/**
 * This file has no copyright assigned and is placed in the Public Domain.
 * This file is part of the mingw-w64 runtime package.
 * No warranty is given; refer to the file DISCLAIMER.PD within this package.
 */

cpp_quote("#include <winapifamily.h>")
cpp_quote("#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)")

import "oaidl.idl";
import "ocidl.idl";

import "vss.idl";

typedef enum _VSS_MGMT_OBJECT_TYPE {
  VSS_MGMT_OBJECT_UNKNOWN = 0,
  VSS_MGMT_OBJECT_VOLUME,
  VSS_MGMT_OBJECT_DIFF_VOLUME,
  VSS_MGMT_OBJECT_DIFF_AREA,
} VSS_MGMT_OBJECT_TYPE, *PVSS_MGMT_OBJECT_TYPE;

const LONGLONG VSS_ASSOC_NO_MAX_SPACE = -1;

const LONGLONG VSS_ASSOC_REMOVE = 0;

typedef struct _VSS_VOLUME_PROP {
  VSS_PWSZ m_pwszVolumeName;
  VSS_PWSZ m_pwszVolumeDisplayName;
} VSS_VOLUME_PROP, *PVSS_VOLUME_PROP;

typedef struct _VSS_DIFF_VOLUME_PROP {
  VSS_PWSZ m_pwszVolumeName;
  VSS_PWSZ m_pwszVolumeDisplayName;
  LONGLONG m_llVolumeFreeSpace;
  LONGLONG m_llVolumeTotalSpace;
} VSS_DIFF_VOLUME_PROP, *PVSS_DIFF_VOLUME_PROP;

typedef struct _VSS_DIFF_AREA_PROP {
  VSS_PWSZ m_pwszVolumeName;
  VSS_PWSZ m_pwszDiffAreaVolumeName;
  LONGLONG m_llMaximumDiffSpace;
  LONGLONG m_llAllocatedDiffSpace;
  LONGLONG m_llUsedDiffSpace;
} VSS_DIFF_AREA_PROP, *PVSS_DIFF_AREA_PROP;

[switch_type(VSS_MGMT_OBJECT_TYPE)]
typedef union {
  [case(VSS_MGMT_OBJECT_VOLUME)] VSS_VOLUME_PROP Vol;
  [case(VSS_MGMT_OBJECT_DIFF_VOLUME)] VSS_DIFF_VOLUME_PROP DiffVol;
  [case(VSS_MGMT_OBJECT_DIFF_AREA)] VSS_DIFF_AREA_PROP DiffArea;
  [default];
} VSS_MGMT_OBJECT_UNION, *PVSS_MGMT_OBJECT_UNION;

typedef struct _VSS_MGMT_OBJECT_PROP {
  VSS_MGMT_OBJECT_TYPE Type;
  [switch_is(Type)] VSS_MGMT_OBJECT_UNION Obj;
} VSS_MGMT_OBJECT_PROP, *PVSS_MGMT_OBJECT_PROP;

typedef enum _VSS_PROTECTION_LEVEL {
  VSS_PROTECTION_LEVEL_ORIGINAL_VOLUME = 0,
  VSS_PROTECTION_LEVEL_SNAPSHOT,
} VSS_PROTECTION_LEVEL, *PVSS_PROTECTION_LEVEL;

typedef enum _VSS_PROTECTION_FAULT {
  VSS_PROTECTION_FAULT_NONE = 0,
  VSS_PROTECTION_FAULT_DIFF_AREA_MISSING,
  VSS_PROTECTION_FAULT_IO_FAILURE_DURING_ONLINE,
  VSS_PROTECTION_FAULT_META_DATA_CORRUPTION,
  VSS_PROTECTION_FAULT_MEMORY_ALLOCATION_FAILURE,
  VSS_PROTECTION_FAULT_MAPPED_MEMORY_FAILURE,
  VSS_PROTECTION_FAULT_COW_READ_FAILURE,
  VSS_PROTECTION_FAULT_COW_WRITE_FAILURE,
  VSS_PROTECTION_FAULT_DIFF_AREA_FULL,
  VSS_PROTECTION_FAULT_GROW_TOO_SLOW,
  VSS_PROTECTION_FAULT_GROW_FAILED,
  VSS_PROTECTION_FAULT_DESTROY_ALL_SNAPSHOTS,
  VSS_PROTECTION_FAULT_FILE_SYSTEM_FAILURE,
  VSS_PROTECTION_FAULT_IO_FAILURE,
  VSS_PROTECTION_FAULT_DIFF_AREA_REMOVED,
  VSS_PROTECTION_FAULT_EXTERNAL_WRITER_TO_DIFF_AREA,
  VSS_PROTECTION_FAULT_MOUNT_DURING_CLUSTER_OFFLINE
} VSS_PROTECTION_FAULT, *PVSS_PROTECTION_FAULT;

typedef struct _VSS_VOLUME_PROTECTION_INFO {
  VSS_PROTECTION_LEVEL m_protectionLevel;
  WINBOOL m_volumeIsOfflineForProtection;
  VSS_PROTECTION_FAULT m_protectionFault;
  LONG m_failureStatus;
  WINBOOL m_volumeHasUnusedDiffArea;
  DWORD m_reserved;
} VSS_VOLUME_PROTECTION_INFO, *PVSS_VOLUME_PROTECTION_INFO;

interface IVssSnapshotMgmt;
interface IVssDifferentialSoftwareSnapshotMgmt;
interface IVssEnumMgmtObject;

[
  object,
  uuid(fa7df749-66e7-4986-a27f-e2f04ae53772),
  pointer_default(unique)
]
interface IVssSnapshotMgmt: IUnknown
{
  HRESULT GetProviderMgmtInterface(
    [in] VSS_ID ProviderId,
    [in] REFIID InterfaceId,
    [out, iid_is(InterfaceId)] IUnknown **ppItf);

  HRESULT QueryVolumesSupportedForSnapshots(
    [in] VSS_ID ProviderId,
    [in] LONG lContext,
    [out] IVssEnumMgmtObject **ppEnum);

  HRESULT QuerySnapshotsByVolume(
    [in] VSS_PWSZ pwszVolumeName,
    [in] VSS_ID ProviderId,
    [out] IVssEnumObject **ppEnum);
}

[
  object,
  uuid(0f61ec39-fe82-45f2-a3f0-768b5d427102),
  pointer_default(unique)
]
interface IVssSnapshotMgmt2: IUnknown
{
  HRESULT GetMinDiffAreaSize(
    [out] LONGLONG *pllMinDiffAreaSize);
}

[
  object,
  uuid(214a0f28-b737-4026-b847-4f9e37d79529),
  pointer_default(unique)
]
interface IVssDifferentialSoftwareSnapshotMgmt: IUnknown
{
    HRESULT AddDiffArea(
    [in] VSS_PWSZ pwszVolumeName,
    [in] VSS_PWSZ pwszDiffAreaVolumeName,
    [in] LONGLONG llMaximumDiffSpace);

  HRESULT ChangeDiffAreaMaximumSize(
    [in] VSS_PWSZ pwszVolumeName,
    [in] VSS_PWSZ pwszDiffAreaVolumeName,
    [in] LONGLONG llMaximumDiffSpace);

  HRESULT QueryVolumesSupportedForDiffAreas(
    [in] VSS_PWSZ pwszOriginalVolumeName,
    [out] IVssEnumMgmtObject **ppEnum);

  HRESULT QueryDiffAreasForVolume(
    [in] VSS_PWSZ pwszVolumeName,
    [out] IVssEnumMgmtObject **ppEnum);

  HRESULT QueryDiffAreasOnVolume(
    [in] VSS_PWSZ pwszVolumeName,
    [out] IVssEnumMgmtObject **ppEnum);

  HRESULT QueryDiffAreasForSnapshot(
    [in] VSS_ID SnapshotId,
    [out] IVssEnumMgmtObject **ppEnum);
}

[
  object,
  uuid(949d7353-675f-4275-8969-f044c6277815),
  pointer_default(unique)
]
interface IVssDifferentialSoftwareSnapshotMgmt2 : IVssDifferentialSoftwareSnapshotMgmt
{
  HRESULT ChangeDiffAreaMaximumSizeEx(
    [in] VSS_PWSZ pwszVolumeName,
    [in] VSS_PWSZ pwszDiffAreaVolumeName,
    [in] LONGLONG llMaximumDiffSpace,
    [in] WINBOOL bVolatile);

  HRESULT MigrateDiffAreas(
    [in] VSS_PWSZ pwszVolumeName,
    [in] VSS_PWSZ pwszDiffAreaVolumeName,
    [in] VSS_PWSZ pwszNewDiffAreaVolumeName);

  HRESULT QueryMigrationStatus(
    [in] VSS_PWSZ pwszVolumeName,
    [in] VSS_PWSZ pwszDiffAreaVolumeName,
    [out] IVssAsync **ppAsync);

  HRESULT SetSnapshotPriority(
    [in] VSS_ID idSnapshot,
    [in] BYTE priority);
}

[
  object,
  uuid(383f7e71-a4c5-401f-b27f-f826289f8458),
  pointer_default(unique)
]
interface IVssDifferentialSoftwareSnapshotMgmt3 : IVssDifferentialSoftwareSnapshotMgmt2
{
  HRESULT SetVolumeProtectLevel(
    [in] VSS_PWSZ pwszVolumeName,
    [in] VSS_PROTECTION_LEVEL protectionLevel);

  HRESULT GetVolumeProtectLevel(
    [in] VSS_PWSZ pwszVolumeName,
    [out] VSS_VOLUME_PROTECTION_INFO *protectionLevel);

  HRESULT ClearVolumeProtectFault(
    [in] VSS_PWSZ pwszVolumeName);

  HRESULT DeleteUnusedDiffAreas(
    [in] VSS_PWSZ pwszDiffAreaVolumeName);

  HRESULT QuerySnapshotDeltaBitmap(
    [in] VSS_ID idSnapshotOlder,
    [in] VSS_ID idSnapshotYounger,
    [out] ULONG *pcBlockSizePerBit,
    [out] ULONG *pcBitmapLength,
    [out, size_is(, *pcBitmapLength)] BYTE **ppbBitmap);
}

[
  object,
  uuid(01954e6b-9254-4e6e-808c-c9e05d007696),
  pointer_default(unique)
]
interface IVssEnumMgmtObject : IUnknown
{
  HRESULT Next(
    [in] ULONG celt,
    [out, size_is(celt), length_is(*pceltFetched)] VSS_MGMT_OBJECT_PROP *rgelt,
    [out] ULONG *pceltFetched);

  HRESULT Skip(
    [in] ULONG celt);

  HRESULT Reset();

  HRESULT Clone(
    [in, out] IVssEnumMgmtObject **ppenum);
}

[
  uuid(84015c41-291d-49e6-bf7f-dd40ae93632b),
  version(1.0)
]
library VSMGMT
{
  importlib("stdole2.tlb");

  [
    uuid(0b5a2c52-3eb9-470a-96e2-6c6d4570e40f)
  ]
  coclass VssSnapshotMgmt
  {
    [default] interface IVssSnapshotMgmt;
    interface IVssSnapshotMgmt2;
  }
}

cpp_quote("#endif /* WINAPI_PARTITION_DESKTOP */")