]> git.ipfire.org Git - thirdparty/linux.git/commitdiff
KVM: SVM: Add the type of VM for which the VMCB/VMSA is being dumped
authorTom Lendacky <thomas.lendacky@amd.com>
Thu, 20 Mar 2025 13:26:51 +0000 (08:26 -0500)
committerSean Christopherson <seanjc@google.com>
Fri, 25 Apr 2025 23:19:53 +0000 (16:19 -0700)
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>
arch/x86/kvm/svm/svm.c

index 0ee507e65c05e20f374a579132c617e3859fb244..71a5d96f9a04eb3efa159ff2c715e52ec9d7a3b6 100644 (file)
@@ -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);