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Diffstat (limited to 'arch/x86/include/asm/dma-mapping.h')
-rw-r--r--arch/x86/include/asm/dma-mapping.h35
1 files changed, 24 insertions, 11 deletions
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index ed3065fd6314..61c0bd25845a 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -30,7 +30,7 @@ extern struct dma_map_ops *dma_ops;
static inline struct dma_map_ops *get_dma_ops(struct device *dev)
{
-#ifdef CONFIG_X86_32
+#ifndef CONFIG_X86_DEV_DMA_OPS
return dma_ops;
#else
if (unlikely(!dev) || !dev->archdata.dma_ops)
@@ -59,7 +59,14 @@ extern int dma_supported(struct device *hwdev, u64 mask);
extern int dma_set_mask(struct device *dev, u64 mask);
extern void *dma_generic_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_addr, gfp_t flag);
+ dma_addr_t *dma_addr, gfp_t flag,
+ struct dma_attrs *attrs);
+
+#ifdef CONFIG_X86_DMA_REMAP /* Platform code defines bridge-specific code */
+extern bool dma_capable(struct device *dev, dma_addr_t addr, size_t size);
+extern dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr);
+extern phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr);
+#else
static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
{
@@ -78,6 +85,7 @@ static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
{
return daddr;
}
+#endif /* CONFIG_X86_DMA_REMAP */
static inline void
dma_cache_sync(struct device *dev, void *vaddr, size_t size,
@@ -111,9 +119,11 @@ static inline gfp_t dma_alloc_coherent_gfp_flags(struct device *dev, gfp_t gfp)
return gfp;
}
+#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL)
+
static inline void *
-dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
- gfp_t gfp)
+dma_alloc_attrs(struct device *dev, size_t size, dma_addr_t *dma_handle,
+ gfp_t gfp, struct dma_attrs *attrs)
{
struct dma_map_ops *ops = get_dma_ops(dev);
void *memory;
@@ -129,18 +139,21 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
if (!is_device_dma_capable(dev))
return NULL;
- if (!ops->alloc_coherent)
+ if (!ops->alloc)
return NULL;
- memory = ops->alloc_coherent(dev, size, dma_handle,
- dma_alloc_coherent_gfp_flags(dev, gfp));
+ memory = ops->alloc(dev, size, dma_handle,
+ dma_alloc_coherent_gfp_flags(dev, gfp), attrs);
debug_dma_alloc_coherent(dev, size, *dma_handle, memory);
return memory;
}
-static inline void dma_free_coherent(struct device *dev, size_t size,
- void *vaddr, dma_addr_t bus)
+#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL)
+
+static inline void dma_free_attrs(struct device *dev, size_t size,
+ void *vaddr, dma_addr_t bus,
+ struct dma_attrs *attrs)
{
struct dma_map_ops *ops = get_dma_ops(dev);
@@ -150,8 +163,8 @@ static inline void dma_free_coherent(struct device *dev, size_t size,
return;
debug_dma_free_coherent(dev, size, vaddr, bus);
- if (ops->free_coherent)
- ops->free_coherent(dev, size, vaddr, bus);
+ if (ops->free)
+ ops->free(dev, size, vaddr, bus, attrs);
}
#endif