1 /* 2 * Copyright (c) 2015, AVAGO Tech. All rights reserved. Author: Marian Choy 3 * Copyright (c) 2014, LSI Corp. All rights reserved. Author: Marian Choy 4 * Support: freebsdraid@avagotech.com 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: 9 * 10 * 1. Redistributions of source code must retain the above copyright notice, 11 * this list of conditions and the following disclaimer. 2. Redistributions 12 * in binary form must reproduce the above copyright notice, this list of 13 * conditions and the following disclaimer in the documentation and/or other 14 * materials provided with the distribution. 3. Neither the name of the 15 * <ORGANIZATION> nor the names of its contributors may be used to endorse or 16 * promote products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 * 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include "dev/mrsas/mrsas.h" 37 38 #include <cam/cam.h> 39 #include <cam/cam_ccb.h> 40 #include <cam/cam_sim.h> 41 #include <cam/cam_xpt_sim.h> 42 #include <cam/cam_debug.h> 43 #include <cam/cam_periph.h> 44 #include <cam/cam_xpt_periph.h> 45 46 #include <cam/scsi/scsi_all.h> 47 #include <cam/scsi/scsi_message.h> 48 #include <sys/taskqueue.h> 49 #include <sys/kernel.h> 50 51 52 #include <sys/time.h> /* XXX for pcpu.h */ 53 #include <sys/pcpu.h> /* XXX for PCPU_GET */ 54 55 #define smp_processor_id() PCPU_GET(cpuid) 56 57 /* 58 * Function prototypes 59 */ 60 int mrsas_cam_attach(struct mrsas_softc *sc); 61 int mrsas_find_io_type(struct cam_sim *sim, union ccb *ccb); 62 int mrsas_bus_scan(struct mrsas_softc *sc); 63 int mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim); 64 int 65 mrsas_map_request(struct mrsas_softc *sc, 66 struct mrsas_mpt_cmd *cmd, union ccb *ccb); 67 int 68 mrsas_build_ldio_rw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 69 union ccb *ccb); 70 int 71 mrsas_build_ldio_nonrw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 72 union ccb *ccb); 73 int 74 mrsas_build_syspdio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 75 union ccb *ccb, struct cam_sim *sim, u_int8_t fp_possible); 76 int 77 mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 78 union ccb *ccb, u_int32_t device_id, 79 MRSAS_RAID_SCSI_IO_REQUEST * io_request); 80 void mrsas_xpt_freeze(struct mrsas_softc *sc); 81 void mrsas_xpt_release(struct mrsas_softc *sc); 82 void mrsas_cam_detach(struct mrsas_softc *sc); 83 void mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd); 84 void mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd); 85 void mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd); 86 void 87 mrsas_fire_cmd(struct mrsas_softc *sc, u_int32_t req_desc_lo, 88 u_int32_t req_desc_hi); 89 void 90 mrsas_set_pd_lba(MRSAS_RAID_SCSI_IO_REQUEST * io_request, 91 u_int8_t cdb_len, struct IO_REQUEST_INFO *io_info, union ccb *ccb, 92 MR_DRV_RAID_MAP_ALL * local_map_ptr, u_int32_t ref_tag, 93 u_int32_t ld_block_size); 94 static void mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim); 95 static void mrsas_cam_poll(struct cam_sim *sim); 96 static void mrsas_action(struct cam_sim *sim, union ccb *ccb); 97 static void mrsas_scsiio_timeout(void *data); 98 static int mrsas_track_scsiio(struct mrsas_softc *sc, target_id_t id, u_int32_t bus_id); 99 static void mrsas_tm_response_code(struct mrsas_softc *sc, 100 MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply); 101 static int mrsas_issue_tm(struct mrsas_softc *sc, 102 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc); 103 static void 104 mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs, 105 int nseg, int error); 106 static int32_t 107 mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim, 108 union ccb *ccb); 109 struct mrsas_mpt_cmd *mrsas_get_mpt_cmd(struct mrsas_softc *sc); 110 MRSAS_REQUEST_DESCRIPTOR_UNION * 111 mrsas_get_request_desc(struct mrsas_softc *sc, u_int16_t index); 112 113 extern void 114 mrsas_map_mpt_cmd_status(struct mrsas_mpt_cmd *cmd, u_int8_t status, 115 u_int8_t extStatus); 116 extern int mrsas_reset_targets(struct mrsas_softc *sc); 117 extern u_int16_t MR_TargetIdToLdGet(u_int32_t ldTgtId, MR_DRV_RAID_MAP_ALL * map); 118 extern u_int32_t 119 MR_LdBlockSizeGet(u_int32_t ldTgtId, MR_DRV_RAID_MAP_ALL * map, 120 struct mrsas_softc *sc); 121 extern void mrsas_isr(void *arg); 122 extern void mrsas_aen_handler(struct mrsas_softc *sc); 123 extern u_int8_t 124 MR_BuildRaidContext(struct mrsas_softc *sc, 125 struct IO_REQUEST_INFO *io_info, RAID_CONTEXT * pRAID_Context, 126 MR_DRV_RAID_MAP_ALL * map); 127 extern u_int16_t 128 MR_LdSpanArrayGet(u_int32_t ld, u_int32_t span, 129 MR_DRV_RAID_MAP_ALL * map); 130 extern u_int16_t 131 mrsas_get_updated_dev_handle(struct mrsas_softc *sc, 132 PLD_LOAD_BALANCE_INFO lbInfo, struct IO_REQUEST_INFO *io_info); 133 extern u_int8_t 134 megasas_get_best_arm(PLD_LOAD_BALANCE_INFO lbInfo, u_int8_t arm, 135 u_int64_t block, u_int32_t count); 136 extern int mrsas_complete_cmd(struct mrsas_softc *sc, u_int32_t MSIxIndex); 137 extern MR_LD_RAID *MR_LdRaidGet(u_int32_t ld, MR_DRV_RAID_MAP_ALL * map); 138 extern void mrsas_disable_intr(struct mrsas_softc *sc); 139 extern void mrsas_enable_intr(struct mrsas_softc *sc); 140 141 142 /* 143 * mrsas_cam_attach: Main entry to CAM subsystem 144 * input: Adapter instance soft state 145 * 146 * This function is called from mrsas_attach() during initialization to perform 147 * SIM allocations and XPT bus registration. If the kernel version is 7.4 or 148 * earlier, it would also initiate a bus scan. 149 */ 150 int 151 mrsas_cam_attach(struct mrsas_softc *sc) 152 { 153 struct cam_devq *devq; 154 int mrsas_cam_depth; 155 156 mrsas_cam_depth = sc->max_fw_cmds - MRSAS_INTERNAL_CMDS; 157 158 if ((devq = cam_simq_alloc(mrsas_cam_depth)) == NULL) { 159 device_printf(sc->mrsas_dev, "Cannot allocate SIM queue\n"); 160 return (ENOMEM); 161 } 162 /* 163 * Create SIM for bus 0 and register, also create path 164 */ 165 sc->sim_0 = cam_sim_alloc(mrsas_action, mrsas_cam_poll, "mrsas", sc, 166 device_get_unit(sc->mrsas_dev), &sc->sim_lock, mrsas_cam_depth, 167 mrsas_cam_depth, devq); 168 if (sc->sim_0 == NULL) { 169 cam_simq_free(devq); 170 device_printf(sc->mrsas_dev, "Cannot register SIM\n"); 171 return (ENXIO); 172 } 173 /* Initialize taskqueue for Event Handling */ 174 TASK_INIT(&sc->ev_task, 0, (void *)mrsas_aen_handler, sc); 175 sc->ev_tq = taskqueue_create("mrsas_taskq", M_NOWAIT | M_ZERO, 176 taskqueue_thread_enqueue, &sc->ev_tq); 177 178 /* Run the task queue with lowest priority */ 179 taskqueue_start_threads(&sc->ev_tq, 1, 255, "%s taskq", 180 device_get_nameunit(sc->mrsas_dev)); 181 mtx_lock(&sc->sim_lock); 182 if (xpt_bus_register(sc->sim_0, sc->mrsas_dev, 0) != CAM_SUCCESS) { 183 cam_sim_free(sc->sim_0, TRUE); /* passing true frees the devq */ 184 mtx_unlock(&sc->sim_lock); 185 return (ENXIO); 186 } 187 if (xpt_create_path(&sc->path_0, NULL, cam_sim_path(sc->sim_0), 188 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 189 xpt_bus_deregister(cam_sim_path(sc->sim_0)); 190 cam_sim_free(sc->sim_0, TRUE); /* passing true will free the 191 * devq */ 192 mtx_unlock(&sc->sim_lock); 193 return (ENXIO); 194 } 195 mtx_unlock(&sc->sim_lock); 196 197 /* 198 * Create SIM for bus 1 and register, also create path 199 */ 200 sc->sim_1 = cam_sim_alloc(mrsas_action, mrsas_cam_poll, "mrsas", sc, 201 device_get_unit(sc->mrsas_dev), &sc->sim_lock, mrsas_cam_depth, 202 mrsas_cam_depth, devq); 203 if (sc->sim_1 == NULL) { 204 cam_simq_free(devq); 205 device_printf(sc->mrsas_dev, "Cannot register SIM\n"); 206 return (ENXIO); 207 } 208 mtx_lock(&sc->sim_lock); 209 if (xpt_bus_register(sc->sim_1, sc->mrsas_dev, 1) != CAM_SUCCESS) { 210 cam_sim_free(sc->sim_1, TRUE); /* passing true frees the devq */ 211 mtx_unlock(&sc->sim_lock); 212 return (ENXIO); 213 } 214 if (xpt_create_path(&sc->path_1, NULL, cam_sim_path(sc->sim_1), 215 CAM_TARGET_WILDCARD, 216 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 217 xpt_bus_deregister(cam_sim_path(sc->sim_1)); 218 cam_sim_free(sc->sim_1, TRUE); 219 mtx_unlock(&sc->sim_lock); 220 return (ENXIO); 221 } 222 mtx_unlock(&sc->sim_lock); 223 224 #if (__FreeBSD_version <= 704000) 225 if (mrsas_bus_scan(sc)) { 226 device_printf(sc->mrsas_dev, "Error in bus scan.\n"); 227 return (1); 228 } 229 #endif 230 return (0); 231 } 232 233 /* 234 * mrsas_cam_detach: De-allocates and teardown CAM 235 * input: Adapter instance soft state 236 * 237 * De-registers and frees the paths and SIMs. 238 */ 239 void 240 mrsas_cam_detach(struct mrsas_softc *sc) 241 { 242 if (sc->ev_tq != NULL) 243 taskqueue_free(sc->ev_tq); 244 mtx_lock(&sc->sim_lock); 245 if (sc->path_0) 246 xpt_free_path(sc->path_0); 247 if (sc->sim_0) { 248 xpt_bus_deregister(cam_sim_path(sc->sim_0)); 249 cam_sim_free(sc->sim_0, FALSE); 250 } 251 if (sc->path_1) 252 xpt_free_path(sc->path_1); 253 if (sc->sim_1) { 254 xpt_bus_deregister(cam_sim_path(sc->sim_1)); 255 cam_sim_free(sc->sim_1, TRUE); 256 } 257 mtx_unlock(&sc->sim_lock); 258 } 259 260 /* 261 * mrsas_action: SIM callback entry point 262 * input: pointer to SIM pointer to CAM Control Block 263 * 264 * This function processes CAM subsystem requests. The type of request is stored 265 * in ccb->ccb_h.func_code. The preprocessor #ifdef is necessary because 266 * ccb->cpi.maxio is not supported for FreeBSD version 7.4 or earlier. 267 */ 268 static void 269 mrsas_action(struct cam_sim *sim, union ccb *ccb) 270 { 271 struct mrsas_softc *sc = (struct mrsas_softc *)cam_sim_softc(sim); 272 struct ccb_hdr *ccb_h = &(ccb->ccb_h); 273 u_int32_t device_id; 274 275 /* 276 * Check if the system going down 277 * or the adapter is in unrecoverable critical error 278 */ 279 if (sc->remove_in_progress || 280 (sc->adprecovery == MRSAS_HW_CRITICAL_ERROR)) { 281 ccb->ccb_h.status |= CAM_DEV_NOT_THERE; 282 xpt_done(ccb); 283 return; 284 } 285 286 switch (ccb->ccb_h.func_code) { 287 case XPT_SCSI_IO: 288 { 289 device_id = ccb_h->target_id; 290 291 /* 292 * bus 0 is LD, bus 1 is for system-PD 293 */ 294 if (cam_sim_bus(sim) == 1 && 295 sc->pd_list[device_id].driveState != MR_PD_STATE_SYSTEM) { 296 ccb->ccb_h.status |= CAM_DEV_NOT_THERE; 297 xpt_done(ccb); 298 } else { 299 if (mrsas_startio(sc, sim, ccb)) { 300 ccb->ccb_h.status |= CAM_REQ_INVALID; 301 xpt_done(ccb); 302 } 303 } 304 break; 305 } 306 case XPT_ABORT: 307 { 308 ccb->ccb_h.status = CAM_UA_ABORT; 309 xpt_done(ccb); 310 break; 311 } 312 case XPT_RESET_BUS: 313 { 314 xpt_done(ccb); 315 break; 316 } 317 case XPT_GET_TRAN_SETTINGS: 318 { 319 ccb->cts.protocol = PROTO_SCSI; 320 ccb->cts.protocol_version = SCSI_REV_2; 321 ccb->cts.transport = XPORT_SPI; 322 ccb->cts.transport_version = 2; 323 ccb->cts.xport_specific.spi.valid = CTS_SPI_VALID_DISC; 324 ccb->cts.xport_specific.spi.flags = CTS_SPI_FLAGS_DISC_ENB; 325 ccb->cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ; 326 ccb->cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB; 327 ccb->ccb_h.status = CAM_REQ_CMP; 328 xpt_done(ccb); 329 break; 330 } 331 case XPT_SET_TRAN_SETTINGS: 332 { 333 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 334 xpt_done(ccb); 335 break; 336 } 337 case XPT_CALC_GEOMETRY: 338 { 339 cam_calc_geometry(&ccb->ccg, 1); 340 xpt_done(ccb); 341 break; 342 } 343 case XPT_PATH_INQ: 344 { 345 ccb->cpi.version_num = 1; 346 ccb->cpi.hba_inquiry = 0; 347 ccb->cpi.target_sprt = 0; 348 #if (__FreeBSD_version >= 902001) 349 ccb->cpi.hba_misc = PIM_UNMAPPED; 350 #else 351 ccb->cpi.hba_misc = 0; 352 #endif 353 ccb->cpi.hba_eng_cnt = 0; 354 ccb->cpi.max_lun = MRSAS_SCSI_MAX_LUNS; 355 ccb->cpi.unit_number = cam_sim_unit(sim); 356 ccb->cpi.bus_id = cam_sim_bus(sim); 357 ccb->cpi.initiator_id = MRSAS_SCSI_INITIATOR_ID; 358 ccb->cpi.base_transfer_speed = 150000; 359 strlcpy(ccb->cpi.sim_vid, "FreeBSD", SIM_IDLEN); 360 strlcpy(ccb->cpi.hba_vid, "AVAGO", HBA_IDLEN); 361 strlcpy(ccb->cpi.dev_name, cam_sim_name(sim), DEV_IDLEN); 362 ccb->cpi.transport = XPORT_SPI; 363 ccb->cpi.transport_version = 2; 364 ccb->cpi.protocol = PROTO_SCSI; 365 ccb->cpi.protocol_version = SCSI_REV_2; 366 if (ccb->cpi.bus_id == 0) 367 ccb->cpi.max_target = MRSAS_MAX_PD - 1; 368 else 369 ccb->cpi.max_target = MRSAS_MAX_LD_IDS - 1; 370 #if (__FreeBSD_version > 704000) 371 ccb->cpi.maxio = sc->max_num_sge * MRSAS_PAGE_SIZE; 372 #endif 373 ccb->ccb_h.status = CAM_REQ_CMP; 374 xpt_done(ccb); 375 break; 376 } 377 default: 378 { 379 ccb->ccb_h.status = CAM_REQ_INVALID; 380 xpt_done(ccb); 381 break; 382 } 383 } 384 } 385 386 /* 387 * mrsas_scsiio_timeout: Callback function for IO timed out 388 * input: mpt command context 389 * 390 * This function will execute after timeout value provided by ccb header from 391 * CAM layer, if timer expires. Driver will run timer for all DCDM and LDIO 392 * coming from CAM layer. This function is callback function for IO timeout 393 * and it runs in no-sleep context. Set do_timedout_reset in Adapter context 394 * so that it will execute OCR/Kill adpter from ocr_thread context. 395 */ 396 static void 397 mrsas_scsiio_timeout(void *data) 398 { 399 struct mrsas_mpt_cmd *cmd; 400 struct mrsas_softc *sc; 401 u_int32_t target_id; 402 403 if (!data) 404 return; 405 406 cmd = (struct mrsas_mpt_cmd *)data; 407 sc = cmd->sc; 408 409 if (cmd->ccb_ptr == NULL) { 410 printf("command timeout with NULL ccb\n"); 411 return; 412 } 413 414 /* 415 * Below callout is dummy entry so that it will be cancelled from 416 * mrsas_cmd_done(). Now Controller will go to OCR/Kill Adapter based 417 * on OCR enable/disable property of Controller from ocr_thread 418 * context. 419 */ 420 #if (__FreeBSD_version >= 1000510) 421 callout_reset_sbt(&cmd->cm_callout, SBT_1S * 180, 0, 422 mrsas_scsiio_timeout, cmd, 0); 423 #else 424 callout_reset(&cmd->cm_callout, (180000 * hz) / 1000, 425 mrsas_scsiio_timeout, cmd); 426 #endif 427 428 if (cmd->ccb_ptr->cpi.bus_id == 0) 429 target_id = cmd->ccb_ptr->ccb_h.target_id; 430 else 431 target_id = (cmd->ccb_ptr->ccb_h.target_id + (MRSAS_MAX_PD - 1)); 432 433 /* Save the cmd to be processed for TM, if it is not there in the array */ 434 if (sc->target_reset_pool[target_id] == NULL) { 435 sc->target_reset_pool[target_id] = cmd; 436 mrsas_atomic_inc(&sc->target_reset_outstanding); 437 } 438 439 return; 440 } 441 442 /* 443 * mrsas_startio: SCSI IO entry point 444 * input: Adapter instance soft state 445 * pointer to CAM Control Block 446 * 447 * This function is the SCSI IO entry point and it initiates IO processing. It 448 * copies the IO and depending if the IO is read/write or inquiry, it would 449 * call mrsas_build_ldio() or mrsas_build_dcdb(), respectively. It returns 0 450 * if the command is sent to firmware successfully, otherwise it returns 1. 451 */ 452 static int32_t 453 mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim, 454 union ccb *ccb) 455 { 456 struct mrsas_mpt_cmd *cmd; 457 struct ccb_hdr *ccb_h = &(ccb->ccb_h); 458 struct ccb_scsiio *csio = &(ccb->csio); 459 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc; 460 u_int8_t cmd_type; 461 462 if ((csio->cdb_io.cdb_bytes[0]) == SYNCHRONIZE_CACHE && 463 (!sc->fw_sync_cache_support)) { 464 ccb->ccb_h.status = CAM_REQ_CMP; 465 xpt_done(ccb); 466 return (0); 467 } 468 ccb_h->status |= CAM_SIM_QUEUED; 469 cmd = mrsas_get_mpt_cmd(sc); 470 471 if (!cmd) { 472 ccb_h->status |= CAM_REQUEUE_REQ; 473 xpt_done(ccb); 474 return (0); 475 } 476 if ((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 477 if (ccb_h->flags & CAM_DIR_IN) 478 cmd->flags |= MRSAS_DIR_IN; 479 if (ccb_h->flags & CAM_DIR_OUT) 480 cmd->flags |= MRSAS_DIR_OUT; 481 } else 482 cmd->flags = MRSAS_DIR_NONE; /* no data */ 483 484 /* For FreeBSD 9.2 and higher */ 485 #if (__FreeBSD_version >= 902001) 486 /* 487 * XXX We don't yet support physical addresses here. 488 */ 489 switch ((ccb->ccb_h.flags & CAM_DATA_MASK)) { 490 case CAM_DATA_PADDR: 491 case CAM_DATA_SG_PADDR: 492 device_printf(sc->mrsas_dev, "%s: physical addresses not supported\n", 493 __func__); 494 mrsas_release_mpt_cmd(cmd); 495 ccb_h->status = CAM_REQ_INVALID; 496 ccb_h->status &= ~CAM_SIM_QUEUED; 497 goto done; 498 case CAM_DATA_SG: 499 device_printf(sc->mrsas_dev, "%s: scatter gather is not supported\n", 500 __func__); 501 mrsas_release_mpt_cmd(cmd); 502 ccb_h->status = CAM_REQ_INVALID; 503 goto done; 504 case CAM_DATA_VADDR: 505 if (csio->dxfer_len > (sc->max_num_sge * MRSAS_PAGE_SIZE)) { 506 mrsas_release_mpt_cmd(cmd); 507 ccb_h->status = CAM_REQ_TOO_BIG; 508 goto done; 509 } 510 cmd->length = csio->dxfer_len; 511 if (cmd->length) 512 cmd->data = csio->data_ptr; 513 break; 514 case CAM_DATA_BIO: 515 if (csio->dxfer_len > (sc->max_num_sge * MRSAS_PAGE_SIZE)) { 516 mrsas_release_mpt_cmd(cmd); 517 ccb_h->status = CAM_REQ_TOO_BIG; 518 goto done; 519 } 520 cmd->length = csio->dxfer_len; 521 if (cmd->length) 522 cmd->data = csio->data_ptr; 523 break; 524 default: 525 ccb->ccb_h.status = CAM_REQ_INVALID; 526 goto done; 527 } 528 #else 529 if (!(ccb_h->flags & CAM_DATA_PHYS)) { /* Virtual data address */ 530 if (!(ccb_h->flags & CAM_SCATTER_VALID)) { 531 if (csio->dxfer_len > (sc->max_num_sge * MRSAS_PAGE_SIZE)) { 532 mrsas_release_mpt_cmd(cmd); 533 ccb_h->status = CAM_REQ_TOO_BIG; 534 goto done; 535 } 536 cmd->length = csio->dxfer_len; 537 if (cmd->length) 538 cmd->data = csio->data_ptr; 539 } else { 540 mrsas_release_mpt_cmd(cmd); 541 ccb_h->status = CAM_REQ_INVALID; 542 goto done; 543 } 544 } else { /* Data addresses are physical. */ 545 mrsas_release_mpt_cmd(cmd); 546 ccb_h->status = CAM_REQ_INVALID; 547 ccb_h->status &= ~CAM_SIM_QUEUED; 548 goto done; 549 } 550 #endif 551 /* save ccb ptr */ 552 cmd->ccb_ptr = ccb; 553 554 req_desc = mrsas_get_request_desc(sc, (cmd->index) - 1); 555 if (!req_desc) { 556 device_printf(sc->mrsas_dev, "Cannot get request_descriptor.\n"); 557 return (FAIL); 558 } 559 memset(req_desc, 0, sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION)); 560 cmd->request_desc = req_desc; 561 562 if (ccb_h->flags & CAM_CDB_POINTER) 563 bcopy(csio->cdb_io.cdb_ptr, cmd->io_request->CDB.CDB32, csio->cdb_len); 564 else 565 bcopy(csio->cdb_io.cdb_bytes, cmd->io_request->CDB.CDB32, csio->cdb_len); 566 mtx_lock(&sc->raidmap_lock); 567 568 /* Check for IO type READ-WRITE targeted for Logical Volume */ 569 cmd_type = mrsas_find_io_type(sim, ccb); 570 switch (cmd_type) { 571 case READ_WRITE_LDIO: 572 /* Build READ-WRITE IO for Logical Volume */ 573 if (mrsas_build_ldio_rw(sc, cmd, ccb)) { 574 device_printf(sc->mrsas_dev, "Build RW LDIO failed.\n"); 575 mtx_unlock(&sc->raidmap_lock); 576 return (1); 577 } 578 break; 579 case NON_READ_WRITE_LDIO: 580 /* Build NON READ-WRITE IO for Logical Volume */ 581 if (mrsas_build_ldio_nonrw(sc, cmd, ccb)) { 582 device_printf(sc->mrsas_dev, "Build NON-RW LDIO failed.\n"); 583 mtx_unlock(&sc->raidmap_lock); 584 return (1); 585 } 586 break; 587 case READ_WRITE_SYSPDIO: 588 case NON_READ_WRITE_SYSPDIO: 589 if (sc->secure_jbod_support && 590 (cmd_type == NON_READ_WRITE_SYSPDIO)) { 591 /* Build NON-RW IO for JBOD */ 592 if (mrsas_build_syspdio(sc, cmd, ccb, sim, 0)) { 593 device_printf(sc->mrsas_dev, 594 "Build SYSPDIO failed.\n"); 595 mtx_unlock(&sc->raidmap_lock); 596 return (1); 597 } 598 } else { 599 /* Build RW IO for JBOD */ 600 if (mrsas_build_syspdio(sc, cmd, ccb, sim, 1)) { 601 device_printf(sc->mrsas_dev, 602 "Build SYSPDIO failed.\n"); 603 mtx_unlock(&sc->raidmap_lock); 604 return (1); 605 } 606 } 607 } 608 mtx_unlock(&sc->raidmap_lock); 609 610 if (cmd->flags == MRSAS_DIR_IN) /* from device */ 611 cmd->io_request->Control |= MPI2_SCSIIO_CONTROL_READ; 612 else if (cmd->flags == MRSAS_DIR_OUT) /* to device */ 613 cmd->io_request->Control |= MPI2_SCSIIO_CONTROL_WRITE; 614 615 cmd->io_request->SGLFlags = MPI2_SGE_FLAGS_64_BIT_ADDRESSING; 616 cmd->io_request->SGLOffset0 = offsetof(MRSAS_RAID_SCSI_IO_REQUEST, SGL) / 4; 617 cmd->io_request->SenseBufferLowAddress = cmd->sense_phys_addr; 618 cmd->io_request->SenseBufferLength = MRSAS_SCSI_SENSE_BUFFERSIZE; 619 620 req_desc = cmd->request_desc; 621 req_desc->SCSIIO.SMID = cmd->index; 622 623 /* 624 * Start timer for IO timeout. Default timeout value is 90 second. 625 */ 626 #if (__FreeBSD_version >= 1000510) 627 callout_reset_sbt(&cmd->cm_callout, SBT_1S * 180, 0, 628 mrsas_scsiio_timeout, cmd, 0); 629 #else 630 callout_reset(&cmd->cm_callout, (180000 * hz) / 1000, 631 mrsas_scsiio_timeout, cmd); 632 #endif 633 mrsas_atomic_inc(&sc->fw_outstanding); 634 635 if (mrsas_atomic_read(&sc->fw_outstanding) > sc->io_cmds_highwater) 636 sc->io_cmds_highwater++; 637 638 mrsas_fire_cmd(sc, req_desc->addr.u.low, req_desc->addr.u.high); 639 return (0); 640 641 done: 642 xpt_done(ccb); 643 return (0); 644 } 645 646 /* 647 * mrsas_find_io_type: Determines if IO is read/write or inquiry 648 * input: pointer to CAM Control Block 649 * 650 * This function determines if the IO is read/write or inquiry. It returns a 1 651 * if the IO is read/write and 0 if it is inquiry. 652 */ 653 int 654 mrsas_find_io_type(struct cam_sim *sim, union ccb *ccb) 655 { 656 struct ccb_scsiio *csio = &(ccb->csio); 657 658 switch (csio->cdb_io.cdb_bytes[0]) { 659 case READ_10: 660 case WRITE_10: 661 case READ_12: 662 case WRITE_12: 663 case READ_6: 664 case WRITE_6: 665 case READ_16: 666 case WRITE_16: 667 return (cam_sim_bus(sim) ? 668 READ_WRITE_SYSPDIO : READ_WRITE_LDIO); 669 default: 670 return (cam_sim_bus(sim) ? 671 NON_READ_WRITE_SYSPDIO : NON_READ_WRITE_LDIO); 672 } 673 } 674 675 /* 676 * mrsas_get_mpt_cmd: Get a cmd from free command pool 677 * input: Adapter instance soft state 678 * 679 * This function removes an MPT command from the command free list and 680 * initializes it. 681 */ 682 struct mrsas_mpt_cmd * 683 mrsas_get_mpt_cmd(struct mrsas_softc *sc) 684 { 685 struct mrsas_mpt_cmd *cmd = NULL; 686 687 mtx_lock(&sc->mpt_cmd_pool_lock); 688 if (!TAILQ_EMPTY(&sc->mrsas_mpt_cmd_list_head)) { 689 cmd = TAILQ_FIRST(&sc->mrsas_mpt_cmd_list_head); 690 TAILQ_REMOVE(&sc->mrsas_mpt_cmd_list_head, cmd, next); 691 } else { 692 goto out; 693 } 694 695 memset((uint8_t *)cmd->io_request, 0, MRSAS_MPI2_RAID_DEFAULT_IO_FRAME_SIZE); 696 cmd->data = NULL; 697 cmd->length = 0; 698 cmd->flags = 0; 699 cmd->error_code = 0; 700 cmd->load_balance = 0; 701 cmd->ccb_ptr = NULL; 702 703 out: 704 mtx_unlock(&sc->mpt_cmd_pool_lock); 705 return cmd; 706 } 707 708 /* 709 * mrsas_release_mpt_cmd: Return a cmd to free command pool 710 * input: Command packet for return to free command pool 711 * 712 * This function returns an MPT command to the free command list. 713 */ 714 void 715 mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd) 716 { 717 struct mrsas_softc *sc = cmd->sc; 718 719 mtx_lock(&sc->mpt_cmd_pool_lock); 720 cmd->sync_cmd_idx = (u_int32_t)MRSAS_ULONG_MAX; 721 TAILQ_INSERT_HEAD(&(sc->mrsas_mpt_cmd_list_head), cmd, next); 722 mtx_unlock(&sc->mpt_cmd_pool_lock); 723 724 return; 725 } 726 727 /* 728 * mrsas_get_request_desc: Get request descriptor from array 729 * input: Adapter instance soft state 730 * SMID index 731 * 732 * This function returns a pointer to the request descriptor. 733 */ 734 MRSAS_REQUEST_DESCRIPTOR_UNION * 735 mrsas_get_request_desc(struct mrsas_softc *sc, u_int16_t index) 736 { 737 u_int8_t *p; 738 739 if (index >= sc->max_fw_cmds) { 740 device_printf(sc->mrsas_dev, "Invalid SMID (0x%x)request for desc\n", index); 741 return NULL; 742 } 743 p = sc->req_desc + sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION) * index; 744 745 return (MRSAS_REQUEST_DESCRIPTOR_UNION *) p; 746 } 747 748 /* 749 * mrsas_build_ldio_rw: Builds an LDIO command 750 * input: Adapter instance soft state 751 * Pointer to command packet 752 * Pointer to CCB 753 * 754 * This function builds the LDIO command packet. It returns 0 if the command is 755 * built successfully, otherwise it returns a 1. 756 */ 757 int 758 mrsas_build_ldio_rw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 759 union ccb *ccb) 760 { 761 struct ccb_hdr *ccb_h = &(ccb->ccb_h); 762 struct ccb_scsiio *csio = &(ccb->csio); 763 u_int32_t device_id; 764 MRSAS_RAID_SCSI_IO_REQUEST *io_request; 765 766 device_id = ccb_h->target_id; 767 768 io_request = cmd->io_request; 769 io_request->RaidContext.VirtualDiskTgtId = device_id; 770 io_request->RaidContext.status = 0; 771 io_request->RaidContext.exStatus = 0; 772 773 /* just the cdb len, other flags zero, and ORed-in later for FP */ 774 io_request->IoFlags = csio->cdb_len; 775 776 if (mrsas_setup_io(sc, cmd, ccb, device_id, io_request) != SUCCESS) 777 device_printf(sc->mrsas_dev, "Build ldio or fpio error\n"); 778 779 io_request->DataLength = cmd->length; 780 781 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) { 782 if (cmd->sge_count > sc->max_num_sge) { 783 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds" 784 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge); 785 return (FAIL); 786 } 787 /* 788 * numSGE store lower 8 bit of sge_count. numSGEExt store 789 * higher 8 bit of sge_count 790 */ 791 io_request->RaidContext.numSGE = cmd->sge_count; 792 io_request->RaidContext.numSGEExt = (uint8_t)(cmd->sge_count >> 8); 793 794 } else { 795 device_printf(sc->mrsas_dev, "Data map/load failed.\n"); 796 return (FAIL); 797 } 798 return (0); 799 } 800 801 /* 802 * mrsas_setup_io: Set up data including Fast Path I/O 803 * input: Adapter instance soft state 804 * Pointer to command packet 805 * Pointer to CCB 806 * 807 * This function builds the DCDB inquiry command. It returns 0 if the command 808 * is built successfully, otherwise it returns a 1. 809 */ 810 int 811 mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 812 union ccb *ccb, u_int32_t device_id, 813 MRSAS_RAID_SCSI_IO_REQUEST * io_request) 814 { 815 struct ccb_hdr *ccb_h = &(ccb->ccb_h); 816 struct ccb_scsiio *csio = &(ccb->csio); 817 struct IO_REQUEST_INFO io_info; 818 MR_DRV_RAID_MAP_ALL *map_ptr; 819 MR_LD_RAID *raid; 820 u_int8_t fp_possible; 821 u_int32_t start_lba_hi, start_lba_lo, ld_block_size, ld; 822 u_int32_t datalength = 0; 823 824 start_lba_lo = 0; 825 start_lba_hi = 0; 826 fp_possible = 0; 827 828 /* 829 * READ_6 (0x08) or WRITE_6 (0x0A) cdb 830 */ 831 if (csio->cdb_len == 6) { 832 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[4]; 833 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[1] << 16) | 834 ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 8) | 835 (u_int32_t)csio->cdb_io.cdb_bytes[3]; 836 start_lba_lo &= 0x1FFFFF; 837 } 838 /* 839 * READ_10 (0x28) or WRITE_6 (0x2A) cdb 840 */ 841 else if (csio->cdb_len == 10) { 842 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[8] | 843 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 8); 844 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) | 845 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) | 846 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 | 847 ((u_int32_t)csio->cdb_io.cdb_bytes[5]); 848 } 849 /* 850 * READ_12 (0xA8) or WRITE_12 (0xAA) cdb 851 */ 852 else if (csio->cdb_len == 12) { 853 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[6] << 24 | 854 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 16) | 855 ((u_int32_t)csio->cdb_io.cdb_bytes[8] << 8) | 856 ((u_int32_t)csio->cdb_io.cdb_bytes[9]); 857 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) | 858 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) | 859 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 | 860 ((u_int32_t)csio->cdb_io.cdb_bytes[5]); 861 } 862 /* 863 * READ_16 (0x88) or WRITE_16 (0xx8A) cdb 864 */ 865 else if (csio->cdb_len == 16) { 866 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[10] << 24 | 867 ((u_int32_t)csio->cdb_io.cdb_bytes[11] << 16) | 868 ((u_int32_t)csio->cdb_io.cdb_bytes[12] << 8) | 869 ((u_int32_t)csio->cdb_io.cdb_bytes[13]); 870 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[6] << 24) | 871 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 16) | 872 (u_int32_t)csio->cdb_io.cdb_bytes[8] << 8 | 873 ((u_int32_t)csio->cdb_io.cdb_bytes[9]); 874 start_lba_hi = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) | 875 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) | 876 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 | 877 ((u_int32_t)csio->cdb_io.cdb_bytes[5]); 878 } 879 memset(&io_info, 0, sizeof(struct IO_REQUEST_INFO)); 880 io_info.ldStartBlock = ((u_int64_t)start_lba_hi << 32) | start_lba_lo; 881 io_info.numBlocks = datalength; 882 io_info.ldTgtId = device_id; 883 884 switch (ccb_h->flags & CAM_DIR_MASK) { 885 case CAM_DIR_IN: 886 io_info.isRead = 1; 887 break; 888 case CAM_DIR_OUT: 889 io_info.isRead = 0; 890 break; 891 case CAM_DIR_NONE: 892 default: 893 mrsas_dprint(sc, MRSAS_TRACE, "From %s : DMA Flag is %d \n", __func__, ccb_h->flags & CAM_DIR_MASK); 894 break; 895 } 896 897 map_ptr = sc->ld_drv_map[(sc->map_id & 1)]; 898 ld_block_size = MR_LdBlockSizeGet(device_id, map_ptr, sc); 899 900 ld = MR_TargetIdToLdGet(device_id, map_ptr); 901 if ((ld >= MAX_LOGICAL_DRIVES_EXT) || (!sc->fast_path_io)) { 902 io_request->RaidContext.regLockFlags = 0; 903 fp_possible = 0; 904 } else { 905 if (MR_BuildRaidContext(sc, &io_info, &io_request->RaidContext, map_ptr)) 906 fp_possible = io_info.fpOkForIo; 907 } 908 909 raid = MR_LdRaidGet(ld, map_ptr); 910 /* Store the TM capability value in cmd */ 911 cmd->tmCapable = raid->capability.tmCapable; 912 913 cmd->request_desc->SCSIIO.MSIxIndex = 914 sc->msix_vectors ? smp_processor_id() % sc->msix_vectors : 0; 915 916 917 if (fp_possible) { 918 mrsas_set_pd_lba(io_request, csio->cdb_len, &io_info, ccb, map_ptr, 919 start_lba_lo, ld_block_size); 920 io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; 921 cmd->request_desc->SCSIIO.RequestFlags = 922 (MPI2_REQ_DESCRIPT_FLAGS_FP_IO << 923 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 924 if (sc->mrsas_gen3_ctrl) { 925 if (io_request->RaidContext.regLockFlags == REGION_TYPE_UNUSED) 926 cmd->request_desc->SCSIIO.RequestFlags = 927 (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK << 928 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 929 io_request->RaidContext.Type = MPI2_TYPE_CUDA; 930 io_request->RaidContext.nseg = 0x1; 931 io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH; 932 io_request->RaidContext.regLockFlags |= 933 (MR_RL_FLAGS_GRANT_DESTINATION_CUDA | 934 MR_RL_FLAGS_SEQ_NUM_ENABLE); 935 } 936 if ((sc->load_balance_info[device_id].loadBalanceFlag) && 937 (io_info.isRead)) { 938 io_info.devHandle = 939 mrsas_get_updated_dev_handle(sc, 940 &sc->load_balance_info[device_id], &io_info); 941 cmd->load_balance = MRSAS_LOAD_BALANCE_FLAG; 942 cmd->pd_r1_lb = io_info.pd_after_lb; 943 } else 944 cmd->load_balance = 0; 945 cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle; 946 io_request->DevHandle = io_info.devHandle; 947 } else { 948 /* Not FP IO */ 949 io_request->RaidContext.timeoutValue = map_ptr->raidMap.fpPdIoTimeoutSec; 950 cmd->request_desc->SCSIIO.RequestFlags = 951 (MRSAS_REQ_DESCRIPT_FLAGS_LD_IO << 952 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 953 if (sc->mrsas_gen3_ctrl) { 954 if (io_request->RaidContext.regLockFlags == REGION_TYPE_UNUSED) 955 cmd->request_desc->SCSIIO.RequestFlags = 956 (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK << 957 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 958 io_request->RaidContext.Type = MPI2_TYPE_CUDA; 959 io_request->RaidContext.regLockFlags |= 960 (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 | 961 MR_RL_FLAGS_SEQ_NUM_ENABLE); 962 io_request->RaidContext.nseg = 0x1; 963 } 964 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST; 965 io_request->DevHandle = device_id; 966 } 967 return (0); 968 } 969 970 /* 971 * mrsas_build_ldio_nonrw: Builds an LDIO command 972 * input: Adapter instance soft state 973 * Pointer to command packet 974 * Pointer to CCB 975 * 976 * This function builds the LDIO command packet. It returns 0 if the command is 977 * built successfully, otherwise it returns a 1. 978 */ 979 int 980 mrsas_build_ldio_nonrw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 981 union ccb *ccb) 982 { 983 struct ccb_hdr *ccb_h = &(ccb->ccb_h); 984 u_int32_t device_id, ld; 985 MR_DRV_RAID_MAP_ALL *map_ptr; 986 MR_LD_RAID *raid; 987 MRSAS_RAID_SCSI_IO_REQUEST *io_request; 988 989 io_request = cmd->io_request; 990 device_id = ccb_h->target_id; 991 992 map_ptr = sc->ld_drv_map[(sc->map_id & 1)]; 993 ld = MR_TargetIdToLdGet(device_id, map_ptr); 994 raid = MR_LdRaidGet(ld, map_ptr); 995 /* Store the TM capability value in cmd */ 996 cmd->tmCapable = raid->capability.tmCapable; 997 998 /* FW path for LD Non-RW (SCSI management commands) */ 999 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST; 1000 io_request->DevHandle = device_id; 1001 cmd->request_desc->SCSIIO.RequestFlags = 1002 (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << 1003 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1004 1005 io_request->RaidContext.VirtualDiskTgtId = device_id; 1006 io_request->LUN[1] = ccb_h->target_lun & 0xF; 1007 io_request->DataLength = cmd->length; 1008 1009 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) { 1010 if (cmd->sge_count > sc->max_num_sge) { 1011 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds" 1012 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge); 1013 return (1); 1014 } 1015 /* 1016 * numSGE store lower 8 bit of sge_count. numSGEExt store 1017 * higher 8 bit of sge_count 1018 */ 1019 io_request->RaidContext.numSGE = cmd->sge_count; 1020 io_request->RaidContext.numSGEExt = (uint8_t)(cmd->sge_count >> 8); 1021 } else { 1022 device_printf(sc->mrsas_dev, "Data map/load failed.\n"); 1023 return (1); 1024 } 1025 return (0); 1026 } 1027 1028 /* 1029 * mrsas_build_syspdio: Builds an DCDB command 1030 * input: Adapter instance soft state 1031 * Pointer to command packet 1032 * Pointer to CCB 1033 * 1034 * This function builds the DCDB inquiry command. It returns 0 if the command 1035 * is built successfully, otherwise it returns a 1. 1036 */ 1037 int 1038 mrsas_build_syspdio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 1039 union ccb *ccb, struct cam_sim *sim, u_int8_t fp_possible) 1040 { 1041 struct ccb_hdr *ccb_h = &(ccb->ccb_h); 1042 u_int32_t device_id; 1043 MR_DRV_RAID_MAP_ALL *local_map_ptr; 1044 MRSAS_RAID_SCSI_IO_REQUEST *io_request; 1045 struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; 1046 1047 io_request = cmd->io_request; 1048 device_id = ccb_h->target_id; 1049 local_map_ptr = sc->ld_drv_map[(sc->map_id & 1)]; 1050 io_request->RaidContext.RAIDFlags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD 1051 << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT; 1052 io_request->RaidContext.regLockFlags = 0; 1053 io_request->RaidContext.regLockRowLBA = 0; 1054 io_request->RaidContext.regLockLength = 0; 1055 1056 /* If FW supports PD sequence number */ 1057 if (sc->use_seqnum_jbod_fp && 1058 sc->pd_list[device_id].driveType == 0x00) { 1059 //printf("Using Drv seq num\n"); 1060 pd_sync = (void *)sc->jbodmap_mem[(sc->pd_seq_map_id - 1) & 1]; 1061 cmd->tmCapable = pd_sync->seq[device_id].capability.tmCapable; 1062 io_request->RaidContext.VirtualDiskTgtId = device_id + 255; 1063 io_request->RaidContext.configSeqNum = pd_sync->seq[device_id].seqNum; 1064 io_request->DevHandle = pd_sync->seq[device_id].devHandle; 1065 io_request->RaidContext.regLockFlags |= 1066 (MR_RL_FLAGS_SEQ_NUM_ENABLE | MR_RL_FLAGS_GRANT_DESTINATION_CUDA); 1067 io_request->RaidContext.Type = MPI2_TYPE_CUDA; 1068 io_request->RaidContext.nseg = 0x1; 1069 } else if (sc->fast_path_io) { 1070 //printf("Using LD RAID map\n"); 1071 io_request->RaidContext.VirtualDiskTgtId = device_id; 1072 io_request->RaidContext.configSeqNum = 0; 1073 local_map_ptr = sc->ld_drv_map[(sc->map_id & 1)]; 1074 io_request->DevHandle = 1075 local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl; 1076 } else { 1077 //printf("Using FW PATH\n"); 1078 /* Want to send all IO via FW path */ 1079 io_request->RaidContext.VirtualDiskTgtId = device_id; 1080 io_request->RaidContext.configSeqNum = 0; 1081 io_request->DevHandle = 0xFFFF; 1082 } 1083 1084 cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle; 1085 cmd->request_desc->SCSIIO.MSIxIndex = 1086 sc->msix_vectors ? smp_processor_id() % sc->msix_vectors : 0; 1087 1088 if (!fp_possible) { 1089 /* system pd firmware path */ 1090 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST; 1091 cmd->request_desc->SCSIIO.RequestFlags = 1092 (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << 1093 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1094 io_request->RaidContext.timeoutValue = 1095 local_map_ptr->raidMap.fpPdIoTimeoutSec; 1096 io_request->RaidContext.VirtualDiskTgtId = device_id; 1097 } else { 1098 /* system pd fast path */ 1099 io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; 1100 io_request->RaidContext.timeoutValue = local_map_ptr->raidMap.fpPdIoTimeoutSec; 1101 1102 /* 1103 * NOTE - For system pd RW cmds only IoFlags will be FAST_PATH 1104 * Because the NON RW cmds will now go via FW Queue 1105 * and not the Exception queue 1106 */ 1107 io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH; 1108 1109 cmd->request_desc->SCSIIO.RequestFlags = 1110 (MPI2_REQ_DESCRIPT_FLAGS_FP_IO << 1111 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1112 } 1113 1114 io_request->LUN[1] = ccb_h->target_lun & 0xF; 1115 io_request->DataLength = cmd->length; 1116 1117 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) { 1118 if (cmd->sge_count > sc->max_num_sge) { 1119 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds" 1120 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge); 1121 return (1); 1122 } 1123 /* 1124 * numSGE store lower 8 bit of sge_count. numSGEExt store 1125 * higher 8 bit of sge_count 1126 */ 1127 io_request->RaidContext.numSGE = cmd->sge_count; 1128 io_request->RaidContext.numSGEExt = (uint8_t)(cmd->sge_count >> 8); 1129 } else { 1130 device_printf(sc->mrsas_dev, "Data map/load failed.\n"); 1131 return (1); 1132 } 1133 return (0); 1134 } 1135 1136 /* 1137 * mrsas_map_request: Map and load data 1138 * input: Adapter instance soft state 1139 * Pointer to command packet 1140 * 1141 * For data from OS, map and load the data buffer into bus space. The SG list 1142 * is built in the callback. If the bus dmamap load is not successful, 1143 * cmd->error_code will contain the error code and a 1 is returned. 1144 */ 1145 int 1146 mrsas_map_request(struct mrsas_softc *sc, 1147 struct mrsas_mpt_cmd *cmd, union ccb *ccb) 1148 { 1149 u_int32_t retcode = 0; 1150 struct cam_sim *sim; 1151 1152 sim = xpt_path_sim(cmd->ccb_ptr->ccb_h.path); 1153 1154 if (cmd->data != NULL) { 1155 /* Map data buffer into bus space */ 1156 mtx_lock(&sc->io_lock); 1157 #if (__FreeBSD_version >= 902001) 1158 retcode = bus_dmamap_load_ccb(sc->data_tag, cmd->data_dmamap, ccb, 1159 mrsas_data_load_cb, cmd, 0); 1160 #else 1161 retcode = bus_dmamap_load(sc->data_tag, cmd->data_dmamap, cmd->data, 1162 cmd->length, mrsas_data_load_cb, cmd, BUS_DMA_NOWAIT); 1163 #endif 1164 mtx_unlock(&sc->io_lock); 1165 if (retcode) 1166 device_printf(sc->mrsas_dev, "bus_dmamap_load(): retcode = %d\n", retcode); 1167 if (retcode == EINPROGRESS) { 1168 device_printf(sc->mrsas_dev, "request load in progress\n"); 1169 mrsas_freeze_simq(cmd, sim); 1170 } 1171 } 1172 if (cmd->error_code) 1173 return (1); 1174 return (retcode); 1175 } 1176 1177 /* 1178 * mrsas_unmap_request: Unmap and unload data 1179 * input: Adapter instance soft state 1180 * Pointer to command packet 1181 * 1182 * This function unmaps and unloads data from OS. 1183 */ 1184 void 1185 mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd) 1186 { 1187 if (cmd->data != NULL) { 1188 if (cmd->flags & MRSAS_DIR_IN) 1189 bus_dmamap_sync(sc->data_tag, cmd->data_dmamap, BUS_DMASYNC_POSTREAD); 1190 if (cmd->flags & MRSAS_DIR_OUT) 1191 bus_dmamap_sync(sc->data_tag, cmd->data_dmamap, BUS_DMASYNC_POSTWRITE); 1192 mtx_lock(&sc->io_lock); 1193 bus_dmamap_unload(sc->data_tag, cmd->data_dmamap); 1194 mtx_unlock(&sc->io_lock); 1195 } 1196 } 1197 1198 /* 1199 * mrsas_data_load_cb: Callback entry point 1200 * input: Pointer to command packet as argument 1201 * Pointer to segment 1202 * Number of segments Error 1203 * 1204 * This is the callback function of the bus dma map load. It builds the SG 1205 * list. 1206 */ 1207 static void 1208 mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error) 1209 { 1210 struct mrsas_mpt_cmd *cmd = (struct mrsas_mpt_cmd *)arg; 1211 struct mrsas_softc *sc = cmd->sc; 1212 MRSAS_RAID_SCSI_IO_REQUEST *io_request; 1213 pMpi25IeeeSgeChain64_t sgl_ptr; 1214 int i = 0, sg_processed = 0; 1215 1216 if (error) { 1217 cmd->error_code = error; 1218 device_printf(sc->mrsas_dev, "mrsas_data_load_cb: error=%d\n", error); 1219 if (error == EFBIG) { 1220 cmd->ccb_ptr->ccb_h.status = CAM_REQ_TOO_BIG; 1221 return; 1222 } 1223 } 1224 if (cmd->flags & MRSAS_DIR_IN) 1225 bus_dmamap_sync(cmd->sc->data_tag, cmd->data_dmamap, 1226 BUS_DMASYNC_PREREAD); 1227 if (cmd->flags & MRSAS_DIR_OUT) 1228 bus_dmamap_sync(cmd->sc->data_tag, cmd->data_dmamap, 1229 BUS_DMASYNC_PREWRITE); 1230 if (nseg > sc->max_num_sge) { 1231 device_printf(sc->mrsas_dev, "SGE count is too large or 0.\n"); 1232 return; 1233 } 1234 io_request = cmd->io_request; 1235 sgl_ptr = (pMpi25IeeeSgeChain64_t)&io_request->SGL; 1236 1237 if (sc->mrsas_gen3_ctrl) { 1238 pMpi25IeeeSgeChain64_t sgl_ptr_end = sgl_ptr; 1239 1240 sgl_ptr_end += sc->max_sge_in_main_msg - 1; 1241 sgl_ptr_end->Flags = 0; 1242 } 1243 if (nseg != 0) { 1244 for (i = 0; i < nseg; i++) { 1245 sgl_ptr->Address = segs[i].ds_addr; 1246 sgl_ptr->Length = segs[i].ds_len; 1247 sgl_ptr->Flags = 0; 1248 if (sc->mrsas_gen3_ctrl) { 1249 if (i == nseg - 1) 1250 sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST; 1251 } 1252 sgl_ptr++; 1253 sg_processed = i + 1; 1254 if ((sg_processed == (sc->max_sge_in_main_msg - 1)) && 1255 (nseg > sc->max_sge_in_main_msg)) { 1256 pMpi25IeeeSgeChain64_t sg_chain; 1257 1258 if (sc->mrsas_gen3_ctrl) { 1259 if ((cmd->io_request->IoFlags & MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) 1260 != MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) 1261 cmd->io_request->ChainOffset = sc->chain_offset_io_request; 1262 else 1263 cmd->io_request->ChainOffset = 0; 1264 } else 1265 cmd->io_request->ChainOffset = sc->chain_offset_io_request; 1266 sg_chain = sgl_ptr; 1267 if (sc->mrsas_gen3_ctrl) 1268 sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT; 1269 else 1270 sg_chain->Flags = (IEEE_SGE_FLAGS_CHAIN_ELEMENT | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR); 1271 sg_chain->Length = (sizeof(MPI2_SGE_IO_UNION) * (nseg - sg_processed)); 1272 sg_chain->Address = cmd->chain_frame_phys_addr; 1273 sgl_ptr = (pMpi25IeeeSgeChain64_t)cmd->chain_frame; 1274 } 1275 } 1276 } 1277 cmd->sge_count = nseg; 1278 } 1279 1280 /* 1281 * mrsas_freeze_simq: Freeze SIM queue 1282 * input: Pointer to command packet 1283 * Pointer to SIM 1284 * 1285 * This function freezes the sim queue. 1286 */ 1287 static void 1288 mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim) 1289 { 1290 union ccb *ccb = (union ccb *)(cmd->ccb_ptr); 1291 1292 xpt_freeze_simq(sim, 1); 1293 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 1294 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1295 } 1296 1297 void 1298 mrsas_xpt_freeze(struct mrsas_softc *sc) 1299 { 1300 xpt_freeze_simq(sc->sim_0, 1); 1301 xpt_freeze_simq(sc->sim_1, 1); 1302 } 1303 1304 void 1305 mrsas_xpt_release(struct mrsas_softc *sc) 1306 { 1307 xpt_release_simq(sc->sim_0, 1); 1308 xpt_release_simq(sc->sim_1, 1); 1309 } 1310 1311 /* 1312 * mrsas_cmd_done: Perform remaining command completion 1313 * input: Adapter instance soft state Pointer to command packet 1314 * 1315 * This function calls ummap request and releases the MPT command. 1316 */ 1317 void 1318 mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd) 1319 { 1320 mrsas_unmap_request(sc, cmd); 1321 1322 mtx_lock(&sc->sim_lock); 1323 callout_stop(&cmd->cm_callout); 1324 xpt_done(cmd->ccb_ptr); 1325 cmd->ccb_ptr = NULL; 1326 mtx_unlock(&sc->sim_lock); 1327 mrsas_release_mpt_cmd(cmd); 1328 } 1329 1330 /* 1331 * mrsas_cam_poll: Polling entry point 1332 * input: Pointer to SIM 1333 * 1334 * This is currently a stub function. 1335 */ 1336 static void 1337 mrsas_cam_poll(struct cam_sim *sim) 1338 { 1339 int i; 1340 struct mrsas_softc *sc = (struct mrsas_softc *)cam_sim_softc(sim); 1341 1342 if (sc->msix_vectors != 0){ 1343 for (i=0; i<sc->msix_vectors; i++){ 1344 mrsas_complete_cmd(sc, i); 1345 } 1346 } else { 1347 mrsas_complete_cmd(sc, 0); 1348 } 1349 } 1350 1351 /* 1352 * mrsas_bus_scan: Perform bus scan 1353 * input: Adapter instance soft state 1354 * 1355 * This mrsas_bus_scan function is needed for FreeBSD 7.x. Also, it should not 1356 * be called in FreeBSD 8.x and later versions, where the bus scan is 1357 * automatic. 1358 */ 1359 int 1360 mrsas_bus_scan(struct mrsas_softc *sc) 1361 { 1362 union ccb *ccb_0; 1363 union ccb *ccb_1; 1364 1365 if ((ccb_0 = xpt_alloc_ccb()) == NULL) { 1366 return (ENOMEM); 1367 } 1368 if ((ccb_1 = xpt_alloc_ccb()) == NULL) { 1369 xpt_free_ccb(ccb_0); 1370 return (ENOMEM); 1371 } 1372 mtx_lock(&sc->sim_lock); 1373 if (xpt_create_path(&ccb_0->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_0), 1374 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1375 xpt_free_ccb(ccb_0); 1376 xpt_free_ccb(ccb_1); 1377 mtx_unlock(&sc->sim_lock); 1378 return (EIO); 1379 } 1380 if (xpt_create_path(&ccb_1->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_1), 1381 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1382 xpt_free_ccb(ccb_0); 1383 xpt_free_ccb(ccb_1); 1384 mtx_unlock(&sc->sim_lock); 1385 return (EIO); 1386 } 1387 mtx_unlock(&sc->sim_lock); 1388 xpt_rescan(ccb_0); 1389 xpt_rescan(ccb_1); 1390 1391 return (0); 1392 } 1393 1394 /* 1395 * mrsas_bus_scan_sim: Perform bus scan per SIM 1396 * input: adapter instance soft state 1397 * 1398 * This function will be called from Event handler on LD creation/deletion, 1399 * JBOD on/off. 1400 */ 1401 int 1402 mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim) 1403 { 1404 union ccb *ccb; 1405 1406 if ((ccb = xpt_alloc_ccb()) == NULL) { 1407 return (ENOMEM); 1408 } 1409 mtx_lock(&sc->sim_lock); 1410 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, cam_sim_path(sim), 1411 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1412 xpt_free_ccb(ccb); 1413 mtx_unlock(&sc->sim_lock); 1414 return (EIO); 1415 } 1416 mtx_unlock(&sc->sim_lock); 1417 xpt_rescan(ccb); 1418 1419 return (0); 1420 } 1421 1422 /* 1423 * mrsas_track_scsiio: Track IOs for a given target in the mpt_cmd_list 1424 * input: Adapter instance soft state 1425 * Target ID of target 1426 * Bus ID of the target 1427 * 1428 * This function checks for any pending IO in the whole mpt_cmd_list pool 1429 * with the bus_id and target_id passed in arguments. If some IO is found 1430 * that means target reset is not successfully completed. 1431 * 1432 * Returns FAIL if IOs pending to the target device, else return SUCCESS 1433 */ 1434 static int 1435 mrsas_track_scsiio(struct mrsas_softc *sc, target_id_t tgt_id, u_int32_t bus_id) 1436 { 1437 int i; 1438 struct mrsas_mpt_cmd *mpt_cmd = NULL; 1439 1440 for (i = 0 ; i < sc->max_fw_cmds; i++) { 1441 mpt_cmd = sc->mpt_cmd_list[i]; 1442 1443 /* 1444 * Check if the target_id and bus_id is same as the timeout IO 1445 */ 1446 if (mpt_cmd->ccb_ptr) { 1447 /* bus_id = 1 denotes a VD */ 1448 if (bus_id == 1) 1449 tgt_id = (mpt_cmd->ccb_ptr->ccb_h.target_id - (MRSAS_MAX_PD - 1)); 1450 1451 if (mpt_cmd->ccb_ptr->cpi.bus_id == bus_id && 1452 mpt_cmd->ccb_ptr->ccb_h.target_id == tgt_id) { 1453 device_printf(sc->mrsas_dev, 1454 "IO commands pending to target id %d\n", tgt_id); 1455 return FAIL; 1456 } 1457 } 1458 } 1459 1460 return SUCCESS; 1461 } 1462 1463 #if TM_DEBUG 1464 /* 1465 * mrsas_tm_response_code: Prints TM response code received from FW 1466 * input: Adapter instance soft state 1467 * MPI reply returned from firmware 1468 * 1469 * Returns nothing. 1470 */ 1471 static void 1472 mrsas_tm_response_code(struct mrsas_softc *sc, 1473 MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply) 1474 { 1475 char *desc; 1476 1477 switch (mpi_reply->ResponseCode) { 1478 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: 1479 desc = "task management request completed"; 1480 break; 1481 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: 1482 desc = "invalid frame"; 1483 break; 1484 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: 1485 desc = "task management request not supported"; 1486 break; 1487 case MPI2_SCSITASKMGMT_RSP_TM_FAILED: 1488 desc = "task management request failed"; 1489 break; 1490 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: 1491 desc = "task management request succeeded"; 1492 break; 1493 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: 1494 desc = "invalid lun"; 1495 break; 1496 case 0xA: 1497 desc = "overlapped tag attempted"; 1498 break; 1499 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: 1500 desc = "task queued, however not sent to target"; 1501 break; 1502 default: 1503 desc = "unknown"; 1504 break; 1505 } 1506 device_printf(sc->mrsas_dev, "response_code(%01x): %s\n", 1507 mpi_reply->ResponseCode, desc); 1508 device_printf(sc->mrsas_dev, 1509 "TerminationCount/DevHandle/Function/TaskType/IOCStat/IOCLoginfo\n" 1510 "0x%x/0x%x/0x%x/0x%x/0x%x/0x%x\n", 1511 mpi_reply->TerminationCount, mpi_reply->DevHandle, 1512 mpi_reply->Function, mpi_reply->TaskType, 1513 mpi_reply->IOCStatus, mpi_reply->IOCLogInfo); 1514 } 1515 #endif 1516 1517 /* 1518 * mrsas_issue_tm: Fires the TM command to FW and waits for completion 1519 * input: Adapter instance soft state 1520 * reqest descriptor compiled by mrsas_reset_targets 1521 * 1522 * Returns FAIL if TM command TIMEDOUT from FW else SUCCESS. 1523 */ 1524 static int 1525 mrsas_issue_tm(struct mrsas_softc *sc, 1526 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc) 1527 { 1528 int sleep_stat; 1529 1530 mrsas_fire_cmd(sc, req_desc->addr.u.low, req_desc->addr.u.high); 1531 sleep_stat = msleep(&sc->ocr_chan, &sc->sim_lock, PRIBIO, "tm_sleep", 50*hz); 1532 1533 if (sleep_stat == EWOULDBLOCK) { 1534 device_printf(sc->mrsas_dev, "tm cmd TIMEDOUT\n"); 1535 return FAIL; 1536 } 1537 1538 return SUCCESS; 1539 } 1540 1541 /* 1542 * mrsas_reset_targets : Gathers info to fire a target reset command 1543 * input: Adapter instance soft state 1544 * 1545 * This function compiles data for a target reset command to be fired to the FW 1546 * and then traverse the target_reset_pool to see targets with TIMEDOUT IOs. 1547 * 1548 * Returns SUCCESS or FAIL 1549 */ 1550 int mrsas_reset_targets(struct mrsas_softc *sc) 1551 { 1552 struct mrsas_mpt_cmd *tm_mpt_cmd = NULL; 1553 struct mrsas_mpt_cmd *tgt_mpt_cmd = NULL; 1554 MR_TASK_MANAGE_REQUEST *mr_request; 1555 MPI2_SCSI_TASK_MANAGE_REQUEST *tm_mpi_request; 1556 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc; 1557 int retCode = FAIL, count, i, outstanding; 1558 u_int32_t MSIxIndex, bus_id; 1559 target_id_t tgt_id; 1560 #if TM_DEBUG 1561 MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply; 1562 #endif 1563 1564 outstanding = mrsas_atomic_read(&sc->fw_outstanding); 1565 1566 if (!outstanding) { 1567 device_printf(sc->mrsas_dev, "NO IOs pending...\n"); 1568 mrsas_atomic_set(&sc->target_reset_outstanding, 0); 1569 retCode = SUCCESS; 1570 goto return_status; 1571 } else if (sc->adprecovery != MRSAS_HBA_OPERATIONAL) { 1572 device_printf(sc->mrsas_dev, "Controller is not operational\n"); 1573 goto return_status; 1574 } else { 1575 /* Some more error checks will be added in future */ 1576 } 1577 1578 /* Get an mpt frame and an index to fire the TM cmd */ 1579 tm_mpt_cmd = mrsas_get_mpt_cmd(sc); 1580 if (!tm_mpt_cmd) { 1581 retCode = FAIL; 1582 goto return_status; 1583 } 1584 1585 req_desc = mrsas_get_request_desc(sc, (tm_mpt_cmd->index) - 1); 1586 if (!req_desc) { 1587 device_printf(sc->mrsas_dev, "Cannot get request_descriptor for tm.\n"); 1588 retCode = FAIL; 1589 goto release_mpt; 1590 } 1591 memset(req_desc, 0, sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION)); 1592 1593 req_desc->HighPriority.SMID = tm_mpt_cmd->index; 1594 req_desc->HighPriority.RequestFlags = 1595 (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY << 1596 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1597 req_desc->HighPriority.MSIxIndex = 0; 1598 req_desc->HighPriority.LMID = 0; 1599 req_desc->HighPriority.Reserved1 = 0; 1600 tm_mpt_cmd->request_desc = req_desc; 1601 1602 mr_request = (MR_TASK_MANAGE_REQUEST *) tm_mpt_cmd->io_request; 1603 memset(mr_request, 0, sizeof(MR_TASK_MANAGE_REQUEST)); 1604 1605 tm_mpi_request = (MPI2_SCSI_TASK_MANAGE_REQUEST *) &mr_request->TmRequest; 1606 tm_mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; 1607 tm_mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; 1608 tm_mpi_request->TaskMID = 0; /* smid task */ 1609 tm_mpi_request->LUN[1] = 0; 1610 1611 /* Traverse the tm_mpt pool to get valid entries */ 1612 for (i = 0 ; i < MRSAS_MAX_TM_TARGETS; i++) { 1613 if(!sc->target_reset_pool[i]) { 1614 continue; 1615 } else { 1616 tgt_mpt_cmd = sc->target_reset_pool[i]; 1617 } 1618 1619 tgt_id = i; 1620 1621 /* See if the target is tm capable or NOT */ 1622 if (!tgt_mpt_cmd->tmCapable) { 1623 device_printf(sc->mrsas_dev, "Task management NOT SUPPORTED for " 1624 "CAM target:%d\n", tgt_id); 1625 1626 retCode = FAIL; 1627 goto release_mpt; 1628 } 1629 1630 tm_mpi_request->DevHandle = tgt_mpt_cmd->io_request->DevHandle; 1631 1632 if (i < (MRSAS_MAX_PD - 1)) { 1633 mr_request->uTmReqReply.tmReqFlags.isTMForPD = 1; 1634 bus_id = 0; 1635 } else { 1636 mr_request->uTmReqReply.tmReqFlags.isTMForLD = 1; 1637 bus_id = 1; 1638 } 1639 1640 device_printf(sc->mrsas_dev, "TM will be fired for " 1641 "CAM target:%d and bus_id %d\n", tgt_id, bus_id); 1642 1643 sc->ocr_chan = (void *)&tm_mpt_cmd; 1644 retCode = mrsas_issue_tm(sc, req_desc); 1645 if (retCode == FAIL) 1646 goto release_mpt; 1647 1648 #if TM_DEBUG 1649 mpi_reply = 1650 (MPI2_SCSI_TASK_MANAGE_REPLY *) &mr_request->uTmReqReply.TMReply; 1651 mrsas_tm_response_code(sc, mpi_reply); 1652 #endif 1653 mrsas_atomic_dec(&sc->target_reset_outstanding); 1654 sc->target_reset_pool[i] = NULL; 1655 1656 /* Check for pending cmds in the mpt_cmd_pool with the tgt_id */ 1657 mrsas_disable_intr(sc); 1658 /* Wait for 1 second to complete parallel ISR calling same 1659 * mrsas_complete_cmd() 1660 */ 1661 msleep(&sc->ocr_chan, &sc->sim_lock, PRIBIO, "mrsas_reset_wakeup", 1662 1 * hz); 1663 count = sc->msix_vectors > 0 ? sc->msix_vectors : 1; 1664 mtx_unlock(&sc->sim_lock); 1665 for (MSIxIndex = 0; MSIxIndex < count; MSIxIndex++) 1666 mrsas_complete_cmd(sc, MSIxIndex); 1667 mtx_lock(&sc->sim_lock); 1668 retCode = mrsas_track_scsiio(sc, tgt_id, bus_id); 1669 mrsas_enable_intr(sc); 1670 1671 if (retCode == FAIL) 1672 goto release_mpt; 1673 } 1674 1675 device_printf(sc->mrsas_dev, "Number of targets outstanding " 1676 "after reset: %d\n", mrsas_atomic_read(&sc->target_reset_outstanding)); 1677 1678 release_mpt: 1679 mrsas_release_mpt_cmd(tm_mpt_cmd); 1680 return_status: 1681 device_printf(sc->mrsas_dev, "target reset %s!!\n", 1682 (retCode == SUCCESS) ? "SUCCESS" : "FAIL"); 1683 1684 return retCode; 1685 } 1686 1687