This commit was manufactured by cvs2svn to create branch 'vserver'.
[linux-2.6.git] / include / asm-i386 / mach-xen / asm / scatterlist.h
1 #ifndef _I386_SCATTERLIST_H
2 #define _I386_SCATTERLIST_H
3
4 struct scatterlist {
5     struct page         *page;
6     unsigned int        offset;
7     unsigned int        length;
8     dma_addr_t          dma_address;
9     unsigned int        dma_length;
10 };
11
12 /* These macros should be used after a pci_map_sg call has been done
13  * to get bus addresses of each of the SG entries and their lengths.
14  * You should only work with the number of sg entries pci_map_sg
15  * returns.
16  */
17 #define sg_dma_address(sg)      ((sg)->dma_address)
18 #define sg_dma_len(sg)          ((sg)->dma_length)
19
20 #define ISA_DMA_THRESHOLD (0x00ffffff)
21
22 #endif /* !(_I386_SCATTERLIST_H) */