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Diffstat (limited to 'hw/qdev-properties.c')
-rw-r--r--hw/qdev-properties.c47
1 files changed, 40 insertions, 7 deletions
diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c
index 5b7fd77d44..7e3e99efcb 100644
--- a/hw/qdev-properties.c
+++ b/hw/qdev-properties.c
@@ -305,26 +305,42 @@ PropertyInfo qdev_prop_string = {
static int parse_drive(DeviceState *dev, Property *prop, const char *str)
{
- DriveInfo **ptr = qdev_get_prop_ptr(dev, prop);
+ BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop);
+ BlockDriverState *bs;
- *ptr = drive_get_by_id(str);
- if (*ptr == NULL)
+ bs = bdrv_find(str);
+ if (bs == NULL)
return -ENOENT;
+ if (bdrv_attach(bs, dev) < 0)
+ return -EEXIST;
+ *ptr = bs;
return 0;
}
+static void free_drive(DeviceState *dev, Property *prop)
+{
+ BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop);
+
+ if (*ptr) {
+ bdrv_detach(*ptr, dev);
+ blockdev_auto_del(*ptr);
+ }
+}
+
static int print_drive(DeviceState *dev, Property *prop, char *dest, size_t len)
{
- DriveInfo **ptr = qdev_get_prop_ptr(dev, prop);
- return snprintf(dest, len, "%s", (*ptr) ? (*ptr)->id : "<null>");
+ BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop);
+ return snprintf(dest, len, "%s",
+ *ptr ? bdrv_get_device_name(*ptr) : "<null>");
}
PropertyInfo qdev_prop_drive = {
.name = "drive",
.type = PROP_TYPE_DRIVE,
- .size = sizeof(DriveInfo*),
+ .size = sizeof(BlockDriverState *),
.parse = parse_drive,
.print = print_drive,
+ .free = free_drive,
};
/* --- character device --- */
@@ -647,11 +663,28 @@ void qdev_prop_set_string(DeviceState *dev, const char *name, char *value)
qdev_prop_set(dev, name, &value, PROP_TYPE_STRING);
}
-void qdev_prop_set_drive(DeviceState *dev, const char *name, DriveInfo *value)
+int qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState *value)
{
+ int res;
+
+ res = bdrv_attach(value, dev);
+ if (res < 0) {
+ error_report("Can't attach drive %s to %s.%s: %s",
+ bdrv_get_device_name(value),
+ dev->id ? dev->id : dev->info->name,
+ name, strerror(-res));
+ return -1;
+ }
qdev_prop_set(dev, name, &value, PROP_TYPE_DRIVE);
+ return 0;
}
+void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name, BlockDriverState *value)
+{
+ if (qdev_prop_set_drive(dev, name, value) < 0) {
+ exit(1);
+ }
+}
void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value)
{
qdev_prop_set(dev, name, &value, PROP_TYPE_CHR);