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Diffstat (limited to 'include/uapi/linux/iommu.h')
-rw-r--r--include/uapi/linux/iommu.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/iommu.h b/include/uapi/linux/iommu.h
index f45d8e9e59c3..fc00c5d4741b 100644
--- a/include/uapi/linux/iommu.h
+++ b/include/uapi/linux/iommu.h
@@ -106,6 +106,7 @@ struct iommu_fault_page_request {
* @padding: reserved for future use (should be zero)
* @event: fault event, when @type is %IOMMU_FAULT_DMA_UNRECOV
* @prm: Page Request message, when @type is %IOMMU_FAULT_PAGE_REQ
+ * @padding2: sets the fault size to allow for future extensions
*/
struct iommu_fault {
__u32 type;
@@ -113,6 +114,7 @@ struct iommu_fault {
union {
struct iommu_fault_unrecoverable event;
struct iommu_fault_page_request prm;
+ __u8 padding2[56];
};
};