From: Gonglei <arei.gong...@huawei.com>
We may use it check type of qbus's parent.
Signed-off-by: Gonglei <arei.gong...@huawei.com>
---
hw/core/qdev.c | 9 +++++++++
include/hw/qdev-core.h | 1 +
2 files changed, 10 insertions(+)
diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index fcb1638..c85bf99 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -616,6 +616,15 @@ BusState *qbus_create(const char *typename, DeviceState
*parent, const char *nam
return bus;
}
+DeviceState *qbus_get_parent(BusState *bus)
+{
+ if (bus) {
+ return bus->parent;
+ }
+
+ return NULL;
+}
+
static char *bus_get_fw_dev_path(BusState *bus, DeviceState *dev)
{
BusClass *bc = BUS_GET_CLASS(bus);
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index 178fee2..4bd561d 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -301,6 +301,7 @@ typedef int (qdev_walkerfn)(DeviceState *dev, void *opaque);
void qbus_create_inplace(void *bus, size_t size, const char *typename,
DeviceState *parent, const char *name);
BusState *qbus_create(const char *typename, DeviceState *parent, const char
*name);
+DeviceState *qbus_get_parent(BusState *bus);
/* Returns > 0 if either devfn or busfn skip walk somewhere in cursion,
* < 0 if either devfn or busfn terminate walk somewhere in cursion,
* 0 otherwise. */
--
1.7.12.4
