| Fenghua Yu | 62fdd76 | 2008-10-17 12:14:13 -0700 | [diff] [blame] | 1 | #ifndef ASM_IA64__SWIOTLB_H |
| 2 | #define ASM_IA64__SWIOTLB_H |
| 3 | |
| 4 | #include <linux/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(struct device *hwdev, 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 | extern void pci_swiotlb_init(void); |
| 49 | #else |
| 50 | #define swiotlb 0 |
| 51 | static inline void pci_swiotlb_init(void) |
| 52 | { |
| 53 | } |
| 54 | #endif |
| 55 | |
| 56 | #endif /* ASM_IA64__SWIOTLB_H */ |