libvirt/include/libvirt/libvirt.h.in
Matthias Bolte 5cc370aa36 Don't use INT64_MAX in libvirt.h because it requires stdint.h
VIR_DOMAIN_MEMORY_PARAM_UNLIMITED uses INT64_MAX but stdint.h
was not and should not be included. Therefore, libvirt.h was
not self-contained.

Instead of including stdint.h specify the value directly.
2011-03-11 22:08:24 +01:00

2510 lines
90 KiB
C

/* -*- c -*-
* libvirt.h:
* Summary: core interfaces for the libvirt library
* Description: Provides the interfaces of the libvirt library to handle
* virtualized domains
*
* Copy: Copyright (C) 2005-2006, 2010-2011 Red Hat, Inc.
*
* See COPYING.LIB for the License of this software
*
* Author: Daniel Veillard <veillard@redhat.com>
*/
#ifndef __VIR_VIRLIB_H__
#define __VIR_VIRLIB_H__
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef VIR_DEPRECATED
/* The feature is present in gcc-3.1 and newer. */
# if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
# define VIR_DEPRECATED __attribute__((__deprecated__))
# else
# define VIR_DEPRECATED /* nothing */
# endif
#endif /* VIR_DEPRECATED */
#ifdef WIN32
# ifdef LIBVIRT_STATIC
# define VIR_EXPORT_VAR extern
# else
# ifdef IN_LIBVIRT
# define VIR_EXPORT_VAR __declspec(dllexport)
# else
# define VIR_EXPORT_VAR __declspec(dllimport) extern
# endif
# endif
#else
# define VIR_EXPORT_VAR extern
#endif
/**
* virConnect:
*
* a virConnect is a private structure representing a connection to
* the Hypervisor.
*/
typedef struct _virConnect virConnect;
/**
* virConnectPtr:
*
* a virConnectPtr is pointer to a virConnect private structure, this is the
* type used to reference a connection to the Hypervisor in the API.
*/
typedef virConnect *virConnectPtr;
/**
* virDomain:
*
* a virDomain is a private structure representing a domain.
*/
typedef struct _virDomain virDomain;
/**
* virDomainPtr:
*
* a virDomainPtr is pointer to a virDomain private structure, this is the
* type used to reference a domain in the API.
*/
typedef virDomain *virDomainPtr;
/**
* virDomainState:
*
* A domain may be in different states at a given point in time
*/
typedef enum {
VIR_DOMAIN_NOSTATE = 0, /* no state */
VIR_DOMAIN_RUNNING = 1, /* the domain is running */
VIR_DOMAIN_BLOCKED = 2, /* the domain is blocked on resource */
VIR_DOMAIN_PAUSED = 3, /* the domain is paused by user */
VIR_DOMAIN_SHUTDOWN= 4, /* the domain is being shut down */
VIR_DOMAIN_SHUTOFF = 5, /* the domain is shut off */
VIR_DOMAIN_CRASHED = 6 /* the domain is crashed */
} virDomainState;
/**
* virDomainInfoPtr:
*
* a virDomainInfo is a structure filled by virDomainGetInfo() and extracting
* runtime information for a given active Domain
*/
typedef struct _virDomainInfo virDomainInfo;
struct _virDomainInfo {
unsigned char state; /* the running state, one of virDomainState */
unsigned long maxMem; /* the maximum memory in KBytes allowed */
unsigned long memory; /* the memory in KBytes used by the domain */
unsigned short nrVirtCpu; /* the number of virtual CPUs for the domain */
unsigned long long cpuTime; /* the CPU time used in nanoseconds */
};
/**
* virDomainInfoPtr:
*
* a virDomainInfoPtr is a pointer to a virDomainInfo structure.
*/
typedef virDomainInfo *virDomainInfoPtr;
/**
* virDomainCreateFlags:
*
* Flags OR'ed together to provide specific behaviour when creating a
* Domain.
*/
typedef enum {
VIR_DOMAIN_NONE = 0, /* Default behavior */
VIR_DOMAIN_START_PAUSED = 1 << 0, /* Launch guest in paused state */
} virDomainCreateFlags;
/**
* virStream:
*
* a virStream is a private structure representing a data stream.
*/
typedef struct _virStream virStream;
/**
* virStreamPtr:
*
* a virStreamPtr is pointer to a virStream private structure, this is the
* type used to reference a data stream in the API.
*/
typedef virStream *virStreamPtr;
/**
* VIR_SECURITY_LABEL_BUFLEN:
*
* Macro providing the maximum length of the virSecurityLabel label string.
* Note that this value is based on that used by Labeled NFS.
*/
#define VIR_SECURITY_LABEL_BUFLEN (4096 + 1)
/**
* virSecurityLabel:
*
* a virSecurityLabel is a structure filled by virDomainGetSecurityLabel(),
* providing the security label and associated attributes for the specified
* domain.
*
*/
typedef struct _virSecurityLabel {
char label[VIR_SECURITY_LABEL_BUFLEN]; /* security label string */
int enforcing; /* 1 if security policy is being enforced for domain */
} virSecurityLabel;
/**
* virSecurityLabelPtr:
*
* a virSecurityLabelPtr is a pointer to a virSecurityLabel.
*/
typedef virSecurityLabel *virSecurityLabelPtr;
/**
* VIR_SECURITY_MODEL_BUFLEN:
*
* Macro providing the maximum length of the virSecurityModel model string.
*/
#define VIR_SECURITY_MODEL_BUFLEN (256 + 1)
/**
* VIR_SECURITY_DOI_BUFLEN:
*
* Macro providing the maximum length of the virSecurityModel doi string.
*/
#define VIR_SECURITY_DOI_BUFLEN (256 + 1)
/**
* virSecurityModel:
*
* a virSecurityModel is a structure filled by virNodeGetSecurityModel(),
* providing the per-hypervisor security model and DOI attributes for the
* specified domain.
*
*/
typedef struct _virSecurityModel {
char model[VIR_SECURITY_MODEL_BUFLEN]; /* security model string */
char doi[VIR_SECURITY_DOI_BUFLEN]; /* domain of interpetation */
} virSecurityModel;
/**
* virSecurityModelPtr:
*
* a virSecurityModelPtr is a pointer to a virSecurityModel.
*/
typedef virSecurityModel *virSecurityModelPtr;
/**
* virNodeInfoPtr:
*
* a virNodeInfo is a structure filled by virNodeGetInfo() and providing
* the information for the Node.
*/
typedef struct _virNodeInfo virNodeInfo;
struct _virNodeInfo {
char model[32]; /* string indicating the CPU model */
unsigned long memory;/* memory size in kilobytes */
unsigned int cpus; /* the number of active CPUs */
unsigned int mhz; /* expected CPU frequency */
unsigned int nodes; /* the number of NUMA cell, 1 for unusual NUMA
topologies or uniform memory access; check
capabilities XML for the actual NUMA topology */
unsigned int sockets;/* number of CPU sockets per node if nodes > 1,
total number of CPU sockets otherwise */
unsigned int cores; /* number of cores per socket */
unsigned int threads;/* number of threads per core */
};
/**
* virDomainSchedParameterType:
*
* A scheduler parameter field type
*/
typedef enum {
VIR_DOMAIN_SCHED_FIELD_INT = 1, /* integer case */
VIR_DOMAIN_SCHED_FIELD_UINT = 2, /* unsigned integer case */
VIR_DOMAIN_SCHED_FIELD_LLONG = 3, /* long long case */
VIR_DOMAIN_SCHED_FIELD_ULLONG = 4, /* unsigned long long case */
VIR_DOMAIN_SCHED_FIELD_DOUBLE = 5, /* double case */
VIR_DOMAIN_SCHED_FIELD_BOOLEAN = 6 /* boolean(character) case */
} virSchedParameterType;
/**
* VIR_DOMAIN_SCHED_FIELD_LENGTH:
*
* Macro providing the field length of virSchedParameter
*/
#define VIR_DOMAIN_SCHED_FIELD_LENGTH 80
/**
* virDomainSchedParameter:
*
* a virDomainSchedParameter is the set of scheduler parameters
*/
typedef struct _virSchedParameter virSchedParameter;
struct _virSchedParameter {
char field[VIR_DOMAIN_SCHED_FIELD_LENGTH]; /* parameter name */
int type; /* parameter type */
union {
int i; /* data for integer case */
unsigned int ui; /* data for unsigned integer case */
long long int l; /* data for long long integer case */
unsigned long long int ul; /* data for unsigned long long integer case */
double d; /* data for double case */
char b; /* data for char case */
} value; /* parameter value */
};
/**
* virSchedParameterPtr:
*
* a virSchedParameterPtr is a pointer to a virSchedParameter structure.
*/
typedef virSchedParameter *virSchedParameterPtr;
/*
* Fetch scheduler parameters, caller allocates 'params' field of size 'nparams'
*/
int virDomainGetSchedulerParameters (virDomainPtr domain,
virSchedParameterPtr params,
int *nparams);
/*
* Change scheduler parameters
*/
int virDomainSetSchedulerParameters (virDomainPtr domain,
virSchedParameterPtr params,
int nparams);
/**
* virDomainBlockStats:
*
* Block device stats for virDomainBlockStats.
*
* Hypervisors may return a field set to ((long long)-1) which indicates
* that the hypervisor does not support that statistic.
*
* NB. Here 'long long' means 64 bit integer.
*/
typedef struct _virDomainBlockStats virDomainBlockStatsStruct;
struct _virDomainBlockStats {
long long rd_req; /* number of read requests */
long long rd_bytes; /* number of read bytes */
long long wr_req; /* number of write requests */
long long wr_bytes; /* number of written bytes */
long long errs; /* In Xen this returns the mysterious 'oo_req'. */
};
/**
* virDomainBlockStatsPtr:
*
* A pointer to a virDomainBlockStats structure
*/
typedef virDomainBlockStatsStruct *virDomainBlockStatsPtr;
/**
* virDomainInterfaceStats:
*
* Network interface stats for virDomainInterfaceStats.
*
* Hypervisors may return a field set to ((long long)-1) which indicates
* that the hypervisor does not support that statistic.
*
* NB. Here 'long long' means 64 bit integer.
*/
typedef struct _virDomainInterfaceStats virDomainInterfaceStatsStruct;
struct _virDomainInterfaceStats {
long long rx_bytes;
long long rx_packets;
long long rx_errs;
long long rx_drop;
long long tx_bytes;
long long tx_packets;
long long tx_errs;
long long tx_drop;
};
/**
* virDomainInterfaceStatsPtr:
*
* A pointer to a virDomainInterfaceStats structure
*/
typedef virDomainInterfaceStatsStruct *virDomainInterfaceStatsPtr;
/**
* Memory Statistics Tags:
*/
typedef enum {
/* The total amount of data read from swap space (in kB). */
VIR_DOMAIN_MEMORY_STAT_SWAP_IN = 0,
/* The total amount of memory written out to swap space (in kB). */
VIR_DOMAIN_MEMORY_STAT_SWAP_OUT = 1,
/*
* Page faults occur when a process makes a valid access to virtual memory
* that is not available. When servicing the page fault, if disk IO is
* required, it is considered a major fault. If not, it is a minor fault.
* These are expressed as the number of faults that have occurred.
*/
VIR_DOMAIN_MEMORY_STAT_MAJOR_FAULT = 2,
VIR_DOMAIN_MEMORY_STAT_MINOR_FAULT = 3,
/*
* The amount of memory left completely unused by the system. Memory that
* is available but used for reclaimable caches should NOT be reported as
* free. This value is expressed in kB.
*/
VIR_DOMAIN_MEMORY_STAT_UNUSED = 4,
/*
* The total amount of usable memory as seen by the domain. This value
* may be less than the amount of memory assigned to the domain if a
* balloon driver is in use or if the guest OS does not initialize all
* assigned pages. This value is expressed in kB.
*/
VIR_DOMAIN_MEMORY_STAT_AVAILABLE = 5,
/*
* The number of statistics supported by this version of the interface.
* To add new statistics, add them to the enum and increase this value.
*/
VIR_DOMAIN_MEMORY_STAT_NR = 6,
} virDomainMemoryStatTags;
typedef struct _virDomainMemoryStat virDomainMemoryStatStruct;
struct _virDomainMemoryStat {
int tag;
unsigned long long val;
};
typedef virDomainMemoryStatStruct *virDomainMemoryStatPtr;
/* Domain core dump flags. */
typedef enum {
VIR_DUMP_CRASH = (1 << 0), /* crash after dump */
VIR_DUMP_LIVE = (1 << 1), /* live dump */
} virDomainCoreDumpFlags;
/* Domain migration flags. */
typedef enum {
VIR_MIGRATE_LIVE = (1 << 0), /* live migration */
VIR_MIGRATE_PEER2PEER = (1 << 1), /* direct source -> dest host control channel */
/* Note the less-common spelling that we're stuck with:
VIR_MIGRATE_TUNNELLED should be VIR_MIGRATE_TUNNELED */
VIR_MIGRATE_TUNNELLED = (1 << 2), /* tunnel migration data over libvirtd connection */
VIR_MIGRATE_PERSIST_DEST = (1 << 3), /* persist the VM on the destination */
VIR_MIGRATE_UNDEFINE_SOURCE = (1 << 4), /* undefine the VM on the source */
VIR_MIGRATE_PAUSED = (1 << 5), /* pause on remote side */
VIR_MIGRATE_NON_SHARED_DISK = (1 << 6), /* migration with non-shared storage with full disk copy */
VIR_MIGRATE_NON_SHARED_INC = (1 << 7), /* migration with non-shared storage with incremental copy */
/* (same base image shared between source and destination) */
} virDomainMigrateFlags;
/* Domain migration. */
virDomainPtr virDomainMigrate (virDomainPtr domain, virConnectPtr dconn,
unsigned long flags, const char *dname,
const char *uri, unsigned long bandwidth);
int virDomainMigrateToURI (virDomainPtr domain, const char *duri,
unsigned long flags, const char *dname,
unsigned long bandwidth);
int virDomainMigrateSetMaxDowntime (virDomainPtr domain,
unsigned long long downtime,
unsigned int flags);
/**
* VIR_NODEINFO_MAXCPUS:
* @nodeinfo: virNodeInfo instance
*
* This macro is to calculate the total number of CPUs supported
* but not necessary active in the host.
*/
#define VIR_NODEINFO_MAXCPUS(nodeinfo) ((nodeinfo).nodes*(nodeinfo).sockets*(nodeinfo).cores*(nodeinfo).threads)
/**
* virNodeInfoPtr:
*
* a virNodeInfoPtr is a pointer to a virNodeInfo structure.
*/
typedef virNodeInfo *virNodeInfoPtr;
/**
* virConnectFlags
*
* Flags when opening a connection to a hypervisor
*/
typedef enum {
VIR_CONNECT_RO = 1, /* A readonly connection */
} virConnectFlags;
typedef enum {
VIR_CRED_USERNAME = 1, /* Identity to act as */
VIR_CRED_AUTHNAME = 2, /* Identify to authorize as */
VIR_CRED_LANGUAGE = 3, /* RFC 1766 languages, comma separated */
VIR_CRED_CNONCE = 4, /* client supplies a nonce */
VIR_CRED_PASSPHRASE = 5, /* Passphrase secret */
VIR_CRED_ECHOPROMPT = 6, /* Challenge response */
VIR_CRED_NOECHOPROMPT = 7, /* Challenge response */
VIR_CRED_REALM = 8, /* Authentication realm */
VIR_CRED_EXTERNAL = 9, /* Externally managed credential */
/* More may be added - expect the unexpected */
} virConnectCredentialType;
struct _virConnectCredential {
int type; /* One of virConnectCredentialType constants */
const char *prompt; /* Prompt to show to user */
const char *challenge; /* Additional challenge to show */
const char *defresult; /* Optional default result */
char *result; /* Result to be filled with user response (or defresult) */
unsigned int resultlen; /* Length of the result */
};
typedef struct _virConnectCredential virConnectCredential;
typedef virConnectCredential *virConnectCredentialPtr;
/**
* virConnectAuthCallbackPtr:
* @cred: list of virConnectCredential object to fetch from user
* @ncred: size of cred list
* @cbdata: opaque data passed to virConnectOpenAuth
*
* When authentication requires one or more interactions, this callback
* is invoked. For each interaction supplied, data must be gathered
* from the user and filled in to the 'result' and 'resultlen' fields.
* If an interaction can not be filled, fill in NULL and 0.
*
* Returns 0 if all interactions were filled, or -1 upon error
*/
typedef int (*virConnectAuthCallbackPtr)(virConnectCredentialPtr cred,
unsigned int ncred,
void *cbdata);
struct _virConnectAuth {
int *credtype; /* List of supported virConnectCredentialType values */
unsigned int ncredtype;
virConnectAuthCallbackPtr cb; /* Callback used to collect credentials */
void *cbdata;
};
typedef struct _virConnectAuth virConnectAuth;
typedef virConnectAuth *virConnectAuthPtr;
VIR_EXPORT_VAR virConnectAuthPtr virConnectAuthPtrDefault;
/**
* VIR_UUID_BUFLEN:
*
* This macro provides the length of the buffer required
* for virDomainGetUUID()
*/
#define VIR_UUID_BUFLEN (16)
/**
* VIR_UUID_STRING_BUFLEN:
*
* This macro provides the length of the buffer required
* for virDomainGetUUIDString()
*/
#define VIR_UUID_STRING_BUFLEN (36+1)
/* library versioning */
/**
* LIBVIR_VERSION_NUMBER:
*
* Macro providing the version of the library as
* version * 1,000,000 + minor * 1000 + micro
*/
#define LIBVIR_VERSION_NUMBER @LIBVIRT_VERSION_NUMBER@
int virGetVersion (unsigned long *libVer,
const char *type,
unsigned long *typeVer);
/*
* Connection and disconnections to the Hypervisor
*/
int virInitialize (void);
virConnectPtr virConnectOpen (const char *name);
virConnectPtr virConnectOpenReadOnly (const char *name);
virConnectPtr virConnectOpenAuth (const char *name,
virConnectAuthPtr auth,
int flags);
int virConnectRef (virConnectPtr conn);
int virConnectClose (virConnectPtr conn);
const char * virConnectGetType (virConnectPtr conn);
int virConnectGetVersion (virConnectPtr conn,
unsigned long *hvVer);
int virConnectGetLibVersion (virConnectPtr conn,
unsigned long *libVer);
char * virConnectGetHostname (virConnectPtr conn);
char * virConnectGetURI (virConnectPtr conn);
char * virConnectGetSysinfo (virConnectPtr conn,
unsigned int flags);
/*
* Capabilities of the connection / driver.
*/
int virConnectGetMaxVcpus (virConnectPtr conn,
const char *type);
int virNodeGetInfo (virConnectPtr conn,
virNodeInfoPtr info);
char * virConnectGetCapabilities (virConnectPtr conn);
unsigned long long virNodeGetFreeMemory (virConnectPtr conn);
int virNodeGetSecurityModel (virConnectPtr conn,
virSecurityModelPtr secmodel);
/*
* Gather list of running domains
*/
int virConnectListDomains (virConnectPtr conn,
int *ids,
int maxids);
/*
* Number of domains
*/
int virConnectNumOfDomains (virConnectPtr conn);
/*
* Get connection from domain.
*/
virConnectPtr virDomainGetConnect (virDomainPtr domain);
/*
* Domain creation and destruction
*/
virDomainPtr virDomainCreateXML (virConnectPtr conn,
const char *xmlDesc,
unsigned int flags);
virDomainPtr virDomainLookupByName (virConnectPtr conn,
const char *name);
virDomainPtr virDomainLookupByID (virConnectPtr conn,
int id);
virDomainPtr virDomainLookupByUUID (virConnectPtr conn,
const unsigned char *uuid);
virDomainPtr virDomainLookupByUUIDString (virConnectPtr conn,
const char *uuid);
int virDomainShutdown (virDomainPtr domain);
int virDomainReboot (virDomainPtr domain,
unsigned int flags);
int virDomainDestroy (virDomainPtr domain);
int virDomainRef (virDomainPtr domain);
int virDomainFree (virDomainPtr domain);
/*
* Domain suspend/resume
*/
int virDomainSuspend (virDomainPtr domain);
int virDomainResume (virDomainPtr domain);
/*
* Domain save/restore
*/
int virDomainSave (virDomainPtr domain,
const char *to);
int virDomainRestore (virConnectPtr conn,
const char *from);
/*
* Managed domain save
*/
int virDomainManagedSave (virDomainPtr dom,
unsigned int flags);
int virDomainHasManagedSaveImage(virDomainPtr dom,
unsigned int flags);
int virDomainManagedSaveRemove(virDomainPtr dom,
unsigned int flags);
/*
* Domain core dump
*/
int virDomainCoreDump (virDomainPtr domain,
const char *to,
int flags);
/*
* Domain runtime information
*/
int virDomainGetInfo (virDomainPtr domain,
virDomainInfoPtr info);
/*
* Return scheduler type in effect 'sedf', 'credit', 'linux'
*/
char * virDomainGetSchedulerType(virDomainPtr domain,
int *nparams);
/**
* virDomainBlkioParameterType:
*
* A blkio parameter field type
*/
typedef enum {
VIR_DOMAIN_BLKIO_PARAM_INT = 1, /* integer case */
VIR_DOMAIN_BLKIO_PARAM_UINT = 2, /* unsigned integer case */
VIR_DOMAIN_BLKIO_PARAM_LLONG = 3, /* long long case */
VIR_DOMAIN_BLKIO_PARAM_ULLONG = 4, /* unsigned long long case */
VIR_DOMAIN_BLKIO_PARAM_DOUBLE = 5, /* double case */
VIR_DOMAIN_BLKIO_PARAM_BOOLEAN = 6 /* boolean(character) case */
} virBlkioParameterType;
/**
* VIR_DOMAIN_BLKIO_FIELD_LENGTH:
*
* Macro providing the field length of virBlkioParameter
*/
#define VIR_DOMAIN_BLKIO_FIELD_LENGTH 80
/**
* VIR_DOMAIN_BLKIO_WEIGHT:
*
* Macro for the Blkio tunable weight: it represents the io weight
* the guest can use.
*/
#define VIR_DOMAIN_BLKIO_WEIGHT "weight"
/**
* virDomainBlkioParameter:
*
* a virDomainBlkioParameter is the set of blkio parameters
*/
typedef struct _virBlkioParameter virBlkioParameter;
struct _virBlkioParameter {
char field[VIR_DOMAIN_BLKIO_FIELD_LENGTH]; /* parameter name */
int type; /* parameter type */
union {
int i; /* data for integer case */
unsigned int ui; /* data for unsigned integer case */
long long int l; /* data for long long integer case */
unsigned long long int ul; /* data for unsigned long long integer case */
double d; /* data for double case */
char b; /* data for char case */
} value; /* parameter value */
};
/**
* virBlkioParameterPtr:
*
* a virBlkioParameterPtr is a pointer to a virBlkioParameter structure.
*/
typedef virBlkioParameter *virBlkioParameterPtr;
/* Set Blkio tunables for the domain*/
int virDomainSetBlkioParameters(virDomainPtr domain,
virBlkioParameterPtr params,
int nparams, unsigned int flags);
int virDomainGetBlkioParameters(virDomainPtr domain,
virBlkioParameterPtr params,
int *nparams, unsigned int flags);
/**
* virDomainMemoryParameterType:
*
* A memory parameter field type
*/
typedef enum {
VIR_DOMAIN_MEMORY_PARAM_INT = 1, /* integer case */
VIR_DOMAIN_MEMORY_PARAM_UINT = 2, /* unsigned integer case */
VIR_DOMAIN_MEMORY_PARAM_LLONG = 3, /* long long case */
VIR_DOMAIN_MEMORY_PARAM_ULLONG = 4, /* unsigned long long case */
VIR_DOMAIN_MEMORY_PARAM_DOUBLE = 5, /* double case */
VIR_DOMAIN_MEMORY_PARAM_BOOLEAN = 6 /* boolean(character) case */
} virMemoryParameterType;
/**
* VIR_DOMAIN_MEMORY_FIELD_LENGTH:
*
* Macro providing the field length of virMemoryParameter
*/
#define VIR_DOMAIN_MEMORY_FIELD_LENGTH 80
/**
* VIR_DOMAIN_MEMORY_PARAM_UNLIMITED:
*
* Macro providing the virMemoryParameter value that indicates "unlimited"
*/
#define VIR_DOMAIN_MEMORY_PARAM_UNLIMITED 9007199254740991LL /* = INT64_MAX >> 10 */
/**
* VIR_DOMAIN_MEMORY_HARD_LIMIT:
*
* Macro for the memory tunable hard_limit: it represents the maximum memory
* the guest can use.
*/
#define VIR_DOMAIN_MEMORY_HARD_LIMIT "hard_limit"
/**
* VIR_DOMAIN_MEMORY_SOFT_LIMIT:
*
* Macro for the memory tunable soft_limit: it represents the memory upper
* limit enforced during memory contention.
*/
#define VIR_DOMAIN_MEMORY_SOFT_LIMIT "soft_limit"
/**
* VIR_DOMAIN_MEMORY_MIN_GUARANTEE:
*
* Macro for the memory tunable min_guarantee: it represents the minimum
* memory guaranteed to be reserved for the guest.
*/
#define VIR_DOMAIN_MEMORY_MIN_GUARANTEE "min_guarantee"
/**
* VIR_DOMAIN_MEMORY_SWAP_HARD_LIMIT:
*
* Macro for the swap tunable swap_hard_limit: it represents the maximum swap
* the guest can use.
*/
#define VIR_DOMAIN_MEMORY_SWAP_HARD_LIMIT "swap_hard_limit"
/**
* virDomainMemoryParameter:
*
* a virDomainMemoryParameter is the set of scheduler parameters
*/
typedef struct _virMemoryParameter virMemoryParameter;
struct _virMemoryParameter {
char field[VIR_DOMAIN_MEMORY_FIELD_LENGTH]; /* parameter name */
int type; /* parameter type */
union {
int i; /* data for integer case */
unsigned int ui; /* data for unsigned integer case */
long long int l; /* data for long long integer case */
unsigned long long int ul; /* data for unsigned long long integer case */
double d; /* data for double case */
char b; /* data for char case */
} value; /* parameter value */
};
/**
* virMemoryParameterPtr:
*
* a virMemoryParameterPtr is a pointer to a virMemoryParameter structure.
*/
typedef virMemoryParameter *virMemoryParameterPtr;
/* Set memory tunables for the domain*/
int virDomainSetMemoryParameters(virDomainPtr domain,
virMemoryParameterPtr params,
int nparams, unsigned int flags);
int virDomainGetMemoryParameters(virDomainPtr domain,
virMemoryParameterPtr params,
int *nparams, unsigned int flags);
/* Memory size modification flags. */
typedef enum {
VIR_DOMAIN_MEM_LIVE = (1 << 0), /* affect active domain */
VIR_DOMAIN_MEM_CONFIG = (1 << 1), /* affect next boot */
} virDomainMemoryModFlags;
/*
* Dynamic control of domains
*/
const char * virDomainGetName (virDomainPtr domain);
unsigned int virDomainGetID (virDomainPtr domain);
int virDomainGetUUID (virDomainPtr domain,
unsigned char *uuid);
int virDomainGetUUIDString (virDomainPtr domain,
char *buf);
char * virDomainGetOSType (virDomainPtr domain);
unsigned long virDomainGetMaxMemory (virDomainPtr domain);
int virDomainSetMaxMemory (virDomainPtr domain,
unsigned long memory);
int virDomainSetMemory (virDomainPtr domain,
unsigned long memory);
int virDomainSetMemoryFlags (virDomainPtr domain,
unsigned long memory,
unsigned int flags);
int virDomainGetMaxVcpus (virDomainPtr domain);
int virDomainGetSecurityLabel (virDomainPtr domain,
virSecurityLabelPtr seclabel);
/*
* XML domain description
*/
/**
* virDomainXMLFlags:
*
* Flags available for virDomainGetXMLDesc
*/
typedef enum {
VIR_DOMAIN_XML_SECURE = (1 << 0), /* dump security sensitive information too */
VIR_DOMAIN_XML_INACTIVE = (1 << 1), /* dump inactive domain information */
VIR_DOMAIN_XML_UPDATE_CPU = (1 << 2), /* update guest CPU requirements according to host CPU */
} virDomainXMLFlags;
char * virDomainGetXMLDesc (virDomainPtr domain,
int flags);
char * virConnectDomainXMLFromNative(virConnectPtr conn,
const char *nativeFormat,
const char *nativeConfig,
unsigned int flags);
char * virConnectDomainXMLToNative(virConnectPtr conn,
const char *nativeFormat,
const char *domainXml,
unsigned int flags);
int virDomainBlockStats (virDomainPtr dom,
const char *path,
virDomainBlockStatsPtr stats,
size_t size);
int virDomainInterfaceStats (virDomainPtr dom,
const char *path,
virDomainInterfaceStatsPtr stats,
size_t size);
int virDomainMemoryStats (virDomainPtr dom,
virDomainMemoryStatPtr stats,
unsigned int nr_stats,
unsigned int flags);
int virDomainBlockPeek (virDomainPtr dom,
const char *path,
unsigned long long offset,
size_t size,
void *buffer,
unsigned int flags);
/** virDomainBlockInfo:
*
* This struct provides information about the size of a block device backing store
*
* Examples:
*
* - Fully allocated raw file in filesystem:
* * capacity, allocation, physical: All the same
*
* - Sparse raw file in filesystem:
* * capacity: logical size of the file
* * allocation, physical: number of blocks allocated to file
*
* - qcow2 file in filesystem
* * capacity: logical size from qcow2 header
* * allocation, physical: logical size of the file / highest qcow extent (identical)
*
* - qcow2 file in a block device
* * capacity: logical size from qcow2 header
* * allocation: highest qcow extent written
* * physical: size of the block device container
*/
typedef struct _virDomainBlockInfo virDomainBlockInfo;
typedef virDomainBlockInfo *virDomainBlockInfoPtr;
struct _virDomainBlockInfo {
unsigned long long capacity; /* logical size in bytes of the block device backing image */
unsigned long long allocation; /* highest allocated extent in bytes of the block device backing image */
unsigned long long physical; /* physical size in bytes of the container of the backing image */
};
int virDomainGetBlockInfo(virDomainPtr dom,
const char *path,
virDomainBlockInfoPtr info,
unsigned int flags);
/* Memory peeking flags. */
typedef enum {
VIR_MEMORY_VIRTUAL = 1, /* addresses are virtual addresses */
VIR_MEMORY_PHYSICAL = 2, /* addresses are physical addresses */
} virDomainMemoryFlags;
int virDomainMemoryPeek (virDomainPtr dom,
unsigned long long start,
size_t size,
void *buffer,
unsigned int flags);
/*
* defined but not running domains
*/
virDomainPtr virDomainDefineXML (virConnectPtr conn,
const char *xml);
int virDomainUndefine (virDomainPtr domain);
int virConnectNumOfDefinedDomains (virConnectPtr conn);
int virConnectListDefinedDomains (virConnectPtr conn,
char **const names,
int maxnames);
int virDomainCreate (virDomainPtr domain);
int virDomainCreateWithFlags (virDomainPtr domain,
unsigned int flags);
int virDomainGetAutostart (virDomainPtr domain,
int *autostart);
int virDomainSetAutostart (virDomainPtr domain,
int autostart);
/**
* virVcpuInfo: structure for information about a virtual CPU in a domain.
*/
typedef enum {
VIR_VCPU_OFFLINE = 0, /* the virtual CPU is offline */
VIR_VCPU_RUNNING = 1, /* the virtual CPU is running */
VIR_VCPU_BLOCKED = 2, /* the virtual CPU is blocked on resource */
} virVcpuState;
typedef struct _virVcpuInfo virVcpuInfo;
struct _virVcpuInfo {
unsigned int number; /* virtual CPU number */
int state; /* value from virVcpuState */
unsigned long long cpuTime; /* CPU time used, in nanoseconds */
int cpu; /* real CPU number, or -1 if offline */
};
typedef virVcpuInfo *virVcpuInfoPtr;
/* Flags for controlling virtual CPU hot-plugging. */
typedef enum {
/* Must choose at least one of these two bits; SetVcpus can choose both */
VIR_DOMAIN_VCPU_LIVE = (1 << 0), /* Affect active domain */
VIR_DOMAIN_VCPU_CONFIG = (1 << 1), /* Affect next boot */
/* Additional flags to be bit-wise OR'd in */
VIR_DOMAIN_VCPU_MAXIMUM = (1 << 2), /* Max rather than current count */
} virDomainVcpuFlags;
int virDomainSetVcpus (virDomainPtr domain,
unsigned int nvcpus);
int virDomainSetVcpusFlags (virDomainPtr domain,
unsigned int nvcpus,
unsigned int flags);
int virDomainGetVcpusFlags (virDomainPtr domain,
unsigned int flags);
int virDomainPinVcpu (virDomainPtr domain,
unsigned int vcpu,
unsigned char *cpumap,
int maplen);
/**
* VIR_USE_CPU:
* @cpumap: pointer to a bit map of real CPUs (in 8-bit bytes) (IN/OUT)
* @cpu: the physical CPU number
*
* This macro is to be used in conjunction with virDomainPinVcpu() API.
* USE_CPU macro set the bit (CPU usable) of the related cpu in cpumap.
*/
#define VIR_USE_CPU(cpumap,cpu) (cpumap[(cpu)/8] |= (1<<((cpu)%8)))
/**
* VIR_UNUSE_CPU:
* @cpumap: pointer to a bit map of real CPUs (in 8-bit bytes) (IN/OUT)
* @cpu: the physical CPU number
*
* This macro is to be used in conjunction with virDomainPinVcpu() API.
* USE_CPU macro reset the bit (CPU not usable) of the related cpu in cpumap.
*/
#define VIR_UNUSE_CPU(cpumap,cpu) (cpumap[(cpu)/8] &= ~(1<<((cpu)%8)))
/**
* VIR_CPU_MAPLEN:
* @cpu: number of physical CPUs
*
* This macro is to be used in conjunction with virDomainPinVcpu() API.
* It returns the length (in bytes) required to store the complete
* CPU map between a single virtual & all physical CPUs of a domain.
*/
#define VIR_CPU_MAPLEN(cpu) (((cpu)+7)/8)
int virDomainGetVcpus (virDomainPtr domain,
virVcpuInfoPtr info,
int maxinfo,
unsigned char *cpumaps,
int maplen);
/**
* VIR_CPU_USABLE:
* @cpumaps: pointer to an array of cpumap (in 8-bit bytes) (IN)
* @maplen: the length (in bytes) of one cpumap
* @vcpu: the virtual CPU number
* @cpu: the physical CPU number
*
* This macro is to be used in conjunction with virDomainGetVcpus() API.
* VIR_CPU_USABLE macro returns a non zero value (true) if the cpu
* is usable by the vcpu, and 0 otherwise.
*/
#define VIR_CPU_USABLE(cpumaps,maplen,vcpu,cpu) \
(cpumaps[((vcpu)*(maplen))+((cpu)/8)] & (1<<((cpu)%8)))
/**
* VIR_COPY_CPUMAP:
* @cpumaps: pointer to an array of cpumap (in 8-bit bytes) (IN)
* @maplen: the length (in bytes) of one cpumap
* @vcpu: the virtual CPU number
* @cpumap: pointer to a cpumap (in 8-bit bytes) (OUT)
* This cpumap must be previously allocated by the caller
* (ie: malloc(maplen))
*
* This macro is to be used in conjunction with virDomainGetVcpus() and
* virDomainPinVcpu() APIs. VIR_COPY_CPUMAP macro extract the cpumap of
* the specified vcpu from cpumaps array and copy it into cpumap to be used
* later by virDomainPinVcpu() API.
*/
#define VIR_COPY_CPUMAP(cpumaps,maplen,vcpu,cpumap) \
memcpy(cpumap, &(cpumaps[(vcpu)*(maplen)]), (maplen))
/**
* VIR_GET_CPUMAP:
* @cpumaps: pointer to an array of cpumap (in 8-bit bytes) (IN)
* @maplen: the length (in bytes) of one cpumap
* @vcpu: the virtual CPU number
*
* This macro is to be used in conjunction with virDomainGetVcpus() and
* virDomainPinVcpu() APIs. VIR_GET_CPUMAP macro returns a pointer to the
* cpumap of the specified vcpu from cpumaps array.
*/
#define VIR_GET_CPUMAP(cpumaps,maplen,vcpu) &(cpumaps[(vcpu)*(maplen)])
typedef enum {
VIR_DOMAIN_DEVICE_MODIFY_CURRENT = 0, /* Modify device allocation based on current domain state */
VIR_DOMAIN_DEVICE_MODIFY_LIVE = (1 << 0), /* Modify live device allocation */
VIR_DOMAIN_DEVICE_MODIFY_CONFIG = (1 << 1), /* Modify persisted device allocation */
VIR_DOMAIN_DEVICE_MODIFY_FORCE = (1 << 2), /* Forcibly modify device
(ex. force eject a cdrom) */
} virDomainDeviceModifyFlags;
int virDomainAttachDevice(virDomainPtr domain, const char *xml);
int virDomainDetachDevice(virDomainPtr domain, const char *xml);
int virDomainAttachDeviceFlags(virDomainPtr domain,
const char *xml, unsigned int flags);
int virDomainDetachDeviceFlags(virDomainPtr domain,
const char *xml, unsigned int flags);
int virDomainUpdateDeviceFlags(virDomainPtr domain,
const char *xml, unsigned int flags);
/*
* NUMA support
*/
int virNodeGetCellsFreeMemory(virConnectPtr conn,
unsigned long long *freeMems,
int startCell,
int maxCells);
/*
* Virtual Networks API
*/
/**
* virNetwork:
*
* a virNetwork is a private structure representing a virtual network.
*/
typedef struct _virNetwork virNetwork;
/**
* virNetworkPtr:
*
* a virNetworkPtr is pointer to a virNetwork private structure, this is the
* type used to reference a virtual network in the API.
*/
typedef virNetwork *virNetworkPtr;
/*
* Get connection from network.
*/
virConnectPtr virNetworkGetConnect (virNetworkPtr network);
/*
* List active networks
*/
int virConnectNumOfNetworks (virConnectPtr conn);
int virConnectListNetworks (virConnectPtr conn,
char **const names,
int maxnames);
/*
* List inactive networks
*/
int virConnectNumOfDefinedNetworks (virConnectPtr conn);
int virConnectListDefinedNetworks (virConnectPtr conn,
char **const names,
int maxnames);
/*
* Lookup network by name or uuid
*/
virNetworkPtr virNetworkLookupByName (virConnectPtr conn,
const char *name);
virNetworkPtr virNetworkLookupByUUID (virConnectPtr conn,
const unsigned char *uuid);
virNetworkPtr virNetworkLookupByUUIDString (virConnectPtr conn,
const char *uuid);
/*
* Create active transient network
*/
virNetworkPtr virNetworkCreateXML (virConnectPtr conn,
const char *xmlDesc);
/*
* Define inactive persistent network
*/
virNetworkPtr virNetworkDefineXML (virConnectPtr conn,
const char *xmlDesc);
/*
* Delete persistent network
*/
int virNetworkUndefine (virNetworkPtr network);
/*
* Activate persistent network
*/
int virNetworkCreate (virNetworkPtr network);
/*
* Network destroy/free
*/
int virNetworkDestroy (virNetworkPtr network);
int virNetworkRef (virNetworkPtr network);
int virNetworkFree (virNetworkPtr network);
/*
* Network information
*/
const char* virNetworkGetName (virNetworkPtr network);
int virNetworkGetUUID (virNetworkPtr network,
unsigned char *uuid);
int virNetworkGetUUIDString (virNetworkPtr network,
char *buf);
char * virNetworkGetXMLDesc (virNetworkPtr network,
int flags);
char * virNetworkGetBridgeName (virNetworkPtr network);
int virNetworkGetAutostart (virNetworkPtr network,
int *autostart);
int virNetworkSetAutostart (virNetworkPtr network,
int autostart);
/*
* Physical host interface configuration API
*/
/**
* virInterface:
*
* a virInterface is a private structure representing a virtual interface.
*/
typedef struct _virInterface virInterface;
/**
* virInterfacePtr:
*
* a virInterfacePtr is pointer to a virInterface private structure, this is the
* type used to reference a virtual interface in the API.
*/
typedef virInterface *virInterfacePtr;
virConnectPtr virInterfaceGetConnect (virInterfacePtr iface);
int virConnectNumOfInterfaces (virConnectPtr conn);
int virConnectListInterfaces (virConnectPtr conn,
char **const names,
int maxnames);
int virConnectNumOfDefinedInterfaces (virConnectPtr conn);
int virConnectListDefinedInterfaces (virConnectPtr conn,
char **const names,
int maxnames);
virInterfacePtr virInterfaceLookupByName (virConnectPtr conn,
const char *name);
virInterfacePtr virInterfaceLookupByMACString (virConnectPtr conn,
const char *mac);
const char* virInterfaceGetName (virInterfacePtr iface);
const char* virInterfaceGetMACString (virInterfacePtr iface);
typedef enum {
VIR_INTERFACE_XML_INACTIVE = 1 /* dump inactive interface information */
} virInterfaceXMLFlags;
char * virInterfaceGetXMLDesc (virInterfacePtr iface,
unsigned int flags);
virInterfacePtr virInterfaceDefineXML (virConnectPtr conn,
const char *xmlDesc,
unsigned int flags);
int virInterfaceUndefine (virInterfacePtr iface);
int virInterfaceCreate (virInterfacePtr iface,
unsigned int flags);
int virInterfaceDestroy (virInterfacePtr iface,
unsigned int flags);
int virInterfaceRef (virInterfacePtr iface);
int virInterfaceFree (virInterfacePtr iface);
/**
* virStoragePool:
*
* a virStoragePool is a private structure representing a storage pool
*/
typedef struct _virStoragePool virStoragePool;
/**
* virStoragePoolPtr:
*
* a virStoragePoolPtr is pointer to a virStoragePool private structure, this is the
* type used to reference a storage pool in the API.
*/
typedef virStoragePool *virStoragePoolPtr;
typedef enum {
VIR_STORAGE_POOL_INACTIVE = 0, /* Not running */
VIR_STORAGE_POOL_BUILDING = 1, /* Initializing pool, not available */
VIR_STORAGE_POOL_RUNNING = 2, /* Running normally */
VIR_STORAGE_POOL_DEGRADED = 3, /* Running degraded */
VIR_STORAGE_POOL_INACCESSIBLE = 4, /* Running, but not accessible */
} virStoragePoolState;
typedef enum {
VIR_STORAGE_POOL_BUILD_NEW = 0, /* Regular build from scratch */
VIR_STORAGE_POOL_BUILD_REPAIR = 1, /* Repair / reinitialize */
VIR_STORAGE_POOL_BUILD_RESIZE = 2 /* Extend existing pool */
} virStoragePoolBuildFlags;
typedef enum {
VIR_STORAGE_POOL_DELETE_NORMAL = 0, /* Delete metadata only (fast) */
VIR_STORAGE_POOL_DELETE_ZEROED = 1, /* Clear all data to zeros (slow) */
} virStoragePoolDeleteFlags;
typedef struct _virStoragePoolInfo virStoragePoolInfo;
struct _virStoragePoolInfo {
int state; /* virStoragePoolState flags */
unsigned long long capacity; /* Logical size bytes */
unsigned long long allocation; /* Current allocation bytes */
unsigned long long available; /* Remaining free space bytes */
};
typedef virStoragePoolInfo *virStoragePoolInfoPtr;
/**
* virStorageVol:
*
* a virStorageVol is a private structure representing a storage volume
*/
typedef struct _virStorageVol virStorageVol;
/**
* virStorageVolPtr:
*
* a virStorageVolPtr is pointer to a virStorageVol private structure, this is the
* type used to reference a storage volume in the API.
*/
typedef virStorageVol *virStorageVolPtr;
typedef enum {
VIR_STORAGE_VOL_FILE = 0, /* Regular file based volumes */
VIR_STORAGE_VOL_BLOCK = 1, /* Block based volumes */
} virStorageVolType;
typedef enum {
VIR_STORAGE_VOL_DELETE_NORMAL = 0, /* Delete metadata only (fast) */
VIR_STORAGE_VOL_DELETE_ZEROED = 1, /* Clear all data to zeros (slow) */
} virStorageVolDeleteFlags;
typedef struct _virStorageVolInfo virStorageVolInfo;
struct _virStorageVolInfo {
int type; /* virStorageVolType flags */
unsigned long long capacity; /* Logical size bytes */
unsigned long long allocation; /* Current allocation bytes */
};
typedef virStorageVolInfo *virStorageVolInfoPtr;
/*
* Get connection from pool.
*/
virConnectPtr virStoragePoolGetConnect (virStoragePoolPtr pool);
/*
* List active storage pools
*/
int virConnectNumOfStoragePools (virConnectPtr conn);
int virConnectListStoragePools (virConnectPtr conn,
char **const names,
int maxnames);
/*
* List inactive storage pools
*/
int virConnectNumOfDefinedStoragePools(virConnectPtr conn);
int virConnectListDefinedStoragePools(virConnectPtr conn,
char **const names,
int maxnames);
/*
* Query a host for storage pools of a particular type
*/
char * virConnectFindStoragePoolSources(virConnectPtr conn,
const char *type,
const char *srcSpec,
unsigned int flags);
/*
* Lookup pool by name or uuid
*/
virStoragePoolPtr virStoragePoolLookupByName (virConnectPtr conn,
const char *name);
virStoragePoolPtr virStoragePoolLookupByUUID (virConnectPtr conn,
const unsigned char *uuid);
virStoragePoolPtr virStoragePoolLookupByUUIDString(virConnectPtr conn,
const char *uuid);
virStoragePoolPtr virStoragePoolLookupByVolume (virStorageVolPtr vol);
/*
* Creating/destroying pools
*/
virStoragePoolPtr virStoragePoolCreateXML (virConnectPtr conn,
const char *xmlDesc,
unsigned int flags);
virStoragePoolPtr virStoragePoolDefineXML (virConnectPtr conn,
const char *xmlDesc,
unsigned int flags);
int virStoragePoolBuild (virStoragePoolPtr pool,
unsigned int flags);
int virStoragePoolUndefine (virStoragePoolPtr pool);
int virStoragePoolCreate (virStoragePoolPtr pool,
unsigned int flags);
int virStoragePoolDestroy (virStoragePoolPtr pool);
int virStoragePoolDelete (virStoragePoolPtr pool,
unsigned int flags);
int virStoragePoolRef (virStoragePoolPtr pool);
int virStoragePoolFree (virStoragePoolPtr pool);
int virStoragePoolRefresh (virStoragePoolPtr pool,
unsigned int flags);
/*
* StoragePool information
*/
const char* virStoragePoolGetName (virStoragePoolPtr pool);
int virStoragePoolGetUUID (virStoragePoolPtr pool,
unsigned char *uuid);
int virStoragePoolGetUUIDString (virStoragePoolPtr pool,
char *buf);
int virStoragePoolGetInfo (virStoragePoolPtr vol,
virStoragePoolInfoPtr info);
char * virStoragePoolGetXMLDesc (virStoragePoolPtr pool,
unsigned int flags);
int virStoragePoolGetAutostart (virStoragePoolPtr pool,
int *autostart);
int virStoragePoolSetAutostart (virStoragePoolPtr pool,
int autostart);
/*
* List/lookup storage volumes within a pool
*/
int virStoragePoolNumOfVolumes (virStoragePoolPtr pool);
int virStoragePoolListVolumes (virStoragePoolPtr pool,
char **const names,
int maxnames);
virConnectPtr virStorageVolGetConnect (virStorageVolPtr vol);
/*
* Lookup volumes based on various attributes
*/
virStorageVolPtr virStorageVolLookupByName (virStoragePoolPtr pool,
const char *name);
virStorageVolPtr virStorageVolLookupByKey (virConnectPtr conn,
const char *key);
virStorageVolPtr virStorageVolLookupByPath (virConnectPtr conn,
const char *path);
const char* virStorageVolGetName (virStorageVolPtr vol);
const char* virStorageVolGetKey (virStorageVolPtr vol);
virStorageVolPtr virStorageVolCreateXML (virStoragePoolPtr pool,
const char *xmldesc,
unsigned int flags);
virStorageVolPtr virStorageVolCreateXMLFrom (virStoragePoolPtr pool,
const char *xmldesc,
virStorageVolPtr clonevol,
unsigned int flags);
int virStorageVolDelete (virStorageVolPtr vol,
unsigned int flags);
int virStorageVolWipe (virStorageVolPtr vol,
unsigned int flags);
int virStorageVolRef (virStorageVolPtr vol);
int virStorageVolFree (virStorageVolPtr vol);
int virStorageVolGetInfo (virStorageVolPtr vol,
virStorageVolInfoPtr info);
char * virStorageVolGetXMLDesc (virStorageVolPtr pool,
unsigned int flags);
char * virStorageVolGetPath (virStorageVolPtr vol);
/*
* Deprecated calls
*/
virDomainPtr virDomainCreateLinux (virConnectPtr conn,
const char *xmlDesc,
unsigned int flags);
/*
* Host device enumeration
*/
/**
* virNodeDevice:
*
* A virNodeDevice contains a node (host) device details.
*/
typedef struct _virNodeDevice virNodeDevice;
/**
* virNodeDevicePtr:
*
* A virNodeDevicePtr is a pointer to a virNodeDevice structure. Get
* one via virNodeDeviceLookupByKey, virNodeDeviceLookupByName, or
* virNodeDeviceCreate. Be sure to Call virNodeDeviceFree when done
* using a virNodeDevicePtr obtained from any of the above functions to
* avoid leaking memory.
*/
typedef virNodeDevice *virNodeDevicePtr;
int virNodeNumOfDevices (virConnectPtr conn,
const char *cap,
unsigned int flags);
int virNodeListDevices (virConnectPtr conn,
const char *cap,
char **const names,
int maxnames,
unsigned int flags);
virNodeDevicePtr virNodeDeviceLookupByName (virConnectPtr conn,
const char *name);
const char * virNodeDeviceGetName (virNodeDevicePtr dev);
const char * virNodeDeviceGetParent (virNodeDevicePtr dev);
int virNodeDeviceNumOfCaps (virNodeDevicePtr dev);
int virNodeDeviceListCaps (virNodeDevicePtr dev,
char **const names,
int maxnames);
char * virNodeDeviceGetXMLDesc (virNodeDevicePtr dev,
unsigned int flags);
int virNodeDeviceRef (virNodeDevicePtr dev);
int virNodeDeviceFree (virNodeDevicePtr dev);
int virNodeDeviceDettach (virNodeDevicePtr dev);
int virNodeDeviceReAttach (virNodeDevicePtr dev);
int virNodeDeviceReset (virNodeDevicePtr dev);
virNodeDevicePtr virNodeDeviceCreateXML (virConnectPtr conn,
const char *xmlDesc,
unsigned int flags);
int virNodeDeviceDestroy (virNodeDevicePtr dev);
/*
* Domain Event Notification
*/
/**
* virDomainEventType:
*
* a virDomainEventType is emitted during domain lifecycle events
*/
typedef enum {
VIR_DOMAIN_EVENT_DEFINED = 0,
VIR_DOMAIN_EVENT_UNDEFINED = 1,
VIR_DOMAIN_EVENT_STARTED = 2,
VIR_DOMAIN_EVENT_SUSPENDED = 3,
VIR_DOMAIN_EVENT_RESUMED = 4,
VIR_DOMAIN_EVENT_STOPPED = 5,
} virDomainEventType;
/**
* virDomainEventDefinedDetailType:
*
* Details on the caused of the 'defined' lifecycle event
*/
typedef enum {
VIR_DOMAIN_EVENT_DEFINED_ADDED = 0, /* Newly created config file */
VIR_DOMAIN_EVENT_DEFINED_UPDATED = 1, /* Changed config file */
} virDomainEventDefinedDetailType;
/**
* virDomainEventUndefinedDetailType:
*
* Details on the caused of the 'undefined' lifecycle event
*/
typedef enum {
VIR_DOMAIN_EVENT_UNDEFINED_REMOVED = 0, /* Deleted the config file */
} virDomainEventUndefinedDetailType;
/**
* virDomainEventStartedDetailType:
*
* Details on the caused of the 'started' lifecycle event
*/
typedef enum {
VIR_DOMAIN_EVENT_STARTED_BOOTED = 0, /* Normal startup from boot */
VIR_DOMAIN_EVENT_STARTED_MIGRATED = 1, /* Incoming migration from another host */
VIR_DOMAIN_EVENT_STARTED_RESTORED = 2, /* Restored from a state file */
VIR_DOMAIN_EVENT_STARTED_FROM_SNAPSHOT = 3, /* Restored from snapshot */
} virDomainEventStartedDetailType;
/**
* virDomainEventSuspendedDetailType:
*
* Details on the caused of the 'suspended' lifecycle event
*/
typedef enum {
VIR_DOMAIN_EVENT_SUSPENDED_PAUSED = 0, /* Normal suspend due to admin pause */
VIR_DOMAIN_EVENT_SUSPENDED_MIGRATED = 1, /* Suspended for offline migration */
VIR_DOMAIN_EVENT_SUSPENDED_IOERROR = 2, /* Suspended due to a disk I/O error */
VIR_DOMAIN_EVENT_SUSPENDED_WATCHDOG = 3, /* Suspended due to a watchdog firing */
} virDomainEventSuspendedDetailType;
/**
* virDomainEventResumedDetailType:
*
* Details on the caused of the 'resumed' lifecycle event
*/
typedef enum {
VIR_DOMAIN_EVENT_RESUMED_UNPAUSED = 0, /* Normal resume due to admin unpause */
VIR_DOMAIN_EVENT_RESUMED_MIGRATED = 1, /* Resumed for completion of migration */
} virDomainEventResumedDetailType;
/**
* virDomainEventStoppedDetailType:
*
* Details on the caused of the 'stopped' lifecycle event
*/
typedef enum {
VIR_DOMAIN_EVENT_STOPPED_SHUTDOWN = 0, /* Normal shutdown */
VIR_DOMAIN_EVENT_STOPPED_DESTROYED = 1, /* Forced poweroff from host */
VIR_DOMAIN_EVENT_STOPPED_CRASHED = 2, /* Guest crashed */
VIR_DOMAIN_EVENT_STOPPED_MIGRATED = 3, /* Migrated off to another host */
VIR_DOMAIN_EVENT_STOPPED_SAVED = 4, /* Saved to a state file */
VIR_DOMAIN_EVENT_STOPPED_FAILED = 5, /* Host emulator/mgmt failed */
VIR_DOMAIN_EVENT_STOPPED_FROM_SNAPSHOT = 6, /* offline snapshot loaded */
} virDomainEventStoppedDetailType;
/**
* virConnectDomainEventCallback:
* @conn: virConnect connection
* @dom: The domain on which the event occured
* @event: The specfic virDomainEventType which occured
* @detail: event specific detail information
* @opaque: opaque user data
*
* A callback function to be registered, and called when a domain event occurs
*/
typedef int (*virConnectDomainEventCallback)(virConnectPtr conn,
virDomainPtr dom,
int event,
int detail,
void *opaque);
/*
* virFreeCallback:
* @opaque: opaque user data provided at registration
*
* Type for a domain event callback when the event is deregistered and
* need to be freed, @opaque is provided along with the callback at
* registration time
*/
typedef void (*virFreeCallback)(void *opaque);
int virConnectDomainEventRegister(virConnectPtr conn,
virConnectDomainEventCallback cb,
void *opaque,
virFreeCallback freecb);
int virConnectDomainEventDeregister(virConnectPtr conn,
virConnectDomainEventCallback cb);
/*
* Events Implementation
*/
/**
* virEventHandleType:
*
* a virEventHandleType is used similar to POLLxxx FD events, but is specific
* to libvirt. A client app must translate to, and from POLL events when using
* this construct.
*/
typedef enum {
VIR_EVENT_HANDLE_READABLE = (1 << 0),
VIR_EVENT_HANDLE_WRITABLE = (1 << 1),
VIR_EVENT_HANDLE_ERROR = (1 << 2),
VIR_EVENT_HANDLE_HANGUP = (1 << 3),
} virEventHandleType;
/**
* virEventHandleCallback:
*
* @watch: watch on which the event occurred
* @fd: file handle on which the event occurred
* @events: bitset of events from virEventHandleType constants
* @opaque: user data registered with handle
*
* Callback for receiving file handle events. The callback will
* be invoked once for each event which is pending.
*/
typedef void (*virEventHandleCallback)(int watch, int fd, int events, void *opaque);
/**
* virEventAddHandleFunc:
* @fd: file descriptor to listen on
* @event: bitset of events on which to fire the callback
* @cb: the callback to be called when an event occurrs
* @opaque: user data to pass to the callback
* @ff: the callback invoked to free opaque data blob
*
* Part of the EventImpl, this callback Adds a file handle callback to
* listen for specific events. The same file handle can be registered
* multiple times provided the requested event sets are non-overlapping
*
* If the opaque user data requires free'ing when the handle
* is unregistered, then a 2nd callback can be supplied for
* this purpose.
*
* Returns a handle watch number to be used for updating
* and unregistering for events
*/
typedef int (*virEventAddHandleFunc)(int fd, int event,
virEventHandleCallback cb,
void *opaque,
virFreeCallback ff);
/**
* virEventUpdateHandleFunc:
* @watch: file descriptor watch to modify
* @event: new events to listen on
*
* Part of the EventImpl, this user-provided callback is notified when
* events to listen on change
*/
typedef void (*virEventUpdateHandleFunc)(int watch, int event);
/**
* virEventRemoveHandleFunc:
* @watch: file descriptor watch to stop listening on
*
* Part of the EventImpl, this user-provided callback is notified when
* an fd is no longer being listened on.
*
* If a virEventHandleFreeFunc was supplied when the handle was
* registered, it will be invoked some time during, or after this
* function call, when it is safe to release the user data.
*/
typedef int (*virEventRemoveHandleFunc)(int watch);
/**
* virEventTimeoutCallback:
*
* @timer: timer id emitting the event
* @opaque: user data registered with handle
*
* callback for receiving timer events
*/
typedef void (*virEventTimeoutCallback)(int timer, void *opaque);
/**
* virEventAddTimeoutFunc:
* @timeout: The timeout to monitor
* @cb: the callback to call when timeout has expired
* @opaque: user data to pass to the callback
* @ff: the callback invoked to free opaque data blob
*
* Part of the EventImpl, this user-defined callback handles adding an
* event timeout.
*
* If the opaque user data requires free'ing when the handle
* is unregistered, then a 2nd callback can be supplied for
* this purpose.
*
* Returns a timer value
*/
typedef int (*virEventAddTimeoutFunc)(int timeout,
virEventTimeoutCallback cb,
void *opaque,
virFreeCallback ff);
/**
* virEventUpdateTimeoutFunc:
* @timer: the timer to modify
* @timeout: the new timeout value
*
* Part of the EventImpl, this user-defined callback updates an
* event timeout.
*/
typedef void (*virEventUpdateTimeoutFunc)(int timer, int timeout);
/**
* virEventRemoveTimeoutFunc:
* @timer: the timer to remove
*
* Part of the EventImpl, this user-defined callback removes a timer
*
* If a virEventTimeoutFreeFunc was supplied when the handle was
* registered, it will be invoked some time during, or after this
* function call, when it is safe to release the user data.
*
* Returns 0 on success, -1 on failure
*/
typedef int (*virEventRemoveTimeoutFunc)(int timer);
void virEventRegisterImpl(virEventAddHandleFunc addHandle,
virEventUpdateHandleFunc updateHandle,
virEventRemoveHandleFunc removeHandle,
virEventAddTimeoutFunc addTimeout,
virEventUpdateTimeoutFunc updateTimeout,
virEventRemoveTimeoutFunc removeTimeout);
int virEventRegisterDefaultImpl(void);
int virEventRunDefaultImpl(void);
/*
* Secret manipulation API
*/
/**
* virSecret:
*
* A virSecret stores a secret value (e.g. a passphrase or encryption key)
* and associated metadata.
*/
typedef struct _virSecret virSecret;
typedef virSecret *virSecretPtr;
typedef enum {
VIR_SECRET_USAGE_TYPE_NONE = 0,
VIR_SECRET_USAGE_TYPE_VOLUME = 1,
/* Expect more owner types later... */
} virSecretUsageType;
virConnectPtr virSecretGetConnect (virSecretPtr secret);
int virConnectNumOfSecrets (virConnectPtr conn);
int virConnectListSecrets (virConnectPtr conn,
char **uuids,
int maxuuids);
virSecretPtr virSecretLookupByUUID(virConnectPtr conn,
const unsigned char *uuid);
virSecretPtr virSecretLookupByUUIDString(virConnectPtr conn,
const char *uuid);
virSecretPtr virSecretLookupByUsage(virConnectPtr conn,
int usageType,
const char *usageID);
virSecretPtr virSecretDefineXML (virConnectPtr conn,
const char *xml,
unsigned int flags);
int virSecretGetUUID (virSecretPtr secret,
unsigned char *buf);
int virSecretGetUUIDString (virSecretPtr secret,
char *buf);
int virSecretGetUsageType (virSecretPtr secret);
const char * virSecretGetUsageID (virSecretPtr secret);
char * virSecretGetXMLDesc (virSecretPtr secret,
unsigned int flags);
int virSecretSetValue (virSecretPtr secret,
const unsigned char *value,
size_t value_size,
unsigned int flags);
unsigned char * virSecretGetValue (virSecretPtr secret,
size_t *value_size,
unsigned int flags);
int virSecretUndefine (virSecretPtr secret);
int virSecretRef (virSecretPtr secret);
int virSecretFree (virSecretPtr secret);
typedef enum {
VIR_STREAM_NONBLOCK = (1 << 0),
} virStreamFlags;
virStreamPtr virStreamNew(virConnectPtr conn,
unsigned int flags);
int virStreamRef(virStreamPtr st);
int virStreamSend(virStreamPtr st,
const char *data,
size_t nbytes);
int virStreamRecv(virStreamPtr st,
char *data,
size_t nbytes);
/**
* virStreamSourceFunc:
*
* @st: the stream object
* @data: preallocated array to be filled with data
* @nbytes: size of the data array
* @opaque: optional application provided data
*
* The virStreamSourceFunc callback is used together
* with the virStreamSendAll function for libvirt to
* obtain the data that is to be sent.
*
* The callback will be invoked multiple times,
* fetching data in small chunks. The application
* should fill the 'data' array with upto 'nbytes'
* of data and then return the number actual number
* of bytes. The callback will continue to be
* invoked until it indicates the end of the source
* has been reached by returning 0. A return value
* of -1 at any time will abort the send operation
*
* Returns the number of bytes filled, 0 upon end
* of file, or -1 upon error
*/
typedef int (*virStreamSourceFunc)(virStreamPtr st,
char *data,
size_t nbytes,
void *opaque);
int virStreamSendAll(virStreamPtr st,
virStreamSourceFunc handler,
void *opaque);
/**
* virStreamSinkFunc:
*
* @st: the stream object
* @data: preallocated array to be filled with data
* @nbytes: size of the data array
* @opaque: optional application provided data
*
* The virStreamSinkFunc callback is used together
* with the virStreamRecvAll function for libvirt to
* provide the data that has been received.
*
* The callback will be invoked multiple times,
* providing data in small chunks. The application
* should consume up 'nbytes' from the 'data' array
* of data and then return the number actual number
* of bytes consumed. The callback will continue to be
* invoked until it indicates the end of the stream
* has been reached. A return value of -1 at any time
* will abort the receive operation
*
* Returns the number of bytes consumed or -1 upon
* error
*/
typedef int (*virStreamSinkFunc)(virStreamPtr st,
const char *data,
size_t nbytes,
void *opaque);
int virStreamRecvAll(virStreamPtr st,
virStreamSinkFunc handler,
void *opaque);
typedef enum {
VIR_STREAM_EVENT_READABLE = (1 << 0),
VIR_STREAM_EVENT_WRITABLE = (1 << 1),
VIR_STREAM_EVENT_ERROR = (1 << 2),
VIR_STREAM_EVENT_HANGUP = (1 << 3),
} virStreamEventType;
/**
* virStreamEventCallback:
*
* @stream: stream on which the event occurred
* @events: bitset of events from virEventHandleType constants
* @opaque: user data registered with handle
*
* Callback for receiving stream events. The callback will
* be invoked once for each event which is pending.
*/
typedef void (*virStreamEventCallback)(virStreamPtr stream, int events, void *opaque);
int virStreamEventAddCallback(virStreamPtr stream,
int events,
virStreamEventCallback cb,
void *opaque,
virFreeCallback ff);
int virStreamEventUpdateCallback(virStreamPtr stream,
int events);
int virStreamEventRemoveCallback(virStreamPtr stream);
int virStreamFinish(virStreamPtr st);
int virStreamAbort(virStreamPtr st);
int virStreamFree(virStreamPtr st);
int virDomainIsActive(virDomainPtr dom);
int virDomainIsPersistent(virDomainPtr dom);
int virDomainIsUpdated(virDomainPtr dom);
int virNetworkIsActive(virNetworkPtr net);
int virNetworkIsPersistent(virNetworkPtr net);
int virStoragePoolIsActive(virStoragePoolPtr pool);
int virStoragePoolIsPersistent(virStoragePoolPtr pool);
int virInterfaceIsActive(virInterfacePtr iface);
int virConnectIsEncrypted(virConnectPtr conn);
int virConnectIsSecure(virConnectPtr conn);
/*
* CPU specification API
*/
typedef enum {
VIR_CPU_COMPARE_ERROR = -1,
VIR_CPU_COMPARE_INCOMPATIBLE = 0,
VIR_CPU_COMPARE_IDENTICAL = 1,
VIR_CPU_COMPARE_SUPERSET = 2
} virCPUCompareResult;
/**
* virConnectCompareCPU:
*
* @conn: virConnect connection
* @xmlDesc: XML description of either guest or host cpu with <cpu> root tag
* @flags: comparison flags
*
* Compares given CPU with host cpu.
*
* Returns virCPUCompareResult.
*/
int virConnectCompareCPU(virConnectPtr conn,
const char *xmlDesc,
unsigned int flags);
/**
* virConnectBaselineCPU:
*
* @conn: virConnect connection
* @ncpus: number of CPUs in xmlCPUs
* @xmlCPUs: array of XML descriptions of host CPUs
* @flags: fine-tuning flags
*
* Computes the most feature-rich CPU which is compatible with all given
* host CPUs.
*
* Returns XML description of the computed CPU or NULL on error.
*/
char *virConnectBaselineCPU(virConnectPtr conn,
const char **xmlCPUs,
unsigned int ncpus,
unsigned int flags);
typedef enum {
VIR_DOMAIN_JOB_NONE = 0, /* No job is active */
VIR_DOMAIN_JOB_BOUNDED = 1, /* Job with a finite completion time */
VIR_DOMAIN_JOB_UNBOUNDED = 2, /* Job without a finite completion time */
VIR_DOMAIN_JOB_COMPLETED = 3, /* Job has finished, but isn't cleaned up */
VIR_DOMAIN_JOB_FAILED = 4, /* Job hit error, but isn't cleaned up */
VIR_DOMAIN_JOB_CANCELLED = 5, /* Job was aborted, but isn't cleaned up */
} virDomainJobType;
typedef struct _virDomainJobInfo virDomainJobInfo;
typedef virDomainJobInfo *virDomainJobInfoPtr;
struct _virDomainJobInfo {
/* One of virDomainJobType */
int type;
/* Time is measured in mill-seconds */
unsigned long long timeElapsed; /* Always set */
unsigned long long timeRemaining; /* Only for VIR_DOMAIN_JOB_BOUNDED */
/* Data is measured in bytes unless otherwise specified
* and is measuring the job as a whole
*
* For VIR_DOMAIN_JOB_UNBOUNDED, dataTotal may be less
* than the final sum of dataProcessed + dataRemaining
* in the event that the hypervisor has to repeat some
* data eg due to dirtied pages during migration
*
* For VIR_DOMAIN_JOB_BOUNDED, dataTotal shall always
* equal sum of dataProcessed + dataRemaining
*/
unsigned long long dataTotal;
unsigned long long dataProcessed;
unsigned long long dataRemaining;
/* As above, but only tracking guest memory progress */
unsigned long long memTotal;
unsigned long long memProcessed;
unsigned long long memRemaining;
/* As above, but only tracking guest disk file progress */
unsigned long long fileTotal;
unsigned long long fileProcessed;
unsigned long long fileRemaining;
};
int virDomainGetJobInfo(virDomainPtr dom,
virDomainJobInfoPtr info);
int virDomainAbortJob(virDomainPtr dom);
/**
* virDomainSnapshot:
*
* a virDomainSnapshot is a private structure representing a snapshot of
* a domain.
*/
typedef struct _virDomainSnapshot virDomainSnapshot;
/**
* virDomainSnapshotPtr:
*
* a virDomainSnapshotPtr is pointer to a virDomainSnapshot private structure,
* and is the type used to reference a domain snapshot in the API.
*/
typedef virDomainSnapshot *virDomainSnapshotPtr;
/* Take a snapshot of the current VM state */
virDomainSnapshotPtr virDomainSnapshotCreateXML(virDomainPtr domain,
const char *xmlDesc,
unsigned int flags);
/* Dump the XML of a snapshot */
char *virDomainSnapshotGetXMLDesc(virDomainSnapshotPtr snapshot,
unsigned int flags);
/* Return the number of snapshots for this domain */
int virDomainSnapshotNum(virDomainPtr domain, unsigned int flags);
/* Get the names of all snapshots for this domain */
int virDomainSnapshotListNames(virDomainPtr domain, char **names, int nameslen,
unsigned int flags);
/* Get a handle to a named snapshot */
virDomainSnapshotPtr virDomainSnapshotLookupByName(virDomainPtr domain,
const char *name,
unsigned int flags);
/* Check whether a domain has a snapshot which is currently used */
int virDomainHasCurrentSnapshot(virDomainPtr domain, unsigned flags);
/* Get a handle to the current snapshot */
virDomainSnapshotPtr virDomainSnapshotCurrent(virDomainPtr domain,
unsigned int flags);
/* Revert the domain to a point-in-time snapshot. The
* state of the guest after this call will be the state
* of the guest when the snapshot in question was taken
*/
int virDomainRevertToSnapshot(virDomainSnapshotPtr snapshot,
unsigned int flags);
/* Delete a snapshot */
typedef enum {
VIR_DOMAIN_SNAPSHOT_DELETE_CHILDREN = (1 << 0),
} virDomainSnapshotDeleteFlags;
int virDomainSnapshotDelete(virDomainSnapshotPtr snapshot,
unsigned int flags);
int virDomainSnapshotFree(virDomainSnapshotPtr snapshot);
/*
* virConnectDomainEventGenericCallback:
* @conn: the connection pointer
* @dom: the domain pointer
* @opaque: application specified data
*
* A generic domain event callback handler. Specific events usually
* have a customization with extra parameters
*/
typedef void (*virConnectDomainEventGenericCallback)(virConnectPtr conn,
virDomainPtr dom,
void *opaque);
/**
* virConnectDomainEventRTCChangeCallback:
* @conn: connection object
* @dom: domain on which the event occurred
* @utcoffset: the new RTC offset from UTC, measured in seconds
* @opaque: application specified data
*
* The callback signature to use when registering for an event of type
* VIR_DOMAIN_EVENT_ID_RTC_CHANGE with virConnectDomainEventRegisterAny()
*/
typedef void (*virConnectDomainEventRTCChangeCallback)(virConnectPtr conn,
virDomainPtr dom,
long long utcoffset,
void *opaque);
/**
* virDomainEventWatchdogAction:
*
* The action that is to be taken due to the watchdog device firing
*/
typedef enum {
VIR_DOMAIN_EVENT_WATCHDOG_NONE = 0, /* No action, watchdog ignored */
VIR_DOMAIN_EVENT_WATCHDOG_PAUSE, /* Guest CPUs are paused */
VIR_DOMAIN_EVENT_WATCHDOG_RESET, /* Guest CPUs are reset */
VIR_DOMAIN_EVENT_WATCHDOG_POWEROFF, /* Guest is forcably powered off */
VIR_DOMAIN_EVENT_WATCHDOG_SHUTDOWN, /* Guest is requested to gracefully shutdown */
VIR_DOMAIN_EVENT_WATCHDOG_DEBUG, /* No action, a debug message logged */
} virDomainEventWatchdogAction;
/**
* virConnectDomainEventWatchdogCallback:
* @conn: connection object
* @dom: domain on which the event occurred
* @action: action that is to be taken due to watchdog firing
* @opaque: application specified data
*
* The callback signature to use when registering for an event of type
* VIR_DOMAIN_EVENT_ID_WATCHDOG with virConnectDomainEventRegisterAny()
*
*/
typedef void (*virConnectDomainEventWatchdogCallback)(virConnectPtr conn,
virDomainPtr dom,
int action,
void *opaque);
/**
* virDomainEventIOErrorAction:
*
* The action that is to be taken due to an IO error occuring
*/
typedef enum {
VIR_DOMAIN_EVENT_IO_ERROR_NONE = 0, /* No action, IO error ignored */
VIR_DOMAIN_EVENT_IO_ERROR_PAUSE, /* Guest CPUs are pausde */
VIR_DOMAIN_EVENT_IO_ERROR_REPORT, /* IO error reported to guest OS */
} virDomainEventIOErrorAction;
/**
* virConnectDomainEventIOErrorCallback:
* @conn: connection object
* @dom: domain on which the event occurred
* @srcPath: The host file on which the IO error occurred
* @devAlias: The guest device alias associated with the path
* @action: action that is to be taken due to the IO error
* @opaque: application specified data
*
* The callback signature to use when registering for an event of type
* VIR_DOMAIN_EVENT_ID_IO_ERROR with virConnectDomainEventRegisterAny()
*/
typedef void (*virConnectDomainEventIOErrorCallback)(virConnectPtr conn,
virDomainPtr dom,
const char *srcPath,
const char *devAlias,
int action,
void *opaque);
/**
* virConnectDomainEventIOErrorReasonCallback:
* @conn: connection object
* @dom: domain on which the event occurred
* @srcPath: The host file on which the IO error occurred
* @devAlias: The guest device alias associated with the path
* @action: action that is to be taken due to the IO error
* @reason: the cause of the IO error
* @opaque: application specified data
*
* The callback signature to use when registering for an event of type
* VIR_DOMAIN_EVENT_ID_IO_ERROR with virConnectDomainEventRegisterAny()
*
*/
typedef void (*virConnectDomainEventIOErrorReasonCallback)(virConnectPtr conn,
virDomainPtr dom,
const char *srcPath,
const char *devAlias,
int action,
const char *reason,
void *opaque);
/**
* virDomainEventGraphicsPhase:
*
* The phase of the graphics client connection
*/
typedef enum {
VIR_DOMAIN_EVENT_GRAPHICS_CONNECT = 0, /* Initial socket connection established */
VIR_DOMAIN_EVENT_GRAPHICS_INITIALIZE, /* Authentication & setup completed */
VIR_DOMAIN_EVENT_GRAPHICS_DISCONNECT, /* Final socket disconnection */
} virDomainEventGraphicsPhase;
/**
* virDomainEventGraphicsAddressType:
*
* The type of address for the connection
*/
typedef enum {
VIR_DOMAIN_EVENT_GRAPHICS_ADDRESS_IPV4, /* IPv4 address */
VIR_DOMAIN_EVENT_GRAPHICS_ADDRESS_IPV6, /* IPv6 address */
} virDomainEventGraphicsAddressType;
/**
* virDomainEventGraphicsAddress:
*
* The data structure containing connection address details
*
*/
struct _virDomainEventGraphicsAddress {
int family; /* Address family, virDomainEventGraphicsAddressType */
const char *node; /* Address of node (eg IP address) */
const char *service; /* Service name/number (eg TCP port) */
};
typedef struct _virDomainEventGraphicsAddress virDomainEventGraphicsAddress;
typedef virDomainEventGraphicsAddress *virDomainEventGraphicsAddressPtr;
/**
* virDomainEventGraphicsSubjectIdentity:
*
* The data structure representing a single identity
*
* The types of identity differ according to the authentication scheme,
* some examples are 'x509dname' and 'saslUsername'.
*/
struct _virDomainEventGraphicsSubjectIdentity {
const char *type; /* Type of identity */
const char *name; /* Identity value */
};
typedef struct _virDomainEventGraphicsSubjectIdentity virDomainEventGraphicsSubjectIdentity;
typedef virDomainEventGraphicsSubjectIdentity *virDomainEventGraphicsSubjectIdentityPtr;
/**
* virDomainEventGraphicsSubject:
*
* The data structure representing an authenticated subject
*
* A subject will have zero or more identities. The types of
* identity differ according to the authentication scheme
*/
struct _virDomainEventGraphicsSubject {
int nidentity; /* Number of identities in array*/
virDomainEventGraphicsSubjectIdentityPtr identities; /* Array of identities for subject */
};
typedef struct _virDomainEventGraphicsSubject virDomainEventGraphicsSubject;
typedef virDomainEventGraphicsSubject *virDomainEventGraphicsSubjectPtr;
/**
* virConnectDomainEventGraphicsCallback:
* @conn: connection object
* @dom: domain on which the event occurred
* @phase: the phase of the connection
* @local: the local server address
* @remote: the remote client address
* @authScheme: the authentication scheme activated
* @subject: the authenticated subject (user)
* @opaque: application specified data
*
* The callback signature to use when registering for an event of type
* VIR_DOMAIN_EVENT_ID_GRAPHICS with virConnectDomainEventRegisterAny()
*/
typedef void (*virConnectDomainEventGraphicsCallback)(virConnectPtr conn,
virDomainPtr dom,
int phase,
virDomainEventGraphicsAddressPtr local,
virDomainEventGraphicsAddressPtr remote,
const char *authScheme,
virDomainEventGraphicsSubjectPtr subject,
void *opaque);
/**
* VIR_DOMAIN_EVENT_CALLBACK:
*
* Used to cast the event specific callback into the generic one
* for use for virDomainEventRegister
*/
#define VIR_DOMAIN_EVENT_CALLBACK(cb) ((virConnectDomainEventGenericCallback)(cb))
typedef enum {
VIR_DOMAIN_EVENT_ID_LIFECYCLE = 0, /* virConnectDomainEventCallback */
VIR_DOMAIN_EVENT_ID_REBOOT = 1, /* virConnectDomainEventGenericCallback */
VIR_DOMAIN_EVENT_ID_RTC_CHANGE = 2, /* virConnectDomainEventRTCChangeCallback */
VIR_DOMAIN_EVENT_ID_WATCHDOG = 3, /* virConnectDomainEventWatchdogCallback */
VIR_DOMAIN_EVENT_ID_IO_ERROR = 4, /* virConnectDomainEventIOErrorCallback */
VIR_DOMAIN_EVENT_ID_GRAPHICS = 5, /* virConnectDomainEventGraphicsCallback */
VIR_DOMAIN_EVENT_ID_IO_ERROR_REASON = 6, /* virConnectDomainEventIOErrorReasonCallback */
/*
* NB: this enum value will increase over time as new events are
* added to the libvirt API. It reflects the last event ID supported
* by this version of the libvirt API.
*/
VIR_DOMAIN_EVENT_ID_LAST
} virDomainEventID;
/* Use VIR_DOMAIN_EVENT_CALLBACK() to cast the 'cb' parameter */
int virConnectDomainEventRegisterAny(virConnectPtr conn,
virDomainPtr dom, /* Optional, to filter */
int eventID,
virConnectDomainEventGenericCallback cb,
void *opaque,
virFreeCallback freecb);
int virConnectDomainEventDeregisterAny(virConnectPtr conn,
int callbackID);
/**
* virNWFilter:
*
* a virNWFilter is a private structure representing a network filter
*/
typedef struct _virNWFilter virNWFilter;
/**
* virNWFilterPtr:
*
* a virNWFilterPtr is pointer to a virNWFilter private structure,
* this is the type used to reference a network filter in the API.
*/
typedef virNWFilter *virNWFilterPtr;
/*
* List NWFilters
*/
int virConnectNumOfNWFilters (virConnectPtr conn);
int virConnectListNWFilters (virConnectPtr conn,
char **const names,
int maxnames);
/*
* Lookup nwfilter by name or uuid
*/
virNWFilterPtr virNWFilterLookupByName (virConnectPtr conn,
const char *name);
virNWFilterPtr virNWFilterLookupByUUID (virConnectPtr conn,
const unsigned char *uuid);
virNWFilterPtr virNWFilterLookupByUUIDString (virConnectPtr conn,
const char *uuid);
/*
* Define persistent nwfilter
*/
virNWFilterPtr virNWFilterDefineXML (virConnectPtr conn,
const char *xmlDesc);
/*
* Delete persistent nwfilter
*/
int virNWFilterUndefine (virNWFilterPtr nwfilter);
/*
* NWFilter destroy/free
*/
int virNWFilterRef (virNWFilterPtr nwfilter);
int virNWFilterFree (virNWFilterPtr nwfilter);
/*
* NWFilter information
*/
const char* virNWFilterGetName (virNWFilterPtr nwfilter);
int virNWFilterGetUUID (virNWFilterPtr nwfilter,
unsigned char *uuid);
int virNWFilterGetUUIDString (virNWFilterPtr nwfilter,
char *buf);
char * virNWFilterGetXMLDesc (virNWFilterPtr nwfilter,
int flags);
int virDomainOpenConsole(virDomainPtr dom,
const char *devname,
virStreamPtr st,
unsigned int flags);
#ifdef __cplusplus
}
#endif
#endif /* __VIR_VIRLIB_H__ */