diff options
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/drm_gpusvm.h | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/include/drm/drm_gpusvm.h b/include/drm/drm_gpusvm.h index 8a4d7134a9a7..251a7266a73f 100644 --- a/include/drm/drm_gpusvm.h +++ b/include/drm/drm_gpusvm.h @@ -109,9 +109,7 @@ struct drm_gpusvm_notifier { /** * struct drm_gpusvm_pages_flags - Structure representing a GPU SVM pages flags * - * @migrate_devmem: Flag indicating whether the pages can be migrated to device memory * @unmapped: Flag indicating if the pages has been unmapped - * @partial_unmap: Flag indicating if the pages has been partially unmapped * @has_devmem_pages: Flag indicating if the pages has devmem pages * @has_dma_mapping: Flag indicating if the pages has a DMA mapping * @__flags: Flags for pages in u16 form (used for READ_ONCE) @@ -119,11 +117,8 @@ struct drm_gpusvm_notifier { struct drm_gpusvm_pages_flags { union { struct { - /* All flags below must be set upon creation */ - u16 migrate_devmem : 1; /* All flags below must be set / cleared under notifier lock */ u16 unmapped : 1; - u16 partial_unmap : 1; u16 has_devmem_pages : 1; u16 has_dma_mapping : 1; }; @@ -152,6 +147,27 @@ struct drm_gpusvm_pages { }; /** + * struct drm_gpusvm_range_flags - Range-level GPU SVM flags + * + * @migrate_devmem: Flag indicating whether the range can be migrated to device memory + * @unmapped: Flag indicating if the range has been unmapped + * @partial_unmap: Flag indicating if the range has been partially unmapped + * @__flags: All flags in u16 form (used for READ_ONCE) + */ +struct drm_gpusvm_range_flags { + union { + struct { + /* All flags below must be set upon creation */ + u16 migrate_devmem : 1; + /* All flags below must be set / cleared under notifier lock */ + u16 unmapped : 1; + u16 partial_unmap : 1; + }; + u16 __flags; + }; +}; + +/** * struct drm_gpusvm_range - Structure representing a GPU SVM range * * @gpusvm: Pointer to the GPU SVM structure @@ -160,6 +176,7 @@ struct drm_gpusvm_pages { * @itree: Interval tree node for the range (inserted in GPU SVM notifier) * @entry: List entry to fast interval tree traversal * @pages: The pages for this range. + * @flags: Flags for range see &struct drm_gpusvm_range_flags * * This structure represents a GPU SVM range used for tracking memory ranges * mapped in a DRM device. @@ -171,6 +188,7 @@ struct drm_gpusvm_range { struct interval_tree_node itree; struct list_head entry; struct drm_gpusvm_pages pages; + struct drm_gpusvm_range_flags flags; }; /** @@ -310,6 +328,8 @@ drm_gpusvm_range_find(struct drm_gpusvm_notifier *notifier, unsigned long start, unsigned long end); void drm_gpusvm_range_set_unmapped(struct drm_gpusvm_range *range, + struct drm_gpusvm_pages *pages, + unsigned int pages_count, const struct mmu_notifier_range *mmu_range); int drm_gpusvm_get_pages(struct drm_gpusvm *gpusvm, |