mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-29 07:34:06 +08:00
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>
24 lines
553 B
C
24 lines
553 B
C
#ifndef __ASM_CRIS_SCATTERLIST_H
|
|
#define __ASM_CRIS_SCATTERLIST_H
|
|
|
|
struct scatterlist {
|
|
#ifdef CONFIG_DEBUG_SG
|
|
unsigned long sg_magic;
|
|
#endif
|
|
char * address; /* Location data is to be transferred to */
|
|
unsigned int length;
|
|
|
|
/* The following is i386 highmem junk - not used by us */
|
|
unsigned long page_link;
|
|
unsigned int offset;/* for highmem, page offset */
|
|
|
|
};
|
|
|
|
#define sg_dma_address(sg) ((sg)->address)
|
|
#define sg_dma_len(sg) ((sg)->length)
|
|
/* i386 junk */
|
|
|
|
#define ISA_DMA_THRESHOLD (0x1fffffff)
|
|
|
|
#endif /* !(__ASM_CRIS_SCATTERLIST_H) */
|