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authorMarkus Armbruster <armbru@redhat.com>2010-06-01 20:32:34 +0200
committerKevin Wolf <kwolf@redhat.com>2010-06-04 11:43:39 +0200
commita0fef654f6dec1348a074a17a6b809d0ba77b34e (patch)
treee14ac64b467198aefe20207b72fbe05bf47acea8
parent03432407256b8e39d76c9e6cd39dc553e7b646d8 (diff)
scsi: Turn drive serial into a qdev property scsi-disk.serial
It needs to be a qdev property, because it belongs to the drive's guest part. Bonus: info qtree now shows the serial number. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r--hw/scsi-disk.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index 4d209197c..e8c066adf 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -66,6 +66,7 @@ struct SCSIDiskState
uint64_t max_lba;
QEMUBH *bh;
char *version;
+ char *serial;
};
static SCSIDiskReq *scsi_new_request(SCSIDevice *d, uint32_t tag, uint32_t lun)
@@ -359,9 +360,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
case 0x80: /* Device serial number, optional */
{
- const char *serial = req->dev->conf.dinfo->serial ?
- req->dev->conf.dinfo->serial : "0";
- int l = strlen(serial);
+ int l = strlen(s->serial);
if (l > req->cmd.xfer)
l = req->cmd.xfer;
@@ -371,7 +370,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
DPRINTF("Inquiry EVPD[Serial number] "
"buffer size %zd\n", req->cmd.xfer);
outbuf[buflen++] = l;
- memcpy(outbuf+buflen, serial, l);
+ memcpy(outbuf+buflen, s->serial, l);
buflen += l;
break;
}
@@ -1058,6 +1057,15 @@ static int scsi_disk_initfn(SCSIDevice *dev)
}
s->bs = s->qdev.conf.dinfo->bdrv;
+ if (!s->serial) {
+ if (*dev->conf.dinfo->serial) {
+ /* try to fall back to value set with legacy -drive serial=... */
+ s->serial = qemu_strdup(dev->conf.dinfo->serial);
+ } else {
+ s->serial = qemu_strdup("0");
+ }
+ }
+
if (bdrv_is_sg(s->bs)) {
error_report("scsi-disk: unwanted /dev/sg*");
return -1;
@@ -1090,6 +1098,7 @@ static SCSIDeviceInfo scsi_disk_info = {
.qdev.props = (Property[]) {
DEFINE_BLOCK_PROPERTIES(SCSIDiskState, qdev.conf),
DEFINE_PROP_STRING("ver", SCSIDiskState, version),
+ DEFINE_PROP_STRING("serial", SCSIDiskState, serial),
DEFINE_PROP_END_OF_LIST(),
},
};