1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 28 /* 29 * SATA Framework 30 * Generic SATA Host Adapter Implementation 31 */ 32 33 #include <sys/conf.h> 34 #include <sys/file.h> 35 #include <sys/ddi.h> 36 #include <sys/sunddi.h> 37 #include <sys/modctl.h> 38 #include <sys/cmn_err.h> 39 #include <sys/errno.h> 40 #include <sys/thread.h> 41 #include <sys/kstat.h> 42 #include <sys/note.h> 43 #include <sys/sysevent.h> 44 #include <sys/sysevent/eventdefs.h> 45 #include <sys/sysevent/dr.h> 46 #include <sys/taskq.h> 47 #include <sys/disp.h> 48 49 #include <sys/sata/impl/sata.h> 50 #include <sys/sata/sata_hba.h> 51 #include <sys/sata/sata_defs.h> 52 #include <sys/sata/sata_cfgadm.h> 53 54 /* Debug flags - defined in sata.h */ 55 int sata_debug_flags = 0; 56 int sata_msg = 0; 57 58 /* 59 * Flags enabling selected SATA HBA framework functionality 60 */ 61 #define SATA_ENABLE_QUEUING 1 62 #define SATA_ENABLE_NCQ 2 63 #define SATA_ENABLE_PROCESS_EVENTS 4 64 int sata_func_enable = 65 SATA_ENABLE_PROCESS_EVENTS | SATA_ENABLE_QUEUING | SATA_ENABLE_NCQ; 66 67 /* 68 * Global variable setting default maximum queue depth (NCQ or TCQ) 69 * Note:minimum queue depth is 1 70 */ 71 int sata_max_queue_depth = SATA_MAX_QUEUE_DEPTH; /* max NCQ/TCQ queue depth */ 72 73 /* 74 * Currently used default NCQ/TCQ queue depth. It is set-up during the driver 75 * initialization, using value from sata_max_queue_depth 76 * It is adjusted to minimum supported by the controller and by the device, 77 * if queueing is enabled. 78 */ 79 static int sata_current_max_qdepth; 80 81 /* 82 * Global variable determining the default behavior after device hotpluggin. 83 * If non-zero, the hotplugged device is onlined (if possible) without explicit 84 * IOCTL request (AP_CONFIGURE). 85 * If zero, hotplugged device is identified, but not onlined. 86 * Enabling (AP_CONNECT) device port with an attached device does not result 87 * in device onlining regardless of the flag setting 88 */ 89 int sata_auto_online = 0; 90 91 #ifdef SATA_DEBUG 92 93 #define SATA_LOG_D(args) sata_log args 94 uint64_t mbuf_count = 0; 95 uint64_t mbuffail_count = 0; 96 97 sata_atapi_cmd_t sata_atapi_trace[64]; 98 uint32_t sata_atapi_trace_index = 0; 99 int sata_atapi_trace_save = 1; 100 static void sata_save_atapi_trace(sata_pkt_txlate_t *, int); 101 #define SATAATAPITRACE(spx, count) if (sata_atapi_trace_save) \ 102 sata_save_atapi_trace(spx, count); 103 104 #else 105 #define SATA_LOG_D(arg) 106 #define SATAATAPITRACE(spx, count) 107 #endif 108 109 #if 0 110 static void 111 sata_test_atapi_packet_command(sata_hba_inst_t *, int); 112 #endif 113 114 #ifdef SATA_INJECT_FAULTS 115 116 #define SATA_INJECT_PKT_FAULT 1 117 uint32_t sata_inject_fault = 0; 118 119 uint32_t sata_inject_fault_count = 0; 120 uint32_t sata_inject_fault_pause_count = 0; 121 uint32_t sata_fault_type = 0; 122 uint32_t sata_fault_cmd = 0; 123 dev_info_t *sata_fault_ctrl = NULL; 124 sata_device_t sata_fault_device; 125 126 static void sata_inject_pkt_fault(sata_pkt_t *, int *, int); 127 128 #endif 129 130 #define LEGACY_HWID_LEN 64 /* Model (40) + Serial (20) + pad */ 131 132 static char sata_rev_tag[] = {"1.42"}; 133 134 /* 135 * SATA cb_ops functions 136 */ 137 static int sata_hba_open(dev_t *, int, int, cred_t *); 138 static int sata_hba_close(dev_t, int, int, cred_t *); 139 static int sata_hba_ioctl(dev_t, int, intptr_t, int, cred_t *, int *); 140 141 /* 142 * SCSA required entry points 143 */ 144 static int sata_scsi_tgt_init(dev_info_t *, dev_info_t *, 145 scsi_hba_tran_t *, struct scsi_device *); 146 static int sata_scsi_tgt_probe(struct scsi_device *, 147 int (*callback)(void)); 148 static void sata_scsi_tgt_free(dev_info_t *, dev_info_t *, 149 scsi_hba_tran_t *, struct scsi_device *); 150 static int sata_scsi_start(struct scsi_address *, struct scsi_pkt *); 151 static int sata_scsi_abort(struct scsi_address *, struct scsi_pkt *); 152 static int sata_scsi_reset(struct scsi_address *, int); 153 static int sata_scsi_getcap(struct scsi_address *, char *, int); 154 static int sata_scsi_setcap(struct scsi_address *, char *, int, int); 155 static struct scsi_pkt *sata_scsi_init_pkt(struct scsi_address *, 156 struct scsi_pkt *, struct buf *, int, int, int, int, int (*)(caddr_t), 157 caddr_t); 158 static void sata_scsi_destroy_pkt(struct scsi_address *, struct scsi_pkt *); 159 static void sata_scsi_dmafree(struct scsi_address *, struct scsi_pkt *); 160 static void sata_scsi_sync_pkt(struct scsi_address *, struct scsi_pkt *); 161 162 /* 163 * SATA HBA interface functions are defined in sata_hba.h header file 164 */ 165 166 /* Event processing functions */ 167 static void sata_event_daemon(void *); 168 static void sata_event_thread_control(int); 169 static void sata_process_controller_events(sata_hba_inst_t *sata_hba_inst); 170 static void sata_process_device_reset(sata_hba_inst_t *, sata_address_t *); 171 static void sata_process_port_failed_event(sata_hba_inst_t *, 172 sata_address_t *); 173 static void sata_process_port_link_events(sata_hba_inst_t *, 174 sata_address_t *); 175 static void sata_process_device_detached(sata_hba_inst_t *, sata_address_t *); 176 static void sata_process_device_attached(sata_hba_inst_t *, sata_address_t *); 177 static void sata_process_port_pwr_change(sata_hba_inst_t *, sata_address_t *); 178 static void sata_process_cntrl_pwr_level_change(sata_hba_inst_t *); 179 static void sata_process_target_node_cleanup(sata_hba_inst_t *, 180 sata_address_t *); 181 static void sata_process_device_autoonline(sata_hba_inst_t *, 182 sata_address_t *saddr); 183 184 /* 185 * Local translation functions 186 */ 187 static int sata_txlt_inquiry(sata_pkt_txlate_t *); 188 static int sata_txlt_test_unit_ready(sata_pkt_txlate_t *); 189 static int sata_txlt_start_stop_unit(sata_pkt_txlate_t *); 190 static int sata_txlt_read_capacity(sata_pkt_txlate_t *); 191 static int sata_txlt_request_sense(sata_pkt_txlate_t *); 192 static int sata_txlt_read(sata_pkt_txlate_t *); 193 static int sata_txlt_write(sata_pkt_txlate_t *); 194 static int sata_txlt_log_sense(sata_pkt_txlate_t *); 195 static int sata_txlt_log_select(sata_pkt_txlate_t *); 196 static int sata_txlt_mode_sense(sata_pkt_txlate_t *); 197 static int sata_txlt_mode_select(sata_pkt_txlate_t *); 198 static int sata_txlt_synchronize_cache(sata_pkt_txlate_t *); 199 static int sata_txlt_write_buffer(sata_pkt_txlate_t *); 200 static int sata_txlt_nodata_cmd_immediate(sata_pkt_txlate_t *); 201 202 static int sata_hba_start(sata_pkt_txlate_t *, int *); 203 static int sata_txlt_invalid_command(sata_pkt_txlate_t *); 204 static int sata_txlt_lba_out_of_range(sata_pkt_txlate_t *); 205 static void sata_txlt_rw_completion(sata_pkt_t *); 206 static void sata_txlt_nodata_cmd_completion(sata_pkt_t *); 207 static void sata_txlt_download_mcode_cmd_completion(sata_pkt_t *); 208 static int sata_emul_rw_completion(sata_pkt_txlate_t *); 209 static struct scsi_extended_sense *sata_immediate_error_response( 210 sata_pkt_txlate_t *, int); 211 static struct scsi_extended_sense *sata_arq_sense(sata_pkt_txlate_t *); 212 213 static int sata_txlt_atapi(sata_pkt_txlate_t *); 214 static void sata_txlt_atapi_completion(sata_pkt_t *); 215 216 /* 217 * Local functions for ioctl 218 */ 219 static int32_t sata_get_port_num(sata_hba_inst_t *, struct devctl_iocdata *); 220 static void sata_cfgadm_state(sata_hba_inst_t *, int32_t, 221 devctl_ap_state_t *); 222 static dev_info_t *sata_get_target_dip(dev_info_t *, int32_t); 223 static dev_info_t *sata_get_scsi_target_dip(dev_info_t *, sata_address_t *); 224 static dev_info_t *sata_devt_to_devinfo(dev_t); 225 static int sata_ioctl_connect(sata_hba_inst_t *, sata_device_t *); 226 static int sata_ioctl_disconnect(sata_hba_inst_t *, sata_device_t *); 227 static int sata_ioctl_configure(sata_hba_inst_t *, sata_device_t *); 228 static int sata_ioctl_unconfigure(sata_hba_inst_t *, sata_device_t *); 229 static int sata_ioctl_activate(sata_hba_inst_t *, sata_device_t *); 230 static int sata_ioctl_deactivate(sata_hba_inst_t *, sata_device_t *); 231 static int sata_ioctl_reset_port(sata_hba_inst_t *, sata_device_t *); 232 static int sata_ioctl_reset_device(sata_hba_inst_t *, sata_device_t *); 233 static int sata_ioctl_reset_all(sata_hba_inst_t *); 234 static int sata_ioctl_port_self_test(sata_hba_inst_t *, sata_device_t *); 235 static int sata_ioctl_get_device_path(sata_hba_inst_t *, sata_device_t *, 236 sata_ioctl_data_t *, int mode); 237 static int sata_ioctl_get_ap_type(sata_hba_inst_t *, sata_device_t *, 238 sata_ioctl_data_t *, int mode); 239 static int sata_ioctl_get_model_info(sata_hba_inst_t *, sata_device_t *, 240 sata_ioctl_data_t *, int mode); 241 static int sata_ioctl_get_revfirmware_info(sata_hba_inst_t *, sata_device_t *, 242 sata_ioctl_data_t *, int mode); 243 static int sata_ioctl_get_serialnumber_info(sata_hba_inst_t *, 244 sata_device_t *, sata_ioctl_data_t *, int mode); 245 246 /* 247 * Local functions 248 */ 249 static void sata_remove_hba_instance(dev_info_t *); 250 static int sata_validate_sata_hba_tran(dev_info_t *, sata_hba_tran_t *); 251 static void sata_probe_ports(sata_hba_inst_t *); 252 static int sata_reprobe_port(sata_hba_inst_t *, sata_device_t *, int); 253 static int sata_add_device(dev_info_t *, sata_hba_inst_t *, int cport, 254 int pmport); 255 static dev_info_t *sata_create_target_node(dev_info_t *, sata_hba_inst_t *, 256 sata_address_t *); 257 static int sata_validate_scsi_address(sata_hba_inst_t *, 258 struct scsi_address *, sata_device_t *); 259 static int sata_validate_sata_address(sata_hba_inst_t *, int, int, int); 260 static sata_pkt_t *sata_pkt_alloc(sata_pkt_txlate_t *, int (*)(caddr_t)); 261 static void sata_pkt_free(sata_pkt_txlate_t *); 262 static int sata_dma_buf_setup(sata_pkt_txlate_t *, int, int (*)(caddr_t), 263 caddr_t, ddi_dma_attr_t *); 264 static void sata_common_free_dma_rsrcs(sata_pkt_txlate_t *); 265 static int sata_probe_device(sata_hba_inst_t *, sata_device_t *); 266 static sata_drive_info_t *sata_get_device_info(sata_hba_inst_t *, 267 sata_device_t *); 268 static int sata_identify_device(sata_hba_inst_t *, sata_drive_info_t *); 269 static void sata_reidentify_device(sata_pkt_txlate_t *); 270 static struct buf *sata_alloc_local_buffer(sata_pkt_txlate_t *, int); 271 static void sata_free_local_buffer(sata_pkt_txlate_t *); 272 static uint64_t sata_check_capacity(sata_drive_info_t *); 273 void sata_adjust_dma_attr(sata_drive_info_t *, ddi_dma_attr_t *, 274 ddi_dma_attr_t *); 275 static int sata_fetch_device_identify_data(sata_hba_inst_t *, 276 sata_drive_info_t *); 277 static void sata_update_port_info(sata_hba_inst_t *, sata_device_t *); 278 static void sata_update_port_scr(sata_port_scr_t *, sata_device_t *); 279 static int sata_set_dma_mode(sata_hba_inst_t *, sata_drive_info_t *); 280 static int sata_set_cache_mode(sata_hba_inst_t *, sata_drive_info_t *, int); 281 static int sata_set_rmsn(sata_hba_inst_t *, sata_drive_info_t *, int); 282 static int sata_set_drive_features(sata_hba_inst_t *, 283 sata_drive_info_t *, int flag); 284 static void sata_init_write_cache_mode(sata_drive_info_t *sdinfo); 285 static int sata_initialize_device(sata_hba_inst_t *, sata_drive_info_t *); 286 static void sata_identdev_to_inquiry(sata_hba_inst_t *, sata_drive_info_t *, 287 uint8_t *); 288 static int sata_get_atapi_inquiry_data(sata_hba_inst_t *, sata_address_t *, 289 struct scsi_inquiry *); 290 static int sata_build_msense_page_1(sata_drive_info_t *, int, uint8_t *); 291 static int sata_build_msense_page_8(sata_drive_info_t *, int, uint8_t *); 292 static int sata_build_msense_page_1a(sata_drive_info_t *, int, uint8_t *); 293 static int sata_build_msense_page_1c(sata_drive_info_t *, int, uint8_t *); 294 static int sata_mode_select_page_8(sata_pkt_txlate_t *, 295 struct mode_cache_scsi3 *, int, int *, int *, int *); 296 static int sata_mode_select_page_1c(sata_pkt_txlate_t *, 297 struct mode_info_excpt_page *, int, int *, int *, int *); 298 static int sata_build_msense_page_30(sata_drive_info_t *, int, uint8_t *); 299 static int sata_mode_select_page_30(sata_pkt_txlate_t *, 300 struct mode_acoustic_management *, int, int *, int *, int *); 301 302 static int sata_build_lsense_page_0(sata_drive_info_t *, uint8_t *); 303 static int sata_build_lsense_page_10(sata_drive_info_t *, uint8_t *, 304 sata_hba_inst_t *); 305 static int sata_build_lsense_page_2f(sata_drive_info_t *, uint8_t *, 306 sata_hba_inst_t *); 307 static int sata_build_lsense_page_30(sata_drive_info_t *, uint8_t *, 308 sata_hba_inst_t *); 309 static void sata_save_drive_settings(sata_drive_info_t *); 310 static void sata_show_drive_info(sata_hba_inst_t *, sata_drive_info_t *); 311 static void sata_log(sata_hba_inst_t *, uint_t, char *fmt, ...); 312 static int sata_fetch_smart_return_status(sata_hba_inst_t *, 313 sata_drive_info_t *); 314 static int sata_fetch_smart_data(sata_hba_inst_t *, sata_drive_info_t *, 315 struct smart_data *); 316 static int sata_smart_selftest_log(sata_hba_inst_t *, 317 sata_drive_info_t *, 318 struct smart_selftest_log *); 319 static int sata_ext_smart_selftest_read_log(sata_hba_inst_t *, 320 sata_drive_info_t *, struct smart_ext_selftest_log *, uint16_t); 321 static int sata_smart_read_log(sata_hba_inst_t *, sata_drive_info_t *, 322 uint8_t *, uint8_t, uint8_t); 323 static int sata_read_log_ext_directory(sata_hba_inst_t *, sata_drive_info_t *, 324 struct read_log_ext_directory *); 325 static void sata_gen_sysevent(sata_hba_inst_t *, sata_address_t *, int); 326 static void sata_xlate_errors(sata_pkt_txlate_t *); 327 static void sata_decode_device_error(sata_pkt_txlate_t *, 328 struct scsi_extended_sense *); 329 static void sata_set_device_removed(dev_info_t *); 330 static boolean_t sata_check_device_removed(dev_info_t *); 331 static void sata_set_target_node_cleanup(sata_hba_inst_t *, sata_address_t *); 332 static int sata_ncq_err_ret_cmd_setup(sata_pkt_txlate_t *, 333 sata_drive_info_t *); 334 static int sata_atapi_err_ret_cmd_setup(sata_pkt_txlate_t *, 335 sata_drive_info_t *); 336 static void sata_atapi_packet_cmd_setup(sata_cmd_t *, sata_drive_info_t *); 337 static void sata_fixed_sense_data_preset(struct scsi_extended_sense *); 338 static void sata_target_devid_register(dev_info_t *, sata_drive_info_t *); 339 static int sata_check_modser(char *, int); 340 341 342 343 /* 344 * SATA Framework will ignore SATA HBA driver cb_ops structure and 345 * register following one with SCSA framework. 346 * Open & close are provided, so scsi framework will not use its own 347 */ 348 static struct cb_ops sata_cb_ops = { 349 sata_hba_open, /* open */ 350 sata_hba_close, /* close */ 351 nodev, /* strategy */ 352 nodev, /* print */ 353 nodev, /* dump */ 354 nodev, /* read */ 355 nodev, /* write */ 356 sata_hba_ioctl, /* ioctl */ 357 nodev, /* devmap */ 358 nodev, /* mmap */ 359 nodev, /* segmap */ 360 nochpoll, /* chpoll */ 361 ddi_prop_op, /* cb_prop_op */ 362 0, /* streamtab */ 363 D_NEW | D_MP, /* cb_flag */ 364 CB_REV, /* rev */ 365 nodev, /* aread */ 366 nodev /* awrite */ 367 }; 368 369 370 extern struct mod_ops mod_miscops; 371 extern uchar_t scsi_cdb_size[]; 372 373 static struct modlmisc modlmisc = { 374 &mod_miscops, /* Type of module */ 375 "SATA Module" /* module name */ 376 }; 377 378 379 static struct modlinkage modlinkage = { 380 MODREV_1, 381 (void *)&modlmisc, 382 NULL 383 }; 384 385 /* 386 * Default sata pkt timeout. Used when a target driver scsi_pkt time is zero, 387 * i.e. when scsi_pkt has not timeout specified. 388 */ 389 static int sata_default_pkt_time = 60; /* 60 seconds */ 390 391 /* 392 * Intermediate buffer device access attributes - they are required, 393 * but not necessarily used. 394 */ 395 static ddi_device_acc_attr_t sata_acc_attr = { 396 DDI_DEVICE_ATTR_V0, 397 DDI_STRUCTURE_LE_ACC, 398 DDI_STRICTORDER_ACC 399 }; 400 401 402 /* 403 * Mutexes protecting structures in multithreaded operations. 404 * Because events are relatively rare, a single global mutex protecting 405 * data structures should be sufficient. To increase performance, add 406 * separate mutex per each sata port and use global mutex only to protect 407 * common data structures. 408 */ 409 static kmutex_t sata_mutex; /* protects sata_hba_list */ 410 static kmutex_t sata_log_mutex; /* protects log */ 411 412 static char sata_log_buf[256]; 413 414 /* Default write cache setting for SATA hard disks */ 415 int sata_write_cache = 1; /* enabled */ 416 417 /* Default write cache setting for SATA ATAPI CD/DVD */ 418 int sata_atapicdvd_write_cache = 1; /* enabled */ 419 420 /* Default write cache setting for SATA ATAPI tape */ 421 int sata_atapitape_write_cache = 1; /* enabled */ 422 423 /* Default write cache setting for SATA ATAPI disk */ 424 int sata_atapidisk_write_cache = 1; /* enabled */ 425 426 /* 427 * Linked list of HBA instances 428 */ 429 static sata_hba_inst_t *sata_hba_list = NULL; 430 static sata_hba_inst_t *sata_hba_list_tail = NULL; 431 /* 432 * Pointer to per-instance SATA HBA soft structure is stored in sata_hba_tran 433 * structure and in sata soft state. 434 */ 435 436 /* 437 * Event daemon related variables 438 */ 439 static kmutex_t sata_event_mutex; 440 static kcondvar_t sata_event_cv; 441 static kthread_t *sata_event_thread = NULL; 442 static int sata_event_thread_terminate = 0; 443 static int sata_event_pending = 0; 444 static int sata_event_thread_active = 0; 445 extern pri_t minclsyspri; 446 447 /* 448 * NCQ error recovery command 449 */ 450 static const sata_cmd_t sata_rle_cmd = { 451 SATA_CMD_REV, 452 NULL, 453 { 454 SATA_DIR_READ 455 }, 456 ATA_ADDR_LBA48, 457 0, 458 0, 459 0, 460 0, 461 0, 462 1, 463 READ_LOG_EXT_NCQ_ERROR_RECOVERY, 464 0, 465 0, 466 0, 467 SATAC_READ_LOG_EXT, 468 0, 469 0, 470 0, 471 }; 472 473 /* 474 * ATAPI error recovery CDB 475 */ 476 static const uint8_t sata_rqsense_cdb[SATA_ATAPI_RQSENSE_CDB_LEN] = { 477 SCMD_REQUEST_SENSE, 478 0, /* Only fixed RQ format is supported */ 479 0, 480 0, 481 SATA_ATAPI_MIN_RQSENSE_LEN, /* Less data may be returned */ 482 0 483 }; 484 485 486 /* Warlock directives */ 487 488 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", scsi_hba_tran)) 489 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", scsi_device)) 490 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", dev_ops)) 491 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", scsi_extended_sense)) 492 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", scsi_arq_status)) 493 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", ddi_dma_attr)) 494 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", ddi_dma_cookie_t)) 495 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", devctl_ap_state)) 496 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", dev_info::devi_state)) 497 _NOTE(MUTEX_PROTECTS_DATA(sata_mutex, sata_hba_list)) 498 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_hba_list)) 499 _NOTE(MUTEX_PROTECTS_DATA(sata_mutex, sata_hba_inst::satahba_next)) 500 _NOTE(MUTEX_PROTECTS_DATA(sata_mutex, sata_hba_inst::satahba_prev)) 501 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", \ 502 sata_hba_inst::satahba_scsi_tran)) 503 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", sata_hba_inst::satahba_tran)) 504 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", sata_hba_inst::satahba_dip)) 505 _NOTE(SCHEME_PROTECTS_DATA("Scheme", sata_hba_inst::satahba_attached)) 506 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_hba_inst::satahba_dev_port)) 507 _NOTE(MUTEX_PROTECTS_DATA(sata_hba_inst::satahba_mutex, 508 sata_hba_inst::satahba_event_flags)) 509 _NOTE(MUTEX_PROTECTS_DATA(sata_cport_info::cport_mutex, \ 510 sata_cport_info::cport_devp)) 511 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_cport_info::cport_devp)) 512 _NOTE(SCHEME_PROTECTS_DATA("Scheme", sata_cport_info::cport_addr)) 513 _NOTE(MUTEX_PROTECTS_DATA(sata_cport_info::cport_mutex, \ 514 sata_cport_info::cport_dev_type)) 515 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_cport_info::cport_dev_type)) 516 _NOTE(MUTEX_PROTECTS_DATA(sata_cport_info::cport_mutex, \ 517 sata_cport_info::cport_state)) 518 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_cport_info::cport_state)) 519 _NOTE(MUTEX_PROTECTS_DATA(sata_cport_info::cport_mutex, \ 520 sata_pmport_info::pmport_state)) 521 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmport_info::pmport_state)) 522 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmport_info::pmport_dev_type)) 523 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmport_info::pmport_sata_drive)) 524 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmult_info::pmult_dev_port)) 525 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmult_info::pmult_num_dev_ports)) 526 #ifdef SATA_DEBUG 527 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", mbuf_count)) 528 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", mbuffail_count)) 529 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", sata_atapi_trace)) 530 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", sata_atapi_trace_index)) 531 #endif 532 533 /* End of warlock directives */ 534 535 /* ************** loadable module configuration functions ************** */ 536 537 int 538 _init() 539 { 540 int rval; 541 542 mutex_init(&sata_mutex, NULL, MUTEX_DRIVER, NULL); 543 mutex_init(&sata_event_mutex, NULL, MUTEX_DRIVER, NULL); 544 mutex_init(&sata_log_mutex, NULL, MUTEX_DRIVER, NULL); 545 cv_init(&sata_event_cv, NULL, CV_DRIVER, NULL); 546 if ((rval = mod_install(&modlinkage)) != 0) { 547 #ifdef SATA_DEBUG 548 cmn_err(CE_WARN, "sata: _init: mod_install failed\n"); 549 #endif 550 mutex_destroy(&sata_log_mutex); 551 cv_destroy(&sata_event_cv); 552 mutex_destroy(&sata_event_mutex); 553 mutex_destroy(&sata_mutex); 554 } 555 return (rval); 556 } 557 558 int 559 _fini() 560 { 561 int rval; 562 563 if ((rval = mod_remove(&modlinkage)) != 0) 564 return (rval); 565 566 mutex_destroy(&sata_log_mutex); 567 cv_destroy(&sata_event_cv); 568 mutex_destroy(&sata_event_mutex); 569 mutex_destroy(&sata_mutex); 570 return (rval); 571 } 572 573 int 574 _info(struct modinfo *modinfop) 575 { 576 return (mod_info(&modlinkage, modinfop)); 577 } 578 579 580 581 /* ********************* SATA HBA entry points ********************* */ 582 583 584 /* 585 * Called by SATA HBA from _init(). 586 * Registers HBA driver instance/sata framework pair with scsi framework, by 587 * calling scsi_hba_init(). 588 * 589 * SATA HBA driver cb_ops are ignored - SATA HBA framework cb_ops are used 590 * instead. SATA HBA framework cb_ops pointer overwrites SATA HBA driver 591 * cb_ops pointer in SATA HBA driver dev_ops structure. 592 * SATA HBA framework cb_ops supplies cb_open cb_close and cb_ioctl vectors. 593 * 594 * Return status of the scsi_hba_init() is returned to a calling SATA HBA 595 * driver. 596 */ 597 int 598 sata_hba_init(struct modlinkage *modlp) 599 { 600 int rval; 601 struct dev_ops *hba_ops; 602 603 SATADBG1(SATA_DBG_HBA_IF, NULL, 604 "sata_hba_init: name %s \n", 605 ((struct modldrv *)(modlp->ml_linkage[0]))->drv_linkinfo); 606 /* 607 * Fill-up cb_ops and dev_ops when necessary 608 */ 609 hba_ops = ((struct modldrv *)(modlp->ml_linkage[0]))->drv_dev_ops; 610 /* 611 * Provide pointer to SATA dev_ops 612 */ 613 hba_ops->devo_cb_ops = &sata_cb_ops; 614 615 /* 616 * Register SATA HBA with SCSI framework 617 */ 618 if ((rval = scsi_hba_init(modlp)) != 0) { 619 SATADBG1(SATA_DBG_HBA_IF, NULL, 620 "sata_hba_init: scsi hba init failed\n", NULL); 621 return (rval); 622 } 623 624 return (0); 625 } 626 627 628 /* HBA attach stages */ 629 #define HBA_ATTACH_STAGE_SATA_HBA_INST 1 630 #define HBA_ATTACH_STAGE_SCSI_ATTACHED 2 631 #define HBA_ATTACH_STAGE_SETUP 4 632 #define HBA_ATTACH_STAGE_LINKED 8 633 634 635 /* 636 * 637 * Called from SATA HBA driver's attach routine to attach an instance of 638 * the HBA. 639 * 640 * For DDI_ATTACH command: 641 * sata_hba_inst structure is allocated here and initialized with pointers to 642 * SATA framework implementation of required scsi tran functions. 643 * The scsi_tran's tran_hba_private field is used by SATA Framework to point 644 * to the soft structure (sata_hba_inst) allocated by SATA framework for 645 * SATA HBA instance related data. 646 * The scsi_tran's tran_hba_private field is used by SATA framework to 647 * store a pointer to per-HBA-instance of sata_hba_inst structure. 648 * The sata_hba_inst structure is cross-linked to scsi tran structure. 649 * Among other info, a pointer to sata_hba_tran structure is stored in 650 * sata_hba_inst. The sata_hba_inst structures for different HBA instances are 651 * linked together into the list, pointed to by sata_hba_list. 652 * On the first HBA instance attach the sata event thread is initialized. 653 * Attachment points are created for all SATA ports of the HBA being attached. 654 * All HBA instance's SATA ports are probed and type of plugged devices is 655 * determined. For each device of a supported type, a target node is created. 656 * 657 * DDI_SUCCESS is returned when attachment process is successful, 658 * DDI_FAILURE is returned otherwise. 659 * 660 * For DDI_RESUME command: 661 * Not implemented at this time (postponed until phase 2 of the development). 662 */ 663 int 664 sata_hba_attach(dev_info_t *dip, sata_hba_tran_t *sata_tran, 665 ddi_attach_cmd_t cmd) 666 { 667 sata_hba_inst_t *sata_hba_inst; 668 scsi_hba_tran_t *scsi_tran = NULL; 669 int hba_attach_state = 0; 670 char taskq_name[MAXPATHLEN]; 671 672 SATADBG3(SATA_DBG_HBA_IF, NULL, 673 "sata_hba_attach: node %s (%s%d)\n", 674 ddi_node_name(dip), ddi_driver_name(dip), 675 ddi_get_instance(dip)); 676 677 if (cmd == DDI_RESUME) { 678 /* 679 * Postponed until phase 2 of the development 680 */ 681 return (DDI_FAILURE); 682 } 683 684 if (cmd != DDI_ATTACH) { 685 return (DDI_FAILURE); 686 } 687 688 /* cmd == DDI_ATTACH */ 689 690 if (sata_validate_sata_hba_tran(dip, sata_tran) != SATA_SUCCESS) { 691 SATA_LOG_D((NULL, CE_WARN, 692 "sata_hba_attach: invalid sata_hba_tran")); 693 return (DDI_FAILURE); 694 } 695 /* 696 * Allocate and initialize SCSI tran structure. 697 * SATA copy of tran_bus_config is provided to create port nodes. 698 */ 699 scsi_tran = scsi_hba_tran_alloc(dip, SCSI_HBA_CANSLEEP); 700 if (scsi_tran == NULL) 701 return (DDI_FAILURE); 702 /* 703 * Allocate soft structure for SATA HBA instance. 704 * There is a separate softstate for each HBA instance. 705 */ 706 sata_hba_inst = kmem_zalloc(sizeof (struct sata_hba_inst), KM_SLEEP); 707 ASSERT(sata_hba_inst != NULL); /* this should not fail */ 708 mutex_init(&sata_hba_inst->satahba_mutex, NULL, MUTEX_DRIVER, NULL); 709 hba_attach_state |= HBA_ATTACH_STAGE_SATA_HBA_INST; 710 711 /* 712 * scsi_trans's tran_hba_private is used by SATA Framework to point to 713 * soft structure allocated by SATA framework for 714 * SATA HBA instance related data. 715 */ 716 scsi_tran->tran_hba_private = sata_hba_inst; 717 scsi_tran->tran_tgt_private = NULL; 718 719 scsi_tran->tran_tgt_init = sata_scsi_tgt_init; 720 scsi_tran->tran_tgt_probe = sata_scsi_tgt_probe; 721 scsi_tran->tran_tgt_free = sata_scsi_tgt_free; 722 723 scsi_tran->tran_start = sata_scsi_start; 724 scsi_tran->tran_reset = sata_scsi_reset; 725 scsi_tran->tran_abort = sata_scsi_abort; 726 scsi_tran->tran_getcap = sata_scsi_getcap; 727 scsi_tran->tran_setcap = sata_scsi_setcap; 728 scsi_tran->tran_init_pkt = sata_scsi_init_pkt; 729 scsi_tran->tran_destroy_pkt = sata_scsi_destroy_pkt; 730 731 scsi_tran->tran_dmafree = sata_scsi_dmafree; 732 scsi_tran->tran_sync_pkt = sata_scsi_sync_pkt; 733 734 scsi_tran->tran_reset_notify = NULL; 735 scsi_tran->tran_get_bus_addr = NULL; 736 scsi_tran->tran_quiesce = NULL; 737 scsi_tran->tran_unquiesce = NULL; 738 scsi_tran->tran_bus_reset = NULL; 739 740 if (scsi_hba_attach_setup(dip, sata_tran->sata_tran_hba_dma_attr, 741 scsi_tran, 0) != DDI_SUCCESS) { 742 #ifdef SATA_DEBUG 743 cmn_err(CE_WARN, "?SATA: %s%d hba scsi attach failed", 744 ddi_driver_name(dip), ddi_get_instance(dip)); 745 #endif 746 goto fail; 747 } 748 hba_attach_state |= HBA_ATTACH_STAGE_SCSI_ATTACHED; 749 750 if (!ddi_prop_exists(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "sata")) { 751 if (ddi_prop_update_int(DDI_DEV_T_NONE, dip, 752 "sata", 1) != DDI_PROP_SUCCESS) { 753 SATA_LOG_D((NULL, CE_WARN, "sata_hba_attach: " 754 "failed to create hba sata prop")); 755 goto fail; 756 } 757 } 758 759 /* 760 * Save pointers in hba instance soft state. 761 */ 762 sata_hba_inst->satahba_scsi_tran = scsi_tran; 763 sata_hba_inst->satahba_tran = sata_tran; 764 sata_hba_inst->satahba_dip = dip; 765 766 /* 767 * Create a task queue to handle emulated commands completion 768 * Use node name, dash, instance number as the queue name. 769 */ 770 taskq_name[0] = '\0'; 771 (void) strlcat(taskq_name, DEVI(dip)->devi_node_name, 772 sizeof (taskq_name)); 773 (void) snprintf(taskq_name + strlen(taskq_name), 774 sizeof (taskq_name) - strlen(taskq_name), 775 "-%d", DEVI(dip)->devi_instance); 776 sata_hba_inst->satahba_taskq = taskq_create(taskq_name, 1, 777 minclsyspri, 1, sata_tran->sata_tran_hba_num_cports * 4, 778 TASKQ_DYNAMIC); 779 780 hba_attach_state |= HBA_ATTACH_STAGE_SETUP; 781 782 /* 783 * Create events thread if not created yet. 784 */ 785 sata_event_thread_control(1); 786 787 /* 788 * Link this hba instance into the list. 789 */ 790 mutex_enter(&sata_mutex); 791 792 if (sata_hba_list == NULL) { 793 /* 794 * The first instance of HBA is attached. 795 * Set current/active default maximum NCQ/TCQ queue depth for 796 * all SATA devices. It is done here and now, to eliminate the 797 * possibility of the dynamic, programatic modification of the 798 * queue depth via global (and public) sata_max_queue_depth 799 * variable (this would require special handling in HBA drivers) 800 */ 801 sata_current_max_qdepth = sata_max_queue_depth; 802 if (sata_current_max_qdepth > 32) 803 sata_current_max_qdepth = 32; 804 else if (sata_current_max_qdepth < 1) 805 sata_current_max_qdepth = 1; 806 } 807 808 sata_hba_inst->satahba_next = NULL; 809 sata_hba_inst->satahba_prev = sata_hba_list_tail; 810 if (sata_hba_list == NULL) { 811 sata_hba_list = sata_hba_inst; 812 } 813 if (sata_hba_list_tail != NULL) { 814 sata_hba_list_tail->satahba_next = sata_hba_inst; 815 } 816 sata_hba_list_tail = sata_hba_inst; 817 mutex_exit(&sata_mutex); 818 hba_attach_state |= HBA_ATTACH_STAGE_LINKED; 819 820 /* 821 * Create SATA HBA devctl minor node for sata_hba_open, close, ioctl 822 * SATA HBA driver should not use its own open/close entry points. 823 * 824 * Make sure that instance number doesn't overflow 825 * when forming minor numbers. 826 */ 827 ASSERT(ddi_get_instance(dip) <= (L_MAXMIN >> INST_MINOR_SHIFT)); 828 if (ddi_create_minor_node(dip, "devctl", S_IFCHR, 829 INST2DEVCTL(ddi_get_instance(dip)), 830 DDI_NT_SATA_NEXUS, 0) != DDI_SUCCESS) { 831 #ifdef SATA_DEBUG 832 cmn_err(CE_WARN, "sata_hba_attach: " 833 "cannot create devctl minor node"); 834 #endif 835 goto fail; 836 } 837 838 839 /* 840 * Set-up kstats here, if necessary. 841 * (postponed until future phase of the development). 842 */ 843 844 /* 845 * Indicate that HBA is attached. This will enable events processing 846 * for this HBA. 847 */ 848 sata_hba_inst->satahba_attached = 1; 849 /* 850 * Probe controller ports. This operation will describe a current 851 * controller/port/multipliers/device configuration and will create 852 * attachment points. 853 * We may end-up with just a controller with no devices attached. 854 * For the ports with a supported device attached, device target nodes 855 * are created and devices are initialized. 856 */ 857 sata_probe_ports(sata_hba_inst); 858 859 return (DDI_SUCCESS); 860 861 fail: 862 if (hba_attach_state & HBA_ATTACH_STAGE_LINKED) { 863 (void) sata_remove_hba_instance(dip); 864 if (sata_hba_list == NULL) 865 sata_event_thread_control(0); 866 } 867 868 if (hba_attach_state & HBA_ATTACH_STAGE_SETUP) { 869 (void) ddi_prop_remove(DDI_DEV_T_ANY, dip, "sata"); 870 taskq_destroy(sata_hba_inst->satahba_taskq); 871 } 872 873 if (hba_attach_state & HBA_ATTACH_STAGE_SCSI_ATTACHED) 874 (void) scsi_hba_detach(dip); 875 876 if (hba_attach_state & HBA_ATTACH_STAGE_SATA_HBA_INST) { 877 mutex_destroy(&sata_hba_inst->satahba_mutex); 878 kmem_free((void *)sata_hba_inst, 879 sizeof (struct sata_hba_inst)); 880 scsi_hba_tran_free(scsi_tran); 881 } 882 883 sata_log(NULL, CE_WARN, "?SATA: %s%d hba attach failed", 884 ddi_driver_name(dip), ddi_get_instance(dip)); 885 886 return (DDI_FAILURE); 887 } 888 889 890 /* 891 * Called by SATA HBA from to detach an instance of the driver. 892 * 893 * For DDI_DETACH command: 894 * Free local structures allocated for SATA HBA instance during 895 * sata_hba_attach processing. 896 * 897 * Returns DDI_SUCCESS when HBA was detached, DDI_FAILURE otherwise. 898 * 899 * For DDI_SUSPEND command: 900 * Not implemented at this time (postponed until phase 2 of the development) 901 * Returnd DDI_SUCCESS. 902 * 903 * When the last HBA instance is detached, the event daemon is terminated. 904 * 905 * NOTE: cport support only, no port multiplier support. 906 */ 907 int 908 sata_hba_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 909 { 910 dev_info_t *tdip; 911 sata_hba_inst_t *sata_hba_inst; 912 scsi_hba_tran_t *scsi_hba_tran; 913 sata_cport_info_t *cportinfo; 914 sata_drive_info_t *sdinfo; 915 int ncport; 916 917 SATADBG3(SATA_DBG_HBA_IF, NULL, "sata_hba_detach: node %s (%s%d)\n", 918 ddi_node_name(dip), ddi_driver_name(dip), ddi_get_instance(dip)); 919 920 switch (cmd) { 921 case DDI_DETACH: 922 923 if ((scsi_hba_tran = ddi_get_driver_private(dip)) == NULL) 924 return (DDI_FAILURE); 925 926 sata_hba_inst = scsi_hba_tran->tran_hba_private; 927 if (sata_hba_inst == NULL) 928 return (DDI_FAILURE); 929 930 if (scsi_hba_detach(dip) == DDI_FAILURE) { 931 sata_hba_inst->satahba_attached = 1; 932 return (DDI_FAILURE); 933 } 934 935 /* 936 * Free all target nodes - at this point 937 * devices should be at least offlined 938 * otherwise scsi_hba_detach() should not be called. 939 */ 940 for (ncport = 0; ncport < SATA_NUM_CPORTS(sata_hba_inst); 941 ncport++) { 942 cportinfo = SATA_CPORT_INFO(sata_hba_inst, ncport); 943 if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { 944 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 945 if (sdinfo != NULL) { 946 tdip = sata_get_target_dip(dip, 947 ncport); 948 if (tdip != NULL) { 949 if (ndi_devi_offline(tdip, 950 NDI_DEVI_REMOVE) != 951 NDI_SUCCESS) { 952 SATA_LOG_D(( 953 sata_hba_inst, 954 CE_WARN, 955 "sata_hba_detach: " 956 "Target node not " 957 "removed !")); 958 return (DDI_FAILURE); 959 } 960 } 961 } 962 } 963 } 964 /* 965 * Disable sata event daemon processing for this HBA 966 */ 967 sata_hba_inst->satahba_attached = 0; 968 969 /* 970 * Remove event daemon thread, if it is last HBA instance. 971 */ 972 973 mutex_enter(&sata_mutex); 974 if (sata_hba_list->satahba_next == NULL) { 975 mutex_exit(&sata_mutex); 976 sata_event_thread_control(0); 977 mutex_enter(&sata_mutex); 978 } 979 mutex_exit(&sata_mutex); 980 981 /* Remove this HBA instance from the HBA list */ 982 sata_remove_hba_instance(dip); 983 984 /* 985 * At this point there should be no target nodes attached. 986 * Detach and destroy device and port info structures. 987 */ 988 for (ncport = 0; ncport < SATA_NUM_CPORTS(sata_hba_inst); 989 ncport++) { 990 cportinfo = SATA_CPORT_INFO(sata_hba_inst, ncport); 991 if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { 992 sdinfo = 993 cportinfo->cport_devp.cport_sata_drive; 994 if (sdinfo != NULL) { 995 /* Release device structure */ 996 kmem_free(sdinfo, 997 sizeof (sata_drive_info_t)); 998 } 999 /* Release cport info */ 1000 mutex_destroy(&cportinfo->cport_mutex); 1001 kmem_free(cportinfo, 1002 sizeof (sata_cport_info_t)); 1003 } 1004 } 1005 1006 scsi_hba_tran_free(sata_hba_inst->satahba_scsi_tran); 1007 1008 (void) ddi_prop_remove(DDI_DEV_T_ANY, dip, "sata"); 1009 1010 taskq_destroy(sata_hba_inst->satahba_taskq); 1011 1012 mutex_destroy(&sata_hba_inst->satahba_mutex); 1013 kmem_free((void *)sata_hba_inst, 1014 sizeof (struct sata_hba_inst)); 1015 1016 return (DDI_SUCCESS); 1017 1018 case DDI_SUSPEND: 1019 /* 1020 * Postponed until phase 2 1021 */ 1022 return (DDI_FAILURE); 1023 1024 default: 1025 return (DDI_FAILURE); 1026 } 1027 } 1028 1029 1030 /* 1031 * Called by an HBA drive from _fini() routine. 1032 * Unregisters SATA HBA instance/SATA framework pair from the scsi framework. 1033 */ 1034 void 1035 sata_hba_fini(struct modlinkage *modlp) 1036 { 1037 SATADBG1(SATA_DBG_HBA_IF, NULL, 1038 "sata_hba_fini: name %s\n", 1039 ((struct modldrv *)(modlp->ml_linkage[0]))->drv_linkinfo); 1040 1041 scsi_hba_fini(modlp); 1042 } 1043 1044 1045 /* 1046 * Default open and close routine for sata_hba framework. 1047 * 1048 */ 1049 /* 1050 * Open devctl node. 1051 * 1052 * Returns: 1053 * 0 if node was open successfully, error code otherwise. 1054 * 1055 * 1056 */ 1057 1058 static int 1059 sata_hba_open(dev_t *devp, int flags, int otyp, cred_t *credp) 1060 { 1061 #ifndef __lock_lint 1062 _NOTE(ARGUNUSED(credp)) 1063 #endif 1064 int rv = 0; 1065 dev_info_t *dip; 1066 scsi_hba_tran_t *scsi_hba_tran; 1067 sata_hba_inst_t *sata_hba_inst; 1068 1069 SATADBG1(SATA_DBG_IOCTL_IF, NULL, "sata_hba_open: entered", NULL); 1070 1071 if (otyp != OTYP_CHR) 1072 return (EINVAL); 1073 1074 dip = sata_devt_to_devinfo(*devp); 1075 if (dip == NULL) 1076 return (ENXIO); 1077 1078 if ((scsi_hba_tran = ddi_get_driver_private(dip)) == NULL) 1079 return (ENXIO); 1080 1081 sata_hba_inst = scsi_hba_tran->tran_hba_private; 1082 if (sata_hba_inst == NULL || sata_hba_inst->satahba_attached == 0) 1083 return (ENXIO); 1084 1085 mutex_enter(&sata_mutex); 1086 if (flags & FEXCL) { 1087 if (sata_hba_inst->satahba_open_flag != 0) { 1088 rv = EBUSY; 1089 } else { 1090 sata_hba_inst->satahba_open_flag = 1091 SATA_DEVCTL_EXOPENED; 1092 } 1093 } else { 1094 if (sata_hba_inst->satahba_open_flag == SATA_DEVCTL_EXOPENED) { 1095 rv = EBUSY; 1096 } else { 1097 sata_hba_inst->satahba_open_flag = 1098 SATA_DEVCTL_SOPENED; 1099 } 1100 } 1101 mutex_exit(&sata_mutex); 1102 1103 return (rv); 1104 } 1105 1106 1107 /* 1108 * Close devctl node. 1109 * Returns: 1110 * 0 if node was closed successfully, error code otherwise. 1111 * 1112 */ 1113 1114 static int 1115 sata_hba_close(dev_t dev, int flag, int otyp, cred_t *credp) 1116 { 1117 #ifndef __lock_lint 1118 _NOTE(ARGUNUSED(credp)) 1119 _NOTE(ARGUNUSED(flag)) 1120 #endif 1121 dev_info_t *dip; 1122 scsi_hba_tran_t *scsi_hba_tran; 1123 sata_hba_inst_t *sata_hba_inst; 1124 1125 SATADBG1(SATA_DBG_IOCTL_IF, NULL, "sata_hba_close: entered", NULL); 1126 1127 if (otyp != OTYP_CHR) 1128 return (EINVAL); 1129 1130 dip = sata_devt_to_devinfo(dev); 1131 if (dip == NULL) 1132 return (ENXIO); 1133 1134 if ((scsi_hba_tran = ddi_get_driver_private(dip)) == NULL) 1135 return (ENXIO); 1136 1137 sata_hba_inst = scsi_hba_tran->tran_hba_private; 1138 if (sata_hba_inst == NULL || sata_hba_inst->satahba_attached == 0) 1139 return (ENXIO); 1140 1141 mutex_enter(&sata_mutex); 1142 sata_hba_inst->satahba_open_flag = 0; 1143 mutex_exit(&sata_mutex); 1144 return (0); 1145 } 1146 1147 1148 1149 /* 1150 * Standard IOCTL commands for SATA hotplugging. 1151 * Implemented DEVCTL_AP commands: 1152 * DEVCTL_AP_CONNECT 1153 * DEVCTL_AP_DISCONNECT 1154 * DEVCTL_AP_CONFIGURE 1155 * DEVCTL_UNCONFIGURE 1156 * DEVCTL_AP_CONTROL 1157 * 1158 * Commands passed to default ndi ioctl handler: 1159 * DEVCTL_DEVICE_GETSTATE 1160 * DEVCTL_DEVICE_ONLINE 1161 * DEVCTL_DEVICE_OFFLINE 1162 * DEVCTL_DEVICE_REMOVE 1163 * DEVCTL_DEVICE_INSERT 1164 * DEVCTL_BUS_GETSTATE 1165 * 1166 * All other cmds are passed to HBA if it provide ioctl handler, or failed 1167 * if not. 1168 * 1169 * Returns: 1170 * 0 if successful, 1171 * error code if operation failed. 1172 * 1173 * NOTE: Port Multiplier is not supported. 1174 * 1175 */ 1176 1177 static int 1178 sata_hba_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, 1179 int *rvalp) 1180 { 1181 #ifndef __lock_lint 1182 _NOTE(ARGUNUSED(credp)) 1183 _NOTE(ARGUNUSED(rvalp)) 1184 #endif 1185 int rv = 0; 1186 int32_t comp_port = -1; 1187 dev_info_t *dip; 1188 devctl_ap_state_t ap_state; 1189 struct devctl_iocdata *dcp = NULL; 1190 scsi_hba_tran_t *scsi_hba_tran; 1191 sata_hba_inst_t *sata_hba_inst; 1192 sata_device_t sata_device; 1193 sata_cport_info_t *cportinfo; 1194 int cport, pmport, qual; 1195 int rval = SATA_SUCCESS; 1196 1197 dip = sata_devt_to_devinfo(dev); 1198 if (dip == NULL) 1199 return (ENXIO); 1200 1201 if ((scsi_hba_tran = ddi_get_driver_private(dip)) == NULL) 1202 return (ENXIO); 1203 1204 sata_hba_inst = scsi_hba_tran->tran_hba_private; 1205 if (sata_hba_inst == NULL) 1206 return (ENXIO); 1207 1208 if (sata_hba_inst->satahba_tran == NULL) 1209 return (ENXIO); 1210 1211 switch (cmd) { 1212 1213 case DEVCTL_DEVICE_GETSTATE: 1214 case DEVCTL_DEVICE_ONLINE: 1215 case DEVCTL_DEVICE_OFFLINE: 1216 case DEVCTL_DEVICE_REMOVE: 1217 case DEVCTL_BUS_GETSTATE: 1218 /* 1219 * There may be more cases that we want to pass to default 1220 * handler rather than fail them. 1221 */ 1222 return (ndi_devctl_ioctl(dip, cmd, arg, mode, 0)); 1223 } 1224 1225 /* read devctl ioctl data */ 1226 if (cmd != DEVCTL_AP_CONTROL) { 1227 if (ndi_dc_allochdl((void *)arg, &dcp) != NDI_SUCCESS) 1228 return (EFAULT); 1229 1230 if ((comp_port = sata_get_port_num(sata_hba_inst, dcp)) == 1231 -1) { 1232 if (dcp) 1233 ndi_dc_freehdl(dcp); 1234 return (EINVAL); 1235 } 1236 1237 cport = SCSI_TO_SATA_CPORT(comp_port); 1238 pmport = SCSI_TO_SATA_PMPORT(comp_port); 1239 /* Only cport is considered now, i.e. SATA_ADDR_CPORT */ 1240 qual = SATA_ADDR_CPORT; 1241 if (sata_validate_sata_address(sata_hba_inst, cport, pmport, 1242 qual) != 0) { 1243 ndi_dc_freehdl(dcp); 1244 return (EINVAL); 1245 } 1246 1247 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 1248 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1249 cport_mutex); 1250 if (cportinfo->cport_event_flags & SATA_EVNT_LOCK_PORT_BUSY) { 1251 /* 1252 * Cannot process ioctl request now. Come back later. 1253 */ 1254 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1255 cport_mutex); 1256 ndi_dc_freehdl(dcp); 1257 return (EBUSY); 1258 } 1259 /* Block event processing for this port */ 1260 cportinfo->cport_event_flags |= SATA_APCTL_LOCK_PORT_BUSY; 1261 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 1262 1263 sata_device.satadev_addr.cport = cport; 1264 sata_device.satadev_addr.pmport = pmport; 1265 sata_device.satadev_addr.qual = qual; 1266 sata_device.satadev_rev = SATA_DEVICE_REV; 1267 } 1268 1269 switch (cmd) { 1270 1271 case DEVCTL_AP_DISCONNECT: 1272 1273 /* 1274 * Normally, cfgadm sata plugin will try to offline 1275 * (unconfigure) device before this request. Nevertheless, 1276 * if a device is still configured, we need to 1277 * attempt to offline and unconfigure device first, and we will 1278 * deactivate the port regardless of the unconfigure 1279 * operation results. 1280 * 1281 */ 1282 rv = sata_ioctl_disconnect(sata_hba_inst, &sata_device); 1283 1284 break; 1285 1286 case DEVCTL_AP_UNCONFIGURE: 1287 1288 /* 1289 * The unconfigure operation uses generic nexus operation to 1290 * offline a device. It leaves a target device node attached. 1291 * and obviously sata_drive_info attached as well, because 1292 * from the hardware point of view nothing has changed. 1293 */ 1294 rv = sata_ioctl_unconfigure(sata_hba_inst, &sata_device); 1295 break; 1296 1297 case DEVCTL_AP_CONNECT: 1298 { 1299 /* 1300 * The sata cfgadm pluging will invoke this operation only if 1301 * port was found in the disconnect state (failed state 1302 * is also treated as the disconnected state). 1303 * If port activation is successful and a device is found 1304 * attached to the port, the initialization sequence is 1305 * executed to probe the port and attach 1306 * a device structure to a port structure. The device is not 1307 * set in configured state (system-wise) by this operation. 1308 */ 1309 1310 rv = sata_ioctl_connect(sata_hba_inst, &sata_device); 1311 1312 break; 1313 } 1314 1315 case DEVCTL_AP_CONFIGURE: 1316 { 1317 /* 1318 * A port may be in an active or shutdown state. 1319 * If port is in a failed state, operation is aborted. 1320 * If a port is in a shutdown state, sata_tran_port_activate() 1321 * is invoked prior to any other operation. 1322 * 1323 * Onlining the device involves creating a new target node. 1324 * If there is an old target node present (belonging to 1325 * previously removed device), the operation is aborted - the 1326 * old node has to be released and removed before configure 1327 * operation is attempted. 1328 */ 1329 1330 rv = sata_ioctl_configure(sata_hba_inst, &sata_device); 1331 1332 break; 1333 } 1334 1335 case DEVCTL_AP_GETSTATE: 1336 1337 sata_cfgadm_state(sata_hba_inst, comp_port, &ap_state); 1338 1339 ap_state.ap_last_change = (time_t)-1; 1340 ap_state.ap_error_code = 0; 1341 ap_state.ap_in_transition = 0; 1342 1343 /* Copy the return AP-state information to the user space */ 1344 if (ndi_dc_return_ap_state(&ap_state, dcp) != NDI_SUCCESS) { 1345 rv = EFAULT; 1346 } 1347 break; 1348 1349 case DEVCTL_AP_CONTROL: 1350 { 1351 /* 1352 * Generic devctl for hardware specific functionality 1353 */ 1354 sata_ioctl_data_t ioc; 1355 1356 ASSERT(dcp == NULL); 1357 1358 /* Copy in user ioctl data first */ 1359 #ifdef _MULTI_DATAMODEL 1360 if (ddi_model_convert_from(mode & FMODELS) == 1361 DDI_MODEL_ILP32) { 1362 1363 sata_ioctl_data_32_t ioc32; 1364 1365 if (ddi_copyin((void *)arg, (void *)&ioc32, 1366 sizeof (ioc32), mode) != 0) { 1367 rv = EFAULT; 1368 break; 1369 } 1370 ioc.cmd = (uint_t)ioc32.cmd; 1371 ioc.port = (uint_t)ioc32.port; 1372 ioc.get_size = (uint_t)ioc32.get_size; 1373 ioc.buf = (caddr_t)(uintptr_t)ioc32.buf; 1374 ioc.bufsiz = (uint_t)ioc32.bufsiz; 1375 ioc.misc_arg = (uint_t)ioc32.misc_arg; 1376 } else 1377 #endif /* _MULTI_DATAMODEL */ 1378 if (ddi_copyin((void *)arg, (void *)&ioc, sizeof (ioc), 1379 mode) != 0) { 1380 return (EFAULT); 1381 } 1382 1383 SATADBG2(SATA_DBG_IOCTL_IF, sata_hba_inst, 1384 "sata_hba_ioctl: DEVCTL_AP_CONTROL " 1385 "cmd 0x%x, port 0x%x", ioc.cmd, ioc.port); 1386 1387 /* 1388 * To avoid BE/LE and 32/64 issues, a get_size always returns 1389 * a 32-bit number. 1390 */ 1391 if (ioc.get_size != 0 && ioc.bufsiz != (sizeof (uint32_t))) { 1392 return (EINVAL); 1393 } 1394 /* validate address */ 1395 cport = SCSI_TO_SATA_CPORT(ioc.port); 1396 pmport = SCSI_TO_SATA_PMPORT(ioc.port); 1397 qual = SCSI_TO_SATA_ADDR_QUAL(ioc.port); 1398 1399 /* Override address qualifier - handle cport only for now */ 1400 qual = SATA_ADDR_CPORT; 1401 1402 if (sata_validate_sata_address(sata_hba_inst, cport, 1403 pmport, qual) != 0) 1404 return (EINVAL); 1405 1406 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 1407 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1408 cport_mutex); 1409 /* Is the port locked by event processing daemon ? */ 1410 if (cportinfo->cport_event_flags & SATA_EVNT_LOCK_PORT_BUSY) { 1411 /* 1412 * Cannot process ioctl request now. Come back later 1413 */ 1414 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1415 cport_mutex); 1416 return (EBUSY); 1417 } 1418 /* Block event processing for this port */ 1419 cportinfo->cport_event_flags |= SATA_APCTL_LOCK_PORT_BUSY; 1420 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 1421 1422 1423 sata_device.satadev_addr.cport = cport; 1424 sata_device.satadev_addr.pmport = pmport; 1425 sata_device.satadev_addr.qual = qual; 1426 sata_device.satadev_rev = SATA_DEVICE_REV; 1427 1428 switch (ioc.cmd) { 1429 1430 case SATA_CFGA_RESET_PORT: 1431 /* 1432 * There is no protection for configured device. 1433 */ 1434 rv = sata_ioctl_reset_port(sata_hba_inst, &sata_device); 1435 break; 1436 1437 case SATA_CFGA_RESET_DEVICE: 1438 /* 1439 * There is no protection for configured device. 1440 */ 1441 rv = sata_ioctl_reset_device(sata_hba_inst, 1442 &sata_device); 1443 break; 1444 1445 case SATA_CFGA_RESET_ALL: 1446 /* 1447 * There is no protection for configured devices. 1448 */ 1449 rv = sata_ioctl_reset_all(sata_hba_inst); 1450 /* 1451 * We return here, because common return is for 1452 * a single port operation - we have already unlocked 1453 * all ports and no dc handle was allocated. 1454 */ 1455 return (rv); 1456 1457 case SATA_CFGA_PORT_DEACTIVATE: 1458 /* 1459 * Arbitrarily unconfigure attached device, if any. 1460 * Even if the unconfigure fails, proceed with the 1461 * port deactivation. 1462 */ 1463 rv = sata_ioctl_deactivate(sata_hba_inst, &sata_device); 1464 1465 break; 1466 1467 case SATA_CFGA_PORT_ACTIVATE: 1468 1469 rv = sata_ioctl_activate(sata_hba_inst, &sata_device); 1470 break; 1471 1472 case SATA_CFGA_PORT_SELF_TEST: 1473 1474 rv = sata_ioctl_port_self_test(sata_hba_inst, 1475 &sata_device); 1476 break; 1477 1478 case SATA_CFGA_GET_DEVICE_PATH: 1479 if (qual == SATA_ADDR_CPORT) 1480 sata_device.satadev_addr.qual = 1481 SATA_ADDR_DCPORT; 1482 else 1483 sata_device.satadev_addr.qual = 1484 SATA_ADDR_DPMPORT; 1485 rv = sata_ioctl_get_device_path(sata_hba_inst, 1486 &sata_device, &ioc, mode); 1487 break; 1488 1489 case SATA_CFGA_GET_AP_TYPE: 1490 1491 rv = sata_ioctl_get_ap_type(sata_hba_inst, 1492 &sata_device, &ioc, mode); 1493 break; 1494 1495 case SATA_CFGA_GET_MODEL_INFO: 1496 1497 rv = sata_ioctl_get_model_info(sata_hba_inst, 1498 &sata_device, &ioc, mode); 1499 break; 1500 1501 case SATA_CFGA_GET_REVFIRMWARE_INFO: 1502 1503 rv = sata_ioctl_get_revfirmware_info(sata_hba_inst, 1504 &sata_device, &ioc, mode); 1505 break; 1506 1507 case SATA_CFGA_GET_SERIALNUMBER_INFO: 1508 1509 rv = sata_ioctl_get_serialnumber_info(sata_hba_inst, 1510 &sata_device, &ioc, mode); 1511 break; 1512 1513 default: 1514 rv = EINVAL; 1515 break; 1516 1517 } /* End of DEVCTL_AP_CONTROL cmd switch */ 1518 1519 break; 1520 } 1521 1522 default: 1523 { 1524 /* 1525 * If we got here, we got an IOCTL that SATA HBA Framework 1526 * does not recognize. Pass ioctl to HBA driver, in case 1527 * it could process it. 1528 */ 1529 sata_hba_tran_t *sata_tran = sata_hba_inst->satahba_tran; 1530 dev_info_t *mydip = SATA_DIP(sata_hba_inst); 1531 1532 SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, 1533 "IOCTL 0x%2x not supported in SATA framework, " 1534 "passthrough to HBA", cmd); 1535 1536 if (sata_tran->sata_tran_ioctl == NULL) { 1537 rv = EINVAL; 1538 break; 1539 } 1540 rval = (*sata_tran->sata_tran_ioctl)(mydip, cmd, arg); 1541 if (rval != 0) { 1542 SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, 1543 "IOCTL 0x%2x failed in HBA", cmd); 1544 rv = rval; 1545 } 1546 break; 1547 } 1548 1549 } /* End of main IOCTL switch */ 1550 1551 if (dcp) { 1552 ndi_dc_freehdl(dcp); 1553 } 1554 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 1555 cportinfo->cport_event_flags &= ~SATA_APCTL_LOCK_PORT_BUSY; 1556 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 1557 1558 return (rv); 1559 } 1560 1561 1562 /* 1563 * Create error retrieval sata packet 1564 * 1565 * A sata packet is allocated and set-up to contain specified error retrieval 1566 * command and appropriate dma-able data buffer. 1567 * No association with any scsi packet is made and no callback routine is 1568 * specified. 1569 * 1570 * Returns a pointer to sata packet upon successfull packet creation. 1571 * Returns NULL, if packet cannot be created. 1572 */ 1573 sata_pkt_t * 1574 sata_get_error_retrieval_pkt(dev_info_t *dip, sata_device_t *sata_device, 1575 int pkt_type) 1576 { 1577 sata_hba_inst_t *sata_hba_inst; 1578 sata_pkt_txlate_t *spx; 1579 sata_pkt_t *spkt; 1580 sata_drive_info_t *sdinfo; 1581 1582 mutex_enter(&sata_mutex); 1583 for (sata_hba_inst = sata_hba_list; sata_hba_inst != NULL; 1584 sata_hba_inst = sata_hba_inst->satahba_next) { 1585 if (SATA_DIP(sata_hba_inst) == dip) 1586 break; 1587 } 1588 mutex_exit(&sata_mutex); 1589 ASSERT(sata_hba_inst != NULL); 1590 1591 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 1592 if (sdinfo == NULL) { 1593 sata_log(sata_hba_inst, CE_WARN, 1594 "sata: error recovery request for non-attached device at " 1595 "cport %d", sata_device->satadev_addr.cport); 1596 return (NULL); 1597 } 1598 1599 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 1600 spx->txlt_sata_hba_inst = sata_hba_inst; 1601 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 1602 spkt = sata_pkt_alloc(spx, NULL); 1603 if (spkt == NULL) { 1604 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 1605 return (NULL); 1606 } 1607 /* address is needed now */ 1608 spkt->satapkt_device.satadev_addr = sata_device->satadev_addr; 1609 1610 switch (pkt_type) { 1611 case SATA_ERR_RETR_PKT_TYPE_NCQ: 1612 if (sata_ncq_err_ret_cmd_setup(spx, sdinfo) == SATA_SUCCESS) 1613 return (spkt); 1614 break; 1615 1616 case SATA_ERR_RETR_PKT_TYPE_ATAPI: 1617 if (sata_atapi_err_ret_cmd_setup(spx, sdinfo) == SATA_SUCCESS) 1618 return (spkt); 1619 break; 1620 1621 default: 1622 break; 1623 } 1624 1625 sata_pkt_free(spx); 1626 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 1627 return (NULL); 1628 1629 } 1630 1631 1632 /* 1633 * Free error retrieval sata packet 1634 * 1635 * Free sata packet and any associated resources allocated previously by 1636 * sata_get_error_retrieval_pkt(). 1637 * 1638 * Void return. 1639 */ 1640 void 1641 sata_free_error_retrieval_pkt(sata_pkt_t *sata_pkt) 1642 { 1643 sata_pkt_txlate_t *spx = 1644 (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; 1645 1646 ASSERT(sata_pkt != NULL); 1647 1648 sata_free_local_buffer(spx); 1649 sata_pkt_free(spx); 1650 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 1651 1652 } 1653 1654 /* 1655 * sata_name_child is for composing the name of the node 1656 * the format of the name is "target,0". 1657 */ 1658 static int 1659 sata_name_child(dev_info_t *dip, char *name, int namelen) 1660 { 1661 int target; 1662 1663 target = ddi_prop_get_int(DDI_DEV_T_ANY, dip, 1664 DDI_PROP_DONTPASS, "target", -1); 1665 if (target == -1) 1666 return (DDI_FAILURE); 1667 (void) snprintf(name, namelen, "%x,0", target); 1668 return (DDI_SUCCESS); 1669 } 1670 1671 1672 1673 /* ****************** SCSA required entry points *********************** */ 1674 1675 /* 1676 * Implementation of scsi tran_tgt_init. 1677 * sata_scsi_tgt_init() initializes scsi_device structure 1678 * 1679 * If successful, DDI_SUCCESS is returned. 1680 * DDI_FAILURE is returned if addressed device does not exist 1681 */ 1682 1683 static int 1684 sata_scsi_tgt_init(dev_info_t *hba_dip, dev_info_t *tgt_dip, 1685 scsi_hba_tran_t *hba_tran, struct scsi_device *sd) 1686 { 1687 #ifndef __lock_lint 1688 _NOTE(ARGUNUSED(hba_dip)) 1689 _NOTE(ARGUNUSED(tgt_dip)) 1690 #endif 1691 sata_device_t sata_device; 1692 sata_drive_info_t *sdinfo; 1693 struct sata_id *sid; 1694 sata_hba_inst_t *sata_hba_inst; 1695 char model[SATA_ID_MODEL_LEN + 1]; 1696 char fw[SATA_ID_FW_LEN + 1]; 1697 char *vid, *pid; 1698 int i; 1699 1700 /* 1701 * Fail tran_tgt_init for .conf stub node 1702 */ 1703 if (ndi_dev_is_persistent_node(tgt_dip) == 0) { 1704 (void) ndi_merge_node(tgt_dip, sata_name_child); 1705 ddi_set_name_addr(tgt_dip, NULL); 1706 return (DDI_FAILURE); 1707 } 1708 1709 sata_hba_inst = (sata_hba_inst_t *)(hba_tran->tran_hba_private); 1710 1711 /* Validate scsi device address */ 1712 if (sata_validate_scsi_address(sata_hba_inst, &sd->sd_address, 1713 &sata_device) != 0) 1714 return (DDI_FAILURE); 1715 1716 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 1717 sata_device.satadev_addr.cport))); 1718 1719 /* sata_device now contains a valid sata address */ 1720 sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); 1721 if (sdinfo == NULL) { 1722 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 1723 sata_device.satadev_addr.cport))); 1724 return (DDI_FAILURE); 1725 } 1726 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 1727 sata_device.satadev_addr.cport))); 1728 1729 /* 1730 * Check if we need to create a legacy devid (i.e cmdk style) for 1731 * the target disks. 1732 * 1733 * HBA devinfo node will have the property "use-cmdk-devid-format" 1734 * if we need to create cmdk-style devid for all the disk devices 1735 * attached to this controller. This property may have been set 1736 * from HBA driver's .conf file or by the HBA driver in its 1737 * attach(9F) function. 1738 */ 1739 if ((sdinfo->satadrv_type == SATA_DTYPE_ATADISK) && 1740 (ddi_getprop(DDI_DEV_T_ANY, hba_dip, DDI_PROP_DONTPASS, 1741 "use-cmdk-devid-format", 0) == 1)) { 1742 /* register a legacy devid for this target node */ 1743 sata_target_devid_register(tgt_dip, sdinfo); 1744 } 1745 1746 1747 /* 1748 * 'Identify Device Data' does not always fit in standard SCSI 1749 * INQUIRY data, so establish INQUIRY_* properties with full-form 1750 * of information. 1751 */ 1752 sid = &sdinfo->satadrv_id; 1753 #ifdef _LITTLE_ENDIAN 1754 swab(sid->ai_model, model, SATA_ID_MODEL_LEN); 1755 swab(sid->ai_fw, fw, SATA_ID_FW_LEN); 1756 #else /* _LITTLE_ENDIAN */ 1757 bcopy(sid->ai_model, model, SATA_ID_MODEL_LEN); 1758 bcopy(sid->ai_fw, fw, SATA_ID_FW_LEN); 1759 #endif /* _LITTLE_ENDIAN */ 1760 model[SATA_ID_MODEL_LEN] = 0; 1761 fw[SATA_ID_FW_LEN] = 0; 1762 1763 /* split model into into vid/pid */ 1764 for (i = 0, pid = model; i < SATA_ID_MODEL_LEN; i++, pid++) 1765 if ((*pid == ' ') || (*pid == '\t')) 1766 break; 1767 if (i < SATA_ID_MODEL_LEN) { 1768 vid = model; 1769 *pid++ = 0; /* terminate vid, establish pid */ 1770 } else { 1771 vid = NULL; /* vid will stay "ATA " */ 1772 pid = model; /* model is all pid */ 1773 } 1774 1775 if (vid) 1776 (void) scsi_hba_prop_update_inqstring(sd, INQUIRY_VENDOR_ID, 1777 vid, strlen(vid)); 1778 if (pid) 1779 (void) scsi_hba_prop_update_inqstring(sd, INQUIRY_PRODUCT_ID, 1780 pid, strlen(pid)); 1781 (void) scsi_hba_prop_update_inqstring(sd, INQUIRY_REVISION_ID, 1782 fw, strlen(fw)); 1783 1784 return (DDI_SUCCESS); 1785 } 1786 1787 /* 1788 * Implementation of scsi tran_tgt_probe. 1789 * Probe target, by calling default scsi routine scsi_hba_probe() 1790 */ 1791 static int 1792 sata_scsi_tgt_probe(struct scsi_device *sd, int (*callback)(void)) 1793 { 1794 sata_hba_inst_t *sata_hba_inst = 1795 (sata_hba_inst_t *)(sd->sd_address.a_hba_tran->tran_hba_private); 1796 int rval; 1797 1798 rval = scsi_hba_probe(sd, callback); 1799 1800 if (rval == SCSIPROBE_EXISTS) { 1801 /* 1802 * Set property "pm-capable" on the target device node, so that 1803 * the target driver will not try to fetch scsi cycle counters 1804 * before enabling device power-management. 1805 */ 1806 if ((ddi_prop_update_int(DDI_DEV_T_NONE, sd->sd_dev, 1807 "pm-capable", 1)) != DDI_PROP_SUCCESS) { 1808 sata_log(sata_hba_inst, CE_WARN, 1809 "SATA device at port %d: " 1810 "will not be power-managed ", 1811 SCSI_TO_SATA_CPORT(sd->sd_address.a_target)); 1812 SATA_LOG_D((sata_hba_inst, CE_WARN, 1813 "failure updating pm-capable property")); 1814 } 1815 } 1816 return (rval); 1817 } 1818 1819 /* 1820 * Implementation of scsi tran_tgt_free. 1821 * Release all resources allocated for scsi_device 1822 */ 1823 static void 1824 sata_scsi_tgt_free(dev_info_t *hba_dip, dev_info_t *tgt_dip, 1825 scsi_hba_tran_t *hba_tran, struct scsi_device *sd) 1826 { 1827 #ifndef __lock_lint 1828 _NOTE(ARGUNUSED(hba_dip)) 1829 #endif 1830 sata_device_t sata_device; 1831 sata_drive_info_t *sdinfo; 1832 sata_hba_inst_t *sata_hba_inst; 1833 ddi_devid_t devid; 1834 1835 sata_hba_inst = (sata_hba_inst_t *)(hba_tran->tran_hba_private); 1836 1837 /* Validate scsi device address */ 1838 if (sata_validate_scsi_address(sata_hba_inst, &sd->sd_address, 1839 &sata_device) != 0) 1840 return; 1841 1842 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 1843 sata_device.satadev_addr.cport))); 1844 1845 /* sata_device now should contain a valid sata address */ 1846 sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); 1847 if (sdinfo == NULL) { 1848 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 1849 sata_device.satadev_addr.cport))); 1850 return; 1851 } 1852 /* 1853 * We did not allocate any resources in sata_scsi_tgt_init() 1854 * other than few properties. 1855 * Free them. 1856 */ 1857 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 1858 sata_device.satadev_addr.cport))); 1859 (void) ndi_prop_remove(DDI_DEV_T_NONE, tgt_dip, "pm-capable"); 1860 1861 /* 1862 * If devid was previously created but not freed up from 1863 * sd(7D) driver (i.e during detach(9F)) then do it here. 1864 */ 1865 if ((sdinfo->satadrv_type == SATA_DTYPE_ATADISK) && 1866 (ddi_getprop(DDI_DEV_T_ANY, hba_dip, DDI_PROP_DONTPASS, 1867 "use-cmdk-devid-format", 0) == 1) && 1868 (ddi_devid_get(tgt_dip, &devid) == DDI_SUCCESS)) { 1869 ddi_devid_unregister(tgt_dip); 1870 ddi_devid_free(devid); 1871 } 1872 } 1873 1874 /* 1875 * Implementation of scsi tran_init_pkt 1876 * Upon successful return, scsi pkt buffer has DMA resources allocated. 1877 * 1878 * It seems that we should always allocate pkt, even if the address is 1879 * for non-existing device - just use some default for dma_attr. 1880 * The reason is that there is no way to communicate this to a caller here. 1881 * Subsequent call to sata_scsi_start may fail appropriately. 1882 * Simply returning NULL does not seem to discourage a target driver... 1883 * 1884 * Returns a pointer to initialized scsi_pkt, or NULL otherwise. 1885 */ 1886 static struct scsi_pkt * 1887 sata_scsi_init_pkt(struct scsi_address *ap, struct scsi_pkt *pkt, 1888 struct buf *bp, int cmdlen, int statuslen, int tgtlen, int flags, 1889 int (*callback)(caddr_t), caddr_t arg) 1890 { 1891 sata_hba_inst_t *sata_hba_inst = 1892 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 1893 dev_info_t *dip = SATA_DIP(sata_hba_inst); 1894 sata_device_t sata_device; 1895 sata_drive_info_t *sdinfo; 1896 sata_pkt_txlate_t *spx; 1897 ddi_dma_attr_t cur_dma_attr; 1898 int rval; 1899 boolean_t new_pkt = TRUE; 1900 1901 ASSERT(ap->a_hba_tran->tran_hba_dip == dip); 1902 1903 /* 1904 * We need to translate the address, even if it could be 1905 * a bogus one, for a non-existing device 1906 */ 1907 sata_device.satadev_addr.qual = SCSI_TO_SATA_ADDR_QUAL(ap->a_target); 1908 sata_device.satadev_addr.cport = SCSI_TO_SATA_CPORT(ap->a_target); 1909 sata_device.satadev_addr.pmport = SCSI_TO_SATA_PMPORT(ap->a_target); 1910 sata_device.satadev_rev = SATA_DEVICE_REV; 1911 1912 if (pkt == NULL) { 1913 /* 1914 * Have to allocate a brand new scsi packet. 1915 * We need to operate with auto request sense enabled. 1916 */ 1917 pkt = scsi_hba_pkt_alloc(dip, ap, cmdlen, 1918 MAX(statuslen, sizeof (struct scsi_arq_status)), 1919 tgtlen, sizeof (sata_pkt_txlate_t), callback, arg); 1920 1921 if (pkt == NULL) 1922 return (NULL); 1923 1924 /* Fill scsi packet structure */ 1925 pkt->pkt_comp = (void (*)())NULL; 1926 pkt->pkt_time = 0; 1927 pkt->pkt_resid = 0; 1928 pkt->pkt_statistics = 0; 1929 pkt->pkt_reason = 0; 1930 1931 /* 1932 * pkt_hba_private will point to sata pkt txlate structure 1933 */ 1934 spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 1935 bzero(spx, sizeof (sata_pkt_txlate_t)); 1936 1937 spx->txlt_scsi_pkt = pkt; 1938 spx->txlt_sata_hba_inst = sata_hba_inst; 1939 1940 /* Allocate sata_pkt */ 1941 spx->txlt_sata_pkt = sata_pkt_alloc(spx, callback); 1942 if (spx->txlt_sata_pkt == NULL) { 1943 /* Could not allocate sata pkt */ 1944 scsi_hba_pkt_free(ap, pkt); 1945 return (NULL); 1946 } 1947 /* Set sata address */ 1948 spx->txlt_sata_pkt->satapkt_device.satadev_addr = 1949 sata_device.satadev_addr; 1950 spx->txlt_sata_pkt->satapkt_device.satadev_rev = 1951 sata_device.satadev_rev; 1952 1953 if ((bp == NULL) || (bp->b_bcount == 0)) 1954 return (pkt); 1955 1956 spx->txlt_total_residue = bp->b_bcount; 1957 } else { 1958 new_pkt = FALSE; 1959 /* 1960 * Packet was preallocated/initialized by previous call 1961 */ 1962 spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 1963 1964 if ((bp == NULL) || (bp->b_bcount == 0)) { 1965 return (pkt); 1966 } 1967 1968 /* Pkt is available already: spx->txlt_scsi_pkt == pkt; */ 1969 } 1970 1971 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = bp; 1972 1973 /* 1974 * We use an adjusted version of the dma_attr, to account 1975 * for device addressing limitations. 1976 * sata_adjust_dma_attr() will handle sdinfo == NULL which may 1977 * happen when a device is not yet configured. 1978 */ 1979 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 1980 sata_device.satadev_addr.cport))); 1981 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 1982 &spx->txlt_sata_pkt->satapkt_device); 1983 /* NULL sdinfo may be passsed to sata_adjust_dma_attr() */ 1984 sata_adjust_dma_attr(sdinfo, 1985 SATA_DMA_ATTR(spx->txlt_sata_hba_inst), &cur_dma_attr); 1986 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 1987 sata_device.satadev_addr.cport))); 1988 /* 1989 * Allocate necessary DMA resources for the packet's data buffer 1990 * NOTE: 1991 * In case of read/write commands, DMA resource allocation here is 1992 * based on the premise that the transfer length specified in 1993 * the read/write scsi cdb will match exactly DMA resources - 1994 * returning correct packet residue is crucial. 1995 */ 1996 if ((rval = sata_dma_buf_setup(spx, flags, callback, arg, 1997 &cur_dma_attr)) != DDI_SUCCESS) { 1998 /* 1999 * If a DMA allocation request fails with 2000 * DDI_DMA_NOMAPPING, indicate the error by calling 2001 * bioerror(9F) with bp and an error code of EFAULT. 2002 * If a DMA allocation request fails with 2003 * DDI_DMA_TOOBIG, indicate the error by calling 2004 * bioerror(9F) with bp and an error code of EINVAL. 2005 * For DDI_DMA_NORESOURCES, we may have some of them allocated. 2006 * Request may be repeated later - there is no real error. 2007 */ 2008 switch (rval) { 2009 case DDI_DMA_NORESOURCES: 2010 bioerror(bp, 0); 2011 break; 2012 case DDI_DMA_NOMAPPING: 2013 case DDI_DMA_BADATTR: 2014 bioerror(bp, EFAULT); 2015 break; 2016 case DDI_DMA_TOOBIG: 2017 default: 2018 bioerror(bp, EINVAL); 2019 break; 2020 } 2021 if (new_pkt == TRUE) { 2022 /* 2023 * Since this is a new packet, we can clean-up 2024 * everything 2025 */ 2026 sata_scsi_destroy_pkt(ap, pkt); 2027 } else { 2028 /* 2029 * This is a re-used packet. It will be target driver's 2030 * responsibility to eventually destroy it (which 2031 * will free allocated resources). 2032 * Here, we just "complete" the request, leaving 2033 * allocated resources intact, so the request may 2034 * be retried. 2035 */ 2036 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; 2037 sata_pkt_free(spx); 2038 } 2039 return (NULL); 2040 } 2041 /* Set number of bytes that are not yet accounted for */ 2042 pkt->pkt_resid = spx->txlt_total_residue; 2043 ASSERT(pkt->pkt_resid >= 0); 2044 2045 return (pkt); 2046 } 2047 2048 /* 2049 * Implementation of scsi tran_start. 2050 * Translate scsi cmd into sata operation and return status. 2051 * ATAPI CDBs are passed to ATAPI devices - the device determines what commands 2052 * are supported. 2053 * For SATA hard disks, supported scsi commands: 2054 * SCMD_INQUIRY 2055 * SCMD_TEST_UNIT_READY 2056 * SCMD_START_STOP 2057 * SCMD_READ_CAPACITY 2058 * SCMD_REQUEST_SENSE 2059 * SCMD_LOG_SENSE_G1 2060 * SCMD_LOG_SELECT_G1 2061 * SCMD_MODE_SENSE (specific pages) 2062 * SCMD_MODE_SENSE_G1 (specific pages) 2063 * SCMD_MODE_SELECT (specific pages) 2064 * SCMD_MODE_SELECT_G1 (specific pages) 2065 * SCMD_SYNCHRONIZE_CACHE 2066 * SCMD_SYNCHRONIZE_CACHE_G1 2067 * SCMD_READ 2068 * SCMD_READ_G1 2069 * SCMD_READ_G4 2070 * SCMD_READ_G5 2071 * SCMD_WRITE 2072 * SCMD_WRITE_BUFFER 2073 * SCMD_WRITE_G1 2074 * SCMD_WRITE_G4 2075 * SCMD_WRITE_G5 2076 * SCMD_SEEK (noop) 2077 * SCMD_SDIAG 2078 * 2079 * All other commands are rejected as unsupported. 2080 * 2081 * Returns: 2082 * TRAN_ACCEPT if command was executed successfully or accepted by HBA driver 2083 * for execution. TRAN_ACCEPT may be returned also if device was removed but 2084 * a callback could be scheduled. 2085 * TRAN_BADPKT if cmd was directed to invalid address. 2086 * TRAN_FATAL_ERROR is command was rejected due to hardware error, including 2087 * some unspecified error. TRAN_FATAL_ERROR may be also returned if a device 2088 * was removed and there was no callback specified in scsi pkt. 2089 * TRAN_BUSY if command could not be executed becasue HBA driver or SATA 2090 * framework was busy performing some other operation(s). 2091 * 2092 */ 2093 static int 2094 sata_scsi_start(struct scsi_address *ap, struct scsi_pkt *pkt) 2095 { 2096 sata_hba_inst_t *sata_hba_inst = 2097 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 2098 sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 2099 sata_drive_info_t *sdinfo; 2100 struct buf *bp; 2101 int cport; 2102 int rval; 2103 2104 SATADBG1(SATA_DBG_SCSI_IF, sata_hba_inst, 2105 "sata_scsi_start: cmd 0x%02x\n", pkt->pkt_cdbp[0]); 2106 2107 ASSERT(spx != NULL && 2108 spx->txlt_scsi_pkt == pkt && spx->txlt_sata_pkt != NULL); 2109 2110 cport = SCSI_TO_SATA_CPORT(ap->a_target); 2111 2112 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 2113 sdinfo = sata_get_device_info(sata_hba_inst, 2114 &spx->txlt_sata_pkt->satapkt_device); 2115 if (sdinfo == NULL || 2116 SATA_CPORT_INFO(sata_hba_inst, cport)->cport_tgtnode_clean == 2117 B_FALSE || 2118 (sdinfo->satadrv_state & SATA_DSTATE_FAILED) != 0) { 2119 2120 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 2121 pkt->pkt_reason = CMD_DEV_GONE; 2122 /* 2123 * The sd target driver is checking CMD_DEV_GONE pkt_reason 2124 * only in callback function (for normal requests) and 2125 * in the dump code path. 2126 * So, if the callback is available, we need to do 2127 * the callback rather than returning TRAN_FATAL_ERROR here. 2128 */ 2129 if (pkt->pkt_comp != NULL) { 2130 /* scsi callback required */ 2131 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 2132 (task_func_t *)pkt->pkt_comp, 2133 (void *)pkt, TQ_SLEEP) == NULL) 2134 /* Scheduling the callback failed */ 2135 return (TRAN_BUSY); 2136 return (TRAN_ACCEPT); 2137 } 2138 /* No callback available */ 2139 return (TRAN_FATAL_ERROR); 2140 } 2141 2142 if (sdinfo->satadrv_type & SATA_DTYPE_ATAPI) { 2143 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 2144 rval = sata_txlt_atapi(spx); 2145 SATADBG1(SATA_DBG_SCSI_IF, sata_hba_inst, 2146 "sata_scsi_start atapi: rval %d\n", rval); 2147 return (rval); 2148 } 2149 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 2150 2151 /* ATA Disk commands processing starts here */ 2152 2153 bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 2154 2155 switch (pkt->pkt_cdbp[0]) { 2156 2157 case SCMD_INQUIRY: 2158 /* Mapped to identify device */ 2159 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2160 bp_mapin(bp); 2161 rval = sata_txlt_inquiry(spx); 2162 break; 2163 2164 case SCMD_TEST_UNIT_READY: 2165 /* 2166 * SAT "SATA to ATA Translation" doc specifies translation 2167 * to ATA CHECK POWER MODE. 2168 */ 2169 rval = sata_txlt_test_unit_ready(spx); 2170 break; 2171 2172 case SCMD_START_STOP: 2173 /* Mapping depends on the command */ 2174 rval = sata_txlt_start_stop_unit(spx); 2175 break; 2176 2177 case SCMD_READ_CAPACITY: 2178 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2179 bp_mapin(bp); 2180 rval = sata_txlt_read_capacity(spx); 2181 break; 2182 2183 case SCMD_REQUEST_SENSE: 2184 /* 2185 * Always No Sense, since we force ARQ 2186 */ 2187 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2188 bp_mapin(bp); 2189 rval = sata_txlt_request_sense(spx); 2190 break; 2191 2192 case SCMD_LOG_SENSE_G1: 2193 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2194 bp_mapin(bp); 2195 rval = sata_txlt_log_sense(spx); 2196 break; 2197 2198 case SCMD_LOG_SELECT_G1: 2199 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2200 bp_mapin(bp); 2201 rval = sata_txlt_log_select(spx); 2202 break; 2203 2204 case SCMD_MODE_SENSE: 2205 case SCMD_MODE_SENSE_G1: 2206 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2207 bp_mapin(bp); 2208 rval = sata_txlt_mode_sense(spx); 2209 break; 2210 2211 2212 case SCMD_MODE_SELECT: 2213 case SCMD_MODE_SELECT_G1: 2214 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2215 bp_mapin(bp); 2216 rval = sata_txlt_mode_select(spx); 2217 break; 2218 2219 case SCMD_SYNCHRONIZE_CACHE: 2220 case SCMD_SYNCHRONIZE_CACHE_G1: 2221 rval = sata_txlt_synchronize_cache(spx); 2222 break; 2223 2224 case SCMD_READ: 2225 case SCMD_READ_G1: 2226 case SCMD_READ_G4: 2227 case SCMD_READ_G5: 2228 rval = sata_txlt_read(spx); 2229 break; 2230 case SCMD_WRITE_BUFFER: 2231 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2232 bp_mapin(bp); 2233 rval = sata_txlt_write_buffer(spx); 2234 break; 2235 2236 case SCMD_WRITE: 2237 case SCMD_WRITE_G1: 2238 case SCMD_WRITE_G4: 2239 case SCMD_WRITE_G5: 2240 rval = sata_txlt_write(spx); 2241 break; 2242 2243 case SCMD_SEEK: 2244 rval = sata_txlt_nodata_cmd_immediate(spx); 2245 break; 2246 2247 /* Other cases will be filed later */ 2248 /* postponed until phase 2 of the development */ 2249 default: 2250 rval = sata_txlt_invalid_command(spx); 2251 break; 2252 } 2253 2254 SATADBG1(SATA_DBG_SCSI_IF, sata_hba_inst, 2255 "sata_scsi_start: rval %d\n", rval); 2256 2257 return (rval); 2258 } 2259 2260 /* 2261 * Implementation of scsi tran_abort. 2262 * Abort specific pkt or all packets. 2263 * 2264 * Returns 1 if one or more packets were aborted, returns 0 otherwise 2265 * 2266 * May be called from an interrupt level. 2267 */ 2268 static int 2269 sata_scsi_abort(struct scsi_address *ap, struct scsi_pkt *scsi_pkt) 2270 { 2271 sata_hba_inst_t *sata_hba_inst = 2272 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 2273 sata_device_t sata_device; 2274 sata_pkt_t *sata_pkt; 2275 2276 SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, 2277 "sata_scsi_abort: %s at target: 0x%x\n", 2278 scsi_pkt == NULL ? "all packets" : "one pkt", ap->a_target); 2279 2280 /* Validate address */ 2281 if (sata_validate_scsi_address(sata_hba_inst, ap, &sata_device) != 0) 2282 /* Invalid address */ 2283 return (0); 2284 2285 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 2286 sata_device.satadev_addr.cport))); 2287 if (sata_get_device_info(sata_hba_inst, &sata_device) == NULL) { 2288 /* invalid address */ 2289 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2290 sata_device.satadev_addr.cport))); 2291 return (0); 2292 } 2293 if (scsi_pkt == NULL) { 2294 /* 2295 * Abort all packets. 2296 * Although we do not have specific packet, we still need 2297 * dummy packet structure to pass device address to HBA. 2298 * Allocate one, without sleeping. Fail if pkt cannot be 2299 * allocated. 2300 */ 2301 sata_pkt = kmem_zalloc(sizeof (sata_pkt_t), KM_NOSLEEP); 2302 if (sata_pkt == NULL) { 2303 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2304 sata_device.satadev_addr.cport))); 2305 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_pkt_abort: " 2306 "could not allocate sata_pkt")); 2307 return (0); 2308 } 2309 sata_pkt->satapkt_rev = SATA_PKT_REV; 2310 sata_pkt->satapkt_device = sata_device; 2311 sata_pkt->satapkt_device.satadev_rev = SATA_DEVICE_REV; 2312 } else { 2313 if (scsi_pkt->pkt_ha_private == NULL) { 2314 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2315 sata_device.satadev_addr.cport))); 2316 return (0); /* Bad scsi pkt */ 2317 } 2318 /* extract pointer to sata pkt */ 2319 sata_pkt = ((sata_pkt_txlate_t *)scsi_pkt->pkt_ha_private)-> 2320 txlt_sata_pkt; 2321 } 2322 2323 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2324 sata_device.satadev_addr.cport))); 2325 /* Send abort request to HBA */ 2326 if ((*SATA_ABORT_FUNC(sata_hba_inst)) 2327 (SATA_DIP(sata_hba_inst), sata_pkt, 2328 scsi_pkt == NULL ? SATA_ABORT_ALL_PACKETS : SATA_ABORT_PACKET) == 2329 SATA_SUCCESS) { 2330 if (scsi_pkt == NULL) 2331 kmem_free(sata_pkt, sizeof (sata_pkt_t)); 2332 /* Success */ 2333 return (1); 2334 } 2335 /* Else, something did not go right */ 2336 if (scsi_pkt == NULL) 2337 kmem_free(sata_pkt, sizeof (sata_pkt_t)); 2338 /* Failure */ 2339 return (0); 2340 } 2341 2342 2343 /* 2344 * Implementation of scsi tran_reset. 2345 * RESET_ALL request is translated into port reset. 2346 * RESET_TARGET requests is translated into a device reset, 2347 * RESET_LUN request is accepted only for LUN 0 and translated into 2348 * device reset. 2349 * The target reset should cause all HBA active and queued packets to 2350 * be terminated and returned with pkt reason SATA_PKT_RESET prior to 2351 * the return. HBA should report reset event for the device. 2352 * 2353 * Returns 1 upon success, 0 upon failure. 2354 */ 2355 static int 2356 sata_scsi_reset(struct scsi_address *ap, int level) 2357 { 2358 sata_hba_inst_t *sata_hba_inst = 2359 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 2360 sata_device_t sata_device; 2361 int val; 2362 2363 SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, 2364 "sata_scsi_reset: level %d target: 0x%x\n", 2365 level, ap->a_target); 2366 2367 /* Validate address */ 2368 val = sata_validate_scsi_address(sata_hba_inst, ap, &sata_device); 2369 if (val == -1) 2370 /* Invalid address */ 2371 return (0); 2372 2373 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 2374 sata_device.satadev_addr.cport))); 2375 if (sata_get_device_info(sata_hba_inst, &sata_device) == NULL) { 2376 /* invalid address */ 2377 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2378 sata_device.satadev_addr.cport))); 2379 return (0); 2380 } 2381 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2382 sata_device.satadev_addr.cport))); 2383 if (level == RESET_ALL) { 2384 /* port reset - cport only */ 2385 sata_device.satadev_addr.qual = SATA_ADDR_CPORT; 2386 if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst)) 2387 (SATA_DIP(sata_hba_inst), &sata_device) == SATA_SUCCESS) 2388 return (1); 2389 else 2390 return (0); 2391 2392 } else if (val == 0 && 2393 (level == RESET_TARGET || level == RESET_LUN)) { 2394 /* reset device (device attached) */ 2395 if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst)) 2396 (SATA_DIP(sata_hba_inst), &sata_device) == SATA_SUCCESS) 2397 return (1); 2398 else 2399 return (0); 2400 } 2401 return (0); 2402 } 2403 2404 2405 /* 2406 * Implementation of scsi tran_getcap (get transport/device capabilities). 2407 * Supported capabilities for SATA hard disks: 2408 * auto-rqsense (always supported) 2409 * tagged-qing (supported if HBA supports it) 2410 * untagged-qing (could be supported if disk supports it, but because 2411 * caching behavior allowing untagged queuing actually 2412 * results in reduced performance. sd tries to throttle 2413 * back to only 3 outstanding commands, which may 2414 * work for real SCSI disks, but with read ahead 2415 * caching, having more than 1 outstanding command 2416 * results in cache thrashing.) 2417 * sector_size 2418 * dma_max 2419 * interconnect-type (INTERCONNECT_SATA) 2420 * 2421 * Supported capabilities for ATAPI CD/DVD devices: 2422 * auto-rqsense (always supported) 2423 * sector_size 2424 * dma_max 2425 * max-cdb-length 2426 * interconnect-type (INTERCONNECT_SATA) 2427 * 2428 * Supported capabilities for ATAPI TAPE devices: 2429 * auto-rqsense (always supported) 2430 * dma_max 2431 * max-cdb-length 2432 * 2433 * Supported capabilities for SATA ATAPI hard disks: 2434 * auto-rqsense (always supported) 2435 * interconnect-type (INTERCONNECT_SATA) 2436 * max-cdb-length 2437 * 2438 * Request for other capabilities is rejected as unsupported. 2439 * 2440 * Returns supported capability value, or -1 if capability is unsuppported or 2441 * the address is invalid - no device. 2442 */ 2443 2444 static int 2445 sata_scsi_getcap(struct scsi_address *ap, char *cap, int whom) 2446 { 2447 2448 sata_hba_inst_t *sata_hba_inst = 2449 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 2450 sata_device_t sata_device; 2451 sata_drive_info_t *sdinfo; 2452 ddi_dma_attr_t adj_dma_attr; 2453 int rval; 2454 2455 SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, 2456 "sata_scsi_getcap: target: 0x%x, cap: %s\n", 2457 ap->a_target, cap); 2458 2459 /* 2460 * We want to process the capabilities on per port granularity. 2461 * So, we are specifically restricting ourselves to whom != 0 2462 * to exclude the controller wide handling. 2463 */ 2464 if (cap == NULL || whom == 0) 2465 return (-1); 2466 2467 if (sata_validate_scsi_address(sata_hba_inst, ap, &sata_device) != 0) { 2468 /* Invalid address */ 2469 return (-1); 2470 } 2471 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 2472 sata_device.satadev_addr.cport))); 2473 if ((sdinfo = sata_get_device_info(sata_hba_inst, &sata_device)) == 2474 NULL) { 2475 /* invalid address */ 2476 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2477 sata_device.satadev_addr.cport))); 2478 return (-1); 2479 } 2480 2481 switch (scsi_hba_lookup_capstr(cap)) { 2482 case SCSI_CAP_ARQ: 2483 rval = 1; /* ARQ supported, turned on */ 2484 break; 2485 2486 case SCSI_CAP_SECTOR_SIZE: 2487 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) 2488 rval = SATA_DISK_SECTOR_SIZE; /* fixed size */ 2489 else if (sdinfo->satadrv_type == SATA_DTYPE_ATAPICD) 2490 rval = SATA_ATAPI_SECTOR_SIZE; 2491 else rval = -1; 2492 break; 2493 2494 /* 2495 * untagged queuing cause a performance inversion because of 2496 * the way sd operates. Because of this reason we do not 2497 * use it when available. 2498 */ 2499 case SCSI_CAP_UNTAGGED_QING: 2500 if (sdinfo->satadrv_features_enabled & 2501 SATA_DEV_F_E_UNTAGGED_QING) 2502 rval = 1; /* Untagged queuing available */ 2503 else 2504 rval = -1; /* Untagged queuing not available */ 2505 break; 2506 2507 case SCSI_CAP_TAGGED_QING: 2508 if ((sdinfo->satadrv_features_enabled & 2509 SATA_DEV_F_E_TAGGED_QING) && 2510 (sdinfo->satadrv_max_queue_depth > 1)) 2511 rval = 1; /* Tagged queuing available */ 2512 else 2513 rval = -1; /* Tagged queuing not available */ 2514 break; 2515 2516 case SCSI_CAP_DMA_MAX: 2517 sata_adjust_dma_attr(sdinfo, SATA_DMA_ATTR(sata_hba_inst), 2518 &adj_dma_attr); 2519 rval = (int)adj_dma_attr.dma_attr_maxxfer; 2520 /* We rely on the fact that dma_attr_maxxfer < 0x80000000 */ 2521 break; 2522 2523 case SCSI_CAP_INTERCONNECT_TYPE: 2524 rval = INTERCONNECT_SATA; /* SATA interconnect type */ 2525 break; 2526 2527 case SCSI_CAP_CDB_LEN: 2528 if (sdinfo->satadrv_type & SATA_DTYPE_ATAPI) 2529 rval = sdinfo->satadrv_atapi_cdb_len; 2530 else 2531 rval = -1; 2532 break; 2533 2534 default: 2535 rval = -1; 2536 break; 2537 } 2538 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2539 sata_device.satadev_addr.cport))); 2540 return (rval); 2541 } 2542 2543 /* 2544 * Implementation of scsi tran_setcap 2545 * 2546 * Only SCSI_CAP_UNTAGGED_QING and SCSI_CAP_TAGGED_QING are changeable. 2547 * 2548 */ 2549 static int 2550 sata_scsi_setcap(struct scsi_address *ap, char *cap, int value, int whom) 2551 { 2552 sata_hba_inst_t *sata_hba_inst = 2553 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 2554 sata_device_t sata_device; 2555 sata_drive_info_t *sdinfo; 2556 int rval; 2557 2558 SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, 2559 "sata_scsi_setcap: target: 0x%x, cap: %s\n", ap->a_target, cap); 2560 2561 /* 2562 * We want to process the capabilities on per port granularity. 2563 * So, we are specifically restricting ourselves to whom != 0 2564 * to exclude the controller wide handling. 2565 */ 2566 if (cap == NULL || whom == 0) { 2567 return (-1); 2568 } 2569 2570 if (sata_validate_scsi_address(sata_hba_inst, ap, &sata_device) != 0) { 2571 /* Invalid address */ 2572 return (-1); 2573 } 2574 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 2575 sata_device.satadev_addr.cport))); 2576 if ((sdinfo = sata_get_device_info(sata_hba_inst, 2577 &sata_device)) == NULL) { 2578 /* invalid address */ 2579 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2580 sata_device.satadev_addr.cport))); 2581 return (-1); 2582 } 2583 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2584 sata_device.satadev_addr.cport))); 2585 2586 switch (scsi_hba_lookup_capstr(cap)) { 2587 case SCSI_CAP_ARQ: 2588 case SCSI_CAP_SECTOR_SIZE: 2589 case SCSI_CAP_DMA_MAX: 2590 case SCSI_CAP_INTERCONNECT_TYPE: 2591 rval = 0; 2592 break; 2593 case SCSI_CAP_UNTAGGED_QING: 2594 if (SATA_QDEPTH(sata_hba_inst) > 1) { 2595 rval = 1; 2596 if (value == 1) { 2597 sdinfo->satadrv_features_enabled |= 2598 SATA_DEV_F_E_UNTAGGED_QING; 2599 } else if (value == 0) { 2600 sdinfo->satadrv_features_enabled &= 2601 ~SATA_DEV_F_E_UNTAGGED_QING; 2602 } else { 2603 rval = -1; 2604 } 2605 } else { 2606 rval = 0; 2607 } 2608 break; 2609 case SCSI_CAP_TAGGED_QING: 2610 /* This can TCQ or NCQ */ 2611 if (sata_func_enable & SATA_ENABLE_QUEUING && 2612 ((sdinfo->satadrv_features_support & SATA_DEV_F_TCQ && 2613 SATA_FEATURES(sata_hba_inst) & SATA_CTLF_QCMD) || 2614 (sata_func_enable & SATA_ENABLE_NCQ && 2615 sdinfo->satadrv_features_support & SATA_DEV_F_NCQ && 2616 SATA_FEATURES(sata_hba_inst) & SATA_CTLF_NCQ)) && 2617 (sdinfo->satadrv_max_queue_depth > 1)) { 2618 rval = 1; 2619 if (value == 1) { 2620 sdinfo->satadrv_features_enabled |= 2621 SATA_DEV_F_E_TAGGED_QING; 2622 } else if (value == 0) { 2623 sdinfo->satadrv_features_enabled &= 2624 ~SATA_DEV_F_E_TAGGED_QING; 2625 } else { 2626 rval = -1; 2627 } 2628 } else { 2629 rval = 0; 2630 } 2631 break; 2632 default: 2633 rval = -1; 2634 break; 2635 } 2636 return (rval); 2637 } 2638 2639 /* 2640 * Implementations of scsi tran_destroy_pkt. 2641 * Free resources allocated by sata_scsi_init_pkt() 2642 */ 2643 static void 2644 sata_scsi_destroy_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) 2645 { 2646 sata_pkt_txlate_t *spx; 2647 2648 spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 2649 2650 sata_common_free_dma_rsrcs(spx); 2651 2652 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; 2653 sata_pkt_free(spx); 2654 2655 scsi_hba_pkt_free(ap, pkt); 2656 } 2657 2658 /* 2659 * Implementation of scsi tran_dmafree. 2660 * Free DMA resources allocated by sata_scsi_init_pkt() 2661 */ 2662 2663 static void 2664 sata_scsi_dmafree(struct scsi_address *ap, struct scsi_pkt *pkt) 2665 { 2666 #ifndef __lock_lint 2667 _NOTE(ARGUNUSED(ap)) 2668 #endif 2669 sata_pkt_txlate_t *spx; 2670 2671 ASSERT(pkt != NULL); 2672 spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 2673 2674 sata_common_free_dma_rsrcs(spx); 2675 } 2676 2677 /* 2678 * Implementation of scsi tran_sync_pkt. 2679 * 2680 * The assumption below is that pkt is unique - there is no need to check ap 2681 * 2682 * Synchronize DMA buffer and, if the intermediate buffer is used, copy data 2683 * into/from the real buffer. 2684 */ 2685 static void 2686 sata_scsi_sync_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) 2687 { 2688 #ifndef __lock_lint 2689 _NOTE(ARGUNUSED(ap)) 2690 #endif 2691 int rval; 2692 sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 2693 struct buf *bp; 2694 int direction; 2695 2696 ASSERT(spx != NULL); 2697 if (spx->txlt_buf_dma_handle != NULL) { 2698 direction = spx->txlt_sata_pkt-> 2699 satapkt_cmd.satacmd_flags.sata_data_direction; 2700 if (spx->txlt_sata_pkt != NULL && 2701 direction != SATA_DIR_NODATA_XFER) { 2702 if (spx->txlt_tmp_buf != NULL) { 2703 /* Intermediate DMA buffer used */ 2704 bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 2705 2706 if (direction & SATA_DIR_WRITE) { 2707 bcopy(bp->b_un.b_addr, 2708 spx->txlt_tmp_buf, bp->b_bcount); 2709 } 2710 } 2711 /* Sync the buffer for device or for CPU */ 2712 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 2713 (direction & SATA_DIR_WRITE) ? 2714 DDI_DMA_SYNC_FORDEV : DDI_DMA_SYNC_FORCPU); 2715 ASSERT(rval == DDI_SUCCESS); 2716 if (spx->txlt_tmp_buf != NULL && 2717 !(direction & SATA_DIR_WRITE)) { 2718 /* Intermediate DMA buffer used for read */ 2719 bcopy(spx->txlt_tmp_buf, 2720 bp->b_un.b_addr, bp->b_bcount); 2721 } 2722 2723 } 2724 } 2725 } 2726 2727 2728 2729 /* ******************* SATA - SCSI Translation functions **************** */ 2730 /* 2731 * SCSI to SATA pkt and command translation and SATA to SCSI status/error 2732 * translation. 2733 */ 2734 2735 /* 2736 * Checks if a device exists and can be access and translates common 2737 * scsi_pkt data to sata_pkt data. 2738 * 2739 * Returns TRAN_ACCEPT and scsi pkt_reason CMD_CMPLT if device exists and 2740 * sata_pkt was set-up. 2741 * Returns TRAN_ACCEPT and scsi pkt_reason CMD_DEV_GONE if device does not 2742 * exist and pkt_comp callback was scheduled. 2743 * Returns other TRAN_XXXXX values when error occured and command should be 2744 * rejected with the returned TRAN_XXXXX value. 2745 * 2746 * This function should be called with port mutex held. 2747 */ 2748 static int 2749 sata_txlt_generic_pkt_info(sata_pkt_txlate_t *spx, int *reason) 2750 { 2751 sata_drive_info_t *sdinfo; 2752 sata_device_t sata_device; 2753 const struct sata_cmd_flags sata_initial_cmd_flags = { 2754 SATA_DIR_NODATA_XFER, 2755 /* all other values to 0/FALSE */ 2756 }; 2757 /* 2758 * Pkt_reason has to be set if the pkt_comp callback is invoked, 2759 * and that implies TRAN_ACCEPT return value. Any other returned value 2760 * indicates that the scsi packet was not accepted (the reason will not 2761 * be checked by the scsi target driver). 2762 * To make debugging easier, we set pkt_reason to know value here. 2763 * It may be changed later when different completion reason is 2764 * determined. 2765 */ 2766 spx->txlt_scsi_pkt->pkt_reason = CMD_TRAN_ERR; 2767 *reason = CMD_TRAN_ERR; 2768 2769 /* Validate address */ 2770 switch (sata_validate_scsi_address(spx->txlt_sata_hba_inst, 2771 &spx->txlt_scsi_pkt->pkt_address, &sata_device)) { 2772 2773 case -1: 2774 /* Invalid address or invalid device type */ 2775 return (TRAN_BADPKT); 2776 case 1: 2777 /* valid address but no device - it has disappeared ? */ 2778 spx->txlt_scsi_pkt->pkt_reason = CMD_DEV_GONE; 2779 *reason = CMD_DEV_GONE; 2780 /* 2781 * The sd target driver is checking CMD_DEV_GONE pkt_reason 2782 * only in callback function (for normal requests) and 2783 * in the dump code path. 2784 * So, if the callback is available, we need to do 2785 * the callback rather than returning TRAN_FATAL_ERROR here. 2786 */ 2787 if (spx->txlt_scsi_pkt->pkt_comp != NULL) { 2788 /* scsi callback required */ 2789 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 2790 (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, 2791 (void *)spx->txlt_scsi_pkt, 2792 TQ_SLEEP) == NULL) 2793 /* Scheduling the callback failed */ 2794 return (TRAN_BUSY); 2795 2796 return (TRAN_ACCEPT); 2797 } 2798 return (TRAN_FATAL_ERROR); 2799 default: 2800 /* all OK; pkt reason will be overwritten later */ 2801 break; 2802 } 2803 /* 2804 * If in an interrupt context, reject packet if it is to be 2805 * executed in polling mode 2806 */ 2807 if (servicing_interrupt() && 2808 (spx->txlt_scsi_pkt->pkt_flags & FLAG_NOINTR) != 0) { 2809 SATADBG1(SATA_DBG_INTR_CTX, spx->txlt_sata_hba_inst, 2810 "sata_scsi_start: rejecting synchronous command because " 2811 "of interrupt context\n", NULL); 2812 return (TRAN_BUSY); 2813 } 2814 2815 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 2816 &spx->txlt_sata_pkt->satapkt_device); 2817 2818 /* 2819 * If device is in reset condition, reject the packet with 2820 * TRAN_BUSY, unless: 2821 * 1. system is panicking (dumping) 2822 * In such case only one thread is running and there is no way to 2823 * process reset. 2824 * 2. cfgadm operation is is progress (internal APCTL lock is set) 2825 * Some cfgadm operations involve drive commands, so reset condition 2826 * needs to be ignored for IOCTL operations. 2827 */ 2828 if ((sdinfo->satadrv_event_flags & 2829 (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) != 0) { 2830 2831 if (!ddi_in_panic() && 2832 ((SATA_CPORT_EVENT_FLAGS(spx->txlt_sata_hba_inst, 2833 sata_device.satadev_addr.cport) & 2834 SATA_APCTL_LOCK_PORT_BUSY) == 0)) { 2835 spx->txlt_scsi_pkt->pkt_reason = CMD_INCOMPLETE; 2836 *reason = CMD_INCOMPLETE; 2837 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 2838 "sata_scsi_start: rejecting command because " 2839 "of device reset state\n", NULL); 2840 return (TRAN_BUSY); 2841 } 2842 } 2843 2844 /* 2845 * Fix the dev_type in the sata_pkt->satapkt_device. It was not set by 2846 * sata_scsi_pkt_init() because pkt init had to work also with 2847 * non-existing devices. 2848 * Now we know that the packet was set-up for a real device, so its 2849 * type is known. 2850 */ 2851 spx->txlt_sata_pkt->satapkt_device.satadev_type = sdinfo->satadrv_type; 2852 2853 spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags = sata_initial_cmd_flags; 2854 if ((SATA_CPORT_INFO(spx->txlt_sata_hba_inst, 2855 sata_device.satadev_addr.cport)->cport_event_flags & 2856 SATA_APCTL_LOCK_PORT_BUSY) != 0) { 2857 spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags. 2858 sata_ignore_dev_reset = B_TRUE; 2859 } 2860 /* 2861 * At this point the generic translation routine determined that the 2862 * scsi packet should be accepted. Packet completion reason may be 2863 * changed later when a different completion reason is determined. 2864 */ 2865 spx->txlt_scsi_pkt->pkt_reason = CMD_CMPLT; 2866 *reason = CMD_CMPLT; 2867 2868 if ((spx->txlt_scsi_pkt->pkt_flags & FLAG_NOINTR) != 0) { 2869 /* Synchronous execution */ 2870 spx->txlt_sata_pkt->satapkt_op_mode = SATA_OPMODE_SYNCH | 2871 SATA_OPMODE_POLLING; 2872 spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags. 2873 sata_ignore_dev_reset = ddi_in_panic(); 2874 } else { 2875 /* Asynchronous execution */ 2876 spx->txlt_sata_pkt->satapkt_op_mode = SATA_OPMODE_ASYNCH | 2877 SATA_OPMODE_INTERRUPTS; 2878 } 2879 /* Convert queuing information */ 2880 if (spx->txlt_scsi_pkt->pkt_flags & FLAG_STAG) 2881 spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags.sata_queue_stag = 2882 B_TRUE; 2883 else if (spx->txlt_scsi_pkt->pkt_flags & 2884 (FLAG_OTAG | FLAG_HTAG | FLAG_HEAD)) 2885 spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags.sata_queue_otag = 2886 B_TRUE; 2887 2888 /* Always limit pkt time */ 2889 if (spx->txlt_scsi_pkt->pkt_time == 0) 2890 spx->txlt_sata_pkt->satapkt_time = sata_default_pkt_time; 2891 else 2892 /* Pass on scsi_pkt time */ 2893 spx->txlt_sata_pkt->satapkt_time = 2894 spx->txlt_scsi_pkt->pkt_time; 2895 2896 return (TRAN_ACCEPT); 2897 } 2898 2899 2900 /* 2901 * Translate ATA Identify Device data to SCSI Inquiry data. 2902 * This function may be called only for ATA devices. 2903 * This function should not be called for ATAPI devices - they 2904 * respond directly to SCSI Inquiry command. 2905 * 2906 * SATA Identify Device data has to be valid in sata_rive_info. 2907 * Buffer has to accomodate the inquiry length (36 bytes). 2908 * 2909 * This function should be called with a port mutex held. 2910 */ 2911 static void 2912 sata_identdev_to_inquiry(sata_hba_inst_t *sata_hba_inst, 2913 sata_drive_info_t *sdinfo, uint8_t *buf) 2914 { 2915 2916 struct scsi_inquiry *inq = (struct scsi_inquiry *)buf; 2917 struct sata_id *sid = &sdinfo->satadrv_id; 2918 2919 /* Start with a nice clean slate */ 2920 bzero((void *)inq, sizeof (struct scsi_inquiry)); 2921 2922 /* 2923 * Rely on the dev_type for setting paripheral qualifier. 2924 * Assume that DTYPE_RODIRECT applies to CD/DVD R/W devices. 2925 * It could be that DTYPE_OPTICAL could also qualify in the future. 2926 * ATAPI Inquiry may provide more data to the target driver. 2927 */ 2928 inq->inq_dtype = sdinfo->satadrv_type == SATA_DTYPE_ATADISK ? 2929 DTYPE_DIRECT : DTYPE_RODIRECT; /* DTYPE_UNKNOWN; */ 2930 2931 inq->inq_rmb = sid->ai_config & SATA_REM_MEDIA ? 1 : 0; 2932 inq->inq_qual = 0; /* Device type qualifier (obsolete in SCSI3? */ 2933 inq->inq_iso = 0; /* ISO version */ 2934 inq->inq_ecma = 0; /* ECMA version */ 2935 inq->inq_ansi = 3; /* ANSI version - SCSI 3 */ 2936 inq->inq_aenc = 0; /* Async event notification cap. */ 2937 inq->inq_trmiop = 0; /* Supports TERMINATE I/O PROC msg - NO */ 2938 inq->inq_normaca = 0; /* setting NACA bit supported - NO */ 2939 inq->inq_rdf = RDF_SCSI2; /* Response data format- SPC-3 */ 2940 inq->inq_len = 31; /* Additional length */ 2941 inq->inq_dualp = 0; /* dual port device - NO */ 2942 inq->inq_reladdr = 0; /* Supports relative addressing - NO */ 2943 inq->inq_sync = 0; /* Supports synchronous data xfers - NO */ 2944 inq->inq_linked = 0; /* Supports linked commands - NO */ 2945 /* 2946 * Queuing support - controller has to 2947 * support some sort of command queuing. 2948 */ 2949 if (SATA_QDEPTH(sata_hba_inst) > 1) 2950 inq->inq_cmdque = 1; /* Supports command queueing - YES */ 2951 else 2952 inq->inq_cmdque = 0; /* Supports command queueing - NO */ 2953 inq->inq_sftre = 0; /* Supports Soft Reset option - NO ??? */ 2954 inq->inq_wbus32 = 0; /* Supports 32 bit wide data xfers - NO */ 2955 inq->inq_wbus16 = 0; /* Supports 16 bit wide data xfers - NO */ 2956 2957 #ifdef _LITTLE_ENDIAN 2958 /* Swap text fields to match SCSI format */ 2959 bcopy("ATA ", inq->inq_vid, 8); /* Vendor ID */ 2960 swab(sid->ai_model, inq->inq_pid, 16); /* Product ID */ 2961 if (strncmp(&sid->ai_fw[4], " ", 4) == 0) 2962 swab(sid->ai_fw, inq->inq_revision, 4); /* Revision level */ 2963 else 2964 swab(&sid->ai_fw[4], inq->inq_revision, 4); /* Rev. level */ 2965 #else /* _LITTLE_ENDIAN */ 2966 bcopy("ATA ", inq->inq_vid, 8); /* Vendor ID */ 2967 bcopy(sid->ai_model, inq->inq_pid, 16); /* Product ID */ 2968 if (strncmp(&sid->ai_fw[4], " ", 4) == 0) 2969 bcopy(sid->ai_fw, inq->inq_revision, 4); /* Revision level */ 2970 else 2971 bcopy(&sid->ai_fw[4], inq->inq_revision, 4); /* Rev. level */ 2972 #endif /* _LITTLE_ENDIAN */ 2973 } 2974 2975 2976 /* 2977 * Scsi response set up for invalid command (command not supported) 2978 * 2979 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 2980 */ 2981 static int 2982 sata_txlt_invalid_command(sata_pkt_txlate_t *spx) 2983 { 2984 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 2985 struct scsi_extended_sense *sense; 2986 2987 scsipkt->pkt_reason = CMD_CMPLT; 2988 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 2989 STATE_SENT_CMD | STATE_GOT_STATUS; 2990 2991 *scsipkt->pkt_scbp = STATUS_CHECK; 2992 2993 sense = sata_arq_sense(spx); 2994 sense->es_key = KEY_ILLEGAL_REQUEST; 2995 sense->es_add_code = SD_SCSI_ASC_INVALID_COMMAND_CODE; 2996 2997 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 2998 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 2999 3000 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3001 scsipkt->pkt_comp != NULL) 3002 /* scsi callback required */ 3003 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3004 (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, 3005 (void *)spx->txlt_scsi_pkt, 3006 TQ_SLEEP) == NULL) 3007 /* Scheduling the callback failed */ 3008 return (TRAN_BUSY); 3009 return (TRAN_ACCEPT); 3010 } 3011 3012 /* 3013 * Scsi response setup for 3014 * emulated non-data command that requires no action/return data 3015 * 3016 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 3017 */ 3018 static int 3019 sata_txlt_nodata_cmd_immediate(sata_pkt_txlate_t *spx) 3020 { 3021 int rval; 3022 int reason; 3023 3024 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 3025 3026 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 3027 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 3028 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3029 return (rval); 3030 } 3031 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3032 3033 spx->txlt_scsi_pkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3034 STATE_SENT_CMD | STATE_GOT_STATUS; 3035 spx->txlt_scsi_pkt->pkt_reason = CMD_CMPLT; 3036 *(spx->txlt_scsi_pkt->pkt_scbp) = STATUS_GOOD; 3037 3038 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3039 "Scsi_pkt completion reason %x\n", 3040 spx->txlt_scsi_pkt->pkt_reason); 3041 3042 if ((spx->txlt_scsi_pkt->pkt_flags & FLAG_NOINTR) == 0 && 3043 spx->txlt_scsi_pkt->pkt_comp != NULL) 3044 /* scsi callback required */ 3045 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3046 (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, 3047 (void *)spx->txlt_scsi_pkt, 3048 TQ_SLEEP) == NULL) 3049 /* Scheduling the callback failed */ 3050 return (TRAN_BUSY); 3051 return (TRAN_ACCEPT); 3052 } 3053 3054 3055 /* 3056 * SATA translate command: Inquiry / Identify Device 3057 * Use cached Identify Device data for now, rather than issuing actual 3058 * Device Identify cmd request. If device is detached and re-attached, 3059 * asynchromous event processing should fetch and refresh Identify Device 3060 * data. 3061 * Two VPD pages are supported now: 3062 * Vital Product Data page 3063 * Unit Serial Number page 3064 * 3065 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 3066 */ 3067 3068 #define EVPD 1 /* Extended Vital Product Data flag */ 3069 #define CMDDT 2 /* Command Support Data - Obsolete */ 3070 #define INQUIRY_SUP_VPD_PAGE 0 /* Supported VDP Pages Page COde */ 3071 #define INQUIRY_USN_PAGE 0x80 /* Unit Serial Number Page Code */ 3072 #define INQUIRY_DEV_IDENTIFICATION_PAGE 0x83 /* Not needed yet */ 3073 3074 static int 3075 sata_txlt_inquiry(sata_pkt_txlate_t *spx) 3076 { 3077 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3078 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 3079 sata_drive_info_t *sdinfo; 3080 struct scsi_extended_sense *sense; 3081 int count; 3082 uint8_t *p; 3083 int i, j; 3084 uint8_t page_buf[0xff]; /* Max length */ 3085 int rval, reason; 3086 3087 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 3088 3089 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 3090 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 3091 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3092 return (rval); 3093 } 3094 3095 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 3096 &spx->txlt_sata_pkt->satapkt_device); 3097 3098 ASSERT(sdinfo != NULL); 3099 3100 scsipkt->pkt_reason = CMD_CMPLT; 3101 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3102 STATE_SENT_CMD | STATE_GOT_STATUS; 3103 3104 /* Reject not supported request */ 3105 if (scsipkt->pkt_cdbp[1] & CMDDT) { /* No support for this bit */ 3106 *scsipkt->pkt_scbp = STATUS_CHECK; 3107 sense = sata_arq_sense(spx); 3108 sense->es_key = KEY_ILLEGAL_REQUEST; 3109 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 3110 goto done; 3111 } 3112 3113 /* Valid Inquiry request */ 3114 *scsipkt->pkt_scbp = STATUS_GOOD; 3115 3116 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { 3117 3118 /* 3119 * Because it is fully emulated command storing data 3120 * programatically in the specified buffer, release 3121 * preallocated DMA resources before storing data in the buffer, 3122 * so no unwanted DMA sync would take place. 3123 */ 3124 sata_scsi_dmafree(NULL, scsipkt); 3125 3126 if (!(scsipkt->pkt_cdbp[1] & EVPD)) { 3127 /* Standard Inquiry Data request */ 3128 struct scsi_inquiry inq; 3129 unsigned int bufsize; 3130 3131 sata_identdev_to_inquiry(spx->txlt_sata_hba_inst, 3132 sdinfo, (uint8_t *)&inq); 3133 /* Copy no more than requested */ 3134 count = MIN(bp->b_bcount, 3135 sizeof (struct scsi_inquiry)); 3136 bufsize = scsipkt->pkt_cdbp[4]; 3137 bufsize |= scsipkt->pkt_cdbp[3] << 8; 3138 count = MIN(count, bufsize); 3139 bcopy(&inq, bp->b_un.b_addr, count); 3140 3141 scsipkt->pkt_state |= STATE_XFERRED_DATA; 3142 scsipkt->pkt_resid = scsipkt->pkt_cdbp[4] > count ? 3143 bufsize - count : 0; 3144 } else { 3145 /* 3146 * peripheral_qualifier = 0; 3147 * 3148 * We are dealing only with HD and will be 3149 * dealing with CD/DVD devices soon 3150 */ 3151 uint8_t peripheral_device_type = 3152 sdinfo->satadrv_type == SATA_DTYPE_ATADISK ? 3153 DTYPE_DIRECT : DTYPE_RODIRECT; 3154 3155 switch ((uint_t)scsipkt->pkt_cdbp[2]) { 3156 case INQUIRY_SUP_VPD_PAGE: 3157 /* 3158 * Request for suported Vital Product Data 3159 * pages - assuming only 2 page codes 3160 * supported. 3161 */ 3162 page_buf[0] = peripheral_device_type; 3163 page_buf[1] = INQUIRY_SUP_VPD_PAGE; 3164 page_buf[2] = 0; 3165 page_buf[3] = 2; /* page length */ 3166 page_buf[4] = INQUIRY_SUP_VPD_PAGE; 3167 page_buf[5] = INQUIRY_USN_PAGE; 3168 /* Copy no more than requested */ 3169 count = MIN(bp->b_bcount, 6); 3170 bcopy(page_buf, bp->b_un.b_addr, count); 3171 break; 3172 3173 case INQUIRY_USN_PAGE: 3174 /* 3175 * Request for Unit Serial Number page. 3176 * Set-up the page. 3177 */ 3178 page_buf[0] = peripheral_device_type; 3179 page_buf[1] = INQUIRY_USN_PAGE; 3180 page_buf[2] = 0; 3181 /* remaining page length */ 3182 page_buf[3] = SATA_ID_SERIAL_LEN; 3183 3184 /* 3185 * Copy serial number from Identify Device data 3186 * words into the inquiry page and swap bytes 3187 * when necessary. 3188 */ 3189 p = (uint8_t *)(sdinfo->satadrv_id.ai_drvser); 3190 #ifdef _LITTLE_ENDIAN 3191 swab(p, &page_buf[4], SATA_ID_SERIAL_LEN); 3192 #else 3193 bcopy(p, &page_buf[4], SATA_ID_SERIAL_LEN); 3194 #endif 3195 /* 3196 * Least significant character of the serial 3197 * number shall appear as the last byte, 3198 * according to SBC-3 spec. 3199 * Count trailing spaces to determine the 3200 * necessary shift length. 3201 */ 3202 p = &page_buf[SATA_ID_SERIAL_LEN + 4 - 1]; 3203 for (j = 0; j < SATA_ID_SERIAL_LEN; j++) { 3204 if (*(p - j) != '\0' && 3205 *(p - j) != '\040') 3206 break; 3207 } 3208 3209 /* 3210 * Shift SN string right, so that the last 3211 * non-blank character would appear in last 3212 * byte of SN field in the page. 3213 * 'j' is the shift length. 3214 */ 3215 for (i = 0; 3216 i < (SATA_ID_SERIAL_LEN - j) && j != 0; 3217 i++, p--) 3218 *p = *(p - j); 3219 3220 /* 3221 * Add leading spaces - same number as the 3222 * shift size 3223 */ 3224 for (; j > 0; j--) 3225 page_buf[4 + j - 1] = '\040'; 3226 3227 count = MIN(bp->b_bcount, 3228 SATA_ID_SERIAL_LEN + 4); 3229 bcopy(page_buf, bp->b_un.b_addr, count); 3230 break; 3231 3232 case INQUIRY_DEV_IDENTIFICATION_PAGE: 3233 /* 3234 * We may want to implement this page, when 3235 * identifiers are common for SATA devices 3236 * But not now. 3237 */ 3238 /*FALLTHROUGH*/ 3239 3240 default: 3241 /* Request for unsupported VPD page */ 3242 *scsipkt->pkt_scbp = STATUS_CHECK; 3243 sense = sata_arq_sense(spx); 3244 sense->es_key = KEY_ILLEGAL_REQUEST; 3245 sense->es_add_code = 3246 SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 3247 goto done; 3248 } 3249 } 3250 scsipkt->pkt_state |= STATE_XFERRED_DATA; 3251 scsipkt->pkt_resid = scsipkt->pkt_cdbp[4] > count ? 3252 scsipkt->pkt_cdbp[4] - count : 0; 3253 } 3254 done: 3255 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3256 3257 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3258 "Scsi_pkt completion reason %x\n", 3259 scsipkt->pkt_reason); 3260 3261 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3262 scsipkt->pkt_comp != NULL) { 3263 /* scsi callback required */ 3264 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3265 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 3266 TQ_SLEEP) == NULL) 3267 /* Scheduling the callback failed */ 3268 return (TRAN_BUSY); 3269 } 3270 return (TRAN_ACCEPT); 3271 } 3272 3273 /* 3274 * SATA translate command: Request Sense. 3275 * Emulated command (ATA version for SATA hard disks) 3276 * Always NO SENSE, because any sense data should be reported by ARQ sense. 3277 * 3278 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 3279 * 3280 * Note: There is a mismatch between already implemented Informational 3281 * Exception Mode Select page 0x1C and this function. 3282 * When MRIE bit is set in page 0x1C, Request Sense is supposed to return 3283 * NO SENSE and set additional sense code to the exception code - this is not 3284 * implemented here. 3285 */ 3286 static int 3287 sata_txlt_request_sense(sata_pkt_txlate_t *spx) 3288 { 3289 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3290 struct scsi_extended_sense sense; 3291 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 3292 int rval, reason; 3293 3294 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 3295 3296 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 3297 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 3298 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3299 return (rval); 3300 } 3301 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3302 3303 3304 scsipkt->pkt_reason = CMD_CMPLT; 3305 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3306 STATE_SENT_CMD | STATE_GOT_STATUS; 3307 *scsipkt->pkt_scbp = STATUS_GOOD; 3308 3309 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { 3310 /* 3311 * Because it is fully emulated command storing data 3312 * programatically in the specified buffer, release 3313 * preallocated DMA resources before storing data in the buffer, 3314 * so no unwanted DMA sync would take place. 3315 */ 3316 int count = MIN(bp->b_bcount, 3317 sizeof (struct scsi_extended_sense)); 3318 sata_scsi_dmafree(NULL, scsipkt); 3319 bzero(&sense, sizeof (struct scsi_extended_sense)); 3320 sense.es_valid = 0; /* Valid LBA */ 3321 sense.es_class = 7; /* Response code 0x70 - current err */ 3322 sense.es_key = KEY_NO_SENSE; 3323 sense.es_add_len = 6; /* Additional length */ 3324 /* Copy no more than requested */ 3325 bcopy(&sense, bp->b_un.b_addr, count); 3326 scsipkt->pkt_state |= STATE_XFERRED_DATA; 3327 scsipkt->pkt_resid = 0; 3328 } 3329 3330 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3331 "Scsi_pkt completion reason %x\n", 3332 scsipkt->pkt_reason); 3333 3334 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3335 scsipkt->pkt_comp != NULL) 3336 /* scsi callback required */ 3337 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3338 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 3339 TQ_SLEEP) == NULL) 3340 /* Scheduling the callback failed */ 3341 return (TRAN_BUSY); 3342 return (TRAN_ACCEPT); 3343 } 3344 3345 /* 3346 * SATA translate command: Test Unit Ready 3347 * At the moment this is an emulated command (ATA version for SATA hard disks). 3348 * May be translated into Check Power Mode command in the future 3349 * 3350 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 3351 */ 3352 static int 3353 sata_txlt_test_unit_ready(sata_pkt_txlate_t *spx) 3354 { 3355 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3356 struct scsi_extended_sense *sense; 3357 int power_state; 3358 int rval, reason; 3359 3360 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 3361 3362 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 3363 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 3364 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3365 return (rval); 3366 } 3367 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3368 3369 /* At this moment, emulate it rather than execute anything */ 3370 power_state = SATA_PWRMODE_ACTIVE; 3371 3372 scsipkt->pkt_reason = CMD_CMPLT; 3373 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3374 STATE_SENT_CMD | STATE_GOT_STATUS; 3375 3376 switch (power_state) { 3377 case SATA_PWRMODE_ACTIVE: 3378 case SATA_PWRMODE_IDLE: 3379 *scsipkt->pkt_scbp = STATUS_GOOD; 3380 break; 3381 default: 3382 /* PWR mode standby */ 3383 *scsipkt->pkt_scbp = STATUS_CHECK; 3384 sense = sata_arq_sense(spx); 3385 sense->es_key = KEY_NOT_READY; 3386 sense->es_add_code = SD_SCSI_ASC_LU_NOT_READY; 3387 break; 3388 } 3389 3390 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3391 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 3392 3393 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3394 scsipkt->pkt_comp != NULL) 3395 /* scsi callback required */ 3396 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3397 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 3398 TQ_SLEEP) == NULL) 3399 /* Scheduling the callback failed */ 3400 return (TRAN_BUSY); 3401 3402 return (TRAN_ACCEPT); 3403 } 3404 3405 3406 /* 3407 * SATA translate command: Start Stop Unit 3408 * Translation depends on a command: 3409 * Start Unit translated into Idle Immediate 3410 * Stop Unit translated into Standby Immediate 3411 * Unload Media / NOT SUPPORTED YET 3412 * Load Media / NOT SUPPROTED YET 3413 * Power condition bits are ignored, so is Immediate bit 3414 * Requesting synchronous execution. 3415 * 3416 * Returns TRAN_ACCEPT or code returned by sata_hba_start() and 3417 * appropriate values in scsi_pkt fields. 3418 */ 3419 static int 3420 sata_txlt_start_stop_unit(sata_pkt_txlate_t *spx) 3421 { 3422 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3423 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 3424 struct scsi_extended_sense *sense; 3425 sata_hba_inst_t *shi = SATA_TXLT_HBA_INST(spx); 3426 int cport = SATA_TXLT_CPORT(spx); 3427 int rval, reason; 3428 int synch; 3429 3430 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3431 "sata_txlt_start_stop_unit: %d\n", scsipkt->pkt_scbp[4] & 1); 3432 3433 mutex_enter(&SATA_CPORT_MUTEX(shi, cport)); 3434 3435 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 3436 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 3437 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3438 return (rval); 3439 } 3440 3441 if (scsipkt->pkt_cdbp[4] & 2) { 3442 /* Load/Unload Media - invalid request */ 3443 *scsipkt->pkt_scbp = STATUS_CHECK; 3444 sense = sata_arq_sense(spx); 3445 sense->es_key = KEY_ILLEGAL_REQUEST; 3446 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 3447 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3448 3449 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3450 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 3451 3452 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3453 scsipkt->pkt_comp != NULL) 3454 /* scsi callback required */ 3455 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3456 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 3457 TQ_SLEEP) == NULL) 3458 /* Scheduling the callback failed */ 3459 return (TRAN_BUSY); 3460 3461 return (TRAN_ACCEPT); 3462 } 3463 scmd->satacmd_addr_type = 0; 3464 scmd->satacmd_sec_count_lsb = 0; 3465 scmd->satacmd_lba_low_lsb = 0; 3466 scmd->satacmd_lba_mid_lsb = 0; 3467 scmd->satacmd_lba_high_lsb = 0; 3468 scmd->satacmd_features_reg = 0; 3469 scmd->satacmd_device_reg = 0; 3470 scmd->satacmd_status_reg = 0; 3471 if (scsipkt->pkt_cdbp[4] & 1) { 3472 /* Start Unit */ 3473 scmd->satacmd_cmd_reg = SATAC_IDLE_IM; 3474 } else { 3475 /* Stop Unit */ 3476 scmd->satacmd_cmd_reg = SATAC_STANDBY_IM; 3477 } 3478 3479 if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { 3480 /* Need to set-up a callback function */ 3481 spx->txlt_sata_pkt->satapkt_comp = 3482 sata_txlt_nodata_cmd_completion; 3483 synch = FALSE; 3484 } else { 3485 spx->txlt_sata_pkt->satapkt_op_mode = SATA_OPMODE_SYNCH; 3486 synch = TRUE; 3487 } 3488 3489 /* Transfer command to HBA */ 3490 if (sata_hba_start(spx, &rval) != 0) { 3491 /* Pkt not accepted for execution */ 3492 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 3493 return (rval); 3494 } 3495 3496 /* 3497 * If execution is non-synchronous, 3498 * a callback function will handle potential errors, translate 3499 * the response and will do a callback to a target driver. 3500 * If it was synchronous, check execution status using the same 3501 * framework callback. 3502 */ 3503 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 3504 if (synch) { 3505 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3506 "synchronous execution status %x\n", 3507 spx->txlt_sata_pkt->satapkt_reason); 3508 3509 sata_txlt_nodata_cmd_completion(spx->txlt_sata_pkt); 3510 } 3511 return (TRAN_ACCEPT); 3512 3513 } 3514 3515 3516 /* 3517 * SATA translate command: Read Capacity. 3518 * Emulated command for SATA disks. 3519 * Capacity is retrieved from cached Idenifty Device data. 3520 * Identify Device data shows effective disk capacity, not the native 3521 * capacity, which may be limitted by Set Max Address command. 3522 * This is ATA version for SATA hard disks. 3523 * 3524 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 3525 */ 3526 static int 3527 sata_txlt_read_capacity(sata_pkt_txlate_t *spx) 3528 { 3529 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3530 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 3531 sata_drive_info_t *sdinfo; 3532 uint64_t val; 3533 uchar_t *rbuf; 3534 int rval, reason; 3535 3536 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3537 "sata_txlt_read_capacity: ", NULL); 3538 3539 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 3540 3541 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 3542 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 3543 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3544 return (rval); 3545 } 3546 3547 scsipkt->pkt_reason = CMD_CMPLT; 3548 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3549 STATE_SENT_CMD | STATE_GOT_STATUS; 3550 *scsipkt->pkt_scbp = STATUS_GOOD; 3551 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { 3552 /* 3553 * Because it is fully emulated command storing data 3554 * programatically in the specified buffer, release 3555 * preallocated DMA resources before storing data in the buffer, 3556 * so no unwanted DMA sync would take place. 3557 */ 3558 sata_scsi_dmafree(NULL, scsipkt); 3559 3560 sdinfo = sata_get_device_info( 3561 spx->txlt_sata_hba_inst, 3562 &spx->txlt_sata_pkt->satapkt_device); 3563 /* Last logical block address */ 3564 val = sdinfo->satadrv_capacity - 1; 3565 rbuf = (uchar_t *)bp->b_un.b_addr; 3566 /* Need to swap endians to match scsi format */ 3567 rbuf[0] = (val >> 24) & 0xff; 3568 rbuf[1] = (val >> 16) & 0xff; 3569 rbuf[2] = (val >> 8) & 0xff; 3570 rbuf[3] = val & 0xff; 3571 /* block size - always 512 bytes, for now */ 3572 rbuf[4] = 0; 3573 rbuf[5] = 0; 3574 rbuf[6] = 0x02; 3575 rbuf[7] = 0; 3576 scsipkt->pkt_state |= STATE_XFERRED_DATA; 3577 scsipkt->pkt_resid = 0; 3578 3579 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "%d\n", 3580 sdinfo->satadrv_capacity -1); 3581 } 3582 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3583 /* 3584 * If a callback was requested, do it now. 3585 */ 3586 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3587 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 3588 3589 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3590 scsipkt->pkt_comp != NULL) 3591 /* scsi callback required */ 3592 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3593 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 3594 TQ_SLEEP) == NULL) 3595 /* Scheduling the callback failed */ 3596 return (TRAN_BUSY); 3597 3598 return (TRAN_ACCEPT); 3599 } 3600 3601 /* 3602 * SATA translate command: Mode Sense. 3603 * Translated into appropriate SATA command or emulated. 3604 * Saved Values Page Control (03) are not supported. 3605 * 3606 * NOTE: only caching mode sense page is currently implemented. 3607 * 3608 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 3609 */ 3610 3611 static int 3612 sata_txlt_mode_sense(sata_pkt_txlate_t *spx) 3613 { 3614 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3615 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 3616 sata_drive_info_t *sdinfo; 3617 sata_id_t *sata_id; 3618 struct scsi_extended_sense *sense; 3619 int len, bdlen, count, alc_len; 3620 int pc; /* Page Control code */ 3621 uint8_t *buf; /* mode sense buffer */ 3622 int rval, reason; 3623 3624 SATADBG2(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3625 "sata_txlt_mode_sense, pc %x page code 0x%02x\n", 3626 spx->txlt_scsi_pkt->pkt_cdbp[2] >> 6, 3627 spx->txlt_scsi_pkt->pkt_cdbp[2] & 0x3f); 3628 3629 buf = kmem_zalloc(1024, KM_SLEEP); 3630 3631 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 3632 3633 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 3634 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 3635 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3636 kmem_free(buf, 1024); 3637 return (rval); 3638 } 3639 3640 scsipkt->pkt_reason = CMD_CMPLT; 3641 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3642 STATE_SENT_CMD | STATE_GOT_STATUS; 3643 3644 pc = scsipkt->pkt_cdbp[2] >> 6; 3645 3646 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { 3647 /* 3648 * Because it is fully emulated command storing data 3649 * programatically in the specified buffer, release 3650 * preallocated DMA resources before storing data in the buffer, 3651 * so no unwanted DMA sync would take place. 3652 */ 3653 sata_scsi_dmafree(NULL, scsipkt); 3654 3655 len = 0; 3656 bdlen = 0; 3657 if (!(scsipkt->pkt_cdbp[1] & 8)) { 3658 if (scsipkt->pkt_cdbp[0] == SCMD_MODE_SENSE_G1 && 3659 (scsipkt->pkt_cdbp[0] & 0x10)) 3660 bdlen = 16; 3661 else 3662 bdlen = 8; 3663 } 3664 /* Build mode parameter header */ 3665 if (spx->txlt_scsi_pkt->pkt_cdbp[0] == SCMD_MODE_SENSE) { 3666 /* 4-byte mode parameter header */ 3667 buf[len++] = 0; /* mode data length */ 3668 buf[len++] = 0; /* medium type */ 3669 buf[len++] = 0; /* dev-specific param */ 3670 buf[len++] = bdlen; /* Block Descriptor length */ 3671 } else { 3672 /* 8-byte mode parameter header */ 3673 buf[len++] = 0; /* mode data length */ 3674 buf[len++] = 0; 3675 buf[len++] = 0; /* medium type */ 3676 buf[len++] = 0; /* dev-specific param */ 3677 if (bdlen == 16) 3678 buf[len++] = 1; /* long lba descriptor */ 3679 else 3680 buf[len++] = 0; 3681 buf[len++] = 0; 3682 buf[len++] = 0; /* Block Descriptor length */ 3683 buf[len++] = bdlen; 3684 } 3685 3686 sdinfo = sata_get_device_info( 3687 spx->txlt_sata_hba_inst, 3688 &spx->txlt_sata_pkt->satapkt_device); 3689 3690 /* Build block descriptor only if not disabled (DBD) */ 3691 if ((scsipkt->pkt_cdbp[1] & 0x08) == 0) { 3692 /* Block descriptor - direct-access device format */ 3693 if (bdlen == 8) { 3694 /* build regular block descriptor */ 3695 buf[len++] = 3696 (sdinfo->satadrv_capacity >> 24) & 0xff; 3697 buf[len++] = 3698 (sdinfo->satadrv_capacity >> 16) & 0xff; 3699 buf[len++] = 3700 (sdinfo->satadrv_capacity >> 8) & 0xff; 3701 buf[len++] = sdinfo->satadrv_capacity & 0xff; 3702 buf[len++] = 0; /* density code */ 3703 buf[len++] = 0; 3704 if (sdinfo->satadrv_type == 3705 SATA_DTYPE_ATADISK) 3706 buf[len++] = 2; 3707 else 3708 /* ATAPI */ 3709 buf[len++] = 8; 3710 buf[len++] = 0; 3711 } else if (bdlen == 16) { 3712 /* Long LBA Accepted */ 3713 /* build long lba block descriptor */ 3714 #ifndef __lock_lint 3715 buf[len++] = 3716 (sdinfo->satadrv_capacity >> 56) & 0xff; 3717 buf[len++] = 3718 (sdinfo->satadrv_capacity >> 48) & 0xff; 3719 buf[len++] = 3720 (sdinfo->satadrv_capacity >> 40) & 0xff; 3721 buf[len++] = 3722 (sdinfo->satadrv_capacity >> 32) & 0xff; 3723 #endif 3724 buf[len++] = 3725 (sdinfo->satadrv_capacity >> 24) & 0xff; 3726 buf[len++] = 3727 (sdinfo->satadrv_capacity >> 16) & 0xff; 3728 buf[len++] = 3729 (sdinfo->satadrv_capacity >> 8) & 0xff; 3730 buf[len++] = sdinfo->satadrv_capacity & 0xff; 3731 buf[len++] = 0; 3732 buf[len++] = 0; /* density code */ 3733 buf[len++] = 0; 3734 buf[len++] = 0; 3735 if (sdinfo->satadrv_type == 3736 SATA_DTYPE_ATADISK) 3737 buf[len++] = 2; 3738 else 3739 /* ATAPI */ 3740 buf[len++] = 8; 3741 buf[len++] = 0; 3742 } 3743 } 3744 3745 sata_id = &sdinfo->satadrv_id; 3746 3747 /* 3748 * Add requested pages. 3749 * Page 3 and 4 are obsolete and we are not supporting them. 3750 * We deal now with: 3751 * caching (read/write cache control). 3752 * We should eventually deal with following mode pages: 3753 * error recovery (0x01), 3754 * power condition (0x1a), 3755 * exception control page (enables SMART) (0x1c), 3756 * enclosure management (ses), 3757 * protocol-specific port mode (port control). 3758 */ 3759 switch (scsipkt->pkt_cdbp[2] & 0x3f) { 3760 case MODEPAGE_RW_ERRRECOV: 3761 /* DAD_MODE_ERR_RECOV */ 3762 /* R/W recovery */ 3763 len += sata_build_msense_page_1(sdinfo, pc, buf+len); 3764 break; 3765 case MODEPAGE_CACHING: 3766 /* DAD_MODE_CACHE */ 3767 /* Reject not supported request for saved parameters */ 3768 if (pc == 3) { 3769 *scsipkt->pkt_scbp = STATUS_CHECK; 3770 sense = sata_arq_sense(spx); 3771 sense->es_key = KEY_ILLEGAL_REQUEST; 3772 sense->es_add_code = 3773 SD_SCSI_ASC_SAVING_PARAMS_NOT_SUPPORTED; 3774 goto done; 3775 } 3776 3777 /* caching */ 3778 len += sata_build_msense_page_8(sdinfo, pc, buf+len); 3779 break; 3780 case MODEPAGE_INFO_EXCPT: 3781 /* exception cntrl */ 3782 if (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED) { 3783 len += sata_build_msense_page_1c(sdinfo, pc, 3784 buf+len); 3785 } 3786 else 3787 goto err; 3788 break; 3789 case MODEPAGE_POWER_COND: 3790 /* DAD_MODE_POWER_COND */ 3791 /* power condition */ 3792 len += sata_build_msense_page_1a(sdinfo, pc, buf+len); 3793 break; 3794 3795 case MODEPAGE_ACOUSTIC_MANAG: 3796 /* acoustic management */ 3797 len += sata_build_msense_page_30(sdinfo, pc, buf+len); 3798 break; 3799 case MODEPAGE_ALLPAGES: 3800 /* all pages */ 3801 len += sata_build_msense_page_1(sdinfo, pc, buf+len); 3802 len += sata_build_msense_page_8(sdinfo, pc, buf+len); 3803 len += sata_build_msense_page_1a(sdinfo, pc, buf+len); 3804 if (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED) { 3805 len += sata_build_msense_page_1c(sdinfo, pc, 3806 buf+len); 3807 } 3808 len += sata_build_msense_page_30(sdinfo, pc, buf+len); 3809 break; 3810 default: 3811 err: 3812 /* Invalid request */ 3813 *scsipkt->pkt_scbp = STATUS_CHECK; 3814 sense = sata_arq_sense(spx); 3815 sense->es_key = KEY_ILLEGAL_REQUEST; 3816 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 3817 goto done; 3818 } 3819 3820 /* fix total mode data length */ 3821 if (spx->txlt_scsi_pkt->pkt_cdbp[0] == SCMD_MODE_SENSE) { 3822 /* 4-byte mode parameter header */ 3823 buf[0] = len - 1; /* mode data length */ 3824 } else { 3825 buf[0] = (len -2) >> 8; 3826 buf[1] = (len -2) & 0xff; 3827 } 3828 3829 3830 /* Check allocation length */ 3831 if (scsipkt->pkt_cdbp[0] == SCMD_MODE_SENSE) { 3832 alc_len = scsipkt->pkt_cdbp[4]; 3833 } else { 3834 alc_len = scsipkt->pkt_cdbp[7]; 3835 alc_len = (len << 8) | scsipkt->pkt_cdbp[8]; 3836 } 3837 /* 3838 * We do not check for possible parameters truncation 3839 * (alc_len < len) assuming that the target driver works 3840 * correctly. Just avoiding overrun. 3841 * Copy no more than requested and possible, buffer-wise. 3842 */ 3843 count = MIN(alc_len, len); 3844 count = MIN(bp->b_bcount, count); 3845 bcopy(buf, bp->b_un.b_addr, count); 3846 3847 scsipkt->pkt_state |= STATE_XFERRED_DATA; 3848 scsipkt->pkt_resid = alc_len > count ? alc_len - count : 0; 3849 } 3850 *scsipkt->pkt_scbp = STATUS_GOOD; 3851 done: 3852 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3853 (void) kmem_free(buf, 1024); 3854 3855 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3856 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 3857 3858 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3859 scsipkt->pkt_comp != NULL) 3860 /* scsi callback required */ 3861 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3862 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 3863 TQ_SLEEP) == NULL) 3864 /* Scheduling the callback failed */ 3865 return (TRAN_BUSY); 3866 3867 return (TRAN_ACCEPT); 3868 } 3869 3870 3871 /* 3872 * SATA translate command: Mode Select. 3873 * Translated into appropriate SATA command or emulated. 3874 * Saving parameters is not supported. 3875 * Changing device capacity is not supported (although theoretically 3876 * possible by executing SET FEATURES/SET MAX ADDRESS) 3877 * 3878 * Assumption is that the target driver is working correctly. 3879 * 3880 * More than one SATA command may be executed to perform operations specified 3881 * by mode select pages. The first error terminates further execution. 3882 * Operations performed successully are not backed-up in such case. 3883 * 3884 * NOTE: Implemented pages: 3885 * - caching page 3886 * - informational exception page 3887 * - acoustic management page 3888 * Caching setup is remembered so it could be re-stored in case of 3889 * an unexpected device reset. 3890 * 3891 * Returns TRAN_XXXX. 3892 * If TRAN_ACCEPT is returned, appropriate values are set in scsi_pkt fields. 3893 */ 3894 3895 static int 3896 sata_txlt_mode_select(sata_pkt_txlate_t *spx) 3897 { 3898 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3899 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 3900 struct scsi_extended_sense *sense; 3901 int len, pagelen, count, pllen; 3902 uint8_t *buf; /* mode select buffer */ 3903 int rval, stat, reason; 3904 uint_t nointr_flag; 3905 int dmod = 0; 3906 3907 SATADBG2(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3908 "sata_txlt_mode_select, pc %x page code 0x%02x\n", 3909 spx->txlt_scsi_pkt->pkt_cdbp[2] >> 6, 3910 spx->txlt_scsi_pkt->pkt_cdbp[2] & 0x3f); 3911 3912 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 3913 3914 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 3915 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 3916 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3917 return (rval); 3918 } 3919 /* 3920 * If in interrupt context, reject this packet because it may result 3921 * in issuing a synchronous command to HBA. 3922 */ 3923 if (servicing_interrupt()) { 3924 SATADBG1(SATA_DBG_INTR_CTX, spx->txlt_sata_hba_inst, 3925 "sata_txlt_mode_select: rejecting command because " 3926 "of interrupt context\n", NULL); 3927 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3928 return (TRAN_BUSY); 3929 } 3930 3931 rval = TRAN_ACCEPT; 3932 3933 scsipkt->pkt_reason = CMD_CMPLT; 3934 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3935 STATE_SENT_CMD | STATE_GOT_STATUS; 3936 nointr_flag = scsipkt->pkt_flags & FLAG_NOINTR; 3937 3938 /* Reject not supported request */ 3939 if (! (scsipkt->pkt_cdbp[1] & 0x10)) { /* No support for PF bit = 0 */ 3940 *scsipkt->pkt_scbp = STATUS_CHECK; 3941 sense = sata_arq_sense(spx); 3942 sense->es_key = KEY_ILLEGAL_REQUEST; 3943 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 3944 goto done; 3945 } 3946 3947 if (scsipkt->pkt_cdbp[0] == SCMD_MODE_SELECT) { 3948 pllen = scsipkt->pkt_cdbp[4]; 3949 } else { 3950 pllen = scsipkt->pkt_cdbp[7]; 3951 pllen = (pllen << 8) | scsipkt->pkt_cdbp[7]; 3952 } 3953 3954 *scsipkt->pkt_scbp = STATUS_GOOD; /* Presumed outcome */ 3955 3956 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount && pllen != 0) { 3957 buf = (uint8_t *)bp->b_un.b_addr; 3958 count = MIN(bp->b_bcount, pllen); 3959 scsipkt->pkt_state |= STATE_XFERRED_DATA; 3960 scsipkt->pkt_resid = 0; 3961 pllen = count; 3962 3963 /* 3964 * Check the header to skip the block descriptor(s) - we 3965 * do not support setting device capacity. 3966 * Existing macros do not recognize long LBA dscriptor, 3967 * hence manual calculation. 3968 */ 3969 if (scsipkt->pkt_cdbp[0] == SCMD_MODE_SELECT) { 3970 /* 6-bytes CMD, 4 bytes header */ 3971 if (count <= 4) 3972 goto done; /* header only */ 3973 len = buf[3] + 4; 3974 } else { 3975 /* 10-bytes CMD, 8 bytes header */ 3976 if (count <= 8) 3977 goto done; /* header only */ 3978 len = buf[6]; 3979 len = (len << 8) + buf[7] + 8; 3980 } 3981 if (len >= count) 3982 goto done; /* header + descriptor(s) only */ 3983 3984 pllen -= len; /* remaining data length */ 3985 3986 /* 3987 * We may be executing SATA command and want to execute it 3988 * in SYNCH mode, regardless of scsi_pkt setting. 3989 * Save scsi_pkt setting and indicate SYNCH mode 3990 */ 3991 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3992 scsipkt->pkt_comp != NULL) { 3993 scsipkt->pkt_flags |= FLAG_NOINTR; 3994 } 3995 spx->txlt_sata_pkt->satapkt_op_mode = SATA_OPMODE_SYNCH; 3996 3997 /* 3998 * len is now the offset to a first mode select page 3999 * Process all pages 4000 */ 4001 while (pllen > 0) { 4002 switch ((int)buf[len]) { 4003 case MODEPAGE_CACHING: 4004 /* No support for SP (saving) */ 4005 if (scsipkt->pkt_cdbp[1] & 0x01) { 4006 *scsipkt->pkt_scbp = STATUS_CHECK; 4007 sense = sata_arq_sense(spx); 4008 sense->es_key = KEY_ILLEGAL_REQUEST; 4009 sense->es_add_code = 4010 SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 4011 goto done; 4012 } 4013 stat = sata_mode_select_page_8(spx, 4014 (struct mode_cache_scsi3 *)&buf[len], 4015 pllen, &pagelen, &rval, &dmod); 4016 /* 4017 * The pagelen value indicates the number of 4018 * parameter bytes already processed. 4019 * The rval is the return value from 4020 * sata_tran_start(). 4021 * The stat indicates the overall status of 4022 * the operation(s). 4023 */ 4024 if (stat != SATA_SUCCESS) 4025 /* 4026 * Page processing did not succeed - 4027 * all error info is already set-up, 4028 * just return 4029 */ 4030 pllen = 0; /* this breaks the loop */ 4031 else { 4032 len += pagelen; 4033 pllen -= pagelen; 4034 } 4035 break; 4036 4037 case MODEPAGE_INFO_EXCPT: 4038 stat = sata_mode_select_page_1c(spx, 4039 (struct mode_info_excpt_page *)&buf[len], 4040 pllen, &pagelen, &rval, &dmod); 4041 /* 4042 * The pagelen value indicates the number of 4043 * parameter bytes already processed. 4044 * The rval is the return value from 4045 * sata_tran_start(). 4046 * The stat indicates the overall status of 4047 * the operation(s). 4048 */ 4049 if (stat != SATA_SUCCESS) 4050 /* 4051 * Page processing did not succeed - 4052 * all error info is already set-up, 4053 * just return 4054 */ 4055 pllen = 0; /* this breaks the loop */ 4056 else { 4057 len += pagelen; 4058 pllen -= pagelen; 4059 } 4060 break; 4061 4062 case MODEPAGE_ACOUSTIC_MANAG: 4063 stat = sata_mode_select_page_30(spx, 4064 (struct mode_acoustic_management *) 4065 &buf[len], pllen, &pagelen, &rval, &dmod); 4066 /* 4067 * The pagelen value indicates the number of 4068 * parameter bytes already processed. 4069 * The rval is the return value from 4070 * sata_tran_start(). 4071 * The stat indicates the overall status of 4072 * the operation(s). 4073 */ 4074 if (stat != SATA_SUCCESS) 4075 /* 4076 * Page processing did not succeed - 4077 * all error info is already set-up, 4078 * just return 4079 */ 4080 pllen = 0; /* this breaks the loop */ 4081 else { 4082 len += pagelen; 4083 pllen -= pagelen; 4084 } 4085 4086 break; 4087 default: 4088 *scsipkt->pkt_scbp = STATUS_CHECK; 4089 sense = sata_arq_sense(spx); 4090 sense->es_key = KEY_ILLEGAL_REQUEST; 4091 sense->es_add_code = 4092 SD_SCSI_ASC_INVALID_FIELD_IN_PARAMS_LIST; 4093 goto done; 4094 } 4095 } 4096 } 4097 done: 4098 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4099 /* 4100 * If device parameters were modified, fetch and store the new 4101 * Identify Device data. Since port mutex could have been released 4102 * for accessing HBA driver, we need to re-check device existence. 4103 */ 4104 if (dmod != 0) { 4105 sata_drive_info_t new_sdinfo, *sdinfo; 4106 int rv = 0; 4107 4108 /* 4109 * Following statement has to be changed if this function is 4110 * used for devices other than SATA hard disks. 4111 */ 4112 new_sdinfo.satadrv_type = SATA_DTYPE_ATADISK; 4113 4114 new_sdinfo.satadrv_addr = 4115 spx->txlt_sata_pkt->satapkt_device.satadev_addr; 4116 rv = sata_fetch_device_identify_data(spx->txlt_sata_hba_inst, 4117 &new_sdinfo); 4118 4119 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 4120 /* 4121 * Since port mutex could have been released when 4122 * accessing HBA driver, we need to re-check that the 4123 * framework still holds the device info structure. 4124 */ 4125 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 4126 &spx->txlt_sata_pkt->satapkt_device); 4127 if (sdinfo != NULL) { 4128 /* 4129 * Device still has info structure in the 4130 * sata framework. Copy newly fetched info 4131 */ 4132 if (rv == 0) { 4133 sdinfo->satadrv_id = new_sdinfo.satadrv_id; 4134 sata_save_drive_settings(sdinfo); 4135 } else { 4136 /* 4137 * Could not fetch new data - invalidate 4138 * sata_drive_info. That makes device 4139 * unusable. 4140 */ 4141 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 4142 sdinfo->satadrv_state = SATA_STATE_UNKNOWN; 4143 } 4144 } 4145 if (rv != 0 || sdinfo == NULL) { 4146 /* 4147 * This changes the overall mode select completion 4148 * reason to a failed one !!!!! 4149 */ 4150 *scsipkt->pkt_scbp = STATUS_CHECK; 4151 sense = sata_arq_sense(spx); 4152 scsipkt->pkt_reason = CMD_INCOMPLETE; 4153 rval = TRAN_ACCEPT; 4154 } 4155 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4156 } 4157 /* Restore the scsi pkt flags */ 4158 scsipkt->pkt_flags &= ~FLAG_NOINTR; 4159 scsipkt->pkt_flags |= nointr_flag; 4160 4161 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4162 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 4163 4164 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 4165 scsipkt->pkt_comp != NULL) 4166 /* scsi callback required */ 4167 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 4168 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 4169 TQ_SLEEP) == NULL) 4170 /* Scheduling the callback failed */ 4171 return (TRAN_BUSY); 4172 4173 return (rval); 4174 } 4175 4176 4177 4178 /* 4179 * Translate command: Log Sense 4180 */ 4181 static int 4182 sata_txlt_log_sense(sata_pkt_txlate_t *spx) 4183 { 4184 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 4185 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 4186 sata_drive_info_t *sdinfo; 4187 struct scsi_extended_sense *sense; 4188 int len, count, alc_len; 4189 int pc; /* Page Control code */ 4190 int page_code; /* Page code */ 4191 uint8_t *buf; /* log sense buffer */ 4192 int rval, reason; 4193 #define MAX_LOG_SENSE_PAGE_SIZE 512 4194 4195 SATADBG2(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4196 "sata_txlt_log_sense, pc 0x%x, page code 0x%x\n", 4197 spx->txlt_scsi_pkt->pkt_cdbp[2] >> 6, 4198 spx->txlt_scsi_pkt->pkt_cdbp[2] & 0x3f); 4199 4200 buf = kmem_zalloc(MAX_LOG_SENSE_PAGE_SIZE, KM_SLEEP); 4201 4202 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 4203 4204 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 4205 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 4206 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4207 kmem_free(buf, MAX_LOG_SENSE_PAGE_SIZE); 4208 return (rval); 4209 } 4210 /* 4211 * If in interrupt context, reject this packet because it may result 4212 * in issuing a synchronous command to HBA. 4213 */ 4214 if (servicing_interrupt()) { 4215 SATADBG1(SATA_DBG_INTR_CTX, spx->txlt_sata_hba_inst, 4216 "sata_log_sense: rejecting command because " 4217 "of interrupt context\n", NULL); 4218 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4219 kmem_free(buf, MAX_LOG_SENSE_PAGE_SIZE); 4220 return (TRAN_BUSY); 4221 } 4222 4223 scsipkt->pkt_reason = CMD_CMPLT; 4224 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 4225 STATE_SENT_CMD | STATE_GOT_STATUS; 4226 4227 pc = scsipkt->pkt_cdbp[2] >> 6; 4228 page_code = scsipkt->pkt_cdbp[2] & 0x3f; 4229 4230 /* Reject not supported request for all but cumulative values */ 4231 switch (pc) { 4232 case PC_CUMULATIVE_VALUES: 4233 break; 4234 default: 4235 *scsipkt->pkt_scbp = STATUS_CHECK; 4236 sense = sata_arq_sense(spx); 4237 sense->es_key = KEY_ILLEGAL_REQUEST; 4238 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 4239 goto done; 4240 } 4241 4242 switch (page_code) { 4243 case PAGE_CODE_GET_SUPPORTED_LOG_PAGES: 4244 case PAGE_CODE_SELF_TEST_RESULTS: 4245 case PAGE_CODE_INFORMATION_EXCEPTIONS: 4246 case PAGE_CODE_SMART_READ_DATA: 4247 break; 4248 default: 4249 *scsipkt->pkt_scbp = STATUS_CHECK; 4250 sense = sata_arq_sense(spx); 4251 sense->es_key = KEY_ILLEGAL_REQUEST; 4252 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 4253 goto done; 4254 } 4255 4256 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { 4257 /* 4258 * Because log sense uses local buffers for data retrieval from 4259 * the devices and sets the data programatically in the 4260 * original specified buffer, release preallocated DMA 4261 * resources before storing data in the original buffer, 4262 * so no unwanted DMA sync would take place. 4263 */ 4264 sata_id_t *sata_id; 4265 4266 sata_scsi_dmafree(NULL, scsipkt); 4267 4268 len = 0; 4269 4270 /* Build log parameter header */ 4271 buf[len++] = page_code; /* page code as in the CDB */ 4272 buf[len++] = 0; /* reserved */ 4273 buf[len++] = 0; /* Zero out page length for now (MSB) */ 4274 buf[len++] = 0; /* (LSB) */ 4275 4276 sdinfo = sata_get_device_info( 4277 spx->txlt_sata_hba_inst, 4278 &spx->txlt_sata_pkt->satapkt_device); 4279 4280 /* 4281 * Add requested pages. 4282 */ 4283 switch (page_code) { 4284 case PAGE_CODE_GET_SUPPORTED_LOG_PAGES: 4285 len = sata_build_lsense_page_0(sdinfo, buf + len); 4286 break; 4287 case PAGE_CODE_SELF_TEST_RESULTS: 4288 sata_id = &sdinfo->satadrv_id; 4289 if ((! (sata_id->ai_cmdset84 & 4290 SATA_SMART_SELF_TEST_SUPPORTED)) || 4291 (! (sata_id->ai_features87 & 4292 SATA_SMART_SELF_TEST_SUPPORTED))) { 4293 *scsipkt->pkt_scbp = STATUS_CHECK; 4294 sense = sata_arq_sense(spx); 4295 sense->es_key = KEY_ILLEGAL_REQUEST; 4296 sense->es_add_code = 4297 SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 4298 4299 goto done; 4300 } 4301 len = sata_build_lsense_page_10(sdinfo, buf + len, 4302 spx->txlt_sata_hba_inst); 4303 break; 4304 case PAGE_CODE_INFORMATION_EXCEPTIONS: 4305 sata_id = &sdinfo->satadrv_id; 4306 if (! (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED)) { 4307 *scsipkt->pkt_scbp = STATUS_CHECK; 4308 sense = sata_arq_sense(spx); 4309 sense->es_key = KEY_ILLEGAL_REQUEST; 4310 sense->es_add_code = 4311 SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 4312 4313 goto done; 4314 } 4315 if (! (sata_id->ai_features85 & SATA_SMART_ENABLED)) { 4316 *scsipkt->pkt_scbp = STATUS_CHECK; 4317 sense = sata_arq_sense(spx); 4318 sense->es_key = KEY_ABORTED_COMMAND; 4319 sense->es_add_code = 4320 SCSI_ASC_ATA_DEV_FEAT_NOT_ENABLED; 4321 sense->es_qual_code = 4322 SCSI_ASCQ_ATA_DEV_FEAT_NOT_ENABLED; 4323 4324 goto done; 4325 } 4326 4327 len = sata_build_lsense_page_2f(sdinfo, buf + len, 4328 spx->txlt_sata_hba_inst); 4329 break; 4330 case PAGE_CODE_SMART_READ_DATA: 4331 sata_id = &sdinfo->satadrv_id; 4332 if (! (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED)) { 4333 *scsipkt->pkt_scbp = STATUS_CHECK; 4334 sense = sata_arq_sense(spx); 4335 sense->es_key = KEY_ILLEGAL_REQUEST; 4336 sense->es_add_code = 4337 SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 4338 4339 goto done; 4340 } 4341 if (! (sata_id->ai_features85 & SATA_SMART_ENABLED)) { 4342 *scsipkt->pkt_scbp = STATUS_CHECK; 4343 sense = sata_arq_sense(spx); 4344 sense->es_key = KEY_ABORTED_COMMAND; 4345 sense->es_add_code = 4346 SCSI_ASC_ATA_DEV_FEAT_NOT_ENABLED; 4347 sense->es_qual_code = 4348 SCSI_ASCQ_ATA_DEV_FEAT_NOT_ENABLED; 4349 4350 goto done; 4351 } 4352 4353 /* This page doesn't include a page header */ 4354 len = sata_build_lsense_page_30(sdinfo, buf, 4355 spx->txlt_sata_hba_inst); 4356 goto no_header; 4357 default: 4358 /* Invalid request */ 4359 *scsipkt->pkt_scbp = STATUS_CHECK; 4360 sense = sata_arq_sense(spx); 4361 sense->es_key = KEY_ILLEGAL_REQUEST; 4362 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 4363 goto done; 4364 } 4365 4366 /* set parameter log sense data length */ 4367 buf[2] = len >> 8; /* log sense length (MSB) */ 4368 buf[3] = len & 0xff; /* log sense length (LSB) */ 4369 4370 len += SCSI_LOG_PAGE_HDR_LEN; 4371 ASSERT(len <= MAX_LOG_SENSE_PAGE_SIZE); 4372 4373 no_header: 4374 /* Check allocation length */ 4375 alc_len = scsipkt->pkt_cdbp[7]; 4376 alc_len = (len << 8) | scsipkt->pkt_cdbp[8]; 4377 4378 /* 4379 * We do not check for possible parameters truncation 4380 * (alc_len < len) assuming that the target driver works 4381 * correctly. Just avoiding overrun. 4382 * Copy no more than requested and possible, buffer-wise. 4383 */ 4384 count = MIN(alc_len, len); 4385 count = MIN(bp->b_bcount, count); 4386 bcopy(buf, bp->b_un.b_addr, count); 4387 4388 scsipkt->pkt_state |= STATE_XFERRED_DATA; 4389 scsipkt->pkt_resid = alc_len > count ? alc_len - count : 0; 4390 } 4391 *scsipkt->pkt_scbp = STATUS_GOOD; 4392 done: 4393 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4394 (void) kmem_free(buf, MAX_LOG_SENSE_PAGE_SIZE); 4395 4396 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4397 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 4398 4399 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 4400 scsipkt->pkt_comp != NULL) 4401 /* scsi callback required */ 4402 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 4403 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 4404 TQ_SLEEP) == NULL) 4405 /* Scheduling the callback failed */ 4406 return (TRAN_BUSY); 4407 4408 return (TRAN_ACCEPT); 4409 } 4410 4411 /* 4412 * Translate command: Log Select 4413 * Not implemented at this time - returns invalid command response. 4414 */ 4415 static int 4416 sata_txlt_log_select(sata_pkt_txlate_t *spx) 4417 { 4418 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4419 "sata_txlt_log_select\n", NULL); 4420 4421 return (sata_txlt_invalid_command(spx)); 4422 } 4423 4424 4425 /* 4426 * Translate command: Read (various types). 4427 * Translated into appropriate type of ATA READ command 4428 * for SATA hard disks. 4429 * Both the device capabilities and requested operation mode are 4430 * considered. 4431 * 4432 * Following scsi cdb fields are ignored: 4433 * rdprotect, dpo, fua, fua_nv, group_number. 4434 * 4435 * If SATA_ENABLE_QUEUING flag is set (in the global SATA HBA framework 4436 * enable variable sata_func_enable), the capability of the controller and 4437 * capability of a device are checked and if both support queueing, read 4438 * request will be translated to READ_DMA_QUEUEING or READ_DMA_QUEUEING_EXT 4439 * command rather than plain READ_XXX command. 4440 * If SATA_ENABLE_NCQ flag is set in addition to SATA_ENABLE_QUEUING flag and 4441 * both the controller and device suport such functionality, the read 4442 * request will be translated to READ_FPDMA_QUEUED command. 4443 * In both cases the maximum queue depth is derived as minimum of: 4444 * HBA capability,device capability and sata_max_queue_depth variable setting. 4445 * The value passed to HBA driver is decremented by 1, because only 5 bits are 4446 * used to pass max queue depth value, and the maximum possible queue depth 4447 * is 32. 4448 * 4449 * Returns TRAN_ACCEPT or code returned by sata_hba_start() and 4450 * appropriate values in scsi_pkt fields. 4451 */ 4452 static int 4453 sata_txlt_read(sata_pkt_txlate_t *spx) 4454 { 4455 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 4456 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 4457 sata_drive_info_t *sdinfo; 4458 sata_hba_inst_t *shi = SATA_TXLT_HBA_INST(spx); 4459 int cport = SATA_TXLT_CPORT(spx); 4460 uint16_t sec_count; 4461 uint64_t lba; 4462 int rval, reason; 4463 int synch; 4464 4465 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 4466 4467 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 4468 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 4469 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4470 return (rval); 4471 } 4472 4473 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 4474 &spx->txlt_sata_pkt->satapkt_device); 4475 4476 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 4477 /* 4478 * Extract LBA and sector count from scsi CDB. 4479 */ 4480 switch ((uint_t)scsipkt->pkt_cdbp[0]) { 4481 case SCMD_READ: 4482 /* 6-byte scsi read cmd : 0x08 */ 4483 lba = (scsipkt->pkt_cdbp[1] & 0x1f); 4484 lba = (lba << 8) | scsipkt->pkt_cdbp[2]; 4485 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4486 sec_count = scsipkt->pkt_cdbp[4]; 4487 /* sec_count 0 will be interpreted as 256 by a device */ 4488 break; 4489 case SCMD_READ_G1: 4490 /* 10-bytes scsi read command : 0x28 */ 4491 lba = scsipkt->pkt_cdbp[2]; 4492 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4493 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 4494 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 4495 sec_count = scsipkt->pkt_cdbp[7]; 4496 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[8]; 4497 break; 4498 case SCMD_READ_G5: 4499 /* 12-bytes scsi read command : 0xA8 */ 4500 lba = scsipkt->pkt_cdbp[2]; 4501 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4502 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 4503 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 4504 sec_count = scsipkt->pkt_cdbp[6]; 4505 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[7]; 4506 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[8]; 4507 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[9]; 4508 break; 4509 case SCMD_READ_G4: 4510 /* 16-bytes scsi read command : 0x88 */ 4511 lba = scsipkt->pkt_cdbp[2]; 4512 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4513 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 4514 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 4515 lba = (lba << 8) | scsipkt->pkt_cdbp[6]; 4516 lba = (lba << 8) | scsipkt->pkt_cdbp[7]; 4517 lba = (lba << 8) | scsipkt->pkt_cdbp[8]; 4518 lba = (lba << 8) | scsipkt->pkt_cdbp[9]; 4519 sec_count = scsipkt->pkt_cdbp[10]; 4520 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[11]; 4521 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[12]; 4522 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[13]; 4523 break; 4524 default: 4525 /* Unsupported command */ 4526 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4527 return (sata_txlt_invalid_command(spx)); 4528 } 4529 4530 /* 4531 * Check if specified address exceeds device capacity 4532 */ 4533 if ((lba >= sdinfo->satadrv_capacity) || 4534 ((lba + sec_count) > sdinfo->satadrv_capacity)) { 4535 /* LBA out of range */ 4536 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4537 return (sata_txlt_lba_out_of_range(spx)); 4538 } 4539 4540 /* 4541 * For zero-length transfer, emulate good completion of the command 4542 * (reasons for rejecting the command were already checked). 4543 * No DMA resources were allocated. 4544 */ 4545 if (spx->txlt_dma_cookie_list == NULL) { 4546 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4547 return (sata_emul_rw_completion(spx)); 4548 } 4549 4550 /* 4551 * Build cmd block depending on the device capability and 4552 * requested operation mode. 4553 * Do not bother with non-dma mode - we are working only with 4554 * devices supporting DMA. 4555 */ 4556 scmd->satacmd_addr_type = ATA_ADDR_LBA; 4557 scmd->satacmd_device_reg = SATA_ADH_LBA; 4558 scmd->satacmd_cmd_reg = SATAC_READ_DMA; 4559 if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) { 4560 scmd->satacmd_addr_type = ATA_ADDR_LBA48; 4561 scmd->satacmd_cmd_reg = SATAC_READ_DMA_EXT; 4562 scmd->satacmd_sec_count_msb = sec_count >> 8; 4563 #ifndef __lock_lint 4564 scmd->satacmd_lba_low_msb = (lba >> 24) & 0xff; 4565 scmd->satacmd_lba_mid_msb = (lba >> 32) & 0xff; 4566 scmd->satacmd_lba_high_msb = lba >> 40; 4567 #endif 4568 } else if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA28) { 4569 scmd->satacmd_addr_type = ATA_ADDR_LBA28; 4570 scmd->satacmd_device_reg = SATA_ADH_LBA | ((lba >> 24) & 0xf); 4571 } 4572 scmd->satacmd_sec_count_lsb = sec_count & 0xff; 4573 scmd->satacmd_lba_low_lsb = lba & 0xff; 4574 scmd->satacmd_lba_mid_lsb = (lba >> 8) & 0xff; 4575 scmd->satacmd_lba_high_lsb = (lba >> 16) & 0xff; 4576 scmd->satacmd_features_reg = 0; 4577 scmd->satacmd_status_reg = 0; 4578 scmd->satacmd_error_reg = 0; 4579 4580 /* 4581 * Check if queueing commands should be used and switch 4582 * to appropriate command if possible 4583 */ 4584 if (sata_func_enable & SATA_ENABLE_QUEUING) { 4585 boolean_t using_queuing; 4586 4587 /* Queuing supported by controller and device? */ 4588 if ((sata_func_enable & SATA_ENABLE_NCQ) && 4589 (sdinfo->satadrv_features_support & 4590 SATA_DEV_F_NCQ) && 4591 (SATA_FEATURES(spx->txlt_sata_hba_inst) & 4592 SATA_CTLF_NCQ)) { 4593 using_queuing = B_TRUE; 4594 4595 /* NCQ supported - use FPDMA READ */ 4596 scmd->satacmd_cmd_reg = 4597 SATAC_READ_FPDMA_QUEUED; 4598 scmd->satacmd_features_reg_ext = 4599 scmd->satacmd_sec_count_msb; 4600 scmd->satacmd_sec_count_msb = 0; 4601 } else if ((sdinfo->satadrv_features_support & 4602 SATA_DEV_F_TCQ) && 4603 (SATA_FEATURES(spx->txlt_sata_hba_inst) & 4604 SATA_CTLF_QCMD)) { 4605 using_queuing = B_TRUE; 4606 4607 /* Legacy queueing */ 4608 if (sdinfo->satadrv_features_support & 4609 SATA_DEV_F_LBA48) { 4610 scmd->satacmd_cmd_reg = 4611 SATAC_READ_DMA_QUEUED_EXT; 4612 scmd->satacmd_features_reg_ext = 4613 scmd->satacmd_sec_count_msb; 4614 scmd->satacmd_sec_count_msb = 0; 4615 } else { 4616 scmd->satacmd_cmd_reg = 4617 SATAC_READ_DMA_QUEUED; 4618 } 4619 } else /* NCQ nor legacy queuing not supported */ 4620 using_queuing = B_FALSE; 4621 4622 /* 4623 * If queuing, the sector count goes in the features register 4624 * and the secount count will contain the tag. 4625 */ 4626 if (using_queuing) { 4627 scmd->satacmd_features_reg = 4628 scmd->satacmd_sec_count_lsb; 4629 scmd->satacmd_sec_count_lsb = 0; 4630 scmd->satacmd_flags.sata_queued = B_TRUE; 4631 4632 /* Set-up maximum queue depth */ 4633 scmd->satacmd_flags.sata_max_queue_depth = 4634 sdinfo->satadrv_max_queue_depth - 1; 4635 } else if (sdinfo->satadrv_features_enabled & 4636 SATA_DEV_F_E_UNTAGGED_QING) { 4637 /* 4638 * Although NCQ/TCQ is not enabled, untagged queuing 4639 * may be still used. 4640 * Set-up the maximum untagged queue depth. 4641 * Use controller's queue depth from sata_hba_tran. 4642 * SATA HBA drivers may ignore this value and rely on 4643 * the internal limits.For drivers that do not 4644 * ignore untaged queue depth, limit the value to 4645 * SATA_MAX_QUEUE_DEPTH (32), as this is the 4646 * largest value that can be passed via 4647 * satacmd_flags.sata_max_queue_depth. 4648 */ 4649 scmd->satacmd_flags.sata_max_queue_depth = 4650 SATA_QDEPTH(shi) <= SATA_MAX_QUEUE_DEPTH ? 4651 SATA_QDEPTH(shi) - 1: SATA_MAX_QUEUE_DEPTH - 1; 4652 4653 } else { 4654 scmd->satacmd_flags.sata_max_queue_depth = 0; 4655 } 4656 } else 4657 scmd->satacmd_flags.sata_max_queue_depth = 0; 4658 4659 SATADBG3(SATA_DBG_HBA_IF, spx->txlt_sata_hba_inst, 4660 "sata_txlt_read cmd 0x%2x, lba %llx, sec count %x\n", 4661 scmd->satacmd_cmd_reg, lba, sec_count); 4662 4663 if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { 4664 /* Need callback function */ 4665 spx->txlt_sata_pkt->satapkt_comp = sata_txlt_rw_completion; 4666 synch = FALSE; 4667 } else 4668 synch = TRUE; 4669 4670 /* Transfer command to HBA */ 4671 if (sata_hba_start(spx, &rval) != 0) { 4672 /* Pkt not accepted for execution */ 4673 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 4674 return (rval); 4675 } 4676 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 4677 /* 4678 * If execution is non-synchronous, 4679 * a callback function will handle potential errors, translate 4680 * the response and will do a callback to a target driver. 4681 * If it was synchronous, check execution status using the same 4682 * framework callback. 4683 */ 4684 if (synch) { 4685 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4686 "synchronous execution status %x\n", 4687 spx->txlt_sata_pkt->satapkt_reason); 4688 sata_txlt_rw_completion(spx->txlt_sata_pkt); 4689 } 4690 return (TRAN_ACCEPT); 4691 } 4692 4693 4694 /* 4695 * SATA translate command: Write (various types) 4696 * Translated into appropriate type of ATA WRITE command 4697 * for SATA hard disks. 4698 * Both the device capabilities and requested operation mode are 4699 * considered. 4700 * 4701 * Following scsi cdb fields are ignored: 4702 * rwprotect, dpo, fua, fua_nv, group_number. 4703 * 4704 * If SATA_ENABLE_QUEUING flag is set (in the global SATA HBA framework 4705 * enable variable sata_func_enable), the capability of the controller and 4706 * capability of a device are checked and if both support queueing, write 4707 * request will be translated to WRITE_DMA_QUEUEING or WRITE_DMA_QUEUEING_EXT 4708 * command rather than plain WRITE_XXX command. 4709 * If SATA_ENABLE_NCQ flag is set in addition to SATA_ENABLE_QUEUING flag and 4710 * both the controller and device suport such functionality, the write 4711 * request will be translated to WRITE_FPDMA_QUEUED command. 4712 * In both cases the maximum queue depth is derived as minimum of: 4713 * HBA capability,device capability and sata_max_queue_depth variable setting. 4714 * The value passed to HBA driver is decremented by 1, because only 5 bits are 4715 * used to pass max queue depth value, and the maximum possible queue depth 4716 * is 32. 4717 * 4718 * Returns TRAN_ACCEPT or code returned by sata_hba_start() and 4719 * appropriate values in scsi_pkt fields. 4720 */ 4721 static int 4722 sata_txlt_write(sata_pkt_txlate_t *spx) 4723 { 4724 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 4725 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 4726 sata_drive_info_t *sdinfo; 4727 sata_hba_inst_t *shi = SATA_TXLT_HBA_INST(spx); 4728 int cport = SATA_TXLT_CPORT(spx); 4729 uint16_t sec_count; 4730 uint64_t lba; 4731 int rval, reason; 4732 int synch; 4733 4734 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 4735 4736 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 4737 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 4738 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4739 return (rval); 4740 } 4741 4742 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 4743 &spx->txlt_sata_pkt->satapkt_device); 4744 4745 scmd->satacmd_flags.sata_data_direction = SATA_DIR_WRITE; 4746 /* 4747 * Extract LBA and sector count from scsi CDB 4748 */ 4749 switch ((uint_t)scsipkt->pkt_cdbp[0]) { 4750 case SCMD_WRITE: 4751 /* 6-byte scsi read cmd : 0x0A */ 4752 lba = (scsipkt->pkt_cdbp[1] & 0x1f); 4753 lba = (lba << 8) | scsipkt->pkt_cdbp[2]; 4754 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4755 sec_count = scsipkt->pkt_cdbp[4]; 4756 /* sec_count 0 will be interpreted as 256 by a device */ 4757 break; 4758 case SCMD_WRITE_G1: 4759 /* 10-bytes scsi write command : 0x2A */ 4760 lba = scsipkt->pkt_cdbp[2]; 4761 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4762 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 4763 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 4764 sec_count = scsipkt->pkt_cdbp[7]; 4765 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[8]; 4766 break; 4767 case SCMD_WRITE_G5: 4768 /* 12-bytes scsi read command : 0xAA */ 4769 lba = scsipkt->pkt_cdbp[2]; 4770 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4771 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 4772 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 4773 sec_count = scsipkt->pkt_cdbp[6]; 4774 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[7]; 4775 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[8]; 4776 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[9]; 4777 break; 4778 case SCMD_WRITE_G4: 4779 /* 16-bytes scsi write command : 0x8A */ 4780 lba = scsipkt->pkt_cdbp[2]; 4781 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4782 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 4783 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 4784 lba = (lba << 8) | scsipkt->pkt_cdbp[6]; 4785 lba = (lba << 8) | scsipkt->pkt_cdbp[7]; 4786 lba = (lba << 8) | scsipkt->pkt_cdbp[8]; 4787 lba = (lba << 8) | scsipkt->pkt_cdbp[9]; 4788 sec_count = scsipkt->pkt_cdbp[10]; 4789 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[11]; 4790 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[12]; 4791 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[13]; 4792 break; 4793 default: 4794 /* Unsupported command */ 4795 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4796 return (sata_txlt_invalid_command(spx)); 4797 } 4798 4799 /* 4800 * Check if specified address and length exceeds device capacity 4801 */ 4802 if ((lba >= sdinfo->satadrv_capacity) || 4803 ((lba + sec_count) > sdinfo->satadrv_capacity)) { 4804 /* LBA out of range */ 4805 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4806 return (sata_txlt_lba_out_of_range(spx)); 4807 } 4808 4809 /* 4810 * For zero-length transfer, emulate good completion of the command 4811 * (reasons for rejecting the command were already checked). 4812 * No DMA resources were allocated. 4813 */ 4814 if (spx->txlt_dma_cookie_list == NULL) { 4815 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4816 return (sata_emul_rw_completion(spx)); 4817 } 4818 4819 /* 4820 * Build cmd block depending on the device capability and 4821 * requested operation mode. 4822 * Do not bother with non-dma mode- we are working only with 4823 * devices supporting DMA. 4824 */ 4825 scmd->satacmd_addr_type = ATA_ADDR_LBA; 4826 scmd->satacmd_device_reg = SATA_ADH_LBA; 4827 scmd->satacmd_cmd_reg = SATAC_WRITE_DMA; 4828 if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) { 4829 scmd->satacmd_addr_type = ATA_ADDR_LBA48; 4830 scmd->satacmd_cmd_reg = SATAC_WRITE_DMA_EXT; 4831 scmd->satacmd_sec_count_msb = sec_count >> 8; 4832 scmd->satacmd_lba_low_msb = (lba >> 24) & 0xff; 4833 #ifndef __lock_lint 4834 scmd->satacmd_lba_mid_msb = (lba >> 32) & 0xff; 4835 scmd->satacmd_lba_high_msb = lba >> 40; 4836 #endif 4837 } else if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA28) { 4838 scmd->satacmd_addr_type = ATA_ADDR_LBA28; 4839 scmd->satacmd_device_reg = SATA_ADH_LBA | ((lba >> 24) & 0xf); 4840 } 4841 scmd->satacmd_sec_count_lsb = sec_count & 0xff; 4842 scmd->satacmd_lba_low_lsb = lba & 0xff; 4843 scmd->satacmd_lba_mid_lsb = (lba >> 8) & 0xff; 4844 scmd->satacmd_lba_high_lsb = (lba >> 16) & 0xff; 4845 scmd->satacmd_features_reg = 0; 4846 scmd->satacmd_status_reg = 0; 4847 scmd->satacmd_error_reg = 0; 4848 4849 /* 4850 * Check if queueing commands should be used and switch 4851 * to appropriate command if possible 4852 */ 4853 if (sata_func_enable & SATA_ENABLE_QUEUING) { 4854 boolean_t using_queuing; 4855 4856 /* Queuing supported by controller and device? */ 4857 if ((sata_func_enable & SATA_ENABLE_NCQ) && 4858 (sdinfo->satadrv_features_support & 4859 SATA_DEV_F_NCQ) && 4860 (SATA_FEATURES(spx->txlt_sata_hba_inst) & 4861 SATA_CTLF_NCQ)) { 4862 using_queuing = B_TRUE; 4863 4864 /* NCQ supported - use FPDMA WRITE */ 4865 scmd->satacmd_cmd_reg = 4866 SATAC_WRITE_FPDMA_QUEUED; 4867 scmd->satacmd_features_reg_ext = 4868 scmd->satacmd_sec_count_msb; 4869 scmd->satacmd_sec_count_msb = 0; 4870 } else if ((sdinfo->satadrv_features_support & 4871 SATA_DEV_F_TCQ) && 4872 (SATA_FEATURES(spx->txlt_sata_hba_inst) & 4873 SATA_CTLF_QCMD)) { 4874 using_queuing = B_TRUE; 4875 4876 /* Legacy queueing */ 4877 if (sdinfo->satadrv_features_support & 4878 SATA_DEV_F_LBA48) { 4879 scmd->satacmd_cmd_reg = 4880 SATAC_WRITE_DMA_QUEUED_EXT; 4881 scmd->satacmd_features_reg_ext = 4882 scmd->satacmd_sec_count_msb; 4883 scmd->satacmd_sec_count_msb = 0; 4884 } else { 4885 scmd->satacmd_cmd_reg = 4886 SATAC_WRITE_DMA_QUEUED; 4887 } 4888 } else /* NCQ nor legacy queuing not supported */ 4889 using_queuing = B_FALSE; 4890 4891 if (using_queuing) { 4892 scmd->satacmd_features_reg = 4893 scmd->satacmd_sec_count_lsb; 4894 scmd->satacmd_sec_count_lsb = 0; 4895 scmd->satacmd_flags.sata_queued = B_TRUE; 4896 /* Set-up maximum queue depth */ 4897 scmd->satacmd_flags.sata_max_queue_depth = 4898 sdinfo->satadrv_max_queue_depth - 1; 4899 } else if (sdinfo->satadrv_features_enabled & 4900 SATA_DEV_F_E_UNTAGGED_QING) { 4901 /* 4902 * Although NCQ/TCQ is not enabled, untagged queuing 4903 * may be still used. 4904 * Set-up the maximum untagged queue depth. 4905 * Use controller's queue depth from sata_hba_tran. 4906 * SATA HBA drivers may ignore this value and rely on 4907 * the internal limits. For drivera that do not 4908 * ignore untaged queue depth, limit the value to 4909 * SATA_MAX_QUEUE_DEPTH (32), as this is the 4910 * largest value that can be passed via 4911 * satacmd_flags.sata_max_queue_depth. 4912 */ 4913 scmd->satacmd_flags.sata_max_queue_depth = 4914 SATA_QDEPTH(shi) <= SATA_MAX_QUEUE_DEPTH ? 4915 SATA_QDEPTH(shi) - 1: SATA_MAX_QUEUE_DEPTH - 1; 4916 4917 } else { 4918 scmd->satacmd_flags.sata_max_queue_depth = 0; 4919 } 4920 } else 4921 scmd->satacmd_flags.sata_max_queue_depth = 0; 4922 4923 SATADBG3(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4924 "sata_txlt_write cmd 0x%2x, lba %llx, sec count %x\n", 4925 scmd->satacmd_cmd_reg, lba, sec_count); 4926 4927 if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { 4928 /* Need callback function */ 4929 spx->txlt_sata_pkt->satapkt_comp = sata_txlt_rw_completion; 4930 synch = FALSE; 4931 } else 4932 synch = TRUE; 4933 4934 /* Transfer command to HBA */ 4935 if (sata_hba_start(spx, &rval) != 0) { 4936 /* Pkt not accepted for execution */ 4937 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 4938 return (rval); 4939 } 4940 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 4941 4942 /* 4943 * If execution is non-synchronous, 4944 * a callback function will handle potential errors, translate 4945 * the response and will do a callback to a target driver. 4946 * If it was synchronous, check execution status using the same 4947 * framework callback. 4948 */ 4949 if (synch) { 4950 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4951 "synchronous execution status %x\n", 4952 spx->txlt_sata_pkt->satapkt_reason); 4953 sata_txlt_rw_completion(spx->txlt_sata_pkt); 4954 } 4955 return (TRAN_ACCEPT); 4956 } 4957 4958 4959 /* 4960 * Implements SCSI SBC WRITE BUFFER command download microcode option 4961 */ 4962 static int 4963 sata_txlt_write_buffer(sata_pkt_txlate_t *spx) 4964 { 4965 #define WB_DOWNLOAD_MICROCODE_AND_REVERT_MODE 4 4966 #define WB_DOWNLOAD_MICROCODE_AND_SAVE_MODE 5 4967 4968 sata_hba_inst_t *sata_hba_inst = SATA_TXLT_HBA_INST(spx); 4969 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 4970 struct sata_pkt *sata_pkt = spx->txlt_sata_pkt; 4971 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 4972 4973 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 4974 struct scsi_extended_sense *sense; 4975 int rval, mode, sector_count, reason; 4976 int cport = SATA_TXLT_CPORT(spx); 4977 4978 mode = scsipkt->pkt_cdbp[1] & 0x1f; 4979 4980 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4981 "sata_txlt_write_buffer, mode 0x%x\n", mode); 4982 4983 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 4984 4985 if ((rval = sata_txlt_generic_pkt_info(spx, &reason)) != TRAN_ACCEPT) { 4986 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4987 return (rval); 4988 } 4989 /* 4990 * If in interrupt context, reject this packet because it would issue 4991 * a synchronous command to HBA. 4992 */ 4993 if (servicing_interrupt()) { 4994 SATADBG1(SATA_DBG_INTR_CTX, spx->txlt_sata_hba_inst, 4995 "sata_txlt_write_buffer: rejecting command because " 4996 "of interrupt context\n", NULL); 4997 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4998 return (TRAN_BUSY); 4999 } 5000 5001 /* Use synchronous mode */ 5002 spx->txlt_sata_pkt->satapkt_op_mode 5003 |= SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 5004 5005 scmd->satacmd_flags.sata_data_direction = SATA_DIR_WRITE; 5006 5007 scsipkt->pkt_reason = CMD_CMPLT; 5008 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5009 STATE_SENT_CMD | STATE_GOT_STATUS; 5010 5011 /* 5012 * The SCSI to ATA translation specification only calls 5013 * for WB_DOWNLOAD_MICROCODE_AND_SAVE_MODE. 5014 * WB_DOWNLOAD_MICROC_AND_REVERT_MODE is implemented, but 5015 * ATA 8 (draft) got rid of download microcode for temp 5016 * and it is even optional for ATA 7, so it may be aborted. 5017 * WB_DOWNLOAD_MICROCODE_WITH_OFFSET is not implemented as 5018 * it is not specified and the buffer offset for SCSI is a 16-bit 5019 * value in bytes, but for ATA it is a 16-bit offset in 512 byte 5020 * sectors. Thus the offset really doesn't buy us anything. 5021 * If and when ATA 8 is stabilized and the SCSI to ATA specification 5022 * is revised, this can be revisisted. 5023 */ 5024 /* Reject not supported request */ 5025 switch (mode) { 5026 case WB_DOWNLOAD_MICROCODE_AND_REVERT_MODE: 5027 scmd->satacmd_features_reg = SATA_DOWNLOAD_MCODE_TEMP; 5028 break; 5029 case WB_DOWNLOAD_MICROCODE_AND_SAVE_MODE: 5030 scmd->satacmd_features_reg = SATA_DOWNLOAD_MCODE_SAVE; 5031 break; 5032 default: 5033 goto bad_param; 5034 } 5035 5036 *scsipkt->pkt_scbp = STATUS_GOOD; /* Presumed outcome */ 5037 5038 scmd->satacmd_cmd_reg = SATAC_DOWNLOAD_MICROCODE; 5039 if ((bp->b_bcount % SATA_DISK_SECTOR_SIZE) != 0) 5040 goto bad_param; 5041 sector_count = bp->b_bcount / SATA_DISK_SECTOR_SIZE; 5042 scmd->satacmd_sec_count_lsb = (uint8_t)sector_count; 5043 scmd->satacmd_lba_low_lsb = ((uint16_t)sector_count) >> 8; 5044 scmd->satacmd_lba_mid_lsb = 0; 5045 scmd->satacmd_lba_high_lsb = 0; 5046 scmd->satacmd_device_reg = 0; 5047 spx->txlt_sata_pkt->satapkt_comp = NULL; 5048 scmd->satacmd_addr_type = 0; 5049 5050 /* Transfer command to HBA */ 5051 if (sata_hba_start(spx, &rval) != 0) { 5052 /* Pkt not accepted for execution */ 5053 mutex_exit(&SATA_CPORT_MUTEX(sata_hba_inst, cport)); 5054 return (rval); 5055 } 5056 5057 mutex_exit(&SATA_CPORT_MUTEX(sata_hba_inst, cport)); 5058 5059 /* Then we need synchronous check the status of the disk */ 5060 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5061 STATE_SENT_CMD | STATE_XFERRED_DATA | STATE_GOT_STATUS; 5062 if (sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) { 5063 scsipkt->pkt_reason = CMD_CMPLT; 5064 5065 /* Download commmand succeed, so probe and identify device */ 5066 sata_reidentify_device(spx); 5067 } else { 5068 /* Something went wrong, microcode download command failed */ 5069 scsipkt->pkt_reason = CMD_INCOMPLETE; 5070 *scsipkt->pkt_scbp = STATUS_CHECK; 5071 sense = sata_arq_sense(spx); 5072 switch (sata_pkt->satapkt_reason) { 5073 case SATA_PKT_PORT_ERROR: 5074 /* 5075 * We have no device data. Assume no data transfered. 5076 */ 5077 sense->es_key = KEY_HARDWARE_ERROR; 5078 break; 5079 5080 case SATA_PKT_DEV_ERROR: 5081 if (sata_pkt->satapkt_cmd.satacmd_status_reg & 5082 SATA_STATUS_ERR) { 5083 /* 5084 * determine dev error reason from error 5085 * reg content 5086 */ 5087 sata_decode_device_error(spx, sense); 5088 break; 5089 } 5090 /* No extended sense key - no info available */ 5091 break; 5092 5093 case SATA_PKT_TIMEOUT: 5094 scsipkt->pkt_reason = CMD_TIMEOUT; 5095 scsipkt->pkt_statistics |= 5096 STAT_TIMEOUT | STAT_DEV_RESET; 5097 /* No extended sense key ? */ 5098 break; 5099 5100 case SATA_PKT_ABORTED: 5101 scsipkt->pkt_reason = CMD_ABORTED; 5102 scsipkt->pkt_statistics |= STAT_ABORTED; 5103 /* No extended sense key ? */ 5104 break; 5105 5106 case SATA_PKT_RESET: 5107 /* pkt aborted by an explicit reset from a host */ 5108 scsipkt->pkt_reason = CMD_RESET; 5109 scsipkt->pkt_statistics |= STAT_DEV_RESET; 5110 break; 5111 5112 default: 5113 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 5114 "sata_txlt_nodata_cmd_completion: " 5115 "invalid packet completion reason %d", 5116 sata_pkt->satapkt_reason)); 5117 scsipkt->pkt_reason = CMD_TRAN_ERR; 5118 break; 5119 } 5120 5121 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5122 "scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 5123 5124 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0) 5125 /* scsi callback required */ 5126 scsi_hba_pkt_comp(scsipkt); 5127 } 5128 return (TRAN_ACCEPT); 5129 5130 bad_param: 5131 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 5132 *scsipkt->pkt_scbp = STATUS_CHECK; 5133 sense = sata_arq_sense(spx); 5134 sense->es_key = KEY_ILLEGAL_REQUEST; 5135 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 5136 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 5137 scsipkt->pkt_comp != NULL) { 5138 /* scsi callback required */ 5139 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 5140 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 5141 TQ_SLEEP) == 0) { 5142 /* Scheduling the callback failed */ 5143 rval = TRAN_BUSY; 5144 } 5145 } 5146 return (rval); 5147 } 5148 5149 /* 5150 * Re-identify device after doing a firmware download. 5151 */ 5152 static void 5153 sata_reidentify_device(sata_pkt_txlate_t *spx) 5154 { 5155 #define DOWNLOAD_WAIT_TIME_SECS 60 5156 #define DOWNLOAD_WAIT_INTERVAL_SECS 1 5157 int rval; 5158 int retry_cnt; 5159 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5160 sata_hba_inst_t *sata_hba_inst = spx->txlt_sata_hba_inst; 5161 sata_device_t sata_device = spx->txlt_sata_pkt->satapkt_device; 5162 sata_drive_info_t *sdinfo; 5163 5164 /* 5165 * Before returning good status, probe device. 5166 * Device probing will get IDENTIFY DEVICE data, if possible. 5167 * The assumption is that the new microcode is applied by the 5168 * device. It is a caller responsibility to verify this. 5169 */ 5170 for (retry_cnt = 0; 5171 retry_cnt < DOWNLOAD_WAIT_TIME_SECS / DOWNLOAD_WAIT_INTERVAL_SECS; 5172 retry_cnt++) { 5173 rval = sata_probe_device(sata_hba_inst, &sata_device); 5174 5175 if (rval == SATA_SUCCESS) { /* Set default features */ 5176 sdinfo = sata_get_device_info(sata_hba_inst, 5177 &sata_device); 5178 if (sata_initialize_device(sata_hba_inst, sdinfo) != 5179 SATA_SUCCESS) { 5180 /* retry */ 5181 rval = sata_initialize_device(sata_hba_inst, 5182 sdinfo); 5183 if (rval == SATA_RETRY) 5184 sata_log(sata_hba_inst, CE_WARN, 5185 "SATA device at port %d pmport %d -" 5186 " default device features could not" 5187 " be set. Device may not operate " 5188 "as expected.", 5189 sata_device.satadev_addr.cport, 5190 sata_device.satadev_addr.pmport); 5191 } 5192 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0) 5193 scsi_hba_pkt_comp(scsipkt); 5194 return; 5195 } else if (rval == SATA_RETRY) { 5196 delay(drv_usectohz(1000000 * 5197 DOWNLOAD_WAIT_INTERVAL_SECS)); 5198 continue; 5199 } else /* failed - no reason to retry */ 5200 break; 5201 } 5202 5203 /* 5204 * Something went wrong, device probing failed. 5205 */ 5206 SATA_LOG_D((sata_hba_inst, CE_WARN, 5207 "Cannot probe device after downloading microcode\n")); 5208 5209 /* Reset device to force retrying the probe. */ 5210 (void) (*SATA_RESET_DPORT_FUNC(sata_hba_inst)) 5211 (SATA_DIP(sata_hba_inst), &sata_device); 5212 5213 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0) 5214 scsi_hba_pkt_comp(scsipkt); 5215 } 5216 5217 5218 /* 5219 * Translate command: Synchronize Cache. 5220 * Translates into Flush Cache command for SATA hard disks. 5221 * 5222 * Returns TRAN_ACCEPT or code returned by sata_hba_start() and 5223 * appropriate values in scsi_pkt fields. 5224 */ 5225 static int 5226 sata_txlt_synchronize_cache(sata_pkt_txlate_t *spx) 5227 { 5228 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 5229 sata_hba_inst_t *shi = SATA_TXLT_HBA_INST(spx); 5230 int cport = SATA_TXLT_CPORT(spx); 5231 int rval, reason; 5232 int synch; 5233 5234 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 5235 5236 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 5237 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 5238 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 5239 return (rval); 5240 } 5241 5242 scmd->satacmd_addr_type = 0; 5243 scmd->satacmd_cmd_reg = SATAC_FLUSH_CACHE; 5244 scmd->satacmd_device_reg = 0; 5245 scmd->satacmd_sec_count_lsb = 0; 5246 scmd->satacmd_lba_low_lsb = 0; 5247 scmd->satacmd_lba_mid_lsb = 0; 5248 scmd->satacmd_lba_high_lsb = 0; 5249 scmd->satacmd_features_reg = 0; 5250 scmd->satacmd_status_reg = 0; 5251 scmd->satacmd_error_reg = 0; 5252 5253 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5254 "sata_txlt_synchronize_cache\n", NULL); 5255 5256 if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { 5257 /* Need to set-up a callback function */ 5258 spx->txlt_sata_pkt->satapkt_comp = 5259 sata_txlt_nodata_cmd_completion; 5260 synch = FALSE; 5261 } else 5262 synch = TRUE; 5263 5264 /* Transfer command to HBA */ 5265 if (sata_hba_start(spx, &rval) != 0) { 5266 /* Pkt not accepted for execution */ 5267 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 5268 return (rval); 5269 } 5270 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 5271 5272 /* 5273 * If execution non-synchronous, it had to be completed 5274 * a callback function will handle potential errors, translate 5275 * the response and will do a callback to a target driver. 5276 * If it was synchronous, check status, using the same 5277 * framework callback. 5278 */ 5279 if (synch) { 5280 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5281 "synchronous execution status %x\n", 5282 spx->txlt_sata_pkt->satapkt_reason); 5283 sata_txlt_nodata_cmd_completion(spx->txlt_sata_pkt); 5284 } 5285 return (TRAN_ACCEPT); 5286 } 5287 5288 5289 /* 5290 * Send pkt to SATA HBA driver 5291 * 5292 * This function may be called only if the operation is requested by scsi_pkt, 5293 * i.e. scsi_pkt is not NULL. 5294 * 5295 * This function has to be called with cport mutex held. It does release 5296 * the mutex when it calls HBA driver sata_tran_start function and 5297 * re-acquires it afterwards. 5298 * 5299 * If return value is 0, pkt was accepted, -1 otherwise 5300 * rval is set to appropriate sata_scsi_start return value. 5301 * 5302 * Note 1:If HBA driver returns value other than TRAN_ACCEPT, it should not 5303 * have called the sata_pkt callback function for this packet. 5304 * 5305 * The scsi callback has to be performed by the caller of this routine. 5306 * 5307 * Note 2: No port multiplier support for now. 5308 */ 5309 static int 5310 sata_hba_start(sata_pkt_txlate_t *spx, int *rval) 5311 { 5312 int stat, cport; 5313 sata_hba_inst_t *sata_hba_inst = spx->txlt_sata_hba_inst; 5314 sata_drive_info_t *sdinfo; 5315 sata_device_t *sata_device; 5316 uint8_t cmd; 5317 struct sata_cmd_flags cmd_flags; 5318 5319 ASSERT(spx->txlt_sata_pkt != NULL); 5320 5321 cport = SATA_TXLT_CPORT(spx); 5322 ASSERT(mutex_owned(&SATA_CPORT_MUTEX(sata_hba_inst, cport))); 5323 5324 sdinfo = sata_get_device_info(sata_hba_inst, 5325 &spx->txlt_sata_pkt->satapkt_device); 5326 ASSERT(sdinfo != NULL); 5327 5328 /* Clear device reset state? */ 5329 if (sdinfo->satadrv_event_flags & SATA_EVNT_CLEAR_DEVICE_RESET) { 5330 spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags. 5331 sata_clear_dev_reset = B_TRUE; 5332 sdinfo->satadrv_event_flags &= ~SATA_EVNT_CLEAR_DEVICE_RESET; 5333 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 5334 "sata_hba_start: clearing device reset state\n", NULL); 5335 } 5336 cmd = spx->txlt_sata_pkt->satapkt_cmd.satacmd_cmd_reg; 5337 cmd_flags = spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags; 5338 sata_device = &spx->txlt_sata_pkt->satapkt_device; 5339 5340 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 5341 5342 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5343 "Sata cmd 0x%2x\n", cmd); 5344 5345 stat = (*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), 5346 spx->txlt_sata_pkt); 5347 5348 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 5349 /* 5350 * If sata pkt was accepted and executed in asynchronous mode, i.e. 5351 * with the sata callback, the sata_pkt could be already destroyed 5352 * by the time we check ther return status from the hba_start() 5353 * function, because sata_scsi_destroy_pkt() could have been already 5354 * called (perhaps in the interrupt context). So, in such case, there 5355 * should be no references to it. In other cases, sata_pkt still 5356 * exists. 5357 */ 5358 if (stat == SATA_TRAN_ACCEPTED) { 5359 /* 5360 * pkt accepted for execution. 5361 * If it was executed synchronously, it is already completed 5362 * and pkt completion_reason indicates completion status. 5363 */ 5364 *rval = TRAN_ACCEPT; 5365 return (0); 5366 } 5367 5368 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 5369 switch (stat) { 5370 case SATA_TRAN_QUEUE_FULL: 5371 /* 5372 * Controller detected queue full condition. 5373 */ 5374 SATADBG1(SATA_DBG_HBA_IF, sata_hba_inst, 5375 "sata_hba_start: queue full\n", NULL); 5376 5377 spx->txlt_scsi_pkt->pkt_reason = CMD_INCOMPLETE; 5378 *spx->txlt_scsi_pkt->pkt_scbp = STATUS_QFULL; 5379 5380 *rval = TRAN_BUSY; 5381 break; 5382 5383 case SATA_TRAN_PORT_ERROR: 5384 /* 5385 * Communication/link with device or general port error 5386 * detected before pkt execution begun. 5387 */ 5388 if (spx->txlt_sata_pkt->satapkt_device.satadev_addr.qual == 5389 SATA_ADDR_CPORT || 5390 spx->txlt_sata_pkt->satapkt_device.satadev_addr.qual == 5391 SATA_ADDR_DCPORT) 5392 sata_log(sata_hba_inst, CE_CONT, 5393 "SATA port %d error", 5394 sata_device->satadev_addr.cport); 5395 else 5396 sata_log(sata_hba_inst, CE_CONT, 5397 "SATA port %d pmport %d error\n", 5398 sata_device->satadev_addr.cport, 5399 sata_device->satadev_addr.pmport); 5400 5401 /* 5402 * Update the port/device structure. 5403 * sata_pkt should be still valid. Since port error is 5404 * returned, sata_device content should reflect port 5405 * state - it means, that sata address have been changed, 5406 * because original packet's sata address refered to a device 5407 * attached to some port. 5408 */ 5409 sata_update_port_info(sata_hba_inst, sata_device); 5410 spx->txlt_scsi_pkt->pkt_reason = CMD_TRAN_ERR; 5411 *rval = TRAN_FATAL_ERROR; 5412 break; 5413 5414 case SATA_TRAN_CMD_UNSUPPORTED: 5415 /* 5416 * Command rejected by HBA as unsupported. It was HBA driver 5417 * that rejected the command, command was not sent to 5418 * an attached device. 5419 */ 5420 if ((sdinfo != NULL) && 5421 (sdinfo->satadrv_state & SATA_DSTATE_RESET)) 5422 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 5423 "sat_hba_start: cmd 0x%2x rejected " 5424 "with SATA_TRAN_CMD_UNSUPPORTED status\n", cmd); 5425 5426 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 5427 (void) sata_txlt_invalid_command(spx); 5428 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 5429 5430 *rval = TRAN_ACCEPT; 5431 break; 5432 5433 case SATA_TRAN_BUSY: 5434 /* 5435 * Command rejected by HBA because other operation prevents 5436 * accepting the packet, or device is in RESET condition. 5437 */ 5438 if (sdinfo != NULL) { 5439 sdinfo->satadrv_state = 5440 spx->txlt_sata_pkt->satapkt_device.satadev_state; 5441 5442 if (sdinfo->satadrv_state & SATA_DSTATE_RESET) { 5443 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 5444 "sata_hba_start: cmd 0x%2x rejected " 5445 "because of device reset condition\n", 5446 cmd); 5447 } else { 5448 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 5449 "sata_hba_start: cmd 0x%2x rejected " 5450 "with SATA_TRAN_BUSY status\n", 5451 cmd); 5452 } 5453 } 5454 spx->txlt_scsi_pkt->pkt_reason = CMD_INCOMPLETE; 5455 *rval = TRAN_BUSY; 5456 break; 5457 5458 default: 5459 /* Unrecognized HBA response */ 5460 SATA_LOG_D((sata_hba_inst, CE_WARN, 5461 "sata_hba_start: unrecognized HBA response " 5462 "to cmd : 0x%2x resp 0x%x", cmd, rval)); 5463 spx->txlt_scsi_pkt->pkt_reason = CMD_TRAN_ERR; 5464 *rval = TRAN_FATAL_ERROR; 5465 break; 5466 } 5467 5468 /* 5469 * If we got here, the packet was rejected. 5470 * Check if we need to remember reset state clearing request 5471 */ 5472 if (cmd_flags.sata_clear_dev_reset) { 5473 /* 5474 * Check if device is still configured - it may have 5475 * disapeared from the configuration 5476 */ 5477 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 5478 if (sdinfo != NULL) { 5479 /* 5480 * Restore the flag that requests clearing of 5481 * the device reset state, 5482 * so the next sata packet may carry it to HBA. 5483 */ 5484 sdinfo->satadrv_event_flags |= 5485 SATA_EVNT_CLEAR_DEVICE_RESET; 5486 } 5487 } 5488 return (-1); 5489 } 5490 5491 /* 5492 * Scsi response setup for invalid LBA 5493 * 5494 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 5495 */ 5496 static int 5497 sata_txlt_lba_out_of_range(sata_pkt_txlate_t *spx) 5498 { 5499 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5500 struct scsi_extended_sense *sense; 5501 5502 scsipkt->pkt_reason = CMD_CMPLT; 5503 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5504 STATE_SENT_CMD | STATE_GOT_STATUS; 5505 *scsipkt->pkt_scbp = STATUS_CHECK; 5506 5507 *scsipkt->pkt_scbp = STATUS_CHECK; 5508 sense = sata_arq_sense(spx); 5509 sense->es_key = KEY_ILLEGAL_REQUEST; 5510 sense->es_add_code = SD_SCSI_ASC_LBA_OUT_OF_RANGE; 5511 5512 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5513 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 5514 5515 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 5516 scsipkt->pkt_comp != NULL) 5517 /* scsi callback required */ 5518 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 5519 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 5520 TQ_SLEEP) == NULL) 5521 /* Scheduling the callback failed */ 5522 return (TRAN_BUSY); 5523 return (TRAN_ACCEPT); 5524 } 5525 5526 5527 /* 5528 * Analyze device status and error registers and translate them into 5529 * appropriate scsi sense codes. 5530 * NOTE: non-packet commands only for now 5531 */ 5532 static void 5533 sata_decode_device_error(sata_pkt_txlate_t *spx, 5534 struct scsi_extended_sense *sense) 5535 { 5536 uint8_t err_reg = spx->txlt_sata_pkt->satapkt_cmd.satacmd_error_reg; 5537 5538 ASSERT(sense != NULL); 5539 ASSERT(spx->txlt_sata_pkt->satapkt_cmd.satacmd_status_reg & 5540 SATA_STATUS_ERR); 5541 5542 5543 if (err_reg & SATA_ERROR_ICRC) { 5544 sense->es_key = KEY_ABORTED_COMMAND; 5545 sense->es_add_code = 0x08; /* Communication failure */ 5546 return; 5547 } 5548 5549 if (err_reg & SATA_ERROR_UNC) { 5550 sense->es_key = KEY_MEDIUM_ERROR; 5551 /* Information bytes (LBA) need to be set by a caller */ 5552 return; 5553 } 5554 5555 /* ADD HERE: MC error bit handling for ATAPI CD/DVD */ 5556 if (err_reg & (SATA_ERROR_MCR | SATA_ERROR_NM)) { 5557 sense->es_key = KEY_UNIT_ATTENTION; 5558 sense->es_add_code = 0x3a; /* No media present */ 5559 return; 5560 } 5561 5562 if (err_reg & SATA_ERROR_IDNF) { 5563 if (err_reg & SATA_ERROR_ABORT) { 5564 sense->es_key = KEY_ABORTED_COMMAND; 5565 } else { 5566 sense->es_key = KEY_ILLEGAL_REQUEST; 5567 sense->es_add_code = 0x21; /* LBA out of range */ 5568 } 5569 return; 5570 } 5571 5572 if (err_reg & SATA_ERROR_ABORT) { 5573 ASSERT(spx->txlt_sata_pkt != NULL); 5574 sense->es_key = KEY_ABORTED_COMMAND; 5575 return; 5576 } 5577 } 5578 5579 /* 5580 * Extract error LBA from sata_pkt.satapkt_cmd register fields 5581 */ 5582 static void 5583 sata_extract_error_lba(sata_pkt_txlate_t *spx, uint64_t *lba) 5584 { 5585 sata_cmd_t *sata_cmd = &spx->txlt_sata_pkt->satapkt_cmd; 5586 5587 *lba = 0; 5588 if (sata_cmd->satacmd_addr_type == ATA_ADDR_LBA48) { 5589 *lba = sata_cmd->satacmd_lba_high_msb; 5590 *lba = (*lba << 8) | sata_cmd->satacmd_lba_mid_msb; 5591 *lba = (*lba << 8) | sata_cmd->satacmd_lba_low_msb; 5592 } else if (sata_cmd->satacmd_addr_type == ATA_ADDR_LBA28) { 5593 *lba = sata_cmd->satacmd_device_reg & 0xf; 5594 } 5595 *lba = (*lba << 8) | sata_cmd->satacmd_lba_high_lsb; 5596 *lba = (*lba << 8) | sata_cmd->satacmd_lba_mid_lsb; 5597 *lba = (*lba << 8) | sata_cmd->satacmd_lba_low_lsb; 5598 } 5599 5600 /* 5601 * This is fixed sense format - if LBA exceeds the info field size, 5602 * no valid info will be returned (valid bit in extended sense will 5603 * be set to 0). 5604 */ 5605 static struct scsi_extended_sense * 5606 sata_arq_sense(sata_pkt_txlate_t *spx) 5607 { 5608 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5609 struct scsi_arq_status *arqs; 5610 struct scsi_extended_sense *sense; 5611 5612 /* Fill ARQ sense data */ 5613 scsipkt->pkt_state |= STATE_ARQ_DONE; 5614 arqs = (struct scsi_arq_status *)scsipkt->pkt_scbp; 5615 *(uchar_t *)&arqs->sts_status = STATUS_CHECK; 5616 *(uchar_t *)&arqs->sts_rqpkt_status = STATUS_GOOD; 5617 arqs->sts_rqpkt_reason = CMD_CMPLT; 5618 arqs->sts_rqpkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5619 STATE_XFERRED_DATA | STATE_SENT_CMD | STATE_GOT_STATUS; 5620 arqs->sts_rqpkt_resid = 0; 5621 sense = &arqs->sts_sensedata; 5622 bzero(sense, sizeof (struct scsi_extended_sense)); 5623 sata_fixed_sense_data_preset(sense); 5624 return (sense); 5625 } 5626 5627 5628 /* 5629 * Emulated SATA Read/Write command completion for zero-length requests. 5630 * This request always succedes, so in synchronous mode it always returns 5631 * TRAN_ACCEPT, and in non-synchronous mode it may return TRAN_BUSY if the 5632 * callback cannot be scheduled. 5633 */ 5634 static int 5635 sata_emul_rw_completion(sata_pkt_txlate_t *spx) 5636 { 5637 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5638 5639 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5640 STATE_SENT_CMD | STATE_GOT_STATUS; 5641 scsipkt->pkt_reason = CMD_CMPLT; 5642 *scsipkt->pkt_scbp = STATUS_GOOD; 5643 if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { 5644 /* scsi callback required - have to schedule it */ 5645 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 5646 (task_func_t *)scsipkt->pkt_comp, 5647 (void *)scsipkt, TQ_SLEEP) == NULL) 5648 /* Scheduling the callback failed */ 5649 return (TRAN_BUSY); 5650 } 5651 return (TRAN_ACCEPT); 5652 } 5653 5654 5655 /* 5656 * Translate completion status of SATA read/write commands into scsi response. 5657 * pkt completion_reason is checked to determine the completion status. 5658 * Do scsi callback if necessary. 5659 * 5660 * Note: this function may be called also for synchronously executed 5661 * commands. 5662 * This function may be used only if scsi_pkt is non-NULL. 5663 */ 5664 static void 5665 sata_txlt_rw_completion(sata_pkt_t *sata_pkt) 5666 { 5667 sata_pkt_txlate_t *spx = 5668 (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; 5669 sata_cmd_t *scmd = &sata_pkt->satapkt_cmd; 5670 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5671 struct scsi_extended_sense *sense; 5672 uint64_t lba; 5673 struct buf *bp; 5674 int rval; 5675 if (sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) { 5676 /* Normal completion */ 5677 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5678 STATE_SENT_CMD | STATE_XFERRED_DATA | STATE_GOT_STATUS; 5679 scsipkt->pkt_reason = CMD_CMPLT; 5680 *scsipkt->pkt_scbp = STATUS_GOOD; 5681 if (spx->txlt_tmp_buf != NULL) { 5682 /* Temporary buffer was used */ 5683 bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 5684 if (bp->b_flags & B_READ) { 5685 rval = ddi_dma_sync( 5686 spx->txlt_buf_dma_handle, 0, 0, 5687 DDI_DMA_SYNC_FORCPU); 5688 ASSERT(rval == DDI_SUCCESS); 5689 bcopy(spx->txlt_tmp_buf, bp->b_un.b_addr, 5690 bp->b_bcount); 5691 } 5692 } 5693 } else { 5694 /* 5695 * Something went wrong - analyze return 5696 */ 5697 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5698 STATE_SENT_CMD | STATE_GOT_STATUS; 5699 scsipkt->pkt_reason = CMD_INCOMPLETE; 5700 *scsipkt->pkt_scbp = STATUS_CHECK; 5701 sense = sata_arq_sense(spx); 5702 ASSERT(sense != NULL); 5703 5704 /* 5705 * SATA_PKT_DEV_ERROR is the only case where we may be able to 5706 * extract from device registers the failing LBA. 5707 */ 5708 if (sata_pkt->satapkt_reason == SATA_PKT_DEV_ERROR) { 5709 if ((scmd->satacmd_addr_type == ATA_ADDR_LBA48) && 5710 (scmd->satacmd_lba_mid_msb != 0 || 5711 scmd->satacmd_lba_high_msb != 0)) { 5712 /* 5713 * We have problem reporting this cmd LBA 5714 * in fixed sense data format, because of 5715 * the size of the scsi LBA fields. 5716 */ 5717 sense->es_valid = 0; 5718 } else { 5719 sata_extract_error_lba(spx, &lba); 5720 sense->es_info_1 = (lba & 0xFF000000) >> 24; 5721 sense->es_info_2 = (lba & 0xFF0000) >> 16; 5722 sense->es_info_3 = (lba & 0xFF00) >> 8; 5723 sense->es_info_4 = lba & 0xFF; 5724 } 5725 } else { 5726 /* Invalid extended sense info */ 5727 sense->es_valid = 0; 5728 } 5729 5730 switch (sata_pkt->satapkt_reason) { 5731 case SATA_PKT_PORT_ERROR: 5732 /* We may want to handle DEV GONE state as well */ 5733 /* 5734 * We have no device data. Assume no data transfered. 5735 */ 5736 sense->es_key = KEY_HARDWARE_ERROR; 5737 break; 5738 5739 case SATA_PKT_DEV_ERROR: 5740 if (sata_pkt->satapkt_cmd.satacmd_status_reg & 5741 SATA_STATUS_ERR) { 5742 /* 5743 * determine dev error reason from error 5744 * reg content 5745 */ 5746 sata_decode_device_error(spx, sense); 5747 if (sense->es_key == KEY_MEDIUM_ERROR) { 5748 switch (scmd->satacmd_cmd_reg) { 5749 case SATAC_READ_DMA: 5750 case SATAC_READ_DMA_EXT: 5751 case SATAC_READ_DMA_QUEUED: 5752 case SATAC_READ_DMA_QUEUED_EXT: 5753 case SATAC_READ_FPDMA_QUEUED: 5754 /* Unrecovered read error */ 5755 sense->es_add_code = 5756 SD_SCSI_ASC_UNREC_READ_ERR; 5757 break; 5758 case SATAC_WRITE_DMA: 5759 case SATAC_WRITE_DMA_EXT: 5760 case SATAC_WRITE_DMA_QUEUED: 5761 case SATAC_WRITE_DMA_QUEUED_EXT: 5762 case SATAC_WRITE_FPDMA_QUEUED: 5763 /* Write error */ 5764 sense->es_add_code = 5765 SD_SCSI_ASC_WRITE_ERR; 5766 break; 5767 default: 5768 /* Internal error */ 5769 SATA_LOG_D(( 5770 spx->txlt_sata_hba_inst, 5771 CE_WARN, 5772 "sata_txlt_rw_completion :" 5773 "internal error - invalid " 5774 "command 0x%2x", 5775 scmd->satacmd_cmd_reg)); 5776 break; 5777 } 5778 } 5779 break; 5780 } 5781 /* No extended sense key - no info available */ 5782 scsipkt->pkt_reason = CMD_INCOMPLETE; 5783 break; 5784 5785 case SATA_PKT_TIMEOUT: 5786 scsipkt->pkt_reason = CMD_TIMEOUT; 5787 scsipkt->pkt_statistics |= 5788 STAT_TIMEOUT | STAT_DEV_RESET; 5789 sense->es_key = KEY_ABORTED_COMMAND; 5790 break; 5791 5792 case SATA_PKT_ABORTED: 5793 scsipkt->pkt_reason = CMD_ABORTED; 5794 scsipkt->pkt_statistics |= STAT_ABORTED; 5795 sense->es_key = KEY_ABORTED_COMMAND; 5796 break; 5797 5798 case SATA_PKT_RESET: 5799 scsipkt->pkt_reason = CMD_RESET; 5800 scsipkt->pkt_statistics |= STAT_DEV_RESET; 5801 sense->es_key = KEY_ABORTED_COMMAND; 5802 break; 5803 5804 default: 5805 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 5806 "sata_txlt_rw_completion: " 5807 "invalid packet completion reason")); 5808 scsipkt->pkt_reason = CMD_TRAN_ERR; 5809 break; 5810 } 5811 } 5812 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5813 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 5814 5815 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0) 5816 /* scsi callback required */ 5817 scsi_hba_pkt_comp(scsipkt); 5818 } 5819 5820 5821 /* 5822 * Translate completion status of non-data commands (i.e. commands returning 5823 * no data). 5824 * pkt completion_reason is checked to determine the completion status. 5825 * Do scsi callback if necessary (FLAG_NOINTR == 0) 5826 * 5827 * Note: this function may be called also for synchronously executed 5828 * commands. 5829 * This function may be used only if scsi_pkt is non-NULL. 5830 */ 5831 5832 static void 5833 sata_txlt_nodata_cmd_completion(sata_pkt_t *sata_pkt) 5834 { 5835 sata_pkt_txlate_t *spx = 5836 (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; 5837 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5838 struct scsi_extended_sense *sense; 5839 5840 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5841 STATE_SENT_CMD | STATE_GOT_STATUS; 5842 if (sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) { 5843 /* Normal completion */ 5844 scsipkt->pkt_reason = CMD_CMPLT; 5845 *scsipkt->pkt_scbp = STATUS_GOOD; 5846 } else { 5847 /* Something went wrong */ 5848 scsipkt->pkt_reason = CMD_INCOMPLETE; 5849 *scsipkt->pkt_scbp = STATUS_CHECK; 5850 sense = sata_arq_sense(spx); 5851 switch (sata_pkt->satapkt_reason) { 5852 case SATA_PKT_PORT_ERROR: 5853 /* 5854 * We have no device data. Assume no data transfered. 5855 */ 5856 sense->es_key = KEY_HARDWARE_ERROR; 5857 break; 5858 5859 case SATA_PKT_DEV_ERROR: 5860 if (sata_pkt->satapkt_cmd.satacmd_status_reg & 5861 SATA_STATUS_ERR) { 5862 /* 5863 * determine dev error reason from error 5864 * reg content 5865 */ 5866 sata_decode_device_error(spx, sense); 5867 break; 5868 } 5869 /* No extended sense key - no info available */ 5870 break; 5871 5872 case SATA_PKT_TIMEOUT: 5873 scsipkt->pkt_reason = CMD_TIMEOUT; 5874 scsipkt->pkt_statistics |= 5875 STAT_TIMEOUT | STAT_DEV_RESET; 5876 /* No extended sense key ? */ 5877 break; 5878 5879 case SATA_PKT_ABORTED: 5880 scsipkt->pkt_reason = CMD_ABORTED; 5881 scsipkt->pkt_statistics |= STAT_ABORTED; 5882 /* No extended sense key ? */ 5883 break; 5884 5885 case SATA_PKT_RESET: 5886 /* pkt aborted by an explicit reset from a host */ 5887 scsipkt->pkt_reason = CMD_RESET; 5888 scsipkt->pkt_statistics |= STAT_DEV_RESET; 5889 break; 5890 5891 default: 5892 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 5893 "sata_txlt_nodata_cmd_completion: " 5894 "invalid packet completion reason %d", 5895 sata_pkt->satapkt_reason)); 5896 scsipkt->pkt_reason = CMD_TRAN_ERR; 5897 break; 5898 } 5899 5900 } 5901 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5902 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 5903 5904 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0) 5905 /* scsi callback required */ 5906 scsi_hba_pkt_comp(scsipkt); 5907 } 5908 5909 5910 /* 5911 * Build Mode sense R/W recovery page 5912 * NOT IMPLEMENTED 5913 */ 5914 5915 static int 5916 sata_build_msense_page_1(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) 5917 { 5918 #ifndef __lock_lint 5919 _NOTE(ARGUNUSED(sdinfo)) 5920 _NOTE(ARGUNUSED(pcntrl)) 5921 _NOTE(ARGUNUSED(buf)) 5922 #endif 5923 return (0); 5924 } 5925 5926 /* 5927 * Build Mode sense caching page - scsi-3 implementation. 5928 * Page length distinguishes previous format from scsi-3 format. 5929 * buf must have space for 0x12 bytes. 5930 * Only DRA (disable read ahead ) and WCE (write cache enable) are changeable. 5931 * 5932 */ 5933 static int 5934 sata_build_msense_page_8(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) 5935 { 5936 struct mode_cache_scsi3 *page = (struct mode_cache_scsi3 *)buf; 5937 sata_id_t *sata_id = &sdinfo->satadrv_id; 5938 5939 /* 5940 * Most of the fields are set to 0, being not supported and/or disabled 5941 */ 5942 bzero(buf, PAGELENGTH_DAD_MODE_CACHE_SCSI3); 5943 5944 /* Saved paramters not supported */ 5945 if (pcntrl == 3) 5946 return (0); 5947 if (pcntrl == 0 || pcntrl == 2) { 5948 /* 5949 * For now treat current and default parameters as same 5950 * That may have to change, if target driver will complain 5951 */ 5952 page->mode_page.code = MODEPAGE_CACHING; /* PS = 0 */ 5953 page->mode_page.length = PAGELENGTH_DAD_MODE_CACHE_SCSI3; 5954 5955 if (SATA_READ_AHEAD_SUPPORTED(*sata_id) && 5956 !SATA_READ_AHEAD_ENABLED(*sata_id)) { 5957 page->dra = 1; /* Read Ahead disabled */ 5958 page->rcd = 1; /* Read Cache disabled */ 5959 } 5960 if (SATA_WRITE_CACHE_SUPPORTED(*sata_id) && 5961 SATA_WRITE_CACHE_ENABLED(*sata_id)) 5962 page->wce = 1; /* Write Cache enabled */ 5963 } else { 5964 /* Changeable parameters */ 5965 page->mode_page.code = MODEPAGE_CACHING; 5966 page->mode_page.length = PAGELENGTH_DAD_MODE_CACHE_SCSI3; 5967 if (SATA_READ_AHEAD_SUPPORTED(*sata_id)) { 5968 page->dra = 1; 5969 page->rcd = 1; 5970 } 5971 if (SATA_WRITE_CACHE_SUPPORTED(*sata_id)) 5972 page->wce = 1; 5973 } 5974 return (PAGELENGTH_DAD_MODE_CACHE_SCSI3 + 5975 sizeof (struct mode_page)); 5976 } 5977 5978 /* 5979 * Build Mode sense exception cntrl page 5980 */ 5981 static int 5982 sata_build_msense_page_1c(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) 5983 { 5984 struct mode_info_excpt_page *page = (struct mode_info_excpt_page *)buf; 5985 sata_id_t *sata_id = &sdinfo->satadrv_id; 5986 5987 /* 5988 * Most of the fields are set to 0, being not supported and/or disabled 5989 */ 5990 bzero(buf, PAGELENGTH_INFO_EXCPT); 5991 5992 page->mode_page.code = MODEPAGE_INFO_EXCPT; 5993 page->mode_page.length = PAGELENGTH_INFO_EXCPT; 5994 5995 /* Indicate that this is page is saveable */ 5996 page->mode_page.ps = 1; 5997 5998 /* 5999 * We will return the same data for default, current and saved page. 6000 * The only changeable bit is dexcpt and that bit is required 6001 * by the ATA specification to be preserved across power cycles. 6002 */ 6003 if (pcntrl != 1) { 6004 page->dexcpt = !(sata_id->ai_features85 & SATA_SMART_SUPPORTED); 6005 page->mrie = MRIE_ONLY_ON_REQUEST; 6006 } 6007 else 6008 page->dexcpt = 1; /* Only changeable parameter */ 6009 6010 return (PAGELENGTH_INFO_EXCPT + sizeof (struct mode_info_excpt_page)); 6011 } 6012 6013 6014 static int 6015 sata_build_msense_page_30(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) 6016 { 6017 struct mode_acoustic_management *page = 6018 (struct mode_acoustic_management *)buf; 6019 sata_id_t *sata_id = &sdinfo->satadrv_id; 6020 6021 /* 6022 * Most of the fields are set to 0, being not supported and/or disabled 6023 */ 6024 bzero(buf, PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT); 6025 6026 switch (pcntrl) { 6027 case P_CNTRL_DEFAULT: 6028 /* default paramters not supported */ 6029 return (0); 6030 6031 case P_CNTRL_CURRENT: 6032 case P_CNTRL_SAVED: 6033 /* Saved and current are supported and are identical */ 6034 page->mode_page.code = MODEPAGE_ACOUSTIC_MANAG; 6035 page->mode_page.length = 6036 PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT; 6037 page->mode_page.ps = 1; 6038 6039 /* Word 83 indicates if feature is supported */ 6040 /* If feature is not supported */ 6041 if (!(sata_id->ai_cmdset83 & SATA_ACOUSTIC_MGMT)) { 6042 page->acoustic_manag_enable = 6043 ACOUSTIC_DISABLED; 6044 } else { 6045 page->acoustic_manag_enable = 6046 ((sata_id->ai_features86 & SATA_ACOUSTIC_MGMT) 6047 != 0); 6048 /* Word 94 inidicates the value */ 6049 #ifdef _LITTLE_ENDIAN 6050 page->acoustic_manag_level = 6051 (uchar_t)sata_id->ai_acoustic; 6052 page->vendor_recommended_value = 6053 sata_id->ai_acoustic >> 8; 6054 #else 6055 page->acoustic_manag_level = 6056 sata_id->ai_acoustic >> 8; 6057 page->vendor_recommended_value = 6058 (uchar_t)sata_id->ai_acoustic; 6059 #endif 6060 } 6061 break; 6062 6063 case P_CNTRL_CHANGEABLE: 6064 page->mode_page.code = MODEPAGE_ACOUSTIC_MANAG; 6065 page->mode_page.length = 6066 PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT; 6067 page->mode_page.ps = 1; 6068 6069 /* Word 83 indicates if the feature is supported */ 6070 if (sata_id->ai_cmdset83 & SATA_ACOUSTIC_MGMT) { 6071 page->acoustic_manag_enable = 6072 ACOUSTIC_ENABLED; 6073 page->acoustic_manag_level = 0xff; 6074 } 6075 break; 6076 } 6077 return (PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT + 6078 sizeof (struct mode_page)); 6079 } 6080 6081 6082 /* 6083 * Build Mode sense power condition page 6084 * NOT IMPLEMENTED. 6085 */ 6086 static int 6087 sata_build_msense_page_1a(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) 6088 { 6089 #ifndef __lock_lint 6090 _NOTE(ARGUNUSED(sdinfo)) 6091 _NOTE(ARGUNUSED(pcntrl)) 6092 _NOTE(ARGUNUSED(buf)) 6093 #endif 6094 return (0); 6095 } 6096 6097 6098 /* 6099 * Process mode select caching page 8 (scsi3 format only). 6100 * Read Ahead (same as read cache) and Write Cache may be turned on and off 6101 * if these features are supported by the device. If these features are not 6102 * supported, quietly ignore them. 6103 * This function fails only if the SET FEATURE command sent to 6104 * the device fails. The page format is not varified, assuming that the 6105 * target driver operates correctly - if parameters length is too short, 6106 * we just drop the page. 6107 * Two command may be sent if both Read Cache/Read Ahead and Write Cache 6108 * setting have to be changed. 6109 * SET FEATURE command is executed synchronously, i.e. we wait here until 6110 * it is completed, regardless of the scsi pkt directives. 6111 * 6112 * Note: Mode Select Caching page RCD and DRA bits are tied together, i.e. 6113 * changing DRA will change RCD. 6114 * 6115 * More than one SATA command may be executed to perform operations specified 6116 * by mode select pages. The first error terminates further execution. 6117 * Operations performed successully are not backed-up in such case. 6118 * 6119 * Return SATA_SUCCESS if operation succeeded, SATA_FAILURE otherwise. 6120 * If operation resulted in changing device setup, dmod flag should be set to 6121 * one (1). If parameters were not changed, dmod flag should be set to 0. 6122 * Upon return, if operation required sending command to the device, the rval 6123 * should be set to the value returned by sata_hba_start. If operation 6124 * did not require device access, rval should be set to TRAN_ACCEPT. 6125 * The pagelen should be set to the length of the page. 6126 * 6127 * This function has to be called with a port mutex held. 6128 * 6129 * Returns SATA_SUCCESS if operation was successful, SATA_FAILURE otherwise. 6130 */ 6131 int 6132 sata_mode_select_page_8(sata_pkt_txlate_t *spx, struct mode_cache_scsi3 *page, 6133 int parmlen, int *pagelen, int *rval, int *dmod) 6134 { 6135 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 6136 sata_drive_info_t *sdinfo; 6137 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 6138 sata_id_t *sata_id; 6139 struct scsi_extended_sense *sense; 6140 int wce, dra; /* Current settings */ 6141 6142 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 6143 &spx->txlt_sata_pkt->satapkt_device); 6144 sata_id = &sdinfo->satadrv_id; 6145 *dmod = 0; 6146 6147 /* Verify parameters length. If too short, drop it */ 6148 if (PAGELENGTH_DAD_MODE_CACHE_SCSI3 + 6149 sizeof (struct mode_page) < parmlen) { 6150 *scsipkt->pkt_scbp = STATUS_CHECK; 6151 sense = sata_arq_sense(spx); 6152 sense->es_key = KEY_ILLEGAL_REQUEST; 6153 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_PARAMS_LIST; 6154 *pagelen = parmlen; 6155 *rval = TRAN_ACCEPT; 6156 return (SATA_FAILURE); 6157 } 6158 6159 *pagelen = PAGELENGTH_DAD_MODE_CACHE_SCSI3 + sizeof (struct mode_page); 6160 6161 /* 6162 * We can manipulate only write cache and read ahead 6163 * (read cache) setting. 6164 */ 6165 if (!SATA_READ_AHEAD_SUPPORTED(*sata_id) && 6166 !SATA_WRITE_CACHE_SUPPORTED(*sata_id)) { 6167 /* 6168 * None of the features is supported - ignore 6169 */ 6170 *rval = TRAN_ACCEPT; 6171 return (SATA_SUCCESS); 6172 } 6173 6174 /* Current setting of Read Ahead (and Read Cache) */ 6175 if (SATA_READ_AHEAD_ENABLED(*sata_id)) 6176 dra = 0; /* 0 == not disabled */ 6177 else 6178 dra = 1; 6179 /* Current setting of Write Cache */ 6180 if (SATA_WRITE_CACHE_ENABLED(*sata_id)) 6181 wce = 1; 6182 else 6183 wce = 0; 6184 6185 if (page->dra == dra && page->wce == wce && page->rcd == dra) { 6186 /* nothing to do */ 6187 *rval = TRAN_ACCEPT; 6188 return (SATA_SUCCESS); 6189 } 6190 6191 /* 6192 * Need to flip some setting 6193 * Set-up Internal SET FEATURES command(s) 6194 */ 6195 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 6196 scmd->satacmd_addr_type = 0; 6197 scmd->satacmd_device_reg = 0; 6198 scmd->satacmd_status_reg = 0; 6199 scmd->satacmd_error_reg = 0; 6200 scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; 6201 if (page->dra != dra || page->rcd != dra) { 6202 /* Need to flip read ahead setting */ 6203 if (dra == 0) 6204 /* Disable read ahead / read cache */ 6205 scmd->satacmd_features_reg = 6206 SATAC_SF_DISABLE_READ_AHEAD; 6207 else 6208 /* Enable read ahead / read cache */ 6209 scmd->satacmd_features_reg = 6210 SATAC_SF_ENABLE_READ_AHEAD; 6211 6212 /* Transfer command to HBA */ 6213 if (sata_hba_start(spx, rval) != 0) 6214 /* 6215 * Pkt not accepted for execution. 6216 */ 6217 return (SATA_FAILURE); 6218 6219 *dmod = 1; 6220 6221 /* Now process return */ 6222 if (spx->txlt_sata_pkt->satapkt_reason != 6223 SATA_PKT_COMPLETED) { 6224 goto failure; /* Terminate */ 6225 } 6226 } 6227 6228 /* Note that the packet is not removed, so it could be re-used */ 6229 if (page->wce != wce) { 6230 /* Need to flip Write Cache setting */ 6231 if (page->wce == 1) 6232 /* Enable write cache */ 6233 scmd->satacmd_features_reg = 6234 SATAC_SF_ENABLE_WRITE_CACHE; 6235 else 6236 /* Disable write cache */ 6237 scmd->satacmd_features_reg = 6238 SATAC_SF_DISABLE_WRITE_CACHE; 6239 6240 /* Transfer command to HBA */ 6241 if (sata_hba_start(spx, rval) != 0) 6242 /* 6243 * Pkt not accepted for execution. 6244 */ 6245 return (SATA_FAILURE); 6246 6247 *dmod = 1; 6248 6249 /* Now process return */ 6250 if (spx->txlt_sata_pkt->satapkt_reason != 6251 SATA_PKT_COMPLETED) { 6252 goto failure; 6253 } 6254 } 6255 return (SATA_SUCCESS); 6256 6257 failure: 6258 sata_xlate_errors(spx); 6259 6260 return (SATA_FAILURE); 6261 } 6262 6263 /* 6264 * Process mode select informational exceptions control page 0x1c 6265 * 6266 * The only changeable bit is dexcpt (disable exceptions). 6267 * MRIE (method of reporting informational exceptions) must be 6268 * "only on request". 6269 * This page applies to informational exceptions that report 6270 * additional sense codes with the ADDITIONAL SENSE CODE field set to 5Dh 6271 * (e.g.,FAILURE PREDICTION THRESHOLD EXCEEDED) or 0Bh (e.g., WARNING_). 6272 * Informational exception conditions occur as the result of background scan 6273 * errors, background self-test errors, or vendor specific events within a 6274 * logical unit. An informational exception condition may occur asynchronous 6275 * to any commands. 6276 * 6277 * Returns: SATA_SUCCESS if operation succeeded, SATA_FAILURE otherwise. 6278 * If operation resulted in changing device setup, dmod flag should be set to 6279 * one (1). If parameters were not changed, dmod flag should be set to 0. 6280 * Upon return, if operation required sending command to the device, the rval 6281 * should be set to the value returned by sata_hba_start. If operation 6282 * did not require device access, rval should be set to TRAN_ACCEPT. 6283 * The pagelen should be set to the length of the page. 6284 * 6285 * This function has to be called with a port mutex held. 6286 * 6287 * Returns SATA_SUCCESS if operation was successful, SATA_FAILURE otherwise. 6288 * 6289 * Cannot be called in the interrupt context. 6290 */ 6291 static int 6292 sata_mode_select_page_1c( 6293 sata_pkt_txlate_t *spx, 6294 struct mode_info_excpt_page *page, 6295 int parmlen, 6296 int *pagelen, 6297 int *rval, 6298 int *dmod) 6299 { 6300 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 6301 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 6302 sata_drive_info_t *sdinfo; 6303 sata_id_t *sata_id; 6304 struct scsi_extended_sense *sense; 6305 6306 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 6307 &spx->txlt_sata_pkt->satapkt_device); 6308 sata_id = &sdinfo->satadrv_id; 6309 6310 *dmod = 0; 6311 6312 /* Verify parameters length. If too short, drop it */ 6313 if (((PAGELENGTH_INFO_EXCPT + sizeof (struct mode_page)) < parmlen) || 6314 page->perf || page->test || (page->mrie != MRIE_ONLY_ON_REQUEST)) { 6315 *scsipkt->pkt_scbp = STATUS_CHECK; 6316 sense = sata_arq_sense(spx); 6317 sense->es_key = KEY_ILLEGAL_REQUEST; 6318 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_PARAMS_LIST; 6319 *pagelen = parmlen; 6320 *rval = TRAN_ACCEPT; 6321 return (SATA_FAILURE); 6322 } 6323 6324 *pagelen = PAGELENGTH_INFO_EXCPT + sizeof (struct mode_page); 6325 6326 if (! (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED)) { 6327 *scsipkt->pkt_scbp = STATUS_CHECK; 6328 sense = sata_arq_sense(spx); 6329 sense->es_key = KEY_ILLEGAL_REQUEST; 6330 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 6331 *pagelen = parmlen; 6332 *rval = TRAN_ACCEPT; 6333 return (SATA_FAILURE); 6334 } 6335 6336 /* If already in the state requested, we are done */ 6337 if (page->dexcpt == ! (sata_id->ai_features85 & SATA_SMART_ENABLED)) { 6338 /* nothing to do */ 6339 *rval = TRAN_ACCEPT; 6340 return (SATA_SUCCESS); 6341 } 6342 6343 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 6344 6345 /* Build SMART_ENABLE or SMART_DISABLE command */ 6346 scmd->satacmd_addr_type = 0; /* N/A */ 6347 scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; 6348 scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; 6349 scmd->satacmd_features_reg = page->dexcpt ? 6350 SATA_SMART_DISABLE_OPS : SATA_SMART_ENABLE_OPS; 6351 scmd->satacmd_device_reg = 0; /* Always device 0 */ 6352 scmd->satacmd_cmd_reg = SATAC_SMART; 6353 6354 /* Transfer command to HBA */ 6355 if (sata_hba_start(spx, rval) != 0) 6356 /* 6357 * Pkt not accepted for execution. 6358 */ 6359 return (SATA_FAILURE); 6360 6361 *dmod = 1; /* At least may have been modified */ 6362 6363 /* Now process return */ 6364 if (spx->txlt_sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) 6365 return (SATA_SUCCESS); 6366 6367 /* Packet did not complete successfully */ 6368 sata_xlate_errors(spx); 6369 6370 return (SATA_FAILURE); 6371 } 6372 6373 /* 6374 * Process mode select acoustic management control page 0x30 6375 * 6376 * 6377 * This function has to be called with a port mutex held. 6378 * 6379 * Returns SATA_SUCCESS if operation was successful, SATA_FAILURE otherwise. 6380 * 6381 * Cannot be called in the interrupt context. 6382 */ 6383 int 6384 sata_mode_select_page_30(sata_pkt_txlate_t *spx, struct 6385 mode_acoustic_management *page, int parmlen, int *pagelen, 6386 int *rval, int *dmod) 6387 { 6388 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 6389 sata_drive_info_t *sdinfo; 6390 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 6391 sata_id_t *sata_id; 6392 struct scsi_extended_sense *sense; 6393 6394 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 6395 &spx->txlt_sata_pkt->satapkt_device); 6396 sata_id = &sdinfo->satadrv_id; 6397 *dmod = 0; 6398 6399 /* If parmlen is too short or the feature is not supported, drop it */ 6400 if (((PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT + 6401 sizeof (struct mode_page)) < parmlen) || 6402 (! (sata_id->ai_cmdset83 & SATA_ACOUSTIC_MGMT))) { 6403 *scsipkt->pkt_scbp = STATUS_CHECK; 6404 sense = sata_arq_sense(spx); 6405 sense->es_key = KEY_ILLEGAL_REQUEST; 6406 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_PARAMS_LIST; 6407 *pagelen = parmlen; 6408 *rval = TRAN_ACCEPT; 6409 return (SATA_FAILURE); 6410 } 6411 6412 *pagelen = PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT + 6413 sizeof (struct mode_page); 6414 6415 /* 6416 * We can enable and disable acoustice management and 6417 * set the acoustic management level. 6418 */ 6419 6420 /* 6421 * Set-up Internal SET FEATURES command(s) 6422 */ 6423 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 6424 scmd->satacmd_addr_type = 0; 6425 scmd->satacmd_device_reg = 0; 6426 scmd->satacmd_status_reg = 0; 6427 scmd->satacmd_error_reg = 0; 6428 scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; 6429 if (page->acoustic_manag_enable) { 6430 scmd->satacmd_features_reg = SATAC_SF_ENABLE_ACOUSTIC; 6431 scmd->satacmd_sec_count_lsb = page->acoustic_manag_level; 6432 } else { /* disabling acoustic management */ 6433 scmd->satacmd_features_reg = SATAC_SF_DISABLE_ACOUSTIC; 6434 } 6435 6436 /* Transfer command to HBA */ 6437 if (sata_hba_start(spx, rval) != 0) 6438 /* 6439 * Pkt not accepted for execution. 6440 */ 6441 return (SATA_FAILURE); 6442 6443 /* Now process return */ 6444 if (spx->txlt_sata_pkt->satapkt_reason != SATA_PKT_COMPLETED) { 6445 sata_xlate_errors(spx); 6446 return (SATA_FAILURE); 6447 } 6448 6449 *dmod = 1; 6450 6451 return (SATA_SUCCESS); 6452 } 6453 6454 6455 6456 6457 /* 6458 * sata_build_lsense_page0() is used to create the 6459 * SCSI LOG SENSE page 0 (supported log pages) 6460 * 6461 * Currently supported pages are 0, 0x10, 0x2f and 0x30 6462 * (supported log pages, self-test results, informational exceptions 6463 * and Sun vendor specific ATA SMART data). 6464 * 6465 * Takes a sata_drive_info t * and the address of a buffer 6466 * in which to create the page information. 6467 * 6468 * Returns the number of bytes valid in the buffer. 6469 */ 6470 static int 6471 sata_build_lsense_page_0(sata_drive_info_t *sdinfo, uint8_t *buf) 6472 { 6473 struct log_parameter *lpp = (struct log_parameter *)buf; 6474 uint8_t *page_ptr = (uint8_t *)lpp->param_values; 6475 int num_pages_supported = 1; /* Always have GET_SUPPORTED_LOG_PAGES */ 6476 sata_id_t *sata_id = &sdinfo->satadrv_id; 6477 6478 lpp->param_code[0] = 0; 6479 lpp->param_code[1] = 0; 6480 lpp->param_ctrl_flags = LOG_CTRL_LP | LOG_CTRL_LBIN; 6481 *page_ptr++ = PAGE_CODE_GET_SUPPORTED_LOG_PAGES; 6482 6483 if (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED) { 6484 if (sata_id->ai_cmdset84 & SATA_SMART_SELF_TEST_SUPPORTED) { 6485 *page_ptr++ = PAGE_CODE_SELF_TEST_RESULTS; 6486 ++num_pages_supported; 6487 } 6488 *page_ptr++ = PAGE_CODE_INFORMATION_EXCEPTIONS; 6489 ++num_pages_supported; 6490 *page_ptr++ = PAGE_CODE_SMART_READ_DATA; 6491 ++num_pages_supported; 6492 } 6493 6494 lpp->param_len = num_pages_supported; 6495 6496 return ((&lpp->param_values[0] - (uint8_t *)lpp) + 6497 num_pages_supported); 6498 } 6499 6500 /* 6501 * sata_build_lsense_page_10() is used to create the 6502 * SCSI LOG SENSE page 0x10 (self-test results) 6503 * 6504 * Takes a sata_drive_info t * and the address of a buffer 6505 * in which to create the page information as well as a sata_hba_inst_t *. 6506 * 6507 * Returns the number of bytes valid in the buffer. 6508 * 6509 * Note: Self test and SMART data is accessible in device log pages. 6510 * The log pages can be accessed by SMART READ/WRITE LOG (up to 255 sectors 6511 * of data can be transferred by a single command), or by the General Purpose 6512 * Logging commands (GPL) READ LOG EXT and WRITE LOG EXT (up to 65,535 sectors 6513 * - approximately 33MB - can be transferred by a single command. 6514 * The SCT Command response (either error or command) is the same for both 6515 * the SMART and GPL methods of issuing commands. 6516 * This function uses READ LOG EXT command when drive supports LBA48, and 6517 * SMART READ command otherwise. 6518 * 6519 * Since above commands are executed in a synchronous mode, this function 6520 * should not be called in an interrupt context. 6521 */ 6522 static int 6523 sata_build_lsense_page_10( 6524 sata_drive_info_t *sdinfo, 6525 uint8_t *buf, 6526 sata_hba_inst_t *sata_hba_inst) 6527 { 6528 struct log_parameter *lpp = (struct log_parameter *)buf; 6529 int rval; 6530 6531 if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) { 6532 struct smart_ext_selftest_log *ext_selftest_log; 6533 6534 ext_selftest_log = kmem_zalloc( 6535 sizeof (struct smart_ext_selftest_log), KM_SLEEP); 6536 6537 rval = sata_ext_smart_selftest_read_log(sata_hba_inst, sdinfo, 6538 ext_selftest_log, 0); 6539 if (rval == 0) { 6540 int index, start_index; 6541 struct smart_ext_selftest_log_entry *entry; 6542 static const struct smart_ext_selftest_log_entry empty = 6543 {0}; 6544 uint16_t block_num; 6545 int count; 6546 boolean_t only_one_block = B_FALSE; 6547 6548 index = ext_selftest_log-> 6549 smart_ext_selftest_log_index[0]; 6550 index |= ext_selftest_log-> 6551 smart_ext_selftest_log_index[1] << 8; 6552 if (index == 0) 6553 goto out; 6554 6555 --index; /* Correct for 0 origin */ 6556 start_index = index; /* remember where we started */ 6557 block_num = index / ENTRIES_PER_EXT_SELFTEST_LOG_BLK; 6558 if (block_num != 0) { 6559 rval = sata_ext_smart_selftest_read_log( 6560 sata_hba_inst, sdinfo, ext_selftest_log, 6561 block_num); 6562 if (rval != 0) 6563 goto out; 6564 } 6565 index %= ENTRIES_PER_EXT_SELFTEST_LOG_BLK; 6566 entry = 6567 &ext_selftest_log-> 6568 smart_ext_selftest_log_entries[index]; 6569 6570 for (count = 1; 6571 count <= SCSI_ENTRIES_IN_LOG_SENSE_SELFTEST_RESULTS; 6572 ++count) { 6573 uint8_t status; 6574 uint8_t code; 6575 uint8_t sense_key; 6576 uint8_t add_sense_code; 6577 uint8_t add_sense_code_qual; 6578 6579 /* If this is an unused entry, we are done */ 6580 if (bcmp(entry, &empty, sizeof (empty)) == 0) { 6581 /* Broken firmware on some disks */ 6582 if (index + 1 == 6583 ENTRIES_PER_EXT_SELFTEST_LOG_BLK) { 6584 --entry; 6585 --index; 6586 if (bcmp(entry, &empty, 6587 sizeof (empty)) == 0) 6588 goto out; 6589 } else 6590 goto out; 6591 } 6592 6593 if (only_one_block && 6594 start_index == index) 6595 goto out; 6596 6597 lpp->param_code[0] = 0; 6598 lpp->param_code[1] = count; 6599 lpp->param_ctrl_flags = 6600 LOG_CTRL_LP | LOG_CTRL_LBIN; 6601 lpp->param_len = 6602 SCSI_LOG_SENSE_SELFTEST_PARAM_LEN; 6603 6604 status = entry->smart_ext_selftest_log_status; 6605 status >>= 4; 6606 switch (status) { 6607 case 0: 6608 default: 6609 sense_key = KEY_NO_SENSE; 6610 add_sense_code = 6611 SD_SCSI_ASC_NO_ADD_SENSE; 6612 add_sense_code_qual = 0; 6613 break; 6614 case 1: 6615 sense_key = KEY_ABORTED_COMMAND; 6616 add_sense_code = 6617 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6618 add_sense_code_qual = SCSI_COMPONENT_81; 6619 break; 6620 case 2: 6621 sense_key = KEY_ABORTED_COMMAND; 6622 add_sense_code = 6623 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6624 add_sense_code_qual = SCSI_COMPONENT_82; 6625 break; 6626 case 3: 6627 sense_key = KEY_ABORTED_COMMAND; 6628 add_sense_code = 6629 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6630 add_sense_code_qual = SCSI_COMPONENT_83; 6631 break; 6632 case 4: 6633 sense_key = KEY_HARDWARE_ERROR; 6634 add_sense_code = 6635 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6636 add_sense_code_qual = SCSI_COMPONENT_84; 6637 break; 6638 case 5: 6639 sense_key = KEY_HARDWARE_ERROR; 6640 add_sense_code = 6641 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6642 add_sense_code_qual = SCSI_COMPONENT_85; 6643 break; 6644 case 6: 6645 sense_key = KEY_HARDWARE_ERROR; 6646 add_sense_code = 6647 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6648 add_sense_code_qual = SCSI_COMPONENT_86; 6649 break; 6650 case 7: 6651 sense_key = KEY_MEDIUM_ERROR; 6652 add_sense_code = 6653 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6654 add_sense_code_qual = SCSI_COMPONENT_87; 6655 break; 6656 case 8: 6657 sense_key = KEY_HARDWARE_ERROR; 6658 add_sense_code = 6659 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6660 add_sense_code_qual = SCSI_COMPONENT_88; 6661 break; 6662 } 6663 code = 0; /* unspecified */ 6664 status |= (code << 4); 6665 lpp->param_values[0] = status; 6666 lpp->param_values[1] = 0; /* unspecified */ 6667 lpp->param_values[2] = entry-> 6668 smart_ext_selftest_log_timestamp[1]; 6669 lpp->param_values[3] = entry-> 6670 smart_ext_selftest_log_timestamp[0]; 6671 if (status != 0) { 6672 lpp->param_values[4] = 0; 6673 lpp->param_values[5] = 0; 6674 lpp->param_values[6] = entry-> 6675 smart_ext_selftest_log_failing_lba 6676 [5]; 6677 lpp->param_values[7] = entry-> 6678 smart_ext_selftest_log_failing_lba 6679 [4]; 6680 lpp->param_values[8] = entry-> 6681 smart_ext_selftest_log_failing_lba 6682 [3]; 6683 lpp->param_values[9] = entry-> 6684 smart_ext_selftest_log_failing_lba 6685 [2]; 6686 lpp->param_values[10] = entry-> 6687 smart_ext_selftest_log_failing_lba 6688 [1]; 6689 lpp->param_values[11] = entry-> 6690 smart_ext_selftest_log_failing_lba 6691 [0]; 6692 } else { /* No bad block address */ 6693 lpp->param_values[4] = 0xff; 6694 lpp->param_values[5] = 0xff; 6695 lpp->param_values[6] = 0xff; 6696 lpp->param_values[7] = 0xff; 6697 lpp->param_values[8] = 0xff; 6698 lpp->param_values[9] = 0xff; 6699 lpp->param_values[10] = 0xff; 6700 lpp->param_values[11] = 0xff; 6701 } 6702 6703 lpp->param_values[12] = sense_key; 6704 lpp->param_values[13] = add_sense_code; 6705 lpp->param_values[14] = add_sense_code_qual; 6706 lpp->param_values[15] = 0; /* undefined */ 6707 6708 lpp = (struct log_parameter *) 6709 (((uint8_t *)lpp) + 6710 SCSI_LOG_PARAM_HDR_LEN + 6711 SCSI_LOG_SENSE_SELFTEST_PARAM_LEN); 6712 6713 --index; /* Back up to previous entry */ 6714 if (index < 0) { 6715 if (block_num > 0) { 6716 --block_num; 6717 } else { 6718 struct read_log_ext_directory 6719 logdir; 6720 6721 rval = 6722 sata_read_log_ext_directory( 6723 sata_hba_inst, sdinfo, 6724 &logdir); 6725 if (rval == -1) 6726 goto out; 6727 if ((logdir.read_log_ext_vers 6728 [0] == 0) && 6729 (logdir.read_log_ext_vers 6730 [1] == 0)) 6731 goto out; 6732 block_num = 6733 logdir.read_log_ext_nblks 6734 [EXT_SMART_SELFTEST_LOG_PAGE 6735 - 1][0]; 6736 block_num |= logdir. 6737 read_log_ext_nblks 6738 [EXT_SMART_SELFTEST_LOG_PAGE 6739 - 1][1] << 8; 6740 --block_num; 6741 only_one_block = 6742 (block_num == 0); 6743 } 6744 rval = sata_ext_smart_selftest_read_log( 6745 sata_hba_inst, sdinfo, 6746 ext_selftest_log, block_num); 6747 if (rval != 0) 6748 goto out; 6749 6750 index = 6751 ENTRIES_PER_EXT_SELFTEST_LOG_BLK - 6752 1; 6753 } 6754 index %= ENTRIES_PER_EXT_SELFTEST_LOG_BLK; 6755 entry = &ext_selftest_log-> 6756 smart_ext_selftest_log_entries[index]; 6757 } 6758 } 6759 out: 6760 kmem_free(ext_selftest_log, 6761 sizeof (struct smart_ext_selftest_log)); 6762 } else { 6763 struct smart_selftest_log *selftest_log; 6764 6765 selftest_log = kmem_zalloc(sizeof (struct smart_selftest_log), 6766 KM_SLEEP); 6767 6768 rval = sata_smart_selftest_log(sata_hba_inst, sdinfo, 6769 selftest_log); 6770 6771 if (rval == 0) { 6772 int index; 6773 int count; 6774 struct smart_selftest_log_entry *entry; 6775 static const struct smart_selftest_log_entry empty = 6776 { 0 }; 6777 6778 index = selftest_log->smart_selftest_log_index; 6779 if (index == 0) 6780 goto done; 6781 --index; /* Correct for 0 origin */ 6782 entry = &selftest_log-> 6783 smart_selftest_log_entries[index]; 6784 for (count = 1; 6785 count <= SCSI_ENTRIES_IN_LOG_SENSE_SELFTEST_RESULTS; 6786 ++count) { 6787 uint8_t status; 6788 uint8_t code; 6789 uint8_t sense_key; 6790 uint8_t add_sense_code; 6791 uint8_t add_sense_code_qual; 6792 6793 if (bcmp(entry, &empty, sizeof (empty)) == 0) 6794 goto done; 6795 6796 lpp->param_code[0] = 0; 6797 lpp->param_code[1] = count; 6798 lpp->param_ctrl_flags = 6799 LOG_CTRL_LP | LOG_CTRL_LBIN; 6800 lpp->param_len = 6801 SCSI_LOG_SENSE_SELFTEST_PARAM_LEN; 6802 6803 status = entry->smart_selftest_log_status; 6804 status >>= 4; 6805 switch (status) { 6806 case 0: 6807 default: 6808 sense_key = KEY_NO_SENSE; 6809 add_sense_code = 6810 SD_SCSI_ASC_NO_ADD_SENSE; 6811 break; 6812 case 1: 6813 sense_key = KEY_ABORTED_COMMAND; 6814 add_sense_code = 6815 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6816 add_sense_code_qual = SCSI_COMPONENT_81; 6817 break; 6818 case 2: 6819 sense_key = KEY_ABORTED_COMMAND; 6820 add_sense_code = 6821 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6822 add_sense_code_qual = SCSI_COMPONENT_82; 6823 break; 6824 case 3: 6825 sense_key = KEY_ABORTED_COMMAND; 6826 add_sense_code = 6827 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6828 add_sense_code_qual = SCSI_COMPONENT_83; 6829 break; 6830 case 4: 6831 sense_key = KEY_HARDWARE_ERROR; 6832 add_sense_code = 6833 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6834 add_sense_code_qual = SCSI_COMPONENT_84; 6835 break; 6836 case 5: 6837 sense_key = KEY_HARDWARE_ERROR; 6838 add_sense_code = 6839 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6840 add_sense_code_qual = SCSI_COMPONENT_85; 6841 break; 6842 case 6: 6843 sense_key = KEY_HARDWARE_ERROR; 6844 add_sense_code = 6845 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6846 add_sense_code_qual = SCSI_COMPONENT_86; 6847 break; 6848 case 7: 6849 sense_key = KEY_MEDIUM_ERROR; 6850 add_sense_code = 6851 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6852 add_sense_code_qual = SCSI_COMPONENT_87; 6853 break; 6854 case 8: 6855 sense_key = KEY_HARDWARE_ERROR; 6856 add_sense_code = 6857 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6858 add_sense_code_qual = SCSI_COMPONENT_88; 6859 break; 6860 } 6861 code = 0; /* unspecified */ 6862 status |= (code << 4); 6863 lpp->param_values[0] = status; 6864 lpp->param_values[1] = 0; /* unspecified */ 6865 lpp->param_values[2] = entry-> 6866 smart_selftest_log_timestamp[1]; 6867 lpp->param_values[3] = entry-> 6868 smart_selftest_log_timestamp[0]; 6869 if (status != 0) { 6870 lpp->param_values[4] = 0; 6871 lpp->param_values[5] = 0; 6872 lpp->param_values[6] = 0; 6873 lpp->param_values[7] = 0; 6874 lpp->param_values[8] = entry-> 6875 smart_selftest_log_failing_lba[3]; 6876 lpp->param_values[9] = entry-> 6877 smart_selftest_log_failing_lba[2]; 6878 lpp->param_values[10] = entry-> 6879 smart_selftest_log_failing_lba[1]; 6880 lpp->param_values[11] = entry-> 6881 smart_selftest_log_failing_lba[0]; 6882 } else { /* No block address */ 6883 lpp->param_values[4] = 0xff; 6884 lpp->param_values[5] = 0xff; 6885 lpp->param_values[6] = 0xff; 6886 lpp->param_values[7] = 0xff; 6887 lpp->param_values[8] = 0xff; 6888 lpp->param_values[9] = 0xff; 6889 lpp->param_values[10] = 0xff; 6890 lpp->param_values[11] = 0xff; 6891 } 6892 lpp->param_values[12] = sense_key; 6893 lpp->param_values[13] = add_sense_code; 6894 lpp->param_values[14] = add_sense_code_qual; 6895 lpp->param_values[15] = 0; /* undefined */ 6896 6897 lpp = (struct log_parameter *) 6898 (((uint8_t *)lpp) + 6899 SCSI_LOG_PARAM_HDR_LEN + 6900 SCSI_LOG_SENSE_SELFTEST_PARAM_LEN); 6901 --index; /* back up to previous entry */ 6902 if (index < 0) { 6903 index = 6904 NUM_SMART_SELFTEST_LOG_ENTRIES - 1; 6905 } 6906 entry = &selftest_log-> 6907 smart_selftest_log_entries[index]; 6908 } 6909 } 6910 done: 6911 kmem_free(selftest_log, sizeof (struct smart_selftest_log)); 6912 } 6913 6914 return ((SCSI_LOG_PARAM_HDR_LEN + SCSI_LOG_SENSE_SELFTEST_PARAM_LEN) * 6915 SCSI_ENTRIES_IN_LOG_SENSE_SELFTEST_RESULTS); 6916 } 6917 6918 /* 6919 * sata_build_lsense_page_2f() is used to create the 6920 * SCSI LOG SENSE page 0x2f (informational exceptions) 6921 * 6922 * Takes a sata_drive_info t * and the address of a buffer 6923 * in which to create the page information as well as a sata_hba_inst_t *. 6924 * 6925 * Returns the number of bytes valid in the buffer. 6926 * 6927 * Because it invokes function(s) that send synchronously executed command 6928 * to the HBA, it cannot be called in the interrupt context. 6929 */ 6930 static int 6931 sata_build_lsense_page_2f( 6932 sata_drive_info_t *sdinfo, 6933 uint8_t *buf, 6934 sata_hba_inst_t *sata_hba_inst) 6935 { 6936 struct log_parameter *lpp = (struct log_parameter *)buf; 6937 int rval; 6938 uint8_t *smart_data; 6939 uint8_t temp; 6940 sata_id_t *sata_id; 6941 #define SMART_NO_TEMP 0xff 6942 6943 lpp->param_code[0] = 0; 6944 lpp->param_code[1] = 0; 6945 lpp->param_ctrl_flags = LOG_CTRL_LP | LOG_CTRL_LBIN; 6946 6947 /* Now get the SMART status w.r.t. threshold exceeded */ 6948 rval = sata_fetch_smart_return_status(sata_hba_inst, sdinfo); 6949 switch (rval) { 6950 case 1: 6951 lpp->param_values[0] = SCSI_PREDICTED_FAILURE; 6952 lpp->param_values[1] = SCSI_GENERAL_HD_FAILURE; 6953 break; 6954 case 0: 6955 case -1: /* failed to get data */ 6956 lpp->param_values[0] = 0; /* No failure predicted */ 6957 lpp->param_values[1] = 0; 6958 break; 6959 #if defined(SATA_DEBUG) 6960 default: 6961 cmn_err(CE_PANIC, "sata_build_lsense_page_2f bad return value"); 6962 /* NOTREACHED */ 6963 #endif 6964 } 6965 6966 sata_id = &sdinfo->satadrv_id; 6967 if (! (sata_id->ai_sctsupport & SATA_SCT_CMD_TRANS_SUP)) 6968 temp = SMART_NO_TEMP; 6969 else { 6970 /* Now get the temperature */ 6971 smart_data = kmem_zalloc(512, KM_SLEEP); 6972 rval = sata_smart_read_log(sata_hba_inst, sdinfo, smart_data, 6973 SCT_STATUS_LOG_PAGE, 1); 6974 if (rval == -1) 6975 temp = SMART_NO_TEMP; 6976 else { 6977 temp = smart_data[200]; 6978 if (temp & 0x80) { 6979 if (temp & 0x7f) 6980 temp = 0; 6981 else 6982 temp = SMART_NO_TEMP; 6983 } 6984 } 6985 kmem_free(smart_data, 512); 6986 } 6987 6988 lpp->param_values[2] = temp; /* most recent temperature */ 6989 lpp->param_values[3] = 0; /* required vendor specific byte */ 6990 6991 lpp->param_len = SCSI_INFO_EXCEPTIONS_PARAM_LEN; 6992 6993 6994 return (SCSI_INFO_EXCEPTIONS_PARAM_LEN + SCSI_LOG_PARAM_HDR_LEN); 6995 } 6996 6997 /* 6998 * sata_build_lsense_page_30() is used to create the 6999 * SCSI LOG SENSE page 0x30 (Sun's vendor specific page for ATA SMART data). 7000 * 7001 * Takes a sata_drive_info t * and the address of a buffer 7002 * in which to create the page information as well as a sata_hba_inst_t *. 7003 * 7004 * Returns the number of bytes valid in the buffer. 7005 */ 7006 static int 7007 sata_build_lsense_page_30( 7008 sata_drive_info_t *sdinfo, 7009 uint8_t *buf, 7010 sata_hba_inst_t *sata_hba_inst) 7011 { 7012 struct smart_data *smart_data = (struct smart_data *)buf; 7013 int rval; 7014 7015 /* Now do the SMART READ DATA */ 7016 rval = sata_fetch_smart_data(sata_hba_inst, sdinfo, smart_data); 7017 if (rval == -1) 7018 return (0); 7019 7020 return (sizeof (struct smart_data)); 7021 } 7022 7023 /* ************************** ATAPI-SPECIFIC FUNCTIONS ********************** */ 7024 7025 /* 7026 * Start command for ATAPI device. 7027 * This function processes scsi_pkt requests. 7028 * Now CD/DVD, tape and ATAPI disk devices are supported. 7029 * Most commands are packet without any translation into Packet Command. 7030 * Some may be trapped and executed as SATA commands (not clear which one). 7031 * 7032 * Returns TRAN_ACCEPT if command is accepted for execution (or completed 7033 * execution). 7034 * Returns other TRAN_XXXX codes if command is not accepted or completed 7035 * (see return values for sata_hba_start()). 7036 * 7037 * Note: 7038 * Inquiry cdb format differs between transport version 2 and 3. 7039 * However, the transport version 3 devices that were checked did not adhere 7040 * to the specification (ignored MSB of the allocation length). Therefore, 7041 * the transport version is not checked, but Inquiry allocation length is 7042 * truncated to 255 bytes if the original allocation length set-up by the 7043 * target driver is greater than 255 bytes. 7044 */ 7045 static int 7046 sata_txlt_atapi(sata_pkt_txlate_t *spx) 7047 { 7048 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 7049 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 7050 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 7051 sata_hba_inst_t *sata_hba = SATA_TXLT_HBA_INST(spx); 7052 sata_drive_info_t *sdinfo = sata_get_device_info(sata_hba, 7053 &spx->txlt_sata_pkt->satapkt_device); 7054 int cport = SATA_TXLT_CPORT(spx); 7055 int cdblen; 7056 int rval, reason; 7057 int synch; 7058 union scsi_cdb *cdbp = (union scsi_cdb *)scsipkt->pkt_cdbp; 7059 7060 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 7061 7062 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 7063 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 7064 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 7065 return (rval); 7066 } 7067 7068 /* 7069 * ATAPI device executes some ATA commands in addition to those 7070 * commands sent via PACKET command. These ATA commands may be 7071 * executed by the regular SATA translation functions. None needs 7072 * to be captured now. 7073 * 7074 * Commands sent via PACKET command include: 7075 * MMC command set for ATAPI CD/DVD device 7076 * SSC command set for ATAPI TAPE device 7077 * SBC command set for ATAPI disk device 7078 * 7079 */ 7080 7081 /* Check the size of cdb */ 7082 cdblen = scsi_cdb_size[GETGROUP(cdbp)]; 7083 if (cdblen > sdinfo->satadrv_atapi_cdb_len) { 7084 sata_log(NULL, CE_WARN, 7085 "sata: invalid ATAPI cdb length %d", 7086 scsipkt->pkt_cdblen); 7087 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 7088 return (TRAN_BADPKT); 7089 } 7090 7091 SATAATAPITRACE(spx, cdblen); 7092 7093 /* 7094 * For non-read/write commands we need to 7095 * map buffer 7096 */ 7097 switch ((uint_t)scsipkt->pkt_cdbp[0]) { 7098 case SCMD_READ: 7099 case SCMD_READ_G1: 7100 case SCMD_READ_G5: 7101 case SCMD_READ_G4: 7102 case SCMD_WRITE: 7103 case SCMD_WRITE_G1: 7104 case SCMD_WRITE_G5: 7105 case SCMD_WRITE_G4: 7106 break; 7107 default: 7108 if (bp != NULL) { 7109 if (bp->b_flags & (B_PHYS | B_PAGEIO)) 7110 bp_mapin(bp); 7111 } 7112 break; 7113 } 7114 /* 7115 * scmd->satacmd_flags.sata_data_direction default - 7116 * SATA_DIR_NODATA_XFER - is set by 7117 * sata_txlt_generic_pkt_info(). 7118 */ 7119 if (scmd->satacmd_bp) { 7120 if (scmd->satacmd_bp->b_flags & B_READ) { 7121 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 7122 } else { 7123 scmd->satacmd_flags.sata_data_direction = 7124 SATA_DIR_WRITE; 7125 } 7126 } 7127 7128 /* 7129 * Set up ATAPI packet command. 7130 */ 7131 7132 sata_atapi_packet_cmd_setup(scmd, sdinfo); 7133 7134 /* Copy cdb into sata_cmd */ 7135 scmd->satacmd_acdb_len = sdinfo->satadrv_atapi_cdb_len; 7136 bzero(scmd->satacmd_acdb, SATA_ATAPI_MAX_CDB_LEN); 7137 bcopy(cdbp, scmd->satacmd_acdb, cdblen); 7138 7139 /* See note in the command header */ 7140 if (scmd->satacmd_acdb[0] == SCMD_INQUIRY) { 7141 if (scmd->satacmd_acdb[3] != 0) 7142 scmd->satacmd_acdb[4] = 255; 7143 } 7144 7145 #ifdef SATA_DEBUG 7146 if (sata_debug_flags & SATA_DBG_ATAPI) { 7147 uint8_t *p = scmd->satacmd_acdb; 7148 char buf[3 * SATA_ATAPI_MAX_CDB_LEN]; 7149 7150 (void) snprintf(buf, SATA_ATAPI_MAX_CDB_LEN, 7151 "%02x %02x %02x %02x %02x %02x %02x %02x " 7152 "%2x %02x %02x %02x %02x %02x %02x %02x", 7153 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], 7154 p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]); 7155 buf[(3 * SATA_ATAPI_MAX_CDB_LEN) - 1] = '\0'; 7156 cmn_err(CE_NOTE, "ATAPI cdb: %s\n", buf); 7157 } 7158 #endif 7159 7160 /* 7161 * Preset request sense data to NO SENSE. 7162 * If there is no way to get error information via Request Sense, 7163 * the packet request sense data would not have to be modified by HBA, 7164 * but it could be returned as is. 7165 */ 7166 bzero(scmd->satacmd_rqsense, SATA_ATAPI_RQSENSE_LEN); 7167 sata_fixed_sense_data_preset( 7168 (struct scsi_extended_sense *)scmd->satacmd_rqsense); 7169 7170 if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { 7171 /* Need callback function */ 7172 spx->txlt_sata_pkt->satapkt_comp = sata_txlt_atapi_completion; 7173 synch = FALSE; 7174 } else 7175 synch = TRUE; 7176 7177 /* Transfer command to HBA */ 7178 if (sata_hba_start(spx, &rval) != 0) { 7179 /* Pkt not accepted for execution */ 7180 mutex_exit(&SATA_CPORT_MUTEX(sata_hba, cport)); 7181 return (rval); 7182 } 7183 mutex_exit(&SATA_CPORT_MUTEX(sata_hba, cport)); 7184 /* 7185 * If execution is non-synchronous, 7186 * a callback function will handle potential errors, translate 7187 * the response and will do a callback to a target driver. 7188 * If it was synchronous, use the same framework callback to check 7189 * an execution status. 7190 */ 7191 if (synch) { 7192 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 7193 "synchronous execution status %x\n", 7194 spx->txlt_sata_pkt->satapkt_reason); 7195 sata_txlt_atapi_completion(spx->txlt_sata_pkt); 7196 } 7197 return (TRAN_ACCEPT); 7198 } 7199 7200 7201 /* 7202 * ATAPI Packet command completion. 7203 * 7204 * Failure of the command passed via Packet command are considered device 7205 * error. SATA HBA driver would have to retrieve error data (via Request 7206 * Sense command delivered via error retrieval sata packet) and copy it 7207 * to satacmd_rqsense array. From there, it is moved into scsi pkt sense data. 7208 */ 7209 static void 7210 sata_txlt_atapi_completion(sata_pkt_t *sata_pkt) 7211 { 7212 sata_pkt_txlate_t *spx = 7213 (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; 7214 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 7215 struct scsi_extended_sense *sense; 7216 struct buf *bp; 7217 int rval; 7218 7219 #ifdef SATA_DEBUG 7220 uint8_t *rqsp = sata_pkt->satapkt_cmd.satacmd_rqsense; 7221 #endif 7222 7223 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 7224 STATE_SENT_CMD | STATE_GOT_STATUS; 7225 7226 if (sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) { 7227 /* Normal completion */ 7228 if (sata_pkt->satapkt_cmd.satacmd_bp != NULL) 7229 scsipkt->pkt_state |= STATE_XFERRED_DATA; 7230 scsipkt->pkt_reason = CMD_CMPLT; 7231 *scsipkt->pkt_scbp = STATUS_GOOD; 7232 if (spx->txlt_tmp_buf != NULL) { 7233 /* Temporary buffer was used */ 7234 bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 7235 if (bp->b_flags & B_READ) { 7236 rval = ddi_dma_sync( 7237 spx->txlt_buf_dma_handle, 0, 0, 7238 DDI_DMA_SYNC_FORCPU); 7239 ASSERT(rval == DDI_SUCCESS); 7240 bcopy(spx->txlt_tmp_buf, bp->b_un.b_addr, 7241 bp->b_bcount); 7242 } 7243 } 7244 } else { 7245 /* 7246 * Something went wrong - analyze return 7247 */ 7248 *scsipkt->pkt_scbp = STATUS_CHECK; 7249 sense = sata_arq_sense(spx); 7250 7251 if (sata_pkt->satapkt_reason == SATA_PKT_DEV_ERROR) { 7252 /* 7253 * pkt_reason should be CMD_CMPLT for DEVICE ERROR. 7254 * Under this condition ERR bit is set for ATA command, 7255 * and CHK bit set for ATAPI command. 7256 * 7257 * Please check st_intr & sdintr about how pkt_reason 7258 * is used. 7259 */ 7260 scsipkt->pkt_reason = CMD_CMPLT; 7261 7262 /* 7263 * We may not have ARQ data if there was a double 7264 * error. But sense data in sata packet was pre-set 7265 * with NO SENSE so it is valid even if HBA could 7266 * not retrieve a real sense data. 7267 * Just copy this sense data into scsi pkt sense area. 7268 */ 7269 bcopy(sata_pkt->satapkt_cmd.satacmd_rqsense, sense, 7270 SATA_ATAPI_MIN_RQSENSE_LEN); 7271 #ifdef SATA_DEBUG 7272 if (sata_debug_flags & SATA_DBG_SCSI_IF) { 7273 sata_log(spx->txlt_sata_hba_inst, CE_WARN, 7274 "sata_txlt_atapi_completion: %02x\n" 7275 "RQSENSE: %02x %02x %02x %02x %02x %02x " 7276 " %02x %02x %02x %02x %02x %02x " 7277 " %02x %02x %02x %02x %02x %02x\n", 7278 scsipkt->pkt_reason, 7279 rqsp[0], rqsp[1], rqsp[2], rqsp[3], 7280 rqsp[4], rqsp[5], rqsp[6], rqsp[7], 7281 rqsp[8], rqsp[9], rqsp[10], rqsp[11], 7282 rqsp[12], rqsp[13], rqsp[14], rqsp[15], 7283 rqsp[16], rqsp[17]); 7284 } 7285 #endif 7286 } else { 7287 switch (sata_pkt->satapkt_reason) { 7288 case SATA_PKT_PORT_ERROR: 7289 /* 7290 * We have no device data. 7291 */ 7292 scsipkt->pkt_reason = CMD_INCOMPLETE; 7293 scsipkt->pkt_state &= ~(STATE_GOT_BUS | 7294 STATE_GOT_TARGET | STATE_SENT_CMD | 7295 STATE_GOT_STATUS); 7296 sense->es_key = KEY_HARDWARE_ERROR; 7297 break; 7298 7299 case SATA_PKT_TIMEOUT: 7300 scsipkt->pkt_reason = CMD_TIMEOUT; 7301 scsipkt->pkt_statistics |= 7302 STAT_TIMEOUT | STAT_DEV_RESET; 7303 /* 7304 * Need to check if HARDWARE_ERROR/ 7305 * TIMEOUT_ON_LOGICAL_UNIT 4/3E/2 would be more 7306 * appropriate. 7307 */ 7308 break; 7309 7310 case SATA_PKT_ABORTED: 7311 scsipkt->pkt_reason = CMD_ABORTED; 7312 scsipkt->pkt_statistics |= STAT_ABORTED; 7313 /* Should we set key COMMAND_ABPRTED? */ 7314 break; 7315 7316 case SATA_PKT_RESET: 7317 scsipkt->pkt_reason = CMD_RESET; 7318 scsipkt->pkt_statistics |= STAT_DEV_RESET; 7319 /* 7320 * May be we should set Unit Attention / 7321 * Reset. Perhaps the same should be 7322 * returned for disks.... 7323 */ 7324 sense->es_key = KEY_UNIT_ATTENTION; 7325 sense->es_add_code = SD_SCSI_ASC_RESET; 7326 break; 7327 7328 default: 7329 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 7330 "sata_txlt_atapi_completion: " 7331 "invalid packet completion reason")); 7332 scsipkt->pkt_reason = CMD_TRAN_ERR; 7333 scsipkt->pkt_state &= ~(STATE_GOT_BUS | 7334 STATE_GOT_TARGET | STATE_SENT_CMD | 7335 STATE_GOT_STATUS); 7336 break; 7337 } 7338 } 7339 } 7340 7341 SATAATAPITRACE(spx, 0); 7342 7343 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 7344 scsipkt->pkt_comp != NULL) { 7345 /* scsi callback required */ 7346 (*scsipkt->pkt_comp)(scsipkt); 7347 } 7348 } 7349 7350 /* 7351 * Set up error retrieval sata command for ATAPI Packet Command error data 7352 * recovery. 7353 * 7354 * Returns SATA_SUCCESS when data buffer is allocated and packet set-up, 7355 * returns SATA_FAILURE otherwise. 7356 */ 7357 7358 static int 7359 sata_atapi_err_ret_cmd_setup(sata_pkt_txlate_t *spx, sata_drive_info_t *sdinfo) 7360 { 7361 sata_pkt_t *spkt = spx->txlt_sata_pkt; 7362 sata_cmd_t *scmd; 7363 struct buf *bp; 7364 7365 /* 7366 * Allocate dma-able buffer error data. 7367 * Buffer allocation will take care of buffer alignment and other DMA 7368 * attributes. 7369 */ 7370 bp = sata_alloc_local_buffer(spx, SATA_ATAPI_MIN_RQSENSE_LEN); 7371 if (bp == NULL) { 7372 SATADBG1(SATA_DBG_ATAPI, spx->txlt_sata_hba_inst, 7373 "sata_get_err_retrieval_pkt: " 7374 "cannot allocate buffer for error data", NULL); 7375 return (SATA_FAILURE); 7376 } 7377 bp_mapin(bp); /* make data buffer accessible */ 7378 7379 /* Operation modes are up to the caller */ 7380 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 7381 7382 /* Synchronous mode, no callback - may be changed by the caller */ 7383 spkt->satapkt_comp = NULL; 7384 spkt->satapkt_time = sata_default_pkt_time; 7385 7386 scmd = &spkt->satapkt_cmd; 7387 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 7388 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 7389 7390 sata_atapi_packet_cmd_setup(scmd, sdinfo); 7391 7392 /* 7393 * Set-up acdb. Request Sense CDB (packet command content) is 7394 * not in DMA-able buffer. Its handling is HBA-specific (how 7395 * it is transfered into packet FIS). 7396 */ 7397 scmd->satacmd_acdb_len = sdinfo->satadrv_atapi_cdb_len; 7398 bcopy(sata_rqsense_cdb, scmd->satacmd_acdb, SATA_ATAPI_RQSENSE_CDB_LEN); 7399 /* Following zeroing of pad bytes may not be necessary */ 7400 bzero(&scmd->satacmd_acdb[SATA_ATAPI_RQSENSE_CDB_LEN], 7401 sdinfo->satadrv_atapi_cdb_len - SATA_ATAPI_RQSENSE_CDB_LEN); 7402 7403 /* 7404 * Set-up pointer to the buffer handle, so HBA can sync buffer 7405 * before accessing it. Handle is in usual place in translate struct. 7406 */ 7407 scmd->satacmd_err_ret_buf_handle = &spx->txlt_buf_dma_handle; 7408 7409 /* 7410 * Preset request sense data to NO SENSE. 7411 * Here it is redundant, only for a symetry with scsi-originated 7412 * packets. It should not be used for anything but debugging. 7413 */ 7414 bzero(scmd->satacmd_rqsense, SATA_ATAPI_RQSENSE_LEN); 7415 sata_fixed_sense_data_preset( 7416 (struct scsi_extended_sense *)scmd->satacmd_rqsense); 7417 7418 ASSERT(scmd->satacmd_num_dma_cookies != 0); 7419 ASSERT(scmd->satacmd_dma_cookie_list != NULL); 7420 7421 return (SATA_SUCCESS); 7422 } 7423 7424 /* 7425 * Set-up ATAPI packet command. 7426 * Data transfer direction has to be set-up in sata_cmd structure prior to 7427 * calling this function. 7428 * 7429 * Returns void 7430 */ 7431 7432 static void 7433 sata_atapi_packet_cmd_setup(sata_cmd_t *scmd, sata_drive_info_t *sdinfo) 7434 { 7435 scmd->satacmd_addr_type = 0; /* N/A */ 7436 scmd->satacmd_sec_count_lsb = 0; /* no tag */ 7437 scmd->satacmd_lba_low_lsb = 0; /* N/A */ 7438 scmd->satacmd_lba_mid_lsb = (uint8_t)SATA_ATAPI_MAX_BYTES_PER_DRQ; 7439 scmd->satacmd_lba_high_lsb = 7440 (uint8_t)(SATA_ATAPI_MAX_BYTES_PER_DRQ >> 8); 7441 scmd->satacmd_cmd_reg = SATAC_PACKET; /* Command */ 7442 7443 /* 7444 * We want all data to be transfered via DMA. 7445 * But specify it only if drive supports DMA and DMA mode is 7446 * selected - some drives are sensitive about it. 7447 * Hopefully it wil work for all drives.... 7448 */ 7449 if (sdinfo->satadrv_settings & SATA_DEV_DMA) 7450 scmd->satacmd_features_reg = SATA_ATAPI_F_DMA; 7451 7452 /* 7453 * Features register requires special care for devices that use 7454 * Serial ATA bridge - they need an explicit specification of 7455 * the data transfer direction for Packet DMA commands. 7456 * Setting this bit is harmless if DMA is not used. 7457 * 7458 * Many drives do not implement word 80, specifying what ATA/ATAPI 7459 * spec they follow. 7460 * We are arbitrarily following the latest SerialATA 2.6 spec, 7461 * which uses ATA/ATAPI 6 specification for Identify Data, unless 7462 * ATA/ATAPI-7 support is explicitly indicated. 7463 */ 7464 if (sdinfo->satadrv_id.ai_majorversion != 0 && 7465 sdinfo->satadrv_id.ai_majorversion != 0xffff && 7466 (sdinfo->satadrv_id.ai_majorversion & SATA_MAJVER_7) != 0) { 7467 /* 7468 * Specification of major version is valid and version 7 7469 * is supported. It does automatically imply that all 7470 * spec features are supported. For now, we assume that 7471 * DMADIR setting is valid. ATA/ATAPI7 spec is incomplete. 7472 */ 7473 if ((sdinfo->satadrv_id.ai_dirdma & 7474 SATA_ATAPI_ID_DMADIR_REQ) != 0) { 7475 if (scmd->satacmd_flags.sata_data_direction == 7476 SATA_DIR_READ) 7477 scmd->satacmd_features_reg |= 7478 SATA_ATAPI_F_DATA_DIR_READ; 7479 } 7480 } 7481 } 7482 7483 7484 #ifdef SATA_DEBUG 7485 7486 /* Display 18 bytes of Inquiry data */ 7487 static void 7488 sata_show_inqry_data(uint8_t *buf) 7489 { 7490 struct scsi_inquiry *inq = (struct scsi_inquiry *)buf; 7491 uint8_t *p; 7492 7493 cmn_err(CE_NOTE, "Inquiry data:"); 7494 cmn_err(CE_NOTE, "device type %x", inq->inq_dtype); 7495 cmn_err(CE_NOTE, "removable media %x", inq->inq_rmb); 7496 cmn_err(CE_NOTE, "version %x", inq->inq_ansi); 7497 cmn_err(CE_NOTE, "ATAPI transport version %d", 7498 SATA_ATAPI_TRANS_VERSION(inq)); 7499 cmn_err(CE_NOTE, "response data format %d, aenc %d", 7500 inq->inq_rdf, inq->inq_aenc); 7501 cmn_err(CE_NOTE, " additional length %d", inq->inq_len); 7502 cmn_err(CE_NOTE, "tpgs %d", inq->inq_tpgs); 7503 p = (uint8_t *)inq->inq_vid; 7504 cmn_err(CE_NOTE, "vendor id (binary): %02x %02x %02x %02x " 7505 "%02x %02x %02x %02x", 7506 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]); 7507 p = (uint8_t *)inq->inq_vid; 7508 cmn_err(CE_NOTE, "vendor id: %c %c %c %c %c %c %c %c", 7509 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]); 7510 7511 p = (uint8_t *)inq->inq_pid; 7512 cmn_err(CE_NOTE, "product id (binary): %02x %02x %02x %02x " 7513 "%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x", 7514 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], 7515 p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]); 7516 p = (uint8_t *)inq->inq_pid; 7517 cmn_err(CE_NOTE, "product id: %c %c %c %c %c %c %c %c " 7518 "%c %c %c %c %c %c %c %c", 7519 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], 7520 p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]); 7521 7522 p = (uint8_t *)inq->inq_revision; 7523 cmn_err(CE_NOTE, "revision (binary): %02x %02x %02x %02x", 7524 p[0], p[1], p[2], p[3]); 7525 p = (uint8_t *)inq->inq_revision; 7526 cmn_err(CE_NOTE, "revision: %c %c %c %c", 7527 p[0], p[1], p[2], p[3]); 7528 7529 } 7530 7531 7532 static void 7533 sata_save_atapi_trace(sata_pkt_txlate_t *spx, int count) 7534 { 7535 struct scsi_pkt *scsi_pkt = spx->txlt_scsi_pkt; 7536 7537 if (scsi_pkt == NULL) 7538 return; 7539 if (count != 0) { 7540 /* saving cdb */ 7541 bzero(sata_atapi_trace[sata_atapi_trace_index].acdb, 7542 SATA_ATAPI_MAX_CDB_LEN); 7543 bcopy(scsi_pkt->pkt_cdbp, 7544 sata_atapi_trace[sata_atapi_trace_index].acdb, count); 7545 } else { 7546 bcopy(&((struct scsi_arq_status *)scsi_pkt->pkt_scbp)-> 7547 sts_sensedata, 7548 sata_atapi_trace[sata_atapi_trace_index].arqs, 7549 SATA_ATAPI_MIN_RQSENSE_LEN); 7550 sata_atapi_trace[sata_atapi_trace_index].scsi_pkt_reason = 7551 scsi_pkt->pkt_reason; 7552 sata_atapi_trace[sata_atapi_trace_index].sata_pkt_reason = 7553 spx->txlt_sata_pkt->satapkt_reason; 7554 7555 if (++sata_atapi_trace_index >= 64) 7556 sata_atapi_trace_index = 0; 7557 } 7558 } 7559 7560 #endif 7561 7562 /* 7563 * Fetch inquiry data from ATAPI device 7564 * Returns SATA_SUCCESS if operation was successfull, SATA_FAILURE otherwise. 7565 * 7566 * Note: 7567 * inqb pointer does not point to a DMA-able buffer. It is a local buffer 7568 * where the caller expects to see the inquiry data. 7569 * 7570 */ 7571 7572 static int 7573 sata_get_atapi_inquiry_data(sata_hba_inst_t *sata_hba, 7574 sata_address_t *saddr, struct scsi_inquiry *inq) 7575 { 7576 sata_pkt_txlate_t *spx; 7577 sata_pkt_t *spkt; 7578 struct buf *bp; 7579 sata_drive_info_t *sdinfo; 7580 sata_cmd_t *scmd; 7581 int rval; 7582 uint8_t *rqsp; 7583 #ifdef SATA_DEBUG 7584 char msg_buf[MAXPATHLEN]; 7585 #endif 7586 7587 ASSERT(sata_hba != NULL); 7588 7589 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 7590 spx->txlt_sata_hba_inst = sata_hba; 7591 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 7592 spkt = sata_pkt_alloc(spx, NULL); 7593 if (spkt == NULL) { 7594 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 7595 return (SATA_FAILURE); 7596 } 7597 /* address is needed now */ 7598 spkt->satapkt_device.satadev_addr = *saddr; 7599 7600 /* scsi_inquiry size buffer */ 7601 bp = sata_alloc_local_buffer(spx, sizeof (struct scsi_inquiry)); 7602 if (bp == NULL) { 7603 sata_pkt_free(spx); 7604 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 7605 SATA_LOG_D((sata_hba, CE_WARN, 7606 "sata_get_atapi_inquiry_data: " 7607 "cannot allocate data buffer")); 7608 return (SATA_FAILURE); 7609 } 7610 bp_mapin(bp); /* make data buffer accessible */ 7611 7612 scmd = &spkt->satapkt_cmd; 7613 ASSERT(scmd->satacmd_num_dma_cookies != 0); 7614 ASSERT(scmd->satacmd_dma_cookie_list != NULL); 7615 7616 /* Use synchronous mode */ 7617 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 7618 spkt->satapkt_comp = NULL; 7619 spkt->satapkt_time = sata_default_pkt_time; 7620 7621 /* Issue inquiry command - 6 bytes cdb, data transfer, read */ 7622 7623 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 7624 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 7625 7626 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 7627 sdinfo = sata_get_device_info(sata_hba, 7628 &spx->txlt_sata_pkt->satapkt_device); 7629 if (sdinfo == NULL) { 7630 /* we have to be carefull about the disapearing device */ 7631 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 7632 rval = SATA_FAILURE; 7633 goto cleanup; 7634 } 7635 sata_atapi_packet_cmd_setup(scmd, sdinfo); 7636 7637 /* 7638 * Set-up acdb. This works for atapi transport version 2 and later. 7639 */ 7640 scmd->satacmd_acdb_len = sdinfo->satadrv_atapi_cdb_len; 7641 bzero(scmd->satacmd_acdb, SATA_ATAPI_MAX_CDB_LEN); 7642 scmd->satacmd_acdb[0] = 0x12; /* Inquiry */ 7643 scmd->satacmd_acdb[1] = 0x00; 7644 scmd->satacmd_acdb[2] = 0x00; 7645 scmd->satacmd_acdb[3] = 0x00; 7646 scmd->satacmd_acdb[4] = sizeof (struct scsi_inquiry); 7647 scmd->satacmd_acdb[5] = 0x00; 7648 7649 sata_fixed_sense_data_preset( 7650 (struct scsi_extended_sense *)scmd->satacmd_rqsense); 7651 7652 /* Transfer command to HBA */ 7653 if (sata_hba_start(spx, &rval) != 0) { 7654 /* Pkt not accepted for execution */ 7655 SATADBG1(SATA_DBG_ATAPI, sata_hba, 7656 "sata_get_atapi_inquiry_data: " 7657 "Packet not accepted for execution - ret: %02x", rval); 7658 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 7659 rval = SATA_FAILURE; 7660 goto cleanup; 7661 } 7662 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 7663 7664 if (spkt->satapkt_reason == SATA_PKT_COMPLETED) { 7665 SATADBG1(SATA_DBG_ATAPI, sata_hba, 7666 "sata_get_atapi_inquiry_data: " 7667 "Packet completed successfully - ret: %02x", rval); 7668 if (spx->txlt_buf_dma_handle != NULL) { 7669 /* 7670 * Sync buffer. Handle is in usual place in translate 7671 * struct. 7672 */ 7673 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 7674 DDI_DMA_SYNC_FORCPU); 7675 ASSERT(rval == DDI_SUCCESS); 7676 } 7677 /* 7678 * Normal completion - copy data into caller's buffer 7679 */ 7680 bcopy(bp->b_un.b_addr, (uint8_t *)inq, 7681 sizeof (struct scsi_inquiry)); 7682 #ifdef SATA_DEBUG 7683 if (sata_debug_flags & SATA_DBG_ATAPI) { 7684 sata_show_inqry_data((uint8_t *)inq); 7685 } 7686 #endif 7687 rval = SATA_SUCCESS; 7688 } else { 7689 /* 7690 * Something went wrong - analyze return - check rqsense data 7691 */ 7692 rval = SATA_FAILURE; 7693 if (spkt->satapkt_reason == SATA_PKT_DEV_ERROR) { 7694 /* 7695 * ARQ data hopefull show something other than NO SENSE 7696 */ 7697 rqsp = scmd->satacmd_rqsense; 7698 #ifdef SATA_DEBUG 7699 if (sata_debug_flags & SATA_DBG_ATAPI) { 7700 msg_buf[0] = '\0'; 7701 (void) snprintf(msg_buf, MAXPATHLEN, 7702 "ATAPI packet completion reason: %02x\n" 7703 "RQSENSE: %02x %02x %02x %02x %02x %02x\n" 7704 " %02x %02x %02x %02x %02x %02x\n" 7705 " %02x %02x %02x %02x %02x %02x", 7706 spkt->satapkt_reason, 7707 rqsp[0], rqsp[1], rqsp[2], rqsp[3], 7708 rqsp[4], rqsp[5], rqsp[6], rqsp[7], 7709 rqsp[8], rqsp[9], rqsp[10], rqsp[11], 7710 rqsp[12], rqsp[13], rqsp[14], rqsp[15], 7711 rqsp[16], rqsp[17]); 7712 sata_log(spx->txlt_sata_hba_inst, CE_WARN, 7713 "%s", msg_buf); 7714 } 7715 #endif 7716 } else { 7717 switch (spkt->satapkt_reason) { 7718 case SATA_PKT_PORT_ERROR: 7719 SATADBG1(SATA_DBG_ATAPI, sata_hba, 7720 "sata_get_atapi_inquiry_data: " 7721 "packet reason: port error", NULL); 7722 break; 7723 7724 case SATA_PKT_TIMEOUT: 7725 SATADBG1(SATA_DBG_ATAPI, sata_hba, 7726 "sata_get_atapi_inquiry_data: " 7727 "packet reason: timeout", NULL); 7728 break; 7729 7730 case SATA_PKT_ABORTED: 7731 SATADBG1(SATA_DBG_ATAPI, sata_hba, 7732 "sata_get_atapi_inquiry_data: " 7733 "packet reason: aborted", NULL); 7734 break; 7735 7736 case SATA_PKT_RESET: 7737 SATADBG1(SATA_DBG_ATAPI, sata_hba, 7738 "sata_get_atapi_inquiry_data: " 7739 "packet reason: reset\n", NULL); 7740 break; 7741 default: 7742 SATADBG1(SATA_DBG_ATAPI, sata_hba, 7743 "sata_get_atapi_inquiry_data: " 7744 "invalid packet reason: %02x\n", 7745 spkt->satapkt_reason); 7746 break; 7747 } 7748 } 7749 } 7750 cleanup: 7751 sata_free_local_buffer(spx); 7752 sata_pkt_free(spx); 7753 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 7754 return (rval); 7755 } 7756 7757 7758 7759 7760 7761 #if 0 7762 #ifdef SATA_DEBUG 7763 7764 /* 7765 * Test ATAPI packet command. 7766 * Single threaded test: send packet command in synch mode, process completion 7767 * 7768 */ 7769 static void 7770 sata_test_atapi_packet_command(sata_hba_inst_t *sata_hba_inst, int cport) 7771 { 7772 sata_pkt_txlate_t *spx; 7773 sata_pkt_t *spkt; 7774 struct buf *bp; 7775 sata_device_t sata_device; 7776 sata_drive_info_t *sdinfo; 7777 sata_cmd_t *scmd; 7778 int rval; 7779 uint8_t *rqsp; 7780 7781 ASSERT(sata_hba_inst != NULL); 7782 sata_device.satadev_addr.cport = cport; 7783 sata_device.satadev_addr.pmport = 0; 7784 sata_device.satadev_addr.qual = SATA_ADDR_DCPORT; 7785 sata_device.satadev_rev = SATA_DEVICE_REV; 7786 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 7787 sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); 7788 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 7789 if (sdinfo == NULL) { 7790 sata_log(sata_hba_inst, CE_WARN, 7791 "sata_test_atapi_packet_command: " 7792 "no device info for cport %d", 7793 sata_device.satadev_addr.cport); 7794 return; 7795 } 7796 7797 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 7798 spx->txlt_sata_hba_inst = sata_hba_inst; 7799 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 7800 spkt = sata_pkt_alloc(spx, NULL); 7801 if (spkt == NULL) { 7802 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 7803 return; 7804 } 7805 /* address is needed now */ 7806 spkt->satapkt_device.satadev_addr = sata_device.satadev_addr; 7807 7808 /* 1024k buffer */ 7809 bp = sata_alloc_local_buffer(spx, 1024); 7810 if (bp == NULL) { 7811 sata_pkt_free(spx); 7812 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 7813 sata_log(sata_hba_inst, CE_WARN, 7814 "sata_test_atapi_packet_command: " 7815 "cannot allocate data buffer"); 7816 return; 7817 } 7818 bp_mapin(bp); /* make data buffer accessible */ 7819 7820 scmd = &spkt->satapkt_cmd; 7821 ASSERT(scmd->satacmd_num_dma_cookies != 0); 7822 ASSERT(scmd->satacmd_dma_cookie_list != NULL); 7823 7824 /* Use synchronous mode */ 7825 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 7826 7827 /* Synchronous mode, no callback - may be changed by the caller */ 7828 spkt->satapkt_comp = NULL; 7829 spkt->satapkt_time = sata_default_pkt_time; 7830 7831 /* Issue inquiry command - 6 bytes cdb, data transfer, read */ 7832 7833 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 7834 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 7835 7836 sata_atapi_packet_cmd_setup(scmd, sdinfo); 7837 7838 /* Set-up acdb. */ 7839 scmd->satacmd_acdb_len = sdinfo->satadrv_atapi_cdb_len; 7840 bzero(scmd->satacmd_acdb, SATA_ATAPI_MAX_CDB_LEN); 7841 scmd->satacmd_acdb[0] = 0x12; /* Inquiry */ 7842 scmd->satacmd_acdb[1] = 0x00; 7843 scmd->satacmd_acdb[2] = 0x00; 7844 scmd->satacmd_acdb[3] = 0x00; 7845 scmd->satacmd_acdb[4] = sizeof (struct scsi_inquiry); 7846 scmd->satacmd_acdb[5] = 0x00; 7847 7848 sata_fixed_sense_data_preset( 7849 (struct scsi_extended_sense *)scmd->satacmd_rqsense); 7850 7851 /* Transfer command to HBA */ 7852 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 7853 if (sata_hba_start(spx, &rval) != 0) { 7854 /* Pkt not accepted for execution */ 7855 sata_log(sata_hba_inst, CE_WARN, 7856 "sata_test_atapi_packet_command: " 7857 "Packet not accepted for execution - ret: %02x", rval); 7858 mutex_exit( 7859 &SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 7860 goto cleanup; 7861 } 7862 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 7863 7864 if (spx->txlt_buf_dma_handle != NULL) { 7865 /* 7866 * Sync buffer. Handle is in usual place in translate struct. 7867 */ 7868 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 7869 DDI_DMA_SYNC_FORCPU); 7870 ASSERT(rval == DDI_SUCCESS); 7871 } 7872 if (spkt->satapkt_reason == SATA_PKT_COMPLETED) { 7873 sata_log(sata_hba_inst, CE_WARN, 7874 "sata_test_atapi_packet_command: " 7875 "Packet completed successfully"); 7876 /* 7877 * Normal completion - show inquiry data 7878 */ 7879 sata_show_inqry_data((uint8_t *)bp->b_un.b_addr); 7880 } else { 7881 /* 7882 * Something went wrong - analyze return - check rqsense data 7883 */ 7884 if (spkt->satapkt_reason == SATA_PKT_DEV_ERROR) { 7885 /* 7886 * ARQ data hopefull show something other than NO SENSE 7887 */ 7888 rqsp = scmd->satacmd_rqsense; 7889 sata_log(spx->txlt_sata_hba_inst, CE_WARN, 7890 "ATAPI packet completion reason: %02x\n" 7891 "RQSENSE: %02x %02x %02x %02x %02x %02x " 7892 " %02x %02x %02x %02x %02x %02x " 7893 " %02x %02x %02x %02x %02x %02x\n", 7894 spkt->satapkt_reason, 7895 rqsp[0], rqsp[1], rqsp[2], rqsp[3], 7896 rqsp[4], rqsp[5], rqsp[6], rqsp[7], 7897 rqsp[8], rqsp[9], rqsp[10], rqsp[11], 7898 rqsp[12], rqsp[13], rqsp[14], rqsp[15], 7899 rqsp[16], rqsp[17]); 7900 } else { 7901 switch (spkt->satapkt_reason) { 7902 case SATA_PKT_PORT_ERROR: 7903 sata_log(sata_hba_inst, CE_WARN, 7904 "sata_test_atapi_packet_command: " 7905 "packet reason: port error\n"); 7906 break; 7907 7908 case SATA_PKT_TIMEOUT: 7909 sata_log(sata_hba_inst, CE_WARN, 7910 "sata_test_atapi_packet_command: " 7911 "packet reason: timeout\n"); 7912 break; 7913 7914 case SATA_PKT_ABORTED: 7915 sata_log(sata_hba_inst, CE_WARN, 7916 "sata_test_atapi_packet_command: " 7917 "packet reason: aborted\n"); 7918 break; 7919 7920 case SATA_PKT_RESET: 7921 sata_log(sata_hba_inst, CE_WARN, 7922 "sata_test_atapi_packet_command: " 7923 "packet reason: reset\n"); 7924 break; 7925 default: 7926 sata_log(sata_hba_inst, CE_WARN, 7927 "sata_test_atapi_packet_command: " 7928 "invalid packet reason: %02x\n", 7929 spkt->satapkt_reason); 7930 break; 7931 } 7932 } 7933 } 7934 cleanup: 7935 sata_free_local_buffer(spx); 7936 sata_pkt_free(spx); 7937 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 7938 } 7939 7940 #endif /* SATA_DEBUG */ 7941 #endif /* 1 */ 7942 7943 7944 /* ************************** LOCAL HELPER FUNCTIONS *********************** */ 7945 7946 /* 7947 * Validate sata_tran info 7948 * SATA_FAILURE returns if structure is inconsistent or structure revision 7949 * does not match one used by the framework. 7950 * 7951 * Returns SATA_SUCCESS if sata_hba_tran has matching revision and contains 7952 * required function pointers. 7953 * Returns SATA_FAILURE otherwise. 7954 */ 7955 static int 7956 sata_validate_sata_hba_tran(dev_info_t *dip, sata_hba_tran_t *sata_tran) 7957 { 7958 /* 7959 * SATA_TRAN_HBA_REV is the current (highest) revision number 7960 * of the SATA interface. 7961 */ 7962 if (sata_tran->sata_tran_hba_rev > SATA_TRAN_HBA_REV) { 7963 sata_log(NULL, CE_WARN, 7964 "sata: invalid sata_hba_tran version %d for driver %s", 7965 sata_tran->sata_tran_hba_rev, ddi_driver_name(dip)); 7966 return (SATA_FAILURE); 7967 } 7968 7969 if (dip != sata_tran->sata_tran_hba_dip) { 7970 SATA_LOG_D((NULL, CE_WARN, 7971 "sata: inconsistent sata_tran_hba_dip " 7972 "%p / %p", sata_tran->sata_tran_hba_dip, dip)); 7973 return (SATA_FAILURE); 7974 } 7975 7976 if (sata_tran->sata_tran_probe_port == NULL || 7977 sata_tran->sata_tran_start == NULL || 7978 sata_tran->sata_tran_abort == NULL || 7979 sata_tran->sata_tran_reset_dport == NULL || 7980 sata_tran->sata_tran_hotplug_ops == NULL || 7981 sata_tran->sata_tran_hotplug_ops->sata_tran_port_activate == NULL || 7982 sata_tran->sata_tran_hotplug_ops->sata_tran_port_deactivate == 7983 NULL) { 7984 SATA_LOG_D((NULL, CE_WARN, "sata: sata_hba_tran missing " 7985 "required functions")); 7986 } 7987 return (SATA_SUCCESS); 7988 } 7989 7990 /* 7991 * Remove HBA instance from sata_hba_list. 7992 */ 7993 static void 7994 sata_remove_hba_instance(dev_info_t *dip) 7995 { 7996 sata_hba_inst_t *sata_hba_inst; 7997 7998 mutex_enter(&sata_mutex); 7999 for (sata_hba_inst = sata_hba_list; 8000 sata_hba_inst != (struct sata_hba_inst *)NULL; 8001 sata_hba_inst = sata_hba_inst->satahba_next) { 8002 if (sata_hba_inst->satahba_dip == dip) 8003 break; 8004 } 8005 8006 if (sata_hba_inst == (struct sata_hba_inst *)NULL) { 8007 #ifdef SATA_DEBUG 8008 cmn_err(CE_WARN, "sata_remove_hba_instance: " 8009 "unknown HBA instance\n"); 8010 #endif 8011 ASSERT(FALSE); 8012 } 8013 if (sata_hba_inst == sata_hba_list) { 8014 sata_hba_list = sata_hba_inst->satahba_next; 8015 if (sata_hba_list) { 8016 sata_hba_list->satahba_prev = 8017 (struct sata_hba_inst *)NULL; 8018 } 8019 if (sata_hba_inst == sata_hba_list_tail) { 8020 sata_hba_list_tail = NULL; 8021 } 8022 } else if (sata_hba_inst == sata_hba_list_tail) { 8023 sata_hba_list_tail = sata_hba_inst->satahba_prev; 8024 if (sata_hba_list_tail) { 8025 sata_hba_list_tail->satahba_next = 8026 (struct sata_hba_inst *)NULL; 8027 } 8028 } else { 8029 sata_hba_inst->satahba_prev->satahba_next = 8030 sata_hba_inst->satahba_next; 8031 sata_hba_inst->satahba_next->satahba_prev = 8032 sata_hba_inst->satahba_prev; 8033 } 8034 mutex_exit(&sata_mutex); 8035 } 8036 8037 8038 8039 8040 8041 /* 8042 * Probe all SATA ports of the specified HBA instance. 8043 * The assumption is that there are no target and attachment point minor nodes 8044 * created by the boot subsystems, so we do not need to prune device tree. 8045 * 8046 * This function is called only from sata_hba_attach(). It does not have to 8047 * be protected by controller mutex, because the hba_attached flag is not set 8048 * yet and no one would be touching this HBA instance other than this thread. 8049 * Determines if port is active and what type of the device is attached 8050 * (if any). Allocates necessary structures for each port. 8051 * 8052 * An AP (Attachement Point) node is created for each SATA device port even 8053 * when there is no device attached. 8054 */ 8055 8056 static void 8057 sata_probe_ports(sata_hba_inst_t *sata_hba_inst) 8058 { 8059 dev_info_t *dip = SATA_DIP(sata_hba_inst); 8060 int ncport, npmport; 8061 sata_cport_info_t *cportinfo; 8062 sata_drive_info_t *drive; 8063 sata_pmult_info_t *pminfo; 8064 sata_pmport_info_t *pmportinfo; 8065 sata_device_t sata_device; 8066 int rval; 8067 dev_t minor_number; 8068 char name[16]; 8069 clock_t start_time, cur_time; 8070 8071 /* 8072 * Probe controller ports first, to find port status and 8073 * any port multiplier attached. 8074 */ 8075 for (ncport = 0; ncport < SATA_NUM_CPORTS(sata_hba_inst); ncport++) { 8076 /* allocate cport structure */ 8077 cportinfo = kmem_zalloc(sizeof (sata_cport_info_t), KM_SLEEP); 8078 ASSERT(cportinfo != NULL); 8079 mutex_init(&cportinfo->cport_mutex, NULL, MUTEX_DRIVER, NULL); 8080 8081 mutex_enter(&cportinfo->cport_mutex); 8082 8083 cportinfo->cport_addr.cport = ncport; 8084 cportinfo->cport_addr.pmport = 0; 8085 cportinfo->cport_addr.qual = SATA_ADDR_CPORT; 8086 cportinfo->cport_state &= ~SATA_PORT_STATE_CLEAR_MASK; 8087 cportinfo->cport_state |= SATA_STATE_PROBING; 8088 SATA_CPORT_INFO(sata_hba_inst, ncport) = cportinfo; 8089 8090 /* 8091 * Regardless if a port is usable or not, create 8092 * an attachment point 8093 */ 8094 mutex_exit(&cportinfo->cport_mutex); 8095 minor_number = 8096 SATA_MAKE_AP_MINOR(ddi_get_instance(dip), ncport, 0, 0); 8097 (void) sprintf(name, "%d", ncport); 8098 if (ddi_create_minor_node(dip, name, S_IFCHR, 8099 minor_number, DDI_NT_SATA_ATTACHMENT_POINT, 0) != 8100 DDI_SUCCESS) { 8101 sata_log(sata_hba_inst, CE_WARN, "sata_hba_attach: " 8102 "cannot create SATA attachment point for port %d", 8103 ncport); 8104 } 8105 8106 /* Probe port */ 8107 start_time = ddi_get_lbolt(); 8108 reprobe_cport: 8109 sata_device.satadev_addr.cport = ncport; 8110 sata_device.satadev_addr.pmport = 0; 8111 sata_device.satadev_addr.qual = SATA_ADDR_CPORT; 8112 sata_device.satadev_rev = SATA_DEVICE_REV; 8113 8114 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 8115 (dip, &sata_device); 8116 8117 mutex_enter(&cportinfo->cport_mutex); 8118 sata_update_port_scr(&cportinfo->cport_scr, &sata_device); 8119 if (rval != SATA_SUCCESS) { 8120 /* Something went wrong? Fail the port */ 8121 cportinfo->cport_state = SATA_PSTATE_FAILED; 8122 mutex_exit(&cportinfo->cport_mutex); 8123 continue; 8124 } 8125 cportinfo->cport_state &= ~SATA_STATE_PROBING; 8126 cportinfo->cport_state |= SATA_STATE_PROBED; 8127 cportinfo->cport_dev_type = sata_device.satadev_type; 8128 8129 cportinfo->cport_state |= SATA_STATE_READY; 8130 if (cportinfo->cport_dev_type == SATA_DTYPE_NONE) { 8131 mutex_exit(&cportinfo->cport_mutex); 8132 continue; 8133 } 8134 if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { 8135 /* 8136 * There is some device attached. 8137 * Allocate device info structure 8138 */ 8139 if (SATA_CPORTINFO_DRV_INFO(cportinfo) == NULL) { 8140 mutex_exit(&cportinfo->cport_mutex); 8141 SATA_CPORTINFO_DRV_INFO(cportinfo) = 8142 kmem_zalloc(sizeof (sata_drive_info_t), 8143 KM_SLEEP); 8144 mutex_enter(&cportinfo->cport_mutex); 8145 } 8146 drive = SATA_CPORTINFO_DRV_INFO(cportinfo); 8147 drive->satadrv_addr = cportinfo->cport_addr; 8148 drive->satadrv_addr.qual = SATA_ADDR_DCPORT; 8149 drive->satadrv_type = cportinfo->cport_dev_type; 8150 drive->satadrv_state = SATA_STATE_UNKNOWN; 8151 8152 mutex_exit(&cportinfo->cport_mutex); 8153 if (sata_add_device(dip, sata_hba_inst, ncport, 0) != 8154 SATA_SUCCESS) { 8155 /* 8156 * Plugged device was not correctly identified. 8157 * Retry, within a SATA_DEV_IDENTIFY_TIMEOUT 8158 */ 8159 cur_time = ddi_get_lbolt(); 8160 if ((cur_time - start_time) < 8161 drv_usectohz(SATA_DEV_IDENTIFY_TIMEOUT)) { 8162 /* sleep for a while */ 8163 delay(drv_usectohz( 8164 SATA_DEV_RETRY_DLY)); 8165 goto reprobe_cport; 8166 } 8167 } 8168 } else { 8169 mutex_exit(&cportinfo->cport_mutex); 8170 ASSERT(cportinfo->cport_dev_type == SATA_DTYPE_PMULT); 8171 pminfo = kmem_zalloc(sizeof (sata_pmult_info_t), 8172 KM_SLEEP); 8173 mutex_enter(&cportinfo->cport_mutex); 8174 ASSERT(pminfo != NULL); 8175 SATA_CPORTINFO_PMULT_INFO(cportinfo) = pminfo; 8176 pminfo->pmult_addr.cport = cportinfo->cport_addr.cport; 8177 pminfo->pmult_addr.pmport = SATA_PMULT_HOSTPORT; 8178 pminfo->pmult_addr.qual = SATA_ADDR_PMPORT; 8179 pminfo->pmult_num_dev_ports = 8180 sata_device.satadev_add_info; 8181 mutex_init(&pminfo->pmult_mutex, NULL, MUTEX_DRIVER, 8182 NULL); 8183 pminfo->pmult_state = SATA_STATE_PROBING; 8184 mutex_exit(&cportinfo->cport_mutex); 8185 8186 /* Probe Port Multiplier ports */ 8187 for (npmport = 0; 8188 npmport < pminfo->pmult_num_dev_ports; 8189 npmport++) { 8190 pmportinfo = kmem_zalloc( 8191 sizeof (sata_pmport_info_t), KM_SLEEP); 8192 mutex_enter(&cportinfo->cport_mutex); 8193 ASSERT(pmportinfo != NULL); 8194 pmportinfo->pmport_addr.cport = ncport; 8195 pmportinfo->pmport_addr.pmport = npmport; 8196 pmportinfo->pmport_addr.qual = 8197 SATA_ADDR_PMPORT; 8198 pminfo->pmult_dev_port[npmport] = pmportinfo; 8199 8200 mutex_init(&pmportinfo->pmport_mutex, NULL, 8201 MUTEX_DRIVER, NULL); 8202 8203 mutex_exit(&cportinfo->cport_mutex); 8204 8205 /* Create an attachment point */ 8206 minor_number = SATA_MAKE_AP_MINOR( 8207 ddi_get_instance(dip), ncport, npmport, 1); 8208 (void) sprintf(name, "%d.%d", ncport, npmport); 8209 if (ddi_create_minor_node(dip, name, S_IFCHR, 8210 minor_number, DDI_NT_SATA_ATTACHMENT_POINT, 8211 0) != DDI_SUCCESS) { 8212 sata_log(sata_hba_inst, CE_WARN, 8213 "sata_hba_attach: " 8214 "cannot create SATA attachment " 8215 "point for port %d pmult port %d", 8216 ncport, npmport); 8217 } 8218 8219 start_time = ddi_get_lbolt(); 8220 reprobe_pmport: 8221 sata_device.satadev_addr.pmport = npmport; 8222 sata_device.satadev_addr.qual = 8223 SATA_ADDR_PMPORT; 8224 8225 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 8226 (dip, &sata_device); 8227 mutex_enter(&cportinfo->cport_mutex); 8228 8229 /* sata_update_port_info() */ 8230 sata_update_port_scr(&pmportinfo->pmport_scr, 8231 &sata_device); 8232 8233 if (rval != SATA_SUCCESS) { 8234 pmportinfo->pmport_state = 8235 SATA_PSTATE_FAILED; 8236 mutex_exit(&cportinfo->cport_mutex); 8237 continue; 8238 } 8239 pmportinfo->pmport_state &= 8240 ~SATA_STATE_PROBING; 8241 pmportinfo->pmport_state |= SATA_STATE_PROBED; 8242 pmportinfo->pmport_dev_type = 8243 sata_device.satadev_type; 8244 8245 pmportinfo->pmport_state |= SATA_STATE_READY; 8246 if (pmportinfo->pmport_dev_type == 8247 SATA_DTYPE_NONE) { 8248 mutex_exit(&cportinfo->cport_mutex); 8249 continue; 8250 } 8251 /* Port multipliers cannot be chained */ 8252 ASSERT(pmportinfo->pmport_dev_type != 8253 SATA_DTYPE_PMULT); 8254 /* 8255 * There is something attached to Port 8256 * Multiplier device port 8257 * Allocate device info structure 8258 */ 8259 if (pmportinfo->pmport_sata_drive == NULL) { 8260 mutex_exit(&cportinfo->cport_mutex); 8261 pmportinfo->pmport_sata_drive = 8262 kmem_zalloc( 8263 sizeof (sata_drive_info_t), 8264 KM_SLEEP); 8265 mutex_enter(&cportinfo->cport_mutex); 8266 } 8267 drive = pmportinfo->pmport_sata_drive; 8268 drive->satadrv_addr.cport = 8269 pmportinfo->pmport_addr.cport; 8270 drive->satadrv_addr.pmport = npmport; 8271 drive->satadrv_addr.qual = SATA_ADDR_DPMPORT; 8272 drive->satadrv_type = pmportinfo-> 8273 pmport_dev_type; 8274 drive->satadrv_state = SATA_STATE_UNKNOWN; 8275 8276 mutex_exit(&cportinfo->cport_mutex); 8277 if (sata_add_device(dip, sata_hba_inst, ncport, 8278 npmport) != SATA_SUCCESS) { 8279 /* 8280 * Plugged device was not correctly 8281 * identified. Retry, within the 8282 * SATA_DEV_IDENTIFY_TIMEOUT 8283 */ 8284 cur_time = ddi_get_lbolt(); 8285 if ((cur_time - start_time) < 8286 drv_usectohz( 8287 SATA_DEV_IDENTIFY_TIMEOUT)) { 8288 /* sleep for a while */ 8289 delay(drv_usectohz( 8290 SATA_DEV_RETRY_DLY)); 8291 goto reprobe_pmport; 8292 } 8293 } 8294 } 8295 pmportinfo->pmport_state = 8296 SATA_STATE_PROBED | SATA_STATE_READY; 8297 } 8298 } 8299 } 8300 8301 /* 8302 * Add SATA device for specified HBA instance & port (SCSI target 8303 * device nodes). 8304 * This function is called (indirectly) only from sata_hba_attach(). 8305 * A target node is created when there is a supported type device attached, 8306 * but may be removed if it cannot be put online. 8307 * 8308 * This function cannot be called from an interrupt context. 8309 * 8310 * ONLY DISK TARGET NODES ARE CREATED NOW 8311 * 8312 * Returns SATA_SUCCESS when port/device was fully processed, SATA_FAILURE when 8313 * device identification failed - adding a device could be retried. 8314 * 8315 */ 8316 static int 8317 sata_add_device(dev_info_t *pdip, sata_hba_inst_t *sata_hba_inst, int cport, 8318 int pmport) 8319 { 8320 sata_cport_info_t *cportinfo; 8321 sata_pmult_info_t *pminfo; 8322 sata_pmport_info_t *pmportinfo; 8323 dev_info_t *cdip; /* child dip */ 8324 sata_device_t sata_device; 8325 int rval; 8326 8327 8328 8329 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 8330 ASSERT(cportinfo->cport_dev_type != SATA_DTYPE_NONE); 8331 mutex_enter(&cportinfo->cport_mutex); 8332 /* 8333 * Some device is attached to a controller port. 8334 * We rely on controllers distinquishing between no-device, 8335 * attached port multiplier and other kind of attached device. 8336 * We need to get Identify Device data and determine 8337 * positively the dev type before trying to attach 8338 * the target driver. 8339 */ 8340 sata_device.satadev_rev = SATA_DEVICE_REV; 8341 if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { 8342 /* 8343 * Not port multiplier. 8344 */ 8345 sata_device.satadev_addr = cportinfo->cport_addr; 8346 sata_device.satadev_addr.qual = SATA_ADDR_DCPORT; 8347 mutex_exit(&cportinfo->cport_mutex); 8348 8349 rval = sata_probe_device(sata_hba_inst, &sata_device); 8350 if (rval != SATA_SUCCESS || 8351 sata_device.satadev_type == SATA_DTYPE_UNKNOWN) 8352 return (SATA_FAILURE); 8353 8354 mutex_enter(&cportinfo->cport_mutex); 8355 sata_show_drive_info(sata_hba_inst, 8356 SATA_CPORTINFO_DRV_INFO(cportinfo)); 8357 8358 if ((sata_device.satadev_type & SATA_VALID_DEV_TYPE) == 0) { 8359 /* 8360 * Could not determine device type or 8361 * a device is not supported. 8362 * Degrade this device to unknown. 8363 */ 8364 cportinfo->cport_dev_type = SATA_DTYPE_UNKNOWN; 8365 mutex_exit(&cportinfo->cport_mutex); 8366 return (SATA_SUCCESS); 8367 } 8368 cportinfo->cport_dev_type = sata_device.satadev_type; 8369 cportinfo->cport_tgtnode_clean = B_TRUE; 8370 mutex_exit(&cportinfo->cport_mutex); 8371 8372 /* 8373 * Initialize device to the desired state. Even if it 8374 * fails, the device will still attach but syslog 8375 * will show the warning. 8376 */ 8377 if (sata_initialize_device(sata_hba_inst, 8378 SATA_CPORTINFO_DRV_INFO(cportinfo)) != SATA_SUCCESS) { 8379 /* Retry */ 8380 rval = sata_initialize_device(sata_hba_inst, 8381 SATA_CPORTINFO_DRV_INFO(cportinfo)); 8382 8383 if (rval == SATA_RETRY) 8384 sata_log(sata_hba_inst, CE_WARN, 8385 "SATA device at port %d - " 8386 "default device features could not be set." 8387 " Device may not operate as expected.", 8388 cportinfo->cport_addr.cport); 8389 } 8390 8391 cdip = sata_create_target_node(pdip, sata_hba_inst, 8392 &sata_device.satadev_addr); 8393 mutex_enter(&cportinfo->cport_mutex); 8394 if (cdip == NULL) { 8395 /* 8396 * Attaching target node failed. 8397 * We retain sata_drive_info structure... 8398 */ 8399 mutex_exit(&cportinfo->cport_mutex); 8400 return (SATA_SUCCESS); 8401 } 8402 (SATA_CPORTINFO_DRV_INFO(cportinfo))-> 8403 satadrv_state = SATA_STATE_READY; 8404 } else { 8405 /* This must be Port Multiplier type */ 8406 if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { 8407 SATA_LOG_D((sata_hba_inst, CE_WARN, 8408 "sata_add_device: " 8409 "unrecognized dev type %x", 8410 cportinfo->cport_dev_type)); 8411 mutex_exit(&cportinfo->cport_mutex); 8412 return (SATA_SUCCESS); 8413 } 8414 pminfo = SATA_CPORTINFO_PMULT_INFO(cportinfo); 8415 pmportinfo = pminfo->pmult_dev_port[pmport]; 8416 sata_device.satadev_addr = pmportinfo->pmport_addr; 8417 sata_device.satadev_addr.qual = SATA_ADDR_DPMPORT; 8418 mutex_exit(&cportinfo->cport_mutex); 8419 8420 rval = sata_probe_device(sata_hba_inst, &sata_device); 8421 if (rval != SATA_SUCCESS || 8422 sata_device.satadev_type == SATA_DTYPE_UNKNOWN) { 8423 return (SATA_FAILURE); 8424 } 8425 mutex_enter(&cportinfo->cport_mutex); 8426 sata_show_drive_info(sata_hba_inst, 8427 SATA_CPORTINFO_DRV_INFO(cportinfo)); 8428 8429 if ((sata_device.satadev_type & SATA_VALID_DEV_TYPE) == 0) { 8430 /* 8431 * Could not determine device type. 8432 * Degrade this device to unknown. 8433 */ 8434 pmportinfo->pmport_dev_type = SATA_DTYPE_UNKNOWN; 8435 mutex_exit(&cportinfo->cport_mutex); 8436 return (SATA_SUCCESS); 8437 } 8438 pmportinfo->pmport_dev_type = sata_device.satadev_type; 8439 pmportinfo->pmport_tgtnode_clean = B_TRUE; 8440 mutex_exit(&cportinfo->cport_mutex); 8441 8442 /* 8443 * Initialize device to the desired state. 8444 * Even if it fails, the device will still 8445 * attach but syslog will show the warning. 8446 */ 8447 if (sata_initialize_device(sata_hba_inst, 8448 pmportinfo->pmport_sata_drive) != SATA_SUCCESS) { 8449 /* Retry */ 8450 rval = sata_initialize_device(sata_hba_inst, 8451 pmportinfo->pmport_sata_drive); 8452 8453 if (rval == SATA_RETRY) 8454 sata_log(sata_hba_inst, CE_WARN, 8455 "SATA device at port %d pmport %d - " 8456 "default device features could not be set." 8457 " Device may not operate as expected.", 8458 pmportinfo->pmport_addr.cport, 8459 pmportinfo->pmport_addr.pmport); 8460 } 8461 cdip = sata_create_target_node(pdip, sata_hba_inst, 8462 &sata_device.satadev_addr); 8463 mutex_enter(&cportinfo->cport_mutex); 8464 if (cdip == NULL) { 8465 /* 8466 * Attaching target node failed. 8467 * We retain sata_drive_info structure... 8468 */ 8469 mutex_exit(&cportinfo->cport_mutex); 8470 return (SATA_SUCCESS); 8471 } 8472 pmportinfo->pmport_sata_drive->satadrv_state |= 8473 SATA_STATE_READY; 8474 } 8475 mutex_exit(&cportinfo->cport_mutex); 8476 return (SATA_SUCCESS); 8477 } 8478 8479 8480 8481 /* 8482 * Create scsi target node for attached device, create node properties and 8483 * attach the node. 8484 * The node could be removed if the device onlining fails. 8485 * 8486 * A dev_info_t pointer is returned if operation is successful, NULL is 8487 * returned otherwise. 8488 * 8489 * No port multiplier support. 8490 */ 8491 8492 static dev_info_t * 8493 sata_create_target_node(dev_info_t *dip, sata_hba_inst_t *sata_hba_inst, 8494 sata_address_t *sata_addr) 8495 { 8496 dev_info_t *cdip = NULL; 8497 int rval; 8498 char *nname = NULL; 8499 char **compatible = NULL; 8500 int ncompatible; 8501 struct scsi_inquiry inq; 8502 sata_device_t sata_device; 8503 sata_drive_info_t *sdinfo; 8504 int target; 8505 int i; 8506 8507 sata_device.satadev_rev = SATA_DEVICE_REV; 8508 sata_device.satadev_addr = *sata_addr; 8509 8510 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_addr->cport))); 8511 8512 sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); 8513 8514 target = SATA_TO_SCSI_TARGET(sata_addr->cport, 8515 sata_addr->pmport, sata_addr->qual); 8516 8517 if (sdinfo == NULL) { 8518 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 8519 sata_addr->cport))); 8520 SATA_LOG_D((sata_hba_inst, CE_WARN, 8521 "sata_create_target_node: no sdinfo for target %x", 8522 target)); 8523 return (NULL); 8524 } 8525 8526 /* 8527 * create or get scsi inquiry data, expected by 8528 * scsi_hba_nodename_compatible_get() 8529 * SATA hard disks get Identify Data translated into Inguiry Data. 8530 * ATAPI devices respond directly to Inquiry request. 8531 */ 8532 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 8533 sata_identdev_to_inquiry(sata_hba_inst, sdinfo, 8534 (uint8_t *)&inq); 8535 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 8536 sata_addr->cport))); 8537 } else { /* Assume supported ATAPI device */ 8538 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 8539 sata_addr->cport))); 8540 if (sata_get_atapi_inquiry_data(sata_hba_inst, sata_addr, 8541 &inq) == SATA_FAILURE) 8542 return (NULL); 8543 /* 8544 * Save supported ATAPI transport version 8545 */ 8546 sdinfo->satadrv_atapi_trans_ver = 8547 SATA_ATAPI_TRANS_VERSION(&inq); 8548 } 8549 8550 /* determine the node name and compatible */ 8551 scsi_hba_nodename_compatible_get(&inq, NULL, 8552 inq.inq_dtype, NULL, &nname, &compatible, &ncompatible); 8553 8554 #ifdef SATA_DEBUG 8555 if (sata_debug_flags & SATA_DBG_NODES) { 8556 if (nname == NULL) { 8557 cmn_err(CE_NOTE, "sata_create_target_node: " 8558 "cannot determine nodename for target %d\n", 8559 target); 8560 } else { 8561 cmn_err(CE_WARN, "sata_create_target_node: " 8562 "target %d nodename: %s\n", target, nname); 8563 } 8564 if (compatible == NULL) { 8565 cmn_err(CE_WARN, 8566 "sata_create_target_node: no compatible name\n"); 8567 } else { 8568 for (i = 0; i < ncompatible; i++) { 8569 cmn_err(CE_WARN, "sata_create_target_node: " 8570 "compatible name: %s\n", compatible[i]); 8571 } 8572 } 8573 } 8574 #endif 8575 8576 /* if nodename can't be determined, log error and exit */ 8577 if (nname == NULL) { 8578 SATA_LOG_D((sata_hba_inst, CE_WARN, 8579 "sata_create_target_node: cannot determine nodename " 8580 "for target %d\n", target)); 8581 scsi_hba_nodename_compatible_free(nname, compatible); 8582 return (NULL); 8583 } 8584 /* 8585 * Create scsi target node 8586 */ 8587 ndi_devi_alloc_sleep(dip, nname, (pnode_t)DEVI_SID_NODEID, &cdip); 8588 rval = ndi_prop_update_string(DDI_DEV_T_NONE, cdip, 8589 "device-type", "scsi"); 8590 8591 if (rval != DDI_PROP_SUCCESS) { 8592 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: " 8593 "updating device_type prop failed %d", rval)); 8594 goto fail; 8595 } 8596 8597 /* 8598 * Create target node properties: target & lun 8599 */ 8600 rval = ndi_prop_update_int(DDI_DEV_T_NONE, cdip, "target", target); 8601 if (rval != DDI_PROP_SUCCESS) { 8602 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: " 8603 "updating target prop failed %d", rval)); 8604 goto fail; 8605 } 8606 rval = ndi_prop_update_int(DDI_DEV_T_NONE, cdip, "lun", 0); 8607 if (rval != DDI_PROP_SUCCESS) { 8608 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: " 8609 "updating target prop failed %d", rval)); 8610 goto fail; 8611 } 8612 8613 if (sdinfo->satadrv_type & SATA_DTYPE_ATAPI) { 8614 /* 8615 * Add "variant" property 8616 */ 8617 rval = ndi_prop_update_string(DDI_DEV_T_NONE, cdip, 8618 "variant", "atapi"); 8619 if (rval != DDI_PROP_SUCCESS) { 8620 SATA_LOG_D((sata_hba_inst, CE_WARN, 8621 "sata_create_target_node: variant atapi " 8622 "property could not be created: %d", rval)); 8623 goto fail; 8624 } 8625 } 8626 /* decorate the node with compatible */ 8627 if (ndi_prop_update_string_array(DDI_DEV_T_NONE, cdip, "compatible", 8628 compatible, ncompatible) != DDI_PROP_SUCCESS) { 8629 SATA_LOG_D((sata_hba_inst, CE_WARN, 8630 "sata_create_target_node: FAIL compatible props cdip 0x%p", 8631 (void *)cdip)); 8632 goto fail; 8633 } 8634 8635 8636 /* 8637 * Now, try to attach the driver. If probing of the device fails, 8638 * the target node may be removed 8639 */ 8640 rval = ndi_devi_online(cdip, NDI_ONLINE_ATTACH); 8641 8642 scsi_hba_nodename_compatible_free(nname, compatible); 8643 8644 if (rval == NDI_SUCCESS) 8645 return (cdip); 8646 8647 /* target node was removed - are we sure? */ 8648 return (NULL); 8649 8650 fail: 8651 scsi_hba_nodename_compatible_free(nname, compatible); 8652 ddi_prop_remove_all(cdip); 8653 rval = ndi_devi_free(cdip); 8654 if (rval != NDI_SUCCESS) { 8655 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: " 8656 "node removal failed %d", rval)); 8657 } 8658 sata_log(sata_hba_inst, CE_WARN, "sata_create_target_node: " 8659 "cannot create target node for SATA device at port %d", 8660 sata_addr->cport); 8661 return (NULL); 8662 } 8663 8664 8665 8666 /* 8667 * Re-probe sata port, check for a device and attach info 8668 * structures when necessary. Identify Device data is fetched, if possible. 8669 * Assumption: sata address is already validated. 8670 * SATA_SUCCESS is returned if port is re-probed sucessfully, regardless of 8671 * the presence of a device and its type. 8672 * 8673 * flag arg specifies that the function should try multiple times to identify 8674 * device type and to initialize it, or it should return immediately on failure. 8675 * SATA_DEV_IDENTIFY_RETRY - retry 8676 * SATA_DEV_IDENTIFY_NORETRY - no retry 8677 * 8678 * SATA_FAILURE is returned if one of the operations failed. 8679 * 8680 * This function cannot be called in interrupt context - it may sleep. 8681 * 8682 * NOte: Port multiplier is not supported yet, although there may be some 8683 * pieces of code referencing to it. 8684 */ 8685 static int 8686 sata_reprobe_port(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device, 8687 int flag) 8688 { 8689 sata_cport_info_t *cportinfo; 8690 sata_drive_info_t *sdinfo, *osdinfo; 8691 boolean_t init_device = B_FALSE; 8692 int prev_device_type = SATA_DTYPE_NONE; 8693 int prev_device_settings = 0; 8694 int prev_device_state = 0; 8695 clock_t start_time; 8696 int retry = B_FALSE; 8697 int rval_probe, rval_init; 8698 8699 /* We only care about host sata cport for now */ 8700 cportinfo = SATA_CPORT_INFO(sata_hba_inst, 8701 sata_device->satadev_addr.cport); 8702 osdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 8703 if (osdinfo != NULL) { 8704 /* 8705 * We are re-probing port with a previously attached device. 8706 * Save previous device type and settings. 8707 */ 8708 prev_device_type = cportinfo->cport_dev_type; 8709 prev_device_settings = osdinfo->satadrv_settings; 8710 prev_device_state = osdinfo->satadrv_state; 8711 } 8712 if (flag == SATA_DEV_IDENTIFY_RETRY) { 8713 start_time = ddi_get_lbolt(); 8714 retry = B_TRUE; 8715 } 8716 retry_probe: 8717 8718 /* probe port */ 8719 mutex_enter(&cportinfo->cport_mutex); 8720 cportinfo->cport_state &= ~SATA_PORT_STATE_CLEAR_MASK; 8721 cportinfo->cport_state |= SATA_STATE_PROBING; 8722 mutex_exit(&cportinfo->cport_mutex); 8723 8724 rval_probe = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 8725 (SATA_DIP(sata_hba_inst), sata_device); 8726 8727 mutex_enter(&cportinfo->cport_mutex); 8728 if (rval_probe != SATA_SUCCESS) { 8729 cportinfo->cport_state = SATA_PSTATE_FAILED; 8730 mutex_exit(&cportinfo->cport_mutex); 8731 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_reprobe_port: " 8732 "SATA port %d probing failed", 8733 cportinfo->cport_addr.cport)); 8734 return (SATA_FAILURE); 8735 } 8736 8737 /* 8738 * update sata port state and set device type 8739 */ 8740 sata_update_port_info(sata_hba_inst, sata_device); 8741 cportinfo->cport_state &= ~SATA_STATE_PROBING; 8742 8743 /* 8744 * Sanity check - Port is active? Is the link active? 8745 * Is there any device attached? 8746 */ 8747 if ((cportinfo->cport_state & 8748 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) || 8749 (cportinfo->cport_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != 8750 SATA_PORT_DEVLINK_UP) { 8751 /* 8752 * Port in non-usable state or no link active/no device. 8753 * Free info structure if necessary (direct attached drive 8754 * only, for now! 8755 */ 8756 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 8757 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 8758 /* Add here differentiation for device attached or not */ 8759 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 8760 mutex_exit(&cportinfo->cport_mutex); 8761 if (sdinfo != NULL) 8762 kmem_free(sdinfo, sizeof (sata_drive_info_t)); 8763 return (SATA_SUCCESS); 8764 } 8765 8766 cportinfo->cport_state |= SATA_STATE_READY; 8767 cportinfo->cport_dev_type = sata_device->satadev_type; 8768 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 8769 8770 /* 8771 * If we are re-probing the port, there may be 8772 * sata_drive_info structure attached 8773 * (or sata_pm_info, if PMult is supported). 8774 */ 8775 if (sata_device->satadev_type == SATA_DTYPE_NONE) { 8776 /* 8777 * There is no device, so remove device info structure, 8778 * if necessary. 8779 * Only direct attached drive is considered now, until 8780 * port multiplier is supported. If the previously 8781 * attached device was a port multiplier, we would need 8782 * to take care of devices attached beyond the port 8783 * multiplier. 8784 */ 8785 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 8786 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 8787 if (sdinfo != NULL) { 8788 kmem_free(sdinfo, sizeof (sata_drive_info_t)); 8789 sata_log(sata_hba_inst, CE_WARN, 8790 "SATA device detached " 8791 "from port %d", cportinfo->cport_addr.cport); 8792 } 8793 mutex_exit(&cportinfo->cport_mutex); 8794 return (SATA_SUCCESS); 8795 } 8796 8797 if (sata_device->satadev_type != SATA_DTYPE_PMULT) { 8798 if (sdinfo == NULL) { 8799 /* 8800 * There is some device attached, but there is 8801 * no sata_drive_info structure - allocate one 8802 */ 8803 mutex_exit(&cportinfo->cport_mutex); 8804 sdinfo = kmem_zalloc( 8805 sizeof (sata_drive_info_t), KM_SLEEP); 8806 mutex_enter(&cportinfo->cport_mutex); 8807 /* 8808 * Recheck, that the port state did not change when we 8809 * released mutex. 8810 */ 8811 if (cportinfo->cport_state & SATA_STATE_READY) { 8812 SATA_CPORTINFO_DRV_INFO(cportinfo) = sdinfo; 8813 sdinfo->satadrv_addr = cportinfo->cport_addr; 8814 sdinfo->satadrv_addr.qual = SATA_ADDR_DCPORT; 8815 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 8816 sdinfo->satadrv_state = SATA_STATE_UNKNOWN; 8817 } else { 8818 /* 8819 * Port is not in ready state, we 8820 * cannot attach a device. 8821 */ 8822 mutex_exit(&cportinfo->cport_mutex); 8823 kmem_free(sdinfo, sizeof (sata_drive_info_t)); 8824 return (SATA_SUCCESS); 8825 } 8826 /* 8827 * Since we are adding device, presumably new one, 8828 * indicate that it should be initalized, 8829 * as well as some internal framework states). 8830 */ 8831 init_device = B_TRUE; 8832 } 8833 cportinfo->cport_dev_type = SATA_DTYPE_UNKNOWN; 8834 sata_device->satadev_addr.qual = sdinfo->satadrv_addr.qual; 8835 } else { 8836 /* 8837 * The device is a port multiplier - not handled now. 8838 */ 8839 cportinfo->cport_dev_type = SATA_DTYPE_UNKNOWN; 8840 mutex_exit(&cportinfo->cport_mutex); 8841 return (SATA_SUCCESS); 8842 } 8843 mutex_exit(&cportinfo->cport_mutex); 8844 /* 8845 * Figure out what kind of device we are really 8846 * dealing with. Failure of identifying device does not fail this 8847 * function. 8848 */ 8849 rval_probe = sata_probe_device(sata_hba_inst, sata_device); 8850 rval_init = SATA_FAILURE; 8851 mutex_enter(&cportinfo->cport_mutex); 8852 if (rval_probe == SATA_SUCCESS) { 8853 /* 8854 * If we are dealing with the same type of a device as before, 8855 * restore its settings flags. 8856 */ 8857 if (osdinfo != NULL && 8858 sata_device->satadev_type == prev_device_type) 8859 sdinfo->satadrv_settings = prev_device_settings; 8860 8861 mutex_exit(&cportinfo->cport_mutex); 8862 rval_init = SATA_SUCCESS; 8863 /* Set initial device features, if necessary */ 8864 if (init_device == B_TRUE) { 8865 rval_init = sata_initialize_device(sata_hba_inst, 8866 sdinfo); 8867 } 8868 if (rval_init == SATA_SUCCESS) 8869 return (rval_init); 8870 /* else we will retry if retry was asked for */ 8871 8872 } else { 8873 /* 8874 * If there was some device info before we probe the device, 8875 * restore previous device setting, so we can retry from scratch 8876 * later. Providing, of course, that device has not disapear 8877 * during probing process. 8878 */ 8879 if (sata_device->satadev_type != SATA_DTYPE_NONE) { 8880 if (osdinfo != NULL) { 8881 cportinfo->cport_dev_type = prev_device_type; 8882 sdinfo->satadrv_type = prev_device_type; 8883 sdinfo->satadrv_state = prev_device_state; 8884 } 8885 } else { 8886 /* device is gone */ 8887 kmem_free(sdinfo, sizeof (sata_drive_info_t)); 8888 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 8889 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 8890 mutex_exit(&cportinfo->cport_mutex); 8891 return (SATA_SUCCESS); 8892 } 8893 mutex_exit(&cportinfo->cport_mutex); 8894 } 8895 8896 if (retry) { 8897 clock_t cur_time = ddi_get_lbolt(); 8898 /* 8899 * A device was not successfully identified or initialized. 8900 * Track retry time for device identification. 8901 */ 8902 if ((cur_time - start_time) < 8903 drv_usectohz(SATA_DEV_REPROBE_TIMEOUT)) { 8904 /* sleep for a while */ 8905 delay(drv_usectohz(SATA_DEV_RETRY_DLY)); 8906 goto retry_probe; 8907 } 8908 /* else no more retries */ 8909 mutex_enter(&cportinfo->cport_mutex); 8910 if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { 8911 if (rval_init == SATA_RETRY) { 8912 /* 8913 * Setting drive features have failed, but 8914 * because the drive is still accessible, 8915 * keep it and emit a warning message. 8916 */ 8917 sata_log(sata_hba_inst, CE_WARN, 8918 "SATA device at port %d - desired " 8919 "drive features could not be set. " 8920 "Device may not operate as expected.", 8921 cportinfo->cport_addr.cport); 8922 } else { 8923 SATA_CPORTINFO_DRV_INFO(cportinfo)-> 8924 satadrv_state = SATA_DSTATE_FAILED; 8925 } 8926 } 8927 mutex_exit(&cportinfo->cport_mutex); 8928 } 8929 return (SATA_SUCCESS); 8930 } 8931 8932 /* 8933 * Initialize device 8934 * Specified device is initialized to a default state. 8935 * 8936 * Returns SATA_SUCCESS if all device features are set successfully, 8937 * SATA_RETRY if device is accessible but device features were not set 8938 * successfully, and SATA_FAILURE otherwise. 8939 */ 8940 static int 8941 sata_initialize_device(sata_hba_inst_t *sata_hba_inst, 8942 sata_drive_info_t *sdinfo) 8943 { 8944 int rval; 8945 8946 sata_save_drive_settings(sdinfo); 8947 8948 sdinfo->satadrv_settings |= SATA_DEV_READ_AHEAD; 8949 8950 sata_init_write_cache_mode(sdinfo); 8951 8952 rval = sata_set_drive_features(sata_hba_inst, sdinfo, 0); 8953 8954 /* Determine current data transfer mode */ 8955 if ((sdinfo->satadrv_id.ai_cap & SATA_DMA_SUPPORT) == 0) { 8956 sdinfo->satadrv_settings &= ~SATA_DEV_DMA; 8957 } else if ((sdinfo->satadrv_id.ai_validinfo & 8958 SATA_VALIDINFO_88) != 0 && 8959 (sdinfo->satadrv_id.ai_ultradma & SATA_UDMA_SEL_MASK) != 0) { 8960 sdinfo->satadrv_settings |= SATA_DEV_DMA; 8961 } else if ((sdinfo->satadrv_id.ai_dworddma & 8962 SATA_MDMA_SEL_MASK) != 0) { 8963 sdinfo->satadrv_settings |= SATA_DEV_DMA; 8964 } else 8965 /* DMA supported, not no DMA transfer mode is selected !? */ 8966 sdinfo->satadrv_settings &= ~SATA_DEV_DMA; 8967 8968 return (rval); 8969 } 8970 8971 8972 /* 8973 * Initialize write cache mode. 8974 * 8975 * The default write cache setting for SATA HDD is provided by sata_write_cache 8976 * static variable. ATAPI CD/DVDs devices have write cache default is 8977 * determined by sata_atapicdvd_write_cache static variable. 8978 * ATAPI tape devices have write cache default is determined by 8979 * sata_atapitape_write_cache static variable. 8980 * ATAPI disk devices have write cache default is determined by 8981 * sata_atapidisk_write_cache static variable. 8982 * 1 - enable 8983 * 0 - disable 8984 * any other value - current drive setting 8985 * 8986 * Although there is not reason to disable write cache on CD/DVD devices, 8987 * tape devices and ATAPI disk devices, the default setting control is provided 8988 * for the maximun flexibility. 8989 * 8990 * In the future, it may be overridden by the 8991 * disk-write-cache-enable property setting, if it is defined. 8992 * Returns SATA_SUCCESS if all device features are set successfully, 8993 * SATA_FAILURE otherwise. 8994 */ 8995 static void 8996 sata_init_write_cache_mode(sata_drive_info_t *sdinfo) 8997 { 8998 switch (sdinfo->satadrv_type) { 8999 case SATA_DTYPE_ATADISK: 9000 if (sata_write_cache == 1) 9001 sdinfo->satadrv_settings |= SATA_DEV_WRITE_CACHE; 9002 else if (sata_write_cache == 0) 9003 sdinfo->satadrv_settings &= ~SATA_DEV_WRITE_CACHE; 9004 /* 9005 * When sata_write_cache value is not 0 or 1, 9006 * a current setting of the drive's write cache is used. 9007 */ 9008 break; 9009 case SATA_DTYPE_ATAPICD: 9010 if (sata_atapicdvd_write_cache == 1) 9011 sdinfo->satadrv_settings |= SATA_DEV_WRITE_CACHE; 9012 else if (sata_atapicdvd_write_cache == 0) 9013 sdinfo->satadrv_settings &= ~SATA_DEV_WRITE_CACHE; 9014 /* 9015 * When sata_atapicdvd_write_cache value is not 0 or 1, 9016 * a current setting of the drive's write cache is used. 9017 */ 9018 break; 9019 case SATA_DTYPE_ATAPITAPE: 9020 if (sata_atapitape_write_cache == 1) 9021 sdinfo->satadrv_settings |= SATA_DEV_WRITE_CACHE; 9022 else if (sata_atapitape_write_cache == 0) 9023 sdinfo->satadrv_settings &= ~SATA_DEV_WRITE_CACHE; 9024 /* 9025 * When sata_atapitape_write_cache value is not 0 or 1, 9026 * a current setting of the drive's write cache is used. 9027 */ 9028 break; 9029 case SATA_DTYPE_ATAPIDISK: 9030 if (sata_atapidisk_write_cache == 1) 9031 sdinfo->satadrv_settings |= SATA_DEV_WRITE_CACHE; 9032 else if (sata_atapidisk_write_cache == 0) 9033 sdinfo->satadrv_settings &= ~SATA_DEV_WRITE_CACHE; 9034 /* 9035 * When sata_atapidisk_write_cache value is not 0 or 1, 9036 * a current setting of the drive's write cache is used. 9037 */ 9038 break; 9039 } 9040 } 9041 9042 9043 /* 9044 * Validate sata address. 9045 * Specified cport, pmport and qualifier has to match 9046 * passed sata_scsi configuration info. 9047 * The presence of an attached device is not verified. 9048 * 9049 * Returns 0 when address is valid, -1 otherwise. 9050 */ 9051 static int 9052 sata_validate_sata_address(sata_hba_inst_t *sata_hba_inst, int cport, 9053 int pmport, int qual) 9054 { 9055 if (qual == SATA_ADDR_DCPORT && pmport != 0) 9056 goto invalid_address; 9057 if (cport >= SATA_NUM_CPORTS(sata_hba_inst)) 9058 goto invalid_address; 9059 if ((qual == SATA_ADDR_DPMPORT || qual == SATA_ADDR_PMPORT) && 9060 ((SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) != SATA_DTYPE_PMULT) || 9061 (SATA_PMULT_INFO(sata_hba_inst, cport) == NULL) || 9062 (pmport >= SATA_NUM_PMPORTS(sata_hba_inst, cport)))) 9063 goto invalid_address; 9064 9065 return (0); 9066 9067 invalid_address: 9068 return (-1); 9069 9070 } 9071 9072 /* 9073 * Validate scsi address 9074 * SCSI target address is translated into SATA cport/pmport and compared 9075 * with a controller port/device configuration. LUN has to be 0. 9076 * Returns 0 if a scsi target refers to an attached device, 9077 * returns 1 if address is valid but device is not attached, 9078 * returns -1 if bad address or device is of an unsupported type. 9079 * Upon return sata_device argument is set. 9080 */ 9081 static int 9082 sata_validate_scsi_address(sata_hba_inst_t *sata_hba_inst, 9083 struct scsi_address *ap, sata_device_t *sata_device) 9084 { 9085 int cport, pmport, qual, rval; 9086 9087 rval = -1; /* Invalid address */ 9088 if (ap->a_lun != 0) 9089 goto out; 9090 9091 qual = SCSI_TO_SATA_ADDR_QUAL(ap->a_target); 9092 cport = SCSI_TO_SATA_CPORT(ap->a_target); 9093 pmport = SCSI_TO_SATA_PMPORT(ap->a_target); 9094 9095 if (qual != SATA_ADDR_DCPORT && qual != SATA_ADDR_DPMPORT) 9096 goto out; 9097 9098 if (sata_validate_sata_address(sata_hba_inst, cport, pmport, qual) == 9099 0) { 9100 9101 sata_cport_info_t *cportinfo; 9102 sata_pmult_info_t *pmultinfo; 9103 sata_drive_info_t *sdinfo = NULL; 9104 9105 rval = 1; /* Valid sata address */ 9106 9107 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 9108 if (qual == SATA_ADDR_DCPORT) { 9109 if (cportinfo == NULL || 9110 cportinfo->cport_dev_type == SATA_DTYPE_NONE) 9111 goto out; 9112 9113 if (cportinfo->cport_dev_type == SATA_DTYPE_PMULT || 9114 (cportinfo->cport_dev_type & 9115 SATA_VALID_DEV_TYPE) == 0) { 9116 rval = -1; 9117 goto out; 9118 } 9119 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 9120 9121 } else if (qual == SATA_ADDR_DPMPORT) { 9122 pmultinfo = SATA_CPORTINFO_PMULT_INFO(cportinfo); 9123 if (pmultinfo == NULL) { 9124 rval = -1; 9125 goto out; 9126 } 9127 if (SATA_PMPORT_INFO(sata_hba_inst, cport, pmport) == 9128 NULL || 9129 SATA_PMPORT_DEV_TYPE(sata_hba_inst, cport, 9130 pmport) == SATA_DTYPE_NONE) 9131 goto out; 9132 9133 sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, cport, 9134 pmport); 9135 } else { 9136 rval = -1; 9137 goto out; 9138 } 9139 if ((sdinfo == NULL) || 9140 (sdinfo->satadrv_type & SATA_VALID_DEV_TYPE) == 0) 9141 goto out; 9142 9143 sata_device->satadev_type = sdinfo->satadrv_type; 9144 sata_device->satadev_addr.qual = qual; 9145 sata_device->satadev_addr.cport = cport; 9146 sata_device->satadev_addr.pmport = pmport; 9147 sata_device->satadev_rev = SATA_DEVICE_REV_1; 9148 return (0); 9149 } 9150 out: 9151 if (rval == 1) { 9152 SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, 9153 "sata_validate_scsi_address: no valid target %x lun %x", 9154 ap->a_target, ap->a_lun); 9155 } 9156 return (rval); 9157 } 9158 9159 /* 9160 * Find dip corresponding to passed device number 9161 * 9162 * Returns NULL if invalid device number is passed or device cannot be found, 9163 * Returns dip is device is found. 9164 */ 9165 static dev_info_t * 9166 sata_devt_to_devinfo(dev_t dev) 9167 { 9168 dev_info_t *dip; 9169 #ifndef __lock_lint 9170 struct devnames *dnp; 9171 major_t major = getmajor(dev); 9172 int instance = SATA_MINOR2INSTANCE(getminor(dev)); 9173 9174 if (major >= devcnt) 9175 return (NULL); 9176 9177 dnp = &devnamesp[major]; 9178 LOCK_DEV_OPS(&(dnp->dn_lock)); 9179 dip = dnp->dn_head; 9180 while (dip && (ddi_get_instance(dip) != instance)) { 9181 dip = ddi_get_next(dip); 9182 } 9183 UNLOCK_DEV_OPS(&(dnp->dn_lock)); 9184 #endif 9185 9186 return (dip); 9187 } 9188 9189 9190 /* 9191 * Probe device. 9192 * This function issues Identify Device command and initializes local 9193 * sata_drive_info structure if the device can be identified. 9194 * The device type is determined by examining Identify Device 9195 * command response. 9196 * If the sata_hba_inst has linked drive info structure for this 9197 * device address, the Identify Device data is stored into sata_drive_info 9198 * structure linked to the port info structure. 9199 * 9200 * sata_device has to refer to the valid sata port(s) for HBA described 9201 * by sata_hba_inst structure. 9202 * 9203 * Returns: 9204 * SATA_SUCCESS if device type was successfully probed and port-linked 9205 * drive info structure was updated; 9206 * SATA_FAILURE if there is no device, or device was not probed 9207 * successully; 9208 * SATA_RETRY if device probe can be retried later. 9209 * If a device cannot be identified, sata_device's dev_state and dev_type 9210 * fields are set to unknown. 9211 * There are no retries in this function. Any retries should be managed by 9212 * the caller. 9213 */ 9214 9215 9216 static int 9217 sata_probe_device(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) 9218 { 9219 sata_drive_info_t *sdinfo; 9220 sata_drive_info_t new_sdinfo; /* local drive info struct */ 9221 int rval; 9222 9223 ASSERT((SATA_CPORT_STATE(sata_hba_inst, 9224 sata_device->satadev_addr.cport) & 9225 (SATA_STATE_PROBED | SATA_STATE_READY)) != 0); 9226 9227 sata_device->satadev_type = SATA_DTYPE_NONE; 9228 9229 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 9230 sata_device->satadev_addr.cport))); 9231 9232 /* Get pointer to port-linked sata device info structure */ 9233 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 9234 if (sdinfo != NULL) { 9235 sdinfo->satadrv_state &= 9236 ~(SATA_STATE_PROBED | SATA_STATE_READY); 9237 sdinfo->satadrv_state |= SATA_STATE_PROBING; 9238 } else { 9239 /* No device to probe */ 9240 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 9241 sata_device->satadev_addr.cport))); 9242 sata_device->satadev_type = SATA_DTYPE_NONE; 9243 sata_device->satadev_state = SATA_STATE_UNKNOWN; 9244 return (SATA_FAILURE); 9245 } 9246 /* 9247 * Need to issue both types of identify device command and 9248 * determine device type by examining retreived data/status. 9249 * First, ATA Identify Device. 9250 */ 9251 bzero(&new_sdinfo, sizeof (sata_drive_info_t)); 9252 new_sdinfo.satadrv_addr = sata_device->satadev_addr; 9253 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 9254 sata_device->satadev_addr.cport))); 9255 new_sdinfo.satadrv_type = SATA_DTYPE_ATADISK; 9256 rval = sata_identify_device(sata_hba_inst, &new_sdinfo); 9257 if (rval == SATA_RETRY) { 9258 /* We may try to check for ATAPI device */ 9259 if (SATA_FEATURES(sata_hba_inst) & SATA_CTLF_ATAPI) { 9260 /* 9261 * HBA supports ATAPI - try to issue Identify Packet 9262 * Device command. 9263 */ 9264 new_sdinfo.satadrv_type = SATA_DTYPE_ATAPI; 9265 rval = sata_identify_device(sata_hba_inst, &new_sdinfo); 9266 } 9267 } 9268 if (rval == SATA_SUCCESS) { 9269 /* 9270 * Got something responding positively to ATA Identify Device 9271 * or to Identify Packet Device cmd. 9272 * Save last used device type. 9273 */ 9274 sata_device->satadev_type = new_sdinfo.satadrv_type; 9275 9276 /* save device info, if possible */ 9277 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 9278 sata_device->satadev_addr.cport))); 9279 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 9280 if (sdinfo == NULL) { 9281 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 9282 sata_device->satadev_addr.cport))); 9283 return (SATA_FAILURE); 9284 } 9285 /* 9286 * Copy drive info into the port-linked drive info structure. 9287 */ 9288 *sdinfo = new_sdinfo; 9289 sdinfo->satadrv_state &= ~SATA_STATE_PROBING; 9290 sdinfo->satadrv_state |= SATA_STATE_PROBED; 9291 if (sata_device->satadev_addr.qual == SATA_ADDR_DCPORT) 9292 SATA_CPORT_DEV_TYPE(sata_hba_inst, 9293 sata_device->satadev_addr.cport) = 9294 sdinfo->satadrv_type; 9295 else /* SATA_ADDR_DPMPORT */ 9296 SATA_PMPORT_DEV_TYPE(sata_hba_inst, 9297 sata_device->satadev_addr.cport, 9298 sata_device->satadev_addr.pmport) = 9299 sdinfo->satadrv_type; 9300 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 9301 sata_device->satadev_addr.cport))); 9302 return (SATA_SUCCESS); 9303 } 9304 9305 /* 9306 * It may be SATA_RETRY or SATA_FAILURE return. 9307 * Looks like we cannot determine the device type at this time. 9308 */ 9309 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 9310 sata_device->satadev_addr.cport))); 9311 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 9312 if (sdinfo != NULL) { 9313 sata_device->satadev_type = SATA_DTYPE_UNKNOWN; 9314 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 9315 sdinfo->satadrv_state &= ~SATA_STATE_PROBING; 9316 sdinfo->satadrv_state |= SATA_STATE_PROBED; 9317 if (sata_device->satadev_addr.qual == SATA_ADDR_DCPORT) 9318 SATA_CPORT_DEV_TYPE(sata_hba_inst, 9319 sata_device->satadev_addr.cport) = 9320 SATA_DTYPE_UNKNOWN; 9321 else { 9322 /* SATA_ADDR_DPMPORT */ 9323 if ((SATA_PMULT_INFO(sata_hba_inst, 9324 sata_device->satadev_addr.cport) != NULL) && 9325 (SATA_PMPORT_INFO(sata_hba_inst, 9326 sata_device->satadev_addr.cport, 9327 sata_device->satadev_addr.pmport) != NULL)) 9328 SATA_PMPORT_DEV_TYPE(sata_hba_inst, 9329 sata_device->satadev_addr.cport, 9330 sata_device->satadev_addr.pmport) = 9331 SATA_DTYPE_UNKNOWN; 9332 } 9333 } 9334 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 9335 sata_device->satadev_addr.cport))); 9336 return (rval); 9337 } 9338 9339 9340 /* 9341 * Get pointer to sata_drive_info structure. 9342 * 9343 * The sata_device has to contain address (cport, pmport and qualifier) for 9344 * specified sata_scsi structure. 9345 * 9346 * Returns NULL if device address is not valid for this HBA configuration. 9347 * Otherwise, returns a pointer to sata_drive_info structure. 9348 * 9349 * This function should be called with a port mutex held. 9350 */ 9351 static sata_drive_info_t * 9352 sata_get_device_info(sata_hba_inst_t *sata_hba_inst, 9353 sata_device_t *sata_device) 9354 { 9355 uint8_t cport = sata_device->satadev_addr.cport; 9356 uint8_t pmport = sata_device->satadev_addr.pmport; 9357 uint8_t qual = sata_device->satadev_addr.qual; 9358 9359 if (cport >= SATA_NUM_CPORTS(sata_hba_inst)) 9360 return (NULL); 9361 9362 if (!(SATA_CPORT_STATE(sata_hba_inst, cport) & 9363 (SATA_STATE_PROBED | SATA_STATE_READY))) 9364 /* Port not probed yet */ 9365 return (NULL); 9366 9367 if (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) == SATA_DTYPE_NONE) 9368 return (NULL); 9369 9370 if (qual == SATA_ADDR_DCPORT) { 9371 /* Request for a device on a controller port */ 9372 if (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) == 9373 SATA_DTYPE_PMULT) 9374 /* Port multiplier attached */ 9375 return (NULL); 9376 return (SATA_CPORT_DRV_INFO(sata_hba_inst, cport)); 9377 } 9378 if (qual == SATA_ADDR_DPMPORT) { 9379 if (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) != 9380 SATA_DTYPE_PMULT) 9381 return (NULL); 9382 9383 if (pmport > SATA_NUM_PMPORTS(sata_hba_inst, cport)) 9384 return (NULL); 9385 9386 return (SATA_PMPORT_DRV_INFO(sata_hba_inst, cport, pmport)); 9387 } 9388 9389 /* we should not get here */ 9390 return (NULL); 9391 } 9392 9393 9394 /* 9395 * sata_identify_device. 9396 * Send Identify Device command to SATA HBA driver. 9397 * If command executes successfully, update sata_drive_info structure pointed 9398 * to by sdinfo argument, including Identify Device data. 9399 * If command fails, invalidate data in sata_drive_info. 9400 * 9401 * Cannot be called from interrupt level. 9402 * 9403 * Returns: 9404 * SATA_SUCCESS if the device was identified as a supported device, 9405 * SATA_RETRY if the device was not identified but could be retried, 9406 * SATA_FAILURE if the device was not identified and identify attempt 9407 * should not be retried. 9408 */ 9409 static int 9410 sata_identify_device(sata_hba_inst_t *sata_hba_inst, 9411 sata_drive_info_t *sdinfo) 9412 { 9413 uint16_t cfg_word; 9414 int rval; 9415 9416 /* fetch device identify data */ 9417 if ((rval = sata_fetch_device_identify_data(sata_hba_inst, 9418 sdinfo)) != SATA_SUCCESS) 9419 goto fail_unknown; 9420 9421 cfg_word = sdinfo->satadrv_id.ai_config; 9422 9423 /* Set the correct device type */ 9424 if ((cfg_word & SATA_ATA_TYPE_MASK) == SATA_ATA_TYPE) { 9425 sdinfo->satadrv_type = SATA_DTYPE_ATADISK; 9426 } else if ((cfg_word & SATA_ATAPI_TYPE_MASK) == SATA_ATAPI_TYPE) { 9427 switch (cfg_word & SATA_ATAPI_ID_DEV_TYPE) { 9428 case SATA_ATAPI_CDROM_DEV: 9429 sdinfo->satadrv_type = SATA_DTYPE_ATAPICD; 9430 break; 9431 case SATA_ATAPI_SQACC_DEV: 9432 sdinfo->satadrv_type = SATA_DTYPE_ATAPITAPE; 9433 break; 9434 case SATA_ATAPI_DIRACC_DEV: 9435 sdinfo->satadrv_type = SATA_DTYPE_ATAPIDISK; 9436 break; 9437 default: 9438 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 9439 } 9440 } else { 9441 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 9442 } 9443 9444 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 9445 if (sdinfo->satadrv_capacity == 0) { 9446 /* Non-LBA disk. Too bad... */ 9447 sata_log(sata_hba_inst, CE_WARN, 9448 "SATA disk device at port %d does not support LBA", 9449 sdinfo->satadrv_addr.cport); 9450 rval = SATA_FAILURE; 9451 goto fail_unknown; 9452 } 9453 } 9454 #if 0 9455 /* Left for historical reason */ 9456 /* 9457 * Some initial version of SATA spec indicated that at least 9458 * UDMA mode 4 has to be supported. It is not metioned in 9459 * SerialATA 2.6, so this restriction is removed. 9460 */ 9461 /* Check for Ultra DMA modes 6 through 0 being supported */ 9462 for (i = 6; i >= 0; --i) { 9463 if (sdinfo->satadrv_id.ai_ultradma & (1 << i)) 9464 break; 9465 } 9466 9467 /* 9468 * At least UDMA 4 mode has to be supported. If mode 4 or 9469 * higher are not supported by the device, fail this 9470 * device. 9471 */ 9472 if (i < 4) { 9473 /* No required Ultra DMA mode supported */ 9474 sata_log(sata_hba_inst, CE_WARN, 9475 "SATA disk device at port %d does not support UDMA " 9476 "mode 4 or higher", sdinfo->satadrv_addr.cport); 9477 SATA_LOG_D((sata_hba_inst, CE_WARN, 9478 "mode 4 or higher required, %d supported", i)); 9479 rval = SATA_FAILURE; 9480 goto fail_unknown; 9481 } 9482 #endif 9483 9484 /* 9485 * For Disk devices, if it doesn't support UDMA mode, we would 9486 * like to return failure directly. 9487 */ 9488 if ((sdinfo->satadrv_type == SATA_DTYPE_ATADISK) && 9489 !((sdinfo->satadrv_id.ai_validinfo & SATA_VALIDINFO_88) != 0 && 9490 (sdinfo->satadrv_id.ai_ultradma & SATA_UDMA_SUP_MASK) != 0)) { 9491 sata_log(sata_hba_inst, CE_WARN, 9492 "SATA disk device at port %d does not support UDMA", 9493 sdinfo->satadrv_addr.cport); 9494 rval = SATA_FAILURE; 9495 goto fail_unknown; 9496 } 9497 9498 return (SATA_SUCCESS); 9499 9500 fail_unknown: 9501 /* Invalidate sata_drive_info ? */ 9502 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 9503 sdinfo->satadrv_state = SATA_STATE_UNKNOWN; 9504 return (rval); 9505 } 9506 9507 /* 9508 * Log/display device information 9509 */ 9510 static void 9511 sata_show_drive_info(sata_hba_inst_t *sata_hba_inst, 9512 sata_drive_info_t *sdinfo) 9513 { 9514 int valid_version; 9515 char msg_buf[MAXPATHLEN]; 9516 int i; 9517 9518 /* Show HBA path */ 9519 (void) ddi_pathname(SATA_DIP(sata_hba_inst), msg_buf); 9520 9521 cmn_err(CE_CONT, "?%s :\n", msg_buf); 9522 9523 switch (sdinfo->satadrv_type) { 9524 case SATA_DTYPE_ATADISK: 9525 (void) sprintf(msg_buf, "SATA disk device at"); 9526 break; 9527 9528 case SATA_DTYPE_ATAPICD: 9529 (void) sprintf(msg_buf, "SATA CD/DVD (ATAPI) device at"); 9530 break; 9531 9532 case SATA_DTYPE_ATAPITAPE: 9533 (void) sprintf(msg_buf, "SATA tape (ATAPI) device at"); 9534 break; 9535 9536 case SATA_DTYPE_ATAPIDISK: 9537 (void) sprintf(msg_buf, "SATA disk (ATAPI) device at"); 9538 break; 9539 9540 case SATA_DTYPE_UNKNOWN: 9541 (void) sprintf(msg_buf, 9542 "Unsupported SATA device type (cfg 0x%x) at ", 9543 sdinfo->satadrv_id.ai_config); 9544 break; 9545 } 9546 9547 if (sdinfo->satadrv_addr.qual == SATA_ADDR_DCPORT) 9548 cmn_err(CE_CONT, "?\t%s port %d\n", 9549 msg_buf, sdinfo->satadrv_addr.cport); 9550 else 9551 cmn_err(CE_CONT, "?\t%s port %d pmport %d\n", 9552 msg_buf, sdinfo->satadrv_addr.cport, 9553 sdinfo->satadrv_addr.pmport); 9554 9555 bcopy(&sdinfo->satadrv_id.ai_model, msg_buf, 9556 sizeof (sdinfo->satadrv_id.ai_model)); 9557 swab(msg_buf, msg_buf, sizeof (sdinfo->satadrv_id.ai_model)); 9558 msg_buf[sizeof (sdinfo->satadrv_id.ai_model)] = '\0'; 9559 cmn_err(CE_CONT, "?\tmodel %s\n", msg_buf); 9560 9561 bcopy(&sdinfo->satadrv_id.ai_fw, msg_buf, 9562 sizeof (sdinfo->satadrv_id.ai_fw)); 9563 swab(msg_buf, msg_buf, sizeof (sdinfo->satadrv_id.ai_fw)); 9564 msg_buf[sizeof (sdinfo->satadrv_id.ai_fw)] = '\0'; 9565 cmn_err(CE_CONT, "?\tfirmware %s\n", msg_buf); 9566 9567 bcopy(&sdinfo->satadrv_id.ai_drvser, msg_buf, 9568 sizeof (sdinfo->satadrv_id.ai_drvser)); 9569 swab(msg_buf, msg_buf, sizeof (sdinfo->satadrv_id.ai_drvser)); 9570 msg_buf[sizeof (sdinfo->satadrv_id.ai_drvser)] = '\0'; 9571 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 9572 cmn_err(CE_CONT, "?\tserial number %s\n", msg_buf); 9573 } else { 9574 /* 9575 * Some drives do not implement serial number and may 9576 * violate the spec by providing spaces rather than zeros 9577 * in serial number field. Scan the buffer to detect it. 9578 */ 9579 for (i = 0; i < sizeof (sdinfo->satadrv_id.ai_drvser); i++) { 9580 if (msg_buf[i] != '\0' && msg_buf[i] != ' ') 9581 break; 9582 } 9583 if (i == sizeof (sdinfo->satadrv_id.ai_drvser)) { 9584 cmn_err(CE_CONT, "?\tserial number - none\n"); 9585 } else { 9586 cmn_err(CE_CONT, "?\tserial number %s\n", msg_buf); 9587 } 9588 } 9589 9590 #ifdef SATA_DEBUG 9591 if (sdinfo->satadrv_id.ai_majorversion != 0 && 9592 sdinfo->satadrv_id.ai_majorversion != 0xffff) { 9593 int i; 9594 for (i = 14; i >= 2; i--) { 9595 if (sdinfo->satadrv_id.ai_majorversion & (1 << i)) { 9596 valid_version = i; 9597 break; 9598 } 9599 } 9600 cmn_err(CE_CONT, 9601 "?\tATA/ATAPI-%d supported, majver 0x%x minver 0x%x\n", 9602 valid_version, 9603 sdinfo->satadrv_id.ai_majorversion, 9604 sdinfo->satadrv_id.ai_minorversion); 9605 } 9606 #endif 9607 /* Log some info */ 9608 cmn_err(CE_CONT, "?\tsupported features:\n"); 9609 msg_buf[0] = '\0'; 9610 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 9611 if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) 9612 (void) strlcat(msg_buf, "48-bit LBA, ", MAXPATHLEN); 9613 else if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA28) 9614 (void) strlcat(msg_buf, "28-bit LBA, ", MAXPATHLEN); 9615 } 9616 if (sdinfo->satadrv_features_support & SATA_DEV_F_DMA) 9617 (void) strlcat(msg_buf, "DMA", MAXPATHLEN); 9618 if (sdinfo->satadrv_features_support & SATA_DEV_F_NCQ) 9619 (void) strlcat(msg_buf, ", Native Command Queueing", 9620 MAXPATHLEN); 9621 if (sdinfo->satadrv_features_support & SATA_DEV_F_TCQ) 9622 (void) strlcat(msg_buf, ", Legacy Tagged Queuing", MAXPATHLEN); 9623 if ((sdinfo->satadrv_id.ai_cmdset82 & SATA_SMART_SUPPORTED) && 9624 (sdinfo->satadrv_id.ai_features85 & SATA_SMART_ENABLED)) 9625 (void) strlcat(msg_buf, ", SMART", MAXPATHLEN); 9626 if ((sdinfo->satadrv_id.ai_cmdset84 & SATA_SMART_SELF_TEST_SUPPORTED) && 9627 (sdinfo->satadrv_id.ai_features87 & SATA_SMART_SELF_TEST_SUPPORTED)) 9628 (void) strlcat(msg_buf, ", SMART self-test", MAXPATHLEN); 9629 cmn_err(CE_CONT, "?\t %s\n", msg_buf); 9630 if (sdinfo->satadrv_features_support & SATA_DEV_F_SATA2) 9631 cmn_err(CE_CONT, "?\tSATA Gen2 signaling speed (3.0Gbps)\n"); 9632 else if (sdinfo->satadrv_features_support & SATA_DEV_F_SATA1) 9633 cmn_err(CE_CONT, "?\tSATA Gen1 signaling speed (1.5Gbps)\n"); 9634 if (sdinfo->satadrv_features_support & 9635 (SATA_DEV_F_TCQ | SATA_DEV_F_NCQ)) { 9636 msg_buf[0] = '\0'; 9637 (void) snprintf(msg_buf, MAXPATHLEN, 9638 "Supported queue depth %d", 9639 sdinfo->satadrv_queue_depth); 9640 if (!(sata_func_enable & 9641 (SATA_ENABLE_QUEUING | SATA_ENABLE_NCQ))) 9642 (void) strlcat(msg_buf, 9643 " - queueing disabled globally", MAXPATHLEN); 9644 else if (sdinfo->satadrv_queue_depth > 9645 sdinfo->satadrv_max_queue_depth) { 9646 (void) snprintf(&msg_buf[strlen(msg_buf)], 9647 MAXPATHLEN - strlen(msg_buf), ", limited to %d", 9648 (int)sdinfo->satadrv_max_queue_depth); 9649 } 9650 cmn_err(CE_CONT, "?\t%s\n", msg_buf); 9651 } 9652 9653 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 9654 #ifdef __i386 9655 (void) sprintf(msg_buf, "\tcapacity = %llu sectors\n", 9656 sdinfo->satadrv_capacity); 9657 #else 9658 (void) sprintf(msg_buf, "\tcapacity = %lu sectors\n", 9659 sdinfo->satadrv_capacity); 9660 #endif 9661 cmn_err(CE_CONT, "?%s", msg_buf); 9662 } 9663 } 9664 9665 9666 /* 9667 * sata_save_drive_settings extracts current setting of the device and stores 9668 * it for future reference, in case the device setup would need to be restored 9669 * after the device reset. 9670 * 9671 * For all devices read ahead and write cache settings are saved, if the 9672 * device supports these features at all. 9673 * For ATAPI devices the Removable Media Status Notification setting is saved. 9674 */ 9675 static void 9676 sata_save_drive_settings(sata_drive_info_t *sdinfo) 9677 { 9678 if (SATA_READ_AHEAD_SUPPORTED(sdinfo->satadrv_id) || 9679 SATA_WRITE_CACHE_SUPPORTED(sdinfo->satadrv_id)) { 9680 9681 /* Current setting of Read Ahead (and Read Cache) */ 9682 if (SATA_READ_AHEAD_ENABLED(sdinfo->satadrv_id)) 9683 sdinfo->satadrv_settings |= SATA_DEV_READ_AHEAD; 9684 else 9685 sdinfo->satadrv_settings &= ~SATA_DEV_READ_AHEAD; 9686 9687 /* Current setting of Write Cache */ 9688 if (SATA_WRITE_CACHE_ENABLED(sdinfo->satadrv_id)) 9689 sdinfo->satadrv_settings |= SATA_DEV_WRITE_CACHE; 9690 else 9691 sdinfo->satadrv_settings &= ~SATA_DEV_WRITE_CACHE; 9692 } 9693 9694 if (sdinfo->satadrv_type == SATA_DTYPE_ATAPICD) { 9695 if (SATA_RM_NOTIFIC_SUPPORTED(sdinfo->satadrv_id)) 9696 sdinfo->satadrv_settings |= SATA_DEV_RMSN; 9697 else 9698 sdinfo->satadrv_settings &= ~SATA_DEV_RMSN; 9699 } 9700 } 9701 9702 9703 /* 9704 * sata_check_capacity function determines a disk capacity 9705 * and addressing mode (LBA28/LBA48) by examining a disk identify device data. 9706 * 9707 * NOTE: CHS mode is not supported! If a device does not support LBA, 9708 * this function is not called. 9709 * 9710 * Returns device capacity in number of blocks, i.e. largest addressable LBA+1 9711 */ 9712 static uint64_t 9713 sata_check_capacity(sata_drive_info_t *sdinfo) 9714 { 9715 uint64_t capacity = 0; 9716 int i; 9717 9718 if (sdinfo->satadrv_type != SATA_DTYPE_ATADISK || 9719 !sdinfo->satadrv_id.ai_cap & SATA_LBA_SUPPORT) 9720 /* Capacity valid only for LBA-addressable disk devices */ 9721 return (0); 9722 9723 if ((sdinfo->satadrv_id.ai_validinfo & SATA_VALIDINFO_88) && 9724 (sdinfo->satadrv_id.ai_cmdset83 & SATA_EXT48) && 9725 (sdinfo->satadrv_id.ai_features86 & SATA_EXT48)) { 9726 /* LBA48 mode supported and enabled */ 9727 sdinfo->satadrv_features_support |= SATA_DEV_F_LBA48 | 9728 SATA_DEV_F_LBA28; 9729 for (i = 3; i >= 0; --i) { 9730 capacity <<= 16; 9731 capacity += sdinfo->satadrv_id.ai_addrsecxt[i]; 9732 } 9733 } else { 9734 capacity = sdinfo->satadrv_id.ai_addrsec[1]; 9735 capacity <<= 16; 9736 capacity += sdinfo->satadrv_id.ai_addrsec[0]; 9737 if (capacity >= 0x1000000) 9738 /* LBA28 mode */ 9739 sdinfo->satadrv_features_support |= SATA_DEV_F_LBA28; 9740 } 9741 return (capacity); 9742 } 9743 9744 9745 /* 9746 * Allocate consistent buffer for DMA transfer 9747 * 9748 * Cannot be called from interrupt level or with mutex held - it may sleep. 9749 * 9750 * Returns pointer to allocated buffer structure, or NULL if allocation failed. 9751 */ 9752 static struct buf * 9753 sata_alloc_local_buffer(sata_pkt_txlate_t *spx, int len) 9754 { 9755 struct scsi_address ap; 9756 struct buf *bp; 9757 ddi_dma_attr_t cur_dma_attr; 9758 9759 ASSERT(spx->txlt_sata_pkt != NULL); 9760 ap.a_hba_tran = spx->txlt_sata_hba_inst->satahba_scsi_tran; 9761 ap.a_target = SATA_TO_SCSI_TARGET( 9762 spx->txlt_sata_pkt->satapkt_device.satadev_addr.cport, 9763 spx->txlt_sata_pkt->satapkt_device.satadev_addr.pmport, 9764 spx->txlt_sata_pkt->satapkt_device.satadev_addr.qual); 9765 ap.a_lun = 0; 9766 9767 bp = scsi_alloc_consistent_buf(&ap, NULL, len, 9768 B_READ, SLEEP_FUNC, NULL); 9769 9770 if (bp != NULL) { 9771 /* Allocate DMA resources for this buffer */ 9772 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = bp; 9773 /* 9774 * We use a local version of the dma_attr, to account 9775 * for a device addressing limitations. 9776 * sata_adjust_dma_attr() will handle sdinfo == NULL which 9777 * will cause dma attributes to be adjusted to a lowest 9778 * acceptable level. 9779 */ 9780 sata_adjust_dma_attr(NULL, 9781 SATA_DMA_ATTR(spx->txlt_sata_hba_inst), &cur_dma_attr); 9782 9783 if (sata_dma_buf_setup(spx, PKT_CONSISTENT, 9784 SLEEP_FUNC, NULL, &cur_dma_attr) != DDI_SUCCESS) { 9785 scsi_free_consistent_buf(bp); 9786 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; 9787 bp = NULL; 9788 } 9789 } 9790 return (bp); 9791 } 9792 9793 /* 9794 * Release local buffer (consistent buffer for DMA transfer) allocated 9795 * via sata_alloc_local_buffer(). 9796 */ 9797 static void 9798 sata_free_local_buffer(sata_pkt_txlate_t *spx) 9799 { 9800 ASSERT(spx->txlt_sata_pkt != NULL); 9801 ASSERT(spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp != NULL); 9802 9803 spx->txlt_sata_pkt->satapkt_cmd.satacmd_num_dma_cookies = 0; 9804 spx->txlt_sata_pkt->satapkt_cmd.satacmd_dma_cookie_list = NULL; 9805 9806 sata_common_free_dma_rsrcs(spx); 9807 9808 /* Free buffer */ 9809 scsi_free_consistent_buf(spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp); 9810 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; 9811 } 9812 9813 /* 9814 * Allocate sata_pkt 9815 * Pkt structure version and embedded strcutures version are initialized. 9816 * sata_pkt and sata_pkt_txlate structures are cross-linked. 9817 * 9818 * Since this may be called in interrupt context by sata_scsi_init_pkt, 9819 * callback argument determines if it can sleep or not. 9820 * Hence, it should not be called from interrupt context. 9821 * 9822 * If successful, non-NULL pointer to a sata pkt is returned. 9823 * Upon failure, NULL pointer is returned. 9824 */ 9825 static sata_pkt_t * 9826 sata_pkt_alloc(sata_pkt_txlate_t *spx, int (*callback)(caddr_t)) 9827 { 9828 sata_pkt_t *spkt; 9829 int kmsflag; 9830 9831 kmsflag = (callback == SLEEP_FUNC) ? KM_SLEEP : KM_NOSLEEP; 9832 spkt = kmem_zalloc(sizeof (sata_pkt_t), kmsflag); 9833 if (spkt == NULL) { 9834 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 9835 "sata_pkt_alloc: failed")); 9836 return (NULL); 9837 } 9838 spkt->satapkt_rev = SATA_PKT_REV; 9839 spkt->satapkt_cmd.satacmd_rev = SATA_CMD_REV; 9840 spkt->satapkt_device.satadev_rev = SATA_DEVICE_REV; 9841 spkt->satapkt_framework_private = spx; 9842 spx->txlt_sata_pkt = spkt; 9843 return (spkt); 9844 } 9845 9846 /* 9847 * Free sata pkt allocated via sata_pkt_alloc() 9848 */ 9849 static void 9850 sata_pkt_free(sata_pkt_txlate_t *spx) 9851 { 9852 ASSERT(spx->txlt_sata_pkt != NULL); 9853 ASSERT(spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp == NULL); 9854 kmem_free(spx->txlt_sata_pkt, sizeof (sata_pkt_t)); 9855 spx->txlt_sata_pkt = NULL; 9856 } 9857 9858 9859 /* 9860 * Adjust DMA attributes. 9861 * SCSI cmds block count is up to 24 bits, SATA cmd block count vary 9862 * from 8 bits to 16 bits, depending on a command being used. 9863 * Limiting max block count arbitrarily to 256 for all read/write 9864 * commands may affects performance, so check both the device and 9865 * controller capability before adjusting dma attributes. 9866 */ 9867 void 9868 sata_adjust_dma_attr(sata_drive_info_t *sdinfo, ddi_dma_attr_t *dma_attr, 9869 ddi_dma_attr_t *adj_dma_attr) 9870 { 9871 uint32_t count_max; 9872 9873 /* Copy original attributes */ 9874 *adj_dma_attr = *dma_attr; 9875 /* 9876 * Things to consider: device addressing capability, 9877 * "excessive" controller DMA capabilities. 9878 * If a device is being probed/initialized, there are 9879 * no device info - use default limits then. 9880 */ 9881 if (sdinfo == NULL) { 9882 count_max = dma_attr->dma_attr_granular * 0x100; 9883 if (dma_attr->dma_attr_count_max > count_max) 9884 adj_dma_attr->dma_attr_count_max = count_max; 9885 if (dma_attr->dma_attr_maxxfer > count_max) 9886 adj_dma_attr->dma_attr_maxxfer = count_max; 9887 return; 9888 } 9889 9890 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 9891 if (sdinfo->satadrv_features_support & (SATA_DEV_F_LBA48)) { 9892 /* 9893 * 16-bit sector count may be used - we rely on 9894 * the assumption that only read and write cmds 9895 * will request more than 256 sectors worth of data 9896 */ 9897 count_max = adj_dma_attr->dma_attr_granular * 0x10000; 9898 } else { 9899 /* 9900 * 8-bit sector count will be used - default limits 9901 * for dma attributes 9902 */ 9903 count_max = adj_dma_attr->dma_attr_granular * 0x100; 9904 } 9905 /* 9906 * Adjust controler dma attributes, if necessary 9907 */ 9908 if (dma_attr->dma_attr_count_max > count_max) 9909 adj_dma_attr->dma_attr_count_max = count_max; 9910 if (dma_attr->dma_attr_maxxfer > count_max) 9911 adj_dma_attr->dma_attr_maxxfer = count_max; 9912 } 9913 } 9914 9915 9916 /* 9917 * Allocate DMA resources for the buffer 9918 * This function handles initial DMA resource allocation as well as 9919 * DMA window shift and may be called repeatedly for the same DMA window 9920 * until all DMA cookies in the DMA window are processed. 9921 * To guarantee that there is always a coherent set of cookies to process 9922 * by SATA HBA driver (observing alignment, device granularity, etc.), 9923 * the number of slots for DMA cookies is equal to lesser of a number of 9924 * cookies in a DMA window and a max number of scatter/gather entries. 9925 * 9926 * Returns DDI_SUCCESS upon successful operation. 9927 * Return failure code of a failing command or DDI_FAILURE when 9928 * internal cleanup failed. 9929 */ 9930 static int 9931 sata_dma_buf_setup(sata_pkt_txlate_t *spx, int flags, 9932 int (*callback)(caddr_t), caddr_t arg, 9933 ddi_dma_attr_t *cur_dma_attr) 9934 { 9935 int rval; 9936 off_t offset; 9937 size_t size; 9938 int max_sg_len, req_len, i; 9939 uint_t dma_flags; 9940 struct buf *bp; 9941 uint64_t cur_txfer_len; 9942 9943 9944 ASSERT(spx->txlt_sata_pkt != NULL); 9945 bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 9946 ASSERT(bp != NULL); 9947 9948 9949 if (spx->txlt_buf_dma_handle == NULL) { 9950 /* 9951 * No DMA resources allocated so far - this is a first call 9952 * for this sata pkt. 9953 */ 9954 rval = ddi_dma_alloc_handle(SATA_DIP(spx->txlt_sata_hba_inst), 9955 cur_dma_attr, callback, arg, &spx->txlt_buf_dma_handle); 9956 9957 if (rval != DDI_SUCCESS) { 9958 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 9959 "sata_dma_buf_setup: no buf DMA resources %x", 9960 rval)); 9961 return (rval); 9962 } 9963 9964 if (bp->b_flags & B_READ) 9965 dma_flags = DDI_DMA_READ; 9966 else 9967 dma_flags = DDI_DMA_WRITE; 9968 9969 if (flags & PKT_CONSISTENT) 9970 dma_flags |= DDI_DMA_CONSISTENT; 9971 9972 if (flags & PKT_DMA_PARTIAL) 9973 dma_flags |= DDI_DMA_PARTIAL; 9974 9975 /* 9976 * Check buffer alignment and size against dma attributes 9977 * Consider dma_attr_align only. There may be requests 9978 * with the size lower than device granularity, but they 9979 * will not read/write from/to the device, so no adjustment 9980 * is necessary. The dma_attr_minxfer theoretically should 9981 * be considered, but no HBA driver is checking it. 9982 */ 9983 if (IS_P2ALIGNED(bp->b_un.b_addr, 9984 cur_dma_attr->dma_attr_align)) { 9985 rval = ddi_dma_buf_bind_handle( 9986 spx->txlt_buf_dma_handle, 9987 bp, dma_flags, callback, arg, 9988 &spx->txlt_dma_cookie, 9989 &spx->txlt_curwin_num_dma_cookies); 9990 } else { /* Buffer is not aligned */ 9991 9992 int (*ddicallback)(caddr_t); 9993 size_t bufsz; 9994 9995 /* Check id sleeping is allowed */ 9996 ddicallback = (callback == NULL_FUNC) ? 9997 DDI_DMA_DONTWAIT : DDI_DMA_SLEEP; 9998 9999 SATADBG2(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, 10000 "mis-aligned buffer: addr=0x%p, cnt=%lu", 10001 (void *)bp->b_un.b_addr, bp->b_bcount); 10002 10003 if (bp->b_flags & (B_PAGEIO|B_PHYS)) 10004 /* 10005 * CPU will need to access data in the buffer 10006 * (for copying) so map it. 10007 */ 10008 bp_mapin(bp); 10009 10010 ASSERT(spx->txlt_tmp_buf == NULL); 10011 10012 /* Buffer may be padded by ddi_dma_mem_alloc()! */ 10013 rval = ddi_dma_mem_alloc( 10014 spx->txlt_buf_dma_handle, 10015 bp->b_bcount, 10016 &sata_acc_attr, 10017 DDI_DMA_STREAMING, 10018 ddicallback, NULL, 10019 &spx->txlt_tmp_buf, 10020 &bufsz, 10021 &spx->txlt_tmp_buf_handle); 10022 10023 if (rval != DDI_SUCCESS) { 10024 /* DMA mapping failed */ 10025 (void) ddi_dma_free_handle( 10026 &spx->txlt_buf_dma_handle); 10027 spx->txlt_buf_dma_handle = NULL; 10028 #ifdef SATA_DEBUG 10029 mbuffail_count++; 10030 #endif 10031 SATADBG1(SATA_DBG_DMA_SETUP, 10032 spx->txlt_sata_hba_inst, 10033 "sata_dma_buf_setup: " 10034 "buf dma mem alloc failed %x\n", rval); 10035 return (rval); 10036 } 10037 ASSERT(IS_P2ALIGNED(spx->txlt_tmp_buf, 10038 cur_dma_attr->dma_attr_align)); 10039 10040 #ifdef SATA_DEBUG 10041 mbuf_count++; 10042 10043 if (bp->b_bcount != bufsz) 10044 /* 10045 * This will require special handling, because 10046 * DMA cookies will be based on the temporary 10047 * buffer size, not the original buffer 10048 * b_bcount, so the residue may have to 10049 * be counted differently. 10050 */ 10051 SATADBG2(SATA_DBG_DMA_SETUP, 10052 spx->txlt_sata_hba_inst, 10053 "sata_dma_buf_setup: bp size %x != " 10054 "bufsz %x\n", bp->b_bcount, bufsz); 10055 #endif 10056 if (dma_flags & DDI_DMA_WRITE) { 10057 /* 10058 * Write operation - copy data into 10059 * an aligned temporary buffer. Buffer will be 10060 * synced for device by ddi_dma_addr_bind_handle 10061 */ 10062 bcopy(bp->b_un.b_addr, spx->txlt_tmp_buf, 10063 bp->b_bcount); 10064 } 10065 10066 rval = ddi_dma_addr_bind_handle( 10067 spx->txlt_buf_dma_handle, 10068 NULL, 10069 spx->txlt_tmp_buf, 10070 bufsz, dma_flags, ddicallback, 0, 10071 &spx->txlt_dma_cookie, 10072 &spx->txlt_curwin_num_dma_cookies); 10073 } 10074 10075 switch (rval) { 10076 case DDI_DMA_PARTIAL_MAP: 10077 SATADBG1(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, 10078 "sata_dma_buf_setup: DMA Partial Map\n", NULL); 10079 /* 10080 * Partial DMA mapping. 10081 * Retrieve number of DMA windows for this request. 10082 */ 10083 if (ddi_dma_numwin(spx->txlt_buf_dma_handle, 10084 &spx->txlt_num_dma_win) != DDI_SUCCESS) { 10085 if (spx->txlt_tmp_buf != NULL) { 10086 ddi_dma_mem_free( 10087 &spx->txlt_tmp_buf_handle); 10088 spx->txlt_tmp_buf = NULL; 10089 } 10090 (void) ddi_dma_unbind_handle( 10091 spx->txlt_buf_dma_handle); 10092 (void) ddi_dma_free_handle( 10093 &spx->txlt_buf_dma_handle); 10094 spx->txlt_buf_dma_handle = NULL; 10095 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 10096 "sata_dma_buf_setup: numwin failed\n")); 10097 return (DDI_FAILURE); 10098 } 10099 SATADBG2(SATA_DBG_DMA_SETUP, 10100 spx->txlt_sata_hba_inst, 10101 "sata_dma_buf_setup: windows: %d, cookies: %d\n", 10102 spx->txlt_num_dma_win, 10103 spx->txlt_curwin_num_dma_cookies); 10104 spx->txlt_cur_dma_win = 0; 10105 break; 10106 10107 case DDI_DMA_MAPPED: 10108 /* DMA fully mapped */ 10109 spx->txlt_num_dma_win = 1; 10110 spx->txlt_cur_dma_win = 0; 10111 SATADBG1(SATA_DBG_DMA_SETUP, 10112 spx->txlt_sata_hba_inst, 10113 "sata_dma_buf_setup: windows: 1 " 10114 "cookies: %d\n", spx->txlt_curwin_num_dma_cookies); 10115 break; 10116 10117 default: 10118 /* DMA mapping failed */ 10119 if (spx->txlt_tmp_buf != NULL) { 10120 ddi_dma_mem_free( 10121 &spx->txlt_tmp_buf_handle); 10122 spx->txlt_tmp_buf = NULL; 10123 } 10124 (void) ddi_dma_free_handle(&spx->txlt_buf_dma_handle); 10125 spx->txlt_buf_dma_handle = NULL; 10126 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 10127 "sata_dma_buf_setup: buf dma handle binding " 10128 "failed %x\n", rval)); 10129 return (rval); 10130 } 10131 spx->txlt_curwin_processed_dma_cookies = 0; 10132 spx->txlt_dma_cookie_list = NULL; 10133 } else { 10134 /* 10135 * DMA setup is reused. Check if we need to process more 10136 * cookies in current window, or to get next window, if any. 10137 */ 10138 10139 ASSERT(spx->txlt_curwin_processed_dma_cookies <= 10140 spx->txlt_curwin_num_dma_cookies); 10141 10142 if (spx->txlt_curwin_processed_dma_cookies == 10143 spx->txlt_curwin_num_dma_cookies) { 10144 /* 10145 * All cookies from current DMA window were processed. 10146 * Get next DMA window. 10147 */ 10148 spx->txlt_cur_dma_win++; 10149 if (spx->txlt_cur_dma_win < spx->txlt_num_dma_win) { 10150 (void) ddi_dma_getwin(spx->txlt_buf_dma_handle, 10151 spx->txlt_cur_dma_win, &offset, &size, 10152 &spx->txlt_dma_cookie, 10153 &spx->txlt_curwin_num_dma_cookies); 10154 spx->txlt_curwin_processed_dma_cookies = 0; 10155 } else { 10156 /* No more windows! End of request! */ 10157 /* What to do? - panic for now */ 10158 ASSERT(spx->txlt_cur_dma_win >= 10159 spx->txlt_num_dma_win); 10160 10161 spx->txlt_curwin_num_dma_cookies = 0; 10162 spx->txlt_curwin_processed_dma_cookies = 0; 10163 spx->txlt_sata_pkt-> 10164 satapkt_cmd.satacmd_num_dma_cookies = 0; 10165 return (DDI_SUCCESS); 10166 } 10167 } 10168 } 10169 /* There better be at least one DMA cookie outstanding */ 10170 ASSERT((spx->txlt_curwin_num_dma_cookies - 10171 spx->txlt_curwin_processed_dma_cookies) > 0); 10172 10173 if (spx->txlt_dma_cookie_list == &spx->txlt_dma_cookie) { 10174 /* The default cookie slot was used in previous run */ 10175 ASSERT(spx->txlt_curwin_processed_dma_cookies == 0); 10176 spx->txlt_dma_cookie_list = NULL; 10177 spx->txlt_dma_cookie_list_len = 0; 10178 } 10179 if (spx->txlt_curwin_processed_dma_cookies == 0) { 10180 /* 10181 * Processing a new DMA window - set-up dma cookies list. 10182 * We may reuse previously allocated cookie array if it is 10183 * possible. 10184 */ 10185 if (spx->txlt_dma_cookie_list != NULL && 10186 spx->txlt_dma_cookie_list_len < 10187 spx->txlt_curwin_num_dma_cookies) { 10188 /* 10189 * New DMA window contains more cookies than 10190 * the previous one. We need larger cookie list - free 10191 * the old one. 10192 */ 10193 (void) kmem_free(spx->txlt_dma_cookie_list, 10194 spx->txlt_dma_cookie_list_len * 10195 sizeof (ddi_dma_cookie_t)); 10196 spx->txlt_dma_cookie_list = NULL; 10197 spx->txlt_dma_cookie_list_len = 0; 10198 } 10199 if (spx->txlt_dma_cookie_list == NULL) { 10200 /* 10201 * Calculate lesser of number of cookies in this 10202 * DMA window and number of s/g entries. 10203 */ 10204 max_sg_len = cur_dma_attr->dma_attr_sgllen; 10205 req_len = MIN(max_sg_len, 10206 spx->txlt_curwin_num_dma_cookies); 10207 10208 /* Allocate new dma cookie array if necessary */ 10209 if (req_len == 1) { 10210 /* Only one cookie - no need for a list */ 10211 spx->txlt_dma_cookie_list = 10212 &spx->txlt_dma_cookie; 10213 spx->txlt_dma_cookie_list_len = 1; 10214 } else { 10215 /* 10216 * More than one cookie - try to allocate space. 10217 */ 10218 spx->txlt_dma_cookie_list = kmem_zalloc( 10219 sizeof (ddi_dma_cookie_t) * req_len, 10220 callback == NULL_FUNC ? KM_NOSLEEP : 10221 KM_SLEEP); 10222 if (spx->txlt_dma_cookie_list == NULL) { 10223 SATADBG1(SATA_DBG_DMA_SETUP, 10224 spx->txlt_sata_hba_inst, 10225 "sata_dma_buf_setup: cookie list " 10226 "allocation failed\n", NULL); 10227 /* 10228 * We could not allocate space for 10229 * neccessary number of dma cookies in 10230 * this window, so we fail this request. 10231 * Next invocation would try again to 10232 * allocate space for cookie list. 10233 * Note:Packet residue was not modified. 10234 */ 10235 return (DDI_DMA_NORESOURCES); 10236 } else { 10237 spx->txlt_dma_cookie_list_len = req_len; 10238 } 10239 } 10240 } 10241 /* 10242 * Fetch DMA cookies into cookie list in sata_pkt_txlate. 10243 * First cookie was already fetched. 10244 */ 10245 *(&spx->txlt_dma_cookie_list[0]) = spx->txlt_dma_cookie; 10246 cur_txfer_len = 10247 (uint64_t)spx->txlt_dma_cookie_list[0].dmac_size; 10248 spx->txlt_sata_pkt->satapkt_cmd.satacmd_num_dma_cookies = 1; 10249 spx->txlt_curwin_processed_dma_cookies++; 10250 for (i = 1; (i < spx->txlt_dma_cookie_list_len) && 10251 (i < spx->txlt_curwin_num_dma_cookies); i++) { 10252 ddi_dma_nextcookie(spx->txlt_buf_dma_handle, 10253 &spx->txlt_dma_cookie_list[i]); 10254 cur_txfer_len += 10255 (uint64_t)spx->txlt_dma_cookie_list[i].dmac_size; 10256 spx->txlt_curwin_processed_dma_cookies++; 10257 spx->txlt_sata_pkt-> 10258 satapkt_cmd.satacmd_num_dma_cookies += 1; 10259 } 10260 } else { 10261 SATADBG2(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, 10262 "sata_dma_buf_setup: sliding within DMA window, " 10263 "cur cookie %d, total cookies %d\n", 10264 spx->txlt_curwin_processed_dma_cookies, 10265 spx->txlt_curwin_num_dma_cookies); 10266 10267 /* 10268 * Not all cookies from the current dma window were used because 10269 * of s/g limitation. 10270 * There is no need to re-size the list - it was set at 10271 * optimal size, or only default entry is used (s/g = 1). 10272 */ 10273 if (spx->txlt_dma_cookie_list == NULL) { 10274 spx->txlt_dma_cookie_list = &spx->txlt_dma_cookie; 10275 spx->txlt_dma_cookie_list_len = 1; 10276 } 10277 /* 10278 * Since we are processing remaining cookies in a DMA window, 10279 * there may be less of them than the number of entries in the 10280 * current dma cookie list. 10281 */ 10282 req_len = MIN(spx->txlt_dma_cookie_list_len, 10283 (spx->txlt_curwin_num_dma_cookies - 10284 spx->txlt_curwin_processed_dma_cookies)); 10285 10286 /* Fetch the next batch of cookies */ 10287 for (i = 0, cur_txfer_len = 0; i < req_len; i++) { 10288 ddi_dma_nextcookie(spx->txlt_buf_dma_handle, 10289 &spx->txlt_dma_cookie_list[i]); 10290 cur_txfer_len += 10291 (uint64_t)spx->txlt_dma_cookie_list[i].dmac_size; 10292 spx->txlt_sata_pkt-> 10293 satapkt_cmd.satacmd_num_dma_cookies++; 10294 spx->txlt_curwin_processed_dma_cookies++; 10295 } 10296 } 10297 10298 ASSERT(spx->txlt_sata_pkt->satapkt_cmd.satacmd_num_dma_cookies > 0); 10299 10300 /* Point sata_cmd to the cookie list */ 10301 spx->txlt_sata_pkt->satapkt_cmd.satacmd_dma_cookie_list = 10302 &spx->txlt_dma_cookie_list[0]; 10303 10304 /* Remember number of DMA cookies passed in sata packet */ 10305 spx->txlt_num_dma_cookies = 10306 spx->txlt_sata_pkt->satapkt_cmd.satacmd_num_dma_cookies; 10307 10308 ASSERT(cur_txfer_len != 0); 10309 if (cur_txfer_len <= bp->b_bcount) 10310 spx->txlt_total_residue -= cur_txfer_len; 10311 else { 10312 /* 10313 * Temporary DMA buffer has been padded by 10314 * ddi_dma_mem_alloc()! 10315 * This requires special handling, because DMA cookies are 10316 * based on the temporary buffer size, not the b_bcount, 10317 * and we have extra bytes to transfer - but the packet 10318 * residue has to stay correct because we will copy only 10319 * the requested number of bytes. 10320 */ 10321 spx->txlt_total_residue -= bp->b_bcount; 10322 } 10323 10324 return (DDI_SUCCESS); 10325 } 10326 10327 /* 10328 * Common routine for releasing DMA resources 10329 */ 10330 static void 10331 sata_common_free_dma_rsrcs(sata_pkt_txlate_t *spx) 10332 { 10333 if (spx->txlt_buf_dma_handle != NULL) { 10334 if (spx->txlt_tmp_buf != NULL) { 10335 /* 10336 * Intermediate DMA buffer was allocated. 10337 * Free allocated buffer and associated access handle. 10338 */ 10339 ddi_dma_mem_free(&spx->txlt_tmp_buf_handle); 10340 spx->txlt_tmp_buf = NULL; 10341 } 10342 /* 10343 * Free DMA resources - cookies and handles 10344 */ 10345 /* ASSERT(spx->txlt_dma_cookie_list != NULL); */ 10346 if (spx->txlt_dma_cookie_list != NULL) { 10347 if (spx->txlt_dma_cookie_list != 10348 &spx->txlt_dma_cookie) { 10349 (void) kmem_free(spx->txlt_dma_cookie_list, 10350 spx->txlt_dma_cookie_list_len * 10351 sizeof (ddi_dma_cookie_t)); 10352 spx->txlt_dma_cookie_list = NULL; 10353 } 10354 } 10355 (void) ddi_dma_unbind_handle(spx->txlt_buf_dma_handle); 10356 (void) ddi_dma_free_handle(&spx->txlt_buf_dma_handle); 10357 spx->txlt_buf_dma_handle = NULL; 10358 } 10359 } 10360 10361 /* 10362 * Free DMA resources 10363 * Used by the HBA driver to release DMA resources that it does not use. 10364 * 10365 * Returns Void 10366 */ 10367 void 10368 sata_free_dma_resources(sata_pkt_t *sata_pkt) 10369 { 10370 sata_pkt_txlate_t *spx; 10371 10372 if (sata_pkt == NULL) 10373 return; 10374 10375 spx = (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; 10376 10377 sata_common_free_dma_rsrcs(spx); 10378 } 10379 10380 /* 10381 * Fetch Device Identify data. 10382 * Send DEVICE IDENTIFY or IDENTIFY PACKET DEVICE (depending on a device type) 10383 * command to a device and get the device identify data. 10384 * The device_info structure has to be set to device type (for selecting proper 10385 * device identify command). 10386 * 10387 * Returns: 10388 * SATA_SUCCESS if cmd succeeded 10389 * SATA_RETRY if cmd was rejected and could be retried, 10390 * SATA_FAILURE if cmd failed and should not be retried (port error) 10391 * 10392 * Cannot be called in an interrupt context. 10393 */ 10394 10395 static int 10396 sata_fetch_device_identify_data(sata_hba_inst_t *sata_hba_inst, 10397 sata_drive_info_t *sdinfo) 10398 { 10399 struct buf *bp; 10400 sata_pkt_t *spkt; 10401 sata_cmd_t *scmd; 10402 sata_pkt_txlate_t *spx; 10403 int rval; 10404 10405 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 10406 spx->txlt_sata_hba_inst = sata_hba_inst; 10407 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 10408 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 10409 if (spkt == NULL) { 10410 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 10411 return (SATA_RETRY); /* may retry later */ 10412 } 10413 /* address is needed now */ 10414 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 10415 10416 /* 10417 * Allocate buffer for Identify Data return data 10418 */ 10419 bp = sata_alloc_local_buffer(spx, sizeof (sata_id_t)); 10420 if (bp == NULL) { 10421 sata_pkt_free(spx); 10422 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 10423 SATA_LOG_D((sata_hba_inst, CE_WARN, 10424 "sata_fetch_device_identify_data: " 10425 "cannot allocate buffer for ID")); 10426 return (SATA_RETRY); /* may retry later */ 10427 } 10428 10429 /* Fill sata_pkt */ 10430 sdinfo->satadrv_state = SATA_STATE_PROBING; 10431 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 10432 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 10433 /* Synchronous mode, no callback */ 10434 spkt->satapkt_comp = NULL; 10435 /* Timeout 30s */ 10436 spkt->satapkt_time = sata_default_pkt_time; 10437 10438 scmd = &spkt->satapkt_cmd; 10439 scmd->satacmd_bp = bp; 10440 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 10441 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 10442 10443 /* Build Identify Device cmd in the sata_pkt */ 10444 scmd->satacmd_addr_type = 0; /* N/A */ 10445 scmd->satacmd_sec_count_lsb = 0; /* N/A */ 10446 scmd->satacmd_lba_low_lsb = 0; /* N/A */ 10447 scmd->satacmd_lba_mid_lsb = 0; /* N/A */ 10448 scmd->satacmd_lba_high_lsb = 0; /* N/A */ 10449 scmd->satacmd_features_reg = 0; /* N/A */ 10450 scmd->satacmd_device_reg = 0; /* Always device 0 */ 10451 if (sdinfo->satadrv_type & SATA_DTYPE_ATAPI) { 10452 /* Identify Packet Device cmd */ 10453 scmd->satacmd_cmd_reg = SATAC_ID_PACKET_DEVICE; 10454 } else { 10455 /* Identify Device cmd - mandatory for all other devices */ 10456 scmd->satacmd_cmd_reg = SATAC_ID_DEVICE; 10457 } 10458 10459 /* Send pkt to SATA HBA driver */ 10460 rval = (*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt); 10461 10462 #ifdef SATA_INJECT_FAULTS 10463 sata_inject_pkt_fault(spkt, &rval, sata_fault_type); 10464 #endif 10465 10466 if (rval == SATA_TRAN_ACCEPTED && 10467 spkt->satapkt_reason == SATA_PKT_COMPLETED) { 10468 if (spx->txlt_buf_dma_handle != NULL) { 10469 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 10470 DDI_DMA_SYNC_FORKERNEL); 10471 ASSERT(rval == DDI_SUCCESS); 10472 } 10473 if ((((sata_id_t *)(bp->b_un.b_addr))->ai_config & 10474 SATA_INCOMPLETE_DATA) == SATA_INCOMPLETE_DATA) { 10475 SATA_LOG_D((sata_hba_inst, CE_WARN, 10476 "SATA disk device at port %d - " 10477 "partial Identify Data", 10478 sdinfo->satadrv_addr.cport)); 10479 rval = SATA_RETRY; /* may retry later */ 10480 goto fail; 10481 } 10482 /* Update sata_drive_info */ 10483 bcopy(bp->b_un.b_addr, &sdinfo->satadrv_id, 10484 sizeof (sata_id_t)); 10485 10486 sdinfo->satadrv_features_support = 0; 10487 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 10488 /* 10489 * Retrieve capacity (disks only) and addressing mode 10490 */ 10491 sdinfo->satadrv_capacity = sata_check_capacity(sdinfo); 10492 } else { 10493 /* 10494 * For ATAPI devices one would have to issue 10495 * Get Capacity cmd for media capacity. Not here. 10496 */ 10497 sdinfo->satadrv_capacity = 0; 10498 /* 10499 * Check what cdb length is supported 10500 */ 10501 if ((sdinfo->satadrv_id.ai_config & 10502 SATA_ATAPI_ID_PKT_SZ) == SATA_ATAPI_ID_PKT_16B) 10503 sdinfo->satadrv_atapi_cdb_len = 16; 10504 else 10505 sdinfo->satadrv_atapi_cdb_len = 12; 10506 } 10507 /* Setup supported features flags */ 10508 if (sdinfo->satadrv_id.ai_cap & SATA_DMA_SUPPORT) 10509 sdinfo->satadrv_features_support |= SATA_DEV_F_DMA; 10510 10511 /* Check for SATA GEN and NCQ support */ 10512 if (sdinfo->satadrv_id.ai_satacap != 0 && 10513 sdinfo->satadrv_id.ai_satacap != 0xffff) { 10514 /* SATA compliance */ 10515 if (sdinfo->satadrv_id.ai_satacap & SATA_NCQ) 10516 sdinfo->satadrv_features_support |= 10517 SATA_DEV_F_NCQ; 10518 if (sdinfo->satadrv_id.ai_satacap & 10519 (SATA_1_SPEED | SATA_2_SPEED)) { 10520 if (sdinfo->satadrv_id.ai_satacap & 10521 SATA_2_SPEED) 10522 sdinfo->satadrv_features_support |= 10523 SATA_DEV_F_SATA2; 10524 if (sdinfo->satadrv_id.ai_satacap & 10525 SATA_1_SPEED) 10526 sdinfo->satadrv_features_support |= 10527 SATA_DEV_F_SATA1; 10528 } else { 10529 sdinfo->satadrv_features_support |= 10530 SATA_DEV_F_SATA1; 10531 } 10532 } 10533 if ((sdinfo->satadrv_id.ai_cmdset83 & SATA_RW_DMA_QUEUED_CMD) && 10534 (sdinfo->satadrv_id.ai_features86 & SATA_RW_DMA_QUEUED_CMD)) 10535 sdinfo->satadrv_features_support |= SATA_DEV_F_TCQ; 10536 10537 sdinfo->satadrv_queue_depth = sdinfo->satadrv_id.ai_qdepth; 10538 if ((sdinfo->satadrv_features_support & SATA_DEV_F_NCQ) || 10539 (sdinfo->satadrv_features_support & SATA_DEV_F_TCQ)) { 10540 ++sdinfo->satadrv_queue_depth; 10541 /* Adjust according to controller capabilities */ 10542 sdinfo->satadrv_max_queue_depth = MIN( 10543 sdinfo->satadrv_queue_depth, 10544 SATA_QDEPTH(sata_hba_inst)); 10545 /* Adjust according to global queue depth limit */ 10546 sdinfo->satadrv_max_queue_depth = MIN( 10547 sdinfo->satadrv_max_queue_depth, 10548 sata_current_max_qdepth); 10549 if (sdinfo->satadrv_max_queue_depth == 0) 10550 sdinfo->satadrv_max_queue_depth = 1; 10551 } else 10552 sdinfo->satadrv_max_queue_depth = 1; 10553 10554 rval = SATA_SUCCESS; 10555 } else { 10556 /* 10557 * Woops, no Identify Data. 10558 */ 10559 if (rval == SATA_TRAN_BUSY || rval == SATA_TRAN_QUEUE_FULL) { 10560 rval = SATA_RETRY; /* may retry later */ 10561 } else if (rval == SATA_TRAN_ACCEPTED) { 10562 if (spkt->satapkt_reason == SATA_PKT_DEV_ERROR || 10563 spkt->satapkt_reason == SATA_PKT_ABORTED || 10564 spkt->satapkt_reason == SATA_PKT_TIMEOUT || 10565 spkt->satapkt_reason == SATA_PKT_RESET) 10566 rval = SATA_RETRY; /* may retry later */ 10567 else 10568 rval = SATA_FAILURE; 10569 } else { 10570 rval = SATA_FAILURE; 10571 } 10572 } 10573 fail: 10574 /* Free allocated resources */ 10575 sata_free_local_buffer(spx); 10576 sata_pkt_free(spx); 10577 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 10578 10579 return (rval); 10580 } 10581 10582 10583 /* 10584 * Some devices may not come-up with default DMA mode (UDMA or MWDMA). 10585 * UDMA mode is checked first, followed by MWDMA mode. 10586 * set correctly, so this function is setting it to the highest supported level. 10587 * Older SATA spec required that the device supports at least DMA 4 mode and 10588 * UDMA mode is selected. It is not mentioned in SerialATA 2.6, so this 10589 * restriction has been removed. 10590 * 10591 * Returns SATA_SUCCESS if proper DMA mode is selected or no DMA is supported. 10592 * Returns SATA_FAILURE if proper DMA mode could not be selected. 10593 * 10594 * NOTE: This function should be called only if DMA mode is supported. 10595 */ 10596 static int 10597 sata_set_dma_mode(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo) 10598 { 10599 sata_pkt_t *spkt; 10600 sata_cmd_t *scmd; 10601 sata_pkt_txlate_t *spx; 10602 int mode; 10603 uint8_t subcmd; 10604 int rval = SATA_SUCCESS; 10605 10606 ASSERT(sdinfo != NULL); 10607 ASSERT(sata_hba_inst != NULL); 10608 10609 if ((sdinfo->satadrv_id.ai_validinfo & SATA_VALIDINFO_88) != 0 && 10610 (sdinfo->satadrv_id.ai_ultradma & SATA_UDMA_SUP_MASK) != 0) { 10611 /* Find highest Ultra DMA mode supported */ 10612 for (mode = 6; mode >= 0; --mode) { 10613 if (sdinfo->satadrv_id.ai_ultradma & (1 << mode)) 10614 break; 10615 } 10616 #if 0 10617 /* Left for historical reasons */ 10618 /* 10619 * Some initial version of SATA spec indicated that at least 10620 * UDMA mode 4 has to be supported. It is not mentioned in 10621 * SerialATA 2.6, so this restriction is removed. 10622 */ 10623 if (mode < 4) 10624 return (SATA_FAILURE); 10625 #endif 10626 10627 /* 10628 * We're still going to set DMA mode whatever is selected 10629 * by default 10630 * 10631 * We saw an old maxtor sata drive will select Ultra DMA and 10632 * Multi-Word DMA simultaneouly by default, which is going 10633 * to cause DMA command timed out, so we need to select DMA 10634 * mode even when it's already done by default 10635 */ 10636 10637 subcmd = SATAC_TRANSFER_MODE_ULTRA_DMA; 10638 10639 } else if ((sdinfo->satadrv_id.ai_dworddma & SATA_MDMA_SUP_MASK) != 0) { 10640 /* Find highest MultiWord DMA mode supported */ 10641 for (mode = 2; mode >= 0; --mode) { 10642 if (sdinfo->satadrv_id.ai_dworddma & (1 << mode)) 10643 break; 10644 } 10645 10646 /* 10647 * We're still going to set DMA mode whatever is selected 10648 * by default 10649 * 10650 * We saw an old maxtor sata drive will select Ultra DMA and 10651 * Multi-Word DMA simultaneouly by default, which is going 10652 * to cause DMA command timed out, so we need to select DMA 10653 * mode even when it's already done by default 10654 */ 10655 10656 subcmd = SATAC_TRANSFER_MODE_MULTI_WORD_DMA; 10657 } else 10658 return (SATA_SUCCESS); 10659 10660 /* 10661 * Set DMA mode via SET FEATURES COMMAND. 10662 * Prepare packet for SET FEATURES COMMAND. 10663 */ 10664 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 10665 spx->txlt_sata_hba_inst = sata_hba_inst; 10666 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 10667 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 10668 if (spkt == NULL) { 10669 SATA_LOG_D((sata_hba_inst, CE_WARN, 10670 "sata_set_dma_mode: could not set DMA mode %", mode)); 10671 rval = SATA_FAILURE; 10672 goto done; 10673 } 10674 /* Fill sata_pkt */ 10675 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 10676 /* Timeout 30s */ 10677 spkt->satapkt_time = sata_default_pkt_time; 10678 /* Synchronous mode, no callback, interrupts */ 10679 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 10680 spkt->satapkt_comp = NULL; 10681 scmd = &spkt->satapkt_cmd; 10682 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 10683 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 10684 scmd->satacmd_addr_type = 0; 10685 scmd->satacmd_device_reg = 0; 10686 scmd->satacmd_status_reg = 0; 10687 scmd->satacmd_error_reg = 0; 10688 scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; 10689 scmd->satacmd_features_reg = SATAC_SF_TRANSFER_MODE; 10690 scmd->satacmd_sec_count_lsb = subcmd | mode; 10691 10692 /* Transfer command to HBA */ 10693 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), 10694 spkt) != SATA_TRAN_ACCEPTED || 10695 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 10696 /* Pkt execution failed */ 10697 rval = SATA_FAILURE; 10698 } 10699 done: 10700 10701 /* Free allocated resources */ 10702 if (spkt != NULL) 10703 sata_pkt_free(spx); 10704 (void) kmem_free(spx, sizeof (sata_pkt_txlate_t)); 10705 10706 return (rval); 10707 } 10708 10709 10710 /* 10711 * Set device caching mode. 10712 * One of the following operations should be specified: 10713 * SATAC_SF_ENABLE_READ_AHEAD 10714 * SATAC_SF_DISABLE_READ_AHEAD 10715 * SATAC_SF_ENABLE_WRITE_CACHE 10716 * SATAC_SF_DISABLE_WRITE_CACHE 10717 * 10718 * If operation fails, system log messgage is emitted. 10719 * Returns SATA_SUCCESS when the operation succeeds, SATA_RETRY if 10720 * command was sent but did not succeed, and SATA_FAILURE otherwise. 10721 */ 10722 10723 static int 10724 sata_set_cache_mode(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo, 10725 int cache_op) 10726 { 10727 sata_pkt_t *spkt; 10728 sata_cmd_t *scmd; 10729 sata_pkt_txlate_t *spx; 10730 int rval = SATA_SUCCESS; 10731 int hba_rval; 10732 char *infop; 10733 10734 ASSERT(sdinfo != NULL); 10735 ASSERT(sata_hba_inst != NULL); 10736 ASSERT(cache_op == SATAC_SF_ENABLE_READ_AHEAD || 10737 cache_op == SATAC_SF_DISABLE_READ_AHEAD || 10738 cache_op == SATAC_SF_ENABLE_WRITE_CACHE || 10739 cache_op == SATAC_SF_DISABLE_WRITE_CACHE); 10740 10741 10742 /* Prepare packet for SET FEATURES COMMAND */ 10743 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 10744 spx->txlt_sata_hba_inst = sata_hba_inst; 10745 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 10746 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 10747 if (spkt == NULL) { 10748 rval = SATA_FAILURE; 10749 goto failure; 10750 } 10751 /* Fill sata_pkt */ 10752 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 10753 /* Timeout 30s */ 10754 spkt->satapkt_time = sata_default_pkt_time; 10755 /* Synchronous mode, no callback, interrupts */ 10756 spkt->satapkt_op_mode = 10757 SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 10758 spkt->satapkt_comp = NULL; 10759 scmd = &spkt->satapkt_cmd; 10760 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 10761 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 10762 scmd->satacmd_addr_type = 0; 10763 scmd->satacmd_device_reg = 0; 10764 scmd->satacmd_status_reg = 0; 10765 scmd->satacmd_error_reg = 0; 10766 scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; 10767 scmd->satacmd_features_reg = cache_op; 10768 10769 /* Transfer command to HBA */ 10770 hba_rval = (*SATA_START_FUNC(sata_hba_inst))( 10771 SATA_DIP(sata_hba_inst), spkt); 10772 10773 #ifdef SATA_INJECT_FAULTS 10774 sata_inject_pkt_fault(spkt, &rval, sata_fault_type); 10775 #endif 10776 10777 if ((hba_rval != SATA_TRAN_ACCEPTED) || 10778 (spkt->satapkt_reason != SATA_PKT_COMPLETED)) { 10779 /* Pkt execution failed */ 10780 switch (cache_op) { 10781 case SATAC_SF_ENABLE_READ_AHEAD: 10782 infop = "enabling read ahead failed"; 10783 break; 10784 case SATAC_SF_DISABLE_READ_AHEAD: 10785 infop = "disabling read ahead failed"; 10786 break; 10787 case SATAC_SF_ENABLE_WRITE_CACHE: 10788 infop = "enabling write cache failed"; 10789 break; 10790 case SATAC_SF_DISABLE_WRITE_CACHE: 10791 infop = "disabling write cache failed"; 10792 break; 10793 } 10794 SATA_LOG_D((sata_hba_inst, CE_WARN, "%s", infop)); 10795 rval = SATA_RETRY; 10796 } 10797 failure: 10798 /* Free allocated resources */ 10799 if (spkt != NULL) 10800 sata_pkt_free(spx); 10801 (void) kmem_free(spx, sizeof (sata_pkt_txlate_t)); 10802 return (rval); 10803 } 10804 10805 /* 10806 * Set Removable Media Status Notification (enable/disable) 10807 * state == 0 , disable 10808 * state != 0 , enable 10809 * 10810 * If operation fails, system log messgage is emitted. 10811 * Returns SATA_SUCCESS when the operation succeeds, SATA_FAILURE otherwise. 10812 */ 10813 10814 static int 10815 sata_set_rmsn(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo, 10816 int state) 10817 { 10818 sata_pkt_t *spkt; 10819 sata_cmd_t *scmd; 10820 sata_pkt_txlate_t *spx; 10821 int rval = SATA_SUCCESS; 10822 char *infop; 10823 10824 ASSERT(sdinfo != NULL); 10825 ASSERT(sata_hba_inst != NULL); 10826 10827 /* Prepare packet for SET FEATURES COMMAND */ 10828 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 10829 spx->txlt_sata_hba_inst = sata_hba_inst; 10830 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 10831 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 10832 if (spkt == NULL) { 10833 rval = SATA_FAILURE; 10834 goto failure; 10835 } 10836 /* Fill sata_pkt */ 10837 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 10838 /* Timeout 30s */ 10839 spkt->satapkt_time = sata_default_pkt_time; 10840 /* Synchronous mode, no callback, interrupts */ 10841 spkt->satapkt_op_mode = 10842 SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 10843 spkt->satapkt_comp = NULL; 10844 scmd = &spkt->satapkt_cmd; 10845 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 10846 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 10847 scmd->satacmd_addr_type = 0; 10848 scmd->satacmd_device_reg = 0; 10849 scmd->satacmd_status_reg = 0; 10850 scmd->satacmd_error_reg = 0; 10851 scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; 10852 if (state == 0) 10853 scmd->satacmd_features_reg = SATAC_SF_DISABLE_RMSN; 10854 else 10855 scmd->satacmd_features_reg = SATAC_SF_ENABLE_RMSN; 10856 10857 /* Transfer command to HBA */ 10858 if (((*SATA_START_FUNC(sata_hba_inst))( 10859 SATA_DIP(sata_hba_inst), spkt) != SATA_TRAN_ACCEPTED) || 10860 (spkt->satapkt_reason != SATA_PKT_COMPLETED)) { 10861 /* Pkt execution failed */ 10862 if (state == 0) 10863 infop = "disabling Removable Media Status " 10864 "Notification failed"; 10865 else 10866 infop = "enabling Removable Media Status " 10867 "Notification failed"; 10868 10869 SATA_LOG_D((sata_hba_inst, CE_WARN, "%s", infop)); 10870 rval = SATA_FAILURE; 10871 } 10872 failure: 10873 /* Free allocated resources */ 10874 if (spkt != NULL) 10875 sata_pkt_free(spx); 10876 (void) kmem_free(spx, sizeof (sata_pkt_txlate_t)); 10877 return (rval); 10878 } 10879 10880 10881 /* 10882 * Update port SCR block 10883 */ 10884 static void 10885 sata_update_port_scr(sata_port_scr_t *port_scr, sata_device_t *device) 10886 { 10887 port_scr->sstatus = device->satadev_scr.sstatus; 10888 port_scr->serror = device->satadev_scr.serror; 10889 port_scr->scontrol = device->satadev_scr.scontrol; 10890 port_scr->sactive = device->satadev_scr.sactive; 10891 port_scr->snotific = device->satadev_scr.snotific; 10892 } 10893 10894 /* 10895 * Update state and copy port ss* values from passed sata_device structure. 10896 * sata_address is validated - if not valid, nothing is changed in sata_scsi 10897 * configuration struct. 10898 * 10899 * SATA_PSTATE_SHUTDOWN in port state is not reset to 0 by this function 10900 * regardless of the state in device argument. 10901 * 10902 * Port mutex should be held while calling this function. 10903 */ 10904 static void 10905 sata_update_port_info(sata_hba_inst_t *sata_hba_inst, 10906 sata_device_t *sata_device) 10907 { 10908 ASSERT(mutex_owned(&SATA_CPORT_MUTEX(sata_hba_inst, 10909 sata_device->satadev_addr.cport))); 10910 10911 if (sata_device->satadev_addr.qual == SATA_ADDR_CPORT || 10912 sata_device->satadev_addr.qual == SATA_ADDR_DCPORT) { 10913 10914 sata_cport_info_t *cportinfo; 10915 10916 if (SATA_NUM_CPORTS(sata_hba_inst) <= 10917 sata_device->satadev_addr.cport) 10918 return; 10919 10920 cportinfo = SATA_CPORT_INFO(sata_hba_inst, 10921 sata_device->satadev_addr.cport); 10922 sata_update_port_scr(&cportinfo->cport_scr, sata_device); 10923 10924 /* Preserve SATA_PSTATE_SHUTDOWN flag */ 10925 cportinfo->cport_state &= ~(SATA_PSTATE_PWRON | 10926 SATA_PSTATE_PWROFF | SATA_PSTATE_FAILED); 10927 cportinfo->cport_state |= 10928 sata_device->satadev_state & SATA_PSTATE_VALID; 10929 } else { 10930 sata_pmport_info_t *pmportinfo; 10931 10932 if ((sata_device->satadev_addr.qual != SATA_ADDR_PMPORT) || 10933 (sata_device->satadev_addr.qual != SATA_ADDR_DPMPORT) || 10934 SATA_NUM_PMPORTS(sata_hba_inst, 10935 sata_device->satadev_addr.cport) < 10936 sata_device->satadev_addr.pmport) 10937 return; 10938 10939 pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, 10940 sata_device->satadev_addr.cport, 10941 sata_device->satadev_addr.pmport); 10942 sata_update_port_scr(&pmportinfo->pmport_scr, sata_device); 10943 10944 /* Preserve SATA_PSTATE_SHUTDOWN flag */ 10945 pmportinfo->pmport_state &= 10946 ~(SATA_PSTATE_PWRON | SATA_PSTATE_PWROFF | 10947 SATA_PSTATE_FAILED); 10948 pmportinfo->pmport_state |= 10949 sata_device->satadev_state & SATA_PSTATE_VALID; 10950 } 10951 } 10952 10953 10954 10955 /* 10956 * Extract SATA port specification from an IOCTL argument. 10957 * 10958 * This function return the port the user land send us as is, unless it 10959 * cannot retrieve port spec, then -1 is returned. 10960 * 10961 * Note: Only cport - no port multiplier port. 10962 */ 10963 static int32_t 10964 sata_get_port_num(sata_hba_inst_t *sata_hba_inst, struct devctl_iocdata *dcp) 10965 { 10966 int32_t port; 10967 10968 /* Extract port number from nvpair in dca structure */ 10969 if (nvlist_lookup_int32(ndi_dc_get_ap_data(dcp), "port", &port) != 0) { 10970 SATA_LOG_D((sata_hba_inst, CE_NOTE, 10971 "sata_get_port_num: invalid port spec 0x%x in ioctl", 10972 port)); 10973 port = -1; 10974 } 10975 10976 return (port); 10977 } 10978 10979 /* 10980 * Get dev_info_t pointer to the device node pointed to by port argument. 10981 * NOTE: target argument is a value used in ioctls to identify 10982 * the AP - it is not a sata_address. 10983 * It is a combination of cport, pmport and address qualifier, encodded same 10984 * way as a scsi target number. 10985 * At this moment it carries only cport number. 10986 * 10987 * No PMult hotplug support. 10988 * 10989 * Returns dev_info_t pointer if target device was found, NULL otherwise. 10990 */ 10991 10992 static dev_info_t * 10993 sata_get_target_dip(dev_info_t *dip, int32_t port) 10994 { 10995 dev_info_t *cdip = NULL; 10996 int target, tgt; 10997 int ncport; 10998 int circ; 10999 11000 ncport = port & SATA_CFGA_CPORT_MASK; 11001 target = SATA_TO_SCSI_TARGET(ncport, 0, SATA_ADDR_DCPORT); 11002 11003 ndi_devi_enter(dip, &circ); 11004 for (cdip = ddi_get_child(dip); cdip != NULL; ) { 11005 dev_info_t *next = ddi_get_next_sibling(cdip); 11006 11007 tgt = ddi_prop_get_int(DDI_DEV_T_ANY, cdip, 11008 DDI_PROP_DONTPASS, "target", -1); 11009 if (tgt == -1) { 11010 /* 11011 * This is actually an error condition, but not 11012 * a fatal one. Just continue the search. 11013 */ 11014 cdip = next; 11015 continue; 11016 } 11017 11018 if (tgt == target) 11019 break; 11020 11021 cdip = next; 11022 } 11023 ndi_devi_exit(dip, circ); 11024 11025 return (cdip); 11026 } 11027 11028 /* 11029 * Get dev_info_t pointer to the device node pointed to by port argument. 11030 * NOTE: target argument is a value used in ioctls to identify 11031 * the AP - it is not a sata_address. 11032 * It is a combination of cport, pmport and address qualifier, encoded same 11033 * way as a scsi target number. 11034 * At this moment it carries only cport number. 11035 * 11036 * No PMult hotplug support. 11037 * 11038 * Returns dev_info_t pointer if target device was found, NULL otherwise. 11039 */ 11040 11041 static dev_info_t * 11042 sata_get_scsi_target_dip(dev_info_t *dip, sata_address_t *saddr) 11043 { 11044 dev_info_t *cdip = NULL; 11045 int target, tgt; 11046 int circ; 11047 11048 target = SATA_TO_SCSI_TARGET(saddr->cport, saddr->pmport, saddr->qual); 11049 11050 ndi_devi_enter(dip, &circ); 11051 for (cdip = ddi_get_child(dip); cdip != NULL; ) { 11052 dev_info_t *next = ddi_get_next_sibling(cdip); 11053 11054 tgt = ddi_prop_get_int(DDI_DEV_T_ANY, cdip, 11055 DDI_PROP_DONTPASS, "target", -1); 11056 if (tgt == -1) { 11057 /* 11058 * This is actually an error condition, but not 11059 * a fatal one. Just continue the search. 11060 */ 11061 cdip = next; 11062 continue; 11063 } 11064 11065 if (tgt == target) 11066 break; 11067 11068 cdip = next; 11069 } 11070 ndi_devi_exit(dip, circ); 11071 11072 return (cdip); 11073 } 11074 11075 /* 11076 * Process sata port disconnect request. 11077 * Normally, cfgadm sata plugin will try to offline (unconfigure) the device 11078 * before this request. Nevertheless, if a device is still configured, 11079 * we need to attempt to offline and unconfigure device. 11080 * Regardless of the unconfigure operation results the port is marked as 11081 * deactivated and no access to the attached device is possible. 11082 * If the target node remains because unconfigure operation failed, its state 11083 * will be set to DEVICE_REMOVED, preventing it to be used again when a device 11084 * is inserted/re-inserted. The event daemon will repeatedly try to unconfigure 11085 * the device and remove old target node. 11086 * 11087 * This function invokes sata_hba_inst->satahba_tran-> 11088 * sata_tran_hotplug_ops->sata_tran_port_deactivate(). 11089 * If successful, the device structure (if any) attached to the specified port 11090 * is removed and state of the port marked appropriately. 11091 * Failure of the port_deactivate may keep port in the physically active state, 11092 * or may fail the port. 11093 * 11094 * NOTE: Port multiplier code is not completed nor tested. 11095 */ 11096 11097 static int 11098 sata_ioctl_disconnect(sata_hba_inst_t *sata_hba_inst, 11099 sata_device_t *sata_device) 11100 { 11101 sata_drive_info_t *sdinfo = NULL; 11102 sata_cport_info_t *cportinfo = NULL; 11103 sata_pmport_info_t *pmportinfo = NULL; 11104 sata_pmult_info_t *pmultinfo = NULL; 11105 dev_info_t *tdip; 11106 int cport, pmport, qual; 11107 int rval = SATA_SUCCESS; 11108 int rv = 0; 11109 11110 cport = sata_device->satadev_addr.cport; 11111 pmport = sata_device->satadev_addr.pmport; 11112 qual = sata_device->satadev_addr.qual; 11113 11114 ASSERT(qual == SATA_ADDR_CPORT || qual == SATA_ADDR_PMPORT); 11115 11116 /* 11117 * DEVCTL_AP_DISCONNECT invokes sata_hba_inst->satahba_tran-> 11118 * sata_tran_hotplug_ops->sata_tran_port_deactivate(). 11119 * Do the sanity check. 11120 */ 11121 if (SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst) == NULL) { 11122 /* No physical port deactivation supported. */ 11123 return (EINVAL); 11124 } 11125 11126 /* Check the current state of the port */ 11127 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 11128 (SATA_DIP(sata_hba_inst), sata_device); 11129 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11130 sata_update_port_info(sata_hba_inst, sata_device); 11131 if (rval != SATA_SUCCESS || 11132 (sata_device->satadev_state & SATA_PSTATE_FAILED) != 0) { 11133 /* Device port status is unknown or it is in failed state */ 11134 if (qual == SATA_ADDR_PMPORT) { 11135 SATA_PMPORT_STATE(sata_hba_inst, cport, pmport) = 11136 SATA_PSTATE_FAILED; 11137 SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, 11138 "sata_hba_ioctl: connect: failed to deactivate " 11139 "SATA port %d", cport); 11140 } else { 11141 SATA_CPORT_STATE(sata_hba_inst, cport) = 11142 SATA_PSTATE_FAILED; 11143 SATADBG2(SATA_DBG_IOCTL_IF, sata_hba_inst, 11144 "sata_hba_ioctl: connect: failed to deactivate " 11145 "SATA port %d:%d", cport, pmport); 11146 } 11147 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 11148 cport)->cport_mutex); 11149 return (EIO); 11150 } 11151 /* 11152 * Set port's dev_state to not ready - this will disable 11153 * an access to a potentially attached device. 11154 */ 11155 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 11156 if (qual == SATA_ADDR_PMPORT) { 11157 pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); 11158 if (pmportinfo->pmport_dev_type != SATA_DTYPE_NONE) { 11159 sdinfo = pmportinfo->pmport_sata_drive; 11160 ASSERT(sdinfo != NULL); 11161 } 11162 pmportinfo->pmport_state &= ~SATA_STATE_READY; 11163 } else { 11164 /* Assuming cport */ 11165 11166 if (cportinfo->cport_dev_type != SATA_DTYPE_NONE) { 11167 if (cportinfo->cport_dev_type == SATA_DTYPE_PMULT) { 11168 pmultinfo = 11169 cportinfo->cport_devp.cport_sata_pmult; 11170 ASSERT(pmultinfo != NULL); 11171 } else { 11172 sdinfo = cportinfo->cport_devp.cport_sata_drive; 11173 } 11174 } 11175 cportinfo->cport_state &= ~SATA_STATE_READY; 11176 } 11177 if (sdinfo != NULL) { 11178 if ((sdinfo->satadrv_type & (SATA_VALID_DEV_TYPE)) != 0) { 11179 /* 11180 * If a target node exists, try to offline 11181 * a device and remove target node. 11182 */ 11183 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 11184 cport)->cport_mutex); 11185 /* We are addressing attached device, not a port */ 11186 sata_device->satadev_addr.qual = 11187 sdinfo->satadrv_addr.qual; 11188 tdip = sata_get_scsi_target_dip(SATA_DIP(sata_hba_inst), 11189 &sata_device->satadev_addr); 11190 if (tdip != NULL && ndi_devi_offline(tdip, 11191 NDI_DEVI_REMOVE) != NDI_SUCCESS) { 11192 /* 11193 * Problem 11194 * The target node remained attached. 11195 * This happens when the device file was open 11196 * or a node was waiting for resources. 11197 * Cannot do anything about it. 11198 */ 11199 if (qual == SATA_ADDR_CPORT) { 11200 SATA_LOG_D((sata_hba_inst, CE_WARN, 11201 "sata_hba_ioctl: disconnect: could " 11202 "not unconfigure device before " 11203 "disconnecting the SATA port %d", 11204 cport)); 11205 } else { 11206 SATA_LOG_D((sata_hba_inst, CE_WARN, 11207 "sata_hba_ioctl: disconnect: could " 11208 "not unconfigure device before " 11209 "disconnecting the SATA port %d:%d", 11210 cport, pmport)); 11211 } 11212 /* 11213 * Set DEVICE REMOVED state in the target 11214 * node. It will prevent access to the device 11215 * even when a new device is attached, until 11216 * the old target node is released, removed and 11217 * recreated for a new device. 11218 */ 11219 sata_set_device_removed(tdip); 11220 11221 /* 11222 * Instruct event daemon to try the target 11223 * node cleanup later. 11224 */ 11225 sata_set_target_node_cleanup( 11226 sata_hba_inst, &sata_device->satadev_addr); 11227 } 11228 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 11229 cport)->cport_mutex); 11230 } 11231 11232 /* Remove and release sata_drive info structure. */ 11233 if (pmportinfo != NULL) { 11234 SATA_PMPORT_DRV_INFO(sata_hba_inst, cport, pmport) = 11235 NULL; 11236 pmportinfo->pmport_dev_type = SATA_DTYPE_NONE; 11237 } else { 11238 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 11239 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 11240 } 11241 (void) kmem_free((void *)sdinfo, sizeof (sata_drive_info_t)); 11242 } 11243 #if 0 11244 else if (pmultinfo != NULL) { 11245 /* 11246 * Port Multiplier itself needs special handling. 11247 * All device ports need to be processed here! 11248 */ 11249 } 11250 #endif 11251 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11252 /* Just ask HBA driver to deactivate port */ 11253 /* sata_device->satadev_addr.qual = SATA_ADDR_DCPORT; */ 11254 11255 rval = (*SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst)) 11256 (SATA_DIP(sata_hba_inst), sata_device); 11257 11258 /* 11259 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 11260 * without the hint (to force listener to investivate the state). 11261 */ 11262 sata_gen_sysevent(sata_hba_inst, &sata_device->satadev_addr, 11263 SE_NO_HINT); 11264 11265 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11266 sata_update_port_info(sata_hba_inst, sata_device); 11267 11268 if (rval != SATA_SUCCESS) { 11269 /* 11270 * Port deactivation failure - do not 11271 * change port state unless the state 11272 * returned by HBA indicates a port failure. 11273 * NOTE: device structures were released, so devices now are 11274 * invisible! Port reset is needed to re-enumerate devices. 11275 */ 11276 if (sata_device->satadev_state & SATA_PSTATE_FAILED) { 11277 if (pmportinfo != NULL) 11278 pmportinfo->pmport_state = SATA_PSTATE_FAILED; 11279 else 11280 cportinfo->cport_state = SATA_PSTATE_FAILED; 11281 rv = EIO; 11282 } 11283 } else { 11284 /* 11285 * Deactivation succeded. From now on the sata framework 11286 * will not care what is happening to the device, until 11287 * the port is activated again. 11288 */ 11289 cportinfo->cport_state |= SATA_PSTATE_SHUTDOWN; 11290 } 11291 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11292 return (rv); 11293 } 11294 11295 11296 11297 /* 11298 * Process sata port connect request 11299 * The sata cfgadm pluging will invoke this operation only if port was found 11300 * in the disconnect state (failed state is also treated as the disconnected 11301 * state). 11302 * DEVCTL_AP_CONNECT would invoke sata_hba_inst->satahba_tran-> 11303 * sata_tran_hotplug_ops->sata_tran_port_activate(). 11304 * If successful and a device is found attached to the port, 11305 * the initialization sequence is executed to attach a device structure to 11306 * a port structure. The state of the port and a device would be set 11307 * appropriately. 11308 * The device is not set in configured state (system-wise) by this operation. 11309 * 11310 * Note, that activating the port may generate link events, 11311 * so it is important that following processing and the 11312 * event processing does not interfere with each other! 11313 * 11314 * This operation may remove port failed state and will 11315 * try to make port active and in good standing. 11316 * 11317 * NOTE: Port multiplier code is not completed nor tested. 11318 */ 11319 11320 static int 11321 sata_ioctl_connect(sata_hba_inst_t *sata_hba_inst, 11322 sata_device_t *sata_device) 11323 { 11324 int cport, pmport, qual; 11325 int rv = 0; 11326 11327 cport = sata_device->satadev_addr.cport; 11328 pmport = sata_device->satadev_addr.pmport; 11329 qual = sata_device->satadev_addr.qual; 11330 11331 ASSERT(qual == SATA_ADDR_CPORT || qual == SATA_ADDR_PMPORT); 11332 11333 /* 11334 * DEVCTL_AP_CONNECT would invoke sata_hba_inst-> 11335 * satahba_tran->sata_tran_hotplug_ops->sata_tran_port_activate(). 11336 * Perform sanity check now. 11337 */ 11338 if (SATA_PORT_ACTIVATE_FUNC(sata_hba_inst) == NULL) { 11339 /* No physical port activation supported. */ 11340 return (EINVAL); 11341 } 11342 11343 /* Just ask HBA driver to activate port */ 11344 if ((*SATA_PORT_ACTIVATE_FUNC(sata_hba_inst)) 11345 (SATA_DIP(sata_hba_inst), sata_device) != SATA_SUCCESS) { 11346 /* 11347 * Port activation failure. 11348 */ 11349 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 11350 cport)->cport_mutex); 11351 sata_update_port_info(sata_hba_inst, sata_device); 11352 if (sata_device->satadev_state & SATA_PSTATE_FAILED) { 11353 if (qual == SATA_ADDR_DCPORT) { 11354 SATA_CPORT_STATE(sata_hba_inst, cport) = 11355 SATA_PSTATE_FAILED; 11356 SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, 11357 "sata_hba_ioctl: connect: failed to " 11358 "activate SATA port %d", cport); 11359 } else { /* port multiplier device port */ 11360 SATA_PMPORT_STATE(sata_hba_inst, cport, 11361 pmport) = SATA_PSTATE_FAILED; 11362 SATADBG2(SATA_DBG_IOCTL_IF, sata_hba_inst, 11363 "sata_hba_ioctl: connect: failed to " 11364 "activate SATA port %d:%d", cport, pmport); 11365 11366 } 11367 } 11368 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 11369 cport)->cport_mutex); 11370 SATADBG2(SATA_DBG_IOCTL_IF, sata_hba_inst, 11371 "sata_hba_ioctl: connect: failed to activate SATA " 11372 "port %d:%d", cport, pmport); 11373 return (EIO); 11374 } 11375 11376 /* Virgin port state - will be updated by the port re-probe. */ 11377 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11378 if (qual == SATA_ADDR_CPORT) 11379 SATA_CPORT_STATE(sata_hba_inst, cport) = 0; 11380 else /* port multiplier device port */ 11381 SATA_PMPORT_STATE(sata_hba_inst, cport, pmport) = 0; 11382 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11383 11384 /* 11385 * Probe the port to find its state and attached device. 11386 */ 11387 if (sata_reprobe_port(sata_hba_inst, sata_device, 11388 SATA_DEV_IDENTIFY_RETRY) == SATA_FAILURE) 11389 rv = EIO; 11390 11391 /* 11392 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 11393 * without the hint 11394 */ 11395 sata_gen_sysevent(sata_hba_inst, &sata_device->satadev_addr, 11396 SE_NO_HINT); 11397 11398 /* 11399 * If there is a device attached to the port, emit 11400 * a message. 11401 */ 11402 if (sata_device->satadev_type != SATA_DTYPE_NONE) { 11403 11404 if (qual == SATA_ADDR_CPORT) { 11405 sata_log(sata_hba_inst, CE_WARN, 11406 "SATA device detected at port %d", cport); 11407 if (sata_device->satadev_type == SATA_DTYPE_UNKNOWN) { 11408 /* 11409 * A device was not successfully identified 11410 */ 11411 sata_log(sata_hba_inst, CE_WARN, 11412 "Could not identify SATA " 11413 "device at port %d", cport); 11414 } 11415 } else { /* port multiplier device port */ 11416 sata_log(sata_hba_inst, CE_WARN, 11417 "SATA device detected at port %d:%d", 11418 cport, pmport); 11419 if (sata_device->satadev_type == SATA_DTYPE_UNKNOWN) { 11420 /* 11421 * A device was not successfully identified 11422 */ 11423 sata_log(sata_hba_inst, CE_WARN, 11424 "Could not identify SATA " 11425 "device at port %d:%d", cport, pmport); 11426 } 11427 } 11428 } 11429 11430 return (rv); 11431 } 11432 11433 11434 /* 11435 * Process sata device unconfigure request. 11436 * The unconfigure operation uses generic nexus operation to 11437 * offline a device. It leaves a target device node attached. 11438 * and obviously sata_drive_info attached as well, because 11439 * from the hardware point of view nothing has changed. 11440 */ 11441 static int 11442 sata_ioctl_unconfigure(sata_hba_inst_t *sata_hba_inst, 11443 sata_device_t *sata_device) 11444 { 11445 int rv = 0; 11446 dev_info_t *tdip; 11447 11448 /* We are addressing attached device, not a port */ 11449 if (sata_device->satadev_addr.qual == SATA_ADDR_CPORT) 11450 sata_device->satadev_addr.qual = SATA_ADDR_DCPORT; 11451 else if (sata_device->satadev_addr.qual == SATA_ADDR_PMPORT) 11452 sata_device->satadev_addr.qual = SATA_ADDR_DPMPORT; 11453 11454 if ((tdip = sata_get_scsi_target_dip(SATA_DIP(sata_hba_inst), 11455 &sata_device->satadev_addr)) != NULL) { 11456 11457 if (ndi_devi_offline(tdip, NDI_UNCONFIG) != NDI_SUCCESS) { 11458 SATA_LOG_D((sata_hba_inst, CE_WARN, 11459 "sata_hba_ioctl: unconfigure: " 11460 "failed to unconfigure device at SATA port %d:%d", 11461 sata_device->satadev_addr.cport, 11462 sata_device->satadev_addr.pmport)); 11463 rv = EIO; 11464 } 11465 /* 11466 * The target node devi_state should be marked with 11467 * DEVI_DEVICE_OFFLINE by ndi_devi_offline(). 11468 * This would be the indication for cfgadm that 11469 * the AP node occupant state is 'unconfigured'. 11470 */ 11471 11472 } else { 11473 /* 11474 * This would indicate a failure on the part of cfgadm 11475 * to detect correct state of the node prior to this 11476 * call - one cannot unconfigure non-existing device. 11477 */ 11478 SATA_LOG_D((sata_hba_inst, CE_WARN, 11479 "sata_hba_ioctl: unconfigure: " 11480 "attempt to unconfigure non-existing device " 11481 "at SATA port %d:%d", 11482 sata_device->satadev_addr.cport, 11483 sata_device->satadev_addr.pmport)); 11484 rv = ENXIO; 11485 } 11486 return (rv); 11487 } 11488 11489 /* 11490 * Process sata device configure request 11491 * If port is in a failed state, operation is aborted - one has to use 11492 * an explicit connect or port activate request to try to get a port into 11493 * non-failed mode. Port reset wil also work in such situation. 11494 * If the port is in disconnected (shutdown) state, the connect operation is 11495 * attempted prior to any other action. 11496 * When port is in the active state, there is a device attached and the target 11497 * node exists, a device was most likely offlined. 11498 * If target node does not exist, a new target node is created. In both cases 11499 * an attempt is made to online (configure) the device. 11500 * 11501 * NOTE: Port multiplier code is not completed nor tested. 11502 */ 11503 static int 11504 sata_ioctl_configure(sata_hba_inst_t *sata_hba_inst, 11505 sata_device_t *sata_device) 11506 { 11507 int cport, pmport, qual; 11508 int rval; 11509 boolean_t target = TRUE; 11510 sata_cport_info_t *cportinfo; 11511 sata_pmport_info_t *pmportinfo = NULL; 11512 dev_info_t *tdip; 11513 sata_drive_info_t *sdinfo; 11514 11515 cport = sata_device->satadev_addr.cport; 11516 pmport = sata_device->satadev_addr.pmport; 11517 qual = sata_device->satadev_addr.qual; 11518 11519 /* Get current port state */ 11520 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 11521 (SATA_DIP(sata_hba_inst), sata_device); 11522 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11523 sata_update_port_info(sata_hba_inst, sata_device); 11524 11525 if (rval != SATA_SUCCESS || 11526 (sata_device->satadev_state & SATA_PSTATE_FAILED) != 0) { 11527 /* 11528 * Obviously, device on a failed port is not visible 11529 */ 11530 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11531 return (ENXIO); 11532 } 11533 11534 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 11535 if (qual == SATA_ADDR_PMPORT) 11536 pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); 11537 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11538 11539 if ((sata_device->satadev_state & SATA_PSTATE_SHUTDOWN) != 0) { 11540 /* need to activate port */ 11541 target = FALSE; 11542 11543 /* Sanity check */ 11544 if (SATA_PORT_ACTIVATE_FUNC(sata_hba_inst) == NULL) 11545 return (ENXIO); 11546 11547 /* Just let HBA driver to activate port */ 11548 if ((*SATA_PORT_ACTIVATE_FUNC(sata_hba_inst)) 11549 (SATA_DIP(sata_hba_inst), sata_device) != SATA_SUCCESS) { 11550 /* 11551 * Port activation failure - do not change port state 11552 * unless the state returned by HBA indicates a port 11553 * failure. 11554 */ 11555 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 11556 cport)->cport_mutex); 11557 sata_update_port_info(sata_hba_inst, sata_device); 11558 if (sata_device->satadev_state & SATA_PSTATE_FAILED) { 11559 if (qual == SATA_ADDR_PMPORT) 11560 pmportinfo->pmport_state = 11561 SATA_PSTATE_FAILED; 11562 else 11563 cportinfo->cport_state = 11564 SATA_PSTATE_FAILED; 11565 } 11566 mutex_exit(&SATA_CPORT_INFO( 11567 sata_hba_inst, cport)->cport_mutex); 11568 SATA_LOG_D((sata_hba_inst, CE_WARN, 11569 "sata_hba_ioctl: configure: " 11570 "failed to activate SATA port %d:%d", 11571 cport, pmport)); 11572 return (EIO); 11573 } 11574 /* 11575 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 11576 * without the hint. 11577 */ 11578 sata_gen_sysevent(sata_hba_inst, 11579 &sata_device->satadev_addr, SE_NO_HINT); 11580 11581 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 11582 cport_mutex); 11583 /* Virgin port state */ 11584 if (qual == SATA_ADDR_PMPORT) 11585 pmportinfo->pmport_state = 0; 11586 else 11587 cportinfo->cport_state = 0; 11588 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11589 } 11590 /* 11591 * Always reprobe port, to get current device info. 11592 */ 11593 if (sata_reprobe_port(sata_hba_inst, sata_device, 11594 SATA_DEV_IDENTIFY_RETRY) != SATA_SUCCESS) 11595 return (EIO); 11596 11597 if (sata_device->satadev_type != SATA_DTYPE_NONE && target == FALSE) { 11598 if (qual == SATA_ADDR_PMPORT) { 11599 /* 11600 * That's the transition from "inactive" port 11601 * to active one with device attached. 11602 */ 11603 sata_log(sata_hba_inst, CE_WARN, 11604 "SATA device detected at port %d:%d", 11605 cport, pmport); 11606 } else { 11607 /* 11608 * When PM is attached to the cport and cport is 11609 * activated, every PM device port needs to be reprobed. 11610 * We need to emit message for all devices detected 11611 * at port multiplier's device ports. 11612 * Add such code here. 11613 * For now, just inform about device attached to 11614 * cport. 11615 */ 11616 sata_log(sata_hba_inst, CE_WARN, 11617 "SATA device detected at port %d", cport); 11618 } 11619 } 11620 11621 /* 11622 * This is where real configuration operation starts. 11623 * 11624 * When PM is attached to the cport and cport is activated, 11625 * devices attached PM device ports may have to be configured 11626 * explicitly. This may change when port multiplier is supported. 11627 * For now, configure only disks and other valid target devices. 11628 */ 11629 if (!(sata_device->satadev_type & SATA_VALID_DEV_TYPE)) { 11630 if (qual == SATA_ADDR_CPORT) { 11631 if (sata_device->satadev_type == SATA_DTYPE_UNKNOWN) { 11632 /* 11633 * A device was not successfully identified 11634 */ 11635 sata_log(sata_hba_inst, CE_WARN, 11636 "Could not identify SATA " 11637 "device at port %d", cport); 11638 } 11639 } else { /* port multiplier device port */ 11640 if (sata_device->satadev_type == SATA_DTYPE_UNKNOWN) { 11641 /* 11642 * A device was not successfully identified 11643 */ 11644 sata_log(sata_hba_inst, CE_WARN, 11645 "Could not identify SATA " 11646 "device at port %d:%d", cport, pmport); 11647 } 11648 } 11649 return (ENXIO); /* No device to configure */ 11650 } 11651 11652 /* 11653 * Here we may have a device in reset condition, 11654 * but because we are just configuring it, there is 11655 * no need to process the reset other than just 11656 * to clear device reset condition in the HBA driver. 11657 * Setting the flag SATA_EVNT_CLEAR_DEVICE_RESET will 11658 * cause a first command sent the HBA driver with the request 11659 * to clear device reset condition. 11660 */ 11661 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11662 if (qual == SATA_ADDR_PMPORT) 11663 sata_device->satadev_addr.qual = SATA_ADDR_DPMPORT; 11664 else 11665 sata_device->satadev_addr.qual = SATA_ADDR_DCPORT; 11666 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 11667 if (sdinfo == NULL) { 11668 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11669 return (ENXIO); 11670 } 11671 if (sdinfo->satadrv_event_flags & 11672 (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) { 11673 sdinfo->satadrv_event_flags = 0; 11674 } 11675 sdinfo->satadrv_event_flags |= SATA_EVNT_CLEAR_DEVICE_RESET; 11676 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11677 11678 if ((tdip = sata_get_scsi_target_dip(SATA_DIP(sata_hba_inst), 11679 &sata_device->satadev_addr)) != NULL) { 11680 /* 11681 * Target node exists. Verify, that it belongs 11682 * to existing, attached device and not to 11683 * a removed device. 11684 */ 11685 if (sata_check_device_removed(tdip) == B_TRUE) { 11686 if (qual == SATA_ADDR_DPMPORT) 11687 sata_log(sata_hba_inst, CE_WARN, 11688 "SATA device at port %d cannot be " 11689 "configured. " 11690 "Application(s) accessing " 11691 "previously attached device " 11692 "have to release it before newly " 11693 "inserted device can be made accessible.", 11694 cport); 11695 else 11696 sata_log(sata_hba_inst, CE_WARN, 11697 "SATA device at port %d:%d cannot be" 11698 "configured. " 11699 "Application(s) accessing " 11700 "previously attached device " 11701 "have to release it before newly " 11702 "inserted device can be made accessible.", 11703 cport, pmport); 11704 return (EIO); 11705 } 11706 /* 11707 * Device was not removed and re-inserted. 11708 * Try to online it. 11709 */ 11710 if (ndi_devi_online(tdip, 0) != NDI_SUCCESS) { 11711 SATA_LOG_D((sata_hba_inst, CE_WARN, 11712 "sata_hba_ioctl: configure: " 11713 "onlining device at SATA port " 11714 "%d:%d failed", cport, pmport)); 11715 return (EIO); 11716 } 11717 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 11718 cport)->cport_mutex); 11719 11720 if (qual == SATA_ADDR_DPMPORT) 11721 pmportinfo->pmport_tgtnode_clean = B_TRUE; 11722 else 11723 cportinfo-> cport_tgtnode_clean = B_TRUE; 11724 11725 mutex_exit(&SATA_CPORT_INFO( 11726 sata_hba_inst, cport)->cport_mutex); 11727 } else { 11728 /* 11729 * No target node - need to create a new target node. 11730 */ 11731 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 11732 cport_mutex); 11733 if (qual == SATA_ADDR_DPMPORT) 11734 pmportinfo->pmport_tgtnode_clean = B_TRUE; 11735 else 11736 cportinfo-> cport_tgtnode_clean = B_TRUE; 11737 11738 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 11739 cport_mutex); 11740 tdip = sata_create_target_node(SATA_DIP(sata_hba_inst), 11741 sata_hba_inst, &sata_device->satadev_addr); 11742 if (tdip == NULL) { 11743 /* Configure operation failed */ 11744 SATA_LOG_D((sata_hba_inst, CE_WARN, 11745 "sata_hba_ioctl: configure: " 11746 "configuring SATA device at port %d:%d " 11747 "failed", cport, pmport)); 11748 return (EIO); 11749 } 11750 } 11751 return (0); 11752 } 11753 11754 11755 /* 11756 * Process ioctl deactivate port request. 11757 * Arbitrarily unconfigure attached device, if any. 11758 * Even if the unconfigure fails, proceed with the 11759 * port deactivation. 11760 * 11761 * NOTE: Port Multiplier code is not completed and tested. 11762 */ 11763 11764 static int 11765 sata_ioctl_deactivate(sata_hba_inst_t *sata_hba_inst, 11766 sata_device_t *sata_device) 11767 { 11768 int cport, pmport, qual; 11769 int rval, rv = 0; 11770 sata_cport_info_t *cportinfo; 11771 sata_pmport_info_t *pmportinfo = NULL; 11772 dev_info_t *tdip; 11773 sata_drive_info_t *sdinfo = NULL; 11774 11775 /* Sanity check */ 11776 if (SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst) == NULL) 11777 return (ENOTSUP); 11778 11779 cport = sata_device->satadev_addr.cport; 11780 pmport = sata_device->satadev_addr.pmport; 11781 qual = sata_device->satadev_addr.qual; 11782 11783 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11784 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 11785 if (qual == SATA_ADDR_CPORT) { 11786 sata_device->satadev_addr.qual = SATA_ADDR_DCPORT; 11787 if (cportinfo->cport_dev_type != SATA_DTYPE_NONE) { 11788 /* 11789 * For now, assume that port multiplier is not 11790 * supported, i.e. deal only with valid devices 11791 */ 11792 if ((cportinfo->cport_dev_type & 11793 SATA_VALID_DEV_TYPE) != 0) 11794 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 11795 /* 11796 * If attached device is a port multiplier, we will 11797 * have to unconfigure all devices attached to the 11798 * port multiplier. Add this code here. 11799 */ 11800 } 11801 cportinfo->cport_state &= ~SATA_STATE_READY; 11802 } else { 11803 /* Port multiplier device port */ 11804 pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); 11805 sata_device->satadev_addr.qual = SATA_ADDR_DPMPORT; 11806 if (pmportinfo->pmport_dev_type != SATA_DTYPE_NONE && 11807 (pmportinfo->pmport_dev_type & SATA_VALID_DEV_TYPE) != 0) 11808 sdinfo = SATA_PMPORTINFO_DRV_INFO(pmportinfo); 11809 pmportinfo->pmport_state &= ~SATA_STATE_READY; 11810 } 11811 11812 if (sdinfo != NULL) { 11813 /* 11814 * If a target node exists, try to offline a device and 11815 * to remove a target node. 11816 */ 11817 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 11818 cport_mutex); 11819 tdip = sata_get_scsi_target_dip(SATA_DIP(sata_hba_inst), 11820 &sata_device->satadev_addr); 11821 if (tdip != NULL) { 11822 /* target node exist */ 11823 SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, 11824 "sata_hba_ioctl: port deactivate: " 11825 "target node exists.", NULL); 11826 11827 if (ndi_devi_offline(tdip, NDI_DEVI_REMOVE) != 11828 NDI_SUCCESS) { 11829 SATA_LOG_D((sata_hba_inst, CE_WARN, 11830 "sata_hba_ioctl: port deactivate: " 11831 "failed to unconfigure device at port " 11832 "%d:%d before deactivating the port", 11833 cport, pmport)); 11834 /* 11835 * Set DEVICE REMOVED state in the target 11836 * node. It will prevent an access to 11837 * the device even when a new device is 11838 * attached, until the old target node is 11839 * released, removed and recreated for a new 11840 * device. 11841 */ 11842 sata_set_device_removed(tdip); 11843 11844 /* 11845 * Instruct the event daemon to try the 11846 * target node cleanup later. 11847 */ 11848 sata_set_target_node_cleanup(sata_hba_inst, 11849 &sata_device->satadev_addr); 11850 } 11851 } 11852 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 11853 cport_mutex); 11854 /* 11855 * In any case, remove and release sata_drive_info 11856 * structure. 11857 */ 11858 if (qual == SATA_ADDR_CPORT) { 11859 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 11860 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 11861 } else { /* port multiplier device port */ 11862 SATA_PMPORTINFO_DRV_INFO(pmportinfo) = NULL; 11863 pmportinfo->pmport_dev_type = SATA_DTYPE_NONE; 11864 } 11865 (void) kmem_free((void *)sdinfo, sizeof (sata_drive_info_t)); 11866 } 11867 if (qual == SATA_ADDR_CPORT) { 11868 cportinfo->cport_state &= ~(SATA_STATE_PROBED | 11869 SATA_STATE_PROBING); 11870 } else { /* port multiplier device port */ 11871 pmportinfo->pmport_state &= ~(SATA_STATE_PROBED | 11872 SATA_STATE_PROBING); 11873 } 11874 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11875 11876 /* Just let HBA driver to deactivate port */ 11877 sata_device->satadev_addr.qual = qual; 11878 rval = (*SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst)) 11879 (SATA_DIP(sata_hba_inst), sata_device); 11880 11881 /* 11882 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 11883 * without the hint 11884 */ 11885 sata_gen_sysevent(sata_hba_inst, &sata_device->satadev_addr, 11886 SE_NO_HINT); 11887 11888 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11889 sata_update_port_info(sata_hba_inst, sata_device); 11890 if (qual == SATA_ADDR_CPORT) { 11891 if (rval != SATA_SUCCESS) { 11892 /* 11893 * Port deactivation failure - do not change port state 11894 * unless the state returned by HBA indicates a port 11895 * failure. 11896 */ 11897 if (sata_device->satadev_state & SATA_PSTATE_FAILED) { 11898 SATA_CPORT_STATE(sata_hba_inst, cport) = 11899 SATA_PSTATE_FAILED; 11900 } 11901 SATA_LOG_D((sata_hba_inst, CE_WARN, 11902 "sata_hba_ioctl: port deactivate: " 11903 "cannot deactivate SATA port %d", cport)); 11904 rv = EIO; 11905 } else { 11906 cportinfo->cport_state |= SATA_PSTATE_SHUTDOWN; 11907 } 11908 } else { 11909 if (rval != SATA_SUCCESS) { 11910 if (sata_device->satadev_state & SATA_PSTATE_FAILED) { 11911 SATA_PMPORT_STATE(sata_hba_inst, cport, 11912 pmport) = SATA_PSTATE_FAILED; 11913 } 11914 SATA_LOG_D((sata_hba_inst, CE_WARN, 11915 "sata_hba_ioctl: port deactivate: " 11916 "cannot deactivate SATA port %d:%d", 11917 cport, pmport)); 11918 rv = EIO; 11919 } else { 11920 pmportinfo->pmport_state |= SATA_PSTATE_SHUTDOWN; 11921 } 11922 } 11923 11924 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11925 11926 return (rv); 11927 } 11928 11929 /* 11930 * Process ioctl port activate request. 11931 * 11932 * NOTE: Port multiplier code is not completed nor tested. 11933 */ 11934 static int 11935 sata_ioctl_activate(sata_hba_inst_t *sata_hba_inst, 11936 sata_device_t *sata_device) 11937 { 11938 int cport, pmport, qual; 11939 sata_cport_info_t *cportinfo; 11940 sata_pmport_info_t *pmportinfo = NULL; 11941 boolean_t dev_existed = TRUE; 11942 11943 /* Sanity check */ 11944 if (SATA_PORT_ACTIVATE_FUNC(sata_hba_inst) == NULL) 11945 return (ENOTSUP); 11946 11947 cport = sata_device->satadev_addr.cport; 11948 pmport = sata_device->satadev_addr.pmport; 11949 qual = sata_device->satadev_addr.qual; 11950 11951 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11952 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 11953 if (qual == SATA_ADDR_PMPORT) { 11954 pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); 11955 if (pmportinfo->pmport_state & SATA_PSTATE_SHUTDOWN || 11956 pmportinfo->pmport_dev_type == SATA_DTYPE_NONE) 11957 dev_existed = FALSE; 11958 } else { /* cport */ 11959 if (cportinfo->cport_state & SATA_PSTATE_SHUTDOWN || 11960 cportinfo->cport_dev_type == SATA_DTYPE_NONE) 11961 dev_existed = FALSE; 11962 } 11963 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11964 11965 /* Just let HBA driver to activate port, if necessary */ 11966 if ((*SATA_PORT_ACTIVATE_FUNC(sata_hba_inst)) 11967 (SATA_DIP(sata_hba_inst), sata_device) != SATA_SUCCESS) { 11968 /* 11969 * Port activation failure - do not change port state unless 11970 * the state returned by HBA indicates a port failure. 11971 */ 11972 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 11973 cport)->cport_mutex); 11974 sata_update_port_info(sata_hba_inst, sata_device); 11975 if (sata_device->satadev_state & SATA_PSTATE_FAILED) { 11976 if (qual == SATA_ADDR_PMPORT) 11977 pmportinfo->pmport_state = SATA_PSTATE_FAILED; 11978 else 11979 cportinfo->cport_state = SATA_PSTATE_FAILED; 11980 11981 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 11982 cport)->cport_mutex); 11983 SATA_LOG_D((sata_hba_inst, CE_WARN, 11984 "sata_hba_ioctl: port activate: cannot activate " 11985 "SATA port %d:%d", cport, pmport)); 11986 return (EIO); 11987 } 11988 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11989 } 11990 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11991 if (qual == SATA_ADDR_PMPORT) 11992 pmportinfo->pmport_state &= ~SATA_PSTATE_SHUTDOWN; 11993 else 11994 cportinfo->cport_state &= ~SATA_PSTATE_SHUTDOWN; 11995 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11996 11997 /* 11998 * Re-probe port to find its current state and possibly attached device. 11999 * Port re-probing may change the cportinfo device type if device is 12000 * found attached. 12001 * If port probing failed, the device type would be set to 12002 * SATA_DTYPE_NONE. 12003 */ 12004 (void) sata_reprobe_port(sata_hba_inst, sata_device, 12005 SATA_DEV_IDENTIFY_RETRY); 12006 12007 /* 12008 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 12009 * without the hint. 12010 */ 12011 sata_gen_sysevent(sata_hba_inst, &sata_device->satadev_addr, 12012 SE_NO_HINT); 12013 12014 if (dev_existed == FALSE) { 12015 if (qual == SATA_ADDR_PMPORT && 12016 pmportinfo->pmport_dev_type != SATA_DTYPE_NONE) { 12017 /* 12018 * That's the transition from the "inactive" port state 12019 * or the active port without a device attached to the 12020 * active port state with a device attached. 12021 */ 12022 sata_log(sata_hba_inst, CE_WARN, 12023 "SATA device detected at port %d:%d", 12024 cport, pmport); 12025 } else if (qual == SATA_ADDR_CPORT && 12026 cportinfo->cport_dev_type != SATA_DTYPE_NONE) { 12027 /* 12028 * That's the transition from the "inactive" port state 12029 * or the active port without a device attached to the 12030 * active port state with a device attached. 12031 */ 12032 if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { 12033 sata_log(sata_hba_inst, CE_WARN, 12034 "SATA device detected at port %d", cport); 12035 } else { 12036 sata_log(sata_hba_inst, CE_WARN, 12037 "SATA port multiplier detected at port %d", 12038 cport); 12039 /* 12040 * Because the detected device is a port 12041 * multiplier, we need to reprobe every device 12042 * port on the port multiplier and show every 12043 * device found attached. 12044 * Add this code here. 12045 */ 12046 } 12047 } 12048 } 12049 return (0); 12050 } 12051 12052 12053 12054 /* 12055 * Process ioctl reset port request. 12056 * 12057 * NOTE: Port multiplier code is not completed nor tested. 12058 */ 12059 static int 12060 sata_ioctl_reset_port(sata_hba_inst_t *sata_hba_inst, 12061 sata_device_t *sata_device) 12062 { 12063 int cport, pmport, qual; 12064 int rv = 0; 12065 12066 cport = sata_device->satadev_addr.cport; 12067 pmport = sata_device->satadev_addr.pmport; 12068 qual = sata_device->satadev_addr.qual; 12069 12070 /* Sanity check */ 12071 if (SATA_RESET_DPORT_FUNC(sata_hba_inst) == NULL) { 12072 SATA_LOG_D((sata_hba_inst, CE_WARN, 12073 "sata_hba_ioctl: sata_hba_tran missing required " 12074 "function sata_tran_reset_dport")); 12075 return (ENOTSUP); 12076 } 12077 12078 /* Ask HBA to reset port */ 12079 if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), 12080 sata_device) != SATA_SUCCESS) { 12081 SATA_LOG_D((sata_hba_inst, CE_WARN, 12082 "sata_hba_ioctl: reset port: failed %d:%d", 12083 cport, pmport)); 12084 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 12085 cport_mutex); 12086 sata_update_port_info(sata_hba_inst, sata_device); 12087 if (qual == SATA_ADDR_CPORT) 12088 SATA_CPORT_STATE(sata_hba_inst, cport) = 12089 SATA_PSTATE_FAILED; 12090 else 12091 SATA_PMPORT_STATE(sata_hba_inst, cport, pmport) = 12092 SATA_PSTATE_FAILED; 12093 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 12094 cport_mutex); 12095 rv = EIO; 12096 } 12097 /* 12098 * Beacuse the port was reset, it should be probed and 12099 * attached device reinitialized. At this point the 12100 * port state is unknown - it's state is HBA-specific. 12101 * Re-probe port to get its state. 12102 */ 12103 if (sata_reprobe_port(sata_hba_inst, sata_device, 12104 SATA_DEV_IDENTIFY_RETRY) != SATA_SUCCESS) { 12105 rv = EIO; 12106 } 12107 return (rv); 12108 } 12109 12110 /* 12111 * Process ioctl reset device request. 12112 * 12113 * NOTE: Port multiplier code is not completed nor tested. 12114 */ 12115 static int 12116 sata_ioctl_reset_device(sata_hba_inst_t *sata_hba_inst, 12117 sata_device_t *sata_device) 12118 { 12119 sata_drive_info_t *sdinfo; 12120 int cport, pmport; 12121 int rv = 0; 12122 12123 /* Sanity check */ 12124 if (SATA_RESET_DPORT_FUNC(sata_hba_inst) == NULL) { 12125 SATA_LOG_D((sata_hba_inst, CE_WARN, 12126 "sata_hba_ioctl: sata_hba_tran missing required " 12127 "function sata_tran_reset_dport")); 12128 return (ENOTSUP); 12129 } 12130 12131 cport = sata_device->satadev_addr.cport; 12132 pmport = sata_device->satadev_addr.pmport; 12133 12134 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 12135 if (sata_device->satadev_addr.qual == SATA_ADDR_CPORT) { 12136 sata_device->satadev_addr.qual = SATA_ADDR_DCPORT; 12137 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, 12138 sata_device->satadev_addr.cport); 12139 } else { /* port multiplier */ 12140 sata_device->satadev_addr.qual = SATA_ADDR_DPMPORT; 12141 sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, 12142 sata_device->satadev_addr.cport, 12143 sata_device->satadev_addr.pmport); 12144 } 12145 if (sdinfo == NULL) { 12146 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 12147 return (EINVAL); 12148 } 12149 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 12150 12151 /* Ask HBA to reset device */ 12152 if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst)) 12153 (SATA_DIP(sata_hba_inst), sata_device) != SATA_SUCCESS) { 12154 SATA_LOG_D((sata_hba_inst, CE_WARN, 12155 "sata_hba_ioctl: reset device: failed at port %d:%d", 12156 cport, pmport)); 12157 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 12158 cport_mutex); 12159 sata_update_port_info(sata_hba_inst, sata_device); 12160 /* 12161 * Device info structure remains attached. Another device reset 12162 * or port disconnect/connect and re-probing is 12163 * needed to change it's state 12164 */ 12165 sdinfo->satadrv_state &= ~SATA_STATE_READY; 12166 sdinfo->satadrv_state |= SATA_DSTATE_FAILED; 12167 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 12168 rv = EIO; 12169 } 12170 /* 12171 * If attached device was a port multiplier, some extra processing 12172 * may be needed, to bring it back (if port re-probing did not handle 12173 * it). Add such code here. 12174 */ 12175 return (rv); 12176 } 12177 12178 12179 /* 12180 * Process ioctl reset all request. 12181 * 12182 * NOTE: Port multiplier code is not completed nor tested. 12183 */ 12184 static int 12185 sata_ioctl_reset_all(sata_hba_inst_t *sata_hba_inst) 12186 { 12187 sata_device_t sata_device; 12188 int rv = 0; 12189 int tcport; 12190 int tpmport = 0; 12191 12192 sata_device.satadev_rev = SATA_DEVICE_REV; 12193 12194 /* 12195 * There is no protection here for configured devices. 12196 */ 12197 /* Sanity check */ 12198 if (SATA_RESET_DPORT_FUNC(sata_hba_inst) == NULL) { 12199 SATA_LOG_D((sata_hba_inst, CE_WARN, 12200 "sata_hba_ioctl: sata_hba_tran missing required " 12201 "function sata_tran_reset_dport")); 12202 return (ENOTSUP); 12203 } 12204 12205 /* 12206 * Need to lock all ports, not just one. 12207 * If any port is locked by event processing, fail the whole operation. 12208 * One port is already locked, but for simplicity lock it again. 12209 */ 12210 for (tcport = 0; tcport < SATA_NUM_CPORTS(sata_hba_inst); tcport++) { 12211 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, tcport)-> 12212 cport_mutex); 12213 if (((SATA_CPORT_INFO(sata_hba_inst, tcport)-> 12214 cport_event_flags) & SATA_EVNT_LOCK_PORT_BUSY) != 0) { 12215 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, tcport)-> 12216 cport_mutex); 12217 rv = EBUSY; 12218 break; 12219 } else { 12220 SATA_CPORT_INFO(sata_hba_inst, tcport)-> 12221 cport_event_flags |= SATA_APCTL_LOCK_PORT_BUSY; 12222 /* 12223 * If there is a port multiplier attached, we may need 12224 * to lock its port as well. If so, add such code here. 12225 */ 12226 } 12227 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, tcport)-> 12228 cport_mutex); 12229 } 12230 12231 if (rv == 0) { 12232 /* 12233 * All cports were successfully locked. 12234 * Reset main SATA controller only for now - no PMult. 12235 * Set the device address to port 0, to have a valid device 12236 * address. 12237 */ 12238 sata_device.satadev_addr.qual = SATA_ADDR_CNTRL; 12239 sata_device.satadev_addr.cport = 0; 12240 sata_device.satadev_addr.pmport = 0; 12241 12242 if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst)) 12243 (SATA_DIP(sata_hba_inst), &sata_device) != SATA_SUCCESS) { 12244 SATA_LOG_D((sata_hba_inst, CE_WARN, 12245 "sata_hba_ioctl: reset controller failed")); 12246 return (EIO); 12247 } 12248 /* 12249 * Because ports were reset, port states are unknown. 12250 * They should be re-probed to get their state and 12251 * attached devices should be reinitialized. 12252 * Add code here to re-probe port multiplier device ports. 12253 */ 12254 for (tcport = 0; tcport < SATA_NUM_CPORTS(sata_hba_inst); 12255 tcport++) { 12256 sata_device.satadev_addr.cport = tcport; 12257 sata_device.satadev_addr.pmport = tpmport; 12258 sata_device.satadev_addr.qual = SATA_ADDR_CPORT; 12259 12260 if (sata_reprobe_port(sata_hba_inst, &sata_device, 12261 SATA_DEV_IDENTIFY_RETRY) != SATA_SUCCESS) 12262 rv = EIO; 12263 } 12264 } 12265 /* 12266 * Unlock all ports 12267 */ 12268 for (tcport = 0; tcport < SATA_NUM_CPORTS(sata_hba_inst); tcport++) { 12269 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, tcport)-> 12270 cport_mutex); 12271 SATA_CPORT_INFO(sata_hba_inst, tcport)-> 12272 cport_event_flags &= ~SATA_APCTL_LOCK_PORT_BUSY; 12273 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, tcport)-> 12274 cport_mutex); 12275 } 12276 12277 /* 12278 * This operation returns EFAULT if either reset 12279 * controller failed or a re-probing of any port failed. 12280 */ 12281 return (rv); 12282 } 12283 12284 12285 /* 12286 * Process ioctl port self test request. 12287 * 12288 * NOTE: Port multiplier code is not completed nor tested. 12289 */ 12290 static int 12291 sata_ioctl_port_self_test(sata_hba_inst_t *sata_hba_inst, 12292 sata_device_t *sata_device) 12293 { 12294 int cport, pmport, qual; 12295 int rv = 0; 12296 12297 /* Sanity check */ 12298 if (SATA_SELFTEST_FUNC(sata_hba_inst) == NULL) 12299 return (ENOTSUP); 12300 12301 cport = sata_device->satadev_addr.cport; 12302 pmport = sata_device->satadev_addr.pmport; 12303 qual = sata_device->satadev_addr.qual; 12304 12305 /* 12306 * There is no protection here for a configured 12307 * device attached to this port. 12308 */ 12309 12310 if ((*SATA_SELFTEST_FUNC(sata_hba_inst)) 12311 (SATA_DIP(sata_hba_inst), sata_device) != SATA_SUCCESS) { 12312 SATA_LOG_D((sata_hba_inst, CE_WARN, 12313 "sata_hba_ioctl: port selftest: " 12314 "failed port %d:%d", cport, pmport)); 12315 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 12316 cport_mutex); 12317 sata_update_port_info(sata_hba_inst, sata_device); 12318 if (qual == SATA_ADDR_CPORT) 12319 SATA_CPORT_STATE(sata_hba_inst, cport) = 12320 SATA_PSTATE_FAILED; 12321 else /* port ultiplier device port */ 12322 SATA_PMPORT_STATE(sata_hba_inst, cport, pmport) = 12323 SATA_PSTATE_FAILED; 12324 12325 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 12326 cport_mutex); 12327 return (EIO); 12328 } 12329 /* 12330 * Beacuse the port was reset in the course of testing, it should be 12331 * re-probed and attached device state should be restored. At this 12332 * point the port state is unknown - it's state is HBA-specific. 12333 * Force port re-probing to get it into a known state. 12334 */ 12335 if (sata_reprobe_port(sata_hba_inst, sata_device, 12336 SATA_DEV_IDENTIFY_RETRY) != SATA_SUCCESS) 12337 rv = EIO; 12338 return (rv); 12339 } 12340 12341 12342 /* 12343 * sata_cfgadm_state: 12344 * Use the sata port state and state of the target node to figure out 12345 * the cfgadm_state. 12346 * 12347 * The port argument is a value with encoded cport, 12348 * pmport and address qualifier, in the same manner as a scsi target number. 12349 * SCSI_TO_SATA_CPORT macro extracts cport number, 12350 * SCSI_TO_SATA_PMPORT extracts pmport number and 12351 * SCSI_TO_SATA_ADDR_QUAL extracts port mulitplier qualifier flag. 12352 * 12353 * For now, support is for cports only - no port multiplier device ports. 12354 */ 12355 12356 static void 12357 sata_cfgadm_state(sata_hba_inst_t *sata_hba_inst, int32_t port, 12358 devctl_ap_state_t *ap_state) 12359 { 12360 uint16_t cport; 12361 int port_state; 12362 sata_drive_info_t *sdinfo; 12363 12364 /* Cport only */ 12365 cport = SCSI_TO_SATA_CPORT(port); 12366 12367 port_state = SATA_CPORT_STATE(sata_hba_inst, cport); 12368 if (port_state & SATA_PSTATE_SHUTDOWN || 12369 port_state & SATA_PSTATE_FAILED) { 12370 ap_state->ap_rstate = AP_RSTATE_DISCONNECTED; 12371 ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; 12372 if (port_state & SATA_PSTATE_FAILED) 12373 ap_state->ap_condition = AP_COND_FAILED; 12374 else 12375 ap_state->ap_condition = AP_COND_UNKNOWN; 12376 12377 return; 12378 } 12379 12380 /* Need to check pmult device port here as well, when supported */ 12381 12382 /* Port is enabled and ready */ 12383 12384 switch (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport)) { 12385 case SATA_DTYPE_NONE: 12386 { 12387 ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; 12388 ap_state->ap_condition = AP_COND_OK; 12389 /* No device attached */ 12390 ap_state->ap_rstate = AP_RSTATE_EMPTY; 12391 break; 12392 } 12393 case SATA_DTYPE_UNKNOWN: 12394 case SATA_DTYPE_PMULT: /* Until PMult is supported */ 12395 case SATA_DTYPE_ATADISK: 12396 case SATA_DTYPE_ATAPICD: 12397 case SATA_DTYPE_ATAPITAPE: 12398 case SATA_DTYPE_ATAPIDISK: 12399 { 12400 dev_info_t *tdip = NULL; 12401 dev_info_t *dip = NULL; 12402 int circ; 12403 12404 dip = SATA_DIP(sata_hba_inst); 12405 tdip = sata_get_target_dip(dip, port); 12406 ap_state->ap_rstate = AP_RSTATE_CONNECTED; 12407 if (tdip != NULL) { 12408 ndi_devi_enter(dip, &circ); 12409 mutex_enter(&(DEVI(tdip)->devi_lock)); 12410 if (DEVI_IS_DEVICE_REMOVED(tdip)) { 12411 /* 12412 * There could be the case where previously 12413 * configured and opened device was removed 12414 * and unknown device was plugged. 12415 * In such case we want to show a device, and 12416 * its configured or unconfigured state but 12417 * indicate unusable condition untill the 12418 * old target node is released and removed. 12419 */ 12420 ap_state->ap_condition = AP_COND_UNUSABLE; 12421 } else { 12422 mutex_enter(&SATA_CPORT_MUTEX(sata_hba_inst, 12423 cport)); 12424 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, 12425 cport); 12426 if (sdinfo != NULL) { 12427 if ((sdinfo->satadrv_state & 12428 SATA_DSTATE_FAILED) != 0) 12429 ap_state->ap_condition = 12430 AP_COND_FAILED; 12431 else 12432 ap_state->ap_condition = 12433 AP_COND_OK; 12434 } else { 12435 ap_state->ap_condition = 12436 AP_COND_UNKNOWN; 12437 } 12438 mutex_exit(&SATA_CPORT_MUTEX(sata_hba_inst, 12439 cport)); 12440 } 12441 if ((DEVI_IS_DEVICE_OFFLINE(tdip)) || 12442 (DEVI_IS_DEVICE_DOWN(tdip))) { 12443 ap_state->ap_ostate = 12444 AP_OSTATE_UNCONFIGURED; 12445 } else { 12446 ap_state->ap_ostate = 12447 AP_OSTATE_CONFIGURED; 12448 } 12449 mutex_exit(&(DEVI(tdip)->devi_lock)); 12450 ndi_devi_exit(dip, circ); 12451 } else { 12452 ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; 12453 ap_state->ap_condition = AP_COND_UNKNOWN; 12454 } 12455 break; 12456 } 12457 default: 12458 ap_state->ap_rstate = AP_RSTATE_CONNECTED; 12459 ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; 12460 ap_state->ap_condition = AP_COND_UNKNOWN; 12461 /* 12462 * This is actually internal error condition (non fatal), 12463 * because we have already checked all defined device types. 12464 */ 12465 SATA_LOG_D((sata_hba_inst, CE_WARN, 12466 "sata_cfgadm_state: Internal error: " 12467 "unknown device type")); 12468 break; 12469 } 12470 } 12471 12472 12473 /* 12474 * Process ioctl get device path request. 12475 * 12476 * NOTE: Port multiplier code is not completed nor tested. 12477 */ 12478 static int 12479 sata_ioctl_get_device_path(sata_hba_inst_t *sata_hba_inst, 12480 sata_device_t *sata_device, sata_ioctl_data_t *ioc, int mode) 12481 { 12482 char path[MAXPATHLEN]; 12483 uint32_t size; 12484 dev_info_t *tdip; 12485 12486 (void) strcpy(path, "/devices"); 12487 if ((tdip = sata_get_scsi_target_dip(SATA_DIP(sata_hba_inst), 12488 &sata_device->satadev_addr)) == NULL) { 12489 /* 12490 * No such device. If this is a request for a size, do not 12491 * return EINVAL for non-existing target, because cfgadm 12492 * will then indicate a meaningless ioctl failure. 12493 * If this is a request for a path, indicate invalid 12494 * argument. 12495 */ 12496 if (ioc->get_size == 0) 12497 return (EINVAL); 12498 } else { 12499 (void) ddi_pathname(tdip, path + strlen(path)); 12500 } 12501 size = strlen(path) + 1; 12502 12503 if (ioc->get_size != 0) { 12504 if (ddi_copyout((void *)&size, ioc->buf, ioc->bufsiz, 12505 mode) != 0) 12506 return (EFAULT); 12507 } else { 12508 if (ioc->bufsiz != size) 12509 return (EINVAL); 12510 12511 else if (ddi_copyout((void *)&path, ioc->buf, ioc->bufsiz, 12512 mode) != 0) 12513 return (EFAULT); 12514 } 12515 return (0); 12516 } 12517 12518 /* 12519 * Process ioctl get attachment point type request. 12520 * 12521 * NOTE: Port multiplier code is not completed nor tested. 12522 */ 12523 static int 12524 sata_ioctl_get_ap_type(sata_hba_inst_t *sata_hba_inst, 12525 sata_device_t *sata_device, sata_ioctl_data_t *ioc, int mode) 12526 { 12527 uint32_t type_len; 12528 const char *ap_type; 12529 int dev_type; 12530 12531 if (sata_device->satadev_addr.qual == SATA_ADDR_CPORT) 12532 dev_type = SATA_CPORT_DEV_TYPE(sata_hba_inst, 12533 sata_device->satadev_addr.cport); 12534 else /* pmport */ 12535 dev_type = SATA_PMPORT_DEV_TYPE(sata_hba_inst, 12536 sata_device->satadev_addr.cport, 12537 sata_device->satadev_addr.pmport); 12538 12539 switch (dev_type) { 12540 case SATA_DTYPE_NONE: 12541 ap_type = "port"; 12542 break; 12543 12544 case SATA_DTYPE_ATADISK: 12545 case SATA_DTYPE_ATAPIDISK: 12546 ap_type = "disk"; 12547 break; 12548 12549 case SATA_DTYPE_ATAPICD: 12550 ap_type = "cd/dvd"; 12551 break; 12552 12553 case SATA_DTYPE_ATAPITAPE: 12554 ap_type = "tape"; 12555 break; 12556 12557 case SATA_DTYPE_PMULT: 12558 ap_type = "pmult"; 12559 break; 12560 12561 case SATA_DTYPE_UNKNOWN: 12562 ap_type = "unknown"; 12563 break; 12564 12565 default: 12566 ap_type = "unsupported"; 12567 break; 12568 12569 } /* end of dev_type switch */ 12570 12571 type_len = strlen(ap_type) + 1; 12572 12573 if (ioc->get_size) { 12574 if (ddi_copyout((void *)&type_len, ioc->buf, ioc->bufsiz, 12575 mode) != 0) 12576 return (EFAULT); 12577 } else { 12578 if (ioc->bufsiz != type_len) 12579 return (EINVAL); 12580 12581 if (ddi_copyout((void *)ap_type, ioc->buf, 12582 ioc->bufsiz, mode) != 0) 12583 return (EFAULT); 12584 } 12585 return (0); 12586 12587 } 12588 12589 /* 12590 * Process ioctl get device model info request. 12591 * This operation should return to cfgadm the device model 12592 * information string 12593 * 12594 * NOTE: Port multiplier code is not completed nor tested. 12595 */ 12596 static int 12597 sata_ioctl_get_model_info(sata_hba_inst_t *sata_hba_inst, 12598 sata_device_t *sata_device, sata_ioctl_data_t *ioc, int mode) 12599 { 12600 sata_drive_info_t *sdinfo; 12601 uint32_t info_len; 12602 char ap_info[SATA_ID_MODEL_LEN + 1]; 12603 12604 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 12605 sata_device->satadev_addr.cport)->cport_mutex); 12606 if (sata_device->satadev_addr.qual == SATA_ADDR_CPORT) 12607 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, 12608 sata_device->satadev_addr.cport); 12609 else /* port multiplier */ 12610 sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, 12611 sata_device->satadev_addr.cport, 12612 sata_device->satadev_addr.pmport); 12613 if (sdinfo == NULL) { 12614 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 12615 sata_device->satadev_addr.cport)->cport_mutex); 12616 return (EINVAL); 12617 } 12618 12619 #ifdef _LITTLE_ENDIAN 12620 swab(sdinfo->satadrv_id.ai_model, ap_info, SATA_ID_MODEL_LEN); 12621 #else /* _LITTLE_ENDIAN */ 12622 bcopy(sdinfo->satadrv_id.ai_model, ap_info, SATA_ID_MODEL_LEN); 12623 #endif /* _LITTLE_ENDIAN */ 12624 12625 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 12626 sata_device->satadev_addr.cport)->cport_mutex); 12627 12628 ap_info[SATA_ID_MODEL_LEN] = '\0'; 12629 12630 info_len = strlen(ap_info) + 1; 12631 12632 if (ioc->get_size) { 12633 if (ddi_copyout((void *)&info_len, ioc->buf, ioc->bufsiz, 12634 mode) != 0) 12635 return (EFAULT); 12636 } else { 12637 if (ioc->bufsiz < info_len) 12638 return (EINVAL); 12639 if (ddi_copyout((void *)ap_info, ioc->buf, ioc->bufsiz, 12640 mode) != 0) 12641 return (EFAULT); 12642 } 12643 return (0); 12644 } 12645 12646 12647 /* 12648 * Process ioctl get device firmware revision info request. 12649 * This operation should return to cfgadm the device firmware revision 12650 * information string 12651 * 12652 * NOTE: Port multiplier code is not completed nor tested. 12653 */ 12654 static int 12655 sata_ioctl_get_revfirmware_info(sata_hba_inst_t *sata_hba_inst, 12656 sata_device_t *sata_device, sata_ioctl_data_t *ioc, int mode) 12657 { 12658 sata_drive_info_t *sdinfo; 12659 uint32_t info_len; 12660 char ap_info[SATA_ID_FW_LEN + 1]; 12661 12662 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 12663 sata_device->satadev_addr.cport)->cport_mutex); 12664 if (sata_device->satadev_addr.qual == SATA_ADDR_CPORT) 12665 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, 12666 sata_device->satadev_addr.cport); 12667 else /* port multiplier */ 12668 sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, 12669 sata_device->satadev_addr.cport, 12670 sata_device->satadev_addr.pmport); 12671 if (sdinfo == NULL) { 12672 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 12673 sata_device->satadev_addr.cport)->cport_mutex); 12674 return (EINVAL); 12675 } 12676 12677 #ifdef _LITTLE_ENDIAN 12678 swab(sdinfo->satadrv_id.ai_fw, ap_info, SATA_ID_FW_LEN); 12679 #else /* _LITTLE_ENDIAN */ 12680 bcopy(sdinfo->satadrv_id.ai_fw, ap_info, SATA_ID_FW_LEN); 12681 #endif /* _LITTLE_ENDIAN */ 12682 12683 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 12684 sata_device->satadev_addr.cport)->cport_mutex); 12685 12686 ap_info[SATA_ID_FW_LEN] = '\0'; 12687 12688 info_len = strlen(ap_info) + 1; 12689 12690 if (ioc->get_size) { 12691 if (ddi_copyout((void *)&info_len, ioc->buf, ioc->bufsiz, 12692 mode) != 0) 12693 return (EFAULT); 12694 } else { 12695 if (ioc->bufsiz < info_len) 12696 return (EINVAL); 12697 if (ddi_copyout((void *)ap_info, ioc->buf, ioc->bufsiz, 12698 mode) != 0) 12699 return (EFAULT); 12700 } 12701 return (0); 12702 } 12703 12704 12705 /* 12706 * Process ioctl get device serial number info request. 12707 * This operation should return to cfgadm the device serial number string. 12708 * 12709 * NOTE: Port multiplier code is not completed nor tested. 12710 */ 12711 static int 12712 sata_ioctl_get_serialnumber_info(sata_hba_inst_t *sata_hba_inst, 12713 sata_device_t *sata_device, sata_ioctl_data_t *ioc, int mode) 12714 { 12715 sata_drive_info_t *sdinfo; 12716 uint32_t info_len; 12717 char ap_info[SATA_ID_SERIAL_LEN + 1]; 12718 12719 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 12720 sata_device->satadev_addr.cport)->cport_mutex); 12721 if (sata_device->satadev_addr.qual == SATA_ADDR_CPORT) 12722 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, 12723 sata_device->satadev_addr.cport); 12724 else /* port multiplier */ 12725 sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, 12726 sata_device->satadev_addr.cport, 12727 sata_device->satadev_addr.pmport); 12728 if (sdinfo == NULL) { 12729 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 12730 sata_device->satadev_addr.cport)->cport_mutex); 12731 return (EINVAL); 12732 } 12733 12734 #ifdef _LITTLE_ENDIAN 12735 swab(sdinfo->satadrv_id.ai_drvser, ap_info, SATA_ID_SERIAL_LEN); 12736 #else /* _LITTLE_ENDIAN */ 12737 bcopy(sdinfo->satadrv_id.ai_drvser, ap_info, SATA_ID_SERIAL_LEN); 12738 #endif /* _LITTLE_ENDIAN */ 12739 12740 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 12741 sata_device->satadev_addr.cport)->cport_mutex); 12742 12743 ap_info[SATA_ID_SERIAL_LEN] = '\0'; 12744 12745 info_len = strlen(ap_info) + 1; 12746 12747 if (ioc->get_size) { 12748 if (ddi_copyout((void *)&info_len, ioc->buf, ioc->bufsiz, 12749 mode) != 0) 12750 return (EFAULT); 12751 } else { 12752 if (ioc->bufsiz < info_len) 12753 return (EINVAL); 12754 if (ddi_copyout((void *)ap_info, ioc->buf, ioc->bufsiz, 12755 mode) != 0) 12756 return (EFAULT); 12757 } 12758 return (0); 12759 } 12760 12761 12762 /* 12763 * Preset scsi extended sense data (to NO SENSE) 12764 * First 18 bytes of the sense data are preset to current valid sense 12765 * with a key NO SENSE data. 12766 * 12767 * Returns void 12768 */ 12769 static void 12770 sata_fixed_sense_data_preset(struct scsi_extended_sense *sense) 12771 { 12772 sense->es_valid = 1; /* Valid sense */ 12773 sense->es_class = CLASS_EXTENDED_SENSE; /* 0x70 - current err */ 12774 sense->es_key = KEY_NO_SENSE; 12775 sense->es_info_1 = 0; 12776 sense->es_info_2 = 0; 12777 sense->es_info_3 = 0; 12778 sense->es_info_4 = 0; 12779 sense->es_add_len = 10; /* Additional length - replace with a def */ 12780 sense->es_cmd_info[0] = 0; 12781 sense->es_cmd_info[1] = 0; 12782 sense->es_cmd_info[2] = 0; 12783 sense->es_cmd_info[3] = 0; 12784 sense->es_add_code = 0; 12785 sense->es_qual_code = 0; 12786 } 12787 12788 /* 12789 * Register a legacy cmdk-style devid for the target (disk) device. 12790 * 12791 * Note: This function is called only when the HBA devinfo node has the 12792 * property "use-cmdk-devid-format" set. This property indicates that 12793 * devid compatible with old cmdk (target) driver is to be generated 12794 * for any target device attached to this controller. This will take 12795 * precedence over the devid generated by sd (target) driver. 12796 * This function is derived from cmdk_devid_setup() function in cmdk.c. 12797 */ 12798 static void 12799 sata_target_devid_register(dev_info_t *dip, sata_drive_info_t *sdinfo) 12800 { 12801 char *hwid; 12802 int modlen; 12803 int serlen; 12804 int rval; 12805 ddi_devid_t devid; 12806 12807 /* 12808 * device ID is a concatanation of model number, "=", serial number. 12809 */ 12810 hwid = kmem_zalloc(LEGACY_HWID_LEN, KM_SLEEP); 12811 bcopy(&sdinfo->satadrv_id.ai_model, hwid, 12812 sizeof (sdinfo->satadrv_id.ai_model)); 12813 swab(hwid, hwid, sizeof (sdinfo->satadrv_id.ai_model)); 12814 modlen = sata_check_modser(hwid, sizeof (sdinfo->satadrv_id.ai_model)); 12815 if (modlen == 0) 12816 goto err; 12817 hwid[modlen++] = '='; 12818 bcopy(&sdinfo->satadrv_id.ai_drvser, &hwid[modlen], 12819 sizeof (sdinfo->satadrv_id.ai_drvser)); 12820 swab(&hwid[modlen], &hwid[modlen], 12821 sizeof (sdinfo->satadrv_id.ai_drvser)); 12822 serlen = sata_check_modser(&hwid[modlen], 12823 sizeof (sdinfo->satadrv_id.ai_drvser)); 12824 if (serlen == 0) 12825 goto err; 12826 hwid[modlen + serlen] = 0; /* terminate the hwid string */ 12827 12828 /* initialize/register devid */ 12829 if ((rval = ddi_devid_init(dip, DEVID_ATA_SERIAL, 12830 (ushort_t)(modlen + serlen), hwid, &devid)) == DDI_SUCCESS) { 12831 rval = ddi_devid_register(dip, devid); 12832 /* 12833 * Free up the allocated devid buffer. 12834 * NOTE: This doesn't mean unregistering devid. 12835 */ 12836 ddi_devid_free(devid); 12837 } 12838 12839 if (rval != DDI_SUCCESS) 12840 cmn_err(CE_WARN, "sata: failed to create devid for the disk" 12841 " on port %d", sdinfo->satadrv_addr.cport); 12842 err: 12843 kmem_free(hwid, LEGACY_HWID_LEN); 12844 } 12845 12846 /* 12847 * valid model/serial string must contain a non-zero non-space characters. 12848 * trim trailing spaces/NULLs. 12849 */ 12850 static int 12851 sata_check_modser(char *buf, int buf_len) 12852 { 12853 boolean_t ret; 12854 char *s; 12855 int i; 12856 int tb; 12857 char ch; 12858 12859 ret = B_FALSE; 12860 s = buf; 12861 for (i = 0; i < buf_len; i++) { 12862 ch = *s++; 12863 if (ch != ' ' && ch != '\0') 12864 tb = i + 1; 12865 if (ch != ' ' && ch != '\0' && ch != '0') 12866 ret = B_TRUE; 12867 } 12868 12869 if (ret == B_FALSE) 12870 return (0); /* invalid string */ 12871 12872 return (tb); /* return length */ 12873 } 12874 12875 /* 12876 * sata_set_drive_features function compares current device features setting 12877 * with the saved device features settings and, if there is a difference, 12878 * it restores device features setting to the previously saved state. 12879 * It also arbitrarily tries to select the highest supported DMA mode. 12880 * Device Identify or Identify Packet Device data has to be current. 12881 * At the moment read ahead and write cache are considered for all devices. 12882 * For atapi devices, Removable Media Status Notification is set in addition 12883 * to common features. 12884 * 12885 * This function cannot be called in the interrupt context (it may sleep). 12886 * 12887 * The input argument sdinfo should point to the drive info structure 12888 * to be updated after features are set. Note, that only 12889 * device (packet) identify data is updated, not the flags indicating the 12890 * supported features. 12891 * 12892 * Returns SATA_SUCCESS if successful or there was nothing to do. 12893 * Device Identify data in the drive info structure pointed to by the sdinfo 12894 * arguments is updated even when no features were set or changed. 12895 * 12896 * Returns SATA_FAILURE if device features could not be set or DMA mode 12897 * for a disk cannot be set and device identify data cannot be fetched. 12898 * 12899 * Returns SATA_RETRY if device features could not be set (other than disk 12900 * DMA mode) but the device identify data was fetched successfully. 12901 * 12902 * Note: This function may fail the port, making it inaccessible. 12903 * In such case the explicit port disconnect/connect or physical device 12904 * detach/attach is required to re-evaluate port state again. 12905 */ 12906 12907 static int 12908 sata_set_drive_features(sata_hba_inst_t *sata_hba_inst, 12909 sata_drive_info_t *sdinfo, int restore) 12910 { 12911 int rval = SATA_SUCCESS; 12912 int rval_set; 12913 sata_drive_info_t new_sdinfo; 12914 char *finfo = "sata_set_drive_features: cannot"; 12915 char *finfox; 12916 int cache_op; 12917 12918 bzero(&new_sdinfo, sizeof (sata_drive_info_t)); 12919 new_sdinfo.satadrv_addr = sdinfo->satadrv_addr; 12920 new_sdinfo.satadrv_type = sdinfo->satadrv_type; 12921 if (sata_fetch_device_identify_data(sata_hba_inst, &new_sdinfo) != 0) { 12922 /* 12923 * Cannot get device identification - caller may retry later 12924 */ 12925 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 12926 "%s fetch device identify data\n", finfo); 12927 return (SATA_FAILURE); 12928 } 12929 finfox = (restore != 0) ? " restore device features" : 12930 " initialize device features\n"; 12931 12932 switch (sdinfo->satadrv_type) { 12933 case SATA_DTYPE_ATADISK: 12934 /* Arbitrarily set UDMA mode */ 12935 if (sata_set_dma_mode(sata_hba_inst, &new_sdinfo) != 12936 SATA_SUCCESS) { 12937 SATA_LOG_D((sata_hba_inst, CE_WARN, 12938 "%s set UDMA mode\n", finfo)); 12939 return (SATA_FAILURE); 12940 } 12941 break; 12942 case SATA_DTYPE_ATAPICD: 12943 case SATA_DTYPE_ATAPITAPE: 12944 case SATA_DTYPE_ATAPIDISK: 12945 /* Set Removable Media Status Notification, if necessary */ 12946 if (SATA_RM_NOTIFIC_SUPPORTED(new_sdinfo.satadrv_id) && 12947 restore != 0) { 12948 if (((sdinfo->satadrv_settings & SATA_DEV_RMSN) && 12949 (!SATA_RM_NOTIFIC_ENABLED(new_sdinfo.satadrv_id)))|| 12950 ((!(sdinfo->satadrv_settings & SATA_DEV_RMSN)) && 12951 SATA_RM_NOTIFIC_ENABLED(new_sdinfo.satadrv_id))) { 12952 /* Current setting does not match saved one */ 12953 if (sata_set_rmsn(sata_hba_inst, sdinfo, 12954 sdinfo->satadrv_settings & 12955 SATA_DEV_RMSN) != SATA_SUCCESS) 12956 rval = SATA_FAILURE; 12957 } 12958 } 12959 /* 12960 * We have to set Multiword DMA or UDMA, if it is supported, as 12961 * we want to use DMA transfer mode whenever possible. 12962 * Some devices require explicit setting of the DMA mode. 12963 */ 12964 if (new_sdinfo.satadrv_id.ai_cap & SATA_DMA_SUPPORT) { 12965 /* Set highest supported DMA mode */ 12966 if (sata_set_dma_mode(sata_hba_inst, &new_sdinfo) != 12967 SATA_SUCCESS) { 12968 SATA_LOG_D((sata_hba_inst, CE_WARN, 12969 "%s set UDMA mode\n", finfo)); 12970 rval = SATA_FAILURE; 12971 } 12972 } 12973 break; 12974 } 12975 12976 if (!SATA_READ_AHEAD_SUPPORTED(new_sdinfo.satadrv_id) && 12977 !SATA_WRITE_CACHE_SUPPORTED(new_sdinfo.satadrv_id)) { 12978 /* 12979 * neither READ AHEAD nor WRITE CACHE is supported 12980 * - do nothing 12981 */ 12982 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 12983 "settable features not supported\n", NULL); 12984 goto update_sdinfo; 12985 } 12986 12987 if ((SATA_READ_AHEAD_ENABLED(new_sdinfo.satadrv_id) && 12988 (sdinfo->satadrv_settings & SATA_DEV_READ_AHEAD)) && 12989 (SATA_WRITE_CACHE_ENABLED(new_sdinfo.satadrv_id) && 12990 (sdinfo->satadrv_settings & SATA_DEV_WRITE_CACHE))) { 12991 /* 12992 * both READ AHEAD and WRITE CACHE are enabled 12993 * - Nothing to do 12994 */ 12995 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 12996 "no device features to set\n", NULL); 12997 goto update_sdinfo; 12998 } 12999 13000 cache_op = 0; 13001 13002 if (SATA_READ_AHEAD_SUPPORTED(new_sdinfo.satadrv_id)) { 13003 if ((sdinfo->satadrv_settings & SATA_DEV_READ_AHEAD) && 13004 !SATA_READ_AHEAD_ENABLED(new_sdinfo.satadrv_id)) { 13005 /* Enable read ahead / read cache */ 13006 cache_op = SATAC_SF_ENABLE_READ_AHEAD; 13007 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 13008 "enabling read cache\n", NULL); 13009 } else if (!(sdinfo->satadrv_settings & SATA_DEV_READ_AHEAD) && 13010 SATA_READ_AHEAD_ENABLED(new_sdinfo.satadrv_id)) { 13011 /* Disable read ahead / read cache */ 13012 cache_op = SATAC_SF_DISABLE_READ_AHEAD; 13013 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 13014 "disabling read cache\n", NULL); 13015 } 13016 13017 if (cache_op != 0) { 13018 /* Try to set read cache mode */ 13019 rval_set = sata_set_cache_mode(sata_hba_inst, 13020 &new_sdinfo, cache_op); 13021 if (rval != SATA_FAILURE && rval_set != SATA_SUCCESS) 13022 rval = rval_set; 13023 } 13024 } 13025 13026 cache_op = 0; 13027 13028 if (SATA_WRITE_CACHE_SUPPORTED(new_sdinfo.satadrv_id)) { 13029 if ((sdinfo->satadrv_settings & SATA_DEV_WRITE_CACHE) && 13030 !SATA_WRITE_CACHE_ENABLED(new_sdinfo.satadrv_id)) { 13031 /* Enable write cache */ 13032 cache_op = SATAC_SF_ENABLE_WRITE_CACHE; 13033 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 13034 "enabling write cache\n", NULL); 13035 } else if (!(sdinfo->satadrv_settings & SATA_DEV_WRITE_CACHE) && 13036 SATA_WRITE_CACHE_ENABLED(new_sdinfo.satadrv_id)) { 13037 /* Disable write cache */ 13038 cache_op = SATAC_SF_DISABLE_WRITE_CACHE; 13039 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 13040 "disabling write cache\n", NULL); 13041 } 13042 13043 if (cache_op != 0) { 13044 /* Try to set write cache mode */ 13045 rval_set = sata_set_cache_mode(sata_hba_inst, 13046 &new_sdinfo, cache_op); 13047 if (rval != SATA_FAILURE && rval_set != SATA_SUCCESS) 13048 rval = rval_set; 13049 } 13050 } 13051 if (rval != SATA_SUCCESS) 13052 SATA_LOG_D((sata_hba_inst, CE_WARN, 13053 "%s %s", finfo, finfox)); 13054 13055 update_sdinfo: 13056 /* 13057 * We need to fetch Device Identify data again 13058 */ 13059 if (sata_fetch_device_identify_data(sata_hba_inst, &new_sdinfo) != 0) { 13060 /* 13061 * Cannot get device identification - retry later 13062 */ 13063 SATA_LOG_D((sata_hba_inst, CE_WARN, 13064 "%s re-fetch device identify data\n", finfo)); 13065 rval = SATA_FAILURE; 13066 } 13067 /* Copy device sata info. */ 13068 sdinfo->satadrv_id = new_sdinfo.satadrv_id; 13069 13070 return (rval); 13071 } 13072 13073 13074 /* 13075 * 13076 * Returns 1 if threshold exceeded, 0 if threshold not exceeded, -1 if 13077 * unable to determine. 13078 * 13079 * Cannot be called in an interrupt context. 13080 * 13081 * Called by sata_build_lsense_page_2f() 13082 */ 13083 13084 static int 13085 sata_fetch_smart_return_status(sata_hba_inst_t *sata_hba_inst, 13086 sata_drive_info_t *sdinfo) 13087 { 13088 sata_pkt_t *spkt; 13089 sata_cmd_t *scmd; 13090 sata_pkt_txlate_t *spx; 13091 int rval; 13092 13093 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 13094 spx->txlt_sata_hba_inst = sata_hba_inst; 13095 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 13096 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 13097 if (spkt == NULL) { 13098 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13099 return (-1); 13100 } 13101 /* address is needed now */ 13102 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13103 13104 13105 /* Fill sata_pkt */ 13106 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13107 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 13108 /* Synchronous mode, no callback */ 13109 spkt->satapkt_comp = NULL; 13110 /* Timeout 30s */ 13111 spkt->satapkt_time = sata_default_pkt_time; 13112 13113 scmd = &spkt->satapkt_cmd; 13114 scmd->satacmd_flags.sata_special_regs = B_TRUE; 13115 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 13116 13117 /* Set up which registers need to be returned */ 13118 scmd->satacmd_flags.sata_copy_out_lba_mid_lsb = B_TRUE; 13119 scmd->satacmd_flags.sata_copy_out_lba_high_lsb = B_TRUE; 13120 13121 /* Build SMART_RETURN_STATUS cmd in the sata_pkt */ 13122 scmd->satacmd_addr_type = 0; /* N/A */ 13123 scmd->satacmd_sec_count_lsb = 0; /* N/A */ 13124 scmd->satacmd_lba_low_lsb = 0; /* N/A */ 13125 scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; 13126 scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; 13127 scmd->satacmd_features_reg = SATA_SMART_RETURN_STATUS; 13128 scmd->satacmd_device_reg = 0; /* Always device 0 */ 13129 scmd->satacmd_cmd_reg = SATAC_SMART; 13130 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 13131 sdinfo->satadrv_addr.cport))); 13132 13133 13134 /* Send pkt to SATA HBA driver */ 13135 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 13136 SATA_TRAN_ACCEPTED || 13137 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 13138 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13139 sdinfo->satadrv_addr.cport))); 13140 /* 13141 * Whoops, no SMART RETURN STATUS 13142 */ 13143 rval = -1; 13144 } else { 13145 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13146 sdinfo->satadrv_addr.cport))); 13147 if (scmd->satacmd_error_reg & SATA_ERROR_ABORT) { 13148 rval = -1; 13149 goto fail; 13150 } 13151 if (scmd->satacmd_status_reg & SATA_STATUS_ERR) { 13152 rval = -1; 13153 goto fail; 13154 } 13155 if ((scmd->satacmd_lba_mid_lsb == SMART_MAGIC_VAL_1) && 13156 (scmd->satacmd_lba_high_lsb == SMART_MAGIC_VAL_2)) 13157 rval = 0; 13158 else if ((scmd->satacmd_lba_mid_lsb == SMART_MAGIC_VAL_3) && 13159 (scmd->satacmd_lba_high_lsb == SMART_MAGIC_VAL_4)) 13160 rval = 1; 13161 else { 13162 rval = -1; 13163 goto fail; 13164 } 13165 } 13166 fail: 13167 /* Free allocated resources */ 13168 sata_pkt_free(spx); 13169 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13170 13171 return (rval); 13172 } 13173 13174 /* 13175 * 13176 * Returns 0 if succeeded, -1 otherwise 13177 * 13178 * Cannot be called in an interrupt context. 13179 * 13180 */ 13181 static int 13182 sata_fetch_smart_data( 13183 sata_hba_inst_t *sata_hba_inst, 13184 sata_drive_info_t *sdinfo, 13185 struct smart_data *smart_data) 13186 { 13187 sata_pkt_t *spkt; 13188 sata_cmd_t *scmd; 13189 sata_pkt_txlate_t *spx; 13190 int rval; 13191 13192 #if ! defined(lint) 13193 ASSERT(sizeof (struct smart_data) == 512); 13194 #endif 13195 13196 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 13197 spx->txlt_sata_hba_inst = sata_hba_inst; 13198 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 13199 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 13200 if (spkt == NULL) { 13201 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13202 return (-1); 13203 } 13204 /* address is needed now */ 13205 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13206 13207 13208 /* Fill sata_pkt */ 13209 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13210 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 13211 /* Synchronous mode, no callback */ 13212 spkt->satapkt_comp = NULL; 13213 /* Timeout 30s */ 13214 spkt->satapkt_time = sata_default_pkt_time; 13215 13216 scmd = &spkt->satapkt_cmd; 13217 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 13218 13219 /* 13220 * Allocate buffer for SMART data 13221 */ 13222 scmd->satacmd_bp = sata_alloc_local_buffer(spx, 13223 sizeof (struct smart_data)); 13224 if (scmd->satacmd_bp == NULL) { 13225 sata_pkt_free(spx); 13226 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13227 SATA_LOG_D((sata_hba_inst, CE_WARN, 13228 "sata_fetch_smart_data: " 13229 "cannot allocate buffer")); 13230 return (-1); 13231 } 13232 13233 13234 /* Build SMART_READ_DATA cmd in the sata_pkt */ 13235 scmd->satacmd_addr_type = 0; /* N/A */ 13236 scmd->satacmd_sec_count_lsb = 0; /* N/A */ 13237 scmd->satacmd_lba_low_lsb = 0; /* N/A */ 13238 scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; 13239 scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; 13240 scmd->satacmd_features_reg = SATA_SMART_READ_DATA; 13241 scmd->satacmd_device_reg = 0; /* Always device 0 */ 13242 scmd->satacmd_cmd_reg = SATAC_SMART; 13243 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 13244 sdinfo->satadrv_addr.cport))); 13245 13246 /* Send pkt to SATA HBA driver */ 13247 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 13248 SATA_TRAN_ACCEPTED || 13249 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 13250 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13251 sdinfo->satadrv_addr.cport))); 13252 /* 13253 * Whoops, no SMART DATA available 13254 */ 13255 rval = -1; 13256 goto fail; 13257 } else { 13258 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13259 sdinfo->satadrv_addr.cport))); 13260 if (spx->txlt_buf_dma_handle != NULL) { 13261 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 13262 DDI_DMA_SYNC_FORKERNEL); 13263 ASSERT(rval == DDI_SUCCESS); 13264 } 13265 bcopy(scmd->satacmd_bp->b_un.b_addr, (uint8_t *)smart_data, 13266 sizeof (struct smart_data)); 13267 } 13268 13269 fail: 13270 /* Free allocated resources */ 13271 sata_free_local_buffer(spx); 13272 sata_pkt_free(spx); 13273 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13274 13275 return (rval); 13276 } 13277 13278 /* 13279 * Used by LOG SENSE page 0x10 13280 * Reads (in synchronous mode) the self test log data using Read Log Ext cmd. 13281 * Note: cannot be called in the interrupt context. 13282 * 13283 * return 0 for success, -1 otherwise 13284 * 13285 */ 13286 static int 13287 sata_ext_smart_selftest_read_log( 13288 sata_hba_inst_t *sata_hba_inst, 13289 sata_drive_info_t *sdinfo, 13290 struct smart_ext_selftest_log *ext_selftest_log, 13291 uint16_t block_num) 13292 { 13293 sata_pkt_txlate_t *spx; 13294 sata_pkt_t *spkt; 13295 sata_cmd_t *scmd; 13296 int rval; 13297 13298 #if ! defined(lint) 13299 ASSERT(sizeof (struct smart_ext_selftest_log) == 512); 13300 #endif 13301 13302 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 13303 spx->txlt_sata_hba_inst = sata_hba_inst; 13304 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 13305 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 13306 if (spkt == NULL) { 13307 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13308 return (-1); 13309 } 13310 /* address is needed now */ 13311 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13312 13313 13314 /* Fill sata_pkt */ 13315 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13316 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 13317 /* Synchronous mode, no callback */ 13318 spkt->satapkt_comp = NULL; 13319 /* Timeout 30s */ 13320 spkt->satapkt_time = sata_default_pkt_time; 13321 13322 scmd = &spkt->satapkt_cmd; 13323 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 13324 13325 /* 13326 * Allocate buffer for SMART extended self-test log 13327 */ 13328 scmd->satacmd_bp = sata_alloc_local_buffer(spx, 13329 sizeof (struct smart_ext_selftest_log)); 13330 if (scmd->satacmd_bp == NULL) { 13331 sata_pkt_free(spx); 13332 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13333 SATA_LOG_D((sata_hba_inst, CE_WARN, 13334 "sata_ext_smart_selftest_log: " 13335 "cannot allocate buffer")); 13336 return (-1); 13337 } 13338 13339 /* Build READ LOG EXT w/ extended self-test log cmd in the sata_pkt */ 13340 scmd->satacmd_addr_type = ATA_ADDR_LBA48; 13341 scmd->satacmd_sec_count_lsb = 1; /* One sector of selftest log */ 13342 scmd->satacmd_sec_count_msb = 0; /* One sector of selftest log */ 13343 scmd->satacmd_lba_low_lsb = EXT_SMART_SELFTEST_LOG_PAGE; 13344 scmd->satacmd_lba_low_msb = 0; 13345 scmd->satacmd_lba_mid_lsb = block_num & 0xff; 13346 scmd->satacmd_lba_mid_msb = block_num >> 8; 13347 scmd->satacmd_device_reg = 0; /* Always device 0 */ 13348 scmd->satacmd_cmd_reg = SATAC_READ_LOG_EXT; 13349 13350 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 13351 sdinfo->satadrv_addr.cport))); 13352 13353 /* Send pkt to SATA HBA driver */ 13354 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 13355 SATA_TRAN_ACCEPTED || 13356 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 13357 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13358 sdinfo->satadrv_addr.cport))); 13359 13360 /* 13361 * Whoops, no SMART selftest log info available 13362 */ 13363 rval = -1; 13364 goto fail; 13365 } else { 13366 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13367 sdinfo->satadrv_addr.cport))); 13368 13369 if (spx->txlt_buf_dma_handle != NULL) { 13370 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 13371 DDI_DMA_SYNC_FORKERNEL); 13372 ASSERT(rval == DDI_SUCCESS); 13373 } 13374 bcopy(scmd->satacmd_bp->b_un.b_addr, 13375 (uint8_t *)ext_selftest_log, 13376 sizeof (struct smart_ext_selftest_log)); 13377 rval = 0; 13378 } 13379 13380 fail: 13381 /* Free allocated resources */ 13382 sata_free_local_buffer(spx); 13383 sata_pkt_free(spx); 13384 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13385 13386 return (rval); 13387 } 13388 13389 /* 13390 * Returns 0 for success, -1 otherwise 13391 * 13392 * SMART self-test log data is returned in buffer pointed to by selftest_log 13393 */ 13394 static int 13395 sata_smart_selftest_log( 13396 sata_hba_inst_t *sata_hba_inst, 13397 sata_drive_info_t *sdinfo, 13398 struct smart_selftest_log *selftest_log) 13399 { 13400 sata_pkt_t *spkt; 13401 sata_cmd_t *scmd; 13402 sata_pkt_txlate_t *spx; 13403 int rval; 13404 13405 #if ! defined(lint) 13406 ASSERT(sizeof (struct smart_selftest_log) == 512); 13407 #endif 13408 13409 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 13410 spx->txlt_sata_hba_inst = sata_hba_inst; 13411 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 13412 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 13413 if (spkt == NULL) { 13414 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13415 return (-1); 13416 } 13417 /* address is needed now */ 13418 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13419 13420 13421 /* Fill sata_pkt */ 13422 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13423 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 13424 /* Synchronous mode, no callback */ 13425 spkt->satapkt_comp = NULL; 13426 /* Timeout 30s */ 13427 spkt->satapkt_time = sata_default_pkt_time; 13428 13429 scmd = &spkt->satapkt_cmd; 13430 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 13431 13432 /* 13433 * Allocate buffer for SMART SELFTEST LOG 13434 */ 13435 scmd->satacmd_bp = sata_alloc_local_buffer(spx, 13436 sizeof (struct smart_selftest_log)); 13437 if (scmd->satacmd_bp == NULL) { 13438 sata_pkt_free(spx); 13439 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13440 SATA_LOG_D((sata_hba_inst, CE_WARN, 13441 "sata_smart_selftest_log: " 13442 "cannot allocate buffer")); 13443 return (-1); 13444 } 13445 13446 /* Build SMART_READ_LOG cmd in the sata_pkt */ 13447 scmd->satacmd_addr_type = 0; /* N/A */ 13448 scmd->satacmd_sec_count_lsb = 1; /* One sector of SMART log */ 13449 scmd->satacmd_lba_low_lsb = SMART_SELFTEST_LOG_PAGE; 13450 scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; 13451 scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; 13452 scmd->satacmd_features_reg = SATA_SMART_READ_LOG; 13453 scmd->satacmd_device_reg = 0; /* Always device 0 */ 13454 scmd->satacmd_cmd_reg = SATAC_SMART; 13455 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 13456 sdinfo->satadrv_addr.cport))); 13457 13458 /* Send pkt to SATA HBA driver */ 13459 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 13460 SATA_TRAN_ACCEPTED || 13461 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 13462 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13463 sdinfo->satadrv_addr.cport))); 13464 /* 13465 * Whoops, no SMART DATA available 13466 */ 13467 rval = -1; 13468 goto fail; 13469 } else { 13470 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13471 sdinfo->satadrv_addr.cport))); 13472 if (spx->txlt_buf_dma_handle != NULL) { 13473 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 13474 DDI_DMA_SYNC_FORKERNEL); 13475 ASSERT(rval == DDI_SUCCESS); 13476 } 13477 bcopy(scmd->satacmd_bp->b_un.b_addr, (uint8_t *)selftest_log, 13478 sizeof (struct smart_selftest_log)); 13479 rval = 0; 13480 } 13481 13482 fail: 13483 /* Free allocated resources */ 13484 sata_free_local_buffer(spx); 13485 sata_pkt_free(spx); 13486 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13487 13488 return (rval); 13489 } 13490 13491 13492 /* 13493 * Returns 0 for success, -1 otherwise 13494 * 13495 * SMART READ LOG data is returned in buffer pointed to by smart_log 13496 */ 13497 static int 13498 sata_smart_read_log( 13499 sata_hba_inst_t *sata_hba_inst, 13500 sata_drive_info_t *sdinfo, 13501 uint8_t *smart_log, /* where the data should be returned */ 13502 uint8_t which_log, /* which log should be returned */ 13503 uint8_t log_size) /* # of 512 bytes in log */ 13504 { 13505 sata_pkt_t *spkt; 13506 sata_cmd_t *scmd; 13507 sata_pkt_txlate_t *spx; 13508 int rval; 13509 13510 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 13511 spx->txlt_sata_hba_inst = sata_hba_inst; 13512 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 13513 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 13514 if (spkt == NULL) { 13515 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13516 return (-1); 13517 } 13518 /* address is needed now */ 13519 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13520 13521 13522 /* Fill sata_pkt */ 13523 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13524 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 13525 /* Synchronous mode, no callback */ 13526 spkt->satapkt_comp = NULL; 13527 /* Timeout 30s */ 13528 spkt->satapkt_time = sata_default_pkt_time; 13529 13530 scmd = &spkt->satapkt_cmd; 13531 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 13532 13533 /* 13534 * Allocate buffer for SMART READ LOG 13535 */ 13536 scmd->satacmd_bp = sata_alloc_local_buffer(spx, log_size * 512); 13537 if (scmd->satacmd_bp == NULL) { 13538 sata_pkt_free(spx); 13539 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13540 SATA_LOG_D((sata_hba_inst, CE_WARN, 13541 "sata_smart_read_log: " "cannot allocate buffer")); 13542 return (-1); 13543 } 13544 13545 /* Build SMART_READ_LOG cmd in the sata_pkt */ 13546 scmd->satacmd_addr_type = 0; /* N/A */ 13547 scmd->satacmd_sec_count_lsb = log_size; /* what the caller asked for */ 13548 scmd->satacmd_lba_low_lsb = which_log; /* which log page */ 13549 scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; 13550 scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; 13551 scmd->satacmd_features_reg = SATA_SMART_READ_LOG; 13552 scmd->satacmd_device_reg = 0; /* Always device 0 */ 13553 scmd->satacmd_cmd_reg = SATAC_SMART; 13554 13555 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 13556 sdinfo->satadrv_addr.cport))); 13557 13558 /* Send pkt to SATA HBA driver */ 13559 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 13560 SATA_TRAN_ACCEPTED || 13561 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 13562 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13563 sdinfo->satadrv_addr.cport))); 13564 13565 /* 13566 * Whoops, no SMART DATA available 13567 */ 13568 rval = -1; 13569 goto fail; 13570 } else { 13571 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13572 sdinfo->satadrv_addr.cport))); 13573 13574 if (spx->txlt_buf_dma_handle != NULL) { 13575 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 13576 DDI_DMA_SYNC_FORKERNEL); 13577 ASSERT(rval == DDI_SUCCESS); 13578 } 13579 bcopy(scmd->satacmd_bp->b_un.b_addr, smart_log, log_size * 512); 13580 rval = 0; 13581 } 13582 13583 fail: 13584 /* Free allocated resources */ 13585 sata_free_local_buffer(spx); 13586 sata_pkt_free(spx); 13587 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13588 13589 return (rval); 13590 } 13591 13592 /* 13593 * Used by LOG SENSE page 0x10 13594 * 13595 * return 0 for success, -1 otherwise 13596 * 13597 */ 13598 static int 13599 sata_read_log_ext_directory( 13600 sata_hba_inst_t *sata_hba_inst, 13601 sata_drive_info_t *sdinfo, 13602 struct read_log_ext_directory *logdir) 13603 { 13604 sata_pkt_txlate_t *spx; 13605 sata_pkt_t *spkt; 13606 sata_cmd_t *scmd; 13607 int rval; 13608 13609 #if ! defined(lint) 13610 ASSERT(sizeof (struct read_log_ext_directory) == 512); 13611 #endif 13612 13613 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 13614 spx->txlt_sata_hba_inst = sata_hba_inst; 13615 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 13616 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 13617 if (spkt == NULL) { 13618 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13619 return (-1); 13620 } 13621 13622 /* Fill sata_pkt */ 13623 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13624 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 13625 /* Synchronous mode, no callback */ 13626 spkt->satapkt_comp = NULL; 13627 /* Timeout 30s */ 13628 spkt->satapkt_time = sata_default_pkt_time; 13629 13630 scmd = &spkt->satapkt_cmd; 13631 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 13632 13633 /* 13634 * Allocate buffer for SMART READ LOG EXTENDED command 13635 */ 13636 scmd->satacmd_bp = sata_alloc_local_buffer(spx, 13637 sizeof (struct read_log_ext_directory)); 13638 if (scmd->satacmd_bp == NULL) { 13639 sata_pkt_free(spx); 13640 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13641 SATA_LOG_D((sata_hba_inst, CE_WARN, 13642 "sata_read_log_ext_directory: " 13643 "cannot allocate buffer")); 13644 return (-1); 13645 } 13646 13647 /* Build READ LOG EXT w/ log directory cmd in the sata_pkt */ 13648 scmd->satacmd_addr_type = ATA_ADDR_LBA48; 13649 scmd->satacmd_sec_count_lsb = 1; /* One sector of directory */ 13650 scmd->satacmd_sec_count_msb = 0; /* One sector of directory */ 13651 scmd->satacmd_lba_low_lsb = READ_LOG_EXT_LOG_DIRECTORY; 13652 scmd->satacmd_lba_low_msb = 0; 13653 scmd->satacmd_lba_mid_lsb = 0; 13654 scmd->satacmd_lba_mid_msb = 0; 13655 scmd->satacmd_device_reg = 0; /* Always device 0 */ 13656 scmd->satacmd_cmd_reg = SATAC_READ_LOG_EXT; 13657 13658 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 13659 sdinfo->satadrv_addr.cport))); 13660 13661 /* Send pkt to SATA HBA driver */ 13662 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 13663 SATA_TRAN_ACCEPTED || 13664 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 13665 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13666 sdinfo->satadrv_addr.cport))); 13667 /* 13668 * Whoops, no SMART selftest log info available 13669 */ 13670 rval = -1; 13671 goto fail; 13672 } else { 13673 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13674 sdinfo->satadrv_addr.cport))); 13675 if (spx->txlt_buf_dma_handle != NULL) { 13676 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 13677 DDI_DMA_SYNC_FORKERNEL); 13678 ASSERT(rval == DDI_SUCCESS); 13679 } 13680 bcopy(scmd->satacmd_bp->b_un.b_addr, (uint8_t *)logdir, 13681 sizeof (struct read_log_ext_directory)); 13682 rval = 0; 13683 } 13684 13685 fail: 13686 /* Free allocated resources */ 13687 sata_free_local_buffer(spx); 13688 sata_pkt_free(spx); 13689 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13690 13691 return (rval); 13692 } 13693 13694 /* 13695 * Set up error retrieval sata command for NCQ command error data 13696 * recovery. 13697 * 13698 * Returns SATA_SUCCESS when data buffer is allocated and packet set-up, 13699 * returns SATA_FAILURE otherwise. 13700 */ 13701 static int 13702 sata_ncq_err_ret_cmd_setup(sata_pkt_txlate_t *spx, sata_drive_info_t *sdinfo) 13703 { 13704 #ifndef __lock_lint 13705 _NOTE(ARGUNUSED(sdinfo)) 13706 #endif 13707 13708 sata_pkt_t *spkt = spx->txlt_sata_pkt; 13709 sata_cmd_t *scmd; 13710 struct buf *bp; 13711 13712 /* Operation modes are up to the caller */ 13713 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 13714 13715 /* Synchronous mode, no callback - may be changed by the caller */ 13716 spkt->satapkt_comp = NULL; 13717 spkt->satapkt_time = sata_default_pkt_time; 13718 13719 scmd = &spkt->satapkt_cmd; 13720 bcopy(&sata_rle_cmd, scmd, sizeof (sata_cmd_t)); 13721 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 13722 13723 /* 13724 * Allocate dma_able buffer error data. 13725 * Buffer allocation will take care of buffer alignment and other DMA 13726 * attributes. 13727 */ 13728 bp = sata_alloc_local_buffer(spx, 13729 sizeof (struct sata_ncq_error_recovery_page)); 13730 if (bp == NULL) 13731 return (SATA_FAILURE); 13732 13733 bp_mapin(bp); /* make data buffer accessible */ 13734 scmd->satacmd_bp = bp; 13735 13736 /* 13737 * Set-up pointer to the buffer handle, so HBA can sync buffer 13738 * before accessing it. Handle is in usual place in translate struct. 13739 */ 13740 scmd->satacmd_err_ret_buf_handle = &spx->txlt_buf_dma_handle; 13741 13742 ASSERT(scmd->satacmd_num_dma_cookies != 0); 13743 ASSERT(scmd->satacmd_dma_cookie_list != NULL); 13744 13745 return (SATA_SUCCESS); 13746 } 13747 13748 /* 13749 * sata_xlate_errors() is used to translate (S)ATA error 13750 * information to SCSI information returned in the SCSI 13751 * packet. 13752 */ 13753 static void 13754 sata_xlate_errors(sata_pkt_txlate_t *spx) 13755 { 13756 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 13757 struct scsi_extended_sense *sense; 13758 13759 scsipkt->pkt_reason = CMD_INCOMPLETE; 13760 *scsipkt->pkt_scbp = STATUS_CHECK; 13761 sense = sata_arq_sense(spx); 13762 13763 switch (spx->txlt_sata_pkt->satapkt_reason) { 13764 case SATA_PKT_PORT_ERROR: 13765 /* 13766 * We have no device data. Assume no data transfered. 13767 */ 13768 sense->es_key = KEY_HARDWARE_ERROR; 13769 break; 13770 13771 case SATA_PKT_DEV_ERROR: 13772 if (spx->txlt_sata_pkt->satapkt_cmd.satacmd_status_reg & 13773 SATA_STATUS_ERR) { 13774 /* 13775 * determine dev error reason from error 13776 * reg content 13777 */ 13778 sata_decode_device_error(spx, sense); 13779 break; 13780 } 13781 /* No extended sense key - no info available */ 13782 break; 13783 13784 case SATA_PKT_TIMEOUT: 13785 scsipkt->pkt_reason = CMD_TIMEOUT; 13786 scsipkt->pkt_statistics |= STAT_TIMEOUT | STAT_DEV_RESET; 13787 /* No extended sense key */ 13788 break; 13789 13790 case SATA_PKT_ABORTED: 13791 scsipkt->pkt_reason = CMD_ABORTED; 13792 scsipkt->pkt_statistics |= STAT_ABORTED; 13793 /* No extended sense key */ 13794 break; 13795 13796 case SATA_PKT_RESET: 13797 /* 13798 * pkt aborted either by an explicit reset request from 13799 * a host, or due to error recovery 13800 */ 13801 scsipkt->pkt_reason = CMD_RESET; 13802 scsipkt->pkt_statistics |= STAT_DEV_RESET; 13803 break; 13804 13805 default: 13806 scsipkt->pkt_reason = CMD_TRAN_ERR; 13807 break; 13808 } 13809 } 13810 13811 13812 13813 13814 /* 13815 * Log sata message 13816 * dev pathname msg line preceeds the logged message. 13817 */ 13818 13819 static void 13820 sata_log(sata_hba_inst_t *sata_hba_inst, uint_t level, char *fmt, ...) 13821 { 13822 char pathname[128]; 13823 dev_info_t *dip; 13824 va_list ap; 13825 13826 mutex_enter(&sata_log_mutex); 13827 13828 va_start(ap, fmt); 13829 (void) vsprintf(sata_log_buf, fmt, ap); 13830 va_end(ap); 13831 13832 if (sata_hba_inst != NULL) { 13833 dip = SATA_DIP(sata_hba_inst); 13834 (void) ddi_pathname(dip, pathname); 13835 } else { 13836 pathname[0] = 0; 13837 } 13838 if (level == CE_CONT) { 13839 if (sata_debug_flags == 0) 13840 cmn_err(level, "?%s:\n %s\n", pathname, sata_log_buf); 13841 else 13842 cmn_err(level, "%s:\n %s\n", pathname, sata_log_buf); 13843 } else { 13844 if (level != CE_NOTE) { 13845 cmn_err(level, "%s:\n %s", pathname, sata_log_buf); 13846 } else if (sata_msg) { 13847 cmn_err(level, "%s:\n %s", pathname, 13848 sata_log_buf); 13849 } 13850 } 13851 13852 mutex_exit(&sata_log_mutex); 13853 } 13854 13855 13856 /* ******** Asynchronous HBA events handling & hotplugging support ******** */ 13857 13858 /* 13859 * Start or terminate the thread, depending on flag arg and current state 13860 */ 13861 static void 13862 sata_event_thread_control(int startstop) 13863 { 13864 static int sata_event_thread_terminating = 0; 13865 static int sata_event_thread_starting = 0; 13866 int i; 13867 13868 mutex_enter(&sata_event_mutex); 13869 13870 if (startstop == 0 && (sata_event_thread_starting == 1 || 13871 sata_event_thread_terminating == 1)) { 13872 mutex_exit(&sata_event_mutex); 13873 return; 13874 } 13875 if (startstop == 1 && sata_event_thread_starting == 1) { 13876 mutex_exit(&sata_event_mutex); 13877 return; 13878 } 13879 if (startstop == 1 && sata_event_thread_terminating == 1) { 13880 sata_event_thread_starting = 1; 13881 /* wait til terminate operation completes */ 13882 i = SATA_EVNT_DAEMON_TERM_WAIT/SATA_EVNT_DAEMON_TERM_TIMEOUT; 13883 while (sata_event_thread_terminating == 1) { 13884 if (i-- <= 0) { 13885 sata_event_thread_starting = 0; 13886 mutex_exit(&sata_event_mutex); 13887 #ifdef SATA_DEBUG 13888 cmn_err(CE_WARN, "sata_event_thread_control: " 13889 "timeout waiting for thread to terminate"); 13890 #endif 13891 return; 13892 } 13893 mutex_exit(&sata_event_mutex); 13894 delay(drv_usectohz(SATA_EVNT_DAEMON_TERM_TIMEOUT)); 13895 mutex_enter(&sata_event_mutex); 13896 } 13897 } 13898 if (startstop == 1) { 13899 if (sata_event_thread == NULL) { 13900 sata_event_thread = thread_create(NULL, 0, 13901 (void (*)())sata_event_daemon, 13902 &sata_hba_list, 0, &p0, TS_RUN, minclsyspri); 13903 } 13904 sata_event_thread_starting = 0; 13905 mutex_exit(&sata_event_mutex); 13906 return; 13907 } 13908 13909 /* 13910 * If we got here, thread may need to be terminated 13911 */ 13912 if (sata_event_thread != NULL) { 13913 int i; 13914 /* Signal event thread to go away */ 13915 sata_event_thread_terminating = 1; 13916 sata_event_thread_terminate = 1; 13917 cv_signal(&sata_event_cv); 13918 /* 13919 * Wait til daemon terminates. 13920 */ 13921 i = SATA_EVNT_DAEMON_TERM_WAIT/SATA_EVNT_DAEMON_TERM_TIMEOUT; 13922 while (sata_event_thread_terminate == 1) { 13923 mutex_exit(&sata_event_mutex); 13924 if (i-- <= 0) { 13925 /* Daemon did not go away !!! */ 13926 #ifdef SATA_DEBUG 13927 cmn_err(CE_WARN, "sata_event_thread_control: " 13928 "cannot terminate event daemon thread"); 13929 #endif 13930 mutex_enter(&sata_event_mutex); 13931 break; 13932 } 13933 delay(drv_usectohz(SATA_EVNT_DAEMON_TERM_TIMEOUT)); 13934 mutex_enter(&sata_event_mutex); 13935 } 13936 sata_event_thread_terminating = 0; 13937 } 13938 ASSERT(sata_event_thread_terminating == 0); 13939 ASSERT(sata_event_thread_starting == 0); 13940 mutex_exit(&sata_event_mutex); 13941 } 13942 13943 13944 /* 13945 * SATA HBA event notification function. 13946 * Events reported by SATA HBA drivers per HBA instance relate to a change in 13947 * a port and/or device state or a controller itself. 13948 * Events for different addresses/addr types cannot be combined. 13949 * A warning message is generated for each event type. 13950 * Events are not processed by this function, so only the 13951 * event flag(s)is set for an affected entity and the event thread is 13952 * waken up. Event daemon thread processes all events. 13953 * 13954 * NOTE: Since more than one event may be reported at the same time, one 13955 * cannot determine a sequence of events when opposite event are reported, eg. 13956 * LINK_LOST and LINK_ESTABLISHED. Actual port status during event processing 13957 * is taking precedence over reported events, i.e. may cause ignoring some 13958 * events. 13959 */ 13960 #define SATA_EVENT_MAX_MSG_LENGTH 79 13961 13962 void 13963 sata_hba_event_notify(dev_info_t *dip, sata_device_t *sata_device, int event) 13964 { 13965 sata_hba_inst_t *sata_hba_inst = NULL; 13966 sata_address_t *saddr; 13967 sata_drive_info_t *sdinfo; 13968 sata_port_stats_t *pstats; 13969 sata_cport_info_t *cportinfo; 13970 sata_pmport_info_t *pmportinfo; 13971 int cport, pmport; 13972 char buf1[SATA_EVENT_MAX_MSG_LENGTH + 1]; 13973 char buf2[SATA_EVENT_MAX_MSG_LENGTH + 1]; 13974 char *lcp; 13975 static char *err_msg_evnt_1 = 13976 "sata_hba_event_notify: invalid port event 0x%x "; 13977 static char *err_msg_evnt_2 = 13978 "sata_hba_event_notify: invalid device event 0x%x "; 13979 int linkevent; 13980 13981 /* 13982 * There is a possibility that an event will be generated on HBA 13983 * that has not completed attachment or is detaching. We still want 13984 * to process events until HBA is detached. 13985 */ 13986 mutex_enter(&sata_mutex); 13987 for (sata_hba_inst = sata_hba_list; sata_hba_inst != NULL; 13988 sata_hba_inst = sata_hba_inst->satahba_next) { 13989 if (SATA_DIP(sata_hba_inst) == dip) 13990 if (sata_hba_inst->satahba_attached == 1) 13991 break; 13992 } 13993 mutex_exit(&sata_mutex); 13994 if (sata_hba_inst == NULL) 13995 /* HBA not attached */ 13996 return; 13997 13998 ASSERT(sata_device != NULL); 13999 14000 /* 14001 * Validate address before - do not proceed with invalid address. 14002 */ 14003 saddr = &sata_device->satadev_addr; 14004 if (saddr->cport >= SATA_NUM_CPORTS(sata_hba_inst)) 14005 return; 14006 if (saddr->qual == SATA_ADDR_PMPORT || 14007 saddr->qual == SATA_ADDR_DPMPORT) 14008 /* Port Multiplier not supported yet */ 14009 return; 14010 14011 cport = saddr->cport; 14012 pmport = saddr->pmport; 14013 14014 buf1[0] = buf2[0] = '\0'; 14015 14016 /* 14017 * If event relates to port or device, check port state. 14018 * Port has to be initialized, or we cannot accept an event. 14019 */ 14020 if ((saddr->qual & (SATA_ADDR_CPORT | SATA_ADDR_PMPORT | 14021 SATA_ADDR_DCPORT | SATA_ADDR_DPMPORT)) != 0) { 14022 if ((saddr->qual & (SATA_ADDR_CPORT | SATA_ADDR_DCPORT)) != 0) { 14023 mutex_enter(&sata_hba_inst->satahba_mutex); 14024 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 14025 mutex_exit(&sata_hba_inst->satahba_mutex); 14026 if (cportinfo == NULL || cportinfo->cport_state == 0) 14027 return; 14028 } else { 14029 mutex_enter(&sata_hba_inst->satahba_mutex); 14030 pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, 14031 cport, pmport); 14032 mutex_exit(&sata_hba_inst->satahba_mutex); 14033 if (pmportinfo == NULL || pmportinfo->pmport_state == 0) 14034 return; 14035 } 14036 } 14037 14038 /* 14039 * Events refer to devices, ports and controllers - each has 14040 * unique address. Events for different addresses cannot be combined. 14041 */ 14042 if (saddr->qual & (SATA_ADDR_CPORT | SATA_ADDR_PMPORT)) { 14043 14044 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 14045 14046 /* qualify this event(s) */ 14047 if ((event & SATA_EVNT_PORT_EVENTS) == 0) { 14048 /* Invalid event for the device port */ 14049 (void) sprintf(buf2, err_msg_evnt_1, 14050 event & SATA_EVNT_PORT_EVENTS); 14051 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 14052 goto event_info; 14053 } 14054 if (saddr->qual == SATA_ADDR_CPORT) { 14055 /* Controller's device port event */ 14056 14057 (SATA_CPORT_INFO(sata_hba_inst, cport))-> 14058 cport_event_flags |= 14059 event & SATA_EVNT_PORT_EVENTS; 14060 pstats = 14061 &(SATA_CPORT_INFO(sata_hba_inst, cport))-> 14062 cport_stats; 14063 } else { 14064 /* Port multiplier's device port event */ 14065 (SATA_PMPORT_INFO(sata_hba_inst, cport, pmport))-> 14066 pmport_event_flags |= 14067 event & SATA_EVNT_PORT_EVENTS; 14068 pstats = 14069 &(SATA_PMPORT_INFO(sata_hba_inst, cport, pmport))-> 14070 pmport_stats; 14071 } 14072 14073 /* 14074 * Add to statistics and log the message. We have to do it 14075 * here rather than in the event daemon, because there may be 14076 * multiple events occuring before they are processed. 14077 */ 14078 linkevent = event & 14079 (SATA_EVNT_LINK_LOST | SATA_EVNT_LINK_ESTABLISHED); 14080 if (linkevent) { 14081 if (linkevent == (SATA_EVNT_LINK_LOST | 14082 SATA_EVNT_LINK_ESTABLISHED)) { 14083 /* This is likely event combination */ 14084 (void) strlcat(buf1, "link lost/established, ", 14085 SATA_EVENT_MAX_MSG_LENGTH); 14086 14087 if (pstats->link_lost < 0xffffffffffffffffULL) 14088 pstats->link_lost++; 14089 if (pstats->link_established < 14090 0xffffffffffffffffULL) 14091 pstats->link_established++; 14092 linkevent = 0; 14093 } else if (linkevent & SATA_EVNT_LINK_LOST) { 14094 (void) strlcat(buf1, "link lost, ", 14095 SATA_EVENT_MAX_MSG_LENGTH); 14096 14097 if (pstats->link_lost < 0xffffffffffffffffULL) 14098 pstats->link_lost++; 14099 } else { 14100 (void) strlcat(buf1, "link established, ", 14101 SATA_EVENT_MAX_MSG_LENGTH); 14102 if (pstats->link_established < 14103 0xffffffffffffffffULL) 14104 pstats->link_established++; 14105 } 14106 } 14107 if (event & SATA_EVNT_DEVICE_ATTACHED) { 14108 (void) strlcat(buf1, "device attached, ", 14109 SATA_EVENT_MAX_MSG_LENGTH); 14110 if (pstats->device_attached < 0xffffffffffffffffULL) 14111 pstats->device_attached++; 14112 } 14113 if (event & SATA_EVNT_DEVICE_DETACHED) { 14114 (void) strlcat(buf1, "device detached, ", 14115 SATA_EVENT_MAX_MSG_LENGTH); 14116 if (pstats->device_detached < 0xffffffffffffffffULL) 14117 pstats->device_detached++; 14118 } 14119 if (event & SATA_EVNT_PWR_LEVEL_CHANGED) { 14120 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 14121 "port %d power level changed", cport); 14122 if (pstats->port_pwr_changed < 0xffffffffffffffffULL) 14123 pstats->port_pwr_changed++; 14124 } 14125 14126 if ((event & ~SATA_EVNT_PORT_EVENTS) != 0) { 14127 /* There should be no other events for this address */ 14128 (void) sprintf(buf2, err_msg_evnt_1, 14129 event & ~SATA_EVNT_PORT_EVENTS); 14130 } 14131 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 14132 14133 } else if (saddr->qual & (SATA_ADDR_DCPORT | SATA_ADDR_DPMPORT)) { 14134 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 14135 14136 /* qualify this event */ 14137 if ((event & SATA_EVNT_DEVICE_RESET) == 0) { 14138 /* Invalid event for a device */ 14139 (void) sprintf(buf2, err_msg_evnt_2, 14140 event & SATA_EVNT_DEVICE_RESET); 14141 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 14142 goto event_info; 14143 } 14144 /* drive event */ 14145 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 14146 if (sdinfo != NULL) { 14147 if (event & SATA_EVNT_DEVICE_RESET) { 14148 (void) strlcat(buf1, "device reset, ", 14149 SATA_EVENT_MAX_MSG_LENGTH); 14150 if (sdinfo->satadrv_stats.drive_reset < 14151 0xffffffffffffffffULL) 14152 sdinfo->satadrv_stats.drive_reset++; 14153 sdinfo->satadrv_event_flags |= 14154 SATA_EVNT_DEVICE_RESET; 14155 } 14156 } 14157 if ((event & ~SATA_EVNT_DEVICE_RESET) != 0) { 14158 /* Invalid event for a device */ 14159 (void) sprintf(buf2, err_msg_evnt_2, 14160 event & ~SATA_EVNT_DRIVE_EVENTS); 14161 } 14162 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 14163 } else { 14164 if (saddr->qual != SATA_ADDR_NULL) { 14165 /* Wrong address qualifier */ 14166 SATA_LOG_D((sata_hba_inst, CE_WARN, 14167 "sata_hba_event_notify: invalid address 0x%x", 14168 *(uint32_t *)saddr)); 14169 return; 14170 } 14171 if ((event & SATA_EVNT_CONTROLLER_EVENTS) == 0 || 14172 (event & ~SATA_EVNT_CONTROLLER_EVENTS) != 0) { 14173 /* Invalid event for the controller */ 14174 SATA_LOG_D((sata_hba_inst, CE_WARN, 14175 "sata_hba_event_notify: invalid event 0x%x for " 14176 "controller", 14177 event & SATA_EVNT_CONTROLLER_EVENTS)); 14178 return; 14179 } 14180 buf1[0] = '\0'; 14181 /* This may be a frequent and not interesting event */ 14182 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 14183 "controller power level changed\n", NULL); 14184 14185 mutex_enter(&sata_hba_inst->satahba_mutex); 14186 if (sata_hba_inst->satahba_stats.ctrl_pwr_change < 14187 0xffffffffffffffffULL) 14188 sata_hba_inst->satahba_stats.ctrl_pwr_change++; 14189 14190 sata_hba_inst->satahba_event_flags |= 14191 SATA_EVNT_PWR_LEVEL_CHANGED; 14192 mutex_exit(&sata_hba_inst->satahba_mutex); 14193 } 14194 /* 14195 * If we got here, there is something to do with this HBA 14196 * instance. 14197 */ 14198 mutex_enter(&sata_hba_inst->satahba_mutex); 14199 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 14200 mutex_exit(&sata_hba_inst->satahba_mutex); 14201 mutex_enter(&sata_mutex); 14202 sata_event_pending |= SATA_EVNT_MAIN; /* global event indicator */ 14203 mutex_exit(&sata_mutex); 14204 14205 /* Tickle event thread */ 14206 mutex_enter(&sata_event_mutex); 14207 if (sata_event_thread_active == 0) 14208 cv_signal(&sata_event_cv); 14209 mutex_exit(&sata_event_mutex); 14210 14211 event_info: 14212 if (buf1[0] != '\0') { 14213 lcp = strrchr(buf1, ','); 14214 if (lcp != NULL) 14215 *lcp = '\0'; 14216 } 14217 if (saddr->qual == SATA_ADDR_CPORT || 14218 saddr->qual == SATA_ADDR_DCPORT) { 14219 if (buf1[0] != '\0') { 14220 sata_log(sata_hba_inst, CE_NOTE, "port %d: %s\n", 14221 cport, buf1); 14222 } 14223 if (buf2[0] != '\0') { 14224 sata_log(sata_hba_inst, CE_NOTE, "port %d: %s\n", 14225 cport, buf2); 14226 } 14227 } else if (saddr->qual == SATA_ADDR_PMPORT || 14228 saddr->qual == SATA_ADDR_DPMPORT) { 14229 if (buf1[0] != '\0') { 14230 sata_log(sata_hba_inst, CE_NOTE, 14231 "port %d pmport %d: %s\n", cport, pmport, buf1); 14232 } 14233 if (buf2[0] != '\0') { 14234 sata_log(sata_hba_inst, CE_NOTE, 14235 "port %d pmport %d: %s\n", cport, pmport, buf2); 14236 } 14237 } 14238 } 14239 14240 14241 /* 14242 * Event processing thread. 14243 * Arg is a pointer to the sata_hba_list pointer. 14244 * It is not really needed, because sata_hba_list is global and static 14245 */ 14246 static void 14247 sata_event_daemon(void *arg) 14248 { 14249 #ifndef __lock_lint 14250 _NOTE(ARGUNUSED(arg)) 14251 #endif 14252 sata_hba_inst_t *sata_hba_inst; 14253 clock_t lbolt; 14254 14255 SATADBG1(SATA_DBG_EVENTS_DAEMON, NULL, 14256 "SATA event daemon started\n", NULL); 14257 loop: 14258 /* 14259 * Process events here. Walk through all registered HBAs 14260 */ 14261 mutex_enter(&sata_mutex); 14262 for (sata_hba_inst = sata_hba_list; sata_hba_inst != NULL; 14263 sata_hba_inst = sata_hba_inst->satahba_next) { 14264 ASSERT(sata_hba_inst != NULL); 14265 mutex_enter(&sata_hba_inst->satahba_mutex); 14266 if (sata_hba_inst->satahba_attached == 0 || 14267 (sata_hba_inst->satahba_event_flags & 14268 SATA_EVNT_SKIP) != 0) { 14269 mutex_exit(&sata_hba_inst->satahba_mutex); 14270 continue; 14271 } 14272 if (sata_hba_inst->satahba_event_flags & SATA_EVNT_MAIN) { 14273 sata_hba_inst->satahba_event_flags |= SATA_EVNT_SKIP; 14274 mutex_exit(&sata_hba_inst->satahba_mutex); 14275 mutex_exit(&sata_mutex); 14276 /* Got the controller with pending event */ 14277 sata_process_controller_events(sata_hba_inst); 14278 /* 14279 * Since global mutex was released, there is a 14280 * possibility that HBA list has changed, so start 14281 * over from the top. Just processed controller 14282 * will be passed-over because of the SKIP flag. 14283 */ 14284 goto loop; 14285 } 14286 mutex_exit(&sata_hba_inst->satahba_mutex); 14287 } 14288 /* Clear SKIP flag in all controllers */ 14289 for (sata_hba_inst = sata_hba_list; sata_hba_inst != NULL; 14290 sata_hba_inst = sata_hba_inst->satahba_next) { 14291 mutex_enter(&sata_hba_inst->satahba_mutex); 14292 sata_hba_inst->satahba_event_flags &= ~SATA_EVNT_SKIP; 14293 mutex_exit(&sata_hba_inst->satahba_mutex); 14294 } 14295 mutex_exit(&sata_mutex); 14296 14297 SATADBG1(SATA_DBG_EVENTS_DAEMON, NULL, 14298 "SATA EVENT DAEMON suspending itself", NULL); 14299 14300 #ifdef SATA_DEBUG 14301 if ((sata_func_enable & SATA_ENABLE_PROCESS_EVENTS) == 0) { 14302 sata_log(sata_hba_inst, CE_WARN, 14303 "SATA EVENTS PROCESSING DISABLED\n"); 14304 thread_exit(); /* Daemon will not run again */ 14305 } 14306 #endif 14307 mutex_enter(&sata_event_mutex); 14308 sata_event_thread_active = 0; 14309 mutex_exit(&sata_event_mutex); 14310 /* 14311 * Go to sleep/suspend itself and wake up either because new event or 14312 * wait timeout. Exit if there is a termination request (driver 14313 * unload). 14314 */ 14315 do { 14316 lbolt = ddi_get_lbolt(); 14317 lbolt += drv_usectohz(SATA_EVNT_DAEMON_SLEEP_TIME); 14318 mutex_enter(&sata_event_mutex); 14319 (void) cv_timedwait(&sata_event_cv, &sata_event_mutex, lbolt); 14320 14321 if (sata_event_thread_active != 0) { 14322 mutex_exit(&sata_event_mutex); 14323 continue; 14324 } 14325 14326 /* Check if it is time to go away */ 14327 if (sata_event_thread_terminate == 1) { 14328 /* 14329 * It is up to the thread setting above flag to make 14330 * sure that this thread is not killed prematurely. 14331 */ 14332 sata_event_thread_terminate = 0; 14333 sata_event_thread = NULL; 14334 mutex_exit(&sata_event_mutex); 14335 SATADBG1(SATA_DBG_EVENTS_DAEMON, NULL, 14336 "SATA_EVENT_DAEMON_TERMINATING", NULL); 14337 thread_exit(); { _NOTE(NOT_REACHED) } 14338 } 14339 mutex_exit(&sata_event_mutex); 14340 } while (!(sata_event_pending & SATA_EVNT_MAIN)); 14341 14342 mutex_enter(&sata_event_mutex); 14343 sata_event_thread_active = 1; 14344 mutex_exit(&sata_event_mutex); 14345 14346 mutex_enter(&sata_mutex); 14347 sata_event_pending &= ~SATA_EVNT_MAIN; 14348 mutex_exit(&sata_mutex); 14349 14350 SATADBG1(SATA_DBG_EVENTS_DAEMON, NULL, 14351 "SATA EVENT DAEMON READY TO PROCESS EVENT", NULL); 14352 14353 goto loop; 14354 } 14355 14356 /* 14357 * Specific HBA instance event processing. 14358 * 14359 * NOTE: At the moment, device event processing is limited to hard disks 14360 * only. 14361 * cports only are supported - no pmports. 14362 */ 14363 static void 14364 sata_process_controller_events(sata_hba_inst_t *sata_hba_inst) 14365 { 14366 int ncport; 14367 uint32_t event_flags; 14368 sata_address_t *saddr; 14369 sata_cport_info_t *cportinfo; 14370 14371 SATADBG1(SATA_DBG_EVENTS_CNTRL, sata_hba_inst, 14372 "Processing controller %d event(s)", 14373 ddi_get_instance(SATA_DIP(sata_hba_inst))); 14374 14375 mutex_enter(&sata_hba_inst->satahba_mutex); 14376 sata_hba_inst->satahba_event_flags &= ~SATA_EVNT_MAIN; 14377 event_flags = sata_hba_inst->satahba_event_flags; 14378 mutex_exit(&sata_hba_inst->satahba_mutex); 14379 /* 14380 * Process controller power change first 14381 * HERE 14382 */ 14383 if (event_flags & SATA_EVNT_PWR_LEVEL_CHANGED) 14384 sata_process_cntrl_pwr_level_change(sata_hba_inst); 14385 14386 /* 14387 * Search through ports/devices to identify affected port/device. 14388 * We may have to process events for more than one port/device. 14389 */ 14390 for (ncport = 0; ncport < SATA_NUM_CPORTS(sata_hba_inst); ncport++) { 14391 /* 14392 * Not all ports may be processed in attach by the time we 14393 * get an event. Check if port info is initialized. 14394 */ 14395 mutex_enter(&sata_hba_inst->satahba_mutex); 14396 cportinfo = SATA_CPORT_INFO(sata_hba_inst, ncport); 14397 mutex_exit(&sata_hba_inst->satahba_mutex); 14398 if (cportinfo == NULL || cportinfo->cport_state == NULL) 14399 continue; 14400 14401 /* We have initialized controller port info */ 14402 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); 14403 event_flags = (SATA_CPORT_INFO(sata_hba_inst, ncport))-> 14404 cport_event_flags; 14405 /* Check if port was locked by IOCTL processing */ 14406 if (event_flags & SATA_APCTL_LOCK_PORT_BUSY) { 14407 /* 14408 * We ignore port events because port is busy 14409 * with AP control processing. Set again 14410 * controller and main event flag, so that 14411 * events may be processed by the next daemon 14412 * run. 14413 */ 14414 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); 14415 mutex_enter(&sata_hba_inst->satahba_mutex); 14416 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 14417 mutex_exit(&sata_hba_inst->satahba_mutex); 14418 mutex_enter(&sata_mutex); 14419 sata_event_pending |= SATA_EVNT_MAIN; 14420 mutex_exit(&sata_mutex); 14421 SATADBG1(SATA_DBG_EVENTS_PROCPST, sata_hba_inst, 14422 "Event processing postponed until " 14423 "AP control processing completes", 14424 NULL); 14425 /* Check other ports */ 14426 continue; 14427 } else { 14428 /* 14429 * Set BSY flag so that AP control would not 14430 * interfere with events processing for 14431 * this port. 14432 */ 14433 (SATA_CPORT_INFO(sata_hba_inst, ncport))-> 14434 cport_event_flags |= SATA_EVNT_LOCK_PORT_BUSY; 14435 } 14436 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); 14437 14438 saddr = &(SATA_CPORT_INFO(sata_hba_inst, ncport))->cport_addr; 14439 14440 if ((event_flags & 14441 (SATA_EVNT_PORT_EVENTS | SATA_EVNT_DRIVE_EVENTS)) != 0) { 14442 /* 14443 * Got port event. 14444 * We need some hierarchy of event processing as they 14445 * are affecting each other: 14446 * 1. port failed 14447 * 2. device detached/attached 14448 * 3. link events - link events may trigger device 14449 * detached or device attached events in some 14450 * circumstances. 14451 * 4. port power level changed 14452 */ 14453 if (event_flags & SATA_EVNT_PORT_FAILED) { 14454 sata_process_port_failed_event(sata_hba_inst, 14455 saddr); 14456 } 14457 if (event_flags & SATA_EVNT_DEVICE_DETACHED) { 14458 sata_process_device_detached(sata_hba_inst, 14459 saddr); 14460 } 14461 if (event_flags & SATA_EVNT_DEVICE_ATTACHED) { 14462 sata_process_device_attached(sata_hba_inst, 14463 saddr); 14464 } 14465 if (event_flags & 14466 (SATA_EVNT_LINK_ESTABLISHED | 14467 SATA_EVNT_LINK_LOST)) { 14468 sata_process_port_link_events(sata_hba_inst, 14469 saddr); 14470 } 14471 if (event_flags & SATA_EVNT_PWR_LEVEL_CHANGED) { 14472 sata_process_port_pwr_change(sata_hba_inst, 14473 saddr); 14474 } 14475 if (event_flags & SATA_EVNT_TARGET_NODE_CLEANUP) { 14476 sata_process_target_node_cleanup( 14477 sata_hba_inst, saddr); 14478 } 14479 if (event_flags & SATA_EVNT_AUTOONLINE_DEVICE) { 14480 sata_process_device_autoonline( 14481 sata_hba_inst, saddr); 14482 } 14483 } 14484 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); 14485 if ((SATA_CPORT_DEV_TYPE(sata_hba_inst, ncport) != 14486 SATA_DTYPE_NONE) && 14487 (SATA_CPORT_DRV_INFO(sata_hba_inst, ncport) != NULL)) { 14488 if (SATA_CPORT_DRV_INFO(sata_hba_inst, ncport)-> 14489 satadrv_event_flags & 14490 (SATA_EVNT_DEVICE_RESET | 14491 SATA_EVNT_INPROC_DEVICE_RESET)) { 14492 /* Have device event */ 14493 sata_process_device_reset(sata_hba_inst, 14494 saddr); 14495 } 14496 } 14497 /* Release PORT_BUSY flag */ 14498 (SATA_CPORT_INFO(sata_hba_inst, ncport))-> 14499 cport_event_flags &= ~SATA_EVNT_LOCK_PORT_BUSY; 14500 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); 14501 14502 } /* End of loop through the controller SATA ports */ 14503 } 14504 14505 /* 14506 * Process HBA power level change reported by HBA driver. 14507 * Not implemented at this time - event is ignored. 14508 */ 14509 static void 14510 sata_process_cntrl_pwr_level_change(sata_hba_inst_t *sata_hba_inst) 14511 { 14512 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14513 "Processing controller power level change", NULL); 14514 14515 /* Ignoring it for now */ 14516 mutex_enter(&sata_hba_inst->satahba_mutex); 14517 sata_hba_inst->satahba_event_flags &= ~SATA_EVNT_PWR_LEVEL_CHANGED; 14518 mutex_exit(&sata_hba_inst->satahba_mutex); 14519 } 14520 14521 /* 14522 * Process port power level change reported by HBA driver. 14523 * Not implemented at this time - event is ignored. 14524 */ 14525 static void 14526 sata_process_port_pwr_change(sata_hba_inst_t *sata_hba_inst, 14527 sata_address_t *saddr) 14528 { 14529 sata_cport_info_t *cportinfo; 14530 14531 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14532 "Processing port power level change", NULL); 14533 14534 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 14535 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14536 /* Reset event flag */ 14537 cportinfo->cport_event_flags &= ~SATA_EVNT_PWR_LEVEL_CHANGED; 14538 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14539 } 14540 14541 /* 14542 * Process port failure reported by HBA driver. 14543 * cports support only - no pmports. 14544 */ 14545 static void 14546 sata_process_port_failed_event(sata_hba_inst_t *sata_hba_inst, 14547 sata_address_t *saddr) 14548 { 14549 sata_cport_info_t *cportinfo; 14550 14551 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 14552 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14553 /* Reset event flag first */ 14554 cportinfo->cport_event_flags &= ~SATA_EVNT_PORT_FAILED; 14555 /* If the port is in SHUTDOWN or FAILED state, ignore this event. */ 14556 if ((cportinfo->cport_state & 14557 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) == 0) { 14558 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 14559 cport_mutex); 14560 return; 14561 } 14562 /* Fail the port */ 14563 cportinfo->cport_state = SATA_PSTATE_FAILED; 14564 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14565 sata_log(sata_hba_inst, CE_WARN, "SATA port %d failed", saddr->cport); 14566 } 14567 14568 /* 14569 * Device Reset Event processing. 14570 * The seqeunce is managed by 3 stage flags: 14571 * - reset event reported, 14572 * - reset event being processed, 14573 * - request to clear device reset state. 14574 * 14575 * NOTE: This function has to be entered with cport mutex held. It exits with 14576 * mutex held as well, but can release mutex during the processing. 14577 */ 14578 static void 14579 sata_process_device_reset(sata_hba_inst_t *sata_hba_inst, 14580 sata_address_t *saddr) 14581 { 14582 sata_drive_info_t old_sdinfo; /* local copy of the drive info */ 14583 sata_drive_info_t *sdinfo; 14584 sata_cport_info_t *cportinfo; 14585 sata_device_t sata_device; 14586 int rval_probe, rval_set; 14587 14588 /* We only care about host sata cport for now */ 14589 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 14590 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, saddr->cport); 14591 /* 14592 * If the port is in SHUTDOWN or FAILED state, or device is in FAILED 14593 * state, ignore reset event. 14594 */ 14595 if (((cportinfo->cport_state & 14596 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) || 14597 (sdinfo->satadrv_state & SATA_DSTATE_FAILED) != 0) { 14598 sdinfo->satadrv_event_flags &= 14599 ~(SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET); 14600 return; 14601 } 14602 14603 if ((SATA_CPORT_DEV_TYPE(sata_hba_inst, saddr->cport) & 14604 SATA_VALID_DEV_TYPE) == 0) { 14605 /* 14606 * This should not happen - coding error. 14607 * But we can recover, so do not panic, just clean up 14608 * and if in debug mode, log the message. 14609 */ 14610 #ifdef SATA_DEBUG 14611 sata_log(sata_hba_inst, CE_WARN, 14612 "sata_process_device_reset: " 14613 "Invalid device type with sdinfo!", NULL); 14614 #endif 14615 sdinfo->satadrv_event_flags = 0; 14616 return; 14617 } 14618 14619 #ifdef SATA_DEBUG 14620 if ((sdinfo->satadrv_event_flags & 14621 (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) == 0) { 14622 /* Nothing to do */ 14623 /* Something is weird - why we are processing dev reset? */ 14624 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14625 "No device reset event!!!!", NULL); 14626 14627 return; 14628 } 14629 if ((sdinfo->satadrv_event_flags & 14630 (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) == 14631 (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) { 14632 /* Something is weird - new device reset event */ 14633 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14634 "Overlapping device reset events!", NULL); 14635 } 14636 #endif 14637 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14638 "Processing port %d device reset", saddr->cport); 14639 14640 /* Clear event flag */ 14641 sdinfo->satadrv_event_flags &= ~SATA_EVNT_DEVICE_RESET; 14642 14643 /* It seems that we always need to check the port state first */ 14644 sata_device.satadev_rev = SATA_DEVICE_REV; 14645 sata_device.satadev_addr = *saddr; 14646 /* 14647 * We have to exit mutex, because the HBA probe port function may 14648 * block on its own mutex. 14649 */ 14650 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14651 rval_probe = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 14652 (SATA_DIP(sata_hba_inst), &sata_device); 14653 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14654 sata_update_port_info(sata_hba_inst, &sata_device); 14655 if (rval_probe != SATA_SUCCESS) { 14656 /* Something went wrong? Fail the port */ 14657 cportinfo->cport_state = SATA_PSTATE_FAILED; 14658 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, saddr->cport); 14659 if (sdinfo != NULL) 14660 sdinfo->satadrv_event_flags = 0; 14661 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 14662 cport_mutex); 14663 SATA_LOG_D((sata_hba_inst, CE_WARN, 14664 "SATA port %d probing failed", 14665 saddr->cport)); 14666 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 14667 saddr->cport)->cport_mutex); 14668 return; 14669 } 14670 if ((sata_device.satadev_scr.sstatus & 14671 SATA_PORT_DEVLINK_UP_MASK) != 14672 SATA_PORT_DEVLINK_UP || 14673 sata_device.satadev_type == SATA_DTYPE_NONE) { 14674 /* 14675 * No device to process, anymore. Some other event processing 14676 * would or have already performed port info cleanup. 14677 * To be safe (HBA may need it), request clearing device 14678 * reset condition. 14679 */ 14680 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, saddr->cport); 14681 if (sdinfo != NULL) { 14682 sdinfo->satadrv_event_flags &= 14683 ~SATA_EVNT_INPROC_DEVICE_RESET; 14684 sdinfo->satadrv_event_flags |= 14685 SATA_EVNT_CLEAR_DEVICE_RESET; 14686 } 14687 return; 14688 } 14689 14690 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, saddr->cport); 14691 if (sdinfo == NULL) { 14692 return; 14693 } 14694 if ((sdinfo->satadrv_event_flags & 14695 SATA_EVNT_INPROC_DEVICE_RESET) == 0) { 14696 /* 14697 * Start tracking time for device feature restoration and 14698 * identification. Save current time (lbolt value). 14699 */ 14700 sdinfo->satadrv_reset_time = ddi_get_lbolt(); 14701 } 14702 /* Mark device reset processing as active */ 14703 sdinfo->satadrv_event_flags |= SATA_EVNT_INPROC_DEVICE_RESET; 14704 14705 old_sdinfo = *sdinfo; /* local copy of the drive info */ 14706 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14707 14708 rval_set = sata_set_drive_features(sata_hba_inst, &old_sdinfo, 1); 14709 14710 if (rval_set != SATA_SUCCESS) { 14711 /* 14712 * Restoring drive setting failed. 14713 * Probe the port first, to check if the port state has changed 14714 */ 14715 sata_device.satadev_rev = SATA_DEVICE_REV; 14716 sata_device.satadev_addr = *saddr; 14717 sata_device.satadev_addr.qual = SATA_ADDR_CPORT; 14718 /* probe port */ 14719 rval_probe = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 14720 (SATA_DIP(sata_hba_inst), &sata_device); 14721 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 14722 cport_mutex); 14723 if (rval_probe == SATA_SUCCESS && 14724 (sata_device.satadev_state & 14725 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) == 0 && 14726 (sata_device.satadev_scr.sstatus & 14727 SATA_PORT_DEVLINK_UP_MASK) == SATA_PORT_DEVLINK_UP && 14728 sata_device.satadev_type != SATA_DTYPE_NONE) { 14729 /* 14730 * We may retry this a bit later - in-process reset 14731 * condition should be already set. 14732 * Track retry time for device identification. 14733 */ 14734 if ((cportinfo->cport_dev_type & 14735 SATA_VALID_DEV_TYPE) != 0 && 14736 SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL && 14737 sdinfo->satadrv_reset_time != 0) { 14738 clock_t cur_time = ddi_get_lbolt(); 14739 /* 14740 * If the retry time limit was not 14741 * exceeded, retry. 14742 */ 14743 if ((cur_time - sdinfo->satadrv_reset_time) < 14744 drv_usectohz(SATA_DEV_REPROBE_TIMEOUT)) { 14745 mutex_enter( 14746 &sata_hba_inst->satahba_mutex); 14747 sata_hba_inst->satahba_event_flags |= 14748 SATA_EVNT_MAIN; 14749 mutex_exit( 14750 &sata_hba_inst->satahba_mutex); 14751 mutex_enter(&sata_mutex); 14752 sata_event_pending |= SATA_EVNT_MAIN; 14753 mutex_exit(&sata_mutex); 14754 return; 14755 } 14756 if (rval_set == SATA_RETRY) { 14757 /* 14758 * Setting drive features failed, but 14759 * the drive is still accessible, 14760 * so emit a warning message before 14761 * return. 14762 */ 14763 mutex_exit(&SATA_CPORT_INFO( 14764 sata_hba_inst, 14765 saddr->cport)->cport_mutex); 14766 goto done; 14767 } 14768 } 14769 /* Fail the drive */ 14770 sdinfo->satadrv_state = SATA_DSTATE_FAILED; 14771 14772 sata_log(sata_hba_inst, CE_WARN, 14773 "SATA device at port %d - device failed", 14774 saddr->cport); 14775 } 14776 /* 14777 * No point of retrying - device failed or some other event 14778 * processing or already did or will do port info cleanup. 14779 * To be safe (HBA may need it), 14780 * request clearing device reset condition. 14781 */ 14782 sdinfo->satadrv_event_flags |= SATA_EVNT_CLEAR_DEVICE_RESET; 14783 sdinfo->satadrv_event_flags &= ~SATA_EVNT_INPROC_DEVICE_RESET; 14784 sdinfo->satadrv_reset_time = 0; 14785 return; 14786 } 14787 done: 14788 /* 14789 * If setting of drive features failed, but the drive is still 14790 * accessible, emit a warning message. 14791 */ 14792 if (rval_set == SATA_RETRY) { 14793 sata_log(sata_hba_inst, CE_WARN, 14794 "SATA device at port %d - desired setting could not be " 14795 "restored after reset. Device may not operate as expected.", 14796 saddr->cport); 14797 } 14798 /* 14799 * Raise the flag indicating that the next sata command could 14800 * be sent with SATA_CLEAR_DEV_RESET_STATE flag, if no new device 14801 * reset is reported. 14802 */ 14803 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14804 if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { 14805 sdinfo->satadrv_reset_time = 0; 14806 if ((cportinfo->cport_dev_type & SATA_VALID_DEV_TYPE) != 0) { 14807 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 14808 sdinfo->satadrv_event_flags &= 14809 ~SATA_EVNT_INPROC_DEVICE_RESET; 14810 sdinfo->satadrv_event_flags |= 14811 SATA_EVNT_CLEAR_DEVICE_RESET; 14812 } 14813 } 14814 } 14815 14816 14817 /* 14818 * Port Link Events processing. 14819 * Every link established event may involve device reset (due to 14820 * COMRESET signal, equivalent of the hard reset) so arbitrarily 14821 * set device reset event for an attached device (if any). 14822 * If the port is in SHUTDOWN or FAILED state, ignore link events. 14823 * 14824 * The link established event processing varies, depending on the state 14825 * of the target node, HBA hotplugging capabilities, state of the port. 14826 * If the link is not active, the link established event is ignored. 14827 * If HBA cannot detect device attachment and there is no target node, 14828 * the link established event triggers device attach event processing. 14829 * Else, link established event triggers device reset event processing. 14830 * 14831 * The link lost event processing varies, depending on a HBA hotplugging 14832 * capability and the state of the port (link active or not active). 14833 * If the link is active, the lost link event is ignored. 14834 * If HBA cannot detect device removal, the lost link event triggers 14835 * device detached event processing after link lost timeout. 14836 * Else, the event is ignored. 14837 * 14838 * NOTE: Only cports are processed for now, i.e. no port multiplier ports 14839 */ 14840 static void 14841 sata_process_port_link_events(sata_hba_inst_t *sata_hba_inst, 14842 sata_address_t *saddr) 14843 { 14844 sata_device_t sata_device; 14845 sata_cport_info_t *cportinfo; 14846 sata_drive_info_t *sdinfo; 14847 uint32_t event_flags; 14848 int rval; 14849 14850 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14851 "Processing port %d link event(s)", saddr->cport); 14852 14853 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 14854 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14855 event_flags = cportinfo->cport_event_flags; 14856 14857 /* Reset event flags first */ 14858 cportinfo->cport_event_flags &= 14859 ~(SATA_EVNT_LINK_ESTABLISHED | SATA_EVNT_LINK_LOST); 14860 14861 /* If the port is in SHUTDOWN or FAILED state, ignore link events. */ 14862 if ((cportinfo->cport_state & 14863 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) { 14864 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 14865 cport_mutex); 14866 return; 14867 } 14868 14869 /* 14870 * For the sanity sake get current port state. 14871 * Set device address only. Other sata_device fields should be 14872 * set by HBA driver. 14873 */ 14874 sata_device.satadev_rev = SATA_DEVICE_REV; 14875 sata_device.satadev_addr = *saddr; 14876 /* 14877 * We have to exit mutex, because the HBA probe port function may 14878 * block on its own mutex. 14879 */ 14880 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14881 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 14882 (SATA_DIP(sata_hba_inst), &sata_device); 14883 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14884 sata_update_port_info(sata_hba_inst, &sata_device); 14885 if (rval != SATA_SUCCESS) { 14886 /* Something went wrong? Fail the port */ 14887 cportinfo->cport_state = SATA_PSTATE_FAILED; 14888 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 14889 cport_mutex); 14890 SATA_LOG_D((sata_hba_inst, CE_WARN, 14891 "SATA port %d probing failed", 14892 saddr->cport)); 14893 /* 14894 * We may want to release device info structure, but 14895 * it is not necessary. 14896 */ 14897 return; 14898 } else { 14899 /* port probed successfully */ 14900 cportinfo->cport_state |= SATA_STATE_PROBED | SATA_STATE_READY; 14901 } 14902 if (event_flags & SATA_EVNT_LINK_ESTABLISHED) { 14903 14904 if ((sata_device.satadev_scr.sstatus & 14905 SATA_PORT_DEVLINK_UP_MASK) != SATA_PORT_DEVLINK_UP) { 14906 /* Ignore event */ 14907 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14908 "Ignoring port %d link established event - " 14909 "link down", 14910 saddr->cport); 14911 goto linklost; 14912 } 14913 14914 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14915 "Processing port %d link established event", 14916 saddr->cport); 14917 14918 /* 14919 * For the sanity sake check if a device is attached - check 14920 * return state of a port probing. 14921 */ 14922 if (sata_device.satadev_type != SATA_DTYPE_NONE && 14923 sata_device.satadev_type != SATA_DTYPE_PMULT) { 14924 /* 14925 * HBA port probe indicated that there is a device 14926 * attached. Check if the framework had device info 14927 * structure attached for this device. 14928 */ 14929 if (cportinfo->cport_dev_type != SATA_DTYPE_NONE) { 14930 ASSERT(SATA_CPORTINFO_DRV_INFO(cportinfo) != 14931 NULL); 14932 14933 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 14934 if ((sdinfo->satadrv_type & 14935 SATA_VALID_DEV_TYPE) != 0) { 14936 /* 14937 * Dev info structure is present. 14938 * If dev_type is set to known type in 14939 * the framework's drive info struct 14940 * then the device existed before and 14941 * the link was probably lost 14942 * momentarily - in such case 14943 * we may want to check device 14944 * identity. 14945 * Identity check is not supported now. 14946 * 14947 * Link established event 14948 * triggers device reset event. 14949 */ 14950 (SATA_CPORTINFO_DRV_INFO(cportinfo))-> 14951 satadrv_event_flags |= 14952 SATA_EVNT_DEVICE_RESET; 14953 } 14954 } else if (cportinfo->cport_dev_type == 14955 SATA_DTYPE_NONE) { 14956 /* 14957 * We got new device attached! If HBA does not 14958 * generate device attached events, trigger it 14959 * here. 14960 */ 14961 if (!(SATA_FEATURES(sata_hba_inst) & 14962 SATA_CTLF_HOTPLUG)) { 14963 cportinfo->cport_event_flags |= 14964 SATA_EVNT_DEVICE_ATTACHED; 14965 } 14966 } 14967 /* Reset link lost timeout */ 14968 cportinfo->cport_link_lost_time = 0; 14969 } 14970 } 14971 linklost: 14972 if (event_flags & SATA_EVNT_LINK_LOST) { 14973 if ((sata_device.satadev_scr.sstatus & 14974 SATA_PORT_DEVLINK_UP_MASK) == SATA_PORT_DEVLINK_UP) { 14975 /* Ignore event */ 14976 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14977 "Ignoring port %d link lost event - link is up", 14978 saddr->cport); 14979 goto done; 14980 } 14981 #ifdef SATA_DEBUG 14982 if (cportinfo->cport_link_lost_time == 0) { 14983 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14984 "Processing port %d link lost event", 14985 saddr->cport); 14986 } 14987 #endif 14988 /* 14989 * When HBA cannot generate device attached/detached events, 14990 * we need to track link lost time and eventually generate 14991 * device detach event. 14992 */ 14993 if (!(SATA_FEATURES(sata_hba_inst) & SATA_CTLF_HOTPLUG)) { 14994 /* We are tracking link lost time */ 14995 if (cportinfo->cport_link_lost_time == 0) { 14996 /* save current time (lbolt value) */ 14997 cportinfo->cport_link_lost_time = 14998 ddi_get_lbolt(); 14999 /* just keep link lost event */ 15000 cportinfo->cport_event_flags |= 15001 SATA_EVNT_LINK_LOST; 15002 } else { 15003 clock_t cur_time = ddi_get_lbolt(); 15004 if ((cur_time - 15005 cportinfo->cport_link_lost_time) >= 15006 drv_usectohz( 15007 SATA_EVNT_LINK_LOST_TIMEOUT)) { 15008 /* trigger device detach event */ 15009 cportinfo->cport_event_flags |= 15010 SATA_EVNT_DEVICE_DETACHED; 15011 cportinfo->cport_link_lost_time = 0; 15012 SATADBG1(SATA_DBG_EVENTS, 15013 sata_hba_inst, 15014 "Triggering port %d " 15015 "device detached event", 15016 saddr->cport); 15017 } else { 15018 /* keep link lost event */ 15019 cportinfo->cport_event_flags |= 15020 SATA_EVNT_LINK_LOST; 15021 } 15022 } 15023 } 15024 /* 15025 * We could change port state to disable/delay access to 15026 * the attached device until the link is recovered. 15027 */ 15028 } 15029 done: 15030 event_flags = cportinfo->cport_event_flags; 15031 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15032 if (event_flags != 0) { 15033 mutex_enter(&sata_hba_inst->satahba_mutex); 15034 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 15035 mutex_exit(&sata_hba_inst->satahba_mutex); 15036 mutex_enter(&sata_mutex); 15037 sata_event_pending |= SATA_EVNT_MAIN; 15038 mutex_exit(&sata_mutex); 15039 } 15040 } 15041 15042 /* 15043 * Device Detached Event processing. 15044 * Port is probed to find if a device is really gone. If so, 15045 * the device info structure is detached from the SATA port info structure 15046 * and released. 15047 * Port status is updated. 15048 * 15049 * NOTE: Process cports event only, no port multiplier ports. 15050 */ 15051 static void 15052 sata_process_device_detached(sata_hba_inst_t *sata_hba_inst, 15053 sata_address_t *saddr) 15054 { 15055 sata_cport_info_t *cportinfo; 15056 sata_drive_info_t *sdevinfo; 15057 sata_device_t sata_device; 15058 dev_info_t *tdip; 15059 int rval; 15060 15061 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 15062 "Processing port %d device detached", saddr->cport); 15063 15064 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 15065 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15066 /* Clear event flag */ 15067 cportinfo->cport_event_flags &= ~SATA_EVNT_DEVICE_DETACHED; 15068 15069 /* If the port is in SHUTDOWN or FAILED state, ignore detach event. */ 15070 if ((cportinfo->cport_state & 15071 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) { 15072 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 15073 cport_mutex); 15074 return; 15075 } 15076 /* For sanity, re-probe the port */ 15077 sata_device.satadev_rev = SATA_DEVICE_REV; 15078 sata_device.satadev_addr = *saddr; 15079 15080 /* 15081 * We have to exit mutex, because the HBA probe port function may 15082 * block on its own mutex. 15083 */ 15084 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15085 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 15086 (SATA_DIP(sata_hba_inst), &sata_device); 15087 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15088 sata_update_port_info(sata_hba_inst, &sata_device); 15089 if (rval != SATA_SUCCESS) { 15090 /* Something went wrong? Fail the port */ 15091 cportinfo->cport_state = SATA_PSTATE_FAILED; 15092 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 15093 cport_mutex); 15094 SATA_LOG_D((sata_hba_inst, CE_WARN, 15095 "SATA port %d probing failed", 15096 saddr->cport)); 15097 /* 15098 * We may want to release device info structure, but 15099 * it is not necessary. 15100 */ 15101 return; 15102 } else { 15103 /* port probed successfully */ 15104 cportinfo->cport_state |= SATA_STATE_PROBED | SATA_STATE_READY; 15105 } 15106 /* 15107 * Check if a device is still attached. For sanity, check also 15108 * link status - if no link, there is no device. 15109 */ 15110 if ((sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) == 15111 SATA_PORT_DEVLINK_UP && sata_device.satadev_type != 15112 SATA_DTYPE_NONE) { 15113 /* 15114 * Device is still attached - ignore detach event. 15115 */ 15116 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 15117 cport_mutex); 15118 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 15119 "Ignoring detach - device still attached to port %d", 15120 sata_device.satadev_addr.cport); 15121 return; 15122 } 15123 /* 15124 * We need to detach and release device info structure here 15125 */ 15126 if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { 15127 sdevinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 15128 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 15129 (void) kmem_free((void *)sdevinfo, 15130 sizeof (sata_drive_info_t)); 15131 } 15132 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 15133 /* 15134 * Device cannot be reached anymore, even if the target node may be 15135 * still present. 15136 */ 15137 15138 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15139 sata_log(sata_hba_inst, CE_WARN, "SATA device detached at port %d", 15140 sata_device.satadev_addr.cport); 15141 15142 /* 15143 * Try to offline a device and remove target node if it still exists 15144 */ 15145 tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), saddr->cport); 15146 if (tdip != NULL) { 15147 /* 15148 * Target node exists. Unconfigure device then remove 15149 * the target node (one ndi operation). 15150 */ 15151 if (ndi_devi_offline(tdip, NDI_DEVI_REMOVE) != NDI_SUCCESS) { 15152 /* 15153 * PROBLEM - no device, but target node remained 15154 * This happens when the file was open or node was 15155 * waiting for resources. 15156 */ 15157 SATA_LOG_D((sata_hba_inst, CE_WARN, 15158 "sata_process_device_detached: " 15159 "Failed to remove target node for " 15160 "detached SATA device.")); 15161 /* 15162 * Set target node state to DEVI_DEVICE_REMOVED. 15163 * But re-check first that the node still exists. 15164 */ 15165 tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), 15166 saddr->cport); 15167 if (tdip != NULL) { 15168 sata_set_device_removed(tdip); 15169 /* 15170 * Instruct event daemon to retry the 15171 * cleanup later. 15172 */ 15173 sata_set_target_node_cleanup(sata_hba_inst, 15174 &sata_device.satadev_addr); 15175 } 15176 } 15177 } 15178 /* 15179 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 15180 * with the hint: SE_HINT_REMOVE 15181 */ 15182 sata_gen_sysevent(sata_hba_inst, saddr, SE_HINT_REMOVE); 15183 } 15184 15185 15186 /* 15187 * Device Attached Event processing. 15188 * Port state is checked to verify that a device is really attached. If so, 15189 * the device info structure is created and attached to the SATA port info 15190 * structure. 15191 * 15192 * If attached device cannot be identified or set-up, the retry for the 15193 * attach processing is set-up. Subsequent daemon run would try again to 15194 * identify the device, until the time limit is reached 15195 * (SATA_DEV_IDENTIFY_TIMEOUT). 15196 * 15197 * This function cannot be called in interrupt context (it may sleep). 15198 * 15199 * NOTE: Process cports event only, no port multiplier ports. 15200 */ 15201 static void 15202 sata_process_device_attached(sata_hba_inst_t *sata_hba_inst, 15203 sata_address_t *saddr) 15204 { 15205 sata_cport_info_t *cportinfo; 15206 sata_drive_info_t *sdevinfo; 15207 sata_device_t sata_device; 15208 dev_info_t *tdip; 15209 uint32_t event_flags; 15210 int rval; 15211 15212 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 15213 "Processing port %d device attached", saddr->cport); 15214 15215 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 15216 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15217 15218 /* Clear attach event flag first */ 15219 cportinfo->cport_event_flags &= ~SATA_EVNT_DEVICE_ATTACHED; 15220 15221 /* If the port is in SHUTDOWN or FAILED state, ignore event. */ 15222 if ((cportinfo->cport_state & 15223 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) { 15224 cportinfo->cport_dev_attach_time = 0; 15225 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 15226 cport_mutex); 15227 return; 15228 } 15229 15230 /* 15231 * If the sata_drive_info structure is found attached to the port info, 15232 * despite the fact the device was removed and now it is re-attached, 15233 * the old drive info structure was not removed. 15234 * Arbitrarily release device info structure. 15235 */ 15236 if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { 15237 sdevinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 15238 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 15239 (void) kmem_free((void *)sdevinfo, 15240 sizeof (sata_drive_info_t)); 15241 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 15242 "Arbitrarily detaching old device info.", NULL); 15243 } 15244 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 15245 15246 /* For sanity, re-probe the port */ 15247 sata_device.satadev_rev = SATA_DEVICE_REV; 15248 sata_device.satadev_addr = *saddr; 15249 15250 /* 15251 * We have to exit mutex, because the HBA probe port function may 15252 * block on its own mutex. 15253 */ 15254 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15255 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 15256 (SATA_DIP(sata_hba_inst), &sata_device); 15257 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15258 sata_update_port_info(sata_hba_inst, &sata_device); 15259 if (rval != SATA_SUCCESS) { 15260 /* Something went wrong? Fail the port */ 15261 cportinfo->cport_state = SATA_PSTATE_FAILED; 15262 cportinfo->cport_dev_attach_time = 0; 15263 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 15264 cport_mutex); 15265 SATA_LOG_D((sata_hba_inst, CE_WARN, 15266 "SATA port %d probing failed", 15267 saddr->cport)); 15268 return; 15269 } else { 15270 /* port probed successfully */ 15271 cportinfo->cport_state |= SATA_STATE_PROBED | SATA_STATE_READY; 15272 } 15273 /* 15274 * Check if a device is still attached. For sanity, check also 15275 * link status - if no link, there is no device. 15276 */ 15277 if ((sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != 15278 SATA_PORT_DEVLINK_UP || sata_device.satadev_type == 15279 SATA_DTYPE_NONE) { 15280 /* 15281 * No device - ignore attach event. 15282 */ 15283 cportinfo->cport_dev_attach_time = 0; 15284 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 15285 cport_mutex); 15286 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 15287 "Ignoring attach - no device connected to port %d", 15288 sata_device.satadev_addr.cport); 15289 return; 15290 } 15291 15292 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15293 /* 15294 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 15295 * with the hint: SE_HINT_INSERT 15296 */ 15297 sata_gen_sysevent(sata_hba_inst, saddr, SE_HINT_INSERT); 15298 15299 /* 15300 * Port reprobing will take care of the creation of the device 15301 * info structure and determination of the device type. 15302 */ 15303 sata_device.satadev_addr = *saddr; 15304 (void) sata_reprobe_port(sata_hba_inst, &sata_device, 15305 SATA_DEV_IDENTIFY_NORETRY); 15306 15307 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 15308 cport_mutex); 15309 if ((cportinfo->cport_state & SATA_STATE_READY) && 15310 (cportinfo->cport_dev_type != SATA_DTYPE_NONE)) { 15311 /* Some device is attached to the port */ 15312 if (cportinfo->cport_dev_type == SATA_DTYPE_UNKNOWN) { 15313 /* 15314 * A device was not successfully attached. 15315 * Track retry time for device identification. 15316 */ 15317 if (cportinfo->cport_dev_attach_time != 0) { 15318 clock_t cur_time = ddi_get_lbolt(); 15319 /* 15320 * If the retry time limit was not exceeded, 15321 * reinstate attach event. 15322 */ 15323 if ((cur_time - 15324 cportinfo->cport_dev_attach_time) < 15325 drv_usectohz( 15326 SATA_DEV_IDENTIFY_TIMEOUT)) { 15327 /* OK, restore attach event */ 15328 cportinfo->cport_event_flags |= 15329 SATA_EVNT_DEVICE_ATTACHED; 15330 } else { 15331 /* Timeout - cannot identify device */ 15332 cportinfo->cport_dev_attach_time = 0; 15333 sata_log(sata_hba_inst, 15334 CE_WARN, 15335 "Could not identify SATA device " 15336 "at port %d", 15337 saddr->cport); 15338 } 15339 } else { 15340 /* 15341 * Start tracking time for device 15342 * identification. 15343 * Save current time (lbolt value). 15344 */ 15345 cportinfo->cport_dev_attach_time = 15346 ddi_get_lbolt(); 15347 /* Restore attach event */ 15348 cportinfo->cport_event_flags |= 15349 SATA_EVNT_DEVICE_ATTACHED; 15350 } 15351 } else { 15352 /* 15353 * If device was successfully attached, the subsequent 15354 * action depends on a state of the 15355 * sata_auto_online variable. If it is set to zero. 15356 * an explicit 'configure' command will be needed to 15357 * configure it. If its value is non-zero, we will 15358 * attempt to online (configure) the device. 15359 * First, log the message indicating that a device 15360 * was attached. 15361 */ 15362 cportinfo->cport_dev_attach_time = 0; 15363 sata_log(sata_hba_inst, CE_WARN, 15364 "SATA device detected at port %d", saddr->cport); 15365 15366 if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { 15367 sata_drive_info_t new_sdinfo; 15368 15369 /* Log device info data */ 15370 new_sdinfo = *(SATA_CPORTINFO_DRV_INFO( 15371 cportinfo)); 15372 sata_show_drive_info(sata_hba_inst, 15373 &new_sdinfo); 15374 } 15375 15376 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 15377 saddr->cport)->cport_mutex); 15378 15379 /* 15380 * Make sure that there is no target node for that 15381 * device. If so, release it. It should not happen, 15382 * unless we had problem removing the node when 15383 * device was detached. 15384 */ 15385 tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), 15386 saddr->cport); 15387 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 15388 saddr->cport)->cport_mutex); 15389 if (tdip != NULL) { 15390 15391 #ifdef SATA_DEBUG 15392 if ((cportinfo->cport_event_flags & 15393 SATA_EVNT_TARGET_NODE_CLEANUP) == 0) 15394 sata_log(sata_hba_inst, CE_WARN, 15395 "sata_process_device_attached: " 15396 "old device target node exists!"); 15397 #endif 15398 /* 15399 * target node exists - try to unconfigure 15400 * device and remove the node. 15401 */ 15402 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 15403 saddr->cport)->cport_mutex); 15404 rval = ndi_devi_offline(tdip, 15405 NDI_DEVI_REMOVE); 15406 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 15407 saddr->cport)->cport_mutex); 15408 15409 if (rval == NDI_SUCCESS) { 15410 cportinfo->cport_event_flags &= 15411 ~SATA_EVNT_TARGET_NODE_CLEANUP; 15412 cportinfo->cport_tgtnode_clean = B_TRUE; 15413 } else { 15414 /* 15415 * PROBLEM - the target node remained 15416 * and it belongs to a previously 15417 * attached device. 15418 * This happens when the file was open 15419 * or the node was waiting for 15420 * resources at the time the 15421 * associated device was removed. 15422 * Instruct event daemon to retry the 15423 * cleanup later. 15424 */ 15425 sata_log(sata_hba_inst, 15426 CE_WARN, 15427 "Application(s) accessing " 15428 "previously attached SATA " 15429 "device have to release " 15430 "it before newly inserted " 15431 "device can be made accessible.", 15432 saddr->cport); 15433 cportinfo->cport_event_flags |= 15434 SATA_EVNT_TARGET_NODE_CLEANUP; 15435 cportinfo->cport_tgtnode_clean = 15436 B_FALSE; 15437 } 15438 } 15439 if (sata_auto_online != 0) { 15440 cportinfo->cport_event_flags |= 15441 SATA_EVNT_AUTOONLINE_DEVICE; 15442 } 15443 15444 } 15445 } else { 15446 cportinfo->cport_dev_attach_time = 0; 15447 } 15448 15449 event_flags = cportinfo->cport_event_flags; 15450 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15451 if (event_flags != 0) { 15452 mutex_enter(&sata_hba_inst->satahba_mutex); 15453 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 15454 mutex_exit(&sata_hba_inst->satahba_mutex); 15455 mutex_enter(&sata_mutex); 15456 sata_event_pending |= SATA_EVNT_MAIN; 15457 mutex_exit(&sata_mutex); 15458 } 15459 } 15460 15461 15462 /* 15463 * Device Target Node Cleanup Event processing. 15464 * If the target node associated with a sata port device is in 15465 * DEVI_DEVICE_REMOVED state, an attempt is made to remove it. 15466 * If the target node cannot be removed, the event flag is left intact, 15467 * so that event daemon may re-run this function later. 15468 * 15469 * This function cannot be called in interrupt context (it may sleep). 15470 * 15471 * NOTE: Processes cport events only, not port multiplier ports. 15472 */ 15473 static void 15474 sata_process_target_node_cleanup(sata_hba_inst_t *sata_hba_inst, 15475 sata_address_t *saddr) 15476 { 15477 sata_cport_info_t *cportinfo; 15478 dev_info_t *tdip; 15479 15480 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 15481 "Processing port %d device target node cleanup", saddr->cport); 15482 15483 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 15484 15485 /* 15486 * Check if there is target node for that device and it is in the 15487 * DEVI_DEVICE_REMOVED state. If so, release it. 15488 */ 15489 tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), saddr->cport); 15490 if (tdip != NULL) { 15491 /* 15492 * target node exists - check if it is target node of 15493 * a removed device. 15494 */ 15495 if (sata_check_device_removed(tdip) == B_TRUE) { 15496 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 15497 "sata_process_target_node_cleanup: " 15498 "old device target node exists!", NULL); 15499 /* 15500 * Unconfigure and remove the target node 15501 */ 15502 if (ndi_devi_offline(tdip, NDI_DEVI_REMOVE) == 15503 NDI_SUCCESS) { 15504 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 15505 saddr->cport)->cport_mutex); 15506 cportinfo->cport_event_flags &= 15507 ~SATA_EVNT_TARGET_NODE_CLEANUP; 15508 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 15509 saddr->cport)->cport_mutex); 15510 return; 15511 } 15512 /* 15513 * Event daemon will retry the cleanup later. 15514 */ 15515 mutex_enter(&sata_hba_inst->satahba_mutex); 15516 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 15517 mutex_exit(&sata_hba_inst->satahba_mutex); 15518 mutex_enter(&sata_mutex); 15519 sata_event_pending |= SATA_EVNT_MAIN; 15520 mutex_exit(&sata_mutex); 15521 } 15522 } else { 15523 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 15524 saddr->cport)->cport_mutex); 15525 cportinfo->cport_event_flags &= 15526 ~SATA_EVNT_TARGET_NODE_CLEANUP; 15527 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 15528 saddr->cport)->cport_mutex); 15529 } 15530 } 15531 15532 /* 15533 * Device AutoOnline Event processing. 15534 * If attached device is to be onlined, an attempt is made to online this 15535 * device, but only if there is no lingering (old) target node present. 15536 * If the device cannot be onlined, the event flag is left intact, 15537 * so that event daemon may re-run this function later. 15538 * 15539 * This function cannot be called in interrupt context (it may sleep). 15540 * 15541 * NOTE: Processes cport events only, not port multiplier ports. 15542 */ 15543 static void 15544 sata_process_device_autoonline(sata_hba_inst_t *sata_hba_inst, 15545 sata_address_t *saddr) 15546 { 15547 sata_cport_info_t *cportinfo; 15548 sata_drive_info_t *sdinfo; 15549 sata_device_t sata_device; 15550 dev_info_t *tdip; 15551 15552 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 15553 "Processing port %d attached device auto-onlining", saddr->cport); 15554 15555 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 15556 15557 /* 15558 * Check if device is present and recognized. If not, reset event. 15559 */ 15560 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15561 if ((cportinfo->cport_dev_type & SATA_VALID_DEV_TYPE) == 0) { 15562 /* Nothing to online */ 15563 cportinfo->cport_event_flags &= ~SATA_EVNT_AUTOONLINE_DEVICE; 15564 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 15565 saddr->cport)->cport_mutex); 15566 return; 15567 } 15568 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15569 15570 /* 15571 * Check if there is target node for this device and if it is in the 15572 * DEVI_DEVICE_REMOVED state. If so, abort onlining but keep 15573 * the event for later processing. 15574 */ 15575 tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), saddr->cport); 15576 if (tdip != NULL) { 15577 /* 15578 * target node exists - check if it is target node of 15579 * a removed device. 15580 */ 15581 if (sata_check_device_removed(tdip) == B_TRUE) { 15582 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 15583 "sata_process_device_autoonline: " 15584 "old device target node exists!", NULL); 15585 /* 15586 * Event daemon will retry device onlining later. 15587 */ 15588 mutex_enter(&sata_hba_inst->satahba_mutex); 15589 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 15590 mutex_exit(&sata_hba_inst->satahba_mutex); 15591 mutex_enter(&sata_mutex); 15592 sata_event_pending |= SATA_EVNT_MAIN; 15593 mutex_exit(&sata_mutex); 15594 return; 15595 } 15596 /* 15597 * If the target node is not in the 'removed" state, assume 15598 * that it belongs to this device. There is nothing more to do, 15599 * but reset the event. 15600 */ 15601 } else { 15602 15603 /* 15604 * Try to online the device 15605 * If there is any reset-related event, remove it. We are 15606 * configuring the device and no state restoring is needed. 15607 */ 15608 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 15609 saddr->cport)->cport_mutex); 15610 sata_device.satadev_addr = *saddr; 15611 if (saddr->qual == SATA_ADDR_CPORT) 15612 sata_device.satadev_addr.qual = SATA_ADDR_DCPORT; 15613 else 15614 sata_device.satadev_addr.qual = SATA_ADDR_DPMPORT; 15615 sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); 15616 if (sdinfo != NULL) { 15617 if (sdinfo->satadrv_event_flags & 15618 (SATA_EVNT_DEVICE_RESET | 15619 SATA_EVNT_INPROC_DEVICE_RESET)) 15620 sdinfo->satadrv_event_flags = 0; 15621 sdinfo->satadrv_event_flags |= 15622 SATA_EVNT_CLEAR_DEVICE_RESET; 15623 15624 /* Need to create a new target node. */ 15625 cportinfo->cport_tgtnode_clean = B_TRUE; 15626 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 15627 saddr->cport)->cport_mutex); 15628 tdip = sata_create_target_node(SATA_DIP(sata_hba_inst), 15629 sata_hba_inst, &sata_device.satadev_addr); 15630 if (tdip == NULL) { 15631 /* 15632 * Configure (onlining) failed. 15633 * We will NOT retry 15634 */ 15635 SATA_LOG_D((sata_hba_inst, CE_WARN, 15636 "sata_process_device_autoonline: " 15637 "configuring SATA device at port %d failed", 15638 saddr->cport)); 15639 } 15640 } else { 15641 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 15642 saddr->cport)->cport_mutex); 15643 } 15644 15645 } 15646 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15647 cportinfo->cport_event_flags &= ~SATA_EVNT_AUTOONLINE_DEVICE; 15648 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 15649 saddr->cport)->cport_mutex); 15650 } 15651 15652 15653 static void 15654 sata_gen_sysevent(sata_hba_inst_t *sata_hba_inst, sata_address_t *saddr, 15655 int hint) 15656 { 15657 char ap[MAXPATHLEN]; 15658 nvlist_t *ev_attr_list = NULL; 15659 int err; 15660 15661 /* Allocate and build sysevent attribute list */ 15662 err = nvlist_alloc(&ev_attr_list, NV_UNIQUE_NAME_TYPE, DDI_NOSLEEP); 15663 if (err != 0) { 15664 SATA_LOG_D((sata_hba_inst, CE_WARN, 15665 "sata_gen_sysevent: " 15666 "cannot allocate memory for sysevent attributes\n")); 15667 return; 15668 } 15669 /* Add hint attribute */ 15670 err = nvlist_add_string(ev_attr_list, DR_HINT, SE_HINT2STR(hint)); 15671 if (err != 0) { 15672 SATA_LOG_D((sata_hba_inst, CE_WARN, 15673 "sata_gen_sysevent: " 15674 "failed to add DR_HINT attr for sysevent")); 15675 nvlist_free(ev_attr_list); 15676 return; 15677 } 15678 /* 15679 * Add AP attribute. 15680 * Get controller pathname and convert it into AP pathname by adding 15681 * a target number. 15682 */ 15683 (void) snprintf(ap, MAXPATHLEN, "/devices"); 15684 (void) ddi_pathname(SATA_DIP(sata_hba_inst), ap + strlen(ap)); 15685 (void) snprintf(ap + strlen(ap), MAXPATHLEN - strlen(ap), ":%d", 15686 SATA_MAKE_AP_NUMBER(saddr->cport, saddr->pmport, saddr->qual)); 15687 15688 err = nvlist_add_string(ev_attr_list, DR_AP_ID, ap); 15689 if (err != 0) { 15690 SATA_LOG_D((sata_hba_inst, CE_WARN, 15691 "sata_gen_sysevent: " 15692 "failed to add DR_AP_ID attr for sysevent")); 15693 nvlist_free(ev_attr_list); 15694 return; 15695 } 15696 15697 /* Generate/log sysevent */ 15698 err = ddi_log_sysevent(SATA_DIP(sata_hba_inst), DDI_VENDOR_SUNW, EC_DR, 15699 ESC_DR_AP_STATE_CHANGE, ev_attr_list, NULL, DDI_NOSLEEP); 15700 if (err != DDI_SUCCESS) { 15701 SATA_LOG_D((sata_hba_inst, CE_WARN, 15702 "sata_gen_sysevent: " 15703 "cannot log sysevent, err code %x\n", err)); 15704 } 15705 15706 nvlist_free(ev_attr_list); 15707 } 15708 15709 15710 15711 15712 /* 15713 * Set DEVI_DEVICE_REMOVED state in the SATA device target node. 15714 */ 15715 static void 15716 sata_set_device_removed(dev_info_t *tdip) 15717 { 15718 int circ; 15719 15720 ASSERT(tdip != NULL); 15721 15722 ndi_devi_enter(tdip, &circ); 15723 mutex_enter(&DEVI(tdip)->devi_lock); 15724 DEVI_SET_DEVICE_REMOVED(tdip); 15725 mutex_exit(&DEVI(tdip)->devi_lock); 15726 ndi_devi_exit(tdip, circ); 15727 } 15728 15729 15730 /* 15731 * Set internal event instructing event daemon to try 15732 * to perform the target node cleanup. 15733 */ 15734 static void 15735 sata_set_target_node_cleanup(sata_hba_inst_t *sata_hba_inst, 15736 sata_address_t *saddr) 15737 { 15738 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15739 SATA_CPORT_EVENT_FLAGS(sata_hba_inst, saddr->cport) |= 15740 SATA_EVNT_TARGET_NODE_CLEANUP; 15741 SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_tgtnode_clean = 15742 B_FALSE; 15743 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15744 mutex_enter(&sata_hba_inst->satahba_mutex); 15745 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 15746 mutex_exit(&sata_hba_inst->satahba_mutex); 15747 mutex_enter(&sata_mutex); 15748 sata_event_pending |= SATA_EVNT_MAIN; 15749 mutex_exit(&sata_mutex); 15750 } 15751 15752 15753 /* 15754 * Check if the SATA device target node is in DEVI_DEVICE_REMOVED state, 15755 * i.e. check if the target node state indicates that it belongs to a removed 15756 * device. 15757 * 15758 * Returns B_TRUE if the target node is in DEVI_DEVICE_REMOVED state, 15759 * B_FALSE otherwise. 15760 * 15761 * NOTE: No port multiplier support. 15762 */ 15763 static boolean_t 15764 sata_check_device_removed(dev_info_t *tdip) 15765 { 15766 ASSERT(tdip != NULL); 15767 15768 if (DEVI_IS_DEVICE_REMOVED(tdip)) 15769 return (B_TRUE); 15770 else 15771 return (B_FALSE); 15772 } 15773 15774 /* ************************ FAULT INJECTTION **************************** */ 15775 15776 #ifdef SATA_INJECT_FAULTS 15777 15778 static uint32_t sata_fault_count = 0; 15779 static uint32_t sata_fault_suspend_count = 0; 15780 15781 /* 15782 * Inject sata pkt fault 15783 * It modifies returned values of the sata packet. 15784 * It returns immediately if: 15785 * pkt fault injection is not enabled (via sata_inject_fault, 15786 * sata_inject_fault_count), or invalid fault is specified (sata_fault_type), 15787 * or pkt does not contain command to be faulted (set in sata_fault_cmd), or 15788 * pkt is not directed to specified fault controller/device 15789 * (sata_fault_ctrl_dev and sata_fault_device). 15790 * If fault controller is not specified, fault injection applies to all 15791 * controllers and devices. 15792 * 15793 * First argument is the pointer to the executed sata packet. 15794 * Second argument is a pointer to a value returned by the HBA tran_start 15795 * function. 15796 * Third argument specifies injected error. Injected sata packet faults 15797 * are the satapkt_reason values. 15798 * SATA_PKT_BUSY -1 Not completed, busy 15799 * SATA_PKT_DEV_ERROR 1 Device reported error 15800 * SATA_PKT_QUEUE_FULL 2 Not accepted, queue full 15801 * SATA_PKT_PORT_ERROR 3 Not completed, port error 15802 * SATA_PKT_CMD_UNSUPPORTED 4 Cmd unsupported 15803 * SATA_PKT_ABORTED 5 Aborted by request 15804 * SATA_PKT_TIMEOUT 6 Operation timeut 15805 * SATA_PKT_RESET 7 Aborted by reset request 15806 * 15807 * Additional global variables affecting the execution: 15808 * 15809 * sata_inject_fault_count variable specifies number of times in row the 15810 * error is injected. Value of -1 specifies permanent fault, ie. every time 15811 * the fault injection point is reached, the fault is injected and a pause 15812 * between fault injection specified by sata_inject_fault_pause_count is 15813 * ignored). Fault injection routine decrements sata_inject_fault_count 15814 * (if greater than zero) until it reaches 0. No fault is injected when 15815 * sata_inject_fault_count is 0 (zero). 15816 * 15817 * sata_inject_fault_pause_count variable specifies number of times a fault 15818 * injection is bypassed (pause between fault injections). 15819 * If set to 0, a fault is injected only a number of times specified by 15820 * sata_inject_fault_count. 15821 * 15822 * The fault counts are static, so for periodic errors they have to be manually 15823 * reset to start repetition sequence from scratch. 15824 * If the original value returned by the HBA tran_start function is not 15825 * SATA_TRAN_ACCEPTED and pkt reason is not SATA_PKT_COMPLETED, no error 15826 * is injected (to avoid masking real problems); 15827 * 15828 * NOTE: In its current incarnation, this function should be invoked only for 15829 * commands executed in SYNCHRONOUS mode. 15830 */ 15831 15832 15833 static void 15834 sata_inject_pkt_fault(sata_pkt_t *spkt, int *rval, int fault) 15835 { 15836 15837 if (sata_inject_fault != SATA_INJECT_PKT_FAULT) 15838 return; 15839 15840 if (sata_inject_fault_count == 0) 15841 return; 15842 15843 if (fault == 0) 15844 return; 15845 15846 if (sata_fault_cmd != spkt->satapkt_cmd.satacmd_cmd_reg) 15847 return; 15848 15849 if (sata_fault_ctrl != NULL) { 15850 sata_pkt_txlate_t *spx = 15851 (sata_pkt_txlate_t *)spkt->satapkt_framework_private; 15852 15853 if (sata_fault_ctrl != NULL && sata_fault_ctrl != 15854 spx->txlt_sata_hba_inst->satahba_dip) 15855 return; 15856 15857 if (sata_fault_device.satadev_addr.cport != 15858 spkt->satapkt_device.satadev_addr.cport || 15859 sata_fault_device.satadev_addr.pmport != 15860 spkt->satapkt_device.satadev_addr.pmport || 15861 sata_fault_device.satadev_addr.qual != 15862 spkt->satapkt_device.satadev_addr.qual) 15863 return; 15864 } 15865 15866 /* Modify pkt return parameters */ 15867 if (*rval != SATA_TRAN_ACCEPTED || 15868 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 15869 sata_fault_count = 0; 15870 sata_fault_suspend_count = 0; 15871 return; 15872 } 15873 if (sata_fault_count == 0 && sata_fault_suspend_count != 0) { 15874 /* Pause in the injection */ 15875 sata_fault_suspend_count -= 1; 15876 return; 15877 } 15878 15879 if (sata_fault_count == 0 && sata_fault_suspend_count == 0) { 15880 /* 15881 * Init inject fault cycle. If fault count is set to -1, 15882 * it is a permanent fault. 15883 */ 15884 if (sata_inject_fault_count != -1) { 15885 sata_fault_count = sata_inject_fault_count; 15886 sata_fault_suspend_count = 15887 sata_inject_fault_pause_count; 15888 if (sata_fault_suspend_count == 0) 15889 sata_inject_fault_count = 0; 15890 } 15891 } 15892 15893 if (sata_fault_count != 0) 15894 sata_fault_count -= 1; 15895 15896 switch (fault) { 15897 case SATA_PKT_BUSY: 15898 *rval = SATA_TRAN_BUSY; 15899 spkt->satapkt_reason = SATA_PKT_BUSY; 15900 break; 15901 15902 case SATA_PKT_QUEUE_FULL: 15903 *rval = SATA_TRAN_QUEUE_FULL; 15904 spkt->satapkt_reason = SATA_PKT_QUEUE_FULL; 15905 break; 15906 15907 case SATA_PKT_CMD_UNSUPPORTED: 15908 *rval = SATA_TRAN_CMD_UNSUPPORTED; 15909 spkt->satapkt_reason = SATA_PKT_CMD_UNSUPPORTED; 15910 break; 15911 15912 case SATA_PKT_PORT_ERROR: 15913 /* This is "rejected" command */ 15914 *rval = SATA_TRAN_PORT_ERROR; 15915 spkt->satapkt_reason = SATA_PKT_PORT_ERROR; 15916 /* Additional error setup could be done here - port state */ 15917 break; 15918 15919 case SATA_PKT_DEV_ERROR: 15920 spkt->satapkt_reason = SATA_PKT_DEV_ERROR; 15921 /* 15922 * Additional error setup could be done here 15923 */ 15924 break; 15925 15926 case SATA_PKT_ABORTED: 15927 spkt->satapkt_reason = SATA_PKT_ABORTED; 15928 break; 15929 15930 case SATA_PKT_TIMEOUT: 15931 spkt->satapkt_reason = SATA_PKT_TIMEOUT; 15932 /* Additional error setup could be done here */ 15933 break; 15934 15935 case SATA_PKT_RESET: 15936 spkt->satapkt_reason = SATA_PKT_RESET; 15937 /* 15938 * Additional error setup could be done here - device reset 15939 */ 15940 break; 15941 15942 default: 15943 break; 15944 } 15945 } 15946 15947 #endif 15948