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no-senders; approved; loop; banned-address; header-match-devel.lists.libvirt.org-0; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: skolothumtho@nvidia.com, nicolinc@nvidia.com, nathanc@nvidia.com, mochs@nvidia.com X-Mailman-Version: 3.3.10 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Nathan Chen via Devel Reply-To: Nathan Chen X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1764705658254019200 Content-Type: text/plain; charset="utf-8" Use presence of non-negative pci_bus to identify multi-smmuv3 IOMMU model, instead of the niommus attribute. This allows for specifying a single arm-smmuv3 on the qemu command line, instead of both the virt-machine smmuv3 and arm-smmuv3 being specified at the same time. Signed-off-by: Nathan Chen Reviewed-by: J=C3=A1n Tomko --- src/qemu/qemu_command.c | 2 +- src/qemu/qemu_postparse.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index b69fe23236..fb89dbec27 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -7192,7 +7192,7 @@ qemuBuildMachineCommandLine(virCommand *cmd, if (qemuAppendDomainFeaturesMachineParam(&buf, def, qemuCaps) < 0) return -1; =20 - if (def->niommus =3D=3D 1) { + if (def->iommus && def->iommus[0]->pci_bus < 0) { switch (def->iommus[0]->model) { case VIR_DOMAIN_IOMMU_MODEL_SMMUV3: virBufferAddLit(&buf, ",iommu=3Dsmmuv3"); diff --git a/src/qemu/qemu_postparse.c b/src/qemu/qemu_postparse.c index dc5ade829a..840d6a1174 100644 --- a/src/qemu/qemu_postparse.c +++ b/src/qemu/qemu_postparse.c @@ -1559,7 +1559,7 @@ qemuDomainDefEnableDefaultFeatures(virDomainDef *def, * domain already has IOMMU without inremap. This will be fixed in * qemuDomainIOMMUDefPostParse() but there domain definition can't be * modified so change it now. */ - if (def->iommus && def->niommus =3D=3D 1 && + if (def->iommus && def->iommus[0]->pci_bus < 0 && (def->iommus[0]->intremap =3D=3D VIR_TRISTATE_SWITCH_ON || qemuDomainNeedsIOMMUWithEIM(def)) && def->features[VIR_DOMAIN_FEATURE_IOAPIC] =3D=3D VIR_DOMAIN_IOAPIC_= NONE) { --=20 2.43.0 From nobody Fri Dec 12 12:55:09 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) client-ip=8.43.85.245; envelope-from=devel-bounces@lists.libvirt.org; helo=lists.libvirt.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) smtp.mailfrom=devel-bounces@lists.libvirt.org; dmarc=pass(p=reject dis=none) header.from=lists.libvirt.org ARC-Seal: i=1; a=rsa-sha256; t=1764922654; cv=none; d=zohomail.com; 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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1764922596; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=jQub15pneMfz19o58l+T61ItLIbC2XvvOzRFLfJ9Ii4=; b=UJnoKSqILavbKn4ySFcbMvLINDd40rjbppkeyU43AcmLmQhtPrK/p08UsYcgWI0AFfa81I Yq8G+rhUfeXmB+/vSgs2dLLr5nZveY2c0nLPm7TL+lpMoLUuP59HsihrjPvcpoQ7AmDyp3 XBdDvgoIsodSAr2x3P/bHohv7UwCbBY= X-MC-Unique: 7NByPKu2MDO_u5xQZTwD-A-1 X-Mimecast-MFC-AGG-ID: 7NByPKu2MDO_u5xQZTwD-A_1764922594 To: devel@lists.libvirt.org Subject: [libvirt PATCH] tests: add test for a single per-device smmuv3 Date: Fri, 5 Dec 2025 09:16:11 +0100 Message-ID: <45ff1c002629dadd9d94b91742ffb985b0fe027f.1764922571.git.jtomko@redhat.com> In-Reply-To: <20251202195947.3388438-1-nathanc@nvidia.com> References: <20251202195947.3388438-1-nathanc@nvidia.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: 0WfS2AtUOzWzr45d7yKGSYoEZQyiaVSAmwGuya5sMbE_1764922594 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID-Hash: CCJR57TPAL57RXNUTOGUGYHEMZP77MBG X-Message-ID-Hash: CCJR57TPAL57RXNUTOGUGYHEMZP77MBG X-MailFrom: jtomko@redhat.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-devel.lists.libvirt.org-0; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: nathanc@nvidia.com X-Mailman-Version: 3.3.10 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: =?utf-8?q?J=C3=A1n_Tomko_via_Devel?= Reply-To: =?UTF-8?q?J=C3=A1n=20Tomko?= X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1764922656569019200 From: J=C3=A1n Tomko Signed-off-by: J=C3=A1n Tomko --- ...-smmuv3-pci-bus-single.aarch64-latest.args | 40 +++++++++++++ ...u-smmuv3-pci-bus-single.aarch64-latest.xml | 59 +++++++++++++++++++ .../iommu-smmuv3-pci-bus-single.xml | 46 +++++++++++++++ tests/qemuxmlconftest.c | 1 + 4 files changed, 146 insertions(+) create mode 100644 tests/qemuxmlconfdata/iommu-smmuv3-pci-bus-single.aarch= 64-latest.args create mode 100644 tests/qemuxmlconfdata/iommu-smmuv3-pci-bus-single.aarch= 64-latest.xml create mode 100644 tests/qemuxmlconfdata/iommu-smmuv3-pci-bus-single.xml diff --git a/tests/qemuxmlconfdata/iommu-smmuv3-pci-bus-single.aarch64-late= st.args b/tests/qemuxmlconfdata/iommu-smmuv3-pci-bus-single.aarch64-latest.= args new file mode 100644 index 0000000000..976467e641 --- /dev/null +++ b/tests/qemuxmlconfdata/iommu-smmuv3-pci-bus-single.aarch64-latest.args @@ -0,0 +1,40 @@ +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-aarch64 \ +-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 virt,usb=3Doff,gic-version=3D2,iommu=3Dsmmuv3,dump-guest-core=3Do= ff,memory-backend=3Dmach-virt.ram,acpi=3Doff \ +-accel tcg \ +-cpu cortex-a15 \ +-m size=3D1048576k \ +-object '{"qom-type":"memory-backend-ram","id":"mach-virt.ram","size":1073= 741824}' \ +-overcommit mem-lock=3Doff \ +-smp 1,sockets=3D1,cores=3D1,threads=3D1 \ +-uuid 1ccfd97d-5eb4-478a-bbe6-88d254c16db7 \ +-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 \ +-device '{"driver":"pxb-pcie","bus_nr":252,"id":"pci.1","bus":"pcie.0","ad= dr":"0x1"}' \ +-device '{"driver":"pxb-pcie","bus_nr":248,"id":"pci.2","bus":"pcie.0","ad= dr":"0x2"}' \ +-device '{"driver":"pcie-root-port","port":0,"chassis":21,"id":"pci.3","bu= s":"pci.1","addr":"0x0"}' \ +-device '{"driver":"pcie-root-port","port":168,"chassis":22,"id":"pci.4","= bus":"pci.2","addr":"0x0"}' \ +-device '{"driver":"arm-smmuv3","primary-bus":"pci.1","id":"iommu0"}' \ +-audiodev '{"id":"audio1","driver":"none"}' \ +-object '{"qom-type":"rng-random","id":"objrng0","filename":"/dev/urandom"= }' \ +-device '{"driver":"virtio-rng-pci","rng":"objrng0","id":"rng0","bus":"pci= .3","addr":"0x0"}' \ +-object '{"qom-type":"rng-random","id":"objrng1","filename":"/dev/urandom"= }' \ +-device '{"driver":"virtio-rng-pci","rng":"objrng1","id":"rng1","bus":"pci= .4","addr":"0x0"}' \ +-sandbox on,obsolete=3Ddeny,elevateprivileges=3Ddeny,spawn=3Ddeny,resource= control=3Ddeny \ +-msg timestamp=3Don diff --git a/tests/qemuxmlconfdata/iommu-smmuv3-pci-bus-single.aarch64-late= st.xml b/tests/qemuxmlconfdata/iommu-smmuv3-pci-bus-single.aarch64-latest.x= ml new file mode 100644 index 0000000000..e6071fd71b --- /dev/null +++ b/tests/qemuxmlconfdata/iommu-smmuv3-pci-bus-single.aarch64-latest.xml @@ -0,0 +1,59 @@ + + guest + 1ccfd97d-5eb4-478a-bbe6-88d254c16db7 + 1048576 + 1048576 + 1 + + hvm + + + + + + + cortex-a15 + + + destroy + restart + destroy + + /usr/bin/qemu-system-aarch64 + + + + + +
+ + + + +
+ + + + +
+ + + + +
+ +