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