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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/targeting/runtime/attrPlatOverride_rt.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2014,2019 */
/* [+] 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 */
#include <runtime/interface.h>
#include <runtime/rt_targeting.H>
#include <targeting/common/commontargeting.H>
#include <targeting/attrPlatOverride.H>
#include <fapi2/plat_attr_override_sync.H>
#include <targeting/common/trace.H>
#include <errl/errlmanager.H>
#include <initservice/initserviceif.H>
#include <secureboot/service.H>
#include <targeting/common/targreasoncodes.H>
#include <devicefw/userif.H>
#include <util/runtime/util_rt.H>
#include <sys/internode.h>
extern trace_desc_t* g_trac_hbrt;
using namespace TARGETING;
namespace RT_TARG
{
int apply_attr_override(uint8_t* i_data,
size_t i_size )
{
int rc = 0;
errlHndl_t l_errl = NULL;
TRACFCOMP(g_trac_hbrt, ENTER_MRK" apply_attr_override");
TRACFCOMP(g_trac_targeting, "enter apply_attr_override");
bool l_allowOverrides = true;
#ifdef CONFIG_SECUREBOOT
l_allowOverrides = SECUREBOOT::allowAttrOverrides();
#endif
if (l_allowOverrides)
{
// Clear fapi and targeting attribute override tanks. The tanks are
// expected to be empty. The passed overrides are added, not updated
// in place.
AttributeTank * l_pAttributeTank =
&fapi2::theAttrOverrideSync().iv_overrideTank;
if ((*l_pAttributeTank).attributesExist())
{
TRACFCOMP(g_trac_targeting, "apply_attr_override:"
" clear FAPI attribute overrides");
(*l_pAttributeTank).clearAllAttributes();
}
l_pAttributeTank = &Target::theTargOverrideAttrTank();
if ((*l_pAttributeTank).attributesExist())
{
TRACFCOMP(g_trac_targeting, "apply_attr_override:"
" clear targeting attribute overrides");
(*l_pAttributeTank).clearAllAttributes();
}
// Pass attribute override blob as a pnor section
PNOR::SectionInfo_t l_sectionInfo;
l_sectionInfo.vaddr = (uint64_t)i_data;
l_sectionInfo.size = i_size;
l_sectionInfo.id = PNOR::ATTR_TMP;
l_sectionInfo.name = "Runtime TMP";
// Process attribute overrides
l_errl = TARGETING::getAttrOverrides(l_sectionInfo);
if (l_errl)
{
TRACFCOMP(g_trac_targeting, "apply_attr_override:"
" getAttrOverrides failed");
errlCommit(l_errl, TARG_COMP_ID);
rc = -1;
}
}
else
{
#ifdef CONFIG_SECUREBOOT
TRACFCOMP(g_trac_targeting, "apply_attr_override: skipping override"
" due to SECUREBOOT enablement");
/* @
* @errortype
* @moduleid TARG_APPLY_ATTR_OVER
* @reasoncode TARG_RC_APPLY_ATTR_OVER_NOT_ALLOWED
* @devdesc PnorRP::getSectionInfo> Skipping attribute override
* because of secureboot enablement
* @custdesc Attributes overrides are not allowed in secure mode.
*/
l_errl = new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_INFORMATIONAL,
TARG_APPLY_ATTR_OVER,
TARG_RC_APPLY_ATTR_OVER_NOT_ALLOWED,
0,
0,
true /* Add HB SW Callout */);
l_errl->collectTrace(TARG_COMP_NAME);
errlCommit(l_errl, TARG_COMP_ID);
rc = -1;
#endif
}
TRACFCOMP(g_trac_hbrt, EXIT_MRK" apply_attr_override: rc=%d");
return rc;
}
void applyTempOverrides()
{
TRACFCOMP(g_trac_targeting, ENTER_MRK"applyTempOverrides");
errlHndl_t l_err = NULL;
bool l_usingStash = false;
for(NODE_ID l_nodeId = NODE0;
l_nodeId < Singleton<AttrRP>::instance().getNodeCount();
l_nodeId++)
{
// Get a pointer to the reserved memory where HB
// saved the overrides during boot
uint64_t l_overAttrSize = 0;
uint64_t l_overAddr = hb_get_rt_rsvd_mem(Util::HBRT_MEM_LABEL_ATTROVER,
l_nodeId, l_overAttrSize);
// Having no overrides is a normal thing
if( (l_overAddr == 0) )
{
TRACFCOMP(g_trac_targeting, "No Overrides found" );
TRACFCOMP(g_trac_targeting, EXIT_MRK"applyTempOverrides");
continue;
}
else
{
TRACFCOMP(g_trac_targeting, "Overrides found at %.16llX",
l_overAddr );
}
// Use a faux PNOR Section that is associated
// with the data in mainstore
PNOR::SectionInfo_t l_info;
l_info.vaddr = l_overAddr;
l_info.size = l_overAttrSize;
l_info.id = PNOR::ATTR_TMP;
l_info.name = "HBRT Overrides";
TRACFCOMP(g_trac_targeting," HBRT: processing overrides from boot");
l_err = TARGETING::getAttrOverrides(l_info);
if (l_err)
{
TRACFCOMP(g_trac_targeting," HBRT: Failed applying overrides");
if( l_usingStash )
{
// if the new RHB is in use, this will always fail
// so just delete the error
delete l_err;
l_err = nullptr;
}
else
{
errlCommit( l_err, TARG_COMP_ID );
}
}
}
TRACFCOMP(g_trac_targeting, EXIT_MRK"applyTempOverrides");
}
//------------------------------------------------------------------------
struct registerTargRT
{
registerTargRT()
{
runtimeInterfaces_t * rt_intf = getRuntimeInterfaces();
rt_intf->apply_attr_override = &apply_attr_override;
postInitCalls_t * rt_post = getPostInitCalls();
rt_post->callApplyTempOverrides = &applyTempOverrides;
}
};
registerTargRT g_registerTargRT;
} // end of namespace
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