ata-all.c revision 201990
1/*- 2 * Copyright (c) 1998 - 2008 S�ren 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: head/sys/dev/ata/ata-all.c 201990 2010-01-10 09:20:56Z mav $"); 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 <ata_if.h> 52 53#ifdef ATA_CAM 54#include <cam/cam.h> 55#include <cam/cam_ccb.h> 56#include <cam/cam_sim.h> 57#include <cam/cam_xpt_sim.h> 58#include <cam/cam_xpt_periph.h> 59#include <cam/cam_debug.h> 60#endif 61 62#ifndef ATA_CAM 63/* device structure */ 64static d_ioctl_t ata_ioctl; 65static 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 75static void ata_boot_attach(void); 76static device_t ata_add_child(device_t, struct ata_device *, int); 77#else 78static void ataaction(struct cam_sim *sim, union ccb *ccb); 79static void atapoll(struct cam_sim *sim); 80#endif 81static void ata_conn_event(void *, int); 82static void bswap(int8_t *, int); 83static void btrim(int8_t *, int); 84static void bpack(int8_t *, int8_t *, int); 85static void ata_interrupt_locked(void *data); 86 87/* global vars */ 88MALLOC_DEFINE(M_ATA, "ata_generic", "ATA driver generic layer"); 89int (*ata_raid_ioctl_func)(u_long cmd, caddr_t data) = NULL; 90struct intr_config_hook *ata_delayed_attach = NULL; 91devclass_t ata_devclass; 92uma_zone_t ata_request_zone; 93uma_zone_t ata_composite_zone; 94int ata_wc = 1; 95int ata_setmax = 0; 96int ata_dma_check_80pin = 1; 97 98/* local vars */ 99static int ata_dma = 1; 100static int atapi_dma = 1; 101 102/* sysctl vars */ 103SYSCTL_NODE(_hw, OID_AUTO, ata, CTLFLAG_RD, 0, "ATA driver parameters"); 104TUNABLE_INT("hw.ata.ata_dma", &ata_dma); 105SYSCTL_INT(_hw_ata, OID_AUTO, ata_dma, CTLFLAG_RDTUN, &ata_dma, 0, 106 "ATA disk DMA mode control"); 107TUNABLE_INT("hw.ata.ata_dma_check_80pin", &ata_dma_check_80pin); 108SYSCTL_INT(_hw_ata, OID_AUTO, ata_dma_check_80pin, 109 CTLFLAG_RDTUN, &ata_dma_check_80pin, 1, 110 "Check for 80pin cable before setting ATA DMA mode"); 111TUNABLE_INT("hw.ata.atapi_dma", &atapi_dma); 112SYSCTL_INT(_hw_ata, OID_AUTO, atapi_dma, CTLFLAG_RDTUN, &atapi_dma, 0, 113 "ATAPI device DMA mode control"); 114TUNABLE_INT("hw.ata.wc", &ata_wc); 115SYSCTL_INT(_hw_ata, OID_AUTO, wc, CTLFLAG_RDTUN, &ata_wc, 0, 116 "ATA disk write caching"); 117TUNABLE_INT("hw.ata.setmax", &ata_setmax); 118SYSCTL_INT(_hw_ata, OID_AUTO, setmax, CTLFLAG_RDTUN, &ata_setmax, 0, 119 "ATA disk set max native address"); 120 121/* 122 * newbus device interface related functions 123 */ 124int 125ata_probe(device_t dev) 126{ 127 return 0; 128} 129 130int 131ata_attach(device_t dev) 132{ 133 struct ata_channel *ch = device_get_softc(dev); 134 int error, rid; 135#ifdef ATA_CAM 136 struct cam_devq *devq; 137 int i; 138#endif 139 140 /* check that we have a virgin channel to attach */ 141 if (ch->r_irq) 142 return EEXIST; 143 144 /* initialize the softc basics */ 145 ch->dev = dev; 146 ch->state = ATA_IDLE; 147 bzero(&ch->state_mtx, sizeof(struct mtx)); 148 mtx_init(&ch->state_mtx, "ATA state lock", NULL, MTX_DEF); 149 bzero(&ch->queue_mtx, sizeof(struct mtx)); 150 mtx_init(&ch->queue_mtx, "ATA queue lock", NULL, MTX_DEF); 151 TAILQ_INIT(&ch->ata_queue); 152 TASK_INIT(&ch->conntask, 0, ata_conn_event, dev); 153#ifdef ATA_CAM 154 for (i = 0; i < 16; i++) { 155 ch->user[i].mode = 0; 156 if (ch->flags & ATA_SATA) 157 ch->user[i].bytecount = 8192; 158 else 159 ch->user[i].bytecount = MAXPHYS; 160 ch->curr[i] = ch->user[i]; 161 } 162#endif 163 164 /* reset the controller HW, the channel and device(s) */ 165 while (ATA_LOCKING(dev, ATA_LF_LOCK) != ch->unit) 166 pause("ataatch", 1); 167#ifndef ATA_CAM 168 ATA_RESET(dev); 169#endif 170 ATA_LOCKING(dev, ATA_LF_UNLOCK); 171 172 /* allocate DMA resources if DMA HW present*/ 173 if (ch->dma.alloc) 174 ch->dma.alloc(dev); 175 176 /* setup interrupt delivery */ 177 rid = ATA_IRQ_RID; 178 ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 179 RF_SHAREABLE | RF_ACTIVE); 180 if (!ch->r_irq) { 181 device_printf(dev, "unable to allocate interrupt\n"); 182 return ENXIO; 183 } 184 if ((error = bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL, 185 ata_interrupt, ch, &ch->ih))) { 186 device_printf(dev, "unable to setup interrupt\n"); 187 return error; 188 } 189 190#ifndef ATA_CAM 191 /* probe and attach devices on this channel unless we are in early boot */ 192 if (!ata_delayed_attach) 193 ata_identify(dev); 194 return (0); 195#else 196 mtx_lock(&ch->state_mtx); 197 /* Create the device queue for our SIM. */ 198 devq = cam_simq_alloc(1); 199 if (devq == NULL) { 200 device_printf(dev, "Unable to allocate simq\n"); 201 error = ENOMEM; 202 goto err1; 203 } 204 /* Construct SIM entry */ 205 ch->sim = cam_sim_alloc(ataaction, atapoll, "ata", ch, 206 device_get_unit(dev), &ch->state_mtx, 1, 0, devq); 207 if (ch->sim == NULL) { 208 device_printf(dev, "unable to allocate sim\n"); 209 error = ENOMEM; 210 goto err2; 211 } 212 if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) { 213 device_printf(dev, "unable to register xpt bus\n"); 214 error = ENXIO; 215 goto err2; 216 } 217 if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim), 218 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 219 device_printf(dev, "unable to create path\n"); 220 error = ENXIO; 221 goto err3; 222 } 223 mtx_unlock(&ch->state_mtx); 224 return (0); 225 226err3: 227 xpt_bus_deregister(cam_sim_path(ch->sim)); 228err2: 229 cam_sim_free(ch->sim, /*free_devq*/TRUE); 230err1: 231 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 232 mtx_unlock(&ch->state_mtx); 233 return (error); 234#endif 235} 236 237int 238ata_detach(device_t dev) 239{ 240 struct ata_channel *ch = device_get_softc(dev); 241#ifndef ATA_CAM 242 device_t *children; 243 int nchildren, i; 244#endif 245 246 /* check that we have a valid channel to detach */ 247 if (!ch->r_irq) 248 return ENXIO; 249 250 /* grap the channel lock so no new requests gets launched */ 251 mtx_lock(&ch->state_mtx); 252 ch->state |= ATA_STALL_QUEUE; 253 mtx_unlock(&ch->state_mtx); 254 255#ifndef ATA_CAM 256 /* detach & delete all children */ 257 if (!device_get_children(dev, &children, &nchildren)) { 258 for (i = 0; i < nchildren; i++) 259 if (children[i]) 260 device_delete_child(dev, children[i]); 261 free(children, M_TEMP); 262 } 263#endif 264 taskqueue_drain(taskqueue_thread, &ch->conntask); 265 266#ifdef ATA_CAM 267 mtx_lock(&ch->state_mtx); 268 xpt_async(AC_LOST_DEVICE, ch->path, NULL); 269 xpt_free_path(ch->path); 270 xpt_bus_deregister(cam_sim_path(ch->sim)); 271 cam_sim_free(ch->sim, /*free_devq*/TRUE); 272 mtx_unlock(&ch->state_mtx); 273#endif 274 275 /* release resources */ 276 bus_teardown_intr(dev, ch->r_irq, ch->ih); 277 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 278 ch->r_irq = NULL; 279 280 /* free DMA resources if DMA HW present*/ 281 if (ch->dma.free) 282 ch->dma.free(dev); 283 284 mtx_destroy(&ch->state_mtx); 285 mtx_destroy(&ch->queue_mtx); 286 return 0; 287} 288 289static void 290ata_conn_event(void *context, int dummy) 291{ 292 device_t dev = (device_t)context; 293 struct ata_channel *ch = device_get_softc(dev); 294 295 mtx_lock(&ch->state_mtx); 296 ata_reinit(dev); 297 mtx_unlock(&ch->state_mtx); 298} 299 300int 301ata_reinit(device_t dev) 302{ 303 struct ata_channel *ch = device_get_softc(dev); 304 struct ata_request *request; 305#ifndef ATA_CAM 306 device_t *children; 307 int nchildren, i; 308 309 /* check that we have a valid channel to reinit */ 310 if (!ch || !ch->r_irq) 311 return ENXIO; 312 313 if (bootverbose) 314 device_printf(dev, "reiniting channel ..\n"); 315 316 /* poll for locking the channel */ 317 while (ATA_LOCKING(dev, ATA_LF_LOCK) != ch->unit) 318 pause("atarini", 1); 319 320 /* catch eventual request in ch->running */ 321 mtx_lock(&ch->state_mtx); 322 if (ch->state & ATA_STALL_QUEUE) { 323 /* Recursive reinits and reinits during detach prohobited. */ 324 mtx_unlock(&ch->state_mtx); 325 return (ENXIO); 326 } 327 if ((request = ch->running)) 328 callout_stop(&request->callout); 329 ch->running = NULL; 330 331 /* unconditionally grap the channel lock */ 332 ch->state |= ATA_STALL_QUEUE; 333 mtx_unlock(&ch->state_mtx); 334 335 /* reset the controller HW, the channel and device(s) */ 336 ATA_RESET(dev); 337 338 /* reinit the children and delete any that fails */ 339 if (!device_get_children(dev, &children, &nchildren)) { 340 mtx_lock(&Giant); /* newbus suckage it needs Giant */ 341 for (i = 0; i < nchildren; i++) { 342 /* did any children go missing ? */ 343 if (children[i] && device_is_attached(children[i]) && 344 ATA_REINIT(children[i])) { 345 /* 346 * if we had a running request and its device matches 347 * this child we need to inform the request that the 348 * device is gone. 349 */ 350 if (request && request->dev == children[i]) { 351 request->result = ENXIO; 352 device_printf(request->dev, "FAILURE - device detached\n"); 353 354 /* if not timeout finish request here */ 355 if (!(request->flags & ATA_R_TIMEOUT)) 356 ata_finish(request); 357 request = NULL; 358 } 359 device_delete_child(dev, children[i]); 360 } 361 } 362 free(children, M_TEMP); 363 mtx_unlock(&Giant); /* newbus suckage dealt with, release Giant */ 364 } 365 366 /* if we still have a good request put it on the queue again */ 367 if (request && !(request->flags & ATA_R_TIMEOUT)) { 368 device_printf(request->dev, 369 "WARNING - %s requeued due to channel reset", 370 ata_cmd2str(request)); 371 if (!(request->flags & (ATA_R_ATAPI | ATA_R_CONTROL))) 372 printf(" LBA=%ju", request->u.ata.lba); 373 printf("\n"); 374 request->flags |= ATA_R_REQUEUE; 375 ata_queue_request(request); 376 } 377 378 /* we're done release the channel for new work */ 379 mtx_lock(&ch->state_mtx); 380 ch->state = ATA_IDLE; 381 mtx_unlock(&ch->state_mtx); 382 ATA_LOCKING(dev, ATA_LF_UNLOCK); 383 384 /* Add new children. */ 385/* ata_identify(dev); */ 386 387 if (bootverbose) 388 device_printf(dev, "reinit done ..\n"); 389 390 /* kick off requests on the queue */ 391 ata_start(dev); 392#else 393 if ((request = ch->running)) { 394 ch->running = NULL; 395 if (ch->state == ATA_ACTIVE) 396 ch->state = ATA_IDLE; 397 callout_stop(&request->callout); 398 if (ch->dma.unload) 399 ch->dma.unload(request); 400 request->result = ERESTART; 401 ata_cam_end_transaction(dev, request); 402 } 403 /* reset the controller HW, the channel and device(s) */ 404 ATA_RESET(dev); 405 /* Tell the XPT about the event */ 406 xpt_async(AC_BUS_RESET, ch->path, NULL); 407#endif 408 return(0); 409} 410 411int 412ata_suspend(device_t dev) 413{ 414 struct ata_channel *ch; 415 416 /* check for valid device */ 417 if (!dev || !(ch = device_get_softc(dev))) 418 return ENXIO; 419 420#ifndef ATA_CAM 421 /* wait for the channel to be IDLE or detached before suspending */ 422 while (ch->r_irq) { 423 mtx_lock(&ch->state_mtx); 424 if (ch->state == ATA_IDLE) { 425 ch->state = ATA_ACTIVE; 426 mtx_unlock(&ch->state_mtx); 427 break; 428 } 429 mtx_unlock(&ch->state_mtx); 430 tsleep(ch, PRIBIO, "atasusp", hz/10); 431 } 432 ATA_LOCKING(dev, ATA_LF_UNLOCK); 433#endif 434 return(0); 435} 436 437int 438ata_resume(device_t dev) 439{ 440 int error; 441 442 /* check for valid device */ 443 if (!dev || !device_get_softc(dev)) 444 return ENXIO; 445 446 /* reinit the devices, we dont know what mode/state they are in */ 447 error = ata_reinit(dev); 448 449#ifndef ATA_CAM 450 /* kick off requests on the queue */ 451 ata_start(dev); 452#endif 453 return error; 454} 455 456void 457ata_interrupt(void *data) 458{ 459#ifdef ATA_CAM 460 struct ata_channel *ch = (struct ata_channel *)data; 461 462 mtx_lock(&ch->state_mtx); 463#endif 464 ata_interrupt_locked(data); 465#ifdef ATA_CAM 466 mtx_unlock(&ch->state_mtx); 467#endif 468} 469 470static void 471ata_interrupt_locked(void *data) 472{ 473 struct ata_channel *ch = (struct ata_channel *)data; 474 struct ata_request *request; 475 476#ifndef ATA_CAM 477 mtx_lock(&ch->state_mtx); 478#endif 479 do { 480 /* ignore interrupt if its not for us */ 481 if (ch->hw.status && !ch->hw.status(ch->dev)) 482 break; 483 484 /* do we have a running request */ 485 if (!(request = ch->running)) 486 break; 487 488 ATA_DEBUG_RQ(request, "interrupt"); 489 490 /* safetycheck for the right state */ 491 if (ch->state == ATA_IDLE) { 492 device_printf(request->dev, "interrupt on idle channel ignored\n"); 493 break; 494 } 495 496 /* 497 * we have the HW locks, so end the transaction for this request 498 * if it finishes immediately otherwise wait for next interrupt 499 */ 500 if (ch->hw.end_transaction(request) == ATA_OP_FINISHED) { 501 ch->running = NULL; 502 if (ch->state == ATA_ACTIVE) 503 ch->state = ATA_IDLE; 504#ifdef ATA_CAM 505 ata_cam_end_transaction(ch->dev, request); 506#else 507 mtx_unlock(&ch->state_mtx); 508 ATA_LOCKING(ch->dev, ATA_LF_UNLOCK); 509 ata_finish(request); 510#endif 511 return; 512 } 513 } while (0); 514#ifndef ATA_CAM 515 mtx_unlock(&ch->state_mtx); 516#endif 517} 518 519void 520ata_print_cable(device_t dev, u_int8_t *who) 521{ 522 device_printf(dev, 523 "DMA limited to UDMA33, %s found non-ATA66 cable\n", who); 524} 525 526int 527ata_check_80pin(device_t dev, int mode) 528{ 529 struct ata_device *atadev = device_get_softc(dev); 530 531 if (!ata_dma_check_80pin) { 532 if (bootverbose) 533 device_printf(dev, "Skipping 80pin cable check\n"); 534 return mode; 535 } 536 537 if (mode > ATA_UDMA2 && !(atadev->param.hwres & ATA_CABLE_ID)) { 538 ata_print_cable(dev, "device"); 539 mode = ATA_UDMA2; 540 } 541 return mode; 542} 543 544void 545ata_setmode(device_t dev) 546{ 547 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 548 struct ata_device *atadev = device_get_softc(dev); 549 int error, mode, pmode; 550 551 mode = atadev->mode; 552 do { 553 pmode = mode = ata_limit_mode(dev, mode, ATA_DMA_MAX); 554 mode = ATA_SETMODE(device_get_parent(dev), atadev->unit, mode); 555 if ((ch->flags & (ATA_CHECKS_CABLE | ATA_SATA)) == 0) 556 mode = ata_check_80pin(dev, mode); 557 } while (pmode != mode); /* Interate till successfull negotiation. */ 558 error = ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode); 559 if (bootverbose) 560 device_printf(dev, "%ssetting %s\n", 561 (error) ? "FAILURE " : "", ata_mode2str(mode)); 562 atadev->mode = mode; 563} 564 565/* 566 * device related interfaces 567 */ 568#ifndef ATA_CAM 569static int 570ata_ioctl(struct cdev *dev, u_long cmd, caddr_t data, 571 int32_t flag, struct thread *td) 572{ 573 device_t device, *children; 574 struct ata_ioc_devices *devices = (struct ata_ioc_devices *)data; 575 int *value = (int *)data; 576 int i, nchildren, error = ENOTTY; 577 578 switch (cmd) { 579 case IOCATAGMAXCHANNEL: 580 /* In case we have channel 0..n this will return n+1. */ 581 *value = devclass_get_maxunit(ata_devclass); 582 error = 0; 583 break; 584 585 case IOCATAREINIT: 586 if (*value >= devclass_get_maxunit(ata_devclass) || 587 !(device = devclass_get_device(ata_devclass, *value)) || 588 !device_is_attached(device)) 589 return ENXIO; 590 error = ata_reinit(device); 591 break; 592 593 case IOCATAATTACH: 594 if (*value >= devclass_get_maxunit(ata_devclass) || 595 !(device = devclass_get_device(ata_devclass, *value)) || 596 !device_is_attached(device)) 597 return ENXIO; 598 error = DEVICE_ATTACH(device); 599 break; 600 601 case IOCATADETACH: 602 if (*value >= devclass_get_maxunit(ata_devclass) || 603 !(device = devclass_get_device(ata_devclass, *value)) || 604 !device_is_attached(device)) 605 return ENXIO; 606 error = DEVICE_DETACH(device); 607 break; 608 609 case IOCATADEVICES: 610 if (devices->channel >= devclass_get_maxunit(ata_devclass) || 611 !(device = devclass_get_device(ata_devclass, devices->channel)) || 612 !device_is_attached(device)) 613 return ENXIO; 614 bzero(devices->name[0], 32); 615 bzero(&devices->params[0], sizeof(struct ata_params)); 616 bzero(devices->name[1], 32); 617 bzero(&devices->params[1], sizeof(struct ata_params)); 618 if (!device_get_children(device, &children, &nchildren)) { 619 for (i = 0; i < nchildren; i++) { 620 if (children[i] && device_is_attached(children[i])) { 621 struct ata_device *atadev = device_get_softc(children[i]); 622 623 if (atadev->unit == ATA_MASTER) { /* XXX SOS PM */ 624 strncpy(devices->name[0], 625 device_get_nameunit(children[i]), 32); 626 bcopy(&atadev->param, &devices->params[0], 627 sizeof(struct ata_params)); 628 } 629 if (atadev->unit == ATA_SLAVE) { /* XXX SOS PM */ 630 strncpy(devices->name[1], 631 device_get_nameunit(children[i]), 32); 632 bcopy(&atadev->param, &devices->params[1], 633 sizeof(struct ata_params)); 634 } 635 } 636 } 637 free(children, M_TEMP); 638 error = 0; 639 } 640 else 641 error = ENODEV; 642 break; 643 644 default: 645 if (ata_raid_ioctl_func) 646 error = ata_raid_ioctl_func(cmd, data); 647 } 648 return error; 649} 650#endif 651 652int 653ata_device_ioctl(device_t dev, u_long cmd, caddr_t data) 654{ 655 struct ata_device *atadev = device_get_softc(dev); 656 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 657 struct ata_ioc_request *ioc_request = (struct ata_ioc_request *)data; 658 struct ata_params *params = (struct ata_params *)data; 659 int *mode = (int *)data; 660 struct ata_request *request; 661 caddr_t buf; 662 int error; 663 664 switch (cmd) { 665 case IOCATAREQUEST: 666 if (ioc_request->count > 667 (ch->dma.max_iosize ? ch->dma.max_iosize : DFLTPHYS)) { 668 return (EFBIG); 669 } 670 if (!(buf = malloc(ioc_request->count, M_ATA, M_NOWAIT))) { 671 return ENOMEM; 672 } 673 if (!(request = ata_alloc_request())) { 674 free(buf, M_ATA); 675 return ENOMEM; 676 } 677 request->dev = atadev->dev; 678 if (ioc_request->flags & ATA_CMD_WRITE) { 679 error = copyin(ioc_request->data, buf, ioc_request->count); 680 if (error) { 681 free(buf, M_ATA); 682 ata_free_request(request); 683 return error; 684 } 685 } 686 if (ioc_request->flags & ATA_CMD_ATAPI) { 687 request->flags = ATA_R_ATAPI; 688 bcopy(ioc_request->u.atapi.ccb, request->u.atapi.ccb, 16); 689 } 690 else { 691 request->u.ata.command = ioc_request->u.ata.command; 692 request->u.ata.feature = ioc_request->u.ata.feature; 693 request->u.ata.lba = ioc_request->u.ata.lba; 694 request->u.ata.count = ioc_request->u.ata.count; 695 } 696 request->timeout = ioc_request->timeout; 697 request->data = buf; 698 request->bytecount = ioc_request->count; 699 request->transfersize = request->bytecount; 700 if (ioc_request->flags & ATA_CMD_CONTROL) 701 request->flags |= ATA_R_CONTROL; 702 if (ioc_request->flags & ATA_CMD_READ) 703 request->flags |= ATA_R_READ; 704 if (ioc_request->flags & ATA_CMD_WRITE) 705 request->flags |= ATA_R_WRITE; 706 ata_queue_request(request); 707 if (request->flags & ATA_R_ATAPI) { 708 bcopy(&request->u.atapi.sense, &ioc_request->u.atapi.sense, 709 sizeof(struct atapi_sense)); 710 } 711 else { 712 ioc_request->u.ata.command = request->u.ata.command; 713 ioc_request->u.ata.feature = request->u.ata.feature; 714 ioc_request->u.ata.lba = request->u.ata.lba; 715 ioc_request->u.ata.count = request->u.ata.count; 716 } 717 ioc_request->error = request->result; 718 if (ioc_request->flags & ATA_CMD_READ) 719 error = copyout(buf, ioc_request->data, ioc_request->count); 720 else 721 error = 0; 722 free(buf, M_ATA); 723 ata_free_request(request); 724 return error; 725 726 case IOCATAGPARM: 727 ata_getparam(atadev, 0); 728 bcopy(&atadev->param, params, sizeof(struct ata_params)); 729 return 0; 730 731 case IOCATASMODE: 732 atadev->mode = *mode; 733 ata_setmode(dev); 734 return 0; 735 736 case IOCATAGMODE: 737 *mode = atadev->mode | 738 (ATA_GETREV(device_get_parent(dev), atadev->unit) << 8); 739 return 0; 740 case IOCATASSPINDOWN: 741 atadev->spindown = *mode; 742 return 0; 743 case IOCATAGSPINDOWN: 744 *mode = atadev->spindown; 745 return 0; 746 default: 747 return ENOTTY; 748 } 749} 750 751#ifndef ATA_CAM 752static void 753ata_boot_attach(void) 754{ 755 struct ata_channel *ch; 756 int ctlr; 757 758 mtx_lock(&Giant); /* newbus suckage it needs Giant */ 759 760 /* kick of probe and attach on all channels */ 761 for (ctlr = 0; ctlr < devclass_get_maxunit(ata_devclass); ctlr++) { 762 if ((ch = devclass_get_softc(ata_devclass, ctlr))) { 763 ata_identify(ch->dev); 764 } 765 } 766 767 /* release the hook that got us here, we are only needed once during boot */ 768 if (ata_delayed_attach) { 769 config_intrhook_disestablish(ata_delayed_attach); 770 free(ata_delayed_attach, M_TEMP); 771 ata_delayed_attach = NULL; 772 } 773 774 mtx_unlock(&Giant); /* newbus suckage dealt with, release Giant */ 775} 776#endif 777 778/* 779 * misc support functions 780 */ 781#ifndef ATA_CAM 782static device_t 783ata_add_child(device_t parent, struct ata_device *atadev, int unit) 784{ 785 device_t child; 786 787 if ((child = device_add_child(parent, NULL, unit))) { 788 device_set_softc(child, atadev); 789 device_quiet(child); 790 atadev->dev = child; 791 atadev->max_iosize = DEV_BSIZE; 792 atadev->mode = ATA_PIO_MAX; 793 } 794 return child; 795} 796#endif 797 798int 799ata_getparam(struct ata_device *atadev, int init) 800{ 801 struct ata_channel *ch = device_get_softc(device_get_parent(atadev->dev)); 802 struct ata_request *request; 803 u_int8_t command = 0; 804 int error = ENOMEM, retries = 2; 805 806 if (ch->devices & (ATA_ATA_MASTER << atadev->unit)) 807 command = ATA_ATA_IDENTIFY; 808 if (ch->devices & (ATA_ATAPI_MASTER << atadev->unit)) 809 command = ATA_ATAPI_IDENTIFY; 810 if (!command) 811 return ENXIO; 812 813 while (retries-- > 0 && error) { 814 if (!(request = ata_alloc_request())) 815 break; 816 request->dev = atadev->dev; 817 request->timeout = 1; 818 request->retries = 0; 819 request->u.ata.command = command; 820 request->flags = (ATA_R_READ|ATA_R_AT_HEAD|ATA_R_DIRECT); 821 if (!bootverbose) 822 request->flags |= ATA_R_QUIET; 823 request->data = (void *)&atadev->param; 824 request->bytecount = sizeof(struct ata_params); 825 request->donecount = 0; 826 request->transfersize = DEV_BSIZE; 827 ata_queue_request(request); 828 error = request->result; 829 ata_free_request(request); 830 } 831 832 if (!error && (isprint(atadev->param.model[0]) || 833 isprint(atadev->param.model[1]))) { 834 struct ata_params *atacap = &atadev->param; 835 int16_t *ptr; 836 837 for (ptr = (int16_t *)atacap; 838 ptr < (int16_t *)atacap + sizeof(struct ata_params)/2; ptr++) { 839 *ptr = le16toh(*ptr); 840 } 841 if (!(!strncmp(atacap->model, "FX", 2) || 842 !strncmp(atacap->model, "NEC", 3) || 843 !strncmp(atacap->model, "Pioneer", 7) || 844 !strncmp(atacap->model, "SHARP", 5))) { 845 bswap(atacap->model, sizeof(atacap->model)); 846 bswap(atacap->revision, sizeof(atacap->revision)); 847 bswap(atacap->serial, sizeof(atacap->serial)); 848 } 849 btrim(atacap->model, sizeof(atacap->model)); 850 bpack(atacap->model, atacap->model, sizeof(atacap->model)); 851 btrim(atacap->revision, sizeof(atacap->revision)); 852 bpack(atacap->revision, atacap->revision, sizeof(atacap->revision)); 853 btrim(atacap->serial, sizeof(atacap->serial)); 854 bpack(atacap->serial, atacap->serial, sizeof(atacap->serial)); 855 856 if (bootverbose) 857 printf("ata%d-%s: pio=%s wdma=%s udma=%s cable=%s wire\n", 858 device_get_unit(ch->dev), 859 ata_unit2str(atadev), 860 ata_mode2str(ata_pmode(atacap)), 861 ata_mode2str(ata_wmode(atacap)), 862 ata_mode2str(ata_umode(atacap)), 863 (atacap->hwres & ATA_CABLE_ID) ? "80":"40"); 864 865 if (init) { 866 char buffer[64]; 867 868 sprintf(buffer, "%.40s/%.8s", atacap->model, atacap->revision); 869 device_set_desc_copy(atadev->dev, buffer); 870 if ((atadev->param.config & ATA_PROTO_ATAPI) && 871 (atadev->param.config != ATA_CFA_MAGIC1) && 872 (atadev->param.config != ATA_CFA_MAGIC2)) { 873 if (atapi_dma && 874 (atadev->param.config & ATA_DRQ_MASK) != ATA_DRQ_INTR && 875 ata_umode(&atadev->param) >= ATA_UDMA2) 876 atadev->mode = ATA_DMA_MAX; 877 } 878 else { 879 if (ata_dma && 880 (ata_umode(&atadev->param) > 0 || 881 ata_wmode(&atadev->param) > 0)) 882 atadev->mode = ATA_DMA_MAX; 883 } 884 } 885 } 886 else { 887 if (!error) 888 error = ENXIO; 889 } 890 return error; 891} 892 893#ifndef ATA_CAM 894int 895ata_identify(device_t dev) 896{ 897 struct ata_channel *ch = device_get_softc(dev); 898 struct ata_device *atadev; 899 device_t *children; 900 device_t child, master = NULL; 901 int nchildren, i, n = ch->devices; 902 903 if (bootverbose) 904 device_printf(dev, "Identifying devices: %08x\n", ch->devices); 905 906 mtx_lock(&Giant); 907 /* Skip existing devices. */ 908 if (!device_get_children(dev, &children, &nchildren)) { 909 for (i = 0; i < nchildren; i++) { 910 if (children[i] && (atadev = device_get_softc(children[i]))) 911 n &= ~((ATA_ATA_MASTER | ATA_ATAPI_MASTER) << atadev->unit); 912 } 913 free(children, M_TEMP); 914 } 915 /* Create new devices. */ 916 if (bootverbose) 917 device_printf(dev, "New devices: %08x\n", n); 918 if (n == 0) { 919 mtx_unlock(&Giant); 920 return (0); 921 } 922 for (i = 0; i < ATA_PM; ++i) { 923 if (n & (((ATA_ATA_MASTER | ATA_ATAPI_MASTER) << i))) { 924 int unit = -1; 925 926 if (!(atadev = malloc(sizeof(struct ata_device), 927 M_ATA, M_NOWAIT | M_ZERO))) { 928 device_printf(dev, "out of memory\n"); 929 return ENOMEM; 930 } 931 atadev->unit = i; 932#ifdef ATA_STATIC_ID 933 if (n & (ATA_ATA_MASTER << i)) 934 unit = (device_get_unit(dev) << 1) + i; 935#endif 936 if ((child = ata_add_child(dev, atadev, unit))) { 937 /* 938 * PATA slave should be identified first, to allow 939 * device cable detection on master to work properly. 940 */ 941 if (i == 0 && (n & ATA_PORTMULTIPLIER) == 0 && 942 (n & ((ATA_ATA_MASTER | ATA_ATAPI_MASTER) << 1)) != 0) { 943 master = child; 944 continue; 945 } 946 if (ata_getparam(atadev, 1)) { 947 device_delete_child(dev, child); 948 free(atadev, M_ATA); 949 } 950 } 951 else 952 free(atadev, M_ATA); 953 } 954 } 955 if (master) { 956 atadev = device_get_softc(master); 957 if (ata_getparam(atadev, 1)) { 958 device_delete_child(dev, master); 959 free(atadev, M_ATA); 960 } 961 } 962 bus_generic_probe(dev); 963 bus_generic_attach(dev); 964 mtx_unlock(&Giant); 965 return 0; 966} 967#endif 968 969void 970ata_default_registers(device_t dev) 971{ 972 struct ata_channel *ch = device_get_softc(dev); 973 974 /* fill in the defaults from whats setup already */ 975 ch->r_io[ATA_ERROR].res = ch->r_io[ATA_FEATURE].res; 976 ch->r_io[ATA_ERROR].offset = ch->r_io[ATA_FEATURE].offset; 977 ch->r_io[ATA_IREASON].res = ch->r_io[ATA_COUNT].res; 978 ch->r_io[ATA_IREASON].offset = ch->r_io[ATA_COUNT].offset; 979 ch->r_io[ATA_STATUS].res = ch->r_io[ATA_COMMAND].res; 980 ch->r_io[ATA_STATUS].offset = ch->r_io[ATA_COMMAND].offset; 981 ch->r_io[ATA_ALTSTAT].res = ch->r_io[ATA_CONTROL].res; 982 ch->r_io[ATA_ALTSTAT].offset = ch->r_io[ATA_CONTROL].offset; 983} 984 985void 986ata_modify_if_48bit(struct ata_request *request) 987{ 988 struct ata_channel *ch = device_get_softc(request->parent); 989 struct ata_device *atadev = device_get_softc(request->dev); 990 991 request->flags &= ~ATA_R_48BIT; 992 993 if (((request->u.ata.lba + request->u.ata.count) >= ATA_MAX_28BIT_LBA || 994 request->u.ata.count > 256) && 995 atadev->param.support.command2 & ATA_SUPPORT_ADDRESS48) { 996 997 /* translate command into 48bit version */ 998 switch (request->u.ata.command) { 999 case ATA_READ: 1000 request->u.ata.command = ATA_READ48; 1001 break; 1002 case ATA_READ_MUL: 1003 request->u.ata.command = ATA_READ_MUL48; 1004 break; 1005 case ATA_READ_DMA: 1006 if (ch->flags & ATA_NO_48BIT_DMA) { 1007 if (request->transfersize > DEV_BSIZE) 1008 request->u.ata.command = ATA_READ_MUL48; 1009 else 1010 request->u.ata.command = ATA_READ48; 1011 request->flags &= ~ATA_R_DMA; 1012 } 1013 else 1014 request->u.ata.command = ATA_READ_DMA48; 1015 break; 1016 case ATA_READ_DMA_QUEUED: 1017 if (ch->flags & ATA_NO_48BIT_DMA) { 1018 if (request->transfersize > DEV_BSIZE) 1019 request->u.ata.command = ATA_READ_MUL48; 1020 else 1021 request->u.ata.command = ATA_READ48; 1022 request->flags &= ~ATA_R_DMA; 1023 } 1024 else 1025 request->u.ata.command = ATA_READ_DMA_QUEUED48; 1026 break; 1027 case ATA_WRITE: 1028 request->u.ata.command = ATA_WRITE48; 1029 break; 1030 case ATA_WRITE_MUL: 1031 request->u.ata.command = ATA_WRITE_MUL48; 1032 break; 1033 case ATA_WRITE_DMA: 1034 if (ch->flags & ATA_NO_48BIT_DMA) { 1035 if (request->transfersize > DEV_BSIZE) 1036 request->u.ata.command = ATA_WRITE_MUL48; 1037 else 1038 request->u.ata.command = ATA_WRITE48; 1039 request->flags &= ~ATA_R_DMA; 1040 } 1041 else 1042 request->u.ata.command = ATA_WRITE_DMA48; 1043 break; 1044 case ATA_WRITE_DMA_QUEUED: 1045 if (ch->flags & ATA_NO_48BIT_DMA) { 1046 if (request->transfersize > DEV_BSIZE) 1047 request->u.ata.command = ATA_WRITE_MUL48; 1048 else 1049 request->u.ata.command = ATA_WRITE48; 1050 request->u.ata.command = ATA_WRITE48; 1051 request->flags &= ~ATA_R_DMA; 1052 } 1053 else 1054 request->u.ata.command = ATA_WRITE_DMA_QUEUED48; 1055 break; 1056 case ATA_FLUSHCACHE: 1057 request->u.ata.command = ATA_FLUSHCACHE48; 1058 break; 1059 case ATA_SET_MAX_ADDRESS: 1060 request->u.ata.command = ATA_SET_MAX_ADDRESS48; 1061 break; 1062 default: 1063 return; 1064 } 1065 request->flags |= ATA_R_48BIT; 1066 } 1067 else if (atadev->param.support.command2 & ATA_SUPPORT_ADDRESS48) { 1068 1069 /* translate command into 48bit version */ 1070 switch (request->u.ata.command) { 1071 case ATA_FLUSHCACHE: 1072 request->u.ata.command = ATA_FLUSHCACHE48; 1073 break; 1074 case ATA_READ_NATIVE_MAX_ADDRESS: 1075 request->u.ata.command = ATA_READ_NATIVE_MAX_ADDRESS48; 1076 break; 1077 case ATA_SET_MAX_ADDRESS: 1078 request->u.ata.command = ATA_SET_MAX_ADDRESS48; 1079 break; 1080 default: 1081 return; 1082 } 1083 request->flags |= ATA_R_48BIT; 1084 } 1085} 1086 1087void 1088ata_udelay(int interval) 1089{ 1090 /* for now just use DELAY, the timer/sleep subsytems are not there yet */ 1091 if (1 || interval < (1000000/hz) || ata_delayed_attach) 1092 DELAY(interval); 1093 else 1094 pause("ataslp", interval/(1000000/hz)); 1095} 1096 1097char * 1098ata_unit2str(struct ata_device *atadev) 1099{ 1100 struct ata_channel *ch = device_get_softc(device_get_parent(atadev->dev)); 1101 static char str[8]; 1102 1103 if (ch->devices & ATA_PORTMULTIPLIER) 1104 sprintf(str, "port%d", atadev->unit); 1105 else 1106 sprintf(str, "%s", atadev->unit == ATA_MASTER ? "master" : "slave"); 1107 return str; 1108} 1109 1110const char * 1111ata_mode2str(int mode) 1112{ 1113 switch (mode) { 1114 case -1: return "UNSUPPORTED"; 1115 case ATA_PIO0: return "PIO0"; 1116 case ATA_PIO1: return "PIO1"; 1117 case ATA_PIO2: return "PIO2"; 1118 case ATA_PIO3: return "PIO3"; 1119 case ATA_PIO4: return "PIO4"; 1120 case ATA_WDMA0: return "WDMA0"; 1121 case ATA_WDMA1: return "WDMA1"; 1122 case ATA_WDMA2: return "WDMA2"; 1123 case ATA_UDMA0: return "UDMA16"; 1124 case ATA_UDMA1: return "UDMA25"; 1125 case ATA_UDMA2: return "UDMA33"; 1126 case ATA_UDMA3: return "UDMA40"; 1127 case ATA_UDMA4: return "UDMA66"; 1128 case ATA_UDMA5: return "UDMA100"; 1129 case ATA_UDMA6: return "UDMA133"; 1130 case ATA_SA150: return "SATA150"; 1131 case ATA_SA300: return "SATA300"; 1132 default: 1133 if (mode & ATA_DMA_MASK) 1134 return "BIOSDMA"; 1135 else 1136 return "BIOSPIO"; 1137 } 1138} 1139 1140const char * 1141ata_satarev2str(int rev) 1142{ 1143 switch (rev) { 1144 case 0: return ""; 1145 case 1: return "SATA 1.5Gb/s"; 1146 case 2: return "SATA 3Gb/s"; 1147 case 3: return "SATA 6Gb/s"; 1148 default: return "???"; 1149 } 1150} 1151 1152int 1153ata_atapi(device_t dev, int target) 1154{ 1155 struct ata_channel *ch = device_get_softc(dev); 1156 1157 return (ch->devices & (ATA_ATAPI_MASTER << target)); 1158} 1159 1160int 1161ata_pmode(struct ata_params *ap) 1162{ 1163 if (ap->atavalid & ATA_FLAG_64_70) { 1164 if (ap->apiomodes & 0x02) 1165 return ATA_PIO4; 1166 if (ap->apiomodes & 0x01) 1167 return ATA_PIO3; 1168 } 1169 if (ap->mwdmamodes & 0x04) 1170 return ATA_PIO4; 1171 if (ap->mwdmamodes & 0x02) 1172 return ATA_PIO3; 1173 if (ap->mwdmamodes & 0x01) 1174 return ATA_PIO2; 1175 if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x200) 1176 return ATA_PIO2; 1177 if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x100) 1178 return ATA_PIO1; 1179 if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x000) 1180 return ATA_PIO0; 1181 return ATA_PIO0; 1182} 1183 1184int 1185ata_wmode(struct ata_params *ap) 1186{ 1187 if (ap->mwdmamodes & 0x04) 1188 return ATA_WDMA2; 1189 if (ap->mwdmamodes & 0x02) 1190 return ATA_WDMA1; 1191 if (ap->mwdmamodes & 0x01) 1192 return ATA_WDMA0; 1193 return -1; 1194} 1195 1196int 1197ata_umode(struct ata_params *ap) 1198{ 1199 if (ap->atavalid & ATA_FLAG_88) { 1200 if (ap->udmamodes & 0x40) 1201 return ATA_UDMA6; 1202 if (ap->udmamodes & 0x20) 1203 return ATA_UDMA5; 1204 if (ap->udmamodes & 0x10) 1205 return ATA_UDMA4; 1206 if (ap->udmamodes & 0x08) 1207 return ATA_UDMA3; 1208 if (ap->udmamodes & 0x04) 1209 return ATA_UDMA2; 1210 if (ap->udmamodes & 0x02) 1211 return ATA_UDMA1; 1212 if (ap->udmamodes & 0x01) 1213 return ATA_UDMA0; 1214 } 1215 return -1; 1216} 1217 1218int 1219ata_limit_mode(device_t dev, int mode, int maxmode) 1220{ 1221 struct ata_device *atadev = device_get_softc(dev); 1222 1223 if (maxmode && mode > maxmode) 1224 mode = maxmode; 1225 1226 if (mode >= ATA_UDMA0 && ata_umode(&atadev->param) > 0) 1227 return min(mode, ata_umode(&atadev->param)); 1228 1229 if (mode >= ATA_WDMA0 && ata_wmode(&atadev->param) > 0) 1230 return min(mode, ata_wmode(&atadev->param)); 1231 1232 if (mode > ata_pmode(&atadev->param)) 1233 return min(mode, ata_pmode(&atadev->param)); 1234 1235 return mode; 1236} 1237 1238static void 1239bswap(int8_t *buf, int len) 1240{ 1241 u_int16_t *ptr = (u_int16_t*)(buf + len); 1242 1243 while (--ptr >= (u_int16_t*)buf) 1244 *ptr = ntohs(*ptr); 1245} 1246 1247static void 1248btrim(int8_t *buf, int len) 1249{ 1250 int8_t *ptr; 1251 1252 for (ptr = buf; ptr < buf+len; ++ptr) 1253 if (!*ptr || *ptr == '_') 1254 *ptr = ' '; 1255 for (ptr = buf + len - 1; ptr >= buf && *ptr == ' '; --ptr) 1256 *ptr = 0; 1257} 1258 1259static void 1260bpack(int8_t *src, int8_t *dst, int len) 1261{ 1262 int i, j, blank; 1263 1264 for (i = j = blank = 0 ; i < len; i++) { 1265 if (blank && src[i] == ' ') continue; 1266 if (blank && src[i] != ' ') { 1267 dst[j++] = src[i]; 1268 blank = 0; 1269 continue; 1270 } 1271 if (src[i] == ' ') { 1272 blank = 1; 1273 if (i == 0) 1274 continue; 1275 } 1276 dst[j++] = src[i]; 1277 } 1278 if (j < len) 1279 dst[j] = 0x00; 1280} 1281 1282#ifdef ATA_CAM 1283void 1284ata_cam_begin_transaction(device_t dev, union ccb *ccb) 1285{ 1286 struct ata_channel *ch = device_get_softc(dev); 1287 struct ata_request *request; 1288 1289 if (!(request = ata_alloc_request())) { 1290 device_printf(dev, "FAILURE - out of memory in start\n"); 1291 ccb->ccb_h.status = CAM_REQ_INVALID; 1292 xpt_done(ccb); 1293 return; 1294 } 1295 bzero(request, sizeof(*request)); 1296 1297 /* setup request */ 1298 request->dev = NULL; 1299 request->parent = dev; 1300 request->unit = ccb->ccb_h.target_id; 1301 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1302 request->data = ccb->ataio.data_ptr; 1303 request->bytecount = ccb->ataio.dxfer_len; 1304 request->u.ata.command = ccb->ataio.cmd.command; 1305 request->u.ata.feature = ((uint16_t)ccb->ataio.cmd.features_exp << 8) | 1306 (uint16_t)ccb->ataio.cmd.features; 1307 request->u.ata.count = ((uint16_t)ccb->ataio.cmd.sector_count_exp << 8) | 1308 (uint16_t)ccb->ataio.cmd.sector_count; 1309 if (ccb->ataio.cmd.flags & CAM_ATAIO_48BIT) { 1310 request->flags |= ATA_R_48BIT; 1311 request->u.ata.lba = 1312 ((uint64_t)ccb->ataio.cmd.lba_high_exp << 40) | 1313 ((uint64_t)ccb->ataio.cmd.lba_mid_exp << 32) | 1314 ((uint64_t)ccb->ataio.cmd.lba_low_exp << 24); 1315 } else { 1316 request->u.ata.lba = 1317 ((uint64_t)(ccb->ataio.cmd.device & 0x0f) << 24); 1318 } 1319 request->u.ata.lba |= ((uint64_t)ccb->ataio.cmd.lba_high << 16) | 1320 ((uint64_t)ccb->ataio.cmd.lba_mid << 8) | 1321 (uint64_t)ccb->ataio.cmd.lba_low; 1322 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE && 1323 ccb->ataio.cmd.flags & CAM_ATAIO_DMA) 1324 request->flags |= ATA_R_DMA; 1325 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1326 request->flags |= ATA_R_READ; 1327 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 1328 request->flags |= ATA_R_WRITE; 1329 } else { 1330 request->data = ccb->csio.data_ptr; 1331 request->bytecount = ccb->csio.dxfer_len; 1332 bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ? 1333 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes, 1334 request->u.atapi.ccb, ccb->csio.cdb_len); 1335 request->flags |= ATA_R_ATAPI; 1336 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE && 1337 ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA) 1338 request->flags |= ATA_R_DMA; 1339 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1340 request->flags |= ATA_R_READ; 1341 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 1342 request->flags |= ATA_R_WRITE; 1343 } 1344 request->transfersize = min(request->bytecount, 1345 ch->curr[ccb->ccb_h.target_id].bytecount); 1346// request->callback = ad_done; 1347 request->retries = 0; 1348 request->timeout = (ccb->ccb_h.timeout + 999) / 1000; 1349 callout_init_mtx(&request->callout, &ch->state_mtx, CALLOUT_RETURNUNLOCKED); 1350 request->ccb = ccb; 1351 1352 ch->running = request; 1353 ch->state = ATA_ACTIVE; 1354 if (ch->hw.begin_transaction(request) == ATA_OP_FINISHED) { 1355 ch->running = NULL; 1356 ch->state = ATA_IDLE; 1357 ata_cam_end_transaction(dev, request); 1358 return; 1359 } 1360} 1361 1362void 1363ata_cam_end_transaction(device_t dev, struct ata_request *request) 1364{ 1365 struct ata_channel *ch = device_get_softc(dev); 1366 union ccb *ccb = request->ccb; 1367 int fatalerr = 0; 1368 1369 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1370 if (request->flags & ATA_R_TIMEOUT) { 1371 xpt_freeze_simq(ch->sim, 1); 1372 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1373 ccb->ccb_h.status |= CAM_CMD_TIMEOUT | CAM_RELEASE_SIMQ; 1374 fatalerr = 1; 1375 } else if (request->status & ATA_S_ERROR) { 1376 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1377 ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR; 1378 } else { 1379 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 1380 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1381 } 1382 } else if (request->result == ERESTART) 1383 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1384 else if (request->result != 0) 1385 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1386 else 1387 ccb->ccb_h.status |= CAM_REQ_CMP; 1388 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP && 1389 !(ccb->ccb_h.status & CAM_DEV_QFRZN)) { 1390 xpt_freeze_devq(ccb->ccb_h.path, 1); 1391 ccb->ccb_h.status |= CAM_DEV_QFRZN; 1392 } 1393 if (ccb->ccb_h.func_code == XPT_ATA_IO && 1394 ((request->status & ATA_S_ERROR) || 1395 (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT))) { 1396 struct ata_res *res = &ccb->ataio.res; 1397 res->status = request->status; 1398 res->error = request->error; 1399 res->lba_low = request->u.ata.lba; 1400 res->lba_mid = request->u.ata.lba >> 8; 1401 res->lba_high = request->u.ata.lba >> 16; 1402 res->device = request->u.ata.lba >> 24; 1403 res->lba_low_exp = request->u.ata.lba >> 24; 1404 res->lba_mid_exp = request->u.ata.lba >> 32; 1405 res->lba_high_exp = request->u.ata.lba >> 40; 1406 res->sector_count = request->u.ata.count; 1407 res->sector_count_exp = request->u.ata.count >> 8; 1408 } 1409 ata_free_request(request); 1410 xpt_done(ccb); 1411 /* Do error recovery if needed. */ 1412 if (fatalerr) 1413 ata_reinit(dev); 1414} 1415 1416static void 1417ataaction(struct cam_sim *sim, union ccb *ccb) 1418{ 1419 device_t dev; 1420 struct ata_channel *ch; 1421 1422 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ataaction func_code=%x\n", 1423 ccb->ccb_h.func_code)); 1424 1425 ch = (struct ata_channel *)cam_sim_softc(sim); 1426 dev = ch->dev; 1427 switch (ccb->ccb_h.func_code) { 1428 /* Common cases first */ 1429 case XPT_ATA_IO: /* Execute the requested I/O operation */ 1430 case XPT_SCSI_IO: 1431 if ((ch->devices & ((ATA_ATA_MASTER | ATA_ATAPI_MASTER) 1432 << ccb->ccb_h.target_id)) == 0) { 1433 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 1434 xpt_done(ccb); 1435 break; 1436 } 1437 if (ch->running) 1438 device_printf(dev, "already running!\n"); 1439 if (ccb->ccb_h.func_code == XPT_ATA_IO && 1440 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) && 1441 (ccb->ataio.cmd.control & ATA_A_RESET)) { 1442 struct ata_res *res = &ccb->ataio.res; 1443 1444 bzero(res, sizeof(*res)); 1445 if (ch->devices & (ATA_ATA_MASTER << ccb->ccb_h.target_id)) { 1446 res->lba_high = 0; 1447 res->lba_mid = 0; 1448 } else { 1449 res->lba_high = 0xeb; 1450 res->lba_mid = 0x14; 1451 } 1452 ccb->ccb_h.status = CAM_REQ_CMP; 1453 xpt_done(ccb); 1454 break; 1455 } 1456 ata_cam_begin_transaction(dev, ccb); 1457 break; 1458 case XPT_EN_LUN: /* Enable LUN as a target */ 1459 case XPT_TARGET_IO: /* Execute target I/O request */ 1460 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 1461 case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/ 1462 case XPT_ABORT: /* Abort the specified CCB */ 1463 /* XXX Implement */ 1464 ccb->ccb_h.status = CAM_REQ_INVALID; 1465 xpt_done(ccb); 1466 break; 1467 case XPT_SET_TRAN_SETTINGS: 1468 { 1469 struct ccb_trans_settings *cts = &ccb->cts; 1470 struct ata_cam_device *d; 1471 1472 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1473 d = &ch->curr[ccb->ccb_h.target_id]; 1474 else 1475 d = &ch->user[ccb->ccb_h.target_id]; 1476 if (ch->flags & ATA_SATA) { 1477 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION) 1478 d->revision = cts->xport_specific.sata.revision; 1479 if (cts->xport_specific.ata.valid & CTS_SATA_VALID_MODE) { 1480 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) { 1481 d->mode = ATA_SETMODE(ch->dev, 1482 ccb->ccb_h.target_id, 1483 cts->xport_specific.sata.mode); 1484 } else 1485 d->mode = cts->xport_specific.sata.mode; 1486 } 1487 if (cts->xport_specific.ata.valid & CTS_SATA_VALID_BYTECOUNT) 1488 d->bytecount = min(8192, cts->xport_specific.sata.bytecount); 1489 } else { 1490 if (cts->xport_specific.ata.valid & CTS_ATA_VALID_MODE) { 1491 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) { 1492 d->mode = ATA_SETMODE(ch->dev, 1493 ccb->ccb_h.target_id, 1494 cts->xport_specific.ata.mode); 1495 } else 1496 d->mode = cts->xport_specific.ata.mode; 1497 } 1498 if (cts->xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 1499 d->bytecount = cts->xport_specific.ata.bytecount; 1500 } 1501 ccb->ccb_h.status = CAM_REQ_CMP; 1502 xpt_done(ccb); 1503 break; 1504 } 1505 case XPT_GET_TRAN_SETTINGS: 1506 { 1507 struct ccb_trans_settings *cts = &ccb->cts; 1508 struct ata_cam_device *d; 1509 1510 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1511 d = &ch->curr[ccb->ccb_h.target_id]; 1512 else 1513 d = &ch->user[ccb->ccb_h.target_id]; 1514 cts->protocol = PROTO_ATA; 1515 cts->protocol_version = PROTO_VERSION_UNSPECIFIED; 1516 if (ch->flags & ATA_SATA) { 1517 cts->transport = XPORT_SATA; 1518 cts->transport_version = XPORT_VERSION_UNSPECIFIED; 1519 cts->xport_specific.sata.mode = d->mode; 1520 cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE; 1521 cts->xport_specific.sata.bytecount = d->bytecount; 1522 cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT; 1523 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) { 1524 cts->xport_specific.sata.revision = 1525 ATA_GETREV(dev, ccb->ccb_h.target_id); 1526 } else 1527 cts->xport_specific.sata.revision = d->revision; 1528 cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION; 1529 } else { 1530 cts->transport = XPORT_ATA; 1531 cts->transport_version = XPORT_VERSION_UNSPECIFIED; 1532 cts->xport_specific.ata.mode = d->mode; 1533 cts->xport_specific.ata.valid |= CTS_ATA_VALID_MODE; 1534 cts->xport_specific.ata.bytecount = d->bytecount; 1535 cts->xport_specific.ata.valid |= CTS_ATA_VALID_BYTECOUNT; 1536 } 1537 ccb->ccb_h.status = CAM_REQ_CMP; 1538 xpt_done(ccb); 1539 break; 1540 } 1541#if 0 1542 case XPT_CALC_GEOMETRY: 1543 { 1544 struct ccb_calc_geometry *ccg; 1545 uint32_t size_mb; 1546 uint32_t secs_per_cylinder; 1547 1548 ccg = &ccb->ccg; 1549 size_mb = ccg->volume_size 1550 / ((1024L * 1024L) / ccg->block_size); 1551 if (size_mb >= 1024 && (aha->extended_trans != 0)) { 1552 if (size_mb >= 2048) { 1553 ccg->heads = 255; 1554 ccg->secs_per_track = 63; 1555 } else { 1556 ccg->heads = 128; 1557 ccg->secs_per_track = 32; 1558 } 1559 } else { 1560 ccg->heads = 64; 1561 ccg->secs_per_track = 32; 1562 } 1563 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 1564 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 1565 ccb->ccb_h.status = CAM_REQ_CMP; 1566 xpt_done(ccb); 1567 break; 1568 } 1569#endif 1570 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1571 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1572 ata_reinit(dev); 1573 ccb->ccb_h.status = CAM_REQ_CMP; 1574 xpt_done(ccb); 1575 break; 1576 case XPT_TERM_IO: /* Terminate the I/O process */ 1577 /* XXX Implement */ 1578 ccb->ccb_h.status = CAM_REQ_INVALID; 1579 xpt_done(ccb); 1580 break; 1581 case XPT_PATH_INQ: /* Path routing inquiry */ 1582 { 1583 struct ccb_pathinq *cpi = &ccb->cpi; 1584 1585 cpi->version_num = 1; /* XXX??? */ 1586 cpi->hba_inquiry = PI_SDTR_ABLE; 1587 cpi->target_sprt = 0; 1588 cpi->hba_misc = PIM_SEQSCAN; 1589 cpi->hba_eng_cnt = 0; 1590 if (ch->flags & ATA_NO_SLAVE) 1591 cpi->max_target = 0; 1592 else 1593 cpi->max_target = 1; 1594 cpi->max_lun = 0; 1595 cpi->initiator_id = 0; 1596 cpi->bus_id = cam_sim_bus(sim); 1597 if (ch->flags & ATA_SATA) 1598 cpi->base_transfer_speed = 150000; 1599 else 1600 cpi->base_transfer_speed = 3300; 1601 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1602 strncpy(cpi->hba_vid, "ATA", HBA_IDLEN); 1603 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1604 cpi->unit_number = cam_sim_unit(sim); 1605 if (ch->flags & ATA_SATA) 1606 cpi->transport = XPORT_SATA; 1607 else 1608 cpi->transport = XPORT_ATA; 1609 cpi->transport_version = XPORT_VERSION_UNSPECIFIED; 1610 cpi->protocol = PROTO_ATA; 1611 cpi->protocol_version = PROTO_VERSION_UNSPECIFIED; 1612 cpi->maxio = ch->dma.max_iosize ? ch->dma.max_iosize : DFLTPHYS; 1613 cpi->ccb_h.status = CAM_REQ_CMP; 1614 xpt_done(ccb); 1615 break; 1616 } 1617 default: 1618 ccb->ccb_h.status = CAM_REQ_INVALID; 1619 xpt_done(ccb); 1620 break; 1621 } 1622} 1623 1624static void 1625atapoll(struct cam_sim *sim) 1626{ 1627 struct ata_channel *ch = (struct ata_channel *)cam_sim_softc(sim); 1628 1629 ata_interrupt_locked(ch); 1630} 1631#endif 1632 1633/* 1634 * module handeling 1635 */ 1636static int 1637ata_module_event_handler(module_t mod, int what, void *arg) 1638{ 1639#ifndef ATA_CAM 1640 static struct cdev *atacdev; 1641#endif 1642 1643 switch (what) { 1644 case MOD_LOAD: 1645#ifndef ATA_CAM 1646 /* register controlling device */ 1647 atacdev = make_dev(&ata_cdevsw, 0, UID_ROOT, GID_OPERATOR, 0600, "ata"); 1648 1649 if (cold) { 1650 /* register boot attach to be run when interrupts are enabled */ 1651 if (!(ata_delayed_attach = (struct intr_config_hook *) 1652 malloc(sizeof(struct intr_config_hook), 1653 M_TEMP, M_NOWAIT | M_ZERO))) { 1654 printf("ata: malloc of delayed attach hook failed\n"); 1655 return EIO; 1656 } 1657 ata_delayed_attach->ich_func = (void*)ata_boot_attach; 1658 if (config_intrhook_establish(ata_delayed_attach) != 0) { 1659 printf("ata: config_intrhook_establish failed\n"); 1660 free(ata_delayed_attach, M_TEMP); 1661 } 1662 } 1663#endif 1664 return 0; 1665 1666 case MOD_UNLOAD: 1667#ifndef ATA_CAM 1668 /* deregister controlling device */ 1669 destroy_dev(atacdev); 1670#endif 1671 return 0; 1672 1673 default: 1674 return EOPNOTSUPP; 1675 } 1676} 1677 1678static moduledata_t ata_moduledata = { "ata", ata_module_event_handler, NULL }; 1679DECLARE_MODULE(ata, ata_moduledata, SI_SUB_CONFIGURE, SI_ORDER_SECOND); 1680MODULE_VERSION(ata, 1); 1681#ifdef ATA_CAM 1682MODULE_DEPEND(ata, cam, 1, 1, 1); 1683#endif 1684 1685static void 1686ata_init(void) 1687{ 1688 ata_request_zone = uma_zcreate("ata_request", sizeof(struct ata_request), 1689 NULL, NULL, NULL, NULL, 0, 0); 1690 ata_composite_zone = uma_zcreate("ata_composite", 1691 sizeof(struct ata_composite), 1692 NULL, NULL, NULL, NULL, 0, 0); 1693} 1694SYSINIT(ata_register, SI_SUB_DRIVERS, SI_ORDER_SECOND, ata_init, NULL); 1695 1696static void 1697ata_uninit(void) 1698{ 1699 uma_zdestroy(ata_composite_zone); 1700 uma_zdestroy(ata_request_zone); 1701} 1702SYSUNINIT(ata_unregister, SI_SUB_DRIVERS, SI_ORDER_SECOND, ata_uninit, NULL); 1703