2 * linux/drivers/message/fusion/mptscsih.c
3 * For use with LSI Logic PCI chip/adapter(s)
4 * running LSI Logic Fusion MPT (Message Passing Technology) firmware.
6 * Copyright (c) 1999-2005 LSI Logic Corporation
7 * (mailto:mpt_linux_developer@lsil.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_compat.h" /* linux-2.6 tweaks */
48 #include <linux/module.h>
49 #include <linux/kernel.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/sched.h>
58 #include <linux/workqueue.h>
60 #include <scsi/scsi.h>
61 #include <scsi/scsi_cmnd.h>
62 #include <scsi/scsi_device.h>
63 #include <scsi/scsi_host.h>
64 #include <scsi/scsi_tcq.h>
69 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
70 #define my_NAME "Fusion MPT SCSI Host driver"
71 #define my_VERSION MPT_LINUX_VERSION_COMMON
72 #define MYNAM "mptscsih"
74 MODULE_AUTHOR(MODULEAUTHOR
);
75 MODULE_DESCRIPTION(my_NAME
);
76 MODULE_LICENSE("GPL");
78 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
80 typedef struct _BIG_SENSE_BUF
{
81 u8 data
[MPT_SENSE_BUFFER_ALLOC
];
84 #define MPT_SCANDV_GOOD (0x00000000) /* must be 0 */
85 #define MPT_SCANDV_DID_RESET (0x00000001)
86 #define MPT_SCANDV_SENSE (0x00000002)
87 #define MPT_SCANDV_SOME_ERROR (0x00000004)
88 #define MPT_SCANDV_SELECTION_TIMEOUT (0x00000008)
89 #define MPT_SCANDV_ISSUE_SENSE (0x00000010)
90 #define MPT_SCANDV_FALLBACK (0x00000020)
92 #define MPT_SCANDV_MAX_RETRIES (10)
94 #define MPT_ICFLAG_BUF_CAP 0x01 /* ReadBuffer Read Capacity format */
95 #define MPT_ICFLAG_ECHO 0x02 /* ReadBuffer Echo buffer format */
96 #define MPT_ICFLAG_PHYS_DISK 0x04 /* Any SCSI IO but do Phys Disk Format */
97 #define MPT_ICFLAG_TAGGED_CMD 0x08 /* Do tagged IO */
98 #define MPT_ICFLAG_DID_RESET 0x20 /* Bus Reset occurred with this command */
99 #define MPT_ICFLAG_RESERVED 0x40 /* Reserved has been issued */
101 typedef struct _internal_cmd
{
102 char *data
; /* data pointer */
103 dma_addr_t data_dma
; /* data dma address */
104 int size
; /* transfer size */
105 u8 cmd
; /* SCSI Op Code */
106 u8 bus
; /* bus number */
107 u8 id
; /* SCSI ID (virtual) */
109 u8 flags
; /* Bit Field - See above */
110 u8 physDiskNum
; /* Phys disk number, -1 else */
115 typedef struct _negoparms
{
122 typedef struct _dv_parameters
{
131 * Other private/forward protos...
133 int mptscsih_io_done(MPT_ADAPTER
*ioc
, MPT_FRAME_HDR
*mf
, MPT_FRAME_HDR
*r
);
134 static void mptscsih_report_queue_full(struct scsi_cmnd
*sc
, SCSIIOReply_t
*pScsiReply
, SCSIIORequest_t
*pScsiReq
);
135 int mptscsih_taskmgmt_complete(MPT_ADAPTER
*ioc
, MPT_FRAME_HDR
*mf
, MPT_FRAME_HDR
*r
);
137 static int mptscsih_AddSGE(MPT_ADAPTER
*ioc
, struct scsi_cmnd
*SCpnt
,
138 SCSIIORequest_t
*pReq
, int req_idx
);
139 static void mptscsih_freeChainBuffers(MPT_ADAPTER
*ioc
, int req_idx
);
140 static void mptscsih_copy_sense_data(struct scsi_cmnd
*sc
, MPT_SCSI_HOST
*hd
, MPT_FRAME_HDR
*mf
, SCSIIOReply_t
*pScsiReply
);
141 static int mptscsih_tm_pending_wait(MPT_SCSI_HOST
* hd
);
142 static int mptscsih_tm_wait_for_completion(MPT_SCSI_HOST
* hd
, ulong timeout
);
143 static u32
SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd
*sc
);
145 static int mptscsih_TMHandler(MPT_SCSI_HOST
*hd
, u8 type
, u8 channel
, u8 target
, u8 lun
, int ctx2abort
, ulong timeout
);
146 static int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST
*hd
, u8 type
, u8 channel
, u8 target
, u8 lun
, int ctx2abort
, ulong timeout
);
148 int mptscsih_ioc_reset(MPT_ADAPTER
*ioc
, int post_reset
);
149 int mptscsih_event_process(MPT_ADAPTER
*ioc
, EventNotificationReply_t
*pEvReply
);
151 static void mptscsih_initTarget(MPT_SCSI_HOST
*hd
, int bus_id
, int target_id
, u8 lun
, char *data
, int dlen
);
152 static void mptscsih_setTargetNegoParms(MPT_SCSI_HOST
*hd
, VirtDevice
*target
, char byte56
);
153 static void mptscsih_set_dvflags(MPT_SCSI_HOST
*hd
, SCSIIORequest_t
*pReq
);
154 static void mptscsih_setDevicePage1Flags (u8 width
, u8 factor
, u8 offset
, int *requestedPtr
, int *configurationPtr
, u8 flags
);
155 static void mptscsih_no_negotiate(MPT_SCSI_HOST
*hd
, int target_id
);
156 static int mptscsih_writeSDP1(MPT_SCSI_HOST
*hd
, int portnum
, int target
, int flags
);
157 static int mptscsih_writeIOCPage4(MPT_SCSI_HOST
*hd
, int target_id
, int bus
);
158 int mptscsih_scandv_complete(MPT_ADAPTER
*ioc
, MPT_FRAME_HDR
*mf
, MPT_FRAME_HDR
*r
);
159 static int mptscsih_do_cmd(MPT_SCSI_HOST
*hd
, INTERNAL_CMD
*iocmd
);
160 static int mptscsih_synchronize_cache(MPT_SCSI_HOST
*hd
, int portnum
);
162 #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
163 static int mptscsih_do_raid(MPT_SCSI_HOST
*hd
, u8 action
, INTERNAL_CMD
*io
);
164 static void mptscsih_domainValidation(void *hd
);
165 static int mptscsih_is_phys_disk(MPT_ADAPTER
*ioc
, int id
);
166 static void mptscsih_qas_check(MPT_SCSI_HOST
*hd
, int id
);
167 static int mptscsih_doDv(MPT_SCSI_HOST
*hd
, int channel
, int target
);
168 static void mptscsih_dv_parms(MPT_SCSI_HOST
*hd
, DVPARAMETERS
*dv
,void *pPage
);
169 static void mptscsih_fillbuf(char *buffer
, int size
, int index
, int width
);
172 void mptscsih_remove(struct pci_dev
*);
173 void mptscsih_shutdown(struct device
*);
175 int mptscsih_suspend(struct pci_dev
*pdev
, pm_message_t state
);
176 int mptscsih_resume(struct pci_dev
*pdev
);
179 #define SNS_LEN(scp) sizeof((scp)->sense_buffer)
181 #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
183 * Domain Validation task structure
185 static DEFINE_SPINLOCK(dvtaskQ_lock
);
186 static int dvtaskQ_active
= 0;
187 static int dvtaskQ_release
= 0;
188 static struct work_struct dvTaskQ_task
;
191 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
193 * mptscsih_add_sge - Place a simple SGE at address pAddr.
194 * @pAddr: virtual address for SGE
195 * @flagslength: SGE flags and data transfer length
196 * @dma_addr: Physical address
198 * This routine places a MPT request frame back on the MPT adapter's
202 mptscsih_add_sge(char *pAddr
, u32 flagslength
, dma_addr_t dma_addr
)
204 if (sizeof(dma_addr_t
) == sizeof(u64
)) {
205 SGESimple64_t
*pSge
= (SGESimple64_t
*) pAddr
;
206 u32 tmp
= dma_addr
& 0xFFFFFFFF;
208 pSge
->FlagsLength
= cpu_to_le32(flagslength
);
209 pSge
->Address
.Low
= cpu_to_le32(tmp
);
210 tmp
= (u32
) ((u64
)dma_addr
>> 32);
211 pSge
->Address
.High
= cpu_to_le32(tmp
);
214 SGESimple32_t
*pSge
= (SGESimple32_t
*) pAddr
;
215 pSge
->FlagsLength
= cpu_to_le32(flagslength
);
216 pSge
->Address
= cpu_to_le32(dma_addr
);
218 } /* mptscsih_add_sge() */
220 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
222 * mptscsih_add_chain - Place a chain SGE at address pAddr.
223 * @pAddr: virtual address for SGE
224 * @next: nextChainOffset value (u32's)
225 * @length: length of next SGL segment
226 * @dma_addr: Physical address
228 * This routine places a MPT request frame back on the MPT adapter's
232 mptscsih_add_chain(char *pAddr
, u8 next
, u16 length
, dma_addr_t dma_addr
)
234 if (sizeof(dma_addr_t
) == sizeof(u64
)) {
235 SGEChain64_t
*pChain
= (SGEChain64_t
*) pAddr
;
236 u32 tmp
= dma_addr
& 0xFFFFFFFF;
238 pChain
->Length
= cpu_to_le16(length
);
239 pChain
->Flags
= MPI_SGE_FLAGS_CHAIN_ELEMENT
| mpt_addr_size();
241 pChain
->NextChainOffset
= next
;
243 pChain
->Address
.Low
= cpu_to_le32(tmp
);
244 tmp
= (u32
) ((u64
)dma_addr
>> 32);
245 pChain
->Address
.High
= cpu_to_le32(tmp
);
247 SGEChain32_t
*pChain
= (SGEChain32_t
*) pAddr
;
248 pChain
->Length
= cpu_to_le16(length
);
249 pChain
->Flags
= MPI_SGE_FLAGS_CHAIN_ELEMENT
| mpt_addr_size();
250 pChain
->NextChainOffset
= next
;
251 pChain
->Address
= cpu_to_le32(dma_addr
);
253 } /* mptscsih_add_chain() */
255 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
257 * mptscsih_getFreeChainBuffer - Function to get a free chain
258 * from the MPT_SCSI_HOST FreeChainQ.
259 * @ioc: Pointer to MPT_ADAPTER structure
260 * @req_idx: Index of the SCSI IO request frame. (output)
262 * return SUCCESS or FAILED
265 mptscsih_getFreeChainBuffer(MPT_ADAPTER
*ioc
, int *retIndex
)
267 MPT_FRAME_HDR
*chainBuf
;
272 dsgprintk((MYIOC_s_INFO_FMT
"getFreeChainBuffer called\n",
274 spin_lock_irqsave(&ioc
->FreeQlock
, flags
);
275 if (!list_empty(&ioc
->FreeChainQ
)) {
278 chainBuf
= list_entry(ioc
->FreeChainQ
.next
, MPT_FRAME_HDR
,
279 u
.frame
.linkage
.list
);
280 list_del(&chainBuf
->u
.frame
.linkage
.list
);
281 offset
= (u8
*)chainBuf
- (u8
*)ioc
->ChainBuffer
;
282 chain_idx
= offset
/ ioc
->req_sz
;
284 dsgprintk((MYIOC_s_INFO_FMT
"getFreeChainBuffer (index %d), got buf=%p\n",
285 ioc
->name
, *retIndex
, chainBuf
));
288 chain_idx
= MPT_HOST_NO_CHAIN
;
289 dfailprintk((MYIOC_s_ERR_FMT
"getFreeChainBuffer failed\n",
292 spin_unlock_irqrestore(&ioc
->FreeQlock
, flags
);
294 *retIndex
= chain_idx
;
296 } /* mptscsih_getFreeChainBuffer() */
298 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
300 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
301 * SCSIIORequest_t Message Frame.
302 * @ioc: Pointer to MPT_ADAPTER structure
303 * @SCpnt: Pointer to scsi_cmnd structure
304 * @pReq: Pointer to SCSIIORequest_t structure
309 mptscsih_AddSGE(MPT_ADAPTER
*ioc
, struct scsi_cmnd
*SCpnt
,
310 SCSIIORequest_t
*pReq
, int req_idx
)
314 struct scatterlist
*sg
;
316 int sges_left
, sg_done
;
317 int chain_idx
= MPT_HOST_NO_CHAIN
;
319 int numSgeSlots
, numSgeThisFrame
;
320 u32 sgflags
, sgdir
, thisxfer
= 0;
321 int chain_dma_off
= 0;
327 sgdir
= le32_to_cpu(pReq
->Control
) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK
;
328 if (sgdir
== MPI_SCSIIO_CONTROL_WRITE
) {
329 sgdir
= MPT_TRANSFER_HOST_TO_IOC
;
331 sgdir
= MPT_TRANSFER_IOC_TO_HOST
;
334 psge
= (char *) &pReq
->SGL
;
335 frm_sz
= ioc
->req_sz
;
337 /* Map the data portion, if any.
338 * sges_left = 0 if no data transfer.
340 if ( (sges_left
= SCpnt
->use_sg
) ) {
341 sges_left
= pci_map_sg(ioc
->pcidev
,
342 (struct scatterlist
*) SCpnt
->request_buffer
,
344 SCpnt
->sc_data_direction
);
347 } else if (SCpnt
->request_bufflen
) {
348 SCpnt
->SCp
.dma_handle
= pci_map_single(ioc
->pcidev
,
349 SCpnt
->request_buffer
,
350 SCpnt
->request_bufflen
,
351 SCpnt
->sc_data_direction
);
352 dsgprintk((MYIOC_s_INFO_FMT
"SG: non-SG for %p, len=%d\n",
353 ioc
->name
, SCpnt
, SCpnt
->request_bufflen
));
354 mptscsih_add_sge((char *) &pReq
->SGL
,
355 0xD1000000|MPT_SGE_FLAGS_ADDRESSING
|sgdir
|SCpnt
->request_bufflen
,
356 SCpnt
->SCp
.dma_handle
);
361 /* Handle the SG case.
363 sg
= (struct scatterlist
*) SCpnt
->request_buffer
;
365 sgeOffset
= sizeof(SCSIIORequest_t
) - sizeof(SGE_IO_UNION
);
368 /* Prior to entering this loop - the following must be set
369 * current MF: sgeOffset (bytes)
370 * chainSge (Null if original MF is not a chain buffer)
371 * sg_done (num SGE done for this MF)
375 numSgeSlots
= ((frm_sz
- sgeOffset
) / (sizeof(u32
) + sizeof(dma_addr_t
)) );
376 numSgeThisFrame
= (sges_left
< numSgeSlots
) ? sges_left
: numSgeSlots
;
378 sgflags
= MPT_SGE_FLAGS_SIMPLE_ELEMENT
| MPT_SGE_FLAGS_ADDRESSING
| sgdir
;
380 /* Get first (num - 1) SG elements
381 * Skip any SG entries with a length of 0
382 * NOTE: at finish, sg and psge pointed to NEXT data/location positions
384 for (ii
=0; ii
< (numSgeThisFrame
-1); ii
++) {
385 thisxfer
= sg_dma_len(sg
);
387 sg
++; /* Get next SG element from the OS */
392 v2
= sg_dma_address(sg
);
393 mptscsih_add_sge(psge
, sgflags
| thisxfer
, v2
);
395 sg
++; /* Get next SG element from the OS */
396 psge
+= (sizeof(u32
) + sizeof(dma_addr_t
));
397 sgeOffset
+= (sizeof(u32
) + sizeof(dma_addr_t
));
401 if (numSgeThisFrame
== sges_left
) {
402 /* Add last element, end of buffer and end of list flags.
404 sgflags
|= MPT_SGE_FLAGS_LAST_ELEMENT
|
405 MPT_SGE_FLAGS_END_OF_BUFFER
|
406 MPT_SGE_FLAGS_END_OF_LIST
;
408 /* Add last SGE and set termination flags.
409 * Note: Last SGE may have a length of 0 - which should be ok.
411 thisxfer
= sg_dma_len(sg
);
413 v2
= sg_dma_address(sg
);
414 mptscsih_add_sge(psge
, sgflags
| thisxfer
, v2
);
417 psge += (sizeof(u32) + sizeof(dma_addr_t));
419 sgeOffset
+= (sizeof(u32
) + sizeof(dma_addr_t
));
423 /* The current buffer is a chain buffer,
424 * but there is not another one.
425 * Update the chain element
426 * Offset and Length fields.
428 mptscsih_add_chain((char *)chainSge
, 0, sgeOffset
, ioc
->ChainBufferDMA
+ chain_dma_off
);
430 /* The current buffer is the original MF
431 * and there is no Chain buffer.
433 pReq
->ChainOffset
= 0;
434 RequestNB
= (((sgeOffset
- 1) >> ioc
->NBShiftFactor
) + 1) & 0x03;
435 dsgprintk((MYIOC_s_ERR_FMT
436 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc
->name
, RequestNB
, sgeOffset
));
437 ioc
->RequestNB
[req_idx
] = RequestNB
;
440 /* At least one chain buffer is needed.
441 * Complete the first MF
442 * - last SGE element, set the LastElement bit
443 * - set ChainOffset (words) for orig MF
444 * (OR finish previous MF chain buffer)
445 * - update MFStructPtr ChainIndex
446 * - Populate chain element
451 dsgprintk((MYIOC_s_INFO_FMT
"SG: Chain Required! sg done %d\n",
452 ioc
->name
, sg_done
));
454 /* Set LAST_ELEMENT flag for last non-chain element
455 * in the buffer. Since psge points at the NEXT
456 * SGE element, go back one SGE element, update the flags
457 * and reset the pointer. (Note: sgflags & thisxfer are already
461 u32
*ptmp
= (u32
*) (psge
- (sizeof(u32
) + sizeof(dma_addr_t
)));
462 sgflags
= le32_to_cpu(*ptmp
);
463 sgflags
|= MPT_SGE_FLAGS_LAST_ELEMENT
;
464 *ptmp
= cpu_to_le32(sgflags
);
468 /* The current buffer is a chain buffer.
469 * chainSge points to the previous Chain Element.
470 * Update its chain element Offset and Length (must
471 * include chain element size) fields.
472 * Old chain element is now complete.
474 u8 nextChain
= (u8
) (sgeOffset
>> 2);
475 sgeOffset
+= (sizeof(u32
) + sizeof(dma_addr_t
));
476 mptscsih_add_chain((char *)chainSge
, nextChain
, sgeOffset
, ioc
->ChainBufferDMA
+ chain_dma_off
);
478 /* The original MF buffer requires a chain buffer -
480 * Last element in this MF is a chain element.
482 pReq
->ChainOffset
= (u8
) (sgeOffset
>> 2);
483 RequestNB
= (((sgeOffset
- 1) >> ioc
->NBShiftFactor
) + 1) & 0x03;
484 dsgprintk((MYIOC_s_ERR_FMT
"Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc
->name
, RequestNB
, sgeOffset
));
485 ioc
->RequestNB
[req_idx
] = RequestNB
;
488 sges_left
-= sg_done
;
491 /* NOTE: psge points to the beginning of the chain element
492 * in current buffer. Get a chain buffer.
494 dsgprintk((MYIOC_s_INFO_FMT
495 "calling getFreeChainBuffer SCSI cmd=%02x (%p)\n",
496 ioc
->name
, pReq
->CDB
[0], SCpnt
));
497 if ((mptscsih_getFreeChainBuffer(ioc
, &newIndex
)) == FAILED
)
500 /* Update the tracking arrays.
501 * If chainSge == NULL, update ReqToChain, else ChainToChain
504 ioc
->ChainToChain
[chain_idx
] = newIndex
;
506 ioc
->ReqToChain
[req_idx
] = newIndex
;
508 chain_idx
= newIndex
;
509 chain_dma_off
= ioc
->req_sz
* chain_idx
;
511 /* Populate the chainSGE for the current buffer.
512 * - Set chain buffer pointer to psge and fill
513 * out the Address and Flags fields.
515 chainSge
= (char *) psge
;
516 dsgprintk((KERN_INFO
" Current buff @ %p (index 0x%x)",
519 /* Start the SGE for the next buffer
521 psge
= (char *) (ioc
->ChainBuffer
+ chain_dma_off
);
525 dsgprintk((KERN_INFO
" Chain buff @ %p (index 0x%x)\n",
528 /* Start the SGE for the next buffer
535 } /* mptscsih_AddSGE() */
537 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
539 * mptscsih_io_done - Main SCSI IO callback routine registered to
540 * Fusion MPT (base) driver
541 * @ioc: Pointer to MPT_ADAPTER structure
542 * @mf: Pointer to original MPT request frame
543 * @r: Pointer to MPT reply frame (NULL if TurboReply)
545 * This routine is called from mpt.c::mpt_interrupt() at the completion
546 * of any SCSI IO request.
547 * This routine is registered with the Fusion MPT (base) driver at driver
548 * load/init time via the mpt_register() API call.
550 * Returns 1 indicating alloc'd request frame ptr should be freed.
553 mptscsih_io_done(MPT_ADAPTER
*ioc
, MPT_FRAME_HDR
*mf
, MPT_FRAME_HDR
*mr
)
555 struct scsi_cmnd
*sc
;
557 SCSIIORequest_t
*pScsiReq
;
558 SCSIIOReply_t
*pScsiReply
;
561 hd
= (MPT_SCSI_HOST
*) ioc
->sh
->hostdata
;
563 req_idx
= le16_to_cpu(mf
->u
.frame
.hwhdr
.msgctxu
.fld
.req_idx
);
564 sc
= hd
->ScsiLookup
[req_idx
];
566 MPIHeader_t
*hdr
= (MPIHeader_t
*)mf
;
568 /* Remark: writeSDP1 will use the ScsiDoneCtx
569 * If a SCSI I/O cmd, device disabled by OS and
570 * completion done. Cannot touch sc struct. Just free mem.
572 if (hdr
->Function
== MPI_FUNCTION_SCSI_IO_REQUEST
)
573 printk(MYIOC_s_ERR_FMT
"NULL ScsiCmd ptr!\n",
576 mptscsih_freeChainBuffers(ioc
, req_idx
);
580 dmfprintk((MYIOC_s_INFO_FMT
581 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
582 ioc
->name
, mf
, mr
, sc
, req_idx
));
584 sc
->result
= DID_OK
<< 16; /* Set default reply as OK */
585 pScsiReq
= (SCSIIORequest_t
*) mf
;
586 pScsiReply
= (SCSIIOReply_t
*) mr
;
588 if (pScsiReply
== NULL
) {
589 /* special context reply handling */
594 u8 scsi_state
, scsi_status
;
596 status
= le16_to_cpu(pScsiReply
->IOCStatus
) & MPI_IOCSTATUS_MASK
;
597 scsi_state
= pScsiReply
->SCSIState
;
598 scsi_status
= pScsiReply
->SCSIStatus
;
599 xfer_cnt
= le32_to_cpu(pScsiReply
->TransferCount
);
600 sc
->resid
= sc
->request_bufflen
- xfer_cnt
;
602 dreplyprintk((KERN_NOTICE
"Reply ha=%d id=%d lun=%d:\n"
603 "IOCStatus=%04xh SCSIState=%02xh SCSIStatus=%02xh\n"
604 "resid=%d bufflen=%d xfer_cnt=%d\n",
605 ioc
->id
, pScsiReq
->TargetID
, pScsiReq
->LUN
[1],
606 status
, scsi_state
, scsi_status
, sc
->resid
,
607 sc
->request_bufflen
, xfer_cnt
));
609 if (scsi_state
& MPI_SCSI_STATE_AUTOSENSE_VALID
)
610 mptscsih_copy_sense_data(sc
, hd
, mf
, pScsiReply
);
613 * Look for + dump FCP ResponseInfo[]!
615 if (scsi_state
& MPI_SCSI_STATE_RESPONSE_INFO_VALID
) {
616 printk(KERN_NOTICE
" FCP_ResponseInfo=%08xh\n",
617 le32_to_cpu(pScsiReply
->ResponseInfo
));
621 case MPI_IOCSTATUS_BUSY
: /* 0x0002 */
623 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
624 * But not: DID_BUS_BUSY lest one risk
625 * killing interrupt handler:-(
627 sc
->result
= SAM_STAT_BUSY
;
630 case MPI_IOCSTATUS_SCSI_INVALID_BUS
: /* 0x0041 */
631 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID
: /* 0x0042 */
632 sc
->result
= DID_BAD_TARGET
<< 16;
635 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE
: /* 0x0043 */
636 /* Spoof to SCSI Selection Timeout! */
637 sc
->result
= DID_NO_CONNECT
<< 16;
639 if (hd
->sel_timeout
[pScsiReq
->TargetID
] < 0xFFFF)
640 hd
->sel_timeout
[pScsiReq
->TargetID
]++;
643 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED
: /* 0x0048 */
644 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED
: /* 0x004B */
645 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED
: /* 0x004C */
646 /* Linux handles an unsolicited DID_RESET better
647 * than an unsolicited DID_ABORT.
649 sc
->result
= DID_RESET
<< 16;
651 /* GEM Workaround. */
652 if (ioc
->bus_type
== SCSI
)
653 mptscsih_no_negotiate(hd
, sc
->device
->id
);
656 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH
: /* 0x0049 */
657 if ( xfer_cnt
>= sc
->underflow
) {
658 /* Sufficient data transfer occurred */
659 sc
->result
= (DID_OK
<< 16) | scsi_status
;
660 } else if ( xfer_cnt
== 0 ) {
661 /* A CRC Error causes this condition; retry */
662 sc
->result
= (DRIVER_SENSE
<< 24) | (DID_OK
<< 16) |
663 (CHECK_CONDITION
<< 1);
664 sc
->sense_buffer
[0] = 0x70;
665 sc
->sense_buffer
[2] = NO_SENSE
;
666 sc
->sense_buffer
[12] = 0;
667 sc
->sense_buffer
[13] = 0;
669 sc
->result
= DID_SOFT_ERROR
<< 16;
671 dreplyprintk((KERN_NOTICE
"RESIDUAL_MISMATCH: result=%x on id=%d\n", sc
->result
, sc
->target
));
674 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN
: /* 0x0045 */
676 * Do upfront check for valid SenseData and give it
679 sc
->result
= (DID_OK
<< 16) | scsi_status
;
680 if (scsi_state
& MPI_SCSI_STATE_AUTOSENSE_VALID
) {
681 /* Have already saved the status and sense data
685 if (xfer_cnt
< sc
->underflow
) {
686 sc
->result
= DID_SOFT_ERROR
<< 16;
688 if (scsi_state
& (MPI_SCSI_STATE_AUTOSENSE_FAILED
| MPI_SCSI_STATE_NO_SCSI_STATUS
)) {
691 sc
->result
= DID_SOFT_ERROR
<< 16;
693 else if (scsi_state
& MPI_SCSI_STATE_TERMINATED
) {
694 /* Not real sure here either... */
695 sc
->result
= DID_RESET
<< 16;
699 dreplyprintk((KERN_NOTICE
" sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
701 dreplyprintk((KERN_NOTICE
" ActBytesXferd=%02xh\n", xfer_cnt
));
704 if (scsi_status
== MPI_SCSI_STATUS_TASK_SET_FULL
)
705 mptscsih_report_queue_full(sc
, pScsiReply
, pScsiReq
);
709 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR
: /* 0x0040 */
710 case MPI_IOCSTATUS_SUCCESS
: /* 0x0000 */
711 scsi_status
= pScsiReply
->SCSIStatus
;
712 sc
->result
= (DID_OK
<< 16) | scsi_status
;
713 if (scsi_state
== 0) {
715 } else if (scsi_state
& MPI_SCSI_STATE_AUTOSENSE_VALID
) {
717 * If running against circa 200003dd 909 MPT f/w,
718 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
719 * (QUEUE_FULL) returned from device! --> get 0x0000?128
720 * and with SenseBytes set to 0.
722 if (pScsiReply
->SCSIStatus
== MPI_SCSI_STATUS_TASK_SET_FULL
)
723 mptscsih_report_queue_full(sc
, pScsiReply
, pScsiReq
);
726 else if (scsi_state
&
727 (MPI_SCSI_STATE_AUTOSENSE_FAILED
| MPI_SCSI_STATE_NO_SCSI_STATUS
)
732 sc
->result
= DID_SOFT_ERROR
<< 16;
734 else if (scsi_state
& MPI_SCSI_STATE_TERMINATED
) {
735 /* Not real sure here either... */
736 sc
->result
= DID_RESET
<< 16;
738 else if (scsi_state
& MPI_SCSI_STATE_QUEUE_TAG_REJECTED
) {
739 /* Device Inq. data indicates that it supports
740 * QTags, but rejects QTag messages.
741 * This command completed OK.
743 * Not real sure here either so do nothing... */
746 if (sc
->result
== MPI_SCSI_STATUS_TASK_SET_FULL
)
747 mptscsih_report_queue_full(sc
, pScsiReply
, pScsiReq
);
750 * Reservation Conflict, Busy,
751 * Command Terminated, CHECK
755 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR
: /* 0x0047 */
756 sc
->result
= DID_SOFT_ERROR
<< 16;
759 case MPI_IOCSTATUS_INVALID_FUNCTION
: /* 0x0001 */
760 case MPI_IOCSTATUS_INVALID_SGL
: /* 0x0003 */
761 case MPI_IOCSTATUS_INTERNAL_ERROR
: /* 0x0004 */
762 case MPI_IOCSTATUS_RESERVED
: /* 0x0005 */
763 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES
: /* 0x0006 */
764 case MPI_IOCSTATUS_INVALID_FIELD
: /* 0x0007 */
765 case MPI_IOCSTATUS_INVALID_STATE
: /* 0x0008 */
766 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN
: /* 0x0044 */
767 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR
: /* 0x0046 */
768 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED
: /* 0x004A */
773 sc
->result
= DID_SOFT_ERROR
<< 16;
776 } /* switch(status) */
778 dreplyprintk((KERN_NOTICE
" sc->result is %08xh\n", sc
->result
));
779 } /* end of address reply case */
781 /* Unmap the DMA buffers, if any. */
783 pci_unmap_sg(ioc
->pcidev
, (struct scatterlist
*) sc
->request_buffer
,
784 sc
->use_sg
, sc
->sc_data_direction
);
785 } else if (sc
->request_bufflen
) {
786 pci_unmap_single(ioc
->pcidev
, sc
->SCp
.dma_handle
,
787 sc
->request_bufflen
, sc
->sc_data_direction
);
790 hd
->ScsiLookup
[req_idx
] = NULL
;
792 sc
->scsi_done(sc
); /* Issue the command callback */
794 /* Free Chain buffers */
795 mptscsih_freeChainBuffers(ioc
, req_idx
);
801 * mptscsih_flush_running_cmds - For each command found, search
802 * Scsi_Host instance taskQ and reply to OS.
803 * Called only if recovering from a FW reload.
804 * @hd: Pointer to a SCSI HOST structure
808 * Must be called while new I/Os are being queued.
811 mptscsih_flush_running_cmds(MPT_SCSI_HOST
*hd
)
813 MPT_ADAPTER
*ioc
= hd
->ioc
;
814 struct scsi_cmnd
*SCpnt
;
817 int max
= ioc
->req_depth
;
819 dprintk((KERN_INFO MYNAM
": flush_ScsiLookup called\n"));
820 for (ii
= 0; ii
< max
; ii
++) {
821 if ((SCpnt
= hd
->ScsiLookup
[ii
]) != NULL
) {
826 /* Null ScsiLookup index
828 hd
->ScsiLookup
[ii
] = NULL
;
830 mf
= MPT_INDEX_2_MFPTR(ioc
, ii
);
831 dmfprintk(( "flush: ScsiDone (mf=%p,sc=%p)\n",
834 /* Set status, free OS resources (SG DMA buffers)
836 * Free driver resources (chain, msg buffers)
839 pci_unmap_sg(ioc
->pcidev
,
840 (struct scatterlist
*) SCpnt
->request_buffer
,
842 SCpnt
->sc_data_direction
);
843 } else if (SCpnt
->request_bufflen
) {
844 pci_unmap_single(ioc
->pcidev
,
845 SCpnt
->SCp
.dma_handle
,
846 SCpnt
->request_bufflen
,
847 SCpnt
->sc_data_direction
);
849 SCpnt
->result
= DID_RESET
<< 16;
850 SCpnt
->host_scribble
= NULL
;
852 /* Free Chain buffers */
853 mptscsih_freeChainBuffers(ioc
, ii
);
855 /* Free Message frames */
856 mpt_free_msg_frame(ioc
, mf
);
858 SCpnt
->scsi_done(SCpnt
); /* Issue the command callback */
866 * mptscsih_search_running_cmds - Delete any commands associated
867 * with the specified target and lun. Function called only
868 * when a lun is disable by mid-layer.
869 * Do NOT access the referenced scsi_cmnd structure or
870 * members. Will cause either a paging or NULL ptr error.
871 * @hd: Pointer to a SCSI HOST structure
877 * Called from slave_destroy.
880 mptscsih_search_running_cmds(MPT_SCSI_HOST
*hd
, uint target
, uint lun
)
882 SCSIIORequest_t
*mf
= NULL
;
884 int max
= hd
->ioc
->req_depth
;
886 dsprintk((KERN_INFO MYNAM
": search_running target %d lun %d max %d\n",
889 for (ii
=0; ii
< max
; ii
++) {
890 if (hd
->ScsiLookup
[ii
] != NULL
) {
892 mf
= (SCSIIORequest_t
*)MPT_INDEX_2_MFPTR(hd
->ioc
, ii
);
894 dsprintk(( "search_running: found (sc=%p, mf = %p) target %d, lun %d \n",
895 hd
->ScsiLookup
[ii
], mf
, mf
->TargetID
, mf
->LUN
[1]));
897 if ((mf
->TargetID
!= ((u8
)target
)) || (mf
->LUN
[1] != ((u8
) lun
)))
902 hd
->ScsiLookup
[ii
] = NULL
;
903 mptscsih_freeChainBuffers(hd
->ioc
, ii
);
904 mpt_free_msg_frame(hd
->ioc
, (MPT_FRAME_HDR
*)mf
);
911 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
913 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
915 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
916 * from a SCSI target device.
917 * @sc: Pointer to scsi_cmnd structure
918 * @pScsiReply: Pointer to SCSIIOReply_t
919 * @pScsiReq: Pointer to original SCSI request
921 * This routine periodically reports QUEUE_FULL status returned from a
922 * SCSI target device. It reports this to the console via kernel
923 * printk() API call, not more than once every 10 seconds.
926 mptscsih_report_queue_full(struct scsi_cmnd
*sc
, SCSIIOReply_t
*pScsiReply
, SCSIIORequest_t
*pScsiReq
)
931 if (sc
->device
== NULL
)
933 if (sc
->device
->host
== NULL
)
935 if ((hd
= (MPT_SCSI_HOST
*)sc
->device
->host
->hostdata
) == NULL
)
938 if (time
- hd
->last_queue_full
> 10 * HZ
) {
939 dprintk((MYIOC_s_WARN_FMT
"Device (%d:%d:%d) reported QUEUE_FULL!\n",
940 hd
->ioc
->name
, 0, sc
->device
->id
, sc
->device
->lun
));
941 hd
->last_queue_full
= time
;
945 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
947 * mptscsih_remove - Removed scsi devices
948 * @pdev: Pointer to pci_dev structure
953 mptscsih_remove(struct pci_dev
*pdev
)
955 MPT_ADAPTER
*ioc
= pci_get_drvdata(pdev
);
956 struct Scsi_Host
*host
= ioc
->sh
;
965 scsi_remove_host(host
);
967 if((hd
= (MPT_SCSI_HOST
*)host
->hostdata
) == NULL
)
970 #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
971 /* Check DV thread active */
973 spin_lock_irqsave(&dvtaskQ_lock
, flags
);
974 if (dvtaskQ_active
) {
975 spin_unlock_irqrestore(&dvtaskQ_lock
, flags
);
976 while(dvtaskQ_active
&& --count
) {
977 set_current_state(TASK_INTERRUPTIBLE
);
981 spin_unlock_irqrestore(&dvtaskQ_lock
, flags
);
984 printk(KERN_ERR MYNAM
": ERROR - DV thread still active!\n");
985 #if defined(MPT_DEBUG_DV) || defined(MPT_DEBUG_DV_TINY)
987 printk(KERN_ERR MYNAM
": DV thread orig %d, count %d\n", 10 * HZ
, count
);
991 mptscsih_shutdown(&pdev
->dev
);
995 if (hd
->ScsiLookup
!= NULL
) {
996 sz1
= hd
->ioc
->req_depth
* sizeof(void *);
997 kfree(hd
->ScsiLookup
);
998 hd
->ScsiLookup
= NULL
;
1002 * Free pointer array.
1007 dprintk((MYIOC_s_INFO_FMT
1008 "Free'd ScsiLookup (%d) memory\n",
1009 hd
->ioc
->name
, sz1
));
1011 kfree(hd
->info_kbuf
);
1013 /* NULL the Scsi_Host pointer
1017 scsi_host_put(host
);
1023 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1025 * mptscsih_shutdown - reboot notifier
1029 mptscsih_shutdown(struct device
* dev
)
1031 MPT_ADAPTER
*ioc
= pci_get_drvdata(to_pci_dev(dev
));
1032 struct Scsi_Host
*host
= ioc
->sh
;
1038 hd
= (MPT_SCSI_HOST
*)host
->hostdata
;
1040 /* Flush the cache of this adapter
1043 mptscsih_synchronize_cache(hd
, 0);
1048 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1050 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1055 mptscsih_suspend(struct pci_dev
*pdev
, pm_message_t state
)
1057 mptscsih_shutdown(&pdev
->dev
);
1058 return mpt_suspend(pdev
,state
);
1061 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1063 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1068 mptscsih_resume(struct pci_dev
*pdev
)
1070 MPT_ADAPTER
*ioc
= pci_get_drvdata(pdev
);
1071 struct Scsi_Host
*host
= ioc
->sh
;
1079 hd
= (MPT_SCSI_HOST
*)host
->hostdata
;
1083 #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
1085 unsigned long lflags
;
1086 spin_lock_irqsave(&dvtaskQ_lock
, lflags
);
1087 if (!dvtaskQ_active
) {
1089 spin_unlock_irqrestore(&dvtaskQ_lock
, lflags
);
1090 INIT_WORK(&dvTaskQ_task
,
1091 mptscsih_domainValidation
, (void *) hd
);
1092 schedule_work(&dvTaskQ_task
);
1094 spin_unlock_irqrestore(&dvtaskQ_lock
, lflags
);
1103 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1105 * mptscsih_info - Return information about MPT adapter
1106 * @SChost: Pointer to Scsi_Host structure
1108 * (linux scsi_host_template.info routine)
1110 * Returns pointer to buffer where information was written.
1113 mptscsih_info(struct Scsi_Host
*SChost
)
1118 h
= (MPT_SCSI_HOST
*)SChost
->hostdata
;
1121 if (h
->info_kbuf
== NULL
)
1122 if ((h
->info_kbuf
= kmalloc(0x1000 /* 4Kb */, GFP_KERNEL
)) == NULL
)
1123 return h
->info_kbuf
;
1124 h
->info_kbuf
[0] = '\0';
1126 mpt_print_ioc_summary(h
->ioc
, h
->info_kbuf
, &size
, 0, 0);
1127 h
->info_kbuf
[size
-1] = '\0';
1130 return h
->info_kbuf
;
1141 mptscsih_copy_mem_info(struct info_str
*info
, char *data
, int len
)
1143 if (info
->pos
+ len
> info
->length
)
1144 len
= info
->length
- info
->pos
;
1146 if (info
->pos
+ len
< info
->offset
) {
1151 if (info
->pos
< info
->offset
) {
1152 data
+= (info
->offset
- info
->pos
);
1153 len
-= (info
->offset
- info
->pos
);
1157 memcpy(info
->buffer
+ info
->pos
, data
, len
);
1163 mptscsih_copy_info(struct info_str
*info
, char *fmt
, ...)
1169 va_start(args
, fmt
);
1170 len
= vsprintf(buf
, fmt
, args
);
1173 mptscsih_copy_mem_info(info
, buf
, len
);
1178 mptscsih_host_info(MPT_ADAPTER
*ioc
, char *pbuf
, off_t offset
, int len
)
1180 struct info_str info
;
1184 info
.offset
= offset
;
1187 mptscsih_copy_info(&info
, "%s: %s, ", ioc
->name
, ioc
->prod_name
);
1188 mptscsih_copy_info(&info
, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING
, ioc
->facts
.FWVersion
.Word
);
1189 mptscsih_copy_info(&info
, "Ports=%d, ", ioc
->facts
.NumberOfPorts
);
1190 mptscsih_copy_info(&info
, "MaxQ=%d\n", ioc
->req_depth
);
1192 return ((info
.pos
> info
.offset
) ? info
.pos
- info
.offset
: 0);
1195 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1197 * mptscsih_proc_info - Return information about MPT adapter
1199 * (linux scsi_host_template.info routine)
1201 * buffer: if write, user data; if read, buffer for user
1202 * length: if write, return length;
1203 * offset: if write, 0; if read, the current offset into the buffer from
1204 * the previous read.
1205 * hostno: scsi host number
1206 * func: if write = 1; if read = 0
1209 mptscsih_proc_info(struct Scsi_Host
*host
, char *buffer
, char **start
, off_t offset
,
1210 int length
, int func
)
1212 MPT_SCSI_HOST
*hd
= (MPT_SCSI_HOST
*)host
->hostdata
;
1213 MPT_ADAPTER
*ioc
= hd
->ioc
;
1218 * write is not supported
1224 size
= mptscsih_host_info(ioc
, buffer
, offset
, length
);
1230 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1231 #define ADD_INDEX_LOG(req_ent) do { } while(0)
1233 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1235 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1236 * @SCpnt: Pointer to scsi_cmnd structure
1237 * @done: Pointer SCSI mid-layer IO completion function
1239 * (linux scsi_host_template.queuecommand routine)
1240 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1241 * from a linux scsi_cmnd request and send it to the IOC.
1243 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1246 mptscsih_qcmd(struct scsi_cmnd
*SCpnt
, void (*done
)(struct scsi_cmnd
*))
1250 SCSIIORequest_t
*pScsiReq
;
1251 VirtDevice
*pTarget
;
1261 hd
= (MPT_SCSI_HOST
*) SCpnt
->device
->host
->hostdata
;
1262 target
= SCpnt
->device
->id
;
1263 lun
= SCpnt
->device
->lun
;
1264 SCpnt
->scsi_done
= done
;
1266 pTarget
= hd
->Targets
[target
];
1268 dmfprintk((MYIOC_s_INFO_FMT
"qcmd: SCpnt=%p, done()=%p\n",
1269 (hd
&& hd
->ioc
) ? hd
->ioc
->name
: "ioc?", SCpnt
, done
));
1271 if (hd
->resetPending
) {
1272 dtmprintk((MYIOC_s_WARN_FMT
"qcmd: SCpnt=%p timeout + 60HZ\n",
1273 (hd
&& hd
->ioc
) ? hd
->ioc
->name
: "ioc?", SCpnt
));
1274 return SCSI_MLQUEUE_HOST_BUSY
;
1278 * Put together a MPT SCSI request...
1280 if ((mf
= mpt_get_msg_frame(hd
->ioc
->DoneCtx
, hd
->ioc
)) == NULL
) {
1281 dprintk((MYIOC_s_WARN_FMT
"QueueCmd, no msg frames!!\n",
1283 return SCSI_MLQUEUE_HOST_BUSY
;
1286 pScsiReq
= (SCSIIORequest_t
*) mf
;
1288 my_idx
= le16_to_cpu(mf
->u
.frame
.hwhdr
.msgctxu
.fld
.req_idx
);
1290 ADD_INDEX_LOG(my_idx
);
1292 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1293 * Seems we may receive a buffer (datalen>0) even when there
1294 * will be no data transfer! GRRRRR...
1296 if (SCpnt
->sc_data_direction
== DMA_FROM_DEVICE
) {
1297 datalen
= SCpnt
->request_bufflen
;
1298 scsidir
= MPI_SCSIIO_CONTROL_READ
; /* DATA IN (host<--ioc<--dev) */
1299 } else if (SCpnt
->sc_data_direction
== DMA_TO_DEVICE
) {
1300 datalen
= SCpnt
->request_bufflen
;
1301 scsidir
= MPI_SCSIIO_CONTROL_WRITE
; /* DATA OUT (host-->ioc-->dev) */
1304 scsidir
= MPI_SCSIIO_CONTROL_NODATATRANSFER
;
1307 /* Default to untagged. Once a target structure has been allocated,
1308 * use the Inquiry data to determine if device supports tagged.
1311 && (pTarget
->tflags
& MPT_TARGET_FLAGS_Q_YES
)
1312 && (SCpnt
->device
->tagged_supported
)) {
1313 scsictl
= scsidir
| MPI_SCSIIO_CONTROL_SIMPLEQ
;
1315 scsictl
= scsidir
| MPI_SCSIIO_CONTROL_UNTAGGED
;
1318 /* Use the above information to set up the message frame
1320 pScsiReq
->TargetID
= (u8
) target
;
1321 pScsiReq
->Bus
= (u8
) SCpnt
->device
->channel
;
1322 pScsiReq
->ChainOffset
= 0;
1323 pScsiReq
->Function
= MPI_FUNCTION_SCSI_IO_REQUEST
;
1324 pScsiReq
->CDBLength
= SCpnt
->cmd_len
;
1325 pScsiReq
->SenseBufferLength
= MPT_SENSE_BUFFER_SIZE
;
1326 pScsiReq
->Reserved
= 0;
1327 pScsiReq
->MsgFlags
= mpt_msg_flags();
1328 pScsiReq
->LUN
[0] = 0;
1329 pScsiReq
->LUN
[1] = lun
;
1330 pScsiReq
->LUN
[2] = 0;
1331 pScsiReq
->LUN
[3] = 0;
1332 pScsiReq
->LUN
[4] = 0;
1333 pScsiReq
->LUN
[5] = 0;
1334 pScsiReq
->LUN
[6] = 0;
1335 pScsiReq
->LUN
[7] = 0;
1336 pScsiReq
->Control
= cpu_to_le32(scsictl
);
1339 * Write SCSI CDB into the message
1341 cmd_len
= SCpnt
->cmd_len
;
1342 for (ii
=0; ii
< cmd_len
; ii
++)
1343 pScsiReq
->CDB
[ii
] = SCpnt
->cmnd
[ii
];
1345 for (ii
=cmd_len
; ii
< 16; ii
++)
1346 pScsiReq
->CDB
[ii
] = 0;
1349 pScsiReq
->DataLength
= cpu_to_le32(datalen
);
1351 /* SenseBuffer low address */
1352 pScsiReq
->SenseBufferLowAddr
= cpu_to_le32(hd
->ioc
->sense_buf_low_dma
1353 + (my_idx
* MPT_SENSE_BUFFER_ALLOC
));
1355 /* Now add the SG list
1356 * Always have a SGE even if null length.
1359 /* Add a NULL SGE */
1360 mptscsih_add_sge((char *)&pScsiReq
->SGL
, MPT_SGE_FLAGS_SSIMPLE_READ
| 0,
1363 /* Add a 32 or 64 bit SGE */
1364 if (mptscsih_AddSGE(hd
->ioc
, SCpnt
, pScsiReq
, my_idx
) != SUCCESS
)
1368 hd
->ScsiLookup
[my_idx
] = SCpnt
;
1369 SCpnt
->host_scribble
= NULL
;
1371 #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
1372 if (hd
->ioc
->bus_type
== SCSI
) {
1373 int dvStatus
= hd
->ioc
->spi_data
.dvStatus
[target
];
1376 if (dvStatus
|| hd
->ioc
->spi_data
.forceDv
) {
1378 if ((dvStatus
& MPT_SCSICFG_NEED_DV
) ||
1379 (hd
->ioc
->spi_data
.forceDv
& MPT_SCSICFG_NEED_DV
)) {
1380 unsigned long lflags
;
1381 /* Schedule DV if necessary */
1382 spin_lock_irqsave(&dvtaskQ_lock
, lflags
);
1383 if (!dvtaskQ_active
) {
1385 spin_unlock_irqrestore(&dvtaskQ_lock
, lflags
);
1386 INIT_WORK(&dvTaskQ_task
, mptscsih_domainValidation
, (void *) hd
);
1388 schedule_work(&dvTaskQ_task
);
1390 spin_unlock_irqrestore(&dvtaskQ_lock
, lflags
);
1392 hd
->ioc
->spi_data
.forceDv
&= ~MPT_SCSICFG_NEED_DV
;
1395 /* Trying to do DV to this target, extend timeout.
1396 * Wait to issue until flag is clear
1398 if (dvStatus
& MPT_SCSICFG_DV_PENDING
) {
1399 mod_timer(&SCpnt
->eh_timeout
, jiffies
+ 40 * HZ
);
1403 /* Set the DV flags.
1405 if (dvStatus
& MPT_SCSICFG_DV_NOT_DONE
)
1406 mptscsih_set_dvflags(hd
, pScsiReq
);
1414 mpt_put_msg_frame(hd
->ioc
->DoneCtx
, hd
->ioc
, mf
);
1415 dmfprintk((MYIOC_s_INFO_FMT
"Issued SCSI cmd (%p) mf=%p idx=%d\n",
1416 hd
->ioc
->name
, SCpnt
, mf
, my_idx
));
1417 DBG_DUMP_REQUEST_FRAME(mf
)
1421 mptscsih_freeChainBuffers(hd
->ioc
, my_idx
);
1422 mpt_free_msg_frame(hd
->ioc
, mf
);
1423 return SCSI_MLQUEUE_HOST_BUSY
;
1426 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1428 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1429 * with a SCSI IO request
1430 * @hd: Pointer to the MPT_SCSI_HOST instance
1431 * @req_idx: Index of the SCSI IO request frame.
1433 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1437 mptscsih_freeChainBuffers(MPT_ADAPTER
*ioc
, int req_idx
)
1439 MPT_FRAME_HDR
*chain
;
1440 unsigned long flags
;
1444 /* Get the first chain index and reset
1447 chain_idx
= ioc
->ReqToChain
[req_idx
];
1448 ioc
->ReqToChain
[req_idx
] = MPT_HOST_NO_CHAIN
;
1450 while (chain_idx
!= MPT_HOST_NO_CHAIN
) {
1452 /* Save the next chain buffer index */
1453 next
= ioc
->ChainToChain
[chain_idx
];
1455 /* Free this chain buffer and reset
1458 ioc
->ChainToChain
[chain_idx
] = MPT_HOST_NO_CHAIN
;
1460 chain
= (MPT_FRAME_HDR
*) (ioc
->ChainBuffer
1461 + (chain_idx
* ioc
->req_sz
));
1463 spin_lock_irqsave(&ioc
->FreeQlock
, flags
);
1464 list_add_tail(&chain
->u
.frame
.linkage
.list
, &ioc
->FreeChainQ
);
1465 spin_unlock_irqrestore(&ioc
->FreeQlock
, flags
);
1467 dmfprintk((MYIOC_s_INFO_FMT
"FreeChainBuffers (index %d)\n",
1468 ioc
->name
, chain_idx
));
1476 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1481 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1483 * mptscsih_TMHandler - Generic handler for SCSI Task Management.
1484 * Fall through to mpt_HardResetHandler if: not operational, too many
1485 * failed TM requests or handshake failure.
1487 * @ioc: Pointer to MPT_ADAPTER structure
1488 * @type: Task Management type
1489 * @target: Logical Target ID for reset (if appropriate)
1490 * @lun: Logical Unit for reset (if appropriate)
1491 * @ctx2abort: Context for the task to be aborted (if appropriate)
1493 * Remark: Currently invoked from a non-interrupt thread (_bh).
1495 * Remark: With old EH code, at most 1 SCSI TaskMgmt function per IOC
1498 * Returns 0 for SUCCESS or -1 if FAILED.
1501 mptscsih_TMHandler(MPT_SCSI_HOST
*hd
, u8 type
, u8 channel
, u8 target
, u8 lun
, int ctx2abort
, ulong timeout
)
1507 unsigned long flags
;
1509 /* If FW is being reloaded currently, return success to
1510 * the calling function.
1517 printk(KERN_ERR MYNAM
" TMHandler" " NULL ioc!\n");
1520 dtmprintk((MYIOC_s_INFO_FMT
"TMHandler Entered!\n", ioc
->name
));
1522 // SJR - CHECKME - Can we avoid this here?
1523 // (mpt_HardResetHandler has this check...)
1524 spin_lock_irqsave(&ioc
->diagLock
, flags
);
1525 if ((ioc
->diagPending
) || (ioc
->alt_ioc
&& ioc
->alt_ioc
->diagPending
)) {
1526 spin_unlock_irqrestore(&ioc
->diagLock
, flags
);
1529 spin_unlock_irqrestore(&ioc
->diagLock
, flags
);
1531 /* Wait a fixed amount of time for the TM pending flag to be cleared.
1532 * If we time out and not bus reset, then we return a FAILED status to the caller.
1533 * The call to mptscsih_tm_pending_wait() will set the pending flag if we are
1534 * successful. Otherwise, reload the FW.
1536 if (mptscsih_tm_pending_wait(hd
) == FAILED
) {
1537 if (type
== MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK
) {
1538 dtmprintk((KERN_WARNING MYNAM
": %s: TMHandler abort: "
1539 "Timed out waiting for last TM (%d) to complete! \n",
1540 hd
->ioc
->name
, hd
->tmPending
));
1542 } else if (type
== MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET
) {
1543 dtmprintk((KERN_WARNING MYNAM
": %s: TMHandler target reset: "
1544 "Timed out waiting for last TM (%d) to complete! \n",
1545 hd
->ioc
->name
, hd
->tmPending
));
1547 } else if (type
== MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS
) {
1548 dtmprintk((KERN_WARNING MYNAM
": %s: TMHandler bus reset: "
1549 "Timed out waiting for last TM (%d) to complete! \n",
1550 hd
->ioc
->name
, hd
->tmPending
));
1551 if (hd
->tmPending
& (1 << MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS
))
1557 spin_lock_irqsave(&hd
->ioc
->FreeQlock
, flags
);
1558 hd
->tmPending
|= (1 << type
);
1559 spin_unlock_irqrestore(&hd
->ioc
->FreeQlock
, flags
);
1564 ioc_raw_state
= mpt_GetIocState(hd
->ioc
, 0);
1566 #ifdef MPT_DEBUG_RESET
1567 if ((ioc_raw_state
& MPI_IOC_STATE_MASK
) != MPI_IOC_STATE_OPERATIONAL
) {
1568 printk(MYIOC_s_WARN_FMT
1569 "TM Handler: IOC Not operational(0x%x)!\n",
1570 hd
->ioc
->name
, ioc_raw_state
);
1574 if (doTask
&& ((ioc_raw_state
& MPI_IOC_STATE_MASK
) == MPI_IOC_STATE_OPERATIONAL
)
1575 && !(ioc_raw_state
& MPI_DOORBELL_ACTIVE
)) {
1577 /* Isse the Task Mgmt request.
1579 if (hd
->hard_resets
< -1)
1581 rc
= mptscsih_IssueTaskMgmt(hd
, type
, channel
, target
, lun
, ctx2abort
, timeout
);
1583 printk(MYIOC_s_INFO_FMT
"Issue of TaskMgmt failed!\n", hd
->ioc
->name
);
1585 dtmprintk((MYIOC_s_INFO_FMT
"Issue of TaskMgmt Successful!\n", hd
->ioc
->name
));
1589 /* Only fall through to the HRH if this is a bus reset
1591 if ((type
== MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS
) && (rc
||
1592 ioc
->reload_fw
|| (ioc
->alt_ioc
&& ioc
->alt_ioc
->reload_fw
))) {
1593 dtmprintk((MYIOC_s_INFO_FMT
"Calling HardReset! \n",
1595 rc
= mpt_HardResetHandler(hd
->ioc
, CAN_SLEEP
);
1598 dtmprintk((MYIOC_s_INFO_FMT
"TMHandler rc = %d!\n", hd
->ioc
->name
, rc
));
1604 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1606 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1607 * @hd: Pointer to MPT_SCSI_HOST structure
1608 * @type: Task Management type
1609 * @target: Logical Target ID for reset (if appropriate)
1610 * @lun: Logical Unit for reset (if appropriate)
1611 * @ctx2abort: Context for the task to be aborted (if appropriate)
1613 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1614 * or a non-interrupt thread. In the former, must not call schedule().
1616 * Not all fields are meaningfull for all task types.
1618 * Returns 0 for SUCCESS, -999 for "no msg frames",
1619 * else other non-zero value returned.
1622 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST
*hd
, u8 type
, u8 channel
, u8 target
, u8 lun
, int ctx2abort
, ulong timeout
)
1625 SCSITaskMgmt_t
*pScsiTm
;
1629 /* Return Fail to calling function if no message frames available.
1631 if ((mf
= mpt_get_msg_frame(hd
->ioc
->TaskCtx
, hd
->ioc
)) == NULL
) {
1632 dfailprintk((MYIOC_s_ERR_FMT
"IssueTaskMgmt, no msg frames!!\n",
1637 dtmprintk((MYIOC_s_INFO_FMT
"IssueTaskMgmt request @ %p\n",
1638 hd
->ioc
->name
, mf
));
1640 /* Format the Request
1642 pScsiTm
= (SCSITaskMgmt_t
*) mf
;
1643 pScsiTm
->TargetID
= target
;
1644 pScsiTm
->Bus
= channel
;
1645 pScsiTm
->ChainOffset
= 0;
1646 pScsiTm
->Function
= MPI_FUNCTION_SCSI_TASK_MGMT
;
1648 pScsiTm
->Reserved
= 0;
1649 pScsiTm
->TaskType
= type
;
1650 pScsiTm
->Reserved1
= 0;
1651 pScsiTm
->MsgFlags
= (type
== MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS
)
1652 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION
: 0;
1654 for (ii
= 0; ii
< 8; ii
++) {
1655 pScsiTm
->LUN
[ii
] = 0;
1657 pScsiTm
->LUN
[1] = lun
;
1659 for (ii
=0; ii
< 7; ii
++)
1660 pScsiTm
->Reserved2
[ii
] = 0;
1662 pScsiTm
->TaskMsgContext
= ctx2abort
;
1664 dtmprintk((MYIOC_s_INFO_FMT
1665 "IssueTaskMgmt: ctx2abort (0x%08x) type=%d\n",
1666 hd
->ioc
->name
, ctx2abort
, type
));
1668 DBG_DUMP_TM_REQUEST_FRAME((u32
*)pScsiTm
);
1670 if ((retval
= mpt_send_handshake_request(hd
->ioc
->TaskCtx
, hd
->ioc
,
1671 sizeof(SCSITaskMgmt_t
), (u32
*)pScsiTm
,
1673 dfailprintk((MYIOC_s_ERR_FMT
"_send_handshake FAILED!"
1674 " (hd %p, ioc %p, mf %p) \n", hd
->ioc
->name
, hd
,
1676 mpt_free_msg_frame(hd
->ioc
, mf
);
1680 if(mptscsih_tm_wait_for_completion(hd
, timeout
) == FAILED
) {
1681 dfailprintk((MYIOC_s_ERR_FMT
"_wait_for_completion FAILED!"
1682 " (hd %p, ioc %p, mf %p) \n", hd
->ioc
->name
, hd
,
1684 mpt_free_msg_frame(hd
->ioc
, mf
);
1685 dtmprintk((MYIOC_s_INFO_FMT
"Calling HardReset! \n",
1687 retval
= mpt_HardResetHandler(hd
->ioc
, CAN_SLEEP
);
1693 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1695 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1696 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1698 * (linux scsi_host_template.eh_abort_handler routine)
1700 * Returns SUCCESS or FAILED.
1703 mptscsih_abort(struct scsi_cmnd
* SCpnt
)
1711 /* If we can't locate our host adapter structure, return FAILED status.
1713 if ((hd
= (MPT_SCSI_HOST
*) SCpnt
->device
->host
->hostdata
) == NULL
) {
1714 SCpnt
->result
= DID_RESET
<< 16;
1715 SCpnt
->scsi_done(SCpnt
);
1716 dfailprintk((KERN_WARNING MYNAM
": mptscsih_abort: "
1717 "Can't locate host! (sc=%p)\n",
1723 if (hd
->resetPending
)
1726 printk(KERN_WARNING MYNAM
": %s: >> Attempting task abort! (sc=%p)\n",
1727 hd
->ioc
->name
, SCpnt
);
1729 if (hd
->timeouts
< -1)
1732 /* Find this command
1734 if ((scpnt_idx
= SCPNT_TO_LOOKUP_IDX(SCpnt
)) < 0) {
1735 /* Cmd not found in ScsiLookup.
1738 SCpnt
->result
= DID_RESET
<< 16;
1739 dtmprintk((KERN_WARNING MYNAM
": %s: mptscsih_abort: "
1740 "Command not in the active list! (sc=%p)\n",
1741 hd
->ioc
->name
, SCpnt
));
1745 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1746 * (the IO to be ABORT'd)
1748 * NOTE: Since we do not byteswap MsgContext, we do not
1749 * swap it here either. It is an opaque cookie to
1750 * the controller, so it does not matter. -DaveM
1752 mf
= MPT_INDEX_2_MFPTR(hd
->ioc
, scpnt_idx
);
1753 ctx2abort
= mf
->u
.frame
.hwhdr
.msgctxu
.MsgContext
;
1755 hd
->abortSCpnt
= SCpnt
;
1757 if (mptscsih_TMHandler(hd
, MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK
,
1758 SCpnt
->device
->channel
, SCpnt
->device
->id
, SCpnt
->device
->lun
,
1759 ctx2abort
, 2 /* 2 second timeout */)
1762 /* The TM request failed and the subsequent FW-reload failed!
1765 printk(MYIOC_s_WARN_FMT
"Error issuing abort task! (sc=%p)\n",
1766 hd
->ioc
->name
, SCpnt
);
1768 /* We must clear our pending flag before clearing our state.
1771 hd
->tmState
= TM_STATE_NONE
;
1773 /* Unmap the DMA buffers, if any. */
1774 if (SCpnt
->use_sg
) {
1775 pci_unmap_sg(ioc
->pcidev
, (struct scatterlist
*) SCpnt
->request_buffer
,
1776 SCpnt
->use_sg
, SCpnt
->sc_data_direction
);
1777 } else if (SCpnt
->request_bufflen
) {
1778 pci_unmap_single(ioc
->pcidev
, SCpnt
->SCp
.dma_handle
,
1779 SCpnt
->request_bufflen
, SCpnt
->sc_data_direction
);
1781 hd
->ScsiLookup
[scpnt_idx
] = NULL
;
1782 SCpnt
->result
= DID_RESET
<< 16;
1783 SCpnt
->scsi_done(SCpnt
); /* Issue the command callback */
1784 mptscsih_freeChainBuffers(ioc
, scpnt_idx
);
1785 mpt_free_msg_frame(ioc
, mf
);
1791 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1793 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1794 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1796 * (linux scsi_host_template.eh_dev_reset_handler routine)
1798 * Returns SUCCESS or FAILED.
1801 mptscsih_dev_reset(struct scsi_cmnd
* SCpnt
)
1805 /* If we can't locate our host adapter structure, return FAILED status.
1807 if ((hd
= (MPT_SCSI_HOST
*) SCpnt
->device
->host
->hostdata
) == NULL
){
1808 dtmprintk((KERN_WARNING MYNAM
": mptscsih_dev_reset: "
1809 "Can't locate host! (sc=%p)\n",
1814 if (hd
->resetPending
)
1817 printk(KERN_WARNING MYNAM
": %s: >> Attempting target reset! (sc=%p)\n",
1818 hd
->ioc
->name
, SCpnt
);
1820 if (mptscsih_TMHandler(hd
, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET
,
1821 SCpnt
->device
->channel
, SCpnt
->device
->id
,
1822 0, 0, 5 /* 5 second timeout */)
1824 /* The TM request failed and the subsequent FW-reload failed!
1827 printk(MYIOC_s_WARN_FMT
"Error processing TaskMgmt request (sc=%p)\n",
1828 hd
->ioc
->name
, SCpnt
);
1830 hd
->tmState
= TM_STATE_NONE
;
1837 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1839 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1840 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1842 * (linux scsi_host_template.eh_bus_reset_handler routine)
1844 * Returns SUCCESS or FAILED.
1847 mptscsih_bus_reset(struct scsi_cmnd
* SCpnt
)
1850 spinlock_t
*host_lock
= SCpnt
->device
->host
->host_lock
;
1852 /* If we can't locate our host adapter structure, return FAILED status.
1854 if ((hd
= (MPT_SCSI_HOST
*) SCpnt
->device
->host
->hostdata
) == NULL
){
1855 dtmprintk((KERN_WARNING MYNAM
": mptscsih_bus_reset: "
1856 "Can't locate host! (sc=%p)\n",
1861 printk(KERN_WARNING MYNAM
": %s: >> Attempting bus reset! (sc=%p)\n",
1862 hd
->ioc
->name
, SCpnt
);
1864 if (hd
->timeouts
< -1)
1867 /* We are now ready to execute the task management request. */
1868 if (mptscsih_TMHandler(hd
, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS
,
1869 SCpnt
->device
->channel
, 0, 0, 0, 5 /* 5 second timeout */)
1872 /* The TM request failed and the subsequent FW-reload failed!
1875 printk(MYIOC_s_WARN_FMT
1876 "Error processing TaskMgmt request (sc=%p)\n",
1877 hd
->ioc
->name
, SCpnt
);
1879 hd
->tmState
= TM_STATE_NONE
;
1880 spin_lock_irq(host_lock
);
1887 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1889 * mptscsih_host_reset - Perform a SCSI host adapter RESET!
1891 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1893 * (linux scsi_host_template.eh_host_reset_handler routine)
1895 * Returns SUCCESS or FAILED.
1898 mptscsih_host_reset(struct scsi_cmnd
*SCpnt
)
1901 int status
= SUCCESS
;
1902 spinlock_t
*host_lock
= SCpnt
->device
->host
->host_lock
;
1904 /* If we can't locate the host to reset, then we failed. */
1905 if ((hd
= (MPT_SCSI_HOST
*) SCpnt
->device
->host
->hostdata
) == NULL
){
1906 dtmprintk( ( KERN_WARNING MYNAM
": mptscsih_host_reset: "
1907 "Can't locate host! (sc=%p)\n",
1912 printk(KERN_WARNING MYNAM
": %s: >> Attempting host reset! (sc=%p)\n",
1913 hd
->ioc
->name
, SCpnt
);
1915 /* If our attempts to reset the host failed, then return a failed
1916 * status. The host will be taken off line by the SCSI mid-layer.
1918 spin_unlock_irq(host_lock
);
1919 if (mpt_HardResetHandler(hd
->ioc
, CAN_SLEEP
) < 0){
1922 /* Make sure TM pending is cleared and TM state is set to
1926 hd
->tmState
= TM_STATE_NONE
;
1928 spin_lock_irq(host_lock
);
1931 dtmprintk( ( KERN_WARNING MYNAM
": mptscsih_host_reset: "
1933 (status
== SUCCESS
) ? "SUCCESS" : "FAILED" ) );
1938 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1940 * mptscsih_tm_pending_wait - wait for pending task management request to
1942 * @hd: Pointer to MPT host structure.
1944 * Returns {SUCCESS,FAILED}.
1947 mptscsih_tm_pending_wait(MPT_SCSI_HOST
* hd
)
1949 unsigned long flags
;
1950 int loop_count
= 4 * 10; /* Wait 10 seconds */
1951 int status
= FAILED
;
1954 spin_lock_irqsave(&hd
->ioc
->FreeQlock
, flags
);
1955 if (hd
->tmState
== TM_STATE_NONE
) {
1956 hd
->tmState
= TM_STATE_IN_PROGRESS
;
1959 spin_unlock_irqrestore(&hd
->ioc
->FreeQlock
, flags
);
1962 spin_unlock_irqrestore(&hd
->ioc
->FreeQlock
, flags
);
1964 } while (--loop_count
);
1969 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1971 * mptscsih_tm_wait_for_completion - wait for completion of TM task
1972 * @hd: Pointer to MPT host structure.
1974 * Returns {SUCCESS,FAILED}.
1977 mptscsih_tm_wait_for_completion(MPT_SCSI_HOST
* hd
, ulong timeout
)
1979 unsigned long flags
;
1980 int loop_count
= 4 * timeout
;
1981 int status
= FAILED
;
1984 spin_lock_irqsave(&hd
->ioc
->FreeQlock
, flags
);
1985 if(hd
->tmPending
== 0) {
1987 spin_unlock_irqrestore(&hd
->ioc
->FreeQlock
, flags
);
1990 spin_unlock_irqrestore(&hd
->ioc
->FreeQlock
, flags
);
1991 msleep_interruptible(250);
1992 } while (--loop_count
);
1997 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1999 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2000 * @ioc: Pointer to MPT_ADAPTER structure
2001 * @mf: Pointer to SCSI task mgmt request frame
2002 * @mr: Pointer to SCSI task mgmt reply frame
2004 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2005 * of any SCSI task management request.
2006 * This routine is registered with the MPT (base) driver at driver
2007 * load/init time via the mpt_register() API call.
2009 * Returns 1 indicating alloc'd request frame ptr should be freed.
2012 mptscsih_taskmgmt_complete(MPT_ADAPTER
*ioc
, MPT_FRAME_HDR
*mf
, MPT_FRAME_HDR
*mr
)
2014 SCSITaskMgmtReply_t
*pScsiTmReply
;
2015 SCSITaskMgmt_t
*pScsiTmReq
;
2017 unsigned long flags
;
2021 dtmprintk((MYIOC_s_WARN_FMT
"TaskMgmt completed (mf=%p,mr=%p)\n",
2022 ioc
->name
, mf
, mr
));
2024 /* Depending on the thread, a timer is activated for
2025 * the TM request. Delete this timer on completion of TM.
2026 * Decrement count of outstanding TM requests.
2028 hd
= (MPT_SCSI_HOST
*)ioc
->sh
->hostdata
;
2030 dtmprintk((MYIOC_s_WARN_FMT
"TaskMgmt Complete: NULL Scsi Host Ptr\n",
2036 dtmprintk((MYIOC_s_WARN_FMT
"ERROR! TaskMgmt Reply: NULL Request %p\n",
2040 pScsiTmReply
= (SCSITaskMgmtReply_t
*)mr
;
2041 pScsiTmReq
= (SCSITaskMgmt_t
*)mf
;
2043 /* Figure out if this was ABORT_TASK, TARGET_RESET, or BUS_RESET! */
2044 tmType
= pScsiTmReq
->TaskType
;
2046 dtmprintk((MYIOC_s_WARN_FMT
" TaskType = %d, TerminationCount=%d\n",
2047 ioc
->name
, tmType
, le32_to_cpu(pScsiTmReply
->TerminationCount
)));
2048 DBG_DUMP_TM_REPLY_FRAME((u32
*)pScsiTmReply
);
2050 iocstatus
= le16_to_cpu(pScsiTmReply
->IOCStatus
) & MPI_IOCSTATUS_MASK
;
2051 dtmprintk((MYIOC_s_WARN_FMT
" SCSI TaskMgmt (%d) IOCStatus=%04x IOCLogInfo=%08x\n",
2052 ioc
->name
, tmType
, iocstatus
, le32_to_cpu(pScsiTmReply
->IOCLogInfo
)));
2053 /* Error? (anything non-zero?) */
2056 /* clear flags and continue.
2058 if (tmType
== MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK
)
2059 hd
->abortSCpnt
= NULL
;
2061 /* If an internal command is present
2062 * or the TM failed - reload the FW.
2063 * FC FW may respond FAILED to an ABORT
2065 if (tmType
== MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS
) {
2067 (iocstatus
== MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED
)) {
2068 if (mpt_HardResetHandler(ioc
, NO_SLEEP
) < 0) {
2069 printk((KERN_WARNING
2070 " Firmware Reload FAILED!!\n"));
2075 dtmprintk((MYIOC_s_WARN_FMT
" TaskMgmt SUCCESS\n", ioc
->name
));
2077 hd
->abortSCpnt
= NULL
;
2082 spin_lock_irqsave(&ioc
->FreeQlock
, flags
);
2084 spin_unlock_irqrestore(&ioc
->FreeQlock
, flags
);
2085 hd
->tmState
= TM_STATE_NONE
;
2090 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2092 * This is anyones guess quite frankly.
2095 mptscsih_bios_param(struct scsi_device
* sdev
, struct block_device
*bdev
,
2096 sector_t capacity
, int geom
[])
2106 dummy
= heads
* sectors
;
2107 cylinders
= capacity
;
2108 sector_div(cylinders
,dummy
);
2111 * Handle extended translation size for logical drives
2114 if ((ulong
)capacity
>= 0x200000) {
2117 dummy
= heads
* sectors
;
2118 cylinders
= capacity
;
2119 sector_div(cylinders
,dummy
);
2125 geom
[2] = cylinders
;
2127 dprintk((KERN_NOTICE
2128 ": bios_param: Id=%i Lun=%i Channel=%i CHS=%i/%i/%i\n",
2129 sdev
->id
, sdev
->lun
,sdev
->channel
,(int)cylinders
,heads
,sectors
));
2134 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2136 * OS entry point to allow host driver to alloc memory
2137 * for each scsi device. Called once per device the bus scan.
2138 * Return non-zero if allocation fails.
2139 * Init memory once per id (not LUN).
2142 mptscsih_slave_alloc(struct scsi_device
*device
)
2144 struct Scsi_Host
*host
= device
->host
;
2145 MPT_SCSI_HOST
*hd
= (MPT_SCSI_HOST
*)host
->hostdata
;
2147 uint target
= device
->id
;
2152 if ((vdev
= hd
->Targets
[target
]) != NULL
)
2155 vdev
= kmalloc(sizeof(VirtDevice
), GFP_KERNEL
);
2157 printk(MYIOC_s_ERR_FMT
"slave_alloc kmalloc(%zd) FAILED!\n",
2158 hd
->ioc
->name
, sizeof(VirtDevice
));
2162 memset(vdev
, 0, sizeof(VirtDevice
));
2163 vdev
->tflags
= MPT_TARGET_FLAGS_Q_YES
;
2164 vdev
->ioc_id
= hd
->ioc
->id
;
2165 vdev
->target_id
= device
->id
;
2166 vdev
->bus_id
= device
->channel
;
2167 vdev
->raidVolume
= 0;
2168 hd
->Targets
[device
->id
] = vdev
;
2169 if (hd
->ioc
->bus_type
== SCSI
) {
2170 if (hd
->ioc
->spi_data
.isRaid
& (1 << device
->id
)) {
2171 vdev
->raidVolume
= 1;
2172 ddvtprintk((KERN_INFO
2173 "RAID Volume @ id %d\n", device
->id
));
2176 vdev
->tflags
|= MPT_TARGET_FLAGS_VALID_INQUIRY
;
2185 mptscsih_is_raid_volume(MPT_SCSI_HOST
*hd
, uint id
)
2189 if (!hd
->ioc
->spi_data
.isRaid
|| !hd
->ioc
->spi_data
.pIocPg3
)
2192 for (i
= 0; i
< hd
->ioc
->spi_data
.pIocPg3
->NumPhysDisks
; i
++) {
2193 if (id
== hd
->ioc
->spi_data
.pIocPg3
->PhysDisk
[i
].PhysDiskID
)
2201 * OS entry point to allow for host driver to free allocated memory
2202 * Called if no device present or device being unloaded
2205 mptscsih_slave_destroy(struct scsi_device
*device
)
2207 struct Scsi_Host
*host
= device
->host
;
2208 MPT_SCSI_HOST
*hd
= (MPT_SCSI_HOST
*)host
->hostdata
;
2210 uint target
= device
->id
;
2211 uint lun
= device
->lun
;
2216 mptscsih_search_running_cmds(hd
, target
, lun
);
2218 vdev
= hd
->Targets
[target
];
2219 vdev
->luns
[0] &= ~(1 << lun
);
2220 if (--vdev
->num_luns
)
2223 kfree(hd
->Targets
[target
]);
2224 hd
->Targets
[target
] = NULL
;
2226 if (hd
->ioc
->bus_type
== SCSI
) {
2227 if (mptscsih_is_raid_volume(hd
, target
)) {
2228 hd
->ioc
->spi_data
.forceDv
|= MPT_SCSICFG_RELOAD_IOC_PG3
;
2230 hd
->ioc
->spi_data
.dvStatus
[target
] =
2231 MPT_SCSICFG_NEGOTIATE
;
2233 if (!hd
->negoNvram
) {
2234 hd
->ioc
->spi_data
.dvStatus
[target
] |=
2235 MPT_SCSICFG_DV_NOT_DONE
;
2242 mptscsih_set_queue_depth(struct scsi_device
*device
, MPT_SCSI_HOST
*hd
,
2243 VirtDevice
*pTarget
, int qdepth
)
2248 if (hd
->ioc
->bus_type
== SCSI
) {
2249 if (pTarget
->tflags
& MPT_TARGET_FLAGS_VALID_INQUIRY
) {
2250 if (!(pTarget
->tflags
& MPT_TARGET_FLAGS_Q_YES
))
2252 else if (((pTarget
->inq_data
[0] & 0x1f) == 0x00) &&
2253 (pTarget
->minSyncFactor
<= MPT_ULTRA160
))
2254 max_depth
= MPT_SCSI_CMD_PER_DEV_HIGH
;
2256 max_depth
= MPT_SCSI_CMD_PER_DEV_LOW
;
2258 /* error case - No Inq. Data */
2262 max_depth
= MPT_SCSI_CMD_PER_DEV_HIGH
;
2264 if (qdepth
> max_depth
)
2269 tagged
= MSG_SIMPLE_TAG
;
2271 scsi_adjust_queue_depth(device
, tagged
, qdepth
);
2276 * OS entry point to adjust the queue_depths on a per-device basis.
2277 * Called once per device the bus scan. Use it to force the queue_depth
2278 * member to 1 if a device does not support Q tags.
2279 * Return non-zero if fails.
2282 mptscsih_slave_configure(struct scsi_device
*device
)
2284 struct Scsi_Host
*sh
= device
->host
;
2285 VirtDevice
*pTarget
;
2286 MPT_SCSI_HOST
*hd
= (MPT_SCSI_HOST
*)sh
->hostdata
;
2288 if ((hd
== NULL
) || (hd
->Targets
== NULL
)) {
2292 dsprintk((MYIOC_s_INFO_FMT
2293 "device @ %p, id=%d, LUN=%d, channel=%d\n",
2294 hd
->ioc
->name
, device
, device
->id
, device
->lun
, device
->channel
));
2295 dsprintk((MYIOC_s_INFO_FMT
2296 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2297 hd
->ioc
->name
, device
->sdtr
, device
->wdtr
,
2298 device
->ppr
, device
->inquiry_len
));
2300 if (device
->id
> sh
->max_id
) {
2301 /* error case, should never happen */
2302 scsi_adjust_queue_depth(device
, 0, 1);
2303 goto slave_configure_exit
;
2306 pTarget
= hd
->Targets
[device
->id
];
2308 if (pTarget
== NULL
) {
2309 /* Driver doesn't know about this device.
2310 * Kernel may generate a "Dummy Lun 0" which
2311 * may become a real Lun if a
2312 * "scsi add-single-device" command is executed
2313 * while the driver is active (hot-plug a
2314 * device). LSI Raid controllers need
2315 * queue_depth set to DEV_HIGH for this reason.
2317 scsi_adjust_queue_depth(device
, MSG_SIMPLE_TAG
,
2318 MPT_SCSI_CMD_PER_DEV_HIGH
);
2319 goto slave_configure_exit
;
2322 mptscsih_initTarget(hd
, device
->channel
, device
->id
, device
->lun
,
2323 device
->inquiry
, device
->inquiry_len
);
2324 mptscsih_set_queue_depth(device
, hd
, pTarget
, MPT_SCSI_CMD_PER_DEV_HIGH
);
2326 dsprintk((MYIOC_s_INFO_FMT
2327 "Queue depth=%d, tflags=%x\n",
2328 hd
->ioc
->name
, device
->queue_depth
, pTarget
->tflags
));
2330 dsprintk((MYIOC_s_INFO_FMT
2331 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2332 hd
->ioc
->name
, pTarget
->negoFlags
, pTarget
->maxOffset
, pTarget
->minSyncFactor
));
2334 slave_configure_exit
:
2336 dsprintk((MYIOC_s_INFO_FMT
2337 "tagged %d, simple %d, ordered %d\n",
2338 hd
->ioc
->name
,device
->tagged_supported
, device
->simple_tags
,
2339 device
->ordered_tags
));
2345 mptscsih_store_queue_depth(struct device
*dev
, const char *buf
, size_t count
)
2348 struct scsi_device
*sdev
= to_scsi_device(dev
);
2349 MPT_SCSI_HOST
*hd
= (MPT_SCSI_HOST
*) sdev
->host
->hostdata
;
2350 VirtDevice
*pTarget
;
2352 depth
= simple_strtoul(buf
, NULL
, 0);
2355 pTarget
= hd
->Targets
[sdev
->id
];
2356 if (pTarget
== NULL
)
2358 mptscsih_set_queue_depth(sdev
, (MPT_SCSI_HOST
*) sdev
->host
->hostdata
,
2363 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2365 * Private routines...
2368 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2369 /* Utility function to copy sense data from the scsi_cmnd buffer
2370 * to the FC and SCSI target structures.
2374 mptscsih_copy_sense_data(struct scsi_cmnd
*sc
, MPT_SCSI_HOST
*hd
, MPT_FRAME_HDR
*mf
, SCSIIOReply_t
*pScsiReply
)
2377 SCSIIORequest_t
*pReq
;
2378 u32 sense_count
= le32_to_cpu(pScsiReply
->SenseCount
);
2381 /* Get target structure
2383 pReq
= (SCSIIORequest_t
*) mf
;
2384 index
= (int) pReq
->TargetID
;
2385 target
= hd
->Targets
[index
];
2391 /* Copy the sense received into the scsi command block. */
2392 req_index
= le16_to_cpu(mf
->u
.frame
.hwhdr
.msgctxu
.fld
.req_idx
);
2393 sense_data
= ((u8
*)hd
->ioc
->sense_buf_pool
+ (req_index
* MPT_SENSE_BUFFER_ALLOC
));
2394 memcpy(sc
->sense_buffer
, sense_data
, SNS_LEN(sc
));
2396 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2398 if ((hd
->ioc
->events
) && (hd
->ioc
->eventTypes
& (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE
))) {
2399 if ((sense_data
[12] == 0x5D) && (target
->raidVolume
== 0)) {
2401 MPT_ADAPTER
*ioc
= hd
->ioc
;
2403 idx
= ioc
->eventContext
% ioc
->eventLogSize
;
2404 ioc
->events
[idx
].event
= MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE
;
2405 ioc
->events
[idx
].eventContext
= ioc
->eventContext
;
2407 ioc
->events
[idx
].data
[0] = (pReq
->LUN
[1] << 24) ||
2408 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA
<< 16) ||
2409 (pReq
->Bus
<< 8) || pReq
->TargetID
;
2411 ioc
->events
[idx
].data
[1] = (sense_data
[13] << 8) || sense_data
[12];
2413 ioc
->eventContext
++;
2417 dprintk((MYIOC_s_INFO_FMT
"Hmmm... SenseData len=0! (?)\n",
2423 SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd
*sc
)
2428 hd
= (MPT_SCSI_HOST
*) sc
->device
->host
->hostdata
;
2430 for (i
= 0; i
< hd
->ioc
->req_depth
; i
++) {
2431 if (hd
->ScsiLookup
[i
] == sc
) {
2439 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2441 mptscsih_ioc_reset(MPT_ADAPTER
*ioc
, int reset_phase
)
2444 unsigned long flags
;
2446 dtmprintk((KERN_WARNING MYNAM
2447 ": IOC %s_reset routed to SCSI host driver!\n",
2448 reset_phase
==MPT_IOC_SETUP_RESET
? "setup" : (
2449 reset_phase
==MPT_IOC_PRE_RESET
? "pre" : "post")));
2451 /* If a FW reload request arrives after base installed but
2452 * before all scsi hosts have been attached, then an alt_ioc
2453 * may have a NULL sh pointer.
2455 if ((ioc
->sh
== NULL
) || (ioc
->sh
->hostdata
== NULL
))
2458 hd
= (MPT_SCSI_HOST
*) ioc
->sh
->hostdata
;
2460 if (reset_phase
== MPT_IOC_SETUP_RESET
) {
2461 dtmprintk((MYIOC_s_WARN_FMT
"Setup-Diag Reset\n", ioc
->name
));
2464 * 1. Set Hard Reset Pending Flag
2465 * All new commands go to doneQ
2467 hd
->resetPending
= 1;
2469 } else if (reset_phase
== MPT_IOC_PRE_RESET
) {
2470 dtmprintk((MYIOC_s_WARN_FMT
"Pre-Diag Reset\n", ioc
->name
));
2472 /* 2. Flush running commands
2473 * Clean ScsiLookup (and associated memory)
2477 /* 2b. Reply to OS all known outstanding I/O commands.
2479 mptscsih_flush_running_cmds(hd
);
2481 /* 2c. If there was an internal command that
2482 * has not completed, configuration or io request,
2483 * free these resources.
2486 del_timer(&hd
->timer
);
2487 mpt_free_msg_frame(ioc
, hd
->cmdPtr
);
2490 dtmprintk((MYIOC_s_WARN_FMT
"Pre-Reset complete.\n", ioc
->name
));
2493 dtmprintk((MYIOC_s_WARN_FMT
"Post-Diag Reset\n", ioc
->name
));
2495 /* Once a FW reload begins, all new OS commands are
2496 * redirected to the doneQ w/ a reset status.
2497 * Init all control structures.
2500 /* ScsiLookup initialization
2504 for (ii
=0; ii
< hd
->ioc
->req_depth
; ii
++)
2505 hd
->ScsiLookup
[ii
] = NULL
;
2508 /* 2. Chain Buffer initialization
2511 /* 4. Renegotiate to all devices, if SCSI
2513 if (ioc
->bus_type
== SCSI
) {
2514 dnegoprintk(("writeSDP1: ALL_IDS USE_NVRAM\n"));
2515 mptscsih_writeSDP1(hd
, 0, 0, MPT_SCSICFG_ALL_IDS
| MPT_SCSICFG_USE_NVRAM
);
2518 /* 5. Enable new commands to be posted
2520 spin_lock_irqsave(&ioc
->FreeQlock
, flags
);
2522 spin_unlock_irqrestore(&ioc
->FreeQlock
, flags
);
2523 hd
->resetPending
= 0;
2524 hd
->tmState
= TM_STATE_NONE
;
2526 /* 6. If there was an internal command,
2527 * wake this process up.
2531 * Wake up the original calling thread
2533 hd
->pLocal
= &hd
->localReply
;
2534 hd
->pLocal
->completion
= MPT_SCANDV_DID_RESET
;
2535 hd
->scandv_wait_done
= 1;
2536 wake_up(&hd
->scandv_waitq
);
2540 /* 7. Set flag to force DV and re-read IOC Page 3
2542 if (ioc
->bus_type
== SCSI
) {
2543 ioc
->spi_data
.forceDv
= MPT_SCSICFG_NEED_DV
| MPT_SCSICFG_RELOAD_IOC_PG3
;
2544 ddvtprintk(("Set reload IOC Pg3 Flag\n"));
2547 dtmprintk((MYIOC_s_WARN_FMT
"Post-Reset complete.\n", ioc
->name
));
2551 return 1; /* currently means nothing really */
2554 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2556 mptscsih_event_process(MPT_ADAPTER
*ioc
, EventNotificationReply_t
*pEvReply
)
2559 u8 event
= le32_to_cpu(pEvReply
->Event
) & 0xFF;
2561 devtprintk((MYIOC_s_INFO_FMT
"MPT event (=%02Xh) routed to SCSI host driver!\n",
2565 case MPI_EVENT_UNIT_ATTENTION
: /* 03 */
2568 case MPI_EVENT_IOC_BUS_RESET
: /* 04 */
2569 case MPI_EVENT_EXT_BUS_RESET
: /* 05 */
2572 hd
= (MPT_SCSI_HOST
*) ioc
->sh
->hostdata
;
2573 if (hd
&& (ioc
->bus_type
== SCSI
) && (hd
->soft_resets
< -1))
2577 case MPI_EVENT_LOGOUT
: /* 09 */
2582 * CHECKME! Don't think we need to do
2583 * anything for these, but...
2585 case MPI_EVENT_RESCAN
: /* 06 */
2586 case MPI_EVENT_LINK_STATUS_CHANGE
: /* 07 */
2587 case MPI_EVENT_LOOP_STATE_CHANGE
: /* 08 */
2589 * CHECKME! Falling thru...
2593 case MPI_EVENT_INTEGRATED_RAID
: /* 0B */
2594 #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
2595 /* negoNvram set to 0 if DV enabled and to USE_NVRAM if
2596 * if DV disabled. Need to check for target mode.
2600 hd
= (MPT_SCSI_HOST
*) ioc
->sh
->hostdata
;
2602 if (hd
&& (ioc
->bus_type
== SCSI
) && (hd
->negoNvram
== 0)) {
2604 Ioc3PhysDisk_t
*pPDisk
;
2609 reason
= (le32_to_cpu(pEvReply
->Data
[0]) & 0x00FF0000) >> 16;
2610 if (reason
== MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED
) {
2611 /* New or replaced disk.
2612 * Set DV flag and schedule DV.
2614 pSpi
= &ioc
->spi_data
;
2615 physDiskNum
= (le32_to_cpu(pEvReply
->Data
[0]) & 0xFF000000) >> 24;
2616 ddvtprintk(("DV requested for phys disk id %d\n", physDiskNum
));
2617 if (pSpi
->pIocPg3
) {
2618 pPDisk
= pSpi
->pIocPg3
->PhysDisk
;
2619 numPDisk
=pSpi
->pIocPg3
->NumPhysDisks
;
2622 if (physDiskNum
== pPDisk
->PhysDiskNum
) {
2623 pSpi
->dvStatus
[pPDisk
->PhysDiskID
] = (MPT_SCSICFG_NEED_DV
| MPT_SCSICFG_DV_NOT_DONE
);
2624 pSpi
->forceDv
= MPT_SCSICFG_NEED_DV
;
2625 ddvtprintk(("NEED_DV set for phys disk id %d\n", pPDisk
->PhysDiskID
));
2632 if (numPDisk
== 0) {
2633 /* The physical disk that needs DV was not found
2634 * in the stored IOC Page 3. The driver must reload
2635 * this page. DV routine will set the NEED_DV flag for
2636 * all phys disks that have DV_NOT_DONE set.
2638 pSpi
->forceDv
= MPT_SCSICFG_NEED_DV
| MPT_SCSICFG_RELOAD_IOC_PG3
;
2639 ddvtprintk(("phys disk %d not found. Setting reload IOC Pg3 Flag\n", physDiskNum
));
2646 #if defined(MPT_DEBUG_DV) || defined(MPT_DEBUG_DV_TINY)
2647 printk("Raid Event RF: ");
2649 u32
*m
= (u32
*)pEvReply
;
2651 int n
= (int)pEvReply
->MsgLength
;
2652 for (ii
=6; ii
< n
; ii
++)
2653 printk(" %08x", le32_to_cpu(m
[ii
]));
2659 case MPI_EVENT_NONE
: /* 00 */
2660 case MPI_EVENT_LOG_DATA
: /* 01 */
2661 case MPI_EVENT_STATE_CHANGE
: /* 02 */
2662 case MPI_EVENT_EVENT_CHANGE
: /* 0A */
2664 dprintk((KERN_INFO
" Ignoring event (=%02Xh)\n", event
));
2668 return 1; /* currently means nothing really */
2671 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2673 * mptscsih_initTarget - Target, LUN alloc/free functionality.
2674 * @hd: Pointer to MPT_SCSI_HOST structure
2675 * @bus_id: Bus number (?)
2676 * @target_id: SCSI target id
2678 * @data: Pointer to data
2679 * @dlen: Number of INQUIRY bytes
2681 * NOTE: It's only SAFE to call this routine if data points to
2682 * sane & valid STANDARD INQUIRY data!
2684 * Allocate and initialize memory for this target.
2685 * Save inquiry data.
2689 mptscsih_initTarget(MPT_SCSI_HOST
*hd
, int bus_id
, int target_id
, u8 lun
, char *data
, int dlen
)
2691 int indexed_lun
, lun_index
;
2696 dinitprintk((MYIOC_s_INFO_FMT
"initTarget bus=%d id=%d lun=%d hd=%p\n",
2697 hd
->ioc
->name
, bus_id
, target_id
, lun
, hd
));
2700 * If the peripheral qualifier filter is enabled then if the target reports a 0x1
2701 * (i.e. The targer is capable of supporting the specified peripheral device type
2702 * on this logical unit; however, the physical device is not currently connected
2703 * to this logical unit) it will be converted to a 0x3 (i.e. The target is not
2704 * capable of supporting a physical device on this logical unit). This is to work
2705 * around a bug in th emid-layer in some distributions in which the mid-layer will
2706 * continue to try to communicate to the LUN and evntually create a dummy LUN.
2708 if (hd
->mpt_pq_filter
&& dlen
&& (data
[0] & 0xE0))
2711 /* Is LUN supported? If so, upper 2 bits will be 0
2712 * in first byte of inquiry data.
2717 if ((vdev
= hd
->Targets
[target_id
]) == NULL
) {
2721 lun_index
= (lun
>> 5); /* 32 luns per lun_index */
2722 indexed_lun
= (lun
% 32);
2723 vdev
->luns
[lun_index
] |= (1 << indexed_lun
);
2725 if (hd
->ioc
->bus_type
== SCSI
) {
2726 if ((data
[0] == TYPE_PROCESSOR
) && (hd
->ioc
->spi_data
.Saf_Te
)) {
2727 /* Treat all Processors as SAF-TE if
2728 * command line option is set */
2729 vdev
->tflags
|= MPT_TARGET_FLAGS_SAF_TE_ISSUED
;
2730 mptscsih_writeIOCPage4(hd
, target_id
, bus_id
);
2731 }else if ((data
[0] == TYPE_PROCESSOR
) &&
2732 !(vdev
->tflags
& MPT_TARGET_FLAGS_SAF_TE_ISSUED
)) {
2734 vdev
->tflags
|= MPT_TARGET_FLAGS_VALID_INQUIRY
;
2735 if ( data
[44] == 'S' &&
2741 vdev
->tflags
|= MPT_TARGET_FLAGS_SAF_TE_ISSUED
;
2742 mptscsih_writeIOCPage4(hd
, target_id
, bus_id
);
2746 if (!(vdev
->tflags
& MPT_TARGET_FLAGS_VALID_INQUIRY
)) {
2748 memcpy (vdev
->inq_data
, data
, 8);
2750 memcpy (vdev
->inq_data
, data
, dlen
);
2753 /* If have not done DV, set the DV flag.
2755 pSpi
= &hd
->ioc
->spi_data
;
2756 if ((data
[0] == TYPE_TAPE
) || (data
[0] == TYPE_PROCESSOR
)) {
2757 if (pSpi
->dvStatus
[target_id
] & MPT_SCSICFG_DV_NOT_DONE
)
2758 pSpi
->dvStatus
[target_id
] |= MPT_SCSICFG_NEED_DV
;
2761 vdev
->tflags
|= MPT_TARGET_FLAGS_VALID_INQUIRY
;
2764 data_56
= 0x0F; /* Default to full capabilities if Inq data length is < 57 */
2766 if ( (!(vdev
->tflags
& MPT_TARGET_FLAGS_VALID_56
))) {
2767 /* Update the target capabilities
2770 vdev
->tflags
|= MPT_TARGET_FLAGS_VALID_56
;
2773 mptscsih_setTargetNegoParms(hd
, vdev
, data_56
);
2775 /* Initial Inquiry may not request enough data bytes to
2776 * obtain byte 57. DV will; if target doesn't return
2777 * at least 57 bytes, data[56] will be zero. */
2779 if ( (!(vdev
->tflags
& MPT_TARGET_FLAGS_VALID_56
))) {
2780 /* Update the target capabilities
2783 vdev
->tflags
|= MPT_TARGET_FLAGS_VALID_56
;
2784 mptscsih_setTargetNegoParms(hd
, vdev
, data_56
);
2791 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2793 * Update the target negotiation parameters based on the
2794 * the Inquiry data, adapter capabilities, and NVRAM settings.
2798 mptscsih_setTargetNegoParms(MPT_SCSI_HOST
*hd
, VirtDevice
*target
, char byte56
)
2800 ScsiCfgData
*pspi_data
= &hd
->ioc
->spi_data
;
2801 int id
= (int) target
->target_id
;
2805 u8 width
= MPT_NARROW
;
2806 u8 factor
= MPT_ASYNC
;
2808 u8 version
, nfactor
;
2811 target
->negoFlags
= pspi_data
->noQas
;
2813 /* noQas == 0 => device supports QAS. Need byte 56 of Inq to determine
2814 * support. If available, default QAS to off and allow enabling.
2815 * If not available, default QAS to on, turn off for non-disks.
2818 /* Set flags based on Inquiry data
2820 version
= target
->inq_data
[2] & 0x07;
2823 factor
= MPT_ULTRA2
;
2824 offset
= pspi_data
->maxSyncOffset
;
2825 target
->tflags
&= ~MPT_TARGET_FLAGS_Q_YES
;
2827 if (target
->inq_data
[7] & 0x20) {
2831 if (target
->inq_data
[7] & 0x10) {
2832 factor
= pspi_data
->minSyncFactor
;
2833 if (target
->tflags
& MPT_TARGET_FLAGS_VALID_56
) {
2834 /* bits 2 & 3 show Clocking support */
2835 if ((byte56
& 0x0C) == 0)
2836 factor
= MPT_ULTRA2
;
2838 if ((byte56
& 0x03) == 0)
2839 factor
= MPT_ULTRA160
;
2841 factor
= MPT_ULTRA320
;
2844 ddvtprintk((KERN_INFO
"Enabling QAS due to byte56=%02x on id=%d!\n", byte56
, id
));
2847 if (target
->inq_data
[0] == TYPE_TAPE
) {
2849 target
->negoFlags
|= MPT_TAPE_NEGO_IDP
;
2854 ddvtprintk((KERN_INFO
"Enabling QAS on id=%d due to ~TARGET_FLAGS_VALID_56!\n", id
));
2858 offset
= pspi_data
->maxSyncOffset
;
2860 /* If RAID, never disable QAS
2861 * else if non RAID, do not disable
2862 * QAS if bit 1 is set
2863 * bit 1 QAS support, non-raid only
2866 if (target
->raidVolume
== 1) {
2875 if ( (target
->inq_data
[7] & 0x02) == 0) {
2876 target
->tflags
&= ~MPT_TARGET_FLAGS_Q_YES
;
2879 /* Update tflags based on NVRAM settings. (SCSI only)
2881 if (pspi_data
->nvram
&& (pspi_data
->nvram
[id
] != MPT_HOST_NVRAM_INVALID
)) {
2882 nvram
= pspi_data
->nvram
[id
];
2883 nfactor
= (nvram
& MPT_NVRAM_SYNC_MASK
) >> 8;
2886 width
= nvram
& MPT_NVRAM_WIDE_DISABLE
? 0 : 1;
2889 /* Ensure factor is set to the
2890 * maximum of: adapter, nvram, inquiry
2893 if (nfactor
< pspi_data
->minSyncFactor
)
2894 nfactor
= pspi_data
->minSyncFactor
;
2896 factor
= max(factor
, nfactor
);
2897 if (factor
== MPT_ASYNC
)
2908 /* Make sure data is consistent
2910 if ((!width
) && (factor
< MPT_ULTRA2
)) {
2911 factor
= MPT_ULTRA2
;
2914 /* Save the data to the target structure.
2916 target
->minSyncFactor
= factor
;
2917 target
->maxOffset
= offset
;
2918 target
->maxWidth
= width
;
2920 target
->tflags
|= MPT_TARGET_FLAGS_VALID_NEGO
;
2922 /* Disable unused features.
2925 target
->negoFlags
|= MPT_TARGET_NO_NEGO_WIDE
;
2928 target
->negoFlags
|= MPT_TARGET_NO_NEGO_SYNC
;
2930 if ( factor
> MPT_ULTRA320
)
2933 /* GEM, processor WORKAROUND
2935 if ((target
->inq_data
[0] == TYPE_PROCESSOR
) || (target
->inq_data
[0] > 0x08)) {
2936 target
->negoFlags
|= (MPT_TARGET_NO_NEGO_WIDE
| MPT_TARGET_NO_NEGO_SYNC
);
2937 pspi_data
->dvStatus
[id
] |= MPT_SCSICFG_BLK_NEGO
;
2939 if (noQas
&& (pspi_data
->noQas
== 0)) {
2940 pspi_data
->noQas
|= MPT_TARGET_NO_NEGO_QAS
;
2941 target
->negoFlags
|= MPT_TARGET_NO_NEGO_QAS
;
2943 /* Disable QAS in a mixed configuration case
2946 ddvtprintk((KERN_INFO
"Disabling QAS due to noQas=%02x on id=%d!\n", noQas
, id
));
2947 for (ii
= 0; ii
< id
; ii
++) {
2948 if ( (vdev
= hd
->Targets
[ii
]) ) {
2949 vdev
->negoFlags
|= MPT_TARGET_NO_NEGO_QAS
;
2950 mptscsih_writeSDP1(hd
, 0, ii
, vdev
->negoFlags
);
2956 /* Write SDP1 on this I/O to this target */
2957 if (pspi_data
->dvStatus
[id
] & MPT_SCSICFG_NEGOTIATE
) {
2958 ddvtprintk((KERN_INFO
"MPT_SCSICFG_NEGOTIATE on id=%d!\n", id
));
2959 mptscsih_writeSDP1(hd
, 0, id
, hd
->negoNvram
);
2960 pspi_data
->dvStatus
[id
] &= ~MPT_SCSICFG_NEGOTIATE
;
2961 } else if (pspi_data
->dvStatus
[id
] & MPT_SCSICFG_BLK_NEGO
) {
2962 ddvtprintk((KERN_INFO
"MPT_SCSICFG_BLK_NEGO on id=%d!\n", id
));
2963 mptscsih_writeSDP1(hd
, 0, id
, MPT_SCSICFG_BLK_NEGO
);
2964 pspi_data
->dvStatus
[id
] &= ~MPT_SCSICFG_BLK_NEGO
;
2968 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2969 /* If DV disabled (negoNvram set to USE_NVARM) or if not LUN 0, return.
2970 * Else set the NEED_DV flag after Read Capacity Issued (disks)
2971 * or Mode Sense (cdroms).
2973 * Tapes, initTarget will set this flag on completion of Inquiry command.
2974 * Called only if DV_NOT_DONE flag is set
2977 mptscsih_set_dvflags(MPT_SCSI_HOST
*hd
, SCSIIORequest_t
*pReq
)
2982 ddvtprintk((" set_dvflags: id=%d lun=%d negoNvram=%x cmd=%x\n",
2983 pReq
->TargetID
, pReq
->LUN
[1], hd
->negoNvram
, pReq
->CDB
[0]));
2985 if ((pReq
->LUN
[1] != 0) || (hd
->negoNvram
!= 0))
2990 if ((cmd
== READ_CAPACITY
) || (cmd
== MODE_SENSE
)) {
2991 pSpi
= &hd
->ioc
->spi_data
;
2992 if ((pSpi
->isRaid
& (1 << pReq
->TargetID
)) && pSpi
->pIocPg3
) {
2993 /* Set NEED_DV for all hidden disks
2995 Ioc3PhysDisk_t
*pPDisk
= pSpi
->pIocPg3
->PhysDisk
;
2996 int numPDisk
= pSpi
->pIocPg3
->NumPhysDisks
;
2999 pSpi
->dvStatus
[pPDisk
->PhysDiskID
] |= MPT_SCSICFG_NEED_DV
;
3000 ddvtprintk(("NEED_DV set for phys disk id %d\n", pPDisk
->PhysDiskID
));
3005 pSpi
->dvStatus
[pReq
->TargetID
] |= MPT_SCSICFG_NEED_DV
;
3006 ddvtprintk(("NEED_DV set for visible disk id %d\n", pReq
->TargetID
));
3010 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3012 * If no Target, bus reset on 1st I/O. Set the flag to
3013 * prevent any future negotiations to this device.
3016 mptscsih_no_negotiate(MPT_SCSI_HOST
*hd
, int target_id
)
3019 if ((hd
->Targets
) && (hd
->Targets
[target_id
] == NULL
))
3020 hd
->ioc
->spi_data
.dvStatus
[target_id
] |= MPT_SCSICFG_BLK_NEGO
;
3025 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3027 * SCSI Config Page functionality ...
3029 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3030 /* mptscsih_setDevicePage1Flags - add Requested and Configuration fields flags
3031 * based on width, factor and offset parameters.
3033 * @factor: sync factor
3034 * @offset: sync offset
3035 * @requestedPtr: pointer to requested values (updated)
3036 * @configurationPtr: pointer to configuration values (updated)
3037 * @flags: flags to block WDTR or SDTR negotiation
3041 * Remark: Called by writeSDP1 and _dv_params
3044 mptscsih_setDevicePage1Flags (u8 width
, u8 factor
, u8 offset
, int *requestedPtr
, int *configurationPtr
, u8 flags
)
3046 u8 nowide
= flags
& MPT_TARGET_NO_NEGO_WIDE
;
3047 u8 nosync
= flags
& MPT_TARGET_NO_NEGO_SYNC
;
3049 *configurationPtr
= 0;
3050 *requestedPtr
= width
? MPI_SCSIDEVPAGE1_RP_WIDE
: 0;
3051 *requestedPtr
|= (offset
<< 16) | (factor
<< 8);
3053 if (width
&& offset
&& !nowide
&& !nosync
) {
3054 if (factor
< MPT_ULTRA160
) {
3055 *requestedPtr
|= (MPI_SCSIDEVPAGE1_RP_IU
+ MPI_SCSIDEVPAGE1_RP_DT
);
3056 if ((flags
& MPT_TARGET_NO_NEGO_QAS
) == 0)
3057 *requestedPtr
|= MPI_SCSIDEVPAGE1_RP_QAS
;
3058 if (flags
& MPT_TAPE_NEGO_IDP
)
3059 *requestedPtr
|= 0x08000000;
3060 } else if (factor
< MPT_ULTRA2
) {
3061 *requestedPtr
|= MPI_SCSIDEVPAGE1_RP_DT
;
3066 *configurationPtr
|= MPI_SCSIDEVPAGE1_CONF_WDTR_DISALLOWED
;
3069 *configurationPtr
|= MPI_SCSIDEVPAGE1_CONF_SDTR_DISALLOWED
;
3074 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3075 /* mptscsih_writeSDP1 - write SCSI Device Page 1
3076 * @hd: Pointer to a SCSI Host Strucutre
3077 * @portnum: IOC port number
3078 * @target_id: writeSDP1 for single ID
3079 * @flags: MPT_SCSICFG_ALL_IDS, MPT_SCSICFG_USE_NVRAM, MPT_SCSICFG_BLK_NEGO
3081 * Return: -EFAULT if read of config page header fails
3084 * Remark: If a target has been found, the settings from the
3085 * target structure are used, else the device is set
3088 * Remark: Called during init and after a FW reload.
3089 * Remark: We do not wait for a return, write pages sequentially.
3092 mptscsih_writeSDP1(MPT_SCSI_HOST
*hd
, int portnum
, int target_id
, int flags
)
3094 MPT_ADAPTER
*ioc
= hd
->ioc
;
3096 SCSIDevicePage1_t
*pData
;
3097 VirtDevice
*pTarget
;
3102 u32 requested
, configuration
, flagsLength
;
3104 int id
= 0, maxid
= 0;
3110 u8 maxwidth
, maxoffset
, maxfactor
;
3112 if (ioc
->spi_data
.sdp1length
== 0)
3115 if (flags
& MPT_SCSICFG_ALL_IDS
) {
3117 maxid
= ioc
->sh
->max_id
- 1;
3118 } else if (ioc
->sh
) {
3120 maxid
= min_t(int, id
, ioc
->sh
->max_id
- 1);
3123 for (; id
<= maxid
; id
++) {
3125 if (id
== ioc
->pfacts
[portnum
].PortSCSIID
)
3128 /* Use NVRAM to get adapter and target maximums
3129 * Data over-riden by target structure information, if present
3131 maxwidth
= ioc
->spi_data
.maxBusWidth
;
3132 maxoffset
= ioc
->spi_data
.maxSyncOffset
;
3133 maxfactor
= ioc
->spi_data
.minSyncFactor
;
3134 if (ioc
->spi_data
.nvram
&& (ioc
->spi_data
.nvram
[id
] != MPT_HOST_NVRAM_INVALID
)) {
3135 nvram
= ioc
->spi_data
.nvram
[id
];
3138 maxwidth
= nvram
& MPT_NVRAM_WIDE_DISABLE
? 0 : 1;
3140 if (maxoffset
> 0) {
3141 maxfactor
= (nvram
& MPT_NVRAM_SYNC_MASK
) >> 8;
3142 if (maxfactor
== 0) {
3144 maxfactor
= MPT_ASYNC
;
3146 } else if (maxfactor
< ioc
->spi_data
.minSyncFactor
) {
3147 maxfactor
= ioc
->spi_data
.minSyncFactor
;
3150 maxfactor
= MPT_ASYNC
;
3153 /* Set the negotiation flags.
3155 negoFlags
= ioc
->spi_data
.noQas
;
3157 negoFlags
|= MPT_TARGET_NO_NEGO_WIDE
;
3160 negoFlags
|= MPT_TARGET_NO_NEGO_SYNC
;
3162 if (flags
& MPT_SCSICFG_USE_NVRAM
) {
3171 //negoFlags = MPT_TARGET_NO_NEGO_SYNC;
3174 /* If id is not a raid volume, get the updated
3175 * transmission settings from the target structure.
3177 if (hd
->Targets
&& (pTarget
= hd
->Targets
[id
]) && !pTarget
->raidVolume
) {
3178 width
= pTarget
->maxWidth
;
3179 factor
= pTarget
->minSyncFactor
;
3180 offset
= pTarget
->maxOffset
;
3181 negoFlags
= pTarget
->negoFlags
;
3184 #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
3185 /* Force to async and narrow if DV has not been executed
3188 if ((hd
->ioc
->spi_data
.dvStatus
[id
] & MPT_SCSICFG_DV_NOT_DONE
) != 0) {
3195 if (flags
& MPT_SCSICFG_BLK_NEGO
)
3196 negoFlags
= MPT_TARGET_NO_NEGO_WIDE
| MPT_TARGET_NO_NEGO_SYNC
;
3198 mptscsih_setDevicePage1Flags(width
, factor
, offset
,
3199 &requested
, &configuration
, negoFlags
);
3200 dnegoprintk(("writeSDP1: id=%d width=%d factor=%x offset=%x negoFlags=%x request=%x config=%x\n",
3201 target_id
, width
, factor
, offset
, negoFlags
, requested
, configuration
));
3203 /* Get a MF for this command.
3205 if ((mf
= mpt_get_msg_frame(ioc
->DoneCtx
, ioc
)) == NULL
) {
3206 dprintk((MYIOC_s_WARN_FMT
"write SDP1: no msg frames!\n",
3211 ddvprintk((MYIOC_s_INFO_FMT
"WriteSDP1 (mf=%p, id=%d, req=0x%x, cfg=0x%x)\n",
3212 hd
->ioc
->name
, mf
, id
, requested
, configuration
));
3215 /* Set the request and the data pointers.
3216 * Request takes: 36 bytes (32 bit SGE)
3217 * SCSI Device Page 1 requires 16 bytes
3218 * 40 + 16 <= size of SCSI IO Request = 56 bytes
3219 * and MF size >= 64 bytes.
3220 * Place data at end of MF.
3222 pReq
= (Config_t
*)mf
;
3224 req_idx
= le16_to_cpu(mf
->u
.frame
.hwhdr
.msgctxu
.fld
.req_idx
);
3225 frameOffset
= ioc
->req_sz
- sizeof(SCSIDevicePage1_t
);
3227 pData
= (SCSIDevicePage1_t
*)((u8
*) mf
+ frameOffset
);
3228 dataDma
= ioc
->req_frames_dma
+ (req_idx
* ioc
->req_sz
) + frameOffset
;
3230 /* Complete the request frame (same for all requests).
3232 pReq
->Action
= MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT
;
3234 pReq
->ChainOffset
= 0;
3235 pReq
->Function
= MPI_FUNCTION_CONFIG
;
3236 pReq
->ExtPageLength
= 0;
3237 pReq
->ExtPageType
= 0;
3239 for (ii
=0; ii
< 8; ii
++) {
3240 pReq
->Reserved2
[ii
] = 0;
3242 pReq
->Header
.PageVersion
= ioc
->spi_data
.sdp1version
;
3243 pReq
->Header
.PageLength
= ioc
->spi_data
.sdp1length
;
3244 pReq
->Header
.PageNumber
= 1;
3245 pReq
->Header
.PageType
= MPI_CONFIG_PAGETYPE_SCSI_DEVICE
;
3246 pReq
->PageAddress
= cpu_to_le32(id
| (bus
<< 8 ));
3248 /* Add a SGE to the config request.
3250 flagsLength
= MPT_SGE_FLAGS_SSIMPLE_WRITE
| ioc
->spi_data
.sdp1length
* 4;
3252 mpt_add_sge((char *)&pReq
->PageBufferSGE
, flagsLength
, dataDma
);
3254 /* Set up the common data portion
3256 pData
->Header
.PageVersion
= pReq
->Header
.PageVersion
;
3257 pData
->Header
.PageLength
= pReq
->Header
.PageLength
;
3258 pData
->Header
.PageNumber
= pReq
->Header
.PageNumber
;
3259 pData
->Header
.PageType
= pReq
->Header
.PageType
;
3260 pData
->RequestedParameters
= cpu_to_le32(requested
);
3261 pData
->Reserved
= 0;
3262 pData
->Configuration
= cpu_to_le32(configuration
);
3264 dprintk((MYIOC_s_INFO_FMT
3265 "write SDP1: id %d pgaddr 0x%x req 0x%x config 0x%x\n",
3266 ioc
->name
, id
, (id
| (bus
<<8)),
3267 requested
, configuration
));
3269 mpt_put_msg_frame(ioc
->DoneCtx
, ioc
, mf
);
3275 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3276 /* mptscsih_writeIOCPage4 - write IOC Page 4
3277 * @hd: Pointer to a SCSI Host Structure
3278 * @target_id: write IOC Page4 for this ID & Bus
3280 * Return: -EAGAIN if unable to obtain a Message Frame
3283 * Remark: We do not wait for a return, write pages sequentially.
3286 mptscsih_writeIOCPage4(MPT_SCSI_HOST
*hd
, int target_id
, int bus
)
3288 MPT_ADAPTER
*ioc
= hd
->ioc
;
3290 IOCPage4_t
*IOCPage4Ptr
;
3298 /* Get a MF for this command.
3300 if ((mf
= mpt_get_msg_frame(ioc
->DoneCtx
, ioc
)) == NULL
) {
3301 dprintk((MYIOC_s_WARN_FMT
"writeIOCPage4 : no msg frames!\n",
3306 /* Set the request and the data pointers.
3307 * Place data at end of MF.
3309 pReq
= (Config_t
*)mf
;
3311 req_idx
= le16_to_cpu(mf
->u
.frame
.hwhdr
.msgctxu
.fld
.req_idx
);
3312 frameOffset
= ioc
->req_sz
- sizeof(IOCPage4_t
);
3314 /* Complete the request frame (same for all requests).
3316 pReq
->Action
= MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT
;
3318 pReq
->ChainOffset
= 0;
3319 pReq
->Function
= MPI_FUNCTION_CONFIG
;
3320 pReq
->ExtPageLength
= 0;
3321 pReq
->ExtPageType
= 0;
3323 for (ii
=0; ii
< 8; ii
++) {
3324 pReq
->Reserved2
[ii
] = 0;
3327 IOCPage4Ptr
= ioc
->spi_data
.pIocPg4
;
3328 dataDma
= ioc
->spi_data
.IocPg4_dma
;
3329 ii
= IOCPage4Ptr
->ActiveSEP
++;
3330 IOCPage4Ptr
->SEP
[ii
].SEPTargetID
= target_id
;
3331 IOCPage4Ptr
->SEP
[ii
].SEPBus
= bus
;
3332 pReq
->Header
= IOCPage4Ptr
->Header
;
3333 pReq
->PageAddress
= cpu_to_le32(target_id
| (bus
<< 8 ));
3335 /* Add a SGE to the config request.
3337 flagsLength
= MPT_SGE_FLAGS_SSIMPLE_WRITE
|
3338 (IOCPage4Ptr
->Header
.PageLength
+ ii
) * 4;
3340 mpt_add_sge((char *)&pReq
->PageBufferSGE
, flagsLength
, dataDma
);
3342 dinitprintk((MYIOC_s_INFO_FMT
3343 "writeIOCPage4: MaxSEP=%d ActiveSEP=%d id=%d bus=%d\n",
3344 ioc
->name
, IOCPage4Ptr
->MaxSEP
, IOCPage4Ptr
->ActiveSEP
, target_id
, bus
));
3346 mpt_put_msg_frame(ioc
->DoneCtx
, ioc
, mf
);
3351 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3353 * Bus Scan and Domain Validation functionality ...
3356 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3358 * mptscsih_scandv_complete - Scan and DV callback routine registered
3359 * to Fustion MPT (base) driver.
3361 * @ioc: Pointer to MPT_ADAPTER structure
3362 * @mf: Pointer to original MPT request frame
3363 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
3365 * This routine is called from mpt.c::mpt_interrupt() at the completion
3366 * of any SCSI IO request.
3367 * This routine is registered with the Fusion MPT (base) driver at driver
3368 * load/init time via the mpt_register() API call.
3370 * Returns 1 indicating alloc'd request frame ptr should be freed.
3372 * Remark: Sets a completion code and (possibly) saves sense data
3373 * in the IOC member localReply structure.
3374 * Used ONLY for DV and other internal commands.
3377 mptscsih_scandv_complete(MPT_ADAPTER
*ioc
, MPT_FRAME_HDR
*mf
, MPT_FRAME_HDR
*mr
)
3380 SCSIIORequest_t
*pReq
;
3384 hd
= (MPT_SCSI_HOST
*) ioc
->sh
->hostdata
;
3387 (mf
>= MPT_INDEX_2_MFPTR(ioc
, ioc
->req_depth
))) {
3388 printk(MYIOC_s_ERR_FMT
3389 "ScanDvComplete, %s req frame ptr! (=%p)\n",
3390 ioc
->name
, mf
?"BAD":"NULL", (void *) mf
);
3394 del_timer(&hd
->timer
);
3395 req_idx
= le16_to_cpu(mf
->u
.frame
.hwhdr
.msgctxu
.fld
.req_idx
);
3396 hd
->ScsiLookup
[req_idx
] = NULL
;
3397 pReq
= (SCSIIORequest_t
*) mf
;
3399 if (mf
!= hd
->cmdPtr
) {
3400 printk(MYIOC_s_WARN_FMT
"ScanDvComplete (mf=%p, cmdPtr=%p, idx=%d)\n",
3401 hd
->ioc
->name
, (void *)mf
, (void *) hd
->cmdPtr
, req_idx
);
3405 ddvprintk((MYIOC_s_INFO_FMT
"ScanDvComplete (mf=%p,mr=%p,idx=%d)\n",
3406 hd
->ioc
->name
, mf
, mr
, req_idx
));
3408 hd
->pLocal
= &hd
->localReply
;
3409 hd
->pLocal
->scsiStatus
= 0;
3411 /* If target struct exists, clear sense valid flag.
3414 completionCode
= MPT_SCANDV_GOOD
;
3416 SCSIIOReply_t
*pReply
;
3420 pReply
= (SCSIIOReply_t
*) mr
;
3422 status
= le16_to_cpu(pReply
->IOCStatus
) & MPI_IOCSTATUS_MASK
;
3423 scsi_status
= pReply
->SCSIStatus
;
3425 ddvtprintk((KERN_NOTICE
" IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh, IOCLogInfo=%08xh\n",
3426 status
, pReply
->SCSIState
, scsi_status
,
3427 le32_to_cpu(pReply
->IOCLogInfo
)));
3431 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE
: /* 0x0043 */
3432 completionCode
= MPT_SCANDV_SELECTION_TIMEOUT
;
3435 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR
: /* 0x0046 */
3436 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED
: /* 0x0048 */
3437 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED
: /* 0x004B */
3438 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED
: /* 0x004C */
3439 completionCode
= MPT_SCANDV_DID_RESET
;
3442 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN
: /* 0x0045 */
3443 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR
: /* 0x0040 */
3444 case MPI_IOCSTATUS_SUCCESS
: /* 0x0000 */
3445 if (pReply
->Function
== MPI_FUNCTION_CONFIG
) {
3446 ConfigReply_t
*pr
= (ConfigReply_t
*)mr
;
3447 completionCode
= MPT_SCANDV_GOOD
;
3448 hd
->pLocal
->header
.PageVersion
= pr
->Header
.PageVersion
;
3449 hd
->pLocal
->header
.PageLength
= pr
->Header
.PageLength
;
3450 hd
->pLocal
->header
.PageNumber
= pr
->Header
.PageNumber
;
3451 hd
->pLocal
->header
.PageType
= pr
->Header
.PageType
;
3453 } else if (pReply
->Function
== MPI_FUNCTION_RAID_ACTION
) {
3454 /* If the RAID Volume request is successful,
3455 * return GOOD, else indicate that
3456 * some type of error occurred.
3458 MpiRaidActionReply_t
*pr
= (MpiRaidActionReply_t
*)mr
;
3459 if (pr
->ActionStatus
== MPI_RAID_ACTION_ASTATUS_SUCCESS
)
3460 completionCode
= MPT_SCANDV_GOOD
;
3462 completionCode
= MPT_SCANDV_SOME_ERROR
;
3464 } else if (pReply
->SCSIState
& MPI_SCSI_STATE_AUTOSENSE_VALID
) {
3468 /* save sense data in global structure
3470 completionCode
= MPT_SCANDV_SENSE
;
3471 hd
->pLocal
->scsiStatus
= scsi_status
;
3472 sense_data
= ((u8
*)hd
->ioc
->sense_buf_pool
+
3473 (req_idx
* MPT_SENSE_BUFFER_ALLOC
));
3475 sz
= min_t(int, pReq
->SenseBufferLength
,
3476 SCSI_STD_SENSE_BYTES
);
3477 memcpy(hd
->pLocal
->sense
, sense_data
, sz
);
3479 ddvprintk((KERN_NOTICE
" Check Condition, sense ptr %p\n",
3481 } else if (pReply
->SCSIState
& MPI_SCSI_STATE_AUTOSENSE_FAILED
) {
3482 if (pReq
->CDB
[0] == INQUIRY
)
3483 completionCode
= MPT_SCANDV_ISSUE_SENSE
;
3485 completionCode
= MPT_SCANDV_DID_RESET
;
3487 else if (pReply
->SCSIState
& MPI_SCSI_STATE_NO_SCSI_STATUS
)
3488 completionCode
= MPT_SCANDV_DID_RESET
;
3489 else if (pReply
->SCSIState
& MPI_SCSI_STATE_TERMINATED
)
3490 completionCode
= MPT_SCANDV_DID_RESET
;
3492 completionCode
= MPT_SCANDV_GOOD
;
3493 hd
->pLocal
->scsiStatus
= scsi_status
;
3497 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR
: /* 0x0047 */
3498 if (pReply
->SCSIState
& MPI_SCSI_STATE_TERMINATED
)
3499 completionCode
= MPT_SCANDV_DID_RESET
;
3501 completionCode
= MPT_SCANDV_SOME_ERROR
;
3505 completionCode
= MPT_SCANDV_SOME_ERROR
;
3508 } /* switch(status) */
3510 ddvtprintk((KERN_NOTICE
" completionCode set to %08xh\n",
3512 } /* end of address reply case */
3514 hd
->pLocal
->completion
= completionCode
;
3516 /* MF and RF are freed in mpt_interrupt
3519 /* Free Chain buffers (will never chain) in scan or dv */
3520 //mptscsih_freeChainBuffers(ioc, req_idx);
3523 * Wake up the original calling thread
3525 hd
->scandv_wait_done
= 1;
3526 wake_up(&hd
->scandv_waitq
);
3531 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3532 /* mptscsih_timer_expired - Call back for timer process.
3533 * Used only for dv functionality.
3534 * @data: Pointer to MPT_SCSI_HOST recast as an unsigned long
3538 mptscsih_timer_expired(unsigned long data
)
3540 MPT_SCSI_HOST
*hd
= (MPT_SCSI_HOST
*) data
;
3542 ddvprintk((MYIOC_s_WARN_FMT
"Timer Expired! Cmd %p\n", hd
->ioc
->name
, hd
->cmdPtr
));
3545 MPIHeader_t
*cmd
= (MPIHeader_t
*)hd
->cmdPtr
;
3547 if (cmd
->Function
== MPI_FUNCTION_SCSI_IO_REQUEST
) {
3548 /* Desire to issue a task management request here.
3549 * TM requests MUST be single threaded.
3550 * If old eh code and no TM current, issue request.
3551 * If new eh code, do nothing. Wait for OS cmd timeout
3554 ddvtprintk((MYIOC_s_NOTE_FMT
"DV Cmd Timeout: NoOp\n", hd
->ioc
->name
));
3556 /* Perform a FW reload */
3557 if (mpt_HardResetHandler(hd
->ioc
, NO_SLEEP
) < 0) {
3558 printk(MYIOC_s_WARN_FMT
"Firmware Reload FAILED!\n", hd
->ioc
->name
);
3562 /* This should NEVER happen */
3563 printk(MYIOC_s_WARN_FMT
"Null cmdPtr!!!!\n", hd
->ioc
->name
);
3566 /* No more processing.
3567 * TM call will generate an interrupt for SCSI TM Management.
3568 * The FW will reply to all outstanding commands, callback will finish cleanup.
3569 * Hard reset clean-up will free all resources.
3571 ddvprintk((MYIOC_s_WARN_FMT
"Timer Expired Complete!\n", hd
->ioc
->name
));
3576 #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
3577 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3578 /* mptscsih_do_raid - Format and Issue a RAID volume request message.
3579 * @hd: Pointer to scsi host structure
3580 * @action: What do be done.
3581 * @id: Logical target id.
3582 * @bus: Target locations bus.
3584 * Returns: < 0 on a fatal error
3587 * Remark: Wait to return until reply processed by the ISR.
3590 mptscsih_do_raid(MPT_SCSI_HOST
*hd
, u8 action
, INTERNAL_CMD
*io
)
3592 MpiRaidActionRequest_t
*pReq
;
3596 in_isr
= in_interrupt();
3598 dprintk((MYIOC_s_WARN_FMT
"Internal raid request not allowed in ISR context!\n",
3603 /* Get and Populate a free Frame
3605 if ((mf
= mpt_get_msg_frame(hd
->ioc
->InternalCtx
, hd
->ioc
)) == NULL
) {
3606 ddvprintk((MYIOC_s_WARN_FMT
"_do_raid: no msg frames!\n",
3610 pReq
= (MpiRaidActionRequest_t
*)mf
;
3611 pReq
->Action
= action
;
3612 pReq
->Reserved1
= 0;
3613 pReq
->ChainOffset
= 0;
3614 pReq
->Function
= MPI_FUNCTION_RAID_ACTION
;
3615 pReq
->VolumeID
= io
->id
;
3616 pReq
->VolumeBus
= io
->bus
;
3617 pReq
->PhysDiskNum
= io
->physDiskNum
;
3619 pReq
->Reserved2
= 0;
3620 pReq
->ActionDataWord
= 0; /* Reserved for this action */
3621 //pReq->ActionDataSGE = 0;
3623 mpt_add_sge((char *)&pReq
->ActionDataSGE
,
3624 MPT_SGE_FLAGS_SSIMPLE_READ
| 0, (dma_addr_t
) -1);
3626 ddvprintk((MYIOC_s_INFO_FMT
"RAID Volume action %x id %d\n",
3627 hd
->ioc
->name
, action
, io
->id
));
3630 hd
->timer
.expires
= jiffies
+ HZ
*10; /* 10 second timeout */
3631 hd
->scandv_wait_done
= 0;
3633 /* Save cmd pointer, for resource free if timeout or
3638 add_timer(&hd
->timer
);
3639 mpt_put_msg_frame(hd
->ioc
->InternalCtx
, hd
->ioc
, mf
);
3640 wait_event(hd
->scandv_waitq
, hd
->scandv_wait_done
);
3642 if ((hd
->pLocal
== NULL
) || (hd
->pLocal
->completion
!= MPT_SCANDV_GOOD
))
3647 #endif /* ~MPTSCSIH_ENABLE_DOMAIN_VALIDATION */
3649 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3651 * mptscsih_do_cmd - Do internal command.
3652 * @hd: MPT_SCSI_HOST pointer
3653 * @io: INTERNAL_CMD pointer.
3655 * Issue the specified internally generated command and do command
3656 * specific cleanup. For bus scan / DV only.
3657 * NOTES: If command is Inquiry and status is good,
3658 * initialize a target structure, save the data
3660 * Remark: Single threaded access only.
3663 * < 0 if an illegal command or no resources
3667 * > 0 if command complete but some type of completion error.
3670 mptscsih_do_cmd(MPT_SCSI_HOST
*hd
, INTERNAL_CMD
*io
)
3673 SCSIIORequest_t
*pScsiReq
;
3674 SCSIIORequest_t ReqCopy
;
3675 int my_idx
, ii
, dir
;
3679 char CDB
[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
3682 in_isr
= in_interrupt();
3684 dprintk((MYIOC_s_WARN_FMT
"Internal SCSI IO request not allowed in ISR context!\n",
3690 /* Set command specific information
3695 dir
= MPI_SCSIIO_CONTROL_READ
;
3701 case TEST_UNIT_READY
:
3703 dir
= MPI_SCSIIO_CONTROL_READ
;
3709 dir
= MPI_SCSIIO_CONTROL_READ
;
3711 CDB
[4] = 1; /*Spin up the disk */
3719 dir
= MPI_SCSIIO_CONTROL_READ
;
3725 dir
= MPI_SCSIIO_CONTROL_READ
;
3727 if (io
->flags
& MPT_ICFLAG_ECHO
) {
3733 if (io
->flags
& MPT_ICFLAG_BUF_CAP
) {
3736 CDB
[6] = (io
->size
>> 16) & 0xFF;
3737 CDB
[7] = (io
->size
>> 8) & 0xFF;
3738 CDB
[8] = io
->size
& 0xFF;
3744 dir
= MPI_SCSIIO_CONTROL_WRITE
;
3746 if (io
->flags
& MPT_ICFLAG_ECHO
) {
3751 CDB
[6] = (io
->size
>> 16) & 0xFF;
3752 CDB
[7] = (io
->size
>> 8) & 0xFF;
3753 CDB
[8] = io
->size
& 0xFF;
3759 dir
= MPI_SCSIIO_CONTROL_READ
;
3766 dir
= MPI_SCSIIO_CONTROL_READ
;
3771 case SYNCHRONIZE_CACHE
:
3773 dir
= MPI_SCSIIO_CONTROL_READ
;
3775 // CDB[1] = 0x02; /* set immediate bit */
3784 /* Get and Populate a free Frame
3786 if ((mf
= mpt_get_msg_frame(hd
->ioc
->InternalCtx
, hd
->ioc
)) == NULL
) {
3787 ddvprintk((MYIOC_s_WARN_FMT
"No msg frames!\n",
3792 pScsiReq
= (SCSIIORequest_t
*) mf
;
3794 /* Get the request index */
3795 my_idx
= le16_to_cpu(mf
->u
.frame
.hwhdr
.msgctxu
.fld
.req_idx
);
3796 ADD_INDEX_LOG(my_idx
); /* for debug */
3798 if (io
->flags
& MPT_ICFLAG_PHYS_DISK
) {
3799 pScsiReq
->TargetID
= io
->physDiskNum
;
3801 pScsiReq
->ChainOffset
= 0;
3802 pScsiReq
->Function
= MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
;
3804 pScsiReq
->TargetID
= io
->id
;
3805 pScsiReq
->Bus
= io
->bus
;
3806 pScsiReq
->ChainOffset
= 0;
3807 pScsiReq
->Function
= MPI_FUNCTION_SCSI_IO_REQUEST
;
3810 pScsiReq
->CDBLength
= cmdLen
;
3811 pScsiReq
->SenseBufferLength
= MPT_SENSE_BUFFER_SIZE
;
3813 pScsiReq
->Reserved
= 0;
3815 pScsiReq
->MsgFlags
= mpt_msg_flags();
3816 /* MsgContext set in mpt_get_msg_fram call */
3818 for (ii
=0; ii
< 8; ii
++)
3819 pScsiReq
->LUN
[ii
] = 0;
3820 pScsiReq
->LUN
[1] = io
->lun
;
3822 if (io
->flags
& MPT_ICFLAG_TAGGED_CMD
)
3823 pScsiReq
->Control
= cpu_to_le32(dir
| MPI_SCSIIO_CONTROL_SIMPLEQ
);
3825 pScsiReq
->Control
= cpu_to_le32(dir
| MPI_SCSIIO_CONTROL_UNTAGGED
);
3827 if (cmd
== REQUEST_SENSE
) {
3828 pScsiReq
->Control
= cpu_to_le32(dir
| MPI_SCSIIO_CONTROL_UNTAGGED
);
3829 ddvprintk((MYIOC_s_INFO_FMT
"Untagged! 0x%2x\n",
3830 hd
->ioc
->name
, cmd
));
3833 for (ii
=0; ii
< 16; ii
++)
3834 pScsiReq
->CDB
[ii
] = CDB
[ii
];
3836 pScsiReq
->DataLength
= cpu_to_le32(io
->size
);
3837 pScsiReq
->SenseBufferLowAddr
= cpu_to_le32(hd
->ioc
->sense_buf_low_dma
3838 + (my_idx
* MPT_SENSE_BUFFER_ALLOC
));
3840 ddvprintk((MYIOC_s_INFO_FMT
"Sending Command 0x%x for (%d:%d:%d)\n",
3841 hd
->ioc
->name
, cmd
, io
->bus
, io
->id
, io
->lun
));
3843 if (dir
== MPI_SCSIIO_CONTROL_READ
) {
3844 mpt_add_sge((char *) &pScsiReq
->SGL
,
3845 MPT_SGE_FLAGS_SSIMPLE_READ
| io
->size
,
3848 mpt_add_sge((char *) &pScsiReq
->SGL
,
3849 MPT_SGE_FLAGS_SSIMPLE_WRITE
| io
->size
,
3853 /* The ISR will free the request frame, but we need
3854 * the information to initialize the target. Duplicate.
3856 memcpy(&ReqCopy
, pScsiReq
, sizeof(SCSIIORequest_t
));
3858 /* Issue this command after:
3861 * Wait until the reply has been received
3862 * ScsiScanDvCtx callback function will
3864 * set scandv_wait_done and call wake_up
3867 hd
->timer
.expires
= jiffies
+ HZ
*cmdTimeout
;
3868 hd
->scandv_wait_done
= 0;
3870 /* Save cmd pointer, for resource free if timeout or
3875 add_timer(&hd
->timer
);
3876 mpt_put_msg_frame(hd
->ioc
->InternalCtx
, hd
->ioc
, mf
);
3877 wait_event(hd
->scandv_waitq
, hd
->scandv_wait_done
);
3880 rc
= hd
->pLocal
->completion
;
3881 hd
->pLocal
->skip
= 0;
3883 /* Always set fatal error codes in some cases.
3885 if (rc
== MPT_SCANDV_SELECTION_TIMEOUT
)
3887 else if (rc
== MPT_SCANDV_SOME_ERROR
)
3891 /* This should never happen. */
3892 ddvprintk((MYIOC_s_INFO_FMT
"_do_cmd: Null pLocal!!!\n",
3899 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3901 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3902 * @hd: Pointer to MPT_SCSI_HOST structure
3903 * @portnum: IOC port number
3905 * Uses the ISR, but with special processing.
3906 * MUST be single-threaded.
3908 * Return: 0 on completion
3911 mptscsih_synchronize_cache(MPT_SCSI_HOST
*hd
, int portnum
)
3913 MPT_ADAPTER
*ioc
= hd
->ioc
;
3914 VirtDevice
*pTarget
;
3915 SCSIDevicePage1_t
*pcfg1Data
= NULL
;
3918 dma_addr_t cfg1_dma_addr
= -1;
3919 ConfigPageHeader_t header1
;
3923 int indexed_lun
, lun_index
;
3924 int hostId
= ioc
->pfacts
[portnum
].PortSCSIID
;
3926 int requested
, configuration
, data
;
3930 max_id
= ioc
->sh
->max_id
- 1;
3932 /* Following parameters will not change
3935 iocmd
.cmd
= SYNCHRONIZE_CACHE
;
3937 iocmd
.physDiskNum
= -1;
3939 iocmd
.data_dma
= -1;
3941 iocmd
.rsvd
= iocmd
.rsvd2
= 0;
3945 if (hd
->Targets
== NULL
)
3953 /* Write SDP1 for all SCSI devices
3954 * Alloc memory and set up config buffer
3956 if (ioc
->bus_type
== SCSI
) {
3957 if (ioc
->spi_data
.sdp1length
> 0) {
3958 pcfg1Data
= (SCSIDevicePage1_t
*)pci_alloc_consistent(ioc
->pcidev
,
3959 ioc
->spi_data
.sdp1length
* 4, &cfg1_dma_addr
);
3961 if (pcfg1Data
!= NULL
) {
3963 header1
.PageVersion
= ioc
->spi_data
.sdp1version
;
3964 header1
.PageLength
= ioc
->spi_data
.sdp1length
;
3965 header1
.PageNumber
= 1;
3966 header1
.PageType
= MPI_CONFIG_PAGETYPE_SCSI_DEVICE
;
3968 cfg
.physAddr
= cfg1_dma_addr
;
3969 cfg
.action
= MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT
;
3976 /* loop through all devices on this port
3978 while (bus
< MPT_MAX_BUS
) {
3981 pTarget
= hd
->Targets
[(int)id
];
3985 /* Set the negotiation flags */
3986 if (pTarget
&& (pTarget
= hd
->Targets
[id
]) && !pTarget
->raidVolume
) {
3987 flags
= pTarget
->negoFlags
;
3989 flags
= hd
->ioc
->spi_data
.noQas
;
3990 if (hd
->ioc
->spi_data
.nvram
&& (hd
->ioc
->spi_data
.nvram
[id
] != MPT_HOST_NVRAM_INVALID
)) {
3991 data
= hd
->ioc
->spi_data
.nvram
[id
];
3993 if (data
& MPT_NVRAM_WIDE_DISABLE
)
3994 flags
|= MPT_TARGET_NO_NEGO_WIDE
;
3996 factor
= (data
& MPT_NVRAM_SYNC_MASK
) >> MPT_NVRAM_SYNC_SHIFT
;
3997 if ((factor
== 0) || (factor
== MPT_ASYNC
))
3998 flags
|= MPT_TARGET_NO_NEGO_SYNC
;
4002 /* Force to async, narrow */
4003 mptscsih_setDevicePage1Flags(0, MPT_ASYNC
, 0, &requested
,
4004 &configuration
, flags
);
4005 dnegoprintk(("syncronize cache: id=%d width=0 factor=MPT_ASYNC "
4006 "offset=0 negoFlags=%x request=%x config=%x\n",
4007 id
, flags
, requested
, configuration
));
4008 pcfg1Data
->RequestedParameters
= le32_to_cpu(requested
);
4009 pcfg1Data
->Reserved
= 0;
4010 pcfg1Data
->Configuration
= le32_to_cpu(configuration
);
4011 cfg
.pageAddr
= (bus
<<8) | id
;
4012 mpt_config(hd
->ioc
, &cfg
);
4015 /* If target Ptr NULL or if this target is NOT a disk, skip.
4017 if ((pTarget
) && (pTarget
->tflags
& MPT_TARGET_FLAGS_Q_YES
)){
4018 for (lun
=0; lun
<= MPT_LAST_LUN
; lun
++) {
4019 /* If LUN present, issue the command
4021 lun_index
= (lun
>> 5); /* 32 luns per lun_index */
4022 indexed_lun
= (lun
% 32);
4023 if (pTarget
->luns
[lun_index
] & (1<<indexed_lun
)) {
4025 (void) mptscsih_do_cmd(hd
, &iocmd
);
4030 /* get next relevant device */
4043 pci_free_consistent(ioc
->pcidev
, header1
.PageLength
* 4, pcfg1Data
, cfg1_dma_addr
);
4049 #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
4050 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4052 * mptscsih_domainValidation - Top level handler for domain validation.
4053 * @hd: Pointer to MPT_SCSI_HOST structure.
4055 * Uses the ISR, but with special processing.
4056 * Called from schedule, should not be in interrupt mode.
4057 * While thread alive, do dv for all devices needing dv
4062 mptscsih_domainValidation(void *arg
)
4066 unsigned long flags
;
4067 int id
, maxid
, dvStatus
, did
;
4070 spin_lock_irqsave(&dvtaskQ_lock
, flags
);
4072 if (dvtaskQ_release
) {
4074 spin_unlock_irqrestore(&dvtaskQ_lock
, flags
);
4077 spin_unlock_irqrestore(&dvtaskQ_lock
, flags
);
4079 /* For this ioc, loop through all devices and do dv to each device.
4080 * When complete with this ioc, search through the ioc list, and
4081 * for each scsi ioc found, do dv for all devices. Exit when no
4087 list_for_each_entry(ioc
, &ioc_list
, list
) {
4088 spin_lock_irqsave(&dvtaskQ_lock
, flags
);
4089 if (dvtaskQ_release
) {
4091 spin_unlock_irqrestore(&dvtaskQ_lock
, flags
);
4094 spin_unlock_irqrestore(&dvtaskQ_lock
, flags
);
4098 /* DV only to SCSI adapters */
4099 if (ioc
->bus_type
!= SCSI
)
4102 /* Make sure everything looks ok */
4103 if (ioc
->sh
== NULL
)
4106 hd
= (MPT_SCSI_HOST
*) ioc
->sh
->hostdata
;
4110 if ((ioc
->spi_data
.forceDv
& MPT_SCSICFG_RELOAD_IOC_PG3
) != 0) {
4111 mpt_read_ioc_pg_3(ioc
);
4112 if (ioc
->spi_data
.pIocPg3
) {
4113 Ioc3PhysDisk_t
*pPDisk
= ioc
->spi_data
.pIocPg3
->PhysDisk
;
4114 int numPDisk
= ioc
->spi_data
.pIocPg3
->NumPhysDisks
;
4117 if (ioc
->spi_data
.dvStatus
[pPDisk
->PhysDiskID
] & MPT_SCSICFG_DV_NOT_DONE
)
4118 ioc
->spi_data
.dvStatus
[pPDisk
->PhysDiskID
] |= MPT_SCSICFG_NEED_DV
;
4124 ioc
->spi_data
.forceDv
&= ~MPT_SCSICFG_RELOAD_IOC_PG3
;
4127 maxid
= min_t(int, ioc
->sh
->max_id
, MPT_MAX_SCSI_DEVICES
);
4129 for (id
= 0; id
< maxid
; id
++) {
4130 spin_lock_irqsave(&dvtaskQ_lock
, flags
);
4131 if (dvtaskQ_release
) {
4133 spin_unlock_irqrestore(&dvtaskQ_lock
, flags
);
4136 spin_unlock_irqrestore(&dvtaskQ_lock
, flags
);
4137 dvStatus
= hd
->ioc
->spi_data
.dvStatus
[id
];
4139 if (dvStatus
& MPT_SCSICFG_NEED_DV
) {
4141 hd
->ioc
->spi_data
.dvStatus
[id
] |= MPT_SCSICFG_DV_PENDING
;
4142 hd
->ioc
->spi_data
.dvStatus
[id
] &= ~MPT_SCSICFG_NEED_DV
;
4146 /* If hidden phys disk, block IO's to all
4148 * else, process normally
4150 isPhysDisk
= mptscsih_is_phys_disk(ioc
, id
);
4152 for (ii
=0; ii
< MPT_MAX_SCSI_DEVICES
; ii
++) {
4153 if (hd
->ioc
->spi_data
.isRaid
& (1 << ii
)) {
4154 hd
->ioc
->spi_data
.dvStatus
[ii
] |= MPT_SCSICFG_DV_PENDING
;
4159 if (mptscsih_doDv(hd
, 0, id
) == 1) {
4160 /* Untagged device was busy, try again
4162 hd
->ioc
->spi_data
.dvStatus
[id
] |= MPT_SCSICFG_NEED_DV
;
4163 hd
->ioc
->spi_data
.dvStatus
[id
] &= ~MPT_SCSICFG_DV_PENDING
;
4165 /* DV is complete. Clear flags.
4167 hd
->ioc
->spi_data
.dvStatus
[id
] &= ~(MPT_SCSICFG_DV_NOT_DONE
| MPT_SCSICFG_DV_PENDING
);
4171 for (ii
=0; ii
< MPT_MAX_SCSI_DEVICES
; ii
++) {
4172 if (hd
->ioc
->spi_data
.isRaid
& (1 << ii
)) {
4173 hd
->ioc
->spi_data
.dvStatus
[ii
] &= ~MPT_SCSICFG_DV_PENDING
;
4178 if (hd
->ioc
->spi_data
.noQas
)
4179 mptscsih_qas_check(hd
, id
);
4185 spin_lock_irqsave(&dvtaskQ_lock
, flags
);
4187 spin_unlock_irqrestore(&dvtaskQ_lock
, flags
);
4192 /* Search IOC page 3 to determine if this is hidden physical disk
4195 mptscsih_is_phys_disk(MPT_ADAPTER
*ioc
, int id
)
4197 if (ioc
->spi_data
.pIocPg3
) {
4198 Ioc3PhysDisk_t
*pPDisk
= ioc
->spi_data
.pIocPg3
->PhysDisk
;
4199 int numPDisk
= ioc
->spi_data
.pIocPg3
->NumPhysDisks
;
4202 if (pPDisk
->PhysDiskID
== id
) {
4212 /* Write SDP1 if no QAS has been enabled
4215 mptscsih_qas_check(MPT_SCSI_HOST
*hd
, int id
)
4217 VirtDevice
*pTarget
;
4220 if (hd
->Targets
== NULL
)
4223 for (ii
=0; ii
< MPT_MAX_SCSI_DEVICES
; ii
++) {
4227 if ((hd
->ioc
->spi_data
.dvStatus
[ii
] & MPT_SCSICFG_DV_NOT_DONE
) != 0)
4230 pTarget
= hd
->Targets
[ii
];
4232 if ((pTarget
!= NULL
) && (!pTarget
->raidVolume
)) {
4233 if ((pTarget
->negoFlags
& hd
->ioc
->spi_data
.noQas
) == 0) {
4234 pTarget
->negoFlags
|= hd
->ioc
->spi_data
.noQas
;
4235 dnegoprintk(("writeSDP1: id=%d flags=0\n", id
));
4236 mptscsih_writeSDP1(hd
, 0, ii
, 0);
4239 if (mptscsih_is_phys_disk(hd
->ioc
, ii
) == 1) {
4240 dnegoprintk(("writeSDP1: id=%d SCSICFG_USE_NVRAM\n", id
));
4241 mptscsih_writeSDP1(hd
, 0, ii
, MPT_SCSICFG_USE_NVRAM
);
4250 #define MPT_GET_NVRAM_VALS 0x01
4251 #define MPT_UPDATE_MAX 0x02
4252 #define MPT_SET_MAX 0x04
4253 #define MPT_SET_MIN 0x08
4254 #define MPT_FALLBACK 0x10
4255 #define MPT_SAVE 0x20
4257 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4259 * mptscsih_doDv - Perform domain validation to a target.
4260 * @hd: Pointer to MPT_SCSI_HOST structure.
4261 * @portnum: IOC port number.
4262 * @target: Physical ID of this target
4264 * Uses the ISR, but with special processing.
4265 * MUST be single-threaded.
4266 * Test will exit if target is at async & narrow.
4271 mptscsih_doDv(MPT_SCSI_HOST
*hd
, int bus_number
, int id
)
4273 MPT_ADAPTER
*ioc
= hd
->ioc
;
4274 VirtDevice
*pTarget
;
4275 SCSIDevicePage1_t
*pcfg1Data
;
4276 SCSIDevicePage0_t
*pcfg0Data
;
4280 dma_addr_t dvbuf_dma
= -1;
4281 dma_addr_t buf1_dma
= -1;
4282 dma_addr_t buf2_dma
= -1;
4283 dma_addr_t cfg1_dma_addr
= -1;
4284 dma_addr_t cfg0_dma_addr
= -1;
4285 ConfigPageHeader_t header1
;
4286 ConfigPageHeader_t header0
;
4293 int dataBufSize
= 0;
4294 int echoBufSize
= 0;
4299 int nfactor
= MPT_ULTRA320
;
4301 char doFallback
= 0;
4306 if (ioc
->spi_data
.sdp1length
== 0)
4309 if (ioc
->spi_data
.sdp0length
== 0)
4312 /* If multiple buses are used, require that the initiator
4313 * id be the same on all buses.
4315 if (id
== ioc
->pfacts
[0].PortSCSIID
)
4319 bus
= (u8
) bus_number
;
4320 ddvtprintk((MYIOC_s_NOTE_FMT
4321 "DV started: bus=%d, id=%d dv @ %p\n",
4322 ioc
->name
, bus
, id
, &dv
));
4324 /* Prep DV structure
4326 memset (&dv
, 0, sizeof(DVPARAMETERS
));
4329 /* Populate tmax with the current maximum
4330 * transfer parameters for this target.
4331 * Exit if narrow and async.
4333 dv
.cmd
= MPT_GET_NVRAM_VALS
;
4334 mptscsih_dv_parms(hd
, &dv
, NULL
);
4336 /* Prep SCSI IO structure
4342 iocmd
.physDiskNum
= -1;
4343 iocmd
.rsvd
= iocmd
.rsvd2
= 0;
4345 pTarget
= hd
->Targets
[id
];
4347 /* Use tagged commands if possible.
4350 if (pTarget
->tflags
& MPT_TARGET_FLAGS_Q_YES
)
4351 iocmd
.flags
|= MPT_ICFLAG_TAGGED_CMD
;
4353 if (hd
->ioc
->facts
.FWVersion
.Word
< 0x01000600)
4356 if ((hd
->ioc
->facts
.FWVersion
.Word
>= 0x01010000) &&
4357 (hd
->ioc
->facts
.FWVersion
.Word
< 0x01010B00))
4362 /* Prep cfg structure
4364 cfg
.pageAddr
= (bus
<<8) | id
;
4369 header0
.PageVersion
= ioc
->spi_data
.sdp0version
;
4370 header0
.PageLength
= ioc
->spi_data
.sdp0length
;
4371 header0
.PageNumber
= 0;
4372 header0
.PageType
= MPI_CONFIG_PAGETYPE_SCSI_DEVICE
;
4376 header1
.PageVersion
= ioc
->spi_data
.sdp1version
;
4377 header1
.PageLength
= ioc
->spi_data
.sdp1length
;
4378 header1
.PageNumber
= 1;
4379 header1
.PageType
= MPI_CONFIG_PAGETYPE_SCSI_DEVICE
;
4381 if (header0
.PageLength
& 1)
4382 dv_alloc
= (header0
.PageLength
* 4) + 4;
4384 dv_alloc
+= (2048 + (header1
.PageLength
* 4));
4386 pDvBuf
= pci_alloc_consistent(ioc
->pcidev
, dv_alloc
, &dvbuf_dma
);
4391 pbuf1
= (u8
*)pDvBuf
;
4392 buf1_dma
= dvbuf_dma
;
4395 pbuf2
= (u8
*) (pDvBuf
+ sz
);
4396 buf2_dma
= dvbuf_dma
+ sz
;
4399 pcfg0Data
= (SCSIDevicePage0_t
*) (pDvBuf
+ sz
);
4400 cfg0_dma_addr
= dvbuf_dma
+ sz
;
4401 sz
+= header0
.PageLength
* 4;
4405 if (header0
.PageLength
& 1)
4408 pcfg1Data
= (SCSIDevicePage1_t
*) (pDvBuf
+ sz
);
4409 cfg1_dma_addr
= dvbuf_dma
+ sz
;
4411 /* Skip this ID? Set cfg.hdr to force config page write
4414 ScsiCfgData
*pspi_data
= &hd
->ioc
->spi_data
;
4415 if (pspi_data
->nvram
&& (pspi_data
->nvram
[id
] != MPT_HOST_NVRAM_INVALID
)) {
4416 /* Set the factor from nvram */
4417 nfactor
= (pspi_data
->nvram
[id
] & MPT_NVRAM_SYNC_MASK
) >> 8;
4418 if (nfactor
< pspi_data
->minSyncFactor
)
4419 nfactor
= pspi_data
->minSyncFactor
;
4421 if (!(pspi_data
->nvram
[id
] & MPT_NVRAM_ID_SCAN_ENABLE
) ||
4422 (pspi_data
->PortFlags
== MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV
) ) {
4424 ddvprintk((MYIOC_s_NOTE_FMT
"DV Skipped: bus, id, lun (%d, %d, %d)\n",
4425 ioc
->name
, bus
, id
, lun
));
4427 dv
.cmd
= MPT_SET_MAX
;
4428 mptscsih_dv_parms(hd
, &dv
, (void *)pcfg1Data
);
4431 /* Save the final negotiated settings to
4432 * SCSI device page 1.
4434 cfg
.physAddr
= cfg1_dma_addr
;
4435 cfg
.action
= MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT
;
4437 mpt_config(hd
->ioc
, &cfg
);
4443 /* Finish iocmd inititialization - hidden or visible disk? */
4444 if (ioc
->spi_data
.pIocPg3
) {
4445 /* Search IOC page 3 for matching id
4447 Ioc3PhysDisk_t
*pPDisk
= ioc
->spi_data
.pIocPg3
->PhysDisk
;
4448 int numPDisk
= ioc
->spi_data
.pIocPg3
->NumPhysDisks
;
4451 if (pPDisk
->PhysDiskID
== id
) {
4453 iocmd
.flags
|= MPT_ICFLAG_PHYS_DISK
;
4454 iocmd
.physDiskNum
= pPDisk
->PhysDiskNum
;
4458 if (mptscsih_do_raid(hd
, MPI_RAID_ACTION_QUIESCE_PHYS_IO
, &iocmd
) < 0) {
4459 ddvprintk((MYIOC_s_ERR_FMT
"RAID Queisce FAILED!\n", ioc
->name
));
4469 /* RAID Volume ID's may double for a physical device. If RAID but
4470 * not a physical ID as well, skip DV.
4472 if ((hd
->ioc
->spi_data
.isRaid
& (1 << id
)) && !(iocmd
.flags
& MPT_ICFLAG_PHYS_DISK
))
4477 * Async & Narrow - Inquiry
4478 * Async & Narrow - Inquiry
4479 * Maximum transfer rate - Inquiry
4481 * If compare, test complete.
4482 * If miscompare and first pass, repeat
4483 * If miscompare and not first pass, fall back and repeat
4487 sz
= SCSI_MAX_INQUIRY_BYTES
;
4488 rc
= MPT_SCANDV_GOOD
;
4490 ddvprintk((MYIOC_s_NOTE_FMT
"DV: Start Basic test on id=%d\n", ioc
->name
, id
));
4492 dv
.cmd
= MPT_SET_MIN
;
4493 mptscsih_dv_parms(hd
, &dv
, (void *)pcfg1Data
);
4496 cfg
.physAddr
= cfg1_dma_addr
;
4497 cfg
.action
= MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT
;
4499 if (mpt_config(hd
->ioc
, &cfg
) != 0)
4502 /* Wide - narrow - wide workaround case
4504 if ((rc
== MPT_SCANDV_ISSUE_SENSE
) && dv
.max
.width
) {
4505 /* Send an untagged command to reset disk Qs corrupted
4506 * when a parity error occurs on a Request Sense.
4508 if ((hd
->ioc
->facts
.FWVersion
.Word
>= 0x01000600) ||
4509 ((hd
->ioc
->facts
.FWVersion
.Word
>= 0x01010000) &&
4510 (hd
->ioc
->facts
.FWVersion
.Word
< 0x01010B00)) ) {
4512 iocmd
.cmd
= REQUEST_SENSE
;
4513 iocmd
.data_dma
= buf1_dma
;
4516 if (mptscsih_do_cmd(hd
, &iocmd
) < 0)
4519 if (hd
->pLocal
== NULL
)
4521 rc
= hd
->pLocal
->completion
;
4522 if ((rc
== MPT_SCANDV_GOOD
) || (rc
== MPT_SCANDV_SENSE
)) {
4532 iocmd
.cmd
= INQUIRY
;
4533 iocmd
.data_dma
= buf1_dma
;
4536 memset(pbuf1
, 0x00, sz
);
4537 if (mptscsih_do_cmd(hd
, &iocmd
) < 0)
4540 if (hd
->pLocal
== NULL
)
4542 rc
= hd
->pLocal
->completion
;
4543 if (rc
== MPT_SCANDV_GOOD
) {
4544 if (hd
->pLocal
->scsiStatus
== SAM_STAT_BUSY
) {
4545 if ((iocmd
.flags
& MPT_ICFLAG_TAGGED_CMD
) == 0)
4552 } else if (rc
== MPT_SCANDV_SENSE
) {
4555 /* If first command doesn't complete
4556 * with a good status or with a check condition,
4563 /* Reset the size for disks
4565 inq0
= (*pbuf1
) & 0x1F;
4566 if ((inq0
== 0) && pTarget
&& !pTarget
->raidVolume
) {
4571 /* Another GEM workaround. Check peripheral device type,
4572 * if PROCESSOR, quit DV.
4574 if (inq0
== TYPE_PROCESSOR
) {
4575 mptscsih_initTarget(hd
,
4587 if (mptscsih_do_cmd(hd
, &iocmd
) < 0)
4591 if ((pTarget
->maxWidth
== 1) && (pTarget
->maxOffset
) && (nfactor
< 0x0A)
4592 && (pTarget
->minSyncFactor
> 0x09)) {
4593 if ((pbuf1
[56] & 0x04) == 0)
4595 else if ((pbuf1
[56] & 0x01) == 1) {
4596 pTarget
->minSyncFactor
=
4597 nfactor
> MPT_ULTRA320
? nfactor
: MPT_ULTRA320
;
4599 pTarget
->minSyncFactor
=
4600 nfactor
> MPT_ULTRA160
? nfactor
: MPT_ULTRA160
;
4603 dv
.max
.factor
= pTarget
->minSyncFactor
;
4605 if ((pbuf1
[56] & 0x02) == 0) {
4606 pTarget
->negoFlags
|= MPT_TARGET_NO_NEGO_QAS
;
4607 hd
->ioc
->spi_data
.noQas
= MPT_TARGET_NO_NEGO_QAS
;
4608 ddvprintk((MYIOC_s_NOTE_FMT
4609 "DV: Start Basic noQas on id=%d due to pbuf1[56]=%x\n",
4610 ioc
->name
, id
, pbuf1
[56]));
4616 dv
.cmd
= MPT_FALLBACK
;
4618 dv
.cmd
= MPT_SET_MAX
;
4620 mptscsih_dv_parms(hd
, &dv
, (void *)pcfg1Data
);
4621 if (mpt_config(hd
->ioc
, &cfg
) != 0)
4624 if ((!dv
.now
.width
) && (!dv
.now
.offset
))
4627 iocmd
.cmd
= INQUIRY
;
4628 iocmd
.data_dma
= buf2_dma
;
4631 memset(pbuf2
, 0x00, sz
);
4632 if (mptscsih_do_cmd(hd
, &iocmd
) < 0)
4634 else if (hd
->pLocal
== NULL
)
4637 /* Save the return code.
4638 * If this is the first pass,
4639 * read SCSI Device Page 0
4640 * and update the target max parameters.
4642 rc
= hd
->pLocal
->completion
;
4644 if (rc
== MPT_SCANDV_GOOD
) {
4650 cfg
.physAddr
= cfg0_dma_addr
;
4651 cfg
.action
= MPI_CONFIG_ACTION_PAGE_READ_CURRENT
;
4654 if (mpt_config(hd
->ioc
, &cfg
) != 0)
4657 sdp0_info
= le32_to_cpu(pcfg0Data
->Information
) & 0x0E;
4658 sdp0_nego
= (le32_to_cpu(pcfg0Data
->NegotiatedParameters
) & 0xFF00 ) >> 8;
4660 /* Quantum and Fujitsu workarounds.
4661 * Quantum: PPR U320 -> PPR reply with Ultra2 and wide
4662 * Fujitsu: PPR U320 -> Msg Reject and Ultra2 and wide
4663 * Resetart with a request for U160.
4665 if ((dv
.now
.factor
== MPT_ULTRA320
) && (sdp0_nego
== MPT_ULTRA2
)) {
4668 dv
.cmd
= MPT_UPDATE_MAX
;
4669 mptscsih_dv_parms(hd
, &dv
, (void *)pcfg0Data
);
4670 /* Update the SCSI device page 1 area
4672 pcfg1Data
->RequestedParameters
= pcfg0Data
->NegotiatedParameters
;
4677 /* Quantum workaround. Restart this test will the fallback
4680 if (doFallback
== 0) {
4681 if (memcmp(pbuf1
, pbuf2
, sz
) != 0) {
4685 ddvprintk((MYIOC_s_NOTE_FMT
4686 "DV:Inquiry compared id=%d, calling initTarget\n", ioc
->name
, id
));
4687 hd
->ioc
->spi_data
.dvStatus
[id
] &= ~MPT_SCSICFG_DV_NOT_DONE
;
4688 mptscsih_initTarget(hd
,
4694 break; /* test complete */
4699 } else if (rc
== MPT_SCANDV_ISSUE_SENSE
)
4700 doFallback
= 1; /* set fallback flag */
4701 else if ((rc
== MPT_SCANDV_DID_RESET
) ||
4702 (rc
== MPT_SCANDV_SENSE
) ||
4703 (rc
== MPT_SCANDV_FALLBACK
))
4704 doFallback
= 1; /* set fallback flag */
4711 ddvprintk((MYIOC_s_NOTE_FMT
"DV: Basic test on id=%d completed OK.\n", ioc
->name
, id
));
4713 if (ioc
->spi_data
.mpt_dv
== 0)
4716 inq0
= (*pbuf1
) & 0x1F;
4718 /* Continue only for disks
4723 if ( ioc
->spi_data
.PortFlags
== MPI_SCSIPORTPAGE2_PORT_FLAGS_BASIC_DV_ONLY
)
4726 /* Start the Enhanced Test.
4727 * 0) issue TUR to clear out check conditions
4728 * 1) read capacity of echo (regular) buffer
4730 * 3) do write-read-compare data pattern test
4732 * 5) update nego parms to target struct
4735 cfg
.physAddr
= cfg1_dma_addr
;
4736 cfg
.action
= MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT
;
4739 iocmd
.cmd
= TEST_UNIT_READY
;
4740 iocmd
.data_dma
= -1;
4745 if (mptscsih_do_cmd(hd
, &iocmd
) < 0)
4748 if (hd
->pLocal
== NULL
)
4751 rc
= hd
->pLocal
->completion
;
4752 if (rc
== MPT_SCANDV_GOOD
)
4754 else if (rc
== MPT_SCANDV_SENSE
) {
4755 u8 skey
= hd
->pLocal
->sense
[2] & 0x0F;
4756 u8 asc
= hd
->pLocal
->sense
[12];
4757 u8 ascq
= hd
->pLocal
->sense
[13];
4758 ddvprintk((MYIOC_s_INFO_FMT
4759 "SenseKey:ASC:ASCQ = (%x:%02x:%02x)\n",
4760 ioc
->name
, skey
, asc
, ascq
));
4762 if (skey
== UNIT_ATTENTION
)
4763 notDone
++; /* repeat */
4764 else if ((skey
== NOT_READY
) &&
4765 (asc
== 0x04)&&(ascq
== 0x01)) {
4766 /* wait then repeat */
4769 } else if ((skey
== NOT_READY
) && (asc
== 0x3A)) {
4770 /* no medium, try read test anyway */
4773 /* All other errors are fatal.
4775 ddvprintk((MYIOC_s_INFO_FMT
"DV: fatal error.",
4783 iocmd
.cmd
= READ_BUFFER
;
4784 iocmd
.data_dma
= buf1_dma
;
4787 iocmd
.flags
|= MPT_ICFLAG_BUF_CAP
;
4791 for (patt
= 0; patt
< 2; patt
++) {
4793 iocmd
.flags
|= MPT_ICFLAG_ECHO
;
4795 iocmd
.flags
&= ~MPT_ICFLAG_ECHO
;
4801 /* If not ready after 8 trials,
4802 * give up on this device.
4807 if (mptscsih_do_cmd(hd
, &iocmd
) < 0)
4809 else if (hd
->pLocal
== NULL
)
4812 rc
= hd
->pLocal
->completion
;
4813 ddvprintk(("ReadBuffer Comp Code %d", rc
));
4814 ddvprintk((" buff: %0x %0x %0x %0x\n",
4815 pbuf1
[0], pbuf1
[1], pbuf1
[2], pbuf1
[3]));
4817 if (rc
== MPT_SCANDV_GOOD
) {
4819 if (iocmd
.flags
& MPT_ICFLAG_ECHO
) {
4820 bufsize
= ((pbuf1
[2] & 0x1F) <<8) | pbuf1
[3];
4822 bufsize
= pbuf1
[1]<<16 | pbuf1
[2]<<8 | pbuf1
[3];
4824 } else if (rc
== MPT_SCANDV_SENSE
) {
4825 u8 skey
= hd
->pLocal
->sense
[2] & 0x0F;
4826 u8 asc
= hd
->pLocal
->sense
[12];
4827 u8 ascq
= hd
->pLocal
->sense
[13];
4828 ddvprintk((MYIOC_s_INFO_FMT
4829 "SenseKey:ASC:ASCQ = (%x:%02x:%02x)\n",
4830 ioc
->name
, skey
, asc
, ascq
));
4831 if (skey
== ILLEGAL_REQUEST
) {
4833 } else if (skey
== UNIT_ATTENTION
) {
4834 notDone
++; /* repeat */
4835 } else if ((skey
== NOT_READY
) &&
4836 (asc
== 0x04)&&(ascq
== 0x01)) {
4837 /* wait then repeat */
4841 /* All other errors are fatal.
4843 ddvprintk((MYIOC_s_INFO_FMT
"DV: fatal error.",
4848 /* All other errors are fatal
4855 if (iocmd
.flags
& MPT_ICFLAG_ECHO
)
4856 echoBufSize
= bufsize
;
4858 dataBufSize
= bufsize
;
4861 iocmd
.flags
&= ~MPT_ICFLAG_BUF_CAP
;
4863 /* Use echo buffers if possible,
4864 * Exit if both buffers are 0.
4866 if (echoBufSize
> 0) {
4867 iocmd
.flags
|= MPT_ICFLAG_ECHO
;
4868 if (dataBufSize
> 0)
4869 bufsize
= min(echoBufSize
, dataBufSize
);
4871 bufsize
= echoBufSize
;
4872 } else if (dataBufSize
== 0)
4875 ddvprintk((MYIOC_s_INFO_FMT
"%s Buffer Capacity %d\n", ioc
->name
,
4876 (iocmd
.flags
& MPT_ICFLAG_ECHO
) ? "Echo" : " ", bufsize
));
4878 /* Data buffers for write-read-compare test max 1K.
4880 sz
= min(bufsize
, 1024);
4883 * On first pass, always issue a reserve.
4884 * On additional loops, only if a reset has occurred.
4885 * iocmd.flags indicates if echo or regular buffer
4887 for (patt
= 0; patt
< 4; patt
++) {
4888 ddvprintk(("Pattern %d\n", patt
));
4889 if ((iocmd
.flags
& MPT_ICFLAG_RESERVED
) && (iocmd
.flags
& MPT_ICFLAG_DID_RESET
)) {
4890 iocmd
.cmd
= TEST_UNIT_READY
;
4891 iocmd
.data_dma
= -1;
4894 if (mptscsih_do_cmd(hd
, &iocmd
) < 0)
4897 iocmd
.cmd
= RELEASE
;
4898 iocmd
.data_dma
= -1;
4901 if (mptscsih_do_cmd(hd
, &iocmd
) < 0)
4903 else if (hd
->pLocal
== NULL
)
4906 rc
= hd
->pLocal
->completion
;
4907 ddvprintk(("Release rc %d\n", rc
));
4908 if (rc
== MPT_SCANDV_GOOD
)
4909 iocmd
.flags
&= ~MPT_ICFLAG_RESERVED
;
4913 iocmd
.flags
&= ~MPT_ICFLAG_RESERVED
;
4915 iocmd
.flags
&= ~MPT_ICFLAG_DID_RESET
;
4918 while (repeat
&& (!(iocmd
.flags
& MPT_ICFLAG_RESERVED
))) {
4919 iocmd
.cmd
= RESERVE
;
4920 iocmd
.data_dma
= -1;
4923 if (mptscsih_do_cmd(hd
, &iocmd
) < 0)
4925 else if (hd
->pLocal
== NULL
)
4928 rc
= hd
->pLocal
->completion
;
4929 if (rc
== MPT_SCANDV_GOOD
) {
4930 iocmd
.flags
|= MPT_ICFLAG_RESERVED
;
4931 } else if (rc
== MPT_SCANDV_SENSE
) {
4932 /* Wait if coming ready
4934 u8 skey
= hd
->pLocal
->sense
[2] & 0x0F;
4935 u8 asc
= hd
->pLocal
->sense
[12];
4936 u8 ascq
= hd
->pLocal
->sense
[13];
4937 ddvprintk((MYIOC_s_INFO_FMT
4938 "DV: Reserve Failed: ", ioc
->name
));
4939 ddvprintk(("SenseKey:ASC:ASCQ = (%x:%02x:%02x)\n",
4942 if ((skey
== NOT_READY
) && (asc
== 0x04)&&
4944 /* wait then repeat */
4948 ddvprintk((MYIOC_s_INFO_FMT
4949 "DV: Reserved Failed.", ioc
->name
));
4953 ddvprintk((MYIOC_s_INFO_FMT
"DV: Reserved Failed.",
4960 mptscsih_fillbuf(pbuf1
, sz
, patt
, 1);
4961 iocmd
.cmd
= WRITE_BUFFER
;
4962 iocmd
.data_dma
= buf1_dma
;
4965 if (mptscsih_do_cmd(hd
, &iocmd
) < 0)
4967 else if (hd
->pLocal
== NULL
)
4970 rc
= hd
->pLocal
->completion
;
4971 if (rc
== MPT_SCANDV_GOOD
)
4972 ; /* Issue read buffer */
4973 else if (rc
== MPT_SCANDV_DID_RESET
) {
4974 /* If using echo buffers, reset to data buffers.
4975 * Else do Fallback and restart
4976 * this test (re-issue reserve
4977 * because of bus reset).
4979 if ((iocmd
.flags
& MPT_ICFLAG_ECHO
) && (dataBufSize
>= bufsize
)) {
4980 iocmd
.flags
&= ~MPT_ICFLAG_ECHO
;
4982 dv
.cmd
= MPT_FALLBACK
;
4983 mptscsih_dv_parms(hd
, &dv
, (void *)pcfg1Data
);
4985 if (mpt_config(hd
->ioc
, &cfg
) != 0)
4988 if ((!dv
.now
.width
) && (!dv
.now
.offset
))
4992 iocmd
.flags
|= MPT_ICFLAG_DID_RESET
;
4995 } else if (rc
== MPT_SCANDV_SENSE
) {
4996 /* Restart data test if UA, else quit.
4998 u8 skey
= hd
->pLocal
->sense
[2] & 0x0F;
4999 ddvprintk((MYIOC_s_INFO_FMT
5000 "SenseKey:ASC:ASCQ = (%x:%02x:%02x)\n", ioc
->name
, skey
,
5001 hd
->pLocal
->sense
[12], hd
->pLocal
->sense
[13]));
5002 if (skey
== UNIT_ATTENTION
) {
5005 } else if (skey
== ILLEGAL_REQUEST
) {
5006 if (iocmd
.flags
& MPT_ICFLAG_ECHO
) {
5007 if (dataBufSize
>= bufsize
) {
5008 iocmd
.flags
&= ~MPT_ICFLAG_ECHO
;
5023 iocmd
.cmd
= READ_BUFFER
;
5024 iocmd
.data_dma
= buf2_dma
;
5027 if (mptscsih_do_cmd(hd
, &iocmd
) < 0)
5029 else if (hd
->pLocal
== NULL
)
5032 rc
= hd
->pLocal
->completion
;
5033 if (rc
== MPT_SCANDV_GOOD
) {
5034 /* If buffers compare,
5035 * go to next pattern,
5036 * else, do a fallback and restart
5037 * data transfer test.
5039 if (memcmp (pbuf1
, pbuf2
, sz
) == 0) {
5040 ; /* goto next pattern */
5042 /* Miscompare with Echo buffer, go to data buffer,
5043 * if that buffer exists.
5044 * Miscompare with Data buffer, check first 4 bytes,
5045 * some devices return capacity. Exit in this case.
5047 if (iocmd
.flags
& MPT_ICFLAG_ECHO
) {
5048 if (dataBufSize
>= bufsize
)
5049 iocmd
.flags
&= ~MPT_ICFLAG_ECHO
;
5053 if (dataBufSize
== (pbuf2
[1]<<16 | pbuf2
[2]<<8 | pbuf2
[3])) {
5054 /* Argh. Device returning wrong data.
5055 * Quit DV for this device.
5060 /* Had an actual miscompare. Slow down.*/
5061 dv
.cmd
= MPT_FALLBACK
;
5062 mptscsih_dv_parms(hd
, &dv
, (void *)pcfg1Data
);
5064 if (mpt_config(hd
->ioc
, &cfg
) != 0)
5067 if ((!dv
.now
.width
) && (!dv
.now
.offset
))
5074 } else if (rc
== MPT_SCANDV_DID_RESET
) {
5075 /* Do Fallback and restart
5076 * this test (re-issue reserve
5077 * because of bus reset).
5079 dv
.cmd
= MPT_FALLBACK
;
5080 mptscsih_dv_parms(hd
, &dv
, (void *)pcfg1Data
);
5082 if (mpt_config(hd
->ioc
, &cfg
) != 0)
5085 if ((!dv
.now
.width
) && (!dv
.now
.offset
))
5088 iocmd
.flags
|= MPT_ICFLAG_DID_RESET
;
5091 } else if (rc
== MPT_SCANDV_SENSE
) {
5092 /* Restart data test if UA, else quit.
5094 u8 skey
= hd
->pLocal
->sense
[2] & 0x0F;
5095 ddvprintk((MYIOC_s_INFO_FMT
5096 "SenseKey:ASC:ASCQ = (%x:%02x:%02x)\n", ioc
->name
, skey
,
5097 hd
->pLocal
->sense
[12], hd
->pLocal
->sense
[13]));
5098 if (skey
== UNIT_ATTENTION
) {
5110 } /* --- end of patt loop ---- */
5113 if (iocmd
.flags
& MPT_ICFLAG_RESERVED
) {
5114 iocmd
.cmd
= RELEASE
;
5115 iocmd
.data_dma
= -1;
5118 if (mptscsih_do_cmd(hd
, &iocmd
) < 0)
5119 printk(MYIOC_s_INFO_FMT
"DV: Release failed. id %d",
5121 else if (hd
->pLocal
) {
5122 if (hd
->pLocal
->completion
== MPT_SCANDV_GOOD
)
5123 iocmd
.flags
&= ~MPT_ICFLAG_RESERVED
;
5125 printk(MYIOC_s_INFO_FMT
"DV: Release failed. id %d",
5131 /* Set if cfg1_dma_addr contents is valid
5133 if ((cfg
.hdr
!= NULL
) && (retcode
== 0)){
5134 /* If disk, not U320, disable QAS
5136 if ((inq0
== 0) && (dv
.now
.factor
> MPT_ULTRA320
)) {
5137 hd
->ioc
->spi_data
.noQas
= MPT_TARGET_NO_NEGO_QAS
;
5138 ddvprintk((MYIOC_s_NOTE_FMT
5139 "noQas set due to id=%d has factor=%x\n", ioc
->name
, id
, dv
.now
.factor
));
5143 mptscsih_dv_parms(hd
, &dv
, (void *)pcfg1Data
);
5145 /* Double writes to SDP1 can cause problems,
5146 * skip save of the final negotiated settings to
5147 * SCSI device page 1.
5150 cfg.physAddr = cfg1_dma_addr;
5151 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
5153 mpt_config(hd->ioc, &cfg);
5157 /* If this is a RAID Passthrough, enable internal IOs
5159 if (iocmd
.flags
& MPT_ICFLAG_PHYS_DISK
) {
5160 if (mptscsih_do_raid(hd
, MPI_RAID_ACTION_ENABLE_PHYS_IO
, &iocmd
) < 0)
5161 ddvprintk((MYIOC_s_ERR_FMT
"RAID Enable FAILED!\n", ioc
->name
));
5164 /* Done with the DV scan of the current target
5167 pci_free_consistent(ioc
->pcidev
, dv_alloc
, pDvBuf
, dvbuf_dma
);
5169 ddvtprintk((MYIOC_s_INFO_FMT
"DV Done id=%d\n",
5175 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5176 /* mptscsih_dv_parms - perform a variety of operations on the
5177 * parameters used for negotiation.
5178 * @hd: Pointer to a SCSI host.
5179 * @dv: Pointer to a structure that contains the maximum and current
5180 * negotiated parameters.
5183 mptscsih_dv_parms(MPT_SCSI_HOST
*hd
, DVPARAMETERS
*dv
,void *pPage
)
5185 VirtDevice
*pTarget
;
5186 SCSIDevicePage0_t
*pPage0
;
5187 SCSIDevicePage1_t
*pPage1
;
5188 int val
= 0, data
, configuration
;
5197 case MPT_GET_NVRAM_VALS
:
5198 ddvprintk((MYIOC_s_NOTE_FMT
"Getting NVRAM: ",
5200 /* Get the NVRAM values and save in tmax
5201 * If not an LVD bus, the adapter minSyncFactor has been
5202 * already throttled back.
5204 if ((hd
->Targets
)&&((pTarget
= hd
->Targets
[(int)id
]) != NULL
) && !pTarget
->raidVolume
) {
5205 width
= pTarget
->maxWidth
;
5206 offset
= pTarget
->maxOffset
;
5207 factor
= pTarget
->minSyncFactor
;
5208 negoFlags
= pTarget
->negoFlags
;
5210 if (hd
->ioc
->spi_data
.nvram
&& (hd
->ioc
->spi_data
.nvram
[id
] != MPT_HOST_NVRAM_INVALID
)) {
5211 data
= hd
->ioc
->spi_data
.nvram
[id
];
5212 width
= data
& MPT_NVRAM_WIDE_DISABLE
? 0 : 1;
5213 if ((offset
= hd
->ioc
->spi_data
.maxSyncOffset
) == 0)
5216 factor
= (data
& MPT_NVRAM_SYNC_MASK
) >> MPT_NVRAM_SYNC_SHIFT
;
5217 if ((factor
== 0) || (factor
== MPT_ASYNC
)){
5228 /* Set the negotiation flags */
5229 negoFlags
= hd
->ioc
->spi_data
.noQas
;
5231 negoFlags
|= MPT_TARGET_NO_NEGO_WIDE
;
5234 negoFlags
|= MPT_TARGET_NO_NEGO_SYNC
;
5237 /* limit by adapter capabilities */
5238 width
= min(width
, hd
->ioc
->spi_data
.maxBusWidth
);
5239 offset
= min(offset
, hd
->ioc
->spi_data
.maxSyncOffset
);
5240 factor
= max(factor
, hd
->ioc
->spi_data
.minSyncFactor
);
5242 /* Check Consistency */
5243 if (offset
&& (factor
< MPT_ULTRA2
) && !width
)
5244 factor
= MPT_ULTRA2
;
5246 dv
->max
.width
= width
;
5247 dv
->max
.offset
= offset
;
5248 dv
->max
.factor
= factor
;
5249 dv
->max
.flags
= negoFlags
;
5250 ddvprintk((" id=%d width=%d factor=%x offset=%x flags=%x\n",
5251 id
, width
, factor
, offset
, negoFlags
));
5254 case MPT_UPDATE_MAX
:
5255 ddvprintk((MYIOC_s_NOTE_FMT
5256 "Updating with SDP0 Data: ", hd
->ioc
->name
));
5257 /* Update tmax values with those from Device Page 0.*/
5258 pPage0
= (SCSIDevicePage0_t
*) pPage
;
5260 val
= cpu_to_le32(pPage0
->NegotiatedParameters
);
5261 dv
->max
.width
= val
& MPI_SCSIDEVPAGE0_NP_WIDE
? 1 : 0;
5262 dv
->max
.offset
= (val
&MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK
) >> 16;
5263 dv
->max
.factor
= (val
&MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK
) >> 8;
5266 dv
->now
.width
= dv
->max
.width
;
5267 dv
->now
.offset
= dv
->max
.offset
;
5268 dv
->now
.factor
= dv
->max
.factor
;
5269 ddvprintk(("id=%d width=%d factor=%x offset=%x flags=%x\n",
5270 id
, dv
->now
.width
, dv
->now
.factor
, dv
->now
.offset
, dv
->now
.flags
));
5274 ddvprintk((MYIOC_s_NOTE_FMT
"Setting Max: ",
5276 /* Set current to the max values. Update the config page.*/
5277 dv
->now
.width
= dv
->max
.width
;
5278 dv
->now
.offset
= dv
->max
.offset
;
5279 dv
->now
.factor
= dv
->max
.factor
;
5280 dv
->now
.flags
= dv
->max
.flags
;
5282 pPage1
= (SCSIDevicePage1_t
*)pPage
;
5284 mptscsih_setDevicePage1Flags (dv
->now
.width
, dv
->now
.factor
,
5285 dv
->now
.offset
, &val
, &configuration
, dv
->now
.flags
);
5286 dnegoprintk(("Setting Max: id=%d width=%d factor=%x offset=%x negoFlags=%x request=%x config=%x\n",
5287 id
, dv
->now
.width
, dv
->now
.factor
, dv
->now
.offset
, dv
->now
.flags
, val
, configuration
));
5288 pPage1
->RequestedParameters
= le32_to_cpu(val
);
5289 pPage1
->Reserved
= 0;
5290 pPage1
->Configuration
= le32_to_cpu(configuration
);
5293 ddvprintk(("id=%d width=%d factor=%x offset=%x flags=%x request=%x configuration=%x\n",
5294 id
, dv
->now
.width
, dv
->now
.factor
, dv
->now
.offset
, dv
->now
.flags
, val
, configuration
));
5298 ddvprintk((MYIOC_s_NOTE_FMT
"Setting Min: ",
5300 /* Set page to asynchronous and narrow
5301 * Do not update now, breaks fallback routine. */
5305 negoFlags
= dv
->max
.flags
;
5307 pPage1
= (SCSIDevicePage1_t
*)pPage
;
5309 mptscsih_setDevicePage1Flags (width
, factor
,
5310 offset
, &val
, &configuration
, negoFlags
);
5311 dnegoprintk(("Setting Min: id=%d width=%d factor=%x offset=%x negoFlags=%x request=%x config=%x\n",
5312 id
, width
, factor
, offset
, negoFlags
, val
, configuration
));
5313 pPage1
->RequestedParameters
= le32_to_cpu(val
);
5314 pPage1
->Reserved
= 0;
5315 pPage1
->Configuration
= le32_to_cpu(configuration
);
5317 ddvprintk(("id=%d width=%d factor=%x offset=%x request=%x config=%x negoFlags=%x\n",
5318 id
, width
, factor
, offset
, val
, configuration
, negoFlags
));
5322 ddvprintk((MYIOC_s_NOTE_FMT
5323 "Fallback: Start: offset %d, factor %x, width %d \n",
5324 hd
->ioc
->name
, dv
->now
.offset
,
5325 dv
->now
.factor
, dv
->now
.width
));
5326 width
= dv
->now
.width
;
5327 offset
= dv
->now
.offset
;
5328 factor
= dv
->now
.factor
;
5329 if ((offset
) && (dv
->max
.width
)) {
5330 if (factor
< MPT_ULTRA160
)
5331 factor
= MPT_ULTRA160
;
5332 else if (factor
< MPT_ULTRA2
) {
5333 factor
= MPT_ULTRA2
;
5335 } else if ((factor
== MPT_ULTRA2
) && width
) {
5336 factor
= MPT_ULTRA2
;
5338 } else if (factor
< MPT_ULTRA
) {
5341 } else if ((factor
== MPT_ULTRA
) && width
) {
5343 } else if (factor
< MPT_FAST
) {
5346 } else if ((factor
== MPT_FAST
) && width
) {
5349 } else if (factor
< MPT_SCSI
) {
5352 } else if ((factor
== MPT_SCSI
) && width
) {
5360 } else if (offset
) {
5362 if (factor
< MPT_ULTRA
)
5364 else if (factor
< MPT_FAST
)
5366 else if (factor
< MPT_SCSI
)
5377 dv
->max
.flags
|= MPT_TARGET_NO_NEGO_QAS
;
5378 dv
->max
.flags
&= ~MPT_TAPE_NEGO_IDP
;
5380 dv
->now
.width
= width
;
5381 dv
->now
.offset
= offset
;
5382 dv
->now
.factor
= factor
;
5383 dv
->now
.flags
= dv
->max
.flags
;
5385 pPage1
= (SCSIDevicePage1_t
*)pPage
;
5387 mptscsih_setDevicePage1Flags (width
, factor
, offset
, &val
,
5388 &configuration
, dv
->now
.flags
);
5389 dnegoprintk(("Finish: id=%d width=%d offset=%d factor=%x flags=%x request=%x config=%x\n",
5390 id
, width
, offset
, factor
, dv
->now
.flags
, val
, configuration
));
5392 pPage1
->RequestedParameters
= le32_to_cpu(val
);
5393 pPage1
->Reserved
= 0;
5394 pPage1
->Configuration
= le32_to_cpu(configuration
);
5397 ddvprintk(("Finish: id=%d offset=%d factor=%x width=%d request=%x config=%x\n",
5398 id
, dv
->now
.offset
, dv
->now
.factor
, dv
->now
.width
, val
, configuration
));
5402 ddvprintk((MYIOC_s_NOTE_FMT
5403 "Saving to Target structure: ", hd
->ioc
->name
));
5404 ddvprintk(("id=%d width=%x factor=%x offset=%d flags=%x\n",
5405 id
, dv
->now
.width
, dv
->now
.factor
, dv
->now
.offset
, dv
->now
.flags
));
5407 /* Save these values to target structures
5408 * or overwrite nvram (phys disks only).
5411 if ((hd
->Targets
)&&((pTarget
= hd
->Targets
[(int)id
]) != NULL
) && !pTarget
->raidVolume
) {
5412 pTarget
->maxWidth
= dv
->now
.width
;
5413 pTarget
->maxOffset
= dv
->now
.offset
;
5414 pTarget
->minSyncFactor
= dv
->now
.factor
;
5415 pTarget
->negoFlags
= dv
->now
.flags
;
5417 /* Preserv all flags, use
5418 * read-modify-write algorithm
5420 if (hd
->ioc
->spi_data
.nvram
) {
5421 data
= hd
->ioc
->spi_data
.nvram
[id
];
5424 data
&= ~MPT_NVRAM_WIDE_DISABLE
;
5426 data
|= MPT_NVRAM_WIDE_DISABLE
;
5428 if (!dv
->now
.offset
)
5431 data
&= ~MPT_NVRAM_SYNC_MASK
;
5432 data
|= (dv
->now
.factor
<< MPT_NVRAM_SYNC_SHIFT
) & MPT_NVRAM_SYNC_MASK
;
5434 hd
->ioc
->spi_data
.nvram
[id
] = data
;
5441 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5442 /* mptscsih_fillbuf - fill a buffer with a special data pattern
5443 * cleanup. For bus scan only.
5445 * @buffer: Pointer to data buffer to be filled.
5446 * @size: Number of bytes to fill
5447 * @index: Pattern index
5448 * @width: bus width, 0 (8 bits) or 1 (16 bits)
5451 mptscsih_fillbuf(char *buffer
, int size
, int index
, int width
)
5462 /* Pattern: 0000 FFFF 0000 FFFF
5464 for (ii
=0; ii
< size
; ii
++, ptr
++) {
5471 /* Pattern: 00 FF 00 FF
5473 for (ii
=0; ii
< size
; ii
++, ptr
++) {
5484 /* Pattern: 5555 AAAA 5555 AAAA 5555
5486 for (ii
=0; ii
< size
; ii
++, ptr
++) {
5493 /* Pattern: 55 AA 55 AA 55
5495 for (ii
=0; ii
< size
; ii
++, ptr
++) {
5505 /* Pattern: 00 01 02 03 04 05
5508 for (ii
=0; ii
< size
; ii
++, ptr
++)
5514 /* Wide Pattern: FFFE 0001 FFFD 0002
5515 * ... 4000 DFFF 8000 EFFF
5518 for (ii
=0; ii
< size
/2; ii
++) {
5519 /* Create the base pattern
5522 /* every 64 (0x40) bytes flip the pattern
5523 * since we fill 2 bytes / iteration,
5524 * test for ii = 0x20
5530 *ptr
= (char)( (val
& 0xFF00) >> 8);
5532 *ptr
= (char)(val
& 0xFF);
5537 *ptr
= (char)( (val
& 0xFF00) >> 8);
5539 *ptr
= (char)(val
& 0xFF);
5545 /* Narrow Pattern: FE 01 FD 02 FB 04
5546 * .. 7F 80 01 FE 02 FD ... 80 7F
5549 for (ii
=0; ii
< size
; ii
++, ptr
++) {
5550 /* Base pattern - first 32 bytes
5557 *ptr
= (char) (~(1 << byte
));
5560 /* Flip the pattern every 32 bytes
5569 #endif /* ~MPTSCSIH_ENABLE_DOMAIN_VALIDATION */
5571 EXPORT_SYMBOL(mptscsih_remove
);
5572 EXPORT_SYMBOL(mptscsih_shutdown
);
5574 EXPORT_SYMBOL(mptscsih_suspend
);
5575 EXPORT_SYMBOL(mptscsih_resume
);
5577 EXPORT_SYMBOL(mptscsih_proc_info
);
5578 EXPORT_SYMBOL(mptscsih_info
);
5579 EXPORT_SYMBOL(mptscsih_qcmd
);
5580 EXPORT_SYMBOL(mptscsih_slave_alloc
);
5581 EXPORT_SYMBOL(mptscsih_slave_destroy
);
5582 EXPORT_SYMBOL(mptscsih_slave_configure
);
5583 EXPORT_SYMBOL(mptscsih_abort
);
5584 EXPORT_SYMBOL(mptscsih_dev_reset
);
5585 EXPORT_SYMBOL(mptscsih_bus_reset
);
5586 EXPORT_SYMBOL(mptscsih_host_reset
);
5587 EXPORT_SYMBOL(mptscsih_bios_param
);
5588 EXPORT_SYMBOL(mptscsih_io_done
);
5589 EXPORT_SYMBOL(mptscsih_taskmgmt_complete
);
5590 EXPORT_SYMBOL(mptscsih_scandv_complete
);
5591 EXPORT_SYMBOL(mptscsih_event_process
);
5592 EXPORT_SYMBOL(mptscsih_ioc_reset
);
5593 EXPORT_SYMBOL(mptscsih_store_queue_depth
);
5594 EXPORT_SYMBOL(mptscsih_timer_expired
);
5596 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/