linux/include/asm-m32r/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

21 lines
505 B
C

#ifndef _ASM_M32R_SCATTERLIST_H
#define _ASM_M32R_SCATTERLIST_H
#include <asm/types.h>
struct scatterlist {
#ifdef CONFIG_DEBUG_SG
unsigned long sg_magic;
#endif
char * address; /* Location data is to be transferred to, NULL for
* highmem page */
unsigned long page_link;
unsigned int offset;/* for highmem, page offset */
dma_addr_t dma_address;
unsigned int length;
};
#define ISA_DMA_THRESHOLD (0x1fffffff)
#endif /* _ASM_M32R_SCATTERLIST_H */