diff options
Diffstat (limited to 'include/hw/virtio/virtio.h')
| -rw-r--r-- | include/hw/virtio/virtio.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index 6386910..c594764 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -14,7 +14,7 @@ #ifndef QEMU_VIRTIO_H #define QEMU_VIRTIO_H -#include "exec/memory.h" +#include "system/memory.h" #include "hw/qdev-core.h" #include "net/net.h" #include "migration/vmstate.h" @@ -186,7 +186,7 @@ struct VirtioDeviceClass { void (*get_config)(VirtIODevice *vdev, uint8_t *config); void (*set_config)(VirtIODevice *vdev, const uint8_t *config); void (*reset)(VirtIODevice *vdev); - void (*set_status)(VirtIODevice *vdev, uint8_t val); + int (*set_status)(VirtIODevice *vdev, uint8_t val); /* Device must validate queue_index. */ void (*queue_reset)(VirtIODevice *vdev, uint32_t queue_index); /* Device must validate queue_index. */ @@ -210,8 +210,14 @@ struct VirtioDeviceClass { void (*guest_notifier_mask)(VirtIODevice *vdev, int n, bool mask); int (*start_ioeventfd)(VirtIODevice *vdev); void (*stop_ioeventfd)(VirtIODevice *vdev); - /* Called before loading queues. Useful to add queues before loading. */ - int (*pre_load_queues)(VirtIODevice *vdev); + /* + * Called before loading queues. + * If the number of queues change at runtime, use @n to know the + * number and add or remove queues accordingly. + * Note that this function is called in the middle of loading vmsd; + * no assumption should be made on states being loaded from vmsd. + */ + int (*pre_load_queues)(VirtIODevice *vdev, uint32_t n); /* Saving and loading of a device; trying to deprecate save/load * use vmsd for new devices. */ |