/**
******************************************************************************
* @file usb_scsi.c
* @author MCD Application Team
* @version V4.0.0
* @date 21-January-2013
* @brief All processing related to the SCSI commands
******************************************************************************
* @attention
*
*
© COPYRIGHT 2013 STMicroelectronics
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "hw_config.h"
#include "usb_scsi.h"
#include "mass_mal.h"
#include "usb_bot.h"
#include "usb_regs.h"
#include "memory.h"
#include "platform_config.h"
#include "usb_lib.h"
#ifdef USE_STM3210E_EVAL
#include "nand_if.h"
#endif /* USE_STM3210E_EVAL */
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* External variables --------------------------------------------------------*/
extern uint8_t Bulk_Data_Buff[64]; /* data buffer*/
extern uint8_t Bot_State;
extern Bulk_Only_CBW CBW;
extern Bulk_Only_CSW CSW;
extern uint32_t Mass_Memory_Size[2];
extern uint32_t Mass_Block_Size[2];
extern uint32_t Mass_Block_Count[2];
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : SCSI_Inquiry_Cmd
* Description : SCSI Inquiry Command routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void SCSI_Inquiry_Cmd(uint8_t lun)
{
uint8_t* Inquiry_Data;
uint16_t Inquiry_Data_Length;
if (CBW.CB[1] & 0x01)/*Evpd is set*/
{
Inquiry_Data = Page00_Inquiry_Data;
Inquiry_Data_Length = 5;
}
else
{
if ( lun == 0)
{
Inquiry_Data = Standard_Inquiry_Data;
}
else
{
Inquiry_Data = Standard_Inquiry_Data2;
}
if (CBW.CB[4] <= STANDARD_INQUIRY_DATA_LEN)
Inquiry_Data_Length = CBW.CB[4];
else
Inquiry_Data_Length = STANDARD_INQUIRY_DATA_LEN;
}
Transfer_Data_Request(Inquiry_Data, Inquiry_Data_Length);
}
/*******************************************************************************
* Function Name : SCSI_ReadFormatCapacity_Cmd
* Description : SCSI ReadFormatCapacity Command routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void SCSI_ReadFormatCapacity_Cmd(uint8_t lun)
{
if (MAL_GetStatus(lun) != 0 )
{
Set_Scsi_Sense_Data(CBW.bLUN, NOT_READY, MEDIUM_NOT_PRESENT);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_ENABLE);
Bot_Abort(DIR_IN);
return;
}
ReadFormatCapacity_Data[4] = (uint8_t)(Mass_Block_Count[lun] >> 24);
ReadFormatCapacity_Data[5] = (uint8_t)(Mass_Block_Count[lun] >> 16);
ReadFormatCapacity_Data[6] = (uint8_t)(Mass_Block_Count[lun] >> 8);
ReadFormatCapacity_Data[7] = (uint8_t)(Mass_Block_Count[lun]);
ReadFormatCapacity_Data[9] = (uint8_t)(Mass_Block_Size[lun] >> 16);
ReadFormatCapacity_Data[10] = (uint8_t)(Mass_Block_Size[lun] >> 8);
ReadFormatCapacity_Data[11] = (uint8_t)(Mass_Block_Size[lun]);
Transfer_Data_Request(ReadFormatCapacity_Data, READ_FORMAT_CAPACITY_DATA_LEN);
}
/*******************************************************************************
* Function Name : SCSI_ReadCapacity10_Cmd
* Description : SCSI ReadCapacity10 Command routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void SCSI_ReadCapacity10_Cmd(uint8_t lun)
{
if (MAL_GetStatus(lun))
{
Set_Scsi_Sense_Data(CBW.bLUN, NOT_READY, MEDIUM_NOT_PRESENT);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_ENABLE);
Bot_Abort(DIR_IN);
return;
}
ReadCapacity10_Data[0] = (uint8_t)((Mass_Block_Count[lun] - 1) >> 24);
ReadCapacity10_Data[1] = (uint8_t)((Mass_Block_Count[lun] - 1) >> 16);
ReadCapacity10_Data[2] = (uint8_t)((Mass_Block_Count[lun] - 1) >> 8);
ReadCapacity10_Data[3] = (uint8_t)(Mass_Block_Count[lun] - 1);
ReadCapacity10_Data[4] = (uint8_t)(Mass_Block_Size[lun] >> 24);
ReadCapacity10_Data[5] = (uint8_t)(Mass_Block_Size[lun] >> 16);
ReadCapacity10_Data[6] = (uint8_t)(Mass_Block_Size[lun] >> 8);
ReadCapacity10_Data[7] = (uint8_t)(Mass_Block_Size[lun]);
Transfer_Data_Request(ReadCapacity10_Data, READ_CAPACITY10_DATA_LEN);
}
/*******************************************************************************
* Function Name : SCSI_ModeSense6_Cmd
* Description : SCSI ModeSense6 Command routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void SCSI_ModeSense6_Cmd (uint8_t lun)
{
Transfer_Data_Request(Mode_Sense6_data, MODE_SENSE6_DATA_LEN);
}
/*******************************************************************************
* Function Name : SCSI_ModeSense10_Cmd
* Description : SCSI ModeSense10 Command routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void SCSI_ModeSense10_Cmd (uint8_t lun)
{
Transfer_Data_Request(Mode_Sense10_data, MODE_SENSE10_DATA_LEN);
}
/*******************************************************************************
* Function Name : SCSI_RequestSense_Cmd
* Description : SCSI RequestSense Command routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void SCSI_RequestSense_Cmd (uint8_t lun)
{
uint8_t Request_Sense_data_Length;
if (CBW.CB[4] <= REQUEST_SENSE_DATA_LEN)
{
Request_Sense_data_Length = CBW.CB[4];
}
else
{
Request_Sense_data_Length = REQUEST_SENSE_DATA_LEN;
}
Transfer_Data_Request(Scsi_Sense_Data, Request_Sense_data_Length);
}
/*******************************************************************************
* Function Name : Set_Scsi_Sense_Data
* Description : Set Scsi Sense Data routine.
* Input : uint8_t Sens_Key
uint8_t Asc.
* Output : None.
* Return : None.
*******************************************************************************/
void Set_Scsi_Sense_Data(uint8_t lun, uint8_t Sens_Key, uint8_t Asc)
{
Scsi_Sense_Data[2] = Sens_Key;
Scsi_Sense_Data[12] = Asc;
}
/*******************************************************************************
* Function Name : SCSI_Start_Stop_Unit_Cmd
* Description : SCSI Start_Stop_Unit Command routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void SCSI_Start_Stop_Unit_Cmd(uint8_t lun)
{
Set_CSW (CSW_CMD_PASSED, SEND_CSW_ENABLE);
}
/*******************************************************************************
* Function Name : SCSI_Read10_Cmd
* Description : SCSI Read10 Command routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void SCSI_Read10_Cmd(uint8_t lun , uint32_t LBA , uint32_t BlockNbr)
{
if (Bot_State == BOT_IDLE)
{
if (!(SCSI_Address_Management(CBW.bLUN, SCSI_READ10, LBA, BlockNbr)))/*address out of range*/
{
return;
}
if ((CBW.bmFlags & 0x80) != 0)
{
Bot_State = BOT_DATA_IN;
Read_Memory(lun, LBA , BlockNbr);
}
else
{
Bot_Abort(BOTH_DIR);
Set_Scsi_Sense_Data(CBW.bLUN, ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_ENABLE);
}
return;
}
else if (Bot_State == BOT_DATA_IN)
{
Read_Memory(lun , LBA , BlockNbr);
}
}
/*******************************************************************************
* Function Name : SCSI_Write10_Cmd
* Description : SCSI Write10 Command routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void SCSI_Write10_Cmd(uint8_t lun , uint32_t LBA , uint32_t BlockNbr)
{
if (Bot_State == BOT_IDLE)
{
if (!(SCSI_Address_Management(CBW.bLUN, SCSI_WRITE10 , LBA, BlockNbr)))/*address out of range*/
{
return;
}
if ((CBW.bmFlags & 0x80) == 0)
{
Bot_State = BOT_DATA_OUT;
SetEPRxStatus(ENDP2, EP_RX_VALID);
}
else
{
Bot_Abort(DIR_IN);
Set_Scsi_Sense_Data(CBW.bLUN, ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_DISABLE);
}
return;
}
else if (Bot_State == BOT_DATA_OUT)
{
Write_Memory(lun , LBA , BlockNbr);
}
}
/*******************************************************************************
* Function Name : SCSI_Verify10_Cmd
* Description : SCSI Verify10 Command routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void SCSI_Verify10_Cmd(uint8_t lun)
{
if ((CBW.dDataLength == 0) && !(CBW.CB[1] & BLKVFY))/* BLKVFY not set*/
{
Set_CSW (CSW_CMD_PASSED, SEND_CSW_ENABLE);
}
else
{
Bot_Abort(BOTH_DIR);
Set_Scsi_Sense_Data(CBW.bLUN, ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_DISABLE);
}
}
/*******************************************************************************
* Function Name : SCSI_Valid_Cmd
* Description : Valid Commands routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void SCSI_Valid_Cmd(uint8_t lun)
{
if (CBW.dDataLength != 0)
{
Bot_Abort(BOTH_DIR);
Set_Scsi_Sense_Data(CBW.bLUN, ILLEGAL_REQUEST, INVALID_COMMAND);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_DISABLE);
}
else
Set_CSW (CSW_CMD_PASSED, SEND_CSW_ENABLE);
}
/*******************************************************************************
* Function Name : SCSI_Valid_Cmd
* Description : Valid Commands routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void SCSI_TestUnitReady_Cmd(uint8_t lun)
{
if (MAL_GetStatus(lun))
{
Set_Scsi_Sense_Data(CBW.bLUN, NOT_READY, MEDIUM_NOT_PRESENT);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_ENABLE);
Bot_Abort(DIR_IN);
return;
}
else
{
Set_CSW (CSW_CMD_PASSED, SEND_CSW_ENABLE);
}
}
/*******************************************************************************
* Function Name : SCSI_Format_Cmd
* Description : Format Commands routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void SCSI_Format_Cmd(uint8_t lun)
{
if (MAL_GetStatus(lun))
{
Set_Scsi_Sense_Data(CBW.bLUN, NOT_READY, MEDIUM_NOT_PRESENT);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_ENABLE);
Bot_Abort(DIR_IN);
return;
}
#ifdef USE_STM3210E_EVAL
else
{
NAND_Format();
Set_CSW (CSW_CMD_PASSED, SEND_CSW_ENABLE);
}
#endif
}
/*******************************************************************************
* Function Name : SCSI_Invalid_Cmd
* Description : Invalid Commands routine
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void SCSI_Invalid_Cmd(uint8_t lun)
{
if (CBW.dDataLength == 0)
{
Bot_Abort(DIR_IN);
}
else
{
if ((CBW.bmFlags & 0x80) != 0)
{
Bot_Abort(DIR_IN);
}
else
{
Bot_Abort(BOTH_DIR);
}
}
Set_Scsi_Sense_Data(CBW.bLUN, ILLEGAL_REQUEST, INVALID_COMMAND);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_DISABLE);
}
/*******************************************************************************
* Function Name : SCSI_Address_Management
* Description : Test the received address.
* Input : uint8_t Cmd : the command can be SCSI_READ10 or SCSI_WRITE10.
* Output : None.
* Return : Read\Write status (bool).
*******************************************************************************/
bool SCSI_Address_Management(uint8_t lun , uint8_t Cmd , uint32_t LBA , uint32_t BlockNbr)
{
if ((LBA + BlockNbr) > Mass_Block_Count[lun] )
{
if (Cmd == SCSI_WRITE10)
{
Bot_Abort(BOTH_DIR);
}
Bot_Abort(DIR_IN);
Set_Scsi_Sense_Data(lun, ILLEGAL_REQUEST, ADDRESS_OUT_OF_RANGE);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_DISABLE);
return (FALSE);
}
if (CBW.dDataLength != BlockNbr * Mass_Block_Size[lun])
{
if (Cmd == SCSI_WRITE10)
{
Bot_Abort(BOTH_DIR);
}
else
{
Bot_Abort(DIR_IN);
}
Set_Scsi_Sense_Data(CBW.bLUN, ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_DISABLE);
return (FALSE);
}
return (TRUE);
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/