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 #include <sys/time.h> /* XXX for pcpu.h */ 52 #include <sys/pcpu.h> /* XXX for PCPU_GET */ 53 54 #define smp_processor_id() PCPU_GET(cpuid) 55 56 /* 57 * Function prototypes 58 */ 59 int mrsas_cam_attach(struct mrsas_softc *sc); 60 int mrsas_find_io_type(struct cam_sim *sim, union ccb *ccb); 61 int mrsas_bus_scan(struct mrsas_softc *sc); 62 int mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim); 63 int 64 mrsas_map_request(struct mrsas_softc *sc, 65 struct mrsas_mpt_cmd *cmd, union ccb *ccb); 66 int 67 mrsas_build_ldio_rw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 68 union ccb *ccb); 69 int 70 mrsas_build_ldio_nonrw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 71 union ccb *ccb); 72 int 73 mrsas_build_syspdio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 74 union ccb *ccb, struct cam_sim *sim, u_int8_t fp_possible); 75 int 76 mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 77 union ccb *ccb, u_int32_t device_id, 78 MRSAS_RAID_SCSI_IO_REQUEST * io_request); 79 void mrsas_xpt_freeze(struct mrsas_softc *sc); 80 void mrsas_xpt_release(struct mrsas_softc *sc); 81 void mrsas_cam_detach(struct mrsas_softc *sc); 82 void mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd); 83 void mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd); 84 void mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd); 85 void 86 mrsas_fire_cmd(struct mrsas_softc *sc, u_int32_t req_desc_lo, 87 u_int32_t req_desc_hi); 88 void 89 mrsas_set_pd_lba(MRSAS_RAID_SCSI_IO_REQUEST * io_request, 90 u_int8_t cdb_len, struct IO_REQUEST_INFO *io_info, union ccb *ccb, 91 MR_DRV_RAID_MAP_ALL * local_map_ptr, u_int32_t ref_tag, 92 u_int32_t ld_block_size); 93 static void mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim); 94 static void mrsas_cam_poll(struct cam_sim *sim); 95 static void mrsas_action(struct cam_sim *sim, union ccb *ccb); 96 static void mrsas_scsiio_timeout(void *data); 97 static int mrsas_track_scsiio(struct mrsas_softc *sc, target_id_t id, u_int32_t bus_id); 98 static void mrsas_tm_response_code(struct mrsas_softc *sc, 99 MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply); 100 static int mrsas_issue_tm(struct mrsas_softc *sc, 101 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc); 102 static void 103 mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs, 104 int nseg, int error); 105 static int32_t 106 mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim, 107 union ccb *ccb); 108 109 static boolean_t mrsas_is_prp_possible(struct mrsas_mpt_cmd *cmd, 110 bus_dma_segment_t *segs, int nsegs); 111 static void mrsas_build_ieee_sgl(struct mrsas_mpt_cmd *cmd, 112 bus_dma_segment_t *segs, int nseg); 113 static void mrsas_build_prp_nvme(struct mrsas_mpt_cmd *cmd, 114 bus_dma_segment_t *segs, int nseg); 115 116 struct mrsas_mpt_cmd *mrsas_get_mpt_cmd(struct mrsas_softc *sc); 117 MRSAS_REQUEST_DESCRIPTOR_UNION * 118 mrsas_get_request_desc(struct mrsas_softc *sc, u_int16_t index); 119 120 extern int mrsas_reset_targets(struct mrsas_softc *sc); 121 extern u_int16_t MR_TargetIdToLdGet(u_int32_t ldTgtId, MR_DRV_RAID_MAP_ALL * map); 122 extern u_int32_t 123 MR_LdBlockSizeGet(u_int32_t ldTgtId, MR_DRV_RAID_MAP_ALL * map); 124 extern void mrsas_isr(void *arg); 125 extern void mrsas_aen_handler(struct mrsas_softc *sc); 126 extern u_int8_t 127 MR_BuildRaidContext(struct mrsas_softc *sc, 128 struct IO_REQUEST_INFO *io_info, RAID_CONTEXT * pRAID_Context, 129 MR_DRV_RAID_MAP_ALL * map); 130 extern u_int16_t 131 MR_LdSpanArrayGet(u_int32_t ld, u_int32_t span, 132 MR_DRV_RAID_MAP_ALL * map); 133 extern u_int16_t 134 mrsas_get_updated_dev_handle(struct mrsas_softc *sc, 135 PLD_LOAD_BALANCE_INFO lbInfo, struct IO_REQUEST_INFO *io_info); 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 void mrsas_prepare_secondRaid1_IO(struct mrsas_softc *sc, 141 struct mrsas_mpt_cmd *cmd); 142 143 /* 144 * mrsas_cam_attach: Main entry to CAM subsystem 145 * input: Adapter instance soft state 146 * 147 * This function is called from mrsas_attach() during initialization to perform 148 * SIM allocations and XPT bus registration. If the kernel version is 7.4 or 149 * earlier, it would also initiate a bus scan. 150 */ 151 int 152 mrsas_cam_attach(struct mrsas_softc *sc) 153 { 154 struct cam_devq *devq; 155 int mrsas_cam_depth; 156 157 mrsas_cam_depth = sc->max_scsi_cmds; 158 159 if ((devq = cam_simq_alloc(mrsas_cam_depth)) == NULL) { 160 device_printf(sc->mrsas_dev, "Cannot allocate SIM queue\n"); 161 return (ENOMEM); 162 } 163 /* 164 * Create SIM for bus 0 and register, also create path 165 */ 166 sc->sim_0 = cam_sim_alloc(mrsas_action, mrsas_cam_poll, "mrsas", sc, 167 device_get_unit(sc->mrsas_dev), &sc->sim_lock, mrsas_cam_depth, 168 mrsas_cam_depth, devq); 169 if (sc->sim_0 == NULL) { 170 cam_simq_free(devq); 171 device_printf(sc->mrsas_dev, "Cannot register SIM\n"); 172 return (ENXIO); 173 } 174 /* Initialize taskqueue for Event Handling */ 175 TASK_INIT(&sc->ev_task, 0, (void *)mrsas_aen_handler, sc); 176 sc->ev_tq = taskqueue_create("mrsas_taskq", M_NOWAIT | M_ZERO, 177 taskqueue_thread_enqueue, &sc->ev_tq); 178 179 /* Run the task queue with lowest priority */ 180 taskqueue_start_threads(&sc->ev_tq, 1, 255, "%s taskq", 181 device_get_nameunit(sc->mrsas_dev)); 182 mtx_lock(&sc->sim_lock); 183 if (xpt_bus_register(sc->sim_0, sc->mrsas_dev, 0) != CAM_SUCCESS) { 184 cam_sim_free(sc->sim_0, TRUE); /* passing true frees the devq */ 185 mtx_unlock(&sc->sim_lock); 186 return (ENXIO); 187 } 188 if (xpt_create_path(&sc->path_0, NULL, cam_sim_path(sc->sim_0), 189 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 190 xpt_bus_deregister(cam_sim_path(sc->sim_0)); 191 cam_sim_free(sc->sim_0, TRUE); /* passing true will free the 192 * devq */ 193 mtx_unlock(&sc->sim_lock); 194 return (ENXIO); 195 } 196 mtx_unlock(&sc->sim_lock); 197 198 /* 199 * Create SIM for bus 1 and register, also create path 200 */ 201 sc->sim_1 = cam_sim_alloc(mrsas_action, mrsas_cam_poll, "mrsas", sc, 202 device_get_unit(sc->mrsas_dev), &sc->sim_lock, mrsas_cam_depth, 203 mrsas_cam_depth, devq); 204 if (sc->sim_1 == NULL) { 205 cam_simq_free(devq); 206 device_printf(sc->mrsas_dev, "Cannot register SIM\n"); 207 return (ENXIO); 208 } 209 mtx_lock(&sc->sim_lock); 210 if (xpt_bus_register(sc->sim_1, sc->mrsas_dev, 1) != CAM_SUCCESS) { 211 cam_sim_free(sc->sim_1, TRUE); /* passing true frees the devq */ 212 mtx_unlock(&sc->sim_lock); 213 return (ENXIO); 214 } 215 if (xpt_create_path(&sc->path_1, NULL, cam_sim_path(sc->sim_1), 216 CAM_TARGET_WILDCARD, 217 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 218 xpt_bus_deregister(cam_sim_path(sc->sim_1)); 219 cam_sim_free(sc->sim_1, TRUE); 220 mtx_unlock(&sc->sim_lock); 221 return (ENXIO); 222 } 223 mtx_unlock(&sc->sim_lock); 224 225 #if (__FreeBSD_version <= 704000) 226 if (mrsas_bus_scan(sc)) { 227 device_printf(sc->mrsas_dev, "Error in bus scan.\n"); 228 return (1); 229 } 230 #endif 231 return (0); 232 } 233 234 /* 235 * mrsas_cam_detach: De-allocates and teardown CAM 236 * input: Adapter instance soft state 237 * 238 * De-registers and frees the paths and SIMs. 239 */ 240 void 241 mrsas_cam_detach(struct mrsas_softc *sc) 242 { 243 if (sc->ev_tq != NULL) 244 taskqueue_free(sc->ev_tq); 245 mtx_lock(&sc->sim_lock); 246 if (sc->path_0) 247 xpt_free_path(sc->path_0); 248 if (sc->sim_0) { 249 xpt_bus_deregister(cam_sim_path(sc->sim_0)); 250 cam_sim_free(sc->sim_0, FALSE); 251 } 252 if (sc->path_1) 253 xpt_free_path(sc->path_1); 254 if (sc->sim_1) { 255 xpt_bus_deregister(cam_sim_path(sc->sim_1)); 256 cam_sim_free(sc->sim_1, TRUE); 257 } 258 mtx_unlock(&sc->sim_lock); 259 } 260 261 /* 262 * mrsas_action: SIM callback entry point 263 * input: pointer to SIM pointer to CAM Control Block 264 * 265 * This function processes CAM subsystem requests. The type of request is stored 266 * in ccb->ccb_h.func_code. The preprocessor #ifdef is necessary because 267 * ccb->cpi.maxio is not supported for FreeBSD version 7.4 or earlier. 268 */ 269 static void 270 mrsas_action(struct cam_sim *sim, union ccb *ccb) 271 { 272 struct mrsas_softc *sc = (struct mrsas_softc *)cam_sim_softc(sim); 273 struct ccb_hdr *ccb_h = &(ccb->ccb_h); 274 u_int32_t device_id; 275 276 /* 277 * Check if the system going down 278 * or the adapter is in unrecoverable critical error 279 */ 280 if (sc->remove_in_progress || 281 (sc->adprecovery == MRSAS_HW_CRITICAL_ERROR)) { 282 ccb->ccb_h.status |= CAM_DEV_NOT_THERE; 283 xpt_done(ccb); 284 return; 285 } 286 287 switch (ccb->ccb_h.func_code) { 288 case XPT_SCSI_IO: 289 { 290 device_id = ccb_h->target_id; 291 292 /* 293 * bus 0 is LD, bus 1 is for system-PD 294 */ 295 if (cam_sim_bus(sim) == 1 && 296 sc->pd_list[device_id].driveState != MR_PD_STATE_SYSTEM) { 297 ccb->ccb_h.status |= CAM_DEV_NOT_THERE; 298 xpt_done(ccb); 299 } else { 300 if (mrsas_startio(sc, sim, ccb)) { 301 ccb->ccb_h.status |= CAM_REQ_INVALID; 302 xpt_done(ccb); 303 } 304 } 305 break; 306 } 307 case XPT_ABORT: 308 { 309 ccb->ccb_h.status = CAM_UA_ABORT; 310 xpt_done(ccb); 311 break; 312 } 313 case XPT_RESET_BUS: 314 { 315 xpt_done(ccb); 316 break; 317 } 318 case XPT_GET_TRAN_SETTINGS: 319 { 320 ccb->cts.protocol = PROTO_SCSI; 321 ccb->cts.protocol_version = SCSI_REV_2; 322 ccb->cts.transport = XPORT_SPI; 323 ccb->cts.transport_version = 2; 324 ccb->cts.xport_specific.spi.valid = CTS_SPI_VALID_DISC; 325 ccb->cts.xport_specific.spi.flags = CTS_SPI_FLAGS_DISC_ENB; 326 ccb->cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ; 327 ccb->cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB; 328 ccb->ccb_h.status = CAM_REQ_CMP; 329 xpt_done(ccb); 330 break; 331 } 332 case XPT_SET_TRAN_SETTINGS: 333 { 334 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 335 xpt_done(ccb); 336 break; 337 } 338 case XPT_CALC_GEOMETRY: 339 { 340 cam_calc_geometry(&ccb->ccg, 1); 341 xpt_done(ccb); 342 break; 343 } 344 case XPT_PATH_INQ: 345 { 346 ccb->cpi.version_num = 1; 347 ccb->cpi.hba_inquiry = 0; 348 ccb->cpi.target_sprt = 0; 349 #if (__FreeBSD_version >= 902001) 350 ccb->cpi.hba_misc = PIM_UNMAPPED; 351 #else 352 ccb->cpi.hba_misc = 0; 353 #endif 354 ccb->cpi.hba_eng_cnt = 0; 355 ccb->cpi.max_lun = MRSAS_SCSI_MAX_LUNS; 356 ccb->cpi.unit_number = cam_sim_unit(sim); 357 ccb->cpi.bus_id = cam_sim_bus(sim); 358 ccb->cpi.initiator_id = MRSAS_SCSI_INITIATOR_ID; 359 ccb->cpi.base_transfer_speed = 150000; 360 strlcpy(ccb->cpi.sim_vid, "FreeBSD", SIM_IDLEN); 361 strlcpy(ccb->cpi.hba_vid, "AVAGO", HBA_IDLEN); 362 strlcpy(ccb->cpi.dev_name, cam_sim_name(sim), DEV_IDLEN); 363 ccb->cpi.transport = XPORT_SPI; 364 ccb->cpi.transport_version = 2; 365 ccb->cpi.protocol = PROTO_SCSI; 366 ccb->cpi.protocol_version = SCSI_REV_2; 367 if (ccb->cpi.bus_id == 0) 368 ccb->cpi.max_target = MRSAS_MAX_PD - 1; 369 else 370 ccb->cpi.max_target = MRSAS_MAX_LD_IDS - 1; 371 #if (__FreeBSD_version > 704000) 372 ccb->cpi.maxio = sc->max_num_sge * MRSAS_PAGE_SIZE; 373 #endif 374 ccb->ccb_h.status = CAM_REQ_CMP; 375 xpt_done(ccb); 376 break; 377 } 378 default: 379 { 380 ccb->ccb_h.status = CAM_REQ_INVALID; 381 xpt_done(ccb); 382 break; 383 } 384 } 385 } 386 387 /* 388 * mrsas_scsiio_timeout: Callback function for IO timed out 389 * input: mpt command context 390 * 391 * This function will execute after timeout value provided by ccb header from 392 * CAM layer, if timer expires. Driver will run timer for all DCDM and LDIO 393 * coming from CAM layer. This function is callback function for IO timeout 394 * and it runs in no-sleep context. Set do_timedout_reset in Adapter context 395 * so that it will execute OCR/Kill adpter from ocr_thread context. 396 */ 397 static void 398 mrsas_scsiio_timeout(void *data) 399 { 400 struct mrsas_mpt_cmd *cmd; 401 struct mrsas_softc *sc; 402 u_int32_t target_id; 403 404 if (!data) 405 return; 406 407 cmd = (struct mrsas_mpt_cmd *)data; 408 sc = cmd->sc; 409 410 if (cmd->ccb_ptr == NULL) { 411 printf("command timeout with NULL ccb\n"); 412 return; 413 } 414 415 /* 416 * Below callout is dummy entry so that it will be cancelled from 417 * mrsas_cmd_done(). Now Controller will go to OCR/Kill Adapter based 418 * on OCR enable/disable property of Controller from ocr_thread 419 * context. 420 */ 421 #if (__FreeBSD_version >= 1000510) 422 callout_reset_sbt(&cmd->cm_callout, SBT_1S * 180, 0, 423 mrsas_scsiio_timeout, cmd, 0); 424 #else 425 callout_reset(&cmd->cm_callout, (180000 * hz) / 1000, 426 mrsas_scsiio_timeout, cmd); 427 #endif 428 429 if (cmd->ccb_ptr->cpi.bus_id == 0) 430 target_id = cmd->ccb_ptr->ccb_h.target_id; 431 else 432 target_id = (cmd->ccb_ptr->ccb_h.target_id + (MRSAS_MAX_PD - 1)); 433 434 /* Save the cmd to be processed for TM, if it is not there in the array */ 435 if (sc->target_reset_pool[target_id] == NULL) { 436 sc->target_reset_pool[target_id] = cmd; 437 mrsas_atomic_inc(&sc->target_reset_outstanding); 438 } 439 440 return; 441 } 442 443 /* 444 * mrsas_startio: SCSI IO entry point 445 * input: Adapter instance soft state 446 * pointer to CAM Control Block 447 * 448 * This function is the SCSI IO entry point and it initiates IO processing. It 449 * copies the IO and depending if the IO is read/write or inquiry, it would 450 * call mrsas_build_ldio() or mrsas_build_dcdb(), respectively. It returns 0 451 * if the command is sent to firmware successfully, otherwise it returns 1. 452 */ 453 static int32_t 454 mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim, 455 union ccb *ccb) 456 { 457 struct mrsas_mpt_cmd *cmd, *r1_cmd = NULL; 458 struct ccb_hdr *ccb_h = &(ccb->ccb_h); 459 struct ccb_scsiio *csio = &(ccb->csio); 460 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc; 461 u_int8_t cmd_type; 462 463 if ((csio->cdb_io.cdb_bytes[0]) == SYNCHRONIZE_CACHE && 464 (!sc->fw_sync_cache_support)) { 465 ccb->ccb_h.status = CAM_REQ_CMP; 466 xpt_done(ccb); 467 return (0); 468 } 469 ccb_h->status |= CAM_SIM_QUEUED; 470 471 if (mrsas_atomic_inc_return(&sc->fw_outstanding) > sc->max_scsi_cmds) { 472 ccb_h->status |= CAM_REQUEUE_REQ; 473 xpt_done(ccb); 474 mrsas_atomic_dec(&sc->fw_outstanding); 475 return (0); 476 } 477 478 cmd = mrsas_get_mpt_cmd(sc); 479 480 if (!cmd) { 481 ccb_h->status |= CAM_REQUEUE_REQ; 482 xpt_done(ccb); 483 mrsas_atomic_dec(&sc->fw_outstanding); 484 return (0); 485 } 486 487 if ((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 488 if (ccb_h->flags & CAM_DIR_IN) 489 cmd->flags |= MRSAS_DIR_IN; 490 if (ccb_h->flags & CAM_DIR_OUT) 491 cmd->flags |= MRSAS_DIR_OUT; 492 } else 493 cmd->flags = MRSAS_DIR_NONE; /* no data */ 494 495 /* For FreeBSD 9.2 and higher */ 496 #if (__FreeBSD_version >= 902001) 497 /* 498 * XXX We don't yet support physical addresses here. 499 */ 500 switch ((ccb->ccb_h.flags & CAM_DATA_MASK)) { 501 case CAM_DATA_PADDR: 502 case CAM_DATA_SG_PADDR: 503 device_printf(sc->mrsas_dev, "%s: physical addresses not supported\n", 504 __func__); 505 mrsas_release_mpt_cmd(cmd); 506 ccb_h->status = CAM_REQ_INVALID; 507 ccb_h->status &= ~CAM_SIM_QUEUED; 508 goto done; 509 case CAM_DATA_SG: 510 device_printf(sc->mrsas_dev, "%s: scatter gather is not supported\n", 511 __func__); 512 mrsas_release_mpt_cmd(cmd); 513 ccb_h->status = CAM_REQ_INVALID; 514 goto done; 515 case CAM_DATA_VADDR: 516 if (csio->dxfer_len > (sc->max_num_sge * MRSAS_PAGE_SIZE)) { 517 mrsas_release_mpt_cmd(cmd); 518 ccb_h->status = CAM_REQ_TOO_BIG; 519 goto done; 520 } 521 cmd->length = csio->dxfer_len; 522 if (cmd->length) 523 cmd->data = csio->data_ptr; 524 break; 525 case CAM_DATA_BIO: 526 if (csio->dxfer_len > (sc->max_num_sge * MRSAS_PAGE_SIZE)) { 527 mrsas_release_mpt_cmd(cmd); 528 ccb_h->status = CAM_REQ_TOO_BIG; 529 goto done; 530 } 531 cmd->length = csio->dxfer_len; 532 if (cmd->length) 533 cmd->data = csio->data_ptr; 534 break; 535 default: 536 ccb->ccb_h.status = CAM_REQ_INVALID; 537 goto done; 538 } 539 #else 540 if (!(ccb_h->flags & CAM_DATA_PHYS)) { /* Virtual data address */ 541 if (!(ccb_h->flags & CAM_SCATTER_VALID)) { 542 if (csio->dxfer_len > (sc->max_num_sge * MRSAS_PAGE_SIZE)) { 543 mrsas_release_mpt_cmd(cmd); 544 ccb_h->status = CAM_REQ_TOO_BIG; 545 goto done; 546 } 547 cmd->length = csio->dxfer_len; 548 if (cmd->length) 549 cmd->data = csio->data_ptr; 550 } else { 551 mrsas_release_mpt_cmd(cmd); 552 ccb_h->status = CAM_REQ_INVALID; 553 goto done; 554 } 555 } else { /* Data addresses are physical. */ 556 mrsas_release_mpt_cmd(cmd); 557 ccb_h->status = CAM_REQ_INVALID; 558 ccb_h->status &= ~CAM_SIM_QUEUED; 559 goto done; 560 } 561 #endif 562 /* save ccb ptr */ 563 cmd->ccb_ptr = ccb; 564 565 req_desc = mrsas_get_request_desc(sc, (cmd->index) - 1); 566 if (!req_desc) { 567 device_printf(sc->mrsas_dev, "Cannot get request_descriptor.\n"); 568 return (FAIL); 569 } 570 memset(req_desc, 0, sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION)); 571 cmd->request_desc = req_desc; 572 573 if (ccb_h->flags & CAM_CDB_POINTER) 574 bcopy(csio->cdb_io.cdb_ptr, cmd->io_request->CDB.CDB32, csio->cdb_len); 575 else 576 bcopy(csio->cdb_io.cdb_bytes, cmd->io_request->CDB.CDB32, csio->cdb_len); 577 mtx_lock(&sc->raidmap_lock); 578 579 /* Check for IO type READ-WRITE targeted for Logical Volume */ 580 cmd_type = mrsas_find_io_type(sim, ccb); 581 switch (cmd_type) { 582 case READ_WRITE_LDIO: 583 /* Build READ-WRITE IO for Logical Volume */ 584 if (mrsas_build_ldio_rw(sc, cmd, ccb)) { 585 device_printf(sc->mrsas_dev, "Build RW LDIO failed.\n"); 586 mtx_unlock(&sc->raidmap_lock); 587 mrsas_release_mpt_cmd(cmd); 588 return (1); 589 } 590 break; 591 case NON_READ_WRITE_LDIO: 592 /* Build NON READ-WRITE IO for Logical Volume */ 593 if (mrsas_build_ldio_nonrw(sc, cmd, ccb)) { 594 device_printf(sc->mrsas_dev, "Build NON-RW LDIO failed.\n"); 595 mtx_unlock(&sc->raidmap_lock); 596 mrsas_release_mpt_cmd(cmd); 597 return (1); 598 } 599 break; 600 case READ_WRITE_SYSPDIO: 601 case NON_READ_WRITE_SYSPDIO: 602 if (sc->secure_jbod_support && 603 (cmd_type == NON_READ_WRITE_SYSPDIO)) { 604 /* Build NON-RW IO for JBOD */ 605 if (mrsas_build_syspdio(sc, cmd, ccb, sim, 0)) { 606 device_printf(sc->mrsas_dev, 607 "Build SYSPDIO failed.\n"); 608 mtx_unlock(&sc->raidmap_lock); 609 mrsas_release_mpt_cmd(cmd); 610 return (1); 611 } 612 } else { 613 /* Build RW IO for JBOD */ 614 if (mrsas_build_syspdio(sc, cmd, ccb, sim, 1)) { 615 device_printf(sc->mrsas_dev, 616 "Build SYSPDIO failed.\n"); 617 mtx_unlock(&sc->raidmap_lock); 618 mrsas_release_mpt_cmd(cmd); 619 return (1); 620 } 621 } 622 } 623 mtx_unlock(&sc->raidmap_lock); 624 625 if (cmd->flags == MRSAS_DIR_IN) /* from device */ 626 cmd->io_request->Control |= MPI2_SCSIIO_CONTROL_READ; 627 else if (cmd->flags == MRSAS_DIR_OUT) /* to device */ 628 cmd->io_request->Control |= MPI2_SCSIIO_CONTROL_WRITE; 629 630 cmd->io_request->SGLFlags = MPI2_SGE_FLAGS_64_BIT_ADDRESSING; 631 cmd->io_request->SGLOffset0 = offsetof(MRSAS_RAID_SCSI_IO_REQUEST, SGL) / 4; 632 cmd->io_request->SenseBufferLowAddress = cmd->sense_phys_addr; 633 cmd->io_request->SenseBufferLength = MRSAS_SCSI_SENSE_BUFFERSIZE; 634 635 req_desc = cmd->request_desc; 636 req_desc->SCSIIO.SMID = cmd->index; 637 638 /* 639 * Start timer for IO timeout. Default timeout value is 90 second. 640 */ 641 cmd->callout_owner = true; 642 #if (__FreeBSD_version >= 1000510) 643 callout_reset_sbt(&cmd->cm_callout, SBT_1S * 180, 0, 644 mrsas_scsiio_timeout, cmd, 0); 645 #else 646 callout_reset(&cmd->cm_callout, (180000 * hz) / 1000, 647 mrsas_scsiio_timeout, cmd); 648 #endif 649 650 if (mrsas_atomic_read(&sc->fw_outstanding) > sc->io_cmds_highwater) 651 sc->io_cmds_highwater++; 652 653 /* 654 * if it is raid 1/10 fp write capable. 655 * try to get second command from pool and construct it. 656 * From FW, it has confirmed that lba values of two PDs corresponds to 657 * single R1/10 LD are always same 658 * 659 */ 660 /* 661 * driver side count always should be less than max_fw_cmds to get 662 * new command 663 */ 664 if (cmd->r1_alt_dev_handle != MR_DEVHANDLE_INVALID) { 665 mrsas_prepare_secondRaid1_IO(sc, cmd); 666 mrsas_fire_cmd(sc, req_desc->addr.u.low, 667 req_desc->addr.u.high); 668 r1_cmd = cmd->peer_cmd; 669 mrsas_fire_cmd(sc, r1_cmd->request_desc->addr.u.low, 670 r1_cmd->request_desc->addr.u.high); 671 } else { 672 mrsas_fire_cmd(sc, req_desc->addr.u.low, 673 req_desc->addr.u.high); 674 } 675 676 return (0); 677 678 done: 679 xpt_done(ccb); 680 mrsas_atomic_dec(&sc->fw_outstanding); 681 return (0); 682 } 683 684 /* 685 * mrsas_find_io_type: Determines if IO is read/write or inquiry 686 * input: pointer to CAM Control Block 687 * 688 * This function determines if the IO is read/write or inquiry. It returns a 1 689 * if the IO is read/write and 0 if it is inquiry. 690 */ 691 int 692 mrsas_find_io_type(struct cam_sim *sim, union ccb *ccb) 693 { 694 struct ccb_scsiio *csio = &(ccb->csio); 695 696 switch (csio->cdb_io.cdb_bytes[0]) { 697 case READ_10: 698 case WRITE_10: 699 case READ_12: 700 case WRITE_12: 701 case READ_6: 702 case WRITE_6: 703 case READ_16: 704 case WRITE_16: 705 return (cam_sim_bus(sim) ? 706 READ_WRITE_SYSPDIO : READ_WRITE_LDIO); 707 default: 708 return (cam_sim_bus(sim) ? 709 NON_READ_WRITE_SYSPDIO : NON_READ_WRITE_LDIO); 710 } 711 } 712 713 /* 714 * mrsas_get_mpt_cmd: Get a cmd from free command pool 715 * input: Adapter instance soft state 716 * 717 * This function removes an MPT command from the command free list and 718 * initializes it. 719 */ 720 struct mrsas_mpt_cmd * 721 mrsas_get_mpt_cmd(struct mrsas_softc *sc) 722 { 723 struct mrsas_mpt_cmd *cmd = NULL; 724 725 mtx_lock(&sc->mpt_cmd_pool_lock); 726 if (!TAILQ_EMPTY(&sc->mrsas_mpt_cmd_list_head)) { 727 cmd = TAILQ_FIRST(&sc->mrsas_mpt_cmd_list_head); 728 TAILQ_REMOVE(&sc->mrsas_mpt_cmd_list_head, cmd, next); 729 } else { 730 goto out; 731 } 732 733 memset((uint8_t *)cmd->io_request, 0, MRSAS_MPI2_RAID_DEFAULT_IO_FRAME_SIZE); 734 cmd->data = NULL; 735 cmd->length = 0; 736 cmd->flags = 0; 737 cmd->error_code = 0; 738 cmd->load_balance = 0; 739 cmd->ccb_ptr = NULL; 740 out: 741 mtx_unlock(&sc->mpt_cmd_pool_lock); 742 return cmd; 743 } 744 745 /* 746 * mrsas_release_mpt_cmd: Return a cmd to free command pool 747 * input: Command packet for return to free command pool 748 * 749 * This function returns an MPT command to the free command list. 750 */ 751 void 752 mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd) 753 { 754 struct mrsas_softc *sc = cmd->sc; 755 756 mtx_lock(&sc->mpt_cmd_pool_lock); 757 cmd->r1_alt_dev_handle = MR_DEVHANDLE_INVALID; 758 cmd->sync_cmd_idx = (u_int32_t)MRSAS_ULONG_MAX; 759 cmd->peer_cmd = NULL; 760 cmd->cmd_completed = 0; 761 memset((uint8_t *)cmd->io_request, 0, 762 sizeof(MRSAS_RAID_SCSI_IO_REQUEST)); 763 TAILQ_INSERT_HEAD(&(sc->mrsas_mpt_cmd_list_head), cmd, next); 764 mtx_unlock(&sc->mpt_cmd_pool_lock); 765 766 return; 767 } 768 769 /* 770 * mrsas_get_request_desc: Get request descriptor from array 771 * input: Adapter instance soft state 772 * SMID index 773 * 774 * This function returns a pointer to the request descriptor. 775 */ 776 MRSAS_REQUEST_DESCRIPTOR_UNION * 777 mrsas_get_request_desc(struct mrsas_softc *sc, u_int16_t index) 778 { 779 u_int8_t *p; 780 781 KASSERT(index < sc->max_fw_cmds, ("req_desc is out of range")); 782 p = sc->req_desc + sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION) * index; 783 784 return (MRSAS_REQUEST_DESCRIPTOR_UNION *) p; 785 } 786 787 788 789 790 /* mrsas_prepare_secondRaid1_IO 791 * It prepares the raid 1 second IO 792 */ 793 void 794 mrsas_prepare_secondRaid1_IO(struct mrsas_softc *sc, 795 struct mrsas_mpt_cmd *cmd) 796 { 797 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc, *req_desc2 = NULL; 798 struct mrsas_mpt_cmd *r1_cmd; 799 800 r1_cmd = cmd->peer_cmd; 801 req_desc = cmd->request_desc; 802 803 /* 804 * copy the io request frame as well as 8 SGEs data for r1 805 * command 806 */ 807 memcpy(r1_cmd->io_request, cmd->io_request, 808 (sizeof(MRSAS_RAID_SCSI_IO_REQUEST))); 809 memcpy(&r1_cmd->io_request->SGL, &cmd->io_request->SGL, 810 (sc->max_sge_in_main_msg * sizeof(MPI2_SGE_IO_UNION))); 811 812 /* sense buffer is different for r1 command */ 813 r1_cmd->io_request->SenseBufferLowAddress = r1_cmd->sense_phys_addr; 814 r1_cmd->ccb_ptr = cmd->ccb_ptr; 815 816 req_desc2 = mrsas_get_request_desc(sc, r1_cmd->index - 1); 817 req_desc2->addr.Words = 0; 818 r1_cmd->request_desc = req_desc2; 819 req_desc2->SCSIIO.SMID = r1_cmd->index; 820 req_desc2->SCSIIO.RequestFlags = req_desc->SCSIIO.RequestFlags; 821 r1_cmd->request_desc->SCSIIO.DevHandle = cmd->r1_alt_dev_handle; 822 r1_cmd->r1_alt_dev_handle = cmd->io_request->DevHandle; 823 r1_cmd->io_request->DevHandle = cmd->r1_alt_dev_handle; 824 cmd->io_request->RaidContext.raid_context_g35.smid.peerSMID = 825 r1_cmd->index; 826 r1_cmd->io_request->RaidContext.raid_context_g35.smid.peerSMID = 827 cmd->index; 828 /* 829 * MSIxIndex of both commands request descriptors 830 * should be same 831 */ 832 r1_cmd->request_desc->SCSIIO.MSIxIndex = cmd->request_desc->SCSIIO.MSIxIndex; 833 /* span arm is different for r1 cmd */ 834 r1_cmd->io_request->RaidContext.raid_context_g35.spanArm = 835 cmd->io_request->RaidContext.raid_context_g35.spanArm + 1; 836 837 } 838 839 840 /* 841 * mrsas_build_ldio_rw: Builds an LDIO command 842 * input: Adapter instance soft state 843 * Pointer to command packet 844 * Pointer to CCB 845 * 846 * This function builds the LDIO command packet. It returns 0 if the command is 847 * built successfully, otherwise it returns a 1. 848 */ 849 int 850 mrsas_build_ldio_rw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 851 union ccb *ccb) 852 { 853 struct ccb_hdr *ccb_h = &(ccb->ccb_h); 854 struct ccb_scsiio *csio = &(ccb->csio); 855 u_int32_t device_id; 856 MRSAS_RAID_SCSI_IO_REQUEST *io_request; 857 858 device_id = ccb_h->target_id; 859 860 io_request = cmd->io_request; 861 io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id; 862 io_request->RaidContext.raid_context.status = 0; 863 io_request->RaidContext.raid_context.exStatus = 0; 864 865 /* just the cdb len, other flags zero, and ORed-in later for FP */ 866 io_request->IoFlags = csio->cdb_len; 867 868 if (mrsas_setup_io(sc, cmd, ccb, device_id, io_request) != SUCCESS) 869 device_printf(sc->mrsas_dev, "Build ldio or fpio error\n"); 870 871 io_request->DataLength = cmd->length; 872 873 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) { 874 if (cmd->sge_count > sc->max_num_sge) { 875 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds" 876 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge); 877 return (FAIL); 878 } 879 if (sc->is_ventura || sc->is_aero) 880 io_request->RaidContext.raid_context_g35.numSGE = cmd->sge_count; 881 else { 882 /* 883 * numSGE store lower 8 bit of sge_count. numSGEExt store 884 * higher 8 bit of sge_count 885 */ 886 io_request->RaidContext.raid_context.numSGE = cmd->sge_count; 887 io_request->RaidContext.raid_context.numSGEExt = (uint8_t)(cmd->sge_count >> 8); 888 } 889 890 } else { 891 device_printf(sc->mrsas_dev, "Data map/load failed.\n"); 892 return (FAIL); 893 } 894 return (0); 895 } 896 897 /* stream detection on read and and write IOs */ 898 static void 899 mrsas_stream_detect(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 900 struct IO_REQUEST_INFO *io_info) 901 { 902 u_int32_t device_id = io_info->ldTgtId; 903 LD_STREAM_DETECT *current_ld_SD = sc->streamDetectByLD[device_id]; 904 u_int32_t *track_stream = ¤t_ld_SD->mruBitMap; 905 u_int32_t streamNum, shiftedValues, unshiftedValues; 906 u_int32_t indexValueMask, shiftedValuesMask; 907 int i; 908 boolean_t isReadAhead = false; 909 STREAM_DETECT *current_SD; 910 911 /* find possible stream */ 912 for (i = 0; i < MAX_STREAMS_TRACKED; ++i) { 913 streamNum = (*track_stream >> (i * BITS_PER_INDEX_STREAM)) & 914 STREAM_MASK; 915 current_SD = ¤t_ld_SD->streamTrack[streamNum]; 916 /* 917 * if we found a stream, update the raid context and 918 * also update the mruBitMap 919 */ 920 if (current_SD->nextSeqLBA && 921 io_info->ldStartBlock >= current_SD->nextSeqLBA && 922 (io_info->ldStartBlock <= (current_SD->nextSeqLBA+32)) && 923 (current_SD->isRead == io_info->isRead)) { 924 if (io_info->ldStartBlock != current_SD->nextSeqLBA && 925 (!io_info->isRead || !isReadAhead)) { 926 /* 927 * Once the API availible we need to change this. 928 * At this point we are not allowing any gap 929 */ 930 continue; 931 } 932 cmd->io_request->RaidContext.raid_context_g35.streamDetected = TRUE; 933 current_SD->nextSeqLBA = io_info->ldStartBlock + io_info->numBlocks; 934 /* 935 * update the mruBitMap LRU 936 */ 937 shiftedValuesMask = (1 << i * BITS_PER_INDEX_STREAM) - 1 ; 938 shiftedValues = ((*track_stream & shiftedValuesMask) << 939 BITS_PER_INDEX_STREAM); 940 indexValueMask = STREAM_MASK << i * BITS_PER_INDEX_STREAM; 941 unshiftedValues = (*track_stream) & 942 (~(shiftedValuesMask | indexValueMask)); 943 *track_stream = 944 (unshiftedValues | shiftedValues | streamNum); 945 return; 946 } 947 } 948 /* 949 * if we did not find any stream, create a new one from the least recently used 950 */ 951 streamNum = (*track_stream >> 952 ((MAX_STREAMS_TRACKED - 1) * BITS_PER_INDEX_STREAM)) & STREAM_MASK; 953 current_SD = ¤t_ld_SD->streamTrack[streamNum]; 954 current_SD->isRead = io_info->isRead; 955 current_SD->nextSeqLBA = io_info->ldStartBlock + io_info->numBlocks; 956 *track_stream = (((*track_stream & ZERO_LAST_STREAM) << 4) | streamNum); 957 return; 958 } 959 960 961 /* 962 * mrsas_setup_io: Set up data including Fast Path I/O 963 * input: Adapter instance soft state 964 * Pointer to command packet 965 * Pointer to CCB 966 * 967 * This function builds the DCDB inquiry command. It returns 0 if the command 968 * is built successfully, otherwise it returns a 1. 969 */ 970 int 971 mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 972 union ccb *ccb, u_int32_t device_id, 973 MRSAS_RAID_SCSI_IO_REQUEST * io_request) 974 { 975 struct ccb_hdr *ccb_h = &(ccb->ccb_h); 976 struct ccb_scsiio *csio = &(ccb->csio); 977 struct IO_REQUEST_INFO io_info; 978 MR_DRV_RAID_MAP_ALL *map_ptr; 979 struct mrsas_mpt_cmd *r1_cmd = NULL; 980 981 MR_LD_RAID *raid; 982 u_int8_t fp_possible; 983 u_int32_t start_lba_hi, start_lba_lo, ld_block_size, ld; 984 u_int32_t datalength = 0; 985 986 io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id; 987 988 start_lba_lo = 0; 989 start_lba_hi = 0; 990 fp_possible = 0; 991 992 /* 993 * READ_6 (0x08) or WRITE_6 (0x0A) cdb 994 */ 995 if (csio->cdb_len == 6) { 996 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[4]; 997 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[1] << 16) | 998 ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 8) | 999 (u_int32_t)csio->cdb_io.cdb_bytes[3]; 1000 start_lba_lo &= 0x1FFFFF; 1001 } 1002 /* 1003 * READ_10 (0x28) or WRITE_6 (0x2A) cdb 1004 */ 1005 else if (csio->cdb_len == 10) { 1006 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[8] | 1007 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 8); 1008 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) | 1009 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) | 1010 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 | 1011 ((u_int32_t)csio->cdb_io.cdb_bytes[5]); 1012 } 1013 /* 1014 * READ_12 (0xA8) or WRITE_12 (0xAA) cdb 1015 */ 1016 else if (csio->cdb_len == 12) { 1017 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[6] << 24 | 1018 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 16) | 1019 ((u_int32_t)csio->cdb_io.cdb_bytes[8] << 8) | 1020 ((u_int32_t)csio->cdb_io.cdb_bytes[9]); 1021 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) | 1022 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) | 1023 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 | 1024 ((u_int32_t)csio->cdb_io.cdb_bytes[5]); 1025 } 1026 /* 1027 * READ_16 (0x88) or WRITE_16 (0xx8A) cdb 1028 */ 1029 else if (csio->cdb_len == 16) { 1030 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[10] << 24 | 1031 ((u_int32_t)csio->cdb_io.cdb_bytes[11] << 16) | 1032 ((u_int32_t)csio->cdb_io.cdb_bytes[12] << 8) | 1033 ((u_int32_t)csio->cdb_io.cdb_bytes[13]); 1034 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[6] << 24) | 1035 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 16) | 1036 (u_int32_t)csio->cdb_io.cdb_bytes[8] << 8 | 1037 ((u_int32_t)csio->cdb_io.cdb_bytes[9]); 1038 start_lba_hi = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) | 1039 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) | 1040 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 | 1041 ((u_int32_t)csio->cdb_io.cdb_bytes[5]); 1042 } 1043 memset(&io_info, 0, sizeof(struct IO_REQUEST_INFO)); 1044 io_info.ldStartBlock = ((u_int64_t)start_lba_hi << 32) | start_lba_lo; 1045 io_info.numBlocks = datalength; 1046 io_info.ldTgtId = device_id; 1047 io_info.r1_alt_dev_handle = MR_DEVHANDLE_INVALID; 1048 1049 io_request->DataLength = cmd->length; 1050 1051 switch (ccb_h->flags & CAM_DIR_MASK) { 1052 case CAM_DIR_IN: 1053 io_info.isRead = 1; 1054 break; 1055 case CAM_DIR_OUT: 1056 io_info.isRead = 0; 1057 break; 1058 case CAM_DIR_NONE: 1059 default: 1060 mrsas_dprint(sc, MRSAS_TRACE, "From %s : DMA Flag is %d \n", __func__, ccb_h->flags & CAM_DIR_MASK); 1061 break; 1062 } 1063 1064 map_ptr = sc->ld_drv_map[(sc->map_id & 1)]; 1065 ld_block_size = MR_LdBlockSizeGet(device_id, map_ptr); 1066 1067 ld = MR_TargetIdToLdGet(device_id, map_ptr); 1068 if ((ld >= MAX_LOGICAL_DRIVES_EXT) || (!sc->fast_path_io)) { 1069 io_request->RaidContext.raid_context.regLockFlags = 0; 1070 fp_possible = 0; 1071 } else { 1072 if (MR_BuildRaidContext(sc, &io_info, &io_request->RaidContext.raid_context, map_ptr)) 1073 fp_possible = io_info.fpOkForIo; 1074 } 1075 1076 raid = MR_LdRaidGet(ld, map_ptr); 1077 /* Store the TM capability value in cmd */ 1078 cmd->tmCapable = raid->capability.tmCapable; 1079 1080 cmd->request_desc->SCSIIO.MSIxIndex = 1081 sc->msix_vectors ? smp_processor_id() % sc->msix_vectors : 0; 1082 1083 if (sc->is_ventura || sc->is_aero) { 1084 if (sc->streamDetectByLD) { 1085 mtx_lock(&sc->stream_lock); 1086 mrsas_stream_detect(sc, cmd, &io_info); 1087 mtx_unlock(&sc->stream_lock); 1088 /* In ventura if stream detected for a read and 1089 * it is read ahead capable make this IO as LDIO */ 1090 if (io_request->RaidContext.raid_context_g35.streamDetected && 1091 io_info.isRead && io_info.raCapable) 1092 fp_possible = FALSE; 1093 } 1094 1095 /* Set raid 1/10 fast path write capable bit in io_info. 1096 * Note - reset peer_cmd and r1_alt_dev_handle if fp_possible 1097 * disabled after this point. Try not to add more check for 1098 * fp_possible toggle after this. 1099 */ 1100 if (fp_possible && 1101 (io_info.r1_alt_dev_handle != MR_DEVHANDLE_INVALID) && 1102 (raid->level == 1) && !io_info.isRead) { 1103 r1_cmd = mrsas_get_mpt_cmd(sc); 1104 if (mrsas_atomic_inc_return(&sc->fw_outstanding) > sc->max_scsi_cmds) { 1105 fp_possible = FALSE; 1106 mrsas_atomic_dec(&sc->fw_outstanding); 1107 } else { 1108 r1_cmd = mrsas_get_mpt_cmd(sc); 1109 if (!r1_cmd) { 1110 fp_possible = FALSE; 1111 mrsas_atomic_dec(&sc->fw_outstanding); 1112 } 1113 else { 1114 cmd->peer_cmd = r1_cmd; 1115 r1_cmd->peer_cmd = cmd; 1116 } 1117 } 1118 } 1119 } 1120 1121 if (fp_possible) { 1122 mrsas_set_pd_lba(io_request, csio->cdb_len, &io_info, ccb, map_ptr, 1123 start_lba_lo, ld_block_size); 1124 io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; 1125 cmd->request_desc->SCSIIO.RequestFlags = 1126 (MPI2_REQ_DESCRIPT_FLAGS_FP_IO << 1127 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1128 if (sc->mrsas_gen3_ctrl) { 1129 if (io_request->RaidContext.raid_context.regLockFlags == REGION_TYPE_UNUSED) 1130 cmd->request_desc->SCSIIO.RequestFlags = 1131 (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK << 1132 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1133 io_request->RaidContext.raid_context.Type = MPI2_TYPE_CUDA; 1134 io_request->RaidContext.raid_context.nseg = 0x1; 1135 io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH; 1136 io_request->RaidContext.raid_context.regLockFlags |= 1137 (MR_RL_FLAGS_GRANT_DESTINATION_CUDA | 1138 MR_RL_FLAGS_SEQ_NUM_ENABLE); 1139 } else if (sc->is_ventura || sc->is_aero) { 1140 io_request->RaidContext.raid_context_g35.Type = MPI2_TYPE_CUDA; 1141 io_request->RaidContext.raid_context_g35.nseg = 0x1; 1142 io_request->RaidContext.raid_context_g35.routingFlags.bits.sqn = 1; 1143 io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH; 1144 if (io_request->RaidContext.raid_context_g35.routingFlags.bits.sld) { 1145 io_request->RaidContext.raid_context_g35.RAIDFlags = 1146 (MR_RAID_FLAGS_IO_SUB_TYPE_CACHE_BYPASS 1147 << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT); 1148 } 1149 } 1150 if ((sc->load_balance_info[device_id].loadBalanceFlag) && 1151 (io_info.isRead)) { 1152 io_info.devHandle = 1153 mrsas_get_updated_dev_handle(sc, 1154 &sc->load_balance_info[device_id], &io_info); 1155 cmd->load_balance = MRSAS_LOAD_BALANCE_FLAG; 1156 cmd->pd_r1_lb = io_info.pd_after_lb; 1157 if (sc->is_ventura || sc->is_aero) 1158 io_request->RaidContext.raid_context_g35.spanArm = io_info.span_arm; 1159 else 1160 io_request->RaidContext.raid_context.spanArm = io_info.span_arm; 1161 } else 1162 cmd->load_balance = 0; 1163 1164 if (sc->is_ventura || sc->is_aero) 1165 cmd->r1_alt_dev_handle = io_info.r1_alt_dev_handle; 1166 else 1167 cmd->r1_alt_dev_handle = MR_DEVHANDLE_INVALID; 1168 1169 cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle; 1170 io_request->DevHandle = io_info.devHandle; 1171 cmd->pdInterface = io_info.pdInterface; 1172 } else { 1173 /* Not FP IO */ 1174 io_request->RaidContext.raid_context.timeoutValue = map_ptr->raidMap.fpPdIoTimeoutSec; 1175 cmd->request_desc->SCSIIO.RequestFlags = 1176 (MRSAS_REQ_DESCRIPT_FLAGS_LD_IO << 1177 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1178 if (sc->mrsas_gen3_ctrl) { 1179 if (io_request->RaidContext.raid_context.regLockFlags == REGION_TYPE_UNUSED) 1180 cmd->request_desc->SCSIIO.RequestFlags = 1181 (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK << 1182 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1183 io_request->RaidContext.raid_context.Type = MPI2_TYPE_CUDA; 1184 io_request->RaidContext.raid_context.regLockFlags |= 1185 (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 | 1186 MR_RL_FLAGS_SEQ_NUM_ENABLE); 1187 io_request->RaidContext.raid_context.nseg = 0x1; 1188 } else if (sc->is_ventura || sc->is_aero) { 1189 io_request->RaidContext.raid_context_g35.Type = MPI2_TYPE_CUDA; 1190 io_request->RaidContext.raid_context_g35.routingFlags.bits.sqn = 1; 1191 io_request->RaidContext.raid_context_g35.nseg = 0x1; 1192 } 1193 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST; 1194 io_request->DevHandle = device_id; 1195 } 1196 return (0); 1197 } 1198 1199 /* 1200 * mrsas_build_ldio_nonrw: Builds an LDIO command 1201 * input: Adapter instance soft state 1202 * Pointer to command packet 1203 * Pointer to CCB 1204 * 1205 * This function builds the LDIO command packet. It returns 0 if the command is 1206 * built successfully, otherwise it returns a 1. 1207 */ 1208 int 1209 mrsas_build_ldio_nonrw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 1210 union ccb *ccb) 1211 { 1212 struct ccb_hdr *ccb_h = &(ccb->ccb_h); 1213 u_int32_t device_id, ld; 1214 MR_DRV_RAID_MAP_ALL *map_ptr; 1215 MR_LD_RAID *raid; 1216 RAID_CONTEXT *pRAID_Context; 1217 MRSAS_RAID_SCSI_IO_REQUEST *io_request; 1218 1219 io_request = cmd->io_request; 1220 device_id = ccb_h->target_id; 1221 1222 map_ptr = sc->ld_drv_map[(sc->map_id & 1)]; 1223 ld = MR_TargetIdToLdGet(device_id, map_ptr); 1224 raid = MR_LdRaidGet(ld, map_ptr); 1225 /* get RAID_Context pointer */ 1226 pRAID_Context = &io_request->RaidContext.raid_context; 1227 /* Store the TM capability value in cmd */ 1228 cmd->tmCapable = raid->capability.tmCapable; 1229 1230 /* FW path for LD Non-RW (SCSI management commands) */ 1231 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST; 1232 io_request->DevHandle = device_id; 1233 cmd->request_desc->SCSIIO.RequestFlags = 1234 (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << 1235 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1236 1237 io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id; 1238 io_request->LUN[1] = ccb_h->target_lun & 0xF; 1239 io_request->DataLength = cmd->length; 1240 1241 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) { 1242 if (cmd->sge_count > sc->max_num_sge) { 1243 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds" 1244 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge); 1245 return (1); 1246 } 1247 if (sc->is_ventura || sc->is_aero) 1248 io_request->RaidContext.raid_context_g35.numSGE = cmd->sge_count; 1249 else { 1250 /* 1251 * numSGE store lower 8 bit of sge_count. numSGEExt store 1252 * higher 8 bit of sge_count 1253 */ 1254 io_request->RaidContext.raid_context.numSGE = cmd->sge_count; 1255 io_request->RaidContext.raid_context.numSGEExt = (uint8_t)(cmd->sge_count >> 8); 1256 } 1257 } else { 1258 device_printf(sc->mrsas_dev, "Data map/load failed.\n"); 1259 return (1); 1260 } 1261 return (0); 1262 } 1263 1264 /* 1265 * mrsas_build_syspdio: Builds an DCDB command 1266 * input: Adapter instance soft state 1267 * Pointer to command packet 1268 * Pointer to CCB 1269 * 1270 * This function builds the DCDB inquiry command. It returns 0 if the command 1271 * is built successfully, otherwise it returns a 1. 1272 */ 1273 int 1274 mrsas_build_syspdio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 1275 union ccb *ccb, struct cam_sim *sim, u_int8_t fp_possible) 1276 { 1277 struct ccb_hdr *ccb_h = &(ccb->ccb_h); 1278 u_int32_t device_id; 1279 MR_DRV_RAID_MAP_ALL *local_map_ptr; 1280 MRSAS_RAID_SCSI_IO_REQUEST *io_request; 1281 RAID_CONTEXT *pRAID_Context; 1282 struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; 1283 1284 io_request = cmd->io_request; 1285 /* get RAID_Context pointer */ 1286 pRAID_Context = &io_request->RaidContext.raid_context; 1287 device_id = ccb_h->target_id; 1288 local_map_ptr = sc->ld_drv_map[(sc->map_id & 1)]; 1289 io_request->RaidContext.raid_context.RAIDFlags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD 1290 << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT; 1291 io_request->RaidContext.raid_context.regLockFlags = 0; 1292 io_request->RaidContext.raid_context.regLockRowLBA = 0; 1293 io_request->RaidContext.raid_context.regLockLength = 0; 1294 1295 cmd->pdInterface = sc->target_list[device_id].interface_type; 1296 1297 /* If FW supports PD sequence number */ 1298 if (sc->use_seqnum_jbod_fp && 1299 sc->pd_list[device_id].driveType == 0x00) { 1300 //printf("Using Drv seq num\n"); 1301 pd_sync = (void *)sc->jbodmap_mem[(sc->pd_seq_map_id - 1) & 1]; 1302 cmd->tmCapable = pd_sync->seq[device_id].capability.tmCapable; 1303 /* More than 256 PD/JBOD support for Ventura */ 1304 if (sc->support_morethan256jbod) 1305 io_request->RaidContext.raid_context.VirtualDiskTgtId = 1306 pd_sync->seq[device_id].pdTargetId; 1307 else 1308 io_request->RaidContext.raid_context.VirtualDiskTgtId = 1309 device_id + 255; 1310 io_request->RaidContext.raid_context.configSeqNum = pd_sync->seq[device_id].seqNum; 1311 io_request->DevHandle = pd_sync->seq[device_id].devHandle; 1312 if (sc->is_ventura || sc->is_aero) 1313 io_request->RaidContext.raid_context_g35.routingFlags.bits.sqn = 1; 1314 else 1315 io_request->RaidContext.raid_context.regLockFlags |= 1316 (MR_RL_FLAGS_SEQ_NUM_ENABLE | MR_RL_FLAGS_GRANT_DESTINATION_CUDA); 1317 /* raid_context.Type = MPI2_TYPE_CUDA is valid only, 1318 * if FW support Jbod Sequence number 1319 */ 1320 io_request->RaidContext.raid_context.Type = MPI2_TYPE_CUDA; 1321 io_request->RaidContext.raid_context.nseg = 0x1; 1322 } else if (sc->fast_path_io) { 1323 //printf("Using LD RAID map\n"); 1324 io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id; 1325 io_request->RaidContext.raid_context.configSeqNum = 0; 1326 local_map_ptr = sc->ld_drv_map[(sc->map_id & 1)]; 1327 io_request->DevHandle = 1328 local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl; 1329 } else { 1330 //printf("Using FW PATH\n"); 1331 /* Want to send all IO via FW path */ 1332 io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id; 1333 io_request->RaidContext.raid_context.configSeqNum = 0; 1334 io_request->DevHandle = MR_DEVHANDLE_INVALID; 1335 } 1336 1337 cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle; 1338 cmd->request_desc->SCSIIO.MSIxIndex = 1339 sc->msix_vectors ? smp_processor_id() % sc->msix_vectors : 0; 1340 1341 if (!fp_possible) { 1342 /* system pd firmware path */ 1343 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST; 1344 cmd->request_desc->SCSIIO.RequestFlags = 1345 (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << 1346 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1347 io_request->RaidContext.raid_context.timeoutValue = 1348 local_map_ptr->raidMap.fpPdIoTimeoutSec; 1349 io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id; 1350 } else { 1351 /* system pd fast path */ 1352 io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; 1353 io_request->RaidContext.raid_context.timeoutValue = local_map_ptr->raidMap.fpPdIoTimeoutSec; 1354 1355 /* 1356 * NOTE - For system pd RW cmds only IoFlags will be FAST_PATH 1357 * Because the NON RW cmds will now go via FW Queue 1358 * and not the Exception queue 1359 */ 1360 if (sc->mrsas_gen3_ctrl || sc->is_ventura || sc->is_aero) 1361 io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH; 1362 1363 cmd->request_desc->SCSIIO.RequestFlags = 1364 (MPI2_REQ_DESCRIPT_FLAGS_FP_IO << 1365 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1366 } 1367 1368 io_request->LUN[1] = ccb_h->target_lun & 0xF; 1369 io_request->DataLength = cmd->length; 1370 1371 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) { 1372 if (cmd->sge_count > sc->max_num_sge) { 1373 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds" 1374 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge); 1375 return (1); 1376 } 1377 if (sc->is_ventura || sc->is_aero) 1378 io_request->RaidContext.raid_context_g35.numSGE = cmd->sge_count; 1379 else { 1380 /* 1381 * numSGE store lower 8 bit of sge_count. numSGEExt store 1382 * higher 8 bit of sge_count 1383 */ 1384 io_request->RaidContext.raid_context.numSGE = cmd->sge_count; 1385 io_request->RaidContext.raid_context.numSGEExt = (uint8_t)(cmd->sge_count >> 8); 1386 } 1387 } else { 1388 device_printf(sc->mrsas_dev, "Data map/load failed.\n"); 1389 return (1); 1390 } 1391 return (0); 1392 } 1393 1394 /* 1395 * mrsas_is_prp_possible: This function will tell whether PRPs should be built or not 1396 * sc: Adapter instance soft state 1397 * cmd: MPT command frame pointer 1398 * nsesg: Number of OS SGEs 1399 * 1400 * This function will check whether IO is qualified to build PRPs 1401 * return: true: if PRP should be built 1402 * false: if IEEE SGLs should be built 1403 */ 1404 static boolean_t mrsas_is_prp_possible(struct mrsas_mpt_cmd *cmd, 1405 bus_dma_segment_t *segs, int nsegs) 1406 { 1407 struct mrsas_softc *sc = cmd->sc; 1408 int i; 1409 u_int32_t data_length = 0; 1410 bool build_prp = false; 1411 u_int32_t mr_nvme_pg_size; 1412 1413 mr_nvme_pg_size = max(sc->nvme_page_size, MR_DEFAULT_NVME_PAGE_SIZE); 1414 data_length = cmd->length; 1415 1416 if (data_length > (mr_nvme_pg_size * 5)) 1417 build_prp = true; 1418 else if ((data_length > (mr_nvme_pg_size * 4)) && 1419 (data_length <= (mr_nvme_pg_size * 5))) { 1420 /* check if 1st SG entry size is < residual beyond 4 pages */ 1421 if ((segs[0].ds_len) < (data_length - (mr_nvme_pg_size * 4))) 1422 build_prp = true; 1423 } 1424 1425 /*check for SGE holes here*/ 1426 for (i = 0; i < nsegs; i++) { 1427 /* check for mid SGEs */ 1428 if ((i != 0) && (i != (nsegs - 1))) { 1429 if ((segs[i].ds_addr % mr_nvme_pg_size) || 1430 (segs[i].ds_len % mr_nvme_pg_size)) { 1431 build_prp = false; 1432 mrsas_atomic_inc(&sc->sge_holes); 1433 break; 1434 } 1435 } 1436 1437 /* check for first SGE*/ 1438 if ((nsegs > 1) && (i == 0)) { 1439 if ((segs[i].ds_addr + segs[i].ds_len) % mr_nvme_pg_size) { 1440 build_prp = false; 1441 mrsas_atomic_inc(&sc->sge_holes); 1442 break; 1443 } 1444 } 1445 1446 /* check for Last SGE*/ 1447 if ((nsegs > 1) && (i == (nsegs - 1))) { 1448 if (segs[i].ds_addr % mr_nvme_pg_size) { 1449 build_prp = false; 1450 mrsas_atomic_inc(&sc->sge_holes); 1451 break; 1452 } 1453 } 1454 1455 } 1456 1457 return build_prp; 1458 } 1459 1460 /* 1461 * mrsas_map_request: Map and load data 1462 * input: Adapter instance soft state 1463 * Pointer to command packet 1464 * 1465 * For data from OS, map and load the data buffer into bus space. The SG list 1466 * is built in the callback. If the bus dmamap load is not successful, 1467 * cmd->error_code will contain the error code and a 1 is returned. 1468 */ 1469 int 1470 mrsas_map_request(struct mrsas_softc *sc, 1471 struct mrsas_mpt_cmd *cmd, union ccb *ccb) 1472 { 1473 u_int32_t retcode = 0; 1474 struct cam_sim *sim; 1475 1476 sim = xpt_path_sim(cmd->ccb_ptr->ccb_h.path); 1477 1478 if (cmd->data != NULL) { 1479 /* Map data buffer into bus space */ 1480 mtx_lock(&sc->io_lock); 1481 #if (__FreeBSD_version >= 902001) 1482 retcode = bus_dmamap_load_ccb(sc->data_tag, cmd->data_dmamap, ccb, 1483 mrsas_data_load_cb, cmd, 0); 1484 #else 1485 retcode = bus_dmamap_load(sc->data_tag, cmd->data_dmamap, cmd->data, 1486 cmd->length, mrsas_data_load_cb, cmd, BUS_DMA_NOWAIT); 1487 #endif 1488 mtx_unlock(&sc->io_lock); 1489 if (retcode) 1490 device_printf(sc->mrsas_dev, "bus_dmamap_load(): retcode = %d\n", retcode); 1491 if (retcode == EINPROGRESS) { 1492 device_printf(sc->mrsas_dev, "request load in progress\n"); 1493 mrsas_freeze_simq(cmd, sim); 1494 } 1495 } 1496 if (cmd->error_code) 1497 return (1); 1498 return (retcode); 1499 } 1500 1501 /* 1502 * mrsas_unmap_request: Unmap and unload data 1503 * input: Adapter instance soft state 1504 * Pointer to command packet 1505 * 1506 * This function unmaps and unloads data from OS. 1507 */ 1508 void 1509 mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd) 1510 { 1511 if (cmd->data != NULL) { 1512 if (cmd->flags & MRSAS_DIR_IN) 1513 bus_dmamap_sync(sc->data_tag, cmd->data_dmamap, BUS_DMASYNC_POSTREAD); 1514 if (cmd->flags & MRSAS_DIR_OUT) 1515 bus_dmamap_sync(sc->data_tag, cmd->data_dmamap, BUS_DMASYNC_POSTWRITE); 1516 mtx_lock(&sc->io_lock); 1517 bus_dmamap_unload(sc->data_tag, cmd->data_dmamap); 1518 mtx_unlock(&sc->io_lock); 1519 } 1520 } 1521 1522 /** 1523 * mrsas_build_ieee_sgl - Prepare IEEE SGLs 1524 * @sc: Adapter soft state 1525 * @segs: OS SGEs pointers 1526 * @nseg: Number of OS SGEs 1527 * @cmd: Fusion command frame 1528 * return: void 1529 */ 1530 static void mrsas_build_ieee_sgl(struct mrsas_mpt_cmd *cmd, bus_dma_segment_t *segs, int nseg) 1531 { 1532 struct mrsas_softc *sc = cmd->sc; 1533 MRSAS_RAID_SCSI_IO_REQUEST *io_request; 1534 pMpi25IeeeSgeChain64_t sgl_ptr; 1535 int i = 0, sg_processed = 0; 1536 1537 io_request = cmd->io_request; 1538 sgl_ptr = (pMpi25IeeeSgeChain64_t)&io_request->SGL; 1539 1540 if (sc->mrsas_gen3_ctrl || sc->is_ventura || sc->is_aero) { 1541 pMpi25IeeeSgeChain64_t sgl_ptr_end = sgl_ptr; 1542 1543 sgl_ptr_end += sc->max_sge_in_main_msg - 1; 1544 sgl_ptr_end->Flags = 0; 1545 } 1546 if (nseg != 0) { 1547 for (i = 0; i < nseg; i++) { 1548 sgl_ptr->Address = segs[i].ds_addr; 1549 sgl_ptr->Length = segs[i].ds_len; 1550 sgl_ptr->Flags = 0; 1551 if (sc->mrsas_gen3_ctrl || sc->is_ventura || sc->is_aero) { 1552 if (i == nseg - 1) 1553 sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST; 1554 } 1555 sgl_ptr++; 1556 sg_processed = i + 1; 1557 if ((sg_processed == (sc->max_sge_in_main_msg - 1)) && 1558 (nseg > sc->max_sge_in_main_msg)) { 1559 pMpi25IeeeSgeChain64_t sg_chain; 1560 1561 if (sc->mrsas_gen3_ctrl || sc->is_ventura || sc->is_aero) { 1562 if ((cmd->io_request->IoFlags & MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) 1563 != MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) 1564 cmd->io_request->ChainOffset = sc->chain_offset_io_request; 1565 else 1566 cmd->io_request->ChainOffset = 0; 1567 } else 1568 cmd->io_request->ChainOffset = sc->chain_offset_io_request; 1569 sg_chain = sgl_ptr; 1570 if (sc->mrsas_gen3_ctrl || sc->is_ventura || sc->is_aero) 1571 sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT; 1572 else 1573 sg_chain->Flags = (IEEE_SGE_FLAGS_CHAIN_ELEMENT | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR); 1574 sg_chain->Length = (sizeof(MPI2_SGE_IO_UNION) * (nseg - sg_processed)); 1575 sg_chain->Address = cmd->chain_frame_phys_addr; 1576 sgl_ptr = (pMpi25IeeeSgeChain64_t)cmd->chain_frame; 1577 } 1578 } 1579 } 1580 } 1581 1582 /** 1583 * mrsas_build_prp_nvme - Prepare PRPs(Physical Region Page)- SGLs specific to NVMe drives only 1584 * @sc: Adapter soft state 1585 * @segs: OS SGEs pointers 1586 * @nseg: Number of OS SGEs 1587 * @cmd: Fusion command frame 1588 * return: void 1589 */ 1590 static void mrsas_build_prp_nvme(struct mrsas_mpt_cmd *cmd, bus_dma_segment_t *segs, int nseg) 1591 { 1592 struct mrsas_softc *sc = cmd->sc; 1593 int sge_len, offset, num_prp_in_chain = 0; 1594 pMpi25IeeeSgeChain64_t main_chain_element, ptr_first_sgl, sgl_ptr; 1595 u_int64_t *ptr_sgl; 1596 bus_addr_t ptr_sgl_phys; 1597 u_int64_t sge_addr; 1598 u_int32_t page_mask, page_mask_result, i = 0; 1599 u_int32_t first_prp_len; 1600 int data_len = cmd->length; 1601 u_int32_t mr_nvme_pg_size = max(sc->nvme_page_size, 1602 MR_DEFAULT_NVME_PAGE_SIZE); 1603 1604 sgl_ptr = (pMpi25IeeeSgeChain64_t) &cmd->io_request->SGL; 1605 /* 1606 * NVMe has a very convoluted PRP format. One PRP is required 1607 * for each page or partial page. We need to split up OS SG 1608 * entries if they are longer than one page or cross a page 1609 * boundary. We also have to insert a PRP list pointer entry as 1610 * the last entry in each physical page of the PRP list. 1611 * 1612 * NOTE: The first PRP "entry" is actually placed in the first 1613 * SGL entry in the main message in IEEE 64 format. The 2nd 1614 * entry in the main message is the chain element, and the rest 1615 * of the PRP entries are built in the contiguous PCIe buffer. 1616 */ 1617 page_mask = mr_nvme_pg_size - 1; 1618 ptr_sgl = (u_int64_t *) cmd->chain_frame; 1619 ptr_sgl_phys = cmd->chain_frame_phys_addr; 1620 memset(ptr_sgl, 0, sc->max_chain_frame_sz); 1621 1622 /* Build chain frame element which holds all PRPs except first*/ 1623 main_chain_element = (pMpi25IeeeSgeChain64_t) 1624 ((u_int8_t *)sgl_ptr + sizeof(MPI25_IEEE_SGE_CHAIN64)); 1625 1626 1627 main_chain_element->Address = cmd->chain_frame_phys_addr; 1628 main_chain_element->NextChainOffset = 0; 1629 main_chain_element->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT | 1630 IEEE_SGE_FLAGS_SYSTEM_ADDR | 1631 MPI26_IEEE_SGE_FLAGS_NSF_NVME_PRP; 1632 1633 1634 /* Build first PRP, SGE need not to be PAGE aligned*/ 1635 ptr_first_sgl = sgl_ptr; 1636 sge_addr = segs[i].ds_addr; 1637 sge_len = segs[i].ds_len; 1638 i++; 1639 1640 offset = (u_int32_t) (sge_addr & page_mask); 1641 first_prp_len = mr_nvme_pg_size - offset; 1642 1643 ptr_first_sgl->Address = sge_addr; 1644 ptr_first_sgl->Length = first_prp_len; 1645 1646 data_len -= first_prp_len; 1647 1648 if (sge_len > first_prp_len) { 1649 sge_addr += first_prp_len; 1650 sge_len -= first_prp_len; 1651 } else if (sge_len == first_prp_len) { 1652 sge_addr = segs[i].ds_addr; 1653 sge_len = segs[i].ds_len; 1654 i++; 1655 } 1656 1657 for (;;) { 1658 1659 offset = (u_int32_t) (sge_addr & page_mask); 1660 1661 /* Put PRP pointer due to page boundary*/ 1662 page_mask_result = (uintptr_t)(ptr_sgl + 1) & page_mask; 1663 if (!page_mask_result) { 1664 device_printf(sc->mrsas_dev, "BRCM: Put prp pointer as we are at page boundary" 1665 " ptr_sgl: 0x%p\n", ptr_sgl); 1666 ptr_sgl_phys++; 1667 *ptr_sgl = (uintptr_t)ptr_sgl_phys; 1668 ptr_sgl++; 1669 num_prp_in_chain++; 1670 } 1671 1672 *ptr_sgl = sge_addr; 1673 ptr_sgl++; 1674 ptr_sgl_phys++; 1675 num_prp_in_chain++; 1676 1677 1678 sge_addr += mr_nvme_pg_size; 1679 sge_len -= mr_nvme_pg_size; 1680 data_len -= mr_nvme_pg_size; 1681 1682 if (data_len <= 0) 1683 break; 1684 1685 if (sge_len > 0) 1686 continue; 1687 1688 sge_addr = segs[i].ds_addr; 1689 sge_len = segs[i].ds_len; 1690 i++; 1691 } 1692 1693 main_chain_element->Length = num_prp_in_chain * sizeof(u_int64_t); 1694 mrsas_atomic_inc(&sc->prp_count); 1695 1696 } 1697 1698 /* 1699 * mrsas_data_load_cb: Callback entry point to build SGLs 1700 * input: Pointer to command packet as argument 1701 * Pointer to segment 1702 * Number of segments Error 1703 * 1704 * This is the callback function of the bus dma map load. It builds SG list 1705 */ 1706 static void 1707 mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error) 1708 { 1709 struct mrsas_mpt_cmd *cmd = (struct mrsas_mpt_cmd *)arg; 1710 struct mrsas_softc *sc = cmd->sc; 1711 boolean_t build_prp = false; 1712 1713 if (error) { 1714 cmd->error_code = error; 1715 device_printf(sc->mrsas_dev, "mrsas_data_load_cb_prp: error=%d\n", error); 1716 if (error == EFBIG) { 1717 cmd->ccb_ptr->ccb_h.status = CAM_REQ_TOO_BIG; 1718 return; 1719 } 1720 } 1721 if (cmd->flags & MRSAS_DIR_IN) 1722 bus_dmamap_sync(cmd->sc->data_tag, cmd->data_dmamap, 1723 BUS_DMASYNC_PREREAD); 1724 if (cmd->flags & MRSAS_DIR_OUT) 1725 bus_dmamap_sync(cmd->sc->data_tag, cmd->data_dmamap, 1726 BUS_DMASYNC_PREWRITE); 1727 if (nseg > sc->max_num_sge) { 1728 device_printf(sc->mrsas_dev, "SGE count is too large or 0.\n"); 1729 return; 1730 } 1731 1732 /* Check for whether PRPs should be built or IEEE SGLs*/ 1733 if ((cmd->io_request->IoFlags & MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) && 1734 (cmd->pdInterface == NVME_PD)) 1735 build_prp = mrsas_is_prp_possible(cmd, segs, nseg); 1736 1737 if (build_prp == true) 1738 mrsas_build_prp_nvme(cmd, segs, nseg); 1739 else 1740 mrsas_build_ieee_sgl(cmd, segs, nseg); 1741 1742 cmd->sge_count = nseg; 1743 } 1744 1745 /* 1746 * mrsas_freeze_simq: Freeze SIM queue 1747 * input: Pointer to command packet 1748 * Pointer to SIM 1749 * 1750 * This function freezes the sim queue. 1751 */ 1752 static void 1753 mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim) 1754 { 1755 union ccb *ccb = (union ccb *)(cmd->ccb_ptr); 1756 1757 xpt_freeze_simq(sim, 1); 1758 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 1759 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1760 } 1761 1762 void 1763 mrsas_xpt_freeze(struct mrsas_softc *sc) 1764 { 1765 xpt_freeze_simq(sc->sim_0, 1); 1766 xpt_freeze_simq(sc->sim_1, 1); 1767 } 1768 1769 void 1770 mrsas_xpt_release(struct mrsas_softc *sc) 1771 { 1772 xpt_release_simq(sc->sim_0, 1); 1773 xpt_release_simq(sc->sim_1, 1); 1774 } 1775 1776 /* 1777 * mrsas_cmd_done: Perform remaining command completion 1778 * input: Adapter instance soft state Pointer to command packet 1779 * 1780 * This function calls ummap request and releases the MPT command. 1781 */ 1782 void 1783 mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd) 1784 { 1785 mrsas_unmap_request(sc, cmd); 1786 1787 mtx_lock(&sc->sim_lock); 1788 if (cmd->callout_owner) { 1789 callout_stop(&cmd->cm_callout); 1790 cmd->callout_owner = false; 1791 } 1792 xpt_done(cmd->ccb_ptr); 1793 cmd->ccb_ptr = NULL; 1794 mtx_unlock(&sc->sim_lock); 1795 mrsas_release_mpt_cmd(cmd); 1796 } 1797 1798 /* 1799 * mrsas_cam_poll: Polling entry point 1800 * input: Pointer to SIM 1801 * 1802 * This is currently a stub function. 1803 */ 1804 static void 1805 mrsas_cam_poll(struct cam_sim *sim) 1806 { 1807 int i; 1808 struct mrsas_softc *sc = (struct mrsas_softc *)cam_sim_softc(sim); 1809 1810 if (sc->msix_vectors != 0){ 1811 for (i=0; i<sc->msix_vectors; i++){ 1812 mrsas_complete_cmd(sc, i); 1813 } 1814 } else { 1815 mrsas_complete_cmd(sc, 0); 1816 } 1817 } 1818 1819 /* 1820 * mrsas_bus_scan: Perform bus scan 1821 * input: Adapter instance soft state 1822 * 1823 * This mrsas_bus_scan function is needed for FreeBSD 7.x. Also, it should not 1824 * be called in FreeBSD 8.x and later versions, where the bus scan is 1825 * automatic. 1826 */ 1827 int 1828 mrsas_bus_scan(struct mrsas_softc *sc) 1829 { 1830 union ccb *ccb_0; 1831 union ccb *ccb_1; 1832 1833 if ((ccb_0 = xpt_alloc_ccb()) == NULL) { 1834 return (ENOMEM); 1835 } 1836 if ((ccb_1 = xpt_alloc_ccb()) == NULL) { 1837 xpt_free_ccb(ccb_0); 1838 return (ENOMEM); 1839 } 1840 mtx_lock(&sc->sim_lock); 1841 if (xpt_create_path(&ccb_0->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_0), 1842 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1843 xpt_free_ccb(ccb_0); 1844 xpt_free_ccb(ccb_1); 1845 mtx_unlock(&sc->sim_lock); 1846 return (EIO); 1847 } 1848 if (xpt_create_path(&ccb_1->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_1), 1849 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1850 xpt_free_ccb(ccb_0); 1851 xpt_free_ccb(ccb_1); 1852 mtx_unlock(&sc->sim_lock); 1853 return (EIO); 1854 } 1855 mtx_unlock(&sc->sim_lock); 1856 xpt_rescan(ccb_0); 1857 xpt_rescan(ccb_1); 1858 1859 return (0); 1860 } 1861 1862 /* 1863 * mrsas_bus_scan_sim: Perform bus scan per SIM 1864 * input: adapter instance soft state 1865 * 1866 * This function will be called from Event handler on LD creation/deletion, 1867 * JBOD on/off. 1868 */ 1869 int 1870 mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim) 1871 { 1872 union ccb *ccb; 1873 1874 if ((ccb = xpt_alloc_ccb()) == NULL) { 1875 return (ENOMEM); 1876 } 1877 mtx_lock(&sc->sim_lock); 1878 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, cam_sim_path(sim), 1879 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1880 xpt_free_ccb(ccb); 1881 mtx_unlock(&sc->sim_lock); 1882 return (EIO); 1883 } 1884 mtx_unlock(&sc->sim_lock); 1885 xpt_rescan(ccb); 1886 1887 return (0); 1888 } 1889 1890 /* 1891 * mrsas_track_scsiio: Track IOs for a given target in the mpt_cmd_list 1892 * input: Adapter instance soft state 1893 * Target ID of target 1894 * Bus ID of the target 1895 * 1896 * This function checks for any pending IO in the whole mpt_cmd_list pool 1897 * with the bus_id and target_id passed in arguments. If some IO is found 1898 * that means target reset is not successfully completed. 1899 * 1900 * Returns FAIL if IOs pending to the target device, else return SUCCESS 1901 */ 1902 static int 1903 mrsas_track_scsiio(struct mrsas_softc *sc, target_id_t tgt_id, u_int32_t bus_id) 1904 { 1905 int i; 1906 struct mrsas_mpt_cmd *mpt_cmd = NULL; 1907 1908 for (i = 0 ; i < sc->max_fw_cmds; i++) { 1909 mpt_cmd = sc->mpt_cmd_list[i]; 1910 1911 /* 1912 * Check if the target_id and bus_id is same as the timeout IO 1913 */ 1914 if (mpt_cmd->ccb_ptr) { 1915 /* bus_id = 1 denotes a VD */ 1916 if (bus_id == 1) 1917 tgt_id = 1918 (mpt_cmd->ccb_ptr->ccb_h.target_id - (MRSAS_MAX_PD - 1)); 1919 1920 if (mpt_cmd->ccb_ptr->cpi.bus_id == bus_id && 1921 mpt_cmd->ccb_ptr->ccb_h.target_id == tgt_id) { 1922 device_printf(sc->mrsas_dev, 1923 "IO commands pending to target id %d\n", tgt_id); 1924 return FAIL; 1925 } 1926 } 1927 } 1928 1929 return SUCCESS; 1930 } 1931 1932 #if TM_DEBUG 1933 /* 1934 * mrsas_tm_response_code: Prints TM response code received from FW 1935 * input: Adapter instance soft state 1936 * MPI reply returned from firmware 1937 * 1938 * Returns nothing. 1939 */ 1940 static void 1941 mrsas_tm_response_code(struct mrsas_softc *sc, 1942 MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply) 1943 { 1944 char *desc; 1945 1946 switch (mpi_reply->ResponseCode) { 1947 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: 1948 desc = "task management request completed"; 1949 break; 1950 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: 1951 desc = "invalid frame"; 1952 break; 1953 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: 1954 desc = "task management request not supported"; 1955 break; 1956 case MPI2_SCSITASKMGMT_RSP_TM_FAILED: 1957 desc = "task management request failed"; 1958 break; 1959 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: 1960 desc = "task management request succeeded"; 1961 break; 1962 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: 1963 desc = "invalid lun"; 1964 break; 1965 case 0xA: 1966 desc = "overlapped tag attempted"; 1967 break; 1968 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: 1969 desc = "task queued, however not sent to target"; 1970 break; 1971 default: 1972 desc = "unknown"; 1973 break; 1974 } 1975 device_printf(sc->mrsas_dev, "response_code(%01x): %s\n", 1976 mpi_reply->ResponseCode, desc); 1977 device_printf(sc->mrsas_dev, 1978 "TerminationCount/DevHandle/Function/TaskType/IOCStat/IOCLoginfo\n" 1979 "0x%x/0x%x/0x%x/0x%x/0x%x/0x%x\n", 1980 mpi_reply->TerminationCount, mpi_reply->DevHandle, 1981 mpi_reply->Function, mpi_reply->TaskType, 1982 mpi_reply->IOCStatus, mpi_reply->IOCLogInfo); 1983 } 1984 #endif 1985 1986 /* 1987 * mrsas_issue_tm: Fires the TM command to FW and waits for completion 1988 * input: Adapter instance soft state 1989 * reqest descriptor compiled by mrsas_reset_targets 1990 * 1991 * Returns FAIL if TM command TIMEDOUT from FW else SUCCESS. 1992 */ 1993 static int 1994 mrsas_issue_tm(struct mrsas_softc *sc, 1995 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc) 1996 { 1997 int sleep_stat; 1998 1999 mrsas_fire_cmd(sc, req_desc->addr.u.low, req_desc->addr.u.high); 2000 sleep_stat = msleep(&sc->ocr_chan, &sc->sim_lock, PRIBIO, "tm_sleep", 50*hz); 2001 2002 if (sleep_stat == EWOULDBLOCK) { 2003 device_printf(sc->mrsas_dev, "tm cmd TIMEDOUT\n"); 2004 return FAIL; 2005 } 2006 2007 return SUCCESS; 2008 } 2009 2010 /* 2011 * mrsas_reset_targets : Gathers info to fire a target reset command 2012 * input: Adapter instance soft state 2013 * 2014 * This function compiles data for a target reset command to be fired to the FW 2015 * and then traverse the target_reset_pool to see targets with TIMEDOUT IOs. 2016 * 2017 * Returns SUCCESS or FAIL 2018 */ 2019 int mrsas_reset_targets(struct mrsas_softc *sc) 2020 { 2021 struct mrsas_mpt_cmd *tm_mpt_cmd = NULL; 2022 struct mrsas_mpt_cmd *tgt_mpt_cmd = NULL; 2023 MR_TASK_MANAGE_REQUEST *mr_request; 2024 MPI2_SCSI_TASK_MANAGE_REQUEST *tm_mpi_request; 2025 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc; 2026 int retCode = FAIL, count, i, outstanding; 2027 u_int32_t MSIxIndex, bus_id; 2028 target_id_t tgt_id; 2029 #if TM_DEBUG 2030 MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply; 2031 #endif 2032 2033 outstanding = mrsas_atomic_read(&sc->fw_outstanding); 2034 2035 if (!outstanding) { 2036 device_printf(sc->mrsas_dev, "NO IOs pending...\n"); 2037 mrsas_atomic_set(&sc->target_reset_outstanding, 0); 2038 retCode = SUCCESS; 2039 goto return_status; 2040 } else if (sc->adprecovery != MRSAS_HBA_OPERATIONAL) { 2041 device_printf(sc->mrsas_dev, "Controller is not operational\n"); 2042 goto return_status; 2043 } else { 2044 /* Some more error checks will be added in future */ 2045 } 2046 2047 /* Get an mpt frame and an index to fire the TM cmd */ 2048 tm_mpt_cmd = mrsas_get_mpt_cmd(sc); 2049 if (!tm_mpt_cmd) { 2050 retCode = FAIL; 2051 goto return_status; 2052 } 2053 2054 req_desc = mrsas_get_request_desc(sc, (tm_mpt_cmd->index) - 1); 2055 if (!req_desc) { 2056 device_printf(sc->mrsas_dev, "Cannot get request_descriptor for tm.\n"); 2057 retCode = FAIL; 2058 goto release_mpt; 2059 } 2060 memset(req_desc, 0, sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION)); 2061 2062 req_desc->HighPriority.SMID = tm_mpt_cmd->index; 2063 req_desc->HighPriority.RequestFlags = 2064 (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY << 2065 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 2066 req_desc->HighPriority.MSIxIndex = 0; 2067 req_desc->HighPriority.LMID = 0; 2068 req_desc->HighPriority.Reserved1 = 0; 2069 tm_mpt_cmd->request_desc = req_desc; 2070 2071 mr_request = (MR_TASK_MANAGE_REQUEST *) tm_mpt_cmd->io_request; 2072 memset(mr_request, 0, sizeof(MR_TASK_MANAGE_REQUEST)); 2073 2074 tm_mpi_request = (MPI2_SCSI_TASK_MANAGE_REQUEST *) &mr_request->TmRequest; 2075 tm_mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; 2076 tm_mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; 2077 tm_mpi_request->TaskMID = 0; /* smid task */ 2078 tm_mpi_request->LUN[1] = 0; 2079 2080 /* Traverse the tm_mpt pool to get valid entries */ 2081 for (i = 0 ; i < MRSAS_MAX_TM_TARGETS; i++) { 2082 if(!sc->target_reset_pool[i]) { 2083 continue; 2084 } else { 2085 tgt_mpt_cmd = sc->target_reset_pool[i]; 2086 } 2087 2088 tgt_id = i; 2089 2090 /* See if the target is tm capable or NOT */ 2091 if (!tgt_mpt_cmd->tmCapable) { 2092 device_printf(sc->mrsas_dev, "Task management NOT SUPPORTED for " 2093 "CAM target:%d\n", tgt_id); 2094 2095 retCode = FAIL; 2096 goto release_mpt; 2097 } 2098 2099 tm_mpi_request->DevHandle = tgt_mpt_cmd->io_request->DevHandle; 2100 2101 if (i < (MRSAS_MAX_PD - 1)) { 2102 mr_request->uTmReqReply.tmReqFlags.isTMForPD = 1; 2103 bus_id = 0; 2104 } else { 2105 mr_request->uTmReqReply.tmReqFlags.isTMForLD = 1; 2106 bus_id = 1; 2107 } 2108 2109 device_printf(sc->mrsas_dev, "TM will be fired for " 2110 "CAM target:%d and bus_id %d\n", tgt_id, bus_id); 2111 2112 sc->ocr_chan = (void *)&tm_mpt_cmd; 2113 retCode = mrsas_issue_tm(sc, req_desc); 2114 if (retCode == FAIL) 2115 goto release_mpt; 2116 2117 #if TM_DEBUG 2118 mpi_reply = 2119 (MPI2_SCSI_TASK_MANAGE_REPLY *) &mr_request->uTmReqReply.TMReply; 2120 mrsas_tm_response_code(sc, mpi_reply); 2121 #endif 2122 mrsas_atomic_dec(&sc->target_reset_outstanding); 2123 sc->target_reset_pool[i] = NULL; 2124 2125 /* Check for pending cmds in the mpt_cmd_pool with the tgt_id */ 2126 mrsas_disable_intr(sc); 2127 /* Wait for 1 second to complete parallel ISR calling same 2128 * mrsas_complete_cmd() 2129 */ 2130 msleep(&sc->ocr_chan, &sc->sim_lock, PRIBIO, "mrsas_reset_wakeup", 2131 1 * hz); 2132 count = sc->msix_vectors > 0 ? sc->msix_vectors : 1; 2133 mtx_unlock(&sc->sim_lock); 2134 for (MSIxIndex = 0; MSIxIndex < count; MSIxIndex++) 2135 mrsas_complete_cmd(sc, MSIxIndex); 2136 mtx_lock(&sc->sim_lock); 2137 retCode = mrsas_track_scsiio(sc, tgt_id, bus_id); 2138 mrsas_enable_intr(sc); 2139 2140 if (retCode == FAIL) 2141 goto release_mpt; 2142 } 2143 2144 device_printf(sc->mrsas_dev, "Number of targets outstanding " 2145 "after reset: %d\n", mrsas_atomic_read(&sc->target_reset_outstanding)); 2146 2147 release_mpt: 2148 mrsas_release_mpt_cmd(tm_mpt_cmd); 2149 return_status: 2150 device_printf(sc->mrsas_dev, "target reset %s!!\n", 2151 (retCode == SUCCESS) ? "SUCCESS" : "FAIL"); 2152 2153 return retCode; 2154 } 2155 2156