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ffb6fc8413
TDX KVM doesn't support PMU yet, it's future work of TDX KVM support as another patch series. For now, handle TDX by updating vcpu_to_lbr_desc() and vcpu_to_lbr_records() to return NULL. Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com> Co-developed-by: Tony Lindgren <tony.lindgren@linux.intel.com> Signed-off-by: Tony Lindgren <tony.lindgren@linux.intel.com> Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com> --- - Add pragma poison for to_vmx() (Paolo) Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
28 lines
751 B
C
28 lines
751 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __KVM_X86_VMX_PMU_INTEL_H
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#define __KVM_X86_VMX_PMU_INTEL_H
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#include <linux/kvm_host.h>
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bool intel_pmu_lbr_is_enabled(struct kvm_vcpu *vcpu);
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int intel_pmu_create_guest_lbr_event(struct kvm_vcpu *vcpu);
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struct lbr_desc {
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/* Basic info about guest LBR records. */
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struct x86_pmu_lbr records;
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/*
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* Emulate LBR feature via passthrough LBR registers when the
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* per-vcpu guest LBR event is scheduled on the current pcpu.
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*
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* The records may be inaccurate if the host reclaims the LBR.
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*/
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struct perf_event *event;
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/* True if LBRs are marked as not intercepted in the MSR bitmap */
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bool msr_passthrough;
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};
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extern struct x86_pmu_lbr vmx_lbr_caps;
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#endif /* __KVM_X86_VMX_PMU_INTEL_H */
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