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Signed-off-by: Shivansh Dhiman --- Changes in v3: * Update the print statements to align with fields in VMCB save area. Changes in v2: * Gate all the FRED MSRs through guest_cpu_cap_has() (Sean Christopherson). --- arch/x86/kvm/svm/svm.c | 43 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index fb6b94405f88..86a3ba54aab2 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -3589,6 +3589,11 @@ static void dump_vmcb(struct kvm_vcpu *vcpu) pr_err("%-20s%016llx\n", "allowed_sev_features:", control->allowed_sev_features); pr_err("%-20s%016llx\n", "guest_sev_features:", control->guest_sev_features); + if (guest_cpu_cap_has(vcpu, X86_FEATURE_FRED)) { + pr_err("%-20s%016llx\n", "exit_int_data:", control->exit_int_data); + pr_err("%-20s%016llx\n", "event_inj_data:", control->event_inj_data); + } + if (is_sev_es_guest(vcpu)) { save = sev_decrypt_vmsa(vcpu); if (!save) @@ -3703,6 +3708,27 @@ static void dump_vmcb(struct kvm_vcpu *vcpu) "r14:", vmsa->r14, "r15:", vmsa->r15); pr_err("%-15s %016llx %-13s %016llx\n", "xcr0:", vmsa->xcr0, "xss:", vmsa->xss); + + if (guest_cpu_cap_has(vcpu, X86_FEATURE_FRED)) { + pr_err("%-27s %d %-18s%016llx\n", + "is_fred_enabled:", is_fred_enabled(vcpu), + "guest_evntinjdata:", vmsa->guest_event_inj_data); + pr_err("%-12s %016llx %-18s%016llx\n", + "fred_config:", vmsa->fred_config, + "guest_exitintdata:", vmsa->guest_exit_int_data); + pr_err("%-15s %016llx %-13s %016llx\n", + "fred_rsp0:", vmsa->fred_rsp0, + "fred_rsp1:", vmsa->fred_rsp1); + pr_err("%-15s %016llx %-13s %016llx\n", + "fred_rsp2:", vmsa->fred_rsp2, + "fred_rsp3:", vmsa->fred_rsp3); + pr_err("%-15s %016llx %-13s %016llx\n", + "fred_stklvls:", vmsa->fred_stklvls, + "fred_ssp1:", vmsa->fred_ssp1); + pr_err("%-15s %016llx %-13s %016llx\n", + "fred_ssp2:", vmsa->fred_ssp2, + "fred_ssp3:", vmsa->fred_ssp3); + } } else { pr_err("%-15s %016llx %-13s %016lx\n", "rax:", save->rax, "rbx:", @@ -3730,6 +3756,23 @@ static void dump_vmcb(struct kvm_vcpu *vcpu) "r14:", vcpu->arch.regs[VCPU_REGS_R14], "r15:", vcpu->arch.regs[VCPU_REGS_R15]); #endif + if (guest_cpu_cap_has(vcpu, X86_FEATURE_FRED)) { + pr_err("%-15s %-15d %-13s %016llx\n", + "is_fred_enabled:", is_fred_enabled(vcpu), + "fred_config:", save->fred_config); + pr_err("%-15s %016llx %-13s %016llx\n", + "fred_rsp0:", svm_read_guest_fred_rsp0(svm), + "fred_rsp1:", save->fred_rsp1); + pr_err("%-15s %016llx %-13s %016llx\n", + "fred_rsp2:", save->fred_rsp2, + "fred_rsp3:", save->fred_rsp3); + pr_err("%-15s %016llx %-13s %016llx\n", + "fred_stklvls:", save->fred_stklvls, + "fred_ssp1:", save->fred_ssp1); + pr_err("%-15s %016llx %-13s %016llx\n", + "fred_ssp2:", save->fred_ssp2, + "fred_ssp3:", save->fred_ssp3); + } } no_vmsa: -- 2.43.0