[libvirt] [PATCH v4 6/6] qemu: Add support for hot/cold-(un)plug of shmem devices

This is needed in order to migrate a domain with shmem devices as that is not allowed to migrate. Signed-off-by: Martin Kletzander <mkletzan(a)redhat.com&gt; --- src/qemu/qemu_driver.c | 39 +++- src/qemu/qemu_hotplug.c | 248 ++++++++++++++++++++- src/qemu/qemu_hotplug.h | 6 + tests/qemuhotplugtest.c | 21 ++ .../qemuhotplug-ivshmem-doorbell-detach.xml | 7 + .../qemuhotplug-ivshmem-doorbell.xml | 4 + .../qemuhotplug-ivshmem-plain-detach.xml | 6 + .../qemuhotplug-ivshmem-plain.xml | 3 + ...muhotplug-base-live+ivshmem-doorbell-detach.xml | 1 + .../qemuhotplug-base-live+ivshmem-doorbell.xml | 65 ++++++ .../qemuhotplug-base-live+ivshmem-plain-detach.xml | 1 + .../qemuhotplug-base-live+ivshmem-plain.xml | 58 +++++ 12 files changed, 454 insertions(+), 5 deletions(-) create mode 100644 tests/qemuhotplugtestdevices/qemuhotplug-ivshmem-doorbell-detach.xml create mode 100644 tests/qemuhotplugtestdevices/qemuhotplug-ivshmem-doorbell.xml create mode 100644 tests/qemuhotplugtestdevices/qemuhotplug-ivshmem-plain-detach.xml create mode 100644 tests/qemuhotplugtestdevices/qemuhotplug-ivshmem-plain.xml create mode 120000 tests/qemuhotplugtestdomains/qemuhotplug-base-live+ivshmem-doorbell-detach.xml create mode 100644 tests/qemuhotplugtestdomains/qemuhotplug-base-live+ivshmem-doorbell.xml create mode 120000 tests/qemuhotplugtestdomains/qemuhotplug-base-live+ivshmem-plain-detach.xml create mode 100644 tests/qemuhotplugtestdomains/qemuhotplug-base-live+ivshmem-plain.xml diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index bacabd2d348f..c164c390eccf 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -7601,6 +7601,15 @@ qemuDomainAttachDeviceLive(virDomainObjPtr vm, dev->data.memory = NULL; break; + case VIR_DOMAIN_DEVICE_SHMEM: + ret = qemuDomainAttachShmemDevice(driver, vm, + dev->data.shmem); + if (!ret) { + alias = dev->data.shmem->info.alias; + dev->data.shmem = NULL; + } + break; + case VIR_DOMAIN_DEVICE_NONE: case VIR_DOMAIN_DEVICE_FS: case VIR_DOMAIN_DEVICE_INPUT: @@ -7612,7 +7621,6 @@ qemuDomainAttachDeviceLive(virDomainObjPtr vm, case VIR_DOMAIN_DEVICE_SMARTCARD: case VIR_DOMAIN_DEVICE_MEMBALLOON: case VIR_DOMAIN_DEVICE_NVRAM: - case VIR_DOMAIN_DEVICE_SHMEM: case VIR_DOMAIN_DEVICE_TPM: case VIR_DOMAIN_DEVICE_PANIC: case VIR_DOMAIN_DEVICE_IOMMU: @@ -7690,6 +7698,9 @@ qemuDomainDetachDeviceLive(virDomainObjPtr vm, case VIR_DOMAIN_DEVICE_MEMORY: ret = qemuDomainDetachMemoryDevice(driver, vm, dev->data.memory); break; + case VIR_DOMAIN_DEVICE_SHMEM: + ret = qemuDomainDetachShmemDevice(driver, vm, dev->data.shmem); + break; case VIR_DOMAIN_DEVICE_FS: case VIR_DOMAIN_DEVICE_INPUT: @@ -7701,7 +7712,6 @@ qemuDomainDetachDeviceLive(virDomainObjPtr vm, case VIR_DOMAIN_DEVICE_SMARTCARD: case VIR_DOMAIN_DEVICE_MEMBALLOON: case VIR_DOMAIN_DEVICE_NVRAM: - case VIR_DOMAIN_DEVICE_SHMEM: case VIR_DOMAIN_DEVICE_REDIRDEV: case VIR_DOMAIN_DEVICE_NONE: case VIR_DOMAIN_DEVICE_TPM: @@ -7848,6 +7858,7 @@ qemuDomainAttachDeviceConfig(virDomainDefPtr vmdef, virDomainControllerDefPtr controller; virDomainFSDefPtr fs; virDomainRedirdevDefPtr redirdev; + virDomainShmemDefPtr shmem; switch ((virDomainDeviceType) dev->type) { case VIR_DOMAIN_DEVICE_DISK: @@ -7972,6 +7983,18 @@ qemuDomainAttachDeviceConfig(virDomainDefPtr vmdef, dev->data.redirdev = NULL; break; + case VIR_DOMAIN_DEVICE_SHMEM: + shmem = dev->data.shmem; + if (virDomainShmemDefFind(vmdef, shmem) >= 0) { + virReportError(VIR_ERR_OPERATION_INVALID, "%s", + _("device is already in the domain configuration")); + return -1; + } + if (virDomainShmemDefInsert(vmdef, shmem) < 0) + return -1; + dev->data.shmem = NULL; + break; + case VIR_DOMAIN_DEVICE_INPUT: case VIR_DOMAIN_DEVICE_SOUND: case VIR_DOMAIN_DEVICE_VIDEO: @@ -7981,7 +8004,6 @@ qemuDomainAttachDeviceConfig(virDomainDefPtr vmdef, case VIR_DOMAIN_DEVICE_SMARTCARD: case VIR_DOMAIN_DEVICE_MEMBALLOON: case VIR_DOMAIN_DEVICE_NVRAM: - case VIR_DOMAIN_DEVICE_SHMEM: case VIR_DOMAIN_DEVICE_NONE: case VIR_DOMAIN_DEVICE_TPM: case VIR_DOMAIN_DEVICE_PANIC: @@ -8128,6 +8150,16 @@ qemuDomainDetachDeviceConfig(virDomainDefPtr vmdef, virDomainRedirdevDefFree(virDomainRedirdevDefRemove(vmdef, idx)); break; + case VIR_DOMAIN_DEVICE_SHMEM: + if ((idx = virDomainShmemDefFind(vmdef, dev->data.shmem)) < 0) { + virReportError(VIR_ERR_OPERATION_FAILED, "%s", + _("matching shmem device was not found")); + return -1; + } + + virDomainShmemDefFree(virDomainShmemDefRemove(vmdef, idx)); + break; + case VIR_DOMAIN_DEVICE_INPUT: case VIR_DOMAIN_DEVICE_SOUND: @@ -8138,7 +8170,6 @@ qemuDomainDetachDeviceConfig(virDomainDefPtr vmdef, case VIR_DOMAIN_DEVICE_SMARTCARD: case VIR_DOMAIN_DEVICE_MEMBALLOON: case VIR_DOMAIN_DEVICE_NVRAM: - case VIR_DOMAIN_DEVICE_SHMEM: case VIR_DOMAIN_DEVICE_NONE: case VIR_DOMAIN_DEVICE_TPM: case VIR_DOMAIN_DEVICE_PANIC: diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index 7a21dc67f533..10236a0bccd9 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -2375,6 +2375,131 @@ qemuDomainAttachHostDevice(virConnectPtr conn, return -1; } + +int +qemuDomainAttachShmemDevice(virQEMUDriverPtr driver, + virDomainObjPtr vm, + virDomainShmemDefPtr shmem) +{ + int ret = -1; + char *shmstr = NULL; + char *charAlias = NULL; + char *memAlias = NULL; + bool release_backing = false; + bool release_address = true; + virErrorPtr orig_err = NULL; + virJSONValuePtr props = NULL; + qemuDomainObjPrivatePtr priv = vm->privateData; + + switch ((virDomainShmemModel)shmem->model) { + case VIR_DOMAIN_SHMEM_MODEL_IVSHMEM_PLAIN: + case VIR_DOMAIN_SHMEM_MODEL_IVSHMEM_DOORBELL: + break; + + case VIR_DOMAIN_SHMEM_MODEL_IVSHMEM: + virReportError(VIR_ERR_OPERATION_UNSUPPORTED, + _("live attach of shmem model '%s' is not supported"), + virDomainShmemModelTypeToString(shmem->model)); + /* fall-through */ + case VIR_DOMAIN_SHMEM_MODEL_LAST: + return -1; + } + + if (qemuAssignDeviceShmemAlias(vm->def, shmem, -1) < 0) + return -1; + + if (qemuDomainPrepareShmemChardev(shmem) < 0) + return -1; + + if (VIR_REALLOC_N(vm->def->shmems, vm->def->nshmems + 1) < 0) + return -1; + + if ((shmem->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE || + shmem->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) && + (virDomainPCIAddressEnsureAddr(priv->pciaddrs, &shmem->info) < 0)) + return -1; + + if (!(shmstr = qemuBuildShmemDevStr(vm->def, shmem, priv->qemuCaps))) + goto cleanup; + + if (shmem->server.enabled) { + if (virAsprintf(&charAlias, "char%s", shmem->info.alias) < 0) + goto cleanup; + } else { + if (!(props = qemuBuildShmemBackendMemProps(shmem))) + goto cleanup; + + if (virAsprintf(&memAlias, "shmmem-%s", shmem->info.alias) < 0) + goto cleanup; + } + + qemuDomainObjEnterMonitor(driver, vm); + + if (shmem->server.enabled) { + if (qemuMonitorAttachCharDev(priv->mon, charAlias, + &shmem->server.chr) < 0) + goto exit_monitor; + } else { + if (qemuMonitorAddObject(priv->mon, "memory-backend-file", + memAlias, props) < 0) { + props = NULL; + goto exit_monitor; + } + props = NULL; + } + + release_backing = true; + + if (qemuMonitorAddDevice(priv->mon, shmstr) < 0) + goto exit_monitor; + + if (qemuDomainObjExitMonitor(driver, vm) < 0) { + release_address = false; + goto cleanup; + } + + /* Doing a copy here just so the pointer doesn't get nullified + * because we need it in the audit function */ + VIR_APPEND_ELEMENT_COPY_INPLACE(vm->def->shmems, vm->def->nshmems, shmem); + + ret = 0; + release_address = false; + + audit: + virDomainAuditShmem(vm, shmem, "attach", ret == 0); + + cleanup: + if (release_address) + qemuDomainReleaseDeviceAddress(vm, &shmem->info, NULL); + + virJSONValueFree(props); + VIR_FREE(memAlias); + VIR_FREE(charAlias); + VIR_FREE(shmstr); + + return ret; + + exit_monitor: + orig_err = virSaveLastError(); + if (release_backing) { + if (shmem->server.enabled) + ignore_value(qemuMonitorDetachCharDev(priv->mon, charAlias)); + else + ignore_value(qemuMonitorDelObject(priv->mon, memAlias)); + } + + if (orig_err) { + virSetError(orig_err); + virFreeError(orig_err); + } + + if (qemuDomainObjExitMonitor(driver, vm) < 0) + release_address = false; + + goto audit; +} + + static int qemuDomainChangeNetBridge(virDomainObjPtr vm, virDomainNetDefPtr olddev, @@ -3652,6 +3777,62 @@ qemuDomainRemoveRNGDevice(virQEMUDriverPtr driver, } +static int +qemuDomainRemoveShmemDevice(virQEMUDriverPtr driver, + virDomainObjPtr vm, + virDomainShmemDefPtr shmem) +{ + int rc; + int ret = -1; + ssize_t idx = -1; + char *charAlias = NULL; + char *memAlias = NULL; + qemuDomainObjPrivatePtr priv = vm->privateData; + virObjectEventPtr event = NULL; + + VIR_DEBUG("Removing shmem device %s from domain %p %s", + shmem->info.alias, vm, vm->def->name); + + if (shmem->server.enabled) { + if (virAsprintf(&charAlias, "char%s", shmem->info.alias) < 0) + return -1; + } else { + if (virAsprintf(&memAlias, "shmmem-%s", shmem->info.alias) < 0) + return -1; + } + + qemuDomainObjEnterMonitor(driver, vm); + + if (shmem->server.enabled) + rc = qemuMonitorDetachCharDev(priv->mon, charAlias); + else + rc = qemuMonitorDelObject(priv->mon, memAlias); + + if (qemuDomainObjExitMonitor(driver, vm) < 0) + goto cleanup; + + virDomainAuditShmem(vm, shmem, "detach", rc == 0); + + if (rc < 0) + goto cleanup; + + event = virDomainEventDeviceRemovedNewFromObj(vm, shmem->info.alias); + qemuDomainEventQueue(driver, event); + + if ((idx = virDomainShmemDefFind(vm->def, shmem)) >= 0) + virDomainShmemDefRemove(vm->def, idx); + qemuDomainReleaseDeviceAddress(vm, &shmem->info, NULL); + virDomainShmemDefFree(shmem); + + ret = 0; + cleanup: + VIR_FREE(charAlias); + VIR_FREE(memAlias); + + return ret; +} + + int qemuDomainRemoveDevice(virQEMUDriverPtr driver, virDomainObjPtr vm, @@ -3683,6 +3864,10 @@ qemuDomainRemoveDevice(virQEMUDriverPtr driver, ret = qemuDomainRemoveMemoryDevice(driver, vm, dev->data.memory); break; + case VIR_DOMAIN_DEVICE_SHMEM: + ret = qemuDomainRemoveShmemDevice(driver, vm, dev->data.shmem); + break; + case VIR_DOMAIN_DEVICE_NONE: case VIR_DOMAIN_DEVICE_LEASE: case VIR_DOMAIN_DEVICE_FS: @@ -3696,7 +3881,6 @@ qemuDomainRemoveDevice(virQEMUDriverPtr driver, case VIR_DOMAIN_DEVICE_SMARTCARD: case VIR_DOMAIN_DEVICE_MEMBALLOON: case VIR_DOMAIN_DEVICE_NVRAM: - case VIR_DOMAIN_DEVICE_SHMEM: case VIR_DOMAIN_DEVICE_TPM: case VIR_DOMAIN_DEVICE_PANIC: case VIR_DOMAIN_DEVICE_IOMMU: @@ -4271,6 +4455,68 @@ int qemuDomainDetachHostDevice(virQEMUDriverPtr driver, return qemuDomainDetachThisHostDevice(driver, vm, detach); } + +int +qemuDomainDetachShmemDevice(virQEMUDriverPtr driver, + virDomainObjPtr vm, + virDomainShmemDefPtr dev) +{ + int ret = -1; + ssize_t idx = -1; + virErrorPtr orig_err = NULL; + virDomainShmemDefPtr shmem = NULL; + qemuDomainObjPrivatePtr priv = vm->privateData; + + if ((idx = virDomainShmemDefFind(vm->def, dev)) < 0) { + virReportError(VIR_ERR_OPERATION_INVALID, "%s", + _("device not present in domain configuration")); + return -1; + } + + shmem = vm->def->shmems[idx]; + + switch ((virDomainShmemModel)shmem->model) { + case VIR_DOMAIN_SHMEM_MODEL_IVSHMEM_PLAIN: + case VIR_DOMAIN_SHMEM_MODEL_IVSHMEM_DOORBELL: + break; + + case VIR_DOMAIN_SHMEM_MODEL_IVSHMEM: + virReportError(VIR_ERR_OPERATION_UNSUPPORTED, + _("live detach of shmem model '%s' is not supported"), + virDomainShmemModelTypeToString(shmem->model)); + /* fall-through */ + case VIR_DOMAIN_SHMEM_MODEL_LAST: + return -1; + } + + qemuDomainMarkDeviceForRemoval(vm, &shmem->info); + qemuDomainObjEnterMonitor(driver, vm); + + ret = qemuMonitorDelDevice(priv->mon, shmem->info.alias); + + if (ret < 0) + orig_err = virSaveLastError(); + + if (qemuDomainObjExitMonitor(driver, vm) < 0) + ret = -1; + + if (ret == 0) { + if ((ret = qemuDomainWaitForDeviceRemoval(vm)) == 1) { + qemuDomainReleaseDeviceAddress(vm, &shmem->info, NULL); + ret = qemuDomainRemoveShmemDevice(driver, vm, shmem); + } + } + qemuDomainResetDeviceRemoval(vm); + + if (orig_err) { + virSetError(orig_err); + virFreeError(orig_err); + } + + return ret; +} + + int qemuDomainDetachNetDevice(virQEMUDriverPtr driver, virDomainObjPtr vm, diff --git a/src/qemu/qemu_hotplug.h b/src/qemu/qemu_hotplug.h index b048cf4688a4..ca54bbdf005a 100644 --- a/src/qemu/qemu_hotplug.h +++ b/src/qemu/qemu_hotplug.h @@ -50,6 +50,9 @@ int qemuDomainAttachHostDevice(virConnectPtr conn, virQEMUDriverPtr driver, virDomainObjPtr vm, virDomainHostdevDefPtr hostdev); +int qemuDomainAttachShmemDevice(virQEMUDriverPtr driver, + virDomainObjPtr vm, + virDomainShmemDefPtr shmem); int qemuDomainFindGraphicsIndex(virDomainDefPtr def, virDomainGraphicsDefPtr dev); int qemuDomainAttachMemory(virQEMUDriverPtr driver, @@ -86,6 +89,9 @@ int qemuDomainDetachNetDevice(virQEMUDriverPtr driver, int qemuDomainDetachHostDevice(virQEMUDriverPtr driver, virDomainObjPtr vm, virDomainDeviceDefPtr dev); +int qemuDomainDetachShmemDevice(virQEMUDriverPtr driver, + virDomainObjPtr vm, + virDomainShmemDefPtr dev); int qemuDomainAttachLease(virQEMUDriverPtr driver, virDomainObjPtr vm, virDomainLeaseDefPtr lease); diff --git a/tests/qemuhotplugtest.c b/tests/qemuhotplugtest.c index 43eb1cfd1fc3..a380fe60fc13 100644 --- a/tests/qemuhotplugtest.c +++ b/tests/qemuhotplugtest.c @@ -74,6 +74,8 @@ qemuHotplugCreateObjects(virDomainXMLOptionPtr xmlopt, virQEMUCapsSet(priv->qemuCaps, QEMU_CAPS_VIRTIO_SCSI); virQEMUCapsSet(priv->qemuCaps, QEMU_CAPS_DEVICE_USB_STORAGE); virQEMUCapsSet(priv->qemuCaps, QEMU_CAPS_VIRTIO_CCW); + virQEMUCapsSet(priv->qemuCaps, QEMU_CAPS_DEVICE_IVSHMEM_PLAIN); + virQEMUCapsSet(priv->qemuCaps, QEMU_CAPS_DEVICE_IVSHMEM_DOORBELL); if (event) virQEMUCapsSet(priv->qemuCaps, QEMU_CAPS_DEVICE_DEL_EVENT); @@ -120,6 +122,9 @@ testQemuHotplugAttach(virDomainObjPtr vm, case VIR_DOMAIN_DEVICE_CHR: ret = qemuDomainAttachChrDevice(&driver, vm, dev->data.chr); break; + case VIR_DOMAIN_DEVICE_SHMEM: + ret = qemuDomainAttachShmemDevice(&driver, vm, dev->data.shmem); + break; default: VIR_TEST_VERBOSE("device type '%s' cannot be attached\n", virDomainDeviceTypeToString(dev->type)); @@ -142,6 +147,9 @@ testQemuHotplugDetach(virDomainObjPtr vm, case VIR_DOMAIN_DEVICE_CHR: ret = qemuDomainDetachChrDevice(&driver, vm, dev->data.chr); break; + case VIR_DOMAIN_DEVICE_SHMEM: + ret = qemuDomainDetachShmemDevice(&driver, vm, dev->data.shmem); + break; default: VIR_TEST_VERBOSE("device type '%s' cannot be detached\n", virDomainDeviceTypeToString(dev->type)); @@ -561,6 +569,19 @@ mymain(void) "human-monitor-command", HMP("OK\\r\\n"), "device_add", QMP_OK); + DO_TEST_ATTACH("base-live", "ivshmem-plain", false, true, + "object-add", QMP_OK, + "device_add", QMP_OK); + DO_TEST_ATTACH("base-live", "ivshmem-doorbell", false, true, + "chardev-add", QMP_OK, + "device_add", QMP_OK); + DO_TEST_DETACH("base-live+ivshmem-plain", "ivshmem-doorbell-detach", false, true, + "device_del", QMP_OK, + "chardev-remove", QMP_OK); + DO_TEST_DETACH("base-live", "ivshmem-plain-detach", false, false, + "device_del", QMP_OK, + "object-del", QMP_OK); + qemuTestDriverFree(&driver); return (ret == 0) ? EXIT_SUCCESS : EXIT_FAILURE; } diff --git a/tests/qemuhotplugtestdevices/qemuhotplug-ivshmem-doorbell-detach.xml b/tests/qemuhotplugtestdevices/qemuhotplug-ivshmem-doorbell-detach.xml new file mode 100644 index 000000000000..7c066964d745 --- /dev/null +++ b/tests/qemuhotplugtestdevices/qemuhotplug-ivshmem-doorbell-detach.xml @@ -0,0 +1,7 @@ +<shmem name='shmem1'> + <model type='ivshmem-doorbell'/> + <server path='/var/lib/libvirt/shmem-shmem1-sock'/> + <msi ioeventfd='on'/> + <alias name='shmem1'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/> +</shmem> diff --git a/tests/qemuhotplugtestdevices/qemuhotplug-ivshmem-doorbell.xml b/tests/qemuhotplugtestdevices/qemuhotplug-ivshmem-doorbell.xml new file mode 100644 index 000000000000..06cb0c978605 --- /dev/null +++ b/tests/qemuhotplugtestdevices/qemuhotplug-ivshmem-doorbell.xml @@ -0,0 +1,4 @@ +<shmem name='shmem1'> + <model type='ivshmem-doorbell'/> + <server/> +</shmem> diff --git a/tests/qemuhotplugtestdevices/qemuhotplug-ivshmem-plain-detach.xml b/tests/qemuhotplugtestdevices/qemuhotplug-ivshmem-plain-detach.xml new file mode 100644 index 000000000000..68f592fb2128 --- /dev/null +++ b/tests/qemuhotplugtestdevices/qemuhotplug-ivshmem-plain-detach.xml @@ -0,0 +1,6 @@ +<shmem name='shmem0'> + <model type='ivshmem-plain'/> + <size unit='M'>4</size> + <alias name='shmem0'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> +</shmem> diff --git a/tests/qemuhotplugtestdevices/qemuhotplug-ivshmem-plain.xml b/tests/qemuhotplugtestdevices/qemuhotplug-ivshmem-plain.xml new file mode 100644 index 000000000000..6bd96ff16767 --- /dev/null +++ b/tests/qemuhotplugtestdevices/qemuhotplug-ivshmem-plain.xml @@ -0,0 +1,3 @@ +<shmem name='shmem0'> + <model type='ivshmem-plain'/> +</shmem> diff --git a/tests/qemuhotplugtestdomains/qemuhotplug-base-live+ivshmem-doorbell-detach.xml b/tests/qemuhotplugtestdomains/qemuhotplug-base-live+ivshmem-doorbell-detach.xml new file mode 120000 index 000000000000..021e5471d197 --- /dev/null +++ b/tests/qemuhotplugtestdomains/qemuhotplug-base-live+ivshmem-doorbell-detach.xml @@ -0,0 +1 @@ +qemuhotplug-base-live+ivshmem-plain.xml \ No newline at end of file diff --git a/tests/qemuhotplugtestdomains/qemuhotplug-base-live+ivshmem-doorbell.xml b/tests/qemuhotplugtestdomains/qemuhotplug-base-live+ivshmem-doorbell.xml new file mode 100644 index 000000000000..8d09fee265fc --- /dev/null +++ b/tests/qemuhotplugtestdomains/qemuhotplug-base-live+ivshmem-doorbell.xml @@ -0,0 +1,65 @@ +<domain type='kvm' id='7'> + <name>hotplug</name> + <uuid>d091ea82-29e6-2e34-3005-f02617b36e87</uuid> + <memory unit='KiB'>4194304</memory> + <currentMemory unit='KiB'>4194304</currentMemory> + <vcpu placement='static'>4</vcpu> + <os> + <type arch='x86_64' machine='pc'>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/libexec/qemu-kvm</emulator> + <controller type='usb' index='0'> + <alias name='usb'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/> + </controller> + <controller type='ide' index='0'> + <alias name='ide'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/> + </controller> + <controller type='scsi' index='0' model='virtio-scsi'> + <alias name='scsi0'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> + </controller> + <controller type='pci' index='0' model='pci-root'> + <alias name='pci'/> + </controller> + <controller type='virtio-serial' index='0'> + <alias name='virtio-serial0'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> + </controller> + <input type='mouse' bus='ps2'> + <alias name='input0'/> + </input> + <input type='keyboard' bus='ps2'> + <alias name='input1'/> + </input> + <memballoon model='none'> + <alias name='balloon0'/> + </memballoon> + <shmem name='shmem0'> + <model type='ivshmem-plain'/> + <size unit='M'>4</size> + <alias name='shmem0'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> + </shmem> + <shmem name='shmem1'> + <model type='ivshmem-doorbell'/> + <server path='/var/lib/libvirt/shmem-shmem1-sock'/> + <msi ioeventfd='on'/> + <alias name='shmem1'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/> + </shmem> + </devices> + <seclabel type='none' model='none'/> +</domain> diff --git a/tests/qemuhotplugtestdomains/qemuhotplug-base-live+ivshmem-plain-detach.xml b/tests/qemuhotplugtestdomains/qemuhotplug-base-live+ivshmem-plain-detach.xml new file mode 120000 index 000000000000..48c1b1755a4e --- /dev/null +++ b/tests/qemuhotplugtestdomains/qemuhotplug-base-live+ivshmem-plain-detach.xml @@ -0,0 +1 @@ +qemuhotplug-base-live.xml \ No newline at end of file diff --git a/tests/qemuhotplugtestdomains/qemuhotplug-base-live+ivshmem-plain.xml b/tests/qemuhotplugtestdomains/qemuhotplug-base-live+ivshmem-plain.xml new file mode 100644 index 000000000000..ac3fa4f42047 --- /dev/null +++ b/tests/qemuhotplugtestdomains/qemuhotplug-base-live+ivshmem-plain.xml @@ -0,0 +1,58 @@ +<domain type='kvm' id='7'> + <name>hotplug</name> + <uuid>d091ea82-29e6-2e34-3005-f02617b36e87</uuid> + <memory unit='KiB'>4194304</memory> + <currentMemory unit='KiB'>4194304</currentMemory> + <vcpu placement='static'>4</vcpu> + <os> + <type arch='x86_64' machine='pc'>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/libexec/qemu-kvm</emulator> + <controller type='usb' index='0'> + <alias name='usb'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/> + </controller> + <controller type='ide' index='0'> + <alias name='ide'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/> + </controller> + <controller type='scsi' index='0' model='virtio-scsi'> + <alias name='scsi0'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> + </controller> + <controller type='pci' index='0' model='pci-root'> + <alias name='pci'/> + </controller> + <controller type='virtio-serial' index='0'> + <alias name='virtio-serial0'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> + </controller> + <input type='mouse' bus='ps2'> + <alias name='input0'/> + </input> + <input type='keyboard' bus='ps2'> + <alias name='input1'/> + </input> + <memballoon model='none'> + <alias name='balloon0'/> + </memballoon> + <shmem name='shmem0'> + <model type='ivshmem-plain'/> + <size unit='M'>4</size> + <alias name='shmem0'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> + </shmem> + </devices> + <seclabel type='none' model='none'/> +</domain> -- 2.10.1