diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/qemu/iova-tree.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/include/qemu/iova-tree.h b/include/qemu/iova-tree.h index d066400f09..c938fb0793 100644 --- a/include/qemu/iova-tree.h +++ b/include/qemu/iova-tree.h @@ -83,7 +83,7 @@ int iova_tree_remove(IOVATree *tree, const DMAMap *map); * @tree: the iova tree to search from * @map: the mapping to search * - * Search for a mapping in the iova tree that overlaps with the + * Search for a mapping in the iova tree that iova overlaps with the * mapping range specified. Only the first found mapping will be * returned. * @@ -96,6 +96,24 @@ int iova_tree_remove(IOVATree *tree, const DMAMap *map); const DMAMap *iova_tree_find(const IOVATree *tree, const DMAMap *map); /** + * iova_tree_find_iova: + * + * @tree: the iova tree to search from + * @map: the mapping to search + * + * Search for a mapping in the iova tree that translated_addr overlaps with the + * mapping range specified. Only the first found mapping will be + * returned. + * + * Return: DMAMap pointer if found, or NULL if not found. Note that + * the returned DMAMap pointer is maintained internally. User should + * only read the content but never modify or free the content. Also, + * user is responsible to make sure the pointer is valid (say, no + * concurrent deletion in progress). + */ +const DMAMap *iova_tree_find_iova(const IOVATree *tree, const DMAMap *map); + +/** * iova_tree_find_address: * * @tree: the iova tree to search from |