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568a6cda27
Since closeCallbacks were turned into virObjectLockable, we can no longer call virQEMUCloseCallbacks APIs from within a registered close callback.
307 lines
8.6 KiB
C
307 lines
8.6 KiB
C
/*
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* qemu_conf.h: QEMU configuration management
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*
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* Copyright (C) 2006-2007, 2009-2013 Red Hat, Inc.
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* Copyright (C) 2006 Daniel P. Berrange
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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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* Author: Daniel P. Berrange <berrange@redhat.com>
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*/
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#ifndef __QEMUD_CONF_H
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# define __QEMUD_CONF_H
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# include <config.h>
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# include "virebtables.h"
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# include "internal.h"
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# include "capabilities.h"
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# include "network_conf.h"
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# include "domain_conf.h"
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# include "domain_event.h"
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# include "virthread.h"
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# include "security/security_manager.h"
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# include "vircgroup.h"
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# include "virpci.h"
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# include "virusb.h"
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# include "cpu_conf.h"
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# include "driver.h"
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# include "virportallocator.h"
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# include "vircommand.h"
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# include "virthreadpool.h"
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# include "locking/lock_manager.h"
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# include "qemu_capabilities.h"
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# define QEMUD_CPUMASK_LEN CPU_SETSIZE
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typedef struct _virQEMUCloseCallbacks virQEMUCloseCallbacks;
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typedef virQEMUCloseCallbacks *virQEMUCloseCallbacksPtr;
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typedef struct _virQEMUDriver virQEMUDriver;
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typedef virQEMUDriver *virQEMUDriverPtr;
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typedef struct _virQEMUDriverConfig virQEMUDriverConfig;
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typedef virQEMUDriverConfig *virQEMUDriverConfigPtr;
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/* Main driver config. The data in these object
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* instances is immutable, so can be accessed
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* without locking. Threads must, however, hold
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* a valid reference on the object to prevent it
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* being released while they use it.
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*
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* eg
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* qemuDriverLock(driver);
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* virQEMUDriverConfigPtr cfg = virObjectRef(driver->config);
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* qemuDriverUnlock(driver);
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*
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* ...do stuff with 'cfg'..
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*
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* virObjectUnref(cfg);
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*/
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struct _virQEMUDriverConfig {
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virObject parent;
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bool privileged;
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const char *uri;
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uid_t user;
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gid_t group;
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int dynamicOwnership;
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int cgroupControllers;
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char **cgroupDeviceACL;
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/* These five directories are ones libvirtd uses (so must be root:root
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* to avoid security risk from QEMU processes */
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char *configBaseDir;
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char *configDir;
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char *autostartDir;
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char *logDir;
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char *stateDir;
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/* These two directories are ones QEMU processes use (so must match
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* the QEMU user/group */
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char *libDir;
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char *cacheDir;
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char *saveDir;
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char *snapshotDir;
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bool vncAutoUnixSocket;
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bool vncTLS;
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bool vncTLSx509verify;
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bool vncSASL;
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char *vncTLSx509certdir;
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char *vncListen;
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char *vncPassword;
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char *vncSASLdir;
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bool spiceTLS;
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char *spiceTLSx509certdir;
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char *spiceListen;
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char *spicePassword;
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int remotePortMin;
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int remotePortMax;
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char *hugetlbfsMount;
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char *hugepagePath;
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bool macFilter;
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bool relaxedACS;
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bool vncAllowHostAudio;
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bool clearEmulatorCapabilities;
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bool allowDiskFormatProbing;
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bool setProcessName;
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int maxProcesses;
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int maxFiles;
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int maxQueuedJobs;
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char **securityDriverNames;
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bool securityDefaultConfined;
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bool securityRequireConfined;
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char *saveImageFormat;
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char *dumpImageFormat;
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char *autoDumpPath;
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bool autoDumpBypassCache;
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bool autoStartBypassCache;
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char *lockManagerName;
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int keepAliveInterval;
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unsigned int keepAliveCount;
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int seccompSandbox;
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};
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/* Main driver state */
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struct _virQEMUDriver {
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virMutex lock;
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/* Require lock to get reference on 'config',
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* then lockless thereafter */
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virQEMUDriverConfigPtr config;
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/* Immutable pointer, self-locking APIs */
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virThreadPoolPtr workerPool;
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/* Atomic increment only */
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int nextvmid;
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/* Immutable pointer. Immutable object */
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virCgroupPtr cgroup;
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/* Atomic inc/dec only */
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unsigned int nactive;
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/* Immutable pointers. Caller must provide locking */
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virStateInhibitCallback inhibitCallback;
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void *inhibitOpaque;
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/* Immutable pointer, self-locking APIs */
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virDomainObjListPtr domains;
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/* Immutable pointer */
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char *qemuImgBinary;
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/* Immutable pointer, lockless APIs. Pointless abstraction */
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ebtablesContext *ebtables;
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/* Require lock to get a reference on the object,
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* lockless access thereafter
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*/
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virCapsPtr caps;
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/* Immutable pointer, self-locking APIs */
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virQEMUCapsCachePtr qemuCapsCache;
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/* Immutable pointer, self-locking APIs */
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virDomainEventStatePtr domainEventState;
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/* Immutable pointer. self-locking APIs */
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virSecurityManagerPtr securityManager;
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/* Immutable pointers. Requires locks to be held before
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* calling APIs. activePciHostdevs must be locked before
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* inactivePciHostdevs */
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virPCIDeviceListPtr activePciHostdevs;
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virPCIDeviceListPtr inactivePciHostdevs;
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virUSBDeviceListPtr activeUsbHostdevs;
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/* Immutable pointer. Unsafe APIs. XXX */
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virHashTablePtr sharedDisks;
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/* Immutable pointer, self-locking APIs */
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virPortAllocatorPtr remotePorts;
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/* Immutable pointer, lockless APIs*/
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virSysinfoDefPtr hostsysinfo;
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/* Immutable pointer. lockless access */
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virLockManagerPluginPtr lockManager;
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/* Immutable pointer, self-clocking APIs */
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virQEMUCloseCallbacksPtr closeCallbacks;
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};
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typedef struct _qemuDomainCmdlineDef qemuDomainCmdlineDef;
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typedef qemuDomainCmdlineDef *qemuDomainCmdlineDefPtr;
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struct _qemuDomainCmdlineDef {
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unsigned int num_args;
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char **args;
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unsigned int num_env;
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char **env_name;
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char **env_value;
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};
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/* Port numbers used for KVM migration. */
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# define QEMUD_MIGRATION_FIRST_PORT 49152
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# define QEMUD_MIGRATION_NUM_PORTS 64
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virQEMUDriverConfigPtr virQEMUDriverConfigNew(bool privileged);
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int virQEMUDriverConfigLoadFile(virQEMUDriverConfigPtr cfg,
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const char *filename);
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virQEMUDriverConfigPtr virQEMUDriverGetConfig(virQEMUDriverPtr driver);
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virCapsPtr virQEMUDriverCreateCapabilities(virQEMUDriverPtr driver);
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virCapsPtr virQEMUDriverGetCapabilities(virQEMUDriverPtr driver,
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bool refresh);
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struct qemuDomainDiskInfo {
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bool removable;
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bool locked;
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bool tray_open;
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int io_status;
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};
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/*
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* To avoid a certain deadlock this callback must never call any
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* virQEMUCloseCallbacks* API.
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*/
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typedef virDomainObjPtr (*virQEMUCloseCallback)(virQEMUDriverPtr driver,
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virDomainObjPtr vm,
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virConnectPtr conn);
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virQEMUCloseCallbacksPtr virQEMUCloseCallbacksNew(void);
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int virQEMUCloseCallbacksSet(virQEMUCloseCallbacksPtr closeCallbacks,
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virDomainObjPtr vm,
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virConnectPtr conn,
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virQEMUCloseCallback cb);
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int virQEMUCloseCallbacksUnset(virQEMUCloseCallbacksPtr closeCallbacks,
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virDomainObjPtr vm,
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virQEMUCloseCallback cb);
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virQEMUCloseCallback
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virQEMUCloseCallbacksGet(virQEMUCloseCallbacksPtr closeCallbacks,
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virDomainObjPtr vm,
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virConnectPtr conn);
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void virQEMUCloseCallbacksRun(virQEMUCloseCallbacksPtr closeCallbacks,
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virConnectPtr conn,
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virQEMUDriverPtr driver);
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typedef struct _qemuSharedDiskEntry qemuSharedDiskEntry;
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typedef qemuSharedDiskEntry *qemuSharedDiskEntryPtr;
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bool qemuSharedDiskEntryDomainExists(qemuSharedDiskEntryPtr entry,
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const char *name,
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int *index)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
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int qemuAddSharedDisk(virQEMUDriverPtr driver,
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virDomainDiskDefPtr disk,
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const char *name)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
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int qemuRemoveSharedDisk(virQEMUDriverPtr driver,
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virDomainDiskDefPtr disk,
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const char *name)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
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char * qemuGetSharedDiskKey(const char *disk_path)
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ATTRIBUTE_NONNULL(1);
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void qemuSharedDiskEntryFree(void *payload, const void *name)
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ATTRIBUTE_NONNULL(1);
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int qemuDriverAllocateID(virQEMUDriverPtr driver);
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#endif /* __QEMUD_CONF_H */
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