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Linux kernel mirror (for testing)
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kernel
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linux
1#ifndef __ASM_HARDIRQ_H
2#define __ASM_HARDIRQ_H
3
4#include <linux/cache.h>
5#include <linux/threads.h>
6#include <asm/irq.h>
7
8#define NR_IPI 5
9
10typedef struct {
11 unsigned int __softirq_pending;
12#ifdef CONFIG_LOCAL_TIMERS
13 unsigned int local_timer_irqs;
14#endif
15#ifdef CONFIG_SMP
16 unsigned int ipi_irqs[NR_IPI];
17#endif
18} ____cacheline_aligned irq_cpustat_t;
19
20#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
21
22#define __inc_irq_stat(cpu, member) __IRQ_STAT(cpu, member)++
23#define __get_irq_stat(cpu, member) __IRQ_STAT(cpu, member)
24
25#ifdef CONFIG_SMP
26u64 smp_irq_stat_cpu(unsigned int cpu);
27#else
28#define smp_irq_stat_cpu(cpu) 0
29#endif
30
31#define arch_irq_stat_cpu smp_irq_stat_cpu
32
33#if NR_IRQS > 512
34#define HARDIRQ_BITS 10
35#elif NR_IRQS > 256
36#define HARDIRQ_BITS 9
37#else
38#define HARDIRQ_BITS 8
39#endif
40
41/*
42 * The hardirq mask has to be large enough to have space
43 * for potentially all IRQ sources in the system nesting
44 * on a single CPU:
45 */
46#if (1 << HARDIRQ_BITS) < NR_IRQS
47# error HARDIRQ_BITS is too low!
48#endif
49
50#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1
51
52#endif /* __ASM_HARDIRQ_H */