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usb-firewall-fork/Upstream/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c

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/**
******************************************************************************
* @file usbd_msc_scsi.c
* @author MCD Application Team
* @version V2.3.0
* @date 04-November-2014
* @brief This file provides all the USBD SCSI layer functions.
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* 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.
*
******************************************************************************
*
* Modifications by Robert Fisk
*/
/* Includes ------------------------------------------------------------------*/
#include <upstream_interface_def.h>
#include <upstream_msc.h>
#include <upstream_spi.h>
#include "usbd_msc_bot.h"
#include "usbd_msc_scsi.h"
#include "usbd_msc.h"
#include "usbd_msc_data.h"
#include "usbd_descriptors.h"
#include "build_config.h"
#ifdef CONFIG_MASS_STORAGE_ENABLED
/** @addtogroup STM32_USB_DEVICE_LIBRARY
* @{
*/
/** @defgroup MSC_SCSI
* @brief Mass storage SCSI layer module
* @{
*/
/** @defgroup MSC_SCSI_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup MSC_SCSI_Private_Defines
* @{
*/
/**
* @}
*/
/** @defgroup MSC_SCSI_Private_Macros
* @{
*/
/**
* @}
*/
/** @defgroup MSC_SCSI_Private_Variables
* @{
*/
USBD_HandleTypeDef *SCSI_ProcessCmd_pdev;
uint8_t SCSI_ProcessCmd_lun;
uint8_t *SCSI_ProcessCmd_params;
SCSI_ProcessCmdCallbackTypeDef SCSI_ProcessCmd_callback;
USBD_MSC_BOT_HandleTypeDef *SCSI_ProcessCmd_hmsc;
/**
* @}
*/
/** @defgroup MSC_SCSI_Private_FunctionPrototypes
* @{
*/
static void SCSI_TestUnitReady(void);
static void SCSI_Inquiry(void);
static void SCSI_ReadFormatCapacity(void);
static void SCSI_ReadCapacity10(void);
static void SCSI_RequestSense (void);
static void SCSI_StartStopUnit(void);
static void SCSI_AllowMediumRemoval(void);
static void SCSI_ModeSense6 (void);
static void SCSI_ModeSense10 (void);
static void SCSI_Write10(void);
static void SCSI_Read10(void);
static void SCSI_Verify10(void);
static int8_t SCSI_CheckAddressRange (uint32_t blk_offset , uint16_t blk_nbr);
void SCSI_TestUnitReadyCallback(HAL_StatusTypeDef result);
void SCSI_ReadCapacity10Callback(UpstreamPacketTypeDef* upstreamPacket,
uint32_t result_uint1,
uint32_t result_uint2);
void SCSI_ReadFormatCapacityCallback(UpstreamPacketTypeDef* upstreamPacket,
uint32_t result_uint1,
uint32_t result_uint2);
void SCSI_Read10BeginCallback(HAL_StatusTypeDef result);
void SCSI_Read10ReplyCallback(UpstreamPacketTypeDef* upstreamPacket,
uint16_t dataLength);
void SCSI_Write10BeginCallback(HAL_StatusTypeDef result);
void SCSI_Write10FreePacketCallback(UpstreamPacketTypeDef* freePacket);
/**
* @}
*/
/** @defgroup MSC_SCSI_Private_Functions
* @{
*/
/**
* @brief SCSI_ProcessCmd
* Process SCSI commands
* @param pdev: device instance
* @param lun: Logical unit number
* @param params: Command parameters
* @retval status
*/
void SCSI_ProcessCmd(USBD_HandleTypeDef *pdev,
uint8_t lun,
uint8_t *params,
SCSI_ProcessCmdCallbackTypeDef callback)
{
//Save all our parameters for easy access in callback routines
SCSI_ProcessCmd_pdev = pdev;
SCSI_ProcessCmd_params = params;
SCSI_ProcessCmd_lun = lun;
SCSI_ProcessCmd_callback = callback;
SCSI_ProcessCmd_hmsc = (USBD_MSC_BOT_HandleTypeDef*)pdev->pClassData;
switch (params[0])
{
case SCSI_TEST_UNIT_READY:
SCSI_TestUnitReady();
return;
case SCSI_REQUEST_SENSE:
SCSI_RequestSense();
return;
case SCSI_INQUIRY:
SCSI_Inquiry();
return;
case SCSI_START_STOP_UNIT:
SCSI_StartStopUnit();
return;
case SCSI_ALLOW_MEDIUM_REMOVAL:
SCSI_AllowMediumRemoval();
return;
case SCSI_MODE_SENSE6:
SCSI_ModeSense6();
return;
case SCSI_MODE_SENSE10:
SCSI_ModeSense10();
return;
case SCSI_READ_FORMAT_CAPACITIES:
SCSI_ReadFormatCapacity();
return;
case SCSI_READ_CAPACITY10:
SCSI_ReadCapacity10();
return;
case SCSI_READ10:
SCSI_Read10();
return;
case SCSI_WRITE10:
#ifdef CONFIG_MASS_STORAGE_WRITES_PERMITTED
SCSI_Write10();
#else
SCSI_SenseCode(pdev,
lun,
DATA_PROTECT,
WRITE_PROTECTED);
SCSI_ProcessCmd_callback(-1);
#endif
return;
case SCSI_VERIFY10:
SCSI_Verify10();
return;
default:
SCSI_SenseCode(pdev,
lun,
ILLEGAL_REQUEST,
INVALID_CDB);
SCSI_ProcessCmd_callback(-1);
}
}
/**
* @brief SCSI_TestUnitReady
* Process SCSI Test Unit Ready Command
* @param lun: Logical unit number
* @param params: Command parameters
* @retval status
*/
void SCSI_TestUnitReady(void)
{
/* case 9 : Hi > D0 */
if (SCSI_ProcessCmd_hmsc->cbw.dDataLength != 0)
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_lun,
ILLEGAL_REQUEST,
INVALID_CDB);
SCSI_ProcessCmd_callback(-1);
return;
}
if (SCSI_ProcessCmd_lun >= UPSTREAM_LUN_NBR)
{
SCSI_TestUnitReadyCallback(HAL_ERROR);
return;
}
if (Upstream_MSC_TestReady(SCSI_TestUnitReadyCallback) != HAL_OK)
{
SCSI_TestUnitReadyCallback(HAL_ERROR);
}
}
void SCSI_TestUnitReadyCallback(HAL_StatusTypeDef result)
{
if (result != HAL_OK)
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_lun,
NOT_READY,
MEDIUM_NOT_PRESENT);
SCSI_ProcessCmd_hmsc->bot_state = USBD_BOT_NO_DATA;
SCSI_ProcessCmd_callback(-1);
return;
}
//Success!
SCSI_ProcessCmd_hmsc->bot_data_length = 0;
SCSI_ProcessCmd_callback(0);
}
/**
* @brief SCSI_Inquiry
* Process Inquiry command
* @param lun: Logical unit number
* @param params: Command parameters
* @retval status
*/
static void SCSI_Inquiry(void)
{
uint8_t* pPage;
uint16_t len;
UpstreamPacketTypeDef* freePacket;
freePacket = Upstream_GetFreePacketImmediately();
SCSI_ProcessCmd_hmsc->bot_packet = freePacket;
SCSI_ProcessCmd_hmsc->bot_data = freePacket->Data;
if (SCSI_ProcessCmd_params[1] & 0x01)/*Evpd is set*/
{
pPage = (uint8_t *)MSC_Page00_Inquiry_Data;
len = LENGTH_INQUIRY_PAGE00;
}
else
{
//Standard INQUIRY data
//Return the same info for any LUN requested
pPage = (uint8_t *)&STORAGE_Inquirydata_FS;
len = pPage[4] + 5;
if (SCSI_ProcessCmd_params[4] <= len)
{
len = SCSI_ProcessCmd_params[4];
}
}
SCSI_ProcessCmd_hmsc->bot_data_length = len;
while (len)
{
len--;
SCSI_ProcessCmd_hmsc->bot_data[len] = pPage[len];
}
SCSI_ProcessCmd_callback(0);
}
/**
* @brief SCSI_ReadCapacity10
* Process Read Capacity 10 command
* @param lun: Logical unit number
* @param params: Command parameters
* @retval status
*/
static void SCSI_ReadCapacity10(void)
{
if (Upstream_MSC_GetCapacity(SCSI_ReadCapacity10Callback) != HAL_OK)
{
SCSI_ReadCapacity10Callback(NULL, 0, 0);
}
}
void SCSI_ReadCapacity10Callback(UpstreamPacketTypeDef* upstreamPacket,
uint32_t result_uint1,
uint32_t result_uint2)
{
if (upstreamPacket == NULL)
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_lun,
NOT_READY,
MEDIUM_NOT_PRESENT);
SCSI_ProcessCmd_callback(-1);
return;
}
SCSI_ProcessCmd_hmsc->bot_packet = upstreamPacket;
SCSI_ProcessCmd_hmsc->bot_data = upstreamPacket->Data;
SCSI_ProcessCmd_hmsc->scsi_blk_nbr = result_uint1;
SCSI_ProcessCmd_hmsc->scsi_blk_size = result_uint2;
SCSI_ProcessCmd_hmsc->bot_data[0] = (uint8_t)((SCSI_ProcessCmd_hmsc->scsi_blk_nbr - 1) >> 24);
SCSI_ProcessCmd_hmsc->bot_data[1] = (uint8_t)((SCSI_ProcessCmd_hmsc->scsi_blk_nbr - 1) >> 16);
SCSI_ProcessCmd_hmsc->bot_data[2] = (uint8_t)((SCSI_ProcessCmd_hmsc->scsi_blk_nbr - 1) >> 8);
SCSI_ProcessCmd_hmsc->bot_data[3] = (uint8_t)(SCSI_ProcessCmd_hmsc->scsi_blk_nbr - 1);
SCSI_ProcessCmd_hmsc->bot_data[4] = (uint8_t)(SCSI_ProcessCmd_hmsc->scsi_blk_size >> 24);
SCSI_ProcessCmd_hmsc->bot_data[5] = (uint8_t)(SCSI_ProcessCmd_hmsc->scsi_blk_size >> 16);
SCSI_ProcessCmd_hmsc->bot_data[6] = (uint8_t)(SCSI_ProcessCmd_hmsc->scsi_blk_size >> 8);
SCSI_ProcessCmd_hmsc->bot_data[7] = (uint8_t)(SCSI_ProcessCmd_hmsc->scsi_blk_size);
SCSI_ProcessCmd_hmsc->bot_data_length = 8;
SCSI_ProcessCmd_callback(0);
}
/**
* @brief SCSI_ReadFormatCapacity
* Process Read Format Capacity command
* @param lun: Logical unit number
* @param params: Command parameters
* @retval status
*/
static void SCSI_ReadFormatCapacity(void)
{
if (Upstream_MSC_GetCapacity(SCSI_ReadFormatCapacityCallback) != HAL_OK)
{
SCSI_ReadFormatCapacityCallback(NULL, 0, 0);
}
}
void SCSI_ReadFormatCapacityCallback(UpstreamPacketTypeDef* upstreamPacket,
uint32_t result_uint1,
uint32_t result_uint2)
{
if (upstreamPacket == NULL)
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_lun,
NOT_READY,
MEDIUM_NOT_PRESENT);
SCSI_ProcessCmd_callback(-1);
return;
}
SCSI_ProcessCmd_hmsc->bot_packet = upstreamPacket;
SCSI_ProcessCmd_hmsc->bot_data = upstreamPacket->Data;
SCSI_ProcessCmd_hmsc->bot_data[0] = 0;
SCSI_ProcessCmd_hmsc->bot_data[1] = 0;
SCSI_ProcessCmd_hmsc->bot_data[2] = 0;
SCSI_ProcessCmd_hmsc->bot_data[3] = 0x08;
SCSI_ProcessCmd_hmsc->bot_data[4] = (uint8_t)((result_uint1 - 1) >> 24);
SCSI_ProcessCmd_hmsc->bot_data[5] = (uint8_t)((result_uint1 - 1) >> 16);
SCSI_ProcessCmd_hmsc->bot_data[6] = (uint8_t)((result_uint1 - 1) >> 8);
SCSI_ProcessCmd_hmsc->bot_data[7] = (uint8_t)(result_uint1 - 1);
SCSI_ProcessCmd_hmsc->bot_data[8] = 0x02;
SCSI_ProcessCmd_hmsc->bot_data[9] = (uint8_t)(result_uint2 >> 16);
SCSI_ProcessCmd_hmsc->bot_data[10] = (uint8_t)(result_uint2 >> 8);
SCSI_ProcessCmd_hmsc->bot_data[11] = (uint8_t)(result_uint2);
SCSI_ProcessCmd_hmsc->bot_data_length = 12;
SCSI_ProcessCmd_callback(0);
}
/**
* @brief SCSI_ModeSense6
* Process Mode Sense6 command
* @param lun: Logical unit number
* @param params: Command parameters
* @retval status
*/
static void SCSI_ModeSense6 (void)
{
uint16_t len = 4;
UpstreamPacketTypeDef* freePacket;
freePacket = Upstream_GetFreePacketImmediately();
SCSI_ProcessCmd_hmsc->bot_packet = freePacket;
SCSI_ProcessCmd_hmsc->bot_data = freePacket->Data;
SCSI_ProcessCmd_hmsc->bot_data_length = len;
while (len)
{
len--;
SCSI_ProcessCmd_hmsc->bot_data[len] = MSC_Mode_Sense6_data[len];
}
SCSI_ProcessCmd_callback(0);
}
/**
* @brief SCSI_ModeSense10
* Process Mode Sense10 command
* @param lun: Logical unit number
* @param params: Command parameters
* @retval status
*/
static void SCSI_ModeSense10(void)
{
uint16_t len = 8;
UpstreamPacketTypeDef* freePacket;
freePacket = Upstream_GetFreePacketImmediately();
SCSI_ProcessCmd_hmsc->bot_packet = freePacket;
SCSI_ProcessCmd_hmsc->bot_data = freePacket->Data;
SCSI_ProcessCmd_hmsc->bot_data_length = len;
while (len)
{
len--;
SCSI_ProcessCmd_hmsc->bot_data[len] = MSC_Mode_Sense10_data[len];
}
SCSI_ProcessCmd_callback(0);
}
/**
* @brief SCSI_RequestSense
* Process Request Sense command
* @param lun: Logical unit number
* @param params: Command parameters
* @retval status
*/
static void SCSI_RequestSense(void)
{
uint8_t i;
UpstreamPacketTypeDef* freePacket;
freePacket = Upstream_GetFreePacketImmediately();
SCSI_ProcessCmd_hmsc->bot_packet = freePacket;
SCSI_ProcessCmd_hmsc->bot_data = freePacket->Data;
for (i=0 ; i < REQUEST_SENSE_DATA_LEN ; i++)
{
SCSI_ProcessCmd_hmsc->bot_data[i] = 0;
}
SCSI_ProcessCmd_hmsc->bot_data[0] = 0x70;
SCSI_ProcessCmd_hmsc->bot_data[7] = REQUEST_SENSE_DATA_LEN - 6;
if((SCSI_ProcessCmd_hmsc->scsi_sense_head != SCSI_ProcessCmd_hmsc->scsi_sense_tail))
{
SCSI_ProcessCmd_hmsc->bot_data[2] = SCSI_ProcessCmd_hmsc->scsi_sense[SCSI_ProcessCmd_hmsc->scsi_sense_head].Skey;
SCSI_ProcessCmd_hmsc->bot_data[12] = SCSI_ProcessCmd_hmsc->scsi_sense[SCSI_ProcessCmd_hmsc->scsi_sense_head].w.b.ASCQ;
SCSI_ProcessCmd_hmsc->bot_data[13] = SCSI_ProcessCmd_hmsc->scsi_sense[SCSI_ProcessCmd_hmsc->scsi_sense_head].w.b.ASC;
SCSI_ProcessCmd_hmsc->scsi_sense_head++;
if (SCSI_ProcessCmd_hmsc->scsi_sense_head == SENSE_LIST_DEPTH)
{
SCSI_ProcessCmd_hmsc->scsi_sense_head = 0;
}
}
SCSI_ProcessCmd_hmsc->bot_data_length = REQUEST_SENSE_DATA_LEN;
if (SCSI_ProcessCmd_params[4] <= REQUEST_SENSE_DATA_LEN)
{
SCSI_ProcessCmd_hmsc->bot_data_length = SCSI_ProcessCmd_params[4];
}
SCSI_ProcessCmd_callback(0);
}
/**
* @brief SCSI_SenseCode
* Load the last error code in the error list
* @param lun: Logical unit number
* @param sKey: Sense Key
* @param ASC: Additional Sense Key
* @retval none
*/
void SCSI_SenseCode(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t sKey, uint8_t ASC)
{
USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef*)pdev->pClassData;
hmsc->scsi_sense[hmsc->scsi_sense_tail].Skey = sKey;
hmsc->scsi_sense[hmsc->scsi_sense_tail].w.ASC = ASC << 8;
hmsc->scsi_sense_tail++;
if (hmsc->scsi_sense_tail == SENSE_LIST_DEPTH)
{
hmsc->scsi_sense_tail = 0;
}
}
/**
* @brief SCSI_StartStopUnit
* Process Start Stop Unit command
* @param lun: Logical unit number
* @param params: Command parameters
* @retval status
*/
static void SCSI_StartStopUnit(void)
{
if ((SCSI_ProcessCmd_params[4] & START_STOP_DATA_MASK) == START_STOP_DATA_EJECT_STOP_MOTOR)
{
USBD_RequestStop(SCSI_ProcessCmd_pdev); //Host is signalling us to disconnect
Upstream_MSC_RegisterDisconnect();
}
SCSI_ProcessCmd_hmsc->bot_data_length = 0;
SCSI_ProcessCmd_callback(0);
}
static void SCSI_AllowMediumRemoval(void)
{
SCSI_ProcessCmd_hmsc->bot_data_length = 0;
SCSI_ProcessCmd_callback(0);
}
/**
* @brief SCSI_Read10
* Process Read10 command
* @param lun: Logical unit number
* @param params: Command parameters
* @retval status
*/
static void SCSI_Read10(void)
{
if (SCSI_ProcessCmd_hmsc->bot_state == USBD_BOT_IDLE) /* Idle */
{
/* case 10 : Ho <> Di */
if ((SCSI_ProcessCmd_hmsc->cbw.bmFlags & 0x80) != 0x80)
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_hmsc->cbw.bLUN,
ILLEGAL_REQUEST,
INVALID_CDB);
SCSI_ProcessCmd_callback(-1);
return;
}
SCSI_ProcessCmd_hmsc->scsi_blk_addr = (SCSI_ProcessCmd_params[2] << 24) | \
(SCSI_ProcessCmd_params[3] << 16) | \
(SCSI_ProcessCmd_params[4] << 8) | \
SCSI_ProcessCmd_params[5];
SCSI_ProcessCmd_hmsc->scsi_blk_len = (SCSI_ProcessCmd_params[7] << 8) | \
SCSI_ProcessCmd_params[8];
if (SCSI_CheckAddressRange(SCSI_ProcessCmd_hmsc->scsi_blk_addr,
SCSI_ProcessCmd_hmsc->scsi_blk_len) < 0)
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_hmsc->cbw.bLUN,
ILLEGAL_REQUEST,
INVALID_CDB);
SCSI_ProcessCmd_callback(-1); /* error */
return;
}
/* cases 4,5 : Hi <> Dn */
if (SCSI_ProcessCmd_hmsc->cbw.dDataLength != (uint32_t)(SCSI_ProcessCmd_hmsc->scsi_blk_len * SCSI_ProcessCmd_hmsc->scsi_blk_size))
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_hmsc->cbw.bLUN,
ILLEGAL_REQUEST,
INVALID_CDB);
SCSI_ProcessCmd_callback(-1);
return;
}
if (Upstream_MSC_BeginRead(SCSI_Read10BeginCallback,
SCSI_ProcessCmd_hmsc->scsi_blk_addr,
SCSI_ProcessCmd_hmsc->scsi_blk_len,
SCSI_ProcessCmd_hmsc->cbw.dDataLength) != HAL_OK)
{
SCSI_Read10BeginCallback(HAL_ERROR);
}
return;
}
//hmsc->bot_state is already USBD_BOT_DATA_IN
if (Upstream_MSC_GetStreamDataPacket(SCSI_Read10ReplyCallback) != HAL_OK)
{
SCSI_Read10ReplyCallback(NULL, 0);
}
}
void SCSI_Read10BeginCallback(HAL_StatusTypeDef result)
{
if (result != HAL_OK)
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_lun,
NOT_READY,
MEDIUM_NOT_PRESENT);
SCSI_ProcessCmd_callback(-1);
return;
}
SCSI_ProcessCmd_hmsc->bot_state = USBD_BOT_DATA_IN;
if (Upstream_MSC_GetStreamDataPacket(SCSI_Read10ReplyCallback) != HAL_OK)
{
SCSI_Read10ReplyCallback(NULL, 0);
}
}
void SCSI_Read10ReplyCallback(UpstreamPacketTypeDef* upstreamPacket,
uint16_t dataLength)
{
if (upstreamPacket == NULL)
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_lun,
HARDWARE_ERROR,
UNRECOVERED_READ_ERROR);
SCSI_ProcessCmd_callback(-1);
return;
}
if (SCSI_ProcessCmd_hmsc->bot_packet != NULL)
while (1); /////////////////////////////////////////!
SCSI_ProcessCmd_hmsc->bot_packet = upstreamPacket;
SCSI_ProcessCmd_hmsc->bot_data = upstreamPacket->Data;
USBD_LL_Transmit (SCSI_ProcessCmd_pdev,
MSC_EPIN_ADDR,
SCSI_ProcessCmd_hmsc->bot_data,
dataLength);
/* case 6 : Hi = Di */
SCSI_ProcessCmd_hmsc->csw.dDataResidue -= dataLength;
if (SCSI_ProcessCmd_hmsc->csw.dDataResidue == 0)
{
SCSI_ProcessCmd_hmsc->bot_state = USBD_BOT_LAST_DATA_IN;
}
SCSI_ProcessCmd_callback(0);
}
/**
* @brief SCSI_Write10
* Process Write10 command
* @param lun: Logical unit number
* @param params: Command parameters
* @retval status
*/
#ifdef CONFIG_MASS_STORAGE_WRITES_PERMITTED
static void SCSI_Write10(void)
{
uint32_t dataLength;
if (SCSI_ProcessCmd_hmsc->bot_state == USBD_BOT_IDLE) /* Idle */
{
/* case 8 : Hi <> Do */
if ((SCSI_ProcessCmd_hmsc->cbw.bmFlags & 0x80) == 0x80)
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_hmsc->cbw.bLUN,
ILLEGAL_REQUEST,
INVALID_CDB);
SCSI_ProcessCmd_callback(-1);
return;
}
SCSI_ProcessCmd_hmsc->scsi_blk_addr = (SCSI_ProcessCmd_params[2] << 24) | \
(SCSI_ProcessCmd_params[3] << 16) | \
(SCSI_ProcessCmd_params[4] << 8) | \
SCSI_ProcessCmd_params[5];
SCSI_ProcessCmd_hmsc->scsi_blk_len = (SCSI_ProcessCmd_params[7] << 8) | \
SCSI_ProcessCmd_params[8];
if (SCSI_CheckAddressRange(SCSI_ProcessCmd_hmsc->scsi_blk_addr,
SCSI_ProcessCmd_hmsc->scsi_blk_len) < 0)
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_hmsc->cbw.bLUN,
ILLEGAL_REQUEST,
INVALID_CDB);
SCSI_ProcessCmd_callback(-1); /* error */
return;
}
/* cases 3,11,13 : Hn,Ho <> D0 */
if (SCSI_ProcessCmd_hmsc->cbw.dDataLength != (uint32_t)(SCSI_ProcessCmd_hmsc->scsi_blk_len * SCSI_ProcessCmd_hmsc->scsi_blk_size))
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_hmsc->cbw.bLUN,
ILLEGAL_REQUEST,
INVALID_CDB);
SCSI_ProcessCmd_callback(-1);
return;
}
if (Upstream_MSC_BeginWrite(SCSI_Write10BeginCallback,
SCSI_ProcessCmd_hmsc->scsi_blk_addr,
SCSI_ProcessCmd_hmsc->scsi_blk_len) != HAL_OK)
{
SCSI_Write10BeginCallback(HAL_ERROR);
}
return;
}
//hmsc->bot_state is already USBD_BOT_DATA_OUT
dataLength = MIN(SCSI_ProcessCmd_hmsc->csw.dDataResidue, MSC_MEDIA_PACKET);
if (Upstream_MSC_PutStreamDataPacket(SCSI_ProcessCmd_hmsc->bot_packet,
dataLength) != HAL_OK)
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_lun,
HARDWARE_ERROR,
WRITE_FAULT);
SCSI_ProcessCmd_callback(-1);
return;
}
SCSI_ProcessCmd_hmsc->csw.dDataResidue -= dataLength;
if (SCSI_ProcessCmd_hmsc->csw.dDataResidue == 0)
{
MSC_BOT_SendCSW (SCSI_ProcessCmd_pdev, USBD_CSW_CMD_PASSED);
SCSI_ProcessCmd_callback(0);
return;
}
/* Prepare EP to Receive next packet */
if (Upstream_GetFreePacket(SCSI_Write10FreePacketCallback) != HAL_OK)
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_lun,
NOT_READY,
MEDIUM_NOT_PRESENT);
SCSI_ProcessCmd_callback(-1);
}
}
void SCSI_Write10BeginCallback(HAL_StatusTypeDef result)
{
if (result == HAL_BUSY)
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_lun,
DATA_PROTECT,
WRITE_PROTECTED);
SCSI_ProcessCmd_callback(-1);
return;
}
if (result != HAL_OK)
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_lun,
NOT_READY,
MEDIUM_NOT_PRESENT);
SCSI_ProcessCmd_callback(-1);
return;
}
/* Prepare EP to receive first data packet */
SCSI_ProcessCmd_hmsc->bot_state = USBD_BOT_DATA_OUT;
if (Upstream_GetFreePacket(SCSI_Write10FreePacketCallback) != HAL_OK)
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_lun,
NOT_READY,
MEDIUM_NOT_PRESENT);
SCSI_ProcessCmd_callback(-1);
}
}
void SCSI_Write10FreePacketCallback(UpstreamPacketTypeDef* freePacket)
{
SCSI_ProcessCmd_hmsc->bot_packet = freePacket;
SCSI_ProcessCmd_hmsc->bot_data = freePacket->Data;
USBD_LL_PrepareReceive (SCSI_ProcessCmd_pdev,
MSC_EPOUT_ADDR,
SCSI_ProcessCmd_hmsc->bot_data,
MIN(SCSI_ProcessCmd_hmsc->csw.dDataResidue, MSC_MEDIA_PACKET));
SCSI_ProcessCmd_callback(0); //Report eventual success!
}
#endif
/**
* @brief SCSI_Verify10
* Process Verify10 command
* @param lun: Logical unit number
* @param params: Command parameters
* @retval status
*/
static void SCSI_Verify10(void)
{
if ((SCSI_ProcessCmd_params[1]& 0x02) == 0x02)
{
SCSI_SenseCode (SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_lun,
ILLEGAL_REQUEST,
INVALID_FIELD_IN_COMMAND);
SCSI_ProcessCmd_callback(-1); /* Error, Verify Mode Not supported*/
return;
}
if(SCSI_CheckAddressRange(SCSI_ProcessCmd_hmsc->scsi_blk_addr,
SCSI_ProcessCmd_hmsc->scsi_blk_len) < 0)
{
SCSI_ProcessCmd_callback(-1); /* error */
return;
}
SCSI_ProcessCmd_hmsc->bot_data_length = 0;
SCSI_ProcessCmd_callback(0);
}
/**
* @brief SCSI_CheckAddressRange
* Check address range
* @param lun: Logical unit number
* @param blk_offset: first block address
* @param blk_nbr: number of block to be processed
* @retval status
*/
static int8_t SCSI_CheckAddressRange (uint32_t blk_offset , uint16_t blk_nbr)
{
if ((blk_offset >= SCSI_ProcessCmd_hmsc->scsi_blk_nbr) ||
((blk_offset + blk_nbr - 1) >= SCSI_ProcessCmd_hmsc->scsi_blk_nbr))
{
SCSI_SenseCode(SCSI_ProcessCmd_pdev,
SCSI_ProcessCmd_lun,
ILLEGAL_REQUEST,
ADDRESS_OUT_OF_RANGE);
return -1;
}
return 0;
}
#endif //#ifdef CONFIG_MASS_STORAGE_ENABLED
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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