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593 lines
22 KiB
C
593 lines
22 KiB
C
/*
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* driver.h: description of the set of interfaces provided by a
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* entry point to the virtualization engine
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*/
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#ifndef __VIR_DRIVER_H__
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#define __VIR_DRIVER_H__
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#include "libvirt/libvirt.h"
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#include "libvirt/virterror.h"
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#include <libxml/uri.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* List of registered drivers numbers
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*/
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typedef enum {
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VIR_DRV_XEN_UNIFIED = 1,
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VIR_DRV_TEST = 2,
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VIR_DRV_QEMU = 3,
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VIR_DRV_REMOTE = 4,
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VIR_DRV_OPENVZ = 5,
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VIR_DRV_LXC = 6
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} virDrvNo;
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/* Status codes returned from driver open call. */
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typedef enum {
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/* Opened successfully. */
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VIR_DRV_OPEN_SUCCESS = 0,
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/* 'name' is not for us. */
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VIR_DRV_OPEN_DECLINED = -1,
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/* 'name' is for us, but there was some error. virConnectOpen will
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* return an error rather than continue probing the other drivers.
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*/
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VIR_DRV_OPEN_ERROR = -2,
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} virDrvOpenStatus;
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/* Feature detection. This is a libvirt-private interface for determining
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* what features are supported by the driver.
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*
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* The remote driver passes features through to the real driver at the
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* remote end unmodified, except if you query a VIR_DRV_FEATURE_REMOTE*
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* feature.
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*/
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/* Driver supports V1-style virDomainMigrate, ie. domainMigratePrepare/
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* domainMigratePerform/domainMigrateFinish.
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*/
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#define VIR_DRV_FEATURE_MIGRATION_V1 1
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/* Driver is not local. */
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#define VIR_DRV_FEATURE_REMOTE 2
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/* Internal feature-detection macro. Don't call drv->supports_feature
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* directly, because it may be NULL, use this macro instead.
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*
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* Note that you must check for errors.
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*
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* Returns:
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* >= 1 Feature is supported.
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* 0 Feature is not supported.
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* -1 Error.
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*/
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#define VIR_DRV_SUPPORTS_FEATURE(drv,conn,feature) \
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((drv)->supports_feature ? (drv)->supports_feature((conn),(feature)) : 0)
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typedef const char *
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(*virDrvProbe) (void);
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typedef virDrvOpenStatus
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(*virDrvOpen) (virConnectPtr conn,
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xmlURIPtr uri,
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virConnectAuthPtr auth,
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int flags);
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typedef int
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(*virDrvClose) (virConnectPtr conn);
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typedef int
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(*virDrvSupportsFeature) (virConnectPtr conn, int feature);
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typedef const char *
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(*virDrvGetType) (virConnectPtr conn);
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typedef int
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(*virDrvGetVersion) (virConnectPtr conn,
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unsigned long *hvVer);
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typedef char *
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(*virDrvGetHostname) (virConnectPtr conn);
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typedef char *
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(*virDrvGetURI) (virConnectPtr conn);
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typedef int
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(*virDrvGetMaxVcpus) (virConnectPtr conn,
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const char *type);
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typedef int
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(*virDrvNodeGetInfo) (virConnectPtr conn,
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virNodeInfoPtr info);
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typedef char *
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(*virDrvGetCapabilities) (virConnectPtr conn);
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typedef int
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(*virDrvListDomains) (virConnectPtr conn,
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int *ids,
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int maxids);
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typedef int
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(*virDrvNumOfDomains) (virConnectPtr conn);
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typedef virDomainPtr
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(*virDrvDomainCreateLinux) (virConnectPtr conn,
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const char *xmlDesc,
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unsigned int flags);
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typedef virDomainPtr
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(*virDrvDomainLookupByID) (virConnectPtr conn,
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int id);
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typedef virDomainPtr
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(*virDrvDomainLookupByUUID) (virConnectPtr conn,
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const unsigned char *uuid);
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typedef virDomainPtr
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(*virDrvDomainLookupByName) (virConnectPtr conn,
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const char *name);
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typedef int
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(*virDrvDomainSuspend) (virDomainPtr domain);
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typedef int
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(*virDrvDomainResume) (virDomainPtr domain);
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typedef int
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(*virDrvDomainShutdown) (virDomainPtr domain);
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typedef int
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(*virDrvDomainReboot) (virDomainPtr domain,
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unsigned int flags);
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typedef int
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(*virDrvDomainDestroy) (virDomainPtr domain);
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typedef char *
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(*virDrvDomainGetOSType) (virDomainPtr domain);
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typedef unsigned long
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(*virDrvDomainGetMaxMemory) (virDomainPtr domain);
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typedef int
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(*virDrvDomainSetMaxMemory) (virDomainPtr domain,
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unsigned long memory);
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typedef int
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(*virDrvDomainSetMemory) (virDomainPtr domain,
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unsigned long memory);
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typedef int
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(*virDrvDomainGetInfo) (virDomainPtr domain,
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virDomainInfoPtr info);
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typedef int
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(*virDrvDomainSave) (virDomainPtr domain,
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const char *to);
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typedef int
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(*virDrvDomainRestore) (virConnectPtr conn,
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const char *from);
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typedef int
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(*virDrvDomainCoreDump) (virDomainPtr domain,
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const char *to,
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int flags);
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typedef char *
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(*virDrvDomainDumpXML) (virDomainPtr dom,
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int flags);
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typedef int
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(*virDrvListDefinedDomains) (virConnectPtr conn,
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char **const names,
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int maxnames);
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typedef int
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(*virDrvNumOfDefinedDomains) (virConnectPtr conn);
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typedef int
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(*virDrvDomainCreate) (virDomainPtr dom);
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typedef virDomainPtr
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(*virDrvDomainDefineXML) (virConnectPtr conn,
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const char *xml);
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typedef int
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(*virDrvDomainUndefine) (virDomainPtr dom);
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typedef int
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(*virDrvDomainSetVcpus) (virDomainPtr domain,
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unsigned int nvcpus);
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typedef int
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(*virDrvDomainPinVcpu) (virDomainPtr domain,
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unsigned int vcpu,
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unsigned char *cpumap,
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int maplen);
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typedef int
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(*virDrvDomainGetVcpus) (virDomainPtr domain,
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virVcpuInfoPtr info,
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int maxinfo,
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unsigned char *cpumaps,
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int maplen);
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typedef int
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(*virDrvDomainGetMaxVcpus) (virDomainPtr domain);
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typedef int
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(*virDrvDomainAttachDevice) (virDomainPtr domain,
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const char *xml);
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typedef int
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(*virDrvDomainDetachDevice) (virDomainPtr domain,
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const char *xml);
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typedef int
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(*virDrvDomainGetAutostart) (virDomainPtr domain,
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int *autostart);
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typedef int
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(*virDrvDomainSetAutostart) (virDomainPtr domain,
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int autostart);
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typedef char *
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(*virDrvDomainGetSchedulerType) (virDomainPtr domain,
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int *nparams);
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typedef int
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(*virDrvDomainGetSchedulerParameters)
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(virDomainPtr domain,
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virSchedParameterPtr params,
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int *nparams);
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typedef int
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(*virDrvDomainSetSchedulerParameters)
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(virDomainPtr domain,
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virSchedParameterPtr params,
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int nparams);
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typedef int
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(*virDrvDomainBlockStats)
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(virDomainPtr domain,
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const char *path,
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struct _virDomainBlockStats *stats);
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typedef int
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(*virDrvDomainInterfaceStats)
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(virDomainPtr domain,
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const char *path,
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struct _virDomainInterfaceStats *stats);
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typedef int
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(*virDrvDomainMigratePrepare)
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(virConnectPtr dconn,
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char **cookie,
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int *cookielen,
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const char *uri_in,
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char **uri_out,
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unsigned long flags,
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const char *dname,
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unsigned long resource);
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typedef int
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(*virDrvDomainMigratePerform)
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(virDomainPtr domain,
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const char *cookie,
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int cookielen,
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const char *uri,
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unsigned long flags,
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const char *dname,
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unsigned long resource);
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typedef virDomainPtr
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(*virDrvDomainMigrateFinish)
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(virConnectPtr dconn,
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const char *dname,
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const char *cookie,
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int cookielen,
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const char *uri,
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unsigned long flags);
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typedef struct _virDriver virDriver;
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typedef virDriver *virDriverPtr;
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typedef int
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(*virDrvNodeGetCellsFreeMemory)
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(virConnectPtr conn,
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unsigned long long *freeMems,
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int startCell,
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int maxCells);
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typedef unsigned long long
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(*virDrvNodeGetFreeMemory)
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(virConnectPtr conn);
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/**
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* _virDriver:
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*
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* Structure associated to a virtualization driver, defining the various
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* entry points for it.
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*
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* All drivers must support the following fields/methods:
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* - no
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* - name
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* - open
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* - close
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*/
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struct _virDriver {
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int no; /* the number virDrvNo */
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const char * name; /* the name of the driver */
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unsigned long ver; /* the version of the backend */
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virDrvProbe probe;
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virDrvOpen open;
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virDrvClose close;
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virDrvSupportsFeature supports_feature;
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virDrvGetType type;
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virDrvGetVersion version;
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virDrvGetHostname getHostname;
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virDrvGetURI getURI;
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virDrvGetMaxVcpus getMaxVcpus;
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virDrvNodeGetInfo nodeGetInfo;
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virDrvGetCapabilities getCapabilities;
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virDrvListDomains listDomains;
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virDrvNumOfDomains numOfDomains;
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virDrvDomainCreateLinux domainCreateLinux;
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virDrvDomainLookupByID domainLookupByID;
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virDrvDomainLookupByUUID domainLookupByUUID;
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virDrvDomainLookupByName domainLookupByName;
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virDrvDomainSuspend domainSuspend;
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virDrvDomainResume domainResume;
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virDrvDomainShutdown domainShutdown;
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virDrvDomainReboot domainReboot;
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virDrvDomainDestroy domainDestroy;
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virDrvDomainGetOSType domainGetOSType;
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virDrvDomainGetMaxMemory domainGetMaxMemory;
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virDrvDomainSetMaxMemory domainSetMaxMemory;
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virDrvDomainSetMemory domainSetMemory;
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virDrvDomainGetInfo domainGetInfo;
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virDrvDomainSave domainSave;
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virDrvDomainRestore domainRestore;
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virDrvDomainCoreDump domainCoreDump;
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virDrvDomainSetVcpus domainSetVcpus;
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virDrvDomainPinVcpu domainPinVcpu;
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virDrvDomainGetVcpus domainGetVcpus;
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virDrvDomainGetMaxVcpus domainGetMaxVcpus;
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virDrvDomainDumpXML domainDumpXML;
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virDrvListDefinedDomains listDefinedDomains;
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virDrvNumOfDefinedDomains numOfDefinedDomains;
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virDrvDomainCreate domainCreate;
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virDrvDomainDefineXML domainDefineXML;
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virDrvDomainUndefine domainUndefine;
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virDrvDomainAttachDevice domainAttachDevice;
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virDrvDomainDetachDevice domainDetachDevice;
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virDrvDomainGetAutostart domainGetAutostart;
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virDrvDomainSetAutostart domainSetAutostart;
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virDrvDomainGetSchedulerType domainGetSchedulerType;
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virDrvDomainGetSchedulerParameters domainGetSchedulerParameters;
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virDrvDomainSetSchedulerParameters domainSetSchedulerParameters;
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virDrvDomainMigratePrepare domainMigratePrepare;
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virDrvDomainMigratePerform domainMigratePerform;
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virDrvDomainMigrateFinish domainMigrateFinish;
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virDrvDomainBlockStats domainBlockStats;
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virDrvDomainInterfaceStats domainInterfaceStats;
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virDrvNodeGetCellsFreeMemory nodeGetCellsFreeMemory;
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virDrvNodeGetFreeMemory getFreeMemory;
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};
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typedef int
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(*virDrvNumOfNetworks) (virConnectPtr conn);
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typedef int
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(*virDrvListNetworks) (virConnectPtr conn,
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char **const names,
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int maxnames);
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typedef int
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(*virDrvNumOfDefinedNetworks) (virConnectPtr conn);
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typedef int
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(*virDrvListDefinedNetworks) (virConnectPtr conn,
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char **const names,
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int maxnames);
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typedef virNetworkPtr
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(*virDrvNetworkLookupByUUID) (virConnectPtr conn,
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const unsigned char *uuid);
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typedef virNetworkPtr
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(*virDrvNetworkLookupByName) (virConnectPtr conn,
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const char *name);
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typedef virNetworkPtr
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(*virDrvNetworkCreateXML) (virConnectPtr conn,
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const char *xmlDesc);
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typedef virNetworkPtr
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(*virDrvNetworkDefineXML) (virConnectPtr conn,
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const char *xml);
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typedef int
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(*virDrvNetworkUndefine) (virNetworkPtr network);
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typedef int
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(*virDrvNetworkCreate) (virNetworkPtr network);
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typedef int
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(*virDrvNetworkDestroy) (virNetworkPtr network);
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typedef char *
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(*virDrvNetworkDumpXML) (virNetworkPtr network,
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int flags);
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typedef char *
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(*virDrvNetworkGetBridgeName) (virNetworkPtr network);
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typedef int
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(*virDrvNetworkGetAutostart) (virNetworkPtr network,
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int *autostart);
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typedef int
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(*virDrvNetworkSetAutostart) (virNetworkPtr network,
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int autostart);
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typedef struct _virNetworkDriver virNetworkDriver;
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typedef virNetworkDriver *virNetworkDriverPtr;
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/**
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* _virNetworkDriver:
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*
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* Structure associated to a network virtualization driver, defining the various
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* entry points for it.
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*
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* All drivers must support the following fields/methods:
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* - open
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* - close
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*/
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struct _virNetworkDriver {
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const char * name; /* the name of the driver */
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virDrvOpen open;
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virDrvClose close;
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virDrvNumOfNetworks numOfNetworks;
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virDrvListNetworks listNetworks;
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virDrvNumOfDefinedNetworks numOfDefinedNetworks;
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virDrvListDefinedNetworks listDefinedNetworks;
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virDrvNetworkLookupByUUID networkLookupByUUID;
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virDrvNetworkLookupByName networkLookupByName;
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virDrvNetworkCreateXML networkCreateXML;
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virDrvNetworkDefineXML networkDefineXML;
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virDrvNetworkUndefine networkUndefine;
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virDrvNetworkCreate networkCreate;
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virDrvNetworkDestroy networkDestroy;
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virDrvNetworkDumpXML networkDumpXML;
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virDrvNetworkGetBridgeName networkGetBridgeName;
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virDrvNetworkGetAutostart networkGetAutostart;
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virDrvNetworkSetAutostart networkSetAutostart;
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};
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typedef int
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(*virDrvConnectNumOfStoragePools) (virConnectPtr conn);
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typedef int
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(*virDrvConnectListStoragePools) (virConnectPtr conn,
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char **const names,
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int maxnames);
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typedef int
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(*virDrvConnectNumOfDefinedStoragePools) (virConnectPtr conn);
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typedef int
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(*virDrvConnectListDefinedStoragePools) (virConnectPtr conn,
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char **const names,
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int maxnames);
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typedef virStoragePoolPtr
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(*virDrvStoragePoolLookupByName) (virConnectPtr conn,
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const char *name);
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typedef virStoragePoolPtr
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(*virDrvStoragePoolLookupByUUID) (virConnectPtr conn,
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const unsigned char *uuid);
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typedef virStoragePoolPtr
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(*virDrvStoragePoolLookupByVolume) (virStorageVolPtr vol);
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typedef virStoragePoolPtr
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(*virDrvStoragePoolCreateXML) (virConnectPtr conn,
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const char *xmlDesc,
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unsigned int flags);
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typedef virStoragePoolPtr
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(*virDrvStoragePoolDefineXML) (virConnectPtr conn,
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const char *xmlDesc,
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unsigned int flags);
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typedef int
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(*virDrvStoragePoolUndefine) (virStoragePoolPtr pool);
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typedef int
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(*virDrvStoragePoolBuild) (virStoragePoolPtr pool,
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unsigned int flags);
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typedef int
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(*virDrvStoragePoolCreate) (virStoragePoolPtr pool,
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unsigned int flags);
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typedef int
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(*virDrvStoragePoolDestroy) (virStoragePoolPtr pool);
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typedef int
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(*virDrvStoragePoolDelete) (virStoragePoolPtr pool,
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unsigned int flags);
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typedef int
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(*virDrvStoragePoolRefresh) (virStoragePoolPtr pool,
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unsigned int flags);
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typedef int
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(*virDrvStoragePoolGetInfo) (virStoragePoolPtr vol,
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virStoragePoolInfoPtr info);
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typedef char *
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(*virDrvStoragePoolGetXMLDesc) (virStoragePoolPtr pool,
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unsigned int flags);
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typedef int
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(*virDrvStoragePoolGetAutostart) (virStoragePoolPtr pool,
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int *autostart);
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typedef int
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(*virDrvStoragePoolSetAutostart) (virStoragePoolPtr pool,
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int autostart);
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typedef int
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(*virDrvStoragePoolNumOfVolumes) (virStoragePoolPtr pool);
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typedef int
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(*virDrvStoragePoolListVolumes) (virStoragePoolPtr pool,
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char **const names,
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int maxnames);
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typedef virStorageVolPtr
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(*virDrvStorageVolLookupByName) (virStoragePoolPtr pool,
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const char *name);
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typedef virStorageVolPtr
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(*virDrvStorageVolLookupByKey) (virConnectPtr pool,
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const char *key);
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typedef virStorageVolPtr
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(*virDrvStorageVolLookupByPath) (virConnectPtr pool,
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const char *path);
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typedef virStorageVolPtr
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(*virDrvStorageVolCreateXML) (virStoragePoolPtr pool,
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const char *xmldesc,
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unsigned int flags);
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typedef int
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(*virDrvStorageVolDelete) (virStorageVolPtr vol,
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unsigned int flags);
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typedef int
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(*virDrvStorageVolGetInfo) (virStorageVolPtr vol,
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virStorageVolInfoPtr info);
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typedef char *
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(*virDrvStorageVolGetXMLDesc) (virStorageVolPtr pool,
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unsigned int flags);
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typedef char *
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(*virDrvStorageVolGetPath) (virStorageVolPtr vol);
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typedef struct _virStorageDriver virStorageDriver;
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typedef virStorageDriver *virStorageDriverPtr;
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/**
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* _virStorageDriver:
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*
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* Structure associated to a network virtualization driver, defining the various
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* entry points for it.
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*
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* All drivers must support the following fields/methods:
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* - open
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* - close
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*/
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struct _virStorageDriver {
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const char * name; /* the name of the driver */
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virDrvOpen open;
|
|
virDrvClose close;
|
|
|
|
virDrvConnectNumOfStoragePools numOfPools;
|
|
virDrvConnectListStoragePools listPools;
|
|
virDrvConnectNumOfDefinedStoragePools numOfDefinedPools;
|
|
virDrvConnectListDefinedStoragePools listDefinedPools;
|
|
virDrvStoragePoolLookupByName poolLookupByName;
|
|
virDrvStoragePoolLookupByUUID poolLookupByUUID;
|
|
virDrvStoragePoolLookupByVolume poolLookupByVolume;
|
|
virDrvStoragePoolCreateXML poolCreateXML;
|
|
virDrvStoragePoolDefineXML poolDefineXML;
|
|
virDrvStoragePoolBuild poolBuild;
|
|
virDrvStoragePoolUndefine poolUndefine;
|
|
virDrvStoragePoolCreate poolCreate;
|
|
virDrvStoragePoolDestroy poolDestroy;
|
|
virDrvStoragePoolDelete poolDelete;
|
|
virDrvStoragePoolRefresh poolRefresh;
|
|
virDrvStoragePoolGetInfo poolGetInfo;
|
|
virDrvStoragePoolGetXMLDesc poolGetXMLDesc;
|
|
virDrvStoragePoolGetAutostart poolGetAutostart;
|
|
virDrvStoragePoolSetAutostart poolSetAutostart;
|
|
virDrvStoragePoolNumOfVolumes poolNumOfVolumes;
|
|
virDrvStoragePoolListVolumes poolListVolumes;
|
|
|
|
virDrvStorageVolLookupByName volLookupByName;
|
|
virDrvStorageVolLookupByKey volLookupByKey;
|
|
virDrvStorageVolLookupByPath volLookupByPath;
|
|
virDrvStorageVolCreateXML volCreateXML;
|
|
virDrvStorageVolDelete volDelete;
|
|
virDrvStorageVolGetInfo volGetInfo;
|
|
virDrvStorageVolGetXMLDesc volGetXMLDesc;
|
|
virDrvStorageVolGetPath volGetPath;
|
|
};
|
|
|
|
typedef int (*virDrvStateInitialize) (void);
|
|
typedef int (*virDrvStateCleanup) (void);
|
|
typedef int (*virDrvStateReload) (void);
|
|
typedef int (*virDrvStateActive) (void);
|
|
|
|
typedef struct _virStateDriver virStateDriver;
|
|
typedef virStateDriver *virStateDriverPtr;
|
|
|
|
struct _virStateDriver {
|
|
virDrvStateInitialize initialize;
|
|
virDrvStateCleanup cleanup;
|
|
virDrvStateReload reload;
|
|
virDrvStateActive active;
|
|
};
|
|
|
|
/*
|
|
* Registration
|
|
* TODO: also need ways to (des)activate a given driver
|
|
* lookup based on the URI given in a virConnectOpen(ReadOnly)
|
|
*/
|
|
int virRegisterDriver(virDriverPtr);
|
|
int virRegisterNetworkDriver(virNetworkDriverPtr);
|
|
int virRegisterStorageDriver(virStorageDriverPtr);
|
|
int virRegisterStateDriver(virStateDriverPtr);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
#endif /* __VIR_DRIVER_H__ */
|