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scsi-disk: implement eject requests 

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2011-10-25 12:53:40 +02:00 committed by Kevin Wolf
parent 2df0a3a308
commit 4480de19d9
1 changed files with 21 additions and 3 deletions
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24
hw/scsi-disk.c
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@ -65,6 +65,7 @@ struct SCSIDiskState
uint32_t removable; uint32_t removable;
bool media_changed; bool media_changed;
bool media_event; bool media_event;
bool eject_request;
QEMUBH *bh; QEMUBH *bh;
char *version; char *version;
char *serial; char *serial;
@ -671,9 +672,14 @@ static int scsi_event_status_media(SCSIDiskState *s, uint8_t *outbuf)
/* Event notification descriptor */ /* Event notification descriptor */
event_code = MEC_NO_CHANGE; event_code = MEC_NO_CHANGE;
if (media_status != MS_TRAY_OPEN && s->media_event) { if (media_status != MS_TRAY_OPEN) {
event_code = MEC_NEW_MEDIA; if (s->media_event) {
s->media_event = false; event_code = MEC_NEW_MEDIA;
s->media_event = false;
} else if (s->eject_request) {
event_code = MEC_EJECT_REQUESTED;
s->eject_request = false;
}
} }
outbuf[0] = event_code; outbuf[0] = event_code;
@ -1470,6 +1476,17 @@ static void scsi_cd_change_media_cb(void *opaque, bool load)
s->tray_open = !load; s->tray_open = !load;
s->qdev.unit_attention = SENSE_CODE(UNIT_ATTENTION_NO_MEDIUM); s->qdev.unit_attention = SENSE_CODE(UNIT_ATTENTION_NO_MEDIUM);
s->media_event = true; s->media_event = true;
s->eject_request = false;
}
static void scsi_cd_eject_request_cb(void *opaque, bool force)
{
SCSIDiskState *s = opaque;
s->eject_request = true;
if (force) {
s->tray_locked = false;
}
} }
static bool scsi_cd_is_tray_open(void *opaque) static bool scsi_cd_is_tray_open(void *opaque)
@ -1484,6 +1501,7 @@ static bool scsi_cd_is_medium_locked(void *opaque)
static const BlockDevOps scsi_cd_block_ops = { static const BlockDevOps scsi_cd_block_ops = {
.change_media_cb = scsi_cd_change_media_cb, .change_media_cb = scsi_cd_change_media_cb,
.eject_request_cb = scsi_cd_eject_request_cb,
.is_tray_open = scsi_cd_is_tray_open, .is_tray_open = scsi_cd_is_tray_open,
.is_medium_locked = scsi_cd_is_medium_locked, .is_medium_locked = scsi_cd_is_medium_locked,
}; };