linux/include/asm-sh64/scatterlist.h
Jens Axboe d6ec084200 Add CONFIG_DEBUG_SG sg validation
Add a Kconfig entry which will toggle some sanity checks on the sg
entry and tables.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-22 21:20:03 +02:00

29 lines
647 B
C

/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* include/asm-sh64/scatterlist.h
*
* Copyright (C) 2003 Paul Mundt
*
*/
#ifndef __ASM_SH64_SCATTERLIST_H
#define __ASM_SH64_SCATTERLIST_H
#include <asm/types.h>
struct scatterlist {
#ifdef CONFIG_DEBUG_SG
unsigned long sg_magic;
#endif
unsigned long page_link;
unsigned int offset;/* for highmem, page offset */
dma_addr_t dma_address;
unsigned int length;
};
#define ISA_DMA_THRESHOLD (0xffffffff)
#endif /* !__ASM_SH64_SCATTERLIST_H */