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KVM: SVM: Add the type of VM for which the VMCB/VMSA is being dumped

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Add the type of VM (SVM, SEV, SEV-ES, or SEV-SNP) being dumped to the
dump_vmcb() function.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Kim Phillips <kim.phillips@amd.com>
Link: https://lore.kernel.org/r/7a183a8beedf4ee26c42001160e073a884fe466e.1742477213.git.thomas.lendacky@amd.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Tom Lendacky
2025-04-25 16:19:53 -07:00
committed by Sean Christopherson
parent 22f5c2003a
commit db26450961
1 changed files with 7 additions and 2 deletions
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arch/x86/kvm/svm/svm.c
+7 -2
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@@ -3397,14 +3397,19 @@ static void dump_vmcb(struct kvm_vcpu *vcpu)
struct vmcb_control_area *control = &svm->vmcb->control;
struct vmcb_save_area *save = &svm->vmcb->save;
struct vmcb_save_area *save01 = &svm->vmcb01.ptr->save;
char *vm_type;
if (!dump_invalid_vmcb) {
pr_warn_ratelimited("set kvm_amd.dump_invalid_vmcb=1 to dump internal KVM state.\n");
return;
}
pr_err("VMCB %p, last attempted VMRUN on CPU %d\n",
svm->current_vmcb->ptr, vcpu->arch.last_vmentry_cpu);
vm_type = sev_snp_guest(vcpu->kvm) ? "SEV-SNP" :
sev_es_guest(vcpu->kvm) ? "SEV-ES" :
sev_guest(vcpu->kvm) ? "SEV" : "SVM";
pr_err("%s VMCB %p, last attempted VMRUN on CPU %d\n",
vm_type, svm->current_vmcb->ptr, vcpu->arch.last_vmentry_cpu);
pr_err("VMCB Control Area:\n");
pr_err("%-20s%04x\n", "cr_read:", control->intercepts[INTERCEPT_CR] & 0xffff);
pr_err("%-20s%04x\n", "cr_write:", control->intercepts[INTERCEPT_CR] >> 16);