From nobody Sun Feb 8 19:39:52 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1542237279862270.2225314312201; Wed, 14 Nov 2018 15:14:39 -0800 (PST) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1CC753154860; Wed, 14 Nov 2018 23:14:38 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id D2F915D759; Wed, 14 Nov 2018 23:14:37 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 453B6181A134; Wed, 14 Nov 2018 23:14:37 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id wAEMkNeF026841 for ; Wed, 14 Nov 2018 17:46:23 -0500 Received: by smtp.corp.redhat.com (Postfix) id 3EB5D5C554; Wed, 14 Nov 2018 22:46:23 +0000 (UTC) Received: from vitty.brq.redhat.com (ovpn-204-64.brq.redhat.com [10.40.204.64]) by smtp.corp.redhat.com (Postfix) with ESMTP id ED63C5C219; Wed, 14 Nov 2018 22:46:21 +0000 (UTC) From: Vitaly Kuznetsov To: libvir-list@redhat.com Date: Wed, 14 Nov 2018 23:46:07 +0100 Message-Id: <20181114224608.30836-6-vkuznets@redhat.com> In-Reply-To: <20181114224608.30836-1-vkuznets@redhat.com> References: <20181114224608.30836-1-vkuznets@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-loop: libvir-list@redhat.com Cc: Andrea Bolognani , Nikolay Shirokovskiy Subject: [libvirt] [PATCH v3 5/6] qemu: add support for Hyper-V Enlightened VMCS X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.41]); Wed, 14 Nov 2018 23:14:38 +0000 (UTC) Content-Type: text/plain; charset="utf-8" QEMU 3.1 supports Hyper-V Enlightened VMCS feature which significantly speeds up nested Hyper-V on KVM environments. Signed-off-by: Vitaly Kuznetsov --- src/qemu/qemu_command.c | 2 +- src/qemu/qemu_parse_command.c | 2 +- src/qemu/qemu_process.c | 2 +- tests/qemuxml2argvdata/hyperv-off.xml | 1 + tests/qemuxml2argvdata/hyperv.args | 2 +- tests/qemuxml2argvdata/hyperv.xml | 1 + tests/qemuxml2xmloutdata/hyperv-off.xml | 1 + tests/qemuxml2xmloutdata/hyperv.xml | 1 + 8 files changed, 8 insertions(+), 4 deletions(-) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 27e77f7d66..d543ada2a1 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -6883,6 +6883,7 @@ qemuBuildCpuCommandLine(virCommandPtr cmd, case VIR_DOMAIN_HYPERV_REENLIGHTENMENT: case VIR_DOMAIN_HYPERV_TLBFLUSH: case VIR_DOMAIN_HYPERV_IPI: + case VIR_DOMAIN_HYPERV_EVMCS: if (def->hyperv_features[i] =3D=3D VIR_TRISTATE_SWITCH_ON) virBufferAsprintf(&buf, ",hv_%s", virDomainHypervTypeToString(i)); @@ -6900,7 +6901,6 @@ qemuBuildCpuCommandLine(virCommandPtr cmd, def->hyperv_vendor_id); break; =20 - case VIR_DOMAIN_HYPERV_EVMCS: /* coverity[dead_error_begin] */ case VIR_DOMAIN_HYPERV_LAST: break; diff --git a/src/qemu/qemu_parse_command.c b/src/qemu/qemu_parse_command.c index a1f8369919..d91fc8d901 100644 --- a/src/qemu/qemu_parse_command.c +++ b/src/qemu/qemu_parse_command.c @@ -1540,6 +1540,7 @@ qemuParseCommandLineCPU(virDomainDefPtr dom, case VIR_DOMAIN_HYPERV_REENLIGHTENMENT: case VIR_DOMAIN_HYPERV_TLBFLUSH: case VIR_DOMAIN_HYPERV_IPI: + case VIR_DOMAIN_HYPERV_EVMCS: if (value) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("HyperV feature '%s' should not " @@ -1580,7 +1581,6 @@ qemuParseCommandLineCPU(virDomainDefPtr dom, =20 break; =20 - case VIR_DOMAIN_HYPERV_EVMCS: case VIR_DOMAIN_HYPERV_LAST: break; } diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index ed8bcf7f76..ebe8e244ae 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -3954,12 +3954,12 @@ qemuProcessVerifyHypervFeatures(virDomainDefPtr def, case VIR_DOMAIN_HYPERV_REENLIGHTENMENT: case VIR_DOMAIN_HYPERV_TLBFLUSH: case VIR_DOMAIN_HYPERV_IPI: + case VIR_DOMAIN_HYPERV_EVMCS: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("host doesn't support hyperv '%s' feature"), virDomainHypervTypeToString(i)); return -1; =20 - case VIR_DOMAIN_HYPERV_EVMCS: /* coverity[dead_error_begin] */ case VIR_DOMAIN_HYPERV_VENDOR_ID: case VIR_DOMAIN_HYPERV_LAST: diff --git a/tests/qemuxml2argvdata/hyperv-off.xml b/tests/qemuxml2argvdata= /hyperv-off.xml index e51cca45b5..59c1e17ccd 100644 --- a/tests/qemuxml2argvdata/hyperv-off.xml +++ b/tests/qemuxml2argvdata/hyperv-off.xml @@ -24,6 +24,7 @@ + diff --git a/tests/qemuxml2argvdata/hyperv.args b/tests/qemuxml2argvdata/hy= perv.args index 0800e4f79d..5d59788e14 100644 --- a/tests/qemuxml2argvdata/hyperv.args +++ b/tests/qemuxml2argvdata/hyperv.args @@ -10,7 +10,7 @@ QEMU_AUDIO_DRV=3Dnone \ -machine pc,accel=3Dtcg,usb=3Doff,dump-guest-core=3Doff \ -cpu 'qemu32,hv_relaxed,hv_vapic,hv_spinlocks=3D0x2fff,hv_vpindex,hv_runti= me,\ hv_synic,hv_stimer,hv_reset,hv_vendor_id=3DKVM Hv,hv_frequencies,\ -hv_reenlightenment,hv_tlbflush,hv_ipi' \ +hv_reenlightenment,hv_tlbflush,hv_ipi,hv_evmcs' \ -m 214 \ -smp 6,sockets=3D6,cores=3D1,threads=3D1 \ -uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \ diff --git a/tests/qemuxml2argvdata/hyperv.xml b/tests/qemuxml2argvdata/hyp= erv.xml index 05c7d478f7..c6feaed528 100644 --- a/tests/qemuxml2argvdata/hyperv.xml +++ b/tests/qemuxml2argvdata/hyperv.xml @@ -24,6 +24,7 @@ + diff --git a/tests/qemuxml2xmloutdata/hyperv-off.xml b/tests/qemuxml2xmlout= data/hyperv-off.xml index 2282b763b5..1b7d82b14a 100644 --- a/tests/qemuxml2xmloutdata/hyperv-off.xml +++ b/tests/qemuxml2xmloutdata/hyperv-off.xml @@ -24,6 +24,7 @@ + diff --git a/tests/qemuxml2xmloutdata/hyperv.xml b/tests/qemuxml2xmloutdata= /hyperv.xml index 97f387c172..5510d3dfad 100644 --- a/tests/qemuxml2xmloutdata/hyperv.xml +++ b/tests/qemuxml2xmloutdata/hyperv.xml @@ -24,6 +24,7 @@ + --=20 2.17.2 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list