scatterlist.h

来自「linux 内核源代码」· C头文件 代码 · 共 20 行

#ifndef _ASMS390_SCATTERLIST_H
#define _ASMS390_SCATTERLIST_H

struct scatterlist {
#ifdef CONFIG_DEBUG_SG
    unsigned long sg_magic;
#endif
    unsigned long page_link;
    unsigned int offset;
    unsigned int length;
};

#ifdef __s390x__
#define ISA_DMA_THRESHOLD (0xffffffffffffffffUL)
#else
#define ISA_DMA_THRESHOLD (0xffffffffUL)
#endif

#endif /* _ASMS390X_SCATTERLIST_H */