Re: [libvirt PATCH] qemu: support multiqueue for vdpa net device

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2024406 Signed-off-by: Jonathon Jongsma <jjongsma(a)redhat.com&gt; --- src/conf/domain_conf.c | 11 ++++++ src/qemu/qemu_domain.c | 3 +- .../net-vdpa-multiqueue.x86_64-latest.args | 36 +++++++++++++++++++ .../qemuxml2argvdata/net-vdpa-multiqueue.xml | 29 +++++++++++++++ tests/qemuxml2argvtest.c | 1 + .../net-vdpa-multiqueue.xml | 36 +++++++++++++++++++ tests/qemuxml2xmltest.c | 1 + 7 files changed, 116 insertions(+), 1 deletion(-) create mode 100644 tests/qemuxml2argvdata/net-vdpa-multiqueue.x86_64-latest.args create mode 100644 tests/qemuxml2argvdata/net-vdpa-multiqueue.xml create mode 100644 tests/qemuxml2xmloutdata/net-vdpa-multiqueue.xml diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 34fec887a3..87117a2ddb 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -10552,6 +10552,17 @@ virDomainNetDefParseXML(virDomainXMLOption *xmlopt, goto error; } def->data.vdpa.devicepath = g_steal_pointer(&dev); + + if (!def->model) + def->model = VIR_DOMAIN_NET_MODEL_VIRTIO; + + if (!virDomainNetIsVirtioModel(def)) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("Wrong <model> 'type' attribute specified " + "with <interface type='vdpa'/>. " + "vdpa requires the virtio-net* frontend")); + goto error; + }

break; case VIR_DOMAIN_NET_TYPE_BRIDGE: diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c index acc76c1cd6..6b61fefb8f 100644 --- a/src/qemu/qemu_domain.c +++ b/src/qemu/qemu_domain.c @@ -4523,7 +4523,8 @@ qemuDomainValidateActualNetDef(const virDomainNetDef *net, actualType == VIR_DOMAIN_NET_TYPE_BRIDGE || actualType == VIR_DOMAIN_NET_TYPE_DIRECT || actualType == VIR_DOMAIN_NET_TYPE_ETHERNET || - actualType == VIR_DOMAIN_NET_TYPE_VHOSTUSER)) { + actualType == VIR_DOMAIN_NET_TYPE_VHOSTUSER || + actualType == VIR_DOMAIN_NET_TYPE_VDPA)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("interface %s - multiqueue is not supported for network interfaces of type %s"), macstr, virDomainNetTypeToString(actualType));

diff --git a/tests/qemuxml2argvdata/net-vdpa-multiqueue.x86_64-latest.args b/tests/qemuxml2argvdata/net-vdpa-multiqueue.x86_64-latest.args new file mode 100644 index 0000000000..26ef666036 --- /dev/null +++ b/tests/qemuxml2argvdata/net-vdpa-multiqueue.x86_64-latest.args @@ -0,0 +1,36 @@ +LC_ALL=C \ +PATH=/bin \ +HOME=/tmp/lib/domain--1-QEMUGuest1 \ +USER=test \ +LOGNAME=test \ +XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \ +XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \ +XDG_CONFIG_HOME=/tmp/lib/domain--1-QEMUGuest1/.config \ +/usr/bin/qemu-system-x86_64 \ +-name guest=QEMUGuest1,debug-threads=on \ +-S \ +-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/tmp/lib/domain--1-QEMUGuest1/master-key.aes"}' \ +-machine pc,usb=off,dump-guest-core=off,memory-backend=pc.ram \ +-accel tcg \ +-cpu qemu64 \ +-m 214 \ +-object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":224395264}' \ +-overcommit mem-lock=off \ +-smp 1,sockets=1,cores=1,threads=1 \ +-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \ +-display none \ +-no-user-config \ +-nodefaults \ +-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \ +-mon chardev=charmonitor,id=monitor,mode=control \ +-rtc base=utc \ +-no-shutdown \ +-no-acpi \ +-boot strict=on \ +-device '{"driver":"piix3-usb-uhci","id":"usb","bus":"pci.0","addr":"0x1.0x2"}' \ +-add-fd set=0,fd=1732,opaque=net0-vdpa \ +-netdev vhost-vdpa,vhostdev=/dev/fdset/0,id=hostnet0 \ +-device '{"driver":"virtio-net-pci","mq":true,"vectors":6,"netdev":"hostnet0","id":"net0","mac":"52:54:00:95:db:c0","bus":"pci.0","addr":"0x2"}' \ +-audiodev '{"id":"audio1","driver":"none"}' \ +-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \ +-msg timestamp=on diff --git a/tests/qemuxml2argvdata/net-vdpa-multiqueue.xml b/tests/qemuxml2argvdata/net-vdpa-multiqueue.xml new file mode 100644 index 0000000000..2e38c6f976 --- /dev/null +++ b/tests/qemuxml2argvdata/net-vdpa-multiqueue.xml @@ -0,0 +1,29 @@ +<domain type='qemu'> + <name>QEMUGuest1</name> + <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid> + <memory unit='KiB'>219136</memory> + <currentMemory unit='KiB'>219136</currentMemory> + <vcpu placement='static'>1</vcpu> + <os> + <type arch='x86_64' machine='pc'>hvm</type> + <boot dev='hd'/> + </os> + <clock offset='utc'/> + <on_poweroff>destroy</on_poweroff> + <on_reboot>restart</on_reboot> + <on_crash>destroy</on_crash> + <devices> + <emulator>/usr/bin/qemu-system-x86_64</emulator> + <controller type='usb' index='0'/> + <controller type='ide' index='0'/> + <controller type='pci' index='0' model='pci-root'/> + <interface type='vdpa'> + <mac address='52:54:00:95:db:c0'/> + <source dev='/dev/vhost-vdpa-0'/> + <driver queues='2'/> + </interface> + <input type='mouse' bus='ps2'/> + <input type='keyboard' bus='ps2'/> + <memballoon model='none'/> + </devices> +</domain> diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c index ce475df466..7e1167e60e 100644 --- a/tests/qemuxml2argvtest.c +++ b/tests/qemuxml2argvtest.c @@ -1609,6 +1609,7 @@ mymain(void) DO_TEST_FAILURE("net-hostdev-fail", QEMU_CAPS_DEVICE_VFIO_PCI); DO_TEST_CAPS_LATEST("net-vdpa"); + DO_TEST_CAPS_LATEST("net-vdpa-multiqueue"); DO_TEST("hostdev-pci-multifunction", QEMU_CAPS_KVM, diff --git a/tests/qemuxml2xmloutdata/net-vdpa-multiqueue.xml b/tests/qemuxml2xmloutdata/net-vdpa-multiqueue.xml new file mode 100644 index 0000000000..0876d5df62 --- /dev/null +++ b/tests/qemuxml2xmloutdata/net-vdpa-multiqueue.xml @@ -0,0 +1,36 @@ +<domain type='qemu'> + <name>QEMUGuest1</name> + <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid> + <memory unit='KiB'>219136</memory> + <currentMemory unit='KiB'>219136</currentMemory> + <vcpu placement='static'>1</vcpu> + <os> + <type arch='x86_64' machine='pc'>hvm</type> + <boot dev='hd'/> + </os> + <clock offset='utc'/> + <on_poweroff>destroy</on_poweroff> + <on_reboot>restart</on_reboot> + <on_crash>destroy</on_crash> + <devices> + <emulator>/usr/bin/qemu-system-x86_64</emulator> + <controller type='usb' index='0'> + <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/> + </controller> + <controller type='ide' index='0'> + <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/> + </controller> + <controller type='pci' index='0' model='pci-root'/> + <interface type='vdpa'> + <mac address='52:54:00:95:db:c0'/> + <source dev='/dev/vhost-vdpa-0'/> + <model type='virtio'/> + <driver queues='2'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> + </interface> + <input type='mouse' bus='ps2'/> + <input type='keyboard' bus='ps2'/> + <audio id='1' type='none'/> + <memballoon model='none'/> + </devices> +</domain> diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c index 052950b86f..2174965784 100644 --- a/tests/qemuxml2xmltest.c +++ b/tests/qemuxml2xmltest.c @@ -485,6 +485,7 @@ mymain(void) DO_TEST_NOCAPS("net-coalesce"); DO_TEST_NOCAPS("net-many-models"); DO_TEST("net-vdpa", QEMU_CAPS_NETDEV_VHOST_VDPA); + DO_TEST("net-vdpa-multiqueue", QEMU_CAPS_NETDEV_VHOST_VDPA); DO_TEST_NOCAPS("serial-tcp-tlsx509-chardev"); DO_TEST_NOCAPS("serial-tcp-tlsx509-chardev-notls"); -- 2.35.1