diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-10-28 11:26:12 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-28 11:26:12 -0400 |
| commit | 7a9787e1eba95a166265e6a260cf30af04ef0a99 (patch) | |
| tree | e730a4565e0318140d2fbd2f0415d18a339d7336 /arch/x86/include/asm/swiotlb.h | |
| parent | 41b9eb264c8407655db57b60b4457fe1b2ec9977 (diff) | |
| parent | 0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff) | |
Merge commit 'v2.6.28-rc2' into x86/pci-ioapic-boot-irq-quirks
Diffstat (limited to 'arch/x86/include/asm/swiotlb.h')
| -rw-r--r-- | arch/x86/include/asm/swiotlb.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/x86/include/asm/swiotlb.h b/arch/x86/include/asm/swiotlb.h new file mode 100644 index 000000000000..51fb2c76ad74 --- /dev/null +++ b/arch/x86/include/asm/swiotlb.h | |||
| @@ -0,0 +1,58 @@ | |||
| 1 | #ifndef _ASM_X86_SWIOTLB_H | ||
| 2 | #define _ASM_X86_SWIOTLB_H | ||
| 3 | |||
| 4 | #include <asm/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 | static inline void dma_mark_clean(void *addr, size_t size) {} | ||
| 57 | |||
| 58 | #endif /* _ASM_X86_SWIOTLB_H */ | ||