1/* Public domain. */
2
3#ifndef _LINUX_IO_MAPPING_H
4#define _LINUX_IO_MAPPING_H
5
6#include <linux/types.h>
7
8struct io_mapping {
9	resource_size_t base;
10	unsigned long size;
11	void *iomem;
12};
13
14static inline void *
15io_mapping_map_wc(struct io_mapping *map, unsigned long off, unsigned long size)
16{
17	return ((uint8_t *)map->iomem + off);
18}
19
20static inline void
21io_mapping_unmap(void *va)
22{
23}
24
25static inline void *
26io_mapping_map_local_wc(struct io_mapping *map, unsigned long off)
27{
28	return ((uint8_t *)map->iomem + off);
29}
30
31static inline void
32io_mapping_unmap_local(void *va)
33{
34}
35
36static inline void *
37io_mapping_map_atomic_wc(struct io_mapping *map, unsigned long off)
38{
39	return ((uint8_t *)map->iomem + off);
40}
41
42static inline void
43io_mapping_unmap_atomic(void *va)
44{
45}
46
47#endif
48