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Revision 1.2, Wed Jan 5 14:17:31 2005 UTC (12 years, 9 months ago) by nathans.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.1: +4 -0 lines 

Merge up to 2.6.10.
Merge of 2.6.x-xfs-melb:linux:21010a by kenmcd.

#ifndef _ASM_SWIOTLB_H
#define _ASM_SWTIOLB_H 1

#include <linux/config.h>

/* SWIOTLB interface */

extern dma_addr_t swiotlb_map_single(struct device *hwdev, void *ptr, size_t size,
				      int dir);
extern void swiotlb_unmap_single(struct device *hwdev, dma_addr_t dev_addr,
				  size_t size, int dir);
extern void swiotlb_sync_single_for_cpu(struct device *hwdev,
					 dma_addr_t dev_addr,
					 size_t size, int dir);
extern void swiotlb_sync_single_for_device(struct device *hwdev,
					    dma_addr_t dev_addr,
					    size_t size, int dir);
extern void swiotlb_sync_sg_for_cpu(struct device *hwdev,
				     struct scatterlist *sg, int nelems,
				     int dir);
extern void swiotlb_sync_sg_for_device(struct device *hwdev,
					struct scatterlist *sg, int nelems,
					int dir);
extern int swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg,
		      int nents, int direction);
extern void swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg,
			 int nents, int direction);
extern int swiotlb_dma_mapping_error(dma_addr_t dma_addr);
extern void *swiotlb_alloc_coherent (struct device *hwdev, size_t size,
				     dma_addr_t *dma_handle, int flags);
extern void swiotlb_free_coherent (struct device *hwdev, size_t size,
				   void *vaddr, dma_addr_t dma_handle);

#ifdef CONFIG_SWIOTLB
extern int swiotlb;
#else
#define swiotlb 0
#endif

#endif