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1/*
2 * linux/drivers/message/fusion/mptscsih.c
3 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
5 *
6 * Copyright (c) 1999-2008 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
8 *
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
47#include <linux/module.h>
48#include <linux/kernel.h>
49#include <linux/slab.h>
50#include <linux/init.h>
51#include <linux/errno.h>
52#include <linux/kdev_t.h>
53#include <linux/blkdev.h>
54#include <linux/delay.h> /* for mdelay */
55#include <linux/interrupt.h>
56#include <linux/reboot.h> /* notifier code */
57#include <linux/workqueue.h>
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>
64#include <scsi/scsi_dbg.h>
65
66#include "mptbase.h"
67#include "mptscsih.h"
68#include "lsi/mpi_log_sas.h"
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");
78MODULE_VERSION(my_VERSION);
79
80/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
81/*
82 * Other private/forward protos...
83 */
84struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
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);
88int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
89static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
90int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
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);
95static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
96
97int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
98 u64 lun, int ctx2abort, ulong timeout);
99
100int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
101int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
102
103void
104mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
105static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
106 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
107int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
108static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
109static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
110
111static int
112mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
113 SCSITaskMgmtReply_t *pScsiTmReply);
114void mptscsih_remove(struct pci_dev *);
115void mptscsih_shutdown(struct pci_dev *);
116#ifdef CONFIG_PM
117int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
118int mptscsih_resume(struct pci_dev *pdev);
119#endif
120
121
122/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
123/*
124 * mptscsih_getFreeChainBuffer - Function to get a free chain
125 * from the MPT_SCSI_HOST FreeChainQ.
126 * @ioc: Pointer to MPT_ADAPTER structure
127 * @req_idx: Index of the SCSI IO request frame. (output)
128 *
129 * return SUCCESS or FAILED
130 */
131static inline int
132mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
133{
134 MPT_FRAME_HDR *chainBuf;
135 unsigned long flags;
136 int rc;
137 int chain_idx;
138
139 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
140 ioc->name));
141 spin_lock_irqsave(&ioc->FreeQlock, flags);
142 if (!list_empty(&ioc->FreeChainQ)) {
143 int offset;
144
145 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
146 u.frame.linkage.list);
147 list_del(&chainBuf->u.frame.linkage.list);
148 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
149 chain_idx = offset / ioc->req_sz;
150 rc = SUCCESS;
151 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
152 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
153 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
154 } else {
155 rc = FAILED;
156 chain_idx = MPT_HOST_NO_CHAIN;
157 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
158 ioc->name));
159 }
160 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
161
162 *retIndex = chain_idx;
163 return rc;
164} /* mptscsih_getFreeChainBuffer() */
165
166/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
167/*
168 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
169 * SCSIIORequest_t Message Frame.
170 * @ioc: Pointer to MPT_ADAPTER structure
171 * @SCpnt: Pointer to scsi_cmnd structure
172 * @pReq: Pointer to SCSIIORequest_t structure
173 *
174 * Returns ...
175 */
176static int
177mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
178 SCSIIORequest_t *pReq, int req_idx)
179{
180 char *psge;
181 char *chainSge;
182 struct scatterlist *sg;
183 int frm_sz;
184 int sges_left, sg_done;
185 int chain_idx = MPT_HOST_NO_CHAIN;
186 int sgeOffset;
187 int numSgeSlots, numSgeThisFrame;
188 u32 sgflags, sgdir, thisxfer = 0;
189 int chain_dma_off = 0;
190 int newIndex;
191 int ii;
192 dma_addr_t v2;
193 u32 RequestNB;
194
195 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
196 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
197 sgdir = MPT_TRANSFER_HOST_TO_IOC;
198 } else {
199 sgdir = MPT_TRANSFER_IOC_TO_HOST;
200 }
201
202 psge = (char *) &pReq->SGL;
203 frm_sz = ioc->req_sz;
204
205 /* Map the data portion, if any.
206 * sges_left = 0 if no data transfer.
207 */
208 sges_left = scsi_dma_map(SCpnt);
209 if (sges_left < 0)
210 return FAILED;
211
212 /* Handle the SG case.
213 */
214 sg = scsi_sglist(SCpnt);
215 sg_done = 0;
216 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
217 chainSge = NULL;
218
219 /* Prior to entering this loop - the following must be set
220 * current MF: sgeOffset (bytes)
221 * chainSge (Null if original MF is not a chain buffer)
222 * sg_done (num SGE done for this MF)
223 */
224
225nextSGEset:
226 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
227 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
228
229 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
230
231 /* Get first (num - 1) SG elements
232 * Skip any SG entries with a length of 0
233 * NOTE: at finish, sg and psge pointed to NEXT data/location positions
234 */
235 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
236 thisxfer = sg_dma_len(sg);
237 if (thisxfer == 0) {
238 /* Get next SG element from the OS */
239 sg = sg_next(sg);
240 sg_done++;
241 continue;
242 }
243
244 v2 = sg_dma_address(sg);
245 ioc->add_sge(psge, sgflags | thisxfer, v2);
246
247 /* Get next SG element from the OS */
248 sg = sg_next(sg);
249 psge += ioc->SGE_size;
250 sgeOffset += ioc->SGE_size;
251 sg_done++;
252 }
253
254 if (numSgeThisFrame == sges_left) {
255 /* Add last element, end of buffer and end of list flags.
256 */
257 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
258 MPT_SGE_FLAGS_END_OF_BUFFER |
259 MPT_SGE_FLAGS_END_OF_LIST;
260
261 /* Add last SGE and set termination flags.
262 * Note: Last SGE may have a length of 0 - which should be ok.
263 */
264 thisxfer = sg_dma_len(sg);
265
266 v2 = sg_dma_address(sg);
267 ioc->add_sge(psge, sgflags | thisxfer, v2);
268 sgeOffset += ioc->SGE_size;
269 sg_done++;
270
271 if (chainSge) {
272 /* The current buffer is a chain buffer,
273 * but there is not another one.
274 * Update the chain element
275 * Offset and Length fields.
276 */
277 ioc->add_chain((char *)chainSge, 0, sgeOffset,
278 ioc->ChainBufferDMA + chain_dma_off);
279 } else {
280 /* The current buffer is the original MF
281 * and there is no Chain buffer.
282 */
283 pReq->ChainOffset = 0;
284 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
285 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
286 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
287 ioc->RequestNB[req_idx] = RequestNB;
288 }
289 } else {
290 /* At least one chain buffer is needed.
291 * Complete the first MF
292 * - last SGE element, set the LastElement bit
293 * - set ChainOffset (words) for orig MF
294 * (OR finish previous MF chain buffer)
295 * - update MFStructPtr ChainIndex
296 * - Populate chain element
297 * Also
298 * Loop until done.
299 */
300
301 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
302 ioc->name, sg_done));
303
304 /* Set LAST_ELEMENT flag for last non-chain element
305 * in the buffer. Since psge points at the NEXT
306 * SGE element, go back one SGE element, update the flags
307 * and reset the pointer. (Note: sgflags & thisxfer are already
308 * set properly).
309 */
310 if (sg_done) {
311 u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
312 sgflags = le32_to_cpu(*ptmp);
313 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
314 *ptmp = cpu_to_le32(sgflags);
315 }
316
317 if (chainSge) {
318 /* The current buffer is a chain buffer.
319 * chainSge points to the previous Chain Element.
320 * Update its chain element Offset and Length (must
321 * include chain element size) fields.
322 * Old chain element is now complete.
323 */
324 u8 nextChain = (u8) (sgeOffset >> 2);
325 sgeOffset += ioc->SGE_size;
326 ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
327 ioc->ChainBufferDMA + chain_dma_off);
328 } else {
329 /* The original MF buffer requires a chain buffer -
330 * set the offset.
331 * Last element in this MF is a chain element.
332 */
333 pReq->ChainOffset = (u8) (sgeOffset >> 2);
334 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
335 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
336 ioc->RequestNB[req_idx] = RequestNB;
337 }
338
339 sges_left -= sg_done;
340
341
342 /* NOTE: psge points to the beginning of the chain element
343 * in current buffer. Get a chain buffer.
344 */
345 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
346 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
347 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
348 ioc->name, pReq->CDB[0], SCpnt));
349 return FAILED;
350 }
351
352 /* Update the tracking arrays.
353 * If chainSge == NULL, update ReqToChain, else ChainToChain
354 */
355 if (chainSge) {
356 ioc->ChainToChain[chain_idx] = newIndex;
357 } else {
358 ioc->ReqToChain[req_idx] = newIndex;
359 }
360 chain_idx = newIndex;
361 chain_dma_off = ioc->req_sz * chain_idx;
362
363 /* Populate the chainSGE for the current buffer.
364 * - Set chain buffer pointer to psge and fill
365 * out the Address and Flags fields.
366 */
367 chainSge = (char *) psge;
368 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
369 ioc->name, psge, req_idx));
370
371 /* Start the SGE for the next buffer
372 */
373 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
374 sgeOffset = 0;
375 sg_done = 0;
376
377 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
378 ioc->name, psge, chain_idx));
379
380 /* Start the SGE for the next buffer
381 */
382
383 goto nextSGEset;
384 }
385
386 return SUCCESS;
387} /* mptscsih_AddSGE() */
388
389static void
390mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
391 U32 SlotStatus)
392{
393 MPT_FRAME_HDR *mf;
394 SEPRequest_t *SEPMsg;
395
396 if (ioc->bus_type != SAS)
397 return;
398
399 /* Not supported for hidden raid components
400 */
401 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
402 return;
403
404 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
405 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
406 ioc->name,__func__));
407 return;
408 }
409
410 SEPMsg = (SEPRequest_t *)mf;
411 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
412 SEPMsg->Bus = vtarget->channel;
413 SEPMsg->TargetID = vtarget->id;
414 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
415 SEPMsg->SlotStatus = SlotStatus;
416 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
417 "Sending SEP cmd=%x channel=%d id=%d\n",
418 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
419 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
420}
421
422#ifdef CONFIG_FUSION_LOGGING
423/**
424 * mptscsih_info_scsiio - debug print info on reply frame
425 * @ioc: Pointer to MPT_ADAPTER structure
426 * @sc: original scsi cmnd pointer
427 * @pScsiReply: Pointer to MPT reply frame
428 *
429 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
430 *
431 * Refer to lsi/mpi.h.
432 **/
433static void
434mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
435{
436 char *desc = NULL;
437 char *desc1 = NULL;
438 u16 ioc_status;
439 u8 skey, asc, ascq;
440
441 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
442
443 switch (ioc_status) {
444
445 case MPI_IOCSTATUS_SUCCESS:
446 desc = "success";
447 break;
448 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
449 desc = "invalid bus";
450 break;
451 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
452 desc = "invalid target_id";
453 break;
454 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
455 desc = "device not there";
456 break;
457 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
458 desc = "data overrun";
459 break;
460 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
461 desc = "data underrun";
462 break;
463 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
464 desc = "I/O data error";
465 break;
466 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
467 desc = "protocol error";
468 break;
469 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
470 desc = "task terminated";
471 break;
472 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
473 desc = "residual mismatch";
474 break;
475 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
476 desc = "task management failed";
477 break;
478 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
479 desc = "IOC terminated";
480 break;
481 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
482 desc = "ext terminated";
483 break;
484 default:
485 desc = "";
486 break;
487 }
488
489 switch (pScsiReply->SCSIStatus)
490 {
491
492 case MPI_SCSI_STATUS_SUCCESS:
493 desc1 = "success";
494 break;
495 case MPI_SCSI_STATUS_CHECK_CONDITION:
496 desc1 = "check condition";
497 break;
498 case MPI_SCSI_STATUS_CONDITION_MET:
499 desc1 = "condition met";
500 break;
501 case MPI_SCSI_STATUS_BUSY:
502 desc1 = "busy";
503 break;
504 case MPI_SCSI_STATUS_INTERMEDIATE:
505 desc1 = "intermediate";
506 break;
507 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
508 desc1 = "intermediate condmet";
509 break;
510 case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
511 desc1 = "reservation conflict";
512 break;
513 case MPI_SCSI_STATUS_COMMAND_TERMINATED:
514 desc1 = "command terminated";
515 break;
516 case MPI_SCSI_STATUS_TASK_SET_FULL:
517 desc1 = "task set full";
518 break;
519 case MPI_SCSI_STATUS_ACA_ACTIVE:
520 desc1 = "aca active";
521 break;
522 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
523 desc1 = "fcpext device logged out";
524 break;
525 case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
526 desc1 = "fcpext no link";
527 break;
528 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
529 desc1 = "fcpext unassigned";
530 break;
531 default:
532 desc1 = "";
533 break;
534 }
535
536 scsi_print_command(sc);
537 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %llu\n",
538 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
539 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
540 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
541 scsi_get_resid(sc));
542 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
543 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
544 le32_to_cpu(pScsiReply->TransferCount), sc->result);
545
546 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
547 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
548 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
549 pScsiReply->SCSIState);
550
551 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
552 skey = sc->sense_buffer[2] & 0x0F;
553 asc = sc->sense_buffer[12];
554 ascq = sc->sense_buffer[13];
555
556 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
557 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
558 }
559
560 /*
561 * Look for + dump FCP ResponseInfo[]!
562 */
563 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
564 pScsiReply->ResponseInfo)
565 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
566 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
567}
568#endif
569
570/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
571/*
572 * mptscsih_io_done - Main SCSI IO callback routine registered to
573 * Fusion MPT (base) driver
574 * @ioc: Pointer to MPT_ADAPTER structure
575 * @mf: Pointer to original MPT request frame
576 * @r: Pointer to MPT reply frame (NULL if TurboReply)
577 *
578 * This routine is called from mpt.c::mpt_interrupt() at the completion
579 * of any SCSI IO request.
580 * This routine is registered with the Fusion MPT (base) driver at driver
581 * load/init time via the mpt_register() API call.
582 *
583 * Returns 1 indicating alloc'd request frame ptr should be freed.
584 */
585int
586mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
587{
588 struct scsi_cmnd *sc;
589 MPT_SCSI_HOST *hd;
590 SCSIIORequest_t *pScsiReq;
591 SCSIIOReply_t *pScsiReply;
592 u16 req_idx, req_idx_MR;
593 VirtDevice *vdevice;
594 VirtTarget *vtarget;
595
596 hd = shost_priv(ioc->sh);
597 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
598 req_idx_MR = (mr != NULL) ?
599 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
600
601 /* Special case, where already freed message frame is received from
602 * Firmware. It happens with Resetting IOC.
603 * Return immediately. Do not care
604 */
605 if ((req_idx != req_idx_MR) ||
606 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
607 return 0;
608
609 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
610 if (sc == NULL) {
611 MPIHeader_t *hdr = (MPIHeader_t *)mf;
612
613 /* Remark: writeSDP1 will use the ScsiDoneCtx
614 * If a SCSI I/O cmd, device disabled by OS and
615 * completion done. Cannot touch sc struct. Just free mem.
616 */
617 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
618 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
619 ioc->name);
620
621 mptscsih_freeChainBuffers(ioc, req_idx);
622 return 1;
623 }
624
625 if ((unsigned char *)mf != sc->host_scribble) {
626 mptscsih_freeChainBuffers(ioc, req_idx);
627 return 1;
628 }
629
630 if (ioc->bus_type == SAS) {
631 VirtDevice *vdevice = sc->device->hostdata;
632
633 if (!vdevice || !vdevice->vtarget ||
634 vdevice->vtarget->deleted) {
635 sc->result = DID_NO_CONNECT << 16;
636 goto out;
637 }
638 }
639
640 sc->host_scribble = NULL;
641 sc->result = DID_OK << 16; /* Set default reply as OK */
642 pScsiReq = (SCSIIORequest_t *) mf;
643 pScsiReply = (SCSIIOReply_t *) mr;
644
645 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
646 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
647 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
648 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
649 }else{
650 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
651 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
652 ioc->name, mf, mr, sc, req_idx));
653 }
654
655 if (pScsiReply == NULL) {
656 /* special context reply handling */
657 ;
658 } else {
659 u32 xfer_cnt;
660 u16 status;
661 u8 scsi_state, scsi_status;
662 u32 log_info;
663
664 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
665
666 scsi_state = pScsiReply->SCSIState;
667 scsi_status = pScsiReply->SCSIStatus;
668 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
669 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
670 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
671
672 /*
673 * if we get a data underrun indication, yet no data was
674 * transferred and the SCSI status indicates that the
675 * command was never started, change the data underrun
676 * to success
677 */
678 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
679 (scsi_status == MPI_SCSI_STATUS_BUSY ||
680 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
681 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
682 status = MPI_IOCSTATUS_SUCCESS;
683 }
684
685 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
686 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
687
688 /*
689 * Look for + dump FCP ResponseInfo[]!
690 */
691 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
692 pScsiReply->ResponseInfo) {
693 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%llu] "
694 "FCP_ResponseInfo=%08xh\n", ioc->name,
695 sc->device->host->host_no, sc->device->channel,
696 sc->device->id, sc->device->lun,
697 le32_to_cpu(pScsiReply->ResponseInfo));
698 }
699
700 switch(status) {
701 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
702 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
703 /* CHECKME!
704 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
705 * But not: DID_BUS_BUSY lest one risk
706 * killing interrupt handler:-(
707 */
708 sc->result = SAM_STAT_BUSY;
709 break;
710
711 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
712 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
713 sc->result = DID_BAD_TARGET << 16;
714 break;
715
716 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
717 /* Spoof to SCSI Selection Timeout! */
718 if (ioc->bus_type != FC)
719 sc->result = DID_NO_CONNECT << 16;
720 /* else fibre, just stall until rescan event */
721 else
722 sc->result = DID_REQUEUE << 16;
723
724 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
725 hd->sel_timeout[pScsiReq->TargetID]++;
726
727 vdevice = sc->device->hostdata;
728 if (!vdevice)
729 break;
730 vtarget = vdevice->vtarget;
731 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
732 mptscsih_issue_sep_command(ioc, vtarget,
733 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
734 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
735 }
736 break;
737
738 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
739 if ( ioc->bus_type == SAS ) {
740 u16 ioc_status =
741 le16_to_cpu(pScsiReply->IOCStatus);
742 if ((ioc_status &
743 MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
744 &&
745 ((log_info & SAS_LOGINFO_MASK) ==
746 SAS_LOGINFO_NEXUS_LOSS)) {
747 VirtDevice *vdevice =
748 sc->device->hostdata;
749
750 /* flag the device as being in
751 * device removal delay so we can
752 * notify the midlayer to hold off
753 * on timeout eh */
754 if (vdevice && vdevice->
755 vtarget &&
756 vdevice->vtarget->
757 raidVolume)
758 printk(KERN_INFO
759 "Skipping Raid Volume"
760 "for inDMD\n");
761 else if (vdevice &&
762 vdevice->vtarget)
763 vdevice->vtarget->
764 inDMD = 1;
765
766 sc->result =
767 (DID_TRANSPORT_DISRUPTED
768 << 16);
769 break;
770 }
771 } else if (ioc->bus_type == FC) {
772 /*
773 * The FC IOC may kill a request for variety of
774 * reasons, some of which may be recovered by a
775 * retry, some which are unlikely to be
776 * recovered. Return DID_ERROR instead of
777 * DID_RESET to permit retry of the command,
778 * just not an infinite number of them
779 */
780 sc->result = DID_ERROR << 16;
781 break;
782 }
783
784 /*
785 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
786 */
787 fallthrough;
788
789 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
790 /* Linux handles an unsolicited DID_RESET better
791 * than an unsolicited DID_ABORT.
792 */
793 sc->result = DID_RESET << 16;
794 break;
795
796 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
797 if (ioc->bus_type == FC)
798 sc->result = DID_ERROR << 16;
799 else
800 sc->result = DID_RESET << 16;
801 break;
802
803 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
804 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
805 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
806 sc->result=DID_SOFT_ERROR << 16;
807 else /* Sufficient data transfer occurred */
808 sc->result = (DID_OK << 16) | scsi_status;
809 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
810 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
811 ioc->name, sc->result, sc->device->channel, sc->device->id));
812 break;
813
814 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
815 /*
816 * Do upfront check for valid SenseData and give it
817 * precedence!
818 */
819 sc->result = (DID_OK << 16) | scsi_status;
820 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
821
822 /*
823 * For an Errata on LSI53C1030
824 * When the length of request data
825 * and transfer data are different
826 * with result of command (READ or VERIFY),
827 * DID_SOFT_ERROR is set.
828 */
829 if (ioc->bus_type == SPI) {
830 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
831 pScsiReq->CDB[0] == READ_10 ||
832 pScsiReq->CDB[0] == READ_12 ||
833 (pScsiReq->CDB[0] == READ_16 &&
834 ((pScsiReq->CDB[1] & 0x02) == 0)) ||
835 pScsiReq->CDB[0] == VERIFY ||
836 pScsiReq->CDB[0] == VERIFY_16) {
837 if (scsi_bufflen(sc) !=
838 xfer_cnt) {
839 sc->result =
840 DID_SOFT_ERROR << 16;
841 printk(KERN_WARNING "Errata"
842 "on LSI53C1030 occurred."
843 "sc->req_bufflen=0x%02x,"
844 "xfer_cnt=0x%02x\n",
845 scsi_bufflen(sc),
846 xfer_cnt);
847 }
848 }
849 }
850
851 if (xfer_cnt < sc->underflow) {
852 if (scsi_status == SAM_STAT_BUSY)
853 sc->result = SAM_STAT_BUSY;
854 else
855 sc->result = DID_SOFT_ERROR << 16;
856 }
857 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
858 /* What to do?
859 */
860 sc->result = DID_SOFT_ERROR << 16;
861 }
862 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
863 /* Not real sure here either... */
864 sc->result = DID_RESET << 16;
865 }
866 }
867
868
869 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
870 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
871 ioc->name, sc->underflow));
872 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
873 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
874
875 /* Report Queue Full
876 */
877 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
878 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
879
880 break;
881
882 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
883 scsi_set_resid(sc, 0);
884 fallthrough;
885 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
886 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
887 sc->result = (DID_OK << 16) | scsi_status;
888 if (scsi_state == 0) {
889 ;
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
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 */
989 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
990 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
991 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
992 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
993 default:
994 /*
995 * What to do?
996 */
997 sc->result = DID_SOFT_ERROR << 16;
998 break;
999
1000 } /* switch(status) */
1001
1002#ifdef CONFIG_FUSION_LOGGING
1003 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
1004 mptscsih_info_scsiio(ioc, sc, pScsiReply);
1005#endif
1006
1007 } /* end of address reply case */
1008out:
1009 /* Unmap the DMA buffers, if any. */
1010 scsi_dma_unmap(sc);
1011
1012 scsi_done(sc); /* Issue the command callback */
1013
1014 /* Free Chain buffers */
1015 mptscsih_freeChainBuffers(ioc, req_idx);
1016 return 1;
1017}
1018
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 */
1029void
1030mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1031{
1032 MPT_ADAPTER *ioc = hd->ioc;
1033 struct scsi_cmnd *sc;
1034 SCSIIORequest_t *mf = NULL;
1035 int ii;
1036 int channel, id;
1037
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;
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));
1057 scsi_done(sc);
1058 }
1059}
1060EXPORT_SYMBOL(mptscsih_flush_running_cmds);
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.
1068 * (BUT, BUT, BUT, the code does reference it! - mdr)
1069 * @hd: Pointer to a SCSI HOST structure
1070 * @vdevice: per device private data
1071 *
1072 * Returns: None.
1073 *
1074 * Called from slave_destroy.
1075 */
1076static void
1077mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1078{
1079 SCSIIORequest_t *mf = NULL;
1080 int ii;
1081 struct scsi_cmnd *sc;
1082 struct scsi_lun lun;
1083 MPT_ADAPTER *ioc = hd->ioc;
1084 unsigned long flags;
1085
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) {
1089
1090 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1091 if (mf == NULL)
1092 continue;
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
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))
1105 continue;
1106
1107 if ((unsigned char *)mf != sc->host_scribble)
1108 continue;
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);
1113 scsi_dma_unmap(sc);
1114 sc->host_scribble = NULL;
1115 sc->result = DID_NO_CONNECT << 16;
1116 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1117 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1118 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1119 vdevice->vtarget->channel, vdevice->vtarget->id,
1120 sc, mf, ii));
1121 scsi_done(sc);
1122 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1123 }
1124 }
1125 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1126 return;
1127}
1128
1129/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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;
1147 MPT_SCSI_HOST *hd;
1148 MPT_ADAPTER *ioc;
1149
1150 if (sc->device == NULL)
1151 return;
1152 if (sc->device->host == NULL)
1153 return;
1154 if ((hd = shost_priv(sc->device->host)) == NULL)
1155 return;
1156 ioc = hd->ioc;
1157 if (time - hd->last_queue_full > 10 * HZ) {
1158 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%llu) reported QUEUE_FULL!\n",
1159 ioc->name, 0, sc->device->id, sc->device->lun));
1160 hd->last_queue_full = time;
1161 }
1162}
1163
1164/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1165/*
1166 * mptscsih_remove - Removed scsi devices
1167 * @pdev: Pointer to pci_dev structure
1168 *
1169 *
1170 */
1171void
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;
1177 int sz1;
1178
1179 if (host == NULL)
1180 hd = NULL;
1181 else
1182 hd = shost_priv(host);
1183
1184 mptscsih_shutdown(pdev);
1185
1186 sz1=0;
1187
1188 if (ioc->ScsiLookup != NULL) {
1189 sz1 = ioc->req_depth * sizeof(void *);
1190 kfree(ioc->ScsiLookup);
1191 ioc->ScsiLookup = NULL;
1192 }
1193
1194 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1195 "Free'd ScsiLookup (%d) memory\n",
1196 ioc->name, sz1));
1197
1198 if (hd)
1199 kfree(hd->info_kbuf);
1200
1201 /* NULL the Scsi_Host pointer
1202 */
1203 ioc->sh = NULL;
1204
1205 if (host)
1206 scsi_host_put(host);
1207 mpt_detach(pdev);
1208
1209}
1210
1211/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1212/*
1213 * mptscsih_shutdown - reboot notifier
1214 *
1215 */
1216void
1217mptscsih_shutdown(struct pci_dev *pdev)
1218{
1219}
1220
1221#ifdef CONFIG_PM
1222/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1223/*
1224 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1225 *
1226 *
1227 */
1228int
1229mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1230{
1231 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1232
1233 scsi_block_requests(ioc->sh);
1234 flush_scheduled_work();
1235 mptscsih_shutdown(pdev);
1236 return mpt_suspend(pdev,state);
1237}
1238
1239/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1240/*
1241 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1242 *
1243 *
1244 */
1245int
1246mptscsih_resume(struct pci_dev *pdev)
1247{
1248 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1249 int rc;
1250
1251 rc = mpt_resume(pdev);
1252 scsi_unblock_requests(ioc->sh);
1253 return rc;
1254}
1255
1256#endif
1257
1258/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1259/**
1260 * mptscsih_info - Return information about MPT adapter
1261 * @SChost: Pointer to Scsi_Host structure
1262 *
1263 * (linux scsi_host_template.info routine)
1264 *
1265 * Returns pointer to buffer where information was written.
1266 */
1267const char *
1268mptscsih_info(struct Scsi_Host *SChost)
1269{
1270 MPT_SCSI_HOST *h;
1271 int size = 0;
1272
1273 h = shost_priv(SChost);
1274
1275 if (h->info_kbuf == NULL)
1276 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1277 return h->info_kbuf;
1278 h->info_kbuf[0] = '\0';
1279
1280 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1281 h->info_kbuf[size-1] = '\0';
1282
1283 return h->info_kbuf;
1284}
1285
1286int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host)
1287{
1288 MPT_SCSI_HOST *hd = shost_priv(host);
1289 MPT_ADAPTER *ioc = hd->ioc;
1290
1291 seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name);
1292 seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1293 seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts);
1294 seq_printf(m, "MaxQ=%d\n", ioc->req_depth);
1295
1296 return 0;
1297}
1298
1299/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1300#define ADD_INDEX_LOG(req_ent) do { } while(0)
1301
1302/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1303/**
1304 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1305 * @SCpnt: Pointer to scsi_cmnd structure
1306 *
1307 * (linux scsi_host_template.queuecommand routine)
1308 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1309 * from a linux scsi_cmnd request and send it to the IOC.
1310 *
1311 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1312 */
1313int
1314mptscsih_qcmd(struct scsi_cmnd *SCpnt)
1315{
1316 MPT_SCSI_HOST *hd;
1317 MPT_FRAME_HDR *mf;
1318 SCSIIORequest_t *pScsiReq;
1319 VirtDevice *vdevice = SCpnt->device->hostdata;
1320 u32 datalen;
1321 u32 scsictl;
1322 u32 scsidir;
1323 u32 cmd_len;
1324 int my_idx;
1325 int ii;
1326 MPT_ADAPTER *ioc;
1327
1328 hd = shost_priv(SCpnt->device->host);
1329 ioc = hd->ioc;
1330
1331 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p\n",
1332 ioc->name, SCpnt));
1333
1334 if (ioc->taskmgmt_quiesce_io)
1335 return SCSI_MLQUEUE_HOST_BUSY;
1336
1337 /*
1338 * Put together a MPT SCSI request...
1339 */
1340 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1341 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1342 ioc->name));
1343 return SCSI_MLQUEUE_HOST_BUSY;
1344 }
1345
1346 pScsiReq = (SCSIIORequest_t *) mf;
1347
1348 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1349
1350 ADD_INDEX_LOG(my_idx);
1351
1352 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1353 * Seems we may receive a buffer (datalen>0) even when there
1354 * will be no data transfer! GRRRRR...
1355 */
1356 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1357 datalen = scsi_bufflen(SCpnt);
1358 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1359 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1360 datalen = scsi_bufflen(SCpnt);
1361 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1362 } else {
1363 datalen = 0;
1364 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1365 }
1366
1367 /* Default to untagged. Once a target structure has been allocated,
1368 * use the Inquiry data to determine if device supports tagged.
1369 */
1370 if ((vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) &&
1371 SCpnt->device->tagged_supported)
1372 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1373 else
1374 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1375
1376
1377 /* Use the above information to set up the message frame
1378 */
1379 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1380 pScsiReq->Bus = vdevice->vtarget->channel;
1381 pScsiReq->ChainOffset = 0;
1382 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1383 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1384 else
1385 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1386 pScsiReq->CDBLength = SCpnt->cmd_len;
1387 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1388 pScsiReq->Reserved = 0;
1389 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1390 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1391 pScsiReq->Control = cpu_to_le32(scsictl);
1392
1393 /*
1394 * Write SCSI CDB into the message
1395 */
1396 cmd_len = SCpnt->cmd_len;
1397 for (ii=0; ii < cmd_len; ii++)
1398 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1399
1400 for (ii=cmd_len; ii < 16; ii++)
1401 pScsiReq->CDB[ii] = 0;
1402
1403 /* DataLength */
1404 pScsiReq->DataLength = cpu_to_le32(datalen);
1405
1406 /* SenseBuffer low address */
1407 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1408 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1409
1410 /* Now add the SG list
1411 * Always have a SGE even if null length.
1412 */
1413 if (datalen == 0) {
1414 /* Add a NULL SGE */
1415 ioc->add_sge((char *)&pScsiReq->SGL,
1416 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1417 (dma_addr_t) -1);
1418 } else {
1419 /* Add a 32 or 64 bit SGE */
1420 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1421 goto fail;
1422 }
1423
1424 SCpnt->host_scribble = (unsigned char *)mf;
1425 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1426
1427 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1428 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1429 ioc->name, SCpnt, mf, my_idx));
1430 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1431 return 0;
1432
1433 fail:
1434 mptscsih_freeChainBuffers(ioc, my_idx);
1435 mpt_free_msg_frame(ioc, mf);
1436 return SCSI_MLQUEUE_HOST_BUSY;
1437}
1438
1439/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1440/*
1441 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1442 * with a SCSI IO request
1443 * @hd: Pointer to the MPT_SCSI_HOST instance
1444 * @req_idx: Index of the SCSI IO request frame.
1445 *
1446 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1447 * No return.
1448 */
1449static void
1450mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1451{
1452 MPT_FRAME_HDR *chain;
1453 unsigned long flags;
1454 int chain_idx;
1455 int next;
1456
1457 /* Get the first chain index and reset
1458 * tracker state.
1459 */
1460 chain_idx = ioc->ReqToChain[req_idx];
1461 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1462
1463 while (chain_idx != MPT_HOST_NO_CHAIN) {
1464
1465 /* Save the next chain buffer index */
1466 next = ioc->ChainToChain[chain_idx];
1467
1468 /* Free this chain buffer and reset
1469 * tracker
1470 */
1471 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1472
1473 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1474 + (chain_idx * ioc->req_sz));
1475
1476 spin_lock_irqsave(&ioc->FreeQlock, flags);
1477 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1478 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1479
1480 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1481 ioc->name, chain_idx));
1482
1483 /* handle next */
1484 chain_idx = next;
1485 }
1486 return;
1487}
1488
1489/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1490/*
1491 * Reset Handling
1492 */
1493
1494/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1495/**
1496 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1497 * @hd: Pointer to MPT_SCSI_HOST structure
1498 * @type: Task Management type
1499 * @channel: channel number for task management
1500 * @id: Logical Target ID for reset (if appropriate)
1501 * @lun: Logical Unit for reset (if appropriate)
1502 * @ctx2abort: Context for the task to be aborted (if appropriate)
1503 * @timeout: timeout for task management control
1504 *
1505 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1506 * or a non-interrupt thread. In the former, must not call schedule().
1507 *
1508 * Not all fields are meaningfull for all task types.
1509 *
1510 * Returns 0 for SUCCESS, or FAILED.
1511 *
1512 **/
1513int
1514mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, u64 lun,
1515 int ctx2abort, ulong timeout)
1516{
1517 MPT_FRAME_HDR *mf;
1518 SCSITaskMgmt_t *pScsiTm;
1519 int ii;
1520 int retval;
1521 MPT_ADAPTER *ioc = hd->ioc;
1522 u8 issue_hard_reset;
1523 u32 ioc_raw_state;
1524 unsigned long time_count;
1525
1526 issue_hard_reset = 0;
1527 ioc_raw_state = mpt_GetIocState(ioc, 0);
1528
1529 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1530 printk(MYIOC_s_WARN_FMT
1531 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1532 ioc->name, type, ioc_raw_state);
1533 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1534 ioc->name, __func__);
1535 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1536 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1537 "FAILED!!\n", ioc->name);
1538 return 0;
1539 }
1540
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)) {
1548 printk(MYIOC_s_WARN_FMT
1549 "TaskMgmt type=%x: ioc_state: "
1550 "DOORBELL_ACTIVE (0x%x)!\n",
1551 ioc->name, type, ioc_raw_state);
1552 return FAILED;
1553 }
1554
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 }
1561
1562 /* Return Fail to calling function if no message frames available.
1563 */
1564 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
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;
1570 }
1571 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1572 ioc->name, mf));
1573
1574 /* Format the Request
1575 */
1576 pScsiTm = (SCSITaskMgmt_t *) mf;
1577 pScsiTm->TargetID = id;
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
1588 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1589
1590 for (ii=0; ii < 7; ii++)
1591 pScsiTm->Reserved2[ii] = 0;
1592
1593 pScsiTm->TaskMsgContext = ctx2abort;
1594
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));
1598
1599 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1600
1601 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1602 time_count = jiffies;
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);
1606 else {
1607 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1608 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1609 if (retval) {
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;
1616 }
1617 }
1618
1619 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;
1630 }
1631
1632 retval = mptscsih_taskmgmt_reply(ioc, type,
1633 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1634
1635 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1636 "TaskMgmt completed (%d seconds)\n",
1637 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1638
1639 out:
1640
1641 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1642 if (issue_hard_reset) {
1643 printk(MYIOC_s_WARN_FMT
1644 "Issuing Reset from %s!! doorbell=0x%08x\n",
1645 ioc->name, __func__, mpt_GetIocState(ioc, 0));
1646 retval = (ioc->bus_type == SAS) ?
1647 mpt_HardResetHandler(ioc, CAN_SLEEP) :
1648 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
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;
1655}
1656EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1657
1658static int
1659mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1660{
1661 switch (ioc->bus_type) {
1662 case FC:
1663 return 40;
1664 case SAS:
1665 return 30;
1666 case SPI:
1667 default:
1668 return 10;
1669 }
1670}
1671
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.
1680 **/
1681int
1682mptscsih_abort(struct scsi_cmnd * SCpnt)
1683{
1684 MPT_SCSI_HOST *hd;
1685 MPT_FRAME_HDR *mf;
1686 u32 ctx2abort;
1687 int scpnt_idx;
1688 int retval;
1689 VirtDevice *vdevice;
1690 MPT_ADAPTER *ioc;
1691
1692 /* If we can't locate our host adapter structure, return FAILED status.
1693 */
1694 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1695 SCpnt->result = DID_RESET << 16;
1696 scsi_done(SCpnt);
1697 printk(KERN_ERR MYNAM ": task abort: "
1698 "can't locate host! (sc=%p)\n", SCpnt);
1699 return FAILED;
1700 }
1701
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) {
1709 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1710 "task abort: device has been deleted (sc=%p)\n",
1711 ioc->name, SCpnt));
1712 SCpnt->result = DID_NO_CONNECT << 16;
1713 scsi_done(SCpnt);
1714 retval = SUCCESS;
1715 goto out;
1716 }
1717
1718 /* Task aborts are not supported for hidden raid components.
1719 */
1720 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1721 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1722 "task abort: hidden raid component (sc=%p)\n",
1723 ioc->name, SCpnt));
1724 SCpnt->result = DID_RESET << 16;
1725 retval = FAILED;
1726 goto out;
1727 }
1728
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
1740 /* Find this command
1741 */
1742 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1743 /* Cmd not found in ScsiLookup.
1744 * Do OS callback.
1745 */
1746 SCpnt->result = DID_RESET << 16;
1747 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1748 "Command not in the active list! (sc=%p)\n", ioc->name,
1749 SCpnt));
1750 retval = SUCCESS;
1751 goto out;
1752 }
1753
1754 if (ioc->timeouts < -1)
1755 ioc->timeouts++;
1756
1757 if (mpt_fwfault_debug)
1758 mpt_halt_firmware(ioc);
1759
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 */
1767 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1768 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
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));
1774
1775 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
1776 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1777 "task abort: command still in active list! (sc=%p)\n",
1778 ioc->name, SCpnt));
1779 retval = FAILED;
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 }
1786
1787 out:
1788 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
1789 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1790 SCpnt);
1791
1792 return retval;
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.
1803 **/
1804int
1805mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1806{
1807 MPT_SCSI_HOST *hd;
1808 int retval;
1809 VirtDevice *vdevice;
1810 MPT_ADAPTER *ioc;
1811
1812 /* If we can't locate our host adapter structure, return FAILED status.
1813 */
1814 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1815 printk(KERN_ERR MYNAM ": target reset: "
1816 "Can't locate host! (sc=%p)\n", SCpnt);
1817 return FAILED;
1818 }
1819
1820 ioc = hd->ioc;
1821 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1822 ioc->name, SCpnt);
1823 scsi_print_command(SCpnt);
1824
1825 vdevice = SCpnt->device->hostdata;
1826 if (!vdevice || !vdevice->vtarget) {
1827 retval = 0;
1828 goto out;
1829 }
1830
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
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));
1843
1844 out:
1845 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1846 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1847
1848 if (retval == 0)
1849 return SUCCESS;
1850 else
1851 return FAILED;
1852}
1853
1854
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.
1863 **/
1864int
1865mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1866{
1867 MPT_SCSI_HOST *hd;
1868 int retval;
1869 VirtDevice *vdevice;
1870 MPT_ADAPTER *ioc;
1871
1872 /* If we can't locate our host adapter structure, return FAILED status.
1873 */
1874 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1875 printk(KERN_ERR MYNAM ": bus reset: "
1876 "Can't locate host! (sc=%p)\n", SCpnt);
1877 return FAILED;
1878 }
1879
1880 ioc = hd->ioc;
1881 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1882 ioc->name, SCpnt);
1883 scsi_print_command(SCpnt);
1884
1885 if (ioc->timeouts < -1)
1886 ioc->timeouts++;
1887
1888 vdevice = SCpnt->device->hostdata;
1889 if (!vdevice || !vdevice->vtarget)
1890 return SUCCESS;
1891 retval = mptscsih_IssueTaskMgmt(hd,
1892 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1893 vdevice->vtarget->channel, 0, 0, 0,
1894 mptscsih_get_tm_timeout(ioc));
1895
1896 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1897 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1898
1899 if (retval == 0)
1900 return SUCCESS;
1901 else
1902 return FAILED;
1903}
1904
1905/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1906/**
1907 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
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 */
1914int
1915mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1916{
1917 MPT_SCSI_HOST * hd;
1918 int status = SUCCESS;
1919 MPT_ADAPTER *ioc;
1920 int retval;
1921
1922 /* If we can't locate the host to reset, then we failed. */
1923 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1924 printk(KERN_ERR MYNAM ": host reset: "
1925 "Can't locate host! (sc=%p)\n", SCpnt);
1926 return FAILED;
1927 }
1928
1929 /* make sure we have no outstanding commands at this stage */
1930 mptscsih_flush_running_cmds(hd);
1931
1932 ioc = hd->ioc;
1933 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1934 ioc->name, SCpnt);
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 */
1939 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1940 if (retval < 0)
1941 status = FAILED;
1942 else
1943 status = SUCCESS;
1944
1945 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1946 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1947
1948 return status;
1949}
1950
1951static int
1952mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
1953 SCSITaskMgmtReply_t *pScsiTmReply)
1954{
1955 u16 iocstatus;
1956 u32 termination_count;
1957 int retval;
1958
1959 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
1960 retval = FAILED;
1961 goto out;
1962 }
1963
1964 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
1965
1966 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
1967 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
1968
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);
1981
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;
2000}
2001
2002/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2003void
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}
2037EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2038
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.
2052 **/
2053int
2054mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2055 MPT_FRAME_HDR *mr)
2056{
2057 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2058 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2059
2060 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2061
2062 if (!mr)
2063 goto out;
2064
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));
2068 out:
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);
2073 if (ioc->bus_type == SAS)
2074 ioc->schedule_target_reset(ioc);
2075 return 1;
2076 }
2077 return 0;
2078}
2079
2080/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2081/*
2082 * This is anyones guess quite frankly.
2083 */
2084int
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
2117 return 0;
2118}
2119
2120/* Search IOC page 3 to determine if this is hidden physical disk
2121 *
2122 */
2123int
2124mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2125{
2126 struct inactive_raid_component_info *component_info;
2127 int i, j;
2128 RaidPhysDiskPage1_t *phys_disk;
2129 int rc = 0;
2130 int num_paths;
2131
2132 if (!ioc->raid_data.pIocPg3)
2133 goto out;
2134 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
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 }
2140 }
2141
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
2181 /*
2182 * Check inactive list for matching phys disks
2183 */
2184 if (list_empty(&ioc->raid_data.inactive_list))
2185 goto out;
2186
2187 mutex_lock(&ioc->raid_data.inactive_list_mutex);
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 }
2194 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2195
2196 out:
2197 return rc;
2198}
2199EXPORT_SYMBOL(mptscsih_is_phys_disk);
2200
2201u8
2202mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2203{
2204 struct inactive_raid_component_info *component_info;
2205 int i, j;
2206 RaidPhysDiskPage1_t *phys_disk;
2207 int rc = -ENXIO;
2208 int num_paths;
2209
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;
2217 }
2218 }
2219
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
2258 /*
2259 * Check inactive list for matching phys disks
2260 */
2261 if (list_empty(&ioc->raid_data.inactive_list))
2262 goto out;
2263
2264 mutex_lock(&ioc->raid_data.inactive_list_mutex);
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 }
2271 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2272
2273 out:
2274 return rc;
2275}
2276EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2277
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;
2286 MPT_SCSI_HOST *hd = shost_priv(host);
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;
2294 if (!vdevice)
2295 return;
2296
2297 mptscsih_search_running_cmds(hd, vdevice);
2298 vtarget->num_luns--;
2299 mptscsih_synchronize_cache(hd, vdevice);
2300 kfree(vdevice);
2301 sdev->hostdata = NULL;
2302}
2303
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
2313mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
2314{
2315 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2316 VirtTarget *vtarget;
2317 struct scsi_target *starget;
2318 int max_depth;
2319 MPT_ADAPTER *ioc = hd->ioc;
2320
2321 starget = scsi_target(sdev);
2322 vtarget = starget->hostdata;
2323
2324 if (ioc->bus_type == SPI) {
2325 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2326 max_depth = 1;
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;
2332 } else
2333 max_depth = ioc->sh->can_queue;
2334
2335 if (!sdev->tagged_supported)
2336 max_depth = 1;
2337
2338 if (qdepth > max_depth)
2339 qdepth = max_depth;
2340
2341 return scsi_change_queue_depth(sdev, qdepth);
2342}
2343
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 */
2350int
2351mptscsih_slave_configure(struct scsi_device *sdev)
2352{
2353 struct Scsi_Host *sh = sdev->host;
2354 VirtTarget *vtarget;
2355 VirtDevice *vdevice;
2356 struct scsi_target *starget;
2357 MPT_SCSI_HOST *hd = shost_priv(sh);
2358 MPT_ADAPTER *ioc = hd->ioc;
2359
2360 starget = scsi_target(sdev);
2361 vtarget = starget->hostdata;
2362 vdevice = sdev->hostdata;
2363
2364 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2365 "device @ %p, channel=%d, id=%d, lun=%llu\n",
2366 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2367 if (ioc->bus_type == SPI)
2368 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2369 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2370 ioc->name, sdev->sdtr, sdev->wdtr,
2371 sdev->ppr, sdev->inquiry_len));
2372
2373 vdevice->configured_lun = 1;
2374
2375 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2376 "Queue depth=%d, tflags=%x\n",
2377 ioc->name, sdev->queue_depth, vtarget->tflags));
2378
2379 if (ioc->bus_type == SPI)
2380 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2381 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2382 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2383 vtarget->minSyncFactor));
2384
2385 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
2386 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2387 "tagged %d, simple %d\n",
2388 ioc->name,sdev->tagged_supported, sdev->simple_tags));
2389
2390 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2391
2392 return 0;
2393}
2394
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
2406mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2407{
2408 VirtDevice *vdevice;
2409 SCSIIORequest_t *pReq;
2410 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2411 MPT_ADAPTER *ioc = hd->ioc;
2412
2413 /* Get target structure
2414 */
2415 pReq = (SCSIIORequest_t *) mf;
2416 vdevice = sc->device->hostdata;
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);
2424 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2425 memcpy(sc->sense_buffer, sense_data, MPT_SENSE_BUFFER_ALLOC);
2426
2427 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2428 */
2429 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2430 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2431 int idx;
2432
2433 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2434 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2435 ioc->events[idx].eventContext = ioc->eventContext;
2436
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;
2440
2441 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2442
2443 ioc->eventContext++;
2444 if (ioc->pcidev->vendor ==
2445 PCI_VENDOR_ID_IBM) {
2446 mptscsih_issue_sep_command(ioc,
2447 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2448 vdevice->vtarget->tflags |=
2449 MPT_TARGET_FLAGS_LED_ON;
2450 }
2451 }
2452 }
2453 } else {
2454 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2455 ioc->name));
2456 }
2457}
2458
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);
2479
2480/**
2481 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2482 * @ioc: Pointer to MPT_ADAPTER structure
2483 * @i: index into the array
2484 *
2485 * Returns the scsi_cmd pointer
2486 *
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/**
2503 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
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;
2514
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/**
2521 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2522 * @ioc: Pointer to MPT_ADAPTER structure
2523 * @sc: scsi_cmnd pointer
2524 */
2525static int
2526SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2527{
2528 unsigned long flags;
2529 int i, index=-1;
2530
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;
2536 }
2537 }
2538
2539 out:
2540 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2541 return index;
2542}
2543
2544/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2545int
2546mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2547{
2548 MPT_SCSI_HOST *hd;
2549
2550 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2551 return 0;
2552
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__));
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__));
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);
2571 }
2572 break;
2573 default:
2574 break;
2575 }
2576 return 1; /* currently means nothing really */
2577}
2578
2579/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2580int
2581mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2582{
2583 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2584
2585 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2586 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2587 ioc->name, event));
2588
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++;
2593
2594 return 1; /* currently means nothing really */
2595}
2596
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 */
2622int
2623mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2624 MPT_FRAME_HDR *reply)
2625{
2626 SCSIIORequest_t *pReq;
2627 SCSIIOReply_t *pReply;
2628 u8 cmd;
2629 u16 req_idx;
2630 u8 *sense_data;
2631 int sz;
2632
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;
2637
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);
2655 }
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);
2661 return 1;
2662}
2663
2664
2665/**
2666 * mptscsih_get_completion_code - get completion code from MPT request
2667 * @ioc: Pointer to MPT_ADAPTER structure
2668 * @req: Pointer to original MPT request frame
2669 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
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}
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;
2780 int my_idx, ii, dir;
2781 int timeout;
2782 char cmdLen;
2783 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2784 u8 cmd = io->cmd;
2785 MPT_ADAPTER *ioc = hd->ioc;
2786 int ret = 0;
2787 unsigned long timeleft;
2788 unsigned long flags;
2789
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
2800 mutex_lock(&ioc->internal_cmds.mutex);
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;
2810 timeout = 10;
2811 break;
2812
2813 case TEST_UNIT_READY:
2814 cmdLen = 6;
2815 dir = MPI_SCSIIO_CONTROL_READ;
2816 timeout = 10;
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 */
2824 timeout = 15;
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;
2832 timeout = 10;
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;
2851 timeout = 10;
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;
2866 timeout = 10;
2867 break;
2868
2869 case RESERVE:
2870 cmdLen = 6;
2871 dir = MPI_SCSIIO_CONTROL_READ;
2872 CDB[0] = cmd;
2873 timeout = 10;
2874 break;
2875
2876 case RELEASE:
2877 cmdLen = 6;
2878 dir = MPI_SCSIIO_CONTROL_READ;
2879 CDB[0] = cmd;
2880 timeout = 10;
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 */
2888 timeout = 10;
2889 break;
2890
2891 default:
2892 /* Error Case */
2893 ret = -EFAULT;
2894 goto out;
2895 }
2896
2897 /* Get and Populate a free Frame
2898 * MsgContext set in mpt_get_msg_frame call
2899 */
2900 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
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;
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;
2920 pScsiReq->Bus = io->channel;
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
2930 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
2931 /* MsgContext set in mpt_get_msg_fram call */
2932
2933 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
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);
2942 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2943 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
2944 }
2945
2946 for (ii = 0; ii < 16; ii++)
2947 pScsiReq->CDB[ii] = CDB[ii];
2948
2949 pScsiReq->DataLength = cpu_to_le32(io->size);
2950 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
2951 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
2952
2953 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2954 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n",
2955 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
2956
2957 if (dir == MPI_SCSIIO_CONTROL_READ)
2958 ioc->add_sge((char *) &pScsiReq->SGL,
2959 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
2960 else
2961 ioc->add_sge((char *) &pScsiReq->SGL,
2962 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
2963
2964 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
2965 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
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) {
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);
2983 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2984 mpt_free_msg_frame(ioc, mf);
2985 }
2986 goto out;
2987 }
2988
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;
2997}
2998
2999/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3000/**
3001 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3002 * @hd: Pointer to a SCSI HOST structure
3003 * @vdevice: virtual target device
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;
3013
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
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;
3034 iocmd.channel = vdevice->vtarget->channel;
3035 iocmd.id = vdevice->vtarget->id;
3036 iocmd.lun = vdevice->lun;
3037
3038 mptscsih_do_cmd(hd, &iocmd);
3039}
3040
3041static ssize_t
3042mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3043 char *buf)
3044{
3045 struct Scsi_Host *host = class_to_shost(dev);
3046 MPT_SCSI_HOST *hd = shost_priv(host);
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}
3055static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3056
3057static ssize_t
3058mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3059 char *buf)
3060{
3061 struct Scsi_Host *host = class_to_shost(dev);
3062 MPT_SCSI_HOST *hd = shost_priv(host);
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}
3071static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3072
3073static ssize_t
3074mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3075 char *buf)
3076{
3077 struct Scsi_Host *host = class_to_shost(dev);
3078 MPT_SCSI_HOST *hd = shost_priv(host);
3079 MPT_ADAPTER *ioc = hd->ioc;
3080
3081 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3082}
3083static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3084
3085static ssize_t
3086mptscsih_version_product_show(struct device *dev,
3087 struct device_attribute *attr,
3088char *buf)
3089{
3090 struct Scsi_Host *host = class_to_shost(dev);
3091 MPT_SCSI_HOST *hd = shost_priv(host);
3092 MPT_ADAPTER *ioc = hd->ioc;
3093
3094 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3095}
3096static DEVICE_ATTR(version_product, S_IRUGO,
3097 mptscsih_version_product_show, NULL);
3098
3099static ssize_t
3100mptscsih_version_nvdata_persistent_show(struct device *dev,
3101 struct device_attribute *attr,
3102 char *buf)
3103{
3104 struct Scsi_Host *host = class_to_shost(dev);
3105 MPT_SCSI_HOST *hd = shost_priv(host);
3106 MPT_ADAPTER *ioc = hd->ioc;
3107
3108 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3109 ioc->nvdata_version_persistent);
3110}
3111static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3112 mptscsih_version_nvdata_persistent_show, NULL);
3113
3114static ssize_t
3115mptscsih_version_nvdata_default_show(struct device *dev,
3116 struct device_attribute *attr, char *buf)
3117{
3118 struct Scsi_Host *host = class_to_shost(dev);
3119 MPT_SCSI_HOST *hd = shost_priv(host);
3120 MPT_ADAPTER *ioc = hd->ioc;
3121
3122 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3123}
3124static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3125 mptscsih_version_nvdata_default_show, NULL);
3126
3127static ssize_t
3128mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3129 char *buf)
3130{
3131 struct Scsi_Host *host = class_to_shost(dev);
3132 MPT_SCSI_HOST *hd = shost_priv(host);
3133 MPT_ADAPTER *ioc = hd->ioc;
3134
3135 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3136}
3137static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3138
3139static ssize_t
3140mptscsih_board_assembly_show(struct device *dev,
3141 struct device_attribute *attr, char *buf)
3142{
3143 struct Scsi_Host *host = class_to_shost(dev);
3144 MPT_SCSI_HOST *hd = shost_priv(host);
3145 MPT_ADAPTER *ioc = hd->ioc;
3146
3147 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3148}
3149static DEVICE_ATTR(board_assembly, S_IRUGO,
3150 mptscsih_board_assembly_show, NULL);
3151
3152static ssize_t
3153mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3154 char *buf)
3155{
3156 struct Scsi_Host *host = class_to_shost(dev);
3157 MPT_SCSI_HOST *hd = shost_priv(host);
3158 MPT_ADAPTER *ioc = hd->ioc;
3159
3160 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3161}
3162static DEVICE_ATTR(board_tracer, S_IRUGO,
3163 mptscsih_board_tracer_show, NULL);
3164
3165static ssize_t
3166mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3167 char *buf)
3168{
3169 struct Scsi_Host *host = class_to_shost(dev);
3170 MPT_SCSI_HOST *hd = shost_priv(host);
3171 MPT_ADAPTER *ioc = hd->ioc;
3172
3173 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3174}
3175static DEVICE_ATTR(io_delay, S_IRUGO,
3176 mptscsih_io_delay_show, NULL);
3177
3178static ssize_t
3179mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3180 char *buf)
3181{
3182 struct Scsi_Host *host = class_to_shost(dev);
3183 MPT_SCSI_HOST *hd = shost_priv(host);
3184 MPT_ADAPTER *ioc = hd->ioc;
3185
3186 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3187}
3188static DEVICE_ATTR(device_delay, S_IRUGO,
3189 mptscsih_device_delay_show, NULL);
3190
3191static ssize_t
3192mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3193 char *buf)
3194{
3195 struct Scsi_Host *host = class_to_shost(dev);
3196 MPT_SCSI_HOST *hd = shost_priv(host);
3197 MPT_ADAPTER *ioc = hd->ioc;
3198
3199 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3200}
3201static ssize_t
3202mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3203 const char *buf, size_t count)
3204{
3205 struct Scsi_Host *host = class_to_shost(dev);
3206 MPT_SCSI_HOST *hd = shost_priv(host);
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}
3218static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3219 mptscsih_debug_level_show, mptscsih_debug_level_store);
3220
3221static struct attribute *mptscsih_host_attrs[] = {
3222 &dev_attr_version_fw.attr,
3223 &dev_attr_version_bios.attr,
3224 &dev_attr_version_mpi.attr,
3225 &dev_attr_version_product.attr,
3226 &dev_attr_version_nvdata_persistent.attr,
3227 &dev_attr_version_nvdata_default.attr,
3228 &dev_attr_board_name.attr,
3229 &dev_attr_board_assembly.attr,
3230 &dev_attr_board_tracer.attr,
3231 &dev_attr_io_delay.attr,
3232 &dev_attr_device_delay.attr,
3233 &dev_attr_debug_level.attr,
3234 NULL,
3235};
3236
3237static const struct attribute_group mptscsih_host_attr_group = {
3238 .attrs = mptscsih_host_attrs
3239};
3240
3241const struct attribute_group *mptscsih_host_attr_groups[] = {
3242 &mptscsih_host_attr_group,
3243 NULL
3244};
3245EXPORT_SYMBOL(mptscsih_host_attr_groups);
3246
3247EXPORT_SYMBOL(mptscsih_remove);
3248EXPORT_SYMBOL(mptscsih_shutdown);
3249#ifdef CONFIG_PM
3250EXPORT_SYMBOL(mptscsih_suspend);
3251EXPORT_SYMBOL(mptscsih_resume);
3252#endif
3253EXPORT_SYMBOL(mptscsih_show_info);
3254EXPORT_SYMBOL(mptscsih_info);
3255EXPORT_SYMBOL(mptscsih_qcmd);
3256EXPORT_SYMBOL(mptscsih_slave_destroy);
3257EXPORT_SYMBOL(mptscsih_slave_configure);
3258EXPORT_SYMBOL(mptscsih_abort);
3259EXPORT_SYMBOL(mptscsih_dev_reset);
3260EXPORT_SYMBOL(mptscsih_bus_reset);
3261EXPORT_SYMBOL(mptscsih_host_reset);
3262EXPORT_SYMBOL(mptscsih_bios_param);
3263EXPORT_SYMBOL(mptscsih_io_done);
3264EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3265EXPORT_SYMBOL(mptscsih_scandv_complete);
3266EXPORT_SYMBOL(mptscsih_event_process);
3267EXPORT_SYMBOL(mptscsih_ioc_reset);
3268EXPORT_SYMBOL(mptscsih_change_queue_depth);
3269
3270/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1/*
2 * linux/drivers/message/fusion/mptscsih.c
3 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
5 *
6 * Copyright (c) 1999-2008 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
8 *
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
47#include <linux/module.h>
48#include <linux/kernel.h>
49#include <linux/slab.h>
50#include <linux/init.h>
51#include <linux/errno.h>
52#include <linux/kdev_t.h>
53#include <linux/blkdev.h>
54#include <linux/delay.h> /* for mdelay */
55#include <linux/interrupt.h>
56#include <linux/reboot.h> /* notifier code */
57#include <linux/workqueue.h>
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>
64#include <scsi/scsi_dbg.h>
65
66#include "mptbase.h"
67#include "mptscsih.h"
68#include "lsi/mpi_log_sas.h"
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");
78MODULE_VERSION(my_VERSION);
79
80/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
81/*
82 * Other private/forward protos...
83 */
84struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
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);
88int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
89static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
90int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
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);
95static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
96
97int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
98 u64 lun, int ctx2abort, ulong timeout);
99
100int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
101int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
102
103void
104mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
105static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
106 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
107int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
108static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
109static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
110
111static int
112mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
113 SCSITaskMgmtReply_t *pScsiTmReply);
114void mptscsih_remove(struct pci_dev *);
115void mptscsih_shutdown(struct pci_dev *);
116#ifdef CONFIG_PM
117int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
118int mptscsih_resume(struct pci_dev *pdev);
119#endif
120
121
122/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
123/*
124 * mptscsih_getFreeChainBuffer - Function to get a free chain
125 * from the MPT_SCSI_HOST FreeChainQ.
126 * @ioc: Pointer to MPT_ADAPTER structure
127 * @req_idx: Index of the SCSI IO request frame. (output)
128 *
129 * return SUCCESS or FAILED
130 */
131static inline int
132mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
133{
134 MPT_FRAME_HDR *chainBuf;
135 unsigned long flags;
136 int rc;
137 int chain_idx;
138
139 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
140 ioc->name));
141 spin_lock_irqsave(&ioc->FreeQlock, flags);
142 if (!list_empty(&ioc->FreeChainQ)) {
143 int offset;
144
145 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
146 u.frame.linkage.list);
147 list_del(&chainBuf->u.frame.linkage.list);
148 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
149 chain_idx = offset / ioc->req_sz;
150 rc = SUCCESS;
151 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
152 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
153 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
154 } else {
155 rc = FAILED;
156 chain_idx = MPT_HOST_NO_CHAIN;
157 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
158 ioc->name));
159 }
160 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
161
162 *retIndex = chain_idx;
163 return rc;
164} /* mptscsih_getFreeChainBuffer() */
165
166/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
167/*
168 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
169 * SCSIIORequest_t Message Frame.
170 * @ioc: Pointer to MPT_ADAPTER structure
171 * @SCpnt: Pointer to scsi_cmnd structure
172 * @pReq: Pointer to SCSIIORequest_t structure
173 *
174 * Returns ...
175 */
176static int
177mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
178 SCSIIORequest_t *pReq, int req_idx)
179{
180 char *psge;
181 char *chainSge;
182 struct scatterlist *sg;
183 int frm_sz;
184 int sges_left, sg_done;
185 int chain_idx = MPT_HOST_NO_CHAIN;
186 int sgeOffset;
187 int numSgeSlots, numSgeThisFrame;
188 u32 sgflags, sgdir, thisxfer = 0;
189 int chain_dma_off = 0;
190 int newIndex;
191 int ii;
192 dma_addr_t v2;
193 u32 RequestNB;
194
195 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
196 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
197 sgdir = MPT_TRANSFER_HOST_TO_IOC;
198 } else {
199 sgdir = MPT_TRANSFER_IOC_TO_HOST;
200 }
201
202 psge = (char *) &pReq->SGL;
203 frm_sz = ioc->req_sz;
204
205 /* Map the data portion, if any.
206 * sges_left = 0 if no data transfer.
207 */
208 sges_left = scsi_dma_map(SCpnt);
209 if (sges_left < 0)
210 return FAILED;
211
212 /* Handle the SG case.
213 */
214 sg = scsi_sglist(SCpnt);
215 sg_done = 0;
216 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
217 chainSge = NULL;
218
219 /* Prior to entering this loop - the following must be set
220 * current MF: sgeOffset (bytes)
221 * chainSge (Null if original MF is not a chain buffer)
222 * sg_done (num SGE done for this MF)
223 */
224
225nextSGEset:
226 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
227 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
228
229 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
230
231 /* Get first (num - 1) SG elements
232 * Skip any SG entries with a length of 0
233 * NOTE: at finish, sg and psge pointed to NEXT data/location positions
234 */
235 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
236 thisxfer = sg_dma_len(sg);
237 if (thisxfer == 0) {
238 /* Get next SG element from the OS */
239 sg = sg_next(sg);
240 sg_done++;
241 continue;
242 }
243
244 v2 = sg_dma_address(sg);
245 ioc->add_sge(psge, sgflags | thisxfer, v2);
246
247 /* Get next SG element from the OS */
248 sg = sg_next(sg);
249 psge += ioc->SGE_size;
250 sgeOffset += ioc->SGE_size;
251 sg_done++;
252 }
253
254 if (numSgeThisFrame == sges_left) {
255 /* Add last element, end of buffer and end of list flags.
256 */
257 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
258 MPT_SGE_FLAGS_END_OF_BUFFER |
259 MPT_SGE_FLAGS_END_OF_LIST;
260
261 /* Add last SGE and set termination flags.
262 * Note: Last SGE may have a length of 0 - which should be ok.
263 */
264 thisxfer = sg_dma_len(sg);
265
266 v2 = sg_dma_address(sg);
267 ioc->add_sge(psge, sgflags | thisxfer, v2);
268 sgeOffset += ioc->SGE_size;
269 sg_done++;
270
271 if (chainSge) {
272 /* The current buffer is a chain buffer,
273 * but there is not another one.
274 * Update the chain element
275 * Offset and Length fields.
276 */
277 ioc->add_chain((char *)chainSge, 0, sgeOffset,
278 ioc->ChainBufferDMA + chain_dma_off);
279 } else {
280 /* The current buffer is the original MF
281 * and there is no Chain buffer.
282 */
283 pReq->ChainOffset = 0;
284 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
285 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
286 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
287 ioc->RequestNB[req_idx] = RequestNB;
288 }
289 } else {
290 /* At least one chain buffer is needed.
291 * Complete the first MF
292 * - last SGE element, set the LastElement bit
293 * - set ChainOffset (words) for orig MF
294 * (OR finish previous MF chain buffer)
295 * - update MFStructPtr ChainIndex
296 * - Populate chain element
297 * Also
298 * Loop until done.
299 */
300
301 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
302 ioc->name, sg_done));
303
304 /* Set LAST_ELEMENT flag for last non-chain element
305 * in the buffer. Since psge points at the NEXT
306 * SGE element, go back one SGE element, update the flags
307 * and reset the pointer. (Note: sgflags & thisxfer are already
308 * set properly).
309 */
310 if (sg_done) {
311 u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
312 sgflags = le32_to_cpu(*ptmp);
313 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
314 *ptmp = cpu_to_le32(sgflags);
315 }
316
317 if (chainSge) {
318 /* The current buffer is a chain buffer.
319 * chainSge points to the previous Chain Element.
320 * Update its chain element Offset and Length (must
321 * include chain element size) fields.
322 * Old chain element is now complete.
323 */
324 u8 nextChain = (u8) (sgeOffset >> 2);
325 sgeOffset += ioc->SGE_size;
326 ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
327 ioc->ChainBufferDMA + chain_dma_off);
328 } else {
329 /* The original MF buffer requires a chain buffer -
330 * set the offset.
331 * Last element in this MF is a chain element.
332 */
333 pReq->ChainOffset = (u8) (sgeOffset >> 2);
334 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
335 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
336 ioc->RequestNB[req_idx] = RequestNB;
337 }
338
339 sges_left -= sg_done;
340
341
342 /* NOTE: psge points to the beginning of the chain element
343 * in current buffer. Get a chain buffer.
344 */
345 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
346 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
347 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
348 ioc->name, pReq->CDB[0], SCpnt));
349 return FAILED;
350 }
351
352 /* Update the tracking arrays.
353 * If chainSge == NULL, update ReqToChain, else ChainToChain
354 */
355 if (chainSge) {
356 ioc->ChainToChain[chain_idx] = newIndex;
357 } else {
358 ioc->ReqToChain[req_idx] = newIndex;
359 }
360 chain_idx = newIndex;
361 chain_dma_off = ioc->req_sz * chain_idx;
362
363 /* Populate the chainSGE for the current buffer.
364 * - Set chain buffer pointer to psge and fill
365 * out the Address and Flags fields.
366 */
367 chainSge = (char *) psge;
368 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
369 ioc->name, psge, req_idx));
370
371 /* Start the SGE for the next buffer
372 */
373 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
374 sgeOffset = 0;
375 sg_done = 0;
376
377 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
378 ioc->name, psge, chain_idx));
379
380 /* Start the SGE for the next buffer
381 */
382
383 goto nextSGEset;
384 }
385
386 return SUCCESS;
387} /* mptscsih_AddSGE() */
388
389static void
390mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
391 U32 SlotStatus)
392{
393 MPT_FRAME_HDR *mf;
394 SEPRequest_t *SEPMsg;
395
396 if (ioc->bus_type != SAS)
397 return;
398
399 /* Not supported for hidden raid components
400 */
401 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
402 return;
403
404 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
405 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
406 ioc->name,__func__));
407 return;
408 }
409
410 SEPMsg = (SEPRequest_t *)mf;
411 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
412 SEPMsg->Bus = vtarget->channel;
413 SEPMsg->TargetID = vtarget->id;
414 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
415 SEPMsg->SlotStatus = SlotStatus;
416 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
417 "Sending SEP cmd=%x channel=%d id=%d\n",
418 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
419 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
420}
421
422#ifdef CONFIG_FUSION_LOGGING
423/**
424 * mptscsih_info_scsiio - debug print info on reply frame
425 * @ioc: Pointer to MPT_ADAPTER structure
426 * @sc: original scsi cmnd pointer
427 * @pScsiReply: Pointer to MPT reply frame
428 *
429 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
430 *
431 * Refer to lsi/mpi.h.
432 **/
433static void
434mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
435{
436 char *desc = NULL;
437 char *desc1 = NULL;
438 u16 ioc_status;
439 u8 skey, asc, ascq;
440
441 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
442
443 switch (ioc_status) {
444
445 case MPI_IOCSTATUS_SUCCESS:
446 desc = "success";
447 break;
448 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
449 desc = "invalid bus";
450 break;
451 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
452 desc = "invalid target_id";
453 break;
454 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
455 desc = "device not there";
456 break;
457 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
458 desc = "data overrun";
459 break;
460 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
461 desc = "data underrun";
462 break;
463 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
464 desc = "I/O data error";
465 break;
466 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
467 desc = "protocol error";
468 break;
469 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
470 desc = "task terminated";
471 break;
472 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
473 desc = "residual mismatch";
474 break;
475 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
476 desc = "task management failed";
477 break;
478 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
479 desc = "IOC terminated";
480 break;
481 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
482 desc = "ext terminated";
483 break;
484 default:
485 desc = "";
486 break;
487 }
488
489 switch (pScsiReply->SCSIStatus)
490 {
491
492 case MPI_SCSI_STATUS_SUCCESS:
493 desc1 = "success";
494 break;
495 case MPI_SCSI_STATUS_CHECK_CONDITION:
496 desc1 = "check condition";
497 break;
498 case MPI_SCSI_STATUS_CONDITION_MET:
499 desc1 = "condition met";
500 break;
501 case MPI_SCSI_STATUS_BUSY:
502 desc1 = "busy";
503 break;
504 case MPI_SCSI_STATUS_INTERMEDIATE:
505 desc1 = "intermediate";
506 break;
507 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
508 desc1 = "intermediate condmet";
509 break;
510 case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
511 desc1 = "reservation conflict";
512 break;
513 case MPI_SCSI_STATUS_COMMAND_TERMINATED:
514 desc1 = "command terminated";
515 break;
516 case MPI_SCSI_STATUS_TASK_SET_FULL:
517 desc1 = "task set full";
518 break;
519 case MPI_SCSI_STATUS_ACA_ACTIVE:
520 desc1 = "aca active";
521 break;
522 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
523 desc1 = "fcpext device logged out";
524 break;
525 case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
526 desc1 = "fcpext no link";
527 break;
528 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
529 desc1 = "fcpext unassigned";
530 break;
531 default:
532 desc1 = "";
533 break;
534 }
535
536 scsi_print_command(sc);
537 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %llu\n",
538 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
539 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
540 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
541 scsi_get_resid(sc));
542 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
543 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
544 le32_to_cpu(pScsiReply->TransferCount), sc->result);
545
546 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
547 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
548 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
549 pScsiReply->SCSIState);
550
551 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
552 skey = sc->sense_buffer[2] & 0x0F;
553 asc = sc->sense_buffer[12];
554 ascq = sc->sense_buffer[13];
555
556 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
557 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
558 }
559
560 /*
561 * Look for + dump FCP ResponseInfo[]!
562 */
563 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
564 pScsiReply->ResponseInfo)
565 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
566 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
567}
568#endif
569
570/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
571/*
572 * mptscsih_io_done - Main SCSI IO callback routine registered to
573 * Fusion MPT (base) driver
574 * @ioc: Pointer to MPT_ADAPTER structure
575 * @mf: Pointer to original MPT request frame
576 * @r: Pointer to MPT reply frame (NULL if TurboReply)
577 *
578 * This routine is called from mpt.c::mpt_interrupt() at the completion
579 * of any SCSI IO request.
580 * This routine is registered with the Fusion MPT (base) driver at driver
581 * load/init time via the mpt_register() API call.
582 *
583 * Returns 1 indicating alloc'd request frame ptr should be freed.
584 */
585int
586mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
587{
588 struct scsi_cmnd *sc;
589 MPT_SCSI_HOST *hd;
590 SCSIIORequest_t *pScsiReq;
591 SCSIIOReply_t *pScsiReply;
592 u16 req_idx, req_idx_MR;
593 VirtDevice *vdevice;
594 VirtTarget *vtarget;
595
596 hd = shost_priv(ioc->sh);
597 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
598 req_idx_MR = (mr != NULL) ?
599 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
600
601 /* Special case, where already freed message frame is received from
602 * Firmware. It happens with Resetting IOC.
603 * Return immediately. Do not care
604 */
605 if ((req_idx != req_idx_MR) ||
606 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
607 return 0;
608
609 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
610 if (sc == NULL) {
611 MPIHeader_t *hdr = (MPIHeader_t *)mf;
612
613 /* Remark: writeSDP1 will use the ScsiDoneCtx
614 * If a SCSI I/O cmd, device disabled by OS and
615 * completion done. Cannot touch sc struct. Just free mem.
616 */
617 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
618 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
619 ioc->name);
620
621 mptscsih_freeChainBuffers(ioc, req_idx);
622 return 1;
623 }
624
625 if ((unsigned char *)mf != sc->host_scribble) {
626 mptscsih_freeChainBuffers(ioc, req_idx);
627 return 1;
628 }
629
630 if (ioc->bus_type == SAS) {
631 VirtDevice *vdevice = sc->device->hostdata;
632
633 if (!vdevice || !vdevice->vtarget ||
634 vdevice->vtarget->deleted) {
635 sc->result = DID_NO_CONNECT << 16;
636 goto out;
637 }
638 }
639
640 sc->host_scribble = NULL;
641 sc->result = DID_OK << 16; /* Set default reply as OK */
642 pScsiReq = (SCSIIORequest_t *) mf;
643 pScsiReply = (SCSIIOReply_t *) mr;
644
645 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
646 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
647 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
648 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
649 }else{
650 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
651 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
652 ioc->name, mf, mr, sc, req_idx));
653 }
654
655 if (pScsiReply == NULL) {
656 /* special context reply handling */
657 ;
658 } else {
659 u32 xfer_cnt;
660 u16 status;
661 u8 scsi_state, scsi_status;
662 u32 log_info;
663
664 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
665
666 scsi_state = pScsiReply->SCSIState;
667 scsi_status = pScsiReply->SCSIStatus;
668 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
669 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
670 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
671
672 /*
673 * if we get a data underrun indication, yet no data was
674 * transferred and the SCSI status indicates that the
675 * command was never started, change the data underrun
676 * to success
677 */
678 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
679 (scsi_status == MPI_SCSI_STATUS_BUSY ||
680 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
681 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
682 status = MPI_IOCSTATUS_SUCCESS;
683 }
684
685 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
686 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
687
688 /*
689 * Look for + dump FCP ResponseInfo[]!
690 */
691 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
692 pScsiReply->ResponseInfo) {
693 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%llu] "
694 "FCP_ResponseInfo=%08xh\n", ioc->name,
695 sc->device->host->host_no, sc->device->channel,
696 sc->device->id, sc->device->lun,
697 le32_to_cpu(pScsiReply->ResponseInfo));
698 }
699
700 switch(status) {
701 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
702 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
703 /* CHECKME!
704 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
705 * But not: DID_BUS_BUSY lest one risk
706 * killing interrupt handler:-(
707 */
708 sc->result = SAM_STAT_BUSY;
709 break;
710
711 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
712 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
713 sc->result = DID_BAD_TARGET << 16;
714 break;
715
716 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
717 /* Spoof to SCSI Selection Timeout! */
718 if (ioc->bus_type != FC)
719 sc->result = DID_NO_CONNECT << 16;
720 /* else fibre, just stall until rescan event */
721 else
722 sc->result = DID_REQUEUE << 16;
723
724 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
725 hd->sel_timeout[pScsiReq->TargetID]++;
726
727 vdevice = sc->device->hostdata;
728 if (!vdevice)
729 break;
730 vtarget = vdevice->vtarget;
731 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
732 mptscsih_issue_sep_command(ioc, vtarget,
733 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
734 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
735 }
736 break;
737
738 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
739 if ( ioc->bus_type == SAS ) {
740 u16 ioc_status =
741 le16_to_cpu(pScsiReply->IOCStatus);
742 if ((ioc_status &
743 MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
744 &&
745 ((log_info & SAS_LOGINFO_MASK) ==
746 SAS_LOGINFO_NEXUS_LOSS)) {
747 VirtDevice *vdevice =
748 sc->device->hostdata;
749
750 /* flag the device as being in
751 * device removal delay so we can
752 * notify the midlayer to hold off
753 * on timeout eh */
754 if (vdevice && vdevice->
755 vtarget &&
756 vdevice->vtarget->
757 raidVolume)
758 printk(KERN_INFO
759 "Skipping Raid Volume"
760 "for inDMD\n");
761 else if (vdevice &&
762 vdevice->vtarget)
763 vdevice->vtarget->
764 inDMD = 1;
765
766 sc->result =
767 (DID_TRANSPORT_DISRUPTED
768 << 16);
769 break;
770 }
771 } else if (ioc->bus_type == FC) {
772 /*
773 * The FC IOC may kill a request for variety of
774 * reasons, some of which may be recovered by a
775 * retry, some which are unlikely to be
776 * recovered. Return DID_ERROR instead of
777 * DID_RESET to permit retry of the command,
778 * just not an infinite number of them
779 */
780 sc->result = DID_ERROR << 16;
781 break;
782 }
783
784 /*
785 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
786 */
787 fallthrough;
788
789 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
790 /* Linux handles an unsolicited DID_RESET better
791 * than an unsolicited DID_ABORT.
792 */
793 sc->result = DID_RESET << 16;
794 break;
795
796 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
797 if (ioc->bus_type == FC)
798 sc->result = DID_ERROR << 16;
799 else
800 sc->result = DID_RESET << 16;
801 break;
802
803 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
804 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
805 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
806 sc->result=DID_SOFT_ERROR << 16;
807 else /* Sufficient data transfer occurred */
808 sc->result = (DID_OK << 16) | scsi_status;
809 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
810 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
811 ioc->name, sc->result, sc->device->channel, sc->device->id));
812 break;
813
814 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
815 /*
816 * Do upfront check for valid SenseData and give it
817 * precedence!
818 */
819 sc->result = (DID_OK << 16) | scsi_status;
820 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
821
822 /*
823 * For an Errata on LSI53C1030
824 * When the length of request data
825 * and transfer data are different
826 * with result of command (READ or VERIFY),
827 * DID_SOFT_ERROR is set.
828 */
829 if (ioc->bus_type == SPI) {
830 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
831 pScsiReq->CDB[0] == READ_10 ||
832 pScsiReq->CDB[0] == READ_12 ||
833 (pScsiReq->CDB[0] == READ_16 &&
834 ((pScsiReq->CDB[1] & 0x02) == 0)) ||
835 pScsiReq->CDB[0] == VERIFY ||
836 pScsiReq->CDB[0] == VERIFY_16) {
837 if (scsi_bufflen(sc) !=
838 xfer_cnt) {
839 sc->result =
840 DID_SOFT_ERROR << 16;
841 printk(KERN_WARNING "Errata"
842 "on LSI53C1030 occurred."
843 "sc->req_bufflen=0x%02x,"
844 "xfer_cnt=0x%02x\n",
845 scsi_bufflen(sc),
846 xfer_cnt);
847 }
848 }
849 }
850
851 if (xfer_cnt < sc->underflow) {
852 if (scsi_status == SAM_STAT_BUSY)
853 sc->result = SAM_STAT_BUSY;
854 else
855 sc->result = DID_SOFT_ERROR << 16;
856 }
857 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
858 /* What to do?
859 */
860 sc->result = DID_SOFT_ERROR << 16;
861 }
862 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
863 /* Not real sure here either... */
864 sc->result = DID_RESET << 16;
865 }
866 }
867
868
869 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
870 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
871 ioc->name, sc->underflow));
872 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
873 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
874
875 /* Report Queue Full
876 */
877 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
878 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
879
880 break;
881
882 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
883 scsi_set_resid(sc, 0);
884 fallthrough;
885 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
886 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
887 sc->result = (DID_OK << 16) | scsi_status;
888 if (scsi_state == 0) {
889 ;
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
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 */
989 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
990 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
991 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
992 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
993 default:
994 /*
995 * What to do?
996 */
997 sc->result = DID_SOFT_ERROR << 16;
998 break;
999
1000 } /* switch(status) */
1001
1002#ifdef CONFIG_FUSION_LOGGING
1003 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
1004 mptscsih_info_scsiio(ioc, sc, pScsiReply);
1005#endif
1006
1007 } /* end of address reply case */
1008out:
1009 /* Unmap the DMA buffers, if any. */
1010 scsi_dma_unmap(sc);
1011
1012 scsi_done(sc); /* Issue the command callback */
1013
1014 /* Free Chain buffers */
1015 mptscsih_freeChainBuffers(ioc, req_idx);
1016 return 1;
1017}
1018
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 */
1029void
1030mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1031{
1032 MPT_ADAPTER *ioc = hd->ioc;
1033 struct scsi_cmnd *sc;
1034 SCSIIORequest_t *mf = NULL;
1035 int ii;
1036 int channel, id;
1037
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;
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));
1057 scsi_done(sc);
1058 }
1059}
1060EXPORT_SYMBOL(mptscsih_flush_running_cmds);
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.
1068 * (BUT, BUT, BUT, the code does reference it! - mdr)
1069 * @hd: Pointer to a SCSI HOST structure
1070 * @vdevice: per device private data
1071 *
1072 * Returns: None.
1073 *
1074 * Called from slave_destroy.
1075 */
1076static void
1077mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1078{
1079 SCSIIORequest_t *mf = NULL;
1080 int ii;
1081 struct scsi_cmnd *sc;
1082 struct scsi_lun lun;
1083 MPT_ADAPTER *ioc = hd->ioc;
1084 unsigned long flags;
1085
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) {
1089
1090 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1091 if (mf == NULL)
1092 continue;
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
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))
1105 continue;
1106
1107 if ((unsigned char *)mf != sc->host_scribble)
1108 continue;
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);
1113 scsi_dma_unmap(sc);
1114 sc->host_scribble = NULL;
1115 sc->result = DID_NO_CONNECT << 16;
1116 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1117 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1118 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1119 vdevice->vtarget->channel, vdevice->vtarget->id,
1120 sc, mf, ii));
1121 scsi_done(sc);
1122 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1123 }
1124 }
1125 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1126 return;
1127}
1128
1129/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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;
1147 MPT_SCSI_HOST *hd;
1148 MPT_ADAPTER *ioc;
1149
1150 if (sc->device == NULL)
1151 return;
1152 if (sc->device->host == NULL)
1153 return;
1154 if ((hd = shost_priv(sc->device->host)) == NULL)
1155 return;
1156 ioc = hd->ioc;
1157 if (time - hd->last_queue_full > 10 * HZ) {
1158 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%llu) reported QUEUE_FULL!\n",
1159 ioc->name, 0, sc->device->id, sc->device->lun));
1160 hd->last_queue_full = time;
1161 }
1162}
1163
1164/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1165/*
1166 * mptscsih_remove - Removed scsi devices
1167 * @pdev: Pointer to pci_dev structure
1168 *
1169 *
1170 */
1171void
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;
1177 int sz1;
1178
1179 if (host == NULL)
1180 hd = NULL;
1181 else
1182 hd = shost_priv(host);
1183
1184 mptscsih_shutdown(pdev);
1185
1186 sz1=0;
1187
1188 if (ioc->ScsiLookup != NULL) {
1189 sz1 = ioc->req_depth * sizeof(void *);
1190 kfree(ioc->ScsiLookup);
1191 ioc->ScsiLookup = NULL;
1192 }
1193
1194 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1195 "Free'd ScsiLookup (%d) memory\n",
1196 ioc->name, sz1));
1197
1198 if (hd)
1199 kfree(hd->info_kbuf);
1200
1201 /* NULL the Scsi_Host pointer
1202 */
1203 ioc->sh = NULL;
1204
1205 if (host)
1206 scsi_host_put(host);
1207 mpt_detach(pdev);
1208
1209}
1210
1211/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1212/*
1213 * mptscsih_shutdown - reboot notifier
1214 *
1215 */
1216void
1217mptscsih_shutdown(struct pci_dev *pdev)
1218{
1219}
1220
1221#ifdef CONFIG_PM
1222/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1223/*
1224 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1225 *
1226 *
1227 */
1228int
1229mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1230{
1231 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1232
1233 scsi_block_requests(ioc->sh);
1234 mptscsih_shutdown(pdev);
1235 return mpt_suspend(pdev,state);
1236}
1237
1238/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1239/*
1240 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1241 *
1242 *
1243 */
1244int
1245mptscsih_resume(struct pci_dev *pdev)
1246{
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;
1253}
1254
1255#endif
1256
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 */
1266const char *
1267mptscsih_info(struct Scsi_Host *SChost)
1268{
1269 MPT_SCSI_HOST *h;
1270 int size = 0;
1271
1272 h = shost_priv(SChost);
1273
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';
1281
1282 return h->info_kbuf;
1283}
1284
1285int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host)
1286{
1287 MPT_SCSI_HOST *hd = shost_priv(host);
1288 MPT_ADAPTER *ioc = hd->ioc;
1289
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);
1294
1295 return 0;
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
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 */
1312int
1313mptscsih_qcmd(struct scsi_cmnd *SCpnt)
1314{
1315 MPT_SCSI_HOST *hd;
1316 MPT_FRAME_HDR *mf;
1317 SCSIIORequest_t *pScsiReq;
1318 VirtDevice *vdevice = SCpnt->device->hostdata;
1319 u32 datalen;
1320 u32 scsictl;
1321 u32 scsidir;
1322 u32 cmd_len;
1323 int my_idx;
1324 int ii;
1325 MPT_ADAPTER *ioc;
1326
1327 hd = shost_priv(SCpnt->device->host);
1328 ioc = hd->ioc;
1329
1330 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p\n",
1331 ioc->name, SCpnt));
1332
1333 if (ioc->taskmgmt_quiesce_io)
1334 return SCSI_MLQUEUE_HOST_BUSY;
1335
1336 /*
1337 * Put together a MPT SCSI request...
1338 */
1339 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1340 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1341 ioc->name));
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
1351 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1352 * Seems we may receive a buffer (datalen>0) even when there
1353 * will be no data transfer! GRRRRR...
1354 */
1355 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1356 datalen = scsi_bufflen(SCpnt);
1357 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1358 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1359 datalen = scsi_bufflen(SCpnt);
1360 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
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 */
1369 if ((vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) &&
1370 SCpnt->device->tagged_supported)
1371 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1372 else
1373 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1374
1375
1376 /* Use the above information to set up the message frame
1377 */
1378 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1379 pScsiReq->Bus = vdevice->vtarget->channel;
1380 pScsiReq->ChainOffset = 0;
1381 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1382 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1383 else
1384 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1385 pScsiReq->CDBLength = SCpnt->cmd_len;
1386 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1387 pScsiReq->Reserved = 0;
1388 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1389 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1390 pScsiReq->Control = cpu_to_le32(scsictl);
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 */
1406 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
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 */
1414 ioc->add_sge((char *)&pScsiReq->SGL,
1415 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1416 (dma_addr_t) -1);
1417 } else {
1418 /* Add a 32 or 64 bit SGE */
1419 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1420 goto fail;
1421 }
1422
1423 SCpnt->host_scribble = (unsigned char *)mf;
1424 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1425
1426 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1427 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1428 ioc->name, SCpnt, mf, my_idx));
1429 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1430 return 0;
1431
1432 fail:
1433 mptscsih_freeChainBuffers(ioc, my_idx);
1434 mpt_free_msg_frame(ioc, mf);
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
1479 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1494/**
1495 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1496 * @hd: Pointer to MPT_SCSI_HOST structure
1497 * @type: Task Management type
1498 * @channel: channel number for task management
1499 * @id: Logical Target ID for reset (if appropriate)
1500 * @lun: Logical Unit for reset (if appropriate)
1501 * @ctx2abort: Context for the task to be aborted (if appropriate)
1502 * @timeout: timeout for task management control
1503 *
1504 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1505 * or a non-interrupt thread. In the former, must not call schedule().
1506 *
1507 * Not all fields are meaningfull for all task types.
1508 *
1509 * Returns 0 for SUCCESS, or FAILED.
1510 *
1511 **/
1512int
1513mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, u64 lun,
1514 int ctx2abort, ulong timeout)
1515{
1516 MPT_FRAME_HDR *mf;
1517 SCSITaskMgmt_t *pScsiTm;
1518 int ii;
1519 int retval;
1520 MPT_ADAPTER *ioc = hd->ioc;
1521 u8 issue_hard_reset;
1522 u32 ioc_raw_state;
1523 unsigned long time_count;
1524
1525 issue_hard_reset = 0;
1526 ioc_raw_state = mpt_GetIocState(ioc, 0);
1527
1528 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1529 printk(MYIOC_s_WARN_FMT
1530 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1531 ioc->name, type, ioc_raw_state);
1532 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1533 ioc->name, __func__);
1534 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1535 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1536 "FAILED!!\n", ioc->name);
1537 return 0;
1538 }
1539
1540 /* DOORBELL ACTIVE check is not required if
1541 * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported.
1542 */
1543
1544 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
1545 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
1546 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
1547 printk(MYIOC_s_WARN_FMT
1548 "TaskMgmt type=%x: ioc_state: "
1549 "DOORBELL_ACTIVE (0x%x)!\n",
1550 ioc->name, type, ioc_raw_state);
1551 return FAILED;
1552 }
1553
1554 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1555 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1556 mf = NULL;
1557 retval = FAILED;
1558 goto out;
1559 }
1560
1561 /* Return Fail to calling function if no message frames available.
1562 */
1563 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1564 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1565 "TaskMgmt no msg frames!!\n", ioc->name));
1566 retval = FAILED;
1567 mpt_clear_taskmgmt_in_progress_flag(ioc);
1568 goto out;
1569 }
1570 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1571 ioc->name, mf));
1572
1573 /* Format the Request
1574 */
1575 pScsiTm = (SCSITaskMgmt_t *) mf;
1576 pScsiTm->TargetID = id;
1577 pScsiTm->Bus = channel;
1578 pScsiTm->ChainOffset = 0;
1579 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1580
1581 pScsiTm->Reserved = 0;
1582 pScsiTm->TaskType = type;
1583 pScsiTm->Reserved1 = 0;
1584 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1585 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1586
1587 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1588
1589 for (ii=0; ii < 7; ii++)
1590 pScsiTm->Reserved2[ii] = 0;
1591
1592 pScsiTm->TaskMsgContext = ctx2abort;
1593
1594 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1595 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1596 type, timeout));
1597
1598 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1599
1600 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1601 time_count = jiffies;
1602 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1603 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1604 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1605 else {
1606 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1607 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1608 if (retval) {
1609 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1610 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1611 ioc->name, mf, retval));
1612 mpt_free_msg_frame(ioc, mf);
1613 mpt_clear_taskmgmt_in_progress_flag(ioc);
1614 goto out;
1615 }
1616 }
1617
1618 wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1619 timeout*HZ);
1620 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1621 retval = FAILED;
1622 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1623 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1624 mpt_clear_taskmgmt_in_progress_flag(ioc);
1625 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1626 goto out;
1627 issue_hard_reset = 1;
1628 goto out;
1629 }
1630
1631 retval = mptscsih_taskmgmt_reply(ioc, type,
1632 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1633
1634 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1635 "TaskMgmt completed (%d seconds)\n",
1636 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1637
1638 out:
1639
1640 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1641 if (issue_hard_reset) {
1642 printk(MYIOC_s_WARN_FMT
1643 "Issuing Reset from %s!! doorbell=0x%08x\n",
1644 ioc->name, __func__, mpt_GetIocState(ioc, 0));
1645 retval = (ioc->bus_type == SAS) ?
1646 mpt_HardResetHandler(ioc, CAN_SLEEP) :
1647 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1648 mpt_free_msg_frame(ioc, mf);
1649 }
1650
1651 retval = (retval == 0) ? 0 : FAILED;
1652 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1653 return retval;
1654}
1655EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1656
1657static int
1658mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1659{
1660 switch (ioc->bus_type) {
1661 case FC:
1662 return 40;
1663 case SAS:
1664 return 30;
1665 case SPI:
1666 default:
1667 return 10;
1668 }
1669}
1670
1671/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1672/**
1673 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1674 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1675 *
1676 * (linux scsi_host_template.eh_abort_handler routine)
1677 *
1678 * Returns SUCCESS or FAILED.
1679 **/
1680int
1681mptscsih_abort(struct scsi_cmnd * SCpnt)
1682{
1683 MPT_SCSI_HOST *hd;
1684 MPT_FRAME_HDR *mf;
1685 u32 ctx2abort;
1686 int scpnt_idx;
1687 int retval;
1688 VirtDevice *vdevice;
1689 MPT_ADAPTER *ioc;
1690
1691 /* If we can't locate our host adapter structure, return FAILED status.
1692 */
1693 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1694 SCpnt->result = DID_RESET << 16;
1695 scsi_done(SCpnt);
1696 printk(KERN_ERR MYNAM ": task abort: "
1697 "can't locate host! (sc=%p)\n", SCpnt);
1698 return FAILED;
1699 }
1700
1701 ioc = hd->ioc;
1702 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1703 ioc->name, SCpnt);
1704 scsi_print_command(SCpnt);
1705
1706 vdevice = SCpnt->device->hostdata;
1707 if (!vdevice || !vdevice->vtarget) {
1708 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1709 "task abort: device has been deleted (sc=%p)\n",
1710 ioc->name, SCpnt));
1711 SCpnt->result = DID_NO_CONNECT << 16;
1712 scsi_done(SCpnt);
1713 retval = SUCCESS;
1714 goto out;
1715 }
1716
1717 /* Task aborts are not supported for hidden raid components.
1718 */
1719 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1720 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1721 "task abort: hidden raid component (sc=%p)\n",
1722 ioc->name, SCpnt));
1723 SCpnt->result = DID_RESET << 16;
1724 retval = FAILED;
1725 goto out;
1726 }
1727
1728 /* Task aborts are not supported for volumes.
1729 */
1730 if (vdevice->vtarget->raidVolume) {
1731 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1732 "task abort: raid volume (sc=%p)\n",
1733 ioc->name, SCpnt));
1734 SCpnt->result = DID_RESET << 16;
1735 retval = FAILED;
1736 goto out;
1737 }
1738
1739 /* Find this command
1740 */
1741 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1742 /* Cmd not found in ScsiLookup.
1743 * Do OS callback.
1744 */
1745 SCpnt->result = DID_RESET << 16;
1746 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1747 "Command not in the active list! (sc=%p)\n", ioc->name,
1748 SCpnt));
1749 retval = SUCCESS;
1750 goto out;
1751 }
1752
1753 if (ioc->timeouts < -1)
1754 ioc->timeouts++;
1755
1756 if (mpt_fwfault_debug)
1757 mpt_halt_firmware(ioc);
1758
1759 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1760 * (the IO to be ABORT'd)
1761 *
1762 * NOTE: Since we do not byteswap MsgContext, we do not
1763 * swap it here either. It is an opaque cookie to
1764 * the controller, so it does not matter. -DaveM
1765 */
1766 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1767 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1768 retval = mptscsih_IssueTaskMgmt(hd,
1769 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1770 vdevice->vtarget->channel,
1771 vdevice->vtarget->id, vdevice->lun,
1772 ctx2abort, mptscsih_get_tm_timeout(ioc));
1773
1774 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
1775 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1776 "task abort: command still in active list! (sc=%p)\n",
1777 ioc->name, SCpnt));
1778 retval = FAILED;
1779 } else {
1780 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1781 "task abort: command cleared from active list! (sc=%p)\n",
1782 ioc->name, SCpnt));
1783 retval = SUCCESS;
1784 }
1785
1786 out:
1787 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
1788 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1789 SCpnt);
1790
1791 return retval;
1792}
1793
1794/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1795/**
1796 * mptscsih_dev_reset - Perform a SCSI LOGICAL_UNIT_RESET!
1797 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1798 *
1799 * (linux scsi_host_template.eh_dev_reset_handler routine)
1800 *
1801 * Returns SUCCESS or FAILED.
1802 **/
1803int
1804mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1805{
1806 MPT_SCSI_HOST *hd;
1807 int retval;
1808 VirtDevice *vdevice;
1809 MPT_ADAPTER *ioc;
1810
1811 /* If we can't locate our host adapter structure, return FAILED status.
1812 */
1813 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1814 printk(KERN_ERR MYNAM ": lun reset: "
1815 "Can't locate host! (sc=%p)\n", SCpnt);
1816 return FAILED;
1817 }
1818
1819 ioc = hd->ioc;
1820 printk(MYIOC_s_INFO_FMT "attempting lun reset! (sc=%p)\n",
1821 ioc->name, SCpnt);
1822 scsi_print_command(SCpnt);
1823
1824 vdevice = SCpnt->device->hostdata;
1825 if (!vdevice || !vdevice->vtarget) {
1826 retval = 0;
1827 goto out;
1828 }
1829
1830 retval = mptscsih_IssueTaskMgmt(hd,
1831 MPI_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET,
1832 vdevice->vtarget->channel,
1833 vdevice->vtarget->id, vdevice->lun, 0,
1834 mptscsih_get_tm_timeout(ioc));
1835
1836 out:
1837 printk (MYIOC_s_INFO_FMT "lun reset: %s (sc=%p)\n",
1838 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1839
1840 if (retval == 0)
1841 return SUCCESS;
1842 else
1843 return FAILED;
1844}
1845
1846/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1847/**
1848 * mptscsih_target_reset - Perform a SCSI TARGET_RESET!
1849 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1850 *
1851 * (linux scsi_host_template.eh_target_reset_handler routine)
1852 *
1853 * Returns SUCCESS or FAILED.
1854 **/
1855int
1856mptscsih_target_reset(struct scsi_cmnd * SCpnt)
1857{
1858 MPT_SCSI_HOST *hd;
1859 int retval;
1860 VirtDevice *vdevice;
1861 MPT_ADAPTER *ioc;
1862
1863 /* If we can't locate our host adapter structure, return FAILED status.
1864 */
1865 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1866 printk(KERN_ERR MYNAM ": target reset: "
1867 "Can't locate host! (sc=%p)\n", SCpnt);
1868 return FAILED;
1869 }
1870
1871 ioc = hd->ioc;
1872 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1873 ioc->name, SCpnt);
1874 scsi_print_command(SCpnt);
1875
1876 vdevice = SCpnt->device->hostdata;
1877 if (!vdevice || !vdevice->vtarget) {
1878 retval = 0;
1879 goto out;
1880 }
1881
1882 /* Target reset to hidden raid component is not supported
1883 */
1884 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1885 retval = FAILED;
1886 goto out;
1887 }
1888
1889 retval = mptscsih_IssueTaskMgmt(hd,
1890 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1891 vdevice->vtarget->channel,
1892 vdevice->vtarget->id, 0, 0,
1893 mptscsih_get_tm_timeout(ioc));
1894
1895 out:
1896 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1897 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1898
1899 if (retval == 0)
1900 return SUCCESS;
1901 else
1902 return FAILED;
1903}
1904
1905
1906/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1907/**
1908 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1909 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1910 *
1911 * (linux scsi_host_template.eh_bus_reset_handler routine)
1912 *
1913 * Returns SUCCESS or FAILED.
1914 **/
1915int
1916mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1917{
1918 MPT_SCSI_HOST *hd;
1919 int retval;
1920 VirtDevice *vdevice;
1921 MPT_ADAPTER *ioc;
1922
1923 /* If we can't locate our host adapter structure, return FAILED status.
1924 */
1925 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1926 printk(KERN_ERR MYNAM ": bus reset: "
1927 "Can't locate host! (sc=%p)\n", SCpnt);
1928 return FAILED;
1929 }
1930
1931 ioc = hd->ioc;
1932 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1933 ioc->name, SCpnt);
1934 scsi_print_command(SCpnt);
1935
1936 if (ioc->timeouts < -1)
1937 ioc->timeouts++;
1938
1939 vdevice = SCpnt->device->hostdata;
1940 if (!vdevice || !vdevice->vtarget)
1941 return SUCCESS;
1942 retval = mptscsih_IssueTaskMgmt(hd,
1943 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1944 vdevice->vtarget->channel, 0, 0, 0,
1945 mptscsih_get_tm_timeout(ioc));
1946
1947 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1948 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1949
1950 if (retval == 0)
1951 return SUCCESS;
1952 else
1953 return FAILED;
1954}
1955
1956/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1957/**
1958 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1959 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1960 *
1961 * (linux scsi_host_template.eh_host_reset_handler routine)
1962 *
1963 * Returns SUCCESS or FAILED.
1964 */
1965int
1966mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1967{
1968 MPT_SCSI_HOST * hd;
1969 int status = SUCCESS;
1970 MPT_ADAPTER *ioc;
1971 int retval;
1972
1973 /* If we can't locate the host to reset, then we failed. */
1974 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1975 printk(KERN_ERR MYNAM ": host reset: "
1976 "Can't locate host! (sc=%p)\n", SCpnt);
1977 return FAILED;
1978 }
1979
1980 /* make sure we have no outstanding commands at this stage */
1981 mptscsih_flush_running_cmds(hd);
1982
1983 ioc = hd->ioc;
1984 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1985 ioc->name, SCpnt);
1986
1987 /* If our attempts to reset the host failed, then return a failed
1988 * status. The host will be taken off line by the SCSI mid-layer.
1989 */
1990 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1991 if (retval < 0)
1992 status = FAILED;
1993 else
1994 status = SUCCESS;
1995
1996 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1997 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1998
1999 return status;
2000}
2001
2002static int
2003mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
2004 SCSITaskMgmtReply_t *pScsiTmReply)
2005{
2006 u16 iocstatus;
2007 u32 termination_count;
2008 int retval;
2009
2010 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
2011 retval = FAILED;
2012 goto out;
2013 }
2014
2015 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
2016
2017 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2018 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
2019
2020 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2021 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
2022 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
2023 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
2024 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
2025 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
2026 termination_count));
2027
2028 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
2029 pScsiTmReply->ResponseCode)
2030 mptscsih_taskmgmt_response_code(ioc,
2031 pScsiTmReply->ResponseCode);
2032
2033 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
2034 retval = 0;
2035 goto out;
2036 }
2037
2038 retval = FAILED;
2039 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
2040 if (termination_count == 1)
2041 retval = 0;
2042 goto out;
2043 }
2044
2045 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
2046 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2047 retval = 0;
2048
2049 out:
2050 return retval;
2051}
2052
2053/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2054void
2055mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2056{
2057 char *desc;
2058
2059 switch (response_code) {
2060 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2061 desc = "The task completed.";
2062 break;
2063 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2064 desc = "The IOC received an invalid frame status.";
2065 break;
2066 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2067 desc = "The task type is not supported.";
2068 break;
2069 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2070 desc = "The requested task failed.";
2071 break;
2072 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2073 desc = "The task completed successfully.";
2074 break;
2075 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2076 desc = "The LUN request is invalid.";
2077 break;
2078 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2079 desc = "The task is in the IOC queue and has not been sent to target.";
2080 break;
2081 default:
2082 desc = "unknown";
2083 break;
2084 }
2085 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2086 ioc->name, response_code, desc);
2087}
2088EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2089
2090/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2091/**
2092 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2093 * @ioc: Pointer to MPT_ADAPTER structure
2094 * @mf: Pointer to SCSI task mgmt request frame
2095 * @mr: Pointer to SCSI task mgmt reply frame
2096 *
2097 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2098 * of any SCSI task management request.
2099 * This routine is registered with the MPT (base) driver at driver
2100 * load/init time via the mpt_register() API call.
2101 *
2102 * Returns 1 indicating alloc'd request frame ptr should be freed.
2103 **/
2104int
2105mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2106 MPT_FRAME_HDR *mr)
2107{
2108 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2109 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2110
2111 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2112
2113 if (!mr)
2114 goto out;
2115
2116 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2117 memcpy(ioc->taskmgmt_cmds.reply, mr,
2118 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2119 out:
2120 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2121 mpt_clear_taskmgmt_in_progress_flag(ioc);
2122 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2123 complete(&ioc->taskmgmt_cmds.done);
2124 if (ioc->bus_type == SAS)
2125 ioc->schedule_target_reset(ioc);
2126 return 1;
2127 }
2128 return 0;
2129}
2130
2131/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2132/*
2133 * This is anyones guess quite frankly.
2134 */
2135int
2136mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2137 sector_t capacity, int geom[])
2138{
2139 int heads;
2140 int sectors;
2141 sector_t cylinders;
2142 ulong dummy;
2143
2144 heads = 64;
2145 sectors = 32;
2146
2147 dummy = heads * sectors;
2148 cylinders = capacity;
2149 sector_div(cylinders,dummy);
2150
2151 /*
2152 * Handle extended translation size for logical drives
2153 * > 1Gb
2154 */
2155 if ((ulong)capacity >= 0x200000) {
2156 heads = 255;
2157 sectors = 63;
2158 dummy = heads * sectors;
2159 cylinders = capacity;
2160 sector_div(cylinders,dummy);
2161 }
2162
2163 /* return result */
2164 geom[0] = heads;
2165 geom[1] = sectors;
2166 geom[2] = cylinders;
2167
2168 return 0;
2169}
2170
2171/* Search IOC page 3 to determine if this is hidden physical disk
2172 *
2173 */
2174int
2175mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2176{
2177 struct inactive_raid_component_info *component_info;
2178 int i, j;
2179 RaidPhysDiskPage1_t *phys_disk;
2180 int rc = 0;
2181 int num_paths;
2182
2183 if (!ioc->raid_data.pIocPg3)
2184 goto out;
2185 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2186 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2187 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2188 rc = 1;
2189 goto out;
2190 }
2191 }
2192
2193 if (ioc->bus_type != SAS)
2194 goto out;
2195
2196 /*
2197 * Check if dual path
2198 */
2199 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2200 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2201 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2202 if (num_paths < 2)
2203 continue;
2204 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2205 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2206 if (!phys_disk)
2207 continue;
2208 if ((mpt_raid_phys_disk_pg1(ioc,
2209 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2210 phys_disk))) {
2211 kfree(phys_disk);
2212 continue;
2213 }
2214 for (j = 0; j < num_paths; j++) {
2215 if ((phys_disk->Path[j].Flags &
2216 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2217 continue;
2218 if ((phys_disk->Path[j].Flags &
2219 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2220 continue;
2221 if ((id == phys_disk->Path[j].PhysDiskID) &&
2222 (channel == phys_disk->Path[j].PhysDiskBus)) {
2223 rc = 1;
2224 kfree(phys_disk);
2225 goto out;
2226 }
2227 }
2228 kfree(phys_disk);
2229 }
2230
2231
2232 /*
2233 * Check inactive list for matching phys disks
2234 */
2235 if (list_empty(&ioc->raid_data.inactive_list))
2236 goto out;
2237
2238 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2239 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2240 list) {
2241 if ((component_info->d.PhysDiskID == id) &&
2242 (component_info->d.PhysDiskBus == channel))
2243 rc = 1;
2244 }
2245 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2246
2247 out:
2248 return rc;
2249}
2250EXPORT_SYMBOL(mptscsih_is_phys_disk);
2251
2252u8
2253mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2254{
2255 struct inactive_raid_component_info *component_info;
2256 int i, j;
2257 RaidPhysDiskPage1_t *phys_disk;
2258 int rc = -ENXIO;
2259 int num_paths;
2260
2261 if (!ioc->raid_data.pIocPg3)
2262 goto out;
2263 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2264 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2265 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2266 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2267 goto out;
2268 }
2269 }
2270
2271 if (ioc->bus_type != SAS)
2272 goto out;
2273
2274 /*
2275 * Check if dual path
2276 */
2277 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2278 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2279 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2280 if (num_paths < 2)
2281 continue;
2282 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2283 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2284 if (!phys_disk)
2285 continue;
2286 if ((mpt_raid_phys_disk_pg1(ioc,
2287 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2288 phys_disk))) {
2289 kfree(phys_disk);
2290 continue;
2291 }
2292 for (j = 0; j < num_paths; j++) {
2293 if ((phys_disk->Path[j].Flags &
2294 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2295 continue;
2296 if ((phys_disk->Path[j].Flags &
2297 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2298 continue;
2299 if ((id == phys_disk->Path[j].PhysDiskID) &&
2300 (channel == phys_disk->Path[j].PhysDiskBus)) {
2301 rc = phys_disk->PhysDiskNum;
2302 kfree(phys_disk);
2303 goto out;
2304 }
2305 }
2306 kfree(phys_disk);
2307 }
2308
2309 /*
2310 * Check inactive list for matching phys disks
2311 */
2312 if (list_empty(&ioc->raid_data.inactive_list))
2313 goto out;
2314
2315 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2316 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2317 list) {
2318 if ((component_info->d.PhysDiskID == id) &&
2319 (component_info->d.PhysDiskBus == channel))
2320 rc = component_info->d.PhysDiskNum;
2321 }
2322 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2323
2324 out:
2325 return rc;
2326}
2327EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2328
2329/*
2330 * OS entry point to allow for host driver to free allocated memory
2331 * Called if no device present or device being unloaded
2332 */
2333void
2334mptscsih_slave_destroy(struct scsi_device *sdev)
2335{
2336 struct Scsi_Host *host = sdev->host;
2337 MPT_SCSI_HOST *hd = shost_priv(host);
2338 VirtTarget *vtarget;
2339 VirtDevice *vdevice;
2340 struct scsi_target *starget;
2341
2342 starget = scsi_target(sdev);
2343 vtarget = starget->hostdata;
2344 vdevice = sdev->hostdata;
2345 if (!vdevice)
2346 return;
2347
2348 mptscsih_search_running_cmds(hd, vdevice);
2349 vtarget->num_luns--;
2350 mptscsih_synchronize_cache(hd, vdevice);
2351 kfree(vdevice);
2352 sdev->hostdata = NULL;
2353}
2354
2355/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2356/*
2357 * mptscsih_change_queue_depth - This function will set a devices queue depth
2358 * @sdev: per scsi_device pointer
2359 * @qdepth: requested queue depth
2360 *
2361 * Adding support for new 'change_queue_depth' api.
2362*/
2363int
2364mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
2365{
2366 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2367 VirtTarget *vtarget;
2368 struct scsi_target *starget;
2369 int max_depth;
2370 MPT_ADAPTER *ioc = hd->ioc;
2371
2372 starget = scsi_target(sdev);
2373 vtarget = starget->hostdata;
2374
2375 if (ioc->bus_type == SPI) {
2376 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2377 max_depth = 1;
2378 else if (sdev->type == TYPE_DISK &&
2379 vtarget->minSyncFactor <= MPT_ULTRA160)
2380 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2381 else
2382 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2383 } else
2384 max_depth = ioc->sh->can_queue;
2385
2386 if (!sdev->tagged_supported)
2387 max_depth = 1;
2388
2389 if (qdepth > max_depth)
2390 qdepth = max_depth;
2391
2392 return scsi_change_queue_depth(sdev, qdepth);
2393}
2394
2395/*
2396 * OS entry point to adjust the queue_depths on a per-device basis.
2397 * Called once per device the bus scan. Use it to force the queue_depth
2398 * member to 1 if a device does not support Q tags.
2399 * Return non-zero if fails.
2400 */
2401int
2402mptscsih_slave_configure(struct scsi_device *sdev)
2403{
2404 struct Scsi_Host *sh = sdev->host;
2405 VirtTarget *vtarget;
2406 VirtDevice *vdevice;
2407 struct scsi_target *starget;
2408 MPT_SCSI_HOST *hd = shost_priv(sh);
2409 MPT_ADAPTER *ioc = hd->ioc;
2410
2411 starget = scsi_target(sdev);
2412 vtarget = starget->hostdata;
2413 vdevice = sdev->hostdata;
2414
2415 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2416 "device @ %p, channel=%d, id=%d, lun=%llu\n",
2417 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2418 if (ioc->bus_type == SPI)
2419 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2420 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2421 ioc->name, sdev->sdtr, sdev->wdtr,
2422 sdev->ppr, sdev->inquiry_len));
2423
2424 vdevice->configured_lun = 1;
2425
2426 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2427 "Queue depth=%d, tflags=%x\n",
2428 ioc->name, sdev->queue_depth, vtarget->tflags));
2429
2430 if (ioc->bus_type == SPI)
2431 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2432 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2433 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2434 vtarget->minSyncFactor));
2435
2436 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
2437 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2438 "tagged %d, simple %d\n",
2439 ioc->name,sdev->tagged_supported, sdev->simple_tags));
2440
2441 return 0;
2442}
2443
2444/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2445/*
2446 * Private routines...
2447 */
2448
2449/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2450/* Utility function to copy sense data from the scsi_cmnd buffer
2451 * to the FC and SCSI target structures.
2452 *
2453 */
2454static void
2455mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2456{
2457 VirtDevice *vdevice;
2458 SCSIIORequest_t *pReq;
2459 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2460 MPT_ADAPTER *ioc = hd->ioc;
2461
2462 /* Get target structure
2463 */
2464 pReq = (SCSIIORequest_t *) mf;
2465 vdevice = sc->device->hostdata;
2466
2467 if (sense_count) {
2468 u8 *sense_data;
2469 int req_index;
2470
2471 /* Copy the sense received into the scsi command block. */
2472 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2473 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2474 memcpy(sc->sense_buffer, sense_data, MPT_SENSE_BUFFER_ALLOC);
2475
2476 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2477 */
2478 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2479 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2480 int idx;
2481
2482 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2483 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2484 ioc->events[idx].eventContext = ioc->eventContext;
2485
2486 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2487 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2488 (sc->device->channel << 8) | sc->device->id;
2489
2490 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2491
2492 ioc->eventContext++;
2493 if (ioc->pcidev->vendor ==
2494 PCI_VENDOR_ID_IBM) {
2495 mptscsih_issue_sep_command(ioc,
2496 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2497 vdevice->vtarget->tflags |=
2498 MPT_TARGET_FLAGS_LED_ON;
2499 }
2500 }
2501 }
2502 } else {
2503 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2504 ioc->name));
2505 }
2506}
2507
2508/**
2509 * mptscsih_get_scsi_lookup - retrieves scmd entry
2510 * @ioc: Pointer to MPT_ADAPTER structure
2511 * @i: index into the array
2512 *
2513 * Returns the scsi_cmd pointer
2514 */
2515struct scsi_cmnd *
2516mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2517{
2518 unsigned long flags;
2519 struct scsi_cmnd *scmd;
2520
2521 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2522 scmd = ioc->ScsiLookup[i];
2523 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2524
2525 return scmd;
2526}
2527EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2528
2529/**
2530 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2531 * @ioc: Pointer to MPT_ADAPTER structure
2532 * @i: index into the array
2533 *
2534 * Returns the scsi_cmd pointer
2535 *
2536 **/
2537static struct scsi_cmnd *
2538mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2539{
2540 unsigned long flags;
2541 struct scsi_cmnd *scmd;
2542
2543 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2544 scmd = ioc->ScsiLookup[i];
2545 ioc->ScsiLookup[i] = NULL;
2546 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2547
2548 return scmd;
2549}
2550
2551/**
2552 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
2553 *
2554 * @ioc: Pointer to MPT_ADAPTER structure
2555 * @i: index into the array
2556 * @scmd: scsi_cmnd pointer
2557 *
2558 **/
2559static void
2560mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2561{
2562 unsigned long flags;
2563
2564 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2565 ioc->ScsiLookup[i] = scmd;
2566 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2567}
2568
2569/**
2570 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2571 * @ioc: Pointer to MPT_ADAPTER structure
2572 * @sc: scsi_cmnd pointer
2573 */
2574static int
2575SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2576{
2577 unsigned long flags;
2578 int i, index=-1;
2579
2580 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2581 for (i = 0; i < ioc->req_depth; i++) {
2582 if (ioc->ScsiLookup[i] == sc) {
2583 index = i;
2584 goto out;
2585 }
2586 }
2587
2588 out:
2589 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2590 return index;
2591}
2592
2593/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2594int
2595mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2596{
2597 MPT_SCSI_HOST *hd;
2598
2599 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2600 return 0;
2601
2602 hd = shost_priv(ioc->sh);
2603 switch (reset_phase) {
2604 case MPT_IOC_SETUP_RESET:
2605 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2606 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2607 break;
2608 case MPT_IOC_PRE_RESET:
2609 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2610 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2611 mptscsih_flush_running_cmds(hd);
2612 break;
2613 case MPT_IOC_POST_RESET:
2614 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2615 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2616 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2617 ioc->internal_cmds.status |=
2618 MPT_MGMT_STATUS_DID_IOCRESET;
2619 complete(&ioc->internal_cmds.done);
2620 }
2621 break;
2622 default:
2623 break;
2624 }
2625 return 1; /* currently means nothing really */
2626}
2627
2628/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2629int
2630mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2631{
2632 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2633
2634 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2635 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2636 ioc->name, event));
2637
2638 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2639 event == MPI_EVENT_EXT_BUS_RESET) &&
2640 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2641 ioc->soft_resets++;
2642
2643 return 1; /* currently means nothing really */
2644}
2645
2646/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2647/*
2648 * Bus Scan and Domain Validation functionality ...
2649 */
2650
2651/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2652/*
2653 * mptscsih_scandv_complete - Scan and DV callback routine registered
2654 * to Fustion MPT (base) driver.
2655 *
2656 * @ioc: Pointer to MPT_ADAPTER structure
2657 * @mf: Pointer to original MPT request frame
2658 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2659 *
2660 * This routine is called from mpt.c::mpt_interrupt() at the completion
2661 * of any SCSI IO request.
2662 * This routine is registered with the Fusion MPT (base) driver at driver
2663 * load/init time via the mpt_register() API call.
2664 *
2665 * Returns 1 indicating alloc'd request frame ptr should be freed.
2666 *
2667 * Remark: Sets a completion code and (possibly) saves sense data
2668 * in the IOC member localReply structure.
2669 * Used ONLY for DV and other internal commands.
2670 */
2671int
2672mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2673 MPT_FRAME_HDR *reply)
2674{
2675 SCSIIORequest_t *pReq;
2676 SCSIIOReply_t *pReply;
2677 u8 cmd;
2678 u16 req_idx;
2679 u8 *sense_data;
2680 int sz;
2681
2682 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2683 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2684 if (!reply)
2685 goto out;
2686
2687 pReply = (SCSIIOReply_t *) reply;
2688 pReq = (SCSIIORequest_t *) req;
2689 ioc->internal_cmds.completion_code =
2690 mptscsih_get_completion_code(ioc, req, reply);
2691 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2692 memcpy(ioc->internal_cmds.reply, reply,
2693 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2694 cmd = reply->u.hdr.Function;
2695 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2696 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2697 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2698 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2699 sense_data = ((u8 *)ioc->sense_buf_pool +
2700 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2701 sz = min_t(int, pReq->SenseBufferLength,
2702 MPT_SENSE_BUFFER_ALLOC);
2703 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2704 }
2705 out:
2706 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2707 return 0;
2708 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2709 complete(&ioc->internal_cmds.done);
2710 return 1;
2711}
2712
2713
2714/**
2715 * mptscsih_get_completion_code - get completion code from MPT request
2716 * @ioc: Pointer to MPT_ADAPTER structure
2717 * @req: Pointer to original MPT request frame
2718 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
2719 *
2720 **/
2721static int
2722mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2723 MPT_FRAME_HDR *reply)
2724{
2725 SCSIIOReply_t *pReply;
2726 MpiRaidActionReply_t *pr;
2727 u8 scsi_status;
2728 u16 status;
2729 int completion_code;
2730
2731 pReply = (SCSIIOReply_t *)reply;
2732 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2733 scsi_status = pReply->SCSIStatus;
2734
2735 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2736 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2737 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2738 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2739
2740 switch (status) {
2741
2742 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2743 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2744 break;
2745
2746 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2747 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2748 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2749 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2750 completion_code = MPT_SCANDV_DID_RESET;
2751 break;
2752
2753 case MPI_IOCSTATUS_BUSY:
2754 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2755 completion_code = MPT_SCANDV_BUSY;
2756 break;
2757
2758 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2759 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2760 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2761 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2762 completion_code = MPT_SCANDV_GOOD;
2763 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2764 pr = (MpiRaidActionReply_t *)reply;
2765 if (le16_to_cpu(pr->ActionStatus) ==
2766 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2767 completion_code = MPT_SCANDV_GOOD;
2768 else
2769 completion_code = MPT_SCANDV_SOME_ERROR;
2770 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2771 completion_code = MPT_SCANDV_SENSE;
2772 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2773 if (req->u.scsireq.CDB[0] == INQUIRY)
2774 completion_code = MPT_SCANDV_ISSUE_SENSE;
2775 else
2776 completion_code = MPT_SCANDV_DID_RESET;
2777 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2778 completion_code = MPT_SCANDV_DID_RESET;
2779 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2780 completion_code = MPT_SCANDV_DID_RESET;
2781 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2782 completion_code = MPT_SCANDV_BUSY;
2783 else
2784 completion_code = MPT_SCANDV_GOOD;
2785 break;
2786
2787 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2788 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2789 completion_code = MPT_SCANDV_DID_RESET;
2790 else
2791 completion_code = MPT_SCANDV_SOME_ERROR;
2792 break;
2793 default:
2794 completion_code = MPT_SCANDV_SOME_ERROR;
2795 break;
2796
2797 } /* switch(status) */
2798
2799 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2800 " completionCode set to %08xh\n", ioc->name, completion_code));
2801 return completion_code;
2802}
2803
2804/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2805/**
2806 * mptscsih_do_cmd - Do internal command.
2807 * @hd: MPT_SCSI_HOST pointer
2808 * @io: INTERNAL_CMD pointer.
2809 *
2810 * Issue the specified internally generated command and do command
2811 * specific cleanup. For bus scan / DV only.
2812 * NOTES: If command is Inquiry and status is good,
2813 * initialize a target structure, save the data
2814 *
2815 * Remark: Single threaded access only.
2816 *
2817 * Return:
2818 * < 0 if an illegal command or no resources
2819 *
2820 * 0 if good
2821 *
2822 * > 0 if command complete but some type of completion error.
2823 */
2824static int
2825mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2826{
2827 MPT_FRAME_HDR *mf;
2828 SCSIIORequest_t *pScsiReq;
2829 int my_idx, ii, dir;
2830 int timeout;
2831 char cmdLen;
2832 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2833 u8 cmd = io->cmd;
2834 MPT_ADAPTER *ioc = hd->ioc;
2835 int ret = 0;
2836 unsigned long timeleft;
2837 unsigned long flags;
2838
2839 /* don't send internal command during diag reset */
2840 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2841 if (ioc->ioc_reset_in_progress) {
2842 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2843 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2844 "%s: busy with host reset\n", ioc->name, __func__));
2845 return MPT_SCANDV_BUSY;
2846 }
2847 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2848
2849 mutex_lock(&ioc->internal_cmds.mutex);
2850
2851 /* Set command specific information
2852 */
2853 switch (cmd) {
2854 case INQUIRY:
2855 cmdLen = 6;
2856 dir = MPI_SCSIIO_CONTROL_READ;
2857 CDB[0] = cmd;
2858 CDB[4] = io->size;
2859 timeout = 10;
2860 break;
2861
2862 case TEST_UNIT_READY:
2863 cmdLen = 6;
2864 dir = MPI_SCSIIO_CONTROL_READ;
2865 timeout = 10;
2866 break;
2867
2868 case START_STOP:
2869 cmdLen = 6;
2870 dir = MPI_SCSIIO_CONTROL_READ;
2871 CDB[0] = cmd;
2872 CDB[4] = 1; /*Spin up the disk */
2873 timeout = 15;
2874 break;
2875
2876 case REQUEST_SENSE:
2877 cmdLen = 6;
2878 CDB[0] = cmd;
2879 CDB[4] = io->size;
2880 dir = MPI_SCSIIO_CONTROL_READ;
2881 timeout = 10;
2882 break;
2883
2884 case READ_BUFFER:
2885 cmdLen = 10;
2886 dir = MPI_SCSIIO_CONTROL_READ;
2887 CDB[0] = cmd;
2888 if (io->flags & MPT_ICFLAG_ECHO) {
2889 CDB[1] = 0x0A;
2890 } else {
2891 CDB[1] = 0x02;
2892 }
2893
2894 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2895 CDB[1] |= 0x01;
2896 }
2897 CDB[6] = (io->size >> 16) & 0xFF;
2898 CDB[7] = (io->size >> 8) & 0xFF;
2899 CDB[8] = io->size & 0xFF;
2900 timeout = 10;
2901 break;
2902
2903 case WRITE_BUFFER:
2904 cmdLen = 10;
2905 dir = MPI_SCSIIO_CONTROL_WRITE;
2906 CDB[0] = cmd;
2907 if (io->flags & MPT_ICFLAG_ECHO) {
2908 CDB[1] = 0x0A;
2909 } else {
2910 CDB[1] = 0x02;
2911 }
2912 CDB[6] = (io->size >> 16) & 0xFF;
2913 CDB[7] = (io->size >> 8) & 0xFF;
2914 CDB[8] = io->size & 0xFF;
2915 timeout = 10;
2916 break;
2917
2918 case RESERVE:
2919 cmdLen = 6;
2920 dir = MPI_SCSIIO_CONTROL_READ;
2921 CDB[0] = cmd;
2922 timeout = 10;
2923 break;
2924
2925 case RELEASE:
2926 cmdLen = 6;
2927 dir = MPI_SCSIIO_CONTROL_READ;
2928 CDB[0] = cmd;
2929 timeout = 10;
2930 break;
2931
2932 case SYNCHRONIZE_CACHE:
2933 cmdLen = 10;
2934 dir = MPI_SCSIIO_CONTROL_READ;
2935 CDB[0] = cmd;
2936// CDB[1] = 0x02; /* set immediate bit */
2937 timeout = 10;
2938 break;
2939
2940 default:
2941 /* Error Case */
2942 ret = -EFAULT;
2943 goto out;
2944 }
2945
2946 /* Get and Populate a free Frame
2947 * MsgContext set in mpt_get_msg_frame call
2948 */
2949 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
2950 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2951 ioc->name, __func__));
2952 ret = MPT_SCANDV_BUSY;
2953 goto out;
2954 }
2955
2956 pScsiReq = (SCSIIORequest_t *) mf;
2957
2958 /* Get the request index */
2959 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2960 ADD_INDEX_LOG(my_idx); /* for debug */
2961
2962 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2963 pScsiReq->TargetID = io->physDiskNum;
2964 pScsiReq->Bus = 0;
2965 pScsiReq->ChainOffset = 0;
2966 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2967 } else {
2968 pScsiReq->TargetID = io->id;
2969 pScsiReq->Bus = io->channel;
2970 pScsiReq->ChainOffset = 0;
2971 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2972 }
2973
2974 pScsiReq->CDBLength = cmdLen;
2975 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2976
2977 pScsiReq->Reserved = 0;
2978
2979 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
2980 /* MsgContext set in mpt_get_msg_fram call */
2981
2982 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
2983
2984 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2985 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
2986 else
2987 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2988
2989 if (cmd == REQUEST_SENSE) {
2990 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2991 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2992 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
2993 }
2994
2995 for (ii = 0; ii < 16; ii++)
2996 pScsiReq->CDB[ii] = CDB[ii];
2997
2998 pScsiReq->DataLength = cpu_to_le32(io->size);
2999 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
3000 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
3001
3002 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3003 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n",
3004 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
3005
3006 if (dir == MPI_SCSIIO_CONTROL_READ)
3007 ioc->add_sge((char *) &pScsiReq->SGL,
3008 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
3009 else
3010 ioc->add_sge((char *) &pScsiReq->SGL,
3011 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
3012
3013 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
3014 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
3015 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
3016 timeout*HZ);
3017 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
3018 ret = MPT_SCANDV_DID_RESET;
3019 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3020 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
3021 cmd));
3022 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
3023 mpt_free_msg_frame(ioc, mf);
3024 goto out;
3025 }
3026 if (!timeleft) {
3027 printk(MYIOC_s_WARN_FMT
3028 "Issuing Reset from %s!! doorbell=0x%08xh"
3029 " cmd=0x%02x\n",
3030 ioc->name, __func__, mpt_GetIocState(ioc, 0),
3031 cmd);
3032 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
3033 mpt_free_msg_frame(ioc, mf);
3034 }
3035 goto out;
3036 }
3037
3038 ret = ioc->internal_cmds.completion_code;
3039 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
3040 ioc->name, __func__, ret));
3041
3042 out:
3043 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
3044 mutex_unlock(&ioc->internal_cmds.mutex);
3045 return ret;
3046}
3047
3048/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3049/**
3050 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3051 * @hd: Pointer to a SCSI HOST structure
3052 * @vdevice: virtual target device
3053 *
3054 * Uses the ISR, but with special processing.
3055 * MUST be single-threaded.
3056 *
3057 */
3058static void
3059mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3060{
3061 INTERNAL_CMD iocmd;
3062
3063 /* Ignore hidden raid components, this is handled when the command
3064 * is sent to the volume
3065 */
3066 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3067 return;
3068
3069 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3070 !vdevice->configured_lun)
3071 return;
3072
3073 /* Following parameters will not change
3074 * in this routine.
3075 */
3076 iocmd.cmd = SYNCHRONIZE_CACHE;
3077 iocmd.flags = 0;
3078 iocmd.physDiskNum = -1;
3079 iocmd.data = NULL;
3080 iocmd.data_dma = -1;
3081 iocmd.size = 0;
3082 iocmd.rsvd = iocmd.rsvd2 = 0;
3083 iocmd.channel = vdevice->vtarget->channel;
3084 iocmd.id = vdevice->vtarget->id;
3085 iocmd.lun = vdevice->lun;
3086
3087 mptscsih_do_cmd(hd, &iocmd);
3088}
3089
3090static ssize_t
3091mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3092 char *buf)
3093{
3094 struct Scsi_Host *host = class_to_shost(dev);
3095 MPT_SCSI_HOST *hd = shost_priv(host);
3096 MPT_ADAPTER *ioc = hd->ioc;
3097
3098 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3099 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3100 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3101 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3102 ioc->facts.FWVersion.Word & 0x000000FF);
3103}
3104static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3105
3106static ssize_t
3107mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3108 char *buf)
3109{
3110 struct Scsi_Host *host = class_to_shost(dev);
3111 MPT_SCSI_HOST *hd = shost_priv(host);
3112 MPT_ADAPTER *ioc = hd->ioc;
3113
3114 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3115 (ioc->biosVersion & 0xFF000000) >> 24,
3116 (ioc->biosVersion & 0x00FF0000) >> 16,
3117 (ioc->biosVersion & 0x0000FF00) >> 8,
3118 ioc->biosVersion & 0x000000FF);
3119}
3120static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3121
3122static ssize_t
3123mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3124 char *buf)
3125{
3126 struct Scsi_Host *host = class_to_shost(dev);
3127 MPT_SCSI_HOST *hd = shost_priv(host);
3128 MPT_ADAPTER *ioc = hd->ioc;
3129
3130 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3131}
3132static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3133
3134static ssize_t
3135mptscsih_version_product_show(struct device *dev,
3136 struct device_attribute *attr,
3137char *buf)
3138{
3139 struct Scsi_Host *host = class_to_shost(dev);
3140 MPT_SCSI_HOST *hd = shost_priv(host);
3141 MPT_ADAPTER *ioc = hd->ioc;
3142
3143 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3144}
3145static DEVICE_ATTR(version_product, S_IRUGO,
3146 mptscsih_version_product_show, NULL);
3147
3148static ssize_t
3149mptscsih_version_nvdata_persistent_show(struct device *dev,
3150 struct device_attribute *attr,
3151 char *buf)
3152{
3153 struct Scsi_Host *host = class_to_shost(dev);
3154 MPT_SCSI_HOST *hd = shost_priv(host);
3155 MPT_ADAPTER *ioc = hd->ioc;
3156
3157 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3158 ioc->nvdata_version_persistent);
3159}
3160static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3161 mptscsih_version_nvdata_persistent_show, NULL);
3162
3163static ssize_t
3164mptscsih_version_nvdata_default_show(struct device *dev,
3165 struct device_attribute *attr, char *buf)
3166{
3167 struct Scsi_Host *host = class_to_shost(dev);
3168 MPT_SCSI_HOST *hd = shost_priv(host);
3169 MPT_ADAPTER *ioc = hd->ioc;
3170
3171 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3172}
3173static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3174 mptscsih_version_nvdata_default_show, NULL);
3175
3176static ssize_t
3177mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3178 char *buf)
3179{
3180 struct Scsi_Host *host = class_to_shost(dev);
3181 MPT_SCSI_HOST *hd = shost_priv(host);
3182 MPT_ADAPTER *ioc = hd->ioc;
3183
3184 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3185}
3186static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3187
3188static ssize_t
3189mptscsih_board_assembly_show(struct device *dev,
3190 struct device_attribute *attr, char *buf)
3191{
3192 struct Scsi_Host *host = class_to_shost(dev);
3193 MPT_SCSI_HOST *hd = shost_priv(host);
3194 MPT_ADAPTER *ioc = hd->ioc;
3195
3196 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3197}
3198static DEVICE_ATTR(board_assembly, S_IRUGO,
3199 mptscsih_board_assembly_show, NULL);
3200
3201static ssize_t
3202mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3203 char *buf)
3204{
3205 struct Scsi_Host *host = class_to_shost(dev);
3206 MPT_SCSI_HOST *hd = shost_priv(host);
3207 MPT_ADAPTER *ioc = hd->ioc;
3208
3209 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3210}
3211static DEVICE_ATTR(board_tracer, S_IRUGO,
3212 mptscsih_board_tracer_show, NULL);
3213
3214static ssize_t
3215mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3216 char *buf)
3217{
3218 struct Scsi_Host *host = class_to_shost(dev);
3219 MPT_SCSI_HOST *hd = shost_priv(host);
3220 MPT_ADAPTER *ioc = hd->ioc;
3221
3222 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3223}
3224static DEVICE_ATTR(io_delay, S_IRUGO,
3225 mptscsih_io_delay_show, NULL);
3226
3227static ssize_t
3228mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3229 char *buf)
3230{
3231 struct Scsi_Host *host = class_to_shost(dev);
3232 MPT_SCSI_HOST *hd = shost_priv(host);
3233 MPT_ADAPTER *ioc = hd->ioc;
3234
3235 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3236}
3237static DEVICE_ATTR(device_delay, S_IRUGO,
3238 mptscsih_device_delay_show, NULL);
3239
3240static ssize_t
3241mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3242 char *buf)
3243{
3244 struct Scsi_Host *host = class_to_shost(dev);
3245 MPT_SCSI_HOST *hd = shost_priv(host);
3246 MPT_ADAPTER *ioc = hd->ioc;
3247
3248 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3249}
3250static ssize_t
3251mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3252 const char *buf, size_t count)
3253{
3254 struct Scsi_Host *host = class_to_shost(dev);
3255 MPT_SCSI_HOST *hd = shost_priv(host);
3256 MPT_ADAPTER *ioc = hd->ioc;
3257 int val = 0;
3258
3259 if (sscanf(buf, "%x", &val) != 1)
3260 return -EINVAL;
3261
3262 ioc->debug_level = val;
3263 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3264 ioc->name, ioc->debug_level);
3265 return strlen(buf);
3266}
3267static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3268 mptscsih_debug_level_show, mptscsih_debug_level_store);
3269
3270static struct attribute *mptscsih_host_attrs[] = {
3271 &dev_attr_version_fw.attr,
3272 &dev_attr_version_bios.attr,
3273 &dev_attr_version_mpi.attr,
3274 &dev_attr_version_product.attr,
3275 &dev_attr_version_nvdata_persistent.attr,
3276 &dev_attr_version_nvdata_default.attr,
3277 &dev_attr_board_name.attr,
3278 &dev_attr_board_assembly.attr,
3279 &dev_attr_board_tracer.attr,
3280 &dev_attr_io_delay.attr,
3281 &dev_attr_device_delay.attr,
3282 &dev_attr_debug_level.attr,
3283 NULL,
3284};
3285
3286static const struct attribute_group mptscsih_host_attr_group = {
3287 .attrs = mptscsih_host_attrs
3288};
3289
3290const struct attribute_group *mptscsih_host_attr_groups[] = {
3291 &mptscsih_host_attr_group,
3292 NULL
3293};
3294EXPORT_SYMBOL(mptscsih_host_attr_groups);
3295
3296EXPORT_SYMBOL(mptscsih_remove);
3297EXPORT_SYMBOL(mptscsih_shutdown);
3298#ifdef CONFIG_PM
3299EXPORT_SYMBOL(mptscsih_suspend);
3300EXPORT_SYMBOL(mptscsih_resume);
3301#endif
3302EXPORT_SYMBOL(mptscsih_show_info);
3303EXPORT_SYMBOL(mptscsih_info);
3304EXPORT_SYMBOL(mptscsih_qcmd);
3305EXPORT_SYMBOL(mptscsih_slave_destroy);
3306EXPORT_SYMBOL(mptscsih_slave_configure);
3307EXPORT_SYMBOL(mptscsih_abort);
3308EXPORT_SYMBOL(mptscsih_dev_reset);
3309EXPORT_SYMBOL(mptscsih_target_reset);
3310EXPORT_SYMBOL(mptscsih_bus_reset);
3311EXPORT_SYMBOL(mptscsih_host_reset);
3312EXPORT_SYMBOL(mptscsih_bios_param);
3313EXPORT_SYMBOL(mptscsih_io_done);
3314EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3315EXPORT_SYMBOL(mptscsih_scandv_complete);
3316EXPORT_SYMBOL(mptscsih_event_process);
3317EXPORT_SYMBOL(mptscsih_ioc_reset);
3318EXPORT_SYMBOL(mptscsih_change_queue_depth);
3319
3320/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/