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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/kernel/bltohbdatamgr.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2017,2018 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 */
/* */
/* 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. */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef __BLTOHBDATAMANAGER_H
#define __BLTOHBDATAMANAGER_H
#include <stdint.h>
#include <bootloader/bootloaderif.H>
// BlToHbDataManager class
class BlToHbDataManager
{
private:
/*
* @brief Prints, via printkd, important parts of the structure
*
* @return N/A
*/
void print() const;
// Data received from the bootloader
static Bootloader::BlToHbData iv_data;
// Indicates if the class has been instantiated or not
static bool iv_instantiated;
// Indicates if the class has been initialized or not
static bool iv_initialized;
// Indicates if data received from the bootloader is valid
static bool iv_dataValid;
// Size of data that needs to be preserved and pinned.
static size_t iv_preservedSize;
// Converts secureROM pointer to a 64-bit address
const uint64_t getSecureRomAddr() const;
// Converts hw keys hash pointer to a 64-bit address
const uint64_t getHwKeysHashAddr() const;
// Converts HBB header pointer to a 64-bit address
const uint64_t getHbbHeaderAddr() const;
// Needed for testcases
friend class AttrTankTest;
public:
/**
* @brief Default Constructor
*/
BlToHbDataManager();
/**
* @brief Initializes all internal data. At the time this class is
* instantiated the data is not known, so created this function
* as a type of "pseudo" constructor for the class.
*
* @param[in] i_data Bootloader to Hostboot Data to initialize the
* internal data with.
*
* @return N/A
*/
void initValid (const Bootloader::BlToHbData& i_data);
/**
* @brief Sets internal members to indicate that the class has been
* initialized, but is invalid
*
* @return N/A
*/
void initInvalid();
/**
* @brief Relocates preserved data to a location in cache that will not
* be flushed
* NOTE: Asserts that it's only called during initialization
*
* @return N/A
*/
void relocatePreservedArea();
/*
* @brief Returns internal branchtable offset
*
* @return uint64_t branchtable offset
*/
const uint64_t getBranchtableOffset() const;
/*
* @brief Returns internal pointer to secureROM
*
* @return void* pointer to secureROM
*/
const void* getSecureRom() const;
/*
* @brief Returns internal secureRomSize
*
* @return size_t secureRomSize
*/
const size_t getSecureRomSize() const;
/*
* @brief Returns internal pointer to hwKeysHash
*
* @return void* pointer to hwKeysHash
*/
const void* getHwKeysHash() const;
/*
* @brief Returns internal hwKeysHashSize
*
* @return size_t hwKeysHashSize
*/
const size_t getHwKeysHashSize() const;
/*
* @brief Returns internal pointer to hbbHeader
*
* @return void* pointer to hbbHeader
*/
const void* getHbbHeader() const;
/*
* @brief Returns internal hbbHeaderSize
*
* @return size_t hbbHeaderSize
*/
const size_t getHbbHeaderSize() const;
/*
* @brief Returns internal Secure Setting: Secure Access Bit
*
* @return bool Secure Access Bit
*/
const bool getSecureAccessBit() const;
/*
* @brief Returns internal Secure Setting: Security Override
*
* @return bool Security Override Setting
*/
const bool getSecurityOverride() const;
/*
* @brief Returns internal Secure Setting: Allow Attribute Overrides
* in Secure Mode
*
* @return bool Allow Attribute Overrides Setting
*/
const bool getAllowAttrOverrides() const;
/*
* @brief Returns internal preserved size
*
* @return size_t preserved size
*/
const size_t getPreservedSize() const;
/*
* @brief Indicates if internal data is valid or not
*
* @return bool true if valid; false otherwise
*/
const bool isValid() const;
/*
* @brief Returns LPC BAR setup by SBE
*
* @return uint64_t LPC BAR
*/
const uint64_t getLpcBAR() const;
/*
* @brief Returns XSCOM BAR setup by SBE
*
* @return size_t XSCP< BAR
*/
const uint64_t getXscomBAR() const;
/*
* @brief Returns internal BlToHbData size
*
* @return size_t BlToHbData size
*/
const size_t getBlToHbDataSize() const;
/*
* @brief Returns internal BlToHbData keyAddr pairs
*
* @return keyAddrPair_t Key Address Pairs Struct
*/
const Bootloader::keyAddrPair_t getKeyAddrPairs() const;
/*
* @brief Returns the value of SBE security backdoor enabled bit
*
* @return bool true if enabled; false otherwise
*/
const bool getSecBackdoor() const;
};
// Extern global instance of the class
extern BlToHbDataManager g_BlToHbDataManager;
#endif
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