ahci.c revision 10318:811db323512d
1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27/* 28 * AHCI (Advanced Host Controller Interface) SATA HBA Driver 29 * 30 * Power Management Support 31 * ------------------------ 32 * 33 * At the moment, the ahci driver only implements suspend/resume to 34 * support Suspend to RAM on X86 feature. Device power management isn't 35 * implemented, link power management is disabled, and hot plug isn't 36 * allowed during the period from suspend to resume. 37 * 38 * For s/r support, the ahci driver only need to implement DDI_SUSPEND 39 * and DDI_RESUME entries, and don't need to take care of new requests 40 * sent down after suspend because the target driver (sd) has already 41 * handled these conditions, and blocked these requests. For the detailed 42 * information, please check with sdopen, sdclose and sdioctl routines. 43 * 44 */ 45 46#include <sys/note.h> 47#include <sys/scsi/scsi.h> 48#include <sys/pci.h> 49#include <sys/disp.h> 50#include <sys/sata/sata_hba.h> 51#include <sys/sata/adapters/ahci/ahcireg.h> 52#include <sys/sata/adapters/ahci/ahcivar.h> 53 54/* 55 * This is the string displayed by modinfo, etc. 56 * Make sure you keep the version ID up to date! 57 */ 58static char ahci_ident[] = "ahci driver"; 59 60/* 61 * Function prototypes for driver entry points 62 */ 63static int ahci_attach(dev_info_t *, ddi_attach_cmd_t); 64static int ahci_detach(dev_info_t *, ddi_detach_cmd_t); 65static int ahci_getinfo(dev_info_t *, ddi_info_cmd_t, void *, void **); 66static int ahci_quiesce(dev_info_t *); 67 68/* 69 * Function prototypes for SATA Framework interfaces 70 */ 71static int ahci_register_sata_hba_tran(ahci_ctl_t *, uint32_t); 72static int ahci_unregister_sata_hba_tran(ahci_ctl_t *); 73 74static int ahci_tran_probe_port(dev_info_t *, sata_device_t *); 75static int ahci_tran_start(dev_info_t *, sata_pkt_t *spkt); 76static int ahci_tran_abort(dev_info_t *, sata_pkt_t *, int); 77static int ahci_tran_reset_dport(dev_info_t *, sata_device_t *); 78static int ahci_tran_hotplug_port_activate(dev_info_t *, sata_device_t *); 79static int ahci_tran_hotplug_port_deactivate(dev_info_t *, sata_device_t *); 80#if defined(__lock_lint) 81static int ahci_selftest(dev_info_t *, sata_device_t *); 82#endif 83 84/* 85 * Local function prototypes 86 */ 87static int ahci_alloc_ports_state(ahci_ctl_t *); 88static void ahci_dealloc_ports_state(ahci_ctl_t *); 89static int ahci_alloc_port_state(ahci_ctl_t *, uint8_t); 90static void ahci_dealloc_port_state(ahci_ctl_t *, uint8_t); 91static int ahci_alloc_rcvd_fis(ahci_ctl_t *, ahci_port_t *, uint8_t); 92static void ahci_dealloc_rcvd_fis(ahci_port_t *); 93static int ahci_alloc_cmd_list(ahci_ctl_t *, ahci_port_t *, uint8_t); 94static void ahci_dealloc_cmd_list(ahci_ctl_t *, ahci_port_t *); 95static int ahci_alloc_cmd_tables(ahci_ctl_t *, ahci_port_t *); 96static void ahci_dealloc_cmd_tables(ahci_ctl_t *, ahci_port_t *); 97static void ahci_alloc_pmult(ahci_ctl_t *, ahci_port_t *); 98static void ahci_dealloc_pmult(ahci_ctl_t *, ahci_port_t *); 99 100static int ahci_initialize_controller(ahci_ctl_t *); 101static void ahci_uninitialize_controller(ahci_ctl_t *); 102static int ahci_initialize_port(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); 103static int ahci_config_space_init(ahci_ctl_t *); 104 105static void ahci_drain_ports_taskq(ahci_ctl_t *); 106static int ahci_rdwr_pmult(ahci_ctl_t *, ahci_addr_t *, uint8_t, uint32_t *, 107 uint8_t); 108static int ahci_read_pmult(ahci_ctl_t *, ahci_addr_t *, uint8_t, uint32_t *); 109static int ahci_write_pmult(ahci_ctl_t *, ahci_addr_t *, uint8_t, uint32_t); 110static int ahci_update_pmult_pscr(ahci_ctl_t *, ahci_addr_t *, 111 sata_device_t *); 112static int ahci_update_pmult_gscr(ahci_ctl_t *, ahci_addr_t *, 113 sata_device_t *); 114static int ahci_initialize_pmult(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *, 115 sata_device_t *); 116static int ahci_initialize_pmport(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); 117static int ahci_probe_pmult(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); 118static int ahci_probe_pmport(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *, 119 sata_device_t *); 120 121static void ahci_disable_interface_pm(ahci_ctl_t *, uint8_t); 122static int ahci_start_port(ahci_ctl_t *, ahci_port_t *, uint8_t); 123static void ahci_find_dev_signature(ahci_ctl_t *, ahci_port_t *, 124 ahci_addr_t *); 125static void ahci_update_sata_registers(ahci_ctl_t *, uint8_t, sata_device_t *); 126static int ahci_deliver_satapkt(ahci_ctl_t *, ahci_port_t *, 127 ahci_addr_t *, sata_pkt_t *); 128static int ahci_do_sync_start(ahci_ctl_t *, ahci_port_t *, 129 ahci_addr_t *, sata_pkt_t *); 130static int ahci_claim_free_slot(ahci_ctl_t *, ahci_port_t *, 131 ahci_addr_t *, int); 132static void ahci_copy_err_cnxt(sata_cmd_t *, ahci_fis_d2h_register_t *); 133static void ahci_copy_ncq_err_page(sata_cmd_t *, 134 struct sata_ncq_error_recovery_page *); 135static void ahci_copy_out_regs(sata_cmd_t *, ahci_fis_d2h_register_t *); 136 137static int ahci_software_reset(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); 138static int ahci_hba_reset(ahci_ctl_t *); 139static int ahci_port_reset(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); 140static int ahci_pmport_reset(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); 141static void ahci_reject_all_abort_pkts(ahci_ctl_t *, ahci_port_t *, uint8_t); 142static int ahci_reset_device_reject_pkts(ahci_ctl_t *, ahci_port_t *, 143 ahci_addr_t *); 144static int ahci_reset_pmdevice_reject_pkts(ahci_ctl_t *, ahci_port_t *, 145 ahci_addr_t *); 146static int ahci_reset_port_reject_pkts(ahci_ctl_t *, ahci_port_t *, 147 ahci_addr_t *); 148static int ahci_reset_hba_reject_pkts(ahci_ctl_t *); 149static int ahci_put_port_into_notrunning_state(ahci_ctl_t *, ahci_port_t *, 150 uint8_t); 151static int ahci_restart_port_wait_till_ready(ahci_ctl_t *, ahci_port_t *, 152 uint8_t, int, int *); 153static void ahci_mop_commands(ahci_ctl_t *, ahci_port_t *, uint32_t, 154 uint32_t, uint32_t, uint32_t, uint32_t); 155static uint32_t ahci_get_rdlogext_data(ahci_ctl_t *, ahci_port_t *, uint8_t); 156static void ahci_get_rqsense_data(ahci_ctl_t *, ahci_port_t *, 157 uint8_t, sata_pkt_t *); 158static void ahci_fatal_error_recovery_handler(ahci_ctl_t *, ahci_port_t *, 159 ahci_addr_t *, uint32_t); 160static void ahci_pmult_error_recovery_handler(ahci_ctl_t *, ahci_port_t *, 161 uint8_t, uint32_t); 162static void ahci_timeout_pkts(ahci_ctl_t *, ahci_port_t *, 163 uint8_t, uint32_t); 164static void ahci_events_handler(void *); 165static void ahci_watchdog_handler(ahci_ctl_t *); 166 167static uint_t ahci_intr(caddr_t, caddr_t); 168static void ahci_port_intr(ahci_ctl_t *, ahci_port_t *, uint8_t); 169static int ahci_add_intrs(ahci_ctl_t *, int); 170static void ahci_rem_intrs(ahci_ctl_t *); 171static void ahci_enable_all_intrs(ahci_ctl_t *); 172static void ahci_disable_all_intrs(ahci_ctl_t *); 173static void ahci_enable_port_intrs(ahci_ctl_t *, uint8_t); 174static void ahci_disable_port_intrs(ahci_ctl_t *, uint8_t); 175 176static int ahci_intr_cmd_cmplt(ahci_ctl_t *, ahci_port_t *, uint8_t); 177static int ahci_intr_set_device_bits(ahci_ctl_t *, ahci_port_t *, uint8_t); 178static int ahci_intr_ncq_events(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); 179static int ahci_intr_pmult_sntf_events(ahci_ctl_t *, ahci_port_t *, uint8_t); 180static int ahci_intr_port_connect_change(ahci_ctl_t *, ahci_port_t *, uint8_t); 181static int ahci_intr_device_mechanical_presence_status(ahci_ctl_t *, 182 ahci_port_t *, uint8_t); 183static int ahci_intr_phyrdy_change(ahci_ctl_t *, ahci_port_t *, uint8_t); 184static int ahci_intr_non_fatal_error(ahci_ctl_t *, ahci_port_t *, 185 uint8_t, uint32_t); 186static int ahci_intr_fatal_error(ahci_ctl_t *, ahci_port_t *, 187 uint8_t, uint32_t); 188static int ahci_intr_cold_port_detect(ahci_ctl_t *, ahci_port_t *, uint8_t); 189 190static void ahci_get_ahci_addr(ahci_ctl_t *, sata_device_t *, ahci_addr_t *); 191static int ahci_get_num_implemented_ports(uint32_t); 192static void ahci_log_fatal_error_message(ahci_ctl_t *, uint8_t port, 193 uint32_t); 194static void ahci_log_serror_message(ahci_ctl_t *, uint8_t, uint32_t, int); 195#if AHCI_DEBUG 196static void ahci_log(ahci_ctl_t *, uint_t, char *, ...); 197#endif 198 199 200/* 201 * DMA attributes for the data buffer 202 * 203 * dma_attr_addr_hi will be changed to 0xffffffffull if the HBA 204 * does not support 64-bit addressing 205 */ 206static ddi_dma_attr_t buffer_dma_attr = { 207 DMA_ATTR_V0, /* dma_attr_version */ 208 0x0ull, /* dma_attr_addr_lo: lowest bus address */ 209 0xffffffffffffffffull, /* dma_attr_addr_hi: highest bus address */ 210 0x3fffffull, /* dma_attr_count_max i.e. for one cookie */ 211 0x2ull, /* dma_attr_align: word aligned */ 212 1, /* dma_attr_burstsizes */ 213 1, /* dma_attr_minxfer */ 214 0xffffffffull, /* dma_attr_maxxfer i.e. includes all cookies */ 215 0xffffffffull, /* dma_attr_seg */ 216 AHCI_PRDT_NUMBER, /* dma_attr_sgllen */ 217 512, /* dma_attr_granular */ 218 0, /* dma_attr_flags */ 219}; 220 221/* 222 * DMA attributes for the rcvd FIS 223 * 224 * dma_attr_addr_hi will be changed to 0xffffffffull if the HBA 225 * does not support 64-bit addressing 226 */ 227static ddi_dma_attr_t rcvd_fis_dma_attr = { 228 DMA_ATTR_V0, /* dma_attr_version */ 229 0x0ull, /* dma_attr_addr_lo: lowest bus address */ 230 0xffffffffffffffffull, /* dma_attr_addr_hi: highest bus address */ 231 0xffffffffull, /* dma_attr_count_max i.e. for one cookie */ 232 0x100ull, /* dma_attr_align: 256-byte aligned */ 233 1, /* dma_attr_burstsizes */ 234 1, /* dma_attr_minxfer */ 235 0xffffffffull, /* dma_attr_maxxfer i.e. includes all cookies */ 236 0xffffffffull, /* dma_attr_seg */ 237 1, /* dma_attr_sgllen */ 238 1, /* dma_attr_granular */ 239 0, /* dma_attr_flags */ 240}; 241 242/* 243 * DMA attributes for the command list 244 * 245 * dma_attr_addr_hi will be changed to 0xffffffffull if the HBA 246 * does not support 64-bit addressing 247 */ 248static ddi_dma_attr_t cmd_list_dma_attr = { 249 DMA_ATTR_V0, /* dma_attr_version */ 250 0x0ull, /* dma_attr_addr_lo: lowest bus address */ 251 0xffffffffffffffffull, /* dma_attr_addr_hi: highest bus address */ 252 0xffffffffull, /* dma_attr_count_max i.e. for one cookie */ 253 0x400ull, /* dma_attr_align: 1K-byte aligned */ 254 1, /* dma_attr_burstsizes */ 255 1, /* dma_attr_minxfer */ 256 0xffffffffull, /* dma_attr_maxxfer i.e. includes all cookies */ 257 0xffffffffull, /* dma_attr_seg */ 258 1, /* dma_attr_sgllen */ 259 1, /* dma_attr_granular */ 260 0, /* dma_attr_flags */ 261}; 262 263/* 264 * DMA attributes for cmd tables 265 * 266 * dma_attr_addr_hi will be changed to 0xffffffffull if the HBA 267 * does not support 64-bit addressing 268 */ 269static ddi_dma_attr_t cmd_table_dma_attr = { 270 DMA_ATTR_V0, /* dma_attr_version */ 271 0x0ull, /* dma_attr_addr_lo: lowest bus address */ 272 0xffffffffffffffffull, /* dma_attr_addr_hi: highest bus address */ 273 0xffffffffull, /* dma_attr_count_max i.e. for one cookie */ 274 0x80ull, /* dma_attr_align: 128-byte aligned */ 275 1, /* dma_attr_burstsizes */ 276 1, /* dma_attr_minxfer */ 277 0xffffffffull, /* dma_attr_maxxfer i.e. includes all cookies */ 278 0xffffffffull, /* dma_attr_seg */ 279 1, /* dma_attr_sgllen */ 280 1, /* dma_attr_granular */ 281 0, /* dma_attr_flags */ 282}; 283 284 285/* Device access attributes */ 286static ddi_device_acc_attr_t accattr = { 287 DDI_DEVICE_ATTR_V0, 288 DDI_STRUCTURE_LE_ACC, 289 DDI_STRICTORDER_ACC 290}; 291 292 293static struct dev_ops ahcictl_dev_ops = { 294 DEVO_REV, /* devo_rev */ 295 0, /* refcnt */ 296 ahci_getinfo, /* info */ 297 nulldev, /* identify */ 298 nulldev, /* probe */ 299 ahci_attach, /* attach */ 300 ahci_detach, /* detach */ 301 nodev, /* no reset */ 302 (struct cb_ops *)0, /* driver operations */ 303 NULL, /* bus operations */ 304 NULL, /* power */ 305 ahci_quiesce, /* quiesce */ 306}; 307 308static sata_tran_hotplug_ops_t ahci_tran_hotplug_ops = { 309 SATA_TRAN_HOTPLUG_OPS_REV_1, 310 ahci_tran_hotplug_port_activate, 311 ahci_tran_hotplug_port_deactivate 312}; 313 314extern struct mod_ops mod_driverops; 315 316static struct modldrv modldrv = { 317 &mod_driverops, /* driverops */ 318 ahci_ident, /* short description */ 319 &ahcictl_dev_ops, /* driver ops */ 320}; 321 322static struct modlinkage modlinkage = { 323 MODREV_1, 324 &modldrv, 325 NULL 326}; 327 328/* The following variables are watchdog handler related */ 329static int ahci_watchdog_timeout = 5; /* 5 seconds */ 330static int ahci_watchdog_tick; 331 332/* 333 * This static variable indicates the size of command table, 334 * and it's changeable with prdt number, which ahci_dma_prdt_number 335 * indicates. 336 */ 337static size_t ahci_cmd_table_size; 338 339/* 340 * The below global variables are tunable via /etc/system 341 * 342 * ahci_dma_prdt_number 343 * ahci_msi_enabled 344 * ahci_buf_64bit_dma 345 * ahci_commu_64bit_dma 346 */ 347 348/* The number of Physical Region Descriptor Table(PRDT) in Command Table */ 349int ahci_dma_prdt_number = AHCI_PRDT_NUMBER; 350 351/* AHCI MSI is tunable */ 352boolean_t ahci_msi_enabled = B_TRUE; 353 354/* 355 * 64-bit dma addressing for data buffer is tunable 356 * 357 * The variable controls only the below value: 358 * DBAU (upper 32-bits physical address of data block) 359 */ 360boolean_t ahci_buf_64bit_dma = B_TRUE; 361 362/* 363 * 64-bit dma addressing for communication system descriptors is tunable 364 * 365 * The variable controls the below three values: 366 * 367 * PxCLBU (upper 32-bits for the command list base physical address) 368 * PxFBU (upper 32-bits for the received FIS base physical address) 369 * CTBAU (upper 32-bits of command table base) 370 */ 371boolean_t ahci_commu_64bit_dma = B_TRUE; 372 373/* 374 * End of global tunable variable definition 375 */ 376 377#if AHCI_DEBUG 378uint32_t ahci_debug_flags = 0; 379#else 380uint32_t ahci_debug_flags = (AHCIDBG_ERRS|AHCIDBG_TIMEOUT); 381#endif 382 383 384#if AHCI_DEBUG 385/* The following is needed for ahci_log() */ 386static kmutex_t ahci_log_mutex; 387static char ahci_log_buf[512]; 388#endif 389 390/* Opaque state pointer initialized by ddi_soft_state_init() */ 391static void *ahci_statep = NULL; 392 393/* 394 * ahci module initialization. 395 */ 396int 397_init(void) 398{ 399 int ret; 400 401 ret = ddi_soft_state_init(&ahci_statep, sizeof (ahci_ctl_t), 0); 402 if (ret != 0) { 403 goto err_out; 404 } 405 406#if AHCI_DEBUG 407 mutex_init(&ahci_log_mutex, NULL, MUTEX_DRIVER, NULL); 408#endif 409 410 if ((ret = sata_hba_init(&modlinkage)) != 0) { 411#if AHCI_DEBUG 412 mutex_destroy(&ahci_log_mutex); 413#endif 414 ddi_soft_state_fini(&ahci_statep); 415 goto err_out; 416 } 417 418 ret = mod_install(&modlinkage); 419 if (ret != 0) { 420 sata_hba_fini(&modlinkage); 421#if AHCI_DEBUG 422 mutex_destroy(&ahci_log_mutex); 423#endif 424 ddi_soft_state_fini(&ahci_statep); 425 goto err_out; 426 } 427 428 /* watchdog tick */ 429 ahci_watchdog_tick = drv_usectohz( 430 (clock_t)ahci_watchdog_timeout * 1000000); 431 return (ret); 432 433err_out: 434 cmn_err(CE_WARN, "!ahci: Module init failed"); 435 return (ret); 436} 437 438/* 439 * ahci module uninitialize. 440 */ 441int 442_fini(void) 443{ 444 int ret; 445 446 ret = mod_remove(&modlinkage); 447 if (ret != 0) { 448 return (ret); 449 } 450 451 /* Remove the resources allocated in _init(). */ 452 sata_hba_fini(&modlinkage); 453#if AHCI_DEBUG 454 mutex_destroy(&ahci_log_mutex); 455#endif 456 ddi_soft_state_fini(&ahci_statep); 457 458 return (ret); 459} 460 461/* 462 * _info entry point 463 */ 464int 465_info(struct modinfo *modinfop) 466{ 467 return (mod_info(&modlinkage, modinfop)); 468} 469 470/* 471 * The attach entry point for dev_ops. 472 */ 473static int 474ahci_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 475{ 476 ahci_ctl_t *ahci_ctlp = NULL; 477 int instance = ddi_get_instance(dip); 478 int status; 479 int attach_state; 480 uint32_t cap_status, ahci_version; 481 int intr_types; 482 int i; 483 pci_regspec_t *regs; 484 int regs_length; 485 int rnumber; 486#if AHCI_DEBUG 487 int speed; 488#endif 489 490 AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, "ahci_attach enter", 491 NULL); 492 493 switch (cmd) { 494 case DDI_ATTACH: 495 break; 496 497 case DDI_RESUME: 498 499 /* 500 * During DDI_RESUME, the hardware state of the device 501 * (power may have been removed from the device) must be 502 * restored, allow pending requests to continue, and 503 * service new requests. 504 */ 505 ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); 506 mutex_enter(&ahci_ctlp->ahcictl_mutex); 507 508 /* Restart watch thread */ 509 if (ahci_ctlp->ahcictl_timeout_id == 0) 510 ahci_ctlp->ahcictl_timeout_id = timeout( 511 (void (*)(void *))ahci_watchdog_handler, 512 (caddr_t)ahci_ctlp, ahci_watchdog_tick); 513 514 mutex_exit(&ahci_ctlp->ahcictl_mutex); 515 516 /* 517 * Re-initialize the controller and enable the interrupts and 518 * restart all the ports. 519 * 520 * Note that so far we don't support hot-plug during 521 * suspend/resume. 522 */ 523 if (ahci_initialize_controller(ahci_ctlp) != AHCI_SUCCESS) { 524 AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PM, ahci_ctlp, 525 "Failed to initialize the controller " 526 "during DDI_RESUME", NULL); 527 return (DDI_FAILURE); 528 } 529 530 mutex_enter(&ahci_ctlp->ahcictl_mutex); 531 ahci_ctlp->ahcictl_flags &= ~ AHCI_SUSPEND; 532 mutex_exit(&ahci_ctlp->ahcictl_mutex); 533 534 return (DDI_SUCCESS); 535 536 default: 537 return (DDI_FAILURE); 538 } 539 540 attach_state = AHCI_ATTACH_STATE_NONE; 541 542 /* Allocate soft state */ 543 status = ddi_soft_state_zalloc(ahci_statep, instance); 544 if (status != DDI_SUCCESS) { 545 cmn_err(CE_WARN, "!ahci%d: Cannot allocate soft state", 546 instance); 547 goto err_out; 548 } 549 550 ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); 551 ahci_ctlp->ahcictl_flags |= AHCI_ATTACH; 552 ahci_ctlp->ahcictl_dip = dip; 553 554 /* Initialize the cport/port mapping */ 555 for (i = 0; i < AHCI_MAX_PORTS; i++) { 556 ahci_ctlp->ahcictl_port_to_cport[i] = 0xff; 557 ahci_ctlp->ahcictl_cport_to_port[i] = 0xff; 558 } 559 560 attach_state |= AHCI_ATTACH_STATE_STATEP_ALLOC; 561 562 /* 563 * Now map the AHCI base address; which includes global 564 * registers and port control registers 565 * 566 * According to the spec, the AHCI Base Address is BAR5, 567 * but BAR0-BAR4 are optional, so we need to check which 568 * rnumber is used for BAR5. 569 */ 570 571 /* 572 * search through DDI "reg" property for the AHCI register set 573 */ 574 if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, dip, 575 DDI_PROP_DONTPASS, "reg", (int **)®s, 576 (uint_t *)®s_length) != DDI_PROP_SUCCESS) { 577 cmn_err(CE_WARN, "!ahci%d: Cannot lookup reg property", 578 instance); 579 goto err_out; 580 } 581 582 /* AHCI Base Address is located at 0x24 offset */ 583 for (rnumber = 0; rnumber < regs_length; ++rnumber) { 584 if ((regs[rnumber].pci_phys_hi & PCI_REG_REG_M) 585 == AHCI_PCI_RNUM) 586 break; 587 } 588 589 ddi_prop_free(regs); 590 591 if (rnumber == regs_length) { 592 cmn_err(CE_WARN, "!ahci%d: Cannot find AHCI register set", 593 instance); 594 goto err_out; 595 } 596 597 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "rnumber = %d", rnumber); 598 599 status = ddi_regs_map_setup(dip, 600 rnumber, 601 (caddr_t *)&ahci_ctlp->ahcictl_ahci_addr, 602 0, 603 0, 604 &accattr, 605 &ahci_ctlp->ahcictl_ahci_acc_handle); 606 if (status != DDI_SUCCESS) { 607 cmn_err(CE_WARN, "!ahci%d: Cannot map register space", 608 instance); 609 goto err_out; 610 } 611 612 attach_state |= AHCI_ATTACH_STATE_REG_MAP; 613 614 /* Get the AHCI version information */ 615 ahci_version = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 616 (uint32_t *)AHCI_GLOBAL_VS(ahci_ctlp)); 617 618 cmn_err(CE_NOTE, "!ahci%d: hba AHCI version = %x.%x", instance, 619 (ahci_version & 0xffff0000) >> 16, 620 ((ahci_version & 0x0000ff00) >> 4 | 621 (ahci_version & 0x000000ff))); 622 623 /* We don't support controllers whose versions are lower than 1.0 */ 624 if (!(ahci_version & 0xffff0000)) { 625 cmn_err(CE_WARN, "ahci%d: Don't support AHCI HBA with lower " 626 "than version 1.0", instance); 627 goto err_out; 628 } 629 630 /* Get the HBA capabilities information */ 631 cap_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 632 (uint32_t *)AHCI_GLOBAL_CAP(ahci_ctlp)); 633 634 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "hba capabilites = 0x%x", 635 cap_status); 636 637#if AHCI_DEBUG 638 /* Get the interface speed supported by the HBA */ 639 speed = (cap_status & AHCI_HBA_CAP_ISS) >> AHCI_HBA_CAP_ISS_SHIFT; 640 if (speed == 0x01) { 641 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 642 "hba interface speed support: Gen 1 (1.5Gbps)", NULL); 643 } else if (speed == 0x10) { 644 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 645 "hba interface speed support: Gen 2 (3 Gbps)", NULL); 646 } else if (speed == 0x11) { 647 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 648 "hba interface speed support: Gen 3 (6 Gbps)", NULL); 649 } 650#endif 651 652 /* Get the number of command slots supported by the HBA */ 653 ahci_ctlp->ahcictl_num_cmd_slots = 654 ((cap_status & AHCI_HBA_CAP_NCS) >> 655 AHCI_HBA_CAP_NCS_SHIFT) + 1; 656 657 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "hba number of cmd slots: %d", 658 ahci_ctlp->ahcictl_num_cmd_slots); 659 660 /* Get the bit map which indicates ports implemented by the HBA */ 661 ahci_ctlp->ahcictl_ports_implemented = 662 ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 663 (uint32_t *)AHCI_GLOBAL_PI(ahci_ctlp)); 664 665 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "hba implementation of ports: 0x%x", 666 ahci_ctlp->ahcictl_ports_implemented); 667 668 /* 669 * According to the AHCI spec, CAP.NP should indicate the maximum 670 * number of ports supported by the HBA silicon, but we found 671 * this value of ICH8 chipset only indicates the number of ports 672 * implemented (exposed) by it. Therefore, the driver should calculate 673 * the potential maximum value by checking PI register, and use 674 * the maximum of this value and CAP.NP. 675 */ 676 ahci_ctlp->ahcictl_num_ports = max( 677 (cap_status & AHCI_HBA_CAP_NP) + 1, 678 ddi_fls(ahci_ctlp->ahcictl_ports_implemented)); 679 680 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "hba number of ports: %d", 681 ahci_ctlp->ahcictl_num_ports); 682 683 /* Get the number of implemented ports by the HBA */ 684 ahci_ctlp->ahcictl_num_implemented_ports = 685 ahci_get_num_implemented_ports( 686 ahci_ctlp->ahcictl_ports_implemented); 687 688 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 689 "hba number of implemented ports: %d", 690 ahci_ctlp->ahcictl_num_implemented_ports); 691 692 /* Check whether HBA supports 64bit DMA addressing */ 693 if (!(cap_status & AHCI_HBA_CAP_S64A)) { 694 ahci_ctlp->ahcictl_cap |= AHCI_CAP_BUF_32BIT_DMA; 695 ahci_ctlp->ahcictl_cap |= AHCI_CAP_COMMU_32BIT_DMA; 696 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 697 "hba does not support 64-bit addressing", NULL); 698 } 699 700 /* Checking for the support of Port Multiplier */ 701 if (cap_status & AHCI_HBA_CAP_SPM) { 702 ahci_ctlp->ahcictl_cap |= AHCI_CAP_PMULT_CBSS; 703 AHCIDBG(AHCIDBG_INIT|AHCIDBG_PMULT, ahci_ctlp, 704 "hba supports port multiplier (CBSS)", NULL); 705 706 /* Support FIS-based switching ? */ 707 if (cap_status & AHCI_HBA_CAP_FBSS) { 708 ahci_ctlp->ahcictl_cap |= AHCI_CAP_PMULT_FBSS; 709 AHCIDBG(AHCIDBG_INIT|AHCIDBG_PMULT, ahci_ctlp, 710 "hba supports FIS-based switching (FBSS)", NULL); 711 } 712 } 713 714 /* Checking for Support Command List Override */ 715 if (cap_status & AHCI_HBA_CAP_SCLO) { 716 ahci_ctlp->ahcictl_cap |= AHCI_CAP_SCLO; 717 AHCIDBG(AHCIDBG_INIT|AHCIDBG_PMULT, ahci_ctlp, 718 "hba supports command list override.", NULL); 719 } 720 721 /* Checking for Asynchronous Notification */ 722 if (cap_status & AHCI_HBA_CAP_SSNTF) { 723 ahci_ctlp->ahcictl_cap |= AHCI_CAP_SNTF; 724 AHCIDBG(AHCIDBG_INIT|AHCIDBG_PMULT, ahci_ctlp, 725 "hba supports asynchronous notification.", NULL); 726 } 727 728 if (pci_config_setup(dip, &ahci_ctlp->ahcictl_pci_conf_handle) 729 != DDI_SUCCESS) { 730 cmn_err(CE_WARN, "!ahci%d: Cannot set up pci configure space", 731 instance); 732 goto err_out; 733 } 734 735 attach_state |= AHCI_ATTACH_STATE_PCICFG_SETUP; 736 737 /* 738 * Check the pci configuration space, and set caps. We also 739 * handle the hardware defect in this function. 740 * 741 * For example, force ATI SB600 to use 32-bit dma addressing 742 * since it doesn't support 64-bit dma though its CAP register 743 * declares it support. 744 */ 745 if (ahci_config_space_init(ahci_ctlp) == AHCI_FAILURE) { 746 cmn_err(CE_WARN, "!ahci%d: ahci_config_space_init failed", 747 instance); 748 goto err_out; 749 } 750 751 /* 752 * Disable the whole controller interrupts before adding 753 * interrupt handlers(s). 754 */ 755 ahci_disable_all_intrs(ahci_ctlp); 756 757 /* Get supported interrupt types */ 758 if (ddi_intr_get_supported_types(dip, &intr_types) != DDI_SUCCESS) { 759 cmn_err(CE_WARN, "!ahci%d: ddi_intr_get_supported_types failed", 760 instance); 761 goto err_out; 762 } 763 764 AHCIDBG(AHCIDBG_INIT|AHCIDBG_INTR, ahci_ctlp, 765 "ddi_intr_get_supported_types() returned: 0x%x", 766 intr_types); 767 768 if (ahci_msi_enabled && (intr_types & DDI_INTR_TYPE_MSI)) { 769 /* 770 * Try MSI first, but fall back to FIXED if failed 771 */ 772 if (ahci_add_intrs(ahci_ctlp, DDI_INTR_TYPE_MSI) == 773 DDI_SUCCESS) { 774 ahci_ctlp->ahcictl_intr_type = DDI_INTR_TYPE_MSI; 775 AHCIDBG(AHCIDBG_INIT|AHCIDBG_INTR, ahci_ctlp, 776 "Using MSI interrupt type", NULL); 777 goto intr_done; 778 } 779 780 AHCIDBG(AHCIDBG_INIT|AHCIDBG_INTR, ahci_ctlp, 781 "MSI registration failed, " 782 "trying FIXED interrupts", NULL); 783 } 784 785 if (intr_types & DDI_INTR_TYPE_FIXED) { 786 if (ahci_add_intrs(ahci_ctlp, DDI_INTR_TYPE_FIXED) == 787 DDI_SUCCESS) { 788 ahci_ctlp->ahcictl_intr_type = DDI_INTR_TYPE_FIXED; 789 AHCIDBG(AHCIDBG_INIT|AHCIDBG_INTR, ahci_ctlp, 790 "Using FIXED interrupt type", NULL); 791 goto intr_done; 792 } 793 794 AHCIDBG(AHCIDBG_INIT|AHCIDBG_INTR, ahci_ctlp, 795 "FIXED interrupt registration failed", NULL); 796 } 797 798 cmn_err(CE_WARN, "!ahci%d: Interrupt registration failed", instance); 799 800 goto err_out; 801 802intr_done: 803 804 attach_state |= AHCI_ATTACH_STATE_INTR_ADDED; 805 806 /* Initialize the controller mutex */ 807 mutex_init(&ahci_ctlp->ahcictl_mutex, NULL, MUTEX_DRIVER, 808 (void *)(uintptr_t)ahci_ctlp->ahcictl_intr_pri); 809 810 attach_state |= AHCI_ATTACH_STATE_MUTEX_INIT; 811 812 if (ahci_dma_prdt_number < AHCI_MIN_PRDT_NUMBER) { 813 ahci_dma_prdt_number = AHCI_MIN_PRDT_NUMBER; 814 } else if (ahci_dma_prdt_number > AHCI_MAX_PRDT_NUMBER) { 815 ahci_dma_prdt_number = AHCI_MAX_PRDT_NUMBER; 816 } 817 818 ahci_cmd_table_size = (sizeof (ahci_cmd_table_t) + 819 (ahci_dma_prdt_number - AHCI_PRDT_NUMBER) * 820 sizeof (ahci_prdt_item_t)); 821 822 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 823 "ahci_attach: ahci_dma_prdt_number set by user is 0x%x," 824 " ahci_cmd_table_size is 0x%x", 825 ahci_dma_prdt_number, ahci_cmd_table_size); 826 827 if (ahci_dma_prdt_number != AHCI_PRDT_NUMBER) 828 ahci_ctlp->ahcictl_buffer_dma_attr.dma_attr_sgllen = 829 ahci_dma_prdt_number; 830 831 ahci_ctlp->ahcictl_buffer_dma_attr = buffer_dma_attr; 832 ahci_ctlp->ahcictl_rcvd_fis_dma_attr = rcvd_fis_dma_attr; 833 ahci_ctlp->ahcictl_cmd_list_dma_attr = cmd_list_dma_attr; 834 ahci_ctlp->ahcictl_cmd_table_dma_attr = cmd_table_dma_attr; 835 836 if ((ahci_buf_64bit_dma == B_FALSE) || 837 (ahci_ctlp->ahcictl_cap & AHCI_CAP_BUF_32BIT_DMA)) { 838 ahci_ctlp->ahcictl_buffer_dma_attr.dma_attr_addr_hi = 839 0xffffffffull; 840 } 841 842 if ((ahci_commu_64bit_dma == B_FALSE) || 843 (ahci_ctlp->ahcictl_cap & AHCI_CAP_COMMU_32BIT_DMA)) { 844 ahci_ctlp->ahcictl_rcvd_fis_dma_attr.dma_attr_addr_hi = 845 0xffffffffull; 846 ahci_ctlp->ahcictl_cmd_list_dma_attr.dma_attr_addr_hi = 847 0xffffffffull; 848 ahci_ctlp->ahcictl_cmd_table_dma_attr.dma_attr_addr_hi = 849 0xffffffffull; 850 } 851 852 /* Allocate the ports structure */ 853 status = ahci_alloc_ports_state(ahci_ctlp); 854 if (status != AHCI_SUCCESS) { 855 cmn_err(CE_WARN, "!ahci%d: Cannot allocate ports structure", 856 instance); 857 goto err_out; 858 } 859 860 attach_state |= AHCI_ATTACH_STATE_PORT_ALLOC; 861 862 /* 863 * Initialize the controller and ports. 864 */ 865 status = ahci_initialize_controller(ahci_ctlp); 866 if (status != AHCI_SUCCESS) { 867 cmn_err(CE_WARN, "!ahci%d: HBA initialization failed", 868 instance); 869 goto err_out; 870 } 871 872 attach_state |= AHCI_ATTACH_STATE_HW_INIT; 873 874 /* Start one thread to check packet timeouts */ 875 ahci_ctlp->ahcictl_timeout_id = timeout( 876 (void (*)(void *))ahci_watchdog_handler, 877 (caddr_t)ahci_ctlp, ahci_watchdog_tick); 878 879 attach_state |= AHCI_ATTACH_STATE_TIMEOUT_ENABLED; 880 881 if (ahci_register_sata_hba_tran(ahci_ctlp, cap_status)) { 882 cmn_err(CE_WARN, "!ahci%d: sata hba tran registration failed", 883 instance); 884 goto err_out; 885 } 886 887 ahci_ctlp->ahcictl_flags &= ~AHCI_ATTACH; 888 889 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "ahci_attach success!", NULL); 890 891 return (DDI_SUCCESS); 892 893err_out: 894 if (attach_state & AHCI_ATTACH_STATE_TIMEOUT_ENABLED) { 895 mutex_enter(&ahci_ctlp->ahcictl_mutex); 896 (void) untimeout(ahci_ctlp->ahcictl_timeout_id); 897 ahci_ctlp->ahcictl_timeout_id = 0; 898 mutex_exit(&ahci_ctlp->ahcictl_mutex); 899 } 900 901 if (attach_state & AHCI_ATTACH_STATE_HW_INIT) { 902 ahci_uninitialize_controller(ahci_ctlp); 903 } 904 905 if (attach_state & AHCI_ATTACH_STATE_PORT_ALLOC) { 906 ahci_dealloc_ports_state(ahci_ctlp); 907 } 908 909 if (attach_state & AHCI_ATTACH_STATE_MUTEX_INIT) { 910 mutex_destroy(&ahci_ctlp->ahcictl_mutex); 911 } 912 913 if (attach_state & AHCI_ATTACH_STATE_INTR_ADDED) { 914 ahci_rem_intrs(ahci_ctlp); 915 } 916 917 if (attach_state & AHCI_ATTACH_STATE_PCICFG_SETUP) { 918 pci_config_teardown(&ahci_ctlp->ahcictl_pci_conf_handle); 919 } 920 921 if (attach_state & AHCI_ATTACH_STATE_REG_MAP) { 922 ddi_regs_map_free(&ahci_ctlp->ahcictl_ahci_acc_handle); 923 } 924 925 if (attach_state & AHCI_ATTACH_STATE_STATEP_ALLOC) { 926 ddi_soft_state_free(ahci_statep, instance); 927 } 928 929 return (DDI_FAILURE); 930} 931 932/* 933 * The detach entry point for dev_ops. 934 */ 935static int 936ahci_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 937{ 938 ahci_ctl_t *ahci_ctlp; 939 int instance; 940 int ret; 941 942 instance = ddi_get_instance(dip); 943 ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); 944 945 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_detach enter", NULL); 946 947 switch (cmd) { 948 case DDI_DETACH: 949 950 /* disable the interrupts for an uninterrupted detach */ 951 mutex_enter(&ahci_ctlp->ahcictl_mutex); 952 ahci_disable_all_intrs(ahci_ctlp); 953 mutex_exit(&ahci_ctlp->ahcictl_mutex); 954 955 /* unregister from the sata framework. */ 956 ret = ahci_unregister_sata_hba_tran(ahci_ctlp); 957 if (ret != AHCI_SUCCESS) { 958 mutex_enter(&ahci_ctlp->ahcictl_mutex); 959 ahci_enable_all_intrs(ahci_ctlp); 960 mutex_exit(&ahci_ctlp->ahcictl_mutex); 961 return (DDI_FAILURE); 962 } 963 964 mutex_enter(&ahci_ctlp->ahcictl_mutex); 965 966 /* stop the watchdog handler */ 967 (void) untimeout(ahci_ctlp->ahcictl_timeout_id); 968 ahci_ctlp->ahcictl_timeout_id = 0; 969 970 mutex_exit(&ahci_ctlp->ahcictl_mutex); 971 972 /* uninitialize the controller */ 973 ahci_uninitialize_controller(ahci_ctlp); 974 975 /* remove the interrupts */ 976 ahci_rem_intrs(ahci_ctlp); 977 978 /* deallocate the ports structures */ 979 ahci_dealloc_ports_state(ahci_ctlp); 980 981 /* destroy mutex */ 982 mutex_destroy(&ahci_ctlp->ahcictl_mutex); 983 984 /* teardown the pci config */ 985 pci_config_teardown(&ahci_ctlp->ahcictl_pci_conf_handle); 986 987 /* remove the reg maps. */ 988 ddi_regs_map_free(&ahci_ctlp->ahcictl_ahci_acc_handle); 989 990 /* free the soft state. */ 991 ddi_soft_state_free(ahci_statep, instance); 992 993 return (DDI_SUCCESS); 994 995 case DDI_SUSPEND: 996 997 /* 998 * The steps associated with suspension must include putting 999 * the underlying device into a quiescent state so that it 1000 * will not generate interrupts or modify or access memory. 1001 */ 1002 mutex_enter(&ahci_ctlp->ahcictl_mutex); 1003 if (ahci_ctlp->ahcictl_flags & AHCI_SUSPEND) { 1004 mutex_exit(&ahci_ctlp->ahcictl_mutex); 1005 return (DDI_SUCCESS); 1006 } 1007 1008 ahci_ctlp->ahcictl_flags |= AHCI_SUSPEND; 1009 1010 /* stop the watchdog handler */ 1011 if (ahci_ctlp->ahcictl_timeout_id) { 1012 (void) untimeout(ahci_ctlp->ahcictl_timeout_id); 1013 ahci_ctlp->ahcictl_timeout_id = 0; 1014 } 1015 1016 mutex_exit(&ahci_ctlp->ahcictl_mutex); 1017 1018 /* 1019 * drain the taskq 1020 */ 1021 ahci_drain_ports_taskq(ahci_ctlp); 1022 1023 /* 1024 * Disable the interrupts and stop all the ports. 1025 */ 1026 ahci_uninitialize_controller(ahci_ctlp); 1027 1028 return (DDI_SUCCESS); 1029 1030 default: 1031 return (DDI_FAILURE); 1032 } 1033} 1034 1035/* 1036 * The info entry point for dev_ops. 1037 * 1038 */ 1039static int 1040ahci_getinfo(dev_info_t *dip, ddi_info_cmd_t infocmd, 1041 void *arg, void **result) 1042{ 1043#ifndef __lock_lint 1044 _NOTE(ARGUNUSED(dip)) 1045#endif /* __lock_lint */ 1046 1047 ahci_ctl_t *ahci_ctlp; 1048 int instance; 1049 dev_t dev; 1050 1051 dev = (dev_t)arg; 1052 instance = getminor(dev); 1053 1054 switch (infocmd) { 1055 case DDI_INFO_DEVT2DEVINFO: 1056 ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); 1057 if (ahci_ctlp != NULL) { 1058 *result = ahci_ctlp->ahcictl_dip; 1059 return (DDI_SUCCESS); 1060 } else { 1061 *result = NULL; 1062 return (DDI_FAILURE); 1063 } 1064 case DDI_INFO_DEVT2INSTANCE: 1065 *(int *)result = instance; 1066 break; 1067 default: 1068 break; 1069 } 1070 1071 return (DDI_SUCCESS); 1072} 1073 1074/* 1075 * Registers the ahci with sata framework. 1076 */ 1077static int 1078ahci_register_sata_hba_tran(ahci_ctl_t *ahci_ctlp, uint32_t cap_status) 1079{ 1080 struct sata_hba_tran *sata_hba_tran; 1081 1082 AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, 1083 "ahci_register_sata_hba_tran enter", NULL); 1084 1085 mutex_enter(&ahci_ctlp->ahcictl_mutex); 1086 1087 /* Allocate memory for the sata_hba_tran */ 1088 sata_hba_tran = kmem_zalloc(sizeof (sata_hba_tran_t), KM_SLEEP); 1089 1090 sata_hba_tran->sata_tran_hba_rev = SATA_TRAN_HBA_REV_3; 1091 sata_hba_tran->sata_tran_hba_dip = ahci_ctlp->ahcictl_dip; 1092 sata_hba_tran->sata_tran_hba_dma_attr = 1093 &ahci_ctlp->ahcictl_buffer_dma_attr; 1094 1095 /* Report the number of implemented ports */ 1096 sata_hba_tran->sata_tran_hba_num_cports = 1097 ahci_ctlp->ahcictl_num_implemented_ports; 1098 1099 /* Support ATAPI device */ 1100 sata_hba_tran->sata_tran_hba_features_support = SATA_CTLF_ATAPI; 1101 1102 /* Get the data transfer capability for PIO command by the HBA */ 1103 if (cap_status & AHCI_HBA_CAP_PMD) { 1104 ahci_ctlp->ahcictl_cap |= AHCI_CAP_PIO_MDRQ; 1105 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "HBA supports multiple " 1106 "DRQ block data transfer for PIO command protocol", NULL); 1107 } 1108 1109 /* 1110 * According to the AHCI spec, the ATA/ATAPI-7 queued feature set 1111 * is not supported by AHCI (including the READ QUEUED (EXT), WRITE 1112 * QUEUED (EXT), and SERVICE commands). Queued operations are 1113 * supported in AHCI using the READ FPDMA QUEUED and WRITE FPDMA 1114 * QUEUED commands when the HBA and device support native command 1115 * queuing(NCQ). 1116 * 1117 * SATA_CTLF_NCQ will be set to sata_tran_hba_features_support if the 1118 * CAP register of the HBA indicates NCQ is supported. 1119 * 1120 * SATA_CTLF_NCQ cannot be set if AHCI_CAP_NO_MCMDLIST_NONQUEUE is 1121 * set because the previous register content of PxCI can be re-written 1122 * in the register write. 1123 */ 1124 if ((cap_status & AHCI_HBA_CAP_SNCQ) && 1125 !(ahci_ctlp->ahcictl_cap & AHCI_CAP_NO_MCMDLIST_NONQUEUE)) { 1126 sata_hba_tran->sata_tran_hba_features_support |= SATA_CTLF_NCQ; 1127 ahci_ctlp->ahcictl_cap |= AHCI_CAP_NCQ; 1128 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "HBA supports Native " 1129 "Command Queuing", NULL); 1130 } 1131 1132 /* Support port multiplier? */ 1133 if (cap_status & AHCI_HBA_CAP_SPM) { 1134 sata_hba_tran->sata_tran_hba_features_support |= 1135 SATA_CTLF_PORT_MULTIPLIER; 1136 1137 /* Support FIS-based switching for port multiplier? */ 1138 if (cap_status & AHCI_HBA_CAP_FBSS) { 1139 sata_hba_tran->sata_tran_hba_features_support |= 1140 SATA_CTLF_PMULT_FBS; 1141 } 1142 } 1143 1144 /* Report the number of command slots */ 1145 sata_hba_tran->sata_tran_hba_qdepth = ahci_ctlp->ahcictl_num_cmd_slots; 1146 1147 sata_hba_tran->sata_tran_probe_port = ahci_tran_probe_port; 1148 sata_hba_tran->sata_tran_start = ahci_tran_start; 1149 sata_hba_tran->sata_tran_abort = ahci_tran_abort; 1150 sata_hba_tran->sata_tran_reset_dport = ahci_tran_reset_dport; 1151 sata_hba_tran->sata_tran_hotplug_ops = &ahci_tran_hotplug_ops; 1152#ifdef __lock_lint 1153 sata_hba_tran->sata_tran_selftest = ahci_selftest; 1154#endif 1155 /* 1156 * When SATA framework adds support for pwrmgt the 1157 * pwrmgt_ops needs to be updated 1158 */ 1159 sata_hba_tran->sata_tran_pwrmgt_ops = NULL; 1160 sata_hba_tran->sata_tran_ioctl = NULL; 1161 1162 ahci_ctlp->ahcictl_sata_hba_tran = sata_hba_tran; 1163 1164 mutex_exit(&ahci_ctlp->ahcictl_mutex); 1165 1166 /* Attach it to SATA framework */ 1167 if (sata_hba_attach(ahci_ctlp->ahcictl_dip, sata_hba_tran, DDI_ATTACH) 1168 != DDI_SUCCESS) { 1169 kmem_free((void *)sata_hba_tran, sizeof (sata_hba_tran_t)); 1170 mutex_enter(&ahci_ctlp->ahcictl_mutex); 1171 ahci_ctlp->ahcictl_sata_hba_tran = NULL; 1172 mutex_exit(&ahci_ctlp->ahcictl_mutex); 1173 return (AHCI_FAILURE); 1174 } 1175 1176 return (AHCI_SUCCESS); 1177} 1178 1179/* 1180 * Unregisters the ahci with sata framework. 1181 */ 1182static int 1183ahci_unregister_sata_hba_tran(ahci_ctl_t *ahci_ctlp) 1184{ 1185 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 1186 "ahci_unregister_sata_hba_tran enter", NULL); 1187 1188 /* Detach from the SATA framework. */ 1189 if (sata_hba_detach(ahci_ctlp->ahcictl_dip, DDI_DETACH) != 1190 DDI_SUCCESS) { 1191 return (AHCI_FAILURE); 1192 } 1193 1194 /* Deallocate sata_hba_tran. */ 1195 kmem_free((void *)ahci_ctlp->ahcictl_sata_hba_tran, 1196 sizeof (sata_hba_tran_t)); 1197 1198 mutex_enter(&ahci_ctlp->ahcictl_mutex); 1199 ahci_ctlp->ahcictl_sata_hba_tran = NULL; 1200 mutex_exit(&ahci_ctlp->ahcictl_mutex); 1201 1202 return (AHCI_SUCCESS); 1203} 1204 1205#define SET_PORTSTR(str, addrp) \ 1206 if (AHCI_ADDR_IS_PORT(addrp)) \ 1207 (void) sprintf((str), "%d", (addrp)->aa_port); \ 1208 else if (AHCI_ADDR_IS_PMULT(addrp)) \ 1209 (void) sprintf((str), "%d (pmult)", (addrp)->aa_port); \ 1210 else \ 1211 (void) sprintf((str), "%d:%d", (addrp)->aa_port, \ 1212 (addrp)->aa_pmport); 1213 1214/* 1215 * ahci_tran_probe_port is called by SATA framework. It returns port state, 1216 * port status registers and an attached device type via sata_device 1217 * structure. 1218 * 1219 * We return the cached information from a previous hardware probe. The 1220 * actual hardware probing itself was done either from within 1221 * ahci_initialize_controller() during the driver attach or from a phy 1222 * ready change interrupt handler. 1223 */ 1224static int 1225ahci_tran_probe_port(dev_info_t *dip, sata_device_t *sd) 1226{ 1227 ahci_ctl_t *ahci_ctlp; 1228 ahci_port_t *ahci_portp; 1229 ahci_addr_t addr, pmult_addr; 1230 uint8_t cport = sd->satadev_addr.cport; 1231 char portstr[10]; 1232 uint8_t device_type; 1233 uint32_t port_state; 1234 uint8_t port; 1235 int rval = SATA_SUCCESS, rval_init; 1236 1237 ahci_ctlp = ddi_get_soft_state(ahci_statep, ddi_get_instance(dip)); 1238 port = ahci_ctlp->ahcictl_cport_to_port[cport]; 1239 1240 ahci_portp = ahci_ctlp->ahcictl_ports[port]; 1241 1242 mutex_enter(&ahci_portp->ahciport_mutex); 1243 1244 ahci_get_ahci_addr(ahci_ctlp, sd, &addr); 1245 ASSERT(AHCI_ADDR_IS_VALID(&addr)); 1246 SET_PORTSTR(portstr, &addr); 1247 1248 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 1249 "ahci_tran_probe_port enter: port %s", portstr); 1250 1251 if ((AHCI_ADDR_IS_PMULT(&addr) || AHCI_ADDR_IS_PMPORT(&addr)) && 1252 (ahci_portp->ahciport_device_type != SATA_DTYPE_PMULT || 1253 ahci_portp->ahciport_pmult_info == NULL)) { 1254 /* port mutliplier is removed. */ 1255 AHCIDBG(AHCIDBG_PMULT, ahci_ctlp, 1256 "ahci_tran_probe_port: " 1257 "port-pmult is removed from port %s", portstr); 1258 mutex_exit(&ahci_portp->ahciport_mutex); 1259 return (SATA_FAILURE); 1260 } 1261 1262 /* 1263 * The sata_device may refer to 1264 * 1. A controller port. 1265 * A controller port should be ready here. 1266 * 2. A port multiplier. 1267 * If it has not been initialized, initialized it. If it is 1268 * initilaized, we need check the status of all its device ports. 1269 * 3. A port multiplier port. 1270 * If it has not been initialized, initialized it. 1271 * 1272 * A port multiplier or a port multiplier port may require some 1273 * initialization because we cannot do these time-consuming jobs in an 1274 * interrupt context. 1275 */ 1276 if (AHCI_ADDR_IS_PORT(&addr)) { 1277 if (ahci_portp->ahciport_device_type == SATA_DTYPE_PMULT) { 1278 AHCI_ADDR_SET_PMULT(&pmult_addr, port); 1279 port_state = ahci_portp->ahciport_port_state; 1280 /* SATA Framework's first probe? */ 1281 if (!(port_state & SATA_DSTATE_PMULT_INIT)) { 1282 /* Initialize registers on a port multiplier */ 1283 rval_init = ahci_initialize_pmult(ahci_ctlp, 1284 ahci_portp, &pmult_addr, sd); 1285 if (rval_init != AHCI_SUCCESS) { 1286 AHCIDBG(AHCIDBG_PMULT, ahci_ctlp, 1287 "ahci_tran_probe_port: " 1288 "pmult initialization failed.", 1289 NULL); 1290 mutex_exit(&ahci_portp->ahciport_mutex); 1291 return (SATA_FAILURE); 1292 } 1293 } 1294 } 1295 } else if (AHCI_ADDR_IS_PMULT(&addr)) { 1296 /* Check pmports hotplug events */ 1297 (void) ahci_probe_pmult(ahci_ctlp, ahci_portp, &addr); 1298 } else if (AHCI_ADDR_IS_PMPORT(&addr)) { 1299 if (ahci_probe_pmport(ahci_ctlp, ahci_portp, 1300 &addr, sd) != AHCI_SUCCESS) { 1301 rval = SATA_FAILURE; 1302 goto out; 1303 } 1304 } 1305 1306 /* Update port state and device type */ 1307 port_state = AHCIPORT_GET_STATE(ahci_portp, &addr); 1308 1309 switch (port_state) { 1310 1311 case SATA_PSTATE_FAILED: 1312 sd->satadev_state = SATA_PSTATE_FAILED; 1313 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 1314 "ahci_tran_probe_port: port %s PORT FAILED", portstr); 1315 goto out; 1316 1317 case SATA_PSTATE_SHUTDOWN: 1318 sd->satadev_state = SATA_PSTATE_SHUTDOWN; 1319 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 1320 "ahci_tran_probe_port: port %s PORT SHUTDOWN", portstr); 1321 goto out; 1322 1323 case SATA_PSTATE_PWROFF: 1324 sd->satadev_state = SATA_PSTATE_PWROFF; 1325 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 1326 "ahci_tran_probe_port: port %s PORT PWROFF", portstr); 1327 goto out; 1328 1329 case SATA_PSTATE_PWRON: 1330 sd->satadev_state = SATA_PSTATE_PWRON; 1331 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 1332 "ahci_tran_probe_port: port %s PORT PWRON", portstr); 1333 break; 1334 1335 default: 1336 sd->satadev_state = port_state; 1337 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 1338 "ahci_tran_probe_port: port %s PORT NORMAL %x", 1339 portstr, port_state); 1340 break; 1341 } 1342 1343 device_type = AHCIPORT_GET_DEV_TYPE(ahci_portp, &addr); 1344 1345 switch (device_type) { 1346 1347 case SATA_DTYPE_ATADISK: 1348 sd->satadev_type = SATA_DTYPE_ATADISK; 1349 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 1350 "ahci_tran_probe_port: port %s DISK found", portstr); 1351 break; 1352 1353 case SATA_DTYPE_ATAPI: 1354 /* 1355 * HBA driver only knows it's an ATAPI device, and don't know 1356 * it's CD/DVD, tape or ATAPI disk because the ATAPI device 1357 * type need to be determined by checking IDENTIFY PACKET 1358 * DEVICE data 1359 */ 1360 sd->satadev_type = SATA_DTYPE_ATAPI; 1361 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 1362 "ahci_tran_probe_port: port %s ATAPI found", portstr); 1363 break; 1364 1365 case SATA_DTYPE_PMULT: 1366 ASSERT(AHCI_ADDR_IS_PORT(&addr)||AHCI_ADDR_IS_PMULT(&addr)); 1367 sd->satadev_type = SATA_DTYPE_PMULT; 1368 1369 /* Update the number of pmports. */ 1370 ASSERT(ahci_portp->ahciport_pmult_info != NULL); 1371 sd->satadev_add_info = ahci_portp-> 1372 ahciport_pmult_info->ahcipmi_num_dev_ports; 1373 1374 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 1375 "ahci_tran_probe_port: port %s Port Multiplier found", 1376 portstr); 1377 break; 1378 1379 case SATA_DTYPE_UNKNOWN: 1380 sd->satadev_type = SATA_DTYPE_UNKNOWN; 1381 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 1382 "ahci_tran_probe_port: port %s Unknown device found", 1383 portstr); 1384 break; 1385 1386 default: 1387 /* we don't support any other device types */ 1388 sd->satadev_type = SATA_DTYPE_NONE; 1389 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 1390 "ahci_tran_probe_port: port %s No device found", portstr); 1391 break; 1392 } 1393 1394out: 1395 /* Register update only fails while probing a pmult/pmport */ 1396 if (AHCI_ADDR_IS_PORT(&addr)) { 1397 ahci_update_sata_registers(ahci_ctlp, port, sd); 1398 if (ahci_portp->ahciport_device_type == SATA_DTYPE_PMULT) 1399 if (port_state & SATA_STATE_READY) 1400 if (ahci_update_pmult_gscr(ahci_ctlp, 1401 &pmult_addr, sd) != AHCI_SUCCESS) 1402 rval = SATA_FAILURE; 1403 } else if (AHCI_ADDR_IS_PMULT(&addr)) { 1404 ahci_update_sata_registers(ahci_ctlp, port, sd); 1405 if (port_state & SATA_STATE_READY) 1406 if (ahci_update_pmult_gscr(ahci_ctlp, 1407 &addr, sd) != AHCI_SUCCESS) 1408 rval = SATA_FAILURE; 1409 } else if (AHCI_ADDR_IS_PMPORT(&addr)) { 1410 if (port_state & SATA_STATE_READY) 1411 if (ahci_update_pmult_pscr(ahci_ctlp, 1412 &addr, sd) != AHCI_SUCCESS) 1413 rval = SATA_FAILURE; 1414 } 1415 1416 mutex_exit(&ahci_portp->ahciport_mutex); 1417 return (rval); 1418} 1419 1420/* 1421 * There are four operation modes in sata framework: 1422 * SATA_OPMODE_INTERRUPTS 1423 * SATA_OPMODE_POLLING 1424 * SATA_OPMODE_ASYNCH 1425 * SATA_OPMODE_SYNCH 1426 * 1427 * Their combined meanings as following: 1428 * 1429 * SATA_OPMODE_SYNCH 1430 * The command has to be completed before sata_tran_start functions returns. 1431 * Either interrupts or polling could be used - it's up to the driver. 1432 * Mode used currently for internal, sata-module initiated operations. 1433 * 1434 * SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS 1435 * It is the same as the one above. 1436 * 1437 * SATA_OPMODE_SYNCH | SATA_OPMODE_POLLING 1438 * The command has to be completed before sata_tran_start function returns. 1439 * No interrupt used, polling only. This should be the mode used for scsi 1440 * packets with FLAG_NOINTR. 1441 * 1442 * SATA_OPMODE_ASYNCH | SATA_OPMODE_INTERRUPTS 1443 * The command may be queued (callback function specified). Interrupts could 1444 * be used. It's normal operation mode. 1445 */ 1446/* 1447 * Called by sata framework to transport a sata packet down stream. 1448 */ 1449static int 1450ahci_tran_start(dev_info_t *dip, sata_pkt_t *spkt) 1451{ 1452 ahci_ctl_t *ahci_ctlp; 1453 ahci_port_t *ahci_portp; 1454 ahci_addr_t addr, addr_pmult; 1455 sata_device_t sdevice; 1456 uint8_t cport = spkt->satapkt_device.satadev_addr.cport; 1457 uint8_t port; 1458 char portstr[10]; 1459 1460 ahci_ctlp = ddi_get_soft_state(ahci_statep, ddi_get_instance(dip)); 1461 port = ahci_ctlp->ahcictl_cport_to_port[cport]; 1462 1463 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 1464 "ahci_tran_start enter: cport %d satapkt 0x%p", 1465 cport, (void *)spkt); 1466 1467 ahci_portp = ahci_ctlp->ahcictl_ports[port]; 1468 1469 mutex_enter(&ahci_portp->ahciport_mutex); 1470 ahci_get_ahci_addr(ahci_ctlp, &spkt->satapkt_device, &addr); 1471 SET_PORTSTR(portstr, &addr); 1472 1473 /* Sanity check */ 1474 if (AHCI_ADDR_IS_PMPORT(&addr)) { 1475 if (ahci_portp->ahciport_device_type != SATA_DTYPE_PMULT || 1476 ahci_portp->ahciport_pmult_info == NULL) { 1477 1478 spkt->satapkt_reason = SATA_PKT_PORT_ERROR; 1479 spkt->satapkt_device.satadev_type = SATA_DTYPE_NONE; 1480 spkt->satapkt_device.satadev_state = SATA_STATE_UNKNOWN; 1481 ahci_update_sata_registers(ahci_ctlp, port, 1482 &spkt->satapkt_device); 1483 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 1484 "ahci_tran_start returning PORT_ERROR while " 1485 "pmult removed: port: %s", portstr); 1486 mutex_exit(&ahci_portp->ahciport_mutex); 1487 return (SATA_TRAN_PORT_ERROR); 1488 } 1489 1490 /* Port multiplier and pmport are correctly initialized? */ 1491 if (!(ahci_portp->ahciport_port_state & 1492 SATA_DSTATE_PMULT_INIT)) { 1493 AHCI_ADDR_SET_PMULT(&addr_pmult, port); 1494 if (!ddi_in_panic() || 1495 ahci_initialize_pmult(ahci_ctlp, ahci_portp, 1496 &addr_pmult, &sdevice) != AHCI_SUCCESS) { 1497 spkt->satapkt_reason = SATA_PKT_PORT_ERROR; 1498 spkt->satapkt_device.satadev_type = 1499 AHCIPORT_GET_DEV_TYPE(ahci_portp, &addr); 1500 spkt->satapkt_device.satadev_state = 1501 AHCIPORT_GET_STATE(ahci_portp, &addr); 1502 ahci_update_sata_registers(ahci_ctlp, port, 1503 &spkt->satapkt_device); 1504 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 1505 "ahci_tran_start returning PORT_ERROR " 1506 "while pmult is not initialized " 1507 "at port %d", port); 1508 mutex_exit(&ahci_portp->ahciport_mutex); 1509 return (SATA_TRAN_PORT_ERROR); 1510 } 1511 } 1512 if (!(AHCIPORT_GET_STATE(ahci_portp, &addr) & 1513 SATA_STATE_READY)) { 1514 if (!ddi_in_panic() || 1515 ahci_initialize_pmport(ahci_ctlp, 1516 ahci_portp, &addr) != AHCI_SUCCESS) { 1517 spkt->satapkt_reason = SATA_PKT_PORT_ERROR; 1518 spkt->satapkt_device.satadev_type = 1519 AHCIPORT_GET_DEV_TYPE(ahci_portp, &addr); 1520 spkt->satapkt_device.satadev_state = 1521 AHCIPORT_GET_STATE(ahci_portp, &addr); 1522 ahci_update_sata_registers(ahci_ctlp, port, 1523 &spkt->satapkt_device); 1524 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 1525 "ahci_tran_start returning PORT_ERROR " 1526 "while sub-link is not initialized " 1527 "at port: %s", portstr); 1528 mutex_exit(&ahci_portp->ahciport_mutex); 1529 return (SATA_TRAN_PORT_ERROR); 1530 } 1531 } 1532 } 1533 1534 if (AHCIPORT_GET_STATE(ahci_portp, &addr) & SATA_PSTATE_FAILED || 1535 AHCIPORT_GET_STATE(ahci_portp, &addr) & SATA_PSTATE_SHUTDOWN|| 1536 AHCIPORT_GET_STATE(ahci_portp, &addr) & SATA_PSTATE_PWROFF) { 1537 /* 1538 * In case the target driver would send the packet before 1539 * sata framework can have the opportunity to process those 1540 * event reports. 1541 */ 1542 spkt->satapkt_reason = SATA_PKT_PORT_ERROR; 1543 spkt->satapkt_device.satadev_state = 1544 ahci_portp->ahciport_port_state; 1545 ahci_update_sata_registers(ahci_ctlp, port, 1546 &spkt->satapkt_device); 1547 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 1548 "ahci_tran_start returning PORT_ERROR while " 1549 "port in FAILED/SHUTDOWN/PWROFF state: " 1550 "port: %s", portstr); 1551 mutex_exit(&ahci_portp->ahciport_mutex); 1552 return (SATA_TRAN_PORT_ERROR); 1553 } 1554 1555 if (AHCIPORT_GET_DEV_TYPE(ahci_portp, &addr) == SATA_DTYPE_NONE) { 1556 /* 1557 * ahci_intr_phyrdy_change() may have rendered it to 1558 * SATA_DTYPE_NONE. 1559 */ 1560 spkt->satapkt_reason = SATA_PKT_PORT_ERROR; 1561 spkt->satapkt_device.satadev_type = SATA_DTYPE_NONE; 1562 spkt->satapkt_device.satadev_state = 1563 ahci_portp->ahciport_port_state; 1564 ahci_update_sata_registers(ahci_ctlp, port, 1565 &spkt->satapkt_device); 1566 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 1567 "ahci_tran_start returning PORT_ERROR while " 1568 "no device attached: port: %s", portstr); 1569 mutex_exit(&ahci_portp->ahciport_mutex); 1570 return (SATA_TRAN_PORT_ERROR); 1571 } 1572 1573 /* R/W PMULT command will occupy the whole HBA port */ 1574 if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { 1575 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 1576 "ahci_tran_start returning BUSY while " 1577 "executing READ/WRITE PORT-MULT command: " 1578 "port: %s", portstr); 1579 spkt->satapkt_reason = SATA_PKT_BUSY; 1580 mutex_exit(&ahci_portp->ahciport_mutex); 1581 return (SATA_TRAN_BUSY); 1582 } 1583 1584 if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_HOTPLUG) { 1585 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 1586 "ahci_tran_start returning BUSY while " 1587 "hot-plug in progress: port: %s", portstr); 1588 spkt->satapkt_reason = SATA_PKT_BUSY; 1589 mutex_exit(&ahci_portp->ahciport_mutex); 1590 return (SATA_TRAN_BUSY); 1591 } 1592 1593 /* 1594 * SATA HBA driver should remember that a device was reset and it 1595 * is supposed to reject any packets which do not specify either 1596 * SATA_IGNORE_DEV_RESET_STATE or SATA_CLEAR_DEV_RESET_STATE. 1597 * 1598 * This is to prevent a race condition when a device was arbitrarily 1599 * reset by the HBA driver (and lost it's setting) and a target 1600 * driver sending some commands to a device before the sata framework 1601 * has a chance to restore the device setting (such as cache enable/ 1602 * disable or other resettable stuff). 1603 */ 1604 /* 1605 * It is unnecessary to use specific flags to indicate 1606 * reset_in_progress for a pmport. While mopping, all command will be 1607 * mopped so that the entire HBA port is being dealt as a single 1608 * object. 1609 */ 1610 if (spkt->satapkt_cmd.satacmd_flags.sata_clear_dev_reset) { 1611 ahci_portp->ahciport_reset_in_progress = 0; 1612 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 1613 "ahci_tran_start [CLEAR] the " 1614 "reset_in_progress for port: %d", port); 1615 } 1616 1617 if (ahci_portp->ahciport_reset_in_progress && 1618 ! spkt->satapkt_cmd.satacmd_flags.sata_ignore_dev_reset && 1619 ! ddi_in_panic()) { 1620 spkt->satapkt_reason = SATA_PKT_BUSY; 1621 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 1622 "ahci_tran_start returning BUSY while " 1623 "reset in progress: port: %d", port); 1624 mutex_exit(&ahci_portp->ahciport_mutex); 1625 return (SATA_TRAN_BUSY); 1626 } 1627 1628#ifdef AHCI_DEBUG 1629 if (spkt->satapkt_cmd.satacmd_flags.sata_ignore_dev_reset) { 1630 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 1631 "ahci_tran_start: packet 0x%p [PASSTHRU] at port %d", 1632 spkt, port); 1633 } 1634#endif 1635 1636 if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) { 1637 spkt->satapkt_reason = SATA_PKT_BUSY; 1638 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 1639 "ahci_tran_start returning BUSY while " 1640 "mopping in progress: port: %d", port); 1641 mutex_exit(&ahci_portp->ahciport_mutex); 1642 return (SATA_TRAN_BUSY); 1643 } 1644 1645 if (spkt->satapkt_op_mode & 1646 (SATA_OPMODE_SYNCH | SATA_OPMODE_POLLING)) { 1647 /* 1648 * If a SYNC command to be executed in interrupt context, 1649 * bounce it back to sata module. 1650 */ 1651 if (!(spkt->satapkt_op_mode & SATA_OPMODE_POLLING) && 1652 servicing_interrupt()) { 1653 spkt->satapkt_reason = SATA_PKT_BUSY; 1654 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 1655 "ahci_tran_start returning BUSY while " 1656 "sending SYNC mode under interrupt context: " 1657 "port : %d", port); 1658 mutex_exit(&ahci_portp->ahciport_mutex); 1659 return (SATA_TRAN_BUSY); 1660 } 1661 1662 /* We need to do the sync start now */ 1663 if (ahci_do_sync_start(ahci_ctlp, ahci_portp, &addr, 1664 spkt) == AHCI_FAILURE) { 1665 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_start " 1666 "return QUEUE_FULL: port %d", port); 1667 mutex_exit(&ahci_portp->ahciport_mutex); 1668 return (SATA_TRAN_QUEUE_FULL); 1669 } 1670 } else { 1671 /* Async start, using interrupt */ 1672 if (ahci_deliver_satapkt(ahci_ctlp, ahci_portp, &addr, spkt) 1673 == AHCI_FAILURE) { 1674 spkt->satapkt_reason = SATA_PKT_QUEUE_FULL; 1675 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_start " 1676 "returning QUEUE_FULL: port %d", port); 1677 mutex_exit(&ahci_portp->ahciport_mutex); 1678 return (SATA_TRAN_QUEUE_FULL); 1679 } 1680 } 1681 1682 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_tran_start " 1683 "sata tran accepted: port %s", portstr); 1684 1685 mutex_exit(&ahci_portp->ahciport_mutex); 1686 return (SATA_TRAN_ACCEPTED); 1687} 1688 1689/* 1690 * SATA_OPMODE_SYNCH flag is set 1691 * 1692 * If SATA_OPMODE_POLLING flag is set, then we must poll the command 1693 * without interrupt, otherwise we can still use the interrupt. 1694 * 1695 * WARNING!!! ahciport_mutex should be acquired before the function 1696 * is called. 1697 */ 1698static int 1699ahci_do_sync_start(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 1700 ahci_addr_t *addrp, sata_pkt_t *spkt) 1701{ 1702 int pkt_timeout_ticks; 1703 uint32_t timeout_tags; 1704 int rval; 1705 int instance = ddi_get_instance(ahci_ctlp->ahcictl_dip); 1706 uint8_t port = addrp->aa_port; 1707 1708 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_do_sync_start enter: " 1709 "port %d:%d spkt 0x%p", port, addrp->aa_pmport, spkt); 1710 1711 if (spkt->satapkt_op_mode & SATA_OPMODE_POLLING) { 1712 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_POLLING; 1713 if ((rval = ahci_deliver_satapkt(ahci_ctlp, ahci_portp, 1714 addrp, spkt)) == AHCI_FAILURE) { 1715 ahci_portp->ahciport_flags &= ~ AHCI_PORT_FLAG_POLLING; 1716 return (rval); 1717 } 1718 1719 pkt_timeout_ticks = 1720 drv_usectohz((clock_t)spkt->satapkt_time * 1000000); 1721 1722 while (spkt->satapkt_reason == SATA_PKT_BUSY) { 1723 mutex_exit(&ahci_portp->ahciport_mutex); 1724 1725 /* Simulate the interrupt */ 1726 ahci_port_intr(ahci_ctlp, ahci_portp, port); 1727 1728 drv_usecwait(AHCI_10MS_USECS); 1729 1730 mutex_enter(&ahci_portp->ahciport_mutex); 1731 pkt_timeout_ticks -= AHCI_10MS_TICKS; 1732 if (pkt_timeout_ticks < 0) { 1733 cmn_err(CE_WARN, "!ahci%d: ahci_do_sync_start " 1734 "port %d satapkt 0x%p timed out\n", 1735 instance, port, (void *)spkt); 1736 timeout_tags = (0x1 << rval); 1737 mutex_exit(&ahci_portp->ahciport_mutex); 1738 ahci_timeout_pkts(ahci_ctlp, ahci_portp, 1739 port, timeout_tags); 1740 mutex_enter(&ahci_portp->ahciport_mutex); 1741 } 1742 } 1743 ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_POLLING; 1744 return (AHCI_SUCCESS); 1745 1746 } else { 1747 if ((rval = ahci_deliver_satapkt(ahci_ctlp, ahci_portp, 1748 addrp, spkt)) == AHCI_FAILURE) 1749 return (rval); 1750 1751#if AHCI_DEBUG 1752 /* 1753 * Note that the driver always uses the slot 0 to deliver 1754 * REQUEST SENSE or READ LOG EXT command 1755 */ 1756 if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) 1757 ASSERT(rval == 0); 1758#endif 1759 1760 while (spkt->satapkt_reason == SATA_PKT_BUSY) 1761 cv_wait(&ahci_portp->ahciport_cv, 1762 &ahci_portp->ahciport_mutex); 1763 1764 return (AHCI_SUCCESS); 1765 } 1766} 1767 1768#define SENDUP_PACKET(ahci_portp, satapkt, reason) \ 1769 if (satapkt) { \ 1770 satapkt->satapkt_reason = reason; \ 1771 /* \ 1772 * We set the satapkt_reason in both sync and \ 1773 * non-sync cases. \ 1774 */ \ 1775 } \ 1776 if (satapkt && \ 1777 ! (satapkt->satapkt_op_mode & SATA_OPMODE_SYNCH) && \ 1778 satapkt->satapkt_comp) { \ 1779 mutex_exit(&ahci_portp->ahciport_mutex); \ 1780 (*satapkt->satapkt_comp)(satapkt); \ 1781 mutex_enter(&ahci_portp->ahciport_mutex); \ 1782 } else { \ 1783 if (satapkt && \ 1784 (satapkt->satapkt_op_mode & SATA_OPMODE_SYNCH) && \ 1785 ! (satapkt->satapkt_op_mode & SATA_OPMODE_POLLING)) \ 1786 cv_broadcast(&ahci_portp->ahciport_cv); \ 1787 } 1788 1789/* 1790 * Searches for and claims a free command slot. 1791 * 1792 * Returns value: 1793 * 1794 * AHCI_FAILURE returned only if 1795 * 1. No empty slot left 1796 * 2. Non-queued command requested while queued command(s) is outstanding 1797 * 3. Queued command requested while non-queued command(s) is outstanding 1798 * 4. HBA doesn't support multiple-use of command list while already a 1799 * non-queued command is oustanding 1800 * 5. Queued command requested while some queued command(s) has been 1801 * outstanding on a different port multiplier port. (AHCI spec 1.2, 1802 * 9.1.2) 1803 * 1804 * claimed slot number returned if succeeded 1805 * 1806 * NOTE: it will always return slot 0 for following commands to simplify the 1807 * algorithm. 1808 * 1. REQUEST SENSE or READ LOG EXT command during error recovery process 1809 * 2. READ/WRITE PORTMULT command 1810 * 1811 * WARNING!!! ahciport_mutex should be acquired before the function 1812 * is called. 1813 */ 1814static int 1815ahci_claim_free_slot(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 1816 ahci_addr_t *addrp, int command_type) 1817{ 1818 uint32_t port_cmd_issue; 1819 uint32_t free_slots; 1820 int slot; 1821 1822 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_claim_free_slot enter " 1823 "ahciport_pending_tags = 0x%x " 1824 "ahciport_pending_ncq_tags = 0x%x", 1825 ahci_portp->ahciport_pending_tags, 1826 ahci_portp->ahciport_pending_ncq_tags); 1827 1828 /* 1829 * According to the AHCI spec, system software is responsible to 1830 * ensure that queued and non-queued commands are not mixed in 1831 * the command list. 1832 */ 1833 if (command_type == AHCI_NON_NCQ_CMD) { 1834 /* Non-NCQ command request */ 1835 if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { 1836 AHCIDBG(AHCIDBG_INFO|AHCIDBG_NCQ, ahci_ctlp, 1837 "ahci_claim_free_slot: there is still pending " 1838 "queued command(s) in the command list, " 1839 "so no available slot for the non-queued " 1840 "command", NULL); 1841 return (AHCI_FAILURE); 1842 } 1843 if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { 1844 AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, 1845 "ahci_claim_free_slot: there is still pending " 1846 "read/write port-mult command(s) in command list, " 1847 "so no available slot for the non-queued command", 1848 NULL); 1849 return (AHCI_FAILURE); 1850 } 1851 if ((ahci_ctlp->ahcictl_cap & AHCI_CAP_NO_MCMDLIST_NONQUEUE) && 1852 NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { 1853 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 1854 "ahci_claim_free_slot: HBA cannot support multiple-" 1855 "use of the command list for non-queued commands", 1856 NULL); 1857 return (AHCI_FAILURE); 1858 } 1859 free_slots = (~ahci_portp->ahciport_pending_tags) & 1860 AHCI_SLOT_MASK(ahci_ctlp); 1861 } else if (command_type == AHCI_NCQ_CMD) { 1862 /* NCQ command request */ 1863 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { 1864 AHCIDBG(AHCIDBG_INFO|AHCIDBG_NCQ, ahci_ctlp, 1865 "ahci_claim_free_slot: there is still pending " 1866 "non-queued command(s) in the command list, " 1867 "so no available slot for the queued command", 1868 NULL); 1869 return (AHCI_FAILURE); 1870 } 1871 1872 /* 1873 * NCQ commands cannot be sent to different port multiplier 1874 * ports in Command-Based Switching mode 1875 */ 1876 /* 1877 * NOTE: In Command-Based Switching mode, AHCI controller 1878 * usually reports a 'Handshake Error' when multiple NCQ 1879 * commands are outstanding simultaneously. 1880 */ 1881 if (AHCIPORT_DEV_TYPE(ahci_portp, addrp) == SATA_DTYPE_PMULT) { 1882 ASSERT(ahci_portp->ahciport_pmult_info != NULL); 1883 if (!(ahci_ctlp->ahcictl_cap & AHCI_CAP_PMULT_FBSS) && 1884 NCQ_CMD_IN_PROGRESS(ahci_portp) && 1885 AHCIPORT_NCQ_PMPORT(ahci_portp) != 1886 addrp->aa_pmport) { 1887 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 1888 "ahci_claim_free_slot: there is still " 1889 "pending queued command(s) in the " 1890 "command list for another Port Multiplier " 1891 "port, so no available slot.", NULL); 1892 return (AHCI_FAILURE); 1893 } 1894 } 1895 1896 free_slots = (~ahci_portp->ahciport_pending_ncq_tags) & 1897 AHCI_NCQ_SLOT_MASK(ahci_portp); 1898 } else if (command_type == AHCI_ERR_RETRI_CMD) { 1899 /* Error retrieval command request */ 1900 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 1901 "ahci_claim_free_slot: slot 0 is allocated for REQUEST " 1902 "SENSE or READ LOG EXT command", NULL); 1903 slot = 0; 1904 goto out; 1905 } else if (command_type == AHCI_RDWR_PMULT_CMD) { 1906 /* 1907 * An extra check on PxCI. Sometimes PxCI bits may not be 1908 * cleared during hot-plug or error recovery process. 1909 */ 1910 port_cmd_issue = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 1911 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, addrp->aa_port)); 1912 1913 if (port_cmd_issue != 0) { 1914 AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, 1915 "ahci_claim_free_slot: there is still pending " 1916 "command(s) in command list (0x%x/0x%x, PxCI %x)," 1917 "so no available slot for R/W PMULT command.", 1918 NON_NCQ_CMD_IN_PROGRESS(ahci_portp), 1919 NCQ_CMD_IN_PROGRESS(ahci_portp), 1920 port_cmd_issue); 1921 return (AHCI_FAILURE); 1922 } 1923 1924 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 1925 "ahci_claim_free_slot: slot 0 is allocated for " 1926 "READ/WRITE PORTMULT command", NULL); 1927 slot = 0; 1928 goto out; 1929 } 1930 1931 slot = ddi_ffs(free_slots) - 1; 1932 if (slot == -1) { 1933 AHCIDBG(AHCIDBG_VERBOSE, ahci_ctlp, 1934 "ahci_claim_free_slot: no empty slots", NULL); 1935 return (AHCI_FAILURE); 1936 } 1937 1938 /* 1939 * According to the AHCI spec, to allow a simple mechanism for the 1940 * HBA to map command list slots to queue entries, software must 1941 * match the tag number it uses to the slot it is placing the command 1942 * in. For example, if a queued command is placed in slot 5, the tag 1943 * for that command must be 5. 1944 */ 1945 if (command_type == AHCI_NCQ_CMD) { 1946 ahci_portp->ahciport_pending_ncq_tags |= (0x1 << slot); 1947 if (AHCI_ADDR_IS_PMPORT(addrp)) { 1948 ASSERT(ahci_portp->ahciport_pmult_info != NULL); 1949 AHCIPORT_NCQ_PMPORT(ahci_portp) = addrp->aa_pmport; 1950 } 1951 } 1952 1953 ahci_portp->ahciport_pending_tags |= (0x1 << slot); 1954 1955out: 1956 AHCIDBG(AHCIDBG_VERBOSE, ahci_ctlp, 1957 "ahci_claim_free_slot: found slot: 0x%x", slot); 1958 1959 return (slot); 1960} 1961 1962/* 1963 * Builds the Command Table for the sata packet and delivers it to controller. 1964 * 1965 * Returns: 1966 * slot number if we can obtain a slot successfully 1967 * otherwise, return AHCI_FAILURE 1968 * 1969 * WARNING!!! ahciport_mutex should be acquired before the function is called. 1970 */ 1971static int 1972ahci_deliver_satapkt(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 1973 ahci_addr_t *addrp, sata_pkt_t *spkt) 1974{ 1975 int cmd_slot; 1976 sata_cmd_t *scmd; 1977 ahci_fis_h2d_register_t *h2d_register_fisp; 1978 ahci_cmd_table_t *cmd_table; 1979 ahci_cmd_header_t *cmd_header; 1980 int ncookies; 1981 int i; 1982 int command_type = AHCI_NON_NCQ_CMD; 1983 int ncq_qdepth; 1984 int instance = ddi_get_instance(ahci_ctlp->ahcictl_dip); 1985 uint8_t port, pmport; 1986#if AHCI_DEBUG 1987 uint32_t *ptr; 1988 uint8_t *ptr2; 1989#endif 1990 1991 port = addrp->aa_port; 1992 pmport = addrp->aa_pmport; 1993 1994 spkt->satapkt_reason = SATA_PKT_BUSY; 1995 1996 scmd = &spkt->satapkt_cmd; 1997 1998 /* Check if the command is a NCQ command */ 1999 if (scmd->satacmd_cmd_reg == SATAC_READ_FPDMA_QUEUED || 2000 scmd->satacmd_cmd_reg == SATAC_WRITE_FPDMA_QUEUED) { 2001 command_type = AHCI_NCQ_CMD; 2002 2003 /* 2004 * When NCQ is support, system software must determine the 2005 * maximum tag allowed by the device and the HBA, and it 2006 * must use a value not beyond of the lower bound of the two. 2007 * 2008 * Sata module is going to calculate the qdepth and send 2009 * down to HBA driver via sata_cmd. 2010 */ 2011 ncq_qdepth = scmd->satacmd_flags.sata_max_queue_depth + 1; 2012 2013 /* 2014 * At the moment, the driver doesn't support the dynamic 2015 * setting of the maximum ncq depth, and the value can be 2016 * set either during the attach or after hot-plug insertion. 2017 */ 2018 if (ahci_portp->ahciport_max_ncq_tags == 0) { 2019 ahci_portp->ahciport_max_ncq_tags = ncq_qdepth; 2020 AHCIDBG(AHCIDBG_NCQ, ahci_ctlp, 2021 "ahci_deliver_satapkt: port %d the max tags for " 2022 "NCQ command is %d", port, ncq_qdepth); 2023 } else { 2024 if (ncq_qdepth != ahci_portp->ahciport_max_ncq_tags) { 2025 cmn_err(CE_WARN, "!ahci%d: ahci_deliver_satapkt" 2026 " port %d the max tag for NCQ command is " 2027 "requested to change from %d to %d, at the" 2028 " moment the driver doesn't support the " 2029 "dynamic change so it's going to " 2030 "still use the previous tag value", 2031 instance, port, 2032 ahci_portp->ahciport_max_ncq_tags, 2033 ncq_qdepth); 2034 } 2035 } 2036 } 2037 2038 /* Check if the command is an error retrieval command */ 2039 if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) 2040 command_type = AHCI_ERR_RETRI_CMD; 2041 2042 /* Check if the command is an read/write pmult command */ 2043 if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) 2044 command_type = AHCI_RDWR_PMULT_CMD; 2045 2046 /* Check if there is an empty command slot */ 2047 cmd_slot = ahci_claim_free_slot(ahci_ctlp, ahci_portp, 2048 addrp, command_type); 2049 if (cmd_slot == AHCI_FAILURE) { 2050 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "no free command slot", NULL); 2051 return (AHCI_FAILURE); 2052 } 2053 2054 AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INFO, ahci_ctlp, 2055 "ahci_deliver_satapkt enter: cmd_reg: 0x%x, cmd_slot: 0x%x, " 2056 "port: %d, satapkt: 0x%p", scmd->satacmd_cmd_reg, 2057 cmd_slot, port, (void *)spkt); 2058 2059 cmd_table = ahci_portp->ahciport_cmd_tables[cmd_slot]; 2060 bzero((void *)cmd_table, ahci_cmd_table_size); 2061 2062 /* For data transfer operations, it is the H2D Register FIS */ 2063 h2d_register_fisp = 2064 &(cmd_table->ahcict_command_fis.ahcifc_fis.ahcifc_h2d_register); 2065 2066 SET_FIS_TYPE(h2d_register_fisp, AHCI_H2D_REGISTER_FIS_TYPE); 2067 2068 /* 2069 * PMP field only make sense when target is a port multiplier or a 2070 * device behind a port multiplier. Otherwise should set it to 0. 2071 */ 2072 if (AHCI_ADDR_IS_PMULT(addrp) || AHCI_ADDR_IS_PMPORT(addrp)) 2073 SET_FIS_PMP(h2d_register_fisp, pmport); 2074 2075 SET_FIS_CDMDEVCTL(h2d_register_fisp, 1); 2076 SET_FIS_COMMAND(h2d_register_fisp, scmd->satacmd_cmd_reg); 2077 SET_FIS_FEATURES(h2d_register_fisp, scmd->satacmd_features_reg); 2078 SET_FIS_SECTOR_COUNT(h2d_register_fisp, scmd->satacmd_sec_count_lsb); 2079 2080 switch (scmd->satacmd_addr_type) { 2081 2082 case 0: 2083 /* 2084 * satacmd_addr_type will be 0 for the commands below: 2085 * ATAPI command 2086 * SATAC_IDLE_IM 2087 * SATAC_STANDBY_IM 2088 * SATAC_DOWNLOAD_MICROCODE 2089 * SATAC_FLUSH_CACHE 2090 * SATAC_SET_FEATURES 2091 * SATAC_SMART 2092 * SATAC_ID_PACKET_DEVICE 2093 * SATAC_ID_DEVICE 2094 * SATAC_READ_PORTMULT 2095 * SATAC_WRITE_PORTMULT 2096 */ 2097 /* FALLTHRU */ 2098 2099 case ATA_ADDR_LBA: 2100 /* FALLTHRU */ 2101 2102 case ATA_ADDR_LBA28: 2103 /* LBA[7:0] */ 2104 SET_FIS_SECTOR(h2d_register_fisp, scmd->satacmd_lba_low_lsb); 2105 2106 /* LBA[15:8] */ 2107 SET_FIS_CYL_LOW(h2d_register_fisp, scmd->satacmd_lba_mid_lsb); 2108 2109 /* LBA[23:16] */ 2110 SET_FIS_CYL_HI(h2d_register_fisp, scmd->satacmd_lba_high_lsb); 2111 2112 /* LBA [27:24] (also called dev_head) */ 2113 SET_FIS_DEV_HEAD(h2d_register_fisp, scmd->satacmd_device_reg); 2114 2115 break; 2116 2117 case ATA_ADDR_LBA48: 2118 /* LBA[7:0] */ 2119 SET_FIS_SECTOR(h2d_register_fisp, scmd->satacmd_lba_low_lsb); 2120 2121 /* LBA[15:8] */ 2122 SET_FIS_CYL_LOW(h2d_register_fisp, scmd->satacmd_lba_mid_lsb); 2123 2124 /* LBA[23:16] */ 2125 SET_FIS_CYL_HI(h2d_register_fisp, scmd->satacmd_lba_high_lsb); 2126 2127 /* LBA [31:24] */ 2128 SET_FIS_SECTOR_EXP(h2d_register_fisp, 2129 scmd->satacmd_lba_low_msb); 2130 2131 /* LBA [39:32] */ 2132 SET_FIS_CYL_LOW_EXP(h2d_register_fisp, 2133 scmd->satacmd_lba_mid_msb); 2134 2135 /* LBA [47:40] */ 2136 SET_FIS_CYL_HI_EXP(h2d_register_fisp, 2137 scmd->satacmd_lba_high_msb); 2138 2139 /* Set dev_head */ 2140 SET_FIS_DEV_HEAD(h2d_register_fisp, 2141 scmd->satacmd_device_reg); 2142 2143 /* Set the extended sector count and features */ 2144 SET_FIS_SECTOR_COUNT_EXP(h2d_register_fisp, 2145 scmd->satacmd_sec_count_msb); 2146 SET_FIS_FEATURES_EXP(h2d_register_fisp, 2147 scmd->satacmd_features_reg_ext); 2148 break; 2149 } 2150 2151 /* 2152 * For NCQ command (READ/WRITE FPDMA QUEUED), sector count 7:0 is 2153 * filled into features field, and sector count 8:15 is filled into 2154 * features (exp) field. TAG is filled into sector field. 2155 */ 2156 if (command_type == AHCI_NCQ_CMD) { 2157 SET_FIS_FEATURES(h2d_register_fisp, 2158 scmd->satacmd_sec_count_lsb); 2159 SET_FIS_FEATURES_EXP(h2d_register_fisp, 2160 scmd->satacmd_sec_count_msb); 2161 2162 SET_FIS_SECTOR_COUNT(h2d_register_fisp, 2163 (cmd_slot << SATA_TAG_QUEUING_SHIFT)); 2164 } 2165 2166 ncookies = scmd->satacmd_num_dma_cookies; 2167 AHCIDBG(AHCIDBG_PRDT, ahci_ctlp, 2168 "ncookies = 0x%x, ahci_dma_prdt_number = 0x%x", 2169 ncookies, ahci_dma_prdt_number); 2170 2171 ASSERT(ncookies <= ahci_dma_prdt_number); 2172 ahci_portp->ahciport_prd_bytecounts[cmd_slot] = 0; 2173 2174 /* *** now fill the scatter gather list ******* */ 2175 for (i = 0; i < ncookies; i++) { 2176 cmd_table->ahcict_prdt[i].ahcipi_data_base_addr = 2177 scmd->satacmd_dma_cookie_list[i]._dmu._dmac_la[0]; 2178 cmd_table->ahcict_prdt[i].ahcipi_data_base_addr_upper = 2179 scmd->satacmd_dma_cookie_list[i]._dmu._dmac_la[1]; 2180 cmd_table->ahcict_prdt[i].ahcipi_descr_info = 2181 scmd->satacmd_dma_cookie_list[i].dmac_size - 1; 2182 ahci_portp->ahciport_prd_bytecounts[cmd_slot] += 2183 scmd->satacmd_dma_cookie_list[i].dmac_size; 2184 } 2185 2186 AHCIDBG(AHCIDBG_PRDT, ahci_ctlp, 2187 "ahciport_prd_bytecounts 0x%x for cmd_slot 0x%x", 2188 ahci_portp->ahciport_prd_bytecounts[cmd_slot], cmd_slot); 2189 2190 /* The ACMD field is filled in for ATAPI command */ 2191 if (scmd->satacmd_cmd_reg == SATAC_PACKET) { 2192 bcopy(scmd->satacmd_acdb, cmd_table->ahcict_atapi_cmd, 2193 SATA_ATAPI_MAX_CDB_LEN); 2194 } 2195 2196 /* Set Command Header in Command List */ 2197 cmd_header = &ahci_portp->ahciport_cmd_list[cmd_slot]; 2198 BZERO_DESCR_INFO(cmd_header); 2199 BZERO_PRD_BYTE_COUNT(cmd_header); 2200 2201 /* Set the number of entries in the PRD table */ 2202 SET_PRD_TABLE_LENGTH(cmd_header, ncookies); 2203 2204 /* Set the length of the command in the CFIS area */ 2205 SET_COMMAND_FIS_LENGTH(cmd_header, AHCI_H2D_REGISTER_FIS_LENGTH); 2206 2207 /* 2208 * PMP field only make sense when target is a port multiplier or a 2209 * device behind a port multiplier. Otherwise should set it to 0. 2210 */ 2211 if (AHCI_ADDR_IS_PMULT(addrp) || AHCI_ADDR_IS_PMPORT(addrp)) 2212 SET_PORT_MULTI_PORT(cmd_header, pmport); 2213 2214 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "command data direction is " 2215 "sata_data_direction = 0x%x", 2216 scmd->satacmd_flags.sata_data_direction); 2217 2218 /* Set A bit if it is an ATAPI command */ 2219 if (scmd->satacmd_cmd_reg == SATAC_PACKET) 2220 SET_ATAPI(cmd_header, AHCI_CMDHEAD_ATAPI); 2221 2222 /* Set W bit if data is going to the device */ 2223 if (scmd->satacmd_flags.sata_data_direction == SATA_DIR_WRITE) 2224 SET_WRITE(cmd_header, AHCI_CMDHEAD_DATA_WRITE); 2225 2226 /* 2227 * Set the prefetchable bit - this bit is only valid if the PRDTL 2228 * field is non-zero or the ATAPI 'A' bit is set in the command 2229 * header. This bit cannot be set when using native command 2230 * queuing commands or when using FIS-based switching with a Port 2231 * multiplier. 2232 */ 2233 if (command_type != AHCI_NCQ_CMD) 2234 SET_PREFETCHABLE(cmd_header, AHCI_CMDHEAD_PREFETCHABLE); 2235 2236 /* 2237 * Now remember the sata packet in ahciport_slot_pkts[]. 2238 * Error retrieval command and r/w port multiplier command will 2239 * be stored specifically for each port. 2240 */ 2241 if (!ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) && 2242 !RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) 2243 ahci_portp->ahciport_slot_pkts[cmd_slot] = spkt; 2244 2245 /* 2246 * We are overloading satapkt_hba_driver_private with 2247 * watched_cycle count. 2248 */ 2249 spkt->satapkt_hba_driver_private = (void *)(intptr_t)0; 2250 2251#if AHCI_DEBUG 2252 if (ahci_debug_flags & AHCIDBG_ATACMD && 2253 scmd->satacmd_cmd_reg != SATAC_PACKET || 2254 ahci_debug_flags & AHCIDBG_ATAPICMD && 2255 scmd->satacmd_cmd_reg == SATAC_PACKET) { 2256 2257 /* Dump the command header and table */ 2258 ahci_log(ahci_ctlp, CE_WARN, "\n"); 2259 ahci_log(ahci_ctlp, CE_WARN, "Command header&table for spkt " 2260 "0x%p cmd_reg 0x%x port %d", spkt, 2261 scmd->satacmd_cmd_reg, port); 2262 ptr = (uint32_t *)cmd_header; 2263 ahci_log(ahci_ctlp, CE_WARN, 2264 " Command Header:%8x %8x %8x %8x", 2265 ptr[0], ptr[1], ptr[2], ptr[3]); 2266 2267 /* Dump the H2D register FIS */ 2268 ptr = (uint32_t *)h2d_register_fisp; 2269 ahci_log(ahci_ctlp, CE_WARN, 2270 " Command FIS: %8x %8x %8x %8x", 2271 ptr[0], ptr[1], ptr[2], ptr[3]); 2272 2273 /* Dump the ACMD register FIS */ 2274 ptr2 = (uint8_t *)&(cmd_table->ahcict_atapi_cmd); 2275 for (i = 0; i < SATA_ATAPI_MAX_CDB_LEN/8; i++) 2276 if (ahci_debug_flags & AHCIDBG_ATAPICMD) 2277 ahci_log(ahci_ctlp, CE_WARN, 2278 " ATAPI command: %2x %2x %2x %2x " 2279 "%2x %2x %2x %2x", 2280 ptr2[8 * i], ptr2[8 * i + 1], 2281 ptr2[8 * i + 2], ptr2[8 * i + 3], 2282 ptr2[8 * i + 4], ptr2[8 * i + 5], 2283 ptr2[8 * i + 6], ptr2[8 * i + 7]); 2284 2285 /* Dump the PRDT */ 2286 for (i = 0; i < ncookies; i++) { 2287 ptr = (uint32_t *)&(cmd_table->ahcict_prdt[i]); 2288 ahci_log(ahci_ctlp, CE_WARN, 2289 " Cookie %d: %8x %8x %8x %8x", 2290 i, ptr[0], ptr[1], ptr[2], ptr[3]); 2291 } 2292 } 2293#endif 2294 2295 (void) ddi_dma_sync( 2296 ahci_portp->ahciport_cmd_tables_dma_handle[cmd_slot], 2297 0, 2298 ahci_cmd_table_size, 2299 DDI_DMA_SYNC_FORDEV); 2300 2301 (void) ddi_dma_sync(ahci_portp->ahciport_cmd_list_dma_handle, 2302 cmd_slot * sizeof (ahci_cmd_header_t), 2303 sizeof (ahci_cmd_header_t), 2304 DDI_DMA_SYNC_FORDEV); 2305 2306 /* Set the corresponding bit in the PxSACT.DS for queued command */ 2307 if (command_type == AHCI_NCQ_CMD) { 2308 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 2309 (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port), 2310 (0x1 << cmd_slot)); 2311 } 2312 2313 /* Indicate to the HBA that a command is active. */ 2314 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 2315 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port), 2316 (0x1 << cmd_slot)); 2317 2318 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_deliver_satapkt " 2319 "exit: port %d", port); 2320 2321 return (cmd_slot); 2322} 2323 2324/* 2325 * Called by the sata framework to abort the previously sent packet(s). 2326 * 2327 * Reset device to abort commands. 2328 */ 2329static int 2330ahci_tran_abort(dev_info_t *dip, sata_pkt_t *spkt, int flag) 2331{ 2332 ahci_ctl_t *ahci_ctlp; 2333 ahci_port_t *ahci_portp; 2334 uint32_t slot_status = 0; 2335 uint32_t aborted_tags = 0; 2336 uint32_t finished_tags = 0; 2337 uint8_t cport = spkt->satapkt_device.satadev_addr.cport; 2338 uint8_t port; 2339 int tmp_slot; 2340 int instance = ddi_get_instance(dip); 2341 2342 ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); 2343 port = ahci_ctlp->ahcictl_cport_to_port[cport]; 2344 2345 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 2346 "ahci_tran_abort enter: port %d", port); 2347 2348 ahci_portp = ahci_ctlp->ahcictl_ports[port]; 2349 mutex_enter(&ahci_portp->ahciport_mutex); 2350 2351 /* 2352 * If AHCI_PORT_FLAG_MOPPING flag is set, it means all the pending 2353 * commands are being mopped, therefore there is nothing else to do 2354 */ 2355 if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) { 2356 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 2357 "ahci_tran_abort: port %d is in " 2358 "mopping process, so just return directly ", port); 2359 mutex_exit(&ahci_portp->ahciport_mutex); 2360 return (SATA_SUCCESS); 2361 } 2362 2363 /* 2364 * If AHCI_PORT_FLAG_RDWR_PMULT flag is set, it means a R/W PMULT 2365 * command is being executed so no other commands is outstanding, 2366 * nothing to do. 2367 */ 2368 if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_RDWR_PMULT) { 2369 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 2370 "ahci_tran_abort: port %d is reading/writing " 2371 "port multiplier, so just return directly ", port); 2372 mutex_exit(&ahci_portp->ahciport_mutex); 2373 return (SATA_SUCCESS); 2374 } 2375 2376 if (ahci_portp->ahciport_port_state & SATA_PSTATE_FAILED | 2377 ahci_portp->ahciport_port_state & SATA_PSTATE_SHUTDOWN | 2378 ahci_portp->ahciport_port_state & SATA_PSTATE_PWROFF) { 2379 /* 2380 * In case the targer driver would send the request before 2381 * sata framework can have the opportunity to process those 2382 * event reports. 2383 */ 2384 spkt->satapkt_reason = SATA_PKT_PORT_ERROR; 2385 spkt->satapkt_device.satadev_state = 2386 ahci_portp->ahciport_port_state; 2387 ahci_update_sata_registers(ahci_ctlp, port, 2388 &spkt->satapkt_device); 2389 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 2390 "ahci_tran_abort returning SATA_FAILURE while " 2391 "port in FAILED/SHUTDOWN/PWROFF state: " 2392 "port: %d", port); 2393 mutex_exit(&ahci_portp->ahciport_mutex); 2394 return (SATA_FAILURE); 2395 } 2396 2397 if (ahci_portp->ahciport_device_type == SATA_DTYPE_NONE) { 2398 /* 2399 * ahci_intr_phyrdy_change() may have rendered it to 2400 * AHCI_PORT_TYPE_NODEV. 2401 */ 2402 spkt->satapkt_reason = SATA_PKT_PORT_ERROR; 2403 spkt->satapkt_device.satadev_type = SATA_DTYPE_NONE; 2404 spkt->satapkt_device.satadev_state = 2405 ahci_portp->ahciport_port_state; 2406 ahci_update_sata_registers(ahci_ctlp, port, 2407 &spkt->satapkt_device); 2408 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 2409 "ahci_tran_abort returning SATA_FAILURE while " 2410 "no device attached: port: %d", port); 2411 mutex_exit(&ahci_portp->ahciport_mutex); 2412 return (SATA_FAILURE); 2413 } 2414 2415 if (flag == SATA_ABORT_ALL_PACKETS) { 2416 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) 2417 aborted_tags = ahci_portp->ahciport_pending_tags; 2418 else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) 2419 aborted_tags = ahci_portp->ahciport_pending_ncq_tags; 2420 2421 cmn_err(CE_NOTE, "!ahci%d: ahci port %d abort all packets", 2422 instance, port); 2423 } else { 2424 aborted_tags = 0xffffffff; 2425 /* 2426 * Aborting one specific packet, first search the 2427 * ahciport_slot_pkts[] list for matching spkt. 2428 */ 2429 for (tmp_slot = 0; 2430 tmp_slot < ahci_ctlp->ahcictl_num_cmd_slots; tmp_slot++) { 2431 if (ahci_portp->ahciport_slot_pkts[tmp_slot] == spkt) { 2432 aborted_tags = (0x1 << tmp_slot); 2433 break; 2434 } 2435 } 2436 2437 if (aborted_tags == 0xffffffff) { 2438 /* request packet is not on the pending list */ 2439 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 2440 "Cannot find the aborting pkt 0x%p on the " 2441 "pending list", (void *)spkt); 2442 ahci_update_sata_registers(ahci_ctlp, port, 2443 &spkt->satapkt_device); 2444 mutex_exit(&ahci_portp->ahciport_mutex); 2445 return (SATA_FAILURE); 2446 } 2447 cmn_err(CE_NOTE, "!ahci%d: ahci port %d abort satapkt 0x%p", 2448 instance, port, (void *)spkt); 2449 } 2450 2451 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) 2452 slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 2453 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); 2454 else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) 2455 slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 2456 (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); 2457 2458 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; 2459 ahci_portp->ahciport_mop_in_progress++; 2460 2461 /* 2462 * To abort the packet(s), first we are trying to clear PxCMD.ST 2463 * to stop the port, and if the port can be stopped 2464 * successfully with PxTFD.STS.BSY and PxTFD.STS.DRQ cleared to '0', 2465 * then we just send back the aborted packet(s) with ABORTED flag 2466 * and then restart the port by setting PxCMD.ST and PxCMD.FRE. 2467 * If PxTFD.STS.BSY or PxTFD.STS.DRQ is set to '1', then we 2468 * perform a COMRESET. 2469 */ 2470 (void) ahci_restart_port_wait_till_ready(ahci_ctlp, 2471 ahci_portp, port, NULL, NULL); 2472 2473 /* 2474 * Compute which have finished and which need to be retried. 2475 * 2476 * The finished tags are ahciport_pending_tags/ahciport_pending_ncq_tags 2477 * minus the slot_status. The aborted_tags has to be deducted by 2478 * finished_tags since we can't possibly abort a tag which had finished 2479 * already. 2480 */ 2481 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) 2482 finished_tags = ahci_portp->ahciport_pending_tags & 2483 ~slot_status & AHCI_SLOT_MASK(ahci_ctlp); 2484 else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) 2485 finished_tags = ahci_portp->ahciport_pending_ncq_tags & 2486 ~slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); 2487 2488 aborted_tags &= ~finished_tags; 2489 2490 ahci_mop_commands(ahci_ctlp, 2491 ahci_portp, 2492 slot_status, 2493 0, /* failed tags */ 2494 0, /* timeout tags */ 2495 aborted_tags, 2496 0); /* reset tags */ 2497 2498 ahci_update_sata_registers(ahci_ctlp, port, &spkt->satapkt_device); 2499 mutex_exit(&ahci_portp->ahciport_mutex); 2500 2501 return (SATA_SUCCESS); 2502} 2503 2504/* 2505 * Used to do device reset and reject all the pending packets on a device 2506 * during the reset operation. 2507 * 2508 * NOTE: ONLY called by ahci_tran_reset_dport 2509 * WARNING!!! ahciport_mutex should be acquired before the function is called. 2510 */ 2511static int 2512ahci_reset_device_reject_pkts(ahci_ctl_t *ahci_ctlp, 2513 ahci_port_t *ahci_portp, ahci_addr_t *addrp) 2514{ 2515 uint32_t slot_status = 0; 2516 uint32_t reset_tags = 0; 2517 uint32_t finished_tags = 0; 2518 uint8_t port = addrp->aa_port; 2519 sata_device_t sdevice; 2520 int ret; 2521 2522 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 2523 "ahci_reset_device_reject_pkts on port: %d", port); 2524 2525 /* 2526 * If AHCI_PORT_FLAG_MOPPING flag is set, it means all the pending 2527 * commands are being mopped, therefore there is nothing else to do 2528 */ 2529 if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) { 2530 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 2531 "ahci_reset_device_reject_pkts: port %d is in " 2532 "mopping process, so return directly ", port); 2533 return (SATA_SUCCESS); 2534 } 2535 2536 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { 2537 slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 2538 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); 2539 reset_tags = slot_status & AHCI_SLOT_MASK(ahci_ctlp); 2540 } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { 2541 slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 2542 (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); 2543 reset_tags = slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); 2544 } 2545 2546 if (ahci_software_reset(ahci_ctlp, ahci_portp, addrp) 2547 != AHCI_SUCCESS) { 2548 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 2549 "Try to do a port reset after software " 2550 "reset failed", port); 2551 ret = ahci_port_reset(ahci_ctlp, ahci_portp, addrp); 2552 if (ret != AHCI_SUCCESS) { 2553 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 2554 "ahci_reset_device_reject_pkts: port %d " 2555 "failed", port); 2556 return (SATA_FAILURE); 2557 } 2558 } 2559 /* Set the reset in progress flag */ 2560 ahci_portp->ahciport_reset_in_progress = 1; 2561 2562 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; 2563 ahci_portp->ahciport_mop_in_progress++; 2564 2565 /* Indicate to the framework that a reset has happened */ 2566 bzero((void *)&sdevice, sizeof (sata_device_t)); 2567 sdevice.satadev_addr.cport = ahci_ctlp->ahcictl_port_to_cport[port]; 2568 sdevice.satadev_addr.pmport = 0; 2569 sdevice.satadev_addr.qual = SATA_ADDR_DCPORT; 2570 sdevice.satadev_state = SATA_DSTATE_RESET | 2571 SATA_DSTATE_PWR_ACTIVE; 2572 mutex_exit(&ahci_portp->ahciport_mutex); 2573 sata_hba_event_notify( 2574 ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, 2575 &sdevice, 2576 SATA_EVNT_DEVICE_RESET); 2577 mutex_enter(&ahci_portp->ahciport_mutex); 2578 2579 AHCIDBG(AHCIDBG_EVENT, ahci_ctlp, 2580 "port %d sending event up: SATA_EVNT_DEVICE_RESET", port); 2581 2582 /* Next try to mop the pending commands */ 2583 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) 2584 finished_tags = ahci_portp->ahciport_pending_tags & 2585 ~slot_status & AHCI_SLOT_MASK(ahci_ctlp); 2586 else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) 2587 finished_tags = ahci_portp->ahciport_pending_ncq_tags & 2588 ~slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); 2589 2590 reset_tags &= ~finished_tags; 2591 2592 ahci_mop_commands(ahci_ctlp, 2593 ahci_portp, 2594 slot_status, 2595 0, /* failed tags */ 2596 0, /* timeout tags */ 2597 0, /* aborted tags */ 2598 reset_tags); /* reset tags */ 2599 2600 return (SATA_SUCCESS); 2601} 2602 2603/* 2604 * Used to do device reset and reject all the pending packets on a device 2605 * during the reset operation. 2606 * 2607 * NOTE: ONLY called by ahci_tran_reset_dport 2608 * WARNING!!! ahciport_mutex should be acquired before the function is called. 2609 */ 2610static int 2611ahci_reset_pmdevice_reject_pkts(ahci_ctl_t *ahci_ctlp, 2612 ahci_port_t *ahci_portp, ahci_addr_t *addrp) 2613{ 2614 uint32_t finished_tags = 0, reset_tags = 0, slot_status = 0; 2615 uint8_t port = addrp->aa_port; 2616 uint8_t pmport = addrp->aa_pmport; 2617 sata_device_t sdevice; 2618 2619 AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_PMULT, ahci_ctlp, 2620 "ahci_reset_pmdevice_reject_pkts at port %d:%d", port, pmport); 2621 2622 if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) { 2623 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 2624 "ahci_reset_pmdevice_reject_pkts: port %d is in " 2625 "mopping process, so return directly ", port); 2626 return (SATA_SUCCESS); 2627 } 2628 2629 /* Checking for outstanding commands */ 2630 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { 2631 slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 2632 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); 2633 reset_tags = slot_status & AHCI_SLOT_MASK(ahci_ctlp); 2634 } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { 2635 slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 2636 (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); 2637 reset_tags = slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); 2638 } 2639 2640 /* Issue SOFTWARE reset command. */ 2641 if (ahci_software_reset(ahci_ctlp, ahci_portp, addrp) 2642 != AHCI_SUCCESS) { 2643 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 2644 "Try to do a port reset after software " 2645 "reset failed", port); 2646 return (SATA_FAILURE); 2647 } 2648 2649 /* Set the reset in progress flag */ 2650 ahci_portp->ahciport_reset_in_progress = 1; 2651 2652 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; 2653 ahci_portp->ahciport_mop_in_progress++; 2654 2655 /* Indicate to the framework that a reset has happened */ 2656 bzero((void *)&sdevice, sizeof (sata_device_t)); 2657 sdevice.satadev_addr.cport = ahci_ctlp->ahcictl_port_to_cport[port]; 2658 sdevice.satadev_addr.pmport = pmport; 2659 if (AHCI_ADDR_IS_PMULT(addrp)) 2660 sdevice.satadev_addr.qual = SATA_ADDR_PMULT; 2661 else 2662 sdevice.satadev_addr.qual = SATA_ADDR_DPMPORT; 2663 sdevice.satadev_state = SATA_DSTATE_RESET | 2664 SATA_DSTATE_PWR_ACTIVE; 2665 mutex_exit(&ahci_portp->ahciport_mutex); 2666 sata_hba_event_notify( 2667 ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, 2668 &sdevice, 2669 SATA_EVNT_DEVICE_RESET); 2670 mutex_enter(&ahci_portp->ahciport_mutex); 2671 2672 AHCIDBG(AHCIDBG_EVENT, ahci_ctlp, 2673 "port %d:%d sending event up: SATA_EVNT_DEVICE_RESET", 2674 port, pmport); 2675 2676 /* Next try to mop the pending commands */ 2677 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) 2678 finished_tags = ahci_portp->ahciport_pending_tags & 2679 ~slot_status & AHCI_SLOT_MASK(ahci_ctlp); 2680 else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) 2681 finished_tags = ahci_portp->ahciport_pending_ncq_tags & 2682 ~slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); 2683 reset_tags &= ~finished_tags; 2684 2685 AHCIDBG(AHCIDBG_EVENT|AHCIDBG_PMULT, ahci_ctlp, 2686 "reset_tags = %x, finished_tags = %x, slot_status = %x", 2687 reset_tags, finished_tags, slot_status); 2688 2689 /* 2690 * NOTE: Because PxCI be only erased by unset PxCMD.ST bit, so even we 2691 * try to reset a single device behind a port multiplier will 2692 * terminate all the commands on that HBA port. We need mop these 2693 * commands as well. 2694 */ 2695 ahci_mop_commands(ahci_ctlp, 2696 ahci_portp, 2697 slot_status, 2698 0, /* failed tags */ 2699 0, /* timeout tags */ 2700 0, /* aborted tags */ 2701 reset_tags); /* reset tags */ 2702 2703 return (SATA_SUCCESS); 2704} 2705 2706/* 2707 * Used to do port reset and reject all the pending packets on a port during 2708 * the reset operation. 2709 * 2710 * WARNING!!! ahciport_mutex should be acquired before the function is called. 2711 */ 2712static int 2713ahci_reset_port_reject_pkts(ahci_ctl_t *ahci_ctlp, 2714 ahci_port_t *ahci_portp, ahci_addr_t *addrp) 2715{ 2716 uint32_t slot_status = 0; 2717 uint32_t reset_tags = 0; 2718 uint32_t finished_tags = 0; 2719 uint8_t port = addrp->aa_port; 2720 2721 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 2722 "ahci_reset_port_reject_pkts at port: %d", port); 2723 2724 /* 2725 * If AHCI_PORT_FLAG_MOPPING flag is set, it means all the pending 2726 * commands are being mopped, therefore there is nothing else to do 2727 */ 2728 if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) { 2729 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 2730 "ahci_reset_port_reject_pkts: port %d is in " 2731 "mopping process, so return directly ", port); 2732 return (SATA_SUCCESS); 2733 } 2734 2735 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; 2736 ahci_portp->ahciport_mop_in_progress++; 2737 2738 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { 2739 slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 2740 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); 2741 reset_tags = slot_status & AHCI_SLOT_MASK(ahci_ctlp); 2742 } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { 2743 slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 2744 (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); 2745 reset_tags = slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); 2746 } 2747 2748 if (ahci_restart_port_wait_till_ready(ahci_ctlp, 2749 ahci_portp, port, AHCI_PORT_RESET|AHCI_RESET_NO_EVENTS_UP, 2750 NULL) != AHCI_SUCCESS) { 2751 2752 /* Clear mop flag */ 2753 ahci_portp->ahciport_mop_in_progress--; 2754 if (ahci_portp->ahciport_mop_in_progress == 0) 2755 ahci_portp->ahciport_flags &= 2756 ~AHCI_PORT_FLAG_MOPPING; 2757 return (SATA_FAILURE); 2758 } 2759 2760 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) 2761 finished_tags = ahci_portp->ahciport_pending_tags & 2762 ~slot_status & AHCI_SLOT_MASK(ahci_ctlp); 2763 else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) 2764 finished_tags = ahci_portp->ahciport_pending_ncq_tags & 2765 ~slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); 2766 2767 reset_tags &= ~finished_tags; 2768 2769 ahci_mop_commands(ahci_ctlp, 2770 ahci_portp, 2771 slot_status, 2772 0, /* failed tags */ 2773 0, /* timeout tags */ 2774 0, /* aborted tags */ 2775 reset_tags); /* reset tags */ 2776 2777 return (SATA_SUCCESS); 2778} 2779 2780/* 2781 * Used to do hba reset and reject all the pending packets on all ports 2782 * during the reset operation. 2783 */ 2784static int 2785ahci_reset_hba_reject_pkts(ahci_ctl_t *ahci_ctlp) 2786{ 2787 ahci_port_t *ahci_portp; 2788 uint32_t slot_status[AHCI_MAX_PORTS]; 2789 uint32_t reset_tags[AHCI_MAX_PORTS]; 2790 uint32_t finished_tags[AHCI_MAX_PORTS]; 2791 int port; 2792 int ret = SATA_SUCCESS; 2793 2794 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 2795 "ahci_reset_hba_reject_pkts enter", NULL); 2796 2797 bzero(slot_status, sizeof (slot_status)); 2798 bzero(reset_tags, sizeof (reset_tags)); 2799 bzero(finished_tags, sizeof (finished_tags)); 2800 2801 for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { 2802 if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { 2803 continue; 2804 } 2805 2806 ahci_portp = ahci_ctlp->ahcictl_ports[port]; 2807 2808 mutex_enter(&ahci_portp->ahciport_mutex); 2809 ahci_portp->ahciport_reset_in_progress = 1; 2810 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { 2811 slot_status[port] = ddi_get32( 2812 ahci_ctlp->ahcictl_ahci_acc_handle, 2813 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); 2814 reset_tags[port] = slot_status[port] & 2815 AHCI_SLOT_MASK(ahci_ctlp); 2816 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 2817 "port %d: reset_tags = 0x%x pending_tags = 0x%x", 2818 port, reset_tags[port], 2819 ahci_portp->ahciport_pending_tags); 2820 } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { 2821 slot_status[port] = ddi_get32( 2822 ahci_ctlp->ahcictl_ahci_acc_handle, 2823 (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); 2824 reset_tags[port] = slot_status[port] & 2825 AHCI_NCQ_SLOT_MASK(ahci_portp); 2826 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 2827 "port %d: reset_tags = 0x%x pending_tags = 0x%x", 2828 port, reset_tags[port], 2829 ahci_portp->ahciport_pending_tags); 2830 } 2831 mutex_exit(&ahci_portp->ahciport_mutex); 2832 } 2833 2834 if (ahci_hba_reset(ahci_ctlp) != AHCI_SUCCESS) { 2835 ret = SATA_FAILURE; 2836 } 2837 2838 for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { 2839 if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { 2840 continue; 2841 } 2842 2843 ahci_portp = ahci_ctlp->ahcictl_ports[port]; 2844 2845 mutex_enter(&ahci_portp->ahciport_mutex); 2846 /* 2847 * To prevent recursive enter to ahci_mop_commands, we need 2848 * check AHCI_PORT_FLAG_MOPPING flag. 2849 */ 2850 if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) { 2851 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 2852 "ahci_reset_hba_reject_pkts: port %d is in " 2853 "mopping process, so return directly ", port); 2854 mutex_exit(&ahci_portp->ahciport_mutex); 2855 continue; 2856 } 2857 2858 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; 2859 ahci_portp->ahciport_mop_in_progress++; 2860 2861 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) 2862 finished_tags[port] = 2863 ahci_portp->ahciport_pending_tags & 2864 ~slot_status[port] & AHCI_SLOT_MASK(ahci_ctlp); 2865 else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) 2866 finished_tags[port] = 2867 ahci_portp->ahciport_pending_ncq_tags & 2868 ~slot_status[port] & AHCI_NCQ_SLOT_MASK(ahci_portp); 2869 2870 reset_tags[port] &= ~finished_tags[port]; 2871 2872 ahci_mop_commands(ahci_ctlp, 2873 ahci_portp, 2874 slot_status[port], 2875 0, /* failed tags */ 2876 0, /* timeout tags */ 2877 0, /* aborted tags */ 2878 reset_tags[port]); /* reset tags */ 2879 mutex_exit(&ahci_portp->ahciport_mutex); 2880 } 2881out: 2882 return (ret); 2883} 2884 2885/* 2886 * Called by sata framework to reset a port(s) or device. 2887 */ 2888static int 2889ahci_tran_reset_dport(dev_info_t *dip, sata_device_t *sd) 2890{ 2891 ahci_ctl_t *ahci_ctlp; 2892 ahci_port_t *ahci_portp; 2893 ahci_addr_t addr; 2894 uint8_t cport = sd->satadev_addr.cport; 2895 uint8_t pmport = sd->satadev_addr.pmport; 2896 uint8_t port; 2897 int ret = SATA_SUCCESS; 2898 int instance = ddi_get_instance(dip); 2899 2900 ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); 2901 port = ahci_ctlp->ahcictl_cport_to_port[cport]; 2902 ahci_portp = ahci_ctlp->ahcictl_ports[port]; 2903 2904 ahci_get_ahci_addr(ahci_ctlp, sd, &addr); 2905 2906 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 2907 "ahci_tran_reset_dport enter: cport %d", cport); 2908 2909 switch (sd->satadev_addr.qual) { 2910 case SATA_ADDR_PMPORT: 2911 /* 2912 * If we want to issue a COMRESET on a pmport, we need to 2913 * reject the outstanding commands on that pmport. According 2914 * to AHCI spec, PxCI register could only be cleared by 2915 * clearing PxCMD.ST, which will halt the controller port - as 2916 * well as other pmports. 2917 * 2918 * Therefore we directly reset the controller port for 2919 * simplicity. ahci_tran_probe_port() will handle reset stuff 2920 * like initializing the given pmport. 2921 */ 2922 /* FALLTHRU */ 2923 case SATA_ADDR_CPORT: 2924 /* Port reset */ 2925 ahci_portp = ahci_ctlp->ahcictl_ports[port]; 2926 cmn_err(CE_NOTE, "!ahci%d: ahci_tran_reset_dport " 2927 "port %d reset port", instance, port); 2928 2929 mutex_enter(&ahci_portp->ahciport_mutex); 2930 ret = ahci_reset_port_reject_pkts(ahci_ctlp, ahci_portp, &addr); 2931 mutex_exit(&ahci_portp->ahciport_mutex); 2932 2933 break; 2934 2935 case SATA_ADDR_DPMPORT: 2936 cmn_err(CE_NOTE, "!ahci%d: ahci_tran_reset_dport " 2937 "port %d:%d reset device", instance, port, pmport); 2938 /* FALLTHRU */ 2939 case SATA_ADDR_DCPORT: 2940 /* Device reset */ 2941 if (sd->satadev_addr.qual == SATA_ADDR_DCPORT) 2942 cmn_err(CE_NOTE, "!ahci%d: ahci_tran_reset_dport " 2943 "port %d reset device", instance, port); 2944 2945 mutex_enter(&ahci_portp->ahciport_mutex); 2946 /* 2947 * software reset request must be sent to SATA_PMULT_HOSTPORT 2948 * if target is a port multiplier: 2949 */ 2950 if (sd->satadev_addr.qual == SATA_ADDR_DCPORT && 2951 ahci_portp->ahciport_device_type == SATA_DTYPE_PMULT) 2952 AHCI_ADDR_SET_PMULT(&addr, port); 2953 2954 if (ahci_portp->ahciport_port_state & SATA_PSTATE_FAILED | 2955 ahci_portp->ahciport_port_state & SATA_PSTATE_SHUTDOWN | 2956 ahci_portp->ahciport_port_state & SATA_PSTATE_PWROFF) { 2957 /* 2958 * In case the targer driver would send the request 2959 * before sata framework can have the opportunity to 2960 * process those event reports. 2961 */ 2962 sd->satadev_state = ahci_portp->ahciport_port_state; 2963 ahci_update_sata_registers(ahci_ctlp, port, sd); 2964 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 2965 "ahci_tran_reset_dport returning SATA_FAILURE " 2966 "while port in FAILED/SHUTDOWN/PWROFF state: " 2967 "port: %d", port); 2968 mutex_exit(&ahci_portp->ahciport_mutex); 2969 ret = SATA_FAILURE; 2970 break; 2971 } 2972 2973 if (AHCIPORT_GET_DEV_TYPE(ahci_portp, &addr) == 2974 SATA_DTYPE_NONE) { 2975 /* 2976 * ahci_intr_phyrdy_change() may have rendered it to 2977 * AHCI_PORT_TYPE_NODEV. 2978 */ 2979 sd->satadev_type = SATA_DTYPE_NONE; 2980 sd->satadev_state = AHCIPORT_GET_STATE(ahci_portp, 2981 &addr); 2982 ahci_update_sata_registers(ahci_ctlp, port, sd); 2983 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 2984 "ahci_tran_reset_dport returning SATA_FAILURE " 2985 "while no device attached: port: %d", port); 2986 mutex_exit(&ahci_portp->ahciport_mutex); 2987 ret = SATA_FAILURE; 2988 break; 2989 } 2990 2991 if (AHCI_ADDR_IS_PORT(&addr)) { 2992 ret = ahci_reset_device_reject_pkts(ahci_ctlp, 2993 ahci_portp, &addr); 2994 } else { 2995 ret = ahci_reset_pmdevice_reject_pkts(ahci_ctlp, 2996 ahci_portp, &addr); 2997 } 2998 2999 mutex_exit(&ahci_portp->ahciport_mutex); 3000 break; 3001 3002 case SATA_ADDR_CNTRL: 3003 /* Reset the whole controller */ 3004 cmn_err(CE_NOTE, "!ahci%d: ahci_tran_reset_dport " 3005 "reset the whole hba", instance); 3006 ret = ahci_reset_hba_reject_pkts(ahci_ctlp); 3007 break; 3008 3009 default: 3010 ret = SATA_FAILURE; 3011 } 3012 3013 return (ret); 3014} 3015 3016/* 3017 * Called by sata framework to activate a port as part of hotplug. 3018 * (cfgadm -c connect satax/y) 3019 * Support port multiplier. 3020 */ 3021static int 3022ahci_tran_hotplug_port_activate(dev_info_t *dip, sata_device_t *satadev) 3023{ 3024 ahci_ctl_t *ahci_ctlp; 3025 ahci_port_t *ahci_portp; 3026 ahci_addr_t addr; 3027 uint8_t cport = satadev->satadev_addr.cport; 3028 uint8_t pmport = satadev->satadev_addr.pmport; 3029 uint8_t port; 3030 int instance = ddi_get_instance(dip); 3031 3032 ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); 3033 port = ahci_ctlp->ahcictl_cport_to_port[cport]; 3034 3035 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 3036 "ahci_tran_hotplug_port_activate enter: cport %d", cport); 3037 3038 ahci_portp = ahci_ctlp->ahcictl_ports[port]; 3039 3040 mutex_enter(&ahci_portp->ahciport_mutex); 3041 ahci_get_ahci_addr(ahci_ctlp, satadev, &addr); 3042 ASSERT(AHCI_ADDR_IS_PORT(&addr) || AHCI_ADDR_IS_PMPORT(&addr)); 3043 3044 if (AHCI_ADDR_IS_PORT(&addr)) { 3045 cmn_err(CE_NOTE, "!ahci%d: ahci port %d is activated", 3046 instance, port); 3047 3048 /* Enable the interrupts on the port */ 3049 ahci_enable_port_intrs(ahci_ctlp, port); 3050 3051 /* 3052 * Reset the port so that the PHY communication would be 3053 * re-established. But this reset is an internal operation 3054 * and the sata module doesn't need to know about it. 3055 * Moreover, the port with a device attached will be started 3056 * too. 3057 */ 3058 (void) ahci_restart_port_wait_till_ready(ahci_ctlp, 3059 ahci_portp, port, 3060 AHCI_PORT_RESET|AHCI_RESET_NO_EVENTS_UP, 3061 NULL); 3062 3063 /* 3064 * Need to check the link status and device status of the port 3065 * and consider raising power if the port was in D3 state 3066 */ 3067 ahci_portp->ahciport_port_state |= SATA_PSTATE_PWRON; 3068 ahci_portp->ahciport_port_state &= ~SATA_PSTATE_PWROFF; 3069 ahci_portp->ahciport_port_state &= ~SATA_PSTATE_SHUTDOWN; 3070 } else if (AHCI_ADDR_IS_PMPORT(&addr)) { 3071 cmn_err(CE_NOTE, "!ahci%d: ahci port %d:%d is activated", 3072 instance, port, pmport); 3073 /* AHCI_ADDR_PMPORT */ 3074 AHCIPORT_PMSTATE(ahci_portp, &addr) |= SATA_PSTATE_PWRON; 3075 AHCIPORT_PMSTATE(ahci_portp, &addr) &= 3076 ~(SATA_PSTATE_PWROFF|SATA_PSTATE_SHUTDOWN); 3077 } 3078 3079 satadev->satadev_state = ahci_portp->ahciport_port_state; 3080 3081 ahci_update_sata_registers(ahci_ctlp, port, satadev); 3082 3083 mutex_exit(&ahci_portp->ahciport_mutex); 3084 return (SATA_SUCCESS); 3085} 3086 3087/* 3088 * Called by sata framework to deactivate a port as part of hotplug. 3089 * (cfgadm -c disconnect satax/y) 3090 * Support port multiplier. 3091 */ 3092static int 3093ahci_tran_hotplug_port_deactivate(dev_info_t *dip, sata_device_t *satadev) 3094{ 3095 ahci_ctl_t *ahci_ctlp; 3096 ahci_port_t *ahci_portp; 3097 ahci_addr_t addr; 3098 uint8_t cport = satadev->satadev_addr.cport; 3099 uint8_t pmport = satadev->satadev_addr.pmport; 3100 uint8_t port; 3101 uint32_t port_scontrol; 3102 int instance = ddi_get_instance(dip); 3103 3104 ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); 3105 port = ahci_ctlp->ahcictl_cport_to_port[cport]; 3106 3107 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 3108 "ahci_tran_hotplug_port_deactivate enter: cport %d", cport); 3109 3110 ahci_portp = ahci_ctlp->ahcictl_ports[port]; 3111 mutex_enter(&ahci_portp->ahciport_mutex); 3112 ahci_get_ahci_addr(ahci_ctlp, satadev, &addr); 3113 ASSERT(AHCI_ADDR_IS_PORT(&addr) || AHCI_ADDR_IS_PMPORT(&addr)); 3114 3115 if (AHCI_ADDR_IS_PORT(&addr)) { 3116 cmn_err(CE_NOTE, "!ahci%d: ahci port %d is deactivated", 3117 instance, port); 3118 3119 /* Disable the interrupts on the port */ 3120 ahci_disable_port_intrs(ahci_ctlp, port); 3121 3122 if (ahci_portp->ahciport_device_type != SATA_DTYPE_NONE) { 3123 3124 /* First to abort all the pending commands */ 3125 ahci_reject_all_abort_pkts(ahci_ctlp, ahci_portp, port); 3126 3127 /* Then stop the port */ 3128 (void) ahci_put_port_into_notrunning_state(ahci_ctlp, 3129 ahci_portp, port); 3130 } 3131 3132 /* Next put the PHY offline */ 3133 port_scontrol = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 3134 (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port)); 3135 SCONTROL_SET_DET(port_scontrol, SCONTROL_DET_DISABLE); 3136 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *) 3137 AHCI_PORT_PxSCTL(ahci_ctlp, port), port_scontrol); 3138 } else if (AHCI_ADDR_IS_PMPORT(&addr)) { 3139 cmn_err(CE_NOTE, "!ahci%d: ahci port %d:%d is deactivated", 3140 instance, port, pmport); 3141 3142 ahci_disable_port_intrs(ahci_ctlp, port); 3143 if (AHCIPORT_GET_DEV_TYPE(ahci_portp, &addr) 3144 != SATA_DTYPE_NONE) 3145 ahci_reject_all_abort_pkts(ahci_ctlp, ahci_portp, port); 3146 3147 /* Re-enable the interrupts for the other pmports */ 3148 ahci_enable_port_intrs(ahci_ctlp, port); 3149 } 3150 3151 /* Update port state */ 3152 AHCIPORT_SET_STATE(ahci_portp, &addr, SATA_PSTATE_SHUTDOWN); 3153 satadev->satadev_state = SATA_PSTATE_SHUTDOWN; 3154 3155 ahci_update_sata_registers(ahci_ctlp, port, satadev); 3156 3157 mutex_exit(&ahci_portp->ahciport_mutex); 3158 return (SATA_SUCCESS); 3159} 3160 3161/* 3162 * To be used to mark all the outstanding pkts with SATA_PKT_ABORTED 3163 * when a device is unplugged or a port is deactivated. 3164 * 3165 * WARNING!!! ahciport_mutex should be acquired before the function is called. 3166 */ 3167static void 3168ahci_reject_all_abort_pkts(ahci_ctl_t *ahci_ctlp, 3169 ahci_port_t *ahci_portp, uint8_t port) 3170{ 3171 uint32_t slot_status = 0; 3172 uint32_t abort_tags = 0; 3173 3174 AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INTR, ahci_ctlp, 3175 "ahci_reject_all_abort_pkts at port: %d", port); 3176 3177 /* Read/write port multiplier command takes highest priority */ 3178 if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { 3179 slot_status = 0x1; 3180 abort_tags = 0x1; 3181 goto out; 3182 } 3183 3184 /* 3185 * When AHCI_PORT_FLAG_MOPPING is set, we need to check whether a 3186 * REQUEST SENSE command or READ LOG EXT command is delivered to HBA 3187 * to get the error data, if yes when the device is removed, the 3188 * command needs to be aborted too. 3189 */ 3190 if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) { 3191 if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { 3192 slot_status = 0x1; 3193 abort_tags = 0x1; 3194 goto out; 3195 } else { 3196 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 3197 "ahci_reject_all_abort_pkts return directly " 3198 "port %d no needs to reject any outstanding " 3199 "commands", port); 3200 return; 3201 } 3202 } 3203 3204 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { 3205 slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 3206 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); 3207 abort_tags = slot_status & AHCI_SLOT_MASK(ahci_ctlp); 3208 } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { 3209 slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 3210 (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); 3211 abort_tags = slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); 3212 } 3213 3214out: 3215 /* No need to do mop when there is no outstanding commands */ 3216 if (slot_status != 0) { 3217 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; 3218 ahci_portp->ahciport_mop_in_progress++; 3219 3220 ahci_mop_commands(ahci_ctlp, 3221 ahci_portp, 3222 slot_status, 3223 0, /* failed tags */ 3224 0, /* timeout tags */ 3225 abort_tags, /* aborting tags */ 3226 0); /* reset tags */ 3227 } 3228} 3229 3230#if defined(__lock_lint) 3231static int 3232ahci_selftest(dev_info_t *dip, sata_device_t *device) 3233{ 3234 return (SATA_SUCCESS); 3235} 3236#endif 3237 3238/* 3239 * Allocate the ports structure, only called by ahci_attach 3240 */ 3241static int 3242ahci_alloc_ports_state(ahci_ctl_t *ahci_ctlp) 3243{ 3244 int port, cport = 0; 3245 3246 AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, 3247 "ahci_alloc_ports_state enter", NULL); 3248 3249 mutex_enter(&ahci_ctlp->ahcictl_mutex); 3250 3251 /* Allocate structures only for the implemented ports */ 3252 for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { 3253 if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { 3254 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 3255 "hba port %d not implemented", port); 3256 continue; 3257 } 3258 3259 ahci_ctlp->ahcictl_cport_to_port[cport] = (uint8_t)port; 3260 ahci_ctlp->ahcictl_port_to_cport[port] = 3261 (uint8_t)cport++; 3262 3263 if (ahci_alloc_port_state(ahci_ctlp, port) != AHCI_SUCCESS) { 3264 goto err_out; 3265 } 3266 } 3267 3268 mutex_exit(&ahci_ctlp->ahcictl_mutex); 3269 return (AHCI_SUCCESS); 3270 3271err_out: 3272 for (port--; port >= 0; port--) { 3273 if (AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { 3274 ahci_dealloc_port_state(ahci_ctlp, port); 3275 } 3276 } 3277 3278 mutex_exit(&ahci_ctlp->ahcictl_mutex); 3279 return (AHCI_FAILURE); 3280} 3281 3282/* 3283 * Reverse of ahci_alloc_ports_state(), only called by ahci_detach 3284 */ 3285static void 3286ahci_dealloc_ports_state(ahci_ctl_t *ahci_ctlp) 3287{ 3288 int port; 3289 3290 mutex_enter(&ahci_ctlp->ahcictl_mutex); 3291 for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { 3292 /* if this port is implemented by the HBA */ 3293 if (AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) 3294 ahci_dealloc_port_state(ahci_ctlp, port); 3295 } 3296 mutex_exit(&ahci_ctlp->ahcictl_mutex); 3297} 3298 3299/* 3300 * Drain the taskq. 3301 */ 3302static void 3303ahci_drain_ports_taskq(ahci_ctl_t *ahci_ctlp) 3304{ 3305 ahci_port_t *ahci_portp; 3306 int port; 3307 3308 for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { 3309 if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { 3310 continue; 3311 } 3312 3313 ahci_portp = ahci_ctlp->ahcictl_ports[port]; 3314 3315 mutex_enter(&ahci_portp->ahciport_mutex); 3316 ddi_taskq_wait(ahci_portp->ahciport_event_taskq); 3317 mutex_exit(&ahci_portp->ahciport_mutex); 3318 } 3319} 3320 3321/* 3322 * Initialize the controller and all ports. And then try to start the ports 3323 * if there are devices attached. 3324 * 3325 * This routine can be called from three seperate cases: DDI_ATTACH, 3326 * PM_LEVEL_D0 and DDI_RESUME. The DDI_ATTACH case is different from 3327 * other two cases; device signature probing are attempted only during 3328 * DDI_ATTACH case. 3329 * 3330 * WARNING!!! Disable the whole controller's interrupts before calling and 3331 * the interrupts will be enabled upon successfully return. 3332 */ 3333static int 3334ahci_initialize_controller(ahci_ctl_t *ahci_ctlp) 3335{ 3336 ahci_port_t *ahci_portp; 3337 ahci_addr_t addr; 3338 uint32_t ghc_control; 3339 int port; 3340 3341 AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, 3342 "ahci_initialize_controller enter", NULL); 3343 3344 mutex_enter(&ahci_ctlp->ahcictl_mutex); 3345 3346 /* 3347 * Indicate that system software is AHCI aware by setting 3348 * GHC.AE to 1 3349 */ 3350 ghc_control = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 3351 (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp)); 3352 3353 ghc_control |= AHCI_HBA_GHC_AE; 3354 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 3355 (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp), 3356 ghc_control); 3357 3358 mutex_exit(&ahci_ctlp->ahcictl_mutex); 3359 3360 /* Initialize the implemented ports and structures */ 3361 for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { 3362 if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { 3363 continue; 3364 } 3365 3366 ahci_portp = ahci_ctlp->ahcictl_ports[port]; 3367 mutex_enter(&ahci_portp->ahciport_mutex); 3368 3369 /* 3370 * Ensure that the controller is not in the running state 3371 * by checking every implemented port's PxCMD register 3372 */ 3373 AHCI_ADDR_SET_PORT(&addr, (uint8_t)port); 3374 3375 if (ahci_initialize_port(ahci_ctlp, ahci_portp, &addr) 3376 != AHCI_SUCCESS) { 3377 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 3378 "ahci_initialize_controller: failed to " 3379 "initialize port %d", port); 3380 /* 3381 * Set the port state to SATA_PSTATE_FAILED if 3382 * failed to initialize it. 3383 */ 3384 ahci_portp->ahciport_port_state = SATA_PSTATE_FAILED; 3385 } 3386 3387 mutex_exit(&ahci_portp->ahciport_mutex); 3388 } 3389 3390 /* Enable the whole controller interrupts */ 3391 mutex_enter(&ahci_ctlp->ahcictl_mutex); 3392 ahci_enable_all_intrs(ahci_ctlp); 3393 mutex_exit(&ahci_ctlp->ahcictl_mutex); 3394 3395 return (AHCI_SUCCESS); 3396} 3397 3398/* 3399 * Reverse of ahci_initialize_controller() 3400 * 3401 * We only need to stop the ports and disable the interrupt. 3402 */ 3403static void 3404ahci_uninitialize_controller(ahci_ctl_t *ahci_ctlp) 3405{ 3406 ahci_port_t *ahci_portp; 3407 int port; 3408 3409 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 3410 "ahci_uninitialize_controller enter", NULL); 3411 3412 /* disable all the interrupts. */ 3413 mutex_enter(&ahci_ctlp->ahcictl_mutex); 3414 ahci_disable_all_intrs(ahci_ctlp); 3415 mutex_exit(&ahci_ctlp->ahcictl_mutex); 3416 3417 for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { 3418 if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { 3419 continue; 3420 } 3421 3422 ahci_portp = ahci_ctlp->ahcictl_ports[port]; 3423 3424 /* Stop the port by clearing PxCMD.ST */ 3425 mutex_enter(&ahci_portp->ahciport_mutex); 3426 3427 /* 3428 * Here we must disable the port interrupt because 3429 * ahci_disable_all_intrs only clear GHC.IE, and IS 3430 * register will be still set if PxIE is enabled. 3431 * When ahci shares one IRQ with other drivers, the 3432 * intr handler may claim the intr mistakenly. 3433 */ 3434 ahci_disable_port_intrs(ahci_ctlp, port); 3435 (void) ahci_put_port_into_notrunning_state(ahci_ctlp, 3436 ahci_portp, port); 3437 mutex_exit(&ahci_portp->ahciport_mutex); 3438 } 3439} 3440 3441/* 3442 * ahci_alloc_pmult() 3443 * 1. Setting HBA port registers which are necessary for a port multiplier. 3444 * (Set PxCMD.PMA while PxCMD.ST is '0') 3445 * 2. Allocate ahci_pmult_info structure. 3446 * 3447 * NOTE: Must stop port before the function is called. 3448 * WARNING!!! ahciport_mutex should be acquired before the function is 3449 * called. 3450 */ 3451static void 3452ahci_alloc_pmult(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp) 3453{ 3454 uint32_t port_cmd_status; 3455 uint8_t port = ahci_portp->ahciport_port_num; 3456 3457 port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 3458 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 3459 3460 /* The port must have been stopped before. */ 3461 ASSERT(!(port_cmd_status & AHCI_CMD_STATUS_ST)); 3462 3463 if (!(port_cmd_status & AHCI_CMD_STATUS_PMA)) { 3464 /* set PMA bit */ 3465 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 3466 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), 3467 port_cmd_status|AHCI_CMD_STATUS_PMA); 3468 3469 AHCIDBG(AHCIDBG_INIT|AHCIDBG_PMULT, ahci_ctlp, 3470 "ahci_alloc_pmult: " 3471 "PxCMD.PMA bit set at port %d.", port); 3472 } 3473 3474 /* Allocate port multiplier information structure */ 3475 if (ahci_portp->ahciport_pmult_info == NULL) { 3476 ahci_portp->ahciport_pmult_info = (ahci_pmult_info_t *) 3477 kmem_zalloc(sizeof (ahci_pmult_info_t), KM_SLEEP); 3478 } 3479 3480 ASSERT(ahci_portp->ahciport_pmult_info != NULL); 3481} 3482 3483/* 3484 * ahci_dealloc_pmult() 3485 * 1. Clearing related registers when a port multiplier is detached. 3486 * (Clear PxCMD.PMA while PxCMD.ST is '0') 3487 * 2. Deallocate ahci_pmult_info structure. 3488 * 3489 * NOTE: Must stop port before the function is called. 3490 * WARNING!!! ahciport_mutex should be acquired before the function is 3491 * called. 3492 */ 3493static void 3494ahci_dealloc_pmult(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp) 3495{ 3496 uint32_t port_cmd_status; 3497 uint8_t port = ahci_portp->ahciport_port_num; 3498 3499 port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 3500 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 3501 3502 if (port_cmd_status & AHCI_CMD_STATUS_PMA) { 3503 /* Clear PMA bit */ 3504 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 3505 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), 3506 (port_cmd_status & (~AHCI_CMD_STATUS_PMA))); 3507 3508 AHCIDBG(AHCIDBG_INIT|AHCIDBG_PMULT, ahci_ctlp, 3509 "ahci_dealloc_pmult: " 3510 "PxCMD.PMA bit cleared at port %d.", port); 3511 } 3512 3513 /* Release port multiplier information structure */ 3514 if (ahci_portp->ahciport_pmult_info != NULL) { 3515 kmem_free(ahci_portp->ahciport_pmult_info, 3516 sizeof (ahci_pmult_info_t)); 3517 ahci_portp->ahciport_pmult_info = NULL; 3518 } 3519} 3520 3521/* 3522 * The routine is to initialize a port. First put the port in NOTRunning 3523 * state, then enable port interrupt and clear Serror register. And under 3524 * AHCI_ATTACH case, find device signature and then try to start the port. 3525 * 3526 * Called by 3527 * 1. ahci_initialize_controller 3528 * 2. ahci_intr_phyrdy_change (hotplug) 3529 * 3530 * WARNING!!! ahciport_mutex should be acquired before the function is called. 3531 */ 3532static int 3533ahci_initialize_port(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 3534 ahci_addr_t *addrp) 3535{ 3536 uint32_t port_sstatus, port_task_file, port_cmd_status; 3537 uint8_t port = addrp->aa_port; 3538 boolean_t pm_mode = B_TRUE; /* Power Management mode */ 3539 int ret; 3540 3541 ASSERT(mutex_owned(&ahci_portp->ahciport_mutex)); 3542 3543 /* AHCI_ADDR_PORT: We've no idea of the attached device here. */ 3544 ASSERT(AHCI_ADDR_IS_PORT(addrp)); 3545 3546 port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 3547 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 3548 3549 AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, 3550 "ahci_initialize_port: port %d ", port); 3551 3552 /* 3553 * Check whether the port is in NotRunning state, if not, 3554 * put the port in NotRunning state 3555 */ 3556 if (port_cmd_status & 3557 (AHCI_CMD_STATUS_ST | 3558 AHCI_CMD_STATUS_CR | 3559 AHCI_CMD_STATUS_FRE | 3560 AHCI_CMD_STATUS_FR)) { 3561 (void) ahci_put_port_into_notrunning_state(ahci_ctlp, 3562 ahci_portp, port); 3563 } 3564 3565 /* Disable interrupt */ 3566 ahci_disable_port_intrs(ahci_ctlp, port); 3567 3568 /* Device is unknown at first */ 3569 AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_UNKNOWN); 3570 3571 /* Disable the interface power management */ 3572 ahci_disable_interface_pm(ahci_ctlp, port); 3573 3574 port_sstatus = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 3575 (uint32_t *)AHCI_PORT_PxSSTS(ahci_ctlp, port)); 3576 port_task_file = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 3577 (uint32_t *)AHCI_PORT_PxTFD(ahci_ctlp, port)); 3578 3579 /* Check physcial link status */ 3580 if (SSTATUS_GET_IPM(port_sstatus) == SSTATUS_IPM_NODEV_NOPHYCOM || 3581 SSTATUS_GET_DET(port_sstatus) == SSTATUS_DET_DEVPRE_NOPHYCOM || 3582 3583 /* Check interface status */ 3584 port_task_file & AHCI_TFD_STS_BSY || 3585 port_task_file & AHCI_TFD_STS_DRQ || 3586 3587 /* Check whether port reset must be executed */ 3588 ahci_ctlp->ahcictl_cap & AHCI_CAP_INIT_PORT_RESET) { 3589 3590 /* Something went wrong, we need do some reset things */ 3591 ret = ahci_port_reset(ahci_ctlp, ahci_portp, addrp); 3592 3593 /* Does port reset succeed on HBA port? */ 3594 if (ret != AHCI_SUCCESS) { 3595 AHCIDBG(AHCIDBG_INIT|AHCIDBG_ERRS, ahci_ctlp, 3596 "ahci_initialize_port:" 3597 "port reset faild at port %d", port); 3598 return (AHCI_FAILURE); 3599 } 3600 3601 /* Is port failed? */ 3602 if (AHCIPORT_GET_STATE(ahci_portp, addrp) & 3603 SATA_PSTATE_FAILED) { 3604 AHCIDBG(AHCIDBG_INIT|AHCIDBG_ERRS, ahci_ctlp, 3605 "ahci_initialize_port: port %d state 0x%x", 3606 port, ahci_portp->ahciport_port_state); 3607 return (AHCI_FAILURE); 3608 } 3609 } 3610 AHCIPORT_SET_STATE(ahci_portp, addrp, SATA_STATE_READY); 3611 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "port %d is ready now.", port); 3612 3613 /* 3614 * At the time being, only probe ports/devices and get the types of 3615 * attached devices during DDI_ATTACH. In fact, the device can be 3616 * changed during power state changes, but at the time being, we 3617 * don't support the situation. 3618 */ 3619 mutex_exit(&ahci_portp->ahciport_mutex); 3620 mutex_enter(&ahci_ctlp->ahcictl_mutex); 3621 if (ahci_ctlp->ahcictl_flags & AHCI_ATTACH) 3622 pm_mode = B_FALSE; 3623 mutex_exit(&ahci_ctlp->ahcictl_mutex); 3624 mutex_enter(&ahci_portp->ahciport_mutex); 3625 3626 if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_HOTPLUG) 3627 pm_mode = B_FALSE; 3628 3629 if (!pm_mode) { 3630 /* 3631 * Try to get the device signature if the port is 3632 * not empty. 3633 */ 3634 if (ahci_portp->ahciport_device_type != SATA_DTYPE_NONE) 3635 ahci_find_dev_signature(ahci_ctlp, ahci_portp, addrp); 3636 } else { 3637 3638 /* 3639 * During the resume, we need to set the PxCLB, PxCLBU, PxFB 3640 * and PxFBU registers in case these registers were cleared 3641 * during the suspend. 3642 */ 3643 AHCIDBG(AHCIDBG_PM, ahci_ctlp, 3644 "ahci_initialize_port: port %d " 3645 "reset the port during resume", port); 3646 (void) ahci_port_reset(ahci_ctlp, ahci_portp, addrp); 3647 3648 AHCIDBG(AHCIDBG_PM, ahci_ctlp, 3649 "ahci_initialize_port: port %d " 3650 "set PxCLB, PxCLBU, PxFB and PxFBU " 3651 "during resume", port); 3652 3653 /* Config Port Received FIS Base Address */ 3654 ddi_put64(ahci_ctlp->ahcictl_ahci_acc_handle, 3655 (uint64_t *)AHCI_PORT_PxFB(ahci_ctlp, port), 3656 ahci_portp->ahciport_rcvd_fis_dma_cookie.dmac_laddress); 3657 3658 /* Config Port Command List Base Address */ 3659 ddi_put64(ahci_ctlp->ahcictl_ahci_acc_handle, 3660 (uint64_t *)AHCI_PORT_PxCLB(ahci_ctlp, port), 3661 ahci_portp->ahciport_cmd_list_dma_cookie.dmac_laddress); 3662 } 3663 3664 /* Return directly if no device connected */ 3665 if (ahci_portp->ahciport_device_type == SATA_DTYPE_NONE) { 3666 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 3667 "No device connected to port %d", port); 3668 goto out; 3669 } 3670 3671 /* If this is a port multiplier, we need do some initialization */ 3672 if (ahci_portp->ahciport_device_type == SATA_DTYPE_PMULT) { 3673 AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, 3674 "Port multiplier found at port %d", port); 3675 ahci_alloc_pmult(ahci_ctlp, ahci_portp); 3676 } 3677 3678 /* Try to start the port */ 3679 if (ahci_start_port(ahci_ctlp, ahci_portp, port) 3680 != AHCI_SUCCESS) { 3681 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 3682 "failed to start port %d", port); 3683 return (AHCI_FAILURE); 3684 } 3685out: 3686 /* Enable port interrupts */ 3687 ahci_enable_port_intrs(ahci_ctlp, port); 3688 3689 return (AHCI_SUCCESS); 3690} 3691 3692/* 3693 * Handle hardware defect, and check the capabilities. For example, 3694 * power management capabilty and MSI capability. 3695 */ 3696static int 3697ahci_config_space_init(ahci_ctl_t *ahci_ctlp) 3698{ 3699 ushort_t venid, devid; 3700 ushort_t caps_ptr, cap_count, cap; 3701#if AHCI_DEBUG 3702 ushort_t pmcap, pmcsr; 3703 ushort_t msimc; 3704#endif 3705 uint8_t revision; 3706 3707 venid = pci_config_get16(ahci_ctlp->ahcictl_pci_conf_handle, 3708 PCI_CONF_VENID); 3709 3710 devid = pci_config_get16(ahci_ctlp->ahcictl_pci_conf_handle, 3711 PCI_CONF_DEVID); 3712 3713 /* 3714 * Modify dma_attr_align of ahcictl_buffer_dma_attr. For VT8251, those 3715 * controllers with 0x00 revision id work on 4-byte aligned buffer, 3716 * which is a bug and was fixed after 0x00 revision id controllers. 3717 * 3718 * Moreover, VT8251 cannot use multiple command slots in the command 3719 * list for non-queued commands because the previous register content 3720 * of PxCI can be re-written in the register write, so a flag will be 3721 * set to record this defect - AHCI_CAP_NO_MCMDLIST_NONQUEUE. 3722 */ 3723 if (venid == VIA_VENID) { 3724 revision = pci_config_get8(ahci_ctlp->ahcictl_pci_conf_handle, 3725 PCI_CONF_REVID); 3726 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 3727 "revision id = 0x%x", revision); 3728 if (revision == 0x00) { 3729 ahci_ctlp->ahcictl_buffer_dma_attr.dma_attr_align = 0x4; 3730 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 3731 "change ddi_attr_align to 0x4", NULL); 3732 } 3733 3734 ahci_ctlp->ahcictl_cap = AHCI_CAP_NO_MCMDLIST_NONQUEUE; 3735 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 3736 "VT8251 cannot use multiple command lists for " 3737 "non-queued commands", NULL); 3738 } 3739 3740 /* 3741 * AMD/ATI SB600 (1002,4380) AHCI chipset doesn't support 64-bit DMA 3742 * addressing for both data buffer and communication memory descriptors 3743 * though S64A bit of CAP register declares the support. 3744 * 3745 * We found this chipset must do port reset during initialization, 3746 * otherwise, when retrieving device signature, software reset will 3747 * get time out. 3748 */ 3749 if (venid == 0x1002 && devid == 0x4380) { 3750 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 3751 "ATI SB600 cannot do 64-bit DMA for both data buffer " 3752 "and communication memory descriptors though CAP indicates " 3753 "support, so force it to use 32-bit DMA", NULL); 3754 ahci_ctlp->ahcictl_cap |= AHCI_CAP_BUF_32BIT_DMA; 3755 ahci_ctlp->ahcictl_cap |= AHCI_CAP_COMMU_32BIT_DMA; 3756 ahci_ctlp->ahcictl_cap |= AHCI_CAP_INIT_PORT_RESET; 3757 } 3758 3759 /* 3760 * AMD/ATI SB700/750 (1002,4391) AHCI chipset doesn't support 64-bit 3761 * DMA addressing for communication memory descriptors though S64A bit 3762 * of CAP register declares the support. However, it does support 3763 * 64-bit DMA for data buffer. 3764 */ 3765 if (venid == 0x1002 && devid == 0x4391) { 3766 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 3767 "ATI SB700/750 cannot do 64-bit DMA for communication " 3768 "memory descriptors though CAP indicates support, " 3769 "so force it to use 32-bit DMA", NULL); 3770 ahci_ctlp->ahcictl_cap |= AHCI_CAP_COMMU_32BIT_DMA; 3771 } 3772 3773 /* 3774 * Check if capabilities list is supported and if so, 3775 * get initial capabilities pointer and clear bits 0,1. 3776 */ 3777 if (pci_config_get16(ahci_ctlp->ahcictl_pci_conf_handle, 3778 PCI_CONF_STAT) & PCI_STAT_CAP) { 3779 caps_ptr = P2ALIGN(pci_config_get8( 3780 ahci_ctlp->ahcictl_pci_conf_handle, 3781 PCI_CONF_CAP_PTR), 4); 3782 } else { 3783 caps_ptr = PCI_CAP_NEXT_PTR_NULL; 3784 } 3785 3786 /* 3787 * Walk capabilities if supported. 3788 */ 3789 for (cap_count = 0; caps_ptr != PCI_CAP_NEXT_PTR_NULL; ) { 3790 3791 /* 3792 * Check that we haven't exceeded the maximum number of 3793 * capabilities and that the pointer is in a valid range. 3794 */ 3795 if (++cap_count > PCI_CAP_MAX_PTR) { 3796 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 3797 "too many device capabilities", NULL); 3798 return (AHCI_FAILURE); 3799 } 3800 if (caps_ptr < PCI_CAP_PTR_OFF) { 3801 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 3802 "capabilities pointer 0x%x out of range", 3803 caps_ptr); 3804 return (AHCI_FAILURE); 3805 } 3806 3807 /* 3808 * Get next capability and check that it is valid. 3809 * For now, we only support power management. 3810 */ 3811 cap = pci_config_get8(ahci_ctlp->ahcictl_pci_conf_handle, 3812 caps_ptr); 3813 switch (cap) { 3814 case PCI_CAP_ID_PM: 3815 3816 /* power management supported */ 3817 ahci_ctlp->ahcictl_cap |= AHCI_CAP_PM; 3818 3819 /* Save PMCSR offset */ 3820 ahci_ctlp->ahcictl_pmcsr_offset = caps_ptr + PCI_PMCSR; 3821 3822#if AHCI_DEBUG 3823 pmcap = pci_config_get16( 3824 ahci_ctlp->ahcictl_pci_conf_handle, 3825 caps_ptr + PCI_PMCAP); 3826 pmcsr = pci_config_get16( 3827 ahci_ctlp->ahcictl_pci_conf_handle, 3828 ahci_ctlp->ahcictl_pmcsr_offset); 3829 AHCIDBG(AHCIDBG_PM, ahci_ctlp, 3830 "Power Management capability found PCI_PMCAP " 3831 "= 0x%x PCI_PMCSR = 0x%x", pmcap, pmcsr); 3832 if ((pmcap & 0x3) == 0x3) 3833 AHCIDBG(AHCIDBG_PM, ahci_ctlp, 3834 "PCI Power Management Interface " 3835 "spec 1.2 compliant", NULL); 3836#endif 3837 break; 3838 3839 case PCI_CAP_ID_MSI: 3840#if AHCI_DEBUG 3841 msimc = pci_config_get16( 3842 ahci_ctlp->ahcictl_pci_conf_handle, 3843 caps_ptr + PCI_MSI_CTRL); 3844 AHCIDBG(AHCIDBG_MSI, ahci_ctlp, 3845 "Message Signaled Interrupt capability found " 3846 "MSICAP_MC.MMC = 0x%x", (msimc & 0xe) >> 1); 3847#endif 3848 AHCIDBG(AHCIDBG_MSI, ahci_ctlp, 3849 "MSI capability found", NULL); 3850 break; 3851 3852 case PCI_CAP_ID_PCIX: 3853 AHCIDBG(AHCIDBG_PM, ahci_ctlp, 3854 "PCI-X capability found", NULL); 3855 break; 3856 3857 case PCI_CAP_ID_PCI_E: 3858 AHCIDBG(AHCIDBG_PM, ahci_ctlp, 3859 "PCI Express capability found", NULL); 3860 break; 3861 3862 case PCI_CAP_ID_MSI_X: 3863 AHCIDBG(AHCIDBG_PM, ahci_ctlp, 3864 "MSI-X capability found", NULL); 3865 break; 3866 3867 case PCI_CAP_ID_SATA: 3868 AHCIDBG(AHCIDBG_PM, ahci_ctlp, 3869 "SATA capability found", NULL); 3870 break; 3871 3872 case PCI_CAP_ID_VS: 3873 AHCIDBG(AHCIDBG_PM, ahci_ctlp, 3874 "Vendor Specific capability found", NULL); 3875 break; 3876 3877 default: 3878 AHCIDBG(AHCIDBG_PM, ahci_ctlp, 3879 "unrecognized capability 0x%x", cap); 3880 break; 3881 } 3882 3883 /* 3884 * Get next capabilities pointer and clear bits 0,1. 3885 */ 3886 caps_ptr = P2ALIGN(pci_config_get8( 3887 ahci_ctlp->ahcictl_pci_conf_handle, 3888 (caps_ptr + PCI_CAP_NEXT_PTR)), 4); 3889 } 3890 3891 return (AHCI_SUCCESS); 3892} 3893 3894/* 3895 * Read/Write a register at port multiplier by SATA READ PORTMULT / SATA WRITE 3896 * PORTMULT command. SYNC & POLLING mode is used. 3897 * 3898 * WARNING!!! ahciport_mutex should be acquired before the function 3899 * is called. 3900 */ 3901static int 3902ahci_rdwr_pmult(ahci_ctl_t *ahci_ctlp, ahci_addr_t *addrp, 3903 uint8_t regn, uint32_t *pregv, uint8_t type) 3904{ 3905 ahci_port_t *ahci_portp; 3906 ahci_addr_t pmult_addr; 3907 sata_pkt_t *spkt; 3908 sata_cmd_t *scmd; 3909 sata_device_t sata_device; 3910 uint8_t port = addrp->aa_port; 3911 uint8_t pmport = addrp->aa_pmport; 3912 uint8_t cport; 3913 uint32_t intr_mask; 3914 int rval; 3915 char portstr[10]; 3916 3917 SET_PORTSTR(portstr, addrp); 3918 cport = ahci_ctlp->ahcictl_port_to_cport[port]; 3919 ahci_portp = ahci_ctlp->ahcictl_ports[port]; 3920 3921 ASSERT(AHCI_ADDR_IS_PMPORT(addrp) || AHCI_ADDR_IS_PMULT(addrp)); 3922 ASSERT(mutex_owned(&ahci_portp->ahciport_mutex)); 3923 3924 /* Check the existence of the port multiplier */ 3925 if (ahci_portp->ahciport_device_type != SATA_DTYPE_PMULT) 3926 return (AHCI_FAILURE); 3927 3928 /* Request a READ/WRITE PORTMULT sata packet. */ 3929 bzero(&sata_device, sizeof (sata_device_t)); 3930 sata_device.satadev_addr.cport = cport; 3931 sata_device.satadev_addr.pmport = pmport; 3932 sata_device.satadev_addr.qual = SATA_ADDR_PMULT; 3933 sata_device.satadev_rev = SATA_DEVICE_REV; 3934 3935 /* 3936 * Make sure no command is outstanding here. All R/W PMULT requests 3937 * come from 3938 * 3939 * 1. ahci_attach() 3940 * The port should be empty. 3941 * 3942 * 2. ahci_tran_probe_port() 3943 * Any request from SATA framework (via ahci_tran_start) should be 3944 * rejected if R/W PMULT command is outstanding. 3945 * 3946 * If we are doing mopping, do not check those flags because no 3947 * command will be actually outstanding. 3948 * 3949 * If the port has been occupied by any other commands, the probe 3950 * function will return a SATA_RETRY. SATA framework will retry 3951 * later. 3952 */ 3953 if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { 3954 AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PMULT, ahci_ctlp, 3955 "R/W PMULT failed: R/W PMULT in progress at port %d.", 3956 port, ahci_portp->ahciport_flags); 3957 return (AHCI_FAILURE); 3958 } 3959 3960 if (!(ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) && ( 3961 ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) || 3962 NCQ_CMD_IN_PROGRESS(ahci_portp) || 3963 NON_NCQ_CMD_IN_PROGRESS(ahci_portp))) { 3964 AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PMULT, ahci_ctlp, 3965 "R/W PMULT failed: port %d is occupied (flags 0x%x).", 3966 port, ahci_portp->ahciport_flags); 3967 return (AHCI_FAILURE); 3968 } 3969 3970 /* 3971 * The port multiplier is gone. This may happen when 3972 * 1. Cutting off the power of an enclosure. The device lose the power 3973 * before port multiplier. 3974 * 2. Disconnecting the port multiplier during hot-plugging a sub-drive. 3975 * 3976 * The issued command should be aborted and the following command 3977 * should not be continued. 3978 */ 3979 if (!(ahci_portp->ahciport_port_state & SATA_STATE_READY)) { 3980 AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PMULT, ahci_ctlp, 3981 "READ/WRITE PMULT failed: " 3982 "port-mult is removed from port %d", port); 3983 return (AHCI_FAILURE); 3984 } 3985 3986 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_RDWR_PMULT; 3987 3988 spkt = sata_get_rdwr_pmult_pkt(ahci_ctlp->ahcictl_dip, 3989 &sata_device, regn, *pregv, type); 3990 3991 /* 3992 * READ/WRITE PORTMULT command is intended to sent to the control port 3993 * of the port multiplier. 3994 */ 3995 AHCI_ADDR_SET_PMULT(&pmult_addr, addrp->aa_port); 3996 3997 ahci_portp->ahciport_rdwr_pmult_pkt = spkt; 3998 3999 /* No interrupt here. Store the interrupt enable mask. */ 4000 intr_mask = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4001 (uint32_t *)AHCI_PORT_PxIE(ahci_ctlp, port)); 4002 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 4003 (uint32_t *)AHCI_PORT_PxIE(ahci_ctlp, port), 0); 4004 4005 rval = ahci_do_sync_start(ahci_ctlp, ahci_portp, &pmult_addr, spkt); 4006 4007 if (rval == AHCI_SUCCESS && 4008 spkt->satapkt_reason == SATA_PKT_COMPLETED) { 4009 if (type == SATA_RDWR_PMULT_PKT_TYPE_READ) { 4010 scmd = &spkt->satapkt_cmd; 4011 *pregv = scmd->satacmd_lba_high_lsb << 24 | 4012 scmd->satacmd_lba_mid_lsb << 16 | 4013 scmd->satacmd_lba_low_lsb << 8 | 4014 scmd->satacmd_sec_count_lsb; 4015 } 4016 } else { 4017 /* Failed or not completed. */ 4018 AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PMULT, ahci_ctlp, 4019 "ahci_rdwr_pmult: cannot [%s] %s[%d] at port %s", 4020 type == SATA_RDWR_PMULT_PKT_TYPE_READ?"Read":"Write", 4021 AHCI_ADDR_IS_PMULT(addrp)?"gscr":"pscr", regn, portstr); 4022 rval = AHCI_FAILURE; 4023 } 4024out: 4025 /* Restore the interrupt mask */ 4026 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 4027 (uint32_t *)AHCI_PORT_PxIE(ahci_ctlp, port), intr_mask); 4028 4029 ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_RDWR_PMULT; 4030 ahci_portp->ahciport_rdwr_pmult_pkt = NULL; 4031 sata_free_rdwr_pmult_pkt(spkt); 4032 return (rval); 4033} 4034 4035static int 4036ahci_read_pmult(ahci_ctl_t *ahci_ctlp, ahci_addr_t *addrp, 4037 uint8_t regn, uint32_t *pregv) 4038{ 4039 return ahci_rdwr_pmult(ahci_ctlp, addrp, regn, pregv, 4040 SATA_RDWR_PMULT_PKT_TYPE_READ); 4041} 4042 4043static int 4044ahci_write_pmult(ahci_ctl_t *ahci_ctlp, ahci_addr_t *addrp, 4045 uint8_t regn, uint32_t regv) 4046{ 4047 return ahci_rdwr_pmult(ahci_ctlp, addrp, regn, ®v, 4048 SATA_RDWR_PMULT_PKT_TYPE_WRITE); 4049} 4050 4051#define READ_PMULT(addrp, r, pv, out) \ 4052 if (ahci_read_pmult(ahci_ctlp, addrp, r, pv) != AHCI_SUCCESS) \ 4053 goto out; 4054 4055#define WRITE_PMULT(addrp, r, v, out) \ 4056 if (ahci_write_pmult(ahci_ctlp, addrp, r, v) != AHCI_SUCCESS) \ 4057 goto out; 4058 4059/* 4060 * Update sata registers on port multiplier, including GSCR/PSCR registers. 4061 * ahci_update_pmult_gscr() 4062 * ahci_update_pmult_pscr() 4063 * 4064 * WARNING!!! ahciport_mutex should be acquired before those functions 4065 * get called. 4066 */ 4067static int 4068ahci_update_pmult_gscr(ahci_ctl_t *ahci_ctlp, ahci_addr_t *addrp, 4069 sata_device_t *sd) 4070{ 4071 READ_PMULT(addrp, SATA_PMULT_GSCR0, &sd->satadev_gscr.gscr0, err); 4072 READ_PMULT(addrp, SATA_PMULT_GSCR1, &sd->satadev_gscr.gscr1, err); 4073 READ_PMULT(addrp, SATA_PMULT_GSCR2, &sd->satadev_gscr.gscr2, err); 4074 READ_PMULT(addrp, SATA_PMULT_GSCR64, &sd->satadev_gscr.gscr64, err); 4075 4076 return (AHCI_SUCCESS); 4077 4078err: /* R/W PMULT error */ 4079 return (AHCI_FAILURE); 4080} 4081 4082static int 4083ahci_update_pmult_pscr(ahci_ctl_t *ahci_ctlp, ahci_addr_t *addrp, 4084 sata_device_t *sd) 4085{ 4086 ASSERT(AHCI_ADDR_IS_PMPORT(addrp)); 4087 4088 READ_PMULT(addrp, SATA_PMULT_REG_SSTS, &sd->satadev_scr.sstatus, err); 4089 READ_PMULT(addrp, SATA_PMULT_REG_SERR, &sd->satadev_scr.serror, err); 4090 READ_PMULT(addrp, SATA_PMULT_REG_SCTL, &sd->satadev_scr.scontrol, err); 4091 READ_PMULT(addrp, SATA_PMULT_REG_SACT, &sd->satadev_scr.sactive, err); 4092 4093 return (AHCI_SUCCESS); 4094 4095err: /* R/W PMULT error */ 4096 return (AHCI_FAILURE); 4097} 4098 4099/* 4100 * ahci_initialize_pmult() 4101 * 4102 * Initialize a port multiplier, including 4103 * 1. Enable FEATURES register at port multiplier. (SATA Chp.16) 4104 * 2. Redefine MASK register. (SATA Chap 16.?) 4105 * 4106 * WARNING!!! ahciport_mutex should be acquired before the function 4107 * is called. 4108 */ 4109static int 4110ahci_initialize_pmult(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 4111 ahci_addr_t *addrp, sata_device_t *sd) 4112{ 4113 uint32_t gscr64; 4114 uint8_t port = addrp->aa_port; 4115 4116 ASSERT(mutex_owned(&ahci_portp->ahciport_mutex)); 4117 AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, 4118 "[Initialize] Port-multiplier at port %d.", port); 4119 4120 /* 4121 * Enable features of port multiplier. Currently only 4122 * Asynchronous Notification is enabled. 4123 */ 4124 /* Check gscr64 for supported features. */ 4125 READ_PMULT(addrp, SATA_PMULT_GSCR64, &gscr64, err); 4126 4127 if (gscr64 & SATA_PMULT_CAP_SNOTIF) { 4128 AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, 4129 "port %d: Port Multiplier supports " 4130 "Asynchronous Notification.", port); 4131 4132 /* Write to gscr96 to enabled features */ 4133 WRITE_PMULT(addrp, SATA_PMULT_GSCR96, 4134 SATA_PMULT_CAP_SNOTIF, err); 4135 4136 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 4137 (uint32_t *)AHCI_PORT_PxSNTF(ahci_ctlp, port), 4138 AHCI_SNOTIF_CLEAR_ALL); 4139 AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, 4140 "port %d: PMult PxSNTF cleared.", port); 4141 4142 } 4143 4144 /* 4145 * Now we need to update gscr33 register to enable hot-plug interrupt 4146 * for sub devices behind port multiplier. 4147 */ 4148 WRITE_PMULT(addrp, SATA_PMULT_GSCR33, (0x1ffff), err); 4149 AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, 4150 "port %d: gscr33 mask set to %x.", port, (0x1ffff)); 4151 4152 /* 4153 * Fetch the number of device ports of the port multiplier 4154 */ 4155 if (ahci_update_pmult_gscr(ahci_ctlp, addrp, sd) != AHCI_SUCCESS) 4156 return (AHCI_FAILURE); 4157 4158 /* If it's not in the blacklist, use the value in GSCR2 */ 4159 if (sata_check_pmult_blacklist(sd) == SATA_FAILURE) 4160 sd->satadev_add_info = sd->satadev_gscr.gscr2 & 4161 SATA_PMULT_PORTNUM_MASK; 4162 4163 ahci_portp->ahciport_pmult_info->ahcipmi_num_dev_ports = 4164 sd->satadev_add_info; 4165 4166 AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, 4167 "port %d: pmult sub-port number updated to %x.", port, 4168 ahci_portp->ahciport_pmult_info->ahcipmi_num_dev_ports); 4169 4170 /* Till now port-mult is successfully initialized */ 4171 ahci_portp->ahciport_port_state |= SATA_DSTATE_PMULT_INIT; 4172 return (AHCI_SUCCESS); 4173 4174err: /* R/W PMULT error */ 4175 return (AHCI_FAILURE); 4176} 4177 4178/* 4179 * Initialize a port multiplier port. According to spec, firstly we need 4180 * issue a COMRESET, then a software reset to get its signature. 4181 * 4182 * NOTE: This function should only be called in ahci_probe_pmport() 4183 * WARNING!!! ahciport_mutex should be acquired before the function. 4184 */ 4185static int 4186ahci_initialize_pmport(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 4187 ahci_addr_t *addrp) 4188{ 4189 uint32_t finished_tags = 0, reset_tags = 0, slot_status = 0; 4190 uint8_t port = addrp->aa_port; 4191 uint8_t pmport = addrp->aa_pmport; 4192 int ret = AHCI_FAILURE; 4193 4194 ASSERT(AHCI_ADDR_IS_PMPORT(addrp)); 4195 4196 AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, 4197 "ahci_initialize_pmport: port %d:%d", port, pmport); 4198 4199 /* Check HBA port state */ 4200 if (ahci_portp->ahciport_port_state & SATA_PSTATE_FAILED) { 4201 AHCIDBG(AHCIDBG_INIT|AHCIDBG_ERRS, ahci_ctlp, 4202 "ahci_initialize_pmport:" 4203 "port %d:%d Port Multiplier is failed.", 4204 port, pmport); 4205 return (AHCI_FAILURE); 4206 } 4207 4208 if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_HOTPLUG) { 4209 return (AHCI_FAILURE); 4210 } 4211 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_HOTPLUG; 4212 4213 /* Checking for outstanding commands */ 4214 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { 4215 slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4216 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); 4217 reset_tags = slot_status & AHCI_SLOT_MASK(ahci_ctlp); 4218 } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { 4219 slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4220 (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); 4221 reset_tags = slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); 4222 } 4223 4224 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; 4225 ahci_portp->ahciport_mop_in_progress++; 4226 4227 /* Clear status */ 4228 AHCIPORT_SET_STATE(ahci_portp, addrp, SATA_STATE_UNKNOWN); 4229 4230 /* Firstly assume an unknown device */ 4231 AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_UNKNOWN); 4232 4233 ahci_disable_port_intrs(ahci_ctlp, port); 4234 4235 /* port reset is necessary for port multiplier port */ 4236 if (ahci_pmport_reset(ahci_ctlp, ahci_portp, addrp) != AHCI_SUCCESS) { 4237 AHCIDBG(AHCIDBG_INIT|AHCIDBG_ERRS, ahci_ctlp, 4238 "ahci_initialize_pmport:" 4239 "port reset failed at port %d:%d", 4240 port, pmport); 4241 goto out; 4242 } 4243 4244 /* Is port failed? */ 4245 if (AHCIPORT_GET_STATE(ahci_portp, addrp) & 4246 SATA_PSTATE_FAILED) { 4247 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 4248 "ahci_initialize_pmport: port %d:%d failed. " 4249 "state = 0x%x", port, pmport, 4250 ahci_portp->ahciport_port_state); 4251 goto out; 4252 } 4253 4254 /* Is there any device attached? */ 4255 if (AHCIPORT_GET_DEV_TYPE(ahci_portp, addrp) 4256 == SATA_DTYPE_NONE) { 4257 /* Do not waste time on an empty port */ 4258 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 4259 "ahci_initialize_pmport: No device is found " 4260 "at port %d:%d", port, pmport); 4261 ret = AHCI_SUCCESS; 4262 goto out; 4263 } 4264 4265 AHCIPORT_SET_STATE(ahci_portp, addrp, SATA_STATE_READY); 4266 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 4267 "port %d:%d is ready now.", port, pmport); 4268 4269 /* 4270 * Till now we can assure a device attached to that HBA port and work 4271 * correctly. Now try to get the device signature. This is an optional 4272 * step. If failed, unknown device is assumed, then SATA module will 4273 * continue to use IDENTIFY DEVICE to get the information of the 4274 * device. 4275 */ 4276 ahci_find_dev_signature(ahci_ctlp, ahci_portp, addrp); 4277 4278 ret = AHCI_SUCCESS; 4279 4280out: 4281 /* Next try to mop the pending commands */ 4282 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) 4283 finished_tags = ahci_portp->ahciport_pending_tags & 4284 ~slot_status & AHCI_SLOT_MASK(ahci_ctlp); 4285 else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) 4286 finished_tags = ahci_portp->ahciport_pending_ncq_tags & 4287 ~slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); 4288 reset_tags &= ~finished_tags; 4289 4290 ahci_mop_commands(ahci_ctlp, 4291 ahci_portp, 4292 slot_status, 4293 0, /* failed tags */ 4294 0, /* timeout tags */ 4295 0, /* aborted tags */ 4296 reset_tags); /* reset tags */ 4297 4298 /* Clear PxSNTF register if supported. */ 4299 if (ahci_ctlp->ahcictl_cap & AHCI_CAP_SNTF) { 4300 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 4301 (uint32_t *)AHCI_PORT_PxSNTF(ahci_ctlp, port), 4302 AHCI_SNOTIF_CLEAR_ALL); 4303 } 4304 4305 ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_HOTPLUG; 4306 ahci_enable_port_intrs(ahci_ctlp, port); 4307 return (ret); 4308} 4309 4310/* 4311 * ahci_probe_pmult() 4312 * 4313 * This function will be called to probe a port multiplier, which will 4314 * handle hotplug events on port multiplier ports. 4315 * 4316 * NOTE: Only called from ahci_tran_probe_port() 4317 * WARNING!!! ahciport_mutex should be acquired before the function is called. 4318 */ 4319static int 4320ahci_probe_pmult(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 4321 ahci_addr_t *addrp) 4322{ 4323 sata_device_t sdevice; 4324 ahci_addr_t pmport_addr; 4325 uint32_t gscr32, port_hotplug_tags; 4326 uint32_t pmport_sstatus; 4327 int dev_exists_now = 0, dev_existed_previously = 0; 4328 uint8_t port = addrp->aa_port; 4329 int npmport; 4330 4331 /* The bits in GSCR32 refers to the pmport that has a hot-plug event. */ 4332 READ_PMULT(addrp, SATA_PMULT_GSCR32, &gscr32, err); 4333 port_hotplug_tags = gscr32 & AHCI_PMPORT_MASK(ahci_portp); 4334 4335 do { 4336 npmport = ddi_ffs(port_hotplug_tags) - 1; 4337 if (npmport == -1) 4338 /* no pending hot plug events. */ 4339 return (AHCI_SUCCESS); 4340 4341 AHCIDBG(AHCIDBG_EVENT|AHCIDBG_PMULT, ahci_ctlp, 4342 "hot-plug event at port %d:%d", port, npmport); 4343 4344 AHCI_ADDR_SET_PMPORT(&pmport_addr, port, (uint8_t)npmport); 4345 4346 /* Check previous device at that port */ 4347 if (AHCIPORT_GET_DEV_TYPE(ahci_portp, &pmport_addr) 4348 != SATA_DTYPE_NONE) 4349 dev_existed_previously = 1; 4350 4351 /* PxSStatus tells the presence of device. */ 4352 READ_PMULT(&pmport_addr, SATA_PMULT_REG_SSTS, 4353 &pmport_sstatus, err); 4354 4355 if (SSTATUS_GET_DET(pmport_sstatus) == 4356 SSTATUS_DET_DEVPRE_PHYCOM) 4357 dev_exists_now = 1; 4358 4359 /* 4360 * Clear PxSERR is critical. The transition from 0 to 1 will 4361 * emit a FIS which generates an asynchronous notification 4362 * event at controller. If we fail to clear the PxSERR, the 4363 * Async Notif events will no longer be activated on this 4364 * pmport. 4365 */ 4366 WRITE_PMULT(&pmport_addr, SATA_PMULT_REG_SERR, 4367 AHCI_SERROR_CLEAR_ALL, err); 4368 4369 bzero((void *)&sdevice, sizeof (sata_device_t)); 4370 sdevice.satadev_addr.cport = ahci_ctlp-> 4371 ahcictl_port_to_cport[port]; 4372 sdevice.satadev_addr.qual = SATA_ADDR_PMPORT; 4373 sdevice.satadev_addr.pmport = (uint8_t)npmport; 4374 sdevice.satadev_state = SATA_PSTATE_PWRON; 4375 4376 AHCIDBG(AHCIDBG_EVENT|AHCIDBG_PMULT, ahci_ctlp, 4377 "[Existence] %d -> %d", dev_existed_previously, 4378 dev_exists_now); 4379 4380 if (dev_exists_now) { 4381 if (dev_existed_previously) { 4382 /* Link (may) not change: Exist -> Exist * */ 4383 AHCIDBG(AHCIDBG_EVENT, ahci_ctlp, 4384 "ahci_probe_pmult: port %d:%d " 4385 "device link lost/established", 4386 port, npmport); 4387 4388 mutex_exit(&ahci_portp->ahciport_mutex); 4389 sata_hba_event_notify( 4390 ahci_ctlp->ahcictl_sata_hba_tran-> 4391 sata_tran_hba_dip, 4392 &sdevice, 4393 SATA_EVNT_LINK_LOST| 4394 SATA_EVNT_LINK_ESTABLISHED); 4395 mutex_enter(&ahci_portp->ahciport_mutex); 4396 } else { 4397 /* Link change: None -> Exist */ 4398 AHCIDBG(AHCIDBG_EVENT|AHCIDBG_PMULT, ahci_ctlp, 4399 "ahci_probe_pmult: port %d:%d " 4400 "device link established", port, npmport); 4401 4402 /* Clear port state */ 4403 AHCIPORT_SET_STATE(ahci_portp, &pmport_addr, 4404 SATA_STATE_UNKNOWN); 4405 AHCIDBG(AHCIDBG_EVENT|AHCIDBG_PMULT, ahci_ctlp, 4406 "ahci_probe_pmult: port %d " 4407 "ahciport_port_state [Cleared].", port); 4408 4409 mutex_exit(&ahci_portp->ahciport_mutex); 4410 sata_hba_event_notify( 4411 ahci_ctlp->ahcictl_sata_hba_tran-> 4412 sata_tran_hba_dip, 4413 &sdevice, 4414 SATA_EVNT_LINK_ESTABLISHED); 4415 mutex_enter(&ahci_portp->ahciport_mutex); 4416 } 4417 } else { /* No device exists now */ 4418 if (dev_existed_previously) { 4419 4420 /* Link change: Exist -> None */ 4421 AHCIDBG(AHCIDBG_EVENT|AHCIDBG_PMULT, ahci_ctlp, 4422 "ahci_probe_pmult: port %d:%d " 4423 "device link lost", port, npmport); 4424 4425 /* An existing device is lost. */ 4426 AHCIPORT_SET_STATE(ahci_portp, &pmport_addr, 4427 SATA_STATE_UNKNOWN); 4428 AHCIPORT_SET_DEV_TYPE(ahci_portp, &pmport_addr, 4429 SATA_DTYPE_NONE); 4430 4431 mutex_exit(&ahci_portp->ahciport_mutex); 4432 sata_hba_event_notify( 4433 ahci_ctlp->ahcictl_sata_hba_tran-> 4434 sata_tran_hba_dip, 4435 &sdevice, 4436 SATA_EVNT_LINK_LOST); 4437 mutex_enter(&ahci_portp->ahciport_mutex); 4438 } 4439 } 4440 4441 CLEAR_BIT(port_hotplug_tags, npmport); 4442 } while (port_hotplug_tags != 0); 4443 4444 return (AHCI_SUCCESS); 4445 4446err: /* R/W PMULT error */ 4447 return (AHCI_FAILURE); 4448} 4449 4450/* 4451 * Probe and initialize a port multiplier port. 4452 * A port multiplier port could only be initilaizer here. 4453 * 4454 * WARNING!!! ahcictl_mutex should be acquired before the function 4455 * is called. 4456 */ 4457static int 4458ahci_probe_pmport(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 4459 ahci_addr_t *addrp, sata_device_t *sd) 4460{ 4461 uint32_t port_state; 4462 uint8_t port = addrp->aa_port; 4463 ahci_addr_t addr_pmult; 4464 4465 /* 4466 * Check the parent - port multiplier first. 4467 */ 4468 4469 /* 4470 * Parent port multiplier might have been removed. This event will be 4471 * ignored and failure. 4472 */ 4473 if (ahci_portp->ahciport_device_type == SATA_DTYPE_NONE || 4474 ahci_portp->ahciport_device_type != SATA_DTYPE_PMULT) { 4475 AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PMULT, ahci_ctlp, 4476 "ahci_tran_probe_port: " 4477 "parent device removed, ignore event.", NULL); 4478 4479 return (AHCI_FAILURE); 4480 } 4481 4482 /* The port is ready? */ 4483 port_state = ahci_portp->ahciport_port_state; 4484 if (!(port_state & SATA_STATE_READY)) { 4485 AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PMULT, ahci_ctlp, 4486 "ahci_tran_probe_port: " 4487 "parent port-mult is NOT ready.", NULL); 4488 4489 if (ahci_restart_port_wait_till_ready(ahci_ctlp, 4490 ahci_portp, port, AHCI_PORT_RESET, NULL) != 4491 AHCI_SUCCESS) { 4492 AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PMULT, ahci_ctlp, 4493 "ahci_tran_probe_port: " 4494 "restart port-mult failed.", NULL); 4495 return (AHCI_FAILURE); 4496 } 4497 } 4498 4499 /* 4500 * If port-mult is restarted due to some reason, we need 4501 * re-initialized the PMult. 4502 */ 4503 if (!(port_state & SATA_DSTATE_PMULT_INIT)) { 4504 /* Initialize registers on a port multiplier */ 4505 AHCI_ADDR_SET_PMULT(&addr_pmult, addrp->aa_port); 4506 if (ahci_initialize_pmult(ahci_ctlp, ahci_portp, 4507 &addr_pmult, sd) != AHCI_SUCCESS) 4508 return (AHCI_FAILURE); 4509 } 4510 4511 /* 4512 * Then we check the port-mult port 4513 */ 4514 /* Is this pmport initialized? */ 4515 port_state = AHCIPORT_GET_STATE(ahci_portp, addrp); 4516 if (!(port_state & SATA_STATE_READY)) { 4517 4518 /* ahci_initialize_pmport() will set READY state */ 4519 if (ahci_initialize_pmport(ahci_ctlp, 4520 ahci_portp, addrp) != AHCI_SUCCESS) 4521 return (AHCI_FAILURE); 4522 } 4523 4524 return (AHCI_SUCCESS); 4525} 4526 4527/* 4528 * AHCI device reset ...; a single device on one of the ports is reset, 4529 * but the HBA and physical communication remain intact. This is the 4530 * least intrusive. 4531 * 4532 * When issuing a software reset sequence, there should not be other 4533 * commands in the command list, so we will first clear and then re-set 4534 * PxCMD.ST to clear PxCI. And before issuing the software reset, 4535 * the port must be idle and PxTFD.STS.BSY and PxTFD.STS.DRQ must be 4536 * cleared unless command list override (PxCMD.CLO) is supported. 4537 * 4538 * WARNING!!! ahciport_mutex should be acquired and PxCMD.FRE should be 4539 * set before the function is called. 4540 */ 4541static int 4542ahci_software_reset(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 4543 ahci_addr_t *addrp) 4544{ 4545 ahci_fis_h2d_register_t *h2d_register_fisp; 4546 ahci_cmd_table_t *cmd_table; 4547 ahci_cmd_header_t *cmd_header; 4548 uint32_t port_cmd_status, port_cmd_issue, port_task_file; 4549 int slot, loop_count; 4550 uint8_t port = addrp->aa_port; 4551 uint8_t pmport = addrp->aa_pmport; 4552 int rval = AHCI_FAILURE; 4553 4554 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 4555 "port %d:%d device software resetting (FIS)", port, pmport); 4556 4557 /* First clear PxCMD.ST (AHCI v1.2 10.4.1) */ 4558 if (ahci_put_port_into_notrunning_state(ahci_ctlp, ahci_portp, 4559 port) != AHCI_SUCCESS) { 4560 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 4561 "ahci_software_reset: cannot stop HBA port %d.", port); 4562 goto out; 4563 } 4564 4565 /* Check PxTFD.STS.BSY and PxTFD.STS.DRQ */ 4566 port_task_file = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4567 (uint32_t *)AHCI_PORT_PxTFD(ahci_ctlp, port)); 4568 4569 if (port_task_file & AHCI_TFD_STS_BSY || 4570 port_task_file & AHCI_TFD_STS_DRQ) { 4571 if (!(ahci_ctlp->ahcictl_cap & AHCI_CAP_SCLO)) { 4572 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 4573 "PxTFD.STS.BSY/DRQ is set (PxTFD=0x%x), " 4574 "cannot issue a software reset.", port_task_file); 4575 goto out; 4576 } 4577 4578 /* 4579 * If HBA Support CLO, as Command List Override (CAP.SCLO is 4580 * set), PxCMD.CLO bit should be set before set PxCMD.ST, in 4581 * order to clear PxTFD.STS.BSY and PxTFD.STS.DRQ. 4582 */ 4583 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 4584 "PxTFD.STS.BSY/DRQ is set, try SCLO.", NULL) 4585 4586 port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4587 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 4588 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 4589 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), 4590 port_cmd_status|AHCI_CMD_STATUS_CLO); 4591 4592 /* Waiting till PxCMD.SCLO bit is cleared */ 4593 loop_count = 0; 4594 do { 4595 /* Wait for 10 millisec */ 4596 drv_usecwait(AHCI_10MS_USECS); 4597 4598 /* We are effectively timing out after 1 sec. */ 4599 if (loop_count++ > 100) { 4600 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 4601 "SCLO time out. port %d is busy.", port); 4602 goto out; 4603 } 4604 4605 port_cmd_status = 4606 ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4607 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 4608 } while (port_cmd_status & AHCI_CMD_STATUS_CLO); 4609 4610 /* Re-check */ 4611 port_task_file = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4612 (uint32_t *)AHCI_PORT_PxTFD(ahci_ctlp, port)); 4613 if (port_task_file & AHCI_TFD_STS_BSY || 4614 port_task_file & AHCI_TFD_STS_DRQ) { 4615 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 4616 "SCLO cannot clear PxTFD.STS.BSY/DRQ (PxTFD=0x%x)", 4617 port_task_file); 4618 goto out; 4619 } 4620 } 4621 4622 /* Then start port */ 4623 if (ahci_start_port(ahci_ctlp, ahci_portp, port) 4624 != AHCI_SUCCESS) { 4625 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 4626 "ahci_software_reset: cannot start AHCI port %d.", port); 4627 goto out; 4628 } 4629 4630 /* 4631 * When ahci_port.ahciport_mop_in_progress is set, A non-zero 4632 * ahci_port.ahciport_pending_ncq_tags may fail 4633 * ahci_claim_free_slot(). Actually according to spec, by clearing 4634 * PxCMD.ST there is no command outstanding while executing software 4635 * reseting. Hence we directly use slot 0 instead of 4636 * ahci_claim_free_slot(). 4637 */ 4638 slot = 0; 4639 4640 /* Now send the first H2D Register FIS with SRST set to 1 */ 4641 cmd_table = ahci_portp->ahciport_cmd_tables[slot]; 4642 bzero((void *)cmd_table, ahci_cmd_table_size); 4643 4644 h2d_register_fisp = 4645 &(cmd_table->ahcict_command_fis.ahcifc_fis.ahcifc_h2d_register); 4646 4647 SET_FIS_TYPE(h2d_register_fisp, AHCI_H2D_REGISTER_FIS_TYPE); 4648 SET_FIS_PMP(h2d_register_fisp, pmport); 4649 SET_FIS_DEVCTL(h2d_register_fisp, SATA_DEVCTL_SRST); 4650 4651 /* Set Command Header in Command List */ 4652 cmd_header = &ahci_portp->ahciport_cmd_list[slot]; 4653 BZERO_DESCR_INFO(cmd_header); 4654 BZERO_PRD_BYTE_COUNT(cmd_header); 4655 SET_COMMAND_FIS_LENGTH(cmd_header, 5); 4656 SET_PORT_MULTI_PORT(cmd_header, pmport); 4657 4658 SET_CLEAR_BUSY_UPON_R_OK(cmd_header, 1); 4659 SET_RESET(cmd_header, 1); 4660 SET_WRITE(cmd_header, 1); 4661 4662 (void) ddi_dma_sync(ahci_portp->ahciport_cmd_tables_dma_handle[slot], 4663 0, 4664 ahci_cmd_table_size, 4665 DDI_DMA_SYNC_FORDEV); 4666 4667 (void) ddi_dma_sync(ahci_portp->ahciport_cmd_list_dma_handle, 4668 slot * sizeof (ahci_cmd_header_t), 4669 sizeof (ahci_cmd_header_t), 4670 DDI_DMA_SYNC_FORDEV); 4671 4672 /* Indicate to the HBA that a command is active. */ 4673 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 4674 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port), 4675 (0x1 << slot)); 4676 4677 loop_count = 0; 4678 4679 /* Loop till the first command is finished */ 4680 do { 4681 port_cmd_issue = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4682 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); 4683 4684 /* We are effectively timing out after 1 sec. */ 4685 if (loop_count++ > AHCI_POLLRATE_PORT_SOFTRESET) { 4686 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 4687 "the first SRST FIS is timed out, " 4688 "loop_count = %d", loop_count); 4689 goto out; 4690 } 4691 /* Wait for 10 millisec */ 4692 drv_usecwait(AHCI_10MS_USECS); 4693 } while (port_cmd_issue & AHCI_SLOT_MASK(ahci_ctlp) & (0x1 << slot)); 4694 4695 AHCIDBG(AHCIDBG_POLL_LOOP, ahci_ctlp, 4696 "ahci_software_reset: 1st loop count: %d, " 4697 "port_cmd_issue = 0x%x, slot = 0x%x", 4698 loop_count, port_cmd_issue, slot); 4699 4700 /* According to ATA spec, we need wait at least 5 microsecs here. */ 4701 drv_usecwait(AHCI_1MS_USECS); 4702 4703 /* Now send the second H2D Register FIS with SRST cleard to zero */ 4704 cmd_table = ahci_portp->ahciport_cmd_tables[slot]; 4705 bzero((void *)cmd_table, ahci_cmd_table_size); 4706 4707 h2d_register_fisp = 4708 &(cmd_table->ahcict_command_fis.ahcifc_fis.ahcifc_h2d_register); 4709 4710 SET_FIS_TYPE(h2d_register_fisp, AHCI_H2D_REGISTER_FIS_TYPE); 4711 SET_FIS_PMP(h2d_register_fisp, pmport); 4712 4713 /* Set Command Header in Command List */ 4714 cmd_header = &ahci_portp->ahciport_cmd_list[slot]; 4715 BZERO_DESCR_INFO(cmd_header); 4716 BZERO_PRD_BYTE_COUNT(cmd_header); 4717 SET_COMMAND_FIS_LENGTH(cmd_header, 5); 4718 SET_PORT_MULTI_PORT(cmd_header, pmport); 4719 4720 SET_WRITE(cmd_header, 1); 4721 4722 (void) ddi_dma_sync(ahci_portp->ahciport_cmd_tables_dma_handle[slot], 4723 0, 4724 ahci_cmd_table_size, 4725 DDI_DMA_SYNC_FORDEV); 4726 4727 (void) ddi_dma_sync(ahci_portp->ahciport_cmd_list_dma_handle, 4728 slot * sizeof (ahci_cmd_header_t), 4729 sizeof (ahci_cmd_header_t), 4730 DDI_DMA_SYNC_FORDEV); 4731 4732 /* Indicate to the HBA that a command is active. */ 4733 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 4734 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port), 4735 (0x1 << slot)); 4736 4737 loop_count = 0; 4738 4739 /* Loop till the second command is finished */ 4740 do { 4741 port_cmd_issue = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4742 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); 4743 4744 /* We are effectively timing out after 1 sec. */ 4745 if (loop_count++ > AHCI_POLLRATE_PORT_SOFTRESET) { 4746 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 4747 "the second SRST FIS is timed out, " 4748 "loop_count = %d", loop_count); 4749 goto out; 4750 } 4751 4752 /* Wait for 10 millisec */ 4753 drv_usecwait(AHCI_10MS_USECS); 4754 } while (port_cmd_issue & AHCI_SLOT_MASK(ahci_ctlp) & (0x1 << slot)); 4755 4756 AHCIDBG(AHCIDBG_POLL_LOOP, ahci_ctlp, 4757 "ahci_software_reset: 2nd loop count: %d, " 4758 "port_cmd_issue = 0x%x, slot = 0x%x", 4759 loop_count, port_cmd_issue, slot); 4760 4761 CLEAR_BIT(ahci_portp->ahciport_pending_tags, slot); 4762 4763 rval = AHCI_SUCCESS; 4764out: 4765 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 4766 "ahci_software_reset: %s at port %d:%d", 4767 rval == AHCI_SUCCESS ? "succeed" : "failed", 4768 port, pmport); 4769 4770 return (rval); 4771} 4772 4773/* 4774 * AHCI port reset ...; the physical communication between the HBA and device 4775 * on a port are disabled. This is more intrusive. 4776 * 4777 * When an HBA or port reset occurs, Phy communication is going to 4778 * be re-established with the device through a COMRESET followed by the 4779 * normal out-of-band communication sequence defined in Serial ATA. AT 4780 * the end of reset, the device, if working properly, will send a D2H 4781 * Register FIS, which contains the device signature. When the HBA receives 4782 * this FIS, it updates PxTFD.STS and PxTFD.ERR register fields, and updates 4783 * the PxSIG register with the signature. 4784 * 4785 * Staggered spin-up is an optional feature in SATA II, and it enables an HBA 4786 * to individually spin-up attached devices. Please refer to chapter 10.9 of 4787 * AHCI 1.0 spec. 4788 */ 4789/* 4790 * WARNING!!! ahciport_mutex should be acquired, and PxCMD.ST should be also 4791 * cleared before the function is called. 4792 */ 4793static int 4794ahci_port_reset(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 4795 ahci_addr_t *addrp) 4796{ 4797 ahci_addr_t pmult_addr; 4798 uint32_t cap_status, port_cmd_status; 4799 uint32_t port_scontrol, port_sstatus, port_serror; 4800 uint32_t port_intr_status, port_task_file; 4801 uint32_t port_state; 4802 uint8_t port = addrp->aa_port; 4803 4804 int loop_count; 4805 int instance = ddi_get_instance(ahci_ctlp->ahcictl_dip); 4806 4807 /* Target is a port multiplier port? */ 4808 if (AHCI_ADDR_IS_PMPORT(addrp)) 4809 return (ahci_pmport_reset(ahci_ctlp, ahci_portp, addrp)); 4810 4811 /* Otherwise it must be an HBA port. */ 4812 ASSERT(AHCI_ADDR_IS_PORT(addrp)); 4813 4814 AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, 4815 "Port %d port resetting...", port); 4816 ahci_portp->ahciport_port_state = 0; 4817 4818 cap_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4819 (uint32_t *)AHCI_GLOBAL_CAP(ahci_ctlp)); 4820 4821 port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4822 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 4823 4824 if (cap_status & AHCI_HBA_CAP_SSS) { 4825 /* 4826 * HBA support staggered spin-up, if the port has 4827 * not spin up yet, then force it to do spin-up 4828 */ 4829 if (!(port_cmd_status & AHCI_CMD_STATUS_SUD)) { 4830 if (!(ahci_portp->ahciport_flags 4831 & AHCI_PORT_FLAG_SPINUP)) { 4832 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 4833 "Port %d PxCMD.SUD is zero, force " 4834 "it to do spin-up", port); 4835 ahci_portp->ahciport_flags |= 4836 AHCI_PORT_FLAG_SPINUP; 4837 } 4838 } 4839 } else { 4840 /* 4841 * HBA doesn't support stagger spin-up, force it 4842 * to do normal COMRESET 4843 */ 4844 if (ahci_portp->ahciport_flags & 4845 AHCI_PORT_FLAG_SPINUP) { 4846 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 4847 "HBA does not support staggered spin-up " 4848 "force it to do normal COMRESET", NULL); 4849 ahci_portp->ahciport_flags &= 4850 ~AHCI_PORT_FLAG_SPINUP; 4851 } 4852 } 4853 4854 if (!(ahci_portp->ahciport_flags & AHCI_PORT_FLAG_SPINUP)) { 4855 /* Do normal COMRESET */ 4856 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 4857 "ahci_port_reset: do normal COMRESET", port); 4858 4859 /* 4860 * According to the spec, SUD bit should be set here, 4861 * but JMicron JMB363 doesn't follow it, so remove 4862 * the assertion, and just print a debug message. 4863 */ 4864#if AHCI_DEBUG 4865 if (!(port_cmd_status & AHCI_CMD_STATUS_SUD)) 4866 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 4867 "port %d SUD bit not set", port) 4868#endif 4869 4870 port_scontrol = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4871 (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port)); 4872 SCONTROL_SET_DET(port_scontrol, SCONTROL_DET_COMRESET); 4873 4874 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 4875 (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port), 4876 port_scontrol); 4877 4878 /* Enable PxCMD.FRE to read device */ 4879 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 4880 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), 4881 port_cmd_status|AHCI_CMD_STATUS_FRE); 4882 4883 /* 4884 * Give time for COMRESET to percolate, according to the AHCI 4885 * spec, software shall wait at least 1 millisecond before 4886 * clearing PxSCTL.DET 4887 */ 4888 drv_usecwait(AHCI_1MS_USECS*2); 4889 4890 /* Fetch the SCONTROL again and rewrite the DET part with 0 */ 4891 port_scontrol = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4892 (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port)); 4893 SCONTROL_SET_DET(port_scontrol, SCONTROL_DET_NOACTION); 4894 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 4895 (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port), 4896 port_scontrol); 4897 } else { 4898 /* Do staggered spin-up */ 4899 port_scontrol = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4900 (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port)); 4901 SCONTROL_SET_DET(port_scontrol, SCONTROL_DET_NOACTION); 4902 4903 /* PxSCTL.DET must be 0 */ 4904 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 4905 (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port), 4906 port_scontrol); 4907 4908 port_cmd_status &= ~AHCI_CMD_STATUS_SUD; 4909 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 4910 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), 4911 port_cmd_status); 4912 4913 /* 0 -> 1 edge */ 4914 drv_usecwait(AHCI_1MS_USECS*2); 4915 4916 /* Set PxCMD.SUD to 1 */ 4917 port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4918 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 4919 port_cmd_status |= AHCI_CMD_STATUS_SUD; 4920 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 4921 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), 4922 port_cmd_status); 4923 4924 /* Enable PxCMD.FRE to read device */ 4925 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 4926 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), 4927 port_cmd_status|AHCI_CMD_STATUS_FRE); 4928 } 4929 4930 /* 4931 * The port enters P:StartComm state, and HBA tells link layer to 4932 * start communication, which involves sending COMRESET to device. 4933 * And the HBA resets PxTFD.STS to 7Fh. 4934 * 4935 * When a COMINIT is received from the device, then the port enters 4936 * P:ComInit state. And HBA sets PxTFD.STS to FFh or 80h. HBA sets 4937 * PxSSTS.DET to 1h to indicate a device is detected but communication 4938 * is not yet established. HBA sets PxSERR.DIAG.X to '1' to indicate 4939 * a COMINIT has been received. 4940 */ 4941 /* 4942 * The DET field is valid only if IPM field indicates 4943 * that the interface is in active state. 4944 */ 4945 loop_count = 0; 4946 do { 4947 port_sstatus = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4948 (uint32_t *)AHCI_PORT_PxSSTS(ahci_ctlp, port)); 4949 4950 if (SSTATUS_GET_IPM(port_sstatus) != SSTATUS_IPM_ACTIVE) { 4951 /* 4952 * If the interface is not active, the DET field 4953 * is considered not accurate. So we want to 4954 * continue looping. 4955 */ 4956 SSTATUS_SET_DET(port_sstatus, SSTATUS_DET_NODEV); 4957 } 4958 4959 if (loop_count++ > AHCI_POLLRATE_PORT_SSTATUS) { 4960 /* 4961 * We are effectively timing out after 0.1 sec. 4962 */ 4963 break; 4964 } 4965 4966 /* Wait for 10 millisec */ 4967 drv_usecwait(AHCI_10MS_USECS); 4968 } while (SSTATUS_GET_DET(port_sstatus) != SSTATUS_DET_DEVPRE_PHYCOM); 4969 4970 AHCIDBG(AHCIDBG_INIT|AHCIDBG_POLL_LOOP, ahci_ctlp, 4971 "ahci_port_reset: 1st loop count: %d, " 4972 "port_sstatus = 0x%x port %d", 4973 loop_count, port_sstatus, port); 4974 4975 if ((SSTATUS_GET_IPM(port_sstatus) != SSTATUS_IPM_ACTIVE) || 4976 (SSTATUS_GET_DET(port_sstatus) != SSTATUS_DET_DEVPRE_PHYCOM)) { 4977 /* 4978 * Either the port is not active or there 4979 * is no device present. 4980 */ 4981 AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_NONE); 4982 return (AHCI_SUCCESS); 4983 } 4984 4985 /* Now we can make sure there is a device connected to the port */ 4986 port_intr_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4987 (uint32_t *)AHCI_PORT_PxIS(ahci_ctlp, port)); 4988 port_serror = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 4989 (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port)); 4990 4991 /* 4992 * A COMINIT signal is supposed to be received 4993 * PxSERR.DIAG.X or PxIS.PCS should be set 4994 */ 4995 if (!(port_intr_status & AHCI_INTR_STATUS_PCS) && 4996 !(port_serror & SERROR_EXCHANGED_ERR)) { 4997 cmn_err(CE_WARN, "!ahci%d: ahci_port_reset port %d " 4998 "COMINIT signal from the device not received", 4999 instance, port); 5000 AHCIPORT_SET_STATE(ahci_portp, addrp, SATA_PSTATE_FAILED); 5001 return (AHCI_FAILURE); 5002 } 5003 5004 /* 5005 * According to the spec, when PxSCTL.DET is set to 0h, upon 5006 * receiving a COMINIT from the attached device, PxTFD.STS.BSY 5007 * shall be set to '1' by the HBA. 5008 * 5009 * However, we found JMicron JMB363 doesn't follow this, so 5010 * remove this check, and just print a debug message. 5011 */ 5012#if AHCI_DEBUG 5013 port_task_file = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 5014 (uint32_t *)AHCI_PORT_PxTFD(ahci_ctlp, port)); 5015 if (!(port_task_file & AHCI_TFD_STS_BSY)) { 5016 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_port_reset: " 5017 "port %d BSY bit is not set after COMINIT signal " 5018 "is received", port); 5019 } 5020#endif 5021 5022 /* 5023 * PxSERR.DIAG.X has to be cleared in order to update PxTFD with 5024 * the D2H FIS received by HBA. 5025 */ 5026 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 5027 (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port), 5028 SERROR_EXCHANGED_ERR); 5029 5030 /* 5031 * Devices should return a FIS contains its signature to HBA after 5032 * COMINIT signal. Check whether a D2H FIS is received by polling 5033 * PxTFD.STS.ERR bit. 5034 */ 5035 loop_count = 0; 5036 do { 5037 /* Wait for 10 millisec */ 5038 drv_usecwait(AHCI_10MS_USECS); 5039 5040 if (loop_count++ > AHCI_POLLRATE_PORT_TFD_ERROR) { 5041 /* 5042 * We are effectively timing out after 11 sec. 5043 */ 5044 cmn_err(CE_WARN, "!ahci%d: ahci_port_reset port %d " 5045 "the device hardware has been initialized and " 5046 "the power-up diagnostics failed", 5047 instance, port); 5048 5049 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_port_reset: " 5050 "port %d PxTFD.STS.ERR is not set, we need another " 5051 "software reset.", port); 5052 5053 /* Clear port serror register for the port */ 5054 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 5055 (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port), 5056 AHCI_SERROR_CLEAR_ALL); 5057 5058 AHCI_ADDR_SET_PMULT(&pmult_addr, port); 5059 5060 /* Try another software reset. */ 5061 if (ahci_software_reset(ahci_ctlp, ahci_portp, 5062 &pmult_addr) != AHCI_SUCCESS) { 5063 AHCIPORT_SET_STATE(ahci_portp, addrp, 5064 SATA_PSTATE_FAILED); 5065 return (AHCI_FAILURE); 5066 } 5067 break; 5068 } 5069 5070 /* Wait for 10 millisec */ 5071 drv_usecwait(AHCI_10MS_USECS); 5072 5073 /* 5074 * The Error bit '1' means COMRESET is finished successfully 5075 * The device hardware has been initialized and the power-up 5076 * diagnostics successfully completed. The device requests 5077 * that the Transport layer transmit a Register - D2H FIS to 5078 * the host. (SATA spec 11.5, v2.6) 5079 */ 5080 port_task_file = 5081 ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 5082 (uint32_t *)AHCI_PORT_PxTFD(ahci_ctlp, port)); 5083 } while (((port_task_file & AHCI_TFD_ERR_MASK) 5084 >> AHCI_TFD_ERR_SHIFT) != AHCI_TFD_ERR_SGS); 5085 5086 AHCIDBG(AHCIDBG_INIT|AHCIDBG_POLL_LOOP, ahci_ctlp, 5087 "ahci_port_reset: 2nd loop count: %d, " 5088 "port_task_file = 0x%x port %d", 5089 loop_count, port_task_file, port); 5090 5091 /* Clear port serror register for the port */ 5092 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 5093 (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port), 5094 AHCI_SERROR_CLEAR_ALL); 5095 5096 /* Set port as ready */ 5097 port_state = AHCIPORT_GET_STATE(ahci_portp, addrp); 5098 AHCIPORT_SET_STATE(ahci_portp, addrp, port_state|SATA_STATE_READY); 5099 5100 AHCIDBG(AHCIDBG_INFO|AHCIDBG_ERRS, ahci_ctlp, 5101 "ahci_port_reset: succeed at port %d.", port); 5102 return (AHCI_SUCCESS); 5103} 5104 5105/* 5106 * COMRESET on a port multiplier port. 5107 * 5108 * NOTE: Only called in ahci_port_reset() 5109 */ 5110static int 5111ahci_pmport_reset(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 5112 ahci_addr_t *addrp) 5113{ 5114 uint32_t port_scontrol, port_sstatus, port_serror; 5115 uint32_t port_cmd_status, port_intr_status; 5116 uint32_t port_state; 5117 uint8_t port = addrp->aa_port; 5118 uint8_t pmport = addrp->aa_pmport; 5119 int loop_count; 5120 int instance = ddi_get_instance(ahci_ctlp->ahcictl_dip); 5121 5122 AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, 5123 "port %d:%d: pmport resetting", port, pmport); 5124 5125 /* Initialize pmport state */ 5126 AHCIPORT_SET_STATE(ahci_portp, addrp, 0); 5127 5128 READ_PMULT(addrp, SATA_PMULT_REG_SCTL, &port_scontrol, err); 5129 SCONTROL_SET_DET(port_scontrol, SCONTROL_DET_COMRESET); 5130 WRITE_PMULT(addrp, SATA_PMULT_REG_SCTL, port_scontrol, err); 5131 5132 /* PxCMD.FRE should be set before. */ 5133 port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 5134 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 5135 ASSERT(port_cmd_status & AHCI_CMD_STATUS_FRE); 5136 if (!(port_cmd_status & AHCI_CMD_STATUS_FRE)) 5137 return (AHCI_FAILURE); 5138 5139 /* 5140 * Give time for COMRESET to percolate, according to the AHCI 5141 * spec, software shall wait at least 1 millisecond before 5142 * clearing PxSCTL.DET 5143 */ 5144 drv_usecwait(AHCI_1MS_USECS*2); 5145 5146 /* 5147 * Fetch the SCONTROL again and rewrite the DET part with 0 5148 * This will generate an Asychronous Notification events. 5149 */ 5150 READ_PMULT(addrp, SATA_PMULT_REG_SCTL, &port_scontrol, err); 5151 SCONTROL_SET_DET(port_scontrol, SCONTROL_DET_NOACTION); 5152 WRITE_PMULT(addrp, SATA_PMULT_REG_SCTL, port_scontrol, err); 5153 5154 /* 5155 * The port enters P:StartComm state, and HBA tells link layer to 5156 * start communication, which involves sending COMRESET to device. 5157 * And the HBA resets PxTFD.STS to 7Fh. 5158 * 5159 * When a COMINIT is received from the device, then the port enters 5160 * P:ComInit state. And HBA sets PxTFD.STS to FFh or 80h. HBA sets 5161 * PxSSTS.DET to 1h to indicate a device is detected but communication 5162 * is not yet established. HBA sets PxSERR.DIAG.X to '1' to indicate 5163 * a COMINIT has been received. 5164 */ 5165 /* 5166 * The DET field is valid only if IPM field indicates 5167 * that the interface is in active state. 5168 */ 5169 loop_count = 0; 5170 do { 5171 READ_PMULT(addrp, SATA_PMULT_REG_SSTS, &port_sstatus, err); 5172 5173 if (SSTATUS_GET_IPM(port_sstatus) != SSTATUS_IPM_ACTIVE) { 5174 /* 5175 * If the interface is not active, the DET field 5176 * is considered not accurate. So we want to 5177 * continue looping. 5178 */ 5179 SSTATUS_SET_DET(port_sstatus, SSTATUS_DET_NODEV); 5180 } 5181 5182 if (loop_count++ > AHCI_POLLRATE_PORT_SSTATUS) { 5183 /* 5184 * We are effectively timing out after 0.1 sec. 5185 */ 5186 break; 5187 } 5188 5189 /* Wait for 10 millisec */ 5190 drv_usecwait(AHCI_10MS_USECS); 5191 5192 } while (SSTATUS_GET_DET(port_sstatus) != SSTATUS_DET_DEVPRE_PHYCOM); 5193 5194 AHCIDBG(AHCIDBG_POLL_LOOP, ahci_ctlp, 5195 "ahci_pmport_reset: 1st loop count: %d, " 5196 "port_sstatus = 0x%x port %d:%d", 5197 loop_count, port_sstatus, port, pmport); 5198 5199 if ((SSTATUS_GET_IPM(port_sstatus) != SSTATUS_IPM_ACTIVE) || 5200 (SSTATUS_GET_DET(port_sstatus) != SSTATUS_DET_DEVPRE_PHYCOM)) { 5201 /* 5202 * Either the port is not active or there 5203 * is no device present. 5204 */ 5205 AHCIDBG(AHCIDBG_INIT|AHCIDBG_INFO, ahci_ctlp, 5206 "ahci_pmport_reset: " 5207 "no device attached to port %d:%d", 5208 port, pmport); 5209 AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_NONE); 5210 return (AHCI_SUCCESS); 5211 } 5212 5213 /* Now we can make sure there is a device connected to the port */ 5214 /* COMINIT signal is supposed to be received (PxSERR.DIAG.X = '1') */ 5215 READ_PMULT(addrp, SATA_PMULT_REG_SERR, &port_serror, err); 5216 5217 if (!(port_serror & (1 << 26))) { 5218 cmn_err(CE_WARN, "!ahci%d: ahci_pmport_reset: " 5219 "COMINIT signal from the device not received port %d:%d", 5220 instance, port, pmport); 5221 5222 AHCIPORT_SET_STATE(ahci_portp, addrp, SATA_PSTATE_FAILED); 5223 return (AHCI_FAILURE); 5224 } 5225 5226 /* 5227 * After clear PxSERR register, we will receive a D2H FIS. 5228 * Normally this FIS will cause a IPMS error according to AHCI spec 5229 * v1.2 because there is no command outstanding for it. So we need 5230 * to ignore this error. 5231 */ 5232 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_IGNORE_IPMS; 5233 WRITE_PMULT(addrp, SATA_PMULT_REG_SERR, AHCI_SERROR_CLEAR_ALL, err); 5234 5235 /* Now we need to check the D2H FIS by checking IPMS error. */ 5236 loop_count = 0; 5237 do { 5238 port_intr_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 5239 (uint32_t *)AHCI_PORT_PxIS(ahci_ctlp, port)); 5240 5241 if (loop_count++ > AHCI_POLLRATE_PORT_TFD_ERROR) { 5242 /* 5243 * No D2H FIS received. This is possible according 5244 * to SATA 2.6 spec. 5245 */ 5246 cmn_err(CE_WARN, "ahci_port_reset: port %d:%d " 5247 "PxIS.IPMS is not set, we need another " 5248 "software reset.", port, pmport); 5249 5250 break; 5251 } 5252 5253 /* Wait for 10 millisec */ 5254 mutex_exit(&ahci_portp->ahciport_mutex); 5255 delay(AHCI_10MS_TICKS); 5256 mutex_enter(&ahci_portp->ahciport_mutex); 5257 5258 } while (!(port_intr_status & AHCI_INTR_STATUS_IPMS)); 5259 5260 AHCIDBG(AHCIDBG_POLL_LOOP, ahci_ctlp, 5261 "ahci_pmport_reset: 2st loop count: %d, " 5262 "port_sstatus = 0x%x port %d:%d", 5263 loop_count, port_sstatus, port, pmport); 5264 5265 /* Clear IPMS */ 5266 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 5267 (uint32_t *)AHCI_PORT_PxIS(ahci_ctlp, port), 5268 AHCI_INTR_STATUS_IPMS); 5269 ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_IGNORE_IPMS; 5270 5271 /* This pmport is now ready for ahci_tran_start() */ 5272 port_state = AHCIPORT_GET_STATE(ahci_portp, addrp); 5273 AHCIPORT_SET_STATE(ahci_portp, addrp, port_state|SATA_STATE_READY); 5274 5275 AHCIDBG(AHCIDBG_INFO|AHCIDBG_ERRS, ahci_ctlp, 5276 "ahci_pmport_reset: succeed at port %d:%d", port, pmport); 5277 return (AHCI_SUCCESS); 5278 5279err: /* R/W PMULT error */ 5280 /* IPMS flags might be set before. */ 5281 ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_IGNORE_IPMS; 5282 AHCIDBG(AHCIDBG_INFO|AHCIDBG_ERRS, ahci_ctlp, 5283 "ahci_pmport_reset: failed at port %d:%d", port, pmport); 5284 5285 return (AHCI_FAILURE); 5286} 5287 5288/* 5289 * AHCI HBA reset ...; the entire HBA is reset, and all ports are disabled. 5290 * This is the most intrusive. 5291 * 5292 * When an HBA reset occurs, Phy communication will be re-established with 5293 * the device through a COMRESET followed by the normal out-of-band 5294 * communication sequence defined in Serial ATA. AT the end of reset, the 5295 * device, if working properly, will send a D2H Register FIS, which contains 5296 * the device signature. When the HBA receives this FIS, it updates PxTFD.STS 5297 * and PxTFD.ERR register fields, and updates the PxSIG register with the 5298 * signature. 5299 * 5300 * Remember to set GHC.AE to 1 before calling ahci_hba_reset. 5301 */ 5302static int 5303ahci_hba_reset(ahci_ctl_t *ahci_ctlp) 5304{ 5305 ahci_port_t *ahci_portp; 5306 ahci_addr_t addr; 5307 uint32_t ghc_control; 5308 uint8_t port; 5309 int loop_count; 5310 int rval = AHCI_SUCCESS; 5311 5312 AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, "HBA resetting", 5313 NULL); 5314 5315 mutex_enter(&ahci_ctlp->ahcictl_mutex); 5316 5317 ghc_control = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 5318 (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp)); 5319 5320 /* Setting GHC.HR to 1, remember GHC.AE is already set to 1 before */ 5321 ghc_control |= AHCI_HBA_GHC_HR; 5322 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 5323 (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp), ghc_control); 5324 5325 /* 5326 * Wait until HBA Reset complete or timeout 5327 */ 5328 loop_count = 0; 5329 do { 5330 ghc_control = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 5331 (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp)); 5332 5333 if (loop_count++ > AHCI_POLLRATE_HBA_RESET) { 5334 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 5335 "ahci hba reset is timing out, " 5336 "ghc_control = 0x%x", ghc_control); 5337 /* We are effectively timing out after 1 sec. */ 5338 break; 5339 } 5340 5341 /* Wait for 10 millisec */ 5342 drv_usecwait(AHCI_10MS_USECS); 5343 } while (ghc_control & AHCI_HBA_GHC_HR); 5344 5345 AHCIDBG(AHCIDBG_POLL_LOOP, ahci_ctlp, 5346 "ahci_hba_reset: 1st loop count: %d, " 5347 "ghc_control = 0x%x", loop_count, ghc_control); 5348 5349 if (ghc_control & AHCI_HBA_GHC_HR) { 5350 /* The hba is not reset for some reasons */ 5351 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 5352 "hba reset failed: HBA in a hung or locked state", NULL); 5353 mutex_exit(&ahci_ctlp->ahcictl_mutex); 5354 return (AHCI_FAILURE); 5355 } 5356 5357 /* 5358 * HBA reset will clear (AHCI Spec v1.2 10.4.3) GHC.IE / GHC.AE 5359 */ 5360 ghc_control = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 5361 (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp)); 5362 ghc_control |= (AHCI_HBA_GHC_AE | AHCI_HBA_GHC_IE); 5363 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 5364 (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp), ghc_control); 5365 5366 mutex_exit(&ahci_ctlp->ahcictl_mutex); 5367 5368 for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { 5369 /* Only check implemented ports */ 5370 if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { 5371 continue; 5372 } 5373 5374 ahci_portp = ahci_ctlp->ahcictl_ports[port]; 5375 mutex_enter(&ahci_portp->ahciport_mutex); 5376 5377 AHCI_ADDR_SET_PORT(&addr, port); 5378 5379 if (ahci_restart_port_wait_till_ready(ahci_ctlp, ahci_portp, 5380 port, AHCI_PORT_RESET|AHCI_RESET_NO_EVENTS_UP, NULL) != 5381 AHCI_SUCCESS) { 5382 rval = AHCI_FAILURE; 5383 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 5384 "ahci_hba_reset: port %d failed", port); 5385 /* 5386 * Set the port state to SATA_PSTATE_FAILED if 5387 * failed to initialize it. 5388 */ 5389 ahci_portp->ahciport_port_state = SATA_PSTATE_FAILED; 5390 } 5391 5392 mutex_exit(&ahci_portp->ahciport_mutex); 5393 } 5394 5395 return (rval); 5396} 5397 5398/* 5399 * This routine is only called from AHCI_ATTACH or phyrdy change 5400 * case. It first calls software reset, then stop the port and try to 5401 * read PxSIG register to find the type of device attached to the port. 5402 * 5403 * The caller should make sure a valid device exists on specified port and 5404 * physical communication has been established so that the signature could 5405 * be retrieved by software reset. 5406 * 5407 * WARNING!!! ahciport_mutex should be acquired before the function 5408 * is called. And the port interrupt is disabled. 5409 */ 5410static void 5411ahci_find_dev_signature(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 5412 ahci_addr_t *addrp) 5413{ 5414 ahci_addr_t dev_addr; 5415 uint32_t signature; 5416 uint8_t port = addrp->aa_port; 5417 uint8_t pmport = addrp->aa_pmport; 5418 ASSERT(AHCI_ADDR_IS_VALID(addrp)); 5419 5420 if (AHCI_ADDR_IS_PORT(addrp)) { 5421 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 5422 "ahci_find_dev_signature enter: port %d", port); 5423 5424 /* 5425 * NOTE: when the ahci address is a HBA port, we do not know 5426 * it is a device or a port multiplier that attached. we need 5427 * try a software reset at port multiplier address (0xf 5428 * pmport) 5429 */ 5430 AHCI_ADDR_SET_PMULT(&dev_addr, addrp->aa_port); 5431 } else { 5432 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 5433 "ahci_find_dev_signature enter: port %d:%d", 5434 port, pmport); 5435 dev_addr = *addrp; 5436 } 5437 5438 /* Assume it is unknown. */ 5439 AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_UNKNOWN); 5440 5441 /* Issue a software reset to get the signature */ 5442 if (ahci_software_reset(ahci_ctlp, ahci_portp, &dev_addr) 5443 != AHCI_SUCCESS) { 5444 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 5445 "ahci_find_dev_signature: software reset failed " 5446 "at port %d:%d, cannot get signature.", port, pmport); 5447 AHCIPORT_SET_STATE(ahci_portp, addrp, SATA_PSTATE_FAILED); 5448 return; 5449 } 5450 5451 /* 5452 * ahci_software_reset has started the port, so we need manually stop 5453 * the port again. 5454 */ 5455 if (AHCI_ADDR_IS_PORT(addrp)) { 5456 if (ahci_put_port_into_notrunning_state(ahci_ctlp, 5457 ahci_portp, port) != AHCI_SUCCESS) { 5458 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 5459 "ahci_find_dev_signature: cannot stop port %d.", 5460 port); 5461 ahci_portp->ahciport_port_state = SATA_PSTATE_FAILED; 5462 return; 5463 } 5464 } 5465 5466 /* Now we can make sure that a valid signature is received. */ 5467 signature = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 5468 (uint32_t *)AHCI_PORT_PxSIG(ahci_ctlp, port)); 5469 5470#ifdef AHCI_DEBUG 5471 if (AHCI_ADDR_IS_PMPORT(addrp)) { 5472 AHCIDBG(AHCIDBG_INIT|AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, 5473 "ahci_find_dev_signature: signature = 0x%x at port %d:%d", 5474 signature, port, pmport); 5475 } else { 5476 AHCIDBG(AHCIDBG_INIT|AHCIDBG_INFO, ahci_ctlp, 5477 "ahci_find_dev_signature: signature = 0x%x at port %d", 5478 signature, port); 5479 } 5480#endif 5481 5482 /* NOTE: Only support ATAPI device at controller port. */ 5483 if (signature == AHCI_SIGNATURE_ATAPI && !AHCI_ADDR_IS_PORT(addrp)) 5484 signature = SATA_DTYPE_UNKNOWN; 5485 5486 switch (signature) { 5487 5488 case AHCI_SIGNATURE_DISK: 5489 AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_ATADISK); 5490 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 5491 "Disk is found at port: %d", port); 5492 break; 5493 5494 case AHCI_SIGNATURE_ATAPI: 5495 AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_ATAPI); 5496 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 5497 "ATAPI device is found at port: %d", port); 5498 break; 5499 5500 case AHCI_SIGNATURE_PORT_MULTIPLIER: 5501 /* Port Multiplier cannot recursively attached. */ 5502 ASSERT(AHCI_ADDR_IS_PORT(addrp)); 5503 AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_PMULT); 5504 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 5505 "Port Multiplier is found at port: %d", port); 5506 break; 5507 5508 default: 5509 AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_UNKNOWN); 5510 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 5511 "Unknown device is found at port: %d", port); 5512 } 5513} 5514 5515/* 5516 * According to the spec, to reliably detect hot plug removals, software 5517 * must disable interface power management. Software should perform the 5518 * following initialization on a port after a device is attached: 5519 * Set PxSCTL.IPM to 3h to disable interface state transitions 5520 * Set PxCMD.ALPE to '0' to disable aggressive power management 5521 * Disable device initiated interface power management by SET FEATURE 5522 * 5523 * We can ignore the last item because by default the feature is disabled 5524 */ 5525static void 5526ahci_disable_interface_pm(ahci_ctl_t *ahci_ctlp, uint8_t port) 5527{ 5528 uint32_t port_scontrol, port_cmd_status; 5529 5530 port_scontrol = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 5531 (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port)); 5532 SCONTROL_SET_IPM(port_scontrol, SCONTROL_IPM_DISABLE_BOTH); 5533 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 5534 (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port), port_scontrol); 5535 5536 port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 5537 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 5538 port_cmd_status &= ~AHCI_CMD_STATUS_ALPE; 5539 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 5540 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), port_cmd_status); 5541} 5542 5543/* 5544 * Start the port - set PxCMD.ST to 1, if PxCMD.FRE is not set 5545 * to 1, then set it firstly. 5546 * 5547 * Each port contains two major DMA engines. One DMA engine walks through 5548 * the command list, and is controlled by PxCMD.ST. The second DMA engine 5549 * copies received FISes into system memory, and is controlled by PxCMD.FRE. 5550 * 5551 * Software shall not set PxCMD.ST to '1' until it verifies that PxCMD.CR 5552 * is '0' and has set PxCMD.FRE is '1'. And software shall not clear 5553 * PxCMD.FRE while PxCMD.ST or PxCMD.CR is set '1'. 5554 * 5555 * Software shall not set PxCMD.ST to '1' unless a functional device is 5556 * present on the port(as determined by PxTFD.STS.BSY = '0', 5557 * PxTFD.STS.DRQ = '0', and PxSSTS.DET = 3h). 5558 * 5559 * WARNING!!! ahciport_mutex should be acquired before the function 5560 * is called. 5561 */ 5562static int 5563ahci_start_port(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port) 5564{ 5565 uint32_t port_cmd_status; 5566 5567 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_start_port: %d enter", port); 5568 5569 if (ahci_portp->ahciport_port_state & SATA_PSTATE_FAILED) { 5570 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_start_port failed " 5571 "the state for port %d is 0x%x", 5572 port, ahci_portp->ahciport_port_state); 5573 return (AHCI_FAILURE); 5574 } 5575 5576 if (ahci_portp->ahciport_device_type == SATA_DTYPE_NONE) { 5577 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_start_port failed " 5578 "no device is attached at port %d", port); 5579 return (AHCI_FAILURE); 5580 } 5581 5582 /* First to set PxCMD.FRE before setting PxCMD.ST. */ 5583 port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 5584 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 5585 5586 if (!(port_cmd_status & AHCI_CMD_STATUS_FRE)) { 5587 port_cmd_status |= AHCI_CMD_STATUS_FRE; 5588 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 5589 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), 5590 port_cmd_status); 5591 } 5592 5593 port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 5594 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 5595 5596 port_cmd_status |= AHCI_CMD_STATUS_ST; 5597 5598 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 5599 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), 5600 port_cmd_status); 5601 5602 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_STARTED; 5603 5604 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_start_port: " 5605 "PxCMD.ST set to '1' at port %d", port); 5606 5607 return (AHCI_SUCCESS); 5608} 5609 5610/* 5611 * Allocate the ahci_port_t including Received FIS and Command List. 5612 * The argument - port is the physical port number, and not logical 5613 * port number seen by the SATA framework. 5614 * 5615 * WARNING!!! ahcictl_mutex should be acquired before the function 5616 * is called. 5617 */ 5618static int 5619ahci_alloc_port_state(ahci_ctl_t *ahci_ctlp, uint8_t port) 5620{ 5621 dev_info_t *dip = ahci_ctlp->ahcictl_dip; 5622 ahci_port_t *ahci_portp; 5623 char taskq_name[64] = "event_handle_taskq"; 5624 5625 ahci_portp = 5626 (ahci_port_t *)kmem_zalloc(sizeof (ahci_port_t), KM_SLEEP); 5627 5628 ahci_ctlp->ahcictl_ports[port] = ahci_portp; 5629 ahci_portp->ahciport_port_num = port; 5630 5631 /* Initialize the port condition variable */ 5632 cv_init(&ahci_portp->ahciport_cv, NULL, CV_DRIVER, NULL); 5633 5634 /* Initialize the port mutex */ 5635 mutex_init(&ahci_portp->ahciport_mutex, NULL, MUTEX_DRIVER, 5636 (void *)(uintptr_t)ahci_ctlp->ahcictl_intr_pri); 5637 5638 mutex_enter(&ahci_portp->ahciport_mutex); 5639 5640 /* 5641 * Allocate memory for received FIS structure and 5642 * command list for this port 5643 */ 5644 if (ahci_alloc_rcvd_fis(ahci_ctlp, ahci_portp, port) != AHCI_SUCCESS) { 5645 goto err_case1; 5646 } 5647 5648 if (ahci_alloc_cmd_list(ahci_ctlp, ahci_portp, port) != AHCI_SUCCESS) { 5649 goto err_case2; 5650 } 5651 5652 (void) snprintf(taskq_name + strlen(taskq_name), 5653 sizeof (taskq_name) - strlen(taskq_name), 5654 "_port%d", port); 5655 5656 /* Create the taskq for the port */ 5657 if ((ahci_portp->ahciport_event_taskq = ddi_taskq_create(dip, 5658 taskq_name, 2, TASKQ_DEFAULTPRI, 0)) == NULL) { 5659 cmn_err(CE_WARN, "!ahci%d: ddi_taskq_create failed for event " 5660 "handle", ddi_get_instance(ahci_ctlp->ahcictl_dip)); 5661 goto err_case3; 5662 } 5663 5664 /* Allocate the argument for the taskq */ 5665 ahci_portp->ahciport_event_args = 5666 kmem_zalloc(sizeof (ahci_event_arg_t), KM_SLEEP); 5667 5668 ahci_portp->ahciport_event_args->ahciea_addrp = 5669 kmem_zalloc(sizeof (ahci_addr_t), KM_SLEEP); 5670 5671 if (ahci_portp->ahciport_event_args == NULL) 5672 goto err_case4; 5673 5674 mutex_exit(&ahci_portp->ahciport_mutex); 5675 5676 return (AHCI_SUCCESS); 5677 5678err_case4: 5679 ddi_taskq_destroy(ahci_portp->ahciport_event_taskq); 5680 5681err_case3: 5682 ahci_dealloc_cmd_list(ahci_ctlp, ahci_portp); 5683 5684err_case2: 5685 ahci_dealloc_rcvd_fis(ahci_portp); 5686 5687err_case1: 5688 mutex_exit(&ahci_portp->ahciport_mutex); 5689 mutex_destroy(&ahci_portp->ahciport_mutex); 5690 cv_destroy(&ahci_portp->ahciport_cv); 5691 5692 kmem_free(ahci_portp, sizeof (ahci_port_t)); 5693 5694 return (AHCI_FAILURE); 5695} 5696 5697/* 5698 * Reverse of ahci_dealloc_port_state(). 5699 * 5700 * WARNING!!! ahcictl_mutex should be acquired before the function 5701 * is called. 5702 */ 5703static void 5704ahci_dealloc_port_state(ahci_ctl_t *ahci_ctlp, uint8_t port) 5705{ 5706 ahci_port_t *ahci_portp = ahci_ctlp->ahcictl_ports[port]; 5707 5708 ASSERT(ahci_portp != NULL); 5709 5710 mutex_enter(&ahci_portp->ahciport_mutex); 5711 kmem_free(ahci_portp->ahciport_event_args->ahciea_addrp, 5712 sizeof (ahci_addr_t)); 5713 ahci_portp->ahciport_event_args->ahciea_addrp = NULL; 5714 kmem_free(ahci_portp->ahciport_event_args, sizeof (ahci_event_arg_t)); 5715 ahci_portp->ahciport_event_args = NULL; 5716 ddi_taskq_destroy(ahci_portp->ahciport_event_taskq); 5717 ahci_dealloc_cmd_list(ahci_ctlp, ahci_portp); 5718 ahci_dealloc_rcvd_fis(ahci_portp); 5719 ahci_dealloc_pmult(ahci_ctlp, ahci_portp); 5720 mutex_exit(&ahci_portp->ahciport_mutex); 5721 5722 mutex_destroy(&ahci_portp->ahciport_mutex); 5723 cv_destroy(&ahci_portp->ahciport_cv); 5724 5725 kmem_free(ahci_portp, sizeof (ahci_port_t)); 5726 5727 ahci_ctlp->ahcictl_ports[port] = NULL; 5728} 5729 5730/* 5731 * Allocates memory for the Received FIS Structure 5732 * 5733 * WARNING!!! ahciport_mutex should be acquired before the function 5734 * is called. 5735 */ 5736static int 5737ahci_alloc_rcvd_fis(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 5738 uint8_t port) 5739{ 5740 size_t rcvd_fis_size; 5741 size_t ret_len; 5742 uint_t cookie_count; 5743 5744 rcvd_fis_size = sizeof (ahci_rcvd_fis_t); 5745 5746 /* allocate rcvd FIS dma handle. */ 5747 if (ddi_dma_alloc_handle(ahci_ctlp->ahcictl_dip, 5748 &ahci_ctlp->ahcictl_rcvd_fis_dma_attr, 5749 DDI_DMA_SLEEP, 5750 NULL, 5751 &ahci_portp->ahciport_rcvd_fis_dma_handle) != 5752 DDI_SUCCESS) { 5753 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 5754 "rcvd FIS dma handle alloc failed", NULL); 5755 5756 return (AHCI_FAILURE); 5757 } 5758 5759 if (ddi_dma_mem_alloc(ahci_portp->ahciport_rcvd_fis_dma_handle, 5760 rcvd_fis_size, 5761 &accattr, 5762 DDI_DMA_RDWR | DDI_DMA_CONSISTENT, 5763 DDI_DMA_SLEEP, 5764 NULL, 5765 (caddr_t *)&ahci_portp->ahciport_rcvd_fis, 5766 &ret_len, 5767 &ahci_portp->ahciport_rcvd_fis_acc_handle) != NULL) { 5768 5769 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 5770 "rcvd FIS dma mem alloc fail", NULL); 5771 /* error.. free the dma handle. */ 5772 ddi_dma_free_handle(&ahci_portp->ahciport_rcvd_fis_dma_handle); 5773 return (AHCI_FAILURE); 5774 } 5775 5776 if (ddi_dma_addr_bind_handle(ahci_portp->ahciport_rcvd_fis_dma_handle, 5777 NULL, 5778 (caddr_t)ahci_portp->ahciport_rcvd_fis, 5779 rcvd_fis_size, 5780 DDI_DMA_CONSISTENT, 5781 DDI_DMA_SLEEP, 5782 NULL, 5783 &ahci_portp->ahciport_rcvd_fis_dma_cookie, 5784 &cookie_count) != DDI_DMA_MAPPED) { 5785 5786 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 5787 "rcvd FIS dma handle bind fail", NULL); 5788 /* error.. free the dma handle & free the memory. */ 5789 ddi_dma_mem_free(&ahci_portp->ahciport_rcvd_fis_acc_handle); 5790 ddi_dma_free_handle(&ahci_portp->ahciport_rcvd_fis_dma_handle); 5791 return (AHCI_FAILURE); 5792 } 5793 5794 bzero((void *)ahci_portp->ahciport_rcvd_fis, rcvd_fis_size); 5795 5796 /* Config Port Received FIS Base Address */ 5797 ddi_put64(ahci_ctlp->ahcictl_ahci_acc_handle, 5798 (uint64_t *)AHCI_PORT_PxFB(ahci_ctlp, port), 5799 ahci_portp->ahciport_rcvd_fis_dma_cookie.dmac_laddress); 5800 5801 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "64-bit, dma address: 0x%llx", 5802 ahci_portp->ahciport_rcvd_fis_dma_cookie.dmac_laddress); 5803 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "32-bit, dma address: 0x%x", 5804 ahci_portp->ahciport_rcvd_fis_dma_cookie.dmac_address); 5805 5806 return (AHCI_SUCCESS); 5807} 5808 5809/* 5810 * Deallocates the Received FIS Structure 5811 * 5812 * WARNING!!! ahciport_mutex should be acquired before the function 5813 * is called. 5814 */ 5815static void 5816ahci_dealloc_rcvd_fis(ahci_port_t *ahci_portp) 5817{ 5818 /* Unbind the cmd list dma handle first. */ 5819 (void) ddi_dma_unbind_handle(ahci_portp->ahciport_rcvd_fis_dma_handle); 5820 5821 /* Then free the underlying memory. */ 5822 ddi_dma_mem_free(&ahci_portp->ahciport_rcvd_fis_acc_handle); 5823 5824 /* Now free the handle itself. */ 5825 ddi_dma_free_handle(&ahci_portp->ahciport_rcvd_fis_dma_handle); 5826} 5827 5828/* 5829 * Allocates memory for the Command List, which contains up to 32 entries. 5830 * Each entry contains a command header, which is a 32-byte structure that 5831 * includes the pointer to the command table. 5832 * 5833 * WARNING!!! ahciport_mutex should be acquired before the function 5834 * is called. 5835 */ 5836static int 5837ahci_alloc_cmd_list(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 5838 uint8_t port) 5839{ 5840 size_t cmd_list_size; 5841 size_t ret_len; 5842 uint_t cookie_count; 5843 5844 cmd_list_size = 5845 ahci_ctlp->ahcictl_num_cmd_slots * sizeof (ahci_cmd_header_t); 5846 5847 /* allocate cmd list dma handle. */ 5848 if (ddi_dma_alloc_handle(ahci_ctlp->ahcictl_dip, 5849 &ahci_ctlp->ahcictl_cmd_list_dma_attr, 5850 DDI_DMA_SLEEP, 5851 NULL, 5852 &ahci_portp->ahciport_cmd_list_dma_handle) != DDI_SUCCESS) { 5853 5854 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 5855 "cmd list dma handle alloc failed", NULL); 5856 return (AHCI_FAILURE); 5857 } 5858 5859 if (ddi_dma_mem_alloc(ahci_portp->ahciport_cmd_list_dma_handle, 5860 cmd_list_size, 5861 &accattr, 5862 DDI_DMA_RDWR | DDI_DMA_CONSISTENT, 5863 DDI_DMA_SLEEP, 5864 NULL, 5865 (caddr_t *)&ahci_portp->ahciport_cmd_list, 5866 &ret_len, 5867 &ahci_portp->ahciport_cmd_list_acc_handle) != NULL) { 5868 5869 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 5870 "cmd list dma mem alloc fail", NULL); 5871 /* error.. free the dma handle. */ 5872 ddi_dma_free_handle(&ahci_portp->ahciport_cmd_list_dma_handle); 5873 return (AHCI_FAILURE); 5874 } 5875 5876 if (ddi_dma_addr_bind_handle(ahci_portp->ahciport_cmd_list_dma_handle, 5877 NULL, 5878 (caddr_t)ahci_portp->ahciport_cmd_list, 5879 cmd_list_size, 5880 DDI_DMA_CONSISTENT, 5881 DDI_DMA_SLEEP, 5882 NULL, 5883 &ahci_portp->ahciport_cmd_list_dma_cookie, 5884 &cookie_count) != DDI_DMA_MAPPED) { 5885 5886 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 5887 "cmd list dma handle bind fail", NULL); 5888 /* error.. free the dma handle & free the memory. */ 5889 ddi_dma_mem_free(&ahci_portp->ahciport_cmd_list_acc_handle); 5890 ddi_dma_free_handle(&ahci_portp->ahciport_cmd_list_dma_handle); 5891 return (AHCI_FAILURE); 5892 } 5893 5894 bzero((void *)ahci_portp->ahciport_cmd_list, cmd_list_size); 5895 5896 /* Config Port Command List Base Address */ 5897 ddi_put64(ahci_ctlp->ahcictl_ahci_acc_handle, 5898 (uint64_t *)AHCI_PORT_PxCLB(ahci_ctlp, port), 5899 ahci_portp->ahciport_cmd_list_dma_cookie.dmac_laddress); 5900 5901 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "64-bit, dma address: 0x%llx", 5902 ahci_portp->ahciport_cmd_list_dma_cookie.dmac_laddress); 5903 5904 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "32-bit, dma address: 0x%x", 5905 ahci_portp->ahciport_cmd_list_dma_cookie.dmac_address); 5906 5907 if (ahci_alloc_cmd_tables(ahci_ctlp, ahci_portp) != AHCI_SUCCESS) { 5908 goto err_out; 5909 } 5910 5911 return (AHCI_SUCCESS); 5912 5913err_out: 5914 /* Unbind the cmd list dma handle first. */ 5915 (void) ddi_dma_unbind_handle(ahci_portp->ahciport_cmd_list_dma_handle); 5916 5917 /* Then free the underlying memory. */ 5918 ddi_dma_mem_free(&ahci_portp->ahciport_cmd_list_acc_handle); 5919 5920 /* Now free the handle itself. */ 5921 ddi_dma_free_handle(&ahci_portp->ahciport_cmd_list_dma_handle); 5922 5923 return (AHCI_FAILURE); 5924} 5925 5926/* 5927 * Deallocates the Command List 5928 * 5929 * WARNING!!! ahciport_mutex should be acquired before the function 5930 * is called. 5931 */ 5932static void 5933ahci_dealloc_cmd_list(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp) 5934{ 5935 /* First dealloc command table */ 5936 ahci_dealloc_cmd_tables(ahci_ctlp, ahci_portp); 5937 5938 /* Unbind the cmd list dma handle first. */ 5939 (void) ddi_dma_unbind_handle(ahci_portp->ahciport_cmd_list_dma_handle); 5940 5941 /* Then free the underlying memory. */ 5942 ddi_dma_mem_free(&ahci_portp->ahciport_cmd_list_acc_handle); 5943 5944 /* Now free the handle itself. */ 5945 ddi_dma_free_handle(&ahci_portp->ahciport_cmd_list_dma_handle); 5946} 5947 5948/* 5949 * Allocates memory for all Command Tables, which contains Command FIS, 5950 * ATAPI Command and Physical Region Descriptor Table. 5951 * 5952 * WARNING!!! ahciport_mutex should be acquired before the function 5953 * is called. 5954 */ 5955static int 5956ahci_alloc_cmd_tables(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp) 5957{ 5958 size_t ret_len; 5959 ddi_dma_cookie_t cmd_table_dma_cookie; 5960 uint_t cookie_count; 5961 int slot; 5962 5963 AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, 5964 "ahci_alloc_cmd_tables: port %d enter", 5965 ahci_portp->ahciport_port_num); 5966 5967 for (slot = 0; slot < ahci_ctlp->ahcictl_num_cmd_slots; slot++) { 5968 /* Allocate cmd table dma handle. */ 5969 if (ddi_dma_alloc_handle(ahci_ctlp->ahcictl_dip, 5970 &ahci_ctlp->ahcictl_cmd_table_dma_attr, 5971 DDI_DMA_SLEEP, 5972 NULL, 5973 &ahci_portp->ahciport_cmd_tables_dma_handle[slot]) != 5974 DDI_SUCCESS) { 5975 5976 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 5977 "cmd table dma handle alloc failed", NULL); 5978 5979 goto err_out; 5980 } 5981 5982 if (ddi_dma_mem_alloc( 5983 ahci_portp->ahciport_cmd_tables_dma_handle[slot], 5984 ahci_cmd_table_size, 5985 &accattr, 5986 DDI_DMA_RDWR | DDI_DMA_CONSISTENT, 5987 DDI_DMA_SLEEP, 5988 NULL, 5989 (caddr_t *)&ahci_portp->ahciport_cmd_tables[slot], 5990 &ret_len, 5991 &ahci_portp->ahciport_cmd_tables_acc_handle[slot]) != 5992 NULL) { 5993 5994 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 5995 "cmd table dma mem alloc fail", NULL); 5996 5997 /* error.. free the dma handle. */ 5998 ddi_dma_free_handle( 5999 &ahci_portp->ahciport_cmd_tables_dma_handle[slot]); 6000 goto err_out; 6001 } 6002 6003 if (ddi_dma_addr_bind_handle( 6004 ahci_portp->ahciport_cmd_tables_dma_handle[slot], 6005 NULL, 6006 (caddr_t)ahci_portp->ahciport_cmd_tables[slot], 6007 ahci_cmd_table_size, 6008 DDI_DMA_CONSISTENT, 6009 DDI_DMA_SLEEP, 6010 NULL, 6011 &cmd_table_dma_cookie, 6012 &cookie_count) != DDI_DMA_MAPPED) { 6013 6014 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 6015 "cmd table dma handle bind fail", NULL); 6016 /* error.. free the dma handle & free the memory. */ 6017 ddi_dma_mem_free( 6018 &ahci_portp->ahciport_cmd_tables_acc_handle[slot]); 6019 ddi_dma_free_handle( 6020 &ahci_portp->ahciport_cmd_tables_dma_handle[slot]); 6021 goto err_out; 6022 } 6023 6024 bzero((void *)ahci_portp->ahciport_cmd_tables[slot], 6025 ahci_cmd_table_size); 6026 6027 /* Config Port Command Table Base Address */ 6028 SET_COMMAND_TABLE_BASE_ADDR( 6029 (&ahci_portp->ahciport_cmd_list[slot]), 6030 cmd_table_dma_cookie.dmac_laddress & 0xffffffffull); 6031 6032#ifndef __lock_lint 6033 SET_COMMAND_TABLE_BASE_ADDR_UPPER( 6034 (&ahci_portp->ahciport_cmd_list[slot]), 6035 cmd_table_dma_cookie.dmac_laddress >> 32); 6036#endif 6037 } 6038 6039 return (AHCI_SUCCESS); 6040err_out: 6041 6042 for (slot--; slot >= 0; slot--) { 6043 /* Unbind the cmd table dma handle first */ 6044 (void) ddi_dma_unbind_handle( 6045 ahci_portp->ahciport_cmd_tables_dma_handle[slot]); 6046 6047 /* Then free the underlying memory */ 6048 ddi_dma_mem_free( 6049 &ahci_portp->ahciport_cmd_tables_acc_handle[slot]); 6050 6051 /* Now free the handle itself */ 6052 ddi_dma_free_handle( 6053 &ahci_portp->ahciport_cmd_tables_dma_handle[slot]); 6054 } 6055 6056 return (AHCI_FAILURE); 6057} 6058 6059/* 6060 * Deallocates memory for all Command Tables. 6061 * 6062 * WARNING!!! ahciport_mutex should be acquired before the function 6063 * is called. 6064 */ 6065static void 6066ahci_dealloc_cmd_tables(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp) 6067{ 6068 int slot; 6069 6070 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 6071 "ahci_dealloc_cmd_tables: %d enter", 6072 ahci_portp->ahciport_port_num); 6073 6074 for (slot = 0; slot < ahci_ctlp->ahcictl_num_cmd_slots; slot++) { 6075 /* Unbind the cmd table dma handle first. */ 6076 (void) ddi_dma_unbind_handle( 6077 ahci_portp->ahciport_cmd_tables_dma_handle[slot]); 6078 6079 /* Then free the underlying memory. */ 6080 ddi_dma_mem_free( 6081 &ahci_portp->ahciport_cmd_tables_acc_handle[slot]); 6082 6083 /* Now free the handle itself. */ 6084 ddi_dma_free_handle( 6085 &ahci_portp->ahciport_cmd_tables_dma_handle[slot]); 6086 } 6087} 6088 6089/* 6090 * Update SATA registers at controller ports 6091 * 6092 * WARNING!!! ahciport_mutex should be acquired before those functions 6093 * get called. 6094 */ 6095static void 6096ahci_update_sata_registers(ahci_ctl_t *ahci_ctlp, uint8_t port, 6097 sata_device_t *sd) 6098{ 6099 sd->satadev_scr.sstatus = 6100 ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 6101 (uint32_t *)(AHCI_PORT_PxSSTS(ahci_ctlp, port))); 6102 sd->satadev_scr.serror = 6103 ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 6104 (uint32_t *)(AHCI_PORT_PxSERR(ahci_ctlp, port))); 6105 sd->satadev_scr.scontrol = 6106 ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 6107 (uint32_t *)(AHCI_PORT_PxSCTL(ahci_ctlp, port))); 6108 sd->satadev_scr.sactive = 6109 ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 6110 (uint32_t *)(AHCI_PORT_PxSACT(ahci_ctlp, port))); 6111} 6112 6113/* 6114 * For poll mode, ahci_port_intr will be called to emulate the interrupt 6115 */ 6116static void 6117ahci_port_intr(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port) 6118{ 6119 uint32_t port_intr_status; 6120 uint32_t port_intr_enable; 6121 6122 AHCIDBG(AHCIDBG_INTR|AHCIDBG_ENTRY, ahci_ctlp, 6123 "ahci_port_intr enter: port %d", port); 6124 6125 mutex_enter(&ahci_portp->ahciport_mutex); 6126 if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_POLLING) { 6127 /* For SATA_OPMODE_POLLING commands */ 6128 port_intr_enable = 6129 (AHCI_INTR_STATUS_DHRS | 6130 AHCI_INTR_STATUS_PSS | 6131 AHCI_INTR_STATUS_SDBS | 6132 AHCI_INTR_STATUS_UFS | 6133 AHCI_INTR_STATUS_PCS | 6134 AHCI_INTR_STATUS_PRCS | 6135 AHCI_INTR_STATUS_OFS | 6136 AHCI_INTR_STATUS_INFS | 6137 AHCI_INTR_STATUS_IFS | 6138 AHCI_INTR_STATUS_HBDS | 6139 AHCI_INTR_STATUS_HBFS | 6140 AHCI_INTR_STATUS_TFES); 6141 } else { 6142 /* 6143 * port_intr_enable indicates that the corresponding interrrupt 6144 * reporting is enabled. 6145 */ 6146 port_intr_enable = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 6147 (uint32_t *)AHCI_PORT_PxIE(ahci_ctlp, port)); 6148 } 6149 6150 /* IPMS error in port reset should be ignored according AHCI spec. */ 6151 if (!(ahci_portp->ahciport_flags & AHCI_PORT_FLAG_IGNORE_IPMS)) 6152 port_intr_enable |= AHCI_INTR_STATUS_IPMS; 6153 mutex_exit(&ahci_portp->ahciport_mutex); 6154 6155 /* 6156 * port_intr_stats indicates that the corresponding interrupt 6157 * condition is active. 6158 */ 6159 port_intr_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 6160 (uint32_t *)AHCI_PORT_PxIS(ahci_ctlp, port)); 6161 6162 AHCIDBG(AHCIDBG_INTR, ahci_ctlp, 6163 "ahci_port_intr: port %d, port_intr_status = 0x%x, " 6164 "port_intr_enable = 0x%x", 6165 port, port_intr_status, port_intr_enable); 6166 6167 port_intr_status &= port_intr_enable; 6168 6169 /* First clear the port interrupts status */ 6170 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 6171 (uint32_t *)AHCI_PORT_PxIS(ahci_ctlp, port), 6172 port_intr_status); 6173 6174 /* Check the completed non-queued commands */ 6175 if (port_intr_status & (AHCI_INTR_STATUS_DHRS | 6176 AHCI_INTR_STATUS_PSS)) { 6177 (void) ahci_intr_cmd_cmplt(ahci_ctlp, 6178 ahci_portp, port); 6179 } 6180 6181 /* Check the completed queued commands */ 6182 if (port_intr_status & AHCI_INTR_STATUS_SDBS) { 6183 (void) ahci_intr_set_device_bits(ahci_ctlp, 6184 ahci_portp, port); 6185 } 6186 6187 /* Check the port connect change status interrupt bit */ 6188 if (port_intr_status & AHCI_INTR_STATUS_PCS) { 6189 (void) ahci_intr_port_connect_change(ahci_ctlp, 6190 ahci_portp, port); 6191 } 6192 6193 /* Check the device mechanical presence status interrupt bit */ 6194 if (port_intr_status & AHCI_INTR_STATUS_DMPS) { 6195 (void) ahci_intr_device_mechanical_presence_status( 6196 ahci_ctlp, ahci_portp, port); 6197 } 6198 6199 /* Check the PhyRdy change status interrupt bit */ 6200 if (port_intr_status & AHCI_INTR_STATUS_PRCS) { 6201 (void) ahci_intr_phyrdy_change(ahci_ctlp, ahci_portp, 6202 port); 6203 } 6204 6205 /* 6206 * Check the non-fatal error interrupt bits, there are four 6207 * kinds of non-fatal errors at the time being: 6208 * 6209 * PxIS.UFS - Unknown FIS Error 6210 * PxIS.OFS - Overflow Error 6211 * PxIS.INFS - Interface Non-Fatal Error 6212 * PxIS.IPMS - Incorrect Port Multiplier Status Error 6213 * 6214 * For these non-fatal errors, the HBA can continue to operate, 6215 * so the driver just log the error messages. 6216 */ 6217 if (port_intr_status & (AHCI_INTR_STATUS_UFS | 6218 AHCI_INTR_STATUS_OFS | 6219 AHCI_INTR_STATUS_IPMS | 6220 AHCI_INTR_STATUS_INFS)) { 6221 (void) ahci_intr_non_fatal_error(ahci_ctlp, ahci_portp, 6222 port, port_intr_status); 6223 } 6224 6225 /* 6226 * Check the fatal error interrupt bits, there are four kinds 6227 * of fatal errors for AHCI controllers: 6228 * 6229 * PxIS.HBFS - Host Bus Fatal Error 6230 * PxIS.HBDS - Host Bus Data Error 6231 * PxIS.IFS - Interface Fatal Error 6232 * PxIS.TFES - Task File Error 6233 * 6234 * The fatal error means the HBA can not recover from it by 6235 * itself, and it will try to abort the transfer, and the software 6236 * must intervene to restart the port. 6237 */ 6238 if (port_intr_status & (AHCI_INTR_STATUS_IFS | 6239 AHCI_INTR_STATUS_HBDS | 6240 AHCI_INTR_STATUS_HBFS | 6241 AHCI_INTR_STATUS_TFES)) 6242 (void) ahci_intr_fatal_error(ahci_ctlp, ahci_portp, 6243 port, port_intr_status); 6244 6245 /* Check the cold port detect interrupt bit */ 6246 if (port_intr_status & AHCI_INTR_STATUS_CPDS) { 6247 (void) ahci_intr_cold_port_detect(ahci_ctlp, ahci_portp, port); 6248 } 6249 6250 /* Second clear the corresponding bit in IS.IPS */ 6251 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 6252 (uint32_t *)AHCI_GLOBAL_IS(ahci_ctlp), (0x1 << port)); 6253} 6254 6255/* 6256 * Interrupt service handler 6257 */ 6258static uint_t 6259ahci_intr(caddr_t arg1, caddr_t arg2) 6260{ 6261#ifndef __lock_lint 6262 _NOTE(ARGUNUSED(arg2)) 6263#endif 6264 /* LINTED */ 6265 ahci_ctl_t *ahci_ctlp = (ahci_ctl_t *)arg1; 6266 ahci_port_t *ahci_portp; 6267 int32_t global_intr_status; 6268 uint8_t port; 6269 6270 /* 6271 * global_intr_status indicates that the corresponding port has 6272 * an interrupt pending. 6273 */ 6274 global_intr_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 6275 (uint32_t *)AHCI_GLOBAL_IS(ahci_ctlp)); 6276 6277 if (!(global_intr_status & ahci_ctlp->ahcictl_ports_implemented)) { 6278 /* The interrupt is not ours */ 6279 return (DDI_INTR_UNCLAIMED); 6280 } 6281 6282 /* Loop for all the ports */ 6283 for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { 6284 if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { 6285 continue; 6286 } 6287 if (!((0x1 << port) & global_intr_status)) { 6288 continue; 6289 } 6290 6291 ahci_portp = ahci_ctlp->ahcictl_ports[port]; 6292 6293 /* Call ahci_port_intr */ 6294 ahci_port_intr(ahci_ctlp, ahci_portp, port); 6295 } 6296 6297 return (DDI_INTR_CLAIMED); 6298} 6299 6300/* 6301 * For non-queued commands, when the corresponding bit in the PxCI register 6302 * is cleared, it means the command is completed successfully. And according 6303 * to the HBA state machine, there are three conditions which possibly will 6304 * try to clear the PxCI register bit. 6305 * 1. Receive one D2H Register FIS which is with 'I' bit set 6306 * 2. Update PIO Setup FIS 6307 * 3. Transmit a command and receive R_OK if CTBA.C is set (software reset) 6308 * 6309 * Process completed non-queued commands when the interrupt status bit - 6310 * AHCI_INTR_STATUS_DHRS or AHCI_INTR_STATUS_PSS is set. 6311 * 6312 * AHCI_INTR_STATUS_DHRS means a D2H Register FIS has been received 6313 * with the 'I' bit set. And the following commands will send thus 6314 * FIS with 'I' bit set upon the successful completion: 6315 * 1. Non-data commands 6316 * 2. DMA data-in command 6317 * 3. DMA data-out command 6318 * 4. PIO data-out command 6319 * 5. PACKET non-data commands 6320 * 6. PACKET PIO data-in command 6321 * 7. PACKET PIO data-out command 6322 * 8. PACKET DMA data-in command 6323 * 9. PACKET DMA data-out command 6324 * 6325 * AHCI_INTR_STATUS_PSS means a PIO Setup FIS has been received 6326 * with the 'I' bit set. And the following commands will send this 6327 * FIS upon the successful completion: 6328 * 1. PIO data-in command 6329 */ 6330static int 6331ahci_intr_cmd_cmplt(ahci_ctl_t *ahci_ctlp, 6332 ahci_port_t *ahci_portp, uint8_t port) 6333{ 6334 uint32_t port_cmd_issue = 0; 6335 uint32_t finished_tags; 6336 int finished_slot; 6337 sata_pkt_t *satapkt; 6338 ahci_fis_d2h_register_t *rcvd_fisp; 6339#if AHCI_DEBUG 6340 ahci_cmd_header_t *cmd_header; 6341 uint32_t cmd_dmacount; 6342#endif 6343 6344 mutex_enter(&ahci_portp->ahciport_mutex); 6345 6346 if (!ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) && 6347 !RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp) && 6348 !NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { 6349 /* 6350 * Spurious interrupt. Nothing to be done. 6351 */ 6352 mutex_exit(&ahci_portp->ahciport_mutex); 6353 return (AHCI_SUCCESS); 6354 } 6355 6356 port_cmd_issue = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 6357 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); 6358 6359 if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { 6360 /* Slot 0 is always used during error recovery */ 6361 finished_tags = 0x1 & ~port_cmd_issue; 6362 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 6363 "ahci_intr_cmd_cmplt: port %d the sata pkt for error " 6364 "retrieval is finished, and finished_tags = 0x%x", 6365 port, finished_tags); 6366 } else if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { 6367 finished_tags = 0x1 & ~port_cmd_issue; 6368 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, 6369 "ahci_intr_cmd_cmplt: port %d the sata pkt for r/w " 6370 "port multiplier is finished, and finished_tags = 0x%x", 6371 port, finished_tags); 6372 6373 } else { 6374 6375 finished_tags = ahci_portp->ahciport_pending_tags & 6376 ~port_cmd_issue & AHCI_SLOT_MASK(ahci_ctlp); 6377 } 6378 6379 AHCIDBG(AHCIDBG_INTR, ahci_ctlp, 6380 "ahci_intr_cmd_cmplt: pending_tags = 0x%x, " 6381 "port_cmd_issue = 0x%x finished_tags = 0x%x", 6382 ahci_portp->ahciport_pending_tags, port_cmd_issue, 6383 finished_tags); 6384 6385 if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) && 6386 (finished_tags == 0x1)) { 6387 satapkt = ahci_portp->ahciport_err_retri_pkt; 6388 ASSERT(satapkt != NULL); 6389 6390 AHCIDBG(AHCIDBG_INTR, ahci_ctlp, 6391 "ahci_intr_cmd_cmplt: sending up pkt 0x%p " 6392 "with SATA_PKT_COMPLETED", (void *)satapkt); 6393 6394 SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_COMPLETED); 6395 goto out; 6396 } 6397 6398 if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp) && 6399 (finished_tags == 0x1)) { 6400 satapkt = ahci_portp->ahciport_rdwr_pmult_pkt; 6401 ASSERT(satapkt != NULL); 6402 6403 AHCIDBG(AHCIDBG_INTR, ahci_ctlp, 6404 "ahci_intr_cmd_cmplt: sending up pkt 0x%p " 6405 "with SATA_PKT_COMPLETED", (void *)satapkt); 6406 6407 /* READ PORTMULT need copy out FIS content. */ 6408 if (satapkt->satapkt_cmd.satacmd_flags.sata_special_regs) { 6409 rcvd_fisp = &(ahci_portp->ahciport_rcvd_fis-> 6410 ahcirf_d2h_register_fis); 6411 satapkt->satapkt_cmd.satacmd_status_reg = 6412 GET_RFIS_STATUS(rcvd_fisp); 6413 ahci_copy_out_regs(&satapkt->satapkt_cmd, rcvd_fisp); 6414 } 6415 6416 SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_COMPLETED); 6417 goto out; 6418 } 6419 6420 while (finished_tags) { 6421 finished_slot = ddi_ffs(finished_tags) - 1; 6422 if (finished_slot == -1) { 6423 goto out; 6424 } 6425 6426 satapkt = ahci_portp->ahciport_slot_pkts[finished_slot]; 6427 ASSERT(satapkt != NULL); 6428#if AHCI_DEBUG 6429 /* 6430 * For non-native queued commands, the PRD byte count field 6431 * shall contain an accurate count of the number of bytes 6432 * transferred for the command before the PxCI bit is cleared 6433 * to '0' for the command. 6434 * 6435 * The purpose of this field is to let software know how many 6436 * bytes transferred for a given operation in order to 6437 * determine if underflow occurred. When issuing native command 6438 * queuing commands, this field should not be used and is not 6439 * required to be valid since in this case underflow is always 6440 * illegal. 6441 * 6442 * For data reads, the HBA will update its PRD byte count with 6443 * the total number of bytes received from the last FIS, and 6444 * may be able to continue normally. For data writes, the 6445 * device will detect an error, and HBA most likely will get 6446 * a fatal error. 6447 * 6448 * Therefore, here just put code to debug part. And please 6449 * refer to the comment above ahci_intr_fatal_error for the 6450 * definition of underflow error. 6451 */ 6452 cmd_dmacount = 6453 ahci_portp->ahciport_prd_bytecounts[finished_slot]; 6454 if (cmd_dmacount) { 6455 cmd_header = 6456 &ahci_portp->ahciport_cmd_list[finished_slot]; 6457 AHCIDBG(AHCIDBG_INTR|AHCIDBG_PRDT, ahci_ctlp, 6458 "ahci_intr_cmd_cmplt: port %d, " 6459 "PRD Byte Count = 0x%x, " 6460 "ahciport_prd_bytecounts = 0x%x", port, 6461 cmd_header->ahcich_prd_byte_count, 6462 cmd_dmacount); 6463 6464 if (cmd_header->ahcich_prd_byte_count != cmd_dmacount) { 6465 AHCIDBG(AHCIDBG_UNDERFLOW, ahci_ctlp, 6466 "ahci_intr_cmd_cmplt: port %d, " 6467 "an underflow occurred", port); 6468 } 6469 } 6470#endif 6471 6472 /* 6473 * For SATAC_SMART command with SATA_SMART_RETURN_STATUS 6474 * feature, sata_special_regs flag will be set, and the 6475 * driver should copy the status and the other corresponding 6476 * register values in the D2H Register FIS received (It's 6477 * working on Non-data protocol) from the device back to 6478 * the sata_cmd. 6479 * 6480 * For every AHCI port, there is only one Received FIS 6481 * structure, which contains the FISes received from the 6482 * device, So we're trying to copy the content of D2H 6483 * Register FIS in the Received FIS structure back to 6484 * the sata_cmd. 6485 */ 6486 if (satapkt->satapkt_cmd.satacmd_flags.sata_special_regs) { 6487 rcvd_fisp = &(ahci_portp->ahciport_rcvd_fis-> 6488 ahcirf_d2h_register_fis); 6489 satapkt->satapkt_cmd.satacmd_status_reg = 6490 GET_RFIS_STATUS(rcvd_fisp); 6491 ahci_copy_out_regs(&satapkt->satapkt_cmd, rcvd_fisp); 6492 } 6493 6494 AHCIDBG(AHCIDBG_INTR, ahci_ctlp, 6495 "ahci_intr_cmd_cmplt: sending up pkt 0x%p " 6496 "with SATA_PKT_COMPLETED", (void *)satapkt); 6497 6498 CLEAR_BIT(ahci_portp->ahciport_pending_tags, finished_slot); 6499 CLEAR_BIT(finished_tags, finished_slot); 6500 ahci_portp->ahciport_slot_pkts[finished_slot] = NULL; 6501 6502 SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_COMPLETED); 6503 } 6504out: 6505 AHCIDBG(AHCIDBG_PKTCOMP, ahci_ctlp, 6506 "ahci_intr_cmd_cmplt: pending_tags = 0x%x", 6507 ahci_portp->ahciport_pending_tags); 6508 6509 mutex_exit(&ahci_portp->ahciport_mutex); 6510 6511 return (AHCI_SUCCESS); 6512} 6513 6514/* 6515 * AHCI_INTR_STATUS_SDBS means a Set Device Bits FIS has been received 6516 * with the 'I' bit set and has been copied into system memory. It will 6517 * be sent under the following situations: 6518 * 6519 * 1. NCQ command is completed 6520 * 6521 * The completion of NCQ commands (READ/WRITE FPDMA QUEUED) is performed 6522 * via the Set Device Bits FIS. When such event is generated, the software 6523 * needs to read PxSACT register and compares the current value to the 6524 * list of commands previously issue by software. ahciport_pending_ncq_tags 6525 * keeps the tags of previously issued commands. 6526 * 6527 * 2. Asynchronous Notification 6528 * 6529 * Asynchronous Notification is a feature in SATA spec 2.6. 6530 * 6531 * 1) ATAPI device will send a signal to the host when media is inserted or 6532 * removed and avoids polling the device for media changes. The signal 6533 * sent to the host is a Set Device Bits FIS with the 'I' and 'N' bits 6534 * set to '1'. At the moment, it's not supported yet. 6535 * 6536 * 2) Port multiplier will send a signal to the host when a hot plug event 6537 * has occured on a port multiplier port. It is used when command based 6538 * switching is employed. This is handled by ahci_intr_pmult_sntf_events() 6539 */ 6540static int 6541ahci_intr_set_device_bits(ahci_ctl_t *ahci_ctlp, 6542 ahci_port_t *ahci_portp, uint8_t port) 6543{ 6544 ahci_addr_t addr; 6545 6546 AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INTR, ahci_ctlp, 6547 "ahci_intr_set_device_bits enter: port %d", port); 6548 6549 /* Initialize HBA port address */ 6550 AHCI_ADDR_SET_PORT(&addr, port); 6551 6552 /* NCQ plug handler */ 6553 (void) ahci_intr_ncq_events(ahci_ctlp, ahci_portp, &addr); 6554 6555 /* Check port multiplier's asynchronous notification events */ 6556 if (ahci_ctlp->ahcictl_cap & AHCI_CAP_SNTF) { 6557 (void) ahci_intr_pmult_sntf_events(ahci_ctlp, 6558 ahci_portp, port); 6559 } 6560 6561 /* ATAPI events is not supported yet */ 6562 6563 return (AHCI_SUCCESS); 6564} 6565/* 6566 * NCQ interrupt handler. Called upon a NCQ command is completed. 6567 * Only be called from ahci_intr_set_device_bits(). 6568 * 6569 * WARNING!!! ahciport_mutex should be acquired before the function is 6570 * called. 6571 */ 6572static int 6573ahci_intr_ncq_events(ahci_ctl_t *ahci_ctlp, 6574 ahci_port_t *ahci_portp, ahci_addr_t *addrp) 6575{ 6576 uint32_t port_sactive; 6577 uint32_t port_cmd_issue; 6578 uint32_t issued_tags; 6579 int issued_slot; 6580 uint32_t finished_tags; 6581 int finished_slot; 6582 uint8_t port = addrp->aa_port; 6583 sata_pkt_t *satapkt; 6584 6585 AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INTR|AHCIDBG_NCQ, ahci_ctlp, 6586 "ahci_intr_set_device_bits enter: port %d", port); 6587 6588 mutex_enter(&ahci_portp->ahciport_mutex); 6589 if (!NCQ_CMD_IN_PROGRESS(ahci_portp)) { 6590 mutex_exit(&ahci_portp->ahciport_mutex); 6591 return (AHCI_SUCCESS); 6592 } 6593 6594 /* 6595 * First the handler got which commands are finished by checking 6596 * PxSACT register 6597 */ 6598 port_sactive = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 6599 (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); 6600 6601 finished_tags = ahci_portp->ahciport_pending_ncq_tags & 6602 ~port_sactive & AHCI_NCQ_SLOT_MASK(ahci_portp); 6603 6604 AHCIDBG(AHCIDBG_INTR|AHCIDBG_NCQ, ahci_ctlp, 6605 "ahci_intr_set_device_bits: port %d pending_ncq_tags = 0x%x " 6606 "port_sactive = 0x%x", port, 6607 ahci_portp->ahciport_pending_ncq_tags, port_sactive); 6608 6609 AHCIDBG(AHCIDBG_INTR|AHCIDBG_NCQ, ahci_ctlp, 6610 "ahci_intr_set_device_bits: finished_tags = 0x%x", finished_tags); 6611 6612 /* 6613 * For NCQ commands, the software can determine which command has 6614 * already been transmitted to the device by checking PxCI register. 6615 */ 6616 port_cmd_issue = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 6617 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); 6618 6619 issued_tags = ahci_portp->ahciport_pending_tags & 6620 ~port_cmd_issue & AHCI_SLOT_MASK(ahci_ctlp); 6621 6622 AHCIDBG(AHCIDBG_INTR|AHCIDBG_NCQ, ahci_ctlp, 6623 "ahci_intr_set_device_bits: port %d pending_tags = 0x%x " 6624 "port_cmd_issue = 0x%x", port, 6625 ahci_portp->ahciport_pending_tags, port_cmd_issue); 6626 6627 AHCIDBG(AHCIDBG_INTR|AHCIDBG_NCQ, ahci_ctlp, 6628 "ahci_intr_set_device_bits: issued_tags = 0x%x", issued_tags); 6629 6630 /* 6631 * Clear ahciport_pending_tags bit when the corresponding command 6632 * is already sent down to the device. 6633 */ 6634 while (issued_tags) { 6635 issued_slot = ddi_ffs(issued_tags) - 1; 6636 if (issued_slot == -1) { 6637 goto next; 6638 } 6639 CLEAR_BIT(ahci_portp->ahciport_pending_tags, issued_slot); 6640 CLEAR_BIT(issued_tags, issued_slot); 6641 } 6642 6643next: 6644 while (finished_tags) { 6645 finished_slot = ddi_ffs(finished_tags) - 1; 6646 if (finished_slot == -1) { 6647 goto out; 6648 } 6649 6650 /* The command is certainly transmitted to the device */ 6651 ASSERT(!(ahci_portp->ahciport_pending_tags & 6652 (0x1 << finished_slot))); 6653 6654 satapkt = ahci_portp->ahciport_slot_pkts[finished_slot]; 6655 ASSERT(satapkt != NULL); 6656 6657 AHCIDBG(AHCIDBG_INTR|AHCIDBG_NCQ, ahci_ctlp, 6658 "ahci_intr_set_device_bits: sending up pkt 0x%p " 6659 "with SATA_PKT_COMPLETED", (void *)satapkt); 6660 6661 CLEAR_BIT(ahci_portp->ahciport_pending_ncq_tags, finished_slot); 6662 CLEAR_BIT(finished_tags, finished_slot); 6663 ahci_portp->ahciport_slot_pkts[finished_slot] = NULL; 6664 6665 SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_COMPLETED); 6666 } 6667out: 6668 AHCIDBG(AHCIDBG_PKTCOMP|AHCIDBG_NCQ, ahci_ctlp, 6669 "ahci_intr_set_device_bits: port %d " 6670 "pending_ncq_tags = 0x%x pending_tags = 0x%x", 6671 port, ahci_portp->ahciport_pending_ncq_tags, 6672 ahci_portp->ahciport_pending_tags); 6673 6674 mutex_exit(&ahci_portp->ahciport_mutex); 6675 6676 return (AHCI_SUCCESS); 6677} 6678 6679/* 6680 * Port multiplier asynchronous notification event handler. Called upon a 6681 * device is hot plugged/pulled. 6682 * 6683 * The async-notification event will only be recorded by ahcipmi_snotif_tags 6684 * here and will be handled by ahci_probe_pmult(). 6685 * 6686 * NOTE: called only from ahci_port_intr(). 6687 */ 6688static int 6689ahci_intr_pmult_sntf_events(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 6690 uint8_t port) 6691{ 6692 sata_device_t sdevice; 6693 6694 AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INTR, ahci_ctlp, 6695 "ahci_intr_pmult_sntf_events enter: port %d ", port); 6696 6697 /* no hot-plug while attaching process */ 6698 mutex_enter(&ahci_ctlp->ahcictl_mutex); 6699 if (ahci_ctlp->ahcictl_flags & AHCI_ATTACH) { 6700 mutex_exit(&ahci_ctlp->ahcictl_mutex); 6701 return (AHCI_SUCCESS); 6702 } 6703 mutex_exit(&ahci_ctlp->ahcictl_mutex); 6704 6705 mutex_enter(&ahci_portp->ahciport_mutex); 6706 if (ahci_portp->ahciport_device_type != SATA_DTYPE_PMULT) { 6707 mutex_exit(&ahci_portp->ahciport_mutex); 6708 return (AHCI_SUCCESS); 6709 } 6710 6711 ASSERT(ahci_portp->ahciport_pmult_info != NULL); 6712 6713 ahci_portp->ahciport_pmult_info->ahcipmi_snotif_tags = 6714 ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 6715 (uint32_t *)AHCI_PORT_PxSNTF(ahci_ctlp, port)); 6716 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 6717 (uint32_t *)AHCI_PORT_PxSNTF(ahci_ctlp, port), 6718 AHCI_SNOTIF_CLEAR_ALL); 6719 6720 if (ahci_portp->ahciport_pmult_info->ahcipmi_snotif_tags == 0) { 6721 mutex_exit(&ahci_portp->ahciport_mutex); 6722 return (AHCI_SUCCESS); 6723 } 6724 6725 /* Port Multiplier sub-device hot-plug handler */ 6726 if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { 6727 mutex_exit(&ahci_portp->ahciport_mutex); 6728 return (AHCI_SUCCESS); 6729 } 6730 6731 if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_PMULT_SNTF) { 6732 /* Not allowed to re-enter. */ 6733 mutex_exit(&ahci_portp->ahciport_mutex); 6734 return (AHCI_SUCCESS); 6735 } 6736 6737 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_PMULT_SNTF; 6738 6739 /* 6740 * NOTE: 6741 * Even if Asynchronous Notification is supported (and enabled) by 6742 * both controller and the port multiplier, the content of PxSNTF 6743 * register is always set to 0x8000 by async notification event. We 6744 * need to check GSCR[32] on the port multiplier to find out the 6745 * owner of this event. 6746 * This is not accord with SATA spec 2.6 and needs further 6747 * clarification. 6748 */ 6749 /* hot-plug will not reported while reseting. */ 6750 if (ahci_portp->ahciport_reset_in_progress == 1) { 6751 AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, 6752 "port %d snotif event ignored", port); 6753 ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_PMULT_SNTF; 6754 mutex_exit(&ahci_portp->ahciport_mutex); 6755 return (AHCI_SUCCESS); 6756 } 6757 6758 AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, 6759 "PxSNTF is set to 0x%x by port multiplier", 6760 ahci_portp->ahciport_pmult_info->ahcipmi_snotif_tags); 6761 6762 /* 6763 * Now we need do some necessary operation and inform SATA framework 6764 * that link/device events has happened. 6765 */ 6766 bzero((void *)&sdevice, sizeof (sata_device_t)); 6767 sdevice.satadev_addr.cport = ahci_ctlp-> 6768 ahcictl_port_to_cport[port]; 6769 sdevice.satadev_addr.pmport = SATA_PMULT_HOSTPORT; 6770 sdevice.satadev_addr.qual = SATA_ADDR_PMULT; 6771 sdevice.satadev_state = SATA_PSTATE_PWRON; 6772 6773 /* Just reject packets, do not stop that port. */ 6774 ahci_reject_all_abort_pkts(ahci_ctlp, ahci_portp, port); 6775 6776 mutex_exit(&ahci_portp->ahciport_mutex); 6777 sata_hba_event_notify( 6778 ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, 6779 &sdevice, 6780 SATA_EVNT_PMULT_LINK_CHANGED); 6781 mutex_enter(&ahci_portp->ahciport_mutex); 6782 6783 ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_PMULT_SNTF; 6784 mutex_exit(&ahci_portp->ahciport_mutex); 6785 6786 return (AHCI_SUCCESS); 6787} 6788 6789/* 6790 * 1=Change in Current Connect Status. 0=No change in Current Connect Status. 6791 * This bit reflects the state of PxSERR.DIAG.X. This bit is only cleared 6792 * when PxSERR.DIAG.X is cleared. When PxSERR.DIAG.X is set to one, it 6793 * indicates a COMINIT signal was received. 6794 * 6795 * Hot plug insertion is detected by reception of a COMINIT signal from the 6796 * device. On reception of unsolicited COMINIT, the HBA shall generate a 6797 * COMRESET. If the COMINIT is in responce to a COMRESET, then the HBA shall 6798 * begin the normal communication negotiation sequence as outlined in the 6799 * Serial ATA 1.0a specification. When a COMRESET is sent to the device the 6800 * PxSSTS.DET field shall be cleared to 0h. When a COMINIT is received, the 6801 * PxSSTS.DET field shall be set to 1h. When the communication negotiation 6802 * sequence is complete and PhyRdy is true the PxSSTS.DET field shall be set 6803 * to 3h. Therefore, at the moment the ahci driver is going to check PhyRdy 6804 * to handle hot plug insertion. In this interrupt handler, just do nothing 6805 * but print some log message and clear the bit. 6806 */ 6807static int 6808ahci_intr_port_connect_change(ahci_ctl_t *ahci_ctlp, 6809 ahci_port_t *ahci_portp, uint8_t port) 6810{ 6811#if AHCI_DEBUG 6812 uint32_t port_serror; 6813#endif 6814 6815 mutex_enter(&ahci_portp->ahciport_mutex); 6816 6817#if AHCI_DEBUG 6818 port_serror = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 6819 (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port)); 6820 6821 AHCIDBG(AHCIDBG_INTR|AHCIDBG_ENTRY, ahci_ctlp, 6822 "ahci_intr_port_connect_change: port %d, " 6823 "port_serror = 0x%x", port, port_serror); 6824#endif 6825 6826 /* Clear PxSERR.DIAG.X to clear the interrupt bit */ 6827 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 6828 (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port), 6829 SERROR_EXCHANGED_ERR); 6830 6831 mutex_exit(&ahci_portp->ahciport_mutex); 6832 6833 return (AHCI_SUCCESS); 6834} 6835 6836/* 6837 * Hot Plug Operation for platforms that support Mechanical Presence 6838 * Switches. 6839 * 6840 * When set, it indicates that a mechanical presence switch attached to this 6841 * port has been opened or closed, which may lead to a change in the connection 6842 * state of the device. This bit is only valid if both CAP.SMPS and PxCMD.MPSP 6843 * are set to '1'. 6844 * 6845 * At the moment, this interrupt is not needed and disabled and we just log 6846 * the debug message. 6847 */ 6848static int 6849ahci_intr_device_mechanical_presence_status(ahci_ctl_t *ahci_ctlp, 6850 ahci_port_t *ahci_portp, uint8_t port) 6851{ 6852 uint32_t cap_status, port_cmd_status; 6853 6854 AHCIDBG(AHCIDBG_INTR|AHCIDBG_ENTRY, ahci_ctlp, 6855 "ahci_intr_device_mechanical_presence_status enter, " 6856 "port %d", port); 6857 6858 cap_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 6859 (uint32_t *)AHCI_GLOBAL_CAP(ahci_ctlp)); 6860 6861 mutex_enter(&ahci_portp->ahciport_mutex); 6862 port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 6863 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 6864 6865 if (!(cap_status & AHCI_HBA_CAP_SMPS) || 6866 !(port_cmd_status & AHCI_CMD_STATUS_MPSP)) { 6867 AHCIDBG(AHCIDBG_INTR, ahci_ctlp, 6868 "CAP.SMPS or PxCMD.MPSP is not set, so just ignore " 6869 "the interrupt: cap_status = 0x%x, " 6870 "port_cmd_status = 0x%x", cap_status, port_cmd_status); 6871 mutex_exit(&ahci_portp->ahciport_mutex); 6872 6873 return (AHCI_SUCCESS); 6874 } 6875 6876#if AHCI_DEBUG 6877 if (port_cmd_status & AHCI_CMD_STATUS_MPSS) { 6878 AHCIDBG(AHCIDBG_INTR, ahci_ctlp, 6879 "The mechanical presence switch is open: " 6880 "port %d, port_cmd_status = 0x%x", 6881 port, port_cmd_status); 6882 } else { 6883 AHCIDBG(AHCIDBG_INTR, ahci_ctlp, 6884 "The mechanical presence switch is close: " 6885 "port %d, port_cmd_status = 0x%x", 6886 port, port_cmd_status); 6887 } 6888#endif 6889 6890 mutex_exit(&ahci_portp->ahciport_mutex); 6891 6892 return (AHCI_SUCCESS); 6893} 6894 6895/* 6896 * Native Hot Plug Support. 6897 * 6898 * When set, it indicates that the internal PHYRDY signal changed state. 6899 * This bit reflects the state of PxSERR.DIAG.N. 6900 * 6901 * There are three kinds of conditions to generate this interrupt event: 6902 * 1. a device is inserted 6903 * 2. a device is disconnected 6904 * 3. when the link enters/exits a Partial or Slumber interface power 6905 * management state 6906 * 6907 * If inteface power management is enabled for a port, the PxSERR.DIAG.N 6908 * bit may be set due to the link entering the Partial or Slumber power 6909 * management state, rather than due to a hot plug insertion or removal 6910 * event. So far, the interface power management is disabled, so the 6911 * driver can reliably get removal detection notification via the 6912 * PxSERR.DIAG.N bit. 6913 */ 6914static int 6915ahci_intr_phyrdy_change(ahci_ctl_t *ahci_ctlp, 6916 ahci_port_t *ahci_portp, uint8_t port) 6917{ 6918 uint32_t port_sstatus = 0; /* No dev present & PHY not established. */ 6919 sata_device_t sdevice; 6920 int dev_exists_now = 0; 6921 int dev_existed_previously = 0; 6922 ahci_addr_t port_addr; 6923 6924 AHCIDBG(AHCIDBG_INTR|AHCIDBG_ENTRY, ahci_ctlp, 6925 "ahci_intr_phyrdy_change enter, port %d", port); 6926 6927 /* Clear PxSERR.DIAG.N to clear the interrupt bit */ 6928 mutex_enter(&ahci_portp->ahciport_mutex); 6929 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 6930 (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port), 6931 SERROR_PHY_RDY_CHG); 6932 mutex_exit(&ahci_portp->ahciport_mutex); 6933 6934 mutex_enter(&ahci_ctlp->ahcictl_mutex); 6935 if ((ahci_ctlp->ahcictl_sata_hba_tran == NULL) || 6936 (ahci_portp == NULL)) { 6937 /* The whole controller setup is not yet done. */ 6938 mutex_exit(&ahci_ctlp->ahcictl_mutex); 6939 return (AHCI_SUCCESS); 6940 } 6941 mutex_exit(&ahci_ctlp->ahcictl_mutex); 6942 6943 mutex_enter(&ahci_portp->ahciport_mutex); 6944 6945 /* SStatus tells the presence of device. */ 6946 port_sstatus = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 6947 (uint32_t *)AHCI_PORT_PxSSTS(ahci_ctlp, port)); 6948 6949 if (SSTATUS_GET_DET(port_sstatus) == SSTATUS_DET_DEVPRE_PHYCOM) { 6950 dev_exists_now = 1; 6951 } 6952 6953 if (ahci_portp->ahciport_device_type != SATA_DTYPE_NONE) { 6954 dev_existed_previously = 1; 6955 } 6956 6957 if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_NODEV) { 6958 ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_NODEV; 6959 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 6960 "ahci_intr_phyrdy_change: port %d " 6961 "AHCI_PORT_FLAG_NODEV is cleared", port); 6962 if (dev_exists_now == 0) 6963 dev_existed_previously = 1; 6964 } 6965 6966 bzero((void *)&sdevice, sizeof (sata_device_t)); 6967 sdevice.satadev_addr.cport = ahci_ctlp->ahcictl_port_to_cport[port]; 6968 sdevice.satadev_addr.qual = SATA_ADDR_CPORT; 6969 sdevice.satadev_addr.pmport = 0; 6970 sdevice.satadev_state = SATA_PSTATE_PWRON; 6971 ahci_portp->ahciport_port_state = SATA_PSTATE_PWRON; 6972 6973 AHCI_ADDR_SET_PORT(&port_addr, port); 6974 6975 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_HOTPLUG; 6976 if (dev_exists_now) { 6977 if (dev_existed_previously) { /* 1 -> 1 */ 6978 /* Things are fine now. The loss was temporary. */ 6979 AHCIDBG(AHCIDBG_EVENT, ahci_ctlp, 6980 "ahci_intr_phyrdy_change port %d " 6981 "device link lost/established", port); 6982 6983 mutex_exit(&ahci_portp->ahciport_mutex); 6984 sata_hba_event_notify( 6985 ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, 6986 &sdevice, 6987 SATA_EVNT_LINK_LOST|SATA_EVNT_LINK_ESTABLISHED); 6988 mutex_enter(&ahci_portp->ahciport_mutex); 6989 6990 } else { /* 0 -> 1 */ 6991 AHCIDBG(AHCIDBG_EVENT, ahci_ctlp, 6992 "ahci_intr_phyrdy_change: port %d " 6993 "device link established", port); 6994 6995 /* 6996 * A new device has been detected. The new device 6997 * might be a port multiplier instead of a drive, so 6998 * we cannot update the signature directly. 6999 */ 7000 (void) ahci_initialize_port(ahci_ctlp, 7001 ahci_portp, &port_addr); 7002 7003 /* Try to start the port */ 7004 if (ahci_start_port(ahci_ctlp, ahci_portp, port) 7005 != AHCI_SUCCESS) { 7006 sdevice.satadev_state |= SATA_PSTATE_FAILED; 7007 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 7008 "ahci_intr_phyrdy_change: port %d failed " 7009 "at start port", port); 7010 } 7011 7012 /* Clear the max queue depth for inserted device */ 7013 ahci_portp->ahciport_max_ncq_tags = 0; 7014 7015 mutex_exit(&ahci_portp->ahciport_mutex); 7016 sata_hba_event_notify( 7017 ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, 7018 &sdevice, 7019 SATA_EVNT_LINK_ESTABLISHED); 7020 mutex_enter(&ahci_portp->ahciport_mutex); 7021 7022 } 7023 } else { /* No device exists now */ 7024 7025 if (dev_existed_previously) { /* 1 -> 0 */ 7026 AHCIDBG(AHCIDBG_EVENT, ahci_ctlp, 7027 "ahci_intr_phyrdy_change: port %d " 7028 "device link lost", port); 7029 7030 ahci_reject_all_abort_pkts(ahci_ctlp, ahci_portp, port); 7031 (void) ahci_put_port_into_notrunning_state(ahci_ctlp, 7032 ahci_portp, port); 7033 7034 if (ahci_portp->ahciport_device_type == 7035 SATA_DTYPE_PMULT) { 7036 ahci_dealloc_pmult(ahci_ctlp, ahci_portp); 7037 } 7038 7039 /* An existing device is lost. */ 7040 ahci_portp->ahciport_device_type = SATA_DTYPE_NONE; 7041 ahci_portp->ahciport_port_state = SATA_STATE_UNKNOWN; 7042 7043 mutex_exit(&ahci_portp->ahciport_mutex); 7044 sata_hba_event_notify( 7045 ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, 7046 &sdevice, 7047 SATA_EVNT_LINK_LOST); 7048 mutex_enter(&ahci_portp->ahciport_mutex); 7049 } 7050 } 7051 ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_HOTPLUG; 7052 7053 mutex_exit(&ahci_portp->ahciport_mutex); 7054 7055 return (AHCI_SUCCESS); 7056} 7057 7058/* 7059 * PxIS.UFS - Unknown FIS Error 7060 * 7061 * This interrupt event means an unknown FIS was received and has been 7062 * copied into system memory. An unknown FIS is not considered an illegal 7063 * FIS, unless the length received is more than 64 bytes. If an unknown 7064 * FIS arrives with length <= 64 bytes, it is posted and the HBA continues 7065 * normal operation. If the unknown FIS is more than 64 bytes, then it 7066 * won't be posted to memory and PxSERR.ERR.P will be set, which is then 7067 * a fatal error. 7068 * 7069 * PxIS.IPMS - Incorrect Port Multiplier Status 7070 * 7071 * IPMS Indicates that the HBA received a FIS from a device that did not 7072 * have a command outstanding. The IPMS bit may be set during enumeration 7073 * of devices on a Port Multiplier due to the normal Port Multiplier 7074 * enumeration process. It is recommended that IPMS only be used after 7075 * enumeration is complete on the Port Multiplier (copied from spec). 7076 * 7077 * PxIS.OFS - Overflow Error 7078 * 7079 * Command list overflow is defined as software building a command table 7080 * that has fewer total bytes than the transaction given to the device. 7081 * On device writes, the HBA will run out of data, and on reads, there 7082 * will be no room to put the data. 7083 * 7084 * For an overflow on data read, either PIO or DMA, the HBA will set 7085 * PxIS.OFS, and the HBA will do a best effort to continue, and it's a 7086 * non-fatal error when the HBA can continues. Sometimes, it will cause 7087 * a fatal error and need the software to do something. 7088 * 7089 * For an overflow on data write, setting PxIS.OFS is optional for both 7090 * DMA and PIO, and it's a fatal error, and a COMRESET is required by 7091 * software to clean up from this serious error. 7092 * 7093 * PxIS.INFS - Interface Non-Fatal Error 7094 * 7095 * This interrupt event indicates that the HBA encountered an error on 7096 * the Serial ATA interface but was able to continue operation. The kind 7097 * of error usually occurred during a non-Data FIS, and under this condition 7098 * the FIS will be re-transmitted by HBA automatically. 7099 * 7100 * When the FMA is implemented, there should be a stat structure to 7101 * record how many every kind of error happens. 7102 */ 7103static int 7104ahci_intr_non_fatal_error(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 7105 uint8_t port, uint32_t intr_status) 7106{ 7107 uint32_t port_serror; 7108#if AHCI_DEBUG 7109 uint32_t port_cmd_status; 7110 uint32_t port_cmd_issue; 7111 uint32_t port_sactive; 7112 int current_slot; 7113 uint32_t current_tags; 7114 sata_pkt_t *satapkt; 7115 ahci_cmd_header_t *cmd_header; 7116 uint32_t cmd_dmacount; 7117#endif 7118 7119 mutex_enter(&ahci_portp->ahciport_mutex); 7120 7121 port_serror = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 7122 (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port)); 7123 7124 AHCIDBG(AHCIDBG_INTR|AHCIDBG_ENTRY|AHCIDBG_ERRS, ahci_ctlp, 7125 "ahci_intr_non_fatal_error: port %d, " 7126 "PxSERR = 0x%x, PxIS = 0x%x ", port, port_serror, intr_status); 7127 7128 ahci_log_serror_message(ahci_ctlp, port, port_serror, 1); 7129 7130 if (intr_status & AHCI_INTR_STATUS_UFS) { 7131 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 7132 "ahci port %d has unknown FIS error", port); 7133 7134 /* Clear the interrupt bit by clearing PxSERR.DIAG.F */ 7135 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 7136 (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port), 7137 SERROR_FIS_TYPE); 7138 } 7139 7140#if AHCI_DEBUG 7141 if (intr_status & AHCI_INTR_STATUS_IPMS) { 7142 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci port %d " 7143 "has Incorrect Port Multiplier Status error", port); 7144 } 7145 7146 if (intr_status & AHCI_INTR_STATUS_OFS) { 7147 AHCIDBG(AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, 7148 "ahci port %d has overflow error", port); 7149 } 7150 7151 if (intr_status & AHCI_INTR_STATUS_INFS) { 7152 AHCIDBG(AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, 7153 "ahci port %d has interface non fatal error", port); 7154 } 7155 7156 /* 7157 * Record the error occurred command's slot. 7158 */ 7159 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp) || 7160 ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { 7161 port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 7162 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 7163 7164 current_slot = (port_cmd_status & AHCI_CMD_STATUS_CCS) >> 7165 AHCI_CMD_STATUS_CCS_SHIFT; 7166 7167 if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { 7168 satapkt = ahci_portp->ahciport_err_retri_pkt; 7169 ASSERT(satapkt != NULL); 7170 ASSERT(current_slot == 0); 7171 } else { 7172 satapkt = ahci_portp->ahciport_slot_pkts[current_slot]; 7173 } 7174 7175 if (satapkt != NULL) { 7176 AHCIDBG(AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, 7177 "ahci_intr_non_fatal_error: pending_tags = 0x%x " 7178 "cmd 0x%x", ahci_portp->ahciport_pending_tags, 7179 satapkt->satapkt_cmd.satacmd_cmd_reg); 7180 7181 AHCIDBG(AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, 7182 "ahci_intr_non_fatal_error: port %d, " 7183 "satapkt 0x%p is being processed when error occurs", 7184 port, (void *)satapkt); 7185 7186 /* 7187 * PRD Byte Count field of command header is not 7188 * required to reflect the total number of bytes 7189 * transferred when an overflow occurs, so here 7190 * just log the value. 7191 */ 7192 cmd_dmacount = 7193 ahci_portp->ahciport_prd_bytecounts[current_slot]; 7194 if (cmd_dmacount) { 7195 cmd_header = &ahci_portp-> 7196 ahciport_cmd_list[current_slot]; 7197 AHCIDBG(AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, 7198 "ahci_intr_non_fatal_error: port %d, " 7199 "PRD Byte Count = 0x%x, " 7200 "ahciport_prd_bytecounts = 0x%x", port, 7201 cmd_header->ahcich_prd_byte_count, 7202 cmd_dmacount); 7203 } 7204 } 7205 } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { 7206 /* 7207 * For queued command, list those command which have already 7208 * been transmitted to the device and still not completed. 7209 */ 7210 port_sactive = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 7211 (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); 7212 7213 port_cmd_issue = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 7214 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); 7215 7216 AHCIDBG(AHCIDBG_INTR|AHCIDBG_NCQ|AHCIDBG_ERRS, ahci_ctlp, 7217 "ahci_intr_non_fatal_error: pending_ncq_tags = 0x%x " 7218 "port_sactive = 0x%x port_cmd_issue = 0x%x", 7219 ahci_portp->ahciport_pending_ncq_tags, 7220 port_sactive, port_cmd_issue); 7221 7222 current_tags = ahci_portp->ahciport_pending_ncq_tags & 7223 port_sactive & ~port_cmd_issue & 7224 AHCI_NCQ_SLOT_MASK(ahci_portp); 7225 7226 while (current_tags) { 7227 current_slot = ddi_ffs(current_tags) - 1; 7228 if (current_slot == -1) { 7229 goto out; 7230 } 7231 7232 satapkt = ahci_portp->ahciport_slot_pkts[current_slot]; 7233 AHCIDBG(AHCIDBG_INTR|AHCIDBG_NCQ|AHCIDBG_ERRS, 7234 ahci_ctlp, "ahci_intr_non_fatal_error: " 7235 "port %d, satapkt 0x%p is outstanding when " 7236 "error occurs", port, (void *)satapkt); 7237 7238 CLEAR_BIT(current_tags, current_slot); 7239 } 7240 } 7241out: 7242#endif 7243 mutex_exit(&ahci_portp->ahciport_mutex); 7244 7245 return (AHCI_SUCCESS); 7246} 7247 7248/* 7249 * According to the AHCI spec, the error types include system memory 7250 * errors, interface errors, port multiplier errors, device errors, 7251 * command list overflow, command list underflow, native command 7252 * queuing tag errors and pio data transfer errors. 7253 * 7254 * System memory errors such as target abort, master abort, and parity 7255 * may cause the host to stop, and they are serious errors and needed 7256 * to be recovered with software intervention. When system software 7257 * has given a pointer to the HBA that doesn't exist in physical memory, 7258 * a master/target abort error occurs, and PxIS.HBFS will be set. A 7259 * data error such as CRC or parity occurs, the HBA aborts the transfer 7260 * (if necessary) and PxIS.HBDS will be set. 7261 * 7262 * Interface errors are errors that occur due to electrical issues on 7263 * the interface, or protocol miscommunication between the device and 7264 * HBA, and the respective PxSERR register bit will be set. And PxIS.IFS 7265 * (fatal) or PxIS.INFS (non-fatal) will be set. The conditions that 7266 * causes PxIS.IFS/PxIS.INFS to be set are 7267 * 1. in PxSERR.ERR, P bit is set to '1' 7268 * 2. in PxSERR.DIAG, C or H bit is set to '1' 7269 * 3. PhyRdy drop unexpectly, N bit is set to '1' 7270 * If the error occurred during a non-data FIS, the FIS must be 7271 * retransmitted, and the error is non-fatal and PxIS.INFS is set. If 7272 * the error occurred during a data FIS, the transfer will stop, so 7273 * the error is fatal and PxIS.IFS is set. 7274 * 7275 * When a FIS arrives that updates the taskfile, the HBA checks to see 7276 * if PxTFD.STS.ERR is set. If yes, PxIS.TFES will be set and the HBA 7277 * stops processing any more commands. 7278 * 7279 * Command list overflow is defined as software building a command table 7280 * that has fewer total bytes than the transaction given to the device. 7281 * On device writes, the HBA will run out of data, and on reads, there 7282 * will be no room to put the data. For an overflow on data read, either 7283 * PIO or DMA, the HBA will set PxIS.OFS, and it's a non-fatal error. 7284 * For an overflow on data write, setting PxIS.OFS is optional for both 7285 * DMA and PIO, and a COMRESET is required by software to clean up from 7286 * this serious error. 7287 * 7288 * Command list underflow is defined as software building a command 7289 * table that has more total bytes than the transaction given to the 7290 * device. For data writes, both PIO and DMA, the device will detect 7291 * an error and end the transfer. And these errors are most likely going 7292 * to be fatal errors that will cause the port to be restarted. For 7293 * data reads, the HBA updates its PRD byte count, and may be 7294 * able to continue normally, but is not required to. And The HBA is 7295 * not required to detect underflow conditions for native command 7296 * queuing command. 7297 * 7298 * The HBA does not actively check incoming DMA Setup FISes to ensure 7299 * that the PxSACT register bit for that slot is set. Existing error 7300 * mechanisms, such as host bus failure, or bad protocol, are used to 7301 * recover from this case. 7302 * 7303 * In accordance with Serial ATA 1.0a, DATA FISes prior to the final 7304 * DATA FIS must be an integral number of Dwords. If the HBA receives 7305 * a request which is not an integral number of Dwords, the HBA 7306 * set PxSERR.ERR.P to '1', set PxIS.IFS to '1' and stop running until 7307 * software restarts the port. And the HBA ensures that the size 7308 * of the DATA FIS received during a PIO command matches the size in 7309 * the Transfer Cound field of the preceding PIO Setup FIS, if not, the 7310 * HBA sets PxSERR.ERR.P to '1', set PxIS.IFS to '1', and then 7311 * stop running until software restarts the port. 7312 */ 7313/* 7314 * the fatal errors include PxIS.IFS, PxIS.HBDS, PxIS.HBFS and PxIS.TFES. 7315 * 7316 * PxIS.IFS indicates that the hba encountered an error on the serial ata 7317 * interface which caused the transfer to stop. 7318 * 7319 * PxIS.HBDS indicates that the hba encountered a data error 7320 * (uncorrectable ecc/parity) when reading from or writing to system memory. 7321 * 7322 * PxIS.HBFS indicates that the hba encountered a host bus error that it 7323 * cannot recover from, such as a bad software pointer. 7324 * 7325 * PxIS.TFES is set whenever the status register is updated by the device 7326 * and the error bit (bit 0) is set. 7327 */ 7328static int 7329ahci_intr_fatal_error(ahci_ctl_t *ahci_ctlp, 7330 ahci_port_t *ahci_portp, uint8_t port, uint32_t intr_status) 7331{ 7332 uint32_t port_cmd_status; 7333 uint32_t port_serror; 7334 uint32_t task_file_status; 7335 int failed_slot; 7336 sata_pkt_t *spkt = NULL; 7337 uint8_t err_byte; 7338 ahci_event_arg_t *args; 7339 int instance = ddi_get_instance(ahci_ctlp->ahcictl_dip); 7340 7341 mutex_enter(&ahci_portp->ahciport_mutex); 7342 7343 /* 7344 * ahci_intr_phyrdy_change() may have rendered it to 7345 * SATA_DTYPE_NONE. 7346 */ 7347 if (ahci_portp->ahciport_device_type == SATA_DTYPE_NONE) { 7348 AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INTR, ahci_ctlp, 7349 "ahci_intr_fatal_error: port %d no device attached, " 7350 "and just return without doing anything", port); 7351 goto out0; 7352 } 7353 7354 if (intr_status & AHCI_INTR_STATUS_TFES) { 7355 task_file_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 7356 (uint32_t *)AHCI_PORT_PxTFD(ahci_ctlp, port)); 7357 AHCIDBG(AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, 7358 "ahci_intr_fatal_error: port %d " 7359 "task_file_status = 0x%x", port, task_file_status); 7360 } 7361 7362 /* 7363 * Here we just log the fatal error info in interrupt context. 7364 * Misc recovery processing will be handled in task queue. 7365 */ 7366 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { 7367 /* 7368 * Read PxCMD.CCS to determine the slot that the HBA 7369 * was processing when the error occurred. 7370 */ 7371 port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 7372 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 7373 failed_slot = (port_cmd_status & AHCI_CMD_STATUS_CCS) >> 7374 AHCI_CMD_STATUS_CCS_SHIFT; 7375 7376 spkt = ahci_portp->ahciport_slot_pkts[failed_slot]; 7377 AHCIDBG(AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, 7378 "ahci_intr_fatal_error: spkt 0x%p is being processed when " 7379 "fatal error occurred for port %d", spkt, port); 7380 7381 /* A Task File Data error. */ 7382 if (intr_status & AHCI_INTR_STATUS_TFES) { 7383 err_byte = (task_file_status & AHCI_TFD_ERR_MASK) 7384 >> AHCI_TFD_ERR_SHIFT; 7385 7386 /* 7387 * Won't emit the error message if it is an IDENTIFY 7388 * DEVICE command sent to an ATAPI device. 7389 */ 7390 if ((spkt != NULL) && 7391 (spkt->satapkt_cmd.satacmd_cmd_reg == 7392 SATAC_ID_DEVICE) && 7393 (err_byte == SATA_ERROR_ABORT)) 7394 goto out1; 7395 7396 /* 7397 * Won't emit the error message if it is an ATAPI PACKET 7398 * command 7399 */ 7400 if ((spkt != NULL) && 7401 (spkt->satapkt_cmd.satacmd_cmd_reg == SATAC_PACKET)) 7402 goto out1; 7403 } 7404 } 7405 7406 /* print the fatal error type */ 7407 ahci_log_fatal_error_message(ahci_ctlp, port, intr_status); 7408 port_serror = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 7409 (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port)); 7410 7411 /* print PxSERR related error message */ 7412 ahci_log_serror_message(ahci_ctlp, port, port_serror, 0); 7413 7414 /* print task file register value */ 7415 if (intr_status & AHCI_INTR_STATUS_TFES) { 7416 cmn_err(CE_WARN, "!ahci%d: ahci port %d task_file_status " 7417 "= 0x%x", instance, port, task_file_status); 7418 } 7419 7420out1: 7421 /* Prepare the argument for the taskq */ 7422 args = ahci_portp->ahciport_event_args; 7423 args->ahciea_ctlp = (void *)ahci_ctlp; 7424 args->ahciea_portp = (void *)ahci_portp; 7425 args->ahciea_event = intr_status; 7426 AHCI_ADDR_SET_PORT((ahci_addr_t *)args->ahciea_addrp, port); 7427 7428 /* Start the taskq to handle error recovery */ 7429 if ((ddi_taskq_dispatch(ahci_portp->ahciport_event_taskq, 7430 ahci_events_handler, 7431 (void *)args, DDI_NOSLEEP)) != DDI_SUCCESS) { 7432 cmn_err(CE_WARN, "!ahci%d: ahci start taskq for event handler " 7433 "failed", instance); 7434 } 7435out0: 7436 mutex_exit(&ahci_portp->ahciport_mutex); 7437 7438 return (AHCI_SUCCESS); 7439} 7440 7441/* 7442 * Hot Plug Operation for platforms that support Cold Presence Detect. 7443 * 7444 * When set, a device status has changed as detected by the cold presence 7445 * detect logic. This bit can either be set due to a non-connected port 7446 * receiving a device, or a connected port having its device removed. 7447 * This bit is only valid if the port supports cold presence detect as 7448 * indicated by PxCMD.CPD set to '1'. 7449 * 7450 * At the moment, this interrupt is not needed and disabled and we just 7451 * log the debug message. 7452 */ 7453static int 7454ahci_intr_cold_port_detect(ahci_ctl_t *ahci_ctlp, 7455 ahci_port_t *ahci_portp, uint8_t port) 7456{ 7457 uint32_t port_cmd_status; 7458 sata_device_t sdevice; 7459 7460 AHCIDBG(AHCIDBG_INTR, ahci_ctlp, 7461 "ahci_intr_cold_port_detect enter, port %d", port); 7462 7463 mutex_enter(&ahci_portp->ahciport_mutex); 7464 7465 port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 7466 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 7467 if (!(port_cmd_status & AHCI_CMD_STATUS_CPD)) { 7468 AHCIDBG(AHCIDBG_INTR, ahci_ctlp, 7469 "port %d does not support cold presence detect, so " 7470 "we just ignore this interrupt", port); 7471 mutex_exit(&ahci_portp->ahciport_mutex); 7472 return (AHCI_SUCCESS); 7473 } 7474 7475 AHCIDBG(AHCIDBG_INTR, ahci_ctlp, 7476 "port %d device status has changed", port); 7477 7478 bzero((void *)&sdevice, sizeof (sata_device_t)); 7479 sdevice.satadev_addr.cport = ahci_ctlp->ahcictl_port_to_cport[port]; 7480 sdevice.satadev_addr.qual = SATA_ADDR_CPORT; 7481 sdevice.satadev_addr.pmport = 0; 7482 sdevice.satadev_state = SATA_PSTATE_PWRON; 7483 7484 if (port_cmd_status & AHCI_CMD_STATUS_CPS) { 7485 AHCIDBG(AHCIDBG_INTR, ahci_ctlp, 7486 "port %d: a device is hot plugged", port); 7487 mutex_exit(&ahci_portp->ahciport_mutex); 7488 sata_hba_event_notify( 7489 ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, 7490 &sdevice, 7491 SATA_EVNT_DEVICE_ATTACHED); 7492 mutex_enter(&ahci_portp->ahciport_mutex); 7493 7494 } else { 7495 AHCIDBG(AHCIDBG_INTR, ahci_ctlp, 7496 "port %d: a device is hot unplugged", port); 7497 mutex_exit(&ahci_portp->ahciport_mutex); 7498 sata_hba_event_notify( 7499 ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, 7500 &sdevice, 7501 SATA_EVNT_DEVICE_DETACHED); 7502 mutex_enter(&ahci_portp->ahciport_mutex); 7503 } 7504 7505 mutex_exit(&ahci_portp->ahciport_mutex); 7506 7507 return (AHCI_SUCCESS); 7508} 7509 7510/* 7511 * Enable the interrupts for a particular port. 7512 * 7513 * WARNING!!! ahciport_mutex should be acquired before the function 7514 * is called. 7515 */ 7516static void 7517ahci_enable_port_intrs(ahci_ctl_t *ahci_ctlp, uint8_t port) 7518{ 7519 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 7520 "ahci_enable_port_intrs enter, port %d", port); 7521 7522 /* 7523 * Clear port interrupt status before enabling interrupt 7524 */ 7525 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 7526 (uint32_t *)AHCI_PORT_PxIS(ahci_ctlp, port), 7527 AHCI_PORT_INTR_MASK); 7528 7529 /* 7530 * Clear the pending bit from IS.IPS 7531 */ 7532 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 7533 (uint32_t *)AHCI_GLOBAL_IS(ahci_ctlp), (1 << port)); 7534 7535 /* 7536 * Enable the following interrupts: 7537 * Device to Host Register FIS Interrupt (DHRS) 7538 * PIO Setup FIS Interrupt (PSS) 7539 * Set Device Bits Interrupt (SDBS) 7540 * Unknown FIS Interrupt (UFS) 7541 * Port Connect Change Status (PCS) 7542 * PhyRdy Change Status (PRCS) 7543 * Overflow Status (OFS) 7544 * Interface Non-fatal Error Status (INFS) 7545 * Interface Fatal Error Status (IFS) 7546 * Host Bus Data Error Status (HBDS) 7547 * Host Bus Fatal Error Status (HBFS) 7548 * Task File Error Status (TFES) 7549 */ 7550 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 7551 (uint32_t *)AHCI_PORT_PxIE(ahci_ctlp, port), 7552 (AHCI_INTR_STATUS_DHRS | 7553 AHCI_INTR_STATUS_PSS | 7554 AHCI_INTR_STATUS_SDBS | 7555 AHCI_INTR_STATUS_UFS | 7556 AHCI_INTR_STATUS_DPS | 7557 AHCI_INTR_STATUS_PCS | 7558 AHCI_INTR_STATUS_PRCS | 7559 AHCI_INTR_STATUS_OFS | 7560 AHCI_INTR_STATUS_INFS | 7561 AHCI_INTR_STATUS_IFS | 7562 AHCI_INTR_STATUS_HBDS | 7563 AHCI_INTR_STATUS_HBFS | 7564 AHCI_INTR_STATUS_TFES)); 7565} 7566 7567/* 7568 * Enable interrupts for all the ports. 7569 * 7570 * WARNING!!! ahcictl_mutex should be acquired before the function 7571 * is called. 7572 */ 7573static void 7574ahci_enable_all_intrs(ahci_ctl_t *ahci_ctlp) 7575{ 7576 uint32_t ghc_control; 7577 7578 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_enable_all_intrs enter", NULL); 7579 7580 ghc_control = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 7581 (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp)); 7582 7583 ghc_control |= AHCI_HBA_GHC_IE; 7584 7585 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 7586 (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp), ghc_control); 7587} 7588 7589/* 7590 * Disable interrupts for a particular port. 7591 * 7592 * WARNING!!! ahciport_mutex should be acquired before the function 7593 * is called. 7594 */ 7595static void 7596ahci_disable_port_intrs(ahci_ctl_t *ahci_ctlp, uint8_t port) 7597{ 7598 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 7599 "ahci_disable_port_intrs enter, port %d", port); 7600 7601 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 7602 (uint32_t *)AHCI_PORT_PxIE(ahci_ctlp, port), 0); 7603} 7604 7605/* 7606 * Disable interrupts for the whole HBA. 7607 * 7608 * The global bit is cleared, then all interrupt sources from all 7609 * ports are disabled. 7610 * 7611 * WARNING!!! ahcictl_mutex should be acquired before the function 7612 * is called. 7613 */ 7614static void 7615ahci_disable_all_intrs(ahci_ctl_t *ahci_ctlp) 7616{ 7617 uint32_t ghc_control; 7618 7619 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_disable_all_intrs enter", 7620 NULL); 7621 7622 ghc_control = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 7623 (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp)); 7624 7625 ghc_control &= ~ AHCI_HBA_GHC_IE; 7626 7627 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 7628 (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp), ghc_control); 7629} 7630 7631/* 7632 * Handle FIXED or MSI interrupts. 7633 */ 7634/* 7635 * According to AHCI spec, the HBA may support several interrupt modes: 7636 * * pin based interrupts (FIXED) 7637 * * single MSI message interrupts 7638 * * multiple MSI based message interrupts 7639 * 7640 * For pin based interrupts, the software interrupt handler need to check IS 7641 * register to find out which port has pending interrupts. And then check 7642 * PxIS register to find out which interrupt events happened on that port. 7643 * 7644 * For single MSI message interrupts, MSICAP.MC.MSIE is set with '1', and 7645 * MSICAP.MC.MME is set with '0'. This mode is similar to pin based interrupts 7646 * in that software interrupt handler need to check IS register to determine 7647 * which port triggered the interrupts since it uses a single message for all 7648 * port interrupts. 7649 * 7650 * HBA may optionally support multiple MSI message for better performance. In 7651 * this mode, each port may have its own interrupt message, and thus generation 7652 * of interrupts is no longer controlled through the IS register. MSICAP.MC.MMC 7653 * represents a power-of-2 wrapper on the number of implemented ports, and 7654 * the mapping of ports to interrupts is done in a 1-1 relationship, up to the 7655 * maximum number of assigned interrupts. When the number of MSI messages 7656 * allocated is less than the number requested, then hardware may have two 7657 * implementation behaviors: 7658 * * assign each ports its own interrupt and then force all additional 7659 * ports to share the last interrupt message, and this condition is 7660 * indicated by clearing GHC.MRSM to '0' 7661 * * revert to single MSI mode, indicated by setting GHC.MRSM to '1' 7662 * When multiple-message MSI is enabled, hardware will still set IS register 7663 * as single message case. And this IS register may be used by software when 7664 * fewer than the requested number of messages is granted in order to determine 7665 * which port had the interrupt. 7666 * 7667 * Note: The current ahci driver only supports the first two interrupt modes: 7668 * pin based interrupts and single MSI message interrupts, and the reason 7669 * is indicated in below code. 7670 */ 7671static int 7672ahci_add_intrs(ahci_ctl_t *ahci_ctlp, int intr_type) 7673{ 7674 dev_info_t *dip = ahci_ctlp->ahcictl_dip; 7675 int count, avail, actual; 7676 int i, rc; 7677 7678 AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INIT|AHCIDBG_INTR, ahci_ctlp, 7679 "ahci_add_intrs enter interrupt type 0x%x", intr_type); 7680 7681 /* get number of interrupts. */ 7682 rc = ddi_intr_get_nintrs(dip, intr_type, &count); 7683 if ((rc != DDI_SUCCESS) || (count == 0)) { 7684 AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, 7685 "ddi_intr_get_nintrs() failed, " 7686 "rc %d count %d\n", rc, count); 7687 return (DDI_FAILURE); 7688 } 7689 7690 /* get number of available interrupts. */ 7691 rc = ddi_intr_get_navail(dip, intr_type, &avail); 7692 if ((rc != DDI_SUCCESS) || (avail == 0)) { 7693 AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, 7694 "ddi_intr_get_navail() failed, " 7695 "rc %d avail %d\n", rc, avail); 7696 return (DDI_FAILURE); 7697 } 7698 7699#if AHCI_DEBUG 7700 if (avail < count) { 7701 AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, 7702 "ddi_intr_get_nintrs returned %d, navail() returned %d", 7703 count, avail); 7704 } 7705#endif 7706 7707 /* 7708 * Note: So far Solaris restricts the maximum number of messages for 7709 * x86 to 2, that is avail is 2, so here we set the count with 1 to 7710 * force the driver to use single MSI message interrupt. In future if 7711 * Solaris remove the restriction, then we need to delete the below 7712 * code and try to use multiple interrupt routine to gain better 7713 * performance. 7714 */ 7715 if ((intr_type == DDI_INTR_TYPE_MSI) && (count > 1)) { 7716 AHCIDBG(AHCIDBG_INTR, ahci_ctlp, 7717 "force to use one interrupt routine though the " 7718 "HBA supports %d interrupt", count); 7719 count = 1; 7720 } 7721 7722 /* Allocate an array of interrupt handles. */ 7723 ahci_ctlp->ahcictl_intr_size = count * sizeof (ddi_intr_handle_t); 7724 ahci_ctlp->ahcictl_intr_htable = 7725 kmem_alloc(ahci_ctlp->ahcictl_intr_size, KM_SLEEP); 7726 7727 /* call ddi_intr_alloc(). */ 7728 rc = ddi_intr_alloc(dip, ahci_ctlp->ahcictl_intr_htable, 7729 intr_type, 0, count, &actual, DDI_INTR_ALLOC_NORMAL); 7730 7731 if ((rc != DDI_SUCCESS) || (actual == 0)) { 7732 AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, 7733 "ddi_intr_alloc() failed, rc %d count %d actual %d " 7734 "avail %d\n", rc, count, actual, avail); 7735 kmem_free(ahci_ctlp->ahcictl_intr_htable, 7736 ahci_ctlp->ahcictl_intr_size); 7737 return (DDI_FAILURE); 7738 } 7739 7740 /* use interrupt count returned */ 7741#if AHCI_DEBUG 7742 if (actual < count) { 7743 AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, 7744 "Requested: %d, Received: %d", count, actual); 7745 } 7746#endif 7747 7748 ahci_ctlp->ahcictl_intr_cnt = actual; 7749 7750 /* 7751 * Get priority for first, assume remaining are all the same. 7752 */ 7753 if (ddi_intr_get_pri(ahci_ctlp->ahcictl_intr_htable[0], 7754 &ahci_ctlp->ahcictl_intr_pri) != DDI_SUCCESS) { 7755 AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, 7756 "ddi_intr_get_pri() failed", NULL); 7757 7758 /* Free already allocated intr. */ 7759 for (i = 0; i < actual; i++) { 7760 (void) ddi_intr_free(ahci_ctlp->ahcictl_intr_htable[i]); 7761 } 7762 7763 kmem_free(ahci_ctlp->ahcictl_intr_htable, 7764 ahci_ctlp->ahcictl_intr_size); 7765 return (DDI_FAILURE); 7766 } 7767 7768 /* Test for high level interrupt. */ 7769 if (ahci_ctlp->ahcictl_intr_pri >= ddi_intr_get_hilevel_pri()) { 7770 AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, 7771 "ahci_add_intrs: Hi level intr not supported", NULL); 7772 7773 /* Free already allocated intr. */ 7774 for (i = 0; i < actual; i++) { 7775 (void) ddi_intr_free(ahci_ctlp->ahcictl_intr_htable[i]); 7776 } 7777 7778 kmem_free(ahci_ctlp->ahcictl_intr_htable, 7779 sizeof (ddi_intr_handle_t)); 7780 7781 return (DDI_FAILURE); 7782 } 7783 7784 /* Call ddi_intr_add_handler(). */ 7785 for (i = 0; i < actual; i++) { 7786 if (ddi_intr_add_handler(ahci_ctlp->ahcictl_intr_htable[i], 7787 ahci_intr, (caddr_t)ahci_ctlp, NULL) != DDI_SUCCESS) { 7788 AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, 7789 "ddi_intr_add_handler() failed", NULL); 7790 7791 /* Free already allocated intr. */ 7792 for (i = 0; i < actual; i++) { 7793 (void) ddi_intr_free( 7794 ahci_ctlp->ahcictl_intr_htable[i]); 7795 } 7796 7797 kmem_free(ahci_ctlp->ahcictl_intr_htable, 7798 ahci_ctlp->ahcictl_intr_size); 7799 return (DDI_FAILURE); 7800 } 7801 } 7802 7803 if (ddi_intr_get_cap(ahci_ctlp->ahcictl_intr_htable[0], 7804 &ahci_ctlp->ahcictl_intr_cap) != DDI_SUCCESS) { 7805 AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, 7806 "ddi_intr_get_cap() failed", NULL); 7807 7808 /* Free already allocated intr. */ 7809 for (i = 0; i < actual; i++) { 7810 (void) ddi_intr_free( 7811 ahci_ctlp->ahcictl_intr_htable[i]); 7812 } 7813 7814 kmem_free(ahci_ctlp->ahcictl_intr_htable, 7815 ahci_ctlp->ahcictl_intr_size); 7816 return (DDI_FAILURE); 7817 } 7818 7819 if (ahci_ctlp->ahcictl_intr_cap & DDI_INTR_FLAG_BLOCK) { 7820 /* Call ddi_intr_block_enable() for MSI. */ 7821 (void) ddi_intr_block_enable(ahci_ctlp->ahcictl_intr_htable, 7822 ahci_ctlp->ahcictl_intr_cnt); 7823 } else { 7824 /* Call ddi_intr_enable() for FIXED or MSI non block enable. */ 7825 for (i = 0; i < ahci_ctlp->ahcictl_intr_cnt; i++) { 7826 (void) ddi_intr_enable( 7827 ahci_ctlp->ahcictl_intr_htable[i]); 7828 } 7829 } 7830 7831 return (DDI_SUCCESS); 7832} 7833 7834/* 7835 * Removes the registered interrupts irrespective of whether they 7836 * were legacy or MSI. 7837 * 7838 * WARNING!!! The controller interrupts must be disabled before calling 7839 * this routine. 7840 */ 7841static void 7842ahci_rem_intrs(ahci_ctl_t *ahci_ctlp) 7843{ 7844 int x; 7845 7846 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_rem_intrs entered", NULL); 7847 7848 /* Disable all interrupts. */ 7849 if ((ahci_ctlp->ahcictl_intr_type == DDI_INTR_TYPE_MSI) && 7850 (ahci_ctlp->ahcictl_intr_cap & DDI_INTR_FLAG_BLOCK)) { 7851 /* Call ddi_intr_block_disable(). */ 7852 (void) ddi_intr_block_disable(ahci_ctlp->ahcictl_intr_htable, 7853 ahci_ctlp->ahcictl_intr_cnt); 7854 } else { 7855 for (x = 0; x < ahci_ctlp->ahcictl_intr_cnt; x++) { 7856 (void) ddi_intr_disable( 7857 ahci_ctlp->ahcictl_intr_htable[x]); 7858 } 7859 } 7860 7861 /* Call ddi_intr_remove_handler(). */ 7862 for (x = 0; x < ahci_ctlp->ahcictl_intr_cnt; x++) { 7863 (void) ddi_intr_remove_handler( 7864 ahci_ctlp->ahcictl_intr_htable[x]); 7865 (void) ddi_intr_free(ahci_ctlp->ahcictl_intr_htable[x]); 7866 } 7867 7868 kmem_free(ahci_ctlp->ahcictl_intr_htable, ahci_ctlp->ahcictl_intr_size); 7869} 7870 7871/* 7872 * This routine tries to put port into P:NotRunning state by clearing 7873 * PxCMD.ST. HBA will clear PxCI to 0h, PxSACT to 0h, PxCMD.CCS to 0h 7874 * and PxCMD.CR to '0'. 7875 * 7876 * WARNING!!! ahciport_mutex should be acquired before the function 7877 * is called. 7878 */ 7879static int 7880ahci_put_port_into_notrunning_state(ahci_ctl_t *ahci_ctlp, 7881 ahci_port_t *ahci_portp, uint8_t port) 7882{ 7883 uint32_t port_cmd_status; 7884 int loop_count; 7885 7886 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 7887 "ahci_put_port_into_notrunning_state enter: port %d", port); 7888 7889 port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 7890 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 7891 7892 port_cmd_status &= ~AHCI_CMD_STATUS_ST; 7893 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 7894 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), port_cmd_status); 7895 7896 /* Wait until PxCMD.CR is cleared */ 7897 loop_count = 0; 7898 do { 7899 port_cmd_status = 7900 ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 7901 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 7902 7903 if (loop_count++ > AHCI_POLLRATE_PORT_IDLE) { 7904 AHCIDBG(AHCIDBG_INIT, ahci_ctlp, 7905 "clearing port %d CMD.CR timeout, " 7906 "port_cmd_status = 0x%x", port, 7907 port_cmd_status); 7908 /* 7909 * We are effectively timing out after 0.5 sec. 7910 * This value is specified in AHCI spec. 7911 */ 7912 break; 7913 } 7914 7915 /* Wait for 10 millisec */ 7916 drv_usecwait(AHCI_10MS_USECS); 7917 } while (port_cmd_status & AHCI_CMD_STATUS_CR); 7918 7919 ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_STARTED; 7920 7921 if (port_cmd_status & AHCI_CMD_STATUS_CR) { 7922 AHCIDBG(AHCIDBG_INIT|AHCIDBG_POLL_LOOP, ahci_ctlp, 7923 "ahci_put_port_into_notrunning_state: failed to clear " 7924 "PxCMD.CR to '0' after loop count: %d, and " 7925 "port_cmd_status = 0x%x", loop_count, port_cmd_status); 7926 return (AHCI_FAILURE); 7927 } else { 7928 AHCIDBG(AHCIDBG_INIT|AHCIDBG_POLL_LOOP, ahci_ctlp, 7929 "ahci_put_port_into_notrunning_state: succeeded to clear " 7930 "PxCMD.CR to '0' after loop count: %d, and " 7931 "port_cmd_status = 0x%x", loop_count, port_cmd_status); 7932 return (AHCI_SUCCESS); 7933 } 7934} 7935 7936/* 7937 * First clear PxCMD.ST, and then check PxTFD. If both PxTFD.STS.BSY 7938 * and PxTFD.STS.DRQ cleared to '0', it means the device is in a 7939 * stable state, then set PxCMD.ST to '1' to start the port directly. 7940 * If PxTFD.STS.BSY or PxTFD.STS.DRQ is set to '1', then issue a 7941 * COMRESET to the device to put it in an idle state. 7942 * 7943 * The fifth argument returns whether the port reset is involved during 7944 * the process. 7945 * 7946 * The routine will be called under following scenarios: 7947 * + To reset the HBA 7948 * + To abort the packet(s) 7949 * + To reset the port 7950 * + To activate the port 7951 * + Fatal error recovery 7952 * + To abort the timeout packet(s) 7953 * 7954 * WARNING!!! ahciport_mutex should be acquired before the function 7955 * is called. And ahciport_mutex will be released before the reset 7956 * event is reported to sata module by calling sata_hba_event_notify, 7957 * and then be acquired again later. 7958 * 7959 * NOTES!!! During this procedure, PxSERR register will be cleared, and 7960 * according to the spec, the clearance of three bits will also clear 7961 * three interrupt status bits. 7962 * 1. PxSERR.DIAG.F will clear PxIS.UFS 7963 * 2. PxSERR.DIAG.X will clear PxIS.PCS 7964 * 3. PxSERR.DIAG.N will clear PxIS.PRCS 7965 * 7966 * Among these three interrupt events, the driver needs to take care of 7967 * PxIS.PRCS, which is the hot plug event. When the driver found out 7968 * a device was unplugged, it will call the interrupt handler. 7969 */ 7970static int 7971ahci_restart_port_wait_till_ready(ahci_ctl_t *ahci_ctlp, 7972 ahci_port_t *ahci_portp, uint8_t port, int flag, int *reset_flag) 7973{ 7974 uint32_t port_sstatus; 7975 uint32_t task_file_status; 7976 sata_device_t sdevice; 7977 int rval; 7978 ahci_addr_t addr_port; 7979 ahci_pmult_info_t *pminfo = NULL; 7980 int dev_exists_begin = 0; 7981 int dev_exists_end = 0; 7982 uint32_t previous_dev_type = ahci_portp->ahciport_device_type; 7983 int npmport = 0; 7984 uint8_t cport = ahci_ctlp->ahcictl_port_to_cport[port]; 7985 7986 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 7987 "ahci_restart_port_wait_till_ready: port %d enter", port); 7988 7989 AHCI_ADDR_SET_PORT(&addr_port, port); 7990 7991 if (ahci_portp->ahciport_device_type != SATA_DTYPE_NONE) 7992 dev_exists_begin = 1; 7993 7994 /* First clear PxCMD.ST */ 7995 rval = ahci_put_port_into_notrunning_state(ahci_ctlp, ahci_portp, 7996 port); 7997 if (rval != AHCI_SUCCESS) 7998 /* 7999 * If PxCMD.CR does not clear within a reasonable time, it 8000 * may assume the interface is in a hung condition and may 8001 * continue with issuing the port reset. 8002 */ 8003 goto reset; 8004 8005 /* Then clear PxSERR */ 8006 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 8007 (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port), 8008 AHCI_SERROR_CLEAR_ALL); 8009 8010 /* Then get PxTFD */ 8011 task_file_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 8012 (uint32_t *)AHCI_PORT_PxTFD(ahci_ctlp, port)); 8013 8014 /* 8015 * Check whether the device is in a stable status, if yes, 8016 * then start the port directly. However for ahci_tran_reset_dport, 8017 * we may have to perform a port reset. 8018 */ 8019 if (!(task_file_status & (AHCI_TFD_STS_BSY | AHCI_TFD_STS_DRQ)) && 8020 !(flag & AHCI_PORT_RESET)) 8021 goto out; 8022 8023reset: 8024 /* 8025 * If PxTFD.STS.BSY or PxTFD.STS.DRQ is set to '1', then issue 8026 * a COMRESET to the device 8027 */ 8028 ahci_disable_port_intrs(ahci_ctlp, port); 8029 rval = ahci_port_reset(ahci_ctlp, ahci_portp, &addr_port); 8030 ahci_enable_port_intrs(ahci_ctlp, port); 8031 8032#ifdef AHCI_DEBUG 8033 if (rval != AHCI_SUCCESS) 8034 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 8035 "ahci_restart_port_wait_till_ready: port %d failed", 8036 port); 8037#endif 8038 8039 if (reset_flag != NULL) 8040 *reset_flag = 1; 8041 8042 /* Indicate to the framework that a reset has happened. */ 8043 if ((ahci_portp->ahciport_device_type != SATA_DTYPE_NONE) && 8044 (ahci_portp->ahciport_device_type != SATA_DTYPE_PMULT) && 8045 !(flag & AHCI_RESET_NO_EVENTS_UP)) { 8046 /* Set the reset in progress flag */ 8047 ahci_portp->ahciport_reset_in_progress = 1; 8048 8049 bzero((void *)&sdevice, sizeof (sata_device_t)); 8050 sdevice.satadev_addr.cport = 8051 ahci_ctlp->ahcictl_port_to_cport[port]; 8052 sdevice.satadev_addr.pmport = 0; 8053 sdevice.satadev_addr.qual = SATA_ADDR_DCPORT; 8054 8055 sdevice.satadev_state = SATA_DSTATE_RESET | 8056 SATA_DSTATE_PWR_ACTIVE; 8057 if (ahci_ctlp->ahcictl_sata_hba_tran) { 8058 mutex_exit(&ahci_portp->ahciport_mutex); 8059 sata_hba_event_notify( 8060 ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, 8061 &sdevice, 8062 SATA_EVNT_DEVICE_RESET); 8063 mutex_enter(&ahci_portp->ahciport_mutex); 8064 } 8065 8066 AHCIDBG(AHCIDBG_EVENT, ahci_ctlp, 8067 "port %d sending event up: SATA_EVNT_DEVICE_RESET", port); 8068 } else { 8069 ahci_portp->ahciport_reset_in_progress = 0; 8070 } 8071 8072out: 8073 (void) ahci_start_port(ahci_ctlp, ahci_portp, port); 8074 8075 /* SStatus tells the presence of device. */ 8076 port_sstatus = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 8077 (uint32_t *)AHCI_PORT_PxSSTS(ahci_ctlp, port)); 8078 8079 if (SSTATUS_GET_DET(port_sstatus) == SSTATUS_DET_DEVPRE_PHYCOM) { 8080 dev_exists_end = 1; 8081 } 8082 8083 if (dev_exists_begin == 0 && dev_exists_end == 0) /* 0 -> 0 */ 8084 return (rval); 8085 8086 /* Check whether a hot plug event happened */ 8087 if (dev_exists_begin == 1 && dev_exists_end == 0) { /* 1 -> 0 */ 8088 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 8089 "ahci_restart_port_wait_till_ready: port %d " 8090 "device is removed", port); 8091 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_NODEV; 8092 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 8093 "ahci_restart_port_wait_till_ready: port %d " 8094 "AHCI_PORT_FLAG_NODEV flag is set", port); 8095 mutex_exit(&ahci_portp->ahciport_mutex); 8096 (void) ahci_intr_phyrdy_change(ahci_ctlp, ahci_portp, port); 8097 mutex_enter(&ahci_portp->ahciport_mutex); 8098 8099 return (rval); 8100 } 8101 8102 8103 /* 0/1 -> 1 : device may change */ 8104 /* 8105 * May be called by ahci_fatal_error_recovery_handler, so 8106 * don't issue software if the previous device is ATAPI. 8107 */ 8108 if (ahci_portp->ahciport_device_type == SATA_DTYPE_ATAPI) 8109 return (rval); 8110 8111 /* 8112 * The COMRESET will make port multiplier enter legacy mode. 8113 * Issue a software reset to make it work again. 8114 */ 8115 ahci_find_dev_signature(ahci_ctlp, ahci_portp, &addr_port); 8116 8117 /* 8118 * Following codes are specific for the port multiplier 8119 */ 8120 if (previous_dev_type != SATA_DTYPE_PMULT && 8121 ahci_portp->ahciport_device_type != SATA_DTYPE_PMULT) { 8122 /* in case previous_dev_type is corrupt */ 8123 ahci_dealloc_pmult(ahci_ctlp, ahci_portp); 8124 (void) ahci_start_port(ahci_ctlp, ahci_portp, port); 8125 return (rval); 8126 } 8127 8128 /* Device change: PMult -> Non-PMult */ 8129 if (previous_dev_type == SATA_DTYPE_PMULT && 8130 ahci_portp->ahciport_device_type != SATA_DTYPE_PMULT) { 8131 /* 8132 * This might happen because 8133 * 1. Software reset failed. Port multiplier is not correctly 8134 * enumerated. 8135 * 2. Another non-port-multiplier device is attached. Perhaps 8136 * the port multiplier was replaced by another device by 8137 * whatever reason, but AHCI driver missed hot-plug event. 8138 * 8139 * Now that the port has been initialized, we just need to 8140 * update the port structure according new device, then report 8141 * and wait SATA framework to probe new device. 8142 */ 8143 8144 /* Force to release pmult resource */ 8145 ahci_dealloc_pmult(ahci_ctlp, ahci_portp); 8146 (void) ahci_start_port(ahci_ctlp, ahci_portp, port); 8147 8148 bzero((void *)&sdevice, sizeof (sata_device_t)); 8149 sdevice.satadev_addr.cport = 8150 ahci_ctlp->ahcictl_port_to_cport[port]; 8151 sdevice.satadev_addr.pmport = 0; 8152 sdevice.satadev_addr.qual = SATA_ADDR_DCPORT; 8153 8154 sdevice.satadev_state = SATA_DSTATE_RESET | 8155 SATA_DSTATE_PWR_ACTIVE; 8156 8157 mutex_exit(&ahci_portp->ahciport_mutex); 8158 sata_hba_event_notify( 8159 ahci_ctlp->ahcictl_dip, 8160 &sdevice, 8161 SATA_EVNT_DEVICE_RESET); 8162 mutex_enter(&ahci_portp->ahciport_mutex); 8163 8164 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 8165 "Port multiplier is [Gone] at port %d ", port); 8166 AHCIDBG(AHCIDBG_EVENT, ahci_ctlp, 8167 "port %d sending event up: SATA_EVNT_DEVICE_RESET", port); 8168 8169 return (AHCI_SUCCESS); 8170 } 8171 8172 /* Device change: Non-PMult -> PMult */ 8173 if (ahci_portp->ahciport_device_type == SATA_DTYPE_PMULT) { 8174 8175 /* NOTE: The PxCMD.PMA may be cleared by HBA reset. */ 8176 ahci_alloc_pmult(ahci_ctlp, ahci_portp); 8177 8178 (void) ahci_start_port(ahci_ctlp, ahci_portp, port); 8179 } 8180 pminfo = ahci_portp->ahciport_pmult_info; 8181 ASSERT(pminfo != NULL); 8182 8183 /* Device (may) change: PMult -> PMult */ 8184 /* 8185 * First initialize port multiplier. Set state to READY and wait for 8186 * probe entry point to initialize it 8187 */ 8188 ahci_portp->ahciport_port_state = SATA_STATE_READY; 8189 8190 /* 8191 * It's a little complicated while target is a port multiplier. we 8192 * need to COMRESET all pmports behind that PMult otherwise those 8193 * sub-links between the PMult and the sub-devices will be in an 8194 * inactive state (indicated by PSCR0/PxSSTS) and the following access 8195 * to those sub-devices will be rejected by Link-Fatal-Error. 8196 */ 8197 /* 8198 * The PxSNTF will be set soon after the pmult is plugged. While the 8199 * pmult itself is attaching, sata_hba_event_notfiy will fail. so we 8200 * simply mark every sub-port as 'unknown', then ahci_probe_pmport 8201 * will initialized it. 8202 */ 8203 for (npmport = 0; npmport < pminfo->ahcipmi_num_dev_ports; npmport++) 8204 pminfo->ahcipmi_port_state[npmport] = SATA_STATE_UNKNOWN; 8205 8206 /* Report reset event. */ 8207 ahci_portp->ahciport_reset_in_progress = 1; 8208 8209 bzero((void *)&sdevice, sizeof (sata_device_t)); 8210 sdevice.satadev_addr.cport = cport; 8211 sdevice.satadev_addr.pmport = SATA_PMULT_HOSTPORT; 8212 sdevice.satadev_addr.qual = SATA_ADDR_PMULT; 8213 sdevice.satadev_state = SATA_DSTATE_RESET | SATA_DSTATE_PWR_ACTIVE; 8214 sata_hba_event_notify(ahci_ctlp->ahcictl_dip, &sdevice, 8215 SATA_EVNT_DEVICE_RESET); 8216 8217 return (rval); 8218} 8219 8220/* 8221 * This routine may be called under four scenarios: 8222 * a) do the recovery from fatal error 8223 * b) or we need to timeout some commands 8224 * c) or we need to abort some commands 8225 * d) or we need reset device/port/controller 8226 * 8227 * In all these scenarios, we need to send any pending unfinished 8228 * commands up to sata framework. 8229 * 8230 * WARNING!!! ahciport_mutex should be acquired before the function is called. 8231 */ 8232static void 8233ahci_mop_commands(ahci_ctl_t *ahci_ctlp, 8234 ahci_port_t *ahci_portp, 8235 uint32_t slot_status, 8236 uint32_t failed_tags, 8237 uint32_t timeout_tags, 8238 uint32_t aborted_tags, 8239 uint32_t reset_tags) 8240{ 8241 uint32_t finished_tags = 0; 8242 uint32_t unfinished_tags = 0; 8243 int tmp_slot; 8244 sata_pkt_t *satapkt; 8245 int ncq_cmd_in_progress = 0; 8246 int err_retri_cmd_in_progress = 0; 8247 int rdwr_pmult_cmd_in_progress = 0; 8248 8249 AHCIDBG(AHCIDBG_ERRS|AHCIDBG_ENTRY, ahci_ctlp, 8250 "ahci_mop_commands entered: port: %d slot_status: 0x%x", 8251 ahci_portp->ahciport_port_num, slot_status); 8252 8253 AHCIDBG(AHCIDBG_ERRS|AHCIDBG_ENTRY, ahci_ctlp, 8254 "ahci_mop_commands: failed_tags: 0x%x, " 8255 "timeout_tags: 0x%x aborted_tags: 0x%x, " 8256 "reset_tags: 0x%x", failed_tags, 8257 timeout_tags, aborted_tags, reset_tags); 8258 8259#ifdef AHCI_DEBUG 8260 if (ahci_debug_flags & AHCIDBG_ERRS) { 8261 int i; 8262 char msg_buf[200] = {0, }; 8263 for (i = 0x1f; i >= 0; i--) { 8264 if (ahci_portp->ahciport_slot_pkts[i] != NULL) 8265 msg_buf[i] = 'X'; 8266 else 8267 msg_buf[i] = '.'; 8268 } 8269 msg_buf[0x20] = '\0'; 8270 cmn_err(CE_NOTE, "port[%d] slots: %s", 8271 ahci_portp->ahciport_port_num, msg_buf); 8272 cmn_err(CE_NOTE, "[ERR-RT] %p [RW-PM] %p ", 8273 (void *)ahci_portp->ahciport_err_retri_pkt, 8274 (void *)ahci_portp->ahciport_rdwr_pmult_pkt); 8275 } 8276#endif 8277 8278 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { 8279 finished_tags = ahci_portp->ahciport_pending_tags & 8280 ~slot_status & AHCI_SLOT_MASK(ahci_ctlp); 8281 8282 unfinished_tags = slot_status & 8283 AHCI_SLOT_MASK(ahci_ctlp) & 8284 ~failed_tags & 8285 ~aborted_tags & 8286 ~reset_tags & 8287 ~timeout_tags; 8288 } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { 8289 ncq_cmd_in_progress = 1; 8290 finished_tags = ahci_portp->ahciport_pending_ncq_tags & 8291 ~slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); 8292 8293 unfinished_tags = slot_status & 8294 AHCI_NCQ_SLOT_MASK(ahci_portp) & 8295 ~failed_tags & 8296 ~aborted_tags & 8297 ~reset_tags & 8298 ~timeout_tags; 8299 } else if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { 8300 8301 /* 8302 * When AHCI_PORT_FLAG_RQSENSE or AHCI_PORT_FLAG_RDLOGEXT is 8303 * set, it means REQUEST SENSE or READ LOG EXT command doesn't 8304 * complete successfully due to one of the following three 8305 * conditions: 8306 * 8307 * 1. Fatal error - failed_tags includes its slot 8308 * 2. Timed out - timeout_tags includes its slot 8309 * 3. Aborted when hot unplug - aborted_tags includes its 8310 * slot 8311 * 8312 * Please note that the command is always sent down in Slot 0 8313 */ 8314 err_retri_cmd_in_progress = 1; 8315 AHCIDBG(AHCIDBG_ERRS|AHCIDBG_NCQ, ahci_ctlp, 8316 "ahci_mop_commands is called for port %d while " 8317 "REQUEST SENSE or READ LOG EXT for error retrieval " 8318 "is being executed slot_status = 0x%x", 8319 ahci_portp->ahciport_port_num, slot_status); 8320 ASSERT(ahci_portp->ahciport_mop_in_progress > 1); 8321 ASSERT(slot_status == 0x1); 8322 } else if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { 8323 rdwr_pmult_cmd_in_progress = 1; 8324 AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PMULT, ahci_ctlp, 8325 "ahci_mop_commands is called for port %d while " 8326 "READ/WRITE PORTMULT command is being executed", 8327 ahci_portp->ahciport_port_num); 8328 8329 ASSERT(slot_status == 0x1); 8330 } 8331 8332#ifdef AHCI_DEBUG 8333 AHCIDBG(AHCIDBG_ERRS|AHCIDBG_ENTRY, ahci_ctlp, 8334 "ahci_mop_commands: finished_tags: 0x%x, " 8335 "unfinished_tags 0x%x", finished_tags, unfinished_tags); 8336#endif 8337 8338 /* Send up finished packets with SATA_PKT_COMPLETED */ 8339 while (finished_tags) { 8340 tmp_slot = ddi_ffs(finished_tags) - 1; 8341 if (tmp_slot == -1) { 8342 break; 8343 } 8344 8345 satapkt = ahci_portp->ahciport_slot_pkts[tmp_slot]; 8346 ASSERT(satapkt != NULL); 8347 8348 AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_mop_commands: " 8349 "sending up pkt 0x%p with SATA_PKT_COMPLETED", 8350 (void *)satapkt); 8351 8352 /* 8353 * Cannot fetch the return register content since the port 8354 * was restarted, so the corresponding tag will be set to 8355 * aborted tags. 8356 */ 8357 if (satapkt->satapkt_cmd.satacmd_flags.sata_special_regs) { 8358 CLEAR_BIT(finished_tags, tmp_slot); 8359 aborted_tags |= tmp_slot; 8360 continue; 8361 } 8362 8363 if (ncq_cmd_in_progress) 8364 CLEAR_BIT(ahci_portp->ahciport_pending_ncq_tags, 8365 tmp_slot); 8366 CLEAR_BIT(ahci_portp->ahciport_pending_tags, tmp_slot); 8367 CLEAR_BIT(finished_tags, tmp_slot); 8368 ahci_portp->ahciport_slot_pkts[tmp_slot] = NULL; 8369 8370 SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_COMPLETED); 8371 } 8372 8373 /* Send up failed packets with SATA_PKT_DEV_ERROR. */ 8374 while (failed_tags) { 8375 if (err_retri_cmd_in_progress) { 8376 satapkt = ahci_portp->ahciport_err_retri_pkt; 8377 ASSERT(satapkt != NULL); 8378 ASSERT(failed_tags == 0x1); 8379 8380 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: " 8381 "sending up pkt 0x%p with SATA_PKT_DEV_ERROR", 8382 (void *)satapkt); 8383 SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_DEV_ERROR); 8384 break; 8385 } 8386 if (rdwr_pmult_cmd_in_progress) { 8387 satapkt = ahci_portp->ahciport_rdwr_pmult_pkt; 8388 ASSERT(satapkt != NULL); 8389 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 8390 "ahci_mop_commands: sending up " 8391 "rdwr pmult pkt 0x%p with SATA_PKT_DEV_ERROR", 8392 (void *)satapkt); 8393 SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_DEV_ERROR); 8394 break; 8395 } 8396 8397 tmp_slot = ddi_ffs(failed_tags) - 1; 8398 if (tmp_slot == -1) { 8399 break; 8400 } 8401 8402 satapkt = ahci_portp->ahciport_slot_pkts[tmp_slot]; 8403 ASSERT(satapkt != NULL); 8404 8405 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: " 8406 "sending up pkt 0x%p with SATA_PKT_DEV_ERROR", 8407 (void *)satapkt); 8408 8409 if (ncq_cmd_in_progress) 8410 CLEAR_BIT(ahci_portp->ahciport_pending_ncq_tags, 8411 tmp_slot); 8412 CLEAR_BIT(ahci_portp->ahciport_pending_tags, tmp_slot); 8413 CLEAR_BIT(failed_tags, tmp_slot); 8414 ahci_portp->ahciport_slot_pkts[tmp_slot] = NULL; 8415 8416 SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_DEV_ERROR); 8417 } 8418 8419 /* Send up timeout packets with SATA_PKT_TIMEOUT. */ 8420 while (timeout_tags) { 8421 if (err_retri_cmd_in_progress) { 8422 satapkt = ahci_portp->ahciport_err_retri_pkt; 8423 ASSERT(satapkt != NULL); 8424 ASSERT(timeout_tags == 0x1); 8425 8426 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: " 8427 "sending up pkt 0x%p with SATA_PKT_TIMEOUT", 8428 (void *)satapkt); 8429 SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_TIMEOUT); 8430 break; 8431 } 8432 if (rdwr_pmult_cmd_in_progress) { 8433 satapkt = ahci_portp->ahciport_rdwr_pmult_pkt; 8434 ASSERT(satapkt != NULL); 8435 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 8436 "ahci_mop_commands: sending up " 8437 "rdwr pmult pkt 0x%p with SATA_PKT_TIMEOUT", 8438 (void *)satapkt); 8439 SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_TIMEOUT); 8440 break; 8441 } 8442 8443 tmp_slot = ddi_ffs(timeout_tags) - 1; 8444 if (tmp_slot == -1) { 8445 break; 8446 } 8447 8448 satapkt = ahci_portp->ahciport_slot_pkts[tmp_slot]; 8449 ASSERT(satapkt != NULL); 8450 8451 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: " 8452 "sending up pkt 0x%p with SATA_PKT_TIMEOUT", 8453 (void *)satapkt); 8454 8455 if (ncq_cmd_in_progress) 8456 CLEAR_BIT(ahci_portp->ahciport_pending_ncq_tags, 8457 tmp_slot); 8458 CLEAR_BIT(ahci_portp->ahciport_pending_tags, tmp_slot); 8459 CLEAR_BIT(timeout_tags, tmp_slot); 8460 ahci_portp->ahciport_slot_pkts[tmp_slot] = NULL; 8461 8462 SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_TIMEOUT); 8463 } 8464 8465 /* Send up aborted packets with SATA_PKT_ABORTED */ 8466 while (aborted_tags) { 8467 if (err_retri_cmd_in_progress) { 8468 satapkt = ahci_portp->ahciport_err_retri_pkt; 8469 ASSERT(satapkt != NULL); 8470 ASSERT(aborted_tags == 0x1); 8471 8472 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: " 8473 "sending up pkt 0x%p with SATA_PKT_ABORTED", 8474 (void *)satapkt); 8475 SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_ABORTED); 8476 break; 8477 } 8478 if (rdwr_pmult_cmd_in_progress) { 8479 satapkt = ahci_portp->ahciport_rdwr_pmult_pkt; 8480 ASSERT(satapkt != NULL); 8481 ASSERT(aborted_tags == 0x1); 8482 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 8483 "ahci_mop_commands: sending up " 8484 "rdwr pmult pkt 0x%p with SATA_PKT_ABORTED", 8485 (void *)satapkt); 8486 SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_ABORTED); 8487 break; 8488 } 8489 8490 tmp_slot = ddi_ffs(aborted_tags) - 1; 8491 if (tmp_slot == -1) { 8492 break; 8493 } 8494 8495 satapkt = ahci_portp->ahciport_slot_pkts[tmp_slot]; 8496 ASSERT(satapkt != NULL); 8497 8498 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: " 8499 "sending up pkt 0x%p with SATA_PKT_ABORTED", 8500 (void *)satapkt); 8501 8502 if (ncq_cmd_in_progress) 8503 CLEAR_BIT(ahci_portp->ahciport_pending_ncq_tags, 8504 tmp_slot); 8505 CLEAR_BIT(ahci_portp->ahciport_pending_tags, tmp_slot); 8506 CLEAR_BIT(aborted_tags, tmp_slot); 8507 ahci_portp->ahciport_slot_pkts[tmp_slot] = NULL; 8508 8509 SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_ABORTED); 8510 } 8511 8512 /* Send up reset packets with SATA_PKT_RESET. */ 8513 while (reset_tags) { 8514 if (rdwr_pmult_cmd_in_progress) { 8515 satapkt = ahci_portp->ahciport_rdwr_pmult_pkt; 8516 ASSERT(satapkt != NULL); 8517 ASSERT(aborted_tags == 0x1); 8518 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 8519 "ahci_mop_commands: sending up " 8520 "rdwr pmult pkt 0x%p with SATA_PKT_RESET", 8521 (void *)satapkt); 8522 SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_RESET); 8523 break; 8524 } 8525 8526 tmp_slot = ddi_ffs(reset_tags) - 1; 8527 if (tmp_slot == -1) { 8528 break; 8529 } 8530 8531 satapkt = ahci_portp->ahciport_slot_pkts[tmp_slot]; 8532 ASSERT(satapkt != NULL); 8533 8534 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: " 8535 "sending up pkt 0x%p with SATA_PKT_RESET", 8536 (void *)satapkt); 8537 8538 if (ncq_cmd_in_progress) 8539 CLEAR_BIT(ahci_portp->ahciport_pending_ncq_tags, 8540 tmp_slot); 8541 CLEAR_BIT(ahci_portp->ahciport_pending_tags, tmp_slot); 8542 CLEAR_BIT(reset_tags, tmp_slot); 8543 ahci_portp->ahciport_slot_pkts[tmp_slot] = NULL; 8544 8545 SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_RESET); 8546 } 8547 8548 /* Send up unfinished packets with SATA_PKT_RESET */ 8549 while (unfinished_tags) { 8550 tmp_slot = ddi_ffs(unfinished_tags) - 1; 8551 if (tmp_slot == -1) { 8552 break; 8553 } 8554 8555 satapkt = ahci_portp->ahciport_slot_pkts[tmp_slot]; 8556 ASSERT(satapkt != NULL); 8557 8558 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: " 8559 "sending up pkt 0x%p with SATA_PKT_RESET", 8560 (void *)satapkt); 8561 8562 if (ncq_cmd_in_progress) 8563 CLEAR_BIT(ahci_portp->ahciport_pending_ncq_tags, 8564 tmp_slot); 8565 CLEAR_BIT(ahci_portp->ahciport_pending_tags, tmp_slot); 8566 CLEAR_BIT(unfinished_tags, tmp_slot); 8567 ahci_portp->ahciport_slot_pkts[tmp_slot] = NULL; 8568 8569 SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_RESET); 8570 } 8571 8572 ahci_portp->ahciport_mop_in_progress--; 8573 ASSERT(ahci_portp->ahciport_mop_in_progress >= 0); 8574 8575 if (ahci_portp->ahciport_mop_in_progress == 0) 8576 ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_MOPPING; 8577} 8578 8579/* 8580 * This routine is going to first request a READ LOG EXT sata pkt from sata 8581 * module, and then deliver it to the HBA to get the ncq failure context. 8582 * The return value is the exactly failed tags. 8583 */ 8584static uint32_t 8585ahci_get_rdlogext_data(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 8586 uint8_t port) 8587{ 8588 sata_device_t sdevice; 8589 sata_pkt_t *rdlog_spkt, *spkt; 8590 ddi_dma_handle_t buf_dma_handle; 8591 ahci_addr_t addr; 8592 int loop_count; 8593 int rval; 8594 int failed_slot; 8595 uint32_t failed_tags = 0; 8596 struct sata_ncq_error_recovery_page *ncq_err_page; 8597 8598 AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_NCQ, ahci_ctlp, 8599 "ahci_get_rdlogext_data enter: port %d", port); 8600 8601 /* Prepare the sdevice data */ 8602 bzero((void *)&sdevice, sizeof (sata_device_t)); 8603 sdevice.satadev_addr.cport = ahci_ctlp->ahcictl_port_to_cport[port]; 8604 8605 sdevice.satadev_addr.qual = SATA_ADDR_DCPORT; 8606 sdevice.satadev_addr.pmport = 0; 8607 8608 /* Translate sata_device.satadev_addr -> ahci_addr */ 8609 ahci_get_ahci_addr(ahci_ctlp, &sdevice, &addr); 8610 8611 /* 8612 * Call the sata hba interface to get a rdlog spkt 8613 */ 8614 loop_count = 0; 8615loop: 8616 rdlog_spkt = sata_get_error_retrieval_pkt(ahci_ctlp->ahcictl_dip, 8617 &sdevice, SATA_ERR_RETR_PKT_TYPE_NCQ); 8618 if (rdlog_spkt == NULL) { 8619 if (loop_count++ < AHCI_POLLRATE_GET_SPKT) { 8620 /* Sleep for a while */ 8621 drv_usecwait(AHCI_10MS_USECS); 8622 goto loop; 8623 } 8624 /* Timed out after 1s */ 8625 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 8626 "failed to get rdlog spkt for port %d", port); 8627 return (failed_tags); 8628 } 8629 8630 ASSERT(rdlog_spkt->satapkt_op_mode & SATA_OPMODE_SYNCH); 8631 8632 /* 8633 * This flag is used to handle the specific error recovery when the 8634 * READ LOG EXT command gets a failure (fatal error or time-out). 8635 */ 8636 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_RDLOGEXT; 8637 8638 /* 8639 * This start is not supposed to fail because after port is restarted, 8640 * the whole command list is empty. 8641 */ 8642 ahci_portp->ahciport_err_retri_pkt = rdlog_spkt; 8643 (void) ahci_do_sync_start(ahci_ctlp, ahci_portp, &addr, rdlog_spkt); 8644 ahci_portp->ahciport_err_retri_pkt = NULL; 8645 8646 /* Remove the flag after READ LOG EXT command is completed */ 8647 ahci_portp->ahciport_flags &= ~ AHCI_PORT_FLAG_RDLOGEXT; 8648 8649 if (rdlog_spkt->satapkt_reason == SATA_PKT_COMPLETED) { 8650 /* Update the request log data */ 8651 buf_dma_handle = *(ddi_dma_handle_t *) 8652 (rdlog_spkt->satapkt_cmd.satacmd_err_ret_buf_handle); 8653 rval = ddi_dma_sync(buf_dma_handle, 0, 0, 8654 DDI_DMA_SYNC_FORKERNEL); 8655 if (rval == DDI_SUCCESS) { 8656 ncq_err_page = 8657 (struct sata_ncq_error_recovery_page *)rdlog_spkt-> 8658 satapkt_cmd.satacmd_bp->b_un.b_addr; 8659 8660 /* Get the failed tag */ 8661 failed_slot = ncq_err_page->ncq_tag; 8662 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 8663 "ahci_get_rdlogext_data: port %d " 8664 "failed slot %d", port, failed_slot); 8665 if (failed_slot & NQ) { 8666 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 8667 "the failed slot is not a valid tag", NULL); 8668 goto out; 8669 } 8670 8671 failed_slot &= NCQ_TAG_MASK; 8672 spkt = ahci_portp->ahciport_slot_pkts[failed_slot]; 8673 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 8674 "ahci_get_rdlogext_data: failed spkt 0x%p", 8675 (void *)spkt); 8676 if (spkt == NULL) { 8677 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 8678 "the failed slot spkt is NULL", NULL); 8679 goto out; 8680 } 8681 8682 failed_tags = 0x1 << failed_slot; 8683 8684 /* Fill out the error context */ 8685 ahci_copy_ncq_err_page(&spkt->satapkt_cmd, 8686 ncq_err_page); 8687 ahci_update_sata_registers(ahci_ctlp, port, 8688 &spkt->satapkt_device); 8689 } 8690 } 8691out: 8692 sata_free_error_retrieval_pkt(rdlog_spkt); 8693 8694 return (failed_tags); 8695} 8696 8697/* 8698 * This routine is going to first request a REQUEST SENSE sata pkt from sata 8699 * module, and then deliver it to the HBA to get the sense data and copy 8700 * the sense data back to the orignal failed sata pkt, and free the REQUEST 8701 * SENSE sata pkt later. 8702 */ 8703static void 8704ahci_get_rqsense_data(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 8705 uint8_t port, sata_pkt_t *spkt) 8706{ 8707 sata_device_t sdevice; 8708 sata_pkt_t *rs_spkt; 8709 sata_cmd_t *sata_cmd; 8710 ddi_dma_handle_t buf_dma_handle; 8711 ahci_addr_t addr; 8712 int loop_count; 8713#if AHCI_DEBUG 8714 struct scsi_extended_sense *rqsense; 8715#endif 8716 8717 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 8718 "ahci_get_rqsense_data enter: port %d", port); 8719 8720 /* Prepare the sdevice data */ 8721 bzero((void *)&sdevice, sizeof (sata_device_t)); 8722 sdevice.satadev_addr.cport = ahci_ctlp->ahcictl_port_to_cport[port]; 8723 8724 sdevice.satadev_addr.qual = SATA_ADDR_DCPORT; 8725 sdevice.satadev_addr.pmport = 0; 8726 8727 /* Translate sata_device.satadev_addr -> ahci_addr */ 8728 ahci_get_ahci_addr(ahci_ctlp, &sdevice, &addr); 8729 8730 sata_cmd = &spkt->satapkt_cmd; 8731 8732 /* 8733 * Call the sata hba interface to get a rs spkt 8734 */ 8735 loop_count = 0; 8736loop: 8737 rs_spkt = sata_get_error_retrieval_pkt(ahci_ctlp->ahcictl_dip, 8738 &sdevice, SATA_ERR_RETR_PKT_TYPE_ATAPI); 8739 if (rs_spkt == NULL) { 8740 if (loop_count++ < AHCI_POLLRATE_GET_SPKT) { 8741 /* Sleep for a while */ 8742 drv_usecwait(AHCI_10MS_USECS); 8743 goto loop; 8744 8745 } 8746 /* Timed out after 1s */ 8747 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 8748 "failed to get rs spkt for port %d", port); 8749 return; 8750 } 8751 8752 ASSERT(rs_spkt->satapkt_op_mode & SATA_OPMODE_SYNCH); 8753 8754 /* 8755 * This flag is used to handle the specific error recovery when the 8756 * REQUEST SENSE command gets a faiure (fatal error or time-out). 8757 */ 8758 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_RQSENSE; 8759 8760 /* 8761 * This start is not supposed to fail because after port is restarted, 8762 * the whole command list is empty. 8763 */ 8764 ahci_portp->ahciport_err_retri_pkt = rs_spkt; 8765 (void) ahci_do_sync_start(ahci_ctlp, ahci_portp, &addr, rs_spkt); 8766 ahci_portp->ahciport_err_retri_pkt = NULL; 8767 8768 /* Remove the flag after REQUEST SENSE command is completed */ 8769 ahci_portp->ahciport_flags &= ~ AHCI_PORT_FLAG_RQSENSE; 8770 8771 if (rs_spkt->satapkt_reason == SATA_PKT_COMPLETED) { 8772 /* Update the request sense data */ 8773 buf_dma_handle = *(ddi_dma_handle_t *) 8774 (rs_spkt->satapkt_cmd.satacmd_err_ret_buf_handle); 8775 (void) ddi_dma_sync(buf_dma_handle, 0, 0, 8776 DDI_DMA_SYNC_FORKERNEL); 8777 /* Copy the request sense data */ 8778 bcopy(rs_spkt-> 8779 satapkt_cmd.satacmd_bp->b_un.b_addr, 8780 &sata_cmd->satacmd_rqsense, 8781 SATA_ATAPI_MIN_RQSENSE_LEN); 8782#if AHCI_DEBUG 8783 rqsense = (struct scsi_extended_sense *) 8784 sata_cmd->satacmd_rqsense; 8785 8786 /* Dump the sense data */ 8787 AHCIDBG(AHCIDBG_SENSEDATA, ahci_ctlp, "\n", NULL); 8788 AHCIDBG(AHCIDBG_SENSEDATA, ahci_ctlp, 8789 "Sense data for satapkt %p ATAPI cmd 0x%x", 8790 spkt, sata_cmd->satacmd_acdb[0]); 8791 AHCIDBG(AHCIDBG_SENSEDATA, ahci_ctlp, 8792 " es_code 0x%x es_class 0x%x " 8793 "es_key 0x%x es_add_code 0x%x " 8794 "es_qual_code 0x%x", 8795 rqsense->es_code, rqsense->es_class, 8796 rqsense->es_key, rqsense->es_add_code, 8797 rqsense->es_qual_code); 8798#endif 8799 } 8800 8801 sata_free_error_retrieval_pkt(rs_spkt); 8802} 8803 8804/* 8805 * Fatal errors will cause the HBA to enter the ERR: Fatal state. To recover, 8806 * the port must be restarted. When the HBA detects thus error, it may try 8807 * to abort a transfer. And if the transfer was aborted, the device is 8808 * expected to send a D2H Register FIS with PxTFD.STS.ERR set to '1' and both 8809 * PxTFD.STS.BSY and PxTFD.STS.DRQ cleared to '0'. Then system software knows 8810 * that the device is in a stable status and transfers may be restarted without 8811 * issuing a COMRESET to the device. If PxTFD.STS.BSY or PxTFD.STS.DRQ is set, 8812 * then the software will send the COMRESET to do the port reset. 8813 * 8814 * Software should perform the appropriate error recovery actions based on 8815 * whether non-queued commands were being issued or natived command queuing 8816 * commands were being issued. 8817 * 8818 * And software will complete the command that had the error with error mark 8819 * to higher level software. 8820 * 8821 * Fatal errors include the following: 8822 * PxIS.IFS - Interface Fatal Error Status 8823 * PxIS.HBDS - Host Bus Data Error Status 8824 * PxIS.HBFS - Host Bus Fatal Error Status 8825 * PxIS.TFES - Task File Error Status 8826 * 8827 * WARNING!!! ahciport_mutex should be acquired before the function is called. 8828 */ 8829static void 8830ahci_fatal_error_recovery_handler(ahci_ctl_t *ahci_ctlp, 8831 ahci_port_t *ahci_portp, ahci_addr_t *addrp, uint32_t intr_status) 8832{ 8833 uint32_t port_cmd_status; 8834 uint32_t slot_status = 0; 8835 uint32_t failed_tags = 0; 8836 int failed_slot; 8837 int reset_flag = 0, flag = 0; 8838 ahci_fis_d2h_register_t *ahci_rcvd_fisp; 8839 sata_cmd_t *sata_cmd = NULL; 8840 sata_pkt_t *spkt = NULL; 8841#if AHCI_DEBUG 8842 ahci_cmd_header_t *cmd_header; 8843#endif 8844 uint8_t port = addrp->aa_port; 8845 8846 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 8847 "ahci_fatal_error_recovery_handler enter: port %d", port); 8848 8849 /* Port multiplier error */ 8850 if (ahci_portp->ahciport_device_type == SATA_DTYPE_PMULT) { 8851 /* FBS code is neither completed nor tested. */ 8852 ahci_pmult_error_recovery_handler(ahci_ctlp, ahci_portp, 8853 port, intr_status); 8854 8855 /* Force a port reset */ 8856 flag = AHCI_PORT_RESET; 8857 } 8858 8859 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp) || 8860 ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { 8861 8862 /* Read PxCI to see which commands are still outstanding */ 8863 slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 8864 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); 8865 8866 /* 8867 * Read PxCMD.CCS to determine the slot that the HBA 8868 * was processing when the error occurred. 8869 */ 8870 port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 8871 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 8872 failed_slot = (port_cmd_status & AHCI_CMD_STATUS_CCS) >> 8873 AHCI_CMD_STATUS_CCS_SHIFT; 8874 8875 if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { 8876 spkt = ahci_portp->ahciport_err_retri_pkt; 8877 ASSERT(spkt != NULL); 8878 } else { 8879 spkt = ahci_portp->ahciport_slot_pkts[failed_slot]; 8880 if (spkt == NULL) { 8881 /* May happen when interface errors occur? */ 8882 goto next; 8883 } 8884 } 8885 8886#if AHCI_DEBUG 8887 /* 8888 * Debugging purpose... 8889 */ 8890 if (ahci_portp->ahciport_prd_bytecounts[failed_slot]) { 8891 cmd_header = 8892 &ahci_portp->ahciport_cmd_list[failed_slot]; 8893 AHCIDBG(AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, 8894 "ahci_fatal_error_recovery_handler: port %d, " 8895 "PRD Byte Count = 0x%x, " 8896 "ahciport_prd_bytecounts = 0x%x", port, 8897 cmd_header->ahcich_prd_byte_count, 8898 ahci_portp->ahciport_prd_bytecounts[failed_slot]); 8899 } 8900#endif 8901 8902 sata_cmd = &spkt->satapkt_cmd; 8903 8904 /* Fill out the status and error registers for PxIS.TFES */ 8905 if (intr_status & AHCI_INTR_STATUS_TFES) { 8906 ahci_rcvd_fisp = &(ahci_portp->ahciport_rcvd_fis-> 8907 ahcirf_d2h_register_fis); 8908 8909 /* Copy the error context back to the sata_cmd */ 8910 ahci_copy_err_cnxt(sata_cmd, ahci_rcvd_fisp); 8911 } 8912 8913 /* The failed command must be one of the outstanding commands */ 8914 failed_tags = 0x1 << failed_slot; 8915 ASSERT(failed_tags & slot_status); 8916 8917 /* Update the sata registers, especially PxSERR register */ 8918 ahci_update_sata_registers(ahci_ctlp, port, 8919 &spkt->satapkt_device); 8920 8921 } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { 8922 /* Read PxSACT to see which commands are still outstanding */ 8923 slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 8924 (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); 8925 } 8926next: 8927 8928#if AHCI_DEBUG 8929 /* 8930 * When AHCI_PORT_FLAG_RQSENSE or AHCI_PORT_FLAG_RDLOGEXT flag is 8931 * set, it means a fatal error happened after REQUEST SENSE command 8932 * or READ LOG EXT command is delivered to the HBA during the error 8933 * recovery process. At this time, the only outstanding command is 8934 * supposed to be REQUEST SENSE command or READ LOG EXT command. 8935 */ 8936 if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { 8937 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 8938 "ahci_fatal_error_recovery_handler: port %d REQUEST SENSE " 8939 "command or READ LOG EXT command for error data retrieval " 8940 "failed", port); 8941 ASSERT(slot_status == 0x1); 8942 ASSERT(failed_slot == 0); 8943 ASSERT(spkt->satapkt_cmd.satacmd_acdb[0] == 8944 SCMD_REQUEST_SENSE || 8945 spkt->satapkt_cmd.satacmd_cmd_reg == 8946 SATAC_READ_LOG_EXT); 8947 } 8948#endif 8949 8950 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; 8951 ahci_portp->ahciport_mop_in_progress++; 8952 8953 (void) ahci_restart_port_wait_till_ready(ahci_ctlp, ahci_portp, 8954 port, flag, &reset_flag); 8955 8956 /* 8957 * Won't retrieve error information: 8958 * 1. Port reset was involved to recover 8959 * 2. Device is gone 8960 * 3. IDENTIFY DEVICE command sent to ATAPI device 8961 * 4. REQUEST SENSE or READ LOG EXT command during error recovery 8962 */ 8963 if (reset_flag || 8964 ahci_portp->ahciport_device_type == SATA_DTYPE_NONE || 8965 spkt && spkt->satapkt_cmd.satacmd_cmd_reg == SATAC_ID_DEVICE || 8966 ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) 8967 goto out; 8968 8969 /* 8970 * Deliver READ LOG EXT to gather information about the error when 8971 * a COMRESET has not been performed as part of the error recovery 8972 * during NCQ command processing. 8973 */ 8974 if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { 8975 failed_tags = ahci_get_rdlogext_data(ahci_ctlp, 8976 ahci_portp, port); 8977 goto out; 8978 } 8979 8980 /* 8981 * Deliver REQUEST SENSE for ATAPI command to gather information about 8982 * the error when a COMRESET has not been performed as part of the 8983 * error recovery. 8984 */ 8985 if (spkt && ahci_portp->ahciport_device_type == SATA_DTYPE_ATAPI) 8986 ahci_get_rqsense_data(ahci_ctlp, ahci_portp, port, spkt); 8987out: 8988 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 8989 "ahci_fatal_error_recovery_handler: port %d fatal error " 8990 "occurred slot_status = 0x%x, pending_tags = 0x%x, " 8991 "pending_ncq_tags = 0x%x failed_tags = 0x%x", 8992 port, slot_status, ahci_portp->ahciport_pending_tags, 8993 ahci_portp->ahciport_pending_ncq_tags, failed_tags); 8994 8995 ahci_mop_commands(ahci_ctlp, 8996 ahci_portp, 8997 slot_status, 8998 failed_tags, /* failed tags */ 8999 0, /* timeout tags */ 9000 0, /* aborted tags */ 9001 0); /* reset tags */ 9002} 9003 9004/* 9005 * Used to recovery a PMULT pmport fatal error under FIS-based switching. 9006 * 1. device specific.PxFBS.SDE=1 9007 * 2. Non-Deivce specific. 9008 * Nothing will be done when Command-based switching is employed. 9009 * 9010 * Currently code is neither completed nor tested. 9011 * 9012 * WARNING!!! ahciport_mutex should be acquired before the function 9013 * is called. 9014 */ 9015static void 9016ahci_pmult_error_recovery_handler(ahci_ctl_t *ahci_ctlp, 9017 ahci_port_t *ahci_portp, uint8_t port, uint32_t intr_status) 9018{ 9019#ifndef __lock_lint 9020 _NOTE(ARGUNUSED(intr_status)) 9021#endif 9022 uint32_t port_fbs_ctrl; 9023 int loop_count = 0; 9024 ahci_addr_t addr; 9025 9026 /* Nothing will be done under Command-based switching. */ 9027 if (!(ahci_ctlp->ahcictl_cap & AHCI_CAP_PMULT_FBSS)) 9028 return; 9029 9030 port_fbs_ctrl = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 9031 (uint32_t *)AHCI_PORT_PxFBS(ahci_ctlp, port)); 9032 9033 if (!(port_fbs_ctrl & AHCI_FBS_EN)) 9034 /* FBS is not enabled. */ 9035 return; 9036 9037 /* Problem's getting complicated now. */ 9038 /* 9039 * If FIS-based switching is used, we need to check 9040 * the PxFBS to see the error type. 9041 */ 9042 port_fbs_ctrl = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 9043 (uint32_t *)AHCI_PORT_PxFBS(ahci_ctlp, port)); 9044 9045 /* Refer to spec(v1.2) 9.3.6.1 */ 9046 if (port_fbs_ctrl & AHCI_FBS_SDE) { 9047 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, 9048 "A Device Sepcific Error: port %d", port); 9049 /* 9050 * Controller has paused commands for all other 9051 * sub-devices until PxFBS.DEC is set. 9052 */ 9053 ahci_reject_all_abort_pkts(ahci_ctlp, 9054 ahci_portp, 0); 9055 9056 ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, 9057 (uint32_t *)AHCI_PORT_PxFBS(ahci_ctlp, port), 9058 port_fbs_ctrl | AHCI_FBS_DEC); 9059 9060 /* 9061 * Wait controller clear PxFBS.DEC, 9062 * then we can continue. 9063 */ 9064 loop_count = 0; 9065 do { 9066 port_fbs_ctrl = ddi_get32(ahci_ctlp-> 9067 ahcictl_ahci_acc_handle, (uint32_t *) 9068 AHCI_PORT_PxFBS(ahci_ctlp, port)); 9069 9070 if (loop_count++ > 1000) 9071 /* 9072 * Esclate the error. Follow 9073 * non-device specific error 9074 * procedure. 9075 */ 9076 return; 9077 9078 drv_usecwait(AHCI_100US_USECS); 9079 } while (port_fbs_ctrl & AHCI_FBS_DEC); 9080 9081 /* 9082 * Issue a software reset to ensure drive is in 9083 * a known state. 9084 */ 9085 (void) ahci_software_reset(ahci_ctlp, 9086 ahci_portp, &addr); 9087 9088 } else { 9089 9090 /* Process Non-Device Specific Error. */ 9091 /* This will be handled later on. */ 9092 cmn_err(CE_NOTE, "!FBS is not supported now."); 9093 } 9094} 9095/* 9096 * Handle events - fatal error recovery 9097 */ 9098static void 9099ahci_events_handler(void *args) 9100{ 9101 ahci_event_arg_t *ahci_event_arg; 9102 ahci_ctl_t *ahci_ctlp; 9103 ahci_port_t *ahci_portp; 9104 ahci_addr_t *addrp; 9105 uint32_t event; 9106 9107 ahci_event_arg = (ahci_event_arg_t *)args; 9108 9109 ahci_ctlp = ahci_event_arg->ahciea_ctlp; 9110 ahci_portp = ahci_event_arg->ahciea_portp; 9111 addrp = ahci_event_arg->ahciea_addrp; 9112 event = ahci_event_arg->ahciea_event; 9113 9114 AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, 9115 "ahci_events_handler enter: port %d intr_status = 0x%x", 9116 ahci_portp->ahciport_port_num, event); 9117 9118 mutex_enter(&ahci_portp->ahciport_mutex); 9119 9120 /* 9121 * ahci_intr_phyrdy_change() may have rendered it to 9122 * SATA_DTYPE_NONE. 9123 */ 9124 if (ahci_portp->ahciport_device_type == SATA_DTYPE_NONE) { 9125 AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INTR, ahci_ctlp, 9126 "ahci_events_handler: port %d no device attached, " 9127 "and just return without doing anything", 9128 ahci_portp->ahciport_port_num); 9129 goto out; 9130 } 9131 9132 if (event & (AHCI_INTR_STATUS_IFS | 9133 AHCI_INTR_STATUS_HBDS | 9134 AHCI_INTR_STATUS_HBFS | 9135 AHCI_INTR_STATUS_TFES)) 9136 ahci_fatal_error_recovery_handler(ahci_ctlp, ahci_portp, 9137 addrp, event); 9138 9139out: 9140 mutex_exit(&ahci_portp->ahciport_mutex); 9141} 9142 9143/* 9144 * ahci_watchdog_handler() and ahci_do_sync_start will call us if they 9145 * detect there are some commands which are timed out. 9146 */ 9147static void 9148ahci_timeout_pkts(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, 9149 uint8_t port, uint32_t tmp_timeout_tags) 9150{ 9151 uint32_t slot_status = 0; 9152 uint32_t finished_tags = 0; 9153 uint32_t timeout_tags = 0; 9154 9155 AHCIDBG(AHCIDBG_TIMEOUT|AHCIDBG_ENTRY, ahci_ctlp, 9156 "ahci_timeout_pkts enter: port %d", port); 9157 9158 mutex_enter(&ahci_portp->ahciport_mutex); 9159 9160 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp) || 9161 RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp) || 9162 ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { 9163 /* Read PxCI to see which commands are still outstanding */ 9164 slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 9165 (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); 9166 } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { 9167 /* Read PxSACT to see which commands are still outstanding */ 9168 slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 9169 (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); 9170 } 9171 9172#if AHCI_DEBUG 9173 /* 9174 * When AHCI_PORT_FLAG_RQSENSE or AHCI_PORT_FLAG_RDLOGEXT flag is 9175 * set, it means a fatal error happened after REQUEST SENSE command 9176 * or READ LOG EXT command is delivered to the HBA during the error 9177 * recovery process. At this time, the only outstanding command is 9178 * supposed to be REQUEST SENSE command or READ LOG EXT command. 9179 */ 9180 if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { 9181 AHCIDBG(AHCIDBG_ERRS|AHCIDBG_TIMEOUT, ahci_ctlp, 9182 "ahci_timeout_pkts called while REQUEST SENSE " 9183 "command or READ LOG EXT command for error recovery " 9184 "timed out timeout_tags = 0x%x, slot_status = 0x%x, " 9185 "pending_tags = 0x%x, pending_ncq_tags = 0x%x", 9186 tmp_timeout_tags, slot_status, 9187 ahci_portp->ahciport_pending_tags, 9188 ahci_portp->ahciport_pending_ncq_tags); 9189 ASSERT(slot_status == 0x1); 9190 } else if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { 9191 AHCIDBG(AHCIDBG_ERRS|AHCIDBG_TIMEOUT, ahci_ctlp, 9192 "ahci_timeout_pkts called while executing R/W PMULT " 9193 "command timeout_tags = 0x%x, slot_status = 0x%x", 9194 tmp_timeout_tags, slot_status); 9195 ASSERT(slot_status == 0x1); 9196 } 9197#endif 9198 9199 ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; 9200 ahci_portp->ahciport_mop_in_progress++; 9201 9202 (void) ahci_restart_port_wait_till_ready(ahci_ctlp, ahci_portp, 9203 port, AHCI_PORT_RESET, NULL); 9204 9205 /* 9206 * Re-identify timeout tags because some previously checked commands 9207 * could already complete. 9208 */ 9209 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { 9210 finished_tags = ahci_portp->ahciport_pending_tags & 9211 ~slot_status & AHCI_SLOT_MASK(ahci_ctlp); 9212 timeout_tags = tmp_timeout_tags & ~finished_tags; 9213 9214 AHCIDBG(AHCIDBG_TIMEOUT, ahci_ctlp, 9215 "ahci_timeout_pkts: port %d, finished_tags = 0x%x, " 9216 "timeout_tags = 0x%x, port_cmd_issue = 0x%x, " 9217 "pending_tags = 0x%x ", 9218 port, finished_tags, timeout_tags, 9219 slot_status, ahci_portp->ahciport_pending_tags); 9220 } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { 9221 finished_tags = ahci_portp->ahciport_pending_ncq_tags & 9222 ~slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); 9223 timeout_tags = tmp_timeout_tags & ~finished_tags; 9224 9225 AHCIDBG(AHCIDBG_TIMEOUT|AHCIDBG_NCQ, ahci_ctlp, 9226 "ahci_timeout_pkts: port %d, finished_tags = 0x%x, " 9227 "timeout_tags = 0x%x, port_sactive = 0x%x, " 9228 "pending_ncq_tags = 0x%x ", 9229 port, finished_tags, timeout_tags, 9230 slot_status, ahci_portp->ahciport_pending_ncq_tags); 9231 } else if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) || 9232 RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { 9233 timeout_tags = tmp_timeout_tags; 9234 } 9235 9236 ahci_mop_commands(ahci_ctlp, 9237 ahci_portp, 9238 slot_status, 9239 0, /* failed tags */ 9240 timeout_tags, /* timeout tags */ 9241 0, /* aborted tags */ 9242 0); /* reset tags */ 9243 9244 mutex_exit(&ahci_portp->ahciport_mutex); 9245} 9246 9247/* 9248 * Watchdog handler kicks in every 5 seconds to timeout any commands pending 9249 * for long time. 9250 */ 9251static void 9252ahci_watchdog_handler(ahci_ctl_t *ahci_ctlp) 9253{ 9254 ahci_port_t *ahci_portp; 9255 sata_pkt_t *spkt; 9256 uint32_t pending_tags; 9257 uint32_t timeout_tags; 9258 uint32_t port_cmd_status; 9259 uint32_t port_sactive; 9260 uint8_t port; 9261 int tmp_slot; 9262 int current_slot; 9263 uint32_t current_tags; 9264 int instance = ddi_get_instance(ahci_ctlp->ahcictl_dip); 9265 /* max number of cycles this packet should survive */ 9266 int max_life_cycles; 9267 9268 /* how many cycles this packet survived so far */ 9269 int watched_cycles; 9270 9271 mutex_enter(&ahci_ctlp->ahcictl_mutex); 9272 9273 AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, 9274 "ahci_watchdog_handler entered", NULL); 9275 9276 for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { 9277 if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { 9278 continue; 9279 } 9280 9281 ahci_portp = ahci_ctlp->ahcictl_ports[port]; 9282 9283 mutex_enter(&ahci_portp->ahciport_mutex); 9284 if (ahci_portp->ahciport_device_type == SATA_DTYPE_NONE) { 9285 mutex_exit(&ahci_portp->ahciport_mutex); 9286 continue; 9287 } 9288 9289 /* Skip the check for those ports in error recovery */ 9290 if ((ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) && 9291 !(ERR_RETRI_CMD_IN_PROGRESS(ahci_portp))) { 9292 mutex_exit(&ahci_portp->ahciport_mutex); 9293 continue; 9294 } 9295 9296 pending_tags = 0; 9297 port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, 9298 (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); 9299 9300 if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) || 9301 RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { 9302 current_slot = 0; 9303 pending_tags = 0x1; 9304 } else if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { 9305 current_slot = 9306 (port_cmd_status & AHCI_CMD_STATUS_CCS) >> 9307 AHCI_CMD_STATUS_CCS_SHIFT; 9308 pending_tags = ahci_portp->ahciport_pending_tags; 9309 } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { 9310 port_sactive = ddi_get32( 9311 ahci_ctlp->ahcictl_ahci_acc_handle, 9312 (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); 9313 current_tags = port_sactive & 9314 ~port_cmd_status & 9315 AHCI_NCQ_SLOT_MASK(ahci_portp); 9316 pending_tags = ahci_portp->ahciport_pending_ncq_tags; 9317 } 9318 9319 timeout_tags = 0; 9320 while (pending_tags) { 9321 tmp_slot = ddi_ffs(pending_tags) - 1; 9322 if (tmp_slot == -1) { 9323 break; 9324 } 9325 9326 if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) 9327 spkt = ahci_portp->ahciport_err_retri_pkt; 9328 else if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) 9329 spkt = ahci_portp->ahciport_rdwr_pmult_pkt; 9330 else 9331 spkt = ahci_portp->ahciport_slot_pkts[tmp_slot]; 9332 9333 if ((spkt != NULL) && spkt->satapkt_time && 9334 !(spkt->satapkt_op_mode & SATA_OPMODE_POLLING)) { 9335 /* 9336 * We are overloading satapkt_hba_driver_private 9337 * with watched_cycle count. 9338 * 9339 * If a packet has survived for more than it's 9340 * max life cycles, it is a candidate for time 9341 * out. 9342 */ 9343 watched_cycles = (int)(intptr_t) 9344 spkt->satapkt_hba_driver_private; 9345 watched_cycles++; 9346 max_life_cycles = (spkt->satapkt_time + 9347 ahci_watchdog_timeout - 1) / 9348 ahci_watchdog_timeout; 9349 9350 spkt->satapkt_hba_driver_private = 9351 (void *)(intptr_t)watched_cycles; 9352 9353 if (watched_cycles <= max_life_cycles) 9354 goto next; 9355 9356#if AHCI_DEBUG 9357 if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { 9358 AHCIDBG(AHCIDBG_ERRS|AHCIDBG_TIMEOUT, 9359 ahci_ctlp, "watchdog: the current " 9360 "tags is 0x%x", current_tags); 9361 } else { 9362 AHCIDBG(AHCIDBG_ERRS|AHCIDBG_TIMEOUT, 9363 ahci_ctlp, "watchdog: the current " 9364 "slot is %d", current_slot); 9365 } 9366#endif 9367 9368 /* 9369 * We need to check whether the HBA has 9370 * begun to execute the command, if not, 9371 * then re-set the timer of the command. 9372 */ 9373 if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp) && 9374 (tmp_slot != current_slot) || 9375 NCQ_CMD_IN_PROGRESS(ahci_portp) && 9376 ((0x1 << tmp_slot) & current_tags)) { 9377 spkt->satapkt_hba_driver_private = 9378 (void *)(intptr_t)0; 9379 } else { 9380 timeout_tags |= (0x1 << tmp_slot); 9381 cmn_err(CE_WARN, "!ahci%d: watchdog " 9382 "port %d satapkt 0x%p timed out\n", 9383 instance, port, (void *)spkt); 9384 } 9385 } 9386next: 9387 CLEAR_BIT(pending_tags, tmp_slot); 9388 } 9389 9390 if (timeout_tags) { 9391 mutex_exit(&ahci_portp->ahciport_mutex); 9392 mutex_exit(&ahci_ctlp->ahcictl_mutex); 9393 ahci_timeout_pkts(ahci_ctlp, ahci_portp, 9394 port, timeout_tags); 9395 mutex_enter(&ahci_ctlp->ahcictl_mutex); 9396 mutex_enter(&ahci_portp->ahciport_mutex); 9397 } 9398 9399 mutex_exit(&ahci_portp->ahciport_mutex); 9400 } 9401 9402 /* Re-install the watchdog timeout handler */ 9403 if (ahci_ctlp->ahcictl_timeout_id != 0) { 9404 ahci_ctlp->ahcictl_timeout_id = 9405 timeout((void (*)(void *))ahci_watchdog_handler, 9406 (caddr_t)ahci_ctlp, ahci_watchdog_tick); 9407 } 9408 9409 mutex_exit(&ahci_ctlp->ahcictl_mutex); 9410} 9411 9412/* 9413 * Fill the error context into sata_cmd for non-queued command error. 9414 */ 9415static void 9416ahci_copy_err_cnxt(sata_cmd_t *scmd, ahci_fis_d2h_register_t *rfisp) 9417{ 9418 scmd->satacmd_status_reg = GET_RFIS_STATUS(rfisp); 9419 scmd->satacmd_error_reg = GET_RFIS_ERROR(rfisp); 9420 scmd->satacmd_sec_count_lsb = GET_RFIS_SECTOR_COUNT(rfisp); 9421 scmd->satacmd_lba_low_lsb = GET_RFIS_CYL_LOW(rfisp); 9422 scmd->satacmd_lba_mid_lsb = GET_RFIS_CYL_MID(rfisp); 9423 scmd->satacmd_lba_high_lsb = GET_RFIS_CYL_HI(rfisp); 9424 scmd->satacmd_device_reg = GET_RFIS_DEV_HEAD(rfisp); 9425 9426 if (scmd->satacmd_addr_type == ATA_ADDR_LBA48) { 9427 scmd->satacmd_sec_count_msb = GET_RFIS_SECTOR_COUNT_EXP(rfisp); 9428 scmd->satacmd_lba_low_msb = GET_RFIS_CYL_LOW_EXP(rfisp); 9429 scmd->satacmd_lba_mid_msb = GET_RFIS_CYL_MID_EXP(rfisp); 9430 scmd->satacmd_lba_high_msb = GET_RFIS_CYL_HI_EXP(rfisp); 9431 } 9432} 9433 9434/* 9435 * Fill the ncq error page into sata_cmd for queued command error. 9436 */ 9437static void 9438ahci_copy_ncq_err_page(sata_cmd_t *scmd, 9439 struct sata_ncq_error_recovery_page *ncq_err_page) 9440{ 9441 scmd->satacmd_sec_count_msb = ncq_err_page->ncq_sector_count_ext; 9442 scmd->satacmd_sec_count_lsb = ncq_err_page->ncq_sector_count; 9443 scmd->satacmd_lba_low_msb = ncq_err_page->ncq_sector_number_ext; 9444 scmd->satacmd_lba_low_lsb = ncq_err_page->ncq_sector_number; 9445 scmd->satacmd_lba_mid_msb = ncq_err_page->ncq_cyl_low_ext; 9446 scmd->satacmd_lba_mid_lsb = ncq_err_page->ncq_cyl_low; 9447 scmd->satacmd_lba_high_msb = ncq_err_page->ncq_cyl_high_ext; 9448 scmd->satacmd_lba_high_lsb = ncq_err_page->ncq_cyl_high; 9449 scmd->satacmd_device_reg = ncq_err_page->ncq_dev_head; 9450 scmd->satacmd_status_reg = ncq_err_page->ncq_status; 9451 scmd->satacmd_error_reg = ncq_err_page->ncq_error; 9452} 9453 9454/* 9455 * Put the respective register value to sata_cmd_t for satacmd_flags. 9456 */ 9457static void 9458ahci_copy_out_regs(sata_cmd_t *scmd, ahci_fis_d2h_register_t *rfisp) 9459{ 9460 if (scmd->satacmd_flags.sata_copy_out_sec_count_msb) 9461 scmd->satacmd_sec_count_msb = GET_RFIS_SECTOR_COUNT_EXP(rfisp); 9462 if (scmd->satacmd_flags.sata_copy_out_lba_low_msb) 9463 scmd->satacmd_lba_low_msb = GET_RFIS_CYL_LOW_EXP(rfisp); 9464 if (scmd->satacmd_flags.sata_copy_out_lba_mid_msb) 9465 scmd->satacmd_lba_mid_msb = GET_RFIS_CYL_MID_EXP(rfisp); 9466 if (scmd->satacmd_flags.sata_copy_out_lba_high_msb) 9467 scmd->satacmd_lba_high_msb = GET_RFIS_CYL_HI_EXP(rfisp); 9468 if (scmd->satacmd_flags.sata_copy_out_sec_count_lsb) 9469 scmd->satacmd_sec_count_lsb = GET_RFIS_SECTOR_COUNT(rfisp); 9470 if (scmd->satacmd_flags.sata_copy_out_lba_low_lsb) 9471 scmd->satacmd_lba_low_lsb = GET_RFIS_CYL_LOW(rfisp); 9472 if (scmd->satacmd_flags.sata_copy_out_lba_mid_lsb) 9473 scmd->satacmd_lba_mid_lsb = GET_RFIS_CYL_MID(rfisp); 9474 if (scmd->satacmd_flags.sata_copy_out_lba_high_lsb) 9475 scmd->satacmd_lba_high_lsb = GET_RFIS_CYL_HI(rfisp); 9476 if (scmd->satacmd_flags.sata_copy_out_device_reg) 9477 scmd->satacmd_device_reg = GET_RFIS_DEV_HEAD(rfisp); 9478 if (scmd->satacmd_flags.sata_copy_out_error_reg) 9479 scmd->satacmd_error_reg = GET_RFIS_ERROR(rfisp); 9480} 9481 9482static void 9483ahci_log_fatal_error_message(ahci_ctl_t *ahci_ctlp, uint8_t port, 9484 uint32_t intr_status) 9485{ 9486 int instance = ddi_get_instance(ahci_ctlp->ahcictl_dip); 9487 9488 if (intr_status & AHCI_INTR_STATUS_IFS) 9489 cmn_err(CE_WARN, "!ahci%d: ahci port %d has interface fatal " 9490 "error", instance, port); 9491 9492 if (intr_status & AHCI_INTR_STATUS_HBDS) 9493 cmn_err(CE_WARN, "!ahci%d: ahci port %d has bus data error", 9494 instance, port); 9495 9496 if (intr_status & AHCI_INTR_STATUS_HBFS) 9497 cmn_err(CE_WARN, "!ahci%d: ahci port %d has bus fatal error", 9498 instance, port); 9499 9500 if (intr_status & AHCI_INTR_STATUS_TFES) 9501 cmn_err(CE_WARN, "!ahci%d: ahci port %d has task file error", 9502 instance, port); 9503 9504 cmn_err(CE_WARN, "!ahci%d: ahci port %d is trying to do error " 9505 "recovery", instance, port); 9506} 9507 9508/* 9509 * Dump the serror message to the log. 9510 */ 9511static void 9512ahci_log_serror_message(ahci_ctl_t *ahci_ctlp, uint8_t port, 9513 uint32_t port_serror, int debug_only) 9514{ 9515 static char err_buf[512]; 9516 static char err_msg_header[16]; 9517 char *err_msg = err_buf; 9518 9519 *err_buf = '\0'; 9520 *err_msg_header = '\0'; 9521 9522 if (port_serror & SERROR_DATA_ERR_FIXED) { 9523 err_msg = strcat(err_msg, 9524 "\tRecovered Data Integrity Error (I)\n"); 9525 } 9526 9527 if (port_serror & SERROR_COMM_ERR_FIXED) { 9528 err_msg = strcat(err_msg, 9529 "\tRecovered Communication Error (M)\n"); 9530 } 9531 9532 if (port_serror & SERROR_DATA_ERR) { 9533 err_msg = strcat(err_msg, 9534 "\tTransient Data Integrity Error (T)\n"); 9535 } 9536 9537 if (port_serror & SERROR_PERSISTENT_ERR) { 9538 err_msg = strcat(err_msg, 9539 "\tPersistent Communication or Data Integrity Error (C)\n"); 9540 } 9541 9542 if (port_serror & SERROR_PROTOCOL_ERR) { 9543 err_msg = strcat(err_msg, "\tProtocol Error (P)\n"); 9544 } 9545 9546 if (port_serror & SERROR_INT_ERR) { 9547 err_msg = strcat(err_msg, "\tInternal Error (E)\n"); 9548 } 9549 9550 if (port_serror & SERROR_PHY_RDY_CHG) { 9551 err_msg = strcat(err_msg, "\tPhyRdy Change (N)\n"); 9552 } 9553 9554 if (port_serror & SERROR_PHY_INT_ERR) { 9555 err_msg = strcat(err_msg, "\tPhy Internal Error (I)\n"); 9556 } 9557 9558 if (port_serror & SERROR_COMM_WAKE) { 9559 err_msg = strcat(err_msg, "\tComm Wake (W)\n"); 9560 } 9561 9562 if (port_serror & SERROR_10B_TO_8B_ERR) { 9563 err_msg = strcat(err_msg, "\t10B to 8B Decode Error (B)\n"); 9564 } 9565 9566 if (port_serror & SERROR_DISPARITY_ERR) { 9567 err_msg = strcat(err_msg, "\tDisparity Error (D)\n"); 9568 } 9569 9570 if (port_serror & SERROR_CRC_ERR) { 9571 err_msg = strcat(err_msg, "\tCRC Error (C)\n"); 9572 } 9573 9574 if (port_serror & SERROR_HANDSHAKE_ERR) { 9575 err_msg = strcat(err_msg, "\tHandshake Error (H)\n"); 9576 } 9577 9578 if (port_serror & SERROR_LINK_SEQ_ERR) { 9579 err_msg = strcat(err_msg, "\tLink Sequence Error (S)\n"); 9580 } 9581 9582 if (port_serror & SERROR_TRANS_ERR) { 9583 err_msg = strcat(err_msg, 9584 "\tTransport state transition error (T)\n"); 9585 } 9586 9587 if (port_serror & SERROR_FIS_TYPE) { 9588 err_msg = strcat(err_msg, "\tUnknown FIS Type (F)\n"); 9589 } 9590 9591 if (port_serror & SERROR_EXCHANGED_ERR) { 9592 err_msg = strcat(err_msg, "\tExchanged (X)\n"); 9593 } 9594 9595 if (err_msg == NULL) 9596 return; 9597 9598 if (debug_only) { 9599 (void) sprintf(err_msg_header, "port %d", port); 9600 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, err_msg_header, NULL); 9601 AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, err_msg, NULL); 9602 } else if (ahci_ctlp) { 9603 cmn_err(CE_WARN, "!ahci%d: %s %s", 9604 ddi_get_instance(ahci_ctlp->ahcictl_dip), 9605 err_msg_header, err_msg); 9606 9607 /* sata trace debug */ 9608 sata_trace_debug(ahci_ctlp->ahcictl_dip, 9609 "ahci%d: %s %s", ddi_get_instance(ahci_ctlp->ahcictl_dip), 9610 err_msg_header, err_msg); 9611 } else { 9612 cmn_err(CE_WARN, "!ahci: %s %s", err_msg_header, err_msg); 9613 9614 /* sata trace debug */ 9615 sata_trace_debug(NULL, "ahci: %s %s", err_msg_header, err_msg); 9616 } 9617} 9618 9619/* 9620 * Translate the sata_address_t type into the ahci_addr_t type. 9621 * sata_device.satadev_addr structure is used as source. 9622 */ 9623static void 9624ahci_get_ahci_addr(ahci_ctl_t *ahci_ctlp, sata_device_t *sd, 9625 ahci_addr_t *ahci_addrp) 9626{ 9627 sata_address_t *sata_addrp = &sd->satadev_addr; 9628 ahci_addrp->aa_port = 9629 ahci_ctlp->ahcictl_cport_to_port[sata_addrp->cport]; 9630 ahci_addrp->aa_pmport = sata_addrp->pmport; 9631 9632 switch (sata_addrp->qual) { 9633 case SATA_ADDR_DCPORT: 9634 case SATA_ADDR_CPORT: 9635 ahci_addrp->aa_qual = AHCI_ADDR_PORT; 9636 break; 9637 case SATA_ADDR_PMULT: 9638 ahci_addrp->aa_qual = AHCI_ADDR_PMULT; 9639 break; 9640 case SATA_ADDR_DPMPORT: 9641 case SATA_ADDR_PMPORT: 9642 ahci_addrp->aa_qual = AHCI_ADDR_PMPORT; 9643 break; 9644 case SATA_ADDR_NULL: 9645 default: 9646 /* something went wrong */ 9647 ahci_addrp->aa_qual = AHCI_ADDR_NULL; 9648 break; 9649 } 9650} 9651 9652/* 9653 * This routine is to calculate the total number of ports implemented 9654 * by the HBA. 9655 */ 9656static int 9657ahci_get_num_implemented_ports(uint32_t ports_implemented) 9658{ 9659 uint8_t i; 9660 int num = 0; 9661 9662 for (i = 0; i < AHCI_MAX_PORTS; i++) { 9663 if (((uint32_t)0x1 << i) & ports_implemented) 9664 num++; 9665 } 9666 9667 return (num); 9668} 9669 9670#if AHCI_DEBUG 9671static void 9672ahci_log(ahci_ctl_t *ahci_ctlp, uint_t level, char *fmt, ...) 9673{ 9674 static char name[16]; 9675 va_list ap; 9676 9677 mutex_enter(&ahci_log_mutex); 9678 9679 va_start(ap, fmt); 9680 if (ahci_ctlp) { 9681 (void) sprintf(name, "ahci%d: ", 9682 ddi_get_instance(ahci_ctlp->ahcictl_dip)); 9683 } else { 9684 (void) sprintf(name, "ahci: "); 9685 } 9686 9687 (void) vsprintf(ahci_log_buf, fmt, ap); 9688 va_end(ap); 9689 9690 cmn_err(level, "%s%s", name, ahci_log_buf); 9691 9692 mutex_exit(&ahci_log_mutex); 9693} 9694#endif 9695 9696/* 9697 * quiesce(9E) entry point. 9698 * 9699 * This function is called when the system is single-threaded at high 9700 * PIL with preemption disabled. Therefore, this function must not be 9701 * blocked. 9702 * 9703 * This function returns DDI_SUCCESS on success, or DDI_FAILURE on failure. 9704 * DDI_FAILURE indicates an error condition and should almost never happen. 9705 */ 9706static int 9707ahci_quiesce(dev_info_t *dip) 9708{ 9709 ahci_ctl_t *ahci_ctlp; 9710 ahci_port_t *ahci_portp; 9711 int instance, port; 9712 9713 instance = ddi_get_instance(dip); 9714 ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); 9715 9716 if (ahci_ctlp == NULL) 9717 return (DDI_FAILURE); 9718 9719#if AHCI_DEBUG 9720 ahci_debug_flags = 0; 9721#endif 9722 9723 /* disable all the interrupts. */ 9724 ahci_disable_all_intrs(ahci_ctlp); 9725 9726 for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { 9727 if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { 9728 continue; 9729 } 9730 9731 ahci_portp = ahci_ctlp->ahcictl_ports[port]; 9732 9733 /* 9734 * Stop the port by clearing PxCMD.ST 9735 * 9736 * Here we must disable the port interrupt because 9737 * ahci_disable_all_intrs only clear GHC.IE, and IS 9738 * register will be still set if PxIE is enabled. 9739 * When ahci shares one IRQ with other drivers, the 9740 * intr handler may claim the intr mistakenly. 9741 */ 9742 ahci_disable_port_intrs(ahci_ctlp, port); 9743 (void) ahci_put_port_into_notrunning_state(ahci_ctlp, 9744 ahci_portp, port); 9745 } 9746 9747 return (DDI_SUCCESS); 9748} 9749