qdev: add parser for chardev properties

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c
index 28b2716b0468d25f9d8cdd7f205793ef0d25e296..2ecb58df2a22d434654dc85824d1b648114fc030 100644 (file)
--- a/hw/qdev-properties.c
+++ b/hw/qdev-properties.c
@@ -193,6 +193,16 @@ PropertyInfo qdev_prop_drive = {
 
 /* --- character device --- */
 
+static int parse_chr(DeviceState *dev, Property *prop, const char *str)
+{
+    CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
+
+    *ptr = qemu_chr_find(str);
+    if (*ptr == NULL)
+        return -1;
+    return 0;
+}
+
 static int print_chr(DeviceState *dev, Property *prop, char *dest, size_t len)
 {
     CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
@@ -208,6 +218,7 @@ PropertyInfo qdev_prop_chr = {
     .name  = "chr",
     .type  = PROP_TYPE_CHR,
     .size  = sizeof(CharDriverState*),
+    .parse = parse_chr,
     .print = print_chr,
 };