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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/sbeio/sbe_psuReadSeeprom.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2012,2018 */
/* [+] 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 */
/**
* @file sbe_psuReadSeeprom.C
* @brief Send command to request Seeprom read on SBE
*/
#include <config.h>
#include <trace/interface.H>
#include <errl/errlmanager.H>
#include <sbeio/sbeioif.H>
#include <sbeio/sbe_psudd.H>
extern trace_desc_t* g_trac_sbeio;
#define SBE_TRACD(printf_string,args...) \
TRACDCOMP(g_trac_sbeio,"psuReadSeeprom: " printf_string,##args)
#define SBE_TRACF(printf_string,args...) \
TRACFCOMP(g_trac_sbeio,"psuReadSeeprom: " printf_string,##args)
#define READ_SEEPROM_SIZE_ALIGNMENT_BYTES 128
#define READ_SEEPROM_DEST_ADDR_ALIGNMENT_BYTES 8
namespace SBEIO
{
/**
* @brief Sends a PSU chipOp to request Seeprom read from SBE
*
* @note - details in sbeioif.H
*
* @return errlHndl_t Error log handle on failure.
*
*/
errlHndl_t sendPsuReadSeeprom(TARGETING::Target * i_target,
uint32_t i_seepromOffset,
uint32_t i_readSize,
uint64_t i_destAddr,
bool & o_opSupported)
{
errlHndl_t errl = nullptr;
SBE_TRACD(ENTER_MRK "sending psu seeprom read request command from HB -> SBE");
// Verify input parameters meet restrictions
assert(i_target!=nullptr,"sendPsuReadSeeprom: i_target was nullptr");
assert((i_readSize % CHIPOP_READ_SEEPROM_SIZE_ALIGNMENT_BYTES) == 0,"sendPsuReadSeeprom: i_readSize 0x%X is not 128B aligned", i_readSize);
assert((i_destAddr % CHIPOP_READ_SEEPROM_DEST_ADDR_ALIGNMENT_BYTES) == 0,"sendPsuReadSeeprom: i_destAddr 0x%.16llX is not 8B aligned", i_destAddr);
// set up PSU command message
SbePsu::psuCommand l_psuCommand(
SbePsu::SBE_REQUIRE_RESPONSE |
SbePsu::SBE_REQUIRE_ACK, //control flags
SbePsu::SBE_PSU_GENERIC_MESSAGE, //command class
SbePsu::SBE_PSU_READ_SEEPROM); //command
SbePsu::psuResponse l_psuResponse;
l_psuCommand.cd7_readSeeprom_SeepromOffset = i_seepromOffset;
l_psuCommand.cd7_readSeeprom_ReadSize = i_readSize;
l_psuCommand.cd7_readSeeprom_DestinationAddr = i_destAddr;
errl = SBEIO::SbePsu::getTheInstance().performPsuChipOp(i_target,
&l_psuCommand,
&l_psuResponse,
SbePsu::MAX_PSU_SHORT_TIMEOUT_NS,
SbePsu::SBE_READ_SEEPROM_REQ_USED_REGS,
SbePsu::SBE_READ_SEEPROM_RSP_USED_REGS);
if(l_psuResponse.primaryStatus == SBE_PRI_INVALID_COMMAND &&
l_psuResponse.secondaryStatus == SBE_SEC_COMMAND_NOT_SUPPORTED)
{
SBE_TRACF(ENTER_MRK "SBE firmware level does not support PSU Seeprom Read Requests");
//Make sure we aren't passing out any errors if the command isn't supported
delete errl;
errl = nullptr;
o_opSupported = false;
}
else
{
o_opSupported = true;
}
SBE_TRACD(EXIT_MRK "sendPsuReadSeeprom");
return errl;
};
} //end namespace SBEIO
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