pmu_intel.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __KVM_X86_VMX_PMU_INTEL_H
 3#define  __KVM_X86_VMX_PMU_INTEL_H
 4
 5#include <linux/kvm_host.h>
 6
 7bool intel_pmu_lbr_is_enabled(struct kvm_vcpu *vcpu);
 8int intel_pmu_create_guest_lbr_event(struct kvm_vcpu *vcpu);
 9
10struct lbr_desc {
11	/* Basic info about guest LBR records. */
12	struct x86_pmu_lbr records;
13
14	/*
15	 * Emulate LBR feature via passthrough LBR registers when the
16	 * per-vcpu guest LBR event is scheduled on the current pcpu.
17	 *
18	 * The records may be inaccurate if the host reclaims the LBR.
19	 */
20	struct perf_event *event;
21
22	/* True if LBRs are marked as not intercepted in the MSR bitmap */
23	bool msr_passthrough;
24};
25
26extern struct x86_pmu_lbr vmx_lbr_caps;
27
28#endif /* __KVM_X86_VMX_PMU_INTEL_H */