////////////////////////////////////////////////////////////////////////////// // // Copyright (c) 2000-2001 Microsoft Corporation // /////////////////////////////////////////////////////////////////////////////// // Imports // import "oaidl.idl"; import "ocidl.idl"; /////////////////////////////////////////////////////////////////////////////// // Forward declarations // interface IVssEnumObject; // interfaces supported by the provider interface IVssSnapshot; /////////////////////////////////////////////////////////////////////////////// // Constants and enums // typedef enum _VSS_OBJECT_TYPE { VSS_OBJECT_UNKNOWN = 0, VSS_OBJECT_NONE, VSS_OBJECT_SNAPSHOT_SET, VSS_OBJECT_SNAPSHOT, VSS_OBJECT_PROVIDER, VSS_OBJECT_TYPE_COUNT } VSS_OBJECT_TYPE, *PVSS_OBJECT_TYPE; typedef enum _VSS_SNAPSHOT_STATE { VSS_SS_UNKNOWN = 0, VSS_SS_PREPARING, VSS_SS_PROCESSING_PREPARE, VSS_SS_PREPARED, VSS_SS_PROCESSING_PRECOMMIT, VSS_SS_PRECOMMITTED, VSS_SS_PROCESSING_COMMIT, VSS_SS_COMMITTED, VSS_SS_PROCESSING_POSTCOMMIT, VSS_SS_CREATED, VSS_SS_ABORTED, VSS_SS_DELETED, VSS_SS_COUNT } VSS_SNAPSHOT_STATE, *PVSS_SNAPSHOT_STATE; enum _VSS_VOLUME_SNAPSHOT_ATTRIBUTES { VSS_VOLSNAP_ATTR_PERSISTENT = 0x00000001, VSS_VOLSNAP_ATTR_READ_WRITE = 0x00000002, VSS_VOLSNAP_ATTR_CLIENT_ACCESSIBLE = 0x00000004, VSS_VOLSNAP_ATTR_NO_AUTO_RELEASE = 0x00000008, VSS_VOLSNAP_ATTR_NO_WRITERS = 0x00000010, VSS_VOLSNAP_ATTR_TRANSPORTABLE = 0x00000020, VSS_VOLSNAP_ATTR_NOT_SURFACED = 0x00000040, VSS_VOLSNAP_ATTR_HARDWARE_ASSISTED = 0x00010000, VSS_VOLSNAP_ATTR_DIFFERENTIAL = 0x00020000, VSS_VOLSNAP_ATTR_PLEX = 0x00040000, VSS_VOLSNAP_ATTR_IMPORTED = 0x00080000, VSS_VOLSNAP_ATTR_EXPOSED_LOCALLY = 0x00100000, VSS_VOLSNAP_ATTR_EXPOSED_REMOTELY = 0x00200000, }; enum _VSS_SNAPSHOT_CONTEXT { VSS_CTX_BACKUP = 0x00000000, VSS_CTX_FILE_SHARE_BACKUP = VSS_VOLSNAP_ATTR_NO_WRITERS, VSS_CTX_NAS_ROLLBACK = VSS_VOLSNAP_ATTR_PERSISTENT | VSS_VOLSNAP_ATTR_NO_AUTO_RELEASE | VSS_VOLSNAP_ATTR_NO_WRITERS, VSS_CTX_APP_ROLLBACK = VSS_VOLSNAP_ATTR_PERSISTENT | VSS_VOLSNAP_ATTR_NO_AUTO_RELEASE, VSS_CTX_CLIENT_ACCESSIBLE = VSS_VOLSNAP_ATTR_CLIENT_ACCESSIBLE | VSS_VOLSNAP_ATTR_NO_AUTO_RELEASE | VSS_VOLSNAP_ATTR_NO_WRITERS, VSS_CTX_PERSISTENT_CLIENT_ACCESSIBLE = VSS_VOLSNAP_ATTR_PERSISTENT | VSS_VOLSNAP_ATTR_CLIENT_ACCESSIBLE | VSS_VOLSNAP_ATTR_NO_AUTO_RELEASE | VSS_VOLSNAP_ATTR_NO_WRITERS, VSS_CTX_ALL = 0xFFFFFFFF, }; typedef enum _VSS_WRITER_STATE { VSS_WS_UNKNOWN = 0, VSS_WS_STABLE, VSS_WS_WAITING_FOR_FREEZE, VSS_WS_WAITING_FOR_THAW, VSS_WS_WAITING_FOR_POST_SNAPSHOT, VSS_WS_WAITING_FOR_BACKUP_COMPLETE, VSS_WS_FAILED_AT_IDENTIFY, VSS_WS_FAILED_AT_PREPARE_BACKUP, VSS_WS_FAILED_AT_PREPARE_SNAPSHOT, VSS_WS_FAILED_AT_FREEZE, VSS_WS_FAILED_AT_THAW, VSS_WS_FAILED_AT_POST_SNAPSHOT, VSS_WS_FAILED_AT_BACKUP_COMPLETE, VSS_WS_FAILED_AT_PRE_RESTORE, VSS_WS_FAILED_AT_POST_RESTORE, VSS_WS_COUNT } VSS_WRITER_STATE, *PVSS_WRITER_STATE; typedef enum _VSS_BACKUP_TYPE { VSS_BT_UNDEFINED, VSS_BT_FULL, VSS_BT_INCREMENTAL, VSS_BT_DIFFERENTIAL, VSS_BT_LOG, VSS_BT_OTHER } VSS_BACKUP_TYPE; typedef enum _VSS_PROVIDER_TYPE { VSS_PROV_UNKNOWN = 0, VSS_PROV_SYSTEM = 1, VSS_PROV_SOFTWARE = 2, VSS_PROV_HARDWARE = 3, } VSS_PROVIDER_TYPE, *PVSS_PROVIDER_TYPE; typedef enum _VSS_APPLICATION_LEVEL { VSS_APP_UNKNOWN = 0, VSS_APP_SYSTEM = 1, VSS_APP_BACK_END = 2, VSS_APP_FRONT_END = 3, VSS_APP_AUTO = -1, } VSS_APPLICATION_LEVEL, *PVSS_APPLICATION_LEVEL; // mask containing flags indicating what typedef enum _VSS_SNAPSHOT_COMPATIBILITY { VSS_SC_DISABLE_DEFRAG = 0x1, VSS_SC_DISABLE_CONTENTINDEX = 0x2 } VSS_SNAPSHOT_COMPATIBILITY; typedef enum _VSS_SNAPSHOT_PROPERTY_ID { VSS_SPROPID_UNKNOWN = 0x0000000, VSS_SPROPID_SNAPSHOT_ID = 0x0000001, VSS_SPROPID_SNAPSHOT_SET_ID = 0x0000002, VSS_SPROPID_SNAPSHOTS_COUNT = 0x0000003, VSS_SPROPID_SNAPSHOT_DEVICE = 0x0000004, VSS_SPROPID_ORIGINAL_VOLUME = 0x0000005, VSS_SPROPID_ORIGINATING_MACHINE = 0x0000006, VSS_SPROPID_SERVICE_MACHINE = 0x0000007, VSS_SPROPID_EXPOSED_NAME = 0x0000008, VSS_SPROPID_EXPOSED_PATH = 0x0000009, VSS_SPROPID_PROVIDER_ID = 0x000000A, VSS_SPROPID_SNAPSHOT_ATTRIBUTES = 0x000000B, VSS_SPROPID_CREATION_TIMESTAMP = 0x000000C, VSS_SPROPID_STATUS = 0x000000D, } VSS_SNAPSHOT_PROPERTY_ID, *PVSS_SNAPSHOT_PROPERTY_ID; //////////////////////////////////////////////////////// // Typedefs and structures // typedef GUID VSS_ID; typedef [unique, string] WCHAR* VSS_PWSZ; typedef LONGLONG VSS_TIMESTAMP; typedef struct _VSS_SNAPSHOT_PROP { VSS_ID m_SnapshotId; VSS_ID m_SnapshotSetId; LONG m_lSnapshotsCount; VSS_PWSZ m_pwszSnapshotDeviceObject; VSS_PWSZ m_pwszOriginalVolumeName; VSS_PWSZ m_pwszOriginatingMachine; VSS_PWSZ m_pwszServiceMachine; VSS_PWSZ m_pwszExposedName; VSS_PWSZ m_pwszExposedPath; VSS_ID m_ProviderId; LONG m_lSnapshotAttributes; VSS_TIMESTAMP m_tsCreationTimestamp; VSS_SNAPSHOT_STATE m_eStatus; } VSS_SNAPSHOT_PROP, *PVSS_SNAPSHOT_PROP; typedef struct _VSS_PROVIDER_PROP { VSS_ID m_ProviderId; VSS_PWSZ m_pwszProviderName; VSS_PROVIDER_TYPE m_eProviderType; VSS_PWSZ m_pwszProviderVersion; VSS_ID m_ProviderVersionId; CLSID m_ClassId; } VSS_PROVIDER_PROP, *PVSS_PROVIDER_PROP; [ switch_type(VSS_OBJECT_TYPE) ] typedef union { [case(VSS_OBJECT_SNAPSHOT)] VSS_SNAPSHOT_PROP Snap; [case(VSS_OBJECT_PROVIDER)] VSS_PROVIDER_PROP Prov; [default]; } VSS_OBJECT_UNION; typedef struct _VSS_OBJECT_PROP { VSS_OBJECT_TYPE Type; [ switch_is(Type) ] VSS_OBJECT_UNION Obj; } VSS_OBJECT_PROP, *PVSS_OBJECT_PROP; [ object, uuid(AE1C7110-2F60-11d3-8A39-00C04F72D8E3), helpstring("IVssEnumObject Interface"), pointer_default(unique) ] interface IVssEnumObject : IUnknown { HRESULT Next( [in] ULONG celt, [out, size_is(celt), length_is(*pceltFetched)] VSS_OBJECT_PROP *rgelt, [out] ULONG *pceltFetched ); HRESULT Skip( [in] ULONG celt ); HRESULT Reset(); HRESULT Clone( [in, out] IVssEnumObject **ppenum ); }; [ object, uuid(C7B98A22-222D-4e62-B875-1A44980634AF), helpstring("IVssAsync Interface"), pointer_default(unique) ] interface IVssAsync : IUnknown { [helpstring("method Cancel")] HRESULT Cancel(); [helpstring("method Wait")] HRESULT Wait(); [helpstring("method QueryStatus")] HRESULT QueryStatus( [out] HRESULT* pHrResult, [in, out, unique] INT* pReserved ); }; ///////////////////////////////////////////////////////////////////////////// // VSS HRESULT errors // // MessageId: VSS_E_BAD_STATE // // MessageText: // // A function call was invalid because of the state of either the // backup extensions or the coordinator. For example calling AddToSnapshot // set prior to calling StartSnapshotSet. // const HRESULT VSS_E_BAD_STATE = (0x80042301L); // // MessageId: VSS_E_PROVIDER_ALREADY_REGISTERED // // MessageText: // // Calling RegisterProvider // const HRESULT VSS_E_PROVIDER_ALREADY_REGISTERED = (0x80042303L); // // MessageId: VSS_E_PROVIDER_NOT_REGISTERED // // MessageText: // // Calling UnregisterProvider // const HRESULT VSS_E_PROVIDER_NOT_REGISTERED = (0x80042304L); // // MessageId: VSS_E_PROVIDER_VETO // // MessageText: // // Calling DoSnapshotSet // const HRESULT VSS_E_PROVIDER_VETO = (0x80042306L); // // MessageId: VSS_E_PROVIDER_IN_USE // // MessageText: // // Calling UnregisterProvider, StartSnapshotSet // const HRESULT VSS_E_PROVIDER_IN_USE = (0x80042307L); // // MessageId: VSS_E_OBJECT_NOT_FOUND // // MessageText: // // Calling DeleteSnapshots, Query // const HRESULT VSS_E_OBJECT_NOT_FOUND = (0x80042308L); // // MessageId: VSS_S_ASYNC_PENDING // // MessageText: // // Calling IVssAsync::QueryStatus // const HRESULT VSS_S_ASYNC_PENDING = (0x00042309L); // // MessageId: VSS_S_ASYNC_FINISHED // // MessageText: // // Calling IVssAsync::QueryStatus // const HRESULT VSS_S_ASYNC_FINISHED = (0x0004230AL); // // MessageId: VSS_S_ASYNC_CANCELLED // // MessageText: // // Calling IVssAsync::QueryStatus // const HRESULT VSS_S_ASYNC_CANCELLED = (0x0004230BL); // // MessageId: VSS_E_VOLUME_NOT_SUPPORTED // // MessageText: // // Calling AddToSnapshotSet // const HRESULT VSS_E_VOLUME_NOT_SUPPORTED = (0x8004230CL); // // MessageId: VSS_E_VOLUME_NOT_SUPPORTED_BY_PROVIDER // // MessageText: // // Calling AddToSnapshotSet // const HRESULT VSS_E_VOLUME_NOT_SUPPORTED_BY_PROVIDER = (0x8004230EL); // // MessageId: VSS_E_OBJECT_ALREADY_EXISTS // // MessageText: // // Calling ExposeCurrentState // const HRESULT VSS_E_OBJECT_ALREADY_EXISTS = (0x8004230DL); // // MessageId: VSS_E_UNEXPECTED_PROVIDER_ERROR // // MessageText: // // Calling several methods supported by the providers. // const HRESULT VSS_E_UNEXPECTED_PROVIDER_ERROR = (0x8004230FL); // // MessageId: VSS_E_CORRUPT_XML_DOCUMENT // // MessageText: // // XML document unexpectedly does not match schema. // const HRESULT VSS_E_CORRUPT_XML_DOCUMENT = (0x80042310L); // // MessageId: VSS_E_CORRUPT_XML_DOCUMENT // // MessageText: // // An XML document passes as an argument is not valid, i.e., is either // not correctly formed XML or does not match the schema // const HRESULT VSS_E_INVALID_XML_DOCUMENT = (0x80042311L); // // MessageId: VSS_E_MAXIMUM_NUMBER_OF_VOLUMES_REACHED // // MessageText: // // We cannot add any more volumes since we passed the maximum limit. // const HRESULT VSS_E_MAXIMUM_NUMBER_OF_VOLUMES_REACHED = (0x80042312L); // // MessageId: VSS_E_FLUSH_WRITES_TIMEOUT // // MessageText: // // VSS couldn't flush I/O writes anymore. // const HRESULT VSS_E_FLUSH_WRITES_TIMEOUT = (0x80042313L); // // MessageId: VSS_E_HOLD_WRITES_TIMEOUT // // MessageText: // // VSS couldn't hold I/O writes anymore. // const HRESULT VSS_E_HOLD_WRITES_TIMEOUT = (0x80042314L); // // MessageId: VSS_E_UNEXPECTED_WRITER_ERROR // // MessageText: // // VSS encountered problems while sending events to writers // const HRESULT VSS_E_UNEXPECTED_WRITER_ERROR = (0x80042315L); // // MessageId: VSS_E_SNAPSHOT_SET_IN_PROGRESS // // MessageText: // // StartSnapshotSet was called when another snapshot set in in the // process of being created. // const HRESULT VSS_E_SNAPSHOT_SET_IN_PROGRESS = (0x80042316L); // // MessageId: VSS_E_MAXIMUM_NUMBER_OF_SNAPSHOTS_REACHED // // MessageText: // // AddToSnapshotSet was called on a volume that has already reached // its maxinum number // const HRESULT VSS_E_MAXIMUM_NUMBER_OF_SNAPSHOTS_REACHED = (0x80042317L); // // MessageId: VSS_E_WRITER_INFRASTRUCTURE // // The Writer infrastructure is not operating properly. Check that the // Event Service and the Volume Snapshot Service are started and check for // errors associdated with these services in the error log. // const HRESULT VSS_E_WRITER_INFRASTRUCTURE = (0x80042318L); // // MessageId: VSS_E_WRITER_NOT_RESPONDING // // A writer did not respond to a GetWriterStatus call. This means that // the process containing the writer died or is hung. // const HRESULT VSS_E_WRITER_NOT_RESPONDING = (0x80042319L); // // MessageId: VSS_E_WRITER_ALREADY_SUBSCRIBED // // A writer has already sucessfully called the Subscribe function. It cannot call // subscribe multiple times. // const HRESULT VSS_E_WRITER_ALREADY_SUBSCRIBED = (0x8004231AL); // // MessageId: VSS_E_UNSUPPORTED_CONTEXT // // Attempt to use an unsupported context. // const HRESULT VSS_E_UNSUPPORTED_CONTEXT = (0x8004231BL); // // MessageId: VSS_E_VOLUME_IN_USE // // MessageText: // // Calling ChangeDiffAreaMaximumSize // const HRESULT VSS_E_VOLUME_IN_USE = (0x8004231DL); // // MessageId: VSS_E_MAXIMUM_DIFFAREA_ASSOCIATIONS_REACHED // // MessageText: // // Calling AddDiffArea // const HRESULT VSS_E_MAXIMUM_DIFFAREA_ASSOCIATIONS_REACHED = (0x8004231EL); // // MessageId: VSS_E_INSUFFICIENT_STORAGE // // MessageText: // // Calling EndPrepareSnapshots, ChangeDiffAreaMaximumSize // const HRESULT VSS_E_INSUFFICIENT_STORAGE = (0x8004231FL);