diff options
Diffstat (limited to 'include/drm/ttm/ttm_bo_driver.h')
| -rw-r--r-- | include/drm/ttm/ttm_bo_driver.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 990d529f823c..5f821a9b3a1f 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -229,13 +229,14 @@ struct ttm_mem_type_manager_func { * struct ttm_mem_type_manager member debug * * @man: Pointer to a memory type manager. - * @prefix: Prefix to be used in printout to identify the caller. + * @printer: Prefix to be used in printout to identify the caller. * * This function is called to print out the state of the memory * type manager to aid debugging of out-of-memory conditions. * It may not be called from within atomic context. */ - void (*debug)(struct ttm_mem_type_manager *man, const char *prefix); + void (*debug)(struct ttm_mem_type_manager *man, + struct drm_printer *printer); }; /** @@ -472,6 +473,23 @@ struct ttm_bo_driver { */ unsigned long (*io_mem_pfn)(struct ttm_buffer_object *bo, unsigned long page_offset); + + /** + * Read/write memory buffers for ptrace access + * + * @bo: the BO to access + * @offset: the offset from the start of the BO + * @buf: pointer to source/destination buffer + * @len: number of bytes to copy + * @write: whether to read (0) from or write (non-0) to BO + * + * If successful, this function should return the number of + * bytes copied, -EIO otherwise. If the number of bytes + * returned is < len, the function may be called again with + * the remainder of the buffer to copy. + */ + int (*access_memory)(struct ttm_buffer_object *bo, unsigned long offset, + void *buf, int len, int write); }; /** |