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vhost: Add worker backend callouts

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This adds the vhost backend callouts for the worker ioctls added in the
6.4 linux kernel commit:

c1ecd8e95007 ("vhost: allow userspace to create workers")

Signed-off-by: Mike Christie <michael.christie@oracle.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

Message-Id: <20231204231618.21962-2-michael.christie@oracle.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Mike Christie 2023-12-04 17:16:17 -06:00 • committed by Michael S. Tsirkin
parent c40db4ba60
commit 9aad781959
2 changed files with 42 additions and 0 deletions
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14
include/hw/virtio/vhost-backend.h
View file

@ -45,6 +45,8 @@ struct vhost_memory;
struct vhost_vring_file;
struct vhost_vring_state;
struct vhost_vring_addr;
struct vhost_vring_worker;
struct vhost_worker_state;
struct vhost_scsi_target;
struct vhost_iotlb_msg;
struct vhost_virtqueue;
@ -85,6 +87,14 @@ typedef int (*vhost_set_vring_err_op)(struct vhost_dev *dev,
struct vhost_vring_file *file);
typedef int (*vhost_set_vring_busyloop_timeout_op)(struct vhost_dev *dev,
struct vhost_vring_state *r);
typedef int (*vhost_attach_vring_worker_op)(struct vhost_dev *dev,
struct vhost_vring_worker *worker);
typedef int (*vhost_get_vring_worker_op)(struct vhost_dev *dev,
struct vhost_vring_worker *worker);
typedef int (*vhost_new_worker_op)(struct vhost_dev *dev,
struct vhost_worker_state *worker);
typedef int (*vhost_free_worker_op)(struct vhost_dev *dev,
struct vhost_worker_state *worker);
typedef int (*vhost_set_features_op)(struct vhost_dev *dev,
uint64_t features);
typedef int (*vhost_get_features_op)(struct vhost_dev *dev,
@ -172,6 +182,10 @@ typedef struct VhostOps {
vhost_set_vring_call_op vhost_set_vring_call;
vhost_set_vring_err_op vhost_set_vring_err;
vhost_set_vring_busyloop_timeout_op vhost_set_vring_busyloop_timeout;
vhost_new_worker_op vhost_new_worker;
vhost_free_worker_op vhost_free_worker;
vhost_get_vring_worker_op vhost_get_vring_worker;
vhost_attach_vring_worker_op vhost_attach_vring_worker;
vhost_set_features_op vhost_set_features;
vhost_get_features_op vhost_get_features;
vhost_set_backend_cap_op vhost_set_backend_cap;