/* softirq.h: 32-bit Sparc soft IRQ support.
 *
 * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
 * Copyright (C) 1998-99 Anton Blanchard (anton@progsoc.uts.edu.au)
 */

#ifndef __SPARC_SOFTIRQ_H
#define __SPARC_SOFTIRQ_H

#include <linux/threads.h>	/* For NR_CPUS */

#include <asm/atomic.h>
#include <asm/smp.h>
#include <asm/hardirq.h>

#define local_bh_disable()	(local_bh_count(smp_processor_id())++)
#define __local_bh_enable()	(local_bh_count(smp_processor_id())--)
#define local_bh_enable()			  \
do { if (!--local_bh_count(smp_processor_id()) && \
	 softirq_pending(smp_processor_id())) {   \
		do_softirq();			  \
		__sti();			  \
     }						  \
} while (0)
#define __cpu_raise_softirq(cpu, nr)	(softirq_pending(cpu) |= (1<<nr))
#define raise_softirq(nr)				\
do {	unsigned long flags;				\
	local_irq_save(flags);				\
	__cpu_raise_softirq(smp_processor_id(), nr);	\
	local_irq_restore(flags);			\
} while (0)
#define in_softirq() (local_bh_count(smp_processor_id()) != 0)

#endif	/* __SPARC_SOFTIRQ_H */
