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authorMike Christie <michael.christie@oracle.com>2023-12-04 17:16:17 -0600
committerMichael S. Tsirkin <mst@redhat.com>2023-12-25 11:34:55 -0500
commit9aad781959d770eb2479596a23e471cd82bd4e5b (patch)
tree69e7a710920742359ba0510a16bae3b63d9bf5ea
parentc40db4ba60af354cccaddbbae5c7125b4b97c79c (diff)
vhost: Add worker backend callouts
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>
-rw-r--r--hw/virtio/vhost-backend.c28
-rw-r--r--include/hw/virtio/vhost-backend.h14
2 files changed, 42 insertions, 0 deletions
diff --git a/hw/virtio/vhost-backend.c b/hw/virtio/vhost-backend.c
index 17f3fc6a08..833804dd40 100644
--- a/hw/virtio/vhost-backend.c
+++ b/hw/virtio/vhost-backend.c
@@ -158,6 +158,30 @@ static int vhost_kernel_set_vring_busyloop_timeout(struct vhost_dev *dev,
return vhost_kernel_call(dev, VHOST_SET_VRING_BUSYLOOP_TIMEOUT, s);
}
+static int vhost_kernel_new_worker(struct vhost_dev *dev,
+ struct vhost_worker_state *worker)
+{
+ return vhost_kernel_call(dev, VHOST_NEW_WORKER, worker);
+}
+
+static int vhost_kernel_free_worker(struct vhost_dev *dev,
+ struct vhost_worker_state *worker)
+{
+ return vhost_kernel_call(dev, VHOST_FREE_WORKER, worker);
+}
+
+static int vhost_kernel_attach_vring_worker(struct vhost_dev *dev,
+ struct vhost_vring_worker *worker)
+{
+ return vhost_kernel_call(dev, VHOST_ATTACH_VRING_WORKER, worker);
+}
+
+static int vhost_kernel_get_vring_worker(struct vhost_dev *dev,
+ struct vhost_vring_worker *worker)
+{
+ return vhost_kernel_call(dev, VHOST_GET_VRING_WORKER, worker);
+}
+
static int vhost_kernel_set_features(struct vhost_dev *dev,
uint64_t features)
{
@@ -313,6 +337,10 @@ const VhostOps kernel_ops = {
.vhost_set_vring_err = vhost_kernel_set_vring_err,
.vhost_set_vring_busyloop_timeout =
vhost_kernel_set_vring_busyloop_timeout,
+ .vhost_get_vring_worker = vhost_kernel_get_vring_worker,
+ .vhost_attach_vring_worker = vhost_kernel_attach_vring_worker,
+ .vhost_new_worker = vhost_kernel_new_worker,
+ .vhost_free_worker = vhost_kernel_free_worker,
.vhost_set_features = vhost_kernel_set_features,
.vhost_get_features = vhost_kernel_get_features,
.vhost_set_backend_cap = vhost_kernel_set_backend_cap,
diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h
index a86d103f82..70c2e8ffee 100644
--- a/include/hw/virtio/vhost-backend.h
+++ b/include/hw/virtio/vhost-backend.h
@@ -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;