1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef _I386_SCATTERLIST_H 13 #define _I386_SCATTERLIST_H 14 15 #include <asm/types.h> 16 17 struct scatterlist { 18 unsigned long page_link; 19 unsigned int offset; 20 dma_addr_t dma_address; 21 unsigned int length; 22 }; 23 24 #define ARCH_HAS_SG_CHAIN 25 26 #define sg_dma_address(sg) ((sg)->dma_address) 27 #define sg_dma_len(sg) ((sg)->length) 28 29 #define ISA_DMA_THRESHOLD (0x00ffffff) 30 31 #endif 32
