^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * ldm - Part of the Linux-NTFS project.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2001,2002 Richard Russon <ldm@flatcap.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (c) 2001-2007 Anton Altaparmakov
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (C) 2001,2002 Jakob Kemi <jakob.kemi@telia.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Documentation is available at http://www.linux-ntfs.org/doku.php?id=downloads
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #ifndef _FS_PT_LDM_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define _FS_PT_LDM_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/list.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/genhd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <asm/unaligned.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <asm/byteorder.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct parsed_partitions;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) /* Magic numbers in CPU format. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define MAGIC_VMDB 0x564D4442 /* VMDB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define MAGIC_VBLK 0x56424C4B /* VBLK */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define MAGIC_PRIVHEAD 0x5052495648454144ULL /* PRIVHEAD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define MAGIC_TOCBLOCK 0x544F43424C4F434BULL /* TOCBLOCK */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) /* The defined vblk types. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define VBLK_VOL5 0x51 /* Volume, version 5 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define VBLK_CMP3 0x32 /* Component, version 3 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define VBLK_PRT3 0x33 /* Partition, version 3 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define VBLK_DSK3 0x34 /* Disk, version 3 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define VBLK_DSK4 0x44 /* Disk, version 4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define VBLK_DGR3 0x35 /* Disk Group, version 3 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define VBLK_DGR4 0x45 /* Disk Group, version 4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) /* vblk flags indicating extra information will be present */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define VBLK_FLAG_COMP_STRIPE 0x10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define VBLK_FLAG_PART_INDEX 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define VBLK_FLAG_DGR3_IDS 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define VBLK_FLAG_DGR4_IDS 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define VBLK_FLAG_VOLU_ID1 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define VBLK_FLAG_VOLU_ID2 0x20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define VBLK_FLAG_VOLU_SIZE 0x80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define VBLK_FLAG_VOLU_DRIVE 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) /* size of a vblk's static parts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define VBLK_SIZE_HEAD 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define VBLK_SIZE_CMP3 22 /* Name and version */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define VBLK_SIZE_DGR3 12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define VBLK_SIZE_DGR4 44
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define VBLK_SIZE_DSK3 12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define VBLK_SIZE_DSK4 45
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define VBLK_SIZE_PRT3 28
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define VBLK_SIZE_VOL5 58
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) /* component types */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define COMP_STRIPE 0x01 /* Stripe-set */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define COMP_BASIC 0x02 /* Basic disk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define COMP_RAID 0x03 /* Raid-set */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) /* Other constants. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define LDM_DB_SIZE 2048 /* Size in sectors (= 1MiB). */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define OFF_PRIV1 6 /* Offset of the first privhead
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) relative to the start of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) device in sectors */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) /* Offsets to structures within the LDM Database in sectors. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define OFF_PRIV2 1856 /* Backup private headers. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define OFF_PRIV3 2047
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define OFF_TOCB1 1 /* Tables of contents. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #define OFF_TOCB2 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) #define OFF_TOCB3 2045
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define OFF_TOCB4 2046
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #define OFF_VMDB 17 /* List of partitions. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #define LDM_PARTITION 0x42 /* Formerly SFS (Landis). */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define TOC_BITMAP1 "config" /* Names of the two defined */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #define TOC_BITMAP2 "log" /* bitmaps in the TOCBLOCK. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct frag { /* VBLK Fragment handling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) u32 group;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) u8 num; /* Total number of records */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) u8 rec; /* This is record number n */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) u8 map; /* Which portions are in use */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) u8 data[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) /* In memory LDM database structures. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) struct privhead { /* Offsets and sizes are in sectors. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) u16 ver_major;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) u16 ver_minor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) u64 logical_disk_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) u64 logical_disk_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) u64 config_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) u64 config_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) uuid_t disk_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) struct tocblock { /* We have exactly two bitmaps. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) u8 bitmap1_name[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) u64 bitmap1_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) u64 bitmap1_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) u8 bitmap2_name[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) u64 bitmap2_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) u64 bitmap2_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) struct vmdb { /* VMDB: The database header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) u16 ver_major;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) u16 ver_minor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) u32 vblk_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) u32 vblk_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) u32 last_vblk_seq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) struct vblk_comp { /* VBLK Component */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) u8 state[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) u64 parent_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) u8 type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) u8 children;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) u16 chunksize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) struct vblk_dgrp { /* VBLK Disk Group */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) u8 disk_id[64];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) struct vblk_disk { /* VBLK Disk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) uuid_t disk_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) u8 alt_name[128];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) struct vblk_part { /* VBLK Partition */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) u64 start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) u64 size; /* start, size and vol_off in sectors */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) u64 volume_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) u64 parent_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) u64 disk_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) u8 partnum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) struct vblk_volu { /* VBLK Volume */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) u8 volume_type[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) u8 volume_state[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) u8 guid[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) u8 drive_hint[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) u64 size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) u8 partition_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) struct vblk_head { /* VBLK standard header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) u32 group;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) u16 rec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) u16 nrec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) struct vblk { /* Generalised VBLK */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) u8 name[64];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) u64 obj_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) u32 sequence;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) u8 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) u8 type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) struct vblk_comp comp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) struct vblk_dgrp dgrp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) struct vblk_disk disk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) struct vblk_part part;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct vblk_volu volu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) } vblk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) struct ldmdb { /* Cache of the database */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) struct privhead ph;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) struct tocblock toc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) struct vmdb vm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) struct list_head v_dgrp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) struct list_head v_disk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) struct list_head v_volu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) struct list_head v_comp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) struct list_head v_part;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) #endif /* _FS_PT_LDM_H_ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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