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 | |
12 | struct vm_area_struct; |
13 | struct io_mapping; |
14 | struct scatterlist; |
15 | |
16 | #if IS_ENABLED(CONFIG_X86) |
17 | int 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 |
21 | static inline |
22 | int 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 | |
31 | int remap_io_sg(struct vm_area_struct *vma, |
32 | unsigned long addr, unsigned long size, |
33 | struct scatterlist *sgl, resource_size_t iobase); |
34 | |
35 | #endif /* __I915_MM_H__ */ |
36 | |