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 | ||
| 6 | /* SWIOTLB interface */ | |
| 7 | ||
| 8 | extern dma_addr_t swiotlb_map_single(struct device *hwdev, void *ptr, size_t size, | |
| 9 | int dir); | |
| 10 | extern void swiotlb_unmap_single(struct device *hwdev, dma_addr_t dev_addr, | |
| 11 | size_t size, int dir); | |
| 12 | extern void swiotlb_sync_single_for_cpu(struct device *hwdev, | |
| 13 | dma_addr_t dev_addr, | |
| 14 | size_t size, int dir); | |
| 15 | extern void swiotlb_sync_single_for_device(struct device *hwdev, | |
| 16 | dma_addr_t dev_addr, | |
| 17 | size_t size, int dir); | |
| 18 | extern void swiotlb_sync_sg_for_cpu(struct device *hwdev, | |
| 19 | struct scatterlist *sg, int nelems, | |
| 20 | int dir); | |
| 21 | extern void swiotlb_sync_sg_for_device(struct device *hwdev, | |
| 22 | struct scatterlist *sg, int nelems, | |
| 23 | int dir); | |
| 24 | extern int swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, | |
| 25 | int nents, int direction); | |
| 26 | extern void swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, | |
| 27 | int nents, int direction); | |
| 28 | extern int swiotlb_dma_mapping_error(dma_addr_t dma_addr); | |
| 29 | extern void *swiotlb_alloc_coherent (struct device *hwdev, size_t size, | |
| 30 | dma_addr_t *dma_handle, int flags); | |
| 31 | extern void swiotlb_free_coherent (struct device *hwdev, size_t size, | |
| 32 | void *vaddr, dma_addr_t dma_handle); | |
| 33 | ||
| 34 | #ifdef CONFIG_SWIOTLB | |
| 35 | extern int swiotlb; | |
| 36 | #else | |
| 37 | #define swiotlb 0 | |
| 38 | #endif | |
| 39 | ||
| 40 | #endif |