modules/ps2fs/pfs.h

   1 /*
   2 # _____     ___ ____     ___ ____
   3 #  ____|   |    ____|   |        | |____|
   4 # |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
   5 #-----------------------------------------------------------------------
   6 # Copyright 2001-2004, ps2dev - http://www.ps2dev.org
   7 # Licenced under Academic Free License version 2.0
   8 # Review ps2sdk README & LICENSE files for further details.
   9 #
  10 # $Id: pfs.h 1421 2007-07-07 01:56:53Z radad $
  11 */
  12
  13 #ifndef _PFS_H
  14 #define _PFS_H
  15
  16 #include <types.h>
  17 #include <defs.h>
  18 #include <irx.h>
  19 #include <loadcore.h>
  20 #include <poweroff.h>
  21 #include <sysmem.h>
  22 #include <stdio.h>
  23 #include <sysclib.h>
  24 #include <errno.h>
  25 #include <sys/fcntl.h>
  26 #include <sys/stat.h>
  27 #include <iomanX.h>
  28 #include <thsemap.h>
  29 #include <intrman.h>
  30 #include <cdvdman.h>
  31
  32 #include "pfs_types.h"
  33
  34 #ifndef min
  35 #define min(a, b)       ((a) < (b) ? (a) : (b))
  36 #endif
  37
  38 #define PFS_MAJOR       1
  39 #define PFS_MINOR       0
  40
  41 ///////////////////////////////////////////////////////////////////////////////
  42 //   Global types
  43
  44 typedef int (*deviceTransfer_p)(int fd, void *buffer, /*u16*/u32 sub, u32 sector, u32 size, u32 mode);
  45 typedef u32 (*deviceGetSubNumber_p)(int fd);
  46 typedef u32 (*deviceGetSize_p)(int fd, /*u16*/u32 sub/*0=main 1+=subs*/);
  47 typedef void (*deviceSetPartError_p)(int fd);
  48 typedef int/*0 only :P*/ (*deviceFlushCache_p)(int fd);
  49
  50 typedef struct {
  51         char                                    *devName;                       //
  52         deviceTransfer_p                transfer;                       //
  53         deviceGetSubNumber_p    getSubNumber;           //
  54         deviceGetSize_p                 getSize;                        //
  55         deviceSetPartError_p    setPartitionError;      // set open partition as haveing a error
  56         deviceFlushCache_p              flushCache;                     //
  57
  58 } block_device;
  59
  60
  61 typedef struct {
  62         block_device *blockDev;         // call table for hdd(hddCallTable)
  63         int fd;                                         //
  64         u32 flags;                                      // rename to attr ones checked
  65         u32 total_sector;                       // number of sectors in the filesystem
  66         u32 zfree;                                      // zone free
  67         u32 sector_scale;                       //
  68         u32 inode_scale;                        //
  69         u32 zsize;                                      // zone size
  70         u32 num_subs;                           // number of sub partitions in the filesystem
  71         pfs_blockinfo root_dir;         // block info for root directory
  72         pfs_blockinfo log;                      // block info for the log
  73         pfs_blockinfo current_dir;      // block info for current directory
  74         u32 lastError;                          // 0 if no error :)
  75         u16 uid;                                        //
  76         u16 gid;                                        //
  77         u32 free_zone[65];                      // free zones in each partition (1 main + 64 possible subs)
  78 } pfs_mount_t;
  79
  80 typedef struct pfs_cache_s {
  81         struct pfs_cache_s *next;       //
  82         struct pfs_cache_s *prev;       //
  83         u16 flags;                                      //
  84         u16 nused;                                      //
  85         pfs_mount_t *pfsMount;          //
  86         u32 sub;                                        // main(0)/sub(+1) partition
  87         u32 sector;                                     // block/sector for partition
  88         union{                                          //
  89                 void *data;
  90                 pfs_inode *inode;
  91                 pfs_aentry_t *aentry;
  92                 pfs_dentry *dentry;
  93                 pfs_super_block *superblock;
  94                 u32     *bitmap;
  95         } u;
  96 } pfs_cache_t;
  97
  98 typedef struct
  99 {
 100         u16 dirty;      //
 101         u16 sub;        // Sub/main partition
 102         u32 sector;     // Sector
 103 } pfs_restsInfo_t;
 104
 105 typedef struct
 106 {
 107         char key[256];
 108         char value[256];
 109 } pfs_ioctl2attr_t;
 110
 111 typedef struct
 112 {
 113         pfs_cache_t *inode;
 114         u32 block_segment;              // index into data array in inode structure for current zone segment
 115         u32 block_offset;               // block offset from start of current zone segment
 116         u32 byte_offset;                // byte offset into current zone
 117 } pfs_blockpos_t;
 118
 119 typedef struct {
 120         iop_file_t *fd;                         //
 121         pfs_cache_t *clink;                     //
 122         u32 aentryOffset;                       // used for read offset
 123         u64 position;                           //
 124         pfs_blockpos_t block_pos;       // current position into file
 125         pfs_restsInfo_t restsInfo;      //
 126         u8 restsBuffer[512];            // used for reading mis-aligned/remainder data
 127 } pfs_file_slot_t;
 128
 129 typedef struct {
 130         u32 maxMount;
 131         u32 maxOpen;
 132 } pfs_config_t;
 133
 134 ///////////////////////////////////////////////////////////////////////////////
 135 //   Global defines
 136
 137 // attribute flags
 138 #define FIO_ATTR_READABLE               0x0001
 139 #define FIO_ATTR_WRITEABLE              0x0002
 140 #define FIO_ATTR_EXECUTABLE             0x0004
 141 #define FIO_ATTR_COPYPROTECT    0x0008
 142 #define FIO_ATTR_UNK0010                0x0010
 143 #define FIO_ATTR_SUBDIR                 0x0020
 144 #define FIO_ATTR_UNK0040                0x0040
 145 #define FIO_ATTR_CLOSED                 0x0080
 146 #define FIO_ATTR_UNK0100                0x0100
 147 #define FIO_ATTR_UNK0200                0x0200
 148 #define FIO_ATTR_UNK0400                0x0400
 149 #define FIO_ATTR_PDA                    0x0800
 150 #define FIO_ATTR_PSX                    0x1000
 151 #define FIO_ATTR_UNK2000                0x2000
 152 #define FIO_ATTR_HIDDEN                 0x4000
 153
 154 // cache flags(status)
 155 #define CACHE_FLAG_DIRTY                0x01
 156 #define CACHE_FLAG_NOLOAD               0x02
 157 #define CACHE_FLAG_MASKSTATUS   0x0F
 158
 159 // cache flags(types)
 160 #define CACHE_FLAG_NOTHING              0x00
 161 #define CACHE_FLAG_SEGD                 0x10
 162 #define CACHE_FLAG_SEGI                 0x20
 163 #define CACHE_FLAG_BITMAP               0x40
 164 #define CACHE_FLAG_MASKTYPE             0xF0
 165
 166 // fsck stats
 167 #define FSCK_STAT_OK                    0x00
 168 #define FSCK_STAT_WRITE_ERROR   0x01
 169 #define FSCK_STAT_ERROR_0x02    0x02
 170
 171 // odd and end
 172 #define MODE_SET_FLAG                   0x00
 173 #define MODE_REMOVE_FLAG                0x01
 174 #define MODE_CHECK_FLAG                 0x02
 175
 176 // mount flags
 177 #define MOUNT_BUSY                              0x8000
 178
 179 ///////////////////////////////////////////////////////////////////////////////
 180 //   Externs
 181
 182 extern pfs_file_slot_t *fileSlots;
 183 extern pfs_config_t pfsConfig;
 184 extern pfs_cache_t *cacheBuf;
 185 extern u32 numBuffers;
 186 extern u32 metaSize;
 187 extern int blockSize;
 188 extern pfs_mount_t *pfsMountBuf;
 189 extern int symbolicLinks;
 190 extern int pfsFioSema;
 191
 192 ///////////////////////////////////////////////////////////////////////////////
 193 //   Function declerations
 194
 195 pfs_mount_t * getMountedUnit(u32 unit);
 196 void clearMount(pfs_mount_t *pfsMount);
 197
 198 extern int pfsDebug;
 199
 200 ///////////////////////////////////////////////////////////////////////////////
 201 //   Debug stuff
 202
 203 #define DEBUG_CALL_LOG
 204 #define DEBUG_VERBOSE_LOG
 205
 206 #ifdef DEBUG_VERBOSE_LOG
 207 #define dprintf if(pfsDebug) printf
 208 #else
 209 #define dprintf(format, args...)
 210 #endif
 211
 212 #ifdef DEBUG_CALL_LOG
 213 #define dprintf2 if(pfsDebug) printf
 214 #else
 215 #define dprintf2(format, args...)
 216 #endif
 217
 218 #include "misc.h"
 219 #include "bitmap.h"
 220 #include "dir.h"
 221 #include "inode.h"
 222 #include "journal.h"
 223 #include "super.h"
 224 #include "cache.h"
 225 #include "block.h"
 226 #include "pfs_fio.h"
 227 #include "pfs_fioctl.h"
 228
 229 #endif /* _PFS_H */