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Diffstat (limited to 'include/uapi/linux/iommufd.h')
-rw-r--r--include/uapi/linux/iommufd.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/uapi/linux/iommufd.h b/include/uapi/linux/iommufd.h
index 70b8a38fcd46..ede2b464a761 100644
--- a/include/uapi/linux/iommufd.h
+++ b/include/uapi/linux/iommufd.h
@@ -357,10 +357,13 @@ struct iommu_vfio_ioas {
* the parent HWPT in a nesting configuration.
* @IOMMU_HWPT_ALLOC_DIRTY_TRACKING: Dirty tracking support for device IOMMU is
* enforced on device attachment
+ * @IOMMU_HWPT_FAULT_ID_VALID: The fault_id field of hwpt allocation data is
+ * valid.
*/
enum iommufd_hwpt_alloc_flags {
IOMMU_HWPT_ALLOC_NEST_PARENT = 1 << 0,
IOMMU_HWPT_ALLOC_DIRTY_TRACKING = 1 << 1,
+ IOMMU_HWPT_FAULT_ID_VALID = 1 << 2,
};
/**
@@ -412,6 +415,9 @@ enum iommu_hwpt_data_type {
* @data_type: One of enum iommu_hwpt_data_type
* @data_len: Length of the type specific data
* @data_uptr: User pointer to the type specific data
+ * @fault_id: The ID of IOMMUFD_FAULT object. Valid only if flags field of
+ * IOMMU_HWPT_FAULT_ID_VALID is set.
+ * @__reserved2: Padding to 64-bit alignment. Must be 0.
*
* Explicitly allocate a hardware page table object. This is the same object
* type that is returned by iommufd_device_attach() and represents the
@@ -442,6 +448,8 @@ struct iommu_hwpt_alloc {
__u32 data_type;
__u32 data_len;
__aligned_u64 data_uptr;
+ __u32 fault_id;
+ __u32 __reserved2;
};
#define IOMMU_HWPT_ALLOC _IO(IOMMUFD_TYPE, IOMMUFD_CMD_HWPT_ALLOC)