ioman.h

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/*
# _____     ___ ____     ___ ____
#  ____|   |    ____|   |        | |____|
# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
#-----------------------------------------------------------------------
# Copyright (c) 2003 Marcus R. Brown <mrbrown@0xd6.org>
# Licenced under Academic Free License version 2.0
# Review ps2sdk README & LICENSE files for further details.
*/

 
#ifndef __IOMAN_H__
#define __IOMAN_H__
 
#include <types.h>
#include <irx.h>
#include <io_common.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
extern int open(const char *name, int mode);
extern int close(int fd);
extern int read(int fd, void *ptr, size_t size);
extern int write(int fd, void *ptr, size_t size);
extern int lseek(int fd, int pos, int mode);
extern int ioctl(int fd, int command, void *arg);
extern int remove(const char *name);
extern int mkdir(const char *path);
extern int rmdir(const char *path);
extern int dopen(const char *path, int mode);
extern int dclose(int fd);
extern int dread(int fd, io_dirent_t *buf);
extern int getstat(const char *name, io_stat_t *stat);
extern int chstat(const char *name, io_stat_t *stat, unsigned int statmask);
extern int format(const char *dev);
 
/* Device drivers.  */
 
/* Device types.  */
#define IOP_DT_CHAR 0x01
#define IOP_DT_CONS 0x02
#define IOP_DT_BLOCK    0x04
#define IOP_DT_RAW  0x08
#define IOP_DT_FS   0x10

typedef struct _iop_file {
    int mode;       
    int unit;       
    struct _iop_device *device; 
    void    *privdata;  
} iop_file_t;
 
typedef struct _iop_device {
    const char *name;
    unsigned int type;
    unsigned int version;
    const char *desc;
    struct _iop_device_ops *ops;
} iop_device_t;
 
#define IOMAN_RETURN_VALUE_IMPL(val) \
    static inline int my_ioman_retval_##val##_int(void) {return -val;} \
    static inline signed long long my_ioman_retval_##val##_s64(void) {return -val;} 
#define IOMAN_RETURN_VALUE(val) ((void*)&my_ioman_retval_##val##_int)
#define IOMAN_RETURN_VALUE_S64(val) ((void*)&my_ioman_retval_##val##_s64)
 
typedef struct _iop_device_ops {
    int (*init)(iop_device_t *device);
    int (*deinit)(iop_device_t *device);
    int (*format)(iop_file_t *f);
    int (*open)(iop_file_t *f, const char *name, int flags);
    int (*close)(iop_file_t *f);
    int (*read)(iop_file_t *f, void *ptr, int size);
    int (*write)(iop_file_t *f, void *ptr, int size);
    int (*lseek)(iop_file_t *f, int offset, int mode);
    int (*ioctl)(iop_file_t *f, int cmd, void *param);
    int (*remove)(iop_file_t *f, const char *name);
    int (*mkdir)(iop_file_t *f, const char *path);
    int (*rmdir)(iop_file_t *f, const char *path);
    int (*dopen)(iop_file_t *f, const char *path);
    int (*dclose)(iop_file_t *f);
    int (*dread)(iop_file_t *f, io_dirent_t *buf);
    int (*getstat)(iop_file_t *f, const char *name, io_stat_t *stat_);
    int (*chstat)(iop_file_t *f, const char *name, io_stat_t *stat_, unsigned int statmask);
} iop_device_ops_t;
 
extern int AddDrv(iop_device_t *device);
extern int DelDrv(const char *name);
 
#define ioman_IMPORTS_start DECLARE_IMPORT_TABLE(ioman, 1, 1)
#define ioman_IMPORTS_end END_IMPORT_TABLE
 
#define I_open DECLARE_IMPORT(4, open)
#define I_close DECLARE_IMPORT(5, close)
#define I_read DECLARE_IMPORT(6, read)
#define I_write DECLARE_IMPORT(7, write)
#define I_lseek DECLARE_IMPORT(8, lseek)
#define I_ioctl DECLARE_IMPORT(9, ioctl)
#define I_remove DECLARE_IMPORT(10, remove)
#define I_mkdir DECLARE_IMPORT(11, mkdir)
#define I_rmdir DECLARE_IMPORT(12, rmdir)
#define I_dopen DECLARE_IMPORT(13, dopen)
#define I_dclose DECLARE_IMPORT(14, dclose)
#define I_dread DECLARE_IMPORT(15, dread)
#define I_getstat DECLARE_IMPORT(16, getstat)
#define I_chstat DECLARE_IMPORT(17, chstat)
#define I_format DECLARE_IMPORT(18, format)
#define I_AddDrv DECLARE_IMPORT(20, AddDrv);
#define I_DelDrv DECLARE_IMPORT(21, DelDrv);
 
#ifdef __cplusplus
}
#endif
 
#endif /* __IOMAN_H__ */