LXR linux/include/linux/irq

   1/* SPDX-License-Identifier: GPL-2.0 */
   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
  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
  21extern irq_cpustat_t irq_stat[];                /* defined in asm/hardirq.h */
  22#define __IRQ_STAT(cpu, member) (irq_stat[cpu].member)
  23#endif
  24
  25  /* arch independent irq_stat fields */
  26#define local_softirq_pending() \
  27        __IRQ_STAT(smp_processor_id(), __softirq_pending)
  28
  29  /* arch dependent irq_stat fields */
  30#define nmi_count(cpu)          __IRQ_STAT((cpu), __nmi_count)  /* i386 */
  31
  32#endif  /* __irq_cpustat_h */
  33