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| author | Cindy Lu <lulu@redhat.com> | 2022-12-22 15:04:47 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2023-01-08 01:54:22 -0500 |
| commit | 7d847d0c9b93b91160f40d69a65c904d76f1edd8 (patch) | |
| tree | 15df50e6f4d4ca368ce07fc0f7b31540ed9512c4 /include/hw | |
| parent | 259f3acc1c675dd77ebbdb28a483f5d0220bdbf6 (diff) | |
| download | qemu-7d847d0c9b93b91160f40d69a65c904d76f1edd8.zip qemu-7d847d0c9b93b91160f40d69a65c904d76f1edd8.tar.gz qemu-7d847d0c9b93b91160f40d69a65c904d76f1edd8.tar.bz2 | |
virtio: add support for configure interrupt
Add the functions to support the configure interrupt in virtio
The function virtio_config_guest_notifier_read will notify the
guest if there is an configure interrupt.
The function virtio_config_set_guest_notifier_fd_handler is
to set the fd hander for the notifier
Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20221222070451.936503-7-lulu@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/virtio/virtio.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index 8266d24..4219968 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -155,6 +155,7 @@ struct VirtIODevice AddressSpace *dma_as; QLIST_HEAD(, VirtQueue) *vector_queues; QTAILQ_ENTRY(VirtIODevice) next; + EventNotifier config_notifier; }; struct VirtioDeviceClass { @@ -377,6 +378,9 @@ void virtio_queue_aio_attach_host_notifier_no_poll(VirtQueue *vq, AioContext *ct void virtio_queue_aio_detach_host_notifier(VirtQueue *vq, AioContext *ctx); VirtQueue *virtio_vector_first_queue(VirtIODevice *vdev, uint16_t vector); VirtQueue *virtio_vector_next_queue(VirtQueue *vq); +EventNotifier *virtio_config_get_guest_notifier(VirtIODevice *vdev); +void virtio_config_set_guest_notifier_fd_handler(VirtIODevice *vdev, + bool assign, bool with_irqfd); static inline void virtio_add_feature(uint64_t *features, unsigned int fbit) { |