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>
56 #include <linux/reboot.h> /* notifier code */
57 #include <linux/workqueue.h>
59 #include <scsi/scsi.h>
60 #include <scsi/scsi_cmnd.h>
61 #include <scsi/scsi_device.h>
62 #include <scsi/scsi_host.h>
63 #include <scsi/scsi_tcq.h>
64 #include <scsi/scsi_dbg.h>
68 #include "lsi/mpi_log_sas.h"
70 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
71 #define my_NAME "Fusion MPT SCSI Host driver"
72 #define my_VERSION MPT_LINUX_VERSION_COMMON
73 #define MYNAM "mptscsih"
75 MODULE_AUTHOR(MODULEAUTHOR);
76 MODULE_DESCRIPTION(my_NAME);
77 MODULE_LICENSE("GPL");
78 MODULE_VERSION(my_VERSION);
80 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
82 * Other private/forward protos...
84 struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
85 static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
86 static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
87 static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
88 int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
89 static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
90 int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
92 static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
93 SCSIIORequest_t *pReq, int req_idx);
94 static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
95 static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
97 int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
98 u64 lun, int ctx2abort, ulong timeout);
100 int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
101 int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
104 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
105 static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
106 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
107 int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
108 static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
109 static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
112 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
113 SCSITaskMgmtReply_t *pScsiTmReply);
114 void mptscsih_remove(struct pci_dev *);
115 void mptscsih_shutdown(struct pci_dev *);
117 int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
118 int mptscsih_resume(struct pci_dev *pdev);
122 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
124 * mptscsih_getFreeChainBuffer - Function to get a free chain
125 * from the MPT_SCSI_HOST FreeChainQ.
126 * @ioc: Pointer to MPT_ADAPTER structure
127 * @req_idx: Index of the SCSI IO request frame. (output)
129 * return SUCCESS or FAILED
132 mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
134 MPT_FRAME_HDR *chainBuf;
139 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
141 spin_lock_irqsave(&ioc->FreeQlock, flags);
142 if (!list_empty(&ioc->FreeChainQ)) {
145 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
146 u.frame.linkage.list);
147 list_del(&chainBuf->u.frame.linkage.list);
148 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
149 chain_idx = offset / ioc->req_sz;
151 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
152 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
153 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
156 chain_idx = MPT_HOST_NO_CHAIN;
157 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
160 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
162 *retIndex = chain_idx;
164 } /* mptscsih_getFreeChainBuffer() */
166 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
168 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
169 * SCSIIORequest_t Message Frame.
170 * @ioc: Pointer to MPT_ADAPTER structure
171 * @SCpnt: Pointer to scsi_cmnd structure
172 * @pReq: Pointer to SCSIIORequest_t structure
177 mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
178 SCSIIORequest_t *pReq, int req_idx)
182 struct scatterlist *sg;
184 int sges_left, sg_done;
185 int chain_idx = MPT_HOST_NO_CHAIN;
187 int numSgeSlots, numSgeThisFrame;
188 u32 sgflags, sgdir, thisxfer = 0;
189 int chain_dma_off = 0;
195 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
196 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
197 sgdir = MPT_TRANSFER_HOST_TO_IOC;
199 sgdir = MPT_TRANSFER_IOC_TO_HOST;
202 psge = (char *) &pReq->SGL;
203 frm_sz = ioc->req_sz;
205 /* Map the data portion, if any.
206 * sges_left = 0 if no data transfer.
208 sges_left = scsi_dma_map(SCpnt);
212 /* Handle the SG case.
214 sg = scsi_sglist(SCpnt);
216 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
219 /* Prior to entering this loop - the following must be set
220 * current MF: sgeOffset (bytes)
221 * chainSge (Null if original MF is not a chain buffer)
222 * sg_done (num SGE done for this MF)
226 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
227 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
229 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
231 /* Get first (num - 1) SG elements
232 * Skip any SG entries with a length of 0
233 * NOTE: at finish, sg and psge pointed to NEXT data/location positions
235 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
236 thisxfer = sg_dma_len(sg);
238 /* Get next SG element from the OS */
244 v2 = sg_dma_address(sg);
245 ioc->add_sge(psge, sgflags | thisxfer, v2);
247 /* Get next SG element from the OS */
249 psge += ioc->SGE_size;
250 sgeOffset += ioc->SGE_size;
254 if (numSgeThisFrame == sges_left) {
255 /* Add last element, end of buffer and end of list flags.
257 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
258 MPT_SGE_FLAGS_END_OF_BUFFER |
259 MPT_SGE_FLAGS_END_OF_LIST;
261 /* Add last SGE and set termination flags.
262 * Note: Last SGE may have a length of 0 - which should be ok.
264 thisxfer = sg_dma_len(sg);
266 v2 = sg_dma_address(sg);
267 ioc->add_sge(psge, sgflags | thisxfer, v2);
268 sgeOffset += ioc->SGE_size;
272 /* The current buffer is a chain buffer,
273 * but there is not another one.
274 * Update the chain element
275 * Offset and Length fields.
277 ioc->add_chain((char *)chainSge, 0, sgeOffset,
278 ioc->ChainBufferDMA + chain_dma_off);
280 /* The current buffer is the original MF
281 * and there is no Chain buffer.
283 pReq->ChainOffset = 0;
284 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
285 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
286 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
287 ioc->RequestNB[req_idx] = RequestNB;
290 /* At least one chain buffer is needed.
291 * Complete the first MF
292 * - last SGE element, set the LastElement bit
293 * - set ChainOffset (words) for orig MF
294 * (OR finish previous MF chain buffer)
295 * - update MFStructPtr ChainIndex
296 * - Populate chain element
301 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
302 ioc->name, sg_done));
304 /* Set LAST_ELEMENT flag for last non-chain element
305 * in the buffer. Since psge points at the NEXT
306 * SGE element, go back one SGE element, update the flags
307 * and reset the pointer. (Note: sgflags & thisxfer are already
311 u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
312 sgflags = le32_to_cpu(*ptmp);
313 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
314 *ptmp = cpu_to_le32(sgflags);
318 /* The current buffer is a chain buffer.
319 * chainSge points to the previous Chain Element.
320 * Update its chain element Offset and Length (must
321 * include chain element size) fields.
322 * Old chain element is now complete.
324 u8 nextChain = (u8) (sgeOffset >> 2);
325 sgeOffset += ioc->SGE_size;
326 ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
327 ioc->ChainBufferDMA + chain_dma_off);
329 /* The original MF buffer requires a chain buffer -
331 * Last element in this MF is a chain element.
333 pReq->ChainOffset = (u8) (sgeOffset >> 2);
334 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
335 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
336 ioc->RequestNB[req_idx] = RequestNB;
339 sges_left -= sg_done;
342 /* NOTE: psge points to the beginning of the chain element
343 * in current buffer. Get a chain buffer.
345 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
346 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
347 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
348 ioc->name, pReq->CDB[0], SCpnt));
352 /* Update the tracking arrays.
353 * If chainSge == NULL, update ReqToChain, else ChainToChain
356 ioc->ChainToChain[chain_idx] = newIndex;
358 ioc->ReqToChain[req_idx] = newIndex;
360 chain_idx = newIndex;
361 chain_dma_off = ioc->req_sz * chain_idx;
363 /* Populate the chainSGE for the current buffer.
364 * - Set chain buffer pointer to psge and fill
365 * out the Address and Flags fields.
367 chainSge = (char *) psge;
368 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
369 ioc->name, psge, req_idx));
371 /* Start the SGE for the next buffer
373 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
377 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
378 ioc->name, psge, chain_idx));
380 /* Start the SGE for the next buffer
387 } /* mptscsih_AddSGE() */
390 mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
394 SEPRequest_t *SEPMsg;
396 if (ioc->bus_type != SAS)
399 /* Not supported for hidden raid components
401 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
404 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
405 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
406 ioc->name,__func__));
410 SEPMsg = (SEPRequest_t *)mf;
411 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
412 SEPMsg->Bus = vtarget->channel;
413 SEPMsg->TargetID = vtarget->id;
414 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
415 SEPMsg->SlotStatus = SlotStatus;
416 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
417 "Sending SEP cmd=%x channel=%d id=%d\n",
418 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
419 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
422 #ifdef CONFIG_FUSION_LOGGING
424 * mptscsih_info_scsiio - debug print info on reply frame
425 * @ioc: Pointer to MPT_ADAPTER structure
426 * @sc: original scsi cmnd pointer
427 * @pScsiReply: Pointer to MPT reply frame
429 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
431 * Refer to lsi/mpi.h.
434 mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
441 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
443 switch (ioc_status) {
445 case MPI_IOCSTATUS_SUCCESS:
448 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
449 desc = "invalid bus";
451 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
452 desc = "invalid target_id";
454 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
455 desc = "device not there";
457 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
458 desc = "data overrun";
460 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
461 desc = "data underrun";
463 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
464 desc = "I/O data error";
466 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
467 desc = "protocol error";
469 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
470 desc = "task terminated";
472 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
473 desc = "residual mismatch";
475 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
476 desc = "task management failed";
478 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
479 desc = "IOC terminated";
481 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
482 desc = "ext terminated";
489 switch (pScsiReply->SCSIStatus)
492 case MPI_SCSI_STATUS_SUCCESS:
495 case MPI_SCSI_STATUS_CHECK_CONDITION:
496 desc1 = "check condition";
498 case MPI_SCSI_STATUS_CONDITION_MET:
499 desc1 = "condition met";
501 case MPI_SCSI_STATUS_BUSY:
504 case MPI_SCSI_STATUS_INTERMEDIATE:
505 desc1 = "intermediate";
507 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
508 desc1 = "intermediate condmet";
510 case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
511 desc1 = "reservation conflict";
513 case MPI_SCSI_STATUS_COMMAND_TERMINATED:
514 desc1 = "command terminated";
516 case MPI_SCSI_STATUS_TASK_SET_FULL:
517 desc1 = "task set full";
519 case MPI_SCSI_STATUS_ACA_ACTIVE:
520 desc1 = "aca active";
522 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
523 desc1 = "fcpext device logged out";
525 case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
526 desc1 = "fcpext no link";
528 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
529 desc1 = "fcpext unassigned";
536 scsi_print_command(sc);
537 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %llu\n",
538 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
539 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
540 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
542 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
543 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
544 le32_to_cpu(pScsiReply->TransferCount), sc->result);
546 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
547 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
548 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
549 pScsiReply->SCSIState);
551 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
552 skey = sc->sense_buffer[2] & 0x0F;
553 asc = sc->sense_buffer[12];
554 ascq = sc->sense_buffer[13];
556 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
557 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
561 * Look for + dump FCP ResponseInfo[]!
563 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
564 pScsiReply->ResponseInfo)
565 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
566 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
570 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
572 * mptscsih_io_done - Main SCSI IO callback routine registered to
573 * Fusion MPT (base) driver
574 * @ioc: Pointer to MPT_ADAPTER structure
575 * @mf: Pointer to original MPT request frame
576 * @r: Pointer to MPT reply frame (NULL if TurboReply)
578 * This routine is called from mpt.c::mpt_interrupt() at the completion
579 * of any SCSI IO request.
580 * This routine is registered with the Fusion MPT (base) driver at driver
581 * load/init time via the mpt_register() API call.
583 * Returns 1 indicating alloc'd request frame ptr should be freed.
586 mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
588 struct scsi_cmnd *sc;
590 SCSIIORequest_t *pScsiReq;
591 SCSIIOReply_t *pScsiReply;
592 u16 req_idx, req_idx_MR;
596 hd = shost_priv(ioc->sh);
597 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
598 req_idx_MR = (mr != NULL) ?
599 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
601 /* Special case, where already freed message frame is received from
602 * Firmware. It happens with Resetting IOC.
603 * Return immediately. Do not care
605 if ((req_idx != req_idx_MR) ||
606 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
609 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
611 MPIHeader_t *hdr = (MPIHeader_t *)mf;
613 /* Remark: writeSDP1 will use the ScsiDoneCtx
614 * If a SCSI I/O cmd, device disabled by OS and
615 * completion done. Cannot touch sc struct. Just free mem.
617 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
618 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
621 mptscsih_freeChainBuffers(ioc, req_idx);
625 if ((unsigned char *)mf != sc->host_scribble) {
626 mptscsih_freeChainBuffers(ioc, req_idx);
630 if (ioc->bus_type == SAS) {
631 VirtDevice *vdevice = sc->device->hostdata;
633 if (!vdevice || !vdevice->vtarget ||
634 vdevice->vtarget->deleted) {
635 sc->result = DID_NO_CONNECT << 16;
640 sc->host_scribble = NULL;
641 sc->result = DID_OK << 16; /* Set default reply as OK */
642 pScsiReq = (SCSIIORequest_t *) mf;
643 pScsiReply = (SCSIIOReply_t *) mr;
645 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
646 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
647 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
648 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
650 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
651 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
652 ioc->name, mf, mr, sc, req_idx));
655 if (pScsiReply == NULL) {
656 /* special context reply handling */
661 u8 scsi_state, scsi_status;
664 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
666 scsi_state = pScsiReply->SCSIState;
667 scsi_status = pScsiReply->SCSIStatus;
668 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
669 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
670 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
673 * if we get a data underrun indication, yet no data was
674 * transferred and the SCSI status indicates that the
675 * command was never started, change the data underrun
678 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
679 (scsi_status == MPI_SCSI_STATUS_BUSY ||
680 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
681 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
682 status = MPI_IOCSTATUS_SUCCESS;
685 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
686 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
689 * Look for + dump FCP ResponseInfo[]!
691 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
692 pScsiReply->ResponseInfo) {
693 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%llu] "
694 "FCP_ResponseInfo=%08xh\n", ioc->name,
695 sc->device->host->host_no, sc->device->channel,
696 sc->device->id, sc->device->lun,
697 le32_to_cpu(pScsiReply->ResponseInfo));
701 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
702 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
704 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
705 * But not: DID_BUS_BUSY lest one risk
706 * killing interrupt handler:-(
708 sc->result = SAM_STAT_BUSY;
711 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
712 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
713 sc->result = DID_BAD_TARGET << 16;
716 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
717 /* Spoof to SCSI Selection Timeout! */
718 if (ioc->bus_type != FC)
719 sc->result = DID_NO_CONNECT << 16;
720 /* else fibre, just stall until rescan event */
722 sc->result = DID_REQUEUE << 16;
724 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
725 hd->sel_timeout[pScsiReq->TargetID]++;
727 vdevice = sc->device->hostdata;
730 vtarget = vdevice->vtarget;
731 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
732 mptscsih_issue_sep_command(ioc, vtarget,
733 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
734 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
738 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
739 if ( ioc->bus_type == SAS ) {
741 le16_to_cpu(pScsiReply->IOCStatus);
743 MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
745 ((log_info & SAS_LOGINFO_MASK) ==
746 SAS_LOGINFO_NEXUS_LOSS)) {
747 VirtDevice *vdevice =
748 sc->device->hostdata;
750 /* flag the device as being in
751 * device removal delay so we can
752 * notify the midlayer to hold off
754 if (vdevice && vdevice->
759 "Skipping Raid Volume"
767 (DID_TRANSPORT_DISRUPTED
771 } else if (ioc->bus_type == FC) {
773 * The FC IOC may kill a request for variety of
774 * reasons, some of which may be recovered by a
775 * retry, some which are unlikely to be
776 * recovered. Return DID_ERROR instead of
777 * DID_RESET to permit retry of the command,
778 * just not an infinite number of them
780 sc->result = DID_ERROR << 16;
785 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
789 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
790 /* Linux handles an unsolicited DID_RESET better
791 * than an unsolicited DID_ABORT.
793 sc->result = DID_RESET << 16;
796 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
797 if (ioc->bus_type == FC)
798 sc->result = DID_ERROR << 16;
800 sc->result = DID_RESET << 16;
803 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
804 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
805 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
806 sc->result=DID_SOFT_ERROR << 16;
807 else /* Sufficient data transfer occurred */
808 sc->result = (DID_OK << 16) | scsi_status;
809 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
810 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
811 ioc->name, sc->result, sc->device->channel, sc->device->id));
814 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
816 * Do upfront check for valid SenseData and give it
819 sc->result = (DID_OK << 16) | scsi_status;
820 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
823 * For an Errata on LSI53C1030
824 * When the length of request data
825 * and transfer data are different
826 * with result of command (READ or VERIFY),
827 * DID_SOFT_ERROR is set.
829 if (ioc->bus_type == SPI) {
830 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
831 pScsiReq->CDB[0] == READ_10 ||
832 pScsiReq->CDB[0] == READ_12 ||
833 (pScsiReq->CDB[0] == READ_16 &&
834 ((pScsiReq->CDB[1] & 0x02) == 0)) ||
835 pScsiReq->CDB[0] == VERIFY ||
836 pScsiReq->CDB[0] == VERIFY_16) {
837 if (scsi_bufflen(sc) !=
840 DID_SOFT_ERROR << 16;
841 printk(KERN_WARNING "Errata"
842 "on LSI53C1030 occurred."
843 "sc->req_bufflen=0x%02x,"
851 if (xfer_cnt < sc->underflow) {
852 if (scsi_status == SAM_STAT_BUSY)
853 sc->result = SAM_STAT_BUSY;
855 sc->result = DID_SOFT_ERROR << 16;
857 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
860 sc->result = DID_SOFT_ERROR << 16;
862 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
863 /* Not real sure here either... */
864 sc->result = DID_RESET << 16;
869 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
870 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
871 ioc->name, sc->underflow));
872 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
873 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
877 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
878 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
882 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
883 scsi_set_resid(sc, 0);
885 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
886 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
887 sc->result = (DID_OK << 16) | scsi_status;
888 if (scsi_state == 0) {
890 } else if (scsi_state &
891 MPI_SCSI_STATE_AUTOSENSE_VALID) {
894 * For potential trouble on LSI53C1030.
896 * It is checked whether the length of
897 * request data is equal to
898 * the length of transfer and residual.
899 * MEDIUM_ERROR is set by incorrect data.
901 if ((ioc->bus_type == SPI) &&
902 (sc->sense_buffer[2] & 0x20)) {
905 sc->sense_buffer[3] << 24 |
906 sc->sense_buffer[4] << 16 |
907 sc->sense_buffer[5] << 8 |
909 if (((sc->sense_buffer[3] & 0x80) ==
910 0x80) && (scsi_bufflen(sc)
912 sc->sense_buffer[2] =
914 sc->sense_buffer[12] = 0xff;
915 sc->sense_buffer[13] = 0xff;
916 printk(KERN_WARNING"Errata"
917 "on LSI53C1030 occurred."
918 "sc->req_bufflen=0x%02x,"
919 "xfer_cnt=0x%02x\n" ,
923 if (((sc->sense_buffer[3] & 0x80)
926 xfer_cnt + difftransfer)) {
927 sc->sense_buffer[2] =
929 sc->sense_buffer[12] = 0xff;
930 sc->sense_buffer[13] = 0xff;
932 "Errata on LSI53C1030 occurred"
933 "sc->req_bufflen=0x%02x,"
935 "difftransfer=0x%02x\n",
943 * If running against circa 200003dd 909 MPT f/w,
944 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
945 * (QUEUE_FULL) returned from device! --> get 0x0000?128
946 * and with SenseBytes set to 0.
948 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
949 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
952 else if (scsi_state &
953 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
958 sc->result = DID_SOFT_ERROR << 16;
960 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
961 /* Not real sure here either... */
962 sc->result = DID_RESET << 16;
964 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
965 /* Device Inq. data indicates that it supports
966 * QTags, but rejects QTag messages.
967 * This command completed OK.
969 * Not real sure here either so do nothing... */
972 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
973 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
976 * Reservation Conflict, Busy,
977 * Command Terminated, CHECK
981 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
982 sc->result = DID_SOFT_ERROR << 16;
985 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
986 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
987 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
988 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
989 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
990 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
991 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
992 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
997 sc->result = DID_SOFT_ERROR << 16;
1000 } /* switch(status) */
1002 #ifdef CONFIG_FUSION_LOGGING
1003 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
1004 mptscsih_info_scsiio(ioc, sc, pScsiReply);
1007 } /* end of address reply case */
1009 /* Unmap the DMA buffers, if any. */
1012 scsi_done(sc); /* Issue the command callback */
1014 /* Free Chain buffers */
1015 mptscsih_freeChainBuffers(ioc, req_idx);
1020 * mptscsih_flush_running_cmds - For each command found, search
1021 * Scsi_Host instance taskQ and reply to OS.
1022 * Called only if recovering from a FW reload.
1023 * @hd: Pointer to a SCSI HOST structure
1027 * Must be called while new I/Os are being queued.
1030 mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1032 MPT_ADAPTER *ioc = hd->ioc;
1033 struct scsi_cmnd *sc;
1034 SCSIIORequest_t *mf = NULL;
1038 for (ii= 0; ii < ioc->req_depth; ii++) {
1039 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1042 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1047 mptscsih_freeChainBuffers(ioc, ii);
1048 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1049 if ((unsigned char *)mf != sc->host_scribble)
1052 sc->result = DID_RESET << 16;
1053 sc->host_scribble = NULL;
1054 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1055 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1056 "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
1060 EXPORT_SYMBOL(mptscsih_flush_running_cmds);
1063 * mptscsih_search_running_cmds - Delete any commands associated
1064 * with the specified target and lun. Function called only
1065 * when a lun is disable by mid-layer.
1066 * Do NOT access the referenced scsi_cmnd structure or
1067 * members. Will cause either a paging or NULL ptr error.
1068 * (BUT, BUT, BUT, the code does reference it! - mdr)
1069 * @hd: Pointer to a SCSI HOST structure
1070 * @vdevice: per device private data
1074 * Called from slave_destroy.
1077 mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1079 SCSIIORequest_t *mf = NULL;
1081 struct scsi_cmnd *sc;
1082 struct scsi_lun lun;
1083 MPT_ADAPTER *ioc = hd->ioc;
1084 unsigned long flags;
1086 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1087 for (ii = 0; ii < ioc->req_depth; ii++) {
1088 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
1090 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1093 /* If the device is a hidden raid component, then its
1094 * expected that the mf->function will be RAID_SCSI_IO
1096 if (vdevice->vtarget->tflags &
1097 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1098 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1101 int_to_scsilun(vdevice->lun, &lun);
1102 if ((mf->Bus != vdevice->vtarget->channel) ||
1103 (mf->TargetID != vdevice->vtarget->id) ||
1104 memcmp(lun.scsi_lun, mf->LUN, 8))
1107 if ((unsigned char *)mf != sc->host_scribble)
1109 ioc->ScsiLookup[ii] = NULL;
1110 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1111 mptscsih_freeChainBuffers(ioc, ii);
1112 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1114 sc->host_scribble = NULL;
1115 sc->result = DID_NO_CONNECT << 16;
1116 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1117 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1118 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1119 vdevice->vtarget->channel, vdevice->vtarget->id,
1122 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1125 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1129 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1131 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1133 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
1134 * from a SCSI target device.
1135 * @sc: Pointer to scsi_cmnd structure
1136 * @pScsiReply: Pointer to SCSIIOReply_t
1137 * @pScsiReq: Pointer to original SCSI request
1139 * This routine periodically reports QUEUE_FULL status returned from a
1140 * SCSI target device. It reports this to the console via kernel
1141 * printk() API call, not more than once every 10 seconds.
1144 mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1146 long time = jiffies;
1150 if (sc->device == NULL)
1152 if (sc->device->host == NULL)
1154 if ((hd = shost_priv(sc->device->host)) == NULL)
1157 if (time - hd->last_queue_full > 10 * HZ) {
1158 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%llu) reported QUEUE_FULL!\n",
1159 ioc->name, 0, sc->device->id, sc->device->lun));
1160 hd->last_queue_full = time;
1164 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1166 * mptscsih_remove - Removed scsi devices
1167 * @pdev: Pointer to pci_dev structure
1172 mptscsih_remove(struct pci_dev *pdev)
1174 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1175 struct Scsi_Host *host = ioc->sh;
1182 hd = shost_priv(host);
1184 mptscsih_shutdown(pdev);
1188 if (ioc->ScsiLookup != NULL) {
1189 sz1 = ioc->req_depth * sizeof(void *);
1190 kfree(ioc->ScsiLookup);
1191 ioc->ScsiLookup = NULL;
1194 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1195 "Free'd ScsiLookup (%d) memory\n",
1199 kfree(hd->info_kbuf);
1201 /* NULL the Scsi_Host pointer
1206 scsi_host_put(host);
1211 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1213 * mptscsih_shutdown - reboot notifier
1217 mptscsih_shutdown(struct pci_dev *pdev)
1222 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1224 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1229 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1231 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1233 scsi_block_requests(ioc->sh);
1234 mptscsih_shutdown(pdev);
1235 return mpt_suspend(pdev,state);
1238 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1240 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1245 mptscsih_resume(struct pci_dev *pdev)
1247 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1250 rc = mpt_resume(pdev);
1251 scsi_unblock_requests(ioc->sh);
1257 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1259 * mptscsih_info - Return information about MPT adapter
1260 * @SChost: Pointer to Scsi_Host structure
1262 * (linux scsi_host_template.info routine)
1264 * Returns pointer to buffer where information was written.
1267 mptscsih_info(struct Scsi_Host *SChost)
1272 h = shost_priv(SChost);
1274 if (h->info_kbuf == NULL)
1275 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1276 return h->info_kbuf;
1277 h->info_kbuf[0] = '\0';
1279 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1280 h->info_kbuf[size-1] = '\0';
1282 return h->info_kbuf;
1285 int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host)
1287 MPT_SCSI_HOST *hd = shost_priv(host);
1288 MPT_ADAPTER *ioc = hd->ioc;
1290 seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name);
1291 seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1292 seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts);
1293 seq_printf(m, "MaxQ=%d\n", ioc->req_depth);
1298 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1299 #define ADD_INDEX_LOG(req_ent) do { } while(0)
1301 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1303 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1304 * @SCpnt: Pointer to scsi_cmnd structure
1306 * (linux scsi_host_template.queuecommand routine)
1307 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1308 * from a linux scsi_cmnd request and send it to the IOC.
1310 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1313 mptscsih_qcmd(struct scsi_cmnd *SCpnt)
1317 SCSIIORequest_t *pScsiReq;
1318 VirtDevice *vdevice = SCpnt->device->hostdata;
1327 hd = shost_priv(SCpnt->device->host);
1330 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p\n",
1333 if (ioc->taskmgmt_quiesce_io)
1334 return SCSI_MLQUEUE_HOST_BUSY;
1337 * Put together a MPT SCSI request...
1339 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1340 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1342 return SCSI_MLQUEUE_HOST_BUSY;
1345 pScsiReq = (SCSIIORequest_t *) mf;
1347 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1349 ADD_INDEX_LOG(my_idx);
1351 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1352 * Seems we may receive a buffer (datalen>0) even when there
1353 * will be no data transfer! GRRRRR...
1355 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1356 datalen = scsi_bufflen(SCpnt);
1357 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1358 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1359 datalen = scsi_bufflen(SCpnt);
1360 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1363 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1366 /* Default to untagged. Once a target structure has been allocated,
1367 * use the Inquiry data to determine if device supports tagged.
1369 if ((vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) &&
1370 SCpnt->device->tagged_supported)
1371 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1373 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1376 /* Use the above information to set up the message frame
1378 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1379 pScsiReq->Bus = vdevice->vtarget->channel;
1380 pScsiReq->ChainOffset = 0;
1381 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1382 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1384 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1385 pScsiReq->CDBLength = SCpnt->cmd_len;
1386 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1387 pScsiReq->Reserved = 0;
1388 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1389 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1390 pScsiReq->Control = cpu_to_le32(scsictl);
1393 * Write SCSI CDB into the message
1395 cmd_len = SCpnt->cmd_len;
1396 for (ii=0; ii < cmd_len; ii++)
1397 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1399 for (ii=cmd_len; ii < 16; ii++)
1400 pScsiReq->CDB[ii] = 0;
1403 pScsiReq->DataLength = cpu_to_le32(datalen);
1405 /* SenseBuffer low address */
1406 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1407 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1409 /* Now add the SG list
1410 * Always have a SGE even if null length.
1413 /* Add a NULL SGE */
1414 ioc->add_sge((char *)&pScsiReq->SGL,
1415 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1418 /* Add a 32 or 64 bit SGE */
1419 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1423 SCpnt->host_scribble = (unsigned char *)mf;
1424 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1426 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1427 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1428 ioc->name, SCpnt, mf, my_idx));
1429 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1433 mptscsih_freeChainBuffers(ioc, my_idx);
1434 mpt_free_msg_frame(ioc, mf);
1435 return SCSI_MLQUEUE_HOST_BUSY;
1438 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1440 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1441 * with a SCSI IO request
1442 * @hd: Pointer to the MPT_SCSI_HOST instance
1443 * @req_idx: Index of the SCSI IO request frame.
1445 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1449 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1451 MPT_FRAME_HDR *chain;
1452 unsigned long flags;
1456 /* Get the first chain index and reset
1459 chain_idx = ioc->ReqToChain[req_idx];
1460 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1462 while (chain_idx != MPT_HOST_NO_CHAIN) {
1464 /* Save the next chain buffer index */
1465 next = ioc->ChainToChain[chain_idx];
1467 /* Free this chain buffer and reset
1470 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1472 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1473 + (chain_idx * ioc->req_sz));
1475 spin_lock_irqsave(&ioc->FreeQlock, flags);
1476 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1477 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1479 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1480 ioc->name, chain_idx));
1488 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1493 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1495 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1496 * @hd: Pointer to MPT_SCSI_HOST structure
1497 * @type: Task Management type
1498 * @channel: channel number for task management
1499 * @id: Logical Target ID for reset (if appropriate)
1500 * @lun: Logical Unit for reset (if appropriate)
1501 * @ctx2abort: Context for the task to be aborted (if appropriate)
1502 * @timeout: timeout for task management control
1504 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1505 * or a non-interrupt thread. In the former, must not call schedule().
1507 * Not all fields are meaningfull for all task types.
1509 * Returns 0 for SUCCESS, or FAILED.
1513 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, u64 lun,
1514 int ctx2abort, ulong timeout)
1517 SCSITaskMgmt_t *pScsiTm;
1520 MPT_ADAPTER *ioc = hd->ioc;
1521 u8 issue_hard_reset;
1523 unsigned long time_count;
1525 issue_hard_reset = 0;
1526 ioc_raw_state = mpt_GetIocState(ioc, 0);
1528 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1529 printk(MYIOC_s_WARN_FMT
1530 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1531 ioc->name, type, ioc_raw_state);
1532 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1533 ioc->name, __func__);
1534 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1535 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1536 "FAILED!!\n", ioc->name);
1540 /* DOORBELL ACTIVE check is not required if
1541 * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported.
1544 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
1545 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
1546 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
1547 printk(MYIOC_s_WARN_FMT
1548 "TaskMgmt type=%x: ioc_state: "
1549 "DOORBELL_ACTIVE (0x%x)!\n",
1550 ioc->name, type, ioc_raw_state);
1554 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1555 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1561 /* Return Fail to calling function if no message frames available.
1563 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1564 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1565 "TaskMgmt no msg frames!!\n", ioc->name));
1567 mpt_clear_taskmgmt_in_progress_flag(ioc);
1570 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1573 /* Format the Request
1575 pScsiTm = (SCSITaskMgmt_t *) mf;
1576 pScsiTm->TargetID = id;
1577 pScsiTm->Bus = channel;
1578 pScsiTm->ChainOffset = 0;
1579 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1581 pScsiTm->Reserved = 0;
1582 pScsiTm->TaskType = type;
1583 pScsiTm->Reserved1 = 0;
1584 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1585 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1587 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1589 for (ii=0; ii < 7; ii++)
1590 pScsiTm->Reserved2[ii] = 0;
1592 pScsiTm->TaskMsgContext = ctx2abort;
1594 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1595 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1598 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1600 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1601 time_count = jiffies;
1602 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1603 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1604 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1606 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1607 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1609 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1610 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1611 ioc->name, mf, retval));
1612 mpt_free_msg_frame(ioc, mf);
1613 mpt_clear_taskmgmt_in_progress_flag(ioc);
1618 wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1620 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1622 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1623 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1624 mpt_clear_taskmgmt_in_progress_flag(ioc);
1625 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1627 issue_hard_reset = 1;
1631 retval = mptscsih_taskmgmt_reply(ioc, type,
1632 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1634 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1635 "TaskMgmt completed (%d seconds)\n",
1636 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1640 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1641 if (issue_hard_reset) {
1642 printk(MYIOC_s_WARN_FMT
1643 "Issuing Reset from %s!! doorbell=0x%08x\n",
1644 ioc->name, __func__, mpt_GetIocState(ioc, 0));
1645 retval = (ioc->bus_type == SAS) ?
1646 mpt_HardResetHandler(ioc, CAN_SLEEP) :
1647 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1648 mpt_free_msg_frame(ioc, mf);
1651 retval = (retval == 0) ? 0 : FAILED;
1652 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1655 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1658 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1660 switch (ioc->bus_type) {
1671 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1673 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1674 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1676 * (linux scsi_host_template.eh_abort_handler routine)
1678 * Returns SUCCESS or FAILED.
1681 mptscsih_abort(struct scsi_cmnd * SCpnt)
1688 VirtDevice *vdevice;
1691 /* If we can't locate our host adapter structure, return FAILED status.
1693 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1694 SCpnt->result = DID_RESET << 16;
1696 printk(KERN_ERR MYNAM ": task abort: "
1697 "can't locate host! (sc=%p)\n", SCpnt);
1702 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1704 scsi_print_command(SCpnt);
1706 vdevice = SCpnt->device->hostdata;
1707 if (!vdevice || !vdevice->vtarget) {
1708 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1709 "task abort: device has been deleted (sc=%p)\n",
1711 SCpnt->result = DID_NO_CONNECT << 16;
1717 /* Task aborts are not supported for hidden raid components.
1719 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1720 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1721 "task abort: hidden raid component (sc=%p)\n",
1723 SCpnt->result = DID_RESET << 16;
1728 /* Task aborts are not supported for volumes.
1730 if (vdevice->vtarget->raidVolume) {
1731 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1732 "task abort: raid volume (sc=%p)\n",
1734 SCpnt->result = DID_RESET << 16;
1739 /* Find this command
1741 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1742 /* Cmd not found in ScsiLookup.
1745 SCpnt->result = DID_RESET << 16;
1746 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1747 "Command not in the active list! (sc=%p)\n", ioc->name,
1753 if (ioc->timeouts < -1)
1756 if (mpt_fwfault_debug)
1757 mpt_halt_firmware(ioc);
1759 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1760 * (the IO to be ABORT'd)
1762 * NOTE: Since we do not byteswap MsgContext, we do not
1763 * swap it here either. It is an opaque cookie to
1764 * the controller, so it does not matter. -DaveM
1766 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1767 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1768 retval = mptscsih_IssueTaskMgmt(hd,
1769 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1770 vdevice->vtarget->channel,
1771 vdevice->vtarget->id, vdevice->lun,
1772 ctx2abort, mptscsih_get_tm_timeout(ioc));
1774 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
1775 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1776 "task abort: command still in active list! (sc=%p)\n",
1780 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1781 "task abort: command cleared from active list! (sc=%p)\n",
1787 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
1788 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1794 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1796 * mptscsih_dev_reset - Perform a SCSI LOGICAL_UNIT_RESET!
1797 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1799 * (linux scsi_host_template.eh_dev_reset_handler routine)
1801 * Returns SUCCESS or FAILED.
1804 mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1808 VirtDevice *vdevice;
1811 /* If we can't locate our host adapter structure, return FAILED status.
1813 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1814 printk(KERN_ERR MYNAM ": lun reset: "
1815 "Can't locate host! (sc=%p)\n", SCpnt);
1820 printk(MYIOC_s_INFO_FMT "attempting lun reset! (sc=%p)\n",
1822 scsi_print_command(SCpnt);
1824 vdevice = SCpnt->device->hostdata;
1825 if (!vdevice || !vdevice->vtarget) {
1830 retval = mptscsih_IssueTaskMgmt(hd,
1831 MPI_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET,
1832 vdevice->vtarget->channel,
1833 vdevice->vtarget->id, vdevice->lun, 0,
1834 mptscsih_get_tm_timeout(ioc));
1837 printk (MYIOC_s_INFO_FMT "lun reset: %s (sc=%p)\n",
1838 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1846 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1848 * mptscsih_target_reset - Perform a SCSI TARGET_RESET!
1849 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1851 * (linux scsi_host_template.eh_target_reset_handler routine)
1853 * Returns SUCCESS or FAILED.
1856 mptscsih_target_reset(struct scsi_cmnd * SCpnt)
1860 VirtDevice *vdevice;
1863 /* If we can't locate our host adapter structure, return FAILED status.
1865 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1866 printk(KERN_ERR MYNAM ": target reset: "
1867 "Can't locate host! (sc=%p)\n", SCpnt);
1872 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1874 scsi_print_command(SCpnt);
1876 vdevice = SCpnt->device->hostdata;
1877 if (!vdevice || !vdevice->vtarget) {
1882 /* Target reset to hidden raid component is not supported
1884 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1889 retval = mptscsih_IssueTaskMgmt(hd,
1890 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1891 vdevice->vtarget->channel,
1892 vdevice->vtarget->id, 0, 0,
1893 mptscsih_get_tm_timeout(ioc));
1896 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1897 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1906 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1908 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1909 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1911 * (linux scsi_host_template.eh_bus_reset_handler routine)
1913 * Returns SUCCESS or FAILED.
1916 mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1920 VirtDevice *vdevice;
1923 /* If we can't locate our host adapter structure, return FAILED status.
1925 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1926 printk(KERN_ERR MYNAM ": bus reset: "
1927 "Can't locate host! (sc=%p)\n", SCpnt);
1932 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1934 scsi_print_command(SCpnt);
1936 if (ioc->timeouts < -1)
1939 vdevice = SCpnt->device->hostdata;
1940 if (!vdevice || !vdevice->vtarget)
1942 retval = mptscsih_IssueTaskMgmt(hd,
1943 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1944 vdevice->vtarget->channel, 0, 0, 0,
1945 mptscsih_get_tm_timeout(ioc));
1947 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1948 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1956 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1958 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1959 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1961 * (linux scsi_host_template.eh_host_reset_handler routine)
1963 * Returns SUCCESS or FAILED.
1966 mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1969 int status = SUCCESS;
1973 /* If we can't locate the host to reset, then we failed. */
1974 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1975 printk(KERN_ERR MYNAM ": host reset: "
1976 "Can't locate host! (sc=%p)\n", SCpnt);
1980 /* make sure we have no outstanding commands at this stage */
1981 mptscsih_flush_running_cmds(hd);
1984 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1987 /* If our attempts to reset the host failed, then return a failed
1988 * status. The host will be taken off line by the SCSI mid-layer.
1990 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1996 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1997 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
2003 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
2004 SCSITaskMgmtReply_t *pScsiTmReply)
2007 u32 termination_count;
2010 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
2015 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
2017 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2018 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
2020 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2021 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
2022 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
2023 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
2024 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
2025 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
2026 termination_count));
2028 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
2029 pScsiTmReply->ResponseCode)
2030 mptscsih_taskmgmt_response_code(ioc,
2031 pScsiTmReply->ResponseCode);
2033 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
2039 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
2040 if (termination_count == 1)
2045 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
2046 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2053 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2055 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2059 switch (response_code) {
2060 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2061 desc = "The task completed.";
2063 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2064 desc = "The IOC received an invalid frame status.";
2066 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2067 desc = "The task type is not supported.";
2069 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2070 desc = "The requested task failed.";
2072 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2073 desc = "The task completed successfully.";
2075 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2076 desc = "The LUN request is invalid.";
2078 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2079 desc = "The task is in the IOC queue and has not been sent to target.";
2085 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2086 ioc->name, response_code, desc);
2088 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2090 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2092 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2093 * @ioc: Pointer to MPT_ADAPTER structure
2094 * @mf: Pointer to SCSI task mgmt request frame
2095 * @mr: Pointer to SCSI task mgmt reply frame
2097 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2098 * of any SCSI task management request.
2099 * This routine is registered with the MPT (base) driver at driver
2100 * load/init time via the mpt_register() API call.
2102 * Returns 1 indicating alloc'd request frame ptr should be freed.
2105 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2108 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2109 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2111 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2116 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2117 memcpy(ioc->taskmgmt_cmds.reply, mr,
2118 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2120 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2121 mpt_clear_taskmgmt_in_progress_flag(ioc);
2122 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2123 complete(&ioc->taskmgmt_cmds.done);
2124 if (ioc->bus_type == SAS)
2125 ioc->schedule_target_reset(ioc);
2131 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2133 * This is anyones guess quite frankly.
2136 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2137 sector_t capacity, int geom[])
2147 dummy = heads * sectors;
2148 cylinders = capacity;
2149 sector_div(cylinders,dummy);
2152 * Handle extended translation size for logical drives
2155 if ((ulong)capacity >= 0x200000) {
2158 dummy = heads * sectors;
2159 cylinders = capacity;
2160 sector_div(cylinders,dummy);
2166 geom[2] = cylinders;
2171 /* Search IOC page 3 to determine if this is hidden physical disk
2175 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2177 struct inactive_raid_component_info *component_info;
2179 RaidPhysDiskPage1_t *phys_disk;
2183 if (!ioc->raid_data.pIocPg3)
2185 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2186 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2187 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2193 if (ioc->bus_type != SAS)
2197 * Check if dual path
2199 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2200 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2201 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2204 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2205 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2208 if ((mpt_raid_phys_disk_pg1(ioc,
2209 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2214 for (j = 0; j < num_paths; j++) {
2215 if ((phys_disk->Path[j].Flags &
2216 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2218 if ((phys_disk->Path[j].Flags &
2219 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2221 if ((id == phys_disk->Path[j].PhysDiskID) &&
2222 (channel == phys_disk->Path[j].PhysDiskBus)) {
2233 * Check inactive list for matching phys disks
2235 if (list_empty(&ioc->raid_data.inactive_list))
2238 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2239 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2241 if ((component_info->d.PhysDiskID == id) &&
2242 (component_info->d.PhysDiskBus == channel))
2245 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2250 EXPORT_SYMBOL(mptscsih_is_phys_disk);
2253 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2255 struct inactive_raid_component_info *component_info;
2257 RaidPhysDiskPage1_t *phys_disk;
2261 if (!ioc->raid_data.pIocPg3)
2263 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2264 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2265 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2266 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2271 if (ioc->bus_type != SAS)
2275 * Check if dual path
2277 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2278 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2279 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2282 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2283 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2286 if ((mpt_raid_phys_disk_pg1(ioc,
2287 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2292 for (j = 0; j < num_paths; j++) {
2293 if ((phys_disk->Path[j].Flags &
2294 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2296 if ((phys_disk->Path[j].Flags &
2297 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2299 if ((id == phys_disk->Path[j].PhysDiskID) &&
2300 (channel == phys_disk->Path[j].PhysDiskBus)) {
2301 rc = phys_disk->PhysDiskNum;
2310 * Check inactive list for matching phys disks
2312 if (list_empty(&ioc->raid_data.inactive_list))
2315 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2316 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2318 if ((component_info->d.PhysDiskID == id) &&
2319 (component_info->d.PhysDiskBus == channel))
2320 rc = component_info->d.PhysDiskNum;
2322 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2327 EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2330 * OS entry point to allow for host driver to free allocated memory
2331 * Called if no device present or device being unloaded
2334 mptscsih_slave_destroy(struct scsi_device *sdev)
2336 struct Scsi_Host *host = sdev->host;
2337 MPT_SCSI_HOST *hd = shost_priv(host);
2338 VirtTarget *vtarget;
2339 VirtDevice *vdevice;
2340 struct scsi_target *starget;
2342 starget = scsi_target(sdev);
2343 vtarget = starget->hostdata;
2344 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
2361 * Adding support for new 'change_queue_depth' api.
2364 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
2366 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2367 VirtTarget *vtarget;
2368 struct scsi_target *starget;
2370 MPT_ADAPTER *ioc = hd->ioc;
2372 starget = scsi_target(sdev);
2373 vtarget = starget->hostdata;
2375 if (ioc->bus_type == SPI) {
2376 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2378 else if (sdev->type == TYPE_DISK &&
2379 vtarget->minSyncFactor <= MPT_ULTRA160)
2380 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2382 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2384 max_depth = ioc->sh->can_queue;
2386 if (!sdev->tagged_supported)
2389 if (qdepth > max_depth)
2392 return scsi_change_queue_depth(sdev, qdepth);
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=%llu\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\n",
2439 ioc->name,sdev->tagged_supported, sdev->simple_tags));
2441 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2446 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2448 * Private routines...
2451 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2452 /* Utility function to copy sense data from the scsi_cmnd buffer
2453 * to the FC and SCSI target structures.
2457 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2459 VirtDevice *vdevice;
2460 SCSIIORequest_t *pReq;
2461 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2462 MPT_ADAPTER *ioc = hd->ioc;
2464 /* Get target structure
2466 pReq = (SCSIIORequest_t *) mf;
2467 vdevice = sc->device->hostdata;
2473 /* Copy the sense received into the scsi command block. */
2474 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2475 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2476 memcpy(sc->sense_buffer, sense_data, MPT_SENSE_BUFFER_ALLOC);
2478 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2480 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2481 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2484 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2485 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2486 ioc->events[idx].eventContext = ioc->eventContext;
2488 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2489 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2490 (sc->device->channel << 8) | sc->device->id;
2492 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2494 ioc->eventContext++;
2495 if (ioc->pcidev->vendor ==
2496 PCI_VENDOR_ID_IBM) {
2497 mptscsih_issue_sep_command(ioc,
2498 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2499 vdevice->vtarget->tflags |=
2500 MPT_TARGET_FLAGS_LED_ON;
2505 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2511 * mptscsih_get_scsi_lookup - retrieves scmd entry
2512 * @ioc: Pointer to MPT_ADAPTER structure
2513 * @i: index into the array
2515 * Returns the scsi_cmd pointer
2518 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2520 unsigned long flags;
2521 struct scsi_cmnd *scmd;
2523 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2524 scmd = ioc->ScsiLookup[i];
2525 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2529 EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2532 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2533 * @ioc: Pointer to MPT_ADAPTER structure
2534 * @i: index into the array
2536 * Returns the scsi_cmd pointer
2539 static struct scsi_cmnd *
2540 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2542 unsigned long flags;
2543 struct scsi_cmnd *scmd;
2545 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2546 scmd = ioc->ScsiLookup[i];
2547 ioc->ScsiLookup[i] = NULL;
2548 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2554 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
2556 * @ioc: Pointer to MPT_ADAPTER structure
2557 * @i: index into the array
2558 * @scmd: scsi_cmnd pointer
2562 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2564 unsigned long flags;
2566 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2567 ioc->ScsiLookup[i] = scmd;
2568 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2572 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2573 * @ioc: Pointer to MPT_ADAPTER structure
2574 * @sc: scsi_cmnd pointer
2577 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2579 unsigned long flags;
2582 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2583 for (i = 0; i < ioc->req_depth; i++) {
2584 if (ioc->ScsiLookup[i] == sc) {
2591 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2595 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2597 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2601 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2604 hd = shost_priv(ioc->sh);
2605 switch (reset_phase) {
2606 case MPT_IOC_SETUP_RESET:
2607 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2608 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2610 case MPT_IOC_PRE_RESET:
2611 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2612 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2613 mptscsih_flush_running_cmds(hd);
2615 case MPT_IOC_POST_RESET:
2616 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2617 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2618 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2619 ioc->internal_cmds.status |=
2620 MPT_MGMT_STATUS_DID_IOCRESET;
2621 complete(&ioc->internal_cmds.done);
2627 return 1; /* currently means nothing really */
2630 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2632 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2634 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2636 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2637 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2640 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2641 event == MPI_EVENT_EXT_BUS_RESET) &&
2642 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2645 return 1; /* currently means nothing really */
2648 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2650 * Bus Scan and Domain Validation functionality ...
2653 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2655 * mptscsih_scandv_complete - Scan and DV callback routine registered
2656 * to Fustion MPT (base) driver.
2658 * @ioc: Pointer to MPT_ADAPTER structure
2659 * @mf: Pointer to original MPT request frame
2660 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2662 * This routine is called from mpt.c::mpt_interrupt() at the completion
2663 * of any SCSI IO request.
2664 * This routine is registered with the Fusion MPT (base) driver at driver
2665 * load/init time via the mpt_register() API call.
2667 * Returns 1 indicating alloc'd request frame ptr should be freed.
2669 * Remark: Sets a completion code and (possibly) saves sense data
2670 * in the IOC member localReply structure.
2671 * Used ONLY for DV and other internal commands.
2674 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2675 MPT_FRAME_HDR *reply)
2677 SCSIIORequest_t *pReq;
2678 SCSIIOReply_t *pReply;
2684 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2685 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2689 pReply = (SCSIIOReply_t *) reply;
2690 pReq = (SCSIIORequest_t *) req;
2691 ioc->internal_cmds.completion_code =
2692 mptscsih_get_completion_code(ioc, req, reply);
2693 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2694 memcpy(ioc->internal_cmds.reply, reply,
2695 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2696 cmd = reply->u.hdr.Function;
2697 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2698 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2699 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2700 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2701 sense_data = ((u8 *)ioc->sense_buf_pool +
2702 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2703 sz = min_t(int, pReq->SenseBufferLength,
2704 MPT_SENSE_BUFFER_ALLOC);
2705 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2708 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2710 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2711 complete(&ioc->internal_cmds.done);
2717 * mptscsih_get_completion_code - get completion code from MPT request
2718 * @ioc: Pointer to MPT_ADAPTER structure
2719 * @req: Pointer to original MPT request frame
2720 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
2724 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2725 MPT_FRAME_HDR *reply)
2727 SCSIIOReply_t *pReply;
2728 MpiRaidActionReply_t *pr;
2731 int completion_code;
2733 pReply = (SCSIIOReply_t *)reply;
2734 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2735 scsi_status = pReply->SCSIStatus;
2737 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2738 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2739 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2740 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2744 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2745 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2748 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2749 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2750 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2751 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2752 completion_code = MPT_SCANDV_DID_RESET;
2755 case MPI_IOCSTATUS_BUSY:
2756 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2757 completion_code = MPT_SCANDV_BUSY;
2760 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2761 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2762 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2763 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2764 completion_code = MPT_SCANDV_GOOD;
2765 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2766 pr = (MpiRaidActionReply_t *)reply;
2767 if (le16_to_cpu(pr->ActionStatus) ==
2768 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2769 completion_code = MPT_SCANDV_GOOD;
2771 completion_code = MPT_SCANDV_SOME_ERROR;
2772 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2773 completion_code = MPT_SCANDV_SENSE;
2774 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2775 if (req->u.scsireq.CDB[0] == INQUIRY)
2776 completion_code = MPT_SCANDV_ISSUE_SENSE;
2778 completion_code = MPT_SCANDV_DID_RESET;
2779 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2780 completion_code = MPT_SCANDV_DID_RESET;
2781 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2782 completion_code = MPT_SCANDV_DID_RESET;
2783 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2784 completion_code = MPT_SCANDV_BUSY;
2786 completion_code = MPT_SCANDV_GOOD;
2789 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2790 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2791 completion_code = MPT_SCANDV_DID_RESET;
2793 completion_code = MPT_SCANDV_SOME_ERROR;
2796 completion_code = MPT_SCANDV_SOME_ERROR;
2799 } /* switch(status) */
2801 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2802 " completionCode set to %08xh\n", ioc->name, completion_code));
2803 return completion_code;
2806 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2808 * mptscsih_do_cmd - Do internal command.
2809 * @hd: MPT_SCSI_HOST pointer
2810 * @io: INTERNAL_CMD pointer.
2812 * Issue the specified internally generated command and do command
2813 * specific cleanup. For bus scan / DV only.
2814 * NOTES: If command is Inquiry and status is good,
2815 * initialize a target structure, save the data
2817 * Remark: Single threaded access only.
2820 * < 0 if an illegal command or no resources
2824 * > 0 if command complete but some type of completion error.
2827 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2830 SCSIIORequest_t *pScsiReq;
2831 int my_idx, ii, dir;
2834 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2836 MPT_ADAPTER *ioc = hd->ioc;
2838 unsigned long timeleft;
2839 unsigned long flags;
2841 /* don't send internal command during diag reset */
2842 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2843 if (ioc->ioc_reset_in_progress) {
2844 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2845 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2846 "%s: busy with host reset\n", ioc->name, __func__));
2847 return MPT_SCANDV_BUSY;
2849 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2851 mutex_lock(&ioc->internal_cmds.mutex);
2853 /* Set command specific information
2858 dir = MPI_SCSIIO_CONTROL_READ;
2864 case TEST_UNIT_READY:
2866 dir = MPI_SCSIIO_CONTROL_READ;
2872 dir = MPI_SCSIIO_CONTROL_READ;
2874 CDB[4] = 1; /*Spin up the disk */
2882 dir = MPI_SCSIIO_CONTROL_READ;
2888 dir = MPI_SCSIIO_CONTROL_READ;
2890 if (io->flags & MPT_ICFLAG_ECHO) {
2896 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2899 CDB[6] = (io->size >> 16) & 0xFF;
2900 CDB[7] = (io->size >> 8) & 0xFF;
2901 CDB[8] = io->size & 0xFF;
2907 dir = MPI_SCSIIO_CONTROL_WRITE;
2909 if (io->flags & MPT_ICFLAG_ECHO) {
2914 CDB[6] = (io->size >> 16) & 0xFF;
2915 CDB[7] = (io->size >> 8) & 0xFF;
2916 CDB[8] = io->size & 0xFF;
2922 dir = MPI_SCSIIO_CONTROL_READ;
2929 dir = MPI_SCSIIO_CONTROL_READ;
2934 case SYNCHRONIZE_CACHE:
2936 dir = MPI_SCSIIO_CONTROL_READ;
2938 // CDB[1] = 0x02; /* set immediate bit */
2948 /* Get and Populate a free Frame
2949 * MsgContext set in mpt_get_msg_frame call
2951 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
2952 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2953 ioc->name, __func__));
2954 ret = MPT_SCANDV_BUSY;
2958 pScsiReq = (SCSIIORequest_t *) mf;
2960 /* Get the request index */
2961 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2962 ADD_INDEX_LOG(my_idx); /* for debug */
2964 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2965 pScsiReq->TargetID = io->physDiskNum;
2967 pScsiReq->ChainOffset = 0;
2968 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2970 pScsiReq->TargetID = io->id;
2971 pScsiReq->Bus = io->channel;
2972 pScsiReq->ChainOffset = 0;
2973 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2976 pScsiReq->CDBLength = cmdLen;
2977 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2979 pScsiReq->Reserved = 0;
2981 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
2982 /* MsgContext set in mpt_get_msg_fram call */
2984 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
2986 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2987 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
2989 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2991 if (cmd == REQUEST_SENSE) {
2992 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2993 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2994 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
2997 for (ii = 0; ii < 16; ii++)
2998 pScsiReq->CDB[ii] = CDB[ii];
3000 pScsiReq->DataLength = cpu_to_le32(io->size);
3001 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
3002 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
3004 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3005 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n",
3006 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
3008 if (dir == MPI_SCSIIO_CONTROL_READ)
3009 ioc->add_sge((char *) &pScsiReq->SGL,
3010 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
3012 ioc->add_sge((char *) &pScsiReq->SGL,
3013 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
3015 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
3016 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
3017 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
3019 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
3020 ret = MPT_SCANDV_DID_RESET;
3021 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3022 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
3024 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
3025 mpt_free_msg_frame(ioc, mf);
3029 printk(MYIOC_s_WARN_FMT
3030 "Issuing Reset from %s!! doorbell=0x%08xh"
3032 ioc->name, __func__, mpt_GetIocState(ioc, 0),
3034 mpt_Soft_Hard_ResetHandler(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 static struct attribute *mptscsih_host_attrs[] = {
3273 &dev_attr_version_fw.attr,
3274 &dev_attr_version_bios.attr,
3275 &dev_attr_version_mpi.attr,
3276 &dev_attr_version_product.attr,
3277 &dev_attr_version_nvdata_persistent.attr,
3278 &dev_attr_version_nvdata_default.attr,
3279 &dev_attr_board_name.attr,
3280 &dev_attr_board_assembly.attr,
3281 &dev_attr_board_tracer.attr,
3282 &dev_attr_io_delay.attr,
3283 &dev_attr_device_delay.attr,
3284 &dev_attr_debug_level.attr,
3288 static const struct attribute_group mptscsih_host_attr_group = {
3289 .attrs = mptscsih_host_attrs
3292 const struct attribute_group *mptscsih_host_attr_groups[] = {
3293 &mptscsih_host_attr_group,
3296 EXPORT_SYMBOL(mptscsih_host_attr_groups);
3298 EXPORT_SYMBOL(mptscsih_remove);
3299 EXPORT_SYMBOL(mptscsih_shutdown);
3301 EXPORT_SYMBOL(mptscsih_suspend);
3302 EXPORT_SYMBOL(mptscsih_resume);
3304 EXPORT_SYMBOL(mptscsih_show_info);
3305 EXPORT_SYMBOL(mptscsih_info);
3306 EXPORT_SYMBOL(mptscsih_qcmd);
3307 EXPORT_SYMBOL(mptscsih_slave_destroy);
3308 EXPORT_SYMBOL(mptscsih_slave_configure);
3309 EXPORT_SYMBOL(mptscsih_abort);
3310 EXPORT_SYMBOL(mptscsih_dev_reset);
3311 EXPORT_SYMBOL(mptscsih_target_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 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/