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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/usr/secureboot/smf_utils.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 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 __SMF_UTILS_H
#define __SMF_UTILS_H
#include <stdint.h>
#include <errl/errlentry.H>
namespace SECUREBOOT
{
namespace SMF
{
// HW limitations dictate that SMF memory needs to be a power-of-two
// multiple of 256MB starting with 256MB (amount in bytes).
extern const uint64_t MIN_SMF_MEMORY_AMT;
// The minimum amount of memory, in bytes, required for hostboot to run on
// master proc.
extern const uint64_t MIN_MEM_RESERVED_FOR_HB;
/**
* @brief Checks whether SMF mode is enabled on the system
*
* @return true: SMF is enabled; false: SMF is disabled.
*/
bool isSmfEnabled();
/**
* @brief Checks whether the system has the correct risk level to
* support SMF: SMF is supported on Axone by default or on
* NIMBUS or CUMULUS with risk level >= 4.
*
* @return nullptr: the current system supports SMF
* non-nullptr: an internal error occurred or the system
* does not support SMF
*/
errlHndl_t checkRiskLevelForSmf();
} // namespace SMF
} // namespace SECUREBOOT
#endif
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