ide.h
来自「基于组件方式开发操作系统的OSKIT源代码」· C头文件 代码 · 共 52 行
H
52 行
/* * linux/include/asm-arm/ide.h * * Copyright (C) 1994-1996 Linus Torvalds & authors *//* * This file contains the i386 architecture specific IDE code. */#ifndef __ASMARM_IDE_H#define __ASMARM_IDE_H#ifdef __KERNEL__#ifndef MAX_HWIFS#define MAX_HWIFS 4#endif#define ide__sti() __sti()#include <asm/arch/ide.h>typedef union { unsigned all : 8; /* all of the bits together */ struct { unsigned head : 4; /* always zeros here */ unsigned unit : 1; /* drive select number, 0 or 1 */ unsigned bit5 : 1; /* always 1 */ unsigned lba : 1; /* using LBA instead of CHS */ unsigned bit7 : 1; /* always 1 */ } b; } select_t;#define ide_request_irq(irq,hand,flg,dev,id) request_irq((irq),(hand),(flg),(dev),(id))#define ide_free_irq(irq,dev_id) free_irq((irq), (dev_id))#define ide_check_region(from,extent) check_region((from), (extent))#define ide_request_region(from,extent,name) request_region((from), (extent), (name))#define ide_release_region(from,extent) release_region((from), (extent))/* * The following are not needed for the non-m68k ports */#define ide_ack_intr(a, b) (1)#define ide_fix_driveid(id) do {} while (0)#define ide_release_lock(lock) do {} while (0)#define ide_get_lock(lock, hdlr, data) do {} while (0)#endif /* __KERNEL__ */#endif /* __ASMi386_IDE_H */
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