libvirt.h

loadtest是根据数学上的均匀分布随机的生成CPU利用率的负载要求

        memcpy(cpumap, &(cpumaps[(vcpu)*(maplen)]), (maplen))


/**
 * VIR_GET_CPUMAP:
 * @cpumaps: pointer to an array of cpumap (in 8-bit bytes) (IN)
 * @maplen: the length (in bytes) of one cpumap
 * @vcpu: the virtual CPU number
 *
 * This macro is to be used in conjunction with virDomainGetVcpus() and
 * virDomainPinVcpu() APIs. VIR_GET_CPUMAP macro returns a pointer to the
 * cpumap of the specified vcpu from cpumaps array.
 */
#define VIR_GET_CPUMAP(cpumaps,maplen,vcpu)     &(cpumaps[(vcpu)*(maplen)])

int virDomainAttachDevice(virDomainPtr domain, const char *xml);
int virDomainDetachDevice(virDomainPtr domain, const char *xml);

/*
 * NUMA support
 */

int                      virNodeGetCellsFreeMemory(virConnectPtr conn,
                                                   unsigned long long *freeMems,
                                                   int startCell,
                                                   int maxCells);

/*
 * Virtual Networks API
 */

/**
 * virNetwork:
 *
 * a virNetwork is a private structure representing a virtual network.
 */
typedef struct _virNetwork virNetwork;

/**
 * virNetworkPtr:
 *
 * a virNetworkPtr is pointer to a virNetwork private structure, this is the
 * type used to reference a virtual network in the API.
 */
typedef virNetwork *virNetworkPtr;

/*
 * Get connection from network.
 */
virConnectPtr           virNetworkGetConnect    (virNetworkPtr network);

/*
 * List active networks
 */
int                     virConnectNumOfNetworks (virConnectPtr conn);
int                     virConnectListNetworks  (virConnectPtr conn,
                                                 char **const names,
                                                 int maxnames);

/*
 * List inactive networks
 */
int                     virConnectNumOfDefinedNetworks  (virConnectPtr conn);
int                     virConnectListDefinedNetworks   (virConnectPtr conn,
                                                         char **const names,
                                                         int maxnames);

/*
 * Lookup network by name or uuid
 */
virNetworkPtr           virNetworkLookupByName          (virConnectPtr conn,
                                                         const char *name);
virNetworkPtr           virNetworkLookupByUUID          (virConnectPtr conn,
                                                         const unsigned char *uuid);
virNetworkPtr           virNetworkLookupByUUIDString    (virConnectPtr conn,
                                                         const char *uuid);

/*
 * Create active transient network
 */
virNetworkPtr           virNetworkCreateXML     (virConnectPtr conn,
                                                 const char *xmlDesc);

/*
 * Define inactive persistent network
 */
virNetworkPtr           virNetworkDefineXML     (virConnectPtr conn,
                                                 const char *xmlDesc);

/*
 * Delete persistent network
 */
int                     virNetworkUndefine      (virNetworkPtr network);

/*
 * Activate persistent network
 */
int                     virNetworkCreate        (virNetworkPtr network);

/*
 * Network destroy/free
 */
int                     virNetworkDestroy       (virNetworkPtr network);
int                     virNetworkFree          (virNetworkPtr network);

/*
 * Network information
 */
const char*             virNetworkGetName       (virNetworkPtr network);
int                     virNetworkGetUUID       (virNetworkPtr network,
                                                 unsigned char *uuid);
int                     virNetworkGetUUIDString (virNetworkPtr network,
                                                 char *buf);
char *                  virNetworkGetXMLDesc    (virNetworkPtr network,
                                                 int flags);
char *                  virNetworkGetBridgeName (virNetworkPtr network);

int                     virNetworkGetAutostart  (virNetworkPtr network,
                                                 int *autostart);
int                     virNetworkSetAutostart  (virNetworkPtr network,
                                                 int autostart);


/**
 * virStoragePool:
 *
 * a virStoragePool is a private structure representing a storage pool
 */
typedef struct _virStoragePool virStoragePool;

/**
 * virStoragePoolPtr:
 *
 * a virStoragePoolPtr is pointer to a virStoragePool private structure, this is the
 * type used to reference a storage pool in the API.
 */
typedef virStoragePool *virStoragePoolPtr;


typedef enum {
  VIR_STORAGE_POOL_INACTIVE = 0, /* Not running */
  VIR_STORAGE_POOL_BUILDING = 1, /* Initializing pool, not available */
  VIR_STORAGE_POOL_RUNNING = 2,  /* Running normally */
  VIR_STORAGE_POOL_DEGRADED = 3, /* Running degraded */
} virStoragePoolState;


typedef enum {
  VIR_STORAGE_POOL_BUILD_NEW  = 0,   /* Regular build from scratch */
  VIR_STORAGE_POOL_BUILD_REPAIR = 1, /* Repair / reinitialize */
  VIR_STORAGE_POOL_BUILD_RESIZE = 2  /* Extend existing pool */
} virStoragePoolBuildFlags;

typedef enum {
  VIR_STORAGE_POOL_DELETE_NORMAL = 0, /* Delete metadata only    (fast) */
  VIR_STORAGE_POOL_DELETE_ZEROED = 1,  /* Clear all data to zeros (slow) */
} virStoragePoolDeleteFlags;

typedef struct _virStoragePoolInfo virStoragePoolInfo;

struct _virStoragePoolInfo {
  int state;                     /* virStoragePoolState flags */
  unsigned long long capacity;   /* Logical size bytes */
  unsigned long long allocation; /* Current allocation bytes */
  unsigned long long available;  /* Remaining free space bytes */
};

typedef virStoragePoolInfo *virStoragePoolInfoPtr;


/**
 * virStorageVol:
 *
 * a virStorageVol is a private structure representing a storage volume
 */
typedef struct _virStorageVol virStorageVol;

/**
 * virStorageVolPtr:
 *
 * a virStorageVolPtr is pointer to a virStorageVol private structure, this is the
 * type used to reference a storage volume in the API.
 */
typedef virStorageVol *virStorageVolPtr;


typedef enum {
  VIR_STORAGE_VOL_FILE = 0,     /* Regular file based volumes */
  VIR_STORAGE_VOL_BLOCK = 1,    /* Block based volumes */
} virStorageVolType;

typedef enum {
  VIR_STORAGE_VOL_DELETE_NORMAL = 0, /* Delete metadata only    (fast) */
  VIR_STORAGE_VOL_DELETE_ZEROED = 1,  /* Clear all data to zeros (slow) */
} virStorageVolDeleteFlags;

typedef struct _virStorageVolInfo virStorageVolInfo;

struct _virStorageVolInfo {
  int type;                      /* virStorageVolType flags */
  unsigned long long capacity;   /* Logical size bytes */
  unsigned long long allocation; /* Current allocation bytes */
};

typedef virStorageVolInfo *virStorageVolInfoPtr;

/*
 * Get connection from pool.
 */
virConnectPtr           virStoragePoolGetConnect        (virStoragePoolPtr pool);

/*
 * List active storage pools
 */
int                     virConnectNumOfStoragePools     (virConnectPtr conn);
int                     virConnectListStoragePools      (virConnectPtr conn,
                                                         char **const names,
                                                         int maxnames);

/*
 * List inactive storage pools
 */
int                     virConnectNumOfDefinedStoragePools(virConnectPtr conn);
int                     virConnectListDefinedStoragePools(virConnectPtr conn,
                                                          char **const names,
                                                          int maxnames);

/*
 * Query a host for storage pools of a particular type
 */
char *                  virConnectFindStoragePoolSources(virConnectPtr conn,
                                                         const char *type,
                                                         const char *srcSpec,
                                                         unsigned int flags);

/*
 * Lookup pool by name or uuid
 */
virStoragePoolPtr       virStoragePoolLookupByName      (virConnectPtr conn,
                                                         const char *name);
virStoragePoolPtr       virStoragePoolLookupByUUID      (virConnectPtr conn,
                                                         const unsigned char *uuid);
virStoragePoolPtr       virStoragePoolLookupByUUIDString(virConnectPtr conn,
                                                         const char *uuid);
virStoragePoolPtr       virStoragePoolLookupByVolume    (virStorageVolPtr vol);

/*
 * Creating/destroying pools
 */
virStoragePoolPtr       virStoragePoolCreateXML         (virConnectPtr conn,
                                                         const char *xmlDesc,
                                                         unsigned int flags);
virStoragePoolPtr       virStoragePoolDefineXML         (virConnectPtr conn,
                                                         const char *xmlDesc,
                                                         unsigned int flags);
int                     virStoragePoolBuild             (virStoragePoolPtr pool,
                                                         unsigned int flags);
int                     virStoragePoolUndefine          (virStoragePoolPtr pool);
int                     virStoragePoolCreate            (virStoragePoolPtr pool,
                                                         unsigned int flags);
int                     virStoragePoolDestroy           (virStoragePoolPtr pool);
int                     virStoragePoolDelete            (virStoragePoolPtr pool,
                                                         unsigned int flags);
int                     virStoragePoolFree              (virStoragePoolPtr pool);
int                     virStoragePoolRefresh           (virStoragePoolPtr pool,
                                                         unsigned int flags);

/*
 * StoragePool information
 */
const char*             virStoragePoolGetName           (virStoragePoolPtr pool);
int                     virStoragePoolGetUUID           (virStoragePoolPtr pool,
                                                         unsigned char *uuid);
int                     virStoragePoolGetUUIDString     (virStoragePoolPtr pool,
                                                         char *buf);

int                     virStoragePoolGetInfo           (virStoragePoolPtr vol,
                                                         virStoragePoolInfoPtr info);

char *                  virStoragePoolGetXMLDesc        (virStoragePoolPtr pool,
                                                         unsigned int flags);

int                     virStoragePoolGetAutostart      (virStoragePoolPtr pool,
                                                         int *autostart);
int                     virStoragePoolSetAutostart      (virStoragePoolPtr pool,
                                                         int autostart);

/*
 * List/lookup storage volumes within a pool
 */
int                     virStoragePoolNumOfVolumes      (virStoragePoolPtr pool);
int                     virStoragePoolListVolumes       (virStoragePoolPtr pool,
                                                         char **const names,
                                                         int maxnames);

virConnectPtr           virStorageVolGetConnect         (virStorageVolPtr vol);

/*
 * Lookup volumes based on various attributes
 */
virStorageVolPtr        virStorageVolLookupByName       (virStoragePoolPtr pool,
                                                         const char *name);
virStorageVolPtr        virStorageVolLookupByKey        (virConnectPtr conn,
                                                         const char *key);
virStorageVolPtr        virStorageVolLookupByPath       (virConnectPtr conn,
                                                         const char *path);


const char*             virStorageVolGetName            (virStorageVolPtr vol);
const char*             virStorageVolGetKey             (virStorageVolPtr vol);

virStorageVolPtr        virStorageVolCreateXML          (virStoragePoolPtr pool,
                                                         const char *xmldesc,
                                                         unsigned int flags);
int                     virStorageVolDelete             (virStorageVolPtr vol,
                                                         unsigned int flags);
int                     virStorageVolFree               (virStorageVolPtr vol);

int                     virStorageVolGetInfo            (virStorageVolPtr vol,
                                                         virStorageVolInfoPtr info);
char *                  virStorageVolGetXMLDesc         (virStorageVolPtr pool,
                                                         unsigned int flags);

char *                  virStorageVolGetPath            (virStorageVolPtr vol);

#ifdef __cplusplus
}
#endif

#endif /* __VIR_VIRLIB_H__ */