[PATCH net-next v22 03/14] virtio: Add config_op for admin commands
Shahar Shitrit <[email protected]>
| Newsgroups | gmane.linux.kernel.virtualization,gmane.linux.network |
|---|---|
| Message-ID | <[email protected]> |
From: Daniel Jurgens <[email protected]> This will allow device drivers to issue administration commands. Signed-off-by: Daniel Jurgens <[email protected]> Reviewed-by: Parav Pandit <[email protected]> Reviewed-by: Xuan Zhuo <[email protected]> --- drivers/virtio/virtio_pci_modern.c | 2 ++ include/linux/virtio_config.h | 6 ++++++ 2 files changed, 8 insertions(+) diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index dab63b044a31..3b2515e29728 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -1248,6 +1248,7 @@ static const struct virtio_config_ops virtio_pci_config_nodev_ops = { .get_shm_region = vp_get_shm_region, .disable_vq_and_reset = vp_modern_disable_vq_and_reset, .enable_vq_after_reset = vp_modern_enable_vq_after_reset, + .admin_cmd_exec = vp_modern_admin_cmd_exec, }; static const struct virtio_config_ops virtio_pci_config_ops = { @@ -1268,6 +1269,7 @@ static const struct virtio_config_ops virtio_pci_config_ops = { .get_shm_region = vp_get_shm_region, .disable_vq_and_reset = vp_modern_disable_vq_and_reset, .enable_vq_after_reset = vp_modern_enable_vq_after_reset, + .admin_cmd_exec = vp_modern_admin_cmd_exec, }; /* the PCI probing function */ diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 69f84ea85d71..e36a32e0a20c 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -108,6 +108,10 @@ struct virtqueue_info { * Returns 0 on success or error status * If disable_vq_and_reset is set, then enable_vq_after_reset must also be * set. + * @admin_cmd_exec: Execute an admin VQ command (optional). + * vdev: the virtio_device + * cmd: the command to execute + * Returns 0 on success or error status */ struct virtio_config_ops { void (*get)(struct virtio_device *vdev, unsigned offset, @@ -137,6 +141,8 @@ struct virtio_config_ops { struct virtio_shm_region *region, u8 id); int (*disable_vq_and_reset)(struct virtqueue *vq); int (*enable_vq_after_reset)(struct virtqueue *vq); + int (*admin_cmd_exec)(struct virtio_device *vdev, + struct virtio_admin_cmd *cmd); }; /** -- 2.49.0