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 2010 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  * Copyright (c) 2014, Tegile Systems Inc. All rights reserved.
  26  * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
  27  */
  28 
  29 /*
  30  * Copyright (c) 2000 to 2010, LSI Corporation.
  31  * All rights reserved.
  32  *
  33  * Redistribution and use in source and binary forms of all code within
  34  * this file that is exclusively owned by LSI, with or without
  35  * modification, is permitted provided that, in addition to the CDDL 1.0
  36  * License requirements, the following conditions are met:
  37  *
  38  *    Neither the name of the author nor the names of its contributors may be
  39  *    used to endorse or promote products derived from this software without
  40  *    specific prior written permission.
  41  *
  42  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  43  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  44  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  45  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  46  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  47  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  48  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  49  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  50  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  51  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  52  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
  53  * DAMAGE.
  54  */
  55 
  56 /*
  57  * mptsas_raid - This file contains all the RAID related functions for the
  58  * MPT interface.
  59  */
  60 
  61 #if defined(lint) || defined(DEBUG)
  62 #define MPTSAS_DEBUG
  63 #endif
  64 
  65 #define MPI_RAID_VOL_PAGE_0_PHYSDISK_MAX        2
  66 
  67 /*
  68  * standard header files
  69  */
  70 #include <sys/note.h>
  71 #include <sys/scsi/scsi.h>
  72 #include <sys/byteorder.h>
  73 #include <sys/raidioctl.h>
  74 
  75 #pragma pack(1)
  76 
  77 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_type.h>
  78 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2.h>
  79 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_cnfg.h>
  80 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_init.h>
  81 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_ioc.h>
  82 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_raid.h>
  83 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_tool.h>
  84 
  85 #pragma pack()
  86 
  87 /*
  88  * private header files.
  89  */
  90 #include <sys/scsi/adapters/mpt_sas/mptsas_var.h>
  91 
  92 static int mptsas_get_raid_wwid(mptsas_t *mpt, mptsas_raidvol_t *raidvol);
  93 
  94 extern int mptsas_check_dma_handle(ddi_dma_handle_t handle);
  95 extern int mptsas_check_acc_handle(ddi_acc_handle_t handle);
  96 extern mptsas_target_t *mptsas_tgt_alloc(refhash_t *, uint16_t,
  97     uint64_t, uint32_t, mptsas_phymask_t, uint8_t);
  98 
  99 static int
 100 mptsas_raidconf_page_0_cb(mptsas_t *mpt, caddr_t page_memp,
 101     ddi_acc_handle_t accessp, uint16_t iocstatus, uint32_t iocloginfo,
 102     va_list ap)
 103 {
 104 #ifndef __lock_lint
 105         _NOTE(ARGUNUSED(ap))
 106 #endif
 107         pMpi2RaidConfigurationPage0_t   raidconfig_page0;
 108         pMpi2RaidConfig0ConfigElement_t element;
 109         uint32_t *confignum;
 110         int rval = DDI_SUCCESS, i;
 111         uint8_t numelements, vol, disk;
 112         uint16_t elementtype, voldevhandle;
 113         uint16_t etype_vol, etype_pd, etype_hs;
 114         uint16_t etype_oce;
 115         m_raidconfig_t *raidconfig;
 116         uint64_t raidwwn;
 117         uint32_t native;
 118         mptsas_target_t *ptgt;
 119         uint32_t configindex;
 120 
 121         if (iocstatus == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) {
 122                 return (DDI_FAILURE);
 123         }
 124 
 125         if (iocstatus != MPI2_IOCSTATUS_SUCCESS) {
 126                 mptsas_log(mpt, CE_WARN, "mptsas_get_raid_conf_page0 "
 127                     "config: IOCStatus=0x%x, IOCLogInfo=0x%x",
 128                     iocstatus, iocloginfo);
 129                 rval = DDI_FAILURE;
 130                 return (rval);
 131         }
 132         confignum = va_arg(ap,  uint32_t *);
 133         configindex = va_arg(ap, uint32_t);
 134         raidconfig_page0 = (pMpi2RaidConfigurationPage0_t)page_memp;
 135         /*
 136          * Get all RAID configurations.
 137          */
 138         etype_vol = MPI2_RAIDCONFIG0_EFLAGS_VOLUME_ELEMENT;
 139         etype_pd = MPI2_RAIDCONFIG0_EFLAGS_VOL_PHYS_DISK_ELEMENT;
 140         etype_hs = MPI2_RAIDCONFIG0_EFLAGS_HOT_SPARE_ELEMENT;
 141         etype_oce = MPI2_RAIDCONFIG0_EFLAGS_OCE_ELEMENT;
 142         /*
 143          * Set up page address for next time through.
 144          */
 145         *confignum =  ddi_get8(accessp,
 146             &raidconfig_page0->ConfigNum);
 147 
 148         /*
 149          * Point to the right config in the structure.
 150          * Increment the number of valid RAID configs.
 151          */
 152         raidconfig = &mpt->m_raidconfig[configindex];
 153         mpt->m_num_raid_configs++;
 154 
 155         /*
 156          * Set the native flag if this is not a foreign
 157          * configuration.
 158          */
 159         native = ddi_get32(accessp, &raidconfig_page0->Flags);
 160         if (native & MPI2_RAIDCONFIG0_FLAG_FOREIGN_CONFIG) {
 161                 native = FALSE;
 162         } else {
 163                 native = TRUE;
 164         }
 165         raidconfig->m_native = (uint8_t)native;
 166 
 167         /*
 168          * Get volume information for the volumes in the
 169          * config.
 170          */
 171         numelements = ddi_get8(accessp, &raidconfig_page0->NumElements);
 172         vol = 0;
 173         disk = 0;
 174         element = (pMpi2RaidConfig0ConfigElement_t)
 175             &raidconfig_page0->ConfigElement;
 176 
 177         for (i = 0; ((i < numelements) && native); i++, element++) {
 178                 /*
 179                  * Get the element type.  Could be Volume,
 180                  * PhysDisk, Hot Spare, or Online Capacity
 181                  * Expansion PhysDisk.
 182                  */
 183                 elementtype = ddi_get16(accessp, &element->ElementFlags);
 184                 elementtype &= MPI2_RAIDCONFIG0_EFLAGS_MASK_ELEMENT_TYPE;
 185 
 186                 /*
 187                  * For volumes, get the RAID settings and the
 188                  * WWID.
 189                  */
 190                 if (elementtype == etype_vol) {
 191                         voldevhandle = ddi_get16(accessp,
 192                             &element->VolDevHandle);
 193                         raidconfig->m_raidvol[vol].m_israid = 1;
 194                         raidconfig->m_raidvol[vol].
 195                             m_raidhandle = voldevhandle;
 196                         /*
 197                          * Get the settings for the raid
 198                          * volume.  This includes the
 199                          * DevHandles for the disks making up
 200                          * the raid volume.
 201                          */
 202                         if (mptsas_get_raid_settings(mpt,
 203                             &raidconfig->m_raidvol[vol]))
 204                                 continue;
 205 
 206                         /*
 207                          * Get the WWID of the RAID volume for
 208                          * SAS HBA
 209                          */
 210                         if (mptsas_get_raid_wwid(mpt,
 211                             &raidconfig->m_raidvol[vol]))
 212                                 continue;
 213 
 214                         raidwwn = raidconfig->m_raidvol[vol].
 215                             m_raidwwid;
 216 
 217                         /*
 218                          * RAID uses phymask of 0.
 219                          */
 220                         ptgt = mptsas_tgt_alloc(mpt->m_targets,
 221                             voldevhandle, raidwwn, 0, 0, 0);
 222 
 223                         raidconfig->m_raidvol[vol].m_raidtgt =
 224                             ptgt;
 225 
 226                         /*
 227                          * Increment volume index within this
 228                          * raid config.
 229                          */
 230                         vol++;
 231                 } else if ((elementtype == etype_pd) ||
 232                     (elementtype == etype_hs) ||
 233                     (elementtype == etype_oce)) {
 234                         /*
 235                          * For all other element types, put
 236                          * their DevHandles in the phys disk
 237                          * list of the config.  These are all
 238                          * some variation of a Phys Disk and
 239                          * this list is used to keep these
 240                          * disks from going online.
 241                          */
 242                         raidconfig->m_physdisk_devhdl[disk] = ddi_get16(accessp,
 243                             &element->PhysDiskDevHandle);
 244 
 245                         /*
 246                          * Increment disk index within this
 247                          * raid config.
 248                          */
 249                         disk++;
 250                 }
 251         }
 252 
 253         return (rval);
 254 }
 255 
 256 int
 257 mptsas_get_raid_info(mptsas_t *mpt)
 258 {
 259         int rval = DDI_SUCCESS;
 260         uint32_t confignum, pageaddress;
 261         uint8_t configindex;
 262 
 263         ASSERT(mutex_owned(&mpt->m_mutex));
 264 
 265         /*
 266          * Clear all RAID info before starting.
 267          */
 268         bzero(mpt->m_raidconfig, sizeof (mpt->m_raidconfig));
 269         mpt->m_num_raid_configs = 0;
 270 
 271         configindex = 0;
 272         confignum = 0xff;
 273         pageaddress = MPI2_RAID_PGAD_FORM_GET_NEXT_CONFIGNUM | confignum;
 274         while (rval == DDI_SUCCESS) {
 275                 /*
 276                  * Get the header and config page.  reply contains the reply
 277                  * frame, which holds status info for the request.
 278                  */
 279                 rval = mptsas_access_config_page(mpt,
 280                     MPI2_CONFIG_ACTION_PAGE_READ_CURRENT,
 281                     MPI2_CONFIG_EXTPAGETYPE_RAID_CONFIG, 0, pageaddress,
 282                     mptsas_raidconf_page_0_cb, &confignum, configindex);
 283                 configindex++;
 284                 pageaddress = MPI2_RAID_PGAD_FORM_GET_NEXT_CONFIGNUM |
 285                     confignum;
 286         }
 287 
 288         return (rval);
 289 }
 290 
 291 static int
 292 mptsas_raidvol_page_0_cb(mptsas_t *mpt, caddr_t page_memp,
 293     ddi_acc_handle_t accessp, uint16_t iocstatus, uint32_t iocloginfo,
 294     va_list ap)
 295 {
 296 #ifndef __lock_lint
 297         _NOTE(ARGUNUSED(ap))
 298 #endif
 299         pMpi2RaidVolPage0_t raidpage;
 300         int rval = DDI_SUCCESS, i;
 301         mptsas_raidvol_t *raidvol;
 302         uint8_t numdisks, volstate, voltype, physdisknum;
 303         uint32_t volsetting;
 304         uint32_t statusflags, resync_flag;
 305 
 306         if (iocstatus == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
 307                 return (DDI_FAILURE);
 308 
 309         if (iocstatus != MPI2_IOCSTATUS_SUCCESS) {
 310                 mptsas_log(mpt, CE_WARN, "mptsas_raidvol_page0_cb "
 311                     "config: IOCStatus=0x%x, IOCLogInfo=0x%x",
 312                     iocstatus, iocloginfo);
 313                 rval = DDI_FAILURE;
 314                 return (rval);
 315         }
 316 
 317         raidvol = va_arg(ap,  mptsas_raidvol_t *);
 318 
 319         raidpage = (pMpi2RaidVolPage0_t)page_memp;
 320         volstate = ddi_get8(accessp, &raidpage->VolumeState);
 321         volsetting = ddi_get32(accessp,
 322             (uint32_t *)(void *)&raidpage->VolumeSettings);
 323         statusflags = ddi_get32(accessp, &raidpage->VolumeStatusFlags);
 324         voltype = ddi_get8(accessp, &raidpage->VolumeType);
 325 
 326         raidvol->m_state = volstate;
 327         raidvol->m_statusflags = statusflags;
 328         /*
 329          * Volume size is not used right now. Set to 0.
 330          */
 331         raidvol->m_raidsize = 0;
 332         raidvol->m_settings = volsetting;
 333         raidvol->m_raidlevel = voltype;
 334 
 335         if (statusflags & MPI2_RAIDVOL0_STATUS_FLAG_QUIESCED) {
 336                 mptsas_log(mpt, CE_NOTE, "?Volume %d is quiesced\n",
 337                     raidvol->m_raidhandle);
 338         }
 339 
 340         if (statusflags &
 341             MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) {
 342                 mptsas_log(mpt, CE_NOTE, "?Volume %d is resyncing\n",
 343                     raidvol->m_raidhandle);
 344         }
 345 
 346         resync_flag = MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS;
 347         switch (volstate) {
 348         case MPI2_RAID_VOL_STATE_OPTIMAL:
 349                 mptsas_log(mpt, CE_NOTE, "?Volume %d is "
 350                     "optimal\n", raidvol->m_raidhandle);
 351                 break;
 352         case MPI2_RAID_VOL_STATE_DEGRADED:
 353                 if ((statusflags & resync_flag) == 0) {
 354                         mptsas_log(mpt, CE_WARN, "Volume %d "
 355                             "is degraded\n",
 356                             raidvol->m_raidhandle);
 357                 }
 358                 break;
 359         case MPI2_RAID_VOL_STATE_FAILED:
 360                 mptsas_log(mpt, CE_WARN, "Volume %d is "
 361                     "failed\n", raidvol->m_raidhandle);
 362                 break;
 363         case MPI2_RAID_VOL_STATE_MISSING:
 364                 mptsas_log(mpt, CE_WARN, "Volume %d is "
 365                     "missing\n", raidvol->m_raidhandle);
 366                 break;
 367         default:
 368                 break;
 369         }
 370         numdisks = raidpage->NumPhysDisks;
 371         raidvol->m_ndisks = numdisks;
 372         for (i = 0; i < numdisks; i++) {
 373                 physdisknum = raidpage->PhysDisk[i].PhysDiskNum;
 374                 raidvol->m_disknum[i] = physdisknum;
 375                 if (mptsas_get_physdisk_settings(mpt, raidvol,
 376                     physdisknum))
 377                         break;
 378         }
 379         return (rval);
 380 }
 381 
 382 int
 383 mptsas_get_raid_settings(mptsas_t *mpt, mptsas_raidvol_t *raidvol)
 384 {
 385         int rval = DDI_SUCCESS;
 386         uint32_t page_address;
 387 
 388         ASSERT(mutex_owned(&mpt->m_mutex));
 389 
 390         /*
 391          * Get the header and config page.  reply contains the reply frame,
 392          * which holds status info for the request.
 393          */
 394         page_address = (MPI2_RAID_VOLUME_PGAD_FORM_MASK &
 395             MPI2_RAID_VOLUME_PGAD_FORM_HANDLE) | raidvol->m_raidhandle;
 396         rval = mptsas_access_config_page(mpt,
 397             MPI2_CONFIG_ACTION_PAGE_READ_CURRENT,
 398             MPI2_CONFIG_PAGETYPE_RAID_VOLUME, 0, page_address,
 399             mptsas_raidvol_page_0_cb, raidvol);
 400 
 401         return (rval);
 402 }
 403 
 404 static int
 405 mptsas_raidvol_page_1_cb(mptsas_t *mpt, caddr_t page_memp,
 406     ddi_acc_handle_t accessp, uint16_t iocstatus, uint32_t iocloginfo,
 407     va_list ap)
 408 {
 409 #ifndef __lock_lint
 410         _NOTE(ARGUNUSED(ap))
 411 #endif
 412         pMpi2RaidVolPage1_t     raidpage;
 413         int                     rval = DDI_SUCCESS, i;
 414         uint8_t                 *sas_addr = NULL;
 415         uint8_t                 tmp_sas_wwn[SAS_WWN_BYTE_SIZE];
 416         uint64_t                *sas_wwn;
 417 
 418         if (iocstatus != MPI2_IOCSTATUS_SUCCESS) {
 419                 mptsas_log(mpt, CE_WARN, "mptsas_raidvol_page_1_cb "
 420                     "config: IOCStatus=0x%x, IOCLogInfo=0x%x",
 421                     iocstatus, iocloginfo);
 422                 rval = DDI_FAILURE;
 423                 return (rval);
 424         }
 425         sas_wwn = va_arg(ap, uint64_t *);
 426 
 427         raidpage = (pMpi2RaidVolPage1_t)page_memp;
 428         sas_addr = (uint8_t *)(&raidpage->WWID);
 429         for (i = 0; i < SAS_WWN_BYTE_SIZE; i++) {
 430                 tmp_sas_wwn[i] = ddi_get8(accessp, sas_addr + i);
 431         }
 432         bcopy(tmp_sas_wwn, sas_wwn, SAS_WWN_BYTE_SIZE);
 433         *sas_wwn = LE_64(*sas_wwn);
 434         return (rval);
 435 }
 436 
 437 static int
 438 mptsas_get_raid_wwid(mptsas_t *mpt, mptsas_raidvol_t *raidvol)
 439 {
 440         int rval = DDI_SUCCESS;
 441         uint32_t page_address;
 442         uint64_t sas_wwn;
 443 
 444         ASSERT(mutex_owned(&mpt->m_mutex));
 445 
 446         /*
 447          * Get the header and config page.  reply contains the reply frame,
 448          * which holds status info for the request.
 449          */
 450         page_address = (MPI2_RAID_VOLUME_PGAD_FORM_MASK &
 451             MPI2_RAID_VOLUME_PGAD_FORM_HANDLE) | raidvol->m_raidhandle;
 452         rval = mptsas_access_config_page(mpt,
 453             MPI2_CONFIG_ACTION_PAGE_READ_CURRENT,
 454             MPI2_CONFIG_PAGETYPE_RAID_VOLUME, 1, page_address,
 455             mptsas_raidvol_page_1_cb, &sas_wwn);
 456 
 457         /*
 458          * Get the required information from the page.
 459          */
 460         if (rval == DDI_SUCCESS) {
 461 
 462                 /*
 463                  * replace top nibble of WWID of RAID to '3' for OBP
 464                  */
 465                 sas_wwn = MPTSAS_RAID_WWID(sas_wwn);
 466                 raidvol->m_raidwwid = sas_wwn;
 467         }
 468 
 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                        reply_addr;
 578         uint64_t                        request_desc;
 579         int                             cnt;
 580         pMpi2ReplyDescriptorsUnion_t    reply_desc_union;
 581         pMPI2DefaultReply_t             reply;
 582         pMpi2AddressReplyDescriptor_t   address_reply;
 583 
 584         /*
 585          * Before doing the system shutdown RAID Action, make sure that the IOC
 586          * supports IR and make sure there is a valid volume for the request.
 587          */
 588         if (mpt->m_ir_capable) {
 589                 for (config = 0; (config < mpt->m_num_raid_configs) &&
 590                     (!ir_active); config++) {
 591                         for (vol = 0; vol < MPTSAS_MAX_RAIDVOLS; vol++) {
 592                                 if (mpt->m_raidconfig[config].m_raidvol[vol].
 593                                     m_israid) {
 594                                         ir_active = TRUE;
 595                                         break;
 596                                 }
 597                         }
 598                 }
 599         }
 600         if (!ir_active) {
 601                 return;
 602         }
 603 
 604         /*
 605          * If TM slot is already being used (highly unlikely), show message and
 606          * don't issue the RAID action.
 607          */
 608         if (slots->m_slot[MPTSAS_TM_SLOT(mpt)] != NULL) {
 609                 mptsas_log(mpt, CE_WARN, "RAID Action slot in use.  Cancelling"
 610                     " System Shutdown RAID Action.\n");
 611                 return;
 612         }
 613 
 614         /*
 615          * Create the cmd and put it in the dedicated TM slot.
 616          */
 617         cmd = &(mpt->m_event_task_mgmt.m_event_cmd);
 618         bzero((caddr_t)cmd, sizeof (*cmd));
 619         cmd->cmd_pkt = NULL;
 620         cmd->cmd_slot = MPTSAS_TM_SLOT(mpt);
 621         slots->m_slot[MPTSAS_TM_SLOT(mpt)] = cmd;
 622 
 623         /*
 624          * Form message for raid action.
 625          */
 626         action = (pMpi2RaidActionRequest_t)(mpt->m_req_frame +
 627             (mpt->m_req_frame_size * cmd->cmd_slot));
 628         bzero(action, mpt->m_req_frame_size);
 629         action->Function = MPI2_FUNCTION_RAID_ACTION;
 630         action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
 631 
 632         /*
 633          * Send RAID Action.
 634          */
 635         (void) ddi_dma_sync(mpt->m_dma_req_frame_hdl, 0, 0,
 636             DDI_DMA_SYNC_FORDEV);
 637         request_desc = (cmd->cmd_slot << 16) +
 638             MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
 639         MPTSAS_START_CMD(mpt, request_desc);
 640 
 641         /*
 642          * Even though reply does not matter because the system is shutting
 643          * down, wait no more than 5 seconds here to get the reply just because
 644          * we don't want to leave it hanging if it's coming.  Poll because
 645          * interrupts are disabled when this function is called.
 646          */
 647         for (cnt = 0; cnt < 5000; cnt++) {
 648                 /*
 649                  * Check for a reply.
 650                  */
 651                 (void) ddi_dma_sync(mpt->m_dma_post_queue_hdl, 0, 0,
 652                     DDI_DMA_SYNC_FORCPU);
 653 
 654                 reply_desc_union = (pMpi2ReplyDescriptorsUnion_t)
 655                     MPTSAS_GET_NEXT_REPLY(mpt, mpt->m_post_index);
 656 
 657                 if (ddi_get32(mpt->m_acc_post_queue_hdl,
 658                     &reply_desc_union->Words.Low) == 0xFFFFFFFF ||
 659                     ddi_get32(mpt->m_acc_post_queue_hdl,
 660                     &reply_desc_union->Words.High) == 0xFFFFFFFF) {
 661                         drv_usecwait(1000);
 662                         continue;
 663                 }
 664 
 665                 /*
 666                  * There is a reply.  If it's not an address reply, ignore it.
 667                  */
 668                 reply_type = ddi_get8(mpt->m_acc_post_queue_hdl,
 669                     &reply_desc_union->Default.ReplyFlags);
 670                 reply_type &= MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
 671                 if (reply_type != MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) {
 672                         goto clear_and_continue;
 673                 }
 674 
 675                 /*
 676                  * SMID must be the TM slot since that's what we're using for
 677                  * this RAID action.  If not, ignore this reply.
 678                  */
 679                 address_reply =
 680                     (pMpi2AddressReplyDescriptor_t)reply_desc_union;
 681                 SMID = ddi_get16(mpt->m_acc_post_queue_hdl,
 682                     &address_reply->SMID);
 683                 if (SMID != MPTSAS_TM_SLOT(mpt)) {
 684                         goto clear_and_continue;
 685                 }
 686 
 687                 /*
 688                  * If reply frame is not in the proper range ignore it.
 689                  */
 690                 reply_addr = ddi_get32(mpt->m_acc_post_queue_hdl,
 691                     &address_reply->ReplyFrameAddress);
 692                 if ((reply_addr < mpt->m_reply_frame_dma_addr) ||
 693                     (reply_addr >= (mpt->m_reply_frame_dma_addr +
 694                     (mpt->m_reply_frame_size * mpt->m_free_queue_depth))) ||
 695                     ((reply_addr - mpt->m_reply_frame_dma_addr) %
 696                     mpt->m_reply_frame_size != 0)) {
 697                         goto clear_and_continue;
 698                 }
 699 
 700                 /*
 701                  * If not a RAID action reply ignore it.
 702                  */
 703                 (void) ddi_dma_sync(mpt->m_dma_reply_frame_hdl, 0, 0,
 704                     DDI_DMA_SYNC_FORCPU);
 705                 reply = (pMPI2DefaultReply_t)(mpt->m_reply_frame +
 706                     (reply_addr - mpt->m_reply_frame_dma_addr));
 707                 function = ddi_get8(mpt->m_acc_reply_frame_hdl,
 708                     &reply->Function);
 709                 if (function != MPI2_FUNCTION_RAID_ACTION) {
 710                         goto clear_and_continue;
 711                 }
 712 
 713                 /*
 714                  * Finally, make sure this is the System Shutdown RAID action.
 715                  * If not, ignore reply.
 716                  */
 717                 action_type = ddi_get16(mpt->m_acc_reply_frame_hdl,
 718                     &reply->FunctionDependent1);
 719                 if (action_type !=
 720                     MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED) {
 721                         goto clear_and_continue;
 722                 }
 723                 found_reply = TRUE;
 724 
 725 clear_and_continue:
 726                 /*
 727                  * Clear the reply descriptor for re-use and increment index.
 728                  */
 729                 ddi_put64(mpt->m_acc_post_queue_hdl,
 730                     &((uint64_t *)(void *)mpt->m_post_queue)[mpt->m_post_index],
 731                     0xFFFFFFFFFFFFFFFF);
 732                 (void) ddi_dma_sync(mpt->m_dma_post_queue_hdl, 0, 0,
 733                     DDI_DMA_SYNC_FORDEV);
 734 
 735                 /*
 736                  * Update the global reply index and keep looking for the
 737                  * reply if not found yet.
 738                  */
 739                 if (++mpt->m_post_index == mpt->m_post_queue_depth) {
 740                         mpt->m_post_index = 0;
 741                 }
 742                 ddi_put32(mpt->m_datap, &mpt->m_reg->ReplyPostHostIndex,
 743                     mpt->m_post_index);
 744                 if (!found_reply) {
 745                         continue;
 746                 }
 747 
 748                 break;
 749         }
 750 
 751         /*
 752          * clear the used slot as the last step.
 753          */
 754         slots->m_slot[MPTSAS_TM_SLOT(mpt)] = NULL;
 755 }
 756 
 757 int
 758 mptsas_delete_volume(mptsas_t *mpt, uint16_t volid)
 759 {
 760         int             config, i = 0, vol = (-1);
 761 
 762         for (config = 0; (config < mpt->m_num_raid_configs) && (vol != i);
 763             config++) {
 764                 for (i = 0; i < MPTSAS_MAX_RAIDVOLS; i++) {
 765                         if (mpt->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         mpt->m_raidconfig[config].m_raidvol[vol].m_israid = 0;
 780         mpt->m_raidconfig[config].m_raidvol[vol].m_ndisks = 0;
 781         for (i = 0; i < MPTSAS_MAX_DISKS_IN_VOL; i++) {
 782                 mpt->m_raidconfig[config].m_raidvol[vol].m_disknum[i] = 0;
 783                 mpt->m_raidconfig[config].m_raidvol[vol].m_devhdl[i] = 0;
 784         }
 785 
 786         return (0);
 787 }