// Public NTLite file metadata ABI declarations shared between kernel, drivers, and user mode.

#pragma once
#include <stddef.h>
#include <stdint.h>
#include <ntlite/time.h>

#define SYS_FILE_TYPE_UNKNOWN   0u
#define SYS_FILE_TYPE_REGULAR   1u
#define SYS_FILE_TYPE_DIRECTORY 2u

#define SYS_FILE_ATTR_READ_ONLY 0x00000001u
#define SYS_FILE_ATTR_HIDDEN    0x00000002u
#define SYS_FILE_ATTR_SYSTEM    0x00000004u
#define SYS_FILE_ATTR_VOLUME_ID 0x00000008u
#define SYS_FILE_ATTR_DIRECTORY 0x00000010u
#define SYS_FILE_ATTR_ARCHIVE   0x00000020u

// Metadata returned by path and handle stat syscalls.
typedef struct SYS_FILE_STAT {
    uint32_t Size;
    uint32_t Type;
    uint32_t Attributes;
    uint32_t LinkCount;
    uint64_t FileSize;
    uint64_t VolumeId;
    uint64_t FileId;
    SYS_SYSTEM_TIME CreationTime;
    SYS_SYSTEM_TIME LastAccessTime;
    SYS_SYSTEM_TIME LastWriteTime;
    SYS_SYSTEM_TIME ChangeTime;
} SYS_FILE_STAT;

// Native file metadata is copied between independently built modules.
_Static_assert(offsetof(SYS_FILE_STAT, FileId) == 32u, "SYS_FILE_STAT FileId offset changed");
_Static_assert(offsetof(SYS_FILE_STAT, CreationTime) == 40u, "SYS_FILE_STAT CreationTime offset changed");
_Static_assert(sizeof(SYS_FILE_STAT) == 200u, "SYS_FILE_STAT ABI size changed");