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 int 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);
121 #define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE
124 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
126 * mptscsih_getFreeChainBuffer - Function to get a free chain
127 * from the MPT_SCSI_HOST FreeChainQ.
128 * @ioc: Pointer to MPT_ADAPTER structure
129 * @req_idx: Index of the SCSI IO request frame. (output)
131 * return SUCCESS or FAILED
134 mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
136 MPT_FRAME_HDR *chainBuf;
141 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
143 spin_lock_irqsave(&ioc->FreeQlock, flags);
144 if (!list_empty(&ioc->FreeChainQ)) {
147 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
148 u.frame.linkage.list);
149 list_del(&chainBuf->u.frame.linkage.list);
150 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
151 chain_idx = offset / ioc->req_sz;
153 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
154 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
155 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
158 chain_idx = MPT_HOST_NO_CHAIN;
159 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
162 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
164 *retIndex = chain_idx;
166 } /* mptscsih_getFreeChainBuffer() */
168 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
170 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
171 * SCSIIORequest_t Message Frame.
172 * @ioc: Pointer to MPT_ADAPTER structure
173 * @SCpnt: Pointer to scsi_cmnd structure
174 * @pReq: Pointer to SCSIIORequest_t structure
179 mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
180 SCSIIORequest_t *pReq, int req_idx)
184 struct scatterlist *sg;
186 int sges_left, sg_done;
187 int chain_idx = MPT_HOST_NO_CHAIN;
189 int numSgeSlots, numSgeThisFrame;
190 u32 sgflags, sgdir, thisxfer = 0;
191 int chain_dma_off = 0;
197 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
198 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
199 sgdir = MPT_TRANSFER_HOST_TO_IOC;
201 sgdir = MPT_TRANSFER_IOC_TO_HOST;
204 psge = (char *) &pReq->SGL;
205 frm_sz = ioc->req_sz;
207 /* Map the data portion, if any.
208 * sges_left = 0 if no data transfer.
210 sges_left = scsi_dma_map(SCpnt);
214 /* Handle the SG case.
216 sg = scsi_sglist(SCpnt);
218 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
221 /* Prior to entering this loop - the following must be set
222 * current MF: sgeOffset (bytes)
223 * chainSge (Null if original MF is not a chain buffer)
224 * sg_done (num SGE done for this MF)
228 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
229 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
231 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
233 /* Get first (num - 1) SG elements
234 * Skip any SG entries with a length of 0
235 * NOTE: at finish, sg and psge pointed to NEXT data/location positions
237 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
238 thisxfer = sg_dma_len(sg);
240 /* Get next SG element from the OS */
246 v2 = sg_dma_address(sg);
247 ioc->add_sge(psge, sgflags | thisxfer, v2);
249 /* Get next SG element from the OS */
251 psge += ioc->SGE_size;
252 sgeOffset += ioc->SGE_size;
256 if (numSgeThisFrame == sges_left) {
257 /* Add last element, end of buffer and end of list flags.
259 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
260 MPT_SGE_FLAGS_END_OF_BUFFER |
261 MPT_SGE_FLAGS_END_OF_LIST;
263 /* Add last SGE and set termination flags.
264 * Note: Last SGE may have a length of 0 - which should be ok.
266 thisxfer = sg_dma_len(sg);
268 v2 = sg_dma_address(sg);
269 ioc->add_sge(psge, sgflags | thisxfer, v2);
270 sgeOffset += ioc->SGE_size;
274 /* The current buffer is a chain buffer,
275 * but there is not another one.
276 * Update the chain element
277 * Offset and Length fields.
279 ioc->add_chain((char *)chainSge, 0, sgeOffset,
280 ioc->ChainBufferDMA + chain_dma_off);
282 /* The current buffer is the original MF
283 * and there is no Chain buffer.
285 pReq->ChainOffset = 0;
286 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
287 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
288 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
289 ioc->RequestNB[req_idx] = RequestNB;
292 /* At least one chain buffer is needed.
293 * Complete the first MF
294 * - last SGE element, set the LastElement bit
295 * - set ChainOffset (words) for orig MF
296 * (OR finish previous MF chain buffer)
297 * - update MFStructPtr ChainIndex
298 * - Populate chain element
303 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
304 ioc->name, sg_done));
306 /* Set LAST_ELEMENT flag for last non-chain element
307 * in the buffer. Since psge points at the NEXT
308 * SGE element, go back one SGE element, update the flags
309 * and reset the pointer. (Note: sgflags & thisxfer are already
313 u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
314 sgflags = le32_to_cpu(*ptmp);
315 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
316 *ptmp = cpu_to_le32(sgflags);
320 /* The current buffer is a chain buffer.
321 * chainSge points to the previous Chain Element.
322 * Update its chain element Offset and Length (must
323 * include chain element size) fields.
324 * Old chain element is now complete.
326 u8 nextChain = (u8) (sgeOffset >> 2);
327 sgeOffset += ioc->SGE_size;
328 ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
329 ioc->ChainBufferDMA + chain_dma_off);
331 /* The original MF buffer requires a chain buffer -
333 * Last element in this MF is a chain element.
335 pReq->ChainOffset = (u8) (sgeOffset >> 2);
336 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
337 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
338 ioc->RequestNB[req_idx] = RequestNB;
341 sges_left -= sg_done;
344 /* NOTE: psge points to the beginning of the chain element
345 * in current buffer. Get a chain buffer.
347 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
348 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
349 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
350 ioc->name, pReq->CDB[0], SCpnt));
354 /* Update the tracking arrays.
355 * If chainSge == NULL, update ReqToChain, else ChainToChain
358 ioc->ChainToChain[chain_idx] = newIndex;
360 ioc->ReqToChain[req_idx] = newIndex;
362 chain_idx = newIndex;
363 chain_dma_off = ioc->req_sz * chain_idx;
365 /* Populate the chainSGE for the current buffer.
366 * - Set chain buffer pointer to psge and fill
367 * out the Address and Flags fields.
369 chainSge = (char *) psge;
370 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
371 ioc->name, psge, req_idx));
373 /* Start the SGE for the next buffer
375 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
379 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
380 ioc->name, psge, chain_idx));
382 /* Start the SGE for the next buffer
389 } /* mptscsih_AddSGE() */
392 mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
396 SEPRequest_t *SEPMsg;
398 if (ioc->bus_type != SAS)
401 /* Not supported for hidden raid components
403 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
406 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
407 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
408 ioc->name,__func__));
412 SEPMsg = (SEPRequest_t *)mf;
413 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
414 SEPMsg->Bus = vtarget->channel;
415 SEPMsg->TargetID = vtarget->id;
416 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
417 SEPMsg->SlotStatus = SlotStatus;
418 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
419 "Sending SEP cmd=%x channel=%d id=%d\n",
420 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
421 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
424 #ifdef CONFIG_FUSION_LOGGING
426 * mptscsih_info_scsiio - debug print info on reply frame
427 * @ioc: Pointer to MPT_ADAPTER structure
428 * @sc: original scsi cmnd pointer
429 * @pScsiReply: Pointer to MPT reply frame
431 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
433 * Refer to lsi/mpi.h.
436 mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
443 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
445 switch (ioc_status) {
447 case MPI_IOCSTATUS_SUCCESS:
450 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
451 desc = "invalid bus";
453 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
454 desc = "invalid target_id";
456 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
457 desc = "device not there";
459 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
460 desc = "data overrun";
462 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
463 desc = "data underrun";
465 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
466 desc = "I/O data error";
468 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
469 desc = "protocol error";
471 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
472 desc = "task terminated";
474 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
475 desc = "residual mismatch";
477 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
478 desc = "task management failed";
480 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
481 desc = "IOC terminated";
483 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
484 desc = "ext terminated";
491 switch (pScsiReply->SCSIStatus)
494 case MPI_SCSI_STATUS_SUCCESS:
497 case MPI_SCSI_STATUS_CHECK_CONDITION:
498 desc1 = "check condition";
500 case MPI_SCSI_STATUS_CONDITION_MET:
501 desc1 = "condition met";
503 case MPI_SCSI_STATUS_BUSY:
506 case MPI_SCSI_STATUS_INTERMEDIATE:
507 desc1 = "intermediate";
509 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
510 desc1 = "intermediate condmet";
512 case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
513 desc1 = "reservation conflict";
515 case MPI_SCSI_STATUS_COMMAND_TERMINATED:
516 desc1 = "command terminated";
518 case MPI_SCSI_STATUS_TASK_SET_FULL:
519 desc1 = "task set full";
521 case MPI_SCSI_STATUS_ACA_ACTIVE:
522 desc1 = "aca active";
524 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
525 desc1 = "fcpext device logged out";
527 case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
528 desc1 = "fcpext no link";
530 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
531 desc1 = "fcpext unassigned";
538 scsi_print_command(sc);
539 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %d\n",
540 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
541 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
542 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
544 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
545 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
546 le32_to_cpu(pScsiReply->TransferCount), sc->result);
548 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
549 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
550 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
551 pScsiReply->SCSIState);
553 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
554 skey = sc->sense_buffer[2] & 0x0F;
555 asc = sc->sense_buffer[12];
556 ascq = sc->sense_buffer[13];
558 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
559 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
563 * Look for + dump FCP ResponseInfo[]!
565 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
566 pScsiReply->ResponseInfo)
567 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
568 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
572 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
574 * mptscsih_io_done - Main SCSI IO callback routine registered to
575 * Fusion MPT (base) driver
576 * @ioc: Pointer to MPT_ADAPTER structure
577 * @mf: Pointer to original MPT request frame
578 * @r: Pointer to MPT reply frame (NULL if TurboReply)
580 * This routine is called from mpt.c::mpt_interrupt() at the completion
581 * of any SCSI IO request.
582 * This routine is registered with the Fusion MPT (base) driver at driver
583 * load/init time via the mpt_register() API call.
585 * Returns 1 indicating alloc'd request frame ptr should be freed.
588 mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
590 struct scsi_cmnd *sc;
592 SCSIIORequest_t *pScsiReq;
593 SCSIIOReply_t *pScsiReply;
594 u16 req_idx, req_idx_MR;
598 hd = shost_priv(ioc->sh);
599 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
600 req_idx_MR = (mr != NULL) ?
601 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
603 /* Special case, where already freed message frame is received from
604 * Firmware. It happens with Resetting IOC.
605 * Return immediately. Do not care
607 if ((req_idx != req_idx_MR) ||
608 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
611 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
613 MPIHeader_t *hdr = (MPIHeader_t *)mf;
615 /* Remark: writeSDP1 will use the ScsiDoneCtx
616 * If a SCSI I/O cmd, device disabled by OS and
617 * completion done. Cannot touch sc struct. Just free mem.
619 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
620 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
623 mptscsih_freeChainBuffers(ioc, req_idx);
627 if ((unsigned char *)mf != sc->host_scribble) {
628 mptscsih_freeChainBuffers(ioc, req_idx);
632 if (ioc->bus_type == SAS) {
633 VirtDevice *vdevice = sc->device->hostdata;
635 if (!vdevice || !vdevice->vtarget ||
636 vdevice->vtarget->deleted) {
637 sc->result = DID_NO_CONNECT << 16;
642 sc->host_scribble = NULL;
643 sc->result = DID_OK << 16; /* Set default reply as OK */
644 pScsiReq = (SCSIIORequest_t *) mf;
645 pScsiReply = (SCSIIOReply_t *) mr;
647 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
648 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
649 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
650 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
652 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
653 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
654 ioc->name, mf, mr, sc, req_idx));
657 if (pScsiReply == NULL) {
658 /* special context reply handling */
663 u8 scsi_state, scsi_status;
666 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
667 scsi_state = pScsiReply->SCSIState;
668 scsi_status = pScsiReply->SCSIStatus;
669 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
670 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
671 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
674 * if we get a data underrun indication, yet no data was
675 * transferred and the SCSI status indicates that the
676 * command was never started, change the data underrun
679 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
680 (scsi_status == MPI_SCSI_STATUS_BUSY ||
681 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
682 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
683 status = MPI_IOCSTATUS_SUCCESS;
686 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
687 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
690 * Look for + dump FCP ResponseInfo[]!
692 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
693 pScsiReply->ResponseInfo) {
694 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%d] "
695 "FCP_ResponseInfo=%08xh\n", ioc->name,
696 sc->device->host->host_no, sc->device->channel,
697 sc->device->id, sc->device->lun,
698 le32_to_cpu(pScsiReply->ResponseInfo));
702 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
703 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
705 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
706 * But not: DID_BUS_BUSY lest one risk
707 * killing interrupt handler:-(
709 sc->result = SAM_STAT_BUSY;
712 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
713 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
714 sc->result = DID_BAD_TARGET << 16;
717 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
718 /* Spoof to SCSI Selection Timeout! */
719 if (ioc->bus_type != FC)
720 sc->result = DID_NO_CONNECT << 16;
721 /* else fibre, just stall until rescan event */
723 sc->result = DID_REQUEUE << 16;
725 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
726 hd->sel_timeout[pScsiReq->TargetID]++;
728 vdevice = sc->device->hostdata;
731 vtarget = vdevice->vtarget;
732 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
733 mptscsih_issue_sep_command(ioc, vtarget,
734 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
735 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
739 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
740 if ( ioc->bus_type == SAS ) {
741 u16 ioc_status = le16_to_cpu(pScsiReply->IOCStatus);
742 if (ioc_status & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
743 if ((log_info & SAS_LOGINFO_MASK)
744 == SAS_LOGINFO_NEXUS_LOSS) {
745 sc->result = (DID_BUS_BUSY << 16);
749 } else if (ioc->bus_type == FC) {
751 * The FC IOC may kill a request for variety of
752 * reasons, some of which may be recovered by a
753 * retry, some which are unlikely to be
754 * recovered. Return DID_ERROR instead of
755 * DID_RESET to permit retry of the command,
756 * just not an infinite number of them
758 sc->result = DID_ERROR << 16;
763 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
766 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
767 /* Linux handles an unsolicited DID_RESET better
768 * than an unsolicited DID_ABORT.
770 sc->result = DID_RESET << 16;
772 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
773 if (ioc->bus_type == FC)
774 sc->result = DID_ERROR << 16;
776 sc->result = DID_RESET << 16;
779 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
780 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
781 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
782 sc->result=DID_SOFT_ERROR << 16;
783 else /* Sufficient data transfer occurred */
784 sc->result = (DID_OK << 16) | scsi_status;
785 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
786 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
787 ioc->name, sc->result, sc->device->channel, sc->device->id));
790 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
792 * Do upfront check for valid SenseData and give it
795 sc->result = (DID_OK << 16) | scsi_status;
796 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
799 * For an Errata on LSI53C1030
800 * When the length of request data
801 * and transfer data are different
802 * with result of command (READ or VERIFY),
803 * DID_SOFT_ERROR is set.
805 if (ioc->bus_type == SPI) {
806 if (pScsiReq->CDB[0] == READ_6 ||
807 pScsiReq->CDB[0] == READ_10 ||
808 pScsiReq->CDB[0] == READ_12 ||
809 pScsiReq->CDB[0] == READ_16 ||
810 pScsiReq->CDB[0] == VERIFY ||
811 pScsiReq->CDB[0] == VERIFY_16) {
812 if (scsi_bufflen(sc) !=
815 DID_SOFT_ERROR << 16;
816 printk(KERN_WARNING "Errata"
817 "on LSI53C1030 occurred."
818 "sc->req_bufflen=0x%02x,"
826 if (xfer_cnt < sc->underflow) {
827 if (scsi_status == SAM_STAT_BUSY)
828 sc->result = SAM_STAT_BUSY;
830 sc->result = DID_SOFT_ERROR << 16;
832 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
835 sc->result = DID_SOFT_ERROR << 16;
837 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
838 /* Not real sure here either... */
839 sc->result = DID_RESET << 16;
844 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
845 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
846 ioc->name, sc->underflow));
847 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
848 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
852 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
853 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
857 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
858 scsi_set_resid(sc, 0);
859 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
860 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
861 sc->result = (DID_OK << 16) | scsi_status;
862 if (scsi_state == 0) {
864 } else if (scsi_state &
865 MPI_SCSI_STATE_AUTOSENSE_VALID) {
868 * For potential trouble on LSI53C1030.
870 * It is checked whether the length of
871 * request data is equal to
872 * the length of transfer and residual.
873 * MEDIUM_ERROR is set by incorrect data.
875 if ((ioc->bus_type == SPI) &&
876 (sc->sense_buffer[2] & 0x20)) {
879 sc->sense_buffer[3] << 24 |
880 sc->sense_buffer[4] << 16 |
881 sc->sense_buffer[5] << 8 |
883 if (((sc->sense_buffer[3] & 0x80) ==
884 0x80) && (scsi_bufflen(sc)
886 sc->sense_buffer[2] =
888 sc->sense_buffer[12] = 0xff;
889 sc->sense_buffer[13] = 0xff;
890 printk(KERN_WARNING"Errata"
891 "on LSI53C1030 occurred."
892 "sc->req_bufflen=0x%02x,"
893 "xfer_cnt=0x%02x\n" ,
897 if (((sc->sense_buffer[3] & 0x80)
900 xfer_cnt + difftransfer)) {
901 sc->sense_buffer[2] =
903 sc->sense_buffer[12] = 0xff;
904 sc->sense_buffer[13] = 0xff;
906 "Errata on LSI53C1030 occurred"
907 "sc->req_bufflen=0x%02x,"
909 "difftransfer=0x%02x\n",
917 * If running against circa 200003dd 909 MPT f/w,
918 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
919 * (QUEUE_FULL) returned from device! --> get 0x0000?128
920 * and with SenseBytes set to 0.
922 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
923 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
926 else if (scsi_state &
927 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
932 sc->result = DID_SOFT_ERROR << 16;
934 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
935 /* Not real sure here either... */
936 sc->result = DID_RESET << 16;
938 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
939 /* Device Inq. data indicates that it supports
940 * QTags, but rejects QTag messages.
941 * This command completed OK.
943 * Not real sure here either so do nothing... */
946 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
947 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
950 * Reservation Conflict, Busy,
951 * Command Terminated, CHECK
955 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
956 sc->result = DID_SOFT_ERROR << 16;
959 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
960 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
961 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
962 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
963 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
964 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
965 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
966 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
971 sc->result = DID_SOFT_ERROR << 16;
974 } /* switch(status) */
976 #ifdef CONFIG_FUSION_LOGGING
977 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
978 mptscsih_info_scsiio(ioc, sc, pScsiReply);
981 } /* end of address reply case */
983 /* Unmap the DMA buffers, if any. */
986 sc->scsi_done(sc); /* Issue the command callback */
988 /* Free Chain buffers */
989 mptscsih_freeChainBuffers(ioc, req_idx);
994 * mptscsih_flush_running_cmds - For each command found, search
995 * Scsi_Host instance taskQ and reply to OS.
996 * Called only if recovering from a FW reload.
997 * @hd: Pointer to a SCSI HOST structure
1001 * Must be called while new I/Os are being queued.
1004 mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1006 MPT_ADAPTER *ioc = hd->ioc;
1007 struct scsi_cmnd *sc;
1008 SCSIIORequest_t *mf = NULL;
1012 for (ii= 0; ii < ioc->req_depth; ii++) {
1013 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1016 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1021 mptscsih_freeChainBuffers(ioc, ii);
1022 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1023 if ((unsigned char *)mf != sc->host_scribble)
1026 sc->result = DID_RESET << 16;
1027 sc->host_scribble = NULL;
1028 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1029 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1030 "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
1036 * mptscsih_search_running_cmds - Delete any commands associated
1037 * with the specified target and lun. Function called only
1038 * when a lun is disable by mid-layer.
1039 * Do NOT access the referenced scsi_cmnd structure or
1040 * members. Will cause either a paging or NULL ptr error.
1041 * (BUT, BUT, BUT, the code does reference it! - mdr)
1042 * @hd: Pointer to a SCSI HOST structure
1043 * @vdevice: per device private data
1047 * Called from slave_destroy.
1050 mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1052 SCSIIORequest_t *mf = NULL;
1054 struct scsi_cmnd *sc;
1055 struct scsi_lun lun;
1056 MPT_ADAPTER *ioc = hd->ioc;
1057 unsigned long flags;
1059 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1060 for (ii = 0; ii < ioc->req_depth; ii++) {
1061 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
1063 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1066 /* If the device is a hidden raid component, then its
1067 * expected that the mf->function will be RAID_SCSI_IO
1069 if (vdevice->vtarget->tflags &
1070 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1071 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1074 int_to_scsilun(vdevice->lun, &lun);
1075 if ((mf->Bus != vdevice->vtarget->channel) ||
1076 (mf->TargetID != vdevice->vtarget->id) ||
1077 memcmp(lun.scsi_lun, mf->LUN, 8))
1080 if ((unsigned char *)mf != sc->host_scribble)
1082 ioc->ScsiLookup[ii] = NULL;
1083 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1084 mptscsih_freeChainBuffers(ioc, ii);
1085 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1087 sc->host_scribble = NULL;
1088 sc->result = DID_NO_CONNECT << 16;
1089 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1090 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1091 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1092 vdevice->vtarget->channel, vdevice->vtarget->id,
1095 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1098 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1102 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1104 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1106 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
1107 * from a SCSI target device.
1108 * @sc: Pointer to scsi_cmnd structure
1109 * @pScsiReply: Pointer to SCSIIOReply_t
1110 * @pScsiReq: Pointer to original SCSI request
1112 * This routine periodically reports QUEUE_FULL status returned from a
1113 * SCSI target device. It reports this to the console via kernel
1114 * printk() API call, not more than once every 10 seconds.
1117 mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1119 long time = jiffies;
1123 if (sc->device == NULL)
1125 if (sc->device->host == NULL)
1127 if ((hd = shost_priv(sc->device->host)) == NULL)
1130 if (time - hd->last_queue_full > 10 * HZ) {
1131 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n",
1132 ioc->name, 0, sc->device->id, sc->device->lun));
1133 hd->last_queue_full = time;
1137 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1139 * mptscsih_remove - Removed scsi devices
1140 * @pdev: Pointer to pci_dev structure
1145 mptscsih_remove(struct pci_dev *pdev)
1147 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1148 struct Scsi_Host *host = ioc->sh;
1157 scsi_remove_host(host);
1159 if((hd = shost_priv(host)) == NULL)
1162 mptscsih_shutdown(pdev);
1166 if (ioc->ScsiLookup != NULL) {
1167 sz1 = ioc->req_depth * sizeof(void *);
1168 kfree(ioc->ScsiLookup);
1169 ioc->ScsiLookup = NULL;
1172 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1173 "Free'd ScsiLookup (%d) memory\n",
1176 kfree(hd->info_kbuf);
1178 /* NULL the Scsi_Host pointer
1182 scsi_host_put(host);
1188 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1190 * mptscsih_shutdown - reboot notifier
1194 mptscsih_shutdown(struct pci_dev *pdev)
1199 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1201 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1206 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1208 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1210 scsi_block_requests(ioc->sh);
1211 flush_scheduled_work();
1212 mptscsih_shutdown(pdev);
1213 return mpt_suspend(pdev,state);
1216 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1218 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1223 mptscsih_resume(struct pci_dev *pdev)
1225 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1228 rc = mpt_resume(pdev);
1229 scsi_unblock_requests(ioc->sh);
1235 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1237 * mptscsih_info - Return information about MPT adapter
1238 * @SChost: Pointer to Scsi_Host structure
1240 * (linux scsi_host_template.info routine)
1242 * Returns pointer to buffer where information was written.
1245 mptscsih_info(struct Scsi_Host *SChost)
1250 h = shost_priv(SChost);
1253 if (h->info_kbuf == NULL)
1254 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1255 return h->info_kbuf;
1256 h->info_kbuf[0] = '\0';
1258 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1259 h->info_kbuf[size-1] = '\0';
1262 return h->info_kbuf;
1273 mptscsih_copy_mem_info(struct info_str *info, char *data, int len)
1275 if (info->pos + len > info->length)
1276 len = info->length - info->pos;
1278 if (info->pos + len < info->offset) {
1283 if (info->pos < info->offset) {
1284 data += (info->offset - info->pos);
1285 len -= (info->offset - info->pos);
1289 memcpy(info->buffer + info->pos, data, len);
1295 mptscsih_copy_info(struct info_str *info, char *fmt, ...)
1301 va_start(args, fmt);
1302 len = vsprintf(buf, fmt, args);
1305 mptscsih_copy_mem_info(info, buf, len);
1310 mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len)
1312 struct info_str info;
1316 info.offset = offset;
1319 mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name);
1320 mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1321 mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts);
1322 mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth);
1324 return ((info.pos > info.offset) ? info.pos - info.offset : 0);
1327 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1329 * mptscsih_proc_info - Return information about MPT adapter
1330 * @host: scsi host struct
1331 * @buffer: if write, user data; if read, buffer for user
1332 * @start: returns the buffer address
1333 * @offset: if write, 0; if read, the current offset into the buffer from
1334 * the previous read.
1335 * @length: if write, return length;
1336 * @func: write = 1; read = 0
1338 * (linux scsi_host_template.info routine)
1341 mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
1342 int length, int func)
1344 MPT_SCSI_HOST *hd = shost_priv(host);
1345 MPT_ADAPTER *ioc = hd->ioc;
1350 * write is not supported
1356 size = mptscsih_host_info(ioc, buffer, offset, length);
1362 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1363 #define ADD_INDEX_LOG(req_ent) do { } while(0)
1365 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1367 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1368 * @SCpnt: Pointer to scsi_cmnd structure
1369 * @done: Pointer SCSI mid-layer IO completion function
1371 * (linux scsi_host_template.queuecommand routine)
1372 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1373 * from a linux scsi_cmnd request and send it to the IOC.
1375 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1378 mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1382 SCSIIORequest_t *pScsiReq;
1383 VirtDevice *vdevice = SCpnt->device->hostdata;
1392 hd = shost_priv(SCpnt->device->host);
1394 SCpnt->scsi_done = done;
1396 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n",
1397 ioc->name, SCpnt, done));
1399 if (ioc->taskmgmt_quiesce_io) {
1400 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "qcmd: SCpnt=%p timeout + 60HZ\n",
1402 return SCSI_MLQUEUE_HOST_BUSY;
1406 * Put together a MPT SCSI request...
1408 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1409 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1411 return SCSI_MLQUEUE_HOST_BUSY;
1414 pScsiReq = (SCSIIORequest_t *) mf;
1416 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1418 ADD_INDEX_LOG(my_idx);
1420 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1421 * Seems we may receive a buffer (datalen>0) even when there
1422 * will be no data transfer! GRRRRR...
1424 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1425 datalen = scsi_bufflen(SCpnt);
1426 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1427 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1428 datalen = scsi_bufflen(SCpnt);
1429 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1432 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1435 /* Default to untagged. Once a target structure has been allocated,
1436 * use the Inquiry data to determine if device supports tagged.
1439 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
1440 && (SCpnt->device->tagged_supported)) {
1441 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1442 if (SCpnt->request && SCpnt->request->ioprio) {
1443 if (((SCpnt->request->ioprio & 0x7) == 1) ||
1444 !(SCpnt->request->ioprio & 0x7))
1445 scsictl |= MPI_SCSIIO_CONTROL_HEADOFQ;
1448 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1451 /* Use the above information to set up the message frame
1453 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1454 pScsiReq->Bus = vdevice->vtarget->channel;
1455 pScsiReq->ChainOffset = 0;
1456 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1457 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1459 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1460 pScsiReq->CDBLength = SCpnt->cmd_len;
1461 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1462 pScsiReq->Reserved = 0;
1463 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1464 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1465 pScsiReq->Control = cpu_to_le32(scsictl);
1468 * Write SCSI CDB into the message
1470 cmd_len = SCpnt->cmd_len;
1471 for (ii=0; ii < cmd_len; ii++)
1472 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1474 for (ii=cmd_len; ii < 16; ii++)
1475 pScsiReq->CDB[ii] = 0;
1478 pScsiReq->DataLength = cpu_to_le32(datalen);
1480 /* SenseBuffer low address */
1481 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1482 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1484 /* Now add the SG list
1485 * Always have a SGE even if null length.
1488 /* Add a NULL SGE */
1489 ioc->add_sge((char *)&pScsiReq->SGL,
1490 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1493 /* Add a 32 or 64 bit SGE */
1494 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1498 SCpnt->host_scribble = (unsigned char *)mf;
1499 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1501 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1502 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1503 ioc->name, SCpnt, mf, my_idx));
1504 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1508 mptscsih_freeChainBuffers(ioc, my_idx);
1509 mpt_free_msg_frame(ioc, mf);
1510 return SCSI_MLQUEUE_HOST_BUSY;
1513 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1515 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1516 * with a SCSI IO request
1517 * @hd: Pointer to the MPT_SCSI_HOST instance
1518 * @req_idx: Index of the SCSI IO request frame.
1520 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1524 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1526 MPT_FRAME_HDR *chain;
1527 unsigned long flags;
1531 /* Get the first chain index and reset
1534 chain_idx = ioc->ReqToChain[req_idx];
1535 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1537 while (chain_idx != MPT_HOST_NO_CHAIN) {
1539 /* Save the next chain buffer index */
1540 next = ioc->ChainToChain[chain_idx];
1542 /* Free this chain buffer and reset
1545 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1547 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1548 + (chain_idx * ioc->req_sz));
1550 spin_lock_irqsave(&ioc->FreeQlock, flags);
1551 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1552 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1554 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1555 ioc->name, chain_idx));
1563 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1568 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1570 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1571 * @hd: Pointer to MPT_SCSI_HOST structure
1572 * @type: Task Management type
1573 * @channel: channel number for task management
1574 * @id: Logical Target ID for reset (if appropriate)
1575 * @lun: Logical Unit for reset (if appropriate)
1576 * @ctx2abort: Context for the task to be aborted (if appropriate)
1577 * @timeout: timeout for task management control
1579 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1580 * or a non-interrupt thread. In the former, must not call schedule().
1582 * Not all fields are meaningfull for all task types.
1584 * Returns 0 for SUCCESS, or FAILED.
1588 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun,
1589 int ctx2abort, ulong timeout)
1592 SCSITaskMgmt_t *pScsiTm;
1595 MPT_ADAPTER *ioc = hd->ioc;
1596 unsigned long timeleft;
1597 u8 issue_hard_reset;
1599 unsigned long time_count;
1601 issue_hard_reset = 0;
1602 ioc_raw_state = mpt_GetIocState(ioc, 0);
1604 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1605 printk(MYIOC_s_WARN_FMT
1606 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1607 ioc->name, type, ioc_raw_state);
1608 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1609 ioc->name, __func__);
1610 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1611 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1612 "FAILED!!\n", ioc->name);
1616 if (ioc_raw_state & MPI_DOORBELL_ACTIVE) {
1617 printk(MYIOC_s_WARN_FMT
1618 "TaskMgmt type=%x: ioc_state: "
1619 "DOORBELL_ACTIVE (0x%x)!\n",
1620 ioc->name, type, ioc_raw_state);
1624 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1625 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1631 /* Return Fail to calling function if no message frames available.
1633 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1634 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1635 "TaskMgmt no msg frames!!\n", ioc->name));
1637 mpt_clear_taskmgmt_in_progress_flag(ioc);
1640 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1643 /* Format the Request
1645 pScsiTm = (SCSITaskMgmt_t *) mf;
1646 pScsiTm->TargetID = id;
1647 pScsiTm->Bus = channel;
1648 pScsiTm->ChainOffset = 0;
1649 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1651 pScsiTm->Reserved = 0;
1652 pScsiTm->TaskType = type;
1653 pScsiTm->Reserved1 = 0;
1654 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1655 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1657 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1659 for (ii=0; ii < 7; ii++)
1660 pScsiTm->Reserved2[ii] = 0;
1662 pScsiTm->TaskMsgContext = ctx2abort;
1664 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1665 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1668 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1670 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1671 time_count = jiffies;
1672 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1673 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1674 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1676 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1677 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1679 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1680 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1681 ioc->name, mf, retval));
1682 mpt_free_msg_frame(ioc, mf);
1683 mpt_clear_taskmgmt_in_progress_flag(ioc);
1688 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1690 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1692 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1693 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1694 mpt_clear_taskmgmt_in_progress_flag(ioc);
1695 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1697 issue_hard_reset = 1;
1701 retval = mptscsih_taskmgmt_reply(ioc, type,
1702 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1704 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1705 "TaskMgmt completed (%d seconds)\n",
1706 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1710 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1711 if (issue_hard_reset) {
1712 printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
1713 ioc->name, __func__);
1714 retval = mpt_HardResetHandler(ioc, CAN_SLEEP);
1715 mpt_free_msg_frame(ioc, mf);
1718 retval = (retval == 0) ? 0 : FAILED;
1719 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1722 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1725 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1727 switch (ioc->bus_type) {
1737 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1739 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1740 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1742 * (linux scsi_host_template.eh_abort_handler routine)
1744 * Returns SUCCESS or FAILED.
1747 mptscsih_abort(struct scsi_cmnd * SCpnt)
1754 VirtDevice *vdevice;
1755 ulong sn = SCpnt->serial_number;
1758 /* If we can't locate our host adapter structure, return FAILED status.
1760 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1761 SCpnt->result = DID_RESET << 16;
1762 SCpnt->scsi_done(SCpnt);
1763 printk(KERN_ERR MYNAM ": task abort: "
1764 "can't locate host! (sc=%p)\n", SCpnt);
1769 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1771 scsi_print_command(SCpnt);
1773 vdevice = SCpnt->device->hostdata;
1774 if (!vdevice || !vdevice->vtarget) {
1775 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1776 "task abort: device has been deleted (sc=%p)\n",
1778 SCpnt->result = DID_NO_CONNECT << 16;
1779 SCpnt->scsi_done(SCpnt);
1784 /* Task aborts are not supported for hidden raid components.
1786 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1787 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1788 "task abort: hidden raid component (sc=%p)\n",
1790 SCpnt->result = DID_RESET << 16;
1795 /* Find this command
1797 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1798 /* Cmd not found in ScsiLookup.
1801 SCpnt->result = DID_RESET << 16;
1802 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1803 "Command not in the active list! (sc=%p)\n", ioc->name,
1809 if (ioc->timeouts < -1)
1812 if (mpt_fwfault_debug)
1813 mpt_halt_firmware(ioc);
1815 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1816 * (the IO to be ABORT'd)
1818 * NOTE: Since we do not byteswap MsgContext, we do not
1819 * swap it here either. It is an opaque cookie to
1820 * the controller, so it does not matter. -DaveM
1822 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1823 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1824 retval = mptscsih_IssueTaskMgmt(hd,
1825 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1826 vdevice->vtarget->channel,
1827 vdevice->vtarget->id, vdevice->lun,
1828 ctx2abort, mptscsih_get_tm_timeout(ioc));
1830 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx &&
1831 SCpnt->serial_number == sn) {
1832 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1833 "task abort: command still in active list! (sc=%p)\n",
1837 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1838 "task abort: command cleared from active list! (sc=%p)\n",
1844 printk(MYIOC_s_INFO_FMT "task abort: %s (sc=%p)\n",
1845 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), SCpnt);
1850 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1852 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1853 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1855 * (linux scsi_host_template.eh_dev_reset_handler routine)
1857 * Returns SUCCESS or FAILED.
1860 mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1864 VirtDevice *vdevice;
1867 /* If we can't locate our host adapter structure, return FAILED status.
1869 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1870 printk(KERN_ERR MYNAM ": target reset: "
1871 "Can't locate host! (sc=%p)\n", SCpnt);
1876 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1878 scsi_print_command(SCpnt);
1880 vdevice = SCpnt->device->hostdata;
1881 if (!vdevice || !vdevice->vtarget) {
1886 /* Target reset to hidden raid component is not supported
1888 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1893 retval = mptscsih_IssueTaskMgmt(hd,
1894 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1895 vdevice->vtarget->channel,
1896 vdevice->vtarget->id, 0, 0,
1897 mptscsih_get_tm_timeout(ioc));
1900 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1901 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1910 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1912 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1913 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1915 * (linux scsi_host_template.eh_bus_reset_handler routine)
1917 * Returns SUCCESS or FAILED.
1920 mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1924 VirtDevice *vdevice;
1927 /* If we can't locate our host adapter structure, return FAILED status.
1929 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1930 printk(KERN_ERR MYNAM ": bus reset: "
1931 "Can't locate host! (sc=%p)\n", SCpnt);
1936 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1938 scsi_print_command(SCpnt);
1940 if (ioc->timeouts < -1)
1943 vdevice = SCpnt->device->hostdata;
1944 if (!vdevice || !vdevice->vtarget)
1946 retval = mptscsih_IssueTaskMgmt(hd,
1947 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1948 vdevice->vtarget->channel, 0, 0, 0,
1949 mptscsih_get_tm_timeout(ioc));
1951 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1952 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1960 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1962 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1963 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1965 * (linux scsi_host_template.eh_host_reset_handler routine)
1967 * Returns SUCCESS or FAILED.
1970 mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1973 int status = SUCCESS;
1977 /* If we can't locate the host to reset, then we failed. */
1978 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1979 printk(KERN_ERR MYNAM ": host reset: "
1980 "Can't locate host! (sc=%p)\n", SCpnt);
1984 /* make sure we have no outstanding commands at this stage */
1985 mptscsih_flush_running_cmds(hd);
1988 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1991 /* If our attempts to reset the host failed, then return a failed
1992 * status. The host will be taken off line by the SCSI mid-layer.
1994 retval = mpt_HardResetHandler(ioc, CAN_SLEEP);
2000 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
2001 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
2007 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
2008 SCSITaskMgmtReply_t *pScsiTmReply)
2011 u32 termination_count;
2014 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
2019 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
2021 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2022 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
2024 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2025 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
2026 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
2027 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
2028 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
2029 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
2030 termination_count));
2032 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
2033 pScsiTmReply->ResponseCode)
2034 mptscsih_taskmgmt_response_code(ioc,
2035 pScsiTmReply->ResponseCode);
2037 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
2043 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
2044 if (termination_count == 1)
2049 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
2050 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2057 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2059 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2063 switch (response_code) {
2064 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2065 desc = "The task completed.";
2067 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2068 desc = "The IOC received an invalid frame status.";
2070 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2071 desc = "The task type is not supported.";
2073 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2074 desc = "The requested task failed.";
2076 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2077 desc = "The task completed successfully.";
2079 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2080 desc = "The LUN request is invalid.";
2082 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2083 desc = "The task is in the IOC queue and has not been sent to target.";
2089 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2090 ioc->name, response_code, desc);
2092 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2094 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2096 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2097 * @ioc: Pointer to MPT_ADAPTER structure
2098 * @mf: Pointer to SCSI task mgmt request frame
2099 * @mr: Pointer to SCSI task mgmt reply frame
2101 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2102 * of any SCSI task management request.
2103 * This routine is registered with the MPT (base) driver at driver
2104 * load/init time via the mpt_register() API call.
2106 * Returns 1 indicating alloc'd request frame ptr should be freed.
2109 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2112 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2113 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2115 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2120 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2121 memcpy(ioc->taskmgmt_cmds.reply, mr,
2122 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2124 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2125 mpt_clear_taskmgmt_in_progress_flag(ioc);
2126 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2127 complete(&ioc->taskmgmt_cmds.done);
2133 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2135 * This is anyones guess quite frankly.
2138 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2139 sector_t capacity, int geom[])
2149 dummy = heads * sectors;
2150 cylinders = capacity;
2151 sector_div(cylinders,dummy);
2154 * Handle extended translation size for logical drives
2157 if ((ulong)capacity >= 0x200000) {
2160 dummy = heads * sectors;
2161 cylinders = capacity;
2162 sector_div(cylinders,dummy);
2168 geom[2] = cylinders;
2173 /* Search IOC page 3 to determine if this is hidden physical disk
2177 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2179 struct inactive_raid_component_info *component_info;
2181 RaidPhysDiskPage1_t *phys_disk;
2185 if (!ioc->raid_data.pIocPg3)
2187 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2188 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2189 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2195 if (ioc->bus_type != SAS)
2199 * Check if dual path
2201 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2202 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2203 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2206 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2207 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2210 if ((mpt_raid_phys_disk_pg1(ioc,
2211 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2216 for (j = 0; j < num_paths; j++) {
2217 if ((phys_disk->Path[j].Flags &
2218 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2220 if ((phys_disk->Path[j].Flags &
2221 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2223 if ((id == phys_disk->Path[j].PhysDiskID) &&
2224 (channel == phys_disk->Path[j].PhysDiskBus)) {
2235 * Check inactive list for matching phys disks
2237 if (list_empty(&ioc->raid_data.inactive_list))
2240 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2241 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2243 if ((component_info->d.PhysDiskID == id) &&
2244 (component_info->d.PhysDiskBus == channel))
2247 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2252 EXPORT_SYMBOL(mptscsih_is_phys_disk);
2255 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2257 struct inactive_raid_component_info *component_info;
2259 RaidPhysDiskPage1_t *phys_disk;
2263 if (!ioc->raid_data.pIocPg3)
2265 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2266 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2267 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2268 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2273 if (ioc->bus_type != SAS)
2277 * Check if dual path
2279 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2280 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2281 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2284 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2285 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2288 if ((mpt_raid_phys_disk_pg1(ioc,
2289 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2294 for (j = 0; j < num_paths; j++) {
2295 if ((phys_disk->Path[j].Flags &
2296 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2298 if ((phys_disk->Path[j].Flags &
2299 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2301 if ((id == phys_disk->Path[j].PhysDiskID) &&
2302 (channel == phys_disk->Path[j].PhysDiskBus)) {
2303 rc = phys_disk->PhysDiskNum;
2312 * Check inactive list for matching phys disks
2314 if (list_empty(&ioc->raid_data.inactive_list))
2317 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2318 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2320 if ((component_info->d.PhysDiskID == id) &&
2321 (component_info->d.PhysDiskBus == channel))
2322 rc = component_info->d.PhysDiskNum;
2324 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2329 EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2332 * OS entry point to allow for host driver to free allocated memory
2333 * Called if no device present or device being unloaded
2336 mptscsih_slave_destroy(struct scsi_device *sdev)
2338 struct Scsi_Host *host = sdev->host;
2339 MPT_SCSI_HOST *hd = shost_priv(host);
2340 VirtTarget *vtarget;
2341 VirtDevice *vdevice;
2342 struct scsi_target *starget;
2344 starget = scsi_target(sdev);
2345 vtarget = starget->hostdata;
2346 vdevice = sdev->hostdata;
2348 mptscsih_search_running_cmds(hd, vdevice);
2349 vtarget->num_luns--;
2350 mptscsih_synchronize_cache(hd, vdevice);
2352 sdev->hostdata = NULL;
2355 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2357 * mptscsih_change_queue_depth - This function will set a devices queue depth
2358 * @sdev: per scsi_device pointer
2359 * @qdepth: requested queue depth
2360 * @reason: calling context
2362 * Adding support for new 'change_queue_depth' api.
2365 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
2367 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2368 VirtTarget *vtarget;
2369 struct scsi_target *starget;
2372 MPT_ADAPTER *ioc = hd->ioc;
2374 starget = scsi_target(sdev);
2375 vtarget = starget->hostdata;
2377 if (reason != SCSI_QDEPTH_DEFAULT)
2380 if (ioc->bus_type == SPI) {
2381 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2383 else if (sdev->type == TYPE_DISK &&
2384 vtarget->minSyncFactor <= MPT_ULTRA160)
2385 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2387 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2389 max_depth = ioc->sh->can_queue;
2391 if (!sdev->tagged_supported)
2394 if (qdepth > max_depth)
2399 tagged = MSG_SIMPLE_TAG;
2401 scsi_adjust_queue_depth(sdev, tagged, qdepth);
2402 return sdev->queue_depth;
2406 * OS entry point to adjust the queue_depths on a per-device basis.
2407 * Called once per device the bus scan. Use it to force the queue_depth
2408 * member to 1 if a device does not support Q tags.
2409 * Return non-zero if fails.
2412 mptscsih_slave_configure(struct scsi_device *sdev)
2414 struct Scsi_Host *sh = sdev->host;
2415 VirtTarget *vtarget;
2416 VirtDevice *vdevice;
2417 struct scsi_target *starget;
2418 MPT_SCSI_HOST *hd = shost_priv(sh);
2419 MPT_ADAPTER *ioc = hd->ioc;
2421 starget = scsi_target(sdev);
2422 vtarget = starget->hostdata;
2423 vdevice = sdev->hostdata;
2425 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2426 "device @ %p, channel=%d, id=%d, lun=%d\n",
2427 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2428 if (ioc->bus_type == SPI)
2429 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2430 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2431 ioc->name, sdev->sdtr, sdev->wdtr,
2432 sdev->ppr, sdev->inquiry_len));
2434 vdevice->configured_lun = 1;
2436 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2437 "Queue depth=%d, tflags=%x\n",
2438 ioc->name, sdev->queue_depth, vtarget->tflags));
2440 if (ioc->bus_type == SPI)
2441 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2442 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2443 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2444 vtarget->minSyncFactor));
2446 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH,
2447 SCSI_QDEPTH_DEFAULT);
2448 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2449 "tagged %d, simple %d, ordered %d\n",
2450 ioc->name,sdev->tagged_supported, sdev->simple_tags,
2451 sdev->ordered_tags));
2456 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2458 * Private routines...
2461 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2462 /* Utility function to copy sense data from the scsi_cmnd buffer
2463 * to the FC and SCSI target structures.
2467 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2469 VirtDevice *vdevice;
2470 SCSIIORequest_t *pReq;
2471 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2472 MPT_ADAPTER *ioc = hd->ioc;
2474 /* Get target structure
2476 pReq = (SCSIIORequest_t *) mf;
2477 vdevice = sc->device->hostdata;
2483 /* Copy the sense received into the scsi command block. */
2484 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2485 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2486 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2488 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2490 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2491 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2494 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2495 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2496 ioc->events[idx].eventContext = ioc->eventContext;
2498 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2499 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2500 (sc->device->channel << 8) | sc->device->id;
2502 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2504 ioc->eventContext++;
2505 if (ioc->pcidev->vendor ==
2506 PCI_VENDOR_ID_IBM) {
2507 mptscsih_issue_sep_command(ioc,
2508 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2509 vdevice->vtarget->tflags |=
2510 MPT_TARGET_FLAGS_LED_ON;
2515 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2521 * mptscsih_get_scsi_lookup - retrieves scmd entry
2522 * @ioc: Pointer to MPT_ADAPTER structure
2523 * @i: index into the array
2525 * Returns the scsi_cmd pointer
2528 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2530 unsigned long flags;
2531 struct scsi_cmnd *scmd;
2533 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2534 scmd = ioc->ScsiLookup[i];
2535 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2539 EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2542 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2543 * @ioc: Pointer to MPT_ADAPTER structure
2544 * @i: index into the array
2546 * Returns the scsi_cmd pointer
2549 static struct scsi_cmnd *
2550 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2552 unsigned long flags;
2553 struct scsi_cmnd *scmd;
2555 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2556 scmd = ioc->ScsiLookup[i];
2557 ioc->ScsiLookup[i] = NULL;
2558 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2564 * mptscsih_set_scsi_lookup
2566 * writes a scmd entry into the ScsiLookup[] array list
2568 * @ioc: Pointer to MPT_ADAPTER structure
2569 * @i: index into the array
2570 * @scmd: scsi_cmnd pointer
2574 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2576 unsigned long flags;
2578 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2579 ioc->ScsiLookup[i] = scmd;
2580 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2584 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2585 * @ioc: Pointer to MPT_ADAPTER structure
2586 * @sc: scsi_cmnd pointer
2589 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2591 unsigned long flags;
2594 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2595 for (i = 0; i < ioc->req_depth; i++) {
2596 if (ioc->ScsiLookup[i] == sc) {
2603 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2607 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2609 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2613 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2616 hd = shost_priv(ioc->sh);
2617 switch (reset_phase) {
2618 case MPT_IOC_SETUP_RESET:
2619 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2620 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2622 case MPT_IOC_PRE_RESET:
2623 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2624 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2625 mptscsih_flush_running_cmds(hd);
2627 case MPT_IOC_POST_RESET:
2628 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2629 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2630 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2631 ioc->internal_cmds.status |=
2632 MPT_MGMT_STATUS_DID_IOCRESET;
2633 complete(&ioc->internal_cmds.done);
2639 return 1; /* currently means nothing really */
2642 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2644 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2646 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2648 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2649 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2652 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2653 event == MPI_EVENT_EXT_BUS_RESET) &&
2654 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2657 return 1; /* currently means nothing really */
2660 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2662 * Bus Scan and Domain Validation functionality ...
2665 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2667 * mptscsih_scandv_complete - Scan and DV callback routine registered
2668 * to Fustion MPT (base) driver.
2670 * @ioc: Pointer to MPT_ADAPTER structure
2671 * @mf: Pointer to original MPT request frame
2672 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2674 * This routine is called from mpt.c::mpt_interrupt() at the completion
2675 * of any SCSI IO request.
2676 * This routine is registered with the Fusion MPT (base) driver at driver
2677 * load/init time via the mpt_register() API call.
2679 * Returns 1 indicating alloc'd request frame ptr should be freed.
2681 * Remark: Sets a completion code and (possibly) saves sense data
2682 * in the IOC member localReply structure.
2683 * Used ONLY for DV and other internal commands.
2686 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2687 MPT_FRAME_HDR *reply)
2689 SCSIIORequest_t *pReq;
2690 SCSIIOReply_t *pReply;
2696 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2697 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2701 pReply = (SCSIIOReply_t *) reply;
2702 pReq = (SCSIIORequest_t *) req;
2703 ioc->internal_cmds.completion_code =
2704 mptscsih_get_completion_code(ioc, req, reply);
2705 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2706 memcpy(ioc->internal_cmds.reply, reply,
2707 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2708 cmd = reply->u.hdr.Function;
2709 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2710 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2711 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2712 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2713 sense_data = ((u8 *)ioc->sense_buf_pool +
2714 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2715 sz = min_t(int, pReq->SenseBufferLength,
2716 MPT_SENSE_BUFFER_ALLOC);
2717 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2720 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2722 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2723 complete(&ioc->internal_cmds.done);
2729 * mptscsih_get_completion_code -
2730 * @ioc: Pointer to MPT_ADAPTER structure
2731 * @req: Pointer to original MPT request frame
2732 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
2736 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2737 MPT_FRAME_HDR *reply)
2739 SCSIIOReply_t *pReply;
2740 MpiRaidActionReply_t *pr;
2743 int completion_code;
2745 pReply = (SCSIIOReply_t *)reply;
2746 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2747 scsi_status = pReply->SCSIStatus;
2749 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2750 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2751 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2752 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2756 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2757 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2760 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2761 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2762 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2763 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2764 completion_code = MPT_SCANDV_DID_RESET;
2767 case MPI_IOCSTATUS_BUSY:
2768 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2769 completion_code = MPT_SCANDV_BUSY;
2772 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2773 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2774 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2775 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2776 completion_code = MPT_SCANDV_GOOD;
2777 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2778 pr = (MpiRaidActionReply_t *)reply;
2779 if (le16_to_cpu(pr->ActionStatus) ==
2780 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2781 completion_code = MPT_SCANDV_GOOD;
2783 completion_code = MPT_SCANDV_SOME_ERROR;
2784 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2785 completion_code = MPT_SCANDV_SENSE;
2786 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2787 if (req->u.scsireq.CDB[0] == INQUIRY)
2788 completion_code = MPT_SCANDV_ISSUE_SENSE;
2790 completion_code = MPT_SCANDV_DID_RESET;
2791 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2792 completion_code = MPT_SCANDV_DID_RESET;
2793 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2794 completion_code = MPT_SCANDV_DID_RESET;
2795 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2796 completion_code = MPT_SCANDV_BUSY;
2798 completion_code = MPT_SCANDV_GOOD;
2801 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2802 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2803 completion_code = MPT_SCANDV_DID_RESET;
2805 completion_code = MPT_SCANDV_SOME_ERROR;
2808 completion_code = MPT_SCANDV_SOME_ERROR;
2811 } /* switch(status) */
2813 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2814 " completionCode set to %08xh\n", ioc->name, completion_code));
2815 return completion_code;
2818 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2820 * mptscsih_do_cmd - Do internal command.
2821 * @hd: MPT_SCSI_HOST pointer
2822 * @io: INTERNAL_CMD pointer.
2824 * Issue the specified internally generated command and do command
2825 * specific cleanup. For bus scan / DV only.
2826 * NOTES: If command is Inquiry and status is good,
2827 * initialize a target structure, save the data
2829 * Remark: Single threaded access only.
2832 * < 0 if an illegal command or no resources
2836 * > 0 if command complete but some type of completion error.
2839 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2842 SCSIIORequest_t *pScsiReq;
2843 int my_idx, ii, dir;
2846 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2848 MPT_ADAPTER *ioc = hd->ioc;
2850 unsigned long timeleft;
2851 unsigned long flags;
2853 /* don't send internal command during diag reset */
2854 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2855 if (ioc->ioc_reset_in_progress) {
2856 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2857 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2858 "%s: busy with host reset\n", ioc->name, __func__));
2859 return MPT_SCANDV_BUSY;
2861 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2863 mutex_lock(&ioc->internal_cmds.mutex);
2865 /* Set command specific information
2870 dir = MPI_SCSIIO_CONTROL_READ;
2876 case TEST_UNIT_READY:
2878 dir = MPI_SCSIIO_CONTROL_READ;
2884 dir = MPI_SCSIIO_CONTROL_READ;
2886 CDB[4] = 1; /*Spin up the disk */
2894 dir = MPI_SCSIIO_CONTROL_READ;
2900 dir = MPI_SCSIIO_CONTROL_READ;
2902 if (io->flags & MPT_ICFLAG_ECHO) {
2908 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2911 CDB[6] = (io->size >> 16) & 0xFF;
2912 CDB[7] = (io->size >> 8) & 0xFF;
2913 CDB[8] = io->size & 0xFF;
2919 dir = MPI_SCSIIO_CONTROL_WRITE;
2921 if (io->flags & MPT_ICFLAG_ECHO) {
2926 CDB[6] = (io->size >> 16) & 0xFF;
2927 CDB[7] = (io->size >> 8) & 0xFF;
2928 CDB[8] = io->size & 0xFF;
2934 dir = MPI_SCSIIO_CONTROL_READ;
2941 dir = MPI_SCSIIO_CONTROL_READ;
2946 case SYNCHRONIZE_CACHE:
2948 dir = MPI_SCSIIO_CONTROL_READ;
2950 // CDB[1] = 0x02; /* set immediate bit */
2960 /* Get and Populate a free Frame
2961 * MsgContext set in mpt_get_msg_frame call
2963 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
2964 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2965 ioc->name, __func__));
2966 ret = MPT_SCANDV_BUSY;
2970 pScsiReq = (SCSIIORequest_t *) mf;
2972 /* Get the request index */
2973 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2974 ADD_INDEX_LOG(my_idx); /* for debug */
2976 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2977 pScsiReq->TargetID = io->physDiskNum;
2979 pScsiReq->ChainOffset = 0;
2980 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2982 pScsiReq->TargetID = io->id;
2983 pScsiReq->Bus = io->channel;
2984 pScsiReq->ChainOffset = 0;
2985 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2988 pScsiReq->CDBLength = cmdLen;
2989 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2991 pScsiReq->Reserved = 0;
2993 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
2994 /* MsgContext set in mpt_get_msg_fram call */
2996 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
2998 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2999 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
3001 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3003 if (cmd == REQUEST_SENSE) {
3004 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3005 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3006 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
3009 for (ii = 0; ii < 16; ii++)
3010 pScsiReq->CDB[ii] = CDB[ii];
3012 pScsiReq->DataLength = cpu_to_le32(io->size);
3013 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
3014 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
3016 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3017 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n",
3018 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
3020 if (dir == MPI_SCSIIO_CONTROL_READ)
3021 ioc->add_sge((char *) &pScsiReq->SGL,
3022 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
3024 ioc->add_sge((char *) &pScsiReq->SGL,
3025 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
3027 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
3028 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
3029 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
3031 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
3032 ret = MPT_SCANDV_DID_RESET;
3033 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3034 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
3036 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
3037 mpt_free_msg_frame(ioc, mf);
3041 printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
3042 ioc->name, __func__);
3043 mpt_HardResetHandler(ioc, CAN_SLEEP);
3044 mpt_free_msg_frame(ioc, mf);
3049 ret = ioc->internal_cmds.completion_code;
3050 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
3051 ioc->name, __func__, ret));
3054 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
3055 mutex_unlock(&ioc->internal_cmds.mutex);
3059 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3061 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3062 * @hd: Pointer to a SCSI HOST structure
3063 * @vdevice: virtual target device
3065 * Uses the ISR, but with special processing.
3066 * MUST be single-threaded.
3070 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3074 /* Ignore hidden raid components, this is handled when the command
3075 * is sent to the volume
3077 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3080 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3081 !vdevice->configured_lun)
3084 /* Following parameters will not change
3087 iocmd.cmd = SYNCHRONIZE_CACHE;
3089 iocmd.physDiskNum = -1;
3091 iocmd.data_dma = -1;
3093 iocmd.rsvd = iocmd.rsvd2 = 0;
3094 iocmd.channel = vdevice->vtarget->channel;
3095 iocmd.id = vdevice->vtarget->id;
3096 iocmd.lun = vdevice->lun;
3098 mptscsih_do_cmd(hd, &iocmd);
3102 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3105 struct Scsi_Host *host = class_to_shost(dev);
3106 MPT_SCSI_HOST *hd = shost_priv(host);
3107 MPT_ADAPTER *ioc = hd->ioc;
3109 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3110 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3111 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3112 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3113 ioc->facts.FWVersion.Word & 0x000000FF);
3115 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3118 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3121 struct Scsi_Host *host = class_to_shost(dev);
3122 MPT_SCSI_HOST *hd = shost_priv(host);
3123 MPT_ADAPTER *ioc = hd->ioc;
3125 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3126 (ioc->biosVersion & 0xFF000000) >> 24,
3127 (ioc->biosVersion & 0x00FF0000) >> 16,
3128 (ioc->biosVersion & 0x0000FF00) >> 8,
3129 ioc->biosVersion & 0x000000FF);
3131 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3134 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3137 struct Scsi_Host *host = class_to_shost(dev);
3138 MPT_SCSI_HOST *hd = shost_priv(host);
3139 MPT_ADAPTER *ioc = hd->ioc;
3141 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3143 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3146 mptscsih_version_product_show(struct device *dev,
3147 struct device_attribute *attr,
3150 struct Scsi_Host *host = class_to_shost(dev);
3151 MPT_SCSI_HOST *hd = shost_priv(host);
3152 MPT_ADAPTER *ioc = hd->ioc;
3154 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3156 static DEVICE_ATTR(version_product, S_IRUGO,
3157 mptscsih_version_product_show, NULL);
3160 mptscsih_version_nvdata_persistent_show(struct device *dev,
3161 struct device_attribute *attr,
3164 struct Scsi_Host *host = class_to_shost(dev);
3165 MPT_SCSI_HOST *hd = shost_priv(host);
3166 MPT_ADAPTER *ioc = hd->ioc;
3168 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3169 ioc->nvdata_version_persistent);
3171 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3172 mptscsih_version_nvdata_persistent_show, NULL);
3175 mptscsih_version_nvdata_default_show(struct device *dev,
3176 struct device_attribute *attr, char *buf)
3178 struct Scsi_Host *host = class_to_shost(dev);
3179 MPT_SCSI_HOST *hd = shost_priv(host);
3180 MPT_ADAPTER *ioc = hd->ioc;
3182 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3184 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3185 mptscsih_version_nvdata_default_show, NULL);
3188 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3191 struct Scsi_Host *host = class_to_shost(dev);
3192 MPT_SCSI_HOST *hd = shost_priv(host);
3193 MPT_ADAPTER *ioc = hd->ioc;
3195 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3197 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3200 mptscsih_board_assembly_show(struct device *dev,
3201 struct device_attribute *attr, char *buf)
3203 struct Scsi_Host *host = class_to_shost(dev);
3204 MPT_SCSI_HOST *hd = shost_priv(host);
3205 MPT_ADAPTER *ioc = hd->ioc;
3207 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3209 static DEVICE_ATTR(board_assembly, S_IRUGO,
3210 mptscsih_board_assembly_show, NULL);
3213 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3216 struct Scsi_Host *host = class_to_shost(dev);
3217 MPT_SCSI_HOST *hd = shost_priv(host);
3218 MPT_ADAPTER *ioc = hd->ioc;
3220 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3222 static DEVICE_ATTR(board_tracer, S_IRUGO,
3223 mptscsih_board_tracer_show, NULL);
3226 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3229 struct Scsi_Host *host = class_to_shost(dev);
3230 MPT_SCSI_HOST *hd = shost_priv(host);
3231 MPT_ADAPTER *ioc = hd->ioc;
3233 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3235 static DEVICE_ATTR(io_delay, S_IRUGO,
3236 mptscsih_io_delay_show, NULL);
3239 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3242 struct Scsi_Host *host = class_to_shost(dev);
3243 MPT_SCSI_HOST *hd = shost_priv(host);
3244 MPT_ADAPTER *ioc = hd->ioc;
3246 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3248 static DEVICE_ATTR(device_delay, S_IRUGO,
3249 mptscsih_device_delay_show, NULL);
3252 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3255 struct Scsi_Host *host = class_to_shost(dev);
3256 MPT_SCSI_HOST *hd = shost_priv(host);
3257 MPT_ADAPTER *ioc = hd->ioc;
3259 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3262 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3263 const char *buf, size_t count)
3265 struct Scsi_Host *host = class_to_shost(dev);
3266 MPT_SCSI_HOST *hd = shost_priv(host);
3267 MPT_ADAPTER *ioc = hd->ioc;
3270 if (sscanf(buf, "%x", &val) != 1)
3273 ioc->debug_level = val;
3274 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3275 ioc->name, ioc->debug_level);
3278 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3279 mptscsih_debug_level_show, mptscsih_debug_level_store);
3281 struct device_attribute *mptscsih_host_attrs[] = {
3282 &dev_attr_version_fw,
3283 &dev_attr_version_bios,
3284 &dev_attr_version_mpi,
3285 &dev_attr_version_product,
3286 &dev_attr_version_nvdata_persistent,
3287 &dev_attr_version_nvdata_default,
3288 &dev_attr_board_name,
3289 &dev_attr_board_assembly,
3290 &dev_attr_board_tracer,
3292 &dev_attr_device_delay,
3293 &dev_attr_debug_level,
3297 EXPORT_SYMBOL(mptscsih_host_attrs);
3299 EXPORT_SYMBOL(mptscsih_remove);
3300 EXPORT_SYMBOL(mptscsih_shutdown);
3302 EXPORT_SYMBOL(mptscsih_suspend);
3303 EXPORT_SYMBOL(mptscsih_resume);
3305 EXPORT_SYMBOL(mptscsih_proc_info);
3306 EXPORT_SYMBOL(mptscsih_info);
3307 EXPORT_SYMBOL(mptscsih_qcmd);
3308 EXPORT_SYMBOL(mptscsih_slave_destroy);
3309 EXPORT_SYMBOL(mptscsih_slave_configure);
3310 EXPORT_SYMBOL(mptscsih_abort);
3311 EXPORT_SYMBOL(mptscsih_dev_reset);
3312 EXPORT_SYMBOL(mptscsih_bus_reset);
3313 EXPORT_SYMBOL(mptscsih_host_reset);
3314 EXPORT_SYMBOL(mptscsih_bios_param);
3315 EXPORT_SYMBOL(mptscsih_io_done);
3316 EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3317 EXPORT_SYMBOL(mptscsih_scandv_complete);
3318 EXPORT_SYMBOL(mptscsih_event_process);
3319 EXPORT_SYMBOL(mptscsih_ioc_reset);
3320 EXPORT_SYMBOL(mptscsih_change_queue_depth);
3322 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/