| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |