162306a36Sopenharmony_ci/* SPDX-License-Identifier: MIT */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright © 2021 Intel Corporation 462306a36Sopenharmony_ci */ 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#ifndef __I915_MM_H__ 762306a36Sopenharmony_ci#define __I915_MM_H__ 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#include <linux/bug.h> 1062306a36Sopenharmony_ci#include <linux/types.h> 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_cistruct vm_area_struct; 1362306a36Sopenharmony_cistruct io_mapping; 1462306a36Sopenharmony_cistruct scatterlist; 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ci#if IS_ENABLED(CONFIG_X86) 1762306a36Sopenharmony_ciint remap_io_mapping(struct vm_area_struct *vma, 1862306a36Sopenharmony_ci unsigned long addr, unsigned long pfn, unsigned long size, 1962306a36Sopenharmony_ci struct io_mapping *iomap); 2062306a36Sopenharmony_ci#else 2162306a36Sopenharmony_cistatic inline 2262306a36Sopenharmony_ciint remap_io_mapping(struct vm_area_struct *vma, 2362306a36Sopenharmony_ci unsigned long addr, unsigned long pfn, unsigned long size, 2462306a36Sopenharmony_ci struct io_mapping *iomap) 2562306a36Sopenharmony_ci{ 2662306a36Sopenharmony_ci WARN_ONCE(1, "Architecture has no drm_cache.c support\n"); 2762306a36Sopenharmony_ci return 0; 2862306a36Sopenharmony_ci} 2962306a36Sopenharmony_ci#endif 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ciint remap_io_sg(struct vm_area_struct *vma, 3262306a36Sopenharmony_ci unsigned long addr, unsigned long size, 3362306a36Sopenharmony_ci struct scatterlist *sgl, resource_size_t iobase); 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ci#endif /* __I915_MM_H__ */ 36