[libvirt] [PATCH RFC 32/40] backup: Parse and output backup XML
Peter Krempa
pkrempa at redhat.com
Fri Oct 18 16:11:17 UTC 2019
From: Eric Blake <eblake at redhat.com>
Accept XML describing a generic block job, and output it again as
needed. This may still need a few tweaks to match the documented XML
and RNG schema.
Signed-off-by: Eric Blake <eblake at redhat.com>
---
src/conf/Makefile.inc.am | 2 +
src/conf/backup_conf.c | 518 +++++++++++++++++++++++++++++++++++++++
src/conf/backup_conf.h | 102 ++++++++
src/conf/virconftypes.h | 3 +
src/libvirt_private.syms | 8 +
5 files changed, 633 insertions(+)
create mode 100644 src/conf/backup_conf.c
create mode 100644 src/conf/backup_conf.h
diff --git a/src/conf/Makefile.inc.am b/src/conf/Makefile.inc.am
index 5035b9b524..debc6f4eef 100644
--- a/src/conf/Makefile.inc.am
+++ b/src/conf/Makefile.inc.am
@@ -12,6 +12,8 @@ NETDEV_CONF_SOURCES = \
$(NULL)
DOMAIN_CONF_SOURCES = \
+ conf/backup_conf.c \
+ conf/backup_conf.h \
conf/capabilities.c \
conf/capabilities.h \
conf/checkpoint_conf.c \
diff --git a/src/conf/backup_conf.c b/src/conf/backup_conf.c
new file mode 100644
index 0000000000..123e71d4d2
--- /dev/null
+++ b/src/conf/backup_conf.c
@@ -0,0 +1,518 @@
+/*
+ * backup_conf.c: domain backup XML processing
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "configmake.h"
+#include "internal.h"
+#include "virbuffer.h"
+#include "datatypes.h"
+#include "domain_conf.h"
+#include "virlog.h"
+#include "viralloc.h"
+#include "backup_conf.h"
+#include "virstoragefile.h"
+#include "viruuid.h"
+#include "virfile.h"
+#include "virerror.h"
+#include "virxml.h"
+#include "virstring.h"
+#include "virhash.h"
+#include "virenum.h"
+
+#define VIR_FROM_THIS VIR_FROM_DOMAIN
+
+VIR_LOG_INIT("conf.backup_conf");
+
+VIR_ENUM_DECL(virDomainBackup);
+VIR_ENUM_IMPL(virDomainBackup,
+ VIR_DOMAIN_BACKUP_TYPE_LAST,
+ "default",
+ "push",
+ "pull");
+
+/* following values appear in the status XML */
+VIR_ENUM_DECL(virDomainBackupDiskState);
+VIR_ENUM_IMPL(virDomainBackupDiskState,
+ VIR_DOMAIN_BACKUP_DISK_STATE_LAST,
+ "",
+ "running",
+ "complete",
+ "failed",
+ "cancelling",
+ "cancelled");
+
+void
+virDomainBackupDefFree(virDomainBackupDefPtr def)
+{
+ size_t i;
+
+ if (!def)
+ return;
+
+ g_free(def->incremental);
+ virStorageNetHostDefFree(1, def->server);
+
+ for (i = 0; i < def->ndisks; i++) {
+ virDomainBackupDiskDefPtr disk = def->disks + i;
+
+ g_free(disk->name);
+ virObjectUnref(disk->store);
+ }
+
+ g_free(def->disks);
+ g_free(def);
+}
+
+
+static int
+virDomainBackupDiskDefParseXML(xmlNodePtr node,
+ xmlXPathContextPtr ctxt,
+ virDomainBackupDiskDefPtr def,
+ bool push,
+ unsigned int flags,
+ virDomainXMLOptionPtr xmlopt)
+{
+ VIR_XPATH_NODE_AUTORESTORE(ctxt);
+ g_autofree char *type = NULL;
+ g_autofree char *driver = NULL;
+ g_autofree char *backup = NULL;
+ g_autofree char *state = NULL;
+ int tmp;
+ xmlNodePtr srcNode;
+ unsigned int storageSourceParseFlags = 0;
+ bool internal = flags & VIR_DOMAIN_BACKUP_PARSE_INTERNAL;
+
+ if (internal)
+ storageSourceParseFlags = VIR_DOMAIN_DEF_PARSE_STATUS;
+
+ ctxt->node = node;
+
+ if (!(def->name = virXMLPropString(node, "name"))) {
+ virReportError(VIR_ERR_XML_ERROR, "%s",
+ _("missing name from disk backup element"));
+ return -1;
+ }
+
+ def->backup = VIR_TRISTATE_BOOL_YES;
+
+ if ((backup = virXMLPropString(node, "backup"))) {
+ if ((tmp = virTristateBoolTypeFromString(backup)) <= 0) {
+ virReportError(VIR_ERR_XML_ERROR,
+ _("invalid disk 'backup' state '%s'"), backup);
+ return -1;
+ }
+
+ def->backup = tmp;
+ }
+
+ /* don't parse anything else if backup is disabled */
+ if (def->backup == VIR_TRISTATE_BOOL_NO)
+ return 0;
+
+ if (internal) {
+ tmp = 0;
+ if (!(state = virXMLPropString(node, "state")) ||
+ (tmp = virDomainBackupDiskStateTypeFromString(state)) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("disk '%s' backup state wrong or missing'"), def->name);
+ return -1;
+ }
+
+ def->state = tmp;
+ }
+
+ if (!(def->store = virStorageSourceNew()))
+ return -1;
+
+ if ((type = virXMLPropString(node, "type"))) {
+ if ((def->store->type = virStorageTypeFromString(type)) <= 0 ||
+ def->store->type == VIR_STORAGE_TYPE_VOLUME ||
+ def->store->type == VIR_STORAGE_TYPE_DIR) {
+ virReportError(VIR_ERR_XML_ERROR,
+ _("unknown disk backup type '%s'"), type);
+ return -1;
+ }
+ } else {
+ def->store->type = VIR_STORAGE_TYPE_FILE;
+ }
+
+ if (push)
+ srcNode = virXPathNode("./target", ctxt);
+ else
+ srcNode = virXPathNode("./scratch", ctxt);
+
+ if (srcNode &&
+ virDomainStorageSourceParse(srcNode, ctxt, def->store,
+ storageSourceParseFlags, xmlopt) < 0)
+ return -1;
+
+ if ((driver = virXPathString("string(./driver/@type)", ctxt))) {
+ def->store->format = virStorageFileFormatTypeFromString(driver);
+ if (def->store->format <= 0) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("unknown disk backup driver '%s'"), driver);
+ return -1;
+ } else if (!push && def->store->format != VIR_STORAGE_FILE_QCOW2) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("pull mode requires qcow2 driver, not '%s'"),
+ driver);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+
+static virDomainBackupDefPtr
+virDomainBackupDefParse(xmlXPathContextPtr ctxt,
+ virDomainXMLOptionPtr xmlopt,
+ unsigned int flags)
+{
+ g_autoptr(virDomainBackupDef) def = NULL;
+ g_autofree xmlNodePtr *nodes = NULL;
+ xmlNodePtr node = NULL;
+ g_autofree char *mode = NULL;
+ bool push;
+ size_t i;
+ int n;
+
+ def = g_new0(virDomainBackupDef, 1);
+
+ def->type = VIR_DOMAIN_BACKUP_TYPE_PUSH;
+
+ if ((mode = virXMLPropString(ctxt->node, "mode"))) {
+ if ((def->type = virDomainBackupTypeFromString(mode)) <= 0) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("unknown backup mode '%s'"), mode);
+ return NULL;
+ }
+ }
+
+ push = def->type == VIR_DOMAIN_BACKUP_TYPE_PUSH;
+
+ if (flags & VIR_DOMAIN_BACKUP_PARSE_INTERNAL) {
+ g_autofree char *tmp = virXMLPropString(ctxt->node, "id");
+ if (tmp && virStrToLong_i(tmp, NULL, 10, &def->id) < 0) {
+ virReportError(VIR_ERR_XML_ERROR,
+ _("invalid 'id' value '%s'"), tmp);
+ return NULL;
+ }
+ }
+
+ def->incremental = virXPathString("string(./incremental)", ctxt);
+
+ if ((node = virXPathNode("./server", ctxt))) {
+ if (def->type != VIR_DOMAIN_BACKUP_TYPE_PULL) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("use of <server> requires pull mode backup"));
+ return NULL;
+ }
+
+ def->server = g_new0(virStorageNetHostDef, 1);
+
+ if (virDomainStorageNetworkParseHost(node, def->server) < 0)
+ return NULL;
+
+ if (def->server->transport == VIR_STORAGE_NET_HOST_TRANS_RDMA) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("transport rdma is not supported for <server>"));
+ return NULL;
+ }
+
+ if (def->server->transport == VIR_STORAGE_NET_HOST_TRANS_UNIX &&
+ def->server->socket[0] != '/') {
+ virReportError(VIR_ERR_XML_ERROR,
+ _("backup socket path '%s' must be absolute"),
+ def->server->socket);
+ return NULL;
+ }
+ }
+
+ if ((n = virXPathNodeSet("./disks/*", ctxt, &nodes)) < 0)
+ return NULL;
+
+ def->disks = g_new0(virDomainBackupDiskDef, n);
+
+ def->ndisks = n;
+ for (i = 0; i < def->ndisks; i++) {
+ if (virDomainBackupDiskDefParseXML(nodes[i], ctxt,
+ &def->disks[i], push,
+ flags, xmlopt) < 0)
+ return NULL;
+ }
+
+ return g_steal_pointer(&def);
+}
+
+
+virDomainBackupDefPtr
+virDomainBackupDefParseString(const char *xmlStr,
+ virDomainXMLOptionPtr xmlopt,
+ unsigned int flags)
+{
+ virDomainBackupDefPtr ret = NULL;
+ g_autoptr(xmlDoc) xml = NULL;
+ int keepBlanksDefault = xmlKeepBlanksDefault(0);
+
+ if ((xml = virXMLParse(NULL, xmlStr, _("(domain_backup)")))) {
+ xmlKeepBlanksDefault(keepBlanksDefault);
+ ret = virDomainBackupDefParseNode(xml, xmlDocGetRootElement(xml),
+ xmlopt, flags);
+ }
+ xmlKeepBlanksDefault(keepBlanksDefault);
+
+ return ret;
+}
+
+
+virDomainBackupDefPtr
+virDomainBackupDefParseNode(xmlDocPtr xml,
+ xmlNodePtr root,
+ virDomainXMLOptionPtr xmlopt,
+ unsigned int flags)
+{
+ g_autoptr(xmlXPathContext) ctxt = NULL;
+ g_autofree char *schema = NULL;
+
+ if (!virXMLNodeNameEqual(root, "domainbackup")) {
+ virReportError(VIR_ERR_XML_ERROR, "%s", _("domainbackup"));
+ return NULL;
+ }
+
+ if (!(flags & VIR_DOMAIN_BACKUP_PARSE_INTERNAL)) {
+ if (!(schema = virFileFindResource("domainbackup.rng",
+ abs_top_srcdir "/docs/schemas",
+ PKGDATADIR "/schemas")))
+ return NULL;
+
+ if (virXMLValidateAgainstSchema(schema, xml) < 0)
+ return NULL;
+ }
+
+ if (!(ctxt = virXMLXPathContextNew(xml)))
+ return NULL;
+
+ ctxt->node = root;
+ return virDomainBackupDefParse(ctxt, xmlopt, flags);
+}
+
+
+static int
+virDomainBackupDiskDefFormat(virBufferPtr buf,
+ virDomainBackupDiskDefPtr disk,
+ bool push,
+ bool internal)
+{
+ g_auto(virBuffer) attrBuf = VIR_BUFFER_INITIALIZER;
+ g_auto(virBuffer) childBuf = VIR_BUFFER_INITIALIZER;
+ const char *sourcename = "scratch";
+ unsigned int storageSourceFormatFlags = 0;
+
+ if (push)
+ sourcename = "target";
+
+ if (internal)
+ storageSourceFormatFlags |= VIR_DOMAIN_DEF_FORMAT_STATUS;
+
+ virBufferSetChildIndent(&childBuf, buf);
+
+ virBufferEscapeString(&attrBuf, " name='%s'", disk->name);
+ virBufferAsprintf(&attrBuf, " backup='%s'", virTristateBoolTypeToString(disk->backup));
+ if (internal)
+ virBufferAsprintf(&attrBuf, " state='%s'", virDomainBackupDiskStateTypeToString(disk->state));
+
+ if (disk->backup == VIR_TRISTATE_BOOL_YES) {
+ virBufferAsprintf(&attrBuf, " type='%s'", virStorageTypeToString(disk->store->type));
+
+ if (disk->store->format > 0)
+ virBufferEscapeString(&childBuf, "<driver type='%s'/>\n",
+ virStorageFileFormatTypeToString(disk->store->format));
+
+ if (virDomainDiskSourceFormat(&childBuf, disk->store, sourcename,
+ 0, false, storageSourceFormatFlags, NULL) < 0)
+ return -1;
+ }
+
+ return virXMLFormatElement(buf, "disk", &attrBuf, &childBuf);
+}
+
+
+int
+virDomainBackupDefFormat(virBufferPtr buf,
+ virDomainBackupDefPtr def,
+ bool internal)
+{
+ g_auto(virBuffer) attrBuf = VIR_BUFFER_INITIALIZER;
+ g_auto(virBuffer) childBuf = VIR_BUFFER_INITIALIZER;
+ g_auto(virBuffer) serverAttrBuf = VIR_BUFFER_INITIALIZER;
+ g_auto(virBuffer) disksChildBuf = VIR_BUFFER_INITIALIZER;
+ size_t i;
+
+ virBufferSetChildIndent(&childBuf, buf);
+ virBufferSetChildIndent(&disksChildBuf, &childBuf);
+
+ virBufferAsprintf(&attrBuf, " mode='%s'", virDomainBackupTypeToString(def->type));
+ virBufferAsprintf(&attrBuf, " id='%d'", def->id);
+
+ virBufferEscapeString(&childBuf, "<incremental>%s</incremental>\n", def->incremental);
+
+ if (def->server) {
+ virBufferAsprintf(&serverAttrBuf, " transport='%s'",
+ virStorageNetHostTransportTypeToString(def->server->transport));
+ virBufferEscapeString(&serverAttrBuf, " name='%s'", def->server->name);
+ if (def->server->port)
+ virBufferAsprintf(&serverAttrBuf, " port='%u'", def->server->port);
+ virBufferEscapeString(&serverAttrBuf, " socket='%s'", def->server->socket);
+ }
+
+ if (virXMLFormatElement(&childBuf, "server", &serverAttrBuf, NULL) < 0)
+ return -1;
+
+ for (i = 0; i < def->ndisks; i++) {
+ if (virDomainBackupDiskDefFormat(&disksChildBuf, &def->disks[i],
+ def->type == VIR_DOMAIN_BACKUP_TYPE_PUSH,
+ internal) < 0)
+ return -1;
+ }
+
+ if (virXMLFormatElement(&childBuf, "disks", NULL, &disksChildBuf) < 0)
+ return -1;
+
+ if (virXMLFormatElement(buf, "domainbackup", &attrBuf, &childBuf) < 0)
+ return -1;
+
+ return 0;
+}
+
+
+static int
+virDomainBackupDefAssignStore(virDomainBackupDiskDefPtr disk,
+ virStorageSourcePtr src,
+ const char *suffix)
+{
+ if (virStorageSourceIsEmpty(src)) {
+ if (disk->store) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("disk '%s' has no media"), disk->name);
+ return -1;
+ }
+ } else if (src->readonly) {
+ if (disk->store) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("backup of readonly disk '%s' makes no sense"),
+ disk->name);
+ return -1;
+ }
+ } else if (!disk->store) {
+ if (virStorageSourceGetActualType(src) == VIR_STORAGE_TYPE_FILE) {
+ if (!(disk->store = virStorageSourceNew()))
+ return -1;
+
+ disk->store->type = VIR_STORAGE_TYPE_FILE;
+ disk->store->path = g_strdup_printf("%s.%s", src->path, suffix);
+ } else {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("refusing to generate file name for disk '%s'"),
+ disk->name);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+
+int
+virDomainBackupAlignDisks(virDomainBackupDefPtr def,
+ virDomainDefPtr dom,
+ const char *suffix)
+{
+ g_autoptr(virHashTable) disks = NULL;
+ size_t i;
+ int ndisks;
+ bool backup_all = false;
+
+
+ if (!(disks = virHashNew(NULL)))
+ return -1;
+
+ /* Unlikely to have a guest without disks but technically possible. */
+ if (!dom->ndisks) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("domain must have at least one disk to perform backup"));
+ return -1;
+ }
+
+ /* Double check requested disks. */
+ for (i = 0; i < def->ndisks; i++) {
+ virDomainBackupDiskDefPtr backupdisk = &def->disks[i];
+ virDomainDiskDefPtr domdisk;
+
+ if (!(domdisk = virDomainDiskByTarget(dom, backupdisk->name))) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("no disk named '%s'"), backupdisk->name);
+ return -1;
+ }
+
+ if (virHashAddEntry(disks, backupdisk->name, NULL) < 0) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("disk '%s' specified twice"),
+ backupdisk->name);
+ return -1;
+ }
+
+ if (backupdisk->backup == VIR_TRISTATE_BOOL_YES &&
+ virDomainBackupDefAssignStore(backupdisk, domdisk->src, suffix) < 0)
+ return -1;
+ }
+
+ if (def->ndisks == 0)
+ backup_all = true;
+
+ ndisks = def->ndisks;
+ if (VIR_EXPAND_N(def->disks, def->ndisks, dom->ndisks - def->ndisks) < 0)
+ return -1;
+
+ for (i = 0; i < dom->ndisks; i++) {
+ virDomainBackupDiskDefPtr backupdisk = NULL;
+ virDomainDiskDefPtr domdisk = dom->disks[i];
+
+ if (virHashHasEntry(disks, domdisk->dst))
+ continue;
+
+ backupdisk = &def->disks[ndisks++];
+
+ if (VIR_STRDUP(backupdisk->name, domdisk->dst) < 0)
+ return -1;
+
+ if (backup_all &&
+ !virStorageSourceIsEmpty(domdisk->src) &&
+ !domdisk->src->readonly) {
+ backupdisk->backup = VIR_TRISTATE_BOOL_YES;
+
+ if (virDomainBackupDefAssignStore(backupdisk, domdisk->src, suffix) < 0)
+ return -1;
+ } else {
+ backupdisk->backup = VIR_TRISTATE_BOOL_NO;
+ }
+ }
+
+ return 0;
+}
diff --git a/src/conf/backup_conf.h b/src/conf/backup_conf.h
new file mode 100644
index 0000000000..3be594b7da
--- /dev/null
+++ b/src/conf/backup_conf.h
@@ -0,0 +1,102 @@
+/*
+ * backup_conf.h: domain backup XML processing
+ * (based on domain_conf.h)
+ *
+ * Copyright (C) 2006-2019 Red Hat, Inc.
+ * Copyright (C) 2006-2008 Daniel P. Berrange
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "internal.h"
+#include "virconftypes.h"
+
+/* Items related to incremental backup state */
+
+typedef enum {
+ VIR_DOMAIN_BACKUP_TYPE_DEFAULT = 0,
+ VIR_DOMAIN_BACKUP_TYPE_PUSH,
+ VIR_DOMAIN_BACKUP_TYPE_PULL,
+
+ VIR_DOMAIN_BACKUP_TYPE_LAST
+} virDomainBackupType;
+
+typedef enum {
+ VIR_DOMAIN_BACKUP_DISK_STATE_NONE = 0,
+ VIR_DOMAIN_BACKUP_DISK_STATE_RUNNING,
+ VIR_DOMAIN_BACKUP_DISK_STATE_COMPLETE,
+ VIR_DOMAIN_BACKUP_DISK_STATE_FAILED,
+ VIR_DOMAIN_BACKUP_DISK_STATE_CANCELLING,
+ VIR_DOMAIN_BACKUP_DISK_STATE_CANCELLED,
+ VIR_DOMAIN_BACKUP_DISK_STATE_LAST
+} virDomainBackupDiskState;
+
+/* Stores disk-backup information */
+typedef struct _virDomainBackupDiskDef virDomainBackupDiskDef;
+typedef virDomainBackupDiskDef *virDomainBackupDiskDefPtr;
+struct _virDomainBackupDiskDef {
+ char *name; /* name matching the <target dev='...' of the domain */
+ virTristateBool backup; /* whether backup is requested */
+
+ /* details of target for push-mode, or of the scratch file for pull-mode */
+ virStorageSourcePtr store;
+
+ /* internal data */
+ virDomainBackupDiskState state;
+};
+
+/* Stores the complete backup metadata */
+typedef struct _virDomainBackupDef virDomainBackupDef;
+typedef virDomainBackupDef *virDomainBackupDefPtr;
+struct _virDomainBackupDef {
+ /* Public XML. */
+ int type; /* virDomainBackupType */
+ int id;
+ char *incremental;
+ virStorageNetHostDefPtr server; /* only when type == PULL */
+
+ size_t ndisks; /* should not exceed dom->ndisks */
+ virDomainBackupDiskDef *disks;
+};
+
+typedef enum {
+ VIR_DOMAIN_BACKUP_PARSE_INTERNAL = 1 << 0,
+} virDomainBackupParseFlags;
+
+virDomainBackupDefPtr
+virDomainBackupDefParseString(const char *xmlStr,
+ virDomainXMLOptionPtr xmlopt,
+ unsigned int flags);
+
+virDomainBackupDefPtr
+virDomainBackupDefParseNode(xmlDocPtr xml,
+ xmlNodePtr root,
+ virDomainXMLOptionPtr xmlopt,
+ unsigned int flags);
+void
+virDomainBackupDefFree(virDomainBackupDefPtr def);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(virDomainBackupDef, virDomainBackupDefFree);
+
+int
+virDomainBackupDefFormat(virBufferPtr buf,
+ virDomainBackupDefPtr def,
+ bool internal);
+int
+virDomainBackupAlignDisks(virDomainBackupDefPtr backup,
+ virDomainDefPtr dom,
+ const char *suffix);
diff --git a/src/conf/virconftypes.h b/src/conf/virconftypes.h
index 462842f324..9ed9b68b65 100644
--- a/src/conf/virconftypes.h
+++ b/src/conf/virconftypes.h
@@ -93,6 +93,9 @@ typedef virDomainABIStability *virDomainABIStabilityPtr;
typedef struct _virDomainActualNetDef virDomainActualNetDef;
typedef virDomainActualNetDef *virDomainActualNetDefPtr;
+typedef struct _virDomainBackupDef virDomainBackupDef;
+typedef virDomainBackupDef *virDomainBackupDefPtr;
+
typedef struct _virDomainBIOSDef virDomainBIOSDef;
typedef virDomainBIOSDef *virDomainBIOSDefPtr;
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index fdfe1e7295..b4deab520e 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -42,6 +42,14 @@ virAccessPermStorageVolTypeFromString;
virAccessPermStorageVolTypeToString;
+# conf/backup_conf.h
+virDomainBackupAlignDisks;
+virDomainBackupDefFormat;
+virDomainBackupDefFree;
+virDomainBackupDefParseNode;
+virDomainBackupDefParseString;
+
+
# conf/capabilities.h
virCapabilitiesAddGuest;
virCapabilitiesAddGuestDomain;
--
2.21.0
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