2 #include "qemu-error.h"
9 static char *scsibus_get_fw_dev_path(DeviceState
*dev
);
10 static int scsi_build_sense(uint8_t *in_buf
, int in_len
,
11 uint8_t *buf
, int len
, bool fixed
);
13 static struct BusInfo scsi_bus_info
= {
15 .size
= sizeof(SCSIBus
),
16 .get_fw_dev_path
= scsibus_get_fw_dev_path
,
17 .props
= (Property
[]) {
18 DEFINE_PROP_UINT32("scsi-id", SCSIDevice
, id
, -1),
19 DEFINE_PROP_END_OF_LIST(),
22 static int next_scsi_bus
;
24 /* Create a scsi bus, and attach devices to it. */
25 void scsi_bus_new(SCSIBus
*bus
, DeviceState
*host
, int tcq
, int ndev
,
26 const SCSIBusOps
*ops
)
28 qbus_create_inplace(&bus
->qbus
, &scsi_bus_info
, host
, NULL
);
29 bus
->busnr
= next_scsi_bus
++;
33 bus
->qbus
.allow_hotplug
= 1;
36 static int scsi_qdev_init(DeviceState
*qdev
, DeviceInfo
*base
)
38 SCSIDevice
*dev
= DO_UPCAST(SCSIDevice
, qdev
, qdev
);
39 SCSIDeviceInfo
*info
= DO_UPCAST(SCSIDeviceInfo
, qdev
, base
);
40 SCSIBus
*bus
= DO_UPCAST(SCSIBus
, qbus
, dev
->qdev
.parent_bus
);
44 for (dev
->id
= 0; dev
->id
< bus
->ndev
; dev
->id
++) {
45 if (bus
->devs
[dev
->id
] == NULL
)
49 if (dev
->id
>= bus
->ndev
) {
50 error_report("bad scsi device id: %d", dev
->id
);
54 if (bus
->devs
[dev
->id
]) {
55 qdev_free(&bus
->devs
[dev
->id
]->qdev
);
57 bus
->devs
[dev
->id
] = dev
;
60 QTAILQ_INIT(&dev
->requests
);
61 rc
= dev
->info
->init(dev
);
63 bus
->devs
[dev
->id
] = NULL
;
70 static int scsi_qdev_exit(DeviceState
*qdev
)
72 SCSIDevice
*dev
= DO_UPCAST(SCSIDevice
, qdev
, qdev
);
73 SCSIBus
*bus
= DO_UPCAST(SCSIBus
, qbus
, dev
->qdev
.parent_bus
);
75 assert(bus
->devs
[dev
->id
] != NULL
);
76 if (bus
->devs
[dev
->id
]->info
->destroy
) {
77 bus
->devs
[dev
->id
]->info
->destroy(bus
->devs
[dev
->id
]);
79 bus
->devs
[dev
->id
] = NULL
;
83 void scsi_qdev_register(SCSIDeviceInfo
*info
)
85 info
->qdev
.bus_info
= &scsi_bus_info
;
86 info
->qdev
.init
= scsi_qdev_init
;
87 info
->qdev
.unplug
= qdev_simple_unplug_cb
;
88 info
->qdev
.exit
= scsi_qdev_exit
;
89 qdev_register(&info
->qdev
);
92 /* handle legacy '-drive if=scsi,...' cmd line args */
93 SCSIDevice
*scsi_bus_legacy_add_drive(SCSIBus
*bus
, BlockDriverState
*bdrv
,
94 int unit
, bool removable
)
99 driver
= bdrv_is_sg(bdrv
) ? "scsi-generic" : "scsi-disk";
100 dev
= qdev_create(&bus
->qbus
, driver
);
101 qdev_prop_set_uint32(dev
, "scsi-id", unit
);
102 if (qdev_prop_exists(dev
, "removable")) {
103 qdev_prop_set_bit(dev
, "removable", removable
);
105 if (qdev_prop_set_drive(dev
, "drive", bdrv
) < 0) {
109 if (qdev_init(dev
) < 0)
111 return DO_UPCAST(SCSIDevice
, qdev
, dev
);
114 int scsi_bus_legacy_handle_cmdline(SCSIBus
*bus
)
121 for (unit
= 0; unit
< bus
->ndev
; unit
++) {
122 dinfo
= drive_get(IF_SCSI
, bus
->busnr
, unit
);
126 qemu_opts_loc_restore(dinfo
->opts
);
127 if (!scsi_bus_legacy_add_drive(bus
, dinfo
->bdrv
, unit
, false)) {
136 SCSIRequest
*scsi_req_alloc(size_t size
, SCSIDevice
*d
, uint32_t tag
,
137 uint32_t lun
, void *hba_private
)
141 req
= qemu_mallocz(size
);
143 req
->bus
= scsi_bus_from_device(d
);
147 req
->hba_private
= hba_private
;
150 trace_scsi_req_alloc(req
->dev
->id
, req
->lun
, req
->tag
);
154 SCSIRequest
*scsi_req_new(SCSIDevice
*d
, uint32_t tag
, uint32_t lun
,
157 return d
->info
->alloc_req(d
, tag
, lun
, hba_private
);
160 uint8_t *scsi_req_get_buf(SCSIRequest
*req
)
162 return req
->dev
->info
->get_buf(req
);
165 int scsi_req_get_sense(SCSIRequest
*req
, uint8_t *buf
, int len
)
168 if (!req
->sense_len
) {
171 return scsi_build_sense(req
->sense
, req
->sense_len
, buf
, len
, true);
174 int scsi_device_get_sense(SCSIDevice
*dev
, uint8_t *buf
, int len
, bool fixed
)
176 return scsi_build_sense(dev
->sense
, dev
->sense_len
, buf
, len
, fixed
);
179 void scsi_req_build_sense(SCSIRequest
*req
, SCSISense sense
)
181 trace_scsi_req_build_sense(req
->dev
->id
, req
->lun
, req
->tag
,
182 sense
.key
, sense
.asc
, sense
.ascq
);
183 memset(req
->sense
, 0, 18);
184 req
->sense
[0] = 0xf0;
185 req
->sense
[2] = sense
.key
;
186 req
->sense
[12] = sense
.asc
;
187 req
->sense
[13] = sense
.ascq
;
191 int32_t scsi_req_enqueue(SCSIRequest
*req
, uint8_t *buf
)
195 assert(!req
->enqueued
);
197 req
->enqueued
= true;
198 QTAILQ_INSERT_TAIL(&req
->dev
->requests
, req
, next
);
201 rc
= req
->dev
->info
->send_command(req
, buf
);
206 static void scsi_req_dequeue(SCSIRequest
*req
)
208 trace_scsi_req_dequeue(req
->dev
->id
, req
->lun
, req
->tag
);
210 QTAILQ_REMOVE(&req
->dev
->requests
, req
, next
);
211 req
->enqueued
= false;
216 static int scsi_req_length(SCSIRequest
*req
, uint8_t *cmd
)
218 switch (cmd
[0] >> 5) {
220 req
->cmd
.xfer
= cmd
[4];
222 /* length 0 means 256 blocks */
223 if (req
->cmd
.xfer
== 0)
228 req
->cmd
.xfer
= cmd
[8] | (cmd
[7] << 8);
232 req
->cmd
.xfer
= cmd
[13] | (cmd
[12] << 8) | (cmd
[11] << 16) | (cmd
[10] << 24);
236 req
->cmd
.xfer
= cmd
[9] | (cmd
[8] << 8) | (cmd
[7] << 16) | (cmd
[6] << 24);
240 trace_scsi_req_parse_bad(req
->dev
->id
, req
->lun
, req
->tag
, cmd
[0]);
245 case TEST_UNIT_READY
:
249 case WRITE_FILEMARKS
:
254 case ALLOW_MEDIUM_REMOVAL
:
257 case SYNCHRONIZE_CACHE
:
258 case LOCK_UNLOCK_CACHE
:
272 case READ_CAPACITY_10
:
275 case READ_BLOCK_LIMITS
:
281 case SEND_VOLUME_TAG
:
288 case WRITE_VERIFY_10
:
291 case WRITE_VERIFY_12
:
293 case WRITE_VERIFY_16
:
294 req
->cmd
.xfer
*= req
->dev
->blocksize
;
299 case RECOVER_BUFFERED_DATA
:
302 req
->cmd
.xfer
*= req
->dev
->blocksize
;
305 req
->cmd
.xfer
= cmd
[4] | (cmd
[3] << 8);
307 case MAINTENANCE_OUT
:
309 if (req
->dev
->type
== TYPE_ROM
) {
310 /* GPCMD_REPORT_KEY and GPCMD_SEND_KEY from multi media commands */
311 req
->cmd
.xfer
= cmd
[9] | (cmd
[8] << 8);
318 static int scsi_req_stream_length(SCSIRequest
*req
, uint8_t *cmd
)
321 /* stream commands */
324 case RECOVER_BUFFERED_DATA
:
327 req
->cmd
.xfer
= cmd
[4] | (cmd
[3] << 8) | (cmd
[2] << 16);
328 if (cmd
[1] & 0x01) /* fixed */
329 req
->cmd
.xfer
*= req
->dev
->blocksize
;
336 /* generic commands */
338 return scsi_req_length(req
, cmd
);
343 static void scsi_req_xfer_mode(SCSIRequest
*req
)
345 switch (req
->cmd
.buf
[0]) {
348 case WRITE_VERIFY_10
:
350 case WRITE_VERIFY_12
:
352 case WRITE_VERIFY_16
:
356 case CHANGE_DEFINITION
:
360 case SEND_DIAGNOSTIC
:
363 case REASSIGN_BLOCKS
:
371 case SEARCH_EQUAL_12
:
374 case SEND_VOLUME_TAG
:
375 case PERSISTENT_RESERVE_OUT
:
376 case MAINTENANCE_OUT
:
377 req
->cmd
.mode
= SCSI_XFER_TO_DEV
;
381 req
->cmd
.mode
= SCSI_XFER_FROM_DEV
;
383 req
->cmd
.mode
= SCSI_XFER_NONE
;
389 static uint64_t scsi_req_lba(SCSIRequest
*req
)
391 uint8_t *buf
= req
->cmd
.buf
;
394 switch (buf
[0] >> 5) {
396 lba
= (uint64_t) buf
[3] | ((uint64_t) buf
[2] << 8) |
397 (((uint64_t) buf
[1] & 0x1f) << 16);
401 lba
= (uint64_t) buf
[5] | ((uint64_t) buf
[4] << 8) |
402 ((uint64_t) buf
[3] << 16) | ((uint64_t) buf
[2] << 24);
405 lba
= (uint64_t) buf
[9] | ((uint64_t) buf
[8] << 8) |
406 ((uint64_t) buf
[7] << 16) | ((uint64_t) buf
[6] << 24) |
407 ((uint64_t) buf
[5] << 32) | ((uint64_t) buf
[4] << 40) |
408 ((uint64_t) buf
[3] << 48) | ((uint64_t) buf
[2] << 56);
411 lba
= (uint64_t) buf
[5] | ((uint64_t) buf
[4] << 8) |
412 ((uint64_t) buf
[3] << 16) | ((uint64_t) buf
[2] << 24);
421 int scsi_req_parse(SCSIRequest
*req
, uint8_t *buf
)
425 if (req
->dev
->type
== TYPE_TAPE
) {
426 rc
= scsi_req_stream_length(req
, buf
);
428 rc
= scsi_req_length(req
, buf
);
433 memcpy(req
->cmd
.buf
, buf
, req
->cmd
.len
);
434 scsi_req_xfer_mode(req
);
435 req
->cmd
.lba
= scsi_req_lba(req
);
436 trace_scsi_req_parsed(req
->dev
->id
, req
->lun
, req
->tag
, buf
[0],
437 req
->cmd
.mode
, req
->cmd
.xfer
);
438 if (req
->cmd
.lba
!= -1) {
439 trace_scsi_req_parsed_lba(req
->dev
->id
, req
->lun
, req
->tag
, buf
[0],
446 * Predefined sense codes
449 /* No sense data available */
450 const struct SCSISense sense_code_NO_SENSE
= {
451 .key
= NO_SENSE
, .asc
= 0x00 , .ascq
= 0x00
454 /* LUN not ready, Manual intervention required */
455 const struct SCSISense sense_code_LUN_NOT_READY
= {
456 .key
= NOT_READY
, .asc
= 0x04, .ascq
= 0x03
459 /* LUN not ready, Medium not present */
460 const struct SCSISense sense_code_NO_MEDIUM
= {
461 .key
= NOT_READY
, .asc
= 0x3a, .ascq
= 0x00
464 /* Hardware error, internal target failure */
465 const struct SCSISense sense_code_TARGET_FAILURE
= {
466 .key
= HARDWARE_ERROR
, .asc
= 0x44, .ascq
= 0x00
469 /* Illegal request, invalid command operation code */
470 const struct SCSISense sense_code_INVALID_OPCODE
= {
471 .key
= ILLEGAL_REQUEST
, .asc
= 0x20, .ascq
= 0x00
474 /* Illegal request, LBA out of range */
475 const struct SCSISense sense_code_LBA_OUT_OF_RANGE
= {
476 .key
= ILLEGAL_REQUEST
, .asc
= 0x21, .ascq
= 0x00
479 /* Illegal request, Invalid field in CDB */
480 const struct SCSISense sense_code_INVALID_FIELD
= {
481 .key
= ILLEGAL_REQUEST
, .asc
= 0x24, .ascq
= 0x00
484 /* Illegal request, LUN not supported */
485 const struct SCSISense sense_code_LUN_NOT_SUPPORTED
= {
486 .key
= ILLEGAL_REQUEST
, .asc
= 0x25, .ascq
= 0x00
489 /* Command aborted, I/O process terminated */
490 const struct SCSISense sense_code_IO_ERROR
= {
491 .key
= ABORTED_COMMAND
, .asc
= 0x00, .ascq
= 0x06
494 /* Command aborted, I_T Nexus loss occurred */
495 const struct SCSISense sense_code_I_T_NEXUS_LOSS
= {
496 .key
= ABORTED_COMMAND
, .asc
= 0x29, .ascq
= 0x07
499 /* Command aborted, Logical Unit failure */
500 const struct SCSISense sense_code_LUN_FAILURE
= {
501 .key
= ABORTED_COMMAND
, .asc
= 0x3e, .ascq
= 0x01
507 * Convert between fixed and descriptor sense buffers
509 int scsi_build_sense(uint8_t *in_buf
, int in_len
,
510 uint8_t *buf
, int len
, bool fixed
)
514 if (!fixed
&& len
< 8) {
519 sense
.key
= NO_SENSE
;
523 fixed_in
= (in_buf
[0] & 2) == 0;
525 if (fixed
== fixed_in
) {
526 memcpy(buf
, in_buf
, MIN(len
, in_len
));
527 return MIN(len
, in_len
);
531 sense
.key
= in_buf
[2];
532 sense
.asc
= in_buf
[12];
533 sense
.ascq
= in_buf
[13];
535 sense
.key
= in_buf
[1];
536 sense
.asc
= in_buf
[2];
537 sense
.ascq
= in_buf
[3];
543 /* Return fixed format sense buffer */
548 buf
[13] = sense
.ascq
;
551 /* Return descriptor format sense buffer */
560 static const char *scsi_command_name(uint8_t cmd
)
562 static const char *names
[] = {
563 [ TEST_UNIT_READY
] = "TEST_UNIT_READY",
564 [ REWIND
] = "REWIND",
565 [ REQUEST_SENSE
] = "REQUEST_SENSE",
566 [ FORMAT_UNIT
] = "FORMAT_UNIT",
567 [ READ_BLOCK_LIMITS
] = "READ_BLOCK_LIMITS",
568 [ REASSIGN_BLOCKS
] = "REASSIGN_BLOCKS",
569 [ READ_6
] = "READ_6",
570 [ WRITE_6
] = "WRITE_6",
571 [ SEEK_6
] = "SEEK_6",
572 [ READ_REVERSE
] = "READ_REVERSE",
573 [ WRITE_FILEMARKS
] = "WRITE_FILEMARKS",
575 [ INQUIRY
] = "INQUIRY",
576 [ RECOVER_BUFFERED_DATA
] = "RECOVER_BUFFERED_DATA",
577 [ MAINTENANCE_IN
] = "MAINTENANCE_IN",
578 [ MAINTENANCE_OUT
] = "MAINTENANCE_OUT",
579 [ MODE_SELECT
] = "MODE_SELECT",
580 [ RESERVE
] = "RESERVE",
581 [ RELEASE
] = "RELEASE",
584 [ MODE_SENSE
] = "MODE_SENSE",
585 [ START_STOP
] = "START_STOP",
586 [ RECEIVE_DIAGNOSTIC
] = "RECEIVE_DIAGNOSTIC",
587 [ SEND_DIAGNOSTIC
] = "SEND_DIAGNOSTIC",
588 [ ALLOW_MEDIUM_REMOVAL
] = "ALLOW_MEDIUM_REMOVAL",
589 [ READ_CAPACITY_10
] = "READ_CAPACITY_10",
590 [ READ_10
] = "READ_10",
591 [ WRITE_10
] = "WRITE_10",
592 [ SEEK_10
] = "SEEK_10",
593 [ WRITE_VERIFY_10
] = "WRITE_VERIFY_10",
594 [ VERIFY_10
] = "VERIFY_10",
595 [ SEARCH_HIGH
] = "SEARCH_HIGH",
596 [ SEARCH_EQUAL
] = "SEARCH_EQUAL",
597 [ SEARCH_LOW
] = "SEARCH_LOW",
598 [ SET_LIMITS
] = "SET_LIMITS",
599 [ PRE_FETCH
] = "PRE_FETCH",
600 /* READ_POSITION and PRE_FETCH use the same operation code */
601 [ SYNCHRONIZE_CACHE
] = "SYNCHRONIZE_CACHE",
602 [ LOCK_UNLOCK_CACHE
] = "LOCK_UNLOCK_CACHE",
603 [ READ_DEFECT_DATA
] = "READ_DEFECT_DATA",
604 [ MEDIUM_SCAN
] = "MEDIUM_SCAN",
605 [ COMPARE
] = "COMPARE",
606 [ COPY_VERIFY
] = "COPY_VERIFY",
607 [ WRITE_BUFFER
] = "WRITE_BUFFER",
608 [ READ_BUFFER
] = "READ_BUFFER",
609 [ UPDATE_BLOCK
] = "UPDATE_BLOCK",
610 [ READ_LONG_10
] = "READ_LONG_10",
611 [ WRITE_LONG_10
] = "WRITE_LONG_10",
612 [ CHANGE_DEFINITION
] = "CHANGE_DEFINITION",
613 [ WRITE_SAME_10
] = "WRITE_SAME_10",
615 [ READ_TOC
] = "READ_TOC",
616 [ REPORT_DENSITY_SUPPORT
] = "REPORT_DENSITY_SUPPORT",
617 [ GET_CONFIGURATION
] = "GET_CONFIGURATION",
618 [ LOG_SELECT
] = "LOG_SELECT",
619 [ LOG_SENSE
] = "LOG_SENSE",
620 [ MODE_SELECT_10
] = "MODE_SELECT_10",
621 [ RESERVE_10
] = "RESERVE_10",
622 [ RELEASE_10
] = "RELEASE_10",
623 [ MODE_SENSE_10
] = "MODE_SENSE_10",
624 [ PERSISTENT_RESERVE_IN
] = "PERSISTENT_RESERVE_IN",
625 [ PERSISTENT_RESERVE_OUT
] = "PERSISTENT_RESERVE_OUT",
626 [ WRITE_FILEMARKS_16
] = "WRITE_FILEMARKS_16",
627 [ EXTENDED_COPY
] = "EXTENDED_COPY",
628 [ ATA_PASSTHROUGH
] = "ATA_PASSTHROUGH",
629 [ ACCESS_CONTROL_IN
] = "ACCESS_CONTROL_IN",
630 [ ACCESS_CONTROL_OUT
] = "ACCESS_CONTROL_OUT",
631 [ READ_16
] = "READ_16",
632 [ COMPARE_AND_WRITE
] = "COMPARE_AND_WRITE",
633 [ WRITE_16
] = "WRITE_16",
634 [ WRITE_VERIFY_16
] = "WRITE_VERIFY_16",
635 [ VERIFY_16
] = "VERIFY_16",
636 [ SYNCHRONIZE_CACHE_16
] = "SYNCHRONIZE_CACHE_16",
637 [ LOCATE_16
] = "LOCATE_16",
638 [ WRITE_SAME_16
] = "WRITE_SAME_16",
639 [ ERASE_16
] = "ERASE_16",
640 [ SERVICE_ACTION_IN
] = "SERVICE_ACTION_IN",
641 [ WRITE_LONG_16
] = "WRITE_LONG_16",
642 [ REPORT_LUNS
] = "REPORT_LUNS",
644 [ MAINTENANCE_IN
] = "MAINTENANCE_IN",
645 [ MAINTENANCE_OUT
] = "MAINTENANCE_OUT",
646 [ MOVE_MEDIUM
] = "MOVE_MEDIUM",
647 [ LOAD_UNLOAD
] = "LOAD_UNLOAD",
648 [ READ_12
] = "READ_12",
649 [ WRITE_12
] = "WRITE_12",
650 [ WRITE_VERIFY_12
] = "WRITE_VERIFY_12",
651 [ VERIFY_12
] = "VERIFY_12",
652 [ SEARCH_HIGH_12
] = "SEARCH_HIGH_12",
653 [ SEARCH_EQUAL_12
] = "SEARCH_EQUAL_12",
654 [ SEARCH_LOW_12
] = "SEARCH_LOW_12",
655 [ READ_ELEMENT_STATUS
] = "READ_ELEMENT_STATUS",
656 [ SEND_VOLUME_TAG
] = "SEND_VOLUME_TAG",
657 [ READ_DEFECT_DATA_12
] = "READ_DEFECT_DATA_12",
658 [ SET_CD_SPEED
] = "SET_CD_SPEED",
661 if (cmd
>= ARRAY_SIZE(names
) || names
[cmd
] == NULL
)
666 SCSIRequest
*scsi_req_ref(SCSIRequest
*req
)
672 void scsi_req_unref(SCSIRequest
*req
)
674 if (--req
->refcount
== 0) {
675 if (req
->dev
->info
->free_req
) {
676 req
->dev
->info
->free_req(req
);
682 /* Tell the device that we finished processing this chunk of I/O. It
683 will start the next chunk or complete the command. */
684 void scsi_req_continue(SCSIRequest
*req
)
686 trace_scsi_req_continue(req
->dev
->id
, req
->lun
, req
->tag
);
687 if (req
->cmd
.mode
== SCSI_XFER_TO_DEV
) {
688 req
->dev
->info
->write_data(req
);
690 req
->dev
->info
->read_data(req
);
694 /* Called by the devices when data is ready for the HBA. The HBA should
695 start a DMA operation to read or fill the device's data buffer.
696 Once it completes, calling scsi_req_continue will restart I/O. */
697 void scsi_req_data(SCSIRequest
*req
, int len
)
699 trace_scsi_req_data(req
->dev
->id
, req
->lun
, req
->tag
, len
);
700 req
->bus
->ops
->transfer_data(req
, len
);
703 void scsi_req_print(SCSIRequest
*req
)
708 fprintf(fp
, "[%s id=%d] %s",
709 req
->dev
->qdev
.parent_bus
->name
,
711 scsi_command_name(req
->cmd
.buf
[0]));
712 for (i
= 1; i
< req
->cmd
.len
; i
++) {
713 fprintf(fp
, " 0x%02x", req
->cmd
.buf
[i
]);
715 switch (req
->cmd
.mode
) {
717 fprintf(fp
, " - none\n");
719 case SCSI_XFER_FROM_DEV
:
720 fprintf(fp
, " - from-dev len=%zd\n", req
->cmd
.xfer
);
722 case SCSI_XFER_TO_DEV
:
723 fprintf(fp
, " - to-dev len=%zd\n", req
->cmd
.xfer
);
726 fprintf(fp
, " - Oops\n");
731 void scsi_req_complete(SCSIRequest
*req
, int status
)
733 assert(req
->status
== -1);
734 req
->status
= status
;
736 assert(req
->sense_len
< sizeof(req
->sense
));
737 if (status
== GOOD
) {
741 if (req
->sense_len
) {
742 memcpy(req
->dev
->sense
, req
->sense
, req
->sense_len
);
744 req
->dev
->sense_len
= req
->sense_len
;
747 scsi_req_dequeue(req
);
748 req
->bus
->ops
->complete(req
, req
->status
);
752 void scsi_req_cancel(SCSIRequest
*req
)
754 if (req
->dev
&& req
->dev
->info
->cancel_io
) {
755 req
->dev
->info
->cancel_io(req
);
758 scsi_req_dequeue(req
);
759 if (req
->bus
->ops
->cancel
) {
760 req
->bus
->ops
->cancel(req
);
765 void scsi_req_abort(SCSIRequest
*req
, int status
)
767 if (req
->dev
&& req
->dev
->info
->cancel_io
) {
768 req
->dev
->info
->cancel_io(req
);
770 scsi_req_complete(req
, status
);
773 void scsi_device_purge_requests(SCSIDevice
*sdev
)
777 while (!QTAILQ_EMPTY(&sdev
->requests
)) {
778 req
= QTAILQ_FIRST(&sdev
->requests
);
779 scsi_req_cancel(req
);
783 static char *scsibus_get_fw_dev_path(DeviceState
*dev
)
785 SCSIDevice
*d
= DO_UPCAST(SCSIDevice
, qdev
, dev
);
786 SCSIBus
*bus
= scsi_bus_from_device(d
);
790 for (i
= 0; i
< bus
->ndev
; i
++) {
791 if (bus
->devs
[i
] == d
) {
796 assert(i
!= bus
->ndev
);
798 snprintf(path
, sizeof(path
), "%s@%x", qdev_fw_name(dev
), i
);