Merge drm/drm-next into drm-intel-next
[linux-2.6-microblaze.git] / drivers / gpu / drm / i915 / i915_mm.h
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/types.h>
10
11 struct vm_area_struct;
12 struct io_mapping;
13 struct scatterlist;
14
15 #if IS_ENABLED(CONFIG_X86)
16 int remap_io_mapping(struct vm_area_struct *vma,
17                      unsigned long addr, unsigned long pfn, unsigned long size,
18                      struct io_mapping *iomap);
19 #else
20 static inline
21 int remap_io_mapping(struct vm_area_struct *vma,
22                      unsigned long addr, unsigned long pfn, unsigned long size,
23                      struct io_mapping *iomap)
24 {
25         pr_err("Architecture has no %s() and shouldn't be calling this function\n", __func__);
26         WARN_ON_ONCE(1);
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__ */