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path: root/drivers/vhost/iotlb.c
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Diffstat (limited to 'drivers/vhost/iotlb.c')
-rw-r--r--drivers/vhost/iotlb.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/vhost/iotlb.c b/drivers/vhost/iotlb.c
index 0582079e4bcc..670d56c879e5 100644
--- a/drivers/vhost/iotlb.c
+++ b/drivers/vhost/iotlb.c
@@ -36,19 +36,21 @@ void vhost_iotlb_map_free(struct vhost_iotlb *iotlb,
EXPORT_SYMBOL_GPL(vhost_iotlb_map_free);
/**
- * vhost_iotlb_add_range - add a new range to vhost IOTLB
+ * vhost_iotlb_add_range_ctx - add a new range to vhost IOTLB
* @iotlb: the IOTLB
* @start: start of the IOVA range
* @last: last of IOVA range
* @addr: the address that is mapped to @start
* @perm: access permission of this range
+ * @opaque: the opaque pointer for the new mapping
*
* Returns an error last is smaller than start or memory allocation
* fails
*/
-int vhost_iotlb_add_range(struct vhost_iotlb *iotlb,
- u64 start, u64 last,
- u64 addr, unsigned int perm)
+int vhost_iotlb_add_range_ctx(struct vhost_iotlb *iotlb,
+ u64 start, u64 last,
+ u64 addr, unsigned int perm,
+ void *opaque)
{
struct vhost_iotlb_map *map;
@@ -71,6 +73,7 @@ int vhost_iotlb_add_range(struct vhost_iotlb *iotlb,
map->last = last;
map->addr = addr;
map->perm = perm;
+ map->opaque = opaque;
iotlb->nmaps++;
vhost_iotlb_itree_insert(map, &iotlb->root);
@@ -80,6 +83,15 @@ int vhost_iotlb_add_range(struct vhost_iotlb *iotlb,
return 0;
}
+EXPORT_SYMBOL_GPL(vhost_iotlb_add_range_ctx);
+
+int vhost_iotlb_add_range(struct vhost_iotlb *iotlb,
+ u64 start, u64 last,
+ u64 addr, unsigned int perm)
+{
+ return vhost_iotlb_add_range_ctx(iotlb, start, last,
+ addr, perm, NULL);
+}
EXPORT_SYMBOL_GPL(vhost_iotlb_add_range);
/**