common: dma-mapping: introduce mmap method

[cascardo/linux.git] / include / linux / dma-mapping.h

diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 2fc413a..b903a20 100644 (file)
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -15,6 +15,9 @@ struct dma_map_ops {
        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,