cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

ocfs1_fs_compat.h (2295B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * ocfs1_fs_compat.h
      4 *
      5 * OCFS1 volume header definitions.  OCFS2 creates valid but unmountable
      6 * OCFS1 volume headers on the first two sectors of an OCFS2 volume.
      7 * This allows an OCFS1 volume to see the partition and cleanly fail to
      8 * mount it.
      9 *
     10 * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
     11 */
     12
     13#ifndef _OCFS1_FS_COMPAT_H
     14#define _OCFS1_FS_COMPAT_H
     15
     16#define OCFS1_MAX_VOL_SIGNATURE_LEN          128
     17#define OCFS1_MAX_MOUNT_POINT_LEN            128
     18#define OCFS1_MAX_VOL_ID_LENGTH               16
     19#define OCFS1_MAX_VOL_LABEL_LEN               64
     20#define OCFS1_MAX_CLUSTER_NAME_LEN            64
     21
     22#define OCFS1_MAJOR_VERSION              (2)
     23#define OCFS1_MINOR_VERSION              (0)
     24#define OCFS1_VOLUME_SIGNATURE		 "OracleCFS"
     25
     26/*
     27 * OCFS1 superblock.  Lives at sector 0.
     28 */
     29struct ocfs1_vol_disk_hdr
     30{
     31/*00*/	__u32 minor_version;
     32	__u32 major_version;
     33/*08*/	__u8 signature[OCFS1_MAX_VOL_SIGNATURE_LEN];
     34/*88*/	__u8 mount_point[OCFS1_MAX_MOUNT_POINT_LEN];
     35/*108*/	__u64 serial_num;
     36/*110*/	__u64 device_size;
     37	__u64 start_off;
     38/*120*/	__u64 bitmap_off;
     39	__u64 publ_off;
     40/*130*/	__u64 vote_off;
     41	__u64 root_bitmap_off;
     42/*140*/	__u64 data_start_off;
     43	__u64 root_bitmap_size;
     44/*150*/	__u64 root_off;
     45	__u64 root_size;
     46/*160*/	__u64 cluster_size;
     47	__u64 num_nodes;
     48/*170*/	__u64 num_clusters;
     49	__u64 dir_node_size;
     50/*180*/	__u64 file_node_size;
     51	__u64 internal_off;
     52/*190*/	__u64 node_cfg_off;
     53	__u64 node_cfg_size;
     54/*1A0*/	__u64 new_cfg_off;
     55	__u32 prot_bits;
     56	__s32 excl_mount;
     57/*1B0*/
     58};
     59
     60
     61struct ocfs1_disk_lock
     62{
     63/*00*/	__u32 curr_master;
     64	__u8 file_lock;
     65	__u8 compat_pad[3];  /* Not in original definition.  Used to
     66				make the already existing alignment
     67				explicit */
     68	__u64 last_write_time;
     69/*10*/	__u64 last_read_time;
     70	__u32 writer_node_num;
     71	__u32 reader_node_num;
     72/*20*/	__u64 oin_node_map;
     73	__u64 dlock_seq_num;
     74/*30*/
     75};
     76
     77/*
     78 * OCFS1 volume label.  Lives at sector 1.
     79 */
     80struct ocfs1_vol_label
     81{
     82/*00*/	struct ocfs1_disk_lock disk_lock;
     83/*30*/	__u8 label[OCFS1_MAX_VOL_LABEL_LEN];
     84/*70*/	__u16 label_len;
     85/*72*/	__u8 vol_id[OCFS1_MAX_VOL_ID_LENGTH];
     86/*82*/	__u16 vol_id_len;
     87/*84*/	__u8 cluster_name[OCFS1_MAX_CLUSTER_NAME_LEN];
     88/*A4*/	__u16 cluster_name_len;
     89/*A6*/
     90};
     91
     92
     93#endif /* _OCFS1_FS_COMPAT_H */
     94