rom/partition/include/libraries/partition.h

   1 #ifndef PARTITION_H
   2 #define PARTITION_H
   3
   4 /*
   5     Copyright © 2003-2012, The AROS Development Team. All rights reserved.
   6     $Id$
   7 */
   8
   9 #include <devices/trackdisk.h>
  10 #include <dos/filehandler.h>
  11 #include <utility/tagitem.h>
  12 #include <exec/lists.h>
  13 #include <exec/nodes.h>
  14 #include <exec/types.h>
  15 #include <exec/ports.h>
  16
  17 struct PartitionTableInfo
  18 {
  19     ULONG pti_Type;
  20     STRPTR pti_Name;
  21 };
  22
  23 struct PartitionBlockDevice
  24 {
  25     struct MsgPort *port;
  26     struct IOExtTD *ioreq;
  27     ULONG cmdread;
  28     ULONG cmdwrite;
  29 };
  30
  31 struct PartitionTableHandler
  32 {
  33     ULONG type;
  34     struct List list;   /* list of partitions */
  35     void *handler;      /* the handler which handles this partition table */
  36     void *data;         /* private field for the table */
  37 };
  38
  39 struct PartitionHandle
  40 {
  41     struct Node ln;
  42     struct PartitionHandle *root;    /* root partition handle */
  43     struct PartitionBlockDevice *bd; /* block device info */
  44     ULONG flags;
  45     struct PartitionTableHandler *table;
  46     void *data;                      /* a private field for the partition */
  47     struct DriveGeometry dg;         /* geometry of whole partition */
  48     struct DosEnvec de;              /* info about HD/partition including */
  49                                     /* position within root->dg */
  50                                     /* (de_Surfaces==root->dg.Heads,...!!!) */
  51     UBYTE buffer[4096];
  52 };
  53
  54 struct PartitionType
  55 {
  56     UBYTE id[32];
  57     UWORD id_len;
  58 };
  59
  60 /* partition table types */
  61 #define PHPTT_UNKNOWN (0)
  62 #define PHPTT_RDB     (1)
  63 #define PHPTT_MBR     (2)
  64 #define PHPTT_EBR     (3)
  65 #define PHPTT_GPT     (4)
  66
  67 /* partition types */
  68 //nothing defined here ...
  69
  70 /* commands for DoPartition() */
  71
  72 /* Tags for partition tables */
  73 #define PTT_TYPE           (TAG_USER |  1L) /* ULONG - partition table type */
  74 #define PTT_MAXLEADIN      (TAG_USER |  3L) /* ULONG - maximum number of
  75     reserved blocks that may be need to precede a partition for metadata */
  76 #define PTT_RESERVED       (TAG_USER | 32L) /* ULONG - number of reserved blocks at
  77                                                        begining of a partition table */
  78 #define PTT_MAX_PARTITIONS (TAG_USER | 33L) /* ULONG - max number of partitions in table */
  79 #define PTT_STARTBLOCK     (TAG_USER | 34L) /* ULONG - Absolute number of starting block of this logical disk */
  80
  81
  82 /* Tags for partitions */
  83 #define PT_GEOMETRY   (TAG_USER |  1L) /* struct DriveGeometry * - geometry of partition */
  84 #define PT_DOSENVEC   (TAG_USER |  2L) /* struct DosEnvec * - partition layout info */
  85 #define PT_TYPE       (TAG_USER |  3L) /* struct PartitionType * - type of partition */
  86 #define PT_LEADIN     (TAG_USER |  4L) /* ULONG - number of reserved blocks
  87                                          preceding partition for metadata */
  88 #define PT_POSITION   (TAG_USER | 32L) /* ULONG - 1st partition, 2nd ... (Linux: hdX0, hdX1, ... */
  89 #define PT_ACTIVE     (TAG_USER | 33L) /* BOOL - MBR: set/get partition as active */
  90 #define PT_NAME       (TAG_USER | 34L) /* STRPTR - name of partition */
  91 #define PT_BOOTABLE   (TAG_USER | 35L) /* BOOL - partition is bootable */
  92 #define PT_AUTOMOUNT  (TAG_USER | 36L) /* BOOL - partition will be auto mounted */
  93 #define PT_STARTBLOCK (TAG_USER | 37L) /* UQUAD - Number of partition's start block */
  94 #define PT_ENDBLOCK   (TAG_USER | 38L) /* UQUAD - Number of partition's end block */
  95
  96 /* Tags for filesystems */
  97 #define FST_ID          (TAG_USER | 1L) /* ULONG                 - filesystem ID        */
  98 #define FST_NAME        (TAG_USER | 2L) /* STRPTR                - filesystem name      */
  99 #define FST_FSENTRY     (TAG_USER | 3L) /* struct FileSysEntry * - fill in FileSysEntry */
 100 #define FST_VERSION     (TAG_USER | 4L) /* ULONG                 - version number       */
 101
 102 /* Attributes */
 103
 104 struct PartitionAttribute
 105 {
 106     ULONG attribute;
 107     ULONG mode;
 108 };
 109
 110 /* are attributes readable/writeable */
 111 #define PLAM_READ  (1<<0)
 112 #define PLAM_WRITE (1<<1)
 113
 114 /* Obsolete definitions. Don't use them in new code. */
 115 #define PTTA_DONE           TAG_DONE
 116 #define PTTA_TYPE           PTT_TYPE
 117 #define PTTA_MAXLEADIN      PTT_MAXLEADIN
 118 #define PTTA_RESERVED       PTT_RESERVED
 119 #define PTTA_MAX_PARTITIONS PTT_MAX_PARTITIONS
 120
 121 #define PTA_DONE              TAG_DONE
 122 #define PTA_GEOMETRY          PT_GEOMETRY
 123 #define PTA_DOSENVEC          PT_DOSENVEC
 124 #define PTA_LEADIN            PT_LEADIN
 125 #define PTA_TYPE              PT_TYPE
 126 #define PTA_POSITION          PT_POSITION
 127 #define PTA_ACTIVE            PT_ACTIVE
 128 #define PTA_NAME              PT_NAME
 129 #define PTA_BOOTABLE          PT_BOOTABLE
 130 #define PTA_AUTOMOUNT         PT_AUTOMOUNT
 131
 132 struct PartitionBase
 133 {
 134     struct Library lib;
 135     struct PartitionTableInfo **tables;
 136 };
 137
 138 #endif /* PARTITION_H */