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authorCindy Lu <lulu@redhat.com>2021-11-05 00:48:22 +0800
committerMichael S. Tsirkin <mst@redhat.com>2022-01-06 06:11:39 -0500
commit634f7c89fbd78f57d00d5d6b39c0ade9df1fe27f (patch)
tree6104168d6b802e69aceafe34247d06a856face11 /hw/virtio/vhost-vdpa.c
parent88062372340d33090b7f089ed3b1a00f530a8914 (diff)
downloadfocaccia-qemu-634f7c89fbd78f57d00d5d6b39c0ade9df1fe27f.tar.gz
focaccia-qemu-634f7c89fbd78f57d00d5d6b39c0ade9df1fe27f.zip
vhost-vdpa: add support for config interrupt
Add new call back function in vhost-vdpa, this function will
set the event fd to kernel. This function will be called
in the vhost_dev_start and vhost_dev_stop

Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20211104164827.21911-6-lulu@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/virtio/vhost-vdpa.c')
-rw-r--r--hw/virtio/vhost-vdpa.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index bcaf00e09f..0a4a83713c 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -725,6 +725,12 @@ static int vhost_vdpa_set_vring_call(struct vhost_dev *dev,
     trace_vhost_vdpa_set_vring_call(dev, file->index, file->fd);
     return vhost_vdpa_call(dev, VHOST_SET_VRING_CALL, file);
 }
+static int vhost_vdpa_set_config_call(struct vhost_dev *dev,
+                                       int fd)
+{
+    trace_vhost_vdpa_set_config_call(dev, fd);
+    return vhost_vdpa_call(dev, VHOST_VDPA_SET_CONFIG_CALL, &fd);
+}
 
 static int vhost_vdpa_get_features(struct vhost_dev *dev,
                                      uint64_t *features)
@@ -795,4 +801,5 @@ const VhostOps vdpa_ops = {
         .vhost_get_device_id = vhost_vdpa_get_device_id,
         .vhost_vq_get_addr = vhost_vdpa_vq_get_addr,
         .vhost_force_iommu = vhost_vdpa_force_iommu,
+        .vhost_set_config_call = vhost_vdpa_set_config_call,
 };