[PATCH] uml: Fix GFP_ flags usage
[linux-2.6] / include / asm-arm26 / scatterlist.h
1 #ifndef _ASMARM_SCATTERLIST_H
2 #define _ASMARM_SCATTERLIST_H
3
4 #include <asm/types.h>
5
6 struct scatterlist {
7         struct page     *page;          /* buffer page                   */
8         unsigned int    offset;         /* buffer offset                 */
9         dma_addr_t      dma_address;    /* dma address                   */
10         unsigned int    length;         /* length                        */
11         char            *__address;     /* for set_dma_addr              */
12 };
13
14 /*
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.
20  */
21 #define sg_dma_address(sg)      ((sg)->dma_address)
22 #define sg_dma_len(sg)          ((sg)->length)
23
24 #define ISA_DMA_THRESHOLD (0xffffffff)
25
26 #endif /* _ASMARM_SCATTERLIST_H */