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. typedef struct {
  6. u16 __softirq_pending;
  7. #if IS_ENABLED(CONFIG_KVM_INTEL)
  8. u8 kvm_cpu_l1tf_flush_l1d;
  9. #endif
  10. unsigned int __nmi_count; /* arch dependent */
  11. #ifdef CONFIG_X86_LOCAL_APIC
  12. unsigned int apic_timer_irqs; /* arch dependent */
  13. unsigned int irq_spurious_count;
  14. unsigned int icr_read_retry_count;
  15. #endif
  16. #ifdef CONFIG_HAVE_KVM
  17. unsigned int kvm_posted_intr_ipis;
  18. unsigned int kvm_posted_intr_wakeup_ipis;
  19. unsigned int kvm_posted_intr_nested_ipis;
  20. #endif
  21. unsigned int x86_platform_ipis; /* arch dependent */
  22. unsigned int apic_perf_irqs;
  23. unsigned int apic_irq_work_irqs;
  24. #ifdef CONFIG_SMP
  25. unsigned int irq_resched_count;
  26. unsigned int irq_call_count;
  27. #endif
  28. unsigned int irq_tlb_count;
  29. #ifdef CONFIG_X86_THERMAL_VECTOR
  30. unsigned int irq_thermal_count;
  31. #endif
  32. #ifdef CONFIG_X86_MCE_THRESHOLD
  33. unsigned int irq_threshold_count;
  34. #endif
  35. #ifdef CONFIG_X86_MCE_AMD
  36. unsigned int irq_deferred_error_count;
  37. #endif
  38. #ifdef CONFIG_X86_HV_CALLBACK_VECTOR
  39. unsigned int irq_hv_callback_count;
  40. #endif
  41. #if IS_ENABLED(CONFIG_HYPERV)
  42. unsigned int irq_hv_reenlightenment_count;
  43. unsigned int hyperv_stimer0_count;
  44. #endif
  45. } ____cacheline_aligned irq_cpustat_t;
  46. DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
  47. #define __ARCH_IRQ_STAT
  48. #define inc_irq_stat(member) this_cpu_inc(irq_stat.member)
  49. extern void ack_bad_irq(unsigned int irq);
  50. extern u64 arch_irq_stat_cpu(unsigned int cpu);
  51. #define arch_irq_stat_cpu arch_irq_stat_cpu
  52. extern u64 arch_irq_stat(void);
  53. #define arch_irq_stat arch_irq_stat
  54. #if IS_ENABLED(CONFIG_KVM_INTEL)
  55. static inline void kvm_set_cpu_l1tf_flush_l1d(void)
  56. {
  57. __this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 1);
  58. }
  59. static __always_inline void kvm_clear_cpu_l1tf_flush_l1d(void)
  60. {
  61. __this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 0);
  62. }
  63. static __always_inline bool kvm_get_cpu_l1tf_flush_l1d(void)
  64. {
  65. return __this_cpu_read(irq_stat.kvm_cpu_l1tf_flush_l1d);
  66. }
  67. #else /* !IS_ENABLED(CONFIG_KVM_INTEL) */
  68. static inline void kvm_set_cpu_l1tf_flush_l1d(void) { }
  69. #endif /* IS_ENABLED(CONFIG_KVM_INTEL) */
  70. #endif /* _ASM_X86_HARDIRQ_H */