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File: [Development] / linux-2.6-xfs / include / asm-avr32 / Attic / scatterlist.h (download)

Revision 1.3, Mon Dec 3 16:26:37 2007 UTC (9 years, 10 months ago) by lachlan.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.2: +4 -1 lines 

Merge up to 2.6.24-rc3
Merge of 2.6.x-xfs-melb:linux:30183b by kenmcd.

#ifndef __ASM_AVR32_SCATTERLIST_H
#define __ASM_AVR32_SCATTERLIST_H

#include <asm/types.h>

struct scatterlist {
#ifdef CONFIG_DEBUG_SG
   unsigned long	sg_magic;
#endif
    unsigned long	page_link;
    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 (0xffffffff)

#endif /* __ASM_AVR32_SCATTERLIST_H */