aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/hardirq.h
blob: 275e7fd20310f7a237d2d22f790a2c0928c170a9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_HARDIRQ_H
#define _ASM_X86_HARDIRQ_H

#include <linux/threads.h>

typedef struct {
	u16	     __softirq_pending;
#if IS_ENABLED(CONFIG_KVM_INTEL)
	u8	     kvm_cpu_l1tf_flush_l1d;
#endif
	unsigned int __nmi_count;	/* arch dependent */
#ifdef CONFIG_X86_LOCAL_APIC
	unsigned int apic_timer_irqs;	/* arch dependent */
	unsigned int irq_spurious_count;
	unsigned int icr_read_retry_count;
#endif
#ifdef CONFIG_HAVE_KVM
	unsigned int kvm_posted_intr_ipis;
	unsigned int kvm_posted_intr_wakeup_ipis;
	unsigned int kvm_posted_intr_nested_ipis;
#endif
	unsigned int x86_platform_ipis;	/* arch dependent */
	unsigned int apic_perf_irqs;
	unsigned int apic_irq_work_irqs;
#ifdef CONFIG_SMP
	unsigned int irq_resched_count;
	unsigned int irq_call_count;
#endif
	unsigned int irq_tlb_count;
#ifdef CONFIG_X86_THERMAL_VECTOR
	unsigned int irq_thermal_count;
#endif
#ifdef CONFIG_X86_MCE_THRESHOLD
	unsigned int irq_threshold_count;
#endif
#ifdef CONFIG_X86_MCE_AMD
	unsigned int irq_deferred_error_count;
#endif
#ifdef CONFIG_X86_HV_CALLBACK_VECTOR
	unsigned int irq_hv_callback_count;
#endif
#if IS_ENABLED(CONFIG_HYPERV)
	unsigned int irq_hv_reenlightenment_count;
	unsigned int hyperv_stimer0_count;
#endif
} ____cacheline_aligned irq_cpustat_t;

DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);

#define __ARCH_IRQ_STAT

#define inc_irq_stat(member)	this_cpu_inc(irq_stat.member)

extern void ack_bad_irq(unsigned int irq);

extern u64 arch_irq_stat_cpu(unsigned int cpu);
#define arch_irq_stat_cpu	arch_irq_stat_cpu

extern u64 arch_irq_stat(void);
#define arch_irq_stat		arch_irq_stat


#if IS_ENABLED(CONFIG_KVM_INTEL)
static inline void kvm_set_cpu_l1tf_flush_l1d(void)
{
	__this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 1);
}

static __always_inline void kvm_clear_cpu_l1tf_flush_l1d(void)
{
	__this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 0);
}

static __always_inline bool kvm_get_cpu_l1tf_flush_l1d(void)
{
	return __this_cpu_read(irq_stat.kvm_cpu_l1tf_flush_l1d);
}
#else /* !IS_ENABLED(CONFIG_KVM_INTEL) */
static inline void kvm_set_cpu_l1tf_flush_l1d(void) { }
#endif /* IS_ENABLED(CONFIG_KVM_INTEL) */

#endif /* _ASM_X86_HARDIRQ_H */

Privacy Policy