livefiles_cs_plugin/lf_cs.h

   1 //
   2 // Copyright (c) 2019-2019 Apple Inc. All rights reserved.
   3 //
   4 // lf_cs.h - Defines macros for livefiles Apple_CoreStorage plugin.
   5 //
   6
   7 #ifndef _LF_CS_H
   8 #define _LF_CS_H
   9
  10 #include <UserFS/UserVFS.h>
  11
  12 //
  13 // Device/Block alignment and rounding.
  14 //
  15 #define CS_HOWMANY(_n, _b) howmany(_n, _b)
  16 #define CS_ALIGN(_n, _b, _up)\
  17         (((_up) ? CS_HOWMANY(_n, _b) : ((_n) / (_b))) * (_b))
  18
  19 #define CS_STATUS(_s)           ((_s) & 0x000FFFFF)
  20 #define CS_STATUS_OK            0x00000000      // No error.
  21 #define CS_STATUS_NOTCS         0x00000001      // Not a current CS volume.
  22 #define CS_STATUS_CKSUM         0x00000002      // Cksum mismatch.
  23 #define CS_STATUS_BLKTYPE       0x00000004      // Incorrect block type.
  24 #define CS_STATUS_INVALID       0x00000008      // Invalid field value.
  25 #define CS_STATUS_ADDRESS       0x00000010      // Invalid laddr/vaddr.
  26 #define CS_STATUS_TXG           0x00000020      // Invalid transaction.
  27 #define CS_STATUS_UUID          0x00000040      // Inconsistent UUID.
  28
  29
  30 #define CS_INFO(_s)             ((_s) & 0xFFF00000)
  31 #define CS_INFO_VERSIONITIS     0x00100000      // Incompatible CS volume format
  32 #define CS_INFO_ZERO_VH         0x02000000      // In-progress CS volume forma
  33
  34 #endif /* _LF_CS_H */