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libvirt: Introduce virConnectGetStoragePoolCapabilities
Introduce the API to expose the storage pool capabilities along with all the remote munglement required to hook up the client. Signed-off-by: John Ferlan <jferlan@redhat.com> ACKed-by: Michal Privoznik <mprivozn@redhat.com>
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@ -193,6 +193,10 @@ typedef enum {
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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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@ -52,6 +52,10 @@ typedef char *
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const char *srcSpec,
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unsigned int flags);
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typedef char *
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(*virDrvConnectGetStoragePoolCapabilities)(virConnectPtr conn,
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unsigned int flags);
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typedef virStoragePoolPtr
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(*virDrvStoragePoolLookupByName)(virConnectPtr conn,
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const char *name);
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@ -237,6 +241,7 @@ struct _virStorageDriver {
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virDrvConnectFindStoragePoolSources connectFindStoragePoolSources;
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virDrvConnectStoragePoolEventRegisterAny connectStoragePoolEventRegisterAny;
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virDrvConnectStoragePoolEventDeregisterAny connectStoragePoolEventDeregisterAny;
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virDrvConnectGetStoragePoolCapabilities connectGetStoragePoolCapabilities;
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virDrvStoragePoolLookupByName storagePoolLookupByName;
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virDrvStoragePoolLookupByUUID storagePoolLookupByUUID;
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virDrvStoragePoolLookupByVolume storagePoolLookupByVolume;
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@ -2351,3 +2351,43 @@ virConnectStoragePoolEventDeregisterAny(virConnectPtr conn,
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virDispatchError(conn);
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return -1;
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}
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/**
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* virConnectGetStoragePoolCapabilities:
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* @conn: pointer to the hypervisor connection
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* @flags: extra flags; not used yet, so callers should always pass 0
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*
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* Prior creating a storage pool (for instance via virStoragePoolCreateXML
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* or virStoragePoolDefineXML) it may be suitable to know what pool types
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* are supported along with the file/disk formats for each pool.
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*
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* Returns NULL in case of error or an XML string defining the capabilities.
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*/
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char *
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virConnectGetStoragePoolCapabilities(virConnectPtr conn,
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unsigned int flags)
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{
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VIR_DEBUG("conn=%p, flags=0x%x", conn, flags);
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virResetLastError();
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virCheckConnectReturn(conn, NULL);
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if (conn->storageDriver &&
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conn->storageDriver->connectGetStoragePoolCapabilities) {
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char *ret;
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ret = conn->storageDriver->connectGetStoragePoolCapabilities(conn,
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flags);
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if (!ret)
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goto error;
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VIR_DEBUG("conn=%p, ret=%s", conn, ret);
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return ret;
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}
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virReportUnsupportedError();
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error:
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virDispatchError(conn);
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return NULL;
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}
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@ -814,4 +814,9 @@ LIBVIRT_4.10.0 {
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virDomainSetIOThreadParams;
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} LIBVIRT_4.5.0;
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LIBVIRT_5.2.0 {
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global:
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virConnectGetStoragePoolCapabilities;
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} LIBVIRT_4.10.0;
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# .... define new API here using predicted next version number ....
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@ -8572,6 +8572,7 @@ static virStorageDriver storage_driver = {
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.connectFindStoragePoolSources = remoteConnectFindStoragePoolSources, /* 0.4.5 */
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.connectStoragePoolEventDeregisterAny = remoteConnectStoragePoolEventDeregisterAny, /* 2.0.0 */
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.connectStoragePoolEventRegisterAny = remoteConnectStoragePoolEventRegisterAny, /* 2.0.0 */
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.connectGetStoragePoolCapabilities = remoteConnectGetStoragePoolCapabilities, /* 5.2.0 */
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.storagePoolLookupByName = remoteStoragePoolLookupByName, /* 0.4.1 */
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.storagePoolLookupByUUID = remoteStoragePoolLookupByUUID, /* 0.4.1 */
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.storagePoolLookupByVolume = remoteStoragePoolLookupByVolume, /* 0.4.1 */
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@ -3565,6 +3565,14 @@ struct remote_connect_list_all_nwfilter_bindings_ret { /* insert@1 */
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unsigned int ret;
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};
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struct remote_connect_get_storage_pool_capabilities_args {
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unsigned int flags;
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};
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struct remote_connect_get_storage_pool_capabilities_ret {
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remote_nonnull_string capabilities;
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};
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/*----- Protocol. -----*/
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/* Define the program number, protocol version and procedure numbers here. */
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@ -6328,6 +6336,11 @@ enum remote_procedure {
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* @acl: domain:save:!VIR_DOMAIN_AFFECT_CONFIG|VIR_DOMAIN_AFFECT_LIVE
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* @acl: domain:save:VIR_DOMAIN_AFFECT_CONFIG
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*/
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REMOTE_PROC_DOMAIN_SET_IOTHREAD_PARAMS = 402
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REMOTE_PROC_DOMAIN_SET_IOTHREAD_PARAMS = 402,
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/**
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* @generate: both
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* @acl: connect:read
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*/
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REMOTE_PROC_CONNECT_GET_STORAGE_POOL_CAPABILITIES = 403
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};
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@ -2975,6 +2975,12 @@ struct remote_connect_list_all_nwfilter_bindings_ret {
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} bindings;
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u_int ret;
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};
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struct remote_connect_get_storage_pool_capabilities_args {
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u_int flags;
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};
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struct remote_connect_get_storage_pool_capabilities_ret {
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remote_nonnull_string capabilities;
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};
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enum remote_procedure {
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REMOTE_PROC_CONNECT_OPEN = 1,
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REMOTE_PROC_CONNECT_CLOSE = 2,
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@ -3378,4 +3384,5 @@ enum remote_procedure {
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REMOTE_PROC_NWFILTER_BINDING_DELETE = 400,
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REMOTE_PROC_CONNECT_LIST_ALL_NWFILTER_BINDINGS = 401,
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REMOTE_PROC_DOMAIN_SET_IOTHREAD_PARAMS = 402,
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REMOTE_PROC_CONNECT_GET_STORAGE_POOL_CAPABILITIES = 403,
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};
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