reactos/drivers/filesystems/btrfs/btrfsioctl.h

   1 // No copyright claimed in this file - do what you want with it.
   2
   3 #ifndef BTRFSIOCTL_H_DEFINED
   4 #define BTRFSIOCTL_H_DEFINED
   5
   6 #define FSCTL_BTRFS_GET_FILE_IDS CTL_CODE(FILE_DEVICE_UNKNOWN, 0x829, METHOD_OUT_DIRECT, FILE_ANY_ACCESS)
   7 #define FSCTL_BTRFS_CREATE_SUBVOL CTL_CODE(FILE_DEVICE_UNKNOWN, 0x82a, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
   8 #define FSCTL_BTRFS_CREATE_SNAPSHOT CTL_CODE(FILE_DEVICE_UNKNOWN, 0x82b, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
   9 #define FSCTL_BTRFS_GET_INODE_INFO CTL_CODE(FILE_DEVICE_UNKNOWN, 0x82c, METHOD_OUT_DIRECT, FILE_ANY_ACCESS)
  10 #define FSCTL_BTRFS_SET_INODE_INFO CTL_CODE(FILE_DEVICE_UNKNOWN, 0x82d, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
  11 #define FSCTL_BTRFS_GET_DEVICES CTL_CODE(FILE_DEVICE_UNKNOWN, 0x82e, METHOD_OUT_DIRECT, FILE_ANY_ACCESS)
  12 #define FSCTL_BTRFS_GET_USAGE CTL_CODE(FILE_DEVICE_UNKNOWN, 0x82f, METHOD_OUT_DIRECT, FILE_ANY_ACCESS)
  13 #define FSCTL_BTRFS_START_BALANCE CTL_CODE(FILE_DEVICE_UNKNOWN, 0x830, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
  14 #define FSCTL_BTRFS_QUERY_BALANCE CTL_CODE(FILE_DEVICE_UNKNOWN, 0x831, METHOD_OUT_DIRECT, FILE_ANY_ACCESS)
  15 #define FSCTL_BTRFS_PAUSE_BALANCE CTL_CODE(FILE_DEVICE_UNKNOWN, 0x832, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
  16 #define FSCTL_BTRFS_RESUME_BALANCE CTL_CODE(FILE_DEVICE_UNKNOWN, 0x833, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
  17 #define FSCTL_BTRFS_STOP_BALANCE CTL_CODE(FILE_DEVICE_UNKNOWN, 0x834, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
  18 #define FSCTL_BTRFS_ADD_DEVICE CTL_CODE(FILE_DEVICE_UNKNOWN, 0x835, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
  19 #define FSCTL_BTRFS_REMOVE_DEVICE CTL_CODE(FILE_DEVICE_UNKNOWN, 0x836, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
  20 #define IOCTL_BTRFS_QUERY_FILESYSTEMS CTL_CODE(FILE_DEVICE_UNKNOWN, 0x837, METHOD_OUT_DIRECT, FILE_ANY_ACCESS)
  21 #define FSCTL_BTRFS_GET_UUID CTL_CODE(FILE_DEVICE_UNKNOWN, 0x838, METHOD_OUT_DIRECT, FILE_ANY_ACCESS)
  22
  23 typedef struct {
  24     UINT64 subvol;
  25     UINT64 inode;
  26     BOOL top;
  27 } btrfs_get_file_ids;
  28
  29 typedef struct {
  30     HANDLE subvol;
  31     UINT32 namelen;
  32     WCHAR name[1];
  33 } btrfs_create_snapshot;
  34
  35 typedef struct {
  36     UINT64 subvol;
  37     UINT64 inode;
  38     BOOL top;
  39     UINT8 type;
  40     UINT32 st_uid;
  41     UINT32 st_gid;
  42     UINT32 st_mode;
  43     UINT64 st_rdev;
  44     UINT64 flags;
  45     UINT32 inline_length;
  46     UINT64 disk_size[3];
  47 } btrfs_inode_info;
  48
  49 typedef struct {
  50     UINT64 flags;
  51     BOOL flags_changed;
  52     UINT32 st_uid;
  53     BOOL uid_changed;
  54     UINT32 st_gid;
  55     BOOL gid_changed;
  56     UINT32 st_mode;
  57     BOOL mode_changed;
  58 } btrfs_set_inode_info;
  59
  60 typedef struct {
  61     UINT32 next_entry;
  62     UINT64 dev_id;
  63     UINT64 size;
  64     BOOL readonly;
  65     ULONG device_number;
  66     ULONG partition_number;
  67     USHORT namelen;
  68     WCHAR name[1];
  69 } btrfs_device;
  70
  71 typedef struct {
  72     UINT64 dev_id;
  73     UINT64 alloc;
  74 } btrfs_usage_device;
  75
  76 typedef struct {
  77     UINT32 next_entry;
  78     UINT64 type;
  79     UINT64 size;
  80     UINT64 used;
  81     UINT64 num_devices;
  82     btrfs_usage_device devices[1];
  83 } btrfs_usage;
  84
  85 #define BTRFS_BALANCE_OPTS_ENABLED      0x001
  86 #define BTRFS_BALANCE_OPTS_PROFILES     0x002
  87 #define BTRFS_BALANCE_OPTS_DEVID        0x004
  88 #define BTRFS_BALANCE_OPTS_DRANGE       0x008
  89 #define BTRFS_BALANCE_OPTS_VRANGE       0x010
  90 #define BTRFS_BALANCE_OPTS_LIMIT        0x020
  91 #define BTRFS_BALANCE_OPTS_STRIPES      0x040
  92 #define BTRFS_BALANCE_OPTS_USAGE        0x080
  93 #define BTRFS_BALANCE_OPTS_CONVERT      0x100
  94 #define BTRFS_BALANCE_OPTS_SOFT         0x200
  95
  96 #define BLOCK_FLAG_SINGLE 0x1000000000000 // only used in balance
  97
  98 typedef struct {
  99     UINT64 flags;
 100     UINT64 profiles;
 101     UINT64 devid;
 102     UINT64 drange_start;
 103     UINT64 drange_end;
 104     UINT64 vrange_start;
 105     UINT64 vrange_end;
 106     UINT64 limit_start;
 107     UINT64 limit_end;
 108     UINT16 stripes_start;
 109     UINT16 stripes_end;
 110     UINT8 usage_start;
 111     UINT8 usage_end;
 112     UINT64 convert;
 113 } btrfs_balance_opts;
 114
 115 #define BTRFS_BALANCE_STOPPED   0
 116 #define BTRFS_BALANCE_RUNNING   1
 117 #define BTRFS_BALANCE_PAUSED    2
 118 #define BTRFS_BALANCE_REMOVAL   4
 119 #define BTRFS_BALANCE_ERROR     8
 120
 121 typedef struct {
 122     UINT32 status;
 123     UINT64 chunks_left;
 124     UINT64 total_chunks;
 125     NTSTATUS error;
 126     btrfs_balance_opts data_opts;
 127     btrfs_balance_opts metadata_opts;
 128     btrfs_balance_opts system_opts;
 129 } btrfs_query_balance;
 130
 131 typedef struct {
 132     btrfs_balance_opts opts[3];
 133 } btrfs_start_balance;
 134
 135 typedef struct {
 136     UINT8 uuid[16];
 137     USHORT name_length;
 138     WCHAR name[1];
 139 } btrfs_filesystem_device;
 140
 141 typedef struct {
 142     UINT32 next_entry;
 143     UINT8 uuid[16];
 144     UINT32 num_devices;
 145     btrfs_filesystem_device device;
 146 } btrfs_filesystem;
 147
 148 #endif