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-rw-r--r--include/hw/boards.h9
-rw-r--r--include/hw/qdev-core.h1
2 files changed, 10 insertions, 0 deletions
diff --git a/include/hw/boards.h b/include/hw/boards.h
index 2289536e48..be18a5c032 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -166,6 +166,13 @@ typedef struct {
* The function pointer to hook different machine specific functions for
* parsing "smp-opts" from QemuOpts to MachineState::CpuTopology and more
* machine specific topology fields, such as smp_dies for PCMachine.
+ * @hotplug_allowed:
+ * If the hook is provided, then it'll be called for each device
+ * hotplug to check whether the device hotplug is allowed. Return
+ * true to grant allowance or false to reject the hotplug. When
+ * false is returned, an error must be set to show the reason of
+ * the rejection. If the hook is not provided, all hotplug will be
+ * allowed.
*/
struct MachineClass {
/*< private >*/
@@ -224,6 +231,8 @@ struct MachineClass {
HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
DeviceState *dev);
+ bool (*hotplug_allowed)(MachineState *state, DeviceState *dev,
+ Error **errp);
CpuInstanceProperties (*cpu_index_to_instance_props)(MachineState *machine,
unsigned cpu_index);
const CPUArchIdList *(*possible_cpu_arch_ids)(MachineState *machine);
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index de70b7a19a..aa123f88cb 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -280,6 +280,7 @@ void qdev_set_legacy_instance_id(DeviceState *dev, int alias_id,
int required_for_version);
HotplugHandler *qdev_get_bus_hotplug_handler(DeviceState *dev);
HotplugHandler *qdev_get_machine_hotplug_handler(DeviceState *dev);
+bool qdev_hotplug_allowed(DeviceState *dev, Error **errp);
/**
* qdev_get_hotplug_handler: Get handler responsible for device wiring
*