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 int 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 #define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE 122 123 124 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 125 /* 126 * mptscsih_getFreeChainBuffer - Function to get a free chain 127 * from the MPT_SCSI_HOST FreeChainQ. 128 * @ioc: Pointer to MPT_ADAPTER structure 129 * @req_idx: Index of the SCSI IO request frame. (output) 130 * 131 * return SUCCESS or FAILED 132 */ 133 static inline int 134 mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex) 135 { 136 MPT_FRAME_HDR *chainBuf; 137 unsigned long flags; 138 int rc; 139 int chain_idx; 140 141 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n", 142 ioc->name)); 143 spin_lock_irqsave(&ioc->FreeQlock, flags); 144 if (!list_empty(&ioc->FreeChainQ)) { 145 int offset; 146 147 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR, 148 u.frame.linkage.list); 149 list_del(&chainBuf->u.frame.linkage.list); 150 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer; 151 chain_idx = offset / ioc->req_sz; 152 rc = SUCCESS; 153 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT 154 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n", 155 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx)); 156 } else { 157 rc = FAILED; 158 chain_idx = MPT_HOST_NO_CHAIN; 159 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n", 160 ioc->name)); 161 } 162 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 163 164 *retIndex = chain_idx; 165 return rc; 166 } /* mptscsih_getFreeChainBuffer() */ 167 168 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 169 /* 170 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the 171 * SCSIIORequest_t Message Frame. 172 * @ioc: Pointer to MPT_ADAPTER structure 173 * @SCpnt: Pointer to scsi_cmnd structure 174 * @pReq: Pointer to SCSIIORequest_t structure 175 * 176 * Returns ... 177 */ 178 static int 179 mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt, 180 SCSIIORequest_t *pReq, int req_idx) 181 { 182 char *psge; 183 char *chainSge; 184 struct scatterlist *sg; 185 int frm_sz; 186 int sges_left, sg_done; 187 int chain_idx = MPT_HOST_NO_CHAIN; 188 int sgeOffset; 189 int numSgeSlots, numSgeThisFrame; 190 u32 sgflags, sgdir, thisxfer = 0; 191 int chain_dma_off = 0; 192 int newIndex; 193 int ii; 194 dma_addr_t v2; 195 u32 RequestNB; 196 197 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK; 198 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) { 199 sgdir = MPT_TRANSFER_HOST_TO_IOC; 200 } else { 201 sgdir = MPT_TRANSFER_IOC_TO_HOST; 202 } 203 204 psge = (char *) &pReq->SGL; 205 frm_sz = ioc->req_sz; 206 207 /* Map the data portion, if any. 208 * sges_left = 0 if no data transfer. 209 */ 210 sges_left = scsi_dma_map(SCpnt); 211 if (sges_left < 0) 212 return FAILED; 213 214 /* Handle the SG case. 215 */ 216 sg = scsi_sglist(SCpnt); 217 sg_done = 0; 218 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION); 219 chainSge = NULL; 220 221 /* Prior to entering this loop - the following must be set 222 * current MF: sgeOffset (bytes) 223 * chainSge (Null if original MF is not a chain buffer) 224 * sg_done (num SGE done for this MF) 225 */ 226 227 nextSGEset: 228 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size); 229 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots; 230 231 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir; 232 233 /* Get first (num - 1) SG elements 234 * Skip any SG entries with a length of 0 235 * NOTE: at finish, sg and psge pointed to NEXT data/location positions 236 */ 237 for (ii=0; ii < (numSgeThisFrame-1); ii++) { 238 thisxfer = sg_dma_len(sg); 239 if (thisxfer == 0) { 240 /* Get next SG element from the OS */ 241 sg = sg_next(sg); 242 sg_done++; 243 continue; 244 } 245 246 v2 = sg_dma_address(sg); 247 ioc->add_sge(psge, sgflags | thisxfer, v2); 248 249 /* Get next SG element from the OS */ 250 sg = sg_next(sg); 251 psge += ioc->SGE_size; 252 sgeOffset += ioc->SGE_size; 253 sg_done++; 254 } 255 256 if (numSgeThisFrame == sges_left) { 257 /* Add last element, end of buffer and end of list flags. 258 */ 259 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT | 260 MPT_SGE_FLAGS_END_OF_BUFFER | 261 MPT_SGE_FLAGS_END_OF_LIST; 262 263 /* Add last SGE and set termination flags. 264 * Note: Last SGE may have a length of 0 - which should be ok. 265 */ 266 thisxfer = sg_dma_len(sg); 267 268 v2 = sg_dma_address(sg); 269 ioc->add_sge(psge, sgflags | thisxfer, v2); 270 sgeOffset += ioc->SGE_size; 271 sg_done++; 272 273 if (chainSge) { 274 /* The current buffer is a chain buffer, 275 * but there is not another one. 276 * Update the chain element 277 * Offset and Length fields. 278 */ 279 ioc->add_chain((char *)chainSge, 0, sgeOffset, 280 ioc->ChainBufferDMA + chain_dma_off); 281 } else { 282 /* The current buffer is the original MF 283 * and there is no Chain buffer. 284 */ 285 pReq->ChainOffset = 0; 286 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03; 287 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT 288 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset)); 289 ioc->RequestNB[req_idx] = RequestNB; 290 } 291 } else { 292 /* At least one chain buffer is needed. 293 * Complete the first MF 294 * - last SGE element, set the LastElement bit 295 * - set ChainOffset (words) for orig MF 296 * (OR finish previous MF chain buffer) 297 * - update MFStructPtr ChainIndex 298 * - Populate chain element 299 * Also 300 * Loop until done. 301 */ 302 303 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n", 304 ioc->name, sg_done)); 305 306 /* Set LAST_ELEMENT flag for last non-chain element 307 * in the buffer. Since psge points at the NEXT 308 * SGE element, go back one SGE element, update the flags 309 * and reset the pointer. (Note: sgflags & thisxfer are already 310 * set properly). 311 */ 312 if (sg_done) { 313 u32 *ptmp = (u32 *) (psge - ioc->SGE_size); 314 sgflags = le32_to_cpu(*ptmp); 315 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT; 316 *ptmp = cpu_to_le32(sgflags); 317 } 318 319 if (chainSge) { 320 /* The current buffer is a chain buffer. 321 * chainSge points to the previous Chain Element. 322 * Update its chain element Offset and Length (must 323 * include chain element size) fields. 324 * Old chain element is now complete. 325 */ 326 u8 nextChain = (u8) (sgeOffset >> 2); 327 sgeOffset += ioc->SGE_size; 328 ioc->add_chain((char *)chainSge, nextChain, sgeOffset, 329 ioc->ChainBufferDMA + chain_dma_off); 330 } else { 331 /* The original MF buffer requires a chain buffer - 332 * set the offset. 333 * Last element in this MF is a chain element. 334 */ 335 pReq->ChainOffset = (u8) (sgeOffset >> 2); 336 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03; 337 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset)); 338 ioc->RequestNB[req_idx] = RequestNB; 339 } 340 341 sges_left -= sg_done; 342 343 344 /* NOTE: psge points to the beginning of the chain element 345 * in current buffer. Get a chain buffer. 346 */ 347 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) { 348 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 349 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n", 350 ioc->name, pReq->CDB[0], SCpnt)); 351 return FAILED; 352 } 353 354 /* Update the tracking arrays. 355 * If chainSge == NULL, update ReqToChain, else ChainToChain 356 */ 357 if (chainSge) { 358 ioc->ChainToChain[chain_idx] = newIndex; 359 } else { 360 ioc->ReqToChain[req_idx] = newIndex; 361 } 362 chain_idx = newIndex; 363 chain_dma_off = ioc->req_sz * chain_idx; 364 365 /* Populate the chainSGE for the current buffer. 366 * - Set chain buffer pointer to psge and fill 367 * out the Address and Flags fields. 368 */ 369 chainSge = (char *) psge; 370 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)", 371 ioc->name, psge, req_idx)); 372 373 /* Start the SGE for the next buffer 374 */ 375 psge = (char *) (ioc->ChainBuffer + chain_dma_off); 376 sgeOffset = 0; 377 sg_done = 0; 378 379 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n", 380 ioc->name, psge, chain_idx)); 381 382 /* Start the SGE for the next buffer 383 */ 384 385 goto nextSGEset; 386 } 387 388 return SUCCESS; 389 } /* mptscsih_AddSGE() */ 390 391 static void 392 mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget, 393 U32 SlotStatus) 394 { 395 MPT_FRAME_HDR *mf; 396 SEPRequest_t *SEPMsg; 397 398 if (ioc->bus_type != SAS) 399 return; 400 401 /* Not supported for hidden raid components 402 */ 403 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 404 return; 405 406 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) { 407 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n", 408 ioc->name,__func__)); 409 return; 410 } 411 412 SEPMsg = (SEPRequest_t *)mf; 413 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; 414 SEPMsg->Bus = vtarget->channel; 415 SEPMsg->TargetID = vtarget->id; 416 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS; 417 SEPMsg->SlotStatus = SlotStatus; 418 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 419 "Sending SEP cmd=%x channel=%d id=%d\n", 420 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID)); 421 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); 422 } 423 424 #ifdef CONFIG_FUSION_LOGGING 425 /** 426 * mptscsih_info_scsiio - debug print info on reply frame 427 * @ioc: Pointer to MPT_ADAPTER structure 428 * @sc: original scsi cmnd pointer 429 * @pScsiReply: Pointer to MPT reply frame 430 * 431 * MPT_DEBUG_REPLY needs to be enabled to obtain this info 432 * 433 * Refer to lsi/mpi.h. 434 **/ 435 static void 436 mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply) 437 { 438 char *desc = NULL; 439 char *desc1 = NULL; 440 u16 ioc_status; 441 u8 skey, asc, ascq; 442 443 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK; 444 445 switch (ioc_status) { 446 447 case MPI_IOCSTATUS_SUCCESS: 448 desc = "success"; 449 break; 450 case MPI_IOCSTATUS_SCSI_INVALID_BUS: 451 desc = "invalid bus"; 452 break; 453 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: 454 desc = "invalid target_id"; 455 break; 456 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 457 desc = "device not there"; 458 break; 459 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: 460 desc = "data overrun"; 461 break; 462 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: 463 desc = "data underrun"; 464 break; 465 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: 466 desc = "I/O data error"; 467 break; 468 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: 469 desc = "protocol error"; 470 break; 471 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: 472 desc = "task terminated"; 473 break; 474 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 475 desc = "residual mismatch"; 476 break; 477 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 478 desc = "task management failed"; 479 break; 480 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: 481 desc = "IOC terminated"; 482 break; 483 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: 484 desc = "ext terminated"; 485 break; 486 default: 487 desc = ""; 488 break; 489 } 490 491 switch (pScsiReply->SCSIStatus) 492 { 493 494 case MPI_SCSI_STATUS_SUCCESS: 495 desc1 = "success"; 496 break; 497 case MPI_SCSI_STATUS_CHECK_CONDITION: 498 desc1 = "check condition"; 499 break; 500 case MPI_SCSI_STATUS_CONDITION_MET: 501 desc1 = "condition met"; 502 break; 503 case MPI_SCSI_STATUS_BUSY: 504 desc1 = "busy"; 505 break; 506 case MPI_SCSI_STATUS_INTERMEDIATE: 507 desc1 = "intermediate"; 508 break; 509 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET: 510 desc1 = "intermediate condmet"; 511 break; 512 case MPI_SCSI_STATUS_RESERVATION_CONFLICT: 513 desc1 = "reservation conflict"; 514 break; 515 case MPI_SCSI_STATUS_COMMAND_TERMINATED: 516 desc1 = "command terminated"; 517 break; 518 case MPI_SCSI_STATUS_TASK_SET_FULL: 519 desc1 = "task set full"; 520 break; 521 case MPI_SCSI_STATUS_ACA_ACTIVE: 522 desc1 = "aca active"; 523 break; 524 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT: 525 desc1 = "fcpext device logged out"; 526 break; 527 case MPI_SCSI_STATUS_FCPEXT_NO_LINK: 528 desc1 = "fcpext no link"; 529 break; 530 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED: 531 desc1 = "fcpext unassigned"; 532 break; 533 default: 534 desc1 = ""; 535 break; 536 } 537 538 scsi_print_command(sc); 539 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %d\n", 540 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun); 541 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, " 542 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow, 543 scsi_get_resid(sc)); 544 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, " 545 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag), 546 le32_to_cpu(pScsiReply->TransferCount), sc->result); 547 548 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), " 549 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n", 550 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus, 551 pScsiReply->SCSIState); 552 553 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) { 554 skey = sc->sense_buffer[2] & 0x0F; 555 asc = sc->sense_buffer[12]; 556 ascq = sc->sense_buffer[13]; 557 558 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: " 559 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq); 560 } 561 562 /* 563 * Look for + dump FCP ResponseInfo[]! 564 */ 565 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID && 566 pScsiReply->ResponseInfo) 567 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n", 568 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo)); 569 } 570 #endif 571 572 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 573 /* 574 * mptscsih_io_done - Main SCSI IO callback routine registered to 575 * Fusion MPT (base) driver 576 * @ioc: Pointer to MPT_ADAPTER structure 577 * @mf: Pointer to original MPT request frame 578 * @r: Pointer to MPT reply frame (NULL if TurboReply) 579 * 580 * This routine is called from mpt.c::mpt_interrupt() at the completion 581 * of any SCSI IO request. 582 * This routine is registered with the Fusion MPT (base) driver at driver 583 * load/init time via the mpt_register() API call. 584 * 585 * Returns 1 indicating alloc'd request frame ptr should be freed. 586 */ 587 int 588 mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) 589 { 590 struct scsi_cmnd *sc; 591 MPT_SCSI_HOST *hd; 592 SCSIIORequest_t *pScsiReq; 593 SCSIIOReply_t *pScsiReply; 594 u16 req_idx, req_idx_MR; 595 VirtDevice *vdevice; 596 VirtTarget *vtarget; 597 598 hd = shost_priv(ioc->sh); 599 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 600 req_idx_MR = (mr != NULL) ? 601 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx; 602 603 /* Special case, where already freed message frame is received from 604 * Firmware. It happens with Resetting IOC. 605 * Return immediately. Do not care 606 */ 607 if ((req_idx != req_idx_MR) || 608 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf)) 609 return 0; 610 611 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx); 612 if (sc == NULL) { 613 MPIHeader_t *hdr = (MPIHeader_t *)mf; 614 615 /* Remark: writeSDP1 will use the ScsiDoneCtx 616 * If a SCSI I/O cmd, device disabled by OS and 617 * completion done. Cannot touch sc struct. Just free mem. 618 */ 619 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST) 620 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n", 621 ioc->name); 622 623 mptscsih_freeChainBuffers(ioc, req_idx); 624 return 1; 625 } 626 627 if ((unsigned char *)mf != sc->host_scribble) { 628 mptscsih_freeChainBuffers(ioc, req_idx); 629 return 1; 630 } 631 632 if (ioc->bus_type == SAS) { 633 VirtDevice *vdevice = sc->device->hostdata; 634 635 if (!vdevice || !vdevice->vtarget || 636 vdevice->vtarget->deleted) { 637 sc->result = DID_NO_CONNECT << 16; 638 goto out; 639 } 640 } 641 642 sc->host_scribble = NULL; 643 sc->result = DID_OK << 16; /* Set default reply as OK */ 644 pScsiReq = (SCSIIORequest_t *) mf; 645 pScsiReply = (SCSIIOReply_t *) mr; 646 647 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){ 648 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT 649 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n", 650 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag)); 651 }else{ 652 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT 653 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n", 654 ioc->name, mf, mr, sc, req_idx)); 655 } 656 657 if (pScsiReply == NULL) { 658 /* special context reply handling */ 659 ; 660 } else { 661 u32 xfer_cnt; 662 u16 status; 663 u8 scsi_state, scsi_status; 664 u32 log_info; 665 666 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK; 667 668 scsi_state = pScsiReply->SCSIState; 669 scsi_status = pScsiReply->SCSIStatus; 670 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount); 671 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt); 672 log_info = le32_to_cpu(pScsiReply->IOCLogInfo); 673 674 /* 675 * if we get a data underrun indication, yet no data was 676 * transferred and the SCSI status indicates that the 677 * command was never started, change the data underrun 678 * to success 679 */ 680 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && 681 (scsi_status == MPI_SCSI_STATUS_BUSY || 682 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT || 683 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) { 684 status = MPI_IOCSTATUS_SUCCESS; 685 } 686 687 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) 688 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply); 689 690 /* 691 * Look for + dump FCP ResponseInfo[]! 692 */ 693 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID && 694 pScsiReply->ResponseInfo) { 695 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%d] " 696 "FCP_ResponseInfo=%08xh\n", ioc->name, 697 sc->device->host->host_no, sc->device->channel, 698 sc->device->id, sc->device->lun, 699 le32_to_cpu(pScsiReply->ResponseInfo)); 700 } 701 702 switch(status) { 703 case MPI_IOCSTATUS_BUSY: /* 0x0002 */ 704 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */ 705 /* CHECKME! 706 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry) 707 * But not: DID_BUS_BUSY lest one risk 708 * killing interrupt handler:-( 709 */ 710 sc->result = SAM_STAT_BUSY; 711 break; 712 713 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */ 714 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */ 715 sc->result = DID_BAD_TARGET << 16; 716 break; 717 718 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ 719 /* Spoof to SCSI Selection Timeout! */ 720 if (ioc->bus_type != FC) 721 sc->result = DID_NO_CONNECT << 16; 722 /* else fibre, just stall until rescan event */ 723 else 724 sc->result = DID_REQUEUE << 16; 725 726 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF) 727 hd->sel_timeout[pScsiReq->TargetID]++; 728 729 vdevice = sc->device->hostdata; 730 if (!vdevice) 731 break; 732 vtarget = vdevice->vtarget; 733 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) { 734 mptscsih_issue_sep_command(ioc, vtarget, 735 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED); 736 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON; 737 } 738 break; 739 740 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ 741 if ( ioc->bus_type == SAS ) { 742 u16 ioc_status = 743 le16_to_cpu(pScsiReply->IOCStatus); 744 if ((ioc_status & 745 MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) 746 && 747 ((log_info & SAS_LOGINFO_MASK) == 748 SAS_LOGINFO_NEXUS_LOSS)) { 749 VirtDevice *vdevice = 750 sc->device->hostdata; 751 752 /* flag the device as being in 753 * device removal delay so we can 754 * notify the midlayer to hold off 755 * on timeout eh */ 756 if (vdevice && vdevice-> 757 vtarget && 758 vdevice->vtarget-> 759 raidVolume) 760 printk(KERN_INFO 761 "Skipping Raid Volume" 762 "for inDMD\n"); 763 else if (vdevice && 764 vdevice->vtarget) 765 vdevice->vtarget-> 766 inDMD = 1; 767 768 sc->result = 769 (DID_TRANSPORT_DISRUPTED 770 << 16); 771 break; 772 } 773 } else if (ioc->bus_type == FC) { 774 /* 775 * The FC IOC may kill a request for variety of 776 * reasons, some of which may be recovered by a 777 * retry, some which are unlikely to be 778 * recovered. Return DID_ERROR instead of 779 * DID_RESET to permit retry of the command, 780 * just not an infinite number of them 781 */ 782 sc->result = DID_ERROR << 16; 783 break; 784 } 785 786 /* 787 * Allow non-SAS & non-NEXUS_LOSS to drop into below code 788 */ 789 790 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ 791 /* Linux handles an unsolicited DID_RESET better 792 * than an unsolicited DID_ABORT. 793 */ 794 sc->result = DID_RESET << 16; 795 break; 796 797 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ 798 if (ioc->bus_type == FC) 799 sc->result = DID_ERROR << 16; 800 else 801 sc->result = DID_RESET << 16; 802 break; 803 804 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */ 805 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt); 806 if((xfer_cnt==0)||(sc->underflow > xfer_cnt)) 807 sc->result=DID_SOFT_ERROR << 16; 808 else /* Sufficient data transfer occurred */ 809 sc->result = (DID_OK << 16) | scsi_status; 810 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 811 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n", 812 ioc->name, sc->result, sc->device->channel, sc->device->id)); 813 break; 814 815 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ 816 /* 817 * Do upfront check for valid SenseData and give it 818 * precedence! 819 */ 820 sc->result = (DID_OK << 16) | scsi_status; 821 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) { 822 823 /* 824 * For an Errata on LSI53C1030 825 * When the length of request data 826 * and transfer data are different 827 * with result of command (READ or VERIFY), 828 * DID_SOFT_ERROR is set. 829 */ 830 if (ioc->bus_type == SPI) { 831 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) || 832 pScsiReq->CDB[0] == READ_10 || 833 pScsiReq->CDB[0] == READ_12 || 834 (pScsiReq->CDB[0] == READ_16 && 835 ((pScsiReq->CDB[1] & 0x02) == 0)) || 836 pScsiReq->CDB[0] == VERIFY || 837 pScsiReq->CDB[0] == VERIFY_16) { 838 if (scsi_bufflen(sc) != 839 xfer_cnt) { 840 sc->result = 841 DID_SOFT_ERROR << 16; 842 printk(KERN_WARNING "Errata" 843 "on LSI53C1030 occurred." 844 "sc->req_bufflen=0x%02x," 845 "xfer_cnt=0x%02x\n", 846 scsi_bufflen(sc), 847 xfer_cnt); 848 } 849 } 850 } 851 852 if (xfer_cnt < sc->underflow) { 853 if (scsi_status == SAM_STAT_BUSY) 854 sc->result = SAM_STAT_BUSY; 855 else 856 sc->result = DID_SOFT_ERROR << 16; 857 } 858 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) { 859 /* What to do? 860 */ 861 sc->result = DID_SOFT_ERROR << 16; 862 } 863 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) { 864 /* Not real sure here either... */ 865 sc->result = DID_RESET << 16; 866 } 867 } 868 869 870 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 871 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n", 872 ioc->name, sc->underflow)); 873 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 874 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt)); 875 876 /* Report Queue Full 877 */ 878 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL) 879 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); 880 881 break; 882 883 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */ 884 scsi_set_resid(sc, 0); 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:%d) 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 scsi_remove_host(host); 1180 1181 if((hd = shost_priv(host)) == NULL) 1182 return; 1183 1184 mptscsih_shutdown(pdev); 1185 1186 sz1=0; 1187 1188 if (ioc->ScsiLookup != NULL) { 1189 sz1 = ioc->req_depth * sizeof(void *); 1190 kfree(ioc->ScsiLookup); 1191 ioc->ScsiLookup = NULL; 1192 } 1193 1194 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1195 "Free'd ScsiLookup (%d) memory\n", 1196 ioc->name, sz1)); 1197 1198 kfree(hd->info_kbuf); 1199 1200 /* NULL the Scsi_Host pointer 1201 */ 1202 ioc->sh = NULL; 1203 1204 scsi_host_put(host); 1205 1206 mpt_detach(pdev); 1207 1208 } 1209 1210 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1211 /* 1212 * mptscsih_shutdown - reboot notifier 1213 * 1214 */ 1215 void 1216 mptscsih_shutdown(struct pci_dev *pdev) 1217 { 1218 } 1219 1220 #ifdef CONFIG_PM 1221 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1222 /* 1223 * mptscsih_suspend - Fusion MPT scsi driver suspend routine. 1224 * 1225 * 1226 */ 1227 int 1228 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state) 1229 { 1230 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1231 1232 scsi_block_requests(ioc->sh); 1233 flush_scheduled_work(); 1234 mptscsih_shutdown(pdev); 1235 return mpt_suspend(pdev,state); 1236 } 1237 1238 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1239 /* 1240 * mptscsih_resume - Fusion MPT scsi driver resume routine. 1241 * 1242 * 1243 */ 1244 int 1245 mptscsih_resume(struct pci_dev *pdev) 1246 { 1247 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1248 int rc; 1249 1250 rc = mpt_resume(pdev); 1251 scsi_unblock_requests(ioc->sh); 1252 return rc; 1253 } 1254 1255 #endif 1256 1257 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1258 /** 1259 * mptscsih_info - Return information about MPT adapter 1260 * @SChost: Pointer to Scsi_Host structure 1261 * 1262 * (linux scsi_host_template.info routine) 1263 * 1264 * Returns pointer to buffer where information was written. 1265 */ 1266 const char * 1267 mptscsih_info(struct Scsi_Host *SChost) 1268 { 1269 MPT_SCSI_HOST *h; 1270 int size = 0; 1271 1272 h = shost_priv(SChost); 1273 1274 if (h) { 1275 if (h->info_kbuf == NULL) 1276 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL) 1277 return h->info_kbuf; 1278 h->info_kbuf[0] = '\0'; 1279 1280 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0); 1281 h->info_kbuf[size-1] = '\0'; 1282 } 1283 1284 return h->info_kbuf; 1285 } 1286 1287 int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host) 1288 { 1289 MPT_SCSI_HOST *hd = shost_priv(host); 1290 MPT_ADAPTER *ioc = hd->ioc; 1291 1292 seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name); 1293 seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word); 1294 seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts); 1295 seq_printf(m, "MaxQ=%d\n", ioc->req_depth); 1296 1297 return 0; 1298 } 1299 1300 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1301 #define ADD_INDEX_LOG(req_ent) do { } while(0) 1302 1303 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1304 /** 1305 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine. 1306 * @SCpnt: Pointer to scsi_cmnd structure 1307 * @done: Pointer SCSI mid-layer IO completion function 1308 * 1309 * (linux scsi_host_template.queuecommand routine) 1310 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest 1311 * from a linux scsi_cmnd request and send it to the IOC. 1312 * 1313 * Returns 0. (rtn value discarded by linux scsi mid-layer) 1314 */ 1315 int 1316 mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) 1317 { 1318 MPT_SCSI_HOST *hd; 1319 MPT_FRAME_HDR *mf; 1320 SCSIIORequest_t *pScsiReq; 1321 VirtDevice *vdevice = SCpnt->device->hostdata; 1322 u32 datalen; 1323 u32 scsictl; 1324 u32 scsidir; 1325 u32 cmd_len; 1326 int my_idx; 1327 int ii; 1328 MPT_ADAPTER *ioc; 1329 1330 hd = shost_priv(SCpnt->device->host); 1331 ioc = hd->ioc; 1332 SCpnt->scsi_done = done; 1333 1334 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n", 1335 ioc->name, SCpnt, done)); 1336 1337 if (ioc->taskmgmt_quiesce_io) 1338 return SCSI_MLQUEUE_HOST_BUSY; 1339 1340 /* 1341 * Put together a MPT SCSI request... 1342 */ 1343 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) { 1344 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n", 1345 ioc->name)); 1346 return SCSI_MLQUEUE_HOST_BUSY; 1347 } 1348 1349 pScsiReq = (SCSIIORequest_t *) mf; 1350 1351 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 1352 1353 ADD_INDEX_LOG(my_idx); 1354 1355 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)! 1356 * Seems we may receive a buffer (datalen>0) even when there 1357 * will be no data transfer! GRRRRR... 1358 */ 1359 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) { 1360 datalen = scsi_bufflen(SCpnt); 1361 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */ 1362 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) { 1363 datalen = scsi_bufflen(SCpnt); 1364 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */ 1365 } else { 1366 datalen = 0; 1367 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER; 1368 } 1369 1370 /* Default to untagged. Once a target structure has been allocated, 1371 * use the Inquiry data to determine if device supports tagged. 1372 */ 1373 if (vdevice 1374 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) 1375 && (SCpnt->device->tagged_supported)) { 1376 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ; 1377 if (SCpnt->request && SCpnt->request->ioprio) { 1378 if (((SCpnt->request->ioprio & 0x7) == 1) || 1379 !(SCpnt->request->ioprio & 0x7)) 1380 scsictl |= MPI_SCSIIO_CONTROL_HEADOFQ; 1381 } 1382 } else 1383 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED; 1384 1385 1386 /* Use the above information to set up the message frame 1387 */ 1388 pScsiReq->TargetID = (u8) vdevice->vtarget->id; 1389 pScsiReq->Bus = vdevice->vtarget->channel; 1390 pScsiReq->ChainOffset = 0; 1391 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 1392 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 1393 else 1394 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 1395 pScsiReq->CDBLength = SCpnt->cmd_len; 1396 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 1397 pScsiReq->Reserved = 0; 1398 pScsiReq->MsgFlags = mpt_msg_flags(ioc); 1399 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN); 1400 pScsiReq->Control = cpu_to_le32(scsictl); 1401 1402 /* 1403 * Write SCSI CDB into the message 1404 */ 1405 cmd_len = SCpnt->cmd_len; 1406 for (ii=0; ii < cmd_len; ii++) 1407 pScsiReq->CDB[ii] = SCpnt->cmnd[ii]; 1408 1409 for (ii=cmd_len; ii < 16; ii++) 1410 pScsiReq->CDB[ii] = 0; 1411 1412 /* DataLength */ 1413 pScsiReq->DataLength = cpu_to_le32(datalen); 1414 1415 /* SenseBuffer low address */ 1416 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma 1417 + (my_idx * MPT_SENSE_BUFFER_ALLOC)); 1418 1419 /* Now add the SG list 1420 * Always have a SGE even if null length. 1421 */ 1422 if (datalen == 0) { 1423 /* Add a NULL SGE */ 1424 ioc->add_sge((char *)&pScsiReq->SGL, 1425 MPT_SGE_FLAGS_SSIMPLE_READ | 0, 1426 (dma_addr_t) -1); 1427 } else { 1428 /* Add a 32 or 64 bit SGE */ 1429 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS) 1430 goto fail; 1431 } 1432 1433 SCpnt->host_scribble = (unsigned char *)mf; 1434 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt); 1435 1436 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); 1437 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n", 1438 ioc->name, SCpnt, mf, my_idx)); 1439 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf); 1440 return 0; 1441 1442 fail: 1443 mptscsih_freeChainBuffers(ioc, my_idx); 1444 mpt_free_msg_frame(ioc, mf); 1445 return SCSI_MLQUEUE_HOST_BUSY; 1446 } 1447 1448 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1449 /* 1450 * mptscsih_freeChainBuffers - Function to free chain buffers associated 1451 * with a SCSI IO request 1452 * @hd: Pointer to the MPT_SCSI_HOST instance 1453 * @req_idx: Index of the SCSI IO request frame. 1454 * 1455 * Called if SG chain buffer allocation fails and mptscsih callbacks. 1456 * No return. 1457 */ 1458 static void 1459 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx) 1460 { 1461 MPT_FRAME_HDR *chain; 1462 unsigned long flags; 1463 int chain_idx; 1464 int next; 1465 1466 /* Get the first chain index and reset 1467 * tracker state. 1468 */ 1469 chain_idx = ioc->ReqToChain[req_idx]; 1470 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN; 1471 1472 while (chain_idx != MPT_HOST_NO_CHAIN) { 1473 1474 /* Save the next chain buffer index */ 1475 next = ioc->ChainToChain[chain_idx]; 1476 1477 /* Free this chain buffer and reset 1478 * tracker 1479 */ 1480 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN; 1481 1482 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer 1483 + (chain_idx * ioc->req_sz)); 1484 1485 spin_lock_irqsave(&ioc->FreeQlock, flags); 1486 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ); 1487 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 1488 1489 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n", 1490 ioc->name, chain_idx)); 1491 1492 /* handle next */ 1493 chain_idx = next; 1494 } 1495 return; 1496 } 1497 1498 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1499 /* 1500 * Reset Handling 1501 */ 1502 1503 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1504 /** 1505 * mptscsih_IssueTaskMgmt - Generic send Task Management function. 1506 * @hd: Pointer to MPT_SCSI_HOST structure 1507 * @type: Task Management type 1508 * @channel: channel number for task management 1509 * @id: Logical Target ID for reset (if appropriate) 1510 * @lun: Logical Unit for reset (if appropriate) 1511 * @ctx2abort: Context for the task to be aborted (if appropriate) 1512 * @timeout: timeout for task management control 1513 * 1514 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer) 1515 * or a non-interrupt thread. In the former, must not call schedule(). 1516 * 1517 * Not all fields are meaningfull for all task types. 1518 * 1519 * Returns 0 for SUCCESS, or FAILED. 1520 * 1521 **/ 1522 int 1523 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, 1524 int ctx2abort, ulong timeout) 1525 { 1526 MPT_FRAME_HDR *mf; 1527 SCSITaskMgmt_t *pScsiTm; 1528 int ii; 1529 int retval; 1530 MPT_ADAPTER *ioc = hd->ioc; 1531 unsigned long timeleft; 1532 u8 issue_hard_reset; 1533 u32 ioc_raw_state; 1534 unsigned long time_count; 1535 1536 issue_hard_reset = 0; 1537 ioc_raw_state = mpt_GetIocState(ioc, 0); 1538 1539 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) { 1540 printk(MYIOC_s_WARN_FMT 1541 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n", 1542 ioc->name, type, ioc_raw_state); 1543 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n", 1544 ioc->name, __func__); 1545 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0) 1546 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset " 1547 "FAILED!!\n", ioc->name); 1548 return 0; 1549 } 1550 1551 /* DOORBELL ACTIVE check is not required if 1552 * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported. 1553 */ 1554 1555 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) 1556 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) && 1557 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) { 1558 printk(MYIOC_s_WARN_FMT 1559 "TaskMgmt type=%x: ioc_state: " 1560 "DOORBELL_ACTIVE (0x%x)!\n", 1561 ioc->name, type, ioc_raw_state); 1562 return FAILED; 1563 } 1564 1565 mutex_lock(&ioc->taskmgmt_cmds.mutex); 1566 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) { 1567 mf = NULL; 1568 retval = FAILED; 1569 goto out; 1570 } 1571 1572 /* Return Fail to calling function if no message frames available. 1573 */ 1574 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) { 1575 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1576 "TaskMgmt no msg frames!!\n", ioc->name)); 1577 retval = FAILED; 1578 mpt_clear_taskmgmt_in_progress_flag(ioc); 1579 goto out; 1580 } 1581 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n", 1582 ioc->name, mf)); 1583 1584 /* Format the Request 1585 */ 1586 pScsiTm = (SCSITaskMgmt_t *) mf; 1587 pScsiTm->TargetID = id; 1588 pScsiTm->Bus = channel; 1589 pScsiTm->ChainOffset = 0; 1590 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 1591 1592 pScsiTm->Reserved = 0; 1593 pScsiTm->TaskType = type; 1594 pScsiTm->Reserved1 = 0; 1595 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) 1596 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0; 1597 1598 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN); 1599 1600 for (ii=0; ii < 7; ii++) 1601 pScsiTm->Reserved2[ii] = 0; 1602 1603 pScsiTm->TaskMsgContext = ctx2abort; 1604 1605 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) " 1606 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort, 1607 type, timeout)); 1608 1609 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm); 1610 1611 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status) 1612 time_count = jiffies; 1613 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && 1614 (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) 1615 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf); 1616 else { 1617 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc, 1618 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP); 1619 if (retval) { 1620 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1621 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n", 1622 ioc->name, mf, retval)); 1623 mpt_free_msg_frame(ioc, mf); 1624 mpt_clear_taskmgmt_in_progress_flag(ioc); 1625 goto out; 1626 } 1627 } 1628 1629 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done, 1630 timeout*HZ); 1631 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 1632 retval = FAILED; 1633 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT 1634 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf)); 1635 mpt_clear_taskmgmt_in_progress_flag(ioc); 1636 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) 1637 goto out; 1638 issue_hard_reset = 1; 1639 goto out; 1640 } 1641 1642 retval = mptscsih_taskmgmt_reply(ioc, type, 1643 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply); 1644 1645 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1646 "TaskMgmt completed (%d seconds)\n", 1647 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000)); 1648 1649 out: 1650 1651 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status) 1652 if (issue_hard_reset) { 1653 printk(MYIOC_s_WARN_FMT 1654 "Issuing Reset from %s!! doorbell=0x%08x\n", 1655 ioc->name, __func__, mpt_GetIocState(ioc, 0)); 1656 retval = (ioc->bus_type == SAS) ? 1657 mpt_HardResetHandler(ioc, CAN_SLEEP) : 1658 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 1659 mpt_free_msg_frame(ioc, mf); 1660 } 1661 1662 retval = (retval == 0) ? 0 : FAILED; 1663 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 1664 return retval; 1665 } 1666 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt); 1667 1668 static int 1669 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc) 1670 { 1671 switch (ioc->bus_type) { 1672 case FC: 1673 return 40; 1674 case SAS: 1675 return 30; 1676 case SPI: 1677 default: 1678 return 10; 1679 } 1680 } 1681 1682 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1683 /** 1684 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant 1685 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted 1686 * 1687 * (linux scsi_host_template.eh_abort_handler routine) 1688 * 1689 * Returns SUCCESS or FAILED. 1690 **/ 1691 int 1692 mptscsih_abort(struct scsi_cmnd * SCpnt) 1693 { 1694 MPT_SCSI_HOST *hd; 1695 MPT_FRAME_HDR *mf; 1696 u32 ctx2abort; 1697 int scpnt_idx; 1698 int retval; 1699 VirtDevice *vdevice; 1700 MPT_ADAPTER *ioc; 1701 1702 /* If we can't locate our host adapter structure, return FAILED status. 1703 */ 1704 if ((hd = shost_priv(SCpnt->device->host)) == NULL) { 1705 SCpnt->result = DID_RESET << 16; 1706 SCpnt->scsi_done(SCpnt); 1707 printk(KERN_ERR MYNAM ": task abort: " 1708 "can't locate host! (sc=%p)\n", SCpnt); 1709 return FAILED; 1710 } 1711 1712 ioc = hd->ioc; 1713 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n", 1714 ioc->name, SCpnt); 1715 scsi_print_command(SCpnt); 1716 1717 vdevice = SCpnt->device->hostdata; 1718 if (!vdevice || !vdevice->vtarget) { 1719 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1720 "task abort: device has been deleted (sc=%p)\n", 1721 ioc->name, SCpnt)); 1722 SCpnt->result = DID_NO_CONNECT << 16; 1723 SCpnt->scsi_done(SCpnt); 1724 retval = SUCCESS; 1725 goto out; 1726 } 1727 1728 /* Task aborts are not supported for hidden raid components. 1729 */ 1730 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) { 1731 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1732 "task abort: hidden raid component (sc=%p)\n", 1733 ioc->name, SCpnt)); 1734 SCpnt->result = DID_RESET << 16; 1735 retval = FAILED; 1736 goto out; 1737 } 1738 1739 /* Task aborts are not supported for volumes. 1740 */ 1741 if (vdevice->vtarget->raidVolume) { 1742 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1743 "task abort: raid volume (sc=%p)\n", 1744 ioc->name, SCpnt)); 1745 SCpnt->result = DID_RESET << 16; 1746 retval = FAILED; 1747 goto out; 1748 } 1749 1750 /* Find this command 1751 */ 1752 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) { 1753 /* Cmd not found in ScsiLookup. 1754 * Do OS callback. 1755 */ 1756 SCpnt->result = DID_RESET << 16; 1757 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: " 1758 "Command not in the active list! (sc=%p)\n", ioc->name, 1759 SCpnt)); 1760 retval = SUCCESS; 1761 goto out; 1762 } 1763 1764 if (ioc->timeouts < -1) 1765 ioc->timeouts++; 1766 1767 if (mpt_fwfault_debug) 1768 mpt_halt_firmware(ioc); 1769 1770 /* Most important! Set TaskMsgContext to SCpnt's MsgContext! 1771 * (the IO to be ABORT'd) 1772 * 1773 * NOTE: Since we do not byteswap MsgContext, we do not 1774 * swap it here either. It is an opaque cookie to 1775 * the controller, so it does not matter. -DaveM 1776 */ 1777 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx); 1778 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext; 1779 retval = mptscsih_IssueTaskMgmt(hd, 1780 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, 1781 vdevice->vtarget->channel, 1782 vdevice->vtarget->id, vdevice->lun, 1783 ctx2abort, mptscsih_get_tm_timeout(ioc)); 1784 1785 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) { 1786 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1787 "task abort: command still in active list! (sc=%p)\n", 1788 ioc->name, SCpnt)); 1789 retval = FAILED; 1790 } else { 1791 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1792 "task abort: command cleared from active list! (sc=%p)\n", 1793 ioc->name, SCpnt)); 1794 retval = SUCCESS; 1795 } 1796 1797 out: 1798 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n", 1799 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval, 1800 SCpnt); 1801 1802 return retval; 1803 } 1804 1805 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1806 /** 1807 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant 1808 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1809 * 1810 * (linux scsi_host_template.eh_dev_reset_handler routine) 1811 * 1812 * Returns SUCCESS or FAILED. 1813 **/ 1814 int 1815 mptscsih_dev_reset(struct scsi_cmnd * SCpnt) 1816 { 1817 MPT_SCSI_HOST *hd; 1818 int retval; 1819 VirtDevice *vdevice; 1820 MPT_ADAPTER *ioc; 1821 1822 /* If we can't locate our host adapter structure, return FAILED status. 1823 */ 1824 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1825 printk(KERN_ERR MYNAM ": target reset: " 1826 "Can't locate host! (sc=%p)\n", SCpnt); 1827 return FAILED; 1828 } 1829 1830 ioc = hd->ioc; 1831 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n", 1832 ioc->name, SCpnt); 1833 scsi_print_command(SCpnt); 1834 1835 vdevice = SCpnt->device->hostdata; 1836 if (!vdevice || !vdevice->vtarget) { 1837 retval = 0; 1838 goto out; 1839 } 1840 1841 /* Target reset to hidden raid component is not supported 1842 */ 1843 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) { 1844 retval = FAILED; 1845 goto out; 1846 } 1847 1848 retval = mptscsih_IssueTaskMgmt(hd, 1849 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 1850 vdevice->vtarget->channel, 1851 vdevice->vtarget->id, 0, 0, 1852 mptscsih_get_tm_timeout(ioc)); 1853 1854 out: 1855 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n", 1856 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1857 1858 if (retval == 0) 1859 return SUCCESS; 1860 else 1861 return FAILED; 1862 } 1863 1864 1865 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1866 /** 1867 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant 1868 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1869 * 1870 * (linux scsi_host_template.eh_bus_reset_handler routine) 1871 * 1872 * Returns SUCCESS or FAILED. 1873 **/ 1874 int 1875 mptscsih_bus_reset(struct scsi_cmnd * SCpnt) 1876 { 1877 MPT_SCSI_HOST *hd; 1878 int retval; 1879 VirtDevice *vdevice; 1880 MPT_ADAPTER *ioc; 1881 1882 /* If we can't locate our host adapter structure, return FAILED status. 1883 */ 1884 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1885 printk(KERN_ERR MYNAM ": bus reset: " 1886 "Can't locate host! (sc=%p)\n", SCpnt); 1887 return FAILED; 1888 } 1889 1890 ioc = hd->ioc; 1891 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n", 1892 ioc->name, SCpnt); 1893 scsi_print_command(SCpnt); 1894 1895 if (ioc->timeouts < -1) 1896 ioc->timeouts++; 1897 1898 vdevice = SCpnt->device->hostdata; 1899 if (!vdevice || !vdevice->vtarget) 1900 return SUCCESS; 1901 retval = mptscsih_IssueTaskMgmt(hd, 1902 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, 1903 vdevice->vtarget->channel, 0, 0, 0, 1904 mptscsih_get_tm_timeout(ioc)); 1905 1906 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n", 1907 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1908 1909 if (retval == 0) 1910 return SUCCESS; 1911 else 1912 return FAILED; 1913 } 1914 1915 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1916 /** 1917 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant) 1918 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1919 * 1920 * (linux scsi_host_template.eh_host_reset_handler routine) 1921 * 1922 * Returns SUCCESS or FAILED. 1923 */ 1924 int 1925 mptscsih_host_reset(struct scsi_cmnd *SCpnt) 1926 { 1927 MPT_SCSI_HOST * hd; 1928 int status = SUCCESS; 1929 MPT_ADAPTER *ioc; 1930 int retval; 1931 1932 /* If we can't locate the host to reset, then we failed. */ 1933 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1934 printk(KERN_ERR MYNAM ": host reset: " 1935 "Can't locate host! (sc=%p)\n", SCpnt); 1936 return FAILED; 1937 } 1938 1939 /* make sure we have no outstanding commands at this stage */ 1940 mptscsih_flush_running_cmds(hd); 1941 1942 ioc = hd->ioc; 1943 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n", 1944 ioc->name, SCpnt); 1945 1946 /* If our attempts to reset the host failed, then return a failed 1947 * status. The host will be taken off line by the SCSI mid-layer. 1948 */ 1949 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 1950 if (retval < 0) 1951 status = FAILED; 1952 else 1953 status = SUCCESS; 1954 1955 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n", 1956 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1957 1958 return status; 1959 } 1960 1961 static int 1962 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type, 1963 SCSITaskMgmtReply_t *pScsiTmReply) 1964 { 1965 u16 iocstatus; 1966 u32 termination_count; 1967 int retval; 1968 1969 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { 1970 retval = FAILED; 1971 goto out; 1972 } 1973 1974 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply); 1975 1976 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK; 1977 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount); 1978 1979 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1980 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n" 1981 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n" 1982 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus, 1983 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus), 1984 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode, 1985 termination_count)); 1986 1987 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 && 1988 pScsiTmReply->ResponseCode) 1989 mptscsih_taskmgmt_response_code(ioc, 1990 pScsiTmReply->ResponseCode); 1991 1992 if (iocstatus == MPI_IOCSTATUS_SUCCESS) { 1993 retval = 0; 1994 goto out; 1995 } 1996 1997 retval = FAILED; 1998 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) { 1999 if (termination_count == 1) 2000 retval = 0; 2001 goto out; 2002 } 2003 2004 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED || 2005 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED) 2006 retval = 0; 2007 2008 out: 2009 return retval; 2010 } 2011 2012 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2013 void 2014 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code) 2015 { 2016 char *desc; 2017 2018 switch (response_code) { 2019 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE: 2020 desc = "The task completed."; 2021 break; 2022 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME: 2023 desc = "The IOC received an invalid frame status."; 2024 break; 2025 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: 2026 desc = "The task type is not supported."; 2027 break; 2028 case MPI_SCSITASKMGMT_RSP_TM_FAILED: 2029 desc = "The requested task failed."; 2030 break; 2031 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED: 2032 desc = "The task completed successfully."; 2033 break; 2034 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN: 2035 desc = "The LUN request is invalid."; 2036 break; 2037 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: 2038 desc = "The task is in the IOC queue and has not been sent to target."; 2039 break; 2040 default: 2041 desc = "unknown"; 2042 break; 2043 } 2044 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n", 2045 ioc->name, response_code, desc); 2046 } 2047 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code); 2048 2049 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2050 /** 2051 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver 2052 * @ioc: Pointer to MPT_ADAPTER structure 2053 * @mf: Pointer to SCSI task mgmt request frame 2054 * @mr: Pointer to SCSI task mgmt reply frame 2055 * 2056 * This routine is called from mptbase.c::mpt_interrupt() at the completion 2057 * of any SCSI task management request. 2058 * This routine is registered with the MPT (base) driver at driver 2059 * load/init time via the mpt_register() API call. 2060 * 2061 * Returns 1 indicating alloc'd request frame ptr should be freed. 2062 **/ 2063 int 2064 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, 2065 MPT_FRAME_HDR *mr) 2066 { 2067 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2068 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr)); 2069 2070 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 2071 2072 if (!mr) 2073 goto out; 2074 2075 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID; 2076 memcpy(ioc->taskmgmt_cmds.reply, mr, 2077 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength)); 2078 out: 2079 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) { 2080 mpt_clear_taskmgmt_in_progress_flag(ioc); 2081 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 2082 complete(&ioc->taskmgmt_cmds.done); 2083 if (ioc->bus_type == SAS) 2084 ioc->schedule_target_reset(ioc); 2085 return 1; 2086 } 2087 return 0; 2088 } 2089 2090 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2091 /* 2092 * This is anyones guess quite frankly. 2093 */ 2094 int 2095 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev, 2096 sector_t capacity, int geom[]) 2097 { 2098 int heads; 2099 int sectors; 2100 sector_t cylinders; 2101 ulong dummy; 2102 2103 heads = 64; 2104 sectors = 32; 2105 2106 dummy = heads * sectors; 2107 cylinders = capacity; 2108 sector_div(cylinders,dummy); 2109 2110 /* 2111 * Handle extended translation size for logical drives 2112 * > 1Gb 2113 */ 2114 if ((ulong)capacity >= 0x200000) { 2115 heads = 255; 2116 sectors = 63; 2117 dummy = heads * sectors; 2118 cylinders = capacity; 2119 sector_div(cylinders,dummy); 2120 } 2121 2122 /* return result */ 2123 geom[0] = heads; 2124 geom[1] = sectors; 2125 geom[2] = cylinders; 2126 2127 return 0; 2128 } 2129 2130 /* Search IOC page 3 to determine if this is hidden physical disk 2131 * 2132 */ 2133 int 2134 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id) 2135 { 2136 struct inactive_raid_component_info *component_info; 2137 int i, j; 2138 RaidPhysDiskPage1_t *phys_disk; 2139 int rc = 0; 2140 int num_paths; 2141 2142 if (!ioc->raid_data.pIocPg3) 2143 goto out; 2144 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2145 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) && 2146 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) { 2147 rc = 1; 2148 goto out; 2149 } 2150 } 2151 2152 if (ioc->bus_type != SAS) 2153 goto out; 2154 2155 /* 2156 * Check if dual path 2157 */ 2158 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2159 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, 2160 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum); 2161 if (num_paths < 2) 2162 continue; 2163 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) + 2164 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL); 2165 if (!phys_disk) 2166 continue; 2167 if ((mpt_raid_phys_disk_pg1(ioc, 2168 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum, 2169 phys_disk))) { 2170 kfree(phys_disk); 2171 continue; 2172 } 2173 for (j = 0; j < num_paths; j++) { 2174 if ((phys_disk->Path[j].Flags & 2175 MPI_RAID_PHYSDISK1_FLAG_INVALID)) 2176 continue; 2177 if ((phys_disk->Path[j].Flags & 2178 MPI_RAID_PHYSDISK1_FLAG_BROKEN)) 2179 continue; 2180 if ((id == phys_disk->Path[j].PhysDiskID) && 2181 (channel == phys_disk->Path[j].PhysDiskBus)) { 2182 rc = 1; 2183 kfree(phys_disk); 2184 goto out; 2185 } 2186 } 2187 kfree(phys_disk); 2188 } 2189 2190 2191 /* 2192 * Check inactive list for matching phys disks 2193 */ 2194 if (list_empty(&ioc->raid_data.inactive_list)) 2195 goto out; 2196 2197 mutex_lock(&ioc->raid_data.inactive_list_mutex); 2198 list_for_each_entry(component_info, &ioc->raid_data.inactive_list, 2199 list) { 2200 if ((component_info->d.PhysDiskID == id) && 2201 (component_info->d.PhysDiskBus == channel)) 2202 rc = 1; 2203 } 2204 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 2205 2206 out: 2207 return rc; 2208 } 2209 EXPORT_SYMBOL(mptscsih_is_phys_disk); 2210 2211 u8 2212 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id) 2213 { 2214 struct inactive_raid_component_info *component_info; 2215 int i, j; 2216 RaidPhysDiskPage1_t *phys_disk; 2217 int rc = -ENXIO; 2218 int num_paths; 2219 2220 if (!ioc->raid_data.pIocPg3) 2221 goto out; 2222 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2223 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) && 2224 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) { 2225 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum; 2226 goto out; 2227 } 2228 } 2229 2230 if (ioc->bus_type != SAS) 2231 goto out; 2232 2233 /* 2234 * Check if dual path 2235 */ 2236 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2237 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, 2238 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum); 2239 if (num_paths < 2) 2240 continue; 2241 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) + 2242 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL); 2243 if (!phys_disk) 2244 continue; 2245 if ((mpt_raid_phys_disk_pg1(ioc, 2246 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum, 2247 phys_disk))) { 2248 kfree(phys_disk); 2249 continue; 2250 } 2251 for (j = 0; j < num_paths; j++) { 2252 if ((phys_disk->Path[j].Flags & 2253 MPI_RAID_PHYSDISK1_FLAG_INVALID)) 2254 continue; 2255 if ((phys_disk->Path[j].Flags & 2256 MPI_RAID_PHYSDISK1_FLAG_BROKEN)) 2257 continue; 2258 if ((id == phys_disk->Path[j].PhysDiskID) && 2259 (channel == phys_disk->Path[j].PhysDiskBus)) { 2260 rc = phys_disk->PhysDiskNum; 2261 kfree(phys_disk); 2262 goto out; 2263 } 2264 } 2265 kfree(phys_disk); 2266 } 2267 2268 /* 2269 * Check inactive list for matching phys disks 2270 */ 2271 if (list_empty(&ioc->raid_data.inactive_list)) 2272 goto out; 2273 2274 mutex_lock(&ioc->raid_data.inactive_list_mutex); 2275 list_for_each_entry(component_info, &ioc->raid_data.inactive_list, 2276 list) { 2277 if ((component_info->d.PhysDiskID == id) && 2278 (component_info->d.PhysDiskBus == channel)) 2279 rc = component_info->d.PhysDiskNum; 2280 } 2281 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 2282 2283 out: 2284 return rc; 2285 } 2286 EXPORT_SYMBOL(mptscsih_raid_id_to_num); 2287 2288 /* 2289 * OS entry point to allow for host driver to free allocated memory 2290 * Called if no device present or device being unloaded 2291 */ 2292 void 2293 mptscsih_slave_destroy(struct scsi_device *sdev) 2294 { 2295 struct Scsi_Host *host = sdev->host; 2296 MPT_SCSI_HOST *hd = shost_priv(host); 2297 VirtTarget *vtarget; 2298 VirtDevice *vdevice; 2299 struct scsi_target *starget; 2300 2301 starget = scsi_target(sdev); 2302 vtarget = starget->hostdata; 2303 vdevice = sdev->hostdata; 2304 if (!vdevice) 2305 return; 2306 2307 mptscsih_search_running_cmds(hd, vdevice); 2308 vtarget->num_luns--; 2309 mptscsih_synchronize_cache(hd, vdevice); 2310 kfree(vdevice); 2311 sdev->hostdata = NULL; 2312 } 2313 2314 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2315 /* 2316 * mptscsih_change_queue_depth - This function will set a devices queue depth 2317 * @sdev: per scsi_device pointer 2318 * @qdepth: requested queue depth 2319 * @reason: calling context 2320 * 2321 * Adding support for new 'change_queue_depth' api. 2322 */ 2323 int 2324 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) 2325 { 2326 MPT_SCSI_HOST *hd = shost_priv(sdev->host); 2327 VirtTarget *vtarget; 2328 struct scsi_target *starget; 2329 int max_depth; 2330 int tagged; 2331 MPT_ADAPTER *ioc = hd->ioc; 2332 2333 starget = scsi_target(sdev); 2334 vtarget = starget->hostdata; 2335 2336 if (reason != SCSI_QDEPTH_DEFAULT) 2337 return -EOPNOTSUPP; 2338 2339 if (ioc->bus_type == SPI) { 2340 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)) 2341 max_depth = 1; 2342 else if (sdev->type == TYPE_DISK && 2343 vtarget->minSyncFactor <= MPT_ULTRA160) 2344 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH; 2345 else 2346 max_depth = MPT_SCSI_CMD_PER_DEV_LOW; 2347 } else 2348 max_depth = ioc->sh->can_queue; 2349 2350 if (!sdev->tagged_supported) 2351 max_depth = 1; 2352 2353 if (qdepth > max_depth) 2354 qdepth = max_depth; 2355 if (qdepth == 1) 2356 tagged = 0; 2357 else 2358 tagged = MSG_SIMPLE_TAG; 2359 2360 scsi_adjust_queue_depth(sdev, tagged, qdepth); 2361 return sdev->queue_depth; 2362 } 2363 2364 /* 2365 * OS entry point to adjust the queue_depths on a per-device basis. 2366 * Called once per device the bus scan. Use it to force the queue_depth 2367 * member to 1 if a device does not support Q tags. 2368 * Return non-zero if fails. 2369 */ 2370 int 2371 mptscsih_slave_configure(struct scsi_device *sdev) 2372 { 2373 struct Scsi_Host *sh = sdev->host; 2374 VirtTarget *vtarget; 2375 VirtDevice *vdevice; 2376 struct scsi_target *starget; 2377 MPT_SCSI_HOST *hd = shost_priv(sh); 2378 MPT_ADAPTER *ioc = hd->ioc; 2379 2380 starget = scsi_target(sdev); 2381 vtarget = starget->hostdata; 2382 vdevice = sdev->hostdata; 2383 2384 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2385 "device @ %p, channel=%d, id=%d, lun=%d\n", 2386 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun)); 2387 if (ioc->bus_type == SPI) 2388 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2389 "sdtr %d wdtr %d ppr %d inq length=%d\n", 2390 ioc->name, sdev->sdtr, sdev->wdtr, 2391 sdev->ppr, sdev->inquiry_len)); 2392 2393 vdevice->configured_lun = 1; 2394 2395 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2396 "Queue depth=%d, tflags=%x\n", 2397 ioc->name, sdev->queue_depth, vtarget->tflags)); 2398 2399 if (ioc->bus_type == SPI) 2400 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2401 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n", 2402 ioc->name, vtarget->negoFlags, vtarget->maxOffset, 2403 vtarget->minSyncFactor)); 2404 2405 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH, 2406 SCSI_QDEPTH_DEFAULT); 2407 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2408 "tagged %d, simple %d, ordered %d\n", 2409 ioc->name,sdev->tagged_supported, sdev->simple_tags, 2410 sdev->ordered_tags)); 2411 2412 blk_queue_dma_alignment (sdev->request_queue, 512 - 1); 2413 2414 return 0; 2415 } 2416 2417 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2418 /* 2419 * Private routines... 2420 */ 2421 2422 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2423 /* Utility function to copy sense data from the scsi_cmnd buffer 2424 * to the FC and SCSI target structures. 2425 * 2426 */ 2427 static void 2428 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply) 2429 { 2430 VirtDevice *vdevice; 2431 SCSIIORequest_t *pReq; 2432 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount); 2433 MPT_ADAPTER *ioc = hd->ioc; 2434 2435 /* Get target structure 2436 */ 2437 pReq = (SCSIIORequest_t *) mf; 2438 vdevice = sc->device->hostdata; 2439 2440 if (sense_count) { 2441 u8 *sense_data; 2442 int req_index; 2443 2444 /* Copy the sense received into the scsi command block. */ 2445 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 2446 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC)); 2447 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc)); 2448 2449 /* Log SMART data (asc = 0x5D, non-IM case only) if required. 2450 */ 2451 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) { 2452 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) { 2453 int idx; 2454 2455 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE; 2456 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE; 2457 ioc->events[idx].eventContext = ioc->eventContext; 2458 2459 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) | 2460 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) | 2461 (sc->device->channel << 8) | sc->device->id; 2462 2463 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12]; 2464 2465 ioc->eventContext++; 2466 if (ioc->pcidev->vendor == 2467 PCI_VENDOR_ID_IBM) { 2468 mptscsih_issue_sep_command(ioc, 2469 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); 2470 vdevice->vtarget->tflags |= 2471 MPT_TARGET_FLAGS_LED_ON; 2472 } 2473 } 2474 } 2475 } else { 2476 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n", 2477 ioc->name)); 2478 } 2479 } 2480 2481 /** 2482 * mptscsih_get_scsi_lookup - retrieves scmd entry 2483 * @ioc: Pointer to MPT_ADAPTER structure 2484 * @i: index into the array 2485 * 2486 * Returns the scsi_cmd pointer 2487 */ 2488 struct scsi_cmnd * 2489 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i) 2490 { 2491 unsigned long flags; 2492 struct scsi_cmnd *scmd; 2493 2494 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2495 scmd = ioc->ScsiLookup[i]; 2496 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2497 2498 return scmd; 2499 } 2500 EXPORT_SYMBOL(mptscsih_get_scsi_lookup); 2501 2502 /** 2503 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list 2504 * @ioc: Pointer to MPT_ADAPTER structure 2505 * @i: index into the array 2506 * 2507 * Returns the scsi_cmd pointer 2508 * 2509 **/ 2510 static struct scsi_cmnd * 2511 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i) 2512 { 2513 unsigned long flags; 2514 struct scsi_cmnd *scmd; 2515 2516 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2517 scmd = ioc->ScsiLookup[i]; 2518 ioc->ScsiLookup[i] = NULL; 2519 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2520 2521 return scmd; 2522 } 2523 2524 /** 2525 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list 2526 * 2527 * @ioc: Pointer to MPT_ADAPTER structure 2528 * @i: index into the array 2529 * @scmd: scsi_cmnd pointer 2530 * 2531 **/ 2532 static void 2533 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd) 2534 { 2535 unsigned long flags; 2536 2537 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2538 ioc->ScsiLookup[i] = scmd; 2539 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2540 } 2541 2542 /** 2543 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list 2544 * @ioc: Pointer to MPT_ADAPTER structure 2545 * @sc: scsi_cmnd pointer 2546 */ 2547 static int 2548 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc) 2549 { 2550 unsigned long flags; 2551 int i, index=-1; 2552 2553 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2554 for (i = 0; i < ioc->req_depth; i++) { 2555 if (ioc->ScsiLookup[i] == sc) { 2556 index = i; 2557 goto out; 2558 } 2559 } 2560 2561 out: 2562 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2563 return index; 2564 } 2565 2566 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2567 int 2568 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) 2569 { 2570 MPT_SCSI_HOST *hd; 2571 2572 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL) 2573 return 0; 2574 2575 hd = shost_priv(ioc->sh); 2576 switch (reset_phase) { 2577 case MPT_IOC_SETUP_RESET: 2578 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2579 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__)); 2580 break; 2581 case MPT_IOC_PRE_RESET: 2582 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2583 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__)); 2584 mptscsih_flush_running_cmds(hd); 2585 break; 2586 case MPT_IOC_POST_RESET: 2587 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2588 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__)); 2589 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) { 2590 ioc->internal_cmds.status |= 2591 MPT_MGMT_STATUS_DID_IOCRESET; 2592 complete(&ioc->internal_cmds.done); 2593 } 2594 break; 2595 default: 2596 break; 2597 } 2598 return 1; /* currently means nothing really */ 2599 } 2600 2601 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2602 int 2603 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) 2604 { 2605 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; 2606 2607 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2608 "MPT event (=%02Xh) routed to SCSI host driver!\n", 2609 ioc->name, event)); 2610 2611 if ((event == MPI_EVENT_IOC_BUS_RESET || 2612 event == MPI_EVENT_EXT_BUS_RESET) && 2613 (ioc->bus_type == SPI) && (ioc->soft_resets < -1)) 2614 ioc->soft_resets++; 2615 2616 return 1; /* currently means nothing really */ 2617 } 2618 2619 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2620 /* 2621 * Bus Scan and Domain Validation functionality ... 2622 */ 2623 2624 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2625 /* 2626 * mptscsih_scandv_complete - Scan and DV callback routine registered 2627 * to Fustion MPT (base) driver. 2628 * 2629 * @ioc: Pointer to MPT_ADAPTER structure 2630 * @mf: Pointer to original MPT request frame 2631 * @mr: Pointer to MPT reply frame (NULL if TurboReply) 2632 * 2633 * This routine is called from mpt.c::mpt_interrupt() at the completion 2634 * of any SCSI IO request. 2635 * This routine is registered with the Fusion MPT (base) driver at driver 2636 * load/init time via the mpt_register() API call. 2637 * 2638 * Returns 1 indicating alloc'd request frame ptr should be freed. 2639 * 2640 * Remark: Sets a completion code and (possibly) saves sense data 2641 * in the IOC member localReply structure. 2642 * Used ONLY for DV and other internal commands. 2643 */ 2644 int 2645 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, 2646 MPT_FRAME_HDR *reply) 2647 { 2648 SCSIIORequest_t *pReq; 2649 SCSIIOReply_t *pReply; 2650 u8 cmd; 2651 u16 req_idx; 2652 u8 *sense_data; 2653 int sz; 2654 2655 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 2656 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD; 2657 if (!reply) 2658 goto out; 2659 2660 pReply = (SCSIIOReply_t *) reply; 2661 pReq = (SCSIIORequest_t *) req; 2662 ioc->internal_cmds.completion_code = 2663 mptscsih_get_completion_code(ioc, req, reply); 2664 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID; 2665 memcpy(ioc->internal_cmds.reply, reply, 2666 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength)); 2667 cmd = reply->u.hdr.Function; 2668 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) || 2669 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) && 2670 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) { 2671 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx); 2672 sense_data = ((u8 *)ioc->sense_buf_pool + 2673 (req_idx * MPT_SENSE_BUFFER_ALLOC)); 2674 sz = min_t(int, pReq->SenseBufferLength, 2675 MPT_SENSE_BUFFER_ALLOC); 2676 memcpy(ioc->internal_cmds.sense, sense_data, sz); 2677 } 2678 out: 2679 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING)) 2680 return 0; 2681 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 2682 complete(&ioc->internal_cmds.done); 2683 return 1; 2684 } 2685 2686 2687 /** 2688 * mptscsih_get_completion_code - get completion code from MPT request 2689 * @ioc: Pointer to MPT_ADAPTER structure 2690 * @req: Pointer to original MPT request frame 2691 * @reply: Pointer to MPT reply frame (NULL if TurboReply) 2692 * 2693 **/ 2694 static int 2695 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, 2696 MPT_FRAME_HDR *reply) 2697 { 2698 SCSIIOReply_t *pReply; 2699 MpiRaidActionReply_t *pr; 2700 u8 scsi_status; 2701 u16 status; 2702 int completion_code; 2703 2704 pReply = (SCSIIOReply_t *)reply; 2705 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK; 2706 scsi_status = pReply->SCSIStatus; 2707 2708 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2709 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh," 2710 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState, 2711 scsi_status, le32_to_cpu(pReply->IOCLogInfo))); 2712 2713 switch (status) { 2714 2715 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ 2716 completion_code = MPT_SCANDV_SELECTION_TIMEOUT; 2717 break; 2718 2719 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ 2720 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ 2721 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ 2722 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ 2723 completion_code = MPT_SCANDV_DID_RESET; 2724 break; 2725 2726 case MPI_IOCSTATUS_BUSY: 2727 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: 2728 completion_code = MPT_SCANDV_BUSY; 2729 break; 2730 2731 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ 2732 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ 2733 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ 2734 if (pReply->Function == MPI_FUNCTION_CONFIG) { 2735 completion_code = MPT_SCANDV_GOOD; 2736 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) { 2737 pr = (MpiRaidActionReply_t *)reply; 2738 if (le16_to_cpu(pr->ActionStatus) == 2739 MPI_RAID_ACTION_ASTATUS_SUCCESS) 2740 completion_code = MPT_SCANDV_GOOD; 2741 else 2742 completion_code = MPT_SCANDV_SOME_ERROR; 2743 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) 2744 completion_code = MPT_SCANDV_SENSE; 2745 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) { 2746 if (req->u.scsireq.CDB[0] == INQUIRY) 2747 completion_code = MPT_SCANDV_ISSUE_SENSE; 2748 else 2749 completion_code = MPT_SCANDV_DID_RESET; 2750 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS) 2751 completion_code = MPT_SCANDV_DID_RESET; 2752 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) 2753 completion_code = MPT_SCANDV_DID_RESET; 2754 else if (scsi_status == MPI_SCSI_STATUS_BUSY) 2755 completion_code = MPT_SCANDV_BUSY; 2756 else 2757 completion_code = MPT_SCANDV_GOOD; 2758 break; 2759 2760 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ 2761 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) 2762 completion_code = MPT_SCANDV_DID_RESET; 2763 else 2764 completion_code = MPT_SCANDV_SOME_ERROR; 2765 break; 2766 default: 2767 completion_code = MPT_SCANDV_SOME_ERROR; 2768 break; 2769 2770 } /* switch(status) */ 2771 2772 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2773 " completionCode set to %08xh\n", ioc->name, completion_code)); 2774 return completion_code; 2775 } 2776 2777 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2778 /** 2779 * mptscsih_do_cmd - Do internal command. 2780 * @hd: MPT_SCSI_HOST pointer 2781 * @io: INTERNAL_CMD pointer. 2782 * 2783 * Issue the specified internally generated command and do command 2784 * specific cleanup. For bus scan / DV only. 2785 * NOTES: If command is Inquiry and status is good, 2786 * initialize a target structure, save the data 2787 * 2788 * Remark: Single threaded access only. 2789 * 2790 * Return: 2791 * < 0 if an illegal command or no resources 2792 * 2793 * 0 if good 2794 * 2795 * > 0 if command complete but some type of completion error. 2796 */ 2797 static int 2798 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io) 2799 { 2800 MPT_FRAME_HDR *mf; 2801 SCSIIORequest_t *pScsiReq; 2802 int my_idx, ii, dir; 2803 int timeout; 2804 char cmdLen; 2805 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; 2806 u8 cmd = io->cmd; 2807 MPT_ADAPTER *ioc = hd->ioc; 2808 int ret = 0; 2809 unsigned long timeleft; 2810 unsigned long flags; 2811 2812 /* don't send internal command during diag reset */ 2813 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 2814 if (ioc->ioc_reset_in_progress) { 2815 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 2816 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2817 "%s: busy with host reset\n", ioc->name, __func__)); 2818 return MPT_SCANDV_BUSY; 2819 } 2820 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 2821 2822 mutex_lock(&ioc->internal_cmds.mutex); 2823 2824 /* Set command specific information 2825 */ 2826 switch (cmd) { 2827 case INQUIRY: 2828 cmdLen = 6; 2829 dir = MPI_SCSIIO_CONTROL_READ; 2830 CDB[0] = cmd; 2831 CDB[4] = io->size; 2832 timeout = 10; 2833 break; 2834 2835 case TEST_UNIT_READY: 2836 cmdLen = 6; 2837 dir = MPI_SCSIIO_CONTROL_READ; 2838 timeout = 10; 2839 break; 2840 2841 case START_STOP: 2842 cmdLen = 6; 2843 dir = MPI_SCSIIO_CONTROL_READ; 2844 CDB[0] = cmd; 2845 CDB[4] = 1; /*Spin up the disk */ 2846 timeout = 15; 2847 break; 2848 2849 case REQUEST_SENSE: 2850 cmdLen = 6; 2851 CDB[0] = cmd; 2852 CDB[4] = io->size; 2853 dir = MPI_SCSIIO_CONTROL_READ; 2854 timeout = 10; 2855 break; 2856 2857 case READ_BUFFER: 2858 cmdLen = 10; 2859 dir = MPI_SCSIIO_CONTROL_READ; 2860 CDB[0] = cmd; 2861 if (io->flags & MPT_ICFLAG_ECHO) { 2862 CDB[1] = 0x0A; 2863 } else { 2864 CDB[1] = 0x02; 2865 } 2866 2867 if (io->flags & MPT_ICFLAG_BUF_CAP) { 2868 CDB[1] |= 0x01; 2869 } 2870 CDB[6] = (io->size >> 16) & 0xFF; 2871 CDB[7] = (io->size >> 8) & 0xFF; 2872 CDB[8] = io->size & 0xFF; 2873 timeout = 10; 2874 break; 2875 2876 case WRITE_BUFFER: 2877 cmdLen = 10; 2878 dir = MPI_SCSIIO_CONTROL_WRITE; 2879 CDB[0] = cmd; 2880 if (io->flags & MPT_ICFLAG_ECHO) { 2881 CDB[1] = 0x0A; 2882 } else { 2883 CDB[1] = 0x02; 2884 } 2885 CDB[6] = (io->size >> 16) & 0xFF; 2886 CDB[7] = (io->size >> 8) & 0xFF; 2887 CDB[8] = io->size & 0xFF; 2888 timeout = 10; 2889 break; 2890 2891 case RESERVE: 2892 cmdLen = 6; 2893 dir = MPI_SCSIIO_CONTROL_READ; 2894 CDB[0] = cmd; 2895 timeout = 10; 2896 break; 2897 2898 case RELEASE: 2899 cmdLen = 6; 2900 dir = MPI_SCSIIO_CONTROL_READ; 2901 CDB[0] = cmd; 2902 timeout = 10; 2903 break; 2904 2905 case SYNCHRONIZE_CACHE: 2906 cmdLen = 10; 2907 dir = MPI_SCSIIO_CONTROL_READ; 2908 CDB[0] = cmd; 2909 // CDB[1] = 0x02; /* set immediate bit */ 2910 timeout = 10; 2911 break; 2912 2913 default: 2914 /* Error Case */ 2915 ret = -EFAULT; 2916 goto out; 2917 } 2918 2919 /* Get and Populate a free Frame 2920 * MsgContext set in mpt_get_msg_frame call 2921 */ 2922 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) { 2923 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n", 2924 ioc->name, __func__)); 2925 ret = MPT_SCANDV_BUSY; 2926 goto out; 2927 } 2928 2929 pScsiReq = (SCSIIORequest_t *) mf; 2930 2931 /* Get the request index */ 2932 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 2933 ADD_INDEX_LOG(my_idx); /* for debug */ 2934 2935 if (io->flags & MPT_ICFLAG_PHYS_DISK) { 2936 pScsiReq->TargetID = io->physDiskNum; 2937 pScsiReq->Bus = 0; 2938 pScsiReq->ChainOffset = 0; 2939 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 2940 } else { 2941 pScsiReq->TargetID = io->id; 2942 pScsiReq->Bus = io->channel; 2943 pScsiReq->ChainOffset = 0; 2944 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 2945 } 2946 2947 pScsiReq->CDBLength = cmdLen; 2948 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 2949 2950 pScsiReq->Reserved = 0; 2951 2952 pScsiReq->MsgFlags = mpt_msg_flags(ioc); 2953 /* MsgContext set in mpt_get_msg_fram call */ 2954 2955 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN); 2956 2957 if (io->flags & MPT_ICFLAG_TAGGED_CMD) 2958 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ); 2959 else 2960 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); 2961 2962 if (cmd == REQUEST_SENSE) { 2963 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); 2964 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2965 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd)); 2966 } 2967 2968 for (ii = 0; ii < 16; ii++) 2969 pScsiReq->CDB[ii] = CDB[ii]; 2970 2971 pScsiReq->DataLength = cpu_to_le32(io->size); 2972 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma 2973 + (my_idx * MPT_SENSE_BUFFER_ALLOC)); 2974 2975 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2976 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n", 2977 ioc->name, __func__, cmd, io->channel, io->id, io->lun)); 2978 2979 if (dir == MPI_SCSIIO_CONTROL_READ) 2980 ioc->add_sge((char *) &pScsiReq->SGL, 2981 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma); 2982 else 2983 ioc->add_sge((char *) &pScsiReq->SGL, 2984 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma); 2985 2986 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status) 2987 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf); 2988 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done, 2989 timeout*HZ); 2990 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 2991 ret = MPT_SCANDV_DID_RESET; 2992 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2993 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__, 2994 cmd)); 2995 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { 2996 mpt_free_msg_frame(ioc, mf); 2997 goto out; 2998 } 2999 if (!timeleft) { 3000 printk(MYIOC_s_WARN_FMT 3001 "Issuing Reset from %s!! doorbell=0x%08xh" 3002 " cmd=0x%02x\n", 3003 ioc->name, __func__, mpt_GetIocState(ioc, 0), 3004 cmd); 3005 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 3006 mpt_free_msg_frame(ioc, mf); 3007 } 3008 goto out; 3009 } 3010 3011 ret = ioc->internal_cmds.completion_code; 3012 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n", 3013 ioc->name, __func__, ret)); 3014 3015 out: 3016 CLEAR_MGMT_STATUS(ioc->internal_cmds.status) 3017 mutex_unlock(&ioc->internal_cmds.mutex); 3018 return ret; 3019 } 3020 3021 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3022 /** 3023 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks. 3024 * @hd: Pointer to a SCSI HOST structure 3025 * @vdevice: virtual target device 3026 * 3027 * Uses the ISR, but with special processing. 3028 * MUST be single-threaded. 3029 * 3030 */ 3031 static void 3032 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice) 3033 { 3034 INTERNAL_CMD iocmd; 3035 3036 /* Ignore hidden raid components, this is handled when the command 3037 * is sent to the volume 3038 */ 3039 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 3040 return; 3041 3042 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted || 3043 !vdevice->configured_lun) 3044 return; 3045 3046 /* Following parameters will not change 3047 * in this routine. 3048 */ 3049 iocmd.cmd = SYNCHRONIZE_CACHE; 3050 iocmd.flags = 0; 3051 iocmd.physDiskNum = -1; 3052 iocmd.data = NULL; 3053 iocmd.data_dma = -1; 3054 iocmd.size = 0; 3055 iocmd.rsvd = iocmd.rsvd2 = 0; 3056 iocmd.channel = vdevice->vtarget->channel; 3057 iocmd.id = vdevice->vtarget->id; 3058 iocmd.lun = vdevice->lun; 3059 3060 mptscsih_do_cmd(hd, &iocmd); 3061 } 3062 3063 static ssize_t 3064 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr, 3065 char *buf) 3066 { 3067 struct Scsi_Host *host = class_to_shost(dev); 3068 MPT_SCSI_HOST *hd = shost_priv(host); 3069 MPT_ADAPTER *ioc = hd->ioc; 3070 3071 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", 3072 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, 3073 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, 3074 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, 3075 ioc->facts.FWVersion.Word & 0x000000FF); 3076 } 3077 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL); 3078 3079 static ssize_t 3080 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr, 3081 char *buf) 3082 { 3083 struct Scsi_Host *host = class_to_shost(dev); 3084 MPT_SCSI_HOST *hd = shost_priv(host); 3085 MPT_ADAPTER *ioc = hd->ioc; 3086 3087 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 3088 (ioc->biosVersion & 0xFF000000) >> 24, 3089 (ioc->biosVersion & 0x00FF0000) >> 16, 3090 (ioc->biosVersion & 0x0000FF00) >> 8, 3091 ioc->biosVersion & 0x000000FF); 3092 } 3093 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL); 3094 3095 static ssize_t 3096 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr, 3097 char *buf) 3098 { 3099 struct Scsi_Host *host = class_to_shost(dev); 3100 MPT_SCSI_HOST *hd = shost_priv(host); 3101 MPT_ADAPTER *ioc = hd->ioc; 3102 3103 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion); 3104 } 3105 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL); 3106 3107 static ssize_t 3108 mptscsih_version_product_show(struct device *dev, 3109 struct device_attribute *attr, 3110 char *buf) 3111 { 3112 struct Scsi_Host *host = class_to_shost(dev); 3113 MPT_SCSI_HOST *hd = shost_priv(host); 3114 MPT_ADAPTER *ioc = hd->ioc; 3115 3116 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name); 3117 } 3118 static DEVICE_ATTR(version_product, S_IRUGO, 3119 mptscsih_version_product_show, NULL); 3120 3121 static ssize_t 3122 mptscsih_version_nvdata_persistent_show(struct device *dev, 3123 struct device_attribute *attr, 3124 char *buf) 3125 { 3126 struct Scsi_Host *host = class_to_shost(dev); 3127 MPT_SCSI_HOST *hd = shost_priv(host); 3128 MPT_ADAPTER *ioc = hd->ioc; 3129 3130 return snprintf(buf, PAGE_SIZE, "%02xh\n", 3131 ioc->nvdata_version_persistent); 3132 } 3133 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO, 3134 mptscsih_version_nvdata_persistent_show, NULL); 3135 3136 static ssize_t 3137 mptscsih_version_nvdata_default_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, "%02xh\n",ioc->nvdata_version_default); 3145 } 3146 static DEVICE_ATTR(version_nvdata_default, S_IRUGO, 3147 mptscsih_version_nvdata_default_show, NULL); 3148 3149 static ssize_t 3150 mptscsih_board_name_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_name); 3158 } 3159 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL); 3160 3161 static ssize_t 3162 mptscsih_board_assembly_show(struct device *dev, 3163 struct device_attribute *attr, char *buf) 3164 { 3165 struct Scsi_Host *host = class_to_shost(dev); 3166 MPT_SCSI_HOST *hd = shost_priv(host); 3167 MPT_ADAPTER *ioc = hd->ioc; 3168 3169 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly); 3170 } 3171 static DEVICE_ATTR(board_assembly, S_IRUGO, 3172 mptscsih_board_assembly_show, NULL); 3173 3174 static ssize_t 3175 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr, 3176 char *buf) 3177 { 3178 struct Scsi_Host *host = class_to_shost(dev); 3179 MPT_SCSI_HOST *hd = shost_priv(host); 3180 MPT_ADAPTER *ioc = hd->ioc; 3181 3182 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer); 3183 } 3184 static DEVICE_ATTR(board_tracer, S_IRUGO, 3185 mptscsih_board_tracer_show, NULL); 3186 3187 static ssize_t 3188 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr, 3189 char *buf) 3190 { 3191 struct Scsi_Host *host = class_to_shost(dev); 3192 MPT_SCSI_HOST *hd = shost_priv(host); 3193 MPT_ADAPTER *ioc = hd->ioc; 3194 3195 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay); 3196 } 3197 static DEVICE_ATTR(io_delay, S_IRUGO, 3198 mptscsih_io_delay_show, NULL); 3199 3200 static ssize_t 3201 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr, 3202 char *buf) 3203 { 3204 struct Scsi_Host *host = class_to_shost(dev); 3205 MPT_SCSI_HOST *hd = shost_priv(host); 3206 MPT_ADAPTER *ioc = hd->ioc; 3207 3208 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay); 3209 } 3210 static DEVICE_ATTR(device_delay, S_IRUGO, 3211 mptscsih_device_delay_show, NULL); 3212 3213 static ssize_t 3214 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr, 3215 char *buf) 3216 { 3217 struct Scsi_Host *host = class_to_shost(dev); 3218 MPT_SCSI_HOST *hd = shost_priv(host); 3219 MPT_ADAPTER *ioc = hd->ioc; 3220 3221 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level); 3222 } 3223 static ssize_t 3224 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr, 3225 const char *buf, size_t count) 3226 { 3227 struct Scsi_Host *host = class_to_shost(dev); 3228 MPT_SCSI_HOST *hd = shost_priv(host); 3229 MPT_ADAPTER *ioc = hd->ioc; 3230 int val = 0; 3231 3232 if (sscanf(buf, "%x", &val) != 1) 3233 return -EINVAL; 3234 3235 ioc->debug_level = val; 3236 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n", 3237 ioc->name, ioc->debug_level); 3238 return strlen(buf); 3239 } 3240 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR, 3241 mptscsih_debug_level_show, mptscsih_debug_level_store); 3242 3243 struct device_attribute *mptscsih_host_attrs[] = { 3244 &dev_attr_version_fw, 3245 &dev_attr_version_bios, 3246 &dev_attr_version_mpi, 3247 &dev_attr_version_product, 3248 &dev_attr_version_nvdata_persistent, 3249 &dev_attr_version_nvdata_default, 3250 &dev_attr_board_name, 3251 &dev_attr_board_assembly, 3252 &dev_attr_board_tracer, 3253 &dev_attr_io_delay, 3254 &dev_attr_device_delay, 3255 &dev_attr_debug_level, 3256 NULL, 3257 }; 3258 3259 EXPORT_SYMBOL(mptscsih_host_attrs); 3260 3261 EXPORT_SYMBOL(mptscsih_remove); 3262 EXPORT_SYMBOL(mptscsih_shutdown); 3263 #ifdef CONFIG_PM 3264 EXPORT_SYMBOL(mptscsih_suspend); 3265 EXPORT_SYMBOL(mptscsih_resume); 3266 #endif 3267 EXPORT_SYMBOL(mptscsih_show_info); 3268 EXPORT_SYMBOL(mptscsih_info); 3269 EXPORT_SYMBOL(mptscsih_qcmd); 3270 EXPORT_SYMBOL(mptscsih_slave_destroy); 3271 EXPORT_SYMBOL(mptscsih_slave_configure); 3272 EXPORT_SYMBOL(mptscsih_abort); 3273 EXPORT_SYMBOL(mptscsih_dev_reset); 3274 EXPORT_SYMBOL(mptscsih_bus_reset); 3275 EXPORT_SYMBOL(mptscsih_host_reset); 3276 EXPORT_SYMBOL(mptscsih_bios_param); 3277 EXPORT_SYMBOL(mptscsih_io_done); 3278 EXPORT_SYMBOL(mptscsih_taskmgmt_complete); 3279 EXPORT_SYMBOL(mptscsih_scandv_complete); 3280 EXPORT_SYMBOL(mptscsih_event_process); 3281 EXPORT_SYMBOL(mptscsih_ioc_reset); 3282 EXPORT_SYMBOL(mptscsih_change_queue_depth); 3283 3284 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3285