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 | |
75 | MODULE_AUTHOR(MODULEAUTHOR); |
76 | MODULE_DESCRIPTION(my_NAME); |
77 | MODULE_LICENSE("GPL" ); |
78 | MODULE_VERSION(my_VERSION); |
79 | |
80 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
81 | /* |
82 | * Other private/forward protos... |
83 | */ |
84 | struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i); |
85 | static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i); |
86 | static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd); |
87 | static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd); |
88 | int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); |
89 | static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq); |
90 | int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); |
91 | |
92 | static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt, |
93 | SCSIIORequest_t *pReq, int req_idx); |
94 | static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx); |
95 | static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply); |
96 | |
97 | int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, |
98 | u64 lun, int ctx2abort, ulong timeout); |
99 | |
100 | int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset); |
101 | int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply); |
102 | |
103 | void |
104 | mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code); |
105 | static int mptscsih_get_completion_code(MPT_ADAPTER *ioc, |
106 | MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply); |
107 | int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); |
108 | static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd); |
109 | static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice); |
110 | |
111 | static int |
112 | mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type, |
113 | SCSITaskMgmtReply_t *pScsiTmReply); |
114 | void mptscsih_remove(struct pci_dev *); |
115 | void mptscsih_shutdown(struct pci_dev *); |
116 | #ifdef CONFIG_PM |
117 | int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state); |
118 | int 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 | */ |
131 | static inline int |
132 | mptscsih_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(head: &ioc->FreeChainQ)) { |
143 | int offset; |
144 | |
145 | chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR, |
146 | u.frame.linkage.list); |
147 | list_del(entry: &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(lock: &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 | */ |
176 | static int |
177 | mptscsih_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(cmd: SCpnt); |
209 | if (sges_left < 0) |
210 | return FAILED; |
211 | |
212 | /* Handle the SG case. |
213 | */ |
214 | sg = scsi_sglist(cmd: 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 | |
225 | nextSGEset: |
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, retIndex: &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 | |
389 | static void |
390 | mptscsih_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(cb_idx: 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(cb_idx: 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 | **/ |
433 | static void |
434 | mptscsih_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 | */ |
585 | int |
586 | mptscsih_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(shost: 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, i: 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(cmd: sc, resid: scsi_bufflen(cmd: 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(cmd: sc, resid: scsi_bufflen(cmd: 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(cmd: 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(cmd: sc, resid: 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(cmd: 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(cmd: 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 */ |
1008 | out: |
1009 | /* Unmap the DMA buffers, if any. */ |
1010 | scsi_dma_unmap(cmd: sc); |
1011 | |
1012 | scsi_done(cmd: 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 | */ |
1029 | void |
1030 | mptscsih_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, i: 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, req_idx: ii); |
1048 | mpt_free_msg_frame(ioc, mf: (MPT_FRAME_HDR *)mf); |
1049 | if ((unsigned char *)mf != sc->host_scribble) |
1050 | continue; |
1051 | scsi_dma_unmap(cmd: 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(cmd: sc); |
1058 | } |
1059 | } |
1060 | EXPORT_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 | */ |
1076 | static void |
1077 | mptscsih_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(p: lun.scsi_lun, q: mf->LUN, size: 8)) |
1105 | continue; |
1106 | |
1107 | if ((unsigned char *)mf != sc->host_scribble) |
1108 | continue; |
1109 | ioc->ScsiLookup[ii] = NULL; |
1110 | spin_unlock_irqrestore(lock: &ioc->scsi_lookup_lock, flags); |
1111 | mptscsih_freeChainBuffers(ioc, req_idx: ii); |
1112 | mpt_free_msg_frame(ioc, mf: (MPT_FRAME_HDR *)mf); |
1113 | scsi_dma_unmap(cmd: 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(cmd: sc); |
1122 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
1123 | } |
1124 | } |
1125 | spin_unlock_irqrestore(lock: &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 | */ |
1143 | static void |
1144 | mptscsih_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(shost: 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 | */ |
1171 | void |
1172 | mptscsih_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(shost: 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(objp: 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(objp: hd->info_kbuf); |
1200 | |
1201 | /* NULL the Scsi_Host pointer |
1202 | */ |
1203 | ioc->sh = NULL; |
1204 | |
1205 | if (host) |
1206 | scsi_host_put(t: host); |
1207 | mpt_detach(pdev); |
1208 | |
1209 | } |
1210 | |
1211 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
1212 | /* |
1213 | * mptscsih_shutdown - reboot notifier |
1214 | * |
1215 | */ |
1216 | void |
1217 | mptscsih_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 | */ |
1228 | int |
1229 | mptscsih_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 | */ |
1244 | int |
1245 | mptscsih_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 | */ |
1266 | const char * |
1267 | mptscsih_info(struct Scsi_Host *SChost) |
1268 | { |
1269 | MPT_SCSI_HOST *h; |
1270 | int size = 0; |
1271 | |
1272 | h = shost_priv(shost: SChost); |
1273 | |
1274 | if (h->info_kbuf == NULL) |
1275 | if ((h->info_kbuf = kmalloc(size: 0x1000 /* 4Kb */, GFP_KERNEL)) == NULL) |
1276 | return h->info_kbuf; |
1277 | h->info_kbuf[0] = '\0'; |
1278 | |
1279 | mpt_print_ioc_summary(ioc: h->ioc, buf: h->info_kbuf, size: &size, len: 0, showlan: 0); |
1280 | h->info_kbuf[size-1] = '\0'; |
1281 | |
1282 | return h->info_kbuf; |
1283 | } |
1284 | |
1285 | int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host) |
1286 | { |
1287 | MPT_SCSI_HOST *hd = shost_priv(shost: host); |
1288 | MPT_ADAPTER *ioc = hd->ioc; |
1289 | |
1290 | seq_printf(m, fmt: "%s: %s, " , ioc->name, ioc->prod_name); |
1291 | seq_printf(m, fmt: "%s%08xh, " , MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word); |
1292 | seq_printf(m, fmt: "Ports=%d, " , ioc->facts.NumberOfPorts); |
1293 | seq_printf(m, fmt: "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 | */ |
1312 | int |
1313 | mptscsih_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(shost: 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(cb_idx: 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(cmd: 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(cmd: 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, pReq: pScsiReq, req_idx: my_idx) != SUCCESS) |
1420 | goto fail; |
1421 | } |
1422 | |
1423 | SCpnt->host_scribble = (unsigned char *)mf; |
1424 | mptscsih_set_scsi_lookup(ioc, i: my_idx, scmd: SCpnt); |
1425 | |
1426 | mpt_put_msg_frame(cb_idx: 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, req_idx: 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 | */ |
1448 | static void |
1449 | mptscsih_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(new: &chain->u.frame.linkage.list, head: &ioc->FreeChainQ); |
1477 | spin_unlock_irqrestore(lock: &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 | **/ |
1512 | int |
1513 | mptscsih_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, cooked: 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(cb_idx: 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(cb_idx: ioc->TaskCtx, ioc, mf); |
1605 | else { |
1606 | retval = mpt_send_handshake_request(cb_idx: ioc->TaskCtx, ioc, |
1607 | reqBytes: sizeof(SCSITaskMgmt_t), req: (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(x: &ioc->taskmgmt_cmds.done, |
1619 | timeout: 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 | pScsiTmReply: (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(lock: &ioc->taskmgmt_cmds.mutex); |
1653 | return retval; |
1654 | } |
1655 | EXPORT_SYMBOL(mptscsih_IssueTaskMgmt); |
1656 | |
1657 | static int |
1658 | mptscsih_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 | **/ |
1680 | int |
1681 | mptscsih_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(shost: SCpnt->device->host)) == NULL) { |
1694 | SCpnt->result = DID_RESET << 16; |
1695 | scsi_done(cmd: 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(cmd: 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, scmd: 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, scmd: 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 | **/ |
1803 | int |
1804 | mptscsih_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(shost: 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 | **/ |
1855 | int |
1856 | mptscsih_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(shost: 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 | **/ |
1915 | int |
1916 | mptscsih_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(shost: 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 | */ |
1965 | int |
1966 | mptscsih_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(shost: 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 | |
2002 | static int |
2003 | mptscsih_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 | response_code: 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 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
2054 | void |
2055 | mptscsih_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 | } |
2088 | EXPORT_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 | **/ |
2104 | int |
2105 | mptscsih_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 | */ |
2135 | int |
2136 | mptscsih_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 | */ |
2174 | int |
2175 | mptscsih_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 | phys_disk_num: 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 | phys_disk_num: ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum, |
2210 | phys_disk))) { |
2211 | kfree(objp: 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(objp: phys_disk); |
2225 | goto out; |
2226 | } |
2227 | } |
2228 | kfree(objp: phys_disk); |
2229 | } |
2230 | |
2231 | |
2232 | /* |
2233 | * Check inactive list for matching phys disks |
2234 | */ |
2235 | if (list_empty(head: &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(lock: &ioc->raid_data.inactive_list_mutex); |
2246 | |
2247 | out: |
2248 | return rc; |
2249 | } |
2250 | EXPORT_SYMBOL(mptscsih_is_phys_disk); |
2251 | |
2252 | u8 |
2253 | mptscsih_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 | phys_disk_num: 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 | phys_disk_num: ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum, |
2288 | phys_disk))) { |
2289 | kfree(objp: 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(objp: phys_disk); |
2303 | goto out; |
2304 | } |
2305 | } |
2306 | kfree(objp: phys_disk); |
2307 | } |
2308 | |
2309 | /* |
2310 | * Check inactive list for matching phys disks |
2311 | */ |
2312 | if (list_empty(head: &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(lock: &ioc->raid_data.inactive_list_mutex); |
2323 | |
2324 | out: |
2325 | return rc; |
2326 | } |
2327 | EXPORT_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 | */ |
2333 | void |
2334 | mptscsih_slave_destroy(struct scsi_device *sdev) |
2335 | { |
2336 | struct Scsi_Host *host = sdev->host; |
2337 | MPT_SCSI_HOST *hd = shost_priv(shost: 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(objp: 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 | */ |
2363 | int |
2364 | mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth) |
2365 | { |
2366 | MPT_SCSI_HOST *hd = shost_priv(shost: 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 | */ |
2401 | int |
2402 | mptscsih_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(shost: 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 | blk_queue_dma_alignment (sdev->request_queue, 512 - 1); |
2442 | |
2443 | return 0; |
2444 | } |
2445 | |
2446 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
2447 | /* |
2448 | * Private routines... |
2449 | */ |
2450 | |
2451 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
2452 | /* Utility function to copy sense data from the scsi_cmnd buffer |
2453 | * to the FC and SCSI target structures. |
2454 | * |
2455 | */ |
2456 | static void |
2457 | mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply) |
2458 | { |
2459 | VirtDevice *vdevice; |
2460 | SCSIIORequest_t *pReq; |
2461 | u32 sense_count = le32_to_cpu(pScsiReply->SenseCount); |
2462 | MPT_ADAPTER *ioc = hd->ioc; |
2463 | |
2464 | /* Get target structure |
2465 | */ |
2466 | pReq = (SCSIIORequest_t *) mf; |
2467 | vdevice = sc->device->hostdata; |
2468 | |
2469 | if (sense_count) { |
2470 | u8 *sense_data; |
2471 | int req_index; |
2472 | |
2473 | /* Copy the sense received into the scsi command block. */ |
2474 | req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); |
2475 | sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC)); |
2476 | memcpy(sc->sense_buffer, sense_data, MPT_SENSE_BUFFER_ALLOC); |
2477 | |
2478 | /* Log SMART data (asc = 0x5D, non-IM case only) if required. |
2479 | */ |
2480 | if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) { |
2481 | if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) { |
2482 | int idx; |
2483 | |
2484 | idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE; |
2485 | ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE; |
2486 | ioc->events[idx].eventContext = ioc->eventContext; |
2487 | |
2488 | ioc->events[idx].data[0] = (pReq->LUN[1] << 24) | |
2489 | (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) | |
2490 | (sc->device->channel << 8) | sc->device->id; |
2491 | |
2492 | ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12]; |
2493 | |
2494 | ioc->eventContext++; |
2495 | if (ioc->pcidev->vendor == |
2496 | PCI_VENDOR_ID_IBM) { |
2497 | mptscsih_issue_sep_command(ioc, |
2498 | vtarget: vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); |
2499 | vdevice->vtarget->tflags |= |
2500 | MPT_TARGET_FLAGS_LED_ON; |
2501 | } |
2502 | } |
2503 | } |
2504 | } else { |
2505 | dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n" , |
2506 | ioc->name)); |
2507 | } |
2508 | } |
2509 | |
2510 | /** |
2511 | * mptscsih_get_scsi_lookup - retrieves scmd entry |
2512 | * @ioc: Pointer to MPT_ADAPTER structure |
2513 | * @i: index into the array |
2514 | * |
2515 | * Returns the scsi_cmd pointer |
2516 | */ |
2517 | struct scsi_cmnd * |
2518 | mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i) |
2519 | { |
2520 | unsigned long flags; |
2521 | struct scsi_cmnd *scmd; |
2522 | |
2523 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
2524 | scmd = ioc->ScsiLookup[i]; |
2525 | spin_unlock_irqrestore(lock: &ioc->scsi_lookup_lock, flags); |
2526 | |
2527 | return scmd; |
2528 | } |
2529 | EXPORT_SYMBOL(mptscsih_get_scsi_lookup); |
2530 | |
2531 | /** |
2532 | * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list |
2533 | * @ioc: Pointer to MPT_ADAPTER structure |
2534 | * @i: index into the array |
2535 | * |
2536 | * Returns the scsi_cmd pointer |
2537 | * |
2538 | **/ |
2539 | static struct scsi_cmnd * |
2540 | mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i) |
2541 | { |
2542 | unsigned long flags; |
2543 | struct scsi_cmnd *scmd; |
2544 | |
2545 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
2546 | scmd = ioc->ScsiLookup[i]; |
2547 | ioc->ScsiLookup[i] = NULL; |
2548 | spin_unlock_irqrestore(lock: &ioc->scsi_lookup_lock, flags); |
2549 | |
2550 | return scmd; |
2551 | } |
2552 | |
2553 | /** |
2554 | * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list |
2555 | * |
2556 | * @ioc: Pointer to MPT_ADAPTER structure |
2557 | * @i: index into the array |
2558 | * @scmd: scsi_cmnd pointer |
2559 | * |
2560 | **/ |
2561 | static void |
2562 | mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd) |
2563 | { |
2564 | unsigned long flags; |
2565 | |
2566 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
2567 | ioc->ScsiLookup[i] = scmd; |
2568 | spin_unlock_irqrestore(lock: &ioc->scsi_lookup_lock, flags); |
2569 | } |
2570 | |
2571 | /** |
2572 | * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list |
2573 | * @ioc: Pointer to MPT_ADAPTER structure |
2574 | * @sc: scsi_cmnd pointer |
2575 | */ |
2576 | static int |
2577 | SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc) |
2578 | { |
2579 | unsigned long flags; |
2580 | int i, index=-1; |
2581 | |
2582 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
2583 | for (i = 0; i < ioc->req_depth; i++) { |
2584 | if (ioc->ScsiLookup[i] == sc) { |
2585 | index = i; |
2586 | goto out; |
2587 | } |
2588 | } |
2589 | |
2590 | out: |
2591 | spin_unlock_irqrestore(lock: &ioc->scsi_lookup_lock, flags); |
2592 | return index; |
2593 | } |
2594 | |
2595 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
2596 | int |
2597 | mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) |
2598 | { |
2599 | MPT_SCSI_HOST *hd; |
2600 | |
2601 | if (ioc->sh == NULL || shost_priv(shost: ioc->sh) == NULL) |
2602 | return 0; |
2603 | |
2604 | hd = shost_priv(shost: ioc->sh); |
2605 | switch (reset_phase) { |
2606 | case MPT_IOC_SETUP_RESET: |
2607 | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
2608 | "%s: MPT_IOC_SETUP_RESET\n" , ioc->name, __func__)); |
2609 | break; |
2610 | case MPT_IOC_PRE_RESET: |
2611 | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
2612 | "%s: MPT_IOC_PRE_RESET\n" , ioc->name, __func__)); |
2613 | mptscsih_flush_running_cmds(hd); |
2614 | break; |
2615 | case MPT_IOC_POST_RESET: |
2616 | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
2617 | "%s: MPT_IOC_POST_RESET\n" , ioc->name, __func__)); |
2618 | if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) { |
2619 | ioc->internal_cmds.status |= |
2620 | MPT_MGMT_STATUS_DID_IOCRESET; |
2621 | complete(&ioc->internal_cmds.done); |
2622 | } |
2623 | break; |
2624 | default: |
2625 | break; |
2626 | } |
2627 | return 1; /* currently means nothing really */ |
2628 | } |
2629 | |
2630 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
2631 | int |
2632 | mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) |
2633 | { |
2634 | u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; |
2635 | |
2636 | devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
2637 | "MPT event (=%02Xh) routed to SCSI host driver!\n" , |
2638 | ioc->name, event)); |
2639 | |
2640 | if ((event == MPI_EVENT_IOC_BUS_RESET || |
2641 | event == MPI_EVENT_EXT_BUS_RESET) && |
2642 | (ioc->bus_type == SPI) && (ioc->soft_resets < -1)) |
2643 | ioc->soft_resets++; |
2644 | |
2645 | return 1; /* currently means nothing really */ |
2646 | } |
2647 | |
2648 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
2649 | /* |
2650 | * Bus Scan and Domain Validation functionality ... |
2651 | */ |
2652 | |
2653 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
2654 | /* |
2655 | * mptscsih_scandv_complete - Scan and DV callback routine registered |
2656 | * to Fustion MPT (base) driver. |
2657 | * |
2658 | * @ioc: Pointer to MPT_ADAPTER structure |
2659 | * @mf: Pointer to original MPT request frame |
2660 | * @mr: Pointer to MPT reply frame (NULL if TurboReply) |
2661 | * |
2662 | * This routine is called from mpt.c::mpt_interrupt() at the completion |
2663 | * of any SCSI IO request. |
2664 | * This routine is registered with the Fusion MPT (base) driver at driver |
2665 | * load/init time via the mpt_register() API call. |
2666 | * |
2667 | * Returns 1 indicating alloc'd request frame ptr should be freed. |
2668 | * |
2669 | * Remark: Sets a completion code and (possibly) saves sense data |
2670 | * in the IOC member localReply structure. |
2671 | * Used ONLY for DV and other internal commands. |
2672 | */ |
2673 | int |
2674 | mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, |
2675 | MPT_FRAME_HDR *reply) |
2676 | { |
2677 | SCSIIORequest_t *pReq; |
2678 | SCSIIOReply_t *pReply; |
2679 | u8 cmd; |
2680 | u16 req_idx; |
2681 | u8 *sense_data; |
2682 | int sz; |
2683 | |
2684 | ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; |
2685 | ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD; |
2686 | if (!reply) |
2687 | goto out; |
2688 | |
2689 | pReply = (SCSIIOReply_t *) reply; |
2690 | pReq = (SCSIIORequest_t *) req; |
2691 | ioc->internal_cmds.completion_code = |
2692 | mptscsih_get_completion_code(ioc, req, reply); |
2693 | ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID; |
2694 | memcpy(ioc->internal_cmds.reply, reply, |
2695 | min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength)); |
2696 | cmd = reply->u.hdr.Function; |
2697 | if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) || |
2698 | (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) && |
2699 | (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) { |
2700 | req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx); |
2701 | sense_data = ((u8 *)ioc->sense_buf_pool + |
2702 | (req_idx * MPT_SENSE_BUFFER_ALLOC)); |
2703 | sz = min_t(int, pReq->SenseBufferLength, |
2704 | MPT_SENSE_BUFFER_ALLOC); |
2705 | memcpy(ioc->internal_cmds.sense, sense_data, sz); |
2706 | } |
2707 | out: |
2708 | if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING)) |
2709 | return 0; |
2710 | ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING; |
2711 | complete(&ioc->internal_cmds.done); |
2712 | return 1; |
2713 | } |
2714 | |
2715 | |
2716 | /** |
2717 | * mptscsih_get_completion_code - get completion code from MPT request |
2718 | * @ioc: Pointer to MPT_ADAPTER structure |
2719 | * @req: Pointer to original MPT request frame |
2720 | * @reply: Pointer to MPT reply frame (NULL if TurboReply) |
2721 | * |
2722 | **/ |
2723 | static int |
2724 | mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, |
2725 | MPT_FRAME_HDR *reply) |
2726 | { |
2727 | SCSIIOReply_t *pReply; |
2728 | MpiRaidActionReply_t *pr; |
2729 | u8 scsi_status; |
2730 | u16 status; |
2731 | int completion_code; |
2732 | |
2733 | pReply = (SCSIIOReply_t *)reply; |
2734 | status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK; |
2735 | scsi_status = pReply->SCSIStatus; |
2736 | |
2737 | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
2738 | "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh," |
2739 | "IOCLogInfo=%08xh\n" , ioc->name, status, pReply->SCSIState, |
2740 | scsi_status, le32_to_cpu(pReply->IOCLogInfo))); |
2741 | |
2742 | switch (status) { |
2743 | |
2744 | case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ |
2745 | completion_code = MPT_SCANDV_SELECTION_TIMEOUT; |
2746 | break; |
2747 | |
2748 | case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ |
2749 | case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ |
2750 | case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ |
2751 | case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ |
2752 | completion_code = MPT_SCANDV_DID_RESET; |
2753 | break; |
2754 | |
2755 | case MPI_IOCSTATUS_BUSY: |
2756 | case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: |
2757 | completion_code = MPT_SCANDV_BUSY; |
2758 | break; |
2759 | |
2760 | case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ |
2761 | case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ |
2762 | case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ |
2763 | if (pReply->Function == MPI_FUNCTION_CONFIG) { |
2764 | completion_code = MPT_SCANDV_GOOD; |
2765 | } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) { |
2766 | pr = (MpiRaidActionReply_t *)reply; |
2767 | if (le16_to_cpu(pr->ActionStatus) == |
2768 | MPI_RAID_ACTION_ASTATUS_SUCCESS) |
2769 | completion_code = MPT_SCANDV_GOOD; |
2770 | else |
2771 | completion_code = MPT_SCANDV_SOME_ERROR; |
2772 | } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) |
2773 | completion_code = MPT_SCANDV_SENSE; |
2774 | else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) { |
2775 | if (req->u.scsireq.CDB[0] == INQUIRY) |
2776 | completion_code = MPT_SCANDV_ISSUE_SENSE; |
2777 | else |
2778 | completion_code = MPT_SCANDV_DID_RESET; |
2779 | } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS) |
2780 | completion_code = MPT_SCANDV_DID_RESET; |
2781 | else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) |
2782 | completion_code = MPT_SCANDV_DID_RESET; |
2783 | else if (scsi_status == MPI_SCSI_STATUS_BUSY) |
2784 | completion_code = MPT_SCANDV_BUSY; |
2785 | else |
2786 | completion_code = MPT_SCANDV_GOOD; |
2787 | break; |
2788 | |
2789 | case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ |
2790 | if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) |
2791 | completion_code = MPT_SCANDV_DID_RESET; |
2792 | else |
2793 | completion_code = MPT_SCANDV_SOME_ERROR; |
2794 | break; |
2795 | default: |
2796 | completion_code = MPT_SCANDV_SOME_ERROR; |
2797 | break; |
2798 | |
2799 | } /* switch(status) */ |
2800 | |
2801 | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
2802 | " completionCode set to %08xh\n" , ioc->name, completion_code)); |
2803 | return completion_code; |
2804 | } |
2805 | |
2806 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
2807 | /** |
2808 | * mptscsih_do_cmd - Do internal command. |
2809 | * @hd: MPT_SCSI_HOST pointer |
2810 | * @io: INTERNAL_CMD pointer. |
2811 | * |
2812 | * Issue the specified internally generated command and do command |
2813 | * specific cleanup. For bus scan / DV only. |
2814 | * NOTES: If command is Inquiry and status is good, |
2815 | * initialize a target structure, save the data |
2816 | * |
2817 | * Remark: Single threaded access only. |
2818 | * |
2819 | * Return: |
2820 | * < 0 if an illegal command or no resources |
2821 | * |
2822 | * 0 if good |
2823 | * |
2824 | * > 0 if command complete but some type of completion error. |
2825 | */ |
2826 | static int |
2827 | mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io) |
2828 | { |
2829 | MPT_FRAME_HDR *mf; |
2830 | SCSIIORequest_t *pScsiReq; |
2831 | int my_idx, ii, dir; |
2832 | int timeout; |
2833 | char cmdLen; |
2834 | char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; |
2835 | u8 cmd = io->cmd; |
2836 | MPT_ADAPTER *ioc = hd->ioc; |
2837 | int ret = 0; |
2838 | unsigned long timeleft; |
2839 | unsigned long flags; |
2840 | |
2841 | /* don't send internal command during diag reset */ |
2842 | spin_lock_irqsave(&ioc->taskmgmt_lock, flags); |
2843 | if (ioc->ioc_reset_in_progress) { |
2844 | spin_unlock_irqrestore(lock: &ioc->taskmgmt_lock, flags); |
2845 | dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
2846 | "%s: busy with host reset\n" , ioc->name, __func__)); |
2847 | return MPT_SCANDV_BUSY; |
2848 | } |
2849 | spin_unlock_irqrestore(lock: &ioc->taskmgmt_lock, flags); |
2850 | |
2851 | mutex_lock(&ioc->internal_cmds.mutex); |
2852 | |
2853 | /* Set command specific information |
2854 | */ |
2855 | switch (cmd) { |
2856 | case INQUIRY: |
2857 | cmdLen = 6; |
2858 | dir = MPI_SCSIIO_CONTROL_READ; |
2859 | CDB[0] = cmd; |
2860 | CDB[4] = io->size; |
2861 | timeout = 10; |
2862 | break; |
2863 | |
2864 | case TEST_UNIT_READY: |
2865 | cmdLen = 6; |
2866 | dir = MPI_SCSIIO_CONTROL_READ; |
2867 | timeout = 10; |
2868 | break; |
2869 | |
2870 | case START_STOP: |
2871 | cmdLen = 6; |
2872 | dir = MPI_SCSIIO_CONTROL_READ; |
2873 | CDB[0] = cmd; |
2874 | CDB[4] = 1; /*Spin up the disk */ |
2875 | timeout = 15; |
2876 | break; |
2877 | |
2878 | case REQUEST_SENSE: |
2879 | cmdLen = 6; |
2880 | CDB[0] = cmd; |
2881 | CDB[4] = io->size; |
2882 | dir = MPI_SCSIIO_CONTROL_READ; |
2883 | timeout = 10; |
2884 | break; |
2885 | |
2886 | case READ_BUFFER: |
2887 | cmdLen = 10; |
2888 | dir = MPI_SCSIIO_CONTROL_READ; |
2889 | CDB[0] = cmd; |
2890 | if (io->flags & MPT_ICFLAG_ECHO) { |
2891 | CDB[1] = 0x0A; |
2892 | } else { |
2893 | CDB[1] = 0x02; |
2894 | } |
2895 | |
2896 | if (io->flags & MPT_ICFLAG_BUF_CAP) { |
2897 | CDB[1] |= 0x01; |
2898 | } |
2899 | CDB[6] = (io->size >> 16) & 0xFF; |
2900 | CDB[7] = (io->size >> 8) & 0xFF; |
2901 | CDB[8] = io->size & 0xFF; |
2902 | timeout = 10; |
2903 | break; |
2904 | |
2905 | case WRITE_BUFFER: |
2906 | cmdLen = 10; |
2907 | dir = MPI_SCSIIO_CONTROL_WRITE; |
2908 | CDB[0] = cmd; |
2909 | if (io->flags & MPT_ICFLAG_ECHO) { |
2910 | CDB[1] = 0x0A; |
2911 | } else { |
2912 | CDB[1] = 0x02; |
2913 | } |
2914 | CDB[6] = (io->size >> 16) & 0xFF; |
2915 | CDB[7] = (io->size >> 8) & 0xFF; |
2916 | CDB[8] = io->size & 0xFF; |
2917 | timeout = 10; |
2918 | break; |
2919 | |
2920 | case RESERVE: |
2921 | cmdLen = 6; |
2922 | dir = MPI_SCSIIO_CONTROL_READ; |
2923 | CDB[0] = cmd; |
2924 | timeout = 10; |
2925 | break; |
2926 | |
2927 | case RELEASE: |
2928 | cmdLen = 6; |
2929 | dir = MPI_SCSIIO_CONTROL_READ; |
2930 | CDB[0] = cmd; |
2931 | timeout = 10; |
2932 | break; |
2933 | |
2934 | case SYNCHRONIZE_CACHE: |
2935 | cmdLen = 10; |
2936 | dir = MPI_SCSIIO_CONTROL_READ; |
2937 | CDB[0] = cmd; |
2938 | // CDB[1] = 0x02; /* set immediate bit */ |
2939 | timeout = 10; |
2940 | break; |
2941 | |
2942 | default: |
2943 | /* Error Case */ |
2944 | ret = -EFAULT; |
2945 | goto out; |
2946 | } |
2947 | |
2948 | /* Get and Populate a free Frame |
2949 | * MsgContext set in mpt_get_msg_frame call |
2950 | */ |
2951 | if ((mf = mpt_get_msg_frame(cb_idx: ioc->InternalCtx, ioc)) == NULL) { |
2952 | dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n" , |
2953 | ioc->name, __func__)); |
2954 | ret = MPT_SCANDV_BUSY; |
2955 | goto out; |
2956 | } |
2957 | |
2958 | pScsiReq = (SCSIIORequest_t *) mf; |
2959 | |
2960 | /* Get the request index */ |
2961 | my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); |
2962 | ADD_INDEX_LOG(my_idx); /* for debug */ |
2963 | |
2964 | if (io->flags & MPT_ICFLAG_PHYS_DISK) { |
2965 | pScsiReq->TargetID = io->physDiskNum; |
2966 | pScsiReq->Bus = 0; |
2967 | pScsiReq->ChainOffset = 0; |
2968 | pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; |
2969 | } else { |
2970 | pScsiReq->TargetID = io->id; |
2971 | pScsiReq->Bus = io->channel; |
2972 | pScsiReq->ChainOffset = 0; |
2973 | pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; |
2974 | } |
2975 | |
2976 | pScsiReq->CDBLength = cmdLen; |
2977 | pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; |
2978 | |
2979 | pScsiReq->Reserved = 0; |
2980 | |
2981 | pScsiReq->MsgFlags = mpt_msg_flags(ioc); |
2982 | /* MsgContext set in mpt_get_msg_fram call */ |
2983 | |
2984 | int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN); |
2985 | |
2986 | if (io->flags & MPT_ICFLAG_TAGGED_CMD) |
2987 | pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ); |
2988 | else |
2989 | pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); |
2990 | |
2991 | if (cmd == REQUEST_SENSE) { |
2992 | pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); |
2993 | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
2994 | "%s: Untagged! 0x%02x\n" , ioc->name, __func__, cmd)); |
2995 | } |
2996 | |
2997 | for (ii = 0; ii < 16; ii++) |
2998 | pScsiReq->CDB[ii] = CDB[ii]; |
2999 | |
3000 | pScsiReq->DataLength = cpu_to_le32(io->size); |
3001 | pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma |
3002 | + (my_idx * MPT_SENSE_BUFFER_ALLOC)); |
3003 | |
3004 | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
3005 | "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n" , |
3006 | ioc->name, __func__, cmd, io->channel, io->id, io->lun)); |
3007 | |
3008 | if (dir == MPI_SCSIIO_CONTROL_READ) |
3009 | ioc->add_sge((char *) &pScsiReq->SGL, |
3010 | MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma); |
3011 | else |
3012 | ioc->add_sge((char *) &pScsiReq->SGL, |
3013 | MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma); |
3014 | |
3015 | INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status) |
3016 | mpt_put_msg_frame(cb_idx: ioc->InternalCtx, ioc, mf); |
3017 | timeleft = wait_for_completion_timeout(x: &ioc->internal_cmds.done, |
3018 | timeout: timeout*HZ); |
3019 | if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { |
3020 | ret = MPT_SCANDV_DID_RESET; |
3021 | dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
3022 | "%s: TIMED OUT for cmd=0x%02x\n" , ioc->name, __func__, |
3023 | cmd)); |
3024 | if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { |
3025 | mpt_free_msg_frame(ioc, mf); |
3026 | goto out; |
3027 | } |
3028 | if (!timeleft) { |
3029 | printk(MYIOC_s_WARN_FMT |
3030 | "Issuing Reset from %s!! doorbell=0x%08xh" |
3031 | " cmd=0x%02x\n" , |
3032 | ioc->name, __func__, mpt_GetIocState(ioc, 0), |
3033 | cmd); |
3034 | mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); |
3035 | mpt_free_msg_frame(ioc, mf); |
3036 | } |
3037 | goto out; |
3038 | } |
3039 | |
3040 | ret = ioc->internal_cmds.completion_code; |
3041 | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n" , |
3042 | ioc->name, __func__, ret)); |
3043 | |
3044 | out: |
3045 | CLEAR_MGMT_STATUS(ioc->internal_cmds.status) |
3046 | mutex_unlock(lock: &ioc->internal_cmds.mutex); |
3047 | return ret; |
3048 | } |
3049 | |
3050 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
3051 | /** |
3052 | * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks. |
3053 | * @hd: Pointer to a SCSI HOST structure |
3054 | * @vdevice: virtual target device |
3055 | * |
3056 | * Uses the ISR, but with special processing. |
3057 | * MUST be single-threaded. |
3058 | * |
3059 | */ |
3060 | static void |
3061 | mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice) |
3062 | { |
3063 | INTERNAL_CMD iocmd; |
3064 | |
3065 | /* Ignore hidden raid components, this is handled when the command |
3066 | * is sent to the volume |
3067 | */ |
3068 | if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) |
3069 | return; |
3070 | |
3071 | if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted || |
3072 | !vdevice->configured_lun) |
3073 | return; |
3074 | |
3075 | /* Following parameters will not change |
3076 | * in this routine. |
3077 | */ |
3078 | iocmd.cmd = SYNCHRONIZE_CACHE; |
3079 | iocmd.flags = 0; |
3080 | iocmd.physDiskNum = -1; |
3081 | iocmd.data = NULL; |
3082 | iocmd.data_dma = -1; |
3083 | iocmd.size = 0; |
3084 | iocmd.rsvd = iocmd.rsvd2 = 0; |
3085 | iocmd.channel = vdevice->vtarget->channel; |
3086 | iocmd.id = vdevice->vtarget->id; |
3087 | iocmd.lun = vdevice->lun; |
3088 | |
3089 | mptscsih_do_cmd(hd, io: &iocmd); |
3090 | } |
3091 | |
3092 | static ssize_t |
3093 | mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr, |
3094 | char *buf) |
3095 | { |
3096 | struct Scsi_Host *host = class_to_shost(dev); |
3097 | MPT_SCSI_HOST *hd = shost_priv(shost: host); |
3098 | MPT_ADAPTER *ioc = hd->ioc; |
3099 | |
3100 | return snprintf(buf, PAGE_SIZE, fmt: "%02d.%02d.%02d.%02d\n" , |
3101 | (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, |
3102 | (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, |
3103 | (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, |
3104 | ioc->facts.FWVersion.Word & 0x000000FF); |
3105 | } |
3106 | static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL); |
3107 | |
3108 | static ssize_t |
3109 | mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr, |
3110 | char *buf) |
3111 | { |
3112 | struct Scsi_Host *host = class_to_shost(dev); |
3113 | MPT_SCSI_HOST *hd = shost_priv(shost: host); |
3114 | MPT_ADAPTER *ioc = hd->ioc; |
3115 | |
3116 | return snprintf(buf, PAGE_SIZE, fmt: "%02x.%02x.%02x.%02x\n" , |
3117 | (ioc->biosVersion & 0xFF000000) >> 24, |
3118 | (ioc->biosVersion & 0x00FF0000) >> 16, |
3119 | (ioc->biosVersion & 0x0000FF00) >> 8, |
3120 | ioc->biosVersion & 0x000000FF); |
3121 | } |
3122 | static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL); |
3123 | |
3124 | static ssize_t |
3125 | mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr, |
3126 | char *buf) |
3127 | { |
3128 | struct Scsi_Host *host = class_to_shost(dev); |
3129 | MPT_SCSI_HOST *hd = shost_priv(shost: host); |
3130 | MPT_ADAPTER *ioc = hd->ioc; |
3131 | |
3132 | return snprintf(buf, PAGE_SIZE, fmt: "%03x\n" , ioc->facts.MsgVersion); |
3133 | } |
3134 | static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL); |
3135 | |
3136 | static ssize_t |
3137 | mptscsih_version_product_show(struct device *dev, |
3138 | struct device_attribute *attr, |
3139 | char *buf) |
3140 | { |
3141 | struct Scsi_Host *host = class_to_shost(dev); |
3142 | MPT_SCSI_HOST *hd = shost_priv(shost: host); |
3143 | MPT_ADAPTER *ioc = hd->ioc; |
3144 | |
3145 | return snprintf(buf, PAGE_SIZE, fmt: "%s\n" , ioc->prod_name); |
3146 | } |
3147 | static DEVICE_ATTR(version_product, S_IRUGO, |
3148 | mptscsih_version_product_show, NULL); |
3149 | |
3150 | static ssize_t |
3151 | mptscsih_version_nvdata_persistent_show(struct device *dev, |
3152 | struct device_attribute *attr, |
3153 | char *buf) |
3154 | { |
3155 | struct Scsi_Host *host = class_to_shost(dev); |
3156 | MPT_SCSI_HOST *hd = shost_priv(shost: host); |
3157 | MPT_ADAPTER *ioc = hd->ioc; |
3158 | |
3159 | return snprintf(buf, PAGE_SIZE, fmt: "%02xh\n" , |
3160 | ioc->nvdata_version_persistent); |
3161 | } |
3162 | static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO, |
3163 | mptscsih_version_nvdata_persistent_show, NULL); |
3164 | |
3165 | static ssize_t |
3166 | mptscsih_version_nvdata_default_show(struct device *dev, |
3167 | struct device_attribute *attr, char *buf) |
3168 | { |
3169 | struct Scsi_Host *host = class_to_shost(dev); |
3170 | MPT_SCSI_HOST *hd = shost_priv(shost: host); |
3171 | MPT_ADAPTER *ioc = hd->ioc; |
3172 | |
3173 | return snprintf(buf, PAGE_SIZE, fmt: "%02xh\n" ,ioc->nvdata_version_default); |
3174 | } |
3175 | static DEVICE_ATTR(version_nvdata_default, S_IRUGO, |
3176 | mptscsih_version_nvdata_default_show, NULL); |
3177 | |
3178 | static ssize_t |
3179 | mptscsih_board_name_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(shost: host); |
3184 | MPT_ADAPTER *ioc = hd->ioc; |
3185 | |
3186 | return snprintf(buf, PAGE_SIZE, fmt: "%s\n" , ioc->board_name); |
3187 | } |
3188 | static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL); |
3189 | |
3190 | static ssize_t |
3191 | mptscsih_board_assembly_show(struct device *dev, |
3192 | struct device_attribute *attr, char *buf) |
3193 | { |
3194 | struct Scsi_Host *host = class_to_shost(dev); |
3195 | MPT_SCSI_HOST *hd = shost_priv(shost: host); |
3196 | MPT_ADAPTER *ioc = hd->ioc; |
3197 | |
3198 | return snprintf(buf, PAGE_SIZE, fmt: "%s\n" , ioc->board_assembly); |
3199 | } |
3200 | static DEVICE_ATTR(board_assembly, S_IRUGO, |
3201 | mptscsih_board_assembly_show, NULL); |
3202 | |
3203 | static ssize_t |
3204 | mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr, |
3205 | char *buf) |
3206 | { |
3207 | struct Scsi_Host *host = class_to_shost(dev); |
3208 | MPT_SCSI_HOST *hd = shost_priv(shost: host); |
3209 | MPT_ADAPTER *ioc = hd->ioc; |
3210 | |
3211 | return snprintf(buf, PAGE_SIZE, fmt: "%s\n" , ioc->board_tracer); |
3212 | } |
3213 | static DEVICE_ATTR(board_tracer, S_IRUGO, |
3214 | mptscsih_board_tracer_show, NULL); |
3215 | |
3216 | static ssize_t |
3217 | mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr, |
3218 | char *buf) |
3219 | { |
3220 | struct Scsi_Host *host = class_to_shost(dev); |
3221 | MPT_SCSI_HOST *hd = shost_priv(shost: host); |
3222 | MPT_ADAPTER *ioc = hd->ioc; |
3223 | |
3224 | return snprintf(buf, PAGE_SIZE, fmt: "%02d\n" , ioc->io_missing_delay); |
3225 | } |
3226 | static DEVICE_ATTR(io_delay, S_IRUGO, |
3227 | mptscsih_io_delay_show, NULL); |
3228 | |
3229 | static ssize_t |
3230 | mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr, |
3231 | char *buf) |
3232 | { |
3233 | struct Scsi_Host *host = class_to_shost(dev); |
3234 | MPT_SCSI_HOST *hd = shost_priv(shost: host); |
3235 | MPT_ADAPTER *ioc = hd->ioc; |
3236 | |
3237 | return snprintf(buf, PAGE_SIZE, fmt: "%02d\n" , ioc->device_missing_delay); |
3238 | } |
3239 | static DEVICE_ATTR(device_delay, S_IRUGO, |
3240 | mptscsih_device_delay_show, NULL); |
3241 | |
3242 | static ssize_t |
3243 | mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr, |
3244 | char *buf) |
3245 | { |
3246 | struct Scsi_Host *host = class_to_shost(dev); |
3247 | MPT_SCSI_HOST *hd = shost_priv(shost: host); |
3248 | MPT_ADAPTER *ioc = hd->ioc; |
3249 | |
3250 | return snprintf(buf, PAGE_SIZE, fmt: "%08xh\n" , ioc->debug_level); |
3251 | } |
3252 | static ssize_t |
3253 | mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr, |
3254 | const char *buf, size_t count) |
3255 | { |
3256 | struct Scsi_Host *host = class_to_shost(dev); |
3257 | MPT_SCSI_HOST *hd = shost_priv(shost: host); |
3258 | MPT_ADAPTER *ioc = hd->ioc; |
3259 | int val = 0; |
3260 | |
3261 | if (sscanf(buf, "%x" , &val) != 1) |
3262 | return -EINVAL; |
3263 | |
3264 | ioc->debug_level = val; |
3265 | printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n" , |
3266 | ioc->name, ioc->debug_level); |
3267 | return strlen(buf); |
3268 | } |
3269 | static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR, |
3270 | mptscsih_debug_level_show, mptscsih_debug_level_store); |
3271 | |
3272 | static struct attribute *mptscsih_host_attrs[] = { |
3273 | &dev_attr_version_fw.attr, |
3274 | &dev_attr_version_bios.attr, |
3275 | &dev_attr_version_mpi.attr, |
3276 | &dev_attr_version_product.attr, |
3277 | &dev_attr_version_nvdata_persistent.attr, |
3278 | &dev_attr_version_nvdata_default.attr, |
3279 | &dev_attr_board_name.attr, |
3280 | &dev_attr_board_assembly.attr, |
3281 | &dev_attr_board_tracer.attr, |
3282 | &dev_attr_io_delay.attr, |
3283 | &dev_attr_device_delay.attr, |
3284 | &dev_attr_debug_level.attr, |
3285 | NULL, |
3286 | }; |
3287 | |
3288 | static const struct attribute_group mptscsih_host_attr_group = { |
3289 | .attrs = mptscsih_host_attrs |
3290 | }; |
3291 | |
3292 | const struct attribute_group *mptscsih_host_attr_groups[] = { |
3293 | &mptscsih_host_attr_group, |
3294 | NULL |
3295 | }; |
3296 | EXPORT_SYMBOL(mptscsih_host_attr_groups); |
3297 | |
3298 | EXPORT_SYMBOL(mptscsih_remove); |
3299 | EXPORT_SYMBOL(mptscsih_shutdown); |
3300 | #ifdef CONFIG_PM |
3301 | EXPORT_SYMBOL(mptscsih_suspend); |
3302 | EXPORT_SYMBOL(mptscsih_resume); |
3303 | #endif |
3304 | EXPORT_SYMBOL(mptscsih_show_info); |
3305 | EXPORT_SYMBOL(mptscsih_info); |
3306 | EXPORT_SYMBOL(mptscsih_qcmd); |
3307 | EXPORT_SYMBOL(mptscsih_slave_destroy); |
3308 | EXPORT_SYMBOL(mptscsih_slave_configure); |
3309 | EXPORT_SYMBOL(mptscsih_abort); |
3310 | EXPORT_SYMBOL(mptscsih_dev_reset); |
3311 | EXPORT_SYMBOL(mptscsih_target_reset); |
3312 | EXPORT_SYMBOL(mptscsih_bus_reset); |
3313 | EXPORT_SYMBOL(mptscsih_host_reset); |
3314 | EXPORT_SYMBOL(mptscsih_bios_param); |
3315 | EXPORT_SYMBOL(mptscsih_io_done); |
3316 | EXPORT_SYMBOL(mptscsih_taskmgmt_complete); |
3317 | EXPORT_SYMBOL(mptscsih_scandv_complete); |
3318 | EXPORT_SYMBOL(mptscsih_event_process); |
3319 | EXPORT_SYMBOL(mptscsih_ioc_reset); |
3320 | EXPORT_SYMBOL(mptscsih_change_queue_depth); |
3321 | |
3322 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
3323 | |