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Diffstat (limited to 'drivers/vhost/vhost.h')
-rw-r--r--drivers/vhost/vhost.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index a9cbbb148f46..f55671d53f28 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -76,6 +76,13 @@ struct vhost_umem {
int numem;
};
+enum vhost_uaddr_type {
+ VHOST_ADDR_DESC = 0,
+ VHOST_ADDR_AVAIL = 1,
+ VHOST_ADDR_USED = 2,
+ VHOST_NUM_ADDRS = 3,
+};
+
/* The virtqueue structure describes a queue attached to a device. */
struct vhost_virtqueue {
struct vhost_dev *dev;
@@ -86,6 +93,7 @@ struct vhost_virtqueue {
struct vring_desc __user *desc;
struct vring_avail __user *avail;
struct vring_used __user *used;
+ const struct vhost_umem_node *meta_iotlb[VHOST_NUM_ADDRS];
struct file *kick;
struct file *call;
struct file *error;