/* IBM_PROLOG_BEGIN_TAG */ /* This is an automatically generated prolog. */ /* */ /* $Source: src/usr/targeting/attrPlatOverride.C $ */ /* */ /* OpenPOWER HostBoot Project */ /* */ /* Contributors Listed Below - COPYRIGHT 2014,2018 */ /* [+] 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 */ #include #include #include #include #include #include namespace TARGETING { const std::pair tankLayerToPnor[AttributeTank::TANK_LAYER_LAST] = { std::make_pair(AttributeTank::TANK_LAYER_FAPI, PNOR::ATTR_TMP), std::make_pair(AttributeTank::TANK_LAYER_TARG, PNOR::ATTR_TMP), std::make_pair(AttributeTank::TANK_LAYER_PERM, PNOR::ATTR_PERM) }; errlHndl_t getAttrOverrides(PNOR::SectionInfo_t &i_sectionInfo, AttributeTank* io_tanks[AttributeTank::TANK_LAYER_LAST]) { TRACFCOMP(g_trac_targeting,"attrPlatOverride::getAttrOverrides ENTER"); // Create local permanent override tank and array of tanks errlHndl_t l_err = NULL; AttributeTank l_PermTank; AttributeTank* l_overTanks[AttributeTank::TANK_LAYER_LAST]; // Local pointer to array containing each tank layer or io_tanks AttributeTank* *l_pOverTanks; // If no attribute tanks specified grab all TankLayers to create attribute // tanks with in enum order if (io_tanks == NULL) { // All indexes are -1 due to the first enum being TANK_LAYER_NONE, l_overTanks[AttributeTank::TANK_LAYER_FAPI-1] = &fapi2::theAttrOverrideSync().iv_overrideTank; l_overTanks[AttributeTank::TANK_LAYER_TARG-1] = &Target::theTargOverrideAttrTank(); l_overTanks[AttributeTank::TANK_LAYER_PERM-1] = &l_PermTank; l_pOverTanks = l_overTanks; } else { l_pOverTanks = io_tanks; } do { if (!SECUREBOOT::allowAttrOverrides()) { TRACFCOMP(g_trac_targeting,"attrPlatOverride::getAttrOverrides: " "skipping since Attribute Overrides are not allowed"); break; } TRACFCOMP( g_trac_targeting, "Section id=%d, size=%d", i_sectionInfo.id, i_sectionInfo.size ); uint32_t l_index = 0; // Deserialize each section while (l_index < i_sectionInfo.size) { AttrOverrideSection * l_pAttrOverSec = reinterpret_cast (i_sectionInfo.vaddr + l_index); // Reached termination chunk if (l_pAttrOverSec->iv_layer == AttributeTank::TANK_LAYER_TERM) { TRACFCOMP(g_trac_targeting,"attrPlatOverride::getAttrOverrides Reached termination section at chunk (0x%x)", (i_sectionInfo.size - l_index)); break; } // Remaining chunk smaller than AttrOverrideSection, quit if (sizeof(AttrOverrideSection) > (i_sectionInfo.size - l_index)) { TRACFCOMP(g_trac_targeting,"attrPlatOverride::getAttrOverrides AttrOverrideSection too big for chunk (0x%x)", (i_sectionInfo.size - l_index)); /*@ * @errortype * @moduleid TARG_GET_ATTR_OVER * @reasoncode TARG_RC_ATTR_OVER_PNOR_SEC_SPACE_FAIL * @userdata1 PNOR Section specified * @userdata2 Size of AttrOverrideSection * @devdesc AttrOverrideSection too big to fit in remaining * chunk of pnor section * @custdesc Invalid configuration data in firmware Processor * NOR flash */ l_err = new ERRORLOG::ErrlEntry (ERRORLOG::ERRL_SEV_PREDICTIVE, TARG_GET_ATTR_OVER, TARG_RC_ATTR_OVER_PNOR_SEC_SPACE_FAIL, i_sectionInfo.id, sizeof(AttrOverrideSection)); l_err->addProcedureCallout(HWAS::EPUB_PRC_SP_CODE, HWAS::SRCI_PRIORITY_HIGH); break; } l_index += sizeof(AttrOverrideSection); // Remaining chunk smaller than serialized chunk size, quit if (l_pAttrOverSec->iv_size > (i_sectionInfo.size - l_index)) { TRACFCOMP(g_trac_targeting,"attrPlatOverride::getAttrOverrides serialized chunk too big for chunk (0x%x)", (i_sectionInfo.size - l_index)); /*@ * @errortype * @moduleid TARG_GET_ATTR_OVER * @reasoncode TARG_RC_ATTR_OVER_ATTR_DATA_SIZE_FAIL * @userdata1 PNOR Section specified * @userdata2 Size of Serialized attribute override * @devdesc Serialized attribute override chunk too big to * fit in remaining chunck of pnor section * @custdesc Invalid configuration data in firmware Processor * NOR flash */ l_err = new ERRORLOG::ErrlEntry (ERRORLOG::ERRL_SEV_PREDICTIVE, TARG_GET_ATTR_OVER, TARG_RC_ATTR_OVER_ATTR_DATA_SIZE_FAIL, i_sectionInfo.id, l_pAttrOverSec->iv_size); l_err->addProcedureCallout(HWAS::EPUB_PRC_SP_CODE, HWAS::SRCI_PRIORITY_HIGH); break; } // Check if a tank layer is specified, if not we can't apply the // attribute override. if (l_pAttrOverSec->iv_layer == AttributeTank::TANK_LAYER_NONE) { TRACFCOMP(g_trac_targeting,"attrPlatOverride::getAttrOverrides no tank layer specified at chunk (0x%x)", (i_sectionInfo.size - l_index)); /*@ * @errortype * @moduleid TARG_GET_ATTR_OVER * @reasoncode TARG_RC_WRITE_ATTR_OVER_NO_TANK_LAYER * @userdata1 PNOR Section specified * @userdata2 Chunk location with no tank layer * @devdesc No tank layer was specified for attribute * override. * @custdesc Invalid configuration data in firmware Processor * NOR flash */ l_err = new ERRORLOG::ErrlEntry (ERRORLOG::ERRL_SEV_PREDICTIVE, TARG_GET_ATTR_OVER, TARG_RC_WRITE_ATTR_OVER_NO_TANK_LAYER, i_sectionInfo.id, (i_sectionInfo.size - l_index)); l_err->collectTrace("TARG",256); l_err->addProcedureCallout(HWAS::EPUB_PRC_SP_CODE, HWAS::SRCI_PRIORITY_HIGH); ERRORLOG::errlCommit(l_err, TARG_COMP_ID); } // Check if the AttrOverSec is in the correct PNOR section // It was decided that this should not cause a failed IPL, so the // override will not be applied, the errl will be committed, then // we move on. else if (tankLayerToPnor[l_pAttrOverSec->iv_layer - 1].second != i_sectionInfo.id) { TRACFCOMP(g_trac_targeting,"getAttrOverrides: Failed to apply override - override with TankLayer 0x%X should not be in PNOR::%s", l_pAttrOverSec->iv_layer, i_sectionInfo.name); /*@ * @errortype * @moduleid TARG_GET_ATTR_OVER * @reasoncode TARG_RC_WRITE_ATTR_OVER_WRONG_PNOR_SEC * @userdata1 Tank Layer of attribute * @userdata2 PNOR Section specified * @devdesc Attribute override is in the wrong pnor section * needs to be moved to the section associated * with its attribute tank layer * @custdesc Invalid configuration data in firmware Processor * NOR flash */ l_err = new ERRORLOG::ErrlEntry (ERRORLOG::ERRL_SEV_PREDICTIVE, TARG_GET_ATTR_OVER, TARG_RC_WRITE_ATTR_OVER_WRONG_PNOR_SEC, l_pAttrOverSec->iv_layer, i_sectionInfo.id); l_err->collectTrace("TARG",256); l_err->addProcedureCallout(HWAS::EPUB_PRC_SP_CODE, HWAS::SRCI_PRIORITY_HIGH); ERRORLOG::errlCommit(l_err, TARG_COMP_ID); } // Only apply attribute override if in the correct PNOR section else { TRACFCOMP(g_trac_targeting,"getAttrOverrides:" " override into TankLayer 0x%X", l_pAttrOverSec->iv_layer); // Get the AttributeTank that corresponds to the TankLayer in // the AttrOverrideSection. Enum starts with TANK_LAYER_NONE // so need to subtract 1 AttributeTank* l_ptank = l_pOverTanks[l_pAttrOverSec->iv_layer - 1]; // Create serialized chunck with AttrOverrideSection data AttributeTank::AttributeSerializedChunk l_chunk; l_chunk.iv_size = l_pAttrOverSec->iv_size; l_chunk.iv_pAttributes = &l_pAttrOverSec->iv_chunk[0]; // Deserialize the data with the approriate AttributeTank l_ptank->deserializeAttributes(l_chunk, true); // The extraction of FAPI Tank Override Attributes is // not supported. Note it here at ingestion so no // silent fail later if ( l_pAttrOverSec->iv_layer == AttributeTank::TANK_LAYER_FAPI ) { TRACFCOMP(g_trac_targeting, "getAttrOverrides: " "FAPI Tank Layer Not Supported"); /*@ * @errortype * @moduleid TARG_GET_ATTR_OVER * @reasoncode TARG_RC_ATTR_OVER_FAPI_TANK_NOT_SUPPORTED * @userdata1 Tank Layer of attribute * @userdata2 PNOR Section specified * @devdesc Attribute override is in the FAPI Tank * which is not supported * @custdesc Unsupported override configuration data */ l_err = new ERRORLOG::ErrlEntry (ERRORLOG::ERRL_SEV_UNRECOVERABLE, TARG_GET_ATTR_OVER, TARG_RC_ATTR_OVER_FAPI_TANK_NOT_SUPPORTED, l_pAttrOverSec->iv_layer, i_sectionInfo.id); l_err->collectTrace("TARG",256); l_err->addProcedureCallout(HWAS::EPUB_PRC_SP_CODE, HWAS::SRCI_PRIORITY_HIGH); ERRORLOG::errlCommit(l_err, TARG_COMP_ID); } } l_index += l_pAttrOverSec->iv_size; } if (l_err) { break; } // Write permanent attribute overrides if ((i_sectionInfo.id == PNOR::ATTR_PERM) && (l_PermTank.size() > 0) ) { // l_PermTank should be empty if the section is not ATTR_PERM // with the check above, but sanity check l_err = l_PermTank.writePermAttributes(); break; } } while(0); TRACFCOMP(g_trac_targeting,"attrPlatOverride::getAttrOverrides EXIT"); return l_err; } } // end of namespace