blob: 182310b991950b6e22d69930b376d3337335d80a [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __ASM_HARDIRQ_H
2#define __ASM_HARDIRQ_H
3
Linus Torvalds1da177e2005-04-16 15:20:36 -07004#include <linux/cache.h>
5#include <linux/threads.h>
6#include <asm/irq.h>
7
8typedef struct {
9 unsigned int __softirq_pending;
Russell King37ee16a2005-11-08 19:08:05 +000010 unsigned int local_timer_irqs;
Linus Torvalds1da177e2005-04-16 15:20:36 -070011} ____cacheline_aligned irq_cpustat_t;
12
13#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
14
15#if NR_IRQS > 256
16#define HARDIRQ_BITS 9
17#else
18#define HARDIRQ_BITS 8
19#endif
20
21/*
22 * The hardirq mask has to be large enough to have space
23 * for potentially all IRQ sources in the system nesting
24 * on a single CPU:
25 */
26#if (1 << HARDIRQ_BITS) < NR_IRQS
27# error HARDIRQ_BITS is too low!
28#endif
29
30#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1
31
32#endif /* __ASM_HARDIRQ_H */