2025-10-10 16:07:00 +08:00

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/**
* @file api_val_service.h
*
* @brief VAL API - Service related services
*/
/*****************************************************************************
* Copyright (c) 2014-2018 INSIDE Secure B.V. All Rights Reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*****************************************************************************/
#ifndef INCLUDE_GUARD_API_VAL_SERVICE_H
#define INCLUDE_GUARD_API_VAL_SERVICE_H
/*-----------------------------------------------------------------------------
* This module uses (requires) the following interface(s):
*/
#include "basic_defs.h" // uint8_t, uint16_t, uint32_t, uint64_t
#include "api_val_result.h" // ValStatus_t
/*-----------------------------------------------------------------------------
* val_ServiceRegisterRead
*/
/**
* This function reads the specified internal register (address) of EIP-13x
* hardware.
*
* @param [in] Address
* Address of the internal register to write.
*
* @param [out] Value_p
* Pointer to the buffer in which the value needs to be returned.
*
* @return One of the ValStatus_t values.
*/
ValStatus_t
val_ServiceRegisterRead(
uint32_t Address,
uint32_t * const Value_p);
/*-----------------------------------------------------------------------------
* val_ServiceRegisterWrite
*/
/**
* This function writes a value to the specified internal register (address)
* of EIP-13x hardware.
*
* @param [in] Address
* Address of the internal register to write.
*
* @param [in] Value
* Value to write.
*
* @return One of the ValStatus_t values.
*/
ValStatus_t
val_ServiceRegisterWrite(
uint32_t Address,
uint32_t Value);
/*-----------------------------------------------------------------------------
* val_ServiceZeroizeMailbox
*/
/**
* This function zeroizes the output mailbox to make sure that the output
* mailbox does not hold sensitive information when the mailbox is released.
*
* @return One of the ValStatus_t values.
*/
ValStatus_t
val_ServiceZeroizeMailbox(void);
/*-----------------------------------------------------------------------------
* val_ServiceSelectOTPZeroize
*/
/**
* This function selects the OTP zeroize functionality only. To execute the
* actual OTP zeroize operation, this function call must be followed by calling
* the function val_ServiceZeroizeOTP().
*
* @return One of the ValStatus_t values.
*/
ValStatus_t
val_ServiceSelectOTPZeroize(void);
/*-----------------------------------------------------------------------------
* val_ServiceZeroizeOTP
*/
/**
* This function executes the OTP zeroize operation, when the OTP zeroize
* functionality was previously selected with the val_ServiceSelectOTPZeroize()
* function.
*
* @return One of the ValStatus_t values.
*/
ValStatus_t
val_ServiceZeroizeOTP(void);
/*-----------------------------------------------------------------------------
* val_ServiceClockSwitch
*/
/**
* This function controls the switch that activates the Encryption, Hash, TRNG,
* PKCP, Sequencer and Custom Engine clocks. Normally, the EIP-13x firmware
* switches the clocks automatically for optimized power consumption.
* Notes:
* - Function is only intended for debug
* - All clocks with 0b<30>s in the ClocksForcedOn and ClocksForcedOff bitmask are
* set to 'Automatic mode'.
*
* @param [in] ClocksForcedOn
* Bitmask specifying (with 1b<31>s) the clocks that needs to be forced ON
* (always ON).
*
* @param [in] ClocksForcedOff
* Bitmask specifying (with 1b<31>s) the clocks that needs to be forced OFF
* (always OFF).
*
* @return One of the ValStatus_t values.
*/
ValStatus_t
val_ServiceClockSwitch(
uint16_t ClocksForcedOn,
uint16_t ClocksForcedOff);
#endif /* Include Guard */
/* end of file api_val_service.h */