x86: sanitize pathes arch/x86/kernel/cpu/Makefile
[linux-3.10.git] / include / asm-x86_64 / swiotlb.h
1 #ifndef _ASM_SWIOTLB_H
2 #define _ASM_SWIOTLB_H 1
3
4 #include <asm/dma-mapping.h>
5
6 /* SWIOTLB interface */
7
8 extern dma_addr_t swiotlb_map_single(struct device *hwdev, void *ptr,
9                                      size_t size, int dir);
10 extern void *swiotlb_alloc_coherent(struct device *hwdev, size_t size,
11                        dma_addr_t *dma_handle, gfp_t flags);
12 extern void swiotlb_unmap_single(struct device *hwdev, dma_addr_t dev_addr,
13                                   size_t size, int dir);
14 extern void swiotlb_sync_single_for_cpu(struct device *hwdev,
15                                          dma_addr_t dev_addr,
16                                          size_t size, int dir);
17 extern void swiotlb_sync_single_for_device(struct device *hwdev,
18                                             dma_addr_t dev_addr,
19                                             size_t size, int dir);
20 extern void swiotlb_sync_single_range_for_cpu(struct device *hwdev,
21                                               dma_addr_t dev_addr,
22                                               unsigned long offset,
23                                               size_t size, int dir);
24 extern void swiotlb_sync_single_range_for_device(struct device *hwdev,
25                                                  dma_addr_t dev_addr,
26                                                  unsigned long offset,
27                                                  size_t size, int dir);
28 extern void swiotlb_sync_sg_for_cpu(struct device *hwdev,
29                                      struct scatterlist *sg, int nelems,
30                                      int dir);
31 extern void swiotlb_sync_sg_for_device(struct device *hwdev,
32                                         struct scatterlist *sg, int nelems,
33                                         int dir);
34 extern int swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg,
35                       int nents, int direction);
36 extern void swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg,
37                          int nents, int direction);
38 extern int swiotlb_dma_mapping_error(dma_addr_t dma_addr);
39 extern void swiotlb_free_coherent (struct device *hwdev, size_t size,
40                                    void *vaddr, dma_addr_t dma_handle);
41 extern int swiotlb_dma_supported(struct device *hwdev, u64 mask);
42 extern void swiotlb_init(void);
43
44 extern int swiotlb_force;
45
46 #ifdef CONFIG_SWIOTLB
47 extern int swiotlb;
48 #else
49 #define swiotlb 0
50 #endif
51
52 extern void pci_swiotlb_init(void);
53
54 static inline void dma_mark_clean(void *addr, size_t size) {}
55
56 #endif /* _ASM_SWIOTLB_H */