root / hw / scsi-bus.c @ a5e3d9ef
History | View | Annotate | Download (15 kB)
| 1 |
#include "hw.h" |
|---|---|
| 2 |
#include "qemu-error.h" |
| 3 |
#include "scsi.h" |
| 4 |
#include "scsi-defs.h" |
| 5 |
#include "qdev.h" |
| 6 |
#include "blockdev.h" |
| 7 |
|
| 8 |
static struct BusInfo scsi_bus_info = { |
| 9 |
.name = "SCSI",
|
| 10 |
.size = sizeof(SCSIBus),
|
| 11 |
.props = (Property[]) {
|
| 12 |
DEFINE_PROP_UINT32("scsi-id", SCSIDevice, id, -1), |
| 13 |
DEFINE_PROP_END_OF_LIST(), |
| 14 |
}, |
| 15 |
}; |
| 16 |
static int next_scsi_bus; |
| 17 |
|
| 18 |
/* Create a scsi bus, and attach devices to it. */
|
| 19 |
void scsi_bus_new(SCSIBus *bus, DeviceState *host, int tcq, int ndev, |
| 20 |
scsi_completionfn complete) |
| 21 |
{
|
| 22 |
qbus_create_inplace(&bus->qbus, &scsi_bus_info, host, NULL);
|
| 23 |
bus->busnr = next_scsi_bus++; |
| 24 |
bus->tcq = tcq; |
| 25 |
bus->ndev = ndev; |
| 26 |
bus->complete = complete; |
| 27 |
bus->qbus.allow_hotplug = 1;
|
| 28 |
} |
| 29 |
|
| 30 |
static int scsi_qdev_init(DeviceState *qdev, DeviceInfo *base) |
| 31 |
{
|
| 32 |
SCSIDevice *dev = DO_UPCAST(SCSIDevice, qdev, qdev); |
| 33 |
SCSIDeviceInfo *info = DO_UPCAST(SCSIDeviceInfo, qdev, base); |
| 34 |
SCSIBus *bus = DO_UPCAST(SCSIBus, qbus, dev->qdev.parent_bus); |
| 35 |
int rc = -1; |
| 36 |
|
| 37 |
if (dev->id == -1) { |
| 38 |
for (dev->id = 0; dev->id < bus->ndev; dev->id++) { |
| 39 |
if (bus->devs[dev->id] == NULL) |
| 40 |
break;
|
| 41 |
} |
| 42 |
} |
| 43 |
if (dev->id >= bus->ndev) {
|
| 44 |
error_report("bad scsi device id: %d", dev->id);
|
| 45 |
goto err;
|
| 46 |
} |
| 47 |
|
| 48 |
if (bus->devs[dev->id]) {
|
| 49 |
qdev_free(&bus->devs[dev->id]->qdev); |
| 50 |
} |
| 51 |
bus->devs[dev->id] = dev; |
| 52 |
|
| 53 |
dev->info = info; |
| 54 |
QTAILQ_INIT(&dev->requests); |
| 55 |
rc = dev->info->init(dev); |
| 56 |
if (rc != 0) { |
| 57 |
bus->devs[dev->id] = NULL;
|
| 58 |
} |
| 59 |
|
| 60 |
err:
|
| 61 |
return rc;
|
| 62 |
} |
| 63 |
|
| 64 |
static int scsi_qdev_exit(DeviceState *qdev) |
| 65 |
{
|
| 66 |
SCSIDevice *dev = DO_UPCAST(SCSIDevice, qdev, qdev); |
| 67 |
SCSIBus *bus = DO_UPCAST(SCSIBus, qbus, dev->qdev.parent_bus); |
| 68 |
|
| 69 |
assert(bus->devs[dev->id] != NULL);
|
| 70 |
if (bus->devs[dev->id]->info->destroy) {
|
| 71 |
bus->devs[dev->id]->info->destroy(bus->devs[dev->id]); |
| 72 |
} |
| 73 |
bus->devs[dev->id] = NULL;
|
| 74 |
return 0; |
| 75 |
} |
| 76 |
|
| 77 |
void scsi_qdev_register(SCSIDeviceInfo *info)
|
| 78 |
{
|
| 79 |
info->qdev.bus_info = &scsi_bus_info; |
| 80 |
info->qdev.init = scsi_qdev_init; |
| 81 |
info->qdev.unplug = qdev_simple_unplug_cb; |
| 82 |
info->qdev.exit = scsi_qdev_exit; |
| 83 |
qdev_register(&info->qdev); |
| 84 |
} |
| 85 |
|
| 86 |
/* handle legacy '-drive if=scsi,...' cmd line args */
|
| 87 |
SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv, int unit)
|
| 88 |
{
|
| 89 |
const char *driver; |
| 90 |
DeviceState *dev; |
| 91 |
|
| 92 |
driver = bdrv_is_sg(bdrv) ? "scsi-generic" : "scsi-disk"; |
| 93 |
dev = qdev_create(&bus->qbus, driver); |
| 94 |
qdev_prop_set_uint32(dev, "scsi-id", unit);
|
| 95 |
if (qdev_prop_set_drive(dev, "drive", bdrv) < 0) { |
| 96 |
qdev_free(dev); |
| 97 |
return NULL; |
| 98 |
} |
| 99 |
if (qdev_init(dev) < 0) |
| 100 |
return NULL; |
| 101 |
return DO_UPCAST(SCSIDevice, qdev, dev);
|
| 102 |
} |
| 103 |
|
| 104 |
int scsi_bus_legacy_handle_cmdline(SCSIBus *bus)
|
| 105 |
{
|
| 106 |
Location loc; |
| 107 |
DriveInfo *dinfo; |
| 108 |
int res = 0, unit; |
| 109 |
|
| 110 |
loc_push_none(&loc); |
| 111 |
for (unit = 0; unit < MAX_SCSI_DEVS; unit++) { |
| 112 |
dinfo = drive_get(IF_SCSI, bus->busnr, unit); |
| 113 |
if (dinfo == NULL) { |
| 114 |
continue;
|
| 115 |
} |
| 116 |
qemu_opts_loc_restore(dinfo->opts); |
| 117 |
if (!scsi_bus_legacy_add_drive(bus, dinfo->bdrv, unit)) {
|
| 118 |
res = -1;
|
| 119 |
break;
|
| 120 |
} |
| 121 |
} |
| 122 |
loc_pop(&loc); |
| 123 |
return res;
|
| 124 |
} |
| 125 |
|
| 126 |
void scsi_dev_clear_sense(SCSIDevice *dev)
|
| 127 |
{
|
| 128 |
memset(&dev->sense, 0, sizeof(dev->sense)); |
| 129 |
} |
| 130 |
|
| 131 |
void scsi_dev_set_sense(SCSIDevice *dev, uint8_t key)
|
| 132 |
{
|
| 133 |
dev->sense.key = key; |
| 134 |
} |
| 135 |
|
| 136 |
SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t lun) |
| 137 |
{
|
| 138 |
SCSIRequest *req; |
| 139 |
|
| 140 |
req = qemu_mallocz(size); |
| 141 |
req->bus = scsi_bus_from_device(d); |
| 142 |
req->dev = d; |
| 143 |
req->tag = tag; |
| 144 |
req->lun = lun; |
| 145 |
req->status = -1;
|
| 146 |
req->enqueued = true;
|
| 147 |
QTAILQ_INSERT_TAIL(&d->requests, req, next); |
| 148 |
return req;
|
| 149 |
} |
| 150 |
|
| 151 |
SCSIRequest *scsi_req_find(SCSIDevice *d, uint32_t tag) |
| 152 |
{
|
| 153 |
SCSIRequest *req; |
| 154 |
|
| 155 |
QTAILQ_FOREACH(req, &d->requests, next) {
|
| 156 |
if (req->tag == tag) {
|
| 157 |
return req;
|
| 158 |
} |
| 159 |
} |
| 160 |
return NULL; |
| 161 |
} |
| 162 |
|
| 163 |
static void scsi_req_dequeue(SCSIRequest *req) |
| 164 |
{
|
| 165 |
if (req->enqueued) {
|
| 166 |
QTAILQ_REMOVE(&req->dev->requests, req, next); |
| 167 |
req->enqueued = false;
|
| 168 |
} |
| 169 |
} |
| 170 |
|
| 171 |
void scsi_req_free(SCSIRequest *req)
|
| 172 |
{
|
| 173 |
scsi_req_dequeue(req); |
| 174 |
qemu_free(req); |
| 175 |
} |
| 176 |
|
| 177 |
static int scsi_req_length(SCSIRequest *req, uint8_t *cmd) |
| 178 |
{
|
| 179 |
switch (cmd[0] >> 5) { |
| 180 |
case 0: |
| 181 |
req->cmd.xfer = cmd[4];
|
| 182 |
req->cmd.len = 6;
|
| 183 |
/* length 0 means 256 blocks */
|
| 184 |
if (req->cmd.xfer == 0) |
| 185 |
req->cmd.xfer = 256;
|
| 186 |
break;
|
| 187 |
case 1: |
| 188 |
case 2: |
| 189 |
req->cmd.xfer = cmd[8] | (cmd[7] << 8); |
| 190 |
req->cmd.len = 10;
|
| 191 |
break;
|
| 192 |
case 4: |
| 193 |
req->cmd.xfer = cmd[13] | (cmd[12] << 8) | (cmd[11] << 16) | (cmd[10] << 24); |
| 194 |
req->cmd.len = 16;
|
| 195 |
break;
|
| 196 |
case 5: |
| 197 |
req->cmd.xfer = cmd[9] | (cmd[8] << 8) | (cmd[7] << 16) | (cmd[6] << 24); |
| 198 |
req->cmd.len = 12;
|
| 199 |
break;
|
| 200 |
default:
|
| 201 |
return -1; |
| 202 |
} |
| 203 |
|
| 204 |
switch(cmd[0]) { |
| 205 |
case TEST_UNIT_READY:
|
| 206 |
case REZERO_UNIT:
|
| 207 |
case START_STOP:
|
| 208 |
case SEEK_6:
|
| 209 |
case WRITE_FILEMARKS:
|
| 210 |
case SPACE:
|
| 211 |
case RESERVE:
|
| 212 |
case RELEASE:
|
| 213 |
case ERASE:
|
| 214 |
case ALLOW_MEDIUM_REMOVAL:
|
| 215 |
case VERIFY:
|
| 216 |
case SEEK_10:
|
| 217 |
case SYNCHRONIZE_CACHE:
|
| 218 |
case LOCK_UNLOCK_CACHE:
|
| 219 |
case LOAD_UNLOAD:
|
| 220 |
case SET_CD_SPEED:
|
| 221 |
case SET_LIMITS:
|
| 222 |
case WRITE_LONG:
|
| 223 |
case MOVE_MEDIUM:
|
| 224 |
case UPDATE_BLOCK:
|
| 225 |
req->cmd.xfer = 0;
|
| 226 |
break;
|
| 227 |
case MODE_SENSE:
|
| 228 |
break;
|
| 229 |
case WRITE_SAME:
|
| 230 |
req->cmd.xfer = 1;
|
| 231 |
break;
|
| 232 |
case READ_CAPACITY:
|
| 233 |
req->cmd.xfer = 8;
|
| 234 |
break;
|
| 235 |
case READ_BLOCK_LIMITS:
|
| 236 |
req->cmd.xfer = 6;
|
| 237 |
break;
|
| 238 |
case READ_POSITION:
|
| 239 |
req->cmd.xfer = 20;
|
| 240 |
break;
|
| 241 |
case SEND_VOLUME_TAG:
|
| 242 |
req->cmd.xfer *= 40;
|
| 243 |
break;
|
| 244 |
case MEDIUM_SCAN:
|
| 245 |
req->cmd.xfer *= 8;
|
| 246 |
break;
|
| 247 |
case WRITE_10:
|
| 248 |
case WRITE_VERIFY:
|
| 249 |
case WRITE_6:
|
| 250 |
case WRITE_12:
|
| 251 |
case WRITE_VERIFY_12:
|
| 252 |
case WRITE_16:
|
| 253 |
case WRITE_VERIFY_16:
|
| 254 |
req->cmd.xfer *= req->dev->blocksize; |
| 255 |
break;
|
| 256 |
case READ_10:
|
| 257 |
case READ_6:
|
| 258 |
case READ_REVERSE:
|
| 259 |
case RECOVER_BUFFERED_DATA:
|
| 260 |
case READ_12:
|
| 261 |
case READ_16:
|
| 262 |
req->cmd.xfer *= req->dev->blocksize; |
| 263 |
break;
|
| 264 |
case INQUIRY:
|
| 265 |
req->cmd.xfer = cmd[4] | (cmd[3] << 8); |
| 266 |
break;
|
| 267 |
case MAINTENANCE_OUT:
|
| 268 |
case MAINTENANCE_IN:
|
| 269 |
if (req->dev->type == TYPE_ROM) {
|
| 270 |
/* GPCMD_REPORT_KEY and GPCMD_SEND_KEY from multi media commands */
|
| 271 |
req->cmd.xfer = cmd[9] | (cmd[8] << 8); |
| 272 |
} |
| 273 |
break;
|
| 274 |
} |
| 275 |
return 0; |
| 276 |
} |
| 277 |
|
| 278 |
static int scsi_req_stream_length(SCSIRequest *req, uint8_t *cmd) |
| 279 |
{
|
| 280 |
switch(cmd[0]) { |
| 281 |
/* stream commands */
|
| 282 |
case READ_6:
|
| 283 |
case READ_REVERSE:
|
| 284 |
case RECOVER_BUFFERED_DATA:
|
| 285 |
case WRITE_6:
|
| 286 |
req->cmd.len = 6;
|
| 287 |
req->cmd.xfer = cmd[4] | (cmd[3] << 8) | (cmd[2] << 16); |
| 288 |
if (cmd[1] & 0x01) /* fixed */ |
| 289 |
req->cmd.xfer *= req->dev->blocksize; |
| 290 |
break;
|
| 291 |
case REWIND:
|
| 292 |
case START_STOP:
|
| 293 |
req->cmd.len = 6;
|
| 294 |
req->cmd.xfer = 0;
|
| 295 |
break;
|
| 296 |
/* generic commands */
|
| 297 |
default:
|
| 298 |
return scsi_req_length(req, cmd);
|
| 299 |
} |
| 300 |
return 0; |
| 301 |
} |
| 302 |
|
| 303 |
static void scsi_req_xfer_mode(SCSIRequest *req) |
| 304 |
{
|
| 305 |
switch (req->cmd.buf[0]) { |
| 306 |
case WRITE_6:
|
| 307 |
case WRITE_10:
|
| 308 |
case WRITE_VERIFY:
|
| 309 |
case WRITE_12:
|
| 310 |
case WRITE_VERIFY_12:
|
| 311 |
case WRITE_16:
|
| 312 |
case WRITE_VERIFY_16:
|
| 313 |
case COPY:
|
| 314 |
case COPY_VERIFY:
|
| 315 |
case COMPARE:
|
| 316 |
case CHANGE_DEFINITION:
|
| 317 |
case LOG_SELECT:
|
| 318 |
case MODE_SELECT:
|
| 319 |
case MODE_SELECT_10:
|
| 320 |
case SEND_DIAGNOSTIC:
|
| 321 |
case WRITE_BUFFER:
|
| 322 |
case FORMAT_UNIT:
|
| 323 |
case REASSIGN_BLOCKS:
|
| 324 |
case SEARCH_EQUAL:
|
| 325 |
case SEARCH_HIGH:
|
| 326 |
case SEARCH_LOW:
|
| 327 |
case UPDATE_BLOCK:
|
| 328 |
case WRITE_LONG:
|
| 329 |
case WRITE_SAME:
|
| 330 |
case SEARCH_HIGH_12:
|
| 331 |
case SEARCH_EQUAL_12:
|
| 332 |
case SEARCH_LOW_12:
|
| 333 |
case SET_WINDOW:
|
| 334 |
case MEDIUM_SCAN:
|
| 335 |
case SEND_VOLUME_TAG:
|
| 336 |
case WRITE_LONG_2:
|
| 337 |
case PERSISTENT_RESERVE_OUT:
|
| 338 |
case MAINTENANCE_OUT:
|
| 339 |
req->cmd.mode = SCSI_XFER_TO_DEV; |
| 340 |
break;
|
| 341 |
default:
|
| 342 |
if (req->cmd.xfer)
|
| 343 |
req->cmd.mode = SCSI_XFER_FROM_DEV; |
| 344 |
else {
|
| 345 |
req->cmd.mode = SCSI_XFER_NONE; |
| 346 |
} |
| 347 |
break;
|
| 348 |
} |
| 349 |
} |
| 350 |
|
| 351 |
static uint64_t scsi_req_lba(SCSIRequest *req)
|
| 352 |
{
|
| 353 |
uint8_t *buf = req->cmd.buf; |
| 354 |
uint64_t lba; |
| 355 |
|
| 356 |
switch (buf[0] >> 5) { |
| 357 |
case 0: |
| 358 |
lba = (uint64_t) buf[3] | ((uint64_t) buf[2] << 8) | |
| 359 |
(((uint64_t) buf[1] & 0x1f) << 16); |
| 360 |
break;
|
| 361 |
case 1: |
| 362 |
case 2: |
| 363 |
lba = (uint64_t) buf[5] | ((uint64_t) buf[4] << 8) | |
| 364 |
((uint64_t) buf[3] << 16) | ((uint64_t) buf[2] << 24); |
| 365 |
break;
|
| 366 |
case 4: |
| 367 |
lba = (uint64_t) buf[9] | ((uint64_t) buf[8] << 8) | |
| 368 |
((uint64_t) buf[7] << 16) | ((uint64_t) buf[6] << 24) | |
| 369 |
((uint64_t) buf[5] << 32) | ((uint64_t) buf[4] << 40) | |
| 370 |
((uint64_t) buf[3] << 48) | ((uint64_t) buf[2] << 56); |
| 371 |
break;
|
| 372 |
case 5: |
| 373 |
lba = (uint64_t) buf[5] | ((uint64_t) buf[4] << 8) | |
| 374 |
((uint64_t) buf[3] << 16) | ((uint64_t) buf[2] << 24); |
| 375 |
break;
|
| 376 |
default:
|
| 377 |
lba = -1;
|
| 378 |
|
| 379 |
} |
| 380 |
return lba;
|
| 381 |
} |
| 382 |
|
| 383 |
int scsi_req_parse(SCSIRequest *req, uint8_t *buf)
|
| 384 |
{
|
| 385 |
int rc;
|
| 386 |
|
| 387 |
if (req->dev->type == TYPE_TAPE) {
|
| 388 |
rc = scsi_req_stream_length(req, buf); |
| 389 |
} else {
|
| 390 |
rc = scsi_req_length(req, buf); |
| 391 |
} |
| 392 |
if (rc != 0) |
| 393 |
return rc;
|
| 394 |
|
| 395 |
memcpy(req->cmd.buf, buf, req->cmd.len); |
| 396 |
scsi_req_xfer_mode(req); |
| 397 |
req->cmd.lba = scsi_req_lba(req); |
| 398 |
return 0; |
| 399 |
} |
| 400 |
|
| 401 |
static const char *scsi_command_name(uint8_t cmd) |
| 402 |
{
|
| 403 |
static const char *names[] = { |
| 404 |
[ TEST_UNIT_READY ] = "TEST_UNIT_READY",
|
| 405 |
[ REZERO_UNIT ] = "REZERO_UNIT",
|
| 406 |
/* REWIND and REZERO_UNIT use the same operation code */
|
| 407 |
[ REQUEST_SENSE ] = "REQUEST_SENSE",
|
| 408 |
[ FORMAT_UNIT ] = "FORMAT_UNIT",
|
| 409 |
[ READ_BLOCK_LIMITS ] = "READ_BLOCK_LIMITS",
|
| 410 |
[ REASSIGN_BLOCKS ] = "REASSIGN_BLOCKS",
|
| 411 |
[ READ_6 ] = "READ_6",
|
| 412 |
[ WRITE_6 ] = "WRITE_6",
|
| 413 |
[ SEEK_6 ] = "SEEK_6",
|
| 414 |
[ READ_REVERSE ] = "READ_REVERSE",
|
| 415 |
[ WRITE_FILEMARKS ] = "WRITE_FILEMARKS",
|
| 416 |
[ SPACE ] = "SPACE",
|
| 417 |
[ INQUIRY ] = "INQUIRY",
|
| 418 |
[ RECOVER_BUFFERED_DATA ] = "RECOVER_BUFFERED_DATA",
|
| 419 |
[ MAINTENANCE_IN ] = "MAINTENANCE_IN",
|
| 420 |
[ MAINTENANCE_OUT ] = "MAINTENANCE_OUT",
|
| 421 |
[ MODE_SELECT ] = "MODE_SELECT",
|
| 422 |
[ RESERVE ] = "RESERVE",
|
| 423 |
[ RELEASE ] = "RELEASE",
|
| 424 |
[ COPY ] = "COPY",
|
| 425 |
[ ERASE ] = "ERASE",
|
| 426 |
[ MODE_SENSE ] = "MODE_SENSE",
|
| 427 |
[ START_STOP ] = "START_STOP",
|
| 428 |
[ RECEIVE_DIAGNOSTIC ] = "RECEIVE_DIAGNOSTIC",
|
| 429 |
[ SEND_DIAGNOSTIC ] = "SEND_DIAGNOSTIC",
|
| 430 |
[ ALLOW_MEDIUM_REMOVAL ] = "ALLOW_MEDIUM_REMOVAL",
|
| 431 |
|
| 432 |
[ SET_WINDOW ] = "SET_WINDOW",
|
| 433 |
[ READ_CAPACITY ] = "READ_CAPACITY",
|
| 434 |
[ READ_10 ] = "READ_10",
|
| 435 |
[ WRITE_10 ] = "WRITE_10",
|
| 436 |
[ SEEK_10 ] = "SEEK_10",
|
| 437 |
[ WRITE_VERIFY ] = "WRITE_VERIFY",
|
| 438 |
[ VERIFY ] = "VERIFY",
|
| 439 |
[ SEARCH_HIGH ] = "SEARCH_HIGH",
|
| 440 |
[ SEARCH_EQUAL ] = "SEARCH_EQUAL",
|
| 441 |
[ SEARCH_LOW ] = "SEARCH_LOW",
|
| 442 |
[ SET_LIMITS ] = "SET_LIMITS",
|
| 443 |
[ PRE_FETCH ] = "PRE_FETCH",
|
| 444 |
/* READ_POSITION and PRE_FETCH use the same operation code */
|
| 445 |
[ SYNCHRONIZE_CACHE ] = "SYNCHRONIZE_CACHE",
|
| 446 |
[ LOCK_UNLOCK_CACHE ] = "LOCK_UNLOCK_CACHE",
|
| 447 |
[ READ_DEFECT_DATA ] = "READ_DEFECT_DATA",
|
| 448 |
[ MEDIUM_SCAN ] = "MEDIUM_SCAN",
|
| 449 |
[ COMPARE ] = "COMPARE",
|
| 450 |
[ COPY_VERIFY ] = "COPY_VERIFY",
|
| 451 |
[ WRITE_BUFFER ] = "WRITE_BUFFER",
|
| 452 |
[ READ_BUFFER ] = "READ_BUFFER",
|
| 453 |
[ UPDATE_BLOCK ] = "UPDATE_BLOCK",
|
| 454 |
[ READ_LONG ] = "READ_LONG",
|
| 455 |
[ WRITE_LONG ] = "WRITE_LONG",
|
| 456 |
[ CHANGE_DEFINITION ] = "CHANGE_DEFINITION",
|
| 457 |
[ WRITE_SAME ] = "WRITE_SAME",
|
| 458 |
[ READ_TOC ] = "READ_TOC",
|
| 459 |
[ LOG_SELECT ] = "LOG_SELECT",
|
| 460 |
[ LOG_SENSE ] = "LOG_SENSE",
|
| 461 |
[ MODE_SELECT_10 ] = "MODE_SELECT_10",
|
| 462 |
[ RESERVE_10 ] = "RESERVE_10",
|
| 463 |
[ RELEASE_10 ] = "RELEASE_10",
|
| 464 |
[ MODE_SENSE_10 ] = "MODE_SENSE_10",
|
| 465 |
[ PERSISTENT_RESERVE_IN ] = "PERSISTENT_RESERVE_IN",
|
| 466 |
[ PERSISTENT_RESERVE_OUT ] = "PERSISTENT_RESERVE_OUT",
|
| 467 |
[ MOVE_MEDIUM ] = "MOVE_MEDIUM",
|
| 468 |
[ READ_12 ] = "READ_12",
|
| 469 |
[ WRITE_12 ] = "WRITE_12",
|
| 470 |
[ WRITE_VERIFY_12 ] = "WRITE_VERIFY_12",
|
| 471 |
[ SEARCH_HIGH_12 ] = "SEARCH_HIGH_12",
|
| 472 |
[ SEARCH_EQUAL_12 ] = "SEARCH_EQUAL_12",
|
| 473 |
[ SEARCH_LOW_12 ] = "SEARCH_LOW_12",
|
| 474 |
[ READ_ELEMENT_STATUS ] = "READ_ELEMENT_STATUS",
|
| 475 |
[ SEND_VOLUME_TAG ] = "SEND_VOLUME_TAG",
|
| 476 |
[ WRITE_LONG_2 ] = "WRITE_LONG_2",
|
| 477 |
|
| 478 |
[ REPORT_DENSITY_SUPPORT ] = "REPORT_DENSITY_SUPPORT",
|
| 479 |
[ GET_CONFIGURATION ] = "GET_CONFIGURATION",
|
| 480 |
[ READ_16 ] = "READ_16",
|
| 481 |
[ WRITE_16 ] = "WRITE_16",
|
| 482 |
[ WRITE_VERIFY_16 ] = "WRITE_VERIFY_16",
|
| 483 |
[ SERVICE_ACTION_IN ] = "SERVICE_ACTION_IN",
|
| 484 |
[ REPORT_LUNS ] = "REPORT_LUNS",
|
| 485 |
[ LOAD_UNLOAD ] = "LOAD_UNLOAD",
|
| 486 |
[ SET_CD_SPEED ] = "SET_CD_SPEED",
|
| 487 |
[ BLANK ] = "BLANK",
|
| 488 |
}; |
| 489 |
|
| 490 |
if (cmd >= ARRAY_SIZE(names) || names[cmd] == NULL) |
| 491 |
return "*UNKNOWN*"; |
| 492 |
return names[cmd];
|
| 493 |
} |
| 494 |
|
| 495 |
void scsi_req_print(SCSIRequest *req)
|
| 496 |
{
|
| 497 |
FILE *fp = stderr; |
| 498 |
int i;
|
| 499 |
|
| 500 |
fprintf(fp, "[%s id=%d] %s",
|
| 501 |
req->dev->qdev.parent_bus->name, |
| 502 |
req->dev->id, |
| 503 |
scsi_command_name(req->cmd.buf[0]));
|
| 504 |
for (i = 1; i < req->cmd.len; i++) { |
| 505 |
fprintf(fp, " 0x%02x", req->cmd.buf[i]);
|
| 506 |
} |
| 507 |
switch (req->cmd.mode) {
|
| 508 |
case SCSI_XFER_NONE:
|
| 509 |
fprintf(fp, " - none\n");
|
| 510 |
break;
|
| 511 |
case SCSI_XFER_FROM_DEV:
|
| 512 |
fprintf(fp, " - from-dev len=%zd\n", req->cmd.xfer);
|
| 513 |
break;
|
| 514 |
case SCSI_XFER_TO_DEV:
|
| 515 |
fprintf(fp, " - to-dev len=%zd\n", req->cmd.xfer);
|
| 516 |
break;
|
| 517 |
default:
|
| 518 |
fprintf(fp, " - Oops\n");
|
| 519 |
break;
|
| 520 |
} |
| 521 |
} |
| 522 |
|
| 523 |
void scsi_req_complete(SCSIRequest *req)
|
| 524 |
{
|
| 525 |
assert(req->status != -1);
|
| 526 |
scsi_req_dequeue(req); |
| 527 |
req->bus->complete(req->bus, SCSI_REASON_DONE, |
| 528 |
req->tag, |
| 529 |
req->status); |
| 530 |
} |