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 (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 /* 27 * Copyright (c) 2000 to 2010, LSI Corporation. 28 * All rights reserved. 29 * 30 * Redistribution and use in source and binary forms of all code within 31 * this file that is exclusively owned by LSI, with or without 32 * modification, is permitted provided that, in addition to the CDDL 1.0 33 * License requirements, the following conditions are met: 34 * 35 * Neither the name of the author nor the names of its contributors may be 36 * used to endorse or promote products derived from this software without 37 * specific prior written permission. 38 * 39 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 40 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 41 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 42 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 43 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 44 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 45 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 46 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 47 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 48 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 49 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 50 * DAMAGE. 51 */ 52 53 /* 54 * mptsas_raid - This file contains all the RAID related functions for the 55 * MPT interface. 56 */ 57 58 #if defined(lint) || defined(DEBUG) 59 #define MPTSAS_DEBUG 60 #endif 61 62 #define MPI_RAID_VOL_PAGE_0_PHYSDISK_MAX 2 63 64 /* 65 * standard header files 66 */ 67 #include <sys/note.h> 68 #include <sys/scsi/scsi.h> 69 #include <sys/byteorder.h> 70 #include <sys/raidioctl.h> 71 72 #pragma pack(1) 73 74 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_type.h> 75 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2.h> 76 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_cnfg.h> 77 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_init.h> 78 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_ioc.h> 79 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_raid.h> 80 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_tool.h> 81 82 #pragma pack() 83 84 /* 85 * private header files. 86 */ 87 #include <sys/scsi/adapters/mpt_sas/mptsas_var.h> 88 89 static int mptsas_get_raid_wwid(mptsas_t *mpt, mptsas_raidvol_t *raidvol); 90 91 extern int mptsas_check_dma_handle(ddi_dma_handle_t handle); 92 extern int mptsas_check_acc_handle(ddi_acc_handle_t handle); 93 extern mptsas_target_t *mptsas_tgt_alloc(mptsas_hash_table_t *, uint16_t, 94 uint64_t, uint32_t, mptsas_phymask_t, uint8_t); 95 96 static int 97 mptsas_raidconf_page_0_cb(mptsas_t *mpt, caddr_t page_memp, 98 ddi_acc_handle_t accessp, uint16_t iocstatus, uint32_t iocloginfo, 99 va_list ap) 100 { 101 #ifndef __lock_lint 102 _NOTE(ARGUNUSED(ap)) 103 #endif 104 pMpi2RaidConfigurationPage0_t raidconfig_page0; 105 pMpi2RaidConfig0ConfigElement_t element; 106 uint32_t *confignum; 107 int rval = DDI_SUCCESS, i; 108 uint8_t numelements, vol, disk; 109 uint16_t elementtype, voldevhandle; 110 uint16_t etype_vol, etype_pd, etype_hs; 111 uint16_t etype_oce; 112 mptsas_slots_t *slots = mpt->m_active; 113 m_raidconfig_t *raidconfig; 114 uint64_t raidwwn; 115 uint32_t native; 116 mptsas_target_t *ptgt; 117 uint32_t configindex; 118 119 if (iocstatus == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) { 120 return (DDI_FAILURE); 121 } 122 123 if (iocstatus != MPI2_IOCSTATUS_SUCCESS) { 124 mptsas_log(mpt, CE_WARN, "mptsas_get_raid_conf_page0 " 125 "config: IOCStatus=0x%x, IOCLogInfo=0x%x", 126 iocstatus, iocloginfo); 127 rval = DDI_FAILURE; 128 return (rval); 129 } 130 confignum = va_arg(ap, uint32_t *); 131 configindex = va_arg(ap, uint32_t); 132 raidconfig_page0 = (pMpi2RaidConfigurationPage0_t)page_memp; 133 /* 134 * Get all RAID configurations. 135 */ 136 etype_vol = MPI2_RAIDCONFIG0_EFLAGS_VOLUME_ELEMENT; 137 etype_pd = MPI2_RAIDCONFIG0_EFLAGS_VOL_PHYS_DISK_ELEMENT; 138 etype_hs = MPI2_RAIDCONFIG0_EFLAGS_HOT_SPARE_ELEMENT; 139 etype_oce = MPI2_RAIDCONFIG0_EFLAGS_OCE_ELEMENT; 140 /* 141 * Set up page address for next time through. 142 */ 143 *confignum = ddi_get8(accessp, 144 &raidconfig_page0->ConfigNum); 145 146 /* 147 * Point to the right config in the structure. 148 * Increment the number of valid RAID configs. 149 */ 150 raidconfig = &slots->m_raidconfig[configindex]; 151 slots->m_num_raid_configs++; 152 153 /* 154 * Set the native flag if this is not a foreign 155 * configuration. 156 */ 157 native = ddi_get32(accessp, &raidconfig_page0->Flags); 158 if (native & MPI2_RAIDCONFIG0_FLAG_FOREIGN_CONFIG) { 159 native = FALSE; 160 } else { 161 native = TRUE; 162 } 163 raidconfig->m_native = (uint8_t)native; 164 165 /* 166 * Get volume information for the volumes in the 167 * config. 168 */ 169 numelements = ddi_get8(accessp, &raidconfig_page0->NumElements); 170 vol = 0; 171 disk = 0; 172 element = (pMpi2RaidConfig0ConfigElement_t) 173 &raidconfig_page0->ConfigElement; 174 175 for (i = 0; ((i < numelements) && native); i++, element++) { 176 /* 177 * Get the element type. Could be Volume, 178 * PhysDisk, Hot Spare, or Online Capacity 179 * Expansion PhysDisk. 180 */ 181 elementtype = ddi_get16(accessp, &element->ElementFlags); 182 elementtype &= MPI2_RAIDCONFIG0_EFLAGS_MASK_ELEMENT_TYPE; 183 184 /* 185 * For volumes, get the RAID settings and the 186 * WWID. 187 */ 188 if (elementtype == etype_vol) { 189 voldevhandle = ddi_get16(accessp, 190 &element->VolDevHandle); 191 raidconfig->m_raidvol[vol].m_israid = 1; 192 raidconfig->m_raidvol[vol]. 193 m_raidhandle = voldevhandle; 194 /* 195 * Get the settings for the raid 196 * volume. This includes the 197 * DevHandles for the disks making up 198 * the raid volume. 199 */ 200 if (mptsas_get_raid_settings(mpt, 201 &raidconfig->m_raidvol[vol])) 202 continue; 203 204 /* 205 * Get the WWID of the RAID volume for 206 * SAS HBA 207 */ 208 if (mptsas_get_raid_wwid(mpt, 209 &raidconfig->m_raidvol[vol])) 210 continue; 211 212 raidwwn = raidconfig->m_raidvol[vol]. 213 m_raidwwid; 214 215 /* 216 * RAID uses phymask of 0. 217 */ 218 ptgt = mptsas_tgt_alloc(&slots->m_tgttbl, 219 voldevhandle, raidwwn, 0, 0, 0); 220 221 raidconfig->m_raidvol[vol].m_raidtgt = 222 ptgt; 223 224 /* 225 * Increment volume index within this 226 * raid config. 227 */ 228 vol++; 229 } else if ((elementtype == etype_pd) || 230 (elementtype == etype_hs) || 231 (elementtype == etype_oce)) { 232 /* 233 * For all other element types, put 234 * their DevHandles in the phys disk 235 * list of the config. These are all 236 * some variation of a Phys Disk and 237 * this list is used to keep these 238 * disks from going online. 239 */ 240 raidconfig->m_physdisk_devhdl[disk] = ddi_get16(accessp, 241 &element->PhysDiskDevHandle); 242 243 /* 244 * Increment disk index within this 245 * raid config. 246 */ 247 disk++; 248 } 249 } 250 251 return (rval); 252 } 253 254 int 255 mptsas_get_raid_info(mptsas_t *mpt) 256 { 257 int rval = DDI_SUCCESS; 258 uint32_t confignum, pageaddress; 259 uint8_t configindex; 260 mptsas_slots_t *slots = mpt->m_active; 261 262 ASSERT(mutex_owned(&mpt->m_mutex)); 263 264 /* 265 * Clear all RAID info before starting. 266 */ 267 bzero(slots->m_raidconfig, sizeof (slots->m_raidconfig)); 268 slots->m_num_raid_configs = 0; 269 270 configindex = 0; 271 confignum = 0xff; 272 pageaddress = MPI2_RAID_PGAD_FORM_GET_NEXT_CONFIGNUM | confignum; 273 while (rval == DDI_SUCCESS) { 274 /* 275 * Get the header and config page. reply contains the reply 276 * frame, which holds status info for the request. 277 */ 278 rval = mptsas_access_config_page(mpt, 279 MPI2_CONFIG_ACTION_PAGE_READ_CURRENT, 280 MPI2_CONFIG_EXTPAGETYPE_RAID_CONFIG, 0, pageaddress, 281 mptsas_raidconf_page_0_cb, &confignum, configindex); 282 configindex++; 283 pageaddress = MPI2_RAID_PGAD_FORM_GET_NEXT_CONFIGNUM | 284 confignum; 285 } 286 287 return (rval); 288 } 289 290 static int 291 mptsas_raidvol_page_0_cb(mptsas_t *mpt, caddr_t page_memp, 292 ddi_acc_handle_t accessp, uint16_t iocstatus, uint32_t iocloginfo, 293 va_list ap) 294 { 295 #ifndef __lock_lint 296 _NOTE(ARGUNUSED(ap)) 297 #endif 298 pMpi2RaidVolPage0_t raidpage; 299 int rval = DDI_SUCCESS, i; 300 mptsas_raidvol_t *raidvol; 301 uint8_t numdisks, volstate, voltype, physdisknum; 302 uint32_t volsetting; 303 uint32_t statusflags, resync_flag; 304 305 if (iocstatus == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) 306 return (DDI_FAILURE); 307 308 if (iocstatus != MPI2_IOCSTATUS_SUCCESS) { 309 mptsas_log(mpt, CE_WARN, "mptsas_raidvol_page0_cb " 310 "config: IOCStatus=0x%x, IOCLogInfo=0x%x", 311 iocstatus, iocloginfo); 312 rval = DDI_FAILURE; 313 return (rval); 314 } 315 316 raidvol = va_arg(ap, mptsas_raidvol_t *); 317 318 raidpage = (pMpi2RaidVolPage0_t)page_memp; 319 volstate = ddi_get8(accessp, &raidpage->VolumeState); 320 volsetting = ddi_get32(accessp, 321 (uint32_t *)(void *)&raidpage->VolumeSettings); 322 statusflags = ddi_get32(accessp, &raidpage->VolumeStatusFlags); 323 voltype = ddi_get8(accessp, &raidpage->VolumeType); 324 325 raidvol->m_state = volstate; 326 raidvol->m_statusflags = statusflags; 327 /* 328 * Volume size is not used right now. Set to 0. 329 */ 330 raidvol->m_raidsize = 0; 331 raidvol->m_settings = volsetting; 332 raidvol->m_raidlevel = voltype; 333 334 if (statusflags & MPI2_RAIDVOL0_STATUS_FLAG_QUIESCED) { 335 mptsas_log(mpt, CE_NOTE, "?Volume %d is quiesced\n", 336 raidvol->m_raidhandle); 337 } 338 339 if (statusflags & 340 MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) { 341 mptsas_log(mpt, CE_NOTE, "?Volume %d is resyncing\n", 342 raidvol->m_raidhandle); 343 } 344 345 resync_flag = MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS; 346 switch (volstate) { 347 case MPI2_RAID_VOL_STATE_OPTIMAL: 348 mptsas_log(mpt, CE_NOTE, "?Volume %d is " 349 "optimal\n", raidvol->m_raidhandle); 350 break; 351 case MPI2_RAID_VOL_STATE_DEGRADED: 352 if ((statusflags & resync_flag) == 0) { 353 mptsas_log(mpt, CE_WARN, "Volume %d " 354 "is degraded\n", 355 raidvol->m_raidhandle); 356 } 357 break; 358 case MPI2_RAID_VOL_STATE_FAILED: 359 mptsas_log(mpt, CE_WARN, "Volume %d is " 360 "failed\n", raidvol->m_raidhandle); 361 break; 362 case MPI2_RAID_VOL_STATE_MISSING: 363 mptsas_log(mpt, CE_WARN, "Volume %d is " 364 "missing\n", raidvol->m_raidhandle); 365 break; 366 default: 367 break; 368 } 369 numdisks = raidpage->NumPhysDisks; 370 raidvol->m_ndisks = numdisks; 371 for (i = 0; i < numdisks; i++) { 372 physdisknum = raidpage->PhysDisk[i].PhysDiskNum; 373 raidvol->m_disknum[i] = physdisknum; 374 if (mptsas_get_physdisk_settings(mpt, raidvol, 375 physdisknum)) 376 break; 377 } 378 return (rval); 379 } 380 381 int 382 mptsas_get_raid_settings(mptsas_t *mpt, mptsas_raidvol_t *raidvol) 383 { 384 int rval = DDI_SUCCESS; 385 uint32_t page_address; 386 387 ASSERT(mutex_owned(&mpt->m_mutex)); 388 389 /* 390 * Get the header and config page. reply contains the reply frame, 391 * which holds status info for the request. 392 */ 393 page_address = (MPI2_RAID_VOLUME_PGAD_FORM_MASK & 394 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE) | raidvol->m_raidhandle; 395 rval = mptsas_access_config_page(mpt, 396 MPI2_CONFIG_ACTION_PAGE_READ_CURRENT, 397 MPI2_CONFIG_PAGETYPE_RAID_VOLUME, 0, page_address, 398 mptsas_raidvol_page_0_cb, raidvol); 399 400 return (rval); 401 } 402 403 static int 404 mptsas_raidvol_page_1_cb(mptsas_t *mpt, caddr_t page_memp, 405 ddi_acc_handle_t accessp, uint16_t iocstatus, uint32_t iocloginfo, 406 va_list ap) 407 { 408 #ifndef __lock_lint 409 _NOTE(ARGUNUSED(ap)) 410 #endif 411 pMpi2RaidVolPage1_t raidpage; 412 int rval = DDI_SUCCESS, i; 413 uint8_t *sas_addr = NULL; 414 uint8_t tmp_sas_wwn[SAS_WWN_BYTE_SIZE]; 415 uint64_t *sas_wwn; 416 417 if (iocstatus != MPI2_IOCSTATUS_SUCCESS) { 418 mptsas_log(mpt, CE_WARN, "mptsas_raidvol_page_1_cb " 419 "config: IOCStatus=0x%x, IOCLogInfo=0x%x", 420 iocstatus, iocloginfo); 421 rval = DDI_FAILURE; 422 return (rval); 423 } 424 sas_wwn = va_arg(ap, uint64_t *); 425 426 raidpage = (pMpi2RaidVolPage1_t)page_memp; 427 sas_addr = (uint8_t *)(&raidpage->WWID); 428 for (i = 0; i < SAS_WWN_BYTE_SIZE; i++) { 429 tmp_sas_wwn[i] = ddi_get8(accessp, sas_addr + i); 430 } 431 bcopy(tmp_sas_wwn, sas_wwn, SAS_WWN_BYTE_SIZE); 432 *sas_wwn = LE_64(*sas_wwn); 433 return (rval); 434 } 435 436 static int 437 mptsas_get_raid_wwid(mptsas_t *mpt, mptsas_raidvol_t *raidvol) 438 { 439 int rval = DDI_SUCCESS; 440 uint32_t page_address; 441 uint64_t sas_wwn; 442 443 ASSERT(mutex_owned(&mpt->m_mutex)); 444 445 /* 446 * Get the header and config page. reply contains the reply frame, 447 * which holds status info for the request. 448 */ 449 page_address = (MPI2_RAID_VOLUME_PGAD_FORM_MASK & 450 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE) | raidvol->m_raidhandle; 451 rval = mptsas_access_config_page(mpt, 452 MPI2_CONFIG_ACTION_PAGE_READ_CURRENT, 453 MPI2_CONFIG_PAGETYPE_RAID_VOLUME, 1, page_address, 454 mptsas_raidvol_page_1_cb, &sas_wwn); 455 456 /* 457 * Get the required information from the page. 458 */ 459 if (rval == DDI_SUCCESS) { 460 461 /* 462 * replace top nibble of WWID of RAID to '3' for OBP 463 */ 464 sas_wwn = MPTSAS_RAID_WWID(sas_wwn); 465 raidvol->m_raidwwid = sas_wwn; 466 } 467 468 done: 469 return (rval); 470 } 471 472 static int 473 mptsas_raidphydsk_page_0_cb(mptsas_t *mpt, caddr_t page_memp, 474 ddi_acc_handle_t accessp, uint16_t iocstatus, uint32_t iocloginfo, 475 va_list ap) 476 { 477 #ifndef __lock_lint 478 _NOTE(ARGUNUSED(ap)) 479 #endif 480 pMpi2RaidPhysDiskPage0_t diskpage; 481 int rval = DDI_SUCCESS; 482 uint16_t *devhdl; 483 uint8_t *state; 484 485 if (iocstatus == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) 486 return (DDI_FAILURE); 487 488 if (iocstatus != MPI2_IOCSTATUS_SUCCESS) { 489 mptsas_log(mpt, CE_WARN, "mptsas_raidphydsk_page0_cb " 490 "config: IOCStatus=0x%x, IOCLogInfo=0x%x", 491 iocstatus, iocloginfo); 492 rval = DDI_FAILURE; 493 return (rval); 494 } 495 devhdl = va_arg(ap, uint16_t *); 496 state = va_arg(ap, uint8_t *); 497 diskpage = (pMpi2RaidPhysDiskPage0_t)page_memp; 498 *devhdl = ddi_get16(accessp, &diskpage->DevHandle); 499 *state = ddi_get8(accessp, &diskpage->PhysDiskState); 500 return (rval); 501 } 502 503 int 504 mptsas_get_physdisk_settings(mptsas_t *mpt, mptsas_raidvol_t *raidvol, 505 uint8_t physdisknum) 506 { 507 int rval = DDI_SUCCESS, i; 508 uint8_t state; 509 uint16_t devhdl; 510 uint32_t page_address; 511 512 ASSERT(mutex_owned(&mpt->m_mutex)); 513 514 /* 515 * Get the header and config page. reply contains the reply frame, 516 * which holds status info for the request. 517 */ 518 page_address = (MPI2_PHYSDISK_PGAD_FORM_MASK & 519 MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM) | physdisknum; 520 rval = mptsas_access_config_page(mpt, 521 MPI2_CONFIG_ACTION_PAGE_READ_CURRENT, 522 MPI2_CONFIG_PAGETYPE_RAID_PHYSDISK, 0, page_address, 523 mptsas_raidphydsk_page_0_cb, &devhdl, &state); 524 525 /* 526 * Get the required information from the page. 527 */ 528 if (rval == DDI_SUCCESS) { 529 for (i = 0; i < MPTSAS_MAX_DISKS_IN_VOL; i++) { 530 /* find the correct position in the arrays */ 531 if (raidvol->m_disknum[i] == physdisknum) 532 break; 533 } 534 raidvol->m_devhdl[i] = devhdl; 535 536 switch (state) { 537 case MPI2_RAID_PD_STATE_OFFLINE: 538 raidvol->m_diskstatus[i] = 539 RAID_DISKSTATUS_FAILED; 540 break; 541 542 case MPI2_RAID_PD_STATE_HOT_SPARE: 543 case MPI2_RAID_PD_STATE_NOT_CONFIGURED: 544 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: 545 break; 546 547 case MPI2_RAID_PD_STATE_DEGRADED: 548 case MPI2_RAID_PD_STATE_OPTIMAL: 549 case MPI2_RAID_PD_STATE_REBUILDING: 550 case MPI2_RAID_PD_STATE_ONLINE: 551 default: 552 raidvol->m_diskstatus[i] = 553 RAID_DISKSTATUS_GOOD; 554 break; 555 } 556 } 557 558 return (rval); 559 } 560 561 /* 562 * RAID Action for System Shutdown. This request uses the dedicated TM slot to 563 * avoid a call to mptsas_save_cmd. Since Solaris requires that the mutex is 564 * not held during the mptsas_quiesce function, this RAID action must not use 565 * the normal code path of requests and replies. 566 */ 567 void 568 mptsas_raid_action_system_shutdown(mptsas_t *mpt) 569 { 570 pMpi2RaidActionRequest_t action; 571 uint8_t ir_active = FALSE, reply_type; 572 uint8_t function, found_reply = FALSE; 573 uint16_t SMID, action_type; 574 mptsas_slots_t *slots = mpt->m_active; 575 int config, vol; 576 mptsas_cmd_t *cmd; 577 uint32_t request_desc_low, reply_addr; 578 int cnt; 579 pMpi2ReplyDescriptorsUnion_t reply_desc_union; 580 pMPI2DefaultReply_t reply; 581 pMpi2AddressReplyDescriptor_t address_reply; 582 583 /* 584 * Before doing the system shutdown RAID Action, make sure that the IOC 585 * supports IR and make sure there is a valid volume for the request. 586 */ 587 if (mpt->m_ir_capable) { 588 for (config = 0; (config < slots->m_num_raid_configs) && 589 (!ir_active); config++) { 590 for (vol = 0; vol < MPTSAS_MAX_RAIDVOLS; vol++) { 591 if (slots->m_raidconfig[config].m_raidvol[vol]. 592 m_israid) { 593 ir_active = TRUE; 594 break; 595 } 596 } 597 } 598 } 599 if (!ir_active) { 600 return; 601 } 602 603 /* 604 * If TM slot is already being used (highly unlikely), show message and 605 * don't issue the RAID action. 606 */ 607 if (slots->m_slot[MPTSAS_TM_SLOT(mpt)] != NULL) { 608 mptsas_log(mpt, CE_WARN, "RAID Action slot in use. Cancelling" 609 " System Shutdown RAID Action.\n"); 610 return; 611 } 612 613 /* 614 * Create the cmd and put it in the dedicated TM slot. 615 */ 616 cmd = &(mpt->m_event_task_mgmt.m_event_cmd); 617 bzero((caddr_t)cmd, sizeof (*cmd)); 618 cmd->cmd_pkt = NULL; 619 cmd->cmd_slot = MPTSAS_TM_SLOT(mpt); 620 slots->m_slot[MPTSAS_TM_SLOT(mpt)] = cmd; 621 622 /* 623 * Form message for raid action. 624 */ 625 action = (pMpi2RaidActionRequest_t)(mpt->m_req_frame + 626 (mpt->m_req_frame_size * cmd->cmd_slot)); 627 bzero(action, mpt->m_req_frame_size); 628 action->Function = MPI2_FUNCTION_RAID_ACTION; 629 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; 630 631 /* 632 * Send RAID Action. 633 */ 634 (void) ddi_dma_sync(mpt->m_dma_req_frame_hdl, 0, 0, 635 DDI_DMA_SYNC_FORDEV); 636 request_desc_low = (cmd->cmd_slot << 16) + 637 MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 638 MPTSAS_START_CMD(mpt, request_desc_low, 0); 639 640 /* 641 * Even though reply does not matter because the system is shutting 642 * down, wait no more than 5 seconds here to get the reply just because 643 * we don't want to leave it hanging if it's coming. Poll because 644 * interrupts are disabled when this function is called. 645 */ 646 for (cnt = 0; cnt < 5000; cnt++) { 647 /* 648 * Check for a reply. 649 */ 650 (void) ddi_dma_sync(mpt->m_dma_post_queue_hdl, 0, 0, 651 DDI_DMA_SYNC_FORCPU); 652 653 reply_desc_union = (pMpi2ReplyDescriptorsUnion_t) 654 MPTSAS_GET_NEXT_REPLY(mpt, mpt->m_post_index); 655 656 if (ddi_get32(mpt->m_acc_post_queue_hdl, 657 &reply_desc_union->Words.Low) == 0xFFFFFFFF || 658 ddi_get32(mpt->m_acc_post_queue_hdl, 659 &reply_desc_union->Words.High) == 0xFFFFFFFF) { 660 drv_usecwait(1000); 661 continue; 662 } 663 664 /* 665 * There is a reply. If it's not an address reply, ignore it. 666 */ 667 reply_type = ddi_get8(mpt->m_acc_post_queue_hdl, 668 &reply_desc_union->Default.ReplyFlags); 669 reply_type &= MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; 670 if (reply_type != MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) { 671 goto clear_and_continue; 672 } 673 674 /* 675 * SMID must be the TM slot since that's what we're using for 676 * this RAID action. If not, ignore this reply. 677 */ 678 address_reply = 679 (pMpi2AddressReplyDescriptor_t)reply_desc_union; 680 SMID = ddi_get16(mpt->m_acc_post_queue_hdl, 681 &address_reply->SMID); 682 if (SMID != MPTSAS_TM_SLOT(mpt)) { 683 goto clear_and_continue; 684 } 685 686 /* 687 * If reply frame is not in the proper range ignore it. 688 */ 689 reply_addr = ddi_get32(mpt->m_acc_post_queue_hdl, 690 &address_reply->ReplyFrameAddress); 691 if ((reply_addr < mpt->m_reply_frame_dma_addr) || 692 (reply_addr >= (mpt->m_reply_frame_dma_addr + 693 (mpt->m_reply_frame_size * mpt->m_free_queue_depth))) || 694 ((reply_addr - mpt->m_reply_frame_dma_addr) % 695 mpt->m_reply_frame_size != 0)) { 696 goto clear_and_continue; 697 } 698 699 /* 700 * If not a RAID action reply ignore it. 701 */ 702 (void) ddi_dma_sync(mpt->m_dma_reply_frame_hdl, 0, 0, 703 DDI_DMA_SYNC_FORCPU); 704 reply = (pMPI2DefaultReply_t)(mpt->m_reply_frame + 705 (reply_addr - mpt->m_reply_frame_dma_addr)); 706 function = ddi_get8(mpt->m_acc_reply_frame_hdl, 707 &reply->Function); 708 if (function != MPI2_FUNCTION_RAID_ACTION) { 709 goto clear_and_continue; 710 } 711 712 /* 713 * Finally, make sure this is the System Shutdown RAID action. 714 * If not, ignore reply. 715 */ 716 action_type = ddi_get16(mpt->m_acc_reply_frame_hdl, 717 &reply->FunctionDependent1); 718 if (action_type != 719 MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED) { 720 goto clear_and_continue; 721 } 722 found_reply = TRUE; 723 724 clear_and_continue: 725 /* 726 * Clear the reply descriptor for re-use and increment index. 727 */ 728 ddi_put64(mpt->m_acc_post_queue_hdl, 729 &((uint64_t *)(void *)mpt->m_post_queue)[mpt->m_post_index], 730 0xFFFFFFFFFFFFFFFF); 731 (void) ddi_dma_sync(mpt->m_dma_post_queue_hdl, 0, 0, 732 DDI_DMA_SYNC_FORDEV); 733 734 /* 735 * Update the global reply index and keep looking for the 736 * reply if not found yet. 737 */ 738 if (++mpt->m_post_index == mpt->m_post_queue_depth) { 739 mpt->m_post_index = 0; 740 } 741 ddi_put32(mpt->m_datap, &mpt->m_reg->ReplyPostHostIndex, 742 mpt->m_post_index); 743 if (!found_reply) { 744 continue; 745 } 746 747 break; 748 } 749 750 /* 751 * clear the used slot as the last step. 752 */ 753 slots->m_slot[MPTSAS_TM_SLOT(mpt)] = NULL; 754 } 755 756 int 757 mptsas_delete_volume(mptsas_t *mpt, uint16_t volid) 758 { 759 int config, i = 0, vol = (-1); 760 mptsas_slots_t *slots = mpt->m_active; 761 762 for (config = 0; (config < slots->m_num_raid_configs) && (vol != i); 763 config++) { 764 for (i = 0; i < MPTSAS_MAX_RAIDVOLS; i++) { 765 if (slots->m_raidconfig[config].m_raidvol[i]. 766 m_raidhandle == volid) { 767 vol = i; 768 break; 769 } 770 } 771 } 772 773 if (vol < 0) { 774 mptsas_log(mpt, CE_WARN, "raid doesn't exist at specified " 775 "target."); 776 return (-1); 777 } 778 779 slots->m_raidconfig[config].m_raidvol[vol].m_israid = 0; 780 slots->m_raidconfig[config].m_raidvol[vol].m_ndisks = 0; 781 for (i = 0; i < MPTSAS_MAX_DISKS_IN_VOL; i++) { 782 slots->m_raidconfig[config].m_raidvol[vol].m_disknum[i] = 0; 783 slots->m_raidconfig[config].m_raidvol[vol].m_devhdl[i] = 0; 784 } 785 786 return (0); 787 }