1/*- 2 * Copyright (c) 2000 Michael Smith 3 * Copyright (c) 2000 BSDi 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 * Copyright (c) 2002 Eric Moore 29 * Copyright (c) 2002 LSI Logic Corporation 30 * All rights reserved. 31 * 32 * Redistribution and use in source and binary forms, with or without 33 * modification, are permitted provided that the following conditions 34 * are met: 35 * 1. Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * 2. Redistributions in binary form must reproduce the above copyright 38 * notice, this list of conditions and the following disclaimer in the 39 * documentation and/or other materials provided with the distribution. 40 * 3. The party using or redistributing the source code and binary forms 41 * agrees to the disclaimer below and the terms and conditions set forth 42 * herein. 43 * 44 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 45 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 46 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 47 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 48 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 49 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 50 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 51 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 52 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 53 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 54 * SUCH DAMAGE. 55 */ 56 57#include <sys/cdefs.h> 58__FBSDID("$FreeBSD: stable/11/sys/dev/amr/amr_cam.c 315812 2017-03-23 06:40:20Z mav $"); 59 60#include <sys/param.h> 61#include <sys/systm.h> 62#include <sys/malloc.h> 63#include <sys/kernel.h> 64#include <sys/module.h> 65 66#include <sys/bio.h> 67#include <sys/bus.h> 68#include <sys/conf.h> 69#include <sys/stat.h> 70 71#include <cam/cam.h> 72#include <cam/cam_ccb.h> 73#include <cam/cam_sim.h> 74#include <cam/cam_xpt.h> 75#include <cam/cam_xpt_sim.h> 76#include <cam/cam_debug.h> 77#include <cam/scsi/scsi_all.h> 78#include <cam/scsi/scsi_message.h> 79 80#include <machine/resource.h> 81#include <machine/bus.h> 82 83#include <dev/amr/amrreg.h> 84#include <dev/amr/amrvar.h> 85 86static int amr_cam_probe(device_t dev); 87static int amr_cam_attach(device_t dev); 88static int amr_cam_detach(device_t dev); 89static void amr_cam_action(struct cam_sim *sim, union ccb *ccb); 90static void amr_cam_poll(struct cam_sim *sim); 91static void amr_cam_complete(struct amr_command *ac); 92static int amr_cam_command(struct amr_softc *sc, struct amr_command **acp); 93 94static devclass_t amr_pass_devclass; 95 96static device_method_t amr_pass_methods[] = { 97 DEVMETHOD(device_probe, amr_cam_probe), 98 DEVMETHOD(device_attach, amr_cam_attach), 99 DEVMETHOD(device_detach, amr_cam_detach), 100 { 0, 0 } 101}; 102 103static driver_t amr_pass_driver = { 104 "amrp", 105 amr_pass_methods, 106 0 107}; 108 109DRIVER_MODULE(amrp, amr, amr_pass_driver, amr_pass_devclass, 0, 0); 110MODULE_DEPEND(amrp, cam, 1, 1, 1); 111 112static MALLOC_DEFINE(M_AMRCAM, "amrcam", "AMR CAM memory"); 113 114/*********************************************************************** 115 * Enqueue/dequeue functions 116 */ 117static __inline void 118amr_enqueue_ccb(struct amr_softc *sc, union ccb *ccb) 119{ 120 121 TAILQ_INSERT_TAIL(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 122} 123 124static __inline void 125amr_requeue_ccb(struct amr_softc *sc, union ccb *ccb) 126{ 127 128 TAILQ_INSERT_HEAD(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 129} 130 131static __inline union ccb * 132amr_dequeue_ccb(struct amr_softc *sc) 133{ 134 union ccb *ccb; 135 136 if ((ccb = (union ccb *)TAILQ_FIRST(&sc->amr_cam_ccbq)) != NULL) 137 TAILQ_REMOVE(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 138 return(ccb); 139} 140 141static int 142amr_cam_probe(device_t dev) 143{ 144 return (0); 145} 146 147/******************************************************************************** 148 * Attach our 'real' SCSI channels to CAM 149 */ 150static int 151amr_cam_attach(device_t dev) 152{ 153 struct amr_softc *sc; 154 struct cam_devq *devq; 155 int chn, error; 156 157 sc = device_get_softc(dev); 158 159 /* initialise the ccb queue */ 160 TAILQ_INIT(&sc->amr_cam_ccbq); 161 162 /* 163 * Allocate a devq for all our channels combined. This should 164 * allow for the maximum number of SCSI commands we will accept 165 * at one time. Save the pointer in the softc so we can find it later 166 * during detach. 167 */ 168 if ((devq = cam_simq_alloc(AMR_MAX_SCSI_CMDS)) == NULL) 169 return(ENOMEM); 170 sc->amr_cam_devq = devq; 171 172 /* 173 * Iterate over our channels, registering them with CAM 174 */ 175 for (chn = 0; chn < sc->amr_maxchan; chn++) { 176 177 /* allocate a sim */ 178 if ((sc->amr_cam_sim[chn] = cam_sim_alloc(amr_cam_action, 179 amr_cam_poll, "amr", sc, device_get_unit(sc->amr_dev), 180 &sc->amr_list_lock, 1, AMR_MAX_SCSI_CMDS, devq)) == NULL) { 181 cam_simq_free(devq); 182 device_printf(sc->amr_dev, "CAM SIM attach failed\n"); 183 return(ENOMEM); 184 } 185 186 /* register the bus ID so we can get it later */ 187 mtx_lock(&sc->amr_list_lock); 188 error = xpt_bus_register(sc->amr_cam_sim[chn], sc->amr_dev,chn); 189 mtx_unlock(&sc->amr_list_lock); 190 if (error) { 191 device_printf(sc->amr_dev, 192 "CAM XPT bus registration failed\n"); 193 return(ENXIO); 194 } 195 } 196 /* 197 * XXX we should scan the config and work out which devices are 198 * actually protected. 199 */ 200 sc->amr_cam_command = amr_cam_command; 201 return(0); 202} 203 204/******************************************************************************** 205 * Disconnect ourselves from CAM 206 */ 207static int 208amr_cam_detach(device_t dev) 209{ 210 struct amr_softc *sc; 211 int chn; 212 213 sc = device_get_softc(dev); 214 mtx_lock(&sc->amr_list_lock); 215 for (chn = 0; chn < sc->amr_maxchan; chn++) { 216 /* 217 * If a sim was allocated for this channel, free it 218 */ 219 if (sc->amr_cam_sim[chn] != NULL) { 220 xpt_bus_deregister(cam_sim_path(sc->amr_cam_sim[chn])); 221 cam_sim_free(sc->amr_cam_sim[chn], FALSE); 222 } 223 } 224 mtx_unlock(&sc->amr_list_lock); 225 226 /* Now free the devq */ 227 if (sc->amr_cam_devq != NULL) 228 cam_simq_free(sc->amr_cam_devq); 229 230 return (0); 231} 232 233/*********************************************************************** 234 *********************************************************************** 235 CAM passthrough interface 236 *********************************************************************** 237 ***********************************************************************/ 238 239/*********************************************************************** 240 * Handle a request for action from CAM 241 */ 242static void 243amr_cam_action(struct cam_sim *sim, union ccb *ccb) 244{ 245 struct amr_softc *sc = cam_sim_softc(sim); 246 247 switch(ccb->ccb_h.func_code) { 248 249 /* 250 * Perform SCSI I/O to a physical device. 251 */ 252 case XPT_SCSI_IO: 253 { 254 struct ccb_hdr *ccbh = &ccb->ccb_h; 255 struct ccb_scsiio *csio = &ccb->csio; 256 257 /* Validate the CCB */ 258 ccbh->status = CAM_REQ_INPROG; 259 260 /* check the CDB length */ 261 if (csio->cdb_len > AMR_MAX_EXTCDB_LEN) 262 ccbh->status = CAM_REQ_INVALID; 263 264 if ((csio->cdb_len > AMR_MAX_CDB_LEN) && 265 (sc->support_ext_cdb == 0)) 266 ccbh->status = CAM_REQ_INVALID; 267 268 /* check that the CDB pointer is not to a physical address */ 269 if ((ccbh->flags & CAM_CDB_POINTER) && 270 (ccbh->flags & CAM_CDB_PHYS)) 271 ccbh->status = CAM_REQ_INVALID; 272 /* 273 * if there is data transfer, it must be to/from a virtual 274 * address 275 */ 276 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 277 if ((ccbh->flags & CAM_DATA_MASK) != CAM_DATA_VADDR) 278 /* we can't map it */ 279 ccbh->status = CAM_REQ_INVALID; 280 } 281 282 /* 283 * If the command is to a LUN other than 0, fail it. 284 * This is probably incorrect, but during testing the 285 * firmware did not seem to respect the LUN field, and thus 286 * devices appear echoed. 287 */ 288 if (csio->ccb_h.target_lun != 0) 289 ccbh->status = CAM_DEV_NOT_THERE; 290 291 /* if we're happy with the request, queue it for attention */ 292 if (ccbh->status == CAM_REQ_INPROG) { 293 294 /* save the channel number in the ccb */ 295 csio->ccb_h.sim_priv.entries[0].field= cam_sim_bus(sim); 296 297 amr_enqueue_ccb(sc, ccb); 298 amr_startio(sc); 299 return; 300 } 301 break; 302 } 303 304 case XPT_CALC_GEOMETRY: 305 { 306 cam_calc_geometry(&ccb->ccg, /*extended*/1); 307 break; 308 } 309 310 /* 311 * Return path stats. Some of these should probably be amended. 312 */ 313 case XPT_PATH_INQ: 314 { 315 struct ccb_pathinq *cpi = & ccb->cpi; 316 317 debug(3, "XPT_PATH_INQ"); 318 cpi->version_num = 1; /* XXX??? */ 319 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 320 cpi->target_sprt = 0; 321 cpi->hba_misc = PIM_NOBUSRESET|PIM_SEQSCAN; 322 cpi->hba_eng_cnt = 0; 323 cpi->max_target = AMR_MAX_TARGETS; 324 cpi->max_lun = 0 /* AMR_MAX_LUNS*/; 325 cpi->initiator_id = 7; /* XXX variable? */ 326 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 327 strlcpy(cpi->hba_vid, "LSI", HBA_IDLEN); 328 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 329 cpi->unit_number = cam_sim_unit(sim); 330 cpi->bus_id = cam_sim_bus(sim); 331 cpi->base_transfer_speed = 132 * 1024; /* XXX */ 332 cpi->transport = XPORT_SPI; 333 cpi->transport_version = 2; 334 cpi->protocol = PROTO_SCSI; 335 cpi->protocol_version = SCSI_REV_2; 336 cpi->ccb_h.status = CAM_REQ_CMP; 337 338 break; 339 } 340 341 case XPT_RESET_BUS: 342 { 343 struct ccb_pathinq *cpi = & ccb->cpi; 344 345 debug(1, "XPT_RESET_BUS"); 346 cpi->ccb_h.status = CAM_REQ_CMP; 347 break; 348 } 349 350 case XPT_RESET_DEV: 351 { 352 debug(1, "XPT_RESET_DEV"); 353 ccb->ccb_h.status = CAM_REQ_CMP; 354 break; 355 } 356 357 case XPT_GET_TRAN_SETTINGS: 358 { 359 struct ccb_trans_settings *cts = &(ccb->cts); 360 361 debug(3, "XPT_GET_TRAN_SETTINGS"); 362 363 struct ccb_trans_settings_scsi *scsi; 364 struct ccb_trans_settings_spi *spi; 365 366 scsi = &cts->proto_specific.scsi; 367 spi = &cts->xport_specific.spi; 368 369 cts->protocol = PROTO_SCSI; 370 cts->protocol_version = SCSI_REV_2; 371 cts->transport = XPORT_SPI; 372 cts->transport_version = 2; 373 374 if (cts->type == CTS_TYPE_USER_SETTINGS) { 375 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 376 break; 377 } 378 379 spi->flags = CTS_SPI_FLAGS_DISC_ENB; 380 spi->bus_width = MSG_EXT_WDTR_BUS_32_BIT; 381 spi->sync_period = 6; /* 40MHz how wide is this bus? */ 382 spi->sync_offset = 31; /* How to extract this from board? */ 383 384 spi->valid = CTS_SPI_VALID_SYNC_RATE 385 | CTS_SPI_VALID_SYNC_OFFSET 386 | CTS_SPI_VALID_BUS_WIDTH 387 | CTS_SPI_VALID_DISC; 388 scsi->valid = CTS_SCSI_VALID_TQ; 389 ccb->ccb_h.status = CAM_REQ_CMP; 390 break; 391 } 392 393 case XPT_SET_TRAN_SETTINGS: 394 debug(3, "XPT_SET_TRAN_SETTINGS"); 395 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 396 break; 397 398 399 /* 400 * Reject anything else as unsupported. 401 */ 402 default: 403 /* we can't do this */ 404 ccb->ccb_h.status = CAM_REQ_INVALID; 405 break; 406 } 407 408 mtx_assert(&sc->amr_list_lock, MA_OWNED); 409 xpt_done(ccb); 410} 411 412/*********************************************************************** 413 * Convert a CAM CCB off the top of the CCB queue to a passthrough SCSI 414 * command. 415 */ 416static int 417amr_cam_command(struct amr_softc *sc, struct amr_command **acp) 418{ 419 struct amr_command *ac; 420 struct amr_passthrough *ap; 421 struct amr_ext_passthrough *aep; 422 struct ccb_scsiio *csio; 423 int bus, target, error; 424 425 error = 0; 426 ac = NULL; 427 ap = NULL; 428 aep = NULL; 429 430 /* check to see if there is a ccb for us to work with */ 431 if ((csio = (struct ccb_scsiio *)amr_dequeue_ccb(sc)) == NULL) 432 goto out; 433 434 /* get bus/target, XXX validate against protected devices? */ 435 bus = csio->ccb_h.sim_priv.entries[0].field; 436 target = csio->ccb_h.target_id; 437 438 /* 439 * Build a passthrough command. 440 */ 441 442 /* construct command */ 443 if ((ac = amr_alloccmd(sc)) == NULL) { 444 error = ENOMEM; 445 goto out; 446 } 447 448 /* construct passthrough */ 449 if (sc->support_ext_cdb ) { 450 aep = &ac->ac_ccb->ccb_epthru; 451 aep->ap_timeout = 2; 452 aep->ap_ars = 1; 453 aep->ap_request_sense_length = 14; 454 aep->ap_islogical = 0; 455 aep->ap_channel = bus; 456 aep->ap_scsi_id = target; 457 aep->ap_logical_drive_no = csio->ccb_h.target_lun; 458 aep->ap_cdb_length = csio->cdb_len; 459 aep->ap_data_transfer_length = csio->dxfer_len; 460 if (csio->ccb_h.flags & CAM_CDB_POINTER) { 461 bcopy(csio->cdb_io.cdb_ptr, aep->ap_cdb, csio->cdb_len); 462 } else { 463 bcopy(csio->cdb_io.cdb_bytes, aep->ap_cdb, 464 csio->cdb_len); 465 } 466 /* 467 * we leave the data s/g list and s/g count to the map routine 468 * later 469 */ 470 471 debug(2, " COMMAND %x/%d+%d to %d:%d:%d", aep->ap_cdb[0], 472 aep->ap_cdb_length, csio->dxfer_len, aep->ap_channel, 473 aep->ap_scsi_id, aep->ap_logical_drive_no); 474 475 } else { 476 ap = &ac->ac_ccb->ccb_pthru; 477 ap->ap_timeout = 0; 478 ap->ap_ars = 1; 479 ap->ap_request_sense_length = 14; 480 ap->ap_islogical = 0; 481 ap->ap_channel = bus; 482 ap->ap_scsi_id = target; 483 ap->ap_logical_drive_no = csio->ccb_h.target_lun; 484 ap->ap_cdb_length = csio->cdb_len; 485 ap->ap_data_transfer_length = csio->dxfer_len; 486 if (csio->ccb_h.flags & CAM_CDB_POINTER) { 487 bcopy(csio->cdb_io.cdb_ptr, ap->ap_cdb, csio->cdb_len); 488 } else { 489 bcopy(csio->cdb_io.cdb_bytes, ap->ap_cdb, 490 csio->cdb_len); 491 } 492 /* 493 * we leave the data s/g list and s/g count to the map routine 494 * later 495 */ 496 497 debug(2, " COMMAND %x/%d+%d to %d:%d:%d", ap->ap_cdb[0], 498 ap->ap_cdb_length, csio->dxfer_len, ap->ap_channel, 499 ap->ap_scsi_id, ap->ap_logical_drive_no); 500 } 501 502 ac->ac_flags |= AMR_CMD_CCB; 503 504 ac->ac_data = csio->data_ptr; 505 ac->ac_length = csio->dxfer_len; 506 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 507 ac->ac_flags |= AMR_CMD_DATAIN; 508 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 509 ac->ac_flags |= AMR_CMD_DATAOUT; 510 511 ac->ac_private = csio; 512 ac->ac_complete = amr_cam_complete; 513 if ( sc->support_ext_cdb ) { 514 ac->ac_mailbox.mb_command = AMR_CMD_EXTPASS; 515 } else { 516 ac->ac_mailbox.mb_command = AMR_CMD_PASS; 517 } 518 519out: 520 if (error != 0) { 521 if (ac != NULL) 522 amr_releasecmd(ac); 523 if (csio != NULL) 524 /* put it back and try again later */ 525 amr_requeue_ccb(sc, (union ccb *)csio); 526 } 527 *acp = ac; 528 return(error); 529} 530 531/*********************************************************************** 532 * Check for interrupt status 533 */ 534static void 535amr_cam_poll(struct cam_sim *sim) 536{ 537 538 amr_done(cam_sim_softc(sim)); 539} 540 541 /********************************************************************** 542 * Handle completion of a command submitted via CAM. 543 */ 544static void 545amr_cam_complete(struct amr_command *ac) 546{ 547 struct amr_passthrough *ap; 548 struct amr_ext_passthrough *aep; 549 struct ccb_scsiio *csio; 550 struct scsi_inquiry_data *inq; 551 int scsi_status, cdb0; 552 553 ap = &ac->ac_ccb->ccb_pthru; 554 aep = &ac->ac_ccb->ccb_epthru; 555 csio = (struct ccb_scsiio *)ac->ac_private; 556 inq = (struct scsi_inquiry_data *)csio->data_ptr; 557 558 if (ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS) 559 scsi_status = aep->ap_scsi_status; 560 else 561 scsi_status = ap->ap_scsi_status; 562 debug(1, "status 0x%x AP scsi_status 0x%x", ac->ac_status, 563 scsi_status); 564 565 /* Make sure the status is sane */ 566 if ((ac->ac_status != AMR_STATUS_SUCCESS) && (scsi_status == 0)) { 567 csio->ccb_h.status = CAM_REQ_CMP_ERR; 568 goto out; 569 } 570 571 /* 572 * Hide disks from CAM so that they're not picked up and treated as 573 * 'normal' disks. 574 * 575 * If the configuration provides a mechanism to mark a disk a "not 576 * managed", we could add handling for that to allow disks to be 577 * selectively visible. 578 */ 579 580 /* handle passthrough SCSI status */ 581 switch(scsi_status) { 582 case 0: /* completed OK */ 583 if (ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS) 584 cdb0 = aep->ap_cdb[0]; 585 else 586 cdb0 = ap->ap_cdb[0]; 587 if ((cdb0 == INQUIRY) && (SID_TYPE(inq) == T_DIRECT)) 588 inq->device = (inq->device & 0xe0) | T_NODEVICE; 589 csio->ccb_h.status = CAM_REQ_CMP; 590 break; 591 592 case 0x02: 593 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR; 594 csio->scsi_status = SCSI_STATUS_CHECK_COND; 595 if (ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS) 596 bcopy(aep->ap_request_sense_area, &csio->sense_data, 597 AMR_MAX_REQ_SENSE_LEN); 598 else 599 bcopy(ap->ap_request_sense_area, &csio->sense_data, 600 AMR_MAX_REQ_SENSE_LEN); 601 csio->sense_len = AMR_MAX_REQ_SENSE_LEN; 602 csio->ccb_h.status |= CAM_AUTOSNS_VALID; 603 break; 604 605 case 0x08: 606 csio->ccb_h.status = CAM_SCSI_BUSY; 607 break; 608 609 case 0xf0: 610 case 0xf4: 611 default: 612 /* 613 * Non-zero LUNs are already filtered, so there's no need 614 * to return CAM_DEV_NOT_THERE. 615 */ 616 csio->ccb_h.status = CAM_SEL_TIMEOUT; 617 break; 618 } 619 620out: 621 if ((csio->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) 622 debug(2, "%*D\n", imin(csio->dxfer_len, 16), csio->data_ptr, 623 " "); 624 625 mtx_lock(&ac->ac_sc->amr_list_lock); 626 xpt_done((union ccb *)csio); 627 amr_releasecmd(ac); 628 mtx_unlock(&ac->ac_sc->amr_list_lock); 629} 630