1/* 2 * linux/drivers/message/fusion/mptscsih.c 3 * For use with LSI PCI chip/adapter(s) 4 * running LSI Fusion MPT (Message Passing Technology) firmware. 5 * 6 * Copyright (c) 1999-2008 LSI Corporation 7 * (mailto:DL-MPTFusionLinux@lsi.com) 8 * 9 */ 10/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 11/* 12 This program is free software; you can redistribute it and/or modify 13 it under the terms of the GNU General Public License as published by 14 the Free Software Foundation; version 2 of the License. 15 16 This program is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 GNU General Public License for more details. 20 21 NO WARRANTY 22 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR 23 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT 24 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, 25 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is 26 solely responsible for determining the appropriateness of using and 27 distributing the Program and assumes all risks associated with its 28 exercise of rights under this Agreement, including but not limited to 29 the risks and costs of program errors, damage to or loss of data, 30 programs or equipment, and unavailability or interruption of operations. 31 32 DISCLAIMER OF LIABILITY 33 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY 34 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 35 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND 36 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 37 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 38 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED 39 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES 40 41 You should have received a copy of the GNU General Public License 42 along with this program; if not, write to the Free Software 43 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 44*/ 45/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 46 47#include <linux/module.h> 48#include <linux/kernel.h> 49#include <linux/slab.h> 50#include <linux/init.h> 51#include <linux/errno.h> 52#include <linux/kdev_t.h> 53#include <linux/blkdev.h> 54#include <linux/delay.h> /* for mdelay */ 55#include <linux/interrupt.h> 56#include <linux/reboot.h> /* notifier code */ 57#include <linux/workqueue.h> 58 59#include <scsi/scsi.h> 60#include <scsi/scsi_cmnd.h> 61#include <scsi/scsi_device.h> 62#include <scsi/scsi_host.h> 63#include <scsi/scsi_tcq.h> 64#include <scsi/scsi_dbg.h> 65 66#include "mptbase.h" 67#include "mptscsih.h" 68#include "lsi/mpi_log_sas.h" 69 70/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 71#define my_NAME "Fusion MPT SCSI Host driver" 72#define my_VERSION MPT_LINUX_VERSION_COMMON 73#define MYNAM "mptscsih" 74 75MODULE_AUTHOR(MODULEAUTHOR); 76MODULE_DESCRIPTION(my_NAME); 77MODULE_LICENSE("GPL"); 78MODULE_VERSION(my_VERSION); 79 80/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 81/* 82 * Other private/forward protos... 83 */ 84struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i); 85static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i); 86static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd); 87static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd); 88int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); 89static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq); 90int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); 91 92static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt, 93 SCSIIORequest_t *pReq, int req_idx); 94static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx); 95static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply); 96 97int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, 98 u64 lun, int ctx2abort, ulong timeout); 99 100int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset); 101int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply); 102 103void 104mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code); 105static int mptscsih_get_completion_code(MPT_ADAPTER *ioc, 106 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply); 107int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); 108static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd); 109static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice); 110 111static int 112mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type, 113 SCSITaskMgmtReply_t *pScsiTmReply); 114void mptscsih_remove(struct pci_dev *); 115void mptscsih_shutdown(struct pci_dev *); 116#ifdef CONFIG_PM 117int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state); 118int mptscsih_resume(struct pci_dev *pdev); 119#endif 120 121 122/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 123/* 124 * mptscsih_getFreeChainBuffer - Function to get a free chain 125 * from the MPT_SCSI_HOST FreeChainQ. 126 * @ioc: Pointer to MPT_ADAPTER structure 127 * @req_idx: Index of the SCSI IO request frame. (output) 128 * 129 * return SUCCESS or FAILED 130 */ 131static inline int 132mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex) 133{ 134 MPT_FRAME_HDR *chainBuf; 135 unsigned long flags; 136 int rc; 137 int chain_idx; 138 139 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n", 140 ioc->name)); 141 spin_lock_irqsave(&ioc->FreeQlock, flags); 142 if (!list_empty(&ioc->FreeChainQ)) { 143 int offset; 144 145 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR, 146 u.frame.linkage.list); 147 list_del(&chainBuf->u.frame.linkage.list); 148 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer; 149 chain_idx = offset / ioc->req_sz; 150 rc = SUCCESS; 151 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT 152 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n", 153 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx)); 154 } else { 155 rc = FAILED; 156 chain_idx = MPT_HOST_NO_CHAIN; 157 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n", 158 ioc->name)); 159 } 160 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 161 162 *retIndex = chain_idx; 163 return rc; 164} /* mptscsih_getFreeChainBuffer() */ 165 166/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 167/* 168 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the 169 * SCSIIORequest_t Message Frame. 170 * @ioc: Pointer to MPT_ADAPTER structure 171 * @SCpnt: Pointer to scsi_cmnd structure 172 * @pReq: Pointer to SCSIIORequest_t structure 173 * 174 * Returns ... 175 */ 176static int 177mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt, 178 SCSIIORequest_t *pReq, int req_idx) 179{ 180 char *psge; 181 char *chainSge; 182 struct scatterlist *sg; 183 int frm_sz; 184 int sges_left, sg_done; 185 int chain_idx = MPT_HOST_NO_CHAIN; 186 int sgeOffset; 187 int numSgeSlots, numSgeThisFrame; 188 u32 sgflags, sgdir, thisxfer = 0; 189 int chain_dma_off = 0; 190 int newIndex; 191 int ii; 192 dma_addr_t v2; 193 u32 RequestNB; 194 195 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK; 196 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) { 197 sgdir = MPT_TRANSFER_HOST_TO_IOC; 198 } else { 199 sgdir = MPT_TRANSFER_IOC_TO_HOST; 200 } 201 202 psge = (char *) &pReq->SGL; 203 frm_sz = ioc->req_sz; 204 205 /* Map the data portion, if any. 206 * sges_left = 0 if no data transfer. 207 */ 208 sges_left = scsi_dma_map(SCpnt); 209 if (sges_left < 0) 210 return FAILED; 211 212 /* Handle the SG case. 213 */ 214 sg = scsi_sglist(SCpnt); 215 sg_done = 0; 216 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION); 217 chainSge = NULL; 218 219 /* Prior to entering this loop - the following must be set 220 * current MF: sgeOffset (bytes) 221 * chainSge (Null if original MF is not a chain buffer) 222 * sg_done (num SGE done for this MF) 223 */ 224 225nextSGEset: 226 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size); 227 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots; 228 229 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir; 230 231 /* Get first (num - 1) SG elements 232 * Skip any SG entries with a length of 0 233 * NOTE: at finish, sg and psge pointed to NEXT data/location positions 234 */ 235 for (ii=0; ii < (numSgeThisFrame-1); ii++) { 236 thisxfer = sg_dma_len(sg); 237 if (thisxfer == 0) { 238 /* Get next SG element from the OS */ 239 sg = sg_next(sg); 240 sg_done++; 241 continue; 242 } 243 244 v2 = sg_dma_address(sg); 245 ioc->add_sge(psge, sgflags | thisxfer, v2); 246 247 /* Get next SG element from the OS */ 248 sg = sg_next(sg); 249 psge += ioc->SGE_size; 250 sgeOffset += ioc->SGE_size; 251 sg_done++; 252 } 253 254 if (numSgeThisFrame == sges_left) { 255 /* Add last element, end of buffer and end of list flags. 256 */ 257 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT | 258 MPT_SGE_FLAGS_END_OF_BUFFER | 259 MPT_SGE_FLAGS_END_OF_LIST; 260 261 /* Add last SGE and set termination flags. 262 * Note: Last SGE may have a length of 0 - which should be ok. 263 */ 264 thisxfer = sg_dma_len(sg); 265 266 v2 = sg_dma_address(sg); 267 ioc->add_sge(psge, sgflags | thisxfer, v2); 268 sgeOffset += ioc->SGE_size; 269 sg_done++; 270 271 if (chainSge) { 272 /* The current buffer is a chain buffer, 273 * but there is not another one. 274 * Update the chain element 275 * Offset and Length fields. 276 */ 277 ioc->add_chain((char *)chainSge, 0, sgeOffset, 278 ioc->ChainBufferDMA + chain_dma_off); 279 } else { 280 /* The current buffer is the original MF 281 * and there is no Chain buffer. 282 */ 283 pReq->ChainOffset = 0; 284 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03; 285 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT 286 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset)); 287 ioc->RequestNB[req_idx] = RequestNB; 288 } 289 } else { 290 /* At least one chain buffer is needed. 291 * Complete the first MF 292 * - last SGE element, set the LastElement bit 293 * - set ChainOffset (words) for orig MF 294 * (OR finish previous MF chain buffer) 295 * - update MFStructPtr ChainIndex 296 * - Populate chain element 297 * Also 298 * Loop until done. 299 */ 300 301 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n", 302 ioc->name, sg_done)); 303 304 /* Set LAST_ELEMENT flag for last non-chain element 305 * in the buffer. Since psge points at the NEXT 306 * SGE element, go back one SGE element, update the flags 307 * and reset the pointer. (Note: sgflags & thisxfer are already 308 * set properly). 309 */ 310 if (sg_done) { 311 u32 *ptmp = (u32 *) (psge - ioc->SGE_size); 312 sgflags = le32_to_cpu(*ptmp); 313 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT; 314 *ptmp = cpu_to_le32(sgflags); 315 } 316 317 if (chainSge) { 318 /* The current buffer is a chain buffer. 319 * chainSge points to the previous Chain Element. 320 * Update its chain element Offset and Length (must 321 * include chain element size) fields. 322 * Old chain element is now complete. 323 */ 324 u8 nextChain = (u8) (sgeOffset >> 2); 325 sgeOffset += ioc->SGE_size; 326 ioc->add_chain((char *)chainSge, nextChain, sgeOffset, 327 ioc->ChainBufferDMA + chain_dma_off); 328 } else { 329 /* The original MF buffer requires a chain buffer - 330 * set the offset. 331 * Last element in this MF is a chain element. 332 */ 333 pReq->ChainOffset = (u8) (sgeOffset >> 2); 334 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03; 335 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset)); 336 ioc->RequestNB[req_idx] = RequestNB; 337 } 338 339 sges_left -= sg_done; 340 341 342 /* NOTE: psge points to the beginning of the chain element 343 * in current buffer. Get a chain buffer. 344 */ 345 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) { 346 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 347 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n", 348 ioc->name, pReq->CDB[0], SCpnt)); 349 return FAILED; 350 } 351 352 /* Update the tracking arrays. 353 * If chainSge == NULL, update ReqToChain, else ChainToChain 354 */ 355 if (chainSge) { 356 ioc->ChainToChain[chain_idx] = newIndex; 357 } else { 358 ioc->ReqToChain[req_idx] = newIndex; 359 } 360 chain_idx = newIndex; 361 chain_dma_off = ioc->req_sz * chain_idx; 362 363 /* Populate the chainSGE for the current buffer. 364 * - Set chain buffer pointer to psge and fill 365 * out the Address and Flags fields. 366 */ 367 chainSge = (char *) psge; 368 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)", 369 ioc->name, psge, req_idx)); 370 371 /* Start the SGE for the next buffer 372 */ 373 psge = (char *) (ioc->ChainBuffer + chain_dma_off); 374 sgeOffset = 0; 375 sg_done = 0; 376 377 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n", 378 ioc->name, psge, chain_idx)); 379 380 /* Start the SGE for the next buffer 381 */ 382 383 goto nextSGEset; 384 } 385 386 return SUCCESS; 387} /* mptscsih_AddSGE() */ 388 389static void 390mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget, 391 U32 SlotStatus) 392{ 393 MPT_FRAME_HDR *mf; 394 SEPRequest_t *SEPMsg; 395 396 if (ioc->bus_type != SAS) 397 return; 398 399 /* Not supported for hidden raid components 400 */ 401 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 402 return; 403 404 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) { 405 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n", 406 ioc->name,__func__)); 407 return; 408 } 409 410 SEPMsg = (SEPRequest_t *)mf; 411 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; 412 SEPMsg->Bus = vtarget->channel; 413 SEPMsg->TargetID = vtarget->id; 414 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS; 415 SEPMsg->SlotStatus = SlotStatus; 416 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 417 "Sending SEP cmd=%x channel=%d id=%d\n", 418 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID)); 419 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); 420} 421 422#ifdef CONFIG_FUSION_LOGGING 423/** 424 * mptscsih_info_scsiio - debug print info on reply frame 425 * @ioc: Pointer to MPT_ADAPTER structure 426 * @sc: original scsi cmnd pointer 427 * @pScsiReply: Pointer to MPT reply frame 428 * 429 * MPT_DEBUG_REPLY needs to be enabled to obtain this info 430 * 431 * Refer to lsi/mpi.h. 432 **/ 433static void 434mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply) 435{ 436 char *desc = NULL; 437 char *desc1 = NULL; 438 u16 ioc_status; 439 u8 skey, asc, ascq; 440 441 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK; 442 443 switch (ioc_status) { 444 445 case MPI_IOCSTATUS_SUCCESS: 446 desc = "success"; 447 break; 448 case MPI_IOCSTATUS_SCSI_INVALID_BUS: 449 desc = "invalid bus"; 450 break; 451 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: 452 desc = "invalid target_id"; 453 break; 454 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 455 desc = "device not there"; 456 break; 457 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: 458 desc = "data overrun"; 459 break; 460 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: 461 desc = "data underrun"; 462 break; 463 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: 464 desc = "I/O data error"; 465 break; 466 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: 467 desc = "protocol error"; 468 break; 469 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: 470 desc = "task terminated"; 471 break; 472 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 473 desc = "residual mismatch"; 474 break; 475 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 476 desc = "task management failed"; 477 break; 478 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: 479 desc = "IOC terminated"; 480 break; 481 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: 482 desc = "ext terminated"; 483 break; 484 default: 485 desc = ""; 486 break; 487 } 488 489 switch (pScsiReply->SCSIStatus) 490 { 491 492 case MPI_SCSI_STATUS_SUCCESS: 493 desc1 = "success"; 494 break; 495 case MPI_SCSI_STATUS_CHECK_CONDITION: 496 desc1 = "check condition"; 497 break; 498 case MPI_SCSI_STATUS_CONDITION_MET: 499 desc1 = "condition met"; 500 break; 501 case MPI_SCSI_STATUS_BUSY: 502 desc1 = "busy"; 503 break; 504 case MPI_SCSI_STATUS_INTERMEDIATE: 505 desc1 = "intermediate"; 506 break; 507 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET: 508 desc1 = "intermediate condmet"; 509 break; 510 case MPI_SCSI_STATUS_RESERVATION_CONFLICT: 511 desc1 = "reservation conflict"; 512 break; 513 case MPI_SCSI_STATUS_COMMAND_TERMINATED: 514 desc1 = "command terminated"; 515 break; 516 case MPI_SCSI_STATUS_TASK_SET_FULL: 517 desc1 = "task set full"; 518 break; 519 case MPI_SCSI_STATUS_ACA_ACTIVE: 520 desc1 = "aca active"; 521 break; 522 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT: 523 desc1 = "fcpext device logged out"; 524 break; 525 case MPI_SCSI_STATUS_FCPEXT_NO_LINK: 526 desc1 = "fcpext no link"; 527 break; 528 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED: 529 desc1 = "fcpext unassigned"; 530 break; 531 default: 532 desc1 = ""; 533 break; 534 } 535 536 scsi_print_command(sc); 537 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %llu\n", 538 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun); 539 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, " 540 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow, 541 scsi_get_resid(sc)); 542 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, " 543 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag), 544 le32_to_cpu(pScsiReply->TransferCount), sc->result); 545 546 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), " 547 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n", 548 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus, 549 pScsiReply->SCSIState); 550 551 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) { 552 skey = sc->sense_buffer[2] & 0x0F; 553 asc = sc->sense_buffer[12]; 554 ascq = sc->sense_buffer[13]; 555 556 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: " 557 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq); 558 } 559 560 /* 561 * Look for + dump FCP ResponseInfo[]! 562 */ 563 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID && 564 pScsiReply->ResponseInfo) 565 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n", 566 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo)); 567} 568#endif 569 570/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 571/* 572 * mptscsih_io_done - Main SCSI IO callback routine registered to 573 * Fusion MPT (base) driver 574 * @ioc: Pointer to MPT_ADAPTER structure 575 * @mf: Pointer to original MPT request frame 576 * @r: Pointer to MPT reply frame (NULL if TurboReply) 577 * 578 * This routine is called from mpt.c::mpt_interrupt() at the completion 579 * of any SCSI IO request. 580 * This routine is registered with the Fusion MPT (base) driver at driver 581 * load/init time via the mpt_register() API call. 582 * 583 * Returns 1 indicating alloc'd request frame ptr should be freed. 584 */ 585int 586mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) 587{ 588 struct scsi_cmnd *sc; 589 MPT_SCSI_HOST *hd; 590 SCSIIORequest_t *pScsiReq; 591 SCSIIOReply_t *pScsiReply; 592 u16 req_idx, req_idx_MR; 593 VirtDevice *vdevice; 594 VirtTarget *vtarget; 595 596 hd = shost_priv(ioc->sh); 597 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 598 req_idx_MR = (mr != NULL) ? 599 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx; 600 601 /* Special case, where already freed message frame is received from 602 * Firmware. It happens with Resetting IOC. 603 * Return immediately. Do not care 604 */ 605 if ((req_idx != req_idx_MR) || 606 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf)) 607 return 0; 608 609 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx); 610 if (sc == NULL) { 611 MPIHeader_t *hdr = (MPIHeader_t *)mf; 612 613 /* Remark: writeSDP1 will use the ScsiDoneCtx 614 * If a SCSI I/O cmd, device disabled by OS and 615 * completion done. Cannot touch sc struct. Just free mem. 616 */ 617 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST) 618 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n", 619 ioc->name); 620 621 mptscsih_freeChainBuffers(ioc, req_idx); 622 return 1; 623 } 624 625 if ((unsigned char *)mf != sc->host_scribble) { 626 mptscsih_freeChainBuffers(ioc, req_idx); 627 return 1; 628 } 629 630 if (ioc->bus_type == SAS) { 631 VirtDevice *vdevice = sc->device->hostdata; 632 633 if (!vdevice || !vdevice->vtarget || 634 vdevice->vtarget->deleted) { 635 sc->result = DID_NO_CONNECT << 16; 636 goto out; 637 } 638 } 639 640 sc->host_scribble = NULL; 641 sc->result = DID_OK << 16; /* Set default reply as OK */ 642 pScsiReq = (SCSIIORequest_t *) mf; 643 pScsiReply = (SCSIIOReply_t *) mr; 644 645 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){ 646 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT 647 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n", 648 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag)); 649 }else{ 650 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT 651 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n", 652 ioc->name, mf, mr, sc, req_idx)); 653 } 654 655 if (pScsiReply == NULL) { 656 /* special context reply handling */ 657 ; 658 } else { 659 u32 xfer_cnt; 660 u16 status; 661 u8 scsi_state, scsi_status; 662 u32 log_info; 663 664 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK; 665 666 scsi_state = pScsiReply->SCSIState; 667 scsi_status = pScsiReply->SCSIStatus; 668 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount); 669 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt); 670 log_info = le32_to_cpu(pScsiReply->IOCLogInfo); 671 672 /* 673 * if we get a data underrun indication, yet no data was 674 * transferred and the SCSI status indicates that the 675 * command was never started, change the data underrun 676 * to success 677 */ 678 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && 679 (scsi_status == MPI_SCSI_STATUS_BUSY || 680 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT || 681 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) { 682 status = MPI_IOCSTATUS_SUCCESS; 683 } 684 685 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) 686 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply); 687 688 /* 689 * Look for + dump FCP ResponseInfo[]! 690 */ 691 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID && 692 pScsiReply->ResponseInfo) { 693 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%llu] " 694 "FCP_ResponseInfo=%08xh\n", ioc->name, 695 sc->device->host->host_no, sc->device->channel, 696 sc->device->id, sc->device->lun, 697 le32_to_cpu(pScsiReply->ResponseInfo)); 698 } 699 700 switch(status) { 701 case MPI_IOCSTATUS_BUSY: /* 0x0002 */ 702 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */ 703 /* CHECKME! 704 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry) 705 * But not: DID_BUS_BUSY lest one risk 706 * killing interrupt handler:-( 707 */ 708 sc->result = SAM_STAT_BUSY; 709 break; 710 711 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */ 712 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */ 713 sc->result = DID_BAD_TARGET << 16; 714 break; 715 716 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ 717 /* Spoof to SCSI Selection Timeout! */ 718 if (ioc->bus_type != FC) 719 sc->result = DID_NO_CONNECT << 16; 720 /* else fibre, just stall until rescan event */ 721 else 722 sc->result = DID_REQUEUE << 16; 723 724 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF) 725 hd->sel_timeout[pScsiReq->TargetID]++; 726 727 vdevice = sc->device->hostdata; 728 if (!vdevice) 729 break; 730 vtarget = vdevice->vtarget; 731 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) { 732 mptscsih_issue_sep_command(ioc, vtarget, 733 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED); 734 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON; 735 } 736 break; 737 738 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ 739 if ( ioc->bus_type == SAS ) { 740 u16 ioc_status = 741 le16_to_cpu(pScsiReply->IOCStatus); 742 if ((ioc_status & 743 MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) 744 && 745 ((log_info & SAS_LOGINFO_MASK) == 746 SAS_LOGINFO_NEXUS_LOSS)) { 747 VirtDevice *vdevice = 748 sc->device->hostdata; 749 750 /* flag the device as being in 751 * device removal delay so we can 752 * notify the midlayer to hold off 753 * on timeout eh */ 754 if (vdevice && vdevice-> 755 vtarget && 756 vdevice->vtarget-> 757 raidVolume) 758 printk(KERN_INFO 759 "Skipping Raid Volume" 760 "for inDMD\n"); 761 else if (vdevice && 762 vdevice->vtarget) 763 vdevice->vtarget-> 764 inDMD = 1; 765 766 sc->result = 767 (DID_TRANSPORT_DISRUPTED 768 << 16); 769 break; 770 } 771 } else if (ioc->bus_type == FC) { 772 /* 773 * The FC IOC may kill a request for variety of 774 * reasons, some of which may be recovered by a 775 * retry, some which are unlikely to be 776 * recovered. Return DID_ERROR instead of 777 * DID_RESET to permit retry of the command, 778 * just not an infinite number of them 779 */ 780 sc->result = DID_ERROR << 16; 781 break; 782 } 783 784 /* 785 * Allow non-SAS & non-NEXUS_LOSS to drop into below code 786 */ 787 fallthrough; 788 789 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ 790 /* Linux handles an unsolicited DID_RESET better 791 * than an unsolicited DID_ABORT. 792 */ 793 sc->result = DID_RESET << 16; 794 break; 795 796 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ 797 if (ioc->bus_type == FC) 798 sc->result = DID_ERROR << 16; 799 else 800 sc->result = DID_RESET << 16; 801 break; 802 803 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */ 804 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt); 805 if((xfer_cnt==0)||(sc->underflow > xfer_cnt)) 806 sc->result=DID_SOFT_ERROR << 16; 807 else /* Sufficient data transfer occurred */ 808 sc->result = (DID_OK << 16) | scsi_status; 809 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 810 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n", 811 ioc->name, sc->result, sc->device->channel, sc->device->id)); 812 break; 813 814 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ 815 /* 816 * Do upfront check for valid SenseData and give it 817 * precedence! 818 */ 819 sc->result = (DID_OK << 16) | scsi_status; 820 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) { 821 822 /* 823 * For an Errata on LSI53C1030 824 * When the length of request data 825 * and transfer data are different 826 * with result of command (READ or VERIFY), 827 * DID_SOFT_ERROR is set. 828 */ 829 if (ioc->bus_type == SPI) { 830 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) || 831 pScsiReq->CDB[0] == READ_10 || 832 pScsiReq->CDB[0] == READ_12 || 833 (pScsiReq->CDB[0] == READ_16 && 834 ((pScsiReq->CDB[1] & 0x02) == 0)) || 835 pScsiReq->CDB[0] == VERIFY || 836 pScsiReq->CDB[0] == VERIFY_16) { 837 if (scsi_bufflen(sc) != 838 xfer_cnt) { 839 sc->result = 840 DID_SOFT_ERROR << 16; 841 printk(KERN_WARNING "Errata" 842 "on LSI53C1030 occurred." 843 "sc->req_bufflen=0x%02x," 844 "xfer_cnt=0x%02x\n", 845 scsi_bufflen(sc), 846 xfer_cnt); 847 } 848 } 849 } 850 851 if (xfer_cnt < sc->underflow) { 852 if (scsi_status == SAM_STAT_BUSY) 853 sc->result = SAM_STAT_BUSY; 854 else 855 sc->result = DID_SOFT_ERROR << 16; 856 } 857 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) { 858 /* What to do? 859 */ 860 sc->result = DID_SOFT_ERROR << 16; 861 } 862 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) { 863 /* Not real sure here either... */ 864 sc->result = DID_RESET << 16; 865 } 866 } 867 868 869 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 870 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n", 871 ioc->name, sc->underflow)); 872 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 873 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt)); 874 875 /* Report Queue Full 876 */ 877 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL) 878 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); 879 880 break; 881 882 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */ 883 scsi_set_resid(sc, 0); 884 fallthrough; 885 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ 886 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ 887 sc->result = (DID_OK << 16) | scsi_status; 888 if (scsi_state == 0) { 889 ; 890 } else if (scsi_state & 891 MPI_SCSI_STATE_AUTOSENSE_VALID) { 892 893 /* 894 * For potential trouble on LSI53C1030. 895 * (date:2007.xx.) 896 * It is checked whether the length of 897 * request data is equal to 898 * the length of transfer and residual. 899 * MEDIUM_ERROR is set by incorrect data. 900 */ 901 if ((ioc->bus_type == SPI) && 902 (sc->sense_buffer[2] & 0x20)) { 903 u32 difftransfer; 904 difftransfer = 905 sc->sense_buffer[3] << 24 | 906 sc->sense_buffer[4] << 16 | 907 sc->sense_buffer[5] << 8 | 908 sc->sense_buffer[6]; 909 if (((sc->sense_buffer[3] & 0x80) == 910 0x80) && (scsi_bufflen(sc) 911 != xfer_cnt)) { 912 sc->sense_buffer[2] = 913 MEDIUM_ERROR; 914 sc->sense_buffer[12] = 0xff; 915 sc->sense_buffer[13] = 0xff; 916 printk(KERN_WARNING"Errata" 917 "on LSI53C1030 occurred." 918 "sc->req_bufflen=0x%02x," 919 "xfer_cnt=0x%02x\n" , 920 scsi_bufflen(sc), 921 xfer_cnt); 922 } 923 if (((sc->sense_buffer[3] & 0x80) 924 != 0x80) && 925 (scsi_bufflen(sc) != 926 xfer_cnt + difftransfer)) { 927 sc->sense_buffer[2] = 928 MEDIUM_ERROR; 929 sc->sense_buffer[12] = 0xff; 930 sc->sense_buffer[13] = 0xff; 931 printk(KERN_WARNING 932 "Errata on LSI53C1030 occurred" 933 "sc->req_bufflen=0x%02x," 934 " xfer_cnt=0x%02x," 935 "difftransfer=0x%02x\n", 936 scsi_bufflen(sc), 937 xfer_cnt, 938 difftransfer); 939 } 940 } 941 942 /* 943 * If running against circa 200003dd 909 MPT f/w, 944 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL 945 * (QUEUE_FULL) returned from device! --> get 0x0000?128 946 * and with SenseBytes set to 0. 947 */ 948 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL) 949 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); 950 951 } 952 else if (scsi_state & 953 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS) 954 ) { 955 /* 956 * What to do? 957 */ 958 sc->result = DID_SOFT_ERROR << 16; 959 } 960 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) { 961 /* Not real sure here either... */ 962 sc->result = DID_RESET << 16; 963 } 964 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) { 965 /* Device Inq. data indicates that it supports 966 * QTags, but rejects QTag messages. 967 * This command completed OK. 968 * 969 * Not real sure here either so do nothing... */ 970 } 971 972 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL) 973 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); 974 975 /* Add handling of: 976 * Reservation Conflict, Busy, 977 * Command Terminated, CHECK 978 */ 979 break; 980 981 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ 982 sc->result = DID_SOFT_ERROR << 16; 983 break; 984 985 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */ 986 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */ 987 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */ 988 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */ 989 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */ 990 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */ 991 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ 992 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */ 993 default: 994 /* 995 * What to do? 996 */ 997 sc->result = DID_SOFT_ERROR << 16; 998 break; 999 1000 } /* switch(status) */ 1001 1002#ifdef CONFIG_FUSION_LOGGING 1003 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY)) 1004 mptscsih_info_scsiio(ioc, sc, pScsiReply); 1005#endif 1006 1007 } /* end of address reply case */ 1008out: 1009 /* Unmap the DMA buffers, if any. */ 1010 scsi_dma_unmap(sc); 1011 1012 scsi_done(sc); /* Issue the command callback */ 1013 1014 /* Free Chain buffers */ 1015 mptscsih_freeChainBuffers(ioc, req_idx); 1016 return 1; 1017} 1018 1019/* 1020 * mptscsih_flush_running_cmds - For each command found, search 1021 * Scsi_Host instance taskQ and reply to OS. 1022 * Called only if recovering from a FW reload. 1023 * @hd: Pointer to a SCSI HOST structure 1024 * 1025 * Returns: None. 1026 * 1027 * Must be called while new I/Os are being queued. 1028 */ 1029void 1030mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd) 1031{ 1032 MPT_ADAPTER *ioc = hd->ioc; 1033 struct scsi_cmnd *sc; 1034 SCSIIORequest_t *mf = NULL; 1035 int ii; 1036 int channel, id; 1037 1038 for (ii= 0; ii < ioc->req_depth; ii++) { 1039 sc = mptscsih_getclear_scsi_lookup(ioc, ii); 1040 if (!sc) 1041 continue; 1042 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii); 1043 if (!mf) 1044 continue; 1045 channel = mf->Bus; 1046 id = mf->TargetID; 1047 mptscsih_freeChainBuffers(ioc, ii); 1048 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf); 1049 if ((unsigned char *)mf != sc->host_scribble) 1050 continue; 1051 scsi_dma_unmap(sc); 1052 sc->result = DID_RESET << 16; 1053 sc->host_scribble = NULL; 1054 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT 1055 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, " 1056 "idx=%x\n", ioc->name, channel, id, sc, mf, ii)); 1057 scsi_done(sc); 1058 } 1059} 1060EXPORT_SYMBOL(mptscsih_flush_running_cmds); 1061 1062/* 1063 * mptscsih_search_running_cmds - Delete any commands associated 1064 * with the specified target and lun. Function called only 1065 * when a lun is disable by mid-layer. 1066 * Do NOT access the referenced scsi_cmnd structure or 1067 * members. Will cause either a paging or NULL ptr error. 1068 * (BUT, BUT, BUT, the code does reference it! - mdr) 1069 * @hd: Pointer to a SCSI HOST structure 1070 * @vdevice: per device private data 1071 * 1072 * Returns: None. 1073 * 1074 * Called from slave_destroy. 1075 */ 1076static void 1077mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice) 1078{ 1079 SCSIIORequest_t *mf = NULL; 1080 int ii; 1081 struct scsi_cmnd *sc; 1082 struct scsi_lun lun; 1083 MPT_ADAPTER *ioc = hd->ioc; 1084 unsigned long flags; 1085 1086 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 1087 for (ii = 0; ii < ioc->req_depth; ii++) { 1088 if ((sc = ioc->ScsiLookup[ii]) != NULL) { 1089 1090 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii); 1091 if (mf == NULL) 1092 continue; 1093 /* If the device is a hidden raid component, then its 1094 * expected that the mf->function will be RAID_SCSI_IO 1095 */ 1096 if (vdevice->vtarget->tflags & 1097 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function != 1098 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) 1099 continue; 1100 1101 int_to_scsilun(vdevice->lun, &lun); 1102 if ((mf->Bus != vdevice->vtarget->channel) || 1103 (mf->TargetID != vdevice->vtarget->id) || 1104 memcmp(lun.scsi_lun, mf->LUN, 8)) 1105 continue; 1106 1107 if ((unsigned char *)mf != sc->host_scribble) 1108 continue; 1109 ioc->ScsiLookup[ii] = NULL; 1110 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1111 mptscsih_freeChainBuffers(ioc, ii); 1112 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf); 1113 scsi_dma_unmap(sc); 1114 sc->host_scribble = NULL; 1115 sc->result = DID_NO_CONNECT << 16; 1116 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, 1117 MYIOC_s_FMT "completing cmds: fw_channel %d, " 1118 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name, 1119 vdevice->vtarget->channel, vdevice->vtarget->id, 1120 sc, mf, ii)); 1121 scsi_done(sc); 1122 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 1123 } 1124 } 1125 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1126 return; 1127} 1128 1129/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1130 1131/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1132/* 1133 * mptscsih_report_queue_full - Report QUEUE_FULL status returned 1134 * from a SCSI target device. 1135 * @sc: Pointer to scsi_cmnd structure 1136 * @pScsiReply: Pointer to SCSIIOReply_t 1137 * @pScsiReq: Pointer to original SCSI request 1138 * 1139 * This routine periodically reports QUEUE_FULL status returned from a 1140 * SCSI target device. It reports this to the console via kernel 1141 * printk() API call, not more than once every 10 seconds. 1142 */ 1143static void 1144mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq) 1145{ 1146 long time = jiffies; 1147 MPT_SCSI_HOST *hd; 1148 MPT_ADAPTER *ioc; 1149 1150 if (sc->device == NULL) 1151 return; 1152 if (sc->device->host == NULL) 1153 return; 1154 if ((hd = shost_priv(sc->device->host)) == NULL) 1155 return; 1156 ioc = hd->ioc; 1157 if (time - hd->last_queue_full > 10 * HZ) { 1158 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%llu) reported QUEUE_FULL!\n", 1159 ioc->name, 0, sc->device->id, sc->device->lun)); 1160 hd->last_queue_full = time; 1161 } 1162} 1163 1164/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1165/* 1166 * mptscsih_remove - Removed scsi devices 1167 * @pdev: Pointer to pci_dev structure 1168 * 1169 * 1170 */ 1171void 1172mptscsih_remove(struct pci_dev *pdev) 1173{ 1174 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1175 struct Scsi_Host *host = ioc->sh; 1176 MPT_SCSI_HOST *hd; 1177 int sz1; 1178 1179 if (host == NULL) 1180 hd = NULL; 1181 else 1182 hd = shost_priv(host); 1183 1184 mptscsih_shutdown(pdev); 1185 1186 sz1=0; 1187 1188 if (ioc->ScsiLookup != NULL) { 1189 sz1 = ioc->req_depth * sizeof(void *); 1190 kfree(ioc->ScsiLookup); 1191 ioc->ScsiLookup = NULL; 1192 } 1193 1194 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1195 "Free'd ScsiLookup (%d) memory\n", 1196 ioc->name, sz1)); 1197 1198 if (hd) 1199 kfree(hd->info_kbuf); 1200 1201 /* NULL the Scsi_Host pointer 1202 */ 1203 ioc->sh = NULL; 1204 1205 if (host) 1206 scsi_host_put(host); 1207 mpt_detach(pdev); 1208 1209} 1210 1211/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1212/* 1213 * mptscsih_shutdown - reboot notifier 1214 * 1215 */ 1216void 1217mptscsih_shutdown(struct pci_dev *pdev) 1218{ 1219} 1220 1221#ifdef CONFIG_PM 1222/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1223/* 1224 * mptscsih_suspend - Fusion MPT scsi driver suspend routine. 1225 * 1226 * 1227 */ 1228int 1229mptscsih_suspend(struct pci_dev *pdev, pm_message_t state) 1230{ 1231 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1232 1233 scsi_block_requests(ioc->sh); 1234 mptscsih_shutdown(pdev); 1235 return mpt_suspend(pdev,state); 1236} 1237 1238/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1239/* 1240 * mptscsih_resume - Fusion MPT scsi driver resume routine. 1241 * 1242 * 1243 */ 1244int 1245mptscsih_resume(struct pci_dev *pdev) 1246{ 1247 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1248 int rc; 1249 1250 rc = mpt_resume(pdev); 1251 scsi_unblock_requests(ioc->sh); 1252 return rc; 1253} 1254 1255#endif 1256 1257/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1258/** 1259 * mptscsih_info - Return information about MPT adapter 1260 * @SChost: Pointer to Scsi_Host structure 1261 * 1262 * (linux scsi_host_template.info routine) 1263 * 1264 * Returns pointer to buffer where information was written. 1265 */ 1266const char * 1267mptscsih_info(struct Scsi_Host *SChost) 1268{ 1269 MPT_SCSI_HOST *h; 1270 int size = 0; 1271 1272 h = shost_priv(SChost); 1273 1274 if (h->info_kbuf == NULL) 1275 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL) 1276 return h->info_kbuf; 1277 h->info_kbuf[0] = '\0'; 1278 1279 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0); 1280 h->info_kbuf[size-1] = '\0'; 1281 1282 return h->info_kbuf; 1283} 1284 1285int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host) 1286{ 1287 MPT_SCSI_HOST *hd = shost_priv(host); 1288 MPT_ADAPTER *ioc = hd->ioc; 1289 1290 seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name); 1291 seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word); 1292 seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts); 1293 seq_printf(m, "MaxQ=%d\n", ioc->req_depth); 1294 1295 return 0; 1296} 1297 1298/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1299#define ADD_INDEX_LOG(req_ent) do { } while(0) 1300 1301/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1302/** 1303 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine. 1304 * @SCpnt: Pointer to scsi_cmnd structure 1305 * 1306 * (linux scsi_host_template.queuecommand routine) 1307 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest 1308 * from a linux scsi_cmnd request and send it to the IOC. 1309 * 1310 * Returns 0. (rtn value discarded by linux scsi mid-layer) 1311 */ 1312int 1313mptscsih_qcmd(struct scsi_cmnd *SCpnt) 1314{ 1315 MPT_SCSI_HOST *hd; 1316 MPT_FRAME_HDR *mf; 1317 SCSIIORequest_t *pScsiReq; 1318 VirtDevice *vdevice = SCpnt->device->hostdata; 1319 u32 datalen; 1320 u32 scsictl; 1321 u32 scsidir; 1322 u32 cmd_len; 1323 int my_idx; 1324 int ii; 1325 MPT_ADAPTER *ioc; 1326 1327 hd = shost_priv(SCpnt->device->host); 1328 ioc = hd->ioc; 1329 1330 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p\n", 1331 ioc->name, SCpnt)); 1332 1333 if (ioc->taskmgmt_quiesce_io) 1334 return SCSI_MLQUEUE_HOST_BUSY; 1335 1336 /* 1337 * Put together a MPT SCSI request... 1338 */ 1339 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) { 1340 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n", 1341 ioc->name)); 1342 return SCSI_MLQUEUE_HOST_BUSY; 1343 } 1344 1345 pScsiReq = (SCSIIORequest_t *) mf; 1346 1347 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 1348 1349 ADD_INDEX_LOG(my_idx); 1350 1351 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)! 1352 * Seems we may receive a buffer (datalen>0) even when there 1353 * will be no data transfer! GRRRRR... 1354 */ 1355 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) { 1356 datalen = scsi_bufflen(SCpnt); 1357 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */ 1358 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) { 1359 datalen = scsi_bufflen(SCpnt); 1360 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */ 1361 } else { 1362 datalen = 0; 1363 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER; 1364 } 1365 1366 /* Default to untagged. Once a target structure has been allocated, 1367 * use the Inquiry data to determine if device supports tagged. 1368 */ 1369 if ((vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) && 1370 SCpnt->device->tagged_supported) 1371 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ; 1372 else 1373 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED; 1374 1375 1376 /* Use the above information to set up the message frame 1377 */ 1378 pScsiReq->TargetID = (u8) vdevice->vtarget->id; 1379 pScsiReq->Bus = vdevice->vtarget->channel; 1380 pScsiReq->ChainOffset = 0; 1381 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 1382 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 1383 else 1384 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 1385 pScsiReq->CDBLength = SCpnt->cmd_len; 1386 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 1387 pScsiReq->Reserved = 0; 1388 pScsiReq->MsgFlags = mpt_msg_flags(ioc); 1389 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN); 1390 pScsiReq->Control = cpu_to_le32(scsictl); 1391 1392 /* 1393 * Write SCSI CDB into the message 1394 */ 1395 cmd_len = SCpnt->cmd_len; 1396 for (ii=0; ii < cmd_len; ii++) 1397 pScsiReq->CDB[ii] = SCpnt->cmnd[ii]; 1398 1399 for (ii=cmd_len; ii < 16; ii++) 1400 pScsiReq->CDB[ii] = 0; 1401 1402 /* DataLength */ 1403 pScsiReq->DataLength = cpu_to_le32(datalen); 1404 1405 /* SenseBuffer low address */ 1406 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma 1407 + (my_idx * MPT_SENSE_BUFFER_ALLOC)); 1408 1409 /* Now add the SG list 1410 * Always have a SGE even if null length. 1411 */ 1412 if (datalen == 0) { 1413 /* Add a NULL SGE */ 1414 ioc->add_sge((char *)&pScsiReq->SGL, 1415 MPT_SGE_FLAGS_SSIMPLE_READ | 0, 1416 (dma_addr_t) -1); 1417 } else { 1418 /* Add a 32 or 64 bit SGE */ 1419 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS) 1420 goto fail; 1421 } 1422 1423 SCpnt->host_scribble = (unsigned char *)mf; 1424 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt); 1425 1426 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); 1427 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n", 1428 ioc->name, SCpnt, mf, my_idx)); 1429 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf); 1430 return 0; 1431 1432 fail: 1433 mptscsih_freeChainBuffers(ioc, my_idx); 1434 mpt_free_msg_frame(ioc, mf); 1435 return SCSI_MLQUEUE_HOST_BUSY; 1436} 1437 1438/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1439/* 1440 * mptscsih_freeChainBuffers - Function to free chain buffers associated 1441 * with a SCSI IO request 1442 * @hd: Pointer to the MPT_SCSI_HOST instance 1443 * @req_idx: Index of the SCSI IO request frame. 1444 * 1445 * Called if SG chain buffer allocation fails and mptscsih callbacks. 1446 * No return. 1447 */ 1448static void 1449mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx) 1450{ 1451 MPT_FRAME_HDR *chain; 1452 unsigned long flags; 1453 int chain_idx; 1454 int next; 1455 1456 /* Get the first chain index and reset 1457 * tracker state. 1458 */ 1459 chain_idx = ioc->ReqToChain[req_idx]; 1460 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN; 1461 1462 while (chain_idx != MPT_HOST_NO_CHAIN) { 1463 1464 /* Save the next chain buffer index */ 1465 next = ioc->ChainToChain[chain_idx]; 1466 1467 /* Free this chain buffer and reset 1468 * tracker 1469 */ 1470 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN; 1471 1472 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer 1473 + (chain_idx * ioc->req_sz)); 1474 1475 spin_lock_irqsave(&ioc->FreeQlock, flags); 1476 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ); 1477 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 1478 1479 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n", 1480 ioc->name, chain_idx)); 1481 1482 /* handle next */ 1483 chain_idx = next; 1484 } 1485 return; 1486} 1487 1488/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1489/* 1490 * Reset Handling 1491 */ 1492 1493/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1494/** 1495 * mptscsih_IssueTaskMgmt - Generic send Task Management function. 1496 * @hd: Pointer to MPT_SCSI_HOST structure 1497 * @type: Task Management type 1498 * @channel: channel number for task management 1499 * @id: Logical Target ID for reset (if appropriate) 1500 * @lun: Logical Unit for reset (if appropriate) 1501 * @ctx2abort: Context for the task to be aborted (if appropriate) 1502 * @timeout: timeout for task management control 1503 * 1504 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer) 1505 * or a non-interrupt thread. In the former, must not call schedule(). 1506 * 1507 * Not all fields are meaningfull for all task types. 1508 * 1509 * Returns 0 for SUCCESS, or FAILED. 1510 * 1511 **/ 1512int 1513mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, u64 lun, 1514 int ctx2abort, ulong timeout) 1515{ 1516 MPT_FRAME_HDR *mf; 1517 SCSITaskMgmt_t *pScsiTm; 1518 int ii; 1519 int retval; 1520 MPT_ADAPTER *ioc = hd->ioc; 1521 u8 issue_hard_reset; 1522 u32 ioc_raw_state; 1523 unsigned long time_count; 1524 1525 issue_hard_reset = 0; 1526 ioc_raw_state = mpt_GetIocState(ioc, 0); 1527 1528 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) { 1529 printk(MYIOC_s_WARN_FMT 1530 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n", 1531 ioc->name, type, ioc_raw_state); 1532 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n", 1533 ioc->name, __func__); 1534 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0) 1535 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset " 1536 "FAILED!!\n", ioc->name); 1537 return 0; 1538 } 1539 1540 /* DOORBELL ACTIVE check is not required if 1541 * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported. 1542 */ 1543 1544 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) 1545 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) && 1546 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) { 1547 printk(MYIOC_s_WARN_FMT 1548 "TaskMgmt type=%x: ioc_state: " 1549 "DOORBELL_ACTIVE (0x%x)!\n", 1550 ioc->name, type, ioc_raw_state); 1551 return FAILED; 1552 } 1553 1554 mutex_lock(&ioc->taskmgmt_cmds.mutex); 1555 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) { 1556 mf = NULL; 1557 retval = FAILED; 1558 goto out; 1559 } 1560 1561 /* Return Fail to calling function if no message frames available. 1562 */ 1563 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) { 1564 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1565 "TaskMgmt no msg frames!!\n", ioc->name)); 1566 retval = FAILED; 1567 mpt_clear_taskmgmt_in_progress_flag(ioc); 1568 goto out; 1569 } 1570 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n", 1571 ioc->name, mf)); 1572 1573 /* Format the Request 1574 */ 1575 pScsiTm = (SCSITaskMgmt_t *) mf; 1576 pScsiTm->TargetID = id; 1577 pScsiTm->Bus = channel; 1578 pScsiTm->ChainOffset = 0; 1579 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 1580 1581 pScsiTm->Reserved = 0; 1582 pScsiTm->TaskType = type; 1583 pScsiTm->Reserved1 = 0; 1584 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) 1585 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0; 1586 1587 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN); 1588 1589 for (ii=0; ii < 7; ii++) 1590 pScsiTm->Reserved2[ii] = 0; 1591 1592 pScsiTm->TaskMsgContext = ctx2abort; 1593 1594 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) " 1595 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort, 1596 type, timeout)); 1597 1598 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm); 1599 1600 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status) 1601 time_count = jiffies; 1602 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && 1603 (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) 1604 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf); 1605 else { 1606 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc, 1607 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP); 1608 if (retval) { 1609 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1610 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n", 1611 ioc->name, mf, retval)); 1612 mpt_free_msg_frame(ioc, mf); 1613 mpt_clear_taskmgmt_in_progress_flag(ioc); 1614 goto out; 1615 } 1616 } 1617 1618 wait_for_completion_timeout(&ioc->taskmgmt_cmds.done, 1619 timeout*HZ); 1620 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 1621 retval = FAILED; 1622 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT 1623 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf)); 1624 mpt_clear_taskmgmt_in_progress_flag(ioc); 1625 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) 1626 goto out; 1627 issue_hard_reset = 1; 1628 goto out; 1629 } 1630 1631 retval = mptscsih_taskmgmt_reply(ioc, type, 1632 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply); 1633 1634 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1635 "TaskMgmt completed (%d seconds)\n", 1636 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000)); 1637 1638 out: 1639 1640 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status) 1641 if (issue_hard_reset) { 1642 printk(MYIOC_s_WARN_FMT 1643 "Issuing Reset from %s!! doorbell=0x%08x\n", 1644 ioc->name, __func__, mpt_GetIocState(ioc, 0)); 1645 retval = (ioc->bus_type == SAS) ? 1646 mpt_HardResetHandler(ioc, CAN_SLEEP) : 1647 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 1648 mpt_free_msg_frame(ioc, mf); 1649 } 1650 1651 retval = (retval == 0) ? 0 : FAILED; 1652 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 1653 return retval; 1654} 1655EXPORT_SYMBOL(mptscsih_IssueTaskMgmt); 1656 1657static int 1658mptscsih_get_tm_timeout(MPT_ADAPTER *ioc) 1659{ 1660 switch (ioc->bus_type) { 1661 case FC: 1662 return 40; 1663 case SAS: 1664 return 30; 1665 case SPI: 1666 default: 1667 return 10; 1668 } 1669} 1670 1671/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1672/** 1673 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant 1674 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted 1675 * 1676 * (linux scsi_host_template.eh_abort_handler routine) 1677 * 1678 * Returns SUCCESS or FAILED. 1679 **/ 1680int 1681mptscsih_abort(struct scsi_cmnd * SCpnt) 1682{ 1683 MPT_SCSI_HOST *hd; 1684 MPT_FRAME_HDR *mf; 1685 u32 ctx2abort; 1686 int scpnt_idx; 1687 int retval; 1688 VirtDevice *vdevice; 1689 MPT_ADAPTER *ioc; 1690 1691 /* If we can't locate our host adapter structure, return FAILED status. 1692 */ 1693 if ((hd = shost_priv(SCpnt->device->host)) == NULL) { 1694 SCpnt->result = DID_RESET << 16; 1695 scsi_done(SCpnt); 1696 printk(KERN_ERR MYNAM ": task abort: " 1697 "can't locate host! (sc=%p)\n", SCpnt); 1698 return FAILED; 1699 } 1700 1701 ioc = hd->ioc; 1702 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n", 1703 ioc->name, SCpnt); 1704 scsi_print_command(SCpnt); 1705 1706 vdevice = SCpnt->device->hostdata; 1707 if (!vdevice || !vdevice->vtarget) { 1708 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1709 "task abort: device has been deleted (sc=%p)\n", 1710 ioc->name, SCpnt)); 1711 SCpnt->result = DID_NO_CONNECT << 16; 1712 scsi_done(SCpnt); 1713 retval = SUCCESS; 1714 goto out; 1715 } 1716 1717 /* Task aborts are not supported for hidden raid components. 1718 */ 1719 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) { 1720 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1721 "task abort: hidden raid component (sc=%p)\n", 1722 ioc->name, SCpnt)); 1723 SCpnt->result = DID_RESET << 16; 1724 retval = FAILED; 1725 goto out; 1726 } 1727 1728 /* Task aborts are not supported for volumes. 1729 */ 1730 if (vdevice->vtarget->raidVolume) { 1731 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1732 "task abort: raid volume (sc=%p)\n", 1733 ioc->name, SCpnt)); 1734 SCpnt->result = DID_RESET << 16; 1735 retval = FAILED; 1736 goto out; 1737 } 1738 1739 /* Find this command 1740 */ 1741 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) { 1742 /* Cmd not found in ScsiLookup. 1743 * Do OS callback. 1744 */ 1745 SCpnt->result = DID_RESET << 16; 1746 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: " 1747 "Command not in the active list! (sc=%p)\n", ioc->name, 1748 SCpnt)); 1749 retval = SUCCESS; 1750 goto out; 1751 } 1752 1753 if (ioc->timeouts < -1) 1754 ioc->timeouts++; 1755 1756 if (mpt_fwfault_debug) 1757 mpt_halt_firmware(ioc); 1758 1759 /* Most important! Set TaskMsgContext to SCpnt's MsgContext! 1760 * (the IO to be ABORT'd) 1761 * 1762 * NOTE: Since we do not byteswap MsgContext, we do not 1763 * swap it here either. It is an opaque cookie to 1764 * the controller, so it does not matter. -DaveM 1765 */ 1766 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx); 1767 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext; 1768 retval = mptscsih_IssueTaskMgmt(hd, 1769 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, 1770 vdevice->vtarget->channel, 1771 vdevice->vtarget->id, vdevice->lun, 1772 ctx2abort, mptscsih_get_tm_timeout(ioc)); 1773 1774 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) { 1775 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1776 "task abort: command still in active list! (sc=%p)\n", 1777 ioc->name, SCpnt)); 1778 retval = FAILED; 1779 } else { 1780 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1781 "task abort: command cleared from active list! (sc=%p)\n", 1782 ioc->name, SCpnt)); 1783 retval = SUCCESS; 1784 } 1785 1786 out: 1787 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n", 1788 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval, 1789 SCpnt); 1790 1791 return retval; 1792} 1793 1794/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1795/** 1796 * mptscsih_dev_reset - Perform a SCSI LOGICAL_UNIT_RESET! 1797 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1798 * 1799 * (linux scsi_host_template.eh_dev_reset_handler routine) 1800 * 1801 * Returns SUCCESS or FAILED. 1802 **/ 1803int 1804mptscsih_dev_reset(struct scsi_cmnd * SCpnt) 1805{ 1806 MPT_SCSI_HOST *hd; 1807 int retval; 1808 VirtDevice *vdevice; 1809 MPT_ADAPTER *ioc; 1810 1811 /* If we can't locate our host adapter structure, return FAILED status. 1812 */ 1813 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1814 printk(KERN_ERR MYNAM ": lun reset: " 1815 "Can't locate host! (sc=%p)\n", SCpnt); 1816 return FAILED; 1817 } 1818 1819 ioc = hd->ioc; 1820 printk(MYIOC_s_INFO_FMT "attempting lun reset! (sc=%p)\n", 1821 ioc->name, SCpnt); 1822 scsi_print_command(SCpnt); 1823 1824 vdevice = SCpnt->device->hostdata; 1825 if (!vdevice || !vdevice->vtarget) { 1826 retval = 0; 1827 goto out; 1828 } 1829 1830 retval = mptscsih_IssueTaskMgmt(hd, 1831 MPI_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 1832 vdevice->vtarget->channel, 1833 vdevice->vtarget->id, vdevice->lun, 0, 1834 mptscsih_get_tm_timeout(ioc)); 1835 1836 out: 1837 printk (MYIOC_s_INFO_FMT "lun reset: %s (sc=%p)\n", 1838 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1839 1840 if (retval == 0) 1841 return SUCCESS; 1842 else 1843 return FAILED; 1844} 1845 1846/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1847/** 1848 * mptscsih_target_reset - Perform a SCSI TARGET_RESET! 1849 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1850 * 1851 * (linux scsi_host_template.eh_target_reset_handler routine) 1852 * 1853 * Returns SUCCESS or FAILED. 1854 **/ 1855int 1856mptscsih_target_reset(struct scsi_cmnd * SCpnt) 1857{ 1858 MPT_SCSI_HOST *hd; 1859 int retval; 1860 VirtDevice *vdevice; 1861 MPT_ADAPTER *ioc; 1862 1863 /* If we can't locate our host adapter structure, return FAILED status. 1864 */ 1865 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1866 printk(KERN_ERR MYNAM ": target reset: " 1867 "Can't locate host! (sc=%p)\n", SCpnt); 1868 return FAILED; 1869 } 1870 1871 ioc = hd->ioc; 1872 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n", 1873 ioc->name, SCpnt); 1874 scsi_print_command(SCpnt); 1875 1876 vdevice = SCpnt->device->hostdata; 1877 if (!vdevice || !vdevice->vtarget) { 1878 retval = 0; 1879 goto out; 1880 } 1881 1882 /* Target reset to hidden raid component is not supported 1883 */ 1884 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) { 1885 retval = FAILED; 1886 goto out; 1887 } 1888 1889 retval = mptscsih_IssueTaskMgmt(hd, 1890 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 1891 vdevice->vtarget->channel, 1892 vdevice->vtarget->id, 0, 0, 1893 mptscsih_get_tm_timeout(ioc)); 1894 1895 out: 1896 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n", 1897 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1898 1899 if (retval == 0) 1900 return SUCCESS; 1901 else 1902 return FAILED; 1903} 1904 1905 1906/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1907/** 1908 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant 1909 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1910 * 1911 * (linux scsi_host_template.eh_bus_reset_handler routine) 1912 * 1913 * Returns SUCCESS or FAILED. 1914 **/ 1915int 1916mptscsih_bus_reset(struct scsi_cmnd * SCpnt) 1917{ 1918 MPT_SCSI_HOST *hd; 1919 int retval; 1920 VirtDevice *vdevice; 1921 MPT_ADAPTER *ioc; 1922 1923 /* If we can't locate our host adapter structure, return FAILED status. 1924 */ 1925 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1926 printk(KERN_ERR MYNAM ": bus reset: " 1927 "Can't locate host! (sc=%p)\n", SCpnt); 1928 return FAILED; 1929 } 1930 1931 ioc = hd->ioc; 1932 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n", 1933 ioc->name, SCpnt); 1934 scsi_print_command(SCpnt); 1935 1936 if (ioc->timeouts < -1) 1937 ioc->timeouts++; 1938 1939 vdevice = SCpnt->device->hostdata; 1940 if (!vdevice || !vdevice->vtarget) 1941 return SUCCESS; 1942 retval = mptscsih_IssueTaskMgmt(hd, 1943 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, 1944 vdevice->vtarget->channel, 0, 0, 0, 1945 mptscsih_get_tm_timeout(ioc)); 1946 1947 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n", 1948 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1949 1950 if (retval == 0) 1951 return SUCCESS; 1952 else 1953 return FAILED; 1954} 1955 1956/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1957/** 1958 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant) 1959 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1960 * 1961 * (linux scsi_host_template.eh_host_reset_handler routine) 1962 * 1963 * Returns SUCCESS or FAILED. 1964 */ 1965int 1966mptscsih_host_reset(struct scsi_cmnd *SCpnt) 1967{ 1968 MPT_SCSI_HOST * hd; 1969 int status = SUCCESS; 1970 MPT_ADAPTER *ioc; 1971 int retval; 1972 1973 /* If we can't locate the host to reset, then we failed. */ 1974 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1975 printk(KERN_ERR MYNAM ": host reset: " 1976 "Can't locate host! (sc=%p)\n", SCpnt); 1977 return FAILED; 1978 } 1979 1980 /* make sure we have no outstanding commands at this stage */ 1981 mptscsih_flush_running_cmds(hd); 1982 1983 ioc = hd->ioc; 1984 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n", 1985 ioc->name, SCpnt); 1986 1987 /* If our attempts to reset the host failed, then return a failed 1988 * status. The host will be taken off line by the SCSI mid-layer. 1989 */ 1990 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 1991 if (retval < 0) 1992 status = FAILED; 1993 else 1994 status = SUCCESS; 1995 1996 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n", 1997 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1998 1999 return status; 2000} 2001 2002static int 2003mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type, 2004 SCSITaskMgmtReply_t *pScsiTmReply) 2005{ 2006 u16 iocstatus; 2007 u32 termination_count; 2008 int retval; 2009 2010 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { 2011 retval = FAILED; 2012 goto out; 2013 } 2014 2015 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply); 2016 2017 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK; 2018 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount); 2019 2020 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2021 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n" 2022 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n" 2023 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus, 2024 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus), 2025 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode, 2026 termination_count)); 2027 2028 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 && 2029 pScsiTmReply->ResponseCode) 2030 mptscsih_taskmgmt_response_code(ioc, 2031 pScsiTmReply->ResponseCode); 2032 2033 if (iocstatus == MPI_IOCSTATUS_SUCCESS) { 2034 retval = 0; 2035 goto out; 2036 } 2037 2038 retval = FAILED; 2039 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) { 2040 if (termination_count == 1) 2041 retval = 0; 2042 goto out; 2043 } 2044 2045 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED || 2046 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED) 2047 retval = 0; 2048 2049 out: 2050 return retval; 2051} 2052 2053/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2054void 2055mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code) 2056{ 2057 char *desc; 2058 2059 switch (response_code) { 2060 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE: 2061 desc = "The task completed."; 2062 break; 2063 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME: 2064 desc = "The IOC received an invalid frame status."; 2065 break; 2066 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: 2067 desc = "The task type is not supported."; 2068 break; 2069 case MPI_SCSITASKMGMT_RSP_TM_FAILED: 2070 desc = "The requested task failed."; 2071 break; 2072 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED: 2073 desc = "The task completed successfully."; 2074 break; 2075 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN: 2076 desc = "The LUN request is invalid."; 2077 break; 2078 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: 2079 desc = "The task is in the IOC queue and has not been sent to target."; 2080 break; 2081 default: 2082 desc = "unknown"; 2083 break; 2084 } 2085 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n", 2086 ioc->name, response_code, desc); 2087} 2088EXPORT_SYMBOL(mptscsih_taskmgmt_response_code); 2089 2090/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2091/** 2092 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver 2093 * @ioc: Pointer to MPT_ADAPTER structure 2094 * @mf: Pointer to SCSI task mgmt request frame 2095 * @mr: Pointer to SCSI task mgmt reply frame 2096 * 2097 * This routine is called from mptbase.c::mpt_interrupt() at the completion 2098 * of any SCSI task management request. 2099 * This routine is registered with the MPT (base) driver at driver 2100 * load/init time via the mpt_register() API call. 2101 * 2102 * Returns 1 indicating alloc'd request frame ptr should be freed. 2103 **/ 2104int 2105mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, 2106 MPT_FRAME_HDR *mr) 2107{ 2108 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2109 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr)); 2110 2111 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 2112 2113 if (!mr) 2114 goto out; 2115 2116 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID; 2117 memcpy(ioc->taskmgmt_cmds.reply, mr, 2118 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength)); 2119 out: 2120 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) { 2121 mpt_clear_taskmgmt_in_progress_flag(ioc); 2122 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 2123 complete(&ioc->taskmgmt_cmds.done); 2124 if (ioc->bus_type == SAS) 2125 ioc->schedule_target_reset(ioc); 2126 return 1; 2127 } 2128 return 0; 2129} 2130 2131/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2132/* 2133 * This is anyones guess quite frankly. 2134 */ 2135int 2136mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev, 2137 sector_t capacity, int geom[]) 2138{ 2139 int heads; 2140 int sectors; 2141 sector_t cylinders; 2142 ulong dummy; 2143 2144 heads = 64; 2145 sectors = 32; 2146 2147 dummy = heads * sectors; 2148 cylinders = capacity; 2149 sector_div(cylinders,dummy); 2150 2151 /* 2152 * Handle extended translation size for logical drives 2153 * > 1Gb 2154 */ 2155 if ((ulong)capacity >= 0x200000) { 2156 heads = 255; 2157 sectors = 63; 2158 dummy = heads * sectors; 2159 cylinders = capacity; 2160 sector_div(cylinders,dummy); 2161 } 2162 2163 /* return result */ 2164 geom[0] = heads; 2165 geom[1] = sectors; 2166 geom[2] = cylinders; 2167 2168 return 0; 2169} 2170 2171/* Search IOC page 3 to determine if this is hidden physical disk 2172 * 2173 */ 2174int 2175mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id) 2176{ 2177 struct inactive_raid_component_info *component_info; 2178 int i, j; 2179 RaidPhysDiskPage1_t *phys_disk; 2180 int rc = 0; 2181 int num_paths; 2182 2183 if (!ioc->raid_data.pIocPg3) 2184 goto out; 2185 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2186 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) && 2187 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) { 2188 rc = 1; 2189 goto out; 2190 } 2191 } 2192 2193 if (ioc->bus_type != SAS) 2194 goto out; 2195 2196 /* 2197 * Check if dual path 2198 */ 2199 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2200 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, 2201 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum); 2202 if (num_paths < 2) 2203 continue; 2204 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) + 2205 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL); 2206 if (!phys_disk) 2207 continue; 2208 if ((mpt_raid_phys_disk_pg1(ioc, 2209 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum, 2210 phys_disk))) { 2211 kfree(phys_disk); 2212 continue; 2213 } 2214 for (j = 0; j < num_paths; j++) { 2215 if ((phys_disk->Path[j].Flags & 2216 MPI_RAID_PHYSDISK1_FLAG_INVALID)) 2217 continue; 2218 if ((phys_disk->Path[j].Flags & 2219 MPI_RAID_PHYSDISK1_FLAG_BROKEN)) 2220 continue; 2221 if ((id == phys_disk->Path[j].PhysDiskID) && 2222 (channel == phys_disk->Path[j].PhysDiskBus)) { 2223 rc = 1; 2224 kfree(phys_disk); 2225 goto out; 2226 } 2227 } 2228 kfree(phys_disk); 2229 } 2230 2231 2232 /* 2233 * Check inactive list for matching phys disks 2234 */ 2235 if (list_empty(&ioc->raid_data.inactive_list)) 2236 goto out; 2237 2238 mutex_lock(&ioc->raid_data.inactive_list_mutex); 2239 list_for_each_entry(component_info, &ioc->raid_data.inactive_list, 2240 list) { 2241 if ((component_info->d.PhysDiskID == id) && 2242 (component_info->d.PhysDiskBus == channel)) 2243 rc = 1; 2244 } 2245 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 2246 2247 out: 2248 return rc; 2249} 2250EXPORT_SYMBOL(mptscsih_is_phys_disk); 2251 2252u8 2253mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id) 2254{ 2255 struct inactive_raid_component_info *component_info; 2256 int i, j; 2257 RaidPhysDiskPage1_t *phys_disk; 2258 int rc = -ENXIO; 2259 int num_paths; 2260 2261 if (!ioc->raid_data.pIocPg3) 2262 goto out; 2263 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2264 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) && 2265 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) { 2266 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum; 2267 goto out; 2268 } 2269 } 2270 2271 if (ioc->bus_type != SAS) 2272 goto out; 2273 2274 /* 2275 * Check if dual path 2276 */ 2277 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2278 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, 2279 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum); 2280 if (num_paths < 2) 2281 continue; 2282 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) + 2283 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL); 2284 if (!phys_disk) 2285 continue; 2286 if ((mpt_raid_phys_disk_pg1(ioc, 2287 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum, 2288 phys_disk))) { 2289 kfree(phys_disk); 2290 continue; 2291 } 2292 for (j = 0; j < num_paths; j++) { 2293 if ((phys_disk->Path[j].Flags & 2294 MPI_RAID_PHYSDISK1_FLAG_INVALID)) 2295 continue; 2296 if ((phys_disk->Path[j].Flags & 2297 MPI_RAID_PHYSDISK1_FLAG_BROKEN)) 2298 continue; 2299 if ((id == phys_disk->Path[j].PhysDiskID) && 2300 (channel == phys_disk->Path[j].PhysDiskBus)) { 2301 rc = phys_disk->PhysDiskNum; 2302 kfree(phys_disk); 2303 goto out; 2304 } 2305 } 2306 kfree(phys_disk); 2307 } 2308 2309 /* 2310 * Check inactive list for matching phys disks 2311 */ 2312 if (list_empty(&ioc->raid_data.inactive_list)) 2313 goto out; 2314 2315 mutex_lock(&ioc->raid_data.inactive_list_mutex); 2316 list_for_each_entry(component_info, &ioc->raid_data.inactive_list, 2317 list) { 2318 if ((component_info->d.PhysDiskID == id) && 2319 (component_info->d.PhysDiskBus == channel)) 2320 rc = component_info->d.PhysDiskNum; 2321 } 2322 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 2323 2324 out: 2325 return rc; 2326} 2327EXPORT_SYMBOL(mptscsih_raid_id_to_num); 2328 2329/* 2330 * OS entry point to allow for host driver to free allocated memory 2331 * Called if no device present or device being unloaded 2332 */ 2333void 2334mptscsih_slave_destroy(struct scsi_device *sdev) 2335{ 2336 struct Scsi_Host *host = sdev->host; 2337 MPT_SCSI_HOST *hd = shost_priv(host); 2338 VirtTarget *vtarget; 2339 VirtDevice *vdevice; 2340 struct scsi_target *starget; 2341 2342 starget = scsi_target(sdev); 2343 vtarget = starget->hostdata; 2344 vdevice = sdev->hostdata; 2345 if (!vdevice) 2346 return; 2347 2348 mptscsih_search_running_cmds(hd, vdevice); 2349 vtarget->num_luns--; 2350 mptscsih_synchronize_cache(hd, vdevice); 2351 kfree(vdevice); 2352 sdev->hostdata = NULL; 2353} 2354 2355/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2356/* 2357 * mptscsih_change_queue_depth - This function will set a devices queue depth 2358 * @sdev: per scsi_device pointer 2359 * @qdepth: requested queue depth 2360 * 2361 * Adding support for new 'change_queue_depth' api. 2362*/ 2363int 2364mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth) 2365{ 2366 MPT_SCSI_HOST *hd = shost_priv(sdev->host); 2367 VirtTarget *vtarget; 2368 struct scsi_target *starget; 2369 int max_depth; 2370 MPT_ADAPTER *ioc = hd->ioc; 2371 2372 starget = scsi_target(sdev); 2373 vtarget = starget->hostdata; 2374 2375 if (ioc->bus_type == SPI) { 2376 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)) 2377 max_depth = 1; 2378 else if (sdev->type == TYPE_DISK && 2379 vtarget->minSyncFactor <= MPT_ULTRA160) 2380 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH; 2381 else 2382 max_depth = MPT_SCSI_CMD_PER_DEV_LOW; 2383 } else 2384 max_depth = ioc->sh->can_queue; 2385 2386 if (!sdev->tagged_supported) 2387 max_depth = 1; 2388 2389 if (qdepth > max_depth) 2390 qdepth = max_depth; 2391 2392 return scsi_change_queue_depth(sdev, qdepth); 2393} 2394 2395/* 2396 * OS entry point to adjust the queue_depths on a per-device basis. 2397 * Called once per device the bus scan. Use it to force the queue_depth 2398 * member to 1 if a device does not support Q tags. 2399 * Return non-zero if fails. 2400 */ 2401int 2402mptscsih_slave_configure(struct scsi_device *sdev) 2403{ 2404 struct Scsi_Host *sh = sdev->host; 2405 VirtTarget *vtarget; 2406 VirtDevice *vdevice; 2407 struct scsi_target *starget; 2408 MPT_SCSI_HOST *hd = shost_priv(sh); 2409 MPT_ADAPTER *ioc = hd->ioc; 2410 2411 starget = scsi_target(sdev); 2412 vtarget = starget->hostdata; 2413 vdevice = sdev->hostdata; 2414 2415 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2416 "device @ %p, channel=%d, id=%d, lun=%llu\n", 2417 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun)); 2418 if (ioc->bus_type == SPI) 2419 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2420 "sdtr %d wdtr %d ppr %d inq length=%d\n", 2421 ioc->name, sdev->sdtr, sdev->wdtr, 2422 sdev->ppr, sdev->inquiry_len)); 2423 2424 vdevice->configured_lun = 1; 2425 2426 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2427 "Queue depth=%d, tflags=%x\n", 2428 ioc->name, sdev->queue_depth, vtarget->tflags)); 2429 2430 if (ioc->bus_type == SPI) 2431 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2432 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n", 2433 ioc->name, vtarget->negoFlags, vtarget->maxOffset, 2434 vtarget->minSyncFactor)); 2435 2436 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH); 2437 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2438 "tagged %d, simple %d\n", 2439 ioc->name,sdev->tagged_supported, sdev->simple_tags)); 2440 2441 blk_queue_dma_alignment (sdev->request_queue, 512 - 1); 2442 2443 return 0; 2444} 2445 2446/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2447/* 2448 * Private routines... 2449 */ 2450 2451/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2452/* Utility function to copy sense data from the scsi_cmnd buffer 2453 * to the FC and SCSI target structures. 2454 * 2455 */ 2456static void 2457mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply) 2458{ 2459 VirtDevice *vdevice; 2460 SCSIIORequest_t *pReq; 2461 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount); 2462 MPT_ADAPTER *ioc = hd->ioc; 2463 2464 /* Get target structure 2465 */ 2466 pReq = (SCSIIORequest_t *) mf; 2467 vdevice = sc->device->hostdata; 2468 2469 if (sense_count) { 2470 u8 *sense_data; 2471 int req_index; 2472 2473 /* Copy the sense received into the scsi command block. */ 2474 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 2475 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC)); 2476 memcpy(sc->sense_buffer, sense_data, MPT_SENSE_BUFFER_ALLOC); 2477 2478 /* Log SMART data (asc = 0x5D, non-IM case only) if required. 2479 */ 2480 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) { 2481 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) { 2482 int idx; 2483 2484 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE; 2485 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE; 2486 ioc->events[idx].eventContext = ioc->eventContext; 2487 2488 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) | 2489 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) | 2490 (sc->device->channel << 8) | sc->device->id; 2491 2492 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12]; 2493 2494 ioc->eventContext++; 2495 if (ioc->pcidev->vendor == 2496 PCI_VENDOR_ID_IBM) { 2497 mptscsih_issue_sep_command(ioc, 2498 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); 2499 vdevice->vtarget->tflags |= 2500 MPT_TARGET_FLAGS_LED_ON; 2501 } 2502 } 2503 } 2504 } else { 2505 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n", 2506 ioc->name)); 2507 } 2508} 2509 2510/** 2511 * mptscsih_get_scsi_lookup - retrieves scmd entry 2512 * @ioc: Pointer to MPT_ADAPTER structure 2513 * @i: index into the array 2514 * 2515 * Returns the scsi_cmd pointer 2516 */ 2517struct scsi_cmnd * 2518mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i) 2519{ 2520 unsigned long flags; 2521 struct scsi_cmnd *scmd; 2522 2523 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2524 scmd = ioc->ScsiLookup[i]; 2525 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2526 2527 return scmd; 2528} 2529EXPORT_SYMBOL(mptscsih_get_scsi_lookup); 2530 2531/** 2532 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list 2533 * @ioc: Pointer to MPT_ADAPTER structure 2534 * @i: index into the array 2535 * 2536 * Returns the scsi_cmd pointer 2537 * 2538 **/ 2539static struct scsi_cmnd * 2540mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i) 2541{ 2542 unsigned long flags; 2543 struct scsi_cmnd *scmd; 2544 2545 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2546 scmd = ioc->ScsiLookup[i]; 2547 ioc->ScsiLookup[i] = NULL; 2548 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2549 2550 return scmd; 2551} 2552 2553/** 2554 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list 2555 * 2556 * @ioc: Pointer to MPT_ADAPTER structure 2557 * @i: index into the array 2558 * @scmd: scsi_cmnd pointer 2559 * 2560 **/ 2561static void 2562mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd) 2563{ 2564 unsigned long flags; 2565 2566 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2567 ioc->ScsiLookup[i] = scmd; 2568 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2569} 2570 2571/** 2572 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list 2573 * @ioc: Pointer to MPT_ADAPTER structure 2574 * @sc: scsi_cmnd pointer 2575 */ 2576static int 2577SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc) 2578{ 2579 unsigned long flags; 2580 int i, index=-1; 2581 2582 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2583 for (i = 0; i < ioc->req_depth; i++) { 2584 if (ioc->ScsiLookup[i] == sc) { 2585 index = i; 2586 goto out; 2587 } 2588 } 2589 2590 out: 2591 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2592 return index; 2593} 2594 2595/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2596int 2597mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) 2598{ 2599 MPT_SCSI_HOST *hd; 2600 2601 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL) 2602 return 0; 2603 2604 hd = shost_priv(ioc->sh); 2605 switch (reset_phase) { 2606 case MPT_IOC_SETUP_RESET: 2607 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2608 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__)); 2609 break; 2610 case MPT_IOC_PRE_RESET: 2611 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2612 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__)); 2613 mptscsih_flush_running_cmds(hd); 2614 break; 2615 case MPT_IOC_POST_RESET: 2616 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2617 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__)); 2618 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) { 2619 ioc->internal_cmds.status |= 2620 MPT_MGMT_STATUS_DID_IOCRESET; 2621 complete(&ioc->internal_cmds.done); 2622 } 2623 break; 2624 default: 2625 break; 2626 } 2627 return 1; /* currently means nothing really */ 2628} 2629 2630/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2631int 2632mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) 2633{ 2634 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; 2635 2636 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2637 "MPT event (=%02Xh) routed to SCSI host driver!\n", 2638 ioc->name, event)); 2639 2640 if ((event == MPI_EVENT_IOC_BUS_RESET || 2641 event == MPI_EVENT_EXT_BUS_RESET) && 2642 (ioc->bus_type == SPI) && (ioc->soft_resets < -1)) 2643 ioc->soft_resets++; 2644 2645 return 1; /* currently means nothing really */ 2646} 2647 2648/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2649/* 2650 * Bus Scan and Domain Validation functionality ... 2651 */ 2652 2653/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2654/* 2655 * mptscsih_scandv_complete - Scan and DV callback routine registered 2656 * to Fustion MPT (base) driver. 2657 * 2658 * @ioc: Pointer to MPT_ADAPTER structure 2659 * @mf: Pointer to original MPT request frame 2660 * @mr: Pointer to MPT reply frame (NULL if TurboReply) 2661 * 2662 * This routine is called from mpt.c::mpt_interrupt() at the completion 2663 * of any SCSI IO request. 2664 * This routine is registered with the Fusion MPT (base) driver at driver 2665 * load/init time via the mpt_register() API call. 2666 * 2667 * Returns 1 indicating alloc'd request frame ptr should be freed. 2668 * 2669 * Remark: Sets a completion code and (possibly) saves sense data 2670 * in the IOC member localReply structure. 2671 * Used ONLY for DV and other internal commands. 2672 */ 2673int 2674mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, 2675 MPT_FRAME_HDR *reply) 2676{ 2677 SCSIIORequest_t *pReq; 2678 SCSIIOReply_t *pReply; 2679 u8 cmd; 2680 u16 req_idx; 2681 u8 *sense_data; 2682 int sz; 2683 2684 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 2685 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD; 2686 if (!reply) 2687 goto out; 2688 2689 pReply = (SCSIIOReply_t *) reply; 2690 pReq = (SCSIIORequest_t *) req; 2691 ioc->internal_cmds.completion_code = 2692 mptscsih_get_completion_code(ioc, req, reply); 2693 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID; 2694 memcpy(ioc->internal_cmds.reply, reply, 2695 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength)); 2696 cmd = reply->u.hdr.Function; 2697 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) || 2698 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) && 2699 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) { 2700 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx); 2701 sense_data = ((u8 *)ioc->sense_buf_pool + 2702 (req_idx * MPT_SENSE_BUFFER_ALLOC)); 2703 sz = min_t(int, pReq->SenseBufferLength, 2704 MPT_SENSE_BUFFER_ALLOC); 2705 memcpy(ioc->internal_cmds.sense, sense_data, sz); 2706 } 2707 out: 2708 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING)) 2709 return 0; 2710 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 2711 complete(&ioc->internal_cmds.done); 2712 return 1; 2713} 2714 2715 2716/** 2717 * mptscsih_get_completion_code - get completion code from MPT request 2718 * @ioc: Pointer to MPT_ADAPTER structure 2719 * @req: Pointer to original MPT request frame 2720 * @reply: Pointer to MPT reply frame (NULL if TurboReply) 2721 * 2722 **/ 2723static int 2724mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, 2725 MPT_FRAME_HDR *reply) 2726{ 2727 SCSIIOReply_t *pReply; 2728 MpiRaidActionReply_t *pr; 2729 u8 scsi_status; 2730 u16 status; 2731 int completion_code; 2732 2733 pReply = (SCSIIOReply_t *)reply; 2734 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK; 2735 scsi_status = pReply->SCSIStatus; 2736 2737 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2738 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh," 2739 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState, 2740 scsi_status, le32_to_cpu(pReply->IOCLogInfo))); 2741 2742 switch (status) { 2743 2744 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ 2745 completion_code = MPT_SCANDV_SELECTION_TIMEOUT; 2746 break; 2747 2748 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ 2749 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ 2750 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ 2751 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ 2752 completion_code = MPT_SCANDV_DID_RESET; 2753 break; 2754 2755 case MPI_IOCSTATUS_BUSY: 2756 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: 2757 completion_code = MPT_SCANDV_BUSY; 2758 break; 2759 2760 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ 2761 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ 2762 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ 2763 if (pReply->Function == MPI_FUNCTION_CONFIG) { 2764 completion_code = MPT_SCANDV_GOOD; 2765 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) { 2766 pr = (MpiRaidActionReply_t *)reply; 2767 if (le16_to_cpu(pr->ActionStatus) == 2768 MPI_RAID_ACTION_ASTATUS_SUCCESS) 2769 completion_code = MPT_SCANDV_GOOD; 2770 else 2771 completion_code = MPT_SCANDV_SOME_ERROR; 2772 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) 2773 completion_code = MPT_SCANDV_SENSE; 2774 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) { 2775 if (req->u.scsireq.CDB[0] == INQUIRY) 2776 completion_code = MPT_SCANDV_ISSUE_SENSE; 2777 else 2778 completion_code = MPT_SCANDV_DID_RESET; 2779 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS) 2780 completion_code = MPT_SCANDV_DID_RESET; 2781 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) 2782 completion_code = MPT_SCANDV_DID_RESET; 2783 else if (scsi_status == MPI_SCSI_STATUS_BUSY) 2784 completion_code = MPT_SCANDV_BUSY; 2785 else 2786 completion_code = MPT_SCANDV_GOOD; 2787 break; 2788 2789 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ 2790 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) 2791 completion_code = MPT_SCANDV_DID_RESET; 2792 else 2793 completion_code = MPT_SCANDV_SOME_ERROR; 2794 break; 2795 default: 2796 completion_code = MPT_SCANDV_SOME_ERROR; 2797 break; 2798 2799 } /* switch(status) */ 2800 2801 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2802 " completionCode set to %08xh\n", ioc->name, completion_code)); 2803 return completion_code; 2804} 2805 2806/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2807/** 2808 * mptscsih_do_cmd - Do internal command. 2809 * @hd: MPT_SCSI_HOST pointer 2810 * @io: INTERNAL_CMD pointer. 2811 * 2812 * Issue the specified internally generated command and do command 2813 * specific cleanup. For bus scan / DV only. 2814 * NOTES: If command is Inquiry and status is good, 2815 * initialize a target structure, save the data 2816 * 2817 * Remark: Single threaded access only. 2818 * 2819 * Return: 2820 * < 0 if an illegal command or no resources 2821 * 2822 * 0 if good 2823 * 2824 * > 0 if command complete but some type of completion error. 2825 */ 2826static int 2827mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io) 2828{ 2829 MPT_FRAME_HDR *mf; 2830 SCSIIORequest_t *pScsiReq; 2831 int my_idx, ii, dir; 2832 int timeout; 2833 char cmdLen; 2834 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; 2835 u8 cmd = io->cmd; 2836 MPT_ADAPTER *ioc = hd->ioc; 2837 int ret = 0; 2838 unsigned long timeleft; 2839 unsigned long flags; 2840 2841 /* don't send internal command during diag reset */ 2842 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 2843 if (ioc->ioc_reset_in_progress) { 2844 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 2845 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2846 "%s: busy with host reset\n", ioc->name, __func__)); 2847 return MPT_SCANDV_BUSY; 2848 } 2849 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 2850 2851 mutex_lock(&ioc->internal_cmds.mutex); 2852 2853 /* Set command specific information 2854 */ 2855 switch (cmd) { 2856 case INQUIRY: 2857 cmdLen = 6; 2858 dir = MPI_SCSIIO_CONTROL_READ; 2859 CDB[0] = cmd; 2860 CDB[4] = io->size; 2861 timeout = 10; 2862 break; 2863 2864 case TEST_UNIT_READY: 2865 cmdLen = 6; 2866 dir = MPI_SCSIIO_CONTROL_READ; 2867 timeout = 10; 2868 break; 2869 2870 case START_STOP: 2871 cmdLen = 6; 2872 dir = MPI_SCSIIO_CONTROL_READ; 2873 CDB[0] = cmd; 2874 CDB[4] = 1; /*Spin up the disk */ 2875 timeout = 15; 2876 break; 2877 2878 case REQUEST_SENSE: 2879 cmdLen = 6; 2880 CDB[0] = cmd; 2881 CDB[4] = io->size; 2882 dir = MPI_SCSIIO_CONTROL_READ; 2883 timeout = 10; 2884 break; 2885 2886 case READ_BUFFER: 2887 cmdLen = 10; 2888 dir = MPI_SCSIIO_CONTROL_READ; 2889 CDB[0] = cmd; 2890 if (io->flags & MPT_ICFLAG_ECHO) { 2891 CDB[1] = 0x0A; 2892 } else { 2893 CDB[1] = 0x02; 2894 } 2895 2896 if (io->flags & MPT_ICFLAG_BUF_CAP) { 2897 CDB[1] |= 0x01; 2898 } 2899 CDB[6] = (io->size >> 16) & 0xFF; 2900 CDB[7] = (io->size >> 8) & 0xFF; 2901 CDB[8] = io->size & 0xFF; 2902 timeout = 10; 2903 break; 2904 2905 case WRITE_BUFFER: 2906 cmdLen = 10; 2907 dir = MPI_SCSIIO_CONTROL_WRITE; 2908 CDB[0] = cmd; 2909 if (io->flags & MPT_ICFLAG_ECHO) { 2910 CDB[1] = 0x0A; 2911 } else { 2912 CDB[1] = 0x02; 2913 } 2914 CDB[6] = (io->size >> 16) & 0xFF; 2915 CDB[7] = (io->size >> 8) & 0xFF; 2916 CDB[8] = io->size & 0xFF; 2917 timeout = 10; 2918 break; 2919 2920 case RESERVE: 2921 cmdLen = 6; 2922 dir = MPI_SCSIIO_CONTROL_READ; 2923 CDB[0] = cmd; 2924 timeout = 10; 2925 break; 2926 2927 case RELEASE: 2928 cmdLen = 6; 2929 dir = MPI_SCSIIO_CONTROL_READ; 2930 CDB[0] = cmd; 2931 timeout = 10; 2932 break; 2933 2934 case SYNCHRONIZE_CACHE: 2935 cmdLen = 10; 2936 dir = MPI_SCSIIO_CONTROL_READ; 2937 CDB[0] = cmd; 2938// CDB[1] = 0x02; /* set immediate bit */ 2939 timeout = 10; 2940 break; 2941 2942 default: 2943 /* Error Case */ 2944 ret = -EFAULT; 2945 goto out; 2946 } 2947 2948 /* Get and Populate a free Frame 2949 * MsgContext set in mpt_get_msg_frame call 2950 */ 2951 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) { 2952 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n", 2953 ioc->name, __func__)); 2954 ret = MPT_SCANDV_BUSY; 2955 goto out; 2956 } 2957 2958 pScsiReq = (SCSIIORequest_t *) mf; 2959 2960 /* Get the request index */ 2961 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 2962 ADD_INDEX_LOG(my_idx); /* for debug */ 2963 2964 if (io->flags & MPT_ICFLAG_PHYS_DISK) { 2965 pScsiReq->TargetID = io->physDiskNum; 2966 pScsiReq->Bus = 0; 2967 pScsiReq->ChainOffset = 0; 2968 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 2969 } else { 2970 pScsiReq->TargetID = io->id; 2971 pScsiReq->Bus = io->channel; 2972 pScsiReq->ChainOffset = 0; 2973 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 2974 } 2975 2976 pScsiReq->CDBLength = cmdLen; 2977 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 2978 2979 pScsiReq->Reserved = 0; 2980 2981 pScsiReq->MsgFlags = mpt_msg_flags(ioc); 2982 /* MsgContext set in mpt_get_msg_fram call */ 2983 2984 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN); 2985 2986 if (io->flags & MPT_ICFLAG_TAGGED_CMD) 2987 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ); 2988 else 2989 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); 2990 2991 if (cmd == REQUEST_SENSE) { 2992 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); 2993 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2994 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd)); 2995 } 2996 2997 for (ii = 0; ii < 16; ii++) 2998 pScsiReq->CDB[ii] = CDB[ii]; 2999 3000 pScsiReq->DataLength = cpu_to_le32(io->size); 3001 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma 3002 + (my_idx * MPT_SENSE_BUFFER_ALLOC)); 3003 3004 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3005 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n", 3006 ioc->name, __func__, cmd, io->channel, io->id, io->lun)); 3007 3008 if (dir == MPI_SCSIIO_CONTROL_READ) 3009 ioc->add_sge((char *) &pScsiReq->SGL, 3010 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma); 3011 else 3012 ioc->add_sge((char *) &pScsiReq->SGL, 3013 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma); 3014 3015 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status) 3016 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf); 3017 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done, 3018 timeout*HZ); 3019 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 3020 ret = MPT_SCANDV_DID_RESET; 3021 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3022 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__, 3023 cmd)); 3024 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { 3025 mpt_free_msg_frame(ioc, mf); 3026 goto out; 3027 } 3028 if (!timeleft) { 3029 printk(MYIOC_s_WARN_FMT 3030 "Issuing Reset from %s!! doorbell=0x%08xh" 3031 " cmd=0x%02x\n", 3032 ioc->name, __func__, mpt_GetIocState(ioc, 0), 3033 cmd); 3034 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 3035 mpt_free_msg_frame(ioc, mf); 3036 } 3037 goto out; 3038 } 3039 3040 ret = ioc->internal_cmds.completion_code; 3041 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n", 3042 ioc->name, __func__, ret)); 3043 3044 out: 3045 CLEAR_MGMT_STATUS(ioc->internal_cmds.status) 3046 mutex_unlock(&ioc->internal_cmds.mutex); 3047 return ret; 3048} 3049 3050/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3051/** 3052 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks. 3053 * @hd: Pointer to a SCSI HOST structure 3054 * @vdevice: virtual target device 3055 * 3056 * Uses the ISR, but with special processing. 3057 * MUST be single-threaded. 3058 * 3059 */ 3060static void 3061mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice) 3062{ 3063 INTERNAL_CMD iocmd; 3064 3065 /* Ignore hidden raid components, this is handled when the command 3066 * is sent to the volume 3067 */ 3068 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 3069 return; 3070 3071 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted || 3072 !vdevice->configured_lun) 3073 return; 3074 3075 /* Following parameters will not change 3076 * in this routine. 3077 */ 3078 iocmd.cmd = SYNCHRONIZE_CACHE; 3079 iocmd.flags = 0; 3080 iocmd.physDiskNum = -1; 3081 iocmd.data = NULL; 3082 iocmd.data_dma = -1; 3083 iocmd.size = 0; 3084 iocmd.rsvd = iocmd.rsvd2 = 0; 3085 iocmd.channel = vdevice->vtarget->channel; 3086 iocmd.id = vdevice->vtarget->id; 3087 iocmd.lun = vdevice->lun; 3088 3089 mptscsih_do_cmd(hd, &iocmd); 3090} 3091 3092static ssize_t 3093mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr, 3094 char *buf) 3095{ 3096 struct Scsi_Host *host = class_to_shost(dev); 3097 MPT_SCSI_HOST *hd = shost_priv(host); 3098 MPT_ADAPTER *ioc = hd->ioc; 3099 3100 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", 3101 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, 3102 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, 3103 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, 3104 ioc->facts.FWVersion.Word & 0x000000FF); 3105} 3106static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL); 3107 3108static ssize_t 3109mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr, 3110 char *buf) 3111{ 3112 struct Scsi_Host *host = class_to_shost(dev); 3113 MPT_SCSI_HOST *hd = shost_priv(host); 3114 MPT_ADAPTER *ioc = hd->ioc; 3115 3116 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 3117 (ioc->biosVersion & 0xFF000000) >> 24, 3118 (ioc->biosVersion & 0x00FF0000) >> 16, 3119 (ioc->biosVersion & 0x0000FF00) >> 8, 3120 ioc->biosVersion & 0x000000FF); 3121} 3122static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL); 3123 3124static ssize_t 3125mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr, 3126 char *buf) 3127{ 3128 struct Scsi_Host *host = class_to_shost(dev); 3129 MPT_SCSI_HOST *hd = shost_priv(host); 3130 MPT_ADAPTER *ioc = hd->ioc; 3131 3132 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion); 3133} 3134static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL); 3135 3136static ssize_t 3137mptscsih_version_product_show(struct device *dev, 3138 struct device_attribute *attr, 3139char *buf) 3140{ 3141 struct Scsi_Host *host = class_to_shost(dev); 3142 MPT_SCSI_HOST *hd = shost_priv(host); 3143 MPT_ADAPTER *ioc = hd->ioc; 3144 3145 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name); 3146} 3147static DEVICE_ATTR(version_product, S_IRUGO, 3148 mptscsih_version_product_show, NULL); 3149 3150static ssize_t 3151mptscsih_version_nvdata_persistent_show(struct device *dev, 3152 struct device_attribute *attr, 3153 char *buf) 3154{ 3155 struct Scsi_Host *host = class_to_shost(dev); 3156 MPT_SCSI_HOST *hd = shost_priv(host); 3157 MPT_ADAPTER *ioc = hd->ioc; 3158 3159 return snprintf(buf, PAGE_SIZE, "%02xh\n", 3160 ioc->nvdata_version_persistent); 3161} 3162static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO, 3163 mptscsih_version_nvdata_persistent_show, NULL); 3164 3165static ssize_t 3166mptscsih_version_nvdata_default_show(struct device *dev, 3167 struct device_attribute *attr, char *buf) 3168{ 3169 struct Scsi_Host *host = class_to_shost(dev); 3170 MPT_SCSI_HOST *hd = shost_priv(host); 3171 MPT_ADAPTER *ioc = hd->ioc; 3172 3173 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default); 3174} 3175static DEVICE_ATTR(version_nvdata_default, S_IRUGO, 3176 mptscsih_version_nvdata_default_show, NULL); 3177 3178static ssize_t 3179mptscsih_board_name_show(struct device *dev, struct device_attribute *attr, 3180 char *buf) 3181{ 3182 struct Scsi_Host *host = class_to_shost(dev); 3183 MPT_SCSI_HOST *hd = shost_priv(host); 3184 MPT_ADAPTER *ioc = hd->ioc; 3185 3186 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name); 3187} 3188static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL); 3189 3190static ssize_t 3191mptscsih_board_assembly_show(struct device *dev, 3192 struct device_attribute *attr, char *buf) 3193{ 3194 struct Scsi_Host *host = class_to_shost(dev); 3195 MPT_SCSI_HOST *hd = shost_priv(host); 3196 MPT_ADAPTER *ioc = hd->ioc; 3197 3198 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly); 3199} 3200static DEVICE_ATTR(board_assembly, S_IRUGO, 3201 mptscsih_board_assembly_show, NULL); 3202 3203static ssize_t 3204mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr, 3205 char *buf) 3206{ 3207 struct Scsi_Host *host = class_to_shost(dev); 3208 MPT_SCSI_HOST *hd = shost_priv(host); 3209 MPT_ADAPTER *ioc = hd->ioc; 3210 3211 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer); 3212} 3213static DEVICE_ATTR(board_tracer, S_IRUGO, 3214 mptscsih_board_tracer_show, NULL); 3215 3216static ssize_t 3217mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr, 3218 char *buf) 3219{ 3220 struct Scsi_Host *host = class_to_shost(dev); 3221 MPT_SCSI_HOST *hd = shost_priv(host); 3222 MPT_ADAPTER *ioc = hd->ioc; 3223 3224 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay); 3225} 3226static DEVICE_ATTR(io_delay, S_IRUGO, 3227 mptscsih_io_delay_show, NULL); 3228 3229static ssize_t 3230mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr, 3231 char *buf) 3232{ 3233 struct Scsi_Host *host = class_to_shost(dev); 3234 MPT_SCSI_HOST *hd = shost_priv(host); 3235 MPT_ADAPTER *ioc = hd->ioc; 3236 3237 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay); 3238} 3239static DEVICE_ATTR(device_delay, S_IRUGO, 3240 mptscsih_device_delay_show, NULL); 3241 3242static ssize_t 3243mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr, 3244 char *buf) 3245{ 3246 struct Scsi_Host *host = class_to_shost(dev); 3247 MPT_SCSI_HOST *hd = shost_priv(host); 3248 MPT_ADAPTER *ioc = hd->ioc; 3249 3250 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level); 3251} 3252static ssize_t 3253mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr, 3254 const char *buf, size_t count) 3255{ 3256 struct Scsi_Host *host = class_to_shost(dev); 3257 MPT_SCSI_HOST *hd = shost_priv(host); 3258 MPT_ADAPTER *ioc = hd->ioc; 3259 int val = 0; 3260 3261 if (sscanf(buf, "%x", &val) != 1) 3262 return -EINVAL; 3263 3264 ioc->debug_level = val; 3265 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n", 3266 ioc->name, ioc->debug_level); 3267 return strlen(buf); 3268} 3269static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR, 3270 mptscsih_debug_level_show, mptscsih_debug_level_store); 3271 3272static struct attribute *mptscsih_host_attrs[] = { 3273 &dev_attr_version_fw.attr, 3274 &dev_attr_version_bios.attr, 3275 &dev_attr_version_mpi.attr, 3276 &dev_attr_version_product.attr, 3277 &dev_attr_version_nvdata_persistent.attr, 3278 &dev_attr_version_nvdata_default.attr, 3279 &dev_attr_board_name.attr, 3280 &dev_attr_board_assembly.attr, 3281 &dev_attr_board_tracer.attr, 3282 &dev_attr_io_delay.attr, 3283 &dev_attr_device_delay.attr, 3284 &dev_attr_debug_level.attr, 3285 NULL, 3286}; 3287 3288static const struct attribute_group mptscsih_host_attr_group = { 3289 .attrs = mptscsih_host_attrs 3290}; 3291 3292const struct attribute_group *mptscsih_host_attr_groups[] = { 3293 &mptscsih_host_attr_group, 3294 NULL 3295}; 3296EXPORT_SYMBOL(mptscsih_host_attr_groups); 3297 3298EXPORT_SYMBOL(mptscsih_remove); 3299EXPORT_SYMBOL(mptscsih_shutdown); 3300#ifdef CONFIG_PM 3301EXPORT_SYMBOL(mptscsih_suspend); 3302EXPORT_SYMBOL(mptscsih_resume); 3303#endif 3304EXPORT_SYMBOL(mptscsih_show_info); 3305EXPORT_SYMBOL(mptscsih_info); 3306EXPORT_SYMBOL(mptscsih_qcmd); 3307EXPORT_SYMBOL(mptscsih_slave_destroy); 3308EXPORT_SYMBOL(mptscsih_slave_configure); 3309EXPORT_SYMBOL(mptscsih_abort); 3310EXPORT_SYMBOL(mptscsih_dev_reset); 3311EXPORT_SYMBOL(mptscsih_target_reset); 3312EXPORT_SYMBOL(mptscsih_bus_reset); 3313EXPORT_SYMBOL(mptscsih_host_reset); 3314EXPORT_SYMBOL(mptscsih_bios_param); 3315EXPORT_SYMBOL(mptscsih_io_done); 3316EXPORT_SYMBOL(mptscsih_taskmgmt_complete); 3317EXPORT_SYMBOL(mptscsih_scandv_complete); 3318EXPORT_SYMBOL(mptscsih_event_process); 3319EXPORT_SYMBOL(mptscsih_ioc_reset); 3320EXPORT_SYMBOL(mptscsih_change_queue_depth); 3321 3322/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3323