io_mapping
struct io_mapping *iomap);
gtt_user_read(struct io_mapping *mapping,
ggtt_write(struct io_mapping *mapping,
struct io_mapping iomap; /* Mapping to our CPU mappable region */
struct io_mapping *iomap)
io_mapping_fini(struct io_mapping *mapping)
static inline struct io_mapping *
struct io_mapping *map;
map = kmalloc(sizeof(struct io_mapping), M_DRM, M_WAITOK);
static inline void io_mapping_free(struct io_mapping *mapping)
io_mapping_map_wc(struct io_mapping *mapping,
io_mapping_map_atomic_wc(struct io_mapping *mapping, unsigned long offset)
static inline struct io_mapping *
io_mapping_init_wc(struct io_mapping *iomap,