libvirt/src/qemu/qemu_monitor_json.h
Pavel Hrdina 4a585a884f qemu_monitor_json: add support to search QOM device path by device alias
Commit ce745914 introduced detection of actual video ram sizes to fix migration
if QEMU decide to modify the values provided by libvirt.  This works perfectly
for domains with number of video devices up to two.

If there are more than two video devices in the guest all the secondary devices
in the XML will have the same memory values.  This is because our current code
search for QOM device path only by the device type name and all the secondary
video devices has the same name "qxl".

This patch introduces a new search function that will try to search a QOM device
path using also device's alias if the alias is available. After that it will
fallback to the old recursive code if the alias search found no results.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1358728

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
2016-07-25 16:20:56 +02:00

495 lines
20 KiB
C

/*
* qemu_monitor_json.h: interaction with QEMU monitor console
*
* Copyright (C) 2006-2009, 2011-2015 Red Hat, Inc.
* Copyright (C) 2006 Daniel P. Berrange
*
* 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/>.
*
* Author: Daniel P. Berrange <berrange@redhat.com>
*/
#ifndef QEMU_MONITOR_JSON_H
# define QEMU_MONITOR_JSON_H
# include "internal.h"
# include "qemu_monitor.h"
# include "virbitmap.h"
# include "cpu/cpu.h"
# include "util/virgic.h"
int qemuMonitorJSONIOProcessLine(qemuMonitorPtr mon,
const char *line,
qemuMonitorMessagePtr msg);
int qemuMonitorJSONIOProcess(qemuMonitorPtr mon,
const char *data,
size_t len,
qemuMonitorMessagePtr msg);
int qemuMonitorJSONHumanCommandWithFd(qemuMonitorPtr mon,
const char *cmd,
int scm_fd,
char **reply);
int qemuMonitorJSONSetCapabilities(qemuMonitorPtr mon);
int qemuMonitorJSONStartCPUs(qemuMonitorPtr mon,
virConnectPtr conn);
int qemuMonitorJSONStopCPUs(qemuMonitorPtr mon);
int qemuMonitorJSONGetStatus(qemuMonitorPtr mon,
bool *running,
virDomainPausedReason *reason);
int qemuMonitorJSONSystemPowerdown(qemuMonitorPtr mon);
int qemuMonitorJSONSystemReset(qemuMonitorPtr mon);
int qemuMonitorJSONGetCPUInfo(qemuMonitorPtr mon,
int **pids);
int qemuMonitorJSONGetVirtType(qemuMonitorPtr mon,
virDomainVirtType *virtType);
int qemuMonitorJSONUpdateVideoMemorySize(qemuMonitorPtr mon,
virDomainVideoDefPtr video,
char *path);
int qemuMonitorJSONUpdateVideoVram64Size(qemuMonitorPtr mon,
virDomainVideoDefPtr video,
char *path);
int qemuMonitorJSONGetBalloonInfo(qemuMonitorPtr mon,
unsigned long long *currmem);
int qemuMonitorJSONGetMemoryStats(qemuMonitorPtr mon,
char *balloonpath,
virDomainMemoryStatPtr stats,
unsigned int nr_stats);
int qemuMonitorJSONSetMemoryStatsPeriod(qemuMonitorPtr mon,
char *balloonpath,
int period);
int qemuMonitorJSONGetBlockInfo(qemuMonitorPtr mon,
virHashTablePtr table);
int qemuMonitorJSONGetAllBlockStatsInfo(qemuMonitorPtr mon,
virHashTablePtr hash,
bool backingChain);
int qemuMonitorJSONBlockStatsUpdateCapacity(qemuMonitorPtr mon,
virHashTablePtr stats,
bool backingChain);
int qemuMonitorJSONBlockResize(qemuMonitorPtr mon,
const char *devce,
unsigned long long size);
int qemuMonitorJSONSetVNCPassword(qemuMonitorPtr mon,
const char *password);
int qemuMonitorJSONSetPassword(qemuMonitorPtr mon,
const char *protocol,
const char *password,
const char *action_if_connected);
int qemuMonitorJSONExpirePassword(qemuMonitorPtr mon,
const char *protocol,
const char *expire_time);
int qemuMonitorJSONSetBalloon(qemuMonitorPtr mon,
unsigned long long newmem);
int qemuMonitorJSONSetCPU(qemuMonitorPtr mon, int cpu, bool online);
int qemuMonitorJSONEjectMedia(qemuMonitorPtr mon,
const char *dev_name,
bool force);
int qemuMonitorJSONChangeMedia(qemuMonitorPtr mon,
const char *dev_name,
const char *newmedia,
const char *format);
int qemuMonitorJSONSaveVirtualMemory(qemuMonitorPtr mon,
unsigned long long offset,
size_t length,
const char *path);
int qemuMonitorJSONSavePhysicalMemory(qemuMonitorPtr mon,
unsigned long long offset,
size_t length,
const char *path);
int qemuMonitorJSONSetMigrationSpeed(qemuMonitorPtr mon,
unsigned long bandwidth);
int qemuMonitorJSONSetMigrationDowntime(qemuMonitorPtr mon,
unsigned long long downtime);
int qemuMonitorJSONGetMigrationCacheSize(qemuMonitorPtr mon,
unsigned long long *cacheSize);
int qemuMonitorJSONSetMigrationCacheSize(qemuMonitorPtr mon,
unsigned long long cacheSize);
int qemuMonitorJSONGetMigrationParams(qemuMonitorPtr mon,
qemuMonitorMigrationParamsPtr params);
int qemuMonitorJSONSetMigrationParams(qemuMonitorPtr mon,
qemuMonitorMigrationParamsPtr params);
int qemuMonitorJSONGetMigrationStats(qemuMonitorPtr mon,
qemuMonitorMigrationStatsPtr stats);
int qemuMonitorJSONGetMigrationCapabilities(qemuMonitorPtr mon,
char ***capabilities);
int qemuMonitorJSONGetMigrationCapability(qemuMonitorPtr mon,
qemuMonitorMigrationCaps capability);
int qemuMonitorJSONSetMigrationCapability(qemuMonitorPtr mon,
qemuMonitorMigrationCaps capability,
bool state);
int qemuMonitorJSONGetGICCapabilities(qemuMonitorPtr mon,
virGICCapability **capabilities);
int qemuMonitorJSONMigrate(qemuMonitorPtr mon,
unsigned int flags,
const char *uri);
int qemuMonitorJSONGetSpiceMigrationStatus(qemuMonitorPtr mon,
bool *spice_migrated);
int qemuMonitorJSONMigrateCancel(qemuMonitorPtr mon);
int qemuMonitorJSONGetDumpGuestMemoryCapability(qemuMonitorPtr mon,
const char *capability);
int qemuMonitorJSONDump(qemuMonitorPtr mon,
const char *protocol,
const char *dumpformat);
int qemuMonitorJSONGraphicsRelocate(qemuMonitorPtr mon,
int type,
const char *hostname,
int port,
int tlsPort,
const char *tlsSubject);
int qemuMonitorJSONAddPCIHostDevice(qemuMonitorPtr mon,
virPCIDeviceAddress *hostAddr,
virPCIDeviceAddress *guestAddr);
int qemuMonitorJSONAddPCIDisk(qemuMonitorPtr mon,
const char *path,
const char *bus,
virPCIDeviceAddress *guestAddr);
int qemuMonitorJSONAddPCINetwork(qemuMonitorPtr mon,
const char *nicstr,
virPCIDeviceAddress *guestAddr);
int qemuMonitorJSONRemovePCIDevice(qemuMonitorPtr mon,
virPCIDeviceAddress *guestAddr);
int qemuMonitorJSONSendFileHandle(qemuMonitorPtr mon,
const char *fdname,
int fd);
int qemuMonitorJSONAddFd(qemuMonitorPtr mon, int fdset, int fd,
const char *name);
int qemuMonitorJSONCloseFileHandle(qemuMonitorPtr mon,
const char *fdname);
int qemuMonitorJSONRemoveFd(qemuMonitorPtr mon, int fdset, int fd);
int qemuMonitorJSONAddNetdev(qemuMonitorPtr mon,
const char *netdevstr);
int qemuMonitorJSONRemoveNetdev(qemuMonitorPtr mon,
const char *alias);
int qemuMonitorJSONQueryRxFilter(qemuMonitorPtr mon, const char *alias,
virNetDevRxFilterPtr *filter);
int qemuMonitorJSONGetChardevInfo(qemuMonitorPtr mon,
virHashTablePtr info);
int qemuMonitorJSONAttachPCIDiskController(qemuMonitorPtr mon,
const char *bus,
virPCIDeviceAddress *guestAddr);
int qemuMonitorJSONAddDevice(qemuMonitorPtr mon,
const char *devicestr);
int qemuMonitorJSONDelDevice(qemuMonitorPtr mon,
const char *devalias);
int qemuMonitorJSONAddObject(qemuMonitorPtr mon,
const char *type,
const char *objalias,
virJSONValuePtr props);
int qemuMonitorJSONDelObject(qemuMonitorPtr mon,
const char *objalias);
int qemuMonitorJSONSetDrivePassphrase(qemuMonitorPtr mon,
const char *alias,
const char *passphrase);
int qemuMonitorJSONCreateSnapshot(qemuMonitorPtr mon, const char *name);
int qemuMonitorJSONLoadSnapshot(qemuMonitorPtr mon, const char *name);
int qemuMonitorJSONDeleteSnapshot(qemuMonitorPtr mon, const char *name);
int qemuMonitorJSONDiskSnapshot(qemuMonitorPtr mon,
virJSONValuePtr actions,
const char *device,
const char *file,
const char *format,
bool reuse)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(3)
ATTRIBUTE_NONNULL(4) ATTRIBUTE_NONNULL(5);
int qemuMonitorJSONTransaction(qemuMonitorPtr mon, virJSONValuePtr actions)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int qemuMonitorJSONDriveMirror(qemuMonitorPtr mon,
const char *device,
const char *file,
const char *format,
unsigned long long speed,
unsigned int granularity,
unsigned long long buf_size,
unsigned int flags)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
int qemuMonitorJSONDrivePivot(qemuMonitorPtr mon,
const char *device)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int qemuMonitorJSONBlockCommit(qemuMonitorPtr mon,
const char *device,
const char *top,
const char *base,
const char *backingName,
unsigned long long bandwidth)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
char *qemuMonitorJSONDiskNameLookup(qemuMonitorPtr mon,
const char *device,
virStorageSourcePtr top,
virStorageSourcePtr target)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3)
ATTRIBUTE_NONNULL(4);
int qemuMonitorJSONArbitraryCommand(qemuMonitorPtr mon,
const char *cmd_str,
char **reply_str,
bool hmp);
int qemuMonitorJSONInjectNMI(qemuMonitorPtr mon);
int qemuMonitorJSONSendKey(qemuMonitorPtr mon,
unsigned int holdtime,
unsigned int *keycodes,
unsigned int nkeycodes);
int qemuMonitorJSONScreendump(qemuMonitorPtr mon,
const char *file);
int qemuMonitorJSONBlockStream(qemuMonitorPtr mon,
const char *device,
const char *base,
const char *backingName,
unsigned long long speed,
bool modern)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int qemuMonitorJSONBlockJobCancel(qemuMonitorPtr mon,
const char *device,
bool modern)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int qemuMonitorJSONBlockJobSetSpeed(qemuMonitorPtr mon,
const char *device,
unsigned long long speed,
bool modern)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
virHashTablePtr qemuMonitorJSONGetAllBlockJobInfo(qemuMonitorPtr mon)
ATTRIBUTE_NONNULL(1);
int qemuMonitorJSONSetLink(qemuMonitorPtr mon,
const char *name,
virDomainNetInterfaceLinkState state);
int qemuMonitorJSONOpenGraphics(qemuMonitorPtr mon,
const char *protocol,
const char *fdname,
bool skipauth);
int qemuMonitorJSONSetBlockIoThrottle(qemuMonitorPtr mon,
const char *device,
virDomainBlockIoTuneInfoPtr info,
bool supportMaxOptions);
int qemuMonitorJSONGetBlockIoThrottle(qemuMonitorPtr mon,
const char *device,
virDomainBlockIoTuneInfoPtr reply);
int qemuMonitorJSONSystemWakeup(qemuMonitorPtr mon);
int qemuMonitorJSONGetVersion(qemuMonitorPtr mon,
int *major,
int *minor,
int *micro,
char **package)
ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3) ATTRIBUTE_NONNULL(4);
int qemuMonitorJSONGetMachines(qemuMonitorPtr mon,
qemuMonitorMachineInfoPtr **machines)
ATTRIBUTE_NONNULL(2);
int qemuMonitorJSONGetCPUDefinitions(qemuMonitorPtr mon,
char ***cpus)
ATTRIBUTE_NONNULL(2);
int qemuMonitorJSONGetCommands(qemuMonitorPtr mon,
char ***commands)
ATTRIBUTE_NONNULL(2);
int qemuMonitorJSONGetEvents(qemuMonitorPtr mon,
char ***events)
ATTRIBUTE_NONNULL(2);
int qemuMonitorJSONGetCommandLineOptionParameters(qemuMonitorPtr mon,
const char *option,
char ***params,
bool *found)
ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
int qemuMonitorJSONGetKVMState(qemuMonitorPtr mon,
bool *enabled,
bool *present)
ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
int qemuMonitorJSONGetObjectTypes(qemuMonitorPtr mon,
char ***types)
ATTRIBUTE_NONNULL(2);
/* ListPath structures and API's are public only for qemumonitorjsontest */
typedef struct _qemuMonitorJSONListPath qemuMonitorJSONListPath;
typedef qemuMonitorJSONListPath *qemuMonitorJSONListPathPtr;
struct _qemuMonitorJSONListPath {
char *name;
char *type;
};
int qemuMonitorJSONGetObjectListPaths(qemuMonitorPtr mon,
const char *path,
qemuMonitorJSONListPathPtr **paths)
ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
void qemuMonitorJSONListPathFree(qemuMonitorJSONListPathPtr paths);
/* ObjectProperty structures and Get/Set API's are public only
* for qemumonitorjsontest
*/
/* Flags for the 'type' field in _qemuMonitorJSONObjectProperty */
typedef enum {
QEMU_MONITOR_OBJECT_PROPERTY_BOOLEAN=1,
QEMU_MONITOR_OBJECT_PROPERTY_INT,
QEMU_MONITOR_OBJECT_PROPERTY_LONG,
QEMU_MONITOR_OBJECT_PROPERTY_UINT,
QEMU_MONITOR_OBJECT_PROPERTY_ULONG,
QEMU_MONITOR_OBJECT_PROPERTY_DOUBLE,
QEMU_MONITOR_OBJECT_PROPERTY_STRING,
QEMU_MONITOR_OBJECT_PROPERTY_LAST
} qemuMonitorJSONObjectPropertyType;
typedef struct _qemuMonitorJSONObjectProperty qemuMonitorJSONObjectProperty;
typedef qemuMonitorJSONObjectProperty *qemuMonitorJSONObjectPropertyPtr;
struct _qemuMonitorJSONObjectProperty {
int type; /* qemuMonitorJSONObjectPropertyType */
union {
bool b;
int iv;
long long l;
unsigned int ui;
unsigned long long ul;
double d;
char *str;
} val;
};
int qemuMonitorJSONGetObjectProperty(qemuMonitorPtr mon,
const char *path,
const char *property,
qemuMonitorJSONObjectPropertyPtr prop)
ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3) ATTRIBUTE_NONNULL(4);
int qemuMonitorJSONSetObjectProperty(qemuMonitorPtr mon,
const char *path,
const char *property,
qemuMonitorJSONObjectPropertyPtr prop)
ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3) ATTRIBUTE_NONNULL(4);
int qemuMonitorJSONGetObjectProps(qemuMonitorPtr mon,
const char *type,
char ***props)
ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
char *qemuMonitorJSONGetTargetArch(qemuMonitorPtr mon);
int qemuMonitorJSONNBDServerStart(qemuMonitorPtr mon,
const char *host,
unsigned int port);
int qemuMonitorJSONNBDServerAdd(qemuMonitorPtr mon,
const char *deviceID,
bool writable);
int qemuMonitorJSONNBDServerStop(qemuMonitorPtr mon);
int qemuMonitorJSONGetTPMModels(qemuMonitorPtr mon,
char ***tpmmodels)
ATTRIBUTE_NONNULL(2);
int qemuMonitorJSONGetTPMTypes(qemuMonitorPtr mon,
char ***tpmtypes)
ATTRIBUTE_NONNULL(2);
int qemuMonitorJSONAttachCharDev(qemuMonitorPtr mon,
const char *chrID,
virDomainChrSourceDefPtr chr);
int qemuMonitorJSONDetachCharDev(qemuMonitorPtr mon,
const char *chrID);
int qemuMonitorJSONGetDeviceAliases(qemuMonitorPtr mon,
char ***aliases);
int qemuMonitorJSONGetCPUx86Data(qemuMonitorPtr mon,
const char *property,
virCPUDataPtr *cpudata);
int qemuMonitorJSONGetGuestCPU(qemuMonitorPtr mon,
virArch arch,
virCPUDataPtr *data);
int qemuMonitorJSONRTCResetReinjection(qemuMonitorPtr mon);
int qemuMonitorJSONGetIOThreads(qemuMonitorPtr mon,
qemuMonitorIOThreadInfoPtr **iothreads)
ATTRIBUTE_NONNULL(2);
int qemuMonitorJSONGetMemoryDeviceInfo(qemuMonitorPtr mon,
virHashTablePtr info)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int qemuMonitorJSONFindLinkPath(qemuMonitorPtr mon,
const char *name,
const char *alias,
char **path)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(4);
int qemuMonitorJSONMigrateIncoming(qemuMonitorPtr mon,
const char *uri)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int qemuMonitorJSONMigrateStartPostCopy(qemuMonitorPtr mon)
ATTRIBUTE_NONNULL(1);
int qemuMonitorJSONGetRTCTime(qemuMonitorPtr mon,
struct tm *tm)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
#endif /* QEMU_MONITOR_JSON_H */