mirror of
https://github.com/torvalds/linux.git
synced 2024-12-27 05:11:48 +00:00
d6ec084200
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>
29 lines
565 B
C
29 lines
565 B
C
/* $Id: scatterlist.h,v 1.11 2001/12/17 07:05:15 davem Exp $ */
|
|
#ifndef _SPARC64_SCATTERLIST_H
|
|
#define _SPARC64_SCATTERLIST_H
|
|
|
|
#include <asm/page.h>
|
|
#include <asm/types.h>
|
|
|
|
struct scatterlist {
|
|
#ifdef CONFIG_DEBUG_SG
|
|
unsigned long sg_magic;
|
|
#endif
|
|
unsigned long page_link;
|
|
unsigned int offset;
|
|
|
|
unsigned int length;
|
|
|
|
dma_addr_t dma_address;
|
|
__u32 dma_length;
|
|
};
|
|
|
|
#define sg_dma_address(sg) ((sg)->dma_address)
|
|
#define sg_dma_len(sg) ((sg)->dma_length)
|
|
|
|
#define ISA_DMA_THRESHOLD (~0UL)
|
|
|
|
#define ARCH_HAS_SG_CHAIN
|
|
|
|
#endif /* !(_SPARC64_SCATTERLIST_H) */
|