sys/dev/ata/ata-all.c

   1 /*-
   2  * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer,
  10  *    without modification, immediately at the beginning of the file.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #include <sys/cdefs.h>
  28 __FBSDID("$FreeBSD$");
  29
  30 #include <sys/param.h>
  31 #include <sys/systm.h>
  32 #include <sys/ata.h>
  33 #include <sys/kernel.h>
  34 #include <sys/module.h>
  35 #include <sys/endian.h>
  36 #include <sys/ctype.h>
  37 #include <sys/conf.h>
  38 #include <sys/bus.h>
  39 #include <sys/bio.h>
  40 #include <sys/malloc.h>
  41 #include <sys/sysctl.h>
  42 #include <sys/sema.h>
  43 #include <sys/taskqueue.h>
  44 #include <vm/uma.h>
  45 #include <machine/stdarg.h>
  46 #include <machine/resource.h>
  47 #include <machine/bus.h>
  48 #include <sys/rman.h>
  49 #include <dev/ata/ata-all.h>
  50 #include <dev/pci/pcivar.h>
  51 #include <ata_if.h>
  52
  53 #include <cam/cam.h>
  54 #include <cam/cam_ccb.h>
  55 #include <cam/cam_sim.h>
  56 #include <cam/cam_xpt_sim.h>
  57 #include <cam/cam_debug.h>
  58
  59 /* prototypes */
  60 static void ataaction(struct cam_sim *sim, union ccb *ccb);
  61 static void atapoll(struct cam_sim *sim);
  62 static void ata_cam_begin_transaction(device_t dev, union ccb *ccb);
  63 static void ata_cam_end_transaction(device_t dev, struct ata_request *request);
  64 static void ata_cam_request_sense(device_t dev, struct ata_request *request);
  65 static int ata_check_ids(device_t dev, union ccb *ccb);
  66 static void ata_conn_event(void *context, int dummy);
  67 static void ata_interrupt_locked(void *data);
  68 static int ata_module_event_handler(module_t mod, int what, void *arg);
  69 static void ata_periodic_poll(void *data);
  70 static int ata_str2mode(const char *str);
  71
  72 /* global vars */
  73 MALLOC_DEFINE(M_ATA, "ata_generic", "ATA driver generic layer");
  74 int (*ata_raid_ioctl_func)(u_long cmd, caddr_t data) = NULL;
  75 devclass_t ata_devclass;
  76 int ata_dma_check_80pin = 1;
  77
  78 /* sysctl vars */
  79 static SYSCTL_NODE(_hw, OID_AUTO, ata, CTLFLAG_RD, 0, "ATA driver parameters");
  80 SYSCTL_INT(_hw_ata, OID_AUTO, ata_dma_check_80pin,
  81            CTLFLAG_RWTUN, &ata_dma_check_80pin, 0,
  82            "Check for 80pin cable before setting ATA DMA mode");
  83 FEATURE(ata_cam, "ATA devices are accessed through the cam(4) driver");
  84
  85 /*
  86  * newbus device interface related functions
  87  */
  88 int
  89 ata_probe(device_t dev)
  90 {
  91     return (BUS_PROBE_LOW_PRIORITY);
  92 }
  93
  94 int
  95 ata_attach(device_t dev)
  96 {
  97     struct ata_channel *ch = device_get_softc(dev);
  98     int error, rid;
  99     struct cam_devq *devq;
 100     const char *res;
 101     char buf[64];
 102     int i, mode;
 103
 104     /* check that we have a virgin channel to attach */
 105     if (ch->r_irq)
 106         return EEXIST;
 107
 108     /* initialize the softc basics */
 109     ch->dev = dev;
 110     ch->state = ATA_IDLE;
 111     bzero(&ch->state_mtx, sizeof(struct mtx));
 112     mtx_init(&ch->state_mtx, "ATA state lock", NULL, MTX_DEF);
 113     TASK_INIT(&ch->conntask, 0, ata_conn_event, dev);
 114         for (i = 0; i < 16; i++) {
 115                 ch->user[i].revision = 0;
 116                 snprintf(buf, sizeof(buf), "dev%d.sata_rev", i);
 117                 if (resource_int_value(device_get_name(dev),
 118                     device_get_unit(dev), buf, &mode) != 0 &&
 119                     resource_int_value(device_get_name(dev),
 120                     device_get_unit(dev), "sata_rev", &mode) != 0)
 121                         mode = -1;
 122                 if (mode >= 0)
 123                         ch->user[i].revision = mode;
 124                 ch->user[i].mode = 0;
 125                 snprintf(buf, sizeof(buf), "dev%d.mode", i);
 126                 if (resource_string_value(device_get_name(dev),
 127                     device_get_unit(dev), buf, &res) == 0)
 128                         mode = ata_str2mode(res);
 129                 else if (resource_string_value(device_get_name(dev),
 130                     device_get_unit(dev), "mode", &res) == 0)
 131                         mode = ata_str2mode(res);
 132                 else
 133                         mode = -1;
 134                 if (mode >= 0)
 135                         ch->user[i].mode = mode;
 136                 if (ch->flags & ATA_SATA)
 137                         ch->user[i].bytecount = 8192;
 138                 else
 139                         ch->user[i].bytecount = MAXPHYS;
 140                 ch->user[i].caps = 0;
 141                 ch->curr[i] = ch->user[i];
 142                 if (ch->flags & ATA_SATA) {
 143                         if (ch->pm_level > 0)
 144                                 ch->user[i].caps |= CTS_SATA_CAPS_H_PMREQ;
 145                         if (ch->pm_level > 1)
 146                                 ch->user[i].caps |= CTS_SATA_CAPS_D_PMREQ;
 147                 } else {
 148                         if (!(ch->flags & ATA_NO_48BIT_DMA))
 149                                 ch->user[i].caps |= CTS_ATA_CAPS_H_DMA48;
 150                 }
 151         }
 152         callout_init(&ch->poll_callout, 1);
 153
 154     /* allocate DMA resources if DMA HW present*/
 155     if (ch->dma.alloc)
 156         ch->dma.alloc(dev);
 157
 158     /* setup interrupt delivery */
 159     rid = ATA_IRQ_RID;
 160     ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
 161                                        RF_SHAREABLE | RF_ACTIVE);
 162     if (!ch->r_irq) {
 163         device_printf(dev, "unable to allocate interrupt\n");
 164         return ENXIO;
 165     }
 166     if ((error = bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL,
 167                                 ata_interrupt, ch, &ch->ih))) {
 168         bus_release_resource(dev, SYS_RES_IRQ, rid, ch->r_irq);
 169         device_printf(dev, "unable to setup interrupt\n");
 170         return error;
 171     }
 172
 173         if (ch->flags & ATA_PERIODIC_POLL)
 174                 callout_reset(&ch->poll_callout, hz, ata_periodic_poll, ch);
 175         mtx_lock(&ch->state_mtx);
 176         /* Create the device queue for our SIM. */
 177         devq = cam_simq_alloc(1);
 178         if (devq == NULL) {
 179                 device_printf(dev, "Unable to allocate simq\n");
 180                 error = ENOMEM;
 181                 goto err1;
 182         }
 183         /* Construct SIM entry */
 184         ch->sim = cam_sim_alloc(ataaction, atapoll, "ata", ch,
 185             device_get_unit(dev), &ch->state_mtx, 1, 0, devq);
 186         if (ch->sim == NULL) {
 187                 device_printf(dev, "unable to allocate sim\n");
 188                 cam_simq_free(devq);
 189                 error = ENOMEM;
 190                 goto err1;
 191         }
 192         if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) {
 193                 device_printf(dev, "unable to register xpt bus\n");
 194                 error = ENXIO;
 195                 goto err2;
 196         }
 197         if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim),
 198             CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 199                 device_printf(dev, "unable to create path\n");
 200                 error = ENXIO;
 201                 goto err3;
 202         }
 203         mtx_unlock(&ch->state_mtx);
 204         return (0);
 205
 206 err3:
 207         xpt_bus_deregister(cam_sim_path(ch->sim));
 208 err2:
 209         cam_sim_free(ch->sim, /*free_devq*/TRUE);
 210         ch->sim = NULL;
 211 err1:
 212         bus_release_resource(dev, SYS_RES_IRQ, rid, ch->r_irq);
 213         mtx_unlock(&ch->state_mtx);
 214         if (ch->flags & ATA_PERIODIC_POLL)
 215                 callout_drain(&ch->poll_callout);
 216         return (error);
 217 }
 218
 219 int
 220 ata_detach(device_t dev)
 221 {
 222     struct ata_channel *ch = device_get_softc(dev);
 223
 224     /* check that we have a valid channel to detach */
 225     if (!ch->r_irq)
 226         return ENXIO;
 227
 228     /* grap the channel lock so no new requests gets launched */
 229     mtx_lock(&ch->state_mtx);
 230     ch->state |= ATA_STALL_QUEUE;
 231     mtx_unlock(&ch->state_mtx);
 232     if (ch->flags & ATA_PERIODIC_POLL)
 233         callout_drain(&ch->poll_callout);
 234
 235     taskqueue_drain(taskqueue_thread, &ch->conntask);
 236
 237         mtx_lock(&ch->state_mtx);
 238         xpt_async(AC_LOST_DEVICE, ch->path, NULL);
 239         xpt_free_path(ch->path);
 240         xpt_bus_deregister(cam_sim_path(ch->sim));
 241         cam_sim_free(ch->sim, /*free_devq*/TRUE);
 242         ch->sim = NULL;
 243         mtx_unlock(&ch->state_mtx);
 244
 245     /* release resources */
 246     bus_teardown_intr(dev, ch->r_irq, ch->ih);
 247     bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
 248     ch->r_irq = NULL;
 249
 250     /* free DMA resources if DMA HW present*/
 251     if (ch->dma.free)
 252         ch->dma.free(dev);
 253
 254     mtx_destroy(&ch->state_mtx);
 255     return 0;
 256 }
 257
 258 static void
 259 ata_conn_event(void *context, int dummy)
 260 {
 261         device_t dev = (device_t)context;
 262         struct ata_channel *ch = device_get_softc(dev);
 263         union ccb *ccb;
 264
 265         mtx_lock(&ch->state_mtx);
 266         if (ch->sim == NULL) {
 267                 mtx_unlock(&ch->state_mtx);
 268                 return;
 269         }
 270         ata_reinit(dev);
 271         if ((ccb = xpt_alloc_ccb_nowait()) == NULL)
 272                 return;
 273         if (xpt_create_path(&ccb->ccb_h.path, NULL,
 274             cam_sim_path(ch->sim),
 275             CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 276                 xpt_free_ccb(ccb);
 277                 return;
 278         }
 279         xpt_rescan(ccb);
 280         mtx_unlock(&ch->state_mtx);
 281 }
 282
 283 int
 284 ata_reinit(device_t dev)
 285 {
 286     struct ata_channel *ch = device_get_softc(dev);
 287     struct ata_request *request;
 288
 289         xpt_freeze_simq(ch->sim, 1);
 290         if ((request = ch->running)) {
 291                 ch->running = NULL;
 292                 if (ch->state == ATA_ACTIVE)
 293                     ch->state = ATA_IDLE;
 294                 callout_stop(&request->callout);
 295                 if (ch->dma.unload)
 296                     ch->dma.unload(request);
 297                 request->result = ERESTART;
 298                 ata_cam_end_transaction(dev, request);
 299         }
 300         /* reset the controller HW, the channel and device(s) */
 301         ATA_RESET(dev);
 302         /* Tell the XPT about the event */
 303         xpt_async(AC_BUS_RESET, ch->path, NULL);
 304         xpt_release_simq(ch->sim, TRUE);
 305         return(0);
 306 }
 307
 308 int
 309 ata_suspend(device_t dev)
 310 {
 311     struct ata_channel *ch;
 312
 313     /* check for valid device */
 314     if (!dev || !(ch = device_get_softc(dev)))
 315         return ENXIO;
 316
 317         if (ch->flags & ATA_PERIODIC_POLL)
 318                 callout_drain(&ch->poll_callout);
 319         mtx_lock(&ch->state_mtx);
 320         xpt_freeze_simq(ch->sim, 1);
 321         while (ch->state != ATA_IDLE)
 322                 msleep(ch, &ch->state_mtx, PRIBIO, "atasusp", hz/100);
 323         mtx_unlock(&ch->state_mtx);
 324     return(0);
 325 }
 326
 327 int
 328 ata_resume(device_t dev)
 329 {
 330     struct ata_channel *ch;
 331     int error;
 332
 333     /* check for valid device */
 334     if (!dev || !(ch = device_get_softc(dev)))
 335         return ENXIO;
 336
 337         mtx_lock(&ch->state_mtx);
 338         error = ata_reinit(dev);
 339         xpt_release_simq(ch->sim, TRUE);
 340         mtx_unlock(&ch->state_mtx);
 341         if (ch->flags & ATA_PERIODIC_POLL)
 342                 callout_reset(&ch->poll_callout, hz, ata_periodic_poll, ch);
 343     return error;
 344 }
 345
 346 void
 347 ata_interrupt(void *data)
 348 {
 349     struct ata_channel *ch = (struct ata_channel *)data;
 350
 351     mtx_lock(&ch->state_mtx);
 352     ata_interrupt_locked(data);
 353     mtx_unlock(&ch->state_mtx);
 354 }
 355
 356 static void
 357 ata_interrupt_locked(void *data)
 358 {
 359         struct ata_channel *ch = (struct ata_channel *)data;
 360         struct ata_request *request;
 361
 362         /* ignore interrupt if its not for us */
 363         if (ch->hw.status && !ch->hw.status(ch->dev))
 364                 return;
 365
 366         /* do we have a running request */
 367         if (!(request = ch->running))
 368                 return;
 369
 370         ATA_DEBUG_RQ(request, "interrupt");
 371
 372         /* safetycheck for the right state */
 373         if (ch->state == ATA_IDLE) {
 374                 device_printf(request->dev, "interrupt on idle channel ignored\n");
 375                 return;
 376         }
 377
 378         /*
 379          * we have the HW locks, so end the transaction for this request
 380          * if it finishes immediately otherwise wait for next interrupt
 381          */
 382         if (ch->hw.end_transaction(request) == ATA_OP_FINISHED) {
 383                 ch->running = NULL;
 384                 if (ch->state == ATA_ACTIVE)
 385                         ch->state = ATA_IDLE;
 386                 ata_cam_end_transaction(ch->dev, request);
 387                 return;
 388         }
 389 }
 390
 391 static void
 392 ata_periodic_poll(void *data)
 393 {
 394     struct ata_channel *ch = (struct ata_channel *)data;
 395
 396     callout_reset(&ch->poll_callout, hz, ata_periodic_poll, ch);
 397     ata_interrupt(ch);
 398 }
 399
 400 void
 401 ata_print_cable(device_t dev, u_int8_t *who)
 402 {
 403     device_printf(dev,
 404                   "DMA limited to UDMA33, %s found non-ATA66 cable\n", who);
 405 }
 406
 407 /*
 408  * misc support functions
 409  */
 410 void
 411 ata_default_registers(device_t dev)
 412 {
 413     struct ata_channel *ch = device_get_softc(dev);
 414
 415     /* fill in the defaults from whats setup already */
 416     ch->r_io[ATA_ERROR].res = ch->r_io[ATA_FEATURE].res;
 417     ch->r_io[ATA_ERROR].offset = ch->r_io[ATA_FEATURE].offset;
 418     ch->r_io[ATA_IREASON].res = ch->r_io[ATA_COUNT].res;
 419     ch->r_io[ATA_IREASON].offset = ch->r_io[ATA_COUNT].offset;
 420     ch->r_io[ATA_STATUS].res = ch->r_io[ATA_COMMAND].res;
 421     ch->r_io[ATA_STATUS].offset = ch->r_io[ATA_COMMAND].offset;
 422     ch->r_io[ATA_ALTSTAT].res = ch->r_io[ATA_CONTROL].res;
 423     ch->r_io[ATA_ALTSTAT].offset = ch->r_io[ATA_CONTROL].offset;
 424 }
 425
 426 void
 427 ata_udelay(int interval)
 428 {
 429     /* for now just use DELAY, the timer/sleep subsytems are not there yet */
 430     if (1 || interval < (1000000/hz) || ata_delayed_attach)
 431         DELAY(interval);
 432     else
 433         pause("ataslp", interval/(1000000/hz));
 434 }
 435
 436 const char *
 437 ata_cmd2str(struct ata_request *request)
 438 {
 439         static char buffer[20];
 440
 441         if (request->flags & ATA_R_ATAPI) {
 442                 switch (request->u.atapi.sense.key ?
 443                     request->u.atapi.saved_cmd : request->u.atapi.ccb[0]) {
 444                 case 0x00: return ("TEST_UNIT_READY");
 445                 case 0x01: return ("REZERO");
 446                 case 0x03: return ("REQUEST_SENSE");
 447                 case 0x04: return ("FORMAT");
 448                 case 0x08: return ("READ");
 449                 case 0x0a: return ("WRITE");
 450                 case 0x10: return ("WEOF");
 451                 case 0x11: return ("SPACE");
 452                 case 0x12: return ("INQUIRY");
 453                 case 0x15: return ("MODE_SELECT");
 454                 case 0x19: return ("ERASE");
 455                 case 0x1a: return ("MODE_SENSE");
 456                 case 0x1b: return ("START_STOP");
 457                 case 0x1e: return ("PREVENT_ALLOW");
 458                 case 0x23: return ("ATAPI_READ_FORMAT_CAPACITIES");
 459                 case 0x25: return ("READ_CAPACITY");
 460                 case 0x28: return ("READ_BIG");
 461                 case 0x2a: return ("WRITE_BIG");
 462                 case 0x2b: return ("LOCATE");
 463                 case 0x34: return ("READ_POSITION");
 464                 case 0x35: return ("SYNCHRONIZE_CACHE");
 465                 case 0x3b: return ("WRITE_BUFFER");
 466                 case 0x3c: return ("READ_BUFFER");
 467                 case 0x42: return ("READ_SUBCHANNEL");
 468                 case 0x43: return ("READ_TOC");
 469                 case 0x45: return ("PLAY_10");
 470                 case 0x47: return ("PLAY_MSF");
 471                 case 0x48: return ("PLAY_TRACK");
 472                 case 0x4b: return ("PAUSE");
 473                 case 0x51: return ("READ_DISK_INFO");
 474                 case 0x52: return ("READ_TRACK_INFO");
 475                 case 0x53: return ("RESERVE_TRACK");
 476                 case 0x54: return ("SEND_OPC_INFO");
 477                 case 0x55: return ("MODE_SELECT_BIG");
 478                 case 0x58: return ("REPAIR_TRACK");
 479                 case 0x59: return ("READ_MASTER_CUE");
 480                 case 0x5a: return ("MODE_SENSE_BIG");
 481                 case 0x5b: return ("CLOSE_TRACK/SESSION");
 482                 case 0x5c: return ("READ_BUFFER_CAPACITY");
 483                 case 0x5d: return ("SEND_CUE_SHEET");
 484                 case 0x96: return ("SERVICE_ACTION_IN");
 485                 case 0xa1: return ("BLANK_CMD");
 486                 case 0xa3: return ("SEND_KEY");
 487                 case 0xa4: return ("REPORT_KEY");
 488                 case 0xa5: return ("PLAY_12");
 489                 case 0xa6: return ("LOAD_UNLOAD");
 490                 case 0xad: return ("READ_DVD_STRUCTURE");
 491                 case 0xb4: return ("PLAY_CD");
 492                 case 0xbb: return ("SET_SPEED");
 493                 case 0xbd: return ("MECH_STATUS");
 494                 case 0xbe: return ("READ_CD");
 495                 case 0xff: return ("POLL_DSC");
 496                 }
 497         } else {
 498                 switch (request->u.ata.command) {
 499                 case 0x00:
 500                         switch (request->u.ata.feature) {
 501                         case 0x00: return ("NOP FLUSHQUEUE");
 502                         case 0x01: return ("NOP AUTOPOLL");
 503                         }
 504                         return ("NOP");
 505                 case 0x03: return ("CFA_REQUEST_EXTENDED_ERROR");
 506                 case 0x06:
 507                         switch (request->u.ata.feature) {
 508                         case 0x01: return ("DSM TRIM");
 509                         }
 510                         return "DSM";
 511                 case 0x08: return ("DEVICE_RESET");
 512                 case 0x20: return ("READ");
 513                 case 0x24: return ("READ48");
 514                 case 0x25: return ("READ_DMA48");
 515                 case 0x26: return ("READ_DMA_QUEUED48");
 516                 case 0x27: return ("READ_NATIVE_MAX_ADDRESS48");
 517                 case 0x29: return ("READ_MUL48");
 518                 case 0x2a: return ("READ_STREAM_DMA48");
 519                 case 0x2b: return ("READ_STREAM48");
 520                 case 0x2f: return ("READ_LOG_EXT");
 521                 case 0x30: return ("WRITE");
 522                 case 0x34: return ("WRITE48");
 523                 case 0x35: return ("WRITE_DMA48");
 524                 case 0x36: return ("WRITE_DMA_QUEUED48");
 525                 case 0x37: return ("SET_MAX_ADDRESS48");
 526                 case 0x39: return ("WRITE_MUL48");
 527                 case 0x3a: return ("WRITE_STREAM_DMA48");
 528                 case 0x3b: return ("WRITE_STREAM48");
 529                 case 0x3d: return ("WRITE_DMA_FUA48");
 530                 case 0x3e: return ("WRITE_DMA_QUEUED_FUA48");
 531                 case 0x3f: return ("WRITE_LOG_EXT");
 532                 case 0x40: return ("READ_VERIFY");
 533                 case 0x42: return ("READ_VERIFY48");
 534                 case 0x45:
 535                         switch (request->u.ata.feature) {
 536                         case 0x55: return ("WRITE_UNCORRECTABLE48 PSEUDO");
 537                         case 0xaa: return ("WRITE_UNCORRECTABLE48 FLAGGED");
 538                         }
 539                         return "WRITE_UNCORRECTABLE48";
 540                 case 0x51: return ("CONFIGURE_STREAM");
 541                 case 0x60: return ("READ_FPDMA_QUEUED");
 542                 case 0x61: return ("WRITE_FPDMA_QUEUED");
 543                 case 0x63: return ("NCQ_NON_DATA");
 544                 case 0x64: return ("SEND_FPDMA_QUEUED");
 545                 case 0x65: return ("RECEIVE_FPDMA_QUEUED");
 546                 case 0x67:
 547                         if (request->u.ata.feature == 0xec)
 548                                 return ("SEP_ATTN IDENTIFY");
 549                         switch (request->u.ata.lba) {
 550                         case 0x00: return ("SEP_ATTN READ BUFFER");
 551                         case 0x02: return ("SEP_ATTN RECEIVE DIAGNOSTIC RESULTS");
 552                         case 0x80: return ("SEP_ATTN WRITE BUFFER");
 553                         case 0x82: return ("SEP_ATTN SEND DIAGNOSTIC");
 554                         }
 555                         return ("SEP_ATTN");
 556                 case 0x70: return ("SEEK");
 557                 case 0x87: return ("CFA_TRANSLATE_SECTOR");
 558                 case 0x90: return ("EXECUTE_DEVICE_DIAGNOSTIC");
 559                 case 0x92: return ("DOWNLOAD_MICROCODE");
 560                 case 0xa0: return ("PACKET");
 561                 case 0xa1: return ("ATAPI_IDENTIFY");
 562                 case 0xa2: return ("SERVICE");
 563                 case 0xb0:
 564                         switch(request->u.ata.feature) {
 565                         case 0xd0: return ("SMART READ ATTR VALUES");
 566                         case 0xd1: return ("SMART READ ATTR THRESHOLDS");
 567                         case 0xd3: return ("SMART SAVE ATTR VALUES");
 568                         case 0xd4: return ("SMART EXECUTE OFFLINE IMMEDIATE");
 569                         case 0xd5: return ("SMART READ LOG DATA");
 570                         case 0xd8: return ("SMART ENABLE OPERATION");
 571                         case 0xd9: return ("SMART DISABLE OPERATION");
 572                         case 0xda: return ("SMART RETURN STATUS");
 573                         }
 574                         return ("SMART");
 575                 case 0xb1: return ("DEVICE CONFIGURATION");
 576                 case 0xc0: return ("CFA_ERASE");
 577                 case 0xc4: return ("READ_MUL");
 578                 case 0xc5: return ("WRITE_MUL");
 579                 case 0xc6: return ("SET_MULTI");
 580                 case 0xc7: return ("READ_DMA_QUEUED");
 581                 case 0xc8: return ("READ_DMA");
 582                 case 0xca: return ("WRITE_DMA");
 583                 case 0xcc: return ("WRITE_DMA_QUEUED");
 584                 case 0xcd: return ("CFA_WRITE_MULTIPLE_WITHOUT_ERASE");
 585                 case 0xce: return ("WRITE_MUL_FUA48");
 586                 case 0xd1: return ("CHECK_MEDIA_CARD_TYPE");
 587                 case 0xda: return ("GET_MEDIA_STATUS");
 588                 case 0xde: return ("MEDIA_LOCK");
 589                 case 0xdf: return ("MEDIA_UNLOCK");
 590                 case 0xe0: return ("STANDBY_IMMEDIATE");
 591                 case 0xe1: return ("IDLE_IMMEDIATE");
 592                 case 0xe2: return ("STANDBY");
 593                 case 0xe3: return ("IDLE");
 594                 case 0xe4: return ("READ_BUFFER/PM");
 595                 case 0xe5: return ("CHECK_POWER_MODE");
 596                 case 0xe6: return ("SLEEP");
 597                 case 0xe7: return ("FLUSHCACHE");
 598                 case 0xe8: return ("WRITE_PM");
 599                 case 0xea: return ("FLUSHCACHE48");
 600                 case 0xec: return ("ATA_IDENTIFY");
 601                 case 0xed: return ("MEDIA_EJECT");
 602                 case 0xef:
 603                         switch (request->u.ata.feature) {
 604                         case 0x03: return ("SETFEATURES SET TRANSFER MODE");
 605                         case 0x02: return ("SETFEATURES ENABLE WCACHE");
 606                         case 0x82: return ("SETFEATURES DISABLE WCACHE");
 607                         case 0x06: return ("SETFEATURES ENABLE PUIS");
 608                         case 0x86: return ("SETFEATURES DISABLE PUIS");
 609                         case 0x07: return ("SETFEATURES SPIN-UP");
 610                         case 0x10: return ("SETFEATURES ENABLE SATA FEATURE");
 611                         case 0x90: return ("SETFEATURES DISABLE SATA FEATURE");
 612                         case 0xaa: return ("SETFEATURES ENABLE RCACHE");
 613                         case 0x55: return ("SETFEATURES DISABLE RCACHE");
 614                         case 0x5d: return ("SETFEATURES ENABLE RELIRQ");
 615                         case 0xdd: return ("SETFEATURES DISABLE RELIRQ");
 616                         case 0x5e: return ("SETFEATURES ENABLE SRVIRQ");
 617                         case 0xde: return ("SETFEATURES DISABLE SRVIRQ");
 618                         }
 619                         return "SETFEATURES";
 620                 case 0xf1: return ("SECURITY_SET_PASSWORD");
 621                 case 0xf2: return ("SECURITY_UNLOCK");
 622                 case 0xf3: return ("SECURITY_ERASE_PREPARE");
 623                 case 0xf4: return ("SECURITY_ERASE_UNIT");
 624                 case 0xf5: return ("SECURITY_FREEZE_LOCK");
 625                 case 0xf6: return ("SECURITY_DISABLE_PASSWORD");
 626                 case 0xf8: return ("READ_NATIVE_MAX_ADDRESS");
 627                 case 0xf9: return ("SET_MAX_ADDRESS");
 628                 }
 629         }
 630         sprintf(buffer, "unknown CMD (0x%02x)", request->u.ata.command);
 631         return (buffer);
 632 }
 633
 634 const char *
 635 ata_mode2str(int mode)
 636 {
 637     switch (mode) {
 638     case -1: return "UNSUPPORTED";
 639     case ATA_PIO0: return "PIO0";
 640     case ATA_PIO1: return "PIO1";
 641     case ATA_PIO2: return "PIO2";
 642     case ATA_PIO3: return "PIO3";
 643     case ATA_PIO4: return "PIO4";
 644     case ATA_WDMA0: return "WDMA0";
 645     case ATA_WDMA1: return "WDMA1";
 646     case ATA_WDMA2: return "WDMA2";
 647     case ATA_UDMA0: return "UDMA16";
 648     case ATA_UDMA1: return "UDMA25";
 649     case ATA_UDMA2: return "UDMA33";
 650     case ATA_UDMA3: return "UDMA40";
 651     case ATA_UDMA4: return "UDMA66";
 652     case ATA_UDMA5: return "UDMA100";
 653     case ATA_UDMA6: return "UDMA133";
 654     case ATA_SA150: return "SATA150";
 655     case ATA_SA300: return "SATA300";
 656     case ATA_SA600: return "SATA600";
 657     default:
 658         if (mode & ATA_DMA_MASK)
 659             return "BIOSDMA";
 660         else
 661             return "BIOSPIO";
 662     }
 663 }
 664
 665 static int
 666 ata_str2mode(const char *str)
 667 {
 668
 669         if (!strcasecmp(str, "PIO0")) return (ATA_PIO0);
 670         if (!strcasecmp(str, "PIO1")) return (ATA_PIO1);
 671         if (!strcasecmp(str, "PIO2")) return (ATA_PIO2);
 672         if (!strcasecmp(str, "PIO3")) return (ATA_PIO3);
 673         if (!strcasecmp(str, "PIO4")) return (ATA_PIO4);
 674         if (!strcasecmp(str, "WDMA0")) return (ATA_WDMA0);
 675         if (!strcasecmp(str, "WDMA1")) return (ATA_WDMA1);
 676         if (!strcasecmp(str, "WDMA2")) return (ATA_WDMA2);
 677         if (!strcasecmp(str, "UDMA0")) return (ATA_UDMA0);
 678         if (!strcasecmp(str, "UDMA16")) return (ATA_UDMA0);
 679         if (!strcasecmp(str, "UDMA1")) return (ATA_UDMA1);
 680         if (!strcasecmp(str, "UDMA25")) return (ATA_UDMA1);
 681         if (!strcasecmp(str, "UDMA2")) return (ATA_UDMA2);
 682         if (!strcasecmp(str, "UDMA33")) return (ATA_UDMA2);
 683         if (!strcasecmp(str, "UDMA3")) return (ATA_UDMA3);
 684         if (!strcasecmp(str, "UDMA44")) return (ATA_UDMA3);
 685         if (!strcasecmp(str, "UDMA4")) return (ATA_UDMA4);
 686         if (!strcasecmp(str, "UDMA66")) return (ATA_UDMA4);
 687         if (!strcasecmp(str, "UDMA5")) return (ATA_UDMA5);
 688         if (!strcasecmp(str, "UDMA100")) return (ATA_UDMA5);
 689         if (!strcasecmp(str, "UDMA6")) return (ATA_UDMA6);
 690         if (!strcasecmp(str, "UDMA133")) return (ATA_UDMA6);
 691         return (-1);
 692 }
 693
 694 int
 695 ata_atapi(device_t dev, int target)
 696 {
 697     struct ata_channel *ch = device_get_softc(dev);
 698
 699     return (ch->devices & (ATA_ATAPI_MASTER << target));
 700 }
 701
 702 void
 703 ata_timeout(struct ata_request *request)
 704 {
 705         struct ata_channel *ch;
 706
 707         ch = device_get_softc(request->parent);
 708         //request->flags |= ATA_R_DEBUG;
 709         ATA_DEBUG_RQ(request, "timeout");
 710
 711         /*
 712          * If we have an ATA_ACTIVE request running, we flag the request
 713          * ATA_R_TIMEOUT so ata_cam_end_transaction() will handle it correctly.
 714          * Also, NULL out the running request so we wont loose the race with
 715          * an eventual interrupt arriving late.
 716          */
 717         if (ch->state == ATA_ACTIVE) {
 718                 request->flags |= ATA_R_TIMEOUT;
 719                 if (ch->dma.unload)
 720                         ch->dma.unload(request);
 721                 ch->running = NULL;
 722                 ch->state = ATA_IDLE;
 723                 ata_cam_end_transaction(ch->dev, request);
 724         }
 725         mtx_unlock(&ch->state_mtx);
 726 }
 727
 728 static void
 729 ata_cam_begin_transaction(device_t dev, union ccb *ccb)
 730 {
 731         struct ata_channel *ch = device_get_softc(dev);
 732         struct ata_request *request;
 733
 734         request = &ch->request;
 735         bzero(request, sizeof(*request));
 736
 737         /* setup request */
 738         request->dev = NULL;
 739         request->parent = dev;
 740         request->unit = ccb->ccb_h.target_id;
 741         if (ccb->ccb_h.func_code == XPT_ATA_IO) {
 742                 request->data = ccb->ataio.data_ptr;
 743                 request->bytecount = ccb->ataio.dxfer_len;
 744                 request->u.ata.command = ccb->ataio.cmd.command;
 745                 request->u.ata.feature = ((uint16_t)ccb->ataio.cmd.features_exp << 8) |
 746                                           (uint16_t)ccb->ataio.cmd.features;
 747                 request->u.ata.count = ((uint16_t)ccb->ataio.cmd.sector_count_exp << 8) |
 748                                         (uint16_t)ccb->ataio.cmd.sector_count;
 749                 if (ccb->ataio.cmd.flags & CAM_ATAIO_48BIT) {
 750                         request->flags |= ATA_R_48BIT;
 751                         request->u.ata.lba =
 752                                      ((uint64_t)ccb->ataio.cmd.lba_high_exp << 40) |
 753                                      ((uint64_t)ccb->ataio.cmd.lba_mid_exp << 32) |
 754                                      ((uint64_t)ccb->ataio.cmd.lba_low_exp << 24);
 755                 } else {
 756                         request->u.ata.lba =
 757                                      ((uint64_t)(ccb->ataio.cmd.device & 0x0f) << 24);
 758                 }
 759                 request->u.ata.lba |= ((uint64_t)ccb->ataio.cmd.lba_high << 16) |
 760                                       ((uint64_t)ccb->ataio.cmd.lba_mid << 8) |
 761                                        (uint64_t)ccb->ataio.cmd.lba_low;
 762                 if (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)
 763                         request->flags |= ATA_R_NEEDRESULT;
 764                 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE &&
 765                     ccb->ataio.cmd.flags & CAM_ATAIO_DMA)
 766                         request->flags |= ATA_R_DMA;
 767                 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
 768                         request->flags |= ATA_R_READ;
 769                 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
 770                         request->flags |= ATA_R_WRITE;
 771                 if (ccb->ataio.cmd.command == ATA_READ_MUL ||
 772                     ccb->ataio.cmd.command == ATA_READ_MUL48 ||
 773                     ccb->ataio.cmd.command == ATA_WRITE_MUL ||
 774                     ccb->ataio.cmd.command == ATA_WRITE_MUL48) {
 775                         request->transfersize = min(request->bytecount,
 776                             ch->curr[ccb->ccb_h.target_id].bytecount);
 777                 } else
 778                         request->transfersize = min(request->bytecount, 512);
 779         } else {
 780                 request->data = ccb->csio.data_ptr;
 781                 request->bytecount = ccb->csio.dxfer_len;
 782                 bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
 783                     ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes,
 784                     request->u.atapi.ccb, ccb->csio.cdb_len);
 785                 request->flags |= ATA_R_ATAPI;
 786                 if (ch->curr[ccb->ccb_h.target_id].atapi == 16)
 787                         request->flags |= ATA_R_ATAPI16;
 788                 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE &&
 789                     ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA)
 790                         request->flags |= ATA_R_DMA;
 791                 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
 792                         request->flags |= ATA_R_READ;
 793                 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
 794                         request->flags |= ATA_R_WRITE;
 795                 request->transfersize = min(request->bytecount,
 796                     ch->curr[ccb->ccb_h.target_id].bytecount);
 797         }
 798         request->retries = 0;
 799         request->timeout = (ccb->ccb_h.timeout + 999) / 1000;
 800         callout_init_mtx(&request->callout, &ch->state_mtx, CALLOUT_RETURNUNLOCKED);
 801         request->ccb = ccb;
 802         request->flags |= ATA_R_DATA_IN_CCB;
 803
 804         ch->running = request;
 805         ch->state = ATA_ACTIVE;
 806         if (ch->hw.begin_transaction(request) == ATA_OP_FINISHED) {
 807             ch->running = NULL;
 808             ch->state = ATA_IDLE;
 809             ata_cam_end_transaction(dev, request);
 810             return;
 811         }
 812 }
 813
 814 static void
 815 ata_cam_request_sense(device_t dev, struct ata_request *request)
 816 {
 817         struct ata_channel *ch = device_get_softc(dev);
 818         union ccb *ccb = request->ccb;
 819
 820         ch->requestsense = 1;
 821
 822         bzero(request, sizeof(*request));
 823         request->dev = NULL;
 824         request->parent = dev;
 825         request->unit = ccb->ccb_h.target_id;
 826         request->data = (void *)&ccb->csio.sense_data;
 827         request->bytecount = ccb->csio.sense_len;
 828         request->u.atapi.ccb[0] = ATAPI_REQUEST_SENSE;
 829         request->u.atapi.ccb[4] = ccb->csio.sense_len;
 830         request->flags |= ATA_R_ATAPI;
 831         if (ch->curr[ccb->ccb_h.target_id].atapi == 16)
 832                 request->flags |= ATA_R_ATAPI16;
 833         if (ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA)
 834                 request->flags |= ATA_R_DMA;
 835         request->flags |= ATA_R_READ;
 836         request->transfersize = min(request->bytecount,
 837             ch->curr[ccb->ccb_h.target_id].bytecount);
 838         request->retries = 0;
 839         request->timeout = (ccb->ccb_h.timeout + 999) / 1000;
 840         callout_init_mtx(&request->callout, &ch->state_mtx, CALLOUT_RETURNUNLOCKED);
 841         request->ccb = ccb;
 842
 843         ch->running = request;
 844         ch->state = ATA_ACTIVE;
 845         if (ch->hw.begin_transaction(request) == ATA_OP_FINISHED) {
 846                 ch->running = NULL;
 847                 ch->state = ATA_IDLE;
 848                 ata_cam_end_transaction(dev, request);
 849                 return;
 850         }
 851 }
 852
 853 static void
 854 ata_cam_process_sense(device_t dev, struct ata_request *request)
 855 {
 856         struct ata_channel *ch = device_get_softc(dev);
 857         union ccb *ccb = request->ccb;
 858         int fatalerr = 0;
 859
 860         ch->requestsense = 0;
 861
 862         if (request->flags & ATA_R_TIMEOUT)
 863                 fatalerr = 1;
 864         if ((request->flags & ATA_R_TIMEOUT) == 0 &&
 865             (request->status & ATA_S_ERROR) == 0 &&
 866             request->result == 0) {
 867                 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
 868         } else {
 869                 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
 870                 ccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
 871         }
 872
 873         xpt_done(ccb);
 874         /* Do error recovery if needed. */
 875         if (fatalerr)
 876                 ata_reinit(dev);
 877 }
 878
 879 static void
 880 ata_cam_end_transaction(device_t dev, struct ata_request *request)
 881 {
 882         struct ata_channel *ch = device_get_softc(dev);
 883         union ccb *ccb = request->ccb;
 884         int fatalerr = 0;
 885
 886         if (ch->requestsense) {
 887                 ata_cam_process_sense(dev, request);
 888                 return;
 889         }
 890
 891         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
 892         if (request->flags & ATA_R_TIMEOUT) {
 893                 xpt_freeze_simq(ch->sim, 1);
 894                 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
 895                 ccb->ccb_h.status |= CAM_CMD_TIMEOUT | CAM_RELEASE_SIMQ;
 896                 fatalerr = 1;
 897         } else if (request->status & ATA_S_ERROR) {
 898                 if (ccb->ccb_h.func_code == XPT_ATA_IO) {
 899                         ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR;
 900                 } else {
 901                         ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
 902                         ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
 903                 }
 904         } else if (request->result == ERESTART)
 905                 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
 906         else if (request->result != 0)
 907                 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
 908         else
 909                 ccb->ccb_h.status |= CAM_REQ_CMP;
 910         if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP &&
 911             !(ccb->ccb_h.status & CAM_DEV_QFRZN)) {
 912                 xpt_freeze_devq(ccb->ccb_h.path, 1);
 913                 ccb->ccb_h.status |= CAM_DEV_QFRZN;
 914         }
 915         if (ccb->ccb_h.func_code == XPT_ATA_IO &&
 916             ((request->status & ATA_S_ERROR) ||
 917             (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT))) {
 918                 struct ata_res *res = &ccb->ataio.res;
 919                 res->status = request->status;
 920                 res->error = request->error;
 921                 res->lba_low = request->u.ata.lba;
 922                 res->lba_mid = request->u.ata.lba >> 8;
 923                 res->lba_high = request->u.ata.lba >> 16;
 924                 res->device = request->u.ata.lba >> 24;
 925                 res->lba_low_exp = request->u.ata.lba >> 24;
 926                 res->lba_mid_exp = request->u.ata.lba >> 32;
 927                 res->lba_high_exp = request->u.ata.lba >> 40;
 928                 res->sector_count = request->u.ata.count;
 929                 res->sector_count_exp = request->u.ata.count >> 8;
 930         }
 931         if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
 932                 if (ccb->ccb_h.func_code == XPT_ATA_IO) {
 933                         ccb->ataio.resid =
 934                             ccb->ataio.dxfer_len - request->donecount;
 935                 } else {
 936                         ccb->csio.resid =
 937                             ccb->csio.dxfer_len - request->donecount;
 938                 }
 939         }
 940         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR &&
 941             (ccb->ccb_h.flags & CAM_DIS_AUTOSENSE) == 0)
 942                 ata_cam_request_sense(dev, request);
 943         else
 944                 xpt_done(ccb);
 945         /* Do error recovery if needed. */
 946         if (fatalerr)
 947                 ata_reinit(dev);
 948 }
 949
 950 static int
 951 ata_check_ids(device_t dev, union ccb *ccb)
 952 {
 953         struct ata_channel *ch = device_get_softc(dev);
 954
 955         if (ccb->ccb_h.target_id > ((ch->flags & ATA_NO_SLAVE) ? 0 : 1)) {
 956                 ccb->ccb_h.status = CAM_TID_INVALID;
 957                 xpt_done(ccb);
 958                 return (-1);
 959         }
 960         if (ccb->ccb_h.target_lun != 0) {
 961                 ccb->ccb_h.status = CAM_LUN_INVALID;
 962                 xpt_done(ccb);
 963                 return (-1);
 964         }
 965         /*
 966          * It's a programming error to see AUXILIARY register requests.
 967          */
 968         KASSERT(ccb->ccb_h.func_code != XPT_ATA_IO ||
 969             ((ccb->ataio.ata_flags & ATA_FLAG_AUX) == 0),
 970             ("AUX register unsupported"));
 971         return (0);
 972 }
 973
 974 static void
 975 ataaction(struct cam_sim *sim, union ccb *ccb)
 976 {
 977         device_t dev, parent;
 978         struct ata_channel *ch;
 979
 980         CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ataaction func_code=%x\n",
 981             ccb->ccb_h.func_code));
 982
 983         ch = (struct ata_channel *)cam_sim_softc(sim);
 984         dev = ch->dev;
 985         switch (ccb->ccb_h.func_code) {
 986         /* Common cases first */
 987         case XPT_ATA_IO:        /* Execute the requested I/O operation */
 988         case XPT_SCSI_IO:
 989                 if (ata_check_ids(dev, ccb))
 990                         return;
 991                 if ((ch->devices & ((ATA_ATA_MASTER | ATA_ATAPI_MASTER)
 992                     << ccb->ccb_h.target_id)) == 0) {
 993                         ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 994                         break;
 995                 }
 996                 if (ch->running)
 997                         device_printf(dev, "already running!\n");
 998                 if (ccb->ccb_h.func_code == XPT_ATA_IO &&
 999                     (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) &&
1000                     (ccb->ataio.cmd.control & ATA_A_RESET)) {
1001                         struct ata_res *res = &ccb->ataio.res;
1002
1003                         bzero(res, sizeof(*res));
1004                         if (ch->devices & (ATA_ATA_MASTER << ccb->ccb_h.target_id)) {
1005                                 res->lba_high = 0;
1006                                 res->lba_mid = 0;
1007                         } else {
1008                                 res->lba_high = 0xeb;
1009                                 res->lba_mid = 0x14;
1010                         }
1011                         ccb->ccb_h.status = CAM_REQ_CMP;
1012                         break;
1013                 }
1014                 ata_cam_begin_transaction(dev, ccb);
1015                 return;
1016         case XPT_EN_LUN:                /* Enable LUN as a target */
1017         case XPT_TARGET_IO:             /* Execute target I/O request */
1018         case XPT_ACCEPT_TARGET_IO:      /* Accept Host Target Mode CDB */
1019         case XPT_CONT_TARGET_IO:        /* Continue Host Target I/O Connection*/
1020         case XPT_ABORT:                 /* Abort the specified CCB */
1021                 /* XXX Implement */
1022                 ccb->ccb_h.status = CAM_REQ_INVALID;
1023                 break;
1024         case XPT_SET_TRAN_SETTINGS:
1025         {
1026                 struct  ccb_trans_settings *cts = &ccb->cts;
1027                 struct  ata_cam_device *d;
1028
1029                 if (ata_check_ids(dev, ccb))
1030                         return;
1031                 if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
1032                         d = &ch->curr[ccb->ccb_h.target_id];
1033                 else
1034                         d = &ch->user[ccb->ccb_h.target_id];
1035                 if (ch->flags & ATA_SATA) {
1036                         if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION)
1037                                 d->revision = cts->xport_specific.sata.revision;
1038                         if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE) {
1039                                 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
1040                                         d->mode = ATA_SETMODE(ch->dev,
1041                                             ccb->ccb_h.target_id,
1042                                             cts->xport_specific.sata.mode);
1043                                 } else
1044                                         d->mode = cts->xport_specific.sata.mode;
1045                         }
1046                         if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT)
1047                                 d->bytecount = min(8192, cts->xport_specific.sata.bytecount);
1048                         if (cts->xport_specific.sata.valid & CTS_SATA_VALID_ATAPI)
1049                                 d->atapi = cts->xport_specific.sata.atapi;
1050                         if (cts->xport_specific.sata.valid & CTS_SATA_VALID_CAPS)
1051                                 d->caps = cts->xport_specific.sata.caps;
1052                 } else {
1053                         if (cts->xport_specific.ata.valid & CTS_ATA_VALID_MODE) {
1054                                 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
1055                                         d->mode = ATA_SETMODE(ch->dev,
1056                                             ccb->ccb_h.target_id,
1057                                             cts->xport_specific.ata.mode);
1058                                 } else
1059                                         d->mode = cts->xport_specific.ata.mode;
1060                         }
1061                         if (cts->xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT)
1062                                 d->bytecount = cts->xport_specific.ata.bytecount;
1063                         if (cts->xport_specific.ata.valid & CTS_ATA_VALID_ATAPI)
1064                                 d->atapi = cts->xport_specific.ata.atapi;
1065                         if (cts->xport_specific.ata.valid & CTS_ATA_VALID_CAPS)
1066                                 d->caps = cts->xport_specific.ata.caps;
1067                 }
1068                 ccb->ccb_h.status = CAM_REQ_CMP;
1069                 break;
1070         }
1071         case XPT_GET_TRAN_SETTINGS:
1072         {
1073                 struct  ccb_trans_settings *cts = &ccb->cts;
1074                 struct  ata_cam_device *d;
1075
1076                 if (ata_check_ids(dev, ccb))
1077                         return;
1078                 if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
1079                         d = &ch->curr[ccb->ccb_h.target_id];
1080                 else
1081                         d = &ch->user[ccb->ccb_h.target_id];
1082                 cts->protocol = PROTO_UNSPECIFIED;
1083                 cts->protocol_version = PROTO_VERSION_UNSPECIFIED;
1084                 if (ch->flags & ATA_SATA) {
1085                         cts->transport = XPORT_SATA;
1086                         cts->transport_version = XPORT_VERSION_UNSPECIFIED;
1087                         cts->xport_specific.sata.valid = 0;
1088                         cts->xport_specific.sata.mode = d->mode;
1089                         cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE;
1090                         cts->xport_specific.sata.bytecount = d->bytecount;
1091                         cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT;
1092                         if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
1093                                 cts->xport_specific.sata.revision =
1094                                     ATA_GETREV(dev, ccb->ccb_h.target_id);
1095                                 if (cts->xport_specific.sata.revision != 0xff) {
1096                                         cts->xport_specific.sata.valid |=
1097                                             CTS_SATA_VALID_REVISION;
1098                                 }
1099                                 cts->xport_specific.sata.caps =
1100                                     d->caps & CTS_SATA_CAPS_D;
1101                                 if (ch->pm_level) {
1102                                         cts->xport_specific.sata.caps |=
1103                                             CTS_SATA_CAPS_H_PMREQ;
1104                                 }
1105                                 cts->xport_specific.sata.caps &=
1106                                     ch->user[ccb->ccb_h.target_id].caps;
1107                         } else {
1108                                 cts->xport_specific.sata.revision = d->revision;
1109                                 cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION;
1110                                 cts->xport_specific.sata.caps = d->caps;
1111                         }
1112                         cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS;
1113                         cts->xport_specific.sata.atapi = d->atapi;
1114                         cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI;
1115                 } else {
1116                         cts->transport = XPORT_ATA;
1117                         cts->transport_version = XPORT_VERSION_UNSPECIFIED;
1118                         cts->xport_specific.ata.valid = 0;
1119                         cts->xport_specific.ata.mode = d->mode;
1120                         cts->xport_specific.ata.valid |= CTS_ATA_VALID_MODE;
1121                         cts->xport_specific.ata.bytecount = d->bytecount;
1122                         cts->xport_specific.ata.valid |= CTS_ATA_VALID_BYTECOUNT;
1123                         if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
1124                                 cts->xport_specific.ata.caps =
1125                                     d->caps & CTS_ATA_CAPS_D;
1126                                 if (!(ch->flags & ATA_NO_48BIT_DMA))
1127                                         cts->xport_specific.ata.caps |=
1128                                             CTS_ATA_CAPS_H_DMA48;
1129                                 cts->xport_specific.ata.caps &=
1130                                     ch->user[ccb->ccb_h.target_id].caps;
1131                         } else
1132                                 cts->xport_specific.ata.caps = d->caps;
1133                         cts->xport_specific.ata.valid |= CTS_ATA_VALID_CAPS;
1134                         cts->xport_specific.ata.atapi = d->atapi;
1135                         cts->xport_specific.ata.valid |= CTS_ATA_VALID_ATAPI;
1136                 }
1137                 ccb->ccb_h.status = CAM_REQ_CMP;
1138                 break;
1139         }
1140         case XPT_RESET_BUS:             /* Reset the specified SCSI bus */
1141         case XPT_RESET_DEV:     /* Bus Device Reset the specified SCSI device */
1142                 ata_reinit(dev);
1143                 ccb->ccb_h.status = CAM_REQ_CMP;
1144                 break;
1145         case XPT_TERM_IO:               /* Terminate the I/O process */
1146                 /* XXX Implement */
1147                 ccb->ccb_h.status = CAM_REQ_INVALID;
1148                 break;
1149         case XPT_PATH_INQ:              /* Path routing inquiry */
1150         {
1151                 struct ccb_pathinq *cpi = &ccb->cpi;
1152
1153                 parent = device_get_parent(dev);
1154                 cpi->version_num = 1; /* XXX??? */
1155                 cpi->hba_inquiry = PI_SDTR_ABLE;
1156                 cpi->target_sprt = 0;
1157                 cpi->hba_misc = PIM_SEQSCAN | PIM_UNMAPPED;
1158                 cpi->hba_eng_cnt = 0;
1159                 if (ch->flags & ATA_NO_SLAVE)
1160                         cpi->max_target = 0;
1161                 else
1162                         cpi->max_target = 1;
1163                 cpi->max_lun = 0;
1164                 cpi->initiator_id = 0;
1165                 cpi->bus_id = cam_sim_bus(sim);
1166                 if (ch->flags & ATA_SATA)
1167                         cpi->base_transfer_speed = 150000;
1168                 else
1169                         cpi->base_transfer_speed = 3300;
1170                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1171                 strncpy(cpi->hba_vid, "ATA", HBA_IDLEN);
1172                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1173                 cpi->unit_number = cam_sim_unit(sim);
1174                 if (ch->flags & ATA_SATA)
1175                         cpi->transport = XPORT_SATA;
1176                 else
1177                         cpi->transport = XPORT_ATA;
1178                 cpi->transport_version = XPORT_VERSION_UNSPECIFIED;
1179                 cpi->protocol = PROTO_ATA;
1180                 cpi->protocol_version = PROTO_VERSION_UNSPECIFIED;
1181                 cpi->maxio = ch->dma.max_iosize ? ch->dma.max_iosize : DFLTPHYS;
1182                 if (device_get_devclass(device_get_parent(parent)) ==
1183                     devclass_find("pci")) {
1184                         cpi->hba_vendor = pci_get_vendor(parent);
1185                         cpi->hba_device = pci_get_device(parent);
1186                         cpi->hba_subvendor = pci_get_subvendor(parent);
1187                         cpi->hba_subdevice = pci_get_subdevice(parent);
1188                 }
1189                 cpi->ccb_h.status = CAM_REQ_CMP;
1190                 break;
1191         }
1192         default:
1193                 ccb->ccb_h.status = CAM_REQ_INVALID;
1194                 break;
1195         }
1196         xpt_done(ccb);
1197 }
1198
1199 static void
1200 atapoll(struct cam_sim *sim)
1201 {
1202         struct ata_channel *ch = (struct ata_channel *)cam_sim_softc(sim);
1203
1204         ata_interrupt_locked(ch);
1205 }
1206
1207 /*
1208  * module handeling
1209  */
1210 static int
1211 ata_module_event_handler(module_t mod, int what, void *arg)
1212 {
1213
1214     switch (what) {
1215     case MOD_LOAD:
1216         return 0;
1217
1218     case MOD_UNLOAD:
1219         return 0;
1220
1221     default:
1222         return EOPNOTSUPP;
1223     }
1224 }
1225
1226 static moduledata_t ata_moduledata = { "ata", ata_module_event_handler, NULL };
1227 DECLARE_MODULE(ata, ata_moduledata, SI_SUB_CONFIGURE, SI_ORDER_SECOND);
1228 MODULE_VERSION(ata, 1);
1229 MODULE_DEPEND(ata, cam, 1, 1, 1);