diff options
Diffstat (limited to 'include/hw/virtio/virtio-bus.h')
| -rw-r--r-- | include/hw/virtio/virtio-bus.h | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/include/hw/virtio/virtio-bus.h b/include/hw/virtio/virtio-bus.h index 9217f85abc..0756545d4d 100644 --- a/include/hw/virtio/virtio-bus.h +++ b/include/hw/virtio/virtio-bus.h @@ -61,7 +61,7 @@ typedef struct VirtioBusClass { * transport independent exit function. * This is called by virtio-bus just before the device is unplugged. */ - void (*device_unplug)(DeviceState *d); + void (*device_unplugged)(DeviceState *d); /* * Does the transport have variable vring alignment? * (ie can it ever call virtio_queue_set_align()?) @@ -72,15 +72,11 @@ typedef struct VirtioBusClass { struct VirtioBusState { BusState parent_obj; - /* - * Only one VirtIODevice can be plugged on the bus. - */ - VirtIODevice *vdev; }; -int virtio_bus_plug_device(VirtIODevice *vdev); +int virtio_bus_device_plugged(VirtIODevice *vdev); void virtio_bus_reset(VirtioBusState *bus); -void virtio_bus_destroy_device(VirtioBusState *bus); +void virtio_bus_device_unplugged(VirtIODevice *bus); /* Get the device id of the plugged device. */ uint16_t virtio_bus_get_vdev_id(VirtioBusState *bus); /* Get the config_len field of the plugged device. */ @@ -98,4 +94,16 @@ void virtio_bus_get_vdev_config(VirtioBusState *bus, uint8_t *config); /* Set config of the plugged device. */ void virtio_bus_set_vdev_config(VirtioBusState *bus, uint8_t *config); +static inline VirtIODevice *virtio_bus_get_device(VirtioBusState *bus) +{ + BusState *qbus = &bus->parent_obj; + BusChild *kid = QTAILQ_FIRST(&qbus->children); + DeviceState *qdev = kid ? kid->child : NULL; + + /* This is used on the data path, the cast is guaranteed + * to succeed by the qdev machinery. + */ + return (VirtIODevice *)qdev; +} + #endif /* VIRTIO_BUS_H */ |