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scsi: mptscsih: Remove bogus interpretation of request->ioprio
[mirror_ubuntu-zesty-kernel.git] / drivers / message / fusion / mptscsih.c
CommitLineData
1da177e4
LT		 1/*
2 * linux/drivers/message/fusion/mptscsih.c
f36789e2
PS		 3 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
1da177e4 5 *
cddc0ab7 6 * Copyright (c) 1999-2008 LSI Corporation
16d20101 7 * (mailto:DL-MPTFusionLinux@lsi.com)
1da177e4 8 *
1da177e4
LT		 9 */
10/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
11/*
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.
15
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.
20
21 NO WARRANTY
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.
31
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
40
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
44*/
45/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
46
1da177e4
LT		 47#include <linux/module.h>
48#include <linux/kernel.h>
5a0e3ad6 49#include <linux/slab.h>
1da177e4
LT		 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 */
1da177e4
LT		 57#include <linux/workqueue.h>
58
59#include <scsi/scsi.h>
60#include <scsi/scsi_cmnd.h>
61#include <scsi/scsi_device.h>
62#include <scsi/scsi_host.h>
63#include <scsi/scsi_tcq.h>
e0fc15be 64#include <scsi/scsi_dbg.h>
1da177e4
LT		 65
66#include "mptbase.h"
67#include "mptscsih.h"
bf451522 68#include "lsi/mpi_log_sas.h"
1da177e4
LT		 69
70/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
71#define my_NAME "Fusion MPT SCSI Host driver"
72#define my_VERSION MPT_LINUX_VERSION_COMMON
73#define MYNAM "mptscsih"
74
75MODULE_AUTHOR(MODULEAUTHOR);
76MODULE_DESCRIPTION(my_NAME);
77MODULE_LICENSE("GPL");
9f4203b3 78MODULE_VERSION(my_VERSION);
1da177e4 79
1da177e4 80/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1da177e4
LT		 81/*
82 * Other private/forward protos...
83 */
db7051b2 84struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
e8206381
EM		 85static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
86static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
87static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
0d0c7974 88int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
1da177e4 89static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
0d0c7974 90int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
1da177e4
LT		 91
92static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
93 SCSIIORequest_t *pReq, int req_idx);
94static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
0d0c7974 95static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
1da177e4 96
1ba9ab2e 97int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
9cb78c16 98 u64 lun, int ctx2abort, ulong timeout);
1da177e4 99
0d0c7974
MED		 100int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
101int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
1da177e4 102
e7deff33 103void
1ba9ab2e 104mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
37c60f37
KD		 105static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
106 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
0d0c7974 107int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
1da177e4 108static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
c7c82987 109static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
1da177e4 110
1ba9ab2e
KD		 111static int
112mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
113 SCSITaskMgmtReply_t *pScsiTmReply);
0d0c7974 114void mptscsih_remove(struct pci_dev *);
d18c3db5 115void mptscsih_shutdown(struct pci_dev *);
1da177e4 116#ifdef CONFIG_PM
0d0c7974
MED		 117int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
118int mptscsih_resume(struct pci_dev *pdev);
1da177e4
LT		 119#endif
120
b80ca4f7 121#define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE
1da177e4 122
1da177e4
LT		 123
124/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
125/*
126 * mptscsih_getFreeChainBuffer - Function to get a free chain
127 * from the MPT_SCSI_HOST FreeChainQ.
128 * @ioc: Pointer to MPT_ADAPTER structure
129 * @req_idx: Index of the SCSI IO request frame. (output)
130 *
131 * return SUCCESS or FAILED
132 */
133static inline int
134mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
135{
136 MPT_FRAME_HDR *chainBuf;
137 unsigned long flags;
138 int rc;
139 int chain_idx;
140
6757d6b4 141 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
29dd3609 142 ioc->name));
1da177e4
LT		 143 spin_lock_irqsave(&ioc->FreeQlock, flags);
144 if (!list_empty(&ioc->FreeChainQ)) {
145 int offset;
146
147 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
148 u.frame.linkage.list);
149 list_del(&chainBuf->u.frame.linkage.list);
150 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
151 chain_idx = offset / ioc->req_sz;
152 rc = SUCCESS;
29dd3609
EM		 153 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
154 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
155 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
1da177e4
LT		 156 } else {
157 rc = FAILED;
158 chain_idx = MPT_HOST_NO_CHAIN;
29dd3609
EM		 159 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
160 ioc->name));
1da177e4
LT		 161 }
162 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
163
164 *retIndex = chain_idx;
165 return rc;
166} /* mptscsih_getFreeChainBuffer() */
167
168/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
169/*
170 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
171 * SCSIIORequest_t Message Frame.
172 * @ioc: Pointer to MPT_ADAPTER structure
173 * @SCpnt: Pointer to scsi_cmnd structure
174 * @pReq: Pointer to SCSIIORequest_t structure
175 *
176 * Returns ...
177 */
178static int
179mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
180 SCSIIORequest_t *pReq, int req_idx)
181{
182 char *psge;
183 char *chainSge;
184 struct scatterlist *sg;
185 int frm_sz;
186 int sges_left, sg_done;
187 int chain_idx = MPT_HOST_NO_CHAIN;
188 int sgeOffset;
189 int numSgeSlots, numSgeThisFrame;
190 u32 sgflags, sgdir, thisxfer = 0;
191 int chain_dma_off = 0;
192 int newIndex;
193 int ii;
194 dma_addr_t v2;
195 u32 RequestNB;
196
197 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
198 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
199 sgdir = MPT_TRANSFER_HOST_TO_IOC;
200 } else {
201 sgdir = MPT_TRANSFER_IOC_TO_HOST;
202 }
203
204 psge = (char *) &pReq->SGL;
205 frm_sz = ioc->req_sz;
206
207 /* Map the data portion, if any.
208 * sges_left = 0 if no data transfer.
209 */
1928d73f
FT		 210 sges_left = scsi_dma_map(SCpnt);
211 if (sges_left < 0)
212 return FAILED;
1da177e4
LT		 213
214 /* Handle the SG case.
215 */
1928d73f 216 sg = scsi_sglist(SCpnt);
1da177e4
LT		 217 sg_done = 0;
218 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
219 chainSge = NULL;
220
221 /* Prior to entering this loop - the following must be set
222 * current MF: sgeOffset (bytes)
223 * chainSge (Null if original MF is not a chain buffer)
224 * sg_done (num SGE done for this MF)
225 */
226
227nextSGEset:
14d0f0b0 228 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
1da177e4
LT		 229 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
230
14d0f0b0 231 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
1da177e4
LT		 232
233 /* Get first (num - 1) SG elements
234 * Skip any SG entries with a length of 0
235 * NOTE: at finish, sg and psge pointed to NEXT data/location positions
236 */
237 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
238 thisxfer = sg_dma_len(sg);
239 if (thisxfer == 0) {
2f187862
KD		 240 /* Get next SG element from the OS */
241 sg = sg_next(sg);
1da177e4
LT		 242 sg_done++;
243 continue;
244 }
245
246 v2 = sg_dma_address(sg);
14d0f0b0 247 ioc->add_sge(psge, sgflags | thisxfer, v2);
1da177e4 248
2f187862
KD		 249 /* Get next SG element from the OS */
250 sg = sg_next(sg);
14d0f0b0
KD		 251 psge += ioc->SGE_size;
252 sgeOffset += ioc->SGE_size;
1da177e4
LT		 253 sg_done++;
254 }
255
256 if (numSgeThisFrame == sges_left) {
257 /* Add last element, end of buffer and end of list flags.
258 */
259 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
260 MPT_SGE_FLAGS_END_OF_BUFFER |
261 MPT_SGE_FLAGS_END_OF_LIST;
262
263 /* Add last SGE and set termination flags.
264 * Note: Last SGE may have a length of 0 - which should be ok.
265 */
266 thisxfer = sg_dma_len(sg);
267
268 v2 = sg_dma_address(sg);
14d0f0b0
KD		 269 ioc->add_sge(psge, sgflags | thisxfer, v2);
270 sgeOffset += ioc->SGE_size;
1da177e4
LT		 271 sg_done++;
272
273 if (chainSge) {
274 /* The current buffer is a chain buffer,
275 * but there is not another one.
276 * Update the chain element
277 * Offset and Length fields.
278 */
14d0f0b0
KD		 279 ioc->add_chain((char *)chainSge, 0, sgeOffset,
280 ioc->ChainBufferDMA + chain_dma_off);
1da177e4
LT		 281 } else {
282 /* The current buffer is the original MF
283 * and there is no Chain buffer.
284 */
285 pReq->ChainOffset = 0;
286 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
6757d6b4 287 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1da177e4
LT		 288 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
289 ioc->RequestNB[req_idx] = RequestNB;
290 }
291 } else {
292 /* At least one chain buffer is needed.
293 * Complete the first MF
294 * - last SGE element, set the LastElement bit
295 * - set ChainOffset (words) for orig MF
296 * (OR finish previous MF chain buffer)
297 * - update MFStructPtr ChainIndex
298 * - Populate chain element
299 * Also
300 * Loop until done.
301 */
302
6757d6b4 303 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
1da177e4
LT		 304 ioc->name, sg_done));
305
306 /* Set LAST_ELEMENT flag for last non-chain element
307 * in the buffer. Since psge points at the NEXT
308 * SGE element, go back one SGE element, update the flags
309 * and reset the pointer. (Note: sgflags & thisxfer are already
310 * set properly).
311 */
312 if (sg_done) {
14d0f0b0 313 u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
1da177e4
LT		 314 sgflags = le32_to_cpu(*ptmp);
315 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
316 *ptmp = cpu_to_le32(sgflags);
317 }
318
319 if (chainSge) {
320 /* The current buffer is a chain buffer.
321 * chainSge points to the previous Chain Element.
322 * Update its chain element Offset and Length (must
323 * include chain element size) fields.
324 * Old chain element is now complete.
325 */
326 u8 nextChain = (u8) (sgeOffset >> 2);
14d0f0b0
KD		 327 sgeOffset += ioc->SGE_size;
328 ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
329 ioc->ChainBufferDMA + chain_dma_off);
1da177e4
LT		 330 } else {
331 /* The original MF buffer requires a chain buffer -
332 * set the offset.
333 * Last element in this MF is a chain element.
334 */
335 pReq->ChainOffset = (u8) (sgeOffset >> 2);
336 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
6757d6b4 337 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
1da177e4
LT		 338 ioc->RequestNB[req_idx] = RequestNB;
339 }
340
341 sges_left -= sg_done;
342
343
344 /* NOTE: psge points to the beginning of the chain element
345 * in current buffer. Get a chain buffer.
346 */
c6678e0c 347 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
6757d6b4 348 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
c6678e0c
CH		 349 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
350 ioc->name, pReq->CDB[0], SCpnt));
1da177e4 351 return FAILED;
c6678e0c 352 }
1da177e4
LT		 353
354 /* Update the tracking arrays.
355 * If chainSge == NULL, update ReqToChain, else ChainToChain
356 */
357 if (chainSge) {
358 ioc->ChainToChain[chain_idx] = newIndex;
359 } else {
360 ioc->ReqToChain[req_idx] = newIndex;
361 }
362 chain_idx = newIndex;
363 chain_dma_off = ioc->req_sz * chain_idx;
364
365 /* Populate the chainSGE for the current buffer.
366 * - Set chain buffer pointer to psge and fill
367 * out the Address and Flags fields.
368 */
369 chainSge = (char *) psge;
29dd3609
EM		 370 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
371 ioc->name, psge, req_idx));
1da177e4
LT		 372
373 /* Start the SGE for the next buffer
374 */
375 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
376 sgeOffset = 0;
377 sg_done = 0;
378
29dd3609
EM		 379 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
380 ioc->name, psge, chain_idx));
1da177e4
LT		 381
382 /* Start the SGE for the next buffer
383 */
384
385 goto nextSGEset;
386 }
387
388 return SUCCESS;
389} /* mptscsih_AddSGE() */
390
786899b0
EM		 391static void
392mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
393 U32 SlotStatus)
394{
395 MPT_FRAME_HDR *mf;
396 SEPRequest_t *SEPMsg;
397
cc78d30a
EM		 398 if (ioc->bus_type != SAS)
399 return;
400
401 /* Not supported for hidden raid components
402 */
403 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
786899b0
EM		 404 return;
405
406 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
6757d6b4 407 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
cadbd4a5 408 ioc->name,__func__));
786899b0
EM		 409 return;
410 }
411
412 SEPMsg = (SEPRequest_t *)mf;
413 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
793955f5
EM		 414 SEPMsg->Bus = vtarget->channel;
415 SEPMsg->TargetID = vtarget->id;
786899b0
EM		 416 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
417 SEPMsg->SlotStatus = SlotStatus;
6757d6b4 418 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
793955f5
EM		 419 "Sending SEP cmd=%x channel=%d id=%d\n",
420 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
786899b0
EM		 421 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
422}
423
6757d6b4 424#ifdef CONFIG_FUSION_LOGGING
c6c727a1 425/**
6757d6b4 426 * mptscsih_info_scsiio - debug print info on reply frame
c6c727a1 427 * @ioc: Pointer to MPT_ADAPTER structure
c6c727a1 428 * @sc: original scsi cmnd pointer
6757d6b4
PS		 429 * @pScsiReply: Pointer to MPT reply frame
430 *
431 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
c6c727a1
EM		 432 *
433 * Refer to lsi/mpi.h.
434 **/
435static void
6757d6b4 436mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
c6c727a1 437{
6757d6b4
PS		 438 char *desc = NULL;
439 char *desc1 = NULL;
440 u16 ioc_status;
441 u8 skey, asc, ascq;
442
443 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
c6c727a1
EM		 444
445 switch (ioc_status) {
446
6757d6b4
PS		 447 case MPI_IOCSTATUS_SUCCESS:
448 desc = "success";
c6c727a1 449 break;
6757d6b4
PS		 450 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
451 desc = "invalid bus";
c6c727a1 452 break;
6757d6b4
PS		 453 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
454 desc = "invalid target_id";
c6c727a1 455 break;
6757d6b4
PS		 456 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
457 desc = "device not there";
c6c727a1 458 break;
6757d6b4
PS		 459 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
460 desc = "data overrun";
c6c727a1 461 break;
6757d6b4
PS		 462 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
463 desc = "data underrun";
c6c727a1 464 break;
6757d6b4
PS		 465 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
466 desc = "I/O data error";
c6c727a1 467 break;
6757d6b4
PS		 468 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
469 desc = "protocol error";
c6c727a1 470 break;
6757d6b4
PS		 471 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
472 desc = "task terminated";
c6c727a1 473 break;
6757d6b4
PS		 474 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
475 desc = "residual mismatch";
476 break;
477 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
478 desc = "task management failed";
479 break;
480 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
481 desc = "IOC terminated";
482 break;
483 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
484 desc = "ext terminated";
c6c727a1 485 break;
6757d6b4
PS		 486 default:
487 desc = "";
488 break;
489 }
490
491 switch (pScsiReply->SCSIStatus)
492 {
c6c727a1 493
6757d6b4
PS		 494 case MPI_SCSI_STATUS_SUCCESS:
495 desc1 = "success";
496 break;
497 case MPI_SCSI_STATUS_CHECK_CONDITION:
498 desc1 = "check condition";
499 break;
500 case MPI_SCSI_STATUS_CONDITION_MET:
501 desc1 = "condition met";
502 break;
503 case MPI_SCSI_STATUS_BUSY:
504 desc1 = "busy";
505 break;
506 case MPI_SCSI_STATUS_INTERMEDIATE:
507 desc1 = "intermediate";
508 break;
509 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
510 desc1 = "intermediate condmet";
511 break;
512 case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
513 desc1 = "reservation conflict";
514 break;
515 case MPI_SCSI_STATUS_COMMAND_TERMINATED:
516 desc1 = "command terminated";
517 break;
518 case MPI_SCSI_STATUS_TASK_SET_FULL:
519 desc1 = "task set full";
520 break;
521 case MPI_SCSI_STATUS_ACA_ACTIVE:
522 desc1 = "aca active";
523 break;
524 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
525 desc1 = "fcpext device logged out";
526 break;
527 case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
528 desc1 = "fcpext no link";
529 break;
530 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
531 desc1 = "fcpext unassigned";
532 break;
533 default:
534 desc1 = "";
c6c727a1
EM		 535 break;
536 }
537
6757d6b4 538 scsi_print_command(sc);
9cb78c16 539 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %llu\n",
2f187862 540 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
29dd3609
EM		 541 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
542 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
543 scsi_get_resid(sc));
544 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
545 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
6757d6b4 546 le32_to_cpu(pScsiReply->TransferCount), sc->result);
2f187862 547
29dd3609 548 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
6757d6b4 549 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
29dd3609 550 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
6757d6b4 551 pScsiReply->SCSIState);
c6c727a1 552
6757d6b4
PS		 553 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
554 skey = sc->sense_buffer[2] & 0x0F;
555 asc = sc->sense_buffer[12];
556 ascq = sc->sense_buffer[13];
557
29dd3609
EM		 558 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
559 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
6757d6b4
PS		 560 }
561
562 /*
563 * Look for + dump FCP ResponseInfo[]!
564 */
565 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
566 pScsiReply->ResponseInfo)
29dd3609
EM		 567 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
568 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
c6c727a1
EM		 569}
570#endif
571
1da177e4
LT		 572/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
573/*
574 * mptscsih_io_done - Main SCSI IO callback routine registered to
575 * Fusion MPT (base) driver
576 * @ioc: Pointer to MPT_ADAPTER structure
577 * @mf: Pointer to original MPT request frame
578 * @r: Pointer to MPT reply frame (NULL if TurboReply)
579 *
580 * This routine is called from mpt.c::mpt_interrupt() at the completion
581 * of any SCSI IO request.
582 * This routine is registered with the Fusion MPT (base) driver at driver
583 * load/init time via the mpt_register() API call.
584 *
585 * Returns 1 indicating alloc'd request frame ptr should be freed.
586 */
0d0c7974 587int
1da177e4
LT		 588mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
589{
590 struct scsi_cmnd *sc;
591 MPT_SCSI_HOST *hd;
592 SCSIIORequest_t *pScsiReq;
593 SCSIIOReply_t *pScsiReply;
2254c86d 594 u16 req_idx, req_idx_MR;
a69de507 595 VirtDevice *vdevice;
786899b0 596 VirtTarget *vtarget;
1da177e4 597
e7eae9f6 598 hd = shost_priv(ioc->sh);
1da177e4 599 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2254c86d
ME		 600 req_idx_MR = (mr != NULL) ?
601 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
2f187862
KD		 602
603 /* Special case, where already freed message frame is received from
604 * Firmware. It happens with Resetting IOC.
605 * Return immediately. Do not care
606 */
2254c86d 607 if ((req_idx != req_idx_MR) ||
2f187862 608 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
2254c86d 609 return 0;
2254c86d 610
e8206381 611 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
1da177e4
LT		 612 if (sc == NULL) {
613 MPIHeader_t *hdr = (MPIHeader_t *)mf;
614
615 /* Remark: writeSDP1 will use the ScsiDoneCtx
616 * If a SCSI I/O cmd, device disabled by OS and
617 * completion done. Cannot touch sc struct. Just free mem.
618 */
619 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
620 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
621 ioc->name);
622
623 mptscsih_freeChainBuffers(ioc, req_idx);
624 return 1;
625 }
626
3dc0b03f
EM		 627 if ((unsigned char *)mf != sc->host_scribble) {
628 mptscsih_freeChainBuffers(ioc, req_idx);
629 return 1;
630 }
631
fea98403
KD		 632 if (ioc->bus_type == SAS) {
633 VirtDevice *vdevice = sc->device->hostdata;
634
635 if (!vdevice || !vdevice->vtarget ||
636 vdevice->vtarget->deleted) {
637 sc->result = DID_NO_CONNECT << 16;
638 goto out;
639 }
640 }
641
3dc0b03f 642 sc->host_scribble = NULL;
1da177e4
LT		 643 sc->result = DID_OK << 16; /* Set default reply as OK */
644 pScsiReq = (SCSIIORequest_t *) mf;
645 pScsiReply = (SCSIIOReply_t *) mr;
646
c6678e0c 647 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
6757d6b4 648 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
c6678e0c
CH		 649 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
650 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
651 }else{
6757d6b4 652 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
c6678e0c
CH		 653 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
654 ioc->name, mf, mr, sc, req_idx));
655 }
656
1da177e4
LT		 657 if (pScsiReply == NULL) {
658 /* special context reply handling */
659 ;
660 } else {
661 u32 xfer_cnt;
662 u16 status;
663 u8 scsi_state, scsi_status;
c6c727a1 664 u32 log_info;
1da177e4
LT		 665
666 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
c9de7dc4 667
1da177e4
LT		 668 scsi_state = pScsiReply->SCSIState;
669 scsi_status = pScsiReply->SCSIStatus;
670 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
1928d73f 671 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
c6c727a1 672 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
1da177e4 673
466544d8
MED		 674 /*
675 * if we get a data underrun indication, yet no data was
676 * transferred and the SCSI status indicates that the
677 * command was never started, change the data underrun
678 * to success
679 */
680 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
681 (scsi_status == MPI_SCSI_STATUS_BUSY ||
682 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
683 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
684 status = MPI_IOCSTATUS_SUCCESS;
685 }
686
1da177e4 687 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
0d0c7974
MED		 688 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
689
1da177e4
LT		 690 /*
691 * Look for + dump FCP ResponseInfo[]!
692 */
466544d8
MED		 693 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
694 pScsiReply->ResponseInfo) {
9cb78c16 695 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%llu] "
29dd3609 696 "FCP_ResponseInfo=%08xh\n", ioc->name,
c6c727a1
EM		 697 sc->device->host->host_no, sc->device->channel,
698 sc->device->id, sc->device->lun,
1da177e4
LT		 699 le32_to_cpu(pScsiReply->ResponseInfo));
700 }
701
702 switch(status) {
703 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
d23321b4 704 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
1da177e4
LT		 705 /* CHECKME!
706 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
707 * But not: DID_BUS_BUSY lest one risk
708 * killing interrupt handler:-(
709 */
710 sc->result = SAM_STAT_BUSY;
711 break;
712
713 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
714 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
715 sc->result = DID_BAD_TARGET << 16;
716 break;
717
718 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
719 /* Spoof to SCSI Selection Timeout! */
65207fed
ME		 720 if (ioc->bus_type != FC)
721 sc->result = DID_NO_CONNECT << 16;
722 /* else fibre, just stall until rescan event */
723 else
724 sc->result = DID_REQUEUE << 16;
1da177e4
LT		 725
726 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
727 hd->sel_timeout[pScsiReq->TargetID]++;
786899b0 728
a69de507
EM		 729 vdevice = sc->device->hostdata;
730 if (!vdevice)
786899b0 731 break;
a69de507 732 vtarget = vdevice->vtarget;
786899b0
EM		 733 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
734 mptscsih_issue_sep_command(ioc, vtarget,
735 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
736 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
737 }
1da177e4
LT		 738 break;
739
1da177e4 740 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
bf451522 741 if ( ioc->bus_type == SAS ) {
c9de7dc4
KD		 742 u16 ioc_status =
743 le16_to_cpu(pScsiReply->IOCStatus);
744 if ((ioc_status &
745 MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
746 &&
747 ((log_info & SAS_LOGINFO_MASK) ==
748 SAS_LOGINFO_NEXUS_LOSS)) {
749 VirtDevice *vdevice =
750 sc->device->hostdata;
751
752 /* flag the device as being in
753 * device removal delay so we can
754 * notify the midlayer to hold off
755 * on timeout eh */
756 if (vdevice && vdevice->
757 vtarget &&
758 vdevice->vtarget->
759 raidVolume)
760 printk(KERN_INFO
761 "Skipping Raid Volume"
762 "for inDMD\n");
763 else if (vdevice &&
764 vdevice->vtarget)
765 vdevice->vtarget->
766 inDMD = 1;
767
768 sc->result =
769 (DID_TRANSPORT_DISRUPTED
770 << 16);
771 break;
bf451522 772 }
86dd4242
EM		 773 } else if (ioc->bus_type == FC) {
774 /*
775 * The FC IOC may kill a request for variety of
776 * reasons, some of which may be recovered by a
777 * retry, some which are unlikely to be
778 * recovered. Return DID_ERROR instead of
779 * DID_RESET to permit retry of the command,
780 * just not an infinite number of them
781 */
782 sc->result = DID_ERROR << 16;
783 break;
bf451522
EM		 784 }
785
786 /*
787 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
788 */
789
790 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
1da177e4
LT		 791 /* Linux handles an unsolicited DID_RESET better
792 * than an unsolicited DID_ABORT.
793 */
794 sc->result = DID_RESET << 16;
3012d60b 795 break;
1da177e4 796
2f187862
KD		 797 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
798 if (ioc->bus_type == FC)
799 sc->result = DID_ERROR << 16;
800 else
801 sc->result = DID_RESET << 16;
1da177e4
LT		 802 break;
803
804 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
1928d73f 805 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
466544d8
MED		 806 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
807 sc->result=DID_SOFT_ERROR << 16;
808 else /* Sufficient data transfer occurred */
1da177e4 809 sc->result = (DID_OK << 16) | scsi_status;
29dd3609 810 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
c6c727a1 811 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
29dd3609 812 ioc->name, sc->result, sc->device->channel, sc->device->id));
1da177e4 813 break;
0d0c7974 814
1da177e4
LT		 815 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
816 /*
817 * Do upfront check for valid SenseData and give it
818 * precedence!
819 */
820 sc->result = (DID_OK << 16) | scsi_status;
9b53b392
KD		 821 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
822
823 /*
824 * For an Errata on LSI53C1030
825 * When the length of request data
826 * and transfer data are different
827 * with result of command (READ or VERIFY),
828 * DID_SOFT_ERROR is set.
1da177e4 829 */
9b53b392 830 if (ioc->bus_type == SPI) {
e466e1c6 831 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
9b53b392
KD		 832 pScsiReq->CDB[0] == READ_10 ||
833 pScsiReq->CDB[0] == READ_12 ||
513382c9 834 (pScsiReq->CDB[0] == READ_16 &&
835 ((pScsiReq->CDB[1] & 0x02) == 0)) ||
9b53b392
KD		 836 pScsiReq->CDB[0] == VERIFY ||
837 pScsiReq->CDB[0] == VERIFY_16) {
838 if (scsi_bufflen(sc) !=
839 xfer_cnt) {
840 sc->result =
841 DID_SOFT_ERROR << 16;
842 printk(KERN_WARNING "Errata"
843 "on LSI53C1030 occurred."
844 "sc->req_bufflen=0x%02x,"
845 "xfer_cnt=0x%02x\n",
846 scsi_bufflen(sc),
847 xfer_cnt);
848 }
849 }
850 }
851
1da177e4 852 if (xfer_cnt < sc->underflow) {
466544d8
MED		 853 if (scsi_status == SAM_STAT_BUSY)
854 sc->result = SAM_STAT_BUSY;
855 else
856 sc->result = DID_SOFT_ERROR << 16;
1da177e4
LT		 857 }
858 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
859 /* What to do?
860 */
861 sc->result = DID_SOFT_ERROR << 16;
862 }
863 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
864 /* Not real sure here either... */
865 sc->result = DID_RESET << 16;
866 }
867 }
868
6757d6b4 869
29dd3609
EM		 870 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
871 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
872 ioc->name, sc->underflow));
873 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
874 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
6757d6b4 875
1da177e4
LT		 876 /* Report Queue Full
877 */
878 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
879 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
0d0c7974 880
1da177e4
LT		 881 break;
882
7e55147f 883 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
1928d73f 884 scsi_set_resid(sc, 0);
1da177e4
LT		 885 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
886 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
ad8c31bb 887 sc->result = (DID_OK << 16) | scsi_status;
1da177e4
LT		 888 if (scsi_state == 0) {
889 ;
9b53b392
KD		 890 } else if (scsi_state &
891 MPI_SCSI_STATE_AUTOSENSE_VALID) {
892
893 /*
894 * For potential trouble on LSI53C1030.
895 * (date:2007.xx.)
896 * It is checked whether the length of
897 * request data is equal to
898 * the length of transfer and residual.
899 * MEDIUM_ERROR is set by incorrect data.
900 */
901 if ((ioc->bus_type == SPI) &&
902 (sc->sense_buffer[2] & 0x20)) {
903 u32 difftransfer;
904 difftransfer =
905 sc->sense_buffer[3] << 24 |
906 sc->sense_buffer[4] << 16 |
907 sc->sense_buffer[5] << 8 |
908 sc->sense_buffer[6];
909 if (((sc->sense_buffer[3] & 0x80) ==
910 0x80) && (scsi_bufflen(sc)
911 != xfer_cnt)) {
912 sc->sense_buffer[2] =
913 MEDIUM_ERROR;
914 sc->sense_buffer[12] = 0xff;
915 sc->sense_buffer[13] = 0xff;
916 printk(KERN_WARNING"Errata"
917 "on LSI53C1030 occurred."
918 "sc->req_bufflen=0x%02x,"
919 "xfer_cnt=0x%02x\n" ,
920 scsi_bufflen(sc),
921 xfer_cnt);
922 }
923 if (((sc->sense_buffer[3] & 0x80)
924 != 0x80) &&
925 (scsi_bufflen(sc) !=
926 xfer_cnt + difftransfer)) {
927 sc->sense_buffer[2] =
928 MEDIUM_ERROR;
929 sc->sense_buffer[12] = 0xff;
930 sc->sense_buffer[13] = 0xff;
931 printk(KERN_WARNING
932 "Errata on LSI53C1030 occurred"
933 "sc->req_bufflen=0x%02x,"
934 " xfer_cnt=0x%02x,"
935 "difftransfer=0x%02x\n",
936 scsi_bufflen(sc),
937 xfer_cnt,
938 difftransfer);
939 }
940 }
941
1da177e4
LT		 942 /*
943 * If running against circa 200003dd 909 MPT f/w,
944 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
945 * (QUEUE_FULL) returned from device! --> get 0x0000?128
946 * and with SenseBytes set to 0.
947 */
948 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
949 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
950
951 }
952 else if (scsi_state &
953 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
954 ) {
955 /*
956 * What to do?
957 */
958 sc->result = DID_SOFT_ERROR << 16;
959 }
960 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
961 /* Not real sure here either... */
962 sc->result = DID_RESET << 16;
963 }
964 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
965 /* Device Inq. data indicates that it supports
966 * QTags, but rejects QTag messages.
967 * This command completed OK.
968 *
969 * Not real sure here either so do nothing... */
970 }
971
972 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
973 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
974
975 /* Add handling of:
976 * Reservation Conflict, Busy,
977 * Command Terminated, CHECK
978 */
979 break;
980
981 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
982 sc->result = DID_SOFT_ERROR << 16;
983 break;
984
985 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
986 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
987 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
988 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
1da177e4
LT		 989 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
990 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
1da177e4
LT		 991 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
992 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
993 default:
994 /*
995 * What to do?
996 */
997 sc->result = DID_SOFT_ERROR << 16;
998 break;
999
1000 } /* switch(status) */
1001
6757d6b4
PS		 1002#ifdef CONFIG_FUSION_LOGGING
1003 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
1004 mptscsih_info_scsiio(ioc, sc, pScsiReply);
c6c727a1
EM		 1005#endif
1006
1da177e4 1007 } /* end of address reply case */
fea98403 1008out:
1da177e4 1009 /* Unmap the DMA buffers, if any. */
1928d73f 1010 scsi_dma_unmap(sc);
1da177e4 1011
1da177e4
LT		 1012 sc->scsi_done(sc); /* Issue the command callback */
1013
1014 /* Free Chain buffers */
1015 mptscsih_freeChainBuffers(ioc, req_idx);
1016 return 1;
1017}
1018
1da177e4
LT		 1019/*
1020 * mptscsih_flush_running_cmds - For each command found, search
1021 * Scsi_Host instance taskQ and reply to OS.
1022 * Called only if recovering from a FW reload.
1023 * @hd: Pointer to a SCSI HOST structure
1024 *
1025 * Returns: None.
1026 *
1027 * Must be called while new I/Os are being queued.
1028 */
e62cca19 1029void
1da177e4
LT		 1030mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1031{
1032 MPT_ADAPTER *ioc = hd->ioc;
e8206381
EM		 1033 struct scsi_cmnd *sc;
1034 SCSIIORequest_t *mf = NULL;
1da177e4 1035 int ii;
e8206381 1036 int channel, id;
1da177e4 1037
e8206381
EM		 1038 for (ii= 0; ii < ioc->req_depth; ii++) {
1039 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1040 if (!sc)
1041 continue;
1042 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1043 if (!mf)
1044 continue;
1045 channel = mf->Bus;
1046 id = mf->TargetID;
1047 mptscsih_freeChainBuffers(ioc, ii);
1048 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1049 if ((unsigned char *)mf != sc->host_scribble)
1050 continue;
1051 scsi_dma_unmap(sc);
1052 sc->result = DID_RESET << 16;
1053 sc->host_scribble = NULL;
2f187862
KD		 1054 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1055 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1056 "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
e8206381 1057 sc->scsi_done(sc);
1da177e4 1058 }
1da177e4 1059}
e62cca19 1060EXPORT_SYMBOL(mptscsih_flush_running_cmds);
1da177e4
LT		 1061
1062/*
1063 * mptscsih_search_running_cmds - Delete any commands associated
1064 * with the specified target and lun. Function called only
1065 * when a lun is disable by mid-layer.
1066 * Do NOT access the referenced scsi_cmnd structure or
1067 * members. Will cause either a paging or NULL ptr error.
05e8ec17 1068 * (BUT, BUT, BUT, the code does reference it! - mdr)
c7c82987
MED		 1069 * @hd: Pointer to a SCSI HOST structure
1070 * @vdevice: per device private data
1da177e4
LT		 1071 *
1072 * Returns: None.
1073 *
1074 * Called from slave_destroy.
1075 */
1076static void
c7c82987 1077mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1da177e4
LT		 1078{
1079 SCSIIORequest_t *mf = NULL;
1080 int ii;
466544d8 1081 struct scsi_cmnd *sc;
793955f5 1082 struct scsi_lun lun;
e80b002b 1083 MPT_ADAPTER *ioc = hd->ioc;
e8206381 1084 unsigned long flags;
1da177e4 1085
e8206381
EM		 1086 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1087 for (ii = 0; ii < ioc->req_depth; ii++) {
1088 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
1da177e4 1089
e80b002b 1090 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
3dc0b03f
EM		 1091 if (mf == NULL)
1092 continue;
cc78d30a
EM		 1093 /* If the device is a hidden raid component, then its
1094 * expected that the mf->function will be RAID_SCSI_IO
1095 */
1096 if (vdevice->vtarget->tflags &
1097 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1098 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1099 continue;
1100
793955f5
EM		 1101 int_to_scsilun(vdevice->lun, &lun);
1102 if ((mf->Bus != vdevice->vtarget->channel) ||
1103 (mf->TargetID != vdevice->vtarget->id) ||
1104 memcmp(lun.scsi_lun, mf->LUN, 8))
1da177e4
LT		 1105 continue;
1106
3dc0b03f
EM		 1107 if ((unsigned char *)mf != sc->host_scribble)
1108 continue;
e8206381
EM		 1109 ioc->ScsiLookup[ii] = NULL;
1110 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1111 mptscsih_freeChainBuffers(ioc, ii);
1112 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1928d73f 1113 scsi_dma_unmap(sc);
466544d8
MED		 1114 sc->host_scribble = NULL;
1115 sc->result = DID_NO_CONNECT << 16;
2f187862
KD		 1116 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1117 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1118 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1119 vdevice->vtarget->channel, vdevice->vtarget->id,
1120 sc, mf, ii));
466544d8 1121 sc->scsi_done(sc);
e8206381 1122 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1da177e4
LT		 1123 }
1124 }
e8206381 1125 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1da177e4
LT		 1126 return;
1127}
1128
1129/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1da177e4
LT		 1130
1131/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1132/*
1133 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
1134 * from a SCSI target device.
1135 * @sc: Pointer to scsi_cmnd structure
1136 * @pScsiReply: Pointer to SCSIIOReply_t
1137 * @pScsiReq: Pointer to original SCSI request
1138 *
1139 * This routine periodically reports QUEUE_FULL status returned from a
1140 * SCSI target device. It reports this to the console via kernel
1141 * printk() API call, not more than once every 10 seconds.
1142 */
1143static void
1144mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1145{
1146 long time = jiffies;
1da177e4 1147 MPT_SCSI_HOST *hd;
e80b002b 1148 MPT_ADAPTER *ioc;
1da177e4 1149
0d0c7974
MED		 1150 if (sc->device == NULL)
1151 return;
1152 if (sc->device->host == NULL)
1153 return;
e7eae9f6 1154 if ((hd = shost_priv(sc->device->host)) == NULL)
0d0c7974 1155 return;
e80b002b 1156 ioc = hd->ioc;
0d0c7974 1157 if (time - hd->last_queue_full > 10 * HZ) {
9cb78c16 1158 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%llu) reported QUEUE_FULL!\n",
e80b002b 1159 ioc->name, 0, sc->device->id, sc->device->lun));
0d0c7974 1160 hd->last_queue_full = time;
1da177e4 1161 }
1da177e4
LT		 1162}
1163
1164/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1165/*
1166 * mptscsih_remove - Removed scsi devices
1167 * @pdev: Pointer to pci_dev structure
1168 *
1169 *
1170 */
0d0c7974 1171void
1da177e4
LT		 1172mptscsih_remove(struct pci_dev *pdev)
1173{
1174 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1175 struct Scsi_Host *host = ioc->sh;
1176 MPT_SCSI_HOST *hd;
0d0c7974 1177 int sz1;
1da177e4 1178
1da177e4
LT		 1179 scsi_remove_host(host);
1180
e7eae9f6 1181 if((hd = shost_priv(host)) == NULL)
0d0c7974
MED		 1182 return;
1183
d18c3db5 1184 mptscsih_shutdown(pdev);
1da177e4 1185
0d0c7974 1186 sz1=0;
1da177e4 1187
e8206381 1188 if (ioc->ScsiLookup != NULL) {
e80b002b 1189 sz1 = ioc->req_depth * sizeof(void *);
e8206381
EM		 1190 kfree(ioc->ScsiLookup);
1191 ioc->ScsiLookup = NULL;
0d0c7974 1192 }
1da177e4 1193
e80b002b 1194 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
0d0c7974 1195 "Free'd ScsiLookup (%d) memory\n",
e80b002b 1196 ioc->name, sz1));
1da177e4 1197
d485eb83 1198 kfree(hd->info_kbuf);
1da177e4 1199
0d0c7974
MED		 1200 /* NULL the Scsi_Host pointer
1201 */
e80b002b 1202 ioc->sh = NULL;
1da177e4
LT		 1203
1204 scsi_host_put(host);
1da177e4 1205
0d0c7974 1206 mpt_detach(pdev);
c6678e0c 1207
1da177e4
LT		 1208}
1209
1210/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1211/*
1212 * mptscsih_shutdown - reboot notifier
1213 *
1214 */
0d0c7974 1215void
d18c3db5 1216mptscsih_shutdown(struct pci_dev *pdev)
1da177e4 1217{
1da177e4
LT		 1218}
1219
1220#ifdef CONFIG_PM
1221/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1222/*
0d0c7974 1223 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1da177e4
LT		 1224 *
1225 *
1226 */
0d0c7974 1227int
8d189f72 1228mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1da177e4 1229{
4d4109d0
PS		 1230 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1231
1232 scsi_block_requests(ioc->sh);
1233 flush_scheduled_work();
d18c3db5 1234 mptscsih_shutdown(pdev);
0d0c7974 1235 return mpt_suspend(pdev,state);
1da177e4
LT		 1236}
1237
1238/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1239/*
1240 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1241 *
1242 *
1243 */
0d0c7974 1244int
1da177e4
LT		 1245mptscsih_resume(struct pci_dev *pdev)
1246{
4d4109d0
PS		 1247 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1248 int rc;
1249
1250 rc = mpt_resume(pdev);
1251 scsi_unblock_requests(ioc->sh);
1252 return rc;
1da177e4
LT		 1253}
1254
1255#endif
1256
1da177e4
LT		 1257/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1258/**
1259 * mptscsih_info - Return information about MPT adapter
1260 * @SChost: Pointer to Scsi_Host structure
1261 *
1262 * (linux scsi_host_template.info routine)
1263 *
1264 * Returns pointer to buffer where information was written.
1265 */
0d0c7974 1266const char *
1da177e4
LT		 1267mptscsih_info(struct Scsi_Host *SChost)
1268{
1269 MPT_SCSI_HOST *h;
1270 int size = 0;
1271
e7eae9f6 1272 h = shost_priv(SChost);
0d0c7974 1273
9f21316f
JL		 1274 if (h->info_kbuf == NULL)
1275 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1276 return h->info_kbuf;
1277 h->info_kbuf[0] = '\0';
1278
1279 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1280 h->info_kbuf[size-1] = '\0';
1da177e4 1281
0d0c7974 1282 return h->info_kbuf;
1da177e4
LT		 1283}
1284
cac19703 1285int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host)
1da177e4 1286{
e7eae9f6 1287 MPT_SCSI_HOST *hd = shost_priv(host);
1da177e4 1288 MPT_ADAPTER *ioc = hd->ioc;
1da177e4 1289
cac19703
AV		 1290 seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name);
1291 seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1292 seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts);
1293 seq_printf(m, "MaxQ=%d\n", ioc->req_depth);
1da177e4 1294
cac19703 1295 return 0;
1da177e4
LT		 1296}
1297
1298/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1299#define ADD_INDEX_LOG(req_ent) do { } while(0)
1300
1301/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1302/**
1303 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1304 * @SCpnt: Pointer to scsi_cmnd structure
1da177e4
LT		 1305 *
1306 * (linux scsi_host_template.queuecommand routine)
1307 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1308 * from a linux scsi_cmnd request and send it to the IOC.
1309 *
1310 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1311 */
0d0c7974 1312int
a48ac9e5 1313mptscsih_qcmd(struct scsi_cmnd *SCpnt)
1da177e4
LT		 1314{
1315 MPT_SCSI_HOST *hd;
1316 MPT_FRAME_HDR *mf;
1317 SCSIIORequest_t *pScsiReq;
a69de507 1318 VirtDevice *vdevice = SCpnt->device->hostdata;
1da177e4
LT		 1319 u32 datalen;
1320 u32 scsictl;
1321 u32 scsidir;
1322 u32 cmd_len;
1323 int my_idx;
1324 int ii;
6757d6b4 1325 MPT_ADAPTER *ioc;
1da177e4 1326
e7eae9f6 1327 hd = shost_priv(SCpnt->device->host);
6757d6b4 1328 ioc = hd->ioc;
1da177e4 1329
a48ac9e5
MW		 1330 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p\n",
1331 ioc->name, SCpnt));
1da177e4 1332
56cee8d5 1333 if (ioc->taskmgmt_quiesce_io)
1da177e4 1334 return SCSI_MLQUEUE_HOST_BUSY;
1da177e4
LT		 1335
1336 /*
1337 * Put together a MPT SCSI request...
1338 */
e80b002b 1339 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
6757d6b4
PS		 1340 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1341 ioc->name));
1da177e4
LT		 1342 return SCSI_MLQUEUE_HOST_BUSY;
1343 }
1344
1345 pScsiReq = (SCSIIORequest_t *) mf;
1346
1347 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1348
1349 ADD_INDEX_LOG(my_idx);
1350
0d0c7974 1351 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1da177e4
LT		 1352 * Seems we may receive a buffer (datalen>0) even when there
1353 * will be no data transfer! GRRRRR...
1354 */
1355 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1928d73f 1356 datalen = scsi_bufflen(SCpnt);
1da177e4
LT		 1357 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1358 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1928d73f 1359 datalen = scsi_bufflen(SCpnt);
1da177e4
LT		 1360 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1361 } else {
1362 datalen = 0;
1363 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1364 }
1365
1366 /* Default to untagged. Once a target structure has been allocated,
1367 * use the Inquiry data to determine if device supports tagged.
1368 */
4e6f767d
CH		 1369 if ((vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) &&
1370 SCpnt->device->tagged_supported)
1da177e4 1371 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
4e6f767d 1372 else
1da177e4 1373 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
65f89c23 1374
1da177e4
LT		 1375
1376 /* Use the above information to set up the message frame
1377 */
a69de507
EM		 1378 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1379 pScsiReq->Bus = vdevice->vtarget->channel;
1da177e4 1380 pScsiReq->ChainOffset = 0;
a69de507 1381 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
c92f222e
JB		 1382 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1383 else
1384 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1da177e4
LT		 1385 pScsiReq->CDBLength = SCpnt->cmd_len;
1386 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1387 pScsiReq->Reserved = 0;
14d0f0b0 1388 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
793955f5 1389 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1da177e4
LT		 1390 pScsiReq->Control = cpu_to_le32(scsictl);
1391
1392 /*
1393 * Write SCSI CDB into the message
1394 */
1395 cmd_len = SCpnt->cmd_len;
1396 for (ii=0; ii < cmd_len; ii++)
1397 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1398
1399 for (ii=cmd_len; ii < 16; ii++)
1400 pScsiReq->CDB[ii] = 0;
1401
1402 /* DataLength */
1403 pScsiReq->DataLength = cpu_to_le32(datalen);
1404
1405 /* SenseBuffer low address */
e80b002b 1406 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1da177e4
LT		 1407 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1408
1409 /* Now add the SG list
1410 * Always have a SGE even if null length.
1411 */
1412 if (datalen == 0) {
1413 /* Add a NULL SGE */
14d0f0b0
KD		 1414 ioc->add_sge((char *)&pScsiReq->SGL,
1415 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1da177e4
LT		 1416 (dma_addr_t) -1);
1417 } else {
1418 /* Add a 32 or 64 bit SGE */
e80b002b 1419 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1da177e4
LT		 1420 goto fail;
1421 }
1422
3dc0b03f 1423 SCpnt->host_scribble = (unsigned char *)mf;
e8206381 1424 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1da177e4 1425
e80b002b 1426 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
6757d6b4
PS		 1427 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1428 ioc->name, SCpnt, mf, my_idx));
29dd3609 1429 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1da177e4
LT		 1430 return 0;
1431
1432 fail:
e80b002b
EM		 1433 mptscsih_freeChainBuffers(ioc, my_idx);
1434 mpt_free_msg_frame(ioc, mf);
1da177e4
LT		 1435 return SCSI_MLQUEUE_HOST_BUSY;
1436}
1437
1438/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1439/*
1440 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1441 * with a SCSI IO request
1442 * @hd: Pointer to the MPT_SCSI_HOST instance
1443 * @req_idx: Index of the SCSI IO request frame.
1444 *
1445 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1446 * No return.
1447 */
1448static void
1449mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1450{
1451 MPT_FRAME_HDR *chain;
1452 unsigned long flags;
1453 int chain_idx;
1454 int next;
1455
1456 /* Get the first chain index and reset
1457 * tracker state.
1458 */
1459 chain_idx = ioc->ReqToChain[req_idx];
1460 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1461
1462 while (chain_idx != MPT_HOST_NO_CHAIN) {
1463
1464 /* Save the next chain buffer index */
1465 next = ioc->ChainToChain[chain_idx];
1466
1467 /* Free this chain buffer and reset
1468 * tracker
1469 */
1470 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1471
1472 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1473 + (chain_idx * ioc->req_sz));
1474
1475 spin_lock_irqsave(&ioc->FreeQlock, flags);
1476 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1477 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1478
6757d6b4 1479 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1da177e4
LT		 1480 ioc->name, chain_idx));
1481
1482 /* handle next */
1483 chain_idx = next;
1484 }
1485 return;
1486}
1487
1488/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1489/*
1490 * Reset Handling
1491 */
1492
1493/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
cd2c6191 1494/**
1ba9ab2e
KD		 1495 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1496 * @hd: Pointer to MPT_SCSI_HOST structure
1da177e4 1497 * @type: Task Management type
1544d677 1498 * @channel: channel number for task management
793955f5 1499 * @id: Logical Target ID for reset (if appropriate)
1da177e4
LT		 1500 * @lun: Logical Unit for reset (if appropriate)
1501 * @ctx2abort: Context for the task to be aborted (if appropriate)
1544d677
RD		 1502 * @timeout: timeout for task management control
1503 *
1ba9ab2e
KD		 1504 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1505 * or a non-interrupt thread. In the former, must not call schedule().
1da177e4 1506 *
1ba9ab2e 1507 * Not all fields are meaningfull for all task types.
1da177e4 1508 *
1ba9ab2e 1509 * Returns 0 for SUCCESS, or FAILED.
1da177e4 1510 *
cd2c6191 1511 **/
663e1aa1 1512int
9cb78c16 1513mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, u64 lun,
1ba9ab2e 1514 int ctx2abort, ulong timeout)
1da177e4 1515{
1ba9ab2e
KD		 1516 MPT_FRAME_HDR *mf;
1517 SCSITaskMgmt_t *pScsiTm;
1518 int ii;
1519 int retval;
1520 MPT_ADAPTER *ioc = hd->ioc;
1521 unsigned long timeleft;
1522 u8 issue_hard_reset;
1da177e4 1523 u32 ioc_raw_state;
1ba9ab2e 1524 unsigned long time_count;
1da177e4 1525
1ba9ab2e 1526 issue_hard_reset = 0;
e80b002b 1527 ioc_raw_state = mpt_GetIocState(ioc, 0);
1da177e4 1528
1da177e4
LT		 1529 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1530 printk(MYIOC_s_WARN_FMT
1ba9ab2e 1531 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
cd2c6191 1532 ioc->name, type, ioc_raw_state);
1ba9ab2e
KD		 1533 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1534 ioc->name, __func__);
cd2c6191 1535 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1ba9ab2e 1536 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
29dd3609 1537 "FAILED!!\n", ioc->name);
1ba9ab2e 1538 return 0;
1da177e4
LT		 1539 }
1540
98cbe371 1541 /* DOORBELL ACTIVE check is not required if
1542 * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported.
1543 */
1544
1545 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
1546 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
1547 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
cd2c6191 1548 printk(MYIOC_s_WARN_FMT
1ba9ab2e 1549 "TaskMgmt type=%x: ioc_state: "
cd2c6191
EM		 1550 "DOORBELL_ACTIVE (0x%x)!\n",
1551 ioc->name, type, ioc_raw_state);
1552 return FAILED;
1da177e4
LT		 1553 }
1554
1ba9ab2e
KD		 1555 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1556 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1557 mf = NULL;
1558 retval = FAILED;
1559 goto out;
1560 }
1da177e4
LT		 1561
1562 /* Return Fail to calling function if no message frames available.
1563 */
e80b002b 1564 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1ba9ab2e
KD		 1565 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1566 "TaskMgmt no msg frames!!\n", ioc->name));
1567 retval = FAILED;
1568 mpt_clear_taskmgmt_in_progress_flag(ioc);
1569 goto out;
1da177e4 1570 }
1ba9ab2e 1571 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
e80b002b 1572 ioc->name, mf));
1da177e4
LT		 1573
1574 /* Format the Request
1575 */
1576 pScsiTm = (SCSITaskMgmt_t *) mf;
793955f5 1577 pScsiTm->TargetID = id;
1da177e4
LT		 1578 pScsiTm->Bus = channel;
1579 pScsiTm->ChainOffset = 0;
1580 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1581
1582 pScsiTm->Reserved = 0;
1583 pScsiTm->TaskType = type;
1584 pScsiTm->Reserved1 = 0;
1585 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1586 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1587
793955f5 1588 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1da177e4
LT		 1589
1590 for (ii=0; ii < 7; ii++)
1591 pScsiTm->Reserved2[ii] = 0;
1592
1593 pScsiTm->TaskMsgContext = ctx2abort;
1594
1ba9ab2e
KD		 1595 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1596 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1597 type, timeout));
1da177e4 1598
6757d6b4 1599 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1da177e4 1600
1ba9ab2e
KD		 1601 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1602 time_count = jiffies;
e80b002b
EM		 1603 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1604 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1605 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
7a195f46 1606 else {
e80b002b 1607 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
7a195f46
PS		 1608 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1609 if (retval) {
1ba9ab2e
KD		 1610 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1611 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1612 ioc->name, mf, retval));
1613 mpt_free_msg_frame(ioc, mf);
1614 mpt_clear_taskmgmt_in_progress_flag(ioc);
1615 goto out;
7a195f46 1616 }
1da177e4
LT		 1617 }
1618
1ba9ab2e
KD		 1619 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1620 timeout*HZ);
1621 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1622 retval = FAILED;
1623 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1624 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1625 mpt_clear_taskmgmt_in_progress_flag(ioc);
1626 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1627 goto out;
1628 issue_hard_reset = 1;
1629 goto out;
1da177e4
LT		 1630 }
1631
1ba9ab2e
KD		 1632 retval = mptscsih_taskmgmt_reply(ioc, type,
1633 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
cd2c6191 1634
1ba9ab2e
KD		 1635 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1636 "TaskMgmt completed (%d seconds)\n",
1637 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
cd2c6191 1638
1ba9ab2e 1639 out:
cd2c6191 1640
1ba9ab2e
KD		 1641 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1642 if (issue_hard_reset) {
97009a29
KT		 1643 printk(MYIOC_s_WARN_FMT
1644 "Issuing Reset from %s!! doorbell=0x%08x\n",
1645 ioc->name, __func__, mpt_GetIocState(ioc, 0));
98cbe371 1646 retval = (ioc->bus_type == SAS) ?
1647 mpt_HardResetHandler(ioc, CAN_SLEEP) :
1648 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1ba9ab2e
KD		 1649 mpt_free_msg_frame(ioc, mf);
1650 }
1651
1652 retval = (retval == 0) ? 0 : FAILED;
1653 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1654 return retval;
1da177e4 1655}
1ba9ab2e 1656EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1da177e4 1657
d66c7a0f
CH		 1658static int
1659mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1660{
1661 switch (ioc->bus_type) {
1662 case FC:
1663 return 40;
1664 case SAS:
69b2e9b4 1665 return 30;
d66c7a0f
CH		 1666 case SPI:
1667 default:
22ab019b 1668 return 10;
d66c7a0f
CH		 1669 }
1670}
1671
1da177e4
LT		 1672/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1673/**
1674 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1675 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1676 *
1677 * (linux scsi_host_template.eh_abort_handler routine)
1678 *
1679 * Returns SUCCESS or FAILED.
cd2c6191 1680 **/
0d0c7974 1681int
1da177e4
LT		 1682mptscsih_abort(struct scsi_cmnd * SCpnt)
1683{
1684 MPT_SCSI_HOST *hd;
1da177e4
LT		 1685 MPT_FRAME_HDR *mf;
1686 u32 ctx2abort;
1687 int scpnt_idx;
466544d8 1688 int retval;
958d4a32 1689 VirtDevice *vdevice;
958d4a32 1690 MPT_ADAPTER *ioc;
1da177e4
LT		 1691
1692 /* If we can't locate our host adapter structure, return FAILED status.
1693 */
e7eae9f6 1694 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1da177e4
LT		 1695 SCpnt->result = DID_RESET << 16;
1696 SCpnt->scsi_done(SCpnt);
29dd3609
EM		 1697 printk(KERN_ERR MYNAM ": task abort: "
1698 "can't locate host! (sc=%p)\n", SCpnt);
1da177e4
LT		 1699 return FAILED;
1700 }
1701
958d4a32
EM		 1702 ioc = hd->ioc;
1703 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1704 ioc->name, SCpnt);
1705 scsi_print_command(SCpnt);
1706
1707 vdevice = SCpnt->device->hostdata;
1708 if (!vdevice || !vdevice->vtarget) {
29dd3609
EM		 1709 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1710 "task abort: device has been deleted (sc=%p)\n",
1711 ioc->name, SCpnt));
958d4a32
EM		 1712 SCpnt->result = DID_NO_CONNECT << 16;
1713 SCpnt->scsi_done(SCpnt);
69b2e9b4 1714 retval = SUCCESS;
958d4a32
EM		 1715 goto out;
1716 }
1717
cc78d30a
EM		 1718 /* Task aborts are not supported for hidden raid components.
1719 */
1720 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
29dd3609
EM		 1721 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1722 "task abort: hidden raid component (sc=%p)\n",
1723 ioc->name, SCpnt));
cc78d30a
EM		 1724 SCpnt->result = DID_RESET << 16;
1725 retval = FAILED;
1726 goto out;
1727 }
1728
69b2e9b4
KD		 1729 /* Task aborts are not supported for volumes.
1730 */
1731 if (vdevice->vtarget->raidVolume) {
1732 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1733 "task abort: raid volume (sc=%p)\n",
1734 ioc->name, SCpnt));
1735 SCpnt->result = DID_RESET << 16;
1736 retval = FAILED;
1737 goto out;
1738 }
1739
1da177e4
LT		 1740 /* Find this command
1741 */
e8206381 1742 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
466544d8 1743 /* Cmd not found in ScsiLookup.
1da177e4
LT		 1744 * Do OS callback.
1745 */
1746 SCpnt->result = DID_RESET << 16;
29dd3609 1747 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
958d4a32
EM		 1748 "Command not in the active list! (sc=%p)\n", ioc->name,
1749 SCpnt));
9858ae38 1750 retval = SUCCESS;
958d4a32 1751 goto out;
1da177e4
LT		 1752 }
1753
2f187862
KD		 1754 if (ioc->timeouts < -1)
1755 ioc->timeouts++;
65207fed 1756
2f4c782c
KD		 1757 if (mpt_fwfault_debug)
1758 mpt_halt_firmware(ioc);
1759
1da177e4
LT		 1760 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1761 * (the IO to be ABORT'd)
1762 *
1763 * NOTE: Since we do not byteswap MsgContext, we do not
1764 * swap it here either. It is an opaque cookie to
1765 * the controller, so it does not matter. -DaveM
1766 */
e80b002b 1767 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1da177e4 1768 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1ba9ab2e
KD		 1769 retval = mptscsih_IssueTaskMgmt(hd,
1770 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1771 vdevice->vtarget->channel,
1772 vdevice->vtarget->id, vdevice->lun,
1773 ctx2abort, mptscsih_get_tm_timeout(ioc));
1da177e4 1774
aeaeb5ce 1775 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
2f187862
KD		 1776 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1777 "task abort: command still in active list! (sc=%p)\n",
1778 ioc->name, SCpnt));
3dc0b03f 1779 retval = FAILED;
2f187862
KD		 1780 } else {
1781 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1782 "task abort: command cleared from active list! (sc=%p)\n",
1783 ioc->name, SCpnt));
1784 retval = SUCCESS;
1785 }
3dc0b03f 1786
958d4a32 1787 out:
aeaeb5ce 1788 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
bcfe42e9 1789 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
aeaeb5ce 1790 SCpnt);
1da177e4 1791
2f187862 1792 return retval;
1da177e4
LT		 1793}
1794
1795/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1796/**
1797 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1798 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1799 *
1800 * (linux scsi_host_template.eh_dev_reset_handler routine)
1801 *
1802 * Returns SUCCESS or FAILED.
cd2c6191 1803 **/
0d0c7974 1804int
1da177e4
LT		 1805mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1806{
1807 MPT_SCSI_HOST *hd;
466544d8 1808 int retval;
958d4a32
EM		 1809 VirtDevice *vdevice;
1810 MPT_ADAPTER *ioc;
1da177e4
LT		 1811
1812 /* If we can't locate our host adapter structure, return FAILED status.
1813 */
e7eae9f6 1814 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
29dd3609
EM		 1815 printk(KERN_ERR MYNAM ": target reset: "
1816 "Can't locate host! (sc=%p)\n", SCpnt);
1da177e4
LT		 1817 return FAILED;
1818 }
1819
958d4a32
EM		 1820 ioc = hd->ioc;
1821 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1822 ioc->name, SCpnt);
466544d8 1823 scsi_print_command(SCpnt);
1da177e4 1824
958d4a32
EM		 1825 vdevice = SCpnt->device->hostdata;
1826 if (!vdevice || !vdevice->vtarget) {
bcfe42e9 1827 retval = 0;
958d4a32
EM		 1828 goto out;
1829 }
1830
cc78d30a
EM		 1831 /* Target reset to hidden raid component is not supported
1832 */
1833 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1834 retval = FAILED;
1835 goto out;
1836 }
1837
1ba9ab2e
KD		 1838 retval = mptscsih_IssueTaskMgmt(hd,
1839 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1840 vdevice->vtarget->channel,
1841 vdevice->vtarget->id, 0, 0,
1842 mptscsih_get_tm_timeout(ioc));
466544d8 1843
958d4a32
EM		 1844 out:
1845 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1846 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
466544d8
MED		 1847
1848 if (retval == 0)
1849 return SUCCESS;
cd2c6191
EM		 1850 else
1851 return FAILED;
1da177e4
LT		 1852}
1853
cd2c6191 1854
1da177e4
LT		 1855/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1856/**
1857 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1858 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1859 *
1860 * (linux scsi_host_template.eh_bus_reset_handler routine)
1861 *
1862 * Returns SUCCESS or FAILED.
cd2c6191 1863 **/
0d0c7974 1864int
1da177e4
LT		 1865mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1866{
1867 MPT_SCSI_HOST *hd;
466544d8 1868 int retval;
a69de507 1869 VirtDevice *vdevice;
958d4a32 1870 MPT_ADAPTER *ioc;
1da177e4
LT		 1871
1872 /* If we can't locate our host adapter structure, return FAILED status.
1873 */
e7eae9f6 1874 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
29dd3609
EM		 1875 printk(KERN_ERR MYNAM ": bus reset: "
1876 "Can't locate host! (sc=%p)\n", SCpnt);
1da177e4
LT		 1877 return FAILED;
1878 }
1879
958d4a32
EM		 1880 ioc = hd->ioc;
1881 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1882 ioc->name, SCpnt);
466544d8 1883 scsi_print_command(SCpnt);
1da177e4 1884
2f187862
KD		 1885 if (ioc->timeouts < -1)
1886 ioc->timeouts++;
1da177e4 1887
a69de507 1888 vdevice = SCpnt->device->hostdata;
2f187862
KD		 1889 if (!vdevice || !vdevice->vtarget)
1890 return SUCCESS;
1ba9ab2e
KD		 1891 retval = mptscsih_IssueTaskMgmt(hd,
1892 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1893 vdevice->vtarget->channel, 0, 0, 0,
1894 mptscsih_get_tm_timeout(ioc));
1da177e4 1895
958d4a32
EM		 1896 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1897 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
466544d8
MED		 1898
1899 if (retval == 0)
1900 return SUCCESS;
cd2c6191
EM		 1901 else
1902 return FAILED;
1da177e4
LT		 1903}
1904
1905/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1906/**
d9489fb6 1907 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1da177e4
LT		 1908 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1909 *
1910 * (linux scsi_host_template.eh_host_reset_handler routine)
1911 *
1912 * Returns SUCCESS or FAILED.
1913 */
0d0c7974 1914int
1da177e4
LT		 1915mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1916{
1917 MPT_SCSI_HOST * hd;
2f187862 1918 int status = SUCCESS;
958d4a32 1919 MPT_ADAPTER *ioc;
2f187862 1920 int retval;
1da177e4
LT		 1921
1922 /* If we can't locate the host to reset, then we failed. */
e7eae9f6 1923 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
29dd3609
EM		 1924 printk(KERN_ERR MYNAM ": host reset: "
1925 "Can't locate host! (sc=%p)\n", SCpnt);
1da177e4
LT		 1926 return FAILED;
1927 }
1928
a6da74cb
JB		 1929 /* make sure we have no outstanding commands at this stage */
1930 mptscsih_flush_running_cmds(hd);
1931
958d4a32
EM		 1932 ioc = hd->ioc;
1933 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1934 ioc->name, SCpnt);
1da177e4
LT		 1935
1936 /* If our attempts to reset the host failed, then return a failed
1937 * status. The host will be taken off line by the SCSI mid-layer.
1938 */
d0f698c4 1939 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2f187862
KD		 1940 if (retval < 0)
1941 status = FAILED;
1942 else
1943 status = SUCCESS;
1da177e4 1944
958d4a32
EM		 1945 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1946 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1da177e4 1947
2f187862 1948 return status;
1da177e4
LT		 1949}
1950
1da177e4 1951static int
1ba9ab2e
KD		 1952mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
1953 SCSITaskMgmtReply_t *pScsiTmReply)
1da177e4 1954{
1ba9ab2e
KD		 1955 u16 iocstatus;
1956 u32 termination_count;
1957 int retval;
1da177e4 1958
1ba9ab2e
KD		 1959 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
1960 retval = FAILED;
1961 goto out;
1962 }
1da177e4 1963
1ba9ab2e 1964 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
1da177e4 1965
1ba9ab2e
KD		 1966 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
1967 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
1da177e4 1968
1ba9ab2e
KD		 1969 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1970 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
1971 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
1972 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
1973 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
1974 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
1975 termination_count));
1976
1977 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
1978 pScsiTmReply->ResponseCode)
1979 mptscsih_taskmgmt_response_code(ioc,
1980 pScsiTmReply->ResponseCode);
1da177e4 1981
1ba9ab2e
KD		 1982 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
1983 retval = 0;
1984 goto out;
1985 }
1986
1987 retval = FAILED;
1988 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
1989 if (termination_count == 1)
1990 retval = 0;
1991 goto out;
1992 }
1993
1994 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
1995 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
1996 retval = 0;
1997
1998 out:
1999 return retval;
1da177e4
LT		 2000}
2001
9f63bb73 2002/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
e7deff33 2003void
9f63bb73
ME		 2004mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2005{
2006 char *desc;
2007
2008 switch (response_code) {
2009 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2010 desc = "The task completed.";
2011 break;
2012 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2013 desc = "The IOC received an invalid frame status.";
2014 break;
2015 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2016 desc = "The task type is not supported.";
2017 break;
2018 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2019 desc = "The requested task failed.";
2020 break;
2021 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2022 desc = "The task completed successfully.";
2023 break;
2024 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2025 desc = "The LUN request is invalid.";
2026 break;
2027 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2028 desc = "The task is in the IOC queue and has not been sent to target.";
2029 break;
2030 default:
2031 desc = "unknown";
2032 break;
2033 }
2034 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2035 ioc->name, response_code, desc);
2036}
e7deff33 2037EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
9f63bb73 2038
1da177e4
LT		 2039/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2040/**
2041 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2042 * @ioc: Pointer to MPT_ADAPTER structure
2043 * @mf: Pointer to SCSI task mgmt request frame
2044 * @mr: Pointer to SCSI task mgmt reply frame
2045 *
2046 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2047 * of any SCSI task management request.
2048 * This routine is registered with the MPT (base) driver at driver
2049 * load/init time via the mpt_register() API call.
2050 *
2051 * Returns 1 indicating alloc'd request frame ptr should be freed.
cd2c6191 2052 **/
0d0c7974 2053int
1ba9ab2e
KD		 2054mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2055 MPT_FRAME_HDR *mr)
1da177e4 2056{
1ba9ab2e
KD		 2057 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2058 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
cd2c6191 2059
1ba9ab2e 2060 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
6757d6b4 2061
1ba9ab2e 2062 if (!mr)
cd2c6191 2063 goto out;
1da177e4 2064
1ba9ab2e
KD		 2065 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2066 memcpy(ioc->taskmgmt_cmds.reply, mr,
2067 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
cd2c6191 2068 out:
1ba9ab2e
KD		 2069 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2070 mpt_clear_taskmgmt_in_progress_flag(ioc);
2071 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2072 complete(&ioc->taskmgmt_cmds.done);
b68bf096
KD		 2073 if (ioc->bus_type == SAS)
2074 ioc->schedule_target_reset(ioc);
1ba9ab2e
KD		 2075 return 1;
2076 }
2077 return 0;
1da177e4
LT		 2078}
2079
2080/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2081/*
2082 * This is anyones guess quite frankly.
2083 */
0d0c7974 2084int
1da177e4
LT		 2085mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2086 sector_t capacity, int geom[])
2087{
2088 int heads;
2089 int sectors;
2090 sector_t cylinders;
2091 ulong dummy;
2092
2093 heads = 64;
2094 sectors = 32;
2095
2096 dummy = heads * sectors;
2097 cylinders = capacity;
2098 sector_div(cylinders,dummy);
2099
2100 /*
2101 * Handle extended translation size for logical drives
2102 * > 1Gb
2103 */
2104 if ((ulong)capacity >= 0x200000) {
2105 heads = 255;
2106 sectors = 63;
2107 dummy = heads * sectors;
2108 cylinders = capacity;
2109 sector_div(cylinders,dummy);
2110 }
2111
2112 /* return result */
2113 geom[0] = heads;
2114 geom[1] = sectors;
2115 geom[2] = cylinders;
2116
1da177e4
LT		 2117 return 0;
2118}
2119
f44e5461
ME		 2120/* Search IOC page 3 to determine if this is hidden physical disk
2121 *
2122 */
2123int
793955f5 2124mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
f44e5461 2125{
b506ade9 2126 struct inactive_raid_component_info *component_info;
a7938b0b
KD		 2127 int i, j;
2128 RaidPhysDiskPage1_t *phys_disk;
793955f5 2129 int rc = 0;
a7938b0b 2130 int num_paths;
f44e5461 2131
793955f5
EM		 2132 if (!ioc->raid_data.pIocPg3)
2133 goto out;
f44e5461 2134 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
793955f5
EM		 2135 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2136 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2137 rc = 1;
2138 goto out;
2139 }
c92f222e
JB		 2140 }
2141
a7938b0b
KD		 2142 if (ioc->bus_type != SAS)
2143 goto out;
2144
2145 /*
2146 * Check if dual path
2147 */
2148 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2149 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2150 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2151 if (num_paths < 2)
2152 continue;
2153 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2154 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2155 if (!phys_disk)
2156 continue;
2157 if ((mpt_raid_phys_disk_pg1(ioc,
2158 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2159 phys_disk))) {
2160 kfree(phys_disk);
2161 continue;
2162 }
2163 for (j = 0; j < num_paths; j++) {
2164 if ((phys_disk->Path[j].Flags &
2165 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2166 continue;
2167 if ((phys_disk->Path[j].Flags &
2168 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2169 continue;
2170 if ((id == phys_disk->Path[j].PhysDiskID) &&
2171 (channel == phys_disk->Path[j].PhysDiskBus)) {
2172 rc = 1;
2173 kfree(phys_disk);
2174 goto out;
2175 }
2176 }
2177 kfree(phys_disk);
2178 }
2179
2180
b506ade9
EM		 2181 /*
2182 * Check inactive list for matching phys disks
2183 */
2184 if (list_empty(&ioc->raid_data.inactive_list))
2185 goto out;
2186
ed5f606f 2187 mutex_lock(&ioc->raid_data.inactive_list_mutex);
b506ade9
EM		 2188 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2189 list) {
2190 if ((component_info->d.PhysDiskID == id) &&
2191 (component_info->d.PhysDiskBus == channel))
2192 rc = 1;
2193 }
ed5f606f 2194 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
b506ade9 2195
793955f5
EM		 2196 out:
2197 return rc;
c7c82987 2198}
793955f5 2199EXPORT_SYMBOL(mptscsih_is_phys_disk);
c7c82987 2200
793955f5
EM		 2201u8
2202mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
1da177e4 2203{
b506ade9 2204 struct inactive_raid_component_info *component_info;
a7938b0b
KD		 2205 int i, j;
2206 RaidPhysDiskPage1_t *phys_disk;
793955f5 2207 int rc = -ENXIO;
a7938b0b 2208 int num_paths;
c92f222e 2209
793955f5
EM		 2210 if (!ioc->raid_data.pIocPg3)
2211 goto out;
2212 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2213 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2214 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2215 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2216 goto out;
1da177e4 2217 }
1da177e4 2218 }
1da177e4 2219
a7938b0b
KD		 2220 if (ioc->bus_type != SAS)
2221 goto out;
2222
2223 /*
2224 * Check if dual path
2225 */
2226 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2227 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2228 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2229 if (num_paths < 2)
2230 continue;
2231 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2232 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2233 if (!phys_disk)
2234 continue;
2235 if ((mpt_raid_phys_disk_pg1(ioc,
2236 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2237 phys_disk))) {
2238 kfree(phys_disk);
2239 continue;
2240 }
2241 for (j = 0; j < num_paths; j++) {
2242 if ((phys_disk->Path[j].Flags &
2243 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2244 continue;
2245 if ((phys_disk->Path[j].Flags &
2246 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2247 continue;
2248 if ((id == phys_disk->Path[j].PhysDiskID) &&
2249 (channel == phys_disk->Path[j].PhysDiskBus)) {
2250 rc = phys_disk->PhysDiskNum;
2251 kfree(phys_disk);
2252 goto out;
2253 }
2254 }
2255 kfree(phys_disk);
2256 }
2257
b506ade9
EM		 2258 /*
2259 * Check inactive list for matching phys disks
2260 */
2261 if (list_empty(&ioc->raid_data.inactive_list))
2262 goto out;
2263
ed5f606f 2264 mutex_lock(&ioc->raid_data.inactive_list_mutex);
b506ade9
EM		 2265 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2266 list) {
2267 if ((component_info->d.PhysDiskID == id) &&
2268 (component_info->d.PhysDiskBus == channel))
2269 rc = component_info->d.PhysDiskNum;
2270 }
ed5f606f 2271 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
b506ade9 2272
793955f5
EM		 2273 out:
2274 return rc;
c7c82987 2275}
793955f5 2276EXPORT_SYMBOL(mptscsih_raid_id_to_num);
1da177e4 2277
c7c82987
MED		 2278/*
2279 * OS entry point to allow for host driver to free allocated memory
2280 * Called if no device present or device being unloaded
2281 */
2282void
2283mptscsih_slave_destroy(struct scsi_device *sdev)
2284{
2285 struct Scsi_Host *host = sdev->host;
e7eae9f6 2286 MPT_SCSI_HOST *hd = shost_priv(host);
c7c82987
MED		 2287 VirtTarget *vtarget;
2288 VirtDevice *vdevice;
2289 struct scsi_target *starget;
2290
2291 starget = scsi_target(sdev);
2292 vtarget = starget->hostdata;
2293 vdevice = sdev->hostdata;
08f5c5c2
KD		 2294 if (!vdevice)
2295 return;
c7c82987
MED		 2296
2297 mptscsih_search_running_cmds(hd, vdevice);
c7c82987 2298 vtarget->num_luns--;
c7c82987
MED		 2299 mptscsih_synchronize_cache(hd, vdevice);
2300 kfree(vdevice);
2301 sdev->hostdata = NULL;
1da177e4
LT		 2302}
2303
6e3815ba
MED		 2304/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2305/*
2306 * mptscsih_change_queue_depth - This function will set a devices queue depth
2307 * @sdev: per scsi_device pointer
2308 * @qdepth: requested queue depth
2309 *
2310 * Adding support for new 'change_queue_depth' api.
2311*/
2312int
db5ed4df 2313mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
1da177e4 2314{
e7eae9f6 2315 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
c7c82987
MED		 2316 VirtTarget *vtarget;
2317 struct scsi_target *starget;
2318 int max_depth;
e80b002b 2319 MPT_ADAPTER *ioc = hd->ioc;
1da177e4 2320
c7c82987
MED		 2321 starget = scsi_target(sdev);
2322 vtarget = starget->hostdata;
6e3815ba 2323
e80b002b 2324 if (ioc->bus_type == SPI) {
c92f222e 2325 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
1da177e4 2326 max_depth = 1;
c92f222e
JB		 2327 else if (sdev->type == TYPE_DISK &&
2328 vtarget->minSyncFactor <= MPT_ULTRA160)
2329 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2330 else
2331 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
1da177e4 2332 } else
79a3ec1a
KD		 2333 max_depth = ioc->sh->can_queue;
2334
2335 if (!sdev->tagged_supported)
2336 max_depth = 1;
1da177e4
LT		 2337
2338 if (qdepth > max_depth)
2339 qdepth = max_depth;
1da177e4 2340
db5ed4df 2341 return scsi_change_queue_depth(sdev, qdepth);
1da177e4
LT		 2342}
2343
1da177e4
LT		 2344/*
2345 * OS entry point to adjust the queue_depths on a per-device basis.
2346 * Called once per device the bus scan. Use it to force the queue_depth
2347 * member to 1 if a device does not support Q tags.
2348 * Return non-zero if fails.
2349 */
0d0c7974 2350int
c7c82987 2351mptscsih_slave_configure(struct scsi_device *sdev)
1da177e4 2352{
c7c82987
MED		 2353 struct Scsi_Host *sh = sdev->host;
2354 VirtTarget *vtarget;
2355 VirtDevice *vdevice;
2356 struct scsi_target *starget;
e7eae9f6 2357 MPT_SCSI_HOST *hd = shost_priv(sh);
e80b002b 2358 MPT_ADAPTER *ioc = hd->ioc;
1da177e4 2359
c7c82987
MED		 2360 starget = scsi_target(sdev);
2361 vtarget = starget->hostdata;
2362 vdevice = sdev->hostdata;
1da177e4 2363
e80b002b 2364 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
9cb78c16 2365 "device @ %p, channel=%d, id=%d, lun=%llu\n",
e80b002b
EM		 2366 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2367 if (ioc->bus_type == SPI)
2368 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
c7c82987 2369 "sdtr %d wdtr %d ppr %d inq length=%d\n",
e80b002b 2370 ioc->name, sdev->sdtr, sdev->wdtr,
c7c82987
MED		 2371 sdev->ppr, sdev->inquiry_len));
2372
793955f5 2373 vdevice->configured_lun = 1;
1da177e4 2374
e80b002b 2375 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1da177e4 2376 "Queue depth=%d, tflags=%x\n",
e80b002b 2377 ioc->name, sdev->queue_depth, vtarget->tflags));
1da177e4 2378
e80b002b
EM		 2379 if (ioc->bus_type == SPI)
2380 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
c7c82987 2381 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
e80b002b 2382 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
c7c82987 2383 vtarget->minSyncFactor));
1da177e4 2384
db5ed4df 2385 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
e80b002b 2386 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
609aa22f
CH		 2387 "tagged %d, simple %d\n",
2388 ioc->name,sdev->tagged_supported, sdev->simple_tags));
1da177e4 2389
2a1b7e57
RK		 2390 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2391
1da177e4
LT		 2392 return 0;
2393}
2394
1da177e4
LT		 2395/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2396/*
2397 * Private routines...
2398 */
2399
2400/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2401/* Utility function to copy sense data from the scsi_cmnd buffer
2402 * to the FC and SCSI target structures.
2403 *
2404 */
2405static void
0d0c7974 2406mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
1da177e4 2407{
a69de507 2408 VirtDevice *vdevice;
1da177e4
LT		 2409 SCSIIORequest_t *pReq;
2410 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
e80b002b 2411 MPT_ADAPTER *ioc = hd->ioc;
1da177e4
LT		 2412
2413 /* Get target structure
2414 */
2415 pReq = (SCSIIORequest_t *) mf;
a69de507 2416 vdevice = sc->device->hostdata;
1da177e4
LT		 2417
2418 if (sense_count) {
2419 u8 *sense_data;
2420 int req_index;
2421
2422 /* Copy the sense received into the scsi command block. */
2423 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
e80b002b 2424 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
1da177e4
LT		 2425 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2426
2427 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2428 */
e80b002b 2429 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
a69de507 2430 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
1da177e4 2431 int idx;
1da177e4 2432
5b5ef4f6 2433 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
1da177e4
LT		 2434 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2435 ioc->events[idx].eventContext = ioc->eventContext;
2436
3d9780b9
DJ		 2437 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2438 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2439 (sc->device->channel << 8) | sc->device->id;
1da177e4 2440
3d9780b9 2441 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
1da177e4
LT		 2442
2443 ioc->eventContext++;
e80b002b 2444 if (ioc->pcidev->vendor ==
786899b0 2445 PCI_VENDOR_ID_IBM) {
e80b002b 2446 mptscsih_issue_sep_command(ioc,
a69de507
EM		 2447 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2448 vdevice->vtarget->tflags |=
786899b0
EM		 2449 MPT_TARGET_FLAGS_LED_ON;
2450 }
1da177e4
LT		 2451 }
2452 }
2453 } else {
e80b002b
EM		 2454 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2455 ioc->name));
1da177e4
LT		 2456 }
2457}
2458
db7051b2
KD		 2459/**
2460 * mptscsih_get_scsi_lookup - retrieves scmd entry
2461 * @ioc: Pointer to MPT_ADAPTER structure
2462 * @i: index into the array
2463 *
2464 * Returns the scsi_cmd pointer
2465 */
2466struct scsi_cmnd *
2467mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2468{
2469 unsigned long flags;
2470 struct scsi_cmnd *scmd;
2471
2472 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2473 scmd = ioc->ScsiLookup[i];
2474 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2475
2476 return scmd;
2477}
2478EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
e8206381
EM		 2479
2480/**
fc847ab4 2481 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2f187862
KD		 2482 * @ioc: Pointer to MPT_ADAPTER structure
2483 * @i: index into the array
2484 *
7105a387 2485 * Returns the scsi_cmd pointer
2f187862 2486 *
e8206381
EM		 2487 **/
2488static struct scsi_cmnd *
2489mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2490{
2491 unsigned long flags;
2492 struct scsi_cmnd *scmd;
2493
2494 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2495 scmd = ioc->ScsiLookup[i];
2496 ioc->ScsiLookup[i] = NULL;
2497 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2498
2499 return scmd;
2500}
2501
2502/**
9b8f77a1 2503 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
e8206381
EM		 2504 *
2505 * @ioc: Pointer to MPT_ADAPTER structure
2506 * @i: index into the array
2507 * @scmd: scsi_cmnd pointer
2508 *
2509 **/
2510static void
2511mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2512{
2513 unsigned long flags;
1da177e4 2514
e8206381
EM		 2515 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2516 ioc->ScsiLookup[i] = scmd;
2517 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2518}
2519
2520/**
23f9b75e 2521 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
e8206381 2522 * @ioc: Pointer to MPT_ADAPTER structure
23f9b75e
RD		 2523 * @sc: scsi_cmnd pointer
2524 */
e8206381
EM		 2525static int
2526SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2527{
2528 unsigned long flags;
2529 int i, index=-1;
1da177e4 2530
e8206381
EM		 2531 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2532 for (i = 0; i < ioc->req_depth; i++) {
2533 if (ioc->ScsiLookup[i] == sc) {
2534 index = i;
2535 goto out;
1da177e4
LT		 2536 }
2537 }
2538
e8206381
EM		 2539 out:
2540 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2541 return index;
1da177e4
LT		 2542}
2543
2544/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
0d0c7974 2545int
1da177e4
LT		 2546mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2547{
2548 MPT_SCSI_HOST *hd;
1da177e4 2549
e7eae9f6 2550 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
1da177e4 2551 return 0;
1da177e4 2552
37c60f37
KD		 2553 hd = shost_priv(ioc->sh);
2554 switch (reset_phase) {
2555 case MPT_IOC_SETUP_RESET:
2556 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2557 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
37c60f37
KD		 2558 break;
2559 case MPT_IOC_PRE_RESET:
2560 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2561 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
37c60f37
KD		 2562 mptscsih_flush_running_cmds(hd);
2563 break;
2564 case MPT_IOC_POST_RESET:
2565 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2566 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2567 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2568 ioc->internal_cmds.status |=
2569 MPT_MGMT_STATUS_DID_IOCRESET;
2570 complete(&ioc->internal_cmds.done);
1da177e4 2571 }
37c60f37
KD		 2572 break;
2573 default:
2574 break;
1da177e4 2575 }
1da177e4
LT		 2576 return 1; /* currently means nothing really */
2577}
2578
2579/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
0d0c7974 2580int
1da177e4
LT		 2581mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2582{
1da177e4
LT		 2583 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2584
37c60f37
KD		 2585 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2586 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2587 ioc->name, event));
1da177e4 2588
2f187862
KD		 2589 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2590 event == MPI_EVENT_EXT_BUS_RESET) &&
2591 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2592 ioc->soft_resets++;
1da177e4
LT		 2593
2594 return 1; /* currently means nothing really */
2595}
2596
1da177e4
LT		 2597/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2598/*
2599 * Bus Scan and Domain Validation functionality ...
2600 */
2601
2602/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2603/*
2604 * mptscsih_scandv_complete - Scan and DV callback routine registered
2605 * to Fustion MPT (base) driver.
2606 *
2607 * @ioc: Pointer to MPT_ADAPTER structure
2608 * @mf: Pointer to original MPT request frame
2609 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2610 *
2611 * This routine is called from mpt.c::mpt_interrupt() at the completion
2612 * of any SCSI IO request.
2613 * This routine is registered with the Fusion MPT (base) driver at driver
2614 * load/init time via the mpt_register() API call.
2615 *
2616 * Returns 1 indicating alloc'd request frame ptr should be freed.
2617 *
2618 * Remark: Sets a completion code and (possibly) saves sense data
2619 * in the IOC member localReply structure.
2620 * Used ONLY for DV and other internal commands.
2621 */
0d0c7974 2622int
37c60f37
KD		 2623mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2624 MPT_FRAME_HDR *reply)
1da177e4 2625{
1da177e4 2626 SCSIIORequest_t *pReq;
37c60f37
KD		 2627 SCSIIOReply_t *pReply;
2628 u8 cmd;
1da177e4 2629 u16 req_idx;
37c60f37
KD		 2630 u8 *sense_data;
2631 int sz;
1da177e4 2632
37c60f37
KD		 2633 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2634 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2635 if (!reply)
2636 goto out;
1da177e4 2637
37c60f37
KD		 2638 pReply = (SCSIIOReply_t *) reply;
2639 pReq = (SCSIIORequest_t *) req;
2640 ioc->internal_cmds.completion_code =
2641 mptscsih_get_completion_code(ioc, req, reply);
2642 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2643 memcpy(ioc->internal_cmds.reply, reply,
2644 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2645 cmd = reply->u.hdr.Function;
2646 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2647 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2648 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2649 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2650 sense_data = ((u8 *)ioc->sense_buf_pool +
2651 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2652 sz = min_t(int, pReq->SenseBufferLength,
2653 MPT_SENSE_BUFFER_ALLOC);
2654 memcpy(ioc->internal_cmds.sense, sense_data, sz);
1da177e4 2655 }
37c60f37
KD		 2656 out:
2657 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2658 return 0;
2659 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2660 complete(&ioc->internal_cmds.done);
1da177e4
LT		 2661 return 1;
2662}
2663
1da177e4 2664
37c60f37 2665/**
9b8f77a1 2666 * mptscsih_get_completion_code - get completion code from MPT request
37c60f37 2667 * @ioc: Pointer to MPT_ADAPTER structure
9cf46a35
RD		 2668 * @req: Pointer to original MPT request frame
2669 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
37c60f37
KD		 2670 *
2671 **/
2672static int
2673mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2674 MPT_FRAME_HDR *reply)
2675{
2676 SCSIIOReply_t *pReply;
2677 MpiRaidActionReply_t *pr;
2678 u8 scsi_status;
2679 u16 status;
2680 int completion_code;
2681
2682 pReply = (SCSIIOReply_t *)reply;
2683 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2684 scsi_status = pReply->SCSIStatus;
2685
2686 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2687 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2688 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2689 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2690
2691 switch (status) {
2692
2693 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2694 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2695 break;
2696
2697 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2698 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2699 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2700 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2701 completion_code = MPT_SCANDV_DID_RESET;
2702 break;
2703
2704 case MPI_IOCSTATUS_BUSY:
2705 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2706 completion_code = MPT_SCANDV_BUSY;
2707 break;
2708
2709 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2710 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2711 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2712 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2713 completion_code = MPT_SCANDV_GOOD;
2714 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2715 pr = (MpiRaidActionReply_t *)reply;
2716 if (le16_to_cpu(pr->ActionStatus) ==
2717 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2718 completion_code = MPT_SCANDV_GOOD;
2719 else
2720 completion_code = MPT_SCANDV_SOME_ERROR;
2721 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2722 completion_code = MPT_SCANDV_SENSE;
2723 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2724 if (req->u.scsireq.CDB[0] == INQUIRY)
2725 completion_code = MPT_SCANDV_ISSUE_SENSE;
2726 else
2727 completion_code = MPT_SCANDV_DID_RESET;
2728 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2729 completion_code = MPT_SCANDV_DID_RESET;
2730 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2731 completion_code = MPT_SCANDV_DID_RESET;
2732 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2733 completion_code = MPT_SCANDV_BUSY;
2734 else
2735 completion_code = MPT_SCANDV_GOOD;
2736 break;
2737
2738 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2739 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2740 completion_code = MPT_SCANDV_DID_RESET;
2741 else
2742 completion_code = MPT_SCANDV_SOME_ERROR;
2743 break;
2744 default:
2745 completion_code = MPT_SCANDV_SOME_ERROR;
2746 break;
2747
2748 } /* switch(status) */
2749
2750 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2751 " completionCode set to %08xh\n", ioc->name, completion_code));
2752 return completion_code;
2753}
1da177e4
LT		 2754
2755/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2756/**
2757 * mptscsih_do_cmd - Do internal command.
2758 * @hd: MPT_SCSI_HOST pointer
2759 * @io: INTERNAL_CMD pointer.
2760 *
2761 * Issue the specified internally generated command and do command
2762 * specific cleanup. For bus scan / DV only.
2763 * NOTES: If command is Inquiry and status is good,
2764 * initialize a target structure, save the data
2765 *
2766 * Remark: Single threaded access only.
2767 *
2768 * Return:
2769 * < 0 if an illegal command or no resources
2770 *
2771 * 0 if good
2772 *
2773 * > 0 if command complete but some type of completion error.
2774 */
2775static int
2776mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2777{
2778 MPT_FRAME_HDR *mf;
2779 SCSIIORequest_t *pScsiReq;
1da177e4 2780 int my_idx, ii, dir;
37c60f37 2781 int timeout;
1da177e4
LT		 2782 char cmdLen;
2783 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
37c60f37
KD		 2784 u8 cmd = io->cmd;
2785 MPT_ADAPTER *ioc = hd->ioc;
2786 int ret = 0;
2787 unsigned long timeleft;
2788 unsigned long flags;
1da177e4 2789
1ba9ab2e
KD		 2790 /* don't send internal command during diag reset */
2791 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2792 if (ioc->ioc_reset_in_progress) {
2793 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2794 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2795 "%s: busy with host reset\n", ioc->name, __func__));
2796 return MPT_SCANDV_BUSY;
2797 }
2798 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2799
37c60f37 2800 mutex_lock(&ioc->internal_cmds.mutex);
1da177e4
LT		 2801
2802 /* Set command specific information
2803 */
2804 switch (cmd) {
2805 case INQUIRY:
2806 cmdLen = 6;
2807 dir = MPI_SCSIIO_CONTROL_READ;
2808 CDB[0] = cmd;
2809 CDB[4] = io->size;
37c60f37 2810 timeout = 10;
1da177e4
LT		 2811 break;
2812
2813 case TEST_UNIT_READY:
2814 cmdLen = 6;
2815 dir = MPI_SCSIIO_CONTROL_READ;
37c60f37 2816 timeout = 10;
1da177e4
LT		 2817 break;
2818
2819 case START_STOP:
2820 cmdLen = 6;
2821 dir = MPI_SCSIIO_CONTROL_READ;
2822 CDB[0] = cmd;
2823 CDB[4] = 1; /*Spin up the disk */
37c60f37 2824 timeout = 15;
1da177e4
LT		 2825 break;
2826
2827 case REQUEST_SENSE:
2828 cmdLen = 6;
2829 CDB[0] = cmd;
2830 CDB[4] = io->size;
2831 dir = MPI_SCSIIO_CONTROL_READ;
37c60f37 2832 timeout = 10;
1da177e4
LT		 2833 break;
2834
2835 case READ_BUFFER:
2836 cmdLen = 10;
2837 dir = MPI_SCSIIO_CONTROL_READ;
2838 CDB[0] = cmd;
2839 if (io->flags & MPT_ICFLAG_ECHO) {
2840 CDB[1] = 0x0A;
2841 } else {
2842 CDB[1] = 0x02;
2843 }
2844
2845 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2846 CDB[1] |= 0x01;
2847 }
2848 CDB[6] = (io->size >> 16) & 0xFF;
2849 CDB[7] = (io->size >> 8) & 0xFF;
2850 CDB[8] = io->size & 0xFF;
37c60f37 2851 timeout = 10;
1da177e4
LT		 2852 break;
2853
2854 case WRITE_BUFFER:
2855 cmdLen = 10;
2856 dir = MPI_SCSIIO_CONTROL_WRITE;
2857 CDB[0] = cmd;
2858 if (io->flags & MPT_ICFLAG_ECHO) {
2859 CDB[1] = 0x0A;
2860 } else {
2861 CDB[1] = 0x02;
2862 }
2863 CDB[6] = (io->size >> 16) & 0xFF;
2864 CDB[7] = (io->size >> 8) & 0xFF;
2865 CDB[8] = io->size & 0xFF;
37c60f37 2866 timeout = 10;
1da177e4
LT		 2867 break;
2868
2869 case RESERVE:
2870 cmdLen = 6;
2871 dir = MPI_SCSIIO_CONTROL_READ;
2872 CDB[0] = cmd;
37c60f37 2873 timeout = 10;
1da177e4
LT		 2874 break;
2875
2876 case RELEASE:
2877 cmdLen = 6;
2878 dir = MPI_SCSIIO_CONTROL_READ;
2879 CDB[0] = cmd;
37c60f37 2880 timeout = 10;
1da177e4
LT		 2881 break;
2882
2883 case SYNCHRONIZE_CACHE:
2884 cmdLen = 10;
2885 dir = MPI_SCSIIO_CONTROL_READ;
2886 CDB[0] = cmd;
2887// CDB[1] = 0x02; /* set immediate bit */
37c60f37 2888 timeout = 10;
1da177e4
LT		 2889 break;
2890
2891 default:
2892 /* Error Case */
37c60f37
KD		 2893 ret = -EFAULT;
2894 goto out;
1da177e4
LT		 2895 }
2896
2897 /* Get and Populate a free Frame
37c60f37 2898 * MsgContext set in mpt_get_msg_frame call
1da177e4 2899 */
e80b002b 2900 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
37c60f37
KD		 2901 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2902 ioc->name, __func__));
2903 ret = MPT_SCANDV_BUSY;
2904 goto out;
1da177e4
LT		 2905 }
2906
2907 pScsiReq = (SCSIIORequest_t *) mf;
2908
2909 /* Get the request index */
2910 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2911 ADD_INDEX_LOG(my_idx); /* for debug */
2912
2913 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2914 pScsiReq->TargetID = io->physDiskNum;
2915 pScsiReq->Bus = 0;
2916 pScsiReq->ChainOffset = 0;
2917 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2918 } else {
2919 pScsiReq->TargetID = io->id;
793955f5 2920 pScsiReq->Bus = io->channel;
1da177e4
LT		 2921 pScsiReq->ChainOffset = 0;
2922 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2923 }
2924
2925 pScsiReq->CDBLength = cmdLen;
2926 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2927
2928 pScsiReq->Reserved = 0;
2929
14d0f0b0 2930 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1da177e4
LT		 2931 /* MsgContext set in mpt_get_msg_fram call */
2932
793955f5 2933 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
1da177e4
LT		 2934
2935 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2936 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
2937 else
2938 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2939
2940 if (cmd == REQUEST_SENSE) {
2941 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
37c60f37
KD		 2942 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2943 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
1da177e4
LT		 2944 }
2945
37c60f37 2946 for (ii = 0; ii < 16; ii++)
1da177e4
LT		 2947 pScsiReq->CDB[ii] = CDB[ii];
2948
2949 pScsiReq->DataLength = cpu_to_le32(io->size);
e80b002b 2950 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1da177e4
LT		 2951 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
2952
37c60f37 2953 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
9cb78c16 2954 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n",
37c60f37 2955 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
1da177e4 2956
37c60f37 2957 if (dir == MPI_SCSIIO_CONTROL_READ)
14d0f0b0 2958 ioc->add_sge((char *) &pScsiReq->SGL,
37c60f37
KD		 2959 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
2960 else
14d0f0b0 2961 ioc->add_sge((char *) &pScsiReq->SGL,
37c60f37 2962 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
1da177e4 2963
37c60f37 2964 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
e80b002b 2965 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
37c60f37
KD		 2966 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
2967 timeout*HZ);
2968 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2969 ret = MPT_SCANDV_DID_RESET;
2970 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2971 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
2972 cmd));
2973 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
2974 mpt_free_msg_frame(ioc, mf);
2975 goto out;
2976 }
2977 if (!timeleft) {
97009a29
KT		 2978 printk(MYIOC_s_WARN_FMT
2979 "Issuing Reset from %s!! doorbell=0x%08xh"
2980 " cmd=0x%02x\n",
2981 ioc->name, __func__, mpt_GetIocState(ioc, 0),
2982 cmd);
d0f698c4 2983 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
37c60f37
KD		 2984 mpt_free_msg_frame(ioc, mf);
2985 }
2986 goto out;
1da177e4
LT		 2987 }
2988
37c60f37
KD		 2989 ret = ioc->internal_cmds.completion_code;
2990 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
2991 ioc->name, __func__, ret));
2992
2993 out:
2994 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
2995 mutex_unlock(&ioc->internal_cmds.mutex);
2996 return ret;
1da177e4
LT		 2997}
2998
c7c82987
MED		 2999/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3000/**
3001 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3002 * @hd: Pointer to a SCSI HOST structure
d9489fb6 3003 * @vdevice: virtual target device
c7c82987
MED		 3004 *
3005 * Uses the ISR, but with special processing.
3006 * MUST be single-threaded.
3007 *
3008 */
3009static void
3010mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3011{
3012 INTERNAL_CMD iocmd;
1da177e4 3013
cc78d30a
EM		 3014 /* Ignore hidden raid components, this is handled when the command
3015 * is sent to the volume
3016 */
3017 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3018 return;
3019
3020 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3021 !vdevice->configured_lun)
3022 return;
3023
c7c82987
MED		 3024 /* Following parameters will not change
3025 * in this routine.
3026 */
3027 iocmd.cmd = SYNCHRONIZE_CACHE;
3028 iocmd.flags = 0;
3029 iocmd.physDiskNum = -1;
3030 iocmd.data = NULL;
3031 iocmd.data_dma = -1;
3032 iocmd.size = 0;
3033 iocmd.rsvd = iocmd.rsvd2 = 0;
793955f5
EM		 3034 iocmd.channel = vdevice->vtarget->channel;
3035 iocmd.id = vdevice->vtarget->id;
3036 iocmd.lun = vdevice->lun;
1da177e4 3037
cc78d30a 3038 mptscsih_do_cmd(hd, &iocmd);
1da177e4
LT		 3039}
3040
edb9068d 3041static ssize_t
ee959b00
TJ		 3042mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3043 char *buf)
edb9068d 3044{
ee959b00 3045 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3046 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3047 MPT_ADAPTER *ioc = hd->ioc;
3048
3049 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3050 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3051 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3052 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3053 ioc->facts.FWVersion.Word & 0x000000FF);
3054}
ee959b00 3055static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
edb9068d
PS		 3056
3057static ssize_t
ee959b00
TJ		 3058mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3059 char *buf)
edb9068d 3060{
ee959b00 3061 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3062 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3063 MPT_ADAPTER *ioc = hd->ioc;
3064
3065 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3066 (ioc->biosVersion & 0xFF000000) >> 24,
3067 (ioc->biosVersion & 0x00FF0000) >> 16,
3068 (ioc->biosVersion & 0x0000FF00) >> 8,
3069 ioc->biosVersion & 0x000000FF);
3070}
ee959b00 3071static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
edb9068d
PS		 3072
3073static ssize_t
ee959b00
TJ		 3074mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3075 char *buf)
edb9068d 3076{
ee959b00 3077 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3078 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3079 MPT_ADAPTER *ioc = hd->ioc;
3080
3081 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3082}
ee959b00 3083static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
edb9068d
PS		 3084
3085static ssize_t
ee959b00
TJ		 3086mptscsih_version_product_show(struct device *dev,
3087 struct device_attribute *attr,
3088char *buf)
edb9068d 3089{
ee959b00 3090 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3091 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3092 MPT_ADAPTER *ioc = hd->ioc;
3093
3094 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3095}
ee959b00 3096static DEVICE_ATTR(version_product, S_IRUGO,
edb9068d
PS		 3097 mptscsih_version_product_show, NULL);
3098
3099static ssize_t
ee959b00
TJ		 3100mptscsih_version_nvdata_persistent_show(struct device *dev,
3101 struct device_attribute *attr,
3102 char *buf)
edb9068d 3103{
ee959b00 3104 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3105 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3106 MPT_ADAPTER *ioc = hd->ioc;
3107
3108 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3109 ioc->nvdata_version_persistent);
3110}
ee959b00 3111static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
edb9068d
PS		 3112 mptscsih_version_nvdata_persistent_show, NULL);
3113
3114static ssize_t
ee959b00
TJ		 3115mptscsih_version_nvdata_default_show(struct device *dev,
3116 struct device_attribute *attr, char *buf)
edb9068d 3117{
ee959b00 3118 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3119 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3120 MPT_ADAPTER *ioc = hd->ioc;
3121
3122 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3123}
ee959b00 3124static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
edb9068d
PS		 3125 mptscsih_version_nvdata_default_show, NULL);
3126
3127static ssize_t
ee959b00
TJ		 3128mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3129 char *buf)
edb9068d 3130{
ee959b00 3131 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3132 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3133 MPT_ADAPTER *ioc = hd->ioc;
3134
3135 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3136}
ee959b00 3137static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
edb9068d
PS		 3138
3139static ssize_t
ee959b00
TJ		 3140mptscsih_board_assembly_show(struct device *dev,
3141 struct device_attribute *attr, char *buf)
edb9068d 3142{
ee959b00 3143 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3144 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3145 MPT_ADAPTER *ioc = hd->ioc;
3146
3147 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3148}
ee959b00 3149static DEVICE_ATTR(board_assembly, S_IRUGO,
edb9068d
PS		 3150 mptscsih_board_assembly_show, NULL);
3151
3152static ssize_t
ee959b00
TJ		 3153mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3154 char *buf)
edb9068d 3155{
ee959b00 3156 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3157 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3158 MPT_ADAPTER *ioc = hd->ioc;
3159
3160 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3161}
ee959b00 3162static DEVICE_ATTR(board_tracer, S_IRUGO,
edb9068d
PS		 3163 mptscsih_board_tracer_show, NULL);
3164
3165static ssize_t
ee959b00
TJ		 3166mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3167 char *buf)
edb9068d 3168{
ee959b00 3169 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3170 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3171 MPT_ADAPTER *ioc = hd->ioc;
3172
3173 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3174}
ee959b00 3175static DEVICE_ATTR(io_delay, S_IRUGO,
edb9068d
PS		 3176 mptscsih_io_delay_show, NULL);
3177
3178static ssize_t
ee959b00
TJ		 3179mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3180 char *buf)
edb9068d 3181{
ee959b00 3182 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3183 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3184 MPT_ADAPTER *ioc = hd->ioc;
3185
3186 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3187}
ee959b00 3188static DEVICE_ATTR(device_delay, S_IRUGO,
edb9068d
PS		 3189 mptscsih_device_delay_show, NULL);
3190
6757d6b4 3191static ssize_t
ee959b00
TJ		 3192mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3193 char *buf)
6757d6b4 3194{
ee959b00 3195 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3196 MPT_SCSI_HOST *hd = shost_priv(host);
6757d6b4
PS		 3197 MPT_ADAPTER *ioc = hd->ioc;
3198
3199 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3200}
3201static ssize_t
ee959b00
TJ		 3202mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3203 const char *buf, size_t count)
6757d6b4 3204{
ee959b00 3205 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3206 MPT_SCSI_HOST *hd = shost_priv(host);
6757d6b4
PS		 3207 MPT_ADAPTER *ioc = hd->ioc;
3208 int val = 0;
3209
3210 if (sscanf(buf, "%x", &val) != 1)
3211 return -EINVAL;
3212
3213 ioc->debug_level = val;
3214 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3215 ioc->name, ioc->debug_level);
3216 return strlen(buf);
3217}
ee959b00
TJ		 3218static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3219 mptscsih_debug_level_show, mptscsih_debug_level_store);
3220
3221struct device_attribute *mptscsih_host_attrs[] = {
3222 &dev_attr_version_fw,
3223 &dev_attr_version_bios,
3224 &dev_attr_version_mpi,
3225 &dev_attr_version_product,
3226 &dev_attr_version_nvdata_persistent,
3227 &dev_attr_version_nvdata_default,
3228 &dev_attr_board_name,
3229 &dev_attr_board_assembly,
3230 &dev_attr_board_tracer,
3231 &dev_attr_io_delay,
3232 &dev_attr_device_delay,
3233 &dev_attr_debug_level,
edb9068d
PS		 3234 NULL,
3235};
37c60f37 3236
edb9068d
PS		 3237EXPORT_SYMBOL(mptscsih_host_attrs);
3238
0d0c7974
MED		 3239EXPORT_SYMBOL(mptscsih_remove);
3240EXPORT_SYMBOL(mptscsih_shutdown);
3241#ifdef CONFIG_PM
3242EXPORT_SYMBOL(mptscsih_suspend);
3243EXPORT_SYMBOL(mptscsih_resume);
3244#endif
cac19703 3245EXPORT_SYMBOL(mptscsih_show_info);
0d0c7974
MED		 3246EXPORT_SYMBOL(mptscsih_info);
3247EXPORT_SYMBOL(mptscsih_qcmd);
0d0c7974
MED		 3248EXPORT_SYMBOL(mptscsih_slave_destroy);
3249EXPORT_SYMBOL(mptscsih_slave_configure);
3250EXPORT_SYMBOL(mptscsih_abort);
3251EXPORT_SYMBOL(mptscsih_dev_reset);
3252EXPORT_SYMBOL(mptscsih_bus_reset);
3253EXPORT_SYMBOL(mptscsih_host_reset);
3254EXPORT_SYMBOL(mptscsih_bios_param);
3255EXPORT_SYMBOL(mptscsih_io_done);
3256EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3257EXPORT_SYMBOL(mptscsih_scandv_complete);
3258EXPORT_SYMBOL(mptscsih_event_process);
3259EXPORT_SYMBOL(mptscsih_ioc_reset);
6e3815ba 3260EXPORT_SYMBOL(mptscsih_change_queue_depth);
1da177e4 3261
0d0c7974 3262/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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