diff options
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/iommufd.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/include/uapi/linux/iommufd.h b/include/uapi/linux/iommufd.h index 036ebc6c19cf..c44eecf5d318 100644 --- a/include/uapi/linux/iommufd.h +++ b/include/uapi/linux/iommufd.h @@ -501,10 +501,23 @@ struct iommu_hwpt_set_dirty_tracking { IOMMUFD_CMD_HWPT_SET_DIRTY_TRACKING) /** + * enum iommufd_hwpt_get_dirty_bitmap_flags - Flags for getting dirty bits + * @IOMMU_HWPT_GET_DIRTY_BITMAP_NO_CLEAR: Just read the PTEs without clearing + * any dirty bits metadata. This flag + * can be passed in the expectation + * where the next operation is an unmap + * of the same IOVA range. + * + */ +enum iommufd_hwpt_get_dirty_bitmap_flags { + IOMMU_HWPT_GET_DIRTY_BITMAP_NO_CLEAR = 1, +}; + +/** * struct iommu_hwpt_get_dirty_bitmap - ioctl(IOMMU_HWPT_GET_DIRTY_BITMAP) * @size: sizeof(struct iommu_hwpt_get_dirty_bitmap) * @hwpt_id: HW pagetable ID that represents the IOMMU domain - * @flags: Must be zero + * @flags: Combination of enum iommufd_hwpt_get_dirty_bitmap_flags * @__reserved: Must be 0 * @iova: base IOVA of the bitmap first bit * @length: IOVA range size |