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s=mimecast20190719; t=1599074719; h=from:from:sender:sender: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:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=kQZXDcA754uW5HRO4qVLDltNn9GXgZArr0RLGDGmrqw=; b=cib+xrqCdJjvSj6HQwSFsY1894Nla9VDDhD76CZi0qDGr62/z6zcSF1m5Iw6Ugg+h8jvNC 8dsW+2zMqgfBwFSM7D3Ez5usCO4s5bt3agA920PkRVK7coeQKi8dhnUCS5sYAeh+XG7UPf E8ptVk3PIAXc7Y9s2dqIgN1LaI/ynhA= X-MC-Unique: vmKzEq1AO9enYRfNnKG5hg-1 From: Jonathon Jongsma To: libvir-list@redhat.com Subject: [libvirt PATCH v2 1/3] conf: Add support for vDPA network devices Date: Wed, 2 Sep 2020 14:25:00 -0500 Message-Id: <20200902192502.640483-2-jjongsma@redhat.com> In-Reply-To: <20200902192502.640483-1-jjongsma@redhat.com> References: <20200902192502.640483-1-jjongsma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-loop: libvir-list@redhat.com Cc: laine@redhat.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 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=libvir-list-bounces@redhat.com X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" This patch adds new schema and adds support for parsing and formatting domain configurations that include vdpa devices. vDPA network devices allow high-performance networking in a virtual machine by providing a wire-speed data path. These devices require a vendor-specific host driver but the data path follows the virtio specification. When a device on the host is bound to an appropriate vendor-specific driver, it will create a chardev on the host at e.g. /dev/vhost-vdpa-0. That chardev path can then be used to define a new interface with type=3D'vdpa'. Signed-off-by: Jonathon Jongsma Reviewed-by: Laine Stump --- docs/formatdomain.rst | 23 +++++++++++++++++++ docs/schemas/domaincommon.rng | 15 ++++++++++++ src/conf/domain_conf.c | 32 ++++++++++++++++++++++++++ src/conf/domain_conf.h | 4 ++++ src/conf/netdev_bandwidth_conf.c | 1 + src/libxl/libxl_conf.c | 1 + src/libxl/xen_common.c | 1 + src/lxc/lxc_controller.c | 1 + src/lxc/lxc_driver.c | 3 +++ src/lxc/lxc_process.c | 1 + src/qemu/qemu_command.c | 3 +++ src/qemu/qemu_domain.c | 4 +++- src/qemu/qemu_hotplug.c | 3 +++ src/qemu/qemu_interface.c | 2 ++ src/qemu/qemu_process.c | 1 + src/qemu/qemu_validate.c | 1 + src/vmx/vmx.c | 1 + tests/qemuxml2argvdata/net-vdpa.xml | 28 +++++++++++++++++++++++ tests/qemuxml2xmloutdata/net-vdpa.xml | 33 +++++++++++++++++++++++++++ tests/qemuxml2xmltest.c | 1 + tools/virsh-domain.c | 1 + 21 files changed, 159 insertions(+), 1 deletion(-) create mode 100644 tests/qemuxml2argvdata/net-vdpa.xml create mode 100644 tests/qemuxml2xmloutdata/net-vdpa.xml diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst index 1979dfb8d3..18d0e28aa1 100644 --- a/docs/formatdomain.rst +++ b/docs/formatdomain.rst @@ -4637,6 +4637,29 @@ or stopping the guest. ... =20 +:anchor:`` + +vDPA devices +^^^^^^^^^^^^ + +A vDPA network device can be used to provide wire speed network performanc= e within a +domain. A vDPA device is a specialized type of network device that uses a +datapath that complies with the virtio specification but has a vendor-spec= ific +control path. To use such a device with libvirt, the host device must alre= ady +be bound to the appropriate device-specific vDPA driver. This creates a vD= PA +char device (e.g. /dev/vhost-vdpa-0) that can be used to assign the devic= e to +a libvirt domain. + +:: + + ... + + + + + + ... + :anchor:`` =20 Teaming a virtio/hostdev NIC pair diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng index a1d6d19e2f..4708e3550f 100644 --- a/docs/schemas/domaincommon.rng +++ b/docs/schemas/domaincommon.rng @@ -3111,6 +3111,21 @@ + + + + vdpa + + + + + + + + + + + diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 72ac4f4191..dbabbbe900 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -550,6 +550,7 @@ VIR_ENUM_IMPL(virDomainNet, "direct", "hostdev", "udp", + "vdpa", ); =20 VIR_ENUM_IMPL(virDomainNetModel, @@ -2502,6 +2503,10 @@ virDomainNetDefClear(virDomainNetDefPtr def) def->data.vhostuser =3D NULL; break; =20 + case VIR_DOMAIN_NET_TYPE_VDPA: + VIR_FREE(def->data.vdpa.devicepath); + break; + case VIR_DOMAIN_NET_TYPE_SERVER: case VIR_DOMAIN_NET_TYPE_CLIENT: case VIR_DOMAIN_NET_TYPE_MCAST: @@ -12036,6 +12041,7 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlop= t, g_autofree char *vhost_path =3D NULL; g_autofree char *teamingType =3D NULL; g_autofree char *teamingPersistent =3D NULL; + g_autofree char *vdpa_dev =3D NULL; const char *prefix =3D xmlopt ? xmlopt->config.netPrefix : NULL; =20 if (!(def =3D virDomainNetDefNew(xmlopt))) @@ -12129,6 +12135,10 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlo= pt, if (virDomainChrSourceReconnectDefParseXML(&reconnect, cur= , ctxt) < 0) goto error; =20 + } else if (!vdpa_dev + && def->type =3D=3D VIR_DOMAIN_NET_TYPE_VDPA + && virXMLNodeNameEqual(cur, "source")) { + vdpa_dev =3D virXMLPropString(cur, "dev"); } else if (!def->virtPortProfile && virXMLNodeNameEqual(cur, "virtualport")) { if (def->type =3D=3D VIR_DOMAIN_NET_TYPE_NETWORK) { @@ -12386,6 +12396,16 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlo= pt, } break; =20 + case VIR_DOMAIN_NET_TYPE_VDPA: + if (vdpa_dev =3D=3D NULL) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("No 'dev' attribute " + "specified with ")); + goto error; + } + def->data.vdpa.devicepath =3D g_steal_pointer(&vdpa_dev); + break; + case VIR_DOMAIN_NET_TYPE_BRIDGE: if (bridge =3D=3D NULL) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", @@ -12775,6 +12795,7 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlop= t, case VIR_DOMAIN_NET_TYPE_DIRECT: case VIR_DOMAIN_NET_TYPE_HOSTDEV: case VIR_DOMAIN_NET_TYPE_UDP: + case VIR_DOMAIN_NET_TYPE_VDPA: break; case VIR_DOMAIN_NET_TYPE_LAST: default: @@ -26881,6 +26902,14 @@ virDomainNetDefFormat(virBufferPtr buf, } break; =20 + case VIR_DOMAIN_NET_TYPE_VDPA: + if (def->data.vdpa.devicepath) { + virBufferEscapeString(buf, "data.vdpa.devicepath); + sourceLines++; + } + break; + case VIR_DOMAIN_NET_TYPE_USER: case VIR_DOMAIN_NET_TYPE_LAST: break; @@ -31094,6 +31123,7 @@ virDomainNetGetActualVirtPortProfile(const virDomai= nNetDef *iface) case VIR_DOMAIN_NET_TYPE_MCAST: case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_UDP: + case VIR_DOMAIN_NET_TYPE_VDPA: case VIR_DOMAIN_NET_TYPE_LAST: default: return NULL; @@ -31926,6 +31956,7 @@ virDomainNetTypeSharesHostView(const virDomainNetDe= f *net) case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_HOSTDEV: case VIR_DOMAIN_NET_TYPE_UDP: + case VIR_DOMAIN_NET_TYPE_VDPA: case VIR_DOMAIN_NET_TYPE_LAST: break; } @@ -32190,6 +32221,7 @@ virDomainNetDefActualToNetworkPort(virDomainDefPtr = dom, case VIR_DOMAIN_NET_TYPE_UDP: case VIR_DOMAIN_NET_TYPE_USER: case VIR_DOMAIN_NET_TYPE_VHOSTUSER: + case VIR_DOMAIN_NET_TYPE_VDPA: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Unexpected network port type %s"), virDomainNetTypeToString(virDomainNetGetActualType(= iface))); diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h index 14a376350c..1a1caad96d 100644 --- a/src/conf/domain_conf.h +++ b/src/conf/domain_conf.h @@ -875,6 +875,7 @@ typedef enum { VIR_DOMAIN_NET_TYPE_DIRECT, VIR_DOMAIN_NET_TYPE_HOSTDEV, VIR_DOMAIN_NET_TYPE_UDP, + VIR_DOMAIN_NET_TYPE_VDPA, =20 VIR_DOMAIN_NET_TYPE_LAST } virDomainNetType; @@ -1048,6 +1049,9 @@ struct _virDomainNetDef { */ virDomainActualNetDefPtr actual; } network; + struct { + char *devicepath; + } vdpa; struct { char *brname; } bridge; diff --git a/src/conf/netdev_bandwidth_conf.c b/src/conf/netdev_bandwidth_c= onf.c index 396ac62019..4eb12e2951 100644 --- a/src/conf/netdev_bandwidth_conf.c +++ b/src/conf/netdev_bandwidth_conf.c @@ -315,6 +315,7 @@ bool virNetDevSupportsBandwidth(virDomainNetType type) case VIR_DOMAIN_NET_TYPE_UDP: case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_HOSTDEV: + case VIR_DOMAIN_NET_TYPE_VDPA: case VIR_DOMAIN_NET_TYPE_LAST: break; } diff --git a/src/libxl/libxl_conf.c b/src/libxl/libxl_conf.c index befd5eb965..23f1cb213e 100644 --- a/src/libxl/libxl_conf.c +++ b/src/libxl/libxl_conf.c @@ -1378,6 +1378,7 @@ libxlMakeNic(virDomainDefPtr def, case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_DIRECT: case VIR_DOMAIN_NET_TYPE_HOSTDEV: + case VIR_DOMAIN_NET_TYPE_VDPA: case VIR_DOMAIN_NET_TYPE_LAST: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported interface type %s"), diff --git a/src/libxl/xen_common.c b/src/libxl/xen_common.c index 56702a2a76..183b09671a 100644 --- a/src/libxl/xen_common.c +++ b/src/libxl/xen_common.c @@ -1792,6 +1792,7 @@ xenFormatNet(virConnectPtr conn, case VIR_DOMAIN_NET_TYPE_HOSTDEV: case VIR_DOMAIN_NET_TYPE_UDP: case VIR_DOMAIN_NET_TYPE_USER: + case VIR_DOMAIN_NET_TYPE_VDPA: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Unsupported net type= '%s'"), virDomainNetTypeToString(net->type)); return -1; diff --git a/src/lxc/lxc_controller.c b/src/lxc/lxc_controller.c index 0a496fb788..be7cc7cb11 100644 --- a/src/lxc/lxc_controller.c +++ b/src/lxc/lxc_controller.c @@ -422,6 +422,7 @@ static int virLXCControllerGetNICIndexes(virLXCControll= erPtr ctrl) case VIR_DOMAIN_NET_TYPE_UDP: case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_HOSTDEV: + case VIR_DOMAIN_NET_TYPE_VDPA: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Unsupported net type %s"), virDomainNetTypeToString(actualType)); diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c index a530488dd2..4d3c5d9f63 100644 --- a/src/lxc/lxc_driver.c +++ b/src/lxc/lxc_driver.c @@ -3504,6 +3504,7 @@ lxcDomainAttachDeviceNetLive(virLXCDriverPtr driver, case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_HOSTDEV: case VIR_DOMAIN_NET_TYPE_UDP: + case VIR_DOMAIN_NET_TYPE_VDPA: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Network device type is not supported")); goto cleanup; @@ -3558,6 +3559,7 @@ lxcDomainAttachDeviceNetLive(virLXCDriverPtr driver, case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_HOSTDEV: case VIR_DOMAIN_NET_TYPE_UDP: + case VIR_DOMAIN_NET_TYPE_VDPA: case VIR_DOMAIN_NET_TYPE_LAST: default: /* no-op */ @@ -3999,6 +4001,7 @@ lxcDomainDetachDeviceNetLive(virDomainObjPtr vm, case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_HOSTDEV: case VIR_DOMAIN_NET_TYPE_UDP: + case VIR_DOMAIN_NET_TYPE_VDPA: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Only bridged veth devices can be detached")); goto cleanup; diff --git a/src/lxc/lxc_process.c b/src/lxc/lxc_process.c index 16969dbf33..d103ec6666 100644 --- a/src/lxc/lxc_process.c +++ b/src/lxc/lxc_process.c @@ -606,6 +606,7 @@ virLXCProcessSetupInterfaces(virLXCDriverPtr driver, case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_LAST: case VIR_DOMAIN_NET_TYPE_HOSTDEV: + case VIR_DOMAIN_NET_TYPE_VDPA: virReportError(VIR_ERR_INTERNAL_ERROR, _("Unsupported network type %s"), virDomainNetTypeToString(type)); diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index bd98b0a97c..7b7176eb72 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -3691,6 +3691,7 @@ qemuBuildHostNetStr(virDomainNetDefPtr net, return NULL; break; =20 + case VIR_DOMAIN_NET_TYPE_VDPA: case VIR_DOMAIN_NET_TYPE_HOSTDEV: /* Should have been handled earlier via PCI/USB hotplug code. */ case VIR_DOMAIN_NET_TYPE_LAST: @@ -8107,6 +8108,7 @@ qemuBuildInterfaceCommandLine(virQEMUDriverPtr driver, case VIR_DOMAIN_NET_TYPE_MCAST: case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_UDP: + case VIR_DOMAIN_NET_TYPE_VDPA: case VIR_DOMAIN_NET_TYPE_LAST: /* nada */ break; @@ -8143,6 +8145,7 @@ qemuBuildInterfaceCommandLine(virQEMUDriverPtr driver, case VIR_DOMAIN_NET_TYPE_UDP: case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_HOSTDEV: + case VIR_DOMAIN_NET_TYPE_VDPA: case VIR_DOMAIN_NET_TYPE_LAST: /* These types don't use a network device on the host, but * instead use some other type of connection to the emulated diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c index b1884b6c84..680e7d5bf8 100644 --- a/src/qemu/qemu_domain.c +++ b/src/qemu/qemu_domain.c @@ -5174,7 +5174,8 @@ qemuDomainDeviceNetDefPostParse(virDomainNetDefPtr ne= t, const virDomainDef *def, virQEMUCapsPtr qemuCaps) { - if (net->type !=3D VIR_DOMAIN_NET_TYPE_HOSTDEV && + if (net->type !=3D VIR_DOMAIN_NET_TYPE_VDPA && + net->type !=3D VIR_DOMAIN_NET_TYPE_HOSTDEV && !virDomainNetGetModelString(net) && virDomainNetResolveActualType(net) !=3D VIR_DOMAIN_NET_TYPE_HOSTDE= V) net->model =3D qemuDomainDefaultNetModel(def, qemuCaps); @@ -9308,6 +9309,7 @@ qemuDomainNetSupportsMTU(virDomainNetType type) case VIR_DOMAIN_NET_TYPE_DIRECT: case VIR_DOMAIN_NET_TYPE_HOSTDEV: case VIR_DOMAIN_NET_TYPE_UDP: + case VIR_DOMAIN_NET_TYPE_VDPA: case VIR_DOMAIN_NET_TYPE_LAST: break; } diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index e2c6e14c2e..78dd5e9f19 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -1340,6 +1340,7 @@ qemuDomainAttachNetDevice(virQEMUDriverPtr driver, case VIR_DOMAIN_NET_TYPE_MCAST: case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_UDP: + case VIR_DOMAIN_NET_TYPE_VDPA: case VIR_DOMAIN_NET_TYPE_LAST: virReportError(VIR_ERR_OPERATION_UNSUPPORTED, _("hotplug of interface type of %s is not implement= ed yet"), @@ -3389,6 +3390,7 @@ qemuDomainChangeNetFilter(virDomainObjPtr vm, case VIR_DOMAIN_NET_TYPE_DIRECT: case VIR_DOMAIN_NET_TYPE_HOSTDEV: case VIR_DOMAIN_NET_TYPE_UDP: + case VIR_DOMAIN_NET_TYPE_VDPA: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("filters not supported on interfaces of type %s"), virDomainNetTypeToString(virDomainNetGetActualType(= newdev))); @@ -3726,6 +3728,7 @@ qemuDomainChangeNet(virQEMUDriverPtr driver, =20 case VIR_DOMAIN_NET_TYPE_VHOSTUSER: case VIR_DOMAIN_NET_TYPE_HOSTDEV: + case VIR_DOMAIN_NET_TYPE_VDPA: virReportError(VIR_ERR_OPERATION_UNSUPPORTED, _("unable to change config on '%s' network type= "), virDomainNetTypeToString(newdev->type)); diff --git a/src/qemu/qemu_interface.c b/src/qemu/qemu_interface.c index 10a87a2528..33157dbbed 100644 --- a/src/qemu/qemu_interface.c +++ b/src/qemu/qemu_interface.c @@ -118,6 +118,7 @@ qemuInterfaceStartDevice(virDomainNetDefPtr net) case VIR_DOMAIN_NET_TYPE_UDP: case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_HOSTDEV: + case VIR_DOMAIN_NET_TYPE_VDPA: case VIR_DOMAIN_NET_TYPE_LAST: /* these types all require no action */ break; @@ -203,6 +204,7 @@ qemuInterfaceStopDevice(virDomainNetDefPtr net) case VIR_DOMAIN_NET_TYPE_UDP: case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_HOSTDEV: + case VIR_DOMAIN_NET_TYPE_VDPA: case VIR_DOMAIN_NET_TYPE_LAST: /* these types all require no action */ break; diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index cfe09d6326..e56e3bf449 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -7531,6 +7531,7 @@ void qemuProcessStop(virQEMUDriverPtr driver, case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_HOSTDEV: case VIR_DOMAIN_NET_TYPE_UDP: + case VIR_DOMAIN_NET_TYPE_VDPA: case VIR_DOMAIN_NET_TYPE_LAST: /* No special cleanup procedure for these types. */ break; diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c index 070f1c962b..25f7866e5c 100644 --- a/src/qemu/qemu_validate.c +++ b/src/qemu/qemu_validate.c @@ -1145,6 +1145,7 @@ qemuValidateNetSupportsCoalesce(virDomainNetType type) case VIR_DOMAIN_NET_TYPE_MCAST: case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_UDP: + case VIR_DOMAIN_NET_TYPE_VDPA: case VIR_DOMAIN_NET_TYPE_LAST: break; } diff --git a/src/vmx/vmx.c b/src/vmx/vmx.c index 4b1b04c6e1..6e0fd61f60 100644 --- a/src/vmx/vmx.c +++ b/src/vmx/vmx.c @@ -3833,6 +3833,7 @@ virVMXFormatEthernet(virDomainNetDefPtr def, int cont= roller, case VIR_DOMAIN_NET_TYPE_DIRECT: case VIR_DOMAIN_NET_TYPE_HOSTDEV: case VIR_DOMAIN_NET_TYPE_UDP: + case VIR_DOMAIN_NET_TYPE_VDPA: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Unsupported net type= '%s'"), virDomainNetTypeToString(def->type)); return -1; diff --git a/tests/qemuxml2argvdata/net-vdpa.xml b/tests/qemuxml2argvdata/n= et-vdpa.xml new file mode 100644 index 0000000000..30cca7eb6e --- /dev/null +++ b/tests/qemuxml2argvdata/net-vdpa.xml @@ -0,0 +1,28 @@ + + QEMUGuest1 + c7a5fdbd-edaf-9455-926a-d65c16db1809 + 219136 + 219136 + 1 + + hvm + + + + destroy + restart + destroy + + /usr/bin/qemu-system-i386 + + + + + + + + + + + + diff --git a/tests/qemuxml2xmloutdata/net-vdpa.xml b/tests/qemuxml2xmloutda= ta/net-vdpa.xml new file mode 100644 index 0000000000..bb2782e848 --- /dev/null +++ b/tests/qemuxml2xmloutdata/net-vdpa.xml @@ -0,0 +1,33 @@ + + QEMUGuest1 + c7a5fdbd-edaf-9455-926a-d65c16db1809 + 219136 + 219136 + 1 + + hvm + + + + destroy + restart + destroy + + /usr/bin/qemu-system-i386 + +
+ + +
+ + + + + +
+ + + + + + diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c index 6eb008c8d2..a2601d045e 100644 --- a/tests/qemuxml2xmltest.c +++ b/tests/qemuxml2xmltest.c @@ -497,6 +497,7 @@ mymain(void) DO_TEST("net-mtu", NONE); DO_TEST("net-coalesce", NONE); DO_TEST("net-many-models", NONE); + DO_TEST("net-vdpa", NONE); =20 DO_TEST("serial-tcp-tlsx509-chardev", NONE); DO_TEST("serial-tcp-tlsx509-chardev-notls", NONE); diff --git a/tools/virsh-domain.c b/tools/virsh-domain.c index 36581d2c31..7949acff09 100644 --- a/tools/virsh-domain.c +++ b/tools/virsh-domain.c @@ -1006,6 +1006,7 @@ cmdAttachInterface(vshControl *ctl, const vshCmd *cmd) case VIR_DOMAIN_NET_TYPE_CLIENT: case VIR_DOMAIN_NET_TYPE_MCAST: case VIR_DOMAIN_NET_TYPE_UDP: + case VIR_DOMAIN_NET_TYPE_VDPA: case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_LAST: vshError(ctl, _("No support for %s in command 'attach-interface'"), --=20 2.26.2 From nobody Mon May 6 21:01:49 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of redhat.com designates 205.139.110.120 as permitted sender) client-ip=205.139.110.120; 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Wed, 2 Sep 2020 19:25:22 +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 6490E79DBC; Wed, 2 Sep 2020 19:25:22 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 082JP4jw027414 for ; Wed, 2 Sep 2020 15:25:04 -0400 Received: by smtp.corp.redhat.com (Postfix) id 1942E7DA4A; Wed, 2 Sep 2020 19:25:04 +0000 (UTC) Received: from himantopus.redhat.com (ovpn-112-89.phx2.redhat.com [10.3.112.89]) by smtp.corp.redhat.com (Postfix) with ESMTPS id CAB307C5C6; Wed, 2 Sep 2020 19:25:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1599074763; h=from:from:sender:sender: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:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=WAj8/KSTTCdX5922MMRXGROVbDRkpabjAFMKDdmzudU=; b=fyH5robmMA/xlWEJAmJTeYtFVHtOXuGQXeGIUdH7wnV4qHa6950am6nQJjNn/rj+JbZZm6 ItHRobVbRY8U0o9L4G92Zen3fYj94ex9uTm+3eo7FjxCBZr+aVA/Qeqq3bcrt3IVMZM94s fJuQvtu3BbF9V5m4m1fR1DcLlxB7NXA= X-MC-Unique: hbF1OHNpMci57uvESJR5sw-1 From: Jonathon Jongsma To: libvir-list@redhat.com Subject: [libvirt PATCH v2 2/3] qemu: add vhost-vdpa capability Date: Wed, 2 Sep 2020 14:25:01 -0500 Message-Id: <20200902192502.640483-3-jjongsma@redhat.com> In-Reply-To: <20200902192502.640483-1-jjongsma@redhat.com> References: <20200902192502.640483-1-jjongsma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-loop: libvir-list@redhat.com Cc: laine@redhat.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 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=libvir-list-bounces@redhat.com X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" Recent versions of qemu added the -netdev vhost-vdpa device. This capability allows libvirt to know whether this is supported. Signed-off-by: Jonathon Jongsma Reviewed-by: Laine Stump --- src/qemu/qemu_capabilities.c | 4 ++++ src/qemu/qemu_capabilities.h | 3 +++ tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml | 1 + 3 files changed, 8 insertions(+) diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index 2cc0c61588..b19928f68d 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -597,6 +597,9 @@ VIR_ENUM_IMPL(virQEMUCaps, "spapr-tpm-proxy", "numa.hmat", "blockdev-hostdev-scsi", + + /* 380 */ + "netdev.vhost-vdpa", ); =20 =20 @@ -1526,6 +1529,7 @@ static struct virQEMUCapsStringFlags virQEMUCapsQMPSc= hemaQueries[] =3D { { "migrate-set-parameters/arg-type/downtime-limit", QEMU_CAPS_MIGRATIO= N_PARAM_DOWNTIME }, { "migrate-set-parameters/arg-type/xbzrle-cache-size", QEMU_CAPS_MIGRA= TION_PARAM_XBZRLE_CACHE_SIZE }, { "set-numa-node/arg-type/+hmat-lb", QEMU_CAPS_NUMA_HMAT }, + { "netdev_add/arg-type/+vhost-vdpa", QEMU_CAPS_NETDEV_VHOST_VDPA }, }; =20 typedef struct _virQEMUCapsObjectTypeProps virQEMUCapsObjectTypeProps; diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h index 5d08941538..b6110f1c34 100644 --- a/src/qemu/qemu_capabilities.h +++ b/src/qemu/qemu_capabilities.h @@ -578,6 +578,9 @@ typedef enum { /* virQEMUCapsFlags grouping marker for = syntax-check */ QEMU_CAPS_NUMA_HMAT, /* -numa hmat */ QEMU_CAPS_BLOCKDEV_HOSTDEV_SCSI, /* -blockdev used for (i)SCSI hostdev= s */ =20 + /* 380 */ + QEMU_CAPS_NETDEV_VHOST_VDPA, /* -netdev vhost-vdpa*/ + QEMU_CAPS_LAST /* this must always be the last item */ } virQEMUCapsFlags; =20 diff --git a/tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml b/tests/qemuc= apabilitiesdata/caps_5.1.0.x86_64.xml index 7496ff1379..0fd2f3b816 100644 --- a/tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml +++ b/tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml @@ -242,6 +242,7 @@ + 5001000 0 43100242 --=20 2.26.2 From nobody Mon May 6 21:01:49 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of redhat.com designates 216.205.24.124 as permitted sender) client-ip=216.205.24.124; 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Wed, 2 Sep 2020 19:25:10 +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 50E84183D021; Wed, 2 Sep 2020 19:25:09 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 082JP4w3027420 for ; Wed, 2 Sep 2020 15:25:04 -0400 Received: by smtp.corp.redhat.com (Postfix) id 7B8FE7DA4A; Wed, 2 Sep 2020 19:25:04 +0000 (UTC) Received: from himantopus.redhat.com (ovpn-112-89.phx2.redhat.com [10.3.112.89]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 38D147C5C6; Wed, 2 Sep 2020 19:25:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1599074719; h=from:from:sender:sender: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:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=JJ+cFkl7+qHzawmRHYYbZARxMckbqRlh/ZOZL/3AGIo=; b=R9oLgpyjlihP35uQjnK+7MFkO3BDynjoFIwKM/FQsFzp7TgvKeVvDxlVgUla1sVv0Cnev+ vccISCx/rpYyJfft8tRS4r0HanFmi0hddby4U5iS4viBDbqN623O8GPQDyfZPWiqra2bRw 6BkuELu/EZCRHzb9lBw7THcC0P+7Gzs= X-MC-Unique: HSNFd87hPo6EQ3V5f53nAw-1 From: Jonathon Jongsma To: libvir-list@redhat.com Subject: [libvirt PATCH v2 3/3] qemu: add vdpa support Date: Wed, 2 Sep 2020 14:25:02 -0500 Message-Id: <20200902192502.640483-4-jjongsma@redhat.com> In-Reply-To: <20200902192502.640483-1-jjongsma@redhat.com> References: <20200902192502.640483-1-jjongsma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-loop: libvir-list@redhat.com Cc: laine@redhat.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 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=libvir-list-bounces@redhat.com X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" Enable for qemu domains. This provides basic support and does not support hotplug or migration. Signed-off-by: Jonathon Jongsma --- src/qemu/qemu_command.c | 28 ++++++++++++-- src/qemu/qemu_command.h | 3 +- src/qemu/qemu_domain.c | 6 +++ src/qemu/qemu_hotplug.c | 12 +++--- src/qemu/qemu_interface.c | 23 ++++++++++++ src/qemu/qemu_interface.h | 2 + src/qemu/qemu_migration.c | 10 ++++- .../net-vdpa.x86_64-latest.args | 37 +++++++++++++++++++ tests/qemuxml2argvmock.c | 11 +++++- tests/qemuxml2argvtest.c | 1 + 10 files changed, 122 insertions(+), 11 deletions(-) create mode 100644 tests/qemuxml2argvdata/net-vdpa.x86_64-latest.args diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 7b7176eb72..b9830292ee 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -3553,7 +3553,8 @@ qemuBuildHostNetStr(virDomainNetDefPtr net, size_t tapfdSize, char **vhostfd, size_t vhostfdSize, - const char *slirpfd) + const char *slirpfd, + const char *vdpadev) { bool is_tap =3D false; virDomainNetType netType =3D virDomainNetGetActualType(net); @@ -3692,6 +3693,12 @@ qemuBuildHostNetStr(virDomainNetDefPtr net, break; =20 case VIR_DOMAIN_NET_TYPE_VDPA: + /* Caller will pass the fd to qemu with add-fd */ + if (virJSONValueObjectCreate(&netprops, "s:type", "vhost-vdpa", NU= LL) < 0 || + virJSONValueObjectAppendString(netprops, "vhostdev", vdpadev) = < 0) + return NULL; + break; + case VIR_DOMAIN_NET_TYPE_HOSTDEV: /* Should have been handled earlier via PCI/USB hotplug code. */ case VIR_DOMAIN_NET_TYPE_LAST: @@ -8017,6 +8024,8 @@ qemuBuildInterfaceCommandLine(virQEMUDriverPtr driver, char **tapfdName =3D NULL; char **vhostfdName =3D NULL; g_autofree char *slirpfdName =3D NULL; + g_autofree char *vdpafdName =3D NULL; + int vdpafd =3D -1; virDomainNetType actualType =3D virDomainNetGetActualType(net); const virNetDevBandwidth *actualBandwidth; bool requireNicdev =3D false; @@ -8102,13 +8111,17 @@ qemuBuildInterfaceCommandLine(virQEMUDriverPtr driv= er, =20 break; =20 + case VIR_DOMAIN_NET_TYPE_VDPA: + if ((vdpafd =3D qemuInterfaceVDPAConnect(net)) < 0) + goto cleanup; + break; + case VIR_DOMAIN_NET_TYPE_USER: case VIR_DOMAIN_NET_TYPE_SERVER: case VIR_DOMAIN_NET_TYPE_CLIENT: case VIR_DOMAIN_NET_TYPE_MCAST: case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_UDP: - case VIR_DOMAIN_NET_TYPE_VDPA: case VIR_DOMAIN_NET_TYPE_LAST: /* nada */ break; @@ -8225,13 +8238,22 @@ qemuBuildInterfaceCommandLine(virQEMUDriverPtr driv= er, vhostfd[i] =3D -1; } =20 + if (vdpafd > 0) { + virCommandPassFD(cmd, vdpafd, VIR_COMMAND_PASS_FD_CLOSE_PARENT); + g_autofree char *fdset =3D qemuVirCommandGetFDSet(cmd, vdpafd); + if (!fdset) + goto cleanup; + virCommandAddArgList(cmd, "-add-fd", fdset, NULL); + vdpafdName =3D qemuVirCommandGetDevSet(cmd, vdpafd); + } + if (chardev) virCommandAddArgList(cmd, "-chardev", chardev, NULL); =20 if (!(hostnetprops =3D qemuBuildHostNetStr(net, tapfdName, tapfdSize, vhostfdName, vhostfdSize, - slirpfdName))) + slirpfdName, vdpafdName))) goto cleanup; =20 if (!(host =3D virQEMUBuildNetdevCommandlineFromJSON(hostnetprops, diff --git a/src/qemu/qemu_command.h b/src/qemu/qemu_command.h index 89d99b111f..8db51f93b1 100644 --- a/src/qemu/qemu_command.h +++ b/src/qemu/qemu_command.h @@ -99,7 +99,8 @@ virJSONValuePtr qemuBuildHostNetStr(virDomainNetDefPtr ne= t, size_t tapfdSize, char **vhostfd, size_t vhostfdSize, - const char *slirpfd); + const char *slirpfd, + const char *vdpadev); =20 /* Current, best practice */ char *qemuBuildNicDevStr(virDomainDefPtr def, diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c index 680e7d5bf8..b94a181043 100644 --- a/src/qemu/qemu_domain.c +++ b/src/qemu/qemu_domain.c @@ -4488,6 +4488,12 @@ qemuDomainValidateActualNetDef(const virDomainNetDef= *net, macstr, virDomainNetTypeToString(actualType)); return -1; } + if (actualType =3D=3D VIR_DOMAIN_NET_TYPE_VDPA && + !virQEMUCapsGet(qemuCaps, QEMU_CAPS_NETDEV_VHOST_VDPA)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("vDPA device is not supported with this QEMU bina= ry")); + return -1; + } return 0; } =20 diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index 78dd5e9f19..45c07a7f4e 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -1389,7 +1389,7 @@ qemuDomainAttachNetDevice(virQEMUDriverPtr driver, if (!(netprops =3D qemuBuildHostNetStr(net, tapfdName, tapfdSize, vhostfdName, vhostfdSize, - slirpfdName))) + slirpfdName, NULL))) goto cleanup; =20 qemuDomainObjEnterMonitor(driver, vm); @@ -3484,8 +3484,9 @@ qemuDomainChangeNet(virQEMUDriverPtr driver, olddev =3D *devslot; =20 oldType =3D virDomainNetGetActualType(olddev); - if (oldType =3D=3D VIR_DOMAIN_NET_TYPE_HOSTDEV) { - /* no changes are possible to a type=3D'hostdev' interface */ + if (oldType =3D=3D VIR_DOMAIN_NET_TYPE_HOSTDEV || + oldType =3D=3D VIR_DOMAIN_NET_TYPE_VDPA) { + /* no changes are possible to a type=3D'hostdev' or type=3D'vdpa' = interface */ virReportError(VIR_ERR_OPERATION_UNSUPPORTED, _("cannot change config of '%s' network type"), virDomainNetTypeToString(oldType)); @@ -3672,8 +3673,9 @@ qemuDomainChangeNet(virQEMUDriverPtr driver, =20 newType =3D virDomainNetGetActualType(newdev); =20 - if (newType =3D=3D VIR_DOMAIN_NET_TYPE_HOSTDEV) { - /* can't turn it into a type=3D'hostdev' interface */ + if (newType =3D=3D VIR_DOMAIN_NET_TYPE_HOSTDEV || + newType =3D=3D VIR_DOMAIN_NET_TYPE_VDPA) { + /* can't turn it into a type=3D'hostdev' or type=3D'vdpa' interfac= e */ virReportError(VIR_ERR_OPERATION_UNSUPPORTED, _("cannot change network interface type to '%s'"), virDomainNetTypeToString(newType)); diff --git a/src/qemu/qemu_interface.c b/src/qemu/qemu_interface.c index 33157dbbed..a91563dd72 100644 --- a/src/qemu/qemu_interface.c +++ b/src/qemu/qemu_interface.c @@ -641,6 +641,29 @@ qemuInterfaceBridgeConnect(virDomainDefPtr def, } =20 =20 +/* qemuInterfaceVDPAConnect: + * @net: pointer to the VM's interface description + * + * returns: file descriptor of the vdpa device + * + * Called *only* called if actualType is VIR_DOMAIN_NET_TYPE_VDPA + */ +int +qemuInterfaceVDPAConnect(virDomainNetDefPtr net) +{ + int fd; + + if ((fd =3D open(net->data.vdpa.devicepath, O_RDWR)) < 0) { + virReportSystemError(errno, + _("Unable to open '%s' for vdpa device"), + net->data.vdpa.devicepath); + return -1; + } + + return fd; +} + + qemuSlirpPtr qemuInterfacePrepareSlirp(virQEMUDriverPtr driver, virDomainNetDefPtr net) diff --git a/src/qemu/qemu_interface.h b/src/qemu/qemu_interface.h index 3dcefc6a12..1ba24f0a6f 100644 --- a/src/qemu/qemu_interface.h +++ b/src/qemu/qemu_interface.h @@ -58,3 +58,5 @@ int qemuInterfaceOpenVhostNet(virDomainDefPtr def, =20 qemuSlirpPtr qemuInterfacePrepareSlirp(virQEMUDriverPtr driver, virDomainNetDefPtr net); + +int qemuInterfaceVDPAConnect(virDomainNetDefPtr net) G_GNUC_NO_INLINE; diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c index 142faa2cf9..238abadd6a 100644 --- a/src/qemu/qemu_migration.c +++ b/src/qemu/qemu_migration.c @@ -1281,7 +1281,15 @@ qemuMigrationSrcIsAllowed(virQEMUDriverPtr driver, =20 for (i =3D 0; i < vm->def->nnets; i++) { virDomainNetDefPtr net =3D vm->def->nets[i]; - qemuSlirpPtr slirp =3D QEMU_DOMAIN_NETWORK_PRIVATE(net)->slirp; + qemuSlirpPtr slirp; + + if (net->type =3D=3D VIR_DOMAIN_NET_TYPE_VDPA) { + virReportError(VIR_ERR_OPERATION_INVALID, "%s", + _("a vDPA device cannot be migrated")); + return false; + } + + slirp =3D QEMU_DOMAIN_NETWORK_PRIVATE(net)->slirp; =20 if (slirp && !qemuSlirpHasFeature(slirp, QEMU_SLIRP_FEATURE_MI= GRATE)) { virReportError(VIR_ERR_OPERATION_INVALID, "%s", diff --git a/tests/qemuxml2argvdata/net-vdpa.x86_64-latest.args b/tests/qem= uxml2argvdata/net-vdpa.x86_64-latest.args new file mode 100644 index 0000000000..8e76ac7794 --- /dev/null +++ b/tests/qemuxml2argvdata/net-vdpa.x86_64-latest.args @@ -0,0 +1,37 @@ +LC_ALL=3DC \ +PATH=3D/bin \ +HOME=3D/tmp/lib/domain--1-QEMUGuest1 \ +USER=3Dtest \ +LOGNAME=3Dtest \ +XDG_DATA_HOME=3D/tmp/lib/domain--1-QEMUGuest1/.local/share \ +XDG_CACHE_HOME=3D/tmp/lib/domain--1-QEMUGuest1/.cache \ +XDG_CONFIG_HOME=3D/tmp/lib/domain--1-QEMUGuest1/.config \ +QEMU_AUDIO_DRV=3Dnone \ +/usr/bin/qemu-system-i386 \ +-name guest=3DQEMUGuest1,debug-threads=3Don \ +-S \ +-object secret,id=3DmasterKey0,format=3Draw,\ +file=3D/tmp/lib/domain--1-QEMUGuest1/master-key.aes \ +-machine pc,accel=3Dtcg,usb=3Doff,dump-guest-core=3Doff \ +-cpu qemu64 \ +-m 214 \ +-overcommit mem-lock=3Doff \ +-smp 1,sockets=3D1,cores=3D1,threads=3D1 \ +-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \ +-display none \ +-no-user-config \ +-nodefaults \ +-chardev socket,id=3Dcharmonitor,fd=3D1729,server,nowait \ +-mon chardev=3Dcharmonitor,id=3Dmonitor,mode=3Dcontrol \ +-rtc base=3Dutc \ +-no-shutdown \ +-no-acpi \ +-boot strict=3Don \ +-device piix3-usb-uhci,id=3Dusb,bus=3Dpci.0,addr=3D0x1.0x2 \ +-add-fd set=3D0,fd=3D1732 \ +-netdev vhost-vdpa,vhostdev=3D/dev/fdset/0,id=3Dhostnet0 \ +-device virtio-net-pci,netdev=3Dhostnet0,id=3Dnet0,mac=3D52:54:00:95:db:c0= ,bus=3Dpci.0,\ +addr=3D0x2 \ +-sandbox on,obsolete=3Ddeny,elevateprivileges=3Ddeny,spawn=3Ddeny,\ +resourcecontrol=3Ddeny \ +-msg timestamp=3Don diff --git a/tests/qemuxml2argvmock.c b/tests/qemuxml2argvmock.c index e5841bc8e3..516776697f 100644 --- a/tests/qemuxml2argvmock.c +++ b/tests/qemuxml2argvmock.c @@ -205,7 +205,7 @@ virHostGetDRMRenderNode(void) =20 static void (*real_virCommandPassFD)(virCommandPtr cmd, int fd, unsigned i= nt flags); =20 -static const int testCommandPassSafeFDs[] =3D { 1730, 1731 }; +static const int testCommandPassSafeFDs[] =3D { 1730, 1731, 1732 }; =20 void virCommandPassFD(virCommandPtr cmd, @@ -283,3 +283,12 @@ qemuBuildTPMOpenBackendFDs(const char *tpmdev G_GNUC_U= NUSED, *cancelfd =3D 1731; return 0; } + + +int +qemuInterfaceVDPAConnect(virDomainNetDefPtr net G_GNUC_UNUSED) +{ + if (fcntl(1732, F_GETFD) !=3D -1) + abort(); + return 1732; +} diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c index e93948e3fc..000d6919f2 100644 --- a/tests/qemuxml2argvtest.c +++ b/tests/qemuxml2argvtest.c @@ -1446,6 +1446,7 @@ mymain(void) QEMU_CAPS_DEVICE_VFIO_PCI); DO_TEST_FAILURE("net-hostdev-fail", QEMU_CAPS_DEVICE_VFIO_PCI); + DO_TEST_CAPS_LATEST("net-vdpa"); =20 DO_TEST("hostdev-pci-multifunction", QEMU_CAPS_KVM, --=20 2.26.2