From f6c99c3438c09706694f7bf1f3057c36d1bd0c21 Mon Sep 17 00:00:00 2001
From: Cindy Lu <lulu@redhat.com>
Date: Wed, 1 Jul 2020 22:55:34 +0800
Subject: [PATCH] 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>
---
include/hw/virtio/vhost-backend.h | 3 +++
1 file changed, 3 insertions(+)
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;