1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright © 2021 Intel Corporation
4 */
5
6#ifndef __I915_MM_H__
7#define __I915_MM_H__
8
9#include <linux/bug.h>
10#include <linux/types.h>
11
12struct vm_area_struct;
13struct io_mapping;
14struct scatterlist;
15
16#if IS_ENABLED(CONFIG_X86)
17int remap_io_mapping(struct vm_area_struct *vma,
18 unsigned long addr, unsigned long pfn, unsigned long size,
19 struct io_mapping *iomap);
20#else
21static inline
22int remap_io_mapping(struct vm_area_struct *vma,
23 unsigned long addr, unsigned long pfn, unsigned long size,
24 struct io_mapping *iomap)
25{
26 WARN_ONCE(1, "Architecture has no drm_cache.c support\n");
27 return 0;
28}
29#endif
30
31int remap_io_sg(struct vm_area_struct *vma,
32 unsigned long addr, unsigned long size,
33 struct scatterlist *sgl, unsigned long offset,
34 resource_size_t iobase);
35
36#endif /* __I915_MM_H__ */
37