2009-09-22 12:48:40 -05:00
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/*
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* qemu_monitor_text.h: interaction with QEMU monitor console
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*
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2012-02-17 15:55:35 -06:00
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* Copyright (C) 2006-2009, 2011-2012 Red Hat, Inc.
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2009-09-22 12:48:40 -05:00
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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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2012-09-20 17:30:55 -05:00
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* License along with this library. If not, see
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2012-07-21 05:06:23 -05:00
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* <http://www.gnu.org/licenses/>.
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2009-09-22 12:48:40 -05:00
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*
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* Author: Daniel P. Berrange <berrange@redhat.com>
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*/
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#ifndef QEMU_MONITOR_TEXT_H
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2010-03-09 12:22:22 -06:00
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# define QEMU_MONITOR_TEXT_H
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2009-09-22 12:48:40 -05:00
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2010-03-09 12:22:22 -06:00
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# include "internal.h"
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2009-09-22 12:48:40 -05:00
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2010-03-09 12:22:22 -06:00
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# include "qemu_monitor.h"
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2009-10-09 15:13:06 -05:00
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Fully asynchronous monitor I/O processing
Change the QEMU monitor file handle watch to poll for both
read & write events, as well as EOF. All I/O to/from the
QEMU monitor FD is now done in the event callback thread.
When the QEMU driver needs to send a command, it puts the
data to be sent into a qemuMonitorMessagePtr object instance,
queues it for dispatch, and then goes to sleep on a condition
variable. The event thread sends all the data, and then waits
for the reply to arrive, putting the response / error data
back into the qemuMonitorMessagePtr and notifying the condition
variable.
There is a temporary hack in the disk passphrase callback to
avoid acquiring the domain lock. This avoids a deadlock in
the command processing, since the domain lock is still held
when running monitor commands. The next commit will remove
the locking when running commands & thus allow re-introduction
of locking the disk passphrase callback
* src/qemu/qemu_driver.c: Temporarily don't acquire lock in
disk passphrase callback. To be reverted in next commit
* src/qemu/qemu_monitor.c, src/qemu/qemu_monitor.h: Remove
raw I/O functions, and a generic qemuMonitorSend() for
invoking a command
* src/qemu/qemu_monitor_text.c, src/qemu/qemu_monitor_text.h:
Remove all low level I/O, and use the new qemuMonitorSend()
API. Provide a qemuMonitorTextIOProcess() method for detecting
command/reply/prompt boundaries in the monitor data stream
2009-10-14 12:40:51 -05:00
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int qemuMonitorTextIOProcess(qemuMonitorPtr mon,
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const char *data,
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size_t len,
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qemuMonitorMessagePtr msg);
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2011-03-09 14:24:04 -06:00
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int qemuMonitorTextCommandWithFd(qemuMonitorPtr mon,
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const char *cmd,
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int scm_fd,
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char **reply);
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2018-02-09 09:40:51 -06:00
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int qemuMonitorTextStartCPUs(qemuMonitorPtr mon);
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2009-10-09 15:13:06 -05:00
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int qemuMonitorTextStopCPUs(qemuMonitorPtr mon);
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2011-09-27 04:42:04 -05:00
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int qemuMonitorTextGetStatus(qemuMonitorPtr mon,
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bool *running,
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virDomainPausedReason *reason);
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2009-10-09 15:13:06 -05:00
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int qemuMonitorTextSystemPowerdown(qemuMonitorPtr mon);
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2011-06-15 11:49:58 -05:00
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int qemuMonitorTextSystemReset(qemuMonitorPtr mon);
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2009-10-09 15:13:06 -05:00
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2016-07-08 08:36:27 -05:00
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int qemuMonitorTextQueryCPUs(qemuMonitorPtr mon,
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2016-08-01 06:44:25 -05:00
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struct qemuMonitorQueryCpusEntry **entries,
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size_t *nentries);
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2011-06-17 09:31:45 -05:00
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int qemuMonitorTextGetVirtType(qemuMonitorPtr mon,
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2015-09-17 03:46:56 -05:00
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virDomainVirtType *virtType);
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2009-10-09 15:13:06 -05:00
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int qemuMonitorTextGetBalloonInfo(qemuMonitorPtr mon,
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2012-03-02 14:27:39 -06:00
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unsigned long long *currmem);
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2009-12-20 06:36:28 -06:00
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int qemuMonitorTextGetMemoryStats(qemuMonitorPtr mon,
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virDomainMemoryStatPtr stats,
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unsigned int nr_stats);
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2011-09-13 08:49:50 -05:00
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int qemuMonitorTextGetBlockInfo(qemuMonitorPtr mon,
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2012-01-18 15:01:30 -06:00
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virHashTablePtr table);
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2015-03-09 11:23:49 -05:00
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int qemuMonitorTextGetAllBlockStatsInfo(qemuMonitorPtr mon,
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virHashTablePtr hash);
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2011-11-29 01:34:53 -06:00
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int qemuMonitorTextBlockResize(qemuMonitorPtr mon,
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const char *device,
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unsigned long long size);
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2009-10-09 15:13:06 -05:00
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int qemuMonitorTextSetVNCPassword(qemuMonitorPtr mon,
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const char *password);
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2011-01-10 05:12:32 -06:00
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int qemuMonitorTextSetPassword(qemuMonitorPtr mon,
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const char *protocol,
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const char *password,
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const char *action_if_connected);
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int qemuMonitorTextExpirePassword(qemuMonitorPtr mon,
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const char *protocol,
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const char *expire_time);
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2009-10-09 15:13:06 -05:00
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int qemuMonitorTextSetBalloon(qemuMonitorPtr mon,
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2015-05-27 07:03:17 -05:00
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unsigned long long newmem);
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2013-05-27 08:35:35 -05:00
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int qemuMonitorTextSetCPU(qemuMonitorPtr mon, int cpu, bool online);
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2009-10-09 15:13:06 -05:00
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int qemuMonitorTextEjectMedia(qemuMonitorPtr mon,
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2011-09-16 07:05:58 -05:00
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const char *dev_name,
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2010-11-08 11:52:48 -06:00
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bool force);
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2009-10-09 15:13:06 -05:00
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int qemuMonitorTextChangeMedia(qemuMonitorPtr mon,
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2011-09-16 07:05:58 -05:00
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const char *dev_name,
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2009-11-26 07:48:17 -06:00
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const char *newmedia,
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const char *format);
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2009-10-09 15:13:06 -05:00
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int qemuMonitorTextSaveVirtualMemory(qemuMonitorPtr mon,
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unsigned long long offset,
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size_t length,
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const char *path);
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int qemuMonitorTextSavePhysicalMemory(qemuMonitorPtr mon,
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unsigned long long offset,
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size_t length,
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const char *path);
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int qemuMonitorTextSetMigrationSpeed(qemuMonitorPtr mon,
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unsigned long bandwidth);
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2010-03-17 10:53:14 -05:00
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int qemuMonitorTextSetMigrationDowntime(qemuMonitorPtr mon,
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unsigned long long downtime);
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2015-11-26 06:23:08 -06:00
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int qemuMonitorTextGetMigrationStats(qemuMonitorPtr mon,
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qemuMonitorMigrationStatsPtr stats);
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2009-10-09 15:13:06 -05:00
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2011-03-04 12:51:48 -06:00
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int qemuMonitorTextMigrate(qemuMonitorPtr mon,
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unsigned int flags,
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const char *uri);
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2009-10-09 15:13:06 -05:00
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int qemuMonitorTextMigrateCancel(qemuMonitorPtr mon);
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2011-02-17 07:39:36 -06:00
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int qemuMonitorTextGraphicsRelocate(qemuMonitorPtr mon,
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int type,
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const char *hostname,
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int port,
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int tlsPort,
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const char *tlsSubject);
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2009-10-09 15:13:06 -05:00
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int qemuMonitorTextSendFileHandle(qemuMonitorPtr mon,
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const char *fdname,
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int fd);
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int qemuMonitorTextCloseFileHandle(qemuMonitorPtr mon,
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const char *fdname);
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2010-04-15 08:52:03 -05:00
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int qemuMonitorTextAddNetdev(qemuMonitorPtr mon,
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const char *netdevstr);
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int qemuMonitorTextRemoveNetdev(qemuMonitorPtr mon,
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const char *alias);
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2014-11-13 09:17:21 -06:00
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int qemuMonitorTextGetChardevInfo(qemuMonitorPtr mon,
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virHashTablePtr info);
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2009-12-14 03:50:01 -06:00
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2010-01-26 09:34:46 -06:00
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int qemuMonitorTextAddDevice(qemuMonitorPtr mon,
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const char *devicestr);
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2010-03-02 02:40:51 -06:00
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int qemuMonitorTextDelDevice(qemuMonitorPtr mon,
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2010-04-14 09:36:42 -05:00
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const char *devalias);
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2010-03-02 02:40:51 -06:00
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2010-01-26 09:34:46 -06:00
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int qemuMonitorTextAddDrive(qemuMonitorPtr mon,
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const char *drivestr);
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2010-12-08 15:30:12 -06:00
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int qemuMonitorTextDriveDel(qemuMonitorPtr mon,
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2010-10-22 09:14:22 -05:00
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const char *drivestr);
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2010-02-11 08:28:16 -06:00
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int qemuMonitorTextSetDrivePassphrase(qemuMonitorPtr mon,
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const char *alias,
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const char *passphrase);
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2010-04-02 09:10:37 -05:00
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int qemuMonitorTextCreateSnapshot(qemuMonitorPtr mon, const char *name);
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int qemuMonitorTextLoadSnapshot(qemuMonitorPtr mon, const char *name);
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int qemuMonitorTextDeleteSnapshot(qemuMonitorPtr mon, const char *name);
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2010-04-16 21:12:45 -05:00
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int qemuMonitorTextArbitraryCommand(qemuMonitorPtr mon, const char *cmd,
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char **reply);
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2011-05-10 03:26:06 -05:00
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int qemuMonitorTextInjectNMI(qemuMonitorPtr mon);
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2011-04-01 01:23:58 -05:00
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2011-07-21 02:55:56 -05:00
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int qemuMonitorTextSendKey(qemuMonitorPtr mon,
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unsigned int holdtime,
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unsigned int *keycodes,
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unsigned int nkeycodes);
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2011-04-01 01:23:58 -05:00
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int qemuMonitorTextScreendump(qemuMonitorPtr mon, const char *file);
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2011-09-06 03:18:57 -05:00
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int qemuMonitorTextSetLink(qemuMonitorPtr mon,
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const char *name,
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2014-05-31 19:22:30 -05:00
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virDomainNetInterfaceLinkState state);
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2011-09-06 03:18:57 -05:00
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2011-10-21 03:00:13 -05:00
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int qemuMonitorTextOpenGraphics(qemuMonitorPtr mon,
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const char *protocol,
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const char *fdname,
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bool skipauth);
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2011-11-15 03:02:45 -06:00
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int qemuMonitorTextSetBlockIoThrottle(qemuMonitorPtr mon,
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const char *device,
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virDomainBlockIoTuneInfoPtr info);
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int qemuMonitorTextGetBlockIoThrottle(qemuMonitorPtr mon,
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const char *device,
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virDomainBlockIoTuneInfoPtr reply);
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2009-09-23 05:49:14 -05:00
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#endif /* QEMU_MONITOR_TEXT_H */
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