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vhost: introduce new VhostOps vhost_force_iommu 

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

Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20200701145538.22333-11-lulu@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
master
Cindy Lu 2020-07-01 22:55:34 +08:00 committed by Michael S. Tsirkin
parent b4ab225c34
commit f6c99c3438
1 changed files with 3 additions and 0 deletions
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3
include/hw/virtio/vhost-backend.h
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@ -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;