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Diffstat (limited to 'include')
-rw-r--r--include/linux/dma-attrs.h2
-rw-r--r--include/linux/dma-mapping.h13
-rw-r--r--include/xen/swiotlb-xen.h6
3 files changed, 15 insertions, 6 deletions
diff --git a/include/linux/dma-attrs.h b/include/linux/dma-attrs.h
index 71ad34eca6e3..547ab568d3ae 100644
--- a/include/linux/dma-attrs.h
+++ b/include/linux/dma-attrs.h
@@ -13,6 +13,8 @@
enum dma_attr {
DMA_ATTR_WRITE_BARRIER,
DMA_ATTR_WEAK_ORDERING,
+ DMA_ATTR_WRITE_COMBINE,
+ DMA_ATTR_NON_CONSISTENT,
DMA_ATTR_MAX,
};
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 5a736af3cc7a..dfc099e56a66 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -9,10 +9,15 @@
#include <linux/scatterlist.h>
struct dma_map_ops {
- 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);
+ void* (*alloc)(struct device *dev, size_t size,
+ dma_addr_t *dma_handle, gfp_t gfp,
+ struct dma_attrs *attrs);
+ void (*free)(struct device *dev, size_t size,
+ void *vaddr, dma_addr_t dma_handle,
+ struct dma_attrs *attrs);
+ int (*mmap)(struct device *, struct vm_area_struct *,
+ void *, dma_addr_t, size_t, struct dma_attrs *attrs);
+
dma_addr_t (*map_page)(struct device *dev, struct page *page,
unsigned long offset, size_t size,
enum dma_data_direction dir,
diff --git a/include/xen/swiotlb-xen.h b/include/xen/swiotlb-xen.h
index 2ea2fdc79c16..4f4d449f00f6 100644
--- a/include/xen/swiotlb-xen.h
+++ b/include/xen/swiotlb-xen.h
@@ -7,11 +7,13 @@ extern void xen_swiotlb_init(int verbose);
extern void
*xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size,
- dma_addr_t *dma_handle, gfp_t flags);
+ dma_addr_t *dma_handle, gfp_t flags,
+ struct dma_attrs *attrs);
extern void
xen_swiotlb_free_coherent(struct device *hwdev, size_t size,
- void *vaddr, dma_addr_t dma_handle);
+ void *vaddr, dma_addr_t dma_handle,
+ struct dma_attrs *attrs);
extern dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size,