[deliverable/linux.git] / include / asm-i386 / scatterlist.h

#ifndef _I386_SCATTERLIST_H
#define _I386_SCATTERLIST_H

#include <asm/types.h>

struct scatterlist {
    struct page		*page;
    unsigned int	offset;
    dma_addr_t		dma_address;
    unsigned int	length;
};

/* These macros should be used after a pci_map_sg call has been done
 * to get bus addresses of each of the SG entries and their lengths.
 * You should only work with the number of sg entries pci_map_sg
 * returns.
 */
#define sg_dma_address(sg)	((sg)->dma_address)
#define sg_dma_len(sg)		((sg)->length)

#define ISA_DMA_THRESHOLD (0x00ffffff)

#endif /* !(_I386_SCATTERLIST_H) */
Commit	Line	Data
1da177e4 LT	1	#ifndef _I386_SCATTERLIST_H
	2	#define _I386_SCATTERLIST_H
	3
a9dfd281 JD	4	#include <asm/types.h>
a9dfd281 JD	5
1da177e4 LT	6	struct scatterlist {
	7	struct page *page;
	8	unsigned int offset;
	9	dma_addr_t dma_address;
	10	unsigned int length;
	11	};
	12
	13	/* These macros should be used after a pci_map_sg call has been done
	14	* to get bus addresses of each of the SG entries and their lengths.
	15	* You should only work with the number of sg entries pci_map_sg
	16	* returns.
	17	*/
	18	#define sg_dma_address(sg) ((sg)->dma_address)
	19	#define sg_dma_len(sg) ((sg)->length)
	20
	21	#define ISA_DMA_THRESHOLD (0x00ffffff)
	22
	23	#endif /* !(_I386_SCATTERLIST_H) */