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<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml"><!--
        This file is autogenerated from html/libvirt-libvirt.html.in
        Do not edit this file. Changes will be lost.
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      --><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" /><link rel="stylesheet" type="text/css" href="../main.css" /><link rel="SHORTCUT ICON" href="../32favicon.png" /><title>libvirt: Module libvirt from libvirt</title><meta name="description" content="libvirt, virtualization, virtualization API" /></head><body><div id="header"><div id="headerLogo"></div><div id="headerSearch"><form action="../search.php" enctype="application/x-www-form-urlencoded" method="get"><div><input id="query" name="query" type="text" size="12" value="" /><input id="submit" name="submit" type="submit" value="Search" /></div></form></div></div><div id="body"><div id="menu"><ul class="l0"><li><div><a title="Front page of the libvirt website" class="inactive" href="../index.html">Home</a></div></li><li><div><a title="Details of new features and bugs fixed in each release" class="inactive" href="../news.html">News</a></div></li><li><div><a title="Get the latest source releases, binary builds and get access to the source repository" class="inactive" href="../downloads.html">Downloads</a></div></li><li><div><a title="Information for users, administrators and developers" class="active" href="../docs.html">Documentation</a><ul class="l1"><li><div><a title="Information about deploying and using libvirt" class="inactive" href="../deployment.html">Deployment</a></div></li><li><div><a title="Overview of the logical subsystems in the libvirt API" class="inactive" href="../intro.html">Architecture</a></div></li><li><div><a title="Description of the XML formats used in libvirt" class="inactive" href="../format.html">XML format</a></div></li><li><div><a title="Hypervisor specific driver information" class="inactive" href="../drivers.html">Drivers</a></div></li><li><div><a title="Reference manual for the C public API" class="active" href="../html/index.html">API reference</a><ul class="l2"><li><div><span class="active">libvirt</span></div></li><li><div><a title="error handling interfaces for the libvirt library" class="inactive" href="../html/libvirt-virterror.html">virterror</a></div></li><li><div><a title="matrix of API support per hypervisor per release" class="inactive" href="../hvsupport.html">Driver support</a></div></li></ul></div></li><li><div><a title="Bindings of the libvirt API for other languages" class="inactive" href="../bindings.html">Language bindings</a></div></li></ul></div></li><li><div><a title="User contributed content" class="inactive" href="http://wiki.libvirt.org">Wiki</a></div></li><li><div><a title="Frequently asked questions" class="inactive" href="../FAQ.html">FAQ</a></div></li><li><div><a title="How and where to report bugs and request features" class="inactive" href="../bugs.html">Bug reports</a></div></li><li><div><a title="How to contact the developers via email and IRC" class="inactive" href="../contact.html">Contact</a></div></li><li><div><a title="Miscellaneous links of interest related to libvirt" class="inactive" href="../relatedlinks.html">Related Links</a></div></li><li><div><a title="Overview of all content on the website" class="inactive" href="../sitemap.html">Sitemap</a></div></li></ul></div><div id="content"><h1>Module libvirt from libvirt</h1><p>Provides the interfaces of the libvirt library to handle virtualized domains </p><h2>Table of Contents</h2><h3><a href="#macros">Macros</a></h3><pre>#define <a href="#LIBVIR_VERSION_NUMBER">LIBVIR_VERSION_NUMBER</a>
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#define <a href="#VIR_COPY_CPUMAP">VIR_COPY_CPUMAP</a>
#define <a href="#VIR_CPU_MAPLEN">VIR_CPU_MAPLEN</a>
#define <a href="#VIR_CPU_USABLE">VIR_CPU_USABLE</a>
#define <a href="#VIR_DOMAIN_SCHED_FIELD_LENGTH">VIR_DOMAIN_SCHED_FIELD_LENGTH</a>
#define <a href="#VIR_GET_CPUMAP">VIR_GET_CPUMAP</a>
#define <a href="#VIR_NODEINFO_MAXCPUS">VIR_NODEINFO_MAXCPUS</a>
#define <a href="#VIR_UNUSE_CPU">VIR_UNUSE_CPU</a>
#define <a href="#VIR_USE_CPU">VIR_USE_CPU</a>
#define <a href="#VIR_UUID_BUFLEN">VIR_UUID_BUFLEN</a>
#define <a href="#VIR_UUID_STRING_BUFLEN">VIR_UUID_STRING_BUFLEN</a>
</pre><h3><a href="#types">Types</a></h3><pre>typedef struct _virConnect <a href="#virConnect">virConnect</a>
typedef struct _virConnectAuth <a href="#virConnectAuth">virConnectAuth</a>
typedef <a href="libvirt-libvirt.html#virConnectAuth">virConnectAuth</a> * <a name="virConnectAuthPtr" id="virConnectAuthPtr">virConnectAuthPtr</a>
typedef struct _virConnectCredential <a href="#virConnectCredential">virConnectCredential</a>
typedef <a href="libvirt-libvirt.html#virConnectCredential">virConnectCredential</a> * <a name="virConnectCredentialPtr" id="virConnectCredentialPtr">virConnectCredentialPtr</a>
typedef enum <a href="#virConnectCredentialType">virConnectCredentialType</a>
typedef enum <a href="#virConnectFlags">virConnectFlags</a>
typedef <a href="libvirt-libvirt.html#virConnect">virConnect</a> * <a name="virConnectPtr" id="virConnectPtr">virConnectPtr</a>
typedef struct _virDomain <a href="#virDomain">virDomain</a>
typedef <a href="libvirt-libvirt.html#virDomainBlockStatsStruct">virDomainBlockStatsStruct</a> * <a name="virDomainBlockStatsPtr" id="virDomainBlockStatsPtr">virDomainBlockStatsPtr</a>
typedef struct _virDomainBlockStats <a href="#virDomainBlockStatsStruct">virDomainBlockStatsStruct</a>
typedef enum <a href="#virDomainCreateFlags">virDomainCreateFlags</a>
typedef struct _virDomainInfo <a href="#virDomainInfo">virDomainInfo</a>
typedef <a href="libvirt-libvirt.html#virDomainInfo">virDomainInfo</a> * <a name="virDomainInfoPtr" id="virDomainInfoPtr">virDomainInfoPtr</a>
typedef <a href="libvirt-libvirt.html#virDomainInterfaceStatsStruct">virDomainInterfaceStatsStruct</a> * <a name="virDomainInterfaceStatsPtr" id="virDomainInterfaceStatsPtr">virDomainInterfaceStatsPtr</a>
typedef struct _virDomainInterfaceStats <a href="#virDomainInterfaceStatsStruct">virDomainInterfaceStatsStruct</a>
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typedef enum <a href="#virDomainMemoryFlags">virDomainMemoryFlags</a>
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typedef enum <a href="#virDomainMigrateFlags">virDomainMigrateFlags</a>
typedef <a href="libvirt-libvirt.html#virDomain">virDomain</a> * <a name="virDomainPtr" id="virDomainPtr">virDomainPtr</a>
typedef enum <a href="#virDomainState">virDomainState</a>
typedef enum <a href="#virDomainXMLFlags">virDomainXMLFlags</a>
typedef struct _virNetwork <a href="#virNetwork">virNetwork</a>
typedef <a href="libvirt-libvirt.html#virNetwork">virNetwork</a> * <a name="virNetworkPtr" id="virNetworkPtr">virNetworkPtr</a>
typedef struct _virNodeInfo <a href="#virNodeInfo">virNodeInfo</a>
typedef <a href="libvirt-libvirt.html#virNodeInfo">virNodeInfo</a> * <a name="virNodeInfoPtr" id="virNodeInfoPtr">virNodeInfoPtr</a>
typedef struct _virSchedParameter <a href="#virSchedParameter">virSchedParameter</a>
typedef <a href="libvirt-libvirt.html#virSchedParameter">virSchedParameter</a> * <a name="virSchedParameterPtr" id="virSchedParameterPtr">virSchedParameterPtr</a>
typedef enum <a href="#virSchedParameterType">virSchedParameterType</a>
typedef struct _virStoragePool <a href="#virStoragePool">virStoragePool</a>
typedef enum <a href="#virStoragePoolBuildFlags">virStoragePoolBuildFlags</a>
typedef enum <a href="#virStoragePoolDeleteFlags">virStoragePoolDeleteFlags</a>
typedef struct _virStoragePoolInfo <a href="#virStoragePoolInfo">virStoragePoolInfo</a>
typedef <a href="libvirt-libvirt.html#virStoragePoolInfo">virStoragePoolInfo</a> * <a name="virStoragePoolInfoPtr" id="virStoragePoolInfoPtr">virStoragePoolInfoPtr</a>
typedef <a href="libvirt-libvirt.html#virStoragePool">virStoragePool</a> * <a name="virStoragePoolPtr" id="virStoragePoolPtr">virStoragePoolPtr</a>
typedef enum <a href="#virStoragePoolState">virStoragePoolState</a>
typedef struct _virStorageVol <a href="#virStorageVol">virStorageVol</a>
typedef enum <a href="#virStorageVolDeleteFlags">virStorageVolDeleteFlags</a>
typedef struct _virStorageVolInfo <a href="#virStorageVolInfo">virStorageVolInfo</a>
typedef <a href="libvirt-libvirt.html#virStorageVolInfo">virStorageVolInfo</a> * <a name="virStorageVolInfoPtr" id="virStorageVolInfoPtr">virStorageVolInfoPtr</a>
typedef <a href="libvirt-libvirt.html#virStorageVol">virStorageVol</a> * <a name="virStorageVolPtr" id="virStorageVolPtr">virStorageVolPtr</a>
typedef enum <a href="#virStorageVolType">virStorageVolType</a>
typedef struct _virVcpuInfo <a href="#virVcpuInfo">virVcpuInfo</a>
typedef <a href="libvirt-libvirt.html#virVcpuInfo">virVcpuInfo</a> * <a name="virVcpuInfoPtr" id="virVcpuInfoPtr">virVcpuInfoPtr</a>
typedef enum <a href="#virVcpuState">virVcpuState</a>
</pre><h3><a href="#functions">Functions</a></h3><pre>typedef <a href="#virConnectAuthCallbackPtr">virConnectAuthCallbackPtr</a>
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int	<a href="#virConnectAuthCallbackPtr">virConnectAuthCallbackPtr</a>	(<a href="libvirt-libvirt.html#virConnectCredentialPtr">virConnectCredentialPtr</a> cred, <br />					 unsigned int ncred, <br />					 void * cbdata)
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int	<a href="#virConnectClose">virConnectClose</a>			(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)
char *	<a href="#virConnectGetCapabilities">virConnectGetCapabilities</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)
char *	<a href="#virConnectGetHostname">virConnectGetHostname</a>		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)
int	<a href="#virConnectGetMaxVcpus">virConnectGetMaxVcpus</a>		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const char * type)
const char *	<a href="#virConnectGetType">virConnectGetType</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)
char *	<a href="#virConnectGetURI">virConnectGetURI</a>		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)
int	<a href="#virConnectGetVersion">virConnectGetVersion</a>		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 unsigned long * hvVer)
int	<a href="#virConnectListDefinedDomains">virConnectListDefinedDomains</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 char ** const names, <br />					 int maxnames)
int	<a href="#virConnectListDefinedNetworks">virConnectListDefinedNetworks</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 char ** const names, <br />					 int maxnames)
int	<a href="#virConnectListDefinedStoragePools">virConnectListDefinedStoragePools</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />						 char ** const names, <br />						 int maxnames)
int	<a href="#virConnectListDomains">virConnectListDomains</a>		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 int * ids, <br />					 int maxids)
int	<a href="#virConnectListNetworks">virConnectListNetworks</a>		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 char ** const names, <br />					 int maxnames)
int	<a href="#virConnectListStoragePools">virConnectListStoragePools</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 char ** const names, <br />					 int maxnames)
int	<a href="#virConnectNumOfDefinedDomains">virConnectNumOfDefinedDomains</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)
int	<a href="#virConnectNumOfDefinedNetworks">virConnectNumOfDefinedNetworks</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)
int	<a href="#virConnectNumOfDefinedStoragePools">virConnectNumOfDefinedStoragePools</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)
int	<a href="#virConnectNumOfDomains">virConnectNumOfDomains</a>		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)
int	<a href="#virConnectNumOfNetworks">virConnectNumOfNetworks</a>		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)
int	<a href="#virConnectNumOfStoragePools">virConnectNumOfStoragePools</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)
<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a>	<a href="#virConnectOpen">virConnectOpen</a>		(const char * name)
<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a>	<a href="#virConnectOpenAuth">virConnectOpenAuth</a>	(const char * name, <br />					 <a href="libvirt-libvirt.html#virConnectAuthPtr">virConnectAuthPtr</a> auth, <br />					 int flags)
<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a>	<a href="#virConnectOpenReadOnly">virConnectOpenReadOnly</a>	(const char * name)
int	<a href="#virDomainAttachDevice">virDomainAttachDevice</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 const char * xml)
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int	<a href="#virDomainBlockPeek">virDomainBlockPeek</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> dom, <br />					 const char * path, <br />					 unsigned long long offset, <br />					 size_t size, <br />					 void * buffer, <br />					 unsigned int flags)
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int	<a href="#virDomainBlockStats">virDomainBlockStats</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> dom, <br />					 const char * path, <br />					 <a href="libvirt-libvirt.html#virDomainBlockStatsPtr">virDomainBlockStatsPtr</a> stats, <br />					 size_t size)
int	<a href="#virDomainCoreDump">virDomainCoreDump</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 const char * to, <br />					 int flags)
int	<a href="#virDomainCreate">virDomainCreate</a>			(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)
<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a>	<a href="#virDomainCreateLinux">virDomainCreateLinux</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const char * xmlDesc, <br />					 unsigned int flags)
<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a>	<a href="#virDomainDefineXML">virDomainDefineXML</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const char * xml)
int	<a href="#virDomainDestroy">virDomainDestroy</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)
int	<a href="#virDomainDetachDevice">virDomainDetachDevice</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 const char * xml)
int	<a href="#virDomainFree">virDomainFree</a>			(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)
int	<a href="#virDomainGetAutostart">virDomainGetAutostart</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 int * autostart)
<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a>	<a href="#virDomainGetConnect">virDomainGetConnect</a>	(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> dom)
unsigned int	<a href="#virDomainGetID">virDomainGetID</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)
int	<a href="#virDomainGetInfo">virDomainGetInfo</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 <a href="libvirt-libvirt.html#virDomainInfoPtr">virDomainInfoPtr</a> info)
unsigned long	<a href="#virDomainGetMaxMemory">virDomainGetMaxMemory</a>	(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)
int	<a href="#virDomainGetMaxVcpus">virDomainGetMaxVcpus</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)
const char *	<a href="#virDomainGetName">virDomainGetName</a>	(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)
char *	<a href="#virDomainGetOSType">virDomainGetOSType</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)
int	<a href="#virDomainGetSchedulerParameters">virDomainGetSchedulerParameters</a>	(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 <a href="libvirt-libvirt.html#virSchedParameterPtr">virSchedParameterPtr</a> params, <br />					 int * nparams)
char *	<a href="#virDomainGetSchedulerType">virDomainGetSchedulerType</a>	(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 int * nparams)
int	<a href="#virDomainGetUUID">virDomainGetUUID</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 unsigned char * uuid)
int	<a href="#virDomainGetUUIDString">virDomainGetUUIDString</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 char * buf)
int	<a href="#virDomainGetVcpus">virDomainGetVcpus</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 <a href="libvirt-libvirt.html#virVcpuInfoPtr">virVcpuInfoPtr</a> info, <br />					 int maxinfo, <br />					 unsigned char * cpumaps, <br />					 int maplen)
char *	<a href="#virDomainGetXMLDesc">virDomainGetXMLDesc</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 int flags)
int	<a href="#virDomainInterfaceStats">virDomainInterfaceStats</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> dom, <br />					 const char * path, <br />					 <a href="libvirt-libvirt.html#virDomainInterfaceStatsPtr">virDomainInterfaceStatsPtr</a> stats, <br />					 size_t size)
<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a>	<a href="#virDomainLookupByID">virDomainLookupByID</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 int id)
<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a>	<a href="#virDomainLookupByName">virDomainLookupByName</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const char * name)
<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a>	<a href="#virDomainLookupByUUID">virDomainLookupByUUID</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const unsigned char * uuid)
<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a>	<a href="#virDomainLookupByUUIDString">virDomainLookupByUUIDString</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />						 const char * uuidstr)
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int	<a href="#virDomainMemoryPeek">virDomainMemoryPeek</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> dom, <br />					 unsigned long long start, <br />					 size_t size, <br />					 void * buffer, <br />					 unsigned int flags)
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<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a>	<a href="#virDomainMigrate">virDomainMigrate</a>	(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 <a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> dconn, <br />					 unsigned long flags, <br />					 const char * dname, <br />					 const char * uri, <br />					 unsigned long bandwidth)
int	<a href="#virDomainPinVcpu">virDomainPinVcpu</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 unsigned int vcpu, <br />					 unsigned char * cpumap, <br />					 int maplen)
int	<a href="#virDomainReboot">virDomainReboot</a>			(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 unsigned int flags)
int	<a href="#virDomainRestore">virDomainRestore</a>		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const char * from)
int	<a href="#virDomainResume">virDomainResume</a>			(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)
int	<a href="#virDomainSave">virDomainSave</a>			(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 const char * to)
int	<a href="#virDomainSetAutostart">virDomainSetAutostart</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 int autostart)
int	<a href="#virDomainSetMaxMemory">virDomainSetMaxMemory</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 unsigned long memory)
int	<a href="#virDomainSetMemory">virDomainSetMemory</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 unsigned long memory)
int	<a href="#virDomainSetSchedulerParameters">virDomainSetSchedulerParameters</a>	(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 <a href="libvirt-libvirt.html#virSchedParameterPtr">virSchedParameterPtr</a> params, <br />					 int nparams)
int	<a href="#virDomainSetVcpus">virDomainSetVcpus</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 unsigned int nvcpus)
int	<a href="#virDomainShutdown">virDomainShutdown</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)
int	<a href="#virDomainSuspend">virDomainSuspend</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)
int	<a href="#virDomainUndefine">virDomainUndefine</a>		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)
int	<a href="#virGetVersion">virGetVersion</a>			(unsigned long * libVer, <br />					 const char * type, <br />					 unsigned long * typeVer)
int	<a href="#virInitialize">virInitialize</a>			(void)
int	<a href="#virNetworkCreate">virNetworkCreate</a>		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network)
<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a>	<a href="#virNetworkCreateXML">virNetworkCreateXML</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const char * xmlDesc)
<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a>	<a href="#virNetworkDefineXML">virNetworkDefineXML</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const char * xml)
int	<a href="#virNetworkDestroy">virNetworkDestroy</a>		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network)
int	<a href="#virNetworkFree">virNetworkFree</a>			(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network)
int	<a href="#virNetworkGetAutostart">virNetworkGetAutostart</a>		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network, <br />					 int * autostart)
char *	<a href="#virNetworkGetBridgeName">virNetworkGetBridgeName</a>		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network)
<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a>	<a href="#virNetworkGetConnect">virNetworkGetConnect</a>	(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> net)
const char *	<a href="#virNetworkGetName">virNetworkGetName</a>	(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network)
int	<a href="#virNetworkGetUUID">virNetworkGetUUID</a>		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network, <br />					 unsigned char * uuid)
int	<a href="#virNetworkGetUUIDString">virNetworkGetUUIDString</a>		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network, <br />					 char * buf)
char *	<a href="#virNetworkGetXMLDesc">virNetworkGetXMLDesc</a>		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network, <br />					 int flags)
<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a>	<a href="#virNetworkLookupByName">virNetworkLookupByName</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const char * name)
<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a>	<a href="#virNetworkLookupByUUID">virNetworkLookupByUUID</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const unsigned char * uuid)
<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a>	<a href="#virNetworkLookupByUUIDString">virNetworkLookupByUUIDString</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />						 const char * uuidstr)
int	<a href="#virNetworkSetAutostart">virNetworkSetAutostart</a>		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network, <br />					 int autostart)
int	<a href="#virNetworkUndefine">virNetworkUndefine</a>		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network)
int	<a href="#virNodeGetCellsFreeMemory">virNodeGetCellsFreeMemory</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 unsigned long long * freeMems, <br />					 int startCell, <br />					 int maxCells)
unsigned long long	<a href="#virNodeGetFreeMemory">virNodeGetFreeMemory</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)
int	<a href="#virNodeGetInfo">virNodeGetInfo</a>			(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 <a href="libvirt-libvirt.html#virNodeInfoPtr">virNodeInfoPtr</a> info)
int	<a href="#virStoragePoolBuild">virStoragePoolBuild</a>		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 unsigned int flags)
int	<a href="#virStoragePoolCreate">virStoragePoolCreate</a>		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 unsigned int flags)
<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a>	<a href="#virStoragePoolCreateXML">virStoragePoolCreateXML</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />						 const char * xmlDesc, <br />						 unsigned int flags)
<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a>	<a href="#virStoragePoolDefineXML">virStoragePoolDefineXML</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />						 const char * xml, <br />						 unsigned int flags)
int	<a href="#virStoragePoolDelete">virStoragePoolDelete</a>		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 unsigned int flags)
int	<a href="#virStoragePoolDestroy">virStoragePoolDestroy</a>		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool)
int	<a href="#virStoragePoolFree">virStoragePoolFree</a>		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool)
int	<a href="#virStoragePoolGetAutostart">virStoragePoolGetAutostart</a>	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 int * autostart)
<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a>	<a href="#virStoragePoolGetConnect">virStoragePoolGetConnect</a>	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool)
int	<a href="#virStoragePoolGetInfo">virStoragePoolGetInfo</a>		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 <a href="libvirt-libvirt.html#virStoragePoolInfoPtr">virStoragePoolInfoPtr</a> info)
const char *	<a href="#virStoragePoolGetName">virStoragePoolGetName</a>	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool)
int	<a href="#virStoragePoolGetUUID">virStoragePoolGetUUID</a>		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 unsigned char * uuid)
int	<a href="#virStoragePoolGetUUIDString">virStoragePoolGetUUIDString</a>	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 char * buf)
char *	<a href="#virStoragePoolGetXMLDesc">virStoragePoolGetXMLDesc</a>	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 unsigned int flags)
int	<a href="#virStoragePoolListVolumes">virStoragePoolListVolumes</a>	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 char ** const names, <br />					 int maxnames)
<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a>	<a href="#virStoragePoolLookupByName">virStoragePoolLookupByName</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />							 const char * name)
<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a>	<a href="#virStoragePoolLookupByUUID">virStoragePoolLookupByUUID</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />							 const unsigned char * uuid)
<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a>	<a href="#virStoragePoolLookupByUUIDString">virStoragePoolLookupByUUIDString</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />							 const char * uuidstr)
<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a>	<a href="#virStoragePoolLookupByVolume">virStoragePoolLookupByVolume</a>	(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol)
int	<a href="#virStoragePoolNumOfVolumes">virStoragePoolNumOfVolumes</a>	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool)
int	<a href="#virStoragePoolRefresh">virStoragePoolRefresh</a>		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 unsigned int flags)
int	<a href="#virStoragePoolSetAutostart">virStoragePoolSetAutostart</a>	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 int autostart)
int	<a href="#virStoragePoolUndefine">virStoragePoolUndefine</a>		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool)
<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a>	<a href="#virStorageVolCreateXML">virStorageVolCreateXML</a>	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />						 const char * xmldesc, <br />						 unsigned int flags)
int	<a href="#virStorageVolDelete">virStorageVolDelete</a>		(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol, <br />					 unsigned int flags)
int	<a href="#virStorageVolFree">virStorageVolFree</a>		(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol)
<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a>	<a href="#virStorageVolGetConnect">virStorageVolGetConnect</a>	(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol)
int	<a href="#virStorageVolGetInfo">virStorageVolGetInfo</a>		(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol, <br />					 <a href="libvirt-libvirt.html#virStorageVolInfoPtr">virStorageVolInfoPtr</a> info)
const char *	<a href="#virStorageVolGetKey">virStorageVolGetKey</a>	(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol)
const char *	<a href="#virStorageVolGetName">virStorageVolGetName</a>	(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol)
char *	<a href="#virStorageVolGetPath">virStorageVolGetPath</a>		(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol)
char *	<a href="#virStorageVolGetXMLDesc">virStorageVolGetXMLDesc</a>		(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol, <br />					 unsigned int flags)
<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a>	<a href="#virStorageVolLookupByKey">virStorageVolLookupByKey</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />							 const char * key)
<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a>	<a href="#virStorageVolLookupByName">virStorageVolLookupByName</a>	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />							 const char * name)
<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a>	<a href="#virStorageVolLookupByPath">virStorageVolLookupByPath</a>	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />							 const char * path)
</pre><h2>Description</h2><h3><a name="macros" id="macros">Macros</a></h3><h3><a name="LIBVIR_VERSION_NUMBER" id="LIBVIR_VERSION_NUMBER"><code>LIBVIR_VERSION_NUMBER</code></a></h3><pre>#define LIBVIR_VERSION_NUMBER</pre><p>Macro providing the version of the library as version * 1,000,000 + minor * 1000 + micro</p><h3><a name="VIR_COPY_CPUMAP" id="VIR_COPY_CPUMAP"><code>VIR_COPY_CPUMAP</code></a></h3><pre>#define VIR_COPY_CPUMAP</pre><p>This macro is to be used in conjunction with virDomainGetVcpus() and virDomainPinVcpu() APIs. <a href="libvirt-libvirt.html#VIR_COPY_CPUMAP">VIR_COPY_CPUMAP</a> macro extract the cpumap of the specified vcpu from cpumaps array and copy it into cpumap to be used later by virDomainPinVcpu() API.</p><h3><a name="VIR_CPU_MAPLEN" id="VIR_CPU_MAPLEN"><code>VIR_CPU_MAPLEN</code></a></h3><pre>#define VIR_CPU_MAPLEN</pre><p>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 &amp; all physical CPUs of a domain.</p><h3><a name="VIR_CPU_USABLE" id="VIR_CPU_USABLE"><code>VIR_CPU_USABLE</code></a></h3><pre>#define VIR_CPU_USABLE</pre><p>This macro is to be used in conjunction with virDomainGetVcpus() API. <a href="libvirt-libvirt.html#VIR_CPU_USABLE">VIR_CPU_USABLE</a> macro returns a non zero value (true) if the cpu is usable by the vcpu, and 0 otherwise.</p><h3><a name="VIR_DOMAIN_SCHED_FIELD_LENGTH" id="VIR_DOMAIN_SCHED_FIELD_LENGTH"><code>VIR_DOMAIN_SCHED_FIELD_LENGTH</code></a></h3><pre>#define VIR_DOMAIN_SCHED_FIELD_LENGTH</pre><p>Macro providing the field length of <a href="libvirt-libvirt.html#virSchedParameter">virSchedParameter</a></p><h3><a name="VIR_GET_CPUMAP" id="VIR_GET_CPUMAP"><code>VIR_GET_CPUMAP</code></a></h3><pre>#define VIR_GET_CPUMAP</pre><p>This macro is to be used in conjunction with virDomainGetVcpus() and virDomainPinVcpu() APIs. <a href="libvirt-libvirt.html#VIR_GET_CPUMAP">VIR_GET_CPUMAP</a> macro returns a pointer to the cpumap of the specified vcpu from cpumaps array.</p><h3><a name="VIR_NODEINFO_MAXCPUS" id="VIR_NODEINFO_MAXCPUS"><code>VIR_NODEINFO_MAXCPUS</code></a></h3><pre>#define VIR_NODEINFO_MAXCPUS</pre><p>This macro is to calculate the total number of CPUs supported but not necessary active in the host.</p><h3><a name="VIR_UNUSE_CPU" id="VIR_UNUSE_CPU"><code>VIR_UNUSE_CPU</code></a></h3><pre>#define VIR_UNUSE_CPU</pre><p>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.</p><h3><a name="VIR_USE_CPU" id="VIR_USE_CPU"><code>VIR_USE_CPU</code></a></h3><pre>#define VIR_USE_CPU</pre><p>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.</p><h3><a name="VIR_UUID_BUFLEN" id="VIR_UUID_BUFLEN"><code>VIR_UUID_BUFLEN</code></a></h3><pre>#define VIR_UUID_BUFLEN</pre><p>This macro provides the length of the buffer required for virDomainGetUUID()</p><h3><a name="VIR_UUID_STRING_BUFLEN" id="VIR_UUID_STRING_BUFLEN"><code>VIR_UUID_STRING_BUFLEN</code></a></h3><pre>#define VIR_UUID_STRING_BUFLEN</pre><p>This macro provides the length of the buffer required for virDomainGetUUIDString()</p><h3><a name="types" id="types">Types</a></h3><h3><a name="virConnect" id="virConnect"><code>virConnect</code></a></h3><div class="api"><pre>struct virConnect{
</pre><table><tr><td colspan="3">The content of this structure is not made public by the API</td></tr></table><pre>
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</pre></div><h3><a name="virConnectAuth" id="virConnectAuth"><code>virConnectAuth</code></a></h3><div class="api"><pre>struct virConnectAuth{
</pre><table><tr><td>int *</td><td>credtype</td><td> : List of supported <a href="libvirt-libvirt.html#virConnectCredentialType">virConnectCredentialType</a> values</td></tr><tr><td>unsigned int</td><td>ncredtype</td></tr><tr><td><a href="libvirt-libvirt.html#virConnectAuthCallbackPtr">virConnectAuthCallbackPtr</a></td><td>cb</td><td> : Callback used to collect credentials</td></tr><tr><td>void *</td><td>cbdata</td></tr></table><pre>
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</pre></div><h3><a name="virConnectCredential" id="virConnectCredential"><code>virConnectCredential</code></a></h3><div class="api"><pre>struct virConnectCredential{
</pre><table><tr><td>int</td><td>type</td><td> : One of <a href="libvirt-libvirt.html#virConnectCredentialType">virConnectCredentialType</a> constants</td></tr><tr><td>const char *</td><td>prompt</td><td> : Prompt to show to user</td></tr><tr><td>const char *</td><td>challenge</td><td> : Additional challenge to show</td></tr><tr><td>const char *</td><td>defresult</td><td> : Optional default result</td></tr><tr><td>char *</td><td>result</td><td> : Result to be filled with user response (or defresult)</td></tr><tr><td>unsigned int</td><td>resultlen</td><td> : Length of the result</td></tr></table><pre>
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</pre></div><h3><a name="virConnectCredentialType" id="virConnectCredentialType"><code>virConnectCredentialType</code></a></h3><div class="api"><pre>enum virConnectCredentialType {
</pre><table><tr><td><a name="VIR_CRED_USERNAME" id="VIR_CRED_USERNAME">VIR_CRED_USERNAME</a></td><td> = </td><td>1</td><td> : Identity to act as</td></tr><tr><td><a name="VIR_CRED_AUTHNAME" id="VIR_CRED_AUTHNAME">VIR_CRED_AUTHNAME</a></td><td> = </td><td>2</td><td> : Identify to authorize as</td></tr><tr><td><a name="VIR_CRED_LANGUAGE" id="VIR_CRED_LANGUAGE">VIR_CRED_LANGUAGE</a></td><td> = </td><td>3</td><td> : RFC 1766 languages, comma separated</td></tr><tr><td><a name="VIR_CRED_CNONCE" id="VIR_CRED_CNONCE">VIR_CRED_CNONCE</a></td><td> = </td><td>4</td><td> : client supplies a nonce</td></tr><tr><td><a name="VIR_CRED_PASSPHRASE" id="VIR_CRED_PASSPHRASE">VIR_CRED_PASSPHRASE</a></td><td> = </td><td>5</td><td> : Passphrase secret</td></tr><tr><td><a name="VIR_CRED_ECHOPROMPT" id="VIR_CRED_ECHOPROMPT">VIR_CRED_ECHOPROMPT</a></td><td> = </td><td>6</td><td> : Challenge response</td></tr><tr><td><a name="VIR_CRED_NOECHOPROMPT" id="VIR_CRED_NOECHOPROMPT">VIR_CRED_NOECHOPROMPT</a></td><td> = </td><td>7</td><td> : Challenge response</td></tr><tr><td><a name="VIR_CRED_REALM" id="VIR_CRED_REALM">VIR_CRED_REALM</a></td><td> = </td><td>8</td><td> : Authentication realm</td></tr><tr><td><a name="VIR_CRED_EXTERNAL" id="VIR_CRED_EXTERNAL">VIR_CRED_EXTERNAL</a></td><td> = </td><td>9</td><td> : Externally managed credential More may be added - expect the unexpected</td></tr></table><pre>}
</pre></div><h3><a name="virConnectFlags" id="virConnectFlags"><code>virConnectFlags</code></a></h3><div class="api"><pre>enum virConnectFlags {
</pre><table><tr><td><a name="VIR_CONNECT_RO" id="VIR_CONNECT_RO">VIR_CONNECT_RO</a></td><td> = </td><td>1</td><td> : A readonly connection</td></tr></table><pre>}
</pre></div><h3><a name="virDomain" id="virDomain"><code>virDomain</code></a></h3><div class="api"><pre>struct virDomain{
</pre><table><tr><td colspan="3">The content of this structure is not made public by the API</td></tr></table><pre>
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</pre></div><h3><a name="virDomainBlockStatsStruct" id="virDomainBlockStatsStruct"><code>virDomainBlockStatsStruct</code></a></h3><div class="api"><pre>struct virDomainBlockStatsStruct{
</pre><table><tr><td>long long</td><td>rd_req</td><td> : number of read requests</td></tr><tr><td>long long</td><td>rd_bytes</td><td> : number of read bytes</td></tr><tr><td>long long</td><td>wr_req</td><td> : number of write requests</td></tr><tr><td>long long</td><td>wr_bytes</td><td> : number of written bytes</td></tr><tr><td>long long</td><td>errs</td><td> : In Xen this returns the mysterious 'oo_req'.</td></tr></table><pre>
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</pre></div><h3><a name="virDomainCreateFlags" id="virDomainCreateFlags"><code>virDomainCreateFlags</code></a></h3><div class="api"><pre>enum virDomainCreateFlags {
</pre><table><tr><td><a name="VIR_DOMAIN_NONE" id="VIR_DOMAIN_NONE">VIR_DOMAIN_NONE</a></td><td> = </td><td>0</td></tr></table><pre>}
</pre></div><h3><a name="virDomainInfo" id="virDomainInfo"><code>virDomainInfo</code></a></h3><div class="api"><pre>struct virDomainInfo{
</pre><table><tr><td>unsigned char</td><td>state</td><td> : the running state, one of virDomainFlags</td></tr><tr><td>unsigned long</td><td>maxMem</td><td> : the maximum memory in KBytes allowed</td></tr><tr><td>unsigned long</td><td>memory</td><td> : the memory in KBytes used by the domain</td></tr><tr><td>unsigned short</td><td>nrVirtCpu</td><td> : the number of virtual CPUs for the domain</td></tr><tr><td>unsigned long long</td><td>cpuTime</td><td> : the CPU time used in nanoseconds</td></tr></table><pre>
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</pre></div><h3><a name="virDomainInterfaceStatsStruct" id="virDomainInterfaceStatsStruct"><code>virDomainInterfaceStatsStruct</code></a></h3><div class="api"><pre>struct virDomainInterfaceStatsStruct{
</pre><table><tr><td>long long</td><td>rx_bytes</td></tr><tr><td>long long</td><td>rx_packets</td></tr><tr><td>long long</td><td>rx_errs</td></tr><tr><td>long long</td><td>rx_drop</td></tr><tr><td>long long</td><td>tx_bytes</td></tr><tr><td>long long</td><td>tx_packets</td></tr><tr><td>long long</td><td>tx_errs</td></tr><tr><td>long long</td><td>tx_drop</td></tr></table><pre>
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</pre></div><h3><a name="virDomainMemoryFlags" id="virDomainMemoryFlags"><code>virDomainMemoryFlags</code></a></h3><div class="api"><pre>enum virDomainMemoryFlags {
</pre><table><tr><td><a name="VIR_MEMORY_VIRTUAL" id="VIR_MEMORY_VIRTUAL">VIR_MEMORY_VIRTUAL</a></td><td> = </td><td>1</td><td> : addresses are virtual addresses</td></tr></table><pre>}
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</pre></div><h3><a name="virDomainMigrateFlags" id="virDomainMigrateFlags"><code>virDomainMigrateFlags</code></a></h3><div class="api"><pre>enum virDomainMigrateFlags {
</pre><table><tr><td><a name="VIR_MIGRATE_LIVE" id="VIR_MIGRATE_LIVE">VIR_MIGRATE_LIVE</a></td><td> = </td><td>1</td><td> : live migration</td></tr></table><pre>}
</pre></div><h3><a name="virDomainState" id="virDomainState"><code>virDomainState</code></a></h3><div class="api"><pre>enum virDomainState {
</pre><table><tr><td><a name="VIR_DOMAIN_NOSTATE" id="VIR_DOMAIN_NOSTATE">VIR_DOMAIN_NOSTATE</a></td><td> = </td><td>0</td><td> : no state</td></tr><tr><td><a name="VIR_DOMAIN_RUNNING" id="VIR_DOMAIN_RUNNING">VIR_DOMAIN_RUNNING</a></td><td> = </td><td>1</td><td> : the domain is running</td></tr><tr><td><a name="VIR_DOMAIN_BLOCKED" id="VIR_DOMAIN_BLOCKED">VIR_DOMAIN_BLOCKED</a></td><td> = </td><td>2</td><td> : the domain is blocked on resource</td></tr><tr><td><a name="VIR_DOMAIN_PAUSED" id="VIR_DOMAIN_PAUSED">VIR_DOMAIN_PAUSED</a></td><td> = </td><td>3</td><td> : the domain is paused by user</td></tr><tr><td><a name="VIR_DOMAIN_SHUTDOWN" id="VIR_DOMAIN_SHUTDOWN">VIR_DOMAIN_SHUTDOWN</a></td><td> = </td><td>4</td><td> : the domain is being shut down</td></tr><tr><td><a name="VIR_DOMAIN_SHUTOFF" id="VIR_DOMAIN_SHUTOFF">VIR_DOMAIN_SHUTOFF</a></td><td> = </td><td>5</td><td> : the domain is shut off</td></tr><tr><td><a name="VIR_DOMAIN_CRASHED" id="VIR_DOMAIN_CRASHED">VIR_DOMAIN_CRASHED</a></td><td> = </td><td>6</td><td> : the domain is crashed</td></tr></table><pre>}
</pre></div><h3><a name="virDomainXMLFlags" id="virDomainXMLFlags"><code>virDomainXMLFlags</code></a></h3><div class="api"><pre>enum virDomainXMLFlags {
</pre><table><tr><td><a name="VIR_DOMAIN_XML_SECURE" id="VIR_DOMAIN_XML_SECURE">VIR_DOMAIN_XML_SECURE</a></td><td> = </td><td>1</td><td> : dump security sensitive information too</td></tr><tr><td><a name="VIR_DOMAIN_XML_INACTIVE" id="VIR_DOMAIN_XML_INACTIVE">VIR_DOMAIN_XML_INACTIVE</a></td><td> = </td><td>2</td><td> : dump inactive domain information</td></tr></table><pre>}
</pre></div><h3><a name="virNetwork" id="virNetwork"><code>virNetwork</code></a></h3><div class="api"><pre>struct virNetwork{
</pre><table><tr><td colspan="3">The content of this structure is not made public by the API</td></tr></table><pre>
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</pre></div><h3><a name="virNodeInfo" id="virNodeInfo"><code>virNodeInfo</code></a></h3><div class="api"><pre>struct virNodeInfo{
</pre><table><tr><td>charmodel[32]</td><td>model</td><td> : string indicating the CPU model</td></tr><tr><td>unsigned long</td><td>memory</td><td> : memory size in kilobytes</td></tr><tr><td>unsigned int</td><td>cpus</td><td> : the number of active CPUs</td></tr><tr><td>unsigned int</td><td>mhz</td><td> : expected CPU frequency</td></tr><tr><td>unsigned int</td><td>nodes</td><td> : the number of NUMA cell, 1 for uniform mem access</td></tr><tr><td>unsigned int</td><td>sockets</td><td> : number of CPU socket per node</td></tr><tr><td>unsigned int</td><td>cores</td><td> : number of core per socket</td></tr><tr><td>unsigned int</td><td>threads</td><td> : number of threads per core</td></tr></table><pre>
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</pre></div><h3><a name="virSchedParameter" id="virSchedParameter"><code>virSchedParameter</code></a></h3><div class="api"><pre>struct virSchedParameter{
</pre><table><tr><td>charfield[VIR_DOMAIN_SCHED_FIELD_LENGTH]</td><td>field</td><td> : parameter name</td></tr><tr><td>int</td><td>type</td><td> : parameter type</td></tr></table><pre>
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</pre></div><h3><a name="virSchedParameterType" id="virSchedParameterType"><code>virSchedParameterType</code></a></h3><div class="api"><pre>enum virSchedParameterType {
</pre><table><tr><td><a name="VIR_DOMAIN_SCHED_FIELD_INT" id="VIR_DOMAIN_SCHED_FIELD_INT">VIR_DOMAIN_SCHED_FIELD_INT</a></td><td> = </td><td>1</td><td> : integer case</td></tr><tr><td><a name="VIR_DOMAIN_SCHED_FIELD_UINT" id="VIR_DOMAIN_SCHED_FIELD_UINT">VIR_DOMAIN_SCHED_FIELD_UINT</a></td><td> = </td><td>2</td><td> : unsigned integer case</td></tr><tr><td><a name="VIR_DOMAIN_SCHED_FIELD_LLONG" id="VIR_DOMAIN_SCHED_FIELD_LLONG">VIR_DOMAIN_SCHED_FIELD_LLONG</a></td><td> = </td><td>3</td><td> : long long case</td></tr><tr><td><a name="VIR_DOMAIN_SCHED_FIELD_ULLONG" id="VIR_DOMAIN_SCHED_FIELD_ULLONG">VIR_DOMAIN_SCHED_FIELD_ULLONG</a></td><td> = </td><td>4</td><td> : unsigned long long case</td></tr><tr><td><a name="VIR_DOMAIN_SCHED_FIELD_DOUBLE" id="VIR_DOMAIN_SCHED_FIELD_DOUBLE">VIR_DOMAIN_SCHED_FIELD_DOUBLE</a></td><td> = </td><td>5</td><td> : double case</td></tr><tr><td><a name="VIR_DOMAIN_SCHED_FIELD_BOOLEAN" id="VIR_DOMAIN_SCHED_FIELD_BOOLEAN">VIR_DOMAIN_SCHED_FIELD_BOOLEAN</a></td><td> = </td><td>6</td><td> : boolean(character) case</td></tr></table><pre>}
</pre></div><h3><a name="virStoragePool" id="virStoragePool"><code>virStoragePool</code></a></h3><div class="api"><pre>struct virStoragePool{
</pre><table><tr><td colspan="3">The content of this structure is not made public by the API</td></tr></table><pre>
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</pre></div><h3><a name="virStoragePoolBuildFlags" id="virStoragePoolBuildFlags"><code>virStoragePoolBuildFlags</code></a></h3><div class="api"><pre>enum virStoragePoolBuildFlags {
</pre><table><tr><td><a name="VIR_STORAGE_POOL_BUILD_NEW" id="VIR_STORAGE_POOL_BUILD_NEW">VIR_STORAGE_POOL_BUILD_NEW</a></td><td> = </td><td>0</td><td> : Regular build from scratch</td></tr><tr><td><a name="VIR_STORAGE_POOL_BUILD_REPAIR" id="VIR_STORAGE_POOL_BUILD_REPAIR">VIR_STORAGE_POOL_BUILD_REPAIR</a></td><td> = </td><td>1</td><td> : Repair / reinitialize</td></tr><tr><td><a name="VIR_STORAGE_POOL_BUILD_RESIZE" id="VIR_STORAGE_POOL_BUILD_RESIZE">VIR_STORAGE_POOL_BUILD_RESIZE</a></td><td> = </td><td>2</td><td> : Extend existing pool</td></tr></table><pre>}
</pre></div><h3><a name="virStoragePoolDeleteFlags" id="virStoragePoolDeleteFlags"><code>virStoragePoolDeleteFlags</code></a></h3><div class="api"><pre>enum virStoragePoolDeleteFlags {
</pre><table><tr><td><a name="VIR_STORAGE_POOL_DELETE_NORMAL" id="VIR_STORAGE_POOL_DELETE_NORMAL">VIR_STORAGE_POOL_DELETE_NORMAL</a></td><td> = </td><td>0</td><td> : Delete metadata only (fast)</td></tr><tr><td><a name="VIR_STORAGE_POOL_DELETE_ZEROED" id="VIR_STORAGE_POOL_DELETE_ZEROED">VIR_STORAGE_POOL_DELETE_ZEROED</a></td><td> = </td><td>1</td><td> : Clear all data to zeros (slow)</td></tr></table><pre>}
</pre></div><h3><a name="virStoragePoolInfo" id="virStoragePoolInfo"><code>virStoragePoolInfo</code></a></h3><div class="api"><pre>struct virStoragePoolInfo{
</pre><table><tr><td>int</td><td>state</td><td> : <a href="libvirt-libvirt.html#virStoragePoolState">virStoragePoolState</a> flags</td></tr><tr><td>unsigned long long</td><td>capacity</td><td> : Logical size bytes</td></tr><tr><td>unsigned long long</td><td>allocation</td><td> : Current allocation bytes</td></tr><tr><td>unsigned long long</td><td>available</td><td> : Remaining free space bytes</td></tr></table><pre>
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</pre></div><h3><a name="virStoragePoolState" id="virStoragePoolState"><code>virStoragePoolState</code></a></h3><div class="api"><pre>enum virStoragePoolState {
</pre><table><tr><td><a name="VIR_STORAGE_POOL_INACTIVE" id="VIR_STORAGE_POOL_INACTIVE">VIR_STORAGE_POOL_INACTIVE</a></td><td> = </td><td>0</td><td> : Not running</td></tr><tr><td><a name="VIR_STORAGE_POOL_BUILDING" id="VIR_STORAGE_POOL_BUILDING">VIR_STORAGE_POOL_BUILDING</a></td><td> = </td><td>1</td><td> : Initializing pool, not available</td></tr><tr><td><a name="VIR_STORAGE_POOL_RUNNING" id="VIR_STORAGE_POOL_RUNNING">VIR_STORAGE_POOL_RUNNING</a></td><td> = </td><td>2</td><td> : Running normally</td></tr><tr><td><a name="VIR_STORAGE_POOL_DEGRADED" id="VIR_STORAGE_POOL_DEGRADED">VIR_STORAGE_POOL_DEGRADED</a></td><td> = </td><td>3</td><td> : Running degraded</td></tr></table><pre>}
</pre></div><h3><a name="virStorageVol" id="virStorageVol"><code>virStorageVol</code></a></h3><div class="api"><pre>struct virStorageVol{
</pre><table><tr><td colspan="3">The content of this structure is not made public by the API</td></tr></table><pre>
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</pre></div><h3><a name="virStorageVolDeleteFlags" id="virStorageVolDeleteFlags"><code>virStorageVolDeleteFlags</code></a></h3><div class="api"><pre>enum virStorageVolDeleteFlags {
</pre><table><tr><td><a name="VIR_STORAGE_VOL_DELETE_NORMAL" id="VIR_STORAGE_VOL_DELETE_NORMAL">VIR_STORAGE_VOL_DELETE_NORMAL</a></td><td> = </td><td>0</td><td> : Delete metadata only (fast)</td></tr><tr><td><a name="VIR_STORAGE_VOL_DELETE_ZEROED" id="VIR_STORAGE_VOL_DELETE_ZEROED">VIR_STORAGE_VOL_DELETE_ZEROED</a></td><td> = </td><td>1</td><td> : Clear all data to zeros (slow)</td></tr></table><pre>}
</pre></div><h3><a name="virStorageVolInfo" id="virStorageVolInfo"><code>virStorageVolInfo</code></a></h3><div class="api"><pre>struct virStorageVolInfo{
</pre><table><tr><td>int</td><td>type</td><td> : <a href="libvirt-libvirt.html#virStorageVolType">virStorageVolType</a> flags</td></tr><tr><td>unsigned long long</td><td>capacity</td><td> : Logical size bytes</td></tr><tr><td>unsigned long long</td><td>allocation</td><td> : Current allocation bytes</td></tr></table><pre>
}
</pre></div><h3><a name="virStorageVolType" id="virStorageVolType"><code>virStorageVolType</code></a></h3><div class="api"><pre>enum virStorageVolType {
</pre><table><tr><td><a name="VIR_STORAGE_VOL_FILE" id="VIR_STORAGE_VOL_FILE">VIR_STORAGE_VOL_FILE</a></td><td> = </td><td>0</td><td> : Regular file based volumes</td></tr><tr><td><a name="VIR_STORAGE_VOL_BLOCK" id="VIR_STORAGE_VOL_BLOCK">VIR_STORAGE_VOL_BLOCK</a></td><td> = </td><td>1</td><td> : Block based volumes</td></tr></table><pre>}
</pre></div><h3><a name="virVcpuInfo" id="virVcpuInfo"><code>virVcpuInfo</code></a></h3><div class="api"><pre>struct virVcpuInfo{
</pre><table><tr><td>unsigned int</td><td>number</td><td> : virtual CPU number</td></tr><tr><td>int</td><td>state</td><td> : value from <a href="libvirt-libvirt.html#virVcpuState">virVcpuState</a></td></tr><tr><td>unsigned long long</td><td>cpuTime</td><td> : CPU time used, in nanoseconds</td></tr><tr><td>int</td><td>cpu</td><td> : real CPU number, or -1 if offline</td></tr></table><pre>
}
</pre></div><h3><a name="virVcpuState" id="virVcpuState"><code>virVcpuState</code></a></h3><div class="api"><pre>enum virVcpuState {
</pre><table><tr><td><a name="VIR_VCPU_OFFLINE" id="VIR_VCPU_OFFLINE">VIR_VCPU_OFFLINE</a></td><td> = </td><td>0</td><td> : the virtual CPU is offline</td></tr><tr><td><a name="VIR_VCPU_RUNNING" id="VIR_VCPU_RUNNING">VIR_VCPU_RUNNING</a></td><td> = </td><td>1</td><td> : the virtual CPU is running</td></tr><tr><td><a name="VIR_VCPU_BLOCKED" id="VIR_VCPU_BLOCKED">VIR_VCPU_BLOCKED</a></td><td> = </td><td>2</td><td> : the virtual CPU is blocked on resource</td></tr></table><pre>}
</pre></div><h3><a name="functions" id="functions">Functions</a></h3><h3><a name="virConnectAuthCallbackPtr" id="virConnectAuthCallbackPtr"><code>virConnectAuthCallbackPtr</code></a></h3><pre class="programlisting">typedef int	(*virConnectAuthCallbackPtr)	(<a href="libvirt-libvirt.html#virConnectCredentialPtr">virConnectCredentialPtr</a> cred, <br />					 unsigned int ncred, <br />					 void * cbdata)
</pre><p></p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>cred</tt></i>:</span></td><td></td></tr><tr><td><span class="term"><i><tt>ncred</tt></i>:</span></td><td></td></tr><tr><td><span class="term"><i><tt>cbdata</tt></i>:</span></td><td></td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td></td></tr></tbody></table></div><br /><h3><a name="virConnectClose" id="virConnectClose"><code>virConnectClose</code></a></h3><pre class="programlisting">int	virConnectClose			(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)<br />
</pre><p>This function closes the connection to the Hypervisor. This should not be called if further interaction with the Hypervisor are needed especially if there is running domain which need further monitoring by the application.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success or -1 in case of error.</td></tr></tbody></table></div><h3><a name="virConnectGetCapabilities" id="virConnectGetCapabilities"><code>virConnectGetCapabilities</code></a></h3><pre class="programlisting">char *	virConnectGetCapabilities	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)<br />
</pre><p>Provides capabilities of the hypervisor / driver.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>NULL in case of error, or an XML string defining the capabilities. The client must free the returned string after use.</td></tr></tbody></table></div><h3><a name="virConnectGetHostname" id="virConnectGetHostname"><code>virConnectGetHostname</code></a></h3><pre class="programlisting">char *	virConnectGetHostname		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)<br />
</pre><p>This returns the system hostname on which the hypervisor is running (the result of the gethostname(2) system call). If we are connected to a remote system, then this returns the hostname of the remote system.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to a hypervisor connection</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the hostname which must be freed by the caller, or NULL if there was an error.</td></tr></tbody></table></div><h3><a name="virConnectGetMaxVcpus" id="virConnectGetMaxVcpus"><code>virConnectGetMaxVcpus</code></a></h3><pre class="programlisting">int	virConnectGetMaxVcpus		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const char * type)<br />
</pre><p>Provides the maximum number of virtual CPUs supported for a guest VM of a specific type. The 'type' parameter here corresponds to the 'type' attribute in the &lt;domain&gt; element of the XML.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>type</tt></i>:</span></td><td>value of the 'type' attribute in the &lt;domain&gt; element</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the maximum of virtual CPU or -1 in case of error.</td></tr></tbody></table></div><h3><a name="virConnectGetType" id="virConnectGetType"><code>virConnectGetType</code></a></h3><pre class="programlisting">const char *	virConnectGetType	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)<br />
</pre><p>Get the name of the Hypervisor software used.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>NULL in case of error, a static zero terminated string otherwise. See also: http://www.redhat.com/archives/libvir-list/2007-February/msg00096.html</td></tr></tbody></table></div><h3><a name="virConnectGetURI" id="virConnectGetURI"><code>virConnectGetURI</code></a></h3><pre class="programlisting">char *	virConnectGetURI		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)<br />
</pre><p>This returns the URI (name) of the hypervisor connection. Normally this is the same as or similar to the string passed to the virConnectOpen/virConnectOpenReadOnly call, but the driver may make the URI canonical. If name == NULL was passed to virConnectOpen, then the driver will return a non-NULL URI which can be used to connect to the same hypervisor later.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to a hypervisor connection</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the URI string which must be freed by the caller, or NULL if there was an error.</td></tr></tbody></table></div><h3><a name="virConnectGetVersion" id="virConnectGetVersion"><code>virConnectGetVersion</code></a></h3><pre class="programlisting">int	virConnectGetVersion		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 unsigned long * hvVer)<br />
</pre><p>Get the version level of the Hypervisor running. This may work only with hypervisor call, i.e. with privileged access to the hypervisor, not with a Read-Only connection.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>hvVer</tt></i>:</span></td><td>return value for the version of the running hypervisor (OUT)</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>-1 in case of error, 0 otherwise. if the version can't be extracted by lack of capacities returns 0 and @hvVer is 0, otherwise @hvVer value is major * 1,000,000 + minor * 1,000 + release</td></tr></tbody></table></div><h3><a name="virConnectListDefinedDomains" id="virConnectListDefinedDomains"><code>virConnectListDefinedDomains</code></a></h3><pre class="programlisting">int	virConnectListDefinedDomains	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 char ** const names, <br />					 int maxnames)<br />
</pre><p>list the defined but inactive domains, stores the pointers to the names in @names</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>names</tt></i>:</span></td><td>pointer to an array to store the names</td></tr><tr><td><span class="term"><i><tt>maxnames</tt></i>:</span></td><td>size of the array</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of names provided in the array or -1 in case of error</td></tr></tbody></table></div><h3><a name="virConnectListDefinedNetworks" id="virConnectListDefinedNetworks"><code>virConnectListDefinedNetworks</code></a></h3><pre class="programlisting">int	virConnectListDefinedNetworks	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 char ** const names, <br />					 int maxnames)<br />
</pre><p>list the inactive networks, stores the pointers to the names in @names</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>names</tt></i>:</span></td><td>pointer to an array to store the names</td></tr><tr><td><span class="term"><i><tt>maxnames</tt></i>:</span></td><td>size of the array</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of names provided in the array or -1 in case of error</td></tr></tbody></table></div><h3><a name="virConnectListDefinedStoragePools" id="virConnectListDefinedStoragePools"><code>virConnectListDefinedStoragePools</code></a></h3><pre class="programlisting">int	virConnectListDefinedStoragePools	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />						 char ** const names, <br />						 int maxnames)<br />
</pre><p>Provides the list of names of inactive storage pools upto maxnames. If there are more than maxnames, the remaining names will be silently ignored.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to hypervisor connection</td></tr><tr><td><span class="term"><i><tt>names</tt></i>:</span></td><td>array of char * to fill with pool names (allocated by caller)</td></tr><tr><td><span class="term"><i><tt>maxnames</tt></i>:</span></td><td>size of the names array</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success, -1 on error</td></tr></tbody></table></div><h3><a name="virConnectListDomains" id="virConnectListDomains"><code>virConnectListDomains</code></a></h3><pre class="programlisting">int	virConnectListDomains		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 int * ids, <br />					 int maxids)<br />
</pre><p>Collect the list of active domains, and store their ID in @maxids</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>ids</tt></i>:</span></td><td>array to collect the list of IDs of active domains</td></tr><tr><td><span class="term"><i><tt>maxids</tt></i>:</span></td><td>size of @ids</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of domain found or -1 in case of error</td></tr></tbody></table></div><h3><a name="virConnectListNetworks" id="virConnectListNetworks"><code>virConnectListNetworks</code></a></h3><pre class="programlisting">int	virConnectListNetworks		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 char ** const names, <br />					 int maxnames)<br />
</pre><p>Collect the list of active networks, and store their names in @names</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>names</tt></i>:</span></td><td>array to collect the list of names of active networks</td></tr><tr><td><span class="term"><i><tt>maxnames</tt></i>:</span></td><td>size of @names</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of networks found or -1 in case of error</td></tr></tbody></table></div><h3><a name="virConnectListStoragePools" id="virConnectListStoragePools"><code>virConnectListStoragePools</code></a></h3><pre class="programlisting">int	virConnectListStoragePools	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 char ** const names, <br />					 int maxnames)<br />
</pre><p>Provides the list of names of active storage pools upto maxnames. If there are more than maxnames, the remaining names will be silently ignored.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to hypervisor connection</td></tr><tr><td><span class="term"><i><tt>names</tt></i>:</span></td><td>array of char * to fill with pool names (allocated by caller)</td></tr><tr><td><span class="term"><i><tt>maxnames</tt></i>:</span></td><td>size of the names array</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success, -1 on error</td></tr></tbody></table></div><h3><a name="virConnectNumOfDefinedDomains" id="virConnectNumOfDefinedDomains"><code>virConnectNumOfDefinedDomains</code></a></h3><pre class="programlisting">int	virConnectNumOfDefinedDomains	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)<br />
</pre><p>Provides the number of defined but inactive domains.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of domain found or -1 in case of error</td></tr></tbody></table></div><h3><a name="virConnectNumOfDefinedNetworks" id="virConnectNumOfDefinedNetworks"><code>virConnectNumOfDefinedNetworks</code></a></h3><pre class="programlisting">int	virConnectNumOfDefinedNetworks	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)<br />
</pre><p>Provides the number of inactive networks.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of networks found or -1 in case of error</td></tr></tbody></table></div><h3><a name="virConnectNumOfDefinedStoragePools" id="virConnectNumOfDefinedStoragePools"><code>virConnectNumOfDefinedStoragePools</code></a></h3><pre class="programlisting">int	virConnectNumOfDefinedStoragePools	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)<br />
</pre><p>Provides the number of inactive storage pools</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to hypervisor connection</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of pools found, or -1 on error</td></tr></tbody></table></div><h3><a name="virConnectNumOfDomains" id="virConnectNumOfDomains"><code>virConnectNumOfDomains</code></a></h3><pre class="programlisting">int	virConnectNumOfDomains		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)<br />
</pre><p>Provides the number of active domains.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of domain found or -1 in case of error</td></tr></tbody></table></div><h3><a name="virConnectNumOfNetworks" id="virConnectNumOfNetworks"><code>virConnectNumOfNetworks</code></a></h3><pre class="programlisting">int	virConnectNumOfNetworks		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)<br />
</pre><p>Provides the number of active networks.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of network found or -1 in case of error</td></tr></tbody></table></div><h3><a name="virConnectNumOfStoragePools" id="virConnectNumOfStoragePools"><code>virConnectNumOfStoragePools</code></a></h3><pre class="programlisting">int	virConnectNumOfStoragePools	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)<br />
</pre><p>Provides the number of active storage pools</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to hypervisor connection</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of pools found, or -1 on error</td></tr></tbody></table></div><h3><a name="virConnectOpen" id="virConnectOpen"><code>virConnectOpen</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a>	virConnectOpen		(const char * name)<br />
</pre><p>This function should be called first to get a connection to the Hypervisor and xen store</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>URI of the hypervisor</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the hypervisor connection or NULL in case of error URIs are documented at http://libvirt.org/uri.html</td></tr></tbody></table></div><h3><a name="virConnectOpenAuth" id="virConnectOpenAuth"><code>virConnectOpenAuth</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a>	virConnectOpenAuth	(const char * name, <br />					 <a href="libvirt-libvirt.html#virConnectAuthPtr">virConnectAuthPtr</a> auth, <br />					 int flags)<br />
</pre><p>This function should be called first to get a connection to the Hypervisor. If necessary, authentication will be performed fetching credentials via the callback</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>URI of the hypervisor</td></tr><tr><td><span class="term"><i><tt>auth</tt></i>:</span></td><td>Authenticate callback parameters</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>Open flags</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the hypervisor connection or NULL in case of error URIs are documented at http://libvirt.org/uri.html</td></tr></tbody></table></div><h3><a name="virConnectOpenReadOnly" id="virConnectOpenReadOnly"><code>virConnectOpenReadOnly</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a>	virConnectOpenReadOnly	(const char * name)<br />
</pre><p>This function should be called first to get a restricted connection to the library functionalities. The set of APIs usable are then restricted on the available methods to control the domains.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>URI of the hypervisor</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the hypervisor connection or NULL in case of error URIs are documented at http://libvirt.org/uri.html</td></tr></tbody></table></div><h3><a name="virDomainAttachDevice" id="virDomainAttachDevice"><code>virDomainAttachDevice</code></a></h3><pre class="programlisting">int	virDomainAttachDevice		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 const char * xml)<br />
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</pre><p>Create a virtual device attachment to backend.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>pointer to domain object</td></tr><tr><td><span class="term"><i><tt>xml</tt></i>:</span></td><td>pointer to XML description of one device</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success, -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainBlockPeek" id="virDomainBlockPeek"><code>virDomainBlockPeek</code></a></h3><pre class="programlisting">int	virDomainBlockPeek		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> dom, <br />					 const char * path, <br />					 unsigned long long offset, <br />					 size_t size, <br />					 void * buffer, <br />					 unsigned int flags)<br />
</pre><p>This function allows you to read the contents of a domain's disk device. Typical uses for this are to determine if the domain has written a Master Boot Record (indicating that the domain has completed installation), or to try to work out the state of the domain's filesystems. (Note that in the local case you might try to open the block device or file directly, but that won't work in the remote case, nor if you don't have sufficient permission. Hence the need for this call). 'path' must be a device or file corresponding to the domain. In other words it must be the precise string returned in a &lt;disk&gt;&lt;source dev='...'/&gt;&lt;/disk&gt; from virDomainGetXMLDesc. 'offset' and 'size' represent an area which must lie entirely within the device or file. 'size' may be 0 to test if the call would succeed. 'buffer' is the return buffer and must be at least 'size' bytes. NB. The remote driver imposes a 64K byte limit on 'size'. For your program to be able to work reliably over a remote connection you should split large requests to &lt;= 65536 bytes.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dom</tt></i>:</span></td><td>pointer to the domain object</td></tr><tr><td><span class="term"><i><tt>path</tt></i>:</span></td><td>path to the block device</td></tr><tr><td><span class="term"><i><tt>offset</tt></i>:</span></td><td>offset within block device</td></tr><tr><td><span class="term"><i><tt>size</tt></i>:</span></td><td>size to read</td></tr><tr><td><span class="term"><i><tt>buffer</tt></i>:</span></td><td>return buffer (must be at least size bytes)</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>unused, always pass 0</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success or -1 in case of failure. really 64 bits</td></tr></tbody></table></div><h3><a name="virDomainBlockStats" id="virDomainBlockStats"><code>virDomainBlockStats</code></a></h3><pre class="programlisting">int	virDomainBlockStats		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> dom, <br />					 const char * path, <br />					 <a href="libvirt-libvirt.html#virDomainBlockStatsPtr">virDomainBlockStatsPtr</a> stats, <br />					 size_t size)<br />
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</pre><p>This function returns block device (disk) stats for block devices attached to the domain. The path parameter is the name of the block device. Get this by calling <a href="libvirt-libvirt.html#virDomainGetXMLDesc">virDomainGetXMLDesc</a> and finding the &lt;target dev='...'&gt; attribute within //domain/devices/disk. (For example, "xvda"). Domains may have more than one block device. To get stats for each you should make multiple calls to this function. Individual fields within the stats structure may be returned as -1, which indicates that the hypervisor does not support that particular statistic.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dom</tt></i>:</span></td><td>pointer to the domain object</td></tr><tr><td><span class="term"><i><tt>path</tt></i>:</span></td><td>path to the block device</td></tr><tr><td><span class="term"><i><tt>stats</tt></i>:</span></td><td>block device stats (returned)</td></tr><tr><td><span class="term"><i><tt>size</tt></i>:</span></td><td>size of stats structure</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success or -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainCoreDump" id="virDomainCoreDump"><code>virDomainCoreDump</code></a></h3><pre class="programlisting">int	virDomainCoreDump		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 const char * to, <br />					 int flags)<br />
</pre><p>This method will dump the core of a domain on a given file for analysis. Note that for remote Xen Daemon the file path will be interpreted in the remote host.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>to</tt></i>:</span></td><td>path for the core file</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>extra flags, currently unused</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainCreate" id="virDomainCreate"><code>virDomainCreate</code></a></h3><pre class="programlisting">int	virDomainCreate			(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)<br />
</pre><p>launch a defined domain. If the call succeed the domain moves from the defined to the running domains pools.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>pointer to a defined domain</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success, -1 in case of error</td></tr></tbody></table></div><h3><a name="virDomainCreateLinux" id="virDomainCreateLinux"><code>virDomainCreateLinux</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a>	virDomainCreateLinux	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const char * xmlDesc, <br />					 unsigned int flags)<br />
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</pre><p>Launch a new Linux guest domain, based on an XML description similar to the one returned by virDomainGetXMLDesc() This function may requires privileged access to the hypervisor. The domain is not persistent, so its definition will disappear when it is destroyed, or if the host is restarted (see virDomainDefineXML() to define persistent domains).</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>xmlDesc</tt></i>:</span></td><td>string containing an XML description of the domain</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>an optional set of virDomainFlags</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new domain object or NULL in case of failure</td></tr></tbody></table></div><h3><a name="virDomainDefineXML" id="virDomainDefineXML"><code>virDomainDefineXML</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a>	virDomainDefineXML	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const char * xml)<br />
</pre><p>Define a domain, but does not start it. This definition is persistent, until explicitly undefined with virDomainUndefine().</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>xml</tt></i>:</span></td><td>the XML description for the domain, preferably in UTF-8</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>NULL in case of error, a pointer to the domain otherwise</td></tr></tbody></table></div><h3><a name="virDomainDestroy" id="virDomainDestroy"><code>virDomainDestroy</code></a></h3><pre class="programlisting">int	virDomainDestroy		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)<br />
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</pre><p>Destroy the domain object. The running instance is shutdown if not down already and all resources used by it are given back to the hypervisor. This does not free the associated <a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> object. This function may require privileged access</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainDetachDevice" id="virDomainDetachDevice"><code>virDomainDetachDevice</code></a></h3><pre class="programlisting">int	virDomainDetachDevice		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 const char * xml)<br />
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</pre><p>Destroy a virtual device attachment to backend.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>pointer to domain object</td></tr><tr><td><span class="term"><i><tt>xml</tt></i>:</span></td><td>pointer to XML description of one device</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success, -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainFree" id="virDomainFree"><code>virDomainFree</code></a></h3><pre class="programlisting">int	virDomainFree			(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)<br />
</pre><p>Free the domain object. The running instance is kept alive. The data structure is freed and should not be used thereafter.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainGetAutostart" id="virDomainGetAutostart"><code>virDomainGetAutostart</code></a></h3><pre class="programlisting">int	virDomainGetAutostart		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 int * autostart)<br />
</pre><p>Provides a boolean value indicating whether the domain configured to be automatically started when the host machine boots.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>autostart</tt></i>:</span></td><td>the value returned</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>-1 in case of error, 0 in case of success</td></tr></tbody></table></div><h3><a name="virDomainGetConnect" id="virDomainGetConnect"><code>virDomainGetConnect</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a>	virDomainGetConnect	(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> dom)<br />
</pre><p>Provides the connection pointer associated with a domain. The reference counter on the connection is not increased by this call. WARNING: When writing libvirt bindings in other languages, do not use this function. Instead, store the connection and the domain object together.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dom</tt></i>:</span></td><td>pointer to a domain</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the <a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> or NULL in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainGetID" id="virDomainGetID"><code>virDomainGetID</code></a></h3><pre class="programlisting">unsigned int	virDomainGetID		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)<br />
</pre><p>Get the hypervisor ID number for the domain</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the domain ID number or (unsigned int) -1 in case of error</td></tr></tbody></table></div><h3><a name="virDomainGetInfo" id="virDomainGetInfo"><code>virDomainGetInfo</code></a></h3><pre class="programlisting">int	virDomainGetInfo		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 <a href="libvirt-libvirt.html#virDomainInfoPtr">virDomainInfoPtr</a> info)<br />
</pre><p>Extract information about a domain. Note that if the connection used to get the domain is limited only a partial set of the information can be extracted.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>info</tt></i>:</span></td><td>pointer to a <a href="libvirt-libvirt.html#virDomainInfo">virDomainInfo</a> structure allocated by the user</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainGetMaxMemory" id="virDomainGetMaxMemory"><code>virDomainGetMaxMemory</code></a></h3><pre class="programlisting">unsigned long	virDomainGetMaxMemory	(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)<br />
</pre><p>Retrieve the maximum amount of physical memory allocated to a domain. If domain is NULL, then this get the amount of memory reserved to Domain0 i.e. the domain where the application runs.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object or NULL</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the memory size in kilobytes or 0 in case of error.</td></tr></tbody></table></div><h3><a name="virDomainGetMaxVcpus" id="virDomainGetMaxVcpus"><code>virDomainGetMaxVcpus</code></a></h3><pre class="programlisting">int	virDomainGetMaxVcpus		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)<br />
</pre><p>Provides the maximum number of virtual CPUs supported for the guest VM. If the guest is inactive, this is basically the same as virConnectGetMaxVcpus. If the guest is running this will reflect the maximum number of virtual CPUs the guest was booted with.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>pointer to domain object</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the maximum of virtual CPU or -1 in case of error.</td></tr></tbody></table></div><h3><a name="virDomainGetName" id="virDomainGetName"><code>virDomainGetName</code></a></h3><pre class="programlisting">const char *	virDomainGetName	(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)<br />
</pre><p>Get the public name for that domain</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the name or NULL, the string need not be deallocated its lifetime will be the same as the domain object.</td></tr></tbody></table></div><h3><a name="virDomainGetOSType" id="virDomainGetOSType"><code>virDomainGetOSType</code></a></h3><pre class="programlisting">char *	virDomainGetOSType		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)<br />
</pre><p>Get the type of domain operation system.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the new string or NULL in case of error, the string must be freed by the caller.</td></tr></tbody></table></div><h3><a name="virDomainGetSchedulerParameters" id="virDomainGetSchedulerParameters"><code>virDomainGetSchedulerParameters</code></a></h3><pre class="programlisting">int	virDomainGetSchedulerParameters	(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 <a href="libvirt-libvirt.html#virSchedParameterPtr">virSchedParameterPtr</a> params, <br />					 int * nparams)<br />
</pre><p>Get the scheduler parameters, the @params array will be filled with the values.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>pointer to domain object</td></tr><tr><td><span class="term"><i><tt>params</tt></i>:</span></td><td>pointer to scheduler parameter object (return value)</td></tr><tr><td><span class="term"><i><tt>nparams</tt></i>:</span></td><td>pointer to number of scheduler parameter (this value should be same than the returned value nparams of virDomainGetSchedulerType)</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>-1 in case of error, 0 in case of success.</td></tr></tbody></table></div><h3><a name="virDomainGetSchedulerType" id="virDomainGetSchedulerType"><code>virDomainGetSchedulerType</code></a></h3><pre class="programlisting">char *	virDomainGetSchedulerType	(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 int * nparams)<br />
</pre><p>Get the scheduler type.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>pointer to domain object</td></tr><tr><td><span class="term"><i><tt>nparams</tt></i>:</span></td><td>number of scheduler parameters(return value)</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>NULL in case of error. The caller must free the returned string.</td></tr></tbody></table></div><h3><a name="virDomainGetUUID" id="virDomainGetUUID"><code>virDomainGetUUID</code></a></h3><pre class="programlisting">int	virDomainGetUUID		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 unsigned char * uuid)<br />
</pre><p>Get the UUID for a domain</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>uuid</tt></i>:</span></td><td>pointer to a <a href="libvirt-libvirt.html#VIR_UUID_BUFLEN">VIR_UUID_BUFLEN</a> bytes array</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>-1 in case of error, 0 in case of success</td></tr></tbody></table></div><h3><a name="virDomainGetUUIDString" id="virDomainGetUUIDString"><code>virDomainGetUUIDString</code></a></h3><pre class="programlisting">int	virDomainGetUUIDString		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 char * buf)<br />
</pre><p>Get the UUID for a domain as string. For more information about UUID see RFC4122.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>buf</tt></i>:</span></td><td>pointer to a <a href="libvirt-libvirt.html#VIR_UUID_STRING_BUFLEN">VIR_UUID_STRING_BUFLEN</a> bytes array</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>-1 in case of error, 0 in case of success</td></tr></tbody></table></div><h3><a name="virDomainGetVcpus" id="virDomainGetVcpus"><code>virDomainGetVcpus</code></a></h3><pre class="programlisting">int	virDomainGetVcpus		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 <a href="libvirt-libvirt.html#virVcpuInfoPtr">virVcpuInfoPtr</a> info, <br />					 int maxinfo, <br />					 unsigned char * cpumaps, <br />					 int maplen)<br />
</pre><p>Extract information about virtual CPUs of domain, store it in info array and also in cpumaps if this pointer isn't NULL.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>pointer to domain object, or NULL for Domain0</td></tr><tr><td><span class="term"><i><tt>info</tt></i>:</span></td><td>pointer to an array of <a href="libvirt-libvirt.html#virVcpuInfo">virVcpuInfo</a> structures (OUT)</td></tr><tr><td><span class="term"><i><tt>maxinfo</tt></i>:</span></td><td>number of structures in info array</td></tr><tr><td><span class="term"><i><tt>cpumaps</tt></i>:</span></td><td>pointer to an bit map of real CPUs for all vcpus of this domain (in 8-bit bytes) (OUT) If cpumaps is NULL, then no cpumap information is returned by the API. It's assumed there is &lt;maxinfo&gt; cpumap in cpumaps array. The memory allocated to cpumaps must be (maxinfo * maplen) bytes (ie: calloc(maxinfo, maplen)). One cpumap inside cpumaps has the format described in virDomainPinVcpu() API.</td></tr><tr><td><span class="term"><i><tt>maplen</tt></i>:</span></td><td>number of bytes in one cpumap, from 1 up to size of CPU map in underlying virtualization system (Xen...).</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of info filled in case of success, -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainGetXMLDesc" id="virDomainGetXMLDesc"><code>virDomainGetXMLDesc</code></a></h3><pre class="programlisting">char *	virDomainGetXMLDesc		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 int flags)<br />
</pre><p>Provide an XML description of the domain. The description may be reused later to relaunch the domain with virDomainCreateLinux().</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>an OR'ed set of <a href="libvirt-libvirt.html#virDomainXMLFlags">virDomainXMLFlags</a></td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a 0 terminated UTF-8 encoded XML instance, or NULL in case of error. the caller must free() the returned value.</td></tr></tbody></table></div><h3><a name="virDomainInterfaceStats" id="virDomainInterfaceStats"><code>virDomainInterfaceStats</code></a></h3><pre class="programlisting">int	virDomainInterfaceStats		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> dom, <br />					 const char * path, <br />					 <a href="libvirt-libvirt.html#virDomainInterfaceStatsPtr">virDomainInterfaceStatsPtr</a> stats, <br />					 size_t size)<br />
</pre><p>This function returns network interface stats for interfaces attached to the domain. The path parameter is the name of the network interface. Domains may have more than network interface. To get stats for each you should make multiple calls to this function. Individual fields within the stats structure may be returned as -1, which indicates that the hypervisor does not support that particular statistic.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dom</tt></i>:</span></td><td>pointer to the domain object</td></tr><tr><td><span class="term"><i><tt>path</tt></i>:</span></td><td>path to the interface</td></tr><tr><td><span class="term"><i><tt>stats</tt></i>:</span></td><td>network interface stats (returned)</td></tr><tr><td><span class="term"><i><tt>size</tt></i>:</span></td><td>size of stats structure</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success or -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainLookupByID" id="virDomainLookupByID"><code>virDomainLookupByID</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a>	virDomainLookupByID	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 int id)<br />
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</pre><p>Try to find a domain based on the hypervisor ID number Note that this won't work for inactive domains which have an ID of -1, in that case a lookup based on the Name or UUId need to be done instead.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>id</tt></i>:</span></td><td>the domain ID number</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new domain object or NULL in case of failure. If the domain cannot be found, then <a href="libvirt-virterror.html#VIR_ERR_NO_DOMAIN">VIR_ERR_NO_DOMAIN</a> error is raised.</td></tr></tbody></table></div><h3><a name="virDomainLookupByName" id="virDomainLookupByName"><code>virDomainLookupByName</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a>	virDomainLookupByName	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const char * name)<br />
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</pre><p>Try to lookup a domain on the given hypervisor based on its name.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>name for the domain</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new domain object or NULL in case of failure. If the domain cannot be found, then <a href="libvirt-virterror.html#VIR_ERR_NO_DOMAIN">VIR_ERR_NO_DOMAIN</a> error is raised.</td></tr></tbody></table></div><h3><a name="virDomainLookupByUUID" id="virDomainLookupByUUID"><code>virDomainLookupByUUID</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a>	virDomainLookupByUUID	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const unsigned char * uuid)<br />
</pre><p>Try to lookup a domain on the given hypervisor based on its UUID.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>uuid</tt></i>:</span></td><td>the raw UUID for the domain</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new domain object or NULL in case of failure. If the domain cannot be found, then <a href="libvirt-virterror.html#VIR_ERR_NO_DOMAIN">VIR_ERR_NO_DOMAIN</a> error is raised.</td></tr></tbody></table></div><h3><a name="virDomainLookupByUUIDString" id="virDomainLookupByUUIDString"><code>virDomainLookupByUUIDString</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a>	virDomainLookupByUUIDString	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />						 const char * uuidstr)<br />
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</pre><p>Try to lookup a domain on the given hypervisor based on its UUID.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>uuidstr</tt></i>:</span></td><td>the string UUID for the domain</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new domain object or NULL in case of failure. If the domain cannot be found, then <a href="libvirt-virterror.html#VIR_ERR_NO_DOMAIN">VIR_ERR_NO_DOMAIN</a> error is raised.</td></tr></tbody></table></div><h3><a name="virDomainMemoryPeek" id="virDomainMemoryPeek"><code>virDomainMemoryPeek</code></a></h3><pre class="programlisting">int	virDomainMemoryPeek		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> dom, <br />					 unsigned long long start, <br />					 size_t size, <br />					 void * buffer, <br />					 unsigned int flags)<br />
</pre><p>This function allows you to read the contents of a domain's memory. The memory which is read is controlled by the 'start', 'size' and 'flags' parameters. If 'flags' is <a href="libvirt-libvirt.html#VIR_MEMORY_VIRTUAL">VIR_MEMORY_VIRTUAL</a> then the 'start' and 'size' parameters are interpreted as virtual memory addresses for whichever task happens to be running on the domain at the moment. Although this sounds haphazard it is in fact what you want in order to read Linux kernel state, because it ensures that pointers in the kernel image can be interpreted coherently. 'buffer' is the return buffer and must be at least 'size' bytes. 'size' may be 0 to test if the call would succeed. NB. The remote driver imposes a 64K byte limit on 'size'. For your program to be able to work reliably over a remote connection you should split large requests to &lt;= 65536 bytes.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dom</tt></i>:</span></td><td>pointer to the domain object</td></tr><tr><td><span class="term"><i><tt>start</tt></i>:</span></td><td>start of memory to peek</td></tr><tr><td><span class="term"><i><tt>size</tt></i>:</span></td><td>size of memory to peek</td></tr><tr><td><span class="term"><i><tt>buffer</tt></i>:</span></td><td>return buffer (must be at least size bytes)</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>flags, see below</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success or -1 in case of failure. really 64 bits</td></tr></tbody></table></div><h3><a name="virDomainMigrate" id="virDomainMigrate"><code>virDomainMigrate</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a>	virDomainMigrate	(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 <a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> dconn, <br />					 unsigned long flags, <br />					 const char * dname, <br />					 const char * uri, <br />					 unsigned long bandwidth)<br />
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</pre><p>Migrate the domain object from its current host to the destination host given by dconn (a connection to the destination host). Flags may be one of more of the following: <a href="libvirt-libvirt.html#VIR_MIGRATE_LIVE">VIR_MIGRATE_LIVE</a> Attempt a live migration. If a hypervisor supports renaming domains during migration, then you may set the dname parameter to the new name (otherwise it keeps the same name). If this is not supported by the hypervisor, dname must be NULL or else you will get an error. Since typically the two hypervisors connect directly to each other in order to perform the migration, you may need to specify a path from the source to the destination. This is the purpose of the uri parameter. If uri is NULL, then libvirt will try to find the best method. Uri may specify the hostname or IP address of the destination host as seen from the source. Or uri may be a URI giving transport, hostname, user, port, etc. in the usual form. Refer to driver documentation for the particular URIs supported. The maximum bandwidth (in Mbps) that will be used to do migration can be specified with the bandwidth parameter. If set to 0, libvirt will choose a suitable default. Some hypervisors do not support this feature and will return an error if bandwidth is not 0. To see which features are supported by the current hypervisor, see virConnectGetCapabilities, /capabilities/host/migration_features. There are many limitations on migration imposed by the underlying technology - for example it may not be possible to migrate between different processors even with the same architecture, or between different types of hypervisor.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>dconn</tt></i>:</span></td><td>destination host (a connection object)</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>flags</td></tr><tr><td><span class="term"><i><tt>dname</tt></i>:</span></td><td>(optional) rename domain to this at destination</td></tr><tr><td><span class="term"><i><tt>uri</tt></i>:</span></td><td>(optional) dest hostname/URI as seen from the source host</td></tr><tr><td><span class="term"><i><tt>bandwidth</tt></i>:</span></td><td>(optional) specify migration bandwidth limit in Mbps</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the new domain object if the migration was successful, or NULL in case of error. Note that the new domain object exists in the scope of the destination connection (dconn).</td></tr></tbody></table></div><h3><a name="virDomainPinVcpu" id="virDomainPinVcpu"><code>virDomainPinVcpu</code></a></h3><pre class="programlisting">int	virDomainPinVcpu		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 unsigned int vcpu, <br />					 unsigned char * cpumap, <br />					 int maplen)<br />
</pre><p>Dynamically change the real CPUs which can be allocated to a virtual CPU. This function requires privileged access to the hypervisor.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>pointer to domain object, or NULL for Domain0</td></tr><tr><td><span class="term"><i><tt>vcpu</tt></i>:</span></td><td>virtual CPU number</td></tr><tr><td><span class="term"><i><tt>cpumap</tt></i>:</span></td><td>pointer to a bit map of real CPUs (in 8-bit bytes) (IN) Each bit set to 1 means that corresponding CPU is usable. Bytes are stored in little-endian order: CPU0-7, 8-15... In each byte, lowest CPU number is least significant bit.</td></tr><tr><td><span class="term"><i><tt>maplen</tt></i>:</span></td><td>number of bytes in cpumap, from 1 up to size of CPU map in underlying virtualization system (Xen...). If maplen &lt; size, missing bytes are set to zero. If maplen &gt; size, failure code is returned.</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success, -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainReboot" id="virDomainReboot"><code>virDomainReboot</code></a></h3><pre class="programlisting">int	virDomainReboot			(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 unsigned int flags)<br />
</pre><p>Reboot a domain, the domain object is still usable there after but the domain OS is being stopped for a restart. Note that the guest OS may ignore the request.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>extra flags for the reboot operation, not used yet</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainRestore" id="virDomainRestore"><code>virDomainRestore</code></a></h3><pre class="programlisting">int	virDomainRestore		(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const char * from)<br />
</pre><p>This method will restore a domain saved to disk by virDomainSave().</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>from</tt></i>:</span></td><td>path to the</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainResume" id="virDomainResume"><code>virDomainResume</code></a></h3><pre class="programlisting">int	virDomainResume			(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)<br />
</pre><p>Resume an suspended domain, the process is restarted from the state where it was frozen by calling virSuspendDomain(). This function may requires privileged access</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainSave" id="virDomainSave"><code>virDomainSave</code></a></h3><pre class="programlisting">int	virDomainSave			(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 const char * to)<br />
</pre><p>This method will suspend a domain and save its memory contents to a file on disk. After the call, if successful, the domain is not listed as running anymore (this may be a problem). Use virDomainRestore() to restore a domain after saving.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>to</tt></i>:</span></td><td>path for the output file</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainSetAutostart" id="virDomainSetAutostart"><code>virDomainSetAutostart</code></a></h3><pre class="programlisting">int	virDomainSetAutostart		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 int autostart)<br />
</pre><p>Configure the domain to be automatically started when the host machine boots.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>autostart</tt></i>:</span></td><td>whether the domain should be automatically started 0 or 1</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>-1 in case of error, 0 in case of success</td></tr></tbody></table></div><h3><a name="virDomainSetMaxMemory" id="virDomainSetMaxMemory"><code>virDomainSetMaxMemory</code></a></h3><pre class="programlisting">int	virDomainSetMaxMemory		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 unsigned long memory)<br />
</pre><p>Dynamically change the maximum amount of physical memory allocated to a domain. If domain is NULL, then this change the amount of memory reserved to Domain0 i.e. the domain where the application runs. This function requires privileged access to the hypervisor.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object or NULL</td></tr><tr><td><span class="term"><i><tt>memory</tt></i>:</span></td><td>the memory size in kilobytes</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainSetMemory" id="virDomainSetMemory"><code>virDomainSetMemory</code></a></h3><pre class="programlisting">int	virDomainSetMemory		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 unsigned long memory)<br />
</pre><p>Dynamically change the target amount of physical memory allocated to a domain. If domain is NULL, then this change the amount of memory reserved to Domain0 i.e. the domain where the application runs. This function may requires privileged access to the hypervisor.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object or NULL</td></tr><tr><td><span class="term"><i><tt>memory</tt></i>:</span></td><td>the memory size in kilobytes</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainSetSchedulerParameters" id="virDomainSetSchedulerParameters"><code>virDomainSetSchedulerParameters</code></a></h3><pre class="programlisting">int	virDomainSetSchedulerParameters	(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 <a href="libvirt-libvirt.html#virSchedParameterPtr">virSchedParameterPtr</a> params, <br />					 int nparams)<br />
</pre><p>Change the scheduler parameters</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>pointer to domain object</td></tr><tr><td><span class="term"><i><tt>params</tt></i>:</span></td><td>pointer to scheduler parameter objects</td></tr><tr><td><span class="term"><i><tt>nparams</tt></i>:</span></td><td>number of scheduler parameter (this value should be same or less than the returned value nparams of virDomainGetSchedulerType)</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>-1 in case of error, 0 in case of success.</td></tr></tbody></table></div><h3><a name="virDomainSetVcpus" id="virDomainSetVcpus"><code>virDomainSetVcpus</code></a></h3><pre class="programlisting">int	virDomainSetVcpus		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain, <br />					 unsigned int nvcpus)<br />
</pre><p>Dynamically change the number of virtual CPUs used by the domain. Note that this call may fail if the underlying virtualization hypervisor does not support it or if growing the number is arbitrary limited. This function requires privileged access to the hypervisor.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>pointer to domain object, or NULL for Domain0</td></tr><tr><td><span class="term"><i><tt>nvcpus</tt></i>:</span></td><td>the new number of virtual CPUs for this domain</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success, -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainShutdown" id="virDomainShutdown"><code>virDomainShutdown</code></a></h3><pre class="programlisting">int	virDomainShutdown		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)<br />
</pre><p>Shutdown a domain, the domain object is still usable there after but the domain OS is being stopped. Note that the guest OS may ignore the request. TODO: should we add an option for reboot, knowing it may not be doable in the general case ?</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainSuspend" id="virDomainSuspend"><code>virDomainSuspend</code></a></h3><pre class="programlisting">int	virDomainSuspend		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)<br />
</pre><p>Suspends an active domain, the process is frozen without further access to CPU resources and I/O but the memory used by the domain at the hypervisor level will stay allocated. Use virDomainResume() to reactivate the domain. This function may requires privileged access.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>a domain object</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virDomainUndefine" id="virDomainUndefine"><code>virDomainUndefine</code></a></h3><pre class="programlisting">int	virDomainUndefine		(<a href="libvirt-libvirt.html#virDomainPtr">virDomainPtr</a> domain)<br />
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</pre><p>Undefine a domain but does not stop it if it is running</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>domain</tt></i>:</span></td><td>pointer to a defined domain</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success, -1 in case of error</td></tr></tbody></table></div><h3><a name="virGetVersion" id="virGetVersion"><code>virGetVersion</code></a></h3><pre class="programlisting">int	virGetVersion			(unsigned long * libVer, <br />					 const char * type, <br />					 unsigned long * typeVer)<br />
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</pre><p>Provides two information back, @libVer is the version of the library while @typeVer will be the version of the hypervisor type @type against which the library was compiled. If @type is NULL, "Xen" is assumed, if @type is unknown or not available, an error code will be returned and @typeVer will be 0.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>libVer</tt></i>:</span></td><td>return value for the library version (OUT)</td></tr><tr><td><span class="term"><i><tt>type</tt></i>:</span></td><td>the type of connection/driver looked at</td></tr><tr><td><span class="term"><i><tt>typeVer</tt></i>:</span></td><td>return value for the version of the hypervisor (OUT)</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>-1 in case of failure, 0 otherwise, and values for @libVer and @typeVer have the format major * 1,000,000 + minor * 1,000 + release.</td></tr></tbody></table></div><h3><a name="virInitialize" id="virInitialize"><code>virInitialize</code></a></h3><pre class="programlisting">int	virInitialize			(void)<br />
</pre><p>Initialize the library. It's better to call this routine at startup in multithreaded applications to avoid potential race when initializing the library.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success, -1 in case of error</td></tr></tbody></table></div><h3><a name="virNetworkCreate" id="virNetworkCreate"><code>virNetworkCreate</code></a></h3><pre class="programlisting">int	virNetworkCreate		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network)<br />
</pre><p>Create and start a defined network. If the call succeed the network moves from the defined to the running networks pools.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>network</tt></i>:</span></td><td>pointer to a defined network</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success, -1 in case of error</td></tr></tbody></table></div><h3><a name="virNetworkCreateXML" id="virNetworkCreateXML"><code>virNetworkCreateXML</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a>	virNetworkCreateXML	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const char * xmlDesc)<br />
</pre><p>Create and start a new virtual network, based on an XML description similar to the one returned by virNetworkGetXMLDesc()</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>xmlDesc</tt></i>:</span></td><td>an XML description of the network</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new network object or NULL in case of failure</td></tr></tbody></table></div><h3><a name="virNetworkDefineXML" id="virNetworkDefineXML"><code>virNetworkDefineXML</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a>	virNetworkDefineXML	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const char * xml)<br />
</pre><p>Define a network, but does not create it</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>xml</tt></i>:</span></td><td>the XML description for the network, preferably in UTF-8</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>NULL in case of error, a pointer to the network otherwise</td></tr></tbody></table></div><h3><a name="virNetworkDestroy" id="virNetworkDestroy"><code>virNetworkDestroy</code></a></h3><pre class="programlisting">int	virNetworkDestroy		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network)<br />
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</pre><p>Destroy the network object. The running instance is shutdown if not down already and all resources used by it are given back to the hypervisor. This does not free the associated <a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> object. This function may require privileged access</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>network</tt></i>:</span></td><td>a network object</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virNetworkFree" id="virNetworkFree"><code>virNetworkFree</code></a></h3><pre class="programlisting">int	virNetworkFree			(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network)<br />
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</pre><p>Free the network object. The running instance is kept alive. The data structure is freed and should not be used thereafter.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>network</tt></i>:</span></td><td>a network object</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virNetworkGetAutostart" id="virNetworkGetAutostart"><code>virNetworkGetAutostart</code></a></h3><pre class="programlisting">int	virNetworkGetAutostart		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network, <br />					 int * autostart)<br />
</pre><p>Provides a boolean value indicating whether the network configured to be automatically started when the host machine boots.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>network</tt></i>:</span></td><td>a network object</td></tr><tr><td><span class="term"><i><tt>autostart</tt></i>:</span></td><td>the value returned</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>-1 in case of error, 0 in case of success</td></tr></tbody></table></div><h3><a name="virNetworkGetBridgeName" id="virNetworkGetBridgeName"><code>virNetworkGetBridgeName</code></a></h3><pre class="programlisting">char *	virNetworkGetBridgeName		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network)<br />
</pre><p>Provides a bridge interface name to which a domain may connect a network interface in order to join the network.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>network</tt></i>:</span></td><td>a network object</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a 0 terminated interface name, or NULL in case of error. the caller must free() the returned value.</td></tr></tbody></table></div><h3><a name="virNetworkGetConnect" id="virNetworkGetConnect"><code>virNetworkGetConnect</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a>	virNetworkGetConnect	(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> net)<br />
</pre><p>Provides the connection pointer associated with a network. The reference counter on the connection is not increased by this call. WARNING: When writing libvirt bindings in other languages, do not use this function. Instead, store the connection and the network object together.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>net</tt></i>:</span></td><td>pointer to a network</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the <a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> or NULL in case of failure.</td></tr></tbody></table></div><h3><a name="virNetworkGetName" id="virNetworkGetName"><code>virNetworkGetName</code></a></h3><pre class="programlisting">const char *	virNetworkGetName	(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network)<br />
</pre><p>Get the public name for that network</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>network</tt></i>:</span></td><td>a network object</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the name or NULL, the string need not be deallocated its lifetime will be the same as the network object.</td></tr></tbody></table></div><h3><a name="virNetworkGetUUID" id="virNetworkGetUUID"><code>virNetworkGetUUID</code></a></h3><pre class="programlisting">int	virNetworkGetUUID		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network, <br />					 unsigned char * uuid)<br />
</pre><p>Get the UUID for a network</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>network</tt></i>:</span></td><td>a network object</td></tr><tr><td><span class="term"><i><tt>uuid</tt></i>:</span></td><td>pointer to a <a href="libvirt-libvirt.html#VIR_UUID_BUFLEN">VIR_UUID_BUFLEN</a> bytes array</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>-1 in case of error, 0 in case of success</td></tr></tbody></table></div><h3><a name="virNetworkGetUUIDString" id="virNetworkGetUUIDString"><code>virNetworkGetUUIDString</code></a></h3><pre class="programlisting">int	virNetworkGetUUIDString		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network, <br />					 char * buf)<br />
</pre><p>Get the UUID for a network as string. For more information about UUID see RFC4122.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>network</tt></i>:</span></td><td>a network object</td></tr><tr><td><span class="term"><i><tt>buf</tt></i>:</span></td><td>pointer to a <a href="libvirt-libvirt.html#VIR_UUID_STRING_BUFLEN">VIR_UUID_STRING_BUFLEN</a> bytes array</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>-1 in case of error, 0 in case of success</td></tr></tbody></table></div><h3><a name="virNetworkGetXMLDesc" id="virNetworkGetXMLDesc"><code>virNetworkGetXMLDesc</code></a></h3><pre class="programlisting">char *	virNetworkGetXMLDesc		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network, <br />					 int flags)<br />
</pre><p>Provide an XML description of the network. The description may be reused later to relaunch the network with virNetworkCreateXML().</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>network</tt></i>:</span></td><td>a network object</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>and OR'ed set of extraction flags, not used yet</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a 0 terminated UTF-8 encoded XML instance, or NULL in case of error. the caller must free() the returned value.</td></tr></tbody></table></div><h3><a name="virNetworkLookupByName" id="virNetworkLookupByName"><code>virNetworkLookupByName</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a>	virNetworkLookupByName	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const char * name)<br />
</pre><p>Try to lookup a network on the given hypervisor based on its name.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>name for the network</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new network object or NULL in case of failure. If the network cannot be found, then <a href="libvirt-virterror.html#VIR_ERR_NO_NETWORK">VIR_ERR_NO_NETWORK</a> error is raised.</td></tr></tbody></table></div><h3><a name="virNetworkLookupByUUID" id="virNetworkLookupByUUID"><code>virNetworkLookupByUUID</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a>	virNetworkLookupByUUID	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 const unsigned char * uuid)<br />
</pre><p>Try to lookup a network on the given hypervisor based on its UUID.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>uuid</tt></i>:</span></td><td>the raw UUID for the network</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new network object or NULL in case of failure. If the network cannot be found, then <a href="libvirt-virterror.html#VIR_ERR_NO_NETWORK">VIR_ERR_NO_NETWORK</a> error is raised.</td></tr></tbody></table></div><h3><a name="virNetworkLookupByUUIDString" id="virNetworkLookupByUUIDString"><code>virNetworkLookupByUUIDString</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a>	virNetworkLookupByUUIDString	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />						 const char * uuidstr)<br />
</pre><p>Try to lookup a network on the given hypervisor based on its UUID.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>uuidstr</tt></i>:</span></td><td>the string UUID for the network</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new network object or NULL in case of failure. If the network cannot be found, then <a href="libvirt-virterror.html#VIR_ERR_NO_NETWORK">VIR_ERR_NO_NETWORK</a> error is raised.</td></tr></tbody></table></div><h3><a name="virNetworkSetAutostart" id="virNetworkSetAutostart"><code>virNetworkSetAutostart</code></a></h3><pre class="programlisting">int	virNetworkSetAutostart		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network, <br />					 int autostart)<br />
</pre><p>Configure the network to be automatically started when the host machine boots.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>network</tt></i>:</span></td><td>a network object</td></tr><tr><td><span class="term"><i><tt>autostart</tt></i>:</span></td><td>whether the network should be automatically started 0 or 1</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>-1 in case of error, 0 in case of success</td></tr></tbody></table></div><h3><a name="virNetworkUndefine" id="virNetworkUndefine"><code>virNetworkUndefine</code></a></h3><pre class="programlisting">int	virNetworkUndefine		(<a href="libvirt-libvirt.html#virNetworkPtr">virNetworkPtr</a> network)<br />
</pre><p>Undefine a network but does not stop it if it is running</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>network</tt></i>:</span></td><td>pointer to a defined network</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success, -1 in case of error</td></tr></tbody></table></div><h3><a name="virNodeGetCellsFreeMemory" id="virNodeGetCellsFreeMemory"><code>virNodeGetCellsFreeMemory</code></a></h3><pre class="programlisting">int	virNodeGetCellsFreeMemory	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 unsigned long long * freeMems, <br />					 int startCell, <br />					 int maxCells)<br />
</pre><p>This call returns the amount of free memory in one or more NUMA cells. The @freeMems array must be allocated by the caller and will be filled with the amount of free memory in kilobytes for each cell requested, starting with startCell (in freeMems[0]), up to either (startCell + maxCells), or the number of additional cells in the node, whichever is smaller.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>freeMems</tt></i>:</span></td><td>pointer to the array of unsigned long long</td></tr><tr><td><span class="term"><i><tt>startCell</tt></i>:</span></td><td>index of first cell to return freeMems info on.</td></tr><tr><td><span class="term"><i><tt>maxCells</tt></i>:</span></td><td>Maximum number of cells for which freeMems information can be returned.</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of entries filled in freeMems, or -1 in case of error.</td></tr></tbody></table></div><h3><a name="virNodeGetFreeMemory" id="virNodeGetFreeMemory"><code>virNodeGetFreeMemory</code></a></h3><pre class="programlisting">unsigned long long	virNodeGetFreeMemory	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)<br />
</pre><p>provides the free memory available on the Node</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the available free memory in kilobytes or 0 in case of error</td></tr></tbody></table></div><h3><a name="virNodeGetInfo" id="virNodeGetInfo"><code>virNodeGetInfo</code></a></h3><pre class="programlisting">int	virNodeGetInfo			(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />					 <a href="libvirt-libvirt.html#virNodeInfoPtr">virNodeInfoPtr</a> info)<br />
</pre><p>Extract hardware information about the node.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>info</tt></i>:</span></td><td>pointer to a <a href="libvirt-libvirt.html#virNodeInfo">virNodeInfo</a> structure allocated by the user</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virStoragePoolBuild" id="virStoragePoolBuild"><code>virStoragePoolBuild</code></a></h3><pre class="programlisting">int	virStoragePoolBuild		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 unsigned int flags)<br />
</pre><p>Build the underlying storage pool</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>future flags, use 0 for now</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success, or -1 upon failure</td></tr></tbody></table></div><h3><a name="virStoragePoolCreate" id="virStoragePoolCreate"><code>virStoragePoolCreate</code></a></h3><pre class="programlisting">int	virStoragePoolCreate		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 unsigned int flags)<br />
</pre><p>Starts an inactive storage pool</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>future flags, use 0 for now</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success, or -1 if it could not be started</td></tr></tbody></table></div><h3><a name="virStoragePoolCreateXML" id="virStoragePoolCreateXML"><code>virStoragePoolCreateXML</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a>	virStoragePoolCreateXML	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />						 const char * xmlDesc, <br />						 unsigned int flags)<br />
</pre><p>Create a new storage based on its XML description. The pool is not persistent, so its definition will disappear when it is destroyed, or if the host is restarted</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to hypervisor connection</td></tr><tr><td><span class="term"><i><tt>xmlDesc</tt></i>:</span></td><td>XML description for new pool</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>future flags, use 0 for now</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a <a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> object, or NULL if creation failed</td></tr></tbody></table></div><h3><a name="virStoragePoolDefineXML" id="virStoragePoolDefineXML"><code>virStoragePoolDefineXML</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a>	virStoragePoolDefineXML	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />						 const char * xml, <br />						 unsigned int flags)<br />
</pre><p>Define a new inactive storage pool based on its XML description. The pool is persistent, until explicitly undefined.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to hypervisor connection</td></tr><tr><td><span class="term"><i><tt>xml</tt></i>:</span></td><td>XML description for new pool</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>future flags, use 0 for now</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a <a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> object, or NULL if creation failed</td></tr></tbody></table></div><h3><a name="virStoragePoolDelete" id="virStoragePoolDelete"><code>virStoragePoolDelete</code></a></h3><pre class="programlisting">int	virStoragePoolDelete		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 unsigned int flags)<br />
</pre><p>Delete the underlying pool resources. This is a non-recoverable operation. The <a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> object itself is not free'd.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>flags for obliteration process</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success, or -1 if it could not be obliterate</td></tr></tbody></table></div><h3><a name="virStoragePoolDestroy" id="virStoragePoolDestroy"><code>virStoragePoolDestroy</code></a></h3><pre class="programlisting">int	virStoragePoolDestroy		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool)<br />
</pre><p>Destroy an active storage pool. This will deactivate the pool on the host, but keep any persistent config associated with it. If it has a persistent config it can later be restarted with virStoragePoolCreate(). This does not free the associated <a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> object.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success, or -1 if it could not be destroyed</td></tr></tbody></table></div><h3><a name="virStoragePoolFree" id="virStoragePoolFree"><code>virStoragePoolFree</code></a></h3><pre class="programlisting">int	virStoragePoolFree		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool)<br />
</pre><p>Free a storage pool object, releasing all memory associated with it. Does not change the state of the pool on the host.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success, or -1 if it could not be free'd.</td></tr></tbody></table></div><h3><a name="virStoragePoolGetAutostart" id="virStoragePoolGetAutostart"><code>virStoragePoolGetAutostart</code></a></h3><pre class="programlisting">int	virStoragePoolGetAutostart	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 int * autostart)<br />
</pre><p>Fetches the value of the autostart flag, which determines whether the pool is automatically started at boot time</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>autostart</tt></i>:</span></td><td>location in which to store autostart flag</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success, -1 on failure</td></tr></tbody></table></div><h3><a name="virStoragePoolGetConnect" id="virStoragePoolGetConnect"><code>virStoragePoolGetConnect</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a>	virStoragePoolGetConnect	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool)<br />
</pre><p>Provides the connection pointer associated with a storage pool. The reference counter on the connection is not increased by this call. WARNING: When writing libvirt bindings in other languages, do not use this function. Instead, store the connection and the pool object together.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to a pool</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the <a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> or NULL in case of failure.</td></tr></tbody></table></div><h3><a name="virStoragePoolGetInfo" id="virStoragePoolGetInfo"><code>virStoragePoolGetInfo</code></a></h3><pre class="programlisting">int	virStoragePoolGetInfo		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 <a href="libvirt-libvirt.html#virStoragePoolInfoPtr">virStoragePoolInfoPtr</a> info)<br />
</pre><p>Get volatile information about the storage pool such as free space / usage summary</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>info</tt></i>:</span></td><td>pointer at which to store info</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success, or -1 on failure.</td></tr></tbody></table></div><h3><a name="virStoragePoolGetName" id="virStoragePoolGetName"><code>virStoragePoolGetName</code></a></h3><pre class="programlisting">const char *	virStoragePoolGetName	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool)<br />
</pre><p>Fetch the locally unique name of the storage pool</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the name of the pool, or NULL on error</td></tr></tbody></table></div><h3><a name="virStoragePoolGetUUID" id="virStoragePoolGetUUID"><code>virStoragePoolGetUUID</code></a></h3><pre class="programlisting">int	virStoragePoolGetUUID		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 unsigned char * uuid)<br />
</pre><p>Fetch the globally unique ID of the storage pool</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>uuid</tt></i>:</span></td><td>buffer of <a href="libvirt-libvirt.html#VIR_UUID_BUFLEN">VIR_UUID_BUFLEN</a> bytes in size</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success, or -1 on error;</td></tr></tbody></table></div><h3><a name="virStoragePoolGetUUIDString" id="virStoragePoolGetUUIDString"><code>virStoragePoolGetUUIDString</code></a></h3><pre class="programlisting">int	virStoragePoolGetUUIDString	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 char * buf)<br />
</pre><p>Fetch the globally unique ID of the storage pool as a string</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>buf</tt></i>:</span></td><td>buffer of <a href="libvirt-libvirt.html#VIR_UUID_STRING_BUFLEN">VIR_UUID_STRING_BUFLEN</a> bytes in size</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success, or -1 on error;</td></tr></tbody></table></div><h3><a name="virStoragePoolGetXMLDesc" id="virStoragePoolGetXMLDesc"><code>virStoragePoolGetXMLDesc</code></a></h3><pre class="programlisting">char *	virStoragePoolGetXMLDesc	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 unsigned int flags)<br />
</pre><p>Fetch an XML document describing all aspects of the storage pool. This is suitable for later feeding back into the <a href="libvirt-libvirt.html#virStoragePoolCreateXML">virStoragePoolCreateXML</a> method.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>flags for XML format options (set of virDomainXMLFlags)</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a XML document, or NULL on error</td></tr></tbody></table></div><h3><a name="virStoragePoolListVolumes" id="virStoragePoolListVolumes"><code>virStoragePoolListVolumes</code></a></h3><pre class="programlisting">int	virStoragePoolListVolumes	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 char ** const names, <br />					 int maxnames)<br />
</pre><p>Fetch list of storage volume names, limiting to at most maxnames.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>names</tt></i>:</span></td><td>array in which to storage volume names</td></tr><tr><td><span class="term"><i><tt>maxnames</tt></i>:</span></td><td>size of names array</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of names fetched, or -1 on error</td></tr></tbody></table></div><h3><a name="virStoragePoolLookupByName" id="virStoragePoolLookupByName"><code>virStoragePoolLookupByName</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a>	virStoragePoolLookupByName	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />							 const char * name)<br />
</pre><p>Fetch a storage pool based on its unique name</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to hypervisor connection</td></tr><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>name of pool to fetch</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a <a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> object, or NULL if no matching pool is found</td></tr></tbody></table></div><h3><a name="virStoragePoolLookupByUUID" id="virStoragePoolLookupByUUID"><code>virStoragePoolLookupByUUID</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a>	virStoragePoolLookupByUUID	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />							 const unsigned char * uuid)<br />
</pre><p>Fetch a storage pool based on its globally unique id</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to hypervisor connection</td></tr><tr><td><span class="term"><i><tt>uuid</tt></i>:</span></td><td>globally unique id of pool to fetch</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a <a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> object, or NULL if no matching pool is found</td></tr></tbody></table></div><h3><a name="virStoragePoolLookupByUUIDString" id="virStoragePoolLookupByUUIDString"><code>virStoragePoolLookupByUUIDString</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a>	virStoragePoolLookupByUUIDString	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />							 const char * uuidstr)<br />
</pre><p>Fetch a storage pool based on its globally unique id</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to hypervisor connection</td></tr><tr><td><span class="term"><i><tt>uuidstr</tt></i>:</span></td><td>globally unique id of pool to fetch</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a <a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> object, or NULL if no matching pool is found</td></tr></tbody></table></div><h3><a name="virStoragePoolLookupByVolume" id="virStoragePoolLookupByVolume"><code>virStoragePoolLookupByVolume</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a>	virStoragePoolLookupByVolume	(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol)<br />
</pre><p>Fetch a storage pool which contains a particular volume</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>vol</tt></i>:</span></td><td>pointer to storage volume</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a <a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> object, or NULL if no matching pool is found</td></tr></tbody></table></div><h3><a name="virStoragePoolNumOfVolumes" id="virStoragePoolNumOfVolumes"><code>virStoragePoolNumOfVolumes</code></a></h3><pre class="programlisting">int	virStoragePoolNumOfVolumes	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool)<br />
</pre><p>Fetch the number of storage volumes within a pool</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of storage pools, or -1 on failure</td></tr></tbody></table></div><h3><a name="virStoragePoolRefresh" id="virStoragePoolRefresh"><code>virStoragePoolRefresh</code></a></h3><pre class="programlisting">int	virStoragePoolRefresh		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 unsigned int flags)<br />
</pre><p>Request that the pool refresh its list of volumes. This may involve communicating with a remote server, and/or initializing new devices at the OS layer</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>flags to control refresh behaviour (currently unused, use 0)</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 if the volume list was refreshed, -1 on failure</td></tr></tbody></table></div><h3><a name="virStoragePoolSetAutostart" id="virStoragePoolSetAutostart"><code>virStoragePoolSetAutostart</code></a></h3><pre class="programlisting">int	virStoragePoolSetAutostart	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />					 int autostart)<br />
</pre><p>Sets the autostart flag</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>autostart</tt></i>:</span></td><td>new flag setting</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success, -1 on failure</td></tr></tbody></table></div><h3><a name="virStoragePoolUndefine" id="virStoragePoolUndefine"><code>virStoragePoolUndefine</code></a></h3><pre class="programlisting">int	virStoragePoolUndefine		(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool)<br />
</pre><p>Undefine an inactive storage pool</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a <a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> object, or NULL if creation failed</td></tr></tbody></table></div><h3><a name="virStorageVolCreateXML" id="virStorageVolCreateXML"><code>virStorageVolCreateXML</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a>	virStorageVolCreateXML	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />						 const char * xmldesc, <br />						 unsigned int flags)<br />
</pre><p>Create a storage volume within a pool based on an XML description. Not all pools support creation of volumes</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>xmldesc</tt></i>:</span></td><td>description of volume to create</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>flags for creation (unused, pass 0)</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the storage volume, or NULL on error</td></tr></tbody></table></div><h3><a name="virStorageVolDelete" id="virStorageVolDelete"><code>virStorageVolDelete</code></a></h3><pre class="programlisting">int	virStorageVolDelete		(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol, <br />					 unsigned int flags)<br />
</pre><p>Delete the storage volume from the pool</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>vol</tt></i>:</span></td><td>pointer to storage volume</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>future flags, use 0 for now</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success, or -1 on error</td></tr></tbody></table></div><h3><a name="virStorageVolFree" id="virStorageVolFree"><code>virStorageVolFree</code></a></h3><pre class="programlisting">int	virStorageVolFree		(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol)<br />
</pre><p>Release the storage volume handle. The underlying storage volume contains to exist</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>vol</tt></i>:</span></td><td>pointer to storage volume</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success, or -1 on error</td></tr></tbody></table></div><h3><a name="virStorageVolGetConnect" id="virStorageVolGetConnect"><code>virStorageVolGetConnect</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a>	virStorageVolGetConnect	(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol)<br />
</pre><p>Provides the connection pointer associated with a storage volume. The reference counter on the connection is not increased by this call. WARNING: When writing libvirt bindings in other languages, do not use this function. Instead, store the connection and the volume object together.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>vol</tt></i>:</span></td><td>pointer to a pool</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the <a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> or NULL in case of failure.</td></tr></tbody></table></div><h3><a name="virStorageVolGetInfo" id="virStorageVolGetInfo"><code>virStorageVolGetInfo</code></a></h3><pre class="programlisting">int	virStorageVolGetInfo		(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol, <br />					 <a href="libvirt-libvirt.html#virStorageVolInfoPtr">virStorageVolInfoPtr</a> info)<br />
</pre><p>Fetches volatile information about the storage volume such as its current allocation</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>vol</tt></i>:</span></td><td>pointer to storage volume</td></tr><tr><td><span class="term"><i><tt>info</tt></i>:</span></td><td>pointer at which to store info</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success, or -1 on failure</td></tr></tbody></table></div><h3><a name="virStorageVolGetKey" id="virStorageVolGetKey"><code>virStorageVolGetKey</code></a></h3><pre class="programlisting">const char *	virStorageVolGetKey	(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol)<br />
</pre><p>Fetch the storage volume key. This is globally unique, so the same volume will have the same key no matter what host it is accessed from</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>vol</tt></i>:</span></td><td>pointer to storage volume</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the volume key, or NULL on error</td></tr></tbody></table></div><h3><a name="virStorageVolGetName" id="virStorageVolGetName"><code>virStorageVolGetName</code></a></h3><pre class="programlisting">const char *	virStorageVolGetName	(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol)<br />
</pre><p>Fetch the storage volume name. This is unique within the scope of a pool</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>vol</tt></i>:</span></td><td>pointer to storage volume</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the volume name, or NULL on error</td></tr></tbody></table></div><h3><a name="virStorageVolGetPath" id="virStorageVolGetPath"><code>virStorageVolGetPath</code></a></h3><pre class="programlisting">char *	virStorageVolGetPath		(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol)<br />
</pre><p>Fetch the storage volume path. Depending on the pool configuration this is either persistent across hosts, or dynamically assigned at pool startup. Consult pool documentation for information on getting the persistent naming</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>vol</tt></i>:</span></td><td>pointer to storage volume</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the storage volume path, or NULL on error</td></tr></tbody></table></div><h3><a name="virStorageVolGetXMLDesc" id="virStorageVolGetXMLDesc"><code>virStorageVolGetXMLDesc</code></a></h3><pre class="programlisting">char *	virStorageVolGetXMLDesc		(<a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a> vol, <br />					 unsigned int flags)<br />
</pre><p>Fetch an XML document describing all aspects of the storage volume</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>vol</tt></i>:</span></td><td>pointer to storage volume</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>flags for XML generation (unused, pass 0)</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the XML document, or NULL on error</td></tr></tbody></table></div><h3><a name="virStorageVolLookupByKey" id="virStorageVolLookupByKey"><code>virStorageVolLookupByKey</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a>	virStorageVolLookupByKey	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />							 const char * key)<br />
</pre><p>Fetch a pointer to a storage volume based on its globally unique key</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to hypervisor connection</td></tr><tr><td><span class="term"><i><tt>key</tt></i>:</span></td><td>globally unique key</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a storage volume, or NULL if not found / error</td></tr></tbody></table></div><h3><a name="virStorageVolLookupByName" id="virStorageVolLookupByName"><code>virStorageVolLookupByName</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a>	virStorageVolLookupByName	(<a href="libvirt-libvirt.html#virStoragePoolPtr">virStoragePoolPtr</a> pool, <br />							 const char * name)<br />
</pre><p>Fetch a pointer to a storage volume based on its name within a pool</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pool</tt></i>:</span></td><td>pointer to storage pool</td></tr><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>name of storage volume</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a storage volume, or NULL if not found / error</td></tr></tbody></table></div><h3><a name="virStorageVolLookupByPath" id="virStorageVolLookupByPath"><code>virStorageVolLookupByPath</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virStorageVolPtr">virStorageVolPtr</a>	virStorageVolLookupByPath	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />							 const char * path)<br />
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</pre><p>Fetch a pointer to a storage volume based on its locally (host) unique path</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to hypervisor connection</td></tr><tr><td><span class="term"><i><tt>path</tt></i>:</span></td><td>locally unique path</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a storage volume, or NULL if not found / error</td></tr></tbody></table></div></div></div><div id="footer"><p id="sponsor">
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