diff options
Diffstat (limited to 'linux-core/drm_objects.h')
| -rw-r--r-- | linux-core/drm_objects.h | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/linux-core/drm_objects.h b/linux-core/drm_objects.h index cea811eb..0a05e5fe 100644 --- a/linux-core/drm_objects.h +++ b/linux-core/drm_objects.h @@ -275,6 +275,8 @@ typedef struct drm_ttm_backend { } drm_ttm_backend_t; struct drm_ttm { + struct mm_struct *user_mm; + struct page *dummy_read_page; struct page **pages; uint32_t page_flags; unsigned long num_pages; @@ -300,6 +302,12 @@ extern void drm_ttm_fixup_caching(struct drm_ttm * ttm); extern struct page *drm_ttm_get_page(struct drm_ttm * ttm, int index); extern void drm_ttm_cache_flush(void); extern int drm_ttm_populate(struct drm_ttm * ttm); +extern int drm_ttm_set_user(struct drm_ttm *ttm, + struct task_struct *tsk, + int write, + unsigned long start, + unsigned long num_pages, + struct page *dummy_read_page); /* * Destroy a ttm. The user normally calls drmRmMap or a similar IOCTL to do this, @@ -320,11 +328,15 @@ extern int drm_destroy_ttm(struct drm_ttm * ttm); * Page flags. */ -#define DRM_TTM_PAGE_UNCACHED 0x01 -#define DRM_TTM_PAGE_USED 0x02 -#define DRM_TTM_PAGE_BOUND 0x04 -#define DRM_TTM_PAGE_PRESENT 0x08 -#define DRM_TTM_PAGE_VMALLOC 0x10 +#define DRM_TTM_PAGE_UNCACHED (1 << 0) +#define DRM_TTM_PAGE_USED (1 << 1) +#define DRM_TTM_PAGE_BOUND (1 << 2) +#define DRM_TTM_PAGE_PRESENT (1 << 3) +#define DRM_TTM_PAGE_VMALLOC (1 << 4) +#define DRM_TTM_PAGE_USER (1 << 5) +#define DRM_TTM_PAGE_USER_WRITE (1 << 6) +#define DRM_TTM_PAGE_USER_DIRTY (1 << 7) +#define DRM_TTM_PAGE_USER_DMA (1 << 8) /*************************************************** * Buffer objects. (drm_bo.c, drm_bo_move.c) @@ -447,6 +459,7 @@ struct drm_buffer_manager { uint32_t fence_type; unsigned long cur_pages; atomic_t count; + struct page *dummy_read_page; }; struct drm_bo_driver { |