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