qdev: Add machine_get_container()

Add a helper to fetch machine containers.  Add some sanity check around.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-ID: <20241121192202.4155849-10-peterx@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Peter Xu 2024-11-21 14:21:58 -05:00 committed by Philippe Mathieu-Daudé
parent 63450f322b
commit 41fc917728
2 changed files with 21 additions and 0 deletions

View file

@ -828,6 +828,17 @@ Object *qdev_get_machine(void)
return dev;
}
Object *machine_get_container(const char *name)
{
Object *container, *machine;
machine = qdev_get_machine();
container = object_resolve_path_component(machine, name);
assert(object_dynamic_cast(container, TYPE_CONTAINER));
return container;
}
char *qdev_get_human_name(DeviceState *dev)
{
g_assert(dev != NULL);

View file

@ -1033,6 +1033,16 @@ Object *qdev_get_machine(void);
*/
void qdev_create_fake_machine(void);
/**
* machine_get_container:
* @name: The name of container to lookup
*
* Get a container of the machine (QOM path "/machine/NAME").
*
* Returns: the machine container object.
*/
Object *machine_get_container(const char *name);
/**
* qdev_get_human_name() - Return a human-readable name for a device
* @dev: The device. Must be a valid and non-NULL pointer.