usbstorage.h

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#ifndef __USBSTORAGE_H__
#define __USBSTORAGE_H__

#if defined(HW_RVL)

#include <gctypes.h>
#include <ogc/mutex.h>
#include <ogc/disc_io.h>
#include <ogc/system.h>

#ifdef __cplusplus
   extern "C" {
#endif /* __cplusplus */

#define USBSTORAGE_OK           0
#define USBSTORAGE_ENOINTERFACE     -10000
#define USBSTORAGE_ESENSE       -10001
#define USBSTORAGE_ESHORTWRITE      -10002
#define USBSTORAGE_ESHORTREAD       -10003
#define USBSTORAGE_ESIGNATURE       -10004
#define USBSTORAGE_ETAG         -10005
#define USBSTORAGE_ESTATUS      -10006
#define USBSTORAGE_EDATARESIDUE     -10007
#define USBSTORAGE_ETIMEDOUT        -10008
#define USBSTORAGE_EINIT        -10009
#define USBSTORAGE_PROCESSING   -10010

typedef struct
{
    u8 configuration;
    u32 interface;
    u32 altInterface;
    u8 bInterfaceSubClass;

    u8 ep_in;
    u8 ep_out;

    u8 max_lun;
    u32 *sector_size;

    s32 usb_fd;

    mutex_t lock;
    syswd_t alarm;
    s32 retval;

    u32 tag;
    u8 suspended;

    u8 *buffer;
} usbstorage_handle;

#define B_RAW_DEVICE_DATA_IN 0x01
#define B_RAW_DEVICE_COMMAND 0

typedef struct {
   uint8_t         command[16];
   uint8_t         command_length;
   uint8_t         flags;
   uint8_t         scsi_status;
   void*           data;
   size_t          data_length;
} raw_device_command;

s32 USBStorage_Initialize();

s32 USBStorage_Open(usbstorage_handle *dev, s32 device_id, u16 vid, u16 pid);
s32 USBStorage_Close(usbstorage_handle *dev);
s32 USBStorage_Reset(usbstorage_handle *dev);

s32 USBStorage_GetMaxLUN(usbstorage_handle *dev);
s32 USBStorage_MountLUN(usbstorage_handle *dev, u8 lun);
s32 USBStorage_Suspend(usbstorage_handle *dev);
s32 USBStorage_IsDVD();
s32 USBStorage_ioctl(int request, ...);

s32 USBStorage_ReadCapacity(usbstorage_handle *dev, u8 lun, u32 *sector_size, u32 *n_sectors);
s32 USBStorage_Read(usbstorage_handle *dev, u8 lun, u32 sector, u16 n_sectors, u8 *buffer);
s32 USBStorage_Write(usbstorage_handle *dev, u8 lun, u32 sector, u16 n_sectors, const u8 *buffer);
s32 USBStorage_StartStop(usbstorage_handle *dev, u8 lun, u8 lo_ej, u8 start, u8 imm);

#define DEVICE_TYPE_WII_USB (('W'<<24)|('U'<<16)|('S'<<8)|'B')

extern DISC_INTERFACE __io_usbstorage;

#ifdef __cplusplus
   }
#endif /* __cplusplus */

#endif /* HW_RVL */

#endif /* __USBSTORAGE_H__ */