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a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=pp1; bh=+6YyciaFEKj+c77oh /l5RlZTVn5yr1TAXZx6lACY22E=; b=ciRul05y925P0GQAuePwJw5cFvfeyTzrQ Rux8lBHuZSln9prouZfqWAG5TPFMeem7L27xeFJOPH2J/an/fFAIumXBejwqydbh MHsol97fwHyHKOhw7WTu+KsroIpqXDeydrlDWuHrIU+PIXHyEgDiFLRxtOdIIZkt dH5pZ6RzWwhE40GvPulE/ibgnbRLjDSGnU5bXOFyKfI0ErGVBo2Bafb7AmfTN+9J yY/9z5lXx8C8/tU8ojvTuIoQMqGX/aaXFHW+YE5ING0nyHWQNXcTlH6hxTQc5Jwn /YB8lVm/rheW3oCNXgRxYmaAHCIYObm4ChexOF8t9uFKP6myf5Z6w== From: Collin Walling To: devel@lists.libvirt.org Subject: [PATCH v5 2/5] qemu: caps: add virCPUFeaturePolicy param to virQEMUCapsUpdateCPUDeprecatedFeatures Date: Sun, 29 Jun 2025 23:19:27 -0400 Message-ID: <20250630031930.950021-3-walling@linux.ibm.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250630031930.950021-1-walling@linux.ibm.com> References: <20250630031930.950021-1-walling@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: kHjvAfxw06U40ESEzBoZ3dX8HAd0aIV- X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjMwMDAyNiBTYWx0ZWRfX0C134wLHuqpR LidYABXE5sQGKkmv+KXe275NzvSDAt0p270Layk/hbsKDoLjazTUQjUYQdUyJOurqRMxQ601Ank CT7LlgBbCOQ0Em8MSnpMPIYixQMGVn1LT+vlaIQ0LSRGaRSV2nORKiFpGO5o/dQFtj/gZpkQU0z DU89pg7MBviCPGcpvJVFEgZwkFXVfVcJY3FHwf3QP0ktvuvQ1u2Ie/zLQpPrTabHhHUWwqPC99M Bm6WjteP35mzstWjzoicUx7RAT8kvaeTLqwNDw0oKoRkg9Iu3V55rJglX5RidSz8YGO1LPyaXhr /rDs2eqAvv+xhg36z3bmfEmAZ09HYD9x7MFZYQ6Yq6jqXz04Zdo4VByuEjYTnciFy28Kysx0YkN ub6SwDQEFrUqgJYGP3OaeUlU5fjQsVFRCPDu/Bvca1G/zuZQjVvFxWbL51n7pzSGG8TsyVhh X-Authority-Analysis: v=2.4 cv=MOlgmNZl c=1 sm=1 tr=0 ts=68620258 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=6IFa9wvqVegA:10 a=VnNF1IyMAAAA:8 a=QFYkeVJvKV2vq4rAkosA:9 X-Proofpoint-GUID: kHjvAfxw06U40ESEzBoZ3dX8HAd0aIV- X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-06-27_05,2025-06-27_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 mlxscore=0 adultscore=0 suspectscore=0 bulkscore=0 clxscore=1015 impostorscore=0 priorityscore=1501 mlxlogscore=999 spamscore=0 malwarescore=0 lowpriorityscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2506300026 Content-Transfer-Encoding: quoted-printable Message-ID-Hash: 3S4EHGPL3VGQHXO5MYDDBT53RM4BJUXD X-Message-ID-Hash: 3S4EHGPL3VGQHXO5MYDDBT53RM4BJUXD X-MailFrom: walling@linux.ibm.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-config-1; header-match-config-2; header-match-config-3; header-match-devel.lists.libvirt.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; suspicious-header CC: pkrempa@redhat.com, fiuczy@linux.ibm.com X-Mailman-Version: 3.2.2 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1751253691930116600 Content-Type: text/plain; charset="utf-8" Currently, virQEMUCapsUpdateCPUDeprecatedFeatures only allows for disabling deprecated features. This locks the deprecated_features attribute to only do something if set to 'off'. Let's add a virCPUFeaturePolicy to the function's parameters which will allow the caller to decide what happens to these features. Add a test with guest XML using deprecated_features=3D'on' to ensure the API is working properly. Signed-off-by: Collin Walling Reviewed-by: Boris Fiuczynski --- src/qemu/qemu_capabilities.c | 6 ++-- src/qemu/qemu_capabilities.h | 3 +- src/qemu/qemu_driver.c | 3 +- src/qemu/qemu_process.c | 9 ++++-- ...l-deprecated-features-on.s390x-latest.args | 32 +++++++++++++++++++ ...el-deprecated-features-on.s390x-latest.xml | 25 +++++++++++++++ .../cpu-model-deprecated-features-on.xml | 15 +++++++++ tests/qemuxmlconftest.c | 1 + 8 files changed, 87 insertions(+), 7 deletions(-) create mode 100644 tests/qemuxmlconfdata/cpu-model-deprecated-features-on.= s390x-latest.args create mode 100644 tests/qemuxmlconfdata/cpu-model-deprecated-features-on.= s390x-latest.xml create mode 100644 tests/qemuxmlconfdata/cpu-model-deprecated-features-on.= xml diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index b02f8e7a01..52ad80a9ca 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -3366,7 +3366,8 @@ virQEMUCapsGetCPUFeatures(virQEMUCaps *qemuCaps, void virQEMUCapsUpdateCPUDeprecatedFeatures(virQEMUCaps *qemuCaps, virDomainVirtType virtType, - virCPUDef *cpu) + virCPUDef *cpu, + virCPUFeaturePolicy policy) { qemuMonitorCPUModelInfo *modelInfo; size_t i; @@ -3377,8 +3378,7 @@ virQEMUCapsUpdateCPUDeprecatedFeatures(virQEMUCaps *q= emuCaps, return; =20 for (i =3D 0; i < g_strv_length(modelInfo->deprecated_props); i++) { - virCPUDefUpdateFeature(cpu, modelInfo->deprecated_props[i], - VIR_CPU_FEATURE_DISABLE); + virCPUDefUpdateFeature(cpu, modelInfo->deprecated_props[i], policy= ); } } =20 diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h index 966e30fa11..a044bda918 100644 --- a/src/qemu/qemu_capabilities.h +++ b/src/qemu/qemu_capabilities.h @@ -787,7 +787,8 @@ int virQEMUCapsGetCPUFeatures(virQEMUCaps *qemuCaps, char ***features); void virQEMUCapsUpdateCPUDeprecatedFeatures(virQEMUCaps *qemuCaps, virDomainVirtType virtType, - virCPUDef *cpu); + virCPUDef *cpu, + virCPUFeaturePolicy policy); =20 virDomainVirtType virQEMUCapsGetVirtType(virQEMUCaps *qemuCaps); =20 diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 9b583ad7aa..c6139d02a1 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -16720,7 +16720,8 @@ qemuConnectGetDomainCapabilities(virConnectPtr conn, =20 if (flags & VIR_CONNECT_GET_DOMAIN_CAPABILITIES_DISABLE_DEPRECATED_FEA= TURES) { virQEMUCapsUpdateCPUDeprecatedFeatures(qemuCaps, virttype, - domCaps->cpu.hostModel); + domCaps->cpu.hostModel, + VIR_CPU_FEATURE_DISABLE); } =20 return virDomainCapsFormat(domCaps); diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index 82cab3f76e..e6124b670a 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -6455,8 +6455,13 @@ qemuProcessUpdateGuestCPU(virDomainDef *def, return -1; } =20 - if (def->cpu->deprecated_feats =3D=3D VIR_TRISTATE_SWITCH_OFF) { - virQEMUCapsUpdateCPUDeprecatedFeatures(qemuCaps, def->virtType, de= f->cpu); + if (def->cpu->deprecated_feats) { + virCPUFeaturePolicy policy =3D VIR_CPU_FEATURE_REQUIRE; + if (def->cpu->deprecated_feats =3D=3D VIR_TRISTATE_SWITCH_OFF) + policy =3D VIR_CPU_FEATURE_DISABLE; + + virQEMUCapsUpdateCPUDeprecatedFeatures(qemuCaps, def->virtType, + def->cpu, policy); } =20 return 0; diff --git a/tests/qemuxmlconfdata/cpu-model-deprecated-features-on.s390x-l= atest.args b/tests/qemuxmlconfdata/cpu-model-deprecated-features-on.s390x-l= atest.args new file mode 100644 index 0000000000..8cdb2a2ac2 --- /dev/null +++ b/tests/qemuxmlconfdata/cpu-model-deprecated-features-on.s390x-latest.a= rgs @@ -0,0 +1,32 @@ +LC_ALL=3DC \ +PATH=3D/bin \ +HOME=3D/var/lib/libvirt/qemu/domain--1-guest \ +USER=3Dtest \ +LOGNAME=3Dtest \ +XDG_DATA_HOME=3D/var/lib/libvirt/qemu/domain--1-guest/.local/share \ +XDG_CACHE_HOME=3D/var/lib/libvirt/qemu/domain--1-guest/.cache \ +XDG_CONFIG_HOME=3D/var/lib/libvirt/qemu/domain--1-guest/.config \ +/usr/bin/qemu-system-s390x \ +-name guest=3Dguest,debug-threads=3Don \ +-S \ +-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/va= r/lib/libvirt/qemu/domain--1-guest/master-key.aes"}' \ +-machine s390-ccw-virtio,usb=3Doff,dump-guest-core=3Doff,memory-backend=3D= s390.ram \ +-accel kvm \ +-cpu gen16a-base,nnpa=3Don,aen=3Don,cmmnt=3Don,vxpdeh=3Don,aefsi=3Don,diag= 318=3Don,csske=3Don,mepoch=3Don,msa9=3Don,msa8=3Don,msa7=3Don,msa6=3Don,msa= 5=3Don,msa4=3Don,msa3=3Don,msa2=3Don,msa1=3Don,sthyi=3Don,edat=3Don,ri=3Don= ,deflate=3Don,edat2=3Don,etoken=3Don,vx=3Don,ipter=3Don,pai=3Don,paie=3Don,= mepochptff=3Don,ap=3Don,vxeh=3Don,vxpd=3Don,esop=3Don,msa9_pckmo=3Don,vxeh2= =3Don,esort=3Don,appv=3Don,apqi=3Don,apft=3Don,els=3Don,iep=3Don,appvi=3Don= ,apqci=3Don,cte=3Don,ais=3Don,bpb=3Don,ctop=3Don,gs=3Don,ppa15=3Don,zpci=3D= on,rdp=3Don,sea_esop2=3Don,beareh=3Don,te=3Don,cmm=3Don,vxpdeh2=3Don \ +-m size=3D219136k \ +-object '{"qom-type":"memory-backend-ram","id":"s390.ram","size":224395264= }' \ +-overcommit mem-lock=3Doff \ +-smp 1,sockets=3D1,cores=3D1,threads=3D1 \ +-uuid 22782664-6b93-46bf-9595-317220dd2d1c \ +-display none \ +-no-user-config \ +-nodefaults \ +-chardev socket,id=3Dcharmonitor,fd=3D1729,server=3Don,wait=3Doff \ +-mon chardev=3Dcharmonitor,id=3Dmonitor,mode=3Dcontrol \ +-rtc base=3Dutc \ +-no-shutdown \ +-boot strict=3Don \ +-audiodev '{"id":"audio1","driver":"none"}' \ +-device '{"driver":"virtio-balloon-ccw","id":"balloon0","devno":"fe.0.0000= "}' \ +-sandbox on,obsolete=3Ddeny,elevateprivileges=3Ddeny,spawn=3Ddeny,resource= control=3Ddeny \ +-msg timestamp=3Don diff --git a/tests/qemuxmlconfdata/cpu-model-deprecated-features-on.s390x-l= atest.xml b/tests/qemuxmlconfdata/cpu-model-deprecated-features-on.s390x-la= test.xml new file mode 100644 index 0000000000..3bea664f40 --- /dev/null +++ b/tests/qemuxmlconfdata/cpu-model-deprecated-features-on.s390x-latest.x= ml @@ -0,0 +1,25 @@ + + guest + 22782664-6b93-46bf-9595-317220dd2d1c + 219100 + 219100 + 1 + + hvm + + + + + destroy + restart + destroy + + /usr/bin/qemu-system-s390x + +