drivers/message/fusion/mptscsih.c

   1 /*
   2  *  linux/drivers/message/fusion/mptscsih.c
   3  *      For use with LSI PCI chip/adapter(s)
   4  *      running LSI Fusion MPT (Message Passing Technology) firmware.
   5  *
   6  *  Copyright (c) 1999-2008 LSI Corporation
   7  *  (mailto:DL-MPTFusionLinux@lsi.com)
   8  *
   9  */
  10 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  11 /*
  12     This program is free software; you can redistribute it and/or modify
  13     it under the terms of the GNU General Public License as published by
  14     the Free Software Foundation; version 2 of the License.
  15
  16     This program is distributed in the hope that it will be useful,
  17     but WITHOUT ANY WARRANTY; without even the implied warranty of
  18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19     GNU General Public License for more details.
  20
  21     NO WARRANTY
  22     THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
  23     CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
  24     LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
  25     MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
  26     solely responsible for determining the appropriateness of using and
  27     distributing the Program and assumes all risks associated with its
  28     exercise of rights under this Agreement, including but not limited to
  29     the risks and costs of program errors, damage to or loss of data,
  30     programs or equipment, and unavailability or interruption of operations.
  31
  32     DISCLAIMER OF LIABILITY
  33     NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
  34     DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  35     DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
  36     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  37     TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  38     USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
  39     HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
  40
  41     You should have received a copy of the GNU General Public License
  42     along with this program; if not, write to the Free Software
  43     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  44 */
  45 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  46
  47 #include <linux/module.h>
  48 #include <linux/kernel.h>
  49 #include <linux/slab.h>
  50 #include <linux/init.h>
  51 #include <linux/errno.h>
  52 #include <linux/kdev_t.h>
  53 #include <linux/blkdev.h>
  54 #include <linux/delay.h>        /* for mdelay */
  55 #include <linux/interrupt.h>
  56 #include <linux/reboot.h>       /* notifier code */
  57 #include <linux/workqueue.h>
  58
  59 #include <scsi/scsi.h>
  60 #include <scsi/scsi_cmnd.h>
  61 #include <scsi/scsi_device.h>
  62 #include <scsi/scsi_host.h>
  63 #include <scsi/scsi_tcq.h>
  64 #include <scsi/scsi_dbg.h>
  65
  66 #include "mptbase.h"
  67 #include "mptscsih.h"
  68 #include "lsi/mpi_log_sas.h"
  69
  70 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  71 #define my_NAME         "Fusion MPT SCSI Host driver"
  72 #define my_VERSION      MPT_LINUX_VERSION_COMMON
  73 #define MYNAM           "mptscsih"
  74
  75 MODULE_AUTHOR(MODULEAUTHOR);
  76 MODULE_DESCRIPTION(my_NAME);
  77 MODULE_LICENSE("GPL");
  78 MODULE_VERSION(my_VERSION);
  79
  80 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  81 /*
  82  *  Other private/forward protos...
  83  */
  84 struct scsi_cmnd        *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
  85 static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
  86 static void     mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
  87 static int      SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
  88 int             mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
  89 static void     mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
  90 int             mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
  91
  92 static int      mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
  93                                  SCSIIORequest_t *pReq, int req_idx);
  94 static void     mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
  95 static void     mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
  96
  97 int     mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
  98                 u64 lun, int ctx2abort, ulong timeout);
  99
 100 int             mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
 101 int             mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
 102
 103 void
 104 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
 105 static int      mptscsih_get_completion_code(MPT_ADAPTER *ioc,
 106                 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
 107 int             mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
 108 static int      mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
 109 static void     mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
 110
 111 static int
 112 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
 113                                 SCSITaskMgmtReply_t *pScsiTmReply);
 114 void            mptscsih_remove(struct pci_dev *);
 115 void            mptscsih_shutdown(struct pci_dev *);
 116 #ifdef CONFIG_PM
 117 int             mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
 118 int             mptscsih_resume(struct pci_dev *pdev);
 119 #endif
 120
 121
 122 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 123 /*
 124  *      mptscsih_getFreeChainBuffer - Function to get a free chain
 125  *      from the MPT_SCSI_HOST FreeChainQ.
 126  *      @ioc: Pointer to MPT_ADAPTER structure
 127  *      @req_idx: Index of the SCSI IO request frame. (output)
 128  *
 129  *      return SUCCESS or FAILED
 130  */
 131 static inline int
 132 mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
 133 {
 134         MPT_FRAME_HDR *chainBuf;
 135         unsigned long flags;
 136         int rc;
 137         int chain_idx;
 138
 139         dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
 140             ioc->name));
 141         spin_lock_irqsave(&ioc->FreeQlock, flags);
 142         if (!list_empty(&ioc->FreeChainQ)) {
 143                 int offset;
 144
 145                 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
 146                                 u.frame.linkage.list);
 147                 list_del(&chainBuf->u.frame.linkage.list);
 148                 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
 149                 chain_idx = offset / ioc->req_sz;
 150                 rc = SUCCESS;
 151                 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
 152                     "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
 153                     ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
 154         } else {
 155                 rc = FAILED;
 156                 chain_idx = MPT_HOST_NO_CHAIN;
 157                 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
 158                     ioc->name));
 159         }
 160         spin_unlock_irqrestore(&ioc->FreeQlock, flags);
 161
 162         *retIndex = chain_idx;
 163         return rc;
 164 } /* mptscsih_getFreeChainBuffer() */
 165
 166 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 167 /*
 168  *      mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
 169  *      SCSIIORequest_t Message Frame.
 170  *      @ioc: Pointer to MPT_ADAPTER structure
 171  *      @SCpnt: Pointer to scsi_cmnd structure
 172  *      @pReq: Pointer to SCSIIORequest_t structure
 173  *
 174  *      Returns ...
 175  */
 176 static int
 177 mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
 178                 SCSIIORequest_t *pReq, int req_idx)
 179 {
 180         char    *psge;
 181         char    *chainSge;
 182         struct scatterlist *sg;
 183         int      frm_sz;
 184         int      sges_left, sg_done;
 185         int      chain_idx = MPT_HOST_NO_CHAIN;
 186         int      sgeOffset;
 187         int      numSgeSlots, numSgeThisFrame;
 188         u32      sgflags, sgdir, thisxfer = 0;
 189         int      chain_dma_off = 0;
 190         int      newIndex;
 191         int      ii;
 192         dma_addr_t v2;
 193         u32     RequestNB;
 194
 195         sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
 196         if (sgdir == MPI_SCSIIO_CONTROL_WRITE)  {
 197                 sgdir = MPT_TRANSFER_HOST_TO_IOC;
 198         } else {
 199                 sgdir = MPT_TRANSFER_IOC_TO_HOST;
 200         }
 201
 202         psge = (char *) &pReq->SGL;
 203         frm_sz = ioc->req_sz;
 204
 205         /* Map the data portion, if any.
 206          * sges_left  = 0 if no data transfer.
 207          */
 208         sges_left = scsi_dma_map(SCpnt);
 209         if (sges_left < 0)
 210                 return FAILED;
 211
 212         /* Handle the SG case.
 213          */
 214         sg = scsi_sglist(SCpnt);
 215         sg_done  = 0;
 216         sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
 217         chainSge = NULL;
 218
 219         /* Prior to entering this loop - the following must be set
 220          * current MF:  sgeOffset (bytes)
 221          *              chainSge (Null if original MF is not a chain buffer)
 222          *              sg_done (num SGE done for this MF)
 223          */
 224
 225 nextSGEset:
 226         numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
 227         numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
 228
 229         sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
 230
 231         /* Get first (num - 1) SG elements
 232          * Skip any SG entries with a length of 0
 233          * NOTE: at finish, sg and psge pointed to NEXT data/location positions
 234          */
 235         for (ii=0; ii < (numSgeThisFrame-1); ii++) {
 236                 thisxfer = sg_dma_len(sg);
 237                 if (thisxfer == 0) {
 238                         /* Get next SG element from the OS */
 239                         sg = sg_next(sg);
 240                         sg_done++;
 241                         continue;
 242                 }
 243
 244                 v2 = sg_dma_address(sg);
 245                 ioc->add_sge(psge, sgflags | thisxfer, v2);
 246
 247                 /* Get next SG element from the OS */
 248                 sg = sg_next(sg);
 249                 psge += ioc->SGE_size;
 250                 sgeOffset += ioc->SGE_size;
 251                 sg_done++;
 252         }
 253
 254         if (numSgeThisFrame == sges_left) {
 255                 /* Add last element, end of buffer and end of list flags.
 256                  */
 257                 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
 258                                 MPT_SGE_FLAGS_END_OF_BUFFER |
 259                                 MPT_SGE_FLAGS_END_OF_LIST;
 260
 261                 /* Add last SGE and set termination flags.
 262                  * Note: Last SGE may have a length of 0 - which should be ok.
 263                  */
 264                 thisxfer = sg_dma_len(sg);
 265
 266                 v2 = sg_dma_address(sg);
 267                 ioc->add_sge(psge, sgflags | thisxfer, v2);
 268                 sgeOffset += ioc->SGE_size;
 269                 sg_done++;
 270
 271                 if (chainSge) {
 272                         /* The current buffer is a chain buffer,
 273                          * but there is not another one.
 274                          * Update the chain element
 275                          * Offset and Length fields.
 276                          */
 277                         ioc->add_chain((char *)chainSge, 0, sgeOffset,
 278                                 ioc->ChainBufferDMA + chain_dma_off);
 279                 } else {
 280                         /* The current buffer is the original MF
 281                          * and there is no Chain buffer.
 282                          */
 283                         pReq->ChainOffset = 0;
 284                         RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor)  + 1) & 0x03;
 285                         dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
 286                             "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
 287                         ioc->RequestNB[req_idx] = RequestNB;
 288                 }
 289         } else {
 290                 /* At least one chain buffer is needed.
 291                  * Complete the first MF
 292                  *  - last SGE element, set the LastElement bit
 293                  *  - set ChainOffset (words) for orig MF
 294                  *             (OR finish previous MF chain buffer)
 295                  *  - update MFStructPtr ChainIndex
 296                  *  - Populate chain element
 297                  * Also
 298                  * Loop until done.
 299                  */
 300
 301                 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
 302                                 ioc->name, sg_done));
 303
 304                 /* Set LAST_ELEMENT flag for last non-chain element
 305                  * in the buffer. Since psge points at the NEXT
 306                  * SGE element, go back one SGE element, update the flags
 307                  * and reset the pointer. (Note: sgflags & thisxfer are already
 308                  * set properly).
 309                  */
 310                 if (sg_done) {
 311                         u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
 312                         sgflags = le32_to_cpu(*ptmp);
 313                         sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
 314                         *ptmp = cpu_to_le32(sgflags);
 315                 }
 316
 317                 if (chainSge) {
 318                         /* The current buffer is a chain buffer.
 319                          * chainSge points to the previous Chain Element.
 320                          * Update its chain element Offset and Length (must
 321                          * include chain element size) fields.
 322                          * Old chain element is now complete.
 323                          */
 324                         u8 nextChain = (u8) (sgeOffset >> 2);
 325                         sgeOffset += ioc->SGE_size;
 326                         ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
 327                                          ioc->ChainBufferDMA + chain_dma_off);
 328                 } else {
 329                         /* The original MF buffer requires a chain buffer -
 330                          * set the offset.
 331                          * Last element in this MF is a chain element.
 332                          */
 333                         pReq->ChainOffset = (u8) (sgeOffset >> 2);
 334                         RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor)  + 1) & 0x03;
 335                         dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
 336                         ioc->RequestNB[req_idx] = RequestNB;
 337                 }
 338
 339                 sges_left -= sg_done;
 340
 341
 342                 /* NOTE: psge points to the beginning of the chain element
 343                  * in current buffer. Get a chain buffer.
 344                  */
 345                 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
 346                         dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
 347                             "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
 348                             ioc->name, pReq->CDB[0], SCpnt));
 349                         return FAILED;
 350                 }
 351
 352                 /* Update the tracking arrays.
 353                  * If chainSge == NULL, update ReqToChain, else ChainToChain
 354                  */
 355                 if (chainSge) {
 356                         ioc->ChainToChain[chain_idx] = newIndex;
 357                 } else {
 358                         ioc->ReqToChain[req_idx] = newIndex;
 359                 }
 360                 chain_idx = newIndex;
 361                 chain_dma_off = ioc->req_sz * chain_idx;
 362
 363                 /* Populate the chainSGE for the current buffer.
 364                  * - Set chain buffer pointer to psge and fill
 365                  *   out the Address and Flags fields.
 366                  */
 367                 chainSge = (char *) psge;
 368                 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "  Current buff @ %p (index 0x%x)",
 369                     ioc->name, psge, req_idx));
 370
 371                 /* Start the SGE for the next buffer
 372                  */
 373                 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
 374                 sgeOffset = 0;
 375                 sg_done = 0;
 376
 377                 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "  Chain buff @ %p (index 0x%x)\n",
 378                     ioc->name, psge, chain_idx));
 379
 380                 /* Start the SGE for the next buffer
 381                  */
 382
 383                 goto nextSGEset;
 384         }
 385
 386         return SUCCESS;
 387 } /* mptscsih_AddSGE() */
 388
 389 static void
 390 mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
 391     U32 SlotStatus)
 392 {
 393         MPT_FRAME_HDR *mf;
 394         SEPRequest_t     *SEPMsg;
 395
 396         if (ioc->bus_type != SAS)
 397                 return;
 398
 399         /* Not supported for hidden raid components
 400          */
 401         if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
 402                 return;
 403
 404         if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
 405                 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
 406                     ioc->name,__func__));
 407                 return;
 408         }
 409
 410         SEPMsg = (SEPRequest_t *)mf;
 411         SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
 412         SEPMsg->Bus = vtarget->channel;
 413         SEPMsg->TargetID = vtarget->id;
 414         SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
 415         SEPMsg->SlotStatus = SlotStatus;
 416         devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
 417             "Sending SEP cmd=%x channel=%d id=%d\n",
 418             ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
 419         mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
 420 }
 421
 422 #ifdef CONFIG_FUSION_LOGGING
 423 /**
 424  *      mptscsih_info_scsiio - debug print info on reply frame
 425  *      @ioc: Pointer to MPT_ADAPTER structure
 426  *      @sc: original scsi cmnd pointer
 427  *      @pScsiReply: Pointer to MPT reply frame
 428  *
 429  *      MPT_DEBUG_REPLY needs to be enabled to obtain this info
 430  *
 431  *      Refer to lsi/mpi.h.
 432  **/
 433 static void
 434 mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
 435 {
 436         char    *desc = NULL;
 437         char    *desc1 = NULL;
 438         u16     ioc_status;
 439         u8      skey, asc, ascq;
 440
 441         ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
 442
 443         switch (ioc_status) {
 444
 445         case MPI_IOCSTATUS_SUCCESS:
 446                 desc = "success";
 447                 break;
 448         case MPI_IOCSTATUS_SCSI_INVALID_BUS:
 449                 desc = "invalid bus";
 450                 break;
 451         case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
 452                 desc = "invalid target_id";
 453                 break;
 454         case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
 455                 desc = "device not there";
 456                 break;
 457         case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
 458                 desc = "data overrun";
 459                 break;
 460         case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
 461                 desc = "data underrun";
 462                 break;
 463         case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
 464                 desc = "I/O data error";
 465                 break;
 466         case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
 467                 desc = "protocol error";
 468                 break;
 469         case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
 470                 desc = "task terminated";
 471                 break;
 472         case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
 473                 desc = "residual mismatch";
 474                 break;
 475         case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
 476                 desc = "task management failed";
 477                 break;
 478         case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
 479                 desc = "IOC terminated";
 480                 break;
 481         case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
 482                 desc = "ext terminated";
 483                 break;
 484         default:
 485                 desc = "";
 486                 break;
 487         }
 488
 489         switch (pScsiReply->SCSIStatus)
 490         {
 491
 492         case MPI_SCSI_STATUS_SUCCESS:
 493                 desc1 = "success";
 494                 break;
 495         case MPI_SCSI_STATUS_CHECK_CONDITION:
 496                 desc1 = "check condition";
 497                 break;
 498         case MPI_SCSI_STATUS_CONDITION_MET:
 499                 desc1 = "condition met";
 500                 break;
 501         case MPI_SCSI_STATUS_BUSY:
 502                 desc1 = "busy";
 503                 break;
 504         case MPI_SCSI_STATUS_INTERMEDIATE:
 505                 desc1 = "intermediate";
 506                 break;
 507         case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
 508                 desc1 = "intermediate condmet";
 509                 break;
 510         case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
 511                 desc1 = "reservation conflict";
 512                 break;
 513         case MPI_SCSI_STATUS_COMMAND_TERMINATED:
 514                 desc1 = "command terminated";
 515                 break;
 516         case MPI_SCSI_STATUS_TASK_SET_FULL:
 517                 desc1 = "task set full";
 518                 break;
 519         case MPI_SCSI_STATUS_ACA_ACTIVE:
 520                 desc1 = "aca active";
 521                 break;
 522         case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
 523                 desc1 = "fcpext device logged out";
 524                 break;
 525         case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
 526                 desc1 = "fcpext no link";
 527                 break;
 528         case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
 529                 desc1 = "fcpext unassigned";
 530                 break;
 531         default:
 532                 desc1 = "";
 533                 break;
 534         }
 535
 536         scsi_print_command(sc);
 537         printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %llu\n",
 538             ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
 539         printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
 540             "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
 541             scsi_get_resid(sc));
 542         printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
 543             "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
 544             le32_to_cpu(pScsiReply->TransferCount), sc->result);
 545
 546         printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
 547             "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
 548             ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
 549             pScsiReply->SCSIState);
 550
 551         if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
 552                 skey = sc->sense_buffer[2] & 0x0F;
 553                 asc = sc->sense_buffer[12];
 554                 ascq = sc->sense_buffer[13];
 555
 556                 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
 557                     "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
 558         }
 559
 560         /*
 561          *  Look for + dump FCP ResponseInfo[]!
 562          */
 563         if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
 564             pScsiReply->ResponseInfo)
 565                 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
 566                     ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
 567 }
 568 #endif
 569
 570 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 571 /*
 572  *      mptscsih_io_done - Main SCSI IO callback routine registered to
 573  *      Fusion MPT (base) driver
 574  *      @ioc: Pointer to MPT_ADAPTER structure
 575  *      @mf: Pointer to original MPT request frame
 576  *      @r: Pointer to MPT reply frame (NULL if TurboReply)
 577  *
 578  *      This routine is called from mpt.c::mpt_interrupt() at the completion
 579  *      of any SCSI IO request.
 580  *      This routine is registered with the Fusion MPT (base) driver at driver
 581  *      load/init time via the mpt_register() API call.
 582  *
 583  *      Returns 1 indicating alloc'd request frame ptr should be freed.
 584  */
 585 int
 586 mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 587 {
 588         struct scsi_cmnd        *sc;
 589         MPT_SCSI_HOST   *hd;
 590         SCSIIORequest_t *pScsiReq;
 591         SCSIIOReply_t   *pScsiReply;
 592         u16              req_idx, req_idx_MR;
 593         VirtDevice       *vdevice;
 594         VirtTarget       *vtarget;
 595
 596         hd = shost_priv(ioc->sh);
 597         req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
 598         req_idx_MR = (mr != NULL) ?
 599             le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
 600
 601         /* Special case, where already freed message frame is received from
 602          * Firmware. It happens with Resetting IOC.
 603          * Return immediately. Do not care
 604          */
 605         if ((req_idx != req_idx_MR) ||
 606             (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
 607                 return 0;
 608
 609         sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
 610         if (sc == NULL) {
 611                 MPIHeader_t *hdr = (MPIHeader_t *)mf;
 612
 613                 /* Remark: writeSDP1 will use the ScsiDoneCtx
 614                  * If a SCSI I/O cmd, device disabled by OS and
 615                  * completion done. Cannot touch sc struct. Just free mem.
 616                  */
 617                 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
 618                         printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
 619                         ioc->name);
 620
 621                 mptscsih_freeChainBuffers(ioc, req_idx);
 622                 return 1;
 623         }
 624
 625         if ((unsigned char *)mf != sc->host_scribble) {
 626                 mptscsih_freeChainBuffers(ioc, req_idx);
 627                 return 1;
 628         }
 629
 630         if (ioc->bus_type == SAS) {
 631                 VirtDevice *vdevice = sc->device->hostdata;
 632
 633                 if (!vdevice || !vdevice->vtarget ||
 634                     vdevice->vtarget->deleted) {
 635                         sc->result = DID_NO_CONNECT << 16;
 636                         goto out;
 637                 }
 638         }
 639
 640         sc->host_scribble = NULL;
 641         sc->result = DID_OK << 16;              /* Set default reply as OK */
 642         pScsiReq = (SCSIIORequest_t *) mf;
 643         pScsiReply = (SCSIIOReply_t *) mr;
 644
 645         if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
 646                 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
 647                         "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
 648                         ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
 649         }else{
 650                 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
 651                         "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
 652                         ioc->name, mf, mr, sc, req_idx));
 653         }
 654
 655         if (pScsiReply == NULL) {
 656                 /* special context reply handling */
 657                 ;
 658         } else {
 659                 u32      xfer_cnt;
 660                 u16      status;
 661                 u8       scsi_state, scsi_status;
 662                 u32      log_info;
 663
 664                 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
 665
 666                 scsi_state = pScsiReply->SCSIState;
 667                 scsi_status = pScsiReply->SCSIStatus;
 668                 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
 669                 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
 670                 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
 671
 672                 /*
 673                  *  if we get a data underrun indication, yet no data was
 674                  *  transferred and the SCSI status indicates that the
 675                  *  command was never started, change the data underrun
 676                  *  to success
 677                  */
 678                 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
 679                     (scsi_status == MPI_SCSI_STATUS_BUSY ||
 680                      scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
 681                      scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
 682                         status = MPI_IOCSTATUS_SUCCESS;
 683                 }
 684
 685                 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
 686                         mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
 687
 688                 /*
 689                  *  Look for + dump FCP ResponseInfo[]!
 690                  */
 691                 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
 692                     pScsiReply->ResponseInfo) {
 693                         printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%llu] "
 694                         "FCP_ResponseInfo=%08xh\n", ioc->name,
 695                         sc->device->host->host_no, sc->device->channel,
 696                         sc->device->id, sc->device->lun,
 697                         le32_to_cpu(pScsiReply->ResponseInfo));
 698                 }
 699
 700                 switch(status) {
 701                 case MPI_IOCSTATUS_BUSY:                        /* 0x0002 */
 702                 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:      /* 0x0006 */
 703                         /* CHECKME!
 704                          * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
 705                          * But not: DID_BUS_BUSY lest one risk
 706                          * killing interrupt handler:-(
 707                          */
 708                         sc->result = SAM_STAT_BUSY;
 709                         break;
 710
 711                 case MPI_IOCSTATUS_SCSI_INVALID_BUS:            /* 0x0041 */
 712                 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:       /* 0x0042 */
 713                         sc->result = DID_BAD_TARGET << 16;
 714                         break;
 715
 716                 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:       /* 0x0043 */
 717                         /* Spoof to SCSI Selection Timeout! */
 718                         if (ioc->bus_type != FC)
 719                                 sc->result = DID_NO_CONNECT << 16;
 720                         /* else fibre, just stall until rescan event */
 721                         else
 722                                 sc->result = DID_REQUEUE << 16;
 723
 724                         if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
 725                                 hd->sel_timeout[pScsiReq->TargetID]++;
 726
 727                         vdevice = sc->device->hostdata;
 728                         if (!vdevice)
 729                                 break;
 730                         vtarget = vdevice->vtarget;
 731                         if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
 732                                 mptscsih_issue_sep_command(ioc, vtarget,
 733                                     MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
 734                                 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
 735                         }
 736                         break;
 737
 738                 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:         /* 0x004B */
 739                         if ( ioc->bus_type == SAS ) {
 740                                 u16 ioc_status =
 741                                     le16_to_cpu(pScsiReply->IOCStatus);
 742                                 if ((ioc_status &
 743                                         MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
 744                                         &&
 745                                         ((log_info & SAS_LOGINFO_MASK) ==
 746                                         SAS_LOGINFO_NEXUS_LOSS)) {
 747                                                 VirtDevice *vdevice =
 748                                                 sc->device->hostdata;
 749
 750                                             /* flag the device as being in
 751                                              * device removal delay so we can
 752                                              * notify the midlayer to hold off
 753                                              * on timeout eh */
 754                                                 if (vdevice && vdevice->
 755                                                         vtarget &&
 756                                                         vdevice->vtarget->
 757                                                         raidVolume)
 758                                                         printk(KERN_INFO
 759                                                         "Skipping Raid Volume"
 760                                                         "for inDMD\n");
 761                                                 else if (vdevice &&
 762                                                         vdevice->vtarget)
 763                                                         vdevice->vtarget->
 764                                                                 inDMD = 1;
 765
 766                                             sc->result =
 767                                                     (DID_TRANSPORT_DISRUPTED
 768                                                     << 16);
 769                                             break;
 770                                 }
 771                         } else if (ioc->bus_type == FC) {
 772                                 /*
 773                                  * The FC IOC may kill a request for variety of
 774                                  * reasons, some of which may be recovered by a
 775                                  * retry, some which are unlikely to be
 776                                  * recovered. Return DID_ERROR instead of
 777                                  * DID_RESET to permit retry of the command,
 778                                  * just not an infinite number of them
 779                                  */
 780                                 sc->result = DID_ERROR << 16;
 781                                 break;
 782                         }
 783
 784                         /*
 785                          * Allow non-SAS & non-NEXUS_LOSS to drop into below code
 786                          */
 787                         fallthrough;
 788
 789                 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:        /* 0x0048 */
 790                         /* Linux handles an unsolicited DID_RESET better
 791                          * than an unsolicited DID_ABORT.
 792                          */
 793                         sc->result = DID_RESET << 16;
 794                         break;
 795
 796                 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:         /* 0x004C */
 797                         if (ioc->bus_type == FC)
 798                                 sc->result = DID_ERROR << 16;
 799                         else
 800                                 sc->result = DID_RESET << 16;
 801                         break;
 802
 803                 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:      /* 0x0049 */
 804                         scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
 805                         if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
 806                                 sc->result=DID_SOFT_ERROR << 16;
 807                         else /* Sufficient data transfer occurred */
 808                                 sc->result = (DID_OK << 16) | scsi_status;
 809                         dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
 810                             "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
 811                             ioc->name, sc->result, sc->device->channel, sc->device->id));
 812                         break;
 813
 814                 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:          /* 0x0045 */
 815                         /*
 816                          *  Do upfront check for valid SenseData and give it
 817                          *  precedence!
 818                          */
 819                         sc->result = (DID_OK << 16) | scsi_status;
 820                         if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
 821
 822                                 /*
 823                                  * For an Errata on LSI53C1030
 824                                  * When the length of request data
 825                                  * and transfer data are different
 826                                  * with result of command (READ or VERIFY),
 827                                  * DID_SOFT_ERROR is set.
 828                                  */
 829                                 if (ioc->bus_type == SPI) {
 830                                         if ((pScsiReq->CDB[0] == READ_6  && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
 831                                             pScsiReq->CDB[0] == READ_10 ||
 832                                             pScsiReq->CDB[0] == READ_12 ||
 833                                                 (pScsiReq->CDB[0] == READ_16 &&
 834                                                 ((pScsiReq->CDB[1] & 0x02) == 0)) ||
 835                                             pScsiReq->CDB[0] == VERIFY  ||
 836                                             pScsiReq->CDB[0] == VERIFY_16) {
 837                                                 if (scsi_bufflen(sc) !=
 838                                                         xfer_cnt) {
 839                                                         sc->result =
 840                                                         DID_SOFT_ERROR << 16;
 841                                                     printk(KERN_WARNING "Errata"
 842                                                     "on LSI53C1030 occurred."
 843                                                     "sc->req_bufflen=0x%02x,"
 844                                                     "xfer_cnt=0x%02x\n",
 845                                                     scsi_bufflen(sc),
 846                                                     xfer_cnt);
 847                                                 }
 848                                         }
 849                                 }
 850
 851                                 if (xfer_cnt < sc->underflow) {
 852                                         if (scsi_status == SAM_STAT_BUSY)
 853                                                 sc->result = SAM_STAT_BUSY;
 854                                         else
 855                                                 sc->result = DID_SOFT_ERROR << 16;
 856                                 }
 857                                 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
 858                                         /* What to do?
 859                                         */
 860                                         sc->result = DID_SOFT_ERROR << 16;
 861                                 }
 862                                 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
 863                                         /*  Not real sure here either...  */
 864                                         sc->result = DID_RESET << 16;
 865                                 }
 866                         }
 867
 868
 869                         dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
 870                             "  sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
 871                             ioc->name, sc->underflow));
 872                         dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
 873                             "  ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
 874
 875                         /* Report Queue Full
 876                          */
 877                         if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
 878                                 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
 879
 880                         break;
 881
 882                 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:           /* 0x0044 */
 883                         scsi_set_resid(sc, 0);
 884                         fallthrough;
 885                 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR:        /* 0x0040 */
 886                 case MPI_IOCSTATUS_SUCCESS:                     /* 0x0000 */
 887                         sc->result = (DID_OK << 16) | scsi_status;
 888                         if (scsi_state == 0) {
 889                                 ;
 890                         } else if (scsi_state &
 891                             MPI_SCSI_STATE_AUTOSENSE_VALID) {
 892
 893                                 /*
 894                                  * For potential trouble on LSI53C1030.
 895                                  * (date:2007.xx.)
 896                                  * It is checked whether the length of
 897                                  * request data is equal to
 898                                  * the length of transfer and residual.
 899                                  * MEDIUM_ERROR is set by incorrect data.
 900                                  */
 901                                 if ((ioc->bus_type == SPI) &&
 902                                         (sc->sense_buffer[2] & 0x20)) {
 903                                         u32      difftransfer;
 904                                         difftransfer =
 905                                         sc->sense_buffer[3] << 24 |
 906                                         sc->sense_buffer[4] << 16 |
 907                                         sc->sense_buffer[5] << 8 |
 908                                         sc->sense_buffer[6];
 909                                         if (((sc->sense_buffer[3] & 0x80) ==
 910                                                 0x80) && (scsi_bufflen(sc)
 911                                                 != xfer_cnt)) {
 912                                                 sc->sense_buffer[2] =
 913                                                     MEDIUM_ERROR;
 914                                                 sc->sense_buffer[12] = 0xff;
 915                                                 sc->sense_buffer[13] = 0xff;
 916                                                 printk(KERN_WARNING"Errata"
 917                                                 "on LSI53C1030 occurred."
 918                                                 "sc->req_bufflen=0x%02x,"
 919                                                 "xfer_cnt=0x%02x\n" ,
 920                                                 scsi_bufflen(sc),
 921                                                 xfer_cnt);
 922                                         }
 923                                         if (((sc->sense_buffer[3] & 0x80)
 924                                                 != 0x80) &&
 925                                                 (scsi_bufflen(sc) !=
 926                                                 xfer_cnt + difftransfer)) {
 927                                                 sc->sense_buffer[2] =
 928                                                         MEDIUM_ERROR;
 929                                                 sc->sense_buffer[12] = 0xff;
 930                                                 sc->sense_buffer[13] = 0xff;
 931                                                 printk(KERN_WARNING
 932                                                 "Errata on LSI53C1030 occurred"
 933                                                 "sc->req_bufflen=0x%02x,"
 934                                                 " xfer_cnt=0x%02x,"
 935                                                 "difftransfer=0x%02x\n",
 936                                                 scsi_bufflen(sc),
 937                                                 xfer_cnt,
 938                                                 difftransfer);
 939                                         }
 940                                 }
 941
 942                                 /*
 943                                  * If running against circa 200003dd 909 MPT f/w,
 944                                  * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
 945                                  * (QUEUE_FULL) returned from device! --> get 0x0000?128
 946                                  * and with SenseBytes set to 0.
 947                                  */
 948                                 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
 949                                         mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
 950
 951                         }
 952                         else if (scsi_state &
 953                                  (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
 954                            ) {
 955                                 /*
 956                                  * What to do?
 957                                  */
 958                                 sc->result = DID_SOFT_ERROR << 16;
 959                         }
 960                         else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
 961                                 /*  Not real sure here either...  */
 962                                 sc->result = DID_RESET << 16;
 963                         }
 964                         else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
 965                                 /* Device Inq. data indicates that it supports
 966                                  * QTags, but rejects QTag messages.
 967                                  * This command completed OK.
 968                                  *
 969                                  * Not real sure here either so do nothing...  */
 970                         }
 971
 972                         if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
 973                                 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
 974
 975                         /* Add handling of:
 976                          * Reservation Conflict, Busy,
 977                          * Command Terminated, CHECK
 978                          */
 979                         break;
 980
 981                 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:         /* 0x0047 */
 982                         sc->result = DID_SOFT_ERROR << 16;
 983                         break;
 984
 985                 case MPI_IOCSTATUS_INVALID_FUNCTION:            /* 0x0001 */
 986                 case MPI_IOCSTATUS_INVALID_SGL:                 /* 0x0003 */
 987                 case MPI_IOCSTATUS_INTERNAL_ERROR:              /* 0x0004 */
 988                 case MPI_IOCSTATUS_RESERVED:                    /* 0x0005 */
 989                 case MPI_IOCSTATUS_INVALID_FIELD:               /* 0x0007 */
 990                 case MPI_IOCSTATUS_INVALID_STATE:               /* 0x0008 */
 991                 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:          /* 0x0046 */
 992                 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:       /* 0x004A */
 993                 default:
 994                         /*
 995                          * What to do?
 996                          */
 997                         sc->result = DID_SOFT_ERROR << 16;
 998                         break;
 999
1000                 }       /* switch(status) */
1001
1002 #ifdef CONFIG_FUSION_LOGGING
1003                 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
1004                         mptscsih_info_scsiio(ioc, sc, pScsiReply);
1005 #endif
1006
1007         } /* end of address reply case */
1008 out:
1009         /* Unmap the DMA buffers, if any. */
1010         scsi_dma_unmap(sc);
1011
1012         sc->scsi_done(sc);              /* Issue the command callback */
1013
1014         /* Free Chain buffers */
1015         mptscsih_freeChainBuffers(ioc, req_idx);
1016         return 1;
1017 }
1018
1019 /*
1020  *      mptscsih_flush_running_cmds - For each command found, search
1021  *              Scsi_Host instance taskQ and reply to OS.
1022  *              Called only if recovering from a FW reload.
1023  *      @hd: Pointer to a SCSI HOST structure
1024  *
1025  *      Returns: None.
1026  *
1027  *      Must be called while new I/Os are being queued.
1028  */
1029 void
1030 mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1031 {
1032         MPT_ADAPTER *ioc = hd->ioc;
1033         struct scsi_cmnd *sc;
1034         SCSIIORequest_t *mf = NULL;
1035         int              ii;
1036         int              channel, id;
1037
1038         for (ii= 0; ii < ioc->req_depth; ii++) {
1039                 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1040                 if (!sc)
1041                         continue;
1042                 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1043                 if (!mf)
1044                         continue;
1045                 channel = mf->Bus;
1046                 id = mf->TargetID;
1047                 mptscsih_freeChainBuffers(ioc, ii);
1048                 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1049                 if ((unsigned char *)mf != sc->host_scribble)
1050                         continue;
1051                 scsi_dma_unmap(sc);
1052                 sc->result = DID_RESET << 16;
1053                 sc->host_scribble = NULL;
1054                 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1055                     "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1056                     "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
1057                 sc->scsi_done(sc);
1058         }
1059 }
1060 EXPORT_SYMBOL(mptscsih_flush_running_cmds);
1061
1062 /*
1063  *      mptscsih_search_running_cmds - Delete any commands associated
1064  *              with the specified target and lun. Function called only
1065  *              when a lun is disable by mid-layer.
1066  *              Do NOT access the referenced scsi_cmnd structure or
1067  *              members. Will cause either a paging or NULL ptr error.
1068  *              (BUT, BUT, BUT, the code does reference it! - mdr)
1069  *      @hd: Pointer to a SCSI HOST structure
1070  *      @vdevice: per device private data
1071  *
1072  *      Returns: None.
1073  *
1074  *      Called from slave_destroy.
1075  */
1076 static void
1077 mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1078 {
1079         SCSIIORequest_t *mf = NULL;
1080         int              ii;
1081         struct scsi_cmnd *sc;
1082         struct scsi_lun  lun;
1083         MPT_ADAPTER *ioc = hd->ioc;
1084         unsigned long   flags;
1085
1086         spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1087         for (ii = 0; ii < ioc->req_depth; ii++) {
1088                 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
1089
1090                         mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1091                         if (mf == NULL)
1092                                 continue;
1093                         /* If the device is a hidden raid component, then its
1094                          * expected that the mf->function will be RAID_SCSI_IO
1095                          */
1096                         if (vdevice->vtarget->tflags &
1097                             MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1098                             MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1099                                 continue;
1100
1101                         int_to_scsilun(vdevice->lun, &lun);
1102                         if ((mf->Bus != vdevice->vtarget->channel) ||
1103                             (mf->TargetID != vdevice->vtarget->id) ||
1104                             memcmp(lun.scsi_lun, mf->LUN, 8))
1105                                 continue;
1106
1107                         if ((unsigned char *)mf != sc->host_scribble)
1108                                 continue;
1109                         ioc->ScsiLookup[ii] = NULL;
1110                         spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1111                         mptscsih_freeChainBuffers(ioc, ii);
1112                         mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1113                         scsi_dma_unmap(sc);
1114                         sc->host_scribble = NULL;
1115                         sc->result = DID_NO_CONNECT << 16;
1116                         dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1117                            MYIOC_s_FMT "completing cmds: fw_channel %d, "
1118                            "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1119                            vdevice->vtarget->channel, vdevice->vtarget->id,
1120                            sc, mf, ii));
1121                         sc->scsi_done(sc);
1122                         spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1123                 }
1124         }
1125         spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1126         return;
1127 }
1128
1129 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1130
1131 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1132 /*
1133  *      mptscsih_report_queue_full - Report QUEUE_FULL status returned
1134  *      from a SCSI target device.
1135  *      @sc: Pointer to scsi_cmnd structure
1136  *      @pScsiReply: Pointer to SCSIIOReply_t
1137  *      @pScsiReq: Pointer to original SCSI request
1138  *
1139  *      This routine periodically reports QUEUE_FULL status returned from a
1140  *      SCSI target device.  It reports this to the console via kernel
1141  *      printk() API call, not more than once every 10 seconds.
1142  */
1143 static void
1144 mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1145 {
1146         long time = jiffies;
1147         MPT_SCSI_HOST           *hd;
1148         MPT_ADAPTER     *ioc;
1149
1150         if (sc->device == NULL)
1151                 return;
1152         if (sc->device->host == NULL)
1153                 return;
1154         if ((hd = shost_priv(sc->device->host)) == NULL)
1155                 return;
1156         ioc = hd->ioc;
1157         if (time - hd->last_queue_full > 10 * HZ) {
1158                 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%llu) reported QUEUE_FULL!\n",
1159                                 ioc->name, 0, sc->device->id, sc->device->lun));
1160                 hd->last_queue_full = time;
1161         }
1162 }
1163
1164 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1165 /*
1166  *      mptscsih_remove - Removed scsi devices
1167  *      @pdev: Pointer to pci_dev structure
1168  *
1169  *
1170  */
1171 void
1172 mptscsih_remove(struct pci_dev *pdev)
1173 {
1174         MPT_ADAPTER             *ioc = pci_get_drvdata(pdev);
1175         struct Scsi_Host        *host = ioc->sh;
1176         MPT_SCSI_HOST           *hd;
1177         int sz1;
1178
1179         if (host == NULL)
1180                 hd = NULL;
1181         else
1182                 hd = shost_priv(host);
1183
1184         mptscsih_shutdown(pdev);
1185
1186         sz1=0;
1187
1188         if (ioc->ScsiLookup != NULL) {
1189                 sz1 = ioc->req_depth * sizeof(void *);
1190                 kfree(ioc->ScsiLookup);
1191                 ioc->ScsiLookup = NULL;
1192         }
1193
1194         dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1195             "Free'd ScsiLookup (%d) memory\n",
1196             ioc->name, sz1));
1197
1198         if (hd)
1199                 kfree(hd->info_kbuf);
1200
1201         /* NULL the Scsi_Host pointer
1202          */
1203         ioc->sh = NULL;
1204
1205         if (host)
1206                 scsi_host_put(host);
1207         mpt_detach(pdev);
1208
1209 }
1210
1211 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1212 /*
1213  *      mptscsih_shutdown - reboot notifier
1214  *
1215  */
1216 void
1217 mptscsih_shutdown(struct pci_dev *pdev)
1218 {
1219 }
1220
1221 #ifdef CONFIG_PM
1222 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1223 /*
1224  *      mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1225  *
1226  *
1227  */
1228 int
1229 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1230 {
1231         MPT_ADAPTER             *ioc = pci_get_drvdata(pdev);
1232
1233         scsi_block_requests(ioc->sh);
1234         flush_scheduled_work();
1235         mptscsih_shutdown(pdev);
1236         return mpt_suspend(pdev,state);
1237 }
1238
1239 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1240 /*
1241  *      mptscsih_resume - Fusion MPT scsi driver resume routine.
1242  *
1243  *
1244  */
1245 int
1246 mptscsih_resume(struct pci_dev *pdev)
1247 {
1248         MPT_ADAPTER             *ioc = pci_get_drvdata(pdev);
1249         int rc;
1250
1251         rc = mpt_resume(pdev);
1252         scsi_unblock_requests(ioc->sh);
1253         return rc;
1254 }
1255
1256 #endif
1257
1258 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1259 /**
1260  *      mptscsih_info - Return information about MPT adapter
1261  *      @SChost: Pointer to Scsi_Host structure
1262  *
1263  *      (linux scsi_host_template.info routine)
1264  *
1265  *      Returns pointer to buffer where information was written.
1266  */
1267 const char *
1268 mptscsih_info(struct Scsi_Host *SChost)
1269 {
1270         MPT_SCSI_HOST *h;
1271         int size = 0;
1272
1273         h = shost_priv(SChost);
1274
1275         if (h->info_kbuf == NULL)
1276                 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1277                         return h->info_kbuf;
1278         h->info_kbuf[0] = '\0';
1279
1280         mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1281         h->info_kbuf[size-1] = '\0';
1282
1283         return h->info_kbuf;
1284 }
1285
1286 int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host)
1287 {
1288         MPT_SCSI_HOST   *hd = shost_priv(host);
1289         MPT_ADAPTER     *ioc = hd->ioc;
1290
1291         seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name);
1292         seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1293         seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts);
1294         seq_printf(m, "MaxQ=%d\n", ioc->req_depth);
1295
1296         return 0;
1297 }
1298
1299 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1300 #define ADD_INDEX_LOG(req_ent)  do { } while(0)
1301
1302 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1303 /**
1304  *      mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1305  *      @SCpnt: Pointer to scsi_cmnd structure
1306  *
1307  *      (linux scsi_host_template.queuecommand routine)
1308  *      This is the primary SCSI IO start routine.  Create a MPI SCSIIORequest
1309  *      from a linux scsi_cmnd request and send it to the IOC.
1310  *
1311  *      Returns 0. (rtn value discarded by linux scsi mid-layer)
1312  */
1313 int
1314 mptscsih_qcmd(struct scsi_cmnd *SCpnt)
1315 {
1316         MPT_SCSI_HOST           *hd;
1317         MPT_FRAME_HDR           *mf;
1318         SCSIIORequest_t         *pScsiReq;
1319         VirtDevice              *vdevice = SCpnt->device->hostdata;
1320         u32      datalen;
1321         u32      scsictl;
1322         u32      scsidir;
1323         u32      cmd_len;
1324         int      my_idx;
1325         int      ii;
1326         MPT_ADAPTER *ioc;
1327
1328         hd = shost_priv(SCpnt->device->host);
1329         ioc = hd->ioc;
1330
1331         dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p\n",
1332                 ioc->name, SCpnt));
1333
1334         if (ioc->taskmgmt_quiesce_io)
1335                 return SCSI_MLQUEUE_HOST_BUSY;
1336
1337         /*
1338          *  Put together a MPT SCSI request...
1339          */
1340         if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1341                 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1342                                 ioc->name));
1343                 return SCSI_MLQUEUE_HOST_BUSY;
1344         }
1345
1346         pScsiReq = (SCSIIORequest_t *) mf;
1347
1348         my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1349
1350         ADD_INDEX_LOG(my_idx);
1351
1352         /*    TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1353          *    Seems we may receive a buffer (datalen>0) even when there
1354          *    will be no data transfer!  GRRRRR...
1355          */
1356         if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1357                 datalen = scsi_bufflen(SCpnt);
1358                 scsidir = MPI_SCSIIO_CONTROL_READ;      /* DATA IN  (host<--ioc<--dev) */
1359         } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1360                 datalen = scsi_bufflen(SCpnt);
1361                 scsidir = MPI_SCSIIO_CONTROL_WRITE;     /* DATA OUT (host-->ioc-->dev) */
1362         } else {
1363                 datalen = 0;
1364                 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1365         }
1366
1367         /* Default to untagged. Once a target structure has been allocated,
1368          * use the Inquiry data to determine if device supports tagged.
1369          */
1370         if ((vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) &&
1371             SCpnt->device->tagged_supported)
1372                 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1373         else
1374                 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1375
1376
1377         /* Use the above information to set up the message frame
1378          */
1379         pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1380         pScsiReq->Bus = vdevice->vtarget->channel;
1381         pScsiReq->ChainOffset = 0;
1382         if (vdevice->vtarget->tflags &  MPT_TARGET_FLAGS_RAID_COMPONENT)
1383                 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1384         else
1385                 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1386         pScsiReq->CDBLength = SCpnt->cmd_len;
1387         pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1388         pScsiReq->Reserved = 0;
1389         pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1390         int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1391         pScsiReq->Control = cpu_to_le32(scsictl);
1392
1393         /*
1394          *  Write SCSI CDB into the message
1395          */
1396         cmd_len = SCpnt->cmd_len;
1397         for (ii=0; ii < cmd_len; ii++)
1398                 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1399
1400         for (ii=cmd_len; ii < 16; ii++)
1401                 pScsiReq->CDB[ii] = 0;
1402
1403         /* DataLength */
1404         pScsiReq->DataLength = cpu_to_le32(datalen);
1405
1406         /* SenseBuffer low address */
1407         pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1408                                            + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1409
1410         /* Now add the SG list
1411          * Always have a SGE even if null length.
1412          */
1413         if (datalen == 0) {
1414                 /* Add a NULL SGE */
1415                 ioc->add_sge((char *)&pScsiReq->SGL,
1416                         MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1417                         (dma_addr_t) -1);
1418         } else {
1419                 /* Add a 32 or 64 bit SGE */
1420                 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1421                         goto fail;
1422         }
1423
1424         SCpnt->host_scribble = (unsigned char *)mf;
1425         mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1426
1427         mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1428         dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1429                         ioc->name, SCpnt, mf, my_idx));
1430         DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1431         return 0;
1432
1433  fail:
1434         mptscsih_freeChainBuffers(ioc, my_idx);
1435         mpt_free_msg_frame(ioc, mf);
1436         return SCSI_MLQUEUE_HOST_BUSY;
1437 }
1438
1439 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1440 /*
1441  *      mptscsih_freeChainBuffers - Function to free chain buffers associated
1442  *      with a SCSI IO request
1443  *      @hd: Pointer to the MPT_SCSI_HOST instance
1444  *      @req_idx: Index of the SCSI IO request frame.
1445  *
1446  *      Called if SG chain buffer allocation fails and mptscsih callbacks.
1447  *      No return.
1448  */
1449 static void
1450 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1451 {
1452         MPT_FRAME_HDR *chain;
1453         unsigned long flags;
1454         int chain_idx;
1455         int next;
1456
1457         /* Get the first chain index and reset
1458          * tracker state.
1459          */
1460         chain_idx = ioc->ReqToChain[req_idx];
1461         ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1462
1463         while (chain_idx != MPT_HOST_NO_CHAIN) {
1464
1465                 /* Save the next chain buffer index */
1466                 next = ioc->ChainToChain[chain_idx];
1467
1468                 /* Free this chain buffer and reset
1469                  * tracker
1470                  */
1471                 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1472
1473                 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1474                                         + (chain_idx * ioc->req_sz));
1475
1476                 spin_lock_irqsave(&ioc->FreeQlock, flags);
1477                 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1478                 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1479
1480                 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1481                                 ioc->name, chain_idx));
1482
1483                 /* handle next */
1484                 chain_idx = next;
1485         }
1486         return;
1487 }
1488
1489 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1490 /*
1491  *      Reset Handling
1492  */
1493
1494 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1495 /**
1496  *      mptscsih_IssueTaskMgmt - Generic send Task Management function.
1497  *      @hd: Pointer to MPT_SCSI_HOST structure
1498  *      @type: Task Management type
1499  *      @channel: channel number for task management
1500  *      @id: Logical Target ID for reset (if appropriate)
1501  *      @lun: Logical Unit for reset (if appropriate)
1502  *      @ctx2abort: Context for the task to be aborted (if appropriate)
1503  *      @timeout: timeout for task management control
1504  *
1505  *      Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1506  *      or a non-interrupt thread.  In the former, must not call schedule().
1507  *
1508  *      Not all fields are meaningfull for all task types.
1509  *
1510  *      Returns 0 for SUCCESS, or FAILED.
1511  *
1512  **/
1513 int
1514 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, u64 lun,
1515         int ctx2abort, ulong timeout)
1516 {
1517         MPT_FRAME_HDR   *mf;
1518         SCSITaskMgmt_t  *pScsiTm;
1519         int              ii;
1520         int              retval;
1521         MPT_ADAPTER     *ioc = hd->ioc;
1522         u8               issue_hard_reset;
1523         u32              ioc_raw_state;
1524         unsigned long    time_count;
1525
1526         issue_hard_reset = 0;
1527         ioc_raw_state = mpt_GetIocState(ioc, 0);
1528
1529         if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1530                 printk(MYIOC_s_WARN_FMT
1531                         "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1532                         ioc->name, type, ioc_raw_state);
1533                 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1534                     ioc->name, __func__);
1535                 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1536                         printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1537                             "FAILED!!\n", ioc->name);
1538                 return 0;
1539         }
1540
1541         /* DOORBELL ACTIVE check is not required if
1542         *  MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported.
1543         */
1544
1545         if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
1546                  && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
1547                 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
1548                 printk(MYIOC_s_WARN_FMT
1549                         "TaskMgmt type=%x: ioc_state: "
1550                         "DOORBELL_ACTIVE (0x%x)!\n",
1551                         ioc->name, type, ioc_raw_state);
1552                 return FAILED;
1553         }
1554
1555         mutex_lock(&ioc->taskmgmt_cmds.mutex);
1556         if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1557                 mf = NULL;
1558                 retval = FAILED;
1559                 goto out;
1560         }
1561
1562         /* Return Fail to calling function if no message frames available.
1563          */
1564         if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1565                 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1566                         "TaskMgmt no msg frames!!\n", ioc->name));
1567                 retval = FAILED;
1568                 mpt_clear_taskmgmt_in_progress_flag(ioc);
1569                 goto out;
1570         }
1571         dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1572                         ioc->name, mf));
1573
1574         /* Format the Request
1575          */
1576         pScsiTm = (SCSITaskMgmt_t *) mf;
1577         pScsiTm->TargetID = id;
1578         pScsiTm->Bus = channel;
1579         pScsiTm->ChainOffset = 0;
1580         pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1581
1582         pScsiTm->Reserved = 0;
1583         pScsiTm->TaskType = type;
1584         pScsiTm->Reserved1 = 0;
1585         pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1586                     ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1587
1588         int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1589
1590         for (ii=0; ii < 7; ii++)
1591                 pScsiTm->Reserved2[ii] = 0;
1592
1593         pScsiTm->TaskMsgContext = ctx2abort;
1594
1595         dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1596                 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1597                 type, timeout));
1598
1599         DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1600
1601         INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1602         time_count = jiffies;
1603         if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1604             (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1605                 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1606         else {
1607                 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1608                         sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1609                 if (retval) {
1610                         dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1611                                 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1612                                 ioc->name, mf, retval));
1613                         mpt_free_msg_frame(ioc, mf);
1614                         mpt_clear_taskmgmt_in_progress_flag(ioc);
1615                         goto out;
1616                 }
1617         }
1618
1619         wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1620                 timeout*HZ);
1621         if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1622                 retval = FAILED;
1623                 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1624                     "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1625                 mpt_clear_taskmgmt_in_progress_flag(ioc);
1626                 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1627                         goto out;
1628                 issue_hard_reset = 1;
1629                 goto out;
1630         }
1631
1632         retval = mptscsih_taskmgmt_reply(ioc, type,
1633             (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1634
1635         dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1636             "TaskMgmt completed (%d seconds)\n",
1637             ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1638
1639  out:
1640
1641         CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1642         if (issue_hard_reset) {
1643                 printk(MYIOC_s_WARN_FMT
1644                        "Issuing Reset from %s!! doorbell=0x%08x\n",
1645                        ioc->name, __func__, mpt_GetIocState(ioc, 0));
1646                 retval = (ioc->bus_type == SAS) ?
1647                         mpt_HardResetHandler(ioc, CAN_SLEEP) :
1648                         mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1649                 mpt_free_msg_frame(ioc, mf);
1650         }
1651
1652         retval = (retval == 0) ? 0 : FAILED;
1653         mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1654         return retval;
1655 }
1656 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1657
1658 static int
1659 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1660 {
1661         switch (ioc->bus_type) {
1662         case FC:
1663                 return 40;
1664         case SAS:
1665                 return 30;
1666         case SPI:
1667         default:
1668                 return 10;
1669         }
1670 }
1671
1672 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1673 /**
1674  *      mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1675  *      @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1676  *
1677  *      (linux scsi_host_template.eh_abort_handler routine)
1678  *
1679  *      Returns SUCCESS or FAILED.
1680  **/
1681 int
1682 mptscsih_abort(struct scsi_cmnd * SCpnt)
1683 {
1684         MPT_SCSI_HOST   *hd;
1685         MPT_FRAME_HDR   *mf;
1686         u32              ctx2abort;
1687         int              scpnt_idx;
1688         int              retval;
1689         VirtDevice       *vdevice;
1690         MPT_ADAPTER     *ioc;
1691
1692         /* If we can't locate our host adapter structure, return FAILED status.
1693          */
1694         if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1695                 SCpnt->result = DID_RESET << 16;
1696                 SCpnt->scsi_done(SCpnt);
1697                 printk(KERN_ERR MYNAM ": task abort: "
1698                     "can't locate host! (sc=%p)\n", SCpnt);
1699                 return FAILED;
1700         }
1701
1702         ioc = hd->ioc;
1703         printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1704                ioc->name, SCpnt);
1705         scsi_print_command(SCpnt);
1706
1707         vdevice = SCpnt->device->hostdata;
1708         if (!vdevice || !vdevice->vtarget) {
1709                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1710                     "task abort: device has been deleted (sc=%p)\n",
1711                     ioc->name, SCpnt));
1712                 SCpnt->result = DID_NO_CONNECT << 16;
1713                 SCpnt->scsi_done(SCpnt);
1714                 retval = SUCCESS;
1715                 goto out;
1716         }
1717
1718         /* Task aborts are not supported for hidden raid components.
1719          */
1720         if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1721                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1722                     "task abort: hidden raid component (sc=%p)\n",
1723                     ioc->name, SCpnt));
1724                 SCpnt->result = DID_RESET << 16;
1725                 retval = FAILED;
1726                 goto out;
1727         }
1728
1729         /* Task aborts are not supported for volumes.
1730          */
1731         if (vdevice->vtarget->raidVolume) {
1732                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1733                     "task abort: raid volume (sc=%p)\n",
1734                     ioc->name, SCpnt));
1735                 SCpnt->result = DID_RESET << 16;
1736                 retval = FAILED;
1737                 goto out;
1738         }
1739
1740         /* Find this command
1741          */
1742         if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1743                 /* Cmd not found in ScsiLookup.
1744                  * Do OS callback.
1745                  */
1746                 SCpnt->result = DID_RESET << 16;
1747                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1748                    "Command not in the active list! (sc=%p)\n", ioc->name,
1749                    SCpnt));
1750                 retval = SUCCESS;
1751                 goto out;
1752         }
1753
1754         if (ioc->timeouts < -1)
1755                 ioc->timeouts++;
1756
1757         if (mpt_fwfault_debug)
1758                 mpt_halt_firmware(ioc);
1759
1760         /* Most important!  Set TaskMsgContext to SCpnt's MsgContext!
1761          * (the IO to be ABORT'd)
1762          *
1763          * NOTE: Since we do not byteswap MsgContext, we do not
1764          *       swap it here either.  It is an opaque cookie to
1765          *       the controller, so it does not matter. -DaveM
1766          */
1767         mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1768         ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1769         retval = mptscsih_IssueTaskMgmt(hd,
1770                          MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1771                          vdevice->vtarget->channel,
1772                          vdevice->vtarget->id, vdevice->lun,
1773                          ctx2abort, mptscsih_get_tm_timeout(ioc));
1774
1775         if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
1776                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1777                     "task abort: command still in active list! (sc=%p)\n",
1778                     ioc->name, SCpnt));
1779                 retval = FAILED;
1780         } else {
1781                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1782                     "task abort: command cleared from active list! (sc=%p)\n",
1783                     ioc->name, SCpnt));
1784                 retval = SUCCESS;
1785         }
1786
1787  out:
1788         printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
1789             ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1790             SCpnt);
1791
1792         return retval;
1793 }
1794
1795 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1796 /**
1797  *      mptscsih_dev_reset - Perform a SCSI TARGET_RESET!  new_eh variant
1798  *      @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1799  *
1800  *      (linux scsi_host_template.eh_dev_reset_handler routine)
1801  *
1802  *      Returns SUCCESS or FAILED.
1803  **/
1804 int
1805 mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1806 {
1807         MPT_SCSI_HOST   *hd;
1808         int              retval;
1809         VirtDevice       *vdevice;
1810         MPT_ADAPTER     *ioc;
1811
1812         /* If we can't locate our host adapter structure, return FAILED status.
1813          */
1814         if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1815                 printk(KERN_ERR MYNAM ": target reset: "
1816                    "Can't locate host! (sc=%p)\n", SCpnt);
1817                 return FAILED;
1818         }
1819
1820         ioc = hd->ioc;
1821         printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1822                ioc->name, SCpnt);
1823         scsi_print_command(SCpnt);
1824
1825         vdevice = SCpnt->device->hostdata;
1826         if (!vdevice || !vdevice->vtarget) {
1827                 retval = 0;
1828                 goto out;
1829         }
1830
1831         /* Target reset to hidden raid component is not supported
1832          */
1833         if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1834                 retval = FAILED;
1835                 goto out;
1836         }
1837
1838         retval = mptscsih_IssueTaskMgmt(hd,
1839                                 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1840                                 vdevice->vtarget->channel,
1841                                 vdevice->vtarget->id, 0, 0,
1842                                 mptscsih_get_tm_timeout(ioc));
1843
1844  out:
1845         printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1846             ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1847
1848         if (retval == 0)
1849                 return SUCCESS;
1850         else
1851                 return FAILED;
1852 }
1853
1854
1855 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1856 /**
1857  *      mptscsih_bus_reset - Perform a SCSI BUS_RESET!  new_eh variant
1858  *      @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1859  *
1860  *      (linux scsi_host_template.eh_bus_reset_handler routine)
1861  *
1862  *      Returns SUCCESS or FAILED.
1863  **/
1864 int
1865 mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1866 {
1867         MPT_SCSI_HOST   *hd;
1868         int              retval;
1869         VirtDevice       *vdevice;
1870         MPT_ADAPTER     *ioc;
1871
1872         /* If we can't locate our host adapter structure, return FAILED status.
1873          */
1874         if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1875                 printk(KERN_ERR MYNAM ": bus reset: "
1876                    "Can't locate host! (sc=%p)\n", SCpnt);
1877                 return FAILED;
1878         }
1879
1880         ioc = hd->ioc;
1881         printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1882                ioc->name, SCpnt);
1883         scsi_print_command(SCpnt);
1884
1885         if (ioc->timeouts < -1)
1886                 ioc->timeouts++;
1887
1888         vdevice = SCpnt->device->hostdata;
1889         if (!vdevice || !vdevice->vtarget)
1890                 return SUCCESS;
1891         retval = mptscsih_IssueTaskMgmt(hd,
1892                                         MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1893                                         vdevice->vtarget->channel, 0, 0, 0,
1894                                         mptscsih_get_tm_timeout(ioc));
1895
1896         printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1897             ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1898
1899         if (retval == 0)
1900                 return SUCCESS;
1901         else
1902                 return FAILED;
1903 }
1904
1905 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1906 /**
1907  *      mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1908  *      @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1909  *
1910  *      (linux scsi_host_template.eh_host_reset_handler routine)
1911  *
1912  *      Returns SUCCESS or FAILED.
1913  */
1914 int
1915 mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1916 {
1917         MPT_SCSI_HOST *  hd;
1918         int              status = SUCCESS;
1919         MPT_ADAPTER     *ioc;
1920         int             retval;
1921
1922         /*  If we can't locate the host to reset, then we failed. */
1923         if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1924                 printk(KERN_ERR MYNAM ": host reset: "
1925                     "Can't locate host! (sc=%p)\n", SCpnt);
1926                 return FAILED;
1927         }
1928
1929         /* make sure we have no outstanding commands at this stage */
1930         mptscsih_flush_running_cmds(hd);
1931
1932         ioc = hd->ioc;
1933         printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1934             ioc->name, SCpnt);
1935
1936         /*  If our attempts to reset the host failed, then return a failed
1937          *  status.  The host will be taken off line by the SCSI mid-layer.
1938          */
1939         retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1940         if (retval < 0)
1941                 status = FAILED;
1942         else
1943                 status = SUCCESS;
1944
1945         printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1946             ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1947
1948         return status;
1949 }
1950
1951 static int
1952 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
1953         SCSITaskMgmtReply_t *pScsiTmReply)
1954 {
1955         u16                      iocstatus;
1956         u32                      termination_count;
1957         int                      retval;
1958
1959         if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
1960                 retval = FAILED;
1961                 goto out;
1962         }
1963
1964         DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
1965
1966         iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
1967         termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
1968
1969         dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1970             "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
1971             "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
1972             "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
1973             pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
1974             le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
1975             termination_count));
1976
1977         if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
1978             pScsiTmReply->ResponseCode)
1979                 mptscsih_taskmgmt_response_code(ioc,
1980                     pScsiTmReply->ResponseCode);
1981
1982         if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
1983                 retval = 0;
1984                 goto out;
1985         }
1986
1987         retval = FAILED;
1988         if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
1989                 if (termination_count == 1)
1990                         retval = 0;
1991                 goto out;
1992         }
1993
1994         if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
1995            iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
1996                 retval = 0;
1997
1998  out:
1999         return retval;
2000 }
2001
2002 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2003 void
2004 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2005 {
2006         char *desc;
2007
2008         switch (response_code) {
2009         case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2010                 desc = "The task completed.";
2011                 break;
2012         case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2013                 desc = "The IOC received an invalid frame status.";
2014                 break;
2015         case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2016                 desc = "The task type is not supported.";
2017                 break;
2018         case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2019                 desc = "The requested task failed.";
2020                 break;
2021         case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2022                 desc = "The task completed successfully.";
2023                 break;
2024         case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2025                 desc = "The LUN request is invalid.";
2026                 break;
2027         case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2028                 desc = "The task is in the IOC queue and has not been sent to target.";
2029                 break;
2030         default:
2031                 desc = "unknown";
2032                 break;
2033         }
2034         printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2035                 ioc->name, response_code, desc);
2036 }
2037 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2038
2039 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2040 /**
2041  *      mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2042  *      @ioc: Pointer to MPT_ADAPTER structure
2043  *      @mf: Pointer to SCSI task mgmt request frame
2044  *      @mr: Pointer to SCSI task mgmt reply frame
2045  *
2046  *      This routine is called from mptbase.c::mpt_interrupt() at the completion
2047  *      of any SCSI task management request.
2048  *      This routine is registered with the MPT (base) driver at driver
2049  *      load/init time via the mpt_register() API call.
2050  *
2051  *      Returns 1 indicating alloc'd request frame ptr should be freed.
2052  **/
2053 int
2054 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2055         MPT_FRAME_HDR *mr)
2056 {
2057         dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2058                 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2059
2060         ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2061
2062         if (!mr)
2063                 goto out;
2064
2065         ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2066         memcpy(ioc->taskmgmt_cmds.reply, mr,
2067             min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2068  out:
2069         if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2070                 mpt_clear_taskmgmt_in_progress_flag(ioc);
2071                 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2072                 complete(&ioc->taskmgmt_cmds.done);
2073                 if (ioc->bus_type == SAS)
2074                         ioc->schedule_target_reset(ioc);
2075                 return 1;
2076         }
2077         return 0;
2078 }
2079
2080 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2081 /*
2082  *      This is anyones guess quite frankly.
2083  */
2084 int
2085 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2086                 sector_t capacity, int geom[])
2087 {
2088         int             heads;
2089         int             sectors;
2090         sector_t        cylinders;
2091         ulong           dummy;
2092
2093         heads = 64;
2094         sectors = 32;
2095
2096         dummy = heads * sectors;
2097         cylinders = capacity;
2098         sector_div(cylinders,dummy);
2099
2100         /*
2101          * Handle extended translation size for logical drives
2102          * > 1Gb
2103          */
2104         if ((ulong)capacity >= 0x200000) {
2105                 heads = 255;
2106                 sectors = 63;
2107                 dummy = heads * sectors;
2108                 cylinders = capacity;
2109                 sector_div(cylinders,dummy);
2110         }
2111
2112         /* return result */
2113         geom[0] = heads;
2114         geom[1] = sectors;
2115         geom[2] = cylinders;
2116
2117         return 0;
2118 }
2119
2120 /* Search IOC page 3 to determine if this is hidden physical disk
2121  *
2122  */
2123 int
2124 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2125 {
2126         struct inactive_raid_component_info *component_info;
2127         int i, j;
2128         RaidPhysDiskPage1_t *phys_disk;
2129         int rc = 0;
2130         int num_paths;
2131
2132         if (!ioc->raid_data.pIocPg3)
2133                 goto out;
2134         for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2135                 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2136                     (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2137                         rc = 1;
2138                         goto out;
2139                 }
2140         }
2141
2142         if (ioc->bus_type != SAS)
2143                 goto out;
2144
2145         /*
2146          * Check if dual path
2147          */
2148         for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2149                 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2150                     ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2151                 if (num_paths < 2)
2152                         continue;
2153                 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2154                    (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2155                 if (!phys_disk)
2156                         continue;
2157                 if ((mpt_raid_phys_disk_pg1(ioc,
2158                     ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2159                     phys_disk))) {
2160                         kfree(phys_disk);
2161                         continue;
2162                 }
2163                 for (j = 0; j < num_paths; j++) {
2164                         if ((phys_disk->Path[j].Flags &
2165                             MPI_RAID_PHYSDISK1_FLAG_INVALID))
2166                                 continue;
2167                         if ((phys_disk->Path[j].Flags &
2168                             MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2169                                 continue;
2170                         if ((id == phys_disk->Path[j].PhysDiskID) &&
2171                             (channel == phys_disk->Path[j].PhysDiskBus)) {
2172                                 rc = 1;
2173                                 kfree(phys_disk);
2174                                 goto out;
2175                         }
2176                 }
2177                 kfree(phys_disk);
2178         }
2179
2180
2181         /*
2182          * Check inactive list for matching phys disks
2183          */
2184         if (list_empty(&ioc->raid_data.inactive_list))
2185                 goto out;
2186
2187         mutex_lock(&ioc->raid_data.inactive_list_mutex);
2188         list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2189             list) {
2190                 if ((component_info->d.PhysDiskID == id) &&
2191                     (component_info->d.PhysDiskBus == channel))
2192                         rc = 1;
2193         }
2194         mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2195
2196  out:
2197         return rc;
2198 }
2199 EXPORT_SYMBOL(mptscsih_is_phys_disk);
2200
2201 u8
2202 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2203 {
2204         struct inactive_raid_component_info *component_info;
2205         int i, j;
2206         RaidPhysDiskPage1_t *phys_disk;
2207         int rc = -ENXIO;
2208         int num_paths;
2209
2210         if (!ioc->raid_data.pIocPg3)
2211                 goto out;
2212         for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2213                 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2214                     (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2215                         rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2216                         goto out;
2217                 }
2218         }
2219
2220         if (ioc->bus_type != SAS)
2221                 goto out;
2222
2223         /*
2224          * Check if dual path
2225          */
2226         for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2227                 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2228                     ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2229                 if (num_paths < 2)
2230                         continue;
2231                 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2232                    (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2233                 if (!phys_disk)
2234                         continue;
2235                 if ((mpt_raid_phys_disk_pg1(ioc,
2236                     ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2237                     phys_disk))) {
2238                         kfree(phys_disk);
2239                         continue;
2240                 }
2241                 for (j = 0; j < num_paths; j++) {
2242                         if ((phys_disk->Path[j].Flags &
2243                             MPI_RAID_PHYSDISK1_FLAG_INVALID))
2244                                 continue;
2245                         if ((phys_disk->Path[j].Flags &
2246                             MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2247                                 continue;
2248                         if ((id == phys_disk->Path[j].PhysDiskID) &&
2249                             (channel == phys_disk->Path[j].PhysDiskBus)) {
2250                                 rc = phys_disk->PhysDiskNum;
2251                                 kfree(phys_disk);
2252                                 goto out;
2253                         }
2254                 }
2255                 kfree(phys_disk);
2256         }
2257
2258         /*
2259          * Check inactive list for matching phys disks
2260          */
2261         if (list_empty(&ioc->raid_data.inactive_list))
2262                 goto out;
2263
2264         mutex_lock(&ioc->raid_data.inactive_list_mutex);
2265         list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2266             list) {
2267                 if ((component_info->d.PhysDiskID == id) &&
2268                     (component_info->d.PhysDiskBus == channel))
2269                         rc = component_info->d.PhysDiskNum;
2270         }
2271         mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2272
2273  out:
2274         return rc;
2275 }
2276 EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2277
2278 /*
2279  *      OS entry point to allow for host driver to free allocated memory
2280  *      Called if no device present or device being unloaded
2281  */
2282 void
2283 mptscsih_slave_destroy(struct scsi_device *sdev)
2284 {
2285         struct Scsi_Host        *host = sdev->host;
2286         MPT_SCSI_HOST           *hd = shost_priv(host);
2287         VirtTarget              *vtarget;
2288         VirtDevice              *vdevice;
2289         struct scsi_target      *starget;
2290
2291         starget = scsi_target(sdev);
2292         vtarget = starget->hostdata;
2293         vdevice = sdev->hostdata;
2294         if (!vdevice)
2295                 return;
2296
2297         mptscsih_search_running_cmds(hd, vdevice);
2298         vtarget->num_luns--;
2299         mptscsih_synchronize_cache(hd, vdevice);
2300         kfree(vdevice);
2301         sdev->hostdata = NULL;
2302 }
2303
2304 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2305 /*
2306  *      mptscsih_change_queue_depth - This function will set a devices queue depth
2307  *      @sdev: per scsi_device pointer
2308  *      @qdepth: requested queue depth
2309  *
2310  *      Adding support for new 'change_queue_depth' api.
2311 */
2312 int
2313 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
2314 {
2315         MPT_SCSI_HOST           *hd = shost_priv(sdev->host);
2316         VirtTarget              *vtarget;
2317         struct scsi_target      *starget;
2318         int                     max_depth;
2319         MPT_ADAPTER             *ioc = hd->ioc;
2320
2321         starget = scsi_target(sdev);
2322         vtarget = starget->hostdata;
2323
2324         if (ioc->bus_type == SPI) {
2325                 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2326                         max_depth = 1;
2327                 else if (sdev->type == TYPE_DISK &&
2328                          vtarget->minSyncFactor <= MPT_ULTRA160)
2329                         max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2330                 else
2331                         max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2332         } else
2333                  max_depth = ioc->sh->can_queue;
2334
2335         if (!sdev->tagged_supported)
2336                 max_depth = 1;
2337
2338         if (qdepth > max_depth)
2339                 qdepth = max_depth;
2340
2341         return scsi_change_queue_depth(sdev, qdepth);
2342 }
2343
2344 /*
2345  *      OS entry point to adjust the queue_depths on a per-device basis.
2346  *      Called once per device the bus scan. Use it to force the queue_depth
2347  *      member to 1 if a device does not support Q tags.
2348  *      Return non-zero if fails.
2349  */
2350 int
2351 mptscsih_slave_configure(struct scsi_device *sdev)
2352 {
2353         struct Scsi_Host        *sh = sdev->host;
2354         VirtTarget              *vtarget;
2355         VirtDevice              *vdevice;
2356         struct scsi_target      *starget;
2357         MPT_SCSI_HOST           *hd = shost_priv(sh);
2358         MPT_ADAPTER             *ioc = hd->ioc;
2359
2360         starget = scsi_target(sdev);
2361         vtarget = starget->hostdata;
2362         vdevice = sdev->hostdata;
2363
2364         dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2365                 "device @ %p, channel=%d, id=%d, lun=%llu\n",
2366                 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2367         if (ioc->bus_type == SPI)
2368                 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2369                     "sdtr %d wdtr %d ppr %d inq length=%d\n",
2370                     ioc->name, sdev->sdtr, sdev->wdtr,
2371                     sdev->ppr, sdev->inquiry_len));
2372
2373         vdevice->configured_lun = 1;
2374
2375         dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2376                 "Queue depth=%d, tflags=%x\n",
2377                 ioc->name, sdev->queue_depth, vtarget->tflags));
2378
2379         if (ioc->bus_type == SPI)
2380                 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2381                     "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2382                     ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2383                     vtarget->minSyncFactor));
2384
2385         mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
2386         dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2387                 "tagged %d, simple %d\n",
2388                 ioc->name,sdev->tagged_supported, sdev->simple_tags));
2389
2390         blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2391
2392         return 0;
2393 }
2394
2395 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2396 /*
2397  *  Private routines...
2398  */
2399
2400 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2401 /* Utility function to copy sense data from the scsi_cmnd buffer
2402  * to the FC and SCSI target structures.
2403  *
2404  */
2405 static void
2406 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2407 {
2408         VirtDevice      *vdevice;
2409         SCSIIORequest_t *pReq;
2410         u32              sense_count = le32_to_cpu(pScsiReply->SenseCount);
2411         MPT_ADAPTER     *ioc = hd->ioc;
2412
2413         /* Get target structure
2414          */
2415         pReq = (SCSIIORequest_t *) mf;
2416         vdevice = sc->device->hostdata;
2417
2418         if (sense_count) {
2419                 u8 *sense_data;
2420                 int req_index;
2421
2422                 /* Copy the sense received into the scsi command block. */
2423                 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2424                 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2425                 memcpy(sc->sense_buffer, sense_data, MPT_SENSE_BUFFER_ALLOC);
2426
2427                 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2428                  */
2429                 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2430                         if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2431                                 int idx;
2432
2433                                 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2434                                 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2435                                 ioc->events[idx].eventContext = ioc->eventContext;
2436
2437                                 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2438                                         (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2439                                         (sc->device->channel << 8) | sc->device->id;
2440
2441                                 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2442
2443                                 ioc->eventContext++;
2444                                 if (ioc->pcidev->vendor ==
2445                                     PCI_VENDOR_ID_IBM) {
2446                                         mptscsih_issue_sep_command(ioc,
2447                                             vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2448                                         vdevice->vtarget->tflags |=
2449                                             MPT_TARGET_FLAGS_LED_ON;
2450                                 }
2451                         }
2452                 }
2453         } else {
2454                 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2455                                 ioc->name));
2456         }
2457 }
2458
2459 /**
2460  * mptscsih_get_scsi_lookup - retrieves scmd entry
2461  * @ioc: Pointer to MPT_ADAPTER structure
2462  * @i: index into the array
2463  *
2464  * Returns the scsi_cmd pointer
2465  */
2466 struct scsi_cmnd *
2467 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2468 {
2469         unsigned long   flags;
2470         struct scsi_cmnd *scmd;
2471
2472         spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2473         scmd = ioc->ScsiLookup[i];
2474         spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2475
2476         return scmd;
2477 }
2478 EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2479
2480 /**
2481  * mptscsih_getclear_scsi_lookup -  retrieves and clears scmd entry from ScsiLookup[] array list
2482  * @ioc: Pointer to MPT_ADAPTER structure
2483  * @i: index into the array
2484  *
2485  * Returns the scsi_cmd pointer
2486  *
2487  **/
2488 static struct scsi_cmnd *
2489 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2490 {
2491         unsigned long   flags;
2492         struct scsi_cmnd *scmd;
2493
2494         spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2495         scmd = ioc->ScsiLookup[i];
2496         ioc->ScsiLookup[i] = NULL;
2497         spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2498
2499         return scmd;
2500 }
2501
2502 /**
2503  * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
2504  *
2505  * @ioc: Pointer to MPT_ADAPTER structure
2506  * @i: index into the array
2507  * @scmd: scsi_cmnd pointer
2508  *
2509  **/
2510 static void
2511 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2512 {
2513         unsigned long   flags;
2514
2515         spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2516         ioc->ScsiLookup[i] = scmd;
2517         spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2518 }
2519
2520 /**
2521  * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2522  * @ioc: Pointer to MPT_ADAPTER structure
2523  * @sc: scsi_cmnd pointer
2524  */
2525 static int
2526 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2527 {
2528         unsigned long   flags;
2529         int i, index=-1;
2530
2531         spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2532         for (i = 0; i < ioc->req_depth; i++) {
2533                 if (ioc->ScsiLookup[i] == sc) {
2534                         index = i;
2535                         goto out;
2536                 }
2537         }
2538
2539  out:
2540         spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2541         return index;
2542 }
2543
2544 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2545 int
2546 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2547 {
2548         MPT_SCSI_HOST   *hd;
2549
2550         if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2551                 return 0;
2552
2553         hd = shost_priv(ioc->sh);
2554         switch (reset_phase) {
2555         case MPT_IOC_SETUP_RESET:
2556                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2557                     "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2558                 break;
2559         case MPT_IOC_PRE_RESET:
2560                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2561                     "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2562                 mptscsih_flush_running_cmds(hd);
2563                 break;
2564         case MPT_IOC_POST_RESET:
2565                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2566                     "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2567                 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2568                         ioc->internal_cmds.status |=
2569                                 MPT_MGMT_STATUS_DID_IOCRESET;
2570                         complete(&ioc->internal_cmds.done);
2571                 }
2572                 break;
2573         default:
2574                 break;
2575         }
2576         return 1;               /* currently means nothing really */
2577 }
2578
2579 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2580 int
2581 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2582 {
2583         u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2584
2585         devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2586                 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2587                 ioc->name, event));
2588
2589         if ((event == MPI_EVENT_IOC_BUS_RESET ||
2590             event == MPI_EVENT_EXT_BUS_RESET) &&
2591             (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2592                         ioc->soft_resets++;
2593
2594         return 1;               /* currently means nothing really */
2595 }
2596
2597 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2598 /*
2599  *  Bus Scan and Domain Validation functionality ...
2600  */
2601
2602 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2603 /*
2604  *      mptscsih_scandv_complete - Scan and DV callback routine registered
2605  *      to Fustion MPT (base) driver.
2606  *
2607  *      @ioc: Pointer to MPT_ADAPTER structure
2608  *      @mf: Pointer to original MPT request frame
2609  *      @mr: Pointer to MPT reply frame (NULL if TurboReply)
2610  *
2611  *      This routine is called from mpt.c::mpt_interrupt() at the completion
2612  *      of any SCSI IO request.
2613  *      This routine is registered with the Fusion MPT (base) driver at driver
2614  *      load/init time via the mpt_register() API call.
2615  *
2616  *      Returns 1 indicating alloc'd request frame ptr should be freed.
2617  *
2618  *      Remark: Sets a completion code and (possibly) saves sense data
2619  *      in the IOC member localReply structure.
2620  *      Used ONLY for DV and other internal commands.
2621  */
2622 int
2623 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2624                                 MPT_FRAME_HDR *reply)
2625 {
2626         SCSIIORequest_t *pReq;
2627         SCSIIOReply_t   *pReply;
2628         u8               cmd;
2629         u16              req_idx;
2630         u8      *sense_data;
2631         int              sz;
2632
2633         ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2634         ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2635         if (!reply)
2636                 goto out;
2637
2638         pReply = (SCSIIOReply_t *) reply;
2639         pReq = (SCSIIORequest_t *) req;
2640         ioc->internal_cmds.completion_code =
2641             mptscsih_get_completion_code(ioc, req, reply);
2642         ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2643         memcpy(ioc->internal_cmds.reply, reply,
2644             min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2645         cmd = reply->u.hdr.Function;
2646         if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2647             (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2648             (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2649                 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2650                 sense_data = ((u8 *)ioc->sense_buf_pool +
2651                     (req_idx * MPT_SENSE_BUFFER_ALLOC));
2652                 sz = min_t(int, pReq->SenseBufferLength,
2653                     MPT_SENSE_BUFFER_ALLOC);
2654                 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2655         }
2656  out:
2657         if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2658                 return 0;
2659         ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2660         complete(&ioc->internal_cmds.done);
2661         return 1;
2662 }
2663
2664
2665 /**
2666  *      mptscsih_get_completion_code - get completion code from MPT request
2667  *      @ioc: Pointer to MPT_ADAPTER structure
2668  *      @req: Pointer to original MPT request frame
2669  *      @reply: Pointer to MPT reply frame (NULL if TurboReply)
2670  *
2671  **/
2672 static int
2673 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2674                                 MPT_FRAME_HDR *reply)
2675 {
2676         SCSIIOReply_t   *pReply;
2677         MpiRaidActionReply_t *pr;
2678         u8               scsi_status;
2679         u16              status;
2680         int              completion_code;
2681
2682         pReply = (SCSIIOReply_t *)reply;
2683         status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2684         scsi_status = pReply->SCSIStatus;
2685
2686         devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2687             "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2688             "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2689             scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2690
2691         switch (status) {
2692
2693         case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:       /* 0x0043 */
2694                 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2695                 break;
2696
2697         case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:          /* 0x0046 */
2698         case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:        /* 0x0048 */
2699         case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:         /* 0x004B */
2700         case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:         /* 0x004C */
2701                 completion_code = MPT_SCANDV_DID_RESET;
2702                 break;
2703
2704         case MPI_IOCSTATUS_BUSY:
2705         case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2706                 completion_code = MPT_SCANDV_BUSY;
2707                 break;
2708
2709         case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:          /* 0x0045 */
2710         case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR:        /* 0x0040 */
2711         case MPI_IOCSTATUS_SUCCESS:                     /* 0x0000 */
2712                 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2713                         completion_code = MPT_SCANDV_GOOD;
2714                 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2715                         pr = (MpiRaidActionReply_t *)reply;
2716                         if (le16_to_cpu(pr->ActionStatus) ==
2717                                 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2718                                 completion_code = MPT_SCANDV_GOOD;
2719                         else
2720                                 completion_code = MPT_SCANDV_SOME_ERROR;
2721                 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2722                         completion_code = MPT_SCANDV_SENSE;
2723                 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2724                         if (req->u.scsireq.CDB[0] == INQUIRY)
2725                                 completion_code = MPT_SCANDV_ISSUE_SENSE;
2726                         else
2727                                 completion_code = MPT_SCANDV_DID_RESET;
2728                 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2729                         completion_code = MPT_SCANDV_DID_RESET;
2730                 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2731                         completion_code = MPT_SCANDV_DID_RESET;
2732                 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2733                         completion_code = MPT_SCANDV_BUSY;
2734                 else
2735                         completion_code = MPT_SCANDV_GOOD;
2736                 break;
2737
2738         case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:         /* 0x0047 */
2739                 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2740                         completion_code = MPT_SCANDV_DID_RESET;
2741                 else
2742                         completion_code = MPT_SCANDV_SOME_ERROR;
2743                 break;
2744         default:
2745                 completion_code = MPT_SCANDV_SOME_ERROR;
2746                 break;
2747
2748         }       /* switch(status) */
2749
2750         devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2751             "  completionCode set to %08xh\n", ioc->name, completion_code));
2752         return completion_code;
2753 }
2754
2755 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2756 /**
2757  *      mptscsih_do_cmd - Do internal command.
2758  *      @hd: MPT_SCSI_HOST pointer
2759  *      @io: INTERNAL_CMD pointer.
2760  *
2761  *      Issue the specified internally generated command and do command
2762  *      specific cleanup. For bus scan / DV only.
2763  *      NOTES: If command is Inquiry and status is good,
2764  *      initialize a target structure, save the data
2765  *
2766  *      Remark: Single threaded access only.
2767  *
2768  *      Return:
2769  *              < 0 if an illegal command or no resources
2770  *
2771  *                 0 if good
2772  *
2773  *               > 0 if command complete but some type of completion error.
2774  */
2775 static int
2776 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2777 {
2778         MPT_FRAME_HDR   *mf;
2779         SCSIIORequest_t *pScsiReq;
2780         int              my_idx, ii, dir;
2781         int              timeout;
2782         char             cmdLen;
2783         char             CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2784         u8               cmd = io->cmd;
2785         MPT_ADAPTER *ioc = hd->ioc;
2786         int              ret = 0;
2787         unsigned long    timeleft;
2788         unsigned long    flags;
2789
2790         /* don't send internal command during diag reset */
2791         spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2792         if (ioc->ioc_reset_in_progress) {
2793                 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2794                 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2795                         "%s: busy with host reset\n", ioc->name, __func__));
2796                 return MPT_SCANDV_BUSY;
2797         }
2798         spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2799
2800         mutex_lock(&ioc->internal_cmds.mutex);
2801
2802         /* Set command specific information
2803          */
2804         switch (cmd) {
2805         case INQUIRY:
2806                 cmdLen = 6;
2807                 dir = MPI_SCSIIO_CONTROL_READ;
2808                 CDB[0] = cmd;
2809                 CDB[4] = io->size;
2810                 timeout = 10;
2811                 break;
2812
2813         case TEST_UNIT_READY:
2814                 cmdLen = 6;
2815                 dir = MPI_SCSIIO_CONTROL_READ;
2816                 timeout = 10;
2817                 break;
2818
2819         case START_STOP:
2820                 cmdLen = 6;
2821                 dir = MPI_SCSIIO_CONTROL_READ;
2822                 CDB[0] = cmd;
2823                 CDB[4] = 1;     /*Spin up the disk */
2824                 timeout = 15;
2825                 break;
2826
2827         case REQUEST_SENSE:
2828                 cmdLen = 6;
2829                 CDB[0] = cmd;
2830                 CDB[4] = io->size;
2831                 dir = MPI_SCSIIO_CONTROL_READ;
2832                 timeout = 10;
2833                 break;
2834
2835         case READ_BUFFER:
2836                 cmdLen = 10;
2837                 dir = MPI_SCSIIO_CONTROL_READ;
2838                 CDB[0] = cmd;
2839                 if (io->flags & MPT_ICFLAG_ECHO) {
2840                         CDB[1] = 0x0A;
2841                 } else {
2842                         CDB[1] = 0x02;
2843                 }
2844
2845                 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2846                         CDB[1] |= 0x01;
2847                 }
2848                 CDB[6] = (io->size >> 16) & 0xFF;
2849                 CDB[7] = (io->size >>  8) & 0xFF;
2850                 CDB[8] = io->size & 0xFF;
2851                 timeout = 10;
2852                 break;
2853
2854         case WRITE_BUFFER:
2855                 cmdLen = 10;
2856                 dir = MPI_SCSIIO_CONTROL_WRITE;
2857                 CDB[0] = cmd;
2858                 if (io->flags & MPT_ICFLAG_ECHO) {
2859                         CDB[1] = 0x0A;
2860                 } else {
2861                         CDB[1] = 0x02;
2862                 }
2863                 CDB[6] = (io->size >> 16) & 0xFF;
2864                 CDB[7] = (io->size >>  8) & 0xFF;
2865                 CDB[8] = io->size & 0xFF;
2866                 timeout = 10;
2867                 break;
2868
2869         case RESERVE:
2870                 cmdLen = 6;
2871                 dir = MPI_SCSIIO_CONTROL_READ;
2872                 CDB[0] = cmd;
2873                 timeout = 10;
2874                 break;
2875
2876         case RELEASE:
2877                 cmdLen = 6;
2878                 dir = MPI_SCSIIO_CONTROL_READ;
2879                 CDB[0] = cmd;
2880                 timeout = 10;
2881                 break;
2882
2883         case SYNCHRONIZE_CACHE:
2884                 cmdLen = 10;
2885                 dir = MPI_SCSIIO_CONTROL_READ;
2886                 CDB[0] = cmd;
2887 //              CDB[1] = 0x02;  /* set immediate bit */
2888                 timeout = 10;
2889                 break;
2890
2891         default:
2892                 /* Error Case */
2893                 ret = -EFAULT;
2894                 goto out;
2895         }
2896
2897         /* Get and Populate a free Frame
2898          * MsgContext set in mpt_get_msg_frame call
2899          */
2900         if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
2901                 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2902                     ioc->name, __func__));
2903                 ret = MPT_SCANDV_BUSY;
2904                 goto out;
2905         }
2906
2907         pScsiReq = (SCSIIORequest_t *) mf;
2908
2909         /* Get the request index */
2910         my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2911         ADD_INDEX_LOG(my_idx); /* for debug */
2912
2913         if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2914                 pScsiReq->TargetID = io->physDiskNum;
2915                 pScsiReq->Bus = 0;
2916                 pScsiReq->ChainOffset = 0;
2917                 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2918         } else {
2919                 pScsiReq->TargetID = io->id;
2920                 pScsiReq->Bus = io->channel;
2921                 pScsiReq->ChainOffset = 0;
2922                 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2923         }
2924
2925         pScsiReq->CDBLength = cmdLen;
2926         pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2927
2928         pScsiReq->Reserved = 0;
2929
2930         pScsiReq->MsgFlags = mpt_msg_flags(ioc);
2931         /* MsgContext set in mpt_get_msg_fram call  */
2932
2933         int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
2934
2935         if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2936                 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
2937         else
2938                 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2939
2940         if (cmd == REQUEST_SENSE) {
2941                 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2942                 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2943                     "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
2944         }
2945
2946         for (ii = 0; ii < 16; ii++)
2947                 pScsiReq->CDB[ii] = CDB[ii];
2948
2949         pScsiReq->DataLength = cpu_to_le32(io->size);
2950         pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
2951                                            + (my_idx * MPT_SENSE_BUFFER_ALLOC));
2952
2953         devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2954             "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n",
2955             ioc->name, __func__, cmd, io->channel, io->id, io->lun));
2956
2957         if (dir == MPI_SCSIIO_CONTROL_READ)
2958                 ioc->add_sge((char *) &pScsiReq->SGL,
2959                     MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
2960         else
2961                 ioc->add_sge((char *) &pScsiReq->SGL,
2962                     MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
2963
2964         INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
2965         mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
2966         timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
2967             timeout*HZ);
2968         if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2969                 ret = MPT_SCANDV_DID_RESET;
2970                 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2971                     "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
2972                     cmd));
2973                 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
2974                         mpt_free_msg_frame(ioc, mf);
2975                         goto out;
2976                 }
2977                 if (!timeleft) {
2978                         printk(MYIOC_s_WARN_FMT
2979                                "Issuing Reset from %s!! doorbell=0x%08xh"
2980                                " cmd=0x%02x\n",
2981                                ioc->name, __func__, mpt_GetIocState(ioc, 0),
2982                                cmd);
2983                         mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2984                         mpt_free_msg_frame(ioc, mf);
2985                 }
2986                 goto out;
2987         }
2988
2989         ret = ioc->internal_cmds.completion_code;
2990         devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
2991                         ioc->name, __func__, ret));
2992
2993  out:
2994         CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
2995         mutex_unlock(&ioc->internal_cmds.mutex);
2996         return ret;
2997 }
2998
2999 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3000 /**
3001  *      mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3002  *      @hd: Pointer to a SCSI HOST structure
3003  *      @vdevice: virtual target device
3004  *
3005  *      Uses the ISR, but with special processing.
3006  *      MUST be single-threaded.
3007  *
3008  */
3009 static void
3010 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3011 {
3012         INTERNAL_CMD             iocmd;
3013
3014         /* Ignore hidden raid components, this is handled when the command
3015          * is sent to the volume
3016          */
3017         if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3018                 return;
3019
3020         if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3021             !vdevice->configured_lun)
3022                 return;
3023
3024         /* Following parameters will not change
3025          * in this routine.
3026          */
3027         iocmd.cmd = SYNCHRONIZE_CACHE;
3028         iocmd.flags = 0;
3029         iocmd.physDiskNum = -1;
3030         iocmd.data = NULL;
3031         iocmd.data_dma = -1;
3032         iocmd.size = 0;
3033         iocmd.rsvd = iocmd.rsvd2 = 0;
3034         iocmd.channel = vdevice->vtarget->channel;
3035         iocmd.id = vdevice->vtarget->id;
3036         iocmd.lun = vdevice->lun;
3037
3038         mptscsih_do_cmd(hd, &iocmd);
3039 }
3040
3041 static ssize_t
3042 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3043                          char *buf)
3044 {
3045         struct Scsi_Host *host = class_to_shost(dev);
3046         MPT_SCSI_HOST   *hd = shost_priv(host);
3047         MPT_ADAPTER *ioc = hd->ioc;
3048
3049         return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3050             (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3051             (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3052             (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3053             ioc->facts.FWVersion.Word & 0x000000FF);
3054 }
3055 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3056
3057 static ssize_t
3058 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3059                            char *buf)
3060 {
3061         struct Scsi_Host *host = class_to_shost(dev);
3062         MPT_SCSI_HOST   *hd = shost_priv(host);
3063         MPT_ADAPTER *ioc = hd->ioc;
3064
3065         return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3066             (ioc->biosVersion & 0xFF000000) >> 24,
3067             (ioc->biosVersion & 0x00FF0000) >> 16,
3068             (ioc->biosVersion & 0x0000FF00) >> 8,
3069             ioc->biosVersion & 0x000000FF);
3070 }
3071 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3072
3073 static ssize_t
3074 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3075                           char *buf)
3076 {
3077         struct Scsi_Host *host = class_to_shost(dev);
3078         MPT_SCSI_HOST   *hd = shost_priv(host);
3079         MPT_ADAPTER *ioc = hd->ioc;
3080
3081         return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3082 }
3083 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3084
3085 static ssize_t
3086 mptscsih_version_product_show(struct device *dev,
3087                               struct device_attribute *attr,
3088 char *buf)
3089 {
3090         struct Scsi_Host *host = class_to_shost(dev);
3091         MPT_SCSI_HOST   *hd = shost_priv(host);
3092         MPT_ADAPTER *ioc = hd->ioc;
3093
3094         return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3095 }
3096 static DEVICE_ATTR(version_product, S_IRUGO,
3097     mptscsih_version_product_show, NULL);
3098
3099 static ssize_t
3100 mptscsih_version_nvdata_persistent_show(struct device *dev,
3101                                         struct device_attribute *attr,
3102                                         char *buf)
3103 {
3104         struct Scsi_Host *host = class_to_shost(dev);
3105         MPT_SCSI_HOST   *hd = shost_priv(host);
3106         MPT_ADAPTER *ioc = hd->ioc;
3107
3108         return snprintf(buf, PAGE_SIZE, "%02xh\n",
3109             ioc->nvdata_version_persistent);
3110 }
3111 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3112     mptscsih_version_nvdata_persistent_show, NULL);
3113
3114 static ssize_t
3115 mptscsih_version_nvdata_default_show(struct device *dev,
3116                                      struct device_attribute *attr, char *buf)
3117 {
3118         struct Scsi_Host *host = class_to_shost(dev);
3119         MPT_SCSI_HOST   *hd = shost_priv(host);
3120         MPT_ADAPTER *ioc = hd->ioc;
3121
3122         return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3123 }
3124 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3125     mptscsih_version_nvdata_default_show, NULL);
3126
3127 static ssize_t
3128 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3129                          char *buf)
3130 {
3131         struct Scsi_Host *host = class_to_shost(dev);
3132         MPT_SCSI_HOST   *hd = shost_priv(host);
3133         MPT_ADAPTER *ioc = hd->ioc;
3134
3135         return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3136 }
3137 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3138
3139 static ssize_t
3140 mptscsih_board_assembly_show(struct device *dev,
3141                              struct device_attribute *attr, char *buf)
3142 {
3143         struct Scsi_Host *host = class_to_shost(dev);
3144         MPT_SCSI_HOST   *hd = shost_priv(host);
3145         MPT_ADAPTER *ioc = hd->ioc;
3146
3147         return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3148 }
3149 static DEVICE_ATTR(board_assembly, S_IRUGO,
3150     mptscsih_board_assembly_show, NULL);
3151
3152 static ssize_t
3153 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3154                            char *buf)
3155 {
3156         struct Scsi_Host *host = class_to_shost(dev);
3157         MPT_SCSI_HOST   *hd = shost_priv(host);
3158         MPT_ADAPTER *ioc = hd->ioc;
3159
3160         return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3161 }
3162 static DEVICE_ATTR(board_tracer, S_IRUGO,
3163     mptscsih_board_tracer_show, NULL);
3164
3165 static ssize_t
3166 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3167                        char *buf)
3168 {
3169         struct Scsi_Host *host = class_to_shost(dev);
3170         MPT_SCSI_HOST   *hd = shost_priv(host);
3171         MPT_ADAPTER *ioc = hd->ioc;
3172
3173         return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3174 }
3175 static DEVICE_ATTR(io_delay, S_IRUGO,
3176     mptscsih_io_delay_show, NULL);
3177
3178 static ssize_t
3179 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3180                            char *buf)
3181 {
3182         struct Scsi_Host *host = class_to_shost(dev);
3183         MPT_SCSI_HOST   *hd = shost_priv(host);
3184         MPT_ADAPTER *ioc = hd->ioc;
3185
3186         return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3187 }
3188 static DEVICE_ATTR(device_delay, S_IRUGO,
3189     mptscsih_device_delay_show, NULL);
3190
3191 static ssize_t
3192 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3193                           char *buf)
3194 {
3195         struct Scsi_Host *host = class_to_shost(dev);
3196         MPT_SCSI_HOST   *hd = shost_priv(host);
3197         MPT_ADAPTER *ioc = hd->ioc;
3198
3199         return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3200 }
3201 static ssize_t
3202 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3203                            const char *buf, size_t count)
3204 {
3205         struct Scsi_Host *host = class_to_shost(dev);
3206         MPT_SCSI_HOST   *hd = shost_priv(host);
3207         MPT_ADAPTER *ioc = hd->ioc;
3208         int val = 0;
3209
3210         if (sscanf(buf, "%x", &val) != 1)
3211                 return -EINVAL;
3212
3213         ioc->debug_level = val;
3214         printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3215                                 ioc->name, ioc->debug_level);
3216         return strlen(buf);
3217 }
3218 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3219         mptscsih_debug_level_show, mptscsih_debug_level_store);
3220
3221 struct device_attribute *mptscsih_host_attrs[] = {
3222         &dev_attr_version_fw,
3223         &dev_attr_version_bios,
3224         &dev_attr_version_mpi,
3225         &dev_attr_version_product,
3226         &dev_attr_version_nvdata_persistent,
3227         &dev_attr_version_nvdata_default,
3228         &dev_attr_board_name,
3229         &dev_attr_board_assembly,
3230         &dev_attr_board_tracer,
3231         &dev_attr_io_delay,
3232         &dev_attr_device_delay,
3233         &dev_attr_debug_level,
3234         NULL,
3235 };
3236
3237 EXPORT_SYMBOL(mptscsih_host_attrs);
3238
3239 EXPORT_SYMBOL(mptscsih_remove);
3240 EXPORT_SYMBOL(mptscsih_shutdown);
3241 #ifdef CONFIG_PM
3242 EXPORT_SYMBOL(mptscsih_suspend);
3243 EXPORT_SYMBOL(mptscsih_resume);
3244 #endif
3245 EXPORT_SYMBOL(mptscsih_show_info);
3246 EXPORT_SYMBOL(mptscsih_info);
3247 EXPORT_SYMBOL(mptscsih_qcmd);
3248 EXPORT_SYMBOL(mptscsih_slave_destroy);
3249 EXPORT_SYMBOL(mptscsih_slave_configure);
3250 EXPORT_SYMBOL(mptscsih_abort);
3251 EXPORT_SYMBOL(mptscsih_dev_reset);
3252 EXPORT_SYMBOL(mptscsih_bus_reset);
3253 EXPORT_SYMBOL(mptscsih_host_reset);
3254 EXPORT_SYMBOL(mptscsih_bios_param);
3255 EXPORT_SYMBOL(mptscsih_io_done);
3256 EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3257 EXPORT_SYMBOL(mptscsih_scandv_complete);
3258 EXPORT_SYMBOL(mptscsih_event_process);
3259 EXPORT_SYMBOL(mptscsih_ioc_reset);
3260 EXPORT_SYMBOL(mptscsih_change_queue_depth);
3261
3262 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/