1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2013,2014 Ilya Bakulin <ilya@bakulin.de> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer, 12 * without modification, immediately at the beginning of the file. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/bus.h> 34 #include <sys/endian.h> 35 #include <sys/systm.h> 36 #include <sys/types.h> 37 #include <sys/malloc.h> 38 #include <sys/kernel.h> 39 #include <sys/time.h> 40 #include <sys/conf.h> 41 #include <sys/fcntl.h> 42 #include <sys/interrupt.h> 43 #include <sys/sbuf.h> 44 45 #include <sys/lock.h> 46 #include <sys/mutex.h> 47 #include <sys/sysctl.h> 48 #include <sys/condvar.h> 49 50 #include <cam/cam.h> 51 #include <cam/cam_ccb.h> 52 #include <cam/cam_queue.h> 53 #include <cam/cam_periph.h> 54 #include <cam/cam_sim.h> 55 #include <cam/cam_xpt.h> 56 #include <cam/cam_xpt_sim.h> 57 #include <cam/cam_xpt_periph.h> 58 #include <cam/cam_xpt_internal.h> 59 #include <cam/cam_debug.h> 60 61 #include <cam/mmc/mmc.h> 62 #include <cam/mmc/mmc_bus.h> 63 64 #include <machine/stdarg.h> /* for xpt_print below */ 65 #include <machine/_inttypes.h> /* for PRIu64 */ 66 #include "opt_cam.h" 67 68 FEATURE(mmccam, "CAM-based MMC/SD/SDIO stack"); 69 70 static struct cam_ed * mmc_alloc_device(struct cam_eb *bus, 71 struct cam_et *target, lun_id_t lun_id); 72 static void mmc_dev_async(u_int32_t async_code, struct cam_eb *bus, 73 struct cam_et *target, struct cam_ed *device, void *async_arg); 74 static void mmc_action(union ccb *start_ccb); 75 static void mmc_dev_advinfo(union ccb *start_ccb); 76 static void mmc_announce_periph(struct cam_periph *periph); 77 static void mmc_scan_lun(struct cam_periph *periph, 78 struct cam_path *path, cam_flags flags, union ccb *ccb); 79 80 /* mmcprobe methods */ 81 static cam_status mmcprobe_register(struct cam_periph *periph, void *arg); 82 static void mmcprobe_start(struct cam_periph *periph, union ccb *start_ccb); 83 static void mmcprobe_cleanup(struct cam_periph *periph); 84 static void mmcprobe_done(struct cam_periph *periph, union ccb *done_ccb); 85 86 static void mmc_proto_announce(struct cam_ed *device); 87 static void mmc_proto_denounce(struct cam_ed *device); 88 static void mmc_proto_debug_out(union ccb *ccb); 89 90 typedef enum { 91 PROBE_RESET, 92 PROBE_IDENTIFY, 93 PROBE_SDIO_RESET, 94 PROBE_SEND_IF_COND, 95 PROBE_SDIO_INIT, 96 PROBE_MMC_INIT, 97 PROBE_SEND_APP_OP_COND, 98 PROBE_GET_CID, 99 PROBE_GET_CSD, 100 PROBE_SEND_RELATIVE_ADDR, 101 PROBE_MMC_SET_RELATIVE_ADDR, 102 PROBE_SELECT_CARD, 103 PROBE_DONE, 104 PROBE_INVALID 105 } probe_action; 106 107 static char *probe_action_text[] = { 108 "PROBE_RESET", 109 "PROBE_IDENTIFY", 110 "PROBE_SDIO_RESET", 111 "PROBE_SEND_IF_COND", 112 "PROBE_SDIO_INIT", 113 "PROBE_MMC_INIT", 114 "PROBE_SEND_APP_OP_COND", 115 "PROBE_GET_CID", 116 "PROBE_GET_CSD", 117 "PROBE_SEND_RELATIVE_ADDR", 118 "PROBE_MMC_SET_RELATIVE_ADDR", 119 "PROBE_SELECT_CARD", 120 "PROBE_DONE", 121 "PROBE_INVALID" 122 }; 123 124 #define PROBE_SET_ACTION(softc, newaction) \ 125 do { \ 126 char **text; \ 127 text = probe_action_text; \ 128 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_PROBE, \ 129 ("Probe %s to %s\n", text[(softc)->action], \ 130 text[(newaction)])); \ 131 (softc)->action = (newaction); \ 132 } while(0) 133 134 static struct xpt_xport_ops mmc_xport_ops = { 135 .alloc_device = mmc_alloc_device, 136 .action = mmc_action, 137 .async = mmc_dev_async, 138 .announce = mmc_announce_periph, 139 }; 140 141 #define MMC_XPT_XPORT(x, X) \ 142 static struct xpt_xport mmc_xport_ ## x = { \ 143 .xport = XPORT_ ## X, \ 144 .name = #x, \ 145 .ops = &mmc_xport_ops, \ 146 }; \ 147 CAM_XPT_XPORT(mmc_xport_ ## x); 148 149 MMC_XPT_XPORT(mmc, MMCSD); 150 151 static struct xpt_proto_ops mmc_proto_ops = { 152 .announce = mmc_proto_announce, 153 .denounce = mmc_proto_denounce, 154 .debug_out = mmc_proto_debug_out, 155 }; 156 157 static struct xpt_proto mmc_proto = { 158 .proto = PROTO_MMCSD, 159 .name = "mmcsd", 160 .ops = &mmc_proto_ops, 161 }; 162 CAM_XPT_PROTO(mmc_proto); 163 164 typedef struct { 165 probe_action action; 166 int restart; 167 union ccb saved_ccb; 168 uint32_t flags; 169 #define PROBE_FLAG_ACMD_SENT 0x1 /* CMD55 is sent, card expects ACMD */ 170 uint8_t acmd41_count; /* how many times ACMD41 has been issued */ 171 struct cam_periph *periph; 172 } mmcprobe_softc; 173 174 /* XPort functions -- an interface to CAM at periph side */ 175 176 static struct cam_ed * 177 mmc_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 178 { 179 struct cam_ed *device; 180 181 printf("mmc_alloc_device()\n"); 182 device = xpt_alloc_device(bus, target, lun_id); 183 if (device == NULL) 184 return (NULL); 185 186 device->quirk = NULL; 187 device->mintags = 0; 188 device->maxtags = 0; 189 bzero(&device->inq_data, sizeof(device->inq_data)); 190 device->inq_flags = 0; 191 device->queue_flags = 0; 192 device->serial_num = NULL; 193 device->serial_num_len = 0; 194 return (device); 195 } 196 197 static void 198 mmc_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 199 struct cam_ed *device, void *async_arg) 200 { 201 202 printf("mmc_dev_async(async_code=0x%x, path_id=%d, target_id=%x, lun_id=%" SCNx64 "\n", 203 async_code, 204 bus->path_id, 205 target->target_id, 206 device->lun_id); 207 /* 208 * We only need to handle events for real devices. 209 */ 210 if (target->target_id == CAM_TARGET_WILDCARD 211 || device->lun_id == CAM_LUN_WILDCARD) 212 return; 213 214 if (async_code == AC_LOST_DEVICE) { 215 if ((device->flags & CAM_DEV_UNCONFIGURED) == 0) { 216 printf("AC_LOST_DEVICE -> set to unconfigured\n"); 217 device->flags |= CAM_DEV_UNCONFIGURED; 218 xpt_release_device(device); 219 } else { 220 printf("AC_LOST_DEVICE on unconfigured device\n"); 221 } 222 } else if (async_code == AC_FOUND_DEVICE) { 223 printf("Got AC_FOUND_DEVICE -- whatever...\n"); 224 } else if (async_code == AC_PATH_REGISTERED) { 225 printf("Got AC_PATH_REGISTERED -- whatever...\n"); 226 } else if (async_code == AC_PATH_DEREGISTERED ) { 227 printf("Got AC_PATH_DEREGISTERED -- whatever...\n"); 228 } else if (async_code == AC_UNIT_ATTENTION) { 229 printf("Got interrupt generated by the card and ignored it\n"); 230 } else 231 panic("Unknown async code\n"); 232 } 233 234 /* Taken from nvme_scan_lun, thanks to bsdimp@ */ 235 static void 236 mmc_scan_lun(struct cam_periph *periph, struct cam_path *path, 237 cam_flags flags, union ccb *request_ccb) 238 { 239 struct ccb_pathinq cpi; 240 cam_status status; 241 struct cam_periph *old_periph; 242 int lock; 243 244 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("mmc_scan_lun\n")); 245 246 xpt_path_inq(&cpi, path); 247 248 if (cpi.ccb_h.status != CAM_REQ_CMP) { 249 if (request_ccb != NULL) { 250 request_ccb->ccb_h.status = cpi.ccb_h.status; 251 xpt_done(request_ccb); 252 } 253 return; 254 } 255 256 if (xpt_path_lun_id(path) == CAM_LUN_WILDCARD) { 257 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("mmd_scan_lun ignoring bus\n")); 258 request_ccb->ccb_h.status = CAM_REQ_CMP; /* XXX signal error ? */ 259 xpt_done(request_ccb); 260 return; 261 } 262 263 lock = (xpt_path_owned(path) == 0); 264 if (lock) 265 xpt_path_lock(path); 266 267 if ((old_periph = cam_periph_find(path, "mmcprobe")) != NULL) { 268 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 269 // mmcprobe_softc *softc; 270 // softc = (mmcprobe_softc *)old_periph->softc; 271 // Not sure if we need request ccb queue for mmc 272 // TAILQ_INSERT_TAIL(&softc->request_ccbs, 273 // &request_ccb->ccb_h, periph_links.tqe); 274 // softc->restart = 1; 275 CAM_DEBUG(path, CAM_DEBUG_INFO, 276 ("Got scan request, but mmcprobe already exists\n")); 277 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 278 xpt_done(request_ccb); 279 } else { 280 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 281 xpt_done(request_ccb); 282 } 283 } else { 284 xpt_print(path, " Set up the mmcprobe device...\n"); 285 286 status = cam_periph_alloc(mmcprobe_register, NULL, 287 mmcprobe_cleanup, 288 mmcprobe_start, 289 "mmcprobe", 290 CAM_PERIPH_BIO, 291 path, NULL, 0, 292 request_ccb); 293 if (status != CAM_REQ_CMP) { 294 xpt_print(path, "xpt_scan_lun: cam_alloc_periph " 295 "returned an error, can't continue probe\n"); 296 } 297 request_ccb->ccb_h.status = status; 298 xpt_done(request_ccb); 299 } 300 301 if (lock) 302 xpt_path_unlock(path); 303 } 304 305 static void 306 mmc_action(union ccb *start_ccb) 307 { 308 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, 309 ("mmc_action! func_code=%x, action %s\n", start_ccb->ccb_h.func_code, 310 xpt_action_name(start_ccb->ccb_h.func_code))); 311 switch (start_ccb->ccb_h.func_code) { 312 313 case XPT_SCAN_BUS: 314 /* FALLTHROUGH */ 315 case XPT_SCAN_TGT: 316 /* FALLTHROUGH */ 317 case XPT_SCAN_LUN: 318 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_INFO, 319 ("XPT_SCAN_{BUS,TGT,LUN}\n")); 320 mmc_scan_lun(start_ccb->ccb_h.path->periph, 321 start_ccb->ccb_h.path, start_ccb->crcn.flags, 322 start_ccb); 323 break; 324 325 case XPT_DEV_ADVINFO: 326 { 327 mmc_dev_advinfo(start_ccb); 328 break; 329 } 330 331 default: 332 xpt_action_default(start_ccb); 333 break; 334 } 335 } 336 337 static void 338 mmc_dev_advinfo(union ccb *start_ccb) 339 { 340 struct cam_ed *device; 341 struct ccb_dev_advinfo *cdai; 342 off_t amt; 343 344 xpt_path_assert(start_ccb->ccb_h.path, MA_OWNED); 345 start_ccb->ccb_h.status = CAM_REQ_INVALID; 346 device = start_ccb->ccb_h.path->device; 347 cdai = &start_ccb->cdai; 348 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, 349 ("%s: request %x\n", __func__, cdai->buftype)); 350 351 /* We don't support writing any data */ 352 if (cdai->flags & CDAI_FLAG_STORE) 353 panic("Attempt to store data?!"); 354 355 switch(cdai->buftype) { 356 case CDAI_TYPE_SCSI_DEVID: 357 cdai->provsiz = device->device_id_len; 358 if (device->device_id_len == 0) 359 break; 360 amt = MIN(cdai->provsiz, cdai->bufsiz); 361 memcpy(cdai->buf, device->device_id, amt); 362 break; 363 case CDAI_TYPE_SERIAL_NUM: 364 cdai->provsiz = device->serial_num_len; 365 if (device->serial_num_len == 0) 366 break; 367 amt = MIN(cdai->provsiz, cdai->bufsiz); 368 memcpy(cdai->buf, device->serial_num, amt); 369 break; 370 case CDAI_TYPE_PHYS_PATH: /* pass(4) wants this */ 371 cdai->provsiz = 0; 372 break; 373 case CDAI_TYPE_MMC_PARAMS: 374 cdai->provsiz = sizeof(struct mmc_params); 375 amt = MIN(cdai->provsiz, cdai->bufsiz); 376 memcpy(cdai->buf, &device->mmc_ident_data, amt); 377 break; 378 default: 379 panic("Unknown buftype"); 380 return; 381 } 382 start_ccb->ccb_h.status = CAM_REQ_CMP; 383 } 384 385 static void 386 mmc_announce_periph(struct cam_periph *periph) 387 { 388 struct ccb_pathinq cpi; 389 struct ccb_trans_settings cts; 390 struct cam_path *path = periph->path; 391 392 cam_periph_assert(periph, MA_OWNED); 393 394 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 395 ("mmc_announce_periph: called\n")); 396 397 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 398 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 399 cts.type = CTS_TYPE_CURRENT_SETTINGS; 400 xpt_action((union ccb*)&cts); 401 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 402 return; 403 xpt_path_inq(&cpi, periph->path); 404 printf("XPT info: CLK %04X, ...\n", cts.proto_specific.mmc.ios.clock); 405 } 406 407 /* This func is called per attached device :-( */ 408 void 409 mmc_print_ident(struct mmc_params *ident_data) 410 { 411 printf("Relative addr: %08x\n", ident_data->card_rca); 412 printf("Card features: <"); 413 if (ident_data->card_features & CARD_FEATURE_MMC) 414 printf("MMC "); 415 if (ident_data->card_features & CARD_FEATURE_MEMORY) 416 printf("Memory "); 417 if (ident_data->card_features & CARD_FEATURE_SDHC) 418 printf("High-Capacity "); 419 if (ident_data->card_features & CARD_FEATURE_SD20) 420 printf("SD2.0-Conditions "); 421 if (ident_data->card_features & CARD_FEATURE_SDIO) 422 printf("SDIO "); 423 printf(">\n"); 424 425 if (ident_data->card_features & CARD_FEATURE_MEMORY) 426 printf("Card memory OCR: %08x\n", ident_data->card_ocr); 427 428 if (ident_data->card_features & CARD_FEATURE_SDIO) { 429 printf("Card IO OCR: %08x\n", ident_data->io_ocr); 430 printf("Number of funcitions: %u\n", ident_data->sdio_func_count); 431 } 432 } 433 434 static void 435 mmc_proto_announce(struct cam_ed *device) 436 { 437 mmc_print_ident(&device->mmc_ident_data); 438 } 439 440 static void 441 mmc_proto_denounce(struct cam_ed *device) 442 { 443 mmc_print_ident(&device->mmc_ident_data); 444 } 445 446 static void 447 mmc_proto_debug_out(union ccb *ccb) 448 { 449 if (ccb->ccb_h.func_code != XPT_MMC_IO) 450 return; 451 452 CAM_DEBUG(ccb->ccb_h.path, 453 CAM_DEBUG_CDB,("mmc_proto_debug_out\n")); 454 } 455 456 static periph_init_t probe_periph_init; 457 458 static struct periph_driver probe_driver = 459 { 460 probe_periph_init, "mmcprobe", 461 TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 462 CAM_PERIPH_DRV_EARLY 463 }; 464 465 PERIPHDRIVER_DECLARE(mmcprobe, probe_driver); 466 467 #define CARD_ID_FREQUENCY 400000 /* Spec requires 400kHz max during ID phase. */ 468 469 static void 470 probe_periph_init(void) 471 { 472 } 473 474 static cam_status 475 mmcprobe_register(struct cam_periph *periph, void *arg) 476 { 477 mmcprobe_softc *softc; 478 union ccb *request_ccb; /* CCB representing the probe request */ 479 int status; 480 481 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("mmcprobe_register\n")); 482 483 request_ccb = (union ccb *)arg; 484 if (request_ccb == NULL) { 485 printf("mmcprobe_register: no probe CCB, " 486 "can't register device\n"); 487 return(CAM_REQ_CMP_ERR); 488 } 489 490 softc = (mmcprobe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT); 491 492 if (softc == NULL) { 493 printf("proberegister: Unable to probe new device. " 494 "Unable to allocate softc\n"); 495 return(CAM_REQ_CMP_ERR); 496 } 497 498 softc->flags = 0; 499 softc->acmd41_count = 0; 500 periph->softc = softc; 501 softc->periph = periph; 502 softc->action = PROBE_INVALID; 503 softc->restart = 0; 504 status = cam_periph_acquire(periph); 505 506 memset(&periph->path->device->mmc_ident_data, 0, sizeof(struct mmc_params)); 507 if (status != 0) { 508 printf("proberegister: cam_periph_acquire failed (status=%d)\n", 509 status); 510 return (CAM_REQ_CMP_ERR); 511 } 512 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n")); 513 514 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) 515 PROBE_SET_ACTION(softc, PROBE_RESET); 516 else 517 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 518 519 /* This will kick the ball */ 520 xpt_schedule(periph, CAM_PRIORITY_XPT); 521 522 return(CAM_REQ_CMP); 523 } 524 525 static int 526 mmc_highest_voltage(uint32_t ocr) 527 { 528 int i; 529 530 for (i = MMC_OCR_MAX_VOLTAGE_SHIFT; 531 i >= MMC_OCR_MIN_VOLTAGE_SHIFT; i--) 532 if (ocr & (1 << i)) 533 return (i); 534 return (-1); 535 } 536 537 static inline void 538 init_standard_ccb(union ccb *ccb, uint32_t cmd) 539 { 540 ccb->ccb_h.func_code = cmd; 541 ccb->ccb_h.flags = CAM_DIR_OUT; 542 ccb->ccb_h.retry_count = 0; 543 ccb->ccb_h.timeout = 15 * 1000; 544 ccb->ccb_h.cbfcnp = mmcprobe_done; 545 } 546 547 static void 548 mmcprobe_start(struct cam_periph *periph, union ccb *start_ccb) 549 { 550 mmcprobe_softc *softc; 551 struct cam_path *path; 552 struct ccb_mmcio *mmcio; 553 struct mtx *p_mtx = cam_periph_mtx(periph); 554 struct ccb_trans_settings_mmc *cts; 555 556 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("mmcprobe_start\n")); 557 softc = (mmcprobe_softc *)periph->softc; 558 path = start_ccb->ccb_h.path; 559 mmcio = &start_ccb->mmcio; 560 cts = &start_ccb->cts.proto_specific.mmc; 561 struct mmc_params *mmcp = &path->device->mmc_ident_data; 562 563 memset(&mmcio->cmd, 0, sizeof(struct mmc_command)); 564 565 if (softc->restart) { 566 softc->restart = 0; 567 if (path->device->flags & CAM_DEV_UNCONFIGURED) 568 softc->action = PROBE_RESET; 569 else 570 softc->action = PROBE_IDENTIFY; 571 572 } 573 574 /* Here is the place where the identify fun begins */ 575 switch (softc->action) { 576 case PROBE_RESET: 577 /* FALLTHROUGH */ 578 case PROBE_IDENTIFY: 579 xpt_path_inq(&start_ccb->cpi, periph->path); 580 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("Start with PROBE_RESET\n")); 581 init_standard_ccb(start_ccb, XPT_GET_TRAN_SETTINGS); 582 xpt_action(start_ccb); 583 if (cts->ios.power_mode != power_off) { 584 init_standard_ccb(start_ccb, XPT_SET_TRAN_SETTINGS); 585 cts->ios.power_mode = power_off; 586 cts->ios_valid = MMC_PM; 587 xpt_action(start_ccb); 588 mtx_sleep(periph, p_mtx, 0, "mmcios", 100); 589 } 590 /* mmc_power_up */ 591 /* Get the host OCR */ 592 init_standard_ccb(start_ccb, XPT_GET_TRAN_SETTINGS); 593 xpt_action(start_ccb); 594 595 uint32_t hv = mmc_highest_voltage(cts->host_ocr); 596 init_standard_ccb(start_ccb, XPT_SET_TRAN_SETTINGS); 597 cts->ios.vdd = hv; 598 cts->ios.bus_mode = opendrain; 599 cts->ios.chip_select = cs_dontcare; 600 cts->ios.power_mode = power_up; 601 cts->ios.bus_width = bus_width_1; 602 cts->ios.clock = 0; 603 cts->ios_valid = MMC_VDD | MMC_PM | MMC_BM | 604 MMC_CS | MMC_BW | MMC_CLK; 605 xpt_action(start_ccb); 606 mtx_sleep(periph, p_mtx, 0, "mmcios", 100); 607 608 init_standard_ccb(start_ccb, XPT_SET_TRAN_SETTINGS); 609 cts->ios.power_mode = power_on; 610 cts->ios.clock = CARD_ID_FREQUENCY; 611 cts->ios.timing = bus_timing_normal; 612 cts->ios_valid = MMC_PM | MMC_CLK | MMC_BT; 613 xpt_action(start_ccb); 614 mtx_sleep(periph, p_mtx, 0, "mmcios", 100); 615 /* End for mmc_power_on */ 616 617 /* Begin mmc_idle_cards() */ 618 init_standard_ccb(start_ccb, XPT_SET_TRAN_SETTINGS); 619 cts->ios.chip_select = cs_high; 620 cts->ios_valid = MMC_CS; 621 xpt_action(start_ccb); 622 mtx_sleep(periph, p_mtx, 0, "mmcios", 1); 623 624 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("Send first XPT_MMC_IO\n")); 625 init_standard_ccb(start_ccb, XPT_MMC_IO); 626 mmcio->cmd.opcode = MMC_GO_IDLE_STATE; /* CMD 0 */ 627 mmcio->cmd.arg = 0; 628 mmcio->cmd.flags = MMC_RSP_NONE | MMC_CMD_BC; 629 mmcio->cmd.data = NULL; 630 mmcio->stop.opcode = 0; 631 632 /* XXX Reset I/O portion as well */ 633 break; 634 case PROBE_SDIO_RESET: 635 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, 636 ("Start with PROBE_SDIO_RESET\n")); 637 uint32_t mmc_arg = SD_IO_RW_ADR(SD_IO_CCCR_CTL) 638 | SD_IO_RW_DAT(CCCR_CTL_RES) | SD_IO_RW_WR | SD_IO_RW_RAW; 639 cam_fill_mmcio(&start_ccb->mmcio, 640 /*retries*/ 0, 641 /*cbfcnp*/ mmcprobe_done, 642 /*flags*/ CAM_DIR_NONE, 643 /*mmc_opcode*/ SD_IO_RW_DIRECT, 644 /*mmc_arg*/ mmc_arg, 645 /*mmc_flags*/ MMC_RSP_R5 | MMC_CMD_AC, 646 /*mmc_data*/ NULL, 647 /*timeout*/ 1000); 648 break; 649 case PROBE_SEND_IF_COND: 650 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, 651 ("Start with PROBE_SEND_IF_COND\n")); 652 init_standard_ccb(start_ccb, XPT_MMC_IO); 653 mmcio->cmd.opcode = SD_SEND_IF_COND; /* CMD 8 */ 654 mmcio->cmd.arg = (1 << 8) + 0xAA; 655 mmcio->cmd.flags = MMC_RSP_R7 | MMC_CMD_BCR; 656 mmcio->stop.opcode = 0; 657 break; 658 659 case PROBE_SDIO_INIT: 660 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, 661 ("Start with PROBE_SDIO_INIT\n")); 662 init_standard_ccb(start_ccb, XPT_MMC_IO); 663 mmcio->cmd.opcode = IO_SEND_OP_COND; /* CMD 5 */ 664 mmcio->cmd.arg = mmcp->io_ocr; 665 mmcio->cmd.flags = MMC_RSP_R4; 666 mmcio->stop.opcode = 0; 667 break; 668 669 case PROBE_MMC_INIT: 670 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, 671 ("Start with PROBE_MMC_INIT\n")); 672 init_standard_ccb(start_ccb, XPT_MMC_IO); 673 mmcio->cmd.opcode = MMC_SEND_OP_COND; /* CMD 1 */ 674 mmcio->cmd.arg = MMC_OCR_CCS | mmcp->card_ocr; /* CCS + ocr */; 675 mmcio->cmd.flags = MMC_RSP_R3 | MMC_CMD_BCR; 676 mmcio->stop.opcode = 0; 677 break; 678 679 case PROBE_SEND_APP_OP_COND: 680 init_standard_ccb(start_ccb, XPT_MMC_IO); 681 if (softc->flags & PROBE_FLAG_ACMD_SENT) { 682 mmcio->cmd.opcode = ACMD_SD_SEND_OP_COND; /* CMD 41 */ 683 /* 684 * We set CCS bit because we do support SDHC cards. 685 * XXX: Don't set CCS if no response to CMD8. 686 */ 687 uint32_t cmd_arg = MMC_OCR_CCS | mmcp->card_ocr; /* CCS + ocr */ 688 if (softc->acmd41_count < 10 && mmcp->card_ocr != 0 ) 689 cmd_arg |= MMC_OCR_S18R; 690 mmcio->cmd.arg = cmd_arg; 691 mmcio->cmd.flags = MMC_RSP_R3 | MMC_CMD_BCR; 692 softc->acmd41_count++; 693 } else { 694 mmcio->cmd.opcode = MMC_APP_CMD; /* CMD 55 */ 695 mmcio->cmd.arg = 0; /* rca << 16 */ 696 mmcio->cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; 697 } 698 mmcio->stop.opcode = 0; 699 break; 700 701 case PROBE_GET_CID: /* XXX move to mmc_da */ 702 init_standard_ccb(start_ccb, XPT_MMC_IO); 703 mmcio->cmd.opcode = MMC_ALL_SEND_CID; 704 mmcio->cmd.arg = 0; 705 mmcio->cmd.flags = MMC_RSP_R2 | MMC_CMD_BCR; 706 mmcio->stop.opcode = 0; 707 break; 708 case PROBE_SEND_RELATIVE_ADDR: 709 init_standard_ccb(start_ccb, XPT_MMC_IO); 710 mmcio->cmd.opcode = SD_SEND_RELATIVE_ADDR; 711 mmcio->cmd.arg = 0; 712 mmcio->cmd.flags = MMC_RSP_R6 | MMC_CMD_BCR; 713 mmcio->stop.opcode = 0; 714 break; 715 case PROBE_MMC_SET_RELATIVE_ADDR: 716 init_standard_ccb(start_ccb, XPT_MMC_IO); 717 mmcio->cmd.opcode = MMC_SET_RELATIVE_ADDR; 718 mmcio->cmd.arg = MMC_PROPOSED_RCA << 16; 719 mmcio->cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; 720 mmcio->stop.opcode = 0; 721 break; 722 case PROBE_SELECT_CARD: 723 init_standard_ccb(start_ccb, XPT_MMC_IO); 724 mmcio->cmd.opcode = MMC_SELECT_CARD; 725 mmcio->cmd.arg = (uint32_t)path->device->mmc_ident_data.card_rca << 16; 726 mmcio->cmd.flags = MMC_RSP_R1B | MMC_CMD_AC; 727 mmcio->stop.opcode = 0; 728 break; 729 case PROBE_GET_CSD: /* XXX move to mmc_da */ 730 init_standard_ccb(start_ccb, XPT_MMC_IO); 731 mmcio->cmd.opcode = MMC_SEND_CSD; 732 mmcio->cmd.arg = (uint32_t)path->device->mmc_ident_data.card_rca << 16; 733 mmcio->cmd.flags = MMC_RSP_R2 | MMC_CMD_BCR; 734 mmcio->stop.opcode = 0; 735 break; 736 case PROBE_DONE: 737 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("Start with PROBE_DONE\n")); 738 init_standard_ccb(start_ccb, XPT_SET_TRAN_SETTINGS); 739 cts->ios.bus_mode = pushpull; 740 cts->ios_valid = MMC_BM; 741 xpt_action(start_ccb); 742 return; 743 /* NOTREACHED */ 744 break; 745 case PROBE_INVALID: 746 break; 747 default: 748 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("probestart: invalid action state 0x%x\n", softc->action)); 749 panic("default: case in mmc_probe_start()"); 750 } 751 752 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 753 xpt_action(start_ccb); 754 } 755 756 static void mmcprobe_cleanup(struct cam_periph *periph) 757 { 758 free(periph->softc, M_CAMXPT); 759 } 760 761 static void 762 mmcprobe_done(struct cam_periph *periph, union ccb *done_ccb) 763 { 764 mmcprobe_softc *softc; 765 struct cam_path *path; 766 767 int err; 768 struct ccb_mmcio *mmcio; 769 u_int32_t priority; 770 771 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("mmcprobe_done\n")); 772 softc = (mmcprobe_softc *)periph->softc; 773 path = done_ccb->ccb_h.path; 774 priority = done_ccb->ccb_h.pinfo.priority; 775 776 switch (softc->action) { 777 case PROBE_RESET: 778 /* FALLTHROUGH */ 779 case PROBE_IDENTIFY: 780 { 781 printf("Starting completion of PROBE_RESET\n"); 782 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("done with PROBE_RESET\n")); 783 mmcio = &done_ccb->mmcio; 784 err = mmcio->cmd.error; 785 786 if (err != MMC_ERR_NONE) { 787 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 788 ("GO_IDLE_STATE failed with error %d\n", 789 err)); 790 791 /* There was a device there, but now it's gone... */ 792 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 793 xpt_async(AC_LOST_DEVICE, path, NULL); 794 } 795 PROBE_SET_ACTION(softc, PROBE_INVALID); 796 break; 797 } 798 path->device->protocol = PROTO_MMCSD; 799 PROBE_SET_ACTION(softc, PROBE_SEND_IF_COND); 800 break; 801 } 802 case PROBE_SEND_IF_COND: 803 { 804 mmcio = &done_ccb->mmcio; 805 err = mmcio->cmd.error; 806 struct mmc_params *mmcp = &path->device->mmc_ident_data; 807 808 if (err != MMC_ERR_NONE || mmcio->cmd.resp[0] != 0x1AA) { 809 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 810 ("IF_COND: error %d, pattern %08x\n", 811 err, mmcio->cmd.resp[0])); 812 } else { 813 mmcp->card_features |= CARD_FEATURE_SD20; 814 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 815 ("SD 2.0 interface conditions: OK\n")); 816 817 } 818 PROBE_SET_ACTION(softc, PROBE_SDIO_RESET); 819 break; 820 } 821 case PROBE_SDIO_RESET: 822 { 823 mmcio = &done_ccb->mmcio; 824 err = mmcio->cmd.error; 825 826 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 827 ("SDIO_RESET: error %d, CCCR CTL register: %08x\n", 828 err, mmcio->cmd.resp[0])); 829 PROBE_SET_ACTION(softc, PROBE_SDIO_INIT); 830 break; 831 } 832 case PROBE_SDIO_INIT: 833 { 834 mmcio = &done_ccb->mmcio; 835 err = mmcio->cmd.error; 836 struct mmc_params *mmcp = &path->device->mmc_ident_data; 837 838 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 839 ("SDIO_INIT: error %d, %08x %08x %08x %08x\n", 840 err, mmcio->cmd.resp[0], 841 mmcio->cmd.resp[1], 842 mmcio->cmd.resp[2], 843 mmcio->cmd.resp[3])); 844 845 /* 846 * Error here means that this card is not SDIO, 847 * so proceed with memory init as if nothing has happened 848 */ 849 if (err != MMC_ERR_NONE) { 850 PROBE_SET_ACTION(softc, PROBE_SEND_APP_OP_COND); 851 break; 852 } 853 mmcp->card_features |= CARD_FEATURE_SDIO; 854 uint32_t ioifcond = mmcio->cmd.resp[0]; 855 uint32_t io_ocr = ioifcond & R4_IO_OCR_MASK; 856 857 mmcp->sdio_func_count = R4_IO_NUM_FUNCTIONS(ioifcond); 858 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 859 ("SDIO card: %d functions\n", mmcp->sdio_func_count)); 860 if (io_ocr == 0) { 861 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 862 ("SDIO OCR invalid?!\n")); 863 break; /* Retry */ 864 } 865 866 if (io_ocr != 0 && mmcp->io_ocr == 0) { 867 mmcp->io_ocr = io_ocr; 868 break; /* Retry, this time with non-0 OCR */ 869 } 870 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 871 ("SDIO OCR: %08x\n", mmcp->io_ocr)); 872 873 if (ioifcond & R4_IO_MEM_PRESENT) { 874 /* Combo card -- proceed to memory initialization */ 875 PROBE_SET_ACTION(softc, PROBE_SEND_APP_OP_COND); 876 } else { 877 /* No memory portion -- get RCA and select card */ 878 PROBE_SET_ACTION(softc, PROBE_SEND_RELATIVE_ADDR); 879 } 880 break; 881 } 882 case PROBE_MMC_INIT: 883 { 884 mmcio = &done_ccb->mmcio; 885 err = mmcio->cmd.error; 886 struct mmc_params *mmcp = &path->device->mmc_ident_data; 887 888 if (err != MMC_ERR_NONE) { 889 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 890 ("MMC_INIT: error %d, resp %08x\n", 891 err, mmcio->cmd.resp[0])); 892 PROBE_SET_ACTION(softc, PROBE_INVALID); 893 break; 894 } 895 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 896 ("MMC card, OCR %08x\n", mmcio->cmd.resp[0])); 897 898 if (mmcp->card_ocr == 0) { 899 /* We haven't sent the OCR to the card yet -- do it */ 900 mmcp->card_ocr = mmcio->cmd.resp[0]; 901 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 902 ("-> sending OCR to card\n")); 903 break; 904 } 905 906 if (!(mmcio->cmd.resp[0] & MMC_OCR_CARD_BUSY)) { 907 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 908 ("Card is still powering up\n")); 909 break; 910 } 911 912 mmcp->card_features |= CARD_FEATURE_MMC | CARD_FEATURE_MEMORY; 913 PROBE_SET_ACTION(softc, PROBE_GET_CID); 914 break; 915 } 916 case PROBE_SEND_APP_OP_COND: 917 { 918 mmcio = &done_ccb->mmcio; 919 err = mmcio->cmd.error; 920 921 if (err != MMC_ERR_NONE) { 922 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 923 ("APP_OP_COND: error %d, resp %08x\n", 924 err, mmcio->cmd.resp[0])); 925 PROBE_SET_ACTION(softc, PROBE_MMC_INIT); 926 break; 927 } 928 929 if (!(softc->flags & PROBE_FLAG_ACMD_SENT)) { 930 /* Don't change the state */ 931 softc->flags |= PROBE_FLAG_ACMD_SENT; 932 break; 933 } 934 935 softc->flags &= ~PROBE_FLAG_ACMD_SENT; 936 if ((mmcio->cmd.resp[0] & MMC_OCR_CARD_BUSY) || 937 (mmcio->cmd.arg & MMC_OCR_VOLTAGE) == 0) { 938 struct mmc_params *mmcp = &path->device->mmc_ident_data; 939 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 940 ("Card OCR: %08x\n", mmcio->cmd.resp[0])); 941 if (mmcp->card_ocr == 0) { 942 mmcp->card_ocr = mmcio->cmd.resp[0]; 943 /* Now when we know OCR that we want -- send it to card */ 944 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 945 ("-> sending OCR to card\n")); 946 } else { 947 /* We already know the OCR and despite of that we 948 * are processing the answer to ACMD41 -> move on 949 */ 950 PROBE_SET_ACTION(softc, PROBE_GET_CID); 951 } 952 /* Getting an answer to ACMD41 means the card has memory */ 953 mmcp->card_features |= CARD_FEATURE_MEMORY; 954 955 /* Standard capacity vs High Capacity memory card */ 956 if (mmcio->cmd.resp[0] & MMC_OCR_CCS) { 957 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 958 ("Card is SDHC\n")); 959 mmcp->card_features |= CARD_FEATURE_SDHC; 960 } 961 962 /* Whether the card supports 1.8V signaling */ 963 if (mmcio->cmd.resp[0] & MMC_OCR_S18A) { 964 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 965 ("Card supports 1.8V signaling\n")); 966 mmcp->card_features |= CARD_FEATURE_18V; 967 } 968 } else { 969 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 970 ("Card not ready: %08x\n", mmcio->cmd.resp[0])); 971 /* Send CMD55+ACMD41 once again */ 972 PROBE_SET_ACTION(softc, PROBE_SEND_APP_OP_COND); 973 } 974 975 break; 976 } 977 case PROBE_GET_CID: /* XXX move to mmc_da */ 978 { 979 mmcio = &done_ccb->mmcio; 980 err = mmcio->cmd.error; 981 982 if (err != MMC_ERR_NONE) { 983 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 984 ("PROBE_GET_CID: error %d\n", err)); 985 PROBE_SET_ACTION(softc, PROBE_INVALID); 986 break; 987 } 988 989 struct mmc_params *mmcp = &path->device->mmc_ident_data; 990 memcpy(mmcp->card_cid, mmcio->cmd.resp, 4 * sizeof(uint32_t)); 991 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 992 ("CID %08x%08x%08x%08x\n", 993 mmcp->card_cid[0], 994 mmcp->card_cid[1], 995 mmcp->card_cid[2], 996 mmcp->card_cid[3])); 997 if (mmcp->card_features & CARD_FEATURE_MMC) 998 PROBE_SET_ACTION(softc, PROBE_MMC_SET_RELATIVE_ADDR); 999 else 1000 PROBE_SET_ACTION(softc, PROBE_SEND_RELATIVE_ADDR); 1001 break; 1002 } 1003 case PROBE_SEND_RELATIVE_ADDR: { 1004 mmcio = &done_ccb->mmcio; 1005 err = mmcio->cmd.error; 1006 struct mmc_params *mmcp = &path->device->mmc_ident_data; 1007 uint16_t rca = mmcio->cmd.resp[0] >> 16; 1008 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1009 ("Card published RCA: %u\n", rca)); 1010 path->device->mmc_ident_data.card_rca = rca; 1011 if (err != MMC_ERR_NONE) { 1012 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1013 ("PROBE_SEND_RELATIVE_ADDR: error %d\n", err)); 1014 PROBE_SET_ACTION(softc, PROBE_INVALID); 1015 break; 1016 } 1017 1018 /* If memory is present, get CSD, otherwise select card */ 1019 if (mmcp->card_features & CARD_FEATURE_MEMORY) 1020 PROBE_SET_ACTION(softc, PROBE_GET_CSD); 1021 else 1022 PROBE_SET_ACTION(softc, PROBE_SELECT_CARD); 1023 break; 1024 } 1025 case PROBE_MMC_SET_RELATIVE_ADDR: 1026 mmcio = &done_ccb->mmcio; 1027 err = mmcio->cmd.error; 1028 if (err != MMC_ERR_NONE) { 1029 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1030 ("PROBE_MMC_SET_RELATIVE_ADDR: error %d\n", err)); 1031 PROBE_SET_ACTION(softc, PROBE_INVALID); 1032 break; 1033 } 1034 path->device->mmc_ident_data.card_rca = MMC_PROPOSED_RCA; 1035 PROBE_SET_ACTION(softc, PROBE_GET_CSD); 1036 break; 1037 case PROBE_GET_CSD: { 1038 mmcio = &done_ccb->mmcio; 1039 err = mmcio->cmd.error; 1040 1041 if (err != MMC_ERR_NONE) { 1042 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1043 ("PROBE_GET_CSD: error %d\n", err)); 1044 PROBE_SET_ACTION(softc, PROBE_INVALID); 1045 break; 1046 } 1047 1048 struct mmc_params *mmcp = &path->device->mmc_ident_data; 1049 memcpy(mmcp->card_csd, mmcio->cmd.resp, 4 * sizeof(uint32_t)); 1050 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1051 ("CSD %08x%08x%08x%08x\n", 1052 mmcp->card_csd[0], 1053 mmcp->card_csd[1], 1054 mmcp->card_csd[2], 1055 mmcp->card_csd[3])); 1056 PROBE_SET_ACTION(softc, PROBE_SELECT_CARD); 1057 break; 1058 } 1059 case PROBE_SELECT_CARD: { 1060 mmcio = &done_ccb->mmcio; 1061 err = mmcio->cmd.error; 1062 if (err != MMC_ERR_NONE) { 1063 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1064 ("PROBE_SEND_RELATIVE_ADDR: error %d\n", err)); 1065 PROBE_SET_ACTION(softc, PROBE_INVALID); 1066 break; 1067 } 1068 1069 PROBE_SET_ACTION(softc, PROBE_DONE); 1070 break; 1071 } 1072 default: 1073 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1074 ("mmc_probedone: invalid action state 0x%x\n", softc->action)); 1075 panic("default: case in mmc_probe_done()"); 1076 } 1077 1078 if (softc->action == PROBE_INVALID && 1079 (path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 1080 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1081 ("mmc_probedone: Should send AC_LOST_DEVICE but won't for now\n")); 1082 //xpt_async(AC_LOST_DEVICE, path, NULL); 1083 } 1084 1085 if (softc->action != PROBE_INVALID) 1086 xpt_schedule(periph, priority); 1087 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ 1088 int frozen = cam_release_devq(path, 0, 0, 0, FALSE); 1089 printf("mmc_probedone: remaining freezecnt %d\n", frozen); 1090 1091 if (softc->action == PROBE_DONE) { 1092 /* Notify the system that the device is found! */ 1093 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1094 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1095 xpt_acquire_device(path->device); 1096 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1097 xpt_action(done_ccb); 1098 xpt_async(AC_FOUND_DEVICE, path, done_ccb); 1099 } 1100 } 1101 xpt_release_ccb(done_ccb); 1102 if (softc->action == PROBE_DONE || softc->action == PROBE_INVALID) { 1103 cam_periph_invalidate(periph); 1104 cam_periph_release_locked(periph); 1105 } 1106 } 1107 1108 void 1109 mmc_path_inq(struct ccb_pathinq *cpi, const char *hba, 1110 const struct cam_sim *sim, size_t maxio) 1111 { 1112 1113 cpi->version_num = 1; 1114 cpi->hba_inquiry = 0; 1115 cpi->target_sprt = 0; 1116 cpi->hba_misc = PIM_NOBUSRESET | PIM_SEQSCAN; 1117 cpi->hba_eng_cnt = 0; 1118 cpi->max_target = 0; 1119 cpi->max_lun = 0; 1120 cpi->initiator_id = 1; 1121 cpi->maxio = maxio; 1122 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1123 strncpy(cpi->hba_vid, hba, HBA_IDLEN); 1124 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1125 cpi->unit_number = cam_sim_unit(sim); 1126 cpi->bus_id = cam_sim_bus(sim); 1127 cpi->protocol = PROTO_MMCSD; 1128 cpi->protocol_version = SCSI_REV_0; 1129 cpi->transport = XPORT_MMCSD; 1130 cpi->transport_version = 1; 1131 1132 cpi->base_transfer_speed = 100; /* XXX WTF? */ 1133 1134 cpi->ccb_h.status = CAM_REQ_CMP; 1135 } 1136