ide: Turn drive serial into a qdev property ide-drive.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>

1 files changed, 15 insertions, 1 deletions

diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c
index 9ebb906cc3..5e549d9d2f 100644
--- a/hw/ide/qdev.c
+++ b/hw/ide/qdev.c
@@ -99,7 +99,20 @@ typedef struct IDEDrive {
 static int ide_drive_initfn(IDEDevice *dev)
 {
     IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus);
-    ide_init_drive(bus->ifs + dev->unit, dev->conf.dinfo, dev->version);
+    IDEState *s = bus->ifs + dev->unit;
+    const char *serial;
+
+    serial = dev->serial;
+    if (!serial) {
+        /* try to fall back to value set with legacy -drive serial=... */
+        serial = dev->conf.dinfo->serial;
+    }
+
+    ide_init_drive(s, dev->conf.dinfo, dev->version, serial);
+
+    if (!dev->serial) {
+        dev->serial = qemu_strdup(s->drive_serial_str);
+    }
     return 0;
 }
 
@@ -111,6 +124,7 @@ static IDEDeviceInfo ide_drive_info = {
         DEFINE_PROP_UINT32("unit", IDEDrive, dev.unit, -1),
         DEFINE_BLOCK_PROPERTIES(IDEDrive, dev.conf),
         DEFINE_PROP_STRING("ver",  IDEDrive, dev.version),
+        DEFINE_PROP_STRING("serial",  IDEDrive, dev.serial),
         DEFINE_PROP_END_OF_LIST(),
     }
 };