diff options
Diffstat (limited to 'arch/arm64/include/asm/xen/page-coherent.h')
-rw-r--r-- | arch/arm64/include/asm/xen/page-coherent.h | 44 |
1 files changed, 1 insertions, 43 deletions
diff --git a/arch/arm64/include/asm/xen/page-coherent.h b/arch/arm64/include/asm/xen/page-coherent.h index d7cd4c2b2fd2..2052102b4e02 100644 --- a/arch/arm64/include/asm/xen/page-coherent.h +++ b/arch/arm64/include/asm/xen/page-coherent.h | |||
@@ -1,43 +1 @@ | |||
1 | #ifndef _ASM_ARM64_XEN_PAGE_COHERENT_H | #include <../../arm/include/asm/xen/page-coherent.h> | |
2 | #define _ASM_ARM64_XEN_PAGE_COHERENT_H | ||
3 | |||
4 | #include <asm/page.h> | ||
5 | #include <linux/dma-attrs.h> | ||
6 | #include <linux/dma-mapping.h> | ||
7 | |||
8 | static inline void *xen_alloc_coherent_pages(struct device *hwdev, size_t size, | ||
9 | dma_addr_t *dma_handle, gfp_t flags, | ||
10 | struct dma_attrs *attrs) | ||
11 | { | ||
12 | return __generic_dma_ops(hwdev)->alloc(hwdev, size, dma_handle, flags, attrs); | ||
13 | } | ||
14 | |||
15 | static inline void xen_free_coherent_pages(struct device *hwdev, size_t size, | ||
16 | void *cpu_addr, dma_addr_t dma_handle, | ||
17 | struct dma_attrs *attrs) | ||
18 | { | ||
19 | __generic_dma_ops(hwdev)->free(hwdev, size, cpu_addr, dma_handle, attrs); | ||
20 | } | ||
21 | |||
22 | static inline void xen_dma_map_page(struct device *hwdev, struct page *page, | ||
23 | dma_addr_t dev_addr, unsigned long offset, size_t size, | ||
24 | enum dma_data_direction dir, struct dma_attrs *attrs) | ||
25 | { | ||
26 | } | ||
27 | |||
28 | static inline void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle, | ||
29 | size_t size, enum dma_data_direction dir, | ||
30 | struct dma_attrs *attrs) | ||
31 | { | ||
32 | } | ||
33 | |||
34 | static inline void xen_dma_sync_single_for_cpu(struct device *hwdev, | ||
35 | dma_addr_t handle, size_t size, enum dma_data_direction dir) | ||
36 | { | ||
37 | } | ||
38 | |||
39 | static inline void xen_dma_sync_single_for_device(struct device *hwdev, | ||
40 | dma_addr_t handle, size_t size, enum dma_data_direction dir) | ||
41 | { | ||
42 | } | ||
43 | #endif /* _ASM_ARM64_XEN_PAGE_COHERENT_H */ | ||