[libvirt PATCH 6/6] qemu: wire up command line support for ACPI index

This makes it possible to enable stable NIC device names in most modern Linux distos. Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com&gt; --- src/qemu/qemu_command.c | 2 + src/qemu/qemu_validate.c | 35 +++++++++++ .../devices-acpi-index.x86_64-latest.args | 57 +++++++++++++++++ tests/qemuxml2argvdata/devices-acpi-index.xml | 62 +++++++++++++++++++ tests/qemuxml2argvtest.c | 2 + 5 files changed, 158 insertions(+) create mode 100644 tests/qemuxml2argvdata/devices-acpi-index.x86_64-latest.args create mode 100644 tests/qemuxml2argvdata/devices-acpi-index.xml diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index bf60289786..a57028e42a 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -420,6 +420,8 @@ qemuBuildDeviceAddressStr(virBufferPtr buf, virBufferAsprintf(buf, ",addr=0x%x", info->addr.pci.slot); if (info->addr.pci.function != 0) virBufferAsprintf(buf, ".0x%x", info->addr.pci.function); + if (info->acpiIndex != 0) + virBufferAsprintf(buf, ",acpi-index=%u", info->acpiIndex); } break; case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_USB: diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c index 09778085a8..27afcab9aa 100644 --- a/src/qemu/qemu_validate.c +++ b/src/qemu/qemu_validate.c @@ -1069,6 +1069,32 @@ qemuValidateDomainDefPanic(const virDomainDef *def, } +static int +qemuValidateDomainDeviceInfo(virDomainDefPtr def G_GNUC_UNUSED, + virDomainDeviceDefPtr dev G_GNUC_UNUSED, + virDomainDeviceInfoPtr info, + void *opaque) +{ + virQEMUCapsPtr qemuCaps = opaque; + + if (info->acpiIndex) { + if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_ACPI_INDEX)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("ACPI index is not supported with this QEMU")); + return -1; + } + + if (info->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE && + info->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("ACPI index is only supported for PCI devices")); + return -1; + } + } + + return 0; +} + int qemuValidateDomainDef(const virDomainDef *def, void *opaque, @@ -1235,6 +1261,15 @@ qemuValidateDomainDef(const virDomainDef *def, return -1; } + /* Explicitly discarding 'const' from 'def' is ok because + * we know our callback qemuValidateDomainDeviceInfo will + * not modify it + */ + if (virDomainDeviceInfoIterate((virDomainDefPtr)def, + qemuValidateDomainDeviceInfo, + qemuCaps) < 0) + return -1; + return 0; } diff --git a/tests/qemuxml2argvdata/devices-acpi-index.x86_64-latest.args b/tests/qemuxml2argvdata/devices-acpi-index.x86_64-latest.args new file mode 100644 index 0000000000..07a8b0d189 --- /dev/null +++ b/tests/qemuxml2argvdata/devices-acpi-index.x86_64-latest.args @@ -0,0 +1,57 @@ +LC_ALL=C \ +PATH=/bin \ +HOME=/tmp/lib/domain--1-fdr-br \ +USER=test \ +LOGNAME=test \ +XDG_DATA_HOME=/tmp/lib/domain--1-fdr-br/.local/share \ +XDG_CACHE_HOME=/tmp/lib/domain--1-fdr-br/.cache \ +XDG_CONFIG_HOME=/tmp/lib/domain--1-fdr-br/.config \ +/usr/bin/qemu-system-x86_64 \ +-name guest=fdr-br,debug-threads=on \ +-S \ +-object '{"qom-type":"secret","id":"masterKey0","format":"raw",\ +"file":"/tmp/lib/domain--1-fdr-br/master-key.aes"}' \ +-machine pc-i440fx-5.0,accel=tcg,usb=off,dump-guest-core=off,\ +memory-backend=pc.ram \ +-cpu qemu64 \ +-m 2048 \ +-object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":2147483648}' \ +-overcommit mem-lock=off \ +-smp 2,sockets=2,cores=1,threads=1 \ +-uuid 3ec6cbe1-b5a2-4515-b800-31a61855df41 \ +-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 \ +-boot strict=on \ +-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \ +-blockdev '{"driver":"file","filename":"/var/lib/libvirt/images/test.img",\ +"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \ +-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw",\ +"file":"libvirt-2-storage"}' \ +-device virtio-blk-pci,bus=pci.0,addr=0x3,acpi-index=1,drive=libvirt-2-format,\ +id=virtio-disk0,bootindex=1 \ +-blockdev '{"driver":"file","filename":"/var/lib/libvirt/images/test1.img",\ +"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \ +-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\ +"file":"libvirt-1-storage"}' \ +-device virtio-blk-pci,bus=pci.0,addr=0x4,acpi-index=42,drive=libvirt-1-format,\ +id=virtio-disk1 \ +-netdev user,id=hostnet0 \ +-device virtio-net-pci,netdev=hostnet0,id=net0,mac=00:11:22:33:44:55,bus=pci.0,\ +addr=0x5,acpi-index=100 \ +-netdev user,id=hostnet1 \ +-device virtio-net-pci,netdev=hostnet1,id=net1,mac=00:11:22:33:44:55,bus=pci.0,\ +addr=0x7,acpi-index=200 \ +-netdev user,id=hostnet2 \ +-device virtio-net-pci,netdev=hostnet2,id=net2,mac=00:11:22:33:44:55,bus=pci.0,\ +addr=0x8,acpi-index=300 \ +-audiodev id=audio1,driver=none \ +-device cirrus-vga,id=video0,bus=pci.0,addr=0x2,acpi-index=1729 \ +-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6 \ +-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\ +resourcecontrol=deny \ +-msg timestamp=on diff --git a/tests/qemuxml2argvdata/devices-acpi-index.xml b/tests/qemuxml2argvdata/devices-acpi-index.xml new file mode 100644 index 0000000000..5d0176e7fe --- /dev/null +++ b/tests/qemuxml2argvdata/devices-acpi-index.xml @@ -0,0 +1,62 @@ +<domain type='qemu'> + <name>fdr-br</name> + <uuid>3ec6cbe1-b5a2-4515-b800-31a61855df41</uuid> + <memory unit='KiB'>2097152</memory> + <currentMemory unit='KiB'>2097152</currentMemory> + <vcpu placement='static' cpuset='0-1'>2</vcpu> + <os> + <type arch='x86_64' machine='pc-i440fx-5.0'>hvm</type> + <boot dev='hd'/> + </os> + <features> + <acpi/> + <apic/> + <pae/> + </features> + <clock offset='utc'/> + <on_poweroff>destroy</on_poweroff> + <on_reboot>restart</on_reboot> + <on_crash>restart</on_crash> + <devices> + <emulator>/usr/bin/qemu-system-x86_64</emulator> + <disk type='file' device='disk'> + <driver name='qemu' type='raw'/> + <source file='/var/lib/libvirt/images/test.img'/> + <target dev='vda' bus='virtio'/> + <acpi index='1'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> + </disk> + <disk type='file' device='disk'> + <driver name='qemu' type='raw'/> + <source file='/var/lib/libvirt/images/test1.img'/> + <target dev='vdb' bus='virtio'/> + <acpi index='42'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> + </disk> + <interface type='user'> + <mac address='00:11:22:33:44:55'/> + <acpi index='100'/> + <model type='virtio'/> + </interface> + <interface type='user'> + <mac address='00:11:22:33:44:55'/> + <acpi index='200'/> + <model type='virtio'/> + </interface> + <interface type='user'> + <mac address='00:11:22:33:44:55'/> + <acpi index='300'/> + <model type='virtio'/> + </interface> + <input type='mouse' bus='ps2'/> + <input type='keyboard' bus='ps2'/> + <video> + <model type='cirrus' vram='16384' heads='1'/> + <acpi index='1729'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> + </video> + <memballoon model='virtio'> + <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/> + </memballoon> + </devices> +</domain> diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c index ea98f0e6a8..83dd6a7756 100644 --- a/tests/qemuxml2argvtest.c +++ b/tests/qemuxml2argvtest.c @@ -3611,6 +3611,8 @@ mymain(void) DO_TEST_CAPS_LATEST("virtio-9p-multidevs"); DO_TEST_CAPS_LATEST("virtio-9p-createmode"); + DO_TEST_CAPS_LATEST("devices-acpi-index"); + if (getenv("LIBVIRT_SKIP_CLEANUP") == NULL) virFileDeleteTree(fakerootdir); -- 2.30.2