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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/pnor/pnor_common.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2014,2016 */
/* [+] 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 PNOR_COMMON_H
#define PNOR_COMMON_H
#include <pnor/pnorif.H>
#include "pnor_utils.H"
#include "ffs.h"
#include <secureboot/service.H>
/************************************************************
* Provides common functions for Hostboot IPL and runtime
* code access to PNOR
************************************************************/
namespace PNOR {
/**
* @brief parse the TOC read from memory and store section
* information if the TOC is valid
* @param[in] i_tocBuffer Pointer to buffer containing a TOC
* @param[out] o_TOC sectionInformation of the TOC used
* @return Error
*/
errlHndl_t parseTOC(uint8_t* i_tocBuffer, PNOR::SectionData_t * o_TOC);
/**
* @brief: determine the physical offset of ffs entry
* (to be used before readTOC is called)
* @param[in] i_tocAddress - ffs hdr pointing to a valid TOC
* @param[in] i_entryName - Name of the ffs entry to find the offset of
* @param[out] o_offset - physical offset of the ffs entry
*/
void findPhysicalOffset(ffs_hdr* i_tocAddress,
const char* i_entryName,
uint64_t & o_offset);
/**
* @brief used to translate mmio offset stored in mbox scratch 2
* to physical offset of HBB Image
* @param[out] o_hbbAddress Physical Offset of HB Base Image
* associated with the current boot
* @return Error
*/
errlHndl_t mmioToPhysicalOffset(uint64_t& o_hbbAddress);
/**
* @brief used to translate HBB Address to MMIO offset
* @param[in] i_hbbAddress - Physical Offset of the HB Base image
* @param[out] o_mmioOffest - MMIO Offset of the HB Base image
*/
void physicalToMmioOffset(uint64_t i_hbbAddress,
uint64_t& o_mmioOffset);
/**
* @brief Reads version header of section, hashes it, and extends to tpm
* buffer list.
*
* @parm i_addr Offset into flash to read
* @parm i_size Number of bytes to read
* @parm i_name Name of PNOR section
*
* @return Error from operation
*/
errlHndl_t extendHash(uint64_t i_addr, size_t i_size, const char* i_name);
}
#endif
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