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[PATCH] domain_conf: rewrite if else condition
by Kristina Hanicova 20 Jul '22

20 Jul '22

This patch prevents nesting of if conditions and makes the code cleaner. Signed-off-by: Kristina Hanicova <khanicov(a)redhat.com> --- src/conf/domain_conf.c | 50 +++++++++++++++++++++--------------------- 1 file changed, 25 insertions(+), 25 deletions(-) diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 44a01ab628..6b81c61056 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -5309,18 +5309,18 @@ virDomainDeviceAddressParseXML(xmlNodePtr address, { g_autofree char *type = virXMLPropString(address, "type"); - if (type) { - if ((info->type = virDomainDeviceAddressTypeFromString(type)) <= 0) { - virReportError(VIR_ERR_CONFIG_UNSUPPORTED, - _("unknown address type '%s'"), type); - return -1; - } - } else { + if (!type) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("No type specified for device address")); return -1; } + if ((info->type = virDomainDeviceAddressTypeFromString(type)) <= 0) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, + _("unknown address type '%s'"), type); + return -1; + } + switch ((virDomainDeviceAddressType) info->type) { case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI: if (virPCIDeviceAddressParseXML(address, &info->addr.pci) < 0) @@ -5996,20 +5996,20 @@ virDomainHostdevDefParseXMLSubsys(xmlNodePtr node, * <hostdev>. (the functions we're going to call expect address * type to already be known). */ - if (type) { - if ((def->source.subsys.type - = virDomainHostdevSubsysTypeFromString(type)) < 0) { - virReportError(VIR_ERR_CONFIG_UNSUPPORTED, - _("unknown host device source address type '%s'"), - type); - return -1; - } - } else { + if (!type) { virReportError(VIR_ERR_XML_ERROR, "%s", _("missing source address type")); return -1; } + if ((def->source.subsys.type + = virDomainHostdevSubsysTypeFromString(type)) < 0) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, + _("unknown host device source address type '%s'"), + type); + return -1; + } + if (!(sourcenode = virXPathNode("./source", ctxt))) { virReportError(VIR_ERR_XML_ERROR, "%s", _("Missing <source> element in hostdev device")); @@ -6304,20 +6304,20 @@ virDomainHostdevDefParseXMLCaps(xmlNodePtr node G_GNUC_UNUSED, * <hostdev>. (the functions we're going to call expect address * type to already be known). */ - if (type) { - if ((def->source.caps.type - = virDomainHostdevCapsTypeFromString(type)) < 0) { - virReportError(VIR_ERR_CONFIG_UNSUPPORTED, - _("unknown host device source address type '%s'"), - type); - return -1; - } - } else { + if (!type) { virReportError(VIR_ERR_XML_ERROR, "%s", _("missing source address type")); return -1; } + if ((def->source.caps.type + = virDomainHostdevCapsTypeFromString(type)) < 0) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, + _("unknown host device source address type '%s'"), + type); + return -1; + } + if (!virXPathNode("./source", ctxt)) { virReportError(VIR_ERR_XML_ERROR, "%s", _("Missing <source> element in hostdev device")); -- 2.35.3

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[PATCH 0/5] hypervisor: move job object into hypervisor
by Kristina Hanicova 20 Jul '22

20 Jul '22

This series moves generalized qemu job object into hypervisor/ and replaces all other hypervisor-specific job objects. Kristina Hanicova (5): qemu & hypervisor: move job object into hypervisor hypervisor: domain_job: rename members in virDomainObjPrivateJobCallbacks LXC: use virDomainJobObj libxl: use virDomainJobObj CH: use virDomainJobObj src/ch/ch_domain.c | 4 +- src/ch/ch_domain.h | 9 +---- src/hypervisor/domain_job.h | 62 ++++++++++++++++++++++++++++++ src/libxl/libxl_domain.c | 6 +-- src/libxl/libxl_domain.h | 11 +----- src/lxc/lxc_domain.c | 4 +- src/lxc/lxc_domain.h | 9 +---- src/qemu/qemu_domain.c | 10 ++--- src/qemu/qemu_domain.h | 2 +- src/qemu/qemu_domainjob.c | 26 ++++++------- src/qemu/qemu_domainjob.h | 66 +++----------------------------- src/qemu/qemu_migration.c | 2 +- src/qemu/qemu_migration.h | 2 +- src/qemu/qemu_migration_params.c | 2 +- src/qemu/qemu_process.c | 12 +++--- 15 files changed, 106 insertions(+), 121 deletions(-) -- 2.35.3

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[PATCH] hypervisor: domain_job: add and edit description
by Kristina Hanicova 20 Jul '22

20 Jul '22

Signed-off-by: Kristina Hanicova <khanicov(a)redhat.com> --- src/hypervisor/domain_job.c | 2 ++ src/hypervisor/domain_job.h | 5 ++++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/src/hypervisor/domain_job.c b/src/hypervisor/domain_job.c index 5939d93e47..6a0fbd42b3 100644 --- a/src/hypervisor/domain_job.c +++ b/src/hypervisor/domain_job.c @@ -1,4 +1,6 @@ /* + * domain_job.c: job functions shared between hypervisor drivers + * * Copyright (C) 2022 Red Hat, Inc. * SPDX-License-Identifier: LGPL-2.1-or-later */ diff --git a/src/hypervisor/domain_job.h b/src/hypervisor/domain_job.h index 30f950ec23..b12e0c8e17 100644 --- a/src/hypervisor/domain_job.h +++ b/src/hypervisor/domain_job.h @@ -1,4 +1,6 @@ /* + * domain_job.h: job functions shared between hypervisor drivers + * * Copyright (C) 2022 Red Hat, Inc. * SPDX-License-Identifier: LGPL-2.1-or-later */ @@ -122,7 +124,8 @@ struct _virDomainJobData { char *errmsg; /* optional error message for failed completed jobs */ void *privateData; /* private data of hypervisors */ - virDomainJobDataPrivateDataCallbacks *privateDataCb; /* callbacks of private data, hypervisor based */ + virDomainJobDataPrivateDataCallbacks *privateDataCb; /* callbacks of private data, + hypervisor based */ }; -- 2.35.3

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[PATCH] qemu: domainjob: remove async variable from qemuDomainObjBeginJobInternal()
by Kristina Hanicova 20 Jul '22

20 Jul '22

This patch removes variable 'async', which is used only once, and replaces it with direct comparison with an enum member. Signed-off-by: Kristina Hanicova <khanicov(a)redhat.com> --- src/qemu/qemu_domainjob.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/qemu/qemu_domainjob.c b/src/qemu/qemu_domainjob.c index 1f6d976558..7c6b697959 100644 --- a/src/qemu/qemu_domainjob.c +++ b/src/qemu/qemu_domainjob.c @@ -875,7 +875,6 @@ qemuDomainObjBeginJobInternal(virQEMUDriver *driver, unsigned long long now; unsigned long long then; bool nested = job == VIR_JOB_ASYNC_NESTED; - bool async = job == VIR_JOB_ASYNC; g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver); const char *blocker = NULL; const char *agentBlocker = NULL; @@ -903,7 +902,8 @@ qemuDomainObjBeginJobInternal(virQEMUDriver *driver, then = now + QEMU_JOB_WAIT_TIME; retry: - if ((!async && job != VIR_JOB_DESTROY) && + if (job != VIR_JOB_ASYNC && + job != VIR_JOB_DESTROY && cfg->maxQueuedJobs && priv->job.jobsQueued > cfg->maxQueuedJobs) { goto error; -- 2.35.3

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[libvirt PATCH] nodedev: support 'mtty' device for testing
by Jonathon Jongsma 20 Jul '22

20 Jul '22

It would be nice to be able to test the mediated device capabilities without having physical hardware which supports it. The 'mtty' kernel module presents a virtual parent device which is capable of creating 'fake' mediated devices, and as such it would be useful for testing. However, the 'mtty' device is not part of an existing device subsystem (e.g. PCI, etc), so libvirt ignores it and it does not get added to the node device list. And because it does not get added to the node device list, it cannot be used to create child mdevs using `virsh nodedev-create`. There is already a node device type capability VIR_NODE_DEV_CAP_MDEV_TYPES that indicates whether a device supports creating child mediated devices, but libvirt assumes that this is a nested capability (in other words, it assumes that the primary capability of a device is something like PCI). If we allow this MDEV_TYPES capability to be a primary device capability, then we can support virtual devices like 'mtty' as a parent for mediated devices. See https://bugzilla.redhat.com/show_bug.cgi?id=2107031 Signed-off-by: Jonathon Jongsma <jjongsma(a)redhat.com> --- src/conf/node_device_conf.c | 41 +++++++++++++++++++++++++++- src/conf/node_device_conf.h | 13 +++++++++ src/libvirt_private.syms | 2 ++ src/node_device/node_device_driver.c | 5 +++- src/node_device/node_device_udev.c | 25 +++++++++++++++++ src/util/virmdev.c | 28 +++++++++++++++++++ src/util/virmdev.h | 4 +++ 7 files changed, 116 insertions(+), 2 deletions(-) diff --git a/src/conf/node_device_conf.c b/src/conf/node_device_conf.c index 364bb489bd..d5bfc098b2 100644 --- a/src/conf/node_device_conf.c +++ b/src/conf/node_device_conf.c @@ -772,6 +772,10 @@ virNodeDeviceDefFormat(const virNodeDeviceDef *def) data->ap_matrix.nmdev_types); break; case VIR_NODE_DEV_CAP_MDEV_TYPES: + virNodeDeviceCapMdevTypesFormat(&buf, + data->mdev_parent.mdev_types, + data->mdev_parent.nmdev_types); + break; case VIR_NODE_DEV_CAP_FC_HOST: case VIR_NODE_DEV_CAP_VPORTS: case VIR_NODE_DEV_CAP_VPD: @@ -2674,6 +2678,11 @@ virNodeDevCapsDefFree(virNodeDevCapsDef *caps) g_free(data->ap_matrix.mdev_types); break; case VIR_NODE_DEV_CAP_MDEV_TYPES: + for (i = 0; i < data->mdev_parent.nmdev_types; i++) + virMediatedDeviceTypeFree(data->mdev_parent.mdev_types[i]); + g_free(data->mdev_parent.mdev_types); + g_free(data->mdev_parent.address); + break; case VIR_NODE_DEV_CAP_DRM: case VIR_NODE_DEV_CAP_FC_HOST: case VIR_NODE_DEV_CAP_VPORTS: @@ -2729,6 +2738,11 @@ virNodeDeviceUpdateCaps(virNodeDeviceDef *def) &cap->data.ap_matrix) < 0) return -1; break; + case VIR_NODE_DEV_CAP_MDEV_TYPES: + if (virNodeDeviceGetMdevParentDynamicCaps(def->sysfs_path, + &cap->data.mdev_parent) < 0) + return -1; + break; /* all types that (supposedly) don't require any updates * relative to what's in the cache. @@ -2742,7 +2756,6 @@ virNodeDeviceUpdateCaps(virNodeDeviceDef *def) case VIR_NODE_DEV_CAP_FC_HOST: case VIR_NODE_DEV_CAP_VPORTS: case VIR_NODE_DEV_CAP_SCSI_GENERIC: - case VIR_NODE_DEV_CAP_MDEV_TYPES: case VIR_NODE_DEV_CAP_MDEV: case VIR_NODE_DEV_CAP_CCW_DEV: case VIR_NODE_DEV_CAP_VDPA: @@ -3193,6 +3206,24 @@ virNodeDeviceGetAPMatrixDynamicCaps(const char *sysfsPath, return 0; } +/* virNodeDeviceGetMdevParentDynamicCaps() get info that is stored in sysfs + * about devices related to this device, i.e. things that can change + * without this device itself changing. These must be refreshed + * anytime full XML of the device is requested, because they can + * change with no corresponding notification from the kernel/udev. + */ +int +virNodeDeviceGetMdevParentDynamicCaps(const char *sysfsPath, + virNodeDevCapMdevParent *mdev_parent) +{ + if (virNodeDeviceGetMdevTypesCaps(sysfsPath, + &mdev_parent->mdev_types, + &mdev_parent->nmdev_types) < 0) + return -1; + return 0; +} + + #else int @@ -3229,4 +3260,12 @@ virNodeDeviceGetAPMatrixDynamicCaps(const char *sysfsPath G_GNUC_UNUSED, return -1; } +int +virNodeDeviceGetMdevParentDynamicCaps(const char *sysfsPath G_GNUC_UNUSED, + virNodeDevCapMdevParent *mdev_parent G_GNUC_UNUSED) +{ + return -1; +} + + #endif /* __linux__ */ diff --git a/src/conf/node_device_conf.h b/src/conf/node_device_conf.h index a234b4147b..21622c62ac 100644 --- a/src/conf/node_device_conf.h +++ b/src/conf/node_device_conf.h @@ -306,6 +306,14 @@ struct _virNodeDevCapAPMatrix { size_t nmdev_types; }; + +typedef struct _virNodeDevCapMdevParent virNodeDevCapMdevParent; +struct _virNodeDevCapMdevParent { + virMediatedDeviceType **mdev_types; + size_t nmdev_types; + char *address; +}; + typedef struct _virNodeDevCapData virNodeDevCapData; struct _virNodeDevCapData { virNodeDevCapType type; @@ -327,6 +335,7 @@ struct _virNodeDevCapData { virNodeDevCapAPCard ap_card; virNodeDevCapAPQueue ap_queue; virNodeDevCapAPMatrix ap_matrix; + virNodeDevCapMdevParent mdev_parent; }; }; @@ -453,6 +462,10 @@ int virNodeDeviceGetAPMatrixDynamicCaps(const char *sysfsPath, virNodeDevCapAPMatrix *ap_matrix); +int +virNodeDeviceGetMdevParentDynamicCaps(const char *sysfsPath, + virNodeDevCapMdevParent *mdev_parent); + int virNodeDeviceUpdateCaps(virNodeDeviceDef *def); diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index f4732f1742..1a5fce22e5 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -866,6 +866,7 @@ virNodeDeviceDefParseNode; virNodeDeviceDefParseString; virNodeDeviceGetAPMatrixDynamicCaps; virNodeDeviceGetCSSDynamicCaps; +virNodeDeviceGetMdevParentDynamicCaps; virNodeDeviceGetPCIDynamicCaps; virNodeDeviceGetSCSIHostCaps; virNodeDeviceGetSCSITargetCaps; @@ -2723,6 +2724,7 @@ virMediatedDeviceListStealIndex; virMediatedDeviceModelTypeFromString; virMediatedDeviceModelTypeToString; virMediatedDeviceNew; +virMediatedDeviceParentGetAddress; virMediatedDeviceSetUsedBy; virMediatedDeviceTypeFree; virMediatedDeviceTypeReadAttrs; diff --git a/src/node_device/node_device_driver.c b/src/node_device/node_device_driver.c index 0178ae8b66..fa3cfcf24c 100644 --- a/src/node_device/node_device_driver.c +++ b/src/node_device/node_device_driver.c @@ -672,6 +672,10 @@ nodeDeviceObjFormatAddress(virNodeDeviceObj *obj) addr = g_strdup(caps->data.ap_matrix.addr); break; + case VIR_NODE_DEV_CAP_MDEV_TYPES: + addr = g_strdup(caps->data.mdev_parent.address); + break; + case VIR_NODE_DEV_CAP_SYSTEM: case VIR_NODE_DEV_CAP_USB_DEV: case VIR_NODE_DEV_CAP_USB_INTERFACE: @@ -684,7 +688,6 @@ nodeDeviceObjFormatAddress(virNodeDeviceObj *obj) case VIR_NODE_DEV_CAP_VPORTS: case VIR_NODE_DEV_CAP_SCSI_GENERIC: case VIR_NODE_DEV_CAP_DRM: - case VIR_NODE_DEV_CAP_MDEV_TYPES: case VIR_NODE_DEV_CAP_MDEV: case VIR_NODE_DEV_CAP_CCW_DEV: case VIR_NODE_DEV_CAP_VDPA: diff --git a/src/node_device/node_device_udev.c b/src/node_device/node_device_udev.c index 3d69bdedae..e76c1a36b8 100644 --- a/src/node_device/node_device_udev.c +++ b/src/node_device/node_device_udev.c @@ -457,6 +457,28 @@ udevProcessPCI(struct udev_device *device, } +static int +udevProcessMdevParent(struct udev_device *device, + virNodeDeviceDef *def) +{ + virNodeDevCapMdevParent *mdev_parent = &def->caps->data.mdev_parent; + + udevGenerateDeviceName(device, def, NULL); + + if (virMediatedDeviceParentGetAddress(def->sysfs_path, &mdev_parent->address) < 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("Unable to find address for mdev parent device '%s'"), + def->name); + return -1; + } + + if (virNodeDeviceGetMdevParentDynamicCaps(def->sysfs_path, mdev_parent) < 0) + return -1; + + return 0; +} + + static int drmGetMinorType(int minor) { @@ -1349,6 +1371,8 @@ udevGetDeviceType(struct udev_device *device, *type = VIR_NODE_DEV_CAP_VDPA; else if (STREQ_NULLABLE(subsystem, "matrix")) *type = VIR_NODE_DEV_CAP_AP_MATRIX; + else if (STREQ_NULLABLE(subsystem, "mtty")) + *type = VIR_NODE_DEV_CAP_MDEV_TYPES; VIR_FREE(subsystem); } @@ -1404,6 +1428,7 @@ udevGetDeviceDetails(struct udev_device *device, case VIR_NODE_DEV_CAP_AP_MATRIX: return udevProcessAPMatrix(device, def); case VIR_NODE_DEV_CAP_MDEV_TYPES: + return udevProcessMdevParent(device, def); case VIR_NODE_DEV_CAP_VPD: case VIR_NODE_DEV_CAP_SYSTEM: case VIR_NODE_DEV_CAP_FC_HOST: diff --git a/src/util/virmdev.c b/src/util/virmdev.c index eb566982b1..41d4cef8b9 100644 --- a/src/util/virmdev.c +++ b/src/util/virmdev.c @@ -520,6 +520,34 @@ void virMediatedDeviceAttrFree(virMediatedDeviceAttr *attr) } +#define MDEV_BUS_DIR "/sys/class/mdev_bus" + + +int +virMediatedDeviceParentGetAddress(const char *sysfspath, + char **address) +{ + g_autoptr(DIR) dir = NULL; + struct dirent *entry; + if (virDirOpen(&dir, MDEV_BUS_DIR) < 0) + return -1; + + /* check if one of the links in /sys/class/mdev_bus/ points at the sysfs + * path for this device. If so, the link name is treated as the 'address' + * for the mdev parent */ + while (virDirRead(dir, &entry, MDEV_BUS_DIR) > 0) { + g_autofree char *tmppath = g_strdup_printf("%s/%s", MDEV_BUS_DIR, + entry->d_name); + + if (virFileLinkPointsTo(tmppath, sysfspath)) { + *address = g_strdup(entry->d_name); + return 0; + } + } + + return -1; +} + #ifdef __linux__ ssize_t diff --git a/src/util/virmdev.h b/src/util/virmdev.h index 4d3655a091..bc8306d0e1 100644 --- a/src/util/virmdev.h +++ b/src/util/virmdev.h @@ -149,5 +149,9 @@ virMediatedDeviceGetMdevTypes(const char *sysfspath, virMediatedDeviceType ***types, size_t *ntypes); +int +virMediatedDeviceParentGetAddress(const char *sysfspath, + char **address); + G_DEFINE_AUTOPTR_CLEANUP_FUNC(virMediatedDevice, virMediatedDeviceFree); G_DEFINE_AUTOPTR_CLEANUP_FUNC(virMediatedDeviceType, virMediatedDeviceTypeFree); -- 2.35.3

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[libvirt PATCH v2 0/5] Ask qemu about migration blockers
by Eugenio Pérez 20 Jul '22

20 Jul '22

There are some hardcoded migration blockers in libvirt, like having a net vhost-vdpa device. While it's true that they cannot be migrated at the moment, there are plans to be able to migrate them soon. They'll put a migration blockers in the cases where you cannot migrate them. Ask qemu about then before rejecting the migration. In case the question is not possible, assume they're not migratable. Eugenio Pérez (4): qemu_monitor_json: Add qemuMonitorJSONGetMigrationBlockers qemu_monitor: add support for get qemu migration blockers qemu_migration: get migration blockers before hardcoded checks qemu_migrate: Do not forbif vDPA devices if can query blockers Jonathon Jongsma (1): qemu: introduce capability QEMU_MIGRATION_BLOCKED_REASONS src/qemu/qemu_capabilities.c | 2 + src/qemu/qemu_capabilities.h | 1 + src/qemu/qemu_migration.c | 38 ++++++++++++++++++- src/qemu/qemu_monitor.c | 11 ++++++ src/qemu/qemu_monitor.h | 4 ++ src/qemu/qemu_monitor_json.c | 35 +++++++++++++++++ src/qemu/qemu_monitor_json.h | 3 ++ .../caps_6.0.0.aarch64.xml | 1 + .../qemucapabilitiesdata/caps_6.0.0.s390x.xml | 1 + .../caps_6.0.0.x86_64.xml | 1 + .../caps_6.1.0.x86_64.xml | 1 + .../caps_6.2.0.aarch64.xml | 1 + .../qemucapabilitiesdata/caps_6.2.0.ppc64.xml | 1 + .../caps_6.2.0.x86_64.xml | 1 + .../caps_7.0.0.aarch64.xml | 1 + .../qemucapabilitiesdata/caps_7.0.0.ppc64.xml | 1 + .../caps_7.0.0.x86_64.xml | 1 + .../caps_7.1.0.x86_64.xml | 1 + 18 files changed, 104 insertions(+), 1 deletion(-) -- 2.31.1

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[PATCH 0/2] schemas: Drop <interleave/> from capabilities schemas
by Michal Privoznik 20 Jul '22

20 Jul '22

*** BLURB HERE *** Michal Prívozník (2): capabilityschemadata: Fix order of <features/> in caps-test2.xml schemas: Drop <interleave/> from capabilities schemas src/conf/schemas/capability.rng | 160 +++++++++++----------- src/conf/schemas/domaincaps.rng | 80 +++++------ tests/capabilityschemadata/caps-test2.xml | 8 +- 3 files changed, 119 insertions(+), 129 deletions(-) -- 2.35.1

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[PATCH] spec: Restart sockets even when libvirtd is inactive
by Jim Fehlig 20 Jul '22

20 Jul '22

By default libvirtd will terminate itself after 120 seconds, so it is likely that the daemon will not be running at package upgrade. Try restarting sockets even if the daemon is inactive. Signed-off-by: Jim Fehlig <jfehlig(a)suse.com> --- Assuming sockets need restarted on package update? libvirt.spec.in | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/libvirt.spec.in b/libvirt.spec.in index 9d788b790f..5201a14431 100644 --- a/libvirt.spec.in +++ b/libvirt.spec.in @@ -1365,16 +1365,19 @@ then # own the sockets again when it comes back up. Thus we must # do this particular ordering, so that we get libvirtd # running with socket activation in use + is_active=no /bin/systemctl is-active libvirtd.service 1>/dev/null 2>&1 if test $? = 0 then + is_active=yes /bin/systemctl stop libvirtd.service >/dev/null 2>&1 || : - - /bin/systemctl try-restart \ - libvirtd.socket \ - libvirtd-ro.socket \ - libvirtd-admin.socket >/dev/null 2>&1 || : - + fi + /bin/systemctl try-restart \ + libvirtd.socket \ + libvirtd-ro.socket \ + libvirtd-admin.socket >/dev/null 2>&1 || : + if test "$is_active" = yes + then /bin/systemctl start libvirtd.service >/dev/null 2>&1 || : fi fi -- 2.36.1

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[libvirt PATCH] qemu_migration: Delete vDPA check
by Eugenio Pérez 20 Jul '22

20 Jul '22

Currently, the migration code denies migration as long as the VM has a vhost-vDPA device. While it's true that vhost-vDPA devices cannot be migrated at the moment, there are plans to be able to migrate them soon. Libvirt must treat it equal to vhost-kernel devices: Not all of them can be migrated (the ones that do not expose the feature VHOST_F_LOG_ALL cannot be migrated). So checks like this one should work for all vhost devices equally. A more accurate solution is to ask qemu if it has an active migration blocker at that moment. Hoever, that require synchronization to avoid qemu to add one between the query and the actual migration command. Signed-off-by: Eugenio Pérez <eperezma(a)redhat.com> --- src/qemu/qemu_migration.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c index 9c3fd41761..4ddf027c83 100644 --- a/src/qemu/qemu_migration.c +++ b/src/qemu/qemu_migration.c @@ -1546,12 +1546,6 @@ qemuMigrationSrcIsAllowed(virQEMUDriver *driver, virDomainNetDef *net = vm->def->nets[i]; qemuSlirp *slirp; - if (net->type == VIR_DOMAIN_NET_TYPE_VDPA) { - virReportError(VIR_ERR_OPERATION_INVALID, "%s", - _("vDPA devices cannot be migrated")); - return false; - } - slirp = QEMU_DOMAIN_NETWORK_PRIVATE(net)->slirp; if (slirp && !qemuSlirpHasFeature(slirp, QEMU_SLIRP_FEATURE_MIGRATE)) { -- 2.31.1

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[libvirt PATCH] conf: add missing break on a switch case
by Jonathon Jongsma 19 Jul '22

19 Jul '22

This was not causing any problems because all cases below were empty, but in order to avoid future misbehavior, add a break to this case. Signed-off-by: Jonathon Jongsma <jjongsma(a)redhat.com> --- src/conf/node_device_conf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/conf/node_device_conf.c b/src/conf/node_device_conf.c index 51746229fc..364bb489bd 100644 --- a/src/conf/node_device_conf.c +++ b/src/conf/node_device_conf.c @@ -770,7 +770,7 @@ virNodeDeviceDefFormat(const virNodeDeviceDef *def) virNodeDeviceCapMdevTypesFormat(&buf, data->ap_matrix.mdev_types, data->ap_matrix.nmdev_types); - + break; case VIR_NODE_DEV_CAP_MDEV_TYPES: case VIR_NODE_DEV_CAP_FC_HOST: case VIR_NODE_DEV_CAP_VPORTS: -- 2.35.3

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