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bh=KivTbOXS+3oiVjY5ZiKam/jpxyT3EFP4k2ezU9Z8CkY=; b=YAX35T5qezKQ52ihUh3bTKBT5APHm89IvNj9Ed7DnP+g9ttDmATZMLzefPhg1gL18h9QGf kID0vgdommIDf6OMq/iSW5osLucqb0r9Nj/rLA514cIH478TNnMkRkCRLe4u6USuErjgf9 +SmScdQU4SSmkI+rG9FSV2CUITv+c5E= X-MC-Unique: E-6oxuLjN96_GGywcHX4pQ-1 X-MC-Unique: NDEh9RW1NNSoUgLZ1HQplQ-1 From: Tobin Feldman-Fitzthum To: libvir-list@redhat.com Subject: [libvirt PATCH v4 3/3] add virQEMUCapsProbeQMPTCGState function to set QEMU_CAPS_TCG_DISABLED Date: Wed, 22 Apr 2020 17:50:44 -0400 Message-Id: <20200422215044.10300-4-tobin@linux.vnet.ibm.com> In-Reply-To: <20200422215044.10300-1-tobin@linux.vnet.ibm.com> References: <20200422215044.10300-1-tobin@linux.vnet.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.676 definitions=2020-04-22_08:2020-04-22, 2020-04-22 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=1 bulkscore=0 phishscore=0 priorityscore=1501 spamscore=0 mlxlogscore=797 malwarescore=0 clxscore=1015 mlxscore=0 lowpriorityscore=0 adultscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004220161 X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-MIME-Autoconverted: from quoted-printable to 8bit by lists01.pubmisc.prod.ext.phx2.redhat.com id 03MLou6h010572 X-loop: libvir-list@redhat.com Cc: Tobin Feldman-Fitzthum , pkrempa@redhat.com, tobin@ibm.com, dbuono@us.ibm.com 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: , Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" Add virQEMUCapsProbeQMPTCGState to set TCG_DISABLED cap if version=20 is > 2.10, KVM is enabled, and tcg-accel is not present in=20 qom-list-types result. Signed-off-by: Tobin Feldman-Fitzthum Reviewed-by: Peter Krempa --- src/qemu/qemu_capabilities.c | 34 ++++++++++++++++++++++++++++++++-- 1 file changed, 32 insertions(+), 2 deletions(-) diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index e7179ea048..4a3170fc5c 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -2576,7 +2576,35 @@ virQEMUCapsProbeQMPGenericProps(virQEMUCapsPtr qemuC= aps, } =20 static int -virQEMUCapsProbeQMPDevices(virQEMUCapsPtr qemuCaps, +virQEMUCapsProbeQMPTCGState(virQEMUCapsPtr qemuCaps, + char **values, + int nvalues) +{ + size_t i; + bool found =3D false; + /* + * As of version 2.10, QEMU can be built without the TCG. + * */ + if (qemuCaps->version < 2010000) + return 0; + if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM)) + return 0; + + for (i =3D 0; i < nvalues; i++) { + if (STREQ(values[i], "tcg-accel")) { + found =3D true; + break; + } + } + + if (!found) + virQEMUCapsSet(qemuCaps, QEMU_CAPS_TCG_DISABLED); + + return 0; +} + +static int +virQEMUCapsProbeQMPTypes(virQEMUCapsPtr qemuCaps, qemuMonitorPtr mon) { int nvalues; @@ -2584,6 +2612,8 @@ virQEMUCapsProbeQMPDevices(virQEMUCapsPtr qemuCaps, =20 if ((nvalues =3D qemuMonitorGetObjectTypes(mon, &values)) < 0) return -1; + + virQEMUCapsProbeQMPTCGState(qemuCaps, values, nvalues); virQEMUCapsProcessStringFlags(qemuCaps, G_N_ELEMENTS(virQEMUCapsObjectTypes), virQEMUCapsObjectTypes, @@ -5047,7 +5077,7 @@ virQEMUCapsInitQMPMonitor(virQEMUCapsPtr qemuCaps, =20 if (virQEMUCapsProbeQMPEvents(qemuCaps, mon) < 0) return -1; - if (virQEMUCapsProbeQMPDevices(qemuCaps, mon) < 0) + if (virQEMUCapsProbeQMPTypes(qemuCaps, mon) < 0) return -1; if (virQEMUCapsProbeQMPMachineTypes(qemuCaps, type, mon) < 0) return -1; --=20 2.20.1 (Apple Git-117)