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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/sbeio/sbe_ffdc_package_parser.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2017 */
/* [+] 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 */
#include <sbeio/sbe_ffdc_package_parser.H>
#include <hwp_return_codes.H>
#include <trace/interface.H>
#include <xscom/piberror.H>
extern trace_desc_t* g_trac_sbeio;
#define SBE_TRACF(printf_string,args...) \
TRACFCOMP(g_trac_sbeio, "sbe ffdc: " printf_string,##args)
namespace SBEIO
{
//---------------------------------------------------------------------------
FfdcParsedPackage::ParsedType
FfdcParsedPackage::rcToParsedType(uint32_t fapiRc)
{
ParsedType retval{ParsedType::NONE};
switch(fapiRc)
{
case fapi2::RC_SBE_SCOM_FAILURE:
case fapi2::RC_SBE_PIB_XSCOM_ERROR:
case fapi2::RC_SBE_PIB_OFFLINE_ERROR:
case fapi2::RC_SBE_PIB_PARTIAL_ERROR:
case fapi2::RC_SBE_PIB_ADDRESS_ERROR:
case fapi2::RC_SBE_PIB_CLOCK_ERROR:
case fapi2::RC_SBE_PIB_PARITY_ERROR:
case fapi2::RC_SBE_PIB_TIMEOUT_ERROR:
{
retval = ParsedType::SBE_SCOM_PIB_ERROR;
break;
}
}
return retval;
}
//---------------------------------------------------------------------------
void FfdcParsedPackage::doDefaultProcessing(
const ffdc_package& i_ffdc_package,
TARGETING::Target* i_target,
errlHndl_t i_errl
)
{
ParsedType l_type = rcToParsedType(i_ffdc_package.rc);
switch(l_type)
{
case ParsedType::SBE_SCOM_PIB_ERROR:
{
FfdcScomPibErrorPackage ffdcPackage{i_ffdc_package};
ffdcPackage(i_target, i_errl);
break;
}
case ParsedType::NONE:
{
//If the schema matches then we probably have a new rc
//that has yet to be accounted for.
if(0 != i_ffdc_package.rc)
{
if(FfdcScomPibErrorPackage::doesPackageMatchSchema
(i_ffdc_package))
{
SBE_TRACF(WARN_MRK"Unknown RC matches "
"SBE_SCOM_PIB_ERROR FFDC schema. RC: 0x%08X",
i_ffdc_package.rc
);
FfdcScomPibErrorPackage ffdcPackage{i_ffdc_package,
true
};
ffdcPackage(i_target, i_errl);
}
}
break;
}
default:
{
SBE_TRACF(INFO_MRK"Unknown FFDC schema type encountered. "
"Parsed Type: 0x%04X",
static_cast<uint16_t>(l_type)
);
break;
}
}
}
//---------------------------------------------------------------------------
std::shared_ptr<const FfdcParsedPackage>
FfdcParsedPackage::getParsedPackage(const ffdc_package& i_ffdc_package)
{
std::shared_ptr<const FfdcParsedPackage> retval;
ParsedType l_type = rcToParsedType(i_ffdc_package.rc);
switch(l_type)
{
case ParsedType::SBE_SCOM_PIB_ERROR:
{
FfdcParsedPackage* ptr =
new FfdcScomPibErrorPackage(i_ffdc_package);
retval.reset(ptr);
break;
}
default:
{
SBE_TRACF(WARN_MRK"No FFDC schema found for RC 0x%08X",
i_ffdc_package.rc
);
retval.reset(new FfdcParsedPackage());
break;
}
}
return retval;
}
//----------------------------------------------------------------------------
FfdcScomPibErrorPackage::FfdcScomPibErrorPackage(const ffdc_package& i_ffdc,
bool ignoreRC
)
{
validateFFDCPackage(i_ffdc, ignoreRC);
}
//----------------------------------------------------------------------------
bool FfdcScomPibErrorPackage::validateFFDCPackage(const ffdc_package& i_ffdc,
bool ignoreRC)
{
//Schema
// u32 u32 u64 u32 u64
// | FAPI RC | SCOM ADDR SIZE | SCOM ADDR | PIB RC SIZE | PIB RC |
bool retval{false};
do
{
if(nullptr == i_ffdc.ffdcPtr)
{
parsedType(ParsedType::NONE);
break;
}
//if ignoreRC is true then schema validation has already been done.
//Skip this step and parse the FFDC data.
if(not ignoreRC)
{
if(ParsedType::SBE_SCOM_PIB_ERROR != rcToParsedType(i_ffdc.rc))
{
parsedType(ParsedType::NONE);
break;
}
if(not doesPackageMatchSchema(i_ffdc))
{
parsedType(ParsedType::NONE);
break;
}
}
constexpr size_t scomAddressOffset = sizeof(uint32_t) + //FAPI RC
sizeof(uint32_t); //size of Scom
//Addr
constexpr size_t pibRcOffset = sizeof(uint32_t) + //FAPI RC
sizeof(uint32_t) + //size of Scom Addr
sizeof(uint64_t) + //Scom Address
sizeof(uint32_t); //size of PIB RC
const char* l_buffer = reinterpret_cast<const char*>(i_ffdc.ffdcPtr);
iv_scomAddress = *(reinterpret_cast<const uint64_t*>
(l_buffer + scomAddressOffset));
iv_pibRc = *(reinterpret_cast<const uint64_t*>
(l_buffer + pibRcOffset));
//Make this instance valid by assigning a ParsedType other than none.
parsedType(ParsedType::SBE_SCOM_PIB_ERROR);
retval = true;
}
while(0);
return retval;
}
//------------------------------------------------------------------------
bool FfdcScomPibErrorPackage::doesPackageMatchSchema(const ffdc_package&
i_ffdc)
{
//Schema
// u32 u32 u64 u32 u64
// | FAPI RC | SCOM ADDR SIZE | SCOM ADDR | PIB RC SIZE | PIB RC |
bool retval{false};
do
{
if(nullptr == i_ffdc.ffdcPtr)
{
return retval;
}
constexpr uint32_t l_expectedPIBSize = sizeof(uint64_t);
constexpr uint32_t l_expectedScomAddrSize{sizeof(uint64_t)};
constexpr size_t expectedSize = sizeof(uint32_t) + //FAPI RC
sizeof(uint32_t) + //size of Scom Addr
sizeof(uint64_t) + //Scom Address
sizeof(uint32_t) + //size of PIB RC
sizeof(uint64_t); //PIB RC
constexpr size_t scomAddrSizeOffset = sizeof(uint32_t); //FAPI RC
constexpr size_t pibSizeOffset = sizeof(uint32_t) + //FAPI RC
sizeof(uint32_t) + //size of Scom Addr
sizeof(uint64_t); //Scom Address
if(expectedSize != i_ffdc.size)
{
break;
}
const char* l_buffer = reinterpret_cast<const char*>(i_ffdc.ffdcPtr);
if(l_expectedScomAddrSize != *(reinterpret_cast<const uint32_t*>
(l_buffer + scomAddrSizeOffset)))
{
break;
}
uint32_t l_pibSize = *(reinterpret_cast<const uint32_t*>
(l_buffer + pibSizeOffset));
if(l_expectedPIBSize != l_pibSize)
{
//This can be deduced as uint32_t, we'll check uint16_t as well
if(not (l_pibSize < l_expectedPIBSize && l_pibSize != 0 &&
0 == l_pibSize%sizeof(uint16_t)))
{
break;
}
}
retval = true;
}
while(0);
return retval;
}
//--------------------------------------------------------------------------
void FfdcScomPibErrorPackage::addFruCallouts(TARGETING::Target* i_target,
errlHndl_t i_errl
) const
{
if(isValid())
{
if(PIB::PIB_NO_ERROR != iv_pibRc && INVALID_DATA != iv_pibRc)
{
PIB::addFruCallouts
(i_target, iv_pibRc, iv_scomAddress, i_errl);
}
}
}
//---------------------------------------------------------------------------
void FfdcScomPibErrorPackage::operator()(TARGETING::Target* i_target,
errlHndl_t i_errl
) const
{
if(isValid())
{
addFruCallouts(i_target, i_errl);
}
}
}
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