linux-kernel - [PATCH 01/13] add map/unmap_single_attr and map/unmap_sg_attr to struct dma_mapping

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Message-Id: <1231166178-20050-2-git-send-email-fujita.tomonori@lab.ntt.co.jp>
Date:	Mon,  5 Jan 2009 23:36:06 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	tony.luck@...el.com
Cc:	linux-ia64@...r.kernel.org, linux-kernel@...r.kernel.org,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Subject: [PATCH 01/13] add map/unmap_single_attr and map/unmap_sg_attr to struct dma_mapping_ops

This adds map/unmap_single_attr and map/unmap_sg_attr to struct
dma_mapping_ops. This enables us to move the dma operations in struct
ia64_machine_vector to struct dma_mapping_ops.

Note that we will remove map/unmap_sg and map/umap_single.

This is a preparation of struct dma_mapping_ops unification.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
---
 arch/ia64/include/asm/dma-mapping.h |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h
index bbab7e2..eeb2aa3 100644
--- a/arch/ia64/include/asm/dma-mapping.h
+++ b/arch/ia64/include/asm/dma-mapping.h
@@ -20,6 +20,13 @@ struct dma_mapping_ops {
 				size_t size, int direction);
 	void            (*unmap_single)(struct device *dev, dma_addr_t addr,
 				size_t size, int direction);
+	dma_addr_t      (*map_single_attrs)(struct device *dev, void *cpu_addr,
+					    size_t size, int direction,
+					    struct dma_attrs *attrs);
+	void		(*unmap_single_attrs)(struct device *dev,
+					      dma_addr_t dma_addr,
+					      size_t size, int direction,
+					      struct dma_attrs *attrs);
 	void            (*sync_single_for_cpu)(struct device *hwdev,
 				dma_addr_t dma_handle, size_t size,
 				int direction);
@@ -43,6 +50,13 @@ struct dma_mapping_ops {
 	void            (*unmap_sg)(struct device *hwdev,
 				struct scatterlist *sg, int nents,
 				int direction);
+	int             (*map_sg_attrs)(struct device *dev,
+					struct scatterlist *sg, int nents,
+					int direction, struct dma_attrs *attrs);
+	void            (*unmap_sg_attrs)(struct device *dev,
+					  struct scatterlist *sg, int nents,
+					  int direction,
+					  struct dma_attrs *attrs);
 	int             (*dma_supported_op)(struct device *hwdev, u64 mask);
 	int		is_phys;
 };
-- 
1.6.0.6

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