1/*- 2 * Copyright (c) 2002-2010 Adaptec, Inc. 3 * Copyright (c) 2010-2012 PMC-Sierra, Inc. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> 29__FBSDID("$FreeBSD$"); 30 31/* 32 * CAM front-end for communicating with non-DASD devices 33 */ 34 35#include "opt_aacraid.h" 36 37#include <sys/param.h> 38#include <sys/systm.h> 39#include <sys/kernel.h> 40#include <sys/sysctl.h> 41#include <sys/lock.h> 42#include <sys/malloc.h> 43#include <sys/module.h> 44#include <sys/mutex.h> 45 46#include <cam/cam.h> 47#include <cam/cam_ccb.h> 48#include <cam/cam_debug.h> 49#include <cam/cam_periph.h> 50#if __FreeBSD_version < 801000 51#include <cam/cam_xpt_periph.h> 52#endif 53#include <cam/cam_sim.h> 54#include <cam/cam_xpt_sim.h> 55#include <cam/scsi/scsi_all.h> 56#include <cam/scsi/scsi_message.h> 57 58#include <sys/bus.h> 59#include <sys/conf.h> 60#include <sys/disk.h> 61 62#include <machine/md_var.h> 63#include <machine/bus.h> 64#include <sys/rman.h> 65 66#include <vm/vm.h> 67#include <vm/pmap.h> 68 69#include <dev/aacraid/aacraid_reg.h> 70#include <sys/aac_ioctl.h> 71#include <dev/aacraid/aacraid_debug.h> 72#include <dev/aacraid/aacraid_var.h> 73 74#if __FreeBSD_version >= 700025 75#ifndef CAM_NEW_TRAN_CODE 76#define CAM_NEW_TRAN_CODE 1 77#endif 78#endif 79 80#ifndef SVPD_SUPPORTED_PAGE_LIST 81struct scsi_vpd_supported_page_list 82{ 83 u_int8_t device; 84 u_int8_t page_code; 85#define SVPD_SUPPORTED_PAGE_LIST 0x00 86 u_int8_t reserved; 87 u_int8_t length; /* number of VPD entries */ 88#define SVPD_SUPPORTED_PAGES_SIZE 251 89 u_int8_t list[SVPD_SUPPORTED_PAGES_SIZE]; 90}; 91#endif 92 93/************************** Version Compatibility *************************/ 94#if __FreeBSD_version < 700031 95#define aac_sim_alloc(a,b,c,d,e,f,g,h,i) cam_sim_alloc(a,b,c,d,e,g,h,i) 96#else 97#define aac_sim_alloc cam_sim_alloc 98#endif 99 100struct aac_cam { 101 device_t dev; 102 struct aac_sim *inf; 103 struct cam_sim *sim; 104 struct cam_path *path; 105}; 106 107static int aac_cam_probe(device_t dev); 108static int aac_cam_attach(device_t dev); 109static int aac_cam_detach(device_t dev); 110static void aac_cam_action(struct cam_sim *, union ccb *); 111static void aac_cam_poll(struct cam_sim *); 112static void aac_cam_complete(struct aac_command *); 113static void aac_container_complete(struct aac_command *); 114#if __FreeBSD_version >= 700000 115static void aac_cam_rescan(struct aac_softc *sc, uint32_t channel, 116 uint32_t target_id); 117#endif 118static void aac_set_scsi_error(struct aac_softc *sc, union ccb *ccb, 119 u_int8_t status, u_int8_t key, u_int8_t asc, u_int8_t ascq); 120static int aac_load_map_command_sg(struct aac_softc *, struct aac_command *); 121static u_int64_t aac_eval_blockno(u_int8_t *); 122static void aac_container_rw_command(struct cam_sim *, union ccb *, u_int8_t *); 123static void aac_container_special_command(struct cam_sim *, union ccb *, 124 u_int8_t *); 125static void aac_passthrough_command(struct cam_sim *, union ccb *); 126 127static u_int32_t aac_cam_reset_bus(struct cam_sim *, union ccb *); 128static u_int32_t aac_cam_abort_ccb(struct cam_sim *, union ccb *); 129static u_int32_t aac_cam_term_io(struct cam_sim *, union ccb *); 130 131static devclass_t aacraid_pass_devclass; 132 133static device_method_t aacraid_pass_methods[] = { 134 DEVMETHOD(device_probe, aac_cam_probe), 135 DEVMETHOD(device_attach, aac_cam_attach), 136 DEVMETHOD(device_detach, aac_cam_detach), 137 { 0, 0 } 138}; 139 140static driver_t aacraid_pass_driver = { 141 "aacraidp", 142 aacraid_pass_methods, 143 sizeof(struct aac_cam) 144}; 145 146DRIVER_MODULE(aacraidp, aacraid, aacraid_pass_driver, aacraid_pass_devclass, 0, 0); 147MODULE_DEPEND(aacraidp, cam, 1, 1, 1); 148 149MALLOC_DEFINE(M_AACRAIDCAM, "aacraidcam", "AACRAID CAM info"); 150 151static void 152aac_set_scsi_error(struct aac_softc *sc, union ccb *ccb, u_int8_t status, 153 u_int8_t key, u_int8_t asc, u_int8_t ascq) 154{ 155#if __FreeBSD_version >= 900000 156 struct scsi_sense_data_fixed *sense = 157 (struct scsi_sense_data_fixed *)&ccb->csio.sense_data; 158#else 159 struct scsi_sense_data *sense = &ccb->csio.sense_data; 160#endif 161 162 fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "Error %d!", status); 163 164 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR; 165 ccb->csio.scsi_status = status; 166 if (status == SCSI_STATUS_CHECK_COND) { 167 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 168 bzero(&ccb->csio.sense_data, ccb->csio.sense_len); 169 ccb->csio.sense_data.error_code = 170 SSD_CURRENT_ERROR | SSD_ERRCODE_VALID; 171 sense->flags = key; 172 if (ccb->csio.sense_len >= 14) { 173 sense->extra_len = 6; 174 sense->add_sense_code = asc; 175 sense->add_sense_code_qual = ascq; 176 } 177 } 178} 179 180#if __FreeBSD_version >= 700000 181static void 182aac_cam_rescan(struct aac_softc *sc, uint32_t channel, uint32_t target_id) 183{ 184 union ccb *ccb; 185 struct aac_sim *sim; 186 struct aac_cam *camsc; 187 188 if (target_id == AAC_CAM_TARGET_WILDCARD) 189 target_id = CAM_TARGET_WILDCARD; 190 191 TAILQ_FOREACH(sim, &sc->aac_sim_tqh, sim_link) { 192 camsc = sim->aac_cam; 193 if (camsc == NULL || camsc->inf == NULL || 194 camsc->inf->BusNumber != channel) 195 continue; 196 197 ccb = xpt_alloc_ccb_nowait(); 198 if (ccb == NULL) { 199 device_printf(sc->aac_dev, 200 "Cannot allocate ccb for bus rescan.\n"); 201 return; 202 } 203 204 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, 205 cam_sim_path(camsc->sim), 206 target_id, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 207 xpt_free_ccb(ccb); 208 device_printf(sc->aac_dev, 209 "Cannot create path for bus rescan.\n"); 210 return; 211 } 212 xpt_rescan(ccb); 213 break; 214 } 215} 216#endif 217 218static void 219aac_cam_event(struct aac_softc *sc, struct aac_event *event, void *arg) 220{ 221 union ccb *ccb; 222 struct aac_cam *camsc; 223 224 switch (event->ev_type) { 225 case AAC_EVENT_CMFREE: 226 ccb = arg; 227 camsc = ccb->ccb_h.sim_priv.entries[0].ptr; 228 free(event, M_AACRAIDCAM); 229 xpt_release_simq(camsc->sim, 1); 230 ccb->ccb_h.status = CAM_REQUEUE_REQ; 231 xpt_done(ccb); 232 break; 233 default: 234 device_printf(sc->aac_dev, "unknown event %d in aac_cam\n", 235 event->ev_type); 236 break; 237 } 238 239 return; 240} 241 242static int 243aac_cam_probe(device_t dev) 244{ 245 struct aac_softc *sc; 246 struct aac_cam *camsc; 247 248 camsc = (struct aac_cam *)device_get_softc(dev); 249 if (!camsc->inf) 250 return (0); 251 sc = camsc->inf->aac_sc; 252 fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 253 return (0); 254} 255 256static int 257aac_cam_detach(device_t dev) 258{ 259 struct aac_softc *sc; 260 struct aac_cam *camsc; 261 262 camsc = (struct aac_cam *)device_get_softc(dev); 263 if (!camsc->inf) 264 return (0); 265 sc = camsc->inf->aac_sc; 266 fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 267 camsc->inf->aac_cam = NULL; 268 269 mtx_lock(&sc->aac_io_lock); 270 271 xpt_async(AC_LOST_DEVICE, camsc->path, NULL); 272 xpt_free_path(camsc->path); 273 xpt_bus_deregister(cam_sim_path(camsc->sim)); 274 cam_sim_free(camsc->sim, /*free_devq*/TRUE); 275 276 sc->cam_rescan_cb = NULL; 277 278 mtx_unlock(&sc->aac_io_lock); 279 280 return (0); 281} 282 283/* 284 * Register the driver as a CAM SIM 285 */ 286static int 287aac_cam_attach(device_t dev) 288{ 289 struct cam_devq *devq; 290 struct cam_sim *sim; 291 struct cam_path *path; 292 struct aac_cam *camsc; 293 struct aac_sim *inf; 294 295 camsc = (struct aac_cam *)device_get_softc(dev); 296 inf = (struct aac_sim *)device_get_ivars(dev); 297 if (!inf) 298 return (EIO); 299 fwprintf(inf->aac_sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 300 camsc->inf = inf; 301 camsc->inf->aac_cam = camsc; 302 303 devq = cam_simq_alloc(inf->TargetsPerBus); 304 if (devq == NULL) 305 return (EIO); 306 307 sim = aac_sim_alloc(aac_cam_action, aac_cam_poll, "aacraidp", camsc, 308 device_get_unit(dev), &inf->aac_sc->aac_io_lock, 1, 1, devq); 309 if (sim == NULL) { 310 cam_simq_free(devq); 311 return (EIO); 312 } 313 314 /* Since every bus has it's own sim, every bus 'appears' as bus 0 */ 315 mtx_lock(&inf->aac_sc->aac_io_lock); 316 if (aac_xpt_bus_register(sim, dev, 0) != CAM_SUCCESS) { 317 cam_sim_free(sim, TRUE); 318 mtx_unlock(&inf->aac_sc->aac_io_lock); 319 return (EIO); 320 } 321 322 if (xpt_create_path(&path, NULL, cam_sim_path(sim), 323 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 324 xpt_bus_deregister(cam_sim_path(sim)); 325 cam_sim_free(sim, TRUE); 326 mtx_unlock(&inf->aac_sc->aac_io_lock); 327 return (EIO); 328 } 329 330#if __FreeBSD_version >= 700000 331 inf->aac_sc->cam_rescan_cb = aac_cam_rescan; 332#endif 333 mtx_unlock(&inf->aac_sc->aac_io_lock); 334 335 camsc->sim = sim; 336 camsc->path = path; 337 338 return (0); 339} 340 341static u_int64_t 342aac_eval_blockno(u_int8_t *cmdp) 343{ 344 u_int64_t blockno; 345 346 switch (cmdp[0]) { 347 case READ_6: 348 case WRITE_6: 349 blockno = scsi_3btoul(((struct scsi_rw_6 *)cmdp)->addr); 350 break; 351 case READ_10: 352 case WRITE_10: 353 blockno = scsi_4btoul(((struct scsi_rw_10 *)cmdp)->addr); 354 break; 355 case READ_12: 356 case WRITE_12: 357 blockno = scsi_4btoul(((struct scsi_rw_12 *)cmdp)->addr); 358 break; 359 case READ_16: 360 case WRITE_16: 361 blockno = scsi_8btou64(((struct scsi_rw_16 *)cmdp)->addr); 362 break; 363 default: 364 blockno = 0; 365 break; 366 } 367 return(blockno); 368} 369 370static void 371aac_container_rw_command(struct cam_sim *sim, union ccb *ccb, u_int8_t *cmdp) 372{ 373 struct aac_cam *camsc; 374 struct aac_softc *sc; 375 struct aac_command *cm; 376 struct aac_fib *fib; 377 u_int64_t blockno; 378 379 camsc = (struct aac_cam *)cam_sim_softc(sim); 380 sc = camsc->inf->aac_sc; 381 mtx_assert(&sc->aac_io_lock, MA_OWNED); 382 383 if (aacraid_alloc_command(sc, &cm)) { 384 struct aac_event *event; 385 386 xpt_freeze_simq(sim, 1); 387 ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 388 ccb->ccb_h.sim_priv.entries[0].ptr = camsc; 389 event = malloc(sizeof(struct aac_event), M_AACRAIDCAM, 390 M_NOWAIT | M_ZERO); 391 if (event == NULL) { 392 device_printf(sc->aac_dev, 393 "Warning, out of memory for event\n"); 394 return; 395 } 396 event->ev_callback = aac_cam_event; 397 event->ev_arg = ccb; 398 event->ev_type = AAC_EVENT_CMFREE; 399 aacraid_add_event(sc, event); 400 return; 401 } 402 403 fib = cm->cm_fib; 404 switch (ccb->ccb_h.flags & CAM_DIR_MASK) { 405 case CAM_DIR_IN: 406 cm->cm_flags |= AAC_CMD_DATAIN; 407 break; 408 case CAM_DIR_OUT: 409 cm->cm_flags |= AAC_CMD_DATAOUT; 410 break; 411 case CAM_DIR_NONE: 412 break; 413 default: 414 cm->cm_flags |= AAC_CMD_DATAIN | AAC_CMD_DATAOUT; 415 break; 416 } 417 418 blockno = aac_eval_blockno(cmdp); 419 420 cm->cm_complete = aac_container_complete; 421 cm->cm_ccb = ccb; 422 cm->cm_timestamp = time_uptime; 423 cm->cm_data = (void *)ccb->csio.data_ptr; 424 cm->cm_datalen = ccb->csio.dxfer_len; 425 426 fib->Header.Size = sizeof(struct aac_fib_header); 427 fib->Header.XferState = 428 AAC_FIBSTATE_HOSTOWNED | 429 AAC_FIBSTATE_INITIALISED | 430 AAC_FIBSTATE_EMPTY | 431 AAC_FIBSTATE_FROMHOST | 432 AAC_FIBSTATE_REXPECTED | 433 AAC_FIBSTATE_NORM | 434 AAC_FIBSTATE_ASYNC | 435 AAC_FIBSTATE_FAST_RESPONSE; 436 437 if (sc->flags & AAC_FLAGS_NEW_COMM_TYPE2) { 438 struct aac_raw_io2 *raw; 439 raw = (struct aac_raw_io2 *)&fib->data[0]; 440 bzero(raw, sizeof(struct aac_raw_io2)); 441 fib->Header.Command = RawIo2; 442 raw->strtBlkLow = (u_int32_t)blockno; 443 raw->strtBlkHigh = (u_int32_t)(blockno >> 32); 444 raw->byteCnt = cm->cm_datalen; 445 raw->ldNum = ccb->ccb_h.target_id; 446 fib->Header.Size += sizeof(struct aac_raw_io2); 447 cm->cm_sgtable = (struct aac_sg_table *)raw->sge; 448 if (cm->cm_flags & AAC_CMD_DATAIN) 449 raw->flags = RIO2_IO_TYPE_READ | RIO2_SG_FORMAT_IEEE1212; 450 else 451 raw->flags = RIO2_IO_TYPE_WRITE | RIO2_SG_FORMAT_IEEE1212; 452 } else if (sc->flags & AAC_FLAGS_RAW_IO) { 453 struct aac_raw_io *raw; 454 raw = (struct aac_raw_io *)&fib->data[0]; 455 bzero(raw, sizeof(struct aac_raw_io)); 456 fib->Header.Command = RawIo; 457 raw->BlockNumber = blockno; 458 raw->ByteCount = cm->cm_datalen; 459 raw->ContainerId = ccb->ccb_h.target_id; 460 fib->Header.Size += sizeof(struct aac_raw_io); 461 cm->cm_sgtable = (struct aac_sg_table *) 462 &raw->SgMapRaw; 463 if (cm->cm_flags & AAC_CMD_DATAIN) 464 raw->Flags = 1; 465 } else if ((sc->flags & AAC_FLAGS_SG_64BIT) == 0) { 466 fib->Header.Command = ContainerCommand; 467 if (cm->cm_flags & AAC_CMD_DATAIN) { 468 struct aac_blockread *br; 469 br = (struct aac_blockread *)&fib->data[0]; 470 br->Command = VM_CtBlockRead; 471 br->ContainerId = ccb->ccb_h.target_id; 472 br->BlockNumber = blockno; 473 br->ByteCount = cm->cm_datalen; 474 fib->Header.Size += sizeof(struct aac_blockread); 475 cm->cm_sgtable = &br->SgMap; 476 } else { 477 struct aac_blockwrite *bw; 478 bw = (struct aac_blockwrite *)&fib->data[0]; 479 bw->Command = VM_CtBlockWrite; 480 bw->ContainerId = ccb->ccb_h.target_id; 481 bw->BlockNumber = blockno; 482 bw->ByteCount = cm->cm_datalen; 483 bw->Stable = CUNSTABLE; 484 fib->Header.Size += sizeof(struct aac_blockwrite); 485 cm->cm_sgtable = &bw->SgMap; 486 } 487 } else { 488 fib->Header.Command = ContainerCommand64; 489 if (cm->cm_flags & AAC_CMD_DATAIN) { 490 struct aac_blockread64 *br; 491 br = (struct aac_blockread64 *)&fib->data[0]; 492 br->Command = VM_CtHostRead64; 493 br->ContainerId = ccb->ccb_h.target_id; 494 br->SectorCount = cm->cm_datalen/AAC_BLOCK_SIZE; 495 br->BlockNumber = blockno; 496 br->Pad = 0; 497 br->Flags = 0; 498 fib->Header.Size += sizeof(struct aac_blockread64); 499 cm->cm_sgtable = (struct aac_sg_table *)&br->SgMap64; 500 } else { 501 struct aac_blockwrite64 *bw; 502 bw = (struct aac_blockwrite64 *)&fib->data[0]; 503 bw->Command = VM_CtHostWrite64; 504 bw->ContainerId = ccb->ccb_h.target_id; 505 bw->SectorCount = cm->cm_datalen/AAC_BLOCK_SIZE; 506 bw->BlockNumber = blockno; 507 bw->Pad = 0; 508 bw->Flags = 0; 509 fib->Header.Size += sizeof(struct aac_blockwrite64); 510 cm->cm_sgtable = (struct aac_sg_table *)&bw->SgMap64; 511 } 512 } 513 aac_enqueue_ready(cm); 514 aacraid_startio(cm->cm_sc); 515} 516 517static void 518aac_container_special_command(struct cam_sim *sim, union ccb *ccb, 519 u_int8_t *cmdp) 520{ 521 struct aac_cam *camsc; 522 struct aac_softc *sc; 523 struct aac_container *co; 524 525 camsc = (struct aac_cam *)cam_sim_softc(sim); 526 sc = camsc->inf->aac_sc; 527 mtx_assert(&sc->aac_io_lock, MA_OWNED); 528 529 TAILQ_FOREACH(co, &sc->aac_container_tqh, co_link) { 530 fwprintf(sc, HBA_FLAGS_DBG_ERROR_B, "found container %d search for %d", co->co_mntobj.ObjectId, ccb->ccb_h.target_id); 531 if (co->co_mntobj.ObjectId == ccb->ccb_h.target_id) 532 break; 533 } 534 if (co == NULL || ccb->ccb_h.target_lun != 0) { 535 fwprintf(sc, HBA_FLAGS_DBG_ERROR_B, 536 "Container not present: cmd 0x%x id %d lun %d len %d", 537 *cmdp, ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 538 ccb->csio.dxfer_len); 539 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 540 xpt_done(ccb); 541 return; 542 } 543 544 if (ccb->csio.dxfer_len) 545 bzero(ccb->csio.data_ptr, ccb->csio.dxfer_len); 546 547 switch (*cmdp) { 548 case INQUIRY: 549 { 550 struct scsi_inquiry *inq = (struct scsi_inquiry *)cmdp; 551 552 fwprintf(sc, HBA_FLAGS_DBG_COMM_B, 553 "Container INQUIRY id %d lun %d len %d VPD 0x%x Page 0x%x", 554 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 555 ccb->csio.dxfer_len, inq->byte2, inq->page_code); 556 if (!(inq->byte2 & SI_EVPD)) { 557 struct scsi_inquiry_data *p = 558 (struct scsi_inquiry_data *)ccb->csio.data_ptr; 559 if (inq->page_code != 0) { 560 aac_set_scsi_error(sc, ccb, 561 SCSI_STATUS_CHECK_COND, 562 SSD_KEY_ILLEGAL_REQUEST, 0x24, 0x00); 563 xpt_done(ccb); 564 return; 565 } 566 p->device = T_DIRECT; 567 p->version = SCSI_REV_SPC2; 568 p->response_format = 2; 569 if (ccb->csio.dxfer_len >= 36) { 570 p->additional_length = 31; 571 p->flags = SID_WBus16|SID_Sync|SID_CmdQue; 572 /* OEM Vendor defines */ 573 strcpy(p->vendor,"Adaptec "); 574 strcpy(p->product,"Array "); 575 strcpy(p->revision,"V1.0"); 576 } 577 } else { 578 if (inq->page_code == SVPD_SUPPORTED_PAGE_LIST) { 579 struct scsi_vpd_supported_page_list *p = 580 (struct scsi_vpd_supported_page_list *) 581 ccb->csio.data_ptr; 582 p->device = T_DIRECT; 583 p->page_code = SVPD_SUPPORTED_PAGE_LIST; 584 p->length = 2; 585 p->list[0] = SVPD_SUPPORTED_PAGE_LIST; 586 p->list[1] = SVPD_UNIT_SERIAL_NUMBER; 587 } else if (inq->page_code == SVPD_UNIT_SERIAL_NUMBER) { 588 struct scsi_vpd_unit_serial_number *p = 589 (struct scsi_vpd_unit_serial_number *) 590 ccb->csio.data_ptr; 591 p->device = T_DIRECT; 592 p->page_code = SVPD_UNIT_SERIAL_NUMBER; 593 p->length = sprintf((char *)p->serial_num, 594 "%08X%02X", co->co_uid, 595 ccb->ccb_h.target_id); 596 } else { 597 aac_set_scsi_error(sc, ccb, 598 SCSI_STATUS_CHECK_COND, 599 SSD_KEY_ILLEGAL_REQUEST, 0x24, 0x00); 600 xpt_done(ccb); 601 return; 602 } 603 } 604 ccb->ccb_h.status = CAM_REQ_CMP; 605 break; 606 } 607 608 case REPORT_LUNS: 609 fwprintf(sc, HBA_FLAGS_DBG_COMM_B, 610 "Container REPORT_LUNS id %d lun %d len %d", 611 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 612 ccb->csio.dxfer_len); 613 ccb->ccb_h.status = CAM_REQ_CMP; 614 break; 615 616 case START_STOP: 617 { 618 struct scsi_start_stop_unit *ss = 619 (struct scsi_start_stop_unit *)cmdp; 620 fwprintf(sc, HBA_FLAGS_DBG_COMM_B, 621 "Container START_STOP id %d lun %d len %d", 622 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 623 ccb->csio.dxfer_len); 624 if (sc->aac_support_opt2 & AAC_SUPPORTED_POWER_MANAGEMENT) { 625 struct aac_command *cm; 626 struct aac_fib *fib; 627 struct aac_cnt_config *ccfg; 628 629 if (aacraid_alloc_command(sc, &cm)) { 630 struct aac_event *event; 631 632 xpt_freeze_simq(sim, 1); 633 ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 634 ccb->ccb_h.sim_priv.entries[0].ptr = camsc; 635 event = malloc(sizeof(struct aac_event), M_AACRAIDCAM, 636 M_NOWAIT | M_ZERO); 637 if (event == NULL) { 638 device_printf(sc->aac_dev, 639 "Warning, out of memory for event\n"); 640 return; 641 } 642 event->ev_callback = aac_cam_event; 643 event->ev_arg = ccb; 644 event->ev_type = AAC_EVENT_CMFREE; 645 aacraid_add_event(sc, event); 646 return; 647 } 648 649 fib = cm->cm_fib; 650 cm->cm_timestamp = time_uptime; 651 cm->cm_datalen = 0; 652 653 fib->Header.Size = 654 sizeof(struct aac_fib_header) + sizeof(struct aac_cnt_config); 655 fib->Header.XferState = 656 AAC_FIBSTATE_HOSTOWNED | 657 AAC_FIBSTATE_INITIALISED | 658 AAC_FIBSTATE_EMPTY | 659 AAC_FIBSTATE_FROMHOST | 660 AAC_FIBSTATE_REXPECTED | 661 AAC_FIBSTATE_NORM | 662 AAC_FIBSTATE_ASYNC | 663 AAC_FIBSTATE_FAST_RESPONSE; 664 fib->Header.Command = ContainerCommand; 665 666 /* Start unit */ 667 ccfg = (struct aac_cnt_config *)&fib->data[0]; 668 bzero(ccfg, sizeof (*ccfg) - CT_PACKET_SIZE); 669 ccfg->Command = VM_ContainerConfig; 670 ccfg->CTCommand.command = CT_PM_DRIVER_SUPPORT; 671 ccfg->CTCommand.param[0] = (ss->how & SSS_START ? 672 AAC_PM_DRIVERSUP_START_UNIT : 673 AAC_PM_DRIVERSUP_STOP_UNIT); 674 ccfg->CTCommand.param[1] = co->co_mntobj.ObjectId; 675 ccfg->CTCommand.param[2] = 0; /* 1 - immediate */ 676 677 if (aacraid_wait_command(cm) != 0 || 678 *(u_int32_t *)&fib->data[0] != 0) { 679 printf("Power Management: Error start/stop container %d\n", 680 co->co_mntobj.ObjectId); 681 } 682 aacraid_release_command(cm); 683 } 684 ccb->ccb_h.status = CAM_REQ_CMP; 685 break; 686 } 687 688 case TEST_UNIT_READY: 689 fwprintf(sc, HBA_FLAGS_DBG_COMM_B, 690 "Container TEST_UNIT_READY id %d lun %d len %d", 691 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 692 ccb->csio.dxfer_len); 693 ccb->ccb_h.status = CAM_REQ_CMP; 694 break; 695 696 case REQUEST_SENSE: 697 fwprintf(sc, HBA_FLAGS_DBG_COMM_B, 698 "Container REQUEST_SENSE id %d lun %d len %d", 699 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 700 ccb->csio.dxfer_len); 701 ccb->ccb_h.status = CAM_REQ_CMP; 702 break; 703 704 case READ_CAPACITY: 705 { 706 struct scsi_read_capacity_data *p = 707 (struct scsi_read_capacity_data *)ccb->csio.data_ptr; 708 fwprintf(sc, HBA_FLAGS_DBG_COMM_B, 709 "Container READ_CAPACITY id %d lun %d len %d", 710 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 711 ccb->csio.dxfer_len); 712 scsi_ulto4b(co->co_mntobj.ObjExtension.BlockSize, p->length); 713 /* check if greater than 2TB */ 714 if (co->co_mntobj.CapacityHigh) { 715 if (sc->flags & AAC_FLAGS_LBA_64BIT) 716 scsi_ulto4b(0xffffffff, p->addr); 717 } else { 718 scsi_ulto4b(co->co_mntobj.Capacity-1, p->addr); 719 } 720 ccb->ccb_h.status = CAM_REQ_CMP; 721 break; 722 } 723 724 case SERVICE_ACTION_IN: 725 { 726 struct scsi_read_capacity_data_long *p = 727 (struct scsi_read_capacity_data_long *) 728 ccb->csio.data_ptr; 729 fwprintf(sc, HBA_FLAGS_DBG_COMM_B, 730 "Container SERVICE_ACTION_IN id %d lun %d len %d", 731 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 732 ccb->csio.dxfer_len); 733 if (((struct scsi_read_capacity_16 *)cmdp)->service_action != 734 SRC16_SERVICE_ACTION) { 735 aac_set_scsi_error(sc, ccb, SCSI_STATUS_CHECK_COND, 736 SSD_KEY_ILLEGAL_REQUEST, 0x24, 0x00); 737 xpt_done(ccb); 738 return; 739 } 740 scsi_ulto4b(co->co_mntobj.ObjExtension.BlockSize, p->length); 741 scsi_ulto4b(co->co_mntobj.CapacityHigh, p->addr); 742 scsi_ulto4b(co->co_mntobj.Capacity-1, &p->addr[4]); 743 ccb->ccb_h.status = CAM_REQ_CMP; 744 break; 745 } 746 747 case MODE_SENSE_6: 748 { 749 struct scsi_mode_sense_6 *msp =(struct scsi_mode_sense_6 *)cmdp; 750 struct ms6_data { 751 struct scsi_mode_hdr_6 hd; 752 struct scsi_mode_block_descr bd; 753 char pages; 754 } *p = (struct ms6_data *)ccb->csio.data_ptr; 755 char *pagep; 756 int return_all_pages = FALSE; 757 758 fwprintf(sc, HBA_FLAGS_DBG_COMM_B, 759 "Container MODE_SENSE id %d lun %d len %d page %d", 760 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 761 ccb->csio.dxfer_len, msp->page); 762 p->hd.datalen = sizeof(struct scsi_mode_hdr_6) - 1; 763 if (co->co_mntobj.ContentState & AAC_FSCS_READONLY) 764 p->hd.dev_specific = 0x80; /* WP */ 765 p->hd.dev_specific |= 0x10; /* DPOFUA */ 766 if (msp->byte2 & SMS_DBD) { 767 p->hd.block_descr_len = 0; 768 } else { 769 p->hd.block_descr_len = 770 sizeof(struct scsi_mode_block_descr); 771 p->hd.datalen += p->hd.block_descr_len; 772 scsi_ulto3b(co->co_mntobj.ObjExtension.BlockSize, p->bd.block_len); 773 if (co->co_mntobj.Capacity > 0xffffff || 774 co->co_mntobj.CapacityHigh) { 775 p->bd.num_blocks[0] = 0xff; 776 p->bd.num_blocks[1] = 0xff; 777 p->bd.num_blocks[2] = 0xff; 778 } else { 779 p->bd.num_blocks[0] = (u_int8_t) 780 (co->co_mntobj.Capacity >> 16); 781 p->bd.num_blocks[1] = (u_int8_t) 782 (co->co_mntobj.Capacity >> 8); 783 p->bd.num_blocks[2] = (u_int8_t) 784 (co->co_mntobj.Capacity); 785 } 786 } 787 pagep = &p->pages; 788 switch (msp->page & SMS_PAGE_CODE) { 789 case SMS_ALL_PAGES_PAGE: 790 return_all_pages = TRUE; 791 case SMS_CONTROL_MODE_PAGE: 792 { 793 struct scsi_control_page *cp = 794 (struct scsi_control_page *)pagep; 795 796 if (ccb->csio.dxfer_len <= p->hd.datalen + 8) { 797 aac_set_scsi_error(sc, ccb, 798 SCSI_STATUS_CHECK_COND, 799 SSD_KEY_ILLEGAL_REQUEST, 0x24, 0x00); 800 xpt_done(ccb); 801 return; 802 } 803 cp->page_code = SMS_CONTROL_MODE_PAGE; 804 cp->page_length = 6; 805 p->hd.datalen += 8; 806 pagep += 8; 807 if (!return_all_pages) 808 break; 809 } 810 case SMS_VENDOR_SPECIFIC_PAGE: 811 break; 812 default: 813 aac_set_scsi_error(sc, ccb, SCSI_STATUS_CHECK_COND, 814 SSD_KEY_ILLEGAL_REQUEST, 0x24, 0x00); 815 xpt_done(ccb); 816 return; 817 } 818 ccb->ccb_h.status = CAM_REQ_CMP; 819 break; 820 } 821 822 case SYNCHRONIZE_CACHE: 823 fwprintf(sc, HBA_FLAGS_DBG_COMM_B, 824 "Container SYNCHRONIZE_CACHE id %d lun %d len %d", 825 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 826 ccb->csio.dxfer_len); 827 ccb->ccb_h.status = CAM_REQ_CMP; 828 break; 829 830 default: 831 fwprintf(sc, HBA_FLAGS_DBG_ERROR_B, 832 "Container unsupp. cmd 0x%x id %d lun %d len %d", 833 *cmdp, ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 834 ccb->csio.dxfer_len); 835 ccb->ccb_h.status = CAM_REQ_CMP; /*CAM_REQ_INVALID*/ 836 break; 837 } 838 xpt_done(ccb); 839} 840 841static void 842aac_passthrough_command(struct cam_sim *sim, union ccb *ccb) 843{ 844 struct aac_cam *camsc; 845 struct aac_softc *sc; 846 struct aac_command *cm; 847 struct aac_fib *fib; 848 struct aac_srb *srb; 849 850 camsc = (struct aac_cam *)cam_sim_softc(sim); 851 sc = camsc->inf->aac_sc; 852 mtx_assert(&sc->aac_io_lock, MA_OWNED); 853 854 if (aacraid_alloc_command(sc, &cm)) { 855 struct aac_event *event; 856 857 xpt_freeze_simq(sim, 1); 858 ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 859 ccb->ccb_h.sim_priv.entries[0].ptr = camsc; 860 event = malloc(sizeof(struct aac_event), M_AACRAIDCAM, 861 M_NOWAIT | M_ZERO); 862 if (event == NULL) { 863 device_printf(sc->aac_dev, 864 "Warning, out of memory for event\n"); 865 return; 866 } 867 event->ev_callback = aac_cam_event; 868 event->ev_arg = ccb; 869 event->ev_type = AAC_EVENT_CMFREE; 870 aacraid_add_event(sc, event); 871 return; 872 } 873 874 fib = cm->cm_fib; 875 switch (ccb->ccb_h.flags & CAM_DIR_MASK) { 876 case CAM_DIR_IN: 877 cm->cm_flags |= AAC_CMD_DATAIN; 878 break; 879 case CAM_DIR_OUT: 880 cm->cm_flags |= AAC_CMD_DATAOUT; 881 break; 882 case CAM_DIR_NONE: 883 break; 884 default: 885 cm->cm_flags |= AAC_CMD_DATAIN | AAC_CMD_DATAOUT; 886 break; 887 } 888 889 srb = (struct aac_srb *)&fib->data[0]; 890 srb->function = AAC_SRB_FUNC_EXECUTE_SCSI; 891 if (cm->cm_flags & (AAC_CMD_DATAIN|AAC_CMD_DATAOUT)) 892 srb->flags = AAC_SRB_FLAGS_UNSPECIFIED_DIRECTION; 893 if (cm->cm_flags & AAC_CMD_DATAIN) 894 srb->flags = AAC_SRB_FLAGS_DATA_IN; 895 else if (cm->cm_flags & AAC_CMD_DATAOUT) 896 srb->flags = AAC_SRB_FLAGS_DATA_OUT; 897 else 898 srb->flags = AAC_SRB_FLAGS_NO_DATA_XFER; 899 900 /* 901 * Copy the CDB into the SRB. It's only 6-16 bytes, 902 * so a copy is not too expensive. 903 */ 904 srb->cdb_len = ccb->csio.cdb_len; 905 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 906 bcopy(ccb->csio.cdb_io.cdb_ptr, (u_int8_t *)&srb->cdb[0], 907 srb->cdb_len); 908 else 909 bcopy(ccb->csio.cdb_io.cdb_bytes, (u_int8_t *)&srb->cdb[0], 910 srb->cdb_len); 911 912 /* Set command */ 913 fib->Header.Command = (sc->flags & AAC_FLAGS_SG_64BIT) ? 914 ScsiPortCommandU64 : ScsiPortCommand; 915 fib->Header.Size = sizeof(struct aac_fib_header) + 916 sizeof(struct aac_srb); 917 918 /* Map the s/g list */ 919 cm->cm_sgtable = &srb->sg_map; 920 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 921 /* 922 * Arrange things so that the S/G 923 * map will get set up automagically 924 */ 925 cm->cm_data = (void *)ccb->csio.data_ptr; 926 cm->cm_datalen = ccb->csio.dxfer_len; 927 srb->data_len = ccb->csio.dxfer_len; 928 } else { 929 cm->cm_data = NULL; 930 cm->cm_datalen = 0; 931 srb->data_len = 0; 932 } 933 934 srb->bus = camsc->inf->BusNumber - 1; /* Bus no. rel. to the card */ 935 srb->target = ccb->ccb_h.target_id; 936 srb->lun = ccb->ccb_h.target_lun; 937 srb->timeout = ccb->ccb_h.timeout; /* XXX */ 938 srb->retry_limit = 0; 939 940 cm->cm_complete = aac_cam_complete; 941 cm->cm_ccb = ccb; 942 cm->cm_timestamp = time_uptime; 943 944 fib->Header.XferState = 945 AAC_FIBSTATE_HOSTOWNED | 946 AAC_FIBSTATE_INITIALISED | 947 AAC_FIBSTATE_FROMHOST | 948 AAC_FIBSTATE_REXPECTED | 949 AAC_FIBSTATE_NORM | 950 AAC_FIBSTATE_ASYNC | 951 AAC_FIBSTATE_FAST_RESPONSE; 952 953 aac_enqueue_ready(cm); 954 aacraid_startio(cm->cm_sc); 955} 956 957static void 958aac_cam_action(struct cam_sim *sim, union ccb *ccb) 959{ 960 struct aac_cam *camsc; 961 struct aac_softc *sc; 962 963 camsc = (struct aac_cam *)cam_sim_softc(sim); 964 sc = camsc->inf->aac_sc; 965 fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 966 mtx_assert(&sc->aac_io_lock, MA_OWNED); 967 968 /* Synchronous ops, and ops that don't require communication with the 969 * controller */ 970 switch(ccb->ccb_h.func_code) { 971 case XPT_SCSI_IO: 972 /* This is handled down below */ 973 break; 974 case XPT_CALC_GEOMETRY: 975 { 976 struct ccb_calc_geometry *ccg; 977 u_int32_t size_mb; 978 u_int32_t secs_per_cylinder; 979 980 ccg = &ccb->ccg; 981 size_mb = ccg->volume_size / 982 ((1024L * 1024L) / ccg->block_size); 983 if (size_mb >= (2 * 1024)) { /* 2GB */ 984 ccg->heads = 255; 985 ccg->secs_per_track = 63; 986 } else if (size_mb >= (1 * 1024)) { /* 1GB */ 987 ccg->heads = 128; 988 ccg->secs_per_track = 32; 989 } else { 990 ccg->heads = 64; 991 ccg->secs_per_track = 32; 992 } 993 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 994 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 995 996 ccb->ccb_h.status = CAM_REQ_CMP; 997 xpt_done(ccb); 998 return; 999 } 1000 case XPT_PATH_INQ: 1001 { 1002 struct ccb_pathinq *cpi = &ccb->cpi; 1003 1004 cpi->version_num = 1; 1005 cpi->target_sprt = 0; 1006 cpi->hba_eng_cnt = 0; 1007 cpi->max_target = camsc->inf->TargetsPerBus; 1008 cpi->max_lun = 8; /* Per the controller spec */ 1009 cpi->initiator_id = camsc->inf->InitiatorBusId; 1010 cpi->bus_id = camsc->inf->BusNumber; 1011#if __FreeBSD_version >= 800000 1012 cpi->maxio = sc->aac_max_sectors << 9; 1013#endif 1014 1015 /* 1016 * Resetting via the passthrough or parallel bus scan 1017 * causes problems. 1018 */ 1019 cpi->hba_misc = PIM_NOBUSRESET; 1020 cpi->hba_inquiry = PI_TAG_ABLE; 1021 cpi->base_transfer_speed = 300000; 1022#ifdef CAM_NEW_TRAN_CODE 1023 cpi->hba_misc |= PIM_SEQSCAN; 1024 cpi->protocol = PROTO_SCSI; 1025 cpi->transport = XPORT_SAS; 1026 cpi->transport_version = 0; 1027 cpi->protocol_version = SCSI_REV_SPC2; 1028#endif 1029 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1030 strncpy(cpi->hba_vid, "PMC-Sierra", HBA_IDLEN); 1031 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1032 cpi->unit_number = cam_sim_unit(sim); 1033 ccb->ccb_h.status = CAM_REQ_CMP; 1034 xpt_done(ccb); 1035 return; 1036 } 1037 case XPT_GET_TRAN_SETTINGS: 1038 { 1039#ifdef CAM_NEW_TRAN_CODE 1040 struct ccb_trans_settings_scsi *scsi = 1041 &ccb->cts.proto_specific.scsi; 1042 struct ccb_trans_settings_spi *spi = 1043 &ccb->cts.xport_specific.spi; 1044 ccb->cts.protocol = PROTO_SCSI; 1045 ccb->cts.protocol_version = SCSI_REV_SPC2; 1046 ccb->cts.transport = XPORT_SAS; 1047 ccb->cts.transport_version = 0; 1048 scsi->valid = CTS_SCSI_VALID_TQ; 1049 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 1050 spi->valid |= CTS_SPI_VALID_DISC; 1051 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 1052#else 1053 ccb->cts.flags = ~(CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB); 1054 ccb->cts.valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 1055#endif 1056 ccb->ccb_h.status = CAM_REQ_CMP; 1057 xpt_done(ccb); 1058 return; 1059 } 1060 case XPT_SET_TRAN_SETTINGS: 1061 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1062 xpt_done(ccb); 1063 return; 1064 case XPT_RESET_BUS: 1065 if (!(sc->flags & AAC_FLAGS_CAM_NORESET) && 1066 camsc->inf->BusType != CONTAINER_BUS) { 1067 ccb->ccb_h.status = aac_cam_reset_bus(sim, ccb); 1068 } else { 1069 ccb->ccb_h.status = CAM_REQ_CMP; 1070 } 1071 xpt_done(ccb); 1072 return; 1073 case XPT_RESET_DEV: 1074 ccb->ccb_h.status = CAM_REQ_CMP; 1075 xpt_done(ccb); 1076 return; 1077 case XPT_ABORT: 1078 ccb->ccb_h.status = aac_cam_abort_ccb(sim, ccb); 1079 xpt_done(ccb); 1080 return; 1081 case XPT_TERM_IO: 1082 ccb->ccb_h.status = aac_cam_term_io(sim, ccb); 1083 xpt_done(ccb); 1084 return; 1085 default: 1086 device_printf(sc->aac_dev, "Unsupported command 0x%x\n", 1087 ccb->ccb_h.func_code); 1088 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 1089 xpt_done(ccb); 1090 return; 1091 } 1092 1093 /* Async ops that require communcation with the controller */ 1094 if (camsc->inf->BusType == CONTAINER_BUS) { 1095 u_int8_t *cmdp; 1096 1097 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 1098 cmdp = ccb->csio.cdb_io.cdb_ptr; 1099 else 1100 cmdp = &ccb->csio.cdb_io.cdb_bytes[0]; 1101 1102 if (*cmdp==READ_6 || *cmdp==WRITE_6 || *cmdp==READ_10 || 1103 *cmdp==WRITE_10 || *cmdp==READ_12 || *cmdp==WRITE_12 || 1104 *cmdp==READ_16 || *cmdp==WRITE_16) 1105 aac_container_rw_command(sim, ccb, cmdp); 1106 else 1107 aac_container_special_command(sim, ccb, cmdp); 1108 } else { 1109 aac_passthrough_command(sim, ccb); 1110 } 1111} 1112 1113static void 1114aac_cam_poll(struct cam_sim *sim) 1115{ 1116 /* 1117 * Pinging the interrupt routine isn't very safe, nor is it 1118 * really necessary. Do nothing. 1119 */ 1120} 1121 1122static void 1123aac_container_complete(struct aac_command *cm) 1124{ 1125 struct aac_softc *sc; 1126 union ccb *ccb; 1127 u_int32_t status; 1128 1129 sc = cm->cm_sc; 1130 fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 1131 ccb = cm->cm_ccb; 1132 status = ((u_int32_t *)cm->cm_fib->data)[0]; 1133 1134 if (cm->cm_flags & AAC_CMD_RESET) { 1135 ccb->ccb_h.status = CAM_SCSI_BUS_RESET; 1136 } else if (status == ST_OK) { 1137 ccb->ccb_h.status = CAM_REQ_CMP; 1138 } else if (status == ST_NOT_READY) { 1139 ccb->ccb_h.status = CAM_BUSY; 1140 } else { 1141 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1142 } 1143 1144 aacraid_release_command(cm); 1145 xpt_done(ccb); 1146} 1147 1148static void 1149aac_cam_complete(struct aac_command *cm) 1150{ 1151 union ccb *ccb; 1152 struct aac_srb_response *srbr; 1153 struct aac_softc *sc; 1154 1155 sc = cm->cm_sc; 1156 fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 1157 ccb = cm->cm_ccb; 1158 srbr = (struct aac_srb_response *)&cm->cm_fib->data[0]; 1159 1160 if (cm->cm_flags & AAC_CMD_FASTRESP) { 1161 /* fast response */ 1162 srbr->srb_status = CAM_REQ_CMP; 1163 srbr->scsi_status = SCSI_STATUS_OK; 1164 srbr->sense_len = 0; 1165 } 1166 1167 if (cm->cm_flags & AAC_CMD_RESET) { 1168 ccb->ccb_h.status = CAM_SCSI_BUS_RESET; 1169 } else if (srbr->fib_status != 0) { 1170 device_printf(sc->aac_dev, "Passthru FIB failed!\n"); 1171 ccb->ccb_h.status = CAM_REQ_ABORTED; 1172 } else { 1173 /* 1174 * The SRB error codes just happen to match the CAM error 1175 * codes. How convienient! 1176 */ 1177 ccb->ccb_h.status = srbr->srb_status; 1178 1179 /* Take care of SCSI_IO ops. */ 1180 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1181 u_int8_t command, device; 1182 1183 ccb->csio.scsi_status = srbr->scsi_status; 1184 1185 /* Take care of autosense */ 1186 if (srbr->sense_len) { 1187 int sense_len, scsi_sense_len; 1188 1189 scsi_sense_len = sizeof(struct scsi_sense_data); 1190 bzero(&ccb->csio.sense_data, scsi_sense_len); 1191 sense_len = (srbr->sense_len > 1192 scsi_sense_len) ? scsi_sense_len : 1193 srbr->sense_len; 1194 bcopy(&srbr->sense[0], &ccb->csio.sense_data, 1195 srbr->sense_len); 1196 ccb->csio.sense_len = sense_len; 1197 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 1198 // scsi_sense_print(&ccb->csio); 1199 } 1200 1201 /* If this is an inquiry command, fake things out */ 1202 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 1203 command = ccb->csio.cdb_io.cdb_ptr[0]; 1204 else 1205 command = ccb->csio.cdb_io.cdb_bytes[0]; 1206 1207 if (command == INQUIRY) { 1208 if (ccb->ccb_h.status == CAM_REQ_CMP) { 1209 device = ccb->csio.data_ptr[0] & 0x1f; 1210 /* 1211 * We want DASD and PROC devices to only be 1212 * visible through the pass device. 1213 */ 1214 if ((device == T_DIRECT && 1215 !(sc->aac_feature_bits & AAC_SUPPL_SUPPORTED_JBOD)) || 1216 (device == T_PROCESSOR) || 1217 (sc->flags & AAC_FLAGS_CAM_PASSONLY)) 1218 ccb->csio.data_ptr[0] = 1219 ((device & 0xe0) | T_NODEVICE); 1220 1221 } else if (ccb->ccb_h.status == CAM_SEL_TIMEOUT && 1222 ccb->ccb_h.target_lun != 0) { 1223 /* fix for INQUIRYs on Lun>0 */ 1224 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1225 } 1226 } 1227 } 1228 } 1229 1230 aacraid_release_command(cm); 1231 xpt_done(ccb); 1232} 1233 1234static u_int32_t 1235aac_cam_reset_bus(struct cam_sim *sim, union ccb *ccb) 1236{ 1237 struct aac_command *cm; 1238 struct aac_fib *fib; 1239 struct aac_softc *sc; 1240 struct aac_cam *camsc; 1241 struct aac_vmioctl *vmi; 1242 struct aac_resetbus *rbc; 1243 u_int32_t rval; 1244 1245 camsc = (struct aac_cam *)cam_sim_softc(sim); 1246 sc = camsc->inf->aac_sc; 1247 1248 if (sc == NULL) { 1249 printf("aac: Null sc?\n"); 1250 return (CAM_REQ_ABORTED); 1251 } 1252 1253 if (aacraid_alloc_command(sc, &cm)) { 1254 struct aac_event *event; 1255 1256 xpt_freeze_simq(sim, 1); 1257 ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1258 ccb->ccb_h.sim_priv.entries[0].ptr = camsc; 1259 event = malloc(sizeof(struct aac_event), M_AACRAIDCAM, 1260 M_NOWAIT | M_ZERO); 1261 if (event == NULL) { 1262 device_printf(sc->aac_dev, 1263 "Warning, out of memory for event\n"); 1264 return (CAM_REQ_ABORTED); 1265 } 1266 event->ev_callback = aac_cam_event; 1267 event->ev_arg = ccb; 1268 event->ev_type = AAC_EVENT_CMFREE; 1269 aacraid_add_event(sc, event); 1270 return (CAM_REQ_ABORTED); 1271 } 1272 1273 fib = cm->cm_fib; 1274 cm->cm_timestamp = time_uptime; 1275 cm->cm_datalen = 0; 1276 1277 fib->Header.Size = 1278 sizeof(struct aac_fib_header) + sizeof(struct aac_vmioctl); 1279 fib->Header.XferState = 1280 AAC_FIBSTATE_HOSTOWNED | 1281 AAC_FIBSTATE_INITIALISED | 1282 AAC_FIBSTATE_EMPTY | 1283 AAC_FIBSTATE_FROMHOST | 1284 AAC_FIBSTATE_REXPECTED | 1285 AAC_FIBSTATE_NORM | 1286 AAC_FIBSTATE_ASYNC | 1287 AAC_FIBSTATE_FAST_RESPONSE; 1288 fib->Header.Command = ContainerCommand; 1289 1290 vmi = (struct aac_vmioctl *)&fib->data[0]; 1291 bzero(vmi, sizeof(struct aac_vmioctl)); 1292 1293 vmi->Command = VM_Ioctl; 1294 vmi->ObjType = FT_DRIVE; 1295 vmi->MethId = sc->scsi_method_id; 1296 vmi->ObjId = 0; 1297 vmi->IoctlCmd = ResetBus; 1298 1299 rbc = (struct aac_resetbus *)&vmi->IoctlBuf[0]; 1300 rbc->BusNumber = camsc->inf->BusNumber - 1; 1301 1302 if (aacraid_wait_command(cm) != 0) { 1303 device_printf(sc->aac_dev,"Error sending ResetBus command\n"); 1304 rval = CAM_REQ_ABORTED; 1305 } else { 1306 rval = CAM_REQ_CMP; 1307 } 1308 aacraid_release_command(cm); 1309 return (rval); 1310} 1311 1312static u_int32_t 1313aac_cam_abort_ccb(struct cam_sim *sim, union ccb *ccb) 1314{ 1315 return (CAM_UA_ABORT); 1316} 1317 1318static u_int32_t 1319aac_cam_term_io(struct cam_sim *sim, union ccb *ccb) 1320{ 1321 return (CAM_UA_TERMIO); 1322} 1323 1324static int 1325aac_load_map_command_sg(struct aac_softc *sc, struct aac_command *cm) 1326{ 1327 int error; 1328 1329 fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 1330 error = bus_dmamap_load(sc->aac_buffer_dmat, 1331 cm->cm_datamap, cm->cm_data, cm->cm_datalen, 1332 aacraid_map_command_sg, cm, 0); 1333 if (error == EINPROGRESS) { 1334 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "freezing queue\n"); 1335 sc->flags |= AAC_QUEUE_FRZN; 1336 error = 0; 1337 } else if (error != 0) { 1338 panic("aac_load_map_command_sg: unexpected error %d from " 1339 "busdma", error); 1340 } 1341 return(error); 1342} 1343 1344/* 1345 * Start as much queued I/O as possible on the controller 1346 */ 1347void 1348aacraid_startio(struct aac_softc *sc) 1349{ 1350 struct aac_command *cm; 1351 1352 fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 1353 1354 for (;;) { 1355 if (sc->aac_state & AAC_STATE_RESET) { 1356 fwprintf(sc, HBA_FLAGS_DBG_ERROR_B, "AAC_STATE_RESET"); 1357 break; 1358 } 1359 /* 1360 * This flag might be set if the card is out of resources. 1361 * Checking it here prevents an infinite loop of deferrals. 1362 */ 1363 if (sc->flags & AAC_QUEUE_FRZN) { 1364 fwprintf(sc, HBA_FLAGS_DBG_ERROR_B, "AAC_QUEUE_FRZN"); 1365 break; 1366 } 1367 1368 /* 1369 * Try to get a command that's been put off for lack of 1370 * resources 1371 */ 1372 if (sc->flags & AAC_FLAGS_SYNC_MODE) { 1373 /* sync. transfer mode */ 1374 if (sc->aac_sync_cm) 1375 break; 1376 cm = aac_dequeue_ready(sc); 1377 sc->aac_sync_cm = cm; 1378 } else { 1379 cm = aac_dequeue_ready(sc); 1380 } 1381 1382 /* nothing to do? */ 1383 if (cm == NULL) 1384 break; 1385 1386 /* don't map more than once */ 1387 if (cm->cm_flags & AAC_CMD_MAPPED) 1388 panic("aac: command %p already mapped", cm); 1389 1390 /* 1391 * Set up the command to go to the controller. If there are no 1392 * data buffers associated with the command then it can bypass 1393 * busdma. 1394 */ 1395 if (cm->cm_datalen) 1396 aac_load_map_command_sg(sc, cm); 1397 else 1398 aacraid_map_command_sg(cm, NULL, 0, 0); 1399 } 1400} 1401