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qom: Refine container_get() to allow using a custom root 

Specify the root to search from as argument. This avoids hardcoding
"/machine" in some places and makes it more flexible.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Anthony Liguori <anthony@codemonkey.ws>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Andreas Färber 2012-04-05 13:21:46 +02:00 committed by Anthony Liguori
parent 7f3bf92fad
commit dfe47e7029
4 changed files with 10 additions and 8 deletions
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4
hw/qdev-monitor.c
View File

@ -181,7 +181,7 @@ static Object *qdev_get_peripheral(void)
static Object *dev;
if (dev == NULL) {
dev = container_get("/machine/peripheral");
dev = container_get(qdev_get_machine(), "/peripheral");
}
return dev;
@ -192,7 +192,7 @@ static Object *qdev_get_peripheral_anon(void)
static Object *dev;
if (dev == NULL) {
dev = container_get("/machine/peripheral-anon");
dev = container_get(qdev_get_machine(), "/peripheral-anon");
}
return dev;

7
hw/qdev.c
View File

@ -158,8 +158,9 @@ int qdev_init(DeviceState *dev)
static int unattached_count = 0;
gchar *name = g_strdup_printf("device[%d]", unattached_count++);
object_property_add_child(container_get("/machine/unattached"), name,
OBJECT(dev), NULL);
object_property_add_child(container_get(qdev_get_machine(),
"/unattached"),
name, OBJECT(dev), NULL);
g_free(name);
}
@ -677,7 +678,7 @@ Object *qdev_get_machine(void)
static Object *dev;
if (dev == NULL) {
dev = container_get("/machine");
dev = container_get(object_get_root(), "/machine");
}
return dev;

3
include/qemu/object.h
View File

@ -905,6 +905,7 @@ void object_property_add_str(Object *obj, const char *name,
/**
* container_get:
* @root: root of the #path, e.g., object_get_root()
* @path: path to the container
*
* Return a container object whose path is @path. Create more containers
@ -912,7 +913,7 @@ void object_property_add_str(Object *obj, const char *name,
*
* Returns: the container object.
*/
Object *container_get(const char *path);
Object *container_get(Object *root, const char *path);
#endif

4
qom/container.c
View File

@ -25,7 +25,7 @@ static void container_register_types(void)
type_register_static(&container_info);
}
Object *container_get(const char *path)
Object *container_get(Object *root, const char *path)
{
Object *obj, *child;
gchar **parts;
@ -33,7 +33,7 @@ Object *container_get(const char *path)
parts = g_strsplit(path, "/", 0);
assert(parts != NULL && parts[0] != NULL && !parts[0][0]);
obj = object_get_root();
obj = root;
for (i = 1; parts[i] != NULL; i++, obj = child) {
child = object_resolve_path_component(obj, parts[i]);