xref: /openbmc/linux/arch/arm/include/asm/hardirq.h (revision 4baa9922)
14baa9922SRussell King #ifndef __ASM_HARDIRQ_H
24baa9922SRussell King #define __ASM_HARDIRQ_H
34baa9922SRussell King 
44baa9922SRussell King #include <linux/cache.h>
54baa9922SRussell King #include <linux/threads.h>
64baa9922SRussell King #include <asm/irq.h>
74baa9922SRussell King 
84baa9922SRussell King typedef struct {
94baa9922SRussell King 	unsigned int __softirq_pending;
104baa9922SRussell King 	unsigned int local_timer_irqs;
114baa9922SRussell King } ____cacheline_aligned irq_cpustat_t;
124baa9922SRussell King 
134baa9922SRussell King #include <linux/irq_cpustat.h>	/* Standard mappings for irq_cpustat_t above */
144baa9922SRussell King 
154baa9922SRussell King #if NR_IRQS > 256
164baa9922SRussell King #define HARDIRQ_BITS	9
174baa9922SRussell King #else
184baa9922SRussell King #define HARDIRQ_BITS	8
194baa9922SRussell King #endif
204baa9922SRussell King 
214baa9922SRussell King /*
224baa9922SRussell King  * The hardirq mask has to be large enough to have space
234baa9922SRussell King  * for potentially all IRQ sources in the system nesting
244baa9922SRussell King  * on a single CPU:
254baa9922SRussell King  */
264baa9922SRussell King #if (1 << HARDIRQ_BITS) < NR_IRQS
274baa9922SRussell King # error HARDIRQ_BITS is too low!
284baa9922SRussell King #endif
294baa9922SRussell King 
304baa9922SRussell King #define __ARCH_IRQ_EXIT_IRQS_DISABLED	1
314baa9922SRussell King 
324baa9922SRussell King #endif /* __ASM_HARDIRQ_H */
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