fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-sh / scatterlist.h
blobb9ae53c38365c3ac28b3a5269d9b561cf38a998f
1 #ifndef __ASM_SH_SCATTERLIST_H
2 #define __ASM_SH_SCATTERLIST_H
4 #include <asm/types.h>
6 struct scatterlist {
7 struct page * page; /* Location for highmem page, if any */
8 unsigned int offset;/* for highmem, page offset */
9 dma_addr_t dma_address;
10 unsigned int length;
13 #define ISA_DMA_THRESHOLD (0x1fffffff)
15 /* These macros should be used after a pci_map_sg call has been done
16 * to get bus addresses of each of the SG entries and their lengths.
17 * You should only work with the number of sg entries pci_map_sg
18 * returns, or alternatively stop on the first sg_dma_len(sg) which
19 * is 0.
21 #define sg_dma_address(sg) ((sg)->dma_address)
22 #define sg_dma_len(sg) ((sg)->length)
24 #endif /* !(__ASM_SH_SCATTERLIST_H) */