aboutsummaryrefslogtreecommitdiff
path: root/include/asm-x86/dma-mapping_64.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-x86/dma-mapping_64.h')
-rw-r--r--include/asm-x86/dma-mapping_64.h49
1 files changed, 0 insertions, 49 deletions
diff --git a/include/asm-x86/dma-mapping_64.h b/include/asm-x86/dma-mapping_64.h
index ecd0f6125ba..369188a348f 100644
--- a/include/asm-x86/dma-mapping_64.h
+++ b/include/asm-x86/dma-mapping_64.h
@@ -1,55 +1,6 @@
#ifndef _X8664_DMA_MAPPING_H
#define _X8664_DMA_MAPPING_H 1
-/*
- * IOMMU interface. See Documentation/DMA-mapping.txt and DMA-API.txt for
- * documentation.
- */
-
-#include <linux/scatterlist.h>
-#include <asm/io.h>
-#include <asm/swiotlb.h>
-
-struct dma_mapping_ops {
- int (*mapping_error)(dma_addr_t dma_addr);
- 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);
- dma_addr_t (*map_single)(struct device *hwdev, void *ptr,
- size_t size, int direction);
- /* like map_single, but doesn't check the device mask */
- dma_addr_t (*map_simple)(struct device *hwdev, char *ptr,
- size_t size, int direction);
- void (*unmap_single)(struct device *dev, dma_addr_t addr,
- size_t size, int direction);
- void (*sync_single_for_cpu)(struct device *hwdev,
- dma_addr_t dma_handle, size_t size,
- int direction);
- void (*sync_single_for_device)(struct device *hwdev,
- dma_addr_t dma_handle, size_t size,
- int direction);
- void (*sync_single_range_for_cpu)(struct device *hwdev,
- dma_addr_t dma_handle, unsigned long offset,
- size_t size, int direction);
- void (*sync_single_range_for_device)(struct device *hwdev,
- dma_addr_t dma_handle, unsigned long offset,
- size_t size, int direction);
- void (*sync_sg_for_cpu)(struct device *hwdev,
- struct scatterlist *sg, int nelems,
- int direction);
- void (*sync_sg_for_device)(struct device *hwdev,
- struct scatterlist *sg, int nelems,
- int direction);
- int (*map_sg)(struct device *hwdev, struct scatterlist *sg,
- int nents, int direction);
- void (*unmap_sg)(struct device *hwdev,
- struct scatterlist *sg, int nents,
- int direction);
- int (*dma_supported)(struct device *hwdev, u64 mask);
- int is_phys;
-};
-
extern dma_addr_t bad_dma_address;
extern const struct dma_mapping_ops* dma_ops;
extern int iommu_merge;