kmemtrace: SLOB hooks.
[linux-2.6/kmemtrace.git] / include / asm-sh / scatterlist.h
blob2084d0373693c8f26e3ef0179e59275cbf0ec1a0
1 #ifndef __ASM_SH_SCATTERLIST_H
2 #define __ASM_SH_SCATTERLIST_H
4 #include <asm/types.h>
6 struct scatterlist {
7 #ifdef CONFIG_DEBUG_SG
8 unsigned long sg_magic;
9 #endif
10 unsigned long page_link;
11 unsigned int offset;/* for highmem, page offset */
12 dma_addr_t dma_address;
13 unsigned int length;
16 #define ISA_DMA_THRESHOLD PHYS_ADDR_MASK
18 /* These macros should be used after a pci_map_sg call has been done
19 * to get bus addresses of each of the SG entries and their lengths.
20 * You should only work with the number of sg entries pci_map_sg
21 * returns, or alternatively stop on the first sg_dma_len(sg) which
22 * is 0.
24 #define sg_dma_address(sg) ((sg)->dma_address)
25 #define sg_dma_len(sg) ((sg)->length)
27 #endif /* !(__ASM_SH_SCATTERLIST_H) */