diff options
Diffstat (limited to 'hw/qdev.c')
| -rw-r--r-- | hw/qdev.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/hw/qdev.c b/hw/qdev.c index 31eb464f23..5b8d3742ec 100644 --- a/hw/qdev.c +++ b/hw/qdev.c @@ -32,6 +32,8 @@ #include "blockdev.h" static int qdev_hotplug = 0; +static bool qdev_hot_added = false; +static bool qdev_hot_removed = false; /* This is a nasty hack to allow passing a NULL bus to qdev_create. */ static BusState *main_system_bus; @@ -93,6 +95,7 @@ static DeviceState *qdev_create_from_info(BusState *bus, DeviceInfo *info) if (qdev_hotplug) { assert(bus->allow_hotplug); dev->hotplugged = 1; + qdev_hot_added = true; } dev->instance_id_alias = -1; dev->state = DEV_STATE_CREATED; @@ -294,6 +297,8 @@ int qdev_unplug(DeviceState *dev) } assert(dev->info->unplug != NULL); + qdev_hot_removed = true; + return dev->info->unplug(dev); } @@ -395,6 +400,11 @@ void qdev_machine_creation_done(void) qdev_hotplug = 1; } +bool qdev_machine_modified(void) +{ + return qdev_hot_added || qdev_hot_removed; +} + /* Get a character (serial) device interface. */ CharDriverState *qdev_init_chardev(DeviceState *dev) { |