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path: root/drivers/iommu/amd/io_pgtable.c
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Diffstat (limited to 'drivers/iommu/amd/io_pgtable.c')
-rw-r--r--drivers/iommu/amd/io_pgtable.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/iommu/amd/io_pgtable.c b/drivers/iommu/amd/io_pgtable.c
index af6b7f11ebc3..d7924eb20178 100644
--- a/drivers/iommu/amd/io_pgtable.c
+++ b/drivers/iommu/amd/io_pgtable.c
@@ -311,7 +311,7 @@ static u64 *alloc_pte(struct protection_domain *domain,
* This function checks if there is a PTE for a given dma address. If
* there is one, it returns the pointer to it.
*/
-u64 *fetch_pte(struct protection_domain *domain,
+u64 *fetch_pte(struct amd_io_pgtable *pgtable,
unsigned long address,
unsigned long *page_size)
{
@@ -320,11 +320,11 @@ u64 *fetch_pte(struct protection_domain *domain,
*page_size = 0;
- if (address > PM_LEVEL_SIZE(domain->iop.mode))
+ if (address > PM_LEVEL_SIZE(pgtable->mode))
return NULL;
- level = domain->iop.mode - 1;
- pte = &domain->iop.root[PM_LEVEL_INDEX(level, address)];
+ level = pgtable->mode - 1;
+ pte = &pgtable->root[PM_LEVEL_INDEX(level, address)];
*page_size = PTE_LEVEL_PAGE_SIZE(level);
while (level > 0) {
@@ -459,6 +459,8 @@ unsigned long iommu_unmap_page(struct protection_domain *dom,
unsigned long iova,
unsigned long size)
{
+ struct io_pgtable_ops *ops = &dom->iop.iop.ops;
+ struct amd_io_pgtable *pgtable = io_pgtable_ops_to_data(ops);
unsigned long long unmapped;
unsigned long unmap_size;
u64 *pte;
@@ -468,8 +470,7 @@ unsigned long iommu_unmap_page(struct protection_domain *dom,
unmapped = 0;
while (unmapped < size) {
- pte = fetch_pte(dom, iova, &unmap_size);
-
+ pte = fetch_pte(pgtable, iova, &unmap_size);
if (pte) {
int i, count;