Revision 428c149b hw/scsi-generic.c
| b/hw/scsi-generic.c | ||
|---|---|---|
| 58 | 58 |
struct SCSIGenericState |
| 59 | 59 |
{
|
| 60 | 60 |
SCSIDevice qdev; |
| 61 |
BlockDriverState *bs; |
|
| 61 | 62 |
int lun; |
| 62 | 63 |
int driver_status; |
| 63 | 64 |
uint8_t sensebuf[SCSI_SENSE_BUF_SIZE]; |
| ... | ... | |
| 212 | 213 |
return; |
| 213 | 214 |
} |
| 214 | 215 |
|
| 215 |
ret = execute_command(s->qdev.dinfo->bdrv, r, SG_DXFER_FROM_DEV, scsi_read_complete);
|
|
| 216 |
ret = execute_command(s->bs, r, SG_DXFER_FROM_DEV, scsi_read_complete);
|
|
| 216 | 217 |
if (ret == -1) {
|
| 217 | 218 |
scsi_command_complete(r, -EINVAL); |
| 218 | 219 |
return; |
| ... | ... | |
| 263 | 264 |
return 0; |
| 264 | 265 |
} |
| 265 | 266 |
|
| 266 |
ret = execute_command(s->qdev.dinfo->bdrv, r, SG_DXFER_TO_DEV, scsi_write_complete);
|
|
| 267 |
ret = execute_command(s->bs, r, SG_DXFER_TO_DEV, scsi_write_complete);
|
|
| 267 | 268 |
if (ret == -1) {
|
| 268 | 269 |
scsi_command_complete(r, -EINVAL); |
| 269 | 270 |
return 1; |
| ... | ... | |
| 357 | 358 |
qemu_free(r->buf); |
| 358 | 359 |
r->buflen = 0; |
| 359 | 360 |
r->buf = NULL; |
| 360 |
ret = execute_command(s->qdev.dinfo->bdrv, r, SG_DXFER_NONE, scsi_command_complete);
|
|
| 361 |
ret = execute_command(s->bs, r, SG_DXFER_NONE, scsi_command_complete);
|
|
| 361 | 362 |
if (ret == -1) {
|
| 362 | 363 |
scsi_command_complete(r, -EINVAL); |
| 363 | 364 |
return 0; |
| ... | ... | |
| 452 | 453 |
r = DO_UPCAST(SCSIGenericReq, req, QTAILQ_FIRST(&s->qdev.requests)); |
| 453 | 454 |
scsi_remove_request(r); |
| 454 | 455 |
} |
| 455 |
drive_uninit(s->qdev.dinfo); |
|
| 456 |
drive_uninit(s->qdev.conf.dinfo);
|
|
| 456 | 457 |
} |
| 457 | 458 |
|
| 458 | 459 |
static int scsi_generic_initfn(SCSIDevice *dev) |
| ... | ... | |
| 461 | 462 |
int sg_version; |
| 462 | 463 |
struct sg_scsi_id scsiid; |
| 463 | 464 |
|
| 464 |
if (!s->qdev.dinfo || !s->qdev.dinfo->bdrv) {
|
|
| 465 |
if (!s->qdev.conf.dinfo || !s->qdev.conf.dinfo->bdrv) {
|
|
| 465 | 466 |
qemu_error("scsi-generic: drive property not set\n");
|
| 466 | 467 |
return -1; |
| 467 | 468 |
} |
| 469 |
s->bs = s->qdev.conf.dinfo->bdrv; |
|
| 468 | 470 |
|
| 469 | 471 |
/* check we are really using a /dev/sg* file */ |
| 470 |
if (!bdrv_is_sg(s->qdev.dinfo->bdrv)) {
|
|
| 472 |
if (!bdrv_is_sg(s->bs)) {
|
|
| 471 | 473 |
qemu_error("scsi-generic: not /dev/sg*\n");
|
| 472 | 474 |
return -1; |
| 473 | 475 |
} |
| 474 | 476 |
|
| 475 | 477 |
/* check we are using a driver managing SG_IO (version 3 and after */ |
| 476 |
if (bdrv_ioctl(s->qdev.dinfo->bdrv, SG_GET_VERSION_NUM, &sg_version) < 0 ||
|
|
| 478 |
if (bdrv_ioctl(s->bs, SG_GET_VERSION_NUM, &sg_version) < 0 ||
|
|
| 477 | 479 |
sg_version < 30000) {
|
| 478 | 480 |
qemu_error("scsi-generic: scsi generic interface too old\n");
|
| 479 | 481 |
return -1; |
| 480 | 482 |
} |
| 481 | 483 |
|
| 482 | 484 |
/* get LUN of the /dev/sg? */ |
| 483 |
if (bdrv_ioctl(s->qdev.dinfo->bdrv, SG_GET_SCSI_ID, &scsiid)) {
|
|
| 485 |
if (bdrv_ioctl(s->bs, SG_GET_SCSI_ID, &scsiid)) {
|
|
| 484 | 486 |
qemu_error("scsi-generic: SG_GET_SCSI_ID ioctl failed\n");
|
| 485 | 487 |
return -1; |
| 486 | 488 |
} |
| ... | ... | |
| 491 | 493 |
s->qdev.type = scsiid.scsi_type; |
| 492 | 494 |
DPRINTF("device type %d\n", s->qdev.type);
|
| 493 | 495 |
if (s->qdev.type == TYPE_TAPE) {
|
| 494 |
s->qdev.blocksize = get_stream_blocksize(s->qdev.dinfo->bdrv);
|
|
| 496 |
s->qdev.blocksize = get_stream_blocksize(s->bs);
|
|
| 495 | 497 |
if (s->qdev.blocksize == -1) |
| 496 | 498 |
s->qdev.blocksize = 0; |
| 497 | 499 |
} else {
|
| 498 |
s->qdev.blocksize = get_blocksize(s->qdev.dinfo->bdrv);
|
|
| 500 |
s->qdev.blocksize = get_blocksize(s->bs);
|
|
| 499 | 501 |
/* removable media returns 0 if not present */ |
| 500 | 502 |
if (s->qdev.blocksize <= 0) {
|
| 501 | 503 |
if (s->qdev.type == TYPE_ROM || s->qdev.type == TYPE_WORM) |
| ... | ... | |
| 522 | 524 |
.cancel_io = scsi_cancel_io, |
| 523 | 525 |
.get_buf = scsi_get_buf, |
| 524 | 526 |
.qdev.props = (Property[]) {
|
| 525 |
DEFINE_PROP_DRIVE("drive", SCSIGenericState, qdev.dinfo),
|
|
| 527 |
DEFINE_BLOCK_PROPERTIES(SCSIGenericState, qdev.conf),
|
|
| 526 | 528 |
DEFINE_PROP_END_OF_LIST(), |
| 527 | 529 |
}, |
| 528 | 530 |
}; |
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