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ecca250294
Add a special Kconfig symbol X86_HV_CALLBACK_VECTOR so that the guests using the hypervisor interrupt callback counter can select and thus enable that counter. Select it when xen or hyperv support is enabled. No functional changes. Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Borislav Petkov <bp@suse.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Frederic Weisbecker <frederic@kernel.org> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Juergen Gross <jgross@suse.com> Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: linux-hyperv@vger.kernel.org Cc: Nicolai Stange <nstange@suse.de> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sasha Levin <sashal@kernel.org> Cc: Stefano Stabellini <sstabellini@kernel.org> Cc: Stephen Hemminger <sthemmin@microsoft.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: x86-ml <x86@kernel.org> Cc: xen-devel@lists.xenproject.org Link: https://lkml.kernel.org/r/1559108037-18813-2-git-send-email-yakui.zhao@intel.com
83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_X86_HARDIRQ_H
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#define _ASM_X86_HARDIRQ_H
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#include <linux/threads.h>
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typedef struct {
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u16 __softirq_pending;
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#if IS_ENABLED(CONFIG_KVM_INTEL)
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u8 kvm_cpu_l1tf_flush_l1d;
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#endif
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unsigned int __nmi_count; /* arch dependent */
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#ifdef CONFIG_X86_LOCAL_APIC
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unsigned int apic_timer_irqs; /* arch dependent */
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unsigned int irq_spurious_count;
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unsigned int icr_read_retry_count;
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#endif
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#ifdef CONFIG_HAVE_KVM
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unsigned int kvm_posted_intr_ipis;
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unsigned int kvm_posted_intr_wakeup_ipis;
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unsigned int kvm_posted_intr_nested_ipis;
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#endif
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unsigned int x86_platform_ipis; /* arch dependent */
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unsigned int apic_perf_irqs;
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unsigned int apic_irq_work_irqs;
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#ifdef CONFIG_SMP
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unsigned int irq_resched_count;
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unsigned int irq_call_count;
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#endif
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unsigned int irq_tlb_count;
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#ifdef CONFIG_X86_THERMAL_VECTOR
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unsigned int irq_thermal_count;
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#endif
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#ifdef CONFIG_X86_MCE_THRESHOLD
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unsigned int irq_threshold_count;
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#endif
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#ifdef CONFIG_X86_MCE_AMD
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unsigned int irq_deferred_error_count;
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#endif
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#ifdef CONFIG_X86_HV_CALLBACK_VECTOR
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unsigned int irq_hv_callback_count;
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#endif
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#if IS_ENABLED(CONFIG_HYPERV)
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unsigned int irq_hv_reenlightenment_count;
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unsigned int hyperv_stimer0_count;
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#endif
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} ____cacheline_aligned irq_cpustat_t;
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DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
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#define __ARCH_IRQ_STAT
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#define inc_irq_stat(member) this_cpu_inc(irq_stat.member)
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extern void ack_bad_irq(unsigned int irq);
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extern u64 arch_irq_stat_cpu(unsigned int cpu);
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#define arch_irq_stat_cpu arch_irq_stat_cpu
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extern u64 arch_irq_stat(void);
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#define arch_irq_stat arch_irq_stat
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#if IS_ENABLED(CONFIG_KVM_INTEL)
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static inline void kvm_set_cpu_l1tf_flush_l1d(void)
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{
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__this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 1);
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}
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static inline void kvm_clear_cpu_l1tf_flush_l1d(void)
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{
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__this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 0);
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}
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static inline bool kvm_get_cpu_l1tf_flush_l1d(void)
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{
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return __this_cpu_read(irq_stat.kvm_cpu_l1tf_flush_l1d);
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}
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#else /* !IS_ENABLED(CONFIG_KVM_INTEL) */
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static inline void kvm_set_cpu_l1tf_flush_l1d(void) { }
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#endif /* IS_ENABLED(CONFIG_KVM_INTEL) */
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#endif /* _ASM_X86_HARDIRQ_H */
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