Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | #ifndef _ASM_SWIOTLB_H |
2 | #define _ASM_SWTIOLB_H 1 | |
3 | ||
1da177e4 | 4 | |
17a941d8 MBY |
5 | #include <asm/dma-mapping.h> |
6 | ||
1da177e4 LT |
7 | /* SWIOTLB interface */ |
8 | ||
17a941d8 MBY |
9 | extern dma_addr_t swiotlb_map_single(struct device *hwdev, void *ptr, |
10 | size_t size, int dir); | |
11 | extern void *swiotlb_alloc_coherent(struct device *hwdev, size_t size, | |
12 | dma_addr_t *dma_handle, gfp_t flags); | |
1da177e4 LT |
13 | extern void swiotlb_unmap_single(struct device *hwdev, dma_addr_t dev_addr, |
14 | size_t size, int dir); | |
15 | extern void swiotlb_sync_single_for_cpu(struct device *hwdev, | |
16 | dma_addr_t dev_addr, | |
17 | size_t size, int dir); | |
18 | extern void swiotlb_sync_single_for_device(struct device *hwdev, | |
19 | dma_addr_t dev_addr, | |
20 | size_t size, int dir); | |
878a97cf JL |
21 | extern void swiotlb_sync_single_range_for_cpu(struct device *hwdev, |
22 | dma_addr_t dev_addr, | |
23 | unsigned long offset, | |
24 | size_t size, int dir); | |
25 | extern void swiotlb_sync_single_range_for_device(struct device *hwdev, | |
26 | dma_addr_t dev_addr, | |
27 | unsigned long offset, | |
28 | size_t size, int dir); | |
1da177e4 LT |
29 | extern void swiotlb_sync_sg_for_cpu(struct device *hwdev, |
30 | struct scatterlist *sg, int nelems, | |
31 | int dir); | |
32 | extern void swiotlb_sync_sg_for_device(struct device *hwdev, | |
33 | struct scatterlist *sg, int nelems, | |
34 | int dir); | |
35 | extern int swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, | |
36 | int nents, int direction); | |
37 | extern void swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, | |
38 | int nents, int direction); | |
39 | extern int swiotlb_dma_mapping_error(dma_addr_t dma_addr); | |
1da177e4 LT |
40 | extern void swiotlb_free_coherent (struct device *hwdev, size_t size, |
41 | void *vaddr, dma_addr_t dma_handle); | |
17a941d8 MBY |
42 | extern int swiotlb_dma_supported(struct device *hwdev, u64 mask); |
43 | extern void swiotlb_init(void); | |
1da177e4 | 44 | |
65f87d8a AK |
45 | extern int swiotlb_force; |
46 | ||
1da177e4 LT |
47 | #ifdef CONFIG_SWIOTLB |
48 | extern int swiotlb; | |
49 | #else | |
50 | #define swiotlb 0 | |
51 | #endif | |
52 | ||
17a941d8 MBY |
53 | extern void pci_swiotlb_init(void); |
54 | ||
55 | #endif /* _ASM_SWTIOLB_H */ |