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/*====================================================================
* os_pfs.h
*
* Copyright 1995, Silicon Graphics, Inc.
* All Rights Reserved.
*
* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,
* Inc.; the contents of this file may not be disclosed to third
* parties, copied or duplicated in any form, in whole or in part,
* without the prior written permission of Silicon Graphics, Inc.
*
* RESTRICTED RIGHTS LEGEND:
* Use, duplication or disclosure by the Government is subject to
* restrictions as set forth in subdivision (c)(1)(ii) of the Rights
* in Technical Data and Computer Software clause at DFARS
* 252.227-7013, and/or in similar or successor clauses in the FAR,
* DOD or NASA FAR Supplement. Unpublished - rights reserved under the
* Copyright Laws of the United States.
*====================================================================*/
/*---------------------------------------------------------------------*
Copyright (C) 1998 Nintendo. (Originated by SGI)
$RCSfile: os_pfs.h,v $
$Revision: 1.1 $
$Date: 1998/10/09 08:01:16 $
*---------------------------------------------------------------------*/
#ifndef _OS_PFS_H_
#define _OS_PFS_H_
#ifdef _LANGUAGE_C_PLUS_PLUS
extern "C" {
#endif
#include <PR/ultratypes.h>
#include "os_message.h"
#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
/**************************************************************************
*
* Type definitions
*
*/
/*
* Structure for file system
*/
typedef struct {
int status;
OSMesgQueue *queue;
int channel;
u8 id[32];
u8 label[32];
int version;
int dir_size;
int inode_table; /* block location */
int minode_table; /* mirrioring inode_table */
int dir_table; /* block location */
int inode_start_page; /* page # */
u8 banks;
u8 activebank;
} OSPfs;
typedef struct {
u32 file_size; /* bytes */
u32 game_code;
u16 company_code;
char ext_name[4];
char game_name[16];
} OSPfsState;
#endif /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */
/**************************************************************************
*
* Global definitions
*
*/
/* File System size */
#define OS_PFS_VERSION 0x0200
#define OS_PFS_VERSION_HI (OS_PFS_VERSION >> 8)
#define OS_PFS_VERSION_LO (OS_PFS_VERSION & 255)
#define PFS_INODE_SIZE_PER_PAGE 128
#define PFS_FILE_NAME_LEN 16
#define PFS_FILE_EXT_LEN 4
#define BLOCKSIZE 32 /* bytes */
#define PFS_ONE_PAGE 8 /* blocks */
#define PFS_MAX_BANKS 62
/* File System flag */
#define PFS_READ 0
#define PFS_WRITE 1
#define PFS_CREATE 2
/* File System status */
#define PFS_INITIALIZED 0x1
#define PFS_CORRUPTED 0x2
#define PFS_ID_BROKEN 0x4
#define PFS_MOTOR_INITIALIZED 0x8
#define PFS_GBPAK_INITIALIZED 0x10
/* Definition for page usage */
#define PFS_EOF 1
#define PFS_PAGE_NOT_EXIST 2
#define PFS_PAGE_NOT_USED 3
/* File System error number */
#define PFS_ERR_NOPACK 1 /* no memory card is plugged or */
#define PFS_ERR_NEW_PACK 2 /* ram pack has been changed to a different one */
#define PFS_ERR_INCONSISTENT 3 /* need to run Pfschecker*/
#define PFS_ERR_CONTRFAIL CONT_OVERRUN_ERROR
#define PFS_ERR_INVALID 5 /* invalid parameter or file not exist*/
#define PFS_ERR_BAD_DATA 6 /* the data read from pack are bad*/
#define PFS_DATA_FULL 7 /* no free pages on ram pack*/
#define PFS_DIR_FULL 8 /* no free directories on ram pack*/
#define PFS_ERR_EXIST 9 /* file exists*/
#define PFS_ERR_ID_FATAL 10 /* dead ram pack */
#define PFS_ERR_DEVICE 11 /* wrong device type*/
#define PFS_ERR_NO_GBCART 12 /* no gb cartridge (64GB-PAK) */
#define PFS_ERR_NEW_GBCART 13 /* gb cartridge may be changed */
/* Definition for bank */
#define PFS_ID_BANK_256K 0
#define PFS_ID_BANK_1M 4
#define PFS_BANKS_256K 1
#define PFS_WRITTEN 2
#define DEF_DIR_PAGES 2
#define PFS_ID_0AREA 1
#define PFS_ID_1AREA 3
#define PFS_ID_2AREA 4
#define PFS_ID_3AREA 6
#define PFS_LABEL_AREA 7
#define PFS_ID_PAGE PFS_ONE_PAGE * 0
#define PFS_BANK_LAPPED_BY 8 /* => u8 */
#define PFS_SECTOR_PER_BANK 32
#define PFS_INODE_DIST_MAP (PFS_BANK_LAPPED_BY * PFS_SECTOR_PER_BANK)
#define PFS_SECTOR_SIZE (PFS_INODE_SIZE_PER_PAGE/PFS_SECTOR_PER_BANK)
#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
/**************************************************************************
*
* Macro definitions
*
*/
/**************************************************************************
*
* Extern variables
*
*/
/**************************************************************************
*
* Function prototypes
*
*/
/* file system interface */
extern s32 osPfsInitPak(OSMesgQueue *, OSPfs *, int);
extern s32 osPfsRepairId(OSPfs *);
extern s32 osPfsInit(OSMesgQueue *, OSPfs *, int);
extern s32 osPfsReFormat(OSPfs *, OSMesgQueue *, int);
extern s32 osPfsChecker(OSPfs *);
extern s32 osPfsAllocateFile(OSPfs *, u16, u32, u8 *, u8 *, int, s32 *);
extern s32 osPfsFindFile(OSPfs *, u16, u32, u8 *, u8 *, s32 *);
extern s32 osPfsDeleteFile(OSPfs *, u16, u32, u8 *, u8 *);
extern s32 osPfsReadWriteFile(OSPfs *, s32, u8, int, int, u8 *);
extern s32 osPfsFileState(OSPfs *, s32, OSPfsState *);
extern s32 osPfsGetLabel(OSPfs *, u8 *, int *);
extern s32 osPfsSetLabel(OSPfs *, u8 *);
extern s32 osPfsIsPlug(OSMesgQueue *, u8 *);
extern s32 osPfsFreeBlocks(OSPfs *, s32 *);
extern s32 osPfsNumFiles(OSPfs *, s32 *, s32 *);
#endif /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */
#ifdef _LANGUAGE_C_PLUS_PLUS
}
#endif
#endif /* !_OS_PFS_H_ */
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