diff options
Diffstat (limited to 'drivers/vhost/vhost.h')
| -rw-r--r-- | drivers/vhost/vhost.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h index 78f3c5fc02e4..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; @@ -107,6 +115,9 @@ struct vhost_virtqueue { /* Last index we used. */ u16 last_used_idx; + /* Last used evet we've seen */ + u16 last_used_event; + /* Used flags */ u16 used_flags; |