1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_X86_HARDIRQ_H 3 #define _ASM_X86_HARDIRQ_H 4 5 #include <linux/threads.h> 6 7 typedef struct { 8 u16 __softirq_pending; 9 #if IS_ENABLED(CONFIG_KVM_INTEL) 10 u8 kvm_cpu_l1tf_flush_l1d; 11 #endif 12 unsigned int __nmi_count; /* arch dependent */ 13 #ifdef CONFIG_X86_LOCAL_APIC 14 unsigned int apic_timer_irqs; /* arch dependent */ 15 unsigned int irq_spurious_count; 16 unsigned int icr_read_retry_count; 17 #endif 18 #ifdef CONFIG_HAVE_KVM 19 unsigned int kvm_posted_intr_ipis; 20 unsigned int kvm_posted_intr_wakeup_ipis; 21 unsigned int kvm_posted_intr_nested_ipis; 22 #endif 23 unsigned int x86_platform_ipis; /* arch dependent */ 24 unsigned int apic_perf_irqs; 25 unsigned int apic_irq_work_irqs; 26 #ifdef CONFIG_SMP 27 unsigned int irq_resched_count; 28 unsigned int irq_call_count; 29 #endif 30 unsigned int irq_tlb_count; 31 #ifdef CONFIG_X86_THERMAL_VECTOR 32 unsigned int irq_thermal_count; 33 #endif 34 #ifdef CONFIG_X86_MCE_THRESHOLD 35 unsigned int irq_threshold_count; 36 #endif 37 #ifdef CONFIG_X86_MCE_AMD 38 unsigned int irq_deferred_error_count; 39 #endif 40 #if IS_ENABLED(CONFIG_HYPERV) || defined(CONFIG_XEN) 41 unsigned int irq_hv_callback_count; 42 #endif 43 } ____cacheline_aligned irq_cpustat_t; 44 45 DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); 46 47 #define __ARCH_IRQ_STAT 48 49 #define inc_irq_stat(member) this_cpu_inc(irq_stat.member) 50 51 #define local_softirq_pending() this_cpu_read(irq_stat.__softirq_pending) 52 53 #define __ARCH_SET_SOFTIRQ_PENDING 54 55 #define set_softirq_pending(x) \ 56 this_cpu_write(irq_stat.__softirq_pending, (x)) 57 #define or_softirq_pending(x) this_cpu_or(irq_stat.__softirq_pending, (x)) 58 59 extern void ack_bad_irq(unsigned int irq); 60 61 extern u64 arch_irq_stat_cpu(unsigned int cpu); 62 #define arch_irq_stat_cpu arch_irq_stat_cpu 63 64 extern u64 arch_irq_stat(void); 65 #define arch_irq_stat arch_irq_stat 66 67 68 #if IS_ENABLED(CONFIG_KVM_INTEL) kvm_set_cpu_l1tf_flush_l1d(void)69static inline void kvm_set_cpu_l1tf_flush_l1d(void) 70 { 71 __this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 1); 72 } 73 kvm_clear_cpu_l1tf_flush_l1d(void)74static inline void kvm_clear_cpu_l1tf_flush_l1d(void) 75 { 76 __this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 0); 77 } 78 kvm_get_cpu_l1tf_flush_l1d(void)79static inline bool kvm_get_cpu_l1tf_flush_l1d(void) 80 { 81 return __this_cpu_read(irq_stat.kvm_cpu_l1tf_flush_l1d); 82 } 83 #else /* !IS_ENABLED(CONFIG_KVM_INTEL) */ kvm_set_cpu_l1tf_flush_l1d(void)84static inline void kvm_set_cpu_l1tf_flush_l1d(void) { } 85 #endif /* IS_ENABLED(CONFIG_KVM_INTEL) */ 86 87 #endif /* _ASM_X86_HARDIRQ_H */ 88