hardirq.h 1.4 KB

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  1. /*
  2. * Copyright (C) 2012 ARM Ltd.
  3. *
  4. * This program is free software; you can redistribute it and/or modify
  5. * it under the terms of the GNU General Public License version 2 as
  6. * published by the Free Software Foundation.
  7. *
  8. * This program is distributed in the hope that it will be useful,
  9. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11. * GNU General Public License for more details.
  12. *
  13. * You should have received a copy of the GNU General Public License
  14. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  15. */
  16. #ifndef __ASM_HARDIRQ_H
  17. #define __ASM_HARDIRQ_H
  18. #include <linux/cache.h>
  19. #include <linux/threads.h>
  20. #include <asm/irq.h>
  21. #define NR_IPI 4
  22. typedef struct {
  23. unsigned int __softirq_pending;
  24. #ifdef CONFIG_SMP
  25. unsigned int ipi_irqs[NR_IPI];
  26. #endif
  27. } ____cacheline_aligned irq_cpustat_t;
  28. #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
  29. #define __inc_irq_stat(cpu, member) __IRQ_STAT(cpu, member)++
  30. #define __get_irq_stat(cpu, member) __IRQ_STAT(cpu, member)
  31. #ifdef CONFIG_SMP
  32. u64 smp_irq_stat_cpu(unsigned int cpu);
  33. #define arch_irq_stat_cpu smp_irq_stat_cpu
  34. #endif
  35. #define __ARCH_IRQ_EXIT_IRQS_DISABLED 1
  36. static inline void ack_bad_irq(unsigned int irq)
  37. {
  38. extern unsigned long irq_err_count;
  39. irq_err_count++;
  40. }
  41. extern void handle_IRQ(unsigned int, struct pt_regs *);
  42. #endif /* __ASM_HARDIRQ_H */