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 2008 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_fault_cmd = 0; 120 uint32_t sata_inject_fault_type = 0; 121 uint32_t sata_inject_fault_count = 0; 122 uint32_t sata_inject_fault_pause_count = 0; 123 124 static void sata_inject_pkt_fault(sata_pkt_t *, uint8_t, int *, int); 125 126 #endif 127 128 #define LEGACY_HWID_LEN 64 /* Model (40) + Serial (20) + pad */ 129 130 static char sata_rev_tag[] = {"1.37"}; 131 132 /* 133 * SATA cb_ops functions 134 */ 135 static int sata_hba_open(dev_t *, int, int, cred_t *); 136 static int sata_hba_close(dev_t, int, int, cred_t *); 137 static int sata_hba_ioctl(dev_t, int, intptr_t, int, cred_t *, int *); 138 139 /* 140 * SCSA required entry points 141 */ 142 static int sata_scsi_tgt_init(dev_info_t *, dev_info_t *, 143 scsi_hba_tran_t *, struct scsi_device *); 144 static int sata_scsi_tgt_probe(struct scsi_device *, 145 int (*callback)(void)); 146 static void sata_scsi_tgt_free(dev_info_t *, dev_info_t *, 147 scsi_hba_tran_t *, struct scsi_device *); 148 static int sata_scsi_start(struct scsi_address *, struct scsi_pkt *); 149 static int sata_scsi_abort(struct scsi_address *, struct scsi_pkt *); 150 static int sata_scsi_reset(struct scsi_address *, int); 151 static int sata_scsi_getcap(struct scsi_address *, char *, int); 152 static int sata_scsi_setcap(struct scsi_address *, char *, int, int); 153 static struct scsi_pkt *sata_scsi_init_pkt(struct scsi_address *, 154 struct scsi_pkt *, struct buf *, int, int, int, int, int (*)(caddr_t), 155 caddr_t); 156 static void sata_scsi_destroy_pkt(struct scsi_address *, struct scsi_pkt *); 157 static void sata_scsi_dmafree(struct scsi_address *, struct scsi_pkt *); 158 static void sata_scsi_sync_pkt(struct scsi_address *, struct scsi_pkt *); 159 160 /* 161 * SATA HBA interface functions are defined in sata_hba.h header file 162 */ 163 164 /* Event processing functions */ 165 static void sata_event_daemon(void *); 166 static void sata_event_thread_control(int); 167 static void sata_process_controller_events(sata_hba_inst_t *sata_hba_inst); 168 static void sata_process_device_reset(sata_hba_inst_t *, sata_address_t *); 169 static void sata_process_port_failed_event(sata_hba_inst_t *, 170 sata_address_t *); 171 static void sata_process_port_link_events(sata_hba_inst_t *, 172 sata_address_t *); 173 static void sata_process_device_detached(sata_hba_inst_t *, sata_address_t *); 174 static void sata_process_device_attached(sata_hba_inst_t *, sata_address_t *); 175 static void sata_process_port_pwr_change(sata_hba_inst_t *, sata_address_t *); 176 static void sata_process_cntrl_pwr_level_change(sata_hba_inst_t *); 177 static void sata_process_target_node_cleanup(sata_hba_inst_t *, 178 sata_address_t *); 179 static void sata_process_device_autoonline(sata_hba_inst_t *, 180 sata_address_t *saddr); 181 182 /* 183 * Local translation functions 184 */ 185 static int sata_txlt_inquiry(sata_pkt_txlate_t *); 186 static int sata_txlt_test_unit_ready(sata_pkt_txlate_t *); 187 static int sata_txlt_start_stop_unit(sata_pkt_txlate_t *); 188 static int sata_txlt_read_capacity(sata_pkt_txlate_t *); 189 static int sata_txlt_request_sense(sata_pkt_txlate_t *); 190 static int sata_txlt_read(sata_pkt_txlate_t *); 191 static int sata_txlt_write(sata_pkt_txlate_t *); 192 static int sata_txlt_log_sense(sata_pkt_txlate_t *); 193 static int sata_txlt_log_select(sata_pkt_txlate_t *); 194 static int sata_txlt_mode_sense(sata_pkt_txlate_t *); 195 static int sata_txlt_mode_select(sata_pkt_txlate_t *); 196 static int sata_txlt_synchronize_cache(sata_pkt_txlate_t *); 197 static int sata_txlt_write_buffer(sata_pkt_txlate_t *); 198 static int sata_txlt_nodata_cmd_immediate(sata_pkt_txlate_t *); 199 200 static int sata_hba_start(sata_pkt_txlate_t *, int *); 201 static int sata_txlt_invalid_command(sata_pkt_txlate_t *); 202 static int sata_txlt_lba_out_of_range(sata_pkt_txlate_t *); 203 static void sata_txlt_rw_completion(sata_pkt_t *); 204 static void sata_txlt_nodata_cmd_completion(sata_pkt_t *); 205 static void sata_txlt_download_mcode_cmd_completion(sata_pkt_t *); 206 static int sata_emul_rw_completion(sata_pkt_txlate_t *); 207 static struct scsi_extended_sense *sata_immediate_error_response( 208 sata_pkt_txlate_t *, int); 209 static struct scsi_extended_sense *sata_arq_sense(sata_pkt_txlate_t *); 210 211 static int sata_txlt_atapi(sata_pkt_txlate_t *); 212 static void sata_txlt_atapi_completion(sata_pkt_t *); 213 214 /* 215 * Local functions for ioctl 216 */ 217 static int32_t sata_get_port_num(sata_hba_inst_t *, struct devctl_iocdata *); 218 static void sata_cfgadm_state(sata_hba_inst_t *, int32_t, 219 devctl_ap_state_t *); 220 static dev_info_t *sata_get_target_dip(dev_info_t *, int32_t); 221 static dev_info_t *sata_get_scsi_target_dip(dev_info_t *, sata_address_t *); 222 static dev_info_t *sata_devt_to_devinfo(dev_t); 223 static int sata_ioctl_connect(sata_hba_inst_t *, sata_device_t *); 224 static int sata_ioctl_disconnect(sata_hba_inst_t *, sata_device_t *); 225 static int sata_ioctl_configure(sata_hba_inst_t *, sata_device_t *); 226 static int sata_ioctl_unconfigure(sata_hba_inst_t *, sata_device_t *); 227 static int sata_ioctl_activate(sata_hba_inst_t *, sata_device_t *); 228 static int sata_ioctl_deactivate(sata_hba_inst_t *, sata_device_t *); 229 static int sata_ioctl_reset_port(sata_hba_inst_t *, sata_device_t *); 230 static int sata_ioctl_reset_device(sata_hba_inst_t *, sata_device_t *); 231 static int sata_ioctl_reset_all(sata_hba_inst_t *); 232 static int sata_ioctl_port_self_test(sata_hba_inst_t *, sata_device_t *); 233 static int sata_ioctl_get_device_path(sata_hba_inst_t *, sata_device_t *, 234 sata_ioctl_data_t *, int mode); 235 static int sata_ioctl_get_ap_type(sata_hba_inst_t *, sata_device_t *, 236 sata_ioctl_data_t *, int mode); 237 static int sata_ioctl_get_model_info(sata_hba_inst_t *, sata_device_t *, 238 sata_ioctl_data_t *, int mode); 239 static int sata_ioctl_get_revfirmware_info(sata_hba_inst_t *, sata_device_t *, 240 sata_ioctl_data_t *, int mode); 241 static int sata_ioctl_get_serialnumber_info(sata_hba_inst_t *, 242 sata_device_t *, sata_ioctl_data_t *, int mode); 243 244 /* 245 * Local functions 246 */ 247 static void sata_remove_hba_instance(dev_info_t *); 248 static int sata_validate_sata_hba_tran(dev_info_t *, sata_hba_tran_t *); 249 static void sata_probe_ports(sata_hba_inst_t *); 250 static int sata_reprobe_port(sata_hba_inst_t *, sata_device_t *, int); 251 static int sata_add_device(dev_info_t *, sata_hba_inst_t *, int cport, 252 int pmport); 253 static dev_info_t *sata_create_target_node(dev_info_t *, sata_hba_inst_t *, 254 sata_address_t *); 255 static int sata_validate_scsi_address(sata_hba_inst_t *, 256 struct scsi_address *, sata_device_t *); 257 static int sata_validate_sata_address(sata_hba_inst_t *, int, int, int); 258 static sata_pkt_t *sata_pkt_alloc(sata_pkt_txlate_t *, int (*)(caddr_t)); 259 static void sata_pkt_free(sata_pkt_txlate_t *); 260 static int sata_dma_buf_setup(sata_pkt_txlate_t *, int, int (*)(caddr_t), 261 caddr_t, ddi_dma_attr_t *); 262 static void sata_common_free_dma_rsrcs(sata_pkt_txlate_t *); 263 static int sata_probe_device(sata_hba_inst_t *, sata_device_t *); 264 static sata_drive_info_t *sata_get_device_info(sata_hba_inst_t *, 265 sata_device_t *); 266 static int sata_identify_device(sata_hba_inst_t *, sata_drive_info_t *); 267 static void sata_reidentify_device(sata_pkt_txlate_t *); 268 static struct buf *sata_alloc_local_buffer(sata_pkt_txlate_t *, int); 269 static void sata_free_local_buffer(sata_pkt_txlate_t *); 270 static uint64_t sata_check_capacity(sata_drive_info_t *); 271 void sata_adjust_dma_attr(sata_drive_info_t *, ddi_dma_attr_t *, 272 ddi_dma_attr_t *); 273 static int sata_fetch_device_identify_data(sata_hba_inst_t *, 274 sata_drive_info_t *); 275 static void sata_update_port_info(sata_hba_inst_t *, sata_device_t *); 276 static void sata_update_port_scr(sata_port_scr_t *, sata_device_t *); 277 static int sata_set_dma_mode(sata_hba_inst_t *, sata_drive_info_t *); 278 static int sata_set_cache_mode(sata_hba_inst_t *, sata_drive_info_t *, int); 279 static int sata_set_rmsn(sata_hba_inst_t *, sata_drive_info_t *, int); 280 static int sata_set_drive_features(sata_hba_inst_t *, 281 sata_drive_info_t *, int flag); 282 static void sata_init_write_cache_mode(sata_drive_info_t *sdinfo); 283 static int sata_initialize_device(sata_hba_inst_t *, sata_drive_info_t *); 284 static void sata_identdev_to_inquiry(sata_hba_inst_t *, sata_drive_info_t *, 285 uint8_t *); 286 static int sata_get_atapi_inquiry_data(sata_hba_inst_t *, sata_address_t *, 287 struct scsi_inquiry *); 288 static int sata_build_msense_page_1(sata_drive_info_t *, int, uint8_t *); 289 static int sata_build_msense_page_8(sata_drive_info_t *, int, uint8_t *); 290 static int sata_build_msense_page_1a(sata_drive_info_t *, int, uint8_t *); 291 static int sata_build_msense_page_1c(sata_drive_info_t *, int, uint8_t *); 292 static int sata_mode_select_page_8(sata_pkt_txlate_t *, 293 struct mode_cache_scsi3 *, int, int *, int *, int *); 294 static int sata_mode_select_page_1c(sata_pkt_txlate_t *, 295 struct mode_info_excpt_page *, int, int *, int *, int *); 296 static int sata_build_msense_page_30(sata_drive_info_t *, int, uint8_t *); 297 static int sata_mode_select_page_30(sata_pkt_txlate_t *, 298 struct mode_acoustic_management *, int, int *, int *, int *); 299 300 static int sata_build_lsense_page_0(sata_drive_info_t *, uint8_t *); 301 static int sata_build_lsense_page_10(sata_drive_info_t *, uint8_t *, 302 sata_hba_inst_t *); 303 static int sata_build_lsense_page_2f(sata_drive_info_t *, uint8_t *, 304 sata_hba_inst_t *); 305 static int sata_build_lsense_page_30(sata_drive_info_t *, uint8_t *, 306 sata_hba_inst_t *); 307 static void sata_save_drive_settings(sata_drive_info_t *); 308 static void sata_show_drive_info(sata_hba_inst_t *, sata_drive_info_t *); 309 static void sata_log(sata_hba_inst_t *, uint_t, char *fmt, ...); 310 static int sata_fetch_smart_return_status(sata_hba_inst_t *, 311 sata_drive_info_t *); 312 static int sata_fetch_smart_data(sata_hba_inst_t *, sata_drive_info_t *, 313 struct smart_data *); 314 static int sata_smart_selftest_log(sata_hba_inst_t *, 315 sata_drive_info_t *, 316 struct smart_selftest_log *); 317 static int sata_ext_smart_selftest_read_log(sata_hba_inst_t *, 318 sata_drive_info_t *, struct smart_ext_selftest_log *, uint16_t); 319 static int sata_smart_read_log(sata_hba_inst_t *, sata_drive_info_t *, 320 uint8_t *, uint8_t, uint8_t); 321 static int sata_read_log_ext_directory(sata_hba_inst_t *, sata_drive_info_t *, 322 struct read_log_ext_directory *); 323 static void sata_gen_sysevent(sata_hba_inst_t *, sata_address_t *, int); 324 static void sata_xlate_errors(sata_pkt_txlate_t *); 325 static void sata_decode_device_error(sata_pkt_txlate_t *, 326 struct scsi_extended_sense *); 327 static void sata_set_device_removed(dev_info_t *); 328 static boolean_t sata_check_device_removed(dev_info_t *); 329 static void sata_set_target_node_cleanup(sata_hba_inst_t *, sata_address_t *); 330 static int sata_ncq_err_ret_cmd_setup(sata_pkt_txlate_t *, 331 sata_drive_info_t *); 332 static int sata_atapi_err_ret_cmd_setup(sata_pkt_txlate_t *, 333 sata_drive_info_t *); 334 static void sata_atapi_packet_cmd_setup(sata_cmd_t *, sata_drive_info_t *); 335 static void sata_fixed_sense_data_preset(struct scsi_extended_sense *); 336 static void sata_target_devid_register(dev_info_t *, sata_drive_info_t *); 337 static int sata_check_modser(char *, int); 338 339 340 341 /* 342 * SATA Framework will ignore SATA HBA driver cb_ops structure and 343 * register following one with SCSA framework. 344 * Open & close are provided, so scsi framework will not use its own 345 */ 346 static struct cb_ops sata_cb_ops = { 347 sata_hba_open, /* open */ 348 sata_hba_close, /* close */ 349 nodev, /* strategy */ 350 nodev, /* print */ 351 nodev, /* dump */ 352 nodev, /* read */ 353 nodev, /* write */ 354 sata_hba_ioctl, /* ioctl */ 355 nodev, /* devmap */ 356 nodev, /* mmap */ 357 nodev, /* segmap */ 358 nochpoll, /* chpoll */ 359 ddi_prop_op, /* cb_prop_op */ 360 0, /* streamtab */ 361 D_NEW | D_MP, /* cb_flag */ 362 CB_REV, /* rev */ 363 nodev, /* aread */ 364 nodev /* awrite */ 365 }; 366 367 368 extern struct mod_ops mod_miscops; 369 extern uchar_t scsi_cdb_size[]; 370 371 static struct modlmisc modlmisc = { 372 &mod_miscops, /* Type of module */ 373 "SATA Module" /* module name */ 374 }; 375 376 377 static struct modlinkage modlinkage = { 378 MODREV_1, 379 (void *)&modlmisc, 380 NULL 381 }; 382 383 /* 384 * Default sata pkt timeout. Used when a target driver scsi_pkt time is zero, 385 * i.e. when scsi_pkt has not timeout specified. 386 */ 387 static int sata_default_pkt_time = 60; /* 60 seconds */ 388 389 /* 390 * Intermediate buffer device access attributes - they are required, 391 * but not necessarily used. 392 */ 393 static ddi_device_acc_attr_t sata_acc_attr = { 394 DDI_DEVICE_ATTR_V0, 395 DDI_STRUCTURE_LE_ACC, 396 DDI_STRICTORDER_ACC 397 }; 398 399 400 /* 401 * Mutexes protecting structures in multithreaded operations. 402 * Because events are relatively rare, a single global mutex protecting 403 * data structures should be sufficient. To increase performance, add 404 * separate mutex per each sata port and use global mutex only to protect 405 * common data structures. 406 */ 407 static kmutex_t sata_mutex; /* protects sata_hba_list */ 408 static kmutex_t sata_log_mutex; /* protects log */ 409 410 static char sata_log_buf[256]; 411 412 /* Default write cache setting for SATA hard disks */ 413 int sata_write_cache = 1; /* enabled */ 414 415 /* Default write cache setting for SATA ATAPI CD/DVD */ 416 int sata_atapicdvd_write_cache = 1; /* enabled */ 417 418 /* 419 * Linked list of HBA instances 420 */ 421 static sata_hba_inst_t *sata_hba_list = NULL; 422 static sata_hba_inst_t *sata_hba_list_tail = NULL; 423 /* 424 * Pointer to per-instance SATA HBA soft structure is stored in sata_hba_tran 425 * structure and in sata soft state. 426 */ 427 428 /* 429 * Event daemon related variables 430 */ 431 static kmutex_t sata_event_mutex; 432 static kcondvar_t sata_event_cv; 433 static kthread_t *sata_event_thread = NULL; 434 static int sata_event_thread_terminate = 0; 435 static int sata_event_pending = 0; 436 static int sata_event_thread_active = 0; 437 extern pri_t minclsyspri; 438 439 /* 440 * NCQ error recovery command 441 */ 442 static const sata_cmd_t sata_rle_cmd = { 443 SATA_CMD_REV, 444 NULL, 445 { 446 SATA_DIR_READ 447 }, 448 ATA_ADDR_LBA48, 449 0, 450 0, 451 0, 452 0, 453 0, 454 1, 455 READ_LOG_EXT_NCQ_ERROR_RECOVERY, 456 0, 457 0, 458 0, 459 SATAC_READ_LOG_EXT, 460 0, 461 0, 462 0, 463 }; 464 465 /* 466 * ATAPI error recovery CDB 467 */ 468 static const uint8_t sata_rqsense_cdb[SATA_ATAPI_RQSENSE_CDB_LEN] = { 469 SCMD_REQUEST_SENSE, 470 0, /* Only fixed RQ format is supported */ 471 0, 472 0, 473 SATA_ATAPI_MIN_RQSENSE_LEN, /* Less data may be returned */ 474 0 475 }; 476 477 478 /* Warlock directives */ 479 480 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", scsi_hba_tran)) 481 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", scsi_device)) 482 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", dev_ops)) 483 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", scsi_extended_sense)) 484 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", scsi_arq_status)) 485 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", ddi_dma_attr)) 486 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", ddi_dma_cookie_t)) 487 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", devctl_ap_state)) 488 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", dev_info::devi_state)) 489 _NOTE(MUTEX_PROTECTS_DATA(sata_mutex, sata_hba_list)) 490 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_hba_list)) 491 _NOTE(MUTEX_PROTECTS_DATA(sata_mutex, sata_hba_inst::satahba_next)) 492 _NOTE(MUTEX_PROTECTS_DATA(sata_mutex, sata_hba_inst::satahba_prev)) 493 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", \ 494 sata_hba_inst::satahba_scsi_tran)) 495 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", sata_hba_inst::satahba_tran)) 496 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", sata_hba_inst::satahba_dip)) 497 _NOTE(SCHEME_PROTECTS_DATA("Scheme", sata_hba_inst::satahba_attached)) 498 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_hba_inst::satahba_dev_port)) 499 _NOTE(MUTEX_PROTECTS_DATA(sata_hba_inst::satahba_mutex, 500 sata_hba_inst::satahba_event_flags)) 501 _NOTE(MUTEX_PROTECTS_DATA(sata_cport_info::cport_mutex, \ 502 sata_cport_info::cport_devp)) 503 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_cport_info::cport_devp)) 504 _NOTE(SCHEME_PROTECTS_DATA("Scheme", sata_cport_info::cport_addr)) 505 _NOTE(MUTEX_PROTECTS_DATA(sata_cport_info::cport_mutex, \ 506 sata_cport_info::cport_dev_type)) 507 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_cport_info::cport_dev_type)) 508 _NOTE(MUTEX_PROTECTS_DATA(sata_cport_info::cport_mutex, \ 509 sata_cport_info::cport_state)) 510 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_cport_info::cport_state)) 511 _NOTE(MUTEX_PROTECTS_DATA(sata_cport_info::cport_mutex, \ 512 sata_pmport_info::pmport_state)) 513 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmport_info::pmport_state)) 514 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmport_info::pmport_dev_type)) 515 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmport_info::pmport_sata_drive)) 516 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmult_info::pmult_dev_port)) 517 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmult_info::pmult_num_dev_ports)) 518 #ifdef SATA_DEBUG 519 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", mbuf_count)) 520 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", mbuffail_count)) 521 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", sata_atapi_trace)) 522 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", sata_atapi_trace_index)) 523 #endif 524 525 /* End of warlock directives */ 526 527 /* ************** loadable module configuration functions ************** */ 528 529 int 530 _init() 531 { 532 int rval; 533 534 mutex_init(&sata_mutex, NULL, MUTEX_DRIVER, NULL); 535 mutex_init(&sata_event_mutex, NULL, MUTEX_DRIVER, NULL); 536 mutex_init(&sata_log_mutex, NULL, MUTEX_DRIVER, NULL); 537 cv_init(&sata_event_cv, NULL, CV_DRIVER, NULL); 538 if ((rval = mod_install(&modlinkage)) != 0) { 539 #ifdef SATA_DEBUG 540 cmn_err(CE_WARN, "sata: _init: mod_install failed\n"); 541 #endif 542 mutex_destroy(&sata_log_mutex); 543 cv_destroy(&sata_event_cv); 544 mutex_destroy(&sata_event_mutex); 545 mutex_destroy(&sata_mutex); 546 } 547 return (rval); 548 } 549 550 int 551 _fini() 552 { 553 int rval; 554 555 if ((rval = mod_remove(&modlinkage)) != 0) 556 return (rval); 557 558 mutex_destroy(&sata_log_mutex); 559 cv_destroy(&sata_event_cv); 560 mutex_destroy(&sata_event_mutex); 561 mutex_destroy(&sata_mutex); 562 return (rval); 563 } 564 565 int 566 _info(struct modinfo *modinfop) 567 { 568 return (mod_info(&modlinkage, modinfop)); 569 } 570 571 572 573 /* ********************* SATA HBA entry points ********************* */ 574 575 576 /* 577 * Called by SATA HBA from _init(). 578 * Registers HBA driver instance/sata framework pair with scsi framework, by 579 * calling scsi_hba_init(). 580 * 581 * SATA HBA driver cb_ops are ignored - SATA HBA framework cb_ops are used 582 * instead. SATA HBA framework cb_ops pointer overwrites SATA HBA driver 583 * cb_ops pointer in SATA HBA driver dev_ops structure. 584 * SATA HBA framework cb_ops supplies cb_open cb_close and cb_ioctl vectors. 585 * 586 * Return status of the scsi_hba_init() is returned to a calling SATA HBA 587 * driver. 588 */ 589 int 590 sata_hba_init(struct modlinkage *modlp) 591 { 592 int rval; 593 struct dev_ops *hba_ops; 594 595 SATADBG1(SATA_DBG_HBA_IF, NULL, 596 "sata_hba_init: name %s \n", 597 ((struct modldrv *)(modlp->ml_linkage[0]))->drv_linkinfo); 598 /* 599 * Fill-up cb_ops and dev_ops when necessary 600 */ 601 hba_ops = ((struct modldrv *)(modlp->ml_linkage[0]))->drv_dev_ops; 602 /* 603 * Provide pointer to SATA dev_ops 604 */ 605 hba_ops->devo_cb_ops = &sata_cb_ops; 606 607 /* 608 * Register SATA HBA with SCSI framework 609 */ 610 if ((rval = scsi_hba_init(modlp)) != 0) { 611 SATADBG1(SATA_DBG_HBA_IF, NULL, 612 "sata_hba_init: scsi hba init failed\n", NULL); 613 return (rval); 614 } 615 616 return (0); 617 } 618 619 620 /* HBA attach stages */ 621 #define HBA_ATTACH_STAGE_SATA_HBA_INST 1 622 #define HBA_ATTACH_STAGE_SCSI_ATTACHED 2 623 #define HBA_ATTACH_STAGE_SETUP 4 624 #define HBA_ATTACH_STAGE_LINKED 8 625 626 627 /* 628 * 629 * Called from SATA HBA driver's attach routine to attach an instance of 630 * the HBA. 631 * 632 * For DDI_ATTACH command: 633 * sata_hba_inst structure is allocated here and initialized with pointers to 634 * SATA framework implementation of required scsi tran functions. 635 * The scsi_tran's tran_hba_private field is used by SATA Framework to point 636 * to the soft structure (sata_hba_inst) allocated by SATA framework for 637 * SATA HBA instance related data. 638 * The scsi_tran's tran_hba_private field is used by SATA framework to 639 * store a pointer to per-HBA-instance of sata_hba_inst structure. 640 * The sata_hba_inst structure is cross-linked to scsi tran structure. 641 * Among other info, a pointer to sata_hba_tran structure is stored in 642 * sata_hba_inst. The sata_hba_inst structures for different HBA instances are 643 * linked together into the list, pointed to by sata_hba_list. 644 * On the first HBA instance attach the sata event thread is initialized. 645 * Attachment points are created for all SATA ports of the HBA being attached. 646 * All HBA instance's SATA ports are probed and type of plugged devices is 647 * determined. For each device of a supported type, a target node is created. 648 * 649 * DDI_SUCCESS is returned when attachment process is successful, 650 * DDI_FAILURE is returned otherwise. 651 * 652 * For DDI_RESUME command: 653 * Not implemented at this time (postponed until phase 2 of the development). 654 */ 655 int 656 sata_hba_attach(dev_info_t *dip, sata_hba_tran_t *sata_tran, 657 ddi_attach_cmd_t cmd) 658 { 659 sata_hba_inst_t *sata_hba_inst; 660 scsi_hba_tran_t *scsi_tran = NULL; 661 int hba_attach_state = 0; 662 char taskq_name[MAXPATHLEN]; 663 664 SATADBG3(SATA_DBG_HBA_IF, NULL, 665 "sata_hba_attach: node %s (%s%d)\n", 666 ddi_node_name(dip), ddi_driver_name(dip), 667 ddi_get_instance(dip)); 668 669 if (cmd == DDI_RESUME) { 670 /* 671 * Postponed until phase 2 of the development 672 */ 673 return (DDI_FAILURE); 674 } 675 676 if (cmd != DDI_ATTACH) { 677 return (DDI_FAILURE); 678 } 679 680 /* cmd == DDI_ATTACH */ 681 682 if (sata_validate_sata_hba_tran(dip, sata_tran) != SATA_SUCCESS) { 683 SATA_LOG_D((NULL, CE_WARN, 684 "sata_hba_attach: invalid sata_hba_tran")); 685 return (DDI_FAILURE); 686 } 687 /* 688 * Allocate and initialize SCSI tran structure. 689 * SATA copy of tran_bus_config is provided to create port nodes. 690 */ 691 scsi_tran = scsi_hba_tran_alloc(dip, SCSI_HBA_CANSLEEP); 692 if (scsi_tran == NULL) 693 return (DDI_FAILURE); 694 /* 695 * Allocate soft structure for SATA HBA instance. 696 * There is a separate softstate for each HBA instance. 697 */ 698 sata_hba_inst = kmem_zalloc(sizeof (struct sata_hba_inst), KM_SLEEP); 699 ASSERT(sata_hba_inst != NULL); /* this should not fail */ 700 mutex_init(&sata_hba_inst->satahba_mutex, NULL, MUTEX_DRIVER, NULL); 701 hba_attach_state |= HBA_ATTACH_STAGE_SATA_HBA_INST; 702 703 /* 704 * scsi_trans's tran_hba_private is used by SATA Framework to point to 705 * soft structure allocated by SATA framework for 706 * SATA HBA instance related data. 707 */ 708 scsi_tran->tran_hba_private = sata_hba_inst; 709 scsi_tran->tran_tgt_private = NULL; 710 711 scsi_tran->tran_tgt_init = sata_scsi_tgt_init; 712 scsi_tran->tran_tgt_probe = sata_scsi_tgt_probe; 713 scsi_tran->tran_tgt_free = sata_scsi_tgt_free; 714 715 scsi_tran->tran_start = sata_scsi_start; 716 scsi_tran->tran_reset = sata_scsi_reset; 717 scsi_tran->tran_abort = sata_scsi_abort; 718 scsi_tran->tran_getcap = sata_scsi_getcap; 719 scsi_tran->tran_setcap = sata_scsi_setcap; 720 scsi_tran->tran_init_pkt = sata_scsi_init_pkt; 721 scsi_tran->tran_destroy_pkt = sata_scsi_destroy_pkt; 722 723 scsi_tran->tran_dmafree = sata_scsi_dmafree; 724 scsi_tran->tran_sync_pkt = sata_scsi_sync_pkt; 725 726 scsi_tran->tran_reset_notify = NULL; 727 scsi_tran->tran_get_bus_addr = NULL; 728 scsi_tran->tran_quiesce = NULL; 729 scsi_tran->tran_unquiesce = NULL; 730 scsi_tran->tran_bus_reset = NULL; 731 732 if (scsi_hba_attach_setup(dip, sata_tran->sata_tran_hba_dma_attr, 733 scsi_tran, 0) != DDI_SUCCESS) { 734 #ifdef SATA_DEBUG 735 cmn_err(CE_WARN, "?SATA: %s%d hba scsi attach failed", 736 ddi_driver_name(dip), ddi_get_instance(dip)); 737 #endif 738 goto fail; 739 } 740 hba_attach_state |= HBA_ATTACH_STAGE_SCSI_ATTACHED; 741 742 if (!ddi_prop_exists(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "sata")) { 743 if (ddi_prop_update_int(DDI_DEV_T_NONE, dip, 744 "sata", 1) != DDI_PROP_SUCCESS) { 745 SATA_LOG_D((NULL, CE_WARN, "sata_hba_attach: " 746 "failed to create hba sata prop")); 747 goto fail; 748 } 749 } 750 751 /* 752 * Save pointers in hba instance soft state. 753 */ 754 sata_hba_inst->satahba_scsi_tran = scsi_tran; 755 sata_hba_inst->satahba_tran = sata_tran; 756 sata_hba_inst->satahba_dip = dip; 757 758 /* 759 * Create a task queue to handle emulated commands completion 760 * Use node name, dash, instance number as the queue name. 761 */ 762 taskq_name[0] = '\0'; 763 (void) strlcat(taskq_name, DEVI(dip)->devi_node_name, 764 sizeof (taskq_name)); 765 (void) snprintf(taskq_name + strlen(taskq_name), 766 sizeof (taskq_name) - strlen(taskq_name), 767 "-%d", DEVI(dip)->devi_instance); 768 sata_hba_inst->satahba_taskq = taskq_create(taskq_name, 1, 769 minclsyspri, 1, sata_tran->sata_tran_hba_num_cports, 770 TASKQ_DYNAMIC); 771 772 hba_attach_state |= HBA_ATTACH_STAGE_SETUP; 773 774 /* 775 * Create events thread if not created yet. 776 */ 777 sata_event_thread_control(1); 778 779 /* 780 * Link this hba instance into the list. 781 */ 782 mutex_enter(&sata_mutex); 783 784 if (sata_hba_list == NULL) { 785 /* 786 * The first instance of HBA is attached. 787 * Set current/active default maximum NCQ/TCQ queue depth for 788 * all SATA devices. It is done here and now, to eliminate the 789 * possibility of the dynamic, programatic modification of the 790 * queue depth via global (and public) sata_max_queue_depth 791 * variable (this would require special handling in HBA drivers) 792 */ 793 sata_current_max_qdepth = sata_max_queue_depth; 794 if (sata_current_max_qdepth > 32) 795 sata_current_max_qdepth = 32; 796 else if (sata_current_max_qdepth < 1) 797 sata_current_max_qdepth = 1; 798 } 799 800 sata_hba_inst->satahba_next = NULL; 801 sata_hba_inst->satahba_prev = sata_hba_list_tail; 802 if (sata_hba_list == NULL) { 803 sata_hba_list = sata_hba_inst; 804 } 805 if (sata_hba_list_tail != NULL) { 806 sata_hba_list_tail->satahba_next = sata_hba_inst; 807 } 808 sata_hba_list_tail = sata_hba_inst; 809 mutex_exit(&sata_mutex); 810 hba_attach_state |= HBA_ATTACH_STAGE_LINKED; 811 812 /* 813 * Create SATA HBA devctl minor node for sata_hba_open, close, ioctl 814 * SATA HBA driver should not use its own open/close entry points. 815 * 816 * Make sure that instance number doesn't overflow 817 * when forming minor numbers. 818 */ 819 ASSERT(ddi_get_instance(dip) <= (L_MAXMIN >> INST_MINOR_SHIFT)); 820 if (ddi_create_minor_node(dip, "devctl", S_IFCHR, 821 INST2DEVCTL(ddi_get_instance(dip)), 822 DDI_NT_SATA_NEXUS, 0) != DDI_SUCCESS) { 823 #ifdef SATA_DEBUG 824 cmn_err(CE_WARN, "sata_hba_attach: " 825 "cannot create devctl minor node"); 826 #endif 827 goto fail; 828 } 829 830 831 /* 832 * Set-up kstats here, if necessary. 833 * (postponed until phase 2 of the development). 834 */ 835 836 837 /* 838 * Probe controller ports. This operation will describe a current 839 * controller/port/multipliers/device configuration and will create 840 * attachment points. 841 * We may end-up with just a controller with no devices attached. 842 * For the ports with a supported device attached, device target nodes 843 * are created and devices are initialized. 844 */ 845 sata_probe_ports(sata_hba_inst); 846 847 sata_hba_inst->satahba_attached = 1; 848 return (DDI_SUCCESS); 849 850 fail: 851 if (hba_attach_state & HBA_ATTACH_STAGE_LINKED) { 852 (void) sata_remove_hba_instance(dip); 853 if (sata_hba_list == NULL) 854 sata_event_thread_control(0); 855 } 856 857 if (hba_attach_state & HBA_ATTACH_STAGE_SETUP) { 858 (void) ddi_prop_remove(DDI_DEV_T_ANY, dip, "sata"); 859 taskq_destroy(sata_hba_inst->satahba_taskq); 860 } 861 862 if (hba_attach_state & HBA_ATTACH_STAGE_SCSI_ATTACHED) 863 (void) scsi_hba_detach(dip); 864 865 if (hba_attach_state & HBA_ATTACH_STAGE_SATA_HBA_INST) { 866 mutex_destroy(&sata_hba_inst->satahba_mutex); 867 kmem_free((void *)sata_hba_inst, 868 sizeof (struct sata_hba_inst)); 869 scsi_hba_tran_free(scsi_tran); 870 } 871 872 sata_log(NULL, CE_WARN, "?SATA: %s%d hba attach failed", 873 ddi_driver_name(dip), ddi_get_instance(dip)); 874 875 return (DDI_FAILURE); 876 } 877 878 879 /* 880 * Called by SATA HBA from to detach an instance of the driver. 881 * 882 * For DDI_DETACH command: 883 * Free local structures allocated for SATA HBA instance during 884 * sata_hba_attach processing. 885 * 886 * Returns DDI_SUCCESS when HBA was detached, DDI_FAILURE otherwise. 887 * 888 * For DDI_SUSPEND command: 889 * Not implemented at this time (postponed until phase 2 of the development) 890 * Returnd DDI_SUCCESS. 891 * 892 * When the last HBA instance is detached, the event daemon is terminated. 893 * 894 * NOTE: cport support only, no port multiplier support. 895 */ 896 int 897 sata_hba_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 898 { 899 dev_info_t *tdip; 900 sata_hba_inst_t *sata_hba_inst; 901 scsi_hba_tran_t *scsi_hba_tran; 902 sata_cport_info_t *cportinfo; 903 sata_drive_info_t *sdinfo; 904 int ncport; 905 906 SATADBG3(SATA_DBG_HBA_IF, NULL, "sata_hba_detach: node %s (%s%d)\n", 907 ddi_node_name(dip), ddi_driver_name(dip), ddi_get_instance(dip)); 908 909 switch (cmd) { 910 case DDI_DETACH: 911 912 if ((scsi_hba_tran = ddi_get_driver_private(dip)) == NULL) 913 return (DDI_FAILURE); 914 915 sata_hba_inst = scsi_hba_tran->tran_hba_private; 916 if (sata_hba_inst == NULL) 917 return (DDI_FAILURE); 918 919 if (scsi_hba_detach(dip) == DDI_FAILURE) { 920 sata_hba_inst->satahba_attached = 1; 921 return (DDI_FAILURE); 922 } 923 924 /* 925 * Free all target nodes - at this point 926 * devices should be at least offlined 927 * otherwise scsi_hba_detach() should not be called. 928 */ 929 for (ncport = 0; ncport < SATA_NUM_CPORTS(sata_hba_inst); 930 ncport++) { 931 cportinfo = SATA_CPORT_INFO(sata_hba_inst, ncport); 932 if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { 933 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 934 if (sdinfo != NULL) { 935 tdip = sata_get_target_dip(dip, 936 ncport); 937 if (tdip != NULL) { 938 if (ndi_devi_offline(tdip, 939 NDI_DEVI_REMOVE) != 940 NDI_SUCCESS) { 941 SATA_LOG_D(( 942 sata_hba_inst, 943 CE_WARN, 944 "sata_hba_detach: " 945 "Target node not " 946 "removed !")); 947 return (DDI_FAILURE); 948 } 949 } 950 } 951 } 952 } 953 /* 954 * Disable sata event daemon processing for this HBA 955 */ 956 sata_hba_inst->satahba_attached = 0; 957 958 /* 959 * Remove event daemon thread, if it is last HBA instance. 960 */ 961 962 mutex_enter(&sata_mutex); 963 if (sata_hba_list->satahba_next == NULL) { 964 mutex_exit(&sata_mutex); 965 sata_event_thread_control(0); 966 mutex_enter(&sata_mutex); 967 } 968 mutex_exit(&sata_mutex); 969 970 /* Remove this HBA instance from the HBA list */ 971 sata_remove_hba_instance(dip); 972 973 /* 974 * At this point there should be no target nodes attached. 975 * Detach and destroy device and port info structures. 976 */ 977 for (ncport = 0; ncport < SATA_NUM_CPORTS(sata_hba_inst); 978 ncport++) { 979 cportinfo = SATA_CPORT_INFO(sata_hba_inst, ncport); 980 if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { 981 sdinfo = 982 cportinfo->cport_devp.cport_sata_drive; 983 if (sdinfo != NULL) { 984 /* Release device structure */ 985 kmem_free(sdinfo, 986 sizeof (sata_drive_info_t)); 987 } 988 /* Release cport info */ 989 mutex_destroy(&cportinfo->cport_mutex); 990 kmem_free(cportinfo, 991 sizeof (sata_cport_info_t)); 992 } 993 } 994 995 scsi_hba_tran_free(sata_hba_inst->satahba_scsi_tran); 996 997 (void) ddi_prop_remove(DDI_DEV_T_ANY, dip, "sata"); 998 999 taskq_destroy(sata_hba_inst->satahba_taskq); 1000 1001 mutex_destroy(&sata_hba_inst->satahba_mutex); 1002 kmem_free((void *)sata_hba_inst, 1003 sizeof (struct sata_hba_inst)); 1004 1005 return (DDI_SUCCESS); 1006 1007 case DDI_SUSPEND: 1008 /* 1009 * Postponed until phase 2 1010 */ 1011 return (DDI_FAILURE); 1012 1013 default: 1014 return (DDI_FAILURE); 1015 } 1016 } 1017 1018 1019 /* 1020 * Called by an HBA drive from _fini() routine. 1021 * Unregisters SATA HBA instance/SATA framework pair from the scsi framework. 1022 */ 1023 void 1024 sata_hba_fini(struct modlinkage *modlp) 1025 { 1026 SATADBG1(SATA_DBG_HBA_IF, NULL, 1027 "sata_hba_fini: name %s\n", 1028 ((struct modldrv *)(modlp->ml_linkage[0]))->drv_linkinfo); 1029 1030 scsi_hba_fini(modlp); 1031 } 1032 1033 1034 /* 1035 * Default open and close routine for sata_hba framework. 1036 * 1037 */ 1038 /* 1039 * Open devctl node. 1040 * 1041 * Returns: 1042 * 0 if node was open successfully, error code otherwise. 1043 * 1044 * 1045 */ 1046 1047 static int 1048 sata_hba_open(dev_t *devp, int flags, int otyp, cred_t *credp) 1049 { 1050 #ifndef __lock_lint 1051 _NOTE(ARGUNUSED(credp)) 1052 #endif 1053 int rv = 0; 1054 dev_info_t *dip; 1055 scsi_hba_tran_t *scsi_hba_tran; 1056 sata_hba_inst_t *sata_hba_inst; 1057 1058 SATADBG1(SATA_DBG_IOCTL_IF, NULL, "sata_hba_open: entered", NULL); 1059 1060 if (otyp != OTYP_CHR) 1061 return (EINVAL); 1062 1063 dip = sata_devt_to_devinfo(*devp); 1064 if (dip == NULL) 1065 return (ENXIO); 1066 1067 if ((scsi_hba_tran = ddi_get_driver_private(dip)) == NULL) 1068 return (ENXIO); 1069 1070 sata_hba_inst = scsi_hba_tran->tran_hba_private; 1071 if (sata_hba_inst == NULL || sata_hba_inst->satahba_attached == 0) 1072 return (ENXIO); 1073 1074 mutex_enter(&sata_mutex); 1075 if (flags & FEXCL) { 1076 if (sata_hba_inst->satahba_open_flag != 0) { 1077 rv = EBUSY; 1078 } else { 1079 sata_hba_inst->satahba_open_flag = 1080 SATA_DEVCTL_EXOPENED; 1081 } 1082 } else { 1083 if (sata_hba_inst->satahba_open_flag == SATA_DEVCTL_EXOPENED) { 1084 rv = EBUSY; 1085 } else { 1086 sata_hba_inst->satahba_open_flag = 1087 SATA_DEVCTL_SOPENED; 1088 } 1089 } 1090 mutex_exit(&sata_mutex); 1091 1092 return (rv); 1093 } 1094 1095 1096 /* 1097 * Close devctl node. 1098 * Returns: 1099 * 0 if node was closed successfully, error code otherwise. 1100 * 1101 */ 1102 1103 static int 1104 sata_hba_close(dev_t dev, int flag, int otyp, cred_t *credp) 1105 { 1106 #ifndef __lock_lint 1107 _NOTE(ARGUNUSED(credp)) 1108 _NOTE(ARGUNUSED(flag)) 1109 #endif 1110 dev_info_t *dip; 1111 scsi_hba_tran_t *scsi_hba_tran; 1112 sata_hba_inst_t *sata_hba_inst; 1113 1114 SATADBG1(SATA_DBG_IOCTL_IF, NULL, "sata_hba_close: entered", NULL); 1115 1116 if (otyp != OTYP_CHR) 1117 return (EINVAL); 1118 1119 dip = sata_devt_to_devinfo(dev); 1120 if (dip == NULL) 1121 return (ENXIO); 1122 1123 if ((scsi_hba_tran = ddi_get_driver_private(dip)) == NULL) 1124 return (ENXIO); 1125 1126 sata_hba_inst = scsi_hba_tran->tran_hba_private; 1127 if (sata_hba_inst == NULL || sata_hba_inst->satahba_attached == 0) 1128 return (ENXIO); 1129 1130 mutex_enter(&sata_mutex); 1131 sata_hba_inst->satahba_open_flag = 0; 1132 mutex_exit(&sata_mutex); 1133 return (0); 1134 } 1135 1136 1137 1138 /* 1139 * Standard IOCTL commands for SATA hotplugging. 1140 * Implemented DEVCTL_AP commands: 1141 * DEVCTL_AP_CONNECT 1142 * DEVCTL_AP_DISCONNECT 1143 * DEVCTL_AP_CONFIGURE 1144 * DEVCTL_UNCONFIGURE 1145 * DEVCTL_AP_CONTROL 1146 * 1147 * Commands passed to default ndi ioctl handler: 1148 * DEVCTL_DEVICE_GETSTATE 1149 * DEVCTL_DEVICE_ONLINE 1150 * DEVCTL_DEVICE_OFFLINE 1151 * DEVCTL_DEVICE_REMOVE 1152 * DEVCTL_DEVICE_INSERT 1153 * DEVCTL_BUS_GETSTATE 1154 * 1155 * All other cmds are passed to HBA if it provide ioctl handler, or failed 1156 * if not. 1157 * 1158 * Returns: 1159 * 0 if successful, 1160 * error code if operation failed. 1161 * 1162 * NOTE: Port Multiplier is not supported. 1163 * 1164 */ 1165 1166 static int 1167 sata_hba_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, 1168 int *rvalp) 1169 { 1170 #ifndef __lock_lint 1171 _NOTE(ARGUNUSED(credp)) 1172 _NOTE(ARGUNUSED(rvalp)) 1173 #endif 1174 int rv = 0; 1175 int32_t comp_port = -1; 1176 dev_info_t *dip; 1177 devctl_ap_state_t ap_state; 1178 struct devctl_iocdata *dcp = NULL; 1179 scsi_hba_tran_t *scsi_hba_tran; 1180 sata_hba_inst_t *sata_hba_inst; 1181 sata_device_t sata_device; 1182 sata_cport_info_t *cportinfo; 1183 int cport, pmport, qual; 1184 int rval = SATA_SUCCESS; 1185 1186 dip = sata_devt_to_devinfo(dev); 1187 if (dip == NULL) 1188 return (ENXIO); 1189 1190 if ((scsi_hba_tran = ddi_get_driver_private(dip)) == NULL) 1191 return (ENXIO); 1192 1193 sata_hba_inst = scsi_hba_tran->tran_hba_private; 1194 if (sata_hba_inst == NULL) 1195 return (ENXIO); 1196 1197 if (sata_hba_inst->satahba_tran == NULL) 1198 return (ENXIO); 1199 1200 switch (cmd) { 1201 1202 case DEVCTL_DEVICE_GETSTATE: 1203 case DEVCTL_DEVICE_ONLINE: 1204 case DEVCTL_DEVICE_OFFLINE: 1205 case DEVCTL_DEVICE_REMOVE: 1206 case DEVCTL_BUS_GETSTATE: 1207 /* 1208 * There may be more cases that we want to pass to default 1209 * handler rather than fail them. 1210 */ 1211 return (ndi_devctl_ioctl(dip, cmd, arg, mode, 0)); 1212 } 1213 1214 /* read devctl ioctl data */ 1215 if (cmd != DEVCTL_AP_CONTROL) { 1216 if (ndi_dc_allochdl((void *)arg, &dcp) != NDI_SUCCESS) 1217 return (EFAULT); 1218 1219 if ((comp_port = sata_get_port_num(sata_hba_inst, dcp)) == 1220 -1) { 1221 if (dcp) 1222 ndi_dc_freehdl(dcp); 1223 return (EINVAL); 1224 } 1225 1226 cport = SCSI_TO_SATA_CPORT(comp_port); 1227 pmport = SCSI_TO_SATA_PMPORT(comp_port); 1228 /* Only cport is considered now, i.e. SATA_ADDR_CPORT */ 1229 qual = SATA_ADDR_CPORT; 1230 if (sata_validate_sata_address(sata_hba_inst, cport, pmport, 1231 qual) != 0) { 1232 ndi_dc_freehdl(dcp); 1233 return (EINVAL); 1234 } 1235 1236 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 1237 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1238 cport_mutex); 1239 if (cportinfo->cport_event_flags & SATA_EVNT_LOCK_PORT_BUSY) { 1240 /* 1241 * Cannot process ioctl request now. Come back later. 1242 */ 1243 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1244 cport_mutex); 1245 ndi_dc_freehdl(dcp); 1246 return (EBUSY); 1247 } 1248 /* Block event processing for this port */ 1249 cportinfo->cport_event_flags |= SATA_APCTL_LOCK_PORT_BUSY; 1250 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 1251 1252 sata_device.satadev_addr.cport = cport; 1253 sata_device.satadev_addr.pmport = pmport; 1254 sata_device.satadev_addr.qual = qual; 1255 sata_device.satadev_rev = SATA_DEVICE_REV; 1256 } 1257 1258 switch (cmd) { 1259 1260 case DEVCTL_AP_DISCONNECT: 1261 1262 /* 1263 * Normally, cfgadm sata plugin will try to offline 1264 * (unconfigure) device before this request. Nevertheless, 1265 * if a device is still configured, we need to 1266 * attempt to offline and unconfigure device first, and we will 1267 * deactivate the port regardless of the unconfigure 1268 * operation results. 1269 * 1270 */ 1271 rv = sata_ioctl_disconnect(sata_hba_inst, &sata_device); 1272 1273 break; 1274 1275 case DEVCTL_AP_UNCONFIGURE: 1276 1277 /* 1278 * The unconfigure operation uses generic nexus operation to 1279 * offline a device. It leaves a target device node attached. 1280 * and obviously sata_drive_info attached as well, because 1281 * from the hardware point of view nothing has changed. 1282 */ 1283 rv = sata_ioctl_unconfigure(sata_hba_inst, &sata_device); 1284 break; 1285 1286 case DEVCTL_AP_CONNECT: 1287 { 1288 /* 1289 * The sata cfgadm pluging will invoke this operation only if 1290 * port was found in the disconnect state (failed state 1291 * is also treated as the disconnected state). 1292 * If port activation is successful and a device is found 1293 * attached to the port, the initialization sequence is 1294 * executed to probe the port and attach 1295 * a device structure to a port structure. The device is not 1296 * set in configured state (system-wise) by this operation. 1297 */ 1298 1299 rv = sata_ioctl_connect(sata_hba_inst, &sata_device); 1300 1301 break; 1302 } 1303 1304 case DEVCTL_AP_CONFIGURE: 1305 { 1306 /* 1307 * A port may be in an active or shutdown state. 1308 * If port is in a failed state, operation is aborted. 1309 * If a port is in a shutdown state, sata_tran_port_activate() 1310 * is invoked prior to any other operation. 1311 * 1312 * Onlining the device involves creating a new target node. 1313 * If there is an old target node present (belonging to 1314 * previously removed device), the operation is aborted - the 1315 * old node has to be released and removed before configure 1316 * operation is attempted. 1317 */ 1318 1319 rv = sata_ioctl_configure(sata_hba_inst, &sata_device); 1320 1321 break; 1322 } 1323 1324 case DEVCTL_AP_GETSTATE: 1325 1326 sata_cfgadm_state(sata_hba_inst, comp_port, &ap_state); 1327 1328 ap_state.ap_last_change = (time_t)-1; 1329 ap_state.ap_error_code = 0; 1330 ap_state.ap_in_transition = 0; 1331 1332 /* Copy the return AP-state information to the user space */ 1333 if (ndi_dc_return_ap_state(&ap_state, dcp) != NDI_SUCCESS) { 1334 rv = EFAULT; 1335 } 1336 break; 1337 1338 case DEVCTL_AP_CONTROL: 1339 { 1340 /* 1341 * Generic devctl for hardware specific functionality 1342 */ 1343 sata_ioctl_data_t ioc; 1344 1345 ASSERT(dcp == NULL); 1346 1347 /* Copy in user ioctl data first */ 1348 #ifdef _MULTI_DATAMODEL 1349 if (ddi_model_convert_from(mode & FMODELS) == 1350 DDI_MODEL_ILP32) { 1351 1352 sata_ioctl_data_32_t ioc32; 1353 1354 if (ddi_copyin((void *)arg, (void *)&ioc32, 1355 sizeof (ioc32), mode) != 0) { 1356 rv = EFAULT; 1357 break; 1358 } 1359 ioc.cmd = (uint_t)ioc32.cmd; 1360 ioc.port = (uint_t)ioc32.port; 1361 ioc.get_size = (uint_t)ioc32.get_size; 1362 ioc.buf = (caddr_t)(uintptr_t)ioc32.buf; 1363 ioc.bufsiz = (uint_t)ioc32.bufsiz; 1364 ioc.misc_arg = (uint_t)ioc32.misc_arg; 1365 } else 1366 #endif /* _MULTI_DATAMODEL */ 1367 if (ddi_copyin((void *)arg, (void *)&ioc, sizeof (ioc), 1368 mode) != 0) { 1369 return (EFAULT); 1370 } 1371 1372 SATADBG2(SATA_DBG_IOCTL_IF, sata_hba_inst, 1373 "sata_hba_ioctl: DEVCTL_AP_CONTROL " 1374 "cmd 0x%x, port 0x%x", ioc.cmd, ioc.port); 1375 1376 /* 1377 * To avoid BE/LE and 32/64 issues, a get_size always returns 1378 * a 32-bit number. 1379 */ 1380 if (ioc.get_size != 0 && ioc.bufsiz != (sizeof (uint32_t))) { 1381 return (EINVAL); 1382 } 1383 /* validate address */ 1384 cport = SCSI_TO_SATA_CPORT(ioc.port); 1385 pmport = SCSI_TO_SATA_PMPORT(ioc.port); 1386 qual = SCSI_TO_SATA_ADDR_QUAL(ioc.port); 1387 1388 /* Override address qualifier - handle cport only for now */ 1389 qual = SATA_ADDR_CPORT; 1390 1391 if (sata_validate_sata_address(sata_hba_inst, cport, 1392 pmport, qual) != 0) 1393 return (EINVAL); 1394 1395 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 1396 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1397 cport_mutex); 1398 /* Is the port locked by event processing daemon ? */ 1399 if (cportinfo->cport_event_flags & SATA_EVNT_LOCK_PORT_BUSY) { 1400 /* 1401 * Cannot process ioctl request now. Come back later 1402 */ 1403 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1404 cport_mutex); 1405 return (EBUSY); 1406 } 1407 /* Block event processing for this port */ 1408 cportinfo->cport_event_flags |= SATA_APCTL_LOCK_PORT_BUSY; 1409 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 1410 1411 1412 sata_device.satadev_addr.cport = cport; 1413 sata_device.satadev_addr.pmport = pmport; 1414 sata_device.satadev_addr.qual = qual; 1415 sata_device.satadev_rev = SATA_DEVICE_REV; 1416 1417 switch (ioc.cmd) { 1418 1419 case SATA_CFGA_RESET_PORT: 1420 /* 1421 * There is no protection for configured device. 1422 */ 1423 rv = sata_ioctl_reset_port(sata_hba_inst, &sata_device); 1424 break; 1425 1426 case SATA_CFGA_RESET_DEVICE: 1427 /* 1428 * There is no protection for configured device. 1429 */ 1430 rv = sata_ioctl_reset_device(sata_hba_inst, 1431 &sata_device); 1432 break; 1433 1434 case SATA_CFGA_RESET_ALL: 1435 /* 1436 * There is no protection for configured devices. 1437 */ 1438 rv = sata_ioctl_reset_all(sata_hba_inst); 1439 /* 1440 * We return here, because common return is for 1441 * a single port operation - we have already unlocked 1442 * all ports and no dc handle was allocated. 1443 */ 1444 return (rv); 1445 1446 case SATA_CFGA_PORT_DEACTIVATE: 1447 /* 1448 * Arbitrarily unconfigure attached device, if any. 1449 * Even if the unconfigure fails, proceed with the 1450 * port deactivation. 1451 */ 1452 rv = sata_ioctl_deactivate(sata_hba_inst, &sata_device); 1453 1454 break; 1455 1456 case SATA_CFGA_PORT_ACTIVATE: 1457 1458 rv = sata_ioctl_activate(sata_hba_inst, &sata_device); 1459 break; 1460 1461 case SATA_CFGA_PORT_SELF_TEST: 1462 1463 rv = sata_ioctl_port_self_test(sata_hba_inst, 1464 &sata_device); 1465 break; 1466 1467 case SATA_CFGA_GET_DEVICE_PATH: 1468 if (qual == SATA_ADDR_CPORT) 1469 sata_device.satadev_addr.qual = 1470 SATA_ADDR_DCPORT; 1471 else 1472 sata_device.satadev_addr.qual = 1473 SATA_ADDR_DPMPORT; 1474 rv = sata_ioctl_get_device_path(sata_hba_inst, 1475 &sata_device, &ioc, mode); 1476 break; 1477 1478 case SATA_CFGA_GET_AP_TYPE: 1479 1480 rv = sata_ioctl_get_ap_type(sata_hba_inst, 1481 &sata_device, &ioc, mode); 1482 break; 1483 1484 case SATA_CFGA_GET_MODEL_INFO: 1485 1486 rv = sata_ioctl_get_model_info(sata_hba_inst, 1487 &sata_device, &ioc, mode); 1488 break; 1489 1490 case SATA_CFGA_GET_REVFIRMWARE_INFO: 1491 1492 rv = sata_ioctl_get_revfirmware_info(sata_hba_inst, 1493 &sata_device, &ioc, mode); 1494 break; 1495 1496 case SATA_CFGA_GET_SERIALNUMBER_INFO: 1497 1498 rv = sata_ioctl_get_serialnumber_info(sata_hba_inst, 1499 &sata_device, &ioc, mode); 1500 break; 1501 1502 default: 1503 rv = EINVAL; 1504 break; 1505 1506 } /* End of DEVCTL_AP_CONTROL cmd switch */ 1507 1508 break; 1509 } 1510 1511 default: 1512 { 1513 /* 1514 * If we got here, we got an IOCTL that SATA HBA Framework 1515 * does not recognize. Pass ioctl to HBA driver, in case 1516 * it could process it. 1517 */ 1518 sata_hba_tran_t *sata_tran = sata_hba_inst->satahba_tran; 1519 dev_info_t *mydip = SATA_DIP(sata_hba_inst); 1520 1521 SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, 1522 "IOCTL 0x%2x not supported in SATA framework, " 1523 "passthrough to HBA", cmd); 1524 1525 if (sata_tran->sata_tran_ioctl == NULL) { 1526 rv = EINVAL; 1527 break; 1528 } 1529 rval = (*sata_tran->sata_tran_ioctl)(mydip, cmd, arg); 1530 if (rval != 0) { 1531 SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, 1532 "IOCTL 0x%2x failed in HBA", cmd); 1533 rv = rval; 1534 } 1535 break; 1536 } 1537 1538 } /* End of main IOCTL switch */ 1539 1540 if (dcp) { 1541 ndi_dc_freehdl(dcp); 1542 } 1543 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 1544 cportinfo->cport_event_flags &= ~SATA_APCTL_LOCK_PORT_BUSY; 1545 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 1546 1547 return (rv); 1548 } 1549 1550 1551 /* 1552 * Create error retrieval sata packet 1553 * 1554 * A sata packet is allocated and set-up to contain specified error retrieval 1555 * command and appropriate dma-able data buffer. 1556 * No association with any scsi packet is made and no callback routine is 1557 * specified. 1558 * 1559 * Returns a pointer to sata packet upon successfull packet creation. 1560 * Returns NULL, if packet cannot be created. 1561 */ 1562 sata_pkt_t * 1563 sata_get_error_retrieval_pkt(dev_info_t *dip, sata_device_t *sata_device, 1564 int pkt_type) 1565 { 1566 sata_hba_inst_t *sata_hba_inst; 1567 sata_pkt_txlate_t *spx; 1568 sata_pkt_t *spkt; 1569 sata_drive_info_t *sdinfo; 1570 1571 mutex_enter(&sata_mutex); 1572 for (sata_hba_inst = sata_hba_list; sata_hba_inst != NULL; 1573 sata_hba_inst = sata_hba_inst->satahba_next) { 1574 if (SATA_DIP(sata_hba_inst) == dip) 1575 break; 1576 } 1577 mutex_exit(&sata_mutex); 1578 ASSERT(sata_hba_inst != NULL); 1579 1580 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 1581 if (sdinfo == NULL) { 1582 sata_log(sata_hba_inst, CE_WARN, 1583 "sata: error recovery request for non-attached device at " 1584 "cport %d", sata_device->satadev_addr.cport); 1585 return (NULL); 1586 } 1587 1588 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 1589 spx->txlt_sata_hba_inst = sata_hba_inst; 1590 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 1591 spkt = sata_pkt_alloc(spx, NULL); 1592 if (spkt == NULL) { 1593 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 1594 return (NULL); 1595 } 1596 /* address is needed now */ 1597 spkt->satapkt_device.satadev_addr = sata_device->satadev_addr; 1598 1599 switch (pkt_type) { 1600 case SATA_ERR_RETR_PKT_TYPE_NCQ: 1601 if (sata_ncq_err_ret_cmd_setup(spx, sdinfo) == SATA_SUCCESS) 1602 return (spkt); 1603 break; 1604 1605 case SATA_ERR_RETR_PKT_TYPE_ATAPI: 1606 if (sata_atapi_err_ret_cmd_setup(spx, sdinfo) == SATA_SUCCESS) 1607 return (spkt); 1608 break; 1609 1610 default: 1611 break; 1612 } 1613 1614 sata_pkt_free(spx); 1615 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 1616 return (NULL); 1617 1618 } 1619 1620 1621 /* 1622 * Free error retrieval sata packet 1623 * 1624 * Free sata packet and any associated resources allocated previously by 1625 * sata_get_error_retrieval_pkt(). 1626 * 1627 * Void return. 1628 */ 1629 void 1630 sata_free_error_retrieval_pkt(sata_pkt_t *sata_pkt) 1631 { 1632 sata_pkt_txlate_t *spx = 1633 (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; 1634 1635 ASSERT(sata_pkt != NULL); 1636 1637 sata_free_local_buffer(spx); 1638 sata_pkt_free(spx); 1639 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 1640 1641 } 1642 1643 /* 1644 * sata_name_child is for composing the name of the node 1645 * the format of the name is "target,0". 1646 */ 1647 static int 1648 sata_name_child(dev_info_t *dip, char *name, int namelen) 1649 { 1650 int target; 1651 1652 target = ddi_prop_get_int(DDI_DEV_T_ANY, dip, 1653 DDI_PROP_DONTPASS, "target", -1); 1654 if (target == -1) 1655 return (DDI_FAILURE); 1656 (void) snprintf(name, namelen, "%x,0", target); 1657 return (DDI_SUCCESS); 1658 } 1659 1660 1661 1662 /* ****************** SCSA required entry points *********************** */ 1663 1664 /* 1665 * Implementation of scsi tran_tgt_init. 1666 * sata_scsi_tgt_init() initializes scsi_device structure 1667 * 1668 * If successful, DDI_SUCCESS is returned. 1669 * DDI_FAILURE is returned if addressed device does not exist 1670 */ 1671 1672 static int 1673 sata_scsi_tgt_init(dev_info_t *hba_dip, dev_info_t *tgt_dip, 1674 scsi_hba_tran_t *hba_tran, struct scsi_device *sd) 1675 { 1676 #ifndef __lock_lint 1677 _NOTE(ARGUNUSED(hba_dip)) 1678 _NOTE(ARGUNUSED(tgt_dip)) 1679 #endif 1680 sata_device_t sata_device; 1681 sata_drive_info_t *sdinfo; 1682 struct sata_id *sid; 1683 sata_hba_inst_t *sata_hba_inst; 1684 char model[SATA_ID_MODEL_LEN + 1]; 1685 char fw[SATA_ID_FW_LEN + 1]; 1686 char *vid, *pid; 1687 int i; 1688 1689 /* 1690 * Fail tran_tgt_init for .conf stub node 1691 */ 1692 if (ndi_dev_is_persistent_node(tgt_dip) == 0) { 1693 (void) ndi_merge_node(tgt_dip, sata_name_child); 1694 ddi_set_name_addr(tgt_dip, NULL); 1695 return (DDI_FAILURE); 1696 } 1697 1698 sata_hba_inst = (sata_hba_inst_t *)(hba_tran->tran_hba_private); 1699 1700 /* Validate scsi device address */ 1701 if (sata_validate_scsi_address(sata_hba_inst, &sd->sd_address, 1702 &sata_device) != 0) 1703 return (DDI_FAILURE); 1704 1705 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 1706 sata_device.satadev_addr.cport))); 1707 1708 /* sata_device now contains a valid sata address */ 1709 sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); 1710 if (sdinfo == NULL) { 1711 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 1712 sata_device.satadev_addr.cport))); 1713 return (DDI_FAILURE); 1714 } 1715 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 1716 sata_device.satadev_addr.cport))); 1717 1718 /* 1719 * Check if we need to create a legacy devid (i.e cmdk style) for 1720 * the target disks. 1721 * 1722 * HBA devinfo node will have the property "use-cmdk-devid-format" 1723 * if we need to create cmdk-style devid for all the disk devices 1724 * attached to this controller. This property may have been set 1725 * from HBA driver's .conf file or by the HBA driver in its 1726 * attach(9F) function. 1727 */ 1728 if ((sdinfo->satadrv_type == SATA_DTYPE_ATADISK) && 1729 (ddi_getprop(DDI_DEV_T_ANY, hba_dip, DDI_PROP_DONTPASS, 1730 "use-cmdk-devid-format", 0) == 1)) { 1731 /* register a legacy devid for this target node */ 1732 sata_target_devid_register(tgt_dip, sdinfo); 1733 } 1734 1735 1736 /* 1737 * 'Identify Device Data' does not always fit in standard SCSI 1738 * INQUIRY data, so establish INQUIRY_* properties with full-form 1739 * of information. 1740 */ 1741 sid = &sdinfo->satadrv_id; 1742 #ifdef _LITTLE_ENDIAN 1743 swab(sid->ai_model, model, SATA_ID_MODEL_LEN); 1744 swab(sid->ai_fw, fw, SATA_ID_FW_LEN); 1745 #else /* _LITTLE_ENDIAN */ 1746 bcopy(sid->ai_model, model, SATA_ID_MODEL_LEN); 1747 bcopy(sid->ai_fw, fw, SATA_ID_FW_LEN); 1748 #endif /* _LITTLE_ENDIAN */ 1749 model[SATA_ID_MODEL_LEN] = 0; 1750 fw[SATA_ID_FW_LEN] = 0; 1751 1752 /* split model into into vid/pid */ 1753 for (i = 0, pid = model; i < SATA_ID_MODEL_LEN; i++, pid++) 1754 if ((*pid == ' ') || (*pid == '\t')) 1755 break; 1756 if (i < SATA_ID_MODEL_LEN) { 1757 vid = model; 1758 *pid++ = 0; /* terminate vid, establish pid */ 1759 } else { 1760 vid = NULL; /* vid will stay "ATA " */ 1761 pid = model; /* model is all pid */ 1762 } 1763 1764 if (vid) 1765 (void) scsi_hba_prop_update_inqstring(sd, INQUIRY_VENDOR_ID, 1766 vid, strlen(vid)); 1767 if (pid) 1768 (void) scsi_hba_prop_update_inqstring(sd, INQUIRY_PRODUCT_ID, 1769 pid, strlen(pid)); 1770 (void) scsi_hba_prop_update_inqstring(sd, INQUIRY_REVISION_ID, 1771 fw, strlen(fw)); 1772 1773 return (DDI_SUCCESS); 1774 } 1775 1776 /* 1777 * Implementation of scsi tran_tgt_probe. 1778 * Probe target, by calling default scsi routine scsi_hba_probe() 1779 */ 1780 static int 1781 sata_scsi_tgt_probe(struct scsi_device *sd, int (*callback)(void)) 1782 { 1783 sata_hba_inst_t *sata_hba_inst = 1784 (sata_hba_inst_t *)(sd->sd_address.a_hba_tran->tran_hba_private); 1785 int rval; 1786 1787 rval = scsi_hba_probe(sd, callback); 1788 1789 if (rval == SCSIPROBE_EXISTS) { 1790 /* 1791 * Set property "pm-capable" on the target device node, so that 1792 * the target driver will not try to fetch scsi cycle counters 1793 * before enabling device power-management. 1794 */ 1795 if ((ddi_prop_update_int(DDI_DEV_T_NONE, sd->sd_dev, 1796 "pm-capable", 1)) != DDI_PROP_SUCCESS) { 1797 sata_log(sata_hba_inst, CE_WARN, 1798 "SATA device at port %d: " 1799 "will not be power-managed ", 1800 SCSI_TO_SATA_CPORT(sd->sd_address.a_target)); 1801 SATA_LOG_D((sata_hba_inst, CE_WARN, 1802 "failure updating pm-capable property")); 1803 } 1804 } 1805 return (rval); 1806 } 1807 1808 /* 1809 * Implementation of scsi tran_tgt_free. 1810 * Release all resources allocated for scsi_device 1811 */ 1812 static void 1813 sata_scsi_tgt_free(dev_info_t *hba_dip, dev_info_t *tgt_dip, 1814 scsi_hba_tran_t *hba_tran, struct scsi_device *sd) 1815 { 1816 #ifndef __lock_lint 1817 _NOTE(ARGUNUSED(hba_dip)) 1818 #endif 1819 sata_device_t sata_device; 1820 sata_drive_info_t *sdinfo; 1821 sata_hba_inst_t *sata_hba_inst; 1822 ddi_devid_t devid; 1823 1824 sata_hba_inst = (sata_hba_inst_t *)(hba_tran->tran_hba_private); 1825 1826 /* Validate scsi device address */ 1827 if (sata_validate_scsi_address(sata_hba_inst, &sd->sd_address, 1828 &sata_device) != 0) 1829 return; 1830 1831 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 1832 sata_device.satadev_addr.cport))); 1833 1834 /* sata_device now should contain a valid sata address */ 1835 sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); 1836 if (sdinfo == NULL) { 1837 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 1838 sata_device.satadev_addr.cport))); 1839 return; 1840 } 1841 /* 1842 * We did not allocate any resources in sata_scsi_tgt_init() 1843 * other than few properties. 1844 * Free them. 1845 */ 1846 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 1847 sata_device.satadev_addr.cport))); 1848 (void) ndi_prop_remove(DDI_DEV_T_NONE, tgt_dip, "pm-capable"); 1849 1850 /* 1851 * If devid was previously created but not freed up from 1852 * sd(7D) driver (i.e during detach(9F)) then do it here. 1853 */ 1854 if ((sdinfo->satadrv_type == SATA_DTYPE_ATADISK) && 1855 (ddi_getprop(DDI_DEV_T_ANY, hba_dip, DDI_PROP_DONTPASS, 1856 "use-cmdk-devid-format", 0) == 1) && 1857 (ddi_devid_get(tgt_dip, &devid) == DDI_SUCCESS)) { 1858 ddi_devid_unregister(tgt_dip); 1859 ddi_devid_free(devid); 1860 } 1861 } 1862 1863 /* 1864 * Implementation of scsi tran_init_pkt 1865 * Upon successful return, scsi pkt buffer has DMA resources allocated. 1866 * 1867 * It seems that we should always allocate pkt, even if the address is 1868 * for non-existing device - just use some default for dma_attr. 1869 * The reason is that there is no way to communicate this to a caller here. 1870 * Subsequent call to sata_scsi_start may fail appropriately. 1871 * Simply returning NULL does not seem to discourage a target driver... 1872 * 1873 * Returns a pointer to initialized scsi_pkt, or NULL otherwise. 1874 */ 1875 static struct scsi_pkt * 1876 sata_scsi_init_pkt(struct scsi_address *ap, struct scsi_pkt *pkt, 1877 struct buf *bp, int cmdlen, int statuslen, int tgtlen, int flags, 1878 int (*callback)(caddr_t), caddr_t arg) 1879 { 1880 sata_hba_inst_t *sata_hba_inst = 1881 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 1882 dev_info_t *dip = SATA_DIP(sata_hba_inst); 1883 sata_device_t sata_device; 1884 sata_drive_info_t *sdinfo; 1885 sata_pkt_txlate_t *spx; 1886 ddi_dma_attr_t cur_dma_attr; 1887 int rval; 1888 boolean_t new_pkt = TRUE; 1889 1890 ASSERT(ap->a_hba_tran->tran_hba_dip == dip); 1891 1892 /* 1893 * We need to translate the address, even if it could be 1894 * a bogus one, for a non-existing device 1895 */ 1896 sata_device.satadev_addr.qual = SCSI_TO_SATA_ADDR_QUAL(ap->a_target); 1897 sata_device.satadev_addr.cport = SCSI_TO_SATA_CPORT(ap->a_target); 1898 sata_device.satadev_addr.pmport = SCSI_TO_SATA_PMPORT(ap->a_target); 1899 sata_device.satadev_rev = SATA_DEVICE_REV; 1900 1901 if (pkt == NULL) { 1902 /* 1903 * Have to allocate a brand new scsi packet. 1904 * We need to operate with auto request sense enabled. 1905 */ 1906 pkt = scsi_hba_pkt_alloc(dip, ap, cmdlen, 1907 MAX(statuslen, sizeof (struct scsi_arq_status)), 1908 tgtlen, sizeof (sata_pkt_txlate_t), callback, arg); 1909 1910 if (pkt == NULL) 1911 return (NULL); 1912 1913 /* Fill scsi packet structure */ 1914 pkt->pkt_comp = (void (*)())NULL; 1915 pkt->pkt_time = 0; 1916 pkt->pkt_resid = 0; 1917 pkt->pkt_statistics = 0; 1918 pkt->pkt_reason = 0; 1919 1920 /* 1921 * pkt_hba_private will point to sata pkt txlate structure 1922 */ 1923 spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 1924 bzero(spx, sizeof (sata_pkt_txlate_t)); 1925 1926 spx->txlt_scsi_pkt = pkt; 1927 spx->txlt_sata_hba_inst = sata_hba_inst; 1928 1929 /* Allocate sata_pkt */ 1930 spx->txlt_sata_pkt = sata_pkt_alloc(spx, callback); 1931 if (spx->txlt_sata_pkt == NULL) { 1932 /* Could not allocate sata pkt */ 1933 scsi_hba_pkt_free(ap, pkt); 1934 return (NULL); 1935 } 1936 /* Set sata address */ 1937 spx->txlt_sata_pkt->satapkt_device.satadev_addr = 1938 sata_device.satadev_addr; 1939 spx->txlt_sata_pkt->satapkt_device.satadev_rev = 1940 sata_device.satadev_rev; 1941 1942 if ((bp == NULL) || (bp->b_bcount == 0)) 1943 return (pkt); 1944 1945 spx->txlt_total_residue = bp->b_bcount; 1946 } else { 1947 new_pkt = FALSE; 1948 /* 1949 * Packet was preallocated/initialized by previous call 1950 */ 1951 spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 1952 1953 if ((bp == NULL) || (bp->b_bcount == 0)) { 1954 return (pkt); 1955 } 1956 1957 /* Pkt is available already: spx->txlt_scsi_pkt == pkt; */ 1958 } 1959 1960 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = bp; 1961 1962 /* 1963 * We use an adjusted version of the dma_attr, to account 1964 * for device addressing limitations. 1965 * sata_adjust_dma_attr() will handle sdinfo == NULL which may 1966 * happen when a device is not yet configured. 1967 */ 1968 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 1969 sata_device.satadev_addr.cport))); 1970 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 1971 &spx->txlt_sata_pkt->satapkt_device); 1972 /* NULL sdinfo may be passsed to sata_adjust_dma_attr() */ 1973 sata_adjust_dma_attr(sdinfo, 1974 SATA_DMA_ATTR(spx->txlt_sata_hba_inst), &cur_dma_attr); 1975 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 1976 sata_device.satadev_addr.cport))); 1977 /* 1978 * Allocate necessary DMA resources for the packet's data buffer 1979 * NOTE: 1980 * In case of read/write commands, DMA resource allocation here is 1981 * based on the premise that the transfer length specified in 1982 * the read/write scsi cdb will match exactly DMA resources - 1983 * returning correct packet residue is crucial. 1984 */ 1985 if ((rval = sata_dma_buf_setup(spx, flags, callback, arg, 1986 &cur_dma_attr)) != DDI_SUCCESS) { 1987 /* 1988 * If a DMA allocation request fails with 1989 * DDI_DMA_NOMAPPING, indicate the error by calling 1990 * bioerror(9F) with bp and an error code of EFAULT. 1991 * If a DMA allocation request fails with 1992 * DDI_DMA_TOOBIG, indicate the error by calling 1993 * bioerror(9F) with bp and an error code of EINVAL. 1994 * For DDI_DMA_NORESOURCES, we may have some of them allocated. 1995 * Request may be repeated later - there is no real error. 1996 */ 1997 switch (rval) { 1998 case DDI_DMA_NORESOURCES: 1999 bioerror(bp, 0); 2000 break; 2001 case DDI_DMA_NOMAPPING: 2002 case DDI_DMA_BADATTR: 2003 bioerror(bp, EFAULT); 2004 break; 2005 case DDI_DMA_TOOBIG: 2006 default: 2007 bioerror(bp, EINVAL); 2008 break; 2009 } 2010 if (new_pkt == TRUE) { 2011 /* 2012 * Since this is a new packet, we can clean-up 2013 * everything 2014 */ 2015 sata_scsi_destroy_pkt(ap, pkt); 2016 } else { 2017 /* 2018 * This is a re-used packet. It will be target driver's 2019 * responsibility to eventually destroy it (which 2020 * will free allocated resources). 2021 * Here, we just "complete" the request, leaving 2022 * allocated resources intact, so the request may 2023 * be retried. 2024 */ 2025 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; 2026 sata_pkt_free(spx); 2027 } 2028 return (NULL); 2029 } 2030 /* Set number of bytes that are not yet accounted for */ 2031 pkt->pkt_resid = spx->txlt_total_residue; 2032 ASSERT(pkt->pkt_resid >= 0); 2033 2034 return (pkt); 2035 } 2036 2037 /* 2038 * Implementation of scsi tran_start. 2039 * Translate scsi cmd into sata operation and return status. 2040 * ATAPI CDBs are passed to ATAPI devices - the device determines what commands 2041 * are supported. 2042 * For SATA hard disks, supported scsi commands: 2043 * SCMD_INQUIRY 2044 * SCMD_TEST_UNIT_READY 2045 * SCMD_START_STOP 2046 * SCMD_READ_CAPACITY 2047 * SCMD_REQUEST_SENSE 2048 * SCMD_LOG_SENSE_G1 2049 * SCMD_LOG_SELECT_G1 2050 * SCMD_MODE_SENSE (specific pages) 2051 * SCMD_MODE_SENSE_G1 (specific pages) 2052 * SCMD_MODE_SELECT (specific pages) 2053 * SCMD_MODE_SELECT_G1 (specific pages) 2054 * SCMD_SYNCHRONIZE_CACHE 2055 * SCMD_SYNCHRONIZE_CACHE_G1 2056 * SCMD_READ 2057 * SCMD_READ_G1 2058 * SCMD_READ_G4 2059 * SCMD_READ_G5 2060 * SCMD_WRITE 2061 * SCMD_WRITE_BUFFER 2062 * SCMD_WRITE_G1 2063 * SCMD_WRITE_G4 2064 * SCMD_WRITE_G5 2065 * SCMD_SEEK (noop) 2066 * SCMD_SDIAG 2067 * 2068 * All other commands are rejected as unsupported. 2069 * 2070 * Returns: 2071 * TRAN_ACCEPT if command was executed successfully or accepted by HBA driver 2072 * for execution. TRAN_ACCEPT may be returned also if device was removed but 2073 * a callback could be scheduled. 2074 * TRAN_BADPKT if cmd was directed to invalid address. 2075 * TRAN_FATAL_ERROR is command was rejected due to hardware error, including 2076 * some unspecified error. TRAN_FATAL_ERROR may be also returned if a device 2077 * was removed and there was no callback specified in scsi pkt. 2078 * TRAN_BUSY if command could not be executed becasue HBA driver or SATA 2079 * framework was busy performing some other operation(s). 2080 * 2081 */ 2082 static int 2083 sata_scsi_start(struct scsi_address *ap, struct scsi_pkt *pkt) 2084 { 2085 sata_hba_inst_t *sata_hba_inst = 2086 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 2087 sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 2088 sata_drive_info_t *sdinfo; 2089 struct buf *bp; 2090 int cport; 2091 int rval; 2092 2093 SATADBG1(SATA_DBG_SCSI_IF, sata_hba_inst, 2094 "sata_scsi_start: cmd 0x%02x\n", pkt->pkt_cdbp[0]); 2095 2096 ASSERT(spx != NULL && 2097 spx->txlt_scsi_pkt == pkt && spx->txlt_sata_pkt != NULL); 2098 2099 cport = SCSI_TO_SATA_CPORT(ap->a_target); 2100 2101 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 2102 sdinfo = sata_get_device_info(sata_hba_inst, 2103 &spx->txlt_sata_pkt->satapkt_device); 2104 if (sdinfo == NULL || 2105 SATA_CPORT_INFO(sata_hba_inst, cport)->cport_tgtnode_clean == 2106 B_FALSE || 2107 (sdinfo->satadrv_state & SATA_DSTATE_FAILED) != 0) { 2108 2109 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 2110 pkt->pkt_reason = CMD_DEV_GONE; 2111 /* 2112 * The sd target driver is checking CMD_DEV_GONE pkt_reason 2113 * only in callback function (for normal requests) and 2114 * in the dump code path. 2115 * So, if the callback is available, we need to do 2116 * the callback rather than returning TRAN_FATAL_ERROR here. 2117 */ 2118 if (pkt->pkt_comp != NULL) { 2119 /* scsi callback required */ 2120 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 2121 (task_func_t *)pkt->pkt_comp, 2122 (void *)pkt, TQ_SLEEP) == NULL) 2123 /* Scheduling the callback failed */ 2124 return (TRAN_BUSY); 2125 return (TRAN_ACCEPT); 2126 } 2127 /* No callback available */ 2128 return (TRAN_FATAL_ERROR); 2129 } 2130 2131 if (sdinfo->satadrv_type == SATA_DTYPE_ATAPICD) { 2132 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 2133 rval = sata_txlt_atapi(spx); 2134 SATADBG1(SATA_DBG_SCSI_IF, sata_hba_inst, 2135 "sata_scsi_start atapi: rval %d\n", rval); 2136 return (rval); 2137 } 2138 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 2139 2140 /* ATA Disk commands processing starts here */ 2141 2142 bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 2143 2144 switch (pkt->pkt_cdbp[0]) { 2145 2146 case SCMD_INQUIRY: 2147 /* Mapped to identify device */ 2148 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2149 bp_mapin(bp); 2150 rval = sata_txlt_inquiry(spx); 2151 break; 2152 2153 case SCMD_TEST_UNIT_READY: 2154 /* 2155 * SAT "SATA to ATA Translation" doc specifies translation 2156 * to ATA CHECK POWER MODE. 2157 */ 2158 rval = sata_txlt_test_unit_ready(spx); 2159 break; 2160 2161 case SCMD_START_STOP: 2162 /* Mapping depends on the command */ 2163 rval = sata_txlt_start_stop_unit(spx); 2164 break; 2165 2166 case SCMD_READ_CAPACITY: 2167 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2168 bp_mapin(bp); 2169 rval = sata_txlt_read_capacity(spx); 2170 break; 2171 2172 case SCMD_REQUEST_SENSE: 2173 /* 2174 * Always No Sense, since we force ARQ 2175 */ 2176 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2177 bp_mapin(bp); 2178 rval = sata_txlt_request_sense(spx); 2179 break; 2180 2181 case SCMD_LOG_SENSE_G1: 2182 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2183 bp_mapin(bp); 2184 rval = sata_txlt_log_sense(spx); 2185 break; 2186 2187 case SCMD_LOG_SELECT_G1: 2188 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2189 bp_mapin(bp); 2190 rval = sata_txlt_log_select(spx); 2191 break; 2192 2193 case SCMD_MODE_SENSE: 2194 case SCMD_MODE_SENSE_G1: 2195 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2196 bp_mapin(bp); 2197 rval = sata_txlt_mode_sense(spx); 2198 break; 2199 2200 2201 case SCMD_MODE_SELECT: 2202 case SCMD_MODE_SELECT_G1: 2203 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2204 bp_mapin(bp); 2205 rval = sata_txlt_mode_select(spx); 2206 break; 2207 2208 case SCMD_SYNCHRONIZE_CACHE: 2209 case SCMD_SYNCHRONIZE_CACHE_G1: 2210 rval = sata_txlt_synchronize_cache(spx); 2211 break; 2212 2213 case SCMD_READ: 2214 case SCMD_READ_G1: 2215 case SCMD_READ_G4: 2216 case SCMD_READ_G5: 2217 rval = sata_txlt_read(spx); 2218 break; 2219 case SCMD_WRITE_BUFFER: 2220 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2221 bp_mapin(bp); 2222 rval = sata_txlt_write_buffer(spx); 2223 break; 2224 2225 case SCMD_WRITE: 2226 case SCMD_WRITE_G1: 2227 case SCMD_WRITE_G4: 2228 case SCMD_WRITE_G5: 2229 rval = sata_txlt_write(spx); 2230 break; 2231 2232 case SCMD_SEEK: 2233 rval = sata_txlt_nodata_cmd_immediate(spx); 2234 break; 2235 2236 /* Other cases will be filed later */ 2237 /* postponed until phase 2 of the development */ 2238 default: 2239 rval = sata_txlt_invalid_command(spx); 2240 break; 2241 } 2242 2243 SATADBG1(SATA_DBG_SCSI_IF, sata_hba_inst, 2244 "sata_scsi_start: rval %d\n", rval); 2245 2246 return (rval); 2247 } 2248 2249 /* 2250 * Implementation of scsi tran_abort. 2251 * Abort specific pkt or all packets. 2252 * 2253 * Returns 1 if one or more packets were aborted, returns 0 otherwise 2254 * 2255 * May be called from an interrupt level. 2256 */ 2257 static int 2258 sata_scsi_abort(struct scsi_address *ap, struct scsi_pkt *scsi_pkt) 2259 { 2260 sata_hba_inst_t *sata_hba_inst = 2261 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 2262 sata_device_t sata_device; 2263 sata_pkt_t *sata_pkt; 2264 2265 SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, 2266 "sata_scsi_abort: %s at target: 0x%x\n", 2267 scsi_pkt == NULL ? "all packets" : "one pkt", ap->a_target); 2268 2269 /* Validate address */ 2270 if (sata_validate_scsi_address(sata_hba_inst, ap, &sata_device) != 0) 2271 /* Invalid address */ 2272 return (0); 2273 2274 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 2275 sata_device.satadev_addr.cport))); 2276 if (sata_get_device_info(sata_hba_inst, &sata_device) == NULL) { 2277 /* invalid address */ 2278 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2279 sata_device.satadev_addr.cport))); 2280 return (0); 2281 } 2282 if (scsi_pkt == NULL) { 2283 /* 2284 * Abort all packets. 2285 * Although we do not have specific packet, we still need 2286 * dummy packet structure to pass device address to HBA. 2287 * Allocate one, without sleeping. Fail if pkt cannot be 2288 * allocated. 2289 */ 2290 sata_pkt = kmem_zalloc(sizeof (sata_pkt_t), KM_NOSLEEP); 2291 if (sata_pkt == NULL) { 2292 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2293 sata_device.satadev_addr.cport))); 2294 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_pkt_abort: " 2295 "could not allocate sata_pkt")); 2296 return (0); 2297 } 2298 sata_pkt->satapkt_rev = SATA_PKT_REV; 2299 sata_pkt->satapkt_device = sata_device; 2300 sata_pkt->satapkt_device.satadev_rev = SATA_DEVICE_REV; 2301 } else { 2302 if (scsi_pkt->pkt_ha_private == NULL) { 2303 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2304 sata_device.satadev_addr.cport))); 2305 return (0); /* Bad scsi pkt */ 2306 } 2307 /* extract pointer to sata pkt */ 2308 sata_pkt = ((sata_pkt_txlate_t *)scsi_pkt->pkt_ha_private)-> 2309 txlt_sata_pkt; 2310 } 2311 2312 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2313 sata_device.satadev_addr.cport))); 2314 /* Send abort request to HBA */ 2315 if ((*SATA_ABORT_FUNC(sata_hba_inst)) 2316 (SATA_DIP(sata_hba_inst), sata_pkt, 2317 scsi_pkt == NULL ? SATA_ABORT_ALL_PACKETS : SATA_ABORT_PACKET) == 2318 SATA_SUCCESS) { 2319 if (scsi_pkt == NULL) 2320 kmem_free(sata_pkt, sizeof (sata_pkt_t)); 2321 /* Success */ 2322 return (1); 2323 } 2324 /* Else, something did not go right */ 2325 if (scsi_pkt == NULL) 2326 kmem_free(sata_pkt, sizeof (sata_pkt_t)); 2327 /* Failure */ 2328 return (0); 2329 } 2330 2331 2332 /* 2333 * Implementation of scsi tran_reset. 2334 * RESET_ALL request is translated into port reset. 2335 * RESET_TARGET requests is translated into a device reset, 2336 * RESET_LUN request is accepted only for LUN 0 and translated into 2337 * device reset. 2338 * The target reset should cause all HBA active and queued packets to 2339 * be terminated and returned with pkt reason SATA_PKT_RESET prior to 2340 * the return. HBA should report reset event for the device. 2341 * 2342 * Returns 1 upon success, 0 upon failure. 2343 */ 2344 static int 2345 sata_scsi_reset(struct scsi_address *ap, int level) 2346 { 2347 sata_hba_inst_t *sata_hba_inst = 2348 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 2349 sata_device_t sata_device; 2350 int val; 2351 2352 SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, 2353 "sata_scsi_reset: level %d target: 0x%x\n", 2354 level, ap->a_target); 2355 2356 /* Validate address */ 2357 val = sata_validate_scsi_address(sata_hba_inst, ap, &sata_device); 2358 if (val == -1) 2359 /* Invalid address */ 2360 return (0); 2361 2362 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 2363 sata_device.satadev_addr.cport))); 2364 if (sata_get_device_info(sata_hba_inst, &sata_device) == NULL) { 2365 /* invalid address */ 2366 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2367 sata_device.satadev_addr.cport))); 2368 return (0); 2369 } 2370 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2371 sata_device.satadev_addr.cport))); 2372 if (level == RESET_ALL) { 2373 /* port reset - cport only */ 2374 sata_device.satadev_addr.qual = SATA_ADDR_CPORT; 2375 if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst)) 2376 (SATA_DIP(sata_hba_inst), &sata_device) == SATA_SUCCESS) 2377 return (1); 2378 else 2379 return (0); 2380 2381 } else if (val == 0 && 2382 (level == RESET_TARGET || level == RESET_LUN)) { 2383 /* reset device (device attached) */ 2384 if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst)) 2385 (SATA_DIP(sata_hba_inst), &sata_device) == SATA_SUCCESS) 2386 return (1); 2387 else 2388 return (0); 2389 } 2390 return (0); 2391 } 2392 2393 2394 /* 2395 * Implementation of scsi tran_getcap (get transport/device capabilities). 2396 * Supported capabilities for SATA hard disks: 2397 * auto-rqsense (always supported) 2398 * tagged-qing (supported if HBA supports it) 2399 * untagged-qing (could be supported if disk supports it, but because 2400 * caching behavior allowing untagged queuing actually 2401 * results in reduced performance. sd tries to throttle 2402 * back to only 3 outstanding commands, which may 2403 * work for real SCSI disks, but with read ahead 2404 * caching, having more than 1 outstanding command 2405 * results in cache thrashing.) 2406 * sector_size 2407 * dma_max 2408 * interconnect-type (INTERCONNECT_SATA) 2409 * 2410 * Supported capabilities for ATAPI devices (CD/DVD): 2411 * auto-rqsense (always supported) 2412 * sector_size 2413 * dma_max 2414 * interconnect-type (INTERCONNECT_SATA) 2415 * 2416 * Request for other capabilities is rejected as unsupported. 2417 * 2418 * Returns supported capability value, or -1 if capability is unsuppported or 2419 * the address is invalid - no device. 2420 */ 2421 2422 static int 2423 sata_scsi_getcap(struct scsi_address *ap, char *cap, int whom) 2424 { 2425 2426 sata_hba_inst_t *sata_hba_inst = 2427 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 2428 sata_device_t sata_device; 2429 sata_drive_info_t *sdinfo; 2430 ddi_dma_attr_t adj_dma_attr; 2431 int rval; 2432 2433 SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, 2434 "sata_scsi_getcap: target: 0x%x, cap: %s\n", 2435 ap->a_target, cap); 2436 2437 /* 2438 * We want to process the capabilities on per port granularity. 2439 * So, we are specifically restricting ourselves to whom != 0 2440 * to exclude the controller wide handling. 2441 */ 2442 if (cap == NULL || whom == 0) 2443 return (-1); 2444 2445 if (sata_validate_scsi_address(sata_hba_inst, ap, &sata_device) != 0) { 2446 /* Invalid address */ 2447 return (-1); 2448 } 2449 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 2450 sata_device.satadev_addr.cport))); 2451 if ((sdinfo = sata_get_device_info(sata_hba_inst, &sata_device)) == 2452 NULL) { 2453 /* invalid address */ 2454 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2455 sata_device.satadev_addr.cport))); 2456 return (-1); 2457 } 2458 2459 switch (scsi_hba_lookup_capstr(cap)) { 2460 case SCSI_CAP_ARQ: 2461 rval = 1; /* ARQ supported, turned on */ 2462 break; 2463 2464 case SCSI_CAP_SECTOR_SIZE: 2465 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) 2466 rval = SATA_DISK_SECTOR_SIZE; /* fixed size */ 2467 else if (sdinfo->satadrv_type == SATA_DTYPE_ATAPICD) 2468 rval = SATA_ATAPI_SECTOR_SIZE; 2469 else rval = -1; 2470 break; 2471 2472 /* 2473 * untagged queuing cause a performance inversion because of 2474 * the way sd operates. Because of this reason we do not 2475 * use it when available. 2476 */ 2477 case SCSI_CAP_UNTAGGED_QING: 2478 if (sdinfo->satadrv_features_enabled & 2479 SATA_DEV_F_E_UNTAGGED_QING) 2480 rval = 1; /* Untagged queuing available */ 2481 else 2482 rval = -1; /* Untagged queuing not available */ 2483 break; 2484 2485 case SCSI_CAP_TAGGED_QING: 2486 if ((sdinfo->satadrv_features_enabled & 2487 SATA_DEV_F_E_TAGGED_QING) && 2488 (sdinfo->satadrv_max_queue_depth > 1)) 2489 rval = 1; /* Tagged queuing available */ 2490 else 2491 rval = -1; /* Tagged queuing not available */ 2492 break; 2493 2494 case SCSI_CAP_DMA_MAX: 2495 sata_adjust_dma_attr(sdinfo, SATA_DMA_ATTR(sata_hba_inst), 2496 &adj_dma_attr); 2497 rval = (int)adj_dma_attr.dma_attr_maxxfer; 2498 /* We rely on the fact that dma_attr_maxxfer < 0x80000000 */ 2499 break; 2500 2501 case SCSI_CAP_INTERCONNECT_TYPE: 2502 rval = INTERCONNECT_SATA; /* SATA interconnect type */ 2503 break; 2504 2505 default: 2506 rval = -1; 2507 break; 2508 } 2509 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2510 sata_device.satadev_addr.cport))); 2511 return (rval); 2512 } 2513 2514 /* 2515 * Implementation of scsi tran_setcap 2516 * 2517 * Only SCSI_CAP_UNTAGGED_QING and SCSI_CAP_TAGGED_QING are changeable. 2518 * 2519 */ 2520 static int 2521 sata_scsi_setcap(struct scsi_address *ap, char *cap, int value, int whom) 2522 { 2523 sata_hba_inst_t *sata_hba_inst = 2524 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 2525 sata_device_t sata_device; 2526 sata_drive_info_t *sdinfo; 2527 int rval; 2528 2529 SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, 2530 "sata_scsi_setcap: target: 0x%x, cap: %s\n", ap->a_target, cap); 2531 2532 /* 2533 * We want to process the capabilities on per port granularity. 2534 * So, we are specifically restricting ourselves to whom != 0 2535 * to exclude the controller wide handling. 2536 */ 2537 if (cap == NULL || whom == 0) { 2538 return (-1); 2539 } 2540 2541 if (sata_validate_scsi_address(sata_hba_inst, ap, &sata_device) != 0) { 2542 /* Invalid address */ 2543 return (-1); 2544 } 2545 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 2546 sata_device.satadev_addr.cport))); 2547 if ((sdinfo = sata_get_device_info(sata_hba_inst, 2548 &sata_device)) == NULL) { 2549 /* invalid address */ 2550 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2551 sata_device.satadev_addr.cport))); 2552 return (-1); 2553 } 2554 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2555 sata_device.satadev_addr.cport))); 2556 2557 switch (scsi_hba_lookup_capstr(cap)) { 2558 case SCSI_CAP_ARQ: 2559 case SCSI_CAP_SECTOR_SIZE: 2560 case SCSI_CAP_DMA_MAX: 2561 case SCSI_CAP_INTERCONNECT_TYPE: 2562 rval = 0; 2563 break; 2564 case SCSI_CAP_UNTAGGED_QING: 2565 if (SATA_QDEPTH(sata_hba_inst) > 1) { 2566 rval = 1; 2567 if (value == 1) { 2568 sdinfo->satadrv_features_enabled |= 2569 SATA_DEV_F_E_UNTAGGED_QING; 2570 } else if (value == 0) { 2571 sdinfo->satadrv_features_enabled &= 2572 ~SATA_DEV_F_E_UNTAGGED_QING; 2573 } else { 2574 rval = -1; 2575 } 2576 } else { 2577 rval = 0; 2578 } 2579 break; 2580 case SCSI_CAP_TAGGED_QING: 2581 /* This can TCQ or NCQ */ 2582 if (sata_func_enable & SATA_ENABLE_QUEUING && 2583 ((sdinfo->satadrv_features_support & SATA_DEV_F_TCQ && 2584 SATA_FEATURES(sata_hba_inst) & SATA_CTLF_QCMD) || 2585 (sata_func_enable & SATA_ENABLE_NCQ && 2586 sdinfo->satadrv_features_support & SATA_DEV_F_NCQ && 2587 SATA_FEATURES(sata_hba_inst) & SATA_CTLF_NCQ)) && 2588 (sdinfo->satadrv_max_queue_depth > 1)) { 2589 rval = 1; 2590 if (value == 1) { 2591 sdinfo->satadrv_features_enabled |= 2592 SATA_DEV_F_E_TAGGED_QING; 2593 } else if (value == 0) { 2594 sdinfo->satadrv_features_enabled &= 2595 ~SATA_DEV_F_E_TAGGED_QING; 2596 } else { 2597 rval = -1; 2598 } 2599 } else { 2600 rval = 0; 2601 } 2602 break; 2603 default: 2604 rval = -1; 2605 break; 2606 } 2607 return (rval); 2608 } 2609 2610 /* 2611 * Implementations of scsi tran_destroy_pkt. 2612 * Free resources allocated by sata_scsi_init_pkt() 2613 */ 2614 static void 2615 sata_scsi_destroy_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) 2616 { 2617 sata_pkt_txlate_t *spx; 2618 2619 spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 2620 2621 sata_common_free_dma_rsrcs(spx); 2622 2623 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; 2624 sata_pkt_free(spx); 2625 2626 scsi_hba_pkt_free(ap, pkt); 2627 } 2628 2629 /* 2630 * Implementation of scsi tran_dmafree. 2631 * Free DMA resources allocated by sata_scsi_init_pkt() 2632 */ 2633 2634 static void 2635 sata_scsi_dmafree(struct scsi_address *ap, struct scsi_pkt *pkt) 2636 { 2637 #ifndef __lock_lint 2638 _NOTE(ARGUNUSED(ap)) 2639 #endif 2640 sata_pkt_txlate_t *spx; 2641 2642 ASSERT(pkt != NULL); 2643 spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 2644 2645 sata_common_free_dma_rsrcs(spx); 2646 } 2647 2648 /* 2649 * Implementation of scsi tran_sync_pkt. 2650 * 2651 * The assumption below is that pkt is unique - there is no need to check ap 2652 * 2653 * Synchronize DMA buffer and, if the intermediate buffer is used, copy data 2654 * into/from the real buffer. 2655 */ 2656 static void 2657 sata_scsi_sync_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) 2658 { 2659 #ifndef __lock_lint 2660 _NOTE(ARGUNUSED(ap)) 2661 #endif 2662 int rval; 2663 sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 2664 struct buf *bp; 2665 int direction; 2666 2667 ASSERT(spx != NULL); 2668 if (spx->txlt_buf_dma_handle != NULL) { 2669 direction = spx->txlt_sata_pkt-> 2670 satapkt_cmd.satacmd_flags.sata_data_direction; 2671 if (spx->txlt_sata_pkt != NULL && 2672 direction != SATA_DIR_NODATA_XFER) { 2673 if (spx->txlt_tmp_buf != NULL) { 2674 /* Intermediate DMA buffer used */ 2675 bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 2676 2677 if (direction & SATA_DIR_WRITE) { 2678 bcopy(bp->b_un.b_addr, 2679 spx->txlt_tmp_buf, bp->b_bcount); 2680 } 2681 } 2682 /* Sync the buffer for device or for CPU */ 2683 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 2684 (direction & SATA_DIR_WRITE) ? 2685 DDI_DMA_SYNC_FORDEV : DDI_DMA_SYNC_FORCPU); 2686 ASSERT(rval == DDI_SUCCESS); 2687 if (spx->txlt_tmp_buf != NULL && 2688 !(direction & SATA_DIR_WRITE)) { 2689 /* Intermediate DMA buffer used for read */ 2690 bcopy(spx->txlt_tmp_buf, 2691 bp->b_un.b_addr, bp->b_bcount); 2692 } 2693 2694 } 2695 } 2696 } 2697 2698 2699 2700 /* ******************* SATA - SCSI Translation functions **************** */ 2701 /* 2702 * SCSI to SATA pkt and command translation and SATA to SCSI status/error 2703 * translation. 2704 */ 2705 2706 /* 2707 * Checks if a device exists and can be access and translates common 2708 * scsi_pkt data to sata_pkt data. 2709 * 2710 * Returns TRAN_ACCEPT and scsi pkt_reason CMD_CMPLT if device exists and 2711 * sata_pkt was set-up. 2712 * Returns TRAN_ACCEPT and scsi pkt_reason CMD_DEV_GONE if device does not 2713 * exist and pkt_comp callback was scheduled. 2714 * Returns other TRAN_XXXXX values when error occured and command should be 2715 * rejected with the returned TRAN_XXXXX value. 2716 * 2717 * This function should be called with port mutex held. 2718 */ 2719 static int 2720 sata_txlt_generic_pkt_info(sata_pkt_txlate_t *spx, int *reason) 2721 { 2722 sata_drive_info_t *sdinfo; 2723 sata_device_t sata_device; 2724 const struct sata_cmd_flags sata_initial_cmd_flags = { 2725 SATA_DIR_NODATA_XFER, 2726 /* all other values to 0/FALSE */ 2727 }; 2728 /* 2729 * Pkt_reason has to be set if the pkt_comp callback is invoked, 2730 * and that implies TRAN_ACCEPT return value. Any other returned value 2731 * indicates that the scsi packet was not accepted (the reason will not 2732 * be checked by the scsi target driver). 2733 * To make debugging easier, we set pkt_reason to know value here. 2734 * It may be changed later when different completion reason is 2735 * determined. 2736 */ 2737 spx->txlt_scsi_pkt->pkt_reason = CMD_TRAN_ERR; 2738 *reason = CMD_TRAN_ERR; 2739 2740 /* Validate address */ 2741 switch (sata_validate_scsi_address(spx->txlt_sata_hba_inst, 2742 &spx->txlt_scsi_pkt->pkt_address, &sata_device)) { 2743 2744 case -1: 2745 /* Invalid address or invalid device type */ 2746 return (TRAN_BADPKT); 2747 case 1: 2748 /* valid address but no device - it has disappeared ? */ 2749 spx->txlt_scsi_pkt->pkt_reason = CMD_DEV_GONE; 2750 *reason = CMD_DEV_GONE; 2751 /* 2752 * The sd target driver is checking CMD_DEV_GONE pkt_reason 2753 * only in callback function (for normal requests) and 2754 * in the dump code path. 2755 * So, if the callback is available, we need to do 2756 * the callback rather than returning TRAN_FATAL_ERROR here. 2757 */ 2758 if (spx->txlt_scsi_pkt->pkt_comp != NULL) { 2759 /* scsi callback required */ 2760 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 2761 (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, 2762 (void *)spx->txlt_scsi_pkt, 2763 TQ_SLEEP) == NULL) 2764 /* Scheduling the callback failed */ 2765 return (TRAN_BUSY); 2766 2767 return (TRAN_ACCEPT); 2768 } 2769 return (TRAN_FATAL_ERROR); 2770 default: 2771 /* all OK; pkt reason will be overwritten later */ 2772 break; 2773 } 2774 /* 2775 * If in an interrupt context, reject packet if it is to be 2776 * executed in polling mode 2777 */ 2778 if (servicing_interrupt() && 2779 (spx->txlt_scsi_pkt->pkt_flags & FLAG_NOINTR) != 0) { 2780 SATADBG1(SATA_DBG_INTR_CTX, spx->txlt_sata_hba_inst, 2781 "sata_scsi_start: rejecting synchronous command because " 2782 "of interrupt context\n", NULL); 2783 return (TRAN_BUSY); 2784 } 2785 2786 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 2787 &spx->txlt_sata_pkt->satapkt_device); 2788 2789 /* 2790 * If device is in reset condition, reject the packet with 2791 * TRAN_BUSY, unless: 2792 * 1. system is panicking (dumping) 2793 * In such case only one thread is running and there is no way to 2794 * process reset. 2795 * 2. cfgadm operation is is progress (internal APCTL lock is set) 2796 * Some cfgadm operations involve drive commands, so reset condition 2797 * needs to be ignored for IOCTL operations. 2798 */ 2799 if ((sdinfo->satadrv_event_flags & 2800 (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) != 0) { 2801 2802 if (!ddi_in_panic() && 2803 ((SATA_CPORT_EVENT_FLAGS(spx->txlt_sata_hba_inst, 2804 sata_device.satadev_addr.cport) & 2805 SATA_APCTL_LOCK_PORT_BUSY) == 0)) { 2806 spx->txlt_scsi_pkt->pkt_reason = CMD_INCOMPLETE; 2807 *reason = CMD_INCOMPLETE; 2808 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 2809 "sata_scsi_start: rejecting command because " 2810 "of device reset state\n", NULL); 2811 return (TRAN_BUSY); 2812 } 2813 } 2814 2815 /* 2816 * Fix the dev_type in the sata_pkt->satapkt_device. It was not set by 2817 * sata_scsi_pkt_init() because pkt init had to work also with 2818 * non-existing devices. 2819 * Now we know that the packet was set-up for a real device, so its 2820 * type is known. 2821 */ 2822 spx->txlt_sata_pkt->satapkt_device.satadev_type = sdinfo->satadrv_type; 2823 2824 spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags = sata_initial_cmd_flags; 2825 if ((SATA_CPORT_INFO(spx->txlt_sata_hba_inst, 2826 sata_device.satadev_addr.cport)->cport_event_flags & 2827 SATA_APCTL_LOCK_PORT_BUSY) != 0) { 2828 spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags. 2829 sata_ignore_dev_reset = B_TRUE; 2830 } 2831 /* 2832 * At this point the generic translation routine determined that the 2833 * scsi packet should be accepted. Packet completion reason may be 2834 * changed later when a different completion reason is determined. 2835 */ 2836 spx->txlt_scsi_pkt->pkt_reason = CMD_CMPLT; 2837 *reason = CMD_CMPLT; 2838 2839 if ((spx->txlt_scsi_pkt->pkt_flags & FLAG_NOINTR) != 0) { 2840 /* Synchronous execution */ 2841 spx->txlt_sata_pkt->satapkt_op_mode = SATA_OPMODE_SYNCH | 2842 SATA_OPMODE_POLLING; 2843 spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags. 2844 sata_ignore_dev_reset = ddi_in_panic(); 2845 } else { 2846 /* Asynchronous execution */ 2847 spx->txlt_sata_pkt->satapkt_op_mode = SATA_OPMODE_ASYNCH | 2848 SATA_OPMODE_INTERRUPTS; 2849 } 2850 /* Convert queuing information */ 2851 if (spx->txlt_scsi_pkt->pkt_flags & FLAG_STAG) 2852 spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags.sata_queue_stag = 2853 B_TRUE; 2854 else if (spx->txlt_scsi_pkt->pkt_flags & 2855 (FLAG_OTAG | FLAG_HTAG | FLAG_HEAD)) 2856 spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags.sata_queue_otag = 2857 B_TRUE; 2858 2859 /* Always limit pkt time */ 2860 if (spx->txlt_scsi_pkt->pkt_time == 0) 2861 spx->txlt_sata_pkt->satapkt_time = sata_default_pkt_time; 2862 else 2863 /* Pass on scsi_pkt time */ 2864 spx->txlt_sata_pkt->satapkt_time = 2865 spx->txlt_scsi_pkt->pkt_time; 2866 2867 return (TRAN_ACCEPT); 2868 } 2869 2870 2871 /* 2872 * Translate ATA Identify Device data to SCSI Inquiry data. 2873 * This function may be called only for ATA devices. 2874 * This function should not be called for ATAPI devices - they 2875 * respond directly to SCSI Inquiry command. 2876 * 2877 * SATA Identify Device data has to be valid in sata_rive_info. 2878 * Buffer has to accomodate the inquiry length (36 bytes). 2879 * 2880 * This function should be called with a port mutex held. 2881 */ 2882 static void 2883 sata_identdev_to_inquiry(sata_hba_inst_t *sata_hba_inst, 2884 sata_drive_info_t *sdinfo, uint8_t *buf) 2885 { 2886 2887 struct scsi_inquiry *inq = (struct scsi_inquiry *)buf; 2888 struct sata_id *sid = &sdinfo->satadrv_id; 2889 2890 /* Start with a nice clean slate */ 2891 bzero((void *)inq, sizeof (struct scsi_inquiry)); 2892 2893 /* 2894 * Rely on the dev_type for setting paripheral qualifier. 2895 * Assume that DTYPE_RODIRECT applies to CD/DVD R/W devices. 2896 * It could be that DTYPE_OPTICAL could also qualify in the future. 2897 * ATAPI Inquiry may provide more data to the target driver. 2898 */ 2899 inq->inq_dtype = sdinfo->satadrv_type == SATA_DTYPE_ATADISK ? 2900 DTYPE_DIRECT : DTYPE_RODIRECT; /* DTYPE_UNKNOWN; */ 2901 2902 inq->inq_rmb = sid->ai_config & SATA_REM_MEDIA ? 1 : 0; 2903 inq->inq_qual = 0; /* Device type qualifier (obsolete in SCSI3? */ 2904 inq->inq_iso = 0; /* ISO version */ 2905 inq->inq_ecma = 0; /* ECMA version */ 2906 inq->inq_ansi = 3; /* ANSI version - SCSI 3 */ 2907 inq->inq_aenc = 0; /* Async event notification cap. */ 2908 inq->inq_trmiop = 0; /* Supports TERMINATE I/O PROC msg - NO */ 2909 inq->inq_normaca = 0; /* setting NACA bit supported - NO */ 2910 inq->inq_rdf = RDF_SCSI2; /* Response data format- SPC-3 */ 2911 inq->inq_len = 31; /* Additional length */ 2912 inq->inq_dualp = 0; /* dual port device - NO */ 2913 inq->inq_reladdr = 0; /* Supports relative addressing - NO */ 2914 inq->inq_sync = 0; /* Supports synchronous data xfers - NO */ 2915 inq->inq_linked = 0; /* Supports linked commands - NO */ 2916 /* 2917 * Queuing support - controller has to 2918 * support some sort of command queuing. 2919 */ 2920 if (SATA_QDEPTH(sata_hba_inst) > 1) 2921 inq->inq_cmdque = 1; /* Supports command queueing - YES */ 2922 else 2923 inq->inq_cmdque = 0; /* Supports command queueing - NO */ 2924 inq->inq_sftre = 0; /* Supports Soft Reset option - NO ??? */ 2925 inq->inq_wbus32 = 0; /* Supports 32 bit wide data xfers - NO */ 2926 inq->inq_wbus16 = 0; /* Supports 16 bit wide data xfers - NO */ 2927 2928 #ifdef _LITTLE_ENDIAN 2929 /* Swap text fields to match SCSI format */ 2930 bcopy("ATA ", inq->inq_vid, 8); /* Vendor ID */ 2931 swab(sid->ai_model, inq->inq_pid, 16); /* Product ID */ 2932 if (strncmp(&sid->ai_fw[4], " ", 4) == 0) 2933 swab(sid->ai_fw, inq->inq_revision, 4); /* Revision level */ 2934 else 2935 swab(&sid->ai_fw[4], inq->inq_revision, 4); /* Rev. level */ 2936 #else /* _LITTLE_ENDIAN */ 2937 bcopy("ATA ", inq->inq_vid, 8); /* Vendor ID */ 2938 bcopy(sid->ai_model, inq->inq_pid, 16); /* Product ID */ 2939 if (strncmp(&sid->ai_fw[4], " ", 4) == 0) 2940 bcopy(sid->ai_fw, inq->inq_revision, 4); /* Revision level */ 2941 else 2942 bcopy(&sid->ai_fw[4], inq->inq_revision, 4); /* Rev. level */ 2943 #endif /* _LITTLE_ENDIAN */ 2944 } 2945 2946 2947 /* 2948 * Scsi response set up for invalid command (command not supported) 2949 * 2950 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 2951 */ 2952 static int 2953 sata_txlt_invalid_command(sata_pkt_txlate_t *spx) 2954 { 2955 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 2956 struct scsi_extended_sense *sense; 2957 2958 scsipkt->pkt_reason = CMD_CMPLT; 2959 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 2960 STATE_SENT_CMD | STATE_GOT_STATUS; 2961 2962 *scsipkt->pkt_scbp = STATUS_CHECK; 2963 2964 sense = sata_arq_sense(spx); 2965 sense->es_key = KEY_ILLEGAL_REQUEST; 2966 sense->es_add_code = SD_SCSI_ASC_INVALID_COMMAND_CODE; 2967 2968 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 2969 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 2970 2971 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 2972 scsipkt->pkt_comp != NULL) 2973 /* scsi callback required */ 2974 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 2975 (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, 2976 (void *)spx->txlt_scsi_pkt, 2977 TQ_SLEEP) == NULL) 2978 /* Scheduling the callback failed */ 2979 return (TRAN_BUSY); 2980 return (TRAN_ACCEPT); 2981 } 2982 2983 /* 2984 * Scsi response setup for 2985 * emulated non-data command that requires no action/return data 2986 * 2987 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 2988 */ 2989 static int 2990 sata_txlt_nodata_cmd_immediate(sata_pkt_txlate_t *spx) 2991 { 2992 int rval; 2993 int reason; 2994 2995 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 2996 2997 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 2998 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 2999 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3000 return (rval); 3001 } 3002 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3003 3004 spx->txlt_scsi_pkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3005 STATE_SENT_CMD | STATE_GOT_STATUS; 3006 spx->txlt_scsi_pkt->pkt_reason = CMD_CMPLT; 3007 *(spx->txlt_scsi_pkt->pkt_scbp) = STATUS_GOOD; 3008 3009 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3010 "Scsi_pkt completion reason %x\n", 3011 spx->txlt_scsi_pkt->pkt_reason); 3012 3013 if ((spx->txlt_scsi_pkt->pkt_flags & FLAG_NOINTR) == 0 && 3014 spx->txlt_scsi_pkt->pkt_comp != NULL) 3015 /* scsi callback required */ 3016 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3017 (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, 3018 (void *)spx->txlt_scsi_pkt, 3019 TQ_SLEEP) == NULL) 3020 /* Scheduling the callback failed */ 3021 return (TRAN_BUSY); 3022 return (TRAN_ACCEPT); 3023 } 3024 3025 3026 /* 3027 * SATA translate command: Inquiry / Identify Device 3028 * Use cached Identify Device data for now, rather than issuing actual 3029 * Device Identify cmd request. If device is detached and re-attached, 3030 * asynchromous event processing should fetch and refresh Identify Device 3031 * data. 3032 * Two VPD pages are supported now: 3033 * Vital Product Data page 3034 * Unit Serial Number page 3035 * 3036 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 3037 */ 3038 3039 #define EVPD 1 /* Extended Vital Product Data flag */ 3040 #define CMDDT 2 /* Command Support Data - Obsolete */ 3041 #define INQUIRY_SUP_VPD_PAGE 0 /* Supported VDP Pages Page COde */ 3042 #define INQUIRY_USN_PAGE 0x80 /* Unit Serial Number Page Code */ 3043 #define INQUIRY_DEV_IDENTIFICATION_PAGE 0x83 /* Not needed yet */ 3044 3045 static int 3046 sata_txlt_inquiry(sata_pkt_txlate_t *spx) 3047 { 3048 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3049 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 3050 sata_drive_info_t *sdinfo; 3051 struct scsi_extended_sense *sense; 3052 int count; 3053 uint8_t *p; 3054 int i, j; 3055 uint8_t page_buf[0xff]; /* Max length */ 3056 int rval, reason; 3057 3058 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 3059 3060 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 3061 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 3062 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3063 return (rval); 3064 } 3065 3066 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 3067 &spx->txlt_sata_pkt->satapkt_device); 3068 3069 ASSERT(sdinfo != NULL); 3070 3071 scsipkt->pkt_reason = CMD_CMPLT; 3072 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3073 STATE_SENT_CMD | STATE_GOT_STATUS; 3074 3075 /* Reject not supported request */ 3076 if (scsipkt->pkt_cdbp[1] & CMDDT) { /* No support for this bit */ 3077 *scsipkt->pkt_scbp = STATUS_CHECK; 3078 sense = sata_arq_sense(spx); 3079 sense->es_key = KEY_ILLEGAL_REQUEST; 3080 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 3081 goto done; 3082 } 3083 3084 /* Valid Inquiry request */ 3085 *scsipkt->pkt_scbp = STATUS_GOOD; 3086 3087 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { 3088 3089 /* 3090 * Because it is fully emulated command storing data 3091 * programatically in the specified buffer, release 3092 * preallocated DMA resources before storing data in the buffer, 3093 * so no unwanted DMA sync would take place. 3094 */ 3095 sata_scsi_dmafree(NULL, scsipkt); 3096 3097 if (!(scsipkt->pkt_cdbp[1] & EVPD)) { 3098 /* Standard Inquiry Data request */ 3099 struct scsi_inquiry inq; 3100 unsigned int bufsize; 3101 3102 sata_identdev_to_inquiry(spx->txlt_sata_hba_inst, 3103 sdinfo, (uint8_t *)&inq); 3104 /* Copy no more than requested */ 3105 count = MIN(bp->b_bcount, 3106 sizeof (struct scsi_inquiry)); 3107 bufsize = scsipkt->pkt_cdbp[4]; 3108 bufsize |= scsipkt->pkt_cdbp[3] << 8; 3109 count = MIN(count, bufsize); 3110 bcopy(&inq, bp->b_un.b_addr, count); 3111 3112 scsipkt->pkt_state |= STATE_XFERRED_DATA; 3113 scsipkt->pkt_resid = scsipkt->pkt_cdbp[4] > count ? 3114 bufsize - count : 0; 3115 } else { 3116 /* 3117 * peripheral_qualifier = 0; 3118 * 3119 * We are dealing only with HD and will be 3120 * dealing with CD/DVD devices soon 3121 */ 3122 uint8_t peripheral_device_type = 3123 sdinfo->satadrv_type == SATA_DTYPE_ATADISK ? 3124 DTYPE_DIRECT : DTYPE_RODIRECT; 3125 3126 switch ((uint_t)scsipkt->pkt_cdbp[2]) { 3127 case INQUIRY_SUP_VPD_PAGE: 3128 /* 3129 * Request for suported Vital Product Data 3130 * pages - assuming only 2 page codes 3131 * supported 3132 */ 3133 page_buf[0] = peripheral_device_type; 3134 page_buf[1] = INQUIRY_SUP_VPD_PAGE; 3135 page_buf[2] = 0; 3136 page_buf[3] = 2; /* page length */ 3137 page_buf[4] = INQUIRY_SUP_VPD_PAGE; 3138 page_buf[5] = INQUIRY_USN_PAGE; 3139 /* Copy no more than requested */ 3140 count = MIN(bp->b_bcount, 6); 3141 bcopy(page_buf, bp->b_un.b_addr, count); 3142 break; 3143 case INQUIRY_USN_PAGE: 3144 /* 3145 * Request for Unit Serial Number page 3146 */ 3147 page_buf[0] = peripheral_device_type; 3148 page_buf[1] = INQUIRY_USN_PAGE; 3149 page_buf[2] = 0; 3150 page_buf[3] = 20; /* remaining page length */ 3151 p = (uint8_t *)(sdinfo->satadrv_id.ai_drvser); 3152 #ifdef _LITTLE_ENDIAN 3153 swab(p, &page_buf[4], 20); 3154 #else 3155 bcopy(p, &page_buf[4], 20); 3156 #endif 3157 for (i = 0; i < 20; i++) { 3158 if (page_buf[4 + i] == '\0' || 3159 page_buf[4 + i] == '\040') { 3160 break; 3161 } 3162 } 3163 /* 3164 * 'i' contains string length. 3165 * 3166 * Least significant character of the serial 3167 * number shall appear as the last byte, 3168 * according to SBC-3 spec. 3169 */ 3170 p = &page_buf[20 + 4 - 1]; 3171 for (j = i; j > 0; j--, p--) { 3172 *p = *(p - 20 + i); 3173 } 3174 p = &page_buf[4]; 3175 for (j = 20 - i; j > 0; j--) { 3176 *p++ = '\040'; 3177 } 3178 count = MIN(bp->b_bcount, 24); 3179 bcopy(page_buf, bp->b_un.b_addr, count); 3180 break; 3181 3182 case INQUIRY_DEV_IDENTIFICATION_PAGE: 3183 /* 3184 * We may want to implement this page, when 3185 * identifiers are common for SATA devices 3186 * But not now. 3187 */ 3188 /*FALLTHROUGH*/ 3189 3190 default: 3191 /* Request for unsupported VPD page */ 3192 *scsipkt->pkt_scbp = STATUS_CHECK; 3193 sense = sata_arq_sense(spx); 3194 sense->es_key = KEY_ILLEGAL_REQUEST; 3195 sense->es_add_code = 3196 SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 3197 goto done; 3198 } 3199 } 3200 scsipkt->pkt_state |= STATE_XFERRED_DATA; 3201 scsipkt->pkt_resid = scsipkt->pkt_cdbp[4] > count ? 3202 scsipkt->pkt_cdbp[4] - count : 0; 3203 } 3204 done: 3205 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3206 3207 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3208 "Scsi_pkt completion reason %x\n", 3209 scsipkt->pkt_reason); 3210 3211 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3212 scsipkt->pkt_comp != NULL) { 3213 /* scsi callback required */ 3214 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3215 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 3216 TQ_SLEEP) == NULL) 3217 /* Scheduling the callback failed */ 3218 return (TRAN_BUSY); 3219 } 3220 return (TRAN_ACCEPT); 3221 } 3222 3223 /* 3224 * SATA translate command: Request Sense. 3225 * Emulated command (ATA version for SATA hard disks) 3226 * Always NO SENSE, because any sense data should be reported by ARQ sense. 3227 * 3228 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 3229 * 3230 * Note: There is a mismatch between already implemented Informational 3231 * Exception Mode Select page 0x1C and this function. 3232 * When MRIE bit is set in page 0x1C, Request Sense is supposed to return 3233 * NO SENSE and set additional sense code to the exception code - this is not 3234 * implemented here. 3235 */ 3236 static int 3237 sata_txlt_request_sense(sata_pkt_txlate_t *spx) 3238 { 3239 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3240 struct scsi_extended_sense sense; 3241 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 3242 int rval, reason; 3243 3244 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 3245 3246 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 3247 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 3248 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3249 return (rval); 3250 } 3251 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3252 3253 3254 scsipkt->pkt_reason = CMD_CMPLT; 3255 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3256 STATE_SENT_CMD | STATE_GOT_STATUS; 3257 *scsipkt->pkt_scbp = STATUS_GOOD; 3258 3259 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { 3260 /* 3261 * Because it is fully emulated command storing data 3262 * programatically in the specified buffer, release 3263 * preallocated DMA resources before storing data in the buffer, 3264 * so no unwanted DMA sync would take place. 3265 */ 3266 int count = MIN(bp->b_bcount, 3267 sizeof (struct scsi_extended_sense)); 3268 sata_scsi_dmafree(NULL, scsipkt); 3269 bzero(&sense, sizeof (struct scsi_extended_sense)); 3270 sense.es_valid = 0; /* Valid LBA */ 3271 sense.es_class = 7; /* Response code 0x70 - current err */ 3272 sense.es_key = KEY_NO_SENSE; 3273 sense.es_add_len = 6; /* Additional length */ 3274 /* Copy no more than requested */ 3275 bcopy(&sense, bp->b_un.b_addr, count); 3276 scsipkt->pkt_state |= STATE_XFERRED_DATA; 3277 scsipkt->pkt_resid = 0; 3278 } 3279 3280 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3281 "Scsi_pkt completion reason %x\n", 3282 scsipkt->pkt_reason); 3283 3284 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3285 scsipkt->pkt_comp != NULL) 3286 /* scsi callback required */ 3287 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3288 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 3289 TQ_SLEEP) == NULL) 3290 /* Scheduling the callback failed */ 3291 return (TRAN_BUSY); 3292 return (TRAN_ACCEPT); 3293 } 3294 3295 /* 3296 * SATA translate command: Test Unit Ready 3297 * At the moment this is an emulated command (ATA version for SATA hard disks). 3298 * May be translated into Check Power Mode command in the future 3299 * 3300 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 3301 */ 3302 static int 3303 sata_txlt_test_unit_ready(sata_pkt_txlate_t *spx) 3304 { 3305 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3306 struct scsi_extended_sense *sense; 3307 int power_state; 3308 int rval, reason; 3309 3310 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 3311 3312 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 3313 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 3314 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3315 return (rval); 3316 } 3317 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3318 3319 /* At this moment, emulate it rather than execute anything */ 3320 power_state = SATA_PWRMODE_ACTIVE; 3321 3322 scsipkt->pkt_reason = CMD_CMPLT; 3323 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3324 STATE_SENT_CMD | STATE_GOT_STATUS; 3325 3326 switch (power_state) { 3327 case SATA_PWRMODE_ACTIVE: 3328 case SATA_PWRMODE_IDLE: 3329 *scsipkt->pkt_scbp = STATUS_GOOD; 3330 break; 3331 default: 3332 /* PWR mode standby */ 3333 *scsipkt->pkt_scbp = STATUS_CHECK; 3334 sense = sata_arq_sense(spx); 3335 sense->es_key = KEY_NOT_READY; 3336 sense->es_add_code = SD_SCSI_ASC_LU_NOT_READY; 3337 break; 3338 } 3339 3340 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3341 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 3342 3343 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3344 scsipkt->pkt_comp != NULL) 3345 /* scsi callback required */ 3346 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3347 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 3348 TQ_SLEEP) == NULL) 3349 /* Scheduling the callback failed */ 3350 return (TRAN_BUSY); 3351 3352 return (TRAN_ACCEPT); 3353 } 3354 3355 3356 /* 3357 * SATA translate command: Start Stop Unit 3358 * Translation depends on a command: 3359 * Start Unit translated into Idle Immediate 3360 * Stop Unit translated into Standby Immediate 3361 * Unload Media / NOT SUPPORTED YET 3362 * Load Media / NOT SUPPROTED YET 3363 * Power condition bits are ignored, so is Immediate bit 3364 * Requesting synchronous execution. 3365 * 3366 * Returns TRAN_ACCEPT or code returned by sata_hba_start() and 3367 * appropriate values in scsi_pkt fields. 3368 */ 3369 static int 3370 sata_txlt_start_stop_unit(sata_pkt_txlate_t *spx) 3371 { 3372 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3373 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 3374 struct scsi_extended_sense *sense; 3375 sata_hba_inst_t *shi = SATA_TXLT_HBA_INST(spx); 3376 int cport = SATA_TXLT_CPORT(spx); 3377 int rval, reason; 3378 int synch; 3379 3380 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3381 "sata_txlt_start_stop_unit: %d\n", scsipkt->pkt_scbp[4] & 1); 3382 3383 mutex_enter(&SATA_CPORT_MUTEX(shi, cport)); 3384 3385 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 3386 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 3387 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3388 return (rval); 3389 } 3390 3391 if (scsipkt->pkt_cdbp[4] & 2) { 3392 /* Load/Unload Media - invalid request */ 3393 *scsipkt->pkt_scbp = STATUS_CHECK; 3394 sense = sata_arq_sense(spx); 3395 sense->es_key = KEY_ILLEGAL_REQUEST; 3396 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 3397 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3398 3399 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3400 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 3401 3402 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3403 scsipkt->pkt_comp != NULL) 3404 /* scsi callback required */ 3405 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3406 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 3407 TQ_SLEEP) == NULL) 3408 /* Scheduling the callback failed */ 3409 return (TRAN_BUSY); 3410 3411 return (TRAN_ACCEPT); 3412 } 3413 scmd->satacmd_addr_type = 0; 3414 scmd->satacmd_sec_count_lsb = 0; 3415 scmd->satacmd_lba_low_lsb = 0; 3416 scmd->satacmd_lba_mid_lsb = 0; 3417 scmd->satacmd_lba_high_lsb = 0; 3418 scmd->satacmd_features_reg = 0; 3419 scmd->satacmd_device_reg = 0; 3420 scmd->satacmd_status_reg = 0; 3421 if (scsipkt->pkt_cdbp[4] & 1) { 3422 /* Start Unit */ 3423 scmd->satacmd_cmd_reg = SATAC_IDLE_IM; 3424 } else { 3425 /* Stop Unit */ 3426 scmd->satacmd_cmd_reg = SATAC_STANDBY_IM; 3427 } 3428 3429 if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { 3430 /* Need to set-up a callback function */ 3431 spx->txlt_sata_pkt->satapkt_comp = 3432 sata_txlt_nodata_cmd_completion; 3433 synch = FALSE; 3434 } else { 3435 spx->txlt_sata_pkt->satapkt_op_mode = SATA_OPMODE_SYNCH; 3436 synch = TRUE; 3437 } 3438 3439 /* Transfer command to HBA */ 3440 if (sata_hba_start(spx, &rval) != 0) { 3441 /* Pkt not accepted for execution */ 3442 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 3443 return (rval); 3444 } 3445 3446 /* 3447 * If execution is non-synchronous, 3448 * a callback function will handle potential errors, translate 3449 * the response and will do a callback to a target driver. 3450 * If it was synchronous, check execution status using the same 3451 * framework callback. 3452 */ 3453 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 3454 if (synch) { 3455 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3456 "synchronous execution status %x\n", 3457 spx->txlt_sata_pkt->satapkt_reason); 3458 3459 sata_txlt_nodata_cmd_completion(spx->txlt_sata_pkt); 3460 } 3461 return (TRAN_ACCEPT); 3462 3463 } 3464 3465 3466 /* 3467 * SATA translate command: Read Capacity. 3468 * Emulated command for SATA disks. 3469 * Capacity is retrieved from cached Idenifty Device data. 3470 * Identify Device data shows effective disk capacity, not the native 3471 * capacity, which may be limitted by Set Max Address command. 3472 * This is ATA version for SATA hard disks. 3473 * 3474 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 3475 */ 3476 static int 3477 sata_txlt_read_capacity(sata_pkt_txlate_t *spx) 3478 { 3479 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3480 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 3481 sata_drive_info_t *sdinfo; 3482 uint64_t val; 3483 uchar_t *rbuf; 3484 int rval, reason; 3485 3486 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3487 "sata_txlt_read_capacity: ", NULL); 3488 3489 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 3490 3491 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 3492 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 3493 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3494 return (rval); 3495 } 3496 3497 scsipkt->pkt_reason = CMD_CMPLT; 3498 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3499 STATE_SENT_CMD | STATE_GOT_STATUS; 3500 *scsipkt->pkt_scbp = STATUS_GOOD; 3501 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { 3502 /* 3503 * Because it is fully emulated command storing data 3504 * programatically in the specified buffer, release 3505 * preallocated DMA resources before storing data in the buffer, 3506 * so no unwanted DMA sync would take place. 3507 */ 3508 sata_scsi_dmafree(NULL, scsipkt); 3509 3510 sdinfo = sata_get_device_info( 3511 spx->txlt_sata_hba_inst, 3512 &spx->txlt_sata_pkt->satapkt_device); 3513 /* Last logical block address */ 3514 val = sdinfo->satadrv_capacity - 1; 3515 rbuf = (uchar_t *)bp->b_un.b_addr; 3516 /* Need to swap endians to match scsi format */ 3517 rbuf[0] = (val >> 24) & 0xff; 3518 rbuf[1] = (val >> 16) & 0xff; 3519 rbuf[2] = (val >> 8) & 0xff; 3520 rbuf[3] = val & 0xff; 3521 /* block size - always 512 bytes, for now */ 3522 rbuf[4] = 0; 3523 rbuf[5] = 0; 3524 rbuf[6] = 0x02; 3525 rbuf[7] = 0; 3526 scsipkt->pkt_state |= STATE_XFERRED_DATA; 3527 scsipkt->pkt_resid = 0; 3528 3529 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "%d\n", 3530 sdinfo->satadrv_capacity -1); 3531 } 3532 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3533 /* 3534 * If a callback was requested, do it now. 3535 */ 3536 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3537 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 3538 3539 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3540 scsipkt->pkt_comp != NULL) 3541 /* scsi callback required */ 3542 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3543 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 3544 TQ_SLEEP) == NULL) 3545 /* Scheduling the callback failed */ 3546 return (TRAN_BUSY); 3547 3548 return (TRAN_ACCEPT); 3549 } 3550 3551 /* 3552 * SATA translate command: Mode Sense. 3553 * Translated into appropriate SATA command or emulated. 3554 * Saved Values Page Control (03) are not supported. 3555 * 3556 * NOTE: only caching mode sense page is currently implemented. 3557 * 3558 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 3559 */ 3560 3561 static int 3562 sata_txlt_mode_sense(sata_pkt_txlate_t *spx) 3563 { 3564 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3565 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 3566 sata_drive_info_t *sdinfo; 3567 sata_id_t *sata_id; 3568 struct scsi_extended_sense *sense; 3569 int len, bdlen, count, alc_len; 3570 int pc; /* Page Control code */ 3571 uint8_t *buf; /* mode sense buffer */ 3572 int rval, reason; 3573 3574 SATADBG2(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3575 "sata_txlt_mode_sense, pc %x page code 0x%02x\n", 3576 spx->txlt_scsi_pkt->pkt_cdbp[2] >> 6, 3577 spx->txlt_scsi_pkt->pkt_cdbp[2] & 0x3f); 3578 3579 buf = kmem_zalloc(1024, KM_SLEEP); 3580 3581 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 3582 3583 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 3584 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 3585 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3586 kmem_free(buf, 1024); 3587 return (rval); 3588 } 3589 3590 scsipkt->pkt_reason = CMD_CMPLT; 3591 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3592 STATE_SENT_CMD | STATE_GOT_STATUS; 3593 3594 pc = scsipkt->pkt_cdbp[2] >> 6; 3595 3596 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { 3597 /* 3598 * Because it is fully emulated command storing data 3599 * programatically in the specified buffer, release 3600 * preallocated DMA resources before storing data in the buffer, 3601 * so no unwanted DMA sync would take place. 3602 */ 3603 sata_scsi_dmafree(NULL, scsipkt); 3604 3605 len = 0; 3606 bdlen = 0; 3607 if (!(scsipkt->pkt_cdbp[1] & 8)) { 3608 if (scsipkt->pkt_cdbp[0] == SCMD_MODE_SENSE_G1 && 3609 (scsipkt->pkt_cdbp[0] & 0x10)) 3610 bdlen = 16; 3611 else 3612 bdlen = 8; 3613 } 3614 /* Build mode parameter header */ 3615 if (spx->txlt_scsi_pkt->pkt_cdbp[0] == SCMD_MODE_SENSE) { 3616 /* 4-byte mode parameter header */ 3617 buf[len++] = 0; /* mode data length */ 3618 buf[len++] = 0; /* medium type */ 3619 buf[len++] = 0; /* dev-specific param */ 3620 buf[len++] = bdlen; /* Block Descriptor length */ 3621 } else { 3622 /* 8-byte mode parameter header */ 3623 buf[len++] = 0; /* mode data length */ 3624 buf[len++] = 0; 3625 buf[len++] = 0; /* medium type */ 3626 buf[len++] = 0; /* dev-specific param */ 3627 if (bdlen == 16) 3628 buf[len++] = 1; /* long lba descriptor */ 3629 else 3630 buf[len++] = 0; 3631 buf[len++] = 0; 3632 buf[len++] = 0; /* Block Descriptor length */ 3633 buf[len++] = bdlen; 3634 } 3635 3636 sdinfo = sata_get_device_info( 3637 spx->txlt_sata_hba_inst, 3638 &spx->txlt_sata_pkt->satapkt_device); 3639 3640 /* Build block descriptor only if not disabled (DBD) */ 3641 if ((scsipkt->pkt_cdbp[1] & 0x08) == 0) { 3642 /* Block descriptor - direct-access device format */ 3643 if (bdlen == 8) { 3644 /* build regular block descriptor */ 3645 buf[len++] = 3646 (sdinfo->satadrv_capacity >> 24) & 0xff; 3647 buf[len++] = 3648 (sdinfo->satadrv_capacity >> 16) & 0xff; 3649 buf[len++] = 3650 (sdinfo->satadrv_capacity >> 8) & 0xff; 3651 buf[len++] = sdinfo->satadrv_capacity & 0xff; 3652 buf[len++] = 0; /* density code */ 3653 buf[len++] = 0; 3654 if (sdinfo->satadrv_type == 3655 SATA_DTYPE_ATADISK) 3656 buf[len++] = 2; 3657 else 3658 /* ATAPI */ 3659 buf[len++] = 8; 3660 buf[len++] = 0; 3661 } else if (bdlen == 16) { 3662 /* Long LBA Accepted */ 3663 /* build long lba block descriptor */ 3664 #ifndef __lock_lint 3665 buf[len++] = 3666 (sdinfo->satadrv_capacity >> 56) & 0xff; 3667 buf[len++] = 3668 (sdinfo->satadrv_capacity >> 48) & 0xff; 3669 buf[len++] = 3670 (sdinfo->satadrv_capacity >> 40) & 0xff; 3671 buf[len++] = 3672 (sdinfo->satadrv_capacity >> 32) & 0xff; 3673 #endif 3674 buf[len++] = 3675 (sdinfo->satadrv_capacity >> 24) & 0xff; 3676 buf[len++] = 3677 (sdinfo->satadrv_capacity >> 16) & 0xff; 3678 buf[len++] = 3679 (sdinfo->satadrv_capacity >> 8) & 0xff; 3680 buf[len++] = sdinfo->satadrv_capacity & 0xff; 3681 buf[len++] = 0; 3682 buf[len++] = 0; /* density code */ 3683 buf[len++] = 0; 3684 buf[len++] = 0; 3685 if (sdinfo->satadrv_type == 3686 SATA_DTYPE_ATADISK) 3687 buf[len++] = 2; 3688 else 3689 /* ATAPI */ 3690 buf[len++] = 8; 3691 buf[len++] = 0; 3692 } 3693 } 3694 3695 sata_id = &sdinfo->satadrv_id; 3696 3697 /* 3698 * Add requested pages. 3699 * Page 3 and 4 are obsolete and we are not supporting them. 3700 * We deal now with: 3701 * caching (read/write cache control). 3702 * We should eventually deal with following mode pages: 3703 * error recovery (0x01), 3704 * power condition (0x1a), 3705 * exception control page (enables SMART) (0x1c), 3706 * enclosure management (ses), 3707 * protocol-specific port mode (port control). 3708 */ 3709 switch (scsipkt->pkt_cdbp[2] & 0x3f) { 3710 case MODEPAGE_RW_ERRRECOV: 3711 /* DAD_MODE_ERR_RECOV */ 3712 /* R/W recovery */ 3713 len += sata_build_msense_page_1(sdinfo, pc, buf+len); 3714 break; 3715 case MODEPAGE_CACHING: 3716 /* DAD_MODE_CACHE */ 3717 /* Reject not supported request for saved parameters */ 3718 if (pc == 3) { 3719 *scsipkt->pkt_scbp = STATUS_CHECK; 3720 sense = sata_arq_sense(spx); 3721 sense->es_key = KEY_ILLEGAL_REQUEST; 3722 sense->es_add_code = 3723 SD_SCSI_ASC_SAVING_PARAMS_NOT_SUPPORTED; 3724 goto done; 3725 } 3726 3727 /* caching */ 3728 len += sata_build_msense_page_8(sdinfo, pc, buf+len); 3729 break; 3730 case MODEPAGE_INFO_EXCPT: 3731 /* exception cntrl */ 3732 if (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED) { 3733 len += sata_build_msense_page_1c(sdinfo, pc, 3734 buf+len); 3735 } 3736 else 3737 goto err; 3738 break; 3739 case MODEPAGE_POWER_COND: 3740 /* DAD_MODE_POWER_COND */ 3741 /* power condition */ 3742 len += sata_build_msense_page_1a(sdinfo, pc, buf+len); 3743 break; 3744 3745 case MODEPAGE_ACOUSTIC_MANAG: 3746 /* acoustic management */ 3747 len += sata_build_msense_page_30(sdinfo, pc, buf+len); 3748 break; 3749 case MODEPAGE_ALLPAGES: 3750 /* all pages */ 3751 len += sata_build_msense_page_1(sdinfo, pc, buf+len); 3752 len += sata_build_msense_page_8(sdinfo, pc, buf+len); 3753 len += sata_build_msense_page_1a(sdinfo, pc, buf+len); 3754 if (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED) { 3755 len += sata_build_msense_page_1c(sdinfo, pc, 3756 buf+len); 3757 } 3758 len += sata_build_msense_page_30(sdinfo, pc, buf+len); 3759 break; 3760 default: 3761 err: 3762 /* Invalid request */ 3763 *scsipkt->pkt_scbp = STATUS_CHECK; 3764 sense = sata_arq_sense(spx); 3765 sense->es_key = KEY_ILLEGAL_REQUEST; 3766 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 3767 goto done; 3768 } 3769 3770 /* fix total mode data length */ 3771 if (spx->txlt_scsi_pkt->pkt_cdbp[0] == SCMD_MODE_SENSE) { 3772 /* 4-byte mode parameter header */ 3773 buf[0] = len - 1; /* mode data length */ 3774 } else { 3775 buf[0] = (len -2) >> 8; 3776 buf[1] = (len -2) & 0xff; 3777 } 3778 3779 3780 /* Check allocation length */ 3781 if (scsipkt->pkt_cdbp[0] == SCMD_MODE_SENSE) { 3782 alc_len = scsipkt->pkt_cdbp[4]; 3783 } else { 3784 alc_len = scsipkt->pkt_cdbp[7]; 3785 alc_len = (len << 8) | scsipkt->pkt_cdbp[8]; 3786 } 3787 /* 3788 * We do not check for possible parameters truncation 3789 * (alc_len < len) assuming that the target driver works 3790 * correctly. Just avoiding overrun. 3791 * Copy no more than requested and possible, buffer-wise. 3792 */ 3793 count = MIN(alc_len, len); 3794 count = MIN(bp->b_bcount, count); 3795 bcopy(buf, bp->b_un.b_addr, count); 3796 3797 scsipkt->pkt_state |= STATE_XFERRED_DATA; 3798 scsipkt->pkt_resid = alc_len > count ? alc_len - count : 0; 3799 } 3800 *scsipkt->pkt_scbp = STATUS_GOOD; 3801 done: 3802 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3803 (void) kmem_free(buf, 1024); 3804 3805 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3806 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 3807 3808 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3809 scsipkt->pkt_comp != NULL) 3810 /* scsi callback required */ 3811 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3812 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 3813 TQ_SLEEP) == NULL) 3814 /* Scheduling the callback failed */ 3815 return (TRAN_BUSY); 3816 3817 return (TRAN_ACCEPT); 3818 } 3819 3820 3821 /* 3822 * SATA translate command: Mode Select. 3823 * Translated into appropriate SATA command or emulated. 3824 * Saving parameters is not supported. 3825 * Changing device capacity is not supported (although theoretically 3826 * possible by executing SET FEATURES/SET MAX ADDRESS) 3827 * 3828 * Assumption is that the target driver is working correctly. 3829 * 3830 * More than one SATA command may be executed to perform operations specified 3831 * by mode select pages. The first error terminates further execution. 3832 * Operations performed successully are not backed-up in such case. 3833 * 3834 * NOTE: Implemented pages: 3835 * - caching page 3836 * - informational exception page 3837 * - acoustic management page 3838 * Caching setup is remembered so it could be re-stored in case of 3839 * an unexpected device reset. 3840 * 3841 * Returns TRAN_XXXX. 3842 * If TRAN_ACCEPT is returned, appropriate values are set in scsi_pkt fields. 3843 */ 3844 3845 static int 3846 sata_txlt_mode_select(sata_pkt_txlate_t *spx) 3847 { 3848 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3849 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 3850 struct scsi_extended_sense *sense; 3851 int len, pagelen, count, pllen; 3852 uint8_t *buf; /* mode select buffer */ 3853 int rval, stat, reason; 3854 uint_t nointr_flag; 3855 int dmod = 0; 3856 3857 SATADBG2(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3858 "sata_txlt_mode_select, pc %x page code 0x%02x\n", 3859 spx->txlt_scsi_pkt->pkt_cdbp[2] >> 6, 3860 spx->txlt_scsi_pkt->pkt_cdbp[2] & 0x3f); 3861 3862 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 3863 3864 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 3865 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 3866 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3867 return (rval); 3868 } 3869 /* 3870 * If in interrupt context, reject this packet because it may result 3871 * in issuing a synchronous command to HBA. 3872 */ 3873 if (servicing_interrupt()) { 3874 SATADBG1(SATA_DBG_INTR_CTX, spx->txlt_sata_hba_inst, 3875 "sata_txlt_mode_select: rejecting command because " 3876 "of interrupt context\n", NULL); 3877 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3878 return (TRAN_BUSY); 3879 } 3880 3881 rval = TRAN_ACCEPT; 3882 3883 scsipkt->pkt_reason = CMD_CMPLT; 3884 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3885 STATE_SENT_CMD | STATE_GOT_STATUS; 3886 3887 /* Reject not supported request */ 3888 if (! (scsipkt->pkt_cdbp[1] & 0x10)) { /* No support for PF bit = 0 */ 3889 *scsipkt->pkt_scbp = STATUS_CHECK; 3890 sense = sata_arq_sense(spx); 3891 sense->es_key = KEY_ILLEGAL_REQUEST; 3892 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 3893 goto done; 3894 } 3895 3896 if (scsipkt->pkt_cdbp[0] == SCMD_MODE_SELECT) { 3897 pllen = scsipkt->pkt_cdbp[4]; 3898 } else { 3899 pllen = scsipkt->pkt_cdbp[7]; 3900 pllen = (pllen << 8) | scsipkt->pkt_cdbp[7]; 3901 } 3902 3903 *scsipkt->pkt_scbp = STATUS_GOOD; /* Presumed outcome */ 3904 3905 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount && pllen != 0) { 3906 buf = (uint8_t *)bp->b_un.b_addr; 3907 count = MIN(bp->b_bcount, pllen); 3908 scsipkt->pkt_state |= STATE_XFERRED_DATA; 3909 scsipkt->pkt_resid = 0; 3910 pllen = count; 3911 3912 /* 3913 * Check the header to skip the block descriptor(s) - we 3914 * do not support setting device capacity. 3915 * Existing macros do not recognize long LBA dscriptor, 3916 * hence manual calculation. 3917 */ 3918 if (scsipkt->pkt_cdbp[0] == SCMD_MODE_SELECT) { 3919 /* 6-bytes CMD, 4 bytes header */ 3920 if (count <= 4) 3921 goto done; /* header only */ 3922 len = buf[3] + 4; 3923 } else { 3924 /* 10-bytes CMD, 8 bytes header */ 3925 if (count <= 8) 3926 goto done; /* header only */ 3927 len = buf[6]; 3928 len = (len << 8) + buf[7] + 8; 3929 } 3930 if (len >= count) 3931 goto done; /* header + descriptor(s) only */ 3932 3933 pllen -= len; /* remaining data length */ 3934 3935 /* 3936 * We may be executing SATA command and want to execute it 3937 * in SYNCH mode, regardless of scsi_pkt setting. 3938 * Save scsi_pkt setting and indicate SYNCH mode 3939 */ 3940 nointr_flag = scsipkt->pkt_flags & FLAG_NOINTR; 3941 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3942 scsipkt->pkt_comp != NULL) { 3943 scsipkt->pkt_flags |= FLAG_NOINTR; 3944 } 3945 spx->txlt_sata_pkt->satapkt_op_mode = SATA_OPMODE_SYNCH; 3946 3947 /* 3948 * len is now the offset to a first mode select page 3949 * Process all pages 3950 */ 3951 while (pllen > 0) { 3952 switch ((int)buf[len]) { 3953 case MODEPAGE_CACHING: 3954 /* No support for SP (saving) */ 3955 if (scsipkt->pkt_cdbp[1] & 0x01) { 3956 *scsipkt->pkt_scbp = STATUS_CHECK; 3957 sense = sata_arq_sense(spx); 3958 sense->es_key = KEY_ILLEGAL_REQUEST; 3959 sense->es_add_code = 3960 SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 3961 goto done; 3962 } 3963 stat = sata_mode_select_page_8(spx, 3964 (struct mode_cache_scsi3 *)&buf[len], 3965 pllen, &pagelen, &rval, &dmod); 3966 /* 3967 * The pagelen value indicates the number of 3968 * parameter bytes already processed. 3969 * The rval is the return value from 3970 * sata_tran_start(). 3971 * The stat indicates the overall status of 3972 * the operation(s). 3973 */ 3974 if (stat != SATA_SUCCESS) 3975 /* 3976 * Page processing did not succeed - 3977 * all error info is already set-up, 3978 * just return 3979 */ 3980 pllen = 0; /* this breaks the loop */ 3981 else { 3982 len += pagelen; 3983 pllen -= pagelen; 3984 } 3985 break; 3986 3987 case MODEPAGE_INFO_EXCPT: 3988 stat = sata_mode_select_page_1c(spx, 3989 (struct mode_info_excpt_page *)&buf[len], 3990 pllen, &pagelen, &rval, &dmod); 3991 /* 3992 * The pagelen value indicates the number of 3993 * parameter bytes already processed. 3994 * The rval is the return value from 3995 * sata_tran_start(). 3996 * The stat indicates the overall status of 3997 * the operation(s). 3998 */ 3999 if (stat != SATA_SUCCESS) 4000 /* 4001 * Page processing did not succeed - 4002 * all error info is already set-up, 4003 * just return 4004 */ 4005 pllen = 0; /* this breaks the loop */ 4006 else { 4007 len += pagelen; 4008 pllen -= pagelen; 4009 } 4010 break; 4011 4012 case MODEPAGE_ACOUSTIC_MANAG: 4013 stat = sata_mode_select_page_30(spx, 4014 (struct mode_acoustic_management *) 4015 &buf[len], 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 4036 break; 4037 default: 4038 *scsipkt->pkt_scbp = STATUS_CHECK; 4039 sense = sata_arq_sense(spx); 4040 sense->es_key = KEY_ILLEGAL_REQUEST; 4041 sense->es_add_code = 4042 SD_SCSI_ASC_INVALID_FIELD_IN_PARAMS_LIST; 4043 goto done; 4044 } 4045 } 4046 } 4047 done: 4048 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4049 /* 4050 * If device parameters were modified, fetch and store the new 4051 * Identify Device data. Since port mutex could have been released 4052 * for accessing HBA driver, we need to re-check device existence. 4053 */ 4054 if (dmod != 0) { 4055 sata_drive_info_t new_sdinfo, *sdinfo; 4056 int rv = 0; 4057 4058 /* 4059 * Following statement has to be changed if this function is 4060 * used for devices other than SATA hard disks. 4061 */ 4062 new_sdinfo.satadrv_type = SATA_DTYPE_ATADISK; 4063 4064 new_sdinfo.satadrv_addr = 4065 spx->txlt_sata_pkt->satapkt_device.satadev_addr; 4066 rv = sata_fetch_device_identify_data(spx->txlt_sata_hba_inst, 4067 &new_sdinfo); 4068 4069 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 4070 /* 4071 * Since port mutex could have been released when 4072 * accessing HBA driver, we need to re-check that the 4073 * framework still holds the device info structure. 4074 */ 4075 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 4076 &spx->txlt_sata_pkt->satapkt_device); 4077 if (sdinfo != NULL) { 4078 /* 4079 * Device still has info structure in the 4080 * sata framework. Copy newly fetched info 4081 */ 4082 if (rv == 0) { 4083 sdinfo->satadrv_id = new_sdinfo.satadrv_id; 4084 sata_save_drive_settings(sdinfo); 4085 } else { 4086 /* 4087 * Could not fetch new data - invalidate 4088 * sata_drive_info. That makes device 4089 * unusable. 4090 */ 4091 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 4092 sdinfo->satadrv_state = SATA_STATE_UNKNOWN; 4093 } 4094 } 4095 if (rv != 0 || sdinfo == NULL) { 4096 /* 4097 * This changes the overall mode select completion 4098 * reason to a failed one !!!!! 4099 */ 4100 *scsipkt->pkt_scbp = STATUS_CHECK; 4101 sense = sata_arq_sense(spx); 4102 scsipkt->pkt_reason = CMD_INCOMPLETE; 4103 rval = TRAN_ACCEPT; 4104 } 4105 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4106 } 4107 /* Restore the scsi pkt flags */ 4108 scsipkt->pkt_flags &= ~FLAG_NOINTR; 4109 scsipkt->pkt_flags |= nointr_flag; 4110 4111 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4112 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 4113 4114 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 4115 scsipkt->pkt_comp != NULL) 4116 /* scsi callback required */ 4117 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 4118 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 4119 TQ_SLEEP) == NULL) 4120 /* Scheduling the callback failed */ 4121 return (TRAN_BUSY); 4122 4123 return (rval); 4124 } 4125 4126 4127 4128 /* 4129 * Translate command: Log Sense 4130 */ 4131 static int 4132 sata_txlt_log_sense(sata_pkt_txlate_t *spx) 4133 { 4134 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 4135 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 4136 sata_drive_info_t *sdinfo; 4137 struct scsi_extended_sense *sense; 4138 int len, count, alc_len; 4139 int pc; /* Page Control code */ 4140 int page_code; /* Page code */ 4141 uint8_t *buf; /* log sense buffer */ 4142 int rval, reason; 4143 #define MAX_LOG_SENSE_PAGE_SIZE 512 4144 4145 SATADBG2(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4146 "sata_txlt_log_sense, pc 0x%x, page code 0x%x\n", 4147 spx->txlt_scsi_pkt->pkt_cdbp[2] >> 6, 4148 spx->txlt_scsi_pkt->pkt_cdbp[2] & 0x3f); 4149 4150 buf = kmem_zalloc(MAX_LOG_SENSE_PAGE_SIZE, KM_SLEEP); 4151 4152 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 4153 4154 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 4155 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 4156 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4157 kmem_free(buf, MAX_LOG_SENSE_PAGE_SIZE); 4158 return (rval); 4159 } 4160 /* 4161 * If in interrupt context, reject this packet because it may result 4162 * in issuing a synchronous command to HBA. 4163 */ 4164 if (servicing_interrupt()) { 4165 SATADBG1(SATA_DBG_INTR_CTX, spx->txlt_sata_hba_inst, 4166 "sata_log_sense: rejecting command because " 4167 "of interrupt context\n", NULL); 4168 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4169 kmem_free(buf, MAX_LOG_SENSE_PAGE_SIZE); 4170 return (TRAN_BUSY); 4171 } 4172 4173 scsipkt->pkt_reason = CMD_CMPLT; 4174 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 4175 STATE_SENT_CMD | STATE_GOT_STATUS; 4176 4177 pc = scsipkt->pkt_cdbp[2] >> 6; 4178 page_code = scsipkt->pkt_cdbp[2] & 0x3f; 4179 4180 /* Reject not supported request for all but cumulative values */ 4181 switch (pc) { 4182 case PC_CUMULATIVE_VALUES: 4183 break; 4184 default: 4185 *scsipkt->pkt_scbp = STATUS_CHECK; 4186 sense = sata_arq_sense(spx); 4187 sense->es_key = KEY_ILLEGAL_REQUEST; 4188 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 4189 goto done; 4190 } 4191 4192 switch (page_code) { 4193 case PAGE_CODE_GET_SUPPORTED_LOG_PAGES: 4194 case PAGE_CODE_SELF_TEST_RESULTS: 4195 case PAGE_CODE_INFORMATION_EXCEPTIONS: 4196 case PAGE_CODE_SMART_READ_DATA: 4197 break; 4198 default: 4199 *scsipkt->pkt_scbp = STATUS_CHECK; 4200 sense = sata_arq_sense(spx); 4201 sense->es_key = KEY_ILLEGAL_REQUEST; 4202 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 4203 goto done; 4204 } 4205 4206 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { 4207 /* 4208 * Because log sense uses local buffers for data retrieval from 4209 * the devices and sets the data programatically in the 4210 * original specified buffer, release preallocated DMA 4211 * resources before storing data in the original buffer, 4212 * so no unwanted DMA sync would take place. 4213 */ 4214 sata_id_t *sata_id; 4215 4216 sata_scsi_dmafree(NULL, scsipkt); 4217 4218 len = 0; 4219 4220 /* Build log parameter header */ 4221 buf[len++] = page_code; /* page code as in the CDB */ 4222 buf[len++] = 0; /* reserved */ 4223 buf[len++] = 0; /* Zero out page length for now (MSB) */ 4224 buf[len++] = 0; /* (LSB) */ 4225 4226 sdinfo = sata_get_device_info( 4227 spx->txlt_sata_hba_inst, 4228 &spx->txlt_sata_pkt->satapkt_device); 4229 4230 /* 4231 * Add requested pages. 4232 */ 4233 switch (page_code) { 4234 case PAGE_CODE_GET_SUPPORTED_LOG_PAGES: 4235 len = sata_build_lsense_page_0(sdinfo, buf + len); 4236 break; 4237 case PAGE_CODE_SELF_TEST_RESULTS: 4238 sata_id = &sdinfo->satadrv_id; 4239 if ((! (sata_id->ai_cmdset84 & 4240 SATA_SMART_SELF_TEST_SUPPORTED)) || 4241 (! (sata_id->ai_features87 & 4242 SATA_SMART_SELF_TEST_SUPPORTED))) { 4243 *scsipkt->pkt_scbp = STATUS_CHECK; 4244 sense = sata_arq_sense(spx); 4245 sense->es_key = KEY_ILLEGAL_REQUEST; 4246 sense->es_add_code = 4247 SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 4248 4249 goto done; 4250 } 4251 len = sata_build_lsense_page_10(sdinfo, buf + len, 4252 spx->txlt_sata_hba_inst); 4253 break; 4254 case PAGE_CODE_INFORMATION_EXCEPTIONS: 4255 sata_id = &sdinfo->satadrv_id; 4256 if (! (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED)) { 4257 *scsipkt->pkt_scbp = STATUS_CHECK; 4258 sense = sata_arq_sense(spx); 4259 sense->es_key = KEY_ILLEGAL_REQUEST; 4260 sense->es_add_code = 4261 SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 4262 4263 goto done; 4264 } 4265 if (! (sata_id->ai_features85 & SATA_SMART_ENABLED)) { 4266 *scsipkt->pkt_scbp = STATUS_CHECK; 4267 sense = sata_arq_sense(spx); 4268 sense->es_key = KEY_ABORTED_COMMAND; 4269 sense->es_add_code = 4270 SCSI_ASC_ATA_DEV_FEAT_NOT_ENABLED; 4271 sense->es_qual_code = 4272 SCSI_ASCQ_ATA_DEV_FEAT_NOT_ENABLED; 4273 4274 goto done; 4275 } 4276 4277 len = sata_build_lsense_page_2f(sdinfo, buf + len, 4278 spx->txlt_sata_hba_inst); 4279 break; 4280 case PAGE_CODE_SMART_READ_DATA: 4281 sata_id = &sdinfo->satadrv_id; 4282 if (! (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED)) { 4283 *scsipkt->pkt_scbp = STATUS_CHECK; 4284 sense = sata_arq_sense(spx); 4285 sense->es_key = KEY_ILLEGAL_REQUEST; 4286 sense->es_add_code = 4287 SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 4288 4289 goto done; 4290 } 4291 if (! (sata_id->ai_features85 & SATA_SMART_ENABLED)) { 4292 *scsipkt->pkt_scbp = STATUS_CHECK; 4293 sense = sata_arq_sense(spx); 4294 sense->es_key = KEY_ABORTED_COMMAND; 4295 sense->es_add_code = 4296 SCSI_ASC_ATA_DEV_FEAT_NOT_ENABLED; 4297 sense->es_qual_code = 4298 SCSI_ASCQ_ATA_DEV_FEAT_NOT_ENABLED; 4299 4300 goto done; 4301 } 4302 4303 /* This page doesn't include a page header */ 4304 len = sata_build_lsense_page_30(sdinfo, buf, 4305 spx->txlt_sata_hba_inst); 4306 goto no_header; 4307 default: 4308 /* Invalid request */ 4309 *scsipkt->pkt_scbp = STATUS_CHECK; 4310 sense = sata_arq_sense(spx); 4311 sense->es_key = KEY_ILLEGAL_REQUEST; 4312 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 4313 goto done; 4314 } 4315 4316 /* set parameter log sense data length */ 4317 buf[2] = len >> 8; /* log sense length (MSB) */ 4318 buf[3] = len & 0xff; /* log sense length (LSB) */ 4319 4320 len += SCSI_LOG_PAGE_HDR_LEN; 4321 ASSERT(len <= MAX_LOG_SENSE_PAGE_SIZE); 4322 4323 no_header: 4324 /* Check allocation length */ 4325 alc_len = scsipkt->pkt_cdbp[7]; 4326 alc_len = (len << 8) | scsipkt->pkt_cdbp[8]; 4327 4328 /* 4329 * We do not check for possible parameters truncation 4330 * (alc_len < len) assuming that the target driver works 4331 * correctly. Just avoiding overrun. 4332 * Copy no more than requested and possible, buffer-wise. 4333 */ 4334 count = MIN(alc_len, len); 4335 count = MIN(bp->b_bcount, count); 4336 bcopy(buf, bp->b_un.b_addr, count); 4337 4338 scsipkt->pkt_state |= STATE_XFERRED_DATA; 4339 scsipkt->pkt_resid = alc_len > count ? alc_len - count : 0; 4340 } 4341 *scsipkt->pkt_scbp = STATUS_GOOD; 4342 done: 4343 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4344 (void) kmem_free(buf, MAX_LOG_SENSE_PAGE_SIZE); 4345 4346 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4347 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 4348 4349 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 4350 scsipkt->pkt_comp != NULL) 4351 /* scsi callback required */ 4352 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 4353 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 4354 TQ_SLEEP) == NULL) 4355 /* Scheduling the callback failed */ 4356 return (TRAN_BUSY); 4357 4358 return (TRAN_ACCEPT); 4359 } 4360 4361 /* 4362 * Translate command: Log Select 4363 * Not implemented at this time - returns invalid command response. 4364 */ 4365 static int 4366 sata_txlt_log_select(sata_pkt_txlate_t *spx) 4367 { 4368 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4369 "sata_txlt_log_select\n", NULL); 4370 4371 return (sata_txlt_invalid_command(spx)); 4372 } 4373 4374 4375 /* 4376 * Translate command: Read (various types). 4377 * Translated into appropriate type of ATA READ command 4378 * for SATA hard disks. 4379 * Both the device capabilities and requested operation mode are 4380 * considered. 4381 * 4382 * Following scsi cdb fields are ignored: 4383 * rdprotect, dpo, fua, fua_nv, group_number. 4384 * 4385 * If SATA_ENABLE_QUEUING flag is set (in the global SATA HBA framework 4386 * enable variable sata_func_enable), the capability of the controller and 4387 * capability of a device are checked and if both support queueing, read 4388 * request will be translated to READ_DMA_QUEUEING or READ_DMA_QUEUEING_EXT 4389 * command rather than plain READ_XXX command. 4390 * If SATA_ENABLE_NCQ flag is set in addition to SATA_ENABLE_QUEUING flag and 4391 * both the controller and device suport such functionality, the read 4392 * request will be translated to READ_FPDMA_QUEUED command. 4393 * In both cases the maximum queue depth is derived as minimum of: 4394 * HBA capability,device capability and sata_max_queue_depth variable setting. 4395 * The value passed to HBA driver is decremented by 1, because only 5 bits are 4396 * used to pass max queue depth value, and the maximum possible queue depth 4397 * is 32. 4398 * 4399 * Returns TRAN_ACCEPT or code returned by sata_hba_start() and 4400 * appropriate values in scsi_pkt fields. 4401 */ 4402 static int 4403 sata_txlt_read(sata_pkt_txlate_t *spx) 4404 { 4405 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 4406 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 4407 sata_drive_info_t *sdinfo; 4408 sata_hba_inst_t *shi = SATA_TXLT_HBA_INST(spx); 4409 int cport = SATA_TXLT_CPORT(spx); 4410 uint16_t sec_count; 4411 uint64_t lba; 4412 int rval, reason; 4413 int synch; 4414 4415 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 4416 4417 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 4418 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 4419 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4420 return (rval); 4421 } 4422 4423 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 4424 &spx->txlt_sata_pkt->satapkt_device); 4425 4426 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 4427 /* 4428 * Extract LBA and sector count from scsi CDB. 4429 */ 4430 switch ((uint_t)scsipkt->pkt_cdbp[0]) { 4431 case SCMD_READ: 4432 /* 6-byte scsi read cmd : 0x08 */ 4433 lba = (scsipkt->pkt_cdbp[1] & 0x1f); 4434 lba = (lba << 8) | scsipkt->pkt_cdbp[2]; 4435 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4436 sec_count = scsipkt->pkt_cdbp[4]; 4437 /* sec_count 0 will be interpreted as 256 by a device */ 4438 break; 4439 case SCMD_READ_G1: 4440 /* 10-bytes scsi read command : 0x28 */ 4441 lba = scsipkt->pkt_cdbp[2]; 4442 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4443 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 4444 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 4445 sec_count = scsipkt->pkt_cdbp[7]; 4446 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[8]; 4447 break; 4448 case SCMD_READ_G5: 4449 /* 12-bytes scsi read command : 0xA8 */ 4450 lba = scsipkt->pkt_cdbp[2]; 4451 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4452 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 4453 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 4454 sec_count = scsipkt->pkt_cdbp[6]; 4455 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[7]; 4456 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[8]; 4457 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[9]; 4458 break; 4459 case SCMD_READ_G4: 4460 /* 16-bytes scsi read command : 0x88 */ 4461 lba = scsipkt->pkt_cdbp[2]; 4462 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4463 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 4464 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 4465 lba = (lba << 8) | scsipkt->pkt_cdbp[6]; 4466 lba = (lba << 8) | scsipkt->pkt_cdbp[7]; 4467 lba = (lba << 8) | scsipkt->pkt_cdbp[8]; 4468 lba = (lba << 8) | scsipkt->pkt_cdbp[9]; 4469 sec_count = scsipkt->pkt_cdbp[10]; 4470 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[11]; 4471 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[12]; 4472 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[13]; 4473 break; 4474 default: 4475 /* Unsupported command */ 4476 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4477 return (sata_txlt_invalid_command(spx)); 4478 } 4479 4480 /* 4481 * Check if specified address exceeds device capacity 4482 */ 4483 if ((lba >= sdinfo->satadrv_capacity) || 4484 ((lba + sec_count) > sdinfo->satadrv_capacity)) { 4485 /* LBA out of range */ 4486 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4487 return (sata_txlt_lba_out_of_range(spx)); 4488 } 4489 4490 /* 4491 * For zero-length transfer, emulate good completion of the command 4492 * (reasons for rejecting the command were already checked). 4493 * No DMA resources were allocated. 4494 */ 4495 if (spx->txlt_dma_cookie_list == NULL) { 4496 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4497 return (sata_emul_rw_completion(spx)); 4498 } 4499 4500 /* 4501 * Build cmd block depending on the device capability and 4502 * requested operation mode. 4503 * Do not bother with non-dma mode - we are working only with 4504 * devices supporting DMA. 4505 */ 4506 scmd->satacmd_addr_type = ATA_ADDR_LBA; 4507 scmd->satacmd_device_reg = SATA_ADH_LBA; 4508 scmd->satacmd_cmd_reg = SATAC_READ_DMA; 4509 if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) { 4510 scmd->satacmd_addr_type = ATA_ADDR_LBA48; 4511 scmd->satacmd_cmd_reg = SATAC_READ_DMA_EXT; 4512 scmd->satacmd_sec_count_msb = sec_count >> 8; 4513 #ifndef __lock_lint 4514 scmd->satacmd_lba_low_msb = (lba >> 24) & 0xff; 4515 scmd->satacmd_lba_mid_msb = (lba >> 32) & 0xff; 4516 scmd->satacmd_lba_high_msb = lba >> 40; 4517 #endif 4518 } else if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA28) { 4519 scmd->satacmd_addr_type = ATA_ADDR_LBA28; 4520 scmd->satacmd_device_reg = SATA_ADH_LBA | ((lba >> 24) & 0xf); 4521 } 4522 scmd->satacmd_sec_count_lsb = sec_count & 0xff; 4523 scmd->satacmd_lba_low_lsb = lba & 0xff; 4524 scmd->satacmd_lba_mid_lsb = (lba >> 8) & 0xff; 4525 scmd->satacmd_lba_high_lsb = (lba >> 16) & 0xff; 4526 scmd->satacmd_features_reg = 0; 4527 scmd->satacmd_status_reg = 0; 4528 scmd->satacmd_error_reg = 0; 4529 4530 /* 4531 * Check if queueing commands should be used and switch 4532 * to appropriate command if possible 4533 */ 4534 if (sata_func_enable & SATA_ENABLE_QUEUING) { 4535 boolean_t using_queuing; 4536 4537 /* Queuing supported by controller and device? */ 4538 if ((sata_func_enable & SATA_ENABLE_NCQ) && 4539 (sdinfo->satadrv_features_support & 4540 SATA_DEV_F_NCQ) && 4541 (SATA_FEATURES(spx->txlt_sata_hba_inst) & 4542 SATA_CTLF_NCQ)) { 4543 using_queuing = B_TRUE; 4544 4545 /* NCQ supported - use FPDMA READ */ 4546 scmd->satacmd_cmd_reg = 4547 SATAC_READ_FPDMA_QUEUED; 4548 scmd->satacmd_features_reg_ext = 4549 scmd->satacmd_sec_count_msb; 4550 scmd->satacmd_sec_count_msb = 0; 4551 } else if ((sdinfo->satadrv_features_support & 4552 SATA_DEV_F_TCQ) && 4553 (SATA_FEATURES(spx->txlt_sata_hba_inst) & 4554 SATA_CTLF_QCMD)) { 4555 using_queuing = B_TRUE; 4556 4557 /* Legacy queueing */ 4558 if (sdinfo->satadrv_features_support & 4559 SATA_DEV_F_LBA48) { 4560 scmd->satacmd_cmd_reg = 4561 SATAC_READ_DMA_QUEUED_EXT; 4562 scmd->satacmd_features_reg_ext = 4563 scmd->satacmd_sec_count_msb; 4564 scmd->satacmd_sec_count_msb = 0; 4565 } else { 4566 scmd->satacmd_cmd_reg = 4567 SATAC_READ_DMA_QUEUED; 4568 } 4569 } else /* NCQ nor legacy queuing not supported */ 4570 using_queuing = B_FALSE; 4571 4572 /* 4573 * If queuing, the sector count goes in the features register 4574 * and the secount count will contain the tag. 4575 */ 4576 if (using_queuing) { 4577 scmd->satacmd_features_reg = 4578 scmd->satacmd_sec_count_lsb; 4579 scmd->satacmd_sec_count_lsb = 0; 4580 scmd->satacmd_flags.sata_queued = B_TRUE; 4581 4582 /* Set-up maximum queue depth */ 4583 scmd->satacmd_flags.sata_max_queue_depth = 4584 sdinfo->satadrv_max_queue_depth - 1; 4585 } else if (sdinfo->satadrv_features_enabled & 4586 SATA_DEV_F_E_UNTAGGED_QING) { 4587 /* 4588 * Although NCQ/TCQ is not enabled, untagged queuing 4589 * may be still used. 4590 * Set-up the maximum untagged queue depth. 4591 * Use controller's queue depth from sata_hba_tran. 4592 * SATA HBA drivers may ignore this value and rely on 4593 * the internal limits.For drivers that do not 4594 * ignore untaged queue depth, limit the value to 4595 * SATA_MAX_QUEUE_DEPTH (32), as this is the 4596 * largest value that can be passed via 4597 * satacmd_flags.sata_max_queue_depth. 4598 */ 4599 scmd->satacmd_flags.sata_max_queue_depth = 4600 SATA_QDEPTH(shi) <= SATA_MAX_QUEUE_DEPTH ? 4601 SATA_QDEPTH(shi) - 1: SATA_MAX_QUEUE_DEPTH - 1; 4602 4603 } else { 4604 scmd->satacmd_flags.sata_max_queue_depth = 0; 4605 } 4606 } else 4607 scmd->satacmd_flags.sata_max_queue_depth = 0; 4608 4609 SATADBG3(SATA_DBG_HBA_IF, spx->txlt_sata_hba_inst, 4610 "sata_txlt_read cmd 0x%2x, lba %llx, sec count %x\n", 4611 scmd->satacmd_cmd_reg, lba, sec_count); 4612 4613 if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { 4614 /* Need callback function */ 4615 spx->txlt_sata_pkt->satapkt_comp = sata_txlt_rw_completion; 4616 synch = FALSE; 4617 } else 4618 synch = TRUE; 4619 4620 /* Transfer command to HBA */ 4621 if (sata_hba_start(spx, &rval) != 0) { 4622 /* Pkt not accepted for execution */ 4623 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 4624 return (rval); 4625 } 4626 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 4627 /* 4628 * If execution is non-synchronous, 4629 * a callback function will handle potential errors, translate 4630 * the response and will do a callback to a target driver. 4631 * If it was synchronous, check execution status using the same 4632 * framework callback. 4633 */ 4634 if (synch) { 4635 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4636 "synchronous execution status %x\n", 4637 spx->txlt_sata_pkt->satapkt_reason); 4638 sata_txlt_rw_completion(spx->txlt_sata_pkt); 4639 } 4640 return (TRAN_ACCEPT); 4641 } 4642 4643 4644 /* 4645 * SATA translate command: Write (various types) 4646 * Translated into appropriate type of ATA WRITE command 4647 * for SATA hard disks. 4648 * Both the device capabilities and requested operation mode are 4649 * considered. 4650 * 4651 * Following scsi cdb fields are ignored: 4652 * rwprotect, dpo, fua, fua_nv, group_number. 4653 * 4654 * If SATA_ENABLE_QUEUING flag is set (in the global SATA HBA framework 4655 * enable variable sata_func_enable), the capability of the controller and 4656 * capability of a device are checked and if both support queueing, write 4657 * request will be translated to WRITE_DMA_QUEUEING or WRITE_DMA_QUEUEING_EXT 4658 * command rather than plain WRITE_XXX command. 4659 * If SATA_ENABLE_NCQ flag is set in addition to SATA_ENABLE_QUEUING flag and 4660 * both the controller and device suport such functionality, the write 4661 * request will be translated to WRITE_FPDMA_QUEUED command. 4662 * In both cases the maximum queue depth is derived as minimum of: 4663 * HBA capability,device capability and sata_max_queue_depth variable setting. 4664 * The value passed to HBA driver is decremented by 1, because only 5 bits are 4665 * used to pass max queue depth value, and the maximum possible queue depth 4666 * is 32. 4667 * 4668 * Returns TRAN_ACCEPT or code returned by sata_hba_start() and 4669 * appropriate values in scsi_pkt fields. 4670 */ 4671 static int 4672 sata_txlt_write(sata_pkt_txlate_t *spx) 4673 { 4674 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 4675 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 4676 sata_drive_info_t *sdinfo; 4677 sata_hba_inst_t *shi = SATA_TXLT_HBA_INST(spx); 4678 int cport = SATA_TXLT_CPORT(spx); 4679 uint16_t sec_count; 4680 uint64_t lba; 4681 int rval, reason; 4682 int synch; 4683 4684 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 4685 4686 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 4687 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 4688 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4689 return (rval); 4690 } 4691 4692 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 4693 &spx->txlt_sata_pkt->satapkt_device); 4694 4695 scmd->satacmd_flags.sata_data_direction = SATA_DIR_WRITE; 4696 /* 4697 * Extract LBA and sector count from scsi CDB 4698 */ 4699 switch ((uint_t)scsipkt->pkt_cdbp[0]) { 4700 case SCMD_WRITE: 4701 /* 6-byte scsi read cmd : 0x0A */ 4702 lba = (scsipkt->pkt_cdbp[1] & 0x1f); 4703 lba = (lba << 8) | scsipkt->pkt_cdbp[2]; 4704 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4705 sec_count = scsipkt->pkt_cdbp[4]; 4706 /* sec_count 0 will be interpreted as 256 by a device */ 4707 break; 4708 case SCMD_WRITE_G1: 4709 /* 10-bytes scsi write command : 0x2A */ 4710 lba = scsipkt->pkt_cdbp[2]; 4711 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4712 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 4713 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 4714 sec_count = scsipkt->pkt_cdbp[7]; 4715 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[8]; 4716 break; 4717 case SCMD_WRITE_G5: 4718 /* 12-bytes scsi read command : 0xAA */ 4719 lba = scsipkt->pkt_cdbp[2]; 4720 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4721 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 4722 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 4723 sec_count = scsipkt->pkt_cdbp[6]; 4724 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[7]; 4725 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[8]; 4726 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[9]; 4727 break; 4728 case SCMD_WRITE_G4: 4729 /* 16-bytes scsi write command : 0x8A */ 4730 lba = scsipkt->pkt_cdbp[2]; 4731 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4732 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 4733 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 4734 lba = (lba << 8) | scsipkt->pkt_cdbp[6]; 4735 lba = (lba << 8) | scsipkt->pkt_cdbp[7]; 4736 lba = (lba << 8) | scsipkt->pkt_cdbp[8]; 4737 lba = (lba << 8) | scsipkt->pkt_cdbp[9]; 4738 sec_count = scsipkt->pkt_cdbp[10]; 4739 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[11]; 4740 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[12]; 4741 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[13]; 4742 break; 4743 default: 4744 /* Unsupported command */ 4745 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4746 return (sata_txlt_invalid_command(spx)); 4747 } 4748 4749 /* 4750 * Check if specified address and length exceeds device capacity 4751 */ 4752 if ((lba >= sdinfo->satadrv_capacity) || 4753 ((lba + sec_count) > sdinfo->satadrv_capacity)) { 4754 /* LBA out of range */ 4755 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4756 return (sata_txlt_lba_out_of_range(spx)); 4757 } 4758 4759 /* 4760 * For zero-length transfer, emulate good completion of the command 4761 * (reasons for rejecting the command were already checked). 4762 * No DMA resources were allocated. 4763 */ 4764 if (spx->txlt_dma_cookie_list == NULL) { 4765 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4766 return (sata_emul_rw_completion(spx)); 4767 } 4768 4769 /* 4770 * Build cmd block depending on the device capability and 4771 * requested operation mode. 4772 * Do not bother with non-dma mode- we are working only with 4773 * devices supporting DMA. 4774 */ 4775 scmd->satacmd_addr_type = ATA_ADDR_LBA; 4776 scmd->satacmd_device_reg = SATA_ADH_LBA; 4777 scmd->satacmd_cmd_reg = SATAC_WRITE_DMA; 4778 if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) { 4779 scmd->satacmd_addr_type = ATA_ADDR_LBA48; 4780 scmd->satacmd_cmd_reg = SATAC_WRITE_DMA_EXT; 4781 scmd->satacmd_sec_count_msb = sec_count >> 8; 4782 scmd->satacmd_lba_low_msb = (lba >> 24) & 0xff; 4783 #ifndef __lock_lint 4784 scmd->satacmd_lba_mid_msb = (lba >> 32) & 0xff; 4785 scmd->satacmd_lba_high_msb = lba >> 40; 4786 #endif 4787 } else if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA28) { 4788 scmd->satacmd_addr_type = ATA_ADDR_LBA28; 4789 scmd->satacmd_device_reg = SATA_ADH_LBA | ((lba >> 24) & 0xf); 4790 } 4791 scmd->satacmd_sec_count_lsb = sec_count & 0xff; 4792 scmd->satacmd_lba_low_lsb = lba & 0xff; 4793 scmd->satacmd_lba_mid_lsb = (lba >> 8) & 0xff; 4794 scmd->satacmd_lba_high_lsb = (lba >> 16) & 0xff; 4795 scmd->satacmd_features_reg = 0; 4796 scmd->satacmd_status_reg = 0; 4797 scmd->satacmd_error_reg = 0; 4798 4799 /* 4800 * Check if queueing commands should be used and switch 4801 * to appropriate command if possible 4802 */ 4803 if (sata_func_enable & SATA_ENABLE_QUEUING) { 4804 boolean_t using_queuing; 4805 4806 /* Queuing supported by controller and device? */ 4807 if ((sata_func_enable & SATA_ENABLE_NCQ) && 4808 (sdinfo->satadrv_features_support & 4809 SATA_DEV_F_NCQ) && 4810 (SATA_FEATURES(spx->txlt_sata_hba_inst) & 4811 SATA_CTLF_NCQ)) { 4812 using_queuing = B_TRUE; 4813 4814 /* NCQ supported - use FPDMA WRITE */ 4815 scmd->satacmd_cmd_reg = 4816 SATAC_WRITE_FPDMA_QUEUED; 4817 scmd->satacmd_features_reg_ext = 4818 scmd->satacmd_sec_count_msb; 4819 scmd->satacmd_sec_count_msb = 0; 4820 } else if ((sdinfo->satadrv_features_support & 4821 SATA_DEV_F_TCQ) && 4822 (SATA_FEATURES(spx->txlt_sata_hba_inst) & 4823 SATA_CTLF_QCMD)) { 4824 using_queuing = B_TRUE; 4825 4826 /* Legacy queueing */ 4827 if (sdinfo->satadrv_features_support & 4828 SATA_DEV_F_LBA48) { 4829 scmd->satacmd_cmd_reg = 4830 SATAC_WRITE_DMA_QUEUED_EXT; 4831 scmd->satacmd_features_reg_ext = 4832 scmd->satacmd_sec_count_msb; 4833 scmd->satacmd_sec_count_msb = 0; 4834 } else { 4835 scmd->satacmd_cmd_reg = 4836 SATAC_WRITE_DMA_QUEUED; 4837 } 4838 } else /* NCQ nor legacy queuing not supported */ 4839 using_queuing = B_FALSE; 4840 4841 if (using_queuing) { 4842 scmd->satacmd_features_reg = 4843 scmd->satacmd_sec_count_lsb; 4844 scmd->satacmd_sec_count_lsb = 0; 4845 scmd->satacmd_flags.sata_queued = B_TRUE; 4846 /* Set-up maximum queue depth */ 4847 scmd->satacmd_flags.sata_max_queue_depth = 4848 sdinfo->satadrv_max_queue_depth - 1; 4849 } else if (sdinfo->satadrv_features_enabled & 4850 SATA_DEV_F_E_UNTAGGED_QING) { 4851 /* 4852 * Although NCQ/TCQ is not enabled, untagged queuing 4853 * may be still used. 4854 * Set-up the maximum untagged queue depth. 4855 * Use controller's queue depth from sata_hba_tran. 4856 * SATA HBA drivers may ignore this value and rely on 4857 * the internal limits. For drivera that do not 4858 * ignore untaged queue depth, limit the value to 4859 * SATA_MAX_QUEUE_DEPTH (32), as this is the 4860 * largest value that can be passed via 4861 * satacmd_flags.sata_max_queue_depth. 4862 */ 4863 scmd->satacmd_flags.sata_max_queue_depth = 4864 SATA_QDEPTH(shi) <= SATA_MAX_QUEUE_DEPTH ? 4865 SATA_QDEPTH(shi) - 1: SATA_MAX_QUEUE_DEPTH - 1; 4866 4867 } else { 4868 scmd->satacmd_flags.sata_max_queue_depth = 0; 4869 } 4870 } else 4871 scmd->satacmd_flags.sata_max_queue_depth = 0; 4872 4873 SATADBG3(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4874 "sata_txlt_write cmd 0x%2x, lba %llx, sec count %x\n", 4875 scmd->satacmd_cmd_reg, lba, sec_count); 4876 4877 if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { 4878 /* Need callback function */ 4879 spx->txlt_sata_pkt->satapkt_comp = sata_txlt_rw_completion; 4880 synch = FALSE; 4881 } else 4882 synch = TRUE; 4883 4884 /* Transfer command to HBA */ 4885 if (sata_hba_start(spx, &rval) != 0) { 4886 /* Pkt not accepted for execution */ 4887 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 4888 return (rval); 4889 } 4890 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 4891 4892 /* 4893 * If execution is non-synchronous, 4894 * a callback function will handle potential errors, translate 4895 * the response and will do a callback to a target driver. 4896 * If it was synchronous, check execution status using the same 4897 * framework callback. 4898 */ 4899 if (synch) { 4900 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4901 "synchronous execution status %x\n", 4902 spx->txlt_sata_pkt->satapkt_reason); 4903 sata_txlt_rw_completion(spx->txlt_sata_pkt); 4904 } 4905 return (TRAN_ACCEPT); 4906 } 4907 4908 4909 /* 4910 * Implements SCSI SBC WRITE BUFFER command download microcode option 4911 */ 4912 static int 4913 sata_txlt_write_buffer(sata_pkt_txlate_t *spx) 4914 { 4915 #define WB_DOWNLOAD_MICROCODE_AND_REVERT_MODE 4 4916 #define WB_DOWNLOAD_MICROCODE_AND_SAVE_MODE 5 4917 4918 sata_hba_inst_t *sata_hba_inst = SATA_TXLT_HBA_INST(spx); 4919 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 4920 struct sata_pkt *sata_pkt = spx->txlt_sata_pkt; 4921 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 4922 4923 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 4924 struct scsi_extended_sense *sense; 4925 int rval, mode, sector_count, reason; 4926 int cport = SATA_TXLT_CPORT(spx); 4927 4928 mode = scsipkt->pkt_cdbp[1] & 0x1f; 4929 4930 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4931 "sata_txlt_write_buffer, mode 0x%x\n", mode); 4932 4933 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 4934 4935 if ((rval = sata_txlt_generic_pkt_info(spx, &reason)) != TRAN_ACCEPT) { 4936 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4937 return (rval); 4938 } 4939 /* 4940 * If in interrupt context, reject this packet because it would issue 4941 * a synchronous command to HBA. 4942 */ 4943 if (servicing_interrupt()) { 4944 SATADBG1(SATA_DBG_INTR_CTX, spx->txlt_sata_hba_inst, 4945 "sata_txlt_write_buffer: rejecting command because " 4946 "of interrupt context\n", NULL); 4947 return (TRAN_BUSY); 4948 } 4949 4950 /* Use synchronous mode */ 4951 spx->txlt_sata_pkt->satapkt_op_mode 4952 |= SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 4953 4954 scmd->satacmd_flags.sata_data_direction = SATA_DIR_WRITE; 4955 4956 scsipkt->pkt_reason = CMD_CMPLT; 4957 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 4958 STATE_SENT_CMD | STATE_GOT_STATUS; 4959 4960 /* 4961 * The SCSI to ATA translation specification only calls 4962 * for WB_DOWNLOAD_MICROCODE_AND_SAVE_MODE. 4963 * WB_DOWNLOAD_MICROC_AND_REVERT_MODE is implemented, but 4964 * ATA 8 (draft) got rid of download microcode for temp 4965 * and it is even optional for ATA 7, so it may be aborted. 4966 * WB_DOWNLOAD_MICROCODE_WITH_OFFSET is not implemented as 4967 * it is not specified and the buffer offset for SCSI is a 16-bit 4968 * value in bytes, but for ATA it is a 16-bit offset in 512 byte 4969 * sectors. Thus the offset really doesn't buy us anything. 4970 * If and when ATA 8 is stabilized and the SCSI to ATA specification 4971 * is revised, this can be revisisted. 4972 */ 4973 /* Reject not supported request */ 4974 switch (mode) { 4975 case WB_DOWNLOAD_MICROCODE_AND_REVERT_MODE: 4976 scmd->satacmd_features_reg = SATA_DOWNLOAD_MCODE_TEMP; 4977 break; 4978 case WB_DOWNLOAD_MICROCODE_AND_SAVE_MODE: 4979 scmd->satacmd_features_reg = SATA_DOWNLOAD_MCODE_SAVE; 4980 break; 4981 default: 4982 goto bad_param; 4983 } 4984 4985 *scsipkt->pkt_scbp = STATUS_GOOD; /* Presumed outcome */ 4986 4987 scmd->satacmd_cmd_reg = SATAC_DOWNLOAD_MICROCODE; 4988 if ((bp->b_bcount % SATA_DISK_SECTOR_SIZE) != 0) 4989 goto bad_param; 4990 sector_count = bp->b_bcount / SATA_DISK_SECTOR_SIZE; 4991 scmd->satacmd_sec_count_lsb = (uint8_t)sector_count; 4992 scmd->satacmd_lba_low_lsb = ((uint16_t)sector_count) >> 8; 4993 scmd->satacmd_lba_mid_lsb = 0; 4994 scmd->satacmd_lba_high_lsb = 0; 4995 scmd->satacmd_device_reg = 0; 4996 spx->txlt_sata_pkt->satapkt_comp = NULL; 4997 scmd->satacmd_addr_type = 0; 4998 4999 /* Transfer command to HBA */ 5000 if (sata_hba_start(spx, &rval) != 0) { 5001 /* Pkt not accepted for execution */ 5002 mutex_exit(&SATA_CPORT_MUTEX(sata_hba_inst, cport)); 5003 return (rval); 5004 } 5005 5006 mutex_exit(&SATA_CPORT_MUTEX(sata_hba_inst, cport)); 5007 5008 /* Then we need synchronous check the status of the disk */ 5009 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5010 STATE_SENT_CMD | STATE_XFERRED_DATA | STATE_GOT_STATUS; 5011 if (sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) { 5012 scsipkt->pkt_reason = CMD_CMPLT; 5013 5014 /* Download commmand succeed, so probe and identify device */ 5015 sata_reidentify_device(spx); 5016 } else { 5017 /* Something went wrong, microcode download command failed */ 5018 scsipkt->pkt_reason = CMD_INCOMPLETE; 5019 *scsipkt->pkt_scbp = STATUS_CHECK; 5020 sense = sata_arq_sense(spx); 5021 switch (sata_pkt->satapkt_reason) { 5022 case SATA_PKT_PORT_ERROR: 5023 /* 5024 * We have no device data. Assume no data transfered. 5025 */ 5026 sense->es_key = KEY_HARDWARE_ERROR; 5027 break; 5028 5029 case SATA_PKT_DEV_ERROR: 5030 if (sata_pkt->satapkt_cmd.satacmd_status_reg & 5031 SATA_STATUS_ERR) { 5032 /* 5033 * determine dev error reason from error 5034 * reg content 5035 */ 5036 sata_decode_device_error(spx, sense); 5037 break; 5038 } 5039 /* No extended sense key - no info available */ 5040 break; 5041 5042 case SATA_PKT_TIMEOUT: 5043 scsipkt->pkt_reason = CMD_TIMEOUT; 5044 scsipkt->pkt_statistics |= 5045 STAT_TIMEOUT | STAT_DEV_RESET; 5046 /* No extended sense key ? */ 5047 break; 5048 5049 case SATA_PKT_ABORTED: 5050 scsipkt->pkt_reason = CMD_ABORTED; 5051 scsipkt->pkt_statistics |= STAT_ABORTED; 5052 /* No extended sense key ? */ 5053 break; 5054 5055 case SATA_PKT_RESET: 5056 /* pkt aborted by an explicit reset from a host */ 5057 scsipkt->pkt_reason = CMD_RESET; 5058 scsipkt->pkt_statistics |= STAT_DEV_RESET; 5059 break; 5060 5061 default: 5062 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 5063 "sata_txlt_nodata_cmd_completion: " 5064 "invalid packet completion reason %d", 5065 sata_pkt->satapkt_reason)); 5066 scsipkt->pkt_reason = CMD_TRAN_ERR; 5067 break; 5068 } 5069 5070 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5071 "scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 5072 5073 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 5074 scsipkt->pkt_comp != NULL) 5075 /* scsi callback required */ 5076 (*scsipkt->pkt_comp)(scsipkt); 5077 } 5078 return (TRAN_ACCEPT); 5079 5080 bad_param: 5081 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 5082 *scsipkt->pkt_scbp = STATUS_CHECK; 5083 sense = sata_arq_sense(spx); 5084 sense->es_key = KEY_ILLEGAL_REQUEST; 5085 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 5086 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 5087 scsipkt->pkt_comp != NULL) { 5088 /* scsi callback required */ 5089 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 5090 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 5091 TQ_SLEEP) == 0) { 5092 /* Scheduling the callback failed */ 5093 rval = TRAN_BUSY; 5094 } 5095 } 5096 return (rval); 5097 } 5098 5099 /* 5100 * Re-identify device after doing a firmware download. 5101 */ 5102 static void 5103 sata_reidentify_device(sata_pkt_txlate_t *spx) 5104 { 5105 #define DOWNLOAD_WAIT_TIME_SECS 60 5106 #define DOWNLOAD_WAIT_INTERVAL_SECS 1 5107 int rval; 5108 int retry_cnt; 5109 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5110 sata_hba_inst_t *sata_hba_inst = spx->txlt_sata_hba_inst; 5111 sata_device_t sata_device = spx->txlt_sata_pkt->satapkt_device; 5112 sata_drive_info_t *sdinfo; 5113 5114 /* 5115 * Before returning good status, probe device. 5116 * Device probing will get IDENTIFY DEVICE data, if possible. 5117 * The assumption is that the new microcode is applied by the 5118 * device. It is a caller responsibility to verify this. 5119 */ 5120 for (retry_cnt = 0; 5121 retry_cnt < DOWNLOAD_WAIT_TIME_SECS / DOWNLOAD_WAIT_INTERVAL_SECS; 5122 retry_cnt++) { 5123 rval = sata_probe_device(sata_hba_inst, &sata_device); 5124 5125 if (rval == SATA_SUCCESS) { /* Set default features */ 5126 sdinfo = sata_get_device_info(sata_hba_inst, 5127 &sata_device); 5128 if (sata_initialize_device(sata_hba_inst, sdinfo) != 5129 SATA_SUCCESS) { 5130 /* retry */ 5131 (void) sata_initialize_device(sata_hba_inst, 5132 sdinfo); 5133 } 5134 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 5135 scsipkt->pkt_comp != NULL) 5136 (*scsipkt->pkt_comp)(scsipkt); 5137 return; 5138 } else if (rval == SATA_RETRY) { 5139 delay(drv_usectohz(1000000 * 5140 DOWNLOAD_WAIT_INTERVAL_SECS)); 5141 continue; 5142 } else /* failed - no reason to retry */ 5143 break; 5144 } 5145 5146 /* 5147 * Something went wrong, device probing failed. 5148 */ 5149 SATA_LOG_D((sata_hba_inst, CE_WARN, 5150 "Cannot probe device after downloading microcode\n")); 5151 5152 /* Reset device to force retrying the probe. */ 5153 (void) (*SATA_RESET_DPORT_FUNC(sata_hba_inst)) 5154 (SATA_DIP(sata_hba_inst), &sata_device); 5155 5156 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 5157 scsipkt->pkt_comp != NULL) 5158 (*scsipkt->pkt_comp)(scsipkt); 5159 } 5160 5161 5162 /* 5163 * Translate command: Synchronize Cache. 5164 * Translates into Flush Cache command for SATA hard disks. 5165 * 5166 * Returns TRAN_ACCEPT or code returned by sata_hba_start() and 5167 * appropriate values in scsi_pkt fields. 5168 */ 5169 static int 5170 sata_txlt_synchronize_cache(sata_pkt_txlate_t *spx) 5171 { 5172 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 5173 sata_hba_inst_t *shi = SATA_TXLT_HBA_INST(spx); 5174 int cport = SATA_TXLT_CPORT(spx); 5175 int rval, reason; 5176 int synch; 5177 5178 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 5179 5180 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 5181 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 5182 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 5183 return (rval); 5184 } 5185 5186 scmd->satacmd_addr_type = 0; 5187 scmd->satacmd_cmd_reg = SATAC_FLUSH_CACHE; 5188 scmd->satacmd_device_reg = 0; 5189 scmd->satacmd_sec_count_lsb = 0; 5190 scmd->satacmd_lba_low_lsb = 0; 5191 scmd->satacmd_lba_mid_lsb = 0; 5192 scmd->satacmd_lba_high_lsb = 0; 5193 scmd->satacmd_features_reg = 0; 5194 scmd->satacmd_status_reg = 0; 5195 scmd->satacmd_error_reg = 0; 5196 5197 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5198 "sata_txlt_synchronize_cache\n", NULL); 5199 5200 if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { 5201 /* Need to set-up a callback function */ 5202 spx->txlt_sata_pkt->satapkt_comp = 5203 sata_txlt_nodata_cmd_completion; 5204 synch = FALSE; 5205 } else 5206 synch = TRUE; 5207 5208 /* Transfer command to HBA */ 5209 if (sata_hba_start(spx, &rval) != 0) { 5210 /* Pkt not accepted for execution */ 5211 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 5212 return (rval); 5213 } 5214 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 5215 5216 /* 5217 * If execution non-synchronous, it had to be completed 5218 * a callback function will handle potential errors, translate 5219 * the response and will do a callback to a target driver. 5220 * If it was synchronous, check status, using the same 5221 * framework callback. 5222 */ 5223 if (synch) { 5224 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5225 "synchronous execution status %x\n", 5226 spx->txlt_sata_pkt->satapkt_reason); 5227 sata_txlt_nodata_cmd_completion(spx->txlt_sata_pkt); 5228 } 5229 return (TRAN_ACCEPT); 5230 } 5231 5232 5233 /* 5234 * Send pkt to SATA HBA driver 5235 * 5236 * This function may be called only if the operation is requested by scsi_pkt, 5237 * i.e. scsi_pkt is not NULL. 5238 * 5239 * This function has to be called with cport mutex held. It does release 5240 * the mutex when it calls HBA driver sata_tran_start function and 5241 * re-acquires it afterwards. 5242 * 5243 * If return value is 0, pkt was accepted, -1 otherwise 5244 * rval is set to appropriate sata_scsi_start return value. 5245 * 5246 * Note 1:If HBA driver returns value other than TRAN_ACCEPT, it should not 5247 * have called the sata_pkt callback function for this packet. 5248 * 5249 * The scsi callback has to be performed by the caller of this routine. 5250 * 5251 * Note 2: No port multiplier support for now. 5252 */ 5253 static int 5254 sata_hba_start(sata_pkt_txlate_t *spx, int *rval) 5255 { 5256 int stat, cport; 5257 sata_hba_inst_t *sata_hba_inst = spx->txlt_sata_hba_inst; 5258 sata_drive_info_t *sdinfo; 5259 sata_device_t *sata_device; 5260 uint8_t cmd; 5261 struct sata_cmd_flags cmd_flags; 5262 5263 ASSERT(spx->txlt_sata_pkt != NULL); 5264 5265 cport = SATA_TXLT_CPORT(spx); 5266 ASSERT(mutex_owned(&SATA_CPORT_MUTEX(sata_hba_inst, cport))); 5267 5268 sdinfo = sata_get_device_info(sata_hba_inst, 5269 &spx->txlt_sata_pkt->satapkt_device); 5270 ASSERT(sdinfo != NULL); 5271 5272 /* Clear device reset state? */ 5273 if (sdinfo->satadrv_event_flags & SATA_EVNT_CLEAR_DEVICE_RESET) { 5274 spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags. 5275 sata_clear_dev_reset = B_TRUE; 5276 sdinfo->satadrv_event_flags &= ~SATA_EVNT_CLEAR_DEVICE_RESET; 5277 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 5278 "sata_hba_start: clearing device reset state\n", NULL); 5279 } 5280 cmd = spx->txlt_sata_pkt->satapkt_cmd.satacmd_cmd_reg; 5281 cmd_flags = spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags; 5282 sata_device = &spx->txlt_sata_pkt->satapkt_device; 5283 5284 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 5285 5286 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5287 "Sata cmd 0x%2x\n", cmd); 5288 5289 stat = (*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), 5290 spx->txlt_sata_pkt); 5291 5292 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 5293 /* 5294 * If sata pkt was accepted and executed in asynchronous mode, i.e. 5295 * with the sata callback, the sata_pkt could be already destroyed 5296 * by the time we check ther return status from the hba_start() 5297 * function, because sata_scsi_destroy_pkt() could have been already 5298 * called (perhaps in the interrupt context). So, in such case, there 5299 * should be no references to it. In other cases, sata_pkt still 5300 * exists. 5301 */ 5302 if (stat == SATA_TRAN_ACCEPTED) { 5303 /* 5304 * pkt accepted for execution. 5305 * If it was executed synchronously, it is already completed 5306 * and pkt completion_reason indicates completion status. 5307 */ 5308 *rval = TRAN_ACCEPT; 5309 return (0); 5310 } 5311 5312 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 5313 switch (stat) { 5314 case SATA_TRAN_QUEUE_FULL: 5315 /* 5316 * Controller detected queue full condition. 5317 */ 5318 SATADBG1(SATA_DBG_HBA_IF, sata_hba_inst, 5319 "sata_hba_start: queue full\n", NULL); 5320 5321 spx->txlt_scsi_pkt->pkt_reason = CMD_INCOMPLETE; 5322 *spx->txlt_scsi_pkt->pkt_scbp = STATUS_QFULL; 5323 5324 *rval = TRAN_BUSY; 5325 break; 5326 5327 case SATA_TRAN_PORT_ERROR: 5328 /* 5329 * Communication/link with device or general port error 5330 * detected before pkt execution begun. 5331 */ 5332 if (spx->txlt_sata_pkt->satapkt_device.satadev_addr.qual == 5333 SATA_ADDR_CPORT || 5334 spx->txlt_sata_pkt->satapkt_device.satadev_addr.qual == 5335 SATA_ADDR_DCPORT) 5336 sata_log(sata_hba_inst, CE_CONT, 5337 "SATA port %d error", 5338 sata_device->satadev_addr.cport); 5339 else 5340 sata_log(sata_hba_inst, CE_CONT, 5341 "SATA port %d pmport %d error\n", 5342 sata_device->satadev_addr.cport, 5343 sata_device->satadev_addr.pmport); 5344 5345 /* 5346 * Update the port/device structure. 5347 * sata_pkt should be still valid. Since port error is 5348 * returned, sata_device content should reflect port 5349 * state - it means, that sata address have been changed, 5350 * because original packet's sata address refered to a device 5351 * attached to some port. 5352 */ 5353 sata_update_port_info(sata_hba_inst, sata_device); 5354 spx->txlt_scsi_pkt->pkt_reason = CMD_TRAN_ERR; 5355 *rval = TRAN_FATAL_ERROR; 5356 break; 5357 5358 case SATA_TRAN_CMD_UNSUPPORTED: 5359 /* 5360 * Command rejected by HBA as unsupported. It was HBA driver 5361 * that rejected the command, command was not sent to 5362 * an attached device. 5363 */ 5364 if ((sdinfo != NULL) && 5365 (sdinfo->satadrv_state & SATA_DSTATE_RESET)) 5366 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 5367 "sat_hba_start: cmd 0x%2x rejected " 5368 "with SATA_TRAN_CMD_UNSUPPORTED status\n", cmd); 5369 5370 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 5371 (void) sata_txlt_invalid_command(spx); 5372 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 5373 5374 *rval = TRAN_ACCEPT; 5375 break; 5376 5377 case SATA_TRAN_BUSY: 5378 /* 5379 * Command rejected by HBA because other operation prevents 5380 * accepting the packet, or device is in RESET condition. 5381 */ 5382 if (sdinfo != NULL) { 5383 sdinfo->satadrv_state = 5384 spx->txlt_sata_pkt->satapkt_device.satadev_state; 5385 5386 if (sdinfo->satadrv_state & SATA_DSTATE_RESET) { 5387 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 5388 "sata_hba_start: cmd 0x%2x rejected " 5389 "because of device reset condition\n", 5390 cmd); 5391 } else { 5392 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 5393 "sata_hba_start: cmd 0x%2x rejected " 5394 "with SATA_TRAN_BUSY status\n", 5395 cmd); 5396 } 5397 } 5398 spx->txlt_scsi_pkt->pkt_reason = CMD_INCOMPLETE; 5399 *rval = TRAN_BUSY; 5400 break; 5401 5402 default: 5403 /* Unrecognized HBA response */ 5404 SATA_LOG_D((sata_hba_inst, CE_WARN, 5405 "sata_hba_start: unrecognized HBA response " 5406 "to cmd : 0x%2x resp 0x%x", cmd, rval)); 5407 spx->txlt_scsi_pkt->pkt_reason = CMD_TRAN_ERR; 5408 *rval = TRAN_FATAL_ERROR; 5409 break; 5410 } 5411 5412 /* 5413 * If we got here, the packet was rejected. 5414 * Check if we need to remember reset state clearing request 5415 */ 5416 if (cmd_flags.sata_clear_dev_reset) { 5417 /* 5418 * Check if device is still configured - it may have 5419 * disapeared from the configuration 5420 */ 5421 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 5422 if (sdinfo != NULL) { 5423 /* 5424 * Restore the flag that requests clearing of 5425 * the device reset state, 5426 * so the next sata packet may carry it to HBA. 5427 */ 5428 sdinfo->satadrv_event_flags |= 5429 SATA_EVNT_CLEAR_DEVICE_RESET; 5430 } 5431 } 5432 return (-1); 5433 } 5434 5435 /* 5436 * Scsi response setup for invalid LBA 5437 * 5438 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 5439 */ 5440 static int 5441 sata_txlt_lba_out_of_range(sata_pkt_txlate_t *spx) 5442 { 5443 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5444 struct scsi_extended_sense *sense; 5445 5446 scsipkt->pkt_reason = CMD_CMPLT; 5447 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5448 STATE_SENT_CMD | STATE_GOT_STATUS; 5449 *scsipkt->pkt_scbp = STATUS_CHECK; 5450 5451 *scsipkt->pkt_scbp = STATUS_CHECK; 5452 sense = sata_arq_sense(spx); 5453 sense->es_key = KEY_ILLEGAL_REQUEST; 5454 sense->es_add_code = SD_SCSI_ASC_LBA_OUT_OF_RANGE; 5455 5456 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5457 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 5458 5459 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 5460 scsipkt->pkt_comp != NULL) 5461 /* scsi callback required */ 5462 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 5463 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 5464 TQ_SLEEP) == NULL) 5465 /* Scheduling the callback failed */ 5466 return (TRAN_BUSY); 5467 return (TRAN_ACCEPT); 5468 } 5469 5470 5471 /* 5472 * Analyze device status and error registers and translate them into 5473 * appropriate scsi sense codes. 5474 * NOTE: non-packet commands only for now 5475 */ 5476 static void 5477 sata_decode_device_error(sata_pkt_txlate_t *spx, 5478 struct scsi_extended_sense *sense) 5479 { 5480 uint8_t err_reg = spx->txlt_sata_pkt->satapkt_cmd.satacmd_error_reg; 5481 5482 ASSERT(sense != NULL); 5483 ASSERT(spx->txlt_sata_pkt->satapkt_cmd.satacmd_status_reg & 5484 SATA_STATUS_ERR); 5485 5486 5487 if (err_reg & SATA_ERROR_ICRC) { 5488 sense->es_key = KEY_ABORTED_COMMAND; 5489 sense->es_add_code = 0x08; /* Communication failure */ 5490 return; 5491 } 5492 5493 if (err_reg & SATA_ERROR_UNC) { 5494 sense->es_key = KEY_MEDIUM_ERROR; 5495 /* Information bytes (LBA) need to be set by a caller */ 5496 return; 5497 } 5498 5499 /* ADD HERE: MC error bit handling for ATAPI CD/DVD */ 5500 if (err_reg & (SATA_ERROR_MCR | SATA_ERROR_NM)) { 5501 sense->es_key = KEY_UNIT_ATTENTION; 5502 sense->es_add_code = 0x3a; /* No media present */ 5503 return; 5504 } 5505 5506 if (err_reg & SATA_ERROR_IDNF) { 5507 if (err_reg & SATA_ERROR_ABORT) { 5508 sense->es_key = KEY_ABORTED_COMMAND; 5509 } else { 5510 sense->es_key = KEY_ILLEGAL_REQUEST; 5511 sense->es_add_code = 0x21; /* LBA out of range */ 5512 } 5513 return; 5514 } 5515 5516 if (err_reg & SATA_ERROR_ABORT) { 5517 ASSERT(spx->txlt_sata_pkt != NULL); 5518 sense->es_key = KEY_ABORTED_COMMAND; 5519 return; 5520 } 5521 } 5522 5523 /* 5524 * Extract error LBA from sata_pkt.satapkt_cmd register fields 5525 */ 5526 static void 5527 sata_extract_error_lba(sata_pkt_txlate_t *spx, uint64_t *lba) 5528 { 5529 sata_cmd_t *sata_cmd = &spx->txlt_sata_pkt->satapkt_cmd; 5530 5531 *lba = 0; 5532 if (sata_cmd->satacmd_addr_type == ATA_ADDR_LBA48) { 5533 *lba = sata_cmd->satacmd_lba_high_msb; 5534 *lba = (*lba << 8) | sata_cmd->satacmd_lba_mid_msb; 5535 *lba = (*lba << 8) | sata_cmd->satacmd_lba_low_msb; 5536 } else if (sata_cmd->satacmd_addr_type == ATA_ADDR_LBA28) { 5537 *lba = sata_cmd->satacmd_device_reg & 0xf; 5538 } 5539 *lba = (*lba << 8) | sata_cmd->satacmd_lba_high_lsb; 5540 *lba = (*lba << 8) | sata_cmd->satacmd_lba_mid_lsb; 5541 *lba = (*lba << 8) | sata_cmd->satacmd_lba_low_lsb; 5542 } 5543 5544 /* 5545 * This is fixed sense format - if LBA exceeds the info field size, 5546 * no valid info will be returned (valid bit in extended sense will 5547 * be set to 0). 5548 */ 5549 static struct scsi_extended_sense * 5550 sata_arq_sense(sata_pkt_txlate_t *spx) 5551 { 5552 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5553 struct scsi_arq_status *arqs; 5554 struct scsi_extended_sense *sense; 5555 5556 /* Fill ARQ sense data */ 5557 scsipkt->pkt_state |= STATE_ARQ_DONE; 5558 arqs = (struct scsi_arq_status *)scsipkt->pkt_scbp; 5559 *(uchar_t *)&arqs->sts_status = STATUS_CHECK; 5560 *(uchar_t *)&arqs->sts_rqpkt_status = STATUS_GOOD; 5561 arqs->sts_rqpkt_reason = CMD_CMPLT; 5562 arqs->sts_rqpkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5563 STATE_XFERRED_DATA | STATE_SENT_CMD | STATE_GOT_STATUS; 5564 arqs->sts_rqpkt_resid = 0; 5565 sense = &arqs->sts_sensedata; 5566 bzero(sense, sizeof (struct scsi_extended_sense)); 5567 sata_fixed_sense_data_preset(sense); 5568 return (sense); 5569 } 5570 5571 5572 /* 5573 * Emulated SATA Read/Write command completion for zero-length requests. 5574 * This request always succedes, so in synchronous mode it always returns 5575 * TRAN_ACCEPT, and in non-synchronous mode it may return TRAN_BUSY if the 5576 * callback cannot be scheduled. 5577 */ 5578 static int 5579 sata_emul_rw_completion(sata_pkt_txlate_t *spx) 5580 { 5581 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5582 5583 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5584 STATE_SENT_CMD | STATE_GOT_STATUS; 5585 scsipkt->pkt_reason = CMD_CMPLT; 5586 *scsipkt->pkt_scbp = STATUS_GOOD; 5587 if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { 5588 /* scsi callback required - have to schedule it */ 5589 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 5590 (task_func_t *)scsipkt->pkt_comp, 5591 (void *)scsipkt, TQ_SLEEP) == NULL) 5592 /* Scheduling the callback failed */ 5593 return (TRAN_BUSY); 5594 } 5595 return (TRAN_ACCEPT); 5596 } 5597 5598 5599 /* 5600 * Translate completion status of SATA read/write commands into scsi response. 5601 * pkt completion_reason is checked to determine the completion status. 5602 * Do scsi callback if necessary. 5603 * 5604 * Note: this function may be called also for synchronously executed 5605 * commands. 5606 * This function may be used only if scsi_pkt is non-NULL. 5607 */ 5608 static void 5609 sata_txlt_rw_completion(sata_pkt_t *sata_pkt) 5610 { 5611 sata_pkt_txlate_t *spx = 5612 (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; 5613 sata_cmd_t *scmd = &sata_pkt->satapkt_cmd; 5614 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5615 struct scsi_extended_sense *sense; 5616 uint64_t lba; 5617 struct buf *bp; 5618 int rval; 5619 if (sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) { 5620 /* Normal completion */ 5621 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5622 STATE_SENT_CMD | STATE_XFERRED_DATA | STATE_GOT_STATUS; 5623 scsipkt->pkt_reason = CMD_CMPLT; 5624 *scsipkt->pkt_scbp = STATUS_GOOD; 5625 if (spx->txlt_tmp_buf != NULL) { 5626 /* Temporary buffer was used */ 5627 bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 5628 if (bp->b_flags & B_READ) { 5629 rval = ddi_dma_sync( 5630 spx->txlt_buf_dma_handle, 0, 0, 5631 DDI_DMA_SYNC_FORCPU); 5632 ASSERT(rval == DDI_SUCCESS); 5633 bcopy(spx->txlt_tmp_buf, bp->b_un.b_addr, 5634 bp->b_bcount); 5635 } 5636 } 5637 } else { 5638 /* 5639 * Something went wrong - analyze return 5640 */ 5641 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5642 STATE_SENT_CMD | STATE_GOT_STATUS; 5643 scsipkt->pkt_reason = CMD_INCOMPLETE; 5644 *scsipkt->pkt_scbp = STATUS_CHECK; 5645 sense = sata_arq_sense(spx); 5646 ASSERT(sense != NULL); 5647 5648 /* 5649 * SATA_PKT_DEV_ERROR is the only case where we may be able to 5650 * extract from device registers the failing LBA. 5651 */ 5652 if (sata_pkt->satapkt_reason == SATA_PKT_DEV_ERROR) { 5653 if ((scmd->satacmd_addr_type == ATA_ADDR_LBA48) && 5654 (scmd->satacmd_lba_mid_msb != 0 || 5655 scmd->satacmd_lba_high_msb != 0)) { 5656 /* 5657 * We have problem reporting this cmd LBA 5658 * in fixed sense data format, because of 5659 * the size of the scsi LBA fields. 5660 */ 5661 sense->es_valid = 0; 5662 } else { 5663 sata_extract_error_lba(spx, &lba); 5664 sense->es_info_1 = (lba & 0xFF000000) >> 24; 5665 sense->es_info_2 = (lba & 0xFF0000) >> 16; 5666 sense->es_info_3 = (lba & 0xFF00) >> 8; 5667 sense->es_info_4 = lba & 0xFF; 5668 } 5669 } else { 5670 /* Invalid extended sense info */ 5671 sense->es_valid = 0; 5672 } 5673 5674 switch (sata_pkt->satapkt_reason) { 5675 case SATA_PKT_PORT_ERROR: 5676 /* We may want to handle DEV GONE state as well */ 5677 /* 5678 * We have no device data. Assume no data transfered. 5679 */ 5680 sense->es_key = KEY_HARDWARE_ERROR; 5681 break; 5682 5683 case SATA_PKT_DEV_ERROR: 5684 if (sata_pkt->satapkt_cmd.satacmd_status_reg & 5685 SATA_STATUS_ERR) { 5686 /* 5687 * determine dev error reason from error 5688 * reg content 5689 */ 5690 sata_decode_device_error(spx, sense); 5691 if (sense->es_key == KEY_MEDIUM_ERROR) { 5692 switch (scmd->satacmd_cmd_reg) { 5693 case SATAC_READ_DMA: 5694 case SATAC_READ_DMA_EXT: 5695 case SATAC_READ_DMA_QUEUED: 5696 case SATAC_READ_DMA_QUEUED_EXT: 5697 case SATAC_READ_FPDMA_QUEUED: 5698 /* Unrecovered read error */ 5699 sense->es_add_code = 5700 SD_SCSI_ASC_UNREC_READ_ERR; 5701 break; 5702 case SATAC_WRITE_DMA: 5703 case SATAC_WRITE_DMA_EXT: 5704 case SATAC_WRITE_DMA_QUEUED: 5705 case SATAC_WRITE_DMA_QUEUED_EXT: 5706 case SATAC_WRITE_FPDMA_QUEUED: 5707 /* Write error */ 5708 sense->es_add_code = 5709 SD_SCSI_ASC_WRITE_ERR; 5710 break; 5711 default: 5712 /* Internal error */ 5713 SATA_LOG_D(( 5714 spx->txlt_sata_hba_inst, 5715 CE_WARN, 5716 "sata_txlt_rw_completion :" 5717 "internal error - invalid " 5718 "command 0x%2x", 5719 scmd->satacmd_cmd_reg)); 5720 break; 5721 } 5722 } 5723 break; 5724 } 5725 /* No extended sense key - no info available */ 5726 scsipkt->pkt_reason = CMD_INCOMPLETE; 5727 break; 5728 5729 case SATA_PKT_TIMEOUT: 5730 scsipkt->pkt_reason = CMD_TIMEOUT; 5731 scsipkt->pkt_statistics |= 5732 STAT_TIMEOUT | STAT_DEV_RESET; 5733 sense->es_key = KEY_ABORTED_COMMAND; 5734 break; 5735 5736 case SATA_PKT_ABORTED: 5737 scsipkt->pkt_reason = CMD_ABORTED; 5738 scsipkt->pkt_statistics |= STAT_ABORTED; 5739 sense->es_key = KEY_ABORTED_COMMAND; 5740 break; 5741 5742 case SATA_PKT_RESET: 5743 scsipkt->pkt_reason = CMD_RESET; 5744 scsipkt->pkt_statistics |= STAT_DEV_RESET; 5745 sense->es_key = KEY_ABORTED_COMMAND; 5746 break; 5747 5748 default: 5749 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 5750 "sata_txlt_rw_completion: " 5751 "invalid packet completion reason")); 5752 scsipkt->pkt_reason = CMD_TRAN_ERR; 5753 break; 5754 } 5755 } 5756 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5757 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 5758 5759 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 5760 scsipkt->pkt_comp != NULL) 5761 /* scsi callback required */ 5762 (*scsipkt->pkt_comp)(scsipkt); 5763 } 5764 5765 5766 /* 5767 * Translate completion status of non-data commands (i.e. commands returning 5768 * no data). 5769 * pkt completion_reason is checked to determine the completion status. 5770 * Do scsi callback if necessary (FLAG_NOINTR == 0) 5771 * 5772 * Note: this function may be called also for synchronously executed 5773 * commands. 5774 * This function may be used only if scsi_pkt is non-NULL. 5775 */ 5776 5777 static void 5778 sata_txlt_nodata_cmd_completion(sata_pkt_t *sata_pkt) 5779 { 5780 sata_pkt_txlate_t *spx = 5781 (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; 5782 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5783 struct scsi_extended_sense *sense; 5784 5785 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5786 STATE_SENT_CMD | STATE_GOT_STATUS; 5787 if (sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) { 5788 /* Normal completion */ 5789 scsipkt->pkt_reason = CMD_CMPLT; 5790 *scsipkt->pkt_scbp = STATUS_GOOD; 5791 } else { 5792 /* Something went wrong */ 5793 scsipkt->pkt_reason = CMD_INCOMPLETE; 5794 *scsipkt->pkt_scbp = STATUS_CHECK; 5795 sense = sata_arq_sense(spx); 5796 switch (sata_pkt->satapkt_reason) { 5797 case SATA_PKT_PORT_ERROR: 5798 /* 5799 * We have no device data. Assume no data transfered. 5800 */ 5801 sense->es_key = KEY_HARDWARE_ERROR; 5802 break; 5803 5804 case SATA_PKT_DEV_ERROR: 5805 if (sata_pkt->satapkt_cmd.satacmd_status_reg & 5806 SATA_STATUS_ERR) { 5807 /* 5808 * determine dev error reason from error 5809 * reg content 5810 */ 5811 sata_decode_device_error(spx, sense); 5812 break; 5813 } 5814 /* No extended sense key - no info available */ 5815 break; 5816 5817 case SATA_PKT_TIMEOUT: 5818 scsipkt->pkt_reason = CMD_TIMEOUT; 5819 scsipkt->pkt_statistics |= 5820 STAT_TIMEOUT | STAT_DEV_RESET; 5821 /* No extended sense key ? */ 5822 break; 5823 5824 case SATA_PKT_ABORTED: 5825 scsipkt->pkt_reason = CMD_ABORTED; 5826 scsipkt->pkt_statistics |= STAT_ABORTED; 5827 /* No extended sense key ? */ 5828 break; 5829 5830 case SATA_PKT_RESET: 5831 /* pkt aborted by an explicit reset from a host */ 5832 scsipkt->pkt_reason = CMD_RESET; 5833 scsipkt->pkt_statistics |= STAT_DEV_RESET; 5834 break; 5835 5836 default: 5837 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 5838 "sata_txlt_nodata_cmd_completion: " 5839 "invalid packet completion reason %d", 5840 sata_pkt->satapkt_reason)); 5841 scsipkt->pkt_reason = CMD_TRAN_ERR; 5842 break; 5843 } 5844 5845 } 5846 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5847 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 5848 5849 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 5850 scsipkt->pkt_comp != NULL) 5851 /* scsi callback required */ 5852 (*scsipkt->pkt_comp)(scsipkt); 5853 } 5854 5855 5856 /* 5857 * Build Mode sense R/W recovery page 5858 * NOT IMPLEMENTED 5859 */ 5860 5861 static int 5862 sata_build_msense_page_1(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) 5863 { 5864 #ifndef __lock_lint 5865 _NOTE(ARGUNUSED(sdinfo)) 5866 _NOTE(ARGUNUSED(pcntrl)) 5867 _NOTE(ARGUNUSED(buf)) 5868 #endif 5869 return (0); 5870 } 5871 5872 /* 5873 * Build Mode sense caching page - scsi-3 implementation. 5874 * Page length distinguishes previous format from scsi-3 format. 5875 * buf must have space for 0x12 bytes. 5876 * Only DRA (disable read ahead ) and WCE (write cache enable) are changeable. 5877 * 5878 */ 5879 static int 5880 sata_build_msense_page_8(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) 5881 { 5882 struct mode_cache_scsi3 *page = (struct mode_cache_scsi3 *)buf; 5883 sata_id_t *sata_id = &sdinfo->satadrv_id; 5884 5885 /* 5886 * Most of the fields are set to 0, being not supported and/or disabled 5887 */ 5888 bzero(buf, PAGELENGTH_DAD_MODE_CACHE_SCSI3); 5889 5890 /* Saved paramters not supported */ 5891 if (pcntrl == 3) 5892 return (0); 5893 if (pcntrl == 0 || pcntrl == 2) { 5894 /* 5895 * For now treat current and default parameters as same 5896 * That may have to change, if target driver will complain 5897 */ 5898 page->mode_page.code = MODEPAGE_CACHING; /* PS = 0 */ 5899 page->mode_page.length = PAGELENGTH_DAD_MODE_CACHE_SCSI3; 5900 5901 if ((sata_id->ai_cmdset82 & SATA_LOOK_AHEAD) && 5902 !(sata_id->ai_features85 & SATA_LOOK_AHEAD)) { 5903 page->dra = 1; /* Read Ahead disabled */ 5904 page->rcd = 1; /* Read Cache disabled */ 5905 } 5906 if ((sata_id->ai_cmdset82 & SATA_WRITE_CACHE) && 5907 (sata_id->ai_features85 & SATA_WRITE_CACHE)) 5908 page->wce = 1; /* Write Cache enabled */ 5909 } else { 5910 /* Changeable parameters */ 5911 page->mode_page.code = MODEPAGE_CACHING; 5912 page->mode_page.length = PAGELENGTH_DAD_MODE_CACHE_SCSI3; 5913 if (sata_id->ai_cmdset82 & SATA_LOOK_AHEAD) { 5914 page->dra = 1; 5915 page->rcd = 1; 5916 } 5917 if (sata_id->ai_cmdset82 & SATA_WRITE_CACHE) 5918 page->wce = 1; 5919 } 5920 return (PAGELENGTH_DAD_MODE_CACHE_SCSI3 + 5921 sizeof (struct mode_page)); 5922 } 5923 5924 /* 5925 * Build Mode sense exception cntrl page 5926 */ 5927 static int 5928 sata_build_msense_page_1c(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) 5929 { 5930 struct mode_info_excpt_page *page = (struct mode_info_excpt_page *)buf; 5931 sata_id_t *sata_id = &sdinfo->satadrv_id; 5932 5933 /* 5934 * Most of the fields are set to 0, being not supported and/or disabled 5935 */ 5936 bzero(buf, PAGELENGTH_INFO_EXCPT); 5937 5938 page->mode_page.code = MODEPAGE_INFO_EXCPT; 5939 page->mode_page.length = PAGELENGTH_INFO_EXCPT; 5940 5941 /* Indicate that this is page is saveable */ 5942 page->mode_page.ps = 1; 5943 5944 /* 5945 * We will return the same data for default, current and saved page. 5946 * The only changeable bit is dexcpt and that bit is required 5947 * by the ATA specification to be preserved across power cycles. 5948 */ 5949 if (pcntrl != 1) { 5950 page->dexcpt = !(sata_id->ai_features85 & SATA_SMART_SUPPORTED); 5951 page->mrie = MRIE_ONLY_ON_REQUEST; 5952 } 5953 else 5954 page->dexcpt = 1; /* Only changeable parameter */ 5955 5956 return (PAGELENGTH_INFO_EXCPT + sizeof (struct mode_info_excpt_page)); 5957 } 5958 5959 5960 static int 5961 sata_build_msense_page_30(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) 5962 { 5963 struct mode_acoustic_management *page = 5964 (struct mode_acoustic_management *)buf; 5965 sata_id_t *sata_id = &sdinfo->satadrv_id; 5966 5967 /* 5968 * Most of the fields are set to 0, being not supported and/or disabled 5969 */ 5970 bzero(buf, PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT); 5971 5972 switch (pcntrl) { 5973 case P_CNTRL_DEFAULT: 5974 /* default paramters not supported */ 5975 return (0); 5976 5977 case P_CNTRL_CURRENT: 5978 case P_CNTRL_SAVED: 5979 /* Saved and current are supported and are identical */ 5980 page->mode_page.code = MODEPAGE_ACOUSTIC_MANAG; 5981 page->mode_page.length = 5982 PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT; 5983 page->mode_page.ps = 1; 5984 5985 /* Word 83 indicates if feature is supported */ 5986 /* If feature is not supported */ 5987 if (!(sata_id->ai_cmdset83 & SATA_ACOUSTIC_MGMT)) { 5988 page->acoustic_manag_enable = 5989 ACOUSTIC_DISABLED; 5990 } else { 5991 page->acoustic_manag_enable = 5992 ((sata_id->ai_features86 & SATA_ACOUSTIC_MGMT) 5993 != 0); 5994 /* Word 94 inidicates the value */ 5995 #ifdef _LITTLE_ENDIAN 5996 page->acoustic_manag_level = 5997 (uchar_t)sata_id->ai_acoustic; 5998 page->vendor_recommended_value = 5999 sata_id->ai_acoustic >> 8; 6000 #else 6001 page->acoustic_manag_level = 6002 sata_id->ai_acoustic >> 8; 6003 page->vendor_recommended_value = 6004 (uchar_t)sata_id->ai_acoustic; 6005 #endif 6006 } 6007 break; 6008 6009 case P_CNTRL_CHANGEABLE: 6010 page->mode_page.code = MODEPAGE_ACOUSTIC_MANAG; 6011 page->mode_page.length = 6012 PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT; 6013 page->mode_page.ps = 1; 6014 6015 /* Word 83 indicates if the feature is supported */ 6016 if (sata_id->ai_cmdset83 & SATA_ACOUSTIC_MGMT) { 6017 page->acoustic_manag_enable = 6018 ACOUSTIC_ENABLED; 6019 page->acoustic_manag_level = 0xff; 6020 } 6021 break; 6022 } 6023 return (PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT + 6024 sizeof (struct mode_page)); 6025 } 6026 6027 6028 /* 6029 * Build Mode sense power condition page 6030 * NOT IMPLEMENTED. 6031 */ 6032 static int 6033 sata_build_msense_page_1a(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) 6034 { 6035 #ifndef __lock_lint 6036 _NOTE(ARGUNUSED(sdinfo)) 6037 _NOTE(ARGUNUSED(pcntrl)) 6038 _NOTE(ARGUNUSED(buf)) 6039 #endif 6040 return (0); 6041 } 6042 6043 6044 /* 6045 * Process mode select caching page 8 (scsi3 format only). 6046 * Read Ahead (same as read cache) and Write Cache may be turned on and off 6047 * if these features are supported by the device. If these features are not 6048 * supported, quietly ignore them. 6049 * This function fails only if the SET FEATURE command sent to 6050 * the device fails. The page format is not varified, assuming that the 6051 * target driver operates correctly - if parameters length is too short, 6052 * we just drop the page. 6053 * Two command may be sent if both Read Cache/Read Ahead and Write Cache 6054 * setting have to be changed. 6055 * SET FEATURE command is executed synchronously, i.e. we wait here until 6056 * it is completed, regardless of the scsi pkt directives. 6057 * 6058 * Note: Mode Select Caching page RCD and DRA bits are tied together, i.e. 6059 * changing DRA will change RCD. 6060 * 6061 * More than one SATA command may be executed to perform operations specified 6062 * by mode select pages. The first error terminates further execution. 6063 * Operations performed successully are not backed-up in such case. 6064 * 6065 * Return SATA_SUCCESS if operation succeeded, SATA_FAILURE otherwise. 6066 * If operation resulted in changing device setup, dmod flag should be set to 6067 * one (1). If parameters were not changed, dmod flag should be set to 0. 6068 * Upon return, if operation required sending command to the device, the rval 6069 * should be set to the value returned by sata_hba_start. If operation 6070 * did not require device access, rval should be set to TRAN_ACCEPT. 6071 * The pagelen should be set to the length of the page. 6072 * 6073 * This function has to be called with a port mutex held. 6074 * 6075 * Returns SATA_SUCCESS if operation was successful, SATA_FAILURE otherwise. 6076 */ 6077 int 6078 sata_mode_select_page_8(sata_pkt_txlate_t *spx, struct mode_cache_scsi3 *page, 6079 int parmlen, int *pagelen, int *rval, int *dmod) 6080 { 6081 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 6082 sata_drive_info_t *sdinfo; 6083 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 6084 sata_id_t *sata_id; 6085 struct scsi_extended_sense *sense; 6086 int wce, dra; /* Current settings */ 6087 6088 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 6089 &spx->txlt_sata_pkt->satapkt_device); 6090 sata_id = &sdinfo->satadrv_id; 6091 *dmod = 0; 6092 6093 /* Verify parameters length. If too short, drop it */ 6094 if (PAGELENGTH_DAD_MODE_CACHE_SCSI3 + 6095 sizeof (struct mode_page) < parmlen) { 6096 *scsipkt->pkt_scbp = STATUS_CHECK; 6097 sense = sata_arq_sense(spx); 6098 sense->es_key = KEY_ILLEGAL_REQUEST; 6099 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_PARAMS_LIST; 6100 *pagelen = parmlen; 6101 *rval = TRAN_ACCEPT; 6102 return (SATA_FAILURE); 6103 } 6104 6105 *pagelen = PAGELENGTH_DAD_MODE_CACHE_SCSI3 + sizeof (struct mode_page); 6106 6107 /* 6108 * We can manipulate only write cache and read ahead 6109 * (read cache) setting. 6110 */ 6111 if (!(sata_id->ai_cmdset82 & SATA_LOOK_AHEAD) && 6112 !(sata_id->ai_cmdset82 & SATA_WRITE_CACHE)) { 6113 /* 6114 * None of the features is supported - ignore 6115 */ 6116 *rval = TRAN_ACCEPT; 6117 return (SATA_SUCCESS); 6118 } 6119 6120 /* Current setting of Read Ahead (and Read Cache) */ 6121 if (sata_id->ai_features85 & SATA_LOOK_AHEAD) 6122 dra = 0; /* 0 == not disabled */ 6123 else 6124 dra = 1; 6125 /* Current setting of Write Cache */ 6126 if (sata_id->ai_features85 & SATA_WRITE_CACHE) 6127 wce = 1; 6128 else 6129 wce = 0; 6130 6131 if (page->dra == dra && page->wce == wce && page->rcd == dra) { 6132 /* nothing to do */ 6133 *rval = TRAN_ACCEPT; 6134 return (SATA_SUCCESS); 6135 } 6136 6137 /* 6138 * Need to flip some setting 6139 * Set-up Internal SET FEATURES command(s) 6140 */ 6141 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 6142 scmd->satacmd_addr_type = 0; 6143 scmd->satacmd_device_reg = 0; 6144 scmd->satacmd_status_reg = 0; 6145 scmd->satacmd_error_reg = 0; 6146 scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; 6147 if (page->dra != dra || page->rcd != dra) { 6148 /* Need to flip read ahead setting */ 6149 if (dra == 0) 6150 /* Disable read ahead / read cache */ 6151 scmd->satacmd_features_reg = 6152 SATAC_SF_DISABLE_READ_AHEAD; 6153 else 6154 /* Enable read ahead / read cache */ 6155 scmd->satacmd_features_reg = 6156 SATAC_SF_ENABLE_READ_AHEAD; 6157 6158 /* Transfer command to HBA */ 6159 if (sata_hba_start(spx, rval) != 0) 6160 /* 6161 * Pkt not accepted for execution. 6162 */ 6163 return (SATA_FAILURE); 6164 6165 *dmod = 1; 6166 6167 /* Now process return */ 6168 if (spx->txlt_sata_pkt->satapkt_reason != 6169 SATA_PKT_COMPLETED) { 6170 goto failure; /* Terminate */ 6171 } 6172 } 6173 6174 /* Note that the packet is not removed, so it could be re-used */ 6175 if (page->wce != wce) { 6176 /* Need to flip Write Cache setting */ 6177 if (page->wce == 1) 6178 /* Enable write cache */ 6179 scmd->satacmd_features_reg = 6180 SATAC_SF_ENABLE_WRITE_CACHE; 6181 else 6182 /* Disable write cache */ 6183 scmd->satacmd_features_reg = 6184 SATAC_SF_DISABLE_WRITE_CACHE; 6185 6186 /* Transfer command to HBA */ 6187 if (sata_hba_start(spx, rval) != 0) 6188 /* 6189 * Pkt not accepted for execution. 6190 */ 6191 return (SATA_FAILURE); 6192 6193 *dmod = 1; 6194 6195 /* Now process return */ 6196 if (spx->txlt_sata_pkt->satapkt_reason != 6197 SATA_PKT_COMPLETED) { 6198 goto failure; 6199 } 6200 } 6201 return (SATA_SUCCESS); 6202 6203 failure: 6204 sata_xlate_errors(spx); 6205 6206 return (SATA_FAILURE); 6207 } 6208 6209 /* 6210 * Process mode select informational exceptions control page 0x1c 6211 * 6212 * The only changeable bit is dexcpt (disable exceptions). 6213 * MRIE (method of reporting informational exceptions) must be 6214 * "only on request". 6215 * This page applies to informational exceptions that report 6216 * additional sense codes with the ADDITIONAL SENSE CODE field set to 5Dh 6217 * (e.g.,FAILURE PREDICTION THRESHOLD EXCEEDED) or 0Bh (e.g., WARNING_). 6218 * Informational exception conditions occur as the result of background scan 6219 * errors, background self-test errors, or vendor specific events within a 6220 * logical unit. An informational exception condition may occur asynchronous 6221 * to any commands. 6222 * 6223 * Returns: SATA_SUCCESS if operation succeeded, SATA_FAILURE otherwise. 6224 * If operation resulted in changing device setup, dmod flag should be set to 6225 * one (1). If parameters were not changed, dmod flag should be set to 0. 6226 * Upon return, if operation required sending command to the device, the rval 6227 * should be set to the value returned by sata_hba_start. If operation 6228 * did not require device access, rval should be set to TRAN_ACCEPT. 6229 * The pagelen should be set to the length of the page. 6230 * 6231 * This function has to be called with a port mutex held. 6232 * 6233 * Returns SATA_SUCCESS if operation was successful, SATA_FAILURE otherwise. 6234 * 6235 * Cannot be called in the interrupt context. 6236 */ 6237 static int 6238 sata_mode_select_page_1c( 6239 sata_pkt_txlate_t *spx, 6240 struct mode_info_excpt_page *page, 6241 int parmlen, 6242 int *pagelen, 6243 int *rval, 6244 int *dmod) 6245 { 6246 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 6247 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 6248 sata_drive_info_t *sdinfo; 6249 sata_id_t *sata_id; 6250 struct scsi_extended_sense *sense; 6251 6252 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 6253 &spx->txlt_sata_pkt->satapkt_device); 6254 sata_id = &sdinfo->satadrv_id; 6255 6256 *dmod = 0; 6257 6258 /* Verify parameters length. If too short, drop it */ 6259 if (((PAGELENGTH_INFO_EXCPT + sizeof (struct mode_page)) < parmlen) || 6260 page->perf || page->test || (page->mrie != MRIE_ONLY_ON_REQUEST)) { 6261 *scsipkt->pkt_scbp = STATUS_CHECK; 6262 sense = sata_arq_sense(spx); 6263 sense->es_key = KEY_ILLEGAL_REQUEST; 6264 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_PARAMS_LIST; 6265 *pagelen = parmlen; 6266 *rval = TRAN_ACCEPT; 6267 return (SATA_FAILURE); 6268 } 6269 6270 *pagelen = PAGELENGTH_INFO_EXCPT + sizeof (struct mode_page); 6271 6272 if (! (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED)) { 6273 *scsipkt->pkt_scbp = STATUS_CHECK; 6274 sense = sata_arq_sense(spx); 6275 sense->es_key = KEY_ILLEGAL_REQUEST; 6276 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; 6277 *pagelen = parmlen; 6278 *rval = TRAN_ACCEPT; 6279 return (SATA_FAILURE); 6280 } 6281 6282 /* If already in the state requested, we are done */ 6283 if (page->dexcpt == ! (sata_id->ai_features85 & SATA_SMART_ENABLED)) { 6284 /* nothing to do */ 6285 *rval = TRAN_ACCEPT; 6286 return (SATA_SUCCESS); 6287 } 6288 6289 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 6290 6291 /* Build SMART_ENABLE or SMART_DISABLE command */ 6292 scmd->satacmd_addr_type = 0; /* N/A */ 6293 scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; 6294 scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; 6295 scmd->satacmd_features_reg = page->dexcpt ? 6296 SATA_SMART_DISABLE_OPS : SATA_SMART_ENABLE_OPS; 6297 scmd->satacmd_device_reg = 0; /* Always device 0 */ 6298 scmd->satacmd_cmd_reg = SATAC_SMART; 6299 6300 /* Transfer command to HBA */ 6301 if (sata_hba_start(spx, rval) != 0) 6302 /* 6303 * Pkt not accepted for execution. 6304 */ 6305 return (SATA_FAILURE); 6306 6307 *dmod = 1; /* At least may have been modified */ 6308 6309 /* Now process return */ 6310 if (spx->txlt_sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) 6311 return (SATA_SUCCESS); 6312 6313 /* Packet did not complete successfully */ 6314 sata_xlate_errors(spx); 6315 6316 return (SATA_FAILURE); 6317 } 6318 6319 /* 6320 * Process mode select acoustic management control page 0x30 6321 * 6322 * 6323 * This function has to be called with a port mutex held. 6324 * 6325 * Returns SATA_SUCCESS if operation was successful, SATA_FAILURE otherwise. 6326 * 6327 * Cannot be called in the interrupt context. 6328 */ 6329 int 6330 sata_mode_select_page_30(sata_pkt_txlate_t *spx, struct 6331 mode_acoustic_management *page, int parmlen, int *pagelen, 6332 int *rval, int *dmod) 6333 { 6334 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 6335 sata_drive_info_t *sdinfo; 6336 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 6337 sata_id_t *sata_id; 6338 struct scsi_extended_sense *sense; 6339 6340 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 6341 &spx->txlt_sata_pkt->satapkt_device); 6342 sata_id = &sdinfo->satadrv_id; 6343 *dmod = 0; 6344 6345 /* If parmlen is too short or the feature is not supported, drop it */ 6346 if (((PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT + 6347 sizeof (struct mode_page)) < parmlen) || 6348 (! (sata_id->ai_cmdset83 & SATA_ACOUSTIC_MGMT))) { 6349 *scsipkt->pkt_scbp = STATUS_CHECK; 6350 sense = sata_arq_sense(spx); 6351 sense->es_key = KEY_ILLEGAL_REQUEST; 6352 sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_PARAMS_LIST; 6353 *pagelen = parmlen; 6354 *rval = TRAN_ACCEPT; 6355 return (SATA_FAILURE); 6356 } 6357 6358 *pagelen = PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT + 6359 sizeof (struct mode_page); 6360 6361 /* 6362 * We can enable and disable acoustice management and 6363 * set the acoustic management level. 6364 */ 6365 6366 /* 6367 * Set-up Internal SET FEATURES command(s) 6368 */ 6369 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 6370 scmd->satacmd_addr_type = 0; 6371 scmd->satacmd_device_reg = 0; 6372 scmd->satacmd_status_reg = 0; 6373 scmd->satacmd_error_reg = 0; 6374 scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; 6375 if (page->acoustic_manag_enable) { 6376 scmd->satacmd_features_reg = SATAC_SF_ENABLE_ACOUSTIC; 6377 scmd->satacmd_sec_count_lsb = page->acoustic_manag_level; 6378 } else { /* disabling acoustic management */ 6379 scmd->satacmd_features_reg = SATAC_SF_DISABLE_ACOUSTIC; 6380 } 6381 6382 /* Transfer command to HBA */ 6383 if (sata_hba_start(spx, rval) != 0) 6384 /* 6385 * Pkt not accepted for execution. 6386 */ 6387 return (SATA_FAILURE); 6388 6389 /* Now process return */ 6390 if (spx->txlt_sata_pkt->satapkt_reason != SATA_PKT_COMPLETED) { 6391 sata_xlate_errors(spx); 6392 return (SATA_FAILURE); 6393 } 6394 6395 *dmod = 1; 6396 6397 return (SATA_SUCCESS); 6398 } 6399 6400 6401 6402 6403 /* 6404 * sata_build_lsense_page0() is used to create the 6405 * SCSI LOG SENSE page 0 (supported log pages) 6406 * 6407 * Currently supported pages are 0, 0x10, 0x2f and 0x30 6408 * (supported log pages, self-test results, informational exceptions 6409 * and Sun vendor specific ATA SMART data). 6410 * 6411 * Takes a sata_drive_info t * and the address of a buffer 6412 * in which to create the page information. 6413 * 6414 * Returns the number of bytes valid in the buffer. 6415 */ 6416 static int 6417 sata_build_lsense_page_0(sata_drive_info_t *sdinfo, uint8_t *buf) 6418 { 6419 struct log_parameter *lpp = (struct log_parameter *)buf; 6420 uint8_t *page_ptr = (uint8_t *)lpp->param_values; 6421 int num_pages_supported = 1; /* Always have GET_SUPPORTED_LOG_PAGES */ 6422 sata_id_t *sata_id = &sdinfo->satadrv_id; 6423 6424 lpp->param_code[0] = 0; 6425 lpp->param_code[1] = 0; 6426 lpp->param_ctrl_flags = LOG_CTRL_LP | LOG_CTRL_LBIN; 6427 *page_ptr++ = PAGE_CODE_GET_SUPPORTED_LOG_PAGES; 6428 6429 if (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED) { 6430 if (sata_id->ai_cmdset84 & SATA_SMART_SELF_TEST_SUPPORTED) { 6431 *page_ptr++ = PAGE_CODE_SELF_TEST_RESULTS; 6432 ++num_pages_supported; 6433 } 6434 *page_ptr++ = PAGE_CODE_INFORMATION_EXCEPTIONS; 6435 ++num_pages_supported; 6436 *page_ptr++ = PAGE_CODE_SMART_READ_DATA; 6437 ++num_pages_supported; 6438 } 6439 6440 lpp->param_len = num_pages_supported; 6441 6442 return ((&lpp->param_values[0] - (uint8_t *)lpp) + 6443 num_pages_supported); 6444 } 6445 6446 /* 6447 * sata_build_lsense_page_10() is used to create the 6448 * SCSI LOG SENSE page 0x10 (self-test results) 6449 * 6450 * Takes a sata_drive_info t * and the address of a buffer 6451 * in which to create the page information as well as a sata_hba_inst_t *. 6452 * 6453 * Returns the number of bytes valid in the buffer. 6454 * 6455 * Note: Self test and SMART data is accessible in device log pages. 6456 * The log pages can be accessed by SMART READ/WRITE LOG (up to 255 sectors 6457 * of data can be transferred by a single command), or by the General Purpose 6458 * Logging commands (GPL) READ LOG EXT and WRITE LOG EXT (up to 65,535 sectors 6459 * - approximately 33MB - can be transferred by a single command. 6460 * The SCT Command response (either error or command) is the same for both 6461 * the SMART and GPL methods of issuing commands. 6462 * This function uses READ LOG EXT command when drive supports LBA48, and 6463 * SMART READ command otherwise. 6464 * 6465 * Since above commands are executed in a synchronous mode, this function 6466 * should not be called in an interrupt context. 6467 */ 6468 static int 6469 sata_build_lsense_page_10( 6470 sata_drive_info_t *sdinfo, 6471 uint8_t *buf, 6472 sata_hba_inst_t *sata_hba_inst) 6473 { 6474 struct log_parameter *lpp = (struct log_parameter *)buf; 6475 int rval; 6476 6477 if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) { 6478 struct smart_ext_selftest_log *ext_selftest_log; 6479 6480 ext_selftest_log = kmem_zalloc( 6481 sizeof (struct smart_ext_selftest_log), KM_SLEEP); 6482 6483 rval = sata_ext_smart_selftest_read_log(sata_hba_inst, sdinfo, 6484 ext_selftest_log, 0); 6485 if (rval == 0) { 6486 int index, start_index; 6487 struct smart_ext_selftest_log_entry *entry; 6488 static const struct smart_ext_selftest_log_entry empty = 6489 {0}; 6490 uint16_t block_num; 6491 int count; 6492 boolean_t only_one_block = B_FALSE; 6493 6494 index = ext_selftest_log-> 6495 smart_ext_selftest_log_index[0]; 6496 index |= ext_selftest_log-> 6497 smart_ext_selftest_log_index[1] << 8; 6498 if (index == 0) 6499 goto out; 6500 6501 --index; /* Correct for 0 origin */ 6502 start_index = index; /* remember where we started */ 6503 block_num = index / ENTRIES_PER_EXT_SELFTEST_LOG_BLK; 6504 if (block_num != 0) { 6505 rval = sata_ext_smart_selftest_read_log( 6506 sata_hba_inst, sdinfo, ext_selftest_log, 6507 block_num); 6508 if (rval != 0) 6509 goto out; 6510 } 6511 index %= ENTRIES_PER_EXT_SELFTEST_LOG_BLK; 6512 entry = 6513 &ext_selftest_log-> 6514 smart_ext_selftest_log_entries[index]; 6515 6516 for (count = 1; 6517 count <= SCSI_ENTRIES_IN_LOG_SENSE_SELFTEST_RESULTS; 6518 ++count) { 6519 uint8_t status; 6520 uint8_t code; 6521 uint8_t sense_key; 6522 uint8_t add_sense_code; 6523 uint8_t add_sense_code_qual; 6524 6525 /* If this is an unused entry, we are done */ 6526 if (bcmp(entry, &empty, sizeof (empty)) == 0) { 6527 /* Broken firmware on some disks */ 6528 if (index + 1 == 6529 ENTRIES_PER_EXT_SELFTEST_LOG_BLK) { 6530 --entry; 6531 --index; 6532 if (bcmp(entry, &empty, 6533 sizeof (empty)) == 0) 6534 goto out; 6535 } else 6536 goto out; 6537 } 6538 6539 if (only_one_block && 6540 start_index == index) 6541 goto out; 6542 6543 lpp->param_code[0] = 0; 6544 lpp->param_code[1] = count; 6545 lpp->param_ctrl_flags = 6546 LOG_CTRL_LP | LOG_CTRL_LBIN; 6547 lpp->param_len = 6548 SCSI_LOG_SENSE_SELFTEST_PARAM_LEN; 6549 6550 status = entry->smart_ext_selftest_log_status; 6551 status >>= 4; 6552 switch (status) { 6553 case 0: 6554 default: 6555 sense_key = KEY_NO_SENSE; 6556 add_sense_code = 6557 SD_SCSI_ASC_NO_ADD_SENSE; 6558 add_sense_code_qual = 0; 6559 break; 6560 case 1: 6561 sense_key = KEY_ABORTED_COMMAND; 6562 add_sense_code = 6563 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6564 add_sense_code_qual = SCSI_COMPONENT_81; 6565 break; 6566 case 2: 6567 sense_key = KEY_ABORTED_COMMAND; 6568 add_sense_code = 6569 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6570 add_sense_code_qual = SCSI_COMPONENT_82; 6571 break; 6572 case 3: 6573 sense_key = KEY_ABORTED_COMMAND; 6574 add_sense_code = 6575 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6576 add_sense_code_qual = SCSI_COMPONENT_83; 6577 break; 6578 case 4: 6579 sense_key = KEY_HARDWARE_ERROR; 6580 add_sense_code = 6581 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6582 add_sense_code_qual = SCSI_COMPONENT_84; 6583 break; 6584 case 5: 6585 sense_key = KEY_HARDWARE_ERROR; 6586 add_sense_code = 6587 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6588 add_sense_code_qual = SCSI_COMPONENT_85; 6589 break; 6590 case 6: 6591 sense_key = KEY_HARDWARE_ERROR; 6592 add_sense_code = 6593 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6594 add_sense_code_qual = SCSI_COMPONENT_86; 6595 break; 6596 case 7: 6597 sense_key = KEY_MEDIUM_ERROR; 6598 add_sense_code = 6599 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6600 add_sense_code_qual = SCSI_COMPONENT_87; 6601 break; 6602 case 8: 6603 sense_key = KEY_HARDWARE_ERROR; 6604 add_sense_code = 6605 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6606 add_sense_code_qual = SCSI_COMPONENT_88; 6607 break; 6608 } 6609 code = 0; /* unspecified */ 6610 status |= (code << 4); 6611 lpp->param_values[0] = status; 6612 lpp->param_values[1] = 0; /* unspecified */ 6613 lpp->param_values[2] = entry-> 6614 smart_ext_selftest_log_timestamp[1]; 6615 lpp->param_values[3] = entry-> 6616 smart_ext_selftest_log_timestamp[0]; 6617 if (status != 0) { 6618 lpp->param_values[4] = 0; 6619 lpp->param_values[5] = 0; 6620 lpp->param_values[6] = entry-> 6621 smart_ext_selftest_log_failing_lba 6622 [5]; 6623 lpp->param_values[7] = entry-> 6624 smart_ext_selftest_log_failing_lba 6625 [4]; 6626 lpp->param_values[8] = entry-> 6627 smart_ext_selftest_log_failing_lba 6628 [3]; 6629 lpp->param_values[9] = entry-> 6630 smart_ext_selftest_log_failing_lba 6631 [2]; 6632 lpp->param_values[10] = entry-> 6633 smart_ext_selftest_log_failing_lba 6634 [1]; 6635 lpp->param_values[11] = entry-> 6636 smart_ext_selftest_log_failing_lba 6637 [0]; 6638 } else { /* No bad block address */ 6639 lpp->param_values[4] = 0xff; 6640 lpp->param_values[5] = 0xff; 6641 lpp->param_values[6] = 0xff; 6642 lpp->param_values[7] = 0xff; 6643 lpp->param_values[8] = 0xff; 6644 lpp->param_values[9] = 0xff; 6645 lpp->param_values[10] = 0xff; 6646 lpp->param_values[11] = 0xff; 6647 } 6648 6649 lpp->param_values[12] = sense_key; 6650 lpp->param_values[13] = add_sense_code; 6651 lpp->param_values[14] = add_sense_code_qual; 6652 lpp->param_values[15] = 0; /* undefined */ 6653 6654 lpp = (struct log_parameter *) 6655 (((uint8_t *)lpp) + 6656 SCSI_LOG_PARAM_HDR_LEN + 6657 SCSI_LOG_SENSE_SELFTEST_PARAM_LEN); 6658 6659 --index; /* Back up to previous entry */ 6660 if (index < 0) { 6661 if (block_num > 0) { 6662 --block_num; 6663 } else { 6664 struct read_log_ext_directory 6665 logdir; 6666 6667 rval = 6668 sata_read_log_ext_directory( 6669 sata_hba_inst, sdinfo, 6670 &logdir); 6671 if (rval == -1) 6672 goto out; 6673 if ((logdir.read_log_ext_vers 6674 [0] == 0) && 6675 (logdir.read_log_ext_vers 6676 [1] == 0)) 6677 goto out; 6678 block_num = 6679 logdir.read_log_ext_nblks 6680 [EXT_SMART_SELFTEST_LOG_PAGE 6681 - 1][0]; 6682 block_num |= logdir. 6683 read_log_ext_nblks 6684 [EXT_SMART_SELFTEST_LOG_PAGE 6685 - 1][1] << 8; 6686 --block_num; 6687 only_one_block = 6688 (block_num == 0); 6689 } 6690 rval = sata_ext_smart_selftest_read_log( 6691 sata_hba_inst, sdinfo, 6692 ext_selftest_log, block_num); 6693 if (rval != 0) 6694 goto out; 6695 6696 index = 6697 ENTRIES_PER_EXT_SELFTEST_LOG_BLK - 6698 1; 6699 } 6700 index %= ENTRIES_PER_EXT_SELFTEST_LOG_BLK; 6701 entry = &ext_selftest_log-> 6702 smart_ext_selftest_log_entries[index]; 6703 } 6704 } 6705 out: 6706 kmem_free(ext_selftest_log, 6707 sizeof (struct smart_ext_selftest_log)); 6708 } else { 6709 struct smart_selftest_log *selftest_log; 6710 6711 selftest_log = kmem_zalloc(sizeof (struct smart_selftest_log), 6712 KM_SLEEP); 6713 6714 rval = sata_smart_selftest_log(sata_hba_inst, sdinfo, 6715 selftest_log); 6716 6717 if (rval == 0) { 6718 int index; 6719 int count; 6720 struct smart_selftest_log_entry *entry; 6721 static const struct smart_selftest_log_entry empty = 6722 { 0 }; 6723 6724 index = selftest_log->smart_selftest_log_index; 6725 if (index == 0) 6726 goto done; 6727 --index; /* Correct for 0 origin */ 6728 entry = &selftest_log-> 6729 smart_selftest_log_entries[index]; 6730 for (count = 1; 6731 count <= SCSI_ENTRIES_IN_LOG_SENSE_SELFTEST_RESULTS; 6732 ++count) { 6733 uint8_t status; 6734 uint8_t code; 6735 uint8_t sense_key; 6736 uint8_t add_sense_code; 6737 uint8_t add_sense_code_qual; 6738 6739 if (bcmp(entry, &empty, sizeof (empty)) == 0) 6740 goto done; 6741 6742 lpp->param_code[0] = 0; 6743 lpp->param_code[1] = count; 6744 lpp->param_ctrl_flags = 6745 LOG_CTRL_LP | LOG_CTRL_LBIN; 6746 lpp->param_len = 6747 SCSI_LOG_SENSE_SELFTEST_PARAM_LEN; 6748 6749 status = entry->smart_selftest_log_status; 6750 status >>= 4; 6751 switch (status) { 6752 case 0: 6753 default: 6754 sense_key = KEY_NO_SENSE; 6755 add_sense_code = 6756 SD_SCSI_ASC_NO_ADD_SENSE; 6757 break; 6758 case 1: 6759 sense_key = KEY_ABORTED_COMMAND; 6760 add_sense_code = 6761 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6762 add_sense_code_qual = SCSI_COMPONENT_81; 6763 break; 6764 case 2: 6765 sense_key = KEY_ABORTED_COMMAND; 6766 add_sense_code = 6767 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6768 add_sense_code_qual = SCSI_COMPONENT_82; 6769 break; 6770 case 3: 6771 sense_key = KEY_ABORTED_COMMAND; 6772 add_sense_code = 6773 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6774 add_sense_code_qual = SCSI_COMPONENT_83; 6775 break; 6776 case 4: 6777 sense_key = KEY_HARDWARE_ERROR; 6778 add_sense_code = 6779 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6780 add_sense_code_qual = SCSI_COMPONENT_84; 6781 break; 6782 case 5: 6783 sense_key = KEY_HARDWARE_ERROR; 6784 add_sense_code = 6785 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6786 add_sense_code_qual = SCSI_COMPONENT_85; 6787 break; 6788 case 6: 6789 sense_key = KEY_HARDWARE_ERROR; 6790 add_sense_code = 6791 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6792 add_sense_code_qual = SCSI_COMPONENT_86; 6793 break; 6794 case 7: 6795 sense_key = KEY_MEDIUM_ERROR; 6796 add_sense_code = 6797 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6798 add_sense_code_qual = SCSI_COMPONENT_87; 6799 break; 6800 case 8: 6801 sense_key = KEY_HARDWARE_ERROR; 6802 add_sense_code = 6803 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6804 add_sense_code_qual = SCSI_COMPONENT_88; 6805 break; 6806 } 6807 code = 0; /* unspecified */ 6808 status |= (code << 4); 6809 lpp->param_values[0] = status; 6810 lpp->param_values[1] = 0; /* unspecified */ 6811 lpp->param_values[2] = entry-> 6812 smart_selftest_log_timestamp[1]; 6813 lpp->param_values[3] = entry-> 6814 smart_selftest_log_timestamp[0]; 6815 if (status != 0) { 6816 lpp->param_values[4] = 0; 6817 lpp->param_values[5] = 0; 6818 lpp->param_values[6] = 0; 6819 lpp->param_values[7] = 0; 6820 lpp->param_values[8] = entry-> 6821 smart_selftest_log_failing_lba[3]; 6822 lpp->param_values[9] = entry-> 6823 smart_selftest_log_failing_lba[2]; 6824 lpp->param_values[10] = entry-> 6825 smart_selftest_log_failing_lba[1]; 6826 lpp->param_values[11] = entry-> 6827 smart_selftest_log_failing_lba[0]; 6828 } else { /* No block address */ 6829 lpp->param_values[4] = 0xff; 6830 lpp->param_values[5] = 0xff; 6831 lpp->param_values[6] = 0xff; 6832 lpp->param_values[7] = 0xff; 6833 lpp->param_values[8] = 0xff; 6834 lpp->param_values[9] = 0xff; 6835 lpp->param_values[10] = 0xff; 6836 lpp->param_values[11] = 0xff; 6837 } 6838 lpp->param_values[12] = sense_key; 6839 lpp->param_values[13] = add_sense_code; 6840 lpp->param_values[14] = add_sense_code_qual; 6841 lpp->param_values[15] = 0; /* undefined */ 6842 6843 lpp = (struct log_parameter *) 6844 (((uint8_t *)lpp) + 6845 SCSI_LOG_PARAM_HDR_LEN + 6846 SCSI_LOG_SENSE_SELFTEST_PARAM_LEN); 6847 --index; /* back up to previous entry */ 6848 if (index < 0) { 6849 index = 6850 NUM_SMART_SELFTEST_LOG_ENTRIES - 1; 6851 } 6852 entry = &selftest_log-> 6853 smart_selftest_log_entries[index]; 6854 } 6855 } 6856 done: 6857 kmem_free(selftest_log, sizeof (struct smart_selftest_log)); 6858 } 6859 6860 return ((SCSI_LOG_PARAM_HDR_LEN + SCSI_LOG_SENSE_SELFTEST_PARAM_LEN) * 6861 SCSI_ENTRIES_IN_LOG_SENSE_SELFTEST_RESULTS); 6862 } 6863 6864 /* 6865 * sata_build_lsense_page_2f() is used to create the 6866 * SCSI LOG SENSE page 0x2f (informational exceptions) 6867 * 6868 * Takes a sata_drive_info t * and the address of a buffer 6869 * in which to create the page information as well as a sata_hba_inst_t *. 6870 * 6871 * Returns the number of bytes valid in the buffer. 6872 * 6873 * Because it invokes function(s) that send synchronously executed command 6874 * to the HBA, it cannot be called in the interrupt context. 6875 */ 6876 static int 6877 sata_build_lsense_page_2f( 6878 sata_drive_info_t *sdinfo, 6879 uint8_t *buf, 6880 sata_hba_inst_t *sata_hba_inst) 6881 { 6882 struct log_parameter *lpp = (struct log_parameter *)buf; 6883 int rval; 6884 uint8_t *smart_data; 6885 uint8_t temp; 6886 sata_id_t *sata_id; 6887 #define SMART_NO_TEMP 0xff 6888 6889 lpp->param_code[0] = 0; 6890 lpp->param_code[1] = 0; 6891 lpp->param_ctrl_flags = LOG_CTRL_LP | LOG_CTRL_LBIN; 6892 6893 /* Now get the SMART status w.r.t. threshold exceeded */ 6894 rval = sata_fetch_smart_return_status(sata_hba_inst, sdinfo); 6895 switch (rval) { 6896 case 1: 6897 lpp->param_values[0] = SCSI_PREDICTED_FAILURE; 6898 lpp->param_values[1] = SCSI_GENERAL_HD_FAILURE; 6899 break; 6900 case 0: 6901 case -1: /* failed to get data */ 6902 lpp->param_values[0] = 0; /* No failure predicted */ 6903 lpp->param_values[1] = 0; 6904 break; 6905 #if defined(SATA_DEBUG) 6906 default: 6907 cmn_err(CE_PANIC, "sata_build_lsense_page_2f bad return value"); 6908 /* NOTREACHED */ 6909 #endif 6910 } 6911 6912 sata_id = &sdinfo->satadrv_id; 6913 if (! (sata_id->ai_sctsupport & SATA_SCT_CMD_TRANS_SUP)) 6914 temp = SMART_NO_TEMP; 6915 else { 6916 /* Now get the temperature */ 6917 smart_data = kmem_zalloc(512, KM_SLEEP); 6918 rval = sata_smart_read_log(sata_hba_inst, sdinfo, smart_data, 6919 SCT_STATUS_LOG_PAGE, 1); 6920 if (rval == -1) 6921 temp = SMART_NO_TEMP; 6922 else { 6923 temp = smart_data[200]; 6924 if (temp & 0x80) { 6925 if (temp & 0x7f) 6926 temp = 0; 6927 else 6928 temp = SMART_NO_TEMP; 6929 } 6930 } 6931 kmem_free(smart_data, 512); 6932 } 6933 6934 lpp->param_values[2] = temp; /* most recent temperature */ 6935 lpp->param_values[3] = 0; /* required vendor specific byte */ 6936 6937 lpp->param_len = SCSI_INFO_EXCEPTIONS_PARAM_LEN; 6938 6939 6940 return (SCSI_INFO_EXCEPTIONS_PARAM_LEN + SCSI_LOG_PARAM_HDR_LEN); 6941 } 6942 6943 /* 6944 * sata_build_lsense_page_30() is used to create the 6945 * SCSI LOG SENSE page 0x30 (Sun's vendor specific page for ATA SMART data). 6946 * 6947 * Takes a sata_drive_info t * and the address of a buffer 6948 * in which to create the page information as well as a sata_hba_inst_t *. 6949 * 6950 * Returns the number of bytes valid in the buffer. 6951 */ 6952 static int 6953 sata_build_lsense_page_30( 6954 sata_drive_info_t *sdinfo, 6955 uint8_t *buf, 6956 sata_hba_inst_t *sata_hba_inst) 6957 { 6958 struct smart_data *smart_data = (struct smart_data *)buf; 6959 int rval; 6960 6961 /* Now do the SMART READ DATA */ 6962 rval = sata_fetch_smart_data(sata_hba_inst, sdinfo, smart_data); 6963 if (rval == -1) 6964 return (0); 6965 6966 return (sizeof (struct smart_data)); 6967 } 6968 6969 /* ************************** ATAPI-SPECIFIC FUNCTIONS ********************** */ 6970 6971 /* 6972 * Start command for ATAPI device. 6973 * This function processes scsi_pkt requests. 6974 * Only CD/DVD devices are supported. 6975 * Most commands are packet without any translation into Packet Command. 6976 * Some may be trapped and executed as SATA commands (not clear which one). 6977 * 6978 * Returns TRAN_ACCEPT if command is accepted for execution (or completed 6979 * execution). 6980 * Returns other TRAN_XXXX codes if command is not accepted or completed 6981 * (see return values for sata_hba_start()). 6982 * 6983 * Note: 6984 * Inquiry cdb format differs between transport version 2 and 3. 6985 * However, the transport version 3 devices that were checked did not adhere 6986 * to the specification (ignored MSB of the allocation length). Therefore, 6987 * the transport version is not checked, but Inquiry allocation length is 6988 * truncated to 255 bytes if the original allocation length set-up by the 6989 * target driver is greater than 255 bytes. 6990 */ 6991 static int 6992 sata_txlt_atapi(sata_pkt_txlate_t *spx) 6993 { 6994 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 6995 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 6996 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 6997 sata_hba_inst_t *sata_hba = SATA_TXLT_HBA_INST(spx); 6998 sata_drive_info_t *sdinfo = sata_get_device_info(sata_hba, 6999 &spx->txlt_sata_pkt->satapkt_device); 7000 int cport = SATA_TXLT_CPORT(spx); 7001 int cdblen; 7002 int rval, reason; 7003 int synch; 7004 union scsi_cdb *cdbp = (union scsi_cdb *)scsipkt->pkt_cdbp; 7005 7006 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 7007 7008 if (((rval = sata_txlt_generic_pkt_info(spx, &reason)) != 7009 TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { 7010 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 7011 return (rval); 7012 } 7013 7014 /* 7015 * ATAPI device executes some ATA commands in addition to MMC command 7016 * set. These ATA commands may be executed by the regular SATA 7017 * translation functions. None needs to be captured now. 7018 * Other commands belong to MMC command set and are delivered 7019 * to ATAPI device via Packet Command. 7020 */ 7021 7022 /* Check the size of cdb */ 7023 cdblen = scsi_cdb_size[GETGROUP(cdbp)]; 7024 if (cdblen > sdinfo->satadrv_atapi_cdb_len) { 7025 sata_log(NULL, CE_WARN, 7026 "sata: invalid ATAPI cdb length %d", 7027 scsipkt->pkt_cdblen); 7028 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 7029 return (TRAN_BADPKT); 7030 } 7031 7032 SATAATAPITRACE(spx, cdblen); 7033 7034 /* 7035 * For non-read/write commands we need to 7036 * map buffer 7037 */ 7038 switch ((uint_t)scsipkt->pkt_cdbp[0]) { 7039 case SCMD_READ: 7040 case SCMD_READ_G1: 7041 case SCMD_READ_G5: 7042 case SCMD_READ_G4: 7043 case SCMD_WRITE: 7044 case SCMD_WRITE_G1: 7045 case SCMD_WRITE_G5: 7046 case SCMD_WRITE_G4: 7047 break; 7048 default: 7049 if (bp != NULL) { 7050 if (bp->b_flags & (B_PHYS | B_PAGEIO)) 7051 bp_mapin(bp); 7052 } 7053 break; 7054 } 7055 /* 7056 * scmd->satacmd_flags.sata_data_direction default - 7057 * SATA_DIR_NODATA_XFER - is set by 7058 * sata_txlt_generic_pkt_info(). 7059 */ 7060 if (scmd->satacmd_bp) { 7061 if (scmd->satacmd_bp->b_flags & B_READ) { 7062 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 7063 } else { 7064 scmd->satacmd_flags.sata_data_direction = 7065 SATA_DIR_WRITE; 7066 } 7067 } 7068 7069 /* 7070 * Set up ATAPI packet command. 7071 */ 7072 7073 sata_atapi_packet_cmd_setup(scmd, sdinfo); 7074 7075 /* Copy cdb into sata_cmd */ 7076 scmd->satacmd_acdb_len = sdinfo->satadrv_atapi_cdb_len; 7077 bzero(scmd->satacmd_acdb, SATA_ATAPI_MAX_CDB_LEN); 7078 bcopy(cdbp, scmd->satacmd_acdb, cdblen); 7079 7080 /* See note in the command header */ 7081 if (scmd->satacmd_acdb[0] == SCMD_INQUIRY) { 7082 if (scmd->satacmd_acdb[3] != 0) 7083 scmd->satacmd_acdb[4] = 255; 7084 } 7085 7086 #ifdef SATA_DEBUG 7087 if (sata_debug_flags & SATA_DBG_ATAPI) { 7088 uint8_t *p = scmd->satacmd_acdb; 7089 char buf[3 * SATA_ATAPI_MAX_CDB_LEN]; 7090 7091 (void) snprintf(buf, SATA_ATAPI_MAX_CDB_LEN, 7092 "%02x %02x %02x %02x %02x %02x %02x %02x " 7093 "%2x %02x %02x %02x %02x %02x %02x %02x", 7094 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], 7095 p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]); 7096 buf[(3 * SATA_ATAPI_MAX_CDB_LEN) - 1] = '\0'; 7097 cmn_err(CE_NOTE, "ATAPI cdb: %s\n", buf); 7098 } 7099 #endif 7100 7101 /* 7102 * Preset request sense data to NO SENSE. 7103 * If there is no way to get error information via Request Sense, 7104 * the packet request sense data would not have to be modified by HBA, 7105 * but it could be returned as is. 7106 */ 7107 bzero(scmd->satacmd_rqsense, SATA_ATAPI_RQSENSE_LEN); 7108 sata_fixed_sense_data_preset( 7109 (struct scsi_extended_sense *)scmd->satacmd_rqsense); 7110 7111 if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { 7112 /* Need callback function */ 7113 spx->txlt_sata_pkt->satapkt_comp = sata_txlt_atapi_completion; 7114 synch = FALSE; 7115 } else 7116 synch = TRUE; 7117 7118 /* Transfer command to HBA */ 7119 if (sata_hba_start(spx, &rval) != 0) { 7120 /* Pkt not accepted for execution */ 7121 mutex_exit(&SATA_CPORT_MUTEX(sata_hba, cport)); 7122 return (rval); 7123 } 7124 mutex_exit(&SATA_CPORT_MUTEX(sata_hba, cport)); 7125 /* 7126 * If execution is non-synchronous, 7127 * a callback function will handle potential errors, translate 7128 * the response and will do a callback to a target driver. 7129 * If it was synchronous, use the same framework callback to check 7130 * an execution status. 7131 */ 7132 if (synch) { 7133 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 7134 "synchronous execution status %x\n", 7135 spx->txlt_sata_pkt->satapkt_reason); 7136 sata_txlt_atapi_completion(spx->txlt_sata_pkt); 7137 } 7138 return (TRAN_ACCEPT); 7139 } 7140 7141 7142 /* 7143 * ATAPI Packet command completion. 7144 * 7145 * Failure of the command passed via Packet command are considered device 7146 * error. SATA HBA driver would have to retrieve error data (via Request 7147 * Sense command delivered via error retrieval sata packet) and copy it 7148 * to satacmd_rqsense array. From there, it is moved into scsi pkt sense data. 7149 */ 7150 static void 7151 sata_txlt_atapi_completion(sata_pkt_t *sata_pkt) 7152 { 7153 sata_pkt_txlate_t *spx = 7154 (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; 7155 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 7156 struct scsi_extended_sense *sense; 7157 struct buf *bp; 7158 int rval; 7159 7160 #ifdef SATA_DEBUG 7161 uint8_t *rqsp = sata_pkt->satapkt_cmd.satacmd_rqsense; 7162 #endif 7163 7164 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 7165 STATE_SENT_CMD | STATE_GOT_STATUS; 7166 7167 if (sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) { 7168 /* Normal completion */ 7169 if (sata_pkt->satapkt_cmd.satacmd_bp != NULL) 7170 scsipkt->pkt_state |= STATE_XFERRED_DATA; 7171 scsipkt->pkt_reason = CMD_CMPLT; 7172 *scsipkt->pkt_scbp = STATUS_GOOD; 7173 if (spx->txlt_tmp_buf != NULL) { 7174 /* Temporary buffer was used */ 7175 bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 7176 if (bp->b_flags & B_READ) { 7177 rval = ddi_dma_sync( 7178 spx->txlt_buf_dma_handle, 0, 0, 7179 DDI_DMA_SYNC_FORCPU); 7180 ASSERT(rval == DDI_SUCCESS); 7181 bcopy(spx->txlt_tmp_buf, bp->b_un.b_addr, 7182 bp->b_bcount); 7183 } 7184 } 7185 } else { 7186 /* 7187 * Something went wrong - analyze return 7188 */ 7189 *scsipkt->pkt_scbp = STATUS_CHECK; 7190 sense = sata_arq_sense(spx); 7191 7192 if (sata_pkt->satapkt_reason == SATA_PKT_DEV_ERROR) { 7193 scsipkt->pkt_reason = CMD_INCOMPLETE; 7194 /* 7195 * We may not have ARQ data if there was a double 7196 * error. But sense data in sata packet was pre-set 7197 * with NO SENSE so it is valid even if HBA could 7198 * not retrieve a real sense data. 7199 * Just copy this sense data into scsi pkt sense area. 7200 */ 7201 bcopy(sata_pkt->satapkt_cmd.satacmd_rqsense, sense, 7202 SATA_ATAPI_MIN_RQSENSE_LEN); 7203 #ifdef SATA_DEBUG 7204 if (sata_debug_flags & SATA_DBG_SCSI_IF) { 7205 sata_log(spx->txlt_sata_hba_inst, CE_WARN, 7206 "sata_txlt_atapi_completion: %02x\n" 7207 "RQSENSE: %02x %02x %02x %02x %02x %02x " 7208 " %02x %02x %02x %02x %02x %02x " 7209 " %02x %02x %02x %02x %02x %02x\n", 7210 scsipkt->pkt_reason, 7211 rqsp[0], rqsp[1], rqsp[2], rqsp[3], 7212 rqsp[4], rqsp[5], rqsp[6], rqsp[7], 7213 rqsp[8], rqsp[9], rqsp[10], rqsp[11], 7214 rqsp[12], rqsp[13], rqsp[14], rqsp[15], 7215 rqsp[16], rqsp[17]); 7216 } 7217 #endif 7218 } else { 7219 switch (sata_pkt->satapkt_reason) { 7220 case SATA_PKT_PORT_ERROR: 7221 /* 7222 * We have no device data. 7223 */ 7224 scsipkt->pkt_reason = CMD_INCOMPLETE; 7225 scsipkt->pkt_state &= ~(STATE_GOT_BUS | 7226 STATE_GOT_TARGET | STATE_SENT_CMD | 7227 STATE_GOT_STATUS); 7228 sense->es_key = KEY_HARDWARE_ERROR; 7229 break; 7230 7231 case SATA_PKT_TIMEOUT: 7232 scsipkt->pkt_reason = CMD_TIMEOUT; 7233 scsipkt->pkt_statistics |= 7234 STAT_TIMEOUT | STAT_DEV_RESET; 7235 /* 7236 * Need to check if HARDWARE_ERROR/ 7237 * TIMEOUT_ON_LOGICAL_UNIT 4/3E/2 would be more 7238 * appropriate. 7239 */ 7240 break; 7241 7242 case SATA_PKT_ABORTED: 7243 scsipkt->pkt_reason = CMD_ABORTED; 7244 scsipkt->pkt_statistics |= STAT_ABORTED; 7245 /* Should we set key COMMAND_ABPRTED? */ 7246 break; 7247 7248 case SATA_PKT_RESET: 7249 scsipkt->pkt_reason = CMD_RESET; 7250 scsipkt->pkt_statistics |= STAT_DEV_RESET; 7251 /* 7252 * May be we should set Unit Attention / 7253 * Reset. Perhaps the same should be 7254 * returned for disks.... 7255 */ 7256 sense->es_key = KEY_UNIT_ATTENTION; 7257 sense->es_add_code = SD_SCSI_ASC_RESET; 7258 break; 7259 7260 default: 7261 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 7262 "sata_txlt_atapi_completion: " 7263 "invalid packet completion reason")); 7264 scsipkt->pkt_reason = CMD_TRAN_ERR; 7265 scsipkt->pkt_state &= ~(STATE_GOT_BUS | 7266 STATE_GOT_TARGET | STATE_SENT_CMD | 7267 STATE_GOT_STATUS); 7268 break; 7269 } 7270 } 7271 } 7272 7273 SATAATAPITRACE(spx, 0); 7274 7275 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 7276 scsipkt->pkt_comp != NULL) { 7277 /* scsi callback required */ 7278 (*scsipkt->pkt_comp)(scsipkt); 7279 } 7280 } 7281 7282 /* 7283 * Set up error retrieval sata command for ATAPI Packet Command error data 7284 * recovery. 7285 * 7286 * Returns SATA_SUCCESS when data buffer is allocated and packet set-up, 7287 * returns SATA_FAILURE otherwise. 7288 */ 7289 7290 static int 7291 sata_atapi_err_ret_cmd_setup(sata_pkt_txlate_t *spx, sata_drive_info_t *sdinfo) 7292 { 7293 sata_pkt_t *spkt = spx->txlt_sata_pkt; 7294 sata_cmd_t *scmd; 7295 struct buf *bp; 7296 7297 /* 7298 * Allocate dma-able buffer error data. 7299 * Buffer allocation will take care of buffer alignment and other DMA 7300 * attributes. 7301 */ 7302 bp = sata_alloc_local_buffer(spx, SATA_ATAPI_MIN_RQSENSE_LEN); 7303 if (bp == NULL) { 7304 SATADBG1(SATA_DBG_ATAPI, spx->txlt_sata_hba_inst, 7305 "sata_get_err_retrieval_pkt: " 7306 "cannot allocate buffer for error data", NULL); 7307 return (SATA_FAILURE); 7308 } 7309 bp_mapin(bp); /* make data buffer accessible */ 7310 7311 /* Operation modes are up to the caller */ 7312 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 7313 7314 /* Synchronous mode, no callback - may be changed by the caller */ 7315 spkt->satapkt_comp = NULL; 7316 spkt->satapkt_time = sata_default_pkt_time; 7317 7318 scmd = &spkt->satapkt_cmd; 7319 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 7320 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 7321 7322 sata_atapi_packet_cmd_setup(scmd, sdinfo); 7323 7324 /* 7325 * Set-up acdb. Request Sense CDB (packet command content) is 7326 * not in DMA-able buffer. Its handling is HBA-specific (how 7327 * it is transfered into packet FIS). 7328 */ 7329 scmd->satacmd_acdb_len = sdinfo->satadrv_atapi_cdb_len; 7330 bcopy(sata_rqsense_cdb, scmd->satacmd_acdb, SATA_ATAPI_RQSENSE_CDB_LEN); 7331 /* Following zeroing of pad bytes may not be necessary */ 7332 bzero(&scmd->satacmd_acdb[SATA_ATAPI_RQSENSE_CDB_LEN], 7333 sdinfo->satadrv_atapi_cdb_len - SATA_ATAPI_RQSENSE_CDB_LEN); 7334 7335 /* 7336 * Set-up pointer to the buffer handle, so HBA can sync buffer 7337 * before accessing it. Handle is in usual place in translate struct. 7338 */ 7339 scmd->satacmd_err_ret_buf_handle = &spx->txlt_buf_dma_handle; 7340 7341 /* 7342 * Preset request sense data to NO SENSE. 7343 * Here it is redundant, only for a symetry with scsi-originated 7344 * packets. It should not be used for anything but debugging. 7345 */ 7346 bzero(scmd->satacmd_rqsense, SATA_ATAPI_RQSENSE_LEN); 7347 sata_fixed_sense_data_preset( 7348 (struct scsi_extended_sense *)scmd->satacmd_rqsense); 7349 7350 ASSERT(scmd->satacmd_num_dma_cookies != 0); 7351 ASSERT(scmd->satacmd_dma_cookie_list != NULL); 7352 7353 return (SATA_SUCCESS); 7354 } 7355 7356 /* 7357 * Set-up ATAPI packet command. 7358 * Data transfer direction has to be set-up in sata_cmd structure prior to 7359 * calling this function. 7360 * 7361 * Returns void 7362 */ 7363 7364 static void 7365 sata_atapi_packet_cmd_setup(sata_cmd_t *scmd, sata_drive_info_t *sdinfo) 7366 { 7367 scmd->satacmd_addr_type = 0; /* N/A */ 7368 scmd->satacmd_sec_count_lsb = 0; /* no tag */ 7369 scmd->satacmd_lba_low_lsb = 0; /* N/A */ 7370 scmd->satacmd_lba_mid_lsb = (uint8_t)SATA_ATAPI_MAX_BYTES_PER_DRQ; 7371 scmd->satacmd_lba_high_lsb = 7372 (uint8_t)(SATA_ATAPI_MAX_BYTES_PER_DRQ >> 8); 7373 scmd->satacmd_cmd_reg = SATAC_PACKET; /* Command */ 7374 7375 /* 7376 * We want all data to be transfered via DMA. 7377 * But specify it only if drive supports DMA and DMA mode is 7378 * selected - some drives are sensitive about it. 7379 * Hopefully it wil work for all drives.... 7380 */ 7381 if (sdinfo->satadrv_settings & SATA_DEV_DMA) 7382 scmd->satacmd_features_reg = SATA_ATAPI_F_DMA; 7383 7384 /* 7385 * Features register requires special care for devices that use 7386 * Serial ATA bridge - they need an explicit specification of 7387 * the data transfer direction for Packet DMA commands. 7388 * Setting this bit is harmless if DMA is not used. 7389 * 7390 * Many drives do not implement word 80, specifying what ATA/ATAPI 7391 * spec they follow. 7392 * We are arbitrarily following the latest SerialATA 2.6 spec, 7393 * which uses ATA/ATAPI 6 specification for Identify Data, unless 7394 * ATA/ATAPI-7 support is explicitly indicated. 7395 */ 7396 if (sdinfo->satadrv_id.ai_majorversion != 0 && 7397 sdinfo->satadrv_id.ai_majorversion != 0xffff && 7398 (sdinfo->satadrv_id.ai_majorversion & SATA_MAJVER_7) != 0) { 7399 /* 7400 * Specification of major version is valid and version 7 7401 * is supported. It does automatically imply that all 7402 * spec features are supported. For now, we assume that 7403 * DMADIR setting is valid. ATA/ATAPI7 spec is incomplete. 7404 */ 7405 if ((sdinfo->satadrv_id.ai_dirdma & 7406 SATA_ATAPI_ID_DMADIR_REQ) != 0) { 7407 if (scmd->satacmd_flags.sata_data_direction == 7408 SATA_DIR_READ) 7409 scmd->satacmd_features_reg |= 7410 SATA_ATAPI_F_DATA_DIR_READ; 7411 } 7412 } 7413 } 7414 7415 7416 #ifdef SATA_DEBUG 7417 7418 /* Display 18 bytes of Inquiry data */ 7419 static void 7420 sata_show_inqry_data(uint8_t *buf) 7421 { 7422 struct scsi_inquiry *inq = (struct scsi_inquiry *)buf; 7423 uint8_t *p; 7424 7425 cmn_err(CE_NOTE, "Inquiry data:"); 7426 cmn_err(CE_NOTE, "device type %x", inq->inq_dtype); 7427 cmn_err(CE_NOTE, "removable media %x", inq->inq_rmb); 7428 cmn_err(CE_NOTE, "version %x", inq->inq_ansi); 7429 cmn_err(CE_NOTE, "ATAPI transport version %d", 7430 SATA_ATAPI_TRANS_VERSION(inq)); 7431 cmn_err(CE_NOTE, "response data format %d, aenc %d", 7432 inq->inq_rdf, inq->inq_aenc); 7433 cmn_err(CE_NOTE, " additional length %d", inq->inq_len); 7434 cmn_err(CE_NOTE, "tpgs %d", inq->inq_tpgs); 7435 p = (uint8_t *)inq->inq_vid; 7436 cmn_err(CE_NOTE, "vendor id (binary): %02x %02x %02x %02x " 7437 "%02x %02x %02x %02x", 7438 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]); 7439 p = (uint8_t *)inq->inq_vid; 7440 cmn_err(CE_NOTE, "vendor id: %c %c %c %c %c %c %c %c", 7441 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]); 7442 7443 p = (uint8_t *)inq->inq_pid; 7444 cmn_err(CE_NOTE, "product id (binary): %02x %02x %02x %02x " 7445 "%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x", 7446 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], 7447 p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]); 7448 p = (uint8_t *)inq->inq_pid; 7449 cmn_err(CE_NOTE, "product id: %c %c %c %c %c %c %c %c " 7450 "%c %c %c %c %c %c %c %c", 7451 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], 7452 p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]); 7453 7454 p = (uint8_t *)inq->inq_revision; 7455 cmn_err(CE_NOTE, "revision (binary): %02x %02x %02x %02x", 7456 p[0], p[1], p[2], p[3]); 7457 p = (uint8_t *)inq->inq_revision; 7458 cmn_err(CE_NOTE, "revision: %c %c %c %c", 7459 p[0], p[1], p[2], p[3]); 7460 7461 } 7462 7463 7464 static void 7465 sata_save_atapi_trace(sata_pkt_txlate_t *spx, int count) 7466 { 7467 struct scsi_pkt *scsi_pkt = spx->txlt_scsi_pkt; 7468 7469 if (scsi_pkt == NULL) 7470 return; 7471 if (count != 0) { 7472 /* saving cdb */ 7473 bzero(sata_atapi_trace[sata_atapi_trace_index].acdb, 7474 SATA_ATAPI_MAX_CDB_LEN); 7475 bcopy(scsi_pkt->pkt_cdbp, 7476 sata_atapi_trace[sata_atapi_trace_index].acdb, count); 7477 } else { 7478 bcopy(&((struct scsi_arq_status *)scsi_pkt->pkt_scbp)-> 7479 sts_sensedata, 7480 sata_atapi_trace[sata_atapi_trace_index].arqs, 7481 SATA_ATAPI_MIN_RQSENSE_LEN); 7482 sata_atapi_trace[sata_atapi_trace_index].scsi_pkt_reason = 7483 scsi_pkt->pkt_reason; 7484 sata_atapi_trace[sata_atapi_trace_index].sata_pkt_reason = 7485 spx->txlt_sata_pkt->satapkt_reason; 7486 7487 if (++sata_atapi_trace_index >= 64) 7488 sata_atapi_trace_index = 0; 7489 } 7490 } 7491 7492 #endif 7493 7494 /* 7495 * Fetch inquiry data from ATAPI device 7496 * Returns SATA_SUCCESS if operation was successfull, SATA_FAILURE otherwise. 7497 * 7498 * Note: 7499 * inqb pointer does not point to a DMA-able buffer. It is a local buffer 7500 * where the caller expects to see the inquiry data. 7501 * 7502 */ 7503 7504 static int 7505 sata_get_atapi_inquiry_data(sata_hba_inst_t *sata_hba, 7506 sata_address_t *saddr, struct scsi_inquiry *inq) 7507 { 7508 sata_pkt_txlate_t *spx; 7509 sata_pkt_t *spkt; 7510 struct buf *bp; 7511 sata_drive_info_t *sdinfo; 7512 sata_cmd_t *scmd; 7513 int rval; 7514 uint8_t *rqsp; 7515 #ifdef SATA_DEBUG 7516 char msg_buf[MAXPATHLEN]; 7517 #endif 7518 7519 ASSERT(sata_hba != NULL); 7520 7521 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 7522 spx->txlt_sata_hba_inst = sata_hba; 7523 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 7524 spkt = sata_pkt_alloc(spx, NULL); 7525 if (spkt == NULL) { 7526 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 7527 return (SATA_FAILURE); 7528 } 7529 /* address is needed now */ 7530 spkt->satapkt_device.satadev_addr = *saddr; 7531 7532 /* scsi_inquiry size buffer */ 7533 bp = sata_alloc_local_buffer(spx, sizeof (struct scsi_inquiry)); 7534 if (bp == NULL) { 7535 sata_pkt_free(spx); 7536 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 7537 SATA_LOG_D((sata_hba, CE_WARN, 7538 "sata_get_atapi_inquiry_data: " 7539 "cannot allocate data buffer")); 7540 return (SATA_FAILURE); 7541 } 7542 bp_mapin(bp); /* make data buffer accessible */ 7543 7544 scmd = &spkt->satapkt_cmd; 7545 ASSERT(scmd->satacmd_num_dma_cookies != 0); 7546 ASSERT(scmd->satacmd_dma_cookie_list != NULL); 7547 7548 /* Use synchronous mode */ 7549 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 7550 spkt->satapkt_comp = NULL; 7551 spkt->satapkt_time = sata_default_pkt_time; 7552 7553 /* Issue inquiry command - 6 bytes cdb, data transfer, read */ 7554 7555 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 7556 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 7557 7558 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 7559 sdinfo = sata_get_device_info(sata_hba, 7560 &spx->txlt_sata_pkt->satapkt_device); 7561 if (sdinfo == NULL) { 7562 /* we have to be carefull about the disapearing device */ 7563 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 7564 rval = SATA_FAILURE; 7565 goto cleanup; 7566 } 7567 sata_atapi_packet_cmd_setup(scmd, sdinfo); 7568 7569 /* 7570 * Set-up acdb. This works for atapi transport version 2 and later. 7571 */ 7572 scmd->satacmd_acdb_len = sdinfo->satadrv_atapi_cdb_len; 7573 bzero(scmd->satacmd_acdb, SATA_ATAPI_MAX_CDB_LEN); 7574 scmd->satacmd_acdb[0] = 0x12; /* Inquiry */ 7575 scmd->satacmd_acdb[1] = 0x00; 7576 scmd->satacmd_acdb[2] = 0x00; 7577 scmd->satacmd_acdb[3] = 0x00; 7578 scmd->satacmd_acdb[4] = sizeof (struct scsi_inquiry); 7579 scmd->satacmd_acdb[5] = 0x00; 7580 7581 sata_fixed_sense_data_preset( 7582 (struct scsi_extended_sense *)scmd->satacmd_rqsense); 7583 7584 /* Transfer command to HBA */ 7585 if (sata_hba_start(spx, &rval) != 0) { 7586 /* Pkt not accepted for execution */ 7587 SATADBG1(SATA_DBG_ATAPI, sata_hba, 7588 "sata_get_atapi_inquiry_data: " 7589 "Packet not accepted for execution - ret: %02x", rval); 7590 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 7591 rval = SATA_FAILURE; 7592 goto cleanup; 7593 } 7594 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 7595 7596 if (spkt->satapkt_reason == SATA_PKT_COMPLETED) { 7597 SATADBG1(SATA_DBG_ATAPI, sata_hba, 7598 "sata_get_atapi_inquiry_data: " 7599 "Packet completed successfully - ret: %02x", rval); 7600 if (spx->txlt_buf_dma_handle != NULL) { 7601 /* 7602 * Sync buffer. Handle is in usual place in translate 7603 * struct. 7604 */ 7605 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 7606 DDI_DMA_SYNC_FORCPU); 7607 ASSERT(rval == DDI_SUCCESS); 7608 } 7609 /* 7610 * Normal completion - copy data into caller's buffer 7611 */ 7612 bcopy(bp->b_un.b_addr, (uint8_t *)inq, 7613 sizeof (struct scsi_inquiry)); 7614 #ifdef SATA_DEBUG 7615 if (sata_debug_flags & SATA_DBG_ATAPI) { 7616 sata_show_inqry_data((uint8_t *)inq); 7617 } 7618 #endif 7619 rval = SATA_SUCCESS; 7620 } else { 7621 /* 7622 * Something went wrong - analyze return - check rqsense data 7623 */ 7624 rval = SATA_FAILURE; 7625 if (spkt->satapkt_reason == SATA_PKT_DEV_ERROR) { 7626 /* 7627 * ARQ data hopefull show something other than NO SENSE 7628 */ 7629 rqsp = scmd->satacmd_rqsense; 7630 #ifdef SATA_DEBUG 7631 if (sata_debug_flags & SATA_DBG_ATAPI) { 7632 msg_buf[0] = '\0'; 7633 (void) snprintf(msg_buf, MAXPATHLEN, 7634 "ATAPI packet completion reason: %02x\n" 7635 "RQSENSE: %02x %02x %02x %02x %02x %02x\n" 7636 " %02x %02x %02x %02x %02x %02x\n" 7637 " %02x %02x %02x %02x %02x %02x", 7638 spkt->satapkt_reason, 7639 rqsp[0], rqsp[1], rqsp[2], rqsp[3], 7640 rqsp[4], rqsp[5], rqsp[6], rqsp[7], 7641 rqsp[8], rqsp[9], rqsp[10], rqsp[11], 7642 rqsp[12], rqsp[13], rqsp[14], rqsp[15], 7643 rqsp[16], rqsp[17]); 7644 sata_log(spx->txlt_sata_hba_inst, CE_WARN, 7645 "%s", msg_buf); 7646 } 7647 #endif 7648 } else { 7649 switch (spkt->satapkt_reason) { 7650 case SATA_PKT_PORT_ERROR: 7651 SATADBG1(SATA_DBG_ATAPI, sata_hba, 7652 "sata_get_atapi_inquiry_data: " 7653 "packet reason: port error", NULL); 7654 break; 7655 7656 case SATA_PKT_TIMEOUT: 7657 SATADBG1(SATA_DBG_ATAPI, sata_hba, 7658 "sata_get_atapi_inquiry_data: " 7659 "packet reason: timeout", NULL); 7660 break; 7661 7662 case SATA_PKT_ABORTED: 7663 SATADBG1(SATA_DBG_ATAPI, sata_hba, 7664 "sata_get_atapi_inquiry_data: " 7665 "packet reason: aborted", NULL); 7666 break; 7667 7668 case SATA_PKT_RESET: 7669 SATADBG1(SATA_DBG_ATAPI, sata_hba, 7670 "sata_get_atapi_inquiry_data: " 7671 "packet reason: reset\n", NULL); 7672 break; 7673 default: 7674 SATADBG1(SATA_DBG_ATAPI, sata_hba, 7675 "sata_get_atapi_inquiry_data: " 7676 "invalid packet reason: %02x\n", 7677 spkt->satapkt_reason); 7678 break; 7679 } 7680 } 7681 } 7682 cleanup: 7683 sata_free_local_buffer(spx); 7684 sata_pkt_free(spx); 7685 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 7686 return (rval); 7687 } 7688 7689 7690 7691 7692 7693 #if 0 7694 #ifdef SATA_DEBUG 7695 7696 /* 7697 * Test ATAPI packet command. 7698 * Single threaded test: send packet command in synch mode, process completion 7699 * 7700 */ 7701 static void 7702 sata_test_atapi_packet_command(sata_hba_inst_t *sata_hba_inst, int cport) 7703 { 7704 sata_pkt_txlate_t *spx; 7705 sata_pkt_t *spkt; 7706 struct buf *bp; 7707 sata_device_t sata_device; 7708 sata_drive_info_t *sdinfo; 7709 sata_cmd_t *scmd; 7710 int rval; 7711 uint8_t *rqsp; 7712 7713 ASSERT(sata_hba_inst != NULL); 7714 sata_device.satadev_addr.cport = cport; 7715 sata_device.satadev_addr.pmport = 0; 7716 sata_device.satadev_addr.qual = SATA_ADDR_DCPORT; 7717 sata_device.satadev_rev = SATA_DEVICE_REV; 7718 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 7719 sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); 7720 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 7721 if (sdinfo == NULL) { 7722 sata_log(sata_hba_inst, CE_WARN, 7723 "sata_test_atapi_packet_command: " 7724 "no device info for cport %d", 7725 sata_device.satadev_addr.cport); 7726 return; 7727 } 7728 7729 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 7730 spx->txlt_sata_hba_inst = sata_hba_inst; 7731 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 7732 spkt = sata_pkt_alloc(spx, NULL); 7733 if (spkt == NULL) { 7734 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 7735 return; 7736 } 7737 /* address is needed now */ 7738 spkt->satapkt_device.satadev_addr = sata_device.satadev_addr; 7739 7740 /* 1024k buffer */ 7741 bp = sata_alloc_local_buffer(spx, 1024); 7742 if (bp == NULL) { 7743 sata_pkt_free(spx); 7744 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 7745 sata_log(sata_hba_inst, CE_WARN, 7746 "sata_test_atapi_packet_command: " 7747 "cannot allocate data buffer"); 7748 return; 7749 } 7750 bp_mapin(bp); /* make data buffer accessible */ 7751 7752 scmd = &spkt->satapkt_cmd; 7753 ASSERT(scmd->satacmd_num_dma_cookies != 0); 7754 ASSERT(scmd->satacmd_dma_cookie_list != NULL); 7755 7756 /* Use synchronous mode */ 7757 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 7758 7759 /* Synchronous mode, no callback - may be changed by the caller */ 7760 spkt->satapkt_comp = NULL; 7761 spkt->satapkt_time = sata_default_pkt_time; 7762 7763 /* Issue inquiry command - 6 bytes cdb, data transfer, read */ 7764 7765 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 7766 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 7767 7768 sata_atapi_packet_cmd_setup(scmd, sdinfo); 7769 7770 /* Set-up acdb. */ 7771 scmd->satacmd_acdb_len = sdinfo->satadrv_atapi_cdb_len; 7772 bzero(scmd->satacmd_acdb, SATA_ATAPI_MAX_CDB_LEN); 7773 scmd->satacmd_acdb[0] = 0x12; /* Inquiry */ 7774 scmd->satacmd_acdb[1] = 0x00; 7775 scmd->satacmd_acdb[2] = 0x00; 7776 scmd->satacmd_acdb[3] = 0x00; 7777 scmd->satacmd_acdb[4] = sizeof (struct scsi_inquiry); 7778 scmd->satacmd_acdb[5] = 0x00; 7779 7780 sata_fixed_sense_data_preset( 7781 (struct scsi_extended_sense *)scmd->satacmd_rqsense); 7782 7783 /* Transfer command to HBA */ 7784 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 7785 if (sata_hba_start(spx, &rval) != 0) { 7786 /* Pkt not accepted for execution */ 7787 sata_log(sata_hba_inst, CE_WARN, 7788 "sata_test_atapi_packet_command: " 7789 "Packet not accepted for execution - ret: %02x", rval); 7790 mutex_exit( 7791 &SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 7792 goto cleanup; 7793 } 7794 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 7795 7796 if (spx->txlt_buf_dma_handle != NULL) { 7797 /* 7798 * Sync buffer. Handle is in usual place in translate struct. 7799 */ 7800 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 7801 DDI_DMA_SYNC_FORCPU); 7802 ASSERT(rval == DDI_SUCCESS); 7803 } 7804 if (spkt->satapkt_reason == SATA_PKT_COMPLETED) { 7805 sata_log(sata_hba_inst, CE_WARN, 7806 "sata_test_atapi_packet_command: " 7807 "Packet completed successfully"); 7808 /* 7809 * Normal completion - show inquiry data 7810 */ 7811 sata_show_inqry_data((uint8_t *)bp->b_un.b_addr); 7812 } else { 7813 /* 7814 * Something went wrong - analyze return - check rqsense data 7815 */ 7816 if (spkt->satapkt_reason == SATA_PKT_DEV_ERROR) { 7817 /* 7818 * ARQ data hopefull show something other than NO SENSE 7819 */ 7820 rqsp = scmd->satacmd_rqsense; 7821 sata_log(spx->txlt_sata_hba_inst, CE_WARN, 7822 "ATAPI packet completion reason: %02x\n" 7823 "RQSENSE: %02x %02x %02x %02x %02x %02x " 7824 " %02x %02x %02x %02x %02x %02x " 7825 " %02x %02x %02x %02x %02x %02x\n", 7826 spkt->satapkt_reason, 7827 rqsp[0], rqsp[1], rqsp[2], rqsp[3], 7828 rqsp[4], rqsp[5], rqsp[6], rqsp[7], 7829 rqsp[8], rqsp[9], rqsp[10], rqsp[11], 7830 rqsp[12], rqsp[13], rqsp[14], rqsp[15], 7831 rqsp[16], rqsp[17]); 7832 } else { 7833 switch (spkt->satapkt_reason) { 7834 case SATA_PKT_PORT_ERROR: 7835 sata_log(sata_hba_inst, CE_WARN, 7836 "sata_test_atapi_packet_command: " 7837 "packet reason: port error\n"); 7838 break; 7839 7840 case SATA_PKT_TIMEOUT: 7841 sata_log(sata_hba_inst, CE_WARN, 7842 "sata_test_atapi_packet_command: " 7843 "packet reason: timeout\n"); 7844 break; 7845 7846 case SATA_PKT_ABORTED: 7847 sata_log(sata_hba_inst, CE_WARN, 7848 "sata_test_atapi_packet_command: " 7849 "packet reason: aborted\n"); 7850 break; 7851 7852 case SATA_PKT_RESET: 7853 sata_log(sata_hba_inst, CE_WARN, 7854 "sata_test_atapi_packet_command: " 7855 "packet reason: reset\n"); 7856 break; 7857 default: 7858 sata_log(sata_hba_inst, CE_WARN, 7859 "sata_test_atapi_packet_command: " 7860 "invalid packet reason: %02x\n", 7861 spkt->satapkt_reason); 7862 break; 7863 } 7864 } 7865 } 7866 cleanup: 7867 sata_free_local_buffer(spx); 7868 sata_pkt_free(spx); 7869 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 7870 } 7871 7872 #endif /* SATA_DEBUG */ 7873 #endif /* 1 */ 7874 7875 7876 /* ************************** LOCAL HELPER FUNCTIONS *********************** */ 7877 7878 /* 7879 * Validate sata_tran info 7880 * SATA_FAILURE returns if structure is inconsistent or structure revision 7881 * does not match one used by the framework. 7882 * 7883 * Returns SATA_SUCCESS if sata_hba_tran has matching revision and contains 7884 * required function pointers. 7885 * Returns SATA_FAILURE otherwise. 7886 */ 7887 static int 7888 sata_validate_sata_hba_tran(dev_info_t *dip, sata_hba_tran_t *sata_tran) 7889 { 7890 /* 7891 * SATA_TRAN_HBA_REV is the current (highest) revision number 7892 * of the SATA interface. 7893 */ 7894 if (sata_tran->sata_tran_hba_rev > SATA_TRAN_HBA_REV) { 7895 sata_log(NULL, CE_WARN, 7896 "sata: invalid sata_hba_tran version %d for driver %s", 7897 sata_tran->sata_tran_hba_rev, ddi_driver_name(dip)); 7898 return (SATA_FAILURE); 7899 } 7900 7901 if (dip != sata_tran->sata_tran_hba_dip) { 7902 SATA_LOG_D((NULL, CE_WARN, 7903 "sata: inconsistent sata_tran_hba_dip " 7904 "%p / %p", sata_tran->sata_tran_hba_dip, dip)); 7905 return (SATA_FAILURE); 7906 } 7907 7908 if (sata_tran->sata_tran_probe_port == NULL || 7909 sata_tran->sata_tran_start == NULL || 7910 sata_tran->sata_tran_abort == NULL || 7911 sata_tran->sata_tran_reset_dport == NULL || 7912 sata_tran->sata_tran_hotplug_ops == NULL || 7913 sata_tran->sata_tran_hotplug_ops->sata_tran_port_activate == NULL || 7914 sata_tran->sata_tran_hotplug_ops->sata_tran_port_deactivate == 7915 NULL) { 7916 SATA_LOG_D((NULL, CE_WARN, "sata: sata_hba_tran missing " 7917 "required functions")); 7918 } 7919 return (SATA_SUCCESS); 7920 } 7921 7922 /* 7923 * Remove HBA instance from sata_hba_list. 7924 */ 7925 static void 7926 sata_remove_hba_instance(dev_info_t *dip) 7927 { 7928 sata_hba_inst_t *sata_hba_inst; 7929 7930 mutex_enter(&sata_mutex); 7931 for (sata_hba_inst = sata_hba_list; 7932 sata_hba_inst != (struct sata_hba_inst *)NULL; 7933 sata_hba_inst = sata_hba_inst->satahba_next) { 7934 if (sata_hba_inst->satahba_dip == dip) 7935 break; 7936 } 7937 7938 if (sata_hba_inst == (struct sata_hba_inst *)NULL) { 7939 #ifdef SATA_DEBUG 7940 cmn_err(CE_WARN, "sata_remove_hba_instance: " 7941 "unknown HBA instance\n"); 7942 #endif 7943 ASSERT(FALSE); 7944 } 7945 if (sata_hba_inst == sata_hba_list) { 7946 sata_hba_list = sata_hba_inst->satahba_next; 7947 if (sata_hba_list) { 7948 sata_hba_list->satahba_prev = 7949 (struct sata_hba_inst *)NULL; 7950 } 7951 if (sata_hba_inst == sata_hba_list_tail) { 7952 sata_hba_list_tail = NULL; 7953 } 7954 } else if (sata_hba_inst == sata_hba_list_tail) { 7955 sata_hba_list_tail = sata_hba_inst->satahba_prev; 7956 if (sata_hba_list_tail) { 7957 sata_hba_list_tail->satahba_next = 7958 (struct sata_hba_inst *)NULL; 7959 } 7960 } else { 7961 sata_hba_inst->satahba_prev->satahba_next = 7962 sata_hba_inst->satahba_next; 7963 sata_hba_inst->satahba_next->satahba_prev = 7964 sata_hba_inst->satahba_prev; 7965 } 7966 mutex_exit(&sata_mutex); 7967 } 7968 7969 7970 7971 7972 7973 /* 7974 * Probe all SATA ports of the specified HBA instance. 7975 * The assumption is that there are no target and attachment point minor nodes 7976 * created by the boot subsystems, so we do not need to prune device tree. 7977 * 7978 * This function is called only from sata_hba_attach(). It does not have to 7979 * be protected by controller mutex, because the hba_attached flag is not set 7980 * yet and no one would be touching this HBA instance other than this thread. 7981 * Determines if port is active and what type of the device is attached 7982 * (if any). Allocates necessary structures for each port. 7983 * 7984 * An AP (Attachement Point) node is created for each SATA device port even 7985 * when there is no device attached. 7986 */ 7987 7988 static void 7989 sata_probe_ports(sata_hba_inst_t *sata_hba_inst) 7990 { 7991 dev_info_t *dip = SATA_DIP(sata_hba_inst); 7992 int ncport, npmport; 7993 sata_cport_info_t *cportinfo; 7994 sata_drive_info_t *drive; 7995 sata_pmult_info_t *pminfo; 7996 sata_pmport_info_t *pmportinfo; 7997 sata_device_t sata_device; 7998 int rval; 7999 dev_t minor_number; 8000 char name[16]; 8001 clock_t start_time, cur_time; 8002 8003 /* 8004 * Probe controller ports first, to find port status and 8005 * any port multiplier attached. 8006 */ 8007 for (ncport = 0; ncport < SATA_NUM_CPORTS(sata_hba_inst); ncport++) { 8008 /* allocate cport structure */ 8009 cportinfo = kmem_zalloc(sizeof (sata_cport_info_t), KM_SLEEP); 8010 ASSERT(cportinfo != NULL); 8011 mutex_init(&cportinfo->cport_mutex, NULL, MUTEX_DRIVER, NULL); 8012 8013 mutex_enter(&cportinfo->cport_mutex); 8014 8015 cportinfo->cport_addr.cport = ncport; 8016 cportinfo->cport_addr.pmport = 0; 8017 cportinfo->cport_addr.qual = SATA_ADDR_CPORT; 8018 cportinfo->cport_state &= ~SATA_PORT_STATE_CLEAR_MASK; 8019 cportinfo->cport_state |= SATA_STATE_PROBING; 8020 SATA_CPORT_INFO(sata_hba_inst, ncport) = cportinfo; 8021 8022 /* 8023 * Regardless if a port is usable or not, create 8024 * an attachment point 8025 */ 8026 mutex_exit(&cportinfo->cport_mutex); 8027 minor_number = 8028 SATA_MAKE_AP_MINOR(ddi_get_instance(dip), ncport, 0, 0); 8029 (void) sprintf(name, "%d", ncport); 8030 if (ddi_create_minor_node(dip, name, S_IFCHR, 8031 minor_number, DDI_NT_SATA_ATTACHMENT_POINT, 0) != 8032 DDI_SUCCESS) { 8033 sata_log(sata_hba_inst, CE_WARN, "sata_hba_attach: " 8034 "cannot create SATA attachment point for port %d", 8035 ncport); 8036 } 8037 8038 /* Probe port */ 8039 start_time = ddi_get_lbolt(); 8040 reprobe_cport: 8041 sata_device.satadev_addr.cport = ncport; 8042 sata_device.satadev_addr.pmport = 0; 8043 sata_device.satadev_addr.qual = SATA_ADDR_CPORT; 8044 sata_device.satadev_rev = SATA_DEVICE_REV; 8045 8046 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 8047 (dip, &sata_device); 8048 8049 mutex_enter(&cportinfo->cport_mutex); 8050 sata_update_port_scr(&cportinfo->cport_scr, &sata_device); 8051 if (rval != SATA_SUCCESS) { 8052 /* Something went wrong? Fail the port */ 8053 cportinfo->cport_state = SATA_PSTATE_FAILED; 8054 mutex_exit(&cportinfo->cport_mutex); 8055 continue; 8056 } 8057 cportinfo->cport_state &= ~SATA_STATE_PROBING; 8058 cportinfo->cport_state |= SATA_STATE_PROBED; 8059 cportinfo->cport_dev_type = sata_device.satadev_type; 8060 8061 cportinfo->cport_state |= SATA_STATE_READY; 8062 if (cportinfo->cport_dev_type == SATA_DTYPE_NONE) { 8063 mutex_exit(&cportinfo->cport_mutex); 8064 continue; 8065 } 8066 if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { 8067 /* 8068 * There is some device attached. 8069 * Allocate device info structure 8070 */ 8071 if (SATA_CPORTINFO_DRV_INFO(cportinfo) == NULL) { 8072 mutex_exit(&cportinfo->cport_mutex); 8073 SATA_CPORTINFO_DRV_INFO(cportinfo) = 8074 kmem_zalloc(sizeof (sata_drive_info_t), 8075 KM_SLEEP); 8076 mutex_enter(&cportinfo->cport_mutex); 8077 } 8078 drive = SATA_CPORTINFO_DRV_INFO(cportinfo); 8079 drive->satadrv_addr = cportinfo->cport_addr; 8080 drive->satadrv_addr.qual = SATA_ADDR_DCPORT; 8081 drive->satadrv_type = cportinfo->cport_dev_type; 8082 drive->satadrv_state = SATA_STATE_UNKNOWN; 8083 8084 mutex_exit(&cportinfo->cport_mutex); 8085 if (sata_add_device(dip, sata_hba_inst, ncport, 0) != 8086 SATA_SUCCESS) { 8087 /* 8088 * Plugged device was not correctly identified. 8089 * Retry, within a SATA_DEV_IDENTIFY_TIMEOUT 8090 */ 8091 cur_time = ddi_get_lbolt(); 8092 if ((cur_time - start_time) < 8093 drv_usectohz(SATA_DEV_IDENTIFY_TIMEOUT)) { 8094 /* sleep for a while */ 8095 delay(drv_usectohz( 8096 SATA_DEV_RETRY_DLY)); 8097 goto reprobe_cport; 8098 } 8099 } 8100 } else { 8101 mutex_exit(&cportinfo->cport_mutex); 8102 ASSERT(cportinfo->cport_dev_type == SATA_DTYPE_PMULT); 8103 pminfo = kmem_zalloc(sizeof (sata_pmult_info_t), 8104 KM_SLEEP); 8105 mutex_enter(&cportinfo->cport_mutex); 8106 ASSERT(pminfo != NULL); 8107 SATA_CPORTINFO_PMULT_INFO(cportinfo) = pminfo; 8108 pminfo->pmult_addr.cport = cportinfo->cport_addr.cport; 8109 pminfo->pmult_addr.pmport = SATA_PMULT_HOSTPORT; 8110 pminfo->pmult_addr.qual = SATA_ADDR_PMPORT; 8111 pminfo->pmult_num_dev_ports = 8112 sata_device.satadev_add_info; 8113 mutex_init(&pminfo->pmult_mutex, NULL, MUTEX_DRIVER, 8114 NULL); 8115 pminfo->pmult_state = SATA_STATE_PROBING; 8116 mutex_exit(&cportinfo->cport_mutex); 8117 8118 /* Probe Port Multiplier ports */ 8119 for (npmport = 0; 8120 npmport < pminfo->pmult_num_dev_ports; 8121 npmport++) { 8122 pmportinfo = kmem_zalloc( 8123 sizeof (sata_pmport_info_t), KM_SLEEP); 8124 mutex_enter(&cportinfo->cport_mutex); 8125 ASSERT(pmportinfo != NULL); 8126 pmportinfo->pmport_addr.cport = ncport; 8127 pmportinfo->pmport_addr.pmport = npmport; 8128 pmportinfo->pmport_addr.qual = 8129 SATA_ADDR_PMPORT; 8130 pminfo->pmult_dev_port[npmport] = pmportinfo; 8131 8132 mutex_init(&pmportinfo->pmport_mutex, NULL, 8133 MUTEX_DRIVER, NULL); 8134 8135 mutex_exit(&cportinfo->cport_mutex); 8136 8137 /* Create an attachment point */ 8138 minor_number = SATA_MAKE_AP_MINOR( 8139 ddi_get_instance(dip), ncport, npmport, 1); 8140 (void) sprintf(name, "%d.%d", ncport, npmport); 8141 if (ddi_create_minor_node(dip, name, S_IFCHR, 8142 minor_number, DDI_NT_SATA_ATTACHMENT_POINT, 8143 0) != DDI_SUCCESS) { 8144 sata_log(sata_hba_inst, CE_WARN, 8145 "sata_hba_attach: " 8146 "cannot create SATA attachment " 8147 "point for port %d pmult port %d", 8148 ncport, npmport); 8149 } 8150 8151 start_time = ddi_get_lbolt(); 8152 reprobe_pmport: 8153 sata_device.satadev_addr.pmport = npmport; 8154 sata_device.satadev_addr.qual = 8155 SATA_ADDR_PMPORT; 8156 8157 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 8158 (dip, &sata_device); 8159 mutex_enter(&cportinfo->cport_mutex); 8160 8161 /* sata_update_port_info() */ 8162 sata_update_port_scr(&pmportinfo->pmport_scr, 8163 &sata_device); 8164 8165 if (rval != SATA_SUCCESS) { 8166 pmportinfo->pmport_state = 8167 SATA_PSTATE_FAILED; 8168 mutex_exit(&cportinfo->cport_mutex); 8169 continue; 8170 } 8171 pmportinfo->pmport_state &= 8172 ~SATA_STATE_PROBING; 8173 pmportinfo->pmport_state |= SATA_STATE_PROBED; 8174 pmportinfo->pmport_dev_type = 8175 sata_device.satadev_type; 8176 8177 pmportinfo->pmport_state |= SATA_STATE_READY; 8178 if (pmportinfo->pmport_dev_type == 8179 SATA_DTYPE_NONE) { 8180 mutex_exit(&cportinfo->cport_mutex); 8181 continue; 8182 } 8183 /* Port multipliers cannot be chained */ 8184 ASSERT(pmportinfo->pmport_dev_type != 8185 SATA_DTYPE_PMULT); 8186 /* 8187 * There is something attached to Port 8188 * Multiplier device port 8189 * Allocate device info structure 8190 */ 8191 if (pmportinfo->pmport_sata_drive == NULL) { 8192 mutex_exit(&cportinfo->cport_mutex); 8193 pmportinfo->pmport_sata_drive = 8194 kmem_zalloc( 8195 sizeof (sata_drive_info_t), 8196 KM_SLEEP); 8197 mutex_enter(&cportinfo->cport_mutex); 8198 } 8199 drive = pmportinfo->pmport_sata_drive; 8200 drive->satadrv_addr.cport = 8201 pmportinfo->pmport_addr.cport; 8202 drive->satadrv_addr.pmport = npmport; 8203 drive->satadrv_addr.qual = SATA_ADDR_DPMPORT; 8204 drive->satadrv_type = pmportinfo-> 8205 pmport_dev_type; 8206 drive->satadrv_state = SATA_STATE_UNKNOWN; 8207 8208 mutex_exit(&cportinfo->cport_mutex); 8209 if (sata_add_device(dip, sata_hba_inst, ncport, 8210 npmport) != SATA_SUCCESS) { 8211 /* 8212 * Plugged device was not correctly 8213 * identified. Retry, within the 8214 * SATA_DEV_IDENTIFY_TIMEOUT 8215 */ 8216 cur_time = ddi_get_lbolt(); 8217 if ((cur_time - start_time) < 8218 drv_usectohz( 8219 SATA_DEV_IDENTIFY_TIMEOUT)) { 8220 /* sleep for a while */ 8221 delay(drv_usectohz( 8222 SATA_DEV_RETRY_DLY)); 8223 goto reprobe_pmport; 8224 } 8225 } 8226 } 8227 pmportinfo->pmport_state = 8228 SATA_STATE_PROBED | SATA_STATE_READY; 8229 } 8230 } 8231 } 8232 8233 /* 8234 * Add SATA device for specified HBA instance & port (SCSI target 8235 * device nodes). 8236 * This function is called (indirectly) only from sata_hba_attach(). 8237 * A target node is created when there is a supported type device attached, 8238 * but may be removed if it cannot be put online. 8239 * 8240 * This function cannot be called from an interrupt context. 8241 * 8242 * ONLY DISK TARGET NODES ARE CREATED NOW 8243 * 8244 * Returns SATA_SUCCESS when port/device was fully processed, SATA_FAILURE when 8245 * device identification failed - adding a device could be retried. 8246 * 8247 */ 8248 static int 8249 sata_add_device(dev_info_t *pdip, sata_hba_inst_t *sata_hba_inst, int cport, 8250 int pmport) 8251 { 8252 sata_cport_info_t *cportinfo; 8253 sata_pmult_info_t *pminfo; 8254 sata_pmport_info_t *pmportinfo; 8255 dev_info_t *cdip; /* child dip */ 8256 sata_device_t sata_device; 8257 int rval; 8258 8259 8260 8261 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 8262 ASSERT(cportinfo->cport_dev_type != SATA_DTYPE_NONE); 8263 mutex_enter(&cportinfo->cport_mutex); 8264 /* 8265 * Some device is attached to a controller port. 8266 * We rely on controllers distinquishing between no-device, 8267 * attached port multiplier and other kind of attached device. 8268 * We need to get Identify Device data and determine 8269 * positively the dev type before trying to attach 8270 * the target driver. 8271 */ 8272 sata_device.satadev_rev = SATA_DEVICE_REV; 8273 if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { 8274 /* 8275 * Not port multiplier. 8276 */ 8277 sata_device.satadev_addr = cportinfo->cport_addr; 8278 sata_device.satadev_addr.qual = SATA_ADDR_DCPORT; 8279 mutex_exit(&cportinfo->cport_mutex); 8280 8281 rval = sata_probe_device(sata_hba_inst, &sata_device); 8282 if (rval != SATA_SUCCESS || 8283 sata_device.satadev_type == SATA_DTYPE_UNKNOWN) 8284 return (SATA_FAILURE); 8285 8286 mutex_enter(&cportinfo->cport_mutex); 8287 sata_show_drive_info(sata_hba_inst, 8288 SATA_CPORTINFO_DRV_INFO(cportinfo)); 8289 8290 if ((sata_device.satadev_type & SATA_VALID_DEV_TYPE) == 0) { 8291 /* 8292 * Could not determine device type or 8293 * a device is not supported. 8294 * Degrade this device to unknown. 8295 */ 8296 cportinfo->cport_dev_type = SATA_DTYPE_UNKNOWN; 8297 mutex_exit(&cportinfo->cport_mutex); 8298 return (SATA_SUCCESS); 8299 } 8300 cportinfo->cport_dev_type = sata_device.satadev_type; 8301 cportinfo->cport_tgtnode_clean = B_TRUE; 8302 mutex_exit(&cportinfo->cport_mutex); 8303 8304 /* 8305 * Initialize device to the desired state. Even if it 8306 * fails, the device will still attach but syslog 8307 * will show the warning. 8308 */ 8309 if (sata_initialize_device(sata_hba_inst, 8310 SATA_CPORTINFO_DRV_INFO(cportinfo)) != SATA_SUCCESS) 8311 /* Retry */ 8312 (void) sata_initialize_device(sata_hba_inst, 8313 SATA_CPORTINFO_DRV_INFO(cportinfo)); 8314 8315 cdip = sata_create_target_node(pdip, sata_hba_inst, 8316 &sata_device.satadev_addr); 8317 mutex_enter(&cportinfo->cport_mutex); 8318 if (cdip == NULL) { 8319 /* 8320 * Attaching target node failed. 8321 * We retain sata_drive_info structure... 8322 */ 8323 mutex_exit(&cportinfo->cport_mutex); 8324 return (SATA_SUCCESS); 8325 } 8326 (SATA_CPORTINFO_DRV_INFO(cportinfo))-> 8327 satadrv_state = SATA_STATE_READY; 8328 } else { 8329 /* This must be Port Multiplier type */ 8330 if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { 8331 SATA_LOG_D((sata_hba_inst, CE_WARN, 8332 "sata_add_device: " 8333 "unrecognized dev type %x", 8334 cportinfo->cport_dev_type)); 8335 mutex_exit(&cportinfo->cport_mutex); 8336 return (SATA_SUCCESS); 8337 } 8338 pminfo = SATA_CPORTINFO_PMULT_INFO(cportinfo); 8339 pmportinfo = pminfo->pmult_dev_port[pmport]; 8340 sata_device.satadev_addr = pmportinfo->pmport_addr; 8341 sata_device.satadev_addr.qual = SATA_ADDR_DPMPORT; 8342 mutex_exit(&cportinfo->cport_mutex); 8343 8344 rval = sata_probe_device(sata_hba_inst, &sata_device); 8345 if (rval != SATA_SUCCESS || 8346 sata_device.satadev_type == SATA_DTYPE_UNKNOWN) { 8347 return (SATA_FAILURE); 8348 } 8349 mutex_enter(&cportinfo->cport_mutex); 8350 sata_show_drive_info(sata_hba_inst, 8351 SATA_CPORTINFO_DRV_INFO(cportinfo)); 8352 8353 if ((sata_device.satadev_type & SATA_VALID_DEV_TYPE) == 0) { 8354 /* 8355 * Could not determine device type. 8356 * Degrade this device to unknown. 8357 */ 8358 pmportinfo->pmport_dev_type = SATA_DTYPE_UNKNOWN; 8359 mutex_exit(&cportinfo->cport_mutex); 8360 return (SATA_SUCCESS); 8361 } 8362 pmportinfo->pmport_dev_type = sata_device.satadev_type; 8363 pmportinfo->pmport_tgtnode_clean = B_TRUE; 8364 mutex_exit(&cportinfo->cport_mutex); 8365 8366 /* 8367 * Initialize device to the desired state. 8368 * Even if it fails, the device will still 8369 * attach but syslog will show the warning. 8370 */ 8371 if (sata_initialize_device(sata_hba_inst, 8372 pmportinfo->pmport_sata_drive) != SATA_SUCCESS) 8373 /* Retry */ 8374 (void) sata_initialize_device(sata_hba_inst, 8375 pmportinfo->pmport_sata_drive); 8376 8377 cdip = sata_create_target_node(pdip, sata_hba_inst, 8378 &sata_device.satadev_addr); 8379 mutex_enter(&cportinfo->cport_mutex); 8380 if (cdip == NULL) { 8381 /* 8382 * Attaching target node failed. 8383 * We retain sata_drive_info structure... 8384 */ 8385 mutex_exit(&cportinfo->cport_mutex); 8386 return (SATA_SUCCESS); 8387 } 8388 pmportinfo->pmport_sata_drive->satadrv_state |= 8389 SATA_STATE_READY; 8390 } 8391 mutex_exit(&cportinfo->cport_mutex); 8392 return (SATA_SUCCESS); 8393 } 8394 8395 8396 8397 /* 8398 * Create scsi target node for attached device, create node properties and 8399 * attach the node. 8400 * The node could be removed if the device onlining fails. 8401 * 8402 * A dev_info_t pointer is returned if operation is successful, NULL is 8403 * returned otherwise. 8404 * 8405 * No port multiplier support. 8406 */ 8407 8408 static dev_info_t * 8409 sata_create_target_node(dev_info_t *dip, sata_hba_inst_t *sata_hba_inst, 8410 sata_address_t *sata_addr) 8411 { 8412 dev_info_t *cdip = NULL; 8413 int rval; 8414 char *nname = NULL; 8415 char **compatible = NULL; 8416 int ncompatible; 8417 struct scsi_inquiry inq; 8418 sata_device_t sata_device; 8419 sata_drive_info_t *sdinfo; 8420 int target; 8421 int i; 8422 8423 sata_device.satadev_rev = SATA_DEVICE_REV; 8424 sata_device.satadev_addr = *sata_addr; 8425 8426 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_addr->cport))); 8427 8428 sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); 8429 8430 target = SATA_TO_SCSI_TARGET(sata_addr->cport, 8431 sata_addr->pmport, sata_addr->qual); 8432 8433 if (sdinfo == NULL) { 8434 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 8435 sata_addr->cport))); 8436 SATA_LOG_D((sata_hba_inst, CE_WARN, 8437 "sata_create_target_node: no sdinfo for target %x", 8438 target)); 8439 return (NULL); 8440 } 8441 8442 /* 8443 * create or get scsi inquiry data, expected by 8444 * scsi_hba_nodename_compatible_get() 8445 * SATA hard disks get Identify Data translated into Inguiry Data. 8446 * ATAPI devices respond directly to Inquiry request. 8447 */ 8448 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 8449 sata_identdev_to_inquiry(sata_hba_inst, sdinfo, 8450 (uint8_t *)&inq); 8451 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 8452 sata_addr->cport))); 8453 } else { /* Assume supported ATAPI device */ 8454 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 8455 sata_addr->cport))); 8456 if (sata_get_atapi_inquiry_data(sata_hba_inst, sata_addr, 8457 &inq) == SATA_FAILURE) 8458 return (NULL); 8459 /* 8460 * Save supported ATAPI transport version 8461 */ 8462 sdinfo->satadrv_atapi_trans_ver = 8463 SATA_ATAPI_TRANS_VERSION(&inq); 8464 } 8465 8466 /* determine the node name and compatible */ 8467 scsi_hba_nodename_compatible_get(&inq, NULL, 8468 inq.inq_dtype, NULL, &nname, &compatible, &ncompatible); 8469 8470 #ifdef SATA_DEBUG 8471 if (sata_debug_flags & SATA_DBG_NODES) { 8472 if (nname == NULL) { 8473 cmn_err(CE_NOTE, "sata_create_target_node: " 8474 "cannot determine nodename for target %d\n", 8475 target); 8476 } else { 8477 cmn_err(CE_WARN, "sata_create_target_node: " 8478 "target %d nodename: %s\n", target, nname); 8479 } 8480 if (compatible == NULL) { 8481 cmn_err(CE_WARN, 8482 "sata_create_target_node: no compatible name\n"); 8483 } else { 8484 for (i = 0; i < ncompatible; i++) { 8485 cmn_err(CE_WARN, "sata_create_target_node: " 8486 "compatible name: %s\n", compatible[i]); 8487 } 8488 } 8489 } 8490 #endif 8491 8492 /* if nodename can't be determined, log error and exit */ 8493 if (nname == NULL) { 8494 SATA_LOG_D((sata_hba_inst, CE_WARN, 8495 "sata_create_target_node: cannot determine nodename " 8496 "for target %d\n", target)); 8497 scsi_hba_nodename_compatible_free(nname, compatible); 8498 return (NULL); 8499 } 8500 /* 8501 * Create scsi target node 8502 */ 8503 ndi_devi_alloc_sleep(dip, nname, (pnode_t)DEVI_SID_NODEID, &cdip); 8504 rval = ndi_prop_update_string(DDI_DEV_T_NONE, cdip, 8505 "device-type", "scsi"); 8506 8507 if (rval != DDI_PROP_SUCCESS) { 8508 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: " 8509 "updating device_type prop failed %d", rval)); 8510 goto fail; 8511 } 8512 8513 /* 8514 * Create target node properties: target & lun 8515 */ 8516 rval = ndi_prop_update_int(DDI_DEV_T_NONE, cdip, "target", target); 8517 if (rval != DDI_PROP_SUCCESS) { 8518 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: " 8519 "updating target prop failed %d", rval)); 8520 goto fail; 8521 } 8522 rval = ndi_prop_update_int(DDI_DEV_T_NONE, cdip, "lun", 0); 8523 if (rval != DDI_PROP_SUCCESS) { 8524 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: " 8525 "updating target prop failed %d", rval)); 8526 goto fail; 8527 } 8528 8529 if (sdinfo->satadrv_type == SATA_DTYPE_ATAPICD) { 8530 /* 8531 * Add "variant" property 8532 */ 8533 rval = ndi_prop_update_string(DDI_DEV_T_NONE, cdip, 8534 "variant", "atapi"); 8535 if (rval != DDI_PROP_SUCCESS) { 8536 SATA_LOG_D((sata_hba_inst, CE_WARN, 8537 "sata_create_target_node: variant atapi " 8538 "property could not be created: %d", rval)); 8539 goto fail; 8540 } 8541 } 8542 /* decorate the node with compatible */ 8543 if (ndi_prop_update_string_array(DDI_DEV_T_NONE, cdip, "compatible", 8544 compatible, ncompatible) != DDI_PROP_SUCCESS) { 8545 SATA_LOG_D((sata_hba_inst, CE_WARN, 8546 "sata_create_target_node: FAIL compatible props cdip 0x%p", 8547 (void *)cdip)); 8548 goto fail; 8549 } 8550 8551 8552 /* 8553 * Now, try to attach the driver. If probing of the device fails, 8554 * the target node may be removed 8555 */ 8556 rval = ndi_devi_online(cdip, NDI_ONLINE_ATTACH); 8557 8558 scsi_hba_nodename_compatible_free(nname, compatible); 8559 8560 if (rval == NDI_SUCCESS) 8561 return (cdip); 8562 8563 /* target node was removed - are we sure? */ 8564 return (NULL); 8565 8566 fail: 8567 scsi_hba_nodename_compatible_free(nname, compatible); 8568 ddi_prop_remove_all(cdip); 8569 rval = ndi_devi_free(cdip); 8570 if (rval != NDI_SUCCESS) { 8571 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: " 8572 "node removal failed %d", rval)); 8573 } 8574 sata_log(sata_hba_inst, CE_WARN, "sata_create_target_node: " 8575 "cannot create target node for SATA device at port %d", 8576 sata_addr->cport); 8577 return (NULL); 8578 } 8579 8580 8581 8582 /* 8583 * Re-probe sata port, check for a device and attach info 8584 * structures when necessary. Identify Device data is fetched, if possible. 8585 * Assumption: sata address is already validated. 8586 * SATA_SUCCESS is returned if port is re-probed sucessfully, regardless of 8587 * the presence of a device and its type. 8588 * 8589 * flag arg specifies that the function should try multiple times to identify 8590 * device type and to initialize it, or it should return immediately on failure. 8591 * SATA_DEV_IDENTIFY_RETRY - retry 8592 * SATA_DEV_IDENTIFY_NORETRY - no retry 8593 * 8594 * SATA_FAILURE is returned if one of the operations failed. 8595 * 8596 * This function cannot be called in interrupt context - it may sleep. 8597 * 8598 * NOte: Port multiplier is not supported yet, although there may be some 8599 * pieces of code referencing to it. 8600 */ 8601 static int 8602 sata_reprobe_port(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device, 8603 int flag) 8604 { 8605 sata_cport_info_t *cportinfo; 8606 sata_drive_info_t *sdinfo, *osdinfo; 8607 boolean_t init_device = B_FALSE; 8608 int prev_device_type = SATA_DTYPE_NONE; 8609 int prev_device_settings = 0; 8610 int prev_device_state = 0; 8611 clock_t start_time; 8612 int retry = B_FALSE; 8613 int rval; 8614 8615 /* We only care about host sata cport for now */ 8616 cportinfo = SATA_CPORT_INFO(sata_hba_inst, 8617 sata_device->satadev_addr.cport); 8618 osdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 8619 if (osdinfo != NULL) { 8620 /* 8621 * We are re-probing port with a previously attached device. 8622 * Save previous device type and settings. 8623 */ 8624 prev_device_type = cportinfo->cport_dev_type; 8625 prev_device_settings = osdinfo->satadrv_settings; 8626 prev_device_state = osdinfo->satadrv_state; 8627 } 8628 if (flag == SATA_DEV_IDENTIFY_RETRY) { 8629 start_time = ddi_get_lbolt(); 8630 retry = B_TRUE; 8631 } 8632 retry_probe: 8633 8634 /* probe port */ 8635 mutex_enter(&cportinfo->cport_mutex); 8636 cportinfo->cport_state &= ~SATA_PORT_STATE_CLEAR_MASK; 8637 cportinfo->cport_state |= SATA_STATE_PROBING; 8638 mutex_exit(&cportinfo->cport_mutex); 8639 8640 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 8641 (SATA_DIP(sata_hba_inst), sata_device); 8642 8643 mutex_enter(&cportinfo->cport_mutex); 8644 if (rval != SATA_SUCCESS) { 8645 cportinfo->cport_state = SATA_PSTATE_FAILED; 8646 mutex_exit(&cportinfo->cport_mutex); 8647 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_reprobe_port: " 8648 "SATA port %d probing failed", 8649 cportinfo->cport_addr.cport)); 8650 return (SATA_FAILURE); 8651 } 8652 8653 /* 8654 * update sata port state and set device type 8655 */ 8656 sata_update_port_info(sata_hba_inst, sata_device); 8657 cportinfo->cport_state &= ~SATA_STATE_PROBING; 8658 8659 /* 8660 * Sanity check - Port is active? Is the link active? 8661 * Is there any device attached? 8662 */ 8663 if ((cportinfo->cport_state & 8664 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) || 8665 (cportinfo->cport_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != 8666 SATA_PORT_DEVLINK_UP) { 8667 /* 8668 * Port in non-usable state or no link active/no device. 8669 * Free info structure if necessary (direct attached drive 8670 * only, for now! 8671 */ 8672 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 8673 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 8674 /* Add here differentiation for device attached or not */ 8675 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 8676 mutex_exit(&cportinfo->cport_mutex); 8677 if (sdinfo != NULL) 8678 kmem_free(sdinfo, sizeof (sata_drive_info_t)); 8679 return (SATA_SUCCESS); 8680 } 8681 8682 cportinfo->cport_state |= SATA_STATE_READY; 8683 cportinfo->cport_dev_type = sata_device->satadev_type; 8684 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 8685 8686 /* 8687 * If we are re-probing the port, there may be 8688 * sata_drive_info structure attached 8689 * (or sata_pm_info, if PMult is supported). 8690 */ 8691 if (sata_device->satadev_type == SATA_DTYPE_NONE) { 8692 /* 8693 * There is no device, so remove device info structure, 8694 * if necessary. 8695 * Only direct attached drive is considered now, until 8696 * port multiplier is supported. If the previously 8697 * attached device was a port multiplier, we would need 8698 * to take care of devices attached beyond the port 8699 * multiplier. 8700 */ 8701 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 8702 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 8703 if (sdinfo != NULL) { 8704 kmem_free(sdinfo, sizeof (sata_drive_info_t)); 8705 sata_log(sata_hba_inst, CE_WARN, 8706 "SATA device detached " 8707 "from port %d", cportinfo->cport_addr.cport); 8708 } 8709 mutex_exit(&cportinfo->cport_mutex); 8710 return (SATA_SUCCESS); 8711 } 8712 8713 if (sata_device->satadev_type != SATA_DTYPE_PMULT) { 8714 if (sdinfo == NULL) { 8715 /* 8716 * There is some device attached, but there is 8717 * no sata_drive_info structure - allocate one 8718 */ 8719 mutex_exit(&cportinfo->cport_mutex); 8720 sdinfo = kmem_zalloc( 8721 sizeof (sata_drive_info_t), KM_SLEEP); 8722 mutex_enter(&cportinfo->cport_mutex); 8723 /* 8724 * Recheck, that the port state did not change when we 8725 * released mutex. 8726 */ 8727 if (cportinfo->cport_state & SATA_STATE_READY) { 8728 SATA_CPORTINFO_DRV_INFO(cportinfo) = sdinfo; 8729 sdinfo->satadrv_addr = cportinfo->cport_addr; 8730 sdinfo->satadrv_addr.qual = SATA_ADDR_DCPORT; 8731 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 8732 sdinfo->satadrv_state = SATA_STATE_UNKNOWN; 8733 } else { 8734 /* 8735 * Port is not in ready state, we 8736 * cannot attach a device. 8737 */ 8738 mutex_exit(&cportinfo->cport_mutex); 8739 kmem_free(sdinfo, sizeof (sata_drive_info_t)); 8740 return (SATA_SUCCESS); 8741 } 8742 /* 8743 * Since we are adding device, presumably new one, 8744 * indicate that it should be initalized, 8745 * as well as some internal framework states). 8746 */ 8747 init_device = B_TRUE; 8748 } 8749 cportinfo->cport_dev_type = SATA_DTYPE_UNKNOWN; 8750 sata_device->satadev_addr.qual = sdinfo->satadrv_addr.qual; 8751 } else { 8752 /* 8753 * The device is a port multiplier - not handled now. 8754 */ 8755 cportinfo->cport_dev_type = SATA_DTYPE_UNKNOWN; 8756 mutex_exit(&cportinfo->cport_mutex); 8757 return (SATA_SUCCESS); 8758 } 8759 mutex_exit(&cportinfo->cport_mutex); 8760 /* 8761 * Figure out what kind of device we are really 8762 * dealing with. 8763 */ 8764 rval = sata_probe_device(sata_hba_inst, sata_device); 8765 8766 mutex_enter(&cportinfo->cport_mutex); 8767 if (rval == SATA_SUCCESS) { 8768 /* 8769 * If we are dealing with the same type of a device as before, 8770 * restore its settings flags. 8771 */ 8772 if (osdinfo != NULL && 8773 sata_device->satadev_type == prev_device_type) 8774 sdinfo->satadrv_settings = prev_device_settings; 8775 8776 mutex_exit(&cportinfo->cport_mutex); 8777 /* Set initial device features, if necessary */ 8778 if (init_device == B_TRUE) { 8779 rval = sata_initialize_device(sata_hba_inst, sdinfo); 8780 } 8781 if (rval == SATA_SUCCESS) 8782 return (rval); 8783 } else { 8784 /* 8785 * If there was some device info before we probe the device, 8786 * restore previous device setting, so we can retry from scratch 8787 * later. Providing, of course, that device has not disapear 8788 * during probing process. 8789 */ 8790 if (sata_device->satadev_type != SATA_DTYPE_NONE) { 8791 if (osdinfo != NULL) { 8792 cportinfo->cport_dev_type = prev_device_type; 8793 sdinfo->satadrv_type = prev_device_type; 8794 sdinfo->satadrv_state = prev_device_state; 8795 } 8796 } else { 8797 /* device is gone */ 8798 kmem_free(sdinfo, sizeof (sata_drive_info_t)); 8799 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 8800 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 8801 mutex_exit(&cportinfo->cport_mutex); 8802 return (SATA_SUCCESS); 8803 } 8804 mutex_exit(&cportinfo->cport_mutex); 8805 } 8806 8807 if (retry) { 8808 clock_t cur_time = ddi_get_lbolt(); 8809 /* 8810 * A device was not successfully identified or initialized. 8811 * Track retry time for device identification. 8812 */ 8813 if ((cur_time - start_time) < 8814 drv_usectohz(SATA_DEV_REPROBE_TIMEOUT)) { 8815 /* sleep for a while */ 8816 delay(drv_usectohz(SATA_DEV_RETRY_DLY)); 8817 goto retry_probe; 8818 } else { 8819 mutex_enter(&cportinfo->cport_mutex); 8820 if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) 8821 SATA_CPORTINFO_DRV_INFO(cportinfo)-> 8822 satadrv_state = SATA_DSTATE_FAILED; 8823 mutex_exit(&cportinfo->cport_mutex); 8824 } 8825 } 8826 return (SATA_SUCCESS); 8827 } 8828 8829 /* 8830 * Initialize device 8831 * Specified device is initialized to a default state. 8832 * 8833 * Returns SATA_SUCCESS if all device features are set successfully, 8834 * SATA_FAILURE otherwise 8835 */ 8836 static int 8837 sata_initialize_device(sata_hba_inst_t *sata_hba_inst, 8838 sata_drive_info_t *sdinfo) 8839 { 8840 int rval; 8841 8842 sata_save_drive_settings(sdinfo); 8843 8844 sdinfo->satadrv_settings |= SATA_DEV_READ_AHEAD; 8845 8846 sata_init_write_cache_mode(sdinfo); 8847 8848 rval = sata_set_drive_features(sata_hba_inst, sdinfo, 0); 8849 8850 /* Determine current data transfer mode */ 8851 if ((sdinfo->satadrv_id.ai_cap & SATA_DMA_SUPPORT) == 0) { 8852 sdinfo->satadrv_settings &= ~SATA_DEV_DMA; 8853 } else if ((sdinfo->satadrv_id.ai_validinfo & 8854 SATA_VALIDINFO_88) != 0 && 8855 (sdinfo->satadrv_id.ai_ultradma & SATA_UDMA_SEL_MASK) != 0) { 8856 sdinfo->satadrv_settings |= SATA_DEV_DMA; 8857 } else if ((sdinfo->satadrv_id.ai_dworddma & 8858 SATA_MDMA_SEL_MASK) != 0) { 8859 sdinfo->satadrv_settings |= SATA_DEV_DMA; 8860 } else 8861 /* DMA supported, not no DMA transfer mode is selected !? */ 8862 sdinfo->satadrv_settings &= ~SATA_DEV_DMA; 8863 8864 return (rval); 8865 } 8866 8867 8868 /* 8869 * Initialize write cache mode. 8870 * 8871 * The default write cache setting for SATA HDD is provided by sata_write_cache 8872 * static variable. ATAPI CD/DVDs devices have write cache default is 8873 * determined by sata_atapicdvd_write_cache static variable. 8874 * 1 - enable 8875 * 0 - disable 8876 * any other value - current drive setting 8877 * 8878 * Although there is not reason to disable write cache on CD/DVD devices, 8879 * the default setting control is provided for the maximun flexibility. 8880 * 8881 * In the future, it may be overridden by the 8882 * disk-write-cache-enable property setting, if it is defined. 8883 * Returns SATA_SUCCESS if all device features are set successfully, 8884 * SATA_FAILURE otherwise. 8885 */ 8886 static void 8887 sata_init_write_cache_mode(sata_drive_info_t *sdinfo) 8888 { 8889 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 8890 if (sata_write_cache == 1) 8891 sdinfo->satadrv_settings |= SATA_DEV_WRITE_CACHE; 8892 else if (sata_write_cache == 0) 8893 sdinfo->satadrv_settings &= ~SATA_DEV_WRITE_CACHE; 8894 /* 8895 * When sata_write_cache value is not 0 or 1, 8896 * a current setting of the drive's write cache is used. 8897 */ 8898 } else { /* Assume ATAPI CD/DVD device */ 8899 if (sata_atapicdvd_write_cache == 1) 8900 sdinfo->satadrv_settings |= SATA_DEV_WRITE_CACHE; 8901 else if (sata_atapicdvd_write_cache == 0) 8902 sdinfo->satadrv_settings &= ~SATA_DEV_WRITE_CACHE; 8903 /* 8904 * When sata_write_cache value is not 0 or 1, 8905 * a current setting of the drive's write cache is used. 8906 */ 8907 } 8908 } 8909 8910 8911 /* 8912 * Validate sata address. 8913 * Specified cport, pmport and qualifier has to match 8914 * passed sata_scsi configuration info. 8915 * The presence of an attached device is not verified. 8916 * 8917 * Returns 0 when address is valid, -1 otherwise. 8918 */ 8919 static int 8920 sata_validate_sata_address(sata_hba_inst_t *sata_hba_inst, int cport, 8921 int pmport, int qual) 8922 { 8923 if (qual == SATA_ADDR_DCPORT && pmport != 0) 8924 goto invalid_address; 8925 if (cport >= SATA_NUM_CPORTS(sata_hba_inst)) 8926 goto invalid_address; 8927 if ((qual == SATA_ADDR_DPMPORT || qual == SATA_ADDR_PMPORT) && 8928 ((SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) != SATA_DTYPE_PMULT) || 8929 (SATA_PMULT_INFO(sata_hba_inst, cport) == NULL) || 8930 (pmport >= SATA_NUM_PMPORTS(sata_hba_inst, cport)))) 8931 goto invalid_address; 8932 8933 return (0); 8934 8935 invalid_address: 8936 return (-1); 8937 8938 } 8939 8940 /* 8941 * Validate scsi address 8942 * SCSI target address is translated into SATA cport/pmport and compared 8943 * with a controller port/device configuration. LUN has to be 0. 8944 * Returns 0 if a scsi target refers to an attached device, 8945 * returns 1 if address is valid but device is not attached, 8946 * returns -1 if bad address or device is of an unsupported type. 8947 * Upon return sata_device argument is set. 8948 */ 8949 static int 8950 sata_validate_scsi_address(sata_hba_inst_t *sata_hba_inst, 8951 struct scsi_address *ap, sata_device_t *sata_device) 8952 { 8953 int cport, pmport, qual, rval; 8954 8955 rval = -1; /* Invalid address */ 8956 if (ap->a_lun != 0) 8957 goto out; 8958 8959 qual = SCSI_TO_SATA_ADDR_QUAL(ap->a_target); 8960 cport = SCSI_TO_SATA_CPORT(ap->a_target); 8961 pmport = SCSI_TO_SATA_PMPORT(ap->a_target); 8962 8963 if (qual != SATA_ADDR_DCPORT && qual != SATA_ADDR_DPMPORT) 8964 goto out; 8965 8966 if (sata_validate_sata_address(sata_hba_inst, cport, pmport, qual) == 8967 0) { 8968 8969 sata_cport_info_t *cportinfo; 8970 sata_pmult_info_t *pmultinfo; 8971 sata_drive_info_t *sdinfo = NULL; 8972 8973 rval = 1; /* Valid sata address */ 8974 8975 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 8976 if (qual == SATA_ADDR_DCPORT) { 8977 if (cportinfo == NULL || 8978 cportinfo->cport_dev_type == SATA_DTYPE_NONE) 8979 goto out; 8980 8981 if (cportinfo->cport_dev_type == SATA_DTYPE_PMULT || 8982 (cportinfo->cport_dev_type & 8983 SATA_VALID_DEV_TYPE) == 0) { 8984 rval = -1; 8985 goto out; 8986 } 8987 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 8988 8989 } else if (qual == SATA_ADDR_DPMPORT) { 8990 pmultinfo = SATA_CPORTINFO_PMULT_INFO(cportinfo); 8991 if (pmultinfo == NULL) { 8992 rval = -1; 8993 goto out; 8994 } 8995 if (SATA_PMPORT_INFO(sata_hba_inst, cport, pmport) == 8996 NULL || 8997 SATA_PMPORT_DEV_TYPE(sata_hba_inst, cport, 8998 pmport) == SATA_DTYPE_NONE) 8999 goto out; 9000 9001 sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, cport, 9002 pmport); 9003 } else { 9004 rval = -1; 9005 goto out; 9006 } 9007 if ((sdinfo == NULL) || 9008 (sdinfo->satadrv_type & SATA_VALID_DEV_TYPE) == 0) 9009 goto out; 9010 9011 sata_device->satadev_type = sdinfo->satadrv_type; 9012 sata_device->satadev_addr.qual = qual; 9013 sata_device->satadev_addr.cport = cport; 9014 sata_device->satadev_addr.pmport = pmport; 9015 sata_device->satadev_rev = SATA_DEVICE_REV_1; 9016 return (0); 9017 } 9018 out: 9019 if (rval == 1) { 9020 SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, 9021 "sata_validate_scsi_address: no valid target %x lun %x", 9022 ap->a_target, ap->a_lun); 9023 } 9024 return (rval); 9025 } 9026 9027 /* 9028 * Find dip corresponding to passed device number 9029 * 9030 * Returns NULL if invalid device number is passed or device cannot be found, 9031 * Returns dip is device is found. 9032 */ 9033 static dev_info_t * 9034 sata_devt_to_devinfo(dev_t dev) 9035 { 9036 dev_info_t *dip; 9037 #ifndef __lock_lint 9038 struct devnames *dnp; 9039 major_t major = getmajor(dev); 9040 int instance = SATA_MINOR2INSTANCE(getminor(dev)); 9041 9042 if (major >= devcnt) 9043 return (NULL); 9044 9045 dnp = &devnamesp[major]; 9046 LOCK_DEV_OPS(&(dnp->dn_lock)); 9047 dip = dnp->dn_head; 9048 while (dip && (ddi_get_instance(dip) != instance)) { 9049 dip = ddi_get_next(dip); 9050 } 9051 UNLOCK_DEV_OPS(&(dnp->dn_lock)); 9052 #endif 9053 9054 return (dip); 9055 } 9056 9057 9058 /* 9059 * Probe device. 9060 * This function issues Identify Device command and initializes local 9061 * sata_drive_info structure if the device can be identified. 9062 * The device type is determined by examining Identify Device 9063 * command response. 9064 * If the sata_hba_inst has linked drive info structure for this 9065 * device address, the Identify Device data is stored into sata_drive_info 9066 * structure linked to the port info structure. 9067 * 9068 * sata_device has to refer to the valid sata port(s) for HBA described 9069 * by sata_hba_inst structure. 9070 * 9071 * Returns: 9072 * SATA_SUCCESS if device type was successfully probed and port-linked 9073 * drive info structure was updated; 9074 * SATA_FAILURE if there is no device, or device was not probed 9075 * successully; 9076 * SATA_RETRY if device probe can be retried later. 9077 * If a device cannot be identified, sata_device's dev_state and dev_type 9078 * fields are set to unknown. 9079 * There are no retries in this function. Any retries should be managed by 9080 * the caller. 9081 */ 9082 9083 9084 static int 9085 sata_probe_device(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) 9086 { 9087 sata_drive_info_t *sdinfo; 9088 sata_drive_info_t new_sdinfo; /* local drive info struct */ 9089 int rval; 9090 9091 ASSERT((SATA_CPORT_STATE(sata_hba_inst, 9092 sata_device->satadev_addr.cport) & 9093 (SATA_STATE_PROBED | SATA_STATE_READY)) != 0); 9094 9095 sata_device->satadev_type = SATA_DTYPE_NONE; 9096 9097 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 9098 sata_device->satadev_addr.cport))); 9099 9100 /* Get pointer to port-linked sata device info structure */ 9101 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 9102 if (sdinfo != NULL) { 9103 sdinfo->satadrv_state &= 9104 ~(SATA_STATE_PROBED | SATA_STATE_READY); 9105 sdinfo->satadrv_state |= SATA_STATE_PROBING; 9106 } else { 9107 /* No device to probe */ 9108 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 9109 sata_device->satadev_addr.cport))); 9110 sata_device->satadev_type = SATA_DTYPE_NONE; 9111 sata_device->satadev_state = SATA_STATE_UNKNOWN; 9112 return (SATA_FAILURE); 9113 } 9114 /* 9115 * Need to issue both types of identify device command and 9116 * determine device type by examining retreived data/status. 9117 * First, ATA Identify Device. 9118 */ 9119 bzero(&new_sdinfo, sizeof (sata_drive_info_t)); 9120 new_sdinfo.satadrv_addr = sata_device->satadev_addr; 9121 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 9122 sata_device->satadev_addr.cport))); 9123 new_sdinfo.satadrv_type = SATA_DTYPE_ATADISK; 9124 rval = sata_identify_device(sata_hba_inst, &new_sdinfo); 9125 if (rval == SATA_RETRY) { 9126 /* We may try to check for ATAPI device */ 9127 if (SATA_FEATURES(sata_hba_inst) & SATA_CTLF_ATAPI) { 9128 /* 9129 * HBA supports ATAPI - try to issue Identify Packet 9130 * Device command. 9131 */ 9132 new_sdinfo.satadrv_type = SATA_DTYPE_ATAPICD; 9133 rval = sata_identify_device(sata_hba_inst, &new_sdinfo); 9134 } 9135 } 9136 if (rval == SATA_SUCCESS) { 9137 /* 9138 * Got something responding positively to ATA Identify Device 9139 * or to Identify Packet Device cmd. 9140 * Save last used device type. 9141 */ 9142 sata_device->satadev_type = new_sdinfo.satadrv_type; 9143 9144 /* save device info, if possible */ 9145 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 9146 sata_device->satadev_addr.cport))); 9147 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 9148 if (sdinfo == NULL) { 9149 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 9150 sata_device->satadev_addr.cport))); 9151 return (SATA_FAILURE); 9152 } 9153 /* 9154 * Copy drive info into the port-linked drive info structure. 9155 */ 9156 *sdinfo = new_sdinfo; 9157 sdinfo->satadrv_state &= ~SATA_STATE_PROBING; 9158 sdinfo->satadrv_state |= SATA_STATE_PROBED; 9159 if (sata_device->satadev_addr.qual == SATA_ADDR_DCPORT) 9160 SATA_CPORT_DEV_TYPE(sata_hba_inst, 9161 sata_device->satadev_addr.cport) = 9162 sdinfo->satadrv_type; 9163 else /* SATA_ADDR_DPMPORT */ 9164 SATA_PMPORT_DEV_TYPE(sata_hba_inst, 9165 sata_device->satadev_addr.cport, 9166 sata_device->satadev_addr.pmport) = 9167 sdinfo->satadrv_type; 9168 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 9169 sata_device->satadev_addr.cport))); 9170 return (SATA_SUCCESS); 9171 } 9172 9173 /* 9174 * It may be SATA_RETRY or SATA_FAILURE return. 9175 * Looks like we cannot determine the device type at this time. 9176 */ 9177 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 9178 sata_device->satadev_addr.cport))); 9179 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 9180 if (sdinfo != NULL) { 9181 sata_device->satadev_type = SATA_DTYPE_UNKNOWN; 9182 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 9183 sdinfo->satadrv_state &= ~SATA_STATE_PROBING; 9184 sdinfo->satadrv_state |= SATA_STATE_PROBED; 9185 if (sata_device->satadev_addr.qual == SATA_ADDR_DCPORT) 9186 SATA_CPORT_DEV_TYPE(sata_hba_inst, 9187 sata_device->satadev_addr.cport) = 9188 SATA_DTYPE_UNKNOWN; 9189 else { 9190 /* SATA_ADDR_DPMPORT */ 9191 if ((SATA_PMULT_INFO(sata_hba_inst, 9192 sata_device->satadev_addr.cport) != NULL) && 9193 (SATA_PMPORT_INFO(sata_hba_inst, 9194 sata_device->satadev_addr.cport, 9195 sata_device->satadev_addr.pmport) != NULL)) 9196 SATA_PMPORT_DEV_TYPE(sata_hba_inst, 9197 sata_device->satadev_addr.cport, 9198 sata_device->satadev_addr.pmport) = 9199 SATA_DTYPE_UNKNOWN; 9200 } 9201 } 9202 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 9203 sata_device->satadev_addr.cport))); 9204 return (rval); 9205 } 9206 9207 9208 /* 9209 * Get pointer to sata_drive_info structure. 9210 * 9211 * The sata_device has to contain address (cport, pmport and qualifier) for 9212 * specified sata_scsi structure. 9213 * 9214 * Returns NULL if device address is not valid for this HBA configuration. 9215 * Otherwise, returns a pointer to sata_drive_info structure. 9216 * 9217 * This function should be called with a port mutex held. 9218 */ 9219 static sata_drive_info_t * 9220 sata_get_device_info(sata_hba_inst_t *sata_hba_inst, 9221 sata_device_t *sata_device) 9222 { 9223 uint8_t cport = sata_device->satadev_addr.cport; 9224 uint8_t pmport = sata_device->satadev_addr.pmport; 9225 uint8_t qual = sata_device->satadev_addr.qual; 9226 9227 if (cport >= SATA_NUM_CPORTS(sata_hba_inst)) 9228 return (NULL); 9229 9230 if (!(SATA_CPORT_STATE(sata_hba_inst, cport) & 9231 (SATA_STATE_PROBED | SATA_STATE_READY))) 9232 /* Port not probed yet */ 9233 return (NULL); 9234 9235 if (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) == SATA_DTYPE_NONE) 9236 return (NULL); 9237 9238 if (qual == SATA_ADDR_DCPORT) { 9239 /* Request for a device on a controller port */ 9240 if (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) == 9241 SATA_DTYPE_PMULT) 9242 /* Port multiplier attached */ 9243 return (NULL); 9244 return (SATA_CPORT_DRV_INFO(sata_hba_inst, cport)); 9245 } 9246 if (qual == SATA_ADDR_DPMPORT) { 9247 if (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) != 9248 SATA_DTYPE_PMULT) 9249 return (NULL); 9250 9251 if (pmport > SATA_NUM_PMPORTS(sata_hba_inst, cport)) 9252 return (NULL); 9253 9254 return (SATA_PMPORT_DRV_INFO(sata_hba_inst, cport, pmport)); 9255 } 9256 9257 /* we should not get here */ 9258 return (NULL); 9259 } 9260 9261 9262 /* 9263 * sata_identify_device. 9264 * Send Identify Device command to SATA HBA driver. 9265 * If command executes successfully, update sata_drive_info structure pointed 9266 * to by sdinfo argument, including Identify Device data. 9267 * If command fails, invalidate data in sata_drive_info. 9268 * 9269 * Cannot be called from interrupt level. 9270 * 9271 * Returns: 9272 * SATA_SUCCESS if the device was identified as a supported device, 9273 * SATA_RETRY if the device was not identified but could be retried, 9274 * SATA_FAILURE if the device was not identified and identify attempt 9275 * should not be retried. 9276 */ 9277 static int 9278 sata_identify_device(sata_hba_inst_t *sata_hba_inst, 9279 sata_drive_info_t *sdinfo) 9280 { 9281 uint16_t cfg_word; 9282 int rval; 9283 9284 /* fetch device identify data */ 9285 if ((rval = sata_fetch_device_identify_data(sata_hba_inst, 9286 sdinfo)) != 0) 9287 goto fail_unknown; 9288 9289 cfg_word = sdinfo->satadrv_id.ai_config; 9290 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK && 9291 (cfg_word & SATA_ATA_TYPE_MASK) != SATA_ATA_TYPE) { 9292 /* Change device type to reflect Identify Device data */ 9293 if (((cfg_word & SATA_ATAPI_TYPE_MASK) == 9294 SATA_ATAPI_TYPE) && 9295 ((cfg_word & SATA_ATAPI_ID_DEV_TYPE) == 9296 SATA_ATAPI_CDROM_DEV)) { 9297 sdinfo->satadrv_type = SATA_DTYPE_ATAPICD; 9298 } else { 9299 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 9300 } 9301 } else if (sdinfo->satadrv_type == SATA_DTYPE_ATAPICD && 9302 (((cfg_word & SATA_ATAPI_TYPE_MASK) != SATA_ATAPI_TYPE) || 9303 ((cfg_word & SATA_ATAPI_ID_DEV_TYPE) != SATA_ATAPI_CDROM_DEV))) { 9304 /* Change device type to reflect Identify Device data ! */ 9305 if ((sdinfo->satadrv_id.ai_config & SATA_ATA_TYPE_MASK) == 9306 SATA_ATA_TYPE) { 9307 sdinfo->satadrv_type = SATA_DTYPE_ATADISK; 9308 } else { 9309 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 9310 } 9311 } 9312 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 9313 if (sdinfo->satadrv_capacity == 0) { 9314 /* Non-LBA disk. Too bad... */ 9315 sata_log(sata_hba_inst, CE_WARN, 9316 "SATA disk device at port %d does not support LBA", 9317 sdinfo->satadrv_addr.cport); 9318 rval = SATA_FAILURE; 9319 goto fail_unknown; 9320 } 9321 } 9322 #if 0 9323 /* Left for historical reason */ 9324 /* 9325 * Some initial version of SATA spec indicated that at least 9326 * UDMA mode 4 has to be supported. It is not metioned in 9327 * SerialATA 2.6, so this restriction is removed. 9328 */ 9329 /* Check for Ultra DMA modes 6 through 0 being supported */ 9330 for (i = 6; i >= 0; --i) { 9331 if (sdinfo->satadrv_id.ai_ultradma & (1 << i)) 9332 break; 9333 } 9334 9335 /* 9336 * At least UDMA 4 mode has to be supported. If mode 4 or 9337 * higher are not supported by the device, fail this 9338 * device. 9339 */ 9340 if (i < 4) { 9341 /* No required Ultra DMA mode supported */ 9342 sata_log(sata_hba_inst, CE_WARN, 9343 "SATA disk device at port %d does not support UDMA " 9344 "mode 4 or higher", sdinfo->satadrv_addr.cport); 9345 SATA_LOG_D((sata_hba_inst, CE_WARN, 9346 "mode 4 or higher required, %d supported", i)); 9347 rval = SATA_FAILURE; 9348 goto fail_unknown; 9349 } 9350 #endif 9351 9352 return (SATA_SUCCESS); 9353 9354 fail_unknown: 9355 /* Invalidate sata_drive_info ? */ 9356 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 9357 sdinfo->satadrv_state = SATA_STATE_UNKNOWN; 9358 return (rval); 9359 } 9360 9361 /* 9362 * Log/display device information 9363 */ 9364 static void 9365 sata_show_drive_info(sata_hba_inst_t *sata_hba_inst, 9366 sata_drive_info_t *sdinfo) 9367 { 9368 int valid_version; 9369 char msg_buf[MAXPATHLEN]; 9370 int i; 9371 9372 /* Show HBA path */ 9373 (void) ddi_pathname(SATA_DIP(sata_hba_inst), msg_buf); 9374 9375 cmn_err(CE_CONT, "?%s :\n", msg_buf); 9376 9377 if (sdinfo->satadrv_type == SATA_DTYPE_UNKNOWN) { 9378 (void) sprintf(msg_buf, 9379 "Unsupported SATA device type (cfg 0x%x) at ", 9380 sdinfo->satadrv_id.ai_config); 9381 } else { 9382 (void) sprintf(msg_buf, "SATA %s device at", 9383 sdinfo->satadrv_type == SATA_DTYPE_ATADISK ? 9384 "disk":"CD/DVD (ATAPI)"); 9385 } 9386 if (sdinfo->satadrv_addr.qual == SATA_ADDR_DCPORT) 9387 cmn_err(CE_CONT, "?\t%s port %d\n", 9388 msg_buf, sdinfo->satadrv_addr.cport); 9389 else 9390 cmn_err(CE_CONT, "?\t%s port %d pmport %d\n", 9391 msg_buf, sdinfo->satadrv_addr.cport, 9392 sdinfo->satadrv_addr.pmport); 9393 9394 bcopy(&sdinfo->satadrv_id.ai_model, msg_buf, 9395 sizeof (sdinfo->satadrv_id.ai_model)); 9396 swab(msg_buf, msg_buf, sizeof (sdinfo->satadrv_id.ai_model)); 9397 msg_buf[sizeof (sdinfo->satadrv_id.ai_model)] = '\0'; 9398 cmn_err(CE_CONT, "?\tmodel %s\n", msg_buf); 9399 9400 bcopy(&sdinfo->satadrv_id.ai_fw, msg_buf, 9401 sizeof (sdinfo->satadrv_id.ai_fw)); 9402 swab(msg_buf, msg_buf, sizeof (sdinfo->satadrv_id.ai_fw)); 9403 msg_buf[sizeof (sdinfo->satadrv_id.ai_fw)] = '\0'; 9404 cmn_err(CE_CONT, "?\tfirmware %s\n", msg_buf); 9405 9406 bcopy(&sdinfo->satadrv_id.ai_drvser, msg_buf, 9407 sizeof (sdinfo->satadrv_id.ai_drvser)); 9408 swab(msg_buf, msg_buf, sizeof (sdinfo->satadrv_id.ai_drvser)); 9409 msg_buf[sizeof (sdinfo->satadrv_id.ai_drvser)] = '\0'; 9410 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 9411 cmn_err(CE_CONT, "?\tserial number %s\n", msg_buf); 9412 } else { 9413 /* Assuming ATAPI CD/DVD */ 9414 /* 9415 * SOme drives do not implement serial number and may 9416 * violate the spec by provinding spaces rather than zeros 9417 * in serial number field. Scan the buffer to detect it. 9418 */ 9419 for (i = 0; i < sizeof (sdinfo->satadrv_id.ai_drvser); i++) { 9420 if (msg_buf[i] != '\0' && msg_buf[i] != ' ') 9421 break; 9422 } 9423 if (i == sizeof (sdinfo->satadrv_id.ai_drvser)) { 9424 cmn_err(CE_CONT, "?\tserial number - none\n"); 9425 } else { 9426 cmn_err(CE_CONT, "?\tserial number %s\n", msg_buf); 9427 } 9428 } 9429 9430 #ifdef SATA_DEBUG 9431 if (sdinfo->satadrv_id.ai_majorversion != 0 && 9432 sdinfo->satadrv_id.ai_majorversion != 0xffff) { 9433 int i; 9434 for (i = 14; i >= 2; i--) { 9435 if (sdinfo->satadrv_id.ai_majorversion & (1 << i)) { 9436 valid_version = i; 9437 break; 9438 } 9439 } 9440 cmn_err(CE_CONT, 9441 "?\tATA/ATAPI-%d supported, majver 0x%x minver 0x%x\n", 9442 valid_version, 9443 sdinfo->satadrv_id.ai_majorversion, 9444 sdinfo->satadrv_id.ai_minorversion); 9445 } 9446 #endif 9447 /* Log some info */ 9448 cmn_err(CE_CONT, "?\tsupported features:\n"); 9449 msg_buf[0] = '\0'; 9450 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 9451 if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) 9452 (void) strlcat(msg_buf, "48-bit LBA, ", MAXPATHLEN); 9453 else if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA28) 9454 (void) strlcat(msg_buf, "28-bit LBA, ", MAXPATHLEN); 9455 } 9456 if (sdinfo->satadrv_features_support & SATA_DEV_F_DMA) 9457 (void) strlcat(msg_buf, "DMA", MAXPATHLEN); 9458 if (sdinfo->satadrv_features_support & SATA_DEV_F_NCQ) 9459 (void) strlcat(msg_buf, ", Native Command Queueing", 9460 MAXPATHLEN); 9461 if (sdinfo->satadrv_features_support & SATA_DEV_F_TCQ) 9462 (void) strlcat(msg_buf, ", Legacy Tagged Queuing", MAXPATHLEN); 9463 if ((sdinfo->satadrv_id.ai_cmdset82 & SATA_SMART_SUPPORTED) && 9464 (sdinfo->satadrv_id.ai_features85 & SATA_SMART_ENABLED)) 9465 (void) strlcat(msg_buf, ", SMART", MAXPATHLEN); 9466 if ((sdinfo->satadrv_id.ai_cmdset84 & SATA_SMART_SELF_TEST_SUPPORTED) && 9467 (sdinfo->satadrv_id.ai_features87 & SATA_SMART_SELF_TEST_SUPPORTED)) 9468 (void) strlcat(msg_buf, ", SMART self-test", MAXPATHLEN); 9469 cmn_err(CE_CONT, "?\t %s\n", msg_buf); 9470 if (sdinfo->satadrv_features_support & SATA_DEV_F_SATA2) 9471 cmn_err(CE_CONT, "?\tSATA Gen2 signaling speed (3.0Gbps)\n"); 9472 else if (sdinfo->satadrv_features_support & SATA_DEV_F_SATA1) 9473 cmn_err(CE_CONT, "?\tSATA Gen1 signaling speed (1.5Gbps)\n"); 9474 if (sdinfo->satadrv_features_support & 9475 (SATA_DEV_F_TCQ | SATA_DEV_F_NCQ)) { 9476 msg_buf[0] = '\0'; 9477 (void) snprintf(msg_buf, MAXPATHLEN, 9478 "Supported queue depth %d", 9479 sdinfo->satadrv_queue_depth); 9480 if (!(sata_func_enable & 9481 (SATA_ENABLE_QUEUING | SATA_ENABLE_NCQ))) 9482 (void) strlcat(msg_buf, 9483 " - queueing disabled globally", MAXPATHLEN); 9484 else if (sdinfo->satadrv_queue_depth > 9485 sdinfo->satadrv_max_queue_depth) { 9486 (void) snprintf(&msg_buf[strlen(msg_buf)], 9487 MAXPATHLEN - strlen(msg_buf), ", limited to %d", 9488 (int)sdinfo->satadrv_max_queue_depth); 9489 } 9490 cmn_err(CE_CONT, "?\t%s\n", msg_buf); 9491 } 9492 9493 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 9494 #ifdef __i386 9495 (void) sprintf(msg_buf, "\tcapacity = %llu sectors\n", 9496 sdinfo->satadrv_capacity); 9497 #else 9498 (void) sprintf(msg_buf, "\tcapacity = %lu sectors\n", 9499 sdinfo->satadrv_capacity); 9500 #endif 9501 cmn_err(CE_CONT, "?%s", msg_buf); 9502 } 9503 } 9504 9505 9506 /* 9507 * sata_save_drive_settings extracts current setting of the device and stores 9508 * it for future reference, in case the device setup would need to be restored 9509 * after the device reset. 9510 * 9511 * For all devices read ahead and write cache settings are saved, if the 9512 * device supports these features at all. 9513 * For ATAPI devices the Removable Media Status Notification setting is saved. 9514 */ 9515 static void 9516 sata_save_drive_settings(sata_drive_info_t *sdinfo) 9517 { 9518 if ((sdinfo->satadrv_id.ai_cmdset82 & SATA_LOOK_AHEAD) || 9519 (sdinfo->satadrv_id.ai_cmdset82 & SATA_WRITE_CACHE)) { 9520 9521 /* Current setting of Read Ahead (and Read Cache) */ 9522 if (sdinfo->satadrv_id.ai_features85 & SATA_LOOK_AHEAD) 9523 sdinfo->satadrv_settings |= SATA_DEV_READ_AHEAD; 9524 else 9525 sdinfo->satadrv_settings &= ~SATA_DEV_READ_AHEAD; 9526 9527 /* Current setting of Write Cache */ 9528 if (sdinfo->satadrv_id.ai_features85 & SATA_WRITE_CACHE) 9529 sdinfo->satadrv_settings |= SATA_DEV_WRITE_CACHE; 9530 else 9531 sdinfo->satadrv_settings &= ~SATA_DEV_WRITE_CACHE; 9532 } 9533 9534 if (sdinfo->satadrv_type == SATA_DTYPE_ATAPICD) { 9535 if (sdinfo->satadrv_id.ai_cmdset83 & SATA_RM_STATUS_NOTIFIC) 9536 sdinfo->satadrv_settings |= SATA_DEV_RMSN; 9537 else 9538 sdinfo->satadrv_settings &= ~SATA_DEV_RMSN; 9539 } 9540 } 9541 9542 9543 /* 9544 * sata_check_capacity function determines a disk capacity 9545 * and addressing mode (LBA28/LBA48) by examining a disk identify device data. 9546 * 9547 * NOTE: CHS mode is not supported! If a device does not support LBA, 9548 * this function is not called. 9549 * 9550 * Returns device capacity in number of blocks, i.e. largest addressable LBA+1 9551 */ 9552 static uint64_t 9553 sata_check_capacity(sata_drive_info_t *sdinfo) 9554 { 9555 uint64_t capacity = 0; 9556 int i; 9557 9558 if (sdinfo->satadrv_type != SATA_DTYPE_ATADISK || 9559 !sdinfo->satadrv_id.ai_cap & SATA_LBA_SUPPORT) 9560 /* Capacity valid only for LBA-addressable disk devices */ 9561 return (0); 9562 9563 if ((sdinfo->satadrv_id.ai_validinfo & SATA_VALIDINFO_88) && 9564 (sdinfo->satadrv_id.ai_cmdset83 & SATA_EXT48) && 9565 (sdinfo->satadrv_id.ai_features86 & SATA_EXT48)) { 9566 /* LBA48 mode supported and enabled */ 9567 sdinfo->satadrv_features_support |= SATA_DEV_F_LBA48 | 9568 SATA_DEV_F_LBA28; 9569 for (i = 3; i >= 0; --i) { 9570 capacity <<= 16; 9571 capacity += sdinfo->satadrv_id.ai_addrsecxt[i]; 9572 } 9573 } else { 9574 capacity = sdinfo->satadrv_id.ai_addrsec[1]; 9575 capacity <<= 16; 9576 capacity += sdinfo->satadrv_id.ai_addrsec[0]; 9577 if (capacity >= 0x1000000) 9578 /* LBA28 mode */ 9579 sdinfo->satadrv_features_support |= SATA_DEV_F_LBA28; 9580 } 9581 return (capacity); 9582 } 9583 9584 9585 /* 9586 * Allocate consistent buffer for DMA transfer 9587 * 9588 * Cannot be called from interrupt level or with mutex held - it may sleep. 9589 * 9590 * Returns pointer to allocated buffer structure, or NULL if allocation failed. 9591 */ 9592 static struct buf * 9593 sata_alloc_local_buffer(sata_pkt_txlate_t *spx, int len) 9594 { 9595 struct scsi_address ap; 9596 struct buf *bp; 9597 ddi_dma_attr_t cur_dma_attr; 9598 9599 ASSERT(spx->txlt_sata_pkt != NULL); 9600 ap.a_hba_tran = spx->txlt_sata_hba_inst->satahba_scsi_tran; 9601 ap.a_target = SATA_TO_SCSI_TARGET( 9602 spx->txlt_sata_pkt->satapkt_device.satadev_addr.cport, 9603 spx->txlt_sata_pkt->satapkt_device.satadev_addr.pmport, 9604 spx->txlt_sata_pkt->satapkt_device.satadev_addr.qual); 9605 ap.a_lun = 0; 9606 9607 bp = scsi_alloc_consistent_buf(&ap, NULL, len, 9608 B_READ, SLEEP_FUNC, NULL); 9609 9610 if (bp != NULL) { 9611 /* Allocate DMA resources for this buffer */ 9612 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = bp; 9613 /* 9614 * We use a local version of the dma_attr, to account 9615 * for a device addressing limitations. 9616 * sata_adjust_dma_attr() will handle sdinfo == NULL which 9617 * will cause dma attributes to be adjusted to a lowest 9618 * acceptable level. 9619 */ 9620 sata_adjust_dma_attr(NULL, 9621 SATA_DMA_ATTR(spx->txlt_sata_hba_inst), &cur_dma_attr); 9622 9623 if (sata_dma_buf_setup(spx, PKT_CONSISTENT, 9624 SLEEP_FUNC, NULL, &cur_dma_attr) != DDI_SUCCESS) { 9625 scsi_free_consistent_buf(bp); 9626 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; 9627 bp = NULL; 9628 } 9629 } 9630 return (bp); 9631 } 9632 9633 /* 9634 * Release local buffer (consistent buffer for DMA transfer) allocated 9635 * via sata_alloc_local_buffer(). 9636 */ 9637 static void 9638 sata_free_local_buffer(sata_pkt_txlate_t *spx) 9639 { 9640 ASSERT(spx->txlt_sata_pkt != NULL); 9641 ASSERT(spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp != NULL); 9642 9643 spx->txlt_sata_pkt->satapkt_cmd.satacmd_num_dma_cookies = 0; 9644 spx->txlt_sata_pkt->satapkt_cmd.satacmd_dma_cookie_list = NULL; 9645 9646 if (spx->txlt_buf_dma_handle != NULL) { 9647 /* Free DMA resources */ 9648 (void) ddi_dma_unbind_handle(spx->txlt_buf_dma_handle); 9649 ddi_dma_free_handle(&spx->txlt_buf_dma_handle); 9650 spx->txlt_buf_dma_handle = 0; 9651 9652 if (spx->txlt_dma_cookie_list != &spx->txlt_dma_cookie) { 9653 kmem_free(spx->txlt_dma_cookie_list, 9654 spx->txlt_dma_cookie_list_len * 9655 sizeof (ddi_dma_cookie_t)); 9656 spx->txlt_dma_cookie_list = NULL; 9657 spx->txlt_dma_cookie_list_len = 0; 9658 } 9659 } 9660 9661 /* Free buffer */ 9662 scsi_free_consistent_buf(spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp); 9663 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; 9664 } 9665 9666 9667 9668 9669 /* 9670 * Allocate sata_pkt 9671 * Pkt structure version and embedded strcutures version are initialized. 9672 * sata_pkt and sata_pkt_txlate structures are cross-linked. 9673 * 9674 * Since this may be called in interrupt context by sata_scsi_init_pkt, 9675 * callback argument determines if it can sleep or not. 9676 * Hence, it should not be called from interrupt context. 9677 * 9678 * If successful, non-NULL pointer to a sata pkt is returned. 9679 * Upon failure, NULL pointer is returned. 9680 */ 9681 static sata_pkt_t * 9682 sata_pkt_alloc(sata_pkt_txlate_t *spx, int (*callback)(caddr_t)) 9683 { 9684 sata_pkt_t *spkt; 9685 int kmsflag; 9686 9687 kmsflag = (callback == SLEEP_FUNC) ? KM_SLEEP : KM_NOSLEEP; 9688 spkt = kmem_zalloc(sizeof (sata_pkt_t), kmsflag); 9689 if (spkt == NULL) { 9690 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 9691 "sata_pkt_alloc: failed")); 9692 return (NULL); 9693 } 9694 spkt->satapkt_rev = SATA_PKT_REV; 9695 spkt->satapkt_cmd.satacmd_rev = SATA_CMD_REV; 9696 spkt->satapkt_device.satadev_rev = SATA_DEVICE_REV; 9697 spkt->satapkt_framework_private = spx; 9698 spx->txlt_sata_pkt = spkt; 9699 return (spkt); 9700 } 9701 9702 /* 9703 * Free sata pkt allocated via sata_pkt_alloc() 9704 */ 9705 static void 9706 sata_pkt_free(sata_pkt_txlate_t *spx) 9707 { 9708 ASSERT(spx->txlt_sata_pkt != NULL); 9709 ASSERT(spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp == NULL); 9710 kmem_free(spx->txlt_sata_pkt, sizeof (sata_pkt_t)); 9711 spx->txlt_sata_pkt = NULL; 9712 } 9713 9714 9715 /* 9716 * Adjust DMA attributes. 9717 * SCSI cmds block count is up to 24 bits, SATA cmd block count vary 9718 * from 8 bits to 16 bits, depending on a command being used. 9719 * Limiting max block count arbitrarily to 256 for all read/write 9720 * commands may affects performance, so check both the device and 9721 * controller capability before adjusting dma attributes. 9722 */ 9723 void 9724 sata_adjust_dma_attr(sata_drive_info_t *sdinfo, ddi_dma_attr_t *dma_attr, 9725 ddi_dma_attr_t *adj_dma_attr) 9726 { 9727 uint32_t count_max; 9728 9729 /* Copy original attributes */ 9730 *adj_dma_attr = *dma_attr; 9731 /* 9732 * Things to consider: device addressing capability, 9733 * "excessive" controller DMA capabilities. 9734 * If a device is being probed/initialized, there are 9735 * no device info - use default limits then. 9736 */ 9737 if (sdinfo == NULL) { 9738 count_max = dma_attr->dma_attr_granular * 0x100; 9739 if (dma_attr->dma_attr_count_max > count_max) 9740 adj_dma_attr->dma_attr_count_max = count_max; 9741 if (dma_attr->dma_attr_maxxfer > count_max) 9742 adj_dma_attr->dma_attr_maxxfer = count_max; 9743 return; 9744 } 9745 9746 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 9747 if (sdinfo->satadrv_features_support & (SATA_DEV_F_LBA48)) { 9748 /* 9749 * 16-bit sector count may be used - we rely on 9750 * the assumption that only read and write cmds 9751 * will request more than 256 sectors worth of data 9752 */ 9753 count_max = adj_dma_attr->dma_attr_granular * 0x10000; 9754 } else { 9755 /* 9756 * 8-bit sector count will be used - default limits 9757 * for dma attributes 9758 */ 9759 count_max = adj_dma_attr->dma_attr_granular * 0x100; 9760 } 9761 /* 9762 * Adjust controler dma attributes, if necessary 9763 */ 9764 if (dma_attr->dma_attr_count_max > count_max) 9765 adj_dma_attr->dma_attr_count_max = count_max; 9766 if (dma_attr->dma_attr_maxxfer > count_max) 9767 adj_dma_attr->dma_attr_maxxfer = count_max; 9768 } 9769 } 9770 9771 9772 /* 9773 * Allocate DMA resources for the buffer 9774 * This function handles initial DMA resource allocation as well as 9775 * DMA window shift and may be called repeatedly for the same DMA window 9776 * until all DMA cookies in the DMA window are processed. 9777 * To guarantee that there is always a coherent set of cookies to process 9778 * by SATA HBA driver (observing alignment, device granularity, etc.), 9779 * the number of slots for DMA cookies is equal to lesser of a number of 9780 * cookies in a DMA window and a max number of scatter/gather entries. 9781 * 9782 * Returns DDI_SUCCESS upon successful operation. 9783 * Return failure code of a failing command or DDI_FAILURE when 9784 * internal cleanup failed. 9785 */ 9786 static int 9787 sata_dma_buf_setup(sata_pkt_txlate_t *spx, int flags, 9788 int (*callback)(caddr_t), caddr_t arg, 9789 ddi_dma_attr_t *cur_dma_attr) 9790 { 9791 int rval; 9792 off_t offset; 9793 size_t size; 9794 int max_sg_len, req_len, i; 9795 uint_t dma_flags; 9796 struct buf *bp; 9797 uint64_t cur_txfer_len; 9798 9799 9800 ASSERT(spx->txlt_sata_pkt != NULL); 9801 bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 9802 ASSERT(bp != NULL); 9803 9804 9805 if (spx->txlt_buf_dma_handle == NULL) { 9806 /* 9807 * No DMA resources allocated so far - this is a first call 9808 * for this sata pkt. 9809 */ 9810 rval = ddi_dma_alloc_handle(SATA_DIP(spx->txlt_sata_hba_inst), 9811 cur_dma_attr, callback, arg, &spx->txlt_buf_dma_handle); 9812 9813 if (rval != DDI_SUCCESS) { 9814 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 9815 "sata_dma_buf_setup: no buf DMA resources %x", 9816 rval)); 9817 return (rval); 9818 } 9819 9820 if (bp->b_flags & B_READ) 9821 dma_flags = DDI_DMA_READ; 9822 else 9823 dma_flags = DDI_DMA_WRITE; 9824 9825 if (flags & PKT_CONSISTENT) 9826 dma_flags |= DDI_DMA_CONSISTENT; 9827 9828 if (flags & PKT_DMA_PARTIAL) 9829 dma_flags |= DDI_DMA_PARTIAL; 9830 9831 /* 9832 * Check buffer alignment and size against dma attributes 9833 * Consider dma_attr_align only. There may be requests 9834 * with the size lower than device granularity, but they 9835 * will not read/write from/to the device, so no adjustment 9836 * is necessary. The dma_attr_minxfer theoretically should 9837 * be considered, but no HBA driver is checking it. 9838 */ 9839 if (IS_P2ALIGNED(bp->b_un.b_addr, 9840 cur_dma_attr->dma_attr_align)) { 9841 rval = ddi_dma_buf_bind_handle( 9842 spx->txlt_buf_dma_handle, 9843 bp, dma_flags, callback, arg, 9844 &spx->txlt_dma_cookie, 9845 &spx->txlt_curwin_num_dma_cookies); 9846 } else { /* Buffer is not aligned */ 9847 9848 int (*ddicallback)(caddr_t); 9849 size_t bufsz; 9850 9851 /* Check id sleeping is allowed */ 9852 ddicallback = (callback == NULL_FUNC) ? 9853 DDI_DMA_DONTWAIT : DDI_DMA_SLEEP; 9854 9855 SATADBG2(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, 9856 "mis-aligned buffer: addr=0x%p, cnt=%lu", 9857 (void *)bp->b_un.b_addr, bp->b_bcount); 9858 9859 if (bp->b_flags & (B_PAGEIO|B_PHYS)) 9860 /* 9861 * CPU will need to access data in the buffer 9862 * (for copying) so map it. 9863 */ 9864 bp_mapin(bp); 9865 9866 ASSERT(spx->txlt_tmp_buf == NULL); 9867 9868 /* Buffer may be padded by ddi_dma_mem_alloc()! */ 9869 rval = ddi_dma_mem_alloc( 9870 spx->txlt_buf_dma_handle, 9871 bp->b_bcount, 9872 &sata_acc_attr, 9873 DDI_DMA_STREAMING, 9874 ddicallback, NULL, 9875 &spx->txlt_tmp_buf, 9876 &bufsz, 9877 &spx->txlt_tmp_buf_handle); 9878 9879 if (rval != DDI_SUCCESS) { 9880 /* DMA mapping failed */ 9881 (void) ddi_dma_free_handle( 9882 &spx->txlt_buf_dma_handle); 9883 spx->txlt_buf_dma_handle = NULL; 9884 #ifdef SATA_DEBUG 9885 mbuffail_count++; 9886 #endif 9887 SATADBG1(SATA_DBG_DMA_SETUP, 9888 spx->txlt_sata_hba_inst, 9889 "sata_dma_buf_setup: " 9890 "buf dma mem alloc failed %x\n", rval); 9891 return (rval); 9892 } 9893 ASSERT(IS_P2ALIGNED(spx->txlt_tmp_buf, 9894 cur_dma_attr->dma_attr_align)); 9895 9896 #ifdef SATA_DEBUG 9897 mbuf_count++; 9898 9899 if (bp->b_bcount != bufsz) 9900 /* 9901 * This will require special handling, because 9902 * DMA cookies will be based on the temporary 9903 * buffer size, not the original buffer 9904 * b_bcount, so the residue may have to 9905 * be counted differently. 9906 */ 9907 SATADBG2(SATA_DBG_DMA_SETUP, 9908 spx->txlt_sata_hba_inst, 9909 "sata_dma_buf_setup: bp size %x != " 9910 "bufsz %x\n", bp->b_bcount, bufsz); 9911 #endif 9912 if (dma_flags & DDI_DMA_WRITE) { 9913 /* 9914 * Write operation - copy data into 9915 * an aligned temporary buffer. Buffer will be 9916 * synced for device by ddi_dma_addr_bind_handle 9917 */ 9918 bcopy(bp->b_un.b_addr, spx->txlt_tmp_buf, 9919 bp->b_bcount); 9920 } 9921 9922 rval = ddi_dma_addr_bind_handle( 9923 spx->txlt_buf_dma_handle, 9924 NULL, 9925 spx->txlt_tmp_buf, 9926 bufsz, dma_flags, ddicallback, 0, 9927 &spx->txlt_dma_cookie, 9928 &spx->txlt_curwin_num_dma_cookies); 9929 } 9930 9931 switch (rval) { 9932 case DDI_DMA_PARTIAL_MAP: 9933 SATADBG1(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, 9934 "sata_dma_buf_setup: DMA Partial Map\n", NULL); 9935 /* 9936 * Partial DMA mapping. 9937 * Retrieve number of DMA windows for this request. 9938 */ 9939 if (ddi_dma_numwin(spx->txlt_buf_dma_handle, 9940 &spx->txlt_num_dma_win) != DDI_SUCCESS) { 9941 if (spx->txlt_tmp_buf != NULL) { 9942 ddi_dma_mem_free( 9943 &spx->txlt_tmp_buf_handle); 9944 spx->txlt_tmp_buf = NULL; 9945 } 9946 (void) ddi_dma_unbind_handle( 9947 spx->txlt_buf_dma_handle); 9948 (void) ddi_dma_free_handle( 9949 &spx->txlt_buf_dma_handle); 9950 spx->txlt_buf_dma_handle = NULL; 9951 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 9952 "sata_dma_buf_setup: numwin failed\n")); 9953 return (DDI_FAILURE); 9954 } 9955 SATADBG2(SATA_DBG_DMA_SETUP, 9956 spx->txlt_sata_hba_inst, 9957 "sata_dma_buf_setup: windows: %d, cookies: %d\n", 9958 spx->txlt_num_dma_win, 9959 spx->txlt_curwin_num_dma_cookies); 9960 spx->txlt_cur_dma_win = 0; 9961 break; 9962 9963 case DDI_DMA_MAPPED: 9964 /* DMA fully mapped */ 9965 spx->txlt_num_dma_win = 1; 9966 spx->txlt_cur_dma_win = 0; 9967 SATADBG1(SATA_DBG_DMA_SETUP, 9968 spx->txlt_sata_hba_inst, 9969 "sata_dma_buf_setup: windows: 1 " 9970 "cookies: %d\n", spx->txlt_curwin_num_dma_cookies); 9971 break; 9972 9973 default: 9974 /* DMA mapping failed */ 9975 if (spx->txlt_tmp_buf != NULL) { 9976 ddi_dma_mem_free( 9977 &spx->txlt_tmp_buf_handle); 9978 spx->txlt_tmp_buf = NULL; 9979 } 9980 (void) ddi_dma_free_handle(&spx->txlt_buf_dma_handle); 9981 spx->txlt_buf_dma_handle = NULL; 9982 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 9983 "sata_dma_buf_setup: buf dma handle binding " 9984 "failed %x\n", rval)); 9985 return (rval); 9986 } 9987 spx->txlt_curwin_processed_dma_cookies = 0; 9988 spx->txlt_dma_cookie_list = NULL; 9989 } else { 9990 /* 9991 * DMA setup is reused. Check if we need to process more 9992 * cookies in current window, or to get next window, if any. 9993 */ 9994 9995 ASSERT(spx->txlt_curwin_processed_dma_cookies <= 9996 spx->txlt_curwin_num_dma_cookies); 9997 9998 if (spx->txlt_curwin_processed_dma_cookies == 9999 spx->txlt_curwin_num_dma_cookies) { 10000 /* 10001 * All cookies from current DMA window were processed. 10002 * Get next DMA window. 10003 */ 10004 spx->txlt_cur_dma_win++; 10005 if (spx->txlt_cur_dma_win < spx->txlt_num_dma_win) { 10006 (void) ddi_dma_getwin(spx->txlt_buf_dma_handle, 10007 spx->txlt_cur_dma_win, &offset, &size, 10008 &spx->txlt_dma_cookie, 10009 &spx->txlt_curwin_num_dma_cookies); 10010 spx->txlt_curwin_processed_dma_cookies = 0; 10011 } else { 10012 /* No more windows! End of request! */ 10013 /* What to do? - panic for now */ 10014 ASSERT(spx->txlt_cur_dma_win >= 10015 spx->txlt_num_dma_win); 10016 10017 spx->txlt_curwin_num_dma_cookies = 0; 10018 spx->txlt_curwin_processed_dma_cookies = 0; 10019 spx->txlt_sata_pkt-> 10020 satapkt_cmd.satacmd_num_dma_cookies = 0; 10021 return (DDI_SUCCESS); 10022 } 10023 } 10024 } 10025 /* There better be at least one DMA cookie outstanding */ 10026 ASSERT((spx->txlt_curwin_num_dma_cookies - 10027 spx->txlt_curwin_processed_dma_cookies) > 0); 10028 10029 if (spx->txlt_dma_cookie_list == &spx->txlt_dma_cookie) { 10030 /* The default cookie slot was used in previous run */ 10031 ASSERT(spx->txlt_curwin_processed_dma_cookies == 0); 10032 spx->txlt_dma_cookie_list = NULL; 10033 spx->txlt_dma_cookie_list_len = 0; 10034 } 10035 if (spx->txlt_curwin_processed_dma_cookies == 0) { 10036 /* 10037 * Processing a new DMA window - set-up dma cookies list. 10038 * We may reuse previously allocated cookie array if it is 10039 * possible. 10040 */ 10041 if (spx->txlt_dma_cookie_list != NULL && 10042 spx->txlt_dma_cookie_list_len < 10043 spx->txlt_curwin_num_dma_cookies) { 10044 /* 10045 * New DMA window contains more cookies than 10046 * the previous one. We need larger cookie list - free 10047 * the old one. 10048 */ 10049 (void) kmem_free(spx->txlt_dma_cookie_list, 10050 spx->txlt_dma_cookie_list_len * 10051 sizeof (ddi_dma_cookie_t)); 10052 spx->txlt_dma_cookie_list = NULL; 10053 spx->txlt_dma_cookie_list_len = 0; 10054 } 10055 if (spx->txlt_dma_cookie_list == NULL) { 10056 /* 10057 * Calculate lesser of number of cookies in this 10058 * DMA window and number of s/g entries. 10059 */ 10060 max_sg_len = cur_dma_attr->dma_attr_sgllen; 10061 req_len = MIN(max_sg_len, 10062 spx->txlt_curwin_num_dma_cookies); 10063 10064 /* Allocate new dma cookie array if necessary */ 10065 if (req_len == 1) { 10066 /* Only one cookie - no need for a list */ 10067 spx->txlt_dma_cookie_list = 10068 &spx->txlt_dma_cookie; 10069 spx->txlt_dma_cookie_list_len = 1; 10070 } else { 10071 /* 10072 * More than one cookie - try to allocate space. 10073 */ 10074 spx->txlt_dma_cookie_list = kmem_zalloc( 10075 sizeof (ddi_dma_cookie_t) * req_len, 10076 callback == NULL_FUNC ? KM_NOSLEEP : 10077 KM_SLEEP); 10078 if (spx->txlt_dma_cookie_list == NULL) { 10079 SATADBG1(SATA_DBG_DMA_SETUP, 10080 spx->txlt_sata_hba_inst, 10081 "sata_dma_buf_setup: cookie list " 10082 "allocation failed\n", NULL); 10083 /* 10084 * We could not allocate space for 10085 * neccessary number of dma cookies in 10086 * this window, so we fail this request. 10087 * Next invocation would try again to 10088 * allocate space for cookie list. 10089 * Note:Packet residue was not modified. 10090 */ 10091 return (DDI_DMA_NORESOURCES); 10092 } else { 10093 spx->txlt_dma_cookie_list_len = req_len; 10094 } 10095 } 10096 } 10097 /* 10098 * Fetch DMA cookies into cookie list in sata_pkt_txlate. 10099 * First cookie was already fetched. 10100 */ 10101 *(&spx->txlt_dma_cookie_list[0]) = spx->txlt_dma_cookie; 10102 cur_txfer_len = 10103 (uint64_t)spx->txlt_dma_cookie_list[0].dmac_size; 10104 spx->txlt_sata_pkt->satapkt_cmd.satacmd_num_dma_cookies = 1; 10105 spx->txlt_curwin_processed_dma_cookies++; 10106 for (i = 1; (i < spx->txlt_dma_cookie_list_len) && 10107 (i < spx->txlt_curwin_num_dma_cookies); i++) { 10108 ddi_dma_nextcookie(spx->txlt_buf_dma_handle, 10109 &spx->txlt_dma_cookie_list[i]); 10110 cur_txfer_len += 10111 (uint64_t)spx->txlt_dma_cookie_list[i].dmac_size; 10112 spx->txlt_curwin_processed_dma_cookies++; 10113 spx->txlt_sata_pkt-> 10114 satapkt_cmd.satacmd_num_dma_cookies += 1; 10115 } 10116 } else { 10117 SATADBG2(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, 10118 "sata_dma_buf_setup: sliding within DMA window, " 10119 "cur cookie %d, total cookies %d\n", 10120 spx->txlt_curwin_processed_dma_cookies, 10121 spx->txlt_curwin_num_dma_cookies); 10122 10123 /* 10124 * Not all cookies from the current dma window were used because 10125 * of s/g limitation. 10126 * There is no need to re-size the list - it was set at 10127 * optimal size, or only default entry is used (s/g = 1). 10128 */ 10129 if (spx->txlt_dma_cookie_list == NULL) { 10130 spx->txlt_dma_cookie_list = &spx->txlt_dma_cookie; 10131 spx->txlt_dma_cookie_list_len = 1; 10132 } 10133 /* 10134 * Since we are processing remaining cookies in a DMA window, 10135 * there may be less of them than the number of entries in the 10136 * current dma cookie list. 10137 */ 10138 req_len = MIN(spx->txlt_dma_cookie_list_len, 10139 (spx->txlt_curwin_num_dma_cookies - 10140 spx->txlt_curwin_processed_dma_cookies)); 10141 10142 /* Fetch the next batch of cookies */ 10143 for (i = 0, cur_txfer_len = 0; i < req_len; i++) { 10144 ddi_dma_nextcookie(spx->txlt_buf_dma_handle, 10145 &spx->txlt_dma_cookie_list[i]); 10146 cur_txfer_len += 10147 (uint64_t)spx->txlt_dma_cookie_list[i].dmac_size; 10148 spx->txlt_sata_pkt-> 10149 satapkt_cmd.satacmd_num_dma_cookies++; 10150 spx->txlt_curwin_processed_dma_cookies++; 10151 } 10152 } 10153 10154 ASSERT(spx->txlt_sata_pkt->satapkt_cmd.satacmd_num_dma_cookies > 0); 10155 10156 /* Point sata_cmd to the cookie list */ 10157 spx->txlt_sata_pkt->satapkt_cmd.satacmd_dma_cookie_list = 10158 &spx->txlt_dma_cookie_list[0]; 10159 10160 /* Remember number of DMA cookies passed in sata packet */ 10161 spx->txlt_num_dma_cookies = 10162 spx->txlt_sata_pkt->satapkt_cmd.satacmd_num_dma_cookies; 10163 10164 ASSERT(cur_txfer_len != 0); 10165 if (cur_txfer_len <= bp->b_bcount) 10166 spx->txlt_total_residue -= cur_txfer_len; 10167 else { 10168 /* 10169 * Temporary DMA buffer has been padded by 10170 * ddi_dma_mem_alloc()! 10171 * This requires special handling, because DMA cookies are 10172 * based on the temporary buffer size, not the b_bcount, 10173 * and we have extra bytes to transfer - but the packet 10174 * residue has to stay correct because we will copy only 10175 * the requested number of bytes. 10176 */ 10177 spx->txlt_total_residue -= bp->b_bcount; 10178 } 10179 10180 return (DDI_SUCCESS); 10181 } 10182 10183 /* 10184 * Common routine for releasing DMA resources 10185 */ 10186 static void 10187 sata_common_free_dma_rsrcs(sata_pkt_txlate_t *spx) 10188 { 10189 if (spx->txlt_buf_dma_handle != NULL) { 10190 if (spx->txlt_tmp_buf != NULL) { 10191 /* 10192 * Intermediate DMA buffer was allocated. 10193 * Free allocated buffer and associated access handle. 10194 */ 10195 ddi_dma_mem_free(&spx->txlt_tmp_buf_handle); 10196 spx->txlt_tmp_buf = NULL; 10197 } 10198 /* 10199 * Free DMA resources - cookies and handles 10200 */ 10201 /* ASSERT(spx->txlt_dma_cookie_list != NULL); */ 10202 if (spx->txlt_dma_cookie_list != NULL) { 10203 if (spx->txlt_dma_cookie_list != 10204 &spx->txlt_dma_cookie) { 10205 (void) kmem_free(spx->txlt_dma_cookie_list, 10206 spx->txlt_dma_cookie_list_len * 10207 sizeof (ddi_dma_cookie_t)); 10208 spx->txlt_dma_cookie_list = NULL; 10209 } 10210 } 10211 (void) ddi_dma_unbind_handle(spx->txlt_buf_dma_handle); 10212 (void) ddi_dma_free_handle(&spx->txlt_buf_dma_handle); 10213 spx->txlt_buf_dma_handle = NULL; 10214 } 10215 } 10216 10217 /* 10218 * Free DMA resources 10219 * Used by the HBA driver to release DMA resources that it does not use. 10220 * 10221 * Returns Void 10222 */ 10223 void 10224 sata_free_dma_resources(sata_pkt_t *sata_pkt) 10225 { 10226 sata_pkt_txlate_t *spx; 10227 10228 if (sata_pkt == NULL) 10229 return; 10230 10231 spx = (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; 10232 10233 sata_common_free_dma_rsrcs(spx); 10234 } 10235 10236 /* 10237 * Fetch Device Identify data. 10238 * Send DEVICE IDENTIFY or IDENTIFY PACKET DEVICE (depending on a device type) 10239 * command to a device and get the device identify data. 10240 * The device_info structure has to be set to device type (for selecting proper 10241 * device identify command). 10242 * 10243 * Returns: 10244 * SATA_SUCCESS if cmd succeeded 10245 * SATA_RETRY if cmd was rejected and could be retried, 10246 * SATA_FAILURE if cmd failed and should not be retried (port error) 10247 * 10248 * Cannot be called in an interrupt context. 10249 */ 10250 10251 static int 10252 sata_fetch_device_identify_data(sata_hba_inst_t *sata_hba_inst, 10253 sata_drive_info_t *sdinfo) 10254 { 10255 struct buf *bp; 10256 sata_pkt_t *spkt; 10257 sata_cmd_t *scmd; 10258 sata_pkt_txlate_t *spx; 10259 int rval; 10260 10261 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 10262 spx->txlt_sata_hba_inst = sata_hba_inst; 10263 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 10264 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 10265 if (spkt == NULL) { 10266 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 10267 return (SATA_RETRY); /* may retry later */ 10268 } 10269 /* address is needed now */ 10270 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 10271 10272 /* 10273 * Allocate buffer for Identify Data return data 10274 */ 10275 bp = sata_alloc_local_buffer(spx, sizeof (sata_id_t)); 10276 if (bp == NULL) { 10277 sata_pkt_free(spx); 10278 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 10279 SATA_LOG_D((sata_hba_inst, CE_WARN, 10280 "sata_fetch_device_identify_data: " 10281 "cannot allocate buffer for ID")); 10282 return (SATA_RETRY); /* may retry later */ 10283 } 10284 10285 /* Fill sata_pkt */ 10286 sdinfo->satadrv_state = SATA_STATE_PROBING; 10287 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 10288 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 10289 /* Synchronous mode, no callback */ 10290 spkt->satapkt_comp = NULL; 10291 /* Timeout 30s */ 10292 spkt->satapkt_time = sata_default_pkt_time; 10293 10294 scmd = &spkt->satapkt_cmd; 10295 scmd->satacmd_bp = bp; 10296 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 10297 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 10298 10299 /* Build Identify Device cmd in the sata_pkt */ 10300 scmd->satacmd_addr_type = 0; /* N/A */ 10301 scmd->satacmd_sec_count_lsb = 0; /* N/A */ 10302 scmd->satacmd_lba_low_lsb = 0; /* N/A */ 10303 scmd->satacmd_lba_mid_lsb = 0; /* N/A */ 10304 scmd->satacmd_lba_high_lsb = 0; /* N/A */ 10305 scmd->satacmd_features_reg = 0; /* N/A */ 10306 scmd->satacmd_device_reg = 0; /* Always device 0 */ 10307 if (sdinfo->satadrv_type == SATA_DTYPE_ATAPICD) { 10308 /* Identify Packet Device cmd */ 10309 scmd->satacmd_cmd_reg = SATAC_ID_PACKET_DEVICE; 10310 } else { 10311 /* Identify Device cmd - mandatory for all other devices */ 10312 scmd->satacmd_cmd_reg = SATAC_ID_DEVICE; 10313 } 10314 10315 /* Send pkt to SATA HBA driver */ 10316 rval = (*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt); 10317 10318 #ifdef SATA_INJECT_FAULTS 10319 if (sata_inject_fault == SATA_INJECT_PKT_FAULT) 10320 if (sata_fault_cmd == scmd->satacmd_cmd_reg) 10321 sata_inject_pkt_fault(spkt, scmd->satacmd_cmd_reg, 10322 &rval, sata_inject_fault_type); 10323 #endif 10324 10325 if (rval == SATA_TRAN_ACCEPTED && 10326 spkt->satapkt_reason == SATA_PKT_COMPLETED) { 10327 if (spx->txlt_buf_dma_handle != NULL) { 10328 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 10329 DDI_DMA_SYNC_FORKERNEL); 10330 ASSERT(rval == DDI_SUCCESS); 10331 } 10332 if ((((sata_id_t *)(bp->b_un.b_addr))->ai_config & 10333 SATA_INCOMPLETE_DATA) == SATA_INCOMPLETE_DATA) { 10334 SATA_LOG_D((sata_hba_inst, CE_WARN, 10335 "SATA disk device at port %d - " 10336 "partial Identify Data", 10337 sdinfo->satadrv_addr.cport)); 10338 rval = SATA_RETRY; /* may retry later */ 10339 goto fail; 10340 } 10341 /* Update sata_drive_info */ 10342 bcopy(bp->b_un.b_addr, &sdinfo->satadrv_id, 10343 sizeof (sata_id_t)); 10344 10345 sdinfo->satadrv_features_support = 0; 10346 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 10347 /* 10348 * Retrieve capacity (disks only) and addressing mode 10349 */ 10350 sdinfo->satadrv_capacity = sata_check_capacity(sdinfo); 10351 } else { 10352 /* 10353 * For ATAPI devices one would have to issue 10354 * Get Capacity cmd for media capacity. Not here. 10355 */ 10356 sdinfo->satadrv_capacity = 0; 10357 /* 10358 * Check what cdb length is supported 10359 */ 10360 if ((sdinfo->satadrv_id.ai_config & 10361 SATA_ATAPI_ID_PKT_SZ) == SATA_ATAPI_ID_PKT_16B) 10362 sdinfo->satadrv_atapi_cdb_len = 16; 10363 else 10364 sdinfo->satadrv_atapi_cdb_len = 12; 10365 } 10366 /* Setup supported features flags */ 10367 if (sdinfo->satadrv_id.ai_cap & SATA_DMA_SUPPORT) 10368 sdinfo->satadrv_features_support |= SATA_DEV_F_DMA; 10369 10370 /* Check for SATA GEN and NCQ support */ 10371 if (sdinfo->satadrv_id.ai_satacap != 0 && 10372 sdinfo->satadrv_id.ai_satacap != 0xffff) { 10373 /* SATA compliance */ 10374 if (sdinfo->satadrv_id.ai_satacap & SATA_NCQ) 10375 sdinfo->satadrv_features_support |= 10376 SATA_DEV_F_NCQ; 10377 if (sdinfo->satadrv_id.ai_satacap & 10378 (SATA_1_SPEED | SATA_2_SPEED)) { 10379 if (sdinfo->satadrv_id.ai_satacap & 10380 SATA_2_SPEED) 10381 sdinfo->satadrv_features_support |= 10382 SATA_DEV_F_SATA2; 10383 if (sdinfo->satadrv_id.ai_satacap & 10384 SATA_1_SPEED) 10385 sdinfo->satadrv_features_support |= 10386 SATA_DEV_F_SATA1; 10387 } else { 10388 sdinfo->satadrv_features_support |= 10389 SATA_DEV_F_SATA1; 10390 } 10391 } 10392 if ((sdinfo->satadrv_id.ai_cmdset83 & SATA_RW_DMA_QUEUED_CMD) && 10393 (sdinfo->satadrv_id.ai_features86 & SATA_RW_DMA_QUEUED_CMD)) 10394 sdinfo->satadrv_features_support |= SATA_DEV_F_TCQ; 10395 10396 sdinfo->satadrv_queue_depth = sdinfo->satadrv_id.ai_qdepth; 10397 if ((sdinfo->satadrv_features_support & SATA_DEV_F_NCQ) || 10398 (sdinfo->satadrv_features_support & SATA_DEV_F_TCQ)) { 10399 ++sdinfo->satadrv_queue_depth; 10400 /* Adjust according to controller capabilities */ 10401 sdinfo->satadrv_max_queue_depth = MIN( 10402 sdinfo->satadrv_queue_depth, 10403 SATA_QDEPTH(sata_hba_inst)); 10404 /* Adjust according to global queue depth limit */ 10405 sdinfo->satadrv_max_queue_depth = MIN( 10406 sdinfo->satadrv_max_queue_depth, 10407 sata_current_max_qdepth); 10408 if (sdinfo->satadrv_max_queue_depth == 0) 10409 sdinfo->satadrv_max_queue_depth = 1; 10410 } else 10411 sdinfo->satadrv_max_queue_depth = 1; 10412 10413 rval = SATA_SUCCESS; 10414 } else { 10415 /* 10416 * Woops, no Identify Data. 10417 */ 10418 if (rval == SATA_TRAN_BUSY || rval == SATA_TRAN_QUEUE_FULL) { 10419 rval = SATA_RETRY; /* may retry later */ 10420 } else if (rval == SATA_TRAN_ACCEPTED) { 10421 if (spkt->satapkt_reason == SATA_PKT_DEV_ERROR || 10422 spkt->satapkt_reason == SATA_PKT_ABORTED || 10423 spkt->satapkt_reason == SATA_PKT_TIMEOUT || 10424 spkt->satapkt_reason == SATA_PKT_RESET) 10425 rval = SATA_RETRY; /* may retry later */ 10426 else 10427 rval = SATA_FAILURE; 10428 } else { 10429 rval = SATA_FAILURE; 10430 } 10431 } 10432 fail: 10433 /* Free allocated resources */ 10434 sata_free_local_buffer(spx); 10435 sata_pkt_free(spx); 10436 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 10437 10438 return (rval); 10439 } 10440 10441 10442 /* 10443 * Some devices may not come-up with default DMA mode (UDMA or MWDMA). 10444 * UDMA mode is checked first, followed by MWDMA mode. 10445 * set correctly, so this function is setting it to the highest supported level. 10446 * Older SATA spec required that the device supports at least DMA 4 mode and 10447 * UDMA mode is selected. It is not mentioned in SerialATA 2.6, so this 10448 * restriction has been removed. 10449 * 10450 * Returns SATA_SUCCESS if proper DMA mode is selected or no DMA is supported. 10451 * Returns SATA_FAILURE if proper DMA mode could not be selected. 10452 * 10453 * NOTE: This function should be called only if DMA mode is supported. 10454 */ 10455 static int 10456 sata_set_dma_mode(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo) 10457 { 10458 sata_pkt_t *spkt; 10459 sata_cmd_t *scmd; 10460 sata_pkt_txlate_t *spx; 10461 int i, mode; 10462 uint8_t subcmd; 10463 int rval = SATA_SUCCESS; 10464 10465 ASSERT(sdinfo != NULL); 10466 ASSERT(sata_hba_inst != NULL); 10467 10468 if ((sdinfo->satadrv_id.ai_validinfo & SATA_VALIDINFO_88) != 0 && 10469 (sdinfo->satadrv_id.ai_ultradma & SATA_UDMA_SUP_MASK) != 0) { 10470 /* Find highest Ultra DMA mode supported */ 10471 for (mode = 6; mode >= 0; --mode) { 10472 if (sdinfo->satadrv_id.ai_ultradma & (1 << mode)) 10473 break; 10474 } 10475 #if 0 10476 /* Left for historical reasons */ 10477 /* 10478 * Some initial version of SATA spec indicated that at least 10479 * UDMA mode 4 has to be supported. It is not mentioned in 10480 * SerialATA 2.6, so this restriction is removed. 10481 */ 10482 if (mode < 4) 10483 return (SATA_FAILURE); 10484 #endif 10485 /* Find UDMA mode currently selected */ 10486 for (i = 6; i >= 0; --i) { 10487 if (sdinfo->satadrv_id.ai_ultradma & (1 << (i + 8))) 10488 break; 10489 } 10490 if (i >= mode) 10491 /* Nothing to do */ 10492 return (SATA_SUCCESS); 10493 10494 subcmd = SATAC_TRANSFER_MODE_ULTRA_DMA; 10495 10496 } else if ((sdinfo->satadrv_id.ai_dworddma & SATA_MDMA_SUP_MASK) != 0) { 10497 /* Find highest MultiWord DMA mode supported */ 10498 for (mode = 2; mode >= 0; --mode) { 10499 if (sdinfo->satadrv_id.ai_dworddma & (1 << mode)) 10500 break; 10501 } 10502 /* Find highest MultiWord DMA mode selected */ 10503 for (i = 2; i >= 0; --i) { 10504 if (sdinfo->satadrv_id.ai_dworddma & (1 << (i + 8))) 10505 break; 10506 } 10507 if (i >= mode) 10508 /* Nothing to do */ 10509 return (SATA_SUCCESS); 10510 10511 subcmd = SATAC_TRANSFER_MODE_MULTI_WORD_DMA; 10512 } else 10513 return (SATA_SUCCESS); 10514 10515 /* 10516 * Set DMA mode via SET FEATURES COMMAND. 10517 * Prepare packet for SET FEATURES COMMAND. 10518 */ 10519 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 10520 spx->txlt_sata_hba_inst = sata_hba_inst; 10521 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 10522 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 10523 if (spkt == NULL) { 10524 SATA_LOG_D((sata_hba_inst, CE_WARN, 10525 "sata_set_dma_mode: could not set DMA mode %", mode)); 10526 rval = SATA_FAILURE; 10527 goto done; 10528 } 10529 /* Fill sata_pkt */ 10530 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 10531 /* Timeout 30s */ 10532 spkt->satapkt_time = sata_default_pkt_time; 10533 /* Synchronous mode, no callback, interrupts */ 10534 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 10535 spkt->satapkt_comp = NULL; 10536 scmd = &spkt->satapkt_cmd; 10537 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 10538 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 10539 scmd->satacmd_addr_type = 0; 10540 scmd->satacmd_device_reg = 0; 10541 scmd->satacmd_status_reg = 0; 10542 scmd->satacmd_error_reg = 0; 10543 scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; 10544 scmd->satacmd_features_reg = SATAC_SF_TRANSFER_MODE; 10545 scmd->satacmd_sec_count_lsb = subcmd | mode; 10546 10547 /* Transfer command to HBA */ 10548 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), 10549 spkt) != SATA_TRAN_ACCEPTED || 10550 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 10551 /* Pkt execution failed */ 10552 rval = SATA_FAILURE; 10553 } 10554 done: 10555 10556 /* Free allocated resources */ 10557 if (spkt != NULL) 10558 sata_pkt_free(spx); 10559 (void) kmem_free(spx, sizeof (sata_pkt_txlate_t)); 10560 10561 return (rval); 10562 } 10563 10564 10565 /* 10566 * Set device caching mode. 10567 * One of the following operations should be specified: 10568 * SATAC_SF_ENABLE_READ_AHEAD 10569 * SATAC_SF_DISABLE_READ_AHEAD 10570 * SATAC_SF_ENABLE_WRITE_CACHE 10571 * SATAC_SF_DISABLE_WRITE_CACHE 10572 * 10573 * If operation fails, system log messgage is emitted. 10574 * Returns SATA_SUCCESS when the operation succeeds, SATA_FAILURE otherwise. 10575 */ 10576 10577 static int 10578 sata_set_cache_mode(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo, 10579 int cache_op) 10580 { 10581 sata_pkt_t *spkt; 10582 sata_cmd_t *scmd; 10583 sata_pkt_txlate_t *spx; 10584 int rval = SATA_SUCCESS; 10585 char *infop; 10586 10587 ASSERT(sdinfo != NULL); 10588 ASSERT(sata_hba_inst != NULL); 10589 ASSERT(cache_op == SATAC_SF_ENABLE_READ_AHEAD || 10590 cache_op == SATAC_SF_DISABLE_READ_AHEAD || 10591 cache_op == SATAC_SF_ENABLE_WRITE_CACHE || 10592 cache_op == SATAC_SF_DISABLE_WRITE_CACHE); 10593 10594 10595 /* Prepare packet for SET FEATURES COMMAND */ 10596 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 10597 spx->txlt_sata_hba_inst = sata_hba_inst; 10598 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 10599 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 10600 if (spkt == NULL) { 10601 rval = SATA_FAILURE; 10602 goto failure; 10603 } 10604 /* Fill sata_pkt */ 10605 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 10606 /* Timeout 30s */ 10607 spkt->satapkt_time = sata_default_pkt_time; 10608 /* Synchronous mode, no callback, interrupts */ 10609 spkt->satapkt_op_mode = 10610 SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 10611 spkt->satapkt_comp = NULL; 10612 scmd = &spkt->satapkt_cmd; 10613 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 10614 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 10615 scmd->satacmd_addr_type = 0; 10616 scmd->satacmd_device_reg = 0; 10617 scmd->satacmd_status_reg = 0; 10618 scmd->satacmd_error_reg = 0; 10619 scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; 10620 scmd->satacmd_features_reg = cache_op; 10621 10622 /* Transfer command to HBA */ 10623 if (((*SATA_START_FUNC(sata_hba_inst))( 10624 SATA_DIP(sata_hba_inst), spkt) != SATA_TRAN_ACCEPTED) || 10625 (spkt->satapkt_reason != SATA_PKT_COMPLETED)) { 10626 /* Pkt execution failed */ 10627 switch (cache_op) { 10628 case SATAC_SF_ENABLE_READ_AHEAD: 10629 infop = "enabling read ahead failed"; 10630 break; 10631 case SATAC_SF_DISABLE_READ_AHEAD: 10632 infop = "disabling read ahead failed"; 10633 break; 10634 case SATAC_SF_ENABLE_WRITE_CACHE: 10635 infop = "enabling write cache failed"; 10636 break; 10637 case SATAC_SF_DISABLE_WRITE_CACHE: 10638 infop = "disabling write cache failed"; 10639 break; 10640 } 10641 SATA_LOG_D((sata_hba_inst, CE_WARN, "%s", infop)); 10642 rval = SATA_FAILURE; 10643 } 10644 failure: 10645 /* Free allocated resources */ 10646 if (spkt != NULL) 10647 sata_pkt_free(spx); 10648 (void) kmem_free(spx, sizeof (sata_pkt_txlate_t)); 10649 return (rval); 10650 } 10651 10652 /* 10653 * Set Removable Media Status Notification (enable/disable) 10654 * state == 0 , disable 10655 * state != 0 , enable 10656 * 10657 * If operation fails, system log messgage is emitted. 10658 * Returns SATA_SUCCESS when the operation succeeds, SATA_FAILURE otherwise. 10659 */ 10660 10661 static int 10662 sata_set_rmsn(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo, 10663 int state) 10664 { 10665 sata_pkt_t *spkt; 10666 sata_cmd_t *scmd; 10667 sata_pkt_txlate_t *spx; 10668 int rval = SATA_SUCCESS; 10669 char *infop; 10670 10671 ASSERT(sdinfo != NULL); 10672 ASSERT(sata_hba_inst != NULL); 10673 10674 /* Prepare packet for SET FEATURES COMMAND */ 10675 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 10676 spx->txlt_sata_hba_inst = sata_hba_inst; 10677 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 10678 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 10679 if (spkt == NULL) { 10680 rval = SATA_FAILURE; 10681 goto failure; 10682 } 10683 /* Fill sata_pkt */ 10684 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 10685 /* Timeout 30s */ 10686 spkt->satapkt_time = sata_default_pkt_time; 10687 /* Synchronous mode, no callback, interrupts */ 10688 spkt->satapkt_op_mode = 10689 SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 10690 spkt->satapkt_comp = NULL; 10691 scmd = &spkt->satapkt_cmd; 10692 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 10693 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 10694 scmd->satacmd_addr_type = 0; 10695 scmd->satacmd_device_reg = 0; 10696 scmd->satacmd_status_reg = 0; 10697 scmd->satacmd_error_reg = 0; 10698 scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; 10699 if (state == 0) 10700 scmd->satacmd_features_reg = SATAC_SF_DISABLE_RMSN; 10701 else 10702 scmd->satacmd_features_reg = SATAC_SF_ENABLE_RMSN; 10703 10704 /* Transfer command to HBA */ 10705 if (((*SATA_START_FUNC(sata_hba_inst))( 10706 SATA_DIP(sata_hba_inst), spkt) != SATA_TRAN_ACCEPTED) || 10707 (spkt->satapkt_reason != SATA_PKT_COMPLETED)) { 10708 /* Pkt execution failed */ 10709 if (state == 0) 10710 infop = "disabling Removable Media Status " 10711 "Notification failed"; 10712 else 10713 infop = "enabling Removable Media Status " 10714 "Notification failed"; 10715 10716 SATA_LOG_D((sata_hba_inst, CE_WARN, "%s", infop)); 10717 rval = SATA_FAILURE; 10718 } 10719 failure: 10720 /* Free allocated resources */ 10721 if (spkt != NULL) 10722 sata_pkt_free(spx); 10723 (void) kmem_free(spx, sizeof (sata_pkt_txlate_t)); 10724 return (rval); 10725 } 10726 10727 10728 /* 10729 * Update port SCR block 10730 */ 10731 static void 10732 sata_update_port_scr(sata_port_scr_t *port_scr, sata_device_t *device) 10733 { 10734 port_scr->sstatus = device->satadev_scr.sstatus; 10735 port_scr->serror = device->satadev_scr.serror; 10736 port_scr->scontrol = device->satadev_scr.scontrol; 10737 port_scr->sactive = device->satadev_scr.sactive; 10738 port_scr->snotific = device->satadev_scr.snotific; 10739 } 10740 10741 /* 10742 * Update state and copy port ss* values from passed sata_device structure. 10743 * sata_address is validated - if not valid, nothing is changed in sata_scsi 10744 * configuration struct. 10745 * 10746 * SATA_PSTATE_SHUTDOWN in port state is not reset to 0 by this function 10747 * regardless of the state in device argument. 10748 * 10749 * Port mutex should be held while calling this function. 10750 */ 10751 static void 10752 sata_update_port_info(sata_hba_inst_t *sata_hba_inst, 10753 sata_device_t *sata_device) 10754 { 10755 ASSERT(mutex_owned(&SATA_CPORT_MUTEX(sata_hba_inst, 10756 sata_device->satadev_addr.cport))); 10757 10758 if (sata_device->satadev_addr.qual == SATA_ADDR_CPORT || 10759 sata_device->satadev_addr.qual == SATA_ADDR_DCPORT) { 10760 10761 sata_cport_info_t *cportinfo; 10762 10763 if (SATA_NUM_CPORTS(sata_hba_inst) <= 10764 sata_device->satadev_addr.cport) 10765 return; 10766 10767 cportinfo = SATA_CPORT_INFO(sata_hba_inst, 10768 sata_device->satadev_addr.cport); 10769 sata_update_port_scr(&cportinfo->cport_scr, sata_device); 10770 10771 /* Preserve SATA_PSTATE_SHUTDOWN flag */ 10772 cportinfo->cport_state &= ~(SATA_PSTATE_PWRON | 10773 SATA_PSTATE_PWROFF | SATA_PSTATE_FAILED); 10774 cportinfo->cport_state |= 10775 sata_device->satadev_state & SATA_PSTATE_VALID; 10776 } else { 10777 sata_pmport_info_t *pmportinfo; 10778 10779 if ((sata_device->satadev_addr.qual != SATA_ADDR_PMPORT) || 10780 (sata_device->satadev_addr.qual != SATA_ADDR_DPMPORT) || 10781 SATA_NUM_PMPORTS(sata_hba_inst, 10782 sata_device->satadev_addr.cport) < 10783 sata_device->satadev_addr.pmport) 10784 return; 10785 10786 pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, 10787 sata_device->satadev_addr.cport, 10788 sata_device->satadev_addr.pmport); 10789 sata_update_port_scr(&pmportinfo->pmport_scr, sata_device); 10790 10791 /* Preserve SATA_PSTATE_SHUTDOWN flag */ 10792 pmportinfo->pmport_state &= 10793 ~(SATA_PSTATE_PWRON | SATA_PSTATE_PWROFF | 10794 SATA_PSTATE_FAILED); 10795 pmportinfo->pmport_state |= 10796 sata_device->satadev_state & SATA_PSTATE_VALID; 10797 } 10798 } 10799 10800 10801 10802 /* 10803 * Extract SATA port specification from an IOCTL argument. 10804 * 10805 * This function return the port the user land send us as is, unless it 10806 * cannot retrieve port spec, then -1 is returned. 10807 * 10808 * Note: Only cport - no port multiplier port. 10809 */ 10810 static int32_t 10811 sata_get_port_num(sata_hba_inst_t *sata_hba_inst, struct devctl_iocdata *dcp) 10812 { 10813 int32_t port; 10814 10815 /* Extract port number from nvpair in dca structure */ 10816 if (nvlist_lookup_int32(ndi_dc_get_ap_data(dcp), "port", &port) != 0) { 10817 SATA_LOG_D((sata_hba_inst, CE_NOTE, 10818 "sata_get_port_num: invalid port spec 0x%x in ioctl", 10819 port)); 10820 port = -1; 10821 } 10822 10823 return (port); 10824 } 10825 10826 /* 10827 * Get dev_info_t pointer to the device node pointed to by port argument. 10828 * NOTE: target argument is a value used in ioctls to identify 10829 * the AP - it is not a sata_address. 10830 * It is a combination of cport, pmport and address qualifier, encodded same 10831 * way as a scsi target number. 10832 * At this moment it carries only cport number. 10833 * 10834 * No PMult hotplug support. 10835 * 10836 * Returns dev_info_t pointer if target device was found, NULL otherwise. 10837 */ 10838 10839 static dev_info_t * 10840 sata_get_target_dip(dev_info_t *dip, int32_t port) 10841 { 10842 dev_info_t *cdip = NULL; 10843 int target, tgt; 10844 int ncport; 10845 int circ; 10846 10847 ncport = port & SATA_CFGA_CPORT_MASK; 10848 target = SATA_TO_SCSI_TARGET(ncport, 0, SATA_ADDR_DCPORT); 10849 10850 ndi_devi_enter(dip, &circ); 10851 for (cdip = ddi_get_child(dip); cdip != NULL; ) { 10852 dev_info_t *next = ddi_get_next_sibling(cdip); 10853 10854 tgt = ddi_prop_get_int(DDI_DEV_T_ANY, cdip, 10855 DDI_PROP_DONTPASS, "target", -1); 10856 if (tgt == -1) { 10857 /* 10858 * This is actually an error condition, but not 10859 * a fatal one. Just continue the search. 10860 */ 10861 cdip = next; 10862 continue; 10863 } 10864 10865 if (tgt == target) 10866 break; 10867 10868 cdip = next; 10869 } 10870 ndi_devi_exit(dip, circ); 10871 10872 return (cdip); 10873 } 10874 10875 /* 10876 * Get dev_info_t pointer to the device node pointed to by port argument. 10877 * NOTE: target argument is a value used in ioctls to identify 10878 * the AP - it is not a sata_address. 10879 * It is a combination of cport, pmport and address qualifier, encoded same 10880 * way as a scsi target number. 10881 * At this moment it carries only cport number. 10882 * 10883 * No PMult hotplug support. 10884 * 10885 * Returns dev_info_t pointer if target device was found, NULL otherwise. 10886 */ 10887 10888 static dev_info_t * 10889 sata_get_scsi_target_dip(dev_info_t *dip, sata_address_t *saddr) 10890 { 10891 dev_info_t *cdip = NULL; 10892 int target, tgt; 10893 int circ; 10894 10895 target = SATA_TO_SCSI_TARGET(saddr->cport, saddr->pmport, saddr->qual); 10896 10897 ndi_devi_enter(dip, &circ); 10898 for (cdip = ddi_get_child(dip); cdip != NULL; ) { 10899 dev_info_t *next = ddi_get_next_sibling(cdip); 10900 10901 tgt = ddi_prop_get_int(DDI_DEV_T_ANY, cdip, 10902 DDI_PROP_DONTPASS, "target", -1); 10903 if (tgt == -1) { 10904 /* 10905 * This is actually an error condition, but not 10906 * a fatal one. Just continue the search. 10907 */ 10908 cdip = next; 10909 continue; 10910 } 10911 10912 if (tgt == target) 10913 break; 10914 10915 cdip = next; 10916 } 10917 ndi_devi_exit(dip, circ); 10918 10919 return (cdip); 10920 } 10921 10922 /* 10923 * Process sata port disconnect request. 10924 * Normally, cfgadm sata plugin will try to offline (unconfigure) the device 10925 * before this request. Nevertheless, if a device is still configured, 10926 * we need to attempt to offline and unconfigure device. 10927 * Regardless of the unconfigure operation results the port is marked as 10928 * deactivated and no access to the attached device is possible. 10929 * If the target node remains because unconfigure operation failed, its state 10930 * will be set to DEVICE_REMOVED, preventing it to be used again when a device 10931 * is inserted/re-inserted. The event daemon will repeatedly try to unconfigure 10932 * the device and remove old target node. 10933 * 10934 * This function invokes sata_hba_inst->satahba_tran-> 10935 * sata_tran_hotplug_ops->sata_tran_port_deactivate(). 10936 * If successful, the device structure (if any) attached to the specified port 10937 * is removed and state of the port marked appropriately. 10938 * Failure of the port_deactivate may keep port in the physically active state, 10939 * or may fail the port. 10940 * 10941 * NOTE: Port multiplier code is not completed nor tested. 10942 */ 10943 10944 static int 10945 sata_ioctl_disconnect(sata_hba_inst_t *sata_hba_inst, 10946 sata_device_t *sata_device) 10947 { 10948 sata_drive_info_t *sdinfo = NULL; 10949 sata_cport_info_t *cportinfo = NULL; 10950 sata_pmport_info_t *pmportinfo = NULL; 10951 sata_pmult_info_t *pmultinfo = NULL; 10952 dev_info_t *tdip; 10953 int cport, pmport, qual; 10954 int rval = SATA_SUCCESS; 10955 int rv = 0; 10956 10957 cport = sata_device->satadev_addr.cport; 10958 pmport = sata_device->satadev_addr.pmport; 10959 qual = sata_device->satadev_addr.qual; 10960 10961 ASSERT(qual == SATA_ADDR_CPORT || qual == SATA_ADDR_PMPORT); 10962 10963 /* 10964 * DEVCTL_AP_DISCONNECT invokes sata_hba_inst->satahba_tran-> 10965 * sata_tran_hotplug_ops->sata_tran_port_deactivate(). 10966 * Do the sanity check. 10967 */ 10968 if (SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst) == NULL) { 10969 /* No physical port deactivation supported. */ 10970 return (EINVAL); 10971 } 10972 10973 /* Check the current state of the port */ 10974 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 10975 (SATA_DIP(sata_hba_inst), sata_device); 10976 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 10977 sata_update_port_info(sata_hba_inst, sata_device); 10978 if (rval != SATA_SUCCESS || 10979 (sata_device->satadev_state & SATA_PSTATE_FAILED) != 0) { 10980 /* Device port status is unknown or it is in failed state */ 10981 if (qual == SATA_ADDR_PMPORT) { 10982 SATA_PMPORT_STATE(sata_hba_inst, cport, pmport) = 10983 SATA_PSTATE_FAILED; 10984 SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, 10985 "sata_hba_ioctl: connect: failed to deactivate " 10986 "SATA port %d", cport); 10987 } else { 10988 SATA_CPORT_STATE(sata_hba_inst, cport) = 10989 SATA_PSTATE_FAILED; 10990 SATADBG2(SATA_DBG_IOCTL_IF, sata_hba_inst, 10991 "sata_hba_ioctl: connect: failed to deactivate " 10992 "SATA port %d:%d", cport, pmport); 10993 } 10994 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 10995 cport)->cport_mutex); 10996 return (EIO); 10997 } 10998 /* 10999 * Set port's dev_state to not ready - this will disable 11000 * an access to a potentially attached device. 11001 */ 11002 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 11003 if (qual == SATA_ADDR_PMPORT) { 11004 pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); 11005 if (pmportinfo->pmport_dev_type != SATA_DTYPE_NONE) { 11006 sdinfo = pmportinfo->pmport_sata_drive; 11007 ASSERT(sdinfo != NULL); 11008 } 11009 pmportinfo->pmport_state &= ~SATA_STATE_READY; 11010 } else { 11011 /* Assuming cport */ 11012 11013 if (cportinfo->cport_dev_type != SATA_DTYPE_NONE) { 11014 if (cportinfo->cport_dev_type == SATA_DTYPE_PMULT) { 11015 pmultinfo = 11016 cportinfo->cport_devp.cport_sata_pmult; 11017 ASSERT(pmultinfo != NULL); 11018 } else { 11019 sdinfo = cportinfo->cport_devp.cport_sata_drive; 11020 } 11021 } 11022 cportinfo->cport_state &= ~SATA_STATE_READY; 11023 } 11024 if (sdinfo != NULL) { 11025 if ((sdinfo->satadrv_type & (SATA_VALID_DEV_TYPE)) != 0) { 11026 /* 11027 * If a target node exists, try to offline 11028 * a device and remove target node. 11029 */ 11030 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 11031 cport)->cport_mutex); 11032 /* We are addressing attached device, not a port */ 11033 sata_device->satadev_addr.qual = 11034 sdinfo->satadrv_addr.qual; 11035 tdip = sata_get_scsi_target_dip(SATA_DIP(sata_hba_inst), 11036 &sata_device->satadev_addr); 11037 if (tdip != NULL && ndi_devi_offline(tdip, 11038 NDI_DEVI_REMOVE) != NDI_SUCCESS) { 11039 /* 11040 * Problem 11041 * The target node remained attached. 11042 * This happens when the device file was open 11043 * or a node was waiting for resources. 11044 * Cannot do anything about it. 11045 */ 11046 if (qual == SATA_ADDR_CPORT) { 11047 SATA_LOG_D((sata_hba_inst, CE_WARN, 11048 "sata_hba_ioctl: disconnect: could " 11049 "not unconfigure device before " 11050 "disconnecting the SATA port %d", 11051 cport)); 11052 } else { 11053 SATA_LOG_D((sata_hba_inst, CE_WARN, 11054 "sata_hba_ioctl: disconnect: could " 11055 "not unconfigure device before " 11056 "disconnecting the SATA port %d:%d", 11057 cport, pmport)); 11058 } 11059 /* 11060 * Set DEVICE REMOVED state in the target 11061 * node. It will prevent access to the device 11062 * even when a new device is attached, until 11063 * the old target node is released, removed and 11064 * recreated for a new device. 11065 */ 11066 sata_set_device_removed(tdip); 11067 11068 /* 11069 * Instruct event daemon to try the target 11070 * node cleanup later. 11071 */ 11072 sata_set_target_node_cleanup( 11073 sata_hba_inst, &sata_device->satadev_addr); 11074 } 11075 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 11076 cport)->cport_mutex); 11077 } 11078 11079 /* Remove and release sata_drive info structure. */ 11080 if (pmportinfo != NULL) { 11081 SATA_PMPORT_DRV_INFO(sata_hba_inst, cport, pmport) = 11082 NULL; 11083 pmportinfo->pmport_dev_type = SATA_DTYPE_NONE; 11084 } else { 11085 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 11086 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 11087 } 11088 (void) kmem_free((void *)sdinfo, sizeof (sata_drive_info_t)); 11089 } 11090 #if 0 11091 else if (pmultinfo != NULL) { 11092 /* 11093 * Port Multiplier itself needs special handling. 11094 * All device ports need to be processed here! 11095 */ 11096 } 11097 #endif 11098 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11099 /* Just ask HBA driver to deactivate port */ 11100 /* sata_device->satadev_addr.qual = SATA_ADDR_DCPORT; */ 11101 11102 rval = (*SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst)) 11103 (SATA_DIP(sata_hba_inst), sata_device); 11104 11105 /* 11106 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 11107 * without the hint (to force listener to investivate the state). 11108 */ 11109 sata_gen_sysevent(sata_hba_inst, &sata_device->satadev_addr, 11110 SE_NO_HINT); 11111 11112 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11113 sata_update_port_info(sata_hba_inst, sata_device); 11114 11115 if (rval != SATA_SUCCESS) { 11116 /* 11117 * Port deactivation failure - do not 11118 * change port state unless the state 11119 * returned by HBA indicates a port failure. 11120 * NOTE: device structures were released, so devices now are 11121 * invisible! Port reset is needed to re-enumerate devices. 11122 */ 11123 if (sata_device->satadev_state & SATA_PSTATE_FAILED) { 11124 if (pmportinfo != NULL) 11125 pmportinfo->pmport_state = SATA_PSTATE_FAILED; 11126 else 11127 cportinfo->cport_state = SATA_PSTATE_FAILED; 11128 rv = EIO; 11129 } 11130 } else { 11131 /* 11132 * Deactivation succeded. From now on the sata framework 11133 * will not care what is happening to the device, until 11134 * the port is activated again. 11135 */ 11136 cportinfo->cport_state |= SATA_PSTATE_SHUTDOWN; 11137 } 11138 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11139 return (rv); 11140 } 11141 11142 11143 11144 /* 11145 * Process sata port connect request 11146 * The sata cfgadm pluging will invoke this operation only if port was found 11147 * in the disconnect state (failed state is also treated as the disconnected 11148 * state). 11149 * DEVCTL_AP_CONNECT would invoke sata_hba_inst->satahba_tran-> 11150 * sata_tran_hotplug_ops->sata_tran_port_activate(). 11151 * If successful and a device is found attached to the port, 11152 * the initialization sequence is executed to attach a device structure to 11153 * a port structure. The state of the port and a device would be set 11154 * appropriately. 11155 * The device is not set in configured state (system-wise) by this operation. 11156 * 11157 * Note, that activating the port may generate link events, 11158 * so it is important that following processing and the 11159 * event processing does not interfere with each other! 11160 * 11161 * This operation may remove port failed state and will 11162 * try to make port active and in good standing. 11163 * 11164 * NOTE: Port multiplier code is not completed nor tested. 11165 */ 11166 11167 static int 11168 sata_ioctl_connect(sata_hba_inst_t *sata_hba_inst, 11169 sata_device_t *sata_device) 11170 { 11171 int cport, pmport, qual; 11172 int rv = 0; 11173 11174 cport = sata_device->satadev_addr.cport; 11175 pmport = sata_device->satadev_addr.pmport; 11176 qual = sata_device->satadev_addr.qual; 11177 11178 ASSERT(qual == SATA_ADDR_CPORT || qual == SATA_ADDR_PMPORT); 11179 11180 /* 11181 * DEVCTL_AP_CONNECT would invoke sata_hba_inst-> 11182 * satahba_tran->sata_tran_hotplug_ops->sata_tran_port_activate(). 11183 * Perform sanity check now. 11184 */ 11185 if (SATA_PORT_ACTIVATE_FUNC(sata_hba_inst) == NULL) { 11186 /* No physical port activation supported. */ 11187 return (EINVAL); 11188 } 11189 11190 /* Just ask HBA driver to activate port */ 11191 if ((*SATA_PORT_ACTIVATE_FUNC(sata_hba_inst)) 11192 (SATA_DIP(sata_hba_inst), sata_device) != SATA_SUCCESS) { 11193 /* 11194 * Port activation failure. 11195 */ 11196 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 11197 cport)->cport_mutex); 11198 sata_update_port_info(sata_hba_inst, sata_device); 11199 if (sata_device->satadev_state & SATA_PSTATE_FAILED) { 11200 if (qual == SATA_ADDR_DCPORT) { 11201 SATA_CPORT_STATE(sata_hba_inst, cport) = 11202 SATA_PSTATE_FAILED; 11203 SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, 11204 "sata_hba_ioctl: connect: failed to " 11205 "activate SATA port %d", cport); 11206 } else { /* port multiplier device port */ 11207 SATA_PMPORT_STATE(sata_hba_inst, cport, 11208 pmport) = SATA_PSTATE_FAILED; 11209 SATADBG2(SATA_DBG_IOCTL_IF, sata_hba_inst, 11210 "sata_hba_ioctl: connect: failed to " 11211 "activate SATA port %d:%d", cport, pmport); 11212 11213 } 11214 } 11215 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 11216 cport)->cport_mutex); 11217 SATADBG2(SATA_DBG_IOCTL_IF, sata_hba_inst, 11218 "sata_hba_ioctl: connect: failed to activate SATA " 11219 "port %d:%d", cport, pmport); 11220 return (EIO); 11221 } 11222 11223 /* Virgin port state - will be updated by the port re-probe. */ 11224 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11225 if (qual == SATA_ADDR_CPORT) 11226 SATA_CPORT_STATE(sata_hba_inst, cport) = 0; 11227 else /* port multiplier device port */ 11228 SATA_PMPORT_STATE(sata_hba_inst, cport, pmport) = 0; 11229 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11230 11231 /* 11232 * Probe the port to find its state and attached device. 11233 */ 11234 if (sata_reprobe_port(sata_hba_inst, sata_device, 11235 SATA_DEV_IDENTIFY_RETRY) == SATA_FAILURE) 11236 rv = EIO; 11237 11238 /* 11239 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 11240 * without the hint 11241 */ 11242 sata_gen_sysevent(sata_hba_inst, &sata_device->satadev_addr, 11243 SE_NO_HINT); 11244 11245 /* 11246 * If there is a device attached to the port, emit 11247 * a message. 11248 */ 11249 if (sata_device->satadev_type != SATA_DTYPE_NONE) { 11250 11251 if (qual == SATA_ADDR_CPORT) { 11252 sata_log(sata_hba_inst, CE_WARN, 11253 "SATA device detected at port %d", cport); 11254 if (sata_device->satadev_type == SATA_DTYPE_UNKNOWN) { 11255 /* 11256 * A device was not successfully identified 11257 */ 11258 sata_log(sata_hba_inst, CE_WARN, 11259 "Could not identify SATA " 11260 "device at port %d", cport); 11261 } 11262 } else { /* port multiplier device port */ 11263 sata_log(sata_hba_inst, CE_WARN, 11264 "SATA device detected at port %d:%d", 11265 cport, pmport); 11266 if (sata_device->satadev_type == SATA_DTYPE_UNKNOWN) { 11267 /* 11268 * A device was not successfully identified 11269 */ 11270 sata_log(sata_hba_inst, CE_WARN, 11271 "Could not identify SATA " 11272 "device at port %d:%d", cport, pmport); 11273 } 11274 } 11275 } 11276 11277 return (rv); 11278 } 11279 11280 11281 /* 11282 * Process sata device unconfigure request. 11283 * The unconfigure operation uses generic nexus operation to 11284 * offline a device. It leaves a target device node attached. 11285 * and obviously sata_drive_info attached as well, because 11286 * from the hardware point of view nothing has changed. 11287 */ 11288 static int 11289 sata_ioctl_unconfigure(sata_hba_inst_t *sata_hba_inst, 11290 sata_device_t *sata_device) 11291 { 11292 int rv = 0; 11293 dev_info_t *tdip; 11294 11295 /* We are addressing attached device, not a port */ 11296 if (sata_device->satadev_addr.qual == SATA_ADDR_CPORT) 11297 sata_device->satadev_addr.qual = SATA_ADDR_DCPORT; 11298 else if (sata_device->satadev_addr.qual == SATA_ADDR_PMPORT) 11299 sata_device->satadev_addr.qual = SATA_ADDR_DPMPORT; 11300 11301 if ((tdip = sata_get_scsi_target_dip(SATA_DIP(sata_hba_inst), 11302 &sata_device->satadev_addr)) != NULL) { 11303 11304 if (ndi_devi_offline(tdip, NDI_UNCONFIG) != NDI_SUCCESS) { 11305 SATA_LOG_D((sata_hba_inst, CE_WARN, 11306 "sata_hba_ioctl: unconfigure: " 11307 "failed to unconfigure device at SATA port %d:%d", 11308 sata_device->satadev_addr.cport, 11309 sata_device->satadev_addr.pmport)); 11310 rv = EIO; 11311 } 11312 /* 11313 * The target node devi_state should be marked with 11314 * DEVI_DEVICE_OFFLINE by ndi_devi_offline(). 11315 * This would be the indication for cfgadm that 11316 * the AP node occupant state is 'unconfigured'. 11317 */ 11318 11319 } else { 11320 /* 11321 * This would indicate a failure on the part of cfgadm 11322 * to detect correct state of the node prior to this 11323 * call - one cannot unconfigure non-existing device. 11324 */ 11325 SATA_LOG_D((sata_hba_inst, CE_WARN, 11326 "sata_hba_ioctl: unconfigure: " 11327 "attempt to unconfigure non-existing device " 11328 "at SATA port %d:%d", 11329 sata_device->satadev_addr.cport, 11330 sata_device->satadev_addr.pmport)); 11331 rv = ENXIO; 11332 } 11333 return (rv); 11334 } 11335 11336 /* 11337 * Process sata device configure request 11338 * If port is in a failed state, operation is aborted - one has to use 11339 * an explicit connect or port activate request to try to get a port into 11340 * non-failed mode. Port reset wil also work in such situation. 11341 * If the port is in disconnected (shutdown) state, the connect operation is 11342 * attempted prior to any other action. 11343 * When port is in the active state, there is a device attached and the target 11344 * node exists, a device was most likely offlined. 11345 * If target node does not exist, a new target node is created. In both cases 11346 * an attempt is made to online (configure) the device. 11347 * 11348 * NOTE: Port multiplier code is not completed nor tested. 11349 */ 11350 static int 11351 sata_ioctl_configure(sata_hba_inst_t *sata_hba_inst, 11352 sata_device_t *sata_device) 11353 { 11354 int cport, pmport, qual; 11355 int rval; 11356 boolean_t target = TRUE; 11357 sata_cport_info_t *cportinfo; 11358 sata_pmport_info_t *pmportinfo = NULL; 11359 dev_info_t *tdip; 11360 sata_drive_info_t *sdinfo; 11361 11362 cport = sata_device->satadev_addr.cport; 11363 pmport = sata_device->satadev_addr.pmport; 11364 qual = sata_device->satadev_addr.qual; 11365 11366 /* Get current port state */ 11367 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 11368 (SATA_DIP(sata_hba_inst), sata_device); 11369 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11370 sata_update_port_info(sata_hba_inst, sata_device); 11371 11372 if (rval != SATA_SUCCESS || 11373 (sata_device->satadev_state & SATA_PSTATE_FAILED) != 0) { 11374 /* 11375 * Obviously, device on a failed port is not visible 11376 */ 11377 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11378 return (ENXIO); 11379 } 11380 11381 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 11382 if (qual == SATA_ADDR_PMPORT) 11383 pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); 11384 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11385 11386 if ((sata_device->satadev_state & SATA_PSTATE_SHUTDOWN) != 0) { 11387 /* need to activate port */ 11388 target = FALSE; 11389 11390 /* Sanity check */ 11391 if (SATA_PORT_ACTIVATE_FUNC(sata_hba_inst) == NULL) 11392 return (ENXIO); 11393 11394 /* Just let HBA driver to activate port */ 11395 if ((*SATA_PORT_ACTIVATE_FUNC(sata_hba_inst)) 11396 (SATA_DIP(sata_hba_inst), sata_device) != SATA_SUCCESS) { 11397 /* 11398 * Port activation failure - do not change port state 11399 * unless the state returned by HBA indicates a port 11400 * failure. 11401 */ 11402 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 11403 cport)->cport_mutex); 11404 sata_update_port_info(sata_hba_inst, sata_device); 11405 if (sata_device->satadev_state & SATA_PSTATE_FAILED) { 11406 if (qual == SATA_ADDR_PMPORT) 11407 pmportinfo->pmport_state = 11408 SATA_PSTATE_FAILED; 11409 else 11410 cportinfo->cport_state = 11411 SATA_PSTATE_FAILED; 11412 } 11413 mutex_exit(&SATA_CPORT_INFO( 11414 sata_hba_inst, cport)->cport_mutex); 11415 SATA_LOG_D((sata_hba_inst, CE_WARN, 11416 "sata_hba_ioctl: configure: " 11417 "failed to activate SATA port %d:%d", 11418 cport, pmport)); 11419 return (EIO); 11420 } 11421 /* 11422 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 11423 * without the hint. 11424 */ 11425 sata_gen_sysevent(sata_hba_inst, 11426 &sata_device->satadev_addr, SE_NO_HINT); 11427 11428 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 11429 cport_mutex); 11430 /* Virgin port state */ 11431 if (qual == SATA_ADDR_PMPORT) 11432 pmportinfo->pmport_state = 0; 11433 else 11434 cportinfo->cport_state = 0; 11435 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11436 } 11437 /* 11438 * Always reprobe port, to get current device info. 11439 */ 11440 if (sata_reprobe_port(sata_hba_inst, sata_device, 11441 SATA_DEV_IDENTIFY_RETRY) != SATA_SUCCESS) 11442 return (EIO); 11443 11444 if (sata_device->satadev_type != SATA_DTYPE_NONE && target == FALSE) { 11445 if (qual == SATA_ADDR_PMPORT) { 11446 /* 11447 * That's the transition from "inactive" port 11448 * to active one with device attached. 11449 */ 11450 sata_log(sata_hba_inst, CE_WARN, 11451 "SATA device detected at port %d:%d", 11452 cport, pmport); 11453 } else { 11454 /* 11455 * When PM is attached to the cport and cport is 11456 * activated, every PM device port needs to be reprobed. 11457 * We need to emit message for all devices detected 11458 * at port multiplier's device ports. 11459 * Add such code here. 11460 * For now, just inform about device attached to 11461 * cport. 11462 */ 11463 sata_log(sata_hba_inst, CE_WARN, 11464 "SATA device detected at port %d", cport); 11465 } 11466 } 11467 11468 /* 11469 * This is where real configuration operation starts. 11470 * 11471 * When PM is attached to the cport and cport is activated, 11472 * devices attached PM device ports may have to be configured 11473 * explicitly. This may change when port multiplier is supported. 11474 * For now, configure only disks and other valid target devices. 11475 */ 11476 if (!(sata_device->satadev_type & SATA_VALID_DEV_TYPE)) { 11477 if (qual == SATA_ADDR_CPORT) { 11478 if (sata_device->satadev_type == SATA_DTYPE_UNKNOWN) { 11479 /* 11480 * A device was not successfully identified 11481 */ 11482 sata_log(sata_hba_inst, CE_WARN, 11483 "Could not identify SATA " 11484 "device at port %d", cport); 11485 } 11486 } else { /* port multiplier device port */ 11487 if (sata_device->satadev_type == SATA_DTYPE_UNKNOWN) { 11488 /* 11489 * A device was not successfully identified 11490 */ 11491 sata_log(sata_hba_inst, CE_WARN, 11492 "Could not identify SATA " 11493 "device at port %d:%d", cport, pmport); 11494 } 11495 } 11496 return (ENXIO); /* No device to configure */ 11497 } 11498 11499 /* 11500 * Here we may have a device in reset condition, 11501 * but because we are just configuring it, there is 11502 * no need to process the reset other than just 11503 * to clear device reset condition in the HBA driver. 11504 * Setting the flag SATA_EVNT_CLEAR_DEVICE_RESET will 11505 * cause a first command sent the HBA driver with the request 11506 * to clear device reset condition. 11507 */ 11508 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11509 if (qual == SATA_ADDR_PMPORT) 11510 sata_device->satadev_addr.qual = SATA_ADDR_DPMPORT; 11511 else 11512 sata_device->satadev_addr.qual = SATA_ADDR_DCPORT; 11513 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 11514 if (sdinfo == NULL) { 11515 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11516 return (ENXIO); 11517 } 11518 if (sdinfo->satadrv_event_flags & 11519 (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) { 11520 sdinfo->satadrv_event_flags = 0; 11521 } 11522 sdinfo->satadrv_event_flags |= SATA_EVNT_CLEAR_DEVICE_RESET; 11523 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11524 11525 if ((tdip = sata_get_scsi_target_dip(SATA_DIP(sata_hba_inst), 11526 &sata_device->satadev_addr)) != NULL) { 11527 /* 11528 * Target node exists. Verify, that it belongs 11529 * to existing, attached device and not to 11530 * a removed device. 11531 */ 11532 if (sata_check_device_removed(tdip) == B_TRUE) { 11533 if (qual == SATA_ADDR_DPMPORT) 11534 sata_log(sata_hba_inst, CE_WARN, 11535 "SATA device at port %d cannot be " 11536 "configured. " 11537 "Application(s) accessing " 11538 "previously attached device " 11539 "have to release it before newly " 11540 "inserted device can be made accessible.", 11541 cport); 11542 else 11543 sata_log(sata_hba_inst, CE_WARN, 11544 "SATA device at port %d:%d cannot be" 11545 "configured. " 11546 "Application(s) accessing " 11547 "previously attached device " 11548 "have to release it before newly " 11549 "inserted device can be made accessible.", 11550 cport, pmport); 11551 return (EIO); 11552 } 11553 /* 11554 * Device was not removed and re-inserted. 11555 * Try to online it. 11556 */ 11557 if (ndi_devi_online(tdip, 0) != NDI_SUCCESS) { 11558 SATA_LOG_D((sata_hba_inst, CE_WARN, 11559 "sata_hba_ioctl: configure: " 11560 "onlining device at SATA port " 11561 "%d:%d failed", cport, pmport)); 11562 return (EIO); 11563 } 11564 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 11565 cport)->cport_mutex); 11566 11567 if (qual == SATA_ADDR_DPMPORT) 11568 pmportinfo->pmport_tgtnode_clean = B_TRUE; 11569 else 11570 cportinfo-> cport_tgtnode_clean = B_TRUE; 11571 11572 mutex_exit(&SATA_CPORT_INFO( 11573 sata_hba_inst, cport)->cport_mutex); 11574 } else { 11575 /* 11576 * No target node - need to create a new target node. 11577 */ 11578 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 11579 cport_mutex); 11580 if (qual == SATA_ADDR_DPMPORT) 11581 pmportinfo->pmport_tgtnode_clean = B_TRUE; 11582 else 11583 cportinfo-> cport_tgtnode_clean = B_TRUE; 11584 11585 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 11586 cport_mutex); 11587 tdip = sata_create_target_node(SATA_DIP(sata_hba_inst), 11588 sata_hba_inst, &sata_device->satadev_addr); 11589 if (tdip == NULL) { 11590 /* Configure operation failed */ 11591 SATA_LOG_D((sata_hba_inst, CE_WARN, 11592 "sata_hba_ioctl: configure: " 11593 "configuring SATA device at port %d:%d " 11594 "failed", cport, pmport)); 11595 return (EIO); 11596 } 11597 } 11598 return (0); 11599 } 11600 11601 11602 /* 11603 * Process ioctl deactivate port request. 11604 * Arbitrarily unconfigure attached device, if any. 11605 * Even if the unconfigure fails, proceed with the 11606 * port deactivation. 11607 * 11608 * NOTE: Port Multiplier code is not completed and tested. 11609 */ 11610 11611 static int 11612 sata_ioctl_deactivate(sata_hba_inst_t *sata_hba_inst, 11613 sata_device_t *sata_device) 11614 { 11615 int cport, pmport, qual; 11616 int rval, rv = 0; 11617 sata_cport_info_t *cportinfo; 11618 sata_pmport_info_t *pmportinfo = NULL; 11619 dev_info_t *tdip; 11620 sata_drive_info_t *sdinfo = NULL; 11621 11622 /* Sanity check */ 11623 if (SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst) == NULL) 11624 return (ENOTSUP); 11625 11626 cport = sata_device->satadev_addr.cport; 11627 pmport = sata_device->satadev_addr.pmport; 11628 qual = sata_device->satadev_addr.qual; 11629 11630 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11631 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 11632 if (qual == SATA_ADDR_CPORT) { 11633 sata_device->satadev_addr.qual = SATA_ADDR_DCPORT; 11634 if (cportinfo->cport_dev_type != SATA_DTYPE_NONE) { 11635 /* 11636 * For now, assume that port multiplier is not 11637 * supported, i.e. deal only with valid devices 11638 */ 11639 if ((cportinfo->cport_dev_type & 11640 SATA_VALID_DEV_TYPE) != 0) 11641 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 11642 /* 11643 * If attached device is a port multiplier, we will 11644 * have to unconfigure all devices attached to the 11645 * port multiplier. Add this code here. 11646 */ 11647 } 11648 cportinfo->cport_state &= ~SATA_STATE_READY; 11649 } else { 11650 /* Port multiplier device port */ 11651 pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); 11652 sata_device->satadev_addr.qual = SATA_ADDR_DPMPORT; 11653 if (pmportinfo->pmport_dev_type != SATA_DTYPE_NONE && 11654 (pmportinfo->pmport_dev_type & SATA_VALID_DEV_TYPE) != 0) 11655 sdinfo = SATA_PMPORTINFO_DRV_INFO(pmportinfo); 11656 pmportinfo->pmport_state &= ~SATA_STATE_READY; 11657 } 11658 11659 if (sdinfo != NULL) { 11660 /* 11661 * If a target node exists, try to offline a device and 11662 * to remove a target node. 11663 */ 11664 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 11665 cport_mutex); 11666 tdip = sata_get_scsi_target_dip(SATA_DIP(sata_hba_inst), 11667 &sata_device->satadev_addr); 11668 if (tdip != NULL) { 11669 /* target node exist */ 11670 SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, 11671 "sata_hba_ioctl: port deactivate: " 11672 "target node exists.", NULL); 11673 11674 if (ndi_devi_offline(tdip, NDI_DEVI_REMOVE) != 11675 NDI_SUCCESS) { 11676 SATA_LOG_D((sata_hba_inst, CE_WARN, 11677 "sata_hba_ioctl: port deactivate: " 11678 "failed to unconfigure device at port " 11679 "%d:%d before deactivating the port", 11680 cport, pmport)); 11681 /* 11682 * Set DEVICE REMOVED state in the target 11683 * node. It will prevent an access to 11684 * the device even when a new device is 11685 * attached, until the old target node is 11686 * released, removed and recreated for a new 11687 * device. 11688 */ 11689 sata_set_device_removed(tdip); 11690 11691 /* 11692 * Instruct the event daemon to try the 11693 * target node cleanup later. 11694 */ 11695 sata_set_target_node_cleanup(sata_hba_inst, 11696 &sata_device->satadev_addr); 11697 } 11698 } 11699 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 11700 cport_mutex); 11701 /* 11702 * In any case, remove and release sata_drive_info 11703 * structure. 11704 */ 11705 if (qual == SATA_ADDR_CPORT) { 11706 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 11707 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 11708 } else { /* port multiplier device port */ 11709 SATA_PMPORTINFO_DRV_INFO(pmportinfo) = NULL; 11710 pmportinfo->pmport_dev_type = SATA_DTYPE_NONE; 11711 } 11712 (void) kmem_free((void *)sdinfo, sizeof (sata_drive_info_t)); 11713 } 11714 if (qual == SATA_ADDR_CPORT) { 11715 cportinfo->cport_state &= ~(SATA_STATE_PROBED | 11716 SATA_STATE_PROBING); 11717 } else { /* port multiplier device port */ 11718 pmportinfo->pmport_state &= ~(SATA_STATE_PROBED | 11719 SATA_STATE_PROBING); 11720 } 11721 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11722 11723 /* Just let HBA driver to deactivate port */ 11724 sata_device->satadev_addr.qual = qual; 11725 rval = (*SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst)) 11726 (SATA_DIP(sata_hba_inst), sata_device); 11727 11728 /* 11729 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 11730 * without the hint 11731 */ 11732 sata_gen_sysevent(sata_hba_inst, &sata_device->satadev_addr, 11733 SE_NO_HINT); 11734 11735 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11736 sata_update_port_info(sata_hba_inst, sata_device); 11737 if (qual == SATA_ADDR_CPORT) { 11738 if (rval != SATA_SUCCESS) { 11739 /* 11740 * Port deactivation failure - do not change port state 11741 * unless the state returned by HBA indicates a port 11742 * failure. 11743 */ 11744 if (sata_device->satadev_state & SATA_PSTATE_FAILED) { 11745 SATA_CPORT_STATE(sata_hba_inst, cport) = 11746 SATA_PSTATE_FAILED; 11747 } 11748 SATA_LOG_D((sata_hba_inst, CE_WARN, 11749 "sata_hba_ioctl: port deactivate: " 11750 "cannot deactivate SATA port %d", cport)); 11751 rv = EIO; 11752 } else { 11753 cportinfo->cport_state |= SATA_PSTATE_SHUTDOWN; 11754 } 11755 } else { 11756 if (rval != SATA_SUCCESS) { 11757 if (sata_device->satadev_state & SATA_PSTATE_FAILED) { 11758 SATA_PMPORT_STATE(sata_hba_inst, cport, 11759 pmport) = SATA_PSTATE_FAILED; 11760 } 11761 SATA_LOG_D((sata_hba_inst, CE_WARN, 11762 "sata_hba_ioctl: port deactivate: " 11763 "cannot deactivate SATA port %d:%d", 11764 cport, pmport)); 11765 rv = EIO; 11766 } else { 11767 pmportinfo->pmport_state |= SATA_PSTATE_SHUTDOWN; 11768 } 11769 } 11770 11771 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11772 11773 return (rv); 11774 } 11775 11776 /* 11777 * Process ioctl port activate request. 11778 * 11779 * NOTE: Port multiplier code is not completed nor tested. 11780 */ 11781 static int 11782 sata_ioctl_activate(sata_hba_inst_t *sata_hba_inst, 11783 sata_device_t *sata_device) 11784 { 11785 int cport, pmport, qual; 11786 sata_cport_info_t *cportinfo; 11787 sata_pmport_info_t *pmportinfo = NULL; 11788 boolean_t dev_existed = TRUE; 11789 11790 /* Sanity check */ 11791 if (SATA_PORT_ACTIVATE_FUNC(sata_hba_inst) == NULL) 11792 return (ENOTSUP); 11793 11794 cport = sata_device->satadev_addr.cport; 11795 pmport = sata_device->satadev_addr.pmport; 11796 qual = sata_device->satadev_addr.qual; 11797 11798 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11799 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 11800 if (qual == SATA_ADDR_PMPORT) { 11801 pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); 11802 if (pmportinfo->pmport_state & SATA_PSTATE_SHUTDOWN || 11803 pmportinfo->pmport_dev_type == SATA_DTYPE_NONE) 11804 dev_existed = FALSE; 11805 } else { /* cport */ 11806 if (cportinfo->cport_state & SATA_PSTATE_SHUTDOWN || 11807 cportinfo->cport_dev_type == SATA_DTYPE_NONE) 11808 dev_existed = FALSE; 11809 } 11810 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11811 11812 /* Just let HBA driver to activate port, if necessary */ 11813 if ((*SATA_PORT_ACTIVATE_FUNC(sata_hba_inst)) 11814 (SATA_DIP(sata_hba_inst), sata_device) != SATA_SUCCESS) { 11815 /* 11816 * Port activation failure - do not change port state unless 11817 * the state returned by HBA indicates a port failure. 11818 */ 11819 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 11820 cport)->cport_mutex); 11821 sata_update_port_info(sata_hba_inst, sata_device); 11822 if (sata_device->satadev_state & SATA_PSTATE_FAILED) { 11823 if (qual == SATA_ADDR_PMPORT) 11824 pmportinfo->pmport_state = SATA_PSTATE_FAILED; 11825 else 11826 cportinfo->cport_state = SATA_PSTATE_FAILED; 11827 11828 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 11829 cport)->cport_mutex); 11830 SATA_LOG_D((sata_hba_inst, CE_WARN, 11831 "sata_hba_ioctl: port activate: cannot activate " 11832 "SATA port %d:%d", cport, pmport)); 11833 return (EIO); 11834 } 11835 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11836 } 11837 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11838 if (qual == SATA_ADDR_PMPORT) 11839 pmportinfo->pmport_state &= ~SATA_PSTATE_SHUTDOWN; 11840 else 11841 cportinfo->cport_state &= ~SATA_PSTATE_SHUTDOWN; 11842 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11843 11844 /* 11845 * Re-probe port to find its current state and possibly attached device. 11846 * Port re-probing may change the cportinfo device type if device is 11847 * found attached. 11848 * If port probing failed, the device type would be set to 11849 * SATA_DTYPE_NONE. 11850 */ 11851 (void) sata_reprobe_port(sata_hba_inst, sata_device, 11852 SATA_DEV_IDENTIFY_RETRY); 11853 11854 /* 11855 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 11856 * without the hint. 11857 */ 11858 sata_gen_sysevent(sata_hba_inst, &sata_device->satadev_addr, 11859 SE_NO_HINT); 11860 11861 if (dev_existed == FALSE) { 11862 if (qual == SATA_ADDR_PMPORT && 11863 pmportinfo->pmport_dev_type != SATA_DTYPE_NONE) { 11864 /* 11865 * That's the transition from the "inactive" port state 11866 * or the active port without a device attached to the 11867 * active port state with a device attached. 11868 */ 11869 sata_log(sata_hba_inst, CE_WARN, 11870 "SATA device detected at port %d:%d", 11871 cport, pmport); 11872 } else if (qual == SATA_ADDR_CPORT && 11873 cportinfo->cport_dev_type != SATA_DTYPE_NONE) { 11874 /* 11875 * That's the transition from the "inactive" port state 11876 * or the active port without a device attached to the 11877 * active port state with a device attached. 11878 */ 11879 if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { 11880 sata_log(sata_hba_inst, CE_WARN, 11881 "SATA device detected at port %d", cport); 11882 } else { 11883 sata_log(sata_hba_inst, CE_WARN, 11884 "SATA port multiplier detected at port %d", 11885 cport); 11886 /* 11887 * Because the detected device is a port 11888 * multiplier, we need to reprobe every device 11889 * port on the port multiplier and show every 11890 * device found attached. 11891 * Add this code here. 11892 */ 11893 } 11894 } 11895 } 11896 return (0); 11897 } 11898 11899 11900 11901 /* 11902 * Process ioctl reset port request. 11903 * 11904 * NOTE: Port multiplier code is not completed nor tested. 11905 */ 11906 static int 11907 sata_ioctl_reset_port(sata_hba_inst_t *sata_hba_inst, 11908 sata_device_t *sata_device) 11909 { 11910 int cport, pmport, qual; 11911 int rv = 0; 11912 11913 cport = sata_device->satadev_addr.cport; 11914 pmport = sata_device->satadev_addr.pmport; 11915 qual = sata_device->satadev_addr.qual; 11916 11917 /* Sanity check */ 11918 if (SATA_RESET_DPORT_FUNC(sata_hba_inst) == NULL) { 11919 SATA_LOG_D((sata_hba_inst, CE_WARN, 11920 "sata_hba_ioctl: sata_hba_tran missing required " 11921 "function sata_tran_reset_dport")); 11922 return (ENOTSUP); 11923 } 11924 11925 /* Ask HBA to reset port */ 11926 if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), 11927 sata_device) != SATA_SUCCESS) { 11928 SATA_LOG_D((sata_hba_inst, CE_WARN, 11929 "sata_hba_ioctl: reset port: failed %d:%d", 11930 cport, pmport)); 11931 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 11932 cport_mutex); 11933 sata_update_port_info(sata_hba_inst, sata_device); 11934 if (qual == SATA_ADDR_CPORT) 11935 SATA_CPORT_STATE(sata_hba_inst, cport) = 11936 SATA_PSTATE_FAILED; 11937 else 11938 SATA_PMPORT_STATE(sata_hba_inst, cport, pmport) = 11939 SATA_PSTATE_FAILED; 11940 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 11941 cport_mutex); 11942 rv = EIO; 11943 } 11944 /* 11945 * Beacuse the port was reset, it should be probed and 11946 * attached device reinitialized. At this point the 11947 * port state is unknown - it's state is HBA-specific. 11948 * Re-probe port to get its state. 11949 */ 11950 if (sata_reprobe_port(sata_hba_inst, sata_device, 11951 SATA_DEV_IDENTIFY_RETRY) != SATA_SUCCESS) { 11952 rv = EIO; 11953 } 11954 return (rv); 11955 } 11956 11957 /* 11958 * Process ioctl reset device request. 11959 * 11960 * NOTE: Port multiplier code is not completed nor tested. 11961 */ 11962 static int 11963 sata_ioctl_reset_device(sata_hba_inst_t *sata_hba_inst, 11964 sata_device_t *sata_device) 11965 { 11966 sata_drive_info_t *sdinfo; 11967 int cport, pmport; 11968 int rv = 0; 11969 11970 /* Sanity check */ 11971 if (SATA_RESET_DPORT_FUNC(sata_hba_inst) == NULL) { 11972 SATA_LOG_D((sata_hba_inst, CE_WARN, 11973 "sata_hba_ioctl: sata_hba_tran missing required " 11974 "function sata_tran_reset_dport")); 11975 return (ENOTSUP); 11976 } 11977 11978 cport = sata_device->satadev_addr.cport; 11979 pmport = sata_device->satadev_addr.pmport; 11980 11981 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11982 if (sata_device->satadev_addr.qual == SATA_ADDR_CPORT) { 11983 sata_device->satadev_addr.qual = SATA_ADDR_DCPORT; 11984 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, 11985 sata_device->satadev_addr.cport); 11986 } else { /* port multiplier */ 11987 sata_device->satadev_addr.qual = SATA_ADDR_DPMPORT; 11988 sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, 11989 sata_device->satadev_addr.cport, 11990 sata_device->satadev_addr.pmport); 11991 } 11992 if (sdinfo == NULL) { 11993 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11994 return (EINVAL); 11995 } 11996 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 11997 11998 /* Ask HBA to reset device */ 11999 if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst)) 12000 (SATA_DIP(sata_hba_inst), sata_device) != SATA_SUCCESS) { 12001 SATA_LOG_D((sata_hba_inst, CE_WARN, 12002 "sata_hba_ioctl: reset device: failed at port %d:%d", 12003 cport, pmport)); 12004 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 12005 cport_mutex); 12006 sata_update_port_info(sata_hba_inst, sata_device); 12007 /* 12008 * Device info structure remains attached. Another device reset 12009 * or port disconnect/connect and re-probing is 12010 * needed to change it's state 12011 */ 12012 sdinfo->satadrv_state &= ~SATA_STATE_READY; 12013 sdinfo->satadrv_state |= SATA_DSTATE_FAILED; 12014 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 12015 rv = EIO; 12016 } 12017 /* 12018 * If attached device was a port multiplier, some extra processing 12019 * may be needed, to bring it back (if port re-probing did not handle 12020 * it). Add such code here. 12021 */ 12022 return (rv); 12023 } 12024 12025 12026 /* 12027 * Process ioctl reset all request. 12028 * 12029 * NOTE: Port multiplier code is not completed nor tested. 12030 */ 12031 static int 12032 sata_ioctl_reset_all(sata_hba_inst_t *sata_hba_inst) 12033 { 12034 sata_device_t sata_device; 12035 int rv = 0; 12036 int tcport; 12037 int tpmport = 0; 12038 12039 sata_device.satadev_rev = SATA_DEVICE_REV; 12040 12041 /* 12042 * There is no protection here for configured devices. 12043 */ 12044 /* Sanity check */ 12045 if (SATA_RESET_DPORT_FUNC(sata_hba_inst) == NULL) { 12046 SATA_LOG_D((sata_hba_inst, CE_WARN, 12047 "sata_hba_ioctl: sata_hba_tran missing required " 12048 "function sata_tran_reset_dport")); 12049 return (ENOTSUP); 12050 } 12051 12052 /* 12053 * Need to lock all ports, not just one. 12054 * If any port is locked by event processing, fail the whole operation. 12055 * One port is already locked, but for simplicity lock it again. 12056 */ 12057 for (tcport = 0; tcport < SATA_NUM_CPORTS(sata_hba_inst); tcport++) { 12058 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, tcport)-> 12059 cport_mutex); 12060 if (((SATA_CPORT_INFO(sata_hba_inst, tcport)-> 12061 cport_event_flags) & SATA_EVNT_LOCK_PORT_BUSY) != 0) { 12062 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, tcport)-> 12063 cport_mutex); 12064 rv = EBUSY; 12065 break; 12066 } else { 12067 SATA_CPORT_INFO(sata_hba_inst, tcport)-> 12068 cport_event_flags |= SATA_APCTL_LOCK_PORT_BUSY; 12069 /* 12070 * If there is a port multiplier attached, we may need 12071 * to lock its port as well. If so, add such code here. 12072 */ 12073 } 12074 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, tcport)-> 12075 cport_mutex); 12076 } 12077 12078 if (rv == 0) { 12079 /* 12080 * All cports were successfully locked. 12081 * Reset main SATA controller only for now - no PMult. 12082 * Set the device address to port 0, to have a valid device 12083 * address. 12084 */ 12085 sata_device.satadev_addr.qual = SATA_ADDR_CNTRL; 12086 sata_device.satadev_addr.cport = 0; 12087 sata_device.satadev_addr.pmport = 0; 12088 12089 if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst)) 12090 (SATA_DIP(sata_hba_inst), &sata_device) != SATA_SUCCESS) { 12091 SATA_LOG_D((sata_hba_inst, CE_WARN, 12092 "sata_hba_ioctl: reset controller failed")); 12093 return (EIO); 12094 } 12095 /* 12096 * Because ports were reset, port states are unknown. 12097 * They should be re-probed to get their state and 12098 * attached devices should be reinitialized. 12099 * Add code here to re-probe port multiplier device ports. 12100 */ 12101 for (tcport = 0; tcport < SATA_NUM_CPORTS(sata_hba_inst); 12102 tcport++) { 12103 sata_device.satadev_addr.cport = tcport; 12104 sata_device.satadev_addr.pmport = tpmport; 12105 sata_device.satadev_addr.qual = SATA_ADDR_CPORT; 12106 12107 if (sata_reprobe_port(sata_hba_inst, &sata_device, 12108 SATA_DEV_IDENTIFY_RETRY) != SATA_SUCCESS) 12109 rv = EIO; 12110 } 12111 } 12112 /* 12113 * Unlock all ports 12114 */ 12115 for (tcport = 0; tcport < SATA_NUM_CPORTS(sata_hba_inst); tcport++) { 12116 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, tcport)-> 12117 cport_mutex); 12118 SATA_CPORT_INFO(sata_hba_inst, tcport)-> 12119 cport_event_flags &= ~SATA_APCTL_LOCK_PORT_BUSY; 12120 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, tcport)-> 12121 cport_mutex); 12122 } 12123 12124 /* 12125 * This operation returns EFAULT if either reset 12126 * controller failed or a re-probing of any port failed. 12127 */ 12128 return (rv); 12129 } 12130 12131 12132 /* 12133 * Process ioctl port self test request. 12134 * 12135 * NOTE: Port multiplier code is not completed nor tested. 12136 */ 12137 static int 12138 sata_ioctl_port_self_test(sata_hba_inst_t *sata_hba_inst, 12139 sata_device_t *sata_device) 12140 { 12141 int cport, pmport, qual; 12142 int rv = 0; 12143 12144 /* Sanity check */ 12145 if (SATA_SELFTEST_FUNC(sata_hba_inst) == NULL) 12146 return (ENOTSUP); 12147 12148 cport = sata_device->satadev_addr.cport; 12149 pmport = sata_device->satadev_addr.pmport; 12150 qual = sata_device->satadev_addr.qual; 12151 12152 /* 12153 * There is no protection here for a configured 12154 * device attached to this port. 12155 */ 12156 12157 if ((*SATA_SELFTEST_FUNC(sata_hba_inst)) 12158 (SATA_DIP(sata_hba_inst), sata_device) != SATA_SUCCESS) { 12159 SATA_LOG_D((sata_hba_inst, CE_WARN, 12160 "sata_hba_ioctl: port selftest: " 12161 "failed port %d:%d", cport, pmport)); 12162 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 12163 cport_mutex); 12164 sata_update_port_info(sata_hba_inst, sata_device); 12165 if (qual == SATA_ADDR_CPORT) 12166 SATA_CPORT_STATE(sata_hba_inst, cport) = 12167 SATA_PSTATE_FAILED; 12168 else /* port ultiplier device port */ 12169 SATA_PMPORT_STATE(sata_hba_inst, cport, pmport) = 12170 SATA_PSTATE_FAILED; 12171 12172 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 12173 cport_mutex); 12174 return (EIO); 12175 } 12176 /* 12177 * Beacuse the port was reset in the course of testing, it should be 12178 * re-probed and attached device state should be restored. At this 12179 * point the port state is unknown - it's state is HBA-specific. 12180 * Force port re-probing to get it into a known state. 12181 */ 12182 if (sata_reprobe_port(sata_hba_inst, sata_device, 12183 SATA_DEV_IDENTIFY_RETRY) != SATA_SUCCESS) 12184 rv = EIO; 12185 return (rv); 12186 } 12187 12188 12189 /* 12190 * sata_cfgadm_state: 12191 * Use the sata port state and state of the target node to figure out 12192 * the cfgadm_state. 12193 * 12194 * The port argument is a value with encoded cport, 12195 * pmport and address qualifier, in the same manner as a scsi target number. 12196 * SCSI_TO_SATA_CPORT macro extracts cport number, 12197 * SCSI_TO_SATA_PMPORT extracts pmport number and 12198 * SCSI_TO_SATA_ADDR_QUAL extracts port mulitplier qualifier flag. 12199 * 12200 * For now, support is for cports only - no port multiplier device ports. 12201 */ 12202 12203 static void 12204 sata_cfgadm_state(sata_hba_inst_t *sata_hba_inst, int32_t port, 12205 devctl_ap_state_t *ap_state) 12206 { 12207 uint16_t cport; 12208 int port_state; 12209 sata_drive_info_t *sdinfo; 12210 12211 /* Cport only */ 12212 cport = SCSI_TO_SATA_CPORT(port); 12213 12214 port_state = SATA_CPORT_STATE(sata_hba_inst, cport); 12215 if (port_state & SATA_PSTATE_SHUTDOWN || 12216 port_state & SATA_PSTATE_FAILED) { 12217 ap_state->ap_rstate = AP_RSTATE_DISCONNECTED; 12218 ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; 12219 if (port_state & SATA_PSTATE_FAILED) 12220 ap_state->ap_condition = AP_COND_FAILED; 12221 else 12222 ap_state->ap_condition = AP_COND_UNKNOWN; 12223 12224 return; 12225 } 12226 12227 /* Need to check pmult device port here as well, when supported */ 12228 12229 /* Port is enabled and ready */ 12230 12231 switch (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport)) { 12232 case SATA_DTYPE_NONE: 12233 { 12234 ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; 12235 ap_state->ap_condition = AP_COND_OK; 12236 /* No device attached */ 12237 ap_state->ap_rstate = AP_RSTATE_EMPTY; 12238 break; 12239 } 12240 case SATA_DTYPE_UNKNOWN: 12241 case SATA_DTYPE_ATAPINONCD: 12242 case SATA_DTYPE_PMULT: /* Until PMult is supported */ 12243 case SATA_DTYPE_ATADISK: 12244 case SATA_DTYPE_ATAPICD: 12245 { 12246 dev_info_t *tdip = NULL; 12247 dev_info_t *dip = NULL; 12248 int circ; 12249 12250 dip = SATA_DIP(sata_hba_inst); 12251 tdip = sata_get_target_dip(dip, port); 12252 ap_state->ap_rstate = AP_RSTATE_CONNECTED; 12253 if (tdip != NULL) { 12254 ndi_devi_enter(dip, &circ); 12255 mutex_enter(&(DEVI(tdip)->devi_lock)); 12256 if (DEVI_IS_DEVICE_REMOVED(tdip)) { 12257 /* 12258 * There could be the case where previously 12259 * configured and opened device was removed 12260 * and unknown device was plugged. 12261 * In such case we want to show a device, and 12262 * its configured or unconfigured state but 12263 * indicate unusable condition untill the 12264 * old target node is released and removed. 12265 */ 12266 ap_state->ap_condition = AP_COND_UNUSABLE; 12267 } else { 12268 mutex_enter(&SATA_CPORT_MUTEX(sata_hba_inst, 12269 cport)); 12270 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, 12271 cport); 12272 if (sdinfo != NULL) { 12273 if ((sdinfo->satadrv_state & 12274 SATA_DSTATE_FAILED) != 0) 12275 ap_state->ap_condition = 12276 AP_COND_FAILED; 12277 else 12278 ap_state->ap_condition = 12279 AP_COND_OK; 12280 } else { 12281 ap_state->ap_condition = 12282 AP_COND_UNKNOWN; 12283 } 12284 mutex_exit(&SATA_CPORT_MUTEX(sata_hba_inst, 12285 cport)); 12286 } 12287 if ((DEVI_IS_DEVICE_OFFLINE(tdip)) || 12288 (DEVI_IS_DEVICE_DOWN(tdip))) { 12289 ap_state->ap_ostate = 12290 AP_OSTATE_UNCONFIGURED; 12291 } else { 12292 ap_state->ap_ostate = 12293 AP_OSTATE_CONFIGURED; 12294 } 12295 mutex_exit(&(DEVI(tdip)->devi_lock)); 12296 ndi_devi_exit(dip, circ); 12297 } else { 12298 ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; 12299 ap_state->ap_condition = AP_COND_UNKNOWN; 12300 } 12301 break; 12302 } 12303 default: 12304 ap_state->ap_rstate = AP_RSTATE_CONNECTED; 12305 ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; 12306 ap_state->ap_condition = AP_COND_UNKNOWN; 12307 /* 12308 * This is actually internal error condition (non fatal), 12309 * because we have already checked all defined device types. 12310 */ 12311 SATA_LOG_D((sata_hba_inst, CE_WARN, 12312 "sata_cfgadm_state: Internal error: " 12313 "unknown device type")); 12314 break; 12315 } 12316 } 12317 12318 12319 /* 12320 * Process ioctl get device path request. 12321 * 12322 * NOTE: Port multiplier code is not completed nor tested. 12323 */ 12324 static int 12325 sata_ioctl_get_device_path(sata_hba_inst_t *sata_hba_inst, 12326 sata_device_t *sata_device, sata_ioctl_data_t *ioc, int mode) 12327 { 12328 char path[MAXPATHLEN]; 12329 uint32_t size; 12330 dev_info_t *tdip; 12331 12332 (void) strcpy(path, "/devices"); 12333 if ((tdip = sata_get_scsi_target_dip(SATA_DIP(sata_hba_inst), 12334 &sata_device->satadev_addr)) == NULL) { 12335 /* 12336 * No such device. If this is a request for a size, do not 12337 * return EINVAL for non-existing target, because cfgadm 12338 * will then indicate a meaningless ioctl failure. 12339 * If this is a request for a path, indicate invalid 12340 * argument. 12341 */ 12342 if (ioc->get_size == 0) 12343 return (EINVAL); 12344 } else { 12345 (void) ddi_pathname(tdip, path + strlen(path)); 12346 } 12347 size = strlen(path) + 1; 12348 12349 if (ioc->get_size != 0) { 12350 if (ddi_copyout((void *)&size, ioc->buf, ioc->bufsiz, 12351 mode) != 0) 12352 return (EFAULT); 12353 } else { 12354 if (ioc->bufsiz != size) 12355 return (EINVAL); 12356 12357 else if (ddi_copyout((void *)&path, ioc->buf, ioc->bufsiz, 12358 mode) != 0) 12359 return (EFAULT); 12360 } 12361 return (0); 12362 } 12363 12364 /* 12365 * Process ioctl get attachment point type request. 12366 * 12367 * NOTE: Port multiplier code is not completed nor tested. 12368 */ 12369 static int 12370 sata_ioctl_get_ap_type(sata_hba_inst_t *sata_hba_inst, 12371 sata_device_t *sata_device, sata_ioctl_data_t *ioc, int mode) 12372 { 12373 uint32_t type_len; 12374 const char *ap_type; 12375 int dev_type; 12376 12377 if (sata_device->satadev_addr.qual == SATA_ADDR_CPORT) 12378 dev_type = SATA_CPORT_DEV_TYPE(sata_hba_inst, 12379 sata_device->satadev_addr.cport); 12380 else /* pmport */ 12381 dev_type = SATA_PMPORT_DEV_TYPE(sata_hba_inst, 12382 sata_device->satadev_addr.cport, 12383 sata_device->satadev_addr.pmport); 12384 12385 switch (dev_type) { 12386 case SATA_DTYPE_NONE: 12387 ap_type = "port"; 12388 break; 12389 12390 case SATA_DTYPE_ATADISK: 12391 ap_type = "disk"; 12392 break; 12393 12394 case SATA_DTYPE_ATAPICD: 12395 ap_type = "cd/dvd"; 12396 break; 12397 12398 case SATA_DTYPE_PMULT: 12399 ap_type = "pmult"; 12400 break; 12401 12402 case SATA_DTYPE_UNKNOWN: 12403 ap_type = "unknown"; 12404 break; 12405 12406 default: 12407 ap_type = "unsupported"; 12408 break; 12409 12410 } /* end of dev_type switch */ 12411 12412 type_len = strlen(ap_type) + 1; 12413 12414 if (ioc->get_size) { 12415 if (ddi_copyout((void *)&type_len, ioc->buf, ioc->bufsiz, 12416 mode) != 0) 12417 return (EFAULT); 12418 } else { 12419 if (ioc->bufsiz != type_len) 12420 return (EINVAL); 12421 12422 if (ddi_copyout((void *)ap_type, ioc->buf, 12423 ioc->bufsiz, mode) != 0) 12424 return (EFAULT); 12425 } 12426 return (0); 12427 12428 } 12429 12430 /* 12431 * Process ioctl get device model info request. 12432 * This operation should return to cfgadm the device model 12433 * information string 12434 * 12435 * NOTE: Port multiplier code is not completed nor tested. 12436 */ 12437 static int 12438 sata_ioctl_get_model_info(sata_hba_inst_t *sata_hba_inst, 12439 sata_device_t *sata_device, sata_ioctl_data_t *ioc, int mode) 12440 { 12441 sata_drive_info_t *sdinfo; 12442 uint32_t info_len; 12443 char ap_info[SATA_ID_MODEL_LEN + 1]; 12444 12445 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 12446 sata_device->satadev_addr.cport)->cport_mutex); 12447 if (sata_device->satadev_addr.qual == SATA_ADDR_CPORT) 12448 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, 12449 sata_device->satadev_addr.cport); 12450 else /* port multiplier */ 12451 sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, 12452 sata_device->satadev_addr.cport, 12453 sata_device->satadev_addr.pmport); 12454 if (sdinfo == NULL) { 12455 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 12456 sata_device->satadev_addr.cport)->cport_mutex); 12457 return (EINVAL); 12458 } 12459 12460 #ifdef _LITTLE_ENDIAN 12461 swab(sdinfo->satadrv_id.ai_model, ap_info, SATA_ID_MODEL_LEN); 12462 #else /* _LITTLE_ENDIAN */ 12463 bcopy(sdinfo->satadrv_id.ai_model, ap_info, SATA_ID_MODEL_LEN); 12464 #endif /* _LITTLE_ENDIAN */ 12465 12466 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 12467 sata_device->satadev_addr.cport)->cport_mutex); 12468 12469 ap_info[SATA_ID_MODEL_LEN] = '\0'; 12470 12471 info_len = strlen(ap_info) + 1; 12472 12473 if (ioc->get_size) { 12474 if (ddi_copyout((void *)&info_len, ioc->buf, ioc->bufsiz, 12475 mode) != 0) 12476 return (EFAULT); 12477 } else { 12478 if (ioc->bufsiz < info_len) 12479 return (EINVAL); 12480 if (ddi_copyout((void *)ap_info, ioc->buf, ioc->bufsiz, 12481 mode) != 0) 12482 return (EFAULT); 12483 } 12484 return (0); 12485 } 12486 12487 12488 /* 12489 * Process ioctl get device firmware revision info request. 12490 * This operation should return to cfgadm the device firmware revision 12491 * information string 12492 * 12493 * NOTE: Port multiplier code is not completed nor tested. 12494 */ 12495 static int 12496 sata_ioctl_get_revfirmware_info(sata_hba_inst_t *sata_hba_inst, 12497 sata_device_t *sata_device, sata_ioctl_data_t *ioc, int mode) 12498 { 12499 sata_drive_info_t *sdinfo; 12500 uint32_t info_len; 12501 char ap_info[SATA_ID_FW_LEN + 1]; 12502 12503 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 12504 sata_device->satadev_addr.cport)->cport_mutex); 12505 if (sata_device->satadev_addr.qual == SATA_ADDR_CPORT) 12506 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, 12507 sata_device->satadev_addr.cport); 12508 else /* port multiplier */ 12509 sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, 12510 sata_device->satadev_addr.cport, 12511 sata_device->satadev_addr.pmport); 12512 if (sdinfo == NULL) { 12513 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 12514 sata_device->satadev_addr.cport)->cport_mutex); 12515 return (EINVAL); 12516 } 12517 12518 #ifdef _LITTLE_ENDIAN 12519 swab(sdinfo->satadrv_id.ai_fw, ap_info, SATA_ID_FW_LEN); 12520 #else /* _LITTLE_ENDIAN */ 12521 bcopy(sdinfo->satadrv_id.ai_fw, ap_info, SATA_ID_FW_LEN); 12522 #endif /* _LITTLE_ENDIAN */ 12523 12524 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 12525 sata_device->satadev_addr.cport)->cport_mutex); 12526 12527 ap_info[SATA_ID_FW_LEN] = '\0'; 12528 12529 info_len = strlen(ap_info) + 1; 12530 12531 if (ioc->get_size) { 12532 if (ddi_copyout((void *)&info_len, ioc->buf, ioc->bufsiz, 12533 mode) != 0) 12534 return (EFAULT); 12535 } else { 12536 if (ioc->bufsiz < info_len) 12537 return (EINVAL); 12538 if (ddi_copyout((void *)ap_info, ioc->buf, ioc->bufsiz, 12539 mode) != 0) 12540 return (EFAULT); 12541 } 12542 return (0); 12543 } 12544 12545 12546 /* 12547 * Process ioctl get device serial number info request. 12548 * This operation should return to cfgadm the device serial number string. 12549 * 12550 * NOTE: Port multiplier code is not completed nor tested. 12551 */ 12552 static int 12553 sata_ioctl_get_serialnumber_info(sata_hba_inst_t *sata_hba_inst, 12554 sata_device_t *sata_device, sata_ioctl_data_t *ioc, int mode) 12555 { 12556 sata_drive_info_t *sdinfo; 12557 uint32_t info_len; 12558 char ap_info[SATA_ID_SERIAL_LEN + 1]; 12559 12560 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 12561 sata_device->satadev_addr.cport)->cport_mutex); 12562 if (sata_device->satadev_addr.qual == SATA_ADDR_CPORT) 12563 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, 12564 sata_device->satadev_addr.cport); 12565 else /* port multiplier */ 12566 sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, 12567 sata_device->satadev_addr.cport, 12568 sata_device->satadev_addr.pmport); 12569 if (sdinfo == NULL) { 12570 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 12571 sata_device->satadev_addr.cport)->cport_mutex); 12572 return (EINVAL); 12573 } 12574 12575 #ifdef _LITTLE_ENDIAN 12576 swab(sdinfo->satadrv_id.ai_drvser, ap_info, SATA_ID_SERIAL_LEN); 12577 #else /* _LITTLE_ENDIAN */ 12578 bcopy(sdinfo->satadrv_id.ai_drvser, ap_info, SATA_ID_SERIAL_LEN); 12579 #endif /* _LITTLE_ENDIAN */ 12580 12581 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 12582 sata_device->satadev_addr.cport)->cport_mutex); 12583 12584 ap_info[SATA_ID_SERIAL_LEN] = '\0'; 12585 12586 info_len = strlen(ap_info) + 1; 12587 12588 if (ioc->get_size) { 12589 if (ddi_copyout((void *)&info_len, ioc->buf, ioc->bufsiz, 12590 mode) != 0) 12591 return (EFAULT); 12592 } else { 12593 if (ioc->bufsiz < info_len) 12594 return (EINVAL); 12595 if (ddi_copyout((void *)ap_info, ioc->buf, ioc->bufsiz, 12596 mode) != 0) 12597 return (EFAULT); 12598 } 12599 return (0); 12600 } 12601 12602 12603 /* 12604 * Preset scsi extended sense data (to NO SENSE) 12605 * First 18 bytes of the sense data are preset to current valid sense 12606 * with a key NO SENSE data. 12607 * 12608 * Returns void 12609 */ 12610 static void 12611 sata_fixed_sense_data_preset(struct scsi_extended_sense *sense) 12612 { 12613 sense->es_valid = 1; /* Valid sense */ 12614 sense->es_class = CLASS_EXTENDED_SENSE; /* 0x70 - current err */ 12615 sense->es_key = KEY_NO_SENSE; 12616 sense->es_info_1 = 0; 12617 sense->es_info_2 = 0; 12618 sense->es_info_3 = 0; 12619 sense->es_info_4 = 0; 12620 sense->es_add_len = 10; /* Additional length - replace with a def */ 12621 sense->es_cmd_info[0] = 0; 12622 sense->es_cmd_info[1] = 0; 12623 sense->es_cmd_info[2] = 0; 12624 sense->es_cmd_info[3] = 0; 12625 sense->es_add_code = 0; 12626 sense->es_qual_code = 0; 12627 } 12628 12629 /* 12630 * Register a legacy cmdk-style devid for the target (disk) device. 12631 * 12632 * Note: This function is called only when the HBA devinfo node has the 12633 * property "use-cmdk-devid-format" set. This property indicates that 12634 * devid compatible with old cmdk (target) driver is to be generated 12635 * for any target device attached to this controller. This will take 12636 * precedence over the devid generated by sd (target) driver. 12637 * This function is derived from cmdk_devid_setup() function in cmdk.c. 12638 */ 12639 static void 12640 sata_target_devid_register(dev_info_t *dip, sata_drive_info_t *sdinfo) 12641 { 12642 char *hwid; 12643 int modlen; 12644 int serlen; 12645 int rval; 12646 ddi_devid_t devid; 12647 12648 /* 12649 * device ID is a concatanation of model number, "=", serial number. 12650 */ 12651 hwid = kmem_zalloc(LEGACY_HWID_LEN, KM_SLEEP); 12652 bcopy(&sdinfo->satadrv_id.ai_model, hwid, 12653 sizeof (sdinfo->satadrv_id.ai_model)); 12654 swab(hwid, hwid, sizeof (sdinfo->satadrv_id.ai_model)); 12655 modlen = sata_check_modser(hwid, sizeof (sdinfo->satadrv_id.ai_model)); 12656 if (modlen == 0) 12657 goto err; 12658 hwid[modlen++] = '='; 12659 bcopy(&sdinfo->satadrv_id.ai_drvser, &hwid[modlen], 12660 sizeof (sdinfo->satadrv_id.ai_drvser)); 12661 swab(&hwid[modlen], &hwid[modlen], 12662 sizeof (sdinfo->satadrv_id.ai_drvser)); 12663 serlen = sata_check_modser(&hwid[modlen], 12664 sizeof (sdinfo->satadrv_id.ai_drvser)); 12665 if (serlen == 0) 12666 goto err; 12667 hwid[modlen + serlen] = 0; /* terminate the hwid string */ 12668 12669 /* initialize/register devid */ 12670 if ((rval = ddi_devid_init(dip, DEVID_ATA_SERIAL, 12671 (ushort_t)(modlen + serlen), hwid, &devid)) == DDI_SUCCESS) 12672 rval = ddi_devid_register(dip, devid); 12673 12674 if (rval != DDI_SUCCESS) 12675 cmn_err(CE_WARN, "sata: failed to create devid for the disk" 12676 " on port %d", sdinfo->satadrv_addr.cport); 12677 err: 12678 kmem_free(hwid, LEGACY_HWID_LEN); 12679 } 12680 12681 /* 12682 * valid model/serial string must contain a non-zero non-space characters. 12683 * trim trailing spaces/NULLs. 12684 */ 12685 static int 12686 sata_check_modser(char *buf, int buf_len) 12687 { 12688 boolean_t ret; 12689 char *s; 12690 int i; 12691 int tb; 12692 char ch; 12693 12694 ret = B_FALSE; 12695 s = buf; 12696 for (i = 0; i < buf_len; i++) { 12697 ch = *s++; 12698 if (ch != ' ' && ch != '\0') 12699 tb = i + 1; 12700 if (ch != ' ' && ch != '\0' && ch != '0') 12701 ret = B_TRUE; 12702 } 12703 12704 if (ret == B_FALSE) 12705 return (0); /* invalid string */ 12706 12707 return (tb); /* return length */ 12708 } 12709 12710 /* 12711 * sata_set_drive_features function compares current device features setting 12712 * with the saved device features settings and, if there is a difference, 12713 * it restores device features setting to the previously saved state. 12714 * It also arbitrarily tries to select the highest supported DMA mode. 12715 * Device Identify or Identify Packet Device data has to be current. 12716 * At the moment read ahead and write cache are considered for all devices. 12717 * For atapi devices, Removable Media Status Notification is set in addition 12718 * to common features. 12719 * 12720 * This function cannot be called in the interrupt context (it may sleep). 12721 * 12722 * The input argument sdinfo should point to the drive info structure 12723 * to be updated after features are set. Note, that only 12724 * device (packet) identify data is updated, not the flags indicating the 12725 * supported features. 12726 * 12727 * Returns TRUE if successful or there was nothing to do. Device Identify data 12728 * in the drive info structure pointed to by the sdinfo argumens is updated 12729 * even when no features were set or changed. 12730 * 12731 * Returns FALSE if device features could not be set. 12732 * 12733 * Note: This function may fail the port, making it inaccessible. 12734 * In such case the explicit port disconnect/connect or physical device 12735 * detach/attach is required to re-evaluate port state again. 12736 */ 12737 12738 static int 12739 sata_set_drive_features(sata_hba_inst_t *sata_hba_inst, 12740 sata_drive_info_t *sdinfo, int restore) 12741 { 12742 int rval = SATA_SUCCESS; 12743 sata_drive_info_t new_sdinfo; 12744 char *finfo = "sata_set_drive_features: cannot"; 12745 char *finfox; 12746 int cache_op; 12747 12748 bzero(&new_sdinfo, sizeof (sata_drive_info_t)); 12749 new_sdinfo.satadrv_addr = sdinfo->satadrv_addr; 12750 new_sdinfo.satadrv_type = sdinfo->satadrv_type; 12751 if (sata_fetch_device_identify_data(sata_hba_inst, &new_sdinfo) != 0) { 12752 /* 12753 * Cannot get device identification - retry later 12754 */ 12755 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 12756 "%s fetch device identify data\n", finfo); 12757 return (SATA_FAILURE); 12758 } 12759 finfox = (restore != 0) ? " restore device features" : 12760 " initialize device features\n"; 12761 12762 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 12763 /* Arbitrarily set UDMA mode */ 12764 if (sata_set_dma_mode(sata_hba_inst, &new_sdinfo) != 12765 SATA_SUCCESS) { 12766 SATA_LOG_D((sata_hba_inst, CE_WARN, 12767 "%s set UDMA mode\n", finfo)); 12768 return (SATA_FAILURE); 12769 } 12770 } else { /* Assume SATA ATAPI CD/DVD */ 12771 /* Set Removable Media Status Notification, if necessary */ 12772 if ((new_sdinfo.satadrv_id.ai_cmdset83 & 12773 SATA_RM_STATUS_NOTIFIC) != 0 && restore != 0) { 12774 if (((sdinfo->satadrv_settings & SATA_DEV_RMSN) && 12775 (!(new_sdinfo.satadrv_id.ai_features86 & 12776 SATA_RM_STATUS_NOTIFIC))) || 12777 ((!(sdinfo->satadrv_settings & SATA_DEV_RMSN)) && 12778 (new_sdinfo.satadrv_id.ai_features86 & 12779 SATA_RM_STATUS_NOTIFIC))) { 12780 /* Current setting does not match saved one */ 12781 if (sata_set_rmsn(sata_hba_inst, sdinfo, 12782 sdinfo->satadrv_settings & 12783 SATA_DEV_RMSN) != SATA_SUCCESS) 12784 rval = SATA_FAILURE; 12785 } 12786 } 12787 /* 12788 * We have to set Multiword DMA or UDMA, if it is supported, as 12789 * we want to use DMA transfer mode whenever possible. 12790 * Some devices require explicit setting of the DMA mode. 12791 */ 12792 if (new_sdinfo.satadrv_id.ai_cap & SATA_DMA_SUPPORT) { 12793 /* Set highest supported DMA mode */ 12794 if (sata_set_dma_mode(sata_hba_inst, &new_sdinfo) != 12795 SATA_SUCCESS) { 12796 SATA_LOG_D((sata_hba_inst, CE_WARN, 12797 "%s set UDMA mode\n", finfo)); 12798 rval = SATA_FAILURE; 12799 } 12800 } 12801 } 12802 12803 if (!(new_sdinfo.satadrv_id.ai_cmdset82 & SATA_LOOK_AHEAD) && 12804 !(new_sdinfo.satadrv_id.ai_cmdset82 & SATA_WRITE_CACHE)) { 12805 /* None of the features is supported - do nothing */ 12806 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 12807 "settable features not supported\n", NULL); 12808 goto update_sdinfo; 12809 } 12810 12811 if (((new_sdinfo.satadrv_id.ai_features85 & SATA_LOOK_AHEAD) && 12812 (sdinfo->satadrv_settings & SATA_DEV_READ_AHEAD)) && 12813 ((new_sdinfo.satadrv_id.ai_features85 & SATA_WRITE_CACHE) && 12814 (sdinfo->satadrv_settings & SATA_DEV_WRITE_CACHE))) { 12815 /* Nothing to do */ 12816 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 12817 "no device features to set\n", NULL); 12818 goto update_sdinfo; 12819 } 12820 12821 if (!((new_sdinfo.satadrv_id.ai_features85 & SATA_LOOK_AHEAD) && 12822 (sdinfo->satadrv_settings & SATA_DEV_READ_AHEAD))) { 12823 if (sdinfo->satadrv_settings & SATA_DEV_READ_AHEAD) { 12824 /* Enable read ahead / read cache */ 12825 cache_op = SATAC_SF_ENABLE_READ_AHEAD; 12826 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 12827 "enabling read cache\n", NULL); 12828 } else { 12829 /* Disable read ahead / read cache */ 12830 cache_op = SATAC_SF_DISABLE_READ_AHEAD; 12831 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 12832 "disabling read cache\n", NULL); 12833 } 12834 12835 /* Try to set read cache mode */ 12836 if (sata_set_cache_mode(sata_hba_inst, &new_sdinfo, 12837 cache_op) != SATA_SUCCESS) { 12838 /* Pkt execution failed */ 12839 rval = SATA_FAILURE; 12840 } 12841 } 12842 12843 if (!((new_sdinfo.satadrv_id.ai_features85 & SATA_WRITE_CACHE) && 12844 (sdinfo->satadrv_settings & SATA_DEV_WRITE_CACHE))) { 12845 if (sdinfo->satadrv_settings & SATA_DEV_WRITE_CACHE) { 12846 /* Enable write cache */ 12847 cache_op = SATAC_SF_ENABLE_WRITE_CACHE; 12848 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 12849 "enabling write cache\n", NULL); 12850 } else { 12851 /* Disable write cache */ 12852 cache_op = SATAC_SF_DISABLE_WRITE_CACHE; 12853 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 12854 "disabling write cache\n", NULL); 12855 } 12856 /* Try to set write cache mode */ 12857 if (sata_set_cache_mode(sata_hba_inst, &new_sdinfo, 12858 cache_op) != SATA_SUCCESS) { 12859 /* Pkt execution failed */ 12860 rval = SATA_FAILURE; 12861 } 12862 } 12863 12864 if (rval == SATA_FAILURE) 12865 SATA_LOG_D((sata_hba_inst, CE_WARN, 12866 "%s %s", finfo, finfox)); 12867 update_sdinfo: 12868 /* 12869 * We need to fetch Device Identify data again 12870 */ 12871 if (sata_fetch_device_identify_data(sata_hba_inst, &new_sdinfo) != 0) { 12872 /* 12873 * Cannot get device identification - retry later 12874 */ 12875 SATA_LOG_D((sata_hba_inst, CE_WARN, 12876 "%s re-fetch device identify data\n", finfo)); 12877 rval = SATA_FAILURE; 12878 } 12879 /* Copy device sata info. */ 12880 sdinfo->satadrv_id = new_sdinfo.satadrv_id; 12881 12882 return (rval); 12883 } 12884 12885 12886 /* 12887 * 12888 * Returns 1 if threshold exceeded, 0 if threshold not exceeded, -1 if 12889 * unable to determine. 12890 * 12891 * Cannot be called in an interrupt context. 12892 * 12893 * Called by sata_build_lsense_page_2f() 12894 */ 12895 12896 static int 12897 sata_fetch_smart_return_status(sata_hba_inst_t *sata_hba_inst, 12898 sata_drive_info_t *sdinfo) 12899 { 12900 sata_pkt_t *spkt; 12901 sata_cmd_t *scmd; 12902 sata_pkt_txlate_t *spx; 12903 int rval; 12904 12905 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 12906 spx->txlt_sata_hba_inst = sata_hba_inst; 12907 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 12908 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 12909 if (spkt == NULL) { 12910 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 12911 return (-1); 12912 } 12913 /* address is needed now */ 12914 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 12915 12916 12917 /* Fill sata_pkt */ 12918 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 12919 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 12920 /* Synchronous mode, no callback */ 12921 spkt->satapkt_comp = NULL; 12922 /* Timeout 30s */ 12923 spkt->satapkt_time = sata_default_pkt_time; 12924 12925 scmd = &spkt->satapkt_cmd; 12926 scmd->satacmd_flags.sata_special_regs = B_TRUE; 12927 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 12928 12929 /* Set up which registers need to be returned */ 12930 scmd->satacmd_flags.sata_copy_out_lba_mid_lsb = B_TRUE; 12931 scmd->satacmd_flags.sata_copy_out_lba_high_lsb = B_TRUE; 12932 12933 /* Build SMART_RETURN_STATUS cmd in the sata_pkt */ 12934 scmd->satacmd_addr_type = 0; /* N/A */ 12935 scmd->satacmd_sec_count_lsb = 0; /* N/A */ 12936 scmd->satacmd_lba_low_lsb = 0; /* N/A */ 12937 scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; 12938 scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; 12939 scmd->satacmd_features_reg = SATA_SMART_RETURN_STATUS; 12940 scmd->satacmd_device_reg = 0; /* Always device 0 */ 12941 scmd->satacmd_cmd_reg = SATAC_SMART; 12942 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 12943 sdinfo->satadrv_addr.cport))); 12944 12945 12946 /* Send pkt to SATA HBA driver */ 12947 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 12948 SATA_TRAN_ACCEPTED || 12949 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 12950 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 12951 sdinfo->satadrv_addr.cport))); 12952 /* 12953 * Whoops, no SMART RETURN STATUS 12954 */ 12955 rval = -1; 12956 } else { 12957 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 12958 sdinfo->satadrv_addr.cport))); 12959 if (scmd->satacmd_error_reg & SATA_ERROR_ABORT) { 12960 rval = -1; 12961 goto fail; 12962 } 12963 if (scmd->satacmd_status_reg & SATA_STATUS_ERR) { 12964 rval = -1; 12965 goto fail; 12966 } 12967 if ((scmd->satacmd_lba_mid_lsb == SMART_MAGIC_VAL_1) && 12968 (scmd->satacmd_lba_high_lsb == SMART_MAGIC_VAL_2)) 12969 rval = 0; 12970 else if ((scmd->satacmd_lba_mid_lsb == SMART_MAGIC_VAL_3) && 12971 (scmd->satacmd_lba_high_lsb == SMART_MAGIC_VAL_4)) 12972 rval = 1; 12973 else { 12974 rval = -1; 12975 goto fail; 12976 } 12977 } 12978 fail: 12979 /* Free allocated resources */ 12980 sata_pkt_free(spx); 12981 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 12982 12983 return (rval); 12984 } 12985 12986 /* 12987 * 12988 * Returns 0 if succeeded, -1 otherwise 12989 * 12990 * Cannot be called in an interrupt context. 12991 * 12992 */ 12993 static int 12994 sata_fetch_smart_data( 12995 sata_hba_inst_t *sata_hba_inst, 12996 sata_drive_info_t *sdinfo, 12997 struct smart_data *smart_data) 12998 { 12999 sata_pkt_t *spkt; 13000 sata_cmd_t *scmd; 13001 sata_pkt_txlate_t *spx; 13002 int rval; 13003 13004 #if ! defined(lint) 13005 ASSERT(sizeof (struct smart_data) == 512); 13006 #endif 13007 13008 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 13009 spx->txlt_sata_hba_inst = sata_hba_inst; 13010 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 13011 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 13012 if (spkt == NULL) { 13013 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13014 return (-1); 13015 } 13016 /* address is needed now */ 13017 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13018 13019 13020 /* Fill sata_pkt */ 13021 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13022 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 13023 /* Synchronous mode, no callback */ 13024 spkt->satapkt_comp = NULL; 13025 /* Timeout 30s */ 13026 spkt->satapkt_time = sata_default_pkt_time; 13027 13028 scmd = &spkt->satapkt_cmd; 13029 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 13030 13031 /* 13032 * Allocate buffer for SMART data 13033 */ 13034 scmd->satacmd_bp = sata_alloc_local_buffer(spx, 13035 sizeof (struct smart_data)); 13036 if (scmd->satacmd_bp == NULL) { 13037 sata_pkt_free(spx); 13038 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13039 SATA_LOG_D((sata_hba_inst, CE_WARN, 13040 "sata_fetch_smart_data: " 13041 "cannot allocate buffer")); 13042 return (-1); 13043 } 13044 13045 13046 /* Build SMART_READ_DATA cmd in the sata_pkt */ 13047 scmd->satacmd_addr_type = 0; /* N/A */ 13048 scmd->satacmd_sec_count_lsb = 0; /* N/A */ 13049 scmd->satacmd_lba_low_lsb = 0; /* N/A */ 13050 scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; 13051 scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; 13052 scmd->satacmd_features_reg = SATA_SMART_READ_DATA; 13053 scmd->satacmd_device_reg = 0; /* Always device 0 */ 13054 scmd->satacmd_cmd_reg = SATAC_SMART; 13055 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 13056 sdinfo->satadrv_addr.cport))); 13057 13058 /* Send pkt to SATA HBA driver */ 13059 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 13060 SATA_TRAN_ACCEPTED || 13061 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 13062 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13063 sdinfo->satadrv_addr.cport))); 13064 /* 13065 * Whoops, no SMART DATA available 13066 */ 13067 rval = -1; 13068 goto fail; 13069 } else { 13070 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13071 sdinfo->satadrv_addr.cport))); 13072 if (spx->txlt_buf_dma_handle != NULL) { 13073 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 13074 DDI_DMA_SYNC_FORKERNEL); 13075 ASSERT(rval == DDI_SUCCESS); 13076 } 13077 bcopy(scmd->satacmd_bp->b_un.b_addr, (uint8_t *)smart_data, 13078 sizeof (struct smart_data)); 13079 } 13080 13081 fail: 13082 /* Free allocated resources */ 13083 sata_free_local_buffer(spx); 13084 sata_pkt_free(spx); 13085 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13086 13087 return (rval); 13088 } 13089 13090 /* 13091 * Used by LOG SENSE page 0x10 13092 * Reads (in synchronous mode) the self test log data using Read Log Ext cmd. 13093 * Note: cannot be called in the interrupt context. 13094 * 13095 * return 0 for success, -1 otherwise 13096 * 13097 */ 13098 static int 13099 sata_ext_smart_selftest_read_log( 13100 sata_hba_inst_t *sata_hba_inst, 13101 sata_drive_info_t *sdinfo, 13102 struct smart_ext_selftest_log *ext_selftest_log, 13103 uint16_t block_num) 13104 { 13105 sata_pkt_txlate_t *spx; 13106 sata_pkt_t *spkt; 13107 sata_cmd_t *scmd; 13108 int rval; 13109 13110 #if ! defined(lint) 13111 ASSERT(sizeof (struct smart_ext_selftest_log) == 512); 13112 #endif 13113 13114 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 13115 spx->txlt_sata_hba_inst = sata_hba_inst; 13116 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 13117 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 13118 if (spkt == NULL) { 13119 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13120 return (-1); 13121 } 13122 /* address is needed now */ 13123 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13124 13125 13126 /* Fill sata_pkt */ 13127 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13128 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 13129 /* Synchronous mode, no callback */ 13130 spkt->satapkt_comp = NULL; 13131 /* Timeout 30s */ 13132 spkt->satapkt_time = sata_default_pkt_time; 13133 13134 scmd = &spkt->satapkt_cmd; 13135 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 13136 13137 /* 13138 * Allocate buffer for SMART extended self-test log 13139 */ 13140 scmd->satacmd_bp = sata_alloc_local_buffer(spx, 13141 sizeof (struct smart_ext_selftest_log)); 13142 if (scmd->satacmd_bp == NULL) { 13143 sata_pkt_free(spx); 13144 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13145 SATA_LOG_D((sata_hba_inst, CE_WARN, 13146 "sata_ext_smart_selftest_log: " 13147 "cannot allocate buffer")); 13148 return (-1); 13149 } 13150 13151 /* Build READ LOG EXT w/ extended self-test log cmd in the sata_pkt */ 13152 scmd->satacmd_addr_type = ATA_ADDR_LBA48; 13153 scmd->satacmd_sec_count_lsb = 1; /* One sector of selftest log */ 13154 scmd->satacmd_sec_count_msb = 0; /* One sector of selftest log */ 13155 scmd->satacmd_lba_low_lsb = EXT_SMART_SELFTEST_LOG_PAGE; 13156 scmd->satacmd_lba_low_msb = 0; 13157 scmd->satacmd_lba_mid_lsb = block_num & 0xff; 13158 scmd->satacmd_lba_mid_msb = block_num >> 8; 13159 scmd->satacmd_device_reg = 0; /* Always device 0 */ 13160 scmd->satacmd_cmd_reg = SATAC_READ_LOG_EXT; 13161 13162 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 13163 sdinfo->satadrv_addr.cport))); 13164 13165 /* Send pkt to SATA HBA driver */ 13166 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 13167 SATA_TRAN_ACCEPTED || 13168 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 13169 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13170 sdinfo->satadrv_addr.cport))); 13171 13172 /* 13173 * Whoops, no SMART selftest log info available 13174 */ 13175 rval = -1; 13176 goto fail; 13177 } else { 13178 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13179 sdinfo->satadrv_addr.cport))); 13180 13181 if (spx->txlt_buf_dma_handle != NULL) { 13182 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 13183 DDI_DMA_SYNC_FORKERNEL); 13184 ASSERT(rval == DDI_SUCCESS); 13185 } 13186 bcopy(scmd->satacmd_bp->b_un.b_addr, 13187 (uint8_t *)ext_selftest_log, 13188 sizeof (struct smart_ext_selftest_log)); 13189 rval = 0; 13190 } 13191 13192 fail: 13193 /* Free allocated resources */ 13194 sata_free_local_buffer(spx); 13195 sata_pkt_free(spx); 13196 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13197 13198 return (rval); 13199 } 13200 13201 /* 13202 * Returns 0 for success, -1 otherwise 13203 * 13204 * SMART self-test log data is returned in buffer pointed to by selftest_log 13205 */ 13206 static int 13207 sata_smart_selftest_log( 13208 sata_hba_inst_t *sata_hba_inst, 13209 sata_drive_info_t *sdinfo, 13210 struct smart_selftest_log *selftest_log) 13211 { 13212 sata_pkt_t *spkt; 13213 sata_cmd_t *scmd; 13214 sata_pkt_txlate_t *spx; 13215 int rval; 13216 13217 #if ! defined(lint) 13218 ASSERT(sizeof (struct smart_selftest_log) == 512); 13219 #endif 13220 13221 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 13222 spx->txlt_sata_hba_inst = sata_hba_inst; 13223 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 13224 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 13225 if (spkt == NULL) { 13226 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13227 return (-1); 13228 } 13229 /* address is needed now */ 13230 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13231 13232 13233 /* Fill sata_pkt */ 13234 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13235 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 13236 /* Synchronous mode, no callback */ 13237 spkt->satapkt_comp = NULL; 13238 /* Timeout 30s */ 13239 spkt->satapkt_time = sata_default_pkt_time; 13240 13241 scmd = &spkt->satapkt_cmd; 13242 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 13243 13244 /* 13245 * Allocate buffer for SMART SELFTEST LOG 13246 */ 13247 scmd->satacmd_bp = sata_alloc_local_buffer(spx, 13248 sizeof (struct smart_selftest_log)); 13249 if (scmd->satacmd_bp == NULL) { 13250 sata_pkt_free(spx); 13251 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13252 SATA_LOG_D((sata_hba_inst, CE_WARN, 13253 "sata_smart_selftest_log: " 13254 "cannot allocate buffer")); 13255 return (-1); 13256 } 13257 13258 /* Build SMART_READ_LOG cmd in the sata_pkt */ 13259 scmd->satacmd_addr_type = 0; /* N/A */ 13260 scmd->satacmd_sec_count_lsb = 1; /* One sector of SMART log */ 13261 scmd->satacmd_lba_low_lsb = SMART_SELFTEST_LOG_PAGE; 13262 scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; 13263 scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; 13264 scmd->satacmd_features_reg = SATA_SMART_READ_LOG; 13265 scmd->satacmd_device_reg = 0; /* Always device 0 */ 13266 scmd->satacmd_cmd_reg = SATAC_SMART; 13267 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 13268 sdinfo->satadrv_addr.cport))); 13269 13270 /* Send pkt to SATA HBA driver */ 13271 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 13272 SATA_TRAN_ACCEPTED || 13273 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 13274 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13275 sdinfo->satadrv_addr.cport))); 13276 /* 13277 * Whoops, no SMART DATA available 13278 */ 13279 rval = -1; 13280 goto fail; 13281 } else { 13282 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13283 sdinfo->satadrv_addr.cport))); 13284 if (spx->txlt_buf_dma_handle != NULL) { 13285 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 13286 DDI_DMA_SYNC_FORKERNEL); 13287 ASSERT(rval == DDI_SUCCESS); 13288 } 13289 bcopy(scmd->satacmd_bp->b_un.b_addr, (uint8_t *)selftest_log, 13290 sizeof (struct smart_selftest_log)); 13291 rval = 0; 13292 } 13293 13294 fail: 13295 /* Free allocated resources */ 13296 sata_free_local_buffer(spx); 13297 sata_pkt_free(spx); 13298 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13299 13300 return (rval); 13301 } 13302 13303 13304 /* 13305 * Returns 0 for success, -1 otherwise 13306 * 13307 * SMART READ LOG data is returned in buffer pointed to by smart_log 13308 */ 13309 static int 13310 sata_smart_read_log( 13311 sata_hba_inst_t *sata_hba_inst, 13312 sata_drive_info_t *sdinfo, 13313 uint8_t *smart_log, /* where the data should be returned */ 13314 uint8_t which_log, /* which log should be returned */ 13315 uint8_t log_size) /* # of 512 bytes in log */ 13316 { 13317 sata_pkt_t *spkt; 13318 sata_cmd_t *scmd; 13319 sata_pkt_txlate_t *spx; 13320 int rval; 13321 13322 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 13323 spx->txlt_sata_hba_inst = sata_hba_inst; 13324 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 13325 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 13326 if (spkt == NULL) { 13327 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13328 return (-1); 13329 } 13330 /* address is needed now */ 13331 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13332 13333 13334 /* Fill sata_pkt */ 13335 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13336 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 13337 /* Synchronous mode, no callback */ 13338 spkt->satapkt_comp = NULL; 13339 /* Timeout 30s */ 13340 spkt->satapkt_time = sata_default_pkt_time; 13341 13342 scmd = &spkt->satapkt_cmd; 13343 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 13344 13345 /* 13346 * Allocate buffer for SMART READ LOG 13347 */ 13348 scmd->satacmd_bp = sata_alloc_local_buffer(spx, log_size * 512); 13349 if (scmd->satacmd_bp == NULL) { 13350 sata_pkt_free(spx); 13351 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13352 SATA_LOG_D((sata_hba_inst, CE_WARN, 13353 "sata_smart_read_log: " "cannot allocate buffer")); 13354 return (-1); 13355 } 13356 13357 /* Build SMART_READ_LOG cmd in the sata_pkt */ 13358 scmd->satacmd_addr_type = 0; /* N/A */ 13359 scmd->satacmd_sec_count_lsb = log_size; /* what the caller asked for */ 13360 scmd->satacmd_lba_low_lsb = which_log; /* which log page */ 13361 scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; 13362 scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; 13363 scmd->satacmd_features_reg = SATA_SMART_READ_LOG; 13364 scmd->satacmd_device_reg = 0; /* Always device 0 */ 13365 scmd->satacmd_cmd_reg = SATAC_SMART; 13366 13367 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 13368 sdinfo->satadrv_addr.cport))); 13369 13370 /* Send pkt to SATA HBA driver */ 13371 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 13372 SATA_TRAN_ACCEPTED || 13373 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 13374 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13375 sdinfo->satadrv_addr.cport))); 13376 13377 /* 13378 * Whoops, no SMART DATA available 13379 */ 13380 rval = -1; 13381 goto fail; 13382 } else { 13383 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13384 sdinfo->satadrv_addr.cport))); 13385 13386 if (spx->txlt_buf_dma_handle != NULL) { 13387 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 13388 DDI_DMA_SYNC_FORKERNEL); 13389 ASSERT(rval == DDI_SUCCESS); 13390 } 13391 bcopy(scmd->satacmd_bp->b_un.b_addr, smart_log, log_size * 512); 13392 rval = 0; 13393 } 13394 13395 fail: 13396 /* Free allocated resources */ 13397 sata_free_local_buffer(spx); 13398 sata_pkt_free(spx); 13399 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13400 13401 return (rval); 13402 } 13403 13404 /* 13405 * Used by LOG SENSE page 0x10 13406 * 13407 * return 0 for success, -1 otherwise 13408 * 13409 */ 13410 static int 13411 sata_read_log_ext_directory( 13412 sata_hba_inst_t *sata_hba_inst, 13413 sata_drive_info_t *sdinfo, 13414 struct read_log_ext_directory *logdir) 13415 { 13416 sata_pkt_txlate_t *spx; 13417 sata_pkt_t *spkt; 13418 sata_cmd_t *scmd; 13419 int rval; 13420 13421 #if ! defined(lint) 13422 ASSERT(sizeof (struct read_log_ext_directory) == 512); 13423 #endif 13424 13425 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 13426 spx->txlt_sata_hba_inst = sata_hba_inst; 13427 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 13428 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 13429 if (spkt == NULL) { 13430 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13431 return (-1); 13432 } 13433 13434 /* Fill sata_pkt */ 13435 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 13436 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 13437 /* Synchronous mode, no callback */ 13438 spkt->satapkt_comp = NULL; 13439 /* Timeout 30s */ 13440 spkt->satapkt_time = sata_default_pkt_time; 13441 13442 scmd = &spkt->satapkt_cmd; 13443 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 13444 13445 /* 13446 * Allocate buffer for SMART READ LOG EXTENDED command 13447 */ 13448 scmd->satacmd_bp = sata_alloc_local_buffer(spx, 13449 sizeof (struct read_log_ext_directory)); 13450 if (scmd->satacmd_bp == NULL) { 13451 sata_pkt_free(spx); 13452 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13453 SATA_LOG_D((sata_hba_inst, CE_WARN, 13454 "sata_read_log_ext_directory: " 13455 "cannot allocate buffer")); 13456 return (-1); 13457 } 13458 13459 /* Build READ LOG EXT w/ log directory cmd in the sata_pkt */ 13460 scmd->satacmd_addr_type = ATA_ADDR_LBA48; 13461 scmd->satacmd_sec_count_lsb = 1; /* One sector of directory */ 13462 scmd->satacmd_sec_count_msb = 0; /* One sector of directory */ 13463 scmd->satacmd_lba_low_lsb = READ_LOG_EXT_LOG_DIRECTORY; 13464 scmd->satacmd_lba_low_msb = 0; 13465 scmd->satacmd_lba_mid_lsb = 0; 13466 scmd->satacmd_lba_mid_msb = 0; 13467 scmd->satacmd_device_reg = 0; /* Always device 0 */ 13468 scmd->satacmd_cmd_reg = SATAC_READ_LOG_EXT; 13469 13470 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 13471 sdinfo->satadrv_addr.cport))); 13472 13473 /* Send pkt to SATA HBA driver */ 13474 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 13475 SATA_TRAN_ACCEPTED || 13476 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 13477 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13478 sdinfo->satadrv_addr.cport))); 13479 /* 13480 * Whoops, no SMART selftest log info available 13481 */ 13482 rval = -1; 13483 goto fail; 13484 } else { 13485 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 13486 sdinfo->satadrv_addr.cport))); 13487 if (spx->txlt_buf_dma_handle != NULL) { 13488 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 13489 DDI_DMA_SYNC_FORKERNEL); 13490 ASSERT(rval == DDI_SUCCESS); 13491 } 13492 bcopy(scmd->satacmd_bp->b_un.b_addr, (uint8_t *)logdir, 13493 sizeof (struct read_log_ext_directory)); 13494 rval = 0; 13495 } 13496 13497 fail: 13498 /* Free allocated resources */ 13499 sata_free_local_buffer(spx); 13500 sata_pkt_free(spx); 13501 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 13502 13503 return (rval); 13504 } 13505 13506 /* 13507 * Set up error retrieval sata command for NCQ command error data 13508 * recovery. 13509 * 13510 * Returns SATA_SUCCESS when data buffer is allocated and packet set-up, 13511 * returns SATA_FAILURE otherwise. 13512 */ 13513 static int 13514 sata_ncq_err_ret_cmd_setup(sata_pkt_txlate_t *spx, sata_drive_info_t *sdinfo) 13515 { 13516 #ifndef __lock_lint 13517 _NOTE(ARGUNUSED(sdinfo)) 13518 #endif 13519 13520 sata_pkt_t *spkt = spx->txlt_sata_pkt; 13521 sata_cmd_t *scmd; 13522 struct buf *bp; 13523 13524 /* Operation modes are up to the caller */ 13525 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 13526 13527 /* Synchronous mode, no callback - may be changed by the caller */ 13528 spkt->satapkt_comp = NULL; 13529 spkt->satapkt_time = sata_default_pkt_time; 13530 13531 scmd = &spkt->satapkt_cmd; 13532 bcopy(&sata_rle_cmd, scmd, sizeof (sata_cmd_t)); 13533 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 13534 13535 /* 13536 * Allocate dma_able buffer error data. 13537 * Buffer allocation will take care of buffer alignment and other DMA 13538 * attributes. 13539 */ 13540 bp = sata_alloc_local_buffer(spx, 13541 sizeof (struct sata_ncq_error_recovery_page)); 13542 if (bp == NULL) 13543 return (SATA_FAILURE); 13544 13545 bp_mapin(bp); /* make data buffer accessible */ 13546 scmd->satacmd_bp = bp; 13547 13548 /* 13549 * Set-up pointer to the buffer handle, so HBA can sync buffer 13550 * before accessing it. Handle is in usual place in translate struct. 13551 */ 13552 scmd->satacmd_err_ret_buf_handle = &spx->txlt_buf_dma_handle; 13553 13554 ASSERT(scmd->satacmd_num_dma_cookies != 0); 13555 ASSERT(scmd->satacmd_dma_cookie_list != NULL); 13556 13557 return (SATA_SUCCESS); 13558 } 13559 13560 /* 13561 * sata_xlate_errors() is used to translate (S)ATA error 13562 * information to SCSI information returned in the SCSI 13563 * packet. 13564 */ 13565 static void 13566 sata_xlate_errors(sata_pkt_txlate_t *spx) 13567 { 13568 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 13569 struct scsi_extended_sense *sense; 13570 13571 scsipkt->pkt_reason = CMD_INCOMPLETE; 13572 *scsipkt->pkt_scbp = STATUS_CHECK; 13573 sense = sata_arq_sense(spx); 13574 13575 switch (spx->txlt_sata_pkt->satapkt_reason) { 13576 case SATA_PKT_PORT_ERROR: 13577 /* 13578 * We have no device data. Assume no data transfered. 13579 */ 13580 sense->es_key = KEY_HARDWARE_ERROR; 13581 break; 13582 13583 case SATA_PKT_DEV_ERROR: 13584 if (spx->txlt_sata_pkt->satapkt_cmd.satacmd_status_reg & 13585 SATA_STATUS_ERR) { 13586 /* 13587 * determine dev error reason from error 13588 * reg content 13589 */ 13590 sata_decode_device_error(spx, sense); 13591 break; 13592 } 13593 /* No extended sense key - no info available */ 13594 break; 13595 13596 case SATA_PKT_TIMEOUT: 13597 scsipkt->pkt_reason = CMD_TIMEOUT; 13598 scsipkt->pkt_statistics |= STAT_TIMEOUT | STAT_DEV_RESET; 13599 /* No extended sense key */ 13600 break; 13601 13602 case SATA_PKT_ABORTED: 13603 scsipkt->pkt_reason = CMD_ABORTED; 13604 scsipkt->pkt_statistics |= STAT_ABORTED; 13605 /* No extended sense key */ 13606 break; 13607 13608 case SATA_PKT_RESET: 13609 /* 13610 * pkt aborted either by an explicit reset request from 13611 * a host, or due to error recovery 13612 */ 13613 scsipkt->pkt_reason = CMD_RESET; 13614 scsipkt->pkt_statistics |= STAT_DEV_RESET; 13615 break; 13616 13617 default: 13618 scsipkt->pkt_reason = CMD_TRAN_ERR; 13619 break; 13620 } 13621 } 13622 13623 13624 13625 13626 /* 13627 * Log sata message 13628 * dev pathname msg line preceeds the logged message. 13629 */ 13630 13631 static void 13632 sata_log(sata_hba_inst_t *sata_hba_inst, uint_t level, char *fmt, ...) 13633 { 13634 char pathname[128]; 13635 dev_info_t *dip; 13636 va_list ap; 13637 13638 mutex_enter(&sata_log_mutex); 13639 13640 va_start(ap, fmt); 13641 (void) vsprintf(sata_log_buf, fmt, ap); 13642 va_end(ap); 13643 13644 if (sata_hba_inst != NULL) { 13645 dip = SATA_DIP(sata_hba_inst); 13646 (void) ddi_pathname(dip, pathname); 13647 } else { 13648 pathname[0] = 0; 13649 } 13650 if (level == CE_CONT) { 13651 if (sata_debug_flags == 0) 13652 cmn_err(level, "?%s:\n %s\n", pathname, sata_log_buf); 13653 else 13654 cmn_err(level, "%s:\n %s\n", pathname, sata_log_buf); 13655 } else { 13656 if (level != CE_NOTE) { 13657 cmn_err(level, "%s:\n %s", pathname, sata_log_buf); 13658 } else if (sata_msg) { 13659 cmn_err(level, "%s:\n %s", pathname, 13660 sata_log_buf); 13661 } 13662 } 13663 13664 mutex_exit(&sata_log_mutex); 13665 } 13666 13667 13668 /* ******** Asynchronous HBA events handling & hotplugging support ******** */ 13669 13670 /* 13671 * Start or terminate the thread, depending on flag arg and current state 13672 */ 13673 static void 13674 sata_event_thread_control(int startstop) 13675 { 13676 static int sata_event_thread_terminating = 0; 13677 static int sata_event_thread_starting = 0; 13678 int i; 13679 13680 mutex_enter(&sata_event_mutex); 13681 13682 if (startstop == 0 && (sata_event_thread_starting == 1 || 13683 sata_event_thread_terminating == 1)) { 13684 mutex_exit(&sata_event_mutex); 13685 return; 13686 } 13687 if (startstop == 1 && sata_event_thread_starting == 1) { 13688 mutex_exit(&sata_event_mutex); 13689 return; 13690 } 13691 if (startstop == 1 && sata_event_thread_terminating == 1) { 13692 sata_event_thread_starting = 1; 13693 /* wait til terminate operation completes */ 13694 i = SATA_EVNT_DAEMON_TERM_WAIT/SATA_EVNT_DAEMON_TERM_TIMEOUT; 13695 while (sata_event_thread_terminating == 1) { 13696 if (i-- <= 0) { 13697 sata_event_thread_starting = 0; 13698 mutex_exit(&sata_event_mutex); 13699 #ifdef SATA_DEBUG 13700 cmn_err(CE_WARN, "sata_event_thread_control: " 13701 "timeout waiting for thread to terminate"); 13702 #endif 13703 return; 13704 } 13705 mutex_exit(&sata_event_mutex); 13706 delay(drv_usectohz(SATA_EVNT_DAEMON_TERM_TIMEOUT)); 13707 mutex_enter(&sata_event_mutex); 13708 } 13709 } 13710 if (startstop == 1) { 13711 if (sata_event_thread == NULL) { 13712 sata_event_thread = thread_create(NULL, 0, 13713 (void (*)())sata_event_daemon, 13714 &sata_hba_list, 0, &p0, TS_RUN, minclsyspri); 13715 } 13716 sata_event_thread_starting = 0; 13717 mutex_exit(&sata_event_mutex); 13718 return; 13719 } 13720 13721 /* 13722 * If we got here, thread may need to be terminated 13723 */ 13724 if (sata_event_thread != NULL) { 13725 int i; 13726 /* Signal event thread to go away */ 13727 sata_event_thread_terminating = 1; 13728 sata_event_thread_terminate = 1; 13729 cv_signal(&sata_event_cv); 13730 /* 13731 * Wait til daemon terminates. 13732 */ 13733 i = SATA_EVNT_DAEMON_TERM_WAIT/SATA_EVNT_DAEMON_TERM_TIMEOUT; 13734 while (sata_event_thread_terminate == 1) { 13735 mutex_exit(&sata_event_mutex); 13736 if (i-- <= 0) { 13737 /* Daemon did not go away !!! */ 13738 #ifdef SATA_DEBUG 13739 cmn_err(CE_WARN, "sata_event_thread_control: " 13740 "cannot terminate event daemon thread"); 13741 #endif 13742 mutex_enter(&sata_event_mutex); 13743 break; 13744 } 13745 delay(drv_usectohz(SATA_EVNT_DAEMON_TERM_TIMEOUT)); 13746 mutex_enter(&sata_event_mutex); 13747 } 13748 sata_event_thread_terminating = 0; 13749 } 13750 ASSERT(sata_event_thread_terminating == 0); 13751 ASSERT(sata_event_thread_starting == 0); 13752 mutex_exit(&sata_event_mutex); 13753 } 13754 13755 13756 /* 13757 * SATA HBA event notification function. 13758 * Events reported by SATA HBA drivers per HBA instance relate to a change in 13759 * a port and/or device state or a controller itself. 13760 * Events for different addresses/addr types cannot be combined. 13761 * A warning message is generated for each event type. 13762 * Events are not processed by this function, so only the 13763 * event flag(s)is set for an affected entity and the event thread is 13764 * waken up. Event daemon thread processes all events. 13765 * 13766 * NOTE: Since more than one event may be reported at the same time, one 13767 * cannot determine a sequence of events when opposite event are reported, eg. 13768 * LINK_LOST and LINK_ESTABLISHED. Actual port status during event processing 13769 * is taking precedence over reported events, i.e. may cause ignoring some 13770 * events. 13771 */ 13772 #define SATA_EVENT_MAX_MSG_LENGTH 79 13773 13774 void 13775 sata_hba_event_notify(dev_info_t *dip, sata_device_t *sata_device, int event) 13776 { 13777 sata_hba_inst_t *sata_hba_inst = NULL; 13778 sata_address_t *saddr; 13779 sata_drive_info_t *sdinfo; 13780 sata_port_stats_t *pstats; 13781 int cport, pmport; 13782 char buf1[SATA_EVENT_MAX_MSG_LENGTH + 1]; 13783 char buf2[SATA_EVENT_MAX_MSG_LENGTH + 1]; 13784 char *lcp; 13785 static char *err_msg_evnt_1 = 13786 "sata_hba_event_notify: invalid port event 0x%x "; 13787 static char *err_msg_evnt_2 = 13788 "sata_hba_event_notify: invalid device event 0x%x "; 13789 int linkevent; 13790 13791 /* 13792 * There is a possibility that an event will be generated on HBA 13793 * that has not completed attachment or is detaching. 13794 * HBA driver should prevent this, but just in case it does not, 13795 * we need to ignore events for such HBA. 13796 */ 13797 mutex_enter(&sata_mutex); 13798 for (sata_hba_inst = sata_hba_list; sata_hba_inst != NULL; 13799 sata_hba_inst = sata_hba_inst->satahba_next) { 13800 if (SATA_DIP(sata_hba_inst) == dip) 13801 if (sata_hba_inst->satahba_attached == 1) 13802 break; 13803 } 13804 mutex_exit(&sata_mutex); 13805 if (sata_hba_inst == NULL) 13806 /* HBA not attached */ 13807 return; 13808 13809 ASSERT(sata_device != NULL); 13810 13811 /* 13812 * Validate address before - do not proceed with invalid address. 13813 */ 13814 saddr = &sata_device->satadev_addr; 13815 if (saddr->cport >= SATA_NUM_CPORTS(sata_hba_inst)) 13816 return; 13817 if (saddr->qual == SATA_ADDR_PMPORT || 13818 saddr->qual == SATA_ADDR_DPMPORT) 13819 /* Port Multiplier not supported yet */ 13820 return; 13821 13822 cport = saddr->cport; 13823 pmport = saddr->pmport; 13824 13825 buf1[0] = buf2[0] = '\0'; 13826 13827 /* 13828 * Events refer to devices, ports and controllers - each has 13829 * unique address. Events for different addresses cannot be combined. 13830 */ 13831 if (saddr->qual & (SATA_ADDR_CPORT | SATA_ADDR_PMPORT)) { 13832 13833 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 13834 13835 /* qualify this event(s) */ 13836 if ((event & SATA_EVNT_PORT_EVENTS) == 0) { 13837 /* Invalid event for the device port */ 13838 (void) sprintf(buf2, err_msg_evnt_1, 13839 event & SATA_EVNT_PORT_EVENTS); 13840 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 13841 goto event_info; 13842 } 13843 if (saddr->qual == SATA_ADDR_CPORT) { 13844 /* Controller's device port event */ 13845 13846 (SATA_CPORT_INFO(sata_hba_inst, cport))-> 13847 cport_event_flags |= 13848 event & SATA_EVNT_PORT_EVENTS; 13849 pstats = 13850 &(SATA_CPORT_INFO(sata_hba_inst, cport))-> 13851 cport_stats; 13852 } else { 13853 /* Port multiplier's device port event */ 13854 (SATA_PMPORT_INFO(sata_hba_inst, cport, pmport))-> 13855 pmport_event_flags |= 13856 event & SATA_EVNT_PORT_EVENTS; 13857 pstats = 13858 &(SATA_PMPORT_INFO(sata_hba_inst, cport, pmport))-> 13859 pmport_stats; 13860 } 13861 13862 /* 13863 * Add to statistics and log the message. We have to do it 13864 * here rather than in the event daemon, because there may be 13865 * multiple events occuring before they are processed. 13866 */ 13867 linkevent = event & 13868 (SATA_EVNT_LINK_LOST | SATA_EVNT_LINK_ESTABLISHED); 13869 if (linkevent) { 13870 if (linkevent == (SATA_EVNT_LINK_LOST | 13871 SATA_EVNT_LINK_ESTABLISHED)) { 13872 /* This is likely event combination */ 13873 (void) strlcat(buf1, "link lost/established, ", 13874 SATA_EVENT_MAX_MSG_LENGTH); 13875 13876 if (pstats->link_lost < 0xffffffffffffffffULL) 13877 pstats->link_lost++; 13878 if (pstats->link_established < 13879 0xffffffffffffffffULL) 13880 pstats->link_established++; 13881 linkevent = 0; 13882 } else if (linkevent & SATA_EVNT_LINK_LOST) { 13883 (void) strlcat(buf1, "link lost, ", 13884 SATA_EVENT_MAX_MSG_LENGTH); 13885 13886 if (pstats->link_lost < 0xffffffffffffffffULL) 13887 pstats->link_lost++; 13888 } else { 13889 (void) strlcat(buf1, "link established, ", 13890 SATA_EVENT_MAX_MSG_LENGTH); 13891 if (pstats->link_established < 13892 0xffffffffffffffffULL) 13893 pstats->link_established++; 13894 } 13895 } 13896 if (event & SATA_EVNT_DEVICE_ATTACHED) { 13897 (void) strlcat(buf1, "device attached, ", 13898 SATA_EVENT_MAX_MSG_LENGTH); 13899 if (pstats->device_attached < 0xffffffffffffffffULL) 13900 pstats->device_attached++; 13901 } 13902 if (event & SATA_EVNT_DEVICE_DETACHED) { 13903 (void) strlcat(buf1, "device detached, ", 13904 SATA_EVENT_MAX_MSG_LENGTH); 13905 if (pstats->device_detached < 0xffffffffffffffffULL) 13906 pstats->device_detached++; 13907 } 13908 if (event & SATA_EVNT_PWR_LEVEL_CHANGED) { 13909 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 13910 "port %d power level changed", cport); 13911 if (pstats->port_pwr_changed < 0xffffffffffffffffULL) 13912 pstats->port_pwr_changed++; 13913 } 13914 13915 if ((event & ~SATA_EVNT_PORT_EVENTS) != 0) { 13916 /* There should be no other events for this address */ 13917 (void) sprintf(buf2, err_msg_evnt_1, 13918 event & ~SATA_EVNT_PORT_EVENTS); 13919 } 13920 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 13921 13922 } else if (saddr->qual & (SATA_ADDR_DCPORT | SATA_ADDR_DPMPORT)) { 13923 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 13924 13925 /* qualify this event */ 13926 if ((event & SATA_EVNT_DEVICE_RESET) == 0) { 13927 /* Invalid event for a device */ 13928 (void) sprintf(buf2, err_msg_evnt_2, 13929 event & SATA_EVNT_DEVICE_RESET); 13930 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 13931 goto event_info; 13932 } 13933 /* drive event */ 13934 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 13935 if (sdinfo != NULL) { 13936 if (event & SATA_EVNT_DEVICE_RESET) { 13937 (void) strlcat(buf1, "device reset, ", 13938 SATA_EVENT_MAX_MSG_LENGTH); 13939 if (sdinfo->satadrv_stats.drive_reset < 13940 0xffffffffffffffffULL) 13941 sdinfo->satadrv_stats.drive_reset++; 13942 sdinfo->satadrv_event_flags |= 13943 SATA_EVNT_DEVICE_RESET; 13944 } 13945 } 13946 if ((event & ~SATA_EVNT_DEVICE_RESET) != 0) { 13947 /* Invalid event for a device */ 13948 (void) sprintf(buf2, err_msg_evnt_2, 13949 event & ~SATA_EVNT_DRIVE_EVENTS); 13950 } 13951 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 13952 } else { 13953 if (saddr->qual != SATA_ADDR_NULL) { 13954 /* Wrong address qualifier */ 13955 SATA_LOG_D((sata_hba_inst, CE_WARN, 13956 "sata_hba_event_notify: invalid address 0x%x", 13957 *(uint32_t *)saddr)); 13958 return; 13959 } 13960 if ((event & SATA_EVNT_CONTROLLER_EVENTS) == 0 || 13961 (event & ~SATA_EVNT_CONTROLLER_EVENTS) != 0) { 13962 /* Invalid event for the controller */ 13963 SATA_LOG_D((sata_hba_inst, CE_WARN, 13964 "sata_hba_event_notify: invalid event 0x%x for " 13965 "controller", 13966 event & SATA_EVNT_CONTROLLER_EVENTS)); 13967 return; 13968 } 13969 buf1[0] = '\0'; 13970 /* This may be a frequent and not interesting event */ 13971 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 13972 "controller power level changed\n", NULL); 13973 13974 mutex_enter(&sata_hba_inst->satahba_mutex); 13975 if (sata_hba_inst->satahba_stats.ctrl_pwr_change < 13976 0xffffffffffffffffULL) 13977 sata_hba_inst->satahba_stats.ctrl_pwr_change++; 13978 13979 sata_hba_inst->satahba_event_flags |= 13980 SATA_EVNT_PWR_LEVEL_CHANGED; 13981 mutex_exit(&sata_hba_inst->satahba_mutex); 13982 } 13983 /* 13984 * If we got here, there is something to do with this HBA 13985 * instance. 13986 */ 13987 mutex_enter(&sata_hba_inst->satahba_mutex); 13988 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 13989 mutex_exit(&sata_hba_inst->satahba_mutex); 13990 mutex_enter(&sata_mutex); 13991 sata_event_pending |= SATA_EVNT_MAIN; /* global event indicator */ 13992 mutex_exit(&sata_mutex); 13993 13994 /* Tickle event thread */ 13995 mutex_enter(&sata_event_mutex); 13996 if (sata_event_thread_active == 0) 13997 cv_signal(&sata_event_cv); 13998 mutex_exit(&sata_event_mutex); 13999 14000 event_info: 14001 if (buf1[0] != '\0') { 14002 lcp = strrchr(buf1, ','); 14003 if (lcp != NULL) 14004 *lcp = '\0'; 14005 } 14006 if (saddr->qual == SATA_ADDR_CPORT || 14007 saddr->qual == SATA_ADDR_DCPORT) { 14008 if (buf1[0] != '\0') { 14009 sata_log(sata_hba_inst, CE_NOTE, "port %d: %s\n", 14010 cport, buf1); 14011 } 14012 if (buf2[0] != '\0') { 14013 sata_log(sata_hba_inst, CE_NOTE, "port %d: %s\n", 14014 cport, buf2); 14015 } 14016 } else if (saddr->qual == SATA_ADDR_PMPORT || 14017 saddr->qual == SATA_ADDR_DPMPORT) { 14018 if (buf1[0] != '\0') { 14019 sata_log(sata_hba_inst, CE_NOTE, 14020 "port %d pmport %d: %s\n", cport, pmport, buf1); 14021 } 14022 if (buf2[0] != '\0') { 14023 sata_log(sata_hba_inst, CE_NOTE, 14024 "port %d pmport %d: %s\n", cport, pmport, buf2); 14025 } 14026 } 14027 } 14028 14029 14030 /* 14031 * Event processing thread. 14032 * Arg is a pointer to the sata_hba_list pointer. 14033 * It is not really needed, because sata_hba_list is global and static 14034 */ 14035 static void 14036 sata_event_daemon(void *arg) 14037 { 14038 #ifndef __lock_lint 14039 _NOTE(ARGUNUSED(arg)) 14040 #endif 14041 sata_hba_inst_t *sata_hba_inst; 14042 clock_t lbolt; 14043 14044 SATADBG1(SATA_DBG_EVENTS_DAEMON, NULL, 14045 "SATA event daemon started\n", NULL); 14046 loop: 14047 /* 14048 * Process events here. Walk through all registered HBAs 14049 */ 14050 mutex_enter(&sata_mutex); 14051 for (sata_hba_inst = sata_hba_list; sata_hba_inst != NULL; 14052 sata_hba_inst = sata_hba_inst->satahba_next) { 14053 ASSERT(sata_hba_inst != NULL); 14054 mutex_enter(&sata_hba_inst->satahba_mutex); 14055 if (sata_hba_inst->satahba_attached != 1 || 14056 (sata_hba_inst->satahba_event_flags & 14057 SATA_EVNT_SKIP) != 0) { 14058 mutex_exit(&sata_hba_inst->satahba_mutex); 14059 continue; 14060 } 14061 if (sata_hba_inst->satahba_event_flags & SATA_EVNT_MAIN) { 14062 sata_hba_inst->satahba_event_flags |= SATA_EVNT_SKIP; 14063 mutex_exit(&sata_hba_inst->satahba_mutex); 14064 mutex_exit(&sata_mutex); 14065 /* Got the controller with pending event */ 14066 sata_process_controller_events(sata_hba_inst); 14067 /* 14068 * Since global mutex was released, there is a 14069 * possibility that HBA list has changed, so start 14070 * over from the top. Just processed controller 14071 * will be passed-over because of the SKIP flag. 14072 */ 14073 goto loop; 14074 } 14075 mutex_exit(&sata_hba_inst->satahba_mutex); 14076 } 14077 /* Clear SKIP flag in all controllers */ 14078 for (sata_hba_inst = sata_hba_list; sata_hba_inst != NULL; 14079 sata_hba_inst = sata_hba_inst->satahba_next) { 14080 mutex_enter(&sata_hba_inst->satahba_mutex); 14081 sata_hba_inst->satahba_event_flags &= ~SATA_EVNT_SKIP; 14082 mutex_exit(&sata_hba_inst->satahba_mutex); 14083 } 14084 mutex_exit(&sata_mutex); 14085 14086 SATADBG1(SATA_DBG_EVENTS_DAEMON, NULL, 14087 "SATA EVENT DAEMON suspending itself", NULL); 14088 14089 #ifdef SATA_DEBUG 14090 if ((sata_func_enable & SATA_ENABLE_PROCESS_EVENTS) == 0) { 14091 sata_log(sata_hba_inst, CE_WARN, 14092 "SATA EVENTS PROCESSING DISABLED\n"); 14093 thread_exit(); /* Daemon will not run again */ 14094 } 14095 #endif 14096 mutex_enter(&sata_event_mutex); 14097 sata_event_thread_active = 0; 14098 mutex_exit(&sata_event_mutex); 14099 /* 14100 * Go to sleep/suspend itself and wake up either because new event or 14101 * wait timeout. Exit if there is a termination request (driver 14102 * unload). 14103 */ 14104 do { 14105 lbolt = ddi_get_lbolt(); 14106 lbolt += drv_usectohz(SATA_EVNT_DAEMON_SLEEP_TIME); 14107 mutex_enter(&sata_event_mutex); 14108 (void) cv_timedwait(&sata_event_cv, &sata_event_mutex, lbolt); 14109 14110 if (sata_event_thread_active != 0) { 14111 mutex_exit(&sata_event_mutex); 14112 continue; 14113 } 14114 14115 /* Check if it is time to go away */ 14116 if (sata_event_thread_terminate == 1) { 14117 /* 14118 * It is up to the thread setting above flag to make 14119 * sure that this thread is not killed prematurely. 14120 */ 14121 sata_event_thread_terminate = 0; 14122 sata_event_thread = NULL; 14123 mutex_exit(&sata_event_mutex); 14124 SATADBG1(SATA_DBG_EVENTS_DAEMON, NULL, 14125 "SATA_EVENT_DAEMON_TERMINATING", NULL); 14126 thread_exit(); { _NOTE(NOT_REACHED) } 14127 } 14128 mutex_exit(&sata_event_mutex); 14129 } while (!(sata_event_pending & SATA_EVNT_MAIN)); 14130 14131 mutex_enter(&sata_event_mutex); 14132 sata_event_thread_active = 1; 14133 mutex_exit(&sata_event_mutex); 14134 14135 mutex_enter(&sata_mutex); 14136 sata_event_pending &= ~SATA_EVNT_MAIN; 14137 mutex_exit(&sata_mutex); 14138 14139 SATADBG1(SATA_DBG_EVENTS_DAEMON, NULL, 14140 "SATA EVENT DAEMON READY TO PROCESS EVENT", NULL); 14141 14142 goto loop; 14143 } 14144 14145 /* 14146 * Specific HBA instance event processing. 14147 * 14148 * NOTE: At the moment, device event processing is limited to hard disks 14149 * only. 14150 * cports only are supported - no pmports. 14151 */ 14152 static void 14153 sata_process_controller_events(sata_hba_inst_t *sata_hba_inst) 14154 { 14155 int ncport; 14156 uint32_t event_flags; 14157 sata_address_t *saddr; 14158 14159 SATADBG1(SATA_DBG_EVENTS_CNTRL, sata_hba_inst, 14160 "Processing controller %d event(s)", 14161 ddi_get_instance(SATA_DIP(sata_hba_inst))); 14162 14163 mutex_enter(&sata_hba_inst->satahba_mutex); 14164 sata_hba_inst->satahba_event_flags &= ~SATA_EVNT_MAIN; 14165 event_flags = sata_hba_inst->satahba_event_flags; 14166 mutex_exit(&sata_hba_inst->satahba_mutex); 14167 /* 14168 * Process controller power change first 14169 * HERE 14170 */ 14171 if (event_flags & SATA_EVNT_PWR_LEVEL_CHANGED) 14172 sata_process_cntrl_pwr_level_change(sata_hba_inst); 14173 14174 /* 14175 * Search through ports/devices to identify affected port/device. 14176 * We may have to process events for more than one port/device. 14177 */ 14178 for (ncport = 0; ncport < SATA_NUM_CPORTS(sata_hba_inst); ncport++) { 14179 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); 14180 event_flags = (SATA_CPORT_INFO(sata_hba_inst, ncport))-> 14181 cport_event_flags; 14182 /* Check if port was locked by IOCTL processing */ 14183 if (event_flags & SATA_APCTL_LOCK_PORT_BUSY) { 14184 /* 14185 * We ignore port events because port is busy 14186 * with AP control processing. Set again 14187 * controller and main event flag, so that 14188 * events may be processed by the next daemon 14189 * run. 14190 */ 14191 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); 14192 mutex_enter(&sata_hba_inst->satahba_mutex); 14193 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 14194 mutex_exit(&sata_hba_inst->satahba_mutex); 14195 mutex_enter(&sata_mutex); 14196 sata_event_pending |= SATA_EVNT_MAIN; 14197 mutex_exit(&sata_mutex); 14198 SATADBG1(SATA_DBG_EVENTS_PROCPST, sata_hba_inst, 14199 "Event processing postponed until " 14200 "AP control processing completes", 14201 NULL); 14202 /* Check other ports */ 14203 continue; 14204 } else { 14205 /* 14206 * Set BSY flag so that AP control would not 14207 * interfere with events processing for 14208 * this port. 14209 */ 14210 (SATA_CPORT_INFO(sata_hba_inst, ncport))-> 14211 cport_event_flags |= SATA_EVNT_LOCK_PORT_BUSY; 14212 } 14213 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); 14214 14215 saddr = &(SATA_CPORT_INFO(sata_hba_inst, ncport))->cport_addr; 14216 14217 if ((event_flags & 14218 (SATA_EVNT_PORT_EVENTS | SATA_EVNT_DRIVE_EVENTS)) != 0) { 14219 /* 14220 * Got port event. 14221 * We need some hierarchy of event processing as they 14222 * are affecting each other: 14223 * 1. port failed 14224 * 2. device detached/attached 14225 * 3. link events - link events may trigger device 14226 * detached or device attached events in some 14227 * circumstances. 14228 * 4. port power level changed 14229 */ 14230 if (event_flags & SATA_EVNT_PORT_FAILED) { 14231 sata_process_port_failed_event(sata_hba_inst, 14232 saddr); 14233 } 14234 if (event_flags & SATA_EVNT_DEVICE_DETACHED) { 14235 sata_process_device_detached(sata_hba_inst, 14236 saddr); 14237 } 14238 if (event_flags & SATA_EVNT_DEVICE_ATTACHED) { 14239 sata_process_device_attached(sata_hba_inst, 14240 saddr); 14241 } 14242 if (event_flags & 14243 (SATA_EVNT_LINK_ESTABLISHED | 14244 SATA_EVNT_LINK_LOST)) { 14245 sata_process_port_link_events(sata_hba_inst, 14246 saddr); 14247 } 14248 if (event_flags & SATA_EVNT_PWR_LEVEL_CHANGED) { 14249 sata_process_port_pwr_change(sata_hba_inst, 14250 saddr); 14251 } 14252 if (event_flags & SATA_EVNT_TARGET_NODE_CLEANUP) { 14253 sata_process_target_node_cleanup( 14254 sata_hba_inst, saddr); 14255 } 14256 if (event_flags & SATA_EVNT_AUTOONLINE_DEVICE) { 14257 sata_process_device_autoonline( 14258 sata_hba_inst, saddr); 14259 } 14260 } 14261 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); 14262 if ((SATA_CPORT_DEV_TYPE(sata_hba_inst, ncport) != 14263 SATA_DTYPE_NONE) && 14264 (SATA_CPORT_DRV_INFO(sata_hba_inst, ncport) != NULL)) { 14265 if (SATA_CPORT_DRV_INFO(sata_hba_inst, ncport)-> 14266 satadrv_event_flags & 14267 (SATA_EVNT_DEVICE_RESET | 14268 SATA_EVNT_INPROC_DEVICE_RESET)) { 14269 /* Have device event */ 14270 sata_process_device_reset(sata_hba_inst, 14271 saddr); 14272 } 14273 } 14274 /* Release PORT_BUSY flag */ 14275 (SATA_CPORT_INFO(sata_hba_inst, ncport))-> 14276 cport_event_flags &= ~SATA_EVNT_LOCK_PORT_BUSY; 14277 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); 14278 14279 } /* End of loop through the controller SATA ports */ 14280 } 14281 14282 /* 14283 * Process HBA power level change reported by HBA driver. 14284 * Not implemented at this time - event is ignored. 14285 */ 14286 static void 14287 sata_process_cntrl_pwr_level_change(sata_hba_inst_t *sata_hba_inst) 14288 { 14289 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14290 "Processing controller power level change", NULL); 14291 14292 /* Ignoring it for now */ 14293 mutex_enter(&sata_hba_inst->satahba_mutex); 14294 sata_hba_inst->satahba_event_flags &= ~SATA_EVNT_PWR_LEVEL_CHANGED; 14295 mutex_exit(&sata_hba_inst->satahba_mutex); 14296 } 14297 14298 /* 14299 * Process port power level change reported by HBA driver. 14300 * Not implemented at this time - event is ignored. 14301 */ 14302 static void 14303 sata_process_port_pwr_change(sata_hba_inst_t *sata_hba_inst, 14304 sata_address_t *saddr) 14305 { 14306 sata_cport_info_t *cportinfo; 14307 14308 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14309 "Processing port power level change", NULL); 14310 14311 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 14312 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14313 /* Reset event flag */ 14314 cportinfo->cport_event_flags &= ~SATA_EVNT_PWR_LEVEL_CHANGED; 14315 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14316 } 14317 14318 /* 14319 * Process port failure reported by HBA driver. 14320 * cports support only - no pmports. 14321 */ 14322 static void 14323 sata_process_port_failed_event(sata_hba_inst_t *sata_hba_inst, 14324 sata_address_t *saddr) 14325 { 14326 sata_cport_info_t *cportinfo; 14327 14328 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 14329 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14330 /* Reset event flag first */ 14331 cportinfo->cport_event_flags &= ~SATA_EVNT_PORT_FAILED; 14332 /* If the port is in SHUTDOWN or FAILED state, ignore this event. */ 14333 if ((cportinfo->cport_state & 14334 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) == 0) { 14335 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 14336 cport_mutex); 14337 return; 14338 } 14339 /* Fail the port */ 14340 cportinfo->cport_state = SATA_PSTATE_FAILED; 14341 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14342 sata_log(sata_hba_inst, CE_WARN, "SATA port %d failed", saddr->cport); 14343 } 14344 14345 /* 14346 * Device Reset Event processing. 14347 * The seqeunce is managed by 3 stage flags: 14348 * - reset event reported, 14349 * - reset event being processed, 14350 * - request to clear device reset state. 14351 * 14352 * NOTE: This function has to be entered with cport mutex held. It exits with 14353 * mutex held as well, but can release mutex during the processing. 14354 */ 14355 static void 14356 sata_process_device_reset(sata_hba_inst_t *sata_hba_inst, 14357 sata_address_t *saddr) 14358 { 14359 sata_drive_info_t old_sdinfo; /* local copy of the drive info */ 14360 sata_drive_info_t *sdinfo; 14361 sata_cport_info_t *cportinfo; 14362 sata_device_t sata_device; 14363 int rval; 14364 14365 /* We only care about host sata cport for now */ 14366 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 14367 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, saddr->cport); 14368 /* 14369 * If the port is in SHUTDOWN or FAILED state, or device is in FAILED 14370 * state, ignore reset event. 14371 */ 14372 if (((cportinfo->cport_state & 14373 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) || 14374 (sdinfo->satadrv_state & SATA_DSTATE_FAILED) != 0) { 14375 sdinfo->satadrv_event_flags &= 14376 ~(SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET); 14377 return; 14378 } 14379 14380 if ((SATA_CPORT_DEV_TYPE(sata_hba_inst, saddr->cport) & 14381 SATA_VALID_DEV_TYPE) == 0) { 14382 /* 14383 * This should not happen - coding error. 14384 * But we can recover, so do not panic, just clean up 14385 * and if in debug mode, log the message. 14386 */ 14387 #ifdef SATA_DEBUG 14388 sata_log(sata_hba_inst, CE_WARN, 14389 "sata_process_device_reset: " 14390 "Invalid device type with sdinfo!", NULL); 14391 #endif 14392 sdinfo->satadrv_event_flags = 0; 14393 return; 14394 } 14395 14396 #ifdef SATA_DEBUG 14397 if ((sdinfo->satadrv_event_flags & 14398 (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) == 0) { 14399 /* Nothing to do */ 14400 /* Something is weird - why we are processing dev reset? */ 14401 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14402 "No device reset event!!!!", NULL); 14403 14404 return; 14405 } 14406 if ((sdinfo->satadrv_event_flags & 14407 (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) == 14408 (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) { 14409 /* Something is weird - new device reset event */ 14410 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14411 "Overlapping device reset events!", NULL); 14412 } 14413 #endif 14414 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14415 "Processing port %d device reset", saddr->cport); 14416 14417 /* Clear event flag */ 14418 sdinfo->satadrv_event_flags &= ~SATA_EVNT_DEVICE_RESET; 14419 14420 /* It seems that we always need to check the port state first */ 14421 sata_device.satadev_rev = SATA_DEVICE_REV; 14422 sata_device.satadev_addr = *saddr; 14423 /* 14424 * We have to exit mutex, because the HBA probe port function may 14425 * block on its own mutex. 14426 */ 14427 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14428 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 14429 (SATA_DIP(sata_hba_inst), &sata_device); 14430 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14431 sata_update_port_info(sata_hba_inst, &sata_device); 14432 if (rval != SATA_SUCCESS) { 14433 /* Something went wrong? Fail the port */ 14434 cportinfo->cport_state = SATA_PSTATE_FAILED; 14435 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, saddr->cport); 14436 if (sdinfo != NULL) 14437 sdinfo->satadrv_event_flags = 0; 14438 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 14439 cport_mutex); 14440 SATA_LOG_D((sata_hba_inst, CE_WARN, 14441 "SATA port %d probing failed", 14442 saddr->cport)); 14443 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 14444 saddr->cport)->cport_mutex); 14445 return; 14446 } 14447 if ((sata_device.satadev_scr.sstatus & 14448 SATA_PORT_DEVLINK_UP_MASK) != 14449 SATA_PORT_DEVLINK_UP || 14450 sata_device.satadev_type == SATA_DTYPE_NONE) { 14451 /* 14452 * No device to process, anymore. Some other event processing 14453 * would or have already performed port info cleanup. 14454 * To be safe (HBA may need it), request clearing device 14455 * reset condition. 14456 */ 14457 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, saddr->cport); 14458 if (sdinfo != NULL) { 14459 sdinfo->satadrv_event_flags &= 14460 ~SATA_EVNT_INPROC_DEVICE_RESET; 14461 sdinfo->satadrv_event_flags |= 14462 SATA_EVNT_CLEAR_DEVICE_RESET; 14463 } 14464 return; 14465 } 14466 14467 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, saddr->cport); 14468 if (sdinfo == NULL) { 14469 return; 14470 } 14471 if ((sdinfo->satadrv_event_flags & 14472 SATA_EVNT_INPROC_DEVICE_RESET) == 0) { 14473 /* 14474 * Start tracking time for device feature restoration and 14475 * identification. Save current time (lbolt value). 14476 */ 14477 sdinfo->satadrv_reset_time = ddi_get_lbolt(); 14478 } 14479 /* Mark device reset processing as active */ 14480 sdinfo->satadrv_event_flags |= SATA_EVNT_INPROC_DEVICE_RESET; 14481 14482 old_sdinfo = *sdinfo; /* local copy of the drive info */ 14483 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14484 14485 if (sata_set_drive_features(sata_hba_inst, &old_sdinfo, 1) == 14486 SATA_FAILURE) { 14487 /* 14488 * Restoring drive setting failed. 14489 * Probe the port first, to check if the port state has changed 14490 */ 14491 sata_device.satadev_rev = SATA_DEVICE_REV; 14492 sata_device.satadev_addr = *saddr; 14493 sata_device.satadev_addr.qual = SATA_ADDR_CPORT; 14494 /* probe port */ 14495 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 14496 (SATA_DIP(sata_hba_inst), &sata_device); 14497 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 14498 cport_mutex); 14499 if (rval == SATA_SUCCESS && 14500 (sata_device.satadev_state & 14501 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) == 0 && 14502 (sata_device.satadev_scr.sstatus & 14503 SATA_PORT_DEVLINK_UP_MASK) == SATA_PORT_DEVLINK_UP && 14504 sata_device.satadev_type != SATA_DTYPE_NONE) { 14505 /* 14506 * We may retry this a bit later - in-process reset 14507 * condition should be already set. 14508 * Track retry time for device identification. 14509 */ 14510 if ((cportinfo->cport_dev_type & 14511 SATA_VALID_DEV_TYPE) != 0 && 14512 SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL && 14513 sdinfo->satadrv_reset_time != 0) { 14514 clock_t cur_time = ddi_get_lbolt(); 14515 /* 14516 * If the retry time limit was not 14517 * exceeded, retry. 14518 */ 14519 if ((cur_time - sdinfo->satadrv_reset_time) < 14520 drv_usectohz(SATA_DEV_REPROBE_TIMEOUT)) { 14521 mutex_enter( 14522 &sata_hba_inst->satahba_mutex); 14523 sata_hba_inst->satahba_event_flags |= 14524 SATA_EVNT_MAIN; 14525 mutex_exit( 14526 &sata_hba_inst->satahba_mutex); 14527 mutex_enter(&sata_mutex); 14528 sata_event_pending |= SATA_EVNT_MAIN; 14529 mutex_exit(&sata_mutex); 14530 return; 14531 } 14532 } 14533 /* Fail the drive */ 14534 sdinfo->satadrv_state = SATA_DSTATE_FAILED; 14535 14536 sata_log(sata_hba_inst, CE_WARN, 14537 "SATA device at port %d - device failed", 14538 saddr->cport); 14539 } else { 14540 /* 14541 * No point of retrying - some other event processing 14542 * would or already did port info cleanup. 14543 * To be safe (HBA may need it), 14544 * request clearing device reset condition. 14545 */ 14546 sdinfo->satadrv_event_flags |= 14547 SATA_EVNT_CLEAR_DEVICE_RESET; 14548 } 14549 sdinfo->satadrv_event_flags &= ~SATA_EVNT_INPROC_DEVICE_RESET; 14550 sdinfo->satadrv_reset_time = 0; 14551 return; 14552 } 14553 /* 14554 * Raise the flag indicating that the next sata command could 14555 * be sent with SATA_CLEAR_DEV_RESET_STATE flag, if no new device 14556 * reset is reported. 14557 */ 14558 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14559 if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { 14560 sdinfo->satadrv_reset_time = 0; 14561 if ((cportinfo->cport_dev_type & SATA_VALID_DEV_TYPE) != 0) { 14562 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 14563 sdinfo->satadrv_event_flags &= 14564 ~SATA_EVNT_INPROC_DEVICE_RESET; 14565 sdinfo->satadrv_event_flags |= 14566 SATA_EVNT_CLEAR_DEVICE_RESET; 14567 } 14568 } 14569 } 14570 14571 14572 /* 14573 * Port Link Events processing. 14574 * Every link established event may involve device reset (due to 14575 * COMRESET signal, equivalent of the hard reset) so arbitrarily 14576 * set device reset event for an attached device (if any). 14577 * If the port is in SHUTDOWN or FAILED state, ignore link events. 14578 * 14579 * The link established event processing varies, depending on the state 14580 * of the target node, HBA hotplugging capabilities, state of the port. 14581 * If the link is not active, the link established event is ignored. 14582 * If HBA cannot detect device attachment and there is no target node, 14583 * the link established event triggers device attach event processing. 14584 * Else, link established event triggers device reset event processing. 14585 * 14586 * The link lost event processing varies, depending on a HBA hotplugging 14587 * capability and the state of the port (link active or not active). 14588 * If the link is active, the lost link event is ignored. 14589 * If HBA cannot detect device removal, the lost link event triggers 14590 * device detached event processing after link lost timeout. 14591 * Else, the event is ignored. 14592 * 14593 * NOTE: Only cports are processed for now, i.e. no port multiplier ports 14594 */ 14595 static void 14596 sata_process_port_link_events(sata_hba_inst_t *sata_hba_inst, 14597 sata_address_t *saddr) 14598 { 14599 sata_device_t sata_device; 14600 sata_cport_info_t *cportinfo; 14601 sata_drive_info_t *sdinfo; 14602 uint32_t event_flags; 14603 int rval; 14604 14605 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14606 "Processing port %d link event(s)", saddr->cport); 14607 14608 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 14609 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14610 event_flags = cportinfo->cport_event_flags; 14611 14612 /* Reset event flags first */ 14613 cportinfo->cport_event_flags &= 14614 ~(SATA_EVNT_LINK_ESTABLISHED | SATA_EVNT_LINK_LOST); 14615 14616 /* If the port is in SHUTDOWN or FAILED state, ignore link events. */ 14617 if ((cportinfo->cport_state & 14618 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) { 14619 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 14620 cport_mutex); 14621 return; 14622 } 14623 14624 /* 14625 * For the sanity sake get current port state. 14626 * Set device address only. Other sata_device fields should be 14627 * set by HBA driver. 14628 */ 14629 sata_device.satadev_rev = SATA_DEVICE_REV; 14630 sata_device.satadev_addr = *saddr; 14631 /* 14632 * We have to exit mutex, because the HBA probe port function may 14633 * block on its own mutex. 14634 */ 14635 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14636 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 14637 (SATA_DIP(sata_hba_inst), &sata_device); 14638 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14639 sata_update_port_info(sata_hba_inst, &sata_device); 14640 if (rval != SATA_SUCCESS) { 14641 /* Something went wrong? Fail the port */ 14642 cportinfo->cport_state = SATA_PSTATE_FAILED; 14643 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 14644 cport_mutex); 14645 SATA_LOG_D((sata_hba_inst, CE_WARN, 14646 "SATA port %d probing failed", 14647 saddr->cport)); 14648 /* 14649 * We may want to release device info structure, but 14650 * it is not necessary. 14651 */ 14652 return; 14653 } else { 14654 /* port probed successfully */ 14655 cportinfo->cport_state |= SATA_STATE_PROBED | SATA_STATE_READY; 14656 } 14657 if (event_flags & SATA_EVNT_LINK_ESTABLISHED) { 14658 14659 if ((sata_device.satadev_scr.sstatus & 14660 SATA_PORT_DEVLINK_UP_MASK) != SATA_PORT_DEVLINK_UP) { 14661 /* Ignore event */ 14662 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14663 "Ignoring port %d link established event - " 14664 "link down", 14665 saddr->cport); 14666 goto linklost; 14667 } 14668 14669 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14670 "Processing port %d link established event", 14671 saddr->cport); 14672 14673 /* 14674 * For the sanity sake check if a device is attached - check 14675 * return state of a port probing. 14676 */ 14677 if (sata_device.satadev_type != SATA_DTYPE_NONE && 14678 sata_device.satadev_type != SATA_DTYPE_PMULT) { 14679 /* 14680 * HBA port probe indicated that there is a device 14681 * attached. Check if the framework had device info 14682 * structure attached for this device. 14683 */ 14684 if (cportinfo->cport_dev_type != SATA_DTYPE_NONE) { 14685 ASSERT(SATA_CPORTINFO_DRV_INFO(cportinfo) != 14686 NULL); 14687 14688 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 14689 if ((sdinfo->satadrv_type & 14690 SATA_VALID_DEV_TYPE) != 0) { 14691 /* 14692 * Dev info structure is present. 14693 * If dev_type is set to known type in 14694 * the framework's drive info struct 14695 * then the device existed before and 14696 * the link was probably lost 14697 * momentarily - in such case 14698 * we may want to check device 14699 * identity. 14700 * Identity check is not supported now. 14701 * 14702 * Link established event 14703 * triggers device reset event. 14704 */ 14705 (SATA_CPORTINFO_DRV_INFO(cportinfo))-> 14706 satadrv_event_flags |= 14707 SATA_EVNT_DEVICE_RESET; 14708 } 14709 } else if (cportinfo->cport_dev_type == 14710 SATA_DTYPE_NONE) { 14711 /* 14712 * We got new device attached! If HBA does not 14713 * generate device attached events, trigger it 14714 * here. 14715 */ 14716 if (!(SATA_FEATURES(sata_hba_inst) & 14717 SATA_CTLF_HOTPLUG)) { 14718 cportinfo->cport_event_flags |= 14719 SATA_EVNT_DEVICE_ATTACHED; 14720 } 14721 } 14722 /* Reset link lost timeout */ 14723 cportinfo->cport_link_lost_time = 0; 14724 } 14725 } 14726 linklost: 14727 if (event_flags & SATA_EVNT_LINK_LOST) { 14728 if ((sata_device.satadev_scr.sstatus & 14729 SATA_PORT_DEVLINK_UP_MASK) == SATA_PORT_DEVLINK_UP) { 14730 /* Ignore event */ 14731 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14732 "Ignoring port %d link lost event - link is up", 14733 saddr->cport); 14734 goto done; 14735 } 14736 #ifdef SATA_DEBUG 14737 if (cportinfo->cport_link_lost_time == 0) { 14738 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14739 "Processing port %d link lost event", 14740 saddr->cport); 14741 } 14742 #endif 14743 /* 14744 * When HBA cannot generate device attached/detached events, 14745 * we need to track link lost time and eventually generate 14746 * device detach event. 14747 */ 14748 if (!(SATA_FEATURES(sata_hba_inst) & SATA_CTLF_HOTPLUG)) { 14749 /* We are tracking link lost time */ 14750 if (cportinfo->cport_link_lost_time == 0) { 14751 /* save current time (lbolt value) */ 14752 cportinfo->cport_link_lost_time = 14753 ddi_get_lbolt(); 14754 /* just keep link lost event */ 14755 cportinfo->cport_event_flags |= 14756 SATA_EVNT_LINK_LOST; 14757 } else { 14758 clock_t cur_time = ddi_get_lbolt(); 14759 if ((cur_time - 14760 cportinfo->cport_link_lost_time) >= 14761 drv_usectohz( 14762 SATA_EVNT_LINK_LOST_TIMEOUT)) { 14763 /* trigger device detach event */ 14764 cportinfo->cport_event_flags |= 14765 SATA_EVNT_DEVICE_DETACHED; 14766 cportinfo->cport_link_lost_time = 0; 14767 SATADBG1(SATA_DBG_EVENTS, 14768 sata_hba_inst, 14769 "Triggering port %d " 14770 "device detached event", 14771 saddr->cport); 14772 } else { 14773 /* keep link lost event */ 14774 cportinfo->cport_event_flags |= 14775 SATA_EVNT_LINK_LOST; 14776 } 14777 } 14778 } 14779 /* 14780 * We could change port state to disable/delay access to 14781 * the attached device until the link is recovered. 14782 */ 14783 } 14784 done: 14785 event_flags = cportinfo->cport_event_flags; 14786 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14787 if (event_flags != 0) { 14788 mutex_enter(&sata_hba_inst->satahba_mutex); 14789 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 14790 mutex_exit(&sata_hba_inst->satahba_mutex); 14791 mutex_enter(&sata_mutex); 14792 sata_event_pending |= SATA_EVNT_MAIN; 14793 mutex_exit(&sata_mutex); 14794 } 14795 } 14796 14797 /* 14798 * Device Detached Event processing. 14799 * Port is probed to find if a device is really gone. If so, 14800 * the device info structure is detached from the SATA port info structure 14801 * and released. 14802 * Port status is updated. 14803 * 14804 * NOTE: Process cports event only, no port multiplier ports. 14805 */ 14806 static void 14807 sata_process_device_detached(sata_hba_inst_t *sata_hba_inst, 14808 sata_address_t *saddr) 14809 { 14810 sata_cport_info_t *cportinfo; 14811 sata_drive_info_t *sdevinfo; 14812 sata_device_t sata_device; 14813 dev_info_t *tdip; 14814 int rval; 14815 14816 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14817 "Processing port %d device detached", saddr->cport); 14818 14819 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 14820 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14821 /* Clear event flag */ 14822 cportinfo->cport_event_flags &= ~SATA_EVNT_DEVICE_DETACHED; 14823 14824 /* If the port is in SHUTDOWN or FAILED state, ignore detach event. */ 14825 if ((cportinfo->cport_state & 14826 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) { 14827 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 14828 cport_mutex); 14829 return; 14830 } 14831 /* For sanity, re-probe the port */ 14832 sata_device.satadev_rev = SATA_DEVICE_REV; 14833 sata_device.satadev_addr = *saddr; 14834 14835 /* 14836 * We have to exit mutex, because the HBA probe port function may 14837 * block on its own mutex. 14838 */ 14839 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14840 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 14841 (SATA_DIP(sata_hba_inst), &sata_device); 14842 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14843 sata_update_port_info(sata_hba_inst, &sata_device); 14844 if (rval != SATA_SUCCESS) { 14845 /* Something went wrong? Fail the port */ 14846 cportinfo->cport_state = SATA_PSTATE_FAILED; 14847 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 14848 cport_mutex); 14849 SATA_LOG_D((sata_hba_inst, CE_WARN, 14850 "SATA port %d probing failed", 14851 saddr->cport)); 14852 /* 14853 * We may want to release device info structure, but 14854 * it is not necessary. 14855 */ 14856 return; 14857 } else { 14858 /* port probed successfully */ 14859 cportinfo->cport_state |= SATA_STATE_PROBED | SATA_STATE_READY; 14860 } 14861 /* 14862 * Check if a device is still attached. For sanity, check also 14863 * link status - if no link, there is no device. 14864 */ 14865 if ((sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) == 14866 SATA_PORT_DEVLINK_UP && sata_device.satadev_type != 14867 SATA_DTYPE_NONE) { 14868 /* 14869 * Device is still attached - ignore detach event. 14870 */ 14871 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 14872 cport_mutex); 14873 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14874 "Ignoring detach - device still attached to port %d", 14875 sata_device.satadev_addr.cport); 14876 return; 14877 } 14878 /* 14879 * We need to detach and release device info structure here 14880 */ 14881 if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { 14882 sdevinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 14883 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 14884 (void) kmem_free((void *)sdevinfo, 14885 sizeof (sata_drive_info_t)); 14886 } 14887 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 14888 /* 14889 * Device cannot be reached anymore, even if the target node may be 14890 * still present. 14891 */ 14892 14893 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14894 sata_log(sata_hba_inst, CE_WARN, "SATA device detached at port %d", 14895 sata_device.satadev_addr.cport); 14896 14897 /* 14898 * Try to offline a device and remove target node if it still exists 14899 */ 14900 tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), saddr->cport); 14901 if (tdip != NULL) { 14902 /* 14903 * Target node exists. Unconfigure device then remove 14904 * the target node (one ndi operation). 14905 */ 14906 if (ndi_devi_offline(tdip, NDI_DEVI_REMOVE) != NDI_SUCCESS) { 14907 /* 14908 * PROBLEM - no device, but target node remained 14909 * This happens when the file was open or node was 14910 * waiting for resources. 14911 */ 14912 SATA_LOG_D((sata_hba_inst, CE_WARN, 14913 "sata_process_device_detached: " 14914 "Failed to remove target node for " 14915 "detached SATA device.")); 14916 /* 14917 * Set target node state to DEVI_DEVICE_REMOVED. 14918 * But re-check first that the node still exists. 14919 */ 14920 tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), 14921 saddr->cport); 14922 if (tdip != NULL) { 14923 sata_set_device_removed(tdip); 14924 /* 14925 * Instruct event daemon to retry the 14926 * cleanup later. 14927 */ 14928 sata_set_target_node_cleanup(sata_hba_inst, 14929 &sata_device.satadev_addr); 14930 } 14931 } 14932 } 14933 /* 14934 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 14935 * with the hint: SE_HINT_REMOVE 14936 */ 14937 sata_gen_sysevent(sata_hba_inst, saddr, SE_HINT_REMOVE); 14938 } 14939 14940 14941 /* 14942 * Device Attached Event processing. 14943 * Port state is checked to verify that a device is really attached. If so, 14944 * the device info structure is created and attached to the SATA port info 14945 * structure. 14946 * 14947 * If attached device cannot be identified or set-up, the retry for the 14948 * attach processing is set-up. Subsequent daemon run would try again to 14949 * identify the device, until the time limit is reached 14950 * (SATA_DEV_IDENTIFY_TIMEOUT). 14951 * 14952 * This function cannot be called in interrupt context (it may sleep). 14953 * 14954 * NOTE: Process cports event only, no port multiplier ports. 14955 */ 14956 static void 14957 sata_process_device_attached(sata_hba_inst_t *sata_hba_inst, 14958 sata_address_t *saddr) 14959 { 14960 sata_cport_info_t *cportinfo; 14961 sata_drive_info_t *sdevinfo; 14962 sata_device_t sata_device; 14963 dev_info_t *tdip; 14964 uint32_t event_flags; 14965 int rval; 14966 14967 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14968 "Processing port %d device attached", saddr->cport); 14969 14970 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 14971 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 14972 14973 /* Clear attach event flag first */ 14974 cportinfo->cport_event_flags &= ~SATA_EVNT_DEVICE_ATTACHED; 14975 14976 /* If the port is in SHUTDOWN or FAILED state, ignore event. */ 14977 if ((cportinfo->cport_state & 14978 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) { 14979 cportinfo->cport_dev_attach_time = 0; 14980 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 14981 cport_mutex); 14982 return; 14983 } 14984 14985 /* 14986 * If the sata_drive_info structure is found attached to the port info, 14987 * despite the fact the device was removed and now it is re-attached, 14988 * the old drive info structure was not removed. 14989 * Arbitrarily release device info structure. 14990 */ 14991 if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { 14992 sdevinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 14993 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 14994 (void) kmem_free((void *)sdevinfo, 14995 sizeof (sata_drive_info_t)); 14996 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 14997 "Arbitrarily detaching old device info.", NULL); 14998 } 14999 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 15000 15001 /* For sanity, re-probe the port */ 15002 sata_device.satadev_rev = SATA_DEVICE_REV; 15003 sata_device.satadev_addr = *saddr; 15004 15005 /* 15006 * We have to exit mutex, because the HBA probe port function may 15007 * block on its own mutex. 15008 */ 15009 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15010 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 15011 (SATA_DIP(sata_hba_inst), &sata_device); 15012 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15013 sata_update_port_info(sata_hba_inst, &sata_device); 15014 if (rval != SATA_SUCCESS) { 15015 /* Something went wrong? Fail the port */ 15016 cportinfo->cport_state = SATA_PSTATE_FAILED; 15017 cportinfo->cport_dev_attach_time = 0; 15018 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 15019 cport_mutex); 15020 SATA_LOG_D((sata_hba_inst, CE_WARN, 15021 "SATA port %d probing failed", 15022 saddr->cport)); 15023 return; 15024 } else { 15025 /* port probed successfully */ 15026 cportinfo->cport_state |= SATA_STATE_PROBED | SATA_STATE_READY; 15027 } 15028 /* 15029 * Check if a device is still attached. For sanity, check also 15030 * link status - if no link, there is no device. 15031 */ 15032 if ((sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != 15033 SATA_PORT_DEVLINK_UP || sata_device.satadev_type == 15034 SATA_DTYPE_NONE) { 15035 /* 15036 * No device - ignore attach event. 15037 */ 15038 cportinfo->cport_dev_attach_time = 0; 15039 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 15040 cport_mutex); 15041 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 15042 "Ignoring attach - no device connected to port %d", 15043 sata_device.satadev_addr.cport); 15044 return; 15045 } 15046 15047 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15048 /* 15049 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 15050 * with the hint: SE_HINT_INSERT 15051 */ 15052 sata_gen_sysevent(sata_hba_inst, saddr, SE_HINT_INSERT); 15053 15054 /* 15055 * Port reprobing will take care of the creation of the device 15056 * info structure and determination of the device type. 15057 */ 15058 sata_device.satadev_addr = *saddr; 15059 (void) sata_reprobe_port(sata_hba_inst, &sata_device, 15060 SATA_DEV_IDENTIFY_NORETRY); 15061 15062 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 15063 cport_mutex); 15064 if ((cportinfo->cport_state & SATA_STATE_READY) && 15065 (cportinfo->cport_dev_type != SATA_DTYPE_NONE)) { 15066 /* Some device is attached to the port */ 15067 if (cportinfo->cport_dev_type == SATA_DTYPE_UNKNOWN) { 15068 /* 15069 * A device was not successfully attached. 15070 * Track retry time for device identification. 15071 */ 15072 if (cportinfo->cport_dev_attach_time != 0) { 15073 clock_t cur_time = ddi_get_lbolt(); 15074 /* 15075 * If the retry time limit was not exceeded, 15076 * reinstate attach event. 15077 */ 15078 if ((cur_time - 15079 cportinfo->cport_dev_attach_time) < 15080 drv_usectohz( 15081 SATA_DEV_IDENTIFY_TIMEOUT)) { 15082 /* OK, restore attach event */ 15083 cportinfo->cport_event_flags |= 15084 SATA_EVNT_DEVICE_ATTACHED; 15085 } else { 15086 /* Timeout - cannot identify device */ 15087 cportinfo->cport_dev_attach_time = 0; 15088 sata_log(sata_hba_inst, 15089 CE_WARN, 15090 "Could not identify SATA device " 15091 "at port %d", 15092 saddr->cport); 15093 } 15094 } else { 15095 /* 15096 * Start tracking time for device 15097 * identification. 15098 * Save current time (lbolt value). 15099 */ 15100 cportinfo->cport_dev_attach_time = 15101 ddi_get_lbolt(); 15102 /* Restore attach event */ 15103 cportinfo->cport_event_flags |= 15104 SATA_EVNT_DEVICE_ATTACHED; 15105 } 15106 } else { 15107 /* 15108 * If device was successfully attached, the subsequent 15109 * action depends on a state of the 15110 * sata_auto_online variable. If it is set to zero. 15111 * an explicit 'configure' command will be needed to 15112 * configure it. If its value is non-zero, we will 15113 * attempt to online (configure) the device. 15114 * First, log the message indicating that a device 15115 * was attached. 15116 */ 15117 cportinfo->cport_dev_attach_time = 0; 15118 sata_log(sata_hba_inst, CE_WARN, 15119 "SATA device detected at port %d", saddr->cport); 15120 15121 if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { 15122 sata_drive_info_t new_sdinfo; 15123 15124 /* Log device info data */ 15125 new_sdinfo = *(SATA_CPORTINFO_DRV_INFO( 15126 cportinfo)); 15127 sata_show_drive_info(sata_hba_inst, 15128 &new_sdinfo); 15129 } 15130 15131 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 15132 saddr->cport)->cport_mutex); 15133 15134 /* 15135 * Make sure that there is no target node for that 15136 * device. If so, release it. It should not happen, 15137 * unless we had problem removing the node when 15138 * device was detached. 15139 */ 15140 tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), 15141 saddr->cport); 15142 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 15143 saddr->cport)->cport_mutex); 15144 if (tdip != NULL) { 15145 15146 #ifdef SATA_DEBUG 15147 if ((cportinfo->cport_event_flags & 15148 SATA_EVNT_TARGET_NODE_CLEANUP) == 0) 15149 sata_log(sata_hba_inst, CE_WARN, 15150 "sata_process_device_attached: " 15151 "old device target node exists!"); 15152 #endif 15153 /* 15154 * target node exists - try to unconfigure 15155 * device and remove the node. 15156 */ 15157 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 15158 saddr->cport)->cport_mutex); 15159 rval = ndi_devi_offline(tdip, 15160 NDI_DEVI_REMOVE); 15161 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 15162 saddr->cport)->cport_mutex); 15163 15164 if (rval == NDI_SUCCESS) { 15165 cportinfo->cport_event_flags &= 15166 ~SATA_EVNT_TARGET_NODE_CLEANUP; 15167 cportinfo->cport_tgtnode_clean = B_TRUE; 15168 } else { 15169 /* 15170 * PROBLEM - the target node remained 15171 * and it belongs to a previously 15172 * attached device. 15173 * This happens when the file was open 15174 * or the node was waiting for 15175 * resources at the time the 15176 * associated device was removed. 15177 * Instruct event daemon to retry the 15178 * cleanup later. 15179 */ 15180 sata_log(sata_hba_inst, 15181 CE_WARN, 15182 "Application(s) accessing " 15183 "previously attached SATA " 15184 "device have to release " 15185 "it before newly inserted " 15186 "device can be made accessible.", 15187 saddr->cport); 15188 cportinfo->cport_event_flags |= 15189 SATA_EVNT_TARGET_NODE_CLEANUP; 15190 cportinfo->cport_tgtnode_clean = 15191 B_FALSE; 15192 } 15193 } 15194 if (sata_auto_online != 0) { 15195 cportinfo->cport_event_flags |= 15196 SATA_EVNT_AUTOONLINE_DEVICE; 15197 } 15198 15199 } 15200 } else { 15201 cportinfo->cport_dev_attach_time = 0; 15202 } 15203 15204 event_flags = cportinfo->cport_event_flags; 15205 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15206 if (event_flags != 0) { 15207 mutex_enter(&sata_hba_inst->satahba_mutex); 15208 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 15209 mutex_exit(&sata_hba_inst->satahba_mutex); 15210 mutex_enter(&sata_mutex); 15211 sata_event_pending |= SATA_EVNT_MAIN; 15212 mutex_exit(&sata_mutex); 15213 } 15214 } 15215 15216 15217 /* 15218 * Device Target Node Cleanup Event processing. 15219 * If the target node associated with a sata port device is in 15220 * DEVI_DEVICE_REMOVED state, an attempt is made to remove it. 15221 * If the target node cannot be removed, the event flag is left intact, 15222 * so that event daemon may re-run this function later. 15223 * 15224 * This function cannot be called in interrupt context (it may sleep). 15225 * 15226 * NOTE: Processes cport events only, not port multiplier ports. 15227 */ 15228 static void 15229 sata_process_target_node_cleanup(sata_hba_inst_t *sata_hba_inst, 15230 sata_address_t *saddr) 15231 { 15232 sata_cport_info_t *cportinfo; 15233 dev_info_t *tdip; 15234 15235 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 15236 "Processing port %d device target node cleanup", saddr->cport); 15237 15238 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 15239 15240 /* 15241 * Check if there is target node for that device and it is in the 15242 * DEVI_DEVICE_REMOVED state. If so, release it. 15243 */ 15244 tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), saddr->cport); 15245 if (tdip != NULL) { 15246 /* 15247 * target node exists - check if it is target node of 15248 * a removed device. 15249 */ 15250 if (sata_check_device_removed(tdip) == B_TRUE) { 15251 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 15252 "sata_process_target_node_cleanup: " 15253 "old device target node exists!", NULL); 15254 /* 15255 * Unconfigure and remove the target node 15256 */ 15257 if (ndi_devi_offline(tdip, NDI_DEVI_REMOVE) == 15258 NDI_SUCCESS) { 15259 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 15260 saddr->cport)->cport_mutex); 15261 cportinfo->cport_event_flags &= 15262 ~SATA_EVNT_TARGET_NODE_CLEANUP; 15263 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 15264 saddr->cport)->cport_mutex); 15265 return; 15266 } 15267 /* 15268 * Event daemon will retry the cleanup later. 15269 */ 15270 mutex_enter(&sata_hba_inst->satahba_mutex); 15271 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 15272 mutex_exit(&sata_hba_inst->satahba_mutex); 15273 mutex_enter(&sata_mutex); 15274 sata_event_pending |= SATA_EVNT_MAIN; 15275 mutex_exit(&sata_mutex); 15276 } 15277 } else { 15278 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 15279 saddr->cport)->cport_mutex); 15280 cportinfo->cport_event_flags &= 15281 ~SATA_EVNT_TARGET_NODE_CLEANUP; 15282 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 15283 saddr->cport)->cport_mutex); 15284 } 15285 } 15286 15287 /* 15288 * Device AutoOnline Event processing. 15289 * If attached device is to be onlined, an attempt is made to online this 15290 * device, but only if there is no lingering (old) target node present. 15291 * If the device cannot be onlined, the event flag is left intact, 15292 * so that event daemon may re-run this function later. 15293 * 15294 * This function cannot be called in interrupt context (it may sleep). 15295 * 15296 * NOTE: Processes cport events only, not port multiplier ports. 15297 */ 15298 static void 15299 sata_process_device_autoonline(sata_hba_inst_t *sata_hba_inst, 15300 sata_address_t *saddr) 15301 { 15302 sata_cport_info_t *cportinfo; 15303 sata_drive_info_t *sdinfo; 15304 sata_device_t sata_device; 15305 dev_info_t *tdip; 15306 15307 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 15308 "Processing port %d attached device auto-onlining", saddr->cport); 15309 15310 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 15311 15312 /* 15313 * Check if device is present and recognized. If not, reset event. 15314 */ 15315 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15316 if ((cportinfo->cport_dev_type & SATA_VALID_DEV_TYPE) == 0) { 15317 /* Nothing to online */ 15318 cportinfo->cport_event_flags &= ~SATA_EVNT_AUTOONLINE_DEVICE; 15319 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 15320 saddr->cport)->cport_mutex); 15321 return; 15322 } 15323 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15324 15325 /* 15326 * Check if there is target node for this device and if it is in the 15327 * DEVI_DEVICE_REMOVED state. If so, abort onlining but keep 15328 * the event for later processing. 15329 */ 15330 tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), saddr->cport); 15331 if (tdip != NULL) { 15332 /* 15333 * target node exists - check if it is target node of 15334 * a removed device. 15335 */ 15336 if (sata_check_device_removed(tdip) == B_TRUE) { 15337 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 15338 "sata_process_device_autoonline: " 15339 "old device target node exists!", NULL); 15340 /* 15341 * Event daemon will retry device onlining later. 15342 */ 15343 mutex_enter(&sata_hba_inst->satahba_mutex); 15344 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 15345 mutex_exit(&sata_hba_inst->satahba_mutex); 15346 mutex_enter(&sata_mutex); 15347 sata_event_pending |= SATA_EVNT_MAIN; 15348 mutex_exit(&sata_mutex); 15349 return; 15350 } 15351 /* 15352 * If the target node is not in the 'removed" state, assume 15353 * that it belongs to this device. There is nothing more to do, 15354 * but reset the event. 15355 */ 15356 } else { 15357 15358 /* 15359 * Try to online the device 15360 * If there is any reset-related event, remove it. We are 15361 * configuring the device and no state restoring is needed. 15362 */ 15363 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 15364 saddr->cport)->cport_mutex); 15365 sata_device.satadev_addr = *saddr; 15366 if (saddr->qual == SATA_ADDR_CPORT) 15367 sata_device.satadev_addr.qual = SATA_ADDR_DCPORT; 15368 else 15369 sata_device.satadev_addr.qual = SATA_ADDR_DPMPORT; 15370 sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); 15371 if (sdinfo != NULL) { 15372 if (sdinfo->satadrv_event_flags & 15373 (SATA_EVNT_DEVICE_RESET | 15374 SATA_EVNT_INPROC_DEVICE_RESET)) 15375 sdinfo->satadrv_event_flags = 0; 15376 sdinfo->satadrv_event_flags |= 15377 SATA_EVNT_CLEAR_DEVICE_RESET; 15378 15379 /* Need to create a new target node. */ 15380 cportinfo->cport_tgtnode_clean = B_TRUE; 15381 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 15382 saddr->cport)->cport_mutex); 15383 tdip = sata_create_target_node(SATA_DIP(sata_hba_inst), 15384 sata_hba_inst, &sata_device.satadev_addr); 15385 if (tdip == NULL) { 15386 /* 15387 * Configure (onlining) failed. 15388 * We will NOT retry 15389 */ 15390 SATA_LOG_D((sata_hba_inst, CE_WARN, 15391 "sata_process_device_autoonline: " 15392 "configuring SATA device at port %d failed", 15393 saddr->cport)); 15394 } 15395 } else { 15396 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 15397 saddr->cport)->cport_mutex); 15398 } 15399 15400 } 15401 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15402 cportinfo->cport_event_flags &= ~SATA_EVNT_AUTOONLINE_DEVICE; 15403 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 15404 saddr->cport)->cport_mutex); 15405 } 15406 15407 15408 static void 15409 sata_gen_sysevent(sata_hba_inst_t *sata_hba_inst, sata_address_t *saddr, 15410 int hint) 15411 { 15412 char ap[MAXPATHLEN]; 15413 nvlist_t *ev_attr_list = NULL; 15414 int err; 15415 15416 /* Allocate and build sysevent attribute list */ 15417 err = nvlist_alloc(&ev_attr_list, NV_UNIQUE_NAME_TYPE, DDI_NOSLEEP); 15418 if (err != 0) { 15419 SATA_LOG_D((sata_hba_inst, CE_WARN, 15420 "sata_gen_sysevent: " 15421 "cannot allocate memory for sysevent attributes\n")); 15422 return; 15423 } 15424 /* Add hint attribute */ 15425 err = nvlist_add_string(ev_attr_list, DR_HINT, SE_HINT2STR(hint)); 15426 if (err != 0) { 15427 SATA_LOG_D((sata_hba_inst, CE_WARN, 15428 "sata_gen_sysevent: " 15429 "failed to add DR_HINT attr for sysevent")); 15430 nvlist_free(ev_attr_list); 15431 return; 15432 } 15433 /* 15434 * Add AP attribute. 15435 * Get controller pathname and convert it into AP pathname by adding 15436 * a target number. 15437 */ 15438 (void) snprintf(ap, MAXPATHLEN, "/devices"); 15439 (void) ddi_pathname(SATA_DIP(sata_hba_inst), ap + strlen(ap)); 15440 (void) snprintf(ap + strlen(ap), MAXPATHLEN - strlen(ap), ":%d", 15441 SATA_MAKE_AP_NUMBER(saddr->cport, saddr->pmport, saddr->qual)); 15442 15443 err = nvlist_add_string(ev_attr_list, DR_AP_ID, ap); 15444 if (err != 0) { 15445 SATA_LOG_D((sata_hba_inst, CE_WARN, 15446 "sata_gen_sysevent: " 15447 "failed to add DR_AP_ID attr for sysevent")); 15448 nvlist_free(ev_attr_list); 15449 return; 15450 } 15451 15452 /* Generate/log sysevent */ 15453 err = ddi_log_sysevent(SATA_DIP(sata_hba_inst), DDI_VENDOR_SUNW, EC_DR, 15454 ESC_DR_AP_STATE_CHANGE, ev_attr_list, NULL, DDI_NOSLEEP); 15455 if (err != DDI_SUCCESS) { 15456 SATA_LOG_D((sata_hba_inst, CE_WARN, 15457 "sata_gen_sysevent: " 15458 "cannot log sysevent, err code %x\n", err)); 15459 } 15460 15461 nvlist_free(ev_attr_list); 15462 } 15463 15464 15465 15466 15467 /* 15468 * Set DEVI_DEVICE_REMOVED state in the SATA device target node. 15469 */ 15470 static void 15471 sata_set_device_removed(dev_info_t *tdip) 15472 { 15473 int circ; 15474 15475 ASSERT(tdip != NULL); 15476 15477 ndi_devi_enter(tdip, &circ); 15478 mutex_enter(&DEVI(tdip)->devi_lock); 15479 DEVI_SET_DEVICE_REMOVED(tdip); 15480 mutex_exit(&DEVI(tdip)->devi_lock); 15481 ndi_devi_exit(tdip, circ); 15482 } 15483 15484 15485 /* 15486 * Set internal event instructing event daemon to try 15487 * to perform the target node cleanup. 15488 */ 15489 static void 15490 sata_set_target_node_cleanup(sata_hba_inst_t *sata_hba_inst, 15491 sata_address_t *saddr) 15492 { 15493 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15494 SATA_CPORT_EVENT_FLAGS(sata_hba_inst, saddr->cport) |= 15495 SATA_EVNT_TARGET_NODE_CLEANUP; 15496 SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_tgtnode_clean = 15497 B_FALSE; 15498 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 15499 mutex_enter(&sata_hba_inst->satahba_mutex); 15500 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 15501 mutex_exit(&sata_hba_inst->satahba_mutex); 15502 mutex_enter(&sata_mutex); 15503 sata_event_pending |= SATA_EVNT_MAIN; 15504 mutex_exit(&sata_mutex); 15505 } 15506 15507 15508 /* 15509 * Check if the SATA device target node is in DEVI_DEVICE_REMOVED state, 15510 * i.e. check if the target node state indicates that it belongs to a removed 15511 * device. 15512 * 15513 * Returns B_TRUE if the target node is in DEVI_DEVICE_REMOVED state, 15514 * B_FALSE otherwise. 15515 * 15516 * NOTE: No port multiplier support. 15517 */ 15518 static boolean_t 15519 sata_check_device_removed(dev_info_t *tdip) 15520 { 15521 ASSERT(tdip != NULL); 15522 15523 if (DEVI_IS_DEVICE_REMOVED(tdip)) 15524 return (B_TRUE); 15525 else 15526 return (B_FALSE); 15527 } 15528 15529 /* ************************ FAULT INJECTTION **************************** */ 15530 15531 #ifdef SATA_INJECT_FAULTS 15532 15533 static uint32_t sata_fault_count = 0; 15534 static uint32_t sata_fault_suspend_count = 0; 15535 15536 /* 15537 * Inject sata pkt fault 15538 * It modifies returned values of the sata packet. 15539 * First argument is the pointer to the executed sata packet. 15540 * The second argument specifies SATA command to be affected (not all commands 15541 * are instrumented). 15542 * Third argument is a pointer to a value returned by the HBA tran_start 15543 * function. 15544 * Fourth argument specifies injected error. Injected sata packet faults 15545 * are the satapkt_reason values. 15546 * SATA_PKT_BUSY -1 Not completed, busy 15547 * SATA_PKT_DEV_ERROR 1 Device reported error 15548 * SATA_PKT_QUEUE_FULL 2 Not accepted, queue full 15549 * SATA_PKT_PORT_ERROR 3 Not completed, port error 15550 * SATA_PKT_CMD_UNSUPPORTED 4 Cmd unsupported 15551 * SATA_PKT_ABORTED 5 Aborted by request 15552 * SATA_PKT_TIMEOUT 6 Operation timeut 15553 * SATA_PKT_RESET 7 Aborted by reset request 15554 * 15555 * sata_inject_fault_count variable specifies number of times in row the 15556 * error is injected. Value of -1 specifies permanent fault, ie. every time 15557 * the fault injection pointnis reached, the fault is injected and anu pause 15558 * between fault injection specified by sata_inject_fault_pause_count is 15559 * ignored). 15560 * 15561 * sata_inject_fault_pause_count variable specifies number of times a fault 15562 * injection is bypassed (pause between fault injections). 15563 * If set to 0, a fault is injected only a number of times specified by 15564 * sata_inject_fault_count. 15565 * 15566 * The fault counts are static, so for periodic errors they have to be manually 15567 * reset to start repetition sequence from scratch. 15568 * If the original value returned by the HBA tran_start function is not 15569 * SATA_TRAN_ACCEPTED and pkt reason is not SATA_PKT_COMPLETED, no error 15570 * is injected (to avoid masking real problems); 15571 * 15572 * NOTE: In its current incarnation, this function should be invoked only for 15573 * commands executed in SYNCHRONOUS mode. 15574 */ 15575 15576 15577 static void 15578 sata_inject_pkt_fault(sata_pkt_t *spkt, uint8_t cmd, int *rval, 15579 int fault) 15580 { 15581 if (fault == 0) 15582 return; 15583 if (sata_inject_fault_count == 0) 15584 return; 15585 15586 if (spkt->satapkt_cmd.satacmd_cmd_reg != cmd) 15587 return; 15588 15589 if (*rval != SATA_TRAN_ACCEPTED || 15590 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 15591 sata_fault_count = 0; 15592 sata_fault_suspend_count = 0; 15593 return; 15594 } 15595 if (sata_fault_count == 0 && sata_fault_suspend_count != 0) { 15596 /* Pause in the injection */ 15597 sata_fault_suspend_count -= 1; 15598 return; 15599 } 15600 15601 if (sata_fault_count == 0 && sata_fault_suspend_count == 0) { 15602 /* 15603 * Init inject fault cycle. If fault count is set to -1, 15604 * it is a permanent fault. 15605 */ 15606 if (sata_inject_fault_count != -1) { 15607 sata_fault_count = sata_inject_fault_count; 15608 sata_fault_suspend_count = 15609 sata_inject_fault_pause_count; 15610 if (sata_fault_suspend_count == 0) 15611 sata_inject_fault_count = 0; 15612 } 15613 } 15614 15615 if (sata_fault_count != 0) 15616 sata_fault_count -= 1; 15617 15618 switch (fault) { 15619 case SATA_PKT_BUSY: 15620 *rval = SATA_TRAN_BUSY; 15621 spkt->satapkt_reason = SATA_PKT_BUSY; 15622 break; 15623 15624 case SATA_PKT_QUEUE_FULL: 15625 *rval = SATA_TRAN_QUEUE_FULL; 15626 spkt->satapkt_reason = SATA_PKT_QUEUE_FULL; 15627 break; 15628 15629 case SATA_PKT_CMD_UNSUPPORTED: 15630 *rval = SATA_TRAN_CMD_UNSUPPORTED; 15631 spkt->satapkt_reason = SATA_PKT_CMD_UNSUPPORTED; 15632 break; 15633 15634 case SATA_PKT_PORT_ERROR: 15635 /* This is "rejected" command */ 15636 *rval = SATA_TRAN_PORT_ERROR; 15637 spkt->satapkt_reason = SATA_PKT_PORT_ERROR; 15638 /* Additional error setup could be done here - port state */ 15639 break; 15640 15641 case SATA_PKT_DEV_ERROR: 15642 spkt->satapkt_reason = SATA_PKT_DEV_ERROR; 15643 /* 15644 * Additional error setup could be done here 15645 */ 15646 break; 15647 15648 case SATA_PKT_ABORTED: 15649 spkt->satapkt_reason = SATA_PKT_ABORTED; 15650 break; 15651 15652 case SATA_PKT_TIMEOUT: 15653 spkt->satapkt_reason = SATA_PKT_TIMEOUT; 15654 /* Additional error setup could be done here */ 15655 break; 15656 15657 case SATA_PKT_RESET: 15658 spkt->satapkt_reason = SATA_PKT_RESET; 15659 /* 15660 * Additional error setup could be done here - device reset 15661 */ 15662 break; 15663 15664 default: 15665 break; 15666 } 15667 } 15668 15669 #endif 15670