arch/parisc/include/asm/hardirq.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* hardirq.h: PA-RISC hard IRQ support.
   3  *
   4  * Copyright (C) 2001 Matthew Wilcox <matthew@wil.cx>
   5  * Copyright (C) 2013 Helge Deller <deller@gmx.de>
   6  */
   7
   8 #ifndef _PARISC_HARDIRQ_H
   9 #define _PARISC_HARDIRQ_H
  10
  11 #include <linux/cache.h>
  12 #include <linux/threads.h>
  13 #include <linux/irq.h>
  14
  15 #ifdef CONFIG_IRQSTACKS
  16 #define __ARCH_HAS_DO_SOFTIRQ
  17 #endif
  18
  19 typedef struct {
  20         unsigned int __softirq_pending;
  21         unsigned int kernel_stack_usage;
  22         unsigned int irq_stack_usage;
  23 #ifdef CONFIG_SMP
  24         unsigned int irq_resched_count;
  25 #endif
  26         unsigned int irq_unaligned_count;
  27         unsigned int irq_fpassist_count;
  28         unsigned int irq_tlb_count;
  29 } ____cacheline_aligned irq_cpustat_t;
  30
  31 DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
  32
  33 #define __ARCH_IRQ_STAT
  34 #define __IRQ_STAT(cpu, member) (irq_stat[cpu].member)
  35 #define inc_irq_stat(member)    this_cpu_inc(irq_stat.member)
  36 #define __inc_irq_stat(member)  __this_cpu_inc(irq_stat.member)
  37 #define local_softirq_pending() this_cpu_read(irq_stat.__softirq_pending)
  38
  39 #define __ARCH_SET_SOFTIRQ_PENDING
  40
  41 #define set_softirq_pending(x)  \
  42                 this_cpu_write(irq_stat.__softirq_pending, (x))
  43 #define or_softirq_pending(x)   this_cpu_or(irq_stat.__softirq_pending, (x))
  44
  45 #define ack_bad_irq(irq) WARN(1, "unexpected IRQ trap at vector %02x\n", irq)
  46
  47 #endif /* _PARISC_HARDIRQ_H */