summaryrefslogtreecommitdiffstats
path: root/drivers/iommu/intel-pasid.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iommu/intel-pasid.h')
-rw-r--r--drivers/iommu/intel-pasid.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iommu/intel-pasid.h b/drivers/iommu/intel-pasid.h
index fc8cd8f17de1..92de6df24ccb 100644
--- a/drivers/iommu/intel-pasid.h
+++ b/drivers/iommu/intel-pasid.h
@@ -37,6 +37,12 @@
*/
#define PASID_FLAG_SUPERVISOR_MODE BIT(0)
+/*
+ * The PASID_FLAG_FL5LP flag Indicates using 5-level paging for first-
+ * level translation, otherwise, 4-level paging will be used.
+ */
+#define PASID_FLAG_FL5LP BIT(1)
+
struct pasid_dir_entry {
u64 val;
};