xref: /linux/arch/x86/include/asm/hardirq.h (revision c0e297dc61f8d4453e07afbea1fa8d0e67cd4a34)
1 #ifndef _ASM_X86_HARDIRQ_H
2 #define _ASM_X86_HARDIRQ_H
3 
4 #include <linux/threads.h>
5 #include <linux/irq.h>
6 
7 typedef 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 #ifdef CONFIG_HAVE_KVM
16 	unsigned int kvm_posted_intr_ipis;
17 	unsigned int kvm_posted_intr_wakeup_ipis;
18 #endif
19 	unsigned int x86_platform_ipis;	/* arch dependent */
20 	unsigned int apic_perf_irqs;
21 	unsigned int apic_irq_work_irqs;
22 #ifdef CONFIG_SMP
23 	unsigned int irq_resched_count;
24 	unsigned int irq_call_count;
25 	/*
26 	 * irq_tlb_count is double-counted in irq_call_count, so it must be
27 	 * subtracted from irq_call_count when displaying irq_call_count
28 	 */
29 	unsigned int irq_tlb_count;
30 #endif
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 #endif /* _ASM_X86_HARDIRQ_H */
68