1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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2 | #ifndef _ASM_X86_HARDIRQ_H |
3 | #define _ASM_X86_HARDIRQ_H |
4 | |
5 | #include <linux/threads.h> |
6 | #include <asm/current.h> |
7 | |
8 | typedef struct { |
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 | #ifdef CONFIG_X86_HV_CALLBACK_VECTOR |
41 | unsigned int irq_hv_callback_count; |
42 | #endif |
43 | #if IS_ENABLED(CONFIG_HYPERV) |
44 | unsigned int irq_hv_reenlightenment_count; |
45 | unsigned int hyperv_stimer0_count; |
46 | #endif |
47 | } ____cacheline_aligned irq_cpustat_t; |
48 | |
49 | DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); |
50 | |
51 | #define __ARCH_IRQ_STAT |
52 | |
53 | #define inc_irq_stat(member) this_cpu_inc(irq_stat.member) |
54 | |
55 | extern void ack_bad_irq(unsigned int irq); |
56 | |
57 | extern u64 arch_irq_stat_cpu(unsigned int cpu); |
58 | #define arch_irq_stat_cpu arch_irq_stat_cpu |
59 | |
60 | extern u64 arch_irq_stat(void); |
61 | #define arch_irq_stat arch_irq_stat |
62 | |
63 | #define local_softirq_pending_ref pcpu_hot.softirq_pending |
64 | |
65 | #if IS_ENABLED(CONFIG_KVM_INTEL) |
66 | static inline void kvm_set_cpu_l1tf_flush_l1d(void) |
67 | { |
68 | __this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 1); |
69 | } |
70 | |
71 | static __always_inline void kvm_clear_cpu_l1tf_flush_l1d(void) |
72 | { |
73 | __this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 0); |
74 | } |
75 | |
76 | static __always_inline bool kvm_get_cpu_l1tf_flush_l1d(void) |
77 | { |
78 | return __this_cpu_read(irq_stat.kvm_cpu_l1tf_flush_l1d); |
79 | } |
80 | #else /* !IS_ENABLED(CONFIG_KVM_INTEL) */ |
81 | static inline void kvm_set_cpu_l1tf_flush_l1d(void) { } |
82 | #endif /* IS_ENABLED(CONFIG_KVM_INTEL) */ |
83 | |
84 | #endif /* _ASM_X86_HARDIRQ_H */ |
85 |