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.
6 * Copyright (c) 1999-2008 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
10 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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.
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.
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.
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
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
45 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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>
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>
68 #include "lsi/mpi_log_sas.h"
70 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
71 #define my_NAME "Fusion MPT SCSI Host driver"
72 #define my_VERSION MPT_LINUX_VERSION_COMMON
73 #define MYNAM "mptscsih"
75 MODULE_AUTHOR(MODULEAUTHOR);
76 MODULE_DESCRIPTION(my_NAME);
77 MODULE_LICENSE("GPL");
78 MODULE_VERSION(my_VERSION);
80 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
82 * Other private/forward protos...
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);
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);
97 int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
98 u64 lun, int ctx2abort, ulong timeout);
100 int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
101 int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
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);
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 *);
117 int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
118 int mptscsih_resume(struct pci_dev *pdev);
122 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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)
129 * return SUCCESS or FAILED
132 mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
134 MPT_FRAME_HDR *chainBuf;
139 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
141 spin_lock_irqsave(&ioc->FreeQlock, flags);
142 if (!list_empty(&ioc->FreeChainQ)) {
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;
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));
156 chain_idx = MPT_HOST_NO_CHAIN;
157 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
160 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
162 *retIndex = chain_idx;
164 } /* mptscsih_getFreeChainBuffer() */
166 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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
177 mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
178 SCSIIORequest_t *pReq, int req_idx)
182 struct scatterlist *sg;
184 int sges_left, sg_done;
185 int chain_idx = MPT_HOST_NO_CHAIN;
187 int numSgeSlots, numSgeThisFrame;
188 u32 sgflags, sgdir, thisxfer = 0;
189 int chain_dma_off = 0;
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;
199 sgdir = MPT_TRANSFER_IOC_TO_HOST;
202 psge = (char *) &pReq->SGL;
203 frm_sz = ioc->req_sz;
205 /* Map the data portion, if any.
206 * sges_left = 0 if no data transfer.
208 sges_left = scsi_dma_map(SCpnt);
212 /* Handle the SG case.
214 sg = scsi_sglist(SCpnt);
216 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
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)
226 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
227 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
229 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
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
235 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
236 thisxfer = sg_dma_len(sg);
238 /* Get next SG element from the OS */
244 v2 = sg_dma_address(sg);
245 ioc->add_sge(psge, sgflags | thisxfer, v2);
247 /* Get next SG element from the OS */
249 psge += ioc->SGE_size;
250 sgeOffset += ioc->SGE_size;
254 if (numSgeThisFrame == sges_left) {
255 /* Add last element, end of buffer and end of list flags.
257 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
258 MPT_SGE_FLAGS_END_OF_BUFFER |
259 MPT_SGE_FLAGS_END_OF_LIST;
261 /* Add last SGE and set termination flags.
262 * Note: Last SGE may have a length of 0 - which should be ok.
264 thisxfer = sg_dma_len(sg);
266 v2 = sg_dma_address(sg);
267 ioc->add_sge(psge, sgflags | thisxfer, v2);
268 sgeOffset += ioc->SGE_size;
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.
277 ioc->add_chain((char *)chainSge, 0, sgeOffset,
278 ioc->ChainBufferDMA + chain_dma_off);
280 /* The current buffer is the original MF
281 * and there is no Chain buffer.
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;
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
301 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
302 ioc->name, sg_done));
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
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);
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.
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);
329 /* The original MF buffer requires a chain buffer -
331 * Last element in this MF is a chain element.
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;
339 sges_left -= sg_done;
342 /* NOTE: psge points to the beginning of the chain element
343 * in current buffer. Get a chain buffer.
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));
352 /* Update the tracking arrays.
353 * If chainSge == NULL, update ReqToChain, else ChainToChain
356 ioc->ChainToChain[chain_idx] = newIndex;
358 ioc->ReqToChain[req_idx] = newIndex;
360 chain_idx = newIndex;
361 chain_dma_off = ioc->req_sz * chain_idx;
363 /* Populate the chainSGE for the current buffer.
364 * - Set chain buffer pointer to psge and fill
365 * out the Address and Flags fields.
367 chainSge = (char *) psge;
368 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
369 ioc->name, psge, req_idx));
371 /* Start the SGE for the next buffer
373 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
377 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
378 ioc->name, psge, chain_idx));
380 /* Start the SGE for the next buffer
387 } /* mptscsih_AddSGE() */
390 mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
394 SEPRequest_t *SEPMsg;
396 if (ioc->bus_type != SAS)
399 /* Not supported for hidden raid components
401 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
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__));
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);
422 #ifdef CONFIG_FUSION_LOGGING
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
429 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
431 * Refer to lsi/mpi.h.
434 mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
441 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
443 switch (ioc_status) {
445 case MPI_IOCSTATUS_SUCCESS:
448 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
449 desc = "invalid bus";
451 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
452 desc = "invalid target_id";
454 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
455 desc = "device not there";
457 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
458 desc = "data overrun";
460 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
461 desc = "data underrun";
463 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
464 desc = "I/O data error";
466 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
467 desc = "protocol error";
469 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
470 desc = "task terminated";
472 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
473 desc = "residual mismatch";
475 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
476 desc = "task management failed";
478 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
479 desc = "IOC terminated";
481 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
482 desc = "ext terminated";
489 switch (pScsiReply->SCSIStatus)
492 case MPI_SCSI_STATUS_SUCCESS:
495 case MPI_SCSI_STATUS_CHECK_CONDITION:
496 desc1 = "check condition";
498 case MPI_SCSI_STATUS_CONDITION_MET:
499 desc1 = "condition met";
501 case MPI_SCSI_STATUS_BUSY:
504 case MPI_SCSI_STATUS_INTERMEDIATE:
505 desc1 = "intermediate";
507 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
508 desc1 = "intermediate condmet";
510 case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
511 desc1 = "reservation conflict";
513 case MPI_SCSI_STATUS_COMMAND_TERMINATED:
514 desc1 = "command terminated";
516 case MPI_SCSI_STATUS_TASK_SET_FULL:
517 desc1 = "task set full";
519 case MPI_SCSI_STATUS_ACA_ACTIVE:
520 desc1 = "aca active";
522 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
523 desc1 = "fcpext device logged out";
525 case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
526 desc1 = "fcpext no link";
528 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
529 desc1 = "fcpext unassigned";
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,
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);
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);
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];
556 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
557 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
561 * Look for + dump FCP ResponseInfo[]!
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));
570 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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)
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.
583 * Returns 1 indicating alloc'd request frame ptr should be freed.
586 mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
588 struct scsi_cmnd *sc;
590 SCSIIORequest_t *pScsiReq;
591 SCSIIOReply_t *pScsiReply;
592 u16 req_idx, req_idx_MR;
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;
601 /* Special case, where already freed message frame is received from
602 * Firmware. It happens with Resetting IOC.
603 * Return immediately. Do not care
605 if ((req_idx != req_idx_MR) ||
606 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
609 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
611 MPIHeader_t *hdr = (MPIHeader_t *)mf;
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.
617 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
618 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
621 mptscsih_freeChainBuffers(ioc, req_idx);
625 if ((unsigned char *)mf != sc->host_scribble) {
626 mptscsih_freeChainBuffers(ioc, req_idx);
630 if (ioc->bus_type == SAS) {
631 VirtDevice *vdevice = sc->device->hostdata;
633 if (!vdevice || !vdevice->vtarget ||
634 vdevice->vtarget->deleted) {
635 sc->result = DID_NO_CONNECT << 16;
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;
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));
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));
655 if (pScsiReply == NULL) {
656 /* special context reply handling */
661 u8 scsi_state, scsi_status;
664 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
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);
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
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;
685 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
686 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
689 * Look for + dump FCP ResponseInfo[]!
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));
701 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
702 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
704 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
705 * But not: DID_BUS_BUSY lest one risk
706 * killing interrupt handler:-(
708 sc->result = SAM_STAT_BUSY;
711 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
712 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
713 sc->result = DID_BAD_TARGET << 16;
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 */
722 sc->result = DID_REQUEUE << 16;
724 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
725 hd->sel_timeout[pScsiReq->TargetID]++;
727 vdevice = sc->device->hostdata;
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;
738 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
739 if ( ioc->bus_type == SAS ) {
741 le16_to_cpu(pScsiReply->IOCStatus);
743 MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
745 ((log_info & SAS_LOGINFO_MASK) ==
746 SAS_LOGINFO_NEXUS_LOSS)) {
747 VirtDevice *vdevice =
748 sc->device->hostdata;
750 /* flag the device as being in
751 * device removal delay so we can
752 * notify the midlayer to hold off
754 if (vdevice && vdevice->
759 "Skipping Raid Volume"
767 (DID_TRANSPORT_DISRUPTED
771 } else if (ioc->bus_type == FC) {
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
780 sc->result = DID_ERROR << 16;
785 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
788 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
789 /* Linux handles an unsolicited DID_RESET better
790 * than an unsolicited DID_ABORT.
792 sc->result = DID_RESET << 16;
795 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
796 if (ioc->bus_type == FC)
797 sc->result = DID_ERROR << 16;
799 sc->result = DID_RESET << 16;
802 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
803 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
804 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
805 sc->result=DID_SOFT_ERROR << 16;
806 else /* Sufficient data transfer occurred */
807 sc->result = (DID_OK << 16) | scsi_status;
808 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
809 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
810 ioc->name, sc->result, sc->device->channel, sc->device->id));
813 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
815 * Do upfront check for valid SenseData and give it
818 sc->result = (DID_OK << 16) | scsi_status;
819 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
822 * For an Errata on LSI53C1030
823 * When the length of request data
824 * and transfer data are different
825 * with result of command (READ or VERIFY),
826 * DID_SOFT_ERROR is set.
828 if (ioc->bus_type == SPI) {
829 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
830 pScsiReq->CDB[0] == READ_10 ||
831 pScsiReq->CDB[0] == READ_12 ||
832 (pScsiReq->CDB[0] == READ_16 &&
833 ((pScsiReq->CDB[1] & 0x02) == 0)) ||
834 pScsiReq->CDB[0] == VERIFY ||
835 pScsiReq->CDB[0] == VERIFY_16) {
836 if (scsi_bufflen(sc) !=
839 DID_SOFT_ERROR << 16;
840 printk(KERN_WARNING "Errata"
841 "on LSI53C1030 occurred."
842 "sc->req_bufflen=0x%02x,"
850 if (xfer_cnt < sc->underflow) {
851 if (scsi_status == SAM_STAT_BUSY)
852 sc->result = SAM_STAT_BUSY;
854 sc->result = DID_SOFT_ERROR << 16;
856 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
859 sc->result = DID_SOFT_ERROR << 16;
861 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
862 /* Not real sure here either... */
863 sc->result = DID_RESET << 16;
868 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
869 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
870 ioc->name, sc->underflow));
871 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
872 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
876 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
877 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
881 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
882 scsi_set_resid(sc, 0);
883 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
884 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
885 sc->result = (DID_OK << 16) | scsi_status;
886 if (scsi_state == 0) {
888 } else if (scsi_state &
889 MPI_SCSI_STATE_AUTOSENSE_VALID) {
892 * For potential trouble on LSI53C1030.
894 * It is checked whether the length of
895 * request data is equal to
896 * the length of transfer and residual.
897 * MEDIUM_ERROR is set by incorrect data.
899 if ((ioc->bus_type == SPI) &&
900 (sc->sense_buffer[2] & 0x20)) {
903 sc->sense_buffer[3] << 24 |
904 sc->sense_buffer[4] << 16 |
905 sc->sense_buffer[5] << 8 |
907 if (((sc->sense_buffer[3] & 0x80) ==
908 0x80) && (scsi_bufflen(sc)
910 sc->sense_buffer[2] =
912 sc->sense_buffer[12] = 0xff;
913 sc->sense_buffer[13] = 0xff;
914 printk(KERN_WARNING"Errata"
915 "on LSI53C1030 occurred."
916 "sc->req_bufflen=0x%02x,"
917 "xfer_cnt=0x%02x\n" ,
921 if (((sc->sense_buffer[3] & 0x80)
924 xfer_cnt + difftransfer)) {
925 sc->sense_buffer[2] =
927 sc->sense_buffer[12] = 0xff;
928 sc->sense_buffer[13] = 0xff;
930 "Errata on LSI53C1030 occurred"
931 "sc->req_bufflen=0x%02x,"
933 "difftransfer=0x%02x\n",
941 * If running against circa 200003dd 909 MPT f/w,
942 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
943 * (QUEUE_FULL) returned from device! --> get 0x0000?128
944 * and with SenseBytes set to 0.
946 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
947 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
950 else if (scsi_state &
951 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
956 sc->result = DID_SOFT_ERROR << 16;
958 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
959 /* Not real sure here either... */
960 sc->result = DID_RESET << 16;
962 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
963 /* Device Inq. data indicates that it supports
964 * QTags, but rejects QTag messages.
965 * This command completed OK.
967 * Not real sure here either so do nothing... */
970 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
971 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
974 * Reservation Conflict, Busy,
975 * Command Terminated, CHECK
979 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
980 sc->result = DID_SOFT_ERROR << 16;
983 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
984 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
985 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
986 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
987 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
988 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
989 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
990 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
995 sc->result = DID_SOFT_ERROR << 16;
998 } /* switch(status) */
1000 #ifdef CONFIG_FUSION_LOGGING
1001 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
1002 mptscsih_info_scsiio(ioc, sc, pScsiReply);
1005 } /* end of address reply case */
1007 /* Unmap the DMA buffers, if any. */
1010 sc->scsi_done(sc); /* Issue the command callback */
1012 /* Free Chain buffers */
1013 mptscsih_freeChainBuffers(ioc, req_idx);
1018 * mptscsih_flush_running_cmds - For each command found, search
1019 * Scsi_Host instance taskQ and reply to OS.
1020 * Called only if recovering from a FW reload.
1021 * @hd: Pointer to a SCSI HOST structure
1025 * Must be called while new I/Os are being queued.
1028 mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1030 MPT_ADAPTER *ioc = hd->ioc;
1031 struct scsi_cmnd *sc;
1032 SCSIIORequest_t *mf = NULL;
1036 for (ii= 0; ii < ioc->req_depth; ii++) {
1037 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1040 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1045 mptscsih_freeChainBuffers(ioc, ii);
1046 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1047 if ((unsigned char *)mf != sc->host_scribble)
1050 sc->result = DID_RESET << 16;
1051 sc->host_scribble = NULL;
1052 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1053 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1054 "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
1058 EXPORT_SYMBOL(mptscsih_flush_running_cmds);
1061 * mptscsih_search_running_cmds - Delete any commands associated
1062 * with the specified target and lun. Function called only
1063 * when a lun is disable by mid-layer.
1064 * Do NOT access the referenced scsi_cmnd structure or
1065 * members. Will cause either a paging or NULL ptr error.
1066 * (BUT, BUT, BUT, the code does reference it! - mdr)
1067 * @hd: Pointer to a SCSI HOST structure
1068 * @vdevice: per device private data
1072 * Called from slave_destroy.
1075 mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1077 SCSIIORequest_t *mf = NULL;
1079 struct scsi_cmnd *sc;
1080 struct scsi_lun lun;
1081 MPT_ADAPTER *ioc = hd->ioc;
1082 unsigned long flags;
1084 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1085 for (ii = 0; ii < ioc->req_depth; ii++) {
1086 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
1088 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1091 /* If the device is a hidden raid component, then its
1092 * expected that the mf->function will be RAID_SCSI_IO
1094 if (vdevice->vtarget->tflags &
1095 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1096 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1099 int_to_scsilun(vdevice->lun, &lun);
1100 if ((mf->Bus != vdevice->vtarget->channel) ||
1101 (mf->TargetID != vdevice->vtarget->id) ||
1102 memcmp(lun.scsi_lun, mf->LUN, 8))
1105 if ((unsigned char *)mf != sc->host_scribble)
1107 ioc->ScsiLookup[ii] = NULL;
1108 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1109 mptscsih_freeChainBuffers(ioc, ii);
1110 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1112 sc->host_scribble = NULL;
1113 sc->result = DID_NO_CONNECT << 16;
1114 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1115 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1116 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1117 vdevice->vtarget->channel, vdevice->vtarget->id,
1120 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1123 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1127 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1129 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1131 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
1132 * from a SCSI target device.
1133 * @sc: Pointer to scsi_cmnd structure
1134 * @pScsiReply: Pointer to SCSIIOReply_t
1135 * @pScsiReq: Pointer to original SCSI request
1137 * This routine periodically reports QUEUE_FULL status returned from a
1138 * SCSI target device. It reports this to the console via kernel
1139 * printk() API call, not more than once every 10 seconds.
1142 mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1144 long time = jiffies;
1148 if (sc->device == NULL)
1150 if (sc->device->host == NULL)
1152 if ((hd = shost_priv(sc->device->host)) == NULL)
1155 if (time - hd->last_queue_full > 10 * HZ) {
1156 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%llu) reported QUEUE_FULL!\n",
1157 ioc->name, 0, sc->device->id, sc->device->lun));
1158 hd->last_queue_full = time;
1162 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1164 * mptscsih_remove - Removed scsi devices
1165 * @pdev: Pointer to pci_dev structure
1170 mptscsih_remove(struct pci_dev *pdev)
1172 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1173 struct Scsi_Host *host = ioc->sh;
1180 hd = shost_priv(host);
1182 mptscsih_shutdown(pdev);
1186 if (ioc->ScsiLookup != NULL) {
1187 sz1 = ioc->req_depth * sizeof(void *);
1188 kfree(ioc->ScsiLookup);
1189 ioc->ScsiLookup = NULL;
1192 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1193 "Free'd ScsiLookup (%d) memory\n",
1197 kfree(hd->info_kbuf);
1199 /* NULL the Scsi_Host pointer
1204 scsi_host_put(host);
1209 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1211 * mptscsih_shutdown - reboot notifier
1215 mptscsih_shutdown(struct pci_dev *pdev)
1220 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1222 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1227 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1229 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1231 scsi_block_requests(ioc->sh);
1232 flush_scheduled_work();
1233 mptscsih_shutdown(pdev);
1234 return mpt_suspend(pdev,state);
1237 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1239 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1244 mptscsih_resume(struct pci_dev *pdev)
1246 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1249 rc = mpt_resume(pdev);
1250 scsi_unblock_requests(ioc->sh);
1256 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1258 * mptscsih_info - Return information about MPT adapter
1259 * @SChost: Pointer to Scsi_Host structure
1261 * (linux scsi_host_template.info routine)
1263 * Returns pointer to buffer where information was written.
1266 mptscsih_info(struct Scsi_Host *SChost)
1271 h = shost_priv(SChost);
1273 if (h->info_kbuf == NULL)
1274 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1275 return h->info_kbuf;
1276 h->info_kbuf[0] = '\0';
1278 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1279 h->info_kbuf[size-1] = '\0';
1281 return h->info_kbuf;
1284 int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host)
1286 MPT_SCSI_HOST *hd = shost_priv(host);
1287 MPT_ADAPTER *ioc = hd->ioc;
1289 seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name);
1290 seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1291 seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts);
1292 seq_printf(m, "MaxQ=%d\n", ioc->req_depth);
1297 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1298 #define ADD_INDEX_LOG(req_ent) do { } while(0)
1300 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1302 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1303 * @SCpnt: Pointer to scsi_cmnd structure
1305 * (linux scsi_host_template.queuecommand routine)
1306 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1307 * from a linux scsi_cmnd request and send it to the IOC.
1309 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1312 mptscsih_qcmd(struct scsi_cmnd *SCpnt)
1316 SCSIIORequest_t *pScsiReq;
1317 VirtDevice *vdevice = SCpnt->device->hostdata;
1326 hd = shost_priv(SCpnt->device->host);
1329 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p\n",
1332 if (ioc->taskmgmt_quiesce_io)
1333 return SCSI_MLQUEUE_HOST_BUSY;
1336 * Put together a MPT SCSI request...
1338 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1339 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1341 return SCSI_MLQUEUE_HOST_BUSY;
1344 pScsiReq = (SCSIIORequest_t *) mf;
1346 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1348 ADD_INDEX_LOG(my_idx);
1350 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1351 * Seems we may receive a buffer (datalen>0) even when there
1352 * will be no data transfer! GRRRRR...
1354 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1355 datalen = scsi_bufflen(SCpnt);
1356 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1357 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1358 datalen = scsi_bufflen(SCpnt);
1359 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1362 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1365 /* Default to untagged. Once a target structure has been allocated,
1366 * use the Inquiry data to determine if device supports tagged.
1368 if ((vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) &&
1369 SCpnt->device->tagged_supported)
1370 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1372 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1375 /* Use the above information to set up the message frame
1377 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1378 pScsiReq->Bus = vdevice->vtarget->channel;
1379 pScsiReq->ChainOffset = 0;
1380 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1381 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1383 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1384 pScsiReq->CDBLength = SCpnt->cmd_len;
1385 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1386 pScsiReq->Reserved = 0;
1387 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1388 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1389 pScsiReq->Control = cpu_to_le32(scsictl);
1392 * Write SCSI CDB into the message
1394 cmd_len = SCpnt->cmd_len;
1395 for (ii=0; ii < cmd_len; ii++)
1396 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1398 for (ii=cmd_len; ii < 16; ii++)
1399 pScsiReq->CDB[ii] = 0;
1402 pScsiReq->DataLength = cpu_to_le32(datalen);
1404 /* SenseBuffer low address */
1405 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1406 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1408 /* Now add the SG list
1409 * Always have a SGE even if null length.
1412 /* Add a NULL SGE */
1413 ioc->add_sge((char *)&pScsiReq->SGL,
1414 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1417 /* Add a 32 or 64 bit SGE */
1418 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1422 SCpnt->host_scribble = (unsigned char *)mf;
1423 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1425 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1426 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1427 ioc->name, SCpnt, mf, my_idx));
1428 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1432 mptscsih_freeChainBuffers(ioc, my_idx);
1433 mpt_free_msg_frame(ioc, mf);
1434 return SCSI_MLQUEUE_HOST_BUSY;
1437 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1439 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1440 * with a SCSI IO request
1441 * @hd: Pointer to the MPT_SCSI_HOST instance
1442 * @req_idx: Index of the SCSI IO request frame.
1444 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1448 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1450 MPT_FRAME_HDR *chain;
1451 unsigned long flags;
1455 /* Get the first chain index and reset
1458 chain_idx = ioc->ReqToChain[req_idx];
1459 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1461 while (chain_idx != MPT_HOST_NO_CHAIN) {
1463 /* Save the next chain buffer index */
1464 next = ioc->ChainToChain[chain_idx];
1466 /* Free this chain buffer and reset
1469 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1471 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1472 + (chain_idx * ioc->req_sz));
1474 spin_lock_irqsave(&ioc->FreeQlock, flags);
1475 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1476 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1478 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1479 ioc->name, chain_idx));
1487 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1492 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1494 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1495 * @hd: Pointer to MPT_SCSI_HOST structure
1496 * @type: Task Management type
1497 * @channel: channel number for task management
1498 * @id: Logical Target ID for reset (if appropriate)
1499 * @lun: Logical Unit for reset (if appropriate)
1500 * @ctx2abort: Context for the task to be aborted (if appropriate)
1501 * @timeout: timeout for task management control
1503 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1504 * or a non-interrupt thread. In the former, must not call schedule().
1506 * Not all fields are meaningfull for all task types.
1508 * Returns 0 for SUCCESS, or FAILED.
1512 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, u64 lun,
1513 int ctx2abort, ulong timeout)
1516 SCSITaskMgmt_t *pScsiTm;
1519 MPT_ADAPTER *ioc = hd->ioc;
1520 unsigned long timeleft;
1521 u8 issue_hard_reset;
1523 unsigned long time_count;
1525 issue_hard_reset = 0;
1526 ioc_raw_state = mpt_GetIocState(ioc, 0);
1528 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1529 printk(MYIOC_s_WARN_FMT
1530 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1531 ioc->name, type, ioc_raw_state);
1532 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1533 ioc->name, __func__);
1534 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1535 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1536 "FAILED!!\n", ioc->name);
1540 /* DOORBELL ACTIVE check is not required if
1541 * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported.
1544 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
1545 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
1546 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
1547 printk(MYIOC_s_WARN_FMT
1548 "TaskMgmt type=%x: ioc_state: "
1549 "DOORBELL_ACTIVE (0x%x)!\n",
1550 ioc->name, type, ioc_raw_state);
1554 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1555 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1561 /* Return Fail to calling function if no message frames available.
1563 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1564 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1565 "TaskMgmt no msg frames!!\n", ioc->name));
1567 mpt_clear_taskmgmt_in_progress_flag(ioc);
1570 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1573 /* Format the Request
1575 pScsiTm = (SCSITaskMgmt_t *) mf;
1576 pScsiTm->TargetID = id;
1577 pScsiTm->Bus = channel;
1578 pScsiTm->ChainOffset = 0;
1579 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1581 pScsiTm->Reserved = 0;
1582 pScsiTm->TaskType = type;
1583 pScsiTm->Reserved1 = 0;
1584 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1585 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1587 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1589 for (ii=0; ii < 7; ii++)
1590 pScsiTm->Reserved2[ii] = 0;
1592 pScsiTm->TaskMsgContext = ctx2abort;
1594 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1595 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1598 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1600 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1601 time_count = jiffies;
1602 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1603 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1604 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1606 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1607 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1609 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1610 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1611 ioc->name, mf, retval));
1612 mpt_free_msg_frame(ioc, mf);
1613 mpt_clear_taskmgmt_in_progress_flag(ioc);
1618 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1620 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1622 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1623 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1624 mpt_clear_taskmgmt_in_progress_flag(ioc);
1625 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1627 issue_hard_reset = 1;
1631 retval = mptscsih_taskmgmt_reply(ioc, type,
1632 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1634 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1635 "TaskMgmt completed (%d seconds)\n",
1636 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1640 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1641 if (issue_hard_reset) {
1642 printk(MYIOC_s_WARN_FMT
1643 "Issuing Reset from %s!! doorbell=0x%08x\n",
1644 ioc->name, __func__, mpt_GetIocState(ioc, 0));
1645 retval = (ioc->bus_type == SAS) ?
1646 mpt_HardResetHandler(ioc, CAN_SLEEP) :
1647 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1648 mpt_free_msg_frame(ioc, mf);
1651 retval = (retval == 0) ? 0 : FAILED;
1652 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1655 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1658 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1660 switch (ioc->bus_type) {
1671 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1673 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1674 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1676 * (linux scsi_host_template.eh_abort_handler routine)
1678 * Returns SUCCESS or FAILED.
1681 mptscsih_abort(struct scsi_cmnd * SCpnt)
1688 VirtDevice *vdevice;
1691 /* If we can't locate our host adapter structure, return FAILED status.
1693 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1694 SCpnt->result = DID_RESET << 16;
1695 SCpnt->scsi_done(SCpnt);
1696 printk(KERN_ERR MYNAM ": task abort: "
1697 "can't locate host! (sc=%p)\n", SCpnt);
1702 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1704 scsi_print_command(SCpnt);
1706 vdevice = SCpnt->device->hostdata;
1707 if (!vdevice || !vdevice->vtarget) {
1708 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1709 "task abort: device has been deleted (sc=%p)\n",
1711 SCpnt->result = DID_NO_CONNECT << 16;
1712 SCpnt->scsi_done(SCpnt);
1717 /* Task aborts are not supported for hidden raid components.
1719 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1720 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1721 "task abort: hidden raid component (sc=%p)\n",
1723 SCpnt->result = DID_RESET << 16;
1728 /* Task aborts are not supported for volumes.
1730 if (vdevice->vtarget->raidVolume) {
1731 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1732 "task abort: raid volume (sc=%p)\n",
1734 SCpnt->result = DID_RESET << 16;
1739 /* Find this command
1741 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1742 /* Cmd not found in ScsiLookup.
1745 SCpnt->result = DID_RESET << 16;
1746 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1747 "Command not in the active list! (sc=%p)\n", ioc->name,
1753 if (ioc->timeouts < -1)
1756 if (mpt_fwfault_debug)
1757 mpt_halt_firmware(ioc);
1759 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1760 * (the IO to be ABORT'd)
1762 * NOTE: Since we do not byteswap MsgContext, we do not
1763 * swap it here either. It is an opaque cookie to
1764 * the controller, so it does not matter. -DaveM
1766 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1767 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1768 retval = mptscsih_IssueTaskMgmt(hd,
1769 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1770 vdevice->vtarget->channel,
1771 vdevice->vtarget->id, vdevice->lun,
1772 ctx2abort, mptscsih_get_tm_timeout(ioc));
1774 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
1775 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1776 "task abort: command still in active list! (sc=%p)\n",
1780 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1781 "task abort: command cleared from active list! (sc=%p)\n",
1787 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
1788 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1794 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1796 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1797 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1799 * (linux scsi_host_template.eh_dev_reset_handler routine)
1801 * Returns SUCCESS or FAILED.
1804 mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1808 VirtDevice *vdevice;
1811 /* If we can't locate our host adapter structure, return FAILED status.
1813 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1814 printk(KERN_ERR MYNAM ": target reset: "
1815 "Can't locate host! (sc=%p)\n", SCpnt);
1820 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1822 scsi_print_command(SCpnt);
1824 vdevice = SCpnt->device->hostdata;
1825 if (!vdevice || !vdevice->vtarget) {
1830 /* Target reset to hidden raid component is not supported
1832 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1837 retval = mptscsih_IssueTaskMgmt(hd,
1838 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1839 vdevice->vtarget->channel,
1840 vdevice->vtarget->id, 0, 0,
1841 mptscsih_get_tm_timeout(ioc));
1844 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1845 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1854 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1856 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1857 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1859 * (linux scsi_host_template.eh_bus_reset_handler routine)
1861 * Returns SUCCESS or FAILED.
1864 mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1868 VirtDevice *vdevice;
1871 /* If we can't locate our host adapter structure, return FAILED status.
1873 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1874 printk(KERN_ERR MYNAM ": bus reset: "
1875 "Can't locate host! (sc=%p)\n", SCpnt);
1880 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1882 scsi_print_command(SCpnt);
1884 if (ioc->timeouts < -1)
1887 vdevice = SCpnt->device->hostdata;
1888 if (!vdevice || !vdevice->vtarget)
1890 retval = mptscsih_IssueTaskMgmt(hd,
1891 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1892 vdevice->vtarget->channel, 0, 0, 0,
1893 mptscsih_get_tm_timeout(ioc));
1895 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1896 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1904 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1906 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1907 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1909 * (linux scsi_host_template.eh_host_reset_handler routine)
1911 * Returns SUCCESS or FAILED.
1914 mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1917 int status = SUCCESS;
1921 /* If we can't locate the host to reset, then we failed. */
1922 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1923 printk(KERN_ERR MYNAM ": host reset: "
1924 "Can't locate host! (sc=%p)\n", SCpnt);
1928 /* make sure we have no outstanding commands at this stage */
1929 mptscsih_flush_running_cmds(hd);
1932 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1935 /* If our attempts to reset the host failed, then return a failed
1936 * status. The host will be taken off line by the SCSI mid-layer.
1938 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1944 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1945 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1951 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
1952 SCSITaskMgmtReply_t *pScsiTmReply)
1955 u32 termination_count;
1958 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
1963 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
1965 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
1966 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
1968 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1969 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
1970 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
1971 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
1972 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
1973 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
1974 termination_count));
1976 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
1977 pScsiTmReply->ResponseCode)
1978 mptscsih_taskmgmt_response_code(ioc,
1979 pScsiTmReply->ResponseCode);
1981 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
1987 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
1988 if (termination_count == 1)
1993 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
1994 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2001 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2003 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2007 switch (response_code) {
2008 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2009 desc = "The task completed.";
2011 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2012 desc = "The IOC received an invalid frame status.";
2014 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2015 desc = "The task type is not supported.";
2017 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2018 desc = "The requested task failed.";
2020 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2021 desc = "The task completed successfully.";
2023 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2024 desc = "The LUN request is invalid.";
2026 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2027 desc = "The task is in the IOC queue and has not been sent to target.";
2033 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2034 ioc->name, response_code, desc);
2036 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2038 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2040 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2041 * @ioc: Pointer to MPT_ADAPTER structure
2042 * @mf: Pointer to SCSI task mgmt request frame
2043 * @mr: Pointer to SCSI task mgmt reply frame
2045 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2046 * of any SCSI task management request.
2047 * This routine is registered with the MPT (base) driver at driver
2048 * load/init time via the mpt_register() API call.
2050 * Returns 1 indicating alloc'd request frame ptr should be freed.
2053 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2056 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2057 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2059 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2064 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2065 memcpy(ioc->taskmgmt_cmds.reply, mr,
2066 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2068 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2069 mpt_clear_taskmgmt_in_progress_flag(ioc);
2070 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2071 complete(&ioc->taskmgmt_cmds.done);
2072 if (ioc->bus_type == SAS)
2073 ioc->schedule_target_reset(ioc);
2079 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2081 * This is anyones guess quite frankly.
2084 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2085 sector_t capacity, int geom[])
2095 dummy = heads * sectors;
2096 cylinders = capacity;
2097 sector_div(cylinders,dummy);
2100 * Handle extended translation size for logical drives
2103 if ((ulong)capacity >= 0x200000) {
2106 dummy = heads * sectors;
2107 cylinders = capacity;
2108 sector_div(cylinders,dummy);
2114 geom[2] = cylinders;
2119 /* Search IOC page 3 to determine if this is hidden physical disk
2123 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2125 struct inactive_raid_component_info *component_info;
2127 RaidPhysDiskPage1_t *phys_disk;
2131 if (!ioc->raid_data.pIocPg3)
2133 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2134 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2135 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2141 if (ioc->bus_type != SAS)
2145 * Check if dual path
2147 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2148 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2149 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2152 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2153 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2156 if ((mpt_raid_phys_disk_pg1(ioc,
2157 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2162 for (j = 0; j < num_paths; j++) {
2163 if ((phys_disk->Path[j].Flags &
2164 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2166 if ((phys_disk->Path[j].Flags &
2167 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2169 if ((id == phys_disk->Path[j].PhysDiskID) &&
2170 (channel == phys_disk->Path[j].PhysDiskBus)) {
2181 * Check inactive list for matching phys disks
2183 if (list_empty(&ioc->raid_data.inactive_list))
2186 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2187 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2189 if ((component_info->d.PhysDiskID == id) &&
2190 (component_info->d.PhysDiskBus == channel))
2193 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2198 EXPORT_SYMBOL(mptscsih_is_phys_disk);
2201 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2203 struct inactive_raid_component_info *component_info;
2205 RaidPhysDiskPage1_t *phys_disk;
2209 if (!ioc->raid_data.pIocPg3)
2211 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2212 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2213 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2214 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2219 if (ioc->bus_type != SAS)
2223 * Check if dual path
2225 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2226 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2227 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2230 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2231 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2234 if ((mpt_raid_phys_disk_pg1(ioc,
2235 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2240 for (j = 0; j < num_paths; j++) {
2241 if ((phys_disk->Path[j].Flags &
2242 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2244 if ((phys_disk->Path[j].Flags &
2245 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2247 if ((id == phys_disk->Path[j].PhysDiskID) &&
2248 (channel == phys_disk->Path[j].PhysDiskBus)) {
2249 rc = phys_disk->PhysDiskNum;
2258 * Check inactive list for matching phys disks
2260 if (list_empty(&ioc->raid_data.inactive_list))
2263 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2264 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2266 if ((component_info->d.PhysDiskID == id) &&
2267 (component_info->d.PhysDiskBus == channel))
2268 rc = component_info->d.PhysDiskNum;
2270 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2275 EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2278 * OS entry point to allow for host driver to free allocated memory
2279 * Called if no device present or device being unloaded
2282 mptscsih_slave_destroy(struct scsi_device *sdev)
2284 struct Scsi_Host *host = sdev->host;
2285 MPT_SCSI_HOST *hd = shost_priv(host);
2286 VirtTarget *vtarget;
2287 VirtDevice *vdevice;
2288 struct scsi_target *starget;
2290 starget = scsi_target(sdev);
2291 vtarget = starget->hostdata;
2292 vdevice = sdev->hostdata;
2296 mptscsih_search_running_cmds(hd, vdevice);
2297 vtarget->num_luns--;
2298 mptscsih_synchronize_cache(hd, vdevice);
2300 sdev->hostdata = NULL;
2303 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2305 * mptscsih_change_queue_depth - This function will set a devices queue depth
2306 * @sdev: per scsi_device pointer
2307 * @qdepth: requested queue depth
2309 * Adding support for new 'change_queue_depth' api.
2312 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
2314 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2315 VirtTarget *vtarget;
2316 struct scsi_target *starget;
2318 MPT_ADAPTER *ioc = hd->ioc;
2320 starget = scsi_target(sdev);
2321 vtarget = starget->hostdata;
2323 if (ioc->bus_type == SPI) {
2324 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2326 else if (sdev->type == TYPE_DISK &&
2327 vtarget->minSyncFactor <= MPT_ULTRA160)
2328 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2330 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2332 max_depth = ioc->sh->can_queue;
2334 if (!sdev->tagged_supported)
2337 if (qdepth > max_depth)
2340 return scsi_change_queue_depth(sdev, qdepth);
2344 * OS entry point to adjust the queue_depths on a per-device basis.
2345 * Called once per device the bus scan. Use it to force the queue_depth
2346 * member to 1 if a device does not support Q tags.
2347 * Return non-zero if fails.
2350 mptscsih_slave_configure(struct scsi_device *sdev)
2352 struct Scsi_Host *sh = sdev->host;
2353 VirtTarget *vtarget;
2354 VirtDevice *vdevice;
2355 struct scsi_target *starget;
2356 MPT_SCSI_HOST *hd = shost_priv(sh);
2357 MPT_ADAPTER *ioc = hd->ioc;
2359 starget = scsi_target(sdev);
2360 vtarget = starget->hostdata;
2361 vdevice = sdev->hostdata;
2363 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2364 "device @ %p, channel=%d, id=%d, lun=%llu\n",
2365 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2366 if (ioc->bus_type == SPI)
2367 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2368 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2369 ioc->name, sdev->sdtr, sdev->wdtr,
2370 sdev->ppr, sdev->inquiry_len));
2372 vdevice->configured_lun = 1;
2374 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2375 "Queue depth=%d, tflags=%x\n",
2376 ioc->name, sdev->queue_depth, vtarget->tflags));
2378 if (ioc->bus_type == SPI)
2379 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2380 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2381 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2382 vtarget->minSyncFactor));
2384 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
2385 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2386 "tagged %d, simple %d\n",
2387 ioc->name,sdev->tagged_supported, sdev->simple_tags));
2389 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2394 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2396 * Private routines...
2399 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2400 /* Utility function to copy sense data from the scsi_cmnd buffer
2401 * to the FC and SCSI target structures.
2405 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2407 VirtDevice *vdevice;
2408 SCSIIORequest_t *pReq;
2409 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2410 MPT_ADAPTER *ioc = hd->ioc;
2412 /* Get target structure
2414 pReq = (SCSIIORequest_t *) mf;
2415 vdevice = sc->device->hostdata;
2421 /* Copy the sense received into the scsi command block. */
2422 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2423 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2424 memcpy(sc->sense_buffer, sense_data, MPT_SENSE_BUFFER_ALLOC);
2426 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2428 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2429 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2432 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2433 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2434 ioc->events[idx].eventContext = ioc->eventContext;
2436 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2437 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2438 (sc->device->channel << 8) | sc->device->id;
2440 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2442 ioc->eventContext++;
2443 if (ioc->pcidev->vendor ==
2444 PCI_VENDOR_ID_IBM) {
2445 mptscsih_issue_sep_command(ioc,
2446 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2447 vdevice->vtarget->tflags |=
2448 MPT_TARGET_FLAGS_LED_ON;
2453 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2459 * mptscsih_get_scsi_lookup - retrieves scmd entry
2460 * @ioc: Pointer to MPT_ADAPTER structure
2461 * @i: index into the array
2463 * Returns the scsi_cmd pointer
2466 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2468 unsigned long flags;
2469 struct scsi_cmnd *scmd;
2471 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2472 scmd = ioc->ScsiLookup[i];
2473 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2477 EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2480 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2481 * @ioc: Pointer to MPT_ADAPTER structure
2482 * @i: index into the array
2484 * Returns the scsi_cmd pointer
2487 static struct scsi_cmnd *
2488 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2490 unsigned long flags;
2491 struct scsi_cmnd *scmd;
2493 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2494 scmd = ioc->ScsiLookup[i];
2495 ioc->ScsiLookup[i] = NULL;
2496 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2502 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
2504 * @ioc: Pointer to MPT_ADAPTER structure
2505 * @i: index into the array
2506 * @scmd: scsi_cmnd pointer
2510 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2512 unsigned long flags;
2514 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2515 ioc->ScsiLookup[i] = scmd;
2516 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2520 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2521 * @ioc: Pointer to MPT_ADAPTER structure
2522 * @sc: scsi_cmnd pointer
2525 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2527 unsigned long flags;
2530 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2531 for (i = 0; i < ioc->req_depth; i++) {
2532 if (ioc->ScsiLookup[i] == sc) {
2539 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2543 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2545 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2549 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2552 hd = shost_priv(ioc->sh);
2553 switch (reset_phase) {
2554 case MPT_IOC_SETUP_RESET:
2555 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2556 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2558 case MPT_IOC_PRE_RESET:
2559 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2560 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2561 mptscsih_flush_running_cmds(hd);
2563 case MPT_IOC_POST_RESET:
2564 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2565 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2566 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2567 ioc->internal_cmds.status |=
2568 MPT_MGMT_STATUS_DID_IOCRESET;
2569 complete(&ioc->internal_cmds.done);
2575 return 1; /* currently means nothing really */
2578 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2580 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2582 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2584 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2585 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2588 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2589 event == MPI_EVENT_EXT_BUS_RESET) &&
2590 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2593 return 1; /* currently means nothing really */
2596 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2598 * Bus Scan and Domain Validation functionality ...
2601 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2603 * mptscsih_scandv_complete - Scan and DV callback routine registered
2604 * to Fustion MPT (base) driver.
2606 * @ioc: Pointer to MPT_ADAPTER structure
2607 * @mf: Pointer to original MPT request frame
2608 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2610 * This routine is called from mpt.c::mpt_interrupt() at the completion
2611 * of any SCSI IO request.
2612 * This routine is registered with the Fusion MPT (base) driver at driver
2613 * load/init time via the mpt_register() API call.
2615 * Returns 1 indicating alloc'd request frame ptr should be freed.
2617 * Remark: Sets a completion code and (possibly) saves sense data
2618 * in the IOC member localReply structure.
2619 * Used ONLY for DV and other internal commands.
2622 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2623 MPT_FRAME_HDR *reply)
2625 SCSIIORequest_t *pReq;
2626 SCSIIOReply_t *pReply;
2632 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2633 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2637 pReply = (SCSIIOReply_t *) reply;
2638 pReq = (SCSIIORequest_t *) req;
2639 ioc->internal_cmds.completion_code =
2640 mptscsih_get_completion_code(ioc, req, reply);
2641 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2642 memcpy(ioc->internal_cmds.reply, reply,
2643 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2644 cmd = reply->u.hdr.Function;
2645 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2646 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2647 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2648 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2649 sense_data = ((u8 *)ioc->sense_buf_pool +
2650 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2651 sz = min_t(int, pReq->SenseBufferLength,
2652 MPT_SENSE_BUFFER_ALLOC);
2653 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2656 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2658 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2659 complete(&ioc->internal_cmds.done);
2665 * mptscsih_get_completion_code - get completion code from MPT request
2666 * @ioc: Pointer to MPT_ADAPTER structure
2667 * @req: Pointer to original MPT request frame
2668 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
2672 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2673 MPT_FRAME_HDR *reply)
2675 SCSIIOReply_t *pReply;
2676 MpiRaidActionReply_t *pr;
2679 int completion_code;
2681 pReply = (SCSIIOReply_t *)reply;
2682 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2683 scsi_status = pReply->SCSIStatus;
2685 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2686 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2687 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2688 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2692 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2693 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2696 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2697 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2698 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2699 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2700 completion_code = MPT_SCANDV_DID_RESET;
2703 case MPI_IOCSTATUS_BUSY:
2704 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2705 completion_code = MPT_SCANDV_BUSY;
2708 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2709 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2710 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2711 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2712 completion_code = MPT_SCANDV_GOOD;
2713 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2714 pr = (MpiRaidActionReply_t *)reply;
2715 if (le16_to_cpu(pr->ActionStatus) ==
2716 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2717 completion_code = MPT_SCANDV_GOOD;
2719 completion_code = MPT_SCANDV_SOME_ERROR;
2720 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2721 completion_code = MPT_SCANDV_SENSE;
2722 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2723 if (req->u.scsireq.CDB[0] == INQUIRY)
2724 completion_code = MPT_SCANDV_ISSUE_SENSE;
2726 completion_code = MPT_SCANDV_DID_RESET;
2727 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2728 completion_code = MPT_SCANDV_DID_RESET;
2729 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2730 completion_code = MPT_SCANDV_DID_RESET;
2731 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2732 completion_code = MPT_SCANDV_BUSY;
2734 completion_code = MPT_SCANDV_GOOD;
2737 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2738 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2739 completion_code = MPT_SCANDV_DID_RESET;
2741 completion_code = MPT_SCANDV_SOME_ERROR;
2744 completion_code = MPT_SCANDV_SOME_ERROR;
2747 } /* switch(status) */
2749 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2750 " completionCode set to %08xh\n", ioc->name, completion_code));
2751 return completion_code;
2754 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2756 * mptscsih_do_cmd - Do internal command.
2757 * @hd: MPT_SCSI_HOST pointer
2758 * @io: INTERNAL_CMD pointer.
2760 * Issue the specified internally generated command and do command
2761 * specific cleanup. For bus scan / DV only.
2762 * NOTES: If command is Inquiry and status is good,
2763 * initialize a target structure, save the data
2765 * Remark: Single threaded access only.
2768 * < 0 if an illegal command or no resources
2772 * > 0 if command complete but some type of completion error.
2775 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2778 SCSIIORequest_t *pScsiReq;
2779 int my_idx, ii, dir;
2782 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2784 MPT_ADAPTER *ioc = hd->ioc;
2786 unsigned long timeleft;
2787 unsigned long flags;
2789 /* don't send internal command during diag reset */
2790 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2791 if (ioc->ioc_reset_in_progress) {
2792 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2793 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2794 "%s: busy with host reset\n", ioc->name, __func__));
2795 return MPT_SCANDV_BUSY;
2797 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2799 mutex_lock(&ioc->internal_cmds.mutex);
2801 /* Set command specific information
2806 dir = MPI_SCSIIO_CONTROL_READ;
2812 case TEST_UNIT_READY:
2814 dir = MPI_SCSIIO_CONTROL_READ;
2820 dir = MPI_SCSIIO_CONTROL_READ;
2822 CDB[4] = 1; /*Spin up the disk */
2830 dir = MPI_SCSIIO_CONTROL_READ;
2836 dir = MPI_SCSIIO_CONTROL_READ;
2838 if (io->flags & MPT_ICFLAG_ECHO) {
2844 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2847 CDB[6] = (io->size >> 16) & 0xFF;
2848 CDB[7] = (io->size >> 8) & 0xFF;
2849 CDB[8] = io->size & 0xFF;
2855 dir = MPI_SCSIIO_CONTROL_WRITE;
2857 if (io->flags & MPT_ICFLAG_ECHO) {
2862 CDB[6] = (io->size >> 16) & 0xFF;
2863 CDB[7] = (io->size >> 8) & 0xFF;
2864 CDB[8] = io->size & 0xFF;
2870 dir = MPI_SCSIIO_CONTROL_READ;
2877 dir = MPI_SCSIIO_CONTROL_READ;
2882 case SYNCHRONIZE_CACHE:
2884 dir = MPI_SCSIIO_CONTROL_READ;
2886 // CDB[1] = 0x02; /* set immediate bit */
2896 /* Get and Populate a free Frame
2897 * MsgContext set in mpt_get_msg_frame call
2899 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
2900 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2901 ioc->name, __func__));
2902 ret = MPT_SCANDV_BUSY;
2906 pScsiReq = (SCSIIORequest_t *) mf;
2908 /* Get the request index */
2909 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2910 ADD_INDEX_LOG(my_idx); /* for debug */
2912 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2913 pScsiReq->TargetID = io->physDiskNum;
2915 pScsiReq->ChainOffset = 0;
2916 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2918 pScsiReq->TargetID = io->id;
2919 pScsiReq->Bus = io->channel;
2920 pScsiReq->ChainOffset = 0;
2921 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2924 pScsiReq->CDBLength = cmdLen;
2925 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2927 pScsiReq->Reserved = 0;
2929 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
2930 /* MsgContext set in mpt_get_msg_fram call */
2932 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
2934 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2935 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
2937 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2939 if (cmd == REQUEST_SENSE) {
2940 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2941 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2942 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
2945 for (ii = 0; ii < 16; ii++)
2946 pScsiReq->CDB[ii] = CDB[ii];
2948 pScsiReq->DataLength = cpu_to_le32(io->size);
2949 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
2950 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
2952 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2953 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n",
2954 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
2956 if (dir == MPI_SCSIIO_CONTROL_READ)
2957 ioc->add_sge((char *) &pScsiReq->SGL,
2958 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
2960 ioc->add_sge((char *) &pScsiReq->SGL,
2961 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
2963 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
2964 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
2965 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
2967 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2968 ret = MPT_SCANDV_DID_RESET;
2969 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2970 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
2972 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
2973 mpt_free_msg_frame(ioc, mf);
2977 printk(MYIOC_s_WARN_FMT
2978 "Issuing Reset from %s!! doorbell=0x%08xh"
2980 ioc->name, __func__, mpt_GetIocState(ioc, 0),
2982 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2983 mpt_free_msg_frame(ioc, mf);
2988 ret = ioc->internal_cmds.completion_code;
2989 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
2990 ioc->name, __func__, ret));
2993 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
2994 mutex_unlock(&ioc->internal_cmds.mutex);
2998 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3000 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3001 * @hd: Pointer to a SCSI HOST structure
3002 * @vdevice: virtual target device
3004 * Uses the ISR, but with special processing.
3005 * MUST be single-threaded.
3009 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3013 /* Ignore hidden raid components, this is handled when the command
3014 * is sent to the volume
3016 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3019 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3020 !vdevice->configured_lun)
3023 /* Following parameters will not change
3026 iocmd.cmd = SYNCHRONIZE_CACHE;
3028 iocmd.physDiskNum = -1;
3030 iocmd.data_dma = -1;
3032 iocmd.rsvd = iocmd.rsvd2 = 0;
3033 iocmd.channel = vdevice->vtarget->channel;
3034 iocmd.id = vdevice->vtarget->id;
3035 iocmd.lun = vdevice->lun;
3037 mptscsih_do_cmd(hd, &iocmd);
3041 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3044 struct Scsi_Host *host = class_to_shost(dev);
3045 MPT_SCSI_HOST *hd = shost_priv(host);
3046 MPT_ADAPTER *ioc = hd->ioc;
3048 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3049 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3050 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3051 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3052 ioc->facts.FWVersion.Word & 0x000000FF);
3054 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3057 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3060 struct Scsi_Host *host = class_to_shost(dev);
3061 MPT_SCSI_HOST *hd = shost_priv(host);
3062 MPT_ADAPTER *ioc = hd->ioc;
3064 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3065 (ioc->biosVersion & 0xFF000000) >> 24,
3066 (ioc->biosVersion & 0x00FF0000) >> 16,
3067 (ioc->biosVersion & 0x0000FF00) >> 8,
3068 ioc->biosVersion & 0x000000FF);
3070 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3073 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3076 struct Scsi_Host *host = class_to_shost(dev);
3077 MPT_SCSI_HOST *hd = shost_priv(host);
3078 MPT_ADAPTER *ioc = hd->ioc;
3080 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3082 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3085 mptscsih_version_product_show(struct device *dev,
3086 struct device_attribute *attr,
3089 struct Scsi_Host *host = class_to_shost(dev);
3090 MPT_SCSI_HOST *hd = shost_priv(host);
3091 MPT_ADAPTER *ioc = hd->ioc;
3093 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3095 static DEVICE_ATTR(version_product, S_IRUGO,
3096 mptscsih_version_product_show, NULL);
3099 mptscsih_version_nvdata_persistent_show(struct device *dev,
3100 struct device_attribute *attr,
3103 struct Scsi_Host *host = class_to_shost(dev);
3104 MPT_SCSI_HOST *hd = shost_priv(host);
3105 MPT_ADAPTER *ioc = hd->ioc;
3107 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3108 ioc->nvdata_version_persistent);
3110 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3111 mptscsih_version_nvdata_persistent_show, NULL);
3114 mptscsih_version_nvdata_default_show(struct device *dev,
3115 struct device_attribute *attr, char *buf)
3117 struct Scsi_Host *host = class_to_shost(dev);
3118 MPT_SCSI_HOST *hd = shost_priv(host);
3119 MPT_ADAPTER *ioc = hd->ioc;
3121 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3123 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3124 mptscsih_version_nvdata_default_show, NULL);
3127 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3130 struct Scsi_Host *host = class_to_shost(dev);
3131 MPT_SCSI_HOST *hd = shost_priv(host);
3132 MPT_ADAPTER *ioc = hd->ioc;
3134 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3136 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3139 mptscsih_board_assembly_show(struct device *dev,
3140 struct device_attribute *attr, char *buf)
3142 struct Scsi_Host *host = class_to_shost(dev);
3143 MPT_SCSI_HOST *hd = shost_priv(host);
3144 MPT_ADAPTER *ioc = hd->ioc;
3146 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3148 static DEVICE_ATTR(board_assembly, S_IRUGO,
3149 mptscsih_board_assembly_show, NULL);
3152 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3155 struct Scsi_Host *host = class_to_shost(dev);
3156 MPT_SCSI_HOST *hd = shost_priv(host);
3157 MPT_ADAPTER *ioc = hd->ioc;
3159 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3161 static DEVICE_ATTR(board_tracer, S_IRUGO,
3162 mptscsih_board_tracer_show, NULL);
3165 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3168 struct Scsi_Host *host = class_to_shost(dev);
3169 MPT_SCSI_HOST *hd = shost_priv(host);
3170 MPT_ADAPTER *ioc = hd->ioc;
3172 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3174 static DEVICE_ATTR(io_delay, S_IRUGO,
3175 mptscsih_io_delay_show, NULL);
3178 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3181 struct Scsi_Host *host = class_to_shost(dev);
3182 MPT_SCSI_HOST *hd = shost_priv(host);
3183 MPT_ADAPTER *ioc = hd->ioc;
3185 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3187 static DEVICE_ATTR(device_delay, S_IRUGO,
3188 mptscsih_device_delay_show, NULL);
3191 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3194 struct Scsi_Host *host = class_to_shost(dev);
3195 MPT_SCSI_HOST *hd = shost_priv(host);
3196 MPT_ADAPTER *ioc = hd->ioc;
3198 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3201 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3202 const char *buf, size_t count)
3204 struct Scsi_Host *host = class_to_shost(dev);
3205 MPT_SCSI_HOST *hd = shost_priv(host);
3206 MPT_ADAPTER *ioc = hd->ioc;
3209 if (sscanf(buf, "%x", &val) != 1)
3212 ioc->debug_level = val;
3213 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3214 ioc->name, ioc->debug_level);
3217 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3218 mptscsih_debug_level_show, mptscsih_debug_level_store);
3220 struct device_attribute *mptscsih_host_attrs[] = {
3221 &dev_attr_version_fw,
3222 &dev_attr_version_bios,
3223 &dev_attr_version_mpi,
3224 &dev_attr_version_product,
3225 &dev_attr_version_nvdata_persistent,
3226 &dev_attr_version_nvdata_default,
3227 &dev_attr_board_name,
3228 &dev_attr_board_assembly,
3229 &dev_attr_board_tracer,
3231 &dev_attr_device_delay,
3232 &dev_attr_debug_level,
3236 EXPORT_SYMBOL(mptscsih_host_attrs);
3238 EXPORT_SYMBOL(mptscsih_remove);
3239 EXPORT_SYMBOL(mptscsih_shutdown);
3241 EXPORT_SYMBOL(mptscsih_suspend);
3242 EXPORT_SYMBOL(mptscsih_resume);
3244 EXPORT_SYMBOL(mptscsih_show_info);
3245 EXPORT_SYMBOL(mptscsih_info);
3246 EXPORT_SYMBOL(mptscsih_qcmd);
3247 EXPORT_SYMBOL(mptscsih_slave_destroy);
3248 EXPORT_SYMBOL(mptscsih_slave_configure);
3249 EXPORT_SYMBOL(mptscsih_abort);
3250 EXPORT_SYMBOL(mptscsih_dev_reset);
3251 EXPORT_SYMBOL(mptscsih_bus_reset);
3252 EXPORT_SYMBOL(mptscsih_host_reset);
3253 EXPORT_SYMBOL(mptscsih_bios_param);
3254 EXPORT_SYMBOL(mptscsih_io_done);
3255 EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3256 EXPORT_SYMBOL(mptscsih_scandv_complete);
3257 EXPORT_SYMBOL(mptscsih_event_process);
3258 EXPORT_SYMBOL(mptscsih_ioc_reset);
3259 EXPORT_SYMBOL(mptscsih_change_queue_depth);
3261 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/