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