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 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * SATA Framework 31 * Generic SATA Host Adapter Implementation 32 * 33 * NOTE: THIS VERSION DOES NOT SUPPORT ATAPI DEVICES, 34 * although there is some code related to these devices. 35 * 36 */ 37 #include <sys/conf.h> 38 #include <sys/file.h> 39 #include <sys/ddi.h> 40 #include <sys/sunddi.h> 41 #include <sys/modctl.h> 42 #include <sys/cmn_err.h> 43 #include <sys/errno.h> 44 #include <sys/thread.h> 45 #include <sys/kstat.h> 46 #include <sys/note.h> 47 #include <sys/sysevent.h> 48 #include <sys/sysevent/eventdefs.h> 49 #include <sys/sysevent/dr.h> 50 #include <sys/taskq.h> 51 52 #include <sys/sata/impl/sata.h> 53 #include <sys/sata/sata_hba.h> 54 #include <sys/sata/sata_defs.h> 55 #include <sys/sata/sata_cfgadm.h> 56 57 58 /* Debug flags - defined in sata.h */ 59 int sata_debug_flags = 0; 60 /* 61 * Flags enabling selected SATA HBA framework functionality 62 */ 63 #define SATA_ENABLE_QUEUING 1 64 #define SATA_ENABLE_NCQ 2 65 #define SATA_ENABLE_PROCESS_EVENTS 4 66 int sata_func_enable = 67 SATA_ENABLE_PROCESS_EVENTS | SATA_ENABLE_QUEUING | SATA_ENABLE_NCQ; 68 69 #ifdef SATA_DEBUG 70 #define SATA_LOG_D(args) sata_log args 71 uint64_t mbuf_count = 0; 72 uint64_t mbuffail_count = 0; 73 #else 74 #define SATA_LOG_D(arg) 75 #endif 76 77 78 /* 79 * SATA cb_ops functions 80 */ 81 static int sata_hba_open(dev_t *, int, int, cred_t *); 82 static int sata_hba_close(dev_t, int, int, cred_t *); 83 static int sata_hba_ioctl(dev_t, int, intptr_t, int, cred_t *, int *); 84 85 /* 86 * SCSA required entry points 87 */ 88 static int sata_scsi_tgt_init(dev_info_t *, dev_info_t *, 89 scsi_hba_tran_t *, struct scsi_device *); 90 static int sata_scsi_tgt_probe(struct scsi_device *, 91 int (*callback)(void)); 92 static void sata_scsi_tgt_free(dev_info_t *, dev_info_t *, 93 scsi_hba_tran_t *, struct scsi_device *); 94 static int sata_scsi_start(struct scsi_address *, struct scsi_pkt *); 95 static int sata_scsi_abort(struct scsi_address *, struct scsi_pkt *); 96 static int sata_scsi_reset(struct scsi_address *, int); 97 static int sata_scsi_getcap(struct scsi_address *, char *, int); 98 static int sata_scsi_setcap(struct scsi_address *, char *, int, int); 99 static struct scsi_pkt *sata_scsi_init_pkt(struct scsi_address *, 100 struct scsi_pkt *, struct buf *, int, int, int, int, int (*)(caddr_t), 101 caddr_t); 102 static void sata_scsi_destroy_pkt(struct scsi_address *, struct scsi_pkt *); 103 static void sata_scsi_dmafree(struct scsi_address *, struct scsi_pkt *); 104 static void sata_scsi_sync_pkt(struct scsi_address *, struct scsi_pkt *); 105 106 107 /* 108 * Local functions 109 */ 110 static void sata_remove_hba_instance(dev_info_t *); 111 static int sata_validate_sata_hba_tran(dev_info_t *, sata_hba_tran_t *); 112 static void sata_probe_ports(sata_hba_inst_t *); 113 static int sata_reprobe_port(sata_hba_inst_t *, sata_device_t *, int); 114 static int sata_add_device(dev_info_t *, sata_hba_inst_t *, int cport, 115 int pmport); 116 static dev_info_t *sata_create_target_node(dev_info_t *, sata_hba_inst_t *, 117 sata_address_t *); 118 static int sata_validate_scsi_address(sata_hba_inst_t *, 119 struct scsi_address *, sata_device_t *); 120 static int sata_validate_sata_address(sata_hba_inst_t *, int, int, int); 121 static sata_pkt_t *sata_pkt_alloc(sata_pkt_txlate_t *, int (*)(caddr_t)); 122 static void sata_pkt_free(sata_pkt_txlate_t *); 123 static int sata_dma_buf_setup(sata_pkt_txlate_t *, int, int (*)(caddr_t), 124 caddr_t, ddi_dma_attr_t *); 125 static int sata_probe_device(sata_hba_inst_t *, sata_device_t *); 126 static sata_drive_info_t *sata_get_device_info(sata_hba_inst_t *, 127 sata_device_t *); 128 static int sata_identify_device(sata_hba_inst_t *, sata_drive_info_t *); 129 static struct buf *sata_alloc_local_buffer(sata_pkt_txlate_t *, int); 130 static void sata_free_local_buffer(sata_pkt_txlate_t *); 131 static uint64_t sata_check_capacity(sata_drive_info_t *); 132 void sata_adjust_dma_attr(sata_drive_info_t *, ddi_dma_attr_t *, 133 ddi_dma_attr_t *); 134 static int sata_fetch_device_identify_data(sata_hba_inst_t *, 135 sata_drive_info_t *); 136 static void sata_update_port_info(sata_hba_inst_t *, sata_device_t *); 137 static void sata_update_port_scr(sata_port_scr_t *, sata_device_t *); 138 static int sata_set_udma_mode(sata_hba_inst_t *, sata_drive_info_t *); 139 static int sata_set_cache_mode(sata_hba_inst_t *, sata_drive_info_t *, int); 140 static int sata_set_drive_features(sata_hba_inst_t *, 141 sata_drive_info_t *, int flag); 142 static void sata_init_write_cache_mode(sata_drive_info_t *sdinfo); 143 static int sata_initialize_device(sata_hba_inst_t *, sata_drive_info_t *); 144 145 /* Event processing functions */ 146 static void sata_event_daemon(void *); 147 static void sata_event_thread_control(int); 148 static void sata_process_controller_events(sata_hba_inst_t *sata_hba_inst); 149 static void sata_process_device_reset(sata_hba_inst_t *, sata_address_t *); 150 static void sata_process_port_failed_event(sata_hba_inst_t *, 151 sata_address_t *); 152 static void sata_process_port_link_events(sata_hba_inst_t *, 153 sata_address_t *); 154 static void sata_process_device_detached(sata_hba_inst_t *, sata_address_t *); 155 static void sata_process_device_attached(sata_hba_inst_t *, sata_address_t *); 156 static void sata_process_port_pwr_change(sata_hba_inst_t *, sata_address_t *); 157 static void sata_process_cntrl_pwr_level_change(sata_hba_inst_t *); 158 159 /* Local functions for ioctl */ 160 static int32_t sata_get_port_num(sata_hba_inst_t *, struct devctl_iocdata *); 161 static void sata_cfgadm_state(sata_hba_inst_t *, int32_t, 162 devctl_ap_state_t *); 163 static dev_info_t *sata_get_target_dip(dev_info_t *, int32_t); 164 static dev_info_t *sata_devt_to_devinfo(dev_t); 165 166 /* Local translation functions */ 167 static int sata_txlt_inquiry(sata_pkt_txlate_t *); 168 static int sata_txlt_test_unit_ready(sata_pkt_txlate_t *); 169 static int sata_txlt_start_stop_unit(sata_pkt_txlate_t *); 170 static int sata_txlt_read_capacity(sata_pkt_txlate_t *); 171 static int sata_txlt_request_sense(sata_pkt_txlate_t *); 172 static int sata_txlt_read(sata_pkt_txlate_t *); 173 static int sata_txlt_write(sata_pkt_txlate_t *); 174 static int sata_txlt_atapi(sata_pkt_txlate_t *); 175 static int sata_txlt_log_sense(sata_pkt_txlate_t *); 176 static int sata_txlt_log_select(sata_pkt_txlate_t *); 177 static int sata_txlt_mode_sense(sata_pkt_txlate_t *); 178 static int sata_txlt_mode_select(sata_pkt_txlate_t *); 179 static int sata_txlt_synchronize_cache(sata_pkt_txlate_t *); 180 static int sata_txlt_nodata_cmd_immediate(sata_pkt_txlate_t *); 181 182 static int sata_hba_start(sata_pkt_txlate_t *, int *); 183 static int sata_txlt_invalid_command(sata_pkt_txlate_t *); 184 static int sata_txlt_lba_out_of_range(sata_pkt_txlate_t *); 185 static void sata_txlt_rw_completion(sata_pkt_t *); 186 static void sata_txlt_atapi_completion(sata_pkt_t *); 187 static void sata_txlt_nodata_cmd_completion(sata_pkt_t *); 188 189 static struct scsi_extended_sense *sata_immediate_error_response( 190 sata_pkt_txlate_t *, int); 191 static struct scsi_extended_sense *sata_arq_sense(sata_pkt_txlate_t *); 192 193 /* Local functions */ 194 static void sata_identdev_to_inquiry(sata_hba_inst_t *, sata_drive_info_t *, 195 uint8_t *); 196 static int sata_build_msense_page_1(sata_drive_info_t *, int, uint8_t *); 197 static int sata_build_msense_page_8(sata_drive_info_t *, int, uint8_t *); 198 static int sata_build_msense_page_1a(sata_drive_info_t *, int, uint8_t *); 199 static int sata_build_msense_page_1c(sata_drive_info_t *, int, uint8_t *); 200 static int sata_mode_select_page_8(sata_pkt_txlate_t *, 201 struct mode_cache_scsi3 *, int, int *, int *, int *); 202 static int sata_mode_select_page_1c(sata_pkt_txlate_t *, 203 struct mode_info_excpt_page *, int, int *, int *, int *); 204 static int sata_build_lsense_page_0(sata_drive_info_t *, uint8_t *); 205 static int sata_build_lsense_page_10(sata_drive_info_t *, uint8_t *, 206 sata_hba_inst_t *); 207 static int sata_build_lsense_page_2f(sata_drive_info_t *, uint8_t *, 208 sata_hba_inst_t *); 209 static int sata_build_lsense_page_30(sata_drive_info_t *, uint8_t *, 210 sata_hba_inst_t *); 211 static void sata_save_drive_settings(sata_drive_info_t *); 212 static void sata_show_drive_info(sata_hba_inst_t *, sata_drive_info_t *); 213 static void sata_log(sata_hba_inst_t *, uint_t, char *fmt, ...); 214 static int sata_fetch_smart_return_status(sata_hba_inst_t *, 215 sata_drive_info_t *); 216 static int sata_fetch_smart_data(sata_hba_inst_t *, sata_drive_info_t *, 217 struct smart_data *); 218 static int sata_smart_selftest_log(sata_hba_inst_t *, 219 sata_drive_info_t *, 220 struct smart_selftest_log *); 221 static int sata_ext_smart_selftest_read_log(sata_hba_inst_t *, 222 sata_drive_info_t *, struct smart_ext_selftest_log *, uint16_t); 223 static int sata_smart_read_log(sata_hba_inst_t *, sata_drive_info_t *, 224 uint8_t *, uint8_t, uint8_t); 225 static int sata_read_log_ext_directory(sata_hba_inst_t *, sata_drive_info_t *, 226 struct read_log_ext_directory *); 227 static void sata_gen_sysevent(sata_hba_inst_t *, sata_address_t *, int); 228 static void sata_xlate_errors(sata_pkt_txlate_t *); 229 230 /* 231 * SATA Framework will ignore SATA HBA driver cb_ops structure and 232 * register following one with SCSA framework. 233 * Open & close are provided, so scsi framework will not use its own 234 */ 235 static struct cb_ops sata_cb_ops = { 236 sata_hba_open, /* open */ 237 sata_hba_close, /* close */ 238 nodev, /* strategy */ 239 nodev, /* print */ 240 nodev, /* dump */ 241 nodev, /* read */ 242 nodev, /* write */ 243 sata_hba_ioctl, /* ioctl */ 244 nodev, /* devmap */ 245 nodev, /* mmap */ 246 nodev, /* segmap */ 247 nochpoll, /* chpoll */ 248 ddi_prop_op, /* cb_prop_op */ 249 0, /* streamtab */ 250 D_NEW | D_MP, /* cb_flag */ 251 CB_REV, /* rev */ 252 nodev, /* aread */ 253 nodev /* awrite */ 254 }; 255 256 257 extern struct mod_ops mod_miscops; 258 extern uchar_t scsi_cdb_size[]; 259 260 static struct modlmisc modlmisc = { 261 &mod_miscops, /* Type of module */ 262 "Generic SATA Driver v%I%" /* module name */ 263 }; 264 265 266 static struct modlinkage modlinkage = { 267 MODREV_1, 268 (void *)&modlmisc, 269 NULL 270 }; 271 272 /* 273 * Default sata pkt timeout. Used when a target driver scsi_pkt time is zero, 274 * i.e. when scsi_pkt has not timeout specified. 275 */ 276 static int sata_default_pkt_time = 60; /* 60 seconds */ 277 278 /* 279 * Intermediate buffer device access attributes - they are required, 280 * but not necessarily used. 281 */ 282 static ddi_device_acc_attr_t sata_acc_attr = { 283 DDI_DEVICE_ATTR_V0, 284 DDI_STRUCTURE_LE_ACC, 285 DDI_STRICTORDER_ACC 286 }; 287 288 289 /* 290 * Mutexes protecting structures in multithreaded operations. 291 * Because events are relatively rare, a single global mutex protecting 292 * data structures should be sufficient. To increase performance, add 293 * separate mutex per each sata port and use global mutex only to protect 294 * common data structures. 295 */ 296 static kmutex_t sata_mutex; /* protects sata_hba_list */ 297 static kmutex_t sata_log_mutex; /* protects log */ 298 299 static char sata_log_buf[256]; 300 301 /* Default write cache setting */ 302 int sata_write_cache = 1; 303 304 /* 305 * Linked list of HBA instances 306 */ 307 static sata_hba_inst_t *sata_hba_list = NULL; 308 static sata_hba_inst_t *sata_hba_list_tail = NULL; 309 /* 310 * Pointer to per-instance SATA HBA soft structure is stored in sata_hba_tran 311 * structure and in sata soft state. 312 */ 313 314 /* 315 * Event daemon related variables 316 */ 317 static kmutex_t sata_event_mutex; 318 static kcondvar_t sata_event_cv; 319 static kthread_t *sata_event_thread = NULL; 320 static int sata_event_thread_terminate = 0; 321 static int sata_event_pending = 0; 322 static int sata_event_thread_active = 0; 323 extern pri_t minclsyspri; 324 325 /* 326 * NCQ specific data 327 */ 328 static const sata_cmd_t sata_rle_cmd = { 329 SATA_CMD_REV, 330 NULL, 331 { 332 SATA_DIR_READ 333 }, 334 ATA_ADDR_LBA48, 335 0, 336 0, 337 0, 338 0, 339 0, 340 1, 341 READ_LOG_EXT_NCQ_ERROR_RECOVERY, 342 0, 343 0, 344 0, 345 SATAC_READ_LOG_EXT, 346 0, 347 0, 348 0, 349 }; 350 351 /* Warlock directives */ 352 353 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", scsi_hba_tran)) 354 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", scsi_device)) 355 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", dev_ops)) 356 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", scsi_extended_sense)) 357 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", scsi_arq_status)) 358 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", ddi_dma_attr)) 359 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", ddi_dma_cookie_t)) 360 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", devctl_ap_state)) 361 _NOTE(MUTEX_PROTECTS_DATA(sata_mutex, sata_hba_list)) 362 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_hba_list)) 363 _NOTE(MUTEX_PROTECTS_DATA(sata_mutex, sata_hba_inst::satahba_next)) 364 _NOTE(MUTEX_PROTECTS_DATA(sata_mutex, sata_hba_inst::satahba_prev)) 365 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", \ 366 sata_hba_inst::satahba_scsi_tran)) 367 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", sata_hba_inst::satahba_tran)) 368 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", sata_hba_inst::satahba_dip)) 369 _NOTE(SCHEME_PROTECTS_DATA("Scheme", sata_hba_inst::satahba_attached)) 370 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_hba_inst::satahba_dev_port)) 371 _NOTE(MUTEX_PROTECTS_DATA(sata_hba_inst::satahba_mutex, 372 sata_hba_inst::satahba_event_flags)) 373 _NOTE(MUTEX_PROTECTS_DATA(sata_cport_info::cport_mutex, \ 374 sata_cport_info::cport_devp)) 375 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_cport_info::cport_devp)) 376 _NOTE(SCHEME_PROTECTS_DATA("Scheme", sata_cport_info::cport_addr)) 377 _NOTE(MUTEX_PROTECTS_DATA(sata_cport_info::cport_mutex, \ 378 sata_cport_info::cport_dev_type)) 379 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_cport_info::cport_dev_type)) 380 _NOTE(MUTEX_PROTECTS_DATA(sata_cport_info::cport_mutex, \ 381 sata_cport_info::cport_state)) 382 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_cport_info::cport_state)) 383 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmport_info::pmport_dev_type)) 384 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmport_info::pmport_sata_drive)) 385 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmult_info::pmult_dev_port)) 386 _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmult_info::pmult_num_dev_ports)) 387 #ifdef SATA_DEBUG 388 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", mbuf_count)) 389 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", mbuffail_count)) 390 #endif 391 392 /* End of warlock directives */ 393 394 /* ************** loadable module configuration functions ************** */ 395 396 int 397 _init() 398 { 399 int rval; 400 401 mutex_init(&sata_mutex, NULL, MUTEX_DRIVER, NULL); 402 mutex_init(&sata_event_mutex, NULL, MUTEX_DRIVER, NULL); 403 mutex_init(&sata_log_mutex, NULL, MUTEX_DRIVER, NULL); 404 cv_init(&sata_event_cv, NULL, CV_DRIVER, NULL); 405 if ((rval = mod_install(&modlinkage)) != 0) { 406 #ifdef SATA_DEBUG 407 cmn_err(CE_WARN, "sata: _init: mod_install failed\n"); 408 #endif 409 mutex_destroy(&sata_log_mutex); 410 cv_destroy(&sata_event_cv); 411 mutex_destroy(&sata_event_mutex); 412 mutex_destroy(&sata_mutex); 413 } 414 return (rval); 415 } 416 417 int 418 _fini() 419 { 420 int rval; 421 422 if ((rval = mod_remove(&modlinkage)) != 0) 423 return (rval); 424 425 mutex_destroy(&sata_log_mutex); 426 cv_destroy(&sata_event_cv); 427 mutex_destroy(&sata_event_mutex); 428 mutex_destroy(&sata_mutex); 429 return (rval); 430 } 431 432 int 433 _info(struct modinfo *modinfop) 434 { 435 return (mod_info(&modlinkage, modinfop)); 436 } 437 438 439 440 /* ********************* SATA HBA entry points ********************* */ 441 442 443 /* 444 * Called by SATA HBA from _init(). 445 * Registers HBA driver instance/sata framework pair with scsi framework, by 446 * calling scsi_hba_init(). 447 * 448 * SATA HBA driver cb_ops are ignored - SATA HBA framework cb_ops are used 449 * instead. SATA HBA framework cb_ops pointer overwrites SATA HBA driver 450 * cb_ops pointer in SATA HBA driver dev_ops structure. 451 * SATA HBA framework cb_ops supplies cb_open cb_close and cb_ioctl vectors. 452 * 453 * Return status of the scsi_hba_init() is returned to a calling SATA HBA 454 * driver. 455 */ 456 int 457 sata_hba_init(struct modlinkage *modlp) 458 { 459 int rval; 460 struct dev_ops *hba_ops; 461 462 SATADBG1(SATA_DBG_HBA_IF, NULL, 463 "sata_hba_init: name %s \n", 464 ((struct modldrv *)(modlp->ml_linkage[0]))->drv_linkinfo); 465 /* 466 * Fill-up cb_ops and dev_ops when necessary 467 */ 468 hba_ops = ((struct modldrv *)(modlp->ml_linkage[0]))->drv_dev_ops; 469 /* 470 * Provide pointer to SATA dev_ops 471 */ 472 hba_ops->devo_cb_ops = &sata_cb_ops; 473 474 /* 475 * Register SATA HBA with SCSI framework 476 */ 477 if ((rval = scsi_hba_init(modlp)) != 0) { 478 SATADBG1(SATA_DBG_HBA_IF, NULL, 479 "sata_hba_init: scsi hba init failed\n", NULL); 480 return (rval); 481 } 482 483 return (0); 484 } 485 486 487 /* HBA attach stages */ 488 #define HBA_ATTACH_STAGE_SATA_HBA_INST 1 489 #define HBA_ATTACH_STAGE_SCSI_ATTACHED 2 490 #define HBA_ATTACH_STAGE_SETUP 4 491 #define HBA_ATTACH_STAGE_LINKED 8 492 493 494 /* 495 * 496 * Called from SATA HBA driver's attach routine to attach an instance of 497 * the HBA. 498 * 499 * For DDI_ATTACH command: 500 * sata_hba_inst structure is allocated here and initialized with pointers to 501 * SATA framework implementation of required scsi tran functions. 502 * The scsi_tran's tran_hba_private field is used by SATA Framework to point 503 * to the soft structure (sata_hba_inst) allocated by SATA framework for 504 * SATA HBA instance related data. 505 * The scsi_tran's tran_hba_private field is used by SATA framework to 506 * store a pointer to per-HBA-instance of sata_hba_inst structure. 507 * The sata_hba_inst structure is cross-linked to scsi tran structure. 508 * Among other info, a pointer to sata_hba_tran structure is stored in 509 * sata_hba_inst. The sata_hba_inst structures for different HBA instances are 510 * linked together into the list, pointed to by sata_hba_list. 511 * On the first HBA instance attach the sata event thread is initialized. 512 * Attachment points are created for all SATA ports of the HBA being attached. 513 * All HBA instance's SATA ports are probed and type of plugged devices is 514 * determined. For each device of a supported type, a target node is created. 515 * 516 * DDI_SUCCESS is returned when attachment process is successful, 517 * DDI_FAILURE is returned otherwise. 518 * 519 * For DDI_RESUME command: 520 * Not implemented at this time (postponed until phase 2 of the development). 521 */ 522 int 523 sata_hba_attach(dev_info_t *dip, sata_hba_tran_t *sata_tran, 524 ddi_attach_cmd_t cmd) 525 { 526 sata_hba_inst_t *sata_hba_inst; 527 scsi_hba_tran_t *scsi_tran = NULL; 528 int hba_attach_state = 0; 529 char taskq_name[MAXPATHLEN]; 530 531 SATADBG3(SATA_DBG_HBA_IF, NULL, 532 "sata_hba_attach: node %s (%s%d)\n", 533 ddi_node_name(dip), ddi_driver_name(dip), 534 ddi_get_instance(dip)); 535 536 if (cmd == DDI_RESUME) { 537 /* 538 * Postponed until phase 2 of the development 539 */ 540 return (DDI_FAILURE); 541 } 542 543 if (cmd != DDI_ATTACH) { 544 return (DDI_FAILURE); 545 } 546 547 /* cmd == DDI_ATTACH */ 548 549 if (sata_validate_sata_hba_tran(dip, sata_tran) != SATA_SUCCESS) { 550 SATA_LOG_D((NULL, CE_WARN, 551 "sata_hba_attach: invalid sata_hba_tran")); 552 return (DDI_FAILURE); 553 } 554 /* 555 * Allocate and initialize SCSI tran structure. 556 * SATA copy of tran_bus_config is provided to create port nodes. 557 */ 558 scsi_tran = scsi_hba_tran_alloc(dip, SCSI_HBA_CANSLEEP); 559 if (scsi_tran == NULL) 560 return (DDI_FAILURE); 561 /* 562 * Allocate soft structure for SATA HBA instance. 563 * There is a separate softstate for each HBA instance. 564 */ 565 sata_hba_inst = kmem_zalloc(sizeof (struct sata_hba_inst), KM_SLEEP); 566 ASSERT(sata_hba_inst != NULL); /* this should not fail */ 567 mutex_init(&sata_hba_inst->satahba_mutex, NULL, MUTEX_DRIVER, NULL); 568 hba_attach_state |= HBA_ATTACH_STAGE_SATA_HBA_INST; 569 570 /* 571 * scsi_trans's tran_hba_private is used by SATA Framework to point to 572 * soft structure allocated by SATA framework for 573 * SATA HBA instance related data. 574 */ 575 scsi_tran->tran_hba_private = sata_hba_inst; 576 scsi_tran->tran_tgt_private = NULL; 577 578 scsi_tran->tran_tgt_init = sata_scsi_tgt_init; 579 scsi_tran->tran_tgt_probe = sata_scsi_tgt_probe; 580 scsi_tran->tran_tgt_free = sata_scsi_tgt_free; 581 582 scsi_tran->tran_start = sata_scsi_start; 583 scsi_tran->tran_reset = sata_scsi_reset; 584 scsi_tran->tran_abort = sata_scsi_abort; 585 scsi_tran->tran_getcap = sata_scsi_getcap; 586 scsi_tran->tran_setcap = sata_scsi_setcap; 587 scsi_tran->tran_init_pkt = sata_scsi_init_pkt; 588 scsi_tran->tran_destroy_pkt = sata_scsi_destroy_pkt; 589 590 scsi_tran->tran_dmafree = sata_scsi_dmafree; 591 scsi_tran->tran_sync_pkt = sata_scsi_sync_pkt; 592 593 scsi_tran->tran_reset_notify = NULL; 594 scsi_tran->tran_get_bus_addr = NULL; 595 scsi_tran->tran_quiesce = NULL; 596 scsi_tran->tran_unquiesce = NULL; 597 scsi_tran->tran_bus_reset = NULL; 598 599 if (scsi_hba_attach_setup(dip, sata_tran->sata_tran_hba_dma_attr, 600 scsi_tran, 0) != DDI_SUCCESS) { 601 #ifdef SATA_DEBUG 602 cmn_err(CE_WARN, "?SATA: %s%d hba scsi attach failed", 603 ddi_driver_name(dip), ddi_get_instance(dip)); 604 #endif 605 goto fail; 606 } 607 hba_attach_state |= HBA_ATTACH_STAGE_SCSI_ATTACHED; 608 609 if (!ddi_prop_exists(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "sata")) { 610 if (ddi_prop_update_int(DDI_DEV_T_NONE, dip, 611 "sata", 1) != DDI_PROP_SUCCESS) { 612 SATA_LOG_D((NULL, CE_WARN, "sata_hba_attach: " 613 "failed to create hba sata prop")); 614 goto fail; 615 } 616 } 617 618 /* 619 * Save pointers in hba instance soft state. 620 */ 621 sata_hba_inst->satahba_scsi_tran = scsi_tran; 622 sata_hba_inst->satahba_tran = sata_tran; 623 sata_hba_inst->satahba_dip = dip; 624 625 /* 626 * Create a task queue to handle emulated commands completion 627 * Use node name, dash, instance number as the queue name. 628 */ 629 taskq_name[0] = '\0'; 630 (void) strlcat(taskq_name, DEVI(dip)->devi_node_name, 631 sizeof (taskq_name)); 632 (void) snprintf(taskq_name + strlen(taskq_name), 633 sizeof (taskq_name) - strlen(taskq_name), 634 "-%d", DEVI(dip)->devi_instance); 635 sata_hba_inst->satahba_taskq = taskq_create(taskq_name, 1, 636 minclsyspri, 1, sata_tran->sata_tran_hba_num_cports, 637 TASKQ_DYNAMIC); 638 639 hba_attach_state |= HBA_ATTACH_STAGE_SETUP; 640 641 /* 642 * Create events thread if not created yet. 643 */ 644 sata_event_thread_control(1); 645 646 /* 647 * Link this hba instance into the list. 648 */ 649 mutex_enter(&sata_mutex); 650 651 652 sata_hba_inst->satahba_next = NULL; 653 sata_hba_inst->satahba_prev = sata_hba_list_tail; 654 if (sata_hba_list == NULL) { 655 sata_hba_list = sata_hba_inst; 656 } 657 if (sata_hba_list_tail != NULL) { 658 sata_hba_list_tail->satahba_next = sata_hba_inst; 659 } 660 sata_hba_list_tail = sata_hba_inst; 661 mutex_exit(&sata_mutex); 662 hba_attach_state |= HBA_ATTACH_STAGE_LINKED; 663 664 /* 665 * Create SATA HBA devctl minor node for sata_hba_open, close, ioctl 666 * SATA HBA driver should not use its own open/close entry points. 667 * 668 * Make sure that instance number doesn't overflow 669 * when forming minor numbers. 670 */ 671 ASSERT(ddi_get_instance(dip) <= (L_MAXMIN >> INST_MINOR_SHIFT)); 672 if (ddi_create_minor_node(dip, "devctl", S_IFCHR, 673 INST2DEVCTL(ddi_get_instance(dip)), 674 DDI_NT_SATA_NEXUS, 0) != DDI_SUCCESS) { 675 #ifdef SATA_DEBUG 676 cmn_err(CE_WARN, "sata_hba_attach: " 677 "cannot create devctl minor node"); 678 #endif 679 goto fail; 680 } 681 682 683 /* 684 * Set-up kstats here, if necessary. 685 * (postponed until phase 2 of the development). 686 */ 687 688 689 /* 690 * Probe controller ports. This operation will describe a current 691 * controller/port/multipliers/device configuration and will create 692 * attachment points. 693 * We may end-up with just a controller with no devices attached. 694 * For the ports with a supported device attached, device target nodes 695 * are created and devices are initialized. 696 */ 697 sata_probe_ports(sata_hba_inst); 698 699 sata_hba_inst->satahba_attached = 1; 700 return (DDI_SUCCESS); 701 702 fail: 703 if (hba_attach_state & HBA_ATTACH_STAGE_LINKED) { 704 (void) sata_remove_hba_instance(dip); 705 if (sata_hba_list == NULL) 706 sata_event_thread_control(0); 707 } 708 709 if (hba_attach_state & HBA_ATTACH_STAGE_SETUP) { 710 (void) ddi_prop_remove(DDI_DEV_T_ANY, dip, "sata"); 711 taskq_destroy(sata_hba_inst->satahba_taskq); 712 } 713 714 if (hba_attach_state & HBA_ATTACH_STAGE_SCSI_ATTACHED) 715 (void) scsi_hba_detach(dip); 716 717 if (hba_attach_state & HBA_ATTACH_STAGE_SATA_HBA_INST) { 718 mutex_destroy(&sata_hba_inst->satahba_mutex); 719 kmem_free((void *)sata_hba_inst, 720 sizeof (struct sata_hba_inst)); 721 scsi_hba_tran_free(scsi_tran); 722 } 723 724 sata_log(NULL, CE_WARN, "?SATA: %s%d hba attach failed", 725 ddi_driver_name(dip), ddi_get_instance(dip)); 726 727 return (DDI_FAILURE); 728 } 729 730 731 /* 732 * Called by SATA HBA from to detach an instance of the driver. 733 * 734 * For DDI_DETACH command: 735 * Free local structures allocated for SATA HBA instance during 736 * sata_hba_attach processing. 737 * 738 * Returns DDI_SUCCESS when HBA was detached, DDI_FAILURE otherwise. 739 * 740 * For DDI_SUSPEND command: 741 * Not implemented at this time (postponed until phase 2 of the development) 742 * Returnd DDI_SUCCESS. 743 * 744 * When the last HBA instance is detached, the event daemon is terminated. 745 * 746 * NOTE: cport support only, no port multiplier support. 747 */ 748 int 749 sata_hba_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 750 { 751 dev_info_t *tdip; 752 sata_hba_inst_t *sata_hba_inst; 753 scsi_hba_tran_t *scsi_hba_tran; 754 sata_cport_info_t *cportinfo; 755 sata_drive_info_t *sdinfo; 756 int ncport; 757 758 SATADBG3(SATA_DBG_HBA_IF, NULL, "sata_hba_detach: node %s (%s%d)\n", 759 ddi_node_name(dip), ddi_driver_name(dip), ddi_get_instance(dip)); 760 761 switch (cmd) { 762 case DDI_DETACH: 763 764 if ((scsi_hba_tran = ddi_get_driver_private(dip)) == NULL) 765 return (DDI_FAILURE); 766 767 sata_hba_inst = scsi_hba_tran->tran_hba_private; 768 if (sata_hba_inst == NULL) 769 return (DDI_FAILURE); 770 771 if (scsi_hba_detach(dip) == DDI_FAILURE) { 772 sata_hba_inst->satahba_attached = 1; 773 return (DDI_FAILURE); 774 } 775 776 /* 777 * Free all target nodes - at this point 778 * devices should be at least offlined 779 * otherwise scsi_hba_detach() should not be called. 780 */ 781 for (ncport = 0; ncport < SATA_NUM_CPORTS(sata_hba_inst); 782 ncport++) { 783 cportinfo = SATA_CPORT_INFO(sata_hba_inst, ncport); 784 if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { 785 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 786 if (sdinfo != NULL) { 787 tdip = sata_get_target_dip(dip, 788 ncport); 789 if (tdip != NULL) { 790 if (ndi_devi_offline(tdip, 791 NDI_DEVI_REMOVE) != 792 NDI_SUCCESS) { 793 SATA_LOG_D(( 794 sata_hba_inst, 795 CE_WARN, 796 "sata_hba_detach: " 797 "Target node not " 798 "removed !")); 799 return (DDI_FAILURE); 800 } 801 } 802 } 803 } 804 } 805 /* 806 * Disable sata event daemon processing for this HBA 807 */ 808 sata_hba_inst->satahba_attached = 0; 809 810 /* 811 * Remove event daemon thread, if it is last HBA instance. 812 */ 813 814 mutex_enter(&sata_mutex); 815 if (sata_hba_list->satahba_next == NULL) { 816 mutex_exit(&sata_mutex); 817 sata_event_thread_control(0); 818 mutex_enter(&sata_mutex); 819 } 820 mutex_exit(&sata_mutex); 821 822 /* Remove this HBA instance from the HBA list */ 823 sata_remove_hba_instance(dip); 824 825 /* 826 * At this point there should be no target nodes attached. 827 * Detach and destroy device and port info structures. 828 */ 829 for (ncport = 0; ncport < SATA_NUM_CPORTS(sata_hba_inst); 830 ncport++) { 831 cportinfo = SATA_CPORT_INFO(sata_hba_inst, ncport); 832 if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { 833 sdinfo = 834 cportinfo->cport_devp.cport_sata_drive; 835 if (sdinfo != NULL) { 836 /* Release device structure */ 837 kmem_free(sdinfo, 838 sizeof (sata_drive_info_t)); 839 } 840 /* Release cport info */ 841 mutex_destroy(&cportinfo->cport_mutex); 842 kmem_free(cportinfo, 843 sizeof (sata_cport_info_t)); 844 } 845 } 846 847 scsi_hba_tran_free(sata_hba_inst->satahba_scsi_tran); 848 849 (void) ddi_prop_remove(DDI_DEV_T_ANY, dip, "sata"); 850 851 taskq_destroy(sata_hba_inst->satahba_taskq); 852 853 mutex_destroy(&sata_hba_inst->satahba_mutex); 854 kmem_free((void *)sata_hba_inst, 855 sizeof (struct sata_hba_inst)); 856 857 return (DDI_SUCCESS); 858 859 case DDI_SUSPEND: 860 /* 861 * Postponed until phase 2 862 */ 863 return (DDI_FAILURE); 864 865 default: 866 return (DDI_FAILURE); 867 } 868 } 869 870 871 /* 872 * Called by an HBA drive from _fini() routine. 873 * Unregisters SATA HBA instance/SATA framework pair from the scsi framework. 874 */ 875 void 876 sata_hba_fini(struct modlinkage *modlp) 877 { 878 SATADBG1(SATA_DBG_HBA_IF, NULL, 879 "sata_hba_fini: name %s\n", 880 ((struct modldrv *)(modlp->ml_linkage[0]))->drv_linkinfo); 881 882 scsi_hba_fini(modlp); 883 } 884 885 886 /* 887 * Default open and close routine for sata_hba framework. 888 * 889 */ 890 /* 891 * Open devctl node. 892 * 893 * Returns: 894 * 0 if node was open successfully, error code otherwise. 895 * 896 * 897 */ 898 899 static int 900 sata_hba_open(dev_t *devp, int flags, int otyp, cred_t *credp) 901 { 902 #ifndef __lock_lint 903 _NOTE(ARGUNUSED(credp)) 904 #endif 905 int rv = 0; 906 dev_info_t *dip; 907 scsi_hba_tran_t *scsi_hba_tran; 908 sata_hba_inst_t *sata_hba_inst; 909 910 SATADBG1(SATA_DBG_IOCTL_IF, NULL, "sata_hba_open: entered", NULL); 911 912 if (otyp != OTYP_CHR) 913 return (EINVAL); 914 915 dip = sata_devt_to_devinfo(*devp); 916 if (dip == NULL) 917 return (ENXIO); 918 919 if ((scsi_hba_tran = ddi_get_driver_private(dip)) == NULL) 920 return (ENXIO); 921 922 sata_hba_inst = scsi_hba_tran->tran_hba_private; 923 if (sata_hba_inst == NULL || sata_hba_inst->satahba_attached == 0) 924 return (ENXIO); 925 926 mutex_enter(&sata_mutex); 927 if (flags & FEXCL) { 928 if (sata_hba_inst->satahba_open_flag != 0) { 929 rv = EBUSY; 930 } else { 931 sata_hba_inst->satahba_open_flag = 932 SATA_DEVCTL_EXOPENED; 933 } 934 } else { 935 if (sata_hba_inst->satahba_open_flag == SATA_DEVCTL_EXOPENED) { 936 rv = EBUSY; 937 } else { 938 sata_hba_inst->satahba_open_flag = 939 SATA_DEVCTL_SOPENED; 940 } 941 } 942 mutex_exit(&sata_mutex); 943 944 return (rv); 945 } 946 947 948 /* 949 * Close devctl node. 950 * Returns: 951 * 0 if node was closed successfully, error code otherwise. 952 * 953 */ 954 955 static int 956 sata_hba_close(dev_t dev, int flag, int otyp, cred_t *credp) 957 { 958 #ifndef __lock_lint 959 _NOTE(ARGUNUSED(credp)) 960 _NOTE(ARGUNUSED(flag)) 961 #endif 962 dev_info_t *dip; 963 scsi_hba_tran_t *scsi_hba_tran; 964 sata_hba_inst_t *sata_hba_inst; 965 966 SATADBG1(SATA_DBG_IOCTL_IF, NULL, "sata_hba_close: entered", NULL); 967 968 if (otyp != OTYP_CHR) 969 return (EINVAL); 970 971 dip = sata_devt_to_devinfo(dev); 972 if (dip == NULL) 973 return (ENXIO); 974 975 if ((scsi_hba_tran = ddi_get_driver_private(dip)) == NULL) 976 return (ENXIO); 977 978 sata_hba_inst = scsi_hba_tran->tran_hba_private; 979 if (sata_hba_inst == NULL || sata_hba_inst->satahba_attached == 0) 980 return (ENXIO); 981 982 mutex_enter(&sata_mutex); 983 sata_hba_inst->satahba_open_flag = 0; 984 mutex_exit(&sata_mutex); 985 return (0); 986 } 987 988 989 990 /* 991 * Standard IOCTL commands for SATA hotplugging. 992 * Implemented DEVCTL_AP commands: 993 * DEVCTL_AP_CONNECT 994 * DEVCTL_AP_DISCONNECT 995 * DEVCTL_AP_CONFIGURE 996 * DEVCTL_UNCONFIGURE 997 * DEVCTL_AP_CONTROL 998 * 999 * Commands passed to default ndi ioctl handler: 1000 * DEVCTL_DEVICE_GETSTATE 1001 * DEVCTL_DEVICE_ONLINE 1002 * DEVCTL_DEVICE_OFFLINE 1003 * DEVCTL_DEVICE_REMOVE 1004 * DEVCTL_DEVICE_INSERT 1005 * DEVCTL_BUS_GETSTATE 1006 * 1007 * All other cmds are passed to HBA if it provide ioctl handler, or failed 1008 * if not. 1009 * 1010 * Returns: 1011 * 0 if successful, 1012 * error code if operation failed. 1013 * 1014 * NOTE: Port Multiplier is not supported. 1015 * 1016 */ 1017 1018 static int 1019 sata_hba_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, 1020 int *rvalp) 1021 { 1022 #ifndef __lock_lint 1023 _NOTE(ARGUNUSED(credp)) 1024 _NOTE(ARGUNUSED(rvalp)) 1025 #endif 1026 int rv = 0; 1027 int32_t comp_port = -1; 1028 dev_info_t *dip, *tdip; 1029 devctl_ap_state_t ap_state; 1030 struct devctl_iocdata *dcp = NULL; 1031 scsi_hba_tran_t *scsi_hba_tran; 1032 sata_hba_inst_t *sata_hba_inst; 1033 sata_device_t sata_device; 1034 sata_drive_info_t *sdinfo; 1035 sata_cport_info_t *cportinfo; 1036 int cport, pmport, qual; 1037 int rval = SATA_SUCCESS; 1038 1039 dip = sata_devt_to_devinfo(dev); 1040 if (dip == NULL) 1041 return (ENXIO); 1042 1043 if ((scsi_hba_tran = ddi_get_driver_private(dip)) == NULL) 1044 return (ENXIO); 1045 1046 sata_hba_inst = scsi_hba_tran->tran_hba_private; 1047 if (sata_hba_inst == NULL) 1048 return (ENXIO); 1049 1050 if (sata_hba_inst->satahba_tran == NULL) 1051 return (ENXIO); 1052 1053 switch (cmd) { 1054 1055 case DEVCTL_DEVICE_GETSTATE: 1056 case DEVCTL_DEVICE_ONLINE: 1057 case DEVCTL_DEVICE_OFFLINE: 1058 case DEVCTL_DEVICE_REMOVE: 1059 case DEVCTL_BUS_GETSTATE: 1060 /* 1061 * There may be more cases that we want to pass to default 1062 * handler rather then fail them. 1063 */ 1064 return (ndi_devctl_ioctl(dip, cmd, arg, mode, 0)); 1065 } 1066 1067 /* read devctl ioctl data */ 1068 if (cmd != DEVCTL_AP_CONTROL) { 1069 if (ndi_dc_allochdl((void *)arg, &dcp) != NDI_SUCCESS) 1070 return (EFAULT); 1071 1072 if ((comp_port = sata_get_port_num(sata_hba_inst, dcp)) == 1073 -1) { 1074 if (dcp) 1075 ndi_dc_freehdl(dcp); 1076 return (EINVAL); 1077 } 1078 1079 cport = SCSI_TO_SATA_CPORT(comp_port); 1080 pmport = SCSI_TO_SATA_PMPORT(comp_port); 1081 /* Only cport is considered now, i.e. SATA_ADDR_CPORT */ 1082 qual = SATA_ADDR_CPORT; 1083 if (sata_validate_sata_address(sata_hba_inst, cport, pmport, 1084 qual) != 0) { 1085 ndi_dc_freehdl(dcp); 1086 return (EINVAL); 1087 } 1088 1089 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 1090 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1091 cport_mutex); 1092 if (cportinfo->cport_event_flags & SATA_EVNT_LOCK_PORT_BUSY) { 1093 /* 1094 * Cannot process ioctl request now. Come back later. 1095 */ 1096 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1097 cport_mutex); 1098 ndi_dc_freehdl(dcp); 1099 return (EBUSY); 1100 } 1101 /* Block event processing for this port */ 1102 cportinfo->cport_event_flags |= SATA_APCTL_LOCK_PORT_BUSY; 1103 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 1104 1105 sata_device.satadev_addr.cport = cport; 1106 sata_device.satadev_addr.pmport = pmport; 1107 sata_device.satadev_addr.qual = SATA_ADDR_CPORT; 1108 sata_device.satadev_rev = SATA_DEVICE_REV; 1109 } 1110 1111 switch (cmd) { 1112 1113 case DEVCTL_AP_DISCONNECT: 1114 /* 1115 * Normally, cfgadm sata plugin will try to offline 1116 * (unconfigure) device before this request. Nevertheless, 1117 * if a device is still configured, we need to 1118 * attempt to offline and unconfigure device first, and we will 1119 * deactivate the port regardless of the unconfigure 1120 * operation results. 1121 * 1122 * DEVCTL_AP_DISCONNECT invokes 1123 * sata_hba_inst->satahba_tran-> 1124 * sata_tran_hotplug_ops->sata_tran_port_deactivate(). 1125 * If successful, the device structure (if any) attached 1126 * to a port is removed and state of the port marked 1127 * appropriately. 1128 * Failure of the port_deactivate may keep port in 1129 * the active state, or may fail the port. 1130 */ 1131 1132 /* Check the current state of the port */ 1133 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 1134 (dip, &sata_device); 1135 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1136 cport_mutex); 1137 sata_update_port_info(sata_hba_inst, &sata_device); 1138 if (rval != SATA_SUCCESS || 1139 (sata_device.satadev_state & SATA_PSTATE_FAILED)) { 1140 cportinfo->cport_state = SATA_PSTATE_FAILED; 1141 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1142 cport_mutex); 1143 rv = EIO; 1144 break; 1145 } 1146 /* Sanity check */ 1147 if (SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst) == NULL) { 1148 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1149 cport_mutex); 1150 /* No physical port deactivation supported. */ 1151 break; 1152 } 1153 1154 /* 1155 * set port's dev_state to not ready - this will disable 1156 * an access to an attached device. 1157 */ 1158 cportinfo->cport_state &= ~SATA_STATE_READY; 1159 1160 if (cportinfo->cport_dev_type != SATA_DTYPE_NONE) { 1161 sdinfo = cportinfo->cport_devp.cport_sata_drive; 1162 ASSERT(sdinfo != NULL); 1163 if ((sdinfo->satadrv_type & 1164 (SATA_VALID_DEV_TYPE))) { 1165 /* 1166 * If a target node exists, try to offline 1167 * a device and remove target node. 1168 */ 1169 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 1170 cport)->cport_mutex); 1171 tdip = sata_get_target_dip(dip, comp_port); 1172 if (tdip != NULL) { 1173 /* target node exist */ 1174 if (ndi_devi_offline(tdip, 1175 NDI_DEVI_REMOVE) != NDI_SUCCESS) { 1176 /* 1177 * Problem 1178 * A target node remained 1179 * attached. This happens when 1180 * the file was open or a node 1181 * was waiting for resources. 1182 * Cannot do anything about it. 1183 */ 1184 SATA_LOG_D((sata_hba_inst, 1185 CE_WARN, 1186 "sata_hba_ioctl: " 1187 "disconnect: cannot " 1188 "remove target node!!!")); 1189 } 1190 } 1191 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 1192 cport)->cport_mutex); 1193 /* 1194 * Remove and release sata_drive_info 1195 * structure. 1196 */ 1197 if (SATA_CPORTINFO_DRV_INFO(cportinfo) != 1198 NULL) { 1199 SATA_CPORTINFO_DRV_INFO(cportinfo) = 1200 NULL; 1201 (void) kmem_free((void *)sdinfo, 1202 sizeof (sata_drive_info_t)); 1203 cportinfo->cport_dev_type = 1204 SATA_DTYPE_NONE; 1205 } 1206 } 1207 /* 1208 * Note: PMult info requires different handling. 1209 * Put PMult handling code here, when PMult is 1210 * supported. 1211 */ 1212 1213 } 1214 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 1215 /* Just ask HBA driver to deactivate port */ 1216 sata_device.satadev_addr.qual = SATA_ADDR_DCPORT; 1217 1218 rval = (*SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst)) 1219 (dip, &sata_device); 1220 1221 /* 1222 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 1223 * without the hint. 1224 */ 1225 sata_gen_sysevent(sata_hba_inst, 1226 &sata_device.satadev_addr, SE_NO_HINT); 1227 1228 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1229 cport_mutex); 1230 sata_update_port_info(sata_hba_inst, &sata_device); 1231 1232 if (rval != SATA_SUCCESS) { 1233 /* 1234 * Port deactivation failure - do not 1235 * change port state unless the state 1236 * returned by HBA indicates a port failure. 1237 */ 1238 if (sata_device.satadev_state & SATA_PSTATE_FAILED) 1239 cportinfo->cport_state = SATA_PSTATE_FAILED; 1240 rv = EIO; 1241 } else { 1242 /* 1243 * Deactivation succeded. From now on the framework 1244 * will not know what is happening to the device, until 1245 * the port is activated again. 1246 */ 1247 cportinfo->cport_state |= SATA_PSTATE_SHUTDOWN; 1248 } 1249 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 1250 break; 1251 1252 case DEVCTL_AP_UNCONFIGURE: 1253 1254 /* 1255 * The unconfigure operation uses generic nexus operation to 1256 * offline a device. It leaves a target device node attached. 1257 * and obviously sata_drive_info attached as well, because 1258 * from the hardware point of view nothing has changed. 1259 */ 1260 if ((tdip = sata_get_target_dip(dip, comp_port)) != NULL) { 1261 1262 if (ndi_devi_offline(tdip, NDI_UNCONFIG) != 1263 NDI_SUCCESS) { 1264 SATA_LOG_D((sata_hba_inst, CE_WARN, 1265 "sata_hba_ioctl: unconfigure: " 1266 "failed to unconfigure " 1267 "device at cport %d", cport)); 1268 rv = EIO; 1269 } 1270 /* 1271 * The target node devi_state should be marked with 1272 * DEVI_DEVICE_OFFLINE by ndi_devi_offline(). 1273 * This would be the indication for cfgadm that 1274 * the AP node occupant state is 'unconfigured'. 1275 */ 1276 1277 } else { 1278 /* 1279 * This would indicate a failure on the part of cfgadm 1280 * to detect correct state of the node prior to this 1281 * call - one cannot unconfigure non-existing device. 1282 */ 1283 SATA_LOG_D((sata_hba_inst, CE_WARN, 1284 "sata_hba_ioctl: unconfigure: " 1285 "attempt to unconfigure non-existing device " 1286 "at cport %d", cport)); 1287 rv = ENXIO; 1288 } 1289 1290 break; 1291 1292 case DEVCTL_AP_CONNECT: 1293 { 1294 /* 1295 * The sata cfgadm pluging will invoke this operation only if 1296 * port was found in the disconnect state (failed state 1297 * is also treated as the disconnected state). 1298 * DEVCTL_AP_CONNECT would invoke 1299 * sata_hba_inst->satahba_tran-> 1300 * sata_tran_hotplug_ops->sata_tran_port_activate(). 1301 * If successful and a device is found attached to the port, 1302 * the initialization sequence is executed to attach 1303 * a device structure to a port structure. The device is not 1304 * set in configured state (system-wise) by this operation. 1305 * The state of the port and a device would be set 1306 * appropriately. 1307 * 1308 * Note, that activating the port may generate link events, 1309 * so is is important that following processing and the 1310 * event processing does not interfere with each other! 1311 * 1312 * This operation may remove port failed state and will 1313 * try to make port active and in good standing. 1314 */ 1315 1316 /* We only care about host sata cport for now */ 1317 1318 if (SATA_PORT_ACTIVATE_FUNC(sata_hba_inst) != NULL) { 1319 /* Just let HBA driver to activate port */ 1320 1321 if ((*SATA_PORT_ACTIVATE_FUNC(sata_hba_inst)) 1322 (dip, &sata_device) != SATA_SUCCESS) { 1323 /* 1324 * Port activation failure. 1325 */ 1326 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 1327 cport)->cport_mutex); 1328 sata_update_port_info(sata_hba_inst, 1329 &sata_device); 1330 if (sata_device.satadev_state & 1331 SATA_PSTATE_FAILED) { 1332 cportinfo->cport_state = 1333 SATA_PSTATE_FAILED; 1334 } 1335 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 1336 cport)->cport_mutex); 1337 SATA_LOG_D((sata_hba_inst, CE_WARN, 1338 "sata_hba_ioctl: connect: " 1339 "failed to activate SATA cport %d", 1340 cport)); 1341 rv = EIO; 1342 break; 1343 } 1344 } 1345 /* Virgin port state - will be updated by the port re-probe. */ 1346 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 1347 cport)->cport_mutex); 1348 cportinfo->cport_state = 0; 1349 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 1350 cport)->cport_mutex); 1351 1352 /* 1353 * Probe the port to find its state and attached device. 1354 */ 1355 if (sata_reprobe_port(sata_hba_inst, &sata_device, 1356 SATA_DEV_IDENTIFY_RETRY) == SATA_FAILURE) 1357 rv = EIO; 1358 /* 1359 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 1360 * without the hint 1361 */ 1362 sata_gen_sysevent(sata_hba_inst, 1363 &sata_device.satadev_addr, SE_NO_HINT); 1364 /* 1365 * If there is a device attached to the port, emit 1366 * a message. 1367 */ 1368 if (cportinfo->cport_dev_type != SATA_DTYPE_NONE) { 1369 sata_log(sata_hba_inst, CE_WARN, 1370 "SATA device detected at port %d", cport); 1371 } 1372 break; 1373 } 1374 1375 case DEVCTL_AP_CONFIGURE: 1376 { 1377 boolean_t target = TRUE; 1378 1379 /* 1380 * A port may be in an active or shutdown state. 1381 * If port is in a failed state, operation is aborted - one 1382 * has to use explicit connect or port activate request 1383 * to try to get a port into non-failed mode. 1384 * 1385 * If a port is in a shutdown state, arbitrarily invoke 1386 * sata_tran_port_activate() prior to any other operation. 1387 * 1388 * Verify that port state is READY and there is a device 1389 * of a supported type attached to this port. 1390 * If target node exists, a device was most likely offlined. 1391 * If target node does not exist, create a target node an 1392 * attempt to online it. 1393 * * 1394 * NO PMult or devices beyond PMult are supported yet. 1395 */ 1396 1397 /* We only care about host controller's sata cport for now. */ 1398 if (cportinfo->cport_state & SATA_PSTATE_FAILED) { 1399 rv = ENXIO; 1400 break; 1401 } 1402 /* Check the current state of the port */ 1403 sata_device.satadev_addr.qual = SATA_ADDR_CPORT; 1404 1405 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 1406 (dip, &sata_device); 1407 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1408 cport_mutex); 1409 sata_update_port_info(sata_hba_inst, &sata_device); 1410 if (rval != SATA_SUCCESS || 1411 (sata_device.satadev_state & SATA_PSTATE_FAILED)) { 1412 cportinfo->cport_state = SATA_PSTATE_FAILED; 1413 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1414 cport_mutex); 1415 rv = EIO; 1416 break; 1417 } 1418 if (cportinfo->cport_state & SATA_PSTATE_SHUTDOWN) { 1419 target = FALSE; 1420 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1421 cport_mutex); 1422 1423 if (SATA_PORT_ACTIVATE_FUNC(sata_hba_inst) != NULL) { 1424 /* Just let HBA driver to activate port */ 1425 if ((*SATA_PORT_ACTIVATE_FUNC(sata_hba_inst)) 1426 (dip, &sata_device) != SATA_SUCCESS) { 1427 /* 1428 * Port activation failure - do not 1429 * change port state unless the state 1430 * returned by HBA indicates a port 1431 * failure. 1432 */ 1433 mutex_enter(&SATA_CPORT_INFO( 1434 sata_hba_inst, cport)->cport_mutex); 1435 sata_update_port_info(sata_hba_inst, 1436 &sata_device); 1437 if (sata_device.satadev_state & 1438 SATA_PSTATE_FAILED) { 1439 cportinfo->cport_state = 1440 SATA_PSTATE_FAILED; 1441 } 1442 mutex_exit(&SATA_CPORT_INFO( 1443 sata_hba_inst, cport)->cport_mutex); 1444 SATA_LOG_D((sata_hba_inst, CE_WARN, 1445 "sata_hba_ioctl: configure: " 1446 "failed to activate SATA cport %d", 1447 cport)); 1448 rv = EIO; 1449 break; 1450 } 1451 } 1452 /* 1453 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 1454 * without the hint. 1455 */ 1456 sata_gen_sysevent(sata_hba_inst, 1457 &sata_device.satadev_addr, SE_NO_HINT); 1458 1459 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1460 cport_mutex); 1461 /* Virgin port state */ 1462 cportinfo->cport_state = 0; 1463 } 1464 /* 1465 * Always reprobe port, to get current device info. 1466 */ 1467 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 1468 if (sata_reprobe_port(sata_hba_inst, &sata_device, 1469 SATA_DEV_IDENTIFY_RETRY) != SATA_SUCCESS) { 1470 rv = EIO; 1471 break; 1472 } 1473 if (target == FALSE && 1474 cportinfo->cport_dev_type != SATA_DTYPE_NONE) { 1475 /* 1476 * That's the transition from "inactive" port 1477 * to active one with device attached. 1478 */ 1479 sata_log(sata_hba_inst, CE_WARN, 1480 "SATA device detected at port %d", 1481 cport); 1482 } 1483 1484 /* 1485 * This is where real configure starts. 1486 * Change following check for PMult support. 1487 */ 1488 if (!(sata_device.satadev_type & SATA_VALID_DEV_TYPE)) { 1489 /* No device to configure */ 1490 rv = ENXIO; /* No device to configure */ 1491 break; 1492 } 1493 1494 /* 1495 * Here we may have a device in reset condition, 1496 * but because we are just configuring it, there is 1497 * no need to process the reset other than just 1498 * to clear device reset condition in the HBA driver. 1499 * Setting the flag SATA_EVNT_CLEAR_DEVICE_RESET will 1500 * cause a first command sent the HBA driver with the request 1501 * to clear device reset condition. 1502 */ 1503 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1504 cport_mutex); 1505 sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); 1506 if (sdinfo == NULL) { 1507 rv = ENXIO; 1508 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1509 cport_mutex); 1510 break; 1511 } 1512 if (sdinfo->satadrv_event_flags & 1513 (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) 1514 sdinfo->satadrv_event_flags = 0; 1515 sdinfo->satadrv_event_flags |= SATA_EVNT_CLEAR_DEVICE_RESET; 1516 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 1517 1518 if ((tdip = sata_get_target_dip(dip, comp_port)) != NULL) { 1519 /* target node still exists */ 1520 if (ndi_devi_online(tdip, 0) != NDI_SUCCESS) { 1521 SATA_LOG_D((sata_hba_inst, CE_WARN, 1522 "sata_hba_ioctl: configure: " 1523 "onlining device at cport %d failed", 1524 cport)); 1525 rv = EIO; 1526 break; 1527 } 1528 } else { 1529 /* 1530 * No target node - need to create a new target node. 1531 */ 1532 tdip = sata_create_target_node(dip, sata_hba_inst, 1533 &sata_device.satadev_addr); 1534 if (tdip == NULL) { 1535 /* configure failed */ 1536 SATA_LOG_D((sata_hba_inst, CE_WARN, 1537 "sata_hba_ioctl: configure: " 1538 "configuring device at cport %d " 1539 "failed", cport)); 1540 rv = EIO; 1541 break; 1542 } 1543 } 1544 1545 break; 1546 } 1547 1548 case DEVCTL_AP_GETSTATE: 1549 1550 sata_cfgadm_state(sata_hba_inst, comp_port, &ap_state); 1551 1552 ap_state.ap_last_change = (time_t)-1; 1553 ap_state.ap_error_code = 0; 1554 ap_state.ap_in_transition = 0; 1555 1556 /* Copy the return AP-state information to the user space */ 1557 if (ndi_dc_return_ap_state(&ap_state, dcp) != NDI_SUCCESS) { 1558 rv = EFAULT; 1559 } 1560 break; 1561 1562 case DEVCTL_AP_CONTROL: 1563 { 1564 /* 1565 * Generic devctl for hardware specific functionality 1566 */ 1567 sata_ioctl_data_t ioc; 1568 1569 ASSERT(dcp == NULL); 1570 1571 /* Copy in user ioctl data first */ 1572 #ifdef _MULTI_DATAMODEL 1573 if (ddi_model_convert_from(mode & FMODELS) == 1574 DDI_MODEL_ILP32) { 1575 1576 sata_ioctl_data_32_t ioc32; 1577 1578 if (ddi_copyin((void *)arg, (void *)&ioc32, 1579 sizeof (ioc32), mode) != 0) { 1580 rv = EFAULT; 1581 break; 1582 } 1583 ioc.cmd = (uint_t)ioc32.cmd; 1584 ioc.port = (uint_t)ioc32.port; 1585 ioc.get_size = (uint_t)ioc32.get_size; 1586 ioc.buf = (caddr_t)(uintptr_t)ioc32.buf; 1587 ioc.bufsiz = (uint_t)ioc32.bufsiz; 1588 ioc.misc_arg = (uint_t)ioc32.misc_arg; 1589 } else 1590 #endif /* _MULTI_DATAMODEL */ 1591 if (ddi_copyin((void *)arg, (void *)&ioc, sizeof (ioc), 1592 mode) != 0) { 1593 return (EFAULT); 1594 } 1595 1596 SATADBG2(SATA_DBG_IOCTL_IF, sata_hba_inst, 1597 "sata_hba_ioctl: DEVCTL_AP_CONTROL " 1598 "cmd 0x%x, port 0x%x", ioc.cmd, ioc.port); 1599 1600 /* 1601 * To avoid BE/LE and 32/64 issues, a get_size always returns 1602 * a 32-bit number. 1603 */ 1604 if (ioc.get_size != 0 && ioc.bufsiz != (sizeof (uint32_t))) { 1605 return (EINVAL); 1606 } 1607 /* validate address */ 1608 cport = SCSI_TO_SATA_CPORT(ioc.port); 1609 pmport = SCSI_TO_SATA_PMPORT(ioc.port); 1610 qual = SCSI_TO_SATA_ADDR_QUAL(ioc.port); 1611 1612 /* Override address qualifier - handle cport only for now */ 1613 qual = SATA_ADDR_CPORT; 1614 1615 if (sata_validate_sata_address(sata_hba_inst, cport, 1616 pmport, qual) != 0) 1617 return (EINVAL); 1618 1619 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 1620 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1621 cport_mutex); 1622 /* Is the port locked by event processing daemon ? */ 1623 if (cportinfo->cport_event_flags & SATA_EVNT_LOCK_PORT_BUSY) { 1624 /* 1625 * Cannot process ioctl request now. Come back later 1626 */ 1627 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1628 cport_mutex); 1629 return (EBUSY); 1630 } 1631 /* Block event processing for this port */ 1632 cportinfo->cport_event_flags |= SATA_APCTL_LOCK_PORT_BUSY; 1633 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 1634 1635 1636 sata_device.satadev_addr.cport = cport; 1637 sata_device.satadev_addr.pmport = pmport; 1638 sata_device.satadev_rev = SATA_DEVICE_REV; 1639 1640 switch (ioc.cmd) { 1641 1642 case SATA_CFGA_RESET_PORT: 1643 /* 1644 * There is no protection here for configured 1645 * device. 1646 */ 1647 1648 /* Sanity check */ 1649 if (SATA_RESET_DPORT_FUNC(sata_hba_inst) == NULL) { 1650 SATA_LOG_D((sata_hba_inst, CE_WARN, 1651 "sata_hba_ioctl: " 1652 "sata_hba_tran missing required " 1653 "function sata_tran_reset_dport")); 1654 rv = EINVAL; 1655 break; 1656 } 1657 1658 /* handle cport only for now */ 1659 sata_device.satadev_addr.qual = SATA_ADDR_CPORT; 1660 if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst)) 1661 (dip, &sata_device) != SATA_SUCCESS) { 1662 SATA_LOG_D((sata_hba_inst, CE_WARN, 1663 "sata_hba_ioctl: reset port: " 1664 "failed cport %d pmport %d", 1665 cport, pmport)); 1666 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 1667 cport)->cport_mutex); 1668 sata_update_port_info(sata_hba_inst, 1669 &sata_device); 1670 SATA_CPORT_STATE(sata_hba_inst, cport) = 1671 SATA_PSTATE_FAILED; 1672 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 1673 cport)->cport_mutex); 1674 rv = EIO; 1675 } 1676 /* 1677 * Since the port was reset, it should be probed and 1678 * attached device reinitialized. At this point the 1679 * port state is unknown - it's state is HBA-specific. 1680 * Re-probe port to get its state. 1681 */ 1682 if (sata_reprobe_port(sata_hba_inst, &sata_device, 1683 SATA_DEV_IDENTIFY_RETRY) != SATA_SUCCESS) { 1684 rv = EIO; 1685 break; 1686 } 1687 break; 1688 1689 case SATA_CFGA_RESET_DEVICE: 1690 /* 1691 * There is no protection here for configured 1692 * device. 1693 */ 1694 1695 /* Sanity check */ 1696 if (SATA_RESET_DPORT_FUNC(sata_hba_inst) == NULL) { 1697 SATA_LOG_D((sata_hba_inst, CE_WARN, 1698 "sata_hba_ioctl: " 1699 "sata_hba_tran missing required " 1700 "function sata_tran_reset_dport")); 1701 rv = EINVAL; 1702 break; 1703 } 1704 1705 /* handle only device attached to cports, for now */ 1706 sata_device.satadev_addr.qual = SATA_ADDR_DCPORT; 1707 1708 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1709 cport_mutex); 1710 sdinfo = sata_get_device_info(sata_hba_inst, 1711 &sata_device); 1712 if (sdinfo == NULL) { 1713 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 1714 cport)->cport_mutex); 1715 rv = EINVAL; 1716 break; 1717 } 1718 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1719 cport_mutex); 1720 1721 /* only handle cport for now */ 1722 sata_device.satadev_addr.qual = SATA_ADDR_DCPORT; 1723 if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst)) 1724 (dip, &sata_device) != SATA_SUCCESS) { 1725 SATA_LOG_D((sata_hba_inst, CE_WARN, 1726 "sata_hba_ioctl: reset device: failed " 1727 "cport %d pmport %d", cport, pmport)); 1728 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 1729 cport)->cport_mutex); 1730 sata_update_port_info(sata_hba_inst, 1731 &sata_device); 1732 /* 1733 * Device info structure remains 1734 * attached. Another device reset or 1735 * port disconnect/connect and re-probing is 1736 * needed to change it's state 1737 */ 1738 sdinfo->satadrv_state &= ~SATA_STATE_READY; 1739 sdinfo->satadrv_state |= 1740 SATA_DSTATE_FAILED; 1741 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 1742 cport)->cport_mutex); 1743 rv = EIO; 1744 } 1745 /* 1746 * Since the device was reset, we expect reset event 1747 * to be reported and processed. 1748 */ 1749 break; 1750 1751 case SATA_CFGA_RESET_ALL: 1752 { 1753 int tcport; 1754 1755 /* 1756 * There is no protection here for configured 1757 * devices. 1758 */ 1759 /* Sanity check */ 1760 if (SATA_RESET_DPORT_FUNC(sata_hba_inst) == NULL) { 1761 SATA_LOG_D((sata_hba_inst, CE_WARN, 1762 "sata_hba_ioctl: " 1763 "sata_hba_tran missing required " 1764 "function sata_tran_reset_dport")); 1765 rv = EINVAL; 1766 break; 1767 } 1768 1769 /* 1770 * Need to lock all ports, not just one. 1771 * If any port is locked by event processing, fail 1772 * the whole operation. 1773 * One port is already locked, but for simplicity 1774 * lock it again. 1775 */ 1776 for (tcport = 0; 1777 tcport < SATA_NUM_CPORTS(sata_hba_inst); 1778 tcport++) { 1779 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 1780 tcport)->cport_mutex); 1781 if (((SATA_CPORT_INFO(sata_hba_inst, tcport)-> 1782 cport_event_flags) & 1783 SATA_EVNT_LOCK_PORT_BUSY) != 0) { 1784 rv = EBUSY; 1785 mutex_exit( 1786 &SATA_CPORT_INFO(sata_hba_inst, 1787 tcport)->cport_mutex); 1788 break; 1789 } else { 1790 SATA_CPORT_INFO(sata_hba_inst, 1791 tcport)->cport_event_flags |= 1792 SATA_APCTL_LOCK_PORT_BUSY; 1793 } 1794 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 1795 tcport)->cport_mutex); 1796 } 1797 1798 if (rv == 0) { 1799 /* 1800 * All cports successfully locked. 1801 * Reset main SATA controller only for now - 1802 * no PMult. 1803 */ 1804 sata_device.satadev_addr.qual = 1805 SATA_ADDR_CNTRL; 1806 1807 if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst)) 1808 (dip, &sata_device) != SATA_SUCCESS) { 1809 SATA_LOG_D((sata_hba_inst, CE_WARN, 1810 "sata_hba_ioctl: reset controller " 1811 "failed")); 1812 rv = EIO; 1813 } 1814 1815 /* 1816 * Since ports were reset, they should be 1817 * re-probed and attached devices 1818 * reinitialized. 1819 * At this point port states are unknown, 1820 * Re-probe ports to get their state - 1821 * cports only for now. 1822 */ 1823 for (tcport = 0; 1824 tcport < SATA_NUM_CPORTS(sata_hba_inst); 1825 tcport++) { 1826 sata_device.satadev_addr.cport = 1827 tcport; 1828 sata_device.satadev_addr.qual = 1829 SATA_ADDR_CPORT; 1830 1831 if (sata_reprobe_port(sata_hba_inst, 1832 &sata_device, 1833 SATA_DEV_IDENTIFY_RETRY) != 1834 SATA_SUCCESS) 1835 rv = EIO; 1836 1837 } 1838 } 1839 /* 1840 * Unlock all ports 1841 */ 1842 for (tcport = 0; 1843 tcport < SATA_NUM_CPORTS(sata_hba_inst); 1844 tcport++) { 1845 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 1846 tcport)->cport_mutex); 1847 SATA_CPORT_INFO(sata_hba_inst, tcport)-> 1848 cport_event_flags &= 1849 ~SATA_APCTL_LOCK_PORT_BUSY; 1850 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 1851 tcport)->cport_mutex); 1852 } 1853 1854 /* 1855 * This operation returns EFAULT if either reset 1856 * controller failed or a re-probbing of any ports 1857 * failed. 1858 * We return here, because common return is for 1859 * a single cport operation. 1860 */ 1861 return (rv); 1862 } 1863 1864 case SATA_CFGA_PORT_DEACTIVATE: 1865 /* Sanity check */ 1866 if (SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst) == NULL) { 1867 rv = ENOTSUP; 1868 break; 1869 } 1870 /* 1871 * Arbitrarily unconfigure attached device, if any. 1872 * Even if the unconfigure fails, proceed with the 1873 * port deactivation. 1874 */ 1875 1876 /* Handle only device attached to cports, for now */ 1877 sata_device.satadev_addr.qual = SATA_ADDR_DCPORT; 1878 1879 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1880 cport_mutex); 1881 cportinfo->cport_state &= ~SATA_STATE_READY; 1882 if (cportinfo->cport_dev_type != SATA_DTYPE_NONE) { 1883 /* 1884 * Handle only device attached to cports, 1885 * for now 1886 */ 1887 sata_device.satadev_addr.qual = 1888 SATA_ADDR_DCPORT; 1889 sdinfo = sata_get_device_info(sata_hba_inst, 1890 &sata_device); 1891 if (sdinfo != NULL && 1892 (sdinfo->satadrv_type & 1893 SATA_VALID_DEV_TYPE)) { 1894 /* 1895 * If a target node exists, try to 1896 * offline a device and remove target 1897 * node. 1898 */ 1899 mutex_exit(&SATA_CPORT_INFO( 1900 sata_hba_inst, cport)->cport_mutex); 1901 tdip = sata_get_target_dip(dip, cport); 1902 if (tdip != NULL) { 1903 /* target node exist */ 1904 SATADBG1(SATA_DBG_IOCTL_IF, 1905 sata_hba_inst, 1906 "sata_hba_ioctl: " 1907 "port deactivate: " 1908 "target node exists.", 1909 NULL); 1910 1911 if (ndi_devi_offline(tdip, 1912 NDI_UNCONFIG) != 1913 NDI_SUCCESS) { 1914 SATA_LOG_D(( 1915 sata_hba_inst, 1916 CE_WARN, 1917 "sata_hba_ioctl:" 1918 "port deactivate: " 1919 "failed to " 1920 "unconfigure " 1921 "device at cport " 1922 "%d", cport)); 1923 } 1924 if (ndi_devi_offline(tdip, 1925 NDI_DEVI_REMOVE) != 1926 NDI_SUCCESS) { 1927 /* 1928 * Problem; 1929 * target node remained 1930 * attached. 1931 * Too bad... 1932 */ 1933 SATA_LOG_D(( 1934 sata_hba_inst, 1935 CE_WARN, 1936 "sata_hba_ioctl: " 1937 "port deactivate: " 1938 "failed to " 1939 "unconfigure " 1940 "device at " 1941 "cport %d", 1942 cport)); 1943 } 1944 } 1945 mutex_enter(&SATA_CPORT_INFO( 1946 sata_hba_inst, cport)->cport_mutex); 1947 /* 1948 * In any case, 1949 * remove and release sata_drive_info 1950 * structure. 1951 * (cport attached device ony, for now) 1952 */ 1953 SATA_CPORTINFO_DRV_INFO(cportinfo) = 1954 NULL; 1955 (void) kmem_free((void *)sdinfo, 1956 sizeof (sata_drive_info_t)); 1957 cportinfo->cport_dev_type = 1958 SATA_DTYPE_NONE; 1959 } 1960 /* 1961 * Note: PMult info requires different 1962 * handling. This comment is a placeholder for 1963 * a code handling PMult, to be implemented 1964 * in phase 2. 1965 */ 1966 } 1967 cportinfo->cport_state &= ~(SATA_STATE_PROBED | 1968 SATA_STATE_PROBING); 1969 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1970 cport_mutex); 1971 /* handle cport only for now */ 1972 sata_device.satadev_addr.qual = SATA_ADDR_CPORT; 1973 /* Just let HBA driver to deactivate port */ 1974 rval = (*SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst)) 1975 (dip, &sata_device); 1976 /* 1977 * Generate sysevent - 1978 * EC_DR / ESC_DR_AP_STATE_CHANGE 1979 * without the hint 1980 */ 1981 sata_gen_sysevent(sata_hba_inst, 1982 &sata_device.satadev_addr, SE_NO_HINT); 1983 1984 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 1985 cport_mutex); 1986 sata_update_port_info(sata_hba_inst, &sata_device); 1987 if (rval != SATA_SUCCESS) { 1988 /* 1989 * Port deactivation failure - do not 1990 * change port state unless the state 1991 * returned by HBA indicates a port failure. 1992 */ 1993 if (sata_device.satadev_state & 1994 SATA_PSTATE_FAILED) { 1995 SATA_CPORT_STATE(sata_hba_inst, 1996 cport) = SATA_PSTATE_FAILED; 1997 } 1998 SATA_LOG_D((sata_hba_inst, CE_WARN, 1999 "sata_hba_ioctl: port deactivate: " 2000 "cannot deactivate SATA cport %d", 2001 cport)); 2002 rv = EIO; 2003 } else { 2004 cportinfo->cport_state |= SATA_PSTATE_SHUTDOWN; 2005 } 2006 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 2007 cport_mutex); 2008 2009 break; 2010 2011 case SATA_CFGA_PORT_ACTIVATE: 2012 { 2013 boolean_t dev_existed = TRUE; 2014 2015 /* Sanity check */ 2016 if (SATA_PORT_ACTIVATE_FUNC(sata_hba_inst) == NULL) { 2017 rv = ENOTSUP; 2018 break; 2019 } 2020 /* handle cport only for now */ 2021 if (cportinfo->cport_state & SATA_PSTATE_SHUTDOWN || 2022 cportinfo->cport_dev_type == SATA_DTYPE_NONE) 2023 dev_existed = FALSE; 2024 2025 sata_device.satadev_addr.qual = SATA_ADDR_CPORT; 2026 /* Just let HBA driver to activate port */ 2027 if ((*SATA_PORT_ACTIVATE_FUNC(sata_hba_inst)) 2028 (dip, &sata_device) != SATA_SUCCESS) { 2029 /* 2030 * Port activation failure - do not 2031 * change port state unless the state 2032 * returned by HBA indicates a port failure. 2033 */ 2034 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 2035 cport)->cport_mutex); 2036 sata_update_port_info(sata_hba_inst, 2037 &sata_device); 2038 if (sata_device.satadev_state & 2039 SATA_PSTATE_FAILED) { 2040 SATA_CPORT_STATE(sata_hba_inst, 2041 cport) = SATA_PSTATE_FAILED; 2042 } 2043 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 2044 cport)->cport_mutex); 2045 SATA_LOG_D((sata_hba_inst, CE_WARN, 2046 "sata_hba_ioctl: port activate: " 2047 "cannot activate SATA cport %d", 2048 cport)); 2049 rv = EIO; 2050 break; 2051 } 2052 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 2053 cport_mutex); 2054 cportinfo->cport_state &= ~SATA_PSTATE_SHUTDOWN; 2055 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 2056 cport_mutex); 2057 2058 /* 2059 * Re-probe port to find its current state and 2060 * possibly attached device. 2061 * Port re-probing may change the cportinfo device 2062 * type if device is found attached. 2063 * If port probing failed, the device type would be 2064 * set to SATA_DTYPE_NONE. 2065 */ 2066 (void) sata_reprobe_port(sata_hba_inst, &sata_device, 2067 SATA_DEV_IDENTIFY_RETRY); 2068 2069 /* 2070 * Generate sysevent - 2071 * EC_DR / ESC_DR_AP_STATE_CHANGE 2072 * without the hint. 2073 */ 2074 sata_gen_sysevent(sata_hba_inst, 2075 &sata_device.satadev_addr, SE_NO_HINT); 2076 2077 if (dev_existed == FALSE && 2078 cportinfo->cport_dev_type != SATA_DTYPE_NONE) { 2079 /* 2080 * That's the transition from "inactive" port 2081 * state or active port without a device 2082 * attached to the active port state with 2083 * a device attached. 2084 */ 2085 sata_log(sata_hba_inst, CE_WARN, 2086 "SATA device detected at port %d", cport); 2087 } 2088 2089 break; 2090 } 2091 2092 case SATA_CFGA_PORT_SELF_TEST: 2093 2094 /* Sanity check */ 2095 if (SATA_SELFTEST_FUNC(sata_hba_inst) == NULL) { 2096 rv = ENOTSUP; 2097 break; 2098 } 2099 /* 2100 * There is no protection here for a configured 2101 * device attached to this port. 2102 */ 2103 2104 /* only handle cport for now */ 2105 sata_device.satadev_addr.qual = SATA_ADDR_CPORT; 2106 2107 if ((*SATA_SELFTEST_FUNC(sata_hba_inst)) 2108 (dip, &sata_device) != SATA_SUCCESS) { 2109 SATA_LOG_D((sata_hba_inst, CE_WARN, 2110 "sata_hba_ioctl: port selftest: " 2111 "failed cport %d pmport %d", 2112 cport, pmport)); 2113 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 2114 cport)->cport_mutex); 2115 sata_update_port_info(sata_hba_inst, 2116 &sata_device); 2117 SATA_CPORT_STATE(sata_hba_inst, cport) = 2118 SATA_PSTATE_FAILED; 2119 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 2120 cport)->cport_mutex); 2121 rv = EIO; 2122 break; 2123 } 2124 /* 2125 * Since the port was reset, it should be probed and 2126 * attached device reinitialized. At this point the 2127 * port state is unknown - it's state is HBA-specific. 2128 * Force port re-probing to get it into a known state. 2129 */ 2130 if (sata_reprobe_port(sata_hba_inst, &sata_device, 2131 SATA_DEV_IDENTIFY_RETRY) != SATA_SUCCESS) { 2132 rv = EIO; 2133 break; 2134 } 2135 break; 2136 2137 case SATA_CFGA_GET_DEVICE_PATH: 2138 { 2139 char path[MAXPATHLEN]; 2140 uint32_t size; 2141 2142 (void) strcpy(path, "/devices"); 2143 if ((tdip = sata_get_target_dip(dip, ioc.port)) == 2144 NULL) { 2145 2146 /* 2147 * No such device. 2148 * If this is a request for a size, do not 2149 * return EINVAL for non-exisiting target, 2150 * because cfgadm will indicate a meaningless 2151 * ioctl failure. 2152 * If this is a real request for a path, 2153 * indicate invalid argument. 2154 */ 2155 if (!ioc.get_size) { 2156 rv = EINVAL; 2157 break; 2158 } 2159 } else { 2160 (void) ddi_pathname(tdip, path + strlen(path)); 2161 } 2162 size = strlen(path) + 1; 2163 2164 if (ioc.get_size) { 2165 if (ddi_copyout((void *)&size, 2166 ioc.buf, ioc.bufsiz, mode) != 0) { 2167 rv = EFAULT; 2168 } 2169 } else { 2170 if (ioc.bufsiz != size) { 2171 rv = EINVAL; 2172 } else if (ddi_copyout((void *)&path, 2173 ioc.buf, ioc.bufsiz, mode) != 0) { 2174 rv = EFAULT; 2175 } 2176 } 2177 break; 2178 } 2179 2180 case SATA_CFGA_GET_AP_TYPE: 2181 { 2182 uint32_t type_len; 2183 const char *ap_type; 2184 2185 /* cport only, no port multiplier support */ 2186 switch (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport)) { 2187 case SATA_DTYPE_NONE: 2188 ap_type = "port"; 2189 break; 2190 2191 case SATA_DTYPE_ATADISK: 2192 ap_type = "disk"; 2193 break; 2194 2195 case SATA_DTYPE_ATAPICD: 2196 ap_type = "cd/dvd"; 2197 break; 2198 2199 case SATA_DTYPE_PMULT: 2200 ap_type = "pmult"; 2201 break; 2202 2203 case SATA_DTYPE_UNKNOWN: 2204 ap_type = "unknown"; 2205 break; 2206 2207 default: 2208 ap_type = "unsupported"; 2209 break; 2210 2211 } /* end of dev_type switch */ 2212 2213 type_len = strlen(ap_type) + 1; 2214 2215 if (ioc.get_size) { 2216 if (ddi_copyout((void *)&type_len, 2217 ioc.buf, ioc.bufsiz, mode) != 0) { 2218 rv = EFAULT; 2219 break; 2220 } 2221 } else { 2222 if (ioc.bufsiz != type_len) { 2223 rv = EINVAL; 2224 break; 2225 } 2226 if (ddi_copyout((void *)ap_type, ioc.buf, 2227 ioc.bufsiz, mode) != 0) { 2228 rv = EFAULT; 2229 break; 2230 } 2231 } 2232 2233 break; 2234 } 2235 2236 case SATA_CFGA_GET_MODEL_INFO: 2237 { 2238 uint32_t info_len; 2239 char ap_info[sizeof (sdinfo->satadrv_id.ai_model) + 1]; 2240 2241 /* 2242 * This operation should return to cfgadm the 2243 * device model information string 2244 */ 2245 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 2246 cport_mutex); 2247 /* only handle device connected to cport for now */ 2248 sata_device.satadev_addr.qual = SATA_ADDR_DCPORT; 2249 sdinfo = sata_get_device_info(sata_hba_inst, 2250 &sata_device); 2251 if (sdinfo == NULL) { 2252 rv = EINVAL; 2253 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 2254 cport)->cport_mutex); 2255 break; 2256 } 2257 bcopy(sdinfo->satadrv_id.ai_model, ap_info, 2258 sizeof (sdinfo->satadrv_id.ai_model)); 2259 swab(ap_info, ap_info, 2260 sizeof (sdinfo->satadrv_id.ai_model)); 2261 ap_info[sizeof (sdinfo->satadrv_id.ai_model)] = '\0'; 2262 2263 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 2264 cport_mutex); 2265 2266 info_len = strlen(ap_info) + 1; 2267 2268 if (ioc.get_size) { 2269 if (ddi_copyout((void *)&info_len, 2270 ioc.buf, ioc.bufsiz, mode) != 0) { 2271 rv = EFAULT; 2272 break; 2273 } 2274 } else { 2275 if (ioc.bufsiz < info_len) { 2276 rv = EINVAL; 2277 break; 2278 } 2279 if (ddi_copyout((void *)ap_info, ioc.buf, 2280 ioc.bufsiz, mode) != 0) { 2281 rv = EFAULT; 2282 break; 2283 } 2284 } 2285 2286 break; 2287 } 2288 2289 case SATA_CFGA_GET_REVFIRMWARE_INFO: 2290 { 2291 uint32_t info_len; 2292 char ap_info[ 2293 sizeof (sdinfo->satadrv_id.ai_fw) + 1]; 2294 2295 /* 2296 * This operation should return to cfgadm the 2297 * device firmware revision information string 2298 */ 2299 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 2300 cport_mutex); 2301 /* only handle device connected to cport for now */ 2302 sata_device.satadev_addr.qual = SATA_ADDR_DCPORT; 2303 2304 sdinfo = sata_get_device_info(sata_hba_inst, 2305 &sata_device); 2306 if (sdinfo == NULL) { 2307 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 2308 cport)->cport_mutex); 2309 rv = EINVAL; 2310 break; 2311 } 2312 bcopy(sdinfo->satadrv_id.ai_fw, ap_info, 2313 sizeof (sdinfo->satadrv_id.ai_fw)); 2314 swab(ap_info, ap_info, 2315 sizeof (sdinfo->satadrv_id.ai_fw)); 2316 ap_info[sizeof (sdinfo->satadrv_id.ai_fw)] = '\0'; 2317 2318 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 2319 cport_mutex); 2320 2321 info_len = strlen(ap_info) + 1; 2322 2323 if (ioc.get_size) { 2324 if (ddi_copyout((void *)&info_len, 2325 ioc.buf, ioc.bufsiz, mode) != 0) { 2326 rv = EFAULT; 2327 break; 2328 } 2329 } else { 2330 if (ioc.bufsiz < info_len) { 2331 rv = EINVAL; 2332 break; 2333 } 2334 if (ddi_copyout((void *)ap_info, ioc.buf, 2335 ioc.bufsiz, mode) != 0) { 2336 rv = EFAULT; 2337 break; 2338 } 2339 } 2340 2341 break; 2342 } 2343 2344 case SATA_CFGA_GET_SERIALNUMBER_INFO: 2345 { 2346 uint32_t info_len; 2347 char ap_info[ 2348 sizeof (sdinfo->satadrv_id.ai_drvser) + 1]; 2349 2350 /* 2351 * This operation should return to cfgadm the 2352 * device serial number information string 2353 */ 2354 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 2355 cport_mutex); 2356 /* only handle device connected to cport for now */ 2357 sata_device.satadev_addr.qual = SATA_ADDR_DCPORT; 2358 2359 sdinfo = sata_get_device_info(sata_hba_inst, 2360 &sata_device); 2361 if (sdinfo == NULL) { 2362 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 2363 cport)->cport_mutex); 2364 rv = EINVAL; 2365 break; 2366 } 2367 bcopy(sdinfo->satadrv_id.ai_drvser, ap_info, 2368 sizeof (sdinfo->satadrv_id.ai_drvser)); 2369 swab(ap_info, ap_info, 2370 sizeof (sdinfo->satadrv_id.ai_drvser)); 2371 ap_info[sizeof (sdinfo->satadrv_id.ai_drvser)] = '\0'; 2372 2373 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> 2374 cport_mutex); 2375 2376 info_len = strlen(ap_info) + 1; 2377 2378 if (ioc.get_size) { 2379 if (ddi_copyout((void *)&info_len, 2380 ioc.buf, ioc.bufsiz, mode) != 0) { 2381 rv = EFAULT; 2382 break; 2383 } 2384 } else { 2385 if (ioc.bufsiz < info_len) { 2386 rv = EINVAL; 2387 break; 2388 } 2389 if (ddi_copyout((void *)ap_info, ioc.buf, 2390 ioc.bufsiz, mode) != 0) { 2391 rv = EFAULT; 2392 break; 2393 } 2394 } 2395 2396 break; 2397 } 2398 2399 default: 2400 rv = EINVAL; 2401 break; 2402 2403 } /* End of DEVCTL_AP_CONTROL cmd switch */ 2404 2405 break; 2406 } 2407 2408 default: 2409 { 2410 /* 2411 * If we got here, we got an IOCTL that SATA HBA Framework 2412 * does not recognize. Pass ioctl to HBA driver, in case 2413 * it could process it. 2414 */ 2415 sata_hba_tran_t *sata_tran = sata_hba_inst->satahba_tran; 2416 dev_info_t *mydip = SATA_DIP(sata_hba_inst); 2417 2418 SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, 2419 "IOCTL 0x%2x not supported in SATA framework, " 2420 "passthrough to HBA", cmd); 2421 2422 if (sata_tran->sata_tran_ioctl == NULL) { 2423 rv = EINVAL; 2424 break; 2425 } 2426 rval = (*sata_tran->sata_tran_ioctl)(mydip, cmd, arg); 2427 if (rval != 0) { 2428 SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, 2429 "IOCTL 0x%2x failed in HBA", cmd); 2430 rv = rval; 2431 } 2432 break; 2433 } 2434 2435 } /* End of main IOCTL switch */ 2436 2437 if (dcp) { 2438 ndi_dc_freehdl(dcp); 2439 } 2440 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 2441 cportinfo->cport_event_flags &= ~SATA_APCTL_LOCK_PORT_BUSY; 2442 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); 2443 2444 return (rv); 2445 } 2446 2447 2448 2449 2450 /* ****************** SCSA required entry points *********************** */ 2451 2452 /* 2453 * Implementation of scsi tran_tgt_init. 2454 * sata_scsi_tgt_init() initializes scsi_device structure 2455 * 2456 * If successful, DDI_SUCCESS is returned. 2457 * DDI_FAILURE is returned if addressed device does not exist 2458 */ 2459 2460 static int 2461 sata_scsi_tgt_init(dev_info_t *hba_dip, dev_info_t *tgt_dip, 2462 scsi_hba_tran_t *hba_tran, struct scsi_device *sd) 2463 { 2464 #ifndef __lock_lint 2465 _NOTE(ARGUNUSED(hba_dip)) 2466 #endif 2467 sata_device_t sata_device; 2468 sata_drive_info_t *sdinfo; 2469 sata_hba_inst_t *sata_hba_inst; 2470 2471 sata_hba_inst = (sata_hba_inst_t *)(hba_tran->tran_hba_private); 2472 2473 /* Validate scsi device address */ 2474 if (sata_validate_scsi_address(sata_hba_inst, &sd->sd_address, 2475 &sata_device) != 0) 2476 return (DDI_FAILURE); 2477 2478 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 2479 sata_device.satadev_addr.cport))); 2480 2481 /* sata_device now contains a valid sata address */ 2482 sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); 2483 if (sdinfo == NULL) { 2484 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2485 sata_device.satadev_addr.cport))); 2486 return (DDI_FAILURE); 2487 } 2488 if (sata_device.satadev_type == SATA_DTYPE_ATAPICD) { 2489 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2490 sata_device.satadev_addr.cport))); 2491 if (ndi_prop_update_string(DDI_DEV_T_NONE, tgt_dip, 2492 "variant", "atapi") != DDI_PROP_SUCCESS) { 2493 SATA_LOG_D((sata_hba_inst, CE_WARN, 2494 "sata_scsi_tgt_init: variant atapi " 2495 "property could not be created")); 2496 return (DDI_FAILURE); 2497 } 2498 return (DDI_SUCCESS); 2499 } 2500 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2501 sata_device.satadev_addr.cport))); 2502 return (DDI_SUCCESS); 2503 } 2504 2505 /* 2506 * Implementation of scsi tran_tgt_probe. 2507 * Probe target, by calling default scsi routine scsi_hba_probe() 2508 */ 2509 static int 2510 sata_scsi_tgt_probe(struct scsi_device *sd, int (*callback)(void)) 2511 { 2512 sata_hba_inst_t *sata_hba_inst = 2513 (sata_hba_inst_t *)(sd->sd_address.a_hba_tran->tran_hba_private); 2514 int rval; 2515 2516 rval = scsi_hba_probe(sd, callback); 2517 2518 if (rval == SCSIPROBE_EXISTS) { 2519 /* 2520 * Set property "pm-capable" on the target device node, so that 2521 * the target driver will not try to fetch scsi cycle counters 2522 * before enabling device power-management. 2523 */ 2524 if ((ddi_prop_update_int(DDI_DEV_T_NONE, sd->sd_dev, 2525 "pm-capable", 1)) != DDI_PROP_SUCCESS) { 2526 sata_log(sata_hba_inst, CE_WARN, 2527 "device at port %d: will not be power-managed ", 2528 SCSI_TO_SATA_CPORT(sd->sd_address.a_target)); 2529 SATA_LOG_D((sata_hba_inst, CE_WARN, 2530 "failure updating pm-capable property")); 2531 } 2532 } 2533 return (rval); 2534 } 2535 2536 /* 2537 * Implementation of scsi tran_tgt_free. 2538 * Release all resources allocated for scsi_device 2539 */ 2540 static void 2541 sata_scsi_tgt_free(dev_info_t *hba_dip, dev_info_t *tgt_dip, 2542 scsi_hba_tran_t *hba_tran, struct scsi_device *sd) 2543 { 2544 #ifndef __lock_lint 2545 _NOTE(ARGUNUSED(hba_dip)) 2546 #endif 2547 sata_device_t sata_device; 2548 sata_drive_info_t *sdinfo; 2549 sata_hba_inst_t *sata_hba_inst; 2550 2551 sata_hba_inst = (sata_hba_inst_t *)(hba_tran->tran_hba_private); 2552 2553 /* Validate scsi device address */ 2554 if (sata_validate_scsi_address(sata_hba_inst, &sd->sd_address, 2555 &sata_device) != 0) 2556 return; 2557 2558 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 2559 sata_device.satadev_addr.cport))); 2560 2561 /* sata_device now should contain a valid sata address */ 2562 sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); 2563 if (sdinfo == NULL) { 2564 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2565 sata_device.satadev_addr.cport))); 2566 return; 2567 } 2568 /* 2569 * We did not allocate any resources in sata_scsi_tgt_init() 2570 * other than property for ATAPI device, if any 2571 */ 2572 if (sata_device.satadev_type == SATA_DTYPE_ATAPICD) { 2573 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2574 sata_device.satadev_addr.cport))); 2575 if (ndi_prop_remove(DDI_DEV_T_NONE, tgt_dip, "variant") != 2576 DDI_PROP_SUCCESS) 2577 SATA_LOG_D((sata_hba_inst, CE_WARN, 2578 "sata_scsi_tgt_free: variant atapi " 2579 "property could not be removed")); 2580 } else { 2581 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2582 sata_device.satadev_addr.cport))); 2583 } 2584 } 2585 2586 /* 2587 * Implementation of scsi tran_init_pkt 2588 * Upon successful return, scsi pkt buffer has DMA resources allocated. 2589 * 2590 * It seems that we should always allocate pkt, even if the address is 2591 * for non-existing device - just use some default for dma_attr. 2592 * The reason is that there is no way to communicate this to a caller here. 2593 * Subsequent call to sata_scsi_start may fail appropriately. 2594 * Simply returning NULL does not seem to discourage a target driver... 2595 * 2596 * Returns a pointer to initialized scsi_pkt, or NULL otherwise. 2597 */ 2598 static struct scsi_pkt * 2599 sata_scsi_init_pkt(struct scsi_address *ap, struct scsi_pkt *pkt, 2600 struct buf *bp, int cmdlen, int statuslen, int tgtlen, int flags, 2601 int (*callback)(caddr_t), caddr_t arg) 2602 { 2603 sata_hba_inst_t *sata_hba_inst = 2604 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 2605 dev_info_t *dip = SATA_DIP(sata_hba_inst); 2606 sata_device_t sata_device; 2607 sata_drive_info_t *sdinfo; 2608 sata_pkt_txlate_t *spx; 2609 ddi_dma_attr_t cur_dma_attr; 2610 int rval; 2611 boolean_t new_pkt = TRUE; 2612 2613 ASSERT(ap->a_hba_tran->tran_hba_dip == dip); 2614 2615 /* 2616 * We need to translate the address, even if it could be 2617 * a bogus one, for a non-existing device 2618 */ 2619 sata_device.satadev_addr.qual = SCSI_TO_SATA_ADDR_QUAL(ap->a_target); 2620 sata_device.satadev_addr.cport = SCSI_TO_SATA_CPORT(ap->a_target); 2621 sata_device.satadev_addr.pmport = SCSI_TO_SATA_PMPORT(ap->a_target); 2622 sata_device.satadev_rev = SATA_DEVICE_REV; 2623 2624 if (pkt == NULL) { 2625 /* 2626 * Have to allocate a brand new scsi packet. 2627 * We need to operate with auto request sense enabled. 2628 */ 2629 pkt = scsi_hba_pkt_alloc(dip, ap, cmdlen, 2630 MAX(statuslen, sizeof (struct scsi_arq_status)), 2631 tgtlen, sizeof (sata_pkt_txlate_t), callback, arg); 2632 2633 if (pkt == NULL) 2634 return (NULL); 2635 2636 /* Fill scsi packet structure */ 2637 pkt->pkt_comp = (void (*)())NULL; 2638 pkt->pkt_time = 0; 2639 pkt->pkt_resid = 0; 2640 pkt->pkt_statistics = 0; 2641 pkt->pkt_reason = 0; 2642 2643 /* 2644 * pkt_hba_private will point to sata pkt txlate structure 2645 */ 2646 spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 2647 bzero(spx, sizeof (sata_pkt_txlate_t)); 2648 2649 spx->txlt_scsi_pkt = pkt; 2650 spx->txlt_sata_hba_inst = sata_hba_inst; 2651 2652 /* Allocate sata_pkt */ 2653 spx->txlt_sata_pkt = sata_pkt_alloc(spx, callback); 2654 if (spx->txlt_sata_pkt == NULL) { 2655 /* Could not allocate sata pkt */ 2656 scsi_hba_pkt_free(ap, pkt); 2657 return (NULL); 2658 } 2659 /* Set sata address */ 2660 spx->txlt_sata_pkt->satapkt_device.satadev_addr = 2661 sata_device.satadev_addr; 2662 spx->txlt_sata_pkt->satapkt_device.satadev_rev = 2663 sata_device.satadev_rev; 2664 2665 if ((bp == NULL) || (bp->b_bcount == 0)) 2666 return (pkt); 2667 2668 spx->txlt_total_residue = bp->b_bcount; 2669 } else { 2670 new_pkt = FALSE; 2671 /* 2672 * Packet was preallocated/initialized by previous call 2673 */ 2674 spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 2675 2676 if ((bp == NULL) || (bp->b_bcount == 0)) { 2677 return (pkt); 2678 } 2679 ASSERT(spx->txlt_buf_dma_handle != NULL); 2680 2681 /* Pkt is available already: spx->txlt_scsi_pkt == pkt; */ 2682 } 2683 2684 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = bp; 2685 2686 /* 2687 * We use an adjusted version of the dma_attr, to account 2688 * for device addressing limitations. 2689 * sata_adjust_dma_attr() will handle sdinfo == NULL which may 2690 * happen when a device is not yet configured. 2691 */ 2692 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 2693 sata_device.satadev_addr.cport))); 2694 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 2695 &spx->txlt_sata_pkt->satapkt_device); 2696 /* NULL sdinfo may be passsed to sata_adjust_dma_attr() */ 2697 sata_adjust_dma_attr(sdinfo, 2698 SATA_DMA_ATTR(spx->txlt_sata_hba_inst), &cur_dma_attr); 2699 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2700 sata_device.satadev_addr.cport))); 2701 /* 2702 * Allocate necessary DMA resources for the packet's buffer 2703 */ 2704 if ((rval = sata_dma_buf_setup(spx, flags, callback, arg, 2705 &cur_dma_attr)) != DDI_SUCCESS) { 2706 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; 2707 sata_pkt_free(spx); 2708 /* 2709 * If a DMA allocation request fails with 2710 * DDI_DMA_NOMAPPING, indicate the error by calling 2711 * bioerror(9F) with bp and an error code of EFAULT. 2712 * If a DMA allocation request fails with 2713 * DDI_DMA_TOOBIG, indicate the error by calling 2714 * bioerror(9F) with bp and an error code of EINVAL. 2715 */ 2716 switch (rval) { 2717 case DDI_DMA_NORESOURCES: 2718 bioerror(bp, 0); 2719 break; 2720 case DDI_DMA_NOMAPPING: 2721 case DDI_DMA_BADATTR: 2722 bioerror(bp, EFAULT); 2723 break; 2724 case DDI_DMA_TOOBIG: 2725 default: 2726 bioerror(bp, EINVAL); 2727 break; 2728 } 2729 if (new_pkt == TRUE) 2730 scsi_hba_pkt_free(ap, pkt); 2731 return (NULL); 2732 } 2733 /* Set number of bytes that are not yet accounted for */ 2734 pkt->pkt_resid = spx->txlt_total_residue; 2735 ASSERT(pkt->pkt_resid >= 0); 2736 2737 return (pkt); 2738 } 2739 2740 /* 2741 * Implementation of scsi tran_start. 2742 * Translate scsi cmd into sata operation and return status. 2743 * Supported scsi commands: 2744 * SCMD_INQUIRY 2745 * SCMD_TEST_UNIT_READY 2746 * SCMD_START_STOP 2747 * SCMD_READ_CAPACITY 2748 * SCMD_REQUEST_SENSE 2749 * SCMD_LOG_SENSE_G1 2750 * SCMD_LOG_SELECT_G1 2751 * SCMD_MODE_SENSE (specific pages) 2752 * SCMD_MODE_SENSE_G1 (specific pages) 2753 * SCMD_MODE_SELECT (specific pages) 2754 * SCMD_MODE_SELECT_G1 (specific pages) 2755 * SCMD_SYNCHRONIZE_CACHE 2756 * SCMD_SYNCHRONIZE_CACHE_G1 2757 * SCMD_READ 2758 * SCMD_READ_G1 2759 * SCMD_READ_G4 2760 * SCMD_READ_G5 2761 * SCMD_WRITE 2762 * SCMD_WRITE_G1 2763 * SCMD_WRITE_G4 2764 * SCMD_WRITE_G5 2765 * SCMD_SEEK (noop) 2766 * SCMD_SDIAG 2767 * 2768 * All other commands are rejected as unsupported. 2769 * 2770 * Returns: 2771 * TRAN_ACCEPT if command was executed successfully or accepted by HBA driver 2772 * for execution. 2773 * TRAN_BADPKT if cmd was directed to invalid address. 2774 * TRAN_FATAL_ERROR is command was rejected due to hardware error, including 2775 * unexpected removal of a device or some other unspecified error. 2776 * TRAN_BUSY if command could not be executed becasue HBA driver or SATA 2777 * framework was busy performing some other operation(s). 2778 * 2779 */ 2780 static int 2781 sata_scsi_start(struct scsi_address *ap, struct scsi_pkt *pkt) 2782 { 2783 sata_hba_inst_t *sata_hba_inst = 2784 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 2785 sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 2786 sata_drive_info_t *sdinfo; 2787 struct buf *bp; 2788 int cport; 2789 int rval; 2790 2791 SATADBG1(SATA_DBG_SCSI_IF, sata_hba_inst, 2792 "sata_scsi_start: cmd 0x%02x\n", pkt->pkt_cdbp[0]); 2793 2794 ASSERT(spx != NULL && 2795 spx->txlt_scsi_pkt == pkt && spx->txlt_sata_pkt != NULL); 2796 2797 /* 2798 * Mutex-protected section below is just to identify device type 2799 * and switch to ATAPI processing, if necessary 2800 */ 2801 cport = SCSI_TO_SATA_CPORT(ap->a_target); 2802 2803 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 2804 2805 sdinfo = sata_get_device_info(sata_hba_inst, 2806 &spx->txlt_sata_pkt->satapkt_device); 2807 if (sdinfo == NULL) { 2808 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 2809 spx->txlt_scsi_pkt->pkt_reason = CMD_DEV_GONE; 2810 return (TRAN_FATAL_ERROR); 2811 } 2812 2813 if (sdinfo->satadrv_type == SATA_DTYPE_ATAPICD) { 2814 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 2815 rval = sata_txlt_atapi(spx); 2816 SATADBG1(SATA_DBG_SCSI_IF, sata_hba_inst, 2817 "sata_scsi_start atapi: rval %d\n", rval); 2818 return (rval); 2819 } 2820 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 2821 2822 /* ATA Disk commands processing starts here */ 2823 2824 bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 2825 2826 switch (pkt->pkt_cdbp[0]) { 2827 2828 case SCMD_INQUIRY: 2829 /* Mapped to identify device */ 2830 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2831 bp_mapin(bp); 2832 rval = sata_txlt_inquiry(spx); 2833 break; 2834 2835 case SCMD_TEST_UNIT_READY: 2836 /* 2837 * SAT "SATA to ATA Translation" doc specifies translation 2838 * to ATA CHECK POWER MODE. 2839 */ 2840 rval = sata_txlt_test_unit_ready(spx); 2841 break; 2842 2843 case SCMD_START_STOP: 2844 /* Mapping depends on the command */ 2845 rval = sata_txlt_start_stop_unit(spx); 2846 break; 2847 2848 case SCMD_READ_CAPACITY: 2849 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2850 bp_mapin(bp); 2851 rval = sata_txlt_read_capacity(spx); 2852 break; 2853 2854 case SCMD_REQUEST_SENSE: 2855 /* 2856 * Always No Sense, since we force ARQ 2857 */ 2858 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2859 bp_mapin(bp); 2860 rval = sata_txlt_request_sense(spx); 2861 break; 2862 2863 case SCMD_LOG_SENSE_G1: 2864 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2865 bp_mapin(bp); 2866 rval = sata_txlt_log_sense(spx); 2867 break; 2868 2869 case SCMD_LOG_SELECT_G1: 2870 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2871 bp_mapin(bp); 2872 rval = sata_txlt_log_select(spx); 2873 break; 2874 2875 case SCMD_MODE_SENSE: 2876 case SCMD_MODE_SENSE_G1: 2877 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2878 bp_mapin(bp); 2879 rval = sata_txlt_mode_sense(spx); 2880 break; 2881 2882 2883 case SCMD_MODE_SELECT: 2884 case SCMD_MODE_SELECT_G1: 2885 if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) 2886 bp_mapin(bp); 2887 rval = sata_txlt_mode_select(spx); 2888 break; 2889 2890 case SCMD_SYNCHRONIZE_CACHE: 2891 case SCMD_SYNCHRONIZE_CACHE_G1: 2892 rval = sata_txlt_synchronize_cache(spx); 2893 break; 2894 2895 case SCMD_READ: 2896 case SCMD_READ_G1: 2897 case SCMD_READ_G4: 2898 case SCMD_READ_G5: 2899 rval = sata_txlt_read(spx); 2900 break; 2901 2902 case SCMD_WRITE: 2903 case SCMD_WRITE_G1: 2904 case SCMD_WRITE_G4: 2905 case SCMD_WRITE_G5: 2906 rval = sata_txlt_write(spx); 2907 break; 2908 2909 case SCMD_SEEK: 2910 rval = sata_txlt_nodata_cmd_immediate(spx); 2911 break; 2912 2913 /* Other cases will be filed later */ 2914 /* postponed until phase 2 of the development */ 2915 default: 2916 rval = sata_txlt_invalid_command(spx); 2917 break; 2918 } 2919 2920 SATADBG1(SATA_DBG_SCSI_IF, sata_hba_inst, 2921 "sata_scsi_start: rval %d\n", rval); 2922 2923 return (rval); 2924 } 2925 2926 /* 2927 * Implementation of scsi tran_abort. 2928 * Abort specific pkt or all packets. 2929 * 2930 * Returns 1 if one or more packets were aborted, returns 0 otherwise 2931 * 2932 * May be called from an interrupt level. 2933 */ 2934 static int 2935 sata_scsi_abort(struct scsi_address *ap, struct scsi_pkt *scsi_pkt) 2936 { 2937 sata_hba_inst_t *sata_hba_inst = 2938 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 2939 sata_device_t sata_device; 2940 sata_pkt_t *sata_pkt; 2941 2942 SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, 2943 "sata_scsi_abort: %s at target: 0x%x\n", 2944 scsi_pkt == NULL ? "all packets" : "one pkt", ap->a_target); 2945 2946 /* Validate address */ 2947 if (sata_validate_scsi_address(sata_hba_inst, ap, &sata_device) != 0) 2948 /* Invalid address */ 2949 return (0); 2950 2951 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 2952 sata_device.satadev_addr.cport))); 2953 if (sata_get_device_info(sata_hba_inst, &sata_device) == NULL) { 2954 /* invalid address */ 2955 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2956 sata_device.satadev_addr.cport))); 2957 return (0); 2958 } 2959 if (scsi_pkt == NULL) { 2960 /* 2961 * Abort all packets. 2962 * Although we do not have specific packet, we still need 2963 * dummy packet structure to pass device address to HBA. 2964 * Allocate one, without sleeping. Fail if pkt cannot be 2965 * allocated. 2966 */ 2967 sata_pkt = kmem_zalloc(sizeof (sata_pkt_t), KM_NOSLEEP); 2968 if (sata_pkt == NULL) { 2969 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2970 sata_device.satadev_addr.cport))); 2971 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_pkt_abort: " 2972 "could not allocate sata_pkt")); 2973 return (0); 2974 } 2975 sata_pkt->satapkt_rev = SATA_PKT_REV; 2976 sata_pkt->satapkt_device = sata_device; 2977 sata_pkt->satapkt_device.satadev_rev = SATA_DEVICE_REV; 2978 } else { 2979 if (scsi_pkt->pkt_ha_private == NULL) { 2980 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2981 sata_device.satadev_addr.cport))); 2982 return (0); /* Bad scsi pkt */ 2983 } 2984 /* extract pointer to sata pkt */ 2985 sata_pkt = ((sata_pkt_txlate_t *)scsi_pkt->pkt_ha_private)-> 2986 txlt_sata_pkt; 2987 } 2988 2989 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 2990 sata_device.satadev_addr.cport))); 2991 /* Send abort request to HBA */ 2992 if ((*SATA_ABORT_FUNC(sata_hba_inst)) 2993 (SATA_DIP(sata_hba_inst), sata_pkt, 2994 scsi_pkt == NULL ? SATA_ABORT_ALL_PACKETS : SATA_ABORT_PACKET) == 2995 SATA_SUCCESS) { 2996 if (scsi_pkt == NULL) 2997 kmem_free(sata_pkt, sizeof (sata_pkt_t)); 2998 /* Success */ 2999 return (1); 3000 } 3001 /* Else, something did not go right */ 3002 if (scsi_pkt == NULL) 3003 kmem_free(sata_pkt, sizeof (sata_pkt_t)); 3004 /* Failure */ 3005 return (0); 3006 } 3007 3008 3009 /* 3010 * Implementation os scsi tran_reset. 3011 * RESET_ALL request is translated into port reset. 3012 * RESET_TARGET requests is translated into a device reset, 3013 * RESET_LUN request is accepted only for LUN 0 and translated into 3014 * device reset. 3015 * The target reset should cause all HBA active and queued packets to 3016 * be terminated and returned with pkt reason SATA_PKT_RESET prior to 3017 * the return. HBA should report reset event for the device. 3018 * 3019 * Returns 1 upon success, 0 upon failure. 3020 */ 3021 static int 3022 sata_scsi_reset(struct scsi_address *ap, int level) 3023 { 3024 sata_hba_inst_t *sata_hba_inst = 3025 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 3026 sata_device_t sata_device; 3027 int val; 3028 3029 SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, 3030 "sata_scsi_reset: level %d target: 0x%x\n", 3031 level, ap->a_target); 3032 3033 /* Validate address */ 3034 val = sata_validate_scsi_address(sata_hba_inst, ap, &sata_device); 3035 if (val == -1) 3036 /* Invalid address */ 3037 return (0); 3038 3039 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 3040 sata_device.satadev_addr.cport))); 3041 if (sata_get_device_info(sata_hba_inst, &sata_device) == NULL) { 3042 /* invalid address */ 3043 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 3044 sata_device.satadev_addr.cport))); 3045 return (0); 3046 } 3047 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 3048 sata_device.satadev_addr.cport))); 3049 if (level == RESET_ALL) { 3050 /* port reset - cport only */ 3051 sata_device.satadev_addr.qual = SATA_ADDR_CPORT; 3052 if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst)) 3053 (SATA_DIP(sata_hba_inst), &sata_device) == SATA_SUCCESS) 3054 return (1); 3055 else 3056 return (0); 3057 3058 } else if (val == 0 && 3059 (level == RESET_TARGET || level == RESET_LUN)) { 3060 /* reset device (device attached) */ 3061 if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst)) 3062 (SATA_DIP(sata_hba_inst), &sata_device) == SATA_SUCCESS) 3063 return (1); 3064 else 3065 return (0); 3066 } 3067 return (0); 3068 } 3069 3070 3071 /* 3072 * Implementation of scsi tran_getcap (get transport/device capabilities). 3073 * Supported capabilities: 3074 * auto-rqsense (always supported) 3075 * tagged-qing (supported if HBA supports it) 3076 * untagged-qing (could be supported if disk supports it, but because 3077 * caching behavior allowing untagged queuing actually 3078 * results in reduced performance. sd tries to throttle 3079 * back to only 3 outstanding commands, which may 3080 * work for real SCSI disks, but with read ahead 3081 * caching, having more than 1 outstanding command 3082 * results in cache thrashing.) 3083 * dma_max 3084 * interconnect-type (INTERCONNECT_SATA) 3085 * 3086 * Request for other capabilities is rejected as unsupported. 3087 * 3088 * Returns supported capability value, or -1 if capability is unsuppported or 3089 * the address is invalid (no device). 3090 */ 3091 3092 static int 3093 sata_scsi_getcap(struct scsi_address *ap, char *cap, int whom) 3094 { 3095 3096 sata_hba_inst_t *sata_hba_inst = 3097 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 3098 sata_device_t sata_device; 3099 sata_drive_info_t *sdinfo; 3100 ddi_dma_attr_t adj_dma_attr; 3101 int rval; 3102 3103 SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, 3104 "sata_scsi_getcap: target: 0x%x, cap: %s\n", 3105 ap->a_target, cap); 3106 3107 /* 3108 * We want to process the capabilities on per port granularity. 3109 * So, we are specifically restricting ourselves to whom != 0 3110 * to exclude the controller wide handling. 3111 */ 3112 if (cap == NULL || whom == 0) 3113 return (-1); 3114 3115 if (sata_validate_scsi_address(sata_hba_inst, ap, &sata_device) != 0) { 3116 /* Invalid address */ 3117 return (-1); 3118 } 3119 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 3120 sata_device.satadev_addr.cport))); 3121 if ((sdinfo = sata_get_device_info(sata_hba_inst, &sata_device)) == 3122 NULL) { 3123 /* invalid address */ 3124 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 3125 sata_device.satadev_addr.cport))); 3126 return (0); 3127 } 3128 3129 switch (scsi_hba_lookup_capstr(cap)) { 3130 case SCSI_CAP_ARQ: 3131 rval = 1; /* ARQ supported, turned on */ 3132 break; 3133 3134 case SCSI_CAP_SECTOR_SIZE: 3135 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) 3136 rval = SATA_DISK_SECTOR_SIZE; /* fixed size */ 3137 else if (sdinfo->satadrv_type == SATA_DTYPE_ATAPICD) 3138 rval = SATA_ATAPI_SECTOR_SIZE; 3139 else rval = -1; 3140 break; 3141 3142 /* 3143 * untagged queuing cause a performance inversion because of 3144 * the way sd operates. Because of this reason we do not 3145 * use it when available. 3146 */ 3147 #if defined(_UNTAGGED_QING_SUPPORTED) 3148 case SCSI_CAP_UNTAGGED_QING: 3149 if (SATA_QDEPTH(sata_hba_inst) > 1) 3150 rval = 1; /* Untagged queuing supported */ 3151 else 3152 rval = -1; /* Untagged queuing not supported */ 3153 break; 3154 #endif 3155 3156 case SCSI_CAP_TAGGED_QING: 3157 /* This can TCQ or NCQ */ 3158 if (sata_func_enable & SATA_ENABLE_QUEUING && 3159 ((sdinfo->satadrv_features_support & SATA_DEV_F_TCQ && 3160 SATA_FEATURES(sata_hba_inst) & SATA_CTLF_QCMD) || 3161 (sata_func_enable & SATA_ENABLE_NCQ && 3162 sdinfo->satadrv_features_support & SATA_DEV_F_NCQ && 3163 SATA_FEATURES(sata_hba_inst) & SATA_CTLF_NCQ))) 3164 rval = 1; /* Tagged queuing supported */ 3165 else 3166 rval = -1; /* Tagged queuing not supported */ 3167 break; 3168 3169 case SCSI_CAP_DMA_MAX: 3170 sata_adjust_dma_attr(sdinfo, SATA_DMA_ATTR(sata_hba_inst), 3171 &adj_dma_attr); 3172 rval = (int)adj_dma_attr.dma_attr_maxxfer; 3173 /* We rely on the fact that dma_attr_maxxfer < 0x80000000 */ 3174 break; 3175 3176 case SCSI_CAP_INTERCONNECT_TYPE: 3177 rval = INTERCONNECT_SATA; /* SATA interconnect type */ 3178 break; 3179 3180 default: 3181 rval = -1; 3182 break; 3183 } 3184 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 3185 sata_device.satadev_addr.cport))); 3186 return (rval); 3187 } 3188 3189 /* 3190 * Implementation of scsi tran_setcap 3191 * 3192 * All supported capabilities are fixed/unchangeable. 3193 * Returns 0 for all supported capabilities and valid device, -1 otherwise. 3194 */ 3195 static int 3196 sata_scsi_setcap(struct scsi_address *ap, char *cap, int value, int whom) 3197 { 3198 #ifndef __lock_lint 3199 _NOTE(ARGUNUSED(value)) 3200 #endif 3201 sata_hba_inst_t *sata_hba_inst = 3202 (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); 3203 sata_device_t sata_device; 3204 int rval; 3205 3206 SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, 3207 "sata_scsi_setcap: target: 0x%x, cap: %s\n", ap->a_target, cap); 3208 3209 /* 3210 * We want to process the capabilities on per port granularity. 3211 * So, we are specifically restricting ourselves to whom != 0 3212 * to exclude the controller wide handling. 3213 */ 3214 if (cap == NULL || whom == 0) { 3215 return (-1); 3216 } 3217 3218 if (sata_validate_scsi_address(sata_hba_inst, ap, &sata_device) != 0) { 3219 /* Invalid address */ 3220 return (-1); 3221 } 3222 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 3223 sata_device.satadev_addr.cport))); 3224 if (sata_get_device_info(sata_hba_inst, &sata_device) == NULL) { 3225 /* invalid address */ 3226 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 3227 sata_device.satadev_addr.cport))); 3228 return (0); 3229 } 3230 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 3231 sata_device.satadev_addr.cport))); 3232 3233 switch (scsi_hba_lookup_capstr(cap)) { 3234 case SCSI_CAP_ARQ: 3235 case SCSI_CAP_SECTOR_SIZE: 3236 case SCSI_CAP_TAGGED_QING: 3237 case SCSI_CAP_DMA_MAX: 3238 case SCSI_CAP_INTERCONNECT_TYPE: 3239 #if defined(_UNTAGGED_QING_SUPPORTED) 3240 case SCSI_CAP_UNTAGGED_QING: 3241 rval = 0; /* Capability cannot be changed */ 3242 break; 3243 #endif 3244 3245 default: 3246 rval = -1; 3247 break; 3248 } 3249 return (rval); 3250 } 3251 3252 /* 3253 * Implementations of scsi tran_destroy_pkt. 3254 * Free resources allocated by sata_scsi_init_pkt() 3255 */ 3256 static void 3257 sata_scsi_destroy_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) 3258 { 3259 sata_pkt_txlate_t *spx; 3260 3261 ASSERT(pkt != NULL); 3262 spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 3263 3264 if (spx->txlt_buf_dma_handle != NULL) { 3265 if (spx->txlt_tmp_buf != NULL) { 3266 ASSERT(spx->txlt_tmp_buf_handle != 0); 3267 /* 3268 * Intermediate DMA buffer was allocated. 3269 * Free allocated buffer and associated access handle. 3270 */ 3271 ddi_dma_mem_free(&spx->txlt_tmp_buf_handle); 3272 spx->txlt_tmp_buf = NULL; 3273 } 3274 /* 3275 * Free DMA resources - cookies and handles 3276 */ 3277 ASSERT(spx->txlt_dma_cookie_list != NULL); 3278 (void) kmem_free(spx->txlt_dma_cookie_list, 3279 spx->txlt_dma_cookie_list_len * sizeof (ddi_dma_cookie_t)); 3280 (void) ddi_dma_unbind_handle(spx->txlt_buf_dma_handle); 3281 (void) ddi_dma_free_handle(&spx->txlt_buf_dma_handle); 3282 } 3283 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; 3284 sata_pkt_free(spx); 3285 3286 scsi_hba_pkt_free(ap, pkt); 3287 } 3288 3289 /* 3290 * Implementation of scsi tran_dmafree. 3291 * Free DMA resources allocated by sata_scsi_init_pkt() 3292 */ 3293 3294 static void 3295 sata_scsi_dmafree(struct scsi_address *ap, struct scsi_pkt *pkt) 3296 { 3297 #ifndef __lock_lint 3298 _NOTE(ARGUNUSED(ap)) 3299 #endif 3300 sata_pkt_txlate_t *spx; 3301 3302 ASSERT(pkt != NULL); 3303 spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 3304 3305 if (spx->txlt_buf_dma_handle != NULL) { 3306 /* 3307 * Free DMA resources - cookies and handles 3308 */ 3309 ASSERT(spx->txlt_dma_cookie_list != NULL); 3310 (void) kmem_free(spx->txlt_dma_cookie_list, 3311 spx->txlt_dma_cookie_list_len * sizeof (ddi_dma_cookie_t)); 3312 (void) ddi_dma_unbind_handle(spx->txlt_buf_dma_handle); 3313 (void) ddi_dma_free_handle(&spx->txlt_buf_dma_handle); 3314 } 3315 } 3316 3317 /* 3318 * Implementation of scsi tran_sync_pkt. 3319 * 3320 * The assumption below is that pkt is unique - there is no need to check ap 3321 * 3322 * Synchronize DMA buffer and, if the intermediate buffer is used, copy data 3323 * into/from the real buffer. 3324 */ 3325 static void 3326 sata_scsi_sync_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) 3327 { 3328 #ifndef __lock_lint 3329 _NOTE(ARGUNUSED(ap)) 3330 #endif 3331 int rval; 3332 sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; 3333 struct buf *bp; 3334 int direction; 3335 3336 ASSERT(spx != NULL); 3337 if (spx->txlt_buf_dma_handle != NULL) { 3338 direction = spx->txlt_sata_pkt-> 3339 satapkt_cmd.satacmd_flags.sata_data_direction; 3340 if (spx->txlt_sata_pkt != NULL && 3341 direction != SATA_DIR_NODATA_XFER) { 3342 if (spx->txlt_tmp_buf != NULL) { 3343 /* Intermediate DMA buffer used */ 3344 bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 3345 3346 if (direction & SATA_DIR_WRITE) { 3347 bcopy(bp->b_un.b_addr, 3348 spx->txlt_tmp_buf, bp->b_bcount); 3349 } 3350 } 3351 /* Sync the buffer for device or for CPU */ 3352 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 3353 (direction & SATA_DIR_WRITE) ? 3354 DDI_DMA_SYNC_FORDEV : DDI_DMA_SYNC_FORCPU); 3355 ASSERT(rval == DDI_SUCCESS); 3356 if (spx->txlt_tmp_buf != NULL && 3357 !(direction & SATA_DIR_WRITE)) { 3358 /* Intermediate DMA buffer used for read */ 3359 bcopy(spx->txlt_tmp_buf, 3360 bp->b_un.b_addr, bp->b_bcount); 3361 } 3362 3363 } 3364 } 3365 } 3366 3367 3368 3369 /* ******************* SATA - SCSI Translation functions **************** */ 3370 /* 3371 * SCSI to SATA pkt and command translation and SATA to SCSI status/error 3372 * translation. 3373 */ 3374 3375 /* 3376 * Checks if a device exists and can be access and translates common 3377 * scsi_pkt data to sata_pkt data. 3378 * 3379 * Returns TRAN_ACCEPT if device exists and sata_pkt was set-up. 3380 * Returns other TRAN_XXXXX values when error occured. 3381 * 3382 * This function should be called with port mutex held. 3383 */ 3384 static int 3385 sata_txlt_generic_pkt_info(sata_pkt_txlate_t *spx) 3386 { 3387 sata_drive_info_t *sdinfo; 3388 sata_device_t sata_device; 3389 const struct sata_cmd_flags sata_initial_cmd_flags = { 3390 SATA_DIR_NODATA_XFER, 3391 /* all other values to 0/FALSE */ 3392 }; 3393 3394 /* Validate address */ 3395 switch (sata_validate_scsi_address(spx->txlt_sata_hba_inst, 3396 &spx->txlt_scsi_pkt->pkt_address, &sata_device)) { 3397 3398 case -1: 3399 /* Invalid address or invalid device type */ 3400 return (TRAN_BADPKT); 3401 case 1: 3402 /* valid address but no device - it has disappeared ? */ 3403 spx->txlt_scsi_pkt->pkt_reason = CMD_DEV_GONE; 3404 return (TRAN_FATAL_ERROR); 3405 default: 3406 /* all OK */ 3407 break; 3408 } 3409 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 3410 &spx->txlt_sata_pkt->satapkt_device); 3411 3412 /* 3413 * If device is in reset condition, reject the packet with 3414 * TRAN_BUSY 3415 */ 3416 if (sdinfo->satadrv_event_flags & 3417 (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) { 3418 spx->txlt_scsi_pkt->pkt_reason = CMD_INCOMPLETE; 3419 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3420 "sata_scsi_start: rejecting command because " 3421 "of device reset state\n", NULL); 3422 return (TRAN_BUSY); 3423 } 3424 3425 /* 3426 * Fix the dev_type in the sata_pkt->satapkt_device. It was not set by 3427 * sata_scsi_pkt_init() because pkt init had to work also with 3428 * non-existing devices. 3429 * Now we know that the packet was set-up for a real device, so its 3430 * type is known. 3431 */ 3432 spx->txlt_sata_pkt->satapkt_device.satadev_type = sdinfo->satadrv_type; 3433 3434 spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags = sata_initial_cmd_flags; 3435 3436 spx->txlt_scsi_pkt->pkt_reason = CMD_CMPLT; 3437 3438 if ((spx->txlt_scsi_pkt->pkt_flags & FLAG_NOINTR) != 0) { 3439 /* Synchronous execution */ 3440 spx->txlt_sata_pkt->satapkt_op_mode = SATA_OPMODE_SYNCH | 3441 SATA_OPMODE_POLLING; 3442 spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags. 3443 sata_ignore_dev_reset = ddi_in_panic(); 3444 } else { 3445 /* Asynchronous execution */ 3446 spx->txlt_sata_pkt->satapkt_op_mode = SATA_OPMODE_ASYNCH | 3447 SATA_OPMODE_INTERRUPTS; 3448 } 3449 /* Convert queuing information */ 3450 if (spx->txlt_scsi_pkt->pkt_flags & FLAG_STAG) 3451 spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags.sata_queue_stag = 3452 B_TRUE; 3453 else if (spx->txlt_scsi_pkt->pkt_flags & 3454 (FLAG_OTAG | FLAG_HTAG | FLAG_HEAD)) 3455 spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags.sata_queue_otag = 3456 B_TRUE; 3457 3458 /* Always limit pkt time */ 3459 if (spx->txlt_scsi_pkt->pkt_time == 0) 3460 spx->txlt_sata_pkt->satapkt_time = sata_default_pkt_time; 3461 else 3462 /* Pass on scsi_pkt time */ 3463 spx->txlt_sata_pkt->satapkt_time = 3464 spx->txlt_scsi_pkt->pkt_time; 3465 3466 return (TRAN_ACCEPT); 3467 } 3468 3469 3470 /* 3471 * Translate ATA(ATAPI) Identify (Packet) Device data to SCSI Inquiry data. 3472 * SATA Identify Device data has to be valid in sata_rive_info. 3473 * Buffer has to accomodate the inquiry length (36 bytes). 3474 * 3475 * This function should be called with a port mutex held. 3476 */ 3477 static void 3478 sata_identdev_to_inquiry(sata_hba_inst_t *sata_hba_inst, 3479 sata_drive_info_t *sdinfo, uint8_t *buf) 3480 { 3481 3482 struct scsi_inquiry *inq = (struct scsi_inquiry *)buf; 3483 struct sata_id *sid = &sdinfo->satadrv_id; 3484 3485 /* Start with a nice clean slate */ 3486 bzero((void *)inq, sizeof (struct scsi_inquiry)); 3487 3488 /* Rely on the dev_type for setting paripheral qualifier */ 3489 /* Does DTYPE_RODIRECT apply to CD/DVD R/W devices ? */ 3490 inq->inq_dtype = sdinfo->satadrv_type == SATA_DTYPE_ATADISK ? 3491 DTYPE_DIRECT : DTYPE_RODIRECT; 3492 3493 inq->inq_rmb = sid->ai_config & SATA_REM_MEDIA ? 1 : 0; 3494 inq->inq_qual = 0; /* Device type qualifier (obsolete in SCSI3? */ 3495 inq->inq_iso = 0; /* ISO version */ 3496 inq->inq_ecma = 0; /* ECMA version */ 3497 inq->inq_ansi = 3; /* ANSI version - SCSI 3 */ 3498 inq->inq_aenc = 0; /* Async event notification cap. */ 3499 inq->inq_trmiop = 0; /* Supports TERMINATE I/O PROC msg ??? */ 3500 inq->inq_normaca = 0; /* setting NACA bit supported - NO */ 3501 inq->inq_rdf = RDF_SCSI2; /* Response data format- SPC-3 */ 3502 inq->inq_len = 31; /* Additional length */ 3503 inq->inq_dualp = 0; /* dual port device - NO */ 3504 inq->inq_reladdr = 0; /* Supports relative addressing - NO */ 3505 inq->inq_sync = 0; /* Supports synchronous data xfers - NO */ 3506 inq->inq_linked = 0; /* Supports linked commands - NO */ 3507 /* 3508 * Queuing support - controller has to 3509 * support some sort of command queuing. 3510 */ 3511 if (SATA_QDEPTH(sata_hba_inst) > 1) 3512 inq->inq_cmdque = 1; /* Supports command queueing - YES */ 3513 else 3514 inq->inq_cmdque = 0; /* Supports command queueing - NO */ 3515 inq->inq_sftre = 0; /* Supports Soft Reset option - NO ??? */ 3516 inq->inq_wbus32 = 0; /* Supports 32 bit wide data xfers - NO */ 3517 inq->inq_wbus16 = 0; /* Supports 16 bit wide data xfers - NO */ 3518 3519 #ifdef _LITTLE_ENDIAN 3520 /* Swap text fields to match SCSI format */ 3521 bcopy("ATA ", inq->inq_vid, 8); /* Vendor ID */ 3522 swab(sid->ai_model, inq->inq_pid, 16); /* Product ID */ 3523 if (strncmp(&sid->ai_fw[4], " ", 4) == 0) 3524 swab(sid->ai_fw, inq->inq_revision, 4); /* Revision level */ 3525 else 3526 swab(&sid->ai_fw[4], inq->inq_revision, 4); /* Rev. level */ 3527 #else 3528 bcopy(sid->ai_model, inq->inq_vid, 8); /* Vendor ID */ 3529 bcopy(&sid->ai_model[8], inq->inq_pid, 16); /* Product ID */ 3530 if (strncmp(&sid->ai_fw[4], " ", 4) == 0) 3531 bcopy(sid->ai_fw, inq->inq_revision, 4); /* Revision level */ 3532 else 3533 bcopy(&sid->ai_fw[4], inq->inq_revision, 4); /* Rev. level */ 3534 #endif 3535 } 3536 3537 3538 /* 3539 * Scsi response set up for invalid command (command not supported) 3540 * 3541 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 3542 */ 3543 static int 3544 sata_txlt_invalid_command(sata_pkt_txlate_t *spx) 3545 { 3546 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3547 struct scsi_extended_sense *sense; 3548 3549 scsipkt->pkt_reason = CMD_CMPLT; 3550 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3551 STATE_SENT_CMD | STATE_GOT_STATUS; 3552 3553 *scsipkt->pkt_scbp = STATUS_CHECK; 3554 3555 sense = sata_arq_sense(spx); 3556 sense->es_key = KEY_ILLEGAL_REQUEST; 3557 sense->es_add_code = SD_SCSI_INVALID_COMMAND_CODE; 3558 3559 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3560 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 3561 3562 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3563 scsipkt->pkt_comp != NULL) 3564 /* scsi callback required */ 3565 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3566 (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, 3567 (void *)spx->txlt_scsi_pkt, 3568 TQ_SLEEP) == 0) 3569 /* Scheduling the callback failed */ 3570 return (TRAN_BUSY); 3571 return (TRAN_ACCEPT); 3572 } 3573 3574 /* 3575 * Scsi response setup for 3576 * emulated non-data command that requires no action/return data 3577 * 3578 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 3579 */ 3580 static int 3581 sata_txlt_nodata_cmd_immediate(sata_pkt_txlate_t *spx) 3582 { 3583 int rval; 3584 3585 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 3586 3587 if ((rval = sata_txlt_generic_pkt_info(spx)) != TRAN_ACCEPT) { 3588 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3589 return (rval); 3590 } 3591 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3592 3593 spx->txlt_scsi_pkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3594 STATE_SENT_CMD | STATE_GOT_STATUS; 3595 spx->txlt_scsi_pkt->pkt_reason = CMD_CMPLT; 3596 *(spx->txlt_scsi_pkt->pkt_scbp) = STATUS_GOOD; 3597 3598 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3599 "Scsi_pkt completion reason %x\n", 3600 spx->txlt_scsi_pkt->pkt_reason); 3601 3602 if ((spx->txlt_scsi_pkt->pkt_flags & FLAG_NOINTR) == 0 && 3603 spx->txlt_scsi_pkt->pkt_comp != NULL) 3604 /* scsi callback required */ 3605 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3606 (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, 3607 (void *)spx->txlt_scsi_pkt, 3608 TQ_SLEEP) == 0) 3609 /* Scheduling the callback failed */ 3610 return (TRAN_BUSY); 3611 return (TRAN_ACCEPT); 3612 } 3613 3614 3615 /* 3616 * SATA translate command: Inquiry / Identify Device 3617 * Use cached Identify Device data for now, rather then issuing actual 3618 * Device Identify cmd request. If device is detached and re-attached, 3619 * asynchromous event processing should fetch and refresh Identify Device 3620 * data. 3621 * Two VPD pages are supported now: 3622 * Vital Product Data page 3623 * Unit Serial Number page 3624 * 3625 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 3626 */ 3627 3628 #define EVPD 1 /* Extended Vital Product Data flag */ 3629 #define CMDDT 2 /* Command Support Data - Obsolete */ 3630 #define INQUIRY_SUP_VPD_PAGE 0 /* Supported VDP Pages Page COde */ 3631 #define INQUIRY_USN_PAGE 0x80 /* Unit Serial Number Page Code */ 3632 #define INQUIRY_DEV_IDENTIFICATION_PAGE 0x83 /* Not needed yet */ 3633 3634 static int 3635 sata_txlt_inquiry(sata_pkt_txlate_t *spx) 3636 { 3637 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3638 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 3639 sata_drive_info_t *sdinfo; 3640 struct scsi_extended_sense *sense; 3641 int count; 3642 uint8_t *p; 3643 int i, j; 3644 uint8_t page_buf[0xff]; /* Max length */ 3645 int rval; 3646 3647 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 3648 3649 if ((rval = sata_txlt_generic_pkt_info(spx)) != TRAN_ACCEPT) { 3650 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3651 return (rval); 3652 } 3653 3654 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 3655 &spx->txlt_sata_pkt->satapkt_device); 3656 3657 ASSERT(sdinfo != NULL); 3658 3659 scsipkt->pkt_reason = CMD_CMPLT; 3660 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3661 STATE_SENT_CMD | STATE_GOT_STATUS; 3662 3663 /* Reject not supported request */ 3664 if (scsipkt->pkt_cdbp[1] & CMDDT) { /* No support for this bit */ 3665 *scsipkt->pkt_scbp = STATUS_CHECK; 3666 sense = sata_arq_sense(spx); 3667 sense->es_key = KEY_ILLEGAL_REQUEST; 3668 sense->es_add_code = SD_SCSI_INVALID_FIELD_IN_CDB; 3669 goto done; 3670 } 3671 3672 /* Valid Inquiry request */ 3673 *scsipkt->pkt_scbp = STATUS_GOOD; 3674 3675 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { 3676 3677 if (!(scsipkt->pkt_cdbp[1] & EVPD)) { 3678 /* Standard Inquiry Data request */ 3679 struct scsi_inquiry inq; 3680 unsigned int bufsize; 3681 3682 sata_identdev_to_inquiry(spx->txlt_sata_hba_inst, 3683 sdinfo, (uint8_t *)&inq); 3684 /* Copy no more than requested */ 3685 count = MIN(bp->b_bcount, 3686 sizeof (struct scsi_inquiry)); 3687 bufsize = scsipkt->pkt_cdbp[4]; 3688 bufsize |= scsipkt->pkt_cdbp[3] << 8; 3689 count = MIN(count, bufsize); 3690 bcopy(&inq, bp->b_un.b_addr, count); 3691 3692 scsipkt->pkt_state |= STATE_XFERRED_DATA; 3693 scsipkt->pkt_resid = scsipkt->pkt_cdbp[4] > count ? 3694 bufsize - count : 0; 3695 } else { 3696 /* 3697 * peripheral_qualifier = 0; 3698 * 3699 * We are dealing only with HD and will be 3700 * dealing with CD/DVD devices soon 3701 */ 3702 uint8_t peripheral_device_type = 3703 sdinfo->satadrv_type == SATA_DTYPE_ATADISK ? 3704 DTYPE_DIRECT : DTYPE_RODIRECT; 3705 3706 switch ((uint_t)scsipkt->pkt_cdbp[2]) { 3707 case INQUIRY_SUP_VPD_PAGE: 3708 /* 3709 * Request for suported Vital Product Data 3710 * pages - assuming only 2 page codes 3711 * supported 3712 */ 3713 page_buf[0] = peripheral_device_type; 3714 page_buf[1] = INQUIRY_SUP_VPD_PAGE; 3715 page_buf[2] = 0; 3716 page_buf[3] = 2; /* page length */ 3717 page_buf[4] = INQUIRY_SUP_VPD_PAGE; 3718 page_buf[5] = INQUIRY_USN_PAGE; 3719 /* Copy no more than requested */ 3720 count = MIN(bp->b_bcount, 6); 3721 bcopy(page_buf, bp->b_un.b_addr, count); 3722 break; 3723 case INQUIRY_USN_PAGE: 3724 /* 3725 * Request for Unit Serial Number page 3726 */ 3727 page_buf[0] = peripheral_device_type; 3728 page_buf[1] = INQUIRY_USN_PAGE; 3729 page_buf[2] = 0; 3730 page_buf[3] = 20; /* remaining page length */ 3731 p = (uint8_t *)(sdinfo->satadrv_id.ai_drvser); 3732 #ifdef _LITTLE_ENDIAN 3733 swab(p, &page_buf[4], 20); 3734 #else 3735 bcopy(p, &page_buf[4], 20); 3736 #endif 3737 for (i = 0; i < 20; i++) { 3738 if (page_buf[4 + i] == '\0' || 3739 page_buf[4 + i] == '\040') { 3740 break; 3741 } 3742 } 3743 /* 3744 * 'i' contains string length. 3745 * 3746 * Least significant character of the serial 3747 * number shall appear as the last byte, 3748 * according to SBC-3 spec. 3749 */ 3750 p = &page_buf[20 + 4 - 1]; 3751 for (j = i; j > 0; j--, p--) { 3752 *p = *(p - 20 + i); 3753 } 3754 p = &page_buf[4]; 3755 for (j = 20 - i; j > 0; j--) { 3756 *p++ = '\040'; 3757 } 3758 count = MIN(bp->b_bcount, 24); 3759 bcopy(page_buf, bp->b_un.b_addr, count); 3760 break; 3761 3762 case INQUIRY_DEV_IDENTIFICATION_PAGE: 3763 /* 3764 * We may want to implement this page, when 3765 * identifiers are common for SATA devices 3766 * But not now. 3767 */ 3768 /*FALLTHRU*/ 3769 3770 default: 3771 /* Request for unsupported VPD page */ 3772 *scsipkt->pkt_scbp = STATUS_CHECK; 3773 sense = sata_arq_sense(spx); 3774 sense->es_key = KEY_ILLEGAL_REQUEST; 3775 sense->es_add_code = 3776 SD_SCSI_INVALID_FIELD_IN_CDB; 3777 goto done; 3778 } 3779 } 3780 scsipkt->pkt_state |= STATE_XFERRED_DATA; 3781 scsipkt->pkt_resid = scsipkt->pkt_cdbp[4] > count ? 3782 scsipkt->pkt_cdbp[4] - count : 0; 3783 } 3784 done: 3785 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3786 3787 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3788 "Scsi_pkt completion reason %x\n", 3789 scsipkt->pkt_reason); 3790 3791 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3792 scsipkt->pkt_comp != NULL) { 3793 /* scsi callback required */ 3794 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3795 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 3796 TQ_SLEEP) == 0) 3797 /* Scheduling the callback failed */ 3798 return (TRAN_BUSY); 3799 } 3800 return (TRAN_ACCEPT); 3801 } 3802 3803 /* 3804 * SATA translate command: Request Sense 3805 * emulated command (ATA version so far, no ATAPI) 3806 * Always NO SENSE, because any sense data should be reported by ARQ sense. 3807 * 3808 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 3809 */ 3810 static int 3811 sata_txlt_request_sense(sata_pkt_txlate_t *spx) 3812 { 3813 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3814 struct scsi_extended_sense sense; 3815 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 3816 int rval; 3817 3818 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 3819 3820 if ((rval = sata_txlt_generic_pkt_info(spx)) != TRAN_ACCEPT) { 3821 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3822 return (rval); 3823 } 3824 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3825 3826 3827 scsipkt->pkt_reason = CMD_CMPLT; 3828 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3829 STATE_SENT_CMD | STATE_GOT_STATUS; 3830 *scsipkt->pkt_scbp = STATUS_GOOD; 3831 3832 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { 3833 int count = MIN(bp->b_bcount, 3834 sizeof (struct scsi_extended_sense)); 3835 bzero(&sense, sizeof (struct scsi_extended_sense)); 3836 sense.es_valid = 0; /* Valid LBA */ 3837 sense.es_class = 7; /* Response code 0x70 - current err */ 3838 sense.es_key = KEY_NO_SENSE; 3839 sense.es_add_len = 6; /* Additional length */ 3840 /* Copy no more than requested */ 3841 bcopy(&sense, bp->b_un.b_addr, count); 3842 scsipkt->pkt_state |= STATE_XFERRED_DATA; 3843 scsipkt->pkt_resid = 0; 3844 } 3845 3846 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3847 "Scsi_pkt completion reason %x\n", 3848 scsipkt->pkt_reason); 3849 3850 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3851 scsipkt->pkt_comp != NULL) 3852 /* scsi callback required */ 3853 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3854 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 3855 TQ_SLEEP) == 0) 3856 /* Scheduling the callback failed */ 3857 return (TRAN_BUSY); 3858 return (TRAN_ACCEPT); 3859 } 3860 3861 /* 3862 * SATA translate command: Test Unit Ready 3863 * At the moment this is an emulated command (ATA version so far, no ATAPI). 3864 * May be translated into Check Power Mode command in the future 3865 * 3866 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 3867 */ 3868 static int 3869 sata_txlt_test_unit_ready(sata_pkt_txlate_t *spx) 3870 { 3871 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3872 struct scsi_extended_sense *sense; 3873 int power_state; 3874 int rval; 3875 3876 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 3877 3878 if ((rval = sata_txlt_generic_pkt_info(spx)) != TRAN_ACCEPT) { 3879 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3880 return (rval); 3881 } 3882 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3883 3884 /* At this moment, emulate it rather than execute anything */ 3885 power_state = SATA_PWRMODE_ACTIVE; 3886 3887 scsipkt->pkt_reason = CMD_CMPLT; 3888 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 3889 STATE_SENT_CMD | STATE_GOT_STATUS; 3890 3891 switch (power_state) { 3892 case SATA_PWRMODE_ACTIVE: 3893 case SATA_PWRMODE_IDLE: 3894 *scsipkt->pkt_scbp = STATUS_GOOD; 3895 break; 3896 default: 3897 /* PWR mode standby */ 3898 *scsipkt->pkt_scbp = STATUS_CHECK; 3899 sense = sata_arq_sense(spx); 3900 sense->es_key = KEY_NOT_READY; 3901 sense->es_add_code = SD_SCSI_LU_NOT_READY; 3902 break; 3903 } 3904 3905 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3906 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 3907 3908 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3909 scsipkt->pkt_comp != NULL) 3910 /* scsi callback required */ 3911 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3912 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 3913 TQ_SLEEP) == 0) 3914 /* Scheduling the callback failed */ 3915 return (TRAN_BUSY); 3916 3917 return (TRAN_ACCEPT); 3918 } 3919 3920 3921 /* 3922 * SATA translate command: Start Stop Unit 3923 * Translation depends on a command: 3924 * Start Unit translated into Idle Immediate 3925 * Stop Unit translated into Standby Immediate 3926 * Unload Media / NOT SUPPORTED YET 3927 * Load Media / NOT SUPPROTED YET 3928 * Power condition bits are ignored, so is Immediate bit 3929 * Requesting synchronous execution. 3930 * 3931 * Returns TRAN_ACCEPT or code returned by sata_hba_start() and 3932 * appropriate values in scsi_pkt fields. 3933 */ 3934 static int 3935 sata_txlt_start_stop_unit(sata_pkt_txlate_t *spx) 3936 { 3937 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 3938 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 3939 struct scsi_extended_sense *sense; 3940 sata_hba_inst_t *shi = SATA_TXLT_HBA_INST(spx); 3941 int cport = SATA_TXLT_CPORT(spx); 3942 int rval; 3943 int synch; 3944 3945 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3946 "sata_txlt_start_stop_unit: %d\n", scsipkt->pkt_scbp[4] & 1); 3947 3948 mutex_enter(&SATA_CPORT_MUTEX(shi, cport)); 3949 3950 if ((rval = sata_txlt_generic_pkt_info(spx)) != TRAN_ACCEPT) { 3951 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3952 return (rval); 3953 } 3954 3955 if (scsipkt->pkt_cdbp[4] & 2) { 3956 /* Load/Unload Media - invalid request */ 3957 *scsipkt->pkt_scbp = STATUS_CHECK; 3958 sense = sata_arq_sense(spx); 3959 sense->es_key = KEY_ILLEGAL_REQUEST; 3960 sense->es_add_code = SD_SCSI_INVALID_FIELD_IN_CDB; 3961 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 3962 3963 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 3964 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 3965 3966 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 3967 scsipkt->pkt_comp != NULL) 3968 /* scsi callback required */ 3969 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 3970 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 3971 TQ_SLEEP) == 0) 3972 /* Scheduling the callback failed */ 3973 return (TRAN_BUSY); 3974 3975 return (TRAN_ACCEPT); 3976 } 3977 scmd->satacmd_addr_type = 0; 3978 scmd->satacmd_sec_count_lsb = 0; 3979 scmd->satacmd_lba_low_lsb = 0; 3980 scmd->satacmd_lba_mid_lsb = 0; 3981 scmd->satacmd_lba_high_lsb = 0; 3982 scmd->satacmd_features_reg = 0; 3983 scmd->satacmd_device_reg = 0; 3984 scmd->satacmd_status_reg = 0; 3985 if (scsipkt->pkt_cdbp[4] & 1) { 3986 /* Start Unit */ 3987 scmd->satacmd_cmd_reg = SATAC_IDLE_IM; 3988 } else { 3989 /* Stop Unit */ 3990 scmd->satacmd_cmd_reg = SATAC_STANDBY_IM; 3991 } 3992 3993 if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { 3994 /* Need to set-up a callback function */ 3995 spx->txlt_sata_pkt->satapkt_comp = 3996 sata_txlt_nodata_cmd_completion; 3997 synch = FALSE; 3998 } else { 3999 spx->txlt_sata_pkt->satapkt_op_mode = SATA_OPMODE_SYNCH; 4000 synch = TRUE; 4001 } 4002 4003 /* Transfer command to HBA */ 4004 if (sata_hba_start(spx, &rval) != 0) { 4005 /* Pkt not accepted for execution */ 4006 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 4007 return (rval); 4008 } 4009 4010 /* 4011 * If execution is non-synchronous, 4012 * a callback function will handle potential errors, translate 4013 * the response and will do a callback to a target driver. 4014 * If it was synchronous, check execution status using the same 4015 * framework callback. 4016 */ 4017 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 4018 if (synch) { 4019 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4020 "synchronous execution status %x\n", 4021 spx->txlt_sata_pkt->satapkt_reason); 4022 4023 sata_txlt_nodata_cmd_completion(spx->txlt_sata_pkt); 4024 } 4025 return (TRAN_ACCEPT); 4026 4027 } 4028 4029 4030 /* 4031 * SATA translate command: Read Capacity. 4032 * Emulated command for SATA disks. 4033 * Capacity is retrieved from cached Idenifty Device data. 4034 * Identify Device data shows effective disk capacity, not the native 4035 * capacity, which may be limitted by Set Max Address command. 4036 * This is ATA version (non-ATAPI). 4037 * 4038 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 4039 */ 4040 static int 4041 sata_txlt_read_capacity(sata_pkt_txlate_t *spx) 4042 { 4043 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 4044 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 4045 sata_drive_info_t *sdinfo; 4046 uint64_t val; 4047 uchar_t *rbuf; 4048 int rval; 4049 4050 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4051 "sata_txlt_read_capacity: ", NULL); 4052 4053 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 4054 4055 if ((rval = sata_txlt_generic_pkt_info(spx)) != TRAN_ACCEPT) { 4056 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4057 return (rval); 4058 } 4059 4060 scsipkt->pkt_reason = CMD_CMPLT; 4061 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 4062 STATE_SENT_CMD | STATE_GOT_STATUS; 4063 *scsipkt->pkt_scbp = STATUS_GOOD; 4064 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { 4065 sdinfo = sata_get_device_info( 4066 spx->txlt_sata_hba_inst, 4067 &spx->txlt_sata_pkt->satapkt_device); 4068 /* Last logical block address */ 4069 val = sdinfo->satadrv_capacity - 1; 4070 rbuf = (uchar_t *)bp->b_un.b_addr; 4071 /* Need to swap endians to match scsi format */ 4072 rbuf[0] = (val >> 24) & 0xff; 4073 rbuf[1] = (val >> 16) & 0xff; 4074 rbuf[2] = (val >> 8) & 0xff; 4075 rbuf[3] = val & 0xff; 4076 /* block size - always 512 bytes, for now */ 4077 rbuf[4] = 0; 4078 rbuf[5] = 0; 4079 rbuf[6] = 0x02; 4080 rbuf[7] = 0; 4081 scsipkt->pkt_state |= STATE_XFERRED_DATA; 4082 scsipkt->pkt_resid = 0; 4083 4084 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "%d\n", 4085 sdinfo->satadrv_capacity -1); 4086 } 4087 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4088 /* 4089 * If a callback was requested, do it now. 4090 */ 4091 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4092 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 4093 4094 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 4095 scsipkt->pkt_comp != NULL) 4096 /* scsi callback required */ 4097 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 4098 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 4099 TQ_SLEEP) == 0) 4100 /* Scheduling the callback failed */ 4101 return (TRAN_BUSY); 4102 4103 return (TRAN_ACCEPT); 4104 } 4105 4106 /* 4107 * SATA translate command: Mode Sense. 4108 * Translated into appropriate SATA command or emulated. 4109 * Saved Values Page Control (03) are not supported. 4110 * 4111 * NOTE: only caching mode sense page is currently implemented. 4112 * 4113 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 4114 */ 4115 4116 static int 4117 sata_txlt_mode_sense(sata_pkt_txlate_t *spx) 4118 { 4119 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 4120 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 4121 sata_drive_info_t *sdinfo; 4122 sata_id_t *sata_id; 4123 struct scsi_extended_sense *sense; 4124 int len, bdlen, count, alc_len; 4125 int pc; /* Page Control code */ 4126 uint8_t *buf; /* mode sense buffer */ 4127 int rval; 4128 4129 SATADBG2(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4130 "sata_txlt_mode_sense, pc %x page code 0x%02x\n", 4131 spx->txlt_scsi_pkt->pkt_cdbp[2] >> 6, 4132 spx->txlt_scsi_pkt->pkt_cdbp[2] & 0x3f); 4133 4134 buf = kmem_zalloc(1024, KM_SLEEP); 4135 4136 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 4137 4138 if ((rval = sata_txlt_generic_pkt_info(spx)) != TRAN_ACCEPT) { 4139 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4140 kmem_free(buf, 1024); 4141 return (rval); 4142 } 4143 4144 scsipkt->pkt_reason = CMD_CMPLT; 4145 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 4146 STATE_SENT_CMD | STATE_GOT_STATUS; 4147 4148 pc = scsipkt->pkt_cdbp[2] >> 6; 4149 4150 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { 4151 len = 0; 4152 bdlen = 0; 4153 if (!(scsipkt->pkt_cdbp[1] & 8)) { 4154 if (scsipkt->pkt_cdbp[0] == SCMD_MODE_SENSE_G1 && 4155 (scsipkt->pkt_cdbp[0] & 0x10)) 4156 bdlen = 16; 4157 else 4158 bdlen = 8; 4159 } 4160 /* Build mode parameter header */ 4161 if (spx->txlt_scsi_pkt->pkt_cdbp[0] == SCMD_MODE_SENSE) { 4162 /* 4-byte mode parameter header */ 4163 buf[len++] = 0; /* mode data length */ 4164 buf[len++] = 0; /* medium type */ 4165 buf[len++] = 0; /* dev-specific param */ 4166 buf[len++] = bdlen; /* Block Descriptor length */ 4167 } else { 4168 /* 8-byte mode parameter header */ 4169 buf[len++] = 0; /* mode data length */ 4170 buf[len++] = 0; 4171 buf[len++] = 0; /* medium type */ 4172 buf[len++] = 0; /* dev-specific param */ 4173 if (bdlen == 16) 4174 buf[len++] = 1; /* long lba descriptor */ 4175 else 4176 buf[len++] = 0; 4177 buf[len++] = 0; 4178 buf[len++] = 0; /* Block Descriptor length */ 4179 buf[len++] = bdlen; 4180 } 4181 4182 sdinfo = sata_get_device_info( 4183 spx->txlt_sata_hba_inst, 4184 &spx->txlt_sata_pkt->satapkt_device); 4185 4186 /* Build block descriptor only if not disabled (DBD) */ 4187 if ((scsipkt->pkt_cdbp[1] & 0x08) == 0) { 4188 /* Block descriptor - direct-access device format */ 4189 if (bdlen == 8) { 4190 /* build regular block descriptor */ 4191 buf[len++] = 4192 (sdinfo->satadrv_capacity >> 24) & 0xff; 4193 buf[len++] = 4194 (sdinfo->satadrv_capacity >> 16) & 0xff; 4195 buf[len++] = 4196 (sdinfo->satadrv_capacity >> 8) & 0xff; 4197 buf[len++] = sdinfo->satadrv_capacity & 0xff; 4198 buf[len++] = 0; /* density code */ 4199 buf[len++] = 0; 4200 if (sdinfo->satadrv_type == 4201 SATA_DTYPE_ATADISK) 4202 buf[len++] = 2; 4203 else 4204 /* ATAPI */ 4205 buf[len++] = 8; 4206 buf[len++] = 0; 4207 } else if (bdlen == 16) { 4208 /* Long LBA Accepted */ 4209 /* build long lba block descriptor */ 4210 #ifndef __lock_lint 4211 buf[len++] = 4212 (sdinfo->satadrv_capacity >> 56) & 0xff; 4213 buf[len++] = 4214 (sdinfo->satadrv_capacity >> 48) & 0xff; 4215 buf[len++] = 4216 (sdinfo->satadrv_capacity >> 40) & 0xff; 4217 buf[len++] = 4218 (sdinfo->satadrv_capacity >> 32) & 0xff; 4219 #endif 4220 buf[len++] = 4221 (sdinfo->satadrv_capacity >> 24) & 0xff; 4222 buf[len++] = 4223 (sdinfo->satadrv_capacity >> 16) & 0xff; 4224 buf[len++] = 4225 (sdinfo->satadrv_capacity >> 8) & 0xff; 4226 buf[len++] = sdinfo->satadrv_capacity & 0xff; 4227 buf[len++] = 0; 4228 buf[len++] = 0; /* density code */ 4229 buf[len++] = 0; 4230 buf[len++] = 0; 4231 if (sdinfo->satadrv_type == 4232 SATA_DTYPE_ATADISK) 4233 buf[len++] = 2; 4234 else 4235 /* ATAPI */ 4236 buf[len++] = 8; 4237 buf[len++] = 0; 4238 } 4239 } 4240 4241 sata_id = &sdinfo->satadrv_id; 4242 4243 /* 4244 * Add requested pages. 4245 * Page 3 and 4 are obsolete and we are not supporting them. 4246 * We deal now with: 4247 * caching (read/write cache control). 4248 * We should eventually deal with following mode pages: 4249 * error recovery (0x01), 4250 * power condition (0x1a), 4251 * exception control page (enables SMART) (0x1c), 4252 * enclosure management (ses), 4253 * protocol-specific port mode (port control). 4254 */ 4255 switch (scsipkt->pkt_cdbp[2] & 0x3f) { 4256 case MODEPAGE_RW_ERRRECOV: 4257 /* DAD_MODE_ERR_RECOV */ 4258 /* R/W recovery */ 4259 len += sata_build_msense_page_1(sdinfo, pc, buf+len); 4260 break; 4261 case MODEPAGE_CACHING: 4262 /* DAD_MODE_CACHE */ 4263 /* Reject not supported request for saved parameters */ 4264 if (pc == 3) { 4265 *scsipkt->pkt_scbp = STATUS_CHECK; 4266 sense = sata_arq_sense(spx); 4267 sense->es_key = KEY_ILLEGAL_REQUEST; 4268 sense->es_add_code = 4269 SD_SCSI_SAVING_PARAMS_NOT_SUP; 4270 goto done; 4271 } 4272 4273 /* caching */ 4274 len += sata_build_msense_page_8(sdinfo, pc, buf+len); 4275 break; 4276 case MODEPAGE_INFO_EXCPT: 4277 /* exception cntrl */ 4278 if (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED) { 4279 len += sata_build_msense_page_1c(sdinfo, pc, 4280 buf+len); 4281 } 4282 else 4283 goto err; 4284 break; 4285 case MODEPAGE_POWER_COND: 4286 /* DAD_MODE_POWER_COND */ 4287 /* power condition */ 4288 len += sata_build_msense_page_1a(sdinfo, pc, buf+len); 4289 break; 4290 case MODEPAGE_ALLPAGES: 4291 /* all pages */ 4292 len += sata_build_msense_page_1(sdinfo, pc, buf+len); 4293 len += sata_build_msense_page_8(sdinfo, pc, buf+len); 4294 len += sata_build_msense_page_1a(sdinfo, pc, buf+len); 4295 if (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED) { 4296 len += sata_build_msense_page_1c(sdinfo, pc, 4297 buf+len); 4298 } 4299 break; 4300 default: 4301 err: 4302 /* Invalid request */ 4303 *scsipkt->pkt_scbp = STATUS_CHECK; 4304 sense = sata_arq_sense(spx); 4305 sense->es_key = KEY_ILLEGAL_REQUEST; 4306 sense->es_add_code = SD_SCSI_INVALID_FIELD_IN_CDB; 4307 goto done; 4308 } 4309 4310 /* fix total mode data length */ 4311 if (spx->txlt_scsi_pkt->pkt_cdbp[0] == SCMD_MODE_SENSE) { 4312 /* 4-byte mode parameter header */ 4313 buf[0] = len - 1; /* mode data length */ 4314 } else { 4315 buf[0] = (len -2) >> 8; 4316 buf[1] = (len -2) & 0xff; 4317 } 4318 4319 4320 /* Check allocation length */ 4321 if (scsipkt->pkt_cdbp[0] == SCMD_MODE_SENSE) { 4322 alc_len = scsipkt->pkt_cdbp[4]; 4323 } else { 4324 alc_len = scsipkt->pkt_cdbp[7]; 4325 alc_len = (len << 8) | scsipkt->pkt_cdbp[8]; 4326 } 4327 /* 4328 * We do not check for possible parameters truncation 4329 * (alc_len < len) assuming that the target driver works 4330 * correctly. Just avoiding overrun. 4331 * Copy no more than requested and possible, buffer-wise. 4332 */ 4333 count = MIN(alc_len, len); 4334 count = MIN(bp->b_bcount, count); 4335 bcopy(buf, bp->b_un.b_addr, count); 4336 4337 scsipkt->pkt_state |= STATE_XFERRED_DATA; 4338 scsipkt->pkt_resid = alc_len > count ? alc_len - count : 0; 4339 } 4340 *scsipkt->pkt_scbp = STATUS_GOOD; 4341 done: 4342 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4343 (void) kmem_free(buf, 1024); 4344 4345 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4346 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 4347 4348 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 4349 scsipkt->pkt_comp != NULL) 4350 /* scsi callback required */ 4351 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 4352 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 4353 TQ_SLEEP) == 0) 4354 /* Scheduling the callback failed */ 4355 return (TRAN_BUSY); 4356 4357 return (TRAN_ACCEPT); 4358 } 4359 4360 4361 /* 4362 * SATA translate command: Mode Select. 4363 * Translated into appropriate SATA command or emulated. 4364 * Saving parameters is not supported. 4365 * Changing device capacity is not supported (although theoretically 4366 * possible by executing SET FEATURES/SET MAX ADDRESS) 4367 * 4368 * Assumption is that the target driver is working correctly. 4369 * 4370 * More than one SATA command may be executed to perform operations specified 4371 * by mode select pages. The first error terminates further execution. 4372 * Operations performed successully are not backed-up in such case. 4373 * 4374 * NOTE: only caching mode select page is implemented. 4375 * Caching setup is remembered so it could be re-stored in case of 4376 * an unexpected device reset. 4377 * 4378 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 4379 */ 4380 4381 static int 4382 sata_txlt_mode_select(sata_pkt_txlate_t *spx) 4383 { 4384 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 4385 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 4386 struct scsi_extended_sense *sense; 4387 int len, pagelen, count, pllen; 4388 uint8_t *buf; /* mode select buffer */ 4389 int rval, stat; 4390 uint_t nointr_flag; 4391 int dmod = 0; 4392 4393 SATADBG2(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4394 "sata_txlt_mode_select, pc %x page code 0x%02x\n", 4395 spx->txlt_scsi_pkt->pkt_cdbp[2] >> 6, 4396 spx->txlt_scsi_pkt->pkt_cdbp[2] & 0x3f); 4397 4398 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 4399 4400 if ((rval = sata_txlt_generic_pkt_info(spx)) != TRAN_ACCEPT) { 4401 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4402 return (rval); 4403 } 4404 4405 rval = TRAN_ACCEPT; 4406 4407 scsipkt->pkt_reason = CMD_CMPLT; 4408 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 4409 STATE_SENT_CMD | STATE_GOT_STATUS; 4410 4411 /* Reject not supported request */ 4412 if (! (scsipkt->pkt_cdbp[1] & 0x10)) { /* No support for PF bit = 0 */ 4413 *scsipkt->pkt_scbp = STATUS_CHECK; 4414 sense = sata_arq_sense(spx); 4415 sense->es_key = KEY_ILLEGAL_REQUEST; 4416 sense->es_add_code = SD_SCSI_INVALID_FIELD_IN_CDB; 4417 goto done; 4418 } 4419 4420 if (scsipkt->pkt_cdbp[0] == SCMD_MODE_SELECT) { 4421 pllen = scsipkt->pkt_cdbp[4]; 4422 } else { 4423 pllen = scsipkt->pkt_cdbp[7]; 4424 pllen = (pllen << 8) | scsipkt->pkt_cdbp[7]; 4425 } 4426 4427 *scsipkt->pkt_scbp = STATUS_GOOD; /* Presumed outcome */ 4428 4429 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount && pllen != 0) { 4430 buf = (uint8_t *)bp->b_un.b_addr; 4431 count = MIN(bp->b_bcount, pllen); 4432 scsipkt->pkt_state |= STATE_XFERRED_DATA; 4433 scsipkt->pkt_resid = 0; 4434 pllen = count; 4435 4436 /* 4437 * Check the header to skip the block descriptor(s) - we 4438 * do not support setting device capacity. 4439 * Existing macros do not recognize long LBA dscriptor, 4440 * hence manual calculation. 4441 */ 4442 if (scsipkt->pkt_cdbp[0] == SCMD_MODE_SELECT) { 4443 /* 6-bytes CMD, 4 bytes header */ 4444 if (count <= 4) 4445 goto done; /* header only */ 4446 len = buf[3] + 4; 4447 } else { 4448 /* 10-bytes CMD, 8 bytes header */ 4449 if (count <= 8) 4450 goto done; /* header only */ 4451 len = buf[6]; 4452 len = (len << 8) + buf[7] + 8; 4453 } 4454 if (len >= count) 4455 goto done; /* header + descriptor(s) only */ 4456 4457 pllen -= len; /* remaining data length */ 4458 4459 /* 4460 * We may be executing SATA command and want to execute it 4461 * in SYNCH mode, regardless of scsi_pkt setting. 4462 * Save scsi_pkt setting and indicate SYNCH mode 4463 */ 4464 nointr_flag = scsipkt->pkt_flags & FLAG_NOINTR; 4465 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 4466 scsipkt->pkt_comp != NULL) { 4467 scsipkt->pkt_flags |= FLAG_NOINTR; 4468 } 4469 spx->txlt_sata_pkt->satapkt_op_mode = SATA_OPMODE_SYNCH; 4470 4471 /* 4472 * len is now the offset to a first mode select page 4473 * Process all pages 4474 */ 4475 while (pllen > 0) { 4476 switch ((int)buf[len]) { 4477 case MODEPAGE_CACHING: 4478 /* No support for SP (saving) */ 4479 if (scsipkt->pkt_cdbp[1] & 0x01) { 4480 *scsipkt->pkt_scbp = STATUS_CHECK; 4481 sense = sata_arq_sense(spx); 4482 sense->es_key = KEY_ILLEGAL_REQUEST; 4483 sense->es_add_code = 4484 SD_SCSI_INVALID_FIELD_IN_CDB; 4485 goto done; 4486 } 4487 stat = sata_mode_select_page_8(spx, 4488 (struct mode_cache_scsi3 *)&buf[len], 4489 pllen, &pagelen, &rval, &dmod); 4490 /* 4491 * The pagelen value indicates the number of 4492 * parameter bytes already processed. 4493 * The rval is the return value from 4494 * sata_tran_start(). 4495 * The stat indicates the overall status of 4496 * the operation(s). 4497 */ 4498 if (stat != SATA_SUCCESS) 4499 /* 4500 * Page processing did not succeed - 4501 * all error info is already set-up, 4502 * just return 4503 */ 4504 pllen = 0; /* this breaks the loop */ 4505 else { 4506 len += pagelen; 4507 pllen -= pagelen; 4508 } 4509 break; 4510 4511 case MODEPAGE_INFO_EXCPT: 4512 stat = sata_mode_select_page_1c(spx, 4513 (struct mode_info_excpt_page *)&buf[len], 4514 pllen, &pagelen, &rval, &dmod); 4515 /* 4516 * The pagelen value indicates the number of 4517 * parameter bytes already processed. 4518 * The rval is the return value from 4519 * sata_tran_start(). 4520 * The stat indicates the overall status of 4521 * the operation(s). 4522 */ 4523 if (stat != SATA_SUCCESS) 4524 /* 4525 * Page processing did not succeed - 4526 * all error info is already set-up, 4527 * just return 4528 */ 4529 pllen = 0; /* this breaks the loop */ 4530 else { 4531 len += pagelen; 4532 pllen -= pagelen; 4533 } 4534 break; 4535 4536 default: 4537 *scsipkt->pkt_scbp = STATUS_CHECK; 4538 sense = sata_arq_sense(spx); 4539 sense->es_key = KEY_ILLEGAL_REQUEST; 4540 sense->es_add_code = 4541 SD_SCSI_INVALID_FIELD_IN_PARAMETER_LIST; 4542 goto done; 4543 } 4544 } 4545 } 4546 done: 4547 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4548 /* 4549 * If device parameters were modified, fetch and store the new 4550 * Identify Device data. Since port mutex could have been released 4551 * for accessing HBA driver, we need to re-check device existence. 4552 */ 4553 if (dmod != 0) { 4554 sata_drive_info_t new_sdinfo, *sdinfo; 4555 int rv; 4556 4557 new_sdinfo.satadrv_addr = 4558 spx->txlt_sata_pkt->satapkt_device.satadev_addr; 4559 rv = sata_fetch_device_identify_data(spx->txlt_sata_hba_inst, 4560 &new_sdinfo); 4561 4562 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 4563 /* 4564 * Since port mutex could have been released when 4565 * accessing HBA driver, we need to re-check that the 4566 * framework still holds the device info structure. 4567 */ 4568 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 4569 &spx->txlt_sata_pkt->satapkt_device); 4570 if (sdinfo != NULL) { 4571 /* 4572 * Device still has info structure in the 4573 * sata framework. Copy newly fetched info 4574 */ 4575 if (rv == 0) { 4576 sdinfo->satadrv_id = new_sdinfo.satadrv_id; 4577 sata_save_drive_settings(sdinfo); 4578 } else { 4579 /* 4580 * Could not fetch new data - invalidate 4581 * sata_drive_info. That makes device 4582 * unusable. 4583 */ 4584 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 4585 sdinfo->satadrv_state = SATA_STATE_UNKNOWN; 4586 } 4587 } 4588 if (rv != 0 || sdinfo == NULL) { 4589 /* 4590 * This changes the overall mode select completion 4591 * reason to a failed one !!!!! 4592 */ 4593 *scsipkt->pkt_scbp = STATUS_CHECK; 4594 sense = sata_arq_sense(spx); 4595 scsipkt->pkt_reason = CMD_INCOMPLETE; 4596 rval = TRAN_ACCEPT; 4597 } 4598 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4599 } 4600 /* Restore the scsi pkt flags */ 4601 scsipkt->pkt_flags &= ~FLAG_NOINTR; 4602 scsipkt->pkt_flags |= nointr_flag; 4603 4604 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4605 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 4606 4607 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 4608 scsipkt->pkt_comp != NULL) 4609 /* scsi callback required */ 4610 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 4611 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 4612 TQ_SLEEP) == 0) 4613 /* Scheduling the callback failed */ 4614 return (TRAN_BUSY); 4615 4616 return (rval); 4617 } 4618 4619 4620 4621 /* 4622 * Translate command: Log Sense 4623 */ 4624 static int 4625 sata_txlt_log_sense(sata_pkt_txlate_t *spx) 4626 { 4627 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 4628 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 4629 sata_drive_info_t *sdinfo; 4630 struct scsi_extended_sense *sense; 4631 int len, count, alc_len; 4632 int pc; /* Page Control code */ 4633 int page_code; /* Page code */ 4634 uint8_t *buf; /* log sense buffer */ 4635 int rval; 4636 #define MAX_LOG_SENSE_PAGE_SIZE 512 4637 4638 SATADBG2(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4639 "sata_txlt_log_sense, pc 0x%x, page code 0x%x\n", 4640 spx->txlt_scsi_pkt->pkt_cdbp[2] >> 6, 4641 spx->txlt_scsi_pkt->pkt_cdbp[2] & 0x3f); 4642 4643 buf = kmem_zalloc(MAX_LOG_SENSE_PAGE_SIZE, KM_SLEEP); 4644 4645 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 4646 4647 if ((rval = sata_txlt_generic_pkt_info(spx)) != TRAN_ACCEPT) { 4648 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4649 kmem_free(buf, MAX_LOG_SENSE_PAGE_SIZE); 4650 return (rval); 4651 } 4652 4653 scsipkt->pkt_reason = CMD_CMPLT; 4654 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 4655 STATE_SENT_CMD | STATE_GOT_STATUS; 4656 4657 pc = scsipkt->pkt_cdbp[2] >> 6; 4658 page_code = scsipkt->pkt_cdbp[2] & 0x3f; 4659 4660 /* Reject not supported request for all but cumulative values */ 4661 switch (pc) { 4662 case PC_CUMULATIVE_VALUES: 4663 break; 4664 default: 4665 *scsipkt->pkt_scbp = STATUS_CHECK; 4666 sense = sata_arq_sense(spx); 4667 sense->es_key = KEY_ILLEGAL_REQUEST; 4668 sense->es_add_code = SD_SCSI_INVALID_FIELD_IN_CDB; 4669 goto done; 4670 } 4671 4672 switch (page_code) { 4673 case PAGE_CODE_GET_SUPPORTED_LOG_PAGES: 4674 case PAGE_CODE_SELF_TEST_RESULTS: 4675 case PAGE_CODE_INFORMATION_EXCEPTIONS: 4676 case PAGE_CODE_SMART_READ_DATA: 4677 break; 4678 default: 4679 *scsipkt->pkt_scbp = STATUS_CHECK; 4680 sense = sata_arq_sense(spx); 4681 sense->es_key = KEY_ILLEGAL_REQUEST; 4682 sense->es_add_code = SD_SCSI_INVALID_FIELD_IN_CDB; 4683 goto done; 4684 } 4685 4686 if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { 4687 sata_id_t *sata_id; 4688 len = 0; 4689 4690 /* Build log parameter header */ 4691 buf[len++] = page_code; /* page code as in the CDB */ 4692 buf[len++] = 0; /* reserved */ 4693 buf[len++] = 0; /* Zero out page length for now (MSB) */ 4694 buf[len++] = 0; /* (LSB) */ 4695 4696 sdinfo = sata_get_device_info( 4697 spx->txlt_sata_hba_inst, 4698 &spx->txlt_sata_pkt->satapkt_device); 4699 4700 4701 /* 4702 * Add requested pages. 4703 */ 4704 switch (page_code) { 4705 case PAGE_CODE_GET_SUPPORTED_LOG_PAGES: 4706 len = sata_build_lsense_page_0(sdinfo, buf + len); 4707 break; 4708 case PAGE_CODE_SELF_TEST_RESULTS: 4709 sata_id = &sdinfo->satadrv_id; 4710 if ((! (sata_id->ai_cmdset84 & 4711 SATA_SMART_SELF_TEST_SUPPORTED)) || 4712 (! (sata_id->ai_features87 & 4713 SATA_SMART_SELF_TEST_SUPPORTED))) { 4714 *scsipkt->pkt_scbp = STATUS_CHECK; 4715 sense = sata_arq_sense(spx); 4716 sense->es_key = KEY_ILLEGAL_REQUEST; 4717 sense->es_add_code = 4718 SD_SCSI_INVALID_FIELD_IN_CDB; 4719 4720 goto done; 4721 } 4722 len = sata_build_lsense_page_10(sdinfo, buf + len, 4723 spx->txlt_sata_hba_inst); 4724 break; 4725 case PAGE_CODE_INFORMATION_EXCEPTIONS: 4726 sata_id = &sdinfo->satadrv_id; 4727 if (! (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED)) { 4728 *scsipkt->pkt_scbp = STATUS_CHECK; 4729 sense = sata_arq_sense(spx); 4730 sense->es_key = KEY_ILLEGAL_REQUEST; 4731 sense->es_add_code = 4732 SD_SCSI_INVALID_FIELD_IN_CDB; 4733 4734 goto done; 4735 } 4736 if (! (sata_id->ai_features85 & SATA_SMART_ENABLED)) { 4737 *scsipkt->pkt_scbp = STATUS_CHECK; 4738 sense = sata_arq_sense(spx); 4739 sense->es_key = KEY_ABORTED_COMMAND; 4740 sense->es_add_code = 4741 SCSI_ASC_ATA_DEV_FEAT_NOT_ENABLED; 4742 sense->es_qual_code = 4743 SCSI_ASCQ_ATA_DEV_FEAT_NOT_ENABLED; 4744 4745 goto done; 4746 } 4747 4748 len = sata_build_lsense_page_2f(sdinfo, buf + len, 4749 spx->txlt_sata_hba_inst); 4750 break; 4751 case PAGE_CODE_SMART_READ_DATA: 4752 sata_id = &sdinfo->satadrv_id; 4753 if (! (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED)) { 4754 *scsipkt->pkt_scbp = STATUS_CHECK; 4755 sense = sata_arq_sense(spx); 4756 sense->es_key = KEY_ILLEGAL_REQUEST; 4757 sense->es_add_code = 4758 SD_SCSI_INVALID_FIELD_IN_CDB; 4759 4760 goto done; 4761 } 4762 if (! (sata_id->ai_features85 & SATA_SMART_ENABLED)) { 4763 *scsipkt->pkt_scbp = STATUS_CHECK; 4764 sense = sata_arq_sense(spx); 4765 sense->es_key = KEY_ABORTED_COMMAND; 4766 sense->es_add_code = 4767 SCSI_ASC_ATA_DEV_FEAT_NOT_ENABLED; 4768 sense->es_qual_code = 4769 SCSI_ASCQ_ATA_DEV_FEAT_NOT_ENABLED; 4770 4771 goto done; 4772 } 4773 4774 /* This page doesn't include a page header */ 4775 len = sata_build_lsense_page_30(sdinfo, buf, 4776 spx->txlt_sata_hba_inst); 4777 goto no_header; 4778 default: 4779 /* Invalid request */ 4780 *scsipkt->pkt_scbp = STATUS_CHECK; 4781 sense = sata_arq_sense(spx); 4782 sense->es_key = KEY_ILLEGAL_REQUEST; 4783 sense->es_add_code = SD_SCSI_INVALID_FIELD_IN_CDB; 4784 goto done; 4785 } 4786 4787 /* set parameter log sense data length */ 4788 buf[2] = len >> 8; /* log sense length (MSB) */ 4789 buf[3] = len & 0xff; /* log sense length (LSB) */ 4790 4791 len += SCSI_LOG_PAGE_HDR_LEN; 4792 ASSERT(len <= MAX_LOG_SENSE_PAGE_SIZE); 4793 4794 no_header: 4795 /* Check allocation length */ 4796 alc_len = scsipkt->pkt_cdbp[7]; 4797 alc_len = (len << 8) | scsipkt->pkt_cdbp[8]; 4798 4799 /* 4800 * We do not check for possible parameters truncation 4801 * (alc_len < len) assuming that the target driver works 4802 * correctly. Just avoiding overrun. 4803 * Copy no more than requested and possible, buffer-wise. 4804 */ 4805 count = MIN(alc_len, len); 4806 count = MIN(bp->b_bcount, count); 4807 bcopy(buf, bp->b_un.b_addr, count); 4808 4809 scsipkt->pkt_state |= STATE_XFERRED_DATA; 4810 scsipkt->pkt_resid = alc_len > count ? alc_len - count : 0; 4811 } 4812 *scsipkt->pkt_scbp = STATUS_GOOD; 4813 done: 4814 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4815 (void) kmem_free(buf, MAX_LOG_SENSE_PAGE_SIZE); 4816 4817 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4818 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 4819 4820 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 4821 scsipkt->pkt_comp != NULL) 4822 /* scsi callback required */ 4823 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 4824 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 4825 TQ_SLEEP) == 0) 4826 /* Scheduling the callback failed */ 4827 return (TRAN_BUSY); 4828 4829 return (TRAN_ACCEPT); 4830 } 4831 4832 /* 4833 * Translate command: Log Select 4834 * Not implemented at this time - returns invalid command response. 4835 */ 4836 static int 4837 sata_txlt_log_select(sata_pkt_txlate_t *spx) 4838 { 4839 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 4840 "sata_txlt_log_select\n", NULL); 4841 4842 return (sata_txlt_invalid_command(spx)); 4843 } 4844 4845 4846 /* 4847 * Translate command: Read (various types). 4848 * Translated into appropriate type of ATA READ command 4849 * (NO ATAPI implementation yet). 4850 * Both the device capabilities and requested operation mode are 4851 * considered. 4852 * 4853 * Following scsi cdb fields are ignored: 4854 * rdprotect, dpo, fua, fua_nv, group_number. 4855 * 4856 * If SATA_ENABLE_QUEUING flag is set (in the global SATA HBA framework 4857 * enable variable sata_func_enable), the capability of the controller and 4858 * capability of a device are checked and if both support queueing, read 4859 * request will be translated to READ_DMA_QUEUEING or READ_DMA_QUEUEING_EXT 4860 * command rather than plain READ_XXX command. 4861 * If SATA_ENABLE_NCQ flag is set in addition to SATA_ENABLE_QUEUING flag and 4862 * both the controller and device suport such functionality, the read 4863 * request will be translated to READ_FPDMA_QUEUED command. 4864 * 4865 * Returns TRAN_ACCEPT or code returned by sata_hba_start() and 4866 * appropriate values in scsi_pkt fields. 4867 */ 4868 static int 4869 sata_txlt_read(sata_pkt_txlate_t *spx) 4870 { 4871 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 4872 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 4873 sata_drive_info_t *sdinfo; 4874 sata_hba_inst_t *shi = SATA_TXLT_HBA_INST(spx); 4875 int cport = SATA_TXLT_CPORT(spx); 4876 uint16_t sec_count; 4877 uint64_t lba; 4878 int rval; 4879 int synch; 4880 4881 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 4882 4883 if ((rval = sata_txlt_generic_pkt_info(spx)) != TRAN_ACCEPT) { 4884 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4885 return (rval); 4886 } 4887 4888 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 4889 &spx->txlt_sata_pkt->satapkt_device); 4890 4891 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 4892 /* 4893 * Build cmd block depending on the device capability and 4894 * requested operation mode. 4895 * Do not bother with non-dma mode. 4896 */ 4897 switch ((uint_t)scsipkt->pkt_cdbp[0]) { 4898 case SCMD_READ: 4899 /* 6-byte scsi read cmd : 0x08 */ 4900 lba = (scsipkt->pkt_cdbp[1] & 0x1f); 4901 lba = (lba << 8) | scsipkt->pkt_cdbp[2]; 4902 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4903 sec_count = scsipkt->pkt_cdbp[4]; 4904 /* sec_count 0 will be interpreted as 256 by a device */ 4905 break; 4906 case SCMD_READ_G1: 4907 /* 10-bytes scsi read command : 0x28 */ 4908 lba = scsipkt->pkt_cdbp[2]; 4909 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4910 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 4911 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 4912 sec_count = scsipkt->pkt_cdbp[7]; 4913 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[8]; 4914 break; 4915 case SCMD_READ_G5: 4916 /* 12-bytes scsi read command : 0xA8 */ 4917 lba = scsipkt->pkt_cdbp[2]; 4918 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4919 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 4920 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 4921 sec_count = scsipkt->pkt_cdbp[6]; 4922 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[7]; 4923 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[8]; 4924 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[9]; 4925 break; 4926 case SCMD_READ_G4: 4927 /* 16-bytes scsi read command : 0x88 */ 4928 lba = scsipkt->pkt_cdbp[2]; 4929 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 4930 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 4931 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 4932 lba = (lba << 8) | scsipkt->pkt_cdbp[6]; 4933 lba = (lba << 8) | scsipkt->pkt_cdbp[7]; 4934 lba = (lba << 8) | scsipkt->pkt_cdbp[8]; 4935 lba = (lba << 8) | scsipkt->pkt_cdbp[9]; 4936 sec_count = scsipkt->pkt_cdbp[10]; 4937 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[11]; 4938 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[12]; 4939 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[13]; 4940 break; 4941 default: 4942 /* Unsupported command */ 4943 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4944 return (sata_txlt_invalid_command(spx)); 4945 } 4946 4947 /* 4948 * Check if specified address exceeds device capacity 4949 */ 4950 if ((lba >= sdinfo->satadrv_capacity) || 4951 ((lba + sec_count) > sdinfo->satadrv_capacity)) { 4952 /* LBA out of range */ 4953 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 4954 return (sata_txlt_lba_out_of_range(spx)); 4955 } 4956 4957 scmd->satacmd_addr_type = ATA_ADDR_LBA; 4958 scmd->satacmd_device_reg = SATA_ADH_LBA; 4959 scmd->satacmd_cmd_reg = SATAC_READ_DMA; 4960 if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) { 4961 scmd->satacmd_addr_type = ATA_ADDR_LBA48; 4962 scmd->satacmd_cmd_reg = SATAC_READ_DMA_EXT; 4963 scmd->satacmd_sec_count_msb = sec_count >> 8; 4964 #ifndef __lock_lint 4965 scmd->satacmd_lba_low_msb = (lba >> 24) & 0xff; 4966 scmd->satacmd_lba_mid_msb = (lba >> 32) & 0xff; 4967 scmd->satacmd_lba_high_msb = lba >> 40; 4968 #endif 4969 } else if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA28) { 4970 scmd->satacmd_addr_type = ATA_ADDR_LBA28; 4971 scmd->satacmd_device_reg = SATA_ADH_LBA | ((lba >> 24) & 0xf); 4972 } 4973 scmd->satacmd_sec_count_lsb = sec_count & 0xff; 4974 scmd->satacmd_lba_low_lsb = lba & 0xff; 4975 scmd->satacmd_lba_mid_lsb = (lba >> 8) & 0xff; 4976 scmd->satacmd_lba_high_lsb = (lba >> 16) & 0xff; 4977 scmd->satacmd_features_reg = 0; 4978 scmd->satacmd_status_reg = 0; 4979 scmd->satacmd_error_reg = 0; 4980 4981 /* 4982 * Check if queueing commands should be used and switch 4983 * to appropriate command if possible 4984 */ 4985 if (sata_func_enable & SATA_ENABLE_QUEUING) { 4986 boolean_t using_queuing; 4987 4988 /* Queuing supported by controller and device? */ 4989 if ((sata_func_enable & SATA_ENABLE_NCQ) && 4990 (sdinfo->satadrv_features_support & 4991 SATA_DEV_F_NCQ) && 4992 (SATA_FEATURES(spx->txlt_sata_hba_inst) & 4993 SATA_CTLF_NCQ)) { 4994 using_queuing = B_TRUE; 4995 4996 /* NCQ supported - use FPDMA READ */ 4997 scmd->satacmd_cmd_reg = 4998 SATAC_READ_FPDMA_QUEUED; 4999 scmd->satacmd_features_reg_ext = 5000 scmd->satacmd_sec_count_msb; 5001 scmd->satacmd_sec_count_msb = 0; 5002 scmd->satacmd_rle_sata_cmd = &sata_rle_cmd; 5003 } else if ((sdinfo->satadrv_features_support & 5004 SATA_DEV_F_TCQ) && 5005 (SATA_FEATURES(spx->txlt_sata_hba_inst) & 5006 SATA_CTLF_QCMD)) { 5007 using_queuing = B_TRUE; 5008 5009 /* Legacy queueing */ 5010 if (sdinfo->satadrv_features_support & 5011 SATA_DEV_F_LBA48) { 5012 scmd->satacmd_cmd_reg = 5013 SATAC_READ_DMA_QUEUED_EXT; 5014 scmd->satacmd_features_reg_ext = 5015 scmd->satacmd_sec_count_msb; 5016 scmd->satacmd_sec_count_msb = 0; 5017 } else { 5018 scmd->satacmd_cmd_reg = 5019 SATAC_READ_DMA_QUEUED; 5020 } 5021 } else /* Queuing not supported */ 5022 using_queuing = B_FALSE; 5023 5024 /* 5025 * If queuing, the sector count goes in the features register 5026 * and the secount count will contain the tag. 5027 */ 5028 if (using_queuing) { 5029 scmd->satacmd_features_reg = 5030 scmd->satacmd_sec_count_lsb; 5031 scmd->satacmd_sec_count_lsb = 0; 5032 scmd->satacmd_flags.sata_queued = B_TRUE; 5033 } 5034 } 5035 5036 SATADBG3(SATA_DBG_HBA_IF, spx->txlt_sata_hba_inst, 5037 "sata_txlt_read cmd 0x%2x, lba %llx, sec count %x\n", 5038 scmd->satacmd_cmd_reg, lba, sec_count); 5039 5040 if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { 5041 /* Need callback function */ 5042 spx->txlt_sata_pkt->satapkt_comp = sata_txlt_rw_completion; 5043 synch = FALSE; 5044 } else 5045 synch = TRUE; 5046 5047 /* Transfer command to HBA */ 5048 if (sata_hba_start(spx, &rval) != 0) { 5049 /* Pkt not accepted for execution */ 5050 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 5051 return (rval); 5052 } 5053 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 5054 /* 5055 * If execution is non-synchronous, 5056 * a callback function will handle potential errors, translate 5057 * the response and will do a callback to a target driver. 5058 * If it was synchronous, check execution status using the same 5059 * framework callback. 5060 */ 5061 if (synch) { 5062 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5063 "synchronous execution status %x\n", 5064 spx->txlt_sata_pkt->satapkt_reason); 5065 sata_txlt_rw_completion(spx->txlt_sata_pkt); 5066 } 5067 return (TRAN_ACCEPT); 5068 } 5069 5070 5071 /* 5072 * SATA translate command: Write (various types) 5073 * Translated into appropriate type of ATA WRITE command 5074 * (NO ATAPI implementation yet). 5075 * Both the device capabilities and requested operation mode are 5076 * considered. 5077 * 5078 * Following scsi cdb fields are ignored: 5079 * rwprotect, dpo, fua, fua_nv, group_number. 5080 * 5081 * Returns TRAN_ACCEPT or code returned by sata_hba_start() and 5082 * appropriate values in scsi_pkt fields. 5083 */ 5084 static int 5085 sata_txlt_write(sata_pkt_txlate_t *spx) 5086 { 5087 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5088 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 5089 sata_drive_info_t *sdinfo; 5090 sata_hba_inst_t *shi = SATA_TXLT_HBA_INST(spx); 5091 int cport = SATA_TXLT_CPORT(spx); 5092 uint16_t sec_count; 5093 uint64_t lba; 5094 int rval; 5095 int synch; 5096 5097 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 5098 5099 if ((rval = sata_txlt_generic_pkt_info(spx)) != TRAN_ACCEPT) { 5100 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 5101 return (rval); 5102 } 5103 5104 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 5105 &spx->txlt_sata_pkt->satapkt_device); 5106 5107 scmd->satacmd_flags.sata_data_direction = SATA_DIR_WRITE; 5108 /* 5109 * Build cmd block depending on the device capability and 5110 * requested operation mode. 5111 * Do not bother with non-dma mode. 5112 */ 5113 switch ((uint_t)scsipkt->pkt_cdbp[0]) { 5114 case SCMD_WRITE: 5115 /* 6-byte scsi read cmd : 0x0A */ 5116 lba = (scsipkt->pkt_cdbp[1] & 0x1f); 5117 lba = (lba << 8) | scsipkt->pkt_cdbp[2]; 5118 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 5119 sec_count = scsipkt->pkt_cdbp[4]; 5120 /* sec_count 0 will be interpreted as 256 by a device */ 5121 break; 5122 case SCMD_WRITE_G1: 5123 /* 10-bytes scsi write command : 0x2A */ 5124 lba = scsipkt->pkt_cdbp[2]; 5125 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 5126 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 5127 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 5128 sec_count = scsipkt->pkt_cdbp[7]; 5129 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[8]; 5130 break; 5131 case SCMD_WRITE_G5: 5132 /* 12-bytes scsi read command : 0xAA */ 5133 lba = scsipkt->pkt_cdbp[2]; 5134 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 5135 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 5136 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 5137 sec_count = scsipkt->pkt_cdbp[6]; 5138 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[7]; 5139 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[8]; 5140 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[9]; 5141 break; 5142 case SCMD_WRITE_G4: 5143 /* 16-bytes scsi write command : 0x8A */ 5144 lba = scsipkt->pkt_cdbp[2]; 5145 lba = (lba << 8) | scsipkt->pkt_cdbp[3]; 5146 lba = (lba << 8) | scsipkt->pkt_cdbp[4]; 5147 lba = (lba << 8) | scsipkt->pkt_cdbp[5]; 5148 lba = (lba << 8) | scsipkt->pkt_cdbp[6]; 5149 lba = (lba << 8) | scsipkt->pkt_cdbp[7]; 5150 lba = (lba << 8) | scsipkt->pkt_cdbp[8]; 5151 lba = (lba << 8) | scsipkt->pkt_cdbp[9]; 5152 sec_count = scsipkt->pkt_cdbp[10]; 5153 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[11]; 5154 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[12]; 5155 sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[13]; 5156 break; 5157 default: 5158 /* Unsupported command */ 5159 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 5160 return (sata_txlt_invalid_command(spx)); 5161 } 5162 5163 /* 5164 * Check if specified address and length exceeds device capacity 5165 */ 5166 if ((lba >= sdinfo->satadrv_capacity) || 5167 ((lba + sec_count) > sdinfo->satadrv_capacity)) { 5168 /* LBA out of range */ 5169 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 5170 return (sata_txlt_lba_out_of_range(spx)); 5171 } 5172 5173 scmd->satacmd_addr_type = ATA_ADDR_LBA; 5174 scmd->satacmd_device_reg = SATA_ADH_LBA; 5175 scmd->satacmd_cmd_reg = SATAC_WRITE_DMA; 5176 if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) { 5177 scmd->satacmd_addr_type = ATA_ADDR_LBA48; 5178 scmd->satacmd_cmd_reg = SATAC_WRITE_DMA_EXT; 5179 scmd->satacmd_sec_count_msb = sec_count >> 8; 5180 scmd->satacmd_lba_low_msb = (lba >> 24) & 0xff; 5181 #ifndef __lock_lint 5182 scmd->satacmd_lba_mid_msb = (lba >> 32) & 0xff; 5183 scmd->satacmd_lba_high_msb = lba >> 40; 5184 #endif 5185 } else if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA28) { 5186 scmd->satacmd_addr_type = ATA_ADDR_LBA28; 5187 scmd->satacmd_device_reg = SATA_ADH_LBA | ((lba >> 24) & 0xf); 5188 } 5189 scmd->satacmd_sec_count_lsb = sec_count & 0xff; 5190 scmd->satacmd_lba_low_lsb = lba & 0xff; 5191 scmd->satacmd_lba_mid_lsb = (lba >> 8) & 0xff; 5192 scmd->satacmd_lba_high_lsb = (lba >> 16) & 0xff; 5193 scmd->satacmd_features_reg = 0; 5194 scmd->satacmd_status_reg = 0; 5195 scmd->satacmd_error_reg = 0; 5196 5197 /* 5198 * Check if queueing commands should be used and switch 5199 * to appropriate command if possible 5200 */ 5201 if (sata_func_enable & SATA_ENABLE_QUEUING) { 5202 boolean_t using_queuing; 5203 5204 /* Queuing supported by controller and device? */ 5205 if ((sata_func_enable & SATA_ENABLE_NCQ) && 5206 (sdinfo->satadrv_features_support & 5207 SATA_DEV_F_NCQ) && 5208 (SATA_FEATURES(spx->txlt_sata_hba_inst) & 5209 SATA_CTLF_NCQ)) { 5210 using_queuing = B_TRUE; 5211 5212 /* NCQ supported - use FPDMA WRITE */ 5213 scmd->satacmd_cmd_reg = 5214 SATAC_WRITE_FPDMA_QUEUED; 5215 scmd->satacmd_features_reg_ext = 5216 scmd->satacmd_sec_count_msb; 5217 scmd->satacmd_sec_count_msb = 0; 5218 scmd->satacmd_rle_sata_cmd = &sata_rle_cmd; 5219 } else if ((sdinfo->satadrv_features_support & 5220 SATA_DEV_F_TCQ) && 5221 (SATA_FEATURES(spx->txlt_sata_hba_inst) & 5222 SATA_CTLF_QCMD)) { 5223 using_queuing = B_TRUE; 5224 5225 /* Legacy queueing */ 5226 if (sdinfo->satadrv_features_support & 5227 SATA_DEV_F_LBA48) { 5228 scmd->satacmd_cmd_reg = 5229 SATAC_WRITE_DMA_QUEUED_EXT; 5230 scmd->satacmd_features_reg_ext = 5231 scmd->satacmd_sec_count_msb; 5232 scmd->satacmd_sec_count_msb = 0; 5233 } else { 5234 scmd->satacmd_cmd_reg = 5235 SATAC_WRITE_DMA_QUEUED; 5236 } 5237 } else /* Queuing not supported */ 5238 using_queuing = B_FALSE; 5239 5240 if (using_queuing) { 5241 scmd->satacmd_features_reg = 5242 scmd->satacmd_sec_count_lsb; 5243 scmd->satacmd_sec_count_lsb = 0; 5244 scmd->satacmd_flags.sata_queued = B_TRUE; 5245 } 5246 } 5247 5248 SATADBG3(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5249 "sata_txlt_write cmd 0x%2x, lba %llx, sec count %x\n", 5250 scmd->satacmd_cmd_reg, lba, sec_count); 5251 5252 if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { 5253 /* Need callback function */ 5254 spx->txlt_sata_pkt->satapkt_comp = sata_txlt_rw_completion; 5255 synch = FALSE; 5256 } else 5257 synch = TRUE; 5258 5259 /* Transfer command to HBA */ 5260 if (sata_hba_start(spx, &rval) != 0) { 5261 /* Pkt not accepted for execution */ 5262 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 5263 return (rval); 5264 } 5265 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 5266 5267 /* 5268 * If execution is non-synchronous, 5269 * a callback function will handle potential errors, translate 5270 * the response and will do a callback to a target driver. 5271 * If it was synchronous, check execution status using the same 5272 * framework callback. 5273 */ 5274 if (synch) { 5275 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5276 "synchronous execution status %x\n", 5277 spx->txlt_sata_pkt->satapkt_reason); 5278 sata_txlt_rw_completion(spx->txlt_sata_pkt); 5279 } 5280 return (TRAN_ACCEPT); 5281 } 5282 5283 5284 /* 5285 * NOTE: NOT FUNCTIONAL IMPLEMENTATION. THIS IS A PLACEHOLDER for the function 5286 * that will be fixed in phase 2 of the development. 5287 * Currently ATAPI is not supported. ATAPI devices are threated as not-valid 5288 * devices. 5289 * This function is not called, since scsi_sata_start() will bail-out prior 5290 * to calling it. 5291 */ 5292 static int 5293 sata_txlt_atapi(sata_pkt_txlate_t *spx) 5294 { 5295 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5296 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 5297 struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 5298 sata_hba_inst_t *shi = SATA_TXLT_HBA_INST(spx); 5299 int cport = SATA_TXLT_CPORT(spx); 5300 int rval; 5301 int synch; 5302 union scsi_cdb *cdbp = (union scsi_cdb *)scsipkt->pkt_cdbp; 5303 5304 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 5305 5306 if ((rval = sata_txlt_generic_pkt_info(spx)) != TRAN_ACCEPT) { 5307 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 5308 return (rval); 5309 } 5310 5311 /* 5312 * scmd->satacmd_flags.sata_data_direction default - 5313 * SATA_DIR_NODATA_XFER - is set by 5314 * sata_txlt_generic_pkt_info(). 5315 */ 5316 if (scmd->satacmd_bp) { 5317 if (scmd->satacmd_bp->b_flags & B_READ) { 5318 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 5319 } else { 5320 scmd->satacmd_flags.sata_data_direction = 5321 SATA_DIR_WRITE; 5322 } 5323 } 5324 5325 scmd->satacmd_acdb_len = scsi_cdb_size[GETGROUP(cdbp)]; 5326 scmd->satacmd_cmd_reg = SATAC_PACKET; 5327 bcopy(cdbp, scmd->satacmd_acdb, 16); 5328 5329 /* 5330 * For non-read/write commands we need to 5331 * map buffer 5332 */ 5333 switch ((uint_t)scsipkt->pkt_cdbp[0]) { 5334 case SCMD_READ: 5335 case SCMD_READ_G1: 5336 case SCMD_READ_G5: 5337 case SCMD_READ_G4: 5338 case SCMD_WRITE: 5339 case SCMD_WRITE_G1: 5340 case SCMD_WRITE_G5: 5341 case SCMD_WRITE_G4: 5342 break; 5343 default: 5344 if (bp->b_flags & (B_PHYS | B_PAGEIO)) 5345 bp_mapin(bp); 5346 break; 5347 } 5348 5349 if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { 5350 /* Need callback function */ 5351 spx->txlt_sata_pkt->satapkt_comp = sata_txlt_atapi_completion; 5352 synch = FALSE; 5353 } else 5354 synch = TRUE; 5355 5356 /* Transfer command to HBA */ 5357 if (sata_hba_start(spx, &rval) != 0) { 5358 /* Pkt not accepted for execution */ 5359 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 5360 return (rval); 5361 } 5362 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 5363 /* 5364 * If execution is non-synchronous, 5365 * a callback function will handle potential errors, translate 5366 * the response and will do a callback to a target driver. 5367 * If it was synchronous, check execution status using the same 5368 * framework callback. 5369 */ 5370 if (synch) { 5371 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5372 "synchronous execution status %x\n", 5373 spx->txlt_sata_pkt->satapkt_reason); 5374 sata_txlt_atapi_completion(spx->txlt_sata_pkt); 5375 } 5376 return (TRAN_ACCEPT); 5377 } 5378 5379 /* 5380 * Translate command: Synchronize Cache. 5381 * Translates into Flush Cache command. 5382 * (NO ATAPI implementation yet). 5383 * 5384 * NOTE: We should check if Flush Cache is supported by the device (ATAPI 5385 * devices) 5386 * 5387 * Returns TRAN_ACCEPT or code returned by sata_hba_start() and 5388 * appropriate values in scsi_pkt fields. 5389 */ 5390 static int 5391 sata_txlt_synchronize_cache(sata_pkt_txlate_t *spx) 5392 { 5393 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 5394 sata_hba_inst_t *shi = SATA_TXLT_HBA_INST(spx); 5395 int cport = SATA_TXLT_CPORT(spx); 5396 int rval; 5397 int synch; 5398 5399 mutex_enter(&(SATA_TXLT_CPORT_MUTEX(spx))); 5400 5401 if ((rval = sata_txlt_generic_pkt_info(spx)) != TRAN_ACCEPT) { 5402 mutex_exit(&(SATA_TXLT_CPORT_MUTEX(spx))); 5403 return (rval); 5404 } 5405 5406 scmd->satacmd_addr_type = 0; 5407 scmd->satacmd_cmd_reg = SATAC_FLUSH_CACHE; 5408 scmd->satacmd_device_reg = 0; 5409 scmd->satacmd_sec_count_lsb = 0; 5410 scmd->satacmd_lba_low_lsb = 0; 5411 scmd->satacmd_lba_mid_lsb = 0; 5412 scmd->satacmd_lba_high_lsb = 0; 5413 scmd->satacmd_features_reg = 0; 5414 scmd->satacmd_status_reg = 0; 5415 scmd->satacmd_error_reg = 0; 5416 5417 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5418 "sata_txlt_synchronize_cache\n", NULL); 5419 5420 if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { 5421 /* Need to set-up a callback function */ 5422 spx->txlt_sata_pkt->satapkt_comp = 5423 sata_txlt_nodata_cmd_completion; 5424 synch = FALSE; 5425 } else 5426 synch = TRUE; 5427 5428 /* Transfer command to HBA */ 5429 if (sata_hba_start(spx, &rval) != 0) { 5430 /* Pkt not accepted for execution */ 5431 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 5432 return (rval); 5433 } 5434 mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); 5435 5436 /* 5437 * If execution non-synchronous, it had to be completed 5438 * a callback function will handle potential errors, translate 5439 * the response and will do a callback to a target driver. 5440 * If it was synchronous, check status, using the same 5441 * framework callback. 5442 */ 5443 if (synch) { 5444 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5445 "synchronous execution status %x\n", 5446 spx->txlt_sata_pkt->satapkt_reason); 5447 sata_txlt_nodata_cmd_completion(spx->txlt_sata_pkt); 5448 } 5449 return (TRAN_ACCEPT); 5450 } 5451 5452 /* 5453 * Send pkt to SATA HBA driver 5454 * 5455 * This function may be called only if the operation is requested by scsi_pkt, 5456 * i.e. scsi_pkt is not NULL. 5457 * 5458 * This function has to be called with cport mutex held. It does release 5459 * the mutex when it calls HBA driver sata_tran_start function and 5460 * re-acquires it afterwards. 5461 * 5462 * If return value is 0, pkt was accepted, -1 otherwise 5463 * rval is set to appropriate sata_scsi_start return value. 5464 * 5465 * Note 1:If HBA driver returns value other than TRAN_ACCEPT, it should not 5466 * have called the sata_pkt callback function for this packet. 5467 * 5468 * The scsi callback has to be performed by the caller of this routine. 5469 * 5470 * Note 2: No port multiplier support for now. 5471 */ 5472 static int 5473 sata_hba_start(sata_pkt_txlate_t *spx, int *rval) 5474 { 5475 int stat; 5476 sata_hba_inst_t *sata_hba_inst = spx->txlt_sata_hba_inst; 5477 sata_drive_info_t *sdinfo; 5478 sata_device_t *sata_device; 5479 uint8_t cmd; 5480 struct sata_cmd_flags cmd_flags; 5481 5482 ASSERT(spx->txlt_sata_pkt != NULL); 5483 ASSERT(mutex_owned(&SATA_CPORT_MUTEX(spx->txlt_sata_hba_inst, 5484 spx->txlt_sata_pkt->satapkt_device.satadev_addr.cport))); 5485 5486 sdinfo = sata_get_device_info(sata_hba_inst, 5487 &spx->txlt_sata_pkt->satapkt_device); 5488 ASSERT(sdinfo != NULL); 5489 5490 /* Clear device reset state? */ 5491 if (sdinfo->satadrv_event_flags & SATA_EVNT_CLEAR_DEVICE_RESET) { 5492 spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags. 5493 sata_clear_dev_reset = B_TRUE; 5494 sdinfo->satadrv_event_flags &= ~SATA_EVNT_CLEAR_DEVICE_RESET; 5495 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 5496 "sata_hba_start: clearing device reset state\n", NULL); 5497 } 5498 cmd = spx->txlt_sata_pkt->satapkt_cmd.satacmd_cmd_reg; 5499 cmd_flags = spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags; 5500 sata_device = &spx->txlt_sata_pkt->satapkt_device; 5501 5502 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 5503 sdinfo->satadrv_addr.cport))); 5504 5505 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5506 "Sata cmd 0x%2x\n", cmd); 5507 5508 stat = (*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), 5509 spx->txlt_sata_pkt); 5510 5511 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 5512 sdinfo->satadrv_addr.cport))); 5513 /* 5514 * If sata pkt was accepted and executed in asynchronous mode, i.e. 5515 * with the sata callback, the sata_pkt could be already destroyed 5516 * by the time we check ther return status from the hba_start() 5517 * function, because sata_scsi_destroy_pkt() could have been already 5518 * called (perhaps in the interrupt context). So, in such case, there 5519 * should be no references to it. In other cases, sata_pkt still 5520 * exists. 5521 */ 5522 switch (stat) { 5523 case SATA_TRAN_ACCEPTED: 5524 /* 5525 * pkt accepted for execution. 5526 * If it was executed synchronously, it is already completed 5527 * and pkt completion_reason indicates completion status. 5528 */ 5529 *rval = TRAN_ACCEPT; 5530 return (0); 5531 5532 case SATA_TRAN_QUEUE_FULL: 5533 /* 5534 * Controller detected queue full condition. 5535 */ 5536 SATADBG1(SATA_DBG_HBA_IF, sata_hba_inst, 5537 "sata_hba_start: queue full\n", NULL); 5538 5539 spx->txlt_scsi_pkt->pkt_reason = CMD_INCOMPLETE; 5540 *spx->txlt_scsi_pkt->pkt_scbp = STATUS_QFULL; 5541 5542 *rval = TRAN_BUSY; 5543 break; 5544 5545 case SATA_TRAN_PORT_ERROR: 5546 /* 5547 * Communication/link with device or general port error 5548 * detected before pkt execution begun. 5549 */ 5550 if (spx->txlt_sata_pkt->satapkt_device.satadev_addr.qual == 5551 SATA_ADDR_CPORT || 5552 spx->txlt_sata_pkt->satapkt_device.satadev_addr.qual == 5553 SATA_ADDR_DCPORT) 5554 sata_log(sata_hba_inst, CE_CONT, 5555 "port %d error", 5556 sata_device->satadev_addr.cport); 5557 else 5558 sata_log(sata_hba_inst, CE_CONT, 5559 "port %d pmport %d error\n", 5560 sata_device->satadev_addr.cport, 5561 sata_device->satadev_addr.pmport); 5562 5563 /* 5564 * Update the port/device structure. 5565 * sata_pkt should be still valid. Since port error is 5566 * returned, sata_device content should reflect port 5567 * state - it means, that sata address have been changed, 5568 * because original packet's sata address refered to a device 5569 * attached to some port. 5570 */ 5571 sata_update_port_info(sata_hba_inst, sata_device); 5572 spx->txlt_scsi_pkt->pkt_reason = CMD_TRAN_ERR; 5573 *rval = TRAN_FATAL_ERROR; 5574 break; 5575 5576 case SATA_TRAN_CMD_UNSUPPORTED: 5577 /* 5578 * Command rejected by HBA as unsupported. It was HBA driver 5579 * that rejected the command, command was not sent to 5580 * an attached device. 5581 */ 5582 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 5583 sdinfo->satadrv_addr.cport))); 5584 (void) sata_txlt_invalid_command(spx); 5585 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 5586 sdinfo->satadrv_addr.cport))); 5587 5588 if (sdinfo->satadrv_state & SATA_DSTATE_RESET) 5589 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 5590 "sat_hba_start: cmd 0x%2x rejected " 5591 "with SATA_TRAN_CMD_UNSUPPORTED status\n", cmd); 5592 5593 *rval = TRAN_ACCEPT; 5594 break; 5595 5596 case SATA_TRAN_BUSY: 5597 /* 5598 * Command rejected by HBA because other operation prevents 5599 * accepting the packet, or device is in RESET condition. 5600 */ 5601 if (sdinfo != NULL) { 5602 sdinfo->satadrv_state = 5603 spx->txlt_sata_pkt->satapkt_device.satadev_state; 5604 5605 if (sdinfo->satadrv_state & SATA_DSTATE_RESET) { 5606 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 5607 "sata_hba_start: cmd 0x%2x rejected " 5608 "because of device reset condition\n", 5609 cmd); 5610 } else { 5611 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 5612 "sata_hba_start: cmd 0x%2x rejected " 5613 "with SATA_TRAN_BUSY status\n", 5614 cmd); 5615 } 5616 } 5617 spx->txlt_scsi_pkt->pkt_reason = CMD_INCOMPLETE; 5618 *rval = TRAN_BUSY; 5619 break; 5620 5621 default: 5622 /* Unrecognized HBA response */ 5623 SATA_LOG_D((sata_hba_inst, CE_WARN, 5624 "sata_hba_start: unrecognized HBA response " 5625 "to cmd : 0x%2x resp 0x%x", cmd, rval)); 5626 spx->txlt_scsi_pkt->pkt_reason = CMD_TRAN_ERR; 5627 *rval = TRAN_FATAL_ERROR; 5628 break; 5629 } 5630 5631 /* 5632 * If we got here, the packet was rejected. 5633 * Check if we need to remember reset state clearing request 5634 */ 5635 if (cmd_flags.sata_clear_dev_reset) { 5636 /* 5637 * Check if device is still configured - it may have 5638 * disapeared from the configuration 5639 */ 5640 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 5641 if (sdinfo != NULL) { 5642 /* 5643 * Restore the flag that requests clearing of 5644 * the device reset state, 5645 * so the next sata packet may carry it to HBA. 5646 */ 5647 sdinfo->satadrv_event_flags |= 5648 SATA_EVNT_CLEAR_DEVICE_RESET; 5649 } 5650 } 5651 return (-1); 5652 } 5653 5654 /* 5655 * Scsi response setup for invalid LBA 5656 * 5657 * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. 5658 */ 5659 static int 5660 sata_txlt_lba_out_of_range(sata_pkt_txlate_t *spx) 5661 { 5662 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5663 struct scsi_extended_sense *sense; 5664 5665 scsipkt->pkt_reason = CMD_CMPLT; 5666 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5667 STATE_SENT_CMD | STATE_GOT_STATUS; 5668 *scsipkt->pkt_scbp = STATUS_CHECK; 5669 5670 *scsipkt->pkt_scbp = STATUS_CHECK; 5671 sense = sata_arq_sense(spx); 5672 sense->es_key = KEY_ILLEGAL_REQUEST; 5673 sense->es_add_code = SD_SCSI_LBA_OUT_OF_RANGE; 5674 5675 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5676 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 5677 5678 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 5679 scsipkt->pkt_comp != NULL) 5680 /* scsi callback required */ 5681 if (taskq_dispatch(SATA_TXLT_TASKQ(spx), 5682 (task_func_t *)scsipkt->pkt_comp, (void *) scsipkt, 5683 TQ_SLEEP) == 0) 5684 /* Scheduling the callback failed */ 5685 return (TRAN_BUSY); 5686 return (TRAN_ACCEPT); 5687 } 5688 5689 5690 /* 5691 * Analyze device status and error registers and translate them into 5692 * appropriate scsi sense codes. 5693 * NOTE: non-packet commands only for now 5694 */ 5695 static void 5696 sata_decode_device_error(sata_pkt_txlate_t *spx, 5697 struct scsi_extended_sense *sense) 5698 { 5699 uint8_t err_reg = spx->txlt_sata_pkt->satapkt_cmd.satacmd_error_reg; 5700 5701 ASSERT(sense != NULL); 5702 ASSERT(spx->txlt_sata_pkt->satapkt_cmd.satacmd_status_reg & 5703 SATA_STATUS_ERR); 5704 5705 5706 if (err_reg & SATA_ERROR_ICRC) { 5707 sense->es_key = KEY_ABORTED_COMMAND; 5708 sense->es_add_code = 0x08; /* Communication failure */ 5709 return; 5710 } 5711 5712 if (err_reg & SATA_ERROR_UNC) { 5713 sense->es_key = KEY_MEDIUM_ERROR; 5714 /* Information bytes (LBA) need to be set by a caller */ 5715 return; 5716 } 5717 5718 /* ADD HERE: MC error bit handling for ATAPI CD/DVD */ 5719 if (err_reg & (SATA_ERROR_MCR | SATA_ERROR_NM)) { 5720 sense->es_key = KEY_UNIT_ATTENTION; 5721 sense->es_add_code = 0x3a; /* No media present */ 5722 return; 5723 } 5724 5725 if (err_reg & SATA_ERROR_IDNF) { 5726 if (err_reg & SATA_ERROR_ABORT) { 5727 sense->es_key = KEY_ABORTED_COMMAND; 5728 } else { 5729 sense->es_key = KEY_ILLEGAL_REQUEST; 5730 sense->es_add_code = 0x21; /* LBA out of range */ 5731 } 5732 return; 5733 } 5734 5735 if (err_reg & SATA_ERROR_ABORT) { 5736 ASSERT(spx->txlt_sata_pkt != NULL); 5737 sense->es_key = KEY_ABORTED_COMMAND; 5738 return; 5739 } 5740 } 5741 5742 /* 5743 * Extract error LBA from sata_pkt.satapkt_cmd register fields 5744 */ 5745 static void 5746 sata_extract_error_lba(sata_pkt_txlate_t *spx, uint64_t *lba) 5747 { 5748 sata_cmd_t *sata_cmd = &spx->txlt_sata_pkt->satapkt_cmd; 5749 5750 *lba = 0; 5751 if (sata_cmd->satacmd_addr_type == ATA_ADDR_LBA48) { 5752 *lba = sata_cmd->satacmd_lba_high_msb; 5753 *lba = (*lba << 8) | sata_cmd->satacmd_lba_mid_msb; 5754 *lba = (*lba << 8) | sata_cmd->satacmd_lba_low_msb; 5755 } else if (sata_cmd->satacmd_addr_type == ATA_ADDR_LBA28) { 5756 *lba = sata_cmd->satacmd_device_reg & 0xf; 5757 } 5758 *lba = (*lba << 8) | sata_cmd->satacmd_lba_high_lsb; 5759 *lba = (*lba << 8) | sata_cmd->satacmd_lba_mid_lsb; 5760 *lba = (*lba << 8) | sata_cmd->satacmd_lba_low_lsb; 5761 } 5762 5763 /* 5764 * This is fixed sense format - if LBA exceeds the info field size, 5765 * no valid info will be returned (valid bit in extended sense will 5766 * be set to 0). 5767 */ 5768 static struct scsi_extended_sense * 5769 sata_arq_sense(sata_pkt_txlate_t *spx) 5770 { 5771 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5772 struct scsi_arq_status *arqs; 5773 struct scsi_extended_sense *sense; 5774 5775 /* Fill ARQ sense data */ 5776 scsipkt->pkt_state |= STATE_ARQ_DONE; 5777 arqs = (struct scsi_arq_status *)scsipkt->pkt_scbp; 5778 *(uchar_t *)&arqs->sts_status = STATUS_CHECK; 5779 *(uchar_t *)&arqs->sts_rqpkt_status = STATUS_GOOD; 5780 arqs->sts_rqpkt_reason = CMD_CMPLT; 5781 arqs->sts_rqpkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5782 STATE_XFERRED_DATA | STATE_SENT_CMD | STATE_GOT_STATUS; 5783 arqs->sts_rqpkt_resid = 0; 5784 sense = &arqs->sts_sensedata; 5785 bzero(sense, sizeof (struct scsi_extended_sense)); 5786 sense->es_valid = 1; /* Valid sense */ 5787 sense->es_class = 7; /* Response code 0x70 - current err */ 5788 sense->es_key = KEY_NO_SENSE; 5789 sense->es_info_1 = 0; 5790 sense->es_info_2 = 0; 5791 sense->es_info_3 = 0; 5792 sense->es_info_4 = 0; 5793 sense->es_add_len = 6; /* Additional length */ 5794 sense->es_cmd_info[0] = 0; 5795 sense->es_cmd_info[1] = 0; 5796 sense->es_cmd_info[2] = 0; 5797 sense->es_cmd_info[3] = 0; 5798 sense->es_add_code = 0; 5799 sense->es_qual_code = 0; 5800 return (sense); 5801 } 5802 5803 5804 /* 5805 * Translate completion status of SATA read/write commands into scsi response. 5806 * pkt completion_reason is checked to determine the completion status. 5807 * Do scsi callback if necessary. 5808 * 5809 * Note: this function may be called also for synchronously executed 5810 * commands. 5811 * This function may be used only if scsi_pkt is non-NULL. 5812 */ 5813 static void 5814 sata_txlt_rw_completion(sata_pkt_t *sata_pkt) 5815 { 5816 sata_pkt_txlate_t *spx = 5817 (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; 5818 sata_cmd_t *scmd = &sata_pkt->satapkt_cmd; 5819 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5820 struct scsi_extended_sense *sense; 5821 uint64_t lba; 5822 struct buf *bp; 5823 int rval; 5824 if (sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) { 5825 /* Normal completion */ 5826 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5827 STATE_SENT_CMD | STATE_XFERRED_DATA | STATE_GOT_STATUS; 5828 scsipkt->pkt_reason = CMD_CMPLT; 5829 *scsipkt->pkt_scbp = STATUS_GOOD; 5830 if (spx->txlt_tmp_buf != NULL) { 5831 /* Temporary buffer was used */ 5832 bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 5833 if (bp->b_flags & B_READ) { 5834 rval = ddi_dma_sync( 5835 spx->txlt_buf_dma_handle, 0, 0, 5836 DDI_DMA_SYNC_FORCPU); 5837 ASSERT(rval == DDI_SUCCESS); 5838 bcopy(spx->txlt_tmp_buf, bp->b_un.b_addr, 5839 bp->b_bcount); 5840 } 5841 } 5842 } else { 5843 /* 5844 * Something went wrong - analyze return 5845 */ 5846 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5847 STATE_SENT_CMD | STATE_GOT_STATUS; 5848 scsipkt->pkt_reason = CMD_INCOMPLETE; 5849 *scsipkt->pkt_scbp = STATUS_CHECK; 5850 sense = sata_arq_sense(spx); 5851 ASSERT(sense != NULL); 5852 5853 /* 5854 * SATA_PKT_DEV_ERROR is the only case where we may be able to 5855 * extract from device registers the failing LBA. 5856 */ 5857 if (sata_pkt->satapkt_reason == SATA_PKT_DEV_ERROR) { 5858 if ((scmd->satacmd_addr_type == ATA_ADDR_LBA48) && 5859 (scmd->satacmd_lba_mid_msb != 0 || 5860 scmd->satacmd_lba_high_msb != 0)) { 5861 /* 5862 * We have problem reporting this cmd LBA 5863 * in fixed sense data format, because of 5864 * the size of the scsi LBA fields. 5865 */ 5866 sense->es_valid = 0; 5867 } else { 5868 sata_extract_error_lba(spx, &lba); 5869 sense->es_info_1 = (lba & 0xFF000000) >> 24; 5870 sense->es_info_2 = (lba & 0xFF0000) >> 16; 5871 sense->es_info_3 = (lba & 0xFF00) >> 8; 5872 sense->es_info_4 = lba & 0xFF; 5873 } 5874 } else { 5875 /* Invalid extended sense info */ 5876 sense->es_valid = 0; 5877 } 5878 5879 switch (sata_pkt->satapkt_reason) { 5880 case SATA_PKT_PORT_ERROR: 5881 /* We may want to handle DEV GONE state as well */ 5882 /* 5883 * We have no device data. Assume no data transfered. 5884 */ 5885 sense->es_key = KEY_HARDWARE_ERROR; 5886 break; 5887 5888 case SATA_PKT_DEV_ERROR: 5889 if (sata_pkt->satapkt_cmd.satacmd_status_reg & 5890 SATA_STATUS_ERR) { 5891 /* 5892 * determine dev error reason from error 5893 * reg content 5894 */ 5895 sata_decode_device_error(spx, sense); 5896 if (sense->es_key == KEY_MEDIUM_ERROR) { 5897 switch (scmd->satacmd_cmd_reg) { 5898 case SATAC_READ_DMA: 5899 case SATAC_READ_DMA_EXT: 5900 case SATAC_READ_DMA_QUEUED: 5901 case SATAC_READ_DMA_QUEUED_EXT: 5902 case SATAC_READ_FPDMA_QUEUED: 5903 /* Unrecovered read error */ 5904 sense->es_add_code = 5905 SD_SCSI_UNREC_READ_ERROR; 5906 break; 5907 case SATAC_WRITE_DMA: 5908 case SATAC_WRITE_DMA_EXT: 5909 case SATAC_WRITE_DMA_QUEUED: 5910 case SATAC_WRITE_DMA_QUEUED_EXT: 5911 case SATAC_WRITE_FPDMA_QUEUED: 5912 /* Write error */ 5913 sense->es_add_code = 5914 SD_SCSI_WRITE_ERROR; 5915 break; 5916 default: 5917 /* Internal error */ 5918 SATA_LOG_D(( 5919 spx->txlt_sata_hba_inst, 5920 CE_WARN, 5921 "sata_txlt_rw_completion :" 5922 "internal error - invalid " 5923 "command 0x%2x", 5924 scmd->satacmd_cmd_reg)); 5925 break; 5926 } 5927 } 5928 break; 5929 } 5930 /* No extended sense key - no info available */ 5931 scsipkt->pkt_reason = CMD_INCOMPLETE; 5932 break; 5933 5934 case SATA_PKT_TIMEOUT: 5935 /* scsipkt->pkt_reason = CMD_TIMEOUT; */ 5936 scsipkt->pkt_reason = CMD_INCOMPLETE; 5937 /* No extended sense key ? */ 5938 break; 5939 5940 case SATA_PKT_ABORTED: 5941 scsipkt->pkt_reason = CMD_ABORTED; 5942 /* No extended sense key ? */ 5943 break; 5944 5945 case SATA_PKT_RESET: 5946 scsipkt->pkt_reason = CMD_RESET; 5947 break; 5948 5949 default: 5950 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 5951 "sata_txlt_rw_completion: " 5952 "invalid packet completion reason")); 5953 scsipkt->pkt_reason = CMD_TRAN_ERR; 5954 break; 5955 } 5956 } 5957 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 5958 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 5959 5960 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 5961 scsipkt->pkt_comp != NULL) 5962 /* scsi callback required */ 5963 (*scsipkt->pkt_comp)(scsipkt); 5964 5965 } 5966 5967 /* 5968 * NON FUNCTIONAL IMPLEMENTATION. THIS IS A PLACE HOLDER. 5969 * ATAPI devices are not supported currently (are not be attached recognized 5970 * as valid devices). 5971 * Will be fixed in phase 2 of the development. 5972 */ 5973 static void 5974 sata_txlt_atapi_completion(sata_pkt_t *sata_pkt) 5975 { 5976 sata_pkt_txlate_t *spx = 5977 (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; 5978 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 5979 struct scsi_arq_status *arqs; 5980 5981 if (sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) { 5982 /* Normal completion */ 5983 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5984 STATE_SENT_CMD | STATE_XFERRED_DATA | STATE_GOT_STATUS; 5985 scsipkt->pkt_reason = CMD_CMPLT; 5986 *scsipkt->pkt_scbp = STATUS_GOOD; 5987 scsipkt->pkt_resid = 0; 5988 } else { 5989 /* 5990 * Something went wrong - analyze return 5991 */ 5992 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 5993 STATE_SENT_CMD | STATE_GOT_STATUS | STATE_ARQ_DONE; 5994 scsipkt->pkt_reason = CMD_CMPLT; 5995 5996 arqs = (struct scsi_arq_status *)scsipkt->pkt_scbp; 5997 *(uchar_t *)&arqs->sts_status = STATUS_CHECK; 5998 *(uchar_t *)&arqs->sts_rqpkt_status = STATUS_GOOD; 5999 arqs->sts_rqpkt_reason = CMD_CMPLT; 6000 arqs->sts_rqpkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 6001 STATE_XFERRED_DATA | STATE_SENT_CMD | STATE_GOT_STATUS; 6002 arqs->sts_rqpkt_resid = 0; 6003 6004 bcopy(sata_pkt->satapkt_cmd.satacmd_rqsense, 6005 &arqs->sts_sensedata, SATA_ATAPI_RQSENSE_LEN); 6006 } 6007 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 6008 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 6009 6010 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 6011 scsipkt->pkt_comp != NULL) { 6012 /* scsi callback required */ 6013 (*scsipkt->pkt_comp)(scsipkt); 6014 } 6015 } 6016 6017 6018 /* 6019 * Translate completion status of non-data commands (i.e. commands returning 6020 * no data). 6021 * pkt completion_reason is checked to determine the completion status. 6022 * Do scsi callback if necessary (FLAG_NOINTR == 0) 6023 * 6024 * Note: this function may be called also for synchronously executed 6025 * commands. 6026 * This function may be used only if scsi_pkt is non-NULL. 6027 */ 6028 6029 static void 6030 sata_txlt_nodata_cmd_completion(sata_pkt_t *sata_pkt) 6031 { 6032 sata_pkt_txlate_t *spx = 6033 (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; 6034 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 6035 struct scsi_extended_sense *sense; 6036 6037 scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | 6038 STATE_SENT_CMD | STATE_GOT_STATUS; 6039 if (sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) { 6040 /* Normal completion */ 6041 scsipkt->pkt_reason = CMD_CMPLT; 6042 *scsipkt->pkt_scbp = STATUS_GOOD; 6043 } else { 6044 /* Something went wrong */ 6045 scsipkt->pkt_reason = CMD_INCOMPLETE; 6046 *scsipkt->pkt_scbp = STATUS_CHECK; 6047 sense = sata_arq_sense(spx); 6048 switch (sata_pkt->satapkt_reason) { 6049 case SATA_PKT_PORT_ERROR: 6050 /* 6051 * We have no device data. Assume no data transfered. 6052 */ 6053 sense->es_key = KEY_HARDWARE_ERROR; 6054 break; 6055 6056 case SATA_PKT_DEV_ERROR: 6057 if (sata_pkt->satapkt_cmd.satacmd_status_reg & 6058 SATA_STATUS_ERR) { 6059 /* 6060 * determine dev error reason from error 6061 * reg content 6062 */ 6063 sata_decode_device_error(spx, sense); 6064 break; 6065 } 6066 /* No extended sense key - no info available */ 6067 break; 6068 6069 case SATA_PKT_TIMEOUT: 6070 /* scsipkt->pkt_reason = CMD_TIMEOUT; */ 6071 scsipkt->pkt_reason = CMD_INCOMPLETE; 6072 /* No extended sense key ? */ 6073 break; 6074 6075 case SATA_PKT_ABORTED: 6076 scsipkt->pkt_reason = CMD_ABORTED; 6077 /* No extended sense key ? */ 6078 break; 6079 6080 case SATA_PKT_RESET: 6081 /* pkt aborted by an explicit reset from a host */ 6082 scsipkt->pkt_reason = CMD_RESET; 6083 break; 6084 6085 default: 6086 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 6087 "sata_txlt_nodata_cmd_completion: " 6088 "invalid packet completion reason %d", 6089 sata_pkt->satapkt_reason)); 6090 scsipkt->pkt_reason = CMD_TRAN_ERR; 6091 break; 6092 } 6093 6094 } 6095 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, 6096 "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); 6097 6098 if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && 6099 scsipkt->pkt_comp != NULL) 6100 /* scsi callback required */ 6101 (*scsipkt->pkt_comp)(scsipkt); 6102 } 6103 6104 6105 /* 6106 * Build Mode sense R/W recovery page 6107 * NOT IMPLEMENTED 6108 */ 6109 6110 static int 6111 sata_build_msense_page_1(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) 6112 { 6113 #ifndef __lock_lint 6114 _NOTE(ARGUNUSED(sdinfo)) 6115 _NOTE(ARGUNUSED(pcntrl)) 6116 _NOTE(ARGUNUSED(buf)) 6117 #endif 6118 return (0); 6119 } 6120 6121 /* 6122 * Build Mode sense caching page - scsi-3 implementation. 6123 * Page length distinguishes previous format from scsi-3 format. 6124 * buf must have space for 0x12 bytes. 6125 * Only DRA (disable read ahead ) and WCE (write cache enable) are changeable. 6126 * 6127 */ 6128 static int 6129 sata_build_msense_page_8(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) 6130 { 6131 struct mode_cache_scsi3 *page = (struct mode_cache_scsi3 *)buf; 6132 sata_id_t *sata_id = &sdinfo->satadrv_id; 6133 6134 /* 6135 * Most of the fields are set to 0, being not supported and/or disabled 6136 */ 6137 bzero(buf, PAGELENGTH_DAD_MODE_CACHE_SCSI3); 6138 6139 /* Saved paramters not supported */ 6140 if (pcntrl == 3) 6141 return (0); 6142 if (pcntrl == 0 || pcntrl == 2) { 6143 /* 6144 * For now treat current and default parameters as same 6145 * That may have to change, if target driver will complain 6146 */ 6147 page->mode_page.code = MODEPAGE_CACHING; /* PS = 0 */ 6148 page->mode_page.length = PAGELENGTH_DAD_MODE_CACHE_SCSI3; 6149 6150 if ((sata_id->ai_cmdset82 & SATA_LOOK_AHEAD) && 6151 !(sata_id->ai_features85 & SATA_LOOK_AHEAD)) { 6152 page->dra = 1; /* Read Ahead disabled */ 6153 page->rcd = 1; /* Read Cache disabled */ 6154 } 6155 if ((sata_id->ai_cmdset82 & SATA_WRITE_CACHE) && 6156 (sata_id->ai_features85 & SATA_WRITE_CACHE)) 6157 page->wce = 1; /* Write Cache enabled */ 6158 } else { 6159 /* Changeable parameters */ 6160 page->mode_page.code = MODEPAGE_CACHING; 6161 page->mode_page.length = PAGELENGTH_DAD_MODE_CACHE_SCSI3; 6162 if (sata_id->ai_cmdset82 & SATA_LOOK_AHEAD) { 6163 page->dra = 1; 6164 page->rcd = 1; 6165 } 6166 if (sata_id->ai_cmdset82 & SATA_WRITE_CACHE) 6167 page->wce = 1; 6168 } 6169 return (PAGELENGTH_DAD_MODE_CACHE_SCSI3 + 6170 sizeof (struct mode_page)); 6171 } 6172 6173 /* 6174 * Build Mode sense exception cntrl page 6175 */ 6176 static int 6177 sata_build_msense_page_1c(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) 6178 { 6179 struct mode_info_excpt_page *page = (struct mode_info_excpt_page *)buf; 6180 sata_id_t *sata_id = &sdinfo->satadrv_id; 6181 6182 /* 6183 * Most of the fields are set to 0, being not supported and/or disabled 6184 */ 6185 bzero(buf, PAGELENGTH_INFO_EXCPT); 6186 6187 page->mode_page.code = MODEPAGE_INFO_EXCPT; 6188 page->mode_page.length = PAGELENGTH_INFO_EXCPT; 6189 6190 /* Indicate that this is page is saveable */ 6191 page->mode_page.ps = 1; 6192 6193 /* 6194 * We will return the same data for default, current and saved page. 6195 * The only changeable bit is dexcpt and that bit is required 6196 * by the ATA specification to be preserved across power cycles. 6197 */ 6198 if (pcntrl != 1) { 6199 page->dexcpt = !(sata_id->ai_features85 & SATA_SMART_SUPPORTED); 6200 page->mrie = MRIE_ONLY_ON_REQUEST; 6201 } 6202 else 6203 page->dexcpt = 1; /* Only changeable parameter */ 6204 6205 return (PAGELENGTH_INFO_EXCPT + sizeof (struct mode_info_excpt_page)); 6206 } 6207 6208 6209 /* 6210 * Build Mode sense power condition page 6211 * NOT IMPLEMENTED. 6212 */ 6213 static int 6214 sata_build_msense_page_1a(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) 6215 { 6216 #ifndef __lock_lint 6217 _NOTE(ARGUNUSED(sdinfo)) 6218 _NOTE(ARGUNUSED(pcntrl)) 6219 _NOTE(ARGUNUSED(buf)) 6220 #endif 6221 return (0); 6222 } 6223 6224 6225 /* 6226 * Process mode select caching page 8 (scsi3 format only). 6227 * Read Ahead (same as read cache) and Write Cache may be turned on and off 6228 * if these features are supported by the device. If these features are not 6229 * supported, quietly ignore them. 6230 * This function fails only if the SET FEATURE command sent to 6231 * the device fails. The page format is not varified, assuming that the 6232 * target driver operates correctly - if parameters length is too short, 6233 * we just drop the page. 6234 * Two command may be sent if both Read Cache/Read Ahead and Write Cache 6235 * setting have to be changed. 6236 * SET FEATURE command is executed synchronously, i.e. we wait here until 6237 * it is completed, regardless of the scsi pkt directives. 6238 * 6239 * Note: Mode Select Caching page RCD and DRA bits are tied together, i.e. 6240 * changing DRA will change RCD. 6241 * 6242 * More than one SATA command may be executed to perform operations specified 6243 * by mode select pages. The first error terminates further execution. 6244 * Operations performed successully are not backed-up in such case. 6245 * 6246 * Return SATA_SUCCESS if operation succeeded, SATA_FAILURE otherwise. 6247 * If operation resulted in changing device setup, dmod flag should be set to 6248 * one (1). If parameters were not changed, dmod flag should be set to 0. 6249 * Upon return, if operation required sending command to the device, the rval 6250 * should be set to the value returned by sata_hba_start. If operation 6251 * did not require device access, rval should be set to TRAN_ACCEPT. 6252 * The pagelen should be set to the length of the page. 6253 * 6254 * This function has to be called with a port mutex held. 6255 * 6256 * Returns SATA_SUCCESS if operation was successful, SATA_FAILURE otherwise. 6257 */ 6258 int 6259 sata_mode_select_page_8(sata_pkt_txlate_t *spx, struct mode_cache_scsi3 *page, 6260 int parmlen, int *pagelen, int *rval, int *dmod) 6261 { 6262 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 6263 sata_drive_info_t *sdinfo; 6264 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 6265 sata_id_t *sata_id; 6266 struct scsi_extended_sense *sense; 6267 int wce, dra; /* Current settings */ 6268 6269 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 6270 &spx->txlt_sata_pkt->satapkt_device); 6271 sata_id = &sdinfo->satadrv_id; 6272 *dmod = 0; 6273 6274 /* Verify parameters length. If too short, drop it */ 6275 if (PAGELENGTH_DAD_MODE_CACHE_SCSI3 + 6276 sizeof (struct mode_page) < parmlen) { 6277 *scsipkt->pkt_scbp = STATUS_CHECK; 6278 sense = sata_arq_sense(spx); 6279 sense->es_key = KEY_ILLEGAL_REQUEST; 6280 sense->es_add_code = SD_SCSI_INVALID_FIELD_IN_PARAMETER_LIST; 6281 *pagelen = parmlen; 6282 *rval = TRAN_ACCEPT; 6283 return (SATA_FAILURE); 6284 } 6285 6286 *pagelen = PAGELENGTH_DAD_MODE_CACHE_SCSI3 + sizeof (struct mode_page); 6287 6288 /* 6289 * We can manipulate only write cache and read ahead 6290 * (read cache) setting. 6291 */ 6292 if (!(sata_id->ai_cmdset82 & SATA_LOOK_AHEAD) && 6293 !(sata_id->ai_cmdset82 & SATA_WRITE_CACHE)) { 6294 /* 6295 * None of the features is supported - ignore 6296 */ 6297 *rval = TRAN_ACCEPT; 6298 return (SATA_SUCCESS); 6299 } 6300 6301 /* Current setting of Read Ahead (and Read Cache) */ 6302 if (sata_id->ai_features85 & SATA_LOOK_AHEAD) 6303 dra = 0; /* 0 == not disabled */ 6304 else 6305 dra = 1; 6306 /* Current setting of Write Cache */ 6307 if (sata_id->ai_features85 & SATA_WRITE_CACHE) 6308 wce = 1; 6309 else 6310 wce = 0; 6311 6312 if (page->dra == dra && page->wce == wce && page->rcd == dra) { 6313 /* nothing to do */ 6314 *rval = TRAN_ACCEPT; 6315 return (SATA_SUCCESS); 6316 } 6317 /* 6318 * Need to flip some setting 6319 * Set-up Internal SET FEATURES command(s) 6320 */ 6321 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 6322 scmd->satacmd_addr_type = 0; 6323 scmd->satacmd_device_reg = 0; 6324 scmd->satacmd_status_reg = 0; 6325 scmd->satacmd_error_reg = 0; 6326 scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; 6327 if (page->dra != dra || page->rcd != dra) { 6328 /* Need to flip read ahead setting */ 6329 if (dra == 0) 6330 /* Disable read ahead / read cache */ 6331 scmd->satacmd_features_reg = 6332 SATAC_SF_DISABLE_READ_AHEAD; 6333 else 6334 /* Enable read ahead / read cache */ 6335 scmd->satacmd_features_reg = 6336 SATAC_SF_ENABLE_READ_AHEAD; 6337 6338 /* Transfer command to HBA */ 6339 if (sata_hba_start(spx, rval) != 0) 6340 /* 6341 * Pkt not accepted for execution. 6342 */ 6343 return (SATA_FAILURE); 6344 6345 *dmod = 1; 6346 6347 /* Now process return */ 6348 if (spx->txlt_sata_pkt->satapkt_reason != 6349 SATA_PKT_COMPLETED) { 6350 goto failure; /* Terminate */ 6351 } 6352 } 6353 6354 /* Note that the packet is not removed, so it could be re-used */ 6355 if (page->wce != wce) { 6356 /* Need to flip Write Cache setting */ 6357 if (page->wce == 1) 6358 /* Enable write cache */ 6359 scmd->satacmd_features_reg = 6360 SATAC_SF_ENABLE_WRITE_CACHE; 6361 else 6362 /* Disable write cache */ 6363 scmd->satacmd_features_reg = 6364 SATAC_SF_DISABLE_WRITE_CACHE; 6365 6366 /* Transfer command to HBA */ 6367 if (sata_hba_start(spx, rval) != 0) 6368 /* 6369 * Pkt not accepted for execution. 6370 */ 6371 return (SATA_FAILURE); 6372 6373 *dmod = 1; 6374 6375 /* Now process return */ 6376 if (spx->txlt_sata_pkt->satapkt_reason != 6377 SATA_PKT_COMPLETED) { 6378 goto failure; 6379 } 6380 } 6381 return (SATA_SUCCESS); 6382 6383 failure: 6384 sata_xlate_errors(spx); 6385 6386 return (SATA_FAILURE); 6387 } 6388 6389 /* 6390 * Process mode select informational exceptions control page 0x1c 6391 * 6392 * The only changeable bit is dexcpt (disable exceptions). 6393 * MRIE (method of reporting informational exceptions) must be 6394 * "only on request". 6395 * 6396 * Return SATA_SUCCESS if operation succeeded, SATA_FAILURE otherwise. 6397 * If operation resulted in changing device setup, dmod flag should be set to 6398 * one (1). If parameters were not changed, dmod flag should be set to 0. 6399 * Upon return, if operation required sending command to the device, the rval 6400 * should be set to the value returned by sata_hba_start. If operation 6401 * did not require device access, rval should be set to TRAN_ACCEPT. 6402 * The pagelen should be set to the length of the page. 6403 * 6404 * This function has to be called with a port mutex held. 6405 * 6406 * Returns SATA_SUCCESS if operation was successful, SATA_FAILURE otherwise. 6407 */ 6408 static int 6409 sata_mode_select_page_1c( 6410 sata_pkt_txlate_t *spx, 6411 struct mode_info_excpt_page *page, 6412 int parmlen, 6413 int *pagelen, 6414 int *rval, 6415 int *dmod) 6416 { 6417 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 6418 sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; 6419 sata_drive_info_t *sdinfo; 6420 sata_id_t *sata_id; 6421 struct scsi_extended_sense *sense; 6422 6423 sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, 6424 &spx->txlt_sata_pkt->satapkt_device); 6425 sata_id = &sdinfo->satadrv_id; 6426 6427 *dmod = 0; 6428 6429 /* Verify parameters length. If too short, drop it */ 6430 if (((PAGELENGTH_INFO_EXCPT + sizeof (struct mode_page)) < parmlen) || 6431 page->perf || page->test || (page->mrie != MRIE_ONLY_ON_REQUEST)) { 6432 *scsipkt->pkt_scbp = STATUS_CHECK; 6433 sense = sata_arq_sense(spx); 6434 sense->es_key = KEY_ILLEGAL_REQUEST; 6435 sense->es_add_code = SD_SCSI_INVALID_FIELD_IN_PARAMETER_LIST; 6436 *pagelen = parmlen; 6437 *rval = TRAN_ACCEPT; 6438 return (SATA_FAILURE); 6439 } 6440 6441 *pagelen = PAGELENGTH_INFO_EXCPT + sizeof (struct mode_page); 6442 6443 if (! (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED)) { 6444 *scsipkt->pkt_scbp = STATUS_CHECK; 6445 sense = sata_arq_sense(spx); 6446 sense->es_key = KEY_ILLEGAL_REQUEST; 6447 sense->es_add_code = SD_SCSI_INVALID_FIELD_IN_CDB; 6448 *pagelen = parmlen; 6449 *rval = TRAN_ACCEPT; 6450 return (SATA_FAILURE); 6451 } 6452 6453 /* If already in the state requested, we are done */ 6454 if (page->dexcpt == ! (sata_id->ai_features85 & SATA_SMART_ENABLED)) { 6455 /* nothing to do */ 6456 *rval = TRAN_ACCEPT; 6457 return (SATA_SUCCESS); 6458 } 6459 6460 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 6461 6462 /* Build SMART_ENABLE or SMART_DISABLE command */ 6463 scmd->satacmd_addr_type = 0; /* N/A */ 6464 scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; 6465 scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; 6466 scmd->satacmd_features_reg = page->dexcpt ? 6467 SATA_SMART_DISABLE_OPS : SATA_SMART_ENABLE_OPS; 6468 scmd->satacmd_device_reg = 0; /* Always device 0 */ 6469 scmd->satacmd_cmd_reg = SATAC_SMART; 6470 6471 /* Transfer command to HBA */ 6472 if (sata_hba_start(spx, rval) != 0) 6473 /* 6474 * Pkt not accepted for execution. 6475 */ 6476 return (SATA_FAILURE); 6477 6478 *dmod = 1; /* At least may have been modified */ 6479 6480 /* Now process return */ 6481 if (spx->txlt_sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) 6482 return (SATA_SUCCESS); 6483 6484 /* Packet did not complete successfully */ 6485 sata_xlate_errors(spx); 6486 6487 return (SATA_FAILURE); 6488 } 6489 6490 /* 6491 * sata_build_lsense_page0() is used to create the 6492 * SCSI LOG SENSE page 0 (supported log pages) 6493 * 6494 * Currently supported pages are 0, 0x10, 0x2f and 0x30 6495 * (supported log pages, self-test results, informational exceptions 6496 * and Sun vendor specific ATA SMART data). 6497 * 6498 * Takes a sata_drive_info t * and the address of a buffer 6499 * in which to create the page information. 6500 * 6501 * Returns the number of bytes valid in the buffer. 6502 */ 6503 static int 6504 sata_build_lsense_page_0(sata_drive_info_t *sdinfo, uint8_t *buf) 6505 { 6506 struct log_parameter *lpp = (struct log_parameter *)buf; 6507 uint8_t *page_ptr = (uint8_t *)lpp->param_values; 6508 int num_pages_supported = 1; /* Always have GET_SUPPORTED_LOG_PAGES */ 6509 sata_id_t *sata_id = &sdinfo->satadrv_id; 6510 6511 lpp->param_code[0] = 0; 6512 lpp->param_code[1] = 0; 6513 lpp->param_ctrl_flags = LOG_CTRL_LP | LOG_CTRL_LBIN; 6514 *page_ptr++ = PAGE_CODE_GET_SUPPORTED_LOG_PAGES; 6515 6516 if (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED) { 6517 if (sata_id->ai_cmdset84 & SATA_SMART_SELF_TEST_SUPPORTED) { 6518 *page_ptr++ = PAGE_CODE_SELF_TEST_RESULTS; 6519 ++num_pages_supported; 6520 } 6521 *page_ptr++ = PAGE_CODE_INFORMATION_EXCEPTIONS; 6522 ++num_pages_supported; 6523 *page_ptr++ = PAGE_CODE_SMART_READ_DATA; 6524 ++num_pages_supported; 6525 } 6526 6527 lpp->param_len = num_pages_supported; 6528 6529 return ((&lpp->param_values[0] - (uint8_t *)lpp) + 6530 num_pages_supported); 6531 } 6532 6533 /* 6534 * sata_build_lsense_page_10() is used to create the 6535 * SCSI LOG SENSE page 0x10 (self-test results) 6536 * 6537 * Takes a sata_drive_info t * and the address of a buffer 6538 * in which to create the page information as well as a sata_hba_inst_t *. 6539 * 6540 * Returns the number of bytes valid in the buffer. 6541 */ 6542 static int 6543 sata_build_lsense_page_10( 6544 sata_drive_info_t *sdinfo, 6545 uint8_t *buf, 6546 sata_hba_inst_t *sata_hba_inst) 6547 { 6548 struct log_parameter *lpp = (struct log_parameter *)buf; 6549 int rval; 6550 6551 if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) { 6552 struct smart_ext_selftest_log *ext_selftest_log; 6553 6554 ext_selftest_log = kmem_zalloc( 6555 sizeof (struct smart_ext_selftest_log), KM_SLEEP); 6556 6557 rval = sata_ext_smart_selftest_read_log(sata_hba_inst, sdinfo, 6558 ext_selftest_log, 0); 6559 if (rval == 0) { 6560 int index, start_index; 6561 struct smart_ext_selftest_log_entry *entry; 6562 static const struct smart_ext_selftest_log_entry empty = 6563 {0}; 6564 uint16_t block_num; 6565 int count; 6566 boolean_t only_one_block = B_FALSE; 6567 6568 index = ext_selftest_log-> 6569 smart_ext_selftest_log_index[0]; 6570 index |= ext_selftest_log-> 6571 smart_ext_selftest_log_index[1] << 8; 6572 if (index == 0) 6573 goto out; 6574 6575 --index; /* Correct for 0 origin */ 6576 start_index = index; /* remember where we started */ 6577 block_num = index / ENTRIES_PER_EXT_SELFTEST_LOG_BLK; 6578 if (block_num != 0) { 6579 rval = sata_ext_smart_selftest_read_log( 6580 sata_hba_inst, sdinfo, ext_selftest_log, 6581 block_num); 6582 if (rval != 0) 6583 goto out; 6584 } 6585 index %= ENTRIES_PER_EXT_SELFTEST_LOG_BLK; 6586 entry = 6587 &ext_selftest_log-> 6588 smart_ext_selftest_log_entries[index]; 6589 6590 for (count = 1; 6591 count <= SCSI_ENTRIES_IN_LOG_SENSE_SELFTEST_RESULTS; 6592 ++count) { 6593 uint8_t status; 6594 uint8_t code; 6595 uint8_t sense_key; 6596 uint8_t add_sense_code; 6597 uint8_t add_sense_code_qual; 6598 6599 /* If this is an unused entry, we are done */ 6600 if (bcmp(entry, &empty, sizeof (empty)) == 0) { 6601 /* Broken firmware on some disks */ 6602 if (index + 1 == 6603 ENTRIES_PER_EXT_SELFTEST_LOG_BLK) { 6604 --entry; 6605 --index; 6606 if (bcmp(entry, &empty, 6607 sizeof (empty)) == 0) 6608 goto out; 6609 } else 6610 goto out; 6611 } 6612 6613 if (only_one_block && 6614 start_index == index) 6615 goto out; 6616 6617 lpp->param_code[0] = 0; 6618 lpp->param_code[1] = count; 6619 lpp->param_ctrl_flags = 6620 LOG_CTRL_LP | LOG_CTRL_LBIN; 6621 lpp->param_len = 6622 SCSI_LOG_SENSE_SELFTEST_PARAM_LEN; 6623 6624 status = entry->smart_ext_selftest_log_status; 6625 status >>= 4; 6626 switch (status) { 6627 case 0: 6628 default: 6629 sense_key = KEY_NO_SENSE; 6630 add_sense_code = SD_SCSI_NO_ADD_SENSE; 6631 add_sense_code_qual = 0; 6632 break; 6633 case 1: 6634 sense_key = KEY_ABORTED_COMMAND; 6635 add_sense_code = 6636 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6637 add_sense_code_qual = SCSI_COMPONENT_81; 6638 break; 6639 case 2: 6640 sense_key = KEY_ABORTED_COMMAND; 6641 add_sense_code = 6642 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6643 add_sense_code_qual = SCSI_COMPONENT_82; 6644 break; 6645 case 3: 6646 sense_key = KEY_ABORTED_COMMAND; 6647 add_sense_code = 6648 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6649 add_sense_code_qual = SCSI_COMPONENT_83; 6650 break; 6651 case 4: 6652 sense_key = KEY_HARDWARE_ERROR; 6653 add_sense_code = 6654 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6655 add_sense_code_qual = SCSI_COMPONENT_84; 6656 break; 6657 case 5: 6658 sense_key = KEY_HARDWARE_ERROR; 6659 add_sense_code = 6660 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6661 add_sense_code_qual = SCSI_COMPONENT_85; 6662 break; 6663 case 6: 6664 sense_key = KEY_HARDWARE_ERROR; 6665 add_sense_code = 6666 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6667 add_sense_code_qual = SCSI_COMPONENT_86; 6668 break; 6669 case 7: 6670 sense_key = KEY_MEDIUM_ERROR; 6671 add_sense_code = 6672 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6673 add_sense_code_qual = SCSI_COMPONENT_87; 6674 break; 6675 case 8: 6676 sense_key = KEY_HARDWARE_ERROR; 6677 add_sense_code = 6678 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6679 add_sense_code_qual = SCSI_COMPONENT_88; 6680 break; 6681 } 6682 code = 0; /* unspecified */ 6683 status |= (code << 4); 6684 lpp->param_values[0] = status; 6685 lpp->param_values[1] = 0; /* unspecified */ 6686 lpp->param_values[2] = entry-> 6687 smart_ext_selftest_log_timestamp[1]; 6688 lpp->param_values[3] = entry-> 6689 smart_ext_selftest_log_timestamp[0]; 6690 if (status != 0) { 6691 lpp->param_values[4] = 0; 6692 lpp->param_values[5] = 0; 6693 lpp->param_values[6] = entry-> 6694 smart_ext_selftest_log_failing_lba 6695 [5]; 6696 lpp->param_values[7] = entry-> 6697 smart_ext_selftest_log_failing_lba 6698 [4]; 6699 lpp->param_values[8] = entry-> 6700 smart_ext_selftest_log_failing_lba 6701 [3]; 6702 lpp->param_values[9] = entry-> 6703 smart_ext_selftest_log_failing_lba 6704 [2]; 6705 lpp->param_values[10] = entry-> 6706 smart_ext_selftest_log_failing_lba 6707 [1]; 6708 lpp->param_values[11] = entry-> 6709 smart_ext_selftest_log_failing_lba 6710 [0]; 6711 } else { /* No bad block address */ 6712 lpp->param_values[4] = 0xff; 6713 lpp->param_values[5] = 0xff; 6714 lpp->param_values[6] = 0xff; 6715 lpp->param_values[7] = 0xff; 6716 lpp->param_values[8] = 0xff; 6717 lpp->param_values[9] = 0xff; 6718 lpp->param_values[10] = 0xff; 6719 lpp->param_values[11] = 0xff; 6720 } 6721 6722 lpp->param_values[12] = sense_key; 6723 lpp->param_values[13] = add_sense_code; 6724 lpp->param_values[14] = add_sense_code_qual; 6725 lpp->param_values[15] = 0; /* undefined */ 6726 6727 lpp = (struct log_parameter *) 6728 (((uint8_t *)lpp) + 6729 SCSI_LOG_PARAM_HDR_LEN + 6730 SCSI_LOG_SENSE_SELFTEST_PARAM_LEN); 6731 6732 --index; /* Back up to previous entry */ 6733 if (index < 0) { 6734 if (block_num > 0) { 6735 --block_num; 6736 } else { 6737 struct read_log_ext_directory 6738 logdir; 6739 6740 rval = 6741 sata_read_log_ext_directory( 6742 sata_hba_inst, sdinfo, 6743 &logdir); 6744 if (rval == -1) 6745 goto out; 6746 if ((logdir.read_log_ext_vers 6747 [0] == 0) && 6748 (logdir.read_log_ext_vers 6749 [1] == 0)) 6750 goto out; 6751 block_num = 6752 logdir.read_log_ext_nblks 6753 [EXT_SMART_SELFTEST_LOG_PAGE 6754 - 1][0]; 6755 block_num |= logdir. 6756 read_log_ext_nblks 6757 [EXT_SMART_SELFTEST_LOG_PAGE 6758 - 1][1] << 8; 6759 --block_num; 6760 only_one_block = 6761 (block_num == 0); 6762 } 6763 rval = sata_ext_smart_selftest_read_log( 6764 sata_hba_inst, sdinfo, 6765 ext_selftest_log, block_num); 6766 if (rval != 0) 6767 goto out; 6768 6769 index = 6770 ENTRIES_PER_EXT_SELFTEST_LOG_BLK - 6771 1; 6772 } 6773 index %= ENTRIES_PER_EXT_SELFTEST_LOG_BLK; 6774 entry = &ext_selftest_log-> 6775 smart_ext_selftest_log_entries[index]; 6776 } 6777 } 6778 out: 6779 kmem_free(ext_selftest_log, 6780 sizeof (struct smart_ext_selftest_log)); 6781 } else { 6782 struct smart_selftest_log *selftest_log; 6783 6784 selftest_log = kmem_zalloc(sizeof (struct smart_selftest_log), 6785 KM_SLEEP); 6786 6787 rval = sata_smart_selftest_log(sata_hba_inst, sdinfo, 6788 selftest_log); 6789 6790 if (rval == 0) { 6791 int index; 6792 int count; 6793 struct smart_selftest_log_entry *entry; 6794 static const struct smart_selftest_log_entry empty = 6795 { 0 }; 6796 6797 index = selftest_log->smart_selftest_log_index; 6798 if (index == 0) 6799 goto done; 6800 --index; /* Correct for 0 origin */ 6801 entry = &selftest_log-> 6802 smart_selftest_log_entries[index]; 6803 for (count = 1; 6804 count <= SCSI_ENTRIES_IN_LOG_SENSE_SELFTEST_RESULTS; 6805 ++count) { 6806 uint8_t status; 6807 uint8_t code; 6808 uint8_t sense_key; 6809 uint8_t add_sense_code; 6810 uint8_t add_sense_code_qual; 6811 6812 if (bcmp(entry, &empty, sizeof (empty)) == 0) 6813 goto done; 6814 6815 lpp->param_code[0] = 0; 6816 lpp->param_code[1] = count; 6817 lpp->param_ctrl_flags = 6818 LOG_CTRL_LP | LOG_CTRL_LBIN; 6819 lpp->param_len = 6820 SCSI_LOG_SENSE_SELFTEST_PARAM_LEN; 6821 6822 status = entry->smart_selftest_log_status; 6823 status >>= 4; 6824 switch (status) { 6825 case 0: 6826 default: 6827 sense_key = KEY_NO_SENSE; 6828 add_sense_code = SD_SCSI_NO_ADD_SENSE; 6829 break; 6830 case 1: 6831 sense_key = KEY_ABORTED_COMMAND; 6832 add_sense_code = 6833 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6834 add_sense_code_qual = SCSI_COMPONENT_81; 6835 break; 6836 case 2: 6837 sense_key = KEY_ABORTED_COMMAND; 6838 add_sense_code = 6839 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6840 add_sense_code_qual = SCSI_COMPONENT_82; 6841 break; 6842 case 3: 6843 sense_key = KEY_ABORTED_COMMAND; 6844 add_sense_code = 6845 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6846 add_sense_code_qual = SCSI_COMPONENT_83; 6847 break; 6848 case 4: 6849 sense_key = KEY_HARDWARE_ERROR; 6850 add_sense_code = 6851 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6852 add_sense_code_qual = SCSI_COMPONENT_84; 6853 break; 6854 case 5: 6855 sense_key = KEY_HARDWARE_ERROR; 6856 add_sense_code = 6857 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6858 add_sense_code_qual = SCSI_COMPONENT_85; 6859 break; 6860 case 6: 6861 sense_key = KEY_HARDWARE_ERROR; 6862 add_sense_code = 6863 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6864 add_sense_code_qual = SCSI_COMPONENT_86; 6865 break; 6866 case 7: 6867 sense_key = KEY_MEDIUM_ERROR; 6868 add_sense_code = 6869 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6870 add_sense_code_qual = SCSI_COMPONENT_87; 6871 break; 6872 case 8: 6873 sense_key = KEY_HARDWARE_ERROR; 6874 add_sense_code = 6875 DIAGNOSTIC_FAILURE_ON_COMPONENT; 6876 add_sense_code_qual = SCSI_COMPONENT_88; 6877 break; 6878 } 6879 code = 0; /* unspecified */ 6880 status |= (code << 4); 6881 lpp->param_values[0] = status; 6882 lpp->param_values[1] = 0; /* unspecified */ 6883 lpp->param_values[2] = entry-> 6884 smart_selftest_log_timestamp[1]; 6885 lpp->param_values[3] = entry-> 6886 smart_selftest_log_timestamp[0]; 6887 if (status != 0) { 6888 lpp->param_values[4] = 0; 6889 lpp->param_values[5] = 0; 6890 lpp->param_values[6] = 0; 6891 lpp->param_values[7] = 0; 6892 lpp->param_values[8] = entry-> 6893 smart_selftest_log_failing_lba[3]; 6894 lpp->param_values[9] = entry-> 6895 smart_selftest_log_failing_lba[2]; 6896 lpp->param_values[10] = entry-> 6897 smart_selftest_log_failing_lba[1]; 6898 lpp->param_values[11] = entry-> 6899 smart_selftest_log_failing_lba[0]; 6900 } else { /* No block address */ 6901 lpp->param_values[4] = 0xff; 6902 lpp->param_values[5] = 0xff; 6903 lpp->param_values[6] = 0xff; 6904 lpp->param_values[7] = 0xff; 6905 lpp->param_values[8] = 0xff; 6906 lpp->param_values[9] = 0xff; 6907 lpp->param_values[10] = 0xff; 6908 lpp->param_values[11] = 0xff; 6909 } 6910 lpp->param_values[12] = sense_key; 6911 lpp->param_values[13] = add_sense_code; 6912 lpp->param_values[14] = add_sense_code_qual; 6913 lpp->param_values[15] = 0; /* undefined */ 6914 6915 lpp = (struct log_parameter *) 6916 (((uint8_t *)lpp) + 6917 SCSI_LOG_PARAM_HDR_LEN + 6918 SCSI_LOG_SENSE_SELFTEST_PARAM_LEN); 6919 --index; /* back up to previous entry */ 6920 if (index < 0) { 6921 index = 6922 NUM_SMART_SELFTEST_LOG_ENTRIES - 1; 6923 } 6924 entry = &selftest_log-> 6925 smart_selftest_log_entries[index]; 6926 } 6927 } 6928 done: 6929 kmem_free(selftest_log, sizeof (struct smart_selftest_log)); 6930 } 6931 6932 return ((SCSI_LOG_PARAM_HDR_LEN + SCSI_LOG_SENSE_SELFTEST_PARAM_LEN) * 6933 SCSI_ENTRIES_IN_LOG_SENSE_SELFTEST_RESULTS); 6934 } 6935 6936 /* 6937 * sata_build_lsense_page_2f() is used to create the 6938 * SCSI LOG SENSE page 0x10 (informational exceptions) 6939 * 6940 * Takes a sata_drive_info t * and the address of a buffer 6941 * in which to create the page information as well as a sata_hba_inst_t *. 6942 * 6943 * Returns the number of bytes valid in the buffer. 6944 */ 6945 static int 6946 sata_build_lsense_page_2f( 6947 sata_drive_info_t *sdinfo, 6948 uint8_t *buf, 6949 sata_hba_inst_t *sata_hba_inst) 6950 { 6951 struct log_parameter *lpp = (struct log_parameter *)buf; 6952 int rval; 6953 uint8_t *smart_data; 6954 uint8_t temp; 6955 sata_id_t *sata_id; 6956 #define SMART_NO_TEMP 0xff 6957 6958 lpp->param_code[0] = 0; 6959 lpp->param_code[1] = 0; 6960 lpp->param_ctrl_flags = LOG_CTRL_LP | LOG_CTRL_LBIN; 6961 6962 /* Now get the SMART status w.r.t. threshold exceeded */ 6963 rval = sata_fetch_smart_return_status(sata_hba_inst, sdinfo); 6964 switch (rval) { 6965 case 1: 6966 lpp->param_values[0] = SCSI_PREDICTED_FAILURE; 6967 lpp->param_values[1] = SCSI_GENERAL_HD_FAILURE; 6968 break; 6969 case 0: 6970 case -1: /* failed to get data */ 6971 lpp->param_values[0] = 0; /* No failure predicted */ 6972 lpp->param_values[1] = 0; 6973 break; 6974 #if defined(SATA_DEBUG) 6975 default: 6976 cmn_err(CE_PANIC, "sata_build_lsense_page_2f bad return value"); 6977 /* NOTREACHED */ 6978 #endif 6979 } 6980 6981 sata_id = &sdinfo->satadrv_id; 6982 if (! (sata_id->ai_sctsupport & SATA_SCT_CMD_TRANS_SUP)) 6983 temp = SMART_NO_TEMP; 6984 else { 6985 /* Now get the temperature */ 6986 smart_data = kmem_zalloc(512, KM_SLEEP); 6987 rval = sata_smart_read_log(sata_hba_inst, sdinfo, smart_data, 6988 SCT_STATUS_LOG_PAGE, 1); 6989 if (rval == -1) 6990 temp = SMART_NO_TEMP; 6991 else { 6992 temp = smart_data[200]; 6993 if (temp & 0x80) { 6994 if (temp & 0x7f) 6995 temp = 0; 6996 else 6997 temp = SMART_NO_TEMP; 6998 } 6999 } 7000 kmem_free(smart_data, 512); 7001 } 7002 7003 lpp->param_values[2] = temp; /* most recent temperature */ 7004 lpp->param_values[3] = 0; /* required vendor specific byte */ 7005 7006 lpp->param_len = SCSI_INFO_EXCEPTIONS_PARAM_LEN; 7007 7008 7009 return (SCSI_INFO_EXCEPTIONS_PARAM_LEN + SCSI_LOG_PARAM_HDR_LEN); 7010 } 7011 7012 /* 7013 * sata_build_lsense_page_30() is used to create the 7014 * SCSI LOG SENSE page 0x30 (Sun's vendor specific page for ATA SMART data). 7015 * 7016 * Takes a sata_drive_info t * and the address of a buffer 7017 * in which to create the page information as well as a sata_hba_inst_t *. 7018 * 7019 * Returns the number of bytes valid in the buffer. 7020 */ 7021 static int 7022 sata_build_lsense_page_30( 7023 sata_drive_info_t *sdinfo, 7024 uint8_t *buf, 7025 sata_hba_inst_t *sata_hba_inst) 7026 { 7027 struct smart_data *smart_data = (struct smart_data *)buf; 7028 int rval; 7029 7030 /* Now do the SMART READ DATA */ 7031 rval = sata_fetch_smart_data(sata_hba_inst, sdinfo, smart_data); 7032 if (rval == -1) 7033 return (0); 7034 7035 return (sizeof (struct smart_data)); 7036 } 7037 7038 7039 7040 7041 7042 /* ************************** LOCAL FUNCTIONS ************************** */ 7043 7044 /* 7045 * Validate sata_tran info 7046 * SATA_FAILURE returns if structure is inconsistent or structure revision 7047 * does not match one used by the framework. 7048 * 7049 * Returns SATA_SUCCESS if sata_hba_tran has matching revision and contains 7050 * required function pointers. 7051 * Returns SATA_FAILURE otherwise. 7052 */ 7053 static int 7054 sata_validate_sata_hba_tran(dev_info_t *dip, sata_hba_tran_t *sata_tran) 7055 { 7056 if (sata_tran->sata_tran_hba_rev != SATA_TRAN_HBA_REV) { 7057 sata_log(NULL, CE_WARN, 7058 "sata: invalid sata_hba_tran version %d for driver %s", 7059 sata_tran->sata_tran_hba_rev, ddi_driver_name(dip)); 7060 return (SATA_FAILURE); 7061 } 7062 7063 if (dip != sata_tran->sata_tran_hba_dip) { 7064 SATA_LOG_D((NULL, CE_WARN, 7065 "sata: inconsistent sata_tran_hba_dip " 7066 "%p / %p", sata_tran->sata_tran_hba_dip, dip)); 7067 return (SATA_FAILURE); 7068 } 7069 7070 if (sata_tran->sata_tran_probe_port == NULL || 7071 sata_tran->sata_tran_start == NULL || 7072 sata_tran->sata_tran_abort == NULL || 7073 sata_tran->sata_tran_reset_dport == NULL) { 7074 SATA_LOG_D((NULL, CE_WARN, "sata: sata_hba_tran missing " 7075 "required functions")); 7076 } 7077 return (SATA_SUCCESS); 7078 } 7079 7080 /* 7081 * Remove HBA instance from sata_hba_list. 7082 */ 7083 static void 7084 sata_remove_hba_instance(dev_info_t *dip) 7085 { 7086 sata_hba_inst_t *sata_hba_inst; 7087 7088 mutex_enter(&sata_mutex); 7089 for (sata_hba_inst = sata_hba_list; 7090 sata_hba_inst != (struct sata_hba_inst *)NULL; 7091 sata_hba_inst = sata_hba_inst->satahba_next) { 7092 if (sata_hba_inst->satahba_dip == dip) 7093 break; 7094 } 7095 7096 if (sata_hba_inst == (struct sata_hba_inst *)NULL) { 7097 #ifdef SATA_DEBUG 7098 cmn_err(CE_WARN, "sata_remove_hba_instance: " 7099 "unknown HBA instance\n"); 7100 #endif 7101 ASSERT(FALSE); 7102 } 7103 if (sata_hba_inst == sata_hba_list) { 7104 sata_hba_list = sata_hba_inst->satahba_next; 7105 if (sata_hba_list) { 7106 sata_hba_list->satahba_prev = 7107 (struct sata_hba_inst *)NULL; 7108 } 7109 if (sata_hba_inst == sata_hba_list_tail) { 7110 sata_hba_list_tail = NULL; 7111 } 7112 } else if (sata_hba_inst == sata_hba_list_tail) { 7113 sata_hba_list_tail = sata_hba_inst->satahba_prev; 7114 if (sata_hba_list_tail) { 7115 sata_hba_list_tail->satahba_next = 7116 (struct sata_hba_inst *)NULL; 7117 } 7118 } else { 7119 sata_hba_inst->satahba_prev->satahba_next = 7120 sata_hba_inst->satahba_next; 7121 sata_hba_inst->satahba_next->satahba_prev = 7122 sata_hba_inst->satahba_prev; 7123 } 7124 mutex_exit(&sata_mutex); 7125 } 7126 7127 7128 7129 7130 7131 /* 7132 * Probe all SATA ports of the specified HBA instance. 7133 * The assumption is that there are no target and attachment point minor nodes 7134 * created by the boot subsystems, so we do not need to prune device tree. 7135 * 7136 * This function is called only from sata_hba_attach(). It does not have to 7137 * be protected by controller mutex, because the hba_attached flag is not set 7138 * yet and no one would be touching this HBA instance other then this thread. 7139 * Determines if port is active and what type of the device is attached 7140 * (if any). Allocates necessary structures for each port. 7141 * 7142 * An AP (Attachement Point) node is created for each SATA device port even 7143 * when there is no device attached. 7144 */ 7145 7146 static void 7147 sata_probe_ports(sata_hba_inst_t *sata_hba_inst) 7148 { 7149 dev_info_t *dip = SATA_DIP(sata_hba_inst); 7150 int ncport, npmport; 7151 sata_cport_info_t *cportinfo; 7152 sata_drive_info_t *drive; 7153 sata_pmult_info_t *pminfo; 7154 sata_pmport_info_t *pmportinfo; 7155 sata_device_t sata_device; 7156 int rval; 7157 dev_t minor_number; 7158 char name[16]; 7159 clock_t start_time, cur_time; 7160 7161 /* 7162 * Probe controller ports first, to find port status and 7163 * any port multiplier attached. 7164 */ 7165 for (ncport = 0; ncport < SATA_NUM_CPORTS(sata_hba_inst); ncport++) { 7166 /* allocate cport structure */ 7167 cportinfo = kmem_zalloc(sizeof (sata_cport_info_t), KM_SLEEP); 7168 ASSERT(cportinfo != NULL); 7169 mutex_init(&cportinfo->cport_mutex, NULL, MUTEX_DRIVER, NULL); 7170 7171 mutex_enter(&cportinfo->cport_mutex); 7172 7173 cportinfo->cport_addr.cport = ncport; 7174 cportinfo->cport_addr.pmport = 0; 7175 cportinfo->cport_addr.qual = SATA_ADDR_CPORT; 7176 cportinfo->cport_state &= ~SATA_PORT_STATE_CLEAR_MASK; 7177 cportinfo->cport_state |= SATA_STATE_PROBING; 7178 SATA_CPORT_INFO(sata_hba_inst, ncport) = cportinfo; 7179 7180 /* 7181 * Regardless if a port is usable or not, create 7182 * an attachment point 7183 */ 7184 mutex_exit(&cportinfo->cport_mutex); 7185 minor_number = 7186 SATA_MAKE_AP_MINOR(ddi_get_instance(dip), ncport, 0, 0); 7187 (void) sprintf(name, "%d", ncport); 7188 if (ddi_create_minor_node(dip, name, S_IFCHR, 7189 minor_number, DDI_NT_SATA_ATTACHMENT_POINT, 0) != 7190 DDI_SUCCESS) { 7191 sata_log(sata_hba_inst, CE_WARN, "sata_hba_attach: " 7192 "cannot create sata attachment point for port %d", 7193 ncport); 7194 } 7195 7196 /* Probe port */ 7197 start_time = ddi_get_lbolt(); 7198 reprobe_cport: 7199 sata_device.satadev_addr.cport = ncport; 7200 sata_device.satadev_addr.pmport = 0; 7201 sata_device.satadev_addr.qual = SATA_ADDR_CPORT; 7202 sata_device.satadev_rev = SATA_DEVICE_REV; 7203 7204 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 7205 (dip, &sata_device); 7206 7207 mutex_enter(&cportinfo->cport_mutex); 7208 sata_update_port_scr(&cportinfo->cport_scr, &sata_device); 7209 if (rval != SATA_SUCCESS) { 7210 /* Something went wrong? Fail the port */ 7211 cportinfo->cport_state = SATA_PSTATE_FAILED; 7212 mutex_exit(&cportinfo->cport_mutex); 7213 continue; 7214 } 7215 cportinfo->cport_state &= ~SATA_STATE_PROBING; 7216 cportinfo->cport_state |= SATA_STATE_PROBED; 7217 cportinfo->cport_dev_type = sata_device.satadev_type; 7218 7219 cportinfo->cport_state |= SATA_STATE_READY; 7220 if (cportinfo->cport_dev_type == SATA_DTYPE_NONE) { 7221 mutex_exit(&cportinfo->cport_mutex); 7222 continue; 7223 } 7224 if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { 7225 /* 7226 * There is some device attached. 7227 * Allocate device info structure 7228 */ 7229 if (SATA_CPORTINFO_DRV_INFO(cportinfo) == NULL) { 7230 mutex_exit(&cportinfo->cport_mutex); 7231 SATA_CPORTINFO_DRV_INFO(cportinfo) = 7232 kmem_zalloc(sizeof (sata_drive_info_t), 7233 KM_SLEEP); 7234 mutex_enter(&cportinfo->cport_mutex); 7235 } 7236 drive = SATA_CPORTINFO_DRV_INFO(cportinfo); 7237 drive->satadrv_addr = cportinfo->cport_addr; 7238 drive->satadrv_addr.qual = SATA_ADDR_DCPORT; 7239 drive->satadrv_type = cportinfo->cport_dev_type; 7240 drive->satadrv_state = SATA_STATE_UNKNOWN; 7241 7242 mutex_exit(&cportinfo->cport_mutex); 7243 if (sata_add_device(dip, sata_hba_inst, ncport, 0) != 7244 SATA_SUCCESS) { 7245 /* 7246 * Plugged device was not correctly identified. 7247 * Retry, within a SATA_DEV_IDENTIFY_TIMEOUT 7248 */ 7249 cur_time = ddi_get_lbolt(); 7250 if ((cur_time - start_time) < 7251 drv_usectohz(SATA_DEV_IDENTIFY_TIMEOUT)) { 7252 /* sleep for a while */ 7253 delay(drv_usectohz( 7254 SATA_DEV_IDENTIFY_RETRY_DELAY)); 7255 goto reprobe_cport; 7256 } 7257 } 7258 } else { 7259 mutex_exit(&cportinfo->cport_mutex); 7260 ASSERT(cportinfo->cport_dev_type == SATA_DTYPE_PMULT); 7261 pminfo = kmem_zalloc(sizeof (sata_pmult_info_t), 7262 KM_SLEEP); 7263 mutex_enter(&cportinfo->cport_mutex); 7264 ASSERT(pminfo != NULL); 7265 SATA_CPORTINFO_PMULT_INFO(cportinfo) = pminfo; 7266 pminfo->pmult_addr.cport = cportinfo->cport_addr.cport; 7267 pminfo->pmult_addr.pmport = SATA_PMULT_HOSTPORT; 7268 pminfo->pmult_addr.qual = SATA_ADDR_PMPORT; 7269 pminfo->pmult_num_dev_ports = 7270 sata_device.satadev_add_info; 7271 mutex_init(&pminfo->pmult_mutex, NULL, MUTEX_DRIVER, 7272 NULL); 7273 pminfo->pmult_state = SATA_STATE_PROBING; 7274 mutex_exit(&cportinfo->cport_mutex); 7275 7276 /* Probe Port Multiplier ports */ 7277 for (npmport = 0; 7278 npmport < pminfo->pmult_num_dev_ports; 7279 npmport++) { 7280 pmportinfo = kmem_zalloc( 7281 sizeof (sata_pmport_info_t), KM_SLEEP); 7282 mutex_enter(&cportinfo->cport_mutex); 7283 ASSERT(pmportinfo != NULL); 7284 pmportinfo->pmport_addr.cport = ncport; 7285 pmportinfo->pmport_addr.pmport = npmport; 7286 pmportinfo->pmport_addr.qual = 7287 SATA_ADDR_PMPORT; 7288 pminfo->pmult_dev_port[npmport] = pmportinfo; 7289 7290 mutex_init(&pmportinfo->pmport_mutex, NULL, 7291 MUTEX_DRIVER, NULL); 7292 7293 mutex_exit(&cportinfo->cport_mutex); 7294 7295 /* Create an attachment point */ 7296 minor_number = SATA_MAKE_AP_MINOR( 7297 ddi_get_instance(dip), ncport, npmport, 1); 7298 (void) sprintf(name, "%d.%d", ncport, npmport); 7299 if (ddi_create_minor_node(dip, name, S_IFCHR, 7300 minor_number, DDI_NT_SATA_ATTACHMENT_POINT, 7301 0) != DDI_SUCCESS) { 7302 sata_log(sata_hba_inst, CE_WARN, 7303 "sata_hba_attach: " 7304 "cannot create sata attachment " 7305 "point for port %d pmult port %d", 7306 ncport, npmport); 7307 } 7308 7309 start_time = ddi_get_lbolt(); 7310 reprobe_pmport: 7311 sata_device.satadev_addr.pmport = npmport; 7312 sata_device.satadev_addr.qual = 7313 SATA_ADDR_PMPORT; 7314 7315 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 7316 (dip, &sata_device); 7317 mutex_enter(&cportinfo->cport_mutex); 7318 7319 /* sata_update_port_info() */ 7320 sata_update_port_scr(&pmportinfo->pmport_scr, 7321 &sata_device); 7322 7323 if (rval != SATA_SUCCESS) { 7324 pmportinfo->pmport_state = 7325 SATA_PSTATE_FAILED; 7326 mutex_exit(&cportinfo->cport_mutex); 7327 continue; 7328 } 7329 pmportinfo->pmport_state &= 7330 ~SATA_STATE_PROBING; 7331 pmportinfo->pmport_state |= SATA_STATE_PROBED; 7332 pmportinfo->pmport_dev_type = 7333 sata_device.satadev_type; 7334 7335 pmportinfo->pmport_state |= SATA_STATE_READY; 7336 if (pmportinfo->pmport_dev_type == 7337 SATA_DTYPE_NONE) { 7338 mutex_exit(&cportinfo->cport_mutex); 7339 continue; 7340 } 7341 /* Port multipliers cannot be chained */ 7342 ASSERT(pmportinfo->pmport_dev_type != 7343 SATA_DTYPE_PMULT); 7344 /* 7345 * There is something attached to Port 7346 * Multiplier device port 7347 * Allocate device info structure 7348 */ 7349 if (pmportinfo->pmport_sata_drive == NULL) { 7350 mutex_exit(&cportinfo->cport_mutex); 7351 pmportinfo->pmport_sata_drive = 7352 kmem_zalloc( 7353 sizeof (sata_drive_info_t), 7354 KM_SLEEP); 7355 mutex_enter(&cportinfo->cport_mutex); 7356 } 7357 drive = pmportinfo->pmport_sata_drive; 7358 drive->satadrv_addr.cport = 7359 pmportinfo->pmport_addr.cport; 7360 drive->satadrv_addr.pmport = npmport; 7361 drive->satadrv_addr.qual = SATA_ADDR_DPMPORT; 7362 drive->satadrv_type = pmportinfo-> 7363 pmport_dev_type; 7364 drive->satadrv_state = SATA_STATE_UNKNOWN; 7365 7366 mutex_exit(&cportinfo->cport_mutex); 7367 if (sata_add_device(dip, sata_hba_inst, ncport, 7368 npmport) != SATA_SUCCESS) { 7369 /* 7370 * Plugged device was not correctly 7371 * identified. Retry, within the 7372 * SATA_DEV_IDENTIFY_TIMEOUT 7373 */ 7374 cur_time = ddi_get_lbolt(); 7375 if ((cur_time - start_time) < 7376 drv_usectohz( 7377 SATA_DEV_IDENTIFY_TIMEOUT)) { 7378 /* sleep for a while */ 7379 delay(drv_usectohz( 7380 SATA_DEV_IDENTIFY_RETRY_DELAY)); 7381 goto reprobe_pmport; 7382 } 7383 } 7384 } 7385 pmportinfo->pmport_state = 7386 SATA_STATE_PROBED | SATA_STATE_READY; 7387 } 7388 } 7389 } 7390 7391 /* 7392 * Add SATA device for specified HBA instance & port (SCSI target 7393 * device nodes). 7394 * This function is called (indirectly) only from sata_hba_attach(). 7395 * A target node is created when there is a supported type device attached, 7396 * but may be removed if it cannot be put online. 7397 * 7398 * This function cannot be called from an interrupt context. 7399 * 7400 * ONLY DISK TARGET NODES ARE CREATED NOW 7401 * 7402 * Returns SATA_SUCCESS when port/device was fully processed, SATA_FAILURE when 7403 * device identification failed - adding a device could be retried. 7404 * 7405 */ 7406 static int 7407 sata_add_device(dev_info_t *pdip, sata_hba_inst_t *sata_hba_inst, int cport, 7408 int pmport) 7409 { 7410 sata_cport_info_t *cportinfo; 7411 sata_pmult_info_t *pminfo; 7412 sata_pmport_info_t *pmportinfo; 7413 dev_info_t *cdip; /* child dip */ 7414 sata_device_t sata_device; 7415 int rval; 7416 7417 7418 7419 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 7420 ASSERT(cportinfo->cport_dev_type != SATA_DTYPE_NONE); 7421 mutex_enter(&cportinfo->cport_mutex); 7422 /* 7423 * Some device is attached to a controller port. 7424 * We rely on controllers distinquishing between no-device, 7425 * attached port multiplier and other kind of attached device. 7426 * We need to get Identify Device data and determine 7427 * positively the dev type before trying to attach 7428 * the target driver. 7429 */ 7430 sata_device.satadev_rev = SATA_DEVICE_REV; 7431 if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { 7432 /* 7433 * Not port multiplier. 7434 */ 7435 sata_device.satadev_addr = cportinfo->cport_addr; 7436 sata_device.satadev_addr.qual = SATA_ADDR_DCPORT; 7437 mutex_exit(&cportinfo->cport_mutex); 7438 7439 rval = sata_probe_device(sata_hba_inst, &sata_device); 7440 if (rval != SATA_SUCCESS || 7441 sata_device.satadev_type == SATA_DTYPE_UNKNOWN) 7442 return (SATA_FAILURE); 7443 7444 mutex_enter(&cportinfo->cport_mutex); 7445 if ((sata_device.satadev_type & SATA_VALID_DEV_TYPE) == 0) { 7446 /* 7447 * Could not determine device type or 7448 * a device is not supported. 7449 * Degrade this device to unknown. 7450 */ 7451 cportinfo->cport_dev_type = SATA_DTYPE_UNKNOWN; 7452 mutex_exit(&cportinfo->cport_mutex); 7453 return (SATA_SUCCESS); 7454 } 7455 cportinfo->cport_dev_type = sata_device.satadev_type; 7456 mutex_exit(&cportinfo->cport_mutex); 7457 7458 /* 7459 * Initialize device to the desired state. Even if it 7460 * fails, the device will still attach but syslog 7461 * will show the warning. 7462 */ 7463 if (sata_initialize_device(sata_hba_inst, 7464 SATA_CPORTINFO_DRV_INFO(cportinfo)) != SATA_SUCCESS) 7465 /* Retry */ 7466 (void) sata_initialize_device(sata_hba_inst, 7467 SATA_CPORTINFO_DRV_INFO(cportinfo)); 7468 7469 mutex_enter(&cportinfo->cport_mutex); 7470 sata_show_drive_info(sata_hba_inst, 7471 SATA_CPORTINFO_DRV_INFO(cportinfo)); 7472 mutex_exit(&cportinfo->cport_mutex); 7473 cdip = sata_create_target_node(pdip, sata_hba_inst, 7474 &sata_device.satadev_addr); 7475 mutex_enter(&cportinfo->cport_mutex); 7476 if (cdip == NULL) { 7477 /* 7478 * Attaching target node failed. 7479 * We retain sata_drive_info structure... 7480 */ 7481 (SATA_CPORTINFO_DRV_INFO(cportinfo))-> 7482 satadrv_type = SATA_DTYPE_UNKNOWN; 7483 (SATA_CPORTINFO_DRV_INFO(cportinfo))-> 7484 satadrv_state = SATA_STATE_UNKNOWN; 7485 cportinfo->cport_dev_type = SATA_DTYPE_UNKNOWN; 7486 mutex_exit(&cportinfo->cport_mutex); 7487 return (SATA_SUCCESS); 7488 } 7489 (SATA_CPORTINFO_DRV_INFO(cportinfo))-> 7490 satadrv_state = SATA_STATE_READY; 7491 } else { 7492 /* This must be Port Multiplier type */ 7493 if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { 7494 SATA_LOG_D((sata_hba_inst, CE_WARN, 7495 "sata_add_device: " 7496 "unrecognized dev type %x", 7497 cportinfo->cport_dev_type)); 7498 mutex_exit(&cportinfo->cport_mutex); 7499 return (SATA_SUCCESS); 7500 } 7501 pminfo = SATA_CPORTINFO_PMULT_INFO(cportinfo); 7502 pmportinfo = pminfo->pmult_dev_port[pmport]; 7503 sata_device.satadev_addr = pmportinfo->pmport_addr; 7504 sata_device.satadev_addr.qual = SATA_ADDR_DPMPORT; 7505 mutex_exit(&cportinfo->cport_mutex); 7506 7507 rval = sata_probe_device(sata_hba_inst, &sata_device); 7508 if (rval != SATA_SUCCESS || 7509 sata_device.satadev_type == SATA_DTYPE_UNKNOWN) { 7510 return (SATA_FAILURE); 7511 } 7512 mutex_enter(&cportinfo->cport_mutex); 7513 if ((sata_device.satadev_type & SATA_VALID_DEV_TYPE) == 0) { 7514 /* 7515 * Could not determine device type. 7516 * Degrade this device to unknown. 7517 */ 7518 pmportinfo->pmport_dev_type = SATA_DTYPE_UNKNOWN; 7519 mutex_exit(&cportinfo->cport_mutex); 7520 return (SATA_SUCCESS); 7521 } 7522 pmportinfo->pmport_dev_type = sata_device.satadev_type; 7523 mutex_exit(&cportinfo->cport_mutex); 7524 /* 7525 * Initialize device to the desired state. 7526 * Even if it fails, the device will still 7527 * attach but syslog will show the warning. 7528 */ 7529 if (sata_initialize_device(sata_hba_inst, 7530 pmportinfo->pmport_sata_drive) != SATA_SUCCESS) 7531 /* Retry */ 7532 (void) sata_initialize_device(sata_hba_inst, 7533 pmportinfo->pmport_sata_drive); 7534 7535 mutex_enter(&cportinfo->cport_mutex); 7536 sata_show_drive_info(sata_hba_inst, 7537 pmportinfo->pmport_sata_drive); 7538 mutex_exit(&cportinfo->cport_mutex); 7539 cdip = sata_create_target_node(pdip, sata_hba_inst, 7540 &sata_device.satadev_addr); 7541 mutex_enter(&cportinfo->cport_mutex); 7542 if (cdip == NULL) { 7543 /* 7544 * Attaching target node failed. 7545 * We retain sata_drive_info structure... 7546 */ 7547 pmportinfo->pmport_sata_drive-> 7548 satadrv_type = SATA_DTYPE_UNKNOWN; 7549 pmportinfo->pmport_sata_drive-> 7550 satadrv_state = SATA_STATE_UNKNOWN; 7551 pmportinfo->pmport_dev_type = 7552 SATA_DTYPE_UNKNOWN; 7553 mutex_exit(&cportinfo->cport_mutex); 7554 return (SATA_SUCCESS); 7555 } 7556 pmportinfo->pmport_sata_drive->satadrv_state |= 7557 SATA_STATE_READY; 7558 } 7559 mutex_exit(&cportinfo->cport_mutex); 7560 return (SATA_SUCCESS); 7561 } 7562 7563 7564 /* 7565 * Create scsi target node for attached device, create node properties and 7566 * attach the node. 7567 * The node could be removed if the device onlining fails. 7568 * 7569 * A dev_info_t pointer is returned if operation is successful, NULL is 7570 * returned otherwise. 7571 */ 7572 7573 static dev_info_t * 7574 sata_create_target_node(dev_info_t *dip, sata_hba_inst_t *sata_hba_inst, 7575 sata_address_t *sata_addr) 7576 { 7577 dev_info_t *cdip = NULL; 7578 int rval; 7579 char *nname = NULL; 7580 char **compatible = NULL; 7581 int ncompatible; 7582 struct scsi_inquiry inq; 7583 sata_device_t sata_device; 7584 sata_drive_info_t *sdinfo; 7585 int target; 7586 int i; 7587 7588 sata_device.satadev_rev = SATA_DEVICE_REV; 7589 sata_device.satadev_addr = *sata_addr; 7590 7591 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_addr->cport))); 7592 7593 sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); 7594 7595 target = SATA_TO_SCSI_TARGET(sata_addr->cport, 7596 sata_addr->pmport, sata_addr->qual); 7597 7598 if (sdinfo == NULL) { 7599 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 7600 sata_addr->cport))); 7601 SATA_LOG_D((sata_hba_inst, CE_WARN, 7602 "sata_create_target_node: no sdinfo for target %x", 7603 target)); 7604 return (NULL); 7605 } 7606 7607 /* 7608 * create scsi inquiry data, expected by 7609 * scsi_hba_nodename_compatible_get() 7610 */ 7611 sata_identdev_to_inquiry(sata_hba_inst, sdinfo, (uint8_t *)&inq); 7612 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_addr->cport))); 7613 7614 /* determine the node name and compatible */ 7615 scsi_hba_nodename_compatible_get(&inq, NULL, 7616 inq.inq_dtype, NULL, &nname, &compatible, &ncompatible); 7617 7618 #ifdef SATA_DEBUG 7619 if (sata_debug_flags & SATA_DBG_NODES) { 7620 if (nname == NULL) { 7621 cmn_err(CE_NOTE, "sata_create_target_node: " 7622 "cannot determine nodename for target %d\n", 7623 target); 7624 } else { 7625 cmn_err(CE_WARN, "sata_create_target_node: " 7626 "target %d nodename: %s\n", target, nname); 7627 } 7628 if (compatible == NULL) { 7629 cmn_err(CE_WARN, 7630 "sata_create_target_node: no compatible name\n"); 7631 } else { 7632 for (i = 0; i < ncompatible; i++) { 7633 cmn_err(CE_WARN, "sata_create_target_node: " 7634 "compatible name: %s\n", compatible[i]); 7635 } 7636 } 7637 } 7638 #endif 7639 7640 /* if nodename can't be determined, log error and exit */ 7641 if (nname == NULL) { 7642 SATA_LOG_D((sata_hba_inst, CE_WARN, 7643 "sata_create_target_node: cannot determine nodename " 7644 "for target %d\n", target)); 7645 scsi_hba_nodename_compatible_free(nname, compatible); 7646 return (NULL); 7647 } 7648 /* 7649 * Create scsi target node 7650 */ 7651 ndi_devi_alloc_sleep(dip, nname, (pnode_t)DEVI_SID_NODEID, &cdip); 7652 rval = ndi_prop_update_string(DDI_DEV_T_NONE, cdip, 7653 "device-type", "scsi"); 7654 7655 if (rval != DDI_PROP_SUCCESS) { 7656 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: " 7657 "updating device_type prop failed %d", rval)); 7658 goto fail; 7659 } 7660 7661 /* 7662 * Create target node properties: target & lun 7663 */ 7664 rval = ndi_prop_update_int(DDI_DEV_T_NONE, cdip, "target", target); 7665 if (rval != DDI_PROP_SUCCESS) { 7666 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: " 7667 "updating target prop failed %d", rval)); 7668 goto fail; 7669 } 7670 rval = ndi_prop_update_int(DDI_DEV_T_NONE, cdip, "lun", 0); 7671 if (rval != DDI_PROP_SUCCESS) { 7672 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: " 7673 "updating target prop failed %d", rval)); 7674 goto fail; 7675 } 7676 7677 /* decorate the node with compatible */ 7678 if (ndi_prop_update_string_array(DDI_DEV_T_NONE, cdip, "compatible", 7679 compatible, ncompatible) != DDI_PROP_SUCCESS) { 7680 SATA_LOG_D((sata_hba_inst, CE_WARN, 7681 "sata_create_target_node: FAIL compatible props cdip 0x%p", 7682 (void *)cdip)); 7683 goto fail; 7684 } 7685 7686 /* 7687 * Now, try to attach the driver. If probing of the device fails, 7688 * the target node may be removed 7689 */ 7690 rval = ndi_devi_online(cdip, NDI_ONLINE_ATTACH); 7691 7692 scsi_hba_nodename_compatible_free(nname, compatible); 7693 7694 if (rval == NDI_SUCCESS) 7695 return (cdip); 7696 7697 /* target node was removed - are we sure? */ 7698 return (NULL); 7699 7700 fail: 7701 scsi_hba_nodename_compatible_free(nname, compatible); 7702 ddi_prop_remove_all(cdip); 7703 rval = ndi_devi_free(cdip); 7704 if (rval != NDI_SUCCESS) { 7705 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: " 7706 "node removal failed %d", rval)); 7707 } 7708 sata_log(sata_hba_inst, CE_WARN, "sata_create_target_node: " 7709 "cannot create target node for device at port %d", 7710 sata_addr->cport); 7711 return (NULL); 7712 } 7713 7714 7715 7716 /* 7717 * Re-probe sata port, check for a device and attach info 7718 * structures when necessary. Identify Device data is fetched, if possible. 7719 * Assumption: sata address is already validated. 7720 * SATA_SUCCESS is returned if port is re-probed sucessfully, regardless of 7721 * the presence of a device and its type. 7722 * 7723 * flag arg specifies that the function should try multiple times to identify 7724 * device type and to initialize it, or it should return immediately on failure. 7725 * SATA_DEV_IDENTIFY_RETRY - retry 7726 * SATA_DEV_IDENTIFY_NORETRY - no retry 7727 * 7728 * SATA_FAILURE is returned if one of the operations failed. 7729 * 7730 * This function cannot be called in interrupt context - it may sleep. 7731 */ 7732 static int 7733 sata_reprobe_port(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device, 7734 int flag) 7735 { 7736 sata_cport_info_t *cportinfo; 7737 sata_drive_info_t *sdinfo; 7738 boolean_t init_device = B_FALSE; 7739 int prev_device_type = SATA_DTYPE_NONE; 7740 int prev_device_settings = 0; 7741 clock_t start_time; 7742 int retry = B_FALSE; 7743 int rval; 7744 7745 /* We only care about host sata cport for now */ 7746 cportinfo = SATA_CPORT_INFO(sata_hba_inst, 7747 sata_device->satadev_addr.cport); 7748 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 7749 if (sdinfo != NULL) { 7750 /* 7751 * We are re-probing port with a previously attached device. 7752 * Save previous device type and settings 7753 */ 7754 prev_device_type = cportinfo->cport_dev_type; 7755 prev_device_settings = sdinfo->satadrv_settings; 7756 } 7757 if (flag == SATA_DEV_IDENTIFY_RETRY) { 7758 start_time = ddi_get_lbolt(); 7759 retry = B_TRUE; 7760 } 7761 retry_probe: 7762 7763 /* probe port */ 7764 mutex_enter(&cportinfo->cport_mutex); 7765 cportinfo->cport_state &= ~SATA_PORT_STATE_CLEAR_MASK; 7766 cportinfo->cport_state |= SATA_STATE_PROBING; 7767 mutex_exit(&cportinfo->cport_mutex); 7768 7769 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 7770 (SATA_DIP(sata_hba_inst), sata_device); 7771 7772 mutex_enter(&cportinfo->cport_mutex); 7773 if (rval != SATA_SUCCESS) { 7774 cportinfo->cport_state = SATA_PSTATE_FAILED; 7775 mutex_exit(&cportinfo->cport_mutex); 7776 SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: " 7777 "connect: port probbing failed")); 7778 return (SATA_FAILURE); 7779 } 7780 7781 /* 7782 * update sata port state and set device type 7783 */ 7784 sata_update_port_info(sata_hba_inst, sata_device); 7785 cportinfo->cport_state |= SATA_STATE_PROBED; 7786 7787 /* 7788 * Sanity check - Port is active? Is the link active? 7789 * Is there any device attached? 7790 */ 7791 if ((cportinfo->cport_state & 7792 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) || 7793 (cportinfo->cport_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != 7794 SATA_PORT_DEVLINK_UP) { 7795 /* 7796 * Port in non-usable state or no link active/no device. 7797 * Free info structure if necessary (direct attached drive 7798 * only, for now! 7799 */ 7800 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 7801 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 7802 /* Add here differentiation for device attached or not */ 7803 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 7804 mutex_exit(&cportinfo->cport_mutex); 7805 if (sdinfo != NULL) 7806 kmem_free(sdinfo, sizeof (sata_drive_info_t)); 7807 return (SATA_SUCCESS); 7808 } 7809 7810 cportinfo->cport_state |= SATA_STATE_READY; 7811 cportinfo->cport_dev_type = sata_device->satadev_type; 7812 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 7813 7814 /* 7815 * If we are re-probing the port, there may be 7816 * sata_drive_info structure attached 7817 * (or sata_pm_info, if PMult is supported). 7818 */ 7819 if (sata_device->satadev_type == SATA_DTYPE_NONE) { 7820 /* 7821 * There is no device, so remove device info structure, 7822 * if necessary. Direct attached drive only! 7823 */ 7824 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 7825 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 7826 if (sdinfo != NULL) { 7827 kmem_free(sdinfo, sizeof (sata_drive_info_t)); 7828 sata_log(sata_hba_inst, CE_WARN, 7829 "SATA device detached " 7830 "from port %d", cportinfo->cport_addr.cport); 7831 } 7832 mutex_exit(&cportinfo->cport_mutex); 7833 return (SATA_SUCCESS); 7834 } 7835 7836 if (sata_device->satadev_type != SATA_DTYPE_PMULT) { 7837 if (sdinfo == NULL) { 7838 /* 7839 * There is some device attached, but there is 7840 * no sata_drive_info structure - allocate one 7841 */ 7842 mutex_exit(&cportinfo->cport_mutex); 7843 sdinfo = kmem_zalloc( 7844 sizeof (sata_drive_info_t), KM_SLEEP); 7845 mutex_enter(&cportinfo->cport_mutex); 7846 /* 7847 * Recheck, that the port state did not change when we 7848 * released mutex. 7849 */ 7850 if (cportinfo->cport_state & SATA_STATE_READY) { 7851 SATA_CPORTINFO_DRV_INFO(cportinfo) = sdinfo; 7852 sdinfo->satadrv_addr = cportinfo->cport_addr; 7853 sdinfo->satadrv_addr.qual = SATA_ADDR_DCPORT; 7854 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 7855 sdinfo->satadrv_state = SATA_STATE_UNKNOWN; 7856 } else { 7857 /* 7858 * Port is not in ready state, we 7859 * cannot attach a device. 7860 */ 7861 mutex_exit(&cportinfo->cport_mutex); 7862 kmem_free(sdinfo, sizeof (sata_drive_info_t)); 7863 return (SATA_SUCCESS); 7864 } 7865 /* 7866 * Since we are adding device, presumably new one, 7867 * indicate that it should be initalized, 7868 * as well as some internal framework states). 7869 */ 7870 init_device = B_TRUE; 7871 } 7872 cportinfo->cport_dev_type = SATA_DTYPE_UNKNOWN; 7873 sata_device->satadev_addr.qual = sdinfo->satadrv_addr.qual; 7874 } else { 7875 /* 7876 * The device is a port multiplier - not handled now. 7877 */ 7878 cportinfo->cport_dev_type = SATA_DTYPE_UNKNOWN; 7879 mutex_exit(&cportinfo->cport_mutex); 7880 return (SATA_SUCCESS); 7881 } 7882 mutex_exit(&cportinfo->cport_mutex); 7883 /* 7884 * Figure out what kind of device we are really 7885 * dealing with. 7886 */ 7887 rval = sata_probe_device(sata_hba_inst, sata_device); 7888 7889 if (rval == SATA_SUCCESS) { 7890 /* 7891 * If we are dealing with the same type of a device as before, 7892 * restore its settings flags. 7893 */ 7894 if (sata_device->satadev_type == prev_device_type) 7895 sdinfo->satadrv_settings = prev_device_settings; 7896 7897 /* Set initial device features, if necessary */ 7898 if (init_device == B_TRUE) { 7899 rval = sata_initialize_device(sata_hba_inst, sdinfo); 7900 } 7901 if (rval == SATA_SUCCESS) 7902 return (rval); 7903 } 7904 7905 if (retry) { 7906 clock_t cur_time = ddi_get_lbolt(); 7907 /* 7908 * A device was not successfully identified or initialized. 7909 * Track retry time for device identification. 7910 */ 7911 if ((cur_time - start_time) < 7912 drv_usectohz(SATA_DEV_IDENTIFY_TIMEOUT)) { 7913 /* sleep for a while */ 7914 delay(drv_usectohz(SATA_DEV_IDENTIFY_RETRY_DELAY)); 7915 goto retry_probe; 7916 } 7917 } 7918 return (rval); 7919 } 7920 7921 /* 7922 * Initialize device 7923 * Specified device is initialized to a default state. 7924 * At this point only read cache and UDMA modes are set here. 7925 * Write cache mode should be set when a disk is configured. 7926 * 7927 * Only SATA disks are initialized for now. 7928 * 7929 * Returns SATA_SUCCESS if all device features are set successfully, 7930 * SATA_FAILURE otherwise 7931 */ 7932 static int 7933 sata_initialize_device(sata_hba_inst_t *sata_hba_inst, 7934 sata_drive_info_t *sdinfo) 7935 { 7936 7937 sata_save_drive_settings(sdinfo); 7938 7939 sdinfo->satadrv_settings |= SATA_DEV_READ_AHEAD; 7940 7941 sata_init_write_cache_mode(sdinfo); 7942 7943 return (sata_set_drive_features(sata_hba_inst, sdinfo, 0)); 7944 } 7945 7946 7947 /* 7948 * Initialize write cache mode. 7949 * 7950 * The default write cache setting is provided by sata_write_cache 7951 * static variable: 7952 * 1 - enable 7953 * 0 - disable 7954 * any other value - current drive setting 7955 * 7956 * In the future, it may be overridden by the 7957 * disk-write-cache-enable property setting, if it is defined. 7958 * Returns SATA_SUCCESS if all device features are set successfully, 7959 * SATA_FAILURE otherwise. 7960 */ 7961 static void 7962 sata_init_write_cache_mode(sata_drive_info_t *sdinfo) 7963 { 7964 if (sata_write_cache == 1) 7965 sdinfo->satadrv_settings |= SATA_DEV_WRITE_CACHE; 7966 else if (sata_write_cache == 0) 7967 sdinfo->satadrv_settings &= ~SATA_DEV_WRITE_CACHE; 7968 /* 7969 * When sata_write_cache value is not 0 or 1, 7970 * a current setting of the drive's write cache is used. 7971 */ 7972 } 7973 7974 7975 /* 7976 * Validate sata address. 7977 * Specified cport, pmport and qualifier has to match 7978 * passed sata_scsi configuration info. 7979 * The presence of an attached device is not verified. 7980 * 7981 * Returns 0 when address is valid, -1 otherwise. 7982 */ 7983 static int 7984 sata_validate_sata_address(sata_hba_inst_t *sata_hba_inst, int cport, 7985 int pmport, int qual) 7986 { 7987 if (qual == SATA_ADDR_DCPORT && pmport != 0) 7988 goto invalid_address; 7989 if (cport >= SATA_NUM_CPORTS(sata_hba_inst)) 7990 goto invalid_address; 7991 if ((qual == SATA_ADDR_DPMPORT || qual == SATA_ADDR_PMPORT) && 7992 ((SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) != SATA_DTYPE_PMULT) || 7993 (SATA_PMULT_INFO(sata_hba_inst, cport) == NULL) || 7994 (pmport >= SATA_NUM_PMPORTS(sata_hba_inst, cport)))) 7995 goto invalid_address; 7996 7997 return (0); 7998 7999 invalid_address: 8000 return (-1); 8001 8002 } 8003 8004 /* 8005 * Validate scsi address 8006 * SCSI target address is translated into SATA cport/pmport and compared 8007 * with a controller port/device configuration. LUN has to be 0. 8008 * Returns 0 if a scsi target refers to an attached device, 8009 * returns 1 if address is valid but device is not attached, 8010 * returns -1 if bad address or device is of an unsupported type. 8011 * Upon return sata_device argument is set. 8012 */ 8013 static int 8014 sata_validate_scsi_address(sata_hba_inst_t *sata_hba_inst, 8015 struct scsi_address *ap, sata_device_t *sata_device) 8016 { 8017 int cport, pmport, qual, rval; 8018 8019 rval = -1; /* Invalid address */ 8020 if (ap->a_lun != 0) 8021 goto out; 8022 8023 qual = SCSI_TO_SATA_ADDR_QUAL(ap->a_target); 8024 cport = SCSI_TO_SATA_CPORT(ap->a_target); 8025 pmport = SCSI_TO_SATA_PMPORT(ap->a_target); 8026 8027 if (qual != SATA_ADDR_DCPORT && qual != SATA_ADDR_DPMPORT) 8028 goto out; 8029 8030 if (sata_validate_sata_address(sata_hba_inst, cport, pmport, qual) == 8031 0) { 8032 8033 sata_cport_info_t *cportinfo; 8034 sata_pmult_info_t *pmultinfo; 8035 sata_drive_info_t *sdinfo = NULL; 8036 8037 rval = 1; /* Valid sata address */ 8038 8039 cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); 8040 if (qual == SATA_ADDR_DCPORT) { 8041 if (cportinfo == NULL || 8042 cportinfo->cport_dev_type == SATA_DTYPE_NONE) 8043 goto out; 8044 8045 if (cportinfo->cport_dev_type == SATA_DTYPE_PMULT || 8046 (cportinfo->cport_dev_type & 8047 SATA_VALID_DEV_TYPE) == 0) { 8048 rval = -1; 8049 goto out; 8050 } 8051 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 8052 8053 } else if (qual == SATA_ADDR_DPMPORT) { 8054 pmultinfo = SATA_CPORTINFO_PMULT_INFO(cportinfo); 8055 if (pmultinfo == NULL) { 8056 rval = -1; 8057 goto out; 8058 } 8059 if (SATA_PMPORT_INFO(sata_hba_inst, cport, pmport) == 8060 NULL || 8061 SATA_PMPORT_DEV_TYPE(sata_hba_inst, cport, 8062 pmport) == SATA_DTYPE_NONE) 8063 goto out; 8064 8065 sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, cport, 8066 pmport); 8067 } else { 8068 rval = -1; 8069 goto out; 8070 } 8071 if ((sdinfo == NULL) || 8072 (sdinfo->satadrv_type & SATA_VALID_DEV_TYPE) == 0) 8073 goto out; 8074 8075 sata_device->satadev_type = sdinfo->satadrv_type; 8076 sata_device->satadev_addr.qual = qual; 8077 sata_device->satadev_addr.cport = cport; 8078 sata_device->satadev_addr.pmport = pmport; 8079 sata_device->satadev_rev = SATA_DEVICE_REV_1; 8080 return (0); 8081 } 8082 out: 8083 if (rval == 1) { 8084 SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, 8085 "sata_validate_scsi_address: no valid target %x lun %x", 8086 ap->a_target, ap->a_lun); 8087 } 8088 return (rval); 8089 } 8090 8091 /* 8092 * Find dip corresponding to passed device number 8093 * 8094 * Returns NULL if invalid device number is passed or device cannot be found, 8095 * Returns dip is device is found. 8096 */ 8097 static dev_info_t * 8098 sata_devt_to_devinfo(dev_t dev) 8099 { 8100 dev_info_t *dip; 8101 #ifndef __lock_lint 8102 struct devnames *dnp; 8103 major_t major = getmajor(dev); 8104 int instance = SATA_MINOR2INSTANCE(getminor(dev)); 8105 8106 if (major >= devcnt) 8107 return (NULL); 8108 8109 dnp = &devnamesp[major]; 8110 LOCK_DEV_OPS(&(dnp->dn_lock)); 8111 dip = dnp->dn_head; 8112 while (dip && (ddi_get_instance(dip) != instance)) { 8113 dip = ddi_get_next(dip); 8114 } 8115 UNLOCK_DEV_OPS(&(dnp->dn_lock)); 8116 #endif 8117 8118 return (dip); 8119 } 8120 8121 8122 /* 8123 * Probe device. 8124 * This function issues Identify Device command and initializes local 8125 * sata_drive_info structure if the device can be identified. 8126 * The device type is determined by examining Identify Device 8127 * command response. 8128 * If the sata_hba_inst has linked drive info structure for this 8129 * device address, the Identify Device data is stored into sata_drive_info 8130 * structure linked to the port info structure. 8131 * 8132 * sata_device has to refer to the valid sata port(s) for HBA described 8133 * by sata_hba_inst structure. 8134 * 8135 * Returns: SATA_SUCCESS if device type was successfully probed and port-linked 8136 * drive info structure was updated; 8137 * SATA_FAILURE if there is no device, or device was not probed 8138 * successully. 8139 * If a device cannot be identified, sata_device's dev_state and dev_type 8140 * fields are set to unknown. 8141 * There are no retries in this function. Any retries should be managed by 8142 * the caller. 8143 */ 8144 8145 8146 static int 8147 sata_probe_device(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) 8148 { 8149 sata_drive_info_t *sdinfo; 8150 sata_drive_info_t new_sdinfo; /* local drive info struct */ 8151 int rval; 8152 8153 ASSERT((SATA_CPORT_STATE(sata_hba_inst, 8154 sata_device->satadev_addr.cport) & 8155 (SATA_STATE_PROBED | SATA_STATE_READY)) != 0); 8156 8157 sata_device->satadev_type = SATA_DTYPE_NONE; 8158 8159 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 8160 sata_device->satadev_addr.cport))); 8161 8162 /* Get pointer to port-linked sata device info structure */ 8163 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 8164 if (sdinfo != NULL) { 8165 sdinfo->satadrv_state &= 8166 ~(SATA_STATE_PROBED | SATA_STATE_READY); 8167 sdinfo->satadrv_state |= SATA_STATE_PROBING; 8168 } else { 8169 /* No device to probe */ 8170 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 8171 sata_device->satadev_addr.cport))); 8172 sata_device->satadev_type = SATA_DTYPE_NONE; 8173 sata_device->satadev_state = SATA_STATE_UNKNOWN; 8174 return (SATA_FAILURE); 8175 } 8176 /* 8177 * Need to issue both types of identify device command and 8178 * determine device type by examining retreived data/status. 8179 * First, ATA Identify Device. 8180 */ 8181 bzero(&new_sdinfo, sizeof (sata_drive_info_t)); 8182 new_sdinfo.satadrv_addr = sata_device->satadev_addr; 8183 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 8184 sata_device->satadev_addr.cport))); 8185 new_sdinfo.satadrv_type = SATA_DTYPE_ATADISK; 8186 rval = sata_identify_device(sata_hba_inst, &new_sdinfo); 8187 if (rval == 1) { 8188 /* We may try to check for ATAPI device */ 8189 if (SATA_FEATURES(sata_hba_inst) & SATA_CTLF_ATAPI) { 8190 /* 8191 * HBA supports ATAPI - try to issue Identify Packet 8192 * Device command. 8193 */ 8194 new_sdinfo.satadrv_type = SATA_DTYPE_ATAPICD; 8195 rval = sata_identify_device(sata_hba_inst, &new_sdinfo); 8196 } 8197 } 8198 if (rval == -1) 8199 goto failure; 8200 if (rval == 0) { 8201 /* 8202 * Got something responding to ATA Identify Device or to 8203 * Identify Packet Device cmd. 8204 */ 8205 sata_device->satadev_type = new_sdinfo.satadrv_type; 8206 8207 /* save device info, if possible */ 8208 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 8209 sata_device->satadev_addr.cport))); 8210 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 8211 if (sdinfo == NULL) { 8212 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 8213 sata_device->satadev_addr.cport))); 8214 return (SATA_FAILURE); 8215 } 8216 /* 8217 * Copy drive info into the port-linked drive info structure. 8218 */ 8219 *sdinfo = new_sdinfo; 8220 sdinfo->satadrv_state &= ~SATA_STATE_PROBING; 8221 sdinfo->satadrv_state |= SATA_STATE_PROBED; 8222 if (sata_device->satadev_addr.qual == SATA_ADDR_DCPORT) 8223 SATA_CPORT_DEV_TYPE(sata_hba_inst, 8224 sata_device->satadev_addr.cport) = 8225 sdinfo->satadrv_type; 8226 else /* SATA_ADDR_DPMPORT */ 8227 SATA_PMPORT_DEV_TYPE(sata_hba_inst, 8228 sata_device->satadev_addr.cport, 8229 sata_device->satadev_addr.pmport) = 8230 sdinfo->satadrv_type; 8231 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 8232 sata_device->satadev_addr.cport))); 8233 return (SATA_SUCCESS); 8234 } 8235 8236 failure: 8237 /* 8238 * Looks like we cannot determine the device type. 8239 */ 8240 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 8241 sata_device->satadev_addr.cport))); 8242 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 8243 if (sdinfo != NULL) { 8244 sata_device->satadev_type = SATA_DTYPE_UNKNOWN; 8245 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 8246 sdinfo->satadrv_state &= ~SATA_STATE_PROBING; 8247 sdinfo->satadrv_state = SATA_STATE_PROBED; 8248 if (sata_device->satadev_addr.qual == SATA_ADDR_DCPORT) 8249 SATA_CPORT_DEV_TYPE(sata_hba_inst, 8250 sata_device->satadev_addr.cport) = 8251 SATA_DTYPE_UNKNOWN; 8252 else { 8253 /* SATA_ADDR_DPMPORT */ 8254 if ((SATA_PMULT_INFO(sata_hba_inst, 8255 sata_device->satadev_addr.cport) != NULL) && 8256 (SATA_PMPORT_INFO(sata_hba_inst, 8257 sata_device->satadev_addr.cport, 8258 sata_device->satadev_addr.pmport) != NULL)) 8259 SATA_PMPORT_DEV_TYPE(sata_hba_inst, 8260 sata_device->satadev_addr.cport, 8261 sata_device->satadev_addr.pmport) = 8262 SATA_DTYPE_UNKNOWN; 8263 } 8264 } 8265 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 8266 sata_device->satadev_addr.cport))); 8267 return (SATA_FAILURE); 8268 } 8269 8270 8271 /* 8272 * Get pointer to sata_drive_info structure. 8273 * 8274 * The sata_device has to contain address (cport, pmport and qualifier) for 8275 * specified sata_scsi structure. 8276 * 8277 * Returns NULL if device address is not valid for this HBA configuration. 8278 * Otherwise, returns a pointer to sata_drive_info structure. 8279 * 8280 * This function should be called with a port mutex held. 8281 */ 8282 static sata_drive_info_t * 8283 sata_get_device_info(sata_hba_inst_t *sata_hba_inst, 8284 sata_device_t *sata_device) 8285 { 8286 uint8_t cport = sata_device->satadev_addr.cport; 8287 uint8_t pmport = sata_device->satadev_addr.pmport; 8288 uint8_t qual = sata_device->satadev_addr.qual; 8289 8290 if (cport >= SATA_NUM_CPORTS(sata_hba_inst)) 8291 return (NULL); 8292 8293 if (!(SATA_CPORT_STATE(sata_hba_inst, cport) & 8294 (SATA_STATE_PROBED | SATA_STATE_READY))) 8295 /* Port not probed yet */ 8296 return (NULL); 8297 8298 if (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) == SATA_DTYPE_NONE) 8299 return (NULL); 8300 8301 if (qual == SATA_ADDR_DCPORT) { 8302 /* Request for a device on a controller port */ 8303 if (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) == 8304 SATA_DTYPE_PMULT) 8305 /* Port multiplier attached */ 8306 return (NULL); 8307 return (SATA_CPORT_DRV_INFO(sata_hba_inst, cport)); 8308 } 8309 if (qual == SATA_ADDR_DPMPORT) { 8310 if (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) != 8311 SATA_DTYPE_PMULT) 8312 return (NULL); 8313 8314 if (pmport > SATA_NUM_PMPORTS(sata_hba_inst, cport)) 8315 return (NULL); 8316 8317 return (SATA_PMPORT_DRV_INFO(sata_hba_inst, cport, pmport)); 8318 } 8319 8320 /* we should not get here */ 8321 return (NULL); 8322 } 8323 8324 8325 /* 8326 * sata_identify_device. 8327 * Send Identify Device command to SATA HBA driver. 8328 * If command executes successfully, update sata_drive_info structure pointed 8329 * to by sdinfo argument, including Identify Device data. 8330 * If command fails, invalidate data in sata_drive_info. 8331 * 8332 * Cannot be called from interrupt level. 8333 * 8334 * Returns: 8335 * 0 if device was identified as a supported device, 8336 * 1 if device was not idenitfied but identify attempt could be retried, 8337 * -1if device was not idenitfied and identify attempt should not be retried. 8338 */ 8339 static int 8340 sata_identify_device(sata_hba_inst_t *sata_hba_inst, 8341 sata_drive_info_t *sdinfo) 8342 { 8343 uint16_t cfg_word; 8344 int rval; 8345 int i; 8346 8347 /* fetch device identify data */ 8348 if ((rval = sata_fetch_device_identify_data( 8349 sata_hba_inst, sdinfo)) != 0) 8350 goto fail_unknown; 8351 8352 cfg_word = sdinfo->satadrv_id.ai_config; 8353 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK && 8354 (cfg_word & SATA_ATA_TYPE_MASK) != SATA_ATA_TYPE) { 8355 /* Change device type to reflect Identify Device data */ 8356 if (((cfg_word & SATA_ATAPI_TYPE_MASK) == 8357 SATA_ATAPI_TYPE) && 8358 ((cfg_word & SATA_ATAPI_ID_DEV_TYPE) == 8359 SATA_ATAPI_CDROM_DEV)) { 8360 sdinfo->satadrv_type = SATA_DTYPE_ATAPICD; 8361 } else { 8362 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 8363 } 8364 } else if (sdinfo->satadrv_type == SATA_DTYPE_ATAPICD && 8365 (((cfg_word & SATA_ATAPI_TYPE_MASK) != SATA_ATAPI_TYPE) || 8366 ((cfg_word & SATA_ATAPI_ID_DEV_TYPE) != SATA_ATAPI_CDROM_DEV))) { 8367 /* Change device type to reflect Identify Device data ! */ 8368 if ((sdinfo->satadrv_id.ai_config & SATA_ATA_TYPE_MASK) == 8369 SATA_ATA_TYPE) { 8370 sdinfo->satadrv_type = SATA_DTYPE_ATADISK; 8371 } else { 8372 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 8373 } 8374 } 8375 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 8376 if (sdinfo->satadrv_capacity == 0) { 8377 /* Non-LBA disk. Too bad... */ 8378 sata_log(sata_hba_inst, CE_WARN, 8379 "SATA disk device at port %d does not support LBA", 8380 sdinfo->satadrv_addr.cport); 8381 rval = -1; 8382 goto fail_unknown; 8383 } 8384 } 8385 /* Check for Ultra DMA modes 6 through 0 being supported */ 8386 for (i = 6; i >= 0; --i) { 8387 if (sdinfo->satadrv_id.ai_ultradma & (1 << i)) 8388 break; 8389 } 8390 /* 8391 * At least UDMA 4 mode has to be supported. If mode 4 or 8392 * higher are not supported by the device, fail this 8393 * device. 8394 */ 8395 if (i < 4) { 8396 /* No required Ultra DMA mode supported */ 8397 sata_log(sata_hba_inst, CE_WARN, 8398 "SATA disk device at port %d does not support UDMA " 8399 "mode 4 or higher", sdinfo->satadrv_addr.cport); 8400 SATA_LOG_D((sata_hba_inst, CE_WARN, 8401 "mode 4 or higher required, %d supported", i)); 8402 rval = -1; 8403 goto fail_unknown; 8404 } 8405 8406 return (0); 8407 8408 fail_unknown: 8409 /* Invalidate sata_drive_info ? */ 8410 sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; 8411 sdinfo->satadrv_state = SATA_STATE_UNKNOWN; 8412 return (rval); 8413 } 8414 8415 /* 8416 * Log/display device information 8417 */ 8418 static void 8419 sata_show_drive_info(sata_hba_inst_t *sata_hba_inst, 8420 sata_drive_info_t *sdinfo) 8421 { 8422 int valid_version; 8423 char msg_buf[MAXPATHLEN]; 8424 8425 /* Show HBA path */ 8426 (void) ddi_pathname(SATA_DIP(sata_hba_inst), msg_buf); 8427 8428 cmn_err(CE_CONT, "?%s :\n", msg_buf); 8429 8430 if (sdinfo->satadrv_type == SATA_DTYPE_UNKNOWN) { 8431 (void) sprintf(msg_buf, 8432 "Unsupported SATA device type (cfg 0x%x) at ", 8433 sdinfo->satadrv_id.ai_config); 8434 } else { 8435 (void) sprintf(msg_buf, "SATA %s device at", 8436 sdinfo->satadrv_type == SATA_DTYPE_ATADISK ? 8437 "disk":"CD/DVD (ATAPI)"); 8438 } 8439 if (sdinfo->satadrv_addr.qual == SATA_ADDR_DCPORT) 8440 cmn_err(CE_CONT, "?\t%s port %d\n", 8441 msg_buf, sdinfo->satadrv_addr.cport); 8442 else 8443 cmn_err(CE_CONT, "?\t%s port %d pmport %d\n", 8444 msg_buf, sdinfo->satadrv_addr.cport, 8445 sdinfo->satadrv_addr.pmport); 8446 8447 bcopy(&sdinfo->satadrv_id.ai_model, msg_buf, 8448 sizeof (sdinfo->satadrv_id.ai_model)); 8449 swab(msg_buf, msg_buf, sizeof (sdinfo->satadrv_id.ai_model)); 8450 msg_buf[sizeof (sdinfo->satadrv_id.ai_model)] = '\0'; 8451 cmn_err(CE_CONT, "?\tmodel %s\n", msg_buf); 8452 8453 bcopy(&sdinfo->satadrv_id.ai_fw, msg_buf, 8454 sizeof (sdinfo->satadrv_id.ai_fw)); 8455 swab(msg_buf, msg_buf, sizeof (sdinfo->satadrv_id.ai_fw)); 8456 msg_buf[sizeof (sdinfo->satadrv_id.ai_fw)] = '\0'; 8457 cmn_err(CE_CONT, "?\tfirmware %s\n", msg_buf); 8458 8459 bcopy(&sdinfo->satadrv_id.ai_drvser, msg_buf, 8460 sizeof (sdinfo->satadrv_id.ai_drvser)); 8461 swab(msg_buf, msg_buf, sizeof (sdinfo->satadrv_id.ai_drvser)); 8462 msg_buf[sizeof (sdinfo->satadrv_id.ai_drvser)] = '\0'; 8463 cmn_err(CE_CONT, "?\tserial number %s\n", msg_buf); 8464 8465 #ifdef SATA_DEBUG 8466 if (sdinfo->satadrv_id.ai_majorversion != 0 && 8467 sdinfo->satadrv_id.ai_majorversion != 0xffff) { 8468 int i; 8469 for (i = 14; i >= 2; i--) { 8470 if (sdinfo->satadrv_id.ai_majorversion & (1 << i)) { 8471 valid_version = i; 8472 break; 8473 } 8474 } 8475 cmn_err(CE_CONT, 8476 "?\tATA/ATAPI-%d supported, majver 0x%x minver 0x%x\n", 8477 valid_version, 8478 sdinfo->satadrv_id.ai_majorversion, 8479 sdinfo->satadrv_id.ai_minorversion); 8480 } 8481 #endif 8482 /* Log some info */ 8483 cmn_err(CE_CONT, "?\tsupported features:\n"); 8484 msg_buf[0] = '\0'; 8485 if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) 8486 (void) strlcat(msg_buf, "48-bit LBA", MAXPATHLEN); 8487 else if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA28) 8488 (void) strlcat(msg_buf, "28-bit LBA", MAXPATHLEN); 8489 if (sdinfo->satadrv_features_support & SATA_DEV_F_DMA) 8490 (void) strlcat(msg_buf, ", DMA", MAXPATHLEN); 8491 if (sdinfo->satadrv_features_support & SATA_DEV_F_NCQ) 8492 (void) strlcat(msg_buf, ", Native Command Queueing", 8493 MAXPATHLEN); 8494 if (sdinfo->satadrv_features_support & SATA_DEV_F_TCQ) 8495 (void) strlcat(msg_buf, ", Legacy Tagged Queuing", MAXPATHLEN); 8496 if ((sdinfo->satadrv_id.ai_cmdset82 & SATA_SMART_SUPPORTED) && 8497 (sdinfo->satadrv_id.ai_features85 & SATA_SMART_ENABLED)) 8498 (void) strlcat(msg_buf, ", SMART", MAXPATHLEN); 8499 if ((sdinfo->satadrv_id.ai_cmdset84 & SATA_SMART_SELF_TEST_SUPPORTED) && 8500 (sdinfo->satadrv_id.ai_features87 & SATA_SMART_SELF_TEST_SUPPORTED)) 8501 (void) strlcat(msg_buf, ", SMART self-test", MAXPATHLEN); 8502 cmn_err(CE_CONT, "?\t %s\n", msg_buf); 8503 if (sdinfo->satadrv_features_support & SATA_DEV_F_SATA2) 8504 cmn_err(CE_CONT, "?\tSATA1 & SATA2 compatible\n"); 8505 else if (sdinfo->satadrv_features_support & SATA_DEV_F_SATA1) 8506 cmn_err(CE_CONT, "?\tSATA1 compatible\n"); 8507 if (sdinfo->satadrv_features_support & SATA_DEV_F_TCQ) { 8508 cmn_err(CE_CONT, "?\tQueue depth %d\n", 8509 sdinfo->satadrv_queue_depth); 8510 } 8511 8512 if (sdinfo->satadrv_features_support & 8513 (SATA_DEV_F_TCQ | SATA_DEV_F_NCQ)) { 8514 (void) sprintf(msg_buf, "\tqueue depth %d\n", 8515 sdinfo->satadrv_queue_depth); 8516 cmn_err(CE_CONT, "?%s", msg_buf); 8517 } 8518 8519 #ifdef __i386 8520 (void) sprintf(msg_buf, "\tcapacity = %llu sectors\n", 8521 sdinfo->satadrv_capacity); 8522 #else 8523 (void) sprintf(msg_buf, "\tcapacity = %lu sectors\n", 8524 sdinfo->satadrv_capacity); 8525 #endif 8526 cmn_err(CE_CONT, "?%s", msg_buf); 8527 } 8528 8529 8530 /* 8531 * sata_save_drive_settings extracts current setting of the device and stores 8532 * it for future reference, in case the device setup would need to be restored 8533 * after the device reset. 8534 * 8535 * At the moment only read ahead and write cache settings are saved, if the 8536 * device supports these features at all. 8537 */ 8538 static void 8539 sata_save_drive_settings(sata_drive_info_t *sdinfo) 8540 { 8541 if (!(sdinfo->satadrv_id.ai_cmdset82 & SATA_LOOK_AHEAD) && 8542 !(sdinfo->satadrv_id.ai_cmdset82 & SATA_WRITE_CACHE)) { 8543 /* None of the features is supported - do nothing */ 8544 return; 8545 } 8546 8547 /* Current setting of Read Ahead (and Read Cache) */ 8548 if (sdinfo->satadrv_id.ai_features85 & SATA_LOOK_AHEAD) 8549 sdinfo->satadrv_settings |= SATA_DEV_READ_AHEAD; 8550 else 8551 sdinfo->satadrv_settings &= ~SATA_DEV_READ_AHEAD; 8552 8553 /* Current setting of Write Cache */ 8554 if (sdinfo->satadrv_id.ai_features85 & SATA_WRITE_CACHE) 8555 sdinfo->satadrv_settings |= SATA_DEV_WRITE_CACHE; 8556 else 8557 sdinfo->satadrv_settings &= ~SATA_DEV_WRITE_CACHE; 8558 } 8559 8560 8561 /* 8562 * sata_check_capacity function determines a disk capacity 8563 * and addressing mode (LBA28/LBA48) by examining a disk identify device data. 8564 * 8565 * NOTE: CHS mode is not supported! If a device does not support LBA, 8566 * this function is not called. 8567 * 8568 * Returns device capacity in number of blocks, i.e. largest addressable LBA+1 8569 */ 8570 static uint64_t 8571 sata_check_capacity(sata_drive_info_t *sdinfo) 8572 { 8573 uint64_t capacity = 0; 8574 int i; 8575 8576 if (sdinfo->satadrv_type != SATA_DTYPE_ATADISK || 8577 !sdinfo->satadrv_id.ai_cap & SATA_LBA_SUPPORT) 8578 /* Capacity valid only for LBA-addressable disk devices */ 8579 return (0); 8580 8581 if ((sdinfo->satadrv_id.ai_validinfo & SATA_VALIDINFO_88) && 8582 (sdinfo->satadrv_id.ai_cmdset83 & SATA_EXT48) && 8583 (sdinfo->satadrv_id.ai_features86 & SATA_EXT48)) { 8584 /* LBA48 mode supported and enabled */ 8585 sdinfo->satadrv_features_support |= SATA_DEV_F_LBA48 | 8586 SATA_DEV_F_LBA28; 8587 for (i = 3; i >= 0; --i) { 8588 capacity <<= 16; 8589 capacity += sdinfo->satadrv_id.ai_addrsecxt[i]; 8590 } 8591 } else { 8592 capacity = sdinfo->satadrv_id.ai_addrsec[1]; 8593 capacity <<= 16; 8594 capacity += sdinfo->satadrv_id.ai_addrsec[0]; 8595 if (capacity >= 0x1000000) 8596 /* LBA28 mode */ 8597 sdinfo->satadrv_features_support |= SATA_DEV_F_LBA28; 8598 } 8599 return (capacity); 8600 } 8601 8602 8603 /* 8604 * Allocate consistent buffer for DMA transfer 8605 * 8606 * Cannot be called from interrupt level or with mutex held - it may sleep. 8607 * 8608 * Returns pointer to allocated buffer structure, or NULL if allocation failed. 8609 */ 8610 static struct buf * 8611 sata_alloc_local_buffer(sata_pkt_txlate_t *spx, int len) 8612 { 8613 struct scsi_address ap; 8614 struct buf *bp; 8615 ddi_dma_attr_t cur_dma_attr; 8616 8617 ASSERT(spx->txlt_sata_pkt != NULL); 8618 ap.a_hba_tran = spx->txlt_sata_hba_inst->satahba_scsi_tran; 8619 ap.a_target = SATA_TO_SCSI_TARGET( 8620 spx->txlt_sata_pkt->satapkt_device.satadev_addr.cport, 8621 spx->txlt_sata_pkt->satapkt_device.satadev_addr.pmport, 8622 spx->txlt_sata_pkt->satapkt_device.satadev_addr.qual); 8623 ap.a_lun = 0; 8624 8625 bp = scsi_alloc_consistent_buf(&ap, NULL, len, 8626 B_READ, SLEEP_FUNC, NULL); 8627 8628 if (bp != NULL) { 8629 /* Allocate DMA resources for this buffer */ 8630 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = bp; 8631 /* 8632 * We use a local version of the dma_attr, to account 8633 * for a device addressing limitations. 8634 * sata_adjust_dma_attr() will handle sdinfo == NULL which 8635 * will cause dma attributes to be adjusted to a lowest 8636 * acceptable level. 8637 */ 8638 sata_adjust_dma_attr(NULL, 8639 SATA_DMA_ATTR(spx->txlt_sata_hba_inst), &cur_dma_attr); 8640 8641 if (sata_dma_buf_setup(spx, PKT_CONSISTENT, 8642 SLEEP_FUNC, NULL, &cur_dma_attr) != DDI_SUCCESS) { 8643 scsi_free_consistent_buf(bp); 8644 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; 8645 bp = NULL; 8646 } 8647 } 8648 return (bp); 8649 } 8650 8651 /* 8652 * Release local buffer (consistent buffer for DMA transfer) allocated 8653 * via sata_alloc_local_buffer(). 8654 */ 8655 static void 8656 sata_free_local_buffer(sata_pkt_txlate_t *spx) 8657 { 8658 ASSERT(spx->txlt_sata_pkt != NULL); 8659 ASSERT(spx->txlt_dma_cookie_list != NULL); 8660 ASSERT(spx->txlt_dma_cookie_list_len != 0); 8661 ASSERT(spx->txlt_buf_dma_handle != NULL); 8662 ASSERT(spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp != NULL); 8663 8664 spx->txlt_sata_pkt->satapkt_cmd.satacmd_num_dma_cookies = 0; 8665 spx->txlt_sata_pkt->satapkt_cmd.satacmd_dma_cookie_list = NULL; 8666 8667 /* Free DMA resources */ 8668 (void) ddi_dma_unbind_handle(spx->txlt_buf_dma_handle); 8669 ddi_dma_free_handle(&spx->txlt_buf_dma_handle); 8670 spx->txlt_buf_dma_handle = 0; 8671 8672 kmem_free(spx->txlt_dma_cookie_list, 8673 spx->txlt_dma_cookie_list_len * sizeof (ddi_dma_cookie_t)); 8674 spx->txlt_dma_cookie_list = NULL; 8675 spx->txlt_dma_cookie_list_len = 0; 8676 8677 /* Free buffer */ 8678 scsi_free_consistent_buf(spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp); 8679 } 8680 8681 8682 8683 8684 /* 8685 * Allocate sata_pkt 8686 * Pkt structure version and embedded strcutures version are initialized. 8687 * sata_pkt and sata_pkt_txlate structures are cross-linked. 8688 * 8689 * Since this may be called in interrupt context by sata_scsi_init_pkt, 8690 * callback argument determines if it can sleep or not. 8691 * Hence, it should not be called from interrupt context. 8692 * 8693 * If successful, non-NULL pointer to a sata pkt is returned. 8694 * Upon failure, NULL pointer is returned. 8695 */ 8696 static sata_pkt_t * 8697 sata_pkt_alloc(sata_pkt_txlate_t *spx, int (*callback)(caddr_t)) 8698 { 8699 sata_pkt_t *spkt; 8700 int kmsflag; 8701 8702 kmsflag = (callback == SLEEP_FUNC) ? KM_SLEEP : KM_NOSLEEP; 8703 spkt = kmem_zalloc(sizeof (sata_pkt_t), kmsflag); 8704 if (spkt == NULL) { 8705 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 8706 "sata_pkt_alloc: failed")); 8707 return (NULL); 8708 } 8709 spkt->satapkt_rev = SATA_PKT_REV; 8710 spkt->satapkt_cmd.satacmd_rev = SATA_CMD_REV; 8711 spkt->satapkt_device.satadev_rev = SATA_DEVICE_REV; 8712 spkt->satapkt_framework_private = spx; 8713 spx->txlt_sata_pkt = spkt; 8714 return (spkt); 8715 } 8716 8717 /* 8718 * Free sata pkt allocated via sata_pkt_alloc() 8719 */ 8720 static void 8721 sata_pkt_free(sata_pkt_txlate_t *spx) 8722 { 8723 ASSERT(spx->txlt_sata_pkt != NULL); 8724 ASSERT(spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp == NULL); 8725 kmem_free(spx->txlt_sata_pkt, sizeof (sata_pkt_t)); 8726 spx->txlt_sata_pkt = NULL; 8727 } 8728 8729 8730 /* 8731 * Adjust DMA attributes. 8732 * SCSI cmds block count is up to 24 bits, SATA cmd block count vary 8733 * from 8 bits to 16 bits, depending on a command being used. 8734 * Limiting max block count arbitrarily to 256 for all read/write 8735 * commands may affects performance, so check both the device and 8736 * controller capability before adjusting dma attributes. 8737 * For ATAPI CD/DVD dma granularity has to be adjusted as well, 8738 * because these devices support block size of 2k rather 8739 * then 512 bytes. 8740 */ 8741 void 8742 sata_adjust_dma_attr(sata_drive_info_t *sdinfo, ddi_dma_attr_t *dma_attr, 8743 ddi_dma_attr_t *adj_dma_attr) 8744 { 8745 uint32_t count_max; 8746 8747 /* Copy original attributes */ 8748 *adj_dma_attr = *dma_attr; 8749 8750 /* 8751 * Things to consider: device addressing capability, 8752 * "excessive" controller DMA capabilities. 8753 * If a device is being probed/initialized, there are 8754 * no device info - use default limits then. 8755 */ 8756 if (sdinfo == NULL) { 8757 count_max = dma_attr->dma_attr_granular * 0x100; 8758 if (dma_attr->dma_attr_count_max > count_max) 8759 adj_dma_attr->dma_attr_count_max = count_max; 8760 if (dma_attr->dma_attr_maxxfer > count_max) 8761 adj_dma_attr->dma_attr_maxxfer = count_max; 8762 return; 8763 } 8764 if (sdinfo->satadrv_type == SATA_DTYPE_ATAPICD) { 8765 /* arbitrarily modify controller dma granularity */ 8766 adj_dma_attr->dma_attr_granular = SATA_ATAPI_SECTOR_SIZE; 8767 } 8768 8769 if (sdinfo->satadrv_features_support & (SATA_DEV_F_LBA48)) { 8770 /* 8771 * 16-bit sector count may be used - we rely on 8772 * the assumption that only read and write cmds 8773 * will request more than 256 sectors worth of data 8774 */ 8775 count_max = adj_dma_attr->dma_attr_granular * 0x10000; 8776 } else { 8777 /* 8778 * 8-bit sector count will be used - default limits 8779 * for dma attributes 8780 */ 8781 count_max = adj_dma_attr->dma_attr_granular * 0x100; 8782 } 8783 8784 8785 /* 8786 * Adjust controler dma attributes, if necessary 8787 */ 8788 if (dma_attr->dma_attr_count_max > count_max) 8789 adj_dma_attr->dma_attr_count_max = count_max; 8790 if (dma_attr->dma_attr_maxxfer > count_max) 8791 adj_dma_attr->dma_attr_maxxfer = count_max; 8792 } 8793 8794 8795 /* 8796 * Allocate DMA resources for the buffer 8797 * This function handles initial DMA resource allocation as well as 8798 * DMA window shift and may be called repeatedly for the same DMA window 8799 * until all DMA cookies in the DMA window are processed. 8800 * 8801 * Returns DDI_SUCCESS upon successful operation, 8802 * returns failure code returned by failing commands or DDI_FAILURE when 8803 * internal cleanup failed. 8804 */ 8805 static int 8806 sata_dma_buf_setup(sata_pkt_txlate_t *spx, int flags, 8807 int (*callback)(caddr_t), caddr_t arg, 8808 ddi_dma_attr_t *cur_dma_attr) 8809 { 8810 int rval; 8811 ddi_dma_cookie_t cookie; 8812 off_t offset; 8813 size_t size; 8814 int max_sg_len, req_sg_len, i; 8815 uint_t dma_flags; 8816 struct buf *bp; 8817 uint64_t max_txfer_len; 8818 uint64_t cur_txfer_len; 8819 8820 8821 ASSERT(spx->txlt_sata_pkt != NULL); 8822 bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; 8823 ASSERT(bp != NULL); 8824 8825 8826 if (spx->txlt_buf_dma_handle == NULL) { 8827 /* 8828 * No DMA resources allocated so far - this is a first call 8829 * for this sata pkt. 8830 */ 8831 rval = ddi_dma_alloc_handle(SATA_DIP(spx->txlt_sata_hba_inst), 8832 cur_dma_attr, callback, arg, &spx->txlt_buf_dma_handle); 8833 8834 if (rval != DDI_SUCCESS) { 8835 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 8836 "sata_dma_buf_setup: no buf DMA resources %x", 8837 rval)); 8838 return (rval); 8839 } 8840 8841 if (bp->b_flags & B_READ) 8842 dma_flags = DDI_DMA_READ; 8843 else 8844 dma_flags = DDI_DMA_WRITE; 8845 8846 if (flags & PKT_CONSISTENT) 8847 dma_flags |= DDI_DMA_CONSISTENT; 8848 8849 if (flags & PKT_DMA_PARTIAL) 8850 dma_flags |= DDI_DMA_PARTIAL; 8851 8852 /* 8853 * Check buffer alignment and size against dma attributes 8854 * Consider dma_attr_align only. There may be requests 8855 * with the size lower then device granularity, but they 8856 * will not read/write from/to the device, so no adjustment 8857 * is necessary. The dma_attr_minxfer theoretically should 8858 * be considered, but no HBA driver is checking it. 8859 */ 8860 if (IS_P2ALIGNED(bp->b_un.b_addr, 8861 cur_dma_attr->dma_attr_align)) { 8862 rval = ddi_dma_buf_bind_handle( 8863 spx->txlt_buf_dma_handle, 8864 bp, dma_flags, callback, arg, 8865 &cookie, 8866 &spx->txlt_curwin_num_dma_cookies); 8867 } else { /* Buffer is not aligned */ 8868 8869 int (*ddicallback)(caddr_t); 8870 size_t bufsz; 8871 8872 /* Check id sleeping is allowed */ 8873 ddicallback = (callback == NULL_FUNC) ? 8874 DDI_DMA_DONTWAIT : DDI_DMA_SLEEP; 8875 8876 SATADBG2(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, 8877 "mis-aligned buffer: addr=0x%p, cnt=%lu", 8878 (void *)bp->b_un.b_addr, bp->b_bcount); 8879 8880 if (bp->b_flags & (B_PAGEIO|B_PHYS)) 8881 /* 8882 * CPU will need to access data in the buffer 8883 * (for copying) so map it. 8884 */ 8885 bp_mapin(bp); 8886 8887 ASSERT(spx->txlt_tmp_buf == NULL); 8888 8889 /* Buffer may be padded by ddi_dma_mem_alloc()! */ 8890 rval = ddi_dma_mem_alloc( 8891 spx->txlt_buf_dma_handle, 8892 bp->b_bcount, 8893 &sata_acc_attr, 8894 DDI_DMA_STREAMING, 8895 ddicallback, NULL, 8896 &spx->txlt_tmp_buf, 8897 &bufsz, 8898 &spx->txlt_tmp_buf_handle); 8899 8900 if (rval != DDI_SUCCESS) { 8901 /* DMA mapping failed */ 8902 (void) ddi_dma_free_handle( 8903 &spx->txlt_buf_dma_handle); 8904 spx->txlt_buf_dma_handle = NULL; 8905 #ifdef SATA_DEBUG 8906 mbuffail_count++; 8907 #endif 8908 SATADBG1(SATA_DBG_DMA_SETUP, 8909 spx->txlt_sata_hba_inst, 8910 "sata_dma_buf_setup: " 8911 "buf dma mem alloc failed %x\n", rval); 8912 return (rval); 8913 } 8914 ASSERT(IS_P2ALIGNED(spx->txlt_tmp_buf, 8915 cur_dma_attr->dma_attr_align)); 8916 8917 #ifdef SATA_DEBUG 8918 mbuf_count++; 8919 8920 if (bp->b_bcount != bufsz) 8921 /* 8922 * This will require special handling, because 8923 * DMA cookies will be based on the temporary 8924 * buffer size, not the original buffer 8925 * b_bcount, so the residue may have to 8926 * be counted differently. 8927 */ 8928 SATADBG2(SATA_DBG_DMA_SETUP, 8929 spx->txlt_sata_hba_inst, 8930 "sata_dma_buf_setup: bp size %x != " 8931 "bufsz %x\n", bp->b_bcount, bufsz); 8932 #endif 8933 if (dma_flags & DDI_DMA_WRITE) { 8934 /* 8935 * Write operation - copy data into 8936 * an aligned temporary buffer. Buffer will be 8937 * synced for device by ddi_dma_addr_bind_handle 8938 */ 8939 bcopy(bp->b_un.b_addr, spx->txlt_tmp_buf, 8940 bp->b_bcount); 8941 } 8942 8943 rval = ddi_dma_addr_bind_handle( 8944 spx->txlt_buf_dma_handle, 8945 NULL, 8946 spx->txlt_tmp_buf, 8947 bufsz, dma_flags, ddicallback, 0, 8948 &cookie, &spx->txlt_curwin_num_dma_cookies); 8949 } 8950 8951 switch (rval) { 8952 case DDI_DMA_PARTIAL_MAP: 8953 SATADBG1(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, 8954 "sata_dma_buf_setup: DMA Partial Map\n", NULL); 8955 /* 8956 * Partial DMA mapping. 8957 * Retrieve number of DMA windows for this request. 8958 */ 8959 if (ddi_dma_numwin(spx->txlt_buf_dma_handle, 8960 &spx->txlt_num_dma_win) != DDI_SUCCESS) { 8961 if (spx->txlt_tmp_buf != NULL) { 8962 ddi_dma_mem_free( 8963 &spx->txlt_tmp_buf_handle); 8964 spx->txlt_tmp_buf = NULL; 8965 } 8966 (void) ddi_dma_unbind_handle( 8967 spx->txlt_buf_dma_handle); 8968 (void) ddi_dma_free_handle( 8969 &spx->txlt_buf_dma_handle); 8970 spx->txlt_buf_dma_handle = NULL; 8971 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 8972 "sata_dma_buf_setup: numwin failed\n")); 8973 return (DDI_FAILURE); 8974 } 8975 spx->txlt_cur_dma_win = 0; 8976 break; 8977 8978 case DDI_DMA_MAPPED: 8979 /* DMA fully mapped */ 8980 spx->txlt_num_dma_win = 1; 8981 spx->txlt_cur_dma_win = 0; 8982 break; 8983 8984 default: 8985 /* DMA mapping failed */ 8986 if (spx->txlt_tmp_buf != NULL) { 8987 ddi_dma_mem_free( 8988 &spx->txlt_tmp_buf_handle); 8989 spx->txlt_tmp_buf = NULL; 8990 } 8991 (void) ddi_dma_free_handle(&spx->txlt_buf_dma_handle); 8992 spx->txlt_buf_dma_handle = NULL; 8993 SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, 8994 "sata_dma_buf_setup: buf dma handle binding " 8995 "failed %x\n", rval)); 8996 return (rval); 8997 } 8998 spx->txlt_curwin_processed_dma_cookies = 0; 8999 spx->txlt_dma_cookie_list = NULL; 9000 } else { 9001 /* 9002 * DMA setup is reused. Check if we need to process more 9003 * cookies in current window, or to get next window, if any. 9004 */ 9005 9006 ASSERT(spx->txlt_curwin_processed_dma_cookies <= 9007 spx->txlt_curwin_num_dma_cookies); 9008 9009 if (spx->txlt_curwin_processed_dma_cookies == 9010 spx->txlt_curwin_num_dma_cookies) { 9011 /* 9012 * All cookies from current DMA window were processed. 9013 * Get next DMA window. 9014 */ 9015 spx->txlt_cur_dma_win++; 9016 if (spx->txlt_cur_dma_win < spx->txlt_num_dma_win) { 9017 (void) ddi_dma_getwin(spx->txlt_buf_dma_handle, 9018 spx->txlt_cur_dma_win, &offset, &size, 9019 &cookie, 9020 &spx->txlt_curwin_num_dma_cookies); 9021 spx->txlt_curwin_processed_dma_cookies = 0; 9022 9023 } else { 9024 /* No more windows! End of request! */ 9025 /* What to do? - panic for now */ 9026 ASSERT(spx->txlt_cur_dma_win >= 9027 spx->txlt_num_dma_win); 9028 9029 spx->txlt_curwin_num_dma_cookies = 0; 9030 spx->txlt_curwin_processed_dma_cookies = 0; 9031 spx->txlt_sata_pkt-> 9032 satapkt_cmd.satacmd_num_dma_cookies = 0; 9033 return (DDI_SUCCESS); 9034 } 9035 } 9036 } 9037 /* There better be at least one DMA cookie */ 9038 ASSERT((spx->txlt_curwin_num_dma_cookies - 9039 spx->txlt_curwin_processed_dma_cookies) > 0); 9040 9041 if (spx->txlt_curwin_processed_dma_cookies == 0) { 9042 /* 9043 * Processing a new DMA window - set-up dma cookies list. 9044 * We may reuse previously allocated cookie array if it is 9045 * possible. 9046 */ 9047 if (spx->txlt_dma_cookie_list != NULL && 9048 spx->txlt_dma_cookie_list_len < 9049 spx->txlt_curwin_num_dma_cookies) { 9050 /* 9051 * New DMA window contains more cookies than 9052 * the previous one. We need larger cookie list - free 9053 * the old one. 9054 */ 9055 (void) kmem_free(spx->txlt_dma_cookie_list, 9056 spx->txlt_dma_cookie_list_len * 9057 sizeof (ddi_dma_cookie_t)); 9058 spx->txlt_dma_cookie_list = NULL; 9059 spx->txlt_dma_cookie_list_len = 0; 9060 } 9061 if (spx->txlt_dma_cookie_list == NULL) { 9062 /* Allocate new dma cookie array */ 9063 spx->txlt_dma_cookie_list = kmem_zalloc( 9064 sizeof (ddi_dma_cookie_t) * 9065 spx->txlt_curwin_num_dma_cookies, 9066 callback == NULL_FUNC ? KM_NOSLEEP : KM_SLEEP); 9067 spx->txlt_dma_cookie_list_len = 9068 spx->txlt_curwin_num_dma_cookies; 9069 } 9070 /* 9071 * Copy all DMA cookies into local list, so we will know their 9072 * dma_size in advance of setting the sata_pkt. 9073 * One cookie was already fetched, so copy it. 9074 */ 9075 *(&spx->txlt_dma_cookie_list[0]) = cookie; 9076 for (i = 1; i < spx->txlt_curwin_num_dma_cookies; i++) { 9077 ddi_dma_nextcookie(spx->txlt_buf_dma_handle, &cookie); 9078 *(&spx->txlt_dma_cookie_list[i]) = cookie; 9079 } 9080 } else { 9081 SATADBG2(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, 9082 "sata_dma_buf_setup: sliding within DMA window, " 9083 "cur cookie %d, total cookies %d\n", 9084 spx->txlt_curwin_processed_dma_cookies, 9085 spx->txlt_curwin_num_dma_cookies); 9086 } 9087 9088 /* 9089 * Set-up sata_pkt cookie list. 9090 * No single cookie transfer size would exceed max transfer size of 9091 * an ATA command used for addressed device (tha adjustment of the dma 9092 * attributes took care of this). But there may be more 9093 * then one cookie, so the cmd cookie list has to be 9094 * constrained by both a maximum scatter gather list length and 9095 * a maximum transfer size restriction of an ATA command. 9096 */ 9097 9098 max_sg_len = cur_dma_attr->dma_attr_sgllen; 9099 req_sg_len = MIN(max_sg_len, 9100 (spx->txlt_curwin_num_dma_cookies - 9101 spx->txlt_curwin_processed_dma_cookies)); 9102 9103 ASSERT(req_sg_len > 0); 9104 9105 max_txfer_len = MAX((cur_dma_attr->dma_attr_granular * 0x100), 9106 cur_dma_attr->dma_attr_maxxfer); 9107 9108 /* One cookie should be always available */ 9109 spx->txlt_sata_pkt->satapkt_cmd.satacmd_dma_cookie_list = 9110 &spx->txlt_dma_cookie_list[spx->txlt_curwin_processed_dma_cookies]; 9111 9112 spx->txlt_sata_pkt->satapkt_cmd.satacmd_num_dma_cookies = 1; 9113 9114 cur_txfer_len = 9115 (uint64_t)spx->txlt_dma_cookie_list[ 9116 spx->txlt_curwin_processed_dma_cookies].dmac_size; 9117 9118 spx->txlt_curwin_processed_dma_cookies++; 9119 9120 ASSERT(cur_txfer_len <= max_txfer_len); 9121 9122 /* Add more cookies to the scatter-gather list */ 9123 for (i = 1; i < req_sg_len; i++) { 9124 if (cur_txfer_len < max_txfer_len) { 9125 /* 9126 * Check if the next cookie could be used by 9127 * this sata_pkt. 9128 */ 9129 if ((cur_txfer_len + 9130 spx->txlt_dma_cookie_list[ 9131 spx->txlt_curwin_processed_dma_cookies]. 9132 dmac_size) <= max_txfer_len) { 9133 /* Yes, transfer lenght is within bounds */ 9134 spx->txlt_sata_pkt-> 9135 satapkt_cmd.satacmd_num_dma_cookies++; 9136 cur_txfer_len += 9137 spx->txlt_dma_cookie_list[ 9138 spx->txlt_curwin_processed_dma_cookies]. 9139 dmac_size; 9140 spx->txlt_curwin_processed_dma_cookies++; 9141 } else { 9142 /* No, transfer would exceed max lenght. */ 9143 SATADBG3(SATA_DBG_DMA_SETUP, 9144 spx->txlt_sata_hba_inst, 9145 "ncookies %d, size 0x%lx, " 9146 "max_size 0x%lx\n", 9147 spx->txlt_sata_pkt-> 9148 satapkt_cmd.satacmd_num_dma_cookies, 9149 cur_txfer_len, max_txfer_len); 9150 break; 9151 } 9152 } else { 9153 /* Cmd max transfer length reached */ 9154 SATADBG3(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, 9155 "Max transfer length? " 9156 "ncookies %d, size 0x%lx, max_size 0x%lx\n", 9157 spx->txlt_sata_pkt-> 9158 satapkt_cmd.satacmd_num_dma_cookies, 9159 cur_txfer_len, max_txfer_len); 9160 break; 9161 } 9162 } 9163 9164 ASSERT(cur_txfer_len != 0); 9165 if (cur_txfer_len <= bp->b_bcount) 9166 spx->txlt_total_residue -= cur_txfer_len; 9167 else 9168 /* 9169 * Temporary DMA buffer has been padded by 9170 * ddi_dma_mem_alloc()! 9171 * This requires special handling, because DMA cookies are 9172 * based on the temporary buffer size, not the b_bcount, 9173 * and we have extra bytes to transfer - but the packet 9174 * residue has to stay correct because we will copy only 9175 * the requested number of bytes. 9176 */ 9177 spx->txlt_total_residue -= bp->b_bcount; 9178 9179 return (DDI_SUCCESS); 9180 } 9181 9182 9183 /* 9184 * Fetch Device Identify data. 9185 * Send DEVICE IDENTIFY command to a device and get the device identify data. 9186 * The device_info structure has to be set to device type (for selecting proper 9187 * device identify command). 9188 * 9189 * Returns: 9190 * 0 if cmd succeeded 9191 * 1 if cmd was rejected and could be retried, 9192 * -1if cmd failed and should not be retried (port error) 9193 * 9194 * Cannot be called in an interrupt context. 9195 */ 9196 9197 static int 9198 sata_fetch_device_identify_data(sata_hba_inst_t *sata_hba_inst, 9199 sata_drive_info_t *sdinfo) 9200 { 9201 struct buf *bp; 9202 sata_pkt_t *spkt; 9203 sata_cmd_t *scmd; 9204 sata_pkt_txlate_t *spx; 9205 int rval; 9206 9207 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 9208 spx->txlt_sata_hba_inst = sata_hba_inst; 9209 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 9210 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 9211 if (spkt == NULL) { 9212 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 9213 return (1); /* may retry later */ 9214 } 9215 /* address is needed now */ 9216 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 9217 9218 /* 9219 * Allocate buffer for Identify Data return data 9220 */ 9221 bp = sata_alloc_local_buffer(spx, sizeof (sata_id_t)); 9222 if (bp == NULL) { 9223 sata_pkt_free(spx); 9224 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 9225 SATA_LOG_D((sata_hba_inst, CE_WARN, 9226 "sata_fetch_device_identify_data: " 9227 "cannot allocate buffer for ID")); 9228 return (1); /* may retry later */ 9229 } 9230 9231 /* Fill sata_pkt */ 9232 sdinfo->satadrv_state = SATA_STATE_PROBING; 9233 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 9234 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 9235 /* Synchronous mode, no callback */ 9236 spkt->satapkt_comp = NULL; 9237 /* Timeout 30s */ 9238 spkt->satapkt_time = sata_default_pkt_time; 9239 9240 scmd = &spkt->satapkt_cmd; 9241 scmd->satacmd_bp = bp; 9242 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 9243 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 9244 9245 /* Build Identify Device cmd in the sata_pkt */ 9246 scmd->satacmd_addr_type = 0; /* N/A */ 9247 scmd->satacmd_sec_count_lsb = 0; /* N/A */ 9248 scmd->satacmd_lba_low_lsb = 0; /* N/A */ 9249 scmd->satacmd_lba_mid_lsb = 0; /* N/A */ 9250 scmd->satacmd_lba_high_lsb = 0; /* N/A */ 9251 scmd->satacmd_features_reg = 0; /* N/A */ 9252 scmd->satacmd_device_reg = 0; /* Always device 0 */ 9253 if (sdinfo->satadrv_type == SATA_DTYPE_ATAPICD) { 9254 /* Identify Packet Device cmd */ 9255 scmd->satacmd_cmd_reg = SATAC_ID_PACKET_DEVICE; 9256 } else { 9257 /* Identify Device cmd - mandatory for all other devices */ 9258 scmd->satacmd_cmd_reg = SATAC_ID_DEVICE; 9259 } 9260 9261 /* Send pkt to SATA HBA driver */ 9262 rval = (*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt); 9263 if (rval == SATA_TRAN_ACCEPTED && 9264 spkt->satapkt_reason == SATA_PKT_COMPLETED) { 9265 if ((sdinfo->satadrv_id.ai_config & 4) == 1) { 9266 sata_log(sata_hba_inst, CE_WARN, 9267 "SATA disk device at port %d - " 9268 "partial Identify Data", 9269 sdinfo->satadrv_addr.cport); 9270 rval = 1; /* may retry later */ 9271 goto fail; 9272 } 9273 /* Update sata_drive_info */ 9274 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 9275 DDI_DMA_SYNC_FORKERNEL); 9276 ASSERT(rval == DDI_SUCCESS); 9277 bcopy(bp->b_un.b_addr, &sdinfo->satadrv_id, 9278 sizeof (sata_id_t)); 9279 9280 sdinfo->satadrv_features_support = 0; 9281 if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { 9282 /* 9283 * Retrieve capacity (disks only) and addressing mode 9284 */ 9285 sdinfo->satadrv_capacity = sata_check_capacity(sdinfo); 9286 } else { 9287 /* 9288 * For ATAPI devices one has to issue Get Capacity cmd 9289 * (not needed at the moment) 9290 */ 9291 sdinfo->satadrv_capacity = 0; 9292 } 9293 /* Setup supported features flags */ 9294 if (sdinfo->satadrv_id.ai_cap & SATA_DMA_SUPPORT) 9295 sdinfo->satadrv_features_support |= SATA_DEV_F_DMA; 9296 9297 /* Check for NCQ support */ 9298 if (sdinfo->satadrv_id.ai_satacap != 0 && 9299 sdinfo->satadrv_id.ai_satacap != 0xffff) { 9300 /* SATA compliance */ 9301 if (sdinfo->satadrv_id.ai_satacap & SATA_NCQ) 9302 sdinfo->satadrv_features_support |= 9303 SATA_DEV_F_NCQ; 9304 if (sdinfo->satadrv_id.ai_satacap & 9305 (SATA_1_SPEED | SATA_2_SPEED)) { 9306 if (sdinfo->satadrv_id.ai_satacap & 9307 SATA_2_SPEED) 9308 sdinfo->satadrv_features_support |= 9309 SATA_DEV_F_SATA2; 9310 if (sdinfo->satadrv_id.ai_satacap & 9311 SATA_1_SPEED) 9312 sdinfo->satadrv_features_support |= 9313 SATA_DEV_F_SATA1; 9314 } else { 9315 sdinfo->satadrv_features_support |= 9316 SATA_DEV_F_SATA1; 9317 } 9318 } 9319 if ((sdinfo->satadrv_id.ai_cmdset83 & SATA_RW_DMA_QUEUED_CMD) && 9320 (sdinfo->satadrv_id.ai_features86 & SATA_RW_DMA_QUEUED_CMD)) 9321 sdinfo->satadrv_features_support |= SATA_DEV_F_TCQ; 9322 9323 sdinfo->satadrv_queue_depth = sdinfo->satadrv_id.ai_qdepth; 9324 if ((sdinfo->satadrv_features_support & SATA_DEV_F_NCQ) || 9325 (sdinfo->satadrv_features_support & SATA_DEV_F_TCQ)) 9326 ++sdinfo->satadrv_queue_depth; 9327 rval = 0; 9328 } else { 9329 /* 9330 * Woops, no Identify Data. 9331 */ 9332 if (rval == SATA_TRAN_BUSY || rval == SATA_TRAN_QUEUE_FULL) { 9333 rval = 1; /* may retry later */ 9334 } else if (rval == SATA_TRAN_ACCEPTED) { 9335 if (spkt->satapkt_reason == SATA_PKT_DEV_ERROR || 9336 spkt->satapkt_reason == SATA_PKT_ABORTED || 9337 spkt->satapkt_reason == SATA_PKT_TIMEOUT || 9338 spkt->satapkt_reason == SATA_PKT_RESET) 9339 rval = 1; /* may retry later */ 9340 else 9341 rval = -1; 9342 } else { 9343 rval = -1; 9344 } 9345 } 9346 fail: 9347 /* Free allocated resources */ 9348 sata_free_local_buffer(spx); 9349 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; 9350 sata_pkt_free(spx); 9351 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 9352 9353 return (rval); 9354 } 9355 9356 9357 /* 9358 * SATA spec requires that the device supports at least UDMA 4 mode and 9359 * UDMA mode is selected. 9360 * Some devices (bridged devices) may not come-up with default UDMA mode 9361 * set correctly, so this function is setting it. 9362 * 9363 * Returns SATA_SUCCESS if proper UDMA mode is selected. 9364 * Returns SATA_FAILURE if proper UDMA mode could not be selected. 9365 */ 9366 static int 9367 sata_set_udma_mode(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo) 9368 { 9369 sata_pkt_t *spkt; 9370 sata_cmd_t *scmd; 9371 sata_pkt_txlate_t *spx; 9372 int result = SATA_SUCCESS; 9373 int i, mode; 9374 9375 ASSERT(sdinfo != NULL); 9376 ASSERT(sata_hba_inst != NULL); 9377 9378 /* Find highest Ultra DMA mode supported */ 9379 for (mode = 6; mode >= 0; --mode) { 9380 if (sdinfo->satadrv_id.ai_ultradma & (1 << mode)) 9381 break; 9382 } 9383 if (mode < 4) 9384 return (SATA_FAILURE); 9385 9386 /* Find UDMA mode currently selected */ 9387 for (i = 6; i >= 0; --i) { 9388 if (sdinfo->satadrv_id.ai_ultradma & (1 << (i + 8))) 9389 break; 9390 } 9391 9392 if (i < mode) { 9393 /* Set UDMA mode via SET FEATURES COMMAND */ 9394 /* Prepare packet for SET FEATURES COMMAND */ 9395 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 9396 spx->txlt_sata_hba_inst = sata_hba_inst; 9397 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 9398 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 9399 if (spkt == NULL) { 9400 result = SATA_FAILURE; 9401 goto failure; 9402 } 9403 /* Fill sata_pkt */ 9404 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 9405 /* Timeout 30s */ 9406 spkt->satapkt_time = sata_default_pkt_time; 9407 /* Synchronous mode, no callback, interrupts */ 9408 spkt->satapkt_op_mode = 9409 SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 9410 spkt->satapkt_comp = NULL; 9411 scmd = &spkt->satapkt_cmd; 9412 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 9413 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 9414 scmd->satacmd_addr_type = 0; 9415 scmd->satacmd_device_reg = 0; 9416 scmd->satacmd_status_reg = 0; 9417 scmd->satacmd_error_reg = 0; 9418 scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; 9419 scmd->satacmd_features_reg = SATAC_SF_TRANSFER_MODE; 9420 scmd->satacmd_sec_count_lsb = 9421 SATAC_TRANSFER_MODE_ULTRA_DMA | mode; 9422 9423 /* Transfer command to HBA */ 9424 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), 9425 spkt) != SATA_TRAN_ACCEPTED || 9426 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 9427 /* Pkt execution failed */ 9428 result = SATA_FAILURE; 9429 } 9430 failure: 9431 if (result == SATA_FAILURE) 9432 SATA_LOG_D((sata_hba_inst, CE_WARN, 9433 "sata_set_udma_mode: could not set UDMA " 9434 "mode %", mode)); 9435 9436 /* Free allocated resources */ 9437 if (spkt != NULL) 9438 sata_pkt_free(spx); 9439 (void) kmem_free(spx, sizeof (sata_pkt_txlate_t)); 9440 } 9441 return (result); 9442 } 9443 9444 9445 /* 9446 * Set device caching mode. 9447 * One of the following operations should be specified: 9448 * SATAC_SF_ENABLE_READ_AHEAD 9449 * SATAC_SF_DISABLE_READ_AHEAD 9450 * SATAC_SF_ENABLE_WRITE_CACHE 9451 * SATAC_SF_DISABLE_WRITE_CACHE 9452 * 9453 * If operation fails, system log messgage is emitted. 9454 * Returns SATA_SUCCESS when the operation succeeds, SATA_FAILURE otherwise. 9455 */ 9456 9457 static int 9458 sata_set_cache_mode(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo, 9459 int cache_op) 9460 { 9461 sata_pkt_t *spkt; 9462 sata_cmd_t *scmd; 9463 sata_pkt_txlate_t *spx; 9464 int rval = SATA_SUCCESS; 9465 char *infop; 9466 9467 ASSERT(sdinfo != NULL); 9468 ASSERT(sata_hba_inst != NULL); 9469 ASSERT(cache_op == SATAC_SF_ENABLE_READ_AHEAD || 9470 cache_op == SATAC_SF_DISABLE_READ_AHEAD || 9471 cache_op == SATAC_SF_ENABLE_WRITE_CACHE || 9472 cache_op == SATAC_SF_DISABLE_WRITE_CACHE); 9473 9474 9475 /* Prepare packet for SET FEATURES COMMAND */ 9476 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 9477 spx->txlt_sata_hba_inst = sata_hba_inst; 9478 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 9479 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 9480 if (spkt == NULL) { 9481 rval = SATA_FAILURE; 9482 goto failure; 9483 } 9484 /* Fill sata_pkt */ 9485 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 9486 /* Timeout 30s */ 9487 spkt->satapkt_time = sata_default_pkt_time; 9488 /* Synchronous mode, no callback, interrupts */ 9489 spkt->satapkt_op_mode = 9490 SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 9491 spkt->satapkt_comp = NULL; 9492 scmd = &spkt->satapkt_cmd; 9493 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 9494 scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; 9495 scmd->satacmd_addr_type = 0; 9496 scmd->satacmd_device_reg = 0; 9497 scmd->satacmd_status_reg = 0; 9498 scmd->satacmd_error_reg = 0; 9499 scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; 9500 scmd->satacmd_features_reg = cache_op; 9501 9502 /* Transfer command to HBA */ 9503 if (((*SATA_START_FUNC(sata_hba_inst))( 9504 SATA_DIP(sata_hba_inst), spkt) != 0) || 9505 (spkt->satapkt_reason != SATA_PKT_COMPLETED)) { 9506 /* Pkt execution failed */ 9507 switch (cache_op) { 9508 case SATAC_SF_ENABLE_READ_AHEAD: 9509 infop = "enabling read ahead failed"; 9510 break; 9511 case SATAC_SF_DISABLE_READ_AHEAD: 9512 infop = "disabling read ahead failed"; 9513 break; 9514 case SATAC_SF_ENABLE_WRITE_CACHE: 9515 infop = "enabling write cache failed"; 9516 break; 9517 case SATAC_SF_DISABLE_WRITE_CACHE: 9518 infop = "disabling write cache failed"; 9519 break; 9520 } 9521 SATA_LOG_D((sata_hba_inst, CE_WARN, "%s", infop)); 9522 rval = SATA_FAILURE; 9523 } 9524 failure: 9525 /* Free allocated resources */ 9526 if (spkt != NULL) 9527 sata_pkt_free(spx); 9528 (void) kmem_free(spx, sizeof (sata_pkt_txlate_t)); 9529 return (rval); 9530 } 9531 9532 9533 9534 /* 9535 * Update port SCR block 9536 */ 9537 static void 9538 sata_update_port_scr(sata_port_scr_t *port_scr, sata_device_t *device) 9539 { 9540 port_scr->sstatus = device->satadev_scr.sstatus; 9541 port_scr->serror = device->satadev_scr.serror; 9542 port_scr->scontrol = device->satadev_scr.scontrol; 9543 port_scr->sactive = device->satadev_scr.sactive; 9544 port_scr->snotific = device->satadev_scr.snotific; 9545 } 9546 9547 /* 9548 * Update state and copy port ss* values from passed sata_device structure. 9549 * sata_address is validated - if not valid, nothing is changed in sata_scsi 9550 * configuration struct. 9551 * 9552 * SATA_PSTATE_SHUTDOWN in port state is not reset to 0 by this function 9553 * regardless of the state in device argument. 9554 * 9555 * Port mutex should be held while calling this function. 9556 */ 9557 static void 9558 sata_update_port_info(sata_hba_inst_t *sata_hba_inst, 9559 sata_device_t *sata_device) 9560 { 9561 ASSERT(mutex_owned(&SATA_CPORT_MUTEX(sata_hba_inst, 9562 sata_device->satadev_addr.cport))); 9563 9564 if (sata_device->satadev_addr.qual == SATA_ADDR_CPORT || 9565 sata_device->satadev_addr.qual == SATA_ADDR_DCPORT) { 9566 9567 sata_cport_info_t *cportinfo; 9568 9569 if (SATA_NUM_CPORTS(sata_hba_inst) <= 9570 sata_device->satadev_addr.cport) 9571 return; 9572 9573 cportinfo = SATA_CPORT_INFO(sata_hba_inst, 9574 sata_device->satadev_addr.cport); 9575 sata_update_port_scr(&cportinfo->cport_scr, sata_device); 9576 9577 /* Preserve SATA_PSTATE_SHUTDOWN flag */ 9578 cportinfo->cport_state &= ~(SATA_PSTATE_PWRON | 9579 SATA_PSTATE_PWROFF | SATA_PSTATE_FAILED); 9580 cportinfo->cport_state |= 9581 sata_device->satadev_state & SATA_PSTATE_VALID; 9582 } else { 9583 sata_pmport_info_t *pmportinfo; 9584 9585 if ((sata_device->satadev_addr.qual != SATA_ADDR_PMPORT) || 9586 (sata_device->satadev_addr.qual != SATA_ADDR_DPMPORT) || 9587 SATA_NUM_PMPORTS(sata_hba_inst, 9588 sata_device->satadev_addr.cport) < 9589 sata_device->satadev_addr.pmport) 9590 return; 9591 9592 pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, 9593 sata_device->satadev_addr.cport, 9594 sata_device->satadev_addr.pmport); 9595 sata_update_port_scr(&pmportinfo->pmport_scr, sata_device); 9596 9597 /* Preserve SATA_PSTATE_SHUTDOWN flag */ 9598 pmportinfo->pmport_state &= 9599 ~(SATA_PSTATE_PWRON | SATA_PSTATE_PWROFF | 9600 SATA_PSTATE_FAILED); 9601 pmportinfo->pmport_state |= 9602 sata_device->satadev_state & SATA_PSTATE_VALID; 9603 } 9604 } 9605 9606 9607 9608 /* 9609 * Extract SATA port specification from an IOCTL argument. 9610 * 9611 * This function return the port the user land send us as is, unless it 9612 * cannot retrieve port spec, then -1 is returned. 9613 * 9614 * Note: Only cport - no port multiplier port. 9615 */ 9616 static int32_t 9617 sata_get_port_num(sata_hba_inst_t *sata_hba_inst, struct devctl_iocdata *dcp) 9618 { 9619 int32_t port; 9620 9621 /* Extract port number from nvpair in dca structure */ 9622 if (nvlist_lookup_int32(ndi_dc_get_ap_data(dcp), "port", &port) != 0) { 9623 SATA_LOG_D((sata_hba_inst, CE_NOTE, 9624 "sata_get_port_num: invalid port spec 0x%x in ioctl", 9625 port)); 9626 port = -1; 9627 } 9628 9629 return (port); 9630 } 9631 9632 /* 9633 * Get dev_info_t pointer to the device node pointed to by port argument. 9634 * NOTE: target argument is a value used in ioctls to identify 9635 * the AP - it is not a sata_address. 9636 * It is a combination of cport, pmport and address qualifier, encodded same 9637 * way as a scsi target number. 9638 * At this moment it carries only cport number. 9639 * 9640 * No PMult hotplug support. 9641 * 9642 * Returns dev_info_t pointer if target device was found, NULL otherwise. 9643 */ 9644 9645 static dev_info_t * 9646 sata_get_target_dip(dev_info_t *dip, int32_t port) 9647 { 9648 dev_info_t *cdip = NULL; 9649 int target, tgt; 9650 int ncport; 9651 int circ; 9652 9653 ncport = port & SATA_CFGA_CPORT_MASK; 9654 target = SATA_TO_SCSI_TARGET(ncport, 0, SATA_ADDR_DCPORT); 9655 9656 ndi_devi_enter(dip, &circ); 9657 for (cdip = ddi_get_child(dip); cdip != NULL; ) { 9658 dev_info_t *next = ddi_get_next_sibling(cdip); 9659 9660 tgt = ddi_prop_get_int(DDI_DEV_T_ANY, cdip, 9661 DDI_PROP_DONTPASS, "target", -1); 9662 if (tgt == -1) { 9663 /* 9664 * This is actually an error condition, but not 9665 * a fatal one. Just continue the search. 9666 */ 9667 cdip = next; 9668 continue; 9669 } 9670 9671 if (tgt == target) 9672 break; 9673 9674 cdip = next; 9675 } 9676 ndi_devi_exit(dip, circ); 9677 9678 return (cdip); 9679 } 9680 9681 9682 /* 9683 * sata_cfgadm_state: 9684 * Use the sata port state and state of the target node to figure out 9685 * the cfgadm_state. 9686 * 9687 * The port argument is a value with encoded cport, 9688 * pmport and address qualifier, in the same manner as a scsi target number. 9689 * SCSI_TO_SATA_CPORT macro extracts cport number, 9690 * SCSI_TO_SATA_PMPORT extracts pmport number and 9691 * SCSI_TO_SATA_ADDR_QUAL extracts port mulitplier qualifier flag. 9692 * 9693 * For now, support is for cports only - no pmultiplier ports. 9694 */ 9695 9696 static void 9697 sata_cfgadm_state(sata_hba_inst_t *sata_hba_inst, int32_t port, 9698 devctl_ap_state_t *ap_state) 9699 { 9700 uint16_t cport; 9701 int port_state; 9702 9703 /* Cport only */ 9704 cport = SCSI_TO_SATA_CPORT(port); 9705 9706 port_state = SATA_CPORT_STATE(sata_hba_inst, cport); 9707 if (port_state & SATA_PSTATE_SHUTDOWN || 9708 port_state & SATA_PSTATE_FAILED) { 9709 ap_state->ap_rstate = AP_RSTATE_DISCONNECTED; 9710 ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; 9711 if (port_state & SATA_PSTATE_FAILED) 9712 ap_state->ap_condition = AP_COND_FAILED; 9713 else 9714 ap_state->ap_condition = AP_COND_UNKNOWN; 9715 9716 return; 9717 } 9718 9719 /* Need to check pmult device port here as well, when supported */ 9720 9721 /* Port is enabled and ready */ 9722 9723 switch (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport)) { 9724 case SATA_DTYPE_NONE: 9725 { 9726 /* No device attached */ 9727 ap_state->ap_rstate = AP_RSTATE_EMPTY; 9728 ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; 9729 ap_state->ap_condition = AP_COND_OK; 9730 break; 9731 } 9732 case SATA_DTYPE_UNKNOWN: 9733 case SATA_DTYPE_ATAPINONCD: 9734 case SATA_DTYPE_PMULT: /* Until PMult is supported */ 9735 { 9736 /* Unknown device attached */ 9737 ap_state->ap_rstate = AP_RSTATE_CONNECTED; 9738 ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; 9739 ap_state->ap_condition = AP_COND_UNKNOWN; 9740 break; 9741 } 9742 case SATA_DTYPE_ATADISK: 9743 case SATA_DTYPE_ATAPICD: 9744 { 9745 dev_info_t *tdip = NULL; 9746 dev_info_t *dip = NULL; 9747 int circ; 9748 9749 dip = SATA_DIP(sata_hba_inst); 9750 tdip = sata_get_target_dip(dip, port); 9751 ap_state->ap_rstate = AP_RSTATE_CONNECTED; 9752 if (tdip != NULL) { 9753 ndi_devi_enter(dip, &circ); 9754 mutex_enter(&(DEVI(tdip)->devi_lock)); 9755 if ((DEVI_IS_DEVICE_OFFLINE(tdip)) || 9756 (DEVI_IS_DEVICE_DOWN(tdip))) { 9757 ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; 9758 } else { 9759 ap_state->ap_ostate = AP_OSTATE_CONFIGURED; 9760 } 9761 ap_state->ap_condition = AP_COND_OK; 9762 mutex_exit(&(DEVI(tdip)->devi_lock)); 9763 ndi_devi_exit(dip, circ); 9764 } else { 9765 ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; 9766 ap_state->ap_condition = AP_COND_UNKNOWN; 9767 } 9768 break; 9769 } 9770 default: 9771 ap_state->ap_rstate = AP_RSTATE_CONNECTED; 9772 ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; 9773 ap_state->ap_condition = AP_COND_UNKNOWN; 9774 /* 9775 * This is actually internal error condition (non fatal), 9776 * beacuse we already checked all defined device types. 9777 */ 9778 SATA_LOG_D((sata_hba_inst, CE_WARN, 9779 "sata_cfgadm_state: Internal error: " 9780 "unknown device type")); 9781 break; 9782 } 9783 } 9784 9785 /* 9786 * Start or terminate the thread, depending on flag arg and current state 9787 */ 9788 static void 9789 sata_event_thread_control(int startstop) 9790 { 9791 static int sata_event_thread_terminating = 0; 9792 static int sata_event_thread_starting = 0; 9793 int i; 9794 9795 mutex_enter(&sata_event_mutex); 9796 9797 if (startstop == 0 && (sata_event_thread_starting == 1 || 9798 sata_event_thread_terminating == 1)) { 9799 mutex_exit(&sata_event_mutex); 9800 return; 9801 } 9802 if (startstop == 1 && sata_event_thread_starting == 1) { 9803 mutex_exit(&sata_event_mutex); 9804 return; 9805 } 9806 if (startstop == 1 && sata_event_thread_terminating == 1) { 9807 sata_event_thread_starting = 1; 9808 /* wait til terminate operation completes */ 9809 i = SATA_EVNT_DAEMON_TERM_WAIT/SATA_EVNT_DAEMON_TERM_TIMEOUT; 9810 while (sata_event_thread_terminating == 1) { 9811 if (i-- <= 0) { 9812 sata_event_thread_starting = 0; 9813 mutex_exit(&sata_event_mutex); 9814 #ifdef SATA_DEBUG 9815 cmn_err(CE_WARN, "sata_event_thread_control: " 9816 "timeout waiting for thread to terminate"); 9817 #endif 9818 return; 9819 } 9820 mutex_exit(&sata_event_mutex); 9821 delay(drv_usectohz(SATA_EVNT_DAEMON_TERM_TIMEOUT)); 9822 mutex_enter(&sata_event_mutex); 9823 } 9824 } 9825 if (startstop == 1) { 9826 if (sata_event_thread == NULL) { 9827 sata_event_thread = thread_create(NULL, 0, 9828 (void (*)())sata_event_daemon, 9829 &sata_hba_list, 0, &p0, TS_RUN, minclsyspri); 9830 } 9831 sata_event_thread_starting = 0; 9832 mutex_exit(&sata_event_mutex); 9833 return; 9834 } 9835 9836 /* 9837 * If we got here, thread may need to be terminated 9838 */ 9839 if (sata_event_thread != NULL) { 9840 int i; 9841 /* Signal event thread to go away */ 9842 sata_event_thread_terminating = 1; 9843 sata_event_thread_terminate = 1; 9844 cv_signal(&sata_event_cv); 9845 /* 9846 * Wait til daemon terminates. 9847 */ 9848 i = SATA_EVNT_DAEMON_TERM_WAIT/SATA_EVNT_DAEMON_TERM_TIMEOUT; 9849 while (sata_event_thread_terminate == 1) { 9850 mutex_exit(&sata_event_mutex); 9851 if (i-- <= 0) { 9852 /* Daemon did not go away !!! */ 9853 #ifdef SATA_DEBUG 9854 cmn_err(CE_WARN, "sata_event_thread_control: " 9855 "cannot terminate event daemon thread"); 9856 #endif 9857 mutex_enter(&sata_event_mutex); 9858 break; 9859 } 9860 delay(drv_usectohz(SATA_EVNT_DAEMON_TERM_TIMEOUT)); 9861 mutex_enter(&sata_event_mutex); 9862 } 9863 sata_event_thread_terminating = 0; 9864 } 9865 ASSERT(sata_event_thread_terminating == 0); 9866 ASSERT(sata_event_thread_starting == 0); 9867 mutex_exit(&sata_event_mutex); 9868 } 9869 9870 9871 /* 9872 * Log sata message 9873 * dev pathname msg line preceeds the logged message. 9874 */ 9875 9876 static void 9877 sata_log(sata_hba_inst_t *sata_hba_inst, uint_t level, char *fmt, ...) 9878 { 9879 char pathname[128]; 9880 dev_info_t *dip; 9881 va_list ap; 9882 9883 mutex_enter(&sata_log_mutex); 9884 9885 va_start(ap, fmt); 9886 (void) vsprintf(sata_log_buf, fmt, ap); 9887 va_end(ap); 9888 9889 if (sata_hba_inst != NULL) { 9890 dip = SATA_DIP(sata_hba_inst); 9891 (void) ddi_pathname(dip, pathname); 9892 } else { 9893 pathname[0] = 0; 9894 } 9895 if (level == CE_CONT) { 9896 if (sata_debug_flags == 0) 9897 cmn_err(level, "?%s:\n %s\n", pathname, sata_log_buf); 9898 else 9899 cmn_err(level, "%s:\n %s\n", pathname, sata_log_buf); 9900 } else 9901 cmn_err(level, "%s:\n %s", pathname, sata_log_buf); 9902 9903 mutex_exit(&sata_log_mutex); 9904 } 9905 9906 9907 /* ******** Asynchronous HBA events handling & hotplugging support ******** */ 9908 9909 /* 9910 * SATA HBA event notification function. 9911 * Events reported by SATA HBA drivers per HBA instance relate to a change in 9912 * a port and/or device state or a controller itself. 9913 * Events for different addresses/addr types cannot be combined. 9914 * A warning message is generated for each event type. 9915 * Events are not processed by this function, so only the 9916 * event flag(s)is set for an affected entity and the event thread is 9917 * waken up. Event daemon thread processes all events. 9918 * 9919 * NOTE: Since more than one event may be reported at the same time, one 9920 * cannot determine a sequence of events when opposite event are reported, eg. 9921 * LINK_LOST and LINK_ESTABLISHED. Actual port status during event processing 9922 * is taking precedence over reported events, i.e. may cause ignoring some 9923 * events. 9924 */ 9925 #define SATA_EVENT_MAX_MSG_LENGTH 79 9926 9927 void 9928 sata_hba_event_notify(dev_info_t *dip, sata_device_t *sata_device, int event) 9929 { 9930 sata_hba_inst_t *sata_hba_inst = NULL; 9931 sata_address_t *saddr; 9932 sata_drive_info_t *sdinfo; 9933 sata_port_stats_t *pstats; 9934 int cport, pmport; 9935 char buf1[SATA_EVENT_MAX_MSG_LENGTH + 1]; 9936 char buf2[SATA_EVENT_MAX_MSG_LENGTH + 1]; 9937 char *lcp; 9938 static char *err_msg_evnt_1 = 9939 "sata_hba_event_notify: invalid port event 0x%x "; 9940 static char *err_msg_evnt_2 = 9941 "sata_hba_event_notify: invalid device event 0x%x "; 9942 int linkevent; 9943 9944 /* 9945 * There is a possibility that an event will be generated on HBA 9946 * that has not completed attachment or is detaching. 9947 * HBA driver should prevent this, but just in case it does not, 9948 * we need to ignore events for such HBA. 9949 */ 9950 mutex_enter(&sata_mutex); 9951 for (sata_hba_inst = sata_hba_list; sata_hba_inst != NULL; 9952 sata_hba_inst = sata_hba_inst->satahba_next) { 9953 if (SATA_DIP(sata_hba_inst) == dip) 9954 if (sata_hba_inst->satahba_attached == 1) 9955 break; 9956 } 9957 mutex_exit(&sata_mutex); 9958 if (sata_hba_inst == NULL) 9959 /* HBA not attached */ 9960 return; 9961 9962 ASSERT(sata_device != NULL); 9963 9964 /* 9965 * Validate address before - do not proceed with invalid address. 9966 */ 9967 saddr = &sata_device->satadev_addr; 9968 if (saddr->cport >= SATA_NUM_CPORTS(sata_hba_inst)) 9969 return; 9970 if (saddr->qual == SATA_ADDR_PMPORT || 9971 saddr->qual == SATA_ADDR_DPMPORT) 9972 /* Port Multiplier not supported yet */ 9973 return; 9974 9975 cport = saddr->cport; 9976 pmport = saddr->pmport; 9977 9978 buf1[0] = buf2[0] = '\0'; 9979 9980 /* 9981 * Events refer to devices, ports and controllers - each has 9982 * unique address. Events for different addresses cannot be combined. 9983 */ 9984 if (saddr->qual & (SATA_ADDR_CPORT | SATA_ADDR_PMPORT)) { 9985 9986 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 9987 9988 /* qualify this event(s) */ 9989 if ((event & SATA_EVNT_PORT_EVENTS) == 0) { 9990 /* Invalid event for the device port */ 9991 (void) sprintf(buf2, err_msg_evnt_1, 9992 event & SATA_EVNT_PORT_EVENTS); 9993 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 9994 goto event_info; 9995 } 9996 if (saddr->qual == SATA_ADDR_CPORT) { 9997 /* Controller's device port event */ 9998 9999 (SATA_CPORT_INFO(sata_hba_inst, cport))-> 10000 cport_event_flags |= 10001 event & SATA_EVNT_PORT_EVENTS; 10002 pstats = 10003 &(SATA_CPORT_INFO(sata_hba_inst, cport))-> 10004 cport_stats; 10005 } else { 10006 /* Port multiplier's device port event */ 10007 (SATA_PMPORT_INFO(sata_hba_inst, cport, pmport))-> 10008 pmport_event_flags |= 10009 event & SATA_EVNT_PORT_EVENTS; 10010 pstats = 10011 &(SATA_PMPORT_INFO(sata_hba_inst, cport, pmport))-> 10012 pmport_stats; 10013 } 10014 10015 /* 10016 * Add to statistics and log the message. We have to do it 10017 * here rather than in the event daemon, because there may be 10018 * multiple events occuring before they are processed. 10019 */ 10020 linkevent = event & 10021 (SATA_EVNT_LINK_LOST | SATA_EVNT_LINK_ESTABLISHED); 10022 if (linkevent) { 10023 if (linkevent == (SATA_EVNT_LINK_LOST | 10024 SATA_EVNT_LINK_ESTABLISHED)) { 10025 /* This is likely event combination */ 10026 (void) strlcat(buf1, "link lost/established, ", 10027 SATA_EVENT_MAX_MSG_LENGTH); 10028 10029 if (pstats->link_lost < 0xffffffffffffffffULL) 10030 pstats->link_lost++; 10031 if (pstats->link_established < 10032 0xffffffffffffffffULL) 10033 pstats->link_established++; 10034 linkevent = 0; 10035 } else if (linkevent & SATA_EVNT_LINK_LOST) { 10036 (void) strlcat(buf1, "link lost, ", 10037 SATA_EVENT_MAX_MSG_LENGTH); 10038 10039 if (pstats->link_lost < 0xffffffffffffffffULL) 10040 pstats->link_lost++; 10041 } else { 10042 (void) strlcat(buf1, "link established, ", 10043 SATA_EVENT_MAX_MSG_LENGTH); 10044 if (pstats->link_established < 10045 0xffffffffffffffffULL) 10046 pstats->link_established++; 10047 } 10048 } 10049 if (event & SATA_EVNT_DEVICE_ATTACHED) { 10050 (void) strlcat(buf1, "device attached, ", 10051 SATA_EVENT_MAX_MSG_LENGTH); 10052 if (pstats->device_attached < 0xffffffffffffffffULL) 10053 pstats->device_attached++; 10054 } 10055 if (event & SATA_EVNT_DEVICE_DETACHED) { 10056 (void) strlcat(buf1, "device detached, ", 10057 SATA_EVENT_MAX_MSG_LENGTH); 10058 if (pstats->device_detached < 0xffffffffffffffffULL) 10059 pstats->device_detached++; 10060 } 10061 if (event & SATA_EVNT_PWR_LEVEL_CHANGED) { 10062 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 10063 "port %d power level changed", cport); 10064 if (pstats->port_pwr_changed < 0xffffffffffffffffULL) 10065 pstats->port_pwr_changed++; 10066 } 10067 10068 if ((event & ~SATA_EVNT_PORT_EVENTS) != 0) { 10069 /* There should be no other events for this address */ 10070 (void) sprintf(buf2, err_msg_evnt_1, 10071 event & ~SATA_EVNT_PORT_EVENTS); 10072 } 10073 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 10074 10075 } else if (saddr->qual & (SATA_ADDR_DCPORT | SATA_ADDR_DPMPORT)) { 10076 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 10077 10078 /* qualify this event */ 10079 if ((event & SATA_EVNT_DEVICE_RESET) == 0) { 10080 /* Invalid event for a device */ 10081 (void) sprintf(buf2, err_msg_evnt_2, 10082 event & SATA_EVNT_DEVICE_RESET); 10083 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 10084 goto event_info; 10085 } 10086 /* drive event */ 10087 sdinfo = sata_get_device_info(sata_hba_inst, sata_device); 10088 if (sdinfo != NULL) { 10089 if (event & SATA_EVNT_DEVICE_RESET) { 10090 (void) strlcat(buf1, "device reset, ", 10091 SATA_EVENT_MAX_MSG_LENGTH); 10092 if (sdinfo->satadrv_stats.drive_reset < 10093 0xffffffffffffffffULL) 10094 sdinfo->satadrv_stats.drive_reset++; 10095 sdinfo->satadrv_event_flags |= 10096 SATA_EVNT_DEVICE_RESET; 10097 } 10098 } 10099 if ((event & ~SATA_EVNT_DEVICE_RESET) != 0) { 10100 /* Invalid event for a device */ 10101 (void) sprintf(buf2, err_msg_evnt_2, 10102 event & ~SATA_EVNT_DRIVE_EVENTS); 10103 } 10104 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); 10105 } else { 10106 if (saddr->qual != SATA_ADDR_NULL) { 10107 /* Wrong address qualifier */ 10108 SATA_LOG_D((sata_hba_inst, CE_WARN, 10109 "sata_hba_event_notify: invalid address 0x%x", 10110 *(uint32_t *)saddr)); 10111 return; 10112 } 10113 if ((event & SATA_EVNT_CONTROLLER_EVENTS) == 0 || 10114 (event & ~SATA_EVNT_CONTROLLER_EVENTS) != 0) { 10115 /* Invalid event for the controller */ 10116 SATA_LOG_D((sata_hba_inst, CE_WARN, 10117 "sata_hba_event_notify: invalid event 0x%x for " 10118 "controller", 10119 event & SATA_EVNT_CONTROLLER_EVENTS)); 10120 return; 10121 } 10122 buf1[0] = '\0'; 10123 /* This may be a frequent and not interesting event */ 10124 SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, 10125 "controller power level changed\n", NULL); 10126 10127 mutex_enter(&sata_hba_inst->satahba_mutex); 10128 if (sata_hba_inst->satahba_stats.ctrl_pwr_change < 10129 0xffffffffffffffffULL) 10130 sata_hba_inst->satahba_stats.ctrl_pwr_change++; 10131 10132 sata_hba_inst->satahba_event_flags |= 10133 SATA_EVNT_PWR_LEVEL_CHANGED; 10134 mutex_exit(&sata_hba_inst->satahba_mutex); 10135 } 10136 /* 10137 * If we got here, there is something to do with this HBA 10138 * instance. 10139 */ 10140 mutex_enter(&sata_hba_inst->satahba_mutex); 10141 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 10142 mutex_exit(&sata_hba_inst->satahba_mutex); 10143 mutex_enter(&sata_mutex); 10144 sata_event_pending |= SATA_EVNT_MAIN; /* global event indicator */ 10145 mutex_exit(&sata_mutex); 10146 10147 /* Tickle event thread */ 10148 mutex_enter(&sata_event_mutex); 10149 if (sata_event_thread_active == 0) 10150 cv_signal(&sata_event_cv); 10151 mutex_exit(&sata_event_mutex); 10152 10153 event_info: 10154 if (buf1[0] != '\0') { 10155 lcp = strrchr(buf1, ','); 10156 if (lcp != NULL) 10157 *lcp = '\0'; 10158 } 10159 if (saddr->qual == SATA_ADDR_CPORT || 10160 saddr->qual == SATA_ADDR_DCPORT) { 10161 if (buf1[0] != '\0') { 10162 sata_log(sata_hba_inst, CE_NOTE, "port %d: %s\n", 10163 cport, buf1); 10164 } 10165 if (buf2[0] != '\0') { 10166 sata_log(sata_hba_inst, CE_NOTE, "port %d: %s\n", 10167 cport, buf2); 10168 } 10169 } else if (saddr->qual == SATA_ADDR_PMPORT || 10170 saddr->qual == SATA_ADDR_DPMPORT) { 10171 if (buf1[0] != '\0') { 10172 sata_log(sata_hba_inst, CE_NOTE, 10173 "port %d pmport %d: %s\n", cport, pmport, buf1); 10174 } 10175 if (buf2[0] != '\0') { 10176 sata_log(sata_hba_inst, CE_NOTE, 10177 "port %d pmport %d: %s\n", cport, pmport, buf2); 10178 } 10179 } 10180 } 10181 10182 10183 /* 10184 * Event processing thread. 10185 * Arg is a pointer to the sata_hba_list pointer. 10186 * It is not really needed, because sata_hba_list is global and static 10187 */ 10188 static void 10189 sata_event_daemon(void *arg) 10190 { 10191 #ifndef __lock_lint 10192 _NOTE(ARGUNUSED(arg)) 10193 #endif 10194 sata_hba_inst_t *sata_hba_inst; 10195 clock_t lbolt; 10196 10197 SATADBG1(SATA_DBG_EVENTS_DAEMON, NULL, 10198 "SATA event daemon started\n", NULL); 10199 loop: 10200 /* 10201 * Process events here. Walk through all registered HBAs 10202 */ 10203 mutex_enter(&sata_mutex); 10204 for (sata_hba_inst = sata_hba_list; sata_hba_inst != NULL; 10205 sata_hba_inst = sata_hba_inst->satahba_next) { 10206 ASSERT(sata_hba_inst != NULL); 10207 mutex_enter(&sata_hba_inst->satahba_mutex); 10208 if (sata_hba_inst->satahba_attached != 1 || 10209 (sata_hba_inst->satahba_event_flags & 10210 SATA_EVNT_SKIP) != 0) { 10211 mutex_exit(&sata_hba_inst->satahba_mutex); 10212 continue; 10213 } 10214 if (sata_hba_inst->satahba_event_flags & SATA_EVNT_MAIN) { 10215 sata_hba_inst->satahba_event_flags |= SATA_EVNT_SKIP; 10216 mutex_exit(&sata_hba_inst->satahba_mutex); 10217 mutex_exit(&sata_mutex); 10218 /* Got the controller with pending event */ 10219 sata_process_controller_events(sata_hba_inst); 10220 /* 10221 * Since global mutex was released, there is a 10222 * possibility that HBA list has changed, so start 10223 * over from the top. Just processed controller 10224 * will be passed-over because of the SKIP flag. 10225 */ 10226 goto loop; 10227 } 10228 mutex_exit(&sata_hba_inst->satahba_mutex); 10229 } 10230 /* Clear SKIP flag in all controllers */ 10231 for (sata_hba_inst = sata_hba_list; sata_hba_inst != NULL; 10232 sata_hba_inst = sata_hba_inst->satahba_next) { 10233 mutex_enter(&sata_hba_inst->satahba_mutex); 10234 sata_hba_inst->satahba_event_flags &= ~SATA_EVNT_SKIP; 10235 mutex_exit(&sata_hba_inst->satahba_mutex); 10236 } 10237 mutex_exit(&sata_mutex); 10238 10239 SATADBG1(SATA_DBG_EVENTS_DAEMON, NULL, 10240 "SATA EVENT DAEMON suspending itself", NULL); 10241 10242 #ifdef SATA_DEBUG 10243 if ((sata_func_enable & SATA_ENABLE_PROCESS_EVENTS) == 0) { 10244 sata_log(sata_hba_inst, CE_WARN, 10245 "SATA EVENTS PROCESSING DISABLED\n"); 10246 thread_exit(); /* Daemon will not run again */ 10247 } 10248 #endif 10249 mutex_enter(&sata_event_mutex); 10250 sata_event_thread_active = 0; 10251 mutex_exit(&sata_event_mutex); 10252 /* 10253 * Go to sleep/suspend itself and wake up either because new event or 10254 * wait timeout. Exit if there is a termination request (driver 10255 * unload). 10256 */ 10257 do { 10258 lbolt = ddi_get_lbolt(); 10259 lbolt += drv_usectohz(SATA_EVNT_DAEMON_SLEEP_TIME); 10260 mutex_enter(&sata_event_mutex); 10261 (void) cv_timedwait(&sata_event_cv, &sata_event_mutex, lbolt); 10262 10263 if (sata_event_thread_active != 0) { 10264 mutex_exit(&sata_event_mutex); 10265 continue; 10266 } 10267 10268 /* Check if it is time to go away */ 10269 if (sata_event_thread_terminate == 1) { 10270 /* 10271 * It is up to the thread setting above flag to make 10272 * sure that this thread is not killed prematurely. 10273 */ 10274 sata_event_thread_terminate = 0; 10275 sata_event_thread = NULL; 10276 mutex_exit(&sata_event_mutex); 10277 SATADBG1(SATA_DBG_EVENTS_DAEMON, NULL, 10278 "SATA_EVENT_DAEMON_TERMINATING", NULL); 10279 thread_exit(); { _NOTE(NOT_REACHED) } 10280 } 10281 mutex_exit(&sata_event_mutex); 10282 } while (!(sata_event_pending & SATA_EVNT_MAIN)); 10283 10284 mutex_enter(&sata_event_mutex); 10285 sata_event_thread_active = 1; 10286 mutex_exit(&sata_event_mutex); 10287 10288 mutex_enter(&sata_mutex); 10289 sata_event_pending &= ~SATA_EVNT_MAIN; 10290 mutex_exit(&sata_mutex); 10291 10292 SATADBG1(SATA_DBG_EVENTS_DAEMON, NULL, 10293 "SATA EVENT DAEMON READY TO PROCESS EVENT", NULL); 10294 10295 goto loop; 10296 } 10297 10298 /* 10299 * Specific HBA instance event processing. 10300 * 10301 * NOTE: At the moment, device event processing is limited to hard disks 10302 * only. 10303 * cports only are supported - no pmports. 10304 */ 10305 static void 10306 sata_process_controller_events(sata_hba_inst_t *sata_hba_inst) 10307 { 10308 int ncport; 10309 uint32_t event_flags; 10310 sata_address_t *saddr; 10311 10312 SATADBG1(SATA_DBG_EVENTS_CNTRL, sata_hba_inst, 10313 "Processing controller %d event(s)", 10314 ddi_get_instance(SATA_DIP(sata_hba_inst))); 10315 10316 mutex_enter(&sata_hba_inst->satahba_mutex); 10317 sata_hba_inst->satahba_event_flags &= ~SATA_EVNT_MAIN; 10318 event_flags = sata_hba_inst->satahba_event_flags; 10319 mutex_exit(&sata_hba_inst->satahba_mutex); 10320 /* 10321 * Process controller power change first 10322 * HERE 10323 */ 10324 if (event_flags & SATA_EVNT_PWR_LEVEL_CHANGED) 10325 sata_process_cntrl_pwr_level_change(sata_hba_inst); 10326 10327 /* 10328 * Search through ports/devices to identify affected port/device. 10329 * We may have to process events for more than one port/device. 10330 */ 10331 for (ncport = 0; ncport < SATA_NUM_CPORTS(sata_hba_inst); ncport++) { 10332 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); 10333 event_flags = (SATA_CPORT_INFO(sata_hba_inst, ncport))-> 10334 cport_event_flags; 10335 /* Check if port was locked by IOCTL processing */ 10336 if (event_flags & SATA_APCTL_LOCK_PORT_BUSY) { 10337 /* 10338 * We ignore port events because port is busy 10339 * with AP control processing. Set again 10340 * controller and main event flag, so that 10341 * events may be processed by the next daemon 10342 * run. 10343 */ 10344 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); 10345 mutex_enter(&sata_hba_inst->satahba_mutex); 10346 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 10347 mutex_exit(&sata_hba_inst->satahba_mutex); 10348 mutex_enter(&sata_mutex); 10349 sata_event_pending |= SATA_EVNT_MAIN; 10350 mutex_exit(&sata_mutex); 10351 SATADBG1(SATA_DBG_EVENTS_PROCPST, sata_hba_inst, 10352 "Event processing postponed until " 10353 "AP control processing completes", 10354 NULL); 10355 /* Check other ports */ 10356 continue; 10357 } else { 10358 /* 10359 * Set BSY flag so that AP control would not 10360 * interfere with events processing for 10361 * this port. 10362 */ 10363 (SATA_CPORT_INFO(sata_hba_inst, ncport))-> 10364 cport_event_flags |= SATA_EVNT_LOCK_PORT_BUSY; 10365 } 10366 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); 10367 10368 saddr = &(SATA_CPORT_INFO(sata_hba_inst, ncport))->cport_addr; 10369 10370 if ((event_flags & 10371 (SATA_EVNT_PORT_EVENTS | SATA_EVNT_DRIVE_EVENTS)) != 0) { 10372 /* 10373 * Got port event. 10374 * We need some hierarchy of event processing as they 10375 * are affecting each other: 10376 * 1. port failed 10377 * 2. device detached/attached 10378 * 3. link events - link events may trigger device 10379 * detached or device attached events in some 10380 * circumstances. 10381 * 4. port power level changed 10382 */ 10383 if (event_flags & SATA_EVNT_PORT_FAILED) { 10384 sata_process_port_failed_event(sata_hba_inst, 10385 saddr); 10386 } 10387 if (event_flags & SATA_EVNT_DEVICE_DETACHED) { 10388 sata_process_device_detached(sata_hba_inst, 10389 saddr); 10390 } 10391 if (event_flags & SATA_EVNT_DEVICE_ATTACHED) { 10392 sata_process_device_attached(sata_hba_inst, 10393 saddr); 10394 } 10395 if (event_flags & 10396 (SATA_EVNT_LINK_ESTABLISHED | 10397 SATA_EVNT_LINK_LOST)) { 10398 sata_process_port_link_events(sata_hba_inst, 10399 saddr); 10400 } 10401 if (event_flags & SATA_EVNT_PWR_LEVEL_CHANGED) { 10402 sata_process_port_pwr_change(sata_hba_inst, 10403 saddr); 10404 } 10405 } 10406 if (SATA_CPORT_DEV_TYPE(sata_hba_inst, ncport) != 10407 SATA_DTYPE_NONE) { 10408 /* May have device event */ 10409 sata_process_device_reset(sata_hba_inst, saddr); 10410 } 10411 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); 10412 /* Release PORT_BUSY flag */ 10413 (SATA_CPORT_INFO(sata_hba_inst, ncport))-> 10414 cport_event_flags &= ~SATA_EVNT_LOCK_PORT_BUSY; 10415 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); 10416 10417 } /* End of loop through the controller SATA ports */ 10418 } 10419 10420 /* 10421 * Process HBA power level change reported by HBA driver. 10422 * Not implemented at this time - event is ignored. 10423 */ 10424 static void 10425 sata_process_cntrl_pwr_level_change(sata_hba_inst_t *sata_hba_inst) 10426 { 10427 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 10428 "Processing controller power level change", NULL); 10429 10430 /* Ignoring it for now */ 10431 mutex_enter(&sata_hba_inst->satahba_mutex); 10432 sata_hba_inst->satahba_event_flags &= ~SATA_EVNT_PWR_LEVEL_CHANGED; 10433 mutex_exit(&sata_hba_inst->satahba_mutex); 10434 } 10435 10436 /* 10437 * Process port power level change reported by HBA driver. 10438 * Not implemented at this time - event is ignored. 10439 */ 10440 static void 10441 sata_process_port_pwr_change(sata_hba_inst_t *sata_hba_inst, 10442 sata_address_t *saddr) 10443 { 10444 sata_cport_info_t *cportinfo; 10445 10446 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 10447 "Processing port power level change", NULL); 10448 10449 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 10450 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10451 /* Reset event flag */ 10452 cportinfo->cport_event_flags &= ~SATA_EVNT_PWR_LEVEL_CHANGED; 10453 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10454 } 10455 10456 /* 10457 * Process port failure reported by HBA driver. 10458 * cports support only - no pmports. 10459 */ 10460 static void 10461 sata_process_port_failed_event(sata_hba_inst_t *sata_hba_inst, 10462 sata_address_t *saddr) 10463 { 10464 sata_cport_info_t *cportinfo; 10465 10466 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 10467 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10468 /* Reset event flag first */ 10469 cportinfo->cport_event_flags &= ~SATA_EVNT_PORT_FAILED; 10470 /* If the port is in SHUTDOWN or FAILED state, ignore this event. */ 10471 if ((cportinfo->cport_state & 10472 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) == 0) { 10473 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 10474 cport_mutex); 10475 return; 10476 } 10477 /* Fail the port */ 10478 cportinfo->cport_state = SATA_PSTATE_FAILED; 10479 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10480 sata_log(sata_hba_inst, CE_WARN, "port %d failed", saddr->cport); 10481 } 10482 10483 /* 10484 * Device Reset Event processing. 10485 * The seqeunce is managed by 3 stage flags: 10486 * - reset event reported, 10487 * - reset event being processed, 10488 * - request to clear device reset state. 10489 */ 10490 static void 10491 sata_process_device_reset(sata_hba_inst_t *sata_hba_inst, 10492 sata_address_t *saddr) 10493 { 10494 sata_drive_info_t old_sdinfo; /* local copy of the drive info */ 10495 sata_drive_info_t *sdinfo; 10496 sata_cport_info_t *cportinfo; 10497 sata_device_t sata_device; 10498 int rval; 10499 10500 /* We only care about host sata cport for now */ 10501 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 10502 10503 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10504 10505 /* If the port is in SHUTDOWN or FAILED state, ignore reset event. */ 10506 if ((cportinfo->cport_state & 10507 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) { 10508 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 10509 cport_mutex); 10510 return; 10511 } 10512 10513 if ((SATA_CPORT_DEV_TYPE(sata_hba_inst, saddr->cport) & 10514 SATA_VALID_DEV_TYPE) == 0) { 10515 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 10516 cport_mutex); 10517 return; 10518 } 10519 sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, saddr->cport); 10520 if (sdinfo == NULL) { 10521 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 10522 cport_mutex); 10523 return; 10524 } 10525 10526 if ((sdinfo->satadrv_event_flags & SATA_EVNT_DEVICE_RESET) == 0) { 10527 /* Nothing to do */ 10528 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 10529 cport_mutex); 10530 return; 10531 } 10532 10533 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 10534 "Processing port %d device reset", saddr->cport); 10535 10536 if (sdinfo->satadrv_event_flags & SATA_EVNT_INPROC_DEVICE_RESET) { 10537 /* Something is weird - new device reset event */ 10538 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 10539 "Overlapping device reset events!", NULL); 10540 /* Just leave */ 10541 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 10542 cport_mutex); 10543 return; 10544 } 10545 10546 /* Clear event flag */ 10547 sdinfo->satadrv_event_flags &= ~SATA_EVNT_DEVICE_RESET; 10548 10549 /* It seems that we always need to check the port state first */ 10550 sata_device.satadev_rev = SATA_DEVICE_REV; 10551 sata_device.satadev_addr = *saddr; 10552 /* 10553 * We have to exit mutex, because the HBA probe port function may 10554 * block on its own mutex. 10555 */ 10556 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10557 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 10558 (SATA_DIP(sata_hba_inst), &sata_device); 10559 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10560 sata_update_port_info(sata_hba_inst, &sata_device); 10561 if (rval != SATA_SUCCESS) { 10562 /* Something went wrong? Fail the port */ 10563 cportinfo->cport_state = SATA_PSTATE_FAILED; 10564 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 10565 cport_mutex); 10566 SATA_LOG_D((sata_hba_inst, CE_WARN, "Port %d probing failed", 10567 saddr->cport)); 10568 return; 10569 } 10570 if ((sata_device.satadev_scr.sstatus & 10571 SATA_PORT_DEVLINK_UP_MASK) != 10572 SATA_PORT_DEVLINK_UP || 10573 sata_device.satadev_type == SATA_DTYPE_NONE) { 10574 /* 10575 * No device to process, anymore. Some other event processing 10576 * would or have already performed port info cleanup. 10577 * To be safe (HBA may need it), request clearing device 10578 * reset condition. 10579 */ 10580 sdinfo->satadrv_event_flags = 0; 10581 sdinfo->satadrv_event_flags |= SATA_EVNT_CLEAR_DEVICE_RESET; 10582 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 10583 cport_mutex); 10584 return; 10585 } 10586 10587 /* Mark device reset processing as active */ 10588 sdinfo->satadrv_event_flags |= SATA_EVNT_INPROC_DEVICE_RESET; 10589 10590 old_sdinfo = *sdinfo; /* local copy of the drive info */ 10591 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10592 10593 if (sata_set_drive_features(sata_hba_inst, &old_sdinfo, 1) == 10594 SATA_FAILURE) { 10595 /* 10596 * Restoring drive setting failed. 10597 * Probe the port first, to check if the port state has changed 10598 */ 10599 sata_device.satadev_rev = SATA_DEVICE_REV; 10600 sata_device.satadev_addr = *saddr; 10601 sata_device.satadev_addr.qual = SATA_ADDR_CPORT; 10602 /* probe port */ 10603 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 10604 (SATA_DIP(sata_hba_inst), &sata_device); 10605 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 10606 cport_mutex); 10607 if (rval == SATA_SUCCESS && 10608 (sata_device.satadev_state & 10609 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) == 0 && 10610 (sata_device.satadev_scr.sstatus & 10611 SATA_PORT_DEVLINK_UP_MASK) == SATA_PORT_DEVLINK_UP && 10612 (sata_device.satadev_type & SATA_DTYPE_ATADISK) != 0) { 10613 /* 10614 * We may retry this a bit later - reinstate reset 10615 * condition 10616 */ 10617 if ((cportinfo->cport_dev_type & 10618 SATA_VALID_DEV_TYPE) != 0 && 10619 SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { 10620 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 10621 sdinfo->satadrv_event_flags |= 10622 SATA_EVNT_DEVICE_RESET; 10623 sdinfo->satadrv_event_flags &= 10624 ~SATA_EVNT_INPROC_DEVICE_RESET; 10625 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 10626 saddr->cport)->cport_mutex); 10627 mutex_enter(&sata_hba_inst->satahba_mutex); 10628 sata_hba_inst->satahba_event_flags |= 10629 SATA_EVNT_MAIN; 10630 mutex_exit(&sata_hba_inst->satahba_mutex); 10631 mutex_enter(&sata_mutex); 10632 sata_event_pending |= SATA_EVNT_MAIN; 10633 mutex_exit(&sata_mutex); 10634 return; 10635 } 10636 } else { 10637 /* 10638 * No point of retrying - some other event processing 10639 * would or already did port info cleanup. 10640 * To be safe (HBA may need it), 10641 * request clearing device reset condition. 10642 */ 10643 sdinfo->satadrv_event_flags = 0; 10644 sdinfo->satadrv_event_flags |= 10645 SATA_EVNT_CLEAR_DEVICE_RESET; 10646 } 10647 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 10648 cport_mutex); 10649 return; 10650 } 10651 10652 /* 10653 * Raise the flag indicating that the next sata command could 10654 * be sent with SATA_CLEAR_DEV_RESET_STATE flag, if no new device 10655 * reset is reported. 10656 */ 10657 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10658 if ((cportinfo->cport_dev_type & SATA_VALID_DEV_TYPE) != 0 && 10659 SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { 10660 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 10661 sdinfo->satadrv_event_flags &= ~SATA_EVNT_INPROC_DEVICE_RESET; 10662 sdinfo->satadrv_event_flags |= SATA_EVNT_CLEAR_DEVICE_RESET; 10663 } 10664 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10665 } 10666 10667 10668 /* 10669 * Port Link Events processing. 10670 * Every link established event may involve device reset (due to 10671 * COMRESET signal, equivalent of the hard reset) so arbitrarily 10672 * set device reset event for an attached device (if any). 10673 * If the port is in SHUTDOWN or FAILED state, ignore link events. 10674 * 10675 * The link established event processing varies, depending on the state 10676 * of the target node, HBA hotplugging capabilities, state of the port. 10677 * If the link is not active, the link established event is ignored. 10678 * If HBA cannot detect device attachment and there is no target node, 10679 * the link established event triggers device attach event processing. 10680 * Else, link established event triggers device reset event processing. 10681 * 10682 * The link lost event processing varies, depending on a HBA hotplugging 10683 * capability and the state of the port (link active or not active). 10684 * If the link is active, the lost link event is ignored. 10685 * If HBA cannot detect device removal, the lost link event triggers 10686 * device detached event processing after link lost timeout. 10687 * Else, the event is ignored. 10688 * 10689 * NOTE: Only cports are processed for now, i.e. no port multiplier ports 10690 */ 10691 static void 10692 sata_process_port_link_events(sata_hba_inst_t *sata_hba_inst, 10693 sata_address_t *saddr) 10694 { 10695 sata_device_t sata_device; 10696 sata_cport_info_t *cportinfo; 10697 sata_drive_info_t *sdinfo; 10698 uint32_t event_flags; 10699 int rval; 10700 10701 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 10702 "Processing port %d link event(s)", saddr->cport); 10703 10704 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 10705 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10706 event_flags = cportinfo->cport_event_flags; 10707 10708 /* Reset event flags first */ 10709 cportinfo->cport_event_flags &= 10710 ~(SATA_EVNT_LINK_ESTABLISHED | SATA_EVNT_LINK_LOST); 10711 10712 /* If the port is in SHUTDOWN or FAILED state, ignore link events. */ 10713 if ((cportinfo->cport_state & 10714 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) { 10715 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 10716 cport_mutex); 10717 return; 10718 } 10719 10720 /* 10721 * For the sanity sake get current port state. 10722 * Set device address only. Other sata_device fields should be 10723 * set by HBA driver. 10724 */ 10725 sata_device.satadev_rev = SATA_DEVICE_REV; 10726 sata_device.satadev_addr = *saddr; 10727 /* 10728 * We have to exit mutex, because the HBA probe port function may 10729 * block on its own mutex. 10730 */ 10731 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10732 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 10733 (SATA_DIP(sata_hba_inst), &sata_device); 10734 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10735 sata_update_port_info(sata_hba_inst, &sata_device); 10736 if (rval != SATA_SUCCESS) { 10737 /* Something went wrong? Fail the port */ 10738 cportinfo->cport_state = SATA_PSTATE_FAILED; 10739 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 10740 cport_mutex); 10741 SATA_LOG_D((sata_hba_inst, CE_WARN, "Port %d probing failed", 10742 saddr->cport)); 10743 /* 10744 * We may want to release device info structure, but 10745 * it is not necessary. 10746 */ 10747 return; 10748 } else { 10749 /* port probed successfully */ 10750 cportinfo->cport_state |= SATA_STATE_PROBED | SATA_STATE_READY; 10751 } 10752 if (event_flags & SATA_EVNT_LINK_ESTABLISHED) { 10753 10754 if ((sata_device.satadev_scr.sstatus & 10755 SATA_PORT_DEVLINK_UP_MASK) != SATA_PORT_DEVLINK_UP) { 10756 /* Ignore event */ 10757 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 10758 "Ignoring port %d link established event - " 10759 "link down", 10760 saddr->cport); 10761 goto linklost; 10762 } 10763 10764 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 10765 "Processing port %d link established event", 10766 saddr->cport); 10767 10768 /* 10769 * For the sanity sake check if a device is attached - check 10770 * return state of a port probing. 10771 */ 10772 if (sata_device.satadev_type != SATA_DTYPE_NONE && 10773 sata_device.satadev_type != SATA_DTYPE_PMULT) { 10774 /* 10775 * HBA port probe indicated that there is a device 10776 * attached. Check if the framework had device info 10777 * structure attached for this device. 10778 */ 10779 if (cportinfo->cport_dev_type != SATA_DTYPE_NONE) { 10780 ASSERT(SATA_CPORTINFO_DRV_INFO(cportinfo) != 10781 NULL); 10782 10783 sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 10784 if ((sdinfo->satadrv_type & 10785 SATA_VALID_DEV_TYPE) != 0) { 10786 /* 10787 * Dev info structure is present. 10788 * If dev_type is set to known type in 10789 * the framework's drive info struct 10790 * then the device existed before and 10791 * the link was probably lost 10792 * momentarily - in such case 10793 * we may want to check device 10794 * identity. 10795 * Identity check is not supported now. 10796 * 10797 * Link established event 10798 * triggers device reset event. 10799 */ 10800 (SATA_CPORTINFO_DRV_INFO(cportinfo))-> 10801 satadrv_event_flags |= 10802 SATA_EVNT_DEVICE_RESET; 10803 } 10804 } else if (cportinfo->cport_dev_type == 10805 SATA_DTYPE_NONE) { 10806 /* 10807 * We got new device attached! If HBA does not 10808 * generate device attached events, trigger it 10809 * here. 10810 */ 10811 if (!(SATA_FEATURES(sata_hba_inst) & 10812 SATA_CTLF_HOTPLUG)) { 10813 cportinfo->cport_event_flags |= 10814 SATA_EVNT_DEVICE_ATTACHED; 10815 } 10816 } 10817 /* Reset link lost timeout */ 10818 cportinfo->cport_link_lost_time = 0; 10819 } 10820 } 10821 linklost: 10822 if (event_flags & SATA_EVNT_LINK_LOST) { 10823 if ((sata_device.satadev_scr.sstatus & 10824 SATA_PORT_DEVLINK_UP_MASK) == SATA_PORT_DEVLINK_UP) { 10825 /* Ignore event */ 10826 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 10827 "Ignoring port %d link lost event - link is up", 10828 saddr->cport); 10829 goto done; 10830 } 10831 #ifdef SATA_DEBUG 10832 if (cportinfo->cport_link_lost_time == 0) { 10833 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 10834 "Processing port %d link lost event", 10835 saddr->cport); 10836 } 10837 #endif 10838 /* 10839 * When HBA cannot generate device attached/detached events, 10840 * we need to track link lost time and eventually generate 10841 * device detach event. 10842 */ 10843 if (!(SATA_FEATURES(sata_hba_inst) & SATA_CTLF_HOTPLUG)) { 10844 /* We are tracking link lost time */ 10845 if (cportinfo->cport_link_lost_time == 0) { 10846 /* save current time (lbolt value) */ 10847 cportinfo->cport_link_lost_time = 10848 ddi_get_lbolt(); 10849 /* just keep link lost event */ 10850 cportinfo->cport_event_flags |= 10851 SATA_EVNT_LINK_LOST; 10852 } else { 10853 clock_t cur_time = ddi_get_lbolt(); 10854 if ((cur_time - 10855 cportinfo->cport_link_lost_time) >= 10856 drv_usectohz( 10857 SATA_EVNT_LINK_LOST_TIMEOUT)) { 10858 /* trigger device detach event */ 10859 cportinfo->cport_event_flags |= 10860 SATA_EVNT_DEVICE_DETACHED; 10861 cportinfo->cport_link_lost_time = 0; 10862 SATADBG1(SATA_DBG_EVENTS, 10863 sata_hba_inst, 10864 "Triggering port %d " 10865 "device detached event", 10866 saddr->cport); 10867 } else { 10868 /* keep link lost event */ 10869 cportinfo->cport_event_flags |= 10870 SATA_EVNT_LINK_LOST; 10871 } 10872 } 10873 } 10874 /* 10875 * We could change port state to disable/delay access to 10876 * the attached device until the link is recovered. 10877 */ 10878 } 10879 done: 10880 event_flags = cportinfo->cport_event_flags; 10881 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10882 if (event_flags != 0) { 10883 mutex_enter(&sata_hba_inst->satahba_mutex); 10884 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 10885 mutex_exit(&sata_hba_inst->satahba_mutex); 10886 mutex_enter(&sata_mutex); 10887 sata_event_pending |= SATA_EVNT_MAIN; 10888 mutex_exit(&sata_mutex); 10889 } 10890 } 10891 10892 /* 10893 * Device Detached Event processing. 10894 * Port is probed to find if a device is really gone. If so, 10895 * the device info structure is detached from the SATA port info structure 10896 * and released. 10897 * Port status is updated. 10898 * 10899 * NOTE: Process cports event only, no port multiplier ports. 10900 */ 10901 static void 10902 sata_process_device_detached(sata_hba_inst_t *sata_hba_inst, 10903 sata_address_t *saddr) 10904 { 10905 sata_cport_info_t *cportinfo; 10906 sata_drive_info_t *sdevinfo; 10907 sata_device_t sata_device; 10908 dev_info_t *tdip; 10909 int rval; 10910 10911 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 10912 "Processing port %d device detached", saddr->cport); 10913 10914 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 10915 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10916 /* Clear event flag */ 10917 cportinfo->cport_event_flags &= ~SATA_EVNT_DEVICE_DETACHED; 10918 10919 /* If the port is in SHUTDOWN or FAILED state, ignore detach event. */ 10920 if ((cportinfo->cport_state & 10921 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) { 10922 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 10923 cport_mutex); 10924 return; 10925 } 10926 /* For sanity, re-probe the port */ 10927 sata_device.satadev_rev = SATA_DEVICE_REV; 10928 sata_device.satadev_addr = *saddr; 10929 10930 /* 10931 * We have to exit mutex, because the HBA probe port function may 10932 * block on its own mutex. 10933 */ 10934 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10935 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 10936 (SATA_DIP(sata_hba_inst), &sata_device); 10937 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10938 sata_update_port_info(sata_hba_inst, &sata_device); 10939 if (rval != SATA_SUCCESS) { 10940 /* Something went wrong? Fail the port */ 10941 cportinfo->cport_state = SATA_PSTATE_FAILED; 10942 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 10943 cport_mutex); 10944 SATA_LOG_D((sata_hba_inst, CE_WARN, "Port %d probing failed", 10945 saddr->cport)); 10946 /* 10947 * We may want to release device info structure, but 10948 * it is not necessary. 10949 */ 10950 return; 10951 } else { 10952 /* port probed successfully */ 10953 cportinfo->cport_state |= SATA_STATE_PROBED | SATA_STATE_READY; 10954 } 10955 /* 10956 * Check if a device is still attached. For sanity, check also 10957 * link status - if no link, there is no device. 10958 */ 10959 if ((sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) == 10960 SATA_PORT_DEVLINK_UP && sata_device.satadev_type != 10961 SATA_DTYPE_NONE) { 10962 /* 10963 * Device is still attached - ignore detach event. 10964 */ 10965 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 10966 cport_mutex); 10967 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 10968 "Ignoring detach - device still attached to port %d", 10969 sata_device.satadev_addr.cport); 10970 return; 10971 } 10972 /* 10973 * We need to detach and release device info structure here 10974 */ 10975 if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { 10976 sdevinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 10977 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 10978 (void) kmem_free((void *)sdevinfo, 10979 sizeof (sata_drive_info_t)); 10980 } 10981 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 10982 /* 10983 * Device cannot be reached anymore, even if the target node may be 10984 * still present. 10985 */ 10986 10987 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 10988 sata_log(sata_hba_inst, CE_WARN, "SATA device detached at port %d", 10989 sata_device.satadev_addr.cport); 10990 10991 /* 10992 * Try to offline a device and remove target node if it still exists 10993 */ 10994 tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), saddr->cport); 10995 if (tdip != NULL) { 10996 /* 10997 * target node exist - unconfigure device first, then remove 10998 * the node 10999 */ 11000 if (ndi_devi_offline(tdip, NDI_UNCONFIG) != NDI_SUCCESS) { 11001 /* 11002 * PROBLEM - no device, but target node remained 11003 * This happens when the file was open or node was 11004 * waiting for resources. 11005 */ 11006 SATA_LOG_D((sata_hba_inst, CE_WARN, 11007 "sata_process_device_detached: " 11008 "Failed to unconfigure removed device.")); 11009 } 11010 if (ndi_devi_offline(tdip, NDI_DEVI_REMOVE) != NDI_SUCCESS) { 11011 /* 11012 * PROBLEM - no device, but target node remained 11013 * This happens when the file was open or node was 11014 * waiting for resources. 11015 */ 11016 SATA_LOG_D((sata_hba_inst, CE_WARN, 11017 "sata_process_device_detached: " 11018 "Failed to remove target node for " 11019 "removed device.")); 11020 } 11021 } 11022 /* 11023 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 11024 * with the hint: SE_HINT_REMOVE 11025 */ 11026 sata_gen_sysevent(sata_hba_inst, saddr, SE_HINT_REMOVE); 11027 } 11028 11029 11030 /* 11031 * Device Attached Event processing. 11032 * Port state is checked to verify that a device is really attached. If so, 11033 * the device info structure is created and attached to the SATA port info 11034 * structure. 11035 * 11036 * If attached device cannot be identified or set-up, the retry for the 11037 * attach processing is set-up. Subsequent daemon run would try again to 11038 * identify the device, until the time limit is reached 11039 * (SATA_DEV_IDENTIFY_TIMEOUT). 11040 * 11041 * This function cannot be called in interrupt context (it may sleep). 11042 * 11043 * NOTE: Process cports event only, no port multiplier ports. 11044 */ 11045 static void 11046 sata_process_device_attached(sata_hba_inst_t *sata_hba_inst, 11047 sata_address_t *saddr) 11048 { 11049 sata_cport_info_t *cportinfo; 11050 sata_drive_info_t *sdevinfo; 11051 sata_device_t sata_device; 11052 dev_info_t *tdip; 11053 uint32_t event_flags; 11054 int rval; 11055 11056 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 11057 "Processing port %d device attached", saddr->cport); 11058 11059 cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); 11060 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 11061 11062 /* Clear event flag first */ 11063 cportinfo->cport_event_flags &= ~SATA_EVNT_DEVICE_ATTACHED; 11064 /* If the port is in SHUTDOWN or FAILED state, ignore event. */ 11065 if ((cportinfo->cport_state & 11066 (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) { 11067 cportinfo->cport_dev_attach_time = 0; 11068 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 11069 cport_mutex); 11070 return; 11071 } 11072 11073 /* 11074 * If the sata_drive_info structure is found attached to the port info, 11075 * something went wrong in the event reporting and processing sequence. 11076 * To recover, arbitrarily release device info structure and issue 11077 * a warning. 11078 */ 11079 if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { 11080 sdevinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); 11081 SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; 11082 (void) kmem_free((void *)sdevinfo, 11083 sizeof (sata_drive_info_t)); 11084 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 11085 "Arbitrarily detaching old device info.", NULL); 11086 } 11087 cportinfo->cport_dev_type = SATA_DTYPE_NONE; 11088 11089 /* For sanity, re-probe the port */ 11090 sata_device.satadev_rev = SATA_DEVICE_REV; 11091 sata_device.satadev_addr = *saddr; 11092 11093 /* 11094 * We have to exit mutex, because the HBA probe port function may 11095 * block on its own mutex. 11096 */ 11097 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 11098 rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) 11099 (SATA_DIP(sata_hba_inst), &sata_device); 11100 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 11101 sata_update_port_info(sata_hba_inst, &sata_device); 11102 if (rval != SATA_SUCCESS) { 11103 /* Something went wrong? Fail the port */ 11104 cportinfo->cport_state = SATA_PSTATE_FAILED; 11105 cportinfo->cport_dev_attach_time = 0; 11106 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 11107 cport_mutex); 11108 SATA_LOG_D((sata_hba_inst, CE_WARN, "Port %d probing failed", 11109 saddr->cport)); 11110 return; 11111 } else { 11112 /* port probed successfully */ 11113 cportinfo->cport_state |= SATA_STATE_PROBED | SATA_STATE_READY; 11114 } 11115 /* 11116 * Check if a device is still attached. For sanity, check also 11117 * link status - if no link, there is no device. 11118 */ 11119 if ((sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != 11120 SATA_PORT_DEVLINK_UP || sata_device.satadev_type == 11121 SATA_DTYPE_NONE) { 11122 /* 11123 * No device - ignore attach event. 11124 */ 11125 cportinfo->cport_dev_attach_time = 0; 11126 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> 11127 cport_mutex); 11128 SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, 11129 "Ignoring attach - no device connected to port %d", 11130 sata_device.satadev_addr.cport); 11131 return; 11132 } 11133 11134 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 11135 /* 11136 * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE 11137 * with the hint: SE_HINT_INSERT 11138 */ 11139 sata_gen_sysevent(sata_hba_inst, saddr, SE_HINT_INSERT); 11140 11141 /* 11142 * Make sure that there is no target node for that device. 11143 * If so, release it. It should not happen, unless we had problem 11144 * removing the node when device was detached. 11145 */ 11146 tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), saddr->cport); 11147 if (tdip != NULL) { 11148 11149 SATA_LOG_D((sata_hba_inst, CE_WARN, 11150 "sata_process_device_attached: " 11151 "old device target node exists!!!")); 11152 /* 11153 * target node exist - unconfigure device first, then remove 11154 * the node 11155 */ 11156 if (ndi_devi_offline(tdip, NDI_UNCONFIG) != NDI_SUCCESS) { 11157 /* 11158 * PROBLEM - no device, but target node remained 11159 * This happens when the file was open or node was 11160 * waiting for resources. 11161 */ 11162 SATA_LOG_D((sata_hba_inst, CE_WARN, 11163 "sata_process_device_attached: " 11164 "Failed to unconfigure old target node!")); 11165 } 11166 /* Following call will retry node offlining and removing it */ 11167 if (ndi_devi_offline(tdip, NDI_DEVI_REMOVE) != NDI_SUCCESS) { 11168 /* PROBLEM - no device, but target node remained */ 11169 SATA_LOG_D((sata_hba_inst, CE_WARN, 11170 "sata_process_device_attached: " 11171 "Failed to remove old target node!")); 11172 /* 11173 * It is not clear, what should be done here. 11174 * For now, we will not attach a new device 11175 */ 11176 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, 11177 saddr->cport)->cport_mutex); 11178 cportinfo->cport_dev_attach_time = 0; 11179 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, 11180 saddr->cport)->cport_mutex); 11181 return; 11182 } 11183 } 11184 11185 /* 11186 * Port reprobing will take care of the creation of the device info 11187 * structure and determination of the device type. 11188 */ 11189 sata_device.satadev_addr = *saddr; 11190 rval = sata_reprobe_port(sata_hba_inst, &sata_device, 11191 SATA_DEV_IDENTIFY_NORETRY); 11192 11193 mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 11194 if ((cportinfo->cport_state & SATA_STATE_READY) && 11195 (cportinfo->cport_dev_type != SATA_DTYPE_NONE)) { 11196 /* Some device is attached to the port */ 11197 if (cportinfo->cport_dev_type == SATA_DTYPE_UNKNOWN) { 11198 /* 11199 * A device was not successfully attached. 11200 * Track retry time for device identification. 11201 */ 11202 if (cportinfo->cport_dev_attach_time != 0) { 11203 clock_t cur_time = ddi_get_lbolt(); 11204 /* 11205 * If the retry time limit was not exceeded, 11206 * reinstate attach event. 11207 */ 11208 if ((cur_time - 11209 cportinfo->cport_dev_attach_time) < 11210 drv_usectohz( 11211 SATA_DEV_IDENTIFY_TIMEOUT)) { 11212 /* OK, restore attach event */ 11213 cportinfo->cport_event_flags |= 11214 SATA_EVNT_DEVICE_ATTACHED; 11215 } else { 11216 /* Timeout - cannot identify device */ 11217 cportinfo->cport_dev_attach_time = 0; 11218 } 11219 } else { 11220 /* 11221 * Start tracking time for dev identification. 11222 * save current time (lbolt value). 11223 */ 11224 cportinfo->cport_dev_attach_time = 11225 ddi_get_lbolt(); 11226 /* Restore attach event */ 11227 cportinfo->cport_event_flags |= 11228 SATA_EVNT_DEVICE_ATTACHED; 11229 } 11230 } else { 11231 /* 11232 * If device was successfully attached, an explicit 11233 * 'configure' command will be needed to configure it. 11234 */ 11235 cportinfo->cport_dev_attach_time = 0; 11236 sata_log(sata_hba_inst, CE_WARN, 11237 "SATA device attached at port %d", saddr->cport); 11238 11239 if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { 11240 sata_drive_info_t new_sdinfo; 11241 11242 /* Log device info data */ 11243 new_sdinfo = 11244 *(SATA_CPORTINFO_DRV_INFO(cportinfo)); 11245 sata_show_drive_info(sata_hba_inst, 11246 &new_sdinfo); 11247 } 11248 } 11249 } else { 11250 cportinfo->cport_dev_attach_time = 0; 11251 } 11252 event_flags = cportinfo->cport_event_flags; 11253 mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); 11254 if (event_flags != 0) { 11255 mutex_enter(&sata_hba_inst->satahba_mutex); 11256 sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; 11257 mutex_exit(&sata_hba_inst->satahba_mutex); 11258 mutex_enter(&sata_mutex); 11259 sata_event_pending |= SATA_EVNT_MAIN; 11260 mutex_exit(&sata_mutex); 11261 } 11262 } 11263 11264 11265 /* 11266 * sata_set_drive_features function compares current device features setting 11267 * with the saved device features settings and, if there is a difference, 11268 * it restores device features setting to the previously saved state. 11269 * Device Identify data has to be current. 11270 * At the moment only read ahead and write cache settings are considered. 11271 * 11272 * This function cannot be called in the interrupt context (it may sleep). 11273 * 11274 * The input argument sdinfo should point to the drive info structure 11275 * to be updated after features are set. 11276 * 11277 * Returns TRUE if successful or there was nothing to do. 11278 * Returns FALSE if device features could not be set . 11279 * 11280 * Note: This function may fail the port, making it inaccessible. 11281 * Explicit port disconnect/connect or physical device 11282 * detach/attach is required to re-evaluate it's state afterwards 11283 */ 11284 11285 static int 11286 sata_set_drive_features(sata_hba_inst_t *sata_hba_inst, 11287 sata_drive_info_t *sdinfo, int restore) 11288 { 11289 int rval = SATA_SUCCESS; 11290 sata_drive_info_t new_sdinfo; 11291 char *finfo = "sata_set_drive_features: cannot"; 11292 char *finfox; 11293 int cache_op; 11294 11295 bzero(&new_sdinfo, sizeof (sata_drive_info_t)); 11296 new_sdinfo.satadrv_addr = sdinfo->satadrv_addr; 11297 new_sdinfo.satadrv_type = sdinfo->satadrv_type; 11298 if (sata_fetch_device_identify_data(sata_hba_inst, &new_sdinfo) != 0) { 11299 /* 11300 * Cannot get device identification - retry later 11301 */ 11302 SATA_LOG_D((sata_hba_inst, CE_WARN, 11303 "%s fetch device identify data\n", finfo)); 11304 return (SATA_FAILURE); 11305 } 11306 /* Arbitrarily set UDMA mode */ 11307 if (sata_set_udma_mode(sata_hba_inst, &new_sdinfo) != SATA_SUCCESS) { 11308 SATA_LOG_D((sata_hba_inst, CE_WARN, 11309 "%s set UDMA mode\n", finfo)); 11310 return (SATA_FAILURE); 11311 } 11312 11313 if (!(new_sdinfo.satadrv_id.ai_cmdset82 & SATA_LOOK_AHEAD) && 11314 !(new_sdinfo.satadrv_id.ai_cmdset82 & SATA_WRITE_CACHE)) { 11315 /* None of the features is supported - do nothing */ 11316 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 11317 "settable features not supported\n", NULL); 11318 return (SATA_SUCCESS); 11319 } 11320 11321 if (((new_sdinfo.satadrv_id.ai_features85 & SATA_LOOK_AHEAD) && 11322 (sdinfo->satadrv_settings & SATA_DEV_READ_AHEAD)) && 11323 ((new_sdinfo.satadrv_id.ai_features85 & SATA_WRITE_CACHE) && 11324 (sdinfo->satadrv_settings & SATA_DEV_WRITE_CACHE))) { 11325 /* Nothing to do */ 11326 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 11327 "no device features to set\n", NULL); 11328 return (SATA_SUCCESS); 11329 } 11330 11331 finfox = (restore != 0) ? " restore device features" : 11332 " initialize device features\n"; 11333 11334 if (!((new_sdinfo.satadrv_id.ai_features85 & SATA_LOOK_AHEAD) && 11335 (sdinfo->satadrv_settings & SATA_DEV_READ_AHEAD))) { 11336 if (sdinfo->satadrv_settings & SATA_DEV_READ_AHEAD) { 11337 /* Enable read ahead / read cache */ 11338 cache_op = SATAC_SF_ENABLE_READ_AHEAD; 11339 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 11340 "enabling read cache\n", NULL); 11341 } else { 11342 /* Disable read ahead / read cache */ 11343 cache_op = SATAC_SF_DISABLE_READ_AHEAD; 11344 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 11345 "disabling read cache\n", NULL); 11346 } 11347 11348 /* Try to set read cache mode */ 11349 if (sata_set_cache_mode(sata_hba_inst, &new_sdinfo, 11350 cache_op) != SATA_SUCCESS) { 11351 /* Pkt execution failed */ 11352 rval = SATA_FAILURE; 11353 } 11354 } 11355 11356 if (!((new_sdinfo.satadrv_id.ai_features85 & SATA_WRITE_CACHE) && 11357 (sdinfo->satadrv_settings & SATA_DEV_WRITE_CACHE))) { 11358 if (sdinfo->satadrv_settings & SATA_DEV_WRITE_CACHE) { 11359 /* Enable write cache */ 11360 cache_op = SATAC_SF_ENABLE_WRITE_CACHE; 11361 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 11362 "enabling write cache\n", NULL); 11363 } else { 11364 /* Disable write cache */ 11365 cache_op = SATAC_SF_DISABLE_WRITE_CACHE; 11366 SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, 11367 "disabling write cache\n", NULL); 11368 } 11369 /* Try to set write cache mode */ 11370 if (sata_set_cache_mode(sata_hba_inst, &new_sdinfo, 11371 cache_op) != SATA_SUCCESS) { 11372 /* Pkt execution failed */ 11373 rval = SATA_FAILURE; 11374 } 11375 } 11376 11377 if (rval == SATA_FAILURE) 11378 SATA_LOG_D((sata_hba_inst, CE_WARN, 11379 "%s %s", finfo, finfox)); 11380 11381 /* 11382 * We need to fetch Device Identify data again 11383 */ 11384 if (sata_fetch_device_identify_data(sata_hba_inst, &new_sdinfo) != 0) { 11385 /* 11386 * Cannot get device identification - retry later 11387 */ 11388 SATA_LOG_D((sata_hba_inst, CE_WARN, 11389 "%s cannot re-fetch device identify data\n")); 11390 rval = SATA_FAILURE; 11391 } 11392 /* Copy device sata info. */ 11393 sdinfo->satadrv_id = new_sdinfo.satadrv_id; 11394 11395 return (rval); 11396 } 11397 11398 11399 /* 11400 * 11401 * Returns 1 if threshold exceeded, 0 if threshold not exceeded, -1 if 11402 * unable to determine. 11403 * 11404 * Cannot be called in an interrupt context. 11405 * 11406 * Called by sata_build_lsense_page_2f() 11407 */ 11408 11409 static int 11410 sata_fetch_smart_return_status(sata_hba_inst_t *sata_hba_inst, 11411 sata_drive_info_t *sdinfo) 11412 { 11413 sata_pkt_t *spkt; 11414 sata_cmd_t *scmd; 11415 sata_pkt_txlate_t *spx; 11416 int rval; 11417 11418 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 11419 spx->txlt_sata_hba_inst = sata_hba_inst; 11420 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 11421 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 11422 if (spkt == NULL) { 11423 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 11424 return (-1); 11425 } 11426 /* address is needed now */ 11427 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 11428 11429 11430 /* Fill sata_pkt */ 11431 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 11432 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 11433 /* Synchronous mode, no callback */ 11434 spkt->satapkt_comp = NULL; 11435 /* Timeout 30s */ 11436 spkt->satapkt_time = sata_default_pkt_time; 11437 11438 scmd = &spkt->satapkt_cmd; 11439 scmd->satacmd_flags.sata_special_regs = B_TRUE; 11440 scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; 11441 11442 /* Set up which registers need to be returned */ 11443 scmd->satacmd_flags.sata_copy_out_lba_mid_lsb = B_TRUE; 11444 scmd->satacmd_flags.sata_copy_out_lba_high_lsb = B_TRUE; 11445 11446 /* Build SMART_RETURN_STATUS cmd in the sata_pkt */ 11447 scmd->satacmd_addr_type = 0; /* N/A */ 11448 scmd->satacmd_sec_count_lsb = 0; /* N/A */ 11449 scmd->satacmd_lba_low_lsb = 0; /* N/A */ 11450 scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; 11451 scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; 11452 scmd->satacmd_features_reg = SATA_SMART_RETURN_STATUS; 11453 scmd->satacmd_device_reg = 0; /* Always device 0 */ 11454 scmd->satacmd_cmd_reg = SATAC_SMART; 11455 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 11456 sdinfo->satadrv_addr.cport))); 11457 11458 11459 /* Send pkt to SATA HBA driver */ 11460 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 11461 SATA_TRAN_ACCEPTED || 11462 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 11463 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 11464 sdinfo->satadrv_addr.cport))); 11465 /* 11466 * Whoops, no SMART RETURN STATUS 11467 */ 11468 rval = -1; 11469 } else { 11470 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 11471 sdinfo->satadrv_addr.cport))); 11472 if (scmd->satacmd_error_reg & SATA_ERROR_ABORT) { 11473 rval = -1; 11474 goto fail; 11475 } 11476 if (scmd->satacmd_status_reg & SATA_STATUS_ERR) { 11477 rval = -1; 11478 goto fail; 11479 } 11480 if ((scmd->satacmd_lba_mid_lsb == SMART_MAGIC_VAL_1) && 11481 (scmd->satacmd_lba_high_lsb == SMART_MAGIC_VAL_2)) 11482 rval = 0; 11483 else if ((scmd->satacmd_lba_mid_lsb == SMART_MAGIC_VAL_3) && 11484 (scmd->satacmd_lba_high_lsb == SMART_MAGIC_VAL_4)) 11485 rval = 1; 11486 else { 11487 rval = -1; 11488 goto fail; 11489 } 11490 } 11491 fail: 11492 /* Free allocated resources */ 11493 sata_pkt_free(spx); 11494 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 11495 11496 return (rval); 11497 } 11498 11499 /* 11500 * 11501 * Returns 0 if succeeded, -1 otherwise 11502 * 11503 * Cannot be called in an interrupt context. 11504 * 11505 */ 11506 static int 11507 sata_fetch_smart_data( 11508 sata_hba_inst_t *sata_hba_inst, 11509 sata_drive_info_t *sdinfo, 11510 struct smart_data *smart_data) 11511 { 11512 sata_pkt_t *spkt; 11513 sata_cmd_t *scmd; 11514 sata_pkt_txlate_t *spx; 11515 int rval; 11516 11517 #if ! defined(lint) 11518 ASSERT(sizeof (struct smart_data) == 512); 11519 #endif 11520 11521 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 11522 spx->txlt_sata_hba_inst = sata_hba_inst; 11523 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 11524 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 11525 if (spkt == NULL) { 11526 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 11527 return (-1); 11528 } 11529 /* address is needed now */ 11530 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 11531 11532 11533 /* Fill sata_pkt */ 11534 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 11535 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 11536 /* Synchronous mode, no callback */ 11537 spkt->satapkt_comp = NULL; 11538 /* Timeout 30s */ 11539 spkt->satapkt_time = sata_default_pkt_time; 11540 11541 scmd = &spkt->satapkt_cmd; 11542 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 11543 11544 /* 11545 * Allocate buffer for SMART data 11546 */ 11547 scmd->satacmd_bp = sata_alloc_local_buffer(spx, 11548 sizeof (struct smart_data)); 11549 if (scmd->satacmd_bp == NULL) { 11550 sata_pkt_free(spx); 11551 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 11552 SATA_LOG_D((sata_hba_inst, CE_WARN, 11553 "sata_fetch_smart_data: " 11554 "cannot allocate buffer")); 11555 return (-1); 11556 } 11557 11558 11559 /* Build SMART_READ_DATA cmd in the sata_pkt */ 11560 scmd->satacmd_addr_type = 0; /* N/A */ 11561 scmd->satacmd_sec_count_lsb = 0; /* N/A */ 11562 scmd->satacmd_lba_low_lsb = 0; /* N/A */ 11563 scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; 11564 scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; 11565 scmd->satacmd_features_reg = SATA_SMART_READ_DATA; 11566 scmd->satacmd_device_reg = 0; /* Always device 0 */ 11567 scmd->satacmd_cmd_reg = SATAC_SMART; 11568 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 11569 sdinfo->satadrv_addr.cport))); 11570 11571 /* Send pkt to SATA HBA driver */ 11572 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 11573 SATA_TRAN_ACCEPTED || 11574 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 11575 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 11576 sdinfo->satadrv_addr.cport))); 11577 /* 11578 * Whoops, no SMART DATA available 11579 */ 11580 rval = -1; 11581 goto fail; 11582 } else { 11583 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 11584 sdinfo->satadrv_addr.cport))); 11585 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 11586 DDI_DMA_SYNC_FORKERNEL); 11587 ASSERT(rval == DDI_SUCCESS); 11588 bcopy(scmd->satacmd_bp->b_un.b_addr, (uint8_t *)smart_data, 11589 sizeof (struct smart_data)); 11590 } 11591 11592 fail: 11593 /* Free allocated resources */ 11594 sata_free_local_buffer(spx); 11595 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; 11596 sata_pkt_free(spx); 11597 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 11598 11599 return (rval); 11600 } 11601 11602 /* 11603 * Used by LOG SENSE page 0x10 11604 * 11605 * return 0 for success, -1 otherwise 11606 * 11607 */ 11608 static int 11609 sata_ext_smart_selftest_read_log( 11610 sata_hba_inst_t *sata_hba_inst, 11611 sata_drive_info_t *sdinfo, 11612 struct smart_ext_selftest_log *ext_selftest_log, 11613 uint16_t block_num) 11614 { 11615 sata_pkt_txlate_t *spx; 11616 sata_pkt_t *spkt; 11617 sata_cmd_t *scmd; 11618 int rval; 11619 11620 #if ! defined(lint) 11621 ASSERT(sizeof (struct smart_ext_selftest_log) == 512); 11622 #endif 11623 11624 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 11625 spx->txlt_sata_hba_inst = sata_hba_inst; 11626 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 11627 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 11628 if (spkt == NULL) { 11629 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 11630 return (-1); 11631 } 11632 /* address is needed now */ 11633 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 11634 11635 11636 /* Fill sata_pkt */ 11637 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 11638 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 11639 /* Synchronous mode, no callback */ 11640 spkt->satapkt_comp = NULL; 11641 /* Timeout 30s */ 11642 spkt->satapkt_time = sata_default_pkt_time; 11643 11644 scmd = &spkt->satapkt_cmd; 11645 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 11646 11647 /* 11648 * Allocate buffer for SMART extended self-test log 11649 */ 11650 scmd->satacmd_bp = sata_alloc_local_buffer(spx, 11651 sizeof (struct smart_ext_selftest_log)); 11652 if (scmd->satacmd_bp == NULL) { 11653 sata_pkt_free(spx); 11654 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 11655 SATA_LOG_D((sata_hba_inst, CE_WARN, 11656 "sata_ext_smart_selftest_log: " 11657 "cannot allocate buffer")); 11658 return (-1); 11659 } 11660 11661 /* Build READ LOG EXT w/ extended self-test log cmd in the sata_pkt */ 11662 scmd->satacmd_addr_type = ATA_ADDR_LBA48; 11663 scmd->satacmd_sec_count_lsb = 1; /* One sector of selftest log */ 11664 scmd->satacmd_sec_count_msb = 0; /* One sector of selftest log */ 11665 scmd->satacmd_lba_low_lsb = EXT_SMART_SELFTEST_LOG_PAGE; 11666 scmd->satacmd_lba_low_msb = 0; 11667 scmd->satacmd_lba_mid_lsb = block_num & 0xff; 11668 scmd->satacmd_lba_mid_msb = block_num >> 8; 11669 scmd->satacmd_device_reg = 0; /* Always device 0 */ 11670 scmd->satacmd_cmd_reg = SATAC_READ_LOG_EXT; 11671 11672 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 11673 sdinfo->satadrv_addr.cport))); 11674 11675 /* Send pkt to SATA HBA driver */ 11676 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 11677 SATA_TRAN_ACCEPTED || 11678 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 11679 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 11680 sdinfo->satadrv_addr.cport))); 11681 11682 /* 11683 * Whoops, no SMART selftest log info available 11684 */ 11685 rval = -1; 11686 goto fail; 11687 } else { 11688 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 11689 sdinfo->satadrv_addr.cport))); 11690 11691 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 11692 DDI_DMA_SYNC_FORKERNEL); 11693 ASSERT(rval == DDI_SUCCESS); 11694 bcopy(scmd->satacmd_bp->b_un.b_addr, 11695 (uint8_t *)ext_selftest_log, 11696 sizeof (struct smart_ext_selftest_log)); 11697 rval = 0; 11698 } 11699 11700 fail: 11701 /* Free allocated resources */ 11702 sata_free_local_buffer(spx); 11703 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; 11704 sata_pkt_free(spx); 11705 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 11706 11707 return (rval); 11708 } 11709 11710 /* 11711 * Returns 0 for success, -1 otherwise 11712 * 11713 * SMART self-test log data is returned in buffer pointed to by selftest_log 11714 */ 11715 static int 11716 sata_smart_selftest_log( 11717 sata_hba_inst_t *sata_hba_inst, 11718 sata_drive_info_t *sdinfo, 11719 struct smart_selftest_log *selftest_log) 11720 { 11721 sata_pkt_t *spkt; 11722 sata_cmd_t *scmd; 11723 sata_pkt_txlate_t *spx; 11724 int rval; 11725 11726 #if ! defined(lint) 11727 ASSERT(sizeof (struct smart_selftest_log) == 512); 11728 #endif 11729 11730 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 11731 spx->txlt_sata_hba_inst = sata_hba_inst; 11732 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 11733 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 11734 if (spkt == NULL) { 11735 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 11736 return (-1); 11737 } 11738 /* address is needed now */ 11739 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 11740 11741 11742 /* Fill sata_pkt */ 11743 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 11744 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 11745 /* Synchronous mode, no callback */ 11746 spkt->satapkt_comp = NULL; 11747 /* Timeout 30s */ 11748 spkt->satapkt_time = sata_default_pkt_time; 11749 11750 scmd = &spkt->satapkt_cmd; 11751 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 11752 11753 /* 11754 * Allocate buffer for SMART SELFTEST LOG 11755 */ 11756 scmd->satacmd_bp = sata_alloc_local_buffer(spx, 11757 sizeof (struct smart_selftest_log)); 11758 if (scmd->satacmd_bp == NULL) { 11759 sata_pkt_free(spx); 11760 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 11761 SATA_LOG_D((sata_hba_inst, CE_WARN, 11762 "sata_smart_selftest_log: " 11763 "cannot allocate buffer")); 11764 return (-1); 11765 } 11766 11767 /* Build SMART_READ_LOG cmd in the sata_pkt */ 11768 scmd->satacmd_addr_type = 0; /* N/A */ 11769 scmd->satacmd_sec_count_lsb = 1; /* One sector of SMART log */ 11770 scmd->satacmd_lba_low_lsb = SMART_SELFTEST_LOG_PAGE; 11771 scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; 11772 scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; 11773 scmd->satacmd_features_reg = SATA_SMART_READ_LOG; 11774 scmd->satacmd_device_reg = 0; /* Always device 0 */ 11775 scmd->satacmd_cmd_reg = SATAC_SMART; 11776 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 11777 sdinfo->satadrv_addr.cport))); 11778 11779 /* Send pkt to SATA HBA driver */ 11780 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 11781 SATA_TRAN_ACCEPTED || 11782 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 11783 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 11784 sdinfo->satadrv_addr.cport))); 11785 /* 11786 * Whoops, no SMART DATA available 11787 */ 11788 rval = -1; 11789 goto fail; 11790 } else { 11791 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 11792 sdinfo->satadrv_addr.cport))); 11793 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 11794 DDI_DMA_SYNC_FORKERNEL); 11795 ASSERT(rval == DDI_SUCCESS); 11796 bcopy(scmd->satacmd_bp->b_un.b_addr, (uint8_t *)selftest_log, 11797 sizeof (struct smart_selftest_log)); 11798 rval = 0; 11799 } 11800 11801 fail: 11802 /* Free allocated resources */ 11803 sata_free_local_buffer(spx); 11804 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; 11805 sata_pkt_free(spx); 11806 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 11807 11808 return (rval); 11809 } 11810 11811 11812 /* 11813 * Returns 0 for success, -1 otherwise 11814 * 11815 * SMART READ LOG data is returned in buffer pointed to by smart_log 11816 */ 11817 static int 11818 sata_smart_read_log( 11819 sata_hba_inst_t *sata_hba_inst, 11820 sata_drive_info_t *sdinfo, 11821 uint8_t *smart_log, /* where the data should be returned */ 11822 uint8_t which_log, /* which log should be returned */ 11823 uint8_t log_size) /* # of 512 bytes in log */ 11824 { 11825 sata_pkt_t *spkt; 11826 sata_cmd_t *scmd; 11827 sata_pkt_txlate_t *spx; 11828 int rval; 11829 11830 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 11831 spx->txlt_sata_hba_inst = sata_hba_inst; 11832 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 11833 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 11834 if (spkt == NULL) { 11835 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 11836 return (-1); 11837 } 11838 /* address is needed now */ 11839 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 11840 11841 11842 /* Fill sata_pkt */ 11843 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 11844 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 11845 /* Synchronous mode, no callback */ 11846 spkt->satapkt_comp = NULL; 11847 /* Timeout 30s */ 11848 spkt->satapkt_time = sata_default_pkt_time; 11849 11850 scmd = &spkt->satapkt_cmd; 11851 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 11852 11853 /* 11854 * Allocate buffer for SMART READ LOG 11855 */ 11856 scmd->satacmd_bp = sata_alloc_local_buffer(spx, log_size * 512); 11857 if (scmd->satacmd_bp == NULL) { 11858 sata_pkt_free(spx); 11859 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 11860 SATA_LOG_D((sata_hba_inst, CE_WARN, 11861 "sata_smart_read_log: " "cannot allocate buffer")); 11862 return (-1); 11863 } 11864 11865 /* Build SMART_READ_LOG cmd in the sata_pkt */ 11866 scmd->satacmd_addr_type = 0; /* N/A */ 11867 scmd->satacmd_sec_count_lsb = log_size; /* what the caller asked for */ 11868 scmd->satacmd_lba_low_lsb = which_log; /* which log page */ 11869 scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; 11870 scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; 11871 scmd->satacmd_features_reg = SATA_SMART_READ_LOG; 11872 scmd->satacmd_device_reg = 0; /* Always device 0 */ 11873 scmd->satacmd_cmd_reg = SATAC_SMART; 11874 11875 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 11876 sdinfo->satadrv_addr.cport))); 11877 11878 /* Send pkt to SATA HBA driver */ 11879 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 11880 SATA_TRAN_ACCEPTED || 11881 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 11882 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 11883 sdinfo->satadrv_addr.cport))); 11884 11885 /* 11886 * Whoops, no SMART DATA available 11887 */ 11888 rval = -1; 11889 goto fail; 11890 } else { 11891 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 11892 sdinfo->satadrv_addr.cport))); 11893 11894 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 11895 DDI_DMA_SYNC_FORKERNEL); 11896 ASSERT(rval == DDI_SUCCESS); 11897 bcopy(scmd->satacmd_bp->b_un.b_addr, smart_log, log_size * 512); 11898 rval = 0; 11899 } 11900 11901 fail: 11902 /* Free allocated resources */ 11903 sata_free_local_buffer(spx); 11904 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; 11905 sata_pkt_free(spx); 11906 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 11907 11908 return (rval); 11909 } 11910 11911 /* 11912 * Used by LOG SENSE page 0x10 11913 * 11914 * return 0 for success, -1 otherwise 11915 * 11916 */ 11917 static int 11918 sata_read_log_ext_directory( 11919 sata_hba_inst_t *sata_hba_inst, 11920 sata_drive_info_t *sdinfo, 11921 struct read_log_ext_directory *logdir) 11922 { 11923 sata_pkt_txlate_t *spx; 11924 sata_pkt_t *spkt; 11925 sata_cmd_t *scmd; 11926 int rval; 11927 11928 #if ! defined(lint) 11929 ASSERT(sizeof (struct read_log_ext_directory) == 512); 11930 #endif 11931 11932 spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); 11933 spx->txlt_sata_hba_inst = sata_hba_inst; 11934 spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ 11935 spkt = sata_pkt_alloc(spx, SLEEP_FUNC); 11936 if (spkt == NULL) { 11937 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 11938 return (-1); 11939 } 11940 11941 /* Fill sata_pkt */ 11942 spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; 11943 spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; 11944 /* Synchronous mode, no callback */ 11945 spkt->satapkt_comp = NULL; 11946 /* Timeout 30s */ 11947 spkt->satapkt_time = sata_default_pkt_time; 11948 11949 scmd = &spkt->satapkt_cmd; 11950 scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; 11951 11952 /* 11953 * Allocate buffer for SMART READ LOG EXTENDED command 11954 */ 11955 scmd->satacmd_bp = sata_alloc_local_buffer(spx, 11956 sizeof (struct read_log_ext_directory)); 11957 if (scmd->satacmd_bp == NULL) { 11958 sata_pkt_free(spx); 11959 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 11960 SATA_LOG_D((sata_hba_inst, CE_WARN, 11961 "sata_read_log_ext_directory: " 11962 "cannot allocate buffer")); 11963 return (-1); 11964 } 11965 11966 /* Build READ LOG EXT w/ log directory cmd in the sata_pkt */ 11967 scmd->satacmd_addr_type = ATA_ADDR_LBA48; 11968 scmd->satacmd_sec_count_lsb = 1; /* One sector of directory */ 11969 scmd->satacmd_sec_count_msb = 0; /* One sector of directory */ 11970 scmd->satacmd_lba_low_lsb = READ_LOG_EXT_LOG_DIRECTORY; 11971 scmd->satacmd_lba_low_msb = 0; 11972 scmd->satacmd_lba_mid_lsb = 0; 11973 scmd->satacmd_lba_mid_msb = 0; 11974 scmd->satacmd_device_reg = 0; /* Always device 0 */ 11975 scmd->satacmd_cmd_reg = SATAC_READ_LOG_EXT; 11976 11977 mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, 11978 sdinfo->satadrv_addr.cport))); 11979 11980 /* Send pkt to SATA HBA driver */ 11981 if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != 11982 SATA_TRAN_ACCEPTED || 11983 spkt->satapkt_reason != SATA_PKT_COMPLETED) { 11984 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 11985 sdinfo->satadrv_addr.cport))); 11986 /* 11987 * Whoops, no SMART selftest log info available 11988 */ 11989 rval = -1; 11990 goto fail; 11991 } else { 11992 mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, 11993 sdinfo->satadrv_addr.cport))); 11994 rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, 11995 DDI_DMA_SYNC_FORKERNEL); 11996 ASSERT(rval == DDI_SUCCESS); 11997 bcopy(scmd->satacmd_bp->b_un.b_addr, (uint8_t *)logdir, 11998 sizeof (struct read_log_ext_directory)); 11999 rval = 0; 12000 } 12001 12002 fail: 12003 /* Free allocated resources */ 12004 sata_free_local_buffer(spx); 12005 spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; 12006 sata_pkt_free(spx); 12007 kmem_free(spx, sizeof (sata_pkt_txlate_t)); 12008 12009 return (rval); 12010 } 12011 12012 static void 12013 sata_gen_sysevent(sata_hba_inst_t *sata_hba_inst, sata_address_t *saddr, 12014 int hint) 12015 { 12016 char ap[MAXPATHLEN]; 12017 nvlist_t *ev_attr_list = NULL; 12018 int err; 12019 12020 /* Allocate and build sysevent attribute list */ 12021 err = nvlist_alloc(&ev_attr_list, NV_UNIQUE_NAME_TYPE, DDI_NOSLEEP); 12022 if (err != 0) { 12023 SATA_LOG_D((sata_hba_inst, CE_WARN, 12024 "sata_gen_sysevent: " 12025 "cannot allocate memory for sysevent attributes\n")); 12026 return; 12027 } 12028 /* Add hint attribute */ 12029 err = nvlist_add_string(ev_attr_list, DR_HINT, SE_HINT2STR(hint)); 12030 if (err != 0) { 12031 SATA_LOG_D((sata_hba_inst, CE_WARN, 12032 "sata_gen_sysevent: " 12033 "failed to add DR_HINT attr for sysevent")); 12034 nvlist_free(ev_attr_list); 12035 return; 12036 } 12037 /* 12038 * Add AP attribute. 12039 * Get controller pathname and convert it into AP pathname by adding 12040 * a target number. 12041 */ 12042 (void) snprintf(ap, MAXPATHLEN, "/devices"); 12043 (void) ddi_pathname(SATA_DIP(sata_hba_inst), ap + strlen(ap)); 12044 (void) snprintf(ap + strlen(ap), MAXPATHLEN - strlen(ap), ":%d", 12045 SATA_MAKE_AP_NUMBER(saddr->cport, saddr->pmport, saddr->qual)); 12046 12047 err = nvlist_add_string(ev_attr_list, DR_AP_ID, ap); 12048 if (err != 0) { 12049 SATA_LOG_D((sata_hba_inst, CE_WARN, 12050 "sata_gen_sysevent: " 12051 "failed to add DR_AP_ID attr for sysevent")); 12052 nvlist_free(ev_attr_list); 12053 return; 12054 } 12055 12056 /* Generate/log sysevent */ 12057 err = ddi_log_sysevent(SATA_DIP(sata_hba_inst), DDI_VENDOR_SUNW, EC_DR, 12058 ESC_DR_AP_STATE_CHANGE, ev_attr_list, NULL, DDI_NOSLEEP); 12059 if (err != DDI_SUCCESS) { 12060 SATA_LOG_D((sata_hba_inst, CE_WARN, 12061 "sata_gen_sysevent: " 12062 "cannot log sysevent, err code %x\n", err)); 12063 } 12064 12065 nvlist_free(ev_attr_list); 12066 } 12067 12068 /* 12069 * sata_xlate_errors() is used to translate (S)ATA error 12070 * information to SCSI information returned in the SCSI 12071 * packet. 12072 */ 12073 static void 12074 sata_xlate_errors(sata_pkt_txlate_t *spx) 12075 { 12076 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; 12077 struct scsi_extended_sense *sense; 12078 12079 scsipkt->pkt_reason = CMD_INCOMPLETE; 12080 *scsipkt->pkt_scbp = STATUS_CHECK; 12081 sense = sata_arq_sense(spx); 12082 12083 switch (spx->txlt_sata_pkt->satapkt_reason) { 12084 case SATA_PKT_PORT_ERROR: 12085 /* 12086 * We have no device data. Assume no data transfered. 12087 */ 12088 sense->es_key = KEY_HARDWARE_ERROR; 12089 break; 12090 12091 case SATA_PKT_DEV_ERROR: 12092 if (spx->txlt_sata_pkt->satapkt_cmd.satacmd_status_reg & 12093 SATA_STATUS_ERR) { 12094 /* 12095 * determine dev error reason from error 12096 * reg content 12097 */ 12098 sata_decode_device_error(spx, sense); 12099 break; 12100 } 12101 /* No extended sense key - no info available */ 12102 break; 12103 12104 case SATA_PKT_TIMEOUT: 12105 /* 12106 * scsipkt->pkt_reason = CMD_TIMEOUT; This causes problems. 12107 */ 12108 scsipkt->pkt_reason = CMD_INCOMPLETE; 12109 /* No extended sense key */ 12110 break; 12111 12112 case SATA_PKT_ABORTED: 12113 scsipkt->pkt_reason = CMD_ABORTED; 12114 /* No extended sense key */ 12115 break; 12116 12117 case SATA_PKT_RESET: 12118 /* 12119 * pkt aborted either by an explicit reset request from 12120 * a host, or due to error recovery 12121 */ 12122 scsipkt->pkt_reason = CMD_RESET; 12123 break; 12124 12125 default: 12126 scsipkt->pkt_reason = CMD_TRAN_ERR; 12127 break; 12128 } 12129 } 12130