hardirq.h 2.2 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef _ASM_X86_HARDIRQ_H
  3. #define _ASM_X86_HARDIRQ_H
  4. #include <linux/threads.h>
  5. #include <linux/irq.h>
  6. typedef struct {
  7. u16 __softirq_pending;
  8. #if IS_ENABLED(CONFIG_KVM_INTEL)
  9. u8 kvm_cpu_l1tf_flush_l1d;
  10. #endif
  11. unsigned int __nmi_count; /* arch dependent */
  12. #ifdef CONFIG_X86_LOCAL_APIC
  13. unsigned int apic_timer_irqs; /* arch dependent */
  14. unsigned int irq_spurious_count;
  15. unsigned int icr_read_retry_count;
  16. #endif
  17. #ifdef CONFIG_HAVE_KVM
  18. unsigned int kvm_posted_intr_ipis;
  19. unsigned int kvm_posted_intr_wakeup_ipis;
  20. unsigned int kvm_posted_intr_nested_ipis;
  21. #endif
  22. unsigned int x86_platform_ipis; /* arch dependent */
  23. unsigned int apic_perf_irqs;
  24. unsigned int apic_irq_work_irqs;
  25. #ifdef CONFIG_SMP
  26. unsigned int irq_resched_count;
  27. unsigned int irq_call_count;
  28. #endif
  29. unsigned int irq_tlb_count;
  30. #ifdef CONFIG_X86_THERMAL_VECTOR
  31. unsigned int irq_thermal_count;
  32. #endif
  33. #ifdef CONFIG_X86_MCE_THRESHOLD
  34. unsigned int irq_threshold_count;
  35. #endif
  36. #ifdef CONFIG_X86_MCE_AMD
  37. unsigned int irq_deferred_error_count;
  38. #endif
  39. #if IS_ENABLED(CONFIG_HYPERV) || defined(CONFIG_XEN)
  40. unsigned int irq_hv_callback_count;
  41. #endif
  42. #if IS_ENABLED(CONFIG_HYPERV)
  43. unsigned int irq_hv_reenlightenment_count;
  44. unsigned int hyperv_stimer0_count;
  45. #endif
  46. } ____cacheline_aligned irq_cpustat_t;
  47. DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
  48. #define __ARCH_IRQ_STAT
  49. #define inc_irq_stat(member) this_cpu_inc(irq_stat.member)
  50. extern void ack_bad_irq(unsigned int irq);
  51. extern u64 arch_irq_stat_cpu(unsigned int cpu);
  52. #define arch_irq_stat_cpu arch_irq_stat_cpu
  53. extern u64 arch_irq_stat(void);
  54. #define arch_irq_stat arch_irq_stat
  55. #if IS_ENABLED(CONFIG_KVM_INTEL)
  56. static inline void kvm_set_cpu_l1tf_flush_l1d(void)
  57. {
  58. __this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 1);
  59. }
  60. static inline void kvm_clear_cpu_l1tf_flush_l1d(void)
  61. {
  62. __this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 0);
  63. }
  64. static inline bool kvm_get_cpu_l1tf_flush_l1d(void)
  65. {
  66. return __this_cpu_read(irq_stat.kvm_cpu_l1tf_flush_l1d);
  67. }
  68. #else /* !IS_ENABLED(CONFIG_KVM_INTEL) */
  69. static inline void kvm_set_cpu_l1tf_flush_l1d(void) { }
  70. #endif /* IS_ENABLED(CONFIG_KVM_INTEL) */
  71. #endif /* _ASM_X86_HARDIRQ_H */