Revision c87c0672
| b/block-qcow.c | ||
|---|---|---|
| 530 | 530 |
int n; |
| 531 | 531 |
uint64_t cluster_offset; |
| 532 | 532 |
uint8_t *cluster_data; |
| 533 |
struct iovec hd_iov; |
|
| 534 |
QEMUIOVector hd_qiov; |
|
| 533 | 535 |
BlockDriverAIOCB *hd_aiocb; |
| 534 | 536 |
} QCowAIOCB; |
| 535 | 537 |
|
| ... | ... | |
| 584 | 586 |
if (!acb->cluster_offset) {
|
| 585 | 587 |
if (bs->backing_hd) {
|
| 586 | 588 |
/* read from the base image */ |
| 587 |
acb->hd_aiocb = bdrv_aio_read(bs->backing_hd, |
|
| 588 |
acb->sector_num, acb->buf, acb->n, qcow_aio_read_cb, acb); |
|
| 589 |
acb->hd_iov.iov_base = acb->buf; |
|
| 590 |
acb->hd_iov.iov_len = acb->n * 512; |
|
| 591 |
qemu_iovec_init_external(&acb->hd_qiov, &acb->hd_iov, 1); |
|
| 592 |
acb->hd_aiocb = bdrv_aio_readv(bs->backing_hd, acb->sector_num, |
|
| 593 |
&acb->hd_qiov, acb->n, qcow_aio_read_cb, acb); |
|
| 589 | 594 |
if (acb->hd_aiocb == NULL) |
| 590 | 595 |
goto fail; |
| 591 | 596 |
} else {
|
| ... | ... | |
| 605 | 610 |
ret = -EIO; |
| 606 | 611 |
goto fail; |
| 607 | 612 |
} |
| 608 |
acb->hd_aiocb = bdrv_aio_read(s->hd, |
|
| 613 |
acb->hd_iov.iov_base = acb->buf; |
|
| 614 |
acb->hd_iov.iov_len = acb->n * 512; |
|
| 615 |
qemu_iovec_init_external(&acb->hd_qiov, &acb->hd_iov, 1); |
|
| 616 |
acb->hd_aiocb = bdrv_aio_readv(s->hd, |
|
| 609 | 617 |
(acb->cluster_offset >> 9) + index_in_cluster, |
| 610 |
acb->buf, acb->n, qcow_aio_read_cb, acb);
|
|
| 618 |
&acb->hd_qiov, acb->n, qcow_aio_read_cb, acb);
|
|
| 611 | 619 |
if (acb->hd_aiocb == NULL) |
| 612 | 620 |
goto fail; |
| 613 | 621 |
} |
| ... | ... | |
| 687 | 695 |
} else {
|
| 688 | 696 |
src_buf = acb->buf; |
| 689 | 697 |
} |
| 690 |
acb->hd_aiocb = bdrv_aio_write(s->hd, |
|
| 691 |
(cluster_offset >> 9) + index_in_cluster, |
|
| 692 |
src_buf, acb->n, |
|
| 693 |
qcow_aio_write_cb, acb); |
|
| 698 |
|
|
| 699 |
acb->hd_iov.iov_base = (void *)src_buf; |
|
| 700 |
acb->hd_iov.iov_len = acb->n * 512; |
|
| 701 |
qemu_iovec_init_external(&acb->hd_qiov, &acb->hd_iov, 1); |
|
| 702 |
acb->hd_aiocb = bdrv_aio_writev(s->hd, |
|
| 703 |
(cluster_offset >> 9) + index_in_cluster, |
|
| 704 |
&acb->hd_qiov, acb->n, |
|
| 705 |
qcow_aio_write_cb, acb); |
|
| 694 | 706 |
if (acb->hd_aiocb == NULL) |
| 695 | 707 |
goto fail; |
| 696 | 708 |
} |
| b/block-qcow2.c | ||
|---|---|---|
| 1270 | 1270 |
uint64_t cluster_offset; |
| 1271 | 1271 |
uint8_t *cluster_data; |
| 1272 | 1272 |
BlockDriverAIOCB *hd_aiocb; |
| 1273 |
struct iovec hd_iov; |
|
| 1274 |
QEMUIOVector hd_qiov; |
|
| 1273 | 1275 |
QEMUBH *bh; |
| 1274 | 1276 |
QCowL2Meta l2meta; |
| 1275 | 1277 |
} QCowAIOCB; |
| ... | ... | |
| 1347 | 1349 |
n1 = backing_read1(bs->backing_hd, acb->sector_num, |
| 1348 | 1350 |
acb->buf, acb->n); |
| 1349 | 1351 |
if (n1 > 0) {
|
| 1350 |
acb->hd_aiocb = bdrv_aio_read(bs->backing_hd, acb->sector_num, |
|
| 1351 |
acb->buf, acb->n, qcow_aio_read_cb, acb); |
|
| 1352 |
acb->hd_iov.iov_base = acb->buf; |
|
| 1353 |
acb->hd_iov.iov_len = acb->n * 512; |
|
| 1354 |
qemu_iovec_init_external(&acb->hd_qiov, &acb->hd_iov, 1); |
|
| 1355 |
acb->hd_aiocb = bdrv_aio_readv(bs->backing_hd, acb->sector_num, |
|
| 1356 |
&acb->hd_qiov, acb->n, |
|
| 1357 |
qcow_aio_read_cb, acb); |
|
| 1352 | 1358 |
if (acb->hd_aiocb == NULL) |
| 1353 | 1359 |
goto fail; |
| 1354 | 1360 |
} else {
|
| ... | ... | |
| 1377 | 1383 |
ret = -EIO; |
| 1378 | 1384 |
goto fail; |
| 1379 | 1385 |
} |
| 1380 |
acb->hd_aiocb = bdrv_aio_read(s->hd, |
|
| 1386 |
|
|
| 1387 |
acb->hd_iov.iov_base = acb->buf; |
|
| 1388 |
acb->hd_iov.iov_len = acb->n * 512; |
|
| 1389 |
qemu_iovec_init_external(&acb->hd_qiov, &acb->hd_iov, 1); |
|
| 1390 |
acb->hd_aiocb = bdrv_aio_readv(s->hd, |
|
| 1381 | 1391 |
(acb->cluster_offset >> 9) + index_in_cluster, |
| 1382 |
acb->buf, acb->n, qcow_aio_read_cb, acb);
|
|
| 1392 |
&acb->hd_qiov, acb->n, qcow_aio_read_cb, acb);
|
|
| 1383 | 1393 |
if (acb->hd_aiocb == NULL) |
| 1384 | 1394 |
goto fail; |
| 1385 | 1395 |
} |
| ... | ... | |
| 1476 | 1486 |
} else {
|
| 1477 | 1487 |
src_buf = acb->buf; |
| 1478 | 1488 |
} |
| 1479 |
acb->hd_aiocb = bdrv_aio_write(s->hd, |
|
| 1480 |
(acb->cluster_offset >> 9) + index_in_cluster, |
|
| 1481 |
src_buf, acb->n, |
|
| 1482 |
qcow_aio_write_cb, acb); |
|
| 1489 |
acb->hd_iov.iov_base = (void *)src_buf; |
|
| 1490 |
acb->hd_iov.iov_len = acb->n * 512; |
|
| 1491 |
qemu_iovec_init_external(&acb->hd_qiov, &acb->hd_iov, 1); |
|
| 1492 |
acb->hd_aiocb = bdrv_aio_writev(s->hd, |
|
| 1493 |
(acb->cluster_offset >> 9) + index_in_cluster, |
|
| 1494 |
&acb->hd_qiov, acb->n, |
|
| 1495 |
qcow_aio_write_cb, acb); |
|
| 1483 | 1496 |
if (acb->hd_aiocb == NULL) |
| 1484 | 1497 |
goto fail; |
| 1485 | 1498 |
} |
| b/block.c | ||
|---|---|---|
| 55 | 55 |
int ret; |
| 56 | 56 |
} BlockDriverAIOCBSync; |
| 57 | 57 |
|
| 58 |
static BlockDriverAIOCB *bdrv_aio_read(BlockDriverState *bs, |
|
| 59 |
int64_t sector_num, uint8_t *buf, int nb_sectors, |
|
| 60 |
BlockDriverCompletionFunc *cb, void *opaque); |
|
| 61 |
static BlockDriverAIOCB *bdrv_aio_write(BlockDriverState *bs, |
|
| 62 |
int64_t sector_num, const uint8_t *buf, int nb_sectors, |
|
| 63 |
BlockDriverCompletionFunc *cb, void *opaque); |
|
| 58 | 64 |
static BlockDriverAIOCB *bdrv_aio_read_em(BlockDriverState *bs, |
| 59 | 65 |
int64_t sector_num, uint8_t *buf, int nb_sectors, |
| 60 | 66 |
BlockDriverCompletionFunc *cb, void *opaque); |
| ... | ... | |
| 1370 | 1376 |
cb, opaque, 1); |
| 1371 | 1377 |
} |
| 1372 | 1378 |
|
| 1373 |
BlockDriverAIOCB *bdrv_aio_read(BlockDriverState *bs, int64_t sector_num, |
|
| 1379 |
static BlockDriverAIOCB *bdrv_aio_read(BlockDriverState *bs, int64_t sector_num,
|
|
| 1374 | 1380 |
uint8_t *buf, int nb_sectors, |
| 1375 | 1381 |
BlockDriverCompletionFunc *cb, void *opaque) |
| 1376 | 1382 |
{
|
| ... | ... | |
| 1393 | 1399 |
return ret; |
| 1394 | 1400 |
} |
| 1395 | 1401 |
|
| 1396 |
BlockDriverAIOCB *bdrv_aio_write(BlockDriverState *bs, int64_t sector_num, |
|
| 1402 |
static BlockDriverAIOCB *bdrv_aio_write(BlockDriverState *bs, int64_t sector_num,
|
|
| 1397 | 1403 |
const uint8_t *buf, int nb_sectors, |
| 1398 | 1404 |
BlockDriverCompletionFunc *cb, void *opaque) |
| 1399 | 1405 |
{
|
| b/block.h | ||
|---|---|---|
| 96 | 96 |
BlockDriverAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num, |
| 97 | 97 |
QEMUIOVector *iov, int nb_sectors, |
| 98 | 98 |
BlockDriverCompletionFunc *cb, void *opaque); |
| 99 |
|
|
| 100 |
BlockDriverAIOCB *bdrv_aio_read(BlockDriverState *bs, int64_t sector_num, |
|
| 101 |
uint8_t *buf, int nb_sectors, |
|
| 102 |
BlockDriverCompletionFunc *cb, void *opaque); |
|
| 103 |
BlockDriverAIOCB *bdrv_aio_write(BlockDriverState *bs, int64_t sector_num, |
|
| 104 |
const uint8_t *buf, int nb_sectors, |
|
| 105 |
BlockDriverCompletionFunc *cb, void *opaque); |
|
| 106 | 99 |
void bdrv_aio_cancel(BlockDriverAIOCB *acb); |
| 107 | 100 |
|
| 108 | 101 |
/* sg packet commands */ |
| b/hw/ide.c | ||
|---|---|---|
| 496 | 496 |
IDEState *ide_if; |
| 497 | 497 |
BlockDriverCompletionFunc *dma_cb; |
| 498 | 498 |
BlockDriverAIOCB *aiocb; |
| 499 |
struct iovec iov; |
|
| 500 |
QEMUIOVector qiov; |
|
| 499 | 501 |
int64_t sector_num; |
| 500 | 502 |
uint32_t nsector; |
| 501 | 503 |
} BMDMAState; |
| ... | ... | |
| 1467 | 1469 |
#ifdef DEBUG_AIO |
| 1468 | 1470 |
printf("aio_read_cd: lba=%u n=%d\n", s->lba, n);
|
| 1469 | 1471 |
#endif |
| 1470 |
bm->aiocb = bdrv_aio_read(s->bs, (int64_t)s->lba << 2, |
|
| 1471 |
s->io_buffer + data_offset, n * 4, |
|
| 1472 |
ide_atapi_cmd_read_dma_cb, bm); |
|
| 1472 |
bm->iov.iov_base = s->io_buffer + data_offset; |
|
| 1473 |
bm->iov.iov_len = n * 4 * 512; |
|
| 1474 |
qemu_iovec_init_external(&bm->qiov, &bm->iov, 1); |
|
| 1475 |
bm->aiocb = bdrv_aio_readv(s->bs, (int64_t)s->lba << 2, &bm->qiov, |
|
| 1476 |
n * 4, ide_atapi_cmd_read_dma_cb, bm); |
|
| 1473 | 1477 |
if (!bm->aiocb) {
|
| 1474 | 1478 |
/* Note: media not present is the most likely case */ |
| 1475 | 1479 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
| b/hw/scsi-disk.c | ||
|---|---|---|
| 52 | 52 |
/* Both sector and sector_count are in terms of qemu 512 byte blocks. */ |
| 53 | 53 |
uint64_t sector; |
| 54 | 54 |
uint32_t sector_count; |
| 55 |
/* The amounnt of data in the buffer. */ |
|
| 56 |
int buf_len; |
|
| 57 |
uint8_t *dma_buf; |
|
| 55 |
struct iovec iov; |
|
| 56 |
QEMUIOVector qiov; |
|
| 58 | 57 |
BlockDriverAIOCB *aiocb; |
| 59 | 58 |
struct SCSIRequest *next; |
| 60 | 59 |
uint32_t status; |
| ... | ... | |
| 89 | 88 |
free_requests = r->next; |
| 90 | 89 |
} else {
|
| 91 | 90 |
r = qemu_malloc(sizeof(SCSIRequest)); |
| 92 |
r->dma_buf = qemu_memalign(512, SCSI_DMA_BUF_SIZE);
|
|
| 91 |
r->iov.iov_base = qemu_memalign(512, SCSI_DMA_BUF_SIZE);
|
|
| 93 | 92 |
} |
| 94 | 93 |
r->dev = s; |
| 95 | 94 |
r->tag = tag; |
| 96 | 95 |
r->sector_count = 0; |
| 97 |
r->buf_len = 0;
|
|
| 96 |
r->iov.iov_len = 0;
|
|
| 98 | 97 |
r->aiocb = NULL; |
| 99 | 98 |
r->status = 0; |
| 100 | 99 |
|
| ... | ... | |
| 173 | 172 |
scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_NO_SENSE); |
| 174 | 173 |
return; |
| 175 | 174 |
} |
| 176 |
DPRINTF("Data ready tag=0x%x len=%d\n", r->tag, r->buf_len);
|
|
| 175 |
DPRINTF("Data ready tag=0x%x len=%d\n", r->tag, r->iov.iov_len);
|
|
| 177 | 176 |
|
| 178 |
s->completion(s->opaque, SCSI_REASON_DATA, r->tag, r->buf_len);
|
|
| 177 |
s->completion(s->opaque, SCSI_REASON_DATA, r->tag, r->iov.iov_len);
|
|
| 179 | 178 |
} |
| 180 | 179 |
|
| 181 | 180 |
/* Read more data from scsi device into buffer. */ |
| ... | ... | |
| 193 | 192 |
return; |
| 194 | 193 |
} |
| 195 | 194 |
if (r->sector_count == (uint32_t)-1) {
|
| 196 |
DPRINTF("Read buf_len=%d\n", r->buf_len);
|
|
| 195 |
DPRINTF("Read buf_len=%d\n", r->iov.iov_len);
|
|
| 197 | 196 |
r->sector_count = 0; |
| 198 |
s->completion(s->opaque, SCSI_REASON_DATA, r->tag, r->buf_len);
|
|
| 197 |
s->completion(s->opaque, SCSI_REASON_DATA, r->tag, r->iov.iov_len);
|
|
| 199 | 198 |
return; |
| 200 | 199 |
} |
| 201 | 200 |
DPRINTF("Read sector_count=%d\n", r->sector_count);
|
| ... | ... | |
| 208 | 207 |
if (n > SCSI_DMA_BUF_SIZE / 512) |
| 209 | 208 |
n = SCSI_DMA_BUF_SIZE / 512; |
| 210 | 209 |
|
| 211 |
r->buf_len = n * 512; |
|
| 212 |
r->aiocb = bdrv_aio_read(s->bdrv, r->sector, r->dma_buf, n, |
|
| 213 |
scsi_read_complete, r); |
|
| 210 |
r->iov.iov_len = n * 512; |
|
| 211 |
qemu_iovec_init_external(&r->qiov, &r->iov, 1); |
|
| 212 |
r->aiocb = bdrv_aio_readv(s->bdrv, r->sector, &r->qiov, n, |
|
| 213 |
scsi_read_complete, r); |
|
| 214 | 214 |
if (r->aiocb == NULL) |
| 215 | 215 |
scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_HARDWARE_ERROR); |
| 216 | 216 |
r->sector += n; |
| ... | ... | |
| 250 | 250 |
return; |
| 251 | 251 |
} |
| 252 | 252 |
|
| 253 |
n = r->buf_len / 512;
|
|
| 253 |
n = r->iov.iov_len / 512;
|
|
| 254 | 254 |
r->sector += n; |
| 255 | 255 |
r->sector_count -= n; |
| 256 | 256 |
if (r->sector_count == 0) {
|
| ... | ... | |
| 260 | 260 |
if (len > SCSI_DMA_BUF_SIZE) {
|
| 261 | 261 |
len = SCSI_DMA_BUF_SIZE; |
| 262 | 262 |
} |
| 263 |
r->buf_len = len;
|
|
| 263 |
r->iov.iov_len = len;
|
|
| 264 | 264 |
DPRINTF("Write complete tag=0x%x more=%d\n", r->tag, len);
|
| 265 | 265 |
s->completion(s->opaque, SCSI_REASON_DATA, r->tag, len); |
| 266 | 266 |
} |
| ... | ... | |
| 271 | 271 |
SCSIDeviceState *s = r->dev; |
| 272 | 272 |
uint32_t n; |
| 273 | 273 |
|
| 274 |
n = r->buf_len / 512;
|
|
| 274 |
n = r->iov.iov_len / 512;
|
|
| 275 | 275 |
if (n) {
|
| 276 |
r->aiocb = bdrv_aio_write(s->bdrv, r->sector, r->dma_buf, n, |
|
| 277 |
scsi_write_complete, r); |
|
| 276 |
qemu_iovec_init_external(&r->qiov, &r->iov, 1); |
|
| 277 |
r->aiocb = bdrv_aio_writev(s->bdrv, r->sector, &r->qiov, n, |
|
| 278 |
scsi_write_complete, r); |
|
| 278 | 279 |
if (r->aiocb == NULL) |
| 279 | 280 |
scsi_command_complete(r, STATUS_CHECK_CONDITION, |
| 280 | 281 |
SENSE_HARDWARE_ERROR); |
| ... | ... | |
| 334 | 335 |
BADF("Bad buffer tag 0x%x\n", tag);
|
| 335 | 336 |
return NULL; |
| 336 | 337 |
} |
| 337 |
return r->dma_buf;
|
|
| 338 |
return r->iov.iov_base;
|
|
| 338 | 339 |
} |
| 339 | 340 |
|
| 340 | 341 |
/* Execute a scsi command. Returns the length of the data expected by the |
| ... | ... | |
| 364 | 365 |
/* ??? Tags are not unique for different luns. We only implement a |
| 365 | 366 |
single lun, so this should not matter. */ |
| 366 | 367 |
r = scsi_new_request(s, tag); |
| 367 |
outbuf = r->dma_buf;
|
|
| 368 |
outbuf = r->iov.iov_base;
|
|
| 368 | 369 |
is_write = 0; |
| 369 | 370 |
DPRINTF("Command: lun=%d tag=0x%x data=0x%02x", lun, tag, buf[0]);
|
| 370 | 371 |
switch (command >> 5) {
|
| ... | ... | |
| 425 | 426 |
if (len < 4) |
| 426 | 427 |
goto fail; |
| 427 | 428 |
memset(outbuf, 0, 4); |
| 428 |
r->buf_len = 4;
|
|
| 429 |
r->iov.iov_len = 4;
|
|
| 429 | 430 |
if (s->sense == SENSE_NOT_READY && len >= 18) {
|
| 430 | 431 |
memset(outbuf, 0, 18); |
| 431 |
r->buf_len = 18;
|
|
| 432 |
r->iov.iov_len = 18;
|
|
| 432 | 433 |
outbuf[7] = 10; |
| 433 | 434 |
/* asc 0x3a, ascq 0: Medium not present */ |
| 434 | 435 |
outbuf[12] = 0x3a; |
| ... | ... | |
| 461 | 462 |
DPRINTF("Inquiry EVPD[Supported pages] "
|
| 462 | 463 |
"buffer size %d\n", len); |
| 463 | 464 |
|
| 464 |
r->buf_len = 0;
|
|
| 465 |
r->iov.iov_len = 0;
|
|
| 465 | 466 |
|
| 466 | 467 |
if (bdrv_get_type_hint(s->bdrv) == BDRV_TYPE_CDROM) {
|
| 467 |
outbuf[r->buf_len++] = 5;
|
|
| 468 |
outbuf[r->iov.iov_len++] = 5;
|
|
| 468 | 469 |
} else {
|
| 469 |
outbuf[r->buf_len++] = 0;
|
|
| 470 |
outbuf[r->iov.iov_len++] = 0;
|
|
| 470 | 471 |
} |
| 471 | 472 |
|
| 472 |
outbuf[r->buf_len++] = 0x00; // this page
|
|
| 473 |
outbuf[r->buf_len++] = 0x00;
|
|
| 474 |
outbuf[r->buf_len++] = 3; // number of pages
|
|
| 475 |
outbuf[r->buf_len++] = 0x00; // list of supported pages (this page)
|
|
| 476 |
outbuf[r->buf_len++] = 0x80; // unit serial number
|
|
| 477 |
outbuf[r->buf_len++] = 0x83; // device identification
|
|
| 473 |
outbuf[r->iov.iov_len++] = 0x00; // this page
|
|
| 474 |
outbuf[r->iov.iov_len++] = 0x00;
|
|
| 475 |
outbuf[r->iov.iov_len++] = 3; // number of pages
|
|
| 476 |
outbuf[r->iov.iov_len++] = 0x00; // list of supported pages (this page)
|
|
| 477 |
outbuf[r->iov.iov_len++] = 0x80; // unit serial number
|
|
| 478 |
outbuf[r->iov.iov_len++] = 0x83; // device identification
|
|
| 478 | 479 |
} |
| 479 | 480 |
break; |
| 480 | 481 |
case 0x80: |
| ... | ... | |
| 491 | 492 |
DPRINTF("Inquiry EVPD[Serial number] buffer size %d\n", len);
|
| 492 | 493 |
l = MIN(len, strlen(s->drive_serial_str)); |
| 493 | 494 |
|
| 494 |
r->buf_len = 0;
|
|
| 495 |
r->iov.iov_len = 0;
|
|
| 495 | 496 |
|
| 496 | 497 |
/* Supported page codes */ |
| 497 | 498 |
if (bdrv_get_type_hint(s->bdrv) == BDRV_TYPE_CDROM) {
|
| 498 |
outbuf[r->buf_len++] = 5;
|
|
| 499 |
outbuf[r->iov.iov_len++] = 5;
|
|
| 499 | 500 |
} else {
|
| 500 |
outbuf[r->buf_len++] = 0;
|
|
| 501 |
outbuf[r->iov.iov_len++] = 0;
|
|
| 501 | 502 |
} |
| 502 | 503 |
|
| 503 |
outbuf[r->buf_len++] = 0x80; // this page
|
|
| 504 |
outbuf[r->buf_len++] = 0x00;
|
|
| 505 |
outbuf[r->buf_len++] = l;
|
|
| 506 |
memcpy(&outbuf[r->buf_len], s->drive_serial_str, l);
|
|
| 507 |
r->buf_len += l;
|
|
| 504 |
outbuf[r->iov.iov_len++] = 0x80; // this page
|
|
| 505 |
outbuf[r->iov.iov_len++] = 0x00;
|
|
| 506 |
outbuf[r->iov.iov_len++] = l;
|
|
| 507 |
memcpy(&outbuf[r->iov.iov_len], s->drive_serial_str, l);
|
|
| 508 |
r->iov.iov_len += l;
|
|
| 508 | 509 |
} |
| 509 | 510 |
|
| 510 | 511 |
break; |
| ... | ... | |
| 518 | 519 |
|
| 519 | 520 |
DPRINTF("Inquiry EVPD[Device identification] "
|
| 520 | 521 |
"buffer size %d\n", len); |
| 521 |
r->buf_len = 0;
|
|
| 522 |
r->iov.iov_len = 0;
|
|
| 522 | 523 |
if (bdrv_get_type_hint(s->bdrv) == BDRV_TYPE_CDROM) {
|
| 523 |
outbuf[r->buf_len++] = 5;
|
|
| 524 |
outbuf[r->iov.iov_len++] = 5;
|
|
| 524 | 525 |
} else {
|
| 525 |
outbuf[r->buf_len++] = 0;
|
|
| 526 |
outbuf[r->iov.iov_len++] = 0;
|
|
| 526 | 527 |
} |
| 527 | 528 |
|
| 528 |
outbuf[r->buf_len++] = 0x83; // this page
|
|
| 529 |
outbuf[r->buf_len++] = 0x00;
|
|
| 530 |
outbuf[r->buf_len++] = 3 + id_len;
|
|
| 529 |
outbuf[r->iov.iov_len++] = 0x83; // this page
|
|
| 530 |
outbuf[r->iov.iov_len++] = 0x00;
|
|
| 531 |
outbuf[r->iov.iov_len++] = 3 + id_len;
|
|
| 531 | 532 |
|
| 532 |
outbuf[r->buf_len++] = 0x2; // ASCII
|
|
| 533 |
outbuf[r->buf_len++] = 0; // not officially assigned
|
|
| 534 |
outbuf[r->buf_len++] = 0; // reserved
|
|
| 535 |
outbuf[r->buf_len++] = id_len; // length of data following
|
|
| 533 |
outbuf[r->iov.iov_len++] = 0x2; // ASCII
|
|
| 534 |
outbuf[r->iov.iov_len++] = 0; // not officially assigned
|
|
| 535 |
outbuf[r->iov.iov_len++] = 0; // reserved
|
|
| 536 |
outbuf[r->iov.iov_len++] = id_len; // length of data following
|
|
| 536 | 537 |
|
| 537 |
memcpy(&outbuf[r->buf_len],
|
|
| 538 |
memcpy(&outbuf[r->iov.iov_len],
|
|
| 538 | 539 |
bdrv_get_device_name(s->bdrv), id_len); |
| 539 |
r->buf_len += id_len;
|
|
| 540 |
r->iov.iov_len += id_len;
|
|
| 540 | 541 |
} |
| 541 | 542 |
break; |
| 542 | 543 |
default: |
| ... | ... | |
| 592 | 593 |
outbuf[4] = len - 5; /* Additional Length = (Len - 1) - 4 */ |
| 593 | 594 |
/* Sync data transfer and TCQ. */ |
| 594 | 595 |
outbuf[7] = 0x10 | (s->tcq ? 0x02 : 0); |
| 595 |
r->buf_len = len;
|
|
| 596 |
r->iov.iov_len = len;
|
|
| 596 | 597 |
break; |
| 597 | 598 |
case 0x16: |
| 598 | 599 |
DPRINTF("Reserve(6)\n");
|
| ... | ... | |
| 727 | 728 |
p[21] = (16 * 176) & 0xff; |
| 728 | 729 |
p += 22; |
| 729 | 730 |
} |
| 730 |
r->buf_len = p - outbuf;
|
|
| 731 |
outbuf[0] = r->buf_len - 4;
|
|
| 732 |
if (r->buf_len > len)
|
|
| 733 |
r->buf_len = len;
|
|
| 731 |
r->iov.iov_len = p - outbuf;
|
|
| 732 |
outbuf[0] = r->iov.iov_len - 4;
|
|
| 733 |
if (r->iov.iov_len > len)
|
|
| 734 |
r->iov.iov_len = len;
|
|
| 734 | 735 |
} |
| 735 | 736 |
break; |
| 736 | 737 |
case 0x1b: |
| ... | ... | |
| 766 | 767 |
outbuf[5] = 0; |
| 767 | 768 |
outbuf[6] = s->cluster_size * 2; |
| 768 | 769 |
outbuf[7] = 0; |
| 769 |
r->buf_len = 8;
|
|
| 770 |
r->iov.iov_len = 8;
|
|
| 770 | 771 |
} else {
|
| 771 | 772 |
notready: |
| 772 | 773 |
scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_NOT_READY); |
| ... | ... | |
| 827 | 828 |
if (toclen > 0) {
|
| 828 | 829 |
if (len > toclen) |
| 829 | 830 |
len = toclen; |
| 830 |
r->buf_len = len;
|
|
| 831 |
r->iov.iov_len = len;
|
|
| 831 | 832 |
break; |
| 832 | 833 |
} |
| 833 | 834 |
error_cmd: |
| ... | ... | |
| 840 | 841 |
/* ??? This should probably return much more information. For now |
| 841 | 842 |
just return the basic header indicating the CD-ROM profile. */ |
| 842 | 843 |
outbuf[7] = 8; // CD-ROM |
| 843 |
r->buf_len = 8;
|
|
| 844 |
r->iov.iov_len = 8;
|
|
| 844 | 845 |
break; |
| 845 | 846 |
case 0x56: |
| 846 | 847 |
DPRINTF("Reserve(10)\n");
|
| ... | ... | |
| 877 | 878 |
outbuf[10] = s->cluster_size * 2; |
| 878 | 879 |
outbuf[11] = 0; |
| 879 | 880 |
/* Protection, exponent and lowest lba field left blank. */ |
| 880 |
r->buf_len = len;
|
|
| 881 |
r->iov.iov_len = len;
|
|
| 881 | 882 |
} else {
|
| 882 | 883 |
scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_NOT_READY); |
| 883 | 884 |
return 0; |
| ... | ... | |
| 892 | 893 |
goto fail; |
| 893 | 894 |
memset(outbuf, 0, 16); |
| 894 | 895 |
outbuf[3] = 8; |
| 895 |
r->buf_len = 16;
|
|
| 896 |
r->iov.iov_len = 16;
|
|
| 896 | 897 |
break; |
| 897 | 898 |
case 0x2f: |
| 898 | 899 |
DPRINTF("Verify (sector %d, count %d)\n", lba, len);
|
| ... | ... | |
| 906 | 907 |
scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_HARDWARE_ERROR); |
| 907 | 908 |
return 0; |
| 908 | 909 |
} |
| 909 |
if (r->sector_count == 0 && r->buf_len == 0) {
|
|
| 910 |
if (r->sector_count == 0 && r->iov.iov_len == 0) {
|
|
| 910 | 911 |
scsi_command_complete(r, STATUS_GOOD, SENSE_NO_SENSE); |
| 911 | 912 |
} |
| 912 |
len = r->sector_count * 512 + r->buf_len;
|
|
| 913 |
len = r->sector_count * 512 + r->iov.iov_len;
|
|
| 913 | 914 |
if (is_write) {
|
| 914 | 915 |
return -len; |
| 915 | 916 |
} else {
|
Also available in: Unified diff