drivers/filesystems/fs_rec/btrfs.h

   1 /*
   2  * COPYRIGHT:        See COPYING in the top level directory
   3  * PROJECT:          ReactOS File System Recognizer
   4  * FILE:             drivers/filesystems/fs_rec/btrfs.h
   5  * PURPOSE:          BTRFS Header File
   6  * PROGRAMMER:       Peter Hater
   7  *                   Pierre Schweitzer (pierre@reactos.org)
   8  */
   9
  10 #include <pshpack1.h>
  11 typedef struct {
  12     UINT8 uuid[16];
  13 } BTRFS_UUID;
  14
  15 typedef struct _BTRFS_SUPER_BLOCK {
  16     UINT8 checksum[32];
  17     BTRFS_UUID uuid;
  18     UINT64 sb_phys_addr;
  19     UINT64 flags;
  20     UINT64 magic;
  21         // Partial
  22 } BTRFS_SUPER_BLOCK, *PBTRFS_SUPER_BLOCK;
  23 #include <poppack.h>
  24
  25 C_ASSERT(FIELD_OFFSET(BTRFS_SUPER_BLOCK, uuid) == 0x20);
  26 C_ASSERT(FIELD_OFFSET(BTRFS_SUPER_BLOCK, sb_phys_addr) == 0x30);
  27 C_ASSERT(FIELD_OFFSET(BTRFS_SUPER_BLOCK, magic) == 0x40);
  28
  29 #define BTRFS_MAGIC 0x4d5f53665248425f
  30 #define BTRFS_SB_OFFSET 0x10000
  31 #define BTRFS_SB_SIZE 0x1000