2  * vhost software live migration iova tree
11 #include "qemu/iova-tree.h"
12 #include "vhost-iova-tree.h"
34  * Create a new IOVA tree
36  * Returns the new IOVA tree
40     VhostIOVATree *tree = g_new(VhostIOVATree, 1);  in vhost_iova_tree_new()  local
43     tree->iova_first = MAX(iova_first, iova_min_addr);  in vhost_iova_tree_new()
44     tree->iova_last = iova_last;  in vhost_iova_tree_new()
46     tree->iova_taddr_map = iova_tree_new();  in vhost_iova_tree_new()
47     return tree;  in vhost_iova_tree_new()
51  * Delete an iova tree
62  * @tree: The iova tree
67 const DMAMap *vhost_iova_tree_find_iova(const VhostIOVATree *tree,  in vhost_iova_tree_find_iova()  argument
70     return iova_tree_find_iova(tree->iova_taddr_map, map);  in vhost_iova_tree_find_iova()
76  * @tree: The iova tree
82  * - IOVA_ERR_NOMEM if tree cannot allocate more space.
86 int vhost_iova_tree_map_alloc(VhostIOVATree *tree, DMAMap *map)  in vhost_iova_tree_map_alloc()  argument
89     hwaddr iova_first = tree->iova_first ?: qemu_real_host_page_size();  in vhost_iova_tree_map_alloc()
97     return iova_tree_alloc_map(tree->iova_taddr_map, map, iova_first,  in vhost_iova_tree_map_alloc()
98                                tree->iova_last);  in vhost_iova_tree_map_alloc()
102  * Remove existing mappings from iova tree
104  * @iova_tree: The vhost iova tree