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;
668 scsi_state = pScsiReply->SCSIState;
669 scsi_status = pScsiReply->SCSIStatus;
670 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
671 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
672 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
675 * if we get a data underrun indication, yet no data was
676 * transferred and the SCSI status indicates that the
677 * command was never started, change the data underrun
680 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
681 (scsi_status == MPI_SCSI_STATUS_BUSY ||
682 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
683 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
684 status = MPI_IOCSTATUS_SUCCESS;
687 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
688 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
691 * Look for + dump FCP ResponseInfo[]!
693 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
694 pScsiReply->ResponseInfo) {
695 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%d] "
696 "FCP_ResponseInfo=%08xh\n", ioc->name,
697 sc->device->host->host_no, sc->device->channel,
698 sc->device->id, sc->device->lun,
699 le32_to_cpu(pScsiReply->ResponseInfo));
703 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
704 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
706 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
707 * But not: DID_BUS_BUSY lest one risk
708 * killing interrupt handler:-(
710 sc->result = SAM_STAT_BUSY;
713 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
714 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
715 sc->result = DID_BAD_TARGET << 16;
718 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
719 /* Spoof to SCSI Selection Timeout! */
720 if (ioc->bus_type != FC)
721 sc->result = DID_NO_CONNECT << 16;
722 /* else fibre, just stall until rescan event */
724 sc->result = DID_REQUEUE << 16;
726 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
727 hd->sel_timeout[pScsiReq->TargetID]++;
729 vdevice = sc->device->hostdata;
732 vtarget = vdevice->vtarget;
733 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
734 mptscsih_issue_sep_command(ioc, vtarget,
735 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
736 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
740 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
741 if ( ioc->bus_type == SAS ) {
743 le16_to_cpu(pScsiReply->IOCStatus);
745 MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
747 ((log_info & SAS_LOGINFO_MASK) ==
748 SAS_LOGINFO_NEXUS_LOSS)) {
749 VirtDevice *vdevice =
750 sc->device->hostdata;
752 /* flag the device as being in
753 * device removal delay so we can
754 * notify the midlayer to hold off
756 if (vdevice && vdevice->
761 "Skipping Raid Volume"
769 (DID_TRANSPORT_DISRUPTED
773 } else if (ioc->bus_type == FC) {
775 * The FC IOC may kill a request for variety of
776 * reasons, some of which may be recovered by a
777 * retry, some which are unlikely to be
778 * recovered. Return DID_ERROR instead of
779 * DID_RESET to permit retry of the command,
780 * just not an infinite number of them
782 sc->result = DID_ERROR << 16;
787 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
790 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
791 /* Linux handles an unsolicited DID_RESET better
792 * than an unsolicited DID_ABORT.
794 sc->result = DID_RESET << 16;
797 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
798 if (ioc->bus_type == FC)
799 sc->result = DID_ERROR << 16;
801 sc->result = DID_RESET << 16;
804 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
805 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
806 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
807 sc->result=DID_SOFT_ERROR << 16;
808 else /* Sufficient data transfer occurred */
809 sc->result = (DID_OK << 16) | scsi_status;
810 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
811 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
812 ioc->name, sc->result, sc->device->channel, sc->device->id));
815 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
817 * Do upfront check for valid SenseData and give it
820 sc->result = (DID_OK << 16) | scsi_status;
821 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
824 * For an Errata on LSI53C1030
825 * When the length of request data
826 * and transfer data are different
827 * with result of command (READ or VERIFY),
828 * DID_SOFT_ERROR is set.
830 if (ioc->bus_type == SPI) {
831 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
832 pScsiReq->CDB[0] == READ_10 ||
833 pScsiReq->CDB[0] == READ_12 ||
834 (pScsiReq->CDB[0] == READ_16 &&
835 ((pScsiReq->CDB[1] & 0x02) == 0)) ||
836 pScsiReq->CDB[0] == VERIFY ||
837 pScsiReq->CDB[0] == VERIFY_16) {
838 if (scsi_bufflen(sc) !=
841 DID_SOFT_ERROR << 16;
842 printk(KERN_WARNING "Errata"
843 "on LSI53C1030 occurred."
844 "sc->req_bufflen=0x%02x,"
852 if (xfer_cnt < sc->underflow) {
853 if (scsi_status == SAM_STAT_BUSY)
854 sc->result = SAM_STAT_BUSY;
856 sc->result = DID_SOFT_ERROR << 16;
858 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
861 sc->result = DID_SOFT_ERROR << 16;
863 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
864 /* Not real sure here either... */
865 sc->result = DID_RESET << 16;
870 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
871 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
872 ioc->name, sc->underflow));
873 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
874 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
878 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
879 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
883 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
884 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 sc->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:%d) 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;
1179 scsi_remove_host(host);
1181 if((hd = shost_priv(host)) == NULL)
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",
1198 kfree(hd->info_kbuf);
1200 /* NULL the Scsi_Host pointer
1204 scsi_host_put(host);
1210 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1212 * mptscsih_shutdown - reboot notifier
1216 mptscsih_shutdown(struct pci_dev *pdev)
1221 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1223 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1228 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1230 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1232 scsi_block_requests(ioc->sh);
1233 flush_scheduled_work();
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);
1275 if (h->info_kbuf == NULL)
1276 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1277 return h->info_kbuf;
1278 h->info_kbuf[0] = '\0';
1280 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1281 h->info_kbuf[size-1] = '\0';
1284 return h->info_kbuf;
1295 mptscsih_copy_mem_info(struct info_str *info, char *data, int len)
1297 if (info->pos + len > info->length)
1298 len = info->length - info->pos;
1300 if (info->pos + len < info->offset) {
1305 if (info->pos < info->offset) {
1306 data += (info->offset - info->pos);
1307 len -= (info->offset - info->pos);
1311 memcpy(info->buffer + info->pos, data, len);
1317 mptscsih_copy_info(struct info_str *info, char *fmt, ...)
1323 va_start(args, fmt);
1324 len = vsprintf(buf, fmt, args);
1327 mptscsih_copy_mem_info(info, buf, len);
1332 mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len)
1334 struct info_str info;
1338 info.offset = offset;
1341 mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name);
1342 mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1343 mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts);
1344 mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth);
1346 return ((info.pos > info.offset) ? info.pos - info.offset : 0);
1349 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1351 * mptscsih_proc_info - Return information about MPT adapter
1352 * @host: scsi host struct
1353 * @buffer: if write, user data; if read, buffer for user
1354 * @start: returns the buffer address
1355 * @offset: if write, 0; if read, the current offset into the buffer from
1356 * the previous read.
1357 * @length: if write, return length;
1358 * @func: write = 1; read = 0
1360 * (linux scsi_host_template.info routine)
1363 mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
1364 int length, int func)
1366 MPT_SCSI_HOST *hd = shost_priv(host);
1367 MPT_ADAPTER *ioc = hd->ioc;
1372 * write is not supported
1378 size = mptscsih_host_info(ioc, buffer, offset, length);
1384 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1385 #define ADD_INDEX_LOG(req_ent) do { } while(0)
1387 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1389 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1390 * @SCpnt: Pointer to scsi_cmnd structure
1391 * @done: Pointer SCSI mid-layer IO completion function
1393 * (linux scsi_host_template.queuecommand routine)
1394 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1395 * from a linux scsi_cmnd request and send it to the IOC.
1397 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1400 mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1404 SCSIIORequest_t *pScsiReq;
1405 VirtDevice *vdevice = SCpnt->device->hostdata;
1414 hd = shost_priv(SCpnt->device->host);
1416 SCpnt->scsi_done = done;
1418 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n",
1419 ioc->name, SCpnt, done));
1421 if (ioc->taskmgmt_quiesce_io)
1422 return SCSI_MLQUEUE_HOST_BUSY;
1425 * Put together a MPT SCSI request...
1427 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1428 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1430 return SCSI_MLQUEUE_HOST_BUSY;
1433 pScsiReq = (SCSIIORequest_t *) mf;
1435 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1437 ADD_INDEX_LOG(my_idx);
1439 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1440 * Seems we may receive a buffer (datalen>0) even when there
1441 * will be no data transfer! GRRRRR...
1443 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1444 datalen = scsi_bufflen(SCpnt);
1445 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1446 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1447 datalen = scsi_bufflen(SCpnt);
1448 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1451 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1454 /* Default to untagged. Once a target structure has been allocated,
1455 * use the Inquiry data to determine if device supports tagged.
1458 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
1459 && (SCpnt->device->tagged_supported)) {
1460 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1461 if (SCpnt->request && SCpnt->request->ioprio) {
1462 if (((SCpnt->request->ioprio & 0x7) == 1) ||
1463 !(SCpnt->request->ioprio & 0x7))
1464 scsictl |= MPI_SCSIIO_CONTROL_HEADOFQ;
1467 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1470 /* Use the above information to set up the message frame
1472 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1473 pScsiReq->Bus = vdevice->vtarget->channel;
1474 pScsiReq->ChainOffset = 0;
1475 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1476 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1478 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1479 pScsiReq->CDBLength = SCpnt->cmd_len;
1480 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1481 pScsiReq->Reserved = 0;
1482 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1483 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1484 pScsiReq->Control = cpu_to_le32(scsictl);
1487 * Write SCSI CDB into the message
1489 cmd_len = SCpnt->cmd_len;
1490 for (ii=0; ii < cmd_len; ii++)
1491 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1493 for (ii=cmd_len; ii < 16; ii++)
1494 pScsiReq->CDB[ii] = 0;
1497 pScsiReq->DataLength = cpu_to_le32(datalen);
1499 /* SenseBuffer low address */
1500 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1501 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1503 /* Now add the SG list
1504 * Always have a SGE even if null length.
1507 /* Add a NULL SGE */
1508 ioc->add_sge((char *)&pScsiReq->SGL,
1509 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1512 /* Add a 32 or 64 bit SGE */
1513 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1517 SCpnt->host_scribble = (unsigned char *)mf;
1518 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1520 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1521 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1522 ioc->name, SCpnt, mf, my_idx));
1523 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1527 mptscsih_freeChainBuffers(ioc, my_idx);
1528 mpt_free_msg_frame(ioc, mf);
1529 return SCSI_MLQUEUE_HOST_BUSY;
1532 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1534 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1535 * with a SCSI IO request
1536 * @hd: Pointer to the MPT_SCSI_HOST instance
1537 * @req_idx: Index of the SCSI IO request frame.
1539 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1543 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1545 MPT_FRAME_HDR *chain;
1546 unsigned long flags;
1550 /* Get the first chain index and reset
1553 chain_idx = ioc->ReqToChain[req_idx];
1554 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1556 while (chain_idx != MPT_HOST_NO_CHAIN) {
1558 /* Save the next chain buffer index */
1559 next = ioc->ChainToChain[chain_idx];
1561 /* Free this chain buffer and reset
1564 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1566 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1567 + (chain_idx * ioc->req_sz));
1569 spin_lock_irqsave(&ioc->FreeQlock, flags);
1570 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1571 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1573 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1574 ioc->name, chain_idx));
1582 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1587 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1589 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1590 * @hd: Pointer to MPT_SCSI_HOST structure
1591 * @type: Task Management type
1592 * @channel: channel number for task management
1593 * @id: Logical Target ID for reset (if appropriate)
1594 * @lun: Logical Unit for reset (if appropriate)
1595 * @ctx2abort: Context for the task to be aborted (if appropriate)
1596 * @timeout: timeout for task management control
1598 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1599 * or a non-interrupt thread. In the former, must not call schedule().
1601 * Not all fields are meaningfull for all task types.
1603 * Returns 0 for SUCCESS, or FAILED.
1607 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun,
1608 int ctx2abort, ulong timeout)
1611 SCSITaskMgmt_t *pScsiTm;
1614 MPT_ADAPTER *ioc = hd->ioc;
1615 unsigned long timeleft;
1616 u8 issue_hard_reset;
1618 unsigned long time_count;
1620 issue_hard_reset = 0;
1621 ioc_raw_state = mpt_GetIocState(ioc, 0);
1623 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1624 printk(MYIOC_s_WARN_FMT
1625 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1626 ioc->name, type, ioc_raw_state);
1627 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1628 ioc->name, __func__);
1629 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1630 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1631 "FAILED!!\n", ioc->name);
1635 /* DOORBELL ACTIVE check is not required if
1636 * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported.
1639 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
1640 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
1641 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
1642 printk(MYIOC_s_WARN_FMT
1643 "TaskMgmt type=%x: ioc_state: "
1644 "DOORBELL_ACTIVE (0x%x)!\n",
1645 ioc->name, type, ioc_raw_state);
1649 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1650 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1656 /* Return Fail to calling function if no message frames available.
1658 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1659 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1660 "TaskMgmt no msg frames!!\n", ioc->name));
1662 mpt_clear_taskmgmt_in_progress_flag(ioc);
1665 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1668 /* Format the Request
1670 pScsiTm = (SCSITaskMgmt_t *) mf;
1671 pScsiTm->TargetID = id;
1672 pScsiTm->Bus = channel;
1673 pScsiTm->ChainOffset = 0;
1674 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1676 pScsiTm->Reserved = 0;
1677 pScsiTm->TaskType = type;
1678 pScsiTm->Reserved1 = 0;
1679 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1680 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1682 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1684 for (ii=0; ii < 7; ii++)
1685 pScsiTm->Reserved2[ii] = 0;
1687 pScsiTm->TaskMsgContext = ctx2abort;
1689 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1690 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1693 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1695 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1696 time_count = jiffies;
1697 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1698 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1699 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1701 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1702 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1704 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1705 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1706 ioc->name, mf, retval));
1707 mpt_free_msg_frame(ioc, mf);
1708 mpt_clear_taskmgmt_in_progress_flag(ioc);
1713 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1715 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1717 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1718 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1719 mpt_clear_taskmgmt_in_progress_flag(ioc);
1720 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1722 issue_hard_reset = 1;
1726 retval = mptscsih_taskmgmt_reply(ioc, type,
1727 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1729 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1730 "TaskMgmt completed (%d seconds)\n",
1731 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1735 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1736 if (issue_hard_reset) {
1737 printk(MYIOC_s_WARN_FMT
1738 "Issuing Reset from %s!! doorbell=0x%08x\n",
1739 ioc->name, __func__, mpt_GetIocState(ioc, 0));
1740 retval = (ioc->bus_type == SAS) ?
1741 mpt_HardResetHandler(ioc, CAN_SLEEP) :
1742 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1743 mpt_free_msg_frame(ioc, mf);
1746 retval = (retval == 0) ? 0 : FAILED;
1747 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1750 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1753 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1755 switch (ioc->bus_type) {
1766 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1768 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1769 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1771 * (linux scsi_host_template.eh_abort_handler routine)
1773 * Returns SUCCESS or FAILED.
1776 mptscsih_abort(struct scsi_cmnd * SCpnt)
1783 VirtDevice *vdevice;
1786 /* If we can't locate our host adapter structure, return FAILED status.
1788 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1789 SCpnt->result = DID_RESET << 16;
1790 SCpnt->scsi_done(SCpnt);
1791 printk(KERN_ERR MYNAM ": task abort: "
1792 "can't locate host! (sc=%p)\n", SCpnt);
1797 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1799 scsi_print_command(SCpnt);
1801 vdevice = SCpnt->device->hostdata;
1802 if (!vdevice || !vdevice->vtarget) {
1803 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1804 "task abort: device has been deleted (sc=%p)\n",
1806 SCpnt->result = DID_NO_CONNECT << 16;
1807 SCpnt->scsi_done(SCpnt);
1812 /* Task aborts are not supported for hidden raid components.
1814 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1815 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1816 "task abort: hidden raid component (sc=%p)\n",
1818 SCpnt->result = DID_RESET << 16;
1823 /* Task aborts are not supported for volumes.
1825 if (vdevice->vtarget->raidVolume) {
1826 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1827 "task abort: raid volume (sc=%p)\n",
1829 SCpnt->result = DID_RESET << 16;
1834 /* Find this command
1836 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1837 /* Cmd not found in ScsiLookup.
1840 SCpnt->result = DID_RESET << 16;
1841 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1842 "Command not in the active list! (sc=%p)\n", ioc->name,
1848 if (ioc->timeouts < -1)
1851 if (mpt_fwfault_debug)
1852 mpt_halt_firmware(ioc);
1854 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1855 * (the IO to be ABORT'd)
1857 * NOTE: Since we do not byteswap MsgContext, we do not
1858 * swap it here either. It is an opaque cookie to
1859 * the controller, so it does not matter. -DaveM
1861 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1862 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1863 retval = mptscsih_IssueTaskMgmt(hd,
1864 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1865 vdevice->vtarget->channel,
1866 vdevice->vtarget->id, vdevice->lun,
1867 ctx2abort, mptscsih_get_tm_timeout(ioc));
1869 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
1870 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1871 "task abort: command still in active list! (sc=%p)\n",
1875 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1876 "task abort: command cleared from active list! (sc=%p)\n",
1882 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
1883 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1889 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1891 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1892 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1894 * (linux scsi_host_template.eh_dev_reset_handler routine)
1896 * Returns SUCCESS or FAILED.
1899 mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1903 VirtDevice *vdevice;
1906 /* If we can't locate our host adapter structure, return FAILED status.
1908 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1909 printk(KERN_ERR MYNAM ": target reset: "
1910 "Can't locate host! (sc=%p)\n", SCpnt);
1915 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1917 scsi_print_command(SCpnt);
1919 vdevice = SCpnt->device->hostdata;
1920 if (!vdevice || !vdevice->vtarget) {
1925 /* Target reset to hidden raid component is not supported
1927 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1932 retval = mptscsih_IssueTaskMgmt(hd,
1933 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1934 vdevice->vtarget->channel,
1935 vdevice->vtarget->id, 0, 0,
1936 mptscsih_get_tm_timeout(ioc));
1939 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1940 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1949 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1951 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1952 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1954 * (linux scsi_host_template.eh_bus_reset_handler routine)
1956 * Returns SUCCESS or FAILED.
1959 mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1963 VirtDevice *vdevice;
1966 /* If we can't locate our host adapter structure, return FAILED status.
1968 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1969 printk(KERN_ERR MYNAM ": bus reset: "
1970 "Can't locate host! (sc=%p)\n", SCpnt);
1975 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1977 scsi_print_command(SCpnt);
1979 if (ioc->timeouts < -1)
1982 vdevice = SCpnt->device->hostdata;
1983 if (!vdevice || !vdevice->vtarget)
1985 retval = mptscsih_IssueTaskMgmt(hd,
1986 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1987 vdevice->vtarget->channel, 0, 0, 0,
1988 mptscsih_get_tm_timeout(ioc));
1990 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1991 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1999 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2001 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
2002 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
2004 * (linux scsi_host_template.eh_host_reset_handler routine)
2006 * Returns SUCCESS or FAILED.
2009 mptscsih_host_reset(struct scsi_cmnd *SCpnt)
2012 int status = SUCCESS;
2016 /* If we can't locate the host to reset, then we failed. */
2017 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
2018 printk(KERN_ERR MYNAM ": host reset: "
2019 "Can't locate host! (sc=%p)\n", SCpnt);
2023 /* make sure we have no outstanding commands at this stage */
2024 mptscsih_flush_running_cmds(hd);
2027 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
2030 /* If our attempts to reset the host failed, then return a failed
2031 * status. The host will be taken off line by the SCSI mid-layer.
2033 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2039 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
2040 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
2046 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
2047 SCSITaskMgmtReply_t *pScsiTmReply)
2050 u32 termination_count;
2053 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
2058 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
2060 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2061 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
2063 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2064 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
2065 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
2066 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
2067 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
2068 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
2069 termination_count));
2071 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
2072 pScsiTmReply->ResponseCode)
2073 mptscsih_taskmgmt_response_code(ioc,
2074 pScsiTmReply->ResponseCode);
2076 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
2082 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
2083 if (termination_count == 1)
2088 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
2089 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2096 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2098 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2102 switch (response_code) {
2103 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2104 desc = "The task completed.";
2106 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2107 desc = "The IOC received an invalid frame status.";
2109 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2110 desc = "The task type is not supported.";
2112 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2113 desc = "The requested task failed.";
2115 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2116 desc = "The task completed successfully.";
2118 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2119 desc = "The LUN request is invalid.";
2121 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2122 desc = "The task is in the IOC queue and has not been sent to target.";
2128 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2129 ioc->name, response_code, desc);
2131 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2133 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2135 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2136 * @ioc: Pointer to MPT_ADAPTER structure
2137 * @mf: Pointer to SCSI task mgmt request frame
2138 * @mr: Pointer to SCSI task mgmt reply frame
2140 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2141 * of any SCSI task management request.
2142 * This routine is registered with the MPT (base) driver at driver
2143 * load/init time via the mpt_register() API call.
2145 * Returns 1 indicating alloc'd request frame ptr should be freed.
2148 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2151 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2152 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2154 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2159 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2160 memcpy(ioc->taskmgmt_cmds.reply, mr,
2161 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2163 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2164 mpt_clear_taskmgmt_in_progress_flag(ioc);
2165 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2166 complete(&ioc->taskmgmt_cmds.done);
2167 if (ioc->bus_type == SAS)
2168 ioc->schedule_target_reset(ioc);
2174 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2176 * This is anyones guess quite frankly.
2179 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2180 sector_t capacity, int geom[])
2190 dummy = heads * sectors;
2191 cylinders = capacity;
2192 sector_div(cylinders,dummy);
2195 * Handle extended translation size for logical drives
2198 if ((ulong)capacity >= 0x200000) {
2201 dummy = heads * sectors;
2202 cylinders = capacity;
2203 sector_div(cylinders,dummy);
2209 geom[2] = cylinders;
2214 /* Search IOC page 3 to determine if this is hidden physical disk
2218 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2220 struct inactive_raid_component_info *component_info;
2222 RaidPhysDiskPage1_t *phys_disk;
2226 if (!ioc->raid_data.pIocPg3)
2228 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2229 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2230 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2236 if (ioc->bus_type != SAS)
2240 * Check if dual path
2242 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2243 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2244 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2247 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2248 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2251 if ((mpt_raid_phys_disk_pg1(ioc,
2252 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2257 for (j = 0; j < num_paths; j++) {
2258 if ((phys_disk->Path[j].Flags &
2259 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2261 if ((phys_disk->Path[j].Flags &
2262 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2264 if ((id == phys_disk->Path[j].PhysDiskID) &&
2265 (channel == phys_disk->Path[j].PhysDiskBus)) {
2276 * Check inactive list for matching phys disks
2278 if (list_empty(&ioc->raid_data.inactive_list))
2281 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2282 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2284 if ((component_info->d.PhysDiskID == id) &&
2285 (component_info->d.PhysDiskBus == channel))
2288 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2293 EXPORT_SYMBOL(mptscsih_is_phys_disk);
2296 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2298 struct inactive_raid_component_info *component_info;
2300 RaidPhysDiskPage1_t *phys_disk;
2304 if (!ioc->raid_data.pIocPg3)
2306 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2307 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2308 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2309 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2314 if (ioc->bus_type != SAS)
2318 * Check if dual path
2320 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2321 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2322 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2325 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2326 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2329 if ((mpt_raid_phys_disk_pg1(ioc,
2330 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2335 for (j = 0; j < num_paths; j++) {
2336 if ((phys_disk->Path[j].Flags &
2337 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2339 if ((phys_disk->Path[j].Flags &
2340 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2342 if ((id == phys_disk->Path[j].PhysDiskID) &&
2343 (channel == phys_disk->Path[j].PhysDiskBus)) {
2344 rc = phys_disk->PhysDiskNum;
2353 * Check inactive list for matching phys disks
2355 if (list_empty(&ioc->raid_data.inactive_list))
2358 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2359 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2361 if ((component_info->d.PhysDiskID == id) &&
2362 (component_info->d.PhysDiskBus == channel))
2363 rc = component_info->d.PhysDiskNum;
2365 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2370 EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2373 * OS entry point to allow for host driver to free allocated memory
2374 * Called if no device present or device being unloaded
2377 mptscsih_slave_destroy(struct scsi_device *sdev)
2379 struct Scsi_Host *host = sdev->host;
2380 MPT_SCSI_HOST *hd = shost_priv(host);
2381 VirtTarget *vtarget;
2382 VirtDevice *vdevice;
2383 struct scsi_target *starget;
2385 starget = scsi_target(sdev);
2386 vtarget = starget->hostdata;
2387 vdevice = sdev->hostdata;
2391 mptscsih_search_running_cmds(hd, vdevice);
2392 vtarget->num_luns--;
2393 mptscsih_synchronize_cache(hd, vdevice);
2395 sdev->hostdata = NULL;
2398 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2400 * mptscsih_change_queue_depth - This function will set a devices queue depth
2401 * @sdev: per scsi_device pointer
2402 * @qdepth: requested queue depth
2403 * @reason: calling context
2405 * Adding support for new 'change_queue_depth' api.
2408 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
2410 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2411 VirtTarget *vtarget;
2412 struct scsi_target *starget;
2415 MPT_ADAPTER *ioc = hd->ioc;
2417 starget = scsi_target(sdev);
2418 vtarget = starget->hostdata;
2420 if (reason != SCSI_QDEPTH_DEFAULT)
2423 if (ioc->bus_type == SPI) {
2424 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2426 else if (sdev->type == TYPE_DISK &&
2427 vtarget->minSyncFactor <= MPT_ULTRA160)
2428 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2430 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2432 max_depth = ioc->sh->can_queue;
2434 if (!sdev->tagged_supported)
2437 if (qdepth > max_depth)
2442 tagged = MSG_SIMPLE_TAG;
2444 scsi_adjust_queue_depth(sdev, tagged, qdepth);
2445 return sdev->queue_depth;
2449 * OS entry point to adjust the queue_depths on a per-device basis.
2450 * Called once per device the bus scan. Use it to force the queue_depth
2451 * member to 1 if a device does not support Q tags.
2452 * Return non-zero if fails.
2455 mptscsih_slave_configure(struct scsi_device *sdev)
2457 struct Scsi_Host *sh = sdev->host;
2458 VirtTarget *vtarget;
2459 VirtDevice *vdevice;
2460 struct scsi_target *starget;
2461 MPT_SCSI_HOST *hd = shost_priv(sh);
2462 MPT_ADAPTER *ioc = hd->ioc;
2464 starget = scsi_target(sdev);
2465 vtarget = starget->hostdata;
2466 vdevice = sdev->hostdata;
2468 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2469 "device @ %p, channel=%d, id=%d, lun=%d\n",
2470 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2471 if (ioc->bus_type == SPI)
2472 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2473 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2474 ioc->name, sdev->sdtr, sdev->wdtr,
2475 sdev->ppr, sdev->inquiry_len));
2477 vdevice->configured_lun = 1;
2479 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2480 "Queue depth=%d, tflags=%x\n",
2481 ioc->name, sdev->queue_depth, vtarget->tflags));
2483 if (ioc->bus_type == SPI)
2484 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2485 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2486 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2487 vtarget->minSyncFactor));
2489 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH,
2490 SCSI_QDEPTH_DEFAULT);
2491 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2492 "tagged %d, simple %d, ordered %d\n",
2493 ioc->name,sdev->tagged_supported, sdev->simple_tags,
2494 sdev->ordered_tags));
2496 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2501 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2503 * Private routines...
2506 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2507 /* Utility function to copy sense data from the scsi_cmnd buffer
2508 * to the FC and SCSI target structures.
2512 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2514 VirtDevice *vdevice;
2515 SCSIIORequest_t *pReq;
2516 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2517 MPT_ADAPTER *ioc = hd->ioc;
2519 /* Get target structure
2521 pReq = (SCSIIORequest_t *) mf;
2522 vdevice = sc->device->hostdata;
2528 /* Copy the sense received into the scsi command block. */
2529 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2530 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2531 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2533 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2535 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2536 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2539 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2540 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2541 ioc->events[idx].eventContext = ioc->eventContext;
2543 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2544 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2545 (sc->device->channel << 8) | sc->device->id;
2547 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2549 ioc->eventContext++;
2550 if (ioc->pcidev->vendor ==
2551 PCI_VENDOR_ID_IBM) {
2552 mptscsih_issue_sep_command(ioc,
2553 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2554 vdevice->vtarget->tflags |=
2555 MPT_TARGET_FLAGS_LED_ON;
2560 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2566 * mptscsih_get_scsi_lookup - retrieves scmd entry
2567 * @ioc: Pointer to MPT_ADAPTER structure
2568 * @i: index into the array
2570 * Returns the scsi_cmd pointer
2573 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2575 unsigned long flags;
2576 struct scsi_cmnd *scmd;
2578 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2579 scmd = ioc->ScsiLookup[i];
2580 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2584 EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2587 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2588 * @ioc: Pointer to MPT_ADAPTER structure
2589 * @i: index into the array
2591 * Returns the scsi_cmd pointer
2594 static struct scsi_cmnd *
2595 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2597 unsigned long flags;
2598 struct scsi_cmnd *scmd;
2600 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2601 scmd = ioc->ScsiLookup[i];
2602 ioc->ScsiLookup[i] = NULL;
2603 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2609 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
2611 * @ioc: Pointer to MPT_ADAPTER structure
2612 * @i: index into the array
2613 * @scmd: scsi_cmnd pointer
2617 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2619 unsigned long flags;
2621 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2622 ioc->ScsiLookup[i] = scmd;
2623 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2627 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2628 * @ioc: Pointer to MPT_ADAPTER structure
2629 * @sc: scsi_cmnd pointer
2632 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2634 unsigned long flags;
2637 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2638 for (i = 0; i < ioc->req_depth; i++) {
2639 if (ioc->ScsiLookup[i] == sc) {
2646 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2650 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2652 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2656 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2659 hd = shost_priv(ioc->sh);
2660 switch (reset_phase) {
2661 case MPT_IOC_SETUP_RESET:
2662 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2663 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2665 case MPT_IOC_PRE_RESET:
2666 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2667 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2668 mptscsih_flush_running_cmds(hd);
2670 case MPT_IOC_POST_RESET:
2671 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2672 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2673 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2674 ioc->internal_cmds.status |=
2675 MPT_MGMT_STATUS_DID_IOCRESET;
2676 complete(&ioc->internal_cmds.done);
2682 return 1; /* currently means nothing really */
2685 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2687 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2689 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2691 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2692 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2695 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2696 event == MPI_EVENT_EXT_BUS_RESET) &&
2697 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2700 return 1; /* currently means nothing really */
2703 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2705 * Bus Scan and Domain Validation functionality ...
2708 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2710 * mptscsih_scandv_complete - Scan and DV callback routine registered
2711 * to Fustion MPT (base) driver.
2713 * @ioc: Pointer to MPT_ADAPTER structure
2714 * @mf: Pointer to original MPT request frame
2715 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2717 * This routine is called from mpt.c::mpt_interrupt() at the completion
2718 * of any SCSI IO request.
2719 * This routine is registered with the Fusion MPT (base) driver at driver
2720 * load/init time via the mpt_register() API call.
2722 * Returns 1 indicating alloc'd request frame ptr should be freed.
2724 * Remark: Sets a completion code and (possibly) saves sense data
2725 * in the IOC member localReply structure.
2726 * Used ONLY for DV and other internal commands.
2729 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2730 MPT_FRAME_HDR *reply)
2732 SCSIIORequest_t *pReq;
2733 SCSIIOReply_t *pReply;
2739 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2740 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2744 pReply = (SCSIIOReply_t *) reply;
2745 pReq = (SCSIIORequest_t *) req;
2746 ioc->internal_cmds.completion_code =
2747 mptscsih_get_completion_code(ioc, req, reply);
2748 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2749 memcpy(ioc->internal_cmds.reply, reply,
2750 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2751 cmd = reply->u.hdr.Function;
2752 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2753 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2754 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2755 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2756 sense_data = ((u8 *)ioc->sense_buf_pool +
2757 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2758 sz = min_t(int, pReq->SenseBufferLength,
2759 MPT_SENSE_BUFFER_ALLOC);
2760 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2763 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2765 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2766 complete(&ioc->internal_cmds.done);
2772 * mptscsih_get_completion_code - get completion code from MPT request
2773 * @ioc: Pointer to MPT_ADAPTER structure
2774 * @req: Pointer to original MPT request frame
2775 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
2779 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2780 MPT_FRAME_HDR *reply)
2782 SCSIIOReply_t *pReply;
2783 MpiRaidActionReply_t *pr;
2786 int completion_code;
2788 pReply = (SCSIIOReply_t *)reply;
2789 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2790 scsi_status = pReply->SCSIStatus;
2792 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2793 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2794 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2795 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2799 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2800 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2803 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2804 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2805 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2806 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2807 completion_code = MPT_SCANDV_DID_RESET;
2810 case MPI_IOCSTATUS_BUSY:
2811 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2812 completion_code = MPT_SCANDV_BUSY;
2815 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2816 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2817 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2818 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2819 completion_code = MPT_SCANDV_GOOD;
2820 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2821 pr = (MpiRaidActionReply_t *)reply;
2822 if (le16_to_cpu(pr->ActionStatus) ==
2823 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2824 completion_code = MPT_SCANDV_GOOD;
2826 completion_code = MPT_SCANDV_SOME_ERROR;
2827 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2828 completion_code = MPT_SCANDV_SENSE;
2829 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2830 if (req->u.scsireq.CDB[0] == INQUIRY)
2831 completion_code = MPT_SCANDV_ISSUE_SENSE;
2833 completion_code = MPT_SCANDV_DID_RESET;
2834 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2835 completion_code = MPT_SCANDV_DID_RESET;
2836 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2837 completion_code = MPT_SCANDV_DID_RESET;
2838 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2839 completion_code = MPT_SCANDV_BUSY;
2841 completion_code = MPT_SCANDV_GOOD;
2844 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2845 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2846 completion_code = MPT_SCANDV_DID_RESET;
2848 completion_code = MPT_SCANDV_SOME_ERROR;
2851 completion_code = MPT_SCANDV_SOME_ERROR;
2854 } /* switch(status) */
2856 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2857 " completionCode set to %08xh\n", ioc->name, completion_code));
2858 return completion_code;
2861 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2863 * mptscsih_do_cmd - Do internal command.
2864 * @hd: MPT_SCSI_HOST pointer
2865 * @io: INTERNAL_CMD pointer.
2867 * Issue the specified internally generated command and do command
2868 * specific cleanup. For bus scan / DV only.
2869 * NOTES: If command is Inquiry and status is good,
2870 * initialize a target structure, save the data
2872 * Remark: Single threaded access only.
2875 * < 0 if an illegal command or no resources
2879 * > 0 if command complete but some type of completion error.
2882 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2885 SCSIIORequest_t *pScsiReq;
2886 int my_idx, ii, dir;
2889 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2891 MPT_ADAPTER *ioc = hd->ioc;
2893 unsigned long timeleft;
2894 unsigned long flags;
2896 /* don't send internal command during diag reset */
2897 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2898 if (ioc->ioc_reset_in_progress) {
2899 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2900 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2901 "%s: busy with host reset\n", ioc->name, __func__));
2902 return MPT_SCANDV_BUSY;
2904 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2906 mutex_lock(&ioc->internal_cmds.mutex);
2908 /* Set command specific information
2913 dir = MPI_SCSIIO_CONTROL_READ;
2919 case TEST_UNIT_READY:
2921 dir = MPI_SCSIIO_CONTROL_READ;
2927 dir = MPI_SCSIIO_CONTROL_READ;
2929 CDB[4] = 1; /*Spin up the disk */
2937 dir = MPI_SCSIIO_CONTROL_READ;
2943 dir = MPI_SCSIIO_CONTROL_READ;
2945 if (io->flags & MPT_ICFLAG_ECHO) {
2951 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2954 CDB[6] = (io->size >> 16) & 0xFF;
2955 CDB[7] = (io->size >> 8) & 0xFF;
2956 CDB[8] = io->size & 0xFF;
2962 dir = MPI_SCSIIO_CONTROL_WRITE;
2964 if (io->flags & MPT_ICFLAG_ECHO) {
2969 CDB[6] = (io->size >> 16) & 0xFF;
2970 CDB[7] = (io->size >> 8) & 0xFF;
2971 CDB[8] = io->size & 0xFF;
2977 dir = MPI_SCSIIO_CONTROL_READ;
2984 dir = MPI_SCSIIO_CONTROL_READ;
2989 case SYNCHRONIZE_CACHE:
2991 dir = MPI_SCSIIO_CONTROL_READ;
2993 // CDB[1] = 0x02; /* set immediate bit */
3003 /* Get and Populate a free Frame
3004 * MsgContext set in mpt_get_msg_frame call
3006 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
3007 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
3008 ioc->name, __func__));
3009 ret = MPT_SCANDV_BUSY;
3013 pScsiReq = (SCSIIORequest_t *) mf;
3015 /* Get the request index */
3016 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
3017 ADD_INDEX_LOG(my_idx); /* for debug */
3019 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
3020 pScsiReq->TargetID = io->physDiskNum;
3022 pScsiReq->ChainOffset = 0;
3023 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
3025 pScsiReq->TargetID = io->id;
3026 pScsiReq->Bus = io->channel;
3027 pScsiReq->ChainOffset = 0;
3028 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
3031 pScsiReq->CDBLength = cmdLen;
3032 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
3034 pScsiReq->Reserved = 0;
3036 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
3037 /* MsgContext set in mpt_get_msg_fram call */
3039 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
3041 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
3042 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
3044 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3046 if (cmd == REQUEST_SENSE) {
3047 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3048 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3049 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
3052 for (ii = 0; ii < 16; ii++)
3053 pScsiReq->CDB[ii] = CDB[ii];
3055 pScsiReq->DataLength = cpu_to_le32(io->size);
3056 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
3057 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
3059 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3060 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n",
3061 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
3063 if (dir == MPI_SCSIIO_CONTROL_READ)
3064 ioc->add_sge((char *) &pScsiReq->SGL,
3065 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
3067 ioc->add_sge((char *) &pScsiReq->SGL,
3068 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
3070 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
3071 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
3072 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
3074 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
3075 ret = MPT_SCANDV_DID_RESET;
3076 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3077 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
3079 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
3080 mpt_free_msg_frame(ioc, mf);
3084 printk(MYIOC_s_WARN_FMT
3085 "Issuing Reset from %s!! doorbell=0x%08xh"
3087 ioc->name, __func__, mpt_GetIocState(ioc, 0),
3089 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
3090 mpt_free_msg_frame(ioc, mf);
3095 ret = ioc->internal_cmds.completion_code;
3096 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
3097 ioc->name, __func__, ret));
3100 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
3101 mutex_unlock(&ioc->internal_cmds.mutex);
3105 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3107 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3108 * @hd: Pointer to a SCSI HOST structure
3109 * @vdevice: virtual target device
3111 * Uses the ISR, but with special processing.
3112 * MUST be single-threaded.
3116 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3120 /* Ignore hidden raid components, this is handled when the command
3121 * is sent to the volume
3123 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3126 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3127 !vdevice->configured_lun)
3130 /* Following parameters will not change
3133 iocmd.cmd = SYNCHRONIZE_CACHE;
3135 iocmd.physDiskNum = -1;
3137 iocmd.data_dma = -1;
3139 iocmd.rsvd = iocmd.rsvd2 = 0;
3140 iocmd.channel = vdevice->vtarget->channel;
3141 iocmd.id = vdevice->vtarget->id;
3142 iocmd.lun = vdevice->lun;
3144 mptscsih_do_cmd(hd, &iocmd);
3148 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3151 struct Scsi_Host *host = class_to_shost(dev);
3152 MPT_SCSI_HOST *hd = shost_priv(host);
3153 MPT_ADAPTER *ioc = hd->ioc;
3155 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3156 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3157 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3158 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3159 ioc->facts.FWVersion.Word & 0x000000FF);
3161 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3164 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3167 struct Scsi_Host *host = class_to_shost(dev);
3168 MPT_SCSI_HOST *hd = shost_priv(host);
3169 MPT_ADAPTER *ioc = hd->ioc;
3171 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3172 (ioc->biosVersion & 0xFF000000) >> 24,
3173 (ioc->biosVersion & 0x00FF0000) >> 16,
3174 (ioc->biosVersion & 0x0000FF00) >> 8,
3175 ioc->biosVersion & 0x000000FF);
3177 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3180 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3183 struct Scsi_Host *host = class_to_shost(dev);
3184 MPT_SCSI_HOST *hd = shost_priv(host);
3185 MPT_ADAPTER *ioc = hd->ioc;
3187 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3189 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3192 mptscsih_version_product_show(struct device *dev,
3193 struct device_attribute *attr,
3196 struct Scsi_Host *host = class_to_shost(dev);
3197 MPT_SCSI_HOST *hd = shost_priv(host);
3198 MPT_ADAPTER *ioc = hd->ioc;
3200 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3202 static DEVICE_ATTR(version_product, S_IRUGO,
3203 mptscsih_version_product_show, NULL);
3206 mptscsih_version_nvdata_persistent_show(struct device *dev,
3207 struct device_attribute *attr,
3210 struct Scsi_Host *host = class_to_shost(dev);
3211 MPT_SCSI_HOST *hd = shost_priv(host);
3212 MPT_ADAPTER *ioc = hd->ioc;
3214 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3215 ioc->nvdata_version_persistent);
3217 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3218 mptscsih_version_nvdata_persistent_show, NULL);
3221 mptscsih_version_nvdata_default_show(struct device *dev,
3222 struct device_attribute *attr, char *buf)
3224 struct Scsi_Host *host = class_to_shost(dev);
3225 MPT_SCSI_HOST *hd = shost_priv(host);
3226 MPT_ADAPTER *ioc = hd->ioc;
3228 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3230 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3231 mptscsih_version_nvdata_default_show, NULL);
3234 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3237 struct Scsi_Host *host = class_to_shost(dev);
3238 MPT_SCSI_HOST *hd = shost_priv(host);
3239 MPT_ADAPTER *ioc = hd->ioc;
3241 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3243 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3246 mptscsih_board_assembly_show(struct device *dev,
3247 struct device_attribute *attr, char *buf)
3249 struct Scsi_Host *host = class_to_shost(dev);
3250 MPT_SCSI_HOST *hd = shost_priv(host);
3251 MPT_ADAPTER *ioc = hd->ioc;
3253 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3255 static DEVICE_ATTR(board_assembly, S_IRUGO,
3256 mptscsih_board_assembly_show, NULL);
3259 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3262 struct Scsi_Host *host = class_to_shost(dev);
3263 MPT_SCSI_HOST *hd = shost_priv(host);
3264 MPT_ADAPTER *ioc = hd->ioc;
3266 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3268 static DEVICE_ATTR(board_tracer, S_IRUGO,
3269 mptscsih_board_tracer_show, NULL);
3272 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3275 struct Scsi_Host *host = class_to_shost(dev);
3276 MPT_SCSI_HOST *hd = shost_priv(host);
3277 MPT_ADAPTER *ioc = hd->ioc;
3279 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3281 static DEVICE_ATTR(io_delay, S_IRUGO,
3282 mptscsih_io_delay_show, NULL);
3285 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3288 struct Scsi_Host *host = class_to_shost(dev);
3289 MPT_SCSI_HOST *hd = shost_priv(host);
3290 MPT_ADAPTER *ioc = hd->ioc;
3292 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3294 static DEVICE_ATTR(device_delay, S_IRUGO,
3295 mptscsih_device_delay_show, NULL);
3298 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3301 struct Scsi_Host *host = class_to_shost(dev);
3302 MPT_SCSI_HOST *hd = shost_priv(host);
3303 MPT_ADAPTER *ioc = hd->ioc;
3305 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3308 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3309 const char *buf, size_t count)
3311 struct Scsi_Host *host = class_to_shost(dev);
3312 MPT_SCSI_HOST *hd = shost_priv(host);
3313 MPT_ADAPTER *ioc = hd->ioc;
3316 if (sscanf(buf, "%x", &val) != 1)
3319 ioc->debug_level = val;
3320 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3321 ioc->name, ioc->debug_level);
3324 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3325 mptscsih_debug_level_show, mptscsih_debug_level_store);
3327 struct device_attribute *mptscsih_host_attrs[] = {
3328 &dev_attr_version_fw,
3329 &dev_attr_version_bios,
3330 &dev_attr_version_mpi,
3331 &dev_attr_version_product,
3332 &dev_attr_version_nvdata_persistent,
3333 &dev_attr_version_nvdata_default,
3334 &dev_attr_board_name,
3335 &dev_attr_board_assembly,
3336 &dev_attr_board_tracer,
3338 &dev_attr_device_delay,
3339 &dev_attr_debug_level,
3343 EXPORT_SYMBOL(mptscsih_host_attrs);
3345 EXPORT_SYMBOL(mptscsih_remove);
3346 EXPORT_SYMBOL(mptscsih_shutdown);
3348 EXPORT_SYMBOL(mptscsih_suspend);
3349 EXPORT_SYMBOL(mptscsih_resume);
3351 EXPORT_SYMBOL(mptscsih_proc_info);
3352 EXPORT_SYMBOL(mptscsih_info);
3353 EXPORT_SYMBOL(mptscsih_qcmd);
3354 EXPORT_SYMBOL(mptscsih_slave_destroy);
3355 EXPORT_SYMBOL(mptscsih_slave_configure);
3356 EXPORT_SYMBOL(mptscsih_abort);
3357 EXPORT_SYMBOL(mptscsih_dev_reset);
3358 EXPORT_SYMBOL(mptscsih_bus_reset);
3359 EXPORT_SYMBOL(mptscsih_host_reset);
3360 EXPORT_SYMBOL(mptscsih_bios_param);
3361 EXPORT_SYMBOL(mptscsih_io_done);
3362 EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3363 EXPORT_SYMBOL(mptscsih_scandv_complete);
3364 EXPORT_SYMBOL(mptscsih_event_process);
3365 EXPORT_SYMBOL(mptscsih_ioc_reset);
3366 EXPORT_SYMBOL(mptscsih_change_queue_depth);
3368 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/