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From:   John Allen <john.allen@amd.com>
To:     <kvm@vger.kernel.org>
CC:     <linux-kernel@vger.kernel.org>, <pbonzini@redhat.com>,
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Subject: [PATCH 2/9] KVM: x86: SVM: Update dump_vmcb with shadow stack save area additions
Date:   Tue, 10 Oct 2023 20:02:13 +0000
Message-ID: <20231010200220.897953-3-john.allen@amd.com>
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Add shadow stack VMCB save area fields to dump_vmcb. Only include S_CET,
SSP, and ISST_ADDR. Since there currently isn't support to decrypt and
dump the SEV-ES save area, exclude PL0_SSP, PL1_SSP, PL2_SSP, PL3_SSP, and
U_CET which are only inlcuded in the SEV-ES save area.

Signed-off-by: John Allen <john.allen@amd.com>
---
 arch/x86/kvm/svm/svm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 6a0d225311bc..e435e4fbadda 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -3416,6 +3416,10 @@ static void dump_vmcb(struct kvm_vcpu *vcpu)
 	       "rip:", save->rip, "rflags:", save->rflags);
 	pr_err("%-15s %016llx %-13s %016llx\n",
 	       "rsp:", save->rsp, "rax:", save->rax);
+	pr_err("%-15s %016llx %-13s %016llx\n",
+	       "s_cet:", save->s_cet, "ssp:", save->ssp);
+	pr_err("%-15s %016llx\n",
+	       "isst_addr:", save->isst_addr);
 	pr_err("%-15s %016llx %-13s %016llx\n",
 	       "star:", save01->star, "lstar:", save01->lstar);
 	pr_err("%-15s %016llx %-13s %016llx\n",
-- 
2.40.1