On Sun, Nov 26, 2023 at 06:28:33PM -0600, Mike Christie wrote:
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.chris...@oracle.com>
---
hw/virtio/vhost-backend.c | 28 ++++++++++++++++++++++++++++
include/hw/virtio/vhost-backend.h | 14 ++++++++++++++
2 files changed, 42 insertions(+)
Reviewed-by: Stefano Garzarella <sgarz...@redhat.com>
diff --git a/hw/virtio/vhost-backend.c b/hw/virtio/vhost-backend.c
index 17f3fc6a0823..833804dd40f2 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 96ccc18cd33b..9f16d0884e8f 100644
--- a/include/hw/virtio/vhost-backend.h
+++ b/include/hw/virtio/vhost-backend.h
@@ -33,6 +33,8 @@ 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;
@@ -73,6 +75,14 @@ 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,
@@ -151,6 +161,10 @@ 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;
--
2.34.1
