diff options
| author | Feng Liu <feliu@nvidia.com> | 2023-12-19 11:32:40 +0200 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2023-12-19 11:51:31 -0700 |
| commit | fd27ef6b44bec26915c5b2b22c13856d9f0ba17a (patch) | |
| tree | e9823713c0bf880a4dbf580f4eaaca0d839fe300 /include/linux/virtio_pci_modern.h | |
| parent | 838bebb4c926a573839ff1bfe1b654a6ed0f9779 (diff) | |
virtio-pci: Introduce admin virtqueue
Introduce support for the admin virtqueue. By negotiating
VIRTIO_F_ADMIN_VQ feature, driver detects capability and creates one
administration virtqueue. Administration virtqueue implementation in
virtio pci generic layer, enables multiple types of upper layer
drivers such as vfio, net, blk to utilize it.
Signed-off-by: Feng Liu <feliu@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Link: https://lore.kernel.org/r/20231219093247.170936-3-yishaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'include/linux/virtio_pci_modern.h')
| -rw-r--r-- | include/linux/virtio_pci_modern.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/virtio_pci_modern.h b/include/linux/virtio_pci_modern.h index a09e13a577a9..c0b1b1ca1163 100644 --- a/include/linux/virtio_pci_modern.h +++ b/include/linux/virtio_pci_modern.h @@ -125,4 +125,6 @@ int vp_modern_probe(struct virtio_pci_modern_device *mdev); void vp_modern_remove(struct virtio_pci_modern_device *mdev); int vp_modern_get_queue_reset(struct virtio_pci_modern_device *mdev, u16 index); void vp_modern_set_queue_reset(struct virtio_pci_modern_device *mdev, u16 index); +u16 vp_modern_avq_num(struct virtio_pci_modern_device *mdev); +u16 vp_modern_avq_index(struct virtio_pci_modern_device *mdev); #endif |