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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-x86_64/] [irq.h] - Blame information for rev 1275

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#ifndef _ASM_IRQ_H
#define _ASM_IRQ_H
 
/*
 *      linux/include/asm/irq.h
 *
 *      (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
 *
 *      IRQ/IPI changes taken from work by Thomas Radke
 *      <tomsoft@informatik.tu-chemnitz.de>
 */
 
#define TIMER_IRQ 0
 
/*
 * 16 8259A IRQ's, 208 potential APIC interrupt sources.
 * Right now the APIC is mostly only used for SMP.
 * 256 vectors is an architectural limit. (we can have
 * more than 256 devices theoretically, but they will
 * have to use shared interrupts)
 * Since vectors 0x00-0x1f are used/reserved for the CPU,
 * the usable vector space is 0x20-0xff (224 vectors)
 */
#ifdef CONFIG_X86_IO_APIC
#define NR_IRQS 224
#else
#define NR_IRQS 16
#endif
 
static __inline__ int irq_cannonicalize(int irq)
{
        return ((irq == 2) ? 9 : irq);
}
 
extern void disable_irq(unsigned int);
extern void disable_irq_nosync(unsigned int);
extern void enable_irq(unsigned int);
 
#define ARCH_HAS_NMI_WATCHDOG 1
 
#endif /* _ASM_IRQ_H */

Line No.	Rev	Author	Line
1	1275	phoenix	`#ifndef _ASM_IRQ_H`
2			`#define _ASM_IRQ_H`
3
4			`/*`
5			`* linux/include/asm/irq.h`
6			`*`
7			`* (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar`
8			`*`
9			`* IRQ/IPI changes taken from work by Thomas Radke`
10			`* <tomsoft@informatik.tu-chemnitz.de>`
11			`*/`
12
13			`#define TIMER_IRQ 0`
14
15			`/*`
16			`* 16 8259A IRQ's, 208 potential APIC interrupt sources.`
17			`* Right now the APIC is mostly only used for SMP.`
18			`* 256 vectors is an architectural limit. (we can have`
19			`* more than 256 devices theoretically, but they will`
20			`* have to use shared interrupts)`
21			`* Since vectors 0x00-0x1f are used/reserved for the CPU,`
22			`* the usable vector space is 0x20-0xff (224 vectors)`
23			`*/`
24			`#ifdef CONFIG_X86_IO_APIC`
25			`#define NR_IRQS 224`
26			`#else`
27			`#define NR_IRQS 16`
28			`#endif`
29
30			`static __inline__ int irq_cannonicalize(int irq)`
31			`{`
32			`return ((irq == 2) ? 9 : irq);`
33			`}`
34
35			`extern void disable_irq(unsigned int);`
36			`extern void disable_irq_nosync(unsigned int);`
37			`extern void enable_irq(unsigned int);`
38
39			`#define ARCH_HAS_NMI_WATCHDOG 1`
40
41			`#endif /* _ASM_IRQ_H */`

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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-x86_64/] [irq.h] - Blame information for rev 1275