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#include <asm/current.h>
7
8typedef 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#if IS_ENABLED(CONFIG_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#ifdef CONFIG_X86_POSTED_MSI
48	unsigned int posted_msi_notification_count;
49#endif
50} ____cacheline_aligned irq_cpustat_t;
51
52DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
53
54#ifdef CONFIG_X86_POSTED_MSI
55DECLARE_PER_CPU_ALIGNED(struct pi_desc, posted_msi_pi_desc);
56#endif
57#define __ARCH_IRQ_STAT
58
59#define inc_irq_stat(member)	this_cpu_inc(irq_stat.member)
60
61extern void ack_bad_irq(unsigned int irq);
62
63extern u64 arch_irq_stat_cpu(unsigned int cpu);
64#define arch_irq_stat_cpu	arch_irq_stat_cpu
65
66extern u64 arch_irq_stat(void);
67#define arch_irq_stat		arch_irq_stat
68
69#define local_softirq_pending_ref       pcpu_hot.softirq_pending
70
71#if IS_ENABLED(CONFIG_KVM_INTEL)
72static inline void kvm_set_cpu_l1tf_flush_l1d(void)
73{
74	__this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 1);
75}
76
77static __always_inline void kvm_clear_cpu_l1tf_flush_l1d(void)
78{
79	__this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 0);
80}
81
82static __always_inline bool kvm_get_cpu_l1tf_flush_l1d(void)
83{
84	return __this_cpu_read(irq_stat.kvm_cpu_l1tf_flush_l1d);
85}
86#else /* !IS_ENABLED(CONFIG_KVM_INTEL) */
87static inline void kvm_set_cpu_l1tf_flush_l1d(void) { }
88#endif /* IS_ENABLED(CONFIG_KVM_INTEL) */
89
90#endif /* _ASM_X86_HARDIRQ_H */
91