diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/generic_pt/iommu.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/generic_pt/iommu.h b/include/linux/generic_pt/iommu.h index 848a5fb76272..f2a763aba088 100644 --- a/include/linux/generic_pt/iommu.h +++ b/include/linux/generic_pt/iommu.h @@ -74,6 +74,18 @@ struct pt_iommu_info { struct pt_iommu_ops { /** + * @set_dirty: Make the iova write dirty + * @iommu_table: Table to manipulate + * @iova: IO virtual address to start + * + * This is only used by iommufd testing. It makes the iova dirty so that + * read_and_clear_dirty() will see it as dirty. Unlike all the other ops + * this one is safe to call without holding any locking. It may return + * -EAGAIN if there is a race. + */ + int (*set_dirty)(struct pt_iommu *iommu_table, dma_addr_t iova); + + /** * @get_info: Return the pt_iommu_info structure * @iommu_table: Table to query * |