[Qemu-devel] [PATCH 01/10 v2] qdev: add qdev property for bool type

[Igor Mammedov <imammedo@redhat.com>]

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
v2:
  - fixed indentation
  - replaced error message. Suggested-By: Andreas Färber <afaerber@suse.de>
---
 hw/qdev-properties.c |   33 +++++++++++++++++++++++++++++++++
 hw/qdev-properties.h |   10 ++++++++++
 2 files changed, 43 insertions(+), 0 deletions(-)

diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c
index a8a31f5..b0f2333 100644
--- a/hw/qdev-properties.c
+++ b/hw/qdev-properties.c
@@ -106,6 +106,39 @@ PropertyInfo qdev_prop_bit = {
     .set   = set_bit,
 };
 
+/* --- bool --- */
+
+static void get_bool(Object *obj, Visitor *v, void *opaque,
+                     const char *name, Error **errp)
+{
+    DeviceState *dev = DEVICE(obj);
+    Property *prop = opaque;
+    bool *ptr = qdev_get_prop_ptr(dev, prop);
+
+    visit_type_bool(v, ptr, name, errp);
+}
+
+static void set_bool(Object *obj, Visitor *v, void *opaque,
+                     const char *name, Error **errp)
+{
+    DeviceState *dev = DEVICE(obj);
+    Property *prop = opaque;
+    bool *ptr = qdev_get_prop_ptr(dev, prop);
+
+    if (dev->realized) {
+        error_setg(errp, "Property '%s' cannot be changed once realized", name);
+        return;
+    }
+
+    visit_type_bool(v, ptr, name, errp);
+}
+
+PropertyInfo qdev_prop_bool = {
+    .name  = "boolean",
+    .get   = get_bool,
+    .set   = set_bool,
+};
+
 /* --- 8bit integer --- */
 
 static void get_uint8(Object *obj, Visitor *v, void *opaque,
diff --git a/hw/qdev-properties.h b/hw/qdev-properties.h
index 20c67f3..3915f7c 100644
--- a/hw/qdev-properties.h
+++ b/hw/qdev-properties.h
@@ -6,6 +6,7 @@
 /*** qdev-properties.c ***/
 
 extern PropertyInfo qdev_prop_bit;
+extern PropertyInfo qdev_prop_bool;
 extern PropertyInfo qdev_prop_uint8;
 extern PropertyInfo qdev_prop_uint16;
 extern PropertyInfo qdev_prop_uint32;
@@ -51,6 +52,15 @@ extern PropertyInfo qdev_prop_pci_host_devaddr;
         .defval    = (bool)_defval,                              \
         }
 
+#define DEFINE_PROP_BOOL(_name, _state, _field, _defval) {       \
+        .name      = (_name),                                    \
+        .info      = &(qdev_prop_bool),                          \
+        .offset    = offsetof(_state, _field)                    \
+            + type_check(bool, typeof_field(_state, _field)),    \
+        .qtype     = QTYPE_QBOOL,                                \
+        .defval    = (bool)_defval,                              \
+        }
+
 #define DEFINE_PROP_UINT8(_n, _s, _f, _d)                       \
     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint8, uint8_t)
 #define DEFINE_PROP_UINT16(_n, _s, _f, _d)                      \
-- 
1.7.1