[linux-block.git] / include / linux / irq_cpustat.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __irq_cpustat_h
#define __irq_cpustat_h

/*
 * Contains default mappings for irq_cpustat_t, used by almost every
 * architecture.  Some arch (like s390) have per cpu hardware pages and
 * they define their own mappings for irq_stat.
 *
 * Keith Owens <kaos@ocs.com.au> July 2000.
 */


/*
 * Simple wrappers reducing source bloat.  Define all irq_stat fields
 * here, even ones that are arch dependent.  That way we get common
 * definitions instead of differing sets for each arch.
 */

#ifndef __ARCH_IRQ_STAT
DECLARE_PER_CPU_ALIGNED(irq_cpustat_t, irq_stat);	/* defined in asm/hardirq.h */
#define __IRQ_STAT(cpu, member)	(per_cpu(irq_stat.member, cpu))
#endif

/* arch dependent irq_stat fields */
#define nmi_count(cpu)		__IRQ_STAT((cpu), __nmi_count)	/* i386 */

#endif	/* __irq_cpustat_h */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	#ifndef __irq_cpustat_h
	3	#define __irq_cpustat_h
	4
	5	/*
	6	* Contains default mappings for irq_cpustat_t, used by almost every
	7	* architecture. Some arch (like s390) have per cpu hardware pages and
	8	* they define their own mappings for irq_stat.
	9	*
	10	* Keith Owens <kaos@ocs.com.au> July 2000.
	11	*/
	12
1da177e4 LT	13
	14	/*
	15	* Simple wrappers reducing source bloat. Define all irq_stat fields
	16	* here, even ones that are arch dependent. That way we get common
	17	* definitions instead of differing sets for each arch.
	18	*/
	19
	20	#ifndef __ARCH_IRQ_STAT
0f6f47ba FW	21	DECLARE_PER_CPU_ALIGNED(irq_cpustat_t, irq_stat); /* defined in asm/hardirq.h */
0f6f47ba FW	22	#define __IRQ_STAT(cpu, member) (per_cpu(irq_stat.member, cpu))
1da177e4 LT	23	#endif
1da177e4 LT	24
0fd7d862	25	/* arch dependent irq_stat fields */
1da177e4 LT	26	#define nmi_count(cpu) __IRQ_STAT((cpu), __nmi_count) /* i386 */
	27
	28	#endif /* __irq_cpustat_h */