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/* 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 <targeting/attrPlatOverride.H>
#include <fapi2/plat_attr_override_sync.H>
#include <targeting/common/trace.H>
#include <targeting/common/targreasoncodes.H>
#include <errl/errlmanager.H>
#include <secureboot/service.H>
namespace TARGETING
{
const std::pair<AttributeTank::TankLayer, PNOR::SectionId>
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<AttrOverrideSection *>
(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
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