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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/plat/prdfPlatServices.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016,2019 */
/* [+] 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 PRDFPLATSERVICES_H
#define PRDFPLATSERVICES_H
/**
* @file prdfPlatServices.H
* @brief Wrapper code for external interfaces used by PRD.
*
* This file contains code that is strictly specific to Hostboot. All code that
* is common between FSP and Hostboot should be in the respective common file.
*/
#include <lib/shared/nimbus_defaults.H> // Memory HWP constant defs
#include <lib/mcbist/memdiags.H> // MCBIST command interfaces
#include <p9c_mss_maint_cmds.H> // MBA command interfaces
// This must be included after all Hostboot specific includes. This will take
// care of cases where a file must be included in the common code, but the
// include paths are different between FSP and Hostboot.
#include <prdfPlatServices_common.H>
// Must be included after including the common PlatServices code.
#ifdef __HOSTBOOT_RUNTIME
#include <prdfPlatServices_rt.H>
#else
#include <prdfPlatServices_ipl.H>
#endif
#include <prdfBitString.H>
#include <mem/prdfMemRank.H>
#ifdef CONFIG_NVDIMM
#include <isteps/nvdimm/nvdimm.H>
#endif
//------------------------------------------------------------------------------
namespace PRDF
{
namespace PlatServices
{
//##############################################################################
//## System Level Utility functions
//##############################################################################
// Inline function definitions for Hostboot compiler optimization. See
// prdfPlatServices_common.H for the function declarations.
inline bool atRuntime()
{
#ifdef __HOSTBOOT_RUNTIME
return true;
#else
return false;
#endif
}
inline bool isSmpCoherent() { return false; }
/**
* @brief Read data using SCOM
*
* @param i_target Target to read from
* @param io_bs Bit string that holds data that is read in
* @param i_address Address to read from
*
* @return SUCCESS or PRD_SCANCOM_FAILURE
*/
uint32_t getScom(TARGETING::TargetHandle_t i_target, BitString& io_bs,
uint64_t i_address);
/**
* @brief Write data using SCOM
*
* @param i_target Target to write data to
* @param io_bs Bit string that holds data to write
* @param i_address Address to write data to
*
* @return SUCCESS or PRD_SCANCOM_FAILURE
*/
uint32_t putScom(TARGETING::TargetHandle_t i_target, BitString& io_bs,
uint64_t i_address);
/**
* @brief Grabs the SPD record on DIMM target
*
* @param i_target DIMM target
* @param o_data SPD record data (malloc'd memory)
* @param o_len length of record
*
* @return SUCCESS or FAIL
*/
uint32_t getSpdData(TARGETING::TargetHandle_t i_target,
uint8_t *& o_data,
size_t & o_len);
//##############################################################################
//## Memory specific functions
//##############################################################################
/**
* @brief Returns the start and end address of the given rank.
* @note The end addresses returned from the MCBIST HWPs give a maximum
* possible address and do not take into account the actual configured
* address range. The MCBIST HW logic tolerates this unlike the MBA HW
* logic. Functions like Dynamic Memory Deallocation may need to adjust
* the actual address based on the actual HW config.
* @param i_chip An MCA or MBA.
* @param i_rank The target rank.
* @param o_startAddr The returned start address.
* @param o_endAddr The returned end address.
* @param i_rangeType See enum AddrRangeType.
* @return Non-SUCCESS if internal function fails, SUCCESS otherwise.
*/
template<TARGETING::TYPE TT, typename VT>
uint32_t getMemAddrRange( ExtensibleChip * i_chip, const MemRank & i_rank,
VT & o_startAddr, VT & o_endAddr,
AddrRangeType i_rangeType );
/**
* @brief Returns the start and end address of the given rank.
* @note The end addresses returned from the MCBIST HWPs give a maximum
* possible address and do not take into account the actual configured
* address range. The MCBIST HW logic tolerates this unlike the MBA HW
* logic. Functions like Dynamic Memory Deallocation may need to adjust
* the actual address based on the actual HW config.
* @param i_chip An MCA or MBA.
* @param o_startAddr The returned start address.
* @param o_endAddr The returned end address.
* @param i_dimmSlct When used, this function will only return the address
* range for the target DIMM select. Otherwise, the default
* is to return the address range for all DIMM selects.
* @return Non-SUCCESS if internal function fails, SUCCESS otherwise.
*/
template<TARGETING::TYPE TT, typename VT>
uint32_t getMemAddrRange( ExtensibleChip * i_chip,
VT & o_startAddr, VT & o_endAddr,
uint8_t i_dimmSlct = MAX_DIMM_PER_PORT );
/**
* @brief Queries if Row Repair is enabled.
* @param i_chip An MCA or MBA.
* @param i_rank Any rank on the target DIMMs.
* @return True if Row Repair is enabled on the DIMMs containing this rank.
* False otherwise.
*/
template<TARGETING::TYPE T>
bool isRowRepairEnabled( ExtensibleChip * i_chip, const MemRank & i_rank );
#ifdef CONFIG_NVDIMM
/**
* @brief Notify PHYP/Hostboot of NVDIMM protection status
*
* @param i_target Processor with NVDIMM
* @param i_state Protection state of NVDIMM
*/
uint32_t nvdimmNotifyProtChange( TARGETING::Target * i_target,
const NVDIMM::nvdimm_protection_t i_state );
#endif
//##############################################################################
//## Nimbus/Centaur Maintenance Command wrappers
//##############################################################################
/**
* @brief Starts Background Scrubbing.
* @param i_chip MCA or MBA chip.
* @param i_rank Will start background scrubbing on the first address of this
* slave rank. To ensure the command is started on a master rank
* boundary, make sure the slave rank value is 0.
* @return Non-SUCCESS if an internal function fails, otherwise SUCCESS.
*/
template<TARGETING::TYPE T>
uint32_t startBgScrub( ExtensibleChip * i_chip, const MemRank & i_rank );
/**
* @brief Starts a scrub command on the target rank.
* @param i_chip MCA or MBA chip.
* @param i_rank Target rank.
* @param i_rangeType See enum AddrRangeType.
* @param i_stopCond The stop conditions for the targeted scrub.
* @return Non-SUCCESS if an internal function fails, otherwise SUCCESS.
*/
template<TARGETING::TYPE TT, typename SCT>
uint32_t startTdScrub( ExtensibleChip * i_chip, const MemRank & i_rank,
AddrRangeType i_rangeType, SCT i_stopCond );
/**
* @brief Increment the current maintenance address.
* @param i_chip MBA chip.
* @param o_newAddr The new address from the maintenance address register.
* @param i_incRow True if we need to increment to the next row instead of
* the next address.
* @return Non-SUCCESS if an internal function fails, otherwise SUCCESS.
*/
template<TARGETING::TYPE T>
uint32_t incMaintAddr( ExtensibleChip * i_chip, MemAddr & o_newAddr,
bool i_incRow = false );
//##############################################################################
//## Core/cache trace array functions
//##############################################################################
/**
* @brief Restarts Trace arrays after having stopped on error
* @param i_tgt EC/EQ target
* @return non-SUCCESS for failure, SUCCESS otherwise
*/
int32_t restartTraceArray(TARGETING::TargetHandle_t i_tgt);
} // end namespace PlatServices
} // end namespace PRDF
#endif // PRDFPLATSERVICES_H
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