irq.h 1.7 KB

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  1. #ifndef _ASM_IRQ_H
  2. #define _ASM_IRQ_H
  3. #include <linux/hardirq.h>
  4. #include <linux/percpu.h>
  5. #include <linux/cache.h>
  6. #include <linux/types.h>
  7. enum interruption_main_class {
  8. EXTERNAL_INTERRUPT,
  9. IO_INTERRUPT,
  10. NR_IRQS
  11. };
  12. enum interruption_class {
  13. IRQEXT_CLK,
  14. IRQEXT_EXC,
  15. IRQEXT_EMS,
  16. IRQEXT_TMR,
  17. IRQEXT_TLA,
  18. IRQEXT_PFL,
  19. IRQEXT_DSD,
  20. IRQEXT_VRT,
  21. IRQEXT_SCP,
  22. IRQEXT_IUC,
  23. IRQEXT_CMS,
  24. IRQEXT_CMC,
  25. IRQEXT_CMR,
  26. IRQIO_CIO,
  27. IRQIO_QAI,
  28. IRQIO_DAS,
  29. IRQIO_C15,
  30. IRQIO_C70,
  31. IRQIO_TAP,
  32. IRQIO_VMR,
  33. IRQIO_LCS,
  34. IRQIO_CLW,
  35. IRQIO_CTC,
  36. IRQIO_APB,
  37. IRQIO_ADM,
  38. IRQIO_CSC,
  39. IRQIO_PCI,
  40. IRQIO_MSI,
  41. NMI_NMI,
  42. CPU_RST,
  43. NR_ARCH_IRQS
  44. };
  45. struct irq_stat {
  46. unsigned int irqs[NR_ARCH_IRQS];
  47. };
  48. DECLARE_PER_CPU_SHARED_ALIGNED(struct irq_stat, irq_stat);
  49. static __always_inline void inc_irq_stat(enum interruption_class irq)
  50. {
  51. __get_cpu_var(irq_stat).irqs[irq]++;
  52. }
  53. struct ext_code {
  54. unsigned short subcode;
  55. unsigned short code;
  56. };
  57. typedef void (*ext_int_handler_t)(struct ext_code, unsigned int, unsigned long);
  58. int register_external_interrupt(u16 code, ext_int_handler_t handler);
  59. int unregister_external_interrupt(u16 code, ext_int_handler_t handler);
  60. void service_subclass_irq_register(void);
  61. void service_subclass_irq_unregister(void);
  62. void measurement_alert_subclass_register(void);
  63. void measurement_alert_subclass_unregister(void);
  64. #ifdef CONFIG_LOCKDEP
  65. # define disable_irq_nosync_lockdep(irq) disable_irq_nosync(irq)
  66. # define disable_irq_nosync_lockdep_irqsave(irq, flags) \
  67. disable_irq_nosync(irq)
  68. # define disable_irq_lockdep(irq) disable_irq(irq)
  69. # define enable_irq_lockdep(irq) enable_irq(irq)
  70. # define enable_irq_lockdep_irqrestore(irq, flags) \
  71. enable_irq(irq)
  72. #endif
  73. #endif /* _ASM_IRQ_H */