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/*
********************************************************************************************************************
* usb host driver
*
* (c) Copyright 2007-2010, javen.China
* All Rights Reserved
*
* File Name : UsbBlkDev.h
*
* Author : javen
*
* Version : 2.0
*
* Date : 2010.03.02
*
* Description :
*
* History :
*
********************************************************************************************************************
*/
#ifndef __BLKDEV_H__
#define __BLKDEV_H__
#include "usbh_disk_info.h"
#define USB_BLK_DEV_MAGIC 0x5a13d099
#define USB_BULK_DISK_MAX_NAME_LEN 32
typedef struct __UsbBlkDev
{
unsigned int last_lun; //如果为1，表示是最后一个分区
unsigned int Magic; /* 表示设备是否合法 */
__mscLun_t *Lun; /* sd和其他scsi device共有的属性 */
/* Disk information */
unsigned int used; /* 打开设备计数 */
__dev_devop_t DiskOp; /* 设备操作函数 */
/* Disk manager */
void *DevParaHdle; /* open时的句柄 */
void *DevRegHdle; /* reg时的句柄 */
unsigned int DevNo; /* 此设备号, 它由host_id, target_id, lun 组成 */
unsigned char ClassName[USB_BULK_DISK_MAX_NAME_LEN]; /* 设备类名, 如"disk" */
unsigned char DevName[USB_BULK_DISK_MAX_NAME_LEN]; /* 此设备名, 如"SCSI_DISK_000" */
unsigned int is_RegDisk; /* 是否注册过disk设备 */
unsigned int ErrCmdNr; /* test_unit_ready期间, 未知错误的次数 */
void *Extern; /* 扩展属性, 如cd */
usbh_disk_device_info_t device_info;
} __UsbBlkDev_t;
//------------------------------------------
//
//------------------------------------------
__UsbBlkDev_t *UsbBlkDevAllocInit(__mscLun_t *mscLun);
int UsbBlkDevFree(__UsbBlkDev_t *BlkDev);
void GetDiskInfo(__UsbBlkDev_t *BlkDev);
void ShutDown(__UsbBlkDev_t *BlkDev);
int UsbBlkDevReg(__UsbBlkDev_t *BlkDev, unsigned char *ClassName, unsigned int RegDisk);
int UsbBlkDevUnReg(__UsbBlkDev_t *BlkDev);
#endif //__BLKDEV_H__
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