From 9aad781959d770eb2479596a23e471cd82bd4e5b Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Mon, 4 Dec 2023 17:16:17 -0600 Subject: 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 Reviewed-by: Stefano Garzarella Reviewed-by: Stefan Hajnoczi Message-Id: <20231204231618.21962-2-michael.christie@oracle.com> Reviewed-by: Stefan Hajnoczi Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/virtio/vhost-backend.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'hw/virtio/vhost-backend.c') 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, -- cgit 1.4.1