ata-all.c revision 227309
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 227309 2011-11-07 15:43:11Z ed $"); 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 */ 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#ifdef ATA_CAM 87static void ata_periodic_poll(void *data); 88#endif 89 90/* global vars */ 91MALLOC_DEFINE(M_ATA, "ata_generic", "ATA driver generic layer"); 92int (*ata_raid_ioctl_func)(u_long cmd, caddr_t data) = NULL; 93struct intr_config_hook *ata_delayed_attach = NULL; 94devclass_t ata_devclass; 95uma_zone_t ata_request_zone; 96uma_zone_t ata_composite_zone; 97int ata_wc = 1; 98int ata_setmax = 0; 99int ata_dma_check_80pin = 1; 100 101/* local vars */ 102static int ata_dma = 1; 103static int atapi_dma = 1; 104 105/* sysctl vars */ 106static SYSCTL_NODE(_hw, OID_AUTO, ata, CTLFLAG_RD, 0, "ATA driver parameters"); 107TUNABLE_INT("hw.ata.ata_dma", &ata_dma); 108SYSCTL_INT(_hw_ata, OID_AUTO, ata_dma, CTLFLAG_RDTUN, &ata_dma, 0, 109 "ATA disk DMA mode control"); 110TUNABLE_INT("hw.ata.ata_dma_check_80pin", &ata_dma_check_80pin); 111SYSCTL_INT(_hw_ata, OID_AUTO, ata_dma_check_80pin, 112 CTLFLAG_RW, &ata_dma_check_80pin, 1, 113 "Check for 80pin cable before setting ATA DMA mode"); 114TUNABLE_INT("hw.ata.atapi_dma", &atapi_dma); 115SYSCTL_INT(_hw_ata, OID_AUTO, atapi_dma, CTLFLAG_RDTUN, &atapi_dma, 0, 116 "ATAPI device DMA mode control"); 117TUNABLE_INT("hw.ata.wc", &ata_wc); 118SYSCTL_INT(_hw_ata, OID_AUTO, wc, CTLFLAG_RDTUN, &ata_wc, 0, 119 "ATA disk write caching"); 120TUNABLE_INT("hw.ata.setmax", &ata_setmax); 121SYSCTL_INT(_hw_ata, OID_AUTO, setmax, CTLFLAG_RDTUN, &ata_setmax, 0, 122 "ATA disk set max native address"); 123#ifdef ATA_CAM 124FEATURE(ata_cam, "ATA devices are accessed through the cam(4) driver"); 125#endif 126 127/* 128 * newbus device interface related functions 129 */ 130int 131ata_probe(device_t dev) 132{ 133 return 0; 134} 135 136int 137ata_attach(device_t dev) 138{ 139 struct ata_channel *ch = device_get_softc(dev); 140 int error, rid; 141#ifdef ATA_CAM 142 struct cam_devq *devq; 143 const char *res; 144 char buf[64]; 145 int i, mode; 146#endif 147 148 /* check that we have a virgin channel to attach */ 149 if (ch->r_irq) 150 return EEXIST; 151 152 /* initialize the softc basics */ 153 ch->dev = dev; 154 ch->state = ATA_IDLE; 155 bzero(&ch->state_mtx, sizeof(struct mtx)); 156 mtx_init(&ch->state_mtx, "ATA state lock", NULL, MTX_DEF); 157 bzero(&ch->queue_mtx, sizeof(struct mtx)); 158 mtx_init(&ch->queue_mtx, "ATA queue lock", NULL, MTX_DEF); 159 TAILQ_INIT(&ch->ata_queue); 160 TASK_INIT(&ch->conntask, 0, ata_conn_event, dev); 161#ifdef ATA_CAM 162 for (i = 0; i < 16; i++) { 163 ch->user[i].mode = 0; 164 snprintf(buf, sizeof(buf), "dev%d.mode", i); 165 if (resource_string_value(device_get_name(dev), 166 device_get_unit(dev), buf, &res) == 0) 167 mode = ata_str2mode(res); 168 else if (resource_string_value(device_get_name(dev), 169 device_get_unit(dev), "mode", &res) == 0) 170 mode = ata_str2mode(res); 171 else 172 mode = -1; 173 if (mode >= 0) 174 ch->user[i].mode = mode; 175 if (ch->flags & ATA_SATA) 176 ch->user[i].bytecount = 8192; 177 else 178 ch->user[i].bytecount = MAXPHYS; 179 ch->user[i].caps = 0; 180 ch->curr[i] = ch->user[i]; 181 if (ch->pm_level > 0) 182 ch->user[i].caps |= CTS_SATA_CAPS_H_PMREQ; 183 if (ch->pm_level > 1) 184 ch->user[i].caps |= CTS_SATA_CAPS_D_PMREQ; 185 } 186 callout_init(&ch->poll_callout, 1); 187#endif 188 189 /* reset the controller HW, the channel and device(s) */ 190 while (ATA_LOCKING(dev, ATA_LF_LOCK) != ch->unit) 191 pause("ataatch", 1); 192#ifndef ATA_CAM 193 ATA_RESET(dev); 194#endif 195 ATA_LOCKING(dev, ATA_LF_UNLOCK); 196 197 /* allocate DMA resources if DMA HW present*/ 198 if (ch->dma.alloc) 199 ch->dma.alloc(dev); 200 201 /* setup interrupt delivery */ 202 rid = ATA_IRQ_RID; 203 ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 204 RF_SHAREABLE | RF_ACTIVE); 205 if (!ch->r_irq) { 206 device_printf(dev, "unable to allocate interrupt\n"); 207 return ENXIO; 208 } 209 if ((error = bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL, 210 ata_interrupt, ch, &ch->ih))) { 211 bus_release_resource(dev, SYS_RES_IRQ, rid, ch->r_irq); 212 device_printf(dev, "unable to setup interrupt\n"); 213 return error; 214 } 215 216#ifndef ATA_CAM 217 /* probe and attach devices on this channel unless we are in early boot */ 218 if (!ata_delayed_attach) 219 ata_identify(dev); 220 return (0); 221#else 222 if (ch->flags & ATA_PERIODIC_POLL) 223 callout_reset(&ch->poll_callout, hz, ata_periodic_poll, ch); 224 mtx_lock(&ch->state_mtx); 225 /* Create the device queue for our SIM. */ 226 devq = cam_simq_alloc(1); 227 if (devq == NULL) { 228 device_printf(dev, "Unable to allocate simq\n"); 229 error = ENOMEM; 230 goto err1; 231 } 232 /* Construct SIM entry */ 233 ch->sim = cam_sim_alloc(ataaction, atapoll, "ata", ch, 234 device_get_unit(dev), &ch->state_mtx, 1, 0, devq); 235 if (ch->sim == NULL) { 236 device_printf(dev, "unable to allocate sim\n"); 237 cam_simq_free(devq); 238 error = ENOMEM; 239 goto err1; 240 } 241 if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) { 242 device_printf(dev, "unable to register xpt bus\n"); 243 error = ENXIO; 244 goto err2; 245 } 246 if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim), 247 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 248 device_printf(dev, "unable to create path\n"); 249 error = ENXIO; 250 goto err3; 251 } 252 mtx_unlock(&ch->state_mtx); 253 return (0); 254 255err3: 256 xpt_bus_deregister(cam_sim_path(ch->sim)); 257err2: 258 cam_sim_free(ch->sim, /*free_devq*/TRUE); 259 ch->sim = NULL; 260err1: 261 bus_release_resource(dev, SYS_RES_IRQ, rid, ch->r_irq); 262 mtx_unlock(&ch->state_mtx); 263 if (ch->flags & ATA_PERIODIC_POLL) 264 callout_drain(&ch->poll_callout); 265 return (error); 266#endif 267} 268 269int 270ata_detach(device_t dev) 271{ 272 struct ata_channel *ch = device_get_softc(dev); 273#ifndef ATA_CAM 274 device_t *children; 275 int nchildren, i; 276#endif 277 278 /* check that we have a valid channel to detach */ 279 if (!ch->r_irq) 280 return ENXIO; 281 282 /* grap the channel lock so no new requests gets launched */ 283 mtx_lock(&ch->state_mtx); 284 ch->state |= ATA_STALL_QUEUE; 285 mtx_unlock(&ch->state_mtx); 286#ifdef ATA_CAM 287 if (ch->flags & ATA_PERIODIC_POLL) 288 callout_drain(&ch->poll_callout); 289#endif 290 291#ifndef ATA_CAM 292 /* detach & delete all children */ 293 if (!device_get_children(dev, &children, &nchildren)) { 294 for (i = 0; i < nchildren; i++) 295 if (children[i]) 296 device_delete_child(dev, children[i]); 297 free(children, M_TEMP); 298 } 299#endif 300 taskqueue_drain(taskqueue_thread, &ch->conntask); 301 302#ifdef ATA_CAM 303 mtx_lock(&ch->state_mtx); 304 xpt_async(AC_LOST_DEVICE, ch->path, NULL); 305 xpt_free_path(ch->path); 306 xpt_bus_deregister(cam_sim_path(ch->sim)); 307 cam_sim_free(ch->sim, /*free_devq*/TRUE); 308 ch->sim = NULL; 309 mtx_unlock(&ch->state_mtx); 310#endif 311 312 /* release resources */ 313 bus_teardown_intr(dev, ch->r_irq, ch->ih); 314 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 315 ch->r_irq = NULL; 316 317 /* free DMA resources if DMA HW present*/ 318 if (ch->dma.free) 319 ch->dma.free(dev); 320 321 mtx_destroy(&ch->state_mtx); 322 mtx_destroy(&ch->queue_mtx); 323 return 0; 324} 325 326static void 327ata_conn_event(void *context, int dummy) 328{ 329 device_t dev = (device_t)context; 330#ifdef ATA_CAM 331 struct ata_channel *ch = device_get_softc(dev); 332 union ccb *ccb; 333 334 mtx_lock(&ch->state_mtx); 335 if (ch->sim == NULL) { 336 mtx_unlock(&ch->state_mtx); 337 return; 338 } 339 ata_reinit(dev); 340 if ((ccb = xpt_alloc_ccb_nowait()) == NULL) 341 return; 342 if (xpt_create_path(&ccb->ccb_h.path, NULL, 343 cam_sim_path(ch->sim), 344 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 345 xpt_free_ccb(ccb); 346 return; 347 } 348 xpt_rescan(ccb); 349 mtx_unlock(&ch->state_mtx); 350#else 351 ata_reinit(dev); 352#endif 353} 354 355int 356ata_reinit(device_t dev) 357{ 358 struct ata_channel *ch = device_get_softc(dev); 359 struct ata_request *request; 360#ifndef ATA_CAM 361 device_t *children; 362 int nchildren, i; 363 364 /* check that we have a valid channel to reinit */ 365 if (!ch || !ch->r_irq) 366 return ENXIO; 367 368 if (bootverbose) 369 device_printf(dev, "reiniting channel ..\n"); 370 371 /* poll for locking the channel */ 372 while (ATA_LOCKING(dev, ATA_LF_LOCK) != ch->unit) 373 pause("atarini", 1); 374 375 /* catch eventual request in ch->running */ 376 mtx_lock(&ch->state_mtx); 377 if (ch->state & ATA_STALL_QUEUE) { 378 /* Recursive reinits and reinits during detach prohobited. */ 379 mtx_unlock(&ch->state_mtx); 380 return (ENXIO); 381 } 382 if ((request = ch->running)) 383 callout_stop(&request->callout); 384 ch->running = NULL; 385 386 /* unconditionally grap the channel lock */ 387 ch->state |= ATA_STALL_QUEUE; 388 mtx_unlock(&ch->state_mtx); 389 390 /* reset the controller HW, the channel and device(s) */ 391 ATA_RESET(dev); 392 393 /* reinit the children and delete any that fails */ 394 if (!device_get_children(dev, &children, &nchildren)) { 395 mtx_lock(&Giant); /* newbus suckage it needs Giant */ 396 for (i = 0; i < nchildren; i++) { 397 /* did any children go missing ? */ 398 if (children[i] && device_is_attached(children[i]) && 399 ATA_REINIT(children[i])) { 400 /* 401 * if we had a running request and its device matches 402 * this child we need to inform the request that the 403 * device is gone. 404 */ 405 if (request && request->dev == children[i]) { 406 request->result = ENXIO; 407 device_printf(request->dev, "FAILURE - device detached\n"); 408 409 /* if not timeout finish request here */ 410 if (!(request->flags & ATA_R_TIMEOUT)) 411 ata_finish(request); 412 request = NULL; 413 } 414 device_delete_child(dev, children[i]); 415 } 416 } 417 free(children, M_TEMP); 418 mtx_unlock(&Giant); /* newbus suckage dealt with, release Giant */ 419 } 420 421 /* if we still have a good request put it on the queue again */ 422 if (request && !(request->flags & ATA_R_TIMEOUT)) { 423 device_printf(request->dev, 424 "WARNING - %s requeued due to channel reset", 425 ata_cmd2str(request)); 426 if (!(request->flags & (ATA_R_ATAPI | ATA_R_CONTROL))) 427 printf(" LBA=%ju", request->u.ata.lba); 428 printf("\n"); 429 request->flags |= ATA_R_REQUEUE; 430 ata_queue_request(request); 431 } 432 433 /* we're done release the channel for new work */ 434 mtx_lock(&ch->state_mtx); 435 ch->state = ATA_IDLE; 436 mtx_unlock(&ch->state_mtx); 437 ATA_LOCKING(dev, ATA_LF_UNLOCK); 438 439 /* Add new children. */ 440/* ata_identify(dev); */ 441 442 if (bootverbose) 443 device_printf(dev, "reinit done ..\n"); 444 445 /* kick off requests on the queue */ 446 ata_start(dev); 447#else 448 xpt_freeze_simq(ch->sim, 1); 449 if ((request = ch->running)) { 450 ch->running = NULL; 451 if (ch->state == ATA_ACTIVE) 452 ch->state = ATA_IDLE; 453 callout_stop(&request->callout); 454 if (ch->dma.unload) 455 ch->dma.unload(request); 456 request->result = ERESTART; 457 ata_cam_end_transaction(dev, request); 458 } 459 /* reset the controller HW, the channel and device(s) */ 460 ATA_RESET(dev); 461 /* Tell the XPT about the event */ 462 xpt_async(AC_BUS_RESET, ch->path, NULL); 463 xpt_release_simq(ch->sim, TRUE); 464#endif 465 return(0); 466} 467 468int 469ata_suspend(device_t dev) 470{ 471 struct ata_channel *ch; 472 473 /* check for valid device */ 474 if (!dev || !(ch = device_get_softc(dev))) 475 return ENXIO; 476 477#ifdef ATA_CAM 478 if (ch->flags & ATA_PERIODIC_POLL) 479 callout_drain(&ch->poll_callout); 480 mtx_lock(&ch->state_mtx); 481 xpt_freeze_simq(ch->sim, 1); 482 while (ch->state != ATA_IDLE) 483 msleep(ch, &ch->state_mtx, PRIBIO, "atasusp", hz/100); 484 mtx_unlock(&ch->state_mtx); 485#else 486 /* wait for the channel to be IDLE or detached before suspending */ 487 while (ch->r_irq) { 488 mtx_lock(&ch->state_mtx); 489 if (ch->state == ATA_IDLE) { 490 ch->state = ATA_ACTIVE; 491 mtx_unlock(&ch->state_mtx); 492 break; 493 } 494 mtx_unlock(&ch->state_mtx); 495 tsleep(ch, PRIBIO, "atasusp", hz/10); 496 } 497 ATA_LOCKING(dev, ATA_LF_UNLOCK); 498#endif 499 return(0); 500} 501 502int 503ata_resume(device_t dev) 504{ 505 struct ata_channel *ch; 506 int error; 507 508 /* check for valid device */ 509 if (!dev || !(ch = device_get_softc(dev))) 510 return ENXIO; 511 512#ifdef ATA_CAM 513 mtx_lock(&ch->state_mtx); 514 error = ata_reinit(dev); 515 xpt_release_simq(ch->sim, TRUE); 516 mtx_unlock(&ch->state_mtx); 517 if (ch->flags & ATA_PERIODIC_POLL) 518 callout_reset(&ch->poll_callout, hz, ata_periodic_poll, ch); 519#else 520 /* reinit the devices, we dont know what mode/state they are in */ 521 error = ata_reinit(dev); 522 /* kick off requests on the queue */ 523 ata_start(dev); 524#endif 525 return error; 526} 527 528void 529ata_interrupt(void *data) 530{ 531#ifdef ATA_CAM 532 struct ata_channel *ch = (struct ata_channel *)data; 533 534 mtx_lock(&ch->state_mtx); 535#endif 536 ata_interrupt_locked(data); 537#ifdef ATA_CAM 538 mtx_unlock(&ch->state_mtx); 539#endif 540} 541 542static void 543ata_interrupt_locked(void *data) 544{ 545 struct ata_channel *ch = (struct ata_channel *)data; 546 struct ata_request *request; 547 548#ifndef ATA_CAM 549 mtx_lock(&ch->state_mtx); 550#endif 551 do { 552 /* ignore interrupt if its not for us */ 553 if (ch->hw.status && !ch->hw.status(ch->dev)) 554 break; 555 556 /* do we have a running request */ 557 if (!(request = ch->running)) 558 break; 559 560 ATA_DEBUG_RQ(request, "interrupt"); 561 562 /* safetycheck for the right state */ 563 if (ch->state == ATA_IDLE) { 564 device_printf(request->dev, "interrupt on idle channel ignored\n"); 565 break; 566 } 567 568 /* 569 * we have the HW locks, so end the transaction for this request 570 * if it finishes immediately otherwise wait for next interrupt 571 */ 572 if (ch->hw.end_transaction(request) == ATA_OP_FINISHED) { 573 ch->running = NULL; 574 if (ch->state == ATA_ACTIVE) 575 ch->state = ATA_IDLE; 576#ifdef ATA_CAM 577 ata_cam_end_transaction(ch->dev, request); 578#else 579 mtx_unlock(&ch->state_mtx); 580 ATA_LOCKING(ch->dev, ATA_LF_UNLOCK); 581 ata_finish(request); 582#endif 583 return; 584 } 585 } while (0); 586#ifndef ATA_CAM 587 mtx_unlock(&ch->state_mtx); 588#endif 589} 590 591#ifdef ATA_CAM 592static void 593ata_periodic_poll(void *data) 594{ 595 struct ata_channel *ch = (struct ata_channel *)data; 596 597 callout_reset(&ch->poll_callout, hz, ata_periodic_poll, ch); 598 ata_interrupt(ch); 599} 600#endif 601 602void 603ata_print_cable(device_t dev, u_int8_t *who) 604{ 605 device_printf(dev, 606 "DMA limited to UDMA33, %s found non-ATA66 cable\n", who); 607} 608 609int 610ata_check_80pin(device_t dev, int mode) 611{ 612 struct ata_device *atadev = device_get_softc(dev); 613 614 if (!ata_dma_check_80pin) { 615 if (bootverbose) 616 device_printf(dev, "Skipping 80pin cable check\n"); 617 return mode; 618 } 619 620 if (mode > ATA_UDMA2 && !(atadev->param.hwres & ATA_CABLE_ID)) { 621 ata_print_cable(dev, "device"); 622 mode = ATA_UDMA2; 623 } 624 return mode; 625} 626 627void 628ata_setmode(device_t dev) 629{ 630 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 631 struct ata_device *atadev = device_get_softc(dev); 632 int error, mode, pmode; 633 634 mode = atadev->mode; 635 do { 636 pmode = mode = ata_limit_mode(dev, mode, ATA_DMA_MAX); 637 mode = ATA_SETMODE(device_get_parent(dev), atadev->unit, mode); 638 if ((ch->flags & (ATA_CHECKS_CABLE | ATA_SATA)) == 0) 639 mode = ata_check_80pin(dev, mode); 640 } while (pmode != mode); /* Interate till successfull negotiation. */ 641 error = ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode); 642 if (bootverbose) 643 device_printf(dev, "%ssetting %s\n", 644 (error) ? "FAILURE " : "", ata_mode2str(mode)); 645 atadev->mode = mode; 646} 647 648/* 649 * device related interfaces 650 */ 651#ifndef ATA_CAM 652static int 653ata_ioctl(struct cdev *dev, u_long cmd, caddr_t data, 654 int32_t flag, struct thread *td) 655{ 656 device_t device, *children; 657 struct ata_ioc_devices *devices = (struct ata_ioc_devices *)data; 658 int *value = (int *)data; 659 int i, nchildren, error = ENOTTY; 660 661 switch (cmd) { 662 case IOCATAGMAXCHANNEL: 663 /* In case we have channel 0..n this will return n+1. */ 664 *value = devclass_get_maxunit(ata_devclass); 665 error = 0; 666 break; 667 668 case IOCATAREINIT: 669 if (*value >= devclass_get_maxunit(ata_devclass) || 670 !(device = devclass_get_device(ata_devclass, *value)) || 671 !device_is_attached(device)) 672 return ENXIO; 673 error = ata_reinit(device); 674 break; 675 676 case IOCATAATTACH: 677 if (*value >= devclass_get_maxunit(ata_devclass) || 678 !(device = devclass_get_device(ata_devclass, *value)) || 679 !device_is_attached(device)) 680 return ENXIO; 681 error = DEVICE_ATTACH(device); 682 break; 683 684 case IOCATADETACH: 685 if (*value >= devclass_get_maxunit(ata_devclass) || 686 !(device = devclass_get_device(ata_devclass, *value)) || 687 !device_is_attached(device)) 688 return ENXIO; 689 error = DEVICE_DETACH(device); 690 break; 691 692 case IOCATADEVICES: 693 if (devices->channel >= devclass_get_maxunit(ata_devclass) || 694 !(device = devclass_get_device(ata_devclass, devices->channel)) || 695 !device_is_attached(device)) 696 return ENXIO; 697 bzero(devices->name[0], 32); 698 bzero(&devices->params[0], sizeof(struct ata_params)); 699 bzero(devices->name[1], 32); 700 bzero(&devices->params[1], sizeof(struct ata_params)); 701 if (!device_get_children(device, &children, &nchildren)) { 702 for (i = 0; i < nchildren; i++) { 703 if (children[i] && device_is_attached(children[i])) { 704 struct ata_device *atadev = device_get_softc(children[i]); 705 706 if (atadev->unit == ATA_MASTER) { /* XXX SOS PM */ 707 strncpy(devices->name[0], 708 device_get_nameunit(children[i]), 32); 709 bcopy(&atadev->param, &devices->params[0], 710 sizeof(struct ata_params)); 711 } 712 if (atadev->unit == ATA_SLAVE) { /* XXX SOS PM */ 713 strncpy(devices->name[1], 714 device_get_nameunit(children[i]), 32); 715 bcopy(&atadev->param, &devices->params[1], 716 sizeof(struct ata_params)); 717 } 718 } 719 } 720 free(children, M_TEMP); 721 error = 0; 722 } 723 else 724 error = ENODEV; 725 break; 726 727 default: 728 if (ata_raid_ioctl_func) 729 error = ata_raid_ioctl_func(cmd, data); 730 } 731 return error; 732} 733#endif 734 735int 736ata_device_ioctl(device_t dev, u_long cmd, caddr_t data) 737{ 738 struct ata_device *atadev = device_get_softc(dev); 739 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 740 struct ata_ioc_request *ioc_request = (struct ata_ioc_request *)data; 741 struct ata_params *params = (struct ata_params *)data; 742 int *mode = (int *)data; 743 struct ata_request *request; 744 caddr_t buf; 745 int error; 746 747 switch (cmd) { 748 case IOCATAREQUEST: 749 if (ioc_request->count > 750 (ch->dma.max_iosize ? ch->dma.max_iosize : DFLTPHYS)) { 751 return (EFBIG); 752 } 753 if (!(buf = malloc(ioc_request->count, M_ATA, M_NOWAIT))) { 754 return ENOMEM; 755 } 756 if (!(request = ata_alloc_request())) { 757 free(buf, M_ATA); 758 return ENOMEM; 759 } 760 request->dev = atadev->dev; 761 if (ioc_request->flags & ATA_CMD_WRITE) { 762 error = copyin(ioc_request->data, buf, ioc_request->count); 763 if (error) { 764 free(buf, M_ATA); 765 ata_free_request(request); 766 return error; 767 } 768 } 769 if (ioc_request->flags & ATA_CMD_ATAPI) { 770 request->flags = ATA_R_ATAPI; 771 bcopy(ioc_request->u.atapi.ccb, request->u.atapi.ccb, 16); 772 } 773 else { 774 request->u.ata.command = ioc_request->u.ata.command; 775 request->u.ata.feature = ioc_request->u.ata.feature; 776 request->u.ata.lba = ioc_request->u.ata.lba; 777 request->u.ata.count = ioc_request->u.ata.count; 778 } 779 request->timeout = ioc_request->timeout; 780 request->data = buf; 781 request->bytecount = ioc_request->count; 782 request->transfersize = request->bytecount; 783 if (ioc_request->flags & ATA_CMD_CONTROL) 784 request->flags |= ATA_R_CONTROL; 785 if (ioc_request->flags & ATA_CMD_READ) 786 request->flags |= ATA_R_READ; 787 if (ioc_request->flags & ATA_CMD_WRITE) 788 request->flags |= ATA_R_WRITE; 789 ata_queue_request(request); 790 if (request->flags & ATA_R_ATAPI) { 791 bcopy(&request->u.atapi.sense, &ioc_request->u.atapi.sense, 792 sizeof(struct atapi_sense)); 793 } 794 else { 795 ioc_request->u.ata.command = request->u.ata.command; 796 ioc_request->u.ata.feature = request->u.ata.feature; 797 ioc_request->u.ata.lba = request->u.ata.lba; 798 ioc_request->u.ata.count = request->u.ata.count; 799 } 800 ioc_request->error = request->result; 801 if (ioc_request->flags & ATA_CMD_READ) 802 error = copyout(buf, ioc_request->data, ioc_request->count); 803 else 804 error = 0; 805 free(buf, M_ATA); 806 ata_free_request(request); 807 return error; 808 809 case IOCATAGPARM: 810 ata_getparam(atadev, 0); 811 bcopy(&atadev->param, params, sizeof(struct ata_params)); 812 return 0; 813 814 case IOCATASMODE: 815 atadev->mode = *mode; 816 ata_setmode(dev); 817 return 0; 818 819 case IOCATAGMODE: 820 *mode = atadev->mode | 821 (ATA_GETREV(device_get_parent(dev), atadev->unit) << 8); 822 return 0; 823 case IOCATASSPINDOWN: 824 atadev->spindown = *mode; 825 return 0; 826 case IOCATAGSPINDOWN: 827 *mode = atadev->spindown; 828 return 0; 829 default: 830 return ENOTTY; 831 } 832} 833 834#ifndef ATA_CAM 835static void 836ata_boot_attach(void) 837{ 838 struct ata_channel *ch; 839 int ctlr; 840 841 mtx_lock(&Giant); /* newbus suckage it needs Giant */ 842 843 /* kick off probe and attach on all channels */ 844 for (ctlr = 0; ctlr < devclass_get_maxunit(ata_devclass); ctlr++) { 845 if ((ch = devclass_get_softc(ata_devclass, ctlr))) { 846 ata_identify(ch->dev); 847 } 848 } 849 850 /* release the hook that got us here, we are only needed once during boot */ 851 if (ata_delayed_attach) { 852 config_intrhook_disestablish(ata_delayed_attach); 853 free(ata_delayed_attach, M_TEMP); 854 ata_delayed_attach = NULL; 855 } 856 857 mtx_unlock(&Giant); /* newbus suckage dealt with, release Giant */ 858} 859#endif 860 861/* 862 * misc support functions 863 */ 864#ifndef ATA_CAM 865static device_t 866ata_add_child(device_t parent, struct ata_device *atadev, int unit) 867{ 868 device_t child; 869 870 if ((child = device_add_child(parent, NULL, unit))) { 871 device_set_softc(child, atadev); 872 device_quiet(child); 873 atadev->dev = child; 874 atadev->max_iosize = DEV_BSIZE; 875 atadev->mode = ATA_PIO_MAX; 876 } 877 return child; 878} 879#endif 880 881int 882ata_getparam(struct ata_device *atadev, int init) 883{ 884 struct ata_channel *ch = device_get_softc(device_get_parent(atadev->dev)); 885 struct ata_request *request; 886 const char *res; 887 char buf[64]; 888 u_int8_t command = 0; 889 int error = ENOMEM, retries = 2, mode = -1; 890 891 if (ch->devices & (ATA_ATA_MASTER << atadev->unit)) 892 command = ATA_ATA_IDENTIFY; 893 if (ch->devices & (ATA_ATAPI_MASTER << atadev->unit)) 894 command = ATA_ATAPI_IDENTIFY; 895 if (!command) 896 return ENXIO; 897 898 while (retries-- > 0 && error) { 899 if (!(request = ata_alloc_request())) 900 break; 901 request->dev = atadev->dev; 902 request->timeout = 1; 903 request->retries = 0; 904 request->u.ata.command = command; 905 request->flags = (ATA_R_READ|ATA_R_AT_HEAD|ATA_R_DIRECT); 906 if (!bootverbose) 907 request->flags |= ATA_R_QUIET; 908 request->data = (void *)&atadev->param; 909 request->bytecount = sizeof(struct ata_params); 910 request->donecount = 0; 911 request->transfersize = DEV_BSIZE; 912 ata_queue_request(request); 913 error = request->result; 914 ata_free_request(request); 915 } 916 917 if (!error && (isprint(atadev->param.model[0]) || 918 isprint(atadev->param.model[1]))) { 919 struct ata_params *atacap = &atadev->param; 920 int16_t *ptr; 921 922 for (ptr = (int16_t *)atacap; 923 ptr < (int16_t *)atacap + sizeof(struct ata_params)/2; ptr++) { 924 *ptr = le16toh(*ptr); 925 } 926 if (!(!strncmp(atacap->model, "FX", 2) || 927 !strncmp(atacap->model, "NEC", 3) || 928 !strncmp(atacap->model, "Pioneer", 7) || 929 !strncmp(atacap->model, "SHARP", 5))) { 930 bswap(atacap->model, sizeof(atacap->model)); 931 bswap(atacap->revision, sizeof(atacap->revision)); 932 bswap(atacap->serial, sizeof(atacap->serial)); 933 } 934 btrim(atacap->model, sizeof(atacap->model)); 935 bpack(atacap->model, atacap->model, sizeof(atacap->model)); 936 btrim(atacap->revision, sizeof(atacap->revision)); 937 bpack(atacap->revision, atacap->revision, sizeof(atacap->revision)); 938 btrim(atacap->serial, sizeof(atacap->serial)); 939 bpack(atacap->serial, atacap->serial, sizeof(atacap->serial)); 940 941 if (bootverbose) 942 printf("ata%d-%s: pio=%s wdma=%s udma=%s cable=%s wire\n", 943 device_get_unit(ch->dev), 944 ata_unit2str(atadev), 945 ata_mode2str(ata_pmode(atacap)), 946 ata_mode2str(ata_wmode(atacap)), 947 ata_mode2str(ata_umode(atacap)), 948 (atacap->hwres & ATA_CABLE_ID) ? "80":"40"); 949 950 if (init) { 951 char buffer[64]; 952 953 sprintf(buffer, "%.40s/%.8s", atacap->model, atacap->revision); 954 device_set_desc_copy(atadev->dev, buffer); 955 if ((atadev->param.config & ATA_PROTO_ATAPI) && 956 (atadev->param.config != ATA_CFA_MAGIC1) && 957 (atadev->param.config != ATA_CFA_MAGIC2)) { 958 if (atapi_dma && 959 (atadev->param.config & ATA_DRQ_MASK) != ATA_DRQ_INTR && 960 ata_umode(&atadev->param) >= ATA_UDMA2) 961 atadev->mode = ATA_DMA_MAX; 962 } 963 else { 964 if (ata_dma && 965 (ata_umode(&atadev->param) > 0 || 966 ata_wmode(&atadev->param) > 0)) 967 atadev->mode = ATA_DMA_MAX; 968 } 969 snprintf(buf, sizeof(buf), "dev%d.mode", atadev->unit); 970 if (resource_string_value(device_get_name(ch->dev), 971 device_get_unit(ch->dev), buf, &res) == 0) 972 mode = ata_str2mode(res); 973 else if (resource_string_value(device_get_name(ch->dev), 974 device_get_unit(ch->dev), "mode", &res) == 0) 975 mode = ata_str2mode(res); 976 if (mode >= 0) 977 atadev->mode = mode; 978 } 979 } 980 else { 981 if (!error) 982 error = ENXIO; 983 } 984 return error; 985} 986 987#ifndef ATA_CAM 988int 989ata_identify(device_t dev) 990{ 991 struct ata_channel *ch = device_get_softc(dev); 992 struct ata_device *atadev; 993 device_t *children; 994 device_t child, master = NULL; 995 int nchildren, i, n = ch->devices; 996 997 if (bootverbose) 998 device_printf(dev, "Identifying devices: %08x\n", ch->devices); 999 1000 mtx_lock(&Giant); 1001 /* Skip existing devices. */ 1002 if (!device_get_children(dev, &children, &nchildren)) { 1003 for (i = 0; i < nchildren; i++) { 1004 if (children[i] && (atadev = device_get_softc(children[i]))) 1005 n &= ~((ATA_ATA_MASTER | ATA_ATAPI_MASTER) << atadev->unit); 1006 } 1007 free(children, M_TEMP); 1008 } 1009 /* Create new devices. */ 1010 if (bootverbose) 1011 device_printf(dev, "New devices: %08x\n", n); 1012 if (n == 0) { 1013 mtx_unlock(&Giant); 1014 return (0); 1015 } 1016 for (i = 0; i < ATA_PM; ++i) { 1017 if (n & (((ATA_ATA_MASTER | ATA_ATAPI_MASTER) << i))) { 1018 int unit = -1; 1019 1020 if (!(atadev = malloc(sizeof(struct ata_device), 1021 M_ATA, M_NOWAIT | M_ZERO))) { 1022 device_printf(dev, "out of memory\n"); 1023 return ENOMEM; 1024 } 1025 atadev->unit = i; 1026#ifdef ATA_STATIC_ID 1027 if (n & (ATA_ATA_MASTER << i)) 1028 unit = (device_get_unit(dev) << 1) + i; 1029#endif 1030 if ((child = ata_add_child(dev, atadev, unit))) { 1031 /* 1032 * PATA slave should be identified first, to allow 1033 * device cable detection on master to work properly. 1034 */ 1035 if (i == 0 && (n & ATA_PORTMULTIPLIER) == 0 && 1036 (n & ((ATA_ATA_MASTER | ATA_ATAPI_MASTER) << 1)) != 0) { 1037 master = child; 1038 continue; 1039 } 1040 if (ata_getparam(atadev, 1)) { 1041 device_delete_child(dev, child); 1042 free(atadev, M_ATA); 1043 } 1044 } 1045 else 1046 free(atadev, M_ATA); 1047 } 1048 } 1049 if (master) { 1050 atadev = device_get_softc(master); 1051 if (ata_getparam(atadev, 1)) { 1052 device_delete_child(dev, master); 1053 free(atadev, M_ATA); 1054 } 1055 } 1056 bus_generic_probe(dev); 1057 bus_generic_attach(dev); 1058 mtx_unlock(&Giant); 1059 return 0; 1060} 1061#endif 1062 1063void 1064ata_default_registers(device_t dev) 1065{ 1066 struct ata_channel *ch = device_get_softc(dev); 1067 1068 /* fill in the defaults from whats setup already */ 1069 ch->r_io[ATA_ERROR].res = ch->r_io[ATA_FEATURE].res; 1070 ch->r_io[ATA_ERROR].offset = ch->r_io[ATA_FEATURE].offset; 1071 ch->r_io[ATA_IREASON].res = ch->r_io[ATA_COUNT].res; 1072 ch->r_io[ATA_IREASON].offset = ch->r_io[ATA_COUNT].offset; 1073 ch->r_io[ATA_STATUS].res = ch->r_io[ATA_COMMAND].res; 1074 ch->r_io[ATA_STATUS].offset = ch->r_io[ATA_COMMAND].offset; 1075 ch->r_io[ATA_ALTSTAT].res = ch->r_io[ATA_CONTROL].res; 1076 ch->r_io[ATA_ALTSTAT].offset = ch->r_io[ATA_CONTROL].offset; 1077} 1078 1079void 1080ata_modify_if_48bit(struct ata_request *request) 1081{ 1082 struct ata_channel *ch = device_get_softc(request->parent); 1083 struct ata_device *atadev = device_get_softc(request->dev); 1084 1085 request->flags &= ~ATA_R_48BIT; 1086 1087 if (((request->u.ata.lba + request->u.ata.count) >= ATA_MAX_28BIT_LBA || 1088 request->u.ata.count > 256) && 1089 atadev->param.support.command2 & ATA_SUPPORT_ADDRESS48) { 1090 1091 /* translate command into 48bit version */ 1092 switch (request->u.ata.command) { 1093 case ATA_READ: 1094 request->u.ata.command = ATA_READ48; 1095 break; 1096 case ATA_READ_MUL: 1097 request->u.ata.command = ATA_READ_MUL48; 1098 break; 1099 case ATA_READ_DMA: 1100 if (ch->flags & ATA_NO_48BIT_DMA) { 1101 if (request->transfersize > DEV_BSIZE) 1102 request->u.ata.command = ATA_READ_MUL48; 1103 else 1104 request->u.ata.command = ATA_READ48; 1105 request->flags &= ~ATA_R_DMA; 1106 } 1107 else 1108 request->u.ata.command = ATA_READ_DMA48; 1109 break; 1110 case ATA_READ_DMA_QUEUED: 1111 if (ch->flags & ATA_NO_48BIT_DMA) { 1112 if (request->transfersize > DEV_BSIZE) 1113 request->u.ata.command = ATA_READ_MUL48; 1114 else 1115 request->u.ata.command = ATA_READ48; 1116 request->flags &= ~ATA_R_DMA; 1117 } 1118 else 1119 request->u.ata.command = ATA_READ_DMA_QUEUED48; 1120 break; 1121 case ATA_WRITE: 1122 request->u.ata.command = ATA_WRITE48; 1123 break; 1124 case ATA_WRITE_MUL: 1125 request->u.ata.command = ATA_WRITE_MUL48; 1126 break; 1127 case ATA_WRITE_DMA: 1128 if (ch->flags & ATA_NO_48BIT_DMA) { 1129 if (request->transfersize > DEV_BSIZE) 1130 request->u.ata.command = ATA_WRITE_MUL48; 1131 else 1132 request->u.ata.command = ATA_WRITE48; 1133 request->flags &= ~ATA_R_DMA; 1134 } 1135 else 1136 request->u.ata.command = ATA_WRITE_DMA48; 1137 break; 1138 case ATA_WRITE_DMA_QUEUED: 1139 if (ch->flags & ATA_NO_48BIT_DMA) { 1140 if (request->transfersize > DEV_BSIZE) 1141 request->u.ata.command = ATA_WRITE_MUL48; 1142 else 1143 request->u.ata.command = ATA_WRITE48; 1144 request->u.ata.command = ATA_WRITE48; 1145 request->flags &= ~ATA_R_DMA; 1146 } 1147 else 1148 request->u.ata.command = ATA_WRITE_DMA_QUEUED48; 1149 break; 1150 case ATA_FLUSHCACHE: 1151 request->u.ata.command = ATA_FLUSHCACHE48; 1152 break; 1153 case ATA_SET_MAX_ADDRESS: 1154 request->u.ata.command = ATA_SET_MAX_ADDRESS48; 1155 break; 1156 default: 1157 return; 1158 } 1159 request->flags |= ATA_R_48BIT; 1160 } 1161 else if (atadev->param.support.command2 & ATA_SUPPORT_ADDRESS48) { 1162 1163 /* translate command into 48bit version */ 1164 switch (request->u.ata.command) { 1165 case ATA_FLUSHCACHE: 1166 request->u.ata.command = ATA_FLUSHCACHE48; 1167 break; 1168 case ATA_READ_NATIVE_MAX_ADDRESS: 1169 request->u.ata.command = ATA_READ_NATIVE_MAX_ADDRESS48; 1170 break; 1171 case ATA_SET_MAX_ADDRESS: 1172 request->u.ata.command = ATA_SET_MAX_ADDRESS48; 1173 break; 1174 default: 1175 return; 1176 } 1177 request->flags |= ATA_R_48BIT; 1178 } 1179} 1180 1181void 1182ata_udelay(int interval) 1183{ 1184 /* for now just use DELAY, the timer/sleep subsytems are not there yet */ 1185 if (1 || interval < (1000000/hz) || ata_delayed_attach) 1186 DELAY(interval); 1187 else 1188 pause("ataslp", interval/(1000000/hz)); 1189} 1190 1191char * 1192ata_unit2str(struct ata_device *atadev) 1193{ 1194 struct ata_channel *ch = device_get_softc(device_get_parent(atadev->dev)); 1195 static char str[8]; 1196 1197 if (ch->devices & ATA_PORTMULTIPLIER) 1198 sprintf(str, "port%d", atadev->unit); 1199 else 1200 sprintf(str, "%s", atadev->unit == ATA_MASTER ? "master" : "slave"); 1201 return str; 1202} 1203 1204const char * 1205ata_mode2str(int mode) 1206{ 1207 switch (mode) { 1208 case -1: return "UNSUPPORTED"; 1209 case ATA_PIO0: return "PIO0"; 1210 case ATA_PIO1: return "PIO1"; 1211 case ATA_PIO2: return "PIO2"; 1212 case ATA_PIO3: return "PIO3"; 1213 case ATA_PIO4: return "PIO4"; 1214 case ATA_WDMA0: return "WDMA0"; 1215 case ATA_WDMA1: return "WDMA1"; 1216 case ATA_WDMA2: return "WDMA2"; 1217 case ATA_UDMA0: return "UDMA16"; 1218 case ATA_UDMA1: return "UDMA25"; 1219 case ATA_UDMA2: return "UDMA33"; 1220 case ATA_UDMA3: return "UDMA40"; 1221 case ATA_UDMA4: return "UDMA66"; 1222 case ATA_UDMA5: return "UDMA100"; 1223 case ATA_UDMA6: return "UDMA133"; 1224 case ATA_SA150: return "SATA150"; 1225 case ATA_SA300: return "SATA300"; 1226 default: 1227 if (mode & ATA_DMA_MASK) 1228 return "BIOSDMA"; 1229 else 1230 return "BIOSPIO"; 1231 } 1232} 1233 1234int 1235ata_str2mode(const char *str) 1236{ 1237 1238 if (!strcasecmp(str, "PIO0")) return (ATA_PIO0); 1239 if (!strcasecmp(str, "PIO1")) return (ATA_PIO1); 1240 if (!strcasecmp(str, "PIO2")) return (ATA_PIO2); 1241 if (!strcasecmp(str, "PIO3")) return (ATA_PIO3); 1242 if (!strcasecmp(str, "PIO4")) return (ATA_PIO4); 1243 if (!strcasecmp(str, "WDMA0")) return (ATA_WDMA0); 1244 if (!strcasecmp(str, "WDMA1")) return (ATA_WDMA1); 1245 if (!strcasecmp(str, "WDMA2")) return (ATA_WDMA2); 1246 if (!strcasecmp(str, "UDMA0")) return (ATA_UDMA0); 1247 if (!strcasecmp(str, "UDMA16")) return (ATA_UDMA0); 1248 if (!strcasecmp(str, "UDMA1")) return (ATA_UDMA1); 1249 if (!strcasecmp(str, "UDMA25")) return (ATA_UDMA1); 1250 if (!strcasecmp(str, "UDMA2")) return (ATA_UDMA2); 1251 if (!strcasecmp(str, "UDMA33")) return (ATA_UDMA2); 1252 if (!strcasecmp(str, "UDMA3")) return (ATA_UDMA3); 1253 if (!strcasecmp(str, "UDMA44")) return (ATA_UDMA3); 1254 if (!strcasecmp(str, "UDMA4")) return (ATA_UDMA4); 1255 if (!strcasecmp(str, "UDMA66")) return (ATA_UDMA4); 1256 if (!strcasecmp(str, "UDMA5")) return (ATA_UDMA5); 1257 if (!strcasecmp(str, "UDMA100")) return (ATA_UDMA5); 1258 if (!strcasecmp(str, "UDMA6")) return (ATA_UDMA6); 1259 if (!strcasecmp(str, "UDMA133")) return (ATA_UDMA6); 1260 return (-1); 1261} 1262 1263const char * 1264ata_satarev2str(int rev) 1265{ 1266 switch (rev) { 1267 case 0: return ""; 1268 case 1: return "SATA 1.5Gb/s"; 1269 case 2: return "SATA 3Gb/s"; 1270 case 3: return "SATA 6Gb/s"; 1271 case 0xff: return "SATA"; 1272 default: return "???"; 1273 } 1274} 1275 1276int 1277ata_atapi(device_t dev, int target) 1278{ 1279 struct ata_channel *ch = device_get_softc(dev); 1280 1281 return (ch->devices & (ATA_ATAPI_MASTER << target)); 1282} 1283 1284int 1285ata_pmode(struct ata_params *ap) 1286{ 1287 if (ap->atavalid & ATA_FLAG_64_70) { 1288 if (ap->apiomodes & 0x02) 1289 return ATA_PIO4; 1290 if (ap->apiomodes & 0x01) 1291 return ATA_PIO3; 1292 } 1293 if (ap->mwdmamodes & 0x04) 1294 return ATA_PIO4; 1295 if (ap->mwdmamodes & 0x02) 1296 return ATA_PIO3; 1297 if (ap->mwdmamodes & 0x01) 1298 return ATA_PIO2; 1299 if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x200) 1300 return ATA_PIO2; 1301 if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x100) 1302 return ATA_PIO1; 1303 if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x000) 1304 return ATA_PIO0; 1305 return ATA_PIO0; 1306} 1307 1308int 1309ata_wmode(struct ata_params *ap) 1310{ 1311 if (ap->mwdmamodes & 0x04) 1312 return ATA_WDMA2; 1313 if (ap->mwdmamodes & 0x02) 1314 return ATA_WDMA1; 1315 if (ap->mwdmamodes & 0x01) 1316 return ATA_WDMA0; 1317 return -1; 1318} 1319 1320int 1321ata_umode(struct ata_params *ap) 1322{ 1323 if (ap->atavalid & ATA_FLAG_88) { 1324 if (ap->udmamodes & 0x40) 1325 return ATA_UDMA6; 1326 if (ap->udmamodes & 0x20) 1327 return ATA_UDMA5; 1328 if (ap->udmamodes & 0x10) 1329 return ATA_UDMA4; 1330 if (ap->udmamodes & 0x08) 1331 return ATA_UDMA3; 1332 if (ap->udmamodes & 0x04) 1333 return ATA_UDMA2; 1334 if (ap->udmamodes & 0x02) 1335 return ATA_UDMA1; 1336 if (ap->udmamodes & 0x01) 1337 return ATA_UDMA0; 1338 } 1339 return -1; 1340} 1341 1342int 1343ata_limit_mode(device_t dev, int mode, int maxmode) 1344{ 1345 struct ata_device *atadev = device_get_softc(dev); 1346 1347 if (maxmode && mode > maxmode) 1348 mode = maxmode; 1349 1350 if (mode >= ATA_UDMA0 && ata_umode(&atadev->param) > 0) 1351 return min(mode, ata_umode(&atadev->param)); 1352 1353 if (mode >= ATA_WDMA0 && ata_wmode(&atadev->param) > 0) 1354 return min(mode, ata_wmode(&atadev->param)); 1355 1356 if (mode > ata_pmode(&atadev->param)) 1357 return min(mode, ata_pmode(&atadev->param)); 1358 1359 return mode; 1360} 1361 1362static void 1363bswap(int8_t *buf, int len) 1364{ 1365 u_int16_t *ptr = (u_int16_t*)(buf + len); 1366 1367 while (--ptr >= (u_int16_t*)buf) 1368 *ptr = ntohs(*ptr); 1369} 1370 1371static void 1372btrim(int8_t *buf, int len) 1373{ 1374 int8_t *ptr; 1375 1376 for (ptr = buf; ptr < buf+len; ++ptr) 1377 if (!*ptr || *ptr == '_') 1378 *ptr = ' '; 1379 for (ptr = buf + len - 1; ptr >= buf && *ptr == ' '; --ptr) 1380 *ptr = 0; 1381} 1382 1383static void 1384bpack(int8_t *src, int8_t *dst, int len) 1385{ 1386 int i, j, blank; 1387 1388 for (i = j = blank = 0 ; i < len; i++) { 1389 if (blank && src[i] == ' ') continue; 1390 if (blank && src[i] != ' ') { 1391 dst[j++] = src[i]; 1392 blank = 0; 1393 continue; 1394 } 1395 if (src[i] == ' ') { 1396 blank = 1; 1397 if (i == 0) 1398 continue; 1399 } 1400 dst[j++] = src[i]; 1401 } 1402 if (j < len) 1403 dst[j] = 0x00; 1404} 1405 1406#ifdef ATA_CAM 1407void 1408ata_cam_begin_transaction(device_t dev, union ccb *ccb) 1409{ 1410 struct ata_channel *ch = device_get_softc(dev); 1411 struct ata_request *request; 1412 1413 if (!(request = ata_alloc_request())) { 1414 device_printf(dev, "FAILURE - out of memory in start\n"); 1415 ccb->ccb_h.status = CAM_REQ_INVALID; 1416 xpt_done(ccb); 1417 return; 1418 } 1419 bzero(request, sizeof(*request)); 1420 1421 /* setup request */ 1422 request->dev = NULL; 1423 request->parent = dev; 1424 request->unit = ccb->ccb_h.target_id; 1425 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1426 request->data = ccb->ataio.data_ptr; 1427 request->bytecount = ccb->ataio.dxfer_len; 1428 request->u.ata.command = ccb->ataio.cmd.command; 1429 request->u.ata.feature = ((uint16_t)ccb->ataio.cmd.features_exp << 8) | 1430 (uint16_t)ccb->ataio.cmd.features; 1431 request->u.ata.count = ((uint16_t)ccb->ataio.cmd.sector_count_exp << 8) | 1432 (uint16_t)ccb->ataio.cmd.sector_count; 1433 if (ccb->ataio.cmd.flags & CAM_ATAIO_48BIT) { 1434 request->flags |= ATA_R_48BIT; 1435 request->u.ata.lba = 1436 ((uint64_t)ccb->ataio.cmd.lba_high_exp << 40) | 1437 ((uint64_t)ccb->ataio.cmd.lba_mid_exp << 32) | 1438 ((uint64_t)ccb->ataio.cmd.lba_low_exp << 24); 1439 } else { 1440 request->u.ata.lba = 1441 ((uint64_t)(ccb->ataio.cmd.device & 0x0f) << 24); 1442 } 1443 request->u.ata.lba |= ((uint64_t)ccb->ataio.cmd.lba_high << 16) | 1444 ((uint64_t)ccb->ataio.cmd.lba_mid << 8) | 1445 (uint64_t)ccb->ataio.cmd.lba_low; 1446 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE && 1447 ccb->ataio.cmd.flags & CAM_ATAIO_DMA) 1448 request->flags |= ATA_R_DMA; 1449 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1450 request->flags |= ATA_R_READ; 1451 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 1452 request->flags |= ATA_R_WRITE; 1453 } else { 1454 request->data = ccb->csio.data_ptr; 1455 request->bytecount = ccb->csio.dxfer_len; 1456 bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ? 1457 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes, 1458 request->u.atapi.ccb, ccb->csio.cdb_len); 1459 request->flags |= ATA_R_ATAPI; 1460 if (ch->curr[ccb->ccb_h.target_id].atapi == 16) 1461 request->flags |= ATA_R_ATAPI16; 1462 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE && 1463 ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA) 1464 request->flags |= ATA_R_DMA; 1465 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1466 request->flags |= ATA_R_READ; 1467 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 1468 request->flags |= ATA_R_WRITE; 1469 } 1470 request->transfersize = min(request->bytecount, 1471 ch->curr[ccb->ccb_h.target_id].bytecount); 1472 request->retries = 0; 1473 request->timeout = (ccb->ccb_h.timeout + 999) / 1000; 1474 callout_init_mtx(&request->callout, &ch->state_mtx, CALLOUT_RETURNUNLOCKED); 1475 request->ccb = ccb; 1476 1477 ch->running = request; 1478 ch->state = ATA_ACTIVE; 1479 if (ch->hw.begin_transaction(request) == ATA_OP_FINISHED) { 1480 ch->running = NULL; 1481 ch->state = ATA_IDLE; 1482 ata_cam_end_transaction(dev, request); 1483 return; 1484 } 1485} 1486 1487static void 1488ata_cam_request_sense(device_t dev, struct ata_request *request) 1489{ 1490 struct ata_channel *ch = device_get_softc(dev); 1491 union ccb *ccb = request->ccb; 1492 1493 ch->requestsense = 1; 1494 1495 bzero(request, sizeof(&request)); 1496 request->dev = NULL; 1497 request->parent = dev; 1498 request->unit = ccb->ccb_h.target_id; 1499 request->data = (void *)&ccb->csio.sense_data; 1500 request->bytecount = ccb->csio.sense_len; 1501 request->u.atapi.ccb[0] = ATAPI_REQUEST_SENSE; 1502 request->u.atapi.ccb[4] = ccb->csio.sense_len; 1503 request->flags |= ATA_R_ATAPI; 1504 if (ch->curr[ccb->ccb_h.target_id].atapi == 16) 1505 request->flags |= ATA_R_ATAPI16; 1506 if (ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA) 1507 request->flags |= ATA_R_DMA; 1508 request->flags |= ATA_R_READ; 1509 request->transfersize = min(request->bytecount, 1510 ch->curr[ccb->ccb_h.target_id].bytecount); 1511 request->retries = 0; 1512 request->timeout = (ccb->ccb_h.timeout + 999) / 1000; 1513 callout_init_mtx(&request->callout, &ch->state_mtx, CALLOUT_RETURNUNLOCKED); 1514 request->ccb = ccb; 1515 1516 ch->running = request; 1517 ch->state = ATA_ACTIVE; 1518 if (ch->hw.begin_transaction(request) == ATA_OP_FINISHED) { 1519 ch->running = NULL; 1520 ch->state = ATA_IDLE; 1521 ata_cam_end_transaction(dev, request); 1522 return; 1523 } 1524} 1525 1526static void 1527ata_cam_process_sense(device_t dev, struct ata_request *request) 1528{ 1529 struct ata_channel *ch = device_get_softc(dev); 1530 union ccb *ccb = request->ccb; 1531 int fatalerr = 0; 1532 1533 ch->requestsense = 0; 1534 1535 if (request->flags & ATA_R_TIMEOUT) 1536 fatalerr = 1; 1537 if ((request->flags & ATA_R_TIMEOUT) == 0 && 1538 (request->status & ATA_S_ERROR) == 0 && 1539 request->result == 0) { 1540 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 1541 } else { 1542 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1543 ccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 1544 } 1545 1546 ata_free_request(request); 1547 xpt_done(ccb); 1548 /* Do error recovery if needed. */ 1549 if (fatalerr) 1550 ata_reinit(dev); 1551} 1552 1553void 1554ata_cam_end_transaction(device_t dev, struct ata_request *request) 1555{ 1556 struct ata_channel *ch = device_get_softc(dev); 1557 union ccb *ccb = request->ccb; 1558 int fatalerr = 0; 1559 1560 if (ch->requestsense) { 1561 ata_cam_process_sense(dev, request); 1562 return; 1563 } 1564 1565 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1566 if (request->flags & ATA_R_TIMEOUT) { 1567 xpt_freeze_simq(ch->sim, 1); 1568 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1569 ccb->ccb_h.status |= CAM_CMD_TIMEOUT | CAM_RELEASE_SIMQ; 1570 fatalerr = 1; 1571 } else if (request->status & ATA_S_ERROR) { 1572 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1573 ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR; 1574 } else { 1575 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 1576 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1577 } 1578 } else if (request->result == ERESTART) 1579 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1580 else if (request->result != 0) 1581 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1582 else 1583 ccb->ccb_h.status |= CAM_REQ_CMP; 1584 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP && 1585 !(ccb->ccb_h.status & CAM_DEV_QFRZN)) { 1586 xpt_freeze_devq(ccb->ccb_h.path, 1); 1587 ccb->ccb_h.status |= CAM_DEV_QFRZN; 1588 } 1589 if (ccb->ccb_h.func_code == XPT_ATA_IO && 1590 ((request->status & ATA_S_ERROR) || 1591 (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT))) { 1592 struct ata_res *res = &ccb->ataio.res; 1593 res->status = request->status; 1594 res->error = request->error; 1595 res->lba_low = request->u.ata.lba; 1596 res->lba_mid = request->u.ata.lba >> 8; 1597 res->lba_high = request->u.ata.lba >> 16; 1598 res->device = request->u.ata.lba >> 24; 1599 res->lba_low_exp = request->u.ata.lba >> 24; 1600 res->lba_mid_exp = request->u.ata.lba >> 32; 1601 res->lba_high_exp = request->u.ata.lba >> 40; 1602 res->sector_count = request->u.ata.count; 1603 res->sector_count_exp = request->u.ata.count >> 8; 1604 } 1605 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1606 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1607 ccb->ataio.resid = 1608 ccb->ataio.dxfer_len - request->donecount; 1609 } else { 1610 ccb->csio.resid = 1611 ccb->csio.dxfer_len - request->donecount; 1612 } 1613 } 1614 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR && 1615 (ccb->ccb_h.flags & CAM_DIS_AUTOSENSE) == 0) 1616 ata_cam_request_sense(dev, request); 1617 else { 1618 ata_free_request(request); 1619 xpt_done(ccb); 1620 } 1621 /* Do error recovery if needed. */ 1622 if (fatalerr) 1623 ata_reinit(dev); 1624} 1625 1626static int 1627ata_check_ids(device_t dev, union ccb *ccb) 1628{ 1629 struct ata_channel *ch = device_get_softc(dev); 1630 1631 if (ccb->ccb_h.target_id > ((ch->flags & ATA_NO_SLAVE) ? 0 : 1)) { 1632 ccb->ccb_h.status = CAM_TID_INVALID; 1633 xpt_done(ccb); 1634 return (-1); 1635 } 1636 if (ccb->ccb_h.target_lun != 0) { 1637 ccb->ccb_h.status = CAM_LUN_INVALID; 1638 xpt_done(ccb); 1639 return (-1); 1640 } 1641 return (0); 1642} 1643 1644static void 1645ataaction(struct cam_sim *sim, union ccb *ccb) 1646{ 1647 device_t dev, parent; 1648 struct ata_channel *ch; 1649 1650 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ataaction func_code=%x\n", 1651 ccb->ccb_h.func_code)); 1652 1653 ch = (struct ata_channel *)cam_sim_softc(sim); 1654 dev = ch->dev; 1655 switch (ccb->ccb_h.func_code) { 1656 /* Common cases first */ 1657 case XPT_ATA_IO: /* Execute the requested I/O operation */ 1658 case XPT_SCSI_IO: 1659 if (ata_check_ids(dev, ccb)) 1660 return; 1661 if ((ch->devices & ((ATA_ATA_MASTER | ATA_ATAPI_MASTER) 1662 << ccb->ccb_h.target_id)) == 0) { 1663 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 1664 break; 1665 } 1666 if (ch->running) 1667 device_printf(dev, "already running!\n"); 1668 if (ccb->ccb_h.func_code == XPT_ATA_IO && 1669 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) && 1670 (ccb->ataio.cmd.control & ATA_A_RESET)) { 1671 struct ata_res *res = &ccb->ataio.res; 1672 1673 bzero(res, sizeof(*res)); 1674 if (ch->devices & (ATA_ATA_MASTER << ccb->ccb_h.target_id)) { 1675 res->lba_high = 0; 1676 res->lba_mid = 0; 1677 } else { 1678 res->lba_high = 0xeb; 1679 res->lba_mid = 0x14; 1680 } 1681 ccb->ccb_h.status = CAM_REQ_CMP; 1682 break; 1683 } 1684 ata_cam_begin_transaction(dev, ccb); 1685 return; 1686 case XPT_EN_LUN: /* Enable LUN as a target */ 1687 case XPT_TARGET_IO: /* Execute target I/O request */ 1688 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 1689 case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/ 1690 case XPT_ABORT: /* Abort the specified CCB */ 1691 /* XXX Implement */ 1692 ccb->ccb_h.status = CAM_REQ_INVALID; 1693 break; 1694 case XPT_SET_TRAN_SETTINGS: 1695 { 1696 struct ccb_trans_settings *cts = &ccb->cts; 1697 struct ata_cam_device *d; 1698 1699 if (ata_check_ids(dev, ccb)) 1700 return; 1701 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1702 d = &ch->curr[ccb->ccb_h.target_id]; 1703 else 1704 d = &ch->user[ccb->ccb_h.target_id]; 1705 if (ch->flags & ATA_SATA) { 1706 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION) 1707 d->revision = cts->xport_specific.sata.revision; 1708 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE) { 1709 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) { 1710 d->mode = ATA_SETMODE(ch->dev, 1711 ccb->ccb_h.target_id, 1712 cts->xport_specific.sata.mode); 1713 } else 1714 d->mode = cts->xport_specific.sata.mode; 1715 } 1716 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 1717 d->bytecount = min(8192, cts->xport_specific.sata.bytecount); 1718 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_ATAPI) 1719 d->atapi = cts->xport_specific.sata.atapi; 1720 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1721 d->caps = cts->xport_specific.sata.caps; 1722 } else { 1723 if (cts->xport_specific.ata.valid & CTS_ATA_VALID_MODE) { 1724 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) { 1725 d->mode = ATA_SETMODE(ch->dev, 1726 ccb->ccb_h.target_id, 1727 cts->xport_specific.ata.mode); 1728 } else 1729 d->mode = cts->xport_specific.ata.mode; 1730 } 1731 if (cts->xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 1732 d->bytecount = cts->xport_specific.ata.bytecount; 1733 if (cts->xport_specific.ata.valid & CTS_ATA_VALID_ATAPI) 1734 d->atapi = cts->xport_specific.ata.atapi; 1735 } 1736 ccb->ccb_h.status = CAM_REQ_CMP; 1737 break; 1738 } 1739 case XPT_GET_TRAN_SETTINGS: 1740 { 1741 struct ccb_trans_settings *cts = &ccb->cts; 1742 struct ata_cam_device *d; 1743 1744 if (ata_check_ids(dev, ccb)) 1745 return; 1746 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1747 d = &ch->curr[ccb->ccb_h.target_id]; 1748 else 1749 d = &ch->user[ccb->ccb_h.target_id]; 1750 cts->protocol = PROTO_ATA; 1751 cts->protocol_version = PROTO_VERSION_UNSPECIFIED; 1752 if (ch->flags & ATA_SATA) { 1753 cts->transport = XPORT_SATA; 1754 cts->transport_version = XPORT_VERSION_UNSPECIFIED; 1755 cts->xport_specific.sata.valid = 0; 1756 cts->xport_specific.sata.mode = d->mode; 1757 cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE; 1758 cts->xport_specific.sata.bytecount = d->bytecount; 1759 cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT; 1760 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) { 1761 cts->xport_specific.sata.revision = 1762 ATA_GETREV(dev, ccb->ccb_h.target_id); 1763 if (cts->xport_specific.sata.revision != 0xff) { 1764 cts->xport_specific.sata.valid |= 1765 CTS_SATA_VALID_REVISION; 1766 } 1767 cts->xport_specific.sata.caps = 1768 d->caps & CTS_SATA_CAPS_D; 1769 if (ch->pm_level) { 1770 cts->xport_specific.sata.caps |= 1771 CTS_SATA_CAPS_H_PMREQ; 1772 } 1773 cts->xport_specific.sata.caps &= 1774 ch->user[ccb->ccb_h.target_id].caps; 1775 cts->xport_specific.sata.valid |= 1776 CTS_SATA_VALID_CAPS; 1777 } else { 1778 cts->xport_specific.sata.revision = d->revision; 1779 cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION; 1780 cts->xport_specific.sata.caps = d->caps; 1781 cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; 1782 } 1783 cts->xport_specific.sata.atapi = d->atapi; 1784 cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI; 1785 } else { 1786 cts->transport = XPORT_ATA; 1787 cts->transport_version = XPORT_VERSION_UNSPECIFIED; 1788 cts->xport_specific.ata.valid = 0; 1789 cts->xport_specific.ata.mode = d->mode; 1790 cts->xport_specific.ata.valid |= CTS_ATA_VALID_MODE; 1791 cts->xport_specific.ata.bytecount = d->bytecount; 1792 cts->xport_specific.ata.valid |= CTS_ATA_VALID_BYTECOUNT; 1793 cts->xport_specific.ata.atapi = d->atapi; 1794 cts->xport_specific.ata.valid |= CTS_ATA_VALID_ATAPI; 1795 } 1796 ccb->ccb_h.status = CAM_REQ_CMP; 1797 break; 1798 } 1799 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1800 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1801 ata_reinit(dev); 1802 ccb->ccb_h.status = CAM_REQ_CMP; 1803 break; 1804 case XPT_TERM_IO: /* Terminate the I/O process */ 1805 /* XXX Implement */ 1806 ccb->ccb_h.status = CAM_REQ_INVALID; 1807 break; 1808 case XPT_PATH_INQ: /* Path routing inquiry */ 1809 { 1810 struct ccb_pathinq *cpi = &ccb->cpi; 1811 1812 parent = device_get_parent(dev); 1813 cpi->version_num = 1; /* XXX??? */ 1814 cpi->hba_inquiry = PI_SDTR_ABLE; 1815 cpi->target_sprt = 0; 1816 cpi->hba_misc = PIM_SEQSCAN; 1817 cpi->hba_eng_cnt = 0; 1818 if (ch->flags & ATA_NO_SLAVE) 1819 cpi->max_target = 0; 1820 else 1821 cpi->max_target = 1; 1822 cpi->max_lun = 0; 1823 cpi->initiator_id = 0; 1824 cpi->bus_id = cam_sim_bus(sim); 1825 if (ch->flags & ATA_SATA) 1826 cpi->base_transfer_speed = 150000; 1827 else 1828 cpi->base_transfer_speed = 3300; 1829 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1830 strncpy(cpi->hba_vid, "ATA", HBA_IDLEN); 1831 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1832 cpi->unit_number = cam_sim_unit(sim); 1833 if (ch->flags & ATA_SATA) 1834 cpi->transport = XPORT_SATA; 1835 else 1836 cpi->transport = XPORT_ATA; 1837 cpi->transport_version = XPORT_VERSION_UNSPECIFIED; 1838 cpi->protocol = PROTO_ATA; 1839 cpi->protocol_version = PROTO_VERSION_UNSPECIFIED; 1840 cpi->maxio = ch->dma.max_iosize ? ch->dma.max_iosize : DFLTPHYS; 1841 if (device_get_devclass(device_get_parent(parent)) == 1842 devclass_find("pci")) { 1843 cpi->hba_vendor = pci_get_vendor(parent); 1844 cpi->hba_device = pci_get_device(parent); 1845 cpi->hba_subvendor = pci_get_subvendor(parent); 1846 cpi->hba_subdevice = pci_get_subdevice(parent); 1847 } 1848 cpi->ccb_h.status = CAM_REQ_CMP; 1849 break; 1850 } 1851 default: 1852 ccb->ccb_h.status = CAM_REQ_INVALID; 1853 break; 1854 } 1855 xpt_done(ccb); 1856} 1857 1858static void 1859atapoll(struct cam_sim *sim) 1860{ 1861 struct ata_channel *ch = (struct ata_channel *)cam_sim_softc(sim); 1862 1863 ata_interrupt_locked(ch); 1864} 1865#endif 1866 1867/* 1868 * module handeling 1869 */ 1870static int 1871ata_module_event_handler(module_t mod, int what, void *arg) 1872{ 1873#ifndef ATA_CAM 1874 static struct cdev *atacdev; 1875#endif 1876 1877 switch (what) { 1878 case MOD_LOAD: 1879#ifndef ATA_CAM 1880 /* register controlling device */ 1881 atacdev = make_dev(&ata_cdevsw, 0, UID_ROOT, GID_OPERATOR, 0600, "ata"); 1882 1883 if (cold) { 1884 /* register boot attach to be run when interrupts are enabled */ 1885 if (!(ata_delayed_attach = (struct intr_config_hook *) 1886 malloc(sizeof(struct intr_config_hook), 1887 M_TEMP, M_NOWAIT | M_ZERO))) { 1888 printf("ata: malloc of delayed attach hook failed\n"); 1889 return EIO; 1890 } 1891 ata_delayed_attach->ich_func = (void*)ata_boot_attach; 1892 if (config_intrhook_establish(ata_delayed_attach) != 0) { 1893 printf("ata: config_intrhook_establish failed\n"); 1894 free(ata_delayed_attach, M_TEMP); 1895 } 1896 } 1897#endif 1898 return 0; 1899 1900 case MOD_UNLOAD: 1901#ifndef ATA_CAM 1902 /* deregister controlling device */ 1903 destroy_dev(atacdev); 1904#endif 1905 return 0; 1906 1907 default: 1908 return EOPNOTSUPP; 1909 } 1910} 1911 1912static moduledata_t ata_moduledata = { "ata", ata_module_event_handler, NULL }; 1913DECLARE_MODULE(ata, ata_moduledata, SI_SUB_CONFIGURE, SI_ORDER_SECOND); 1914MODULE_VERSION(ata, 1); 1915#ifdef ATA_CAM 1916MODULE_DEPEND(ata, cam, 1, 1, 1); 1917#endif 1918 1919static void 1920ata_init(void) 1921{ 1922 ata_request_zone = uma_zcreate("ata_request", sizeof(struct ata_request), 1923 NULL, NULL, NULL, NULL, 0, 0); 1924 ata_composite_zone = uma_zcreate("ata_composite", 1925 sizeof(struct ata_composite), 1926 NULL, NULL, NULL, NULL, 0, 0); 1927} 1928SYSINIT(ata_register, SI_SUB_DRIVERS, SI_ORDER_SECOND, ata_init, NULL); 1929 1930static void 1931ata_uninit(void) 1932{ 1933 uma_zdestroy(ata_composite_zone); 1934 uma_zdestroy(ata_request_zone); 1935} 1936SYSUNINIT(ata_unregister, SI_SUB_DRIVERS, SI_ORDER_SECOND, ata_uninit, NULL); 1937