mirror of
https://gitlab.com/libvirt/libvirt.git
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3efdffc450
Add pool list type flag VIR_CONNECT_LIST_STORAGE_POOLS_ISCSI_DIRECT,
which was forgotten when introducing iscsi-direct pool at f0bf1be3.
https://bugzilla.redhat.com/show_bug.cgi?id=1726609
Signed-off-by: Han Han <hhan@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
504 lines
22 KiB
C
504 lines
22 KiB
C
/*
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* libvirt-storage.h
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* Summary: APIs for management of storage pools and volumes
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* Description: Provides APIs for the management of storage pools and volumes
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*
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* Copyright (C) 2006-2016 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBVIRT_STORAGE_H
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# define LIBVIRT_STORAGE_H
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# ifndef __VIR_LIBVIRT_H_INCLUDES__
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# error "Don't include this file directly, only use libvirt/libvirt.h"
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# endif
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/**
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* virStoragePool:
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*
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* a virStoragePool is a private structure representing a storage pool
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*/
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typedef struct _virStoragePool virStoragePool;
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/**
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* virStoragePoolPtr:
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*
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* a virStoragePoolPtr is pointer to a virStoragePool private structure, this is the
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* type used to reference a storage pool in the API.
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*/
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typedef virStoragePool *virStoragePoolPtr;
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typedef enum {
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VIR_STORAGE_POOL_INACTIVE = 0, /* Not running */
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VIR_STORAGE_POOL_BUILDING = 1, /* Initializing pool, not available */
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VIR_STORAGE_POOL_RUNNING = 2, /* Running normally */
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VIR_STORAGE_POOL_DEGRADED = 3, /* Running degraded */
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VIR_STORAGE_POOL_INACCESSIBLE = 4, /* Running, but not accessible */
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# ifdef VIR_ENUM_SENTINELS
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VIR_STORAGE_POOL_STATE_LAST
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# endif
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} virStoragePoolState;
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typedef enum {
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VIR_STORAGE_POOL_BUILD_NEW = 0, /* Regular build from scratch */
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VIR_STORAGE_POOL_BUILD_REPAIR = (1 << 0), /* Repair / reinitialize */
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VIR_STORAGE_POOL_BUILD_RESIZE = (1 << 1), /* Extend existing pool */
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VIR_STORAGE_POOL_BUILD_NO_OVERWRITE = (1 << 2), /* Do not overwrite existing pool */
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VIR_STORAGE_POOL_BUILD_OVERWRITE = (1 << 3), /* Overwrite data */
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} virStoragePoolBuildFlags;
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typedef enum {
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VIR_STORAGE_POOL_DELETE_NORMAL = 0, /* Delete metadata only (fast) */
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VIR_STORAGE_POOL_DELETE_ZEROED = 1 << 0, /* Clear all data to zeros (slow) */
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} virStoragePoolDeleteFlags;
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typedef enum {
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VIR_STORAGE_POOL_CREATE_NORMAL = 0,
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/* Create the pool and perform pool build without any flags */
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VIR_STORAGE_POOL_CREATE_WITH_BUILD = 1 << 0,
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/* Create the pool and perform pool build using the
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* VIR_STORAGE_POOL_BUILD_OVERWRITE flag. This is mutually
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* exclusive to VIR_STORAGE_POOL_CREATE_WITH_BUILD_NO_OVERWRITE */
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VIR_STORAGE_POOL_CREATE_WITH_BUILD_OVERWRITE = 1 << 1,
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/* Create the pool and perform pool build using the
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* VIR_STORAGE_POOL_BUILD_NO_OVERWRITE flag. This is mutually
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* exclusive to VIR_STORAGE_POOL_CREATE_WITH_BUILD_OVERWRITE */
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VIR_STORAGE_POOL_CREATE_WITH_BUILD_NO_OVERWRITE = 1 << 2,
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} virStoragePoolCreateFlags;
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typedef struct _virStoragePoolInfo virStoragePoolInfo;
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struct _virStoragePoolInfo {
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int state; /* virStoragePoolState flags */
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unsigned long long capacity; /* Logical size bytes */
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unsigned long long allocation; /* Current allocation bytes */
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unsigned long long available; /* Remaining free space bytes */
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};
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typedef virStoragePoolInfo *virStoragePoolInfoPtr;
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/**
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* virStorageVol:
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*
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* a virStorageVol is a private structure representing a storage volume
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*/
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typedef struct _virStorageVol virStorageVol;
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/**
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* virStorageVolPtr:
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*
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* a virStorageVolPtr is pointer to a virStorageVol private structure, this is the
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* type used to reference a storage volume in the API.
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*/
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typedef virStorageVol *virStorageVolPtr;
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typedef enum {
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VIR_STORAGE_VOL_FILE = 0, /* Regular file based volumes */
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VIR_STORAGE_VOL_BLOCK = 1, /* Block based volumes */
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VIR_STORAGE_VOL_DIR = 2, /* Directory-passthrough based volume */
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VIR_STORAGE_VOL_NETWORK = 3, /* Network volumes like RBD (RADOS Block Device) */
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VIR_STORAGE_VOL_NETDIR = 4, /* Network accessible directory that can
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* contain other network volumes */
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VIR_STORAGE_VOL_PLOOP = 5, /* Ploop based volumes */
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# ifdef VIR_ENUM_SENTINELS
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VIR_STORAGE_VOL_LAST
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# endif
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} virStorageVolType;
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typedef enum {
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VIR_STORAGE_VOL_DELETE_NORMAL = 0, /* Delete metadata only (fast) */
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VIR_STORAGE_VOL_DELETE_ZEROED = 1 << 0, /* Clear all data to zeros (slow) */
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VIR_STORAGE_VOL_DELETE_WITH_SNAPSHOTS = 1 << 1, /* Force removal of volume, even if in use */
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} virStorageVolDeleteFlags;
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typedef enum {
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VIR_STORAGE_VOL_WIPE_ALG_ZERO = 0, /* 1-pass, all zeroes */
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VIR_STORAGE_VOL_WIPE_ALG_NNSA = 1, /* 4-pass NNSA Policy Letter
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NAP-14.1-C (XVI-8) */
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VIR_STORAGE_VOL_WIPE_ALG_DOD = 2, /* 4-pass DoD 5220.22-M section
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8-306 procedure */
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VIR_STORAGE_VOL_WIPE_ALG_BSI = 3, /* 9-pass method recommended by the
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German Center of Security in
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Information Technologies */
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VIR_STORAGE_VOL_WIPE_ALG_GUTMANN = 4, /* The canonical 35-pass sequence */
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VIR_STORAGE_VOL_WIPE_ALG_SCHNEIER = 5, /* 7-pass method described by
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Bruce Schneier in "Applied
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Cryptography" (1996) */
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VIR_STORAGE_VOL_WIPE_ALG_PFITZNER7 = 6, /* 7-pass random */
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VIR_STORAGE_VOL_WIPE_ALG_PFITZNER33 = 7, /* 33-pass random */
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VIR_STORAGE_VOL_WIPE_ALG_RANDOM = 8, /* 1-pass random */
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VIR_STORAGE_VOL_WIPE_ALG_TRIM = 9, /* 1-pass, trim all data on the
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volume by using TRIM or DISCARD */
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# ifdef VIR_ENUM_SENTINELS
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VIR_STORAGE_VOL_WIPE_ALG_LAST
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/*
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* NB: this enum value will increase over time as new algorithms are
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* added to the libvirt API. It reflects the last algorithm supported
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* by this version of the libvirt API.
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*/
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# endif
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} virStorageVolWipeAlgorithm;
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typedef enum {
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VIR_STORAGE_VOL_USE_ALLOCATION = 0,
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/* Return the physical size in allocation */
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VIR_STORAGE_VOL_GET_PHYSICAL = 1 << 0,
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} virStorageVolInfoFlags;
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typedef struct _virStorageVolInfo virStorageVolInfo;
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struct _virStorageVolInfo {
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int type; /* virStorageVolType flags */
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unsigned long long capacity; /* Logical size bytes */
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unsigned long long allocation; /* Current allocation bytes */
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};
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typedef virStorageVolInfo *virStorageVolInfoPtr;
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typedef enum {
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VIR_STORAGE_XML_INACTIVE = (1 << 0), /* dump inactive pool/volume information */
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} virStorageXMLFlags;
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/*
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* Get connection from pool.
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*/
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virConnectPtr virStoragePoolGetConnect (virStoragePoolPtr pool);
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/* Storage Pool capabilities */
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char *virConnectGetStoragePoolCapabilities(virConnectPtr conn,
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unsigned int flags);
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/*
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* List active storage pools
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*/
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int virConnectNumOfStoragePools (virConnectPtr conn);
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int virConnectListStoragePools (virConnectPtr conn,
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char **const names,
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int maxnames);
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/*
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* List inactive storage pools
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*/
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int virConnectNumOfDefinedStoragePools(virConnectPtr conn);
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int virConnectListDefinedStoragePools(virConnectPtr conn,
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char **const names,
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int maxnames);
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/*
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* virConnectListAllStoragePoolsFlags:
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*
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* Flags used to tune pools returned by virConnectListAllStoragePools().
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* Note that these flags come in groups; if all bits from a group are 0,
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* then that group is not used to filter results.
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*/
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typedef enum {
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VIR_CONNECT_LIST_STORAGE_POOLS_INACTIVE = 1 << 0,
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VIR_CONNECT_LIST_STORAGE_POOLS_ACTIVE = 1 << 1,
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VIR_CONNECT_LIST_STORAGE_POOLS_PERSISTENT = 1 << 2,
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VIR_CONNECT_LIST_STORAGE_POOLS_TRANSIENT = 1 << 3,
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VIR_CONNECT_LIST_STORAGE_POOLS_AUTOSTART = 1 << 4,
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VIR_CONNECT_LIST_STORAGE_POOLS_NO_AUTOSTART = 1 << 5,
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/* List pools by type */
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VIR_CONNECT_LIST_STORAGE_POOLS_DIR = 1 << 6,
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VIR_CONNECT_LIST_STORAGE_POOLS_FS = 1 << 7,
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VIR_CONNECT_LIST_STORAGE_POOLS_NETFS = 1 << 8,
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VIR_CONNECT_LIST_STORAGE_POOLS_LOGICAL = 1 << 9,
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VIR_CONNECT_LIST_STORAGE_POOLS_DISK = 1 << 10,
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VIR_CONNECT_LIST_STORAGE_POOLS_ISCSI = 1 << 11,
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VIR_CONNECT_LIST_STORAGE_POOLS_SCSI = 1 << 12,
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VIR_CONNECT_LIST_STORAGE_POOLS_MPATH = 1 << 13,
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VIR_CONNECT_LIST_STORAGE_POOLS_RBD = 1 << 14,
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VIR_CONNECT_LIST_STORAGE_POOLS_SHEEPDOG = 1 << 15,
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VIR_CONNECT_LIST_STORAGE_POOLS_GLUSTER = 1 << 16,
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VIR_CONNECT_LIST_STORAGE_POOLS_ZFS = 1 << 17,
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VIR_CONNECT_LIST_STORAGE_POOLS_VSTORAGE = 1 << 18,
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VIR_CONNECT_LIST_STORAGE_POOLS_ISCSI_DIRECT = 1 << 19,
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} virConnectListAllStoragePoolsFlags;
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int virConnectListAllStoragePools(virConnectPtr conn,
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virStoragePoolPtr **pools,
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unsigned int flags);
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/*
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* Query a host for storage pools of a particular type
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*/
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char * virConnectFindStoragePoolSources(virConnectPtr conn,
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const char *type,
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const char *srcSpec,
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unsigned int flags);
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/*
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* Lookup pool by name or uuid
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*/
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virStoragePoolPtr virStoragePoolLookupByName (virConnectPtr conn,
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const char *name);
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virStoragePoolPtr virStoragePoolLookupByUUID (virConnectPtr conn,
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const unsigned char *uuid);
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virStoragePoolPtr virStoragePoolLookupByUUIDString(virConnectPtr conn,
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const char *uuid);
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virStoragePoolPtr virStoragePoolLookupByVolume (virStorageVolPtr vol);
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virStoragePoolPtr virStoragePoolLookupByTargetPath(virConnectPtr conn,
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const char *path);
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/*
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* Creating/destroying pools
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*/
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virStoragePoolPtr virStoragePoolCreateXML (virConnectPtr conn,
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const char *xmlDesc,
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unsigned int flags);
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virStoragePoolPtr virStoragePoolDefineXML (virConnectPtr conn,
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const char *xmlDesc,
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unsigned int flags);
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int virStoragePoolBuild (virStoragePoolPtr pool,
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unsigned int flags);
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int virStoragePoolUndefine (virStoragePoolPtr pool);
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int virStoragePoolCreate (virStoragePoolPtr pool,
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unsigned int flags);
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int virStoragePoolDestroy (virStoragePoolPtr pool);
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int virStoragePoolDelete (virStoragePoolPtr pool,
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unsigned int flags);
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int virStoragePoolRef (virStoragePoolPtr pool);
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int virStoragePoolFree (virStoragePoolPtr pool);
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int virStoragePoolRefresh (virStoragePoolPtr pool,
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unsigned int flags);
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/*
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* StoragePool information
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*/
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const char* virStoragePoolGetName (virStoragePoolPtr pool);
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int virStoragePoolGetUUID (virStoragePoolPtr pool,
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unsigned char *uuid);
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int virStoragePoolGetUUIDString (virStoragePoolPtr pool,
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char *buf);
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int virStoragePoolGetInfo (virStoragePoolPtr vol,
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virStoragePoolInfoPtr info);
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char * virStoragePoolGetXMLDesc (virStoragePoolPtr pool,
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unsigned int flags);
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int virStoragePoolGetAutostart (virStoragePoolPtr pool,
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int *autostart);
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int virStoragePoolSetAutostart (virStoragePoolPtr pool,
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int autostart);
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/*
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* List/lookup storage volumes within a pool
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*/
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int virStoragePoolNumOfVolumes (virStoragePoolPtr pool);
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int virStoragePoolListVolumes (virStoragePoolPtr pool,
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char **const names,
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int maxnames);
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int virStoragePoolListAllVolumes (virStoragePoolPtr pool,
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virStorageVolPtr **vols,
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unsigned int flags);
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virConnectPtr virStorageVolGetConnect (virStorageVolPtr vol);
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/*
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* Lookup volumes based on various attributes
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*/
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virStorageVolPtr virStorageVolLookupByName (virStoragePoolPtr pool,
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const char *name);
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virStorageVolPtr virStorageVolLookupByKey (virConnectPtr conn,
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const char *key);
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virStorageVolPtr virStorageVolLookupByPath (virConnectPtr conn,
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const char *path);
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const char* virStorageVolGetName (virStorageVolPtr vol);
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const char* virStorageVolGetKey (virStorageVolPtr vol);
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typedef enum {
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VIR_STORAGE_VOL_CREATE_PREALLOC_METADATA = 1 << 0,
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VIR_STORAGE_VOL_CREATE_REFLINK = 1 << 1, /* perform a btrfs lightweight copy */
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} virStorageVolCreateFlags;
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virStorageVolPtr virStorageVolCreateXML (virStoragePoolPtr pool,
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const char *xmldesc,
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unsigned int flags);
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virStorageVolPtr virStorageVolCreateXMLFrom (virStoragePoolPtr pool,
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const char *xmldesc,
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virStorageVolPtr clonevol,
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unsigned int flags);
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typedef enum {
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VIR_STORAGE_VOL_DOWNLOAD_SPARSE_STREAM = 1 << 0, /* Use sparse stream */
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} virStorageVolDownloadFlags;
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int virStorageVolDownload (virStorageVolPtr vol,
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virStreamPtr stream,
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unsigned long long offset,
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unsigned long long length,
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unsigned int flags);
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typedef enum {
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VIR_STORAGE_VOL_UPLOAD_SPARSE_STREAM = 1 << 0, /* Use sparse stream */
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} virStorageVolUploadFlags;
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int virStorageVolUpload (virStorageVolPtr vol,
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virStreamPtr stream,
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unsigned long long offset,
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unsigned long long length,
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unsigned int flags);
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int virStorageVolDelete (virStorageVolPtr vol,
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unsigned int flags);
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int virStorageVolWipe (virStorageVolPtr vol,
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unsigned int flags);
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int virStorageVolWipePattern (virStorageVolPtr vol,
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unsigned int algorithm,
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unsigned int flags);
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int virStorageVolRef (virStorageVolPtr vol);
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int virStorageVolFree (virStorageVolPtr vol);
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int virStorageVolGetInfo (virStorageVolPtr vol,
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virStorageVolInfoPtr info);
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int virStorageVolGetInfoFlags (virStorageVolPtr vol,
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virStorageVolInfoPtr info,
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unsigned int flags);
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char * virStorageVolGetXMLDesc (virStorageVolPtr pool,
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unsigned int flags);
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char * virStorageVolGetPath (virStorageVolPtr vol);
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typedef enum {
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VIR_STORAGE_VOL_RESIZE_ALLOCATE = 1 << 0, /* force allocation of new size */
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VIR_STORAGE_VOL_RESIZE_DELTA = 1 << 1, /* size is relative to current */
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VIR_STORAGE_VOL_RESIZE_SHRINK = 1 << 2, /* allow decrease in capacity */
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} virStorageVolResizeFlags;
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int virStorageVolResize (virStorageVolPtr vol,
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unsigned long long capacity,
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unsigned int flags);
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int virStoragePoolIsActive(virStoragePoolPtr pool);
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int virStoragePoolIsPersistent(virStoragePoolPtr pool);
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/**
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* VIR_STORAGE_POOL_EVENT_CALLBACK:
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*
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* Used to cast the event specific callback into the generic one
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* for use for virConnectStoragePoolEventRegisterAny()
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*/
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# define VIR_STORAGE_POOL_EVENT_CALLBACK(cb)((virConnectStoragePoolEventGenericCallback)(cb))
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/**
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* virStoragePoolEventID:
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*
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* An enumeration of supported eventId parameters for
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* virConnectStoragePoolEventRegisterAny(). Each event id determines which
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* signature of callback function will be used.
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*/
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typedef enum {
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VIR_STORAGE_POOL_EVENT_ID_LIFECYCLE = 0, /* virConnectStoragePoolEventLifecycleCallback */
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VIR_STORAGE_POOL_EVENT_ID_REFRESH = 1, /* virConnectStoragePoolEventGenericCallback */
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# ifdef VIR_ENUM_SENTINELS
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VIR_STORAGE_POOL_EVENT_ID_LAST
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/*
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* NB: this enum value will increase over time as new events are
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* added to the libvirt API. It reflects the last event ID supported
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* by this version of the libvirt API.
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*/
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# endif
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} virStoragePoolEventID;
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/**
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* virConnectStoragePoolEventGenericCallback:
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* @conn: the connection pointer
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* @pool: the pool pointer
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* @opaque: application specified data
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*
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* A generic storage pool event callback handler, for use with
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* virConnectStoragePoolEventRegisterAny(). Specific events usually
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* have a customization with extra parameters, often with @opaque being
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* passed in a different parameter position; use
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* VIR_STORAGE_POOL_EVENT_CALLBACK() when registering an appropriate handler.
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*/
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typedef void (*virConnectStoragePoolEventGenericCallback)(virConnectPtr conn,
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virStoragePoolPtr pool,
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void *opaque);
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/* Use VIR_STORAGE_POOL_EVENT_CALLBACK() to cast the 'cb' parameter */
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int virConnectStoragePoolEventRegisterAny(virConnectPtr conn,
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virStoragePoolPtr pool, /* optional, to filter */
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int eventID,
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virConnectStoragePoolEventGenericCallback cb,
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void *opaque,
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virFreeCallback freecb);
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int virConnectStoragePoolEventDeregisterAny(virConnectPtr conn,
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int callbackID);
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/**
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* virStoragePoolEventLifecycleType:
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*
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* a virStoragePoolEventLifecycleType is emitted during storage pool
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* lifecycle events
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*/
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typedef enum {
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VIR_STORAGE_POOL_EVENT_DEFINED = 0,
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VIR_STORAGE_POOL_EVENT_UNDEFINED = 1,
|
|
VIR_STORAGE_POOL_EVENT_STARTED = 2,
|
|
VIR_STORAGE_POOL_EVENT_STOPPED = 3,
|
|
VIR_STORAGE_POOL_EVENT_CREATED = 4,
|
|
VIR_STORAGE_POOL_EVENT_DELETED = 5,
|
|
|
|
# ifdef VIR_ENUM_SENTINELS
|
|
VIR_STORAGE_POOL_EVENT_LAST
|
|
# endif
|
|
} virStoragePoolEventLifecycleType;
|
|
|
|
/**
|
|
* virConnectStoragePoolEventLifecycleCallback:
|
|
* @conn: connection object
|
|
* @pool: pool on which the event occurred
|
|
* @event: The specific virStoragePoolEventLifeCycleType which occurred
|
|
* @detail: contains some details on the reason of the event.
|
|
* @opaque: application specified data
|
|
*
|
|
* This callback is called when a pool lifecycle action is performed, like start
|
|
* or stop.
|
|
*
|
|
* The callback signature to use when registering for an event of type
|
|
* VIR_STORAGE_POOL_EVENT_ID_LIFECYCLE with
|
|
* virConnectStoragePoolEventRegisterAny()
|
|
*/
|
|
typedef void (*virConnectStoragePoolEventLifecycleCallback)(virConnectPtr conn,
|
|
virStoragePoolPtr pool,
|
|
int event,
|
|
int detail,
|
|
void *opaque);
|
|
|
|
#endif /* LIBVIRT_STORAGE_H */
|