diff options
| -rw-r--r-- | include/asm-x86/dma-mapping.h | 54 | ||||
| -rw-r--r-- | include/asm-x86/dma-mapping_64.h | 49 |
2 files changed, 54 insertions, 49 deletions
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h index 58f790f4df52..aebd178a19ac 100644 --- a/include/asm-x86/dma-mapping.h +++ b/include/asm-x86/dma-mapping.h @@ -1,5 +1,59 @@ +#ifndef _ASM_DMA_MAPPING_H_ +#define _ASM_DMA_MAPPING_H_ + +/* + * IOMMU interface. See Documentation/DMA-mapping.txt and DMA-API.txt for + * documentation. + */ + +#include <linux/scatterlist.h> +#include <asm/io.h> +#include <asm/swiotlb.h> + +struct dma_mapping_ops { + int (*mapping_error)(dma_addr_t dma_addr); + void* (*alloc_coherent)(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp); + void (*free_coherent)(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle); + dma_addr_t (*map_single)(struct device *hwdev, void *ptr, + size_t size, int direction); + /* like map_single, but doesn't check the device mask */ + dma_addr_t (*map_simple)(struct device *hwdev, char *ptr, + size_t size, int direction); + void (*unmap_single)(struct device *dev, dma_addr_t addr, + size_t size, int direction); + void (*sync_single_for_cpu)(struct device *hwdev, + dma_addr_t dma_handle, size_t size, + int direction); + void (*sync_single_for_device)(struct device *hwdev, + dma_addr_t dma_handle, size_t size, + int direction); + void (*sync_single_range_for_cpu)(struct device *hwdev, + dma_addr_t dma_handle, unsigned long offset, + size_t size, int direction); + void (*sync_single_range_for_device)(struct device *hwdev, + dma_addr_t dma_handle, unsigned long offset, + size_t size, int direction); + void (*sync_sg_for_cpu)(struct device *hwdev, + struct scatterlist *sg, int nelems, + int direction); + void (*sync_sg_for_device)(struct device *hwdev, + struct scatterlist *sg, int nelems, + int direction); + int (*map_sg)(struct device *hwdev, struct scatterlist *sg, + int nents, int direction); + void (*unmap_sg)(struct device *hwdev, + struct scatterlist *sg, int nents, + int direction); + int (*dma_supported)(struct device *hwdev, u64 mask); + int is_phys; +}; + #ifdef CONFIG_X86_32 # include "dma-mapping_32.h" #else # include "dma-mapping_64.h" #endif + +#endif diff --git a/include/asm-x86/dma-mapping_64.h b/include/asm-x86/dma-mapping_64.h index ecd0f6125ba3..369188a348f4 100644 --- a/include/asm-x86/dma-mapping_64.h +++ b/include/asm-x86/dma-mapping_64.h @@ -1,55 +1,6 @@ #ifndef _X8664_DMA_MAPPING_H #define _X8664_DMA_MAPPING_H 1 -/* - * IOMMU interface. See Documentation/DMA-mapping.txt and DMA-API.txt for - * documentation. - */ - -#include <linux/scatterlist.h> -#include <asm/io.h> -#include <asm/swiotlb.h> - -struct dma_mapping_ops { - int (*mapping_error)(dma_addr_t dma_addr); - void* (*alloc_coherent)(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp); - void (*free_coherent)(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle); - dma_addr_t (*map_single)(struct device *hwdev, void *ptr, - size_t size, int direction); - /* like map_single, but doesn't check the device mask */ - dma_addr_t (*map_simple)(struct device *hwdev, char *ptr, - size_t size, int direction); - void (*unmap_single)(struct device *dev, dma_addr_t addr, - size_t size, int direction); - void (*sync_single_for_cpu)(struct device *hwdev, - dma_addr_t dma_handle, size_t size, - int direction); - void (*sync_single_for_device)(struct device *hwdev, - dma_addr_t dma_handle, size_t size, - int direction); - void (*sync_single_range_for_cpu)(struct device *hwdev, - dma_addr_t dma_handle, unsigned long offset, - size_t size, int direction); - void (*sync_single_range_for_device)(struct device *hwdev, - dma_addr_t dma_handle, unsigned long offset, - size_t size, int direction); - void (*sync_sg_for_cpu)(struct device *hwdev, - struct scatterlist *sg, int nelems, - int direction); - void (*sync_sg_for_device)(struct device *hwdev, - struct scatterlist *sg, int nelems, - int direction); - int (*map_sg)(struct device *hwdev, struct scatterlist *sg, - int nents, int direction); - void (*unmap_sg)(struct device *hwdev, - struct scatterlist *sg, int nents, - int direction); - int (*dma_supported)(struct device *hwdev, u64 mask); - int is_phys; -}; - extern dma_addr_t bad_dma_address; extern const struct dma_mapping_ops* dma_ops; extern int iommu_merge; |