scsi-block: extract scsi_block_is_passthrough
This will be used for both scsi_block_new_request and the scsi-block implementation of parse_cdb. Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
parent
ff34c32ccc
commit
592c3b289f
|
@ -2501,12 +2501,8 @@ static int scsi_block_initfn(SCSIDevice *dev)
|
|||
return scsi_initfn(&s->qdev);
|
||||
}
|
||||
|
||||
static SCSIRequest *scsi_block_new_request(SCSIDevice *d, uint32_t tag,
|
||||
uint32_t lun, uint8_t *buf,
|
||||
void *hba_private)
|
||||
static bool scsi_block_is_passthrough(SCSIDiskState *s, uint8_t *buf)
|
||||
{
|
||||
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, d);
|
||||
|
||||
switch (buf[0]) {
|
||||
case READ_6:
|
||||
case READ_10:
|
||||
|
@ -2542,14 +2538,32 @@ static SCSIRequest *scsi_block_new_request(SCSIDevice *d, uint32_t tag,
|
|||
* just make scsi-block operate the same as scsi-generic for them.
|
||||
*/
|
||||
if (s->qdev.type != TYPE_ROM) {
|
||||
return false;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
static SCSIRequest *scsi_block_new_request(SCSIDevice *d, uint32_t tag,
|
||||
uint32_t lun, uint8_t *buf,
|
||||
void *hba_private)
|
||||
{
|
||||
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, d);
|
||||
|
||||
if (scsi_block_is_passthrough(s, buf)) {
|
||||
return scsi_req_alloc(&scsi_generic_req_ops, &s->qdev, tag, lun,
|
||||
hba_private);
|
||||
} else {
|
||||
return scsi_req_alloc(&scsi_disk_dma_reqops, &s->qdev, tag, lun,
|
||||
hba_private);
|
||||
}
|
||||
}
|
||||
|
||||
return scsi_req_alloc(&scsi_generic_req_ops, &s->qdev, tag, lun,
|
||||
hba_private);
|
||||
}
|
||||
#endif
|
||||
|
||||
#define DEFINE_SCSI_DISK_PROPERTIES() \
|
||||
|
|
Loading…
Reference in a new issue