drivers/nvdimm/pfn.h

   1 /*
   2  * Copyright (c) 2014-2015, Intel Corporation.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms and conditions of the GNU General Public License,
   6  * version 2, as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  */
  13
  14 #ifndef __NVDIMM_PFN_H
  15 #define __NVDIMM_PFN_H
  16
  17 #include <linux/types.h>
  18
  19 #define PFN_SIG_LEN 16
  20 #define PFN_SIG "NVDIMM_PFN_INFO\0"
  21
  22 struct nd_pfn_sb {
  23         u8 signature[PFN_SIG_LEN];
  24         u8 uuid[16];
  25         u8 parent_uuid[16];
  26         __le32 flags;
  27         __le16 version_major;
  28         __le16 version_minor;
  29         __le64 dataoff;
  30         __le64 npfns;
  31         __le32 mode;
  32         u8 padding[4012];
  33         __le64 checksum;
  34 };
  35 #endif /* __NVDIMM_PFN_H */