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scsi-disk: Factor out scsi_disk_emulate_start_stop() 

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Markus Armbruster 2011-09-06 18:58:39 +02:00 committed by Kevin Wolf
parent dd06333392
commit bfd52647ad
1 changed files with 13 additions and 4 deletions
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17
hw/scsi-disk.c
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@ -814,6 +814,18 @@ static int scsi_disk_emulate_read_toc(SCSIRequest *req, uint8_t *outbuf)
return toclen; return toclen;
} }
static void scsi_disk_emulate_start_stop(SCSIDiskReq *r)
{
SCSIRequest *req = &r->req;
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev);
bool start = req->cmd.buf[4] & 1;
bool loej = req->cmd.buf[4] & 2; /* load on start, eject on !start */
if (s->qdev.type == TYPE_ROM && loej) {
bdrv_eject(s->bs, !start);
}
}
static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf) static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf)
{ {
SCSIRequest *req = &r->req; SCSIRequest *req = &r->req;
@ -859,10 +871,7 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf)
goto illegal_request; goto illegal_request;
break; break;
case START_STOP: case START_STOP:
if (s->qdev.type == TYPE_ROM && (req->cmd.buf[4] & 2)) { scsi_disk_emulate_start_stop(r);
/* load/eject medium */
bdrv_eject(s->bs, !(req->cmd.buf[4] & 1));
}
break; break;
case ALLOW_MEDIUM_REMOVAL: case ALLOW_MEDIUM_REMOVAL:
bdrv_set_locked(s->bs, req->cmd.buf[4] & 1); bdrv_set_locked(s->bs, req->cmd.buf[4] & 1);