xref: /openbmc/linux/arch/arm/include/asm/hardirq.h (revision 9ac8d3fb)
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 typedef struct {
9 	unsigned int __softirq_pending;
10 	unsigned int local_timer_irqs;
11 } ____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 */
33