From nobody Mon Feb 9 21:36:51 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.39 as permitted sender) client-ip=209.132.183.39; envelope-from=libvir-list-bounces@redhat.com; helo=mx6-phx2.redhat.com; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.39 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; Return-Path: Received: from mx6-phx2.redhat.com (mx6-phx2.redhat.com [209.132.183.39]) by mx.zohomail.com with SMTPS id 1488298651093789.7751858518089; Tue, 28 Feb 2017 08:17:31 -0800 (PST) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by mx6-phx2.redhat.com (8.14.4/8.14.4) with ESMTP id v1SGELG2046126; Tue, 28 Feb 2017 11:14:21 -0500 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id v1SGCvRU004509 for ; Tue, 28 Feb 2017 11:12:57 -0500 Received: from inaba.usersys.redhat.com (ovpn-204-32.brq.redhat.com [10.40.204.32]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id v1SGCk50020819 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 28 Feb 2017 11:12:56 -0500 From: Andrea Bolognani To: libvir-list@redhat.com Date: Tue, 28 Feb 2017 17:12:43 +0100 Message-Id: <1488298364-16896-12-git-send-email-abologna@redhat.com> In-Reply-To: <1488298364-16896-1-git-send-email-abologna@redhat.com> References: <1488298364-16896-1-git-send-email-abologna@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-loop: libvir-list@redhat.com Subject: [libvirt] [RFC PATCH 11/12] qemu: Use multiple PHBs for pSeries guests 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-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Additional PHBs (pci-root controllers) will be created for the guest using the spapr-pci-host-bridge QEMU device, if available; the implicit default PHB, while present in the guest configuration, will be skipped. --- src/qemu/qemu_command.c | 47 ++++++++++++++++++++++++++++++++++++++++++++-= -- 1 file changed, 44 insertions(+), 3 deletions(-) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 462a598..412a918 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -2940,6 +2940,40 @@ qemuBuildControllerDevStr(const virDomainDef *domain= Def, def->opts.pciopts.numaNode); break; case VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT: + if (def->opts.pciopts.modelName =3D=3D VIR_DOMAIN_CONTROLLER_P= CI_MODEL_NAME_NONE || + def->opts.pciopts.idx =3D=3D -1) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("autogenerated pci-root options not set")= ); + goto error; + } + + /* Skip the implicit one */ + if (def->opts.pciopts.idx =3D=3D 0) + goto done; + + modelName =3D virDomainControllerPCIModelNameTypeToString(def-= >opts.pciopts.modelName); + if (!modelName) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("unknown pci-root model name value %d"), + def->opts.pciopts.modelName); + goto error; + } + if (def->opts.pciopts.modelName !=3D VIR_DOMAIN_CONTROLLER_PCI= _MODEL_NAME_SPAPR_PCI_HOST_BRIDGE) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, + _("PCI controller model name '%s' is not va= lid for a pci-root"), + modelName); + goto error; + } + if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_= BRIDGE)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("the spapr-pci-host-bridge controller " + "is not supported in this QEMU binary")); + goto error; + } + virBufferAsprintf(&buf, "%s,index=3D%d,id=3D%s", + modelName, def->opts.pciopts.idx, + def->info.alias); + break; case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT: case VIR_DOMAIN_CONTROLLER_MODEL_PCI_LAST: virReportError(VIR_ERR_INTERNAL_ERROR, "%s", @@ -2989,6 +3023,7 @@ qemuBuildControllerDevStr(const virDomainDef *domainD= ef, if (virBufferCheckError(&buf) < 0) goto error; =20 + done: *devstr =3D virBufferContentAndReset(&buf); return 0; =20 @@ -3046,10 +3081,16 @@ qemuBuildControllerDevCommandLine(virCommandPtr cmd, continue; } =20 - /* skip pci-root/pcie-root */ + /* skip pcie-root */ if (cont->type =3D=3D VIR_DOMAIN_CONTROLLER_TYPE_PCI && - (cont->model =3D=3D VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT || - cont->model =3D=3D VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT)) + cont->model =3D=3D VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT) + continue; + + /* Skip pci-root, except for pSeries guests (which actually + * support more than one PCI Host Bridge per guest) */ + if (!qemuDomainMachineIsPSeries(def) && + cont->type =3D=3D VIR_DOMAIN_CONTROLLER_TYPE_PCI && + cont->model =3D=3D VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT) continue; =20 /* first SATA controller on Q35 machines is implicit */ --=20 2.7.4 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list