drm_buf_map
#define DRM_IOCTL_MAP_BUFS DRM_IOWR(0x19, struct drm_buf_map)
typedef struct drm_buf_map drm_buf_map_t;
#define DRM_IOCTL_MAP_BUFS DRM_IOWR(0x19, struct drm_buf_map)
typedef struct drm_buf_map drm_buf_map_t;