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