#ifndef _NTEXAPI_H

// rev
typedef struct _ST_STATS
{
    ULONG Version : 8; // SYSTEM_STORE_STATS_INFORMATION_VERSION
    ULONG Level : 4; // ST_STATS_LEVEL
    ULONG StoreType : 4; // SM_STORE_TYPE
    ULONG NoDuplication : 1;
    ULONG NoCompression : 1;
    ULONG EncryptionStrength : 12;
    ULONG VirtualRegions : 1;
    ULONG Spare0 : 1;
    ULONG Size; // total bytes returned in the caller-supplied stats buffer
    USHORT CompressionFormat;
    USHORT Spare;

    struct
    {
        ULONG RegionSize;
        ULONG RegionCount;
        ULONG RegionCountMax;
        ULONG Granularity;
        ST_DATA_MGR_STATS UserData;
        ST_DATA_MGR_STATS Metadata;
    } Basic; // present for StStatsLevelBasic and higher

    struct
    {
        ST_IO_STATS IoStats;
        ST_READ_LATENCY_STATS ReadLatencyStats;
    } Io; // present for StStatsLevelIoStats and higher

    // For StStatsLevelRegionSpace, variable-length ST_STATS_REGION_INFO[Basic.RegionCountMax] follows.
    // For StStatsLevelSpaceBitmap, ST_STATS_SPACE_BITMAP follows after the fixed header.
} ST_STATS, *PST_STATS;

#endif
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