scatterlist.h

来自「linux 内核源代码」· C头文件 代码 · 共 22 行

#ifndef _ASM_M32R_SCATTERLIST_H
#define _ASM_M32R_SCATTERLIST_H

#include <asm/types.h>

struct scatterlist {
#ifdef CONFIG_DEBUG_SG
    unsigned long sg_magic;
#endif
    char *  address;    /* Location data is to be transferred to, NULL for
                         * highmem page */
    unsigned long page_link;
    unsigned int offset;/* for highmem, page offset */

    dma_addr_t dma_address;
    unsigned int length;
};

#define ISA_DMA_THRESHOLD (0x1fffffff)

#endif /* _ASM_M32R_SCATTERLIST_H */