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authorGlauber Costa <gcosta@redhat.com>2008-03-25 17:36:20 -0400
committerIngo Molnar <mingo@elte.hu>2008-04-19 13:19:56 -0400
commit6f5366354bf86f8d2c1cf241c9bbf44b2d350e30 (patch)
tree5f252a68c623a213ea4d767015d6c12e8f54f10f /include
parent752bea4abbff5e3ffef36802b860e80d0b632990 (diff)
x86: move dma_ops struct definition to dma-mapping.h
take it off the x86_64 specific header Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include')
-rw-r--r--include/asm-x86/dma-mapping.h54
-rw-r--r--include/asm-x86/dma-mapping_64.h49
2 files changed, 54 insertions, 49 deletions
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index 58f790f4df52..aebd178a19ac 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -1,5 +1,59 @@
1#ifndef _ASM_DMA_MAPPING_H_
2#define _ASM_DMA_MAPPING_H_
3
4/*
5 * IOMMU interface. See Documentation/DMA-mapping.txt and DMA-API.txt for
6 * documentation.
7 */
8
9#include <linux/scatterlist.h>
10#include <asm/io.h>
11#include <asm/swiotlb.h>
12
13struct dma_mapping_ops {
14 int (*mapping_error)(dma_addr_t dma_addr);
15 void* (*alloc_coherent)(struct device *dev, size_t size,
16 dma_addr_t *dma_handle, gfp_t gfp);
17 void (*free_coherent)(struct device *dev, size_t size,
18 void *vaddr, dma_addr_t dma_handle);
19 dma_addr_t (*map_single)(struct device *hwdev, void *ptr,
20 size_t size, int direction);
21 /* like map_single, but doesn't check the device mask */
22 dma_addr_t (*map_simple)(struct device *hwdev, char *ptr,
23 size_t size, int direction);
24 void (*unmap_single)(struct device *dev, dma_addr_t addr,
25 size_t size, int direction);
26 void (*sync_single_for_cpu)(struct device *hwdev,
27 dma_addr_t dma_handle, size_t size,
28 int direction);
29 void (*sync_single_for_device)(struct device *hwdev,
30 dma_addr_t dma_handle, size_t size,
31 int direction);
32 void (*sync_single_range_for_cpu)(struct device *hwdev,
33 dma_addr_t dma_handle, unsigned long offset,
34 size_t size, int direction);
35 void (*sync_single_range_for_device)(struct device *hwdev,
36 dma_addr_t dma_handle, unsigned long offset,
37 size_t size, int direction);
38 void (*sync_sg_for_cpu)(struct device *hwdev,
39 struct scatterlist *sg, int nelems,
40 int direction);
41 void (*sync_sg_for_device)(struct device *hwdev,
42 struct scatterlist *sg, int nelems,
43 int direction);
44 int (*map_sg)(struct device *hwdev, struct scatterlist *sg,
45 int nents, int direction);
46 void (*unmap_sg)(struct device *hwdev,
47 struct scatterlist *sg, int nents,
48 int direction);
49 int (*dma_supported)(struct device *hwdev, u64 mask);
50 int is_phys;
51};
52
1#ifdef CONFIG_X86_32 53#ifdef CONFIG_X86_32
2# include "dma-mapping_32.h" 54# include "dma-mapping_32.h"
3#else 55#else
4# include "dma-mapping_64.h" 56# include "dma-mapping_64.h"
5#endif 57#endif
58
59#endif
diff --git a/include/asm-x86/dma-mapping_64.h b/include/asm-x86/dma-mapping_64.h
index ecd0f6125ba3..369188a348f4 100644
--- a/include/asm-x86/dma-mapping_64.h
+++ b/include/asm-x86/dma-mapping_64.h
@@ -1,55 +1,6 @@
1#ifndef _X8664_DMA_MAPPING_H 1#ifndef _X8664_DMA_MAPPING_H
2#define _X8664_DMA_MAPPING_H 1 2#define _X8664_DMA_MAPPING_H 1
3 3
4/*
5 * IOMMU interface. See Documentation/DMA-mapping.txt and DMA-API.txt for
6 * documentation.
7 */
8
9#include <linux/scatterlist.h>
10#include <asm/io.h>
11#include <asm/swiotlb.h>
12
13struct dma_mapping_ops {
14 int (*mapping_error)(dma_addr_t dma_addr);
15 void* (*alloc_coherent)(struct device *dev, size_t size,
16 dma_addr_t *dma_handle, gfp_t gfp);
17 void (*free_coherent)(struct device *dev, size_t size,
18 void *vaddr, dma_addr_t dma_handle);
19 dma_addr_t (*map_single)(struct device *hwdev, void *ptr,
20 size_t size, int direction);
21 /* like map_single, but doesn't check the device mask */
22 dma_addr_t (*map_simple)(struct device *hwdev, char *ptr,
23 size_t size, int direction);
24 void (*unmap_single)(struct device *dev, dma_addr_t addr,
25 size_t size, int direction);
26 void (*sync_single_for_cpu)(struct device *hwdev,
27 dma_addr_t dma_handle, size_t size,
28 int direction);
29 void (*sync_single_for_device)(struct device *hwdev,
30 dma_addr_t dma_handle, size_t size,
31 int direction);
32 void (*sync_single_range_for_cpu)(struct device *hwdev,
33 dma_addr_t dma_handle, unsigned long offset,
34 size_t size, int direction);
35 void (*sync_single_range_for_device)(struct device *hwdev,
36 dma_addr_t dma_handle, unsigned long offset,
37 size_t size, int direction);
38 void (*sync_sg_for_cpu)(struct device *hwdev,
39 struct scatterlist *sg, int nelems,
40 int direction);
41 void (*sync_sg_for_device)(struct device *hwdev,
42 struct scatterlist *sg, int nelems,
43 int direction);
44 int (*map_sg)(struct device *hwdev, struct scatterlist *sg,
45 int nents, int direction);
46 void (*unmap_sg)(struct device *hwdev,
47 struct scatterlist *sg, int nents,
48 int direction);
49 int (*dma_supported)(struct device *hwdev, u64 mask);
50 int is_phys;
51};
52
53extern dma_addr_t bad_dma_address; 4extern dma_addr_t bad_dma_address;
54extern const struct dma_mapping_ops* dma_ops; 5extern const struct dma_mapping_ops* dma_ops;
55extern int iommu_merge; 6extern int iommu_merge;