Received-SPF: pass (google.com: domain of linux-crypto+bounces-3801-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3;
Received-SPF: Pass (protection.outlook.com: domain of amd.com designates
 165.204.84.17 as permitted sender) receiver=protection.outlook.com;
 client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C
From: Michael Roth <michael.roth@amd.com>
To: <kvm@vger.kernel.org>
CC: <linux-coco@lists.linux.dev>, <linux-mm@kvack.org>,
	<linux-crypto@vger.kernel.org>, <x86@kernel.org>,
	<linux-kernel@vger.kernel.org>, <tglx@linutronix.de>, <mingo@redhat.com>,
	<jroedel@suse.de>, <thomas.lendacky@amd.com>, <hpa@zytor.com>,
	<ardb@kernel.org>, <pbonzini@redhat.com>, <seanjc@google.com>,
	<vkuznets@redhat.com>, <jmattson@google.com>, <luto@kernel.org>,
	<dave.hansen@linux.intel.com>, <slp@redhat.com>, <pgonda@google.com>,
	<peterz@infradead.org>, <srinivas.pandruvada@linux.intel.com>,
	<rientjes@google.com>, <dovmurik@linux.ibm.com>, <tobin@ibm.com>,
	<bp@alien8.de>, <vbabka@suse.cz>, <kirill@shutemov.name>,
	<ak@linux.intel.com>, <tony.luck@intel.com>,
	<sathyanarayanan.kuppuswamy@linux.intel.com>, <alpergun@google.com>,
	<jarkko@kernel.org>, <ashish.kalra@amd.com>, <nikunj.dadhania@amd.com>,
	<pankaj.gupta@amd.com>, <liam.merwick@oracle.com>
Subject: [PATCH v14 27/22] [SQUASH] KVM: SEV: Provide support for SNP_GUEST_REQUEST NAE event
Date: Tue, 23 Apr 2024 11:21:42 -0500
Message-ID: <20240423162144.1780159-5-michael.roth@amd.com>
In-Reply-To: <20240423162144.1780159-1-michael.roth@amd.com>
References: <20240421180122.1650812-1-michael.roth@amd.com>
 <20240423162144.1780159-1-michael.roth@amd.com>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Apr 2024 16:25:13.7307
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: e5ffe3ab-2aa7-4b93-e711-08dc63b1f441
X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com]
X-MS-Exchange-CrossTenant-AuthSource:
	CH1PEPF0000AD7F.namprd04.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB9204

As with SVM_VMGEXIT_PSC, ensure that SVM_VMGEXIT_GUEST_REQUEST can only
be issued by an SNP guest.

Signed-off-by: Michael Roth <michael.roth@amd.com>
---
 arch/x86/kvm/svm/sev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 0e22f588dbe4..2b30b3b0eec8 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -3292,10 +3292,10 @@ static int sev_es_validate_vmgexit(struct vcpu_svm *svm)
 	case SVM_VMGEXIT_TERM_REQUEST:
 		break;
 	case SVM_VMGEXIT_PSC:
+	case SVM_VMGEXIT_GUEST_REQUEST:
 		if (!sev_snp_guest(vcpu->kvm))
 			goto vmgexit_err;
 		break;
-	case SVM_VMGEXIT_GUEST_REQUEST:
 	case SVM_VMGEXIT_EXT_GUEST_REQUEST:
 		break;
 	default:
-- 
2.25.1