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/init.h> 50 #include <linux/errno.h> 51 #include <linux/kdev_t.h> 52 #include <linux/blkdev.h> 53 #include <linux/delay.h> /* for mdelay */ 54 #include <linux/interrupt.h> /* needed for in_interrupt() proto */ 55 #include <linux/reboot.h> /* notifier code */ 56 #include <linux/workqueue.h> 57 58 #include <scsi/scsi.h> 59 #include <scsi/scsi_cmnd.h> 60 #include <scsi/scsi_device.h> 61 #include <scsi/scsi_host.h> 62 #include <scsi/scsi_tcq.h> 63 #include <scsi/scsi_dbg.h> 64 65 #include "mptbase.h" 66 #include "mptscsih.h" 67 #include "lsi/mpi_log_sas.h" 68 69 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 70 #define my_NAME "Fusion MPT SCSI Host driver" 71 #define my_VERSION MPT_LINUX_VERSION_COMMON 72 #define MYNAM "mptscsih" 73 74 MODULE_AUTHOR(MODULEAUTHOR); 75 MODULE_DESCRIPTION(my_NAME); 76 MODULE_LICENSE("GPL"); 77 MODULE_VERSION(my_VERSION); 78 79 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 80 /* 81 * Other private/forward protos... 82 */ 83 static struct scsi_cmnd * mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i); 84 static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i); 85 static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd); 86 static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd); 87 int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); 88 static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq); 89 int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); 90 91 static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt, 92 SCSIIORequest_t *pReq, int req_idx); 93 static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx); 94 static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply); 95 static int mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd); 96 static int mptscsih_tm_wait_for_completion(MPT_SCSI_HOST * hd, ulong timeout ); 97 98 static int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int ctx2abort, ulong timeout); 99 100 int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset); 101 int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply); 102 103 int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); 104 static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd); 105 static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice); 106 107 void mptscsih_remove(struct pci_dev *); 108 void mptscsih_shutdown(struct pci_dev *); 109 #ifdef CONFIG_PM 110 int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state); 111 int mptscsih_resume(struct pci_dev *pdev); 112 #endif 113 114 #define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE 115 116 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 117 /** 118 * mptscsih_add_sge - Place a simple SGE at address pAddr. 119 * @pAddr: virtual address for SGE 120 * @flagslength: SGE flags and data transfer length 121 * @dma_addr: Physical address 122 * 123 * This routine places a MPT request frame back on the MPT adapter's 124 * FreeQ. 125 */ 126 static inline void 127 mptscsih_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr) 128 { 129 if (sizeof(dma_addr_t) == sizeof(u64)) { 130 SGESimple64_t *pSge = (SGESimple64_t *) pAddr; 131 u32 tmp = dma_addr & 0xFFFFFFFF; 132 133 pSge->FlagsLength = cpu_to_le32(flagslength); 134 pSge->Address.Low = cpu_to_le32(tmp); 135 tmp = (u32) ((u64)dma_addr >> 32); 136 pSge->Address.High = cpu_to_le32(tmp); 137 138 } else { 139 SGESimple32_t *pSge = (SGESimple32_t *) pAddr; 140 pSge->FlagsLength = cpu_to_le32(flagslength); 141 pSge->Address = cpu_to_le32(dma_addr); 142 } 143 } /* mptscsih_add_sge() */ 144 145 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 146 /** 147 * mptscsih_add_chain - Place a chain SGE at address pAddr. 148 * @pAddr: virtual address for SGE 149 * @next: nextChainOffset value (u32's) 150 * @length: length of next SGL segment 151 * @dma_addr: Physical address 152 * 153 * This routine places a MPT request frame back on the MPT adapter's 154 * FreeQ. 155 */ 156 static inline void 157 mptscsih_add_chain(char *pAddr, u8 next, u16 length, dma_addr_t dma_addr) 158 { 159 if (sizeof(dma_addr_t) == sizeof(u64)) { 160 SGEChain64_t *pChain = (SGEChain64_t *) pAddr; 161 u32 tmp = dma_addr & 0xFFFFFFFF; 162 163 pChain->Length = cpu_to_le16(length); 164 pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | mpt_addr_size(); 165 166 pChain->NextChainOffset = next; 167 168 pChain->Address.Low = cpu_to_le32(tmp); 169 tmp = (u32) ((u64)dma_addr >> 32); 170 pChain->Address.High = cpu_to_le32(tmp); 171 } else { 172 SGEChain32_t *pChain = (SGEChain32_t *) pAddr; 173 pChain->Length = cpu_to_le16(length); 174 pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | mpt_addr_size(); 175 pChain->NextChainOffset = next; 176 pChain->Address = cpu_to_le32(dma_addr); 177 } 178 } /* mptscsih_add_chain() */ 179 180 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 181 /* 182 * mptscsih_getFreeChainBuffer - Function to get a free chain 183 * from the MPT_SCSI_HOST FreeChainQ. 184 * @ioc: Pointer to MPT_ADAPTER structure 185 * @req_idx: Index of the SCSI IO request frame. (output) 186 * 187 * return SUCCESS or FAILED 188 */ 189 static inline int 190 mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex) 191 { 192 MPT_FRAME_HDR *chainBuf; 193 unsigned long flags; 194 int rc; 195 int chain_idx; 196 197 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n", 198 ioc->name)); 199 spin_lock_irqsave(&ioc->FreeQlock, flags); 200 if (!list_empty(&ioc->FreeChainQ)) { 201 int offset; 202 203 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR, 204 u.frame.linkage.list); 205 list_del(&chainBuf->u.frame.linkage.list); 206 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer; 207 chain_idx = offset / ioc->req_sz; 208 rc = SUCCESS; 209 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT 210 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n", 211 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx)); 212 } else { 213 rc = FAILED; 214 chain_idx = MPT_HOST_NO_CHAIN; 215 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n", 216 ioc->name)); 217 } 218 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 219 220 *retIndex = chain_idx; 221 return rc; 222 } /* mptscsih_getFreeChainBuffer() */ 223 224 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 225 /* 226 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the 227 * SCSIIORequest_t Message Frame. 228 * @ioc: Pointer to MPT_ADAPTER structure 229 * @SCpnt: Pointer to scsi_cmnd structure 230 * @pReq: Pointer to SCSIIORequest_t structure 231 * 232 * Returns ... 233 */ 234 static int 235 mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt, 236 SCSIIORequest_t *pReq, int req_idx) 237 { 238 char *psge; 239 char *chainSge; 240 struct scatterlist *sg; 241 int frm_sz; 242 int sges_left, sg_done; 243 int chain_idx = MPT_HOST_NO_CHAIN; 244 int sgeOffset; 245 int numSgeSlots, numSgeThisFrame; 246 u32 sgflags, sgdir, thisxfer = 0; 247 int chain_dma_off = 0; 248 int newIndex; 249 int ii; 250 dma_addr_t v2; 251 u32 RequestNB; 252 253 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK; 254 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) { 255 sgdir = MPT_TRANSFER_HOST_TO_IOC; 256 } else { 257 sgdir = MPT_TRANSFER_IOC_TO_HOST; 258 } 259 260 psge = (char *) &pReq->SGL; 261 frm_sz = ioc->req_sz; 262 263 /* Map the data portion, if any. 264 * sges_left = 0 if no data transfer. 265 */ 266 sges_left = scsi_dma_map(SCpnt); 267 if (sges_left < 0) 268 return FAILED; 269 270 /* Handle the SG case. 271 */ 272 sg = scsi_sglist(SCpnt); 273 sg_done = 0; 274 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION); 275 chainSge = NULL; 276 277 /* Prior to entering this loop - the following must be set 278 * current MF: sgeOffset (bytes) 279 * chainSge (Null if original MF is not a chain buffer) 280 * sg_done (num SGE done for this MF) 281 */ 282 283 nextSGEset: 284 numSgeSlots = ((frm_sz - sgeOffset) / (sizeof(u32) + sizeof(dma_addr_t)) ); 285 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots; 286 287 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | MPT_SGE_FLAGS_ADDRESSING | sgdir; 288 289 /* Get first (num - 1) SG elements 290 * Skip any SG entries with a length of 0 291 * NOTE: at finish, sg and psge pointed to NEXT data/location positions 292 */ 293 for (ii=0; ii < (numSgeThisFrame-1); ii++) { 294 thisxfer = sg_dma_len(sg); 295 if (thisxfer == 0) { 296 sg = sg_next(sg); /* Get next SG element from the OS */ 297 sg_done++; 298 continue; 299 } 300 301 v2 = sg_dma_address(sg); 302 mptscsih_add_sge(psge, sgflags | thisxfer, v2); 303 304 sg = sg_next(sg); /* Get next SG element from the OS */ 305 psge += (sizeof(u32) + sizeof(dma_addr_t)); 306 sgeOffset += (sizeof(u32) + sizeof(dma_addr_t)); 307 sg_done++; 308 } 309 310 if (numSgeThisFrame == sges_left) { 311 /* Add last element, end of buffer and end of list flags. 312 */ 313 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT | 314 MPT_SGE_FLAGS_END_OF_BUFFER | 315 MPT_SGE_FLAGS_END_OF_LIST; 316 317 /* Add last SGE and set termination flags. 318 * Note: Last SGE may have a length of 0 - which should be ok. 319 */ 320 thisxfer = sg_dma_len(sg); 321 322 v2 = sg_dma_address(sg); 323 mptscsih_add_sge(psge, sgflags | thisxfer, v2); 324 /* 325 sg = sg_next(sg); 326 psge += (sizeof(u32) + sizeof(dma_addr_t)); 327 */ 328 sgeOffset += (sizeof(u32) + sizeof(dma_addr_t)); 329 sg_done++; 330 331 if (chainSge) { 332 /* The current buffer is a chain buffer, 333 * but there is not another one. 334 * Update the chain element 335 * Offset and Length fields. 336 */ 337 mptscsih_add_chain((char *)chainSge, 0, sgeOffset, ioc->ChainBufferDMA + chain_dma_off); 338 } else { 339 /* The current buffer is the original MF 340 * and there is no Chain buffer. 341 */ 342 pReq->ChainOffset = 0; 343 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03; 344 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT 345 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset)); 346 ioc->RequestNB[req_idx] = RequestNB; 347 } 348 } else { 349 /* At least one chain buffer is needed. 350 * Complete the first MF 351 * - last SGE element, set the LastElement bit 352 * - set ChainOffset (words) for orig MF 353 * (OR finish previous MF chain buffer) 354 * - update MFStructPtr ChainIndex 355 * - Populate chain element 356 * Also 357 * Loop until done. 358 */ 359 360 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n", 361 ioc->name, sg_done)); 362 363 /* Set LAST_ELEMENT flag for last non-chain element 364 * in the buffer. Since psge points at the NEXT 365 * SGE element, go back one SGE element, update the flags 366 * and reset the pointer. (Note: sgflags & thisxfer are already 367 * set properly). 368 */ 369 if (sg_done) { 370 u32 *ptmp = (u32 *) (psge - (sizeof(u32) + sizeof(dma_addr_t))); 371 sgflags = le32_to_cpu(*ptmp); 372 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT; 373 *ptmp = cpu_to_le32(sgflags); 374 } 375 376 if (chainSge) { 377 /* The current buffer is a chain buffer. 378 * chainSge points to the previous Chain Element. 379 * Update its chain element Offset and Length (must 380 * include chain element size) fields. 381 * Old chain element is now complete. 382 */ 383 u8 nextChain = (u8) (sgeOffset >> 2); 384 sgeOffset += (sizeof(u32) + sizeof(dma_addr_t)); 385 mptscsih_add_chain((char *)chainSge, nextChain, sgeOffset, ioc->ChainBufferDMA + chain_dma_off); 386 } else { 387 /* The original MF buffer requires a chain buffer - 388 * set the offset. 389 * Last element in this MF is a chain element. 390 */ 391 pReq->ChainOffset = (u8) (sgeOffset >> 2); 392 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03; 393 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset)); 394 ioc->RequestNB[req_idx] = RequestNB; 395 } 396 397 sges_left -= sg_done; 398 399 400 /* NOTE: psge points to the beginning of the chain element 401 * in current buffer. Get a chain buffer. 402 */ 403 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) { 404 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 405 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n", 406 ioc->name, pReq->CDB[0], SCpnt)); 407 return FAILED; 408 } 409 410 /* Update the tracking arrays. 411 * If chainSge == NULL, update ReqToChain, else ChainToChain 412 */ 413 if (chainSge) { 414 ioc->ChainToChain[chain_idx] = newIndex; 415 } else { 416 ioc->ReqToChain[req_idx] = newIndex; 417 } 418 chain_idx = newIndex; 419 chain_dma_off = ioc->req_sz * chain_idx; 420 421 /* Populate the chainSGE for the current buffer. 422 * - Set chain buffer pointer to psge and fill 423 * out the Address and Flags fields. 424 */ 425 chainSge = (char *) psge; 426 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)", 427 ioc->name, psge, req_idx)); 428 429 /* Start the SGE for the next buffer 430 */ 431 psge = (char *) (ioc->ChainBuffer + chain_dma_off); 432 sgeOffset = 0; 433 sg_done = 0; 434 435 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n", 436 ioc->name, psge, chain_idx)); 437 438 /* Start the SGE for the next buffer 439 */ 440 441 goto nextSGEset; 442 } 443 444 return SUCCESS; 445 } /* mptscsih_AddSGE() */ 446 447 static void 448 mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget, 449 U32 SlotStatus) 450 { 451 MPT_FRAME_HDR *mf; 452 SEPRequest_t *SEPMsg; 453 454 if (ioc->bus_type != SAS) 455 return; 456 457 /* Not supported for hidden raid components 458 */ 459 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 460 return; 461 462 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) { 463 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n", 464 ioc->name,__func__)); 465 return; 466 } 467 468 SEPMsg = (SEPRequest_t *)mf; 469 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; 470 SEPMsg->Bus = vtarget->channel; 471 SEPMsg->TargetID = vtarget->id; 472 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS; 473 SEPMsg->SlotStatus = SlotStatus; 474 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 475 "Sending SEP cmd=%x channel=%d id=%d\n", 476 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID)); 477 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); 478 } 479 480 #ifdef CONFIG_FUSION_LOGGING 481 /** 482 * mptscsih_info_scsiio - debug print info on reply frame 483 * @ioc: Pointer to MPT_ADAPTER structure 484 * @sc: original scsi cmnd pointer 485 * @pScsiReply: Pointer to MPT reply frame 486 * 487 * MPT_DEBUG_REPLY needs to be enabled to obtain this info 488 * 489 * Refer to lsi/mpi.h. 490 **/ 491 static void 492 mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply) 493 { 494 char *desc = NULL; 495 char *desc1 = NULL; 496 u16 ioc_status; 497 u8 skey, asc, ascq; 498 499 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK; 500 501 switch (ioc_status) { 502 503 case MPI_IOCSTATUS_SUCCESS: 504 desc = "success"; 505 break; 506 case MPI_IOCSTATUS_SCSI_INVALID_BUS: 507 desc = "invalid bus"; 508 break; 509 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: 510 desc = "invalid target_id"; 511 break; 512 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 513 desc = "device not there"; 514 break; 515 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: 516 desc = "data overrun"; 517 break; 518 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: 519 desc = "data underrun"; 520 break; 521 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: 522 desc = "I/O data error"; 523 break; 524 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: 525 desc = "protocol error"; 526 break; 527 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: 528 desc = "task terminated"; 529 break; 530 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 531 desc = "residual mismatch"; 532 break; 533 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 534 desc = "task management failed"; 535 break; 536 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: 537 desc = "IOC terminated"; 538 break; 539 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: 540 desc = "ext terminated"; 541 break; 542 default: 543 desc = ""; 544 break; 545 } 546 547 switch (pScsiReply->SCSIStatus) 548 { 549 550 case MPI_SCSI_STATUS_SUCCESS: 551 desc1 = "success"; 552 break; 553 case MPI_SCSI_STATUS_CHECK_CONDITION: 554 desc1 = "check condition"; 555 break; 556 case MPI_SCSI_STATUS_CONDITION_MET: 557 desc1 = "condition met"; 558 break; 559 case MPI_SCSI_STATUS_BUSY: 560 desc1 = "busy"; 561 break; 562 case MPI_SCSI_STATUS_INTERMEDIATE: 563 desc1 = "intermediate"; 564 break; 565 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET: 566 desc1 = "intermediate condmet"; 567 break; 568 case MPI_SCSI_STATUS_RESERVATION_CONFLICT: 569 desc1 = "reservation conflict"; 570 break; 571 case MPI_SCSI_STATUS_COMMAND_TERMINATED: 572 desc1 = "command terminated"; 573 break; 574 case MPI_SCSI_STATUS_TASK_SET_FULL: 575 desc1 = "task set full"; 576 break; 577 case MPI_SCSI_STATUS_ACA_ACTIVE: 578 desc1 = "aca active"; 579 break; 580 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT: 581 desc1 = "fcpext device logged out"; 582 break; 583 case MPI_SCSI_STATUS_FCPEXT_NO_LINK: 584 desc1 = "fcpext no link"; 585 break; 586 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED: 587 desc1 = "fcpext unassigned"; 588 break; 589 default: 590 desc1 = ""; 591 break; 592 } 593 594 scsi_print_command(sc); 595 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d\n", 596 ioc->name, pScsiReply->Bus, pScsiReply->TargetID); 597 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, " 598 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow, 599 scsi_get_resid(sc)); 600 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, " 601 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag), 602 le32_to_cpu(pScsiReply->TransferCount), sc->result); 603 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), " 604 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n", 605 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus, 606 pScsiReply->SCSIState); 607 608 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) { 609 skey = sc->sense_buffer[2] & 0x0F; 610 asc = sc->sense_buffer[12]; 611 ascq = sc->sense_buffer[13]; 612 613 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: " 614 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq); 615 } 616 617 /* 618 * Look for + dump FCP ResponseInfo[]! 619 */ 620 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID && 621 pScsiReply->ResponseInfo) 622 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n", 623 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo)); 624 } 625 #endif 626 627 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 628 /* 629 * mptscsih_io_done - Main SCSI IO callback routine registered to 630 * Fusion MPT (base) driver 631 * @ioc: Pointer to MPT_ADAPTER structure 632 * @mf: Pointer to original MPT request frame 633 * @r: Pointer to MPT reply frame (NULL if TurboReply) 634 * 635 * This routine is called from mpt.c::mpt_interrupt() at the completion 636 * of any SCSI IO request. 637 * This routine is registered with the Fusion MPT (base) driver at driver 638 * load/init time via the mpt_register() API call. 639 * 640 * Returns 1 indicating alloc'd request frame ptr should be freed. 641 */ 642 int 643 mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) 644 { 645 struct scsi_cmnd *sc; 646 MPT_SCSI_HOST *hd; 647 SCSIIORequest_t *pScsiReq; 648 SCSIIOReply_t *pScsiReply; 649 u16 req_idx, req_idx_MR; 650 VirtDevice *vdevice; 651 VirtTarget *vtarget; 652 653 hd = shost_priv(ioc->sh); 654 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 655 req_idx_MR = (mr != NULL) ? 656 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx; 657 if ((req_idx != req_idx_MR) || 658 (mf->u.frame.linkage.arg1 == 0xdeadbeaf)) { 659 printk(MYIOC_s_ERR_FMT "Received a mf that was already freed\n", 660 ioc->name); 661 printk (MYIOC_s_ERR_FMT 662 "req_idx=%x req_idx_MR=%x mf=%p mr=%p sc=%p\n", 663 ioc->name, req_idx, req_idx_MR, mf, mr, 664 mptscsih_get_scsi_lookup(ioc, req_idx_MR)); 665 return 0; 666 } 667 668 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx); 669 if (sc == NULL) { 670 MPIHeader_t *hdr = (MPIHeader_t *)mf; 671 672 /* Remark: writeSDP1 will use the ScsiDoneCtx 673 * If a SCSI I/O cmd, device disabled by OS and 674 * completion done. Cannot touch sc struct. Just free mem. 675 */ 676 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST) 677 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n", 678 ioc->name); 679 680 mptscsih_freeChainBuffers(ioc, req_idx); 681 return 1; 682 } 683 684 if ((unsigned char *)mf != sc->host_scribble) { 685 mptscsih_freeChainBuffers(ioc, req_idx); 686 return 1; 687 } 688 689 sc->host_scribble = NULL; 690 sc->result = DID_OK << 16; /* Set default reply as OK */ 691 pScsiReq = (SCSIIORequest_t *) mf; 692 pScsiReply = (SCSIIOReply_t *) mr; 693 694 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){ 695 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT 696 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n", 697 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag)); 698 }else{ 699 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT 700 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n", 701 ioc->name, mf, mr, sc, req_idx)); 702 } 703 704 if (pScsiReply == NULL) { 705 /* special context reply handling */ 706 ; 707 } else { 708 u32 xfer_cnt; 709 u16 status; 710 u8 scsi_state, scsi_status; 711 u32 log_info; 712 713 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK; 714 scsi_state = pScsiReply->SCSIState; 715 scsi_status = pScsiReply->SCSIStatus; 716 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount); 717 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt); 718 log_info = le32_to_cpu(pScsiReply->IOCLogInfo); 719 720 /* 721 * if we get a data underrun indication, yet no data was 722 * transferred and the SCSI status indicates that the 723 * command was never started, change the data underrun 724 * to success 725 */ 726 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && 727 (scsi_status == MPI_SCSI_STATUS_BUSY || 728 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT || 729 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) { 730 status = MPI_IOCSTATUS_SUCCESS; 731 } 732 733 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) 734 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply); 735 736 /* 737 * Look for + dump FCP ResponseInfo[]! 738 */ 739 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID && 740 pScsiReply->ResponseInfo) { 741 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%d] " 742 "FCP_ResponseInfo=%08xh\n", ioc->name, 743 sc->device->host->host_no, sc->device->channel, 744 sc->device->id, sc->device->lun, 745 le32_to_cpu(pScsiReply->ResponseInfo)); 746 } 747 748 switch(status) { 749 case MPI_IOCSTATUS_BUSY: /* 0x0002 */ 750 /* CHECKME! 751 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry) 752 * But not: DID_BUS_BUSY lest one risk 753 * killing interrupt handler:-( 754 */ 755 sc->result = SAM_STAT_BUSY; 756 break; 757 758 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */ 759 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */ 760 sc->result = DID_BAD_TARGET << 16; 761 break; 762 763 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ 764 /* Spoof to SCSI Selection Timeout! */ 765 if (ioc->bus_type != FC) 766 sc->result = DID_NO_CONNECT << 16; 767 /* else fibre, just stall until rescan event */ 768 else 769 sc->result = DID_REQUEUE << 16; 770 771 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF) 772 hd->sel_timeout[pScsiReq->TargetID]++; 773 774 vdevice = sc->device->hostdata; 775 if (!vdevice) 776 break; 777 vtarget = vdevice->vtarget; 778 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) { 779 mptscsih_issue_sep_command(ioc, vtarget, 780 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED); 781 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON; 782 } 783 break; 784 785 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ 786 if ( ioc->bus_type == SAS ) { 787 u16 ioc_status = le16_to_cpu(pScsiReply->IOCStatus); 788 if (ioc_status & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) { 789 if ((log_info & SAS_LOGINFO_MASK) 790 == SAS_LOGINFO_NEXUS_LOSS) { 791 sc->result = (DID_BUS_BUSY << 16); 792 break; 793 } 794 } 795 } else if (ioc->bus_type == FC) { 796 /* 797 * The FC IOC may kill a request for variety of 798 * reasons, some of which may be recovered by a 799 * retry, some which are unlikely to be 800 * recovered. Return DID_ERROR instead of 801 * DID_RESET to permit retry of the command, 802 * just not an infinite number of them 803 */ 804 sc->result = DID_ERROR << 16; 805 break; 806 } 807 808 /* 809 * Allow non-SAS & non-NEXUS_LOSS to drop into below code 810 */ 811 812 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ 813 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ 814 /* Linux handles an unsolicited DID_RESET better 815 * than an unsolicited DID_ABORT. 816 */ 817 sc->result = DID_RESET << 16; 818 819 break; 820 821 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */ 822 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt); 823 if((xfer_cnt==0)||(sc->underflow > xfer_cnt)) 824 sc->result=DID_SOFT_ERROR << 16; 825 else /* Sufficient data transfer occurred */ 826 sc->result = (DID_OK << 16) | scsi_status; 827 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 828 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n", 829 ioc->name, sc->result, sc->device->channel, sc->device->id)); 830 break; 831 832 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ 833 /* 834 * Do upfront check for valid SenseData and give it 835 * precedence! 836 */ 837 sc->result = (DID_OK << 16) | scsi_status; 838 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) { 839 /* Have already saved the status and sense data 840 */ 841 ; 842 } else { 843 if (xfer_cnt < sc->underflow) { 844 if (scsi_status == SAM_STAT_BUSY) 845 sc->result = SAM_STAT_BUSY; 846 else 847 sc->result = DID_SOFT_ERROR << 16; 848 } 849 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) { 850 /* What to do? 851 */ 852 sc->result = DID_SOFT_ERROR << 16; 853 } 854 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) { 855 /* Not real sure here either... */ 856 sc->result = DID_RESET << 16; 857 } 858 } 859 860 861 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 862 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n", 863 ioc->name, sc->underflow)); 864 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 865 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt)); 866 867 /* Report Queue Full 868 */ 869 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL) 870 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); 871 872 break; 873 874 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */ 875 scsi_set_resid(sc, 0); 876 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ 877 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ 878 sc->result = (DID_OK << 16) | scsi_status; 879 if (scsi_state == 0) { 880 ; 881 } else if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) { 882 /* 883 * If running against circa 200003dd 909 MPT f/w, 884 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL 885 * (QUEUE_FULL) returned from device! --> get 0x0000?128 886 * and with SenseBytes set to 0. 887 */ 888 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL) 889 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); 890 891 } 892 else if (scsi_state & 893 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS) 894 ) { 895 /* 896 * What to do? 897 */ 898 sc->result = DID_SOFT_ERROR << 16; 899 } 900 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) { 901 /* Not real sure here either... */ 902 sc->result = DID_RESET << 16; 903 } 904 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) { 905 /* Device Inq. data indicates that it supports 906 * QTags, but rejects QTag messages. 907 * This command completed OK. 908 * 909 * Not real sure here either so do nothing... */ 910 } 911 912 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL) 913 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); 914 915 /* Add handling of: 916 * Reservation Conflict, Busy, 917 * Command Terminated, CHECK 918 */ 919 break; 920 921 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ 922 sc->result = DID_SOFT_ERROR << 16; 923 break; 924 925 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */ 926 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */ 927 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */ 928 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */ 929 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */ 930 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */ 931 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */ 932 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ 933 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */ 934 default: 935 /* 936 * What to do? 937 */ 938 sc->result = DID_SOFT_ERROR << 16; 939 break; 940 941 } /* switch(status) */ 942 943 #ifdef CONFIG_FUSION_LOGGING 944 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY)) 945 mptscsih_info_scsiio(ioc, sc, pScsiReply); 946 #endif 947 948 } /* end of address reply case */ 949 950 /* Unmap the DMA buffers, if any. */ 951 scsi_dma_unmap(sc); 952 953 sc->scsi_done(sc); /* Issue the command callback */ 954 955 /* Free Chain buffers */ 956 mptscsih_freeChainBuffers(ioc, req_idx); 957 return 1; 958 } 959 960 /* 961 * mptscsih_flush_running_cmds - For each command found, search 962 * Scsi_Host instance taskQ and reply to OS. 963 * Called only if recovering from a FW reload. 964 * @hd: Pointer to a SCSI HOST structure 965 * 966 * Returns: None. 967 * 968 * Must be called while new I/Os are being queued. 969 */ 970 static void 971 mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd) 972 { 973 MPT_ADAPTER *ioc = hd->ioc; 974 struct scsi_cmnd *sc; 975 SCSIIORequest_t *mf = NULL; 976 int ii; 977 int channel, id; 978 979 for (ii= 0; ii < ioc->req_depth; ii++) { 980 sc = mptscsih_getclear_scsi_lookup(ioc, ii); 981 if (!sc) 982 continue; 983 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii); 984 if (!mf) 985 continue; 986 channel = mf->Bus; 987 id = mf->TargetID; 988 mptscsih_freeChainBuffers(ioc, ii); 989 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf); 990 if ((unsigned char *)mf != sc->host_scribble) 991 continue; 992 scsi_dma_unmap(sc); 993 sc->result = DID_RESET << 16; 994 sc->host_scribble = NULL; 995 sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT 996 "completing cmds: fw_channel %d, fw_id %d, sc=%p," 997 " mf = %p, idx=%x\n", ioc->name, channel, id, sc, mf, ii); 998 sc->scsi_done(sc); 999 } 1000 } 1001 1002 /* 1003 * mptscsih_search_running_cmds - Delete any commands associated 1004 * with the specified target and lun. Function called only 1005 * when a lun is disable by mid-layer. 1006 * Do NOT access the referenced scsi_cmnd structure or 1007 * members. Will cause either a paging or NULL ptr error. 1008 * (BUT, BUT, BUT, the code does reference it! - mdr) 1009 * @hd: Pointer to a SCSI HOST structure 1010 * @vdevice: per device private data 1011 * 1012 * Returns: None. 1013 * 1014 * Called from slave_destroy. 1015 */ 1016 static void 1017 mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice) 1018 { 1019 SCSIIORequest_t *mf = NULL; 1020 int ii; 1021 struct scsi_cmnd *sc; 1022 struct scsi_lun lun; 1023 MPT_ADAPTER *ioc = hd->ioc; 1024 unsigned long flags; 1025 1026 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 1027 for (ii = 0; ii < ioc->req_depth; ii++) { 1028 if ((sc = ioc->ScsiLookup[ii]) != NULL) { 1029 1030 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii); 1031 if (mf == NULL) 1032 continue; 1033 /* If the device is a hidden raid component, then its 1034 * expected that the mf->function will be RAID_SCSI_IO 1035 */ 1036 if (vdevice->vtarget->tflags & 1037 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function != 1038 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) 1039 continue; 1040 1041 int_to_scsilun(vdevice->lun, &lun); 1042 if ((mf->Bus != vdevice->vtarget->channel) || 1043 (mf->TargetID != vdevice->vtarget->id) || 1044 memcmp(lun.scsi_lun, mf->LUN, 8)) 1045 continue; 1046 1047 if ((unsigned char *)mf != sc->host_scribble) 1048 continue; 1049 ioc->ScsiLookup[ii] = NULL; 1050 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1051 mptscsih_freeChainBuffers(ioc, ii); 1052 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf); 1053 scsi_dma_unmap(sc); 1054 sc->host_scribble = NULL; 1055 sc->result = DID_NO_CONNECT << 16; 1056 sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT "completing cmds: fw_channel %d," 1057 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name, vdevice->vtarget->channel, 1058 vdevice->vtarget->id, sc, mf, ii); 1059 sc->scsi_done(sc); 1060 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 1061 } 1062 } 1063 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1064 return; 1065 } 1066 1067 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1068 1069 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1070 /* 1071 * mptscsih_report_queue_full - Report QUEUE_FULL status returned 1072 * from a SCSI target device. 1073 * @sc: Pointer to scsi_cmnd structure 1074 * @pScsiReply: Pointer to SCSIIOReply_t 1075 * @pScsiReq: Pointer to original SCSI request 1076 * 1077 * This routine periodically reports QUEUE_FULL status returned from a 1078 * SCSI target device. It reports this to the console via kernel 1079 * printk() API call, not more than once every 10 seconds. 1080 */ 1081 static void 1082 mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq) 1083 { 1084 long time = jiffies; 1085 MPT_SCSI_HOST *hd; 1086 MPT_ADAPTER *ioc; 1087 1088 if (sc->device == NULL) 1089 return; 1090 if (sc->device->host == NULL) 1091 return; 1092 if ((hd = shost_priv(sc->device->host)) == NULL) 1093 return; 1094 ioc = hd->ioc; 1095 if (time - hd->last_queue_full > 10 * HZ) { 1096 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n", 1097 ioc->name, 0, sc->device->id, sc->device->lun)); 1098 hd->last_queue_full = time; 1099 } 1100 } 1101 1102 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1103 /* 1104 * mptscsih_remove - Removed scsi devices 1105 * @pdev: Pointer to pci_dev structure 1106 * 1107 * 1108 */ 1109 void 1110 mptscsih_remove(struct pci_dev *pdev) 1111 { 1112 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1113 struct Scsi_Host *host = ioc->sh; 1114 MPT_SCSI_HOST *hd; 1115 int sz1; 1116 1117 if(!host) { 1118 mpt_detach(pdev); 1119 return; 1120 } 1121 1122 scsi_remove_host(host); 1123 1124 if((hd = shost_priv(host)) == NULL) 1125 return; 1126 1127 mptscsih_shutdown(pdev); 1128 1129 sz1=0; 1130 1131 if (ioc->ScsiLookup != NULL) { 1132 sz1 = ioc->req_depth * sizeof(void *); 1133 kfree(ioc->ScsiLookup); 1134 ioc->ScsiLookup = NULL; 1135 } 1136 1137 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1138 "Free'd ScsiLookup (%d) memory\n", 1139 ioc->name, sz1)); 1140 1141 kfree(hd->info_kbuf); 1142 1143 /* NULL the Scsi_Host pointer 1144 */ 1145 ioc->sh = NULL; 1146 1147 scsi_host_put(host); 1148 1149 mpt_detach(pdev); 1150 1151 } 1152 1153 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1154 /* 1155 * mptscsih_shutdown - reboot notifier 1156 * 1157 */ 1158 void 1159 mptscsih_shutdown(struct pci_dev *pdev) 1160 { 1161 } 1162 1163 #ifdef CONFIG_PM 1164 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1165 /* 1166 * mptscsih_suspend - Fusion MPT scsi driver suspend routine. 1167 * 1168 * 1169 */ 1170 int 1171 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state) 1172 { 1173 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1174 1175 scsi_block_requests(ioc->sh); 1176 flush_scheduled_work(); 1177 mptscsih_shutdown(pdev); 1178 return mpt_suspend(pdev,state); 1179 } 1180 1181 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1182 /* 1183 * mptscsih_resume - Fusion MPT scsi driver resume routine. 1184 * 1185 * 1186 */ 1187 int 1188 mptscsih_resume(struct pci_dev *pdev) 1189 { 1190 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1191 int rc; 1192 1193 rc = mpt_resume(pdev); 1194 scsi_unblock_requests(ioc->sh); 1195 return rc; 1196 } 1197 1198 #endif 1199 1200 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1201 /** 1202 * mptscsih_info - Return information about MPT adapter 1203 * @SChost: Pointer to Scsi_Host structure 1204 * 1205 * (linux scsi_host_template.info routine) 1206 * 1207 * Returns pointer to buffer where information was written. 1208 */ 1209 const char * 1210 mptscsih_info(struct Scsi_Host *SChost) 1211 { 1212 MPT_SCSI_HOST *h; 1213 int size = 0; 1214 1215 h = shost_priv(SChost); 1216 1217 if (h) { 1218 if (h->info_kbuf == NULL) 1219 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL) 1220 return h->info_kbuf; 1221 h->info_kbuf[0] = '\0'; 1222 1223 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0); 1224 h->info_kbuf[size-1] = '\0'; 1225 } 1226 1227 return h->info_kbuf; 1228 } 1229 1230 struct info_str { 1231 char *buffer; 1232 int length; 1233 int offset; 1234 int pos; 1235 }; 1236 1237 static void 1238 mptscsih_copy_mem_info(struct info_str *info, char *data, int len) 1239 { 1240 if (info->pos + len > info->length) 1241 len = info->length - info->pos; 1242 1243 if (info->pos + len < info->offset) { 1244 info->pos += len; 1245 return; 1246 } 1247 1248 if (info->pos < info->offset) { 1249 data += (info->offset - info->pos); 1250 len -= (info->offset - info->pos); 1251 } 1252 1253 if (len > 0) { 1254 memcpy(info->buffer + info->pos, data, len); 1255 info->pos += len; 1256 } 1257 } 1258 1259 static int 1260 mptscsih_copy_info(struct info_str *info, char *fmt, ...) 1261 { 1262 va_list args; 1263 char buf[81]; 1264 int len; 1265 1266 va_start(args, fmt); 1267 len = vsprintf(buf, fmt, args); 1268 va_end(args); 1269 1270 mptscsih_copy_mem_info(info, buf, len); 1271 return len; 1272 } 1273 1274 static int 1275 mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len) 1276 { 1277 struct info_str info; 1278 1279 info.buffer = pbuf; 1280 info.length = len; 1281 info.offset = offset; 1282 info.pos = 0; 1283 1284 mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name); 1285 mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word); 1286 mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts); 1287 mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth); 1288 1289 return ((info.pos > info.offset) ? info.pos - info.offset : 0); 1290 } 1291 1292 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1293 /** 1294 * mptscsih_proc_info - Return information about MPT adapter 1295 * @host: scsi host struct 1296 * @buffer: if write, user data; if read, buffer for user 1297 * @start: returns the buffer address 1298 * @offset: if write, 0; if read, the current offset into the buffer from 1299 * the previous read. 1300 * @length: if write, return length; 1301 * @func: write = 1; read = 0 1302 * 1303 * (linux scsi_host_template.info routine) 1304 */ 1305 int 1306 mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset, 1307 int length, int func) 1308 { 1309 MPT_SCSI_HOST *hd = shost_priv(host); 1310 MPT_ADAPTER *ioc = hd->ioc; 1311 int size = 0; 1312 1313 if (func) { 1314 /* 1315 * write is not supported 1316 */ 1317 } else { 1318 if (start) 1319 *start = buffer; 1320 1321 size = mptscsih_host_info(ioc, buffer, offset, length); 1322 } 1323 1324 return size; 1325 } 1326 1327 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1328 #define ADD_INDEX_LOG(req_ent) do { } while(0) 1329 1330 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1331 /** 1332 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine. 1333 * @SCpnt: Pointer to scsi_cmnd structure 1334 * @done: Pointer SCSI mid-layer IO completion function 1335 * 1336 * (linux scsi_host_template.queuecommand routine) 1337 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest 1338 * from a linux scsi_cmnd request and send it to the IOC. 1339 * 1340 * Returns 0. (rtn value discarded by linux scsi mid-layer) 1341 */ 1342 int 1343 mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) 1344 { 1345 MPT_SCSI_HOST *hd; 1346 MPT_FRAME_HDR *mf; 1347 SCSIIORequest_t *pScsiReq; 1348 VirtDevice *vdevice = SCpnt->device->hostdata; 1349 int lun; 1350 u32 datalen; 1351 u32 scsictl; 1352 u32 scsidir; 1353 u32 cmd_len; 1354 int my_idx; 1355 int ii; 1356 MPT_ADAPTER *ioc; 1357 1358 hd = shost_priv(SCpnt->device->host); 1359 ioc = hd->ioc; 1360 lun = SCpnt->device->lun; 1361 SCpnt->scsi_done = done; 1362 1363 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n", 1364 ioc->name, SCpnt, done)); 1365 1366 if (hd->resetPending) { 1367 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "qcmd: SCpnt=%p timeout + 60HZ\n", 1368 ioc->name, SCpnt)); 1369 return SCSI_MLQUEUE_HOST_BUSY; 1370 } 1371 1372 /* 1373 * Put together a MPT SCSI request... 1374 */ 1375 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) { 1376 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n", 1377 ioc->name)); 1378 return SCSI_MLQUEUE_HOST_BUSY; 1379 } 1380 1381 pScsiReq = (SCSIIORequest_t *) mf; 1382 1383 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 1384 1385 ADD_INDEX_LOG(my_idx); 1386 1387 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)! 1388 * Seems we may receive a buffer (datalen>0) even when there 1389 * will be no data transfer! GRRRRR... 1390 */ 1391 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) { 1392 datalen = scsi_bufflen(SCpnt); 1393 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */ 1394 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) { 1395 datalen = scsi_bufflen(SCpnt); 1396 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */ 1397 } else { 1398 datalen = 0; 1399 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER; 1400 } 1401 1402 /* Default to untagged. Once a target structure has been allocated, 1403 * use the Inquiry data to determine if device supports tagged. 1404 */ 1405 if (vdevice 1406 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) 1407 && (SCpnt->device->tagged_supported)) { 1408 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ; 1409 } else { 1410 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED; 1411 } 1412 1413 /* Use the above information to set up the message frame 1414 */ 1415 pScsiReq->TargetID = (u8) vdevice->vtarget->id; 1416 pScsiReq->Bus = vdevice->vtarget->channel; 1417 pScsiReq->ChainOffset = 0; 1418 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 1419 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 1420 else 1421 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 1422 pScsiReq->CDBLength = SCpnt->cmd_len; 1423 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 1424 pScsiReq->Reserved = 0; 1425 pScsiReq->MsgFlags = mpt_msg_flags(); 1426 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN); 1427 pScsiReq->Control = cpu_to_le32(scsictl); 1428 1429 /* 1430 * Write SCSI CDB into the message 1431 */ 1432 cmd_len = SCpnt->cmd_len; 1433 for (ii=0; ii < cmd_len; ii++) 1434 pScsiReq->CDB[ii] = SCpnt->cmnd[ii]; 1435 1436 for (ii=cmd_len; ii < 16; ii++) 1437 pScsiReq->CDB[ii] = 0; 1438 1439 /* DataLength */ 1440 pScsiReq->DataLength = cpu_to_le32(datalen); 1441 1442 /* SenseBuffer low address */ 1443 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma 1444 + (my_idx * MPT_SENSE_BUFFER_ALLOC)); 1445 1446 /* Now add the SG list 1447 * Always have a SGE even if null length. 1448 */ 1449 if (datalen == 0) { 1450 /* Add a NULL SGE */ 1451 mptscsih_add_sge((char *)&pScsiReq->SGL, MPT_SGE_FLAGS_SSIMPLE_READ | 0, 1452 (dma_addr_t) -1); 1453 } else { 1454 /* Add a 32 or 64 bit SGE */ 1455 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS) 1456 goto fail; 1457 } 1458 1459 SCpnt->host_scribble = (unsigned char *)mf; 1460 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt); 1461 1462 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); 1463 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n", 1464 ioc->name, SCpnt, mf, my_idx)); 1465 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf); 1466 return 0; 1467 1468 fail: 1469 mptscsih_freeChainBuffers(ioc, my_idx); 1470 mpt_free_msg_frame(ioc, mf); 1471 return SCSI_MLQUEUE_HOST_BUSY; 1472 } 1473 1474 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1475 /* 1476 * mptscsih_freeChainBuffers - Function to free chain buffers associated 1477 * with a SCSI IO request 1478 * @hd: Pointer to the MPT_SCSI_HOST instance 1479 * @req_idx: Index of the SCSI IO request frame. 1480 * 1481 * Called if SG chain buffer allocation fails and mptscsih callbacks. 1482 * No return. 1483 */ 1484 static void 1485 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx) 1486 { 1487 MPT_FRAME_HDR *chain; 1488 unsigned long flags; 1489 int chain_idx; 1490 int next; 1491 1492 /* Get the first chain index and reset 1493 * tracker state. 1494 */ 1495 chain_idx = ioc->ReqToChain[req_idx]; 1496 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN; 1497 1498 while (chain_idx != MPT_HOST_NO_CHAIN) { 1499 1500 /* Save the next chain buffer index */ 1501 next = ioc->ChainToChain[chain_idx]; 1502 1503 /* Free this chain buffer and reset 1504 * tracker 1505 */ 1506 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN; 1507 1508 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer 1509 + (chain_idx * ioc->req_sz)); 1510 1511 spin_lock_irqsave(&ioc->FreeQlock, flags); 1512 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ); 1513 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 1514 1515 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n", 1516 ioc->name, chain_idx)); 1517 1518 /* handle next */ 1519 chain_idx = next; 1520 } 1521 return; 1522 } 1523 1524 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1525 /* 1526 * Reset Handling 1527 */ 1528 1529 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1530 /** 1531 * mptscsih_TMHandler - Generic handler for SCSI Task Management. 1532 * @hd: Pointer to MPT SCSI HOST structure 1533 * @type: Task Management type 1534 * @channel: channel number for task management 1535 * @id: Logical Target ID for reset (if appropriate) 1536 * @lun: Logical Unit for reset (if appropriate) 1537 * @ctx2abort: Context for the task to be aborted (if appropriate) 1538 * @timeout: timeout for task management control 1539 * 1540 * Fall through to mpt_HardResetHandler if: not operational, too many 1541 * failed TM requests or handshake failure. 1542 * 1543 * Remark: Currently invoked from a non-interrupt thread (_bh). 1544 * 1545 * Note: With old EH code, at most 1 SCSI TaskMgmt function per IOC 1546 * will be active. 1547 * 1548 * Returns 0 for SUCCESS, or %FAILED. 1549 **/ 1550 int 1551 mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int ctx2abort, ulong timeout) 1552 { 1553 MPT_ADAPTER *ioc; 1554 int rc = -1; 1555 u32 ioc_raw_state; 1556 unsigned long flags; 1557 1558 ioc = hd->ioc; 1559 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TMHandler Entered!\n", ioc->name)); 1560 1561 // SJR - CHECKME - Can we avoid this here? 1562 // (mpt_HardResetHandler has this check...) 1563 spin_lock_irqsave(&ioc->diagLock, flags); 1564 if ((ioc->diagPending) || (ioc->alt_ioc && ioc->alt_ioc->diagPending)) { 1565 spin_unlock_irqrestore(&ioc->diagLock, flags); 1566 return FAILED; 1567 } 1568 spin_unlock_irqrestore(&ioc->diagLock, flags); 1569 1570 /* Wait a fixed amount of time for the TM pending flag to be cleared. 1571 * If we time out and not bus reset, then we return a FAILED status 1572 * to the caller. 1573 * The call to mptscsih_tm_pending_wait() will set the pending flag 1574 * if we are 1575 * successful. Otherwise, reload the FW. 1576 */ 1577 if (mptscsih_tm_pending_wait(hd) == FAILED) { 1578 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) { 1579 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TMHandler abort: " 1580 "Timed out waiting for last TM (%d) to complete! \n", 1581 ioc->name, hd->tmPending)); 1582 return FAILED; 1583 } else if (type == MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET) { 1584 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TMHandler target " 1585 "reset: Timed out waiting for last TM (%d) " 1586 "to complete! \n", ioc->name, 1587 hd->tmPending)); 1588 return FAILED; 1589 } else if (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) { 1590 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TMHandler bus reset: " 1591 "Timed out waiting for last TM (%d) to complete! \n", 1592 ioc->name, hd->tmPending)); 1593 return FAILED; 1594 } 1595 } else { 1596 spin_lock_irqsave(&ioc->FreeQlock, flags); 1597 hd->tmPending |= (1 << type); 1598 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 1599 } 1600 1601 ioc_raw_state = mpt_GetIocState(ioc, 0); 1602 1603 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) { 1604 printk(MYIOC_s_WARN_FMT 1605 "TM Handler for type=%x: IOC Not operational (0x%x)!\n", 1606 ioc->name, type, ioc_raw_state); 1607 printk(MYIOC_s_WARN_FMT " Issuing HardReset!!\n", ioc->name); 1608 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0) 1609 printk(MYIOC_s_WARN_FMT "TMHandler: HardReset " 1610 "FAILED!!\n", ioc->name); 1611 return FAILED; 1612 } 1613 1614 if (ioc_raw_state & MPI_DOORBELL_ACTIVE) { 1615 printk(MYIOC_s_WARN_FMT 1616 "TM Handler for type=%x: ioc_state: " 1617 "DOORBELL_ACTIVE (0x%x)!\n", 1618 ioc->name, type, ioc_raw_state); 1619 return FAILED; 1620 } 1621 1622 /* Isse the Task Mgmt request. 1623 */ 1624 if (hd->hard_resets < -1) 1625 hd->hard_resets++; 1626 1627 rc = mptscsih_IssueTaskMgmt(hd, type, channel, id, lun, 1628 ctx2abort, timeout); 1629 if (rc) 1630 printk(MYIOC_s_INFO_FMT "Issue of TaskMgmt failed!\n", 1631 ioc->name); 1632 else 1633 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issue of TaskMgmt Successful!\n", 1634 ioc->name)); 1635 1636 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1637 "TMHandler rc = %d!\n", ioc->name, rc)); 1638 1639 return rc; 1640 } 1641 1642 1643 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1644 /** 1645 * mptscsih_IssueTaskMgmt - Generic send Task Management function. 1646 * @hd: Pointer to MPT_SCSI_HOST structure 1647 * @type: Task Management type 1648 * @channel: channel number for task management 1649 * @id: Logical Target ID for reset (if appropriate) 1650 * @lun: Logical Unit for reset (if appropriate) 1651 * @ctx2abort: Context for the task to be aborted (if appropriate) 1652 * @timeout: timeout for task management control 1653 * 1654 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer) 1655 * or a non-interrupt thread. In the former, must not call schedule(). 1656 * 1657 * Not all fields are meaningfull for all task types. 1658 * 1659 * Returns 0 for SUCCESS, or FAILED. 1660 * 1661 **/ 1662 static int 1663 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int ctx2abort, ulong timeout) 1664 { 1665 MPT_FRAME_HDR *mf; 1666 SCSITaskMgmt_t *pScsiTm; 1667 int ii; 1668 int retval; 1669 MPT_ADAPTER *ioc = hd->ioc; 1670 1671 /* Return Fail to calling function if no message frames available. 1672 */ 1673 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) { 1674 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "IssueTaskMgmt, no msg frames!!\n", 1675 ioc->name)); 1676 return FAILED; 1677 } 1678 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IssueTaskMgmt request @ %p\n", 1679 ioc->name, mf)); 1680 1681 /* Format the Request 1682 */ 1683 pScsiTm = (SCSITaskMgmt_t *) mf; 1684 pScsiTm->TargetID = id; 1685 pScsiTm->Bus = channel; 1686 pScsiTm->ChainOffset = 0; 1687 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 1688 1689 pScsiTm->Reserved = 0; 1690 pScsiTm->TaskType = type; 1691 pScsiTm->Reserved1 = 0; 1692 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) 1693 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0; 1694 1695 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN); 1696 1697 for (ii=0; ii < 7; ii++) 1698 pScsiTm->Reserved2[ii] = 0; 1699 1700 pScsiTm->TaskMsgContext = ctx2abort; 1701 1702 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IssueTaskMgmt: ctx2abort (0x%08x) " 1703 "type=%d\n", ioc->name, ctx2abort, type)); 1704 1705 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm); 1706 1707 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && 1708 (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) 1709 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf); 1710 else { 1711 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc, 1712 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP); 1713 if (retval) { 1714 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "send_handshake FAILED!" 1715 " (hd %p, ioc %p, mf %p, rc=%d) \n", ioc->name, hd, 1716 ioc, mf, retval)); 1717 goto fail_out; 1718 } 1719 } 1720 1721 if(mptscsih_tm_wait_for_completion(hd, timeout) == FAILED) { 1722 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "task management request TIMED OUT!" 1723 " (hd %p, ioc %p, mf %p) \n", ioc->name, hd, 1724 ioc, mf)); 1725 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling HardReset! \n", 1726 ioc->name)); 1727 retval = mpt_HardResetHandler(ioc, CAN_SLEEP); 1728 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rc=%d \n", 1729 ioc->name, retval)); 1730 goto fail_out; 1731 } 1732 1733 /* 1734 * Handle success case, see if theres a non-zero ioc_status. 1735 */ 1736 if (hd->tm_iocstatus == MPI_IOCSTATUS_SUCCESS || 1737 hd->tm_iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED || 1738 hd->tm_iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED) 1739 retval = 0; 1740 else 1741 retval = FAILED; 1742 1743 return retval; 1744 1745 fail_out: 1746 1747 /* 1748 * Free task management mf, and corresponding tm flags 1749 */ 1750 mpt_free_msg_frame(ioc, mf); 1751 hd->tmPending = 0; 1752 hd->tmState = TM_STATE_NONE; 1753 return FAILED; 1754 } 1755 1756 static int 1757 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc) 1758 { 1759 switch (ioc->bus_type) { 1760 case FC: 1761 return 40; 1762 case SAS: 1763 case SPI: 1764 default: 1765 return 10; 1766 } 1767 } 1768 1769 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1770 /** 1771 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant 1772 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted 1773 * 1774 * (linux scsi_host_template.eh_abort_handler routine) 1775 * 1776 * Returns SUCCESS or FAILED. 1777 **/ 1778 int 1779 mptscsih_abort(struct scsi_cmnd * SCpnt) 1780 { 1781 MPT_SCSI_HOST *hd; 1782 MPT_FRAME_HDR *mf; 1783 u32 ctx2abort; 1784 int scpnt_idx; 1785 int retval; 1786 VirtDevice *vdevice; 1787 ulong sn = SCpnt->serial_number; 1788 MPT_ADAPTER *ioc; 1789 1790 /* If we can't locate our host adapter structure, return FAILED status. 1791 */ 1792 if ((hd = shost_priv(SCpnt->device->host)) == NULL) { 1793 SCpnt->result = DID_RESET << 16; 1794 SCpnt->scsi_done(SCpnt); 1795 printk(KERN_ERR MYNAM ": task abort: " 1796 "can't locate host! (sc=%p)\n", SCpnt); 1797 return FAILED; 1798 } 1799 1800 ioc = hd->ioc; 1801 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n", 1802 ioc->name, SCpnt); 1803 scsi_print_command(SCpnt); 1804 1805 vdevice = SCpnt->device->hostdata; 1806 if (!vdevice || !vdevice->vtarget) { 1807 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1808 "task abort: device has been deleted (sc=%p)\n", 1809 ioc->name, SCpnt)); 1810 SCpnt->result = DID_NO_CONNECT << 16; 1811 SCpnt->scsi_done(SCpnt); 1812 retval = 0; 1813 goto out; 1814 } 1815 1816 /* Task aborts are not supported for hidden raid components. 1817 */ 1818 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) { 1819 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1820 "task abort: hidden raid component (sc=%p)\n", 1821 ioc->name, SCpnt)); 1822 SCpnt->result = DID_RESET << 16; 1823 retval = FAILED; 1824 goto out; 1825 } 1826 1827 /* Find this command 1828 */ 1829 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) { 1830 /* Cmd not found in ScsiLookup. 1831 * Do OS callback. 1832 */ 1833 SCpnt->result = DID_RESET << 16; 1834 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: " 1835 "Command not in the active list! (sc=%p)\n", ioc->name, 1836 SCpnt)); 1837 retval = 0; 1838 goto out; 1839 } 1840 1841 if (hd->resetPending) { 1842 retval = FAILED; 1843 goto out; 1844 } 1845 1846 if (hd->timeouts < -1) 1847 hd->timeouts++; 1848 1849 /* Most important! Set TaskMsgContext to SCpnt's MsgContext! 1850 * (the IO to be ABORT'd) 1851 * 1852 * NOTE: Since we do not byteswap MsgContext, we do not 1853 * swap it here either. It is an opaque cookie to 1854 * the controller, so it does not matter. -DaveM 1855 */ 1856 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx); 1857 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext; 1858 1859 hd->abortSCpnt = SCpnt; 1860 1861 retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, 1862 vdevice->vtarget->channel, vdevice->vtarget->id, vdevice->lun, 1863 ctx2abort, mptscsih_get_tm_timeout(ioc)); 1864 1865 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx && 1866 SCpnt->serial_number == sn) 1867 retval = FAILED; 1868 1869 out: 1870 printk(MYIOC_s_INFO_FMT "task abort: %s (sc=%p)\n", 1871 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1872 1873 if (retval == 0) 1874 return SUCCESS; 1875 else 1876 return FAILED; 1877 } 1878 1879 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1880 /** 1881 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant 1882 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1883 * 1884 * (linux scsi_host_template.eh_dev_reset_handler routine) 1885 * 1886 * Returns SUCCESS or FAILED. 1887 **/ 1888 int 1889 mptscsih_dev_reset(struct scsi_cmnd * SCpnt) 1890 { 1891 MPT_SCSI_HOST *hd; 1892 int retval; 1893 VirtDevice *vdevice; 1894 MPT_ADAPTER *ioc; 1895 1896 /* If we can't locate our host adapter structure, return FAILED status. 1897 */ 1898 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1899 printk(KERN_ERR MYNAM ": target reset: " 1900 "Can't locate host! (sc=%p)\n", SCpnt); 1901 return FAILED; 1902 } 1903 1904 ioc = hd->ioc; 1905 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n", 1906 ioc->name, SCpnt); 1907 scsi_print_command(SCpnt); 1908 1909 if (hd->resetPending) { 1910 retval = FAILED; 1911 goto out; 1912 } 1913 1914 vdevice = SCpnt->device->hostdata; 1915 if (!vdevice || !vdevice->vtarget) { 1916 retval = 0; 1917 goto out; 1918 } 1919 1920 /* Target reset to hidden raid component is not supported 1921 */ 1922 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) { 1923 retval = FAILED; 1924 goto out; 1925 } 1926 1927 retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 1928 vdevice->vtarget->channel, vdevice->vtarget->id, 0, 0, 1929 mptscsih_get_tm_timeout(ioc)); 1930 1931 out: 1932 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n", 1933 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1934 1935 if (retval == 0) 1936 return SUCCESS; 1937 else 1938 return FAILED; 1939 } 1940 1941 1942 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1943 /** 1944 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant 1945 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1946 * 1947 * (linux scsi_host_template.eh_bus_reset_handler routine) 1948 * 1949 * Returns SUCCESS or FAILED. 1950 **/ 1951 int 1952 mptscsih_bus_reset(struct scsi_cmnd * SCpnt) 1953 { 1954 MPT_SCSI_HOST *hd; 1955 int retval; 1956 VirtDevice *vdevice; 1957 MPT_ADAPTER *ioc; 1958 1959 /* If we can't locate our host adapter structure, return FAILED status. 1960 */ 1961 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1962 printk(KERN_ERR MYNAM ": bus reset: " 1963 "Can't locate host! (sc=%p)\n", SCpnt); 1964 return FAILED; 1965 } 1966 1967 ioc = hd->ioc; 1968 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n", 1969 ioc->name, SCpnt); 1970 scsi_print_command(SCpnt); 1971 1972 if (hd->timeouts < -1) 1973 hd->timeouts++; 1974 1975 vdevice = SCpnt->device->hostdata; 1976 retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, 1977 vdevice->vtarget->channel, 0, 0, 0, mptscsih_get_tm_timeout(ioc)); 1978 1979 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n", 1980 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1981 1982 if (retval == 0) 1983 return SUCCESS; 1984 else 1985 return FAILED; 1986 } 1987 1988 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1989 /** 1990 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant) 1991 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1992 * 1993 * (linux scsi_host_template.eh_host_reset_handler routine) 1994 * 1995 * Returns SUCCESS or FAILED. 1996 */ 1997 int 1998 mptscsih_host_reset(struct scsi_cmnd *SCpnt) 1999 { 2000 MPT_SCSI_HOST * hd; 2001 int retval; 2002 MPT_ADAPTER *ioc; 2003 2004 /* If we can't locate the host to reset, then we failed. */ 2005 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 2006 printk(KERN_ERR MYNAM ": host reset: " 2007 "Can't locate host! (sc=%p)\n", SCpnt); 2008 return FAILED; 2009 } 2010 2011 ioc = hd->ioc; 2012 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n", 2013 ioc->name, SCpnt); 2014 2015 /* If our attempts to reset the host failed, then return a failed 2016 * status. The host will be taken off line by the SCSI mid-layer. 2017 */ 2018 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0) { 2019 retval = FAILED; 2020 } else { 2021 /* Make sure TM pending is cleared and TM state is set to 2022 * NONE. 2023 */ 2024 retval = 0; 2025 hd->tmPending = 0; 2026 hd->tmState = TM_STATE_NONE; 2027 } 2028 2029 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n", 2030 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 2031 2032 return retval; 2033 } 2034 2035 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2036 /** 2037 * mptscsih_tm_pending_wait - wait for pending task management request to complete 2038 * @hd: Pointer to MPT host structure. 2039 * 2040 * Returns {SUCCESS,FAILED}. 2041 */ 2042 static int 2043 mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd) 2044 { 2045 unsigned long flags; 2046 int loop_count = 4 * 10; /* Wait 10 seconds */ 2047 int status = FAILED; 2048 MPT_ADAPTER *ioc = hd->ioc; 2049 2050 do { 2051 spin_lock_irqsave(&ioc->FreeQlock, flags); 2052 if (hd->tmState == TM_STATE_NONE) { 2053 hd->tmState = TM_STATE_IN_PROGRESS; 2054 hd->tmPending = 1; 2055 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 2056 status = SUCCESS; 2057 break; 2058 } 2059 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 2060 msleep(250); 2061 } while (--loop_count); 2062 2063 return status; 2064 } 2065 2066 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2067 /** 2068 * mptscsih_tm_wait_for_completion - wait for completion of TM task 2069 * @hd: Pointer to MPT host structure. 2070 * @timeout: timeout value 2071 * 2072 * Returns {SUCCESS,FAILED}. 2073 */ 2074 static int 2075 mptscsih_tm_wait_for_completion(MPT_SCSI_HOST * hd, ulong timeout ) 2076 { 2077 unsigned long flags; 2078 int loop_count = 4 * timeout; 2079 int status = FAILED; 2080 MPT_ADAPTER *ioc = hd->ioc; 2081 2082 do { 2083 spin_lock_irqsave(&ioc->FreeQlock, flags); 2084 if(hd->tmPending == 0) { 2085 status = SUCCESS; 2086 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 2087 break; 2088 } 2089 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 2090 msleep(250); 2091 } while (--loop_count); 2092 2093 return status; 2094 } 2095 2096 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2097 static void 2098 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code) 2099 { 2100 char *desc; 2101 2102 switch (response_code) { 2103 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE: 2104 desc = "The task completed."; 2105 break; 2106 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME: 2107 desc = "The IOC received an invalid frame status."; 2108 break; 2109 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: 2110 desc = "The task type is not supported."; 2111 break; 2112 case MPI_SCSITASKMGMT_RSP_TM_FAILED: 2113 desc = "The requested task failed."; 2114 break; 2115 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED: 2116 desc = "The task completed successfully."; 2117 break; 2118 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN: 2119 desc = "The LUN request is invalid."; 2120 break; 2121 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: 2122 desc = "The task is in the IOC queue and has not been sent to target."; 2123 break; 2124 default: 2125 desc = "unknown"; 2126 break; 2127 } 2128 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n", 2129 ioc->name, response_code, desc); 2130 } 2131 2132 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2133 /** 2134 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver 2135 * @ioc: Pointer to MPT_ADAPTER structure 2136 * @mf: Pointer to SCSI task mgmt request frame 2137 * @mr: Pointer to SCSI task mgmt reply frame 2138 * 2139 * This routine is called from mptbase.c::mpt_interrupt() at the completion 2140 * of any SCSI task management request. 2141 * This routine is registered with the MPT (base) driver at driver 2142 * load/init time via the mpt_register() API call. 2143 * 2144 * Returns 1 indicating alloc'd request frame ptr should be freed. 2145 **/ 2146 int 2147 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) 2148 { 2149 SCSITaskMgmtReply_t *pScsiTmReply; 2150 SCSITaskMgmt_t *pScsiTmReq; 2151 MPT_SCSI_HOST *hd; 2152 unsigned long flags; 2153 u16 iocstatus; 2154 u8 tmType; 2155 u32 termination_count; 2156 2157 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt completed (mf=%p,mr=%p)\n", 2158 ioc->name, mf, mr)); 2159 if (!ioc->sh) { 2160 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT 2161 "TaskMgmt Complete: NULL Scsi Host Ptr\n", ioc->name)); 2162 return 1; 2163 } 2164 2165 if (mr == NULL) { 2166 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT 2167 "ERROR! TaskMgmt Reply: NULL Request %p\n", ioc->name, mf)); 2168 return 1; 2169 } 2170 2171 hd = shost_priv(ioc->sh); 2172 pScsiTmReply = (SCSITaskMgmtReply_t*)mr; 2173 pScsiTmReq = (SCSITaskMgmt_t*)mf; 2174 tmType = pScsiTmReq->TaskType; 2175 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK; 2176 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount); 2177 2178 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 && 2179 pScsiTmReply->ResponseCode) 2180 mptscsih_taskmgmt_response_code(ioc, 2181 pScsiTmReply->ResponseCode); 2182 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply); 2183 2184 #ifdef CONFIG_FUSION_LOGGING 2185 if ((ioc->debug_level & MPT_DEBUG_REPLY) || 2186 (ioc->debug_level & MPT_DEBUG_TM )) 2187 printk("%s: ha=%d [%d:%d:0] task_type=0x%02X " 2188 "iocstatus=0x%04X\n\tloginfo=0x%08X response_code=0x%02X " 2189 "term_cmnds=%d\n", __func__, ioc->id, pScsiTmReply->Bus, 2190 pScsiTmReply->TargetID, pScsiTmReq->TaskType, 2191 le16_to_cpu(pScsiTmReply->IOCStatus), 2192 le32_to_cpu(pScsiTmReply->IOCLogInfo),pScsiTmReply->ResponseCode, 2193 le32_to_cpu(pScsiTmReply->TerminationCount)); 2194 #endif 2195 if (!iocstatus) { 2196 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT " TaskMgmt SUCCESS\n", ioc->name)); 2197 hd->abortSCpnt = NULL; 2198 goto out; 2199 } 2200 2201 /* Error? (anything non-zero?) */ 2202 2203 /* clear flags and continue. 2204 */ 2205 switch (tmType) { 2206 2207 case MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK: 2208 if (termination_count == 1) 2209 iocstatus = MPI_IOCSTATUS_SCSI_TASK_TERMINATED; 2210 hd->abortSCpnt = NULL; 2211 break; 2212 2213 case MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS: 2214 2215 /* If an internal command is present 2216 * or the TM failed - reload the FW. 2217 * FC FW may respond FAILED to an ABORT 2218 */ 2219 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED || 2220 hd->cmdPtr) 2221 if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0) 2222 printk(MYIOC_s_WARN_FMT " Firmware Reload FAILED!!\n", ioc->name); 2223 break; 2224 2225 case MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET: 2226 default: 2227 break; 2228 } 2229 2230 out: 2231 spin_lock_irqsave(&ioc->FreeQlock, flags); 2232 hd->tmPending = 0; 2233 hd->tmState = TM_STATE_NONE; 2234 hd->tm_iocstatus = iocstatus; 2235 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 2236 2237 return 1; 2238 } 2239 2240 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2241 /* 2242 * This is anyones guess quite frankly. 2243 */ 2244 int 2245 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev, 2246 sector_t capacity, int geom[]) 2247 { 2248 int heads; 2249 int sectors; 2250 sector_t cylinders; 2251 ulong dummy; 2252 2253 heads = 64; 2254 sectors = 32; 2255 2256 dummy = heads * sectors; 2257 cylinders = capacity; 2258 sector_div(cylinders,dummy); 2259 2260 /* 2261 * Handle extended translation size for logical drives 2262 * > 1Gb 2263 */ 2264 if ((ulong)capacity >= 0x200000) { 2265 heads = 255; 2266 sectors = 63; 2267 dummy = heads * sectors; 2268 cylinders = capacity; 2269 sector_div(cylinders,dummy); 2270 } 2271 2272 /* return result */ 2273 geom[0] = heads; 2274 geom[1] = sectors; 2275 geom[2] = cylinders; 2276 2277 return 0; 2278 } 2279 2280 /* Search IOC page 3 to determine if this is hidden physical disk 2281 * 2282 */ 2283 int 2284 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id) 2285 { 2286 struct inactive_raid_component_info *component_info; 2287 int i; 2288 int rc = 0; 2289 2290 if (!ioc->raid_data.pIocPg3) 2291 goto out; 2292 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2293 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) && 2294 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) { 2295 rc = 1; 2296 goto out; 2297 } 2298 } 2299 2300 /* 2301 * Check inactive list for matching phys disks 2302 */ 2303 if (list_empty(&ioc->raid_data.inactive_list)) 2304 goto out; 2305 2306 mutex_lock(&ioc->raid_data.inactive_list_mutex); 2307 list_for_each_entry(component_info, &ioc->raid_data.inactive_list, 2308 list) { 2309 if ((component_info->d.PhysDiskID == id) && 2310 (component_info->d.PhysDiskBus == channel)) 2311 rc = 1; 2312 } 2313 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 2314 2315 out: 2316 return rc; 2317 } 2318 EXPORT_SYMBOL(mptscsih_is_phys_disk); 2319 2320 u8 2321 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id) 2322 { 2323 struct inactive_raid_component_info *component_info; 2324 int i; 2325 int rc = -ENXIO; 2326 2327 if (!ioc->raid_data.pIocPg3) 2328 goto out; 2329 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2330 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) && 2331 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) { 2332 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum; 2333 goto out; 2334 } 2335 } 2336 2337 /* 2338 * Check inactive list for matching phys disks 2339 */ 2340 if (list_empty(&ioc->raid_data.inactive_list)) 2341 goto out; 2342 2343 mutex_lock(&ioc->raid_data.inactive_list_mutex); 2344 list_for_each_entry(component_info, &ioc->raid_data.inactive_list, 2345 list) { 2346 if ((component_info->d.PhysDiskID == id) && 2347 (component_info->d.PhysDiskBus == channel)) 2348 rc = component_info->d.PhysDiskNum; 2349 } 2350 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 2351 2352 out: 2353 return rc; 2354 } 2355 EXPORT_SYMBOL(mptscsih_raid_id_to_num); 2356 2357 /* 2358 * OS entry point to allow for host driver to free allocated memory 2359 * Called if no device present or device being unloaded 2360 */ 2361 void 2362 mptscsih_slave_destroy(struct scsi_device *sdev) 2363 { 2364 struct Scsi_Host *host = sdev->host; 2365 MPT_SCSI_HOST *hd = shost_priv(host); 2366 VirtTarget *vtarget; 2367 VirtDevice *vdevice; 2368 struct scsi_target *starget; 2369 2370 starget = scsi_target(sdev); 2371 vtarget = starget->hostdata; 2372 vdevice = sdev->hostdata; 2373 2374 mptscsih_search_running_cmds(hd, vdevice); 2375 vtarget->num_luns--; 2376 mptscsih_synchronize_cache(hd, vdevice); 2377 kfree(vdevice); 2378 sdev->hostdata = NULL; 2379 } 2380 2381 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2382 /* 2383 * mptscsih_change_queue_depth - This function will set a devices queue depth 2384 * @sdev: per scsi_device pointer 2385 * @qdepth: requested queue depth 2386 * 2387 * Adding support for new 'change_queue_depth' api. 2388 */ 2389 int 2390 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth) 2391 { 2392 MPT_SCSI_HOST *hd = shost_priv(sdev->host); 2393 VirtTarget *vtarget; 2394 struct scsi_target *starget; 2395 int max_depth; 2396 int tagged; 2397 MPT_ADAPTER *ioc = hd->ioc; 2398 2399 starget = scsi_target(sdev); 2400 vtarget = starget->hostdata; 2401 2402 if (ioc->bus_type == SPI) { 2403 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)) 2404 max_depth = 1; 2405 else if (sdev->type == TYPE_DISK && 2406 vtarget->minSyncFactor <= MPT_ULTRA160) 2407 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH; 2408 else 2409 max_depth = MPT_SCSI_CMD_PER_DEV_LOW; 2410 } else 2411 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH; 2412 2413 if (qdepth > max_depth) 2414 qdepth = max_depth; 2415 if (qdepth == 1) 2416 tagged = 0; 2417 else 2418 tagged = MSG_SIMPLE_TAG; 2419 2420 scsi_adjust_queue_depth(sdev, tagged, qdepth); 2421 return sdev->queue_depth; 2422 } 2423 2424 /* 2425 * OS entry point to adjust the queue_depths on a per-device basis. 2426 * Called once per device the bus scan. Use it to force the queue_depth 2427 * member to 1 if a device does not support Q tags. 2428 * Return non-zero if fails. 2429 */ 2430 int 2431 mptscsih_slave_configure(struct scsi_device *sdev) 2432 { 2433 struct Scsi_Host *sh = sdev->host; 2434 VirtTarget *vtarget; 2435 VirtDevice *vdevice; 2436 struct scsi_target *starget; 2437 MPT_SCSI_HOST *hd = shost_priv(sh); 2438 MPT_ADAPTER *ioc = hd->ioc; 2439 2440 starget = scsi_target(sdev); 2441 vtarget = starget->hostdata; 2442 vdevice = sdev->hostdata; 2443 2444 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2445 "device @ %p, channel=%d, id=%d, lun=%d\n", 2446 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun)); 2447 if (ioc->bus_type == SPI) 2448 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2449 "sdtr %d wdtr %d ppr %d inq length=%d\n", 2450 ioc->name, sdev->sdtr, sdev->wdtr, 2451 sdev->ppr, sdev->inquiry_len)); 2452 2453 vdevice->configured_lun = 1; 2454 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH); 2455 2456 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2457 "Queue depth=%d, tflags=%x\n", 2458 ioc->name, sdev->queue_depth, vtarget->tflags)); 2459 2460 if (ioc->bus_type == SPI) 2461 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2462 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n", 2463 ioc->name, vtarget->negoFlags, vtarget->maxOffset, 2464 vtarget->minSyncFactor)); 2465 2466 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2467 "tagged %d, simple %d, ordered %d\n", 2468 ioc->name,sdev->tagged_supported, sdev->simple_tags, 2469 sdev->ordered_tags)); 2470 2471 return 0; 2472 } 2473 2474 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2475 /* 2476 * Private routines... 2477 */ 2478 2479 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2480 /* Utility function to copy sense data from the scsi_cmnd buffer 2481 * to the FC and SCSI target structures. 2482 * 2483 */ 2484 static void 2485 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply) 2486 { 2487 VirtDevice *vdevice; 2488 SCSIIORequest_t *pReq; 2489 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount); 2490 MPT_ADAPTER *ioc = hd->ioc; 2491 2492 /* Get target structure 2493 */ 2494 pReq = (SCSIIORequest_t *) mf; 2495 vdevice = sc->device->hostdata; 2496 2497 if (sense_count) { 2498 u8 *sense_data; 2499 int req_index; 2500 2501 /* Copy the sense received into the scsi command block. */ 2502 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 2503 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC)); 2504 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc)); 2505 2506 /* Log SMART data (asc = 0x5D, non-IM case only) if required. 2507 */ 2508 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) { 2509 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) { 2510 int idx; 2511 2512 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE; 2513 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE; 2514 ioc->events[idx].eventContext = ioc->eventContext; 2515 2516 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) | 2517 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) | 2518 (sc->device->channel << 8) | sc->device->id; 2519 2520 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12]; 2521 2522 ioc->eventContext++; 2523 if (ioc->pcidev->vendor == 2524 PCI_VENDOR_ID_IBM) { 2525 mptscsih_issue_sep_command(ioc, 2526 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); 2527 vdevice->vtarget->tflags |= 2528 MPT_TARGET_FLAGS_LED_ON; 2529 } 2530 } 2531 } 2532 } else { 2533 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n", 2534 ioc->name)); 2535 } 2536 } 2537 2538 /** 2539 * mptscsih_get_scsi_lookup 2540 * @ioc: Pointer to MPT_ADAPTER structure 2541 * @i: index into the array 2542 * 2543 * retrieves scmd entry from ScsiLookup[] array list 2544 * 2545 * Returns the scsi_cmd pointer 2546 **/ 2547 static struct scsi_cmnd * 2548 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i) 2549 { 2550 unsigned long flags; 2551 struct scsi_cmnd *scmd; 2552 2553 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2554 scmd = ioc->ScsiLookup[i]; 2555 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2556 2557 return scmd; 2558 } 2559 2560 /** 2561 * mptscsih_getclear_scsi_lookup 2562 * @ioc: Pointer to MPT_ADAPTER structure 2563 * @i: index into the array 2564 * 2565 * retrieves and clears scmd entry from ScsiLookup[] array list 2566 * 2567 * Returns the scsi_cmd pointer 2568 **/ 2569 static struct scsi_cmnd * 2570 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i) 2571 { 2572 unsigned long flags; 2573 struct scsi_cmnd *scmd; 2574 2575 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2576 scmd = ioc->ScsiLookup[i]; 2577 ioc->ScsiLookup[i] = NULL; 2578 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2579 2580 return scmd; 2581 } 2582 2583 /** 2584 * mptscsih_set_scsi_lookup 2585 * 2586 * writes a scmd entry into the ScsiLookup[] array list 2587 * 2588 * @ioc: Pointer to MPT_ADAPTER structure 2589 * @i: index into the array 2590 * @scmd: scsi_cmnd pointer 2591 * 2592 **/ 2593 static void 2594 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd) 2595 { 2596 unsigned long flags; 2597 2598 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2599 ioc->ScsiLookup[i] = scmd; 2600 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2601 } 2602 2603 /** 2604 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list 2605 * @ioc: Pointer to MPT_ADAPTER structure 2606 * @sc: scsi_cmnd pointer 2607 */ 2608 static int 2609 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc) 2610 { 2611 unsigned long flags; 2612 int i, index=-1; 2613 2614 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2615 for (i = 0; i < ioc->req_depth; i++) { 2616 if (ioc->ScsiLookup[i] == sc) { 2617 index = i; 2618 goto out; 2619 } 2620 } 2621 2622 out: 2623 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2624 return index; 2625 } 2626 2627 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2628 int 2629 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) 2630 { 2631 MPT_SCSI_HOST *hd; 2632 unsigned long flags; 2633 2634 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2635 ": IOC %s_reset routed to SCSI host driver!\n", 2636 ioc->name, reset_phase==MPT_IOC_SETUP_RESET ? "setup" : ( 2637 reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post"))); 2638 2639 /* If a FW reload request arrives after base installed but 2640 * before all scsi hosts have been attached, then an alt_ioc 2641 * may have a NULL sh pointer. 2642 */ 2643 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL) 2644 return 0; 2645 else 2646 hd = shost_priv(ioc->sh); 2647 2648 if (reset_phase == MPT_IOC_SETUP_RESET) { 2649 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Setup-Diag Reset\n", ioc->name)); 2650 2651 /* Clean Up: 2652 * 1. Set Hard Reset Pending Flag 2653 * All new commands go to doneQ 2654 */ 2655 hd->resetPending = 1; 2656 2657 } else if (reset_phase == MPT_IOC_PRE_RESET) { 2658 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Pre-Diag Reset\n", ioc->name)); 2659 2660 /* 2. Flush running commands 2661 * Clean ScsiLookup (and associated memory) 2662 * AND clean mytaskQ 2663 */ 2664 2665 /* 2b. Reply to OS all known outstanding I/O commands. 2666 */ 2667 mptscsih_flush_running_cmds(hd); 2668 2669 /* 2c. If there was an internal command that 2670 * has not completed, configuration or io request, 2671 * free these resources. 2672 */ 2673 if (hd->cmdPtr) { 2674 del_timer(&hd->timer); 2675 mpt_free_msg_frame(ioc, hd->cmdPtr); 2676 } 2677 2678 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Pre-Reset complete.\n", ioc->name)); 2679 2680 } else { 2681 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Post-Diag Reset\n", ioc->name)); 2682 2683 /* Once a FW reload begins, all new OS commands are 2684 * redirected to the doneQ w/ a reset status. 2685 * Init all control structures. 2686 */ 2687 2688 /* 2. Chain Buffer initialization 2689 */ 2690 2691 /* 4. Renegotiate to all devices, if SPI 2692 */ 2693 2694 /* 5. Enable new commands to be posted 2695 */ 2696 spin_lock_irqsave(&ioc->FreeQlock, flags); 2697 hd->tmPending = 0; 2698 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 2699 hd->resetPending = 0; 2700 hd->tmState = TM_STATE_NONE; 2701 2702 /* 6. If there was an internal command, 2703 * wake this process up. 2704 */ 2705 if (hd->cmdPtr) { 2706 /* 2707 * Wake up the original calling thread 2708 */ 2709 hd->pLocal = &hd->localReply; 2710 hd->pLocal->completion = MPT_SCANDV_DID_RESET; 2711 hd->scandv_wait_done = 1; 2712 wake_up(&hd->scandv_waitq); 2713 hd->cmdPtr = NULL; 2714 } 2715 2716 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Post-Reset complete.\n", ioc->name)); 2717 2718 } 2719 2720 return 1; /* currently means nothing really */ 2721 } 2722 2723 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2724 int 2725 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) 2726 { 2727 MPT_SCSI_HOST *hd; 2728 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; 2729 2730 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n", 2731 ioc->name, event)); 2732 2733 if (ioc->sh == NULL || 2734 ((hd = shost_priv(ioc->sh)) == NULL)) 2735 return 1; 2736 2737 switch (event) { 2738 case MPI_EVENT_UNIT_ATTENTION: /* 03 */ 2739 /* FIXME! */ 2740 break; 2741 case MPI_EVENT_IOC_BUS_RESET: /* 04 */ 2742 case MPI_EVENT_EXT_BUS_RESET: /* 05 */ 2743 if (hd && (ioc->bus_type == SPI) && (hd->soft_resets < -1)) 2744 hd->soft_resets++; 2745 break; 2746 case MPI_EVENT_LOGOUT: /* 09 */ 2747 /* FIXME! */ 2748 break; 2749 2750 case MPI_EVENT_RESCAN: /* 06 */ 2751 break; 2752 2753 /* 2754 * CHECKME! Don't think we need to do 2755 * anything for these, but... 2756 */ 2757 case MPI_EVENT_LINK_STATUS_CHANGE: /* 07 */ 2758 case MPI_EVENT_LOOP_STATE_CHANGE: /* 08 */ 2759 /* 2760 * CHECKME! Falling thru... 2761 */ 2762 break; 2763 2764 case MPI_EVENT_INTEGRATED_RAID: /* 0B */ 2765 break; 2766 2767 case MPI_EVENT_NONE: /* 00 */ 2768 case MPI_EVENT_LOG_DATA: /* 01 */ 2769 case MPI_EVENT_STATE_CHANGE: /* 02 */ 2770 case MPI_EVENT_EVENT_CHANGE: /* 0A */ 2771 default: 2772 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": Ignoring event (=%02Xh)\n", 2773 ioc->name, event)); 2774 break; 2775 } 2776 2777 return 1; /* currently means nothing really */ 2778 } 2779 2780 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2781 /* 2782 * Bus Scan and Domain Validation functionality ... 2783 */ 2784 2785 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2786 /* 2787 * mptscsih_scandv_complete - Scan and DV callback routine registered 2788 * to Fustion MPT (base) driver. 2789 * 2790 * @ioc: Pointer to MPT_ADAPTER structure 2791 * @mf: Pointer to original MPT request frame 2792 * @mr: Pointer to MPT reply frame (NULL if TurboReply) 2793 * 2794 * This routine is called from mpt.c::mpt_interrupt() at the completion 2795 * of any SCSI IO request. 2796 * This routine is registered with the Fusion MPT (base) driver at driver 2797 * load/init time via the mpt_register() API call. 2798 * 2799 * Returns 1 indicating alloc'd request frame ptr should be freed. 2800 * 2801 * Remark: Sets a completion code and (possibly) saves sense data 2802 * in the IOC member localReply structure. 2803 * Used ONLY for DV and other internal commands. 2804 */ 2805 int 2806 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) 2807 { 2808 MPT_SCSI_HOST *hd; 2809 SCSIIORequest_t *pReq; 2810 int completionCode; 2811 u16 req_idx; 2812 2813 hd = shost_priv(ioc->sh); 2814 2815 if ((mf == NULL) || 2816 (mf >= MPT_INDEX_2_MFPTR(ioc, ioc->req_depth))) { 2817 printk(MYIOC_s_ERR_FMT 2818 "ScanDvComplete, %s req frame ptr! (=%p)\n", 2819 ioc->name, mf?"BAD":"NULL", (void *) mf); 2820 goto wakeup; 2821 } 2822 2823 del_timer(&hd->timer); 2824 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 2825 mptscsih_set_scsi_lookup(ioc, req_idx, NULL); 2826 pReq = (SCSIIORequest_t *) mf; 2827 2828 if (mf != hd->cmdPtr) { 2829 printk(MYIOC_s_WARN_FMT "ScanDvComplete (mf=%p, cmdPtr=%p, idx=%d)\n", 2830 ioc->name, (void *)mf, (void *) hd->cmdPtr, req_idx); 2831 } 2832 hd->cmdPtr = NULL; 2833 2834 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScanDvComplete (mf=%p,mr=%p,idx=%d)\n", 2835 ioc->name, mf, mr, req_idx)); 2836 2837 hd->pLocal = &hd->localReply; 2838 hd->pLocal->scsiStatus = 0; 2839 2840 /* If target struct exists, clear sense valid flag. 2841 */ 2842 if (mr == NULL) { 2843 completionCode = MPT_SCANDV_GOOD; 2844 } else { 2845 SCSIIOReply_t *pReply; 2846 u16 status; 2847 u8 scsi_status; 2848 2849 pReply = (SCSIIOReply_t *) mr; 2850 2851 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK; 2852 scsi_status = pReply->SCSIStatus; 2853 2854 2855 switch(status) { 2856 2857 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ 2858 completionCode = MPT_SCANDV_SELECTION_TIMEOUT; 2859 break; 2860 2861 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ 2862 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ 2863 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ 2864 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ 2865 completionCode = MPT_SCANDV_DID_RESET; 2866 break; 2867 2868 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ 2869 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ 2870 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ 2871 if (pReply->Function == MPI_FUNCTION_CONFIG) { 2872 ConfigReply_t *pr = (ConfigReply_t *)mr; 2873 completionCode = MPT_SCANDV_GOOD; 2874 hd->pLocal->header.PageVersion = pr->Header.PageVersion; 2875 hd->pLocal->header.PageLength = pr->Header.PageLength; 2876 hd->pLocal->header.PageNumber = pr->Header.PageNumber; 2877 hd->pLocal->header.PageType = pr->Header.PageType; 2878 2879 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) { 2880 /* If the RAID Volume request is successful, 2881 * return GOOD, else indicate that 2882 * some type of error occurred. 2883 */ 2884 MpiRaidActionReply_t *pr = (MpiRaidActionReply_t *)mr; 2885 if (le16_to_cpu(pr->ActionStatus) == MPI_RAID_ACTION_ASTATUS_SUCCESS) 2886 completionCode = MPT_SCANDV_GOOD; 2887 else 2888 completionCode = MPT_SCANDV_SOME_ERROR; 2889 memcpy(hd->pLocal->sense, pr, sizeof(hd->pLocal->sense)); 2890 2891 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) { 2892 u8 *sense_data; 2893 int sz; 2894 2895 /* save sense data in global structure 2896 */ 2897 completionCode = MPT_SCANDV_SENSE; 2898 hd->pLocal->scsiStatus = scsi_status; 2899 sense_data = ((u8 *)ioc->sense_buf_pool + 2900 (req_idx * MPT_SENSE_BUFFER_ALLOC)); 2901 2902 sz = min_t(int, pReq->SenseBufferLength, 2903 SCSI_STD_SENSE_BYTES); 2904 memcpy(hd->pLocal->sense, sense_data, sz); 2905 2906 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Check Condition, sense ptr %p\n", 2907 ioc->name, sense_data)); 2908 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) { 2909 if (pReq->CDB[0] == INQUIRY) 2910 completionCode = MPT_SCANDV_ISSUE_SENSE; 2911 else 2912 completionCode = MPT_SCANDV_DID_RESET; 2913 } 2914 else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS) 2915 completionCode = MPT_SCANDV_DID_RESET; 2916 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) 2917 completionCode = MPT_SCANDV_DID_RESET; 2918 else { 2919 completionCode = MPT_SCANDV_GOOD; 2920 hd->pLocal->scsiStatus = scsi_status; 2921 } 2922 break; 2923 2924 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ 2925 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) 2926 completionCode = MPT_SCANDV_DID_RESET; 2927 else 2928 completionCode = MPT_SCANDV_SOME_ERROR; 2929 break; 2930 2931 default: 2932 completionCode = MPT_SCANDV_SOME_ERROR; 2933 break; 2934 2935 } /* switch(status) */ 2936 2937 } /* end of address reply case */ 2938 2939 hd->pLocal->completion = completionCode; 2940 2941 /* MF and RF are freed in mpt_interrupt 2942 */ 2943 wakeup: 2944 /* Free Chain buffers (will never chain) in scan or dv */ 2945 //mptscsih_freeChainBuffers(ioc, req_idx); 2946 2947 /* 2948 * Wake up the original calling thread 2949 */ 2950 hd->scandv_wait_done = 1; 2951 wake_up(&hd->scandv_waitq); 2952 2953 return 1; 2954 } 2955 2956 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2957 /* mptscsih_timer_expired - Call back for timer process. 2958 * Used only for dv functionality. 2959 * @data: Pointer to MPT_SCSI_HOST recast as an unsigned long 2960 * 2961 */ 2962 void 2963 mptscsih_timer_expired(unsigned long data) 2964 { 2965 MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *) data; 2966 MPT_ADAPTER *ioc = hd->ioc; 2967 2968 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Timer Expired! Cmd %p\n", ioc->name, hd->cmdPtr)); 2969 2970 if (hd->cmdPtr) { 2971 MPIHeader_t *cmd = (MPIHeader_t *)hd->cmdPtr; 2972 2973 if (cmd->Function == MPI_FUNCTION_SCSI_IO_REQUEST) { 2974 /* Desire to issue a task management request here. 2975 * TM requests MUST be single threaded. 2976 * If old eh code and no TM current, issue request. 2977 * If new eh code, do nothing. Wait for OS cmd timeout 2978 * for bus reset. 2979 */ 2980 } else { 2981 /* Perform a FW reload */ 2982 if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0) { 2983 printk(MYIOC_s_WARN_FMT "Firmware Reload FAILED!\n", ioc->name); 2984 } 2985 } 2986 } else { 2987 /* This should NEVER happen */ 2988 printk(MYIOC_s_WARN_FMT "Null cmdPtr!!!!\n", ioc->name); 2989 } 2990 2991 /* No more processing. 2992 * TM call will generate an interrupt for SCSI TM Management. 2993 * The FW will reply to all outstanding commands, callback will finish cleanup. 2994 * Hard reset clean-up will free all resources. 2995 */ 2996 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Timer Expired Complete!\n", ioc->name)); 2997 2998 return; 2999 } 3000 3001 3002 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3003 /** 3004 * mptscsih_do_cmd - Do internal command. 3005 * @hd: MPT_SCSI_HOST pointer 3006 * @io: INTERNAL_CMD pointer. 3007 * 3008 * Issue the specified internally generated command and do command 3009 * specific cleanup. For bus scan / DV only. 3010 * NOTES: If command is Inquiry and status is good, 3011 * initialize a target structure, save the data 3012 * 3013 * Remark: Single threaded access only. 3014 * 3015 * Return: 3016 * < 0 if an illegal command or no resources 3017 * 3018 * 0 if good 3019 * 3020 * > 0 if command complete but some type of completion error. 3021 */ 3022 static int 3023 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io) 3024 { 3025 MPT_FRAME_HDR *mf; 3026 SCSIIORequest_t *pScsiReq; 3027 SCSIIORequest_t ReqCopy; 3028 int my_idx, ii, dir; 3029 int rc, cmdTimeout; 3030 int in_isr; 3031 char cmdLen; 3032 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; 3033 char cmd = io->cmd; 3034 MPT_ADAPTER *ioc = hd->ioc; 3035 3036 in_isr = in_interrupt(); 3037 if (in_isr) { 3038 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Internal SCSI IO request not allowed in ISR context!\n", 3039 ioc->name)); 3040 return -EPERM; 3041 } 3042 3043 3044 /* Set command specific information 3045 */ 3046 switch (cmd) { 3047 case INQUIRY: 3048 cmdLen = 6; 3049 dir = MPI_SCSIIO_CONTROL_READ; 3050 CDB[0] = cmd; 3051 CDB[4] = io->size; 3052 cmdTimeout = 10; 3053 break; 3054 3055 case TEST_UNIT_READY: 3056 cmdLen = 6; 3057 dir = MPI_SCSIIO_CONTROL_READ; 3058 cmdTimeout = 10; 3059 break; 3060 3061 case START_STOP: 3062 cmdLen = 6; 3063 dir = MPI_SCSIIO_CONTROL_READ; 3064 CDB[0] = cmd; 3065 CDB[4] = 1; /*Spin up the disk */ 3066 cmdTimeout = 15; 3067 break; 3068 3069 case REQUEST_SENSE: 3070 cmdLen = 6; 3071 CDB[0] = cmd; 3072 CDB[4] = io->size; 3073 dir = MPI_SCSIIO_CONTROL_READ; 3074 cmdTimeout = 10; 3075 break; 3076 3077 case READ_BUFFER: 3078 cmdLen = 10; 3079 dir = MPI_SCSIIO_CONTROL_READ; 3080 CDB[0] = cmd; 3081 if (io->flags & MPT_ICFLAG_ECHO) { 3082 CDB[1] = 0x0A; 3083 } else { 3084 CDB[1] = 0x02; 3085 } 3086 3087 if (io->flags & MPT_ICFLAG_BUF_CAP) { 3088 CDB[1] |= 0x01; 3089 } 3090 CDB[6] = (io->size >> 16) & 0xFF; 3091 CDB[7] = (io->size >> 8) & 0xFF; 3092 CDB[8] = io->size & 0xFF; 3093 cmdTimeout = 10; 3094 break; 3095 3096 case WRITE_BUFFER: 3097 cmdLen = 10; 3098 dir = MPI_SCSIIO_CONTROL_WRITE; 3099 CDB[0] = cmd; 3100 if (io->flags & MPT_ICFLAG_ECHO) { 3101 CDB[1] = 0x0A; 3102 } else { 3103 CDB[1] = 0x02; 3104 } 3105 CDB[6] = (io->size >> 16) & 0xFF; 3106 CDB[7] = (io->size >> 8) & 0xFF; 3107 CDB[8] = io->size & 0xFF; 3108 cmdTimeout = 10; 3109 break; 3110 3111 case RESERVE: 3112 cmdLen = 6; 3113 dir = MPI_SCSIIO_CONTROL_READ; 3114 CDB[0] = cmd; 3115 cmdTimeout = 10; 3116 break; 3117 3118 case RELEASE: 3119 cmdLen = 6; 3120 dir = MPI_SCSIIO_CONTROL_READ; 3121 CDB[0] = cmd; 3122 cmdTimeout = 10; 3123 break; 3124 3125 case SYNCHRONIZE_CACHE: 3126 cmdLen = 10; 3127 dir = MPI_SCSIIO_CONTROL_READ; 3128 CDB[0] = cmd; 3129 // CDB[1] = 0x02; /* set immediate bit */ 3130 cmdTimeout = 10; 3131 break; 3132 3133 default: 3134 /* Error Case */ 3135 return -EFAULT; 3136 } 3137 3138 /* Get and Populate a free Frame 3139 */ 3140 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) { 3141 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "No msg frames!\n", 3142 ioc->name)); 3143 return -EBUSY; 3144 } 3145 3146 pScsiReq = (SCSIIORequest_t *) mf; 3147 3148 /* Get the request index */ 3149 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 3150 ADD_INDEX_LOG(my_idx); /* for debug */ 3151 3152 if (io->flags & MPT_ICFLAG_PHYS_DISK) { 3153 pScsiReq->TargetID = io->physDiskNum; 3154 pScsiReq->Bus = 0; 3155 pScsiReq->ChainOffset = 0; 3156 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 3157 } else { 3158 pScsiReq->TargetID = io->id; 3159 pScsiReq->Bus = io->channel; 3160 pScsiReq->ChainOffset = 0; 3161 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 3162 } 3163 3164 pScsiReq->CDBLength = cmdLen; 3165 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 3166 3167 pScsiReq->Reserved = 0; 3168 3169 pScsiReq->MsgFlags = mpt_msg_flags(); 3170 /* MsgContext set in mpt_get_msg_fram call */ 3171 3172 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN); 3173 3174 if (io->flags & MPT_ICFLAG_TAGGED_CMD) 3175 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ); 3176 else 3177 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); 3178 3179 if (cmd == REQUEST_SENSE) { 3180 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); 3181 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Untagged! 0x%2x\n", 3182 ioc->name, cmd)); 3183 } 3184 3185 for (ii=0; ii < 16; ii++) 3186 pScsiReq->CDB[ii] = CDB[ii]; 3187 3188 pScsiReq->DataLength = cpu_to_le32(io->size); 3189 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma 3190 + (my_idx * MPT_SENSE_BUFFER_ALLOC)); 3191 3192 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Command 0x%x for (%d:%d:%d)\n", 3193 ioc->name, cmd, io->channel, io->id, io->lun)); 3194 3195 if (dir == MPI_SCSIIO_CONTROL_READ) { 3196 mpt_add_sge((char *) &pScsiReq->SGL, 3197 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, 3198 io->data_dma); 3199 } else { 3200 mpt_add_sge((char *) &pScsiReq->SGL, 3201 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, 3202 io->data_dma); 3203 } 3204 3205 /* The ISR will free the request frame, but we need 3206 * the information to initialize the target. Duplicate. 3207 */ 3208 memcpy(&ReqCopy, pScsiReq, sizeof(SCSIIORequest_t)); 3209 3210 /* Issue this command after: 3211 * finish init 3212 * add timer 3213 * Wait until the reply has been received 3214 * ScsiScanDvCtx callback function will 3215 * set hd->pLocal; 3216 * set scandv_wait_done and call wake_up 3217 */ 3218 hd->pLocal = NULL; 3219 hd->timer.expires = jiffies + HZ*cmdTimeout; 3220 hd->scandv_wait_done = 0; 3221 3222 /* Save cmd pointer, for resource free if timeout or 3223 * FW reload occurs 3224 */ 3225 hd->cmdPtr = mf; 3226 3227 add_timer(&hd->timer); 3228 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf); 3229 wait_event(hd->scandv_waitq, hd->scandv_wait_done); 3230 3231 if (hd->pLocal) { 3232 rc = hd->pLocal->completion; 3233 hd->pLocal->skip = 0; 3234 3235 /* Always set fatal error codes in some cases. 3236 */ 3237 if (rc == MPT_SCANDV_SELECTION_TIMEOUT) 3238 rc = -ENXIO; 3239 else if (rc == MPT_SCANDV_SOME_ERROR) 3240 rc = -rc; 3241 } else { 3242 rc = -EFAULT; 3243 /* This should never happen. */ 3244 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "_do_cmd: Null pLocal!!!\n", 3245 ioc->name)); 3246 } 3247 3248 return rc; 3249 } 3250 3251 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3252 /** 3253 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks. 3254 * @hd: Pointer to a SCSI HOST structure 3255 * @vdevice: virtual target device 3256 * 3257 * Uses the ISR, but with special processing. 3258 * MUST be single-threaded. 3259 * 3260 */ 3261 static void 3262 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice) 3263 { 3264 INTERNAL_CMD iocmd; 3265 3266 /* Ignore hidden raid components, this is handled when the command 3267 * is sent to the volume 3268 */ 3269 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 3270 return; 3271 3272 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted || 3273 !vdevice->configured_lun) 3274 return; 3275 3276 /* Following parameters will not change 3277 * in this routine. 3278 */ 3279 iocmd.cmd = SYNCHRONIZE_CACHE; 3280 iocmd.flags = 0; 3281 iocmd.physDiskNum = -1; 3282 iocmd.data = NULL; 3283 iocmd.data_dma = -1; 3284 iocmd.size = 0; 3285 iocmd.rsvd = iocmd.rsvd2 = 0; 3286 iocmd.channel = vdevice->vtarget->channel; 3287 iocmd.id = vdevice->vtarget->id; 3288 iocmd.lun = vdevice->lun; 3289 3290 mptscsih_do_cmd(hd, &iocmd); 3291 } 3292 3293 static ssize_t 3294 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr, 3295 char *buf) 3296 { 3297 struct Scsi_Host *host = class_to_shost(dev); 3298 MPT_SCSI_HOST *hd = shost_priv(host); 3299 MPT_ADAPTER *ioc = hd->ioc; 3300 3301 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", 3302 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, 3303 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, 3304 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, 3305 ioc->facts.FWVersion.Word & 0x000000FF); 3306 } 3307 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL); 3308 3309 static ssize_t 3310 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr, 3311 char *buf) 3312 { 3313 struct Scsi_Host *host = class_to_shost(dev); 3314 MPT_SCSI_HOST *hd = shost_priv(host); 3315 MPT_ADAPTER *ioc = hd->ioc; 3316 3317 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 3318 (ioc->biosVersion & 0xFF000000) >> 24, 3319 (ioc->biosVersion & 0x00FF0000) >> 16, 3320 (ioc->biosVersion & 0x0000FF00) >> 8, 3321 ioc->biosVersion & 0x000000FF); 3322 } 3323 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL); 3324 3325 static ssize_t 3326 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr, 3327 char *buf) 3328 { 3329 struct Scsi_Host *host = class_to_shost(dev); 3330 MPT_SCSI_HOST *hd = shost_priv(host); 3331 MPT_ADAPTER *ioc = hd->ioc; 3332 3333 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion); 3334 } 3335 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL); 3336 3337 static ssize_t 3338 mptscsih_version_product_show(struct device *dev, 3339 struct device_attribute *attr, 3340 char *buf) 3341 { 3342 struct Scsi_Host *host = class_to_shost(dev); 3343 MPT_SCSI_HOST *hd = shost_priv(host); 3344 MPT_ADAPTER *ioc = hd->ioc; 3345 3346 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name); 3347 } 3348 static DEVICE_ATTR(version_product, S_IRUGO, 3349 mptscsih_version_product_show, NULL); 3350 3351 static ssize_t 3352 mptscsih_version_nvdata_persistent_show(struct device *dev, 3353 struct device_attribute *attr, 3354 char *buf) 3355 { 3356 struct Scsi_Host *host = class_to_shost(dev); 3357 MPT_SCSI_HOST *hd = shost_priv(host); 3358 MPT_ADAPTER *ioc = hd->ioc; 3359 3360 return snprintf(buf, PAGE_SIZE, "%02xh\n", 3361 ioc->nvdata_version_persistent); 3362 } 3363 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO, 3364 mptscsih_version_nvdata_persistent_show, NULL); 3365 3366 static ssize_t 3367 mptscsih_version_nvdata_default_show(struct device *dev, 3368 struct device_attribute *attr, char *buf) 3369 { 3370 struct Scsi_Host *host = class_to_shost(dev); 3371 MPT_SCSI_HOST *hd = shost_priv(host); 3372 MPT_ADAPTER *ioc = hd->ioc; 3373 3374 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default); 3375 } 3376 static DEVICE_ATTR(version_nvdata_default, S_IRUGO, 3377 mptscsih_version_nvdata_default_show, NULL); 3378 3379 static ssize_t 3380 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr, 3381 char *buf) 3382 { 3383 struct Scsi_Host *host = class_to_shost(dev); 3384 MPT_SCSI_HOST *hd = shost_priv(host); 3385 MPT_ADAPTER *ioc = hd->ioc; 3386 3387 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name); 3388 } 3389 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL); 3390 3391 static ssize_t 3392 mptscsih_board_assembly_show(struct device *dev, 3393 struct device_attribute *attr, char *buf) 3394 { 3395 struct Scsi_Host *host = class_to_shost(dev); 3396 MPT_SCSI_HOST *hd = shost_priv(host); 3397 MPT_ADAPTER *ioc = hd->ioc; 3398 3399 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly); 3400 } 3401 static DEVICE_ATTR(board_assembly, S_IRUGO, 3402 mptscsih_board_assembly_show, NULL); 3403 3404 static ssize_t 3405 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr, 3406 char *buf) 3407 { 3408 struct Scsi_Host *host = class_to_shost(dev); 3409 MPT_SCSI_HOST *hd = shost_priv(host); 3410 MPT_ADAPTER *ioc = hd->ioc; 3411 3412 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer); 3413 } 3414 static DEVICE_ATTR(board_tracer, S_IRUGO, 3415 mptscsih_board_tracer_show, NULL); 3416 3417 static ssize_t 3418 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr, 3419 char *buf) 3420 { 3421 struct Scsi_Host *host = class_to_shost(dev); 3422 MPT_SCSI_HOST *hd = shost_priv(host); 3423 MPT_ADAPTER *ioc = hd->ioc; 3424 3425 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay); 3426 } 3427 static DEVICE_ATTR(io_delay, S_IRUGO, 3428 mptscsih_io_delay_show, NULL); 3429 3430 static ssize_t 3431 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr, 3432 char *buf) 3433 { 3434 struct Scsi_Host *host = class_to_shost(dev); 3435 MPT_SCSI_HOST *hd = shost_priv(host); 3436 MPT_ADAPTER *ioc = hd->ioc; 3437 3438 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay); 3439 } 3440 static DEVICE_ATTR(device_delay, S_IRUGO, 3441 mptscsih_device_delay_show, NULL); 3442 3443 static ssize_t 3444 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr, 3445 char *buf) 3446 { 3447 struct Scsi_Host *host = class_to_shost(dev); 3448 MPT_SCSI_HOST *hd = shost_priv(host); 3449 MPT_ADAPTER *ioc = hd->ioc; 3450 3451 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level); 3452 } 3453 static ssize_t 3454 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr, 3455 const char *buf, size_t count) 3456 { 3457 struct Scsi_Host *host = class_to_shost(dev); 3458 MPT_SCSI_HOST *hd = shost_priv(host); 3459 MPT_ADAPTER *ioc = hd->ioc; 3460 int val = 0; 3461 3462 if (sscanf(buf, "%x", &val) != 1) 3463 return -EINVAL; 3464 3465 ioc->debug_level = val; 3466 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n", 3467 ioc->name, ioc->debug_level); 3468 return strlen(buf); 3469 } 3470 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR, 3471 mptscsih_debug_level_show, mptscsih_debug_level_store); 3472 3473 struct device_attribute *mptscsih_host_attrs[] = { 3474 &dev_attr_version_fw, 3475 &dev_attr_version_bios, 3476 &dev_attr_version_mpi, 3477 &dev_attr_version_product, 3478 &dev_attr_version_nvdata_persistent, 3479 &dev_attr_version_nvdata_default, 3480 &dev_attr_board_name, 3481 &dev_attr_board_assembly, 3482 &dev_attr_board_tracer, 3483 &dev_attr_io_delay, 3484 &dev_attr_device_delay, 3485 &dev_attr_debug_level, 3486 NULL, 3487 }; 3488 EXPORT_SYMBOL(mptscsih_host_attrs); 3489 3490 EXPORT_SYMBOL(mptscsih_remove); 3491 EXPORT_SYMBOL(mptscsih_shutdown); 3492 #ifdef CONFIG_PM 3493 EXPORT_SYMBOL(mptscsih_suspend); 3494 EXPORT_SYMBOL(mptscsih_resume); 3495 #endif 3496 EXPORT_SYMBOL(mptscsih_proc_info); 3497 EXPORT_SYMBOL(mptscsih_info); 3498 EXPORT_SYMBOL(mptscsih_qcmd); 3499 EXPORT_SYMBOL(mptscsih_slave_destroy); 3500 EXPORT_SYMBOL(mptscsih_slave_configure); 3501 EXPORT_SYMBOL(mptscsih_abort); 3502 EXPORT_SYMBOL(mptscsih_dev_reset); 3503 EXPORT_SYMBOL(mptscsih_bus_reset); 3504 EXPORT_SYMBOL(mptscsih_host_reset); 3505 EXPORT_SYMBOL(mptscsih_bios_param); 3506 EXPORT_SYMBOL(mptscsih_io_done); 3507 EXPORT_SYMBOL(mptscsih_taskmgmt_complete); 3508 EXPORT_SYMBOL(mptscsih_scandv_complete); 3509 EXPORT_SYMBOL(mptscsih_event_process); 3510 EXPORT_SYMBOL(mptscsih_ioc_reset); 3511 EXPORT_SYMBOL(mptscsih_change_queue_depth); 3512 EXPORT_SYMBOL(mptscsih_timer_expired); 3513 EXPORT_SYMBOL(mptscsih_TMHandler); 3514 3515 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3516