1 files changed, 83 insertions, 0 deletions
diff --git a/arch/x86/include/asm/hardirq.h b/arch/x86/include/asm/hardirq.h
new file mode 100644
index 000000000..275e7fd20
--- /dev/null
+++ b/arch/x86/include/asm/hardirq.h
@@ -0,0 +1,83 @@
+/* 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 */