diff options
Diffstat (limited to 'include/asm-x86/dma-mapping.h')
| -rw-r--r-- | include/asm-x86/dma-mapping.h | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h index 1c88ce6b50d6..914846d0beaa 100644 --- a/include/asm-x86/dma-mapping.h +++ b/include/asm-x86/dma-mapping.h @@ -11,6 +11,9 @@ #include <asm/swiotlb.h> extern dma_addr_t bad_dma_address; +extern int iommu_merge; +extern struct device fallback_dev; +extern int panic_on_overflow; struct dma_mapping_ops { int (*mapping_error)(dma_addr_t dma_addr); @@ -75,12 +78,6 @@ void dma_free_coherent(struct device *dev, size_t size, extern int dma_supported(struct device *hwdev, u64 mask); extern int dma_set_mask(struct device *dev, u64 mask); -#ifdef CONFIG_X86_32 -# include "dma-mapping_32.h" -#else -# include "dma-mapping_64.h" -#endif - static inline dma_addr_t dma_map_single(struct device *hwdev, void *ptr, size_t size, int direction) @@ -205,6 +202,15 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size, flush_write_buffers(); } +static inline int dma_get_cache_alignment(void) +{ + /* no easy way to get cache size on all x86, so return the + * maximum possible, to be safe */ + return boot_cpu_data.x86_clflush_size; +} + +#define dma_is_consistent(d, h) (1) + #ifdef CONFIG_X86_32 # define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY extern int @@ -217,5 +223,6 @@ dma_release_declared_memory(struct device *dev); extern void * dma_mark_declared_memory_occupied(struct device *dev, dma_addr_t device_addr, size_t size); +extern int forbid_dac; #endif /* CONFIG_X86_32 */ #endif |