qdev: add property type for 32bit signed integers.

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

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);

hw/qdev.h

@@ -62,6 +62,7 @@ enum PropertyType {
     PROP_TYPE_UNSPEC = 0,
     PROP_TYPE_UINT16,
     PROP_TYPE_UINT32,
+    PROP_TYPE_INT32,
     PROP_TYPE_UINT64,
     PROP_TYPE_TADDR,
     PROP_TYPE_MACADDR,
@@ -156,6 +157,7 @@ void do_info_qdm(Monitor *mon);
 
 extern PropertyInfo qdev_prop_uint16;
 extern PropertyInfo qdev_prop_uint32;
+extern PropertyInfo qdev_prop_int32;
 extern PropertyInfo qdev_prop_uint64;
 extern PropertyInfo qdev_prop_hex32;
 extern PropertyInfo qdev_prop_hex64;
@@ -183,6 +185,8 @@ extern PropertyInfo qdev_prop_pci_devfn;
     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint16, uint16_t)
 #define DEFINE_PROP_UINT32(_n, _s, _f, _d)                      \
     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint32, uint32_t)
+#define DEFINE_PROP_INT32(_n, _s, _f, _d)                      \
+    DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_int32, int32_t)
 #define DEFINE_PROP_UINT64(_n, _s, _f, _d)                      \
     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint64, uint64_t)
 #define DEFINE_PROP_HEX32(_n, _s, _f, _d)                       \
@@ -210,6 +214,7 @@ int qdev_prop_parse(DeviceState *dev, const char *name, const char *value);
 void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type);
 void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value);
 void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value);
+void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value);
 void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value);
 void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value);
 void qdev_prop_set_drive(DeviceState *dev, const char *name, DriveInfo *value);