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
 7typedef 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#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
49DECLARE_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
 
 
 
 
 
 
 
 
55extern void ack_bad_irq(unsigned int irq);
56
57extern u64 arch_irq_stat_cpu(unsigned int cpu);
58#define arch_irq_stat_cpu	arch_irq_stat_cpu
59
60extern u64 arch_irq_stat(void);
61#define arch_irq_stat		arch_irq_stat
62
63
64#if IS_ENABLED(CONFIG_KVM_INTEL)
65static inline void kvm_set_cpu_l1tf_flush_l1d(void)
66{
67	__this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 1);
68}
69
70static __always_inline void kvm_clear_cpu_l1tf_flush_l1d(void)
71{
72	__this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 0);
73}
74
75static __always_inline bool kvm_get_cpu_l1tf_flush_l1d(void)
76{
77	return __this_cpu_read(irq_stat.kvm_cpu_l1tf_flush_l1d);
78}
79#else /* !IS_ENABLED(CONFIG_KVM_INTEL) */
80static inline void kvm_set_cpu_l1tf_flush_l1d(void) { }
81#endif /* IS_ENABLED(CONFIG_KVM_INTEL) */
82
83#endif /* _ASM_X86_HARDIRQ_H */

 
 1#ifndef _ASM_X86_HARDIRQ_H
 2#define _ASM_X86_HARDIRQ_H
 3
 4#include <linux/threads.h>
 5#include <linux/irq.h>
 6
 7typedef struct {
 8	unsigned int __softirq_pending;
 
 
 
 9	unsigned int __nmi_count;	/* arch dependent */
10#ifdef CONFIG_X86_LOCAL_APIC
11	unsigned int apic_timer_irqs;	/* arch dependent */
12	unsigned int irq_spurious_count;
13	unsigned int icr_read_retry_count;
14#endif
 
 
 
 
 
15	unsigned int x86_platform_ipis;	/* arch dependent */
16	unsigned int apic_perf_irqs;
17	unsigned int apic_irq_work_irqs;
18#ifdef CONFIG_SMP
19	unsigned int irq_resched_count;
20	unsigned int irq_call_count;
 
21	unsigned int irq_tlb_count;
22#endif
23#ifdef CONFIG_X86_THERMAL_VECTOR
24	unsigned int irq_thermal_count;
25#endif
26#ifdef CONFIG_X86_MCE_THRESHOLD
27	unsigned int irq_threshold_count;
28#endif
 
 
 
 
 
 
 
 
 
 
29} ____cacheline_aligned irq_cpustat_t;
30
31DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
32
33/* We can have at most NR_VECTORS irqs routed to a cpu at a time */
34#define MAX_HARDIRQS_PER_CPU NR_VECTORS
35
36#define __ARCH_IRQ_STAT
37
38#define inc_irq_stat(member)	this_cpu_inc(irq_stat.member)
39
40#define local_softirq_pending()	this_cpu_read(irq_stat.__softirq_pending)
41
42#define __ARCH_SET_SOFTIRQ_PENDING
43
44#define set_softirq_pending(x)	\
45		this_cpu_write(irq_stat.__softirq_pending, (x))
46#define or_softirq_pending(x)	this_cpu_or(irq_stat.__softirq_pending, (x))
47
48extern void ack_bad_irq(unsigned int irq);
49
50extern u64 arch_irq_stat_cpu(unsigned int cpu);
51#define arch_irq_stat_cpu	arch_irq_stat_cpu
52
53extern u64 arch_irq_stat(void);
54#define arch_irq_stat		arch_irq_stat
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
55
56#endif /* _ASM_X86_HARDIRQ_H */