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/*
********************************************************************************************************************
* usb host driver
*
* (c) Copyright 2007-2010, javen.China
* All Rights Reserved
*
* File Name : mscTransport.h
*
* Author : javen
*
* Version : 2.0
*
* Date : 2010.03.02
*
* Description :
*
* History :
*
********************************************************************************************************************
*/
#ifndef __MSCTRANSPORT_H__
#define __MSCTRANSPORT_H__
/* ´«Êä´íÎóºÅ */
#define USB_STOR_XFER_GOOD 0
#define USB_STOR_XFER_ERROR 1
#define USB_STOR_XFER_SHORT 2
#define USB_STOR_XFER_STALLED 3
#define USB_STOR_XFER_LONG 4
#define USB_STOR_XFER_TIME_OUT 5
/* mass storage transport time out */
#define USB_STOR_REST_TIME 8000 //4s, ¸´Î»ÇëÇó
#define USB_STOR_CTRL_MSG_TIME 8000 //4s, ¿ØÖÆÃüÁî
#define USB_STOR_CBW_CSW_TIME 8000 //4s, cbw, csw
#define MAX_CBWCB_SIZE 16
#define MAX_BOT_CSW_REPEAT 2
/* bulk-only class specific requests */
#define USB_BULK_RESET_REQUEST 0xff
#define USB_BULK_GET_MAX_LUN 0xfe
// Command Block Wrapper Signature 'USBC'
#define CBW_SIGNATURE 0x43425355
#define CBW_FLAGS_DATA_IN 0x80
#define CBW_FLAGS_DATA_OUT 0x00
// Command Status Wrapper Signature 'USBS'
#define CSW_SIGNATURE 0x53425355
#define CSW_STATUS_GOOD 0x00
#define CSW_STATUS_FAILED 0x01
#define CSW_STATUS_PHASE_ERROR 0x02
// Command Block Wrapper
typedef struct __CBW
{
unsigned int dCBWSignature; // 0-3
unsigned int dCBWTag; // 4-7
unsigned int dCBWDataTransferLength; // 8-11
unsigned char bmCBWFlags; // 12
unsigned char bCBWLUN: 4; // 13
unsigned char bReserved1: 4;
unsigned char bCBWCBLength: 5; // 14
unsigned char bReserved2: 3;
unsigned char CBWCB[MAX_CBWCB_SIZE]; // 15-30
} __attribute__((packed)) __CBW_t;
// Command Status Wrapper
typedef struct __CSW
{
unsigned int dCSWSignature; // 0-3
unsigned int dCSWTag; // 4-7
unsigned int dCSWDataResidue; // 8-11
unsigned char bCSWStatus; // 12
} __attribute__((packed)) __CSW_t;
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
unsigned int mscGetMaxLun(__mscDev_t *mscDev);
int mscResetRecovery(__mscDev_t *mscDev);
int mscBoTransport(__mscDev_t *mscDev, __ScsiCmnd_t *ScsiCmnd);
int mscBoStopTransport(__mscDev_t *mscDev);
int mscGetDataTransportReason(__mscLun_t *mscLun, __ScsiCmnd_t *ScsiCmnd);
#endif //__MSCTRANSPORT_H__
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