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reactos/drivers/filesystems/ext2/inc/common.h

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#ifndef _EXT2_COMMON_INCLUDE_
#define _EXT2_COMMON_INCLUDE_
/* global ioctl */
#define IOCTL_APP_VOLUME_PROPERTY \
CTL_CODE(FILE_DEVICE_UNKNOWN, 2000, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_APP_QUERY_PERFSTAT \
CTL_CODE(FILE_DEVICE_UNKNOWN, 2001, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_APP_MOUNT_POINT \
CTL_CODE(FILE_DEVICE_UNKNOWN, 2002, METHOD_BUFFERED, FILE_ANY_ACCESS)
/* performance / memory allocaiton statistics */
#define PS_IRP_CONTEXT 0x00
#define PS_VCB 0x01
#define PS_FCB 0x02
#define PS_CCB 0x03
#define PS_MCB 0x04
#define PS_EXTENT 0x05
#define PS_RW_CONTEXT 0x06
#define PS_VPB 0x07
#define PS_FILE_NAME 0x08
#define PS_MCB_NAME 0x09
#define PS_INODE_NAME 0x0A
#define PS_DIR_ENTRY 0x0B
#define PS_DIR_PATTERN 0x0C
#define PS_DISK_EVENT 0x0D
#define PS_DISK_BUFFER 0x0E
#define PS_BLOCK_DATA 0x0F
#define PS_EXT2_INODE 0x10
#define PS_DENTRY 0x11
#define PS_BUFF_HEAD 0x12
#define PS_MAX_TYPE_V1 (0x10)
#define PS_MAX_TYPE_V2 (0x30)
typedef union {
ULONG Slot[PS_MAX_TYPE_V1];
struct {
ULONG IrpContext;
ULONG Vcb;
ULONG Fcb;
ULONG Ccb;
ULONG Mcb;
ULONG Extent;
ULONG RwContext; /* rw context */
ULONG Vpb;
ULONG FileName;
ULONG McbName;
ULONG InodeName;
ULONG DirEntry; /* pDir */
ULONG DirPattern; /* Ccb-> in Ext2QeuryDir */
ULONG ReadDiskEvent;
ULONG ReadDiskBuffer;
ULONG BlockData; /* Ext2Expand&TruncateFile*/
};
} EXT2_STAT_ARRAY_V1;
typedef union {
ULONG Slot[PS_MAX_TYPE_V2];
struct {
ULONG IrpContext;
ULONG Vcb;
ULONG Fcb;
ULONG Ccb;
ULONG Mcb;
ULONG Extent;
ULONG RwContext; /* rw context */
ULONG Vpb;
ULONG FileName;
ULONG McbName;
ULONG InodeName;
ULONG DirEntry; /* pDir */
ULONG DirPattern; /* Ccb-> in Ext2QeuryDir */
ULONG ReadDiskEvent;
ULONG ReadDiskBuffer;
ULONG BlockData; /* Ext2Expand&TruncateFile*/
ULONG Inodes; /* inodes */
ULONG NameEntries; /* name dentry */
ULONG BufferHead; /* Buffer Header allocations */
};
} EXT2_STAT_ARRAY_V2;
typedef struct _EXT2_PERF_STATISTICS_V1 {
/* totoal number of processed/being processed requests */
struct {
ULONG Processed;
ULONG Current;
} Irps [IRP_MJ_MAXIMUM_FUNCTION + 1];
/* structure size */
EXT2_STAT_ARRAY_V1 Unit;
/* current memory allocation statistics */
EXT2_STAT_ARRAY_V1 Current;
/* memory allocated in bytes */
EXT2_STAT_ARRAY_V1 Size;
/* totoal memory allocation statistics */
EXT2_STAT_ARRAY_V1 Total;
} EXT2_PERF_STATISTICS_V1, *PEXT2_PERF_STATISTICS_V1;
#define EXT2_PERF_STAT_MAGIC '2SPE'
#define EXT2_PERF_STAT_VER2 2
typedef struct _EXT2_PERF_STATISTICS_V2 {
ULONG Magic; /* EPS2 */
USHORT Version; /* 02 */
USHORT Length; /* sizeof(EXT2_PERF_STATISTICS_V2) */
/* totoal number of processed/being processed requests */
struct {
ULONG Processed;
ULONG Current;
} Irps [IRP_MJ_MAXIMUM_FUNCTION + 1];
/* structure size */
EXT2_STAT_ARRAY_V2 Unit;
/* current memory allocation statistics */
EXT2_STAT_ARRAY_V2 Current;
/* memory allocated in bytes */
EXT2_STAT_ARRAY_V2 Size;
/* totoal memory allocation statistics */
EXT2_STAT_ARRAY_V2 Total;
} EXT2_PERF_STATISTICS_V2, *PEXT2_PERF_STATISTICS_V2;
/* volume property ... */
#define EXT2_VOLUME_PROPERTY_MAGIC 'EVPM'
#define EXT2_FLAG_VP_SET_GLOBAL 0x00000001
#define APP_CMD_QUERY_VERSION 0x00000000 /* with global flag set */
#define APP_CMD_QUERY_CODEPAGES 0x00000001
#define APP_CMD_QUERY_PROPERTY 0x00000002
#define APP_CMD_SET_PROPERTY 0x00000003
#define APP_CMD_QUERY_PROPERTY2 0x00000004
#define APP_CMD_SET_PROPERTY2 0x00000005
#define APP_CMD_QUERY_PROPERTY3 0x00000006
#define APP_CMD_SET_PROPERTY3 0x00000007
#define CODEPAGE_MAXLEN 0x20
#define HIDINGPAT_LEN 0x20
typedef struct _EXT2_VOLUME_PROPERTY {
ULONG Magic;
ULONG Flags;
ULONG Command;
BOOLEAN bReadonly;
BOOLEAN bExt3Writable;
BOOLEAN bExt2;
BOOLEAN bExt3;
CHAR Codepage[CODEPAGE_MAXLEN];
} EXT2_VOLUME_PROPERTY, *PEXT2_VOLUME_PROPERTY;
#ifdef __cplusplus
typedef struct _EXT2_VOLUME_PROPERTY2:EXT2_VOLUME_PROPERTY {
#else // __cplusplus
typedef struct _EXT2_VOLUME_PROPERTY2 {
EXT2_VOLUME_PROPERTY ;
#endif // __cplusplus
/* new volume properties added after version 0.35 */
/* volume uuid */
__u8 UUID[16];
/* mount point: driver letter only */
UCHAR DrvLetter;
/* checking bitmap */
BOOLEAN bCheckBitmap;
/* global hiding patterns */
BOOLEAN bHidingPrefix;
BOOLEAN bHidingSuffix;
CHAR sHidingPrefix[HIDINGPAT_LEN];
CHAR sHidingSuffix[HIDINGPAT_LEN];
} EXT2_VOLUME_PROPERTY2, *PEXT2_VOLUME_PROPERTY2;
#define EXT2_VPROP3_AUTOMOUNT (1ULL << 0)
#define EXT2_VPROP3_USERIDS (1ULL << 1)
#ifdef __cplusplus
typedef struct _EXT2_VOLUME_PROPERTY3:EXT2_VOLUME_PROPERTY2 {
#else // __cplusplus
typedef struct _EXT2_VOLUME_PROPERTY3 {
EXT2_VOLUME_PROPERTY2 ;
#endif // __cplusplus
unsigned __int64 Flags2;
ULONG AutoMount:1;
ULONG EIDS:1;
ULONG Reserved1:30;
USHORT uid;
USHORT gid;
USHORT euid;
USHORT egid;
ULONG Reserved2[29];
} EXT2_VOLUME_PROPERTY3, *PEXT2_VOLUME_PROPERTY3;
/* Ext2Fsd driver version and built time */
typedef struct _EXT2_VOLUME_PROPERTY_VERSION {
ULONG Magic;
ULONG Flags;
ULONG Command;
CHAR Version[0x1C];
CHAR Time[0x20];
CHAR Date[0x20];
} EXT2_VOLUME_PROPERTY_VERSION, *PEXT2_VOLUME_PROPERTY_VERSION;
/* performance statistics */
#define EXT2_QUERY_PERFSTAT_MAGIC 'EVPM'
#define EXT2_QUERY_PERFSTAT_VER2 0x8000000
typedef struct _EXT2_QUERY_PERFSTAT {
ULONG Magic;
ULONG Flags;
ULONG Command;
union {
EXT2_PERF_STATISTICS_V1 PerfStatV1;
EXT2_PERF_STATISTICS_V2 PerfStatV2;
};
} EXT2_QUERY_PERFSTAT, *PEXT2_QUERY_PERFSTAT;
#define EXT2_QUERY_PERFSTAT_SZV1 (FIELD_OFFSET(EXT2_QUERY_PERFSTAT, PerfStatV1) + sizeof(EXT2_PERF_STATISTICS_V1))
#define EXT2_QUERY_PERFSTAT_SZV2 (FIELD_OFFSET(EXT2_QUERY_PERFSTAT, PerfStatV1) + sizeof(EXT2_PERF_STATISTICS_V2))
/* mountpoint management */
#define EXT2_APP_MOUNTPOINT_MAGIC 'EAMM'
typedef struct _EXT2_MOUNT_POINT {
ULONG Magic;
ULONG Flags;
ULONG Size;
ULONG Command;
USHORT Link[256];
USHORT Name[256];
} EXT2_MOUNT_POINT, *PEXT2_MOUNT_POINT;
#define APP_CMD_ADD_DOS_SYMLINK 0x00000001
#define APP_CMD_DEL_DOS_SYMLINK 0x00000002
#endif /* _EXT2_COMMON_INCLUDE_ */
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