qdev: add property type for 32bit signed integers.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c
index 12ff46bf0b..28b2716b04 100644
--- a/hw/qdev-properties.c
+++ b/hw/qdev-properties.c
@@ -64,6 +64,29 @@ PropertyInfo qdev_prop_uint32 = {
     .print = print_uint32,
 };
 
+static int parse_int32(DeviceState *dev, Property *prop, const char *str)
+{
+    int32_t *ptr = qdev_get_prop_ptr(dev, prop);
+
+    if (sscanf(str, "%" PRId32, ptr) != 1)
+        return -1;
+    return 0;
+}
+
+static int print_int32(DeviceState *dev, Property *prop, char *dest, size_t len)
+{
+    int32_t *ptr = qdev_get_prop_ptr(dev, prop);
+    return snprintf(dest, len, "%" PRId32, *ptr);
+}
+
+PropertyInfo qdev_prop_int32 = {
+    .name  = "int32",
+    .type  = PROP_TYPE_INT32,
+    .size  = sizeof(int32_t),
+    .parse = parse_int32,
+    .print = print_int32,
+};
+
 /* --- 32bit hex value --- */
 
 static int parse_hex32(DeviceState *dev, Property *prop, const char *str)
@@ -367,6 +390,11 @@ void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value)
     qdev_prop_set(dev, name, &value, PROP_TYPE_UINT32);
 }
 
+void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value)
+{
+    qdev_prop_set(dev, name, &value, PROP_TYPE_INT32);
+}
+
 void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value)
 {
     qdev_prop_set(dev, name, &value, PROP_TYPE_UINT64);