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Given a PID, the QEMU driver reads /proc/$PID/cmdline and /proc/$PID/environ to get the configuration. This is fed into the ARGV->XML convertor to build an XML configuration for the process. /proc/$PID/exe is resolved to identify the full command binary path After checking for name/uuid uniqueness, an attempt is made to connect to the monitor socket. If successful then 'info status' and 'info kvm' are issued to determine whether the CPUs are running and if KVM is enabled. * src/qemu/qemu_driver.c: Implement virDomainQemuAttach * src/qemu/qemu_process.h, src/qemu/qemu_process.c: Add qemuProcessAttach to connect to the monitor of an existing QEMU process
82 lines
3.2 KiB
C
82 lines
3.2 KiB
C
/*
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* qemu_process.c: QEMU process management
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*
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* Copyright (C) 2006-2011 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __QEMU_PROCESS_H__
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# define __QEMU_PROCESS_H__
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# include "qemu_conf.h"
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int qemuProcessPrepareMonitorChr(struct qemud_driver *driver,
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virDomainChrSourceDefPtr monConfig,
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const char *vm);
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int qemuProcessStartCPUs(struct qemud_driver *driver,
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virDomainObjPtr vm,
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virConnectPtr conn,
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virDomainRunningReason reason);
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int qemuProcessStopCPUs(struct qemud_driver *driver,
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virDomainObjPtr vm,
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virDomainPausedReason reason);
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void qemuProcessAutostartAll(struct qemud_driver *driver);
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void qemuProcessReconnectAll(virConnectPtr conn, struct qemud_driver *driver);
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int qemuProcessAssignPCIAddresses(virDomainDefPtr def);
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int qemuProcessStart(virConnectPtr conn,
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struct qemud_driver *driver,
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virDomainObjPtr vm,
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const char *migrateFrom,
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bool start_paused,
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bool autodestroy,
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int stdin_fd,
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const char *stdin_path,
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enum virVMOperationType vmop);
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void qemuProcessStop(struct qemud_driver *driver,
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virDomainObjPtr vm,
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int migrated,
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virDomainShutoffReason reason);
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int qemuProcessAttach(virConnectPtr conn,
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struct qemud_driver *driver,
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virDomainObjPtr vm,
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int pid,
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const char *pidfile,
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virDomainChrSourceDefPtr monConfig,
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bool monJSON);
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void qemuProcessKill(virDomainObjPtr vm);
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int qemuProcessAutoDestroyInit(struct qemud_driver *driver);
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void qemuProcessAutoDestroyRun(struct qemud_driver *driver,
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virConnectPtr conn);
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void qemuProcessAutoDestroyShutdown(struct qemud_driver *driver);
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int qemuProcessAutoDestroyAdd(struct qemud_driver *driver,
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virDomainObjPtr vm,
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virConnectPtr conn);
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int qemuProcessAutoDestroyRemove(struct qemud_driver *driver,
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virDomainObjPtr vm);
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bool qemuProcessAutoDestroyActive(struct qemud_driver *driver,
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virDomainObjPtr vm);
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#endif /* __QEMU_PROCESS_H__ */
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