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/*
********************************************************************************************************************
* usb host driver
*
* (c) Copyright 2007-2010, javen.China
* All Rights Reserved
*
* File Name : LunMgr.c
*
* Author : javen
*
* Version : 2.0
*
* Date : 2010.03.02
*
* Description :
*
* History :
*
********************************************************************************************************************
*/
#include "usb_os_platform.h"
#include "error.h"
#include "usb_msc_i.h"
#include "Scsi2.h"
#include "LunMgr.h"
#include "LunMgr_i.h"
static void print_inquiry(__InquiryData_t *InquiryData)
{
//DMSG_INFO("");
//DMSG_INFO("------------------device infomation----------------------");
//DMSG_INFO("Device_Type = %d", InquiryData->Device_Type);
//DMSG_INFO("Removable_Media = %d", InquiryData->Removable_Media);
//DMSG_INFO("ANSI_Version = %d", InquiryData->ANSI_Version);
//DMSG_INFO("ECMA_Version = %d", InquiryData->ECMA_Version);
//DMSG_INFO("ISO_Version = %d", InquiryData->ISO_Version);
//DMSG_INFO("Data_Format = %d", InquiryData->Data_Format);
//DMSG_INFO("Additional_Length = %d", InquiryData->Additional_Length);
//DMSG_INFO("Vendor_Info = %s", InquiryData->Vendor_Info);
//DMSG_INFO("Product_Info = %s", InquiryData->Product_Info);
//DMSG_INFO("Product_Revision = %s", InquiryData->Product_Revision);
//DMSG_INFO("--------------------------------------------------------");
//DMSG_INFO("");
}
/*
*******************************************************************************
* mscLun_alloc
*
* Description:
*
*
* Parameters:
*
*
* Return value:
*
*
* note:
*
*
*******************************************************************************
*/
__mscLun_t *mscLun_alloc(void)
{
__mscLun_t *mscLun = NULL;
mscLun = hal_malloc(sizeof(__mscLun_t));
if (mscLun == NULL)
{
hal_log_err("ERR: USB_OS_MALLOC failed");
return NULL;
}
memset(mscLun, 0, sizeof(__mscLun_t));
//--<2>--create lock
mscLun->Lock = hal_sem_create(1);
if (mscLun->Lock == NULL)
{
hal_log_err("ERR: UsbBlkDevAllocInit: create lock failed");
hal_free(mscLun);
return NULL;
}
return mscLun;
}
/*
*******************************************************************************
* mscLun_free
*
* Description:
*
*
* Parameters:
*
*
* Return value:
*
*
* note:
*
*
*******************************************************************************
*/
void mscLun_free(__mscLun_t *mscLun)
{
__u8 err = 0;
if (mscLun == NULL)
{
hal_log_err("ERR: input error");
return;
}
if (mscLun->Lock)
{
hal_sem_delete(mscLun->Lock);
mscLun->Lock = NULL;
}
else
{
hal_log_err("ERR: BlkDev Lock had already delete");
}
hal_free(mscLun);
}
/*
*******************************************************************************
* mscLunAdd
*
* Description:
*
*
* Parameters:
*
*
* Return value:
*
*
* note:
*
*
*******************************************************************************
*/
__s32 mscLunAdd(__mscLun_t *mscLun)
{
__mscDev_t *mscDev = NULL;
__InquiryData_t *InquiryData = NULL;
__s32 ret = 0;
__u32 i = 0;
if (mscLun == NULL)
{
hal_log_err("ERR: MscLunAdd: input error");
return USB_ERR_BAD_ARGUMENTS;
}
mscDev = mscLun->mscDev;
if (mscDev == NULL)
{
hal_log_err("ERR: MscLunAdd: mscDev == NULL");
return -1;
}
/* 获得LUN信息 */
for (i = 0; i < 3; i++)
{
hal_sem_wait(mscLun->Lock);
ret = ScsiInquery(mscLun, mscLun->Inquiry, SCSI_INQUERY_LEN);
hal_sem_post(mscLun->Lock);
if (ret == USB_STATUS_SUCCESS)
{
break;
}
}
if (i >= 3)
{
hal_log_err("ERR: MscLunAdd: ScsiInquery failed");
return USB_ERR_COMMAND_EXECUTE_FAILED;
}
/* 识别LUN */
InquiryData = (__InquiryData_t *)mscLun->Inquiry;
print_inquiry(InquiryData);
mscLun->DeviceType = InquiryData->Device_Type;
mscLun->ScsiLevel = InquiryData->ANSI_Version;
mscLun->Vendor = (__u8 *)InquiryData->Vendor_Info;
mscLun->Product = (__u8 *)InquiryData->Product_Info;
mscLun->Revision = (__u8 *)InquiryData->Product_Revision;
mscLun->RemoveAble = InquiryData->Removable_Media;
switch (mscLun->DeviceType)
{
case SCSI_DEVICE_DIRECT_ACCESS:
mscLun->Probe = DiskProbe;
mscLun->Remove = DiskRemove;
break;
case SCSI_DEVICE_CDROM:
mscLun->Probe = CDProbe;
mscLun->Remove = CDRemove;
break;
default:
hal_log_err("[Lun]: MscLunAdd: unknown device type %d", mscLun->DeviceType);
return USB_ERR_UNKOWN_DEVICE;
}
/* LUN探测 */
if (mscLun->Probe)
{
ret = mscLun->Probe(mscLun);
if (ret != 0)
{
hal_log_err("[Lun]: MscLunAdd: Lun(%d) Probe fialed", mscLun->LunNo);
return USB_ERR_DEVICE_PROBE_FAILED;
}
}
return USB_ERR_SUCCESS;
}
/*
*******************************************************************************
* mscLunDel
*
* Description:
*
*
* Parameters:
*
*
* Return value:
*
*
* note:
*
*
*******************************************************************************
*/
__s32 mscLunDel(__mscLun_t *mscLun)
{
__s32 ret = 0;
if (mscLun == NULL)
{
hal_log_err("ERR: MscLunDel: input error");
return USB_ERR_BAD_ARGUMENTS;
}
if (mscLun->Remove)
{
ret = mscLun->Remove(mscLun);
if (ret != 0)
{
hal_log_err("[Lun]: MscLunAdd: Lun(%d) Remove fialed", mscLun->LunNo);
return USB_ERR_DEVICE_REMOVE_FAILED;
}
}
return USB_ERR_SUCCESS;
}
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