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Add CONFIG_DEBUG_SG sg validation
[mirror_ubuntu-artful-kernel.git] / include / asm-cris / scatterlist.h
1 #ifndef __ASM_CRIS_SCATTERLIST_H
2 #define __ASM_CRIS_SCATTERLIST_H
3
4 struct scatterlist {
5 #ifdef CONFIG_DEBUG_SG
6 unsigned long sg_magic;
7 #endif
8 char * address; /* Location data is to be transferred to */
9 unsigned int length;
10
11 /* The following is i386 highmem junk - not used by us */
12 unsigned long page_link;
13 unsigned int offset;/* for highmem, page offset */
14
15 };
16
17 #define sg_dma_address(sg) ((sg)->address)
18 #define sg_dma_len(sg) ((sg)->length)
19 /* i386 junk */
20
21 #define ISA_DMA_THRESHOLD (0x1fffffff)
22
23 #endif /* !(__ASM_CRIS_SCATTERLIST_H) */