1 /*- 2 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 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 ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include "opt_ata.h" 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/ata.h> 34 #include <sys/kernel.h> 35 #include <sys/module.h> 36 #include <sys/endian.h> 37 #include <sys/ctype.h> 38 #include <sys/conf.h> 39 #include <sys/bus.h> 40 #include <sys/bio.h> 41 #include <sys/malloc.h> 42 #include <sys/sysctl.h> 43 #include <sys/sema.h> 44 #include <sys/taskqueue.h> 45 #include <vm/uma.h> 46 #include <machine/stdarg.h> 47 #include <machine/resource.h> 48 #include <machine/bus.h> 49 #include <sys/rman.h> 50 #include <dev/ata/ata-all.h> 51 #include <dev/pci/pcivar.h> 52 #include <ata_if.h> 53 54 #ifdef ATA_CAM 55 #include <cam/cam.h> 56 #include <cam/cam_ccb.h> 57 #include <cam/cam_sim.h> 58 #include <cam/cam_xpt_sim.h> 59 #include <cam/cam_debug.h> 60 #endif 61 62 #ifndef ATA_CAM 63 /* device structure */ 64 static d_ioctl_t ata_ioctl; 65 static struct cdevsw ata_cdevsw = { 66 .d_version = D_VERSION, 67 .d_flags = D_NEEDGIANT, /* we need this as newbus isn't mpsafe */ 68 .d_ioctl = ata_ioctl, 69 .d_name = "ata", 70 }; 71 #endif 72 73 /* prototypes */ 74 #ifndef ATA_CAM 75 static void ata_boot_attach(void); 76 static device_t ata_add_child(device_t, struct ata_device *, int); 77 #else 78 static void ataaction(struct cam_sim *sim, union ccb *ccb); 79 static void atapoll(struct cam_sim *sim); 80 #endif 81 static void ata_conn_event(void *, int); 82 #ifndef ATA_CAM 83 static void bswap(int8_t *, int); 84 static void btrim(int8_t *, int); 85 static void bpack(int8_t *, int8_t *, int); 86 #endif 87 static void ata_interrupt_locked(void *data); 88 #ifdef ATA_CAM 89 static void ata_periodic_poll(void *data); 90 #endif 91 92 /* global vars */ 93 MALLOC_DEFINE(M_ATA, "ata_generic", "ATA driver generic layer"); 94 int (*ata_raid_ioctl_func)(u_long cmd, caddr_t data) = NULL; 95 #ifndef ATA_CAM 96 struct intr_config_hook *ata_delayed_attach = NULL; 97 #endif 98 devclass_t ata_devclass; 99 uma_zone_t ata_request_zone; 100 uma_zone_t ata_composite_zone; 101 #ifndef ATA_CAM 102 int ata_wc = 1; 103 int ata_setmax = 0; 104 #endif 105 int ata_dma_check_80pin = 1; 106 107 /* local vars */ 108 #ifndef ATA_CAM 109 static int ata_dma = 1; 110 static int atapi_dma = 1; 111 #endif 112 113 /* sysctl vars */ 114 static SYSCTL_NODE(_hw, OID_AUTO, ata, CTLFLAG_RD, 0, "ATA driver parameters"); 115 #ifndef ATA_CAM 116 TUNABLE_INT("hw.ata.ata_dma", &ata_dma); 117 SYSCTL_INT(_hw_ata, OID_AUTO, ata_dma, CTLFLAG_RDTUN, &ata_dma, 0, 118 "ATA disk DMA mode control"); 119 #endif 120 TUNABLE_INT("hw.ata.ata_dma_check_80pin", &ata_dma_check_80pin); 121 SYSCTL_INT(_hw_ata, OID_AUTO, ata_dma_check_80pin, 122 CTLFLAG_RW, &ata_dma_check_80pin, 1, 123 "Check for 80pin cable before setting ATA DMA mode"); 124 #ifndef ATA_CAM 125 TUNABLE_INT("hw.ata.atapi_dma", &atapi_dma); 126 SYSCTL_INT(_hw_ata, OID_AUTO, atapi_dma, CTLFLAG_RDTUN, &atapi_dma, 0, 127 "ATAPI device DMA mode control"); 128 TUNABLE_INT("hw.ata.wc", &ata_wc); 129 SYSCTL_INT(_hw_ata, OID_AUTO, wc, CTLFLAG_RDTUN, &ata_wc, 0, 130 "ATA disk write caching"); 131 TUNABLE_INT("hw.ata.setmax", &ata_setmax); 132 SYSCTL_INT(_hw_ata, OID_AUTO, setmax, CTLFLAG_RDTUN, &ata_setmax, 0, 133 "ATA disk set max native address"); 134 #endif 135 #ifdef ATA_CAM 136 FEATURE(ata_cam, "ATA devices are accessed through the cam(4) driver"); 137 #endif 138 139 /* 140 * newbus device interface related functions 141 */ 142 int 143 ata_probe(device_t dev) 144 { 145 return 0; 146 } 147 148 int 149 ata_attach(device_t dev) 150 { 151 struct ata_channel *ch = device_get_softc(dev); 152 int error, rid; 153 #ifdef ATA_CAM 154 struct cam_devq *devq; 155 const char *res; 156 char buf[64]; 157 int i, mode; 158 #endif 159 160 /* check that we have a virgin channel to attach */ 161 if (ch->r_irq) 162 return EEXIST; 163 164 /* initialize the softc basics */ 165 ch->dev = dev; 166 ch->state = ATA_IDLE; 167 bzero(&ch->state_mtx, sizeof(struct mtx)); 168 mtx_init(&ch->state_mtx, "ATA state lock", NULL, MTX_DEF); 169 bzero(&ch->queue_mtx, sizeof(struct mtx)); 170 mtx_init(&ch->queue_mtx, "ATA queue lock", NULL, MTX_DEF); 171 TAILQ_INIT(&ch->ata_queue); 172 TASK_INIT(&ch->conntask, 0, ata_conn_event, dev); 173 #ifdef ATA_CAM 174 for (i = 0; i < 16; i++) { 175 ch->user[i].revision = 0; 176 snprintf(buf, sizeof(buf), "dev%d.sata_rev", i); 177 if (resource_int_value(device_get_name(dev), 178 device_get_unit(dev), buf, &mode) != 0 && 179 resource_int_value(device_get_name(dev), 180 device_get_unit(dev), "sata_rev", &mode) != 0) 181 mode = -1; 182 if (mode >= 0) 183 ch->user[i].revision = mode; 184 ch->user[i].mode = 0; 185 snprintf(buf, sizeof(buf), "dev%d.mode", i); 186 if (resource_string_value(device_get_name(dev), 187 device_get_unit(dev), buf, &res) == 0) 188 mode = ata_str2mode(res); 189 else if (resource_string_value(device_get_name(dev), 190 device_get_unit(dev), "mode", &res) == 0) 191 mode = ata_str2mode(res); 192 else 193 mode = -1; 194 if (mode >= 0) 195 ch->user[i].mode = mode; 196 if (ch->flags & ATA_SATA) 197 ch->user[i].bytecount = 8192; 198 else 199 ch->user[i].bytecount = MAXPHYS; 200 ch->user[i].caps = 0; 201 ch->curr[i] = ch->user[i]; 202 if (ch->pm_level > 0) 203 ch->user[i].caps |= CTS_SATA_CAPS_H_PMREQ; 204 if (ch->pm_level > 1) 205 ch->user[i].caps |= CTS_SATA_CAPS_D_PMREQ; 206 } 207 callout_init(&ch->poll_callout, 1); 208 #endif 209 210 #ifndef ATA_CAM 211 /* reset the controller HW, the channel and device(s) */ 212 while (ATA_LOCKING(dev, ATA_LF_LOCK) != ch->unit) 213 pause("ataatch", 1); 214 ATA_RESET(dev); 215 ATA_LOCKING(dev, ATA_LF_UNLOCK); 216 #endif 217 218 /* allocate DMA resources if DMA HW present*/ 219 if (ch->dma.alloc) 220 ch->dma.alloc(dev); 221 222 /* setup interrupt delivery */ 223 rid = ATA_IRQ_RID; 224 ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 225 RF_SHAREABLE | RF_ACTIVE); 226 if (!ch->r_irq) { 227 device_printf(dev, "unable to allocate interrupt\n"); 228 return ENXIO; 229 } 230 if ((error = bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL, 231 ata_interrupt, ch, &ch->ih))) { 232 bus_release_resource(dev, SYS_RES_IRQ, rid, ch->r_irq); 233 device_printf(dev, "unable to setup interrupt\n"); 234 return error; 235 } 236 237 #ifndef ATA_CAM 238 /* probe and attach devices on this channel unless we are in early boot */ 239 if (!ata_delayed_attach) 240 ata_identify(dev); 241 return (0); 242 #else 243 if (ch->flags & ATA_PERIODIC_POLL) 244 callout_reset(&ch->poll_callout, hz, ata_periodic_poll, ch); 245 mtx_lock(&ch->state_mtx); 246 /* Create the device queue for our SIM. */ 247 devq = cam_simq_alloc(1); 248 if (devq == NULL) { 249 device_printf(dev, "Unable to allocate simq\n"); 250 error = ENOMEM; 251 goto err1; 252 } 253 /* Construct SIM entry */ 254 ch->sim = cam_sim_alloc(ataaction, atapoll, "ata", ch, 255 device_get_unit(dev), &ch->state_mtx, 1, 0, devq); 256 if (ch->sim == NULL) { 257 device_printf(dev, "unable to allocate sim\n"); 258 cam_simq_free(devq); 259 error = ENOMEM; 260 goto err1; 261 } 262 if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) { 263 device_printf(dev, "unable to register xpt bus\n"); 264 error = ENXIO; 265 goto err2; 266 } 267 if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim), 268 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 269 device_printf(dev, "unable to create path\n"); 270 error = ENXIO; 271 goto err3; 272 } 273 mtx_unlock(&ch->state_mtx); 274 return (0); 275 276 err3: 277 xpt_bus_deregister(cam_sim_path(ch->sim)); 278 err2: 279 cam_sim_free(ch->sim, /*free_devq*/TRUE); 280 ch->sim = NULL; 281 err1: 282 bus_release_resource(dev, SYS_RES_IRQ, rid, ch->r_irq); 283 mtx_unlock(&ch->state_mtx); 284 if (ch->flags & ATA_PERIODIC_POLL) 285 callout_drain(&ch->poll_callout); 286 return (error); 287 #endif 288 } 289 290 int 291 ata_detach(device_t dev) 292 { 293 struct ata_channel *ch = device_get_softc(dev); 294 #ifndef ATA_CAM 295 device_t *children; 296 int nchildren, i; 297 #endif 298 299 /* check that we have a valid channel to detach */ 300 if (!ch->r_irq) 301 return ENXIO; 302 303 /* grap the channel lock so no new requests gets launched */ 304 mtx_lock(&ch->state_mtx); 305 ch->state |= ATA_STALL_QUEUE; 306 mtx_unlock(&ch->state_mtx); 307 #ifdef ATA_CAM 308 if (ch->flags & ATA_PERIODIC_POLL) 309 callout_drain(&ch->poll_callout); 310 #endif 311 312 #ifndef ATA_CAM 313 /* detach & delete all children */ 314 if (!device_get_children(dev, &children, &nchildren)) { 315 for (i = 0; i < nchildren; i++) 316 if (children[i]) 317 device_delete_child(dev, children[i]); 318 free(children, M_TEMP); 319 } 320 #endif 321 taskqueue_drain(taskqueue_thread, &ch->conntask); 322 323 #ifdef ATA_CAM 324 mtx_lock(&ch->state_mtx); 325 xpt_async(AC_LOST_DEVICE, ch->path, NULL); 326 xpt_free_path(ch->path); 327 xpt_bus_deregister(cam_sim_path(ch->sim)); 328 cam_sim_free(ch->sim, /*free_devq*/TRUE); 329 ch->sim = NULL; 330 mtx_unlock(&ch->state_mtx); 331 #endif 332 333 /* release resources */ 334 bus_teardown_intr(dev, ch->r_irq, ch->ih); 335 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 336 ch->r_irq = NULL; 337 338 /* free DMA resources if DMA HW present*/ 339 if (ch->dma.free) 340 ch->dma.free(dev); 341 342 mtx_destroy(&ch->state_mtx); 343 mtx_destroy(&ch->queue_mtx); 344 return 0; 345 } 346 347 static void 348 ata_conn_event(void *context, int dummy) 349 { 350 device_t dev = (device_t)context; 351 #ifdef ATA_CAM 352 struct ata_channel *ch = device_get_softc(dev); 353 union ccb *ccb; 354 355 mtx_lock(&ch->state_mtx); 356 if (ch->sim == NULL) { 357 mtx_unlock(&ch->state_mtx); 358 return; 359 } 360 ata_reinit(dev); 361 if ((ccb = xpt_alloc_ccb_nowait()) == NULL) 362 return; 363 if (xpt_create_path(&ccb->ccb_h.path, NULL, 364 cam_sim_path(ch->sim), 365 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 366 xpt_free_ccb(ccb); 367 return; 368 } 369 xpt_rescan(ccb); 370 mtx_unlock(&ch->state_mtx); 371 #else 372 ata_reinit(dev); 373 #endif 374 } 375 376 int 377 ata_reinit(device_t dev) 378 { 379 struct ata_channel *ch = device_get_softc(dev); 380 struct ata_request *request; 381 #ifndef ATA_CAM 382 device_t *children; 383 int nchildren, i; 384 385 /* check that we have a valid channel to reinit */ 386 if (!ch || !ch->r_irq) 387 return ENXIO; 388 389 if (bootverbose) 390 device_printf(dev, "reiniting channel ..\n"); 391 392 /* poll for locking the channel */ 393 while (ATA_LOCKING(dev, ATA_LF_LOCK) != ch->unit) 394 pause("atarini", 1); 395 396 /* catch eventual request in ch->running */ 397 mtx_lock(&ch->state_mtx); 398 if (ch->state & ATA_STALL_QUEUE) { 399 /* Recursive reinits and reinits during detach prohobited. */ 400 mtx_unlock(&ch->state_mtx); 401 return (ENXIO); 402 } 403 if ((request = ch->running)) 404 callout_stop(&request->callout); 405 ch->running = NULL; 406 407 /* unconditionally grap the channel lock */ 408 ch->state |= ATA_STALL_QUEUE; 409 mtx_unlock(&ch->state_mtx); 410 411 /* reset the controller HW, the channel and device(s) */ 412 ATA_RESET(dev); 413 414 /* reinit the children and delete any that fails */ 415 if (!device_get_children(dev, &children, &nchildren)) { 416 mtx_lock(&Giant); /* newbus suckage it needs Giant */ 417 for (i = 0; i < nchildren; i++) { 418 /* did any children go missing ? */ 419 if (children[i] && device_is_attached(children[i]) && 420 ATA_REINIT(children[i])) { 421 /* 422 * if we had a running request and its device matches 423 * this child we need to inform the request that the 424 * device is gone. 425 */ 426 if (request && request->dev == children[i]) { 427 request->result = ENXIO; 428 device_printf(request->dev, "FAILURE - device detached\n"); 429 430 /* if not timeout finish request here */ 431 if (!(request->flags & ATA_R_TIMEOUT)) 432 ata_finish(request); 433 request = NULL; 434 } 435 device_delete_child(dev, children[i]); 436 } 437 } 438 free(children, M_TEMP); 439 mtx_unlock(&Giant); /* newbus suckage dealt with, release Giant */ 440 } 441 442 /* if we still have a good request put it on the queue again */ 443 if (request && !(request->flags & ATA_R_TIMEOUT)) { 444 device_printf(request->dev, 445 "WARNING - %s requeued due to channel reset", 446 ata_cmd2str(request)); 447 if (!(request->flags & (ATA_R_ATAPI | ATA_R_CONTROL))) 448 printf(" LBA=%ju", request->u.ata.lba); 449 printf("\n"); 450 request->flags |= ATA_R_REQUEUE; 451 ata_queue_request(request); 452 } 453 454 /* we're done release the channel for new work */ 455 mtx_lock(&ch->state_mtx); 456 ch->state = ATA_IDLE; 457 mtx_unlock(&ch->state_mtx); 458 ATA_LOCKING(dev, ATA_LF_UNLOCK); 459 460 /* Add new children. */ 461 /* ata_identify(dev); */ 462 463 if (bootverbose) 464 device_printf(dev, "reinit done ..\n"); 465 466 /* kick off requests on the queue */ 467 ata_start(dev); 468 #else 469 xpt_freeze_simq(ch->sim, 1); 470 if ((request = ch->running)) { 471 ch->running = NULL; 472 if (ch->state == ATA_ACTIVE) 473 ch->state = ATA_IDLE; 474 callout_stop(&request->callout); 475 if (ch->dma.unload) 476 ch->dma.unload(request); 477 request->result = ERESTART; 478 ata_cam_end_transaction(dev, request); 479 } 480 /* reset the controller HW, the channel and device(s) */ 481 ATA_RESET(dev); 482 /* Tell the XPT about the event */ 483 xpt_async(AC_BUS_RESET, ch->path, NULL); 484 xpt_release_simq(ch->sim, TRUE); 485 #endif 486 return(0); 487 } 488 489 int 490 ata_suspend(device_t dev) 491 { 492 struct ata_channel *ch; 493 494 /* check for valid device */ 495 if (!dev || !(ch = device_get_softc(dev))) 496 return ENXIO; 497 498 #ifdef ATA_CAM 499 if (ch->flags & ATA_PERIODIC_POLL) 500 callout_drain(&ch->poll_callout); 501 mtx_lock(&ch->state_mtx); 502 xpt_freeze_simq(ch->sim, 1); 503 while (ch->state != ATA_IDLE) 504 msleep(ch, &ch->state_mtx, PRIBIO, "atasusp", hz/100); 505 mtx_unlock(&ch->state_mtx); 506 #else 507 /* wait for the channel to be IDLE or detached before suspending */ 508 while (ch->r_irq) { 509 mtx_lock(&ch->state_mtx); 510 if (ch->state == ATA_IDLE) { 511 ch->state = ATA_ACTIVE; 512 mtx_unlock(&ch->state_mtx); 513 break; 514 } 515 mtx_unlock(&ch->state_mtx); 516 tsleep(ch, PRIBIO, "atasusp", hz/10); 517 } 518 ATA_LOCKING(dev, ATA_LF_UNLOCK); 519 #endif 520 return(0); 521 } 522 523 int 524 ata_resume(device_t dev) 525 { 526 struct ata_channel *ch; 527 int error; 528 529 /* check for valid device */ 530 if (!dev || !(ch = device_get_softc(dev))) 531 return ENXIO; 532 533 #ifdef ATA_CAM 534 mtx_lock(&ch->state_mtx); 535 error = ata_reinit(dev); 536 xpt_release_simq(ch->sim, TRUE); 537 mtx_unlock(&ch->state_mtx); 538 if (ch->flags & ATA_PERIODIC_POLL) 539 callout_reset(&ch->poll_callout, hz, ata_periodic_poll, ch); 540 #else 541 /* reinit the devices, we dont know what mode/state they are in */ 542 error = ata_reinit(dev); 543 /* kick off requests on the queue */ 544 ata_start(dev); 545 #endif 546 return error; 547 } 548 549 void 550 ata_interrupt(void *data) 551 { 552 #ifdef ATA_CAM 553 struct ata_channel *ch = (struct ata_channel *)data; 554 555 mtx_lock(&ch->state_mtx); 556 xpt_batch_start(ch->sim); 557 #endif 558 ata_interrupt_locked(data); 559 #ifdef ATA_CAM 560 xpt_batch_done(ch->sim); 561 mtx_unlock(&ch->state_mtx); 562 #endif 563 } 564 565 static void 566 ata_interrupt_locked(void *data) 567 { 568 struct ata_channel *ch = (struct ata_channel *)data; 569 struct ata_request *request; 570 571 #ifndef ATA_CAM 572 mtx_lock(&ch->state_mtx); 573 #endif 574 do { 575 /* ignore interrupt if its not for us */ 576 if (ch->hw.status && !ch->hw.status(ch->dev)) 577 break; 578 579 /* do we have a running request */ 580 if (!(request = ch->running)) 581 break; 582 583 ATA_DEBUG_RQ(request, "interrupt"); 584 585 /* safetycheck for the right state */ 586 if (ch->state == ATA_IDLE) { 587 device_printf(request->dev, "interrupt on idle channel ignored\n"); 588 break; 589 } 590 591 /* 592 * we have the HW locks, so end the transaction for this request 593 * if it finishes immediately otherwise wait for next interrupt 594 */ 595 if (ch->hw.end_transaction(request) == ATA_OP_FINISHED) { 596 ch->running = NULL; 597 if (ch->state == ATA_ACTIVE) 598 ch->state = ATA_IDLE; 599 #ifdef ATA_CAM 600 ata_cam_end_transaction(ch->dev, request); 601 #else 602 mtx_unlock(&ch->state_mtx); 603 ATA_LOCKING(ch->dev, ATA_LF_UNLOCK); 604 ata_finish(request); 605 #endif 606 return; 607 } 608 } while (0); 609 #ifndef ATA_CAM 610 mtx_unlock(&ch->state_mtx); 611 #endif 612 } 613 614 #ifdef ATA_CAM 615 static void 616 ata_periodic_poll(void *data) 617 { 618 struct ata_channel *ch = (struct ata_channel *)data; 619 620 callout_reset(&ch->poll_callout, hz, ata_periodic_poll, ch); 621 ata_interrupt(ch); 622 } 623 #endif 624 625 void 626 ata_print_cable(device_t dev, u_int8_t *who) 627 { 628 device_printf(dev, 629 "DMA limited to UDMA33, %s found non-ATA66 cable\n", who); 630 } 631 632 #ifndef ATA_CAM 633 int 634 ata_check_80pin(device_t dev, int mode) 635 { 636 struct ata_device *atadev = device_get_softc(dev); 637 638 if (!ata_dma_check_80pin) { 639 if (bootverbose) 640 device_printf(dev, "Skipping 80pin cable check\n"); 641 return mode; 642 } 643 644 if (mode > ATA_UDMA2 && !(atadev->param.hwres & ATA_CABLE_ID)) { 645 ata_print_cable(dev, "device"); 646 mode = ATA_UDMA2; 647 } 648 return mode; 649 } 650 #endif 651 652 #ifndef ATA_CAM 653 void 654 ata_setmode(device_t dev) 655 { 656 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 657 struct ata_device *atadev = device_get_softc(dev); 658 int error, mode, pmode; 659 660 mode = atadev->mode; 661 do { 662 pmode = mode = ata_limit_mode(dev, mode, ATA_DMA_MAX); 663 mode = ATA_SETMODE(device_get_parent(dev), atadev->unit, mode); 664 if ((ch->flags & (ATA_CHECKS_CABLE | ATA_SATA)) == 0) 665 mode = ata_check_80pin(dev, mode); 666 } while (pmode != mode); /* Interate till successfull negotiation. */ 667 error = ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode); 668 if (bootverbose) 669 device_printf(dev, "%ssetting %s\n", 670 (error) ? "FAILURE " : "", ata_mode2str(mode)); 671 atadev->mode = mode; 672 } 673 #endif 674 675 /* 676 * device related interfaces 677 */ 678 #ifndef ATA_CAM 679 static int 680 ata_ioctl(struct cdev *dev, u_long cmd, caddr_t data, 681 int32_t flag, struct thread *td) 682 { 683 device_t device, *children; 684 struct ata_ioc_devices *devices = (struct ata_ioc_devices *)data; 685 int *value = (int *)data; 686 int i, nchildren, error = ENOTTY; 687 688 switch (cmd) { 689 case IOCATAGMAXCHANNEL: 690 /* In case we have channel 0..n this will return n+1. */ 691 *value = devclass_get_maxunit(ata_devclass); 692 error = 0; 693 break; 694 695 case IOCATAREINIT: 696 if (*value >= devclass_get_maxunit(ata_devclass) || 697 !(device = devclass_get_device(ata_devclass, *value)) || 698 !device_is_attached(device)) 699 return ENXIO; 700 error = ata_reinit(device); 701 break; 702 703 case IOCATAATTACH: 704 if (*value >= devclass_get_maxunit(ata_devclass) || 705 !(device = devclass_get_device(ata_devclass, *value)) || 706 !device_is_attached(device)) 707 return ENXIO; 708 error = DEVICE_ATTACH(device); 709 break; 710 711 case IOCATADETACH: 712 if (*value >= devclass_get_maxunit(ata_devclass) || 713 !(device = devclass_get_device(ata_devclass, *value)) || 714 !device_is_attached(device)) 715 return ENXIO; 716 error = DEVICE_DETACH(device); 717 break; 718 719 case IOCATADEVICES: 720 if (devices->channel >= devclass_get_maxunit(ata_devclass) || 721 !(device = devclass_get_device(ata_devclass, devices->channel)) || 722 !device_is_attached(device)) 723 return ENXIO; 724 bzero(devices->name[0], 32); 725 bzero(&devices->params[0], sizeof(struct ata_params)); 726 bzero(devices->name[1], 32); 727 bzero(&devices->params[1], sizeof(struct ata_params)); 728 if (!device_get_children(device, &children, &nchildren)) { 729 for (i = 0; i < nchildren; i++) { 730 if (children[i] && device_is_attached(children[i])) { 731 struct ata_device *atadev = device_get_softc(children[i]); 732 733 if (atadev->unit == ATA_MASTER) { /* XXX SOS PM */ 734 strncpy(devices->name[0], 735 device_get_nameunit(children[i]), 32); 736 bcopy(&atadev->param, &devices->params[0], 737 sizeof(struct ata_params)); 738 } 739 if (atadev->unit == ATA_SLAVE) { /* XXX SOS PM */ 740 strncpy(devices->name[1], 741 device_get_nameunit(children[i]), 32); 742 bcopy(&atadev->param, &devices->params[1], 743 sizeof(struct ata_params)); 744 } 745 } 746 } 747 free(children, M_TEMP); 748 error = 0; 749 } 750 else 751 error = ENODEV; 752 break; 753 754 default: 755 if (ata_raid_ioctl_func) 756 error = ata_raid_ioctl_func(cmd, data); 757 } 758 return error; 759 } 760 #endif 761 762 #ifndef ATA_CAM 763 int 764 ata_device_ioctl(device_t dev, u_long cmd, caddr_t data) 765 { 766 struct ata_device *atadev = device_get_softc(dev); 767 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 768 struct ata_ioc_request *ioc_request = (struct ata_ioc_request *)data; 769 struct ata_params *params = (struct ata_params *)data; 770 int *mode = (int *)data; 771 struct ata_request *request; 772 caddr_t buf; 773 int error; 774 775 switch (cmd) { 776 case IOCATAREQUEST: 777 if (ioc_request->count > 778 (ch->dma.max_iosize ? ch->dma.max_iosize : DFLTPHYS)) { 779 return (EFBIG); 780 } 781 if (!(buf = malloc(ioc_request->count, M_ATA, M_NOWAIT))) { 782 return ENOMEM; 783 } 784 if (!(request = ata_alloc_request())) { 785 free(buf, M_ATA); 786 return ENOMEM; 787 } 788 request->dev = atadev->dev; 789 if (ioc_request->flags & ATA_CMD_WRITE) { 790 error = copyin(ioc_request->data, buf, ioc_request->count); 791 if (error) { 792 free(buf, M_ATA); 793 ata_free_request(request); 794 return error; 795 } 796 } 797 if (ioc_request->flags & ATA_CMD_ATAPI) { 798 request->flags = ATA_R_ATAPI; 799 bcopy(ioc_request->u.atapi.ccb, request->u.atapi.ccb, 16); 800 } 801 else { 802 request->u.ata.command = ioc_request->u.ata.command; 803 request->u.ata.feature = ioc_request->u.ata.feature; 804 request->u.ata.lba = ioc_request->u.ata.lba; 805 request->u.ata.count = ioc_request->u.ata.count; 806 } 807 request->timeout = ioc_request->timeout; 808 request->data = buf; 809 request->bytecount = ioc_request->count; 810 request->transfersize = request->bytecount; 811 if (ioc_request->flags & ATA_CMD_CONTROL) 812 request->flags |= ATA_R_CONTROL; 813 if (ioc_request->flags & ATA_CMD_READ) 814 request->flags |= ATA_R_READ; 815 if (ioc_request->flags & ATA_CMD_WRITE) 816 request->flags |= ATA_R_WRITE; 817 ata_queue_request(request); 818 if (request->flags & ATA_R_ATAPI) { 819 bcopy(&request->u.atapi.sense, &ioc_request->u.atapi.sense, 820 sizeof(struct atapi_sense)); 821 } 822 else { 823 ioc_request->u.ata.command = request->u.ata.command; 824 ioc_request->u.ata.feature = request->u.ata.feature; 825 ioc_request->u.ata.lba = request->u.ata.lba; 826 ioc_request->u.ata.count = request->u.ata.count; 827 } 828 ioc_request->error = request->result; 829 if (ioc_request->flags & ATA_CMD_READ) 830 error = copyout(buf, ioc_request->data, ioc_request->count); 831 else 832 error = 0; 833 free(buf, M_ATA); 834 ata_free_request(request); 835 return error; 836 837 case IOCATAGPARM: 838 ata_getparam(atadev, 0); 839 bcopy(&atadev->param, params, sizeof(struct ata_params)); 840 return 0; 841 842 case IOCATASMODE: 843 atadev->mode = *mode; 844 ata_setmode(dev); 845 return 0; 846 847 case IOCATAGMODE: 848 *mode = atadev->mode | 849 (ATA_GETREV(device_get_parent(dev), atadev->unit) << 8); 850 return 0; 851 case IOCATASSPINDOWN: 852 atadev->spindown = *mode; 853 return 0; 854 case IOCATAGSPINDOWN: 855 *mode = atadev->spindown; 856 return 0; 857 default: 858 return ENOTTY; 859 } 860 } 861 #endif 862 863 #ifndef ATA_CAM 864 static void 865 ata_boot_attach(void) 866 { 867 struct ata_channel *ch; 868 int ctlr; 869 870 mtx_lock(&Giant); /* newbus suckage it needs Giant */ 871 872 /* kick off probe and attach on all channels */ 873 for (ctlr = 0; ctlr < devclass_get_maxunit(ata_devclass); ctlr++) { 874 if ((ch = devclass_get_softc(ata_devclass, ctlr))) { 875 ata_identify(ch->dev); 876 } 877 } 878 879 /* release the hook that got us here, we are only needed once during boot */ 880 if (ata_delayed_attach) { 881 config_intrhook_disestablish(ata_delayed_attach); 882 free(ata_delayed_attach, M_TEMP); 883 ata_delayed_attach = NULL; 884 } 885 886 mtx_unlock(&Giant); /* newbus suckage dealt with, release Giant */ 887 } 888 #endif 889 890 /* 891 * misc support functions 892 */ 893 #ifndef ATA_CAM 894 static device_t 895 ata_add_child(device_t parent, struct ata_device *atadev, int unit) 896 { 897 device_t child; 898 899 if ((child = device_add_child(parent, (unit < 0) ? NULL : "ad", unit))) { 900 device_set_softc(child, atadev); 901 device_quiet(child); 902 atadev->dev = child; 903 atadev->max_iosize = DEV_BSIZE; 904 atadev->mode = ATA_PIO_MAX; 905 } 906 return child; 907 } 908 #endif 909 910 #ifndef ATA_CAM 911 int 912 ata_getparam(struct ata_device *atadev, int init) 913 { 914 struct ata_channel *ch = device_get_softc(device_get_parent(atadev->dev)); 915 struct ata_request *request; 916 const char *res; 917 char buf[64]; 918 u_int8_t command = 0; 919 int error = ENOMEM, retries = 2, mode = -1; 920 921 if (ch->devices & (ATA_ATA_MASTER << atadev->unit)) 922 command = ATA_ATA_IDENTIFY; 923 if (ch->devices & (ATA_ATAPI_MASTER << atadev->unit)) 924 command = ATA_ATAPI_IDENTIFY; 925 if (!command) 926 return ENXIO; 927 928 while (retries-- > 0 && error) { 929 if (!(request = ata_alloc_request())) 930 break; 931 request->dev = atadev->dev; 932 request->timeout = 1; 933 request->retries = 0; 934 request->u.ata.command = command; 935 request->flags = (ATA_R_READ|ATA_R_AT_HEAD|ATA_R_DIRECT); 936 if (!bootverbose) 937 request->flags |= ATA_R_QUIET; 938 request->data = (void *)&atadev->param; 939 request->bytecount = sizeof(struct ata_params); 940 request->donecount = 0; 941 request->transfersize = DEV_BSIZE; 942 ata_queue_request(request); 943 error = request->result; 944 ata_free_request(request); 945 } 946 947 if (!error && (isprint(atadev->param.model[0]) || 948 isprint(atadev->param.model[1]))) { 949 struct ata_params *atacap = &atadev->param; 950 int16_t *ptr; 951 952 for (ptr = (int16_t *)atacap; 953 ptr < (int16_t *)atacap + sizeof(struct ata_params)/2; ptr++) { 954 *ptr = le16toh(*ptr); 955 } 956 if (!(!strncmp(atacap->model, "FX", 2) || 957 !strncmp(atacap->model, "NEC", 3) || 958 !strncmp(atacap->model, "Pioneer", 7) || 959 !strncmp(atacap->model, "SHARP", 5))) { 960 bswap(atacap->model, sizeof(atacap->model)); 961 bswap(atacap->revision, sizeof(atacap->revision)); 962 bswap(atacap->serial, sizeof(atacap->serial)); 963 } 964 btrim(atacap->model, sizeof(atacap->model)); 965 bpack(atacap->model, atacap->model, sizeof(atacap->model)); 966 btrim(atacap->revision, sizeof(atacap->revision)); 967 bpack(atacap->revision, atacap->revision, sizeof(atacap->revision)); 968 btrim(atacap->serial, sizeof(atacap->serial)); 969 bpack(atacap->serial, atacap->serial, sizeof(atacap->serial)); 970 971 if (bootverbose) 972 printf("ata%d-%s: pio=%s wdma=%s udma=%s cable=%s wire\n", 973 device_get_unit(ch->dev), 974 ata_unit2str(atadev), 975 ata_mode2str(ata_pmode(atacap)), 976 ata_mode2str(ata_wmode(atacap)), 977 ata_mode2str(ata_umode(atacap)), 978 (atacap->hwres & ATA_CABLE_ID) ? "80":"40"); 979 980 if (init) { 981 char buffer[64]; 982 983 sprintf(buffer, "%.40s/%.8s", atacap->model, atacap->revision); 984 device_set_desc_copy(atadev->dev, buffer); 985 if ((atadev->param.config & ATA_PROTO_ATAPI) && 986 (atadev->param.config != ATA_CFA_MAGIC1) && 987 (atadev->param.config != ATA_CFA_MAGIC2)) { 988 if (atapi_dma && 989 (atadev->param.config & ATA_DRQ_MASK) != ATA_DRQ_INTR && 990 ata_umode(&atadev->param) >= ATA_UDMA2) 991 atadev->mode = ATA_DMA_MAX; 992 } 993 else { 994 if (ata_dma && 995 (ata_umode(&atadev->param) > 0 || 996 ata_wmode(&atadev->param) > 0)) 997 atadev->mode = ATA_DMA_MAX; 998 } 999 snprintf(buf, sizeof(buf), "dev%d.mode", atadev->unit); 1000 if (resource_string_value(device_get_name(ch->dev), 1001 device_get_unit(ch->dev), buf, &res) == 0) 1002 mode = ata_str2mode(res); 1003 else if (resource_string_value(device_get_name(ch->dev), 1004 device_get_unit(ch->dev), "mode", &res) == 0) 1005 mode = ata_str2mode(res); 1006 if (mode >= 0) 1007 atadev->mode = mode; 1008 } 1009 } 1010 else { 1011 if (!error) 1012 error = ENXIO; 1013 } 1014 return error; 1015 } 1016 #endif 1017 1018 #ifndef ATA_CAM 1019 int 1020 ata_identify(device_t dev) 1021 { 1022 struct ata_channel *ch = device_get_softc(dev); 1023 struct ata_device *atadev; 1024 device_t *children; 1025 device_t child, master = NULL; 1026 int nchildren, i, n = ch->devices; 1027 1028 if (bootverbose) 1029 device_printf(dev, "Identifying devices: %08x\n", ch->devices); 1030 1031 mtx_lock(&Giant); 1032 /* Skip existing devices. */ 1033 if (!device_get_children(dev, &children, &nchildren)) { 1034 for (i = 0; i < nchildren; i++) { 1035 if (children[i] && (atadev = device_get_softc(children[i]))) 1036 n &= ~((ATA_ATA_MASTER | ATA_ATAPI_MASTER) << atadev->unit); 1037 } 1038 free(children, M_TEMP); 1039 } 1040 /* Create new devices. */ 1041 if (bootverbose) 1042 device_printf(dev, "New devices: %08x\n", n); 1043 if (n == 0) { 1044 mtx_unlock(&Giant); 1045 return (0); 1046 } 1047 for (i = 0; i < ATA_PM; ++i) { 1048 if (n & (((ATA_ATA_MASTER | ATA_ATAPI_MASTER) << i))) { 1049 int unit = -1; 1050 1051 if (!(atadev = malloc(sizeof(struct ata_device), 1052 M_ATA, M_NOWAIT | M_ZERO))) { 1053 device_printf(dev, "out of memory\n"); 1054 return ENOMEM; 1055 } 1056 atadev->unit = i; 1057 #ifdef ATA_STATIC_ID 1058 if (n & (ATA_ATA_MASTER << i)) 1059 unit = (device_get_unit(dev) << 1) + i; 1060 #endif 1061 if ((child = ata_add_child(dev, atadev, unit))) { 1062 /* 1063 * PATA slave should be identified first, to allow 1064 * device cable detection on master to work properly. 1065 */ 1066 if (i == 0 && (n & ATA_PORTMULTIPLIER) == 0 && 1067 (n & ((ATA_ATA_MASTER | ATA_ATAPI_MASTER) << 1)) != 0) { 1068 master = child; 1069 continue; 1070 } 1071 if (ata_getparam(atadev, 1)) { 1072 device_delete_child(dev, child); 1073 free(atadev, M_ATA); 1074 } 1075 } 1076 else 1077 free(atadev, M_ATA); 1078 } 1079 } 1080 if (master) { 1081 atadev = device_get_softc(master); 1082 if (ata_getparam(atadev, 1)) { 1083 device_delete_child(dev, master); 1084 free(atadev, M_ATA); 1085 } 1086 } 1087 bus_generic_probe(dev); 1088 bus_generic_attach(dev); 1089 mtx_unlock(&Giant); 1090 return 0; 1091 } 1092 #endif 1093 1094 void 1095 ata_default_registers(device_t dev) 1096 { 1097 struct ata_channel *ch = device_get_softc(dev); 1098 1099 /* fill in the defaults from whats setup already */ 1100 ch->r_io[ATA_ERROR].res = ch->r_io[ATA_FEATURE].res; 1101 ch->r_io[ATA_ERROR].offset = ch->r_io[ATA_FEATURE].offset; 1102 ch->r_io[ATA_IREASON].res = ch->r_io[ATA_COUNT].res; 1103 ch->r_io[ATA_IREASON].offset = ch->r_io[ATA_COUNT].offset; 1104 ch->r_io[ATA_STATUS].res = ch->r_io[ATA_COMMAND].res; 1105 ch->r_io[ATA_STATUS].offset = ch->r_io[ATA_COMMAND].offset; 1106 ch->r_io[ATA_ALTSTAT].res = ch->r_io[ATA_CONTROL].res; 1107 ch->r_io[ATA_ALTSTAT].offset = ch->r_io[ATA_CONTROL].offset; 1108 } 1109 1110 void 1111 ata_modify_if_48bit(struct ata_request *request) 1112 { 1113 struct ata_channel *ch = device_get_softc(request->parent); 1114 struct ata_device *atadev = device_get_softc(request->dev); 1115 1116 request->flags &= ~ATA_R_48BIT; 1117 1118 if (((request->u.ata.lba + request->u.ata.count) >= ATA_MAX_28BIT_LBA || 1119 request->u.ata.count > 256) && 1120 atadev->param.support.command2 & ATA_SUPPORT_ADDRESS48) { 1121 1122 /* translate command into 48bit version */ 1123 switch (request->u.ata.command) { 1124 case ATA_READ: 1125 request->u.ata.command = ATA_READ48; 1126 break; 1127 case ATA_READ_MUL: 1128 request->u.ata.command = ATA_READ_MUL48; 1129 break; 1130 case ATA_READ_DMA: 1131 if (ch->flags & ATA_NO_48BIT_DMA) { 1132 if (request->transfersize > DEV_BSIZE) 1133 request->u.ata.command = ATA_READ_MUL48; 1134 else 1135 request->u.ata.command = ATA_READ48; 1136 request->flags &= ~ATA_R_DMA; 1137 } 1138 else 1139 request->u.ata.command = ATA_READ_DMA48; 1140 break; 1141 case ATA_READ_DMA_QUEUED: 1142 if (ch->flags & ATA_NO_48BIT_DMA) { 1143 if (request->transfersize > DEV_BSIZE) 1144 request->u.ata.command = ATA_READ_MUL48; 1145 else 1146 request->u.ata.command = ATA_READ48; 1147 request->flags &= ~ATA_R_DMA; 1148 } 1149 else 1150 request->u.ata.command = ATA_READ_DMA_QUEUED48; 1151 break; 1152 case ATA_WRITE: 1153 request->u.ata.command = ATA_WRITE48; 1154 break; 1155 case ATA_WRITE_MUL: 1156 request->u.ata.command = ATA_WRITE_MUL48; 1157 break; 1158 case ATA_WRITE_DMA: 1159 if (ch->flags & ATA_NO_48BIT_DMA) { 1160 if (request->transfersize > DEV_BSIZE) 1161 request->u.ata.command = ATA_WRITE_MUL48; 1162 else 1163 request->u.ata.command = ATA_WRITE48; 1164 request->flags &= ~ATA_R_DMA; 1165 } 1166 else 1167 request->u.ata.command = ATA_WRITE_DMA48; 1168 break; 1169 case ATA_WRITE_DMA_QUEUED: 1170 if (ch->flags & ATA_NO_48BIT_DMA) { 1171 if (request->transfersize > DEV_BSIZE) 1172 request->u.ata.command = ATA_WRITE_MUL48; 1173 else 1174 request->u.ata.command = ATA_WRITE48; 1175 request->u.ata.command = ATA_WRITE48; 1176 request->flags &= ~ATA_R_DMA; 1177 } 1178 else 1179 request->u.ata.command = ATA_WRITE_DMA_QUEUED48; 1180 break; 1181 case ATA_FLUSHCACHE: 1182 request->u.ata.command = ATA_FLUSHCACHE48; 1183 break; 1184 case ATA_SET_MAX_ADDRESS: 1185 request->u.ata.command = ATA_SET_MAX_ADDRESS48; 1186 break; 1187 default: 1188 return; 1189 } 1190 request->flags |= ATA_R_48BIT; 1191 } 1192 else if (atadev->param.support.command2 & ATA_SUPPORT_ADDRESS48) { 1193 1194 /* translate command into 48bit version */ 1195 switch (request->u.ata.command) { 1196 case ATA_FLUSHCACHE: 1197 request->u.ata.command = ATA_FLUSHCACHE48; 1198 break; 1199 case ATA_READ_NATIVE_MAX_ADDRESS: 1200 request->u.ata.command = ATA_READ_NATIVE_MAX_ADDRESS48; 1201 break; 1202 case ATA_SET_MAX_ADDRESS: 1203 request->u.ata.command = ATA_SET_MAX_ADDRESS48; 1204 break; 1205 default: 1206 return; 1207 } 1208 request->flags |= ATA_R_48BIT; 1209 } 1210 } 1211 1212 void 1213 ata_udelay(int interval) 1214 { 1215 /* for now just use DELAY, the timer/sleep subsytems are not there yet */ 1216 if (1 || interval < (1000000/hz) || ata_delayed_attach) 1217 DELAY(interval); 1218 else 1219 pause("ataslp", interval/(1000000/hz)); 1220 } 1221 1222 #ifndef ATA_CAM 1223 const char * 1224 ata_unit2str(struct ata_device *atadev) 1225 { 1226 struct ata_channel *ch = device_get_softc(device_get_parent(atadev->dev)); 1227 static char str[8]; 1228 1229 if (ch->devices & ATA_PORTMULTIPLIER) 1230 sprintf(str, "port%d", atadev->unit); 1231 else 1232 sprintf(str, "%s", atadev->unit == ATA_MASTER ? "master" : "slave"); 1233 return str; 1234 } 1235 #endif 1236 1237 const char * 1238 ata_mode2str(int mode) 1239 { 1240 switch (mode) { 1241 case -1: return "UNSUPPORTED"; 1242 case ATA_PIO0: return "PIO0"; 1243 case ATA_PIO1: return "PIO1"; 1244 case ATA_PIO2: return "PIO2"; 1245 case ATA_PIO3: return "PIO3"; 1246 case ATA_PIO4: return "PIO4"; 1247 case ATA_WDMA0: return "WDMA0"; 1248 case ATA_WDMA1: return "WDMA1"; 1249 case ATA_WDMA2: return "WDMA2"; 1250 case ATA_UDMA0: return "UDMA16"; 1251 case ATA_UDMA1: return "UDMA25"; 1252 case ATA_UDMA2: return "UDMA33"; 1253 case ATA_UDMA3: return "UDMA40"; 1254 case ATA_UDMA4: return "UDMA66"; 1255 case ATA_UDMA5: return "UDMA100"; 1256 case ATA_UDMA6: return "UDMA133"; 1257 case ATA_SA150: return "SATA150"; 1258 case ATA_SA300: return "SATA300"; 1259 default: 1260 if (mode & ATA_DMA_MASK) 1261 return "BIOSDMA"; 1262 else 1263 return "BIOSPIO"; 1264 } 1265 } 1266 1267 int 1268 ata_str2mode(const char *str) 1269 { 1270 1271 if (!strcasecmp(str, "PIO0")) return (ATA_PIO0); 1272 if (!strcasecmp(str, "PIO1")) return (ATA_PIO1); 1273 if (!strcasecmp(str, "PIO2")) return (ATA_PIO2); 1274 if (!strcasecmp(str, "PIO3")) return (ATA_PIO3); 1275 if (!strcasecmp(str, "PIO4")) return (ATA_PIO4); 1276 if (!strcasecmp(str, "WDMA0")) return (ATA_WDMA0); 1277 if (!strcasecmp(str, "WDMA1")) return (ATA_WDMA1); 1278 if (!strcasecmp(str, "WDMA2")) return (ATA_WDMA2); 1279 if (!strcasecmp(str, "UDMA0")) return (ATA_UDMA0); 1280 if (!strcasecmp(str, "UDMA16")) return (ATA_UDMA0); 1281 if (!strcasecmp(str, "UDMA1")) return (ATA_UDMA1); 1282 if (!strcasecmp(str, "UDMA25")) return (ATA_UDMA1); 1283 if (!strcasecmp(str, "UDMA2")) return (ATA_UDMA2); 1284 if (!strcasecmp(str, "UDMA33")) return (ATA_UDMA2); 1285 if (!strcasecmp(str, "UDMA3")) return (ATA_UDMA3); 1286 if (!strcasecmp(str, "UDMA44")) return (ATA_UDMA3); 1287 if (!strcasecmp(str, "UDMA4")) return (ATA_UDMA4); 1288 if (!strcasecmp(str, "UDMA66")) return (ATA_UDMA4); 1289 if (!strcasecmp(str, "UDMA5")) return (ATA_UDMA5); 1290 if (!strcasecmp(str, "UDMA100")) return (ATA_UDMA5); 1291 if (!strcasecmp(str, "UDMA6")) return (ATA_UDMA6); 1292 if (!strcasecmp(str, "UDMA133")) return (ATA_UDMA6); 1293 return (-1); 1294 } 1295 1296 #ifndef ATA_CAM 1297 const char * 1298 ata_satarev2str(int rev) 1299 { 1300 switch (rev) { 1301 case 0: return ""; 1302 case 1: return "SATA 1.5Gb/s"; 1303 case 2: return "SATA 3Gb/s"; 1304 case 3: return "SATA 6Gb/s"; 1305 case 0xff: return "SATA"; 1306 default: return "???"; 1307 } 1308 } 1309 #endif 1310 1311 int 1312 ata_atapi(device_t dev, int target) 1313 { 1314 struct ata_channel *ch = device_get_softc(dev); 1315 1316 return (ch->devices & (ATA_ATAPI_MASTER << target)); 1317 } 1318 1319 #ifndef ATA_CAM 1320 int 1321 ata_pmode(struct ata_params *ap) 1322 { 1323 if (ap->atavalid & ATA_FLAG_64_70) { 1324 if (ap->apiomodes & 0x02) 1325 return ATA_PIO4; 1326 if (ap->apiomodes & 0x01) 1327 return ATA_PIO3; 1328 } 1329 if (ap->mwdmamodes & 0x04) 1330 return ATA_PIO4; 1331 if (ap->mwdmamodes & 0x02) 1332 return ATA_PIO3; 1333 if (ap->mwdmamodes & 0x01) 1334 return ATA_PIO2; 1335 if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x200) 1336 return ATA_PIO2; 1337 if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x100) 1338 return ATA_PIO1; 1339 if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x000) 1340 return ATA_PIO0; 1341 return ATA_PIO0; 1342 } 1343 #endif 1344 1345 #ifndef ATA_CAM 1346 int 1347 ata_wmode(struct ata_params *ap) 1348 { 1349 if (ap->mwdmamodes & 0x04) 1350 return ATA_WDMA2; 1351 if (ap->mwdmamodes & 0x02) 1352 return ATA_WDMA1; 1353 if (ap->mwdmamodes & 0x01) 1354 return ATA_WDMA0; 1355 return -1; 1356 } 1357 #endif 1358 1359 #ifndef ATA_CAM 1360 int 1361 ata_umode(struct ata_params *ap) 1362 { 1363 if (ap->atavalid & ATA_FLAG_88) { 1364 if (ap->udmamodes & 0x40) 1365 return ATA_UDMA6; 1366 if (ap->udmamodes & 0x20) 1367 return ATA_UDMA5; 1368 if (ap->udmamodes & 0x10) 1369 return ATA_UDMA4; 1370 if (ap->udmamodes & 0x08) 1371 return ATA_UDMA3; 1372 if (ap->udmamodes & 0x04) 1373 return ATA_UDMA2; 1374 if (ap->udmamodes & 0x02) 1375 return ATA_UDMA1; 1376 if (ap->udmamodes & 0x01) 1377 return ATA_UDMA0; 1378 } 1379 return -1; 1380 } 1381 #endif 1382 1383 #ifndef ATA_CAM 1384 int 1385 ata_limit_mode(device_t dev, int mode, int maxmode) 1386 { 1387 struct ata_device *atadev = device_get_softc(dev); 1388 1389 if (maxmode && mode > maxmode) 1390 mode = maxmode; 1391 1392 if (mode >= ATA_UDMA0 && ata_umode(&atadev->param) > 0) 1393 return min(mode, ata_umode(&atadev->param)); 1394 1395 if (mode >= ATA_WDMA0 && ata_wmode(&atadev->param) > 0) 1396 return min(mode, ata_wmode(&atadev->param)); 1397 1398 if (mode > ata_pmode(&atadev->param)) 1399 return min(mode, ata_pmode(&atadev->param)); 1400 1401 return mode; 1402 } 1403 #endif 1404 1405 #ifndef ATA_CAM 1406 static void 1407 bswap(int8_t *buf, int len) 1408 { 1409 u_int16_t *ptr = (u_int16_t*)(buf + len); 1410 1411 while (--ptr >= (u_int16_t*)buf) 1412 *ptr = ntohs(*ptr); 1413 } 1414 #endif 1415 1416 #ifndef ATA_CAM 1417 static void 1418 btrim(int8_t *buf, int len) 1419 { 1420 int8_t *ptr; 1421 1422 for (ptr = buf; ptr < buf+len; ++ptr) 1423 if (!*ptr || *ptr == '_') 1424 *ptr = ' '; 1425 for (ptr = buf + len - 1; ptr >= buf && *ptr == ' '; --ptr) 1426 *ptr = 0; 1427 } 1428 #endif 1429 1430 #ifndef ATA_CAM 1431 static void 1432 bpack(int8_t *src, int8_t *dst, int len) 1433 { 1434 int i, j, blank; 1435 1436 for (i = j = blank = 0 ; i < len; i++) { 1437 if (blank && src[i] == ' ') continue; 1438 if (blank && src[i] != ' ') { 1439 dst[j++] = src[i]; 1440 blank = 0; 1441 continue; 1442 } 1443 if (src[i] == ' ') { 1444 blank = 1; 1445 if (i == 0) 1446 continue; 1447 } 1448 dst[j++] = src[i]; 1449 } 1450 if (j < len) 1451 dst[j] = 0x00; 1452 } 1453 #endif 1454 1455 #ifdef ATA_CAM 1456 void 1457 ata_cam_begin_transaction(device_t dev, union ccb *ccb) 1458 { 1459 struct ata_channel *ch = device_get_softc(dev); 1460 struct ata_request *request; 1461 1462 if (!(request = ata_alloc_request())) { 1463 device_printf(dev, "FAILURE - out of memory in start\n"); 1464 ccb->ccb_h.status = CAM_REQ_INVALID; 1465 xpt_done(ccb); 1466 return; 1467 } 1468 bzero(request, sizeof(*request)); 1469 1470 /* setup request */ 1471 request->dev = NULL; 1472 request->parent = dev; 1473 request->unit = ccb->ccb_h.target_id; 1474 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1475 request->data = ccb->ataio.data_ptr; 1476 request->bytecount = ccb->ataio.dxfer_len; 1477 request->u.ata.command = ccb->ataio.cmd.command; 1478 request->u.ata.feature = ((uint16_t)ccb->ataio.cmd.features_exp << 8) | 1479 (uint16_t)ccb->ataio.cmd.features; 1480 request->u.ata.count = ((uint16_t)ccb->ataio.cmd.sector_count_exp << 8) | 1481 (uint16_t)ccb->ataio.cmd.sector_count; 1482 if (ccb->ataio.cmd.flags & CAM_ATAIO_48BIT) { 1483 request->flags |= ATA_R_48BIT; 1484 request->u.ata.lba = 1485 ((uint64_t)ccb->ataio.cmd.lba_high_exp << 40) | 1486 ((uint64_t)ccb->ataio.cmd.lba_mid_exp << 32) | 1487 ((uint64_t)ccb->ataio.cmd.lba_low_exp << 24); 1488 } else { 1489 request->u.ata.lba = 1490 ((uint64_t)(ccb->ataio.cmd.device & 0x0f) << 24); 1491 } 1492 request->u.ata.lba |= ((uint64_t)ccb->ataio.cmd.lba_high << 16) | 1493 ((uint64_t)ccb->ataio.cmd.lba_mid << 8) | 1494 (uint64_t)ccb->ataio.cmd.lba_low; 1495 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE && 1496 ccb->ataio.cmd.flags & CAM_ATAIO_DMA) 1497 request->flags |= ATA_R_DMA; 1498 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1499 request->flags |= ATA_R_READ; 1500 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 1501 request->flags |= ATA_R_WRITE; 1502 } else { 1503 request->data = ccb->csio.data_ptr; 1504 request->bytecount = ccb->csio.dxfer_len; 1505 bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ? 1506 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes, 1507 request->u.atapi.ccb, ccb->csio.cdb_len); 1508 request->flags |= ATA_R_ATAPI; 1509 if (ch->curr[ccb->ccb_h.target_id].atapi == 16) 1510 request->flags |= ATA_R_ATAPI16; 1511 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE && 1512 ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA) 1513 request->flags |= ATA_R_DMA; 1514 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1515 request->flags |= ATA_R_READ; 1516 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 1517 request->flags |= ATA_R_WRITE; 1518 } 1519 request->transfersize = min(request->bytecount, 1520 ch->curr[ccb->ccb_h.target_id].bytecount); 1521 request->retries = 0; 1522 request->timeout = (ccb->ccb_h.timeout + 999) / 1000; 1523 callout_init_mtx(&request->callout, &ch->state_mtx, CALLOUT_RETURNUNLOCKED); 1524 request->ccb = ccb; 1525 1526 ch->running = request; 1527 ch->state = ATA_ACTIVE; 1528 if (ch->hw.begin_transaction(request) == ATA_OP_FINISHED) { 1529 ch->running = NULL; 1530 ch->state = ATA_IDLE; 1531 ata_cam_end_transaction(dev, request); 1532 return; 1533 } 1534 } 1535 1536 static void 1537 ata_cam_request_sense(device_t dev, struct ata_request *request) 1538 { 1539 struct ata_channel *ch = device_get_softc(dev); 1540 union ccb *ccb = request->ccb; 1541 1542 ch->requestsense = 1; 1543 1544 bzero(request, sizeof(*request)); 1545 request->dev = NULL; 1546 request->parent = dev; 1547 request->unit = ccb->ccb_h.target_id; 1548 request->data = (void *)&ccb->csio.sense_data; 1549 request->bytecount = ccb->csio.sense_len; 1550 request->u.atapi.ccb[0] = ATAPI_REQUEST_SENSE; 1551 request->u.atapi.ccb[4] = ccb->csio.sense_len; 1552 request->flags |= ATA_R_ATAPI; 1553 if (ch->curr[ccb->ccb_h.target_id].atapi == 16) 1554 request->flags |= ATA_R_ATAPI16; 1555 if (ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA) 1556 request->flags |= ATA_R_DMA; 1557 request->flags |= ATA_R_READ; 1558 request->transfersize = min(request->bytecount, 1559 ch->curr[ccb->ccb_h.target_id].bytecount); 1560 request->retries = 0; 1561 request->timeout = (ccb->ccb_h.timeout + 999) / 1000; 1562 callout_init_mtx(&request->callout, &ch->state_mtx, CALLOUT_RETURNUNLOCKED); 1563 request->ccb = ccb; 1564 1565 ch->running = request; 1566 ch->state = ATA_ACTIVE; 1567 if (ch->hw.begin_transaction(request) == ATA_OP_FINISHED) { 1568 ch->running = NULL; 1569 ch->state = ATA_IDLE; 1570 ata_cam_end_transaction(dev, request); 1571 return; 1572 } 1573 } 1574 1575 static void 1576 ata_cam_process_sense(device_t dev, struct ata_request *request) 1577 { 1578 struct ata_channel *ch = device_get_softc(dev); 1579 union ccb *ccb = request->ccb; 1580 int fatalerr = 0; 1581 1582 ch->requestsense = 0; 1583 1584 if (request->flags & ATA_R_TIMEOUT) 1585 fatalerr = 1; 1586 if ((request->flags & ATA_R_TIMEOUT) == 0 && 1587 (request->status & ATA_S_ERROR) == 0 && 1588 request->result == 0) { 1589 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 1590 } else { 1591 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1592 ccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 1593 } 1594 1595 ata_free_request(request); 1596 xpt_done(ccb); 1597 /* Do error recovery if needed. */ 1598 if (fatalerr) 1599 ata_reinit(dev); 1600 } 1601 1602 void 1603 ata_cam_end_transaction(device_t dev, struct ata_request *request) 1604 { 1605 struct ata_channel *ch = device_get_softc(dev); 1606 union ccb *ccb = request->ccb; 1607 int fatalerr = 0; 1608 1609 if (ch->requestsense) { 1610 ata_cam_process_sense(dev, request); 1611 return; 1612 } 1613 1614 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1615 if (request->flags & ATA_R_TIMEOUT) { 1616 xpt_freeze_simq(ch->sim, 1); 1617 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1618 ccb->ccb_h.status |= CAM_CMD_TIMEOUT | CAM_RELEASE_SIMQ; 1619 fatalerr = 1; 1620 } else if (request->status & ATA_S_ERROR) { 1621 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1622 ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR; 1623 } else { 1624 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 1625 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1626 } 1627 } else if (request->result == ERESTART) 1628 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1629 else if (request->result != 0) 1630 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1631 else 1632 ccb->ccb_h.status |= CAM_REQ_CMP; 1633 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP && 1634 !(ccb->ccb_h.status & CAM_DEV_QFRZN)) { 1635 xpt_freeze_devq(ccb->ccb_h.path, 1); 1636 ccb->ccb_h.status |= CAM_DEV_QFRZN; 1637 } 1638 if (ccb->ccb_h.func_code == XPT_ATA_IO && 1639 ((request->status & ATA_S_ERROR) || 1640 (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT))) { 1641 struct ata_res *res = &ccb->ataio.res; 1642 res->status = request->status; 1643 res->error = request->error; 1644 res->lba_low = request->u.ata.lba; 1645 res->lba_mid = request->u.ata.lba >> 8; 1646 res->lba_high = request->u.ata.lba >> 16; 1647 res->device = request->u.ata.lba >> 24; 1648 res->lba_low_exp = request->u.ata.lba >> 24; 1649 res->lba_mid_exp = request->u.ata.lba >> 32; 1650 res->lba_high_exp = request->u.ata.lba >> 40; 1651 res->sector_count = request->u.ata.count; 1652 res->sector_count_exp = request->u.ata.count >> 8; 1653 } 1654 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1655 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1656 ccb->ataio.resid = 1657 ccb->ataio.dxfer_len - request->donecount; 1658 } else { 1659 ccb->csio.resid = 1660 ccb->csio.dxfer_len - request->donecount; 1661 } 1662 } 1663 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR && 1664 (ccb->ccb_h.flags & CAM_DIS_AUTOSENSE) == 0) 1665 ata_cam_request_sense(dev, request); 1666 else { 1667 ata_free_request(request); 1668 xpt_done(ccb); 1669 } 1670 /* Do error recovery if needed. */ 1671 if (fatalerr) 1672 ata_reinit(dev); 1673 } 1674 1675 static int 1676 ata_check_ids(device_t dev, union ccb *ccb) 1677 { 1678 struct ata_channel *ch = device_get_softc(dev); 1679 1680 if (ccb->ccb_h.target_id > ((ch->flags & ATA_NO_SLAVE) ? 0 : 1)) { 1681 ccb->ccb_h.status = CAM_TID_INVALID; 1682 xpt_done(ccb); 1683 return (-1); 1684 } 1685 if (ccb->ccb_h.target_lun != 0) { 1686 ccb->ccb_h.status = CAM_LUN_INVALID; 1687 xpt_done(ccb); 1688 return (-1); 1689 } 1690 return (0); 1691 } 1692 1693 static void 1694 ataaction(struct cam_sim *sim, union ccb *ccb) 1695 { 1696 device_t dev, parent; 1697 struct ata_channel *ch; 1698 1699 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ataaction func_code=%x\n", 1700 ccb->ccb_h.func_code)); 1701 1702 ch = (struct ata_channel *)cam_sim_softc(sim); 1703 dev = ch->dev; 1704 switch (ccb->ccb_h.func_code) { 1705 /* Common cases first */ 1706 case XPT_ATA_IO: /* Execute the requested I/O operation */ 1707 case XPT_SCSI_IO: 1708 if (ata_check_ids(dev, ccb)) 1709 return; 1710 if ((ch->devices & ((ATA_ATA_MASTER | ATA_ATAPI_MASTER) 1711 << ccb->ccb_h.target_id)) == 0) { 1712 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 1713 break; 1714 } 1715 if (ch->running) 1716 device_printf(dev, "already running!\n"); 1717 if (ccb->ccb_h.func_code == XPT_ATA_IO && 1718 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) && 1719 (ccb->ataio.cmd.control & ATA_A_RESET)) { 1720 struct ata_res *res = &ccb->ataio.res; 1721 1722 bzero(res, sizeof(*res)); 1723 if (ch->devices & (ATA_ATA_MASTER << ccb->ccb_h.target_id)) { 1724 res->lba_high = 0; 1725 res->lba_mid = 0; 1726 } else { 1727 res->lba_high = 0xeb; 1728 res->lba_mid = 0x14; 1729 } 1730 ccb->ccb_h.status = CAM_REQ_CMP; 1731 break; 1732 } 1733 ata_cam_begin_transaction(dev, ccb); 1734 return; 1735 case XPT_EN_LUN: /* Enable LUN as a target */ 1736 case XPT_TARGET_IO: /* Execute target I/O request */ 1737 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 1738 case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/ 1739 case XPT_ABORT: /* Abort the specified CCB */ 1740 /* XXX Implement */ 1741 ccb->ccb_h.status = CAM_REQ_INVALID; 1742 break; 1743 case XPT_SET_TRAN_SETTINGS: 1744 { 1745 struct ccb_trans_settings *cts = &ccb->cts; 1746 struct ata_cam_device *d; 1747 1748 if (ata_check_ids(dev, ccb)) 1749 return; 1750 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1751 d = &ch->curr[ccb->ccb_h.target_id]; 1752 else 1753 d = &ch->user[ccb->ccb_h.target_id]; 1754 if (ch->flags & ATA_SATA) { 1755 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION) 1756 d->revision = cts->xport_specific.sata.revision; 1757 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE) { 1758 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) { 1759 d->mode = ATA_SETMODE(ch->dev, 1760 ccb->ccb_h.target_id, 1761 cts->xport_specific.sata.mode); 1762 } else 1763 d->mode = cts->xport_specific.sata.mode; 1764 } 1765 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 1766 d->bytecount = min(8192, cts->xport_specific.sata.bytecount); 1767 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_ATAPI) 1768 d->atapi = cts->xport_specific.sata.atapi; 1769 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1770 d->caps = cts->xport_specific.sata.caps; 1771 } else { 1772 if (cts->xport_specific.ata.valid & CTS_ATA_VALID_MODE) { 1773 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) { 1774 d->mode = ATA_SETMODE(ch->dev, 1775 ccb->ccb_h.target_id, 1776 cts->xport_specific.ata.mode); 1777 } else 1778 d->mode = cts->xport_specific.ata.mode; 1779 } 1780 if (cts->xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 1781 d->bytecount = cts->xport_specific.ata.bytecount; 1782 if (cts->xport_specific.ata.valid & CTS_ATA_VALID_ATAPI) 1783 d->atapi = cts->xport_specific.ata.atapi; 1784 } 1785 ccb->ccb_h.status = CAM_REQ_CMP; 1786 break; 1787 } 1788 case XPT_GET_TRAN_SETTINGS: 1789 { 1790 struct ccb_trans_settings *cts = &ccb->cts; 1791 struct ata_cam_device *d; 1792 1793 if (ata_check_ids(dev, ccb)) 1794 return; 1795 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1796 d = &ch->curr[ccb->ccb_h.target_id]; 1797 else 1798 d = &ch->user[ccb->ccb_h.target_id]; 1799 cts->protocol = PROTO_UNSPECIFIED; 1800 cts->protocol_version = PROTO_VERSION_UNSPECIFIED; 1801 if (ch->flags & ATA_SATA) { 1802 cts->transport = XPORT_SATA; 1803 cts->transport_version = XPORT_VERSION_UNSPECIFIED; 1804 cts->xport_specific.sata.valid = 0; 1805 cts->xport_specific.sata.mode = d->mode; 1806 cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE; 1807 cts->xport_specific.sata.bytecount = d->bytecount; 1808 cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT; 1809 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) { 1810 cts->xport_specific.sata.revision = 1811 ATA_GETREV(dev, ccb->ccb_h.target_id); 1812 if (cts->xport_specific.sata.revision != 0xff) { 1813 cts->xport_specific.sata.valid |= 1814 CTS_SATA_VALID_REVISION; 1815 } 1816 cts->xport_specific.sata.caps = 1817 d->caps & CTS_SATA_CAPS_D; 1818 if (ch->pm_level) { 1819 cts->xport_specific.sata.caps |= 1820 CTS_SATA_CAPS_H_PMREQ; 1821 } 1822 cts->xport_specific.sata.caps &= 1823 ch->user[ccb->ccb_h.target_id].caps; 1824 cts->xport_specific.sata.valid |= 1825 CTS_SATA_VALID_CAPS; 1826 } else { 1827 cts->xport_specific.sata.revision = d->revision; 1828 cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION; 1829 cts->xport_specific.sata.caps = d->caps; 1830 cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; 1831 } 1832 cts->xport_specific.sata.atapi = d->atapi; 1833 cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI; 1834 } else { 1835 cts->transport = XPORT_ATA; 1836 cts->transport_version = XPORT_VERSION_UNSPECIFIED; 1837 cts->xport_specific.ata.valid = 0; 1838 cts->xport_specific.ata.mode = d->mode; 1839 cts->xport_specific.ata.valid |= CTS_ATA_VALID_MODE; 1840 cts->xport_specific.ata.bytecount = d->bytecount; 1841 cts->xport_specific.ata.valid |= CTS_ATA_VALID_BYTECOUNT; 1842 cts->xport_specific.ata.atapi = d->atapi; 1843 cts->xport_specific.ata.valid |= CTS_ATA_VALID_ATAPI; 1844 } 1845 ccb->ccb_h.status = CAM_REQ_CMP; 1846 break; 1847 } 1848 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1849 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1850 ata_reinit(dev); 1851 ccb->ccb_h.status = CAM_REQ_CMP; 1852 break; 1853 case XPT_TERM_IO: /* Terminate the I/O process */ 1854 /* XXX Implement */ 1855 ccb->ccb_h.status = CAM_REQ_INVALID; 1856 break; 1857 case XPT_PATH_INQ: /* Path routing inquiry */ 1858 { 1859 struct ccb_pathinq *cpi = &ccb->cpi; 1860 1861 parent = device_get_parent(dev); 1862 cpi->version_num = 1; /* XXX??? */ 1863 cpi->hba_inquiry = PI_SDTR_ABLE; 1864 cpi->target_sprt = 0; 1865 cpi->hba_misc = PIM_SEQSCAN; 1866 cpi->hba_eng_cnt = 0; 1867 if (ch->flags & ATA_NO_SLAVE) 1868 cpi->max_target = 0; 1869 else 1870 cpi->max_target = 1; 1871 cpi->max_lun = 0; 1872 cpi->initiator_id = 0; 1873 cpi->bus_id = cam_sim_bus(sim); 1874 if (ch->flags & ATA_SATA) 1875 cpi->base_transfer_speed = 150000; 1876 else 1877 cpi->base_transfer_speed = 3300; 1878 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1879 strncpy(cpi->hba_vid, "ATA", HBA_IDLEN); 1880 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1881 cpi->unit_number = cam_sim_unit(sim); 1882 if (ch->flags & ATA_SATA) 1883 cpi->transport = XPORT_SATA; 1884 else 1885 cpi->transport = XPORT_ATA; 1886 cpi->transport_version = XPORT_VERSION_UNSPECIFIED; 1887 cpi->protocol = PROTO_ATA; 1888 cpi->protocol_version = PROTO_VERSION_UNSPECIFIED; 1889 cpi->maxio = ch->dma.max_iosize ? ch->dma.max_iosize : DFLTPHYS; 1890 if (device_get_devclass(device_get_parent(parent)) == 1891 devclass_find("pci")) { 1892 cpi->hba_vendor = pci_get_vendor(parent); 1893 cpi->hba_device = pci_get_device(parent); 1894 cpi->hba_subvendor = pci_get_subvendor(parent); 1895 cpi->hba_subdevice = pci_get_subdevice(parent); 1896 } 1897 cpi->ccb_h.status = CAM_REQ_CMP; 1898 break; 1899 } 1900 default: 1901 ccb->ccb_h.status = CAM_REQ_INVALID; 1902 break; 1903 } 1904 xpt_done(ccb); 1905 } 1906 1907 static void 1908 atapoll(struct cam_sim *sim) 1909 { 1910 struct ata_channel *ch = (struct ata_channel *)cam_sim_softc(sim); 1911 1912 ata_interrupt_locked(ch); 1913 } 1914 #endif 1915 1916 /* 1917 * module handeling 1918 */ 1919 static int 1920 ata_module_event_handler(module_t mod, int what, void *arg) 1921 { 1922 #ifndef ATA_CAM 1923 static struct cdev *atacdev; 1924 #endif 1925 1926 switch (what) { 1927 case MOD_LOAD: 1928 #ifndef ATA_CAM 1929 /* register controlling device */ 1930 atacdev = make_dev(&ata_cdevsw, 0, UID_ROOT, GID_OPERATOR, 0600, "ata"); 1931 1932 if (cold) { 1933 /* register boot attach to be run when interrupts are enabled */ 1934 if (!(ata_delayed_attach = (struct intr_config_hook *) 1935 malloc(sizeof(struct intr_config_hook), 1936 M_TEMP, M_NOWAIT | M_ZERO))) { 1937 printf("ata: malloc of delayed attach hook failed\n"); 1938 return EIO; 1939 } 1940 ata_delayed_attach->ich_func = (void*)ata_boot_attach; 1941 if (config_intrhook_establish(ata_delayed_attach) != 0) { 1942 printf("ata: config_intrhook_establish failed\n"); 1943 free(ata_delayed_attach, M_TEMP); 1944 } 1945 } 1946 #endif 1947 return 0; 1948 1949 case MOD_UNLOAD: 1950 #ifndef ATA_CAM 1951 /* deregister controlling device */ 1952 destroy_dev(atacdev); 1953 #endif 1954 return 0; 1955 1956 default: 1957 return EOPNOTSUPP; 1958 } 1959 } 1960 1961 static moduledata_t ata_moduledata = { "ata", ata_module_event_handler, NULL }; 1962 DECLARE_MODULE(ata, ata_moduledata, SI_SUB_CONFIGURE, SI_ORDER_SECOND); 1963 MODULE_VERSION(ata, 1); 1964 #ifdef ATA_CAM 1965 MODULE_DEPEND(ata, cam, 1, 1, 1); 1966 #endif 1967 1968 static void 1969 ata_init(void) 1970 { 1971 ata_request_zone = uma_zcreate("ata_request", sizeof(struct ata_request), 1972 NULL, NULL, NULL, NULL, 0, 0); 1973 ata_composite_zone = uma_zcreate("ata_composite", 1974 sizeof(struct ata_composite), 1975 NULL, NULL, NULL, NULL, 0, 0); 1976 } 1977 SYSINIT(ata_register, SI_SUB_DRIVERS, SI_ORDER_SECOND, ata_init, NULL); 1978 1979 static void 1980 ata_uninit(void) 1981 { 1982 uma_zdestroy(ata_composite_zone); 1983 uma_zdestroy(ata_request_zone); 1984 } 1985 SYSUNINIT(ata_unregister, SI_SUB_DRIVERS, SI_ORDER_SECOND, ata_uninit, NULL); 1986