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;
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
||
831 pScsiReq
->CDB
[0] == READ_10
||
832 pScsiReq
->CDB
[0] == READ_12
||
833 pScsiReq
->CDB
[0] == READ_16
||
834 pScsiReq
->CDB
[0] == VERIFY
||
835 pScsiReq
->CDB
[0] == VERIFY_16
) {
836 if (scsi_bufflen(sc
) !=
839 DID_SOFT_ERROR
<< 16;
840 printk(KERN_WARNING
"Errata"
841 "on LSI53C1030 occurred."
842 "sc->req_bufflen=0x%02x,"
850 if (xfer_cnt
< sc
->underflow
) {
851 if (scsi_status
== SAM_STAT_BUSY
)
852 sc
->result
= SAM_STAT_BUSY
;
854 sc
->result
= DID_SOFT_ERROR
<< 16;
856 if (scsi_state
& (MPI_SCSI_STATE_AUTOSENSE_FAILED
| MPI_SCSI_STATE_NO_SCSI_STATUS
)) {
859 sc
->result
= DID_SOFT_ERROR
<< 16;
861 else if (scsi_state
& MPI_SCSI_STATE_TERMINATED
) {
862 /* Not real sure here either... */
863 sc
->result
= DID_RESET
<< 16;
868 dreplyprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
869 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
870 ioc
->name
, sc
->underflow
));
871 dreplyprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
872 " ActBytesXferd=%02xh\n", ioc
->name
, xfer_cnt
));
876 if (scsi_status
== MPI_SCSI_STATUS_TASK_SET_FULL
)
877 mptscsih_report_queue_full(sc
, pScsiReply
, pScsiReq
);
881 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN
: /* 0x0044 */
882 scsi_set_resid(sc
, 0);
883 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR
: /* 0x0040 */
884 case MPI_IOCSTATUS_SUCCESS
: /* 0x0000 */
885 sc
->result
= (DID_OK
<< 16) | scsi_status
;
886 if (scsi_state
== 0) {
888 } else if (scsi_state
&
889 MPI_SCSI_STATE_AUTOSENSE_VALID
) {
892 * For potential trouble on LSI53C1030.
894 * It is checked whether the length of
895 * request data is equal to
896 * the length of transfer and residual.
897 * MEDIUM_ERROR is set by incorrect data.
899 if ((ioc
->bus_type
== SPI
) &&
900 (sc
->sense_buffer
[2] & 0x20)) {
903 sc
->sense_buffer
[3] << 24 |
904 sc
->sense_buffer
[4] << 16 |
905 sc
->sense_buffer
[5] << 8 |
907 if (((sc
->sense_buffer
[3] & 0x80) ==
908 0x80) && (scsi_bufflen(sc
)
910 sc
->sense_buffer
[2] =
912 sc
->sense_buffer
[12] = 0xff;
913 sc
->sense_buffer
[13] = 0xff;
914 printk(KERN_WARNING
"Errata"
915 "on LSI53C1030 occurred."
916 "sc->req_bufflen=0x%02x,"
917 "xfer_cnt=0x%02x\n" ,
921 if (((sc
->sense_buffer
[3] & 0x80)
924 xfer_cnt
+ difftransfer
)) {
925 sc
->sense_buffer
[2] =
927 sc
->sense_buffer
[12] = 0xff;
928 sc
->sense_buffer
[13] = 0xff;
930 "Errata on LSI53C1030 occurred"
931 "sc->req_bufflen=0x%02x,"
933 "difftransfer=0x%02x\n",
941 * If running against circa 200003dd 909 MPT f/w,
942 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
943 * (QUEUE_FULL) returned from device! --> get 0x0000?128
944 * and with SenseBytes set to 0.
946 if (pScsiReply
->SCSIStatus
== MPI_SCSI_STATUS_TASK_SET_FULL
)
947 mptscsih_report_queue_full(sc
, pScsiReply
, pScsiReq
);
950 else if (scsi_state
&
951 (MPI_SCSI_STATE_AUTOSENSE_FAILED
| MPI_SCSI_STATE_NO_SCSI_STATUS
)
956 sc
->result
= DID_SOFT_ERROR
<< 16;
958 else if (scsi_state
& MPI_SCSI_STATE_TERMINATED
) {
959 /* Not real sure here either... */
960 sc
->result
= DID_RESET
<< 16;
962 else if (scsi_state
& MPI_SCSI_STATE_QUEUE_TAG_REJECTED
) {
963 /* Device Inq. data indicates that it supports
964 * QTags, but rejects QTag messages.
965 * This command completed OK.
967 * Not real sure here either so do nothing... */
970 if (sc
->result
== MPI_SCSI_STATUS_TASK_SET_FULL
)
971 mptscsih_report_queue_full(sc
, pScsiReply
, pScsiReq
);
974 * Reservation Conflict, Busy,
975 * Command Terminated, CHECK
979 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR
: /* 0x0047 */
980 sc
->result
= DID_SOFT_ERROR
<< 16;
983 case MPI_IOCSTATUS_INVALID_FUNCTION
: /* 0x0001 */
984 case MPI_IOCSTATUS_INVALID_SGL
: /* 0x0003 */
985 case MPI_IOCSTATUS_INTERNAL_ERROR
: /* 0x0004 */
986 case MPI_IOCSTATUS_RESERVED
: /* 0x0005 */
987 case MPI_IOCSTATUS_INVALID_FIELD
: /* 0x0007 */
988 case MPI_IOCSTATUS_INVALID_STATE
: /* 0x0008 */
989 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR
: /* 0x0046 */
990 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED
: /* 0x004A */
995 sc
->result
= DID_SOFT_ERROR
<< 16;
998 } /* switch(status) */
1000 #ifdef CONFIG_FUSION_LOGGING
1001 if (sc
->result
&& (ioc
->debug_level
& MPT_DEBUG_REPLY
))
1002 mptscsih_info_scsiio(ioc
, sc
, pScsiReply
);
1005 } /* end of address reply case */
1007 /* Unmap the DMA buffers, if any. */
1010 sc
->scsi_done(sc
); /* Issue the command callback */
1012 /* Free Chain buffers */
1013 mptscsih_freeChainBuffers(ioc
, req_idx
);
1018 * mptscsih_flush_running_cmds - For each command found, search
1019 * Scsi_Host instance taskQ and reply to OS.
1020 * Called only if recovering from a FW reload.
1021 * @hd: Pointer to a SCSI HOST structure
1025 * Must be called while new I/Os are being queued.
1028 mptscsih_flush_running_cmds(MPT_SCSI_HOST
*hd
)
1030 MPT_ADAPTER
*ioc
= hd
->ioc
;
1031 struct scsi_cmnd
*sc
;
1032 SCSIIORequest_t
*mf
= NULL
;
1036 for (ii
= 0; ii
< ioc
->req_depth
; ii
++) {
1037 sc
= mptscsih_getclear_scsi_lookup(ioc
, ii
);
1040 mf
= (SCSIIORequest_t
*)MPT_INDEX_2_MFPTR(ioc
, ii
);
1045 mptscsih_freeChainBuffers(ioc
, ii
);
1046 mpt_free_msg_frame(ioc
, (MPT_FRAME_HDR
*)mf
);
1047 if ((unsigned char *)mf
!= sc
->host_scribble
)
1050 sc
->result
= DID_RESET
<< 16;
1051 sc
->host_scribble
= NULL
;
1052 dtmprintk(ioc
, sdev_printk(KERN_INFO
, sc
->device
, MYIOC_s_FMT
1053 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1054 "idx=%x\n", ioc
->name
, channel
, id
, sc
, mf
, ii
));
1060 * mptscsih_search_running_cmds - Delete any commands associated
1061 * with the specified target and lun. Function called only
1062 * when a lun is disable by mid-layer.
1063 * Do NOT access the referenced scsi_cmnd structure or
1064 * members. Will cause either a paging or NULL ptr error.
1065 * (BUT, BUT, BUT, the code does reference it! - mdr)
1066 * @hd: Pointer to a SCSI HOST structure
1067 * @vdevice: per device private data
1071 * Called from slave_destroy.
1074 mptscsih_search_running_cmds(MPT_SCSI_HOST
*hd
, VirtDevice
*vdevice
)
1076 SCSIIORequest_t
*mf
= NULL
;
1078 struct scsi_cmnd
*sc
;
1079 struct scsi_lun lun
;
1080 MPT_ADAPTER
*ioc
= hd
->ioc
;
1081 unsigned long flags
;
1083 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
1084 for (ii
= 0; ii
< ioc
->req_depth
; ii
++) {
1085 if ((sc
= ioc
->ScsiLookup
[ii
]) != NULL
) {
1087 mf
= (SCSIIORequest_t
*)MPT_INDEX_2_MFPTR(ioc
, ii
);
1090 /* If the device is a hidden raid component, then its
1091 * expected that the mf->function will be RAID_SCSI_IO
1093 if (vdevice
->vtarget
->tflags
&
1094 MPT_TARGET_FLAGS_RAID_COMPONENT
&& mf
->Function
!=
1095 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
)
1098 int_to_scsilun(vdevice
->lun
, &lun
);
1099 if ((mf
->Bus
!= vdevice
->vtarget
->channel
) ||
1100 (mf
->TargetID
!= vdevice
->vtarget
->id
) ||
1101 memcmp(lun
.scsi_lun
, mf
->LUN
, 8))
1104 if ((unsigned char *)mf
!= sc
->host_scribble
)
1106 ioc
->ScsiLookup
[ii
] = NULL
;
1107 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1108 mptscsih_freeChainBuffers(ioc
, ii
);
1109 mpt_free_msg_frame(ioc
, (MPT_FRAME_HDR
*)mf
);
1111 sc
->host_scribble
= NULL
;
1112 sc
->result
= DID_NO_CONNECT
<< 16;
1113 dtmprintk(ioc
, sdev_printk(KERN_INFO
, sc
->device
,
1114 MYIOC_s_FMT
"completing cmds: fw_channel %d, "
1115 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc
->name
,
1116 vdevice
->vtarget
->channel
, vdevice
->vtarget
->id
,
1119 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
1122 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1126 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1128 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1130 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
1131 * from a SCSI target device.
1132 * @sc: Pointer to scsi_cmnd structure
1133 * @pScsiReply: Pointer to SCSIIOReply_t
1134 * @pScsiReq: Pointer to original SCSI request
1136 * This routine periodically reports QUEUE_FULL status returned from a
1137 * SCSI target device. It reports this to the console via kernel
1138 * printk() API call, not more than once every 10 seconds.
1141 mptscsih_report_queue_full(struct scsi_cmnd
*sc
, SCSIIOReply_t
*pScsiReply
, SCSIIORequest_t
*pScsiReq
)
1143 long time
= jiffies
;
1147 if (sc
->device
== NULL
)
1149 if (sc
->device
->host
== NULL
)
1151 if ((hd
= shost_priv(sc
->device
->host
)) == NULL
)
1154 if (time
- hd
->last_queue_full
> 10 * HZ
) {
1155 dprintk(ioc
, printk(MYIOC_s_WARN_FMT
"Device (%d:%d:%d) reported QUEUE_FULL!\n",
1156 ioc
->name
, 0, sc
->device
->id
, sc
->device
->lun
));
1157 hd
->last_queue_full
= time
;
1161 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1163 * mptscsih_remove - Removed scsi devices
1164 * @pdev: Pointer to pci_dev structure
1169 mptscsih_remove(struct pci_dev
*pdev
)
1171 MPT_ADAPTER
*ioc
= pci_get_drvdata(pdev
);
1172 struct Scsi_Host
*host
= ioc
->sh
;
1176 scsi_remove_host(host
);
1178 if((hd
= shost_priv(host
)) == NULL
)
1181 mptscsih_shutdown(pdev
);
1185 if (ioc
->ScsiLookup
!= NULL
) {
1186 sz1
= ioc
->req_depth
* sizeof(void *);
1187 kfree(ioc
->ScsiLookup
);
1188 ioc
->ScsiLookup
= NULL
;
1191 dprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
1192 "Free'd ScsiLookup (%d) memory\n",
1195 kfree(hd
->info_kbuf
);
1197 /* NULL the Scsi_Host pointer
1201 scsi_host_put(host
);
1207 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1209 * mptscsih_shutdown - reboot notifier
1213 mptscsih_shutdown(struct pci_dev
*pdev
)
1218 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1220 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1225 mptscsih_suspend(struct pci_dev
*pdev
, pm_message_t state
)
1227 MPT_ADAPTER
*ioc
= pci_get_drvdata(pdev
);
1229 scsi_block_requests(ioc
->sh
);
1230 flush_scheduled_work();
1231 mptscsih_shutdown(pdev
);
1232 return mpt_suspend(pdev
,state
);
1235 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1237 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1242 mptscsih_resume(struct pci_dev
*pdev
)
1244 MPT_ADAPTER
*ioc
= pci_get_drvdata(pdev
);
1247 rc
= mpt_resume(pdev
);
1248 scsi_unblock_requests(ioc
->sh
);
1254 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1256 * mptscsih_info - Return information about MPT adapter
1257 * @SChost: Pointer to Scsi_Host structure
1259 * (linux scsi_host_template.info routine)
1261 * Returns pointer to buffer where information was written.
1264 mptscsih_info(struct Scsi_Host
*SChost
)
1269 h
= shost_priv(SChost
);
1272 if (h
->info_kbuf
== NULL
)
1273 if ((h
->info_kbuf
= kmalloc(0x1000 /* 4Kb */, GFP_KERNEL
)) == NULL
)
1274 return h
->info_kbuf
;
1275 h
->info_kbuf
[0] = '\0';
1277 mpt_print_ioc_summary(h
->ioc
, h
->info_kbuf
, &size
, 0, 0);
1278 h
->info_kbuf
[size
-1] = '\0';
1281 return h
->info_kbuf
;
1292 mptscsih_copy_mem_info(struct info_str
*info
, char *data
, int len
)
1294 if (info
->pos
+ len
> info
->length
)
1295 len
= info
->length
- info
->pos
;
1297 if (info
->pos
+ len
< info
->offset
) {
1302 if (info
->pos
< info
->offset
) {
1303 data
+= (info
->offset
- info
->pos
);
1304 len
-= (info
->offset
- info
->pos
);
1308 memcpy(info
->buffer
+ info
->pos
, data
, len
);
1314 mptscsih_copy_info(struct info_str
*info
, char *fmt
, ...)
1320 va_start(args
, fmt
);
1321 len
= vsprintf(buf
, fmt
, args
);
1324 mptscsih_copy_mem_info(info
, buf
, len
);
1329 mptscsih_host_info(MPT_ADAPTER
*ioc
, char *pbuf
, off_t offset
, int len
)
1331 struct info_str info
;
1335 info
.offset
= offset
;
1338 mptscsih_copy_info(&info
, "%s: %s, ", ioc
->name
, ioc
->prod_name
);
1339 mptscsih_copy_info(&info
, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING
, ioc
->facts
.FWVersion
.Word
);
1340 mptscsih_copy_info(&info
, "Ports=%d, ", ioc
->facts
.NumberOfPorts
);
1341 mptscsih_copy_info(&info
, "MaxQ=%d\n", ioc
->req_depth
);
1343 return ((info
.pos
> info
.offset
) ? info
.pos
- info
.offset
: 0);
1346 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1348 * mptscsih_proc_info - Return information about MPT adapter
1349 * @host: scsi host struct
1350 * @buffer: if write, user data; if read, buffer for user
1351 * @start: returns the buffer address
1352 * @offset: if write, 0; if read, the current offset into the buffer from
1353 * the previous read.
1354 * @length: if write, return length;
1355 * @func: write = 1; read = 0
1357 * (linux scsi_host_template.info routine)
1360 mptscsih_proc_info(struct Scsi_Host
*host
, char *buffer
, char **start
, off_t offset
,
1361 int length
, int func
)
1363 MPT_SCSI_HOST
*hd
= shost_priv(host
);
1364 MPT_ADAPTER
*ioc
= hd
->ioc
;
1369 * write is not supported
1375 size
= mptscsih_host_info(ioc
, buffer
, offset
, length
);
1381 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1382 #define ADD_INDEX_LOG(req_ent) do { } while(0)
1384 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1386 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1387 * @SCpnt: Pointer to scsi_cmnd structure
1388 * @done: Pointer SCSI mid-layer IO completion function
1390 * (linux scsi_host_template.queuecommand routine)
1391 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1392 * from a linux scsi_cmnd request and send it to the IOC.
1394 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1397 mptscsih_qcmd(struct scsi_cmnd
*SCpnt
, void (*done
)(struct scsi_cmnd
*))
1401 SCSIIORequest_t
*pScsiReq
;
1402 VirtDevice
*vdevice
= SCpnt
->device
->hostdata
;
1411 hd
= shost_priv(SCpnt
->device
->host
);
1413 SCpnt
->scsi_done
= done
;
1415 dmfprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
"qcmd: SCpnt=%p, done()=%p\n",
1416 ioc
->name
, SCpnt
, done
));
1418 if (ioc
->taskmgmt_quiesce_io
) {
1419 dtmprintk(ioc
, printk(MYIOC_s_WARN_FMT
"qcmd: SCpnt=%p timeout + 60HZ\n",
1421 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 if (ioc_raw_state
& MPI_DOORBELL_ACTIVE
) {
1636 printk(MYIOC_s_WARN_FMT
1637 "TaskMgmt type=%x: ioc_state: "
1638 "DOORBELL_ACTIVE (0x%x)!\n",
1639 ioc
->name
, type
, ioc_raw_state
);
1643 mutex_lock(&ioc
->taskmgmt_cmds
.mutex
);
1644 if (mpt_set_taskmgmt_in_progress_flag(ioc
) != 0) {
1650 /* Return Fail to calling function if no message frames available.
1652 if ((mf
= mpt_get_msg_frame(ioc
->TaskCtx
, ioc
)) == NULL
) {
1653 dfailprintk(ioc
, printk(MYIOC_s_ERR_FMT
1654 "TaskMgmt no msg frames!!\n", ioc
->name
));
1656 mpt_clear_taskmgmt_in_progress_flag(ioc
);
1659 dtmprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
"TaskMgmt request (mf=%p)\n",
1662 /* Format the Request
1664 pScsiTm
= (SCSITaskMgmt_t
*) mf
;
1665 pScsiTm
->TargetID
= id
;
1666 pScsiTm
->Bus
= channel
;
1667 pScsiTm
->ChainOffset
= 0;
1668 pScsiTm
->Function
= MPI_FUNCTION_SCSI_TASK_MGMT
;
1670 pScsiTm
->Reserved
= 0;
1671 pScsiTm
->TaskType
= type
;
1672 pScsiTm
->Reserved1
= 0;
1673 pScsiTm
->MsgFlags
= (type
== MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS
)
1674 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION
: 0;
1676 int_to_scsilun(lun
, (struct scsi_lun
*)pScsiTm
->LUN
);
1678 for (ii
=0; ii
< 7; ii
++)
1679 pScsiTm
->Reserved2
[ii
] = 0;
1681 pScsiTm
->TaskMsgContext
= ctx2abort
;
1683 dtmprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
"TaskMgmt: ctx2abort (0x%08x) "
1684 "task_type = 0x%02X, timeout = %ld\n", ioc
->name
, ctx2abort
,
1687 DBG_DUMP_TM_REQUEST_FRAME(ioc
, (u32
*)pScsiTm
);
1689 INITIALIZE_MGMT_STATUS(ioc
->taskmgmt_cmds
.status
)
1690 time_count
= jiffies
;
1691 if ((ioc
->facts
.IOCCapabilities
& MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q
) &&
1692 (ioc
->facts
.MsgVersion
>= MPI_VERSION_01_05
))
1693 mpt_put_msg_frame_hi_pri(ioc
->TaskCtx
, ioc
, mf
);
1695 retval
= mpt_send_handshake_request(ioc
->TaskCtx
, ioc
,
1696 sizeof(SCSITaskMgmt_t
), (u32
*)pScsiTm
, CAN_SLEEP
);
1698 dfailprintk(ioc
, printk(MYIOC_s_ERR_FMT
1699 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1700 ioc
->name
, mf
, retval
));
1701 mpt_free_msg_frame(ioc
, mf
);
1702 mpt_clear_taskmgmt_in_progress_flag(ioc
);
1707 timeleft
= wait_for_completion_timeout(&ioc
->taskmgmt_cmds
.done
,
1709 if (!(ioc
->taskmgmt_cmds
.status
& MPT_MGMT_STATUS_COMMAND_GOOD
)) {
1711 dtmprintk(ioc
, printk(MYIOC_s_ERR_FMT
1712 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc
->name
, mf
));
1713 mpt_clear_taskmgmt_in_progress_flag(ioc
);
1714 if (ioc
->taskmgmt_cmds
.status
& MPT_MGMT_STATUS_DID_IOCRESET
)
1716 issue_hard_reset
= 1;
1720 retval
= mptscsih_taskmgmt_reply(ioc
, type
,
1721 (SCSITaskMgmtReply_t
*) ioc
->taskmgmt_cmds
.reply
);
1723 dtmprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
1724 "TaskMgmt completed (%d seconds)\n",
1725 ioc
->name
, jiffies_to_msecs(jiffies
- time_count
)/1000));
1729 CLEAR_MGMT_STATUS(ioc
->taskmgmt_cmds
.status
)
1730 if (issue_hard_reset
) {
1731 printk(MYIOC_s_WARN_FMT
1732 "Issuing Reset from %s!! doorbell=0x%08x\n",
1733 ioc
->name
, __func__
, mpt_GetIocState(ioc
, 0));
1734 retval
= mpt_Soft_Hard_ResetHandler(ioc
, CAN_SLEEP
);
1735 mpt_free_msg_frame(ioc
, mf
);
1738 retval
= (retval
== 0) ? 0 : FAILED
;
1739 mutex_unlock(&ioc
->taskmgmt_cmds
.mutex
);
1742 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt
);
1745 mptscsih_get_tm_timeout(MPT_ADAPTER
*ioc
)
1747 switch (ioc
->bus_type
) {
1758 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1760 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1761 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1763 * (linux scsi_host_template.eh_abort_handler routine)
1765 * Returns SUCCESS or FAILED.
1768 mptscsih_abort(struct scsi_cmnd
* SCpnt
)
1775 VirtDevice
*vdevice
;
1776 ulong sn
= SCpnt
->serial_number
;
1779 /* If we can't locate our host adapter structure, return FAILED status.
1781 if ((hd
= shost_priv(SCpnt
->device
->host
)) == NULL
) {
1782 SCpnt
->result
= DID_RESET
<< 16;
1783 SCpnt
->scsi_done(SCpnt
);
1784 printk(KERN_ERR MYNAM
": task abort: "
1785 "can't locate host! (sc=%p)\n", SCpnt
);
1790 printk(MYIOC_s_INFO_FMT
"attempting task abort! (sc=%p)\n",
1792 scsi_print_command(SCpnt
);
1794 vdevice
= SCpnt
->device
->hostdata
;
1795 if (!vdevice
|| !vdevice
->vtarget
) {
1796 dtmprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
1797 "task abort: device has been deleted (sc=%p)\n",
1799 SCpnt
->result
= DID_NO_CONNECT
<< 16;
1800 SCpnt
->scsi_done(SCpnt
);
1805 /* Task aborts are not supported for hidden raid components.
1807 if (vdevice
->vtarget
->tflags
& MPT_TARGET_FLAGS_RAID_COMPONENT
) {
1808 dtmprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
1809 "task abort: hidden raid component (sc=%p)\n",
1811 SCpnt
->result
= DID_RESET
<< 16;
1816 /* Task aborts are not supported for volumes.
1818 if (vdevice
->vtarget
->raidVolume
) {
1819 dtmprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
1820 "task abort: raid volume (sc=%p)\n",
1822 SCpnt
->result
= DID_RESET
<< 16;
1827 /* Find this command
1829 if ((scpnt_idx
= SCPNT_TO_LOOKUP_IDX(ioc
, SCpnt
)) < 0) {
1830 /* Cmd not found in ScsiLookup.
1833 SCpnt
->result
= DID_RESET
<< 16;
1834 dtmprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
"task abort: "
1835 "Command not in the active list! (sc=%p)\n", ioc
->name
,
1841 if (ioc
->timeouts
< -1)
1844 if (mpt_fwfault_debug
)
1845 mpt_halt_firmware(ioc
);
1847 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1848 * (the IO to be ABORT'd)
1850 * NOTE: Since we do not byteswap MsgContext, we do not
1851 * swap it here either. It is an opaque cookie to
1852 * the controller, so it does not matter. -DaveM
1854 mf
= MPT_INDEX_2_MFPTR(ioc
, scpnt_idx
);
1855 ctx2abort
= mf
->u
.frame
.hwhdr
.msgctxu
.MsgContext
;
1856 retval
= mptscsih_IssueTaskMgmt(hd
,
1857 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK
,
1858 vdevice
->vtarget
->channel
,
1859 vdevice
->vtarget
->id
, vdevice
->lun
,
1860 ctx2abort
, mptscsih_get_tm_timeout(ioc
));
1862 if (SCPNT_TO_LOOKUP_IDX(ioc
, SCpnt
) == scpnt_idx
&&
1863 SCpnt
->serial_number
== sn
) {
1864 dtmprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
1865 "task abort: command still in active list! (sc=%p)\n",
1869 dtmprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
1870 "task abort: command cleared from active list! (sc=%p)\n",
1876 printk(MYIOC_s_INFO_FMT
"task abort: %s (sc=%p)\n",
1877 ioc
->name
, ((retval
== SUCCESS
) ? "SUCCESS" : "FAILED"), SCpnt
);
1882 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1884 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1885 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1887 * (linux scsi_host_template.eh_dev_reset_handler routine)
1889 * Returns SUCCESS or FAILED.
1892 mptscsih_dev_reset(struct scsi_cmnd
* SCpnt
)
1896 VirtDevice
*vdevice
;
1899 /* If we can't locate our host adapter structure, return FAILED status.
1901 if ((hd
= shost_priv(SCpnt
->device
->host
)) == NULL
){
1902 printk(KERN_ERR MYNAM
": target reset: "
1903 "Can't locate host! (sc=%p)\n", SCpnt
);
1908 printk(MYIOC_s_INFO_FMT
"attempting target reset! (sc=%p)\n",
1910 scsi_print_command(SCpnt
);
1912 vdevice
= SCpnt
->device
->hostdata
;
1913 if (!vdevice
|| !vdevice
->vtarget
) {
1918 /* Target reset to hidden raid component is not supported
1920 if (vdevice
->vtarget
->tflags
& MPT_TARGET_FLAGS_RAID_COMPONENT
) {
1925 retval
= mptscsih_IssueTaskMgmt(hd
,
1926 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET
,
1927 vdevice
->vtarget
->channel
,
1928 vdevice
->vtarget
->id
, 0, 0,
1929 mptscsih_get_tm_timeout(ioc
));
1932 printk (MYIOC_s_INFO_FMT
"target reset: %s (sc=%p)\n",
1933 ioc
->name
, ((retval
== 0) ? "SUCCESS" : "FAILED" ), SCpnt
);
1942 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1944 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1945 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1947 * (linux scsi_host_template.eh_bus_reset_handler routine)
1949 * Returns SUCCESS or FAILED.
1952 mptscsih_bus_reset(struct scsi_cmnd
* SCpnt
)
1956 VirtDevice
*vdevice
;
1959 /* If we can't locate our host adapter structure, return FAILED status.
1961 if ((hd
= shost_priv(SCpnt
->device
->host
)) == NULL
){
1962 printk(KERN_ERR MYNAM
": bus reset: "
1963 "Can't locate host! (sc=%p)\n", SCpnt
);
1968 printk(MYIOC_s_INFO_FMT
"attempting bus reset! (sc=%p)\n",
1970 scsi_print_command(SCpnt
);
1972 if (ioc
->timeouts
< -1)
1975 vdevice
= SCpnt
->device
->hostdata
;
1976 if (!vdevice
|| !vdevice
->vtarget
)
1978 retval
= mptscsih_IssueTaskMgmt(hd
,
1979 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS
,
1980 vdevice
->vtarget
->channel
, 0, 0, 0,
1981 mptscsih_get_tm_timeout(ioc
));
1983 printk(MYIOC_s_INFO_FMT
"bus reset: %s (sc=%p)\n",
1984 ioc
->name
, ((retval
== 0) ? "SUCCESS" : "FAILED" ), SCpnt
);
1992 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1994 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1995 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1997 * (linux scsi_host_template.eh_host_reset_handler routine)
1999 * Returns SUCCESS or FAILED.
2002 mptscsih_host_reset(struct scsi_cmnd
*SCpnt
)
2005 int status
= SUCCESS
;
2009 /* If we can't locate the host to reset, then we failed. */
2010 if ((hd
= shost_priv(SCpnt
->device
->host
)) == NULL
){
2011 printk(KERN_ERR MYNAM
": host reset: "
2012 "Can't locate host! (sc=%p)\n", SCpnt
);
2016 /* make sure we have no outstanding commands at this stage */
2017 mptscsih_flush_running_cmds(hd
);
2020 printk(MYIOC_s_INFO_FMT
"attempting host reset! (sc=%p)\n",
2023 /* If our attempts to reset the host failed, then return a failed
2024 * status. The host will be taken off line by the SCSI mid-layer.
2026 retval
= mpt_Soft_Hard_ResetHandler(ioc
, CAN_SLEEP
);
2032 printk(MYIOC_s_INFO_FMT
"host reset: %s (sc=%p)\n",
2033 ioc
->name
, ((retval
== 0) ? "SUCCESS" : "FAILED" ), SCpnt
);
2039 mptscsih_taskmgmt_reply(MPT_ADAPTER
*ioc
, u8 type
,
2040 SCSITaskMgmtReply_t
*pScsiTmReply
)
2043 u32 termination_count
;
2046 if (!(ioc
->taskmgmt_cmds
.status
& MPT_MGMT_STATUS_RF_VALID
)) {
2051 DBG_DUMP_TM_REPLY_FRAME(ioc
, (u32
*)pScsiTmReply
);
2053 iocstatus
= le16_to_cpu(pScsiTmReply
->IOCStatus
) & MPI_IOCSTATUS_MASK
;
2054 termination_count
= le32_to_cpu(pScsiTmReply
->TerminationCount
);
2056 dtmprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
2057 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
2058 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
2059 "\tterm_cmnds = %d\n", ioc
->name
, pScsiTmReply
->Bus
,
2060 pScsiTmReply
->TargetID
, type
, le16_to_cpu(pScsiTmReply
->IOCStatus
),
2061 le32_to_cpu(pScsiTmReply
->IOCLogInfo
), pScsiTmReply
->ResponseCode
,
2062 termination_count
));
2064 if (ioc
->facts
.MsgVersion
>= MPI_VERSION_01_05
&&
2065 pScsiTmReply
->ResponseCode
)
2066 mptscsih_taskmgmt_response_code(ioc
,
2067 pScsiTmReply
->ResponseCode
);
2069 if (iocstatus
== MPI_IOCSTATUS_SUCCESS
) {
2075 if (type
== MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK
) {
2076 if (termination_count
== 1)
2081 if (iocstatus
== MPI_IOCSTATUS_SCSI_TASK_TERMINATED
||
2082 iocstatus
== MPI_IOCSTATUS_SCSI_IOC_TERMINATED
)
2089 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2091 mptscsih_taskmgmt_response_code(MPT_ADAPTER
*ioc
, u8 response_code
)
2095 switch (response_code
) {
2096 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE
:
2097 desc
= "The task completed.";
2099 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME
:
2100 desc
= "The IOC received an invalid frame status.";
2102 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED
:
2103 desc
= "The task type is not supported.";
2105 case MPI_SCSITASKMGMT_RSP_TM_FAILED
:
2106 desc
= "The requested task failed.";
2108 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED
:
2109 desc
= "The task completed successfully.";
2111 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN
:
2112 desc
= "The LUN request is invalid.";
2114 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC
:
2115 desc
= "The task is in the IOC queue and has not been sent to target.";
2121 printk(MYIOC_s_INFO_FMT
"Response Code(0x%08x): F/W: %s\n",
2122 ioc
->name
, response_code
, desc
);
2124 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code
);
2126 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2128 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2129 * @ioc: Pointer to MPT_ADAPTER structure
2130 * @mf: Pointer to SCSI task mgmt request frame
2131 * @mr: Pointer to SCSI task mgmt reply frame
2133 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2134 * of any SCSI task management request.
2135 * This routine is registered with the MPT (base) driver at driver
2136 * load/init time via the mpt_register() API call.
2138 * Returns 1 indicating alloc'd request frame ptr should be freed.
2141 mptscsih_taskmgmt_complete(MPT_ADAPTER
*ioc
, MPT_FRAME_HDR
*mf
,
2144 dtmprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
2145 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc
->name
, mf
, mr
));
2147 ioc
->taskmgmt_cmds
.status
|= MPT_MGMT_STATUS_COMMAND_GOOD
;
2152 ioc
->taskmgmt_cmds
.status
|= MPT_MGMT_STATUS_RF_VALID
;
2153 memcpy(ioc
->taskmgmt_cmds
.reply
, mr
,
2154 min(MPT_DEFAULT_FRAME_SIZE
, 4 * mr
->u
.reply
.MsgLength
));
2156 if (ioc
->taskmgmt_cmds
.status
& MPT_MGMT_STATUS_PENDING
) {
2157 mpt_clear_taskmgmt_in_progress_flag(ioc
);
2158 ioc
->taskmgmt_cmds
.status
&= ~MPT_MGMT_STATUS_PENDING
;
2159 complete(&ioc
->taskmgmt_cmds
.done
);
2160 if (ioc
->bus_type
== SAS
)
2161 ioc
->schedule_target_reset(ioc
);
2167 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2169 * This is anyones guess quite frankly.
2172 mptscsih_bios_param(struct scsi_device
* sdev
, struct block_device
*bdev
,
2173 sector_t capacity
, int geom
[])
2183 dummy
= heads
* sectors
;
2184 cylinders
= capacity
;
2185 sector_div(cylinders
,dummy
);
2188 * Handle extended translation size for logical drives
2191 if ((ulong
)capacity
>= 0x200000) {
2194 dummy
= heads
* sectors
;
2195 cylinders
= capacity
;
2196 sector_div(cylinders
,dummy
);
2202 geom
[2] = cylinders
;
2207 /* Search IOC page 3 to determine if this is hidden physical disk
2211 mptscsih_is_phys_disk(MPT_ADAPTER
*ioc
, u8 channel
, u8 id
)
2213 struct inactive_raid_component_info
*component_info
;
2215 RaidPhysDiskPage1_t
*phys_disk
;
2219 if (!ioc
->raid_data
.pIocPg3
)
2221 for (i
= 0; i
< ioc
->raid_data
.pIocPg3
->NumPhysDisks
; i
++) {
2222 if ((id
== ioc
->raid_data
.pIocPg3
->PhysDisk
[i
].PhysDiskID
) &&
2223 (channel
== ioc
->raid_data
.pIocPg3
->PhysDisk
[i
].PhysDiskBus
)) {
2229 if (ioc
->bus_type
!= SAS
)
2233 * Check if dual path
2235 for (i
= 0; i
< ioc
->raid_data
.pIocPg3
->NumPhysDisks
; i
++) {
2236 num_paths
= mpt_raid_phys_disk_get_num_paths(ioc
,
2237 ioc
->raid_data
.pIocPg3
->PhysDisk
[i
].PhysDiskNum
);
2240 phys_disk
= kzalloc(offsetof(RaidPhysDiskPage1_t
, Path
) +
2241 (num_paths
* sizeof(RAID_PHYS_DISK1_PATH
)), GFP_KERNEL
);
2244 if ((mpt_raid_phys_disk_pg1(ioc
,
2245 ioc
->raid_data
.pIocPg3
->PhysDisk
[i
].PhysDiskNum
,
2250 for (j
= 0; j
< num_paths
; j
++) {
2251 if ((phys_disk
->Path
[j
].Flags
&
2252 MPI_RAID_PHYSDISK1_FLAG_INVALID
))
2254 if ((phys_disk
->Path
[j
].Flags
&
2255 MPI_RAID_PHYSDISK1_FLAG_BROKEN
))
2257 if ((id
== phys_disk
->Path
[j
].PhysDiskID
) &&
2258 (channel
== phys_disk
->Path
[j
].PhysDiskBus
)) {
2269 * Check inactive list for matching phys disks
2271 if (list_empty(&ioc
->raid_data
.inactive_list
))
2274 mutex_lock(&ioc
->raid_data
.inactive_list_mutex
);
2275 list_for_each_entry(component_info
, &ioc
->raid_data
.inactive_list
,
2277 if ((component_info
->d
.PhysDiskID
== id
) &&
2278 (component_info
->d
.PhysDiskBus
== channel
))
2281 mutex_unlock(&ioc
->raid_data
.inactive_list_mutex
);
2286 EXPORT_SYMBOL(mptscsih_is_phys_disk
);
2289 mptscsih_raid_id_to_num(MPT_ADAPTER
*ioc
, u8 channel
, u8 id
)
2291 struct inactive_raid_component_info
*component_info
;
2293 RaidPhysDiskPage1_t
*phys_disk
;
2297 if (!ioc
->raid_data
.pIocPg3
)
2299 for (i
= 0; i
< ioc
->raid_data
.pIocPg3
->NumPhysDisks
; i
++) {
2300 if ((id
== ioc
->raid_data
.pIocPg3
->PhysDisk
[i
].PhysDiskID
) &&
2301 (channel
== ioc
->raid_data
.pIocPg3
->PhysDisk
[i
].PhysDiskBus
)) {
2302 rc
= ioc
->raid_data
.pIocPg3
->PhysDisk
[i
].PhysDiskNum
;
2307 if (ioc
->bus_type
!= SAS
)
2311 * Check if dual path
2313 for (i
= 0; i
< ioc
->raid_data
.pIocPg3
->NumPhysDisks
; i
++) {
2314 num_paths
= mpt_raid_phys_disk_get_num_paths(ioc
,
2315 ioc
->raid_data
.pIocPg3
->PhysDisk
[i
].PhysDiskNum
);
2318 phys_disk
= kzalloc(offsetof(RaidPhysDiskPage1_t
, Path
) +
2319 (num_paths
* sizeof(RAID_PHYS_DISK1_PATH
)), GFP_KERNEL
);
2322 if ((mpt_raid_phys_disk_pg1(ioc
,
2323 ioc
->raid_data
.pIocPg3
->PhysDisk
[i
].PhysDiskNum
,
2328 for (j
= 0; j
< num_paths
; j
++) {
2329 if ((phys_disk
->Path
[j
].Flags
&
2330 MPI_RAID_PHYSDISK1_FLAG_INVALID
))
2332 if ((phys_disk
->Path
[j
].Flags
&
2333 MPI_RAID_PHYSDISK1_FLAG_BROKEN
))
2335 if ((id
== phys_disk
->Path
[j
].PhysDiskID
) &&
2336 (channel
== phys_disk
->Path
[j
].PhysDiskBus
)) {
2337 rc
= phys_disk
->PhysDiskNum
;
2346 * Check inactive list for matching phys disks
2348 if (list_empty(&ioc
->raid_data
.inactive_list
))
2351 mutex_lock(&ioc
->raid_data
.inactive_list_mutex
);
2352 list_for_each_entry(component_info
, &ioc
->raid_data
.inactive_list
,
2354 if ((component_info
->d
.PhysDiskID
== id
) &&
2355 (component_info
->d
.PhysDiskBus
== channel
))
2356 rc
= component_info
->d
.PhysDiskNum
;
2358 mutex_unlock(&ioc
->raid_data
.inactive_list_mutex
);
2363 EXPORT_SYMBOL(mptscsih_raid_id_to_num
);
2366 * OS entry point to allow for host driver to free allocated memory
2367 * Called if no device present or device being unloaded
2370 mptscsih_slave_destroy(struct scsi_device
*sdev
)
2372 struct Scsi_Host
*host
= sdev
->host
;
2373 MPT_SCSI_HOST
*hd
= shost_priv(host
);
2374 VirtTarget
*vtarget
;
2375 VirtDevice
*vdevice
;
2376 struct scsi_target
*starget
;
2378 starget
= scsi_target(sdev
);
2379 vtarget
= starget
->hostdata
;
2380 vdevice
= sdev
->hostdata
;
2384 mptscsih_search_running_cmds(hd
, vdevice
);
2385 vtarget
->num_luns
--;
2386 mptscsih_synchronize_cache(hd
, vdevice
);
2388 sdev
->hostdata
= NULL
;
2391 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2393 * mptscsih_change_queue_depth - This function will set a devices queue depth
2394 * @sdev: per scsi_device pointer
2395 * @qdepth: requested queue depth
2396 * @reason: calling context
2398 * Adding support for new 'change_queue_depth' api.
2401 mptscsih_change_queue_depth(struct scsi_device
*sdev
, int qdepth
, int reason
)
2403 MPT_SCSI_HOST
*hd
= shost_priv(sdev
->host
);
2404 VirtTarget
*vtarget
;
2405 struct scsi_target
*starget
;
2408 MPT_ADAPTER
*ioc
= hd
->ioc
;
2410 starget
= scsi_target(sdev
);
2411 vtarget
= starget
->hostdata
;
2413 if (reason
!= SCSI_QDEPTH_DEFAULT
)
2416 if (ioc
->bus_type
== SPI
) {
2417 if (!(vtarget
->tflags
& MPT_TARGET_FLAGS_Q_YES
))
2419 else if (sdev
->type
== TYPE_DISK
&&
2420 vtarget
->minSyncFactor
<= MPT_ULTRA160
)
2421 max_depth
= MPT_SCSI_CMD_PER_DEV_HIGH
;
2423 max_depth
= MPT_SCSI_CMD_PER_DEV_LOW
;
2425 max_depth
= ioc
->sh
->can_queue
;
2427 if (!sdev
->tagged_supported
)
2430 if (qdepth
> max_depth
)
2435 tagged
= MSG_SIMPLE_TAG
;
2437 scsi_adjust_queue_depth(sdev
, tagged
, qdepth
);
2438 return sdev
->queue_depth
;
2442 * OS entry point to adjust the queue_depths on a per-device basis.
2443 * Called once per device the bus scan. Use it to force the queue_depth
2444 * member to 1 if a device does not support Q tags.
2445 * Return non-zero if fails.
2448 mptscsih_slave_configure(struct scsi_device
*sdev
)
2450 struct Scsi_Host
*sh
= sdev
->host
;
2451 VirtTarget
*vtarget
;
2452 VirtDevice
*vdevice
;
2453 struct scsi_target
*starget
;
2454 MPT_SCSI_HOST
*hd
= shost_priv(sh
);
2455 MPT_ADAPTER
*ioc
= hd
->ioc
;
2457 starget
= scsi_target(sdev
);
2458 vtarget
= starget
->hostdata
;
2459 vdevice
= sdev
->hostdata
;
2461 dsprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
2462 "device @ %p, channel=%d, id=%d, lun=%d\n",
2463 ioc
->name
, sdev
, sdev
->channel
, sdev
->id
, sdev
->lun
));
2464 if (ioc
->bus_type
== SPI
)
2465 dsprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
2466 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2467 ioc
->name
, sdev
->sdtr
, sdev
->wdtr
,
2468 sdev
->ppr
, sdev
->inquiry_len
));
2470 vdevice
->configured_lun
= 1;
2472 dsprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
2473 "Queue depth=%d, tflags=%x\n",
2474 ioc
->name
, sdev
->queue_depth
, vtarget
->tflags
));
2476 if (ioc
->bus_type
== SPI
)
2477 dsprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
2478 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2479 ioc
->name
, vtarget
->negoFlags
, vtarget
->maxOffset
,
2480 vtarget
->minSyncFactor
));
2482 mptscsih_change_queue_depth(sdev
, MPT_SCSI_CMD_PER_DEV_HIGH
,
2483 SCSI_QDEPTH_DEFAULT
);
2484 dsprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
2485 "tagged %d, simple %d, ordered %d\n",
2486 ioc
->name
,sdev
->tagged_supported
, sdev
->simple_tags
,
2487 sdev
->ordered_tags
));
2489 blk_queue_dma_alignment (sdev
->request_queue
, 512 - 1);
2494 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2496 * Private routines...
2499 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2500 /* Utility function to copy sense data from the scsi_cmnd buffer
2501 * to the FC and SCSI target structures.
2505 mptscsih_copy_sense_data(struct scsi_cmnd
*sc
, MPT_SCSI_HOST
*hd
, MPT_FRAME_HDR
*mf
, SCSIIOReply_t
*pScsiReply
)
2507 VirtDevice
*vdevice
;
2508 SCSIIORequest_t
*pReq
;
2509 u32 sense_count
= le32_to_cpu(pScsiReply
->SenseCount
);
2510 MPT_ADAPTER
*ioc
= hd
->ioc
;
2512 /* Get target structure
2514 pReq
= (SCSIIORequest_t
*) mf
;
2515 vdevice
= sc
->device
->hostdata
;
2521 /* Copy the sense received into the scsi command block. */
2522 req_index
= le16_to_cpu(mf
->u
.frame
.hwhdr
.msgctxu
.fld
.req_idx
);
2523 sense_data
= ((u8
*)ioc
->sense_buf_pool
+ (req_index
* MPT_SENSE_BUFFER_ALLOC
));
2524 memcpy(sc
->sense_buffer
, sense_data
, SNS_LEN(sc
));
2526 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2528 if ((ioc
->events
) && (ioc
->eventTypes
& (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE
))) {
2529 if ((sense_data
[12] == 0x5D) && (vdevice
->vtarget
->raidVolume
== 0)) {
2532 idx
= ioc
->eventContext
% MPTCTL_EVENT_LOG_SIZE
;
2533 ioc
->events
[idx
].event
= MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE
;
2534 ioc
->events
[idx
].eventContext
= ioc
->eventContext
;
2536 ioc
->events
[idx
].data
[0] = (pReq
->LUN
[1] << 24) |
2537 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA
<< 16) |
2538 (sc
->device
->channel
<< 8) | sc
->device
->id
;
2540 ioc
->events
[idx
].data
[1] = (sense_data
[13] << 8) | sense_data
[12];
2542 ioc
->eventContext
++;
2543 if (ioc
->pcidev
->vendor
==
2544 PCI_VENDOR_ID_IBM
) {
2545 mptscsih_issue_sep_command(ioc
,
2546 vdevice
->vtarget
, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT
);
2547 vdevice
->vtarget
->tflags
|=
2548 MPT_TARGET_FLAGS_LED_ON
;
2553 dprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
"Hmmm... SenseData len=0! (?)\n",
2559 * mptscsih_get_scsi_lookup - retrieves scmd entry
2560 * @ioc: Pointer to MPT_ADAPTER structure
2561 * @i: index into the array
2563 * Returns the scsi_cmd pointer
2566 mptscsih_get_scsi_lookup(MPT_ADAPTER
*ioc
, int i
)
2568 unsigned long flags
;
2569 struct scsi_cmnd
*scmd
;
2571 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
2572 scmd
= ioc
->ScsiLookup
[i
];
2573 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
2577 EXPORT_SYMBOL(mptscsih_get_scsi_lookup
);
2580 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2581 * @ioc: Pointer to MPT_ADAPTER structure
2582 * @i: index into the array
2584 * Returns the scsi_cmd pointer
2587 static struct scsi_cmnd
*
2588 mptscsih_getclear_scsi_lookup(MPT_ADAPTER
*ioc
, int i
)
2590 unsigned long flags
;
2591 struct scsi_cmnd
*scmd
;
2593 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
2594 scmd
= ioc
->ScsiLookup
[i
];
2595 ioc
->ScsiLookup
[i
] = NULL
;
2596 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
2602 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
2604 * @ioc: Pointer to MPT_ADAPTER structure
2605 * @i: index into the array
2606 * @scmd: scsi_cmnd pointer
2610 mptscsih_set_scsi_lookup(MPT_ADAPTER
*ioc
, int i
, struct scsi_cmnd
*scmd
)
2612 unsigned long flags
;
2614 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
2615 ioc
->ScsiLookup
[i
] = scmd
;
2616 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
2620 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2621 * @ioc: Pointer to MPT_ADAPTER structure
2622 * @sc: scsi_cmnd pointer
2625 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER
*ioc
, struct scsi_cmnd
*sc
)
2627 unsigned long flags
;
2630 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
2631 for (i
= 0; i
< ioc
->req_depth
; i
++) {
2632 if (ioc
->ScsiLookup
[i
] == sc
) {
2639 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
2643 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2645 mptscsih_ioc_reset(MPT_ADAPTER
*ioc
, int reset_phase
)
2649 if (ioc
->sh
== NULL
|| shost_priv(ioc
->sh
) == NULL
)
2652 hd
= shost_priv(ioc
->sh
);
2653 switch (reset_phase
) {
2654 case MPT_IOC_SETUP_RESET
:
2655 dtmprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
2656 "%s: MPT_IOC_SETUP_RESET\n", ioc
->name
, __func__
));
2658 case MPT_IOC_PRE_RESET
:
2659 dtmprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
2660 "%s: MPT_IOC_PRE_RESET\n", ioc
->name
, __func__
));
2661 mptscsih_flush_running_cmds(hd
);
2663 case MPT_IOC_POST_RESET
:
2664 dtmprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
2665 "%s: MPT_IOC_POST_RESET\n", ioc
->name
, __func__
));
2666 if (ioc
->internal_cmds
.status
& MPT_MGMT_STATUS_PENDING
) {
2667 ioc
->internal_cmds
.status
|=
2668 MPT_MGMT_STATUS_DID_IOCRESET
;
2669 complete(&ioc
->internal_cmds
.done
);
2675 return 1; /* currently means nothing really */
2678 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2680 mptscsih_event_process(MPT_ADAPTER
*ioc
, EventNotificationReply_t
*pEvReply
)
2682 u8 event
= le32_to_cpu(pEvReply
->Event
) & 0xFF;
2684 devtverboseprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
2685 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2688 if ((event
== MPI_EVENT_IOC_BUS_RESET
||
2689 event
== MPI_EVENT_EXT_BUS_RESET
) &&
2690 (ioc
->bus_type
== SPI
) && (ioc
->soft_resets
< -1))
2693 return 1; /* currently means nothing really */
2696 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2698 * Bus Scan and Domain Validation functionality ...
2701 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2703 * mptscsih_scandv_complete - Scan and DV callback routine registered
2704 * to Fustion MPT (base) driver.
2706 * @ioc: Pointer to MPT_ADAPTER structure
2707 * @mf: Pointer to original MPT request frame
2708 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2710 * This routine is called from mpt.c::mpt_interrupt() at the completion
2711 * of any SCSI IO request.
2712 * This routine is registered with the Fusion MPT (base) driver at driver
2713 * load/init time via the mpt_register() API call.
2715 * Returns 1 indicating alloc'd request frame ptr should be freed.
2717 * Remark: Sets a completion code and (possibly) saves sense data
2718 * in the IOC member localReply structure.
2719 * Used ONLY for DV and other internal commands.
2722 mptscsih_scandv_complete(MPT_ADAPTER
*ioc
, MPT_FRAME_HDR
*req
,
2723 MPT_FRAME_HDR
*reply
)
2725 SCSIIORequest_t
*pReq
;
2726 SCSIIOReply_t
*pReply
;
2732 ioc
->internal_cmds
.status
|= MPT_MGMT_STATUS_COMMAND_GOOD
;
2733 ioc
->internal_cmds
.completion_code
= MPT_SCANDV_GOOD
;
2737 pReply
= (SCSIIOReply_t
*) reply
;
2738 pReq
= (SCSIIORequest_t
*) req
;
2739 ioc
->internal_cmds
.completion_code
=
2740 mptscsih_get_completion_code(ioc
, req
, reply
);
2741 ioc
->internal_cmds
.status
|= MPT_MGMT_STATUS_RF_VALID
;
2742 memcpy(ioc
->internal_cmds
.reply
, reply
,
2743 min(MPT_DEFAULT_FRAME_SIZE
, 4 * reply
->u
.reply
.MsgLength
));
2744 cmd
= reply
->u
.hdr
.Function
;
2745 if (((cmd
== MPI_FUNCTION_SCSI_IO_REQUEST
) ||
2746 (cmd
== MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
)) &&
2747 (pReply
->SCSIState
& MPI_SCSI_STATE_AUTOSENSE_VALID
)) {
2748 req_idx
= le16_to_cpu(req
->u
.frame
.hwhdr
.msgctxu
.fld
.req_idx
);
2749 sense_data
= ((u8
*)ioc
->sense_buf_pool
+
2750 (req_idx
* MPT_SENSE_BUFFER_ALLOC
));
2751 sz
= min_t(int, pReq
->SenseBufferLength
,
2752 MPT_SENSE_BUFFER_ALLOC
);
2753 memcpy(ioc
->internal_cmds
.sense
, sense_data
, sz
);
2756 if (!(ioc
->internal_cmds
.status
& MPT_MGMT_STATUS_PENDING
))
2758 ioc
->internal_cmds
.status
&= ~MPT_MGMT_STATUS_PENDING
;
2759 complete(&ioc
->internal_cmds
.done
);
2765 * mptscsih_get_completion_code - get completion code from MPT request
2766 * @ioc: Pointer to MPT_ADAPTER structure
2767 * @req: Pointer to original MPT request frame
2768 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
2772 mptscsih_get_completion_code(MPT_ADAPTER
*ioc
, MPT_FRAME_HDR
*req
,
2773 MPT_FRAME_HDR
*reply
)
2775 SCSIIOReply_t
*pReply
;
2776 MpiRaidActionReply_t
*pr
;
2779 int completion_code
;
2781 pReply
= (SCSIIOReply_t
*)reply
;
2782 status
= le16_to_cpu(pReply
->IOCStatus
) & MPI_IOCSTATUS_MASK
;
2783 scsi_status
= pReply
->SCSIStatus
;
2785 devtprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
2786 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2787 "IOCLogInfo=%08xh\n", ioc
->name
, status
, pReply
->SCSIState
,
2788 scsi_status
, le32_to_cpu(pReply
->IOCLogInfo
)));
2792 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE
: /* 0x0043 */
2793 completion_code
= MPT_SCANDV_SELECTION_TIMEOUT
;
2796 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR
: /* 0x0046 */
2797 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED
: /* 0x0048 */
2798 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED
: /* 0x004B */
2799 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED
: /* 0x004C */
2800 completion_code
= MPT_SCANDV_DID_RESET
;
2803 case MPI_IOCSTATUS_BUSY
:
2804 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES
:
2805 completion_code
= MPT_SCANDV_BUSY
;
2808 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN
: /* 0x0045 */
2809 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR
: /* 0x0040 */
2810 case MPI_IOCSTATUS_SUCCESS
: /* 0x0000 */
2811 if (pReply
->Function
== MPI_FUNCTION_CONFIG
) {
2812 completion_code
= MPT_SCANDV_GOOD
;
2813 } else if (pReply
->Function
== MPI_FUNCTION_RAID_ACTION
) {
2814 pr
= (MpiRaidActionReply_t
*)reply
;
2815 if (le16_to_cpu(pr
->ActionStatus
) ==
2816 MPI_RAID_ACTION_ASTATUS_SUCCESS
)
2817 completion_code
= MPT_SCANDV_GOOD
;
2819 completion_code
= MPT_SCANDV_SOME_ERROR
;
2820 } else if (pReply
->SCSIState
& MPI_SCSI_STATE_AUTOSENSE_VALID
)
2821 completion_code
= MPT_SCANDV_SENSE
;
2822 else if (pReply
->SCSIState
& MPI_SCSI_STATE_AUTOSENSE_FAILED
) {
2823 if (req
->u
.scsireq
.CDB
[0] == INQUIRY
)
2824 completion_code
= MPT_SCANDV_ISSUE_SENSE
;
2826 completion_code
= MPT_SCANDV_DID_RESET
;
2827 } else if (pReply
->SCSIState
& MPI_SCSI_STATE_NO_SCSI_STATUS
)
2828 completion_code
= MPT_SCANDV_DID_RESET
;
2829 else if (pReply
->SCSIState
& MPI_SCSI_STATE_TERMINATED
)
2830 completion_code
= MPT_SCANDV_DID_RESET
;
2831 else if (scsi_status
== MPI_SCSI_STATUS_BUSY
)
2832 completion_code
= MPT_SCANDV_BUSY
;
2834 completion_code
= MPT_SCANDV_GOOD
;
2837 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR
: /* 0x0047 */
2838 if (pReply
->SCSIState
& MPI_SCSI_STATE_TERMINATED
)
2839 completion_code
= MPT_SCANDV_DID_RESET
;
2841 completion_code
= MPT_SCANDV_SOME_ERROR
;
2844 completion_code
= MPT_SCANDV_SOME_ERROR
;
2847 } /* switch(status) */
2849 devtprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
2850 " completionCode set to %08xh\n", ioc
->name
, completion_code
));
2851 return completion_code
;
2854 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2856 * mptscsih_do_cmd - Do internal command.
2857 * @hd: MPT_SCSI_HOST pointer
2858 * @io: INTERNAL_CMD pointer.
2860 * Issue the specified internally generated command and do command
2861 * specific cleanup. For bus scan / DV only.
2862 * NOTES: If command is Inquiry and status is good,
2863 * initialize a target structure, save the data
2865 * Remark: Single threaded access only.
2868 * < 0 if an illegal command or no resources
2872 * > 0 if command complete but some type of completion error.
2875 mptscsih_do_cmd(MPT_SCSI_HOST
*hd
, INTERNAL_CMD
*io
)
2878 SCSIIORequest_t
*pScsiReq
;
2879 int my_idx
, ii
, dir
;
2882 char CDB
[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2884 MPT_ADAPTER
*ioc
= hd
->ioc
;
2886 unsigned long timeleft
;
2887 unsigned long flags
;
2889 /* don't send internal command during diag reset */
2890 spin_lock_irqsave(&ioc
->taskmgmt_lock
, flags
);
2891 if (ioc
->ioc_reset_in_progress
) {
2892 spin_unlock_irqrestore(&ioc
->taskmgmt_lock
, flags
);
2893 dfailprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
2894 "%s: busy with host reset\n", ioc
->name
, __func__
));
2895 return MPT_SCANDV_BUSY
;
2897 spin_unlock_irqrestore(&ioc
->taskmgmt_lock
, flags
);
2899 mutex_lock(&ioc
->internal_cmds
.mutex
);
2901 /* Set command specific information
2906 dir
= MPI_SCSIIO_CONTROL_READ
;
2912 case TEST_UNIT_READY
:
2914 dir
= MPI_SCSIIO_CONTROL_READ
;
2920 dir
= MPI_SCSIIO_CONTROL_READ
;
2922 CDB
[4] = 1; /*Spin up the disk */
2930 dir
= MPI_SCSIIO_CONTROL_READ
;
2936 dir
= MPI_SCSIIO_CONTROL_READ
;
2938 if (io
->flags
& MPT_ICFLAG_ECHO
) {
2944 if (io
->flags
& MPT_ICFLAG_BUF_CAP
) {
2947 CDB
[6] = (io
->size
>> 16) & 0xFF;
2948 CDB
[7] = (io
->size
>> 8) & 0xFF;
2949 CDB
[8] = io
->size
& 0xFF;
2955 dir
= MPI_SCSIIO_CONTROL_WRITE
;
2957 if (io
->flags
& MPT_ICFLAG_ECHO
) {
2962 CDB
[6] = (io
->size
>> 16) & 0xFF;
2963 CDB
[7] = (io
->size
>> 8) & 0xFF;
2964 CDB
[8] = io
->size
& 0xFF;
2970 dir
= MPI_SCSIIO_CONTROL_READ
;
2977 dir
= MPI_SCSIIO_CONTROL_READ
;
2982 case SYNCHRONIZE_CACHE
:
2984 dir
= MPI_SCSIIO_CONTROL_READ
;
2986 // CDB[1] = 0x02; /* set immediate bit */
2996 /* Get and Populate a free Frame
2997 * MsgContext set in mpt_get_msg_frame call
2999 if ((mf
= mpt_get_msg_frame(ioc
->InternalCtx
, ioc
)) == NULL
) {
3000 dfailprintk(ioc
, printk(MYIOC_s_WARN_FMT
"%s: No msg frames!\n",
3001 ioc
->name
, __func__
));
3002 ret
= MPT_SCANDV_BUSY
;
3006 pScsiReq
= (SCSIIORequest_t
*) mf
;
3008 /* Get the request index */
3009 my_idx
= le16_to_cpu(mf
->u
.frame
.hwhdr
.msgctxu
.fld
.req_idx
);
3010 ADD_INDEX_LOG(my_idx
); /* for debug */
3012 if (io
->flags
& MPT_ICFLAG_PHYS_DISK
) {
3013 pScsiReq
->TargetID
= io
->physDiskNum
;
3015 pScsiReq
->ChainOffset
= 0;
3016 pScsiReq
->Function
= MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
;
3018 pScsiReq
->TargetID
= io
->id
;
3019 pScsiReq
->Bus
= io
->channel
;
3020 pScsiReq
->ChainOffset
= 0;
3021 pScsiReq
->Function
= MPI_FUNCTION_SCSI_IO_REQUEST
;
3024 pScsiReq
->CDBLength
= cmdLen
;
3025 pScsiReq
->SenseBufferLength
= MPT_SENSE_BUFFER_SIZE
;
3027 pScsiReq
->Reserved
= 0;
3029 pScsiReq
->MsgFlags
= mpt_msg_flags(ioc
);
3030 /* MsgContext set in mpt_get_msg_fram call */
3032 int_to_scsilun(io
->lun
, (struct scsi_lun
*)pScsiReq
->LUN
);
3034 if (io
->flags
& MPT_ICFLAG_TAGGED_CMD
)
3035 pScsiReq
->Control
= cpu_to_le32(dir
| MPI_SCSIIO_CONTROL_SIMPLEQ
);
3037 pScsiReq
->Control
= cpu_to_le32(dir
| MPI_SCSIIO_CONTROL_UNTAGGED
);
3039 if (cmd
== REQUEST_SENSE
) {
3040 pScsiReq
->Control
= cpu_to_le32(dir
| MPI_SCSIIO_CONTROL_UNTAGGED
);
3041 devtprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
3042 "%s: Untagged! 0x%02x\n", ioc
->name
, __func__
, cmd
));
3045 for (ii
= 0; ii
< 16; ii
++)
3046 pScsiReq
->CDB
[ii
] = CDB
[ii
];
3048 pScsiReq
->DataLength
= cpu_to_le32(io
->size
);
3049 pScsiReq
->SenseBufferLowAddr
= cpu_to_le32(ioc
->sense_buf_low_dma
3050 + (my_idx
* MPT_SENSE_BUFFER_ALLOC
));
3052 devtprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
3053 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n",
3054 ioc
->name
, __func__
, cmd
, io
->channel
, io
->id
, io
->lun
));
3056 if (dir
== MPI_SCSIIO_CONTROL_READ
)
3057 ioc
->add_sge((char *) &pScsiReq
->SGL
,
3058 MPT_SGE_FLAGS_SSIMPLE_READ
| io
->size
, io
->data_dma
);
3060 ioc
->add_sge((char *) &pScsiReq
->SGL
,
3061 MPT_SGE_FLAGS_SSIMPLE_WRITE
| io
->size
, io
->data_dma
);
3063 INITIALIZE_MGMT_STATUS(ioc
->internal_cmds
.status
)
3064 mpt_put_msg_frame(ioc
->InternalCtx
, ioc
, mf
);
3065 timeleft
= wait_for_completion_timeout(&ioc
->internal_cmds
.done
,
3067 if (!(ioc
->internal_cmds
.status
& MPT_MGMT_STATUS_COMMAND_GOOD
)) {
3068 ret
= MPT_SCANDV_DID_RESET
;
3069 dfailprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
3070 "%s: TIMED OUT for cmd=0x%02x\n", ioc
->name
, __func__
,
3072 if (ioc
->internal_cmds
.status
& MPT_MGMT_STATUS_DID_IOCRESET
) {
3073 mpt_free_msg_frame(ioc
, mf
);
3077 printk(MYIOC_s_WARN_FMT
3078 "Issuing Reset from %s!! doorbell=0x%08xh"
3080 ioc
->name
, __func__
, mpt_GetIocState(ioc
, 0),
3082 mpt_Soft_Hard_ResetHandler(ioc
, CAN_SLEEP
);
3083 mpt_free_msg_frame(ioc
, mf
);
3088 ret
= ioc
->internal_cmds
.completion_code
;
3089 devtprintk(ioc
, printk(MYIOC_s_DEBUG_FMT
"%s: success, rc=0x%02x\n",
3090 ioc
->name
, __func__
, ret
));
3093 CLEAR_MGMT_STATUS(ioc
->internal_cmds
.status
)
3094 mutex_unlock(&ioc
->internal_cmds
.mutex
);
3098 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3100 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3101 * @hd: Pointer to a SCSI HOST structure
3102 * @vdevice: virtual target device
3104 * Uses the ISR, but with special processing.
3105 * MUST be single-threaded.
3109 mptscsih_synchronize_cache(MPT_SCSI_HOST
*hd
, VirtDevice
*vdevice
)
3113 /* Ignore hidden raid components, this is handled when the command
3114 * is sent to the volume
3116 if (vdevice
->vtarget
->tflags
& MPT_TARGET_FLAGS_RAID_COMPONENT
)
3119 if (vdevice
->vtarget
->type
!= TYPE_DISK
|| vdevice
->vtarget
->deleted
||
3120 !vdevice
->configured_lun
)
3123 /* Following parameters will not change
3126 iocmd
.cmd
= SYNCHRONIZE_CACHE
;
3128 iocmd
.physDiskNum
= -1;
3130 iocmd
.data_dma
= -1;
3132 iocmd
.rsvd
= iocmd
.rsvd2
= 0;
3133 iocmd
.channel
= vdevice
->vtarget
->channel
;
3134 iocmd
.id
= vdevice
->vtarget
->id
;
3135 iocmd
.lun
= vdevice
->lun
;
3137 mptscsih_do_cmd(hd
, &iocmd
);
3141 mptscsih_version_fw_show(struct device
*dev
, struct device_attribute
*attr
,
3144 struct Scsi_Host
*host
= class_to_shost(dev
);
3145 MPT_SCSI_HOST
*hd
= shost_priv(host
);
3146 MPT_ADAPTER
*ioc
= hd
->ioc
;
3148 return snprintf(buf
, PAGE_SIZE
, "%02d.%02d.%02d.%02d\n",
3149 (ioc
->facts
.FWVersion
.Word
& 0xFF000000) >> 24,
3150 (ioc
->facts
.FWVersion
.Word
& 0x00FF0000) >> 16,
3151 (ioc
->facts
.FWVersion
.Word
& 0x0000FF00) >> 8,
3152 ioc
->facts
.FWVersion
.Word
& 0x000000FF);
3154 static DEVICE_ATTR(version_fw
, S_IRUGO
, mptscsih_version_fw_show
, NULL
);
3157 mptscsih_version_bios_show(struct device
*dev
, struct device_attribute
*attr
,
3160 struct Scsi_Host
*host
= class_to_shost(dev
);
3161 MPT_SCSI_HOST
*hd
= shost_priv(host
);
3162 MPT_ADAPTER
*ioc
= hd
->ioc
;
3164 return snprintf(buf
, PAGE_SIZE
, "%02x.%02x.%02x.%02x\n",
3165 (ioc
->biosVersion
& 0xFF000000) >> 24,
3166 (ioc
->biosVersion
& 0x00FF0000) >> 16,
3167 (ioc
->biosVersion
& 0x0000FF00) >> 8,
3168 ioc
->biosVersion
& 0x000000FF);
3170 static DEVICE_ATTR(version_bios
, S_IRUGO
, mptscsih_version_bios_show
, NULL
);
3173 mptscsih_version_mpi_show(struct device
*dev
, struct device_attribute
*attr
,
3176 struct Scsi_Host
*host
= class_to_shost(dev
);
3177 MPT_SCSI_HOST
*hd
= shost_priv(host
);
3178 MPT_ADAPTER
*ioc
= hd
->ioc
;
3180 return snprintf(buf
, PAGE_SIZE
, "%03x\n", ioc
->facts
.MsgVersion
);
3182 static DEVICE_ATTR(version_mpi
, S_IRUGO
, mptscsih_version_mpi_show
, NULL
);
3185 mptscsih_version_product_show(struct device
*dev
,
3186 struct device_attribute
*attr
,
3189 struct Scsi_Host
*host
= class_to_shost(dev
);
3190 MPT_SCSI_HOST
*hd
= shost_priv(host
);
3191 MPT_ADAPTER
*ioc
= hd
->ioc
;
3193 return snprintf(buf
, PAGE_SIZE
, "%s\n", ioc
->prod_name
);
3195 static DEVICE_ATTR(version_product
, S_IRUGO
,
3196 mptscsih_version_product_show
, NULL
);
3199 mptscsih_version_nvdata_persistent_show(struct device
*dev
,
3200 struct device_attribute
*attr
,
3203 struct Scsi_Host
*host
= class_to_shost(dev
);
3204 MPT_SCSI_HOST
*hd
= shost_priv(host
);
3205 MPT_ADAPTER
*ioc
= hd
->ioc
;
3207 return snprintf(buf
, PAGE_SIZE
, "%02xh\n",
3208 ioc
->nvdata_version_persistent
);
3210 static DEVICE_ATTR(version_nvdata_persistent
, S_IRUGO
,
3211 mptscsih_version_nvdata_persistent_show
, NULL
);
3214 mptscsih_version_nvdata_default_show(struct device
*dev
,
3215 struct device_attribute
*attr
, char *buf
)
3217 struct Scsi_Host
*host
= class_to_shost(dev
);
3218 MPT_SCSI_HOST
*hd
= shost_priv(host
);
3219 MPT_ADAPTER
*ioc
= hd
->ioc
;
3221 return snprintf(buf
, PAGE_SIZE
, "%02xh\n",ioc
->nvdata_version_default
);
3223 static DEVICE_ATTR(version_nvdata_default
, S_IRUGO
,
3224 mptscsih_version_nvdata_default_show
, NULL
);
3227 mptscsih_board_name_show(struct device
*dev
, struct device_attribute
*attr
,
3230 struct Scsi_Host
*host
= class_to_shost(dev
);
3231 MPT_SCSI_HOST
*hd
= shost_priv(host
);
3232 MPT_ADAPTER
*ioc
= hd
->ioc
;
3234 return snprintf(buf
, PAGE_SIZE
, "%s\n", ioc
->board_name
);
3236 static DEVICE_ATTR(board_name
, S_IRUGO
, mptscsih_board_name_show
, NULL
);
3239 mptscsih_board_assembly_show(struct device
*dev
,
3240 struct device_attribute
*attr
, char *buf
)
3242 struct Scsi_Host
*host
= class_to_shost(dev
);
3243 MPT_SCSI_HOST
*hd
= shost_priv(host
);
3244 MPT_ADAPTER
*ioc
= hd
->ioc
;
3246 return snprintf(buf
, PAGE_SIZE
, "%s\n", ioc
->board_assembly
);
3248 static DEVICE_ATTR(board_assembly
, S_IRUGO
,
3249 mptscsih_board_assembly_show
, NULL
);
3252 mptscsih_board_tracer_show(struct device
*dev
, struct device_attribute
*attr
,
3255 struct Scsi_Host
*host
= class_to_shost(dev
);
3256 MPT_SCSI_HOST
*hd
= shost_priv(host
);
3257 MPT_ADAPTER
*ioc
= hd
->ioc
;
3259 return snprintf(buf
, PAGE_SIZE
, "%s\n", ioc
->board_tracer
);
3261 static DEVICE_ATTR(board_tracer
, S_IRUGO
,
3262 mptscsih_board_tracer_show
, NULL
);
3265 mptscsih_io_delay_show(struct device
*dev
, struct device_attribute
*attr
,
3268 struct Scsi_Host
*host
= class_to_shost(dev
);
3269 MPT_SCSI_HOST
*hd
= shost_priv(host
);
3270 MPT_ADAPTER
*ioc
= hd
->ioc
;
3272 return snprintf(buf
, PAGE_SIZE
, "%02d\n", ioc
->io_missing_delay
);
3274 static DEVICE_ATTR(io_delay
, S_IRUGO
,
3275 mptscsih_io_delay_show
, NULL
);
3278 mptscsih_device_delay_show(struct device
*dev
, struct device_attribute
*attr
,
3281 struct Scsi_Host
*host
= class_to_shost(dev
);
3282 MPT_SCSI_HOST
*hd
= shost_priv(host
);
3283 MPT_ADAPTER
*ioc
= hd
->ioc
;
3285 return snprintf(buf
, PAGE_SIZE
, "%02d\n", ioc
->device_missing_delay
);
3287 static DEVICE_ATTR(device_delay
, S_IRUGO
,
3288 mptscsih_device_delay_show
, NULL
);
3291 mptscsih_debug_level_show(struct device
*dev
, struct device_attribute
*attr
,
3294 struct Scsi_Host
*host
= class_to_shost(dev
);
3295 MPT_SCSI_HOST
*hd
= shost_priv(host
);
3296 MPT_ADAPTER
*ioc
= hd
->ioc
;
3298 return snprintf(buf
, PAGE_SIZE
, "%08xh\n", ioc
->debug_level
);
3301 mptscsih_debug_level_store(struct device
*dev
, struct device_attribute
*attr
,
3302 const char *buf
, size_t count
)
3304 struct Scsi_Host
*host
= class_to_shost(dev
);
3305 MPT_SCSI_HOST
*hd
= shost_priv(host
);
3306 MPT_ADAPTER
*ioc
= hd
->ioc
;
3309 if (sscanf(buf
, "%x", &val
) != 1)
3312 ioc
->debug_level
= val
;
3313 printk(MYIOC_s_INFO_FMT
"debug_level=%08xh\n",
3314 ioc
->name
, ioc
->debug_level
);
3317 static DEVICE_ATTR(debug_level
, S_IRUGO
| S_IWUSR
,
3318 mptscsih_debug_level_show
, mptscsih_debug_level_store
);
3320 struct device_attribute
*mptscsih_host_attrs
[] = {
3321 &dev_attr_version_fw
,
3322 &dev_attr_version_bios
,
3323 &dev_attr_version_mpi
,
3324 &dev_attr_version_product
,
3325 &dev_attr_version_nvdata_persistent
,
3326 &dev_attr_version_nvdata_default
,
3327 &dev_attr_board_name
,
3328 &dev_attr_board_assembly
,
3329 &dev_attr_board_tracer
,
3331 &dev_attr_device_delay
,
3332 &dev_attr_debug_level
,
3336 EXPORT_SYMBOL(mptscsih_host_attrs
);
3338 EXPORT_SYMBOL(mptscsih_remove
);
3339 EXPORT_SYMBOL(mptscsih_shutdown
);
3341 EXPORT_SYMBOL(mptscsih_suspend
);
3342 EXPORT_SYMBOL(mptscsih_resume
);
3344 EXPORT_SYMBOL(mptscsih_proc_info
);
3345 EXPORT_SYMBOL(mptscsih_info
);
3346 EXPORT_SYMBOL(mptscsih_qcmd
);
3347 EXPORT_SYMBOL(mptscsih_slave_destroy
);
3348 EXPORT_SYMBOL(mptscsih_slave_configure
);
3349 EXPORT_SYMBOL(mptscsih_abort
);
3350 EXPORT_SYMBOL(mptscsih_dev_reset
);
3351 EXPORT_SYMBOL(mptscsih_bus_reset
);
3352 EXPORT_SYMBOL(mptscsih_host_reset
);
3353 EXPORT_SYMBOL(mptscsih_bios_param
);
3354 EXPORT_SYMBOL(mptscsih_io_done
);
3355 EXPORT_SYMBOL(mptscsih_taskmgmt_complete
);
3356 EXPORT_SYMBOL(mptscsih_scandv_complete
);
3357 EXPORT_SYMBOL(mptscsih_event_process
);
3358 EXPORT_SYMBOL(mptscsih_ioc_reset
);
3359 EXPORT_SYMBOL(mptscsih_change_queue_depth
);
3361 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/