diff options
Diffstat (limited to 'arch/powerpc/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/powerpc/include/asm/dma-mapping.h | 84 |
1 files changed, 21 insertions, 63 deletions
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h index 1765c379138a..8ca2b5183c56 100644 --- a/arch/powerpc/include/asm/dma-mapping.h +++ b/arch/powerpc/include/asm/dma-mapping.h @@ -64,56 +64,14 @@ static inline unsigned long device_to_mask(struct device *dev) } /* - * DMA operations are abstracted for G5 vs. i/pSeries, PCI vs. VIO - */ -struct dma_mapping_ops { - void * (*alloc_coherent)(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag); - void (*free_coherent)(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle); - int (*map_sg)(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction direction, - struct dma_attrs *attrs); - void (*unmap_sg)(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction direction, - struct dma_attrs *attrs); - int (*dma_supported)(struct device *dev, u64 mask); - int (*set_dma_mask)(struct device *dev, u64 dma_mask); - dma_addr_t (*map_page)(struct device *dev, struct page *page, - unsigned long offset, size_t size, - enum dma_data_direction direction, - struct dma_attrs *attrs); - void (*unmap_page)(struct device *dev, - dma_addr_t dma_address, size_t size, - enum dma_data_direction direction, - struct dma_attrs *attrs); -#ifdef CONFIG_PPC_NEED_DMA_SYNC_OPS - void (*sync_single_range_for_cpu)(struct device *hwdev, - dma_addr_t dma_handle, unsigned long offset, - size_t size, - enum dma_data_direction direction); - void (*sync_single_range_for_device)(struct device *hwdev, - dma_addr_t dma_handle, unsigned long offset, - size_t size, - enum dma_data_direction direction); - void (*sync_sg_for_cpu)(struct device *hwdev, - struct scatterlist *sg, int nelems, - enum dma_data_direction direction); - void (*sync_sg_for_device)(struct device *hwdev, - struct scatterlist *sg, int nelems, - enum dma_data_direction direction); -#endif -}; - -/* * Available generic sets of operations */ #ifdef CONFIG_PPC64 -extern struct dma_mapping_ops dma_iommu_ops; +extern struct dma_map_ops dma_iommu_ops; #endif -extern struct dma_mapping_ops dma_direct_ops; +extern struct dma_map_ops dma_direct_ops; -static inline struct dma_mapping_ops *get_dma_ops(struct device *dev) +static inline struct dma_map_ops *get_dma_ops(struct device *dev) { /* We don't handle the NULL dev case for ISA for now. We could * do it via an out of line call but it is not needed for now. The @@ -126,14 +84,14 @@ static inline struct dma_mapping_ops *get_dma_ops(struct device *dev) return dev->archdata.dma_ops; } -static inline void set_dma_ops(struct device *dev, struct dma_mapping_ops *ops) +static inline void set_dma_ops(struct device *dev, struct dma_map_ops *ops) { dev->archdata.dma_ops = ops; } static inline int dma_supported(struct device *dev, u64 mask) { - struct dma_mapping_ops *dma_ops = get_dma_ops(dev); + struct dma_map_ops *dma_ops = get_dma_ops(dev); if (unlikely(dma_ops == NULL)) return 0; @@ -147,7 +105,7 @@ static inline int dma_supported(struct device *dev, u64 mask) static inline int dma_set_mask(struct device *dev, u64 dma_mask) { - struct dma_mapping_ops *dma_ops = get_dma_ops(dev); + struct dma_map_ops *dma_ops = get_dma_ops(dev); if (unlikely(dma_ops == NULL)) return -EIO; @@ -161,7 +119,7 @@ static inline int dma_set_mask(struct device *dev, u64 dma_mask) /* * map_/unmap_single actually call through to map/unmap_page now that all the - * dma_mapping_ops have been converted over. We just have to get the page and + * dma_map_ops have been converted over. We just have to get the page and * offset to pass through to map_page */ static inline dma_addr_t dma_map_single_attrs(struct device *dev, @@ -170,7 +128,7 @@ static inline dma_addr_t dma_map_single_attrs(struct device *dev, enum dma_data_direction direction, struct dma_attrs *attrs) { - struct dma_mapping_ops *dma_ops = get_dma_ops(dev); + struct dma_map_ops *dma_ops = get_dma_ops(dev); BUG_ON(!dma_ops); @@ -185,7 +143,7 @@ static inline void dma_unmap_single_attrs(struct device *dev, enum dma_data_direction direction, struct dma_attrs *attrs) { - struct dma_mapping_ops *dma_ops = get_dma_ops(dev); + struct dma_map_ops *dma_ops = get_dma_ops(dev); BUG_ON(!dma_ops); @@ -198,7 +156,7 @@ static inline dma_addr_t dma_map_page_attrs(struct device *dev, enum dma_data_direction direction, struct dma_attrs *attrs) { - struct dma_mapping_ops *dma_ops = get_dma_ops(dev); + struct dma_map_ops *dma_ops = get_dma_ops(dev); BUG_ON(!dma_ops); @@ -211,7 +169,7 @@ static inline void dma_unmap_page_attrs(struct device *dev, enum dma_data_direction direction, struct dma_attrs *attrs) { - struct dma_mapping_ops *dma_ops = get_dma_ops(dev); + struct dma_map_ops *dma_ops = get_dma_ops(dev); BUG_ON(!dma_ops); @@ -222,7 +180,7 @@ static inline int dma_map_sg_attrs(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction, struct dma_attrs *attrs) { - struct dma_mapping_ops *dma_ops = get_dma_ops(dev); + struct dma_map_ops *dma_ops = get_dma_ops(dev); BUG_ON(!dma_ops); return dma_ops->map_sg(dev, sg, nents, direction, attrs); @@ -234,7 +192,7 @@ static inline void dma_unmap_sg_attrs(struct device *dev, enum dma_data_direction direction, struct dma_attrs *attrs) { - struct dma_mapping_ops *dma_ops = get_dma_ops(dev); + struct dma_map_ops *dma_ops = get_dma_ops(dev); BUG_ON(!dma_ops); dma_ops->unmap_sg(dev, sg, nhwentries, direction, attrs); @@ -243,7 +201,7 @@ static inline void dma_unmap_sg_attrs(struct device *dev, static inline void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag) { - struct dma_mapping_ops *dma_ops = get_dma_ops(dev); + struct dma_map_ops *dma_ops = get_dma_ops(dev); BUG_ON(!dma_ops); return dma_ops->alloc_coherent(dev, size, dma_handle, flag); @@ -252,7 +210,7 @@ static inline void *dma_alloc_coherent(struct device *dev, size_t size, static inline void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, dma_addr_t dma_handle) { - struct dma_mapping_ops *dma_ops = get_dma_ops(dev); + struct dma_map_ops *dma_ops = get_dma_ops(dev); BUG_ON(!dma_ops); dma_ops->free_coherent(dev, size, cpu_addr, dma_handle); @@ -304,7 +262,7 @@ static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction direction) { - struct dma_mapping_ops *dma_ops = get_dma_ops(dev); + struct dma_map_ops *dma_ops = get_dma_ops(dev); BUG_ON(!dma_ops); @@ -317,7 +275,7 @@ static inline void dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction direction) { - struct dma_mapping_ops *dma_ops = get_dma_ops(dev); + struct dma_map_ops *dma_ops = get_dma_ops(dev); BUG_ON(!dma_ops); @@ -330,7 +288,7 @@ static inline void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sgl, int nents, enum dma_data_direction direction) { - struct dma_mapping_ops *dma_ops = get_dma_ops(dev); + struct dma_map_ops *dma_ops = get_dma_ops(dev); BUG_ON(!dma_ops); @@ -342,7 +300,7 @@ static inline void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sgl, int nents, enum dma_data_direction direction) { - struct dma_mapping_ops *dma_ops = get_dma_ops(dev); + struct dma_map_ops *dma_ops = get_dma_ops(dev); BUG_ON(!dma_ops); @@ -354,7 +312,7 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle, unsigned long offset, size_t size, enum dma_data_direction direction) { - struct dma_mapping_ops *dma_ops = get_dma_ops(dev); + struct dma_map_ops *dma_ops = get_dma_ops(dev); BUG_ON(!dma_ops); @@ -367,7 +325,7 @@ static inline void dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle, unsigned long offset, size_t size, enum dma_data_direction direction) { - struct dma_mapping_ops *dma_ops = get_dma_ops(dev); + struct dma_map_ops *dma_ops = get_dma_ops(dev); BUG_ON(!dma_ops); |
