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 */ 59int mrsas_cam_attach(struct mrsas_softc *sc); 60int mrsas_find_io_type(struct cam_sim *sim, union ccb *ccb); 61int mrsas_bus_scan(struct mrsas_softc *sc); 62int mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim); 63int 64mrsas_map_request(struct mrsas_softc *sc, 65 struct mrsas_mpt_cmd *cmd, union ccb *ccb); 66int 67mrsas_build_ldio_rw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 68 union ccb *ccb); 69int 70mrsas_build_ldio_nonrw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 71 union ccb *ccb); 72int 73mrsas_build_syspdio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 74 union ccb *ccb, struct cam_sim *sim, u_int8_t fp_possible); 75int 76mrsas_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); 79void mrsas_xpt_freeze(struct mrsas_softc *sc); 80void mrsas_xpt_release(struct mrsas_softc *sc); 81void mrsas_cam_detach(struct mrsas_softc *sc); 82void mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd); 83void mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd); 84void mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd); 85void 86mrsas_fire_cmd(struct mrsas_softc *sc, u_int32_t req_desc_lo, 87 u_int32_t req_desc_hi); 88void 89mrsas_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); 93static void mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim); 94static void mrsas_cam_poll(struct cam_sim *sim); 95static void mrsas_action(struct cam_sim *sim, union ccb *ccb); 96static void mrsas_scsiio_timeout(void *data); 97static int mrsas_track_scsiio(struct mrsas_softc *sc, target_id_t id, u_int32_t bus_id); 98static void mrsas_tm_response_code(struct mrsas_softc *sc, 99 MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply); 100static int mrsas_issue_tm(struct mrsas_softc *sc, 101 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc); 102static void 103mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs, 104 int nseg, int error); 105static int32_t 106mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim, 107 union ccb *ccb); 108 109static boolean_t mrsas_is_prp_possible(struct mrsas_mpt_cmd *cmd, 110 bus_dma_segment_t *segs, int nsegs); 111static void mrsas_build_ieee_sgl(struct mrsas_mpt_cmd *cmd, 112 bus_dma_segment_t *segs, int nseg); 113static void mrsas_build_prp_nvme(struct mrsas_mpt_cmd *cmd, 114 bus_dma_segment_t *segs, int nseg); 115 116struct mrsas_mpt_cmd *mrsas_get_mpt_cmd(struct mrsas_softc *sc); 117MRSAS_REQUEST_DESCRIPTOR_UNION * 118 mrsas_get_request_desc(struct mrsas_softc *sc, u_int16_t index); 119 120extern int mrsas_reset_targets(struct mrsas_softc *sc); 121extern u_int16_t MR_TargetIdToLdGet(u_int32_t ldTgtId, MR_DRV_RAID_MAP_ALL * map); 122extern u_int32_t 123MR_LdBlockSizeGet(u_int32_t ldTgtId, MR_DRV_RAID_MAP_ALL * map); 124extern void mrsas_isr(void *arg); 125extern void mrsas_aen_handler(struct mrsas_softc *sc); 126extern u_int8_t 127MR_BuildRaidContext(struct mrsas_softc *sc, 128 struct IO_REQUEST_INFO *io_info, RAID_CONTEXT * pRAID_Context, 129 MR_DRV_RAID_MAP_ALL * map); 130extern u_int16_t 131MR_LdSpanArrayGet(u_int32_t ld, u_int32_t span, 132 MR_DRV_RAID_MAP_ALL * map); 133extern u_int16_t 134mrsas_get_updated_dev_handle(struct mrsas_softc *sc, 135 PLD_LOAD_BALANCE_INFO lbInfo, struct IO_REQUEST_INFO *io_info); 136extern int mrsas_complete_cmd(struct mrsas_softc *sc, u_int32_t MSIxIndex); 137extern MR_LD_RAID *MR_LdRaidGet(u_int32_t ld, MR_DRV_RAID_MAP_ALL * map); 138extern void mrsas_disable_intr(struct mrsas_softc *sc); 139extern void mrsas_enable_intr(struct mrsas_softc *sc); 140void 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 */ 151int 152mrsas_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 */ 240void 241mrsas_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 */ 269static void 270mrsas_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 */ 397static void 398mrsas_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 */ 453static int32_t 454mrsas_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 |= htole32(MPI2_SCSIIO_CONTROL_READ); 627 else if (cmd->flags == MRSAS_DIR_OUT) /* to device */ 628 cmd->io_request->Control |= htole32(MPI2_SCSIIO_CONTROL_WRITE); 629 630 cmd->io_request->SGLFlags = htole16(MPI2_SGE_FLAGS_64_BIT_ADDRESSING); 631 cmd->io_request->SGLOffset0 = offsetof(MRSAS_RAID_SCSI_IO_REQUEST, SGL) / 4; 632 cmd->io_request->SenseBufferLowAddress = htole32(cmd->sense_phys_addr & 0xFFFFFFFF); 633 cmd->io_request->SenseBufferLength = MRSAS_SCSI_SENSE_BUFFERSIZE; 634 635 req_desc = cmd->request_desc; 636 req_desc->SCSIIO.SMID = htole16(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 678done: 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 */ 691int 692mrsas_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 */ 720struct mrsas_mpt_cmd * 721mrsas_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; 740out: 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 */ 751void 752mrsas_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 */ 776MRSAS_REQUEST_DESCRIPTOR_UNION * 777mrsas_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/* mrsas_prepare_secondRaid1_IO 788 * It prepares the raid 1 second IO 789 */ 790void 791mrsas_prepare_secondRaid1_IO(struct mrsas_softc *sc, 792 struct mrsas_mpt_cmd *cmd) 793{ 794 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc, *req_desc2 = NULL; 795 struct mrsas_mpt_cmd *r1_cmd; 796 797 r1_cmd = cmd->peer_cmd; 798 req_desc = cmd->request_desc; 799 800 /* 801 * copy the io request frame as well as 8 SGEs data for r1 802 * command 803 */ 804 memcpy(r1_cmd->io_request, cmd->io_request, 805 (sizeof(MRSAS_RAID_SCSI_IO_REQUEST))); 806 memcpy(&r1_cmd->io_request->SGL, &cmd->io_request->SGL, 807 (sc->max_sge_in_main_msg * sizeof(MPI2_SGE_IO_UNION))); 808 809 /* sense buffer is different for r1 command */ 810 r1_cmd->io_request->SenseBufferLowAddress = htole32(r1_cmd->sense_phys_addr & 0xFFFFFFFF); 811 r1_cmd->ccb_ptr = cmd->ccb_ptr; 812 813 req_desc2 = mrsas_get_request_desc(sc, r1_cmd->index - 1); 814 req_desc2->addr.Words = 0; 815 r1_cmd->request_desc = req_desc2; 816 req_desc2->SCSIIO.SMID = r1_cmd->index; 817 req_desc2->SCSIIO.RequestFlags = req_desc->SCSIIO.RequestFlags; 818 r1_cmd->request_desc->SCSIIO.DevHandle = cmd->r1_alt_dev_handle; 819 r1_cmd->r1_alt_dev_handle = cmd->io_request->DevHandle; 820 r1_cmd->io_request->DevHandle = cmd->r1_alt_dev_handle; 821 cmd->io_request->RaidContext.raid_context_g35.smid.peerSMID = 822 r1_cmd->index; 823 r1_cmd->io_request->RaidContext.raid_context_g35.smid.peerSMID = 824 cmd->index; 825 /* 826 * MSIxIndex of both commands request descriptors 827 * should be same 828 */ 829 r1_cmd->request_desc->SCSIIO.MSIxIndex = cmd->request_desc->SCSIIO.MSIxIndex; 830 /* span arm is different for r1 cmd */ 831 r1_cmd->io_request->RaidContext.raid_context_g35.spanArm = 832 cmd->io_request->RaidContext.raid_context_g35.spanArm + 1; 833 834} 835 836/* 837 * mrsas_build_ldio_rw: Builds an LDIO command 838 * input: Adapter instance soft state 839 * Pointer to command packet 840 * Pointer to CCB 841 * 842 * This function builds the LDIO command packet. It returns 0 if the command is 843 * built successfully, otherwise it returns a 1. 844 */ 845int 846mrsas_build_ldio_rw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 847 union ccb *ccb) 848{ 849 struct ccb_hdr *ccb_h = &(ccb->ccb_h); 850 struct ccb_scsiio *csio = &(ccb->csio); 851 u_int32_t device_id; 852 MRSAS_RAID_SCSI_IO_REQUEST *io_request; 853 854 device_id = ccb_h->target_id; 855 856 io_request = cmd->io_request; 857 io_request->RaidContext.raid_context.VirtualDiskTgtId = htole16(device_id); 858 io_request->RaidContext.raid_context.status = 0; 859 io_request->RaidContext.raid_context.exStatus = 0; 860 861 /* just the cdb len, other flags zero, and ORed-in later for FP */ 862 io_request->IoFlags = htole16(csio->cdb_len); 863 864 if (mrsas_setup_io(sc, cmd, ccb, device_id, io_request) != SUCCESS) 865 device_printf(sc->mrsas_dev, "Build ldio or fpio error\n"); 866 867 io_request->DataLength = htole32(cmd->length); 868 869 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) { 870 if (cmd->sge_count > sc->max_num_sge) { 871 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds" 872 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge); 873 return (FAIL); 874 } 875 if (sc->is_ventura || sc->is_aero) 876 io_request->RaidContext.raid_context_g35.numSGE = cmd->sge_count; 877 else { 878 /* 879 * numSGE store lower 8 bit of sge_count. numSGEExt store 880 * higher 8 bit of sge_count 881 */ 882 io_request->RaidContext.raid_context.numSGE = cmd->sge_count; 883 io_request->RaidContext.raid_context.numSGEExt = (uint8_t)(cmd->sge_count >> 8); 884 } 885 886 } else { 887 device_printf(sc->mrsas_dev, "Data map/load failed.\n"); 888 return (FAIL); 889 } 890 return (0); 891} 892 893/* stream detection on read and and write IOs */ 894static void 895mrsas_stream_detect(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 896 struct IO_REQUEST_INFO *io_info) 897{ 898 u_int32_t device_id = io_info->ldTgtId; 899 LD_STREAM_DETECT *current_ld_SD = sc->streamDetectByLD[device_id]; 900 u_int32_t *track_stream = ¤t_ld_SD->mruBitMap; 901 u_int32_t streamNum, shiftedValues, unshiftedValues; 902 u_int32_t indexValueMask, shiftedValuesMask; 903 int i; 904 boolean_t isReadAhead = false; 905 STREAM_DETECT *current_SD; 906 907 /* find possible stream */ 908 for (i = 0; i < MAX_STREAMS_TRACKED; ++i) { 909 streamNum = (*track_stream >> (i * BITS_PER_INDEX_STREAM)) & 910 STREAM_MASK; 911 current_SD = ¤t_ld_SD->streamTrack[streamNum]; 912 /* 913 * if we found a stream, update the raid context and 914 * also update the mruBitMap 915 */ 916 if (current_SD->nextSeqLBA && 917 io_info->ldStartBlock >= current_SD->nextSeqLBA && 918 (io_info->ldStartBlock <= (current_SD->nextSeqLBA+32)) && 919 (current_SD->isRead == io_info->isRead)) { 920 if (io_info->ldStartBlock != current_SD->nextSeqLBA && 921 (!io_info->isRead || !isReadAhead)) { 922 /* 923 * Once the API availible we need to change this. 924 * At this point we are not allowing any gap 925 */ 926 continue; 927 } 928 cmd->io_request->RaidContext.raid_context_g35.streamDetected = TRUE; 929 current_SD->nextSeqLBA = io_info->ldStartBlock + io_info->numBlocks; 930 /* 931 * update the mruBitMap LRU 932 */ 933 shiftedValuesMask = (1 << i * BITS_PER_INDEX_STREAM) - 1 ; 934 shiftedValues = ((*track_stream & shiftedValuesMask) << 935 BITS_PER_INDEX_STREAM); 936 indexValueMask = STREAM_MASK << i * BITS_PER_INDEX_STREAM; 937 unshiftedValues = (*track_stream) & 938 (~(shiftedValuesMask | indexValueMask)); 939 *track_stream = 940 (unshiftedValues | shiftedValues | streamNum); 941 return; 942 } 943 } 944 /* 945 * if we did not find any stream, create a new one from the least recently used 946 */ 947 streamNum = (*track_stream >> 948 ((MAX_STREAMS_TRACKED - 1) * BITS_PER_INDEX_STREAM)) & STREAM_MASK; 949 current_SD = ¤t_ld_SD->streamTrack[streamNum]; 950 current_SD->isRead = io_info->isRead; 951 current_SD->nextSeqLBA = io_info->ldStartBlock + io_info->numBlocks; 952 *track_stream = (((*track_stream & ZERO_LAST_STREAM) << 4) | streamNum); 953 return; 954} 955 956/* 957 * mrsas_setup_io: Set up data including Fast Path I/O 958 * input: Adapter instance soft state 959 * Pointer to command packet 960 * Pointer to CCB 961 * 962 * This function builds the DCDB inquiry command. It returns 0 if the command 963 * is built successfully, otherwise it returns a 1. 964 */ 965int 966mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 967 union ccb *ccb, u_int32_t device_id, 968 MRSAS_RAID_SCSI_IO_REQUEST * io_request) 969{ 970 struct ccb_hdr *ccb_h = &(ccb->ccb_h); 971 struct ccb_scsiio *csio = &(ccb->csio); 972 struct IO_REQUEST_INFO io_info; 973 MR_DRV_RAID_MAP_ALL *map_ptr; 974 struct mrsas_mpt_cmd *r1_cmd = NULL; 975 976 MR_LD_RAID *raid; 977 u_int8_t fp_possible; 978 u_int32_t start_lba_hi, start_lba_lo, ld_block_size, ld; 979 u_int32_t datalength = 0; 980 981 io_request->RaidContext.raid_context.VirtualDiskTgtId = htole16(device_id); 982 983 start_lba_lo = 0; 984 start_lba_hi = 0; 985 fp_possible = 0; 986 987 /* 988 * READ_6 (0x08) or WRITE_6 (0x0A) cdb 989 */ 990 if (csio->cdb_len == 6) { 991 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[4]; 992 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[1] << 16) | 993 ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 8) | 994 (u_int32_t)csio->cdb_io.cdb_bytes[3]; 995 start_lba_lo &= 0x1FFFFF; 996 } 997 /* 998 * READ_10 (0x28) or WRITE_6 (0x2A) cdb 999 */ 1000 else if (csio->cdb_len == 10) { 1001 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[8] | 1002 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 8); 1003 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) | 1004 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) | 1005 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 | 1006 ((u_int32_t)csio->cdb_io.cdb_bytes[5]); 1007 } 1008 /* 1009 * READ_12 (0xA8) or WRITE_12 (0xAA) cdb 1010 */ 1011 else if (csio->cdb_len == 12) { 1012 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[6] << 24 | 1013 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 16) | 1014 ((u_int32_t)csio->cdb_io.cdb_bytes[8] << 8) | 1015 ((u_int32_t)csio->cdb_io.cdb_bytes[9]); 1016 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) | 1017 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) | 1018 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 | 1019 ((u_int32_t)csio->cdb_io.cdb_bytes[5]); 1020 } 1021 /* 1022 * READ_16 (0x88) or WRITE_16 (0xx8A) cdb 1023 */ 1024 else if (csio->cdb_len == 16) { 1025 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[10] << 24 | 1026 ((u_int32_t)csio->cdb_io.cdb_bytes[11] << 16) | 1027 ((u_int32_t)csio->cdb_io.cdb_bytes[12] << 8) | 1028 ((u_int32_t)csio->cdb_io.cdb_bytes[13]); 1029 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[6] << 24) | 1030 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 16) | 1031 (u_int32_t)csio->cdb_io.cdb_bytes[8] << 8 | 1032 ((u_int32_t)csio->cdb_io.cdb_bytes[9]); 1033 start_lba_hi = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) | 1034 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) | 1035 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 | 1036 ((u_int32_t)csio->cdb_io.cdb_bytes[5]); 1037 } 1038 memset(&io_info, 0, sizeof(struct IO_REQUEST_INFO)); 1039 io_info.ldStartBlock = ((u_int64_t)start_lba_hi << 32) | start_lba_lo; 1040 io_info.numBlocks = datalength; 1041 io_info.ldTgtId = device_id; 1042 io_info.r1_alt_dev_handle = MR_DEVHANDLE_INVALID; 1043 1044 io_request->DataLength = htole32(cmd->length); 1045 1046 switch (ccb_h->flags & CAM_DIR_MASK) { 1047 case CAM_DIR_IN: 1048 io_info.isRead = 1; 1049 break; 1050 case CAM_DIR_OUT: 1051 io_info.isRead = 0; 1052 break; 1053 case CAM_DIR_NONE: 1054 default: 1055 mrsas_dprint(sc, MRSAS_TRACE, "From %s : DMA Flag is %d \n", __func__, ccb_h->flags & CAM_DIR_MASK); 1056 break; 1057 } 1058 1059 map_ptr = sc->ld_drv_map[(sc->map_id & 1)]; 1060 ld_block_size = MR_LdBlockSizeGet(device_id, map_ptr); 1061 1062 ld = MR_TargetIdToLdGet(device_id, map_ptr); 1063 if ((ld >= MAX_LOGICAL_DRIVES_EXT) || (!sc->fast_path_io)) { 1064 io_request->RaidContext.raid_context.regLockFlags = 0; 1065 fp_possible = 0; 1066 } else { 1067 if (MR_BuildRaidContext(sc, &io_info, &io_request->RaidContext.raid_context, map_ptr)) 1068 fp_possible = io_info.fpOkForIo; 1069 } 1070 1071 raid = MR_LdRaidGet(ld, map_ptr); 1072 /* Store the TM capability value in cmd */ 1073 cmd->tmCapable = raid->capability.tmCapable; 1074 1075 cmd->request_desc->SCSIIO.MSIxIndex = 1076 sc->msix_vectors ? smp_processor_id() % sc->msix_vectors : 0; 1077 1078 if (sc->is_ventura || sc->is_aero) { 1079 if (sc->streamDetectByLD) { 1080 mtx_lock(&sc->stream_lock); 1081 mrsas_stream_detect(sc, cmd, &io_info); 1082 mtx_unlock(&sc->stream_lock); 1083 /* In ventura if stream detected for a read and 1084 * it is read ahead capable make this IO as LDIO */ 1085 if (io_request->RaidContext.raid_context_g35.streamDetected && 1086 io_info.isRead && io_info.raCapable) 1087 fp_possible = FALSE; 1088 } 1089 1090 /* Set raid 1/10 fast path write capable bit in io_info. 1091 * Note - reset peer_cmd and r1_alt_dev_handle if fp_possible 1092 * disabled after this point. Try not to add more check for 1093 * fp_possible toggle after this. 1094 */ 1095 if (fp_possible && 1096 (io_info.r1_alt_dev_handle != MR_DEVHANDLE_INVALID) && 1097 (raid->level == 1) && !io_info.isRead) { 1098 r1_cmd = mrsas_get_mpt_cmd(sc); 1099 if (mrsas_atomic_inc_return(&sc->fw_outstanding) > sc->max_scsi_cmds) { 1100 fp_possible = FALSE; 1101 mrsas_atomic_dec(&sc->fw_outstanding); 1102 } else { 1103 r1_cmd = mrsas_get_mpt_cmd(sc); 1104 if (!r1_cmd) { 1105 fp_possible = FALSE; 1106 mrsas_atomic_dec(&sc->fw_outstanding); 1107 } 1108 else { 1109 cmd->peer_cmd = r1_cmd; 1110 r1_cmd->peer_cmd = cmd; 1111 } 1112 } 1113 } 1114 } 1115 1116 if (fp_possible) { 1117 mrsas_set_pd_lba(io_request, csio->cdb_len, &io_info, ccb, map_ptr, 1118 start_lba_lo, ld_block_size); 1119 io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; 1120 cmd->request_desc->SCSIIO.RequestFlags = 1121 (MPI2_REQ_DESCRIPT_FLAGS_FP_IO << 1122 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1123 if (sc->mrsas_gen3_ctrl) { 1124 if (io_request->RaidContext.raid_context.regLockFlags == REGION_TYPE_UNUSED) 1125 cmd->request_desc->SCSIIO.RequestFlags = 1126 (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK << 1127 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1128 io_request->RaidContext.raid_context.Type = MPI2_TYPE_CUDA; 1129 io_request->RaidContext.raid_context.nseg = 0x1; 1130 io_request->IoFlags |= htole16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); 1131 io_request->RaidContext.raid_context.regLockFlags |= 1132 (MR_RL_FLAGS_GRANT_DESTINATION_CUDA | 1133 MR_RL_FLAGS_SEQ_NUM_ENABLE); 1134 } else if (sc->is_ventura || sc->is_aero) { 1135 io_request->RaidContext.raid_context_g35.Type = MPI2_TYPE_CUDA; 1136 io_request->RaidContext.raid_context_g35.nseg = 0x1; 1137 io_request->RaidContext.raid_context_g35.routingFlags.bits.sqn = 1; 1138 io_request->IoFlags |= htole16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); 1139 if (io_request->RaidContext.raid_context_g35.routingFlags.bits.sld) { 1140 io_request->RaidContext.raid_context_g35.RAIDFlags = 1141 (MR_RAID_FLAGS_IO_SUB_TYPE_CACHE_BYPASS 1142 << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT); 1143 } 1144 } 1145 if ((sc->load_balance_info[device_id].loadBalanceFlag) && 1146 (io_info.isRead)) { 1147 io_info.devHandle = 1148 mrsas_get_updated_dev_handle(sc, 1149 &sc->load_balance_info[device_id], &io_info); 1150 cmd->load_balance = MRSAS_LOAD_BALANCE_FLAG; 1151 cmd->pd_r1_lb = io_info.pd_after_lb; 1152 if (sc->is_ventura || sc->is_aero) 1153 io_request->RaidContext.raid_context_g35.spanArm = io_info.span_arm; 1154 else 1155 io_request->RaidContext.raid_context.spanArm = io_info.span_arm; 1156 } else 1157 cmd->load_balance = 0; 1158 1159 if (sc->is_ventura || sc->is_aero) 1160 cmd->r1_alt_dev_handle = io_info.r1_alt_dev_handle; 1161 else 1162 cmd->r1_alt_dev_handle = MR_DEVHANDLE_INVALID; 1163 1164 cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle; 1165 io_request->DevHandle = io_info.devHandle; 1166 cmd->pdInterface = io_info.pdInterface; 1167 } else { 1168 /* Not FP IO */ 1169 io_request->RaidContext.raid_context.timeoutValue = htole16(map_ptr->raidMap.fpPdIoTimeoutSec); 1170 cmd->request_desc->SCSIIO.RequestFlags = 1171 (MRSAS_REQ_DESCRIPT_FLAGS_LD_IO << 1172 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1173 if (sc->mrsas_gen3_ctrl) { 1174 if (io_request->RaidContext.raid_context.regLockFlags == REGION_TYPE_UNUSED) 1175 cmd->request_desc->SCSIIO.RequestFlags = 1176 (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK << 1177 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1178 io_request->RaidContext.raid_context.Type = MPI2_TYPE_CUDA; 1179 io_request->RaidContext.raid_context.regLockFlags |= 1180 (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 | 1181 MR_RL_FLAGS_SEQ_NUM_ENABLE); 1182 io_request->RaidContext.raid_context.nseg = 0x1; 1183 } else if (sc->is_ventura || sc->is_aero) { 1184 io_request->RaidContext.raid_context_g35.Type = MPI2_TYPE_CUDA; 1185 io_request->RaidContext.raid_context_g35.routingFlags.bits.sqn = 1; 1186 io_request->RaidContext.raid_context_g35.nseg = 0x1; 1187 } 1188 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST; 1189 io_request->DevHandle = htole16(device_id); 1190 } 1191 return (0); 1192} 1193 1194/* 1195 * mrsas_build_ldio_nonrw: Builds an LDIO command 1196 * input: Adapter instance soft state 1197 * Pointer to command packet 1198 * Pointer to CCB 1199 * 1200 * This function builds the LDIO command packet. It returns 0 if the command is 1201 * built successfully, otherwise it returns a 1. 1202 */ 1203int 1204mrsas_build_ldio_nonrw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 1205 union ccb *ccb) 1206{ 1207 struct ccb_hdr *ccb_h = &(ccb->ccb_h); 1208 u_int32_t device_id, ld; 1209 MR_DRV_RAID_MAP_ALL *map_ptr; 1210 MR_LD_RAID *raid; 1211 RAID_CONTEXT *pRAID_Context; 1212 MRSAS_RAID_SCSI_IO_REQUEST *io_request; 1213 1214 io_request = cmd->io_request; 1215 device_id = ccb_h->target_id; 1216 1217 map_ptr = sc->ld_drv_map[(sc->map_id & 1)]; 1218 ld = MR_TargetIdToLdGet(device_id, map_ptr); 1219 raid = MR_LdRaidGet(ld, map_ptr); 1220 /* get RAID_Context pointer */ 1221 pRAID_Context = &io_request->RaidContext.raid_context; 1222 /* Store the TM capability value in cmd */ 1223 cmd->tmCapable = raid->capability.tmCapable; 1224 1225 /* FW path for LD Non-RW (SCSI management commands) */ 1226 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST; 1227 io_request->DevHandle = device_id; 1228 cmd->request_desc->SCSIIO.RequestFlags = 1229 (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << 1230 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1231 1232 io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id; 1233 io_request->LUN[1] = ccb_h->target_lun & 0xF; 1234 io_request->DataLength = cmd->length; 1235 1236 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) { 1237 if (cmd->sge_count > sc->max_num_sge) { 1238 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds" 1239 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge); 1240 return (1); 1241 } 1242 if (sc->is_ventura || sc->is_aero) 1243 io_request->RaidContext.raid_context_g35.numSGE = cmd->sge_count; 1244 else { 1245 /* 1246 * numSGE store lower 8 bit of sge_count. numSGEExt store 1247 * higher 8 bit of sge_count 1248 */ 1249 io_request->RaidContext.raid_context.numSGE = cmd->sge_count; 1250 io_request->RaidContext.raid_context.numSGEExt = (uint8_t)(cmd->sge_count >> 8); 1251 } 1252 } else { 1253 device_printf(sc->mrsas_dev, "Data map/load failed.\n"); 1254 return (1); 1255 } 1256 return (0); 1257} 1258 1259/* 1260 * mrsas_build_syspdio: Builds an DCDB command 1261 * input: Adapter instance soft state 1262 * Pointer to command packet 1263 * Pointer to CCB 1264 * 1265 * This function builds the DCDB inquiry command. It returns 0 if the command 1266 * is built successfully, otherwise it returns a 1. 1267 */ 1268int 1269mrsas_build_syspdio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd, 1270 union ccb *ccb, struct cam_sim *sim, u_int8_t fp_possible) 1271{ 1272 struct ccb_hdr *ccb_h = &(ccb->ccb_h); 1273 u_int32_t device_id; 1274 MR_DRV_RAID_MAP_ALL *local_map_ptr; 1275 MRSAS_RAID_SCSI_IO_REQUEST *io_request; 1276 RAID_CONTEXT *pRAID_Context; 1277 struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; 1278 1279 io_request = cmd->io_request; 1280 /* get RAID_Context pointer */ 1281 pRAID_Context = &io_request->RaidContext.raid_context; 1282 device_id = ccb_h->target_id; 1283 local_map_ptr = sc->ld_drv_map[(sc->map_id & 1)]; 1284 io_request->RaidContext.raid_context.RAIDFlags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD 1285 << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT; 1286 io_request->RaidContext.raid_context.regLockFlags = 0; 1287 io_request->RaidContext.raid_context.regLockRowLBA = 0; 1288 io_request->RaidContext.raid_context.regLockLength = 0; 1289 1290 cmd->pdInterface = sc->target_list[device_id].interface_type; 1291 1292 /* If FW supports PD sequence number */ 1293 if (sc->use_seqnum_jbod_fp && 1294 sc->pd_list[device_id].driveType == 0x00) { 1295 //printf("Using Drv seq num\n"); 1296 pd_sync = (void *)sc->jbodmap_mem[(sc->pd_seq_map_id - 1) & 1]; 1297 cmd->tmCapable = pd_sync->seq[device_id].capability.tmCapable; 1298 /* More than 256 PD/JBOD support for Ventura */ 1299 if (sc->support_morethan256jbod) 1300 io_request->RaidContext.raid_context.VirtualDiskTgtId = 1301 pd_sync->seq[device_id].pdTargetId; 1302 else 1303 io_request->RaidContext.raid_context.VirtualDiskTgtId = 1304 htole16(device_id + 255); 1305 io_request->RaidContext.raid_context.configSeqNum = pd_sync->seq[device_id].seqNum; 1306 io_request->DevHandle = pd_sync->seq[device_id].devHandle; 1307 if (sc->is_ventura || sc->is_aero) 1308 io_request->RaidContext.raid_context_g35.routingFlags.bits.sqn = 1; 1309 else 1310 io_request->RaidContext.raid_context.regLockFlags |= 1311 (MR_RL_FLAGS_SEQ_NUM_ENABLE | MR_RL_FLAGS_GRANT_DESTINATION_CUDA); 1312 /* raid_context.Type = MPI2_TYPE_CUDA is valid only, 1313 * if FW support Jbod Sequence number 1314 */ 1315 io_request->RaidContext.raid_context.Type = MPI2_TYPE_CUDA; 1316 io_request->RaidContext.raid_context.nseg = 0x1; 1317 } else if (sc->fast_path_io) { 1318 //printf("Using LD RAID map\n"); 1319 io_request->RaidContext.raid_context.VirtualDiskTgtId = htole16(device_id); 1320 io_request->RaidContext.raid_context.configSeqNum = 0; 1321 local_map_ptr = sc->ld_drv_map[(sc->map_id & 1)]; 1322 io_request->DevHandle = 1323 local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl; 1324 } else { 1325 //printf("Using FW PATH\n"); 1326 /* Want to send all IO via FW path */ 1327 io_request->RaidContext.raid_context.VirtualDiskTgtId = htole16(device_id); 1328 io_request->RaidContext.raid_context.configSeqNum = 0; 1329 io_request->DevHandle = MR_DEVHANDLE_INVALID; 1330 } 1331 1332 cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle; 1333 cmd->request_desc->SCSIIO.MSIxIndex = 1334 sc->msix_vectors ? smp_processor_id() % sc->msix_vectors : 0; 1335 1336 if (!fp_possible) { 1337 /* system pd firmware path */ 1338 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST; 1339 cmd->request_desc->SCSIIO.RequestFlags = 1340 (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << 1341 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1342 io_request->RaidContext.raid_context.timeoutValue = 1343 htole16(local_map_ptr->raidMap.fpPdIoTimeoutSec); 1344 io_request->RaidContext.raid_context.VirtualDiskTgtId = htole16(device_id); 1345 } else { 1346 /* system pd fast path */ 1347 io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; 1348 io_request->RaidContext.raid_context.timeoutValue = htole16(local_map_ptr->raidMap.fpPdIoTimeoutSec); 1349 1350 /* 1351 * NOTE - For system pd RW cmds only IoFlags will be FAST_PATH 1352 * Because the NON RW cmds will now go via FW Queue 1353 * and not the Exception queue 1354 */ 1355 if (sc->mrsas_gen3_ctrl || sc->is_ventura || sc->is_aero) 1356 io_request->IoFlags |= htole16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); 1357 1358 cmd->request_desc->SCSIIO.RequestFlags = 1359 (MPI2_REQ_DESCRIPT_FLAGS_FP_IO << 1360 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 1361 } 1362 1363 io_request->LUN[1] = ccb_h->target_lun & 0xF; 1364 io_request->DataLength = htole32(cmd->length); 1365 1366 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) { 1367 if (cmd->sge_count > sc->max_num_sge) { 1368 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds" 1369 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge); 1370 return (1); 1371 } 1372 if (sc->is_ventura || sc->is_aero) 1373 io_request->RaidContext.raid_context_g35.numSGE = cmd->sge_count; 1374 else { 1375 /* 1376 * numSGE store lower 8 bit of sge_count. numSGEExt store 1377 * higher 8 bit of sge_count 1378 */ 1379 io_request->RaidContext.raid_context.numSGE = cmd->sge_count; 1380 io_request->RaidContext.raid_context.numSGEExt = (uint8_t)(cmd->sge_count >> 8); 1381 } 1382 } else { 1383 device_printf(sc->mrsas_dev, "Data map/load failed.\n"); 1384 return (1); 1385 } 1386 return (0); 1387} 1388 1389/* 1390 * mrsas_is_prp_possible: This function will tell whether PRPs should be built or not 1391 * sc: Adapter instance soft state 1392 * cmd: MPT command frame pointer 1393 * nsesg: Number of OS SGEs 1394 * 1395 * This function will check whether IO is qualified to build PRPs 1396 * return: true: if PRP should be built 1397 * false: if IEEE SGLs should be built 1398 */ 1399static boolean_t mrsas_is_prp_possible(struct mrsas_mpt_cmd *cmd, 1400 bus_dma_segment_t *segs, int nsegs) 1401{ 1402 struct mrsas_softc *sc = cmd->sc; 1403 int i; 1404 u_int32_t data_length = 0; 1405 bool build_prp = false; 1406 u_int32_t mr_nvme_pg_size; 1407 1408 mr_nvme_pg_size = max(sc->nvme_page_size, MR_DEFAULT_NVME_PAGE_SIZE); 1409 data_length = cmd->length; 1410 1411 if (data_length > (mr_nvme_pg_size * 5)) 1412 build_prp = true; 1413 else if ((data_length > (mr_nvme_pg_size * 4)) && 1414 (data_length <= (mr_nvme_pg_size * 5))) { 1415 /* check if 1st SG entry size is < residual beyond 4 pages */ 1416 if ((segs[0].ds_len) < (data_length - (mr_nvme_pg_size * 4))) 1417 build_prp = true; 1418 } 1419 1420 /*check for SGE holes here*/ 1421 for (i = 0; i < nsegs; i++) { 1422 /* check for mid SGEs */ 1423 if ((i != 0) && (i != (nsegs - 1))) { 1424 if ((segs[i].ds_addr % mr_nvme_pg_size) || 1425 (segs[i].ds_len % mr_nvme_pg_size)) { 1426 build_prp = false; 1427 mrsas_atomic_inc(&sc->sge_holes); 1428 break; 1429 } 1430 } 1431 1432 /* check for first SGE*/ 1433 if ((nsegs > 1) && (i == 0)) { 1434 if ((segs[i].ds_addr + segs[i].ds_len) % mr_nvme_pg_size) { 1435 build_prp = false; 1436 mrsas_atomic_inc(&sc->sge_holes); 1437 break; 1438 } 1439 } 1440 1441 /* check for Last SGE*/ 1442 if ((nsegs > 1) && (i == (nsegs - 1))) { 1443 if (segs[i].ds_addr % mr_nvme_pg_size) { 1444 build_prp = false; 1445 mrsas_atomic_inc(&sc->sge_holes); 1446 break; 1447 } 1448 } 1449 } 1450 1451 return build_prp; 1452} 1453 1454/* 1455 * mrsas_map_request: Map and load data 1456 * input: Adapter instance soft state 1457 * Pointer to command packet 1458 * 1459 * For data from OS, map and load the data buffer into bus space. The SG list 1460 * is built in the callback. If the bus dmamap load is not successful, 1461 * cmd->error_code will contain the error code and a 1 is returned. 1462 */ 1463int 1464mrsas_map_request(struct mrsas_softc *sc, 1465 struct mrsas_mpt_cmd *cmd, union ccb *ccb) 1466{ 1467 u_int32_t retcode = 0; 1468 struct cam_sim *sim; 1469 1470 sim = xpt_path_sim(cmd->ccb_ptr->ccb_h.path); 1471 1472 if (cmd->data != NULL) { 1473 /* Map data buffer into bus space */ 1474 mtx_lock(&sc->io_lock); 1475#if (__FreeBSD_version >= 902001) 1476 retcode = bus_dmamap_load_ccb(sc->data_tag, cmd->data_dmamap, ccb, 1477 mrsas_data_load_cb, cmd, 0); 1478#else 1479 retcode = bus_dmamap_load(sc->data_tag, cmd->data_dmamap, cmd->data, 1480 cmd->length, mrsas_data_load_cb, cmd, BUS_DMA_NOWAIT); 1481#endif 1482 mtx_unlock(&sc->io_lock); 1483 if (retcode) 1484 device_printf(sc->mrsas_dev, "bus_dmamap_load(): retcode = %d\n", retcode); 1485 if (retcode == EINPROGRESS) { 1486 device_printf(sc->mrsas_dev, "request load in progress\n"); 1487 mrsas_freeze_simq(cmd, sim); 1488 } 1489 } 1490 if (cmd->error_code) 1491 return (1); 1492 return (retcode); 1493} 1494 1495/* 1496 * mrsas_unmap_request: Unmap and unload data 1497 * input: Adapter instance soft state 1498 * Pointer to command packet 1499 * 1500 * This function unmaps and unloads data from OS. 1501 */ 1502void 1503mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd) 1504{ 1505 if (cmd->data != NULL) { 1506 if (cmd->flags & MRSAS_DIR_IN) 1507 bus_dmamap_sync(sc->data_tag, cmd->data_dmamap, BUS_DMASYNC_POSTREAD); 1508 if (cmd->flags & MRSAS_DIR_OUT) 1509 bus_dmamap_sync(sc->data_tag, cmd->data_dmamap, BUS_DMASYNC_POSTWRITE); 1510 mtx_lock(&sc->io_lock); 1511 bus_dmamap_unload(sc->data_tag, cmd->data_dmamap); 1512 mtx_unlock(&sc->io_lock); 1513 } 1514} 1515 1516/** 1517 * mrsas_build_ieee_sgl - Prepare IEEE SGLs 1518 * @sc: Adapter soft state 1519 * @segs: OS SGEs pointers 1520 * @nseg: Number of OS SGEs 1521 * @cmd: Fusion command frame 1522 * return: void 1523 */ 1524static void mrsas_build_ieee_sgl(struct mrsas_mpt_cmd *cmd, bus_dma_segment_t *segs, int nseg) 1525{ 1526 struct mrsas_softc *sc = cmd->sc; 1527 MRSAS_RAID_SCSI_IO_REQUEST *io_request; 1528 pMpi25IeeeSgeChain64_t sgl_ptr; 1529 int i = 0, sg_processed = 0; 1530 1531 io_request = cmd->io_request; 1532 sgl_ptr = (pMpi25IeeeSgeChain64_t)&io_request->SGL; 1533 1534 if (sc->mrsas_gen3_ctrl || sc->is_ventura || sc->is_aero) { 1535 pMpi25IeeeSgeChain64_t sgl_ptr_end = sgl_ptr; 1536 1537 sgl_ptr_end += sc->max_sge_in_main_msg - 1; 1538 sgl_ptr_end->Flags = 0; 1539 } 1540 if (nseg != 0) { 1541 for (i = 0; i < nseg; i++) { 1542 sgl_ptr->Address = htole64(segs[i].ds_addr); 1543 sgl_ptr->Length = htole32(segs[i].ds_len); 1544 sgl_ptr->Flags = 0; 1545 if (sc->mrsas_gen3_ctrl || sc->is_ventura || sc->is_aero) { 1546 if (i == nseg - 1) 1547 sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST; 1548 } 1549 sgl_ptr++; 1550 sg_processed = i + 1; 1551 if ((sg_processed == (sc->max_sge_in_main_msg - 1)) && 1552 (nseg > sc->max_sge_in_main_msg)) { 1553 pMpi25IeeeSgeChain64_t sg_chain; 1554 1555 if (sc->mrsas_gen3_ctrl || sc->is_ventura || sc->is_aero) { 1556 if ((cmd->io_request->IoFlags & MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) 1557 != MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) 1558 cmd->io_request->ChainOffset = sc->chain_offset_io_request; 1559 else 1560 cmd->io_request->ChainOffset = 0; 1561 } else 1562 cmd->io_request->ChainOffset = sc->chain_offset_io_request; 1563 sg_chain = sgl_ptr; 1564 if (sc->mrsas_gen3_ctrl || sc->is_ventura || sc->is_aero) 1565 sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT; 1566 else 1567 sg_chain->Flags = (IEEE_SGE_FLAGS_CHAIN_ELEMENT | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR); 1568 sg_chain->Length = htole32((sizeof(MPI2_SGE_IO_UNION) * (nseg - sg_processed))); 1569 sg_chain->Address = htole64(cmd->chain_frame_phys_addr); 1570 sgl_ptr = (pMpi25IeeeSgeChain64_t)cmd->chain_frame; 1571 } 1572 } 1573 } 1574} 1575 1576/** 1577 * mrsas_build_prp_nvme - Prepare PRPs(Physical Region Page)- SGLs specific to NVMe drives only 1578 * @sc: Adapter soft state 1579 * @segs: OS SGEs pointers 1580 * @nseg: Number of OS SGEs 1581 * @cmd: Fusion command frame 1582 * return: void 1583 */ 1584static void mrsas_build_prp_nvme(struct mrsas_mpt_cmd *cmd, bus_dma_segment_t *segs, int nseg) 1585{ 1586 struct mrsas_softc *sc = cmd->sc; 1587 int sge_len, offset, num_prp_in_chain = 0; 1588 pMpi25IeeeSgeChain64_t main_chain_element, ptr_first_sgl, sgl_ptr; 1589 u_int64_t *ptr_sgl; 1590 bus_addr_t ptr_sgl_phys; 1591 u_int64_t sge_addr; 1592 u_int32_t page_mask, page_mask_result, i = 0; 1593 u_int32_t first_prp_len; 1594 int data_len = cmd->length; 1595 u_int32_t mr_nvme_pg_size = max(sc->nvme_page_size, 1596 MR_DEFAULT_NVME_PAGE_SIZE); 1597 1598 sgl_ptr = (pMpi25IeeeSgeChain64_t) &cmd->io_request->SGL; 1599 /* 1600 * NVMe has a very convoluted PRP format. One PRP is required 1601 * for each page or partial page. We need to split up OS SG 1602 * entries if they are longer than one page or cross a page 1603 * boundary. We also have to insert a PRP list pointer entry as 1604 * the last entry in each physical page of the PRP list. 1605 * 1606 * NOTE: The first PRP "entry" is actually placed in the first 1607 * SGL entry in the main message in IEEE 64 format. The 2nd 1608 * entry in the main message is the chain element, and the rest 1609 * of the PRP entries are built in the contiguous PCIe buffer. 1610 */ 1611 page_mask = mr_nvme_pg_size - 1; 1612 ptr_sgl = (u_int64_t *) cmd->chain_frame; 1613 ptr_sgl_phys = cmd->chain_frame_phys_addr; 1614 memset(ptr_sgl, 0, sc->max_chain_frame_sz); 1615 1616 /* Build chain frame element which holds all PRPs except first*/ 1617 main_chain_element = (pMpi25IeeeSgeChain64_t) 1618 ((u_int8_t *)sgl_ptr + sizeof(MPI25_IEEE_SGE_CHAIN64)); 1619 1620 main_chain_element->Address = cmd->chain_frame_phys_addr; 1621 main_chain_element->NextChainOffset = 0; 1622 main_chain_element->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT | 1623 IEEE_SGE_FLAGS_SYSTEM_ADDR | 1624 MPI26_IEEE_SGE_FLAGS_NSF_NVME_PRP; 1625 1626 /* Build first PRP, SGE need not to be PAGE aligned*/ 1627 ptr_first_sgl = sgl_ptr; 1628 sge_addr = segs[i].ds_addr; 1629 sge_len = segs[i].ds_len; 1630 i++; 1631 1632 offset = (u_int32_t) (sge_addr & page_mask); 1633 first_prp_len = mr_nvme_pg_size - offset; 1634 1635 ptr_first_sgl->Address = sge_addr; 1636 ptr_first_sgl->Length = first_prp_len; 1637 1638 data_len -= first_prp_len; 1639 1640 if (sge_len > first_prp_len) { 1641 sge_addr += first_prp_len; 1642 sge_len -= first_prp_len; 1643 } else if (sge_len == first_prp_len) { 1644 sge_addr = segs[i].ds_addr; 1645 sge_len = segs[i].ds_len; 1646 i++; 1647 } 1648 1649 for (;;) { 1650 offset = (u_int32_t) (sge_addr & page_mask); 1651 1652 /* Put PRP pointer due to page boundary*/ 1653 page_mask_result = (uintptr_t)(ptr_sgl + 1) & page_mask; 1654 if (!page_mask_result) { 1655 device_printf(sc->mrsas_dev, "BRCM: Put prp pointer as we are at page boundary" 1656 " ptr_sgl: 0x%p\n", ptr_sgl); 1657 ptr_sgl_phys++; 1658 *ptr_sgl = (uintptr_t)ptr_sgl_phys; 1659 ptr_sgl++; 1660 num_prp_in_chain++; 1661 } 1662 1663 *ptr_sgl = sge_addr; 1664 ptr_sgl++; 1665 ptr_sgl_phys++; 1666 num_prp_in_chain++; 1667 1668 sge_addr += mr_nvme_pg_size; 1669 sge_len -= mr_nvme_pg_size; 1670 data_len -= mr_nvme_pg_size; 1671 1672 if (data_len <= 0) 1673 break; 1674 1675 if (sge_len > 0) 1676 continue; 1677 1678 sge_addr = segs[i].ds_addr; 1679 sge_len = segs[i].ds_len; 1680 i++; 1681 } 1682 1683 main_chain_element->Length = num_prp_in_chain * sizeof(u_int64_t); 1684 mrsas_atomic_inc(&sc->prp_count); 1685 1686} 1687 1688/* 1689 * mrsas_data_load_cb: Callback entry point to build SGLs 1690 * input: Pointer to command packet as argument 1691 * Pointer to segment 1692 * Number of segments Error 1693 * 1694 * This is the callback function of the bus dma map load. It builds SG list 1695 */ 1696static void 1697mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error) 1698{ 1699 struct mrsas_mpt_cmd *cmd = (struct mrsas_mpt_cmd *)arg; 1700 struct mrsas_softc *sc = cmd->sc; 1701 boolean_t build_prp = false; 1702 1703 if (error) { 1704 cmd->error_code = error; 1705 device_printf(sc->mrsas_dev, "mrsas_data_load_cb_prp: error=%d\n", error); 1706 if (error == EFBIG) { 1707 cmd->ccb_ptr->ccb_h.status = CAM_REQ_TOO_BIG; 1708 return; 1709 } 1710 } 1711 if (cmd->flags & MRSAS_DIR_IN) 1712 bus_dmamap_sync(cmd->sc->data_tag, cmd->data_dmamap, 1713 BUS_DMASYNC_PREREAD); 1714 if (cmd->flags & MRSAS_DIR_OUT) 1715 bus_dmamap_sync(cmd->sc->data_tag, cmd->data_dmamap, 1716 BUS_DMASYNC_PREWRITE); 1717 if (nseg > sc->max_num_sge) { 1718 device_printf(sc->mrsas_dev, "SGE count is too large or 0.\n"); 1719 return; 1720 } 1721 1722 /* Check for whether PRPs should be built or IEEE SGLs*/ 1723 if ((cmd->io_request->IoFlags & MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) && 1724 (cmd->pdInterface == NVME_PD)) 1725 build_prp = mrsas_is_prp_possible(cmd, segs, nseg); 1726 1727 if (build_prp == true) 1728 mrsas_build_prp_nvme(cmd, segs, nseg); 1729 else 1730 mrsas_build_ieee_sgl(cmd, segs, nseg); 1731 1732 cmd->sge_count = nseg; 1733} 1734 1735/* 1736 * mrsas_freeze_simq: Freeze SIM queue 1737 * input: Pointer to command packet 1738 * Pointer to SIM 1739 * 1740 * This function freezes the sim queue. 1741 */ 1742static void 1743mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim) 1744{ 1745 union ccb *ccb = (union ccb *)(cmd->ccb_ptr); 1746 1747 xpt_freeze_simq(sim, 1); 1748 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 1749 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1750} 1751 1752void 1753mrsas_xpt_freeze(struct mrsas_softc *sc) 1754{ 1755 xpt_freeze_simq(sc->sim_0, 1); 1756 xpt_freeze_simq(sc->sim_1, 1); 1757} 1758 1759void 1760mrsas_xpt_release(struct mrsas_softc *sc) 1761{ 1762 xpt_release_simq(sc->sim_0, 1); 1763 xpt_release_simq(sc->sim_1, 1); 1764} 1765 1766/* 1767 * mrsas_cmd_done: Perform remaining command completion 1768 * input: Adapter instance soft state Pointer to command packet 1769 * 1770 * This function calls ummap request and releases the MPT command. 1771 */ 1772void 1773mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd) 1774{ 1775 mrsas_unmap_request(sc, cmd); 1776 1777 mtx_lock(&sc->sim_lock); 1778 if (cmd->callout_owner) { 1779 callout_stop(&cmd->cm_callout); 1780 cmd->callout_owner = false; 1781 } 1782 xpt_done(cmd->ccb_ptr); 1783 cmd->ccb_ptr = NULL; 1784 mtx_unlock(&sc->sim_lock); 1785 mrsas_release_mpt_cmd(cmd); 1786} 1787 1788/* 1789 * mrsas_cam_poll: Polling entry point 1790 * input: Pointer to SIM 1791 * 1792 * This is currently a stub function. 1793 */ 1794static void 1795mrsas_cam_poll(struct cam_sim *sim) 1796{ 1797 int i; 1798 struct mrsas_softc *sc = (struct mrsas_softc *)cam_sim_softc(sim); 1799 1800 if (sc->msix_vectors != 0){ 1801 for (i=0; i<sc->msix_vectors; i++){ 1802 mrsas_complete_cmd(sc, i); 1803 } 1804 } else { 1805 mrsas_complete_cmd(sc, 0); 1806 } 1807} 1808 1809/* 1810 * mrsas_bus_scan: Perform bus scan 1811 * input: Adapter instance soft state 1812 * 1813 * This mrsas_bus_scan function is needed for FreeBSD 7.x. Also, it should not 1814 * be called in FreeBSD 8.x and later versions, where the bus scan is 1815 * automatic. 1816 */ 1817int 1818mrsas_bus_scan(struct mrsas_softc *sc) 1819{ 1820 union ccb *ccb_0; 1821 union ccb *ccb_1; 1822 1823 if ((ccb_0 = xpt_alloc_ccb()) == NULL) { 1824 return (ENOMEM); 1825 } 1826 if ((ccb_1 = xpt_alloc_ccb()) == NULL) { 1827 xpt_free_ccb(ccb_0); 1828 return (ENOMEM); 1829 } 1830 mtx_lock(&sc->sim_lock); 1831 if (xpt_create_path(&ccb_0->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_0), 1832 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1833 xpt_free_ccb(ccb_0); 1834 xpt_free_ccb(ccb_1); 1835 mtx_unlock(&sc->sim_lock); 1836 return (EIO); 1837 } 1838 if (xpt_create_path(&ccb_1->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_1), 1839 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1840 xpt_free_ccb(ccb_0); 1841 xpt_free_ccb(ccb_1); 1842 mtx_unlock(&sc->sim_lock); 1843 return (EIO); 1844 } 1845 mtx_unlock(&sc->sim_lock); 1846 xpt_rescan(ccb_0); 1847 xpt_rescan(ccb_1); 1848 1849 return (0); 1850} 1851 1852/* 1853 * mrsas_bus_scan_sim: Perform bus scan per SIM 1854 * input: adapter instance soft state 1855 * 1856 * This function will be called from Event handler on LD creation/deletion, 1857 * JBOD on/off. 1858 */ 1859int 1860mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim) 1861{ 1862 union ccb *ccb; 1863 1864 if ((ccb = xpt_alloc_ccb()) == NULL) { 1865 return (ENOMEM); 1866 } 1867 mtx_lock(&sc->sim_lock); 1868 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, cam_sim_path(sim), 1869 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1870 xpt_free_ccb(ccb); 1871 mtx_unlock(&sc->sim_lock); 1872 return (EIO); 1873 } 1874 mtx_unlock(&sc->sim_lock); 1875 xpt_rescan(ccb); 1876 1877 return (0); 1878} 1879 1880/* 1881 * mrsas_track_scsiio: Track IOs for a given target in the mpt_cmd_list 1882 * input: Adapter instance soft state 1883 * Target ID of target 1884 * Bus ID of the target 1885 * 1886 * This function checks for any pending IO in the whole mpt_cmd_list pool 1887 * with the bus_id and target_id passed in arguments. If some IO is found 1888 * that means target reset is not successfully completed. 1889 * 1890 * Returns FAIL if IOs pending to the target device, else return SUCCESS 1891 */ 1892static int 1893mrsas_track_scsiio(struct mrsas_softc *sc, target_id_t tgt_id, u_int32_t bus_id) 1894{ 1895 int i; 1896 struct mrsas_mpt_cmd *mpt_cmd = NULL; 1897 1898 for (i = 0 ; i < sc->max_fw_cmds; i++) { 1899 mpt_cmd = sc->mpt_cmd_list[i]; 1900 1901 /* 1902 * Check if the target_id and bus_id is same as the timeout IO 1903 */ 1904 if (mpt_cmd->ccb_ptr) { 1905 /* bus_id = 1 denotes a VD */ 1906 if (bus_id == 1) 1907 tgt_id = 1908 (mpt_cmd->ccb_ptr->ccb_h.target_id - (MRSAS_MAX_PD - 1)); 1909 1910 if (mpt_cmd->ccb_ptr->cpi.bus_id == bus_id && 1911 mpt_cmd->ccb_ptr->ccb_h.target_id == tgt_id) { 1912 device_printf(sc->mrsas_dev, 1913 "IO commands pending to target id %d\n", tgt_id); 1914 return FAIL; 1915 } 1916 } 1917 } 1918 1919 return SUCCESS; 1920} 1921 1922#if TM_DEBUG 1923/* 1924 * mrsas_tm_response_code: Prints TM response code received from FW 1925 * input: Adapter instance soft state 1926 * MPI reply returned from firmware 1927 * 1928 * Returns nothing. 1929 */ 1930static void 1931mrsas_tm_response_code(struct mrsas_softc *sc, 1932 MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply) 1933{ 1934 char *desc; 1935 1936 switch (mpi_reply->ResponseCode) { 1937 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: 1938 desc = "task management request completed"; 1939 break; 1940 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: 1941 desc = "invalid frame"; 1942 break; 1943 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: 1944 desc = "task management request not supported"; 1945 break; 1946 case MPI2_SCSITASKMGMT_RSP_TM_FAILED: 1947 desc = "task management request failed"; 1948 break; 1949 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: 1950 desc = "task management request succeeded"; 1951 break; 1952 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: 1953 desc = "invalid lun"; 1954 break; 1955 case 0xA: 1956 desc = "overlapped tag attempted"; 1957 break; 1958 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: 1959 desc = "task queued, however not sent to target"; 1960 break; 1961 default: 1962 desc = "unknown"; 1963 break; 1964 } 1965 device_printf(sc->mrsas_dev, "response_code(%01x): %s\n", 1966 mpi_reply->ResponseCode, desc); 1967 device_printf(sc->mrsas_dev, 1968 "TerminationCount/DevHandle/Function/TaskType/IOCStat/IOCLoginfo\n" 1969 "0x%x/0x%x/0x%x/0x%x/0x%x/0x%x\n", 1970 mpi_reply->TerminationCount, mpi_reply->DevHandle, 1971 mpi_reply->Function, mpi_reply->TaskType, 1972 mpi_reply->IOCStatus, mpi_reply->IOCLogInfo); 1973} 1974#endif 1975 1976/* 1977 * mrsas_issue_tm: Fires the TM command to FW and waits for completion 1978 * input: Adapter instance soft state 1979 * reqest descriptor compiled by mrsas_reset_targets 1980 * 1981 * Returns FAIL if TM command TIMEDOUT from FW else SUCCESS. 1982 */ 1983static int 1984mrsas_issue_tm(struct mrsas_softc *sc, 1985 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc) 1986{ 1987 int sleep_stat; 1988 1989 mrsas_fire_cmd(sc, req_desc->addr.u.low, req_desc->addr.u.high); 1990 sleep_stat = msleep(&sc->ocr_chan, &sc->sim_lock, PRIBIO, "tm_sleep", 50*hz); 1991 1992 if (sleep_stat == EWOULDBLOCK) { 1993 device_printf(sc->mrsas_dev, "tm cmd TIMEDOUT\n"); 1994 return FAIL; 1995 } 1996 1997 return SUCCESS; 1998} 1999 2000/* 2001 * mrsas_reset_targets : Gathers info to fire a target reset command 2002 * input: Adapter instance soft state 2003 * 2004 * This function compiles data for a target reset command to be fired to the FW 2005 * and then traverse the target_reset_pool to see targets with TIMEDOUT IOs. 2006 * 2007 * Returns SUCCESS or FAIL 2008 */ 2009int mrsas_reset_targets(struct mrsas_softc *sc) 2010{ 2011 struct mrsas_mpt_cmd *tm_mpt_cmd = NULL; 2012 struct mrsas_mpt_cmd *tgt_mpt_cmd = NULL; 2013 MR_TASK_MANAGE_REQUEST *mr_request; 2014 MPI2_SCSI_TASK_MANAGE_REQUEST *tm_mpi_request; 2015 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc; 2016 int retCode = FAIL, count, i, outstanding; 2017 u_int32_t MSIxIndex, bus_id; 2018 target_id_t tgt_id; 2019#if TM_DEBUG 2020 MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply; 2021#endif 2022 2023 outstanding = mrsas_atomic_read(&sc->fw_outstanding); 2024 2025 if (!outstanding) { 2026 device_printf(sc->mrsas_dev, "NO IOs pending...\n"); 2027 mrsas_atomic_set(&sc->target_reset_outstanding, 0); 2028 retCode = SUCCESS; 2029 goto return_status; 2030 } else if (sc->adprecovery != MRSAS_HBA_OPERATIONAL) { 2031 device_printf(sc->mrsas_dev, "Controller is not operational\n"); 2032 goto return_status; 2033 } else { 2034 /* Some more error checks will be added in future */ 2035 } 2036 2037 /* Get an mpt frame and an index to fire the TM cmd */ 2038 tm_mpt_cmd = mrsas_get_mpt_cmd(sc); 2039 if (!tm_mpt_cmd) { 2040 retCode = FAIL; 2041 goto return_status; 2042 } 2043 2044 req_desc = mrsas_get_request_desc(sc, (tm_mpt_cmd->index) - 1); 2045 if (!req_desc) { 2046 device_printf(sc->mrsas_dev, "Cannot get request_descriptor for tm.\n"); 2047 retCode = FAIL; 2048 goto release_mpt; 2049 } 2050 memset(req_desc, 0, sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION)); 2051 2052 req_desc->HighPriority.SMID = tm_mpt_cmd->index; 2053 req_desc->HighPriority.RequestFlags = 2054 (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY << 2055 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); 2056 req_desc->HighPriority.MSIxIndex = 0; 2057 req_desc->HighPriority.LMID = 0; 2058 req_desc->HighPriority.Reserved1 = 0; 2059 tm_mpt_cmd->request_desc = req_desc; 2060 2061 mr_request = (MR_TASK_MANAGE_REQUEST *) tm_mpt_cmd->io_request; 2062 memset(mr_request, 0, sizeof(MR_TASK_MANAGE_REQUEST)); 2063 2064 tm_mpi_request = (MPI2_SCSI_TASK_MANAGE_REQUEST *) &mr_request->TmRequest; 2065 tm_mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; 2066 tm_mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; 2067 tm_mpi_request->TaskMID = 0; /* smid task */ 2068 tm_mpi_request->LUN[1] = 0; 2069 2070 /* Traverse the tm_mpt pool to get valid entries */ 2071 for (i = 0 ; i < MRSAS_MAX_TM_TARGETS; i++) { 2072 if(!sc->target_reset_pool[i]) { 2073 continue; 2074 } else { 2075 tgt_mpt_cmd = sc->target_reset_pool[i]; 2076 } 2077 2078 tgt_id = i; 2079 2080 /* See if the target is tm capable or NOT */ 2081 if (!tgt_mpt_cmd->tmCapable) { 2082 device_printf(sc->mrsas_dev, "Task management NOT SUPPORTED for " 2083 "CAM target:%d\n", tgt_id); 2084 2085 retCode = FAIL; 2086 goto release_mpt; 2087 } 2088 2089 tm_mpi_request->DevHandle = tgt_mpt_cmd->io_request->DevHandle; 2090 2091 if (i < (MRSAS_MAX_PD - 1)) { 2092 mr_request->uTmReqReply.tmReqFlags.isTMForPD = 1; 2093 bus_id = 0; 2094 } else { 2095 mr_request->uTmReqReply.tmReqFlags.isTMForLD = 1; 2096 bus_id = 1; 2097 } 2098 2099 device_printf(sc->mrsas_dev, "TM will be fired for " 2100 "CAM target:%d and bus_id %d\n", tgt_id, bus_id); 2101 2102 sc->ocr_chan = (void *)&tm_mpt_cmd; 2103 retCode = mrsas_issue_tm(sc, req_desc); 2104 if (retCode == FAIL) 2105 goto release_mpt; 2106 2107#if TM_DEBUG 2108 mpi_reply = 2109 (MPI2_SCSI_TASK_MANAGE_REPLY *) &mr_request->uTmReqReply.TMReply; 2110 mrsas_tm_response_code(sc, mpi_reply); 2111#endif 2112 mrsas_atomic_dec(&sc->target_reset_outstanding); 2113 sc->target_reset_pool[i] = NULL; 2114 2115 /* Check for pending cmds in the mpt_cmd_pool with the tgt_id */ 2116 mrsas_disable_intr(sc); 2117 /* Wait for 1 second to complete parallel ISR calling same 2118 * mrsas_complete_cmd() 2119 */ 2120 msleep(&sc->ocr_chan, &sc->sim_lock, PRIBIO, "mrsas_reset_wakeup", 2121 1 * hz); 2122 count = sc->msix_vectors > 0 ? sc->msix_vectors : 1; 2123 mtx_unlock(&sc->sim_lock); 2124 for (MSIxIndex = 0; MSIxIndex < count; MSIxIndex++) 2125 mrsas_complete_cmd(sc, MSIxIndex); 2126 mtx_lock(&sc->sim_lock); 2127 retCode = mrsas_track_scsiio(sc, tgt_id, bus_id); 2128 mrsas_enable_intr(sc); 2129 2130 if (retCode == FAIL) 2131 goto release_mpt; 2132 } 2133 2134 device_printf(sc->mrsas_dev, "Number of targets outstanding " 2135 "after reset: %d\n", mrsas_atomic_read(&sc->target_reset_outstanding)); 2136 2137release_mpt: 2138 mrsas_release_mpt_cmd(tm_mpt_cmd); 2139return_status: 2140 device_printf(sc->mrsas_dev, "target reset %s!!\n", 2141 (retCode == SUCCESS) ? "SUCCESS" : "FAIL"); 2142 2143 return retCode; 2144} 2145