fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-arm / scatterlist.h
blobde2f65eb42ed7cad529e8369c3dce85e505f2127
1 #ifndef _ASMARM_SCATTERLIST_H
2 #define _ASMARM_SCATTERLIST_H
4 #include <asm/memory.h>
5 #include <asm/types.h>
7 struct scatterlist {
8 struct page *page; /* buffer page */
9 unsigned int offset; /* buffer offset */
10 dma_addr_t dma_address; /* dma address */
11 unsigned int length; /* length */
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 /* _ASMARM_SCATTERLIST_H */