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ad71665104
Introduce support for domainGetJobInfo to get info about the ongoing job. If the job is active it will update the timeElapsed which is computed with the "started" field added to struct libxlDomainJobObj. For now we support just the very basic info and all jobs have VIR_DOMAIN_JOB_UNBOUNDED (i.e. no completion time estimation) plus timeElapsed computed. Openstack Kilo uses the Job API to monitor live-migration progress which is currently nonexistent in libxl driver and therefore leads to a crash in the nova compute node. Right now, migration doesn't use jobs in the source node and will return VIR_DOMAIN_JOB_NONE. Though nova handles this case and will migrate it properly instead of crashing. Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
156 lines
4.7 KiB
C
156 lines
4.7 KiB
C
/*
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* libxl_domain.h: libxl domain object private state
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*
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* Copyright (C) 2011-2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
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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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* Authors:
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* Jim Fehlig <jfehlig@suse.com>
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*/
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#ifndef LIBXL_DOMAIN_H
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# define LIBXL_DOMAIN_H
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# include <libxl.h>
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# include "domain_conf.h"
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# include "libxl_conf.h"
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# include "virchrdev.h"
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# define JOB_MASK(job) (1 << (job - 1))
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# define DEFAULT_JOB_MASK \
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(JOB_MASK(LIBXL_JOB_DESTROY) | \
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JOB_MASK(LIBXL_JOB_ABORT))
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/* Only 1 job is allowed at any time
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* A job includes *all* libxl.so api, even those just querying
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* information, not merely actions */
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enum libxlDomainJob {
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LIBXL_JOB_NONE = 0, /* Always set to 0 for easy if (jobActive) conditions */
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LIBXL_JOB_QUERY, /* Doesn't change any state */
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LIBXL_JOB_DESTROY, /* Destroys the domain (cannot be masked out) */
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LIBXL_JOB_MODIFY, /* May change state */
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LIBXL_JOB_LAST
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};
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VIR_ENUM_DECL(libxlDomainJob)
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struct libxlDomainJobObj {
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virCond cond; /* Use to coordinate jobs */
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enum libxlDomainJob active; /* Currently running job */
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int owner; /* Thread which set current job */
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unsigned long long started; /* When the job started */
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virDomainJobInfoPtr current; /* Statistics for the current job */
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};
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typedef struct _libxlDomainObjPrivate libxlDomainObjPrivate;
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typedef libxlDomainObjPrivate *libxlDomainObjPrivatePtr;
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struct _libxlDomainObjPrivate {
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virObjectLockable parent;
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/* console */
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virChrdevsPtr devs;
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libxl_evgen_domain_death *deathW;
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unsigned short migrationPort;
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char *lockState;
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struct libxlDomainJobObj job;
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};
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extern virDomainXMLPrivateDataCallbacks libxlDomainXMLPrivateDataCallbacks;
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extern virDomainDefParserConfig libxlDomainDefParserConfig;
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extern const struct libxl_event_hooks ev_hooks;
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int
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libxlDomainObjPrivateInitCtx(virDomainObjPtr vm);
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int
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libxlDomainObjBeginJob(libxlDriverPrivatePtr driver,
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virDomainObjPtr obj,
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enum libxlDomainJob job)
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ATTRIBUTE_RETURN_CHECK;
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bool
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libxlDomainObjEndJob(libxlDriverPrivatePtr driver,
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virDomainObjPtr obj)
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ATTRIBUTE_RETURN_CHECK;
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int
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libxlDomainJobUpdateTime(struct libxlDomainJobObj *job)
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ATTRIBUTE_RETURN_CHECK;
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void
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libxlDomainEventQueue(libxlDriverPrivatePtr driver,
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virObjectEventPtr event);
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char *
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libxlDomainManagedSavePath(libxlDriverPrivatePtr driver,
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virDomainObjPtr vm);
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int
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libxlDomainSaveImageOpen(libxlDriverPrivatePtr driver,
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libxlDriverConfigPtr cfg,
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const char *from,
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virDomainDefPtr *ret_def,
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libxlSavefileHeaderPtr ret_hdr)
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ATTRIBUTE_NONNULL(4) ATTRIBUTE_NONNULL(5);
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int
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libxlDomainDestroyInternal(libxlDriverPrivatePtr driver,
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virDomainObjPtr vm);
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void
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libxlDomainCleanup(libxlDriverPrivatePtr driver,
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virDomainObjPtr vm);
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/*
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* Note: Xen 4.3 removed the const from the event handler signature.
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* Detect which signature to use based on
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* LIBXL_HAVE_NONCONST_EVENT_OCCURS_EVENT_ARG.
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*/
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# ifdef LIBXL_HAVE_NONCONST_EVENT_OCCURS_EVENT_ARG
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# define VIR_LIBXL_EVENT_CONST /* empty */
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# else
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# define VIR_LIBXL_EVENT_CONST const
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# endif
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void
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libxlDomainEventHandler(void *data,
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VIR_LIBXL_EVENT_CONST libxl_event *event);
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int
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libxlDomainAutoCoreDump(libxlDriverPrivatePtr driver,
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virDomainObjPtr vm);
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int
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libxlDomainSetVcpuAffinities(libxlDriverPrivatePtr driver,
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virDomainObjPtr vm);
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int
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libxlDomainStart(libxlDriverPrivatePtr driver,
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virDomainObjPtr vm,
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bool start_paused,
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int restore_fd);
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bool
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libxlDomainDefCheckABIStability(libxlDriverPrivatePtr driver,
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virDomainDefPtr src,
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virDomainDefPtr dst);
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#endif /* LIBXL_DOMAIN_H */
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