[PULL,37/41] vhost: introduce new VhostOps vhost_force_iommu

Commit Message

Michael S. Tsirkin July 3, 2020, 9:05 a.m. UTC

From: Cindy Lu <[e-mail]>

This patch introduces new VhostOps vhost_force_iommu callback
to force enable features bit VIRTIO_F_IOMMU_PLATFORM.

Signed-off-by: Cindy Lu <[e-mail]>
Message-Id: <[e-mail]>
Reviewed-by: Michael S. Tsirkin <[e-mail]>
Signed-off-by: Michael S. Tsirkin <[e-mail]>
Acked-by: Jason Wang <[e-mail]>
---
 include/hw/virtio/vhost-backend.h | 3 +++
 1 file changed, 3 insertions(+)

Patch

diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h
index bfc24207e2..e7cb8d028c 100644
--- a/include/hw/virtio/vhost-backend.h
+++ b/include/hw/virtio/vhost-backend.h
@@ -121,6 +121,8 @@  typedef int (*vhost_vq_get_addr_op)(struct vhost_dev *dev,
 
 typedef int (*vhost_get_device_id_op)(struct vhost_dev *dev, uint32_t *dev_id);
 
+typedef bool (*vhost_force_iommu_op)(struct vhost_dev *dev);
+
 typedef struct VhostOps {
     VhostBackendType backend_type;
     vhost_backend_init vhost_backend_init;
@@ -164,6 +166,7 @@  typedef struct VhostOps {
     vhost_dev_start_op vhost_dev_start;
     vhost_vq_get_addr_op  vhost_vq_get_addr;
     vhost_get_device_id_op vhost_get_device_id;
+    vhost_force_iommu_op vhost_force_iommu;
 } VhostOps;
 
 extern const VhostOps user_ops;