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f51cbe92c0
This allows: a) migration without access to network b) complete control of the migration stream c) easy migration between containerised libvirt daemons on the same host Resolves: https://bugzilla.redhat.com/1638889 Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
165 lines
5.1 KiB
C
165 lines
5.1 KiB
C
/*
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* qemu_migration_params.h: QEMU migration parameters handling
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*
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* Copyright (C) 2006-2018 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#include "internal.h"
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#include "virbuffer.h"
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#include "virxml.h"
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#include "qemu_monitor.h"
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#include "qemu_conf.h"
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#include "virenum.h"
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typedef enum {
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QEMU_MIGRATION_CAP_XBZRLE,
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QEMU_MIGRATION_CAP_AUTO_CONVERGE,
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QEMU_MIGRATION_CAP_RDMA_PIN_ALL,
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QEMU_MIGRATION_CAP_EVENTS,
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QEMU_MIGRATION_CAP_POSTCOPY,
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QEMU_MIGRATION_CAP_COMPRESS,
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QEMU_MIGRATION_CAP_PAUSE_BEFORE_SWITCHOVER,
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QEMU_MIGRATION_CAP_LATE_BLOCK_ACTIVATE,
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QEMU_MIGRATION_CAP_MULTIFD,
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QEMU_MIGRATION_CAP_LAST
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} qemuMigrationCapability;
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VIR_ENUM_DECL(qemuMigrationCapability);
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typedef enum {
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QEMU_MIGRATION_PARAM_COMPRESS_LEVEL,
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QEMU_MIGRATION_PARAM_COMPRESS_THREADS,
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QEMU_MIGRATION_PARAM_DECOMPRESS_THREADS,
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QEMU_MIGRATION_PARAM_THROTTLE_INITIAL,
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QEMU_MIGRATION_PARAM_THROTTLE_INCREMENT,
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QEMU_MIGRATION_PARAM_TLS_CREDS,
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QEMU_MIGRATION_PARAM_TLS_HOSTNAME,
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QEMU_MIGRATION_PARAM_MAX_BANDWIDTH,
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QEMU_MIGRATION_PARAM_DOWNTIME_LIMIT,
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QEMU_MIGRATION_PARAM_BLOCK_INCREMENTAL,
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QEMU_MIGRATION_PARAM_XBZRLE_CACHE_SIZE,
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QEMU_MIGRATION_PARAM_MAX_POSTCOPY_BANDWIDTH,
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QEMU_MIGRATION_PARAM_MULTIFD_CHANNELS,
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QEMU_MIGRATION_PARAM_LAST
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} qemuMigrationParam;
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typedef struct _qemuMigrationParams qemuMigrationParams;
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typedef qemuMigrationParams *qemuMigrationParamsPtr;
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typedef enum {
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QEMU_MIGRATION_SOURCE = (1 << 0),
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QEMU_MIGRATION_DESTINATION = (1 << 1),
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} qemuMigrationParty;
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virBitmapPtr
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qemuMigrationParamsGetAlwaysOnCaps(qemuMigrationParty party);
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qemuMigrationParamsPtr
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qemuMigrationParamsFromFlags(virTypedParameterPtr params,
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int nparams,
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unsigned long flags,
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qemuMigrationParty party);
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int
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qemuMigrationParamsDump(qemuMigrationParamsPtr migParams,
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virTypedParameterPtr *params,
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int *nparams,
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int *maxparams,
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unsigned long *flags);
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qemuMigrationParamsPtr
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qemuMigrationParamsNew(void);
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void
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qemuMigrationParamsFree(qemuMigrationParamsPtr migParams);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(qemuMigrationParams, qemuMigrationParamsFree);
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int
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qemuMigrationParamsApply(virQEMUDriverPtr driver,
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virDomainObjPtr vm,
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int asyncJob,
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qemuMigrationParamsPtr migParams);
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int
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qemuMigrationParamsEnableTLS(virQEMUDriverPtr driver,
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virDomainObjPtr vm,
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bool tlsListen,
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int asyncJob,
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char **tlsAlias,
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const char *hostname,
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qemuMigrationParamsPtr migParams);
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int
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qemuMigrationParamsDisableTLS(virDomainObjPtr vm,
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qemuMigrationParamsPtr migParams);
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bool
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qemuMigrationParamsTLSHostnameIsSet(qemuMigrationParamsPtr migParams);
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int
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qemuMigrationParamsFetch(virQEMUDriverPtr driver,
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virDomainObjPtr vm,
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int asyncJob,
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qemuMigrationParamsPtr *migParams);
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int
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qemuMigrationParamsSetULL(qemuMigrationParamsPtr migParams,
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qemuMigrationParam param,
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unsigned long long value);
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int
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qemuMigrationParamsGetULL(qemuMigrationParamsPtr migParams,
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qemuMigrationParam param,
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unsigned long long *value);
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int
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qemuMigrationParamsCheck(virQEMUDriverPtr driver,
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virDomainObjPtr vm,
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int asyncJob,
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qemuMigrationParamsPtr migParams,
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virBitmapPtr remoteCaps);
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void
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qemuMigrationParamsReset(virQEMUDriverPtr driver,
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virDomainObjPtr vm,
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int asyncJob,
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qemuMigrationParamsPtr origParams,
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unsigned long apiFlags);
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void
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qemuMigrationParamsFormat(virBufferPtr buf,
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qemuMigrationParamsPtr migParams);
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int
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qemuMigrationParamsParse(xmlXPathContextPtr ctxt,
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qemuMigrationParamsPtr *migParams);
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int
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qemuMigrationCapsCheck(virQEMUDriverPtr driver,
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virDomainObjPtr vm,
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int asyncJob);
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bool
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qemuMigrationCapsGet(virDomainObjPtr vm,
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qemuMigrationCapability cap);
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