diff options
| author | Paul Durrant <paul.durrant@citrix.com> | 2015-01-20 11:05:07 +0000 |
|---|---|---|
| committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2015-01-20 14:24:07 +0000 |
| commit | 707ff80021ccd7a68f4b3d2c44eebf87efbb41c4 (patch) | |
| tree | 47a10385f3ec3ee9750d40ed44c0569f348119e9 /include/hw/qdev-core.h | |
| parent | 74acb99737dbedd86654d660c0c20815139a873c (diff) | |
Add device listener interface
The Xen ioreq-server API, introduced in Xen 4.5, requires that PCI device
models explicitly register with Xen for config space accesses. This patch
adds a listener interface into qdev-core which can be used by the Xen
interface code to monitor for arrival and departure of PCI devices.
Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/hw/qdev-core.h')
| -rw-r--r-- | include/hw/qdev-core.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h index 589bbe7360..15a226f24a 100644 --- a/include/hw/qdev-core.h +++ b/include/hw/qdev-core.h @@ -165,6 +165,12 @@ struct DeviceState { int alias_required_for_version; }; +struct DeviceListener { + void (*realize)(DeviceListener *listener, DeviceState *dev); + void (*unrealize)(DeviceListener *listener, DeviceState *dev); + QTAILQ_ENTRY(DeviceListener) link; +}; + #define TYPE_BUS "bus" #define BUS(obj) OBJECT_CHECK(BusState, (obj), TYPE_BUS) #define BUS_CLASS(klass) OBJECT_CLASS_CHECK(BusClass, (klass), TYPE_BUS) @@ -376,4 +382,8 @@ static inline bool qbus_is_hotpluggable(BusState *bus) { return bus->hotplug_handler; } + +void device_listener_register(DeviceListener *listener); +void device_listener_unregister(DeviceListener *listener); + #endif |