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>    /* needed for in_interrupt() proto */
  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((hd = shost_priv(host)) == NULL)
1180                 return;
1181
1182         mptscsih_shutdown(pdev);
1183
1184         sz1=0;
1185
1186         if (ioc->ScsiLookup != NULL) {
1187                 sz1 = ioc->req_depth * sizeof(void *);
1188                 kfree(ioc->ScsiLookup);
1189                 ioc->ScsiLookup = NULL;
1190         }
1191
1192         dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1193             "Free'd ScsiLookup (%d) memory\n",
1194             ioc->name, sz1));
1195
1196         kfree(hd->info_kbuf);
1197
1198         /* NULL the Scsi_Host pointer
1199          */
1200         ioc->sh = NULL;
1201
1202         scsi_host_put(host);
1203
1204         mpt_detach(pdev);
1205
1206 }
1207
1208 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1209 /*
1210  *      mptscsih_shutdown - reboot notifier
1211  *
1212  */
1213 void
1214 mptscsih_shutdown(struct pci_dev *pdev)
1215 {
1216 }
1217
1218 #ifdef CONFIG_PM
1219 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1220 /*
1221  *      mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1222  *
1223  *
1224  */
1225 int
1226 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1227 {
1228         MPT_ADAPTER             *ioc = pci_get_drvdata(pdev);
1229
1230         scsi_block_requests(ioc->sh);
1231         flush_scheduled_work();
1232         mptscsih_shutdown(pdev);
1233         return mpt_suspend(pdev,state);
1234 }
1235
1236 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1237 /*
1238  *      mptscsih_resume - Fusion MPT scsi driver resume routine.
1239  *
1240  *
1241  */
1242 int
1243 mptscsih_resume(struct pci_dev *pdev)
1244 {
1245         MPT_ADAPTER             *ioc = pci_get_drvdata(pdev);
1246         int rc;
1247
1248         rc = mpt_resume(pdev);
1249         scsi_unblock_requests(ioc->sh);
1250         return rc;
1251 }
1252
1253 #endif
1254
1255 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1256 /**
1257  *      mptscsih_info - Return information about MPT adapter
1258  *      @SChost: Pointer to Scsi_Host structure
1259  *
1260  *      (linux scsi_host_template.info routine)
1261  *
1262  *      Returns pointer to buffer where information was written.
1263  */
1264 const char *
1265 mptscsih_info(struct Scsi_Host *SChost)
1266 {
1267         MPT_SCSI_HOST *h;
1268         int size = 0;
1269
1270         h = shost_priv(SChost);
1271
1272         if (h->info_kbuf == NULL)
1273                 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1274                         return h->info_kbuf;
1275         h->info_kbuf[0] = '\0';
1276
1277         mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1278         h->info_kbuf[size-1] = '\0';
1279
1280         return h->info_kbuf;
1281 }
1282
1283 int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host)
1284 {
1285         MPT_SCSI_HOST   *hd = shost_priv(host);
1286         MPT_ADAPTER     *ioc = hd->ioc;
1287
1288         seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name);
1289         seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1290         seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts);
1291         seq_printf(m, "MaxQ=%d\n", ioc->req_depth);
1292
1293         return 0;
1294 }
1295
1296 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1297 #define ADD_INDEX_LOG(req_ent)  do { } while(0)
1298
1299 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1300 /**
1301  *      mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1302  *      @SCpnt: Pointer to scsi_cmnd structure
1303  *
1304  *      (linux scsi_host_template.queuecommand routine)
1305  *      This is the primary SCSI IO start routine.  Create a MPI SCSIIORequest
1306  *      from a linux scsi_cmnd request and send it to the IOC.
1307  *
1308  *      Returns 0. (rtn value discarded by linux scsi mid-layer)
1309  */
1310 int
1311 mptscsih_qcmd(struct scsi_cmnd *SCpnt)
1312 {
1313         MPT_SCSI_HOST           *hd;
1314         MPT_FRAME_HDR           *mf;
1315         SCSIIORequest_t         *pScsiReq;
1316         VirtDevice              *vdevice = SCpnt->device->hostdata;
1317         u32      datalen;
1318         u32      scsictl;
1319         u32      scsidir;
1320         u32      cmd_len;
1321         int      my_idx;
1322         int      ii;
1323         MPT_ADAPTER *ioc;
1324
1325         hd = shost_priv(SCpnt->device->host);
1326         ioc = hd->ioc;
1327
1328         dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p\n",
1329                 ioc->name, SCpnt));
1330
1331         if (ioc->taskmgmt_quiesce_io)
1332                 return SCSI_MLQUEUE_HOST_BUSY;
1333
1334         /*
1335          *  Put together a MPT SCSI request...
1336          */
1337         if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1338                 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1339                                 ioc->name));
1340                 return SCSI_MLQUEUE_HOST_BUSY;
1341         }
1342
1343         pScsiReq = (SCSIIORequest_t *) mf;
1344
1345         my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1346
1347         ADD_INDEX_LOG(my_idx);
1348
1349         /*    TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1350          *    Seems we may receive a buffer (datalen>0) even when there
1351          *    will be no data transfer!  GRRRRR...
1352          */
1353         if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1354                 datalen = scsi_bufflen(SCpnt);
1355                 scsidir = MPI_SCSIIO_CONTROL_READ;      /* DATA IN  (host<--ioc<--dev) */
1356         } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1357                 datalen = scsi_bufflen(SCpnt);
1358                 scsidir = MPI_SCSIIO_CONTROL_WRITE;     /* DATA OUT (host-->ioc-->dev) */
1359         } else {
1360                 datalen = 0;
1361                 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1362         }
1363
1364         /* Default to untagged. Once a target structure has been allocated,
1365          * use the Inquiry data to determine if device supports tagged.
1366          */
1367         if ((vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) &&
1368             SCpnt->device->tagged_supported)
1369                 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1370         else
1371                 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1372
1373
1374         /* Use the above information to set up the message frame
1375          */
1376         pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1377         pScsiReq->Bus = vdevice->vtarget->channel;
1378         pScsiReq->ChainOffset = 0;
1379         if (vdevice->vtarget->tflags &  MPT_TARGET_FLAGS_RAID_COMPONENT)
1380                 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1381         else
1382                 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1383         pScsiReq->CDBLength = SCpnt->cmd_len;
1384         pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1385         pScsiReq->Reserved = 0;
1386         pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1387         int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1388         pScsiReq->Control = cpu_to_le32(scsictl);
1389
1390         /*
1391          *  Write SCSI CDB into the message
1392          */
1393         cmd_len = SCpnt->cmd_len;
1394         for (ii=0; ii < cmd_len; ii++)
1395                 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1396
1397         for (ii=cmd_len; ii < 16; ii++)
1398                 pScsiReq->CDB[ii] = 0;
1399
1400         /* DataLength */
1401         pScsiReq->DataLength = cpu_to_le32(datalen);
1402
1403         /* SenseBuffer low address */
1404         pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1405                                            + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1406
1407         /* Now add the SG list
1408          * Always have a SGE even if null length.
1409          */
1410         if (datalen == 0) {
1411                 /* Add a NULL SGE */
1412                 ioc->add_sge((char *)&pScsiReq->SGL,
1413                         MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1414                         (dma_addr_t) -1);
1415         } else {
1416                 /* Add a 32 or 64 bit SGE */
1417                 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1418                         goto fail;
1419         }
1420
1421         SCpnt->host_scribble = (unsigned char *)mf;
1422         mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1423
1424         mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1425         dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1426                         ioc->name, SCpnt, mf, my_idx));
1427         DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1428         return 0;
1429
1430  fail:
1431         mptscsih_freeChainBuffers(ioc, my_idx);
1432         mpt_free_msg_frame(ioc, mf);
1433         return SCSI_MLQUEUE_HOST_BUSY;
1434 }
1435
1436 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1437 /*
1438  *      mptscsih_freeChainBuffers - Function to free chain buffers associated
1439  *      with a SCSI IO request
1440  *      @hd: Pointer to the MPT_SCSI_HOST instance
1441  *      @req_idx: Index of the SCSI IO request frame.
1442  *
1443  *      Called if SG chain buffer allocation fails and mptscsih callbacks.
1444  *      No return.
1445  */
1446 static void
1447 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1448 {
1449         MPT_FRAME_HDR *chain;
1450         unsigned long flags;
1451         int chain_idx;
1452         int next;
1453
1454         /* Get the first chain index and reset
1455          * tracker state.
1456          */
1457         chain_idx = ioc->ReqToChain[req_idx];
1458         ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1459
1460         while (chain_idx != MPT_HOST_NO_CHAIN) {
1461
1462                 /* Save the next chain buffer index */
1463                 next = ioc->ChainToChain[chain_idx];
1464
1465                 /* Free this chain buffer and reset
1466                  * tracker
1467                  */
1468                 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1469
1470                 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1471                                         + (chain_idx * ioc->req_sz));
1472
1473                 spin_lock_irqsave(&ioc->FreeQlock, flags);
1474                 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1475                 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1476
1477                 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1478                                 ioc->name, chain_idx));
1479
1480                 /* handle next */
1481                 chain_idx = next;
1482         }
1483         return;
1484 }
1485
1486 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1487 /*
1488  *      Reset Handling
1489  */
1490
1491 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1492 /**
1493  *      mptscsih_IssueTaskMgmt - Generic send Task Management function.
1494  *      @hd: Pointer to MPT_SCSI_HOST structure
1495  *      @type: Task Management type
1496  *      @channel: channel number for task management
1497  *      @id: Logical Target ID for reset (if appropriate)
1498  *      @lun: Logical Unit for reset (if appropriate)
1499  *      @ctx2abort: Context for the task to be aborted (if appropriate)
1500  *      @timeout: timeout for task management control
1501  *
1502  *      Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1503  *      or a non-interrupt thread.  In the former, must not call schedule().
1504  *
1505  *      Not all fields are meaningfull for all task types.
1506  *
1507  *      Returns 0 for SUCCESS, or FAILED.
1508  *
1509  **/
1510 int
1511 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, u64 lun,
1512         int ctx2abort, ulong timeout)
1513 {
1514         MPT_FRAME_HDR   *mf;
1515         SCSITaskMgmt_t  *pScsiTm;
1516         int              ii;
1517         int              retval;
1518         MPT_ADAPTER     *ioc = hd->ioc;
1519         u8               issue_hard_reset;
1520         u32              ioc_raw_state;
1521         unsigned long    time_count;
1522
1523         issue_hard_reset = 0;
1524         ioc_raw_state = mpt_GetIocState(ioc, 0);
1525
1526         if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1527                 printk(MYIOC_s_WARN_FMT
1528                         "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1529                         ioc->name, type, ioc_raw_state);
1530                 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1531                     ioc->name, __func__);
1532                 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1533                         printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1534                             "FAILED!!\n", ioc->name);
1535                 return 0;
1536         }
1537
1538         /* DOORBELL ACTIVE check is not required if
1539         *  MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported.
1540         */
1541
1542         if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
1543                  && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
1544                 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
1545                 printk(MYIOC_s_WARN_FMT
1546                         "TaskMgmt type=%x: ioc_state: "
1547                         "DOORBELL_ACTIVE (0x%x)!\n",
1548                         ioc->name, type, ioc_raw_state);
1549                 return FAILED;
1550         }
1551
1552         mutex_lock(&ioc->taskmgmt_cmds.mutex);
1553         if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1554                 mf = NULL;
1555                 retval = FAILED;
1556                 goto out;
1557         }
1558
1559         /* Return Fail to calling function if no message frames available.
1560          */
1561         if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1562                 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1563                         "TaskMgmt no msg frames!!\n", ioc->name));
1564                 retval = FAILED;
1565                 mpt_clear_taskmgmt_in_progress_flag(ioc);
1566                 goto out;
1567         }
1568         dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1569                         ioc->name, mf));
1570
1571         /* Format the Request
1572          */
1573         pScsiTm = (SCSITaskMgmt_t *) mf;
1574         pScsiTm->TargetID = id;
1575         pScsiTm->Bus = channel;
1576         pScsiTm->ChainOffset = 0;
1577         pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1578
1579         pScsiTm->Reserved = 0;
1580         pScsiTm->TaskType = type;
1581         pScsiTm->Reserved1 = 0;
1582         pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1583                     ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1584
1585         int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1586
1587         for (ii=0; ii < 7; ii++)
1588                 pScsiTm->Reserved2[ii] = 0;
1589
1590         pScsiTm->TaskMsgContext = ctx2abort;
1591
1592         dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1593                 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1594                 type, timeout));
1595
1596         DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1597
1598         INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1599         time_count = jiffies;
1600         if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1601             (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1602                 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1603         else {
1604                 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1605                         sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1606                 if (retval) {
1607                         dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1608                                 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1609                                 ioc->name, mf, retval));
1610                         mpt_free_msg_frame(ioc, mf);
1611                         mpt_clear_taskmgmt_in_progress_flag(ioc);
1612                         goto out;
1613                 }
1614         }
1615
1616         wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1617                 timeout*HZ);
1618         if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1619                 retval = FAILED;
1620                 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1621                     "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1622                 mpt_clear_taskmgmt_in_progress_flag(ioc);
1623                 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1624                         goto out;
1625                 issue_hard_reset = 1;
1626                 goto out;
1627         }
1628
1629         retval = mptscsih_taskmgmt_reply(ioc, type,
1630             (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1631
1632         dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1633             "TaskMgmt completed (%d seconds)\n",
1634             ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1635
1636  out:
1637
1638         CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1639         if (issue_hard_reset) {
1640                 printk(MYIOC_s_WARN_FMT
1641                        "Issuing Reset from %s!! doorbell=0x%08x\n",
1642                        ioc->name, __func__, mpt_GetIocState(ioc, 0));
1643                 retval = (ioc->bus_type == SAS) ?
1644                         mpt_HardResetHandler(ioc, CAN_SLEEP) :
1645                         mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1646                 mpt_free_msg_frame(ioc, mf);
1647         }
1648
1649         retval = (retval == 0) ? 0 : FAILED;
1650         mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1651         return retval;
1652 }
1653 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1654
1655 static int
1656 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1657 {
1658         switch (ioc->bus_type) {
1659         case FC:
1660                 return 40;
1661         case SAS:
1662                 return 30;
1663         case SPI:
1664         default:
1665                 return 10;
1666         }
1667 }
1668
1669 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1670 /**
1671  *      mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1672  *      @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1673  *
1674  *      (linux scsi_host_template.eh_abort_handler routine)
1675  *
1676  *      Returns SUCCESS or FAILED.
1677  **/
1678 int
1679 mptscsih_abort(struct scsi_cmnd * SCpnt)
1680 {
1681         MPT_SCSI_HOST   *hd;
1682         MPT_FRAME_HDR   *mf;
1683         u32              ctx2abort;
1684         int              scpnt_idx;
1685         int              retval;
1686         VirtDevice       *vdevice;
1687         MPT_ADAPTER     *ioc;
1688
1689         /* If we can't locate our host adapter structure, return FAILED status.
1690          */
1691         if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1692                 SCpnt->result = DID_RESET << 16;
1693                 SCpnt->scsi_done(SCpnt);
1694                 printk(KERN_ERR MYNAM ": task abort: "
1695                     "can't locate host! (sc=%p)\n", SCpnt);
1696                 return FAILED;
1697         }
1698
1699         ioc = hd->ioc;
1700         printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1701                ioc->name, SCpnt);
1702         scsi_print_command(SCpnt);
1703
1704         vdevice = SCpnt->device->hostdata;
1705         if (!vdevice || !vdevice->vtarget) {
1706                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1707                     "task abort: device has been deleted (sc=%p)\n",
1708                     ioc->name, SCpnt));
1709                 SCpnt->result = DID_NO_CONNECT << 16;
1710                 SCpnt->scsi_done(SCpnt);
1711                 retval = SUCCESS;
1712                 goto out;
1713         }
1714
1715         /* Task aborts are not supported for hidden raid components.
1716          */
1717         if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1718                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1719                     "task abort: hidden raid component (sc=%p)\n",
1720                     ioc->name, SCpnt));
1721                 SCpnt->result = DID_RESET << 16;
1722                 retval = FAILED;
1723                 goto out;
1724         }
1725
1726         /* Task aborts are not supported for volumes.
1727          */
1728         if (vdevice->vtarget->raidVolume) {
1729                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1730                     "task abort: raid volume (sc=%p)\n",
1731                     ioc->name, SCpnt));
1732                 SCpnt->result = DID_RESET << 16;
1733                 retval = FAILED;
1734                 goto out;
1735         }
1736
1737         /* Find this command
1738          */
1739         if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1740                 /* Cmd not found in ScsiLookup.
1741                  * Do OS callback.
1742                  */
1743                 SCpnt->result = DID_RESET << 16;
1744                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1745                    "Command not in the active list! (sc=%p)\n", ioc->name,
1746                    SCpnt));
1747                 retval = SUCCESS;
1748                 goto out;
1749         }
1750
1751         if (ioc->timeouts < -1)
1752                 ioc->timeouts++;
1753
1754         if (mpt_fwfault_debug)
1755                 mpt_halt_firmware(ioc);
1756
1757         /* Most important!  Set TaskMsgContext to SCpnt's MsgContext!
1758          * (the IO to be ABORT'd)
1759          *
1760          * NOTE: Since we do not byteswap MsgContext, we do not
1761          *       swap it here either.  It is an opaque cookie to
1762          *       the controller, so it does not matter. -DaveM
1763          */
1764         mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1765         ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1766         retval = mptscsih_IssueTaskMgmt(hd,
1767                          MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1768                          vdevice->vtarget->channel,
1769                          vdevice->vtarget->id, vdevice->lun,
1770                          ctx2abort, mptscsih_get_tm_timeout(ioc));
1771
1772         if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
1773                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1774                     "task abort: command still in active list! (sc=%p)\n",
1775                     ioc->name, SCpnt));
1776                 retval = FAILED;
1777         } else {
1778                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1779                     "task abort: command cleared from active list! (sc=%p)\n",
1780                     ioc->name, SCpnt));
1781                 retval = SUCCESS;
1782         }
1783
1784  out:
1785         printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
1786             ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1787             SCpnt);
1788
1789         return retval;
1790 }
1791
1792 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1793 /**
1794  *      mptscsih_dev_reset - Perform a SCSI TARGET_RESET!  new_eh variant
1795  *      @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1796  *
1797  *      (linux scsi_host_template.eh_dev_reset_handler routine)
1798  *
1799  *      Returns SUCCESS or FAILED.
1800  **/
1801 int
1802 mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1803 {
1804         MPT_SCSI_HOST   *hd;
1805         int              retval;
1806         VirtDevice       *vdevice;
1807         MPT_ADAPTER     *ioc;
1808
1809         /* If we can't locate our host adapter structure, return FAILED status.
1810          */
1811         if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1812                 printk(KERN_ERR MYNAM ": target reset: "
1813                    "Can't locate host! (sc=%p)\n", SCpnt);
1814                 return FAILED;
1815         }
1816
1817         ioc = hd->ioc;
1818         printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1819                ioc->name, SCpnt);
1820         scsi_print_command(SCpnt);
1821
1822         vdevice = SCpnt->device->hostdata;
1823         if (!vdevice || !vdevice->vtarget) {
1824                 retval = 0;
1825                 goto out;
1826         }
1827
1828         /* Target reset to hidden raid component is not supported
1829          */
1830         if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1831                 retval = FAILED;
1832                 goto out;
1833         }
1834
1835         retval = mptscsih_IssueTaskMgmt(hd,
1836                                 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1837                                 vdevice->vtarget->channel,
1838                                 vdevice->vtarget->id, 0, 0,
1839                                 mptscsih_get_tm_timeout(ioc));
1840
1841  out:
1842         printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1843             ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1844
1845         if (retval == 0)
1846                 return SUCCESS;
1847         else
1848                 return FAILED;
1849 }
1850
1851
1852 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1853 /**
1854  *      mptscsih_bus_reset - Perform a SCSI BUS_RESET!  new_eh variant
1855  *      @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1856  *
1857  *      (linux scsi_host_template.eh_bus_reset_handler routine)
1858  *
1859  *      Returns SUCCESS or FAILED.
1860  **/
1861 int
1862 mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1863 {
1864         MPT_SCSI_HOST   *hd;
1865         int              retval;
1866         VirtDevice       *vdevice;
1867         MPT_ADAPTER     *ioc;
1868
1869         /* If we can't locate our host adapter structure, return FAILED status.
1870          */
1871         if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1872                 printk(KERN_ERR MYNAM ": bus reset: "
1873                    "Can't locate host! (sc=%p)\n", SCpnt);
1874                 return FAILED;
1875         }
1876
1877         ioc = hd->ioc;
1878         printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1879                ioc->name, SCpnt);
1880         scsi_print_command(SCpnt);
1881
1882         if (ioc->timeouts < -1)
1883                 ioc->timeouts++;
1884
1885         vdevice = SCpnt->device->hostdata;
1886         if (!vdevice || !vdevice->vtarget)
1887                 return SUCCESS;
1888         retval = mptscsih_IssueTaskMgmt(hd,
1889                                         MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1890                                         vdevice->vtarget->channel, 0, 0, 0,
1891                                         mptscsih_get_tm_timeout(ioc));
1892
1893         printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1894             ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1895
1896         if (retval == 0)
1897                 return SUCCESS;
1898         else
1899                 return FAILED;
1900 }
1901
1902 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1903 /**
1904  *      mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1905  *      @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1906  *
1907  *      (linux scsi_host_template.eh_host_reset_handler routine)
1908  *
1909  *      Returns SUCCESS or FAILED.
1910  */
1911 int
1912 mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1913 {
1914         MPT_SCSI_HOST *  hd;
1915         int              status = SUCCESS;
1916         MPT_ADAPTER     *ioc;
1917         int             retval;
1918
1919         /*  If we can't locate the host to reset, then we failed. */
1920         if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1921                 printk(KERN_ERR MYNAM ": host reset: "
1922                     "Can't locate host! (sc=%p)\n", SCpnt);
1923                 return FAILED;
1924         }
1925
1926         /* make sure we have no outstanding commands at this stage */
1927         mptscsih_flush_running_cmds(hd);
1928
1929         ioc = hd->ioc;
1930         printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1931             ioc->name, SCpnt);
1932
1933         /*  If our attempts to reset the host failed, then return a failed
1934          *  status.  The host will be taken off line by the SCSI mid-layer.
1935          */
1936         retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1937         if (retval < 0)
1938                 status = FAILED;
1939         else
1940                 status = SUCCESS;
1941
1942         printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1943             ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1944
1945         return status;
1946 }
1947
1948 static int
1949 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
1950         SCSITaskMgmtReply_t *pScsiTmReply)
1951 {
1952         u16                      iocstatus;
1953         u32                      termination_count;
1954         int                      retval;
1955
1956         if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
1957                 retval = FAILED;
1958                 goto out;
1959         }
1960
1961         DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
1962
1963         iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
1964         termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
1965
1966         dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1967             "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
1968             "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
1969             "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
1970             pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
1971             le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
1972             termination_count));
1973
1974         if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
1975             pScsiTmReply->ResponseCode)
1976                 mptscsih_taskmgmt_response_code(ioc,
1977                     pScsiTmReply->ResponseCode);
1978
1979         if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
1980                 retval = 0;
1981                 goto out;
1982         }
1983
1984         retval = FAILED;
1985         if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
1986                 if (termination_count == 1)
1987                         retval = 0;
1988                 goto out;
1989         }
1990
1991         if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
1992            iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
1993                 retval = 0;
1994
1995  out:
1996         return retval;
1997 }
1998
1999 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2000 void
2001 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2002 {
2003         char *desc;
2004
2005         switch (response_code) {
2006         case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2007                 desc = "The task completed.";
2008                 break;
2009         case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2010                 desc = "The IOC received an invalid frame status.";
2011                 break;
2012         case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2013                 desc = "The task type is not supported.";
2014                 break;
2015         case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2016                 desc = "The requested task failed.";
2017                 break;
2018         case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2019                 desc = "The task completed successfully.";
2020                 break;
2021         case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2022                 desc = "The LUN request is invalid.";
2023                 break;
2024         case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2025                 desc = "The task is in the IOC queue and has not been sent to target.";
2026                 break;
2027         default:
2028                 desc = "unknown";
2029                 break;
2030         }
2031         printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2032                 ioc->name, response_code, desc);
2033 }
2034 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2035
2036 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2037 /**
2038  *      mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2039  *      @ioc: Pointer to MPT_ADAPTER structure
2040  *      @mf: Pointer to SCSI task mgmt request frame
2041  *      @mr: Pointer to SCSI task mgmt reply frame
2042  *
2043  *      This routine is called from mptbase.c::mpt_interrupt() at the completion
2044  *      of any SCSI task management request.
2045  *      This routine is registered with the MPT (base) driver at driver
2046  *      load/init time via the mpt_register() API call.
2047  *
2048  *      Returns 1 indicating alloc'd request frame ptr should be freed.
2049  **/
2050 int
2051 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2052         MPT_FRAME_HDR *mr)
2053 {
2054         dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2055                 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2056
2057         ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2058
2059         if (!mr)
2060                 goto out;
2061
2062         ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2063         memcpy(ioc->taskmgmt_cmds.reply, mr,
2064             min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2065  out:
2066         if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2067                 mpt_clear_taskmgmt_in_progress_flag(ioc);
2068                 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2069                 complete(&ioc->taskmgmt_cmds.done);
2070                 if (ioc->bus_type == SAS)
2071                         ioc->schedule_target_reset(ioc);
2072                 return 1;
2073         }
2074         return 0;
2075 }
2076
2077 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2078 /*
2079  *      This is anyones guess quite frankly.
2080  */
2081 int
2082 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2083                 sector_t capacity, int geom[])
2084 {
2085         int             heads;
2086         int             sectors;
2087         sector_t        cylinders;
2088         ulong           dummy;
2089
2090         heads = 64;
2091         sectors = 32;
2092
2093         dummy = heads * sectors;
2094         cylinders = capacity;
2095         sector_div(cylinders,dummy);
2096
2097         /*
2098          * Handle extended translation size for logical drives
2099          * > 1Gb
2100          */
2101         if ((ulong)capacity >= 0x200000) {
2102                 heads = 255;
2103                 sectors = 63;
2104                 dummy = heads * sectors;
2105                 cylinders = capacity;
2106                 sector_div(cylinders,dummy);
2107         }
2108
2109         /* return result */
2110         geom[0] = heads;
2111         geom[1] = sectors;
2112         geom[2] = cylinders;
2113
2114         return 0;
2115 }
2116
2117 /* Search IOC page 3 to determine if this is hidden physical disk
2118  *
2119  */
2120 int
2121 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2122 {
2123         struct inactive_raid_component_info *component_info;
2124         int i, j;
2125         RaidPhysDiskPage1_t *phys_disk;
2126         int rc = 0;
2127         int num_paths;
2128
2129         if (!ioc->raid_data.pIocPg3)
2130                 goto out;
2131         for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2132                 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2133                     (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2134                         rc = 1;
2135                         goto out;
2136                 }
2137         }
2138
2139         if (ioc->bus_type != SAS)
2140                 goto out;
2141
2142         /*
2143          * Check if dual path
2144          */
2145         for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2146                 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2147                     ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2148                 if (num_paths < 2)
2149                         continue;
2150                 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2151                    (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2152                 if (!phys_disk)
2153                         continue;
2154                 if ((mpt_raid_phys_disk_pg1(ioc,
2155                     ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2156                     phys_disk))) {
2157                         kfree(phys_disk);
2158                         continue;
2159                 }
2160                 for (j = 0; j < num_paths; j++) {
2161                         if ((phys_disk->Path[j].Flags &
2162                             MPI_RAID_PHYSDISK1_FLAG_INVALID))
2163                                 continue;
2164                         if ((phys_disk->Path[j].Flags &
2165                             MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2166                                 continue;
2167                         if ((id == phys_disk->Path[j].PhysDiskID) &&
2168                             (channel == phys_disk->Path[j].PhysDiskBus)) {
2169                                 rc = 1;
2170                                 kfree(phys_disk);
2171                                 goto out;
2172                         }
2173                 }
2174                 kfree(phys_disk);
2175         }
2176
2177
2178         /*
2179          * Check inactive list for matching phys disks
2180          */
2181         if (list_empty(&ioc->raid_data.inactive_list))
2182                 goto out;
2183
2184         mutex_lock(&ioc->raid_data.inactive_list_mutex);
2185         list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2186             list) {
2187                 if ((component_info->d.PhysDiskID == id) &&
2188                     (component_info->d.PhysDiskBus == channel))
2189                         rc = 1;
2190         }
2191         mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2192
2193  out:
2194         return rc;
2195 }
2196 EXPORT_SYMBOL(mptscsih_is_phys_disk);
2197
2198 u8
2199 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2200 {
2201         struct inactive_raid_component_info *component_info;
2202         int i, j;
2203         RaidPhysDiskPage1_t *phys_disk;
2204         int rc = -ENXIO;
2205         int num_paths;
2206
2207         if (!ioc->raid_data.pIocPg3)
2208                 goto out;
2209         for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2210                 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2211                     (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2212                         rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2213                         goto out;
2214                 }
2215         }
2216
2217         if (ioc->bus_type != SAS)
2218                 goto out;
2219
2220         /*
2221          * Check if dual path
2222          */
2223         for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2224                 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2225                     ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2226                 if (num_paths < 2)
2227                         continue;
2228                 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2229                    (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2230                 if (!phys_disk)
2231                         continue;
2232                 if ((mpt_raid_phys_disk_pg1(ioc,
2233                     ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2234                     phys_disk))) {
2235                         kfree(phys_disk);
2236                         continue;
2237                 }
2238                 for (j = 0; j < num_paths; j++) {
2239                         if ((phys_disk->Path[j].Flags &
2240                             MPI_RAID_PHYSDISK1_FLAG_INVALID))
2241                                 continue;
2242                         if ((phys_disk->Path[j].Flags &
2243                             MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2244                                 continue;
2245                         if ((id == phys_disk->Path[j].PhysDiskID) &&
2246                             (channel == phys_disk->Path[j].PhysDiskBus)) {
2247                                 rc = phys_disk->PhysDiskNum;
2248                                 kfree(phys_disk);
2249                                 goto out;
2250                         }
2251                 }
2252                 kfree(phys_disk);
2253         }
2254
2255         /*
2256          * Check inactive list for matching phys disks
2257          */
2258         if (list_empty(&ioc->raid_data.inactive_list))
2259                 goto out;
2260
2261         mutex_lock(&ioc->raid_data.inactive_list_mutex);
2262         list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2263             list) {
2264                 if ((component_info->d.PhysDiskID == id) &&
2265                     (component_info->d.PhysDiskBus == channel))
2266                         rc = component_info->d.PhysDiskNum;
2267         }
2268         mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2269
2270  out:
2271         return rc;
2272 }
2273 EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2274
2275 /*
2276  *      OS entry point to allow for host driver to free allocated memory
2277  *      Called if no device present or device being unloaded
2278  */
2279 void
2280 mptscsih_slave_destroy(struct scsi_device *sdev)
2281 {
2282         struct Scsi_Host        *host = sdev->host;
2283         MPT_SCSI_HOST           *hd = shost_priv(host);
2284         VirtTarget              *vtarget;
2285         VirtDevice              *vdevice;
2286         struct scsi_target      *starget;
2287
2288         starget = scsi_target(sdev);
2289         vtarget = starget->hostdata;
2290         vdevice = sdev->hostdata;
2291         if (!vdevice)
2292                 return;
2293
2294         mptscsih_search_running_cmds(hd, vdevice);
2295         vtarget->num_luns--;
2296         mptscsih_synchronize_cache(hd, vdevice);
2297         kfree(vdevice);
2298         sdev->hostdata = NULL;
2299 }
2300
2301 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2302 /*
2303  *      mptscsih_change_queue_depth - This function will set a devices queue depth
2304  *      @sdev: per scsi_device pointer
2305  *      @qdepth: requested queue depth
2306  *
2307  *      Adding support for new 'change_queue_depth' api.
2308 */
2309 int
2310 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
2311 {
2312         MPT_SCSI_HOST           *hd = shost_priv(sdev->host);
2313         VirtTarget              *vtarget;
2314         struct scsi_target      *starget;
2315         int                     max_depth;
2316         MPT_ADAPTER             *ioc = hd->ioc;
2317
2318         starget = scsi_target(sdev);
2319         vtarget = starget->hostdata;
2320
2321         if (ioc->bus_type == SPI) {
2322                 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2323                         max_depth = 1;
2324                 else if (sdev->type == TYPE_DISK &&
2325                          vtarget->minSyncFactor <= MPT_ULTRA160)
2326                         max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2327                 else
2328                         max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2329         } else
2330                  max_depth = ioc->sh->can_queue;
2331
2332         if (!sdev->tagged_supported)
2333                 max_depth = 1;
2334
2335         if (qdepth > max_depth)
2336                 qdepth = max_depth;
2337
2338         return scsi_change_queue_depth(sdev, qdepth);
2339 }
2340
2341 /*
2342  *      OS entry point to adjust the queue_depths on a per-device basis.
2343  *      Called once per device the bus scan. Use it to force the queue_depth
2344  *      member to 1 if a device does not support Q tags.
2345  *      Return non-zero if fails.
2346  */
2347 int
2348 mptscsih_slave_configure(struct scsi_device *sdev)
2349 {
2350         struct Scsi_Host        *sh = sdev->host;
2351         VirtTarget              *vtarget;
2352         VirtDevice              *vdevice;
2353         struct scsi_target      *starget;
2354         MPT_SCSI_HOST           *hd = shost_priv(sh);
2355         MPT_ADAPTER             *ioc = hd->ioc;
2356
2357         starget = scsi_target(sdev);
2358         vtarget = starget->hostdata;
2359         vdevice = sdev->hostdata;
2360
2361         dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2362                 "device @ %p, channel=%d, id=%d, lun=%llu\n",
2363                 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2364         if (ioc->bus_type == SPI)
2365                 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2366                     "sdtr %d wdtr %d ppr %d inq length=%d\n",
2367                     ioc->name, sdev->sdtr, sdev->wdtr,
2368                     sdev->ppr, sdev->inquiry_len));
2369
2370         vdevice->configured_lun = 1;
2371
2372         dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2373                 "Queue depth=%d, tflags=%x\n",
2374                 ioc->name, sdev->queue_depth, vtarget->tflags));
2375
2376         if (ioc->bus_type == SPI)
2377                 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2378                     "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2379                     ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2380                     vtarget->minSyncFactor));
2381
2382         mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
2383         dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2384                 "tagged %d, simple %d\n",
2385                 ioc->name,sdev->tagged_supported, sdev->simple_tags));
2386
2387         blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2388
2389         return 0;
2390 }
2391
2392 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2393 /*
2394  *  Private routines...
2395  */
2396
2397 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2398 /* Utility function to copy sense data from the scsi_cmnd buffer
2399  * to the FC and SCSI target structures.
2400  *
2401  */
2402 static void
2403 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2404 {
2405         VirtDevice      *vdevice;
2406         SCSIIORequest_t *pReq;
2407         u32              sense_count = le32_to_cpu(pScsiReply->SenseCount);
2408         MPT_ADAPTER     *ioc = hd->ioc;
2409
2410         /* Get target structure
2411          */
2412         pReq = (SCSIIORequest_t *) mf;
2413         vdevice = sc->device->hostdata;
2414
2415         if (sense_count) {
2416                 u8 *sense_data;
2417                 int req_index;
2418
2419                 /* Copy the sense received into the scsi command block. */
2420                 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2421                 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2422                 memcpy(sc->sense_buffer, sense_data, MPT_SENSE_BUFFER_ALLOC);
2423
2424                 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2425                  */
2426                 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2427                         if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2428                                 int idx;
2429
2430                                 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2431                                 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2432                                 ioc->events[idx].eventContext = ioc->eventContext;
2433
2434                                 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2435                                         (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2436                                         (sc->device->channel << 8) | sc->device->id;
2437
2438                                 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2439
2440                                 ioc->eventContext++;
2441                                 if (ioc->pcidev->vendor ==
2442                                     PCI_VENDOR_ID_IBM) {
2443                                         mptscsih_issue_sep_command(ioc,
2444                                             vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2445                                         vdevice->vtarget->tflags |=
2446                                             MPT_TARGET_FLAGS_LED_ON;
2447                                 }
2448                         }
2449                 }
2450         } else {
2451                 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2452                                 ioc->name));
2453         }
2454 }
2455
2456 /**
2457  * mptscsih_get_scsi_lookup - retrieves scmd entry
2458  * @ioc: Pointer to MPT_ADAPTER structure
2459  * @i: index into the array
2460  *
2461  * Returns the scsi_cmd pointer
2462  */
2463 struct scsi_cmnd *
2464 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2465 {
2466         unsigned long   flags;
2467         struct scsi_cmnd *scmd;
2468
2469         spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2470         scmd = ioc->ScsiLookup[i];
2471         spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2472
2473         return scmd;
2474 }
2475 EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2476
2477 /**
2478  * mptscsih_getclear_scsi_lookup -  retrieves and clears scmd entry from ScsiLookup[] array list
2479  * @ioc: Pointer to MPT_ADAPTER structure
2480  * @i: index into the array
2481  *
2482  * Returns the scsi_cmd pointer
2483  *
2484  **/
2485 static struct scsi_cmnd *
2486 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2487 {
2488         unsigned long   flags;
2489         struct scsi_cmnd *scmd;
2490
2491         spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2492         scmd = ioc->ScsiLookup[i];
2493         ioc->ScsiLookup[i] = NULL;
2494         spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2495
2496         return scmd;
2497 }
2498
2499 /**
2500  * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
2501  *
2502  * @ioc: Pointer to MPT_ADAPTER structure
2503  * @i: index into the array
2504  * @scmd: scsi_cmnd pointer
2505  *
2506  **/
2507 static void
2508 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2509 {
2510         unsigned long   flags;
2511
2512         spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2513         ioc->ScsiLookup[i] = scmd;
2514         spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2515 }
2516
2517 /**
2518  * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2519  * @ioc: Pointer to MPT_ADAPTER structure
2520  * @sc: scsi_cmnd pointer
2521  */
2522 static int
2523 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2524 {
2525         unsigned long   flags;
2526         int i, index=-1;
2527
2528         spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2529         for (i = 0; i < ioc->req_depth; i++) {
2530                 if (ioc->ScsiLookup[i] == sc) {
2531                         index = i;
2532                         goto out;
2533                 }
2534         }
2535
2536  out:
2537         spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2538         return index;
2539 }
2540
2541 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2542 int
2543 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2544 {
2545         MPT_SCSI_HOST   *hd;
2546
2547         if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2548                 return 0;
2549
2550         hd = shost_priv(ioc->sh);
2551         switch (reset_phase) {
2552         case MPT_IOC_SETUP_RESET:
2553                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2554                     "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2555                 break;
2556         case MPT_IOC_PRE_RESET:
2557                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2558                     "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2559                 mptscsih_flush_running_cmds(hd);
2560                 break;
2561         case MPT_IOC_POST_RESET:
2562                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2563                     "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2564                 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2565                         ioc->internal_cmds.status |=
2566                                 MPT_MGMT_STATUS_DID_IOCRESET;
2567                         complete(&ioc->internal_cmds.done);
2568                 }
2569                 break;
2570         default:
2571                 break;
2572         }
2573         return 1;               /* currently means nothing really */
2574 }
2575
2576 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2577 int
2578 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2579 {
2580         u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2581
2582         devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2583                 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2584                 ioc->name, event));
2585
2586         if ((event == MPI_EVENT_IOC_BUS_RESET ||
2587             event == MPI_EVENT_EXT_BUS_RESET) &&
2588             (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2589                         ioc->soft_resets++;
2590
2591         return 1;               /* currently means nothing really */
2592 }
2593
2594 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2595 /*
2596  *  Bus Scan and Domain Validation functionality ...
2597  */
2598
2599 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2600 /*
2601  *      mptscsih_scandv_complete - Scan and DV callback routine registered
2602  *      to Fustion MPT (base) driver.
2603  *
2604  *      @ioc: Pointer to MPT_ADAPTER structure
2605  *      @mf: Pointer to original MPT request frame
2606  *      @mr: Pointer to MPT reply frame (NULL if TurboReply)
2607  *
2608  *      This routine is called from mpt.c::mpt_interrupt() at the completion
2609  *      of any SCSI IO request.
2610  *      This routine is registered with the Fusion MPT (base) driver at driver
2611  *      load/init time via the mpt_register() API call.
2612  *
2613  *      Returns 1 indicating alloc'd request frame ptr should be freed.
2614  *
2615  *      Remark: Sets a completion code and (possibly) saves sense data
2616  *      in the IOC member localReply structure.
2617  *      Used ONLY for DV and other internal commands.
2618  */
2619 int
2620 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2621                                 MPT_FRAME_HDR *reply)
2622 {
2623         SCSIIORequest_t *pReq;
2624         SCSIIOReply_t   *pReply;
2625         u8               cmd;
2626         u16              req_idx;
2627         u8      *sense_data;
2628         int              sz;
2629
2630         ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2631         ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2632         if (!reply)
2633                 goto out;
2634
2635         pReply = (SCSIIOReply_t *) reply;
2636         pReq = (SCSIIORequest_t *) req;
2637         ioc->internal_cmds.completion_code =
2638             mptscsih_get_completion_code(ioc, req, reply);
2639         ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2640         memcpy(ioc->internal_cmds.reply, reply,
2641             min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2642         cmd = reply->u.hdr.Function;
2643         if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2644             (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2645             (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2646                 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2647                 sense_data = ((u8 *)ioc->sense_buf_pool +
2648                     (req_idx * MPT_SENSE_BUFFER_ALLOC));
2649                 sz = min_t(int, pReq->SenseBufferLength,
2650                     MPT_SENSE_BUFFER_ALLOC);
2651                 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2652         }
2653  out:
2654         if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2655                 return 0;
2656         ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2657         complete(&ioc->internal_cmds.done);
2658         return 1;
2659 }
2660
2661
2662 /**
2663  *      mptscsih_get_completion_code - get completion code from MPT request
2664  *      @ioc: Pointer to MPT_ADAPTER structure
2665  *      @req: Pointer to original MPT request frame
2666  *      @reply: Pointer to MPT reply frame (NULL if TurboReply)
2667  *
2668  **/
2669 static int
2670 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2671                                 MPT_FRAME_HDR *reply)
2672 {
2673         SCSIIOReply_t   *pReply;
2674         MpiRaidActionReply_t *pr;
2675         u8               scsi_status;
2676         u16              status;
2677         int              completion_code;
2678
2679         pReply = (SCSIIOReply_t *)reply;
2680         status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2681         scsi_status = pReply->SCSIStatus;
2682
2683         devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2684             "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2685             "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2686             scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2687
2688         switch (status) {
2689
2690         case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:       /* 0x0043 */
2691                 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2692                 break;
2693
2694         case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:          /* 0x0046 */
2695         case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:        /* 0x0048 */
2696         case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:         /* 0x004B */
2697         case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:         /* 0x004C */
2698                 completion_code = MPT_SCANDV_DID_RESET;
2699                 break;
2700
2701         case MPI_IOCSTATUS_BUSY:
2702         case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2703                 completion_code = MPT_SCANDV_BUSY;
2704                 break;
2705
2706         case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:          /* 0x0045 */
2707         case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR:        /* 0x0040 */
2708         case MPI_IOCSTATUS_SUCCESS:                     /* 0x0000 */
2709                 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2710                         completion_code = MPT_SCANDV_GOOD;
2711                 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2712                         pr = (MpiRaidActionReply_t *)reply;
2713                         if (le16_to_cpu(pr->ActionStatus) ==
2714                                 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2715                                 completion_code = MPT_SCANDV_GOOD;
2716                         else
2717                                 completion_code = MPT_SCANDV_SOME_ERROR;
2718                 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2719                         completion_code = MPT_SCANDV_SENSE;
2720                 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2721                         if (req->u.scsireq.CDB[0] == INQUIRY)
2722                                 completion_code = MPT_SCANDV_ISSUE_SENSE;
2723                         else
2724                                 completion_code = MPT_SCANDV_DID_RESET;
2725                 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2726                         completion_code = MPT_SCANDV_DID_RESET;
2727                 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2728                         completion_code = MPT_SCANDV_DID_RESET;
2729                 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2730                         completion_code = MPT_SCANDV_BUSY;
2731                 else
2732                         completion_code = MPT_SCANDV_GOOD;
2733                 break;
2734
2735         case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:         /* 0x0047 */
2736                 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2737                         completion_code = MPT_SCANDV_DID_RESET;
2738                 else
2739                         completion_code = MPT_SCANDV_SOME_ERROR;
2740                 break;
2741         default:
2742                 completion_code = MPT_SCANDV_SOME_ERROR;
2743                 break;
2744
2745         }       /* switch(status) */
2746
2747         devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2748             "  completionCode set to %08xh\n", ioc->name, completion_code));
2749         return completion_code;
2750 }
2751
2752 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2753 /**
2754  *      mptscsih_do_cmd - Do internal command.
2755  *      @hd: MPT_SCSI_HOST pointer
2756  *      @io: INTERNAL_CMD pointer.
2757  *
2758  *      Issue the specified internally generated command and do command
2759  *      specific cleanup. For bus scan / DV only.
2760  *      NOTES: If command is Inquiry and status is good,
2761  *      initialize a target structure, save the data
2762  *
2763  *      Remark: Single threaded access only.
2764  *
2765  *      Return:
2766  *              < 0 if an illegal command or no resources
2767  *
2768  *                 0 if good
2769  *
2770  *               > 0 if command complete but some type of completion error.
2771  */
2772 static int
2773 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2774 {
2775         MPT_FRAME_HDR   *mf;
2776         SCSIIORequest_t *pScsiReq;
2777         int              my_idx, ii, dir;
2778         int              timeout;
2779         char             cmdLen;
2780         char             CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2781         u8               cmd = io->cmd;
2782         MPT_ADAPTER *ioc = hd->ioc;
2783         int              ret = 0;
2784         unsigned long    timeleft;
2785         unsigned long    flags;
2786
2787         /* don't send internal command during diag reset */
2788         spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2789         if (ioc->ioc_reset_in_progress) {
2790                 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2791                 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2792                         "%s: busy with host reset\n", ioc->name, __func__));
2793                 return MPT_SCANDV_BUSY;
2794         }
2795         spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2796
2797         mutex_lock(&ioc->internal_cmds.mutex);
2798
2799         /* Set command specific information
2800          */
2801         switch (cmd) {
2802         case INQUIRY:
2803                 cmdLen = 6;
2804                 dir = MPI_SCSIIO_CONTROL_READ;
2805                 CDB[0] = cmd;
2806                 CDB[4] = io->size;
2807                 timeout = 10;
2808                 break;
2809
2810         case TEST_UNIT_READY:
2811                 cmdLen = 6;
2812                 dir = MPI_SCSIIO_CONTROL_READ;
2813                 timeout = 10;
2814                 break;
2815
2816         case START_STOP:
2817                 cmdLen = 6;
2818                 dir = MPI_SCSIIO_CONTROL_READ;
2819                 CDB[0] = cmd;
2820                 CDB[4] = 1;     /*Spin up the disk */
2821                 timeout = 15;
2822                 break;
2823
2824         case REQUEST_SENSE:
2825                 cmdLen = 6;
2826                 CDB[0] = cmd;
2827                 CDB[4] = io->size;
2828                 dir = MPI_SCSIIO_CONTROL_READ;
2829                 timeout = 10;
2830                 break;
2831
2832         case READ_BUFFER:
2833                 cmdLen = 10;
2834                 dir = MPI_SCSIIO_CONTROL_READ;
2835                 CDB[0] = cmd;
2836                 if (io->flags & MPT_ICFLAG_ECHO) {
2837                         CDB[1] = 0x0A;
2838                 } else {
2839                         CDB[1] = 0x02;
2840                 }
2841
2842                 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2843                         CDB[1] |= 0x01;
2844                 }
2845                 CDB[6] = (io->size >> 16) & 0xFF;
2846                 CDB[7] = (io->size >>  8) & 0xFF;
2847                 CDB[8] = io->size & 0xFF;
2848                 timeout = 10;
2849                 break;
2850
2851         case WRITE_BUFFER:
2852                 cmdLen = 10;
2853                 dir = MPI_SCSIIO_CONTROL_WRITE;
2854                 CDB[0] = cmd;
2855                 if (io->flags & MPT_ICFLAG_ECHO) {
2856                         CDB[1] = 0x0A;
2857                 } else {
2858                         CDB[1] = 0x02;
2859                 }
2860                 CDB[6] = (io->size >> 16) & 0xFF;
2861                 CDB[7] = (io->size >>  8) & 0xFF;
2862                 CDB[8] = io->size & 0xFF;
2863                 timeout = 10;
2864                 break;
2865
2866         case RESERVE:
2867                 cmdLen = 6;
2868                 dir = MPI_SCSIIO_CONTROL_READ;
2869                 CDB[0] = cmd;
2870                 timeout = 10;
2871                 break;
2872
2873         case RELEASE:
2874                 cmdLen = 6;
2875                 dir = MPI_SCSIIO_CONTROL_READ;
2876                 CDB[0] = cmd;
2877                 timeout = 10;
2878                 break;
2879
2880         case SYNCHRONIZE_CACHE:
2881                 cmdLen = 10;
2882                 dir = MPI_SCSIIO_CONTROL_READ;
2883                 CDB[0] = cmd;
2884 //              CDB[1] = 0x02;  /* set immediate bit */
2885                 timeout = 10;
2886                 break;
2887
2888         default:
2889                 /* Error Case */
2890                 ret = -EFAULT;
2891                 goto out;
2892         }
2893
2894         /* Get and Populate a free Frame
2895          * MsgContext set in mpt_get_msg_frame call
2896          */
2897         if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
2898                 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2899                     ioc->name, __func__));
2900                 ret = MPT_SCANDV_BUSY;
2901                 goto out;
2902         }
2903
2904         pScsiReq = (SCSIIORequest_t *) mf;
2905
2906         /* Get the request index */
2907         my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2908         ADD_INDEX_LOG(my_idx); /* for debug */
2909
2910         if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2911                 pScsiReq->TargetID = io->physDiskNum;
2912                 pScsiReq->Bus = 0;
2913                 pScsiReq->ChainOffset = 0;
2914                 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2915         } else {
2916                 pScsiReq->TargetID = io->id;
2917                 pScsiReq->Bus = io->channel;
2918                 pScsiReq->ChainOffset = 0;
2919                 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2920         }
2921
2922         pScsiReq->CDBLength = cmdLen;
2923         pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2924
2925         pScsiReq->Reserved = 0;
2926
2927         pScsiReq->MsgFlags = mpt_msg_flags(ioc);
2928         /* MsgContext set in mpt_get_msg_fram call  */
2929
2930         int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
2931
2932         if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2933                 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
2934         else
2935                 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2936
2937         if (cmd == REQUEST_SENSE) {
2938                 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2939                 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2940                     "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
2941         }
2942
2943         for (ii = 0; ii < 16; ii++)
2944                 pScsiReq->CDB[ii] = CDB[ii];
2945
2946         pScsiReq->DataLength = cpu_to_le32(io->size);
2947         pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
2948                                            + (my_idx * MPT_SENSE_BUFFER_ALLOC));
2949
2950         devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2951             "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n",
2952             ioc->name, __func__, cmd, io->channel, io->id, io->lun));
2953
2954         if (dir == MPI_SCSIIO_CONTROL_READ)
2955                 ioc->add_sge((char *) &pScsiReq->SGL,
2956                     MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
2957         else
2958                 ioc->add_sge((char *) &pScsiReq->SGL,
2959                     MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
2960
2961         INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
2962         mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
2963         timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
2964             timeout*HZ);
2965         if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2966                 ret = MPT_SCANDV_DID_RESET;
2967                 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2968                     "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
2969                     cmd));
2970                 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
2971                         mpt_free_msg_frame(ioc, mf);
2972                         goto out;
2973                 }
2974                 if (!timeleft) {
2975                         printk(MYIOC_s_WARN_FMT
2976                                "Issuing Reset from %s!! doorbell=0x%08xh"
2977                                " cmd=0x%02x\n",
2978                                ioc->name, __func__, mpt_GetIocState(ioc, 0),
2979                                cmd);
2980                         mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2981                         mpt_free_msg_frame(ioc, mf);
2982                 }
2983                 goto out;
2984         }
2985
2986         ret = ioc->internal_cmds.completion_code;
2987         devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
2988                         ioc->name, __func__, ret));
2989
2990  out:
2991         CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
2992         mutex_unlock(&ioc->internal_cmds.mutex);
2993         return ret;
2994 }
2995
2996 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2997 /**
2998  *      mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
2999  *      @hd: Pointer to a SCSI HOST structure
3000  *      @vdevice: virtual target device
3001  *
3002  *      Uses the ISR, but with special processing.
3003  *      MUST be single-threaded.
3004  *
3005  */
3006 static void
3007 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3008 {
3009         INTERNAL_CMD             iocmd;
3010
3011         /* Ignore hidden raid components, this is handled when the command
3012          * is sent to the volume
3013          */
3014         if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3015                 return;
3016
3017         if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3018             !vdevice->configured_lun)
3019                 return;
3020
3021         /* Following parameters will not change
3022          * in this routine.
3023          */
3024         iocmd.cmd = SYNCHRONIZE_CACHE;
3025         iocmd.flags = 0;
3026         iocmd.physDiskNum = -1;
3027         iocmd.data = NULL;
3028         iocmd.data_dma = -1;
3029         iocmd.size = 0;
3030         iocmd.rsvd = iocmd.rsvd2 = 0;
3031         iocmd.channel = vdevice->vtarget->channel;
3032         iocmd.id = vdevice->vtarget->id;
3033         iocmd.lun = vdevice->lun;
3034
3035         mptscsih_do_cmd(hd, &iocmd);
3036 }
3037
3038 static ssize_t
3039 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3040                          char *buf)
3041 {
3042         struct Scsi_Host *host = class_to_shost(dev);
3043         MPT_SCSI_HOST   *hd = shost_priv(host);
3044         MPT_ADAPTER *ioc = hd->ioc;
3045
3046         return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3047             (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3048             (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3049             (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3050             ioc->facts.FWVersion.Word & 0x000000FF);
3051 }
3052 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3053
3054 static ssize_t
3055 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3056                            char *buf)
3057 {
3058         struct Scsi_Host *host = class_to_shost(dev);
3059         MPT_SCSI_HOST   *hd = shost_priv(host);
3060         MPT_ADAPTER *ioc = hd->ioc;
3061
3062         return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3063             (ioc->biosVersion & 0xFF000000) >> 24,
3064             (ioc->biosVersion & 0x00FF0000) >> 16,
3065             (ioc->biosVersion & 0x0000FF00) >> 8,
3066             ioc->biosVersion & 0x000000FF);
3067 }
3068 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3069
3070 static ssize_t
3071 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3072                           char *buf)
3073 {
3074         struct Scsi_Host *host = class_to_shost(dev);
3075         MPT_SCSI_HOST   *hd = shost_priv(host);
3076         MPT_ADAPTER *ioc = hd->ioc;
3077
3078         return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3079 }
3080 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3081
3082 static ssize_t
3083 mptscsih_version_product_show(struct device *dev,
3084                               struct device_attribute *attr,
3085 char *buf)
3086 {
3087         struct Scsi_Host *host = class_to_shost(dev);
3088         MPT_SCSI_HOST   *hd = shost_priv(host);
3089         MPT_ADAPTER *ioc = hd->ioc;
3090
3091         return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3092 }
3093 static DEVICE_ATTR(version_product, S_IRUGO,
3094     mptscsih_version_product_show, NULL);
3095
3096 static ssize_t
3097 mptscsih_version_nvdata_persistent_show(struct device *dev,
3098                                         struct device_attribute *attr,
3099                                         char *buf)
3100 {
3101         struct Scsi_Host *host = class_to_shost(dev);
3102         MPT_SCSI_HOST   *hd = shost_priv(host);
3103         MPT_ADAPTER *ioc = hd->ioc;
3104
3105         return snprintf(buf, PAGE_SIZE, "%02xh\n",
3106             ioc->nvdata_version_persistent);
3107 }
3108 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3109     mptscsih_version_nvdata_persistent_show, NULL);
3110
3111 static ssize_t
3112 mptscsih_version_nvdata_default_show(struct device *dev,
3113                                      struct device_attribute *attr, char *buf)
3114 {
3115         struct Scsi_Host *host = class_to_shost(dev);
3116         MPT_SCSI_HOST   *hd = shost_priv(host);
3117         MPT_ADAPTER *ioc = hd->ioc;
3118
3119         return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3120 }
3121 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3122     mptscsih_version_nvdata_default_show, NULL);
3123
3124 static ssize_t
3125 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3126                          char *buf)
3127 {
3128         struct Scsi_Host *host = class_to_shost(dev);
3129         MPT_SCSI_HOST   *hd = shost_priv(host);
3130         MPT_ADAPTER *ioc = hd->ioc;
3131
3132         return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3133 }
3134 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3135
3136 static ssize_t
3137 mptscsih_board_assembly_show(struct device *dev,
3138                              struct device_attribute *attr, char *buf)
3139 {
3140         struct Scsi_Host *host = class_to_shost(dev);
3141         MPT_SCSI_HOST   *hd = shost_priv(host);
3142         MPT_ADAPTER *ioc = hd->ioc;
3143
3144         return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3145 }
3146 static DEVICE_ATTR(board_assembly, S_IRUGO,
3147     mptscsih_board_assembly_show, NULL);
3148
3149 static ssize_t
3150 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3151                            char *buf)
3152 {
3153         struct Scsi_Host *host = class_to_shost(dev);
3154         MPT_SCSI_HOST   *hd = shost_priv(host);
3155         MPT_ADAPTER *ioc = hd->ioc;
3156
3157         return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3158 }
3159 static DEVICE_ATTR(board_tracer, S_IRUGO,
3160     mptscsih_board_tracer_show, NULL);
3161
3162 static ssize_t
3163 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3164                        char *buf)
3165 {
3166         struct Scsi_Host *host = class_to_shost(dev);
3167         MPT_SCSI_HOST   *hd = shost_priv(host);
3168         MPT_ADAPTER *ioc = hd->ioc;
3169
3170         return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3171 }
3172 static DEVICE_ATTR(io_delay, S_IRUGO,
3173     mptscsih_io_delay_show, NULL);
3174
3175 static ssize_t
3176 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3177                            char *buf)
3178 {
3179         struct Scsi_Host *host = class_to_shost(dev);
3180         MPT_SCSI_HOST   *hd = shost_priv(host);
3181         MPT_ADAPTER *ioc = hd->ioc;
3182
3183         return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3184 }
3185 static DEVICE_ATTR(device_delay, S_IRUGO,
3186     mptscsih_device_delay_show, NULL);
3187
3188 static ssize_t
3189 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3190                           char *buf)
3191 {
3192         struct Scsi_Host *host = class_to_shost(dev);
3193         MPT_SCSI_HOST   *hd = shost_priv(host);
3194         MPT_ADAPTER *ioc = hd->ioc;
3195
3196         return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3197 }
3198 static ssize_t
3199 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3200                            const char *buf, size_t count)
3201 {
3202         struct Scsi_Host *host = class_to_shost(dev);
3203         MPT_SCSI_HOST   *hd = shost_priv(host);
3204         MPT_ADAPTER *ioc = hd->ioc;
3205         int val = 0;
3206
3207         if (sscanf(buf, "%x", &val) != 1)
3208                 return -EINVAL;
3209
3210         ioc->debug_level = val;
3211         printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3212                                 ioc->name, ioc->debug_level);
3213         return strlen(buf);
3214 }
3215 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3216         mptscsih_debug_level_show, mptscsih_debug_level_store);
3217
3218 struct device_attribute *mptscsih_host_attrs[] = {
3219         &dev_attr_version_fw,
3220         &dev_attr_version_bios,
3221         &dev_attr_version_mpi,
3222         &dev_attr_version_product,
3223         &dev_attr_version_nvdata_persistent,
3224         &dev_attr_version_nvdata_default,
3225         &dev_attr_board_name,
3226         &dev_attr_board_assembly,
3227         &dev_attr_board_tracer,
3228         &dev_attr_io_delay,
3229         &dev_attr_device_delay,
3230         &dev_attr_debug_level,
3231         NULL,
3232 };
3233
3234 EXPORT_SYMBOL(mptscsih_host_attrs);
3235
3236 EXPORT_SYMBOL(mptscsih_remove);
3237 EXPORT_SYMBOL(mptscsih_shutdown);
3238 #ifdef CONFIG_PM
3239 EXPORT_SYMBOL(mptscsih_suspend);
3240 EXPORT_SYMBOL(mptscsih_resume);
3241 #endif
3242 EXPORT_SYMBOL(mptscsih_show_info);
3243 EXPORT_SYMBOL(mptscsih_info);
3244 EXPORT_SYMBOL(mptscsih_qcmd);
3245 EXPORT_SYMBOL(mptscsih_slave_destroy);
3246 EXPORT_SYMBOL(mptscsih_slave_configure);
3247 EXPORT_SYMBOL(mptscsih_abort);
3248 EXPORT_SYMBOL(mptscsih_dev_reset);
3249 EXPORT_SYMBOL(mptscsih_bus_reset);
3250 EXPORT_SYMBOL(mptscsih_host_reset);
3251 EXPORT_SYMBOL(mptscsih_bios_param);
3252 EXPORT_SYMBOL(mptscsih_io_done);
3253 EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3254 EXPORT_SYMBOL(mptscsih_scandv_complete);
3255 EXPORT_SYMBOL(mptscsih_event_process);
3256 EXPORT_SYMBOL(mptscsih_ioc_reset);
3257 EXPORT_SYMBOL(mptscsih_change_queue_depth);
3258
3259 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/