mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-10-13 09:39:17 +00:00
49186372db
Adds new typed param for migration and uses this as a UNIX socket path that should be used for the NBD part of migration. And also adds virsh support. Partially resolves: https://bugzilla.redhat.com/1638889 Signed-off-by: Martin Kletzander <mkletzan@redhat.com> Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
261 lines
9.5 KiB
C
261 lines
9.5 KiB
C
/*
|
|
* qemu_migration.h: QEMU migration handling
|
|
*
|
|
* Copyright (C) 2006-2011, 2014 Red Hat, Inc.
|
|
*
|
|
* 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 "qemu_conf.h"
|
|
#include "qemu_domain.h"
|
|
#include "qemu_migration_params.h"
|
|
#include "virenum.h"
|
|
|
|
/*
|
|
* General function naming conventions:
|
|
*
|
|
* - qemuMigrationSrcXXX - only runs on source host
|
|
* - qemuMigrationDstXXX - only runs on dest host
|
|
* - qemuMigrationAnyXXX - runs on source or dest host
|
|
*
|
|
* Exceptions:
|
|
*
|
|
* - qemuMigrationOptionXXX - runs on source or dest host
|
|
* - qemuMigrationJobXXX - runs on source or dest host
|
|
*/
|
|
|
|
/* All supported qemu migration flags. */
|
|
#define QEMU_MIGRATION_FLAGS \
|
|
(VIR_MIGRATE_LIVE | \
|
|
VIR_MIGRATE_PEER2PEER | \
|
|
VIR_MIGRATE_TUNNELLED | \
|
|
VIR_MIGRATE_PERSIST_DEST | \
|
|
VIR_MIGRATE_UNDEFINE_SOURCE | \
|
|
VIR_MIGRATE_PAUSED | \
|
|
VIR_MIGRATE_NON_SHARED_DISK | \
|
|
VIR_MIGRATE_NON_SHARED_INC | \
|
|
VIR_MIGRATE_CHANGE_PROTECTION | \
|
|
VIR_MIGRATE_UNSAFE | \
|
|
VIR_MIGRATE_OFFLINE | \
|
|
VIR_MIGRATE_COMPRESSED | \
|
|
VIR_MIGRATE_ABORT_ON_ERROR | \
|
|
VIR_MIGRATE_AUTO_CONVERGE | \
|
|
VIR_MIGRATE_RDMA_PIN_ALL | \
|
|
VIR_MIGRATE_POSTCOPY | \
|
|
VIR_MIGRATE_TLS | \
|
|
VIR_MIGRATE_PARALLEL | \
|
|
0)
|
|
|
|
/* All supported migration parameters and their types. */
|
|
#define QEMU_MIGRATION_PARAMETERS \
|
|
VIR_MIGRATE_PARAM_URI, VIR_TYPED_PARAM_STRING, \
|
|
VIR_MIGRATE_PARAM_DEST_NAME, VIR_TYPED_PARAM_STRING, \
|
|
VIR_MIGRATE_PARAM_DEST_XML, VIR_TYPED_PARAM_STRING, \
|
|
VIR_MIGRATE_PARAM_BANDWIDTH, VIR_TYPED_PARAM_ULLONG, \
|
|
VIR_MIGRATE_PARAM_GRAPHICS_URI, VIR_TYPED_PARAM_STRING, \
|
|
VIR_MIGRATE_PARAM_LISTEN_ADDRESS, VIR_TYPED_PARAM_STRING, \
|
|
VIR_MIGRATE_PARAM_MIGRATE_DISKS, VIR_TYPED_PARAM_STRING | \
|
|
VIR_TYPED_PARAM_MULTIPLE, \
|
|
VIR_MIGRATE_PARAM_DISKS_PORT, VIR_TYPED_PARAM_INT, \
|
|
VIR_MIGRATE_PARAM_COMPRESSION, VIR_TYPED_PARAM_STRING | \
|
|
VIR_TYPED_PARAM_MULTIPLE, \
|
|
VIR_MIGRATE_PARAM_COMPRESSION_MT_LEVEL, VIR_TYPED_PARAM_INT, \
|
|
VIR_MIGRATE_PARAM_COMPRESSION_MT_THREADS, VIR_TYPED_PARAM_INT, \
|
|
VIR_MIGRATE_PARAM_COMPRESSION_MT_DTHREADS, VIR_TYPED_PARAM_INT, \
|
|
VIR_MIGRATE_PARAM_COMPRESSION_XBZRLE_CACHE, VIR_TYPED_PARAM_ULLONG, \
|
|
VIR_MIGRATE_PARAM_PERSIST_XML, VIR_TYPED_PARAM_STRING, \
|
|
VIR_MIGRATE_PARAM_AUTO_CONVERGE_INITIAL, VIR_TYPED_PARAM_INT, \
|
|
VIR_MIGRATE_PARAM_AUTO_CONVERGE_INCREMENT, VIR_TYPED_PARAM_INT, \
|
|
VIR_MIGRATE_PARAM_BANDWIDTH_POSTCOPY, VIR_TYPED_PARAM_ULLONG, \
|
|
VIR_MIGRATE_PARAM_PARALLEL_CONNECTIONS, VIR_TYPED_PARAM_INT, \
|
|
VIR_MIGRATE_PARAM_TLS_DESTINATION, VIR_TYPED_PARAM_STRING, \
|
|
VIR_MIGRATE_PARAM_DISKS_URI, VIR_TYPED_PARAM_STRING, \
|
|
NULL
|
|
|
|
|
|
typedef enum {
|
|
QEMU_MIGRATION_PHASE_NONE = 0,
|
|
QEMU_MIGRATION_PHASE_PERFORM2,
|
|
QEMU_MIGRATION_PHASE_BEGIN3,
|
|
QEMU_MIGRATION_PHASE_PERFORM3,
|
|
QEMU_MIGRATION_PHASE_PERFORM3_DONE,
|
|
QEMU_MIGRATION_PHASE_CONFIRM3_CANCELLED,
|
|
QEMU_MIGRATION_PHASE_CONFIRM3,
|
|
QEMU_MIGRATION_PHASE_PREPARE,
|
|
QEMU_MIGRATION_PHASE_FINISH2,
|
|
QEMU_MIGRATION_PHASE_FINISH3,
|
|
|
|
QEMU_MIGRATION_PHASE_LAST
|
|
} qemuMigrationJobPhase;
|
|
VIR_ENUM_DECL(qemuMigrationJobPhase);
|
|
|
|
char *
|
|
qemuMigrationSrcBegin(virConnectPtr conn,
|
|
virDomainObjPtr vm,
|
|
const char *xmlin,
|
|
const char *dname,
|
|
char **cookieout,
|
|
int *cookieoutlen,
|
|
size_t nmigrate_disks,
|
|
const char **migrate_disks,
|
|
unsigned long flags);
|
|
|
|
virDomainDefPtr
|
|
qemuMigrationAnyPrepareDef(virQEMUDriverPtr driver,
|
|
virQEMUCapsPtr qemuCaps,
|
|
const char *dom_xml,
|
|
const char *dname,
|
|
char **origname);
|
|
|
|
int
|
|
qemuMigrationDstPrepareTunnel(virQEMUDriverPtr driver,
|
|
virConnectPtr dconn,
|
|
const char *cookiein,
|
|
int cookieinlen,
|
|
char **cookieout,
|
|
int *cookieoutlen,
|
|
virStreamPtr st,
|
|
virDomainDefPtr *def,
|
|
const char *origname,
|
|
qemuMigrationParamsPtr migParams,
|
|
unsigned long flags);
|
|
|
|
int
|
|
qemuMigrationDstPrepareDirect(virQEMUDriverPtr driver,
|
|
virConnectPtr dconn,
|
|
const char *cookiein,
|
|
int cookieinlen,
|
|
char **cookieout,
|
|
int *cookieoutlen,
|
|
const char *uri_in,
|
|
char **uri_out,
|
|
virDomainDefPtr *def,
|
|
const char *origname,
|
|
const char *listenAddress,
|
|
size_t nmigrate_disks,
|
|
const char **migrate_disks,
|
|
int nbdPort,
|
|
const char *nbdURI,
|
|
qemuMigrationParamsPtr migParams,
|
|
unsigned long flags);
|
|
|
|
int
|
|
qemuMigrationSrcPerform(virQEMUDriverPtr driver,
|
|
virConnectPtr conn,
|
|
virDomainObjPtr vm,
|
|
const char *xmlin,
|
|
const char *persist_xml,
|
|
const char *dconnuri,
|
|
const char *uri,
|
|
const char *graphicsuri,
|
|
const char *listenAddress,
|
|
size_t nmigrate_disks,
|
|
const char **migrate_disks,
|
|
int nbdPort,
|
|
const char *nbdURI,
|
|
qemuMigrationParamsPtr migParams,
|
|
const char *cookiein,
|
|
int cookieinlen,
|
|
char **cookieout,
|
|
int *cookieoutlen,
|
|
unsigned long flags,
|
|
const char *dname,
|
|
unsigned long resource,
|
|
bool v3proto);
|
|
|
|
virDomainPtr
|
|
qemuMigrationDstFinish(virQEMUDriverPtr driver,
|
|
virConnectPtr dconn,
|
|
virDomainObjPtr vm,
|
|
const char *cookiein,
|
|
int cookieinlen,
|
|
char **cookieout,
|
|
int *cookieoutlen,
|
|
unsigned long flags,
|
|
int retcode,
|
|
bool v3proto);
|
|
|
|
int
|
|
qemuMigrationSrcConfirm(virQEMUDriverPtr driver,
|
|
virDomainObjPtr vm,
|
|
const char *cookiein,
|
|
int cookieinlen,
|
|
unsigned int flags,
|
|
int cancelled);
|
|
|
|
bool
|
|
qemuMigrationSrcIsAllowed(virQEMUDriverPtr driver,
|
|
virDomainObjPtr vm,
|
|
bool remote,
|
|
unsigned int flags);
|
|
|
|
int
|
|
qemuMigrationSrcToFile(virQEMUDriverPtr driver,
|
|
virDomainObjPtr vm,
|
|
int fd,
|
|
virCommandPtr compressor,
|
|
qemuDomainAsyncJob asyncJob)
|
|
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) G_GNUC_WARN_UNUSED_RESULT;
|
|
|
|
int
|
|
qemuMigrationSrcCancel(virQEMUDriverPtr driver,
|
|
virDomainObjPtr vm);
|
|
|
|
int
|
|
qemuMigrationAnyFetchStats(virQEMUDriverPtr driver,
|
|
virDomainObjPtr vm,
|
|
qemuDomainAsyncJob asyncJob,
|
|
qemuDomainJobInfoPtr jobInfo,
|
|
char **error);
|
|
|
|
int
|
|
qemuMigrationDstErrorInit(virQEMUDriverPtr driver);
|
|
|
|
void
|
|
qemuMigrationDstErrorSave(virQEMUDriverPtr driver,
|
|
const char *name,
|
|
virErrorPtr err);
|
|
|
|
void
|
|
qemuMigrationDstErrorReport(virQEMUDriverPtr driver,
|
|
const char *name);
|
|
|
|
int
|
|
qemuMigrationDstCheckProtocol(virQEMUCapsPtr qemuCaps,
|
|
const char *migrateFrom);
|
|
|
|
char *
|
|
qemuMigrationDstGetURI(const char *migrateFrom,
|
|
int migrateFd);
|
|
|
|
int
|
|
qemuMigrationDstRun(virQEMUDriverPtr driver,
|
|
virDomainObjPtr vm,
|
|
const char *uri,
|
|
qemuDomainAsyncJob asyncJob);
|
|
|
|
void
|
|
qemuMigrationAnyPostcopyFailed(virQEMUDriverPtr driver,
|
|
virDomainObjPtr vm);
|
|
|
|
int
|
|
qemuMigrationSrcFetchMirrorStats(virQEMUDriverPtr driver,
|
|
virDomainObjPtr vm,
|
|
qemuDomainAsyncJob asyncJob,
|
|
qemuDomainJobInfoPtr jobInfo);
|