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-rw-r--r--hw/i386/intel_iommu.c2
-rw-r--r--include/qemu/iova-tree.h8
-rw-r--r--util/iova-tree.c12
3 files changed, 11 insertions, 11 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 75f0755..33a8af9 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -1105,7 +1105,7 @@ static int vtd_page_walk_one(IOMMUTLBEvent *event, vtd_page_walk_info *info)
.translated_addr = entry->translated_addr,
.perm = entry->perm,
};
- DMAMap *mapped = iova_tree_find(as->iova_tree, &target);
+ const DMAMap *mapped = iova_tree_find(as->iova_tree, &target);
if (event->type == IOMMU_NOTIFIER_UNMAP && !info->notify_unmap) {
trace_vtd_page_walk_one_skip_unmap(entry->iova, entry->addr_mask);
diff --git a/include/qemu/iova-tree.h b/include/qemu/iova-tree.h
index b66cf93..8249edd 100644
--- a/include/qemu/iova-tree.h
+++ b/include/qemu/iova-tree.h
@@ -59,7 +59,7 @@ IOVATree *iova_tree_new(void);
*
* Return: 0 if succeeded, or <0 if error.
*/
-int iova_tree_insert(IOVATree *tree, DMAMap *map);
+int iova_tree_insert(IOVATree *tree, const DMAMap *map);
/**
* iova_tree_remove:
@@ -74,7 +74,7 @@ int iova_tree_insert(IOVATree *tree, DMAMap *map);
*
* Return: 0 if succeeded, or <0 if error.
*/
-int iova_tree_remove(IOVATree *tree, DMAMap *map);
+int iova_tree_remove(IOVATree *tree, const DMAMap *map);
/**
* iova_tree_find:
@@ -92,7 +92,7 @@ int iova_tree_remove(IOVATree *tree, DMAMap *map);
* user is responsible to make sure the pointer is valid (say, no
* concurrent deletion in progress).
*/
-DMAMap *iova_tree_find(IOVATree *tree, DMAMap *map);
+const DMAMap *iova_tree_find(const IOVATree *tree, const DMAMap *map);
/**
* iova_tree_find_address:
@@ -105,7 +105,7 @@ DMAMap *iova_tree_find(IOVATree *tree, DMAMap *map);
*
* Return: same as iova_tree_find().
*/
-DMAMap *iova_tree_find_address(IOVATree *tree, hwaddr iova);
+const DMAMap *iova_tree_find_address(const IOVATree *tree, hwaddr iova);
/**
* iova_tree_foreach:
diff --git a/util/iova-tree.c b/util/iova-tree.c
index 7990692..23ea35b 100644
--- a/util/iova-tree.c
+++ b/util/iova-tree.c
@@ -42,14 +42,14 @@ IOVATree *iova_tree_new(void)
return iova_tree;
}
-DMAMap *iova_tree_find(IOVATree *tree, DMAMap *map)
+const DMAMap *iova_tree_find(const IOVATree *tree, const DMAMap *map)
{
return g_tree_lookup(tree->tree, map);
}
-DMAMap *iova_tree_find_address(IOVATree *tree, hwaddr iova)
+const DMAMap *iova_tree_find_address(const IOVATree *tree, hwaddr iova)
{
- DMAMap map = { .iova = iova, .size = 0 };
+ const DMAMap map = { .iova = iova, .size = 0 };
return iova_tree_find(tree, &map);
}
@@ -60,7 +60,7 @@ static inline void iova_tree_insert_internal(GTree *gtree, DMAMap *range)
g_tree_insert(gtree, range, range);
}
-int iova_tree_insert(IOVATree *tree, DMAMap *map)
+int iova_tree_insert(IOVATree *tree, const DMAMap *map)
{
DMAMap *new;
@@ -96,9 +96,9 @@ void iova_tree_foreach(IOVATree *tree, iova_tree_iterator iterator)
g_tree_foreach(tree->tree, iova_tree_traverse, iterator);
}
-int iova_tree_remove(IOVATree *tree, DMAMap *map)
+int iova_tree_remove(IOVATree *tree, const DMAMap *map)
{
- DMAMap *overlap;
+ const DMAMap *overlap;
while ((overlap = iova_tree_find(tree, map))) {
g_tree_remove(tree->tree, overlap);