libvirt/src/libxl/libxl_domain.h
Jim Fehlig 9b8d6e1eef libxl: add migration support
This patch adds initial migration support to the libxl driver,
using the VIR_DRV_FEATURE_MIGRATION_PARAMS family of migration
functions.

Signed-off-by: Jim Fehlig <jfehlig@suse.com>
2014-06-04 21:01:07 -06:00

149 lines
4.5 KiB
C

/*
* libxl_domain.h: libxl domain object private state
*
* Copyright (C) 2011-2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
*
* 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/>.
*
* Authors:
* Jim Fehlig <jfehlig@suse.com>
*/
#ifndef LIBXL_DOMAIN_H
# define LIBXL_DOMAIN_H
# include <libxl.h>
# include "domain_conf.h"
# include "libxl_conf.h"
# include "virchrdev.h"
# define JOB_MASK(job) (1 << (job - 1))
# define DEFAULT_JOB_MASK \
(JOB_MASK(LIBXL_JOB_DESTROY) | \
JOB_MASK(LIBXL_JOB_ABORT))
/* Only 1 job is allowed at any time
* A job includes *all* libxl.so api, even those just querying
* information, not merely actions */
enum libxlDomainJob {
LIBXL_JOB_NONE = 0, /* Always set to 0 for easy if (jobActive) conditions */
LIBXL_JOB_QUERY, /* Doesn't change any state */
LIBXL_JOB_DESTROY, /* Destroys the domain (cannot be masked out) */
LIBXL_JOB_MODIFY, /* May change state */
LIBXL_JOB_LAST
};
VIR_ENUM_DECL(libxlDomainJob)
struct libxlDomainJobObj {
virCond cond; /* Use to coordinate jobs */
enum libxlDomainJob active; /* Currently running job */
int owner; /* Thread which set current job */
};
typedef struct _libxlDomainObjPrivate libxlDomainObjPrivate;
typedef libxlDomainObjPrivate *libxlDomainObjPrivatePtr;
struct _libxlDomainObjPrivate {
virObjectLockable parent;
/* per domain log stream for libxl messages */
FILE *logger_file;
xentoollog_logger *logger;
/* per domain libxl ctx */
libxl_ctx *ctx;
/* console */
virChrdevsPtr devs;
libxl_evgen_domain_death *deathW;
libxlDriverPrivatePtr driver;
unsigned short migrationPort;
struct libxlDomainJobObj job;
};
extern virDomainXMLPrivateDataCallbacks libxlDomainXMLPrivateDataCallbacks;
extern virDomainDefParserConfig libxlDomainDefParserConfig;
extern const struct libxl_event_hooks ev_hooks;
int
libxlDomainObjPrivateInitCtx(virDomainObjPtr vm);
int
libxlDomainObjBeginJob(libxlDriverPrivatePtr driver,
virDomainObjPtr obj,
enum libxlDomainJob job)
ATTRIBUTE_RETURN_CHECK;
bool
libxlDomainObjEndJob(libxlDriverPrivatePtr driver,
virDomainObjPtr obj)
ATTRIBUTE_RETURN_CHECK;
void
libxlDomainEventQueue(libxlDriverPrivatePtr driver,
virObjectEventPtr event);
char *
libxlDomainManagedSavePath(libxlDriverPrivatePtr driver,
virDomainObjPtr vm);
int
libxlDomainSaveImageOpen(libxlDriverPrivatePtr driver,
libxlDriverConfigPtr cfg,
const char *from,
virDomainDefPtr *ret_def,
libxlSavefileHeaderPtr ret_hdr)
ATTRIBUTE_NONNULL(4) ATTRIBUTE_NONNULL(5);
void
libxlDomainCleanup(libxlDriverPrivatePtr driver,
virDomainObjPtr vm,
virDomainShutoffReason reason);
bool
libxlDomainCleanupJob(libxlDriverPrivatePtr driver,
virDomainObjPtr vm,
virDomainShutoffReason reason);
int
libxlDomainEventsRegister(libxlDriverPrivatePtr driver,
virDomainObjPtr vm);
int
libxlDomainAutoCoreDump(libxlDriverPrivatePtr driver,
virDomainObjPtr vm);
int
libxlDomainSetVcpuAffinities(libxlDriverPrivatePtr driver,
virDomainObjPtr vm);
int
libxlDomainFreeMem(libxlDomainObjPrivatePtr priv,
libxl_domain_config *d_config);
int
libxlDomainStart(libxlDriverPrivatePtr driver,
virDomainObjPtr vm,
bool start_paused,
int restore_fd);
bool
libxlDomainDefCheckABIStability(libxlDriverPrivatePtr driver,
virDomainDefPtr src,
virDomainDefPtr dst);
#endif /* LIBXL_DOMAIN_H */