diff options
Diffstat (limited to 'include/hw/virtio/virtio-bus.h')
| -rw-r--r-- | include/hw/virtio/virtio-bus.h | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/include/hw/virtio/virtio-bus.h b/include/hw/virtio/virtio-bus.h index 2e4b67ea50..fdf7fdab81 100644 --- a/include/hw/virtio/virtio-bus.h +++ b/include/hw/virtio/virtio-bus.h @@ -70,21 +70,11 @@ typedef struct VirtioBusClass { void (*device_unplugged)(DeviceState *d); int (*query_nvectors)(DeviceState *d); /* - * ioeventfd handling: if the transport implements ioeventfd_started, - * it must implement the other ioeventfd callbacks as well + * ioeventfd handling: if the transport implements ioeventfd_assign, + * it must implement ioeventfd_enabled as well. */ - /* Returns true if the ioeventfd has been started for the device. */ - bool (*ioeventfd_started)(DeviceState *d); - /* - * Sets the 'ioeventfd started' state after the ioeventfd has been - * started/stopped for the device. err signifies whether an error - * had occurred. - */ - void (*ioeventfd_set_started)(DeviceState *d, bool started, bool err); - /* Returns true if the ioeventfd has been disabled for the device. */ - bool (*ioeventfd_disabled)(DeviceState *d); - /* Sets the 'ioeventfd disabled' state for the device. */ - void (*ioeventfd_set_disabled)(DeviceState *d, bool disabled); + /* Returns true if the ioeventfd is enabled for the device. */ + bool (*ioeventfd_enabled)(DeviceState *d); /* * Assigns/deassigns the ioeventfd backing for the transport on * the device for queue number n. Returns an error value on @@ -102,6 +92,11 @@ typedef struct VirtioBusClass { struct VirtioBusState { BusState parent_obj; + + /* + * Set if ioeventfd has been started. + */ + bool ioeventfd_started; }; void virtio_bus_device_plugged(VirtIODevice *vdev, Error **errp); @@ -130,8 +125,10 @@ static inline VirtIODevice *virtio_bus_get_device(VirtioBusState *bus) return (VirtIODevice *)qdev; } +/* Return whether the proxy allows ioeventfd. */ +bool virtio_bus_ioeventfd_enabled(VirtioBusState *bus); /* Start the ioeventfd. */ -void virtio_bus_start_ioeventfd(VirtioBusState *bus); +int virtio_bus_start_ioeventfd(VirtioBusState *bus); /* Stop the ioeventfd. */ void virtio_bus_stop_ioeventfd(VirtioBusState *bus); /* Switch from/to the generic ioeventfd handler */ |