From nobody Sat Feb 7 05:52:13 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=quarantine dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1769523963; cv=none; d=zohomail.com; s=zohoarc; b=mBmsOSGcUWFLnvi01dfjKAkGFNR73vo/yOGcV65xL5a4UtnT7EuVLOGfAHTgXtt0bUL6zcJRsRrubmJ/abFaXr5s1RRYHLyUmJSdUyzRCtoGCWwvrMIO+1DQ8W68yjR43uBtFi3j77voHVYoNsKCoiW+EFxYfosBD6VFJMVvTk8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1769523963; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=szAIg0k+mHe4c3qMioMT70O09QSk/0gvWDwX1okGjgQ=; b=ej/bTIP7JsPwSi8TqciJFxqgW0NiMhyLsTaAnqv+8e811Qaje3fu0kL7r6SAuFMWLjK/8eJ2nGfqMLXNWw9RZwbix9wyNNL+bHd2B30f8uuN0dqSvTGC15U+iQIXRHv/IS15ApRDjOmhEif9CoFQQTMYVEEgiR5DmEULB4B3txs= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1769523963847138.2887851198593; Tue, 27 Jan 2026 06:26:03 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vkk0p-0004xi-VN; Tue, 27 Jan 2026 09:25:48 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vkk0o-0004xA-Ke for qemu-devel@nongnu.org; Tue, 27 Jan 2026 09:25:46 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vkk0l-0003G9-Ql for qemu-devel@nongnu.org; Tue, 27 Jan 2026 09:25:46 -0500 Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-540-qcwUTpITNDSQv9OeruR00Q-1; Tue, 27 Jan 2026 09:25:41 -0500 Received: by mail-wm1-f70.google.com with SMTP id 5b1f17b1804b1-47ee33324e8so43190425e9.1 for ; Tue, 27 Jan 2026 06:25:40 -0800 (PST) Received: from [192.168.10.48] ([151.61.26.160]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4804d4faecbsm131168725e9.1.2026.01.27.06.25.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Jan 2026 06:25:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1769523942; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=szAIg0k+mHe4c3qMioMT70O09QSk/0gvWDwX1okGjgQ=; b=Oi0b96xz5Qt9acU3UC08NPQsuOV0L8TpHzt424KLLfHjWbENcOC/lFEtKNylQBkdIg8Ewh 7xDHS4ZlKUiERzBk/ERmv16DDHk6QcU0T5CdGazFfF5WQadSTJqNDandRhGxRb7BszDcca 0JjUb93lxv1RKQkNjd63iEUbygO0TDc= X-MC-Unique: qcwUTpITNDSQv9OeruR00Q-1 X-Mimecast-MFC-AGG-ID: qcwUTpITNDSQv9OeruR00Q_1769523940 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=google; t=1769523939; x=1770128739; darn=nongnu.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=szAIg0k+mHe4c3qMioMT70O09QSk/0gvWDwX1okGjgQ=; b=bSZIfgc/EC+WrLcc25O7YrqtohhLJHSBOKAkWBsD4OXMKSad30kdhsdDarVsFKEF2g oPDDPeaikvCKb6FrcNWIziRdybyC/wq/v24jvospnlGH3kkzbjNDpvPk7dlNcdAh0/Ez bFsLq1WGK52e38WXMI/DohvLlhCjnGtgekGOEyc8mTH+8IxYZnVOF16ffyiNW1eSNYCd cCdizsfI/4FlyZ9alcYsTjuZS88QU42WI4ZLFxJBjwpG8l83q7280a65qwLCPe5Y09MZ kDIuiIflcG0QWo51Uub1KDRXbSIgI0y1fT/zEZoqQf5NvfCp//Cm+Hr7LPktrPVp5hPP ODew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769523939; x=1770128739; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=szAIg0k+mHe4c3qMioMT70O09QSk/0gvWDwX1okGjgQ=; b=F5ViHLxUYuyfzeZyXD5aMqm5Hh8G/YXQWbnwrgzZaQsGpP9IEO+hiKNv/M2CqLX65D cQXVcxM2KW5Yho9gYfJdv3lhXWGDSM1nqCtQQ3dqKQi8l2g9IjA0UV/Mxj43V0jyG7VT 17vsKtMiEY+13MknM1/C8y3KUD9dpXaxF0rwht8uAm8RMDea3L97mI7WLUX7C8DaSnks 6lohQMRovrlXVXnnOQWwncnBRIGglAMNvOnRFuKyYPTe3MZ8Y9xK+V01KD22bcURsKJe cZqRSeeLKzOOmvXII1PCKz4hHxSlwcSL7NkYEdr638wSjvXT0LW3I0Y0WRFaKv6RU/t0 bsmg== X-Gm-Message-State: AOJu0YzaKj+MSN5CfWzoMf1gcwrftYzpKSuJ+4Any2JbeMOZRVcKohzu 8JBzdmRsDwgqmWNn4CapC5P6aBN57+8MSnciXisLYcY1Z9o6GOzYkrmsqPEBRSmouEDU8WV8iid YNziAlPJ+1T/3HlfmcobzQ4/vkuPdkeVe+0xc50eRKOugnR94BPkt2pGEQe3W/SX5P5y4fxR1gb 2KsmMib6qHGjZI8GIJDfxoOpRnWdjAQFrQ0fd9KubK X-Gm-Gg: AZuq6aLTkoEMLKrYEnnhcIVmaZqTaVysNonQjA8Q9a3aySm1avT/YpwQXJ8eRwC3Afx OXr/qqxdd+iuvb9C/eTVu6UjvZBA+hSHGXttpmo9kaVjwMwHn8yOxqnbH65sF8EfoMCSsMnaCsL lI3DYKp8j4gntFJjMO8nbYbpbSDl4pVEH1EVjO4i2phjO6LvJA2sxkupasxgrShRC5hS5ooL0M9 3A5/kMbBMGr/X4u4wdHKyLtp8Fve8pxp4nsIDP6MjTtmxflXTqC2ReVvAPvkWlUcpX/DAA6gln2 L4bYF24aX8hQUXOhoRmO4Xv/gADqlp/ZgEljx/jJbKuQ85+zvUKGPeY3OZPGJarLXNCP0QJKMkl 0c1CuAH2UbRkGKnN7unEbXXCPzoHt+jrIjZOOg8yOE7urahngdPXptQqVO0hDn8DD4OpxTY2EcO HUPCvC2VeoFg2XiA== X-Received: by 2002:a05:600c:8714:b0:477:8985:4036 with SMTP id 5b1f17b1804b1-48069c16475mr26781225e9.1.1769523938907; Tue, 27 Jan 2026 06:25:38 -0800 (PST) X-Received: by 2002:a05:600c:8714:b0:477:8985:4036 with SMTP id 5b1f17b1804b1-48069c16475mr26780775e9.1.1769523938384; Tue, 27 Jan 2026 06:25:38 -0800 (PST) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: Jin Liu , Michael Roth Subject: [PATCH] target/i386: convert SEV-ES termination requests to guest panic events Date: Tue, 27 Jan 2026 15:25:36 +0100 Message-ID: <20260127142536.412726-1-pbonzini@redhat.com> X-Mailer: git-send-email 2.52.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1769523965503154100 Content-Type: text/plain; charset="utf-8" This produces a good error message instead of: KVM: unknown exit reason 24 EAX=3D00000000 EBX=3D00000000 ECX=3D00000000 EDX=3D00a00f11 ESI=3D00000000 EDI=3D00000000 EBP=3D00000000 ESP=3D00000000 EIP=3D0000b004 EFL=3D00000002 [-------] CPL=3D0 II=3D0 A20=3D1 SMM=3D0 HLT= =3D1 ES =3D0000 00000000 0000ffff 00009300 CS =3Df000 00800000 0000ffff 00009b00 SS =3D0000 00000000 0000ffff 00009300 DS =3D0000 00000000 0000ffff 00009300 FS =3D0000 00000000 0000ffff 00009300 GS =3D0000 00000000 0000ffff 00009300 LDT=3D0000 00000000 0000ffff 00008200 TR =3D0000 00000000 0000ffff 00008b00 GDT=3D 00000000 0000ffff IDT=3D 00000000 0000ffff CR0=3D60000010 CR2=3D00000000 CR3=3D00000000 CR4=3D00000000 DR0=3D0000000000000000 DR1=3D0000000000000000 DR2=3D0000000000000000 DR3=3D= 0000000000000000 DR6=3D00000000ffff0ff0 DR7=3D0000000000000400 EFER=3D0000000000000000 Code=3D00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 = 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 = 00 00 00 Reported-by: Jin Liu Cc: Michael Roth Signed-off-by: Paolo Bonzini --- qapi/run-state.json | 23 +++++++++++++++++++++-- accel/kvm/kvm-all.c | 1 + system/runstate.c | 4 ++++ target/i386/cpu-system.c | 22 ++++++++++++++++++++++ 4 files changed, 48 insertions(+), 2 deletions(-) diff --git a/qapi/run-state.json b/qapi/run-state.json index a6bc94a44bb..a5771ad4681 100644 --- a/qapi/run-state.json +++ b/qapi/run-state.json @@ -504,10 +504,12 @@ # # @tdx: tdx guest panic information type (Since: 10.1) # +# @sev: AMD SEV-ES guest termination information type (Since: 11.0) +# # Since: 2.9 ## { 'enum': 'GuestPanicInformationType', - 'data': [ 'hyper-v', 's390', 'tdx' ] } + 'data': [ 'hyper-v', 's390', 'tdx', 'sev' ] } =20 ## # @GuestPanicInformation: @@ -523,7 +525,8 @@ 'discriminator': 'type', 'data': {'hyper-v': 'GuestPanicInformationHyperV', 's390': 'GuestPanicInformationS390', - 'tdx' : 'GuestPanicInformationTdx'}} + 'tdx': 'GuestPanicInformationTdx', + 'sev': 'GuestPanicInformationSev' }} =20 ## # @GuestPanicInformationHyperV: @@ -625,6 +628,22 @@ 'message': 'str', '*gpa': 'uint64'}} =20 +## +# @GuestPanicInformationSev: +# +# Information for AMD SEV-specific termination request (GHCB MSR +# contents) +# +# @set: The reason code set provided by the guest +# +# @code: The reason code provided by the guest +# +# Since: 11.0 +## +{'struct': 'GuestPanicInformationSev', + 'data': {'set': 'uint32', + 'code': 'uint32'}} + ## # @MEMORY_FAILURE: # diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 8301a512e7f..0d8b0c43470 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -3300,6 +3300,7 @@ int kvm_cpu_exec(CPUState *cpu) qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); ret =3D EXCP_INTERRUPT; break; + case KVM_SYSTEM_EVENT_SEV_TERM: case KVM_SYSTEM_EVENT_CRASH: kvm_cpu_synchronize_state(cpu); bql_lock(); diff --git a/system/runstate.c b/system/runstate.c index ed2db564806..d091a2bdddb 100644 --- a/system/runstate.c +++ b/system/runstate.c @@ -669,6 +669,10 @@ void qemu_system_guest_panicked(GuestPanicInformation = *info) "can be found at gpa page: 0x%" PRIx64 "\n", info->u.tdx.gpa); } + } else if (info->type =3D=3D GUEST_PANIC_INFORMATION_TYPE_SEV) { + qemu_log_mask(LOG_GUEST_ERROR, "SEV termination (reason set: %= d code: %d)", + info->u.sev.set, + info->u.sev.code); } =20 qapi_free_GuestPanicInformation(info); diff --git a/target/i386/cpu-system.c b/target/i386/cpu-system.c index b1494aa6740..c8bbf0cbafd 100644 --- a/target/i386/cpu-system.c +++ b/target/i386/cpu-system.c @@ -18,6 +18,8 @@ */ =20 #include "qemu/osdep.h" +#include "qemu/error-report.h" +#include "system/kvm.h" #include "cpu.h" #include "qapi/error.h" #include "qapi/qapi-visit-run-state.h" @@ -272,6 +274,26 @@ GuestPanicInformation *x86_cpu_get_crash_info(CPUState= *cs) CPUX86State *env =3D &cpu->env; GuestPanicInformation *panic_info =3D NULL; =20 +#ifdef CONFIG_KVM + if (kvm_enabled()) { + struct kvm_run *run =3D cs->kvm_run; + + if (run->exit_reason =3D=3D KVM_EXIT_SYSTEM_EVENT && + run->system_event.type =3D=3D KVM_SYSTEM_EVENT_SEV_TERM) { + panic_info =3D g_new0(GuestPanicInformation, 1); + + panic_info->type =3D GUEST_PANIC_INFORMATION_TYPE_SEV; + /* There should always be one data item, otherwise use zeroes.= */ + if (run->system_event.ndata > 0) { + panic_info->u.sev.set =3D (run->system_event.data[0] >> 12= ) & 0xf; + panic_info->u.sev.code =3D (run->system_event.data[0] >> 1= 6) & 0xff; + } else { + warn_report("Hypervisor did not provide any data for SEV-E= S termination"); + } + } + } else +#endif + if (hyperv_feat_enabled(cpu, HYPERV_FEAT_CRASH)) { panic_info =3D g_new0(GuestPanicInformation, 1); =20 --=20 2.52.0