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/init.h>
50 #include <linux/errno.h>
51 #include <linux/kdev_t.h>
52 #include <linux/blkdev.h>
53 #include <linux/delay.h> /* for mdelay */
54 #include <linux/interrupt.h> /* needed for in_interrupt() proto */
55 #include <linux/reboot.h> /* notifier code */
56 #include <linux/workqueue.h>
58 #include <scsi/scsi.h>
59 #include <scsi/scsi_cmnd.h>
60 #include <scsi/scsi_device.h>
61 #include <scsi/scsi_host.h>
62 #include <scsi/scsi_tcq.h>
63 #include <scsi/scsi_dbg.h>
67 #include "lsi/mpi_log_sas.h"
69 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
70 #define my_NAME "Fusion MPT SCSI Host driver"
71 #define my_VERSION MPT_LINUX_VERSION_COMMON
72 #define MYNAM "mptscsih"
74 MODULE_AUTHOR(MODULEAUTHOR);
75 MODULE_DESCRIPTION(my_NAME);
76 MODULE_LICENSE("GPL");
77 MODULE_VERSION(my_VERSION);
79 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
81 * Other private/forward protos...
83 struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
84 static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
85 static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
86 static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
87 int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
88 static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
89 int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
91 static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
92 SCSIIORequest_t *pReq, int req_idx);
93 static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
94 static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
96 int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
97 int lun, int ctx2abort, ulong timeout);
99 int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
100 int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
103 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
104 static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
105 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
106 int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
107 static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
108 static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
111 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
112 SCSITaskMgmtReply_t *pScsiTmReply);
113 void mptscsih_remove(struct pci_dev *);
114 void mptscsih_shutdown(struct pci_dev *);
116 int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
117 int mptscsih_resume(struct pci_dev *pdev);
120 #define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE
123 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
125 * mptscsih_getFreeChainBuffer - Function to get a free chain
126 * from the MPT_SCSI_HOST FreeChainQ.
127 * @ioc: Pointer to MPT_ADAPTER structure
128 * @req_idx: Index of the SCSI IO request frame. (output)
130 * return SUCCESS or FAILED
133 mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
135 MPT_FRAME_HDR *chainBuf;
140 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
142 spin_lock_irqsave(&ioc->FreeQlock, flags);
143 if (!list_empty(&ioc->FreeChainQ)) {
146 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
147 u.frame.linkage.list);
148 list_del(&chainBuf->u.frame.linkage.list);
149 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
150 chain_idx = offset / ioc->req_sz;
152 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
153 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
154 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
157 chain_idx = MPT_HOST_NO_CHAIN;
158 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
161 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
163 *retIndex = chain_idx;
165 } /* mptscsih_getFreeChainBuffer() */
167 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
169 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
170 * SCSIIORequest_t Message Frame.
171 * @ioc: Pointer to MPT_ADAPTER structure
172 * @SCpnt: Pointer to scsi_cmnd structure
173 * @pReq: Pointer to SCSIIORequest_t structure
178 mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
179 SCSIIORequest_t *pReq, int req_idx)
183 struct scatterlist *sg;
185 int sges_left, sg_done;
186 int chain_idx = MPT_HOST_NO_CHAIN;
188 int numSgeSlots, numSgeThisFrame;
189 u32 sgflags, sgdir, thisxfer = 0;
190 int chain_dma_off = 0;
196 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
197 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
198 sgdir = MPT_TRANSFER_HOST_TO_IOC;
200 sgdir = MPT_TRANSFER_IOC_TO_HOST;
203 psge = (char *) &pReq->SGL;
204 frm_sz = ioc->req_sz;
206 /* Map the data portion, if any.
207 * sges_left = 0 if no data transfer.
209 sges_left = scsi_dma_map(SCpnt);
213 /* Handle the SG case.
215 sg = scsi_sglist(SCpnt);
217 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
220 /* Prior to entering this loop - the following must be set
221 * current MF: sgeOffset (bytes)
222 * chainSge (Null if original MF is not a chain buffer)
223 * sg_done (num SGE done for this MF)
227 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
228 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
230 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
232 /* Get first (num - 1) SG elements
233 * Skip any SG entries with a length of 0
234 * NOTE: at finish, sg and psge pointed to NEXT data/location positions
236 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
237 thisxfer = sg_dma_len(sg);
239 /* Get next SG element from the OS */
245 v2 = sg_dma_address(sg);
246 ioc->add_sge(psge, sgflags | thisxfer, v2);
248 /* Get next SG element from the OS */
250 psge += ioc->SGE_size;
251 sgeOffset += ioc->SGE_size;
255 if (numSgeThisFrame == sges_left) {
256 /* Add last element, end of buffer and end of list flags.
258 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
259 MPT_SGE_FLAGS_END_OF_BUFFER |
260 MPT_SGE_FLAGS_END_OF_LIST;
262 /* Add last SGE and set termination flags.
263 * Note: Last SGE may have a length of 0 - which should be ok.
265 thisxfer = sg_dma_len(sg);
267 v2 = sg_dma_address(sg);
268 ioc->add_sge(psge, sgflags | thisxfer, v2);
269 sgeOffset += ioc->SGE_size;
273 /* The current buffer is a chain buffer,
274 * but there is not another one.
275 * Update the chain element
276 * Offset and Length fields.
278 ioc->add_chain((char *)chainSge, 0, sgeOffset,
279 ioc->ChainBufferDMA + chain_dma_off);
281 /* The current buffer is the original MF
282 * and there is no Chain buffer.
284 pReq->ChainOffset = 0;
285 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
286 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
287 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
288 ioc->RequestNB[req_idx] = RequestNB;
291 /* At least one chain buffer is needed.
292 * Complete the first MF
293 * - last SGE element, set the LastElement bit
294 * - set ChainOffset (words) for orig MF
295 * (OR finish previous MF chain buffer)
296 * - update MFStructPtr ChainIndex
297 * - Populate chain element
302 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
303 ioc->name, sg_done));
305 /* Set LAST_ELEMENT flag for last non-chain element
306 * in the buffer. Since psge points at the NEXT
307 * SGE element, go back one SGE element, update the flags
308 * and reset the pointer. (Note: sgflags & thisxfer are already
312 u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
313 sgflags = le32_to_cpu(*ptmp);
314 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
315 *ptmp = cpu_to_le32(sgflags);
319 /* The current buffer is a chain buffer.
320 * chainSge points to the previous Chain Element.
321 * Update its chain element Offset and Length (must
322 * include chain element size) fields.
323 * Old chain element is now complete.
325 u8 nextChain = (u8) (sgeOffset >> 2);
326 sgeOffset += ioc->SGE_size;
327 ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
328 ioc->ChainBufferDMA + chain_dma_off);
330 /* The original MF buffer requires a chain buffer -
332 * Last element in this MF is a chain element.
334 pReq->ChainOffset = (u8) (sgeOffset >> 2);
335 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
336 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
337 ioc->RequestNB[req_idx] = RequestNB;
340 sges_left -= sg_done;
343 /* NOTE: psge points to the beginning of the chain element
344 * in current buffer. Get a chain buffer.
346 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
347 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
348 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
349 ioc->name, pReq->CDB[0], SCpnt));
353 /* Update the tracking arrays.
354 * If chainSge == NULL, update ReqToChain, else ChainToChain
357 ioc->ChainToChain[chain_idx] = newIndex;
359 ioc->ReqToChain[req_idx] = newIndex;
361 chain_idx = newIndex;
362 chain_dma_off = ioc->req_sz * chain_idx;
364 /* Populate the chainSGE for the current buffer.
365 * - Set chain buffer pointer to psge and fill
366 * out the Address and Flags fields.
368 chainSge = (char *) psge;
369 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
370 ioc->name, psge, req_idx));
372 /* Start the SGE for the next buffer
374 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
378 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
379 ioc->name, psge, chain_idx));
381 /* Start the SGE for the next buffer
388 } /* mptscsih_AddSGE() */
391 mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
395 SEPRequest_t *SEPMsg;
397 if (ioc->bus_type != SAS)
400 /* Not supported for hidden raid components
402 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
405 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
406 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
407 ioc->name,__func__));
411 SEPMsg = (SEPRequest_t *)mf;
412 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
413 SEPMsg->Bus = vtarget->channel;
414 SEPMsg->TargetID = vtarget->id;
415 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
416 SEPMsg->SlotStatus = SlotStatus;
417 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
418 "Sending SEP cmd=%x channel=%d id=%d\n",
419 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
420 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
423 #ifdef CONFIG_FUSION_LOGGING
425 * mptscsih_info_scsiio - debug print info on reply frame
426 * @ioc: Pointer to MPT_ADAPTER structure
427 * @sc: original scsi cmnd pointer
428 * @pScsiReply: Pointer to MPT reply frame
430 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
432 * Refer to lsi/mpi.h.
435 mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
442 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
444 switch (ioc_status) {
446 case MPI_IOCSTATUS_SUCCESS:
449 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
450 desc = "invalid bus";
452 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
453 desc = "invalid target_id";
455 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
456 desc = "device not there";
458 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
459 desc = "data overrun";
461 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
462 desc = "data underrun";
464 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
465 desc = "I/O data error";
467 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
468 desc = "protocol error";
470 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
471 desc = "task terminated";
473 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
474 desc = "residual mismatch";
476 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
477 desc = "task management failed";
479 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
480 desc = "IOC terminated";
482 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
483 desc = "ext terminated";
490 switch (pScsiReply->SCSIStatus)
493 case MPI_SCSI_STATUS_SUCCESS:
496 case MPI_SCSI_STATUS_CHECK_CONDITION:
497 desc1 = "check condition";
499 case MPI_SCSI_STATUS_CONDITION_MET:
500 desc1 = "condition met";
502 case MPI_SCSI_STATUS_BUSY:
505 case MPI_SCSI_STATUS_INTERMEDIATE:
506 desc1 = "intermediate";
508 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
509 desc1 = "intermediate condmet";
511 case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
512 desc1 = "reservation conflict";
514 case MPI_SCSI_STATUS_COMMAND_TERMINATED:
515 desc1 = "command terminated";
517 case MPI_SCSI_STATUS_TASK_SET_FULL:
518 desc1 = "task set full";
520 case MPI_SCSI_STATUS_ACA_ACTIVE:
521 desc1 = "aca active";
523 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
524 desc1 = "fcpext device logged out";
526 case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
527 desc1 = "fcpext no link";
529 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
530 desc1 = "fcpext unassigned";
537 scsi_print_command(sc);
538 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %d\n",
539 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
540 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
541 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
543 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
544 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
545 le32_to_cpu(pScsiReply->TransferCount), sc->result);
547 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
548 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
549 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
550 pScsiReply->SCSIState);
552 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
553 skey = sc->sense_buffer[2] & 0x0F;
554 asc = sc->sense_buffer[12];
555 ascq = sc->sense_buffer[13];
557 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
558 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
562 * Look for + dump FCP ResponseInfo[]!
564 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
565 pScsiReply->ResponseInfo)
566 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
567 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
571 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
573 * mptscsih_io_done - Main SCSI IO callback routine registered to
574 * Fusion MPT (base) driver
575 * @ioc: Pointer to MPT_ADAPTER structure
576 * @mf: Pointer to original MPT request frame
577 * @r: Pointer to MPT reply frame (NULL if TurboReply)
579 * This routine is called from mpt.c::mpt_interrupt() at the completion
580 * of any SCSI IO request.
581 * This routine is registered with the Fusion MPT (base) driver at driver
582 * load/init time via the mpt_register() API call.
584 * Returns 1 indicating alloc'd request frame ptr should be freed.
587 mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
589 struct scsi_cmnd *sc;
591 SCSIIORequest_t *pScsiReq;
592 SCSIIOReply_t *pScsiReply;
593 u16 req_idx, req_idx_MR;
597 hd = shost_priv(ioc->sh);
598 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
599 req_idx_MR = (mr != NULL) ?
600 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
602 /* Special case, where already freed message frame is received from
603 * Firmware. It happens with Resetting IOC.
604 * Return immediately. Do not care
606 if ((req_idx != req_idx_MR) ||
607 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
610 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
612 MPIHeader_t *hdr = (MPIHeader_t *)mf;
614 /* Remark: writeSDP1 will use the ScsiDoneCtx
615 * If a SCSI I/O cmd, device disabled by OS and
616 * completion done. Cannot touch sc struct. Just free mem.
618 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
619 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
622 mptscsih_freeChainBuffers(ioc, req_idx);
626 if ((unsigned char *)mf != sc->host_scribble) {
627 mptscsih_freeChainBuffers(ioc, req_idx);
631 if (ioc->bus_type == SAS) {
632 VirtDevice *vdevice = sc->device->hostdata;
634 if (!vdevice || !vdevice->vtarget ||
635 vdevice->vtarget->deleted) {
636 sc->result = DID_NO_CONNECT << 16;
641 sc->host_scribble = NULL;
642 sc->result = DID_OK << 16; /* Set default reply as OK */
643 pScsiReq = (SCSIIORequest_t *) mf;
644 pScsiReply = (SCSIIOReply_t *) mr;
646 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
647 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
648 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
649 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
651 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
652 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
653 ioc->name, mf, mr, sc, req_idx));
656 if (pScsiReply == NULL) {
657 /* special context reply handling */
662 u8 scsi_state, scsi_status;
665 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:%d] "
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 ) {
740 u16 ioc_status = le16_to_cpu(pScsiReply->IOCStatus);
741 if (ioc_status & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
742 if ((log_info & SAS_LOGINFO_MASK)
743 == SAS_LOGINFO_NEXUS_LOSS) {
744 sc->result = (DID_BUS_BUSY << 16);
748 } else if (ioc->bus_type == FC) {
750 * The FC IOC may kill a request for variety of
751 * reasons, some of which may be recovered by a
752 * retry, some which are unlikely to be
753 * recovered. Return DID_ERROR instead of
754 * DID_RESET to permit retry of the command,
755 * just not an infinite number of them
757 sc->result = DID_ERROR << 16;
762 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
765 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
766 /* Linux handles an unsolicited DID_RESET better
767 * than an unsolicited DID_ABORT.
769 sc->result = DID_RESET << 16;
771 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
772 if (ioc->bus_type == FC)
773 sc->result = DID_ERROR << 16;
775 sc->result = DID_RESET << 16;
778 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
779 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
780 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
781 sc->result=DID_SOFT_ERROR << 16;
782 else /* Sufficient data transfer occurred */
783 sc->result = (DID_OK << 16) | scsi_status;
784 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
785 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
786 ioc->name, sc->result, sc->device->channel, sc->device->id));
789 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
791 * Do upfront check for valid SenseData and give it
794 sc->result = (DID_OK << 16) | scsi_status;
795 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
798 * For an Errata on LSI53C1030
799 * When the length of request data
800 * and transfer data are different
801 * with result of command (READ or VERIFY),
802 * DID_SOFT_ERROR is set.
804 if (ioc->bus_type == SPI) {
805 if (pScsiReq->CDB[0] == READ_6 ||
806 pScsiReq->CDB[0] == READ_10 ||
807 pScsiReq->CDB[0] == READ_12 ||
808 pScsiReq->CDB[0] == READ_16 ||
809 pScsiReq->CDB[0] == VERIFY ||
810 pScsiReq->CDB[0] == VERIFY_16) {
811 if (scsi_bufflen(sc) !=
814 DID_SOFT_ERROR << 16;
815 printk(KERN_WARNING "Errata"
816 "on LSI53C1030 occurred."
817 "sc->req_bufflen=0x%02x,"
825 if (xfer_cnt < sc->underflow) {
826 if (scsi_status == SAM_STAT_BUSY)
827 sc->result = SAM_STAT_BUSY;
829 sc->result = DID_SOFT_ERROR << 16;
831 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
834 sc->result = DID_SOFT_ERROR << 16;
836 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
837 /* Not real sure here either... */
838 sc->result = DID_RESET << 16;
843 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
844 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
845 ioc->name, sc->underflow));
846 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
847 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
851 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
852 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
856 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
857 scsi_set_resid(sc, 0);
858 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
859 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
860 sc->result = (DID_OK << 16) | scsi_status;
861 if (scsi_state == 0) {
863 } else if (scsi_state &
864 MPI_SCSI_STATE_AUTOSENSE_VALID) {
867 * For potential trouble on LSI53C1030.
869 * It is checked whether the length of
870 * request data is equal to
871 * the length of transfer and residual.
872 * MEDIUM_ERROR is set by incorrect data.
874 if ((ioc->bus_type == SPI) &&
875 (sc->sense_buffer[2] & 0x20)) {
878 sc->sense_buffer[3] << 24 |
879 sc->sense_buffer[4] << 16 |
880 sc->sense_buffer[5] << 8 |
882 if (((sc->sense_buffer[3] & 0x80) ==
883 0x80) && (scsi_bufflen(sc)
885 sc->sense_buffer[2] =
887 sc->sense_buffer[12] = 0xff;
888 sc->sense_buffer[13] = 0xff;
889 printk(KERN_WARNING"Errata"
890 "on LSI53C1030 occurred."
891 "sc->req_bufflen=0x%02x,"
892 "xfer_cnt=0x%02x\n" ,
896 if (((sc->sense_buffer[3] & 0x80)
899 xfer_cnt + difftransfer)) {
900 sc->sense_buffer[2] =
902 sc->sense_buffer[12] = 0xff;
903 sc->sense_buffer[13] = 0xff;
905 "Errata on LSI53C1030 occurred"
906 "sc->req_bufflen=0x%02x,"
908 "difftransfer=0x%02x\n",
916 * If running against circa 200003dd 909 MPT f/w,
917 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
918 * (QUEUE_FULL) returned from device! --> get 0x0000?128
919 * and with SenseBytes set to 0.
921 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
922 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
925 else if (scsi_state &
926 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
931 sc->result = DID_SOFT_ERROR << 16;
933 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
934 /* Not real sure here either... */
935 sc->result = DID_RESET << 16;
937 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
938 /* Device Inq. data indicates that it supports
939 * QTags, but rejects QTag messages.
940 * This command completed OK.
942 * Not real sure here either so do nothing... */
945 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
946 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
949 * Reservation Conflict, Busy,
950 * Command Terminated, CHECK
954 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
955 sc->result = DID_SOFT_ERROR << 16;
958 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
959 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
960 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
961 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
962 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
963 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
964 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
965 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
970 sc->result = DID_SOFT_ERROR << 16;
973 } /* switch(status) */
975 #ifdef CONFIG_FUSION_LOGGING
976 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
977 mptscsih_info_scsiio(ioc, sc, pScsiReply);
980 } /* end of address reply case */
982 /* Unmap the DMA buffers, if any. */
985 sc->scsi_done(sc); /* Issue the command callback */
987 /* Free Chain buffers */
988 mptscsih_freeChainBuffers(ioc, req_idx);
993 * mptscsih_flush_running_cmds - For each command found, search
994 * Scsi_Host instance taskQ and reply to OS.
995 * Called only if recovering from a FW reload.
996 * @hd: Pointer to a SCSI HOST structure
1000 * Must be called while new I/Os are being queued.
1003 mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1005 MPT_ADAPTER *ioc = hd->ioc;
1006 struct scsi_cmnd *sc;
1007 SCSIIORequest_t *mf = NULL;
1011 for (ii= 0; ii < ioc->req_depth; ii++) {
1012 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1015 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1020 mptscsih_freeChainBuffers(ioc, ii);
1021 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1022 if ((unsigned char *)mf != sc->host_scribble)
1025 sc->result = DID_RESET << 16;
1026 sc->host_scribble = NULL;
1027 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1028 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1029 "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
1035 * mptscsih_search_running_cmds - Delete any commands associated
1036 * with the specified target and lun. Function called only
1037 * when a lun is disable by mid-layer.
1038 * Do NOT access the referenced scsi_cmnd structure or
1039 * members. Will cause either a paging or NULL ptr error.
1040 * (BUT, BUT, BUT, the code does reference it! - mdr)
1041 * @hd: Pointer to a SCSI HOST structure
1042 * @vdevice: per device private data
1046 * Called from slave_destroy.
1049 mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1051 SCSIIORequest_t *mf = NULL;
1053 struct scsi_cmnd *sc;
1054 struct scsi_lun lun;
1055 MPT_ADAPTER *ioc = hd->ioc;
1056 unsigned long flags;
1058 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1059 for (ii = 0; ii < ioc->req_depth; ii++) {
1060 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
1062 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1065 /* If the device is a hidden raid component, then its
1066 * expected that the mf->function will be RAID_SCSI_IO
1068 if (vdevice->vtarget->tflags &
1069 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1070 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1073 int_to_scsilun(vdevice->lun, &lun);
1074 if ((mf->Bus != vdevice->vtarget->channel) ||
1075 (mf->TargetID != vdevice->vtarget->id) ||
1076 memcmp(lun.scsi_lun, mf->LUN, 8))
1079 if ((unsigned char *)mf != sc->host_scribble)
1081 ioc->ScsiLookup[ii] = NULL;
1082 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1083 mptscsih_freeChainBuffers(ioc, ii);
1084 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1086 sc->host_scribble = NULL;
1087 sc->result = DID_NO_CONNECT << 16;
1088 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1089 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1090 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1091 vdevice->vtarget->channel, vdevice->vtarget->id,
1094 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1097 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1101 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1103 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1105 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
1106 * from a SCSI target device.
1107 * @sc: Pointer to scsi_cmnd structure
1108 * @pScsiReply: Pointer to SCSIIOReply_t
1109 * @pScsiReq: Pointer to original SCSI request
1111 * This routine periodically reports QUEUE_FULL status returned from a
1112 * SCSI target device. It reports this to the console via kernel
1113 * printk() API call, not more than once every 10 seconds.
1116 mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1118 long time = jiffies;
1122 if (sc->device == NULL)
1124 if (sc->device->host == NULL)
1126 if ((hd = shost_priv(sc->device->host)) == NULL)
1129 if (time - hd->last_queue_full > 10 * HZ) {
1130 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n",
1131 ioc->name, 0, sc->device->id, sc->device->lun));
1132 hd->last_queue_full = time;
1136 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1138 * mptscsih_remove - Removed scsi devices
1139 * @pdev: Pointer to pci_dev structure
1144 mptscsih_remove(struct pci_dev *pdev)
1146 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1147 struct Scsi_Host *host = ioc->sh;
1156 scsi_remove_host(host);
1158 if((hd = shost_priv(host)) == NULL)
1161 mptscsih_shutdown(pdev);
1165 if (ioc->ScsiLookup != NULL) {
1166 sz1 = ioc->req_depth * sizeof(void *);
1167 kfree(ioc->ScsiLookup);
1168 ioc->ScsiLookup = NULL;
1171 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1172 "Free'd ScsiLookup (%d) memory\n",
1175 kfree(hd->info_kbuf);
1177 /* NULL the Scsi_Host pointer
1181 scsi_host_put(host);
1187 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1189 * mptscsih_shutdown - reboot notifier
1193 mptscsih_shutdown(struct pci_dev *pdev)
1198 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1200 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1205 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1207 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1209 scsi_block_requests(ioc->sh);
1210 flush_scheduled_work();
1211 mptscsih_shutdown(pdev);
1212 return mpt_suspend(pdev,state);
1215 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1217 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1222 mptscsih_resume(struct pci_dev *pdev)
1224 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1227 rc = mpt_resume(pdev);
1228 scsi_unblock_requests(ioc->sh);
1234 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1236 * mptscsih_info - Return information about MPT adapter
1237 * @SChost: Pointer to Scsi_Host structure
1239 * (linux scsi_host_template.info routine)
1241 * Returns pointer to buffer where information was written.
1244 mptscsih_info(struct Scsi_Host *SChost)
1249 h = shost_priv(SChost);
1252 if (h->info_kbuf == NULL)
1253 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1254 return h->info_kbuf;
1255 h->info_kbuf[0] = '\0';
1257 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1258 h->info_kbuf[size-1] = '\0';
1261 return h->info_kbuf;
1272 mptscsih_copy_mem_info(struct info_str *info, char *data, int len)
1274 if (info->pos + len > info->length)
1275 len = info->length - info->pos;
1277 if (info->pos + len < info->offset) {
1282 if (info->pos < info->offset) {
1283 data += (info->offset - info->pos);
1284 len -= (info->offset - info->pos);
1288 memcpy(info->buffer + info->pos, data, len);
1294 mptscsih_copy_info(struct info_str *info, char *fmt, ...)
1300 va_start(args, fmt);
1301 len = vsprintf(buf, fmt, args);
1304 mptscsih_copy_mem_info(info, buf, len);
1309 mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len)
1311 struct info_str info;
1315 info.offset = offset;
1318 mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name);
1319 mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1320 mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts);
1321 mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth);
1323 return ((info.pos > info.offset) ? info.pos - info.offset : 0);
1326 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1328 * mptscsih_proc_info - Return information about MPT adapter
1329 * @host: scsi host struct
1330 * @buffer: if write, user data; if read, buffer for user
1331 * @start: returns the buffer address
1332 * @offset: if write, 0; if read, the current offset into the buffer from
1333 * the previous read.
1334 * @length: if write, return length;
1335 * @func: write = 1; read = 0
1337 * (linux scsi_host_template.info routine)
1340 mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
1341 int length, int func)
1343 MPT_SCSI_HOST *hd = shost_priv(host);
1344 MPT_ADAPTER *ioc = hd->ioc;
1349 * write is not supported
1355 size = mptscsih_host_info(ioc, buffer, offset, length);
1361 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1362 #define ADD_INDEX_LOG(req_ent) do { } while(0)
1364 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1366 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1367 * @SCpnt: Pointer to scsi_cmnd structure
1368 * @done: Pointer SCSI mid-layer IO completion function
1370 * (linux scsi_host_template.queuecommand routine)
1371 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1372 * from a linux scsi_cmnd request and send it to the IOC.
1374 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1377 mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1381 SCSIIORequest_t *pScsiReq;
1382 VirtDevice *vdevice = SCpnt->device->hostdata;
1391 hd = shost_priv(SCpnt->device->host);
1393 SCpnt->scsi_done = done;
1395 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n",
1396 ioc->name, SCpnt, done));
1398 if (ioc->taskmgmt_quiesce_io) {
1399 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "qcmd: SCpnt=%p timeout + 60HZ\n",
1401 return SCSI_MLQUEUE_HOST_BUSY;
1405 * Put together a MPT SCSI request...
1407 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1408 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1410 return SCSI_MLQUEUE_HOST_BUSY;
1413 pScsiReq = (SCSIIORequest_t *) mf;
1415 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1417 ADD_INDEX_LOG(my_idx);
1419 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1420 * Seems we may receive a buffer (datalen>0) even when there
1421 * will be no data transfer! GRRRRR...
1423 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1424 datalen = scsi_bufflen(SCpnt);
1425 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1426 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1427 datalen = scsi_bufflen(SCpnt);
1428 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1431 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1434 /* Default to untagged. Once a target structure has been allocated,
1435 * use the Inquiry data to determine if device supports tagged.
1438 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
1439 && (SCpnt->device->tagged_supported)) {
1440 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1442 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1445 /* Use the above information to set up the message frame
1447 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1448 pScsiReq->Bus = vdevice->vtarget->channel;
1449 pScsiReq->ChainOffset = 0;
1450 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1451 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1453 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1454 pScsiReq->CDBLength = SCpnt->cmd_len;
1455 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1456 pScsiReq->Reserved = 0;
1457 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1458 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1459 pScsiReq->Control = cpu_to_le32(scsictl);
1462 * Write SCSI CDB into the message
1464 cmd_len = SCpnt->cmd_len;
1465 for (ii=0; ii < cmd_len; ii++)
1466 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1468 for (ii=cmd_len; ii < 16; ii++)
1469 pScsiReq->CDB[ii] = 0;
1472 pScsiReq->DataLength = cpu_to_le32(datalen);
1474 /* SenseBuffer low address */
1475 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1476 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1478 /* Now add the SG list
1479 * Always have a SGE even if null length.
1482 /* Add a NULL SGE */
1483 ioc->add_sge((char *)&pScsiReq->SGL,
1484 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1487 /* Add a 32 or 64 bit SGE */
1488 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1492 SCpnt->host_scribble = (unsigned char *)mf;
1493 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1495 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1496 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1497 ioc->name, SCpnt, mf, my_idx));
1498 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1502 mptscsih_freeChainBuffers(ioc, my_idx);
1503 mpt_free_msg_frame(ioc, mf);
1504 return SCSI_MLQUEUE_HOST_BUSY;
1507 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1509 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1510 * with a SCSI IO request
1511 * @hd: Pointer to the MPT_SCSI_HOST instance
1512 * @req_idx: Index of the SCSI IO request frame.
1514 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1518 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1520 MPT_FRAME_HDR *chain;
1521 unsigned long flags;
1525 /* Get the first chain index and reset
1528 chain_idx = ioc->ReqToChain[req_idx];
1529 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1531 while (chain_idx != MPT_HOST_NO_CHAIN) {
1533 /* Save the next chain buffer index */
1534 next = ioc->ChainToChain[chain_idx];
1536 /* Free this chain buffer and reset
1539 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1541 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1542 + (chain_idx * ioc->req_sz));
1544 spin_lock_irqsave(&ioc->FreeQlock, flags);
1545 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1546 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1548 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1549 ioc->name, chain_idx));
1557 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1562 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1564 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1565 * @hd: Pointer to MPT_SCSI_HOST structure
1566 * @type: Task Management type
1567 * @channel: channel number for task management
1568 * @id: Logical Target ID for reset (if appropriate)
1569 * @lun: Logical Unit for reset (if appropriate)
1570 * @ctx2abort: Context for the task to be aborted (if appropriate)
1571 * @timeout: timeout for task management control
1573 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1574 * or a non-interrupt thread. In the former, must not call schedule().
1576 * Not all fields are meaningfull for all task types.
1578 * Returns 0 for SUCCESS, or FAILED.
1582 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun,
1583 int ctx2abort, ulong timeout)
1586 SCSITaskMgmt_t *pScsiTm;
1589 MPT_ADAPTER *ioc = hd->ioc;
1590 unsigned long timeleft;
1591 u8 issue_hard_reset;
1593 unsigned long time_count;
1595 issue_hard_reset = 0;
1596 ioc_raw_state = mpt_GetIocState(ioc, 0);
1598 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1599 printk(MYIOC_s_WARN_FMT
1600 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1601 ioc->name, type, ioc_raw_state);
1602 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1603 ioc->name, __func__);
1604 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1605 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1606 "FAILED!!\n", ioc->name);
1610 if (ioc_raw_state & MPI_DOORBELL_ACTIVE) {
1611 printk(MYIOC_s_WARN_FMT
1612 "TaskMgmt type=%x: ioc_state: "
1613 "DOORBELL_ACTIVE (0x%x)!\n",
1614 ioc->name, type, ioc_raw_state);
1618 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1619 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1625 /* Return Fail to calling function if no message frames available.
1627 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1628 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1629 "TaskMgmt no msg frames!!\n", ioc->name));
1631 mpt_clear_taskmgmt_in_progress_flag(ioc);
1634 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1637 /* Format the Request
1639 pScsiTm = (SCSITaskMgmt_t *) mf;
1640 pScsiTm->TargetID = id;
1641 pScsiTm->Bus = channel;
1642 pScsiTm->ChainOffset = 0;
1643 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1645 pScsiTm->Reserved = 0;
1646 pScsiTm->TaskType = type;
1647 pScsiTm->Reserved1 = 0;
1648 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1649 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1651 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1653 for (ii=0; ii < 7; ii++)
1654 pScsiTm->Reserved2[ii] = 0;
1656 pScsiTm->TaskMsgContext = ctx2abort;
1658 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1659 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1662 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1664 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1665 time_count = jiffies;
1666 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1667 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1668 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1670 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1671 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1673 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1674 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1675 ioc->name, mf, retval));
1676 mpt_free_msg_frame(ioc, mf);
1677 mpt_clear_taskmgmt_in_progress_flag(ioc);
1682 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1684 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1686 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1687 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1688 mpt_clear_taskmgmt_in_progress_flag(ioc);
1689 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1691 issue_hard_reset = 1;
1695 retval = mptscsih_taskmgmt_reply(ioc, type,
1696 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1698 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1699 "TaskMgmt completed (%d seconds)\n",
1700 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1704 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1705 if (issue_hard_reset) {
1706 printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
1707 ioc->name, __func__);
1708 retval = mpt_HardResetHandler(ioc, CAN_SLEEP);
1709 mpt_free_msg_frame(ioc, mf);
1712 retval = (retval == 0) ? 0 : FAILED;
1713 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1716 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1719 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1721 switch (ioc->bus_type) {
1731 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1733 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1734 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1736 * (linux scsi_host_template.eh_abort_handler routine)
1738 * Returns SUCCESS or FAILED.
1741 mptscsih_abort(struct scsi_cmnd * SCpnt)
1748 VirtDevice *vdevice;
1749 ulong sn = SCpnt->serial_number;
1752 /* If we can't locate our host adapter structure, return FAILED status.
1754 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1755 SCpnt->result = DID_RESET << 16;
1756 SCpnt->scsi_done(SCpnt);
1757 printk(KERN_ERR MYNAM ": task abort: "
1758 "can't locate host! (sc=%p)\n", SCpnt);
1763 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1765 scsi_print_command(SCpnt);
1767 vdevice = SCpnt->device->hostdata;
1768 if (!vdevice || !vdevice->vtarget) {
1769 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1770 "task abort: device has been deleted (sc=%p)\n",
1772 SCpnt->result = DID_NO_CONNECT << 16;
1773 SCpnt->scsi_done(SCpnt);
1778 /* Task aborts are not supported for hidden raid components.
1780 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1781 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1782 "task abort: hidden raid component (sc=%p)\n",
1784 SCpnt->result = DID_RESET << 16;
1789 /* Find this command
1791 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1792 /* Cmd not found in ScsiLookup.
1795 SCpnt->result = DID_RESET << 16;
1796 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1797 "Command not in the active list! (sc=%p)\n", ioc->name,
1803 if (ioc->timeouts < -1)
1806 if (mpt_fwfault_debug)
1807 mpt_halt_firmware(ioc);
1809 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1810 * (the IO to be ABORT'd)
1812 * NOTE: Since we do not byteswap MsgContext, we do not
1813 * swap it here either. It is an opaque cookie to
1814 * the controller, so it does not matter. -DaveM
1816 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1817 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1818 retval = mptscsih_IssueTaskMgmt(hd,
1819 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1820 vdevice->vtarget->channel,
1821 vdevice->vtarget->id, vdevice->lun,
1822 ctx2abort, mptscsih_get_tm_timeout(ioc));
1824 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx &&
1825 SCpnt->serial_number == sn) {
1826 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1827 "task abort: command still in active list! (sc=%p)\n",
1831 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1832 "task abort: command cleared from active list! (sc=%p)\n",
1838 printk(MYIOC_s_INFO_FMT "task abort: %s (sc=%p)\n",
1839 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), SCpnt);
1844 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1846 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1847 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1849 * (linux scsi_host_template.eh_dev_reset_handler routine)
1851 * Returns SUCCESS or FAILED.
1854 mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1858 VirtDevice *vdevice;
1861 /* If we can't locate our host adapter structure, return FAILED status.
1863 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1864 printk(KERN_ERR MYNAM ": target reset: "
1865 "Can't locate host! (sc=%p)\n", SCpnt);
1870 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1872 scsi_print_command(SCpnt);
1874 vdevice = SCpnt->device->hostdata;
1875 if (!vdevice || !vdevice->vtarget) {
1880 /* Target reset to hidden raid component is not supported
1882 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1887 retval = mptscsih_IssueTaskMgmt(hd,
1888 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1889 vdevice->vtarget->channel,
1890 vdevice->vtarget->id, 0, 0,
1891 mptscsih_get_tm_timeout(ioc));
1894 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1895 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1904 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1906 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1907 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1909 * (linux scsi_host_template.eh_bus_reset_handler routine)
1911 * Returns SUCCESS or FAILED.
1914 mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1918 VirtDevice *vdevice;
1921 /* If we can't locate our host adapter structure, return FAILED status.
1923 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1924 printk(KERN_ERR MYNAM ": bus reset: "
1925 "Can't locate host! (sc=%p)\n", SCpnt);
1930 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1932 scsi_print_command(SCpnt);
1934 if (ioc->timeouts < -1)
1937 vdevice = SCpnt->device->hostdata;
1938 if (!vdevice || !vdevice->vtarget)
1940 retval = mptscsih_IssueTaskMgmt(hd,
1941 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1942 vdevice->vtarget->channel, 0, 0, 0,
1943 mptscsih_get_tm_timeout(ioc));
1945 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1946 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1954 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1956 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1957 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1959 * (linux scsi_host_template.eh_host_reset_handler routine)
1961 * Returns SUCCESS or FAILED.
1964 mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1967 int status = SUCCESS;
1971 /* If we can't locate the host to reset, then we failed. */
1972 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1973 printk(KERN_ERR MYNAM ": host reset: "
1974 "Can't locate host! (sc=%p)\n", SCpnt);
1978 /* make sure we have no outstanding commands at this stage */
1979 mptscsih_flush_running_cmds(hd);
1982 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1985 /* If our attempts to reset the host failed, then return a failed
1986 * status. The host will be taken off line by the SCSI mid-layer.
1988 retval = mpt_HardResetHandler(ioc, CAN_SLEEP);
1994 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1995 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
2001 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
2002 SCSITaskMgmtReply_t *pScsiTmReply)
2005 u32 termination_count;
2008 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
2013 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
2015 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2016 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
2018 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2019 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
2020 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
2021 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
2022 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
2023 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
2024 termination_count));
2026 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
2027 pScsiTmReply->ResponseCode)
2028 mptscsih_taskmgmt_response_code(ioc,
2029 pScsiTmReply->ResponseCode);
2031 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
2037 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
2038 if (termination_count == 1)
2043 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
2044 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2051 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2053 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2057 switch (response_code) {
2058 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2059 desc = "The task completed.";
2061 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2062 desc = "The IOC received an invalid frame status.";
2064 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2065 desc = "The task type is not supported.";
2067 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2068 desc = "The requested task failed.";
2070 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2071 desc = "The task completed successfully.";
2073 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2074 desc = "The LUN request is invalid.";
2076 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2077 desc = "The task is in the IOC queue and has not been sent to target.";
2083 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2084 ioc->name, response_code, desc);
2086 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2088 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2090 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2091 * @ioc: Pointer to MPT_ADAPTER structure
2092 * @mf: Pointer to SCSI task mgmt request frame
2093 * @mr: Pointer to SCSI task mgmt reply frame
2095 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2096 * of any SCSI task management request.
2097 * This routine is registered with the MPT (base) driver at driver
2098 * load/init time via the mpt_register() API call.
2100 * Returns 1 indicating alloc'd request frame ptr should be freed.
2103 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2106 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2107 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2109 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2114 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2115 memcpy(ioc->taskmgmt_cmds.reply, mr,
2116 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2118 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2119 mpt_clear_taskmgmt_in_progress_flag(ioc);
2120 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2121 complete(&ioc->taskmgmt_cmds.done);
2127 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2129 * This is anyones guess quite frankly.
2132 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2133 sector_t capacity, int geom[])
2143 dummy = heads * sectors;
2144 cylinders = capacity;
2145 sector_div(cylinders,dummy);
2148 * Handle extended translation size for logical drives
2151 if ((ulong)capacity >= 0x200000) {
2154 dummy = heads * sectors;
2155 cylinders = capacity;
2156 sector_div(cylinders,dummy);
2162 geom[2] = cylinders;
2167 /* Search IOC page 3 to determine if this is hidden physical disk
2171 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2173 struct inactive_raid_component_info *component_info;
2175 RaidPhysDiskPage1_t *phys_disk;
2179 if (!ioc->raid_data.pIocPg3)
2181 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2182 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2183 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2189 if (ioc->bus_type != SAS)
2193 * Check if dual path
2195 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2196 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2197 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2200 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2201 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2204 if ((mpt_raid_phys_disk_pg1(ioc,
2205 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2210 for (j = 0; j < num_paths; j++) {
2211 if ((phys_disk->Path[j].Flags &
2212 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2214 if ((phys_disk->Path[j].Flags &
2215 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2217 if ((id == phys_disk->Path[j].PhysDiskID) &&
2218 (channel == phys_disk->Path[j].PhysDiskBus)) {
2229 * Check inactive list for matching phys disks
2231 if (list_empty(&ioc->raid_data.inactive_list))
2234 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2235 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2237 if ((component_info->d.PhysDiskID == id) &&
2238 (component_info->d.PhysDiskBus == channel))
2241 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2246 EXPORT_SYMBOL(mptscsih_is_phys_disk);
2249 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2251 struct inactive_raid_component_info *component_info;
2253 RaidPhysDiskPage1_t *phys_disk;
2257 if (!ioc->raid_data.pIocPg3)
2259 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2260 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2261 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2262 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2267 if (ioc->bus_type != SAS)
2271 * Check if dual path
2273 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2274 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2275 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2278 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2279 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2282 if ((mpt_raid_phys_disk_pg1(ioc,
2283 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2288 for (j = 0; j < num_paths; j++) {
2289 if ((phys_disk->Path[j].Flags &
2290 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2292 if ((phys_disk->Path[j].Flags &
2293 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2295 if ((id == phys_disk->Path[j].PhysDiskID) &&
2296 (channel == phys_disk->Path[j].PhysDiskBus)) {
2297 rc = phys_disk->PhysDiskNum;
2306 * Check inactive list for matching phys disks
2308 if (list_empty(&ioc->raid_data.inactive_list))
2311 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2312 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2314 if ((component_info->d.PhysDiskID == id) &&
2315 (component_info->d.PhysDiskBus == channel))
2316 rc = component_info->d.PhysDiskNum;
2318 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2323 EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2326 * OS entry point to allow for host driver to free allocated memory
2327 * Called if no device present or device being unloaded
2330 mptscsih_slave_destroy(struct scsi_device *sdev)
2332 struct Scsi_Host *host = sdev->host;
2333 MPT_SCSI_HOST *hd = shost_priv(host);
2334 VirtTarget *vtarget;
2335 VirtDevice *vdevice;
2336 struct scsi_target *starget;
2338 starget = scsi_target(sdev);
2339 vtarget = starget->hostdata;
2340 vdevice = sdev->hostdata;
2342 mptscsih_search_running_cmds(hd, vdevice);
2343 vtarget->num_luns--;
2344 mptscsih_synchronize_cache(hd, vdevice);
2346 sdev->hostdata = NULL;
2349 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2351 * mptscsih_change_queue_depth - This function will set a devices queue depth
2352 * @sdev: per scsi_device pointer
2353 * @qdepth: requested queue depth
2355 * Adding support for new 'change_queue_depth' api.
2358 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
2360 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2361 VirtTarget *vtarget;
2362 struct scsi_target *starget;
2365 MPT_ADAPTER *ioc = hd->ioc;
2367 starget = scsi_target(sdev);
2368 vtarget = starget->hostdata;
2370 if (ioc->bus_type == SPI) {
2371 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2373 else if (sdev->type == TYPE_DISK &&
2374 vtarget->minSyncFactor <= MPT_ULTRA160)
2375 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2377 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2379 max_depth = ioc->sh->can_queue;
2381 if (!sdev->tagged_supported)
2384 if (qdepth > max_depth)
2389 tagged = MSG_SIMPLE_TAG;
2391 scsi_adjust_queue_depth(sdev, tagged, qdepth);
2392 return sdev->queue_depth;
2396 * OS entry point to adjust the queue_depths on a per-device basis.
2397 * Called once per device the bus scan. Use it to force the queue_depth
2398 * member to 1 if a device does not support Q tags.
2399 * Return non-zero if fails.
2402 mptscsih_slave_configure(struct scsi_device *sdev)
2404 struct Scsi_Host *sh = sdev->host;
2405 VirtTarget *vtarget;
2406 VirtDevice *vdevice;
2407 struct scsi_target *starget;
2408 MPT_SCSI_HOST *hd = shost_priv(sh);
2409 MPT_ADAPTER *ioc = hd->ioc;
2411 starget = scsi_target(sdev);
2412 vtarget = starget->hostdata;
2413 vdevice = sdev->hostdata;
2415 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2416 "device @ %p, channel=%d, id=%d, lun=%d\n",
2417 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2418 if (ioc->bus_type == SPI)
2419 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2420 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2421 ioc->name, sdev->sdtr, sdev->wdtr,
2422 sdev->ppr, sdev->inquiry_len));
2424 vdevice->configured_lun = 1;
2426 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2427 "Queue depth=%d, tflags=%x\n",
2428 ioc->name, sdev->queue_depth, vtarget->tflags));
2430 if (ioc->bus_type == SPI)
2431 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2432 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2433 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2434 vtarget->minSyncFactor));
2436 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
2437 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2438 "tagged %d, simple %d, ordered %d\n",
2439 ioc->name,sdev->tagged_supported, sdev->simple_tags,
2440 sdev->ordered_tags));
2442 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2447 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2449 * Private routines...
2452 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2453 /* Utility function to copy sense data from the scsi_cmnd buffer
2454 * to the FC and SCSI target structures.
2458 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2460 VirtDevice *vdevice;
2461 SCSIIORequest_t *pReq;
2462 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2463 MPT_ADAPTER *ioc = hd->ioc;
2465 /* Get target structure
2467 pReq = (SCSIIORequest_t *) mf;
2468 vdevice = sc->device->hostdata;
2474 /* Copy the sense received into the scsi command block. */
2475 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2476 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2477 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2479 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2481 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2482 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2485 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2486 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2487 ioc->events[idx].eventContext = ioc->eventContext;
2489 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2490 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2491 (sc->device->channel << 8) | sc->device->id;
2493 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2495 ioc->eventContext++;
2496 if (ioc->pcidev->vendor ==
2497 PCI_VENDOR_ID_IBM) {
2498 mptscsih_issue_sep_command(ioc,
2499 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2500 vdevice->vtarget->tflags |=
2501 MPT_TARGET_FLAGS_LED_ON;
2506 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2512 * mptscsih_get_scsi_lookup - retrieves scmd entry
2513 * @ioc: Pointer to MPT_ADAPTER structure
2514 * @i: index into the array
2516 * Returns the scsi_cmd pointer
2519 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2521 unsigned long flags;
2522 struct scsi_cmnd *scmd;
2524 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2525 scmd = ioc->ScsiLookup[i];
2526 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2530 EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2533 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2534 * @ioc: Pointer to MPT_ADAPTER structure
2535 * @i: index into the array
2537 * Returns the scsi_cmd pointer
2540 static struct scsi_cmnd *
2541 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2543 unsigned long flags;
2544 struct scsi_cmnd *scmd;
2546 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2547 scmd = ioc->ScsiLookup[i];
2548 ioc->ScsiLookup[i] = NULL;
2549 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2555 * mptscsih_set_scsi_lookup
2557 * writes a scmd entry into the ScsiLookup[] array list
2559 * @ioc: Pointer to MPT_ADAPTER structure
2560 * @i: index into the array
2561 * @scmd: scsi_cmnd pointer
2565 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2567 unsigned long flags;
2569 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2570 ioc->ScsiLookup[i] = scmd;
2571 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2575 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2576 * @ioc: Pointer to MPT_ADAPTER structure
2577 * @sc: scsi_cmnd pointer
2580 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2582 unsigned long flags;
2585 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2586 for (i = 0; i < ioc->req_depth; i++) {
2587 if (ioc->ScsiLookup[i] == sc) {
2594 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2598 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2600 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2604 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2607 hd = shost_priv(ioc->sh);
2608 switch (reset_phase) {
2609 case MPT_IOC_SETUP_RESET:
2610 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2611 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2613 case MPT_IOC_PRE_RESET:
2614 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2615 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2616 mptscsih_flush_running_cmds(hd);
2618 case MPT_IOC_POST_RESET:
2619 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2620 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2621 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2622 ioc->internal_cmds.status |=
2623 MPT_MGMT_STATUS_DID_IOCRESET;
2624 complete(&ioc->internal_cmds.done);
2630 return 1; /* currently means nothing really */
2633 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2635 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2637 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2639 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2640 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2643 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2644 event == MPI_EVENT_EXT_BUS_RESET) &&
2645 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2648 return 1; /* currently means nothing really */
2651 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2653 * Bus Scan and Domain Validation functionality ...
2656 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2658 * mptscsih_scandv_complete - Scan and DV callback routine registered
2659 * to Fustion MPT (base) driver.
2661 * @ioc: Pointer to MPT_ADAPTER structure
2662 * @mf: Pointer to original MPT request frame
2663 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2665 * This routine is called from mpt.c::mpt_interrupt() at the completion
2666 * of any SCSI IO request.
2667 * This routine is registered with the Fusion MPT (base) driver at driver
2668 * load/init time via the mpt_register() API call.
2670 * Returns 1 indicating alloc'd request frame ptr should be freed.
2672 * Remark: Sets a completion code and (possibly) saves sense data
2673 * in the IOC member localReply structure.
2674 * Used ONLY for DV and other internal commands.
2677 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2678 MPT_FRAME_HDR *reply)
2680 SCSIIORequest_t *pReq;
2681 SCSIIOReply_t *pReply;
2687 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2688 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2692 pReply = (SCSIIOReply_t *) reply;
2693 pReq = (SCSIIORequest_t *) req;
2694 ioc->internal_cmds.completion_code =
2695 mptscsih_get_completion_code(ioc, req, reply);
2696 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2697 memcpy(ioc->internal_cmds.reply, reply,
2698 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2699 cmd = reply->u.hdr.Function;
2700 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2701 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2702 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2703 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2704 sense_data = ((u8 *)ioc->sense_buf_pool +
2705 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2706 sz = min_t(int, pReq->SenseBufferLength,
2707 MPT_SENSE_BUFFER_ALLOC);
2708 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2711 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2713 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2714 complete(&ioc->internal_cmds.done);
2720 * mptscsih_get_completion_code -
2721 * @ioc: Pointer to MPT_ADAPTER structure
2722 * @req: Pointer to original MPT request frame
2723 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
2727 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2728 MPT_FRAME_HDR *reply)
2730 SCSIIOReply_t *pReply;
2731 MpiRaidActionReply_t *pr;
2734 int completion_code;
2736 pReply = (SCSIIOReply_t *)reply;
2737 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2738 scsi_status = pReply->SCSIStatus;
2740 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2741 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2742 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2743 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2747 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2748 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2751 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2752 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2753 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2754 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2755 completion_code = MPT_SCANDV_DID_RESET;
2758 case MPI_IOCSTATUS_BUSY:
2759 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2760 completion_code = MPT_SCANDV_BUSY;
2763 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2764 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2765 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2766 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2767 completion_code = MPT_SCANDV_GOOD;
2768 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2769 pr = (MpiRaidActionReply_t *)reply;
2770 if (le16_to_cpu(pr->ActionStatus) ==
2771 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2772 completion_code = MPT_SCANDV_GOOD;
2774 completion_code = MPT_SCANDV_SOME_ERROR;
2775 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2776 completion_code = MPT_SCANDV_SENSE;
2777 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2778 if (req->u.scsireq.CDB[0] == INQUIRY)
2779 completion_code = MPT_SCANDV_ISSUE_SENSE;
2781 completion_code = MPT_SCANDV_DID_RESET;
2782 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2783 completion_code = MPT_SCANDV_DID_RESET;
2784 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2785 completion_code = MPT_SCANDV_DID_RESET;
2786 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2787 completion_code = MPT_SCANDV_BUSY;
2789 completion_code = MPT_SCANDV_GOOD;
2792 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2793 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2794 completion_code = MPT_SCANDV_DID_RESET;
2796 completion_code = MPT_SCANDV_SOME_ERROR;
2799 completion_code = MPT_SCANDV_SOME_ERROR;
2802 } /* switch(status) */
2804 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2805 " completionCode set to %08xh\n", ioc->name, completion_code));
2806 return completion_code;
2809 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2811 * mptscsih_do_cmd - Do internal command.
2812 * @hd: MPT_SCSI_HOST pointer
2813 * @io: INTERNAL_CMD pointer.
2815 * Issue the specified internally generated command and do command
2816 * specific cleanup. For bus scan / DV only.
2817 * NOTES: If command is Inquiry and status is good,
2818 * initialize a target structure, save the data
2820 * Remark: Single threaded access only.
2823 * < 0 if an illegal command or no resources
2827 * > 0 if command complete but some type of completion error.
2830 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2833 SCSIIORequest_t *pScsiReq;
2834 int my_idx, ii, dir;
2837 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2839 MPT_ADAPTER *ioc = hd->ioc;
2841 unsigned long timeleft;
2842 unsigned long flags;
2844 /* don't send internal command during diag reset */
2845 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2846 if (ioc->ioc_reset_in_progress) {
2847 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2848 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2849 "%s: busy with host reset\n", ioc->name, __func__));
2850 return MPT_SCANDV_BUSY;
2852 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2854 mutex_lock(&ioc->internal_cmds.mutex);
2856 /* Set command specific information
2861 dir = MPI_SCSIIO_CONTROL_READ;
2867 case TEST_UNIT_READY:
2869 dir = MPI_SCSIIO_CONTROL_READ;
2875 dir = MPI_SCSIIO_CONTROL_READ;
2877 CDB[4] = 1; /*Spin up the disk */
2885 dir = MPI_SCSIIO_CONTROL_READ;
2891 dir = MPI_SCSIIO_CONTROL_READ;
2893 if (io->flags & MPT_ICFLAG_ECHO) {
2899 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2902 CDB[6] = (io->size >> 16) & 0xFF;
2903 CDB[7] = (io->size >> 8) & 0xFF;
2904 CDB[8] = io->size & 0xFF;
2910 dir = MPI_SCSIIO_CONTROL_WRITE;
2912 if (io->flags & MPT_ICFLAG_ECHO) {
2917 CDB[6] = (io->size >> 16) & 0xFF;
2918 CDB[7] = (io->size >> 8) & 0xFF;
2919 CDB[8] = io->size & 0xFF;
2925 dir = MPI_SCSIIO_CONTROL_READ;
2932 dir = MPI_SCSIIO_CONTROL_READ;
2937 case SYNCHRONIZE_CACHE:
2939 dir = MPI_SCSIIO_CONTROL_READ;
2941 // CDB[1] = 0x02; /* set immediate bit */
2951 /* Get and Populate a free Frame
2952 * MsgContext set in mpt_get_msg_frame call
2954 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
2955 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2956 ioc->name, __func__));
2957 ret = MPT_SCANDV_BUSY;
2961 pScsiReq = (SCSIIORequest_t *) mf;
2963 /* Get the request index */
2964 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2965 ADD_INDEX_LOG(my_idx); /* for debug */
2967 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2968 pScsiReq->TargetID = io->physDiskNum;
2970 pScsiReq->ChainOffset = 0;
2971 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2973 pScsiReq->TargetID = io->id;
2974 pScsiReq->Bus = io->channel;
2975 pScsiReq->ChainOffset = 0;
2976 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2979 pScsiReq->CDBLength = cmdLen;
2980 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2982 pScsiReq->Reserved = 0;
2984 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
2985 /* MsgContext set in mpt_get_msg_fram call */
2987 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
2989 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2990 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
2992 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2994 if (cmd == REQUEST_SENSE) {
2995 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2996 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2997 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
3000 for (ii = 0; ii < 16; ii++)
3001 pScsiReq->CDB[ii] = CDB[ii];
3003 pScsiReq->DataLength = cpu_to_le32(io->size);
3004 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
3005 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
3007 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3008 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n",
3009 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
3011 if (dir == MPI_SCSIIO_CONTROL_READ)
3012 ioc->add_sge((char *) &pScsiReq->SGL,
3013 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
3015 ioc->add_sge((char *) &pScsiReq->SGL,
3016 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
3018 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
3019 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
3020 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
3022 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
3023 ret = MPT_SCANDV_DID_RESET;
3024 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3025 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
3027 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
3028 mpt_free_msg_frame(ioc, mf);
3032 printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
3033 ioc->name, __func__);
3034 mpt_HardResetHandler(ioc, CAN_SLEEP);
3035 mpt_free_msg_frame(ioc, mf);
3040 ret = ioc->internal_cmds.completion_code;
3041 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
3042 ioc->name, __func__, ret));
3045 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
3046 mutex_unlock(&ioc->internal_cmds.mutex);
3050 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3052 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3053 * @hd: Pointer to a SCSI HOST structure
3054 * @vdevice: virtual target device
3056 * Uses the ISR, but with special processing.
3057 * MUST be single-threaded.
3061 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3065 /* Ignore hidden raid components, this is handled when the command
3066 * is sent to the volume
3068 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3071 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3072 !vdevice->configured_lun)
3075 /* Following parameters will not change
3078 iocmd.cmd = SYNCHRONIZE_CACHE;
3080 iocmd.physDiskNum = -1;
3082 iocmd.data_dma = -1;
3084 iocmd.rsvd = iocmd.rsvd2 = 0;
3085 iocmd.channel = vdevice->vtarget->channel;
3086 iocmd.id = vdevice->vtarget->id;
3087 iocmd.lun = vdevice->lun;
3089 mptscsih_do_cmd(hd, &iocmd);
3093 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3096 struct Scsi_Host *host = class_to_shost(dev);
3097 MPT_SCSI_HOST *hd = shost_priv(host);
3098 MPT_ADAPTER *ioc = hd->ioc;
3100 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3101 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3102 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3103 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3104 ioc->facts.FWVersion.Word & 0x000000FF);
3106 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3109 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3112 struct Scsi_Host *host = class_to_shost(dev);
3113 MPT_SCSI_HOST *hd = shost_priv(host);
3114 MPT_ADAPTER *ioc = hd->ioc;
3116 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3117 (ioc->biosVersion & 0xFF000000) >> 24,
3118 (ioc->biosVersion & 0x00FF0000) >> 16,
3119 (ioc->biosVersion & 0x0000FF00) >> 8,
3120 ioc->biosVersion & 0x000000FF);
3122 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3125 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3128 struct Scsi_Host *host = class_to_shost(dev);
3129 MPT_SCSI_HOST *hd = shost_priv(host);
3130 MPT_ADAPTER *ioc = hd->ioc;
3132 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3134 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3137 mptscsih_version_product_show(struct device *dev,
3138 struct device_attribute *attr,
3141 struct Scsi_Host *host = class_to_shost(dev);
3142 MPT_SCSI_HOST *hd = shost_priv(host);
3143 MPT_ADAPTER *ioc = hd->ioc;
3145 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3147 static DEVICE_ATTR(version_product, S_IRUGO,
3148 mptscsih_version_product_show, NULL);
3151 mptscsih_version_nvdata_persistent_show(struct device *dev,
3152 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, "%02xh\n",
3160 ioc->nvdata_version_persistent);
3162 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3163 mptscsih_version_nvdata_persistent_show, NULL);
3166 mptscsih_version_nvdata_default_show(struct device *dev,
3167 struct device_attribute *attr, char *buf)
3169 struct Scsi_Host *host = class_to_shost(dev);
3170 MPT_SCSI_HOST *hd = shost_priv(host);
3171 MPT_ADAPTER *ioc = hd->ioc;
3173 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3175 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3176 mptscsih_version_nvdata_default_show, NULL);
3179 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3182 struct Scsi_Host *host = class_to_shost(dev);
3183 MPT_SCSI_HOST *hd = shost_priv(host);
3184 MPT_ADAPTER *ioc = hd->ioc;
3186 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3188 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3191 mptscsih_board_assembly_show(struct device *dev,
3192 struct device_attribute *attr, char *buf)
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, "%s\n", ioc->board_assembly);
3200 static DEVICE_ATTR(board_assembly, S_IRUGO,
3201 mptscsih_board_assembly_show, NULL);
3204 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3207 struct Scsi_Host *host = class_to_shost(dev);
3208 MPT_SCSI_HOST *hd = shost_priv(host);
3209 MPT_ADAPTER *ioc = hd->ioc;
3211 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3213 static DEVICE_ATTR(board_tracer, S_IRUGO,
3214 mptscsih_board_tracer_show, NULL);
3217 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3220 struct Scsi_Host *host = class_to_shost(dev);
3221 MPT_SCSI_HOST *hd = shost_priv(host);
3222 MPT_ADAPTER *ioc = hd->ioc;
3224 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3226 static DEVICE_ATTR(io_delay, S_IRUGO,
3227 mptscsih_io_delay_show, NULL);
3230 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3233 struct Scsi_Host *host = class_to_shost(dev);
3234 MPT_SCSI_HOST *hd = shost_priv(host);
3235 MPT_ADAPTER *ioc = hd->ioc;
3237 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3239 static DEVICE_ATTR(device_delay, S_IRUGO,
3240 mptscsih_device_delay_show, NULL);
3243 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3246 struct Scsi_Host *host = class_to_shost(dev);
3247 MPT_SCSI_HOST *hd = shost_priv(host);
3248 MPT_ADAPTER *ioc = hd->ioc;
3250 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3253 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3254 const char *buf, size_t count)
3256 struct Scsi_Host *host = class_to_shost(dev);
3257 MPT_SCSI_HOST *hd = shost_priv(host);
3258 MPT_ADAPTER *ioc = hd->ioc;
3261 if (sscanf(buf, "%x", &val) != 1)
3264 ioc->debug_level = val;
3265 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3266 ioc->name, ioc->debug_level);
3269 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3270 mptscsih_debug_level_show, mptscsih_debug_level_store);
3272 struct device_attribute *mptscsih_host_attrs[] = {
3273 &dev_attr_version_fw,
3274 &dev_attr_version_bios,
3275 &dev_attr_version_mpi,
3276 &dev_attr_version_product,
3277 &dev_attr_version_nvdata_persistent,
3278 &dev_attr_version_nvdata_default,
3279 &dev_attr_board_name,
3280 &dev_attr_board_assembly,
3281 &dev_attr_board_tracer,
3283 &dev_attr_device_delay,
3284 &dev_attr_debug_level,
3288 EXPORT_SYMBOL(mptscsih_host_attrs);
3290 EXPORT_SYMBOL(mptscsih_remove);
3291 EXPORT_SYMBOL(mptscsih_shutdown);
3293 EXPORT_SYMBOL(mptscsih_suspend);
3294 EXPORT_SYMBOL(mptscsih_resume);
3296 EXPORT_SYMBOL(mptscsih_proc_info);
3297 EXPORT_SYMBOL(mptscsih_info);
3298 EXPORT_SYMBOL(mptscsih_qcmd);
3299 EXPORT_SYMBOL(mptscsih_slave_destroy);
3300 EXPORT_SYMBOL(mptscsih_slave_configure);
3301 EXPORT_SYMBOL(mptscsih_abort);
3302 EXPORT_SYMBOL(mptscsih_dev_reset);
3303 EXPORT_SYMBOL(mptscsih_bus_reset);
3304 EXPORT_SYMBOL(mptscsih_host_reset);
3305 EXPORT_SYMBOL(mptscsih_bios_param);
3306 EXPORT_SYMBOL(mptscsih_io_done);
3307 EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3308 EXPORT_SYMBOL(mptscsih_scandv_complete);
3309 EXPORT_SYMBOL(mptscsih_event_process);
3310 EXPORT_SYMBOL(mptscsih_ioc_reset);
3311 EXPORT_SYMBOL(mptscsih_change_queue_depth);
3313 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/