diff options
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/xen/page-coherent.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/xen/page-coherent.h b/arch/arm64/include/asm/xen/page-coherent.h new file mode 100644 index 0000000..3b4f029 --- /dev/null +++ b/arch/arm64/include/asm/xen/page-coherent.h @@ -0,0 +1,22 @@ +#ifndef _ASM_ARM64_XEN_PAGE_COHERENT_H +#define _ASM_ARM64_XEN_PAGE_COHERENT_H + +#include <asm/page.h> +#include <linux/dma-attrs.h> +#include <linux/dma-mapping.h> + +static inline void *xen_alloc_coherent_pages(struct device *hwdev, size_t size, + dma_addr_t *dma_handle, gfp_t flags, + struct dma_attrs *attrs) +{ + return __generic_dma_ops(hwdev)->alloc(hwdev, size, dma_handle, flags, attrs); +} + +static inline void xen_free_coherent_pages(struct device *hwdev, size_t size, + void *cpu_addr, dma_addr_t dma_handle, + struct dma_attrs *attrs) +{ + __generic_dma_ops(hwdev)->free(hwdev, size, cpu_addr, dma_handle, attrs); +} + +#endif /* _ASM_ARM64_XEN_PAGE_COHERENT_H */ |