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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/util/runtime/utillidmgr_rt.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2013,2016 */
/* [+] 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 <stdio.h>
#include <algorithm>
#include <util/utillidmgr.H>
#include <util/util_reasoncodes.H>
#include <errl/errlmanager.H>
#include <vfs/vfs.H>
#include <runtime/interface.h>
#include <initservice/initserviceif.H>
UtilLidMgr::UtilLidMgr(uint32_t i_lidId) :
iv_isLidInPnor(false), iv_lidBuffer(NULL), iv_lidSize(0),
iv_isLidInVFS(false)
{
updateLid(i_lidId);
}
UtilLidMgr::~UtilLidMgr()
{
errlHndl_t l_err = NULL;
l_err = cleanup();
if(l_err)
{
//cleanup errors are extermely rare
ERRORLOG::errlCommit( l_err, UTIL_COMP_ID );
}
}
errlHndl_t UtilLidMgr::setLidId(uint32_t i_lidId)
{
errlHndl_t l_err = NULL;
//must call cleanup before updateLid
l_err = cleanup();
updateLid(i_lidId);
return l_err;
}
errlHndl_t UtilLidMgr::getLidSize(size_t& o_lidSize)
{
errlHndl_t l_err = loadLid();
o_lidSize = iv_lidSize;
return l_err;
}
errlHndl_t UtilLidMgr::getLid(void* i_dest, size_t i_destSize)
{
errlHndl_t l_err = loadLid();
if (iv_lidBuffer != NULL)
{
memcpy(i_dest, iv_lidBuffer, std::min(i_destSize, iv_lidSize));
}
return l_err;
}
errlHndl_t UtilLidMgr::getStoredLidImage(void*& o_pLidImage,
size_t& o_lidImageSize)
{
errlHndl_t l_err = NULL;
if((NULL == iv_lidBuffer) || (0 == iv_lidSize))
{
l_err = loadLid();
}
if(l_err)
{
o_lidImageSize = 0;
o_pLidImage = NULL;
}
else
{
o_lidImageSize = iv_lidSize;
o_pLidImage = iv_lidBuffer;
}
return l_err;
}
errlHndl_t UtilLidMgr::releaseLidImage(void)
{
errlHndl_t l_err = cleanup();
return l_err;
}
errlHndl_t UtilLidMgr::loadLid()
{
if (NULL != iv_lidBuffer) return NULL;
const char* l_addr = NULL;
size_t l_size = 0;
errlHndl_t l_errl = NULL;
do
{
if(iv_isLidInVFS)
{
l_errl = VFS::module_address(iv_lidFileName, l_addr, l_size);
if (l_errl)
{
break;
}
iv_lidBuffer = const_cast<void*>(reinterpret_cast<const void*>
(l_addr));
iv_lidSize = l_size;
}
else if (iv_isLidInPnor)
{
iv_lidSize = iv_lidPnorInfo.size;
iv_lidBuffer = reinterpret_cast<char *>(iv_lidPnorInfo.vaddr);
}
else if( g_hostInterfaces->lid_load
&& INITSERVICE::spBaseServicesEnabled() )
{
int rc = g_hostInterfaces->lid_load(iv_lidId, &iv_lidBuffer,
&iv_lidSize);
if (0 != rc)
{
/*@
* @errortype ERRL_SEV_INFORMATIONAL
* @moduleid Util::UTIL_LIDMGR_RT
* @reasoncode Util::UTIL_LIDMGR_RC_FAIL
* @userdata1 Return code from lid_load call.
* @userdata2 Lid number
* @devdesc Unable to load LID via host interface.
*/
l_errl = new ERRORLOG::ErrlEntry(
ERRORLOG::ERRL_SEV_INFORMATIONAL,
Util::UTIL_LIDMGR_RT,
Util::UTIL_LIDMGR_RC_FAIL,
rc,
iv_lidId,
true/*SW Error*/);
break;
}
}
// Could not find the lid anywhere
if( iv_lidSize == 0 )
{
/*@
* @errortype ERRL_SEV_INFORMATIONAL
* @moduleid Util::UTIL_LIDMGR_RT
* @reasoncode Util::UTIL_LIDMGR_NOT_FOUND
* @userdata1 Lid number
* @devdesc Unable to find Lid.
*/
l_errl = new ERRORLOG::ErrlEntry(
ERRORLOG::ERRL_SEV_INFORMATIONAL,
Util::UTIL_LIDMGR_RT,
Util::UTIL_LIDMGR_NOT_FOUND,
iv_lidId,
0,
true/*SW Error*/);
break;
}
} while (0);
return l_errl;
}
errlHndl_t UtilLidMgr::cleanup()
{
errlHndl_t l_err = NULL;
if ((!iv_isLidInVFS) && (!iv_isLidInPnor) && (NULL != iv_lidBuffer))
{
int l_rc = g_hostInterfaces->lid_unload(iv_lidBuffer);
if (l_rc)
{
/*@
* @errortype ERRL_SEV_INFORMATIONAL
* @moduleid Util::UTIL_LIDMGR_RT
* @reasoncode Util::UTIL_LIDMGR_UNLOAD_RC_FAIL
* @userdata1 Return code from lid_unload call.
* @devdesc Unable to unload LID via host interface.
*/
l_err = new ERRORLOG::ErrlEntry(
ERRORLOG::ERRL_SEV_INFORMATIONAL,
Util::UTIL_LIDMGR_RT,
Util::UTIL_LIDMGR_UNLOAD_RC_FAIL,
l_rc);
}
}
iv_lidBuffer = NULL;
iv_lidSize = 0;
iv_isLidInPnor = false;
iv_isLidInVFS = false;
return l_err;
}
void UtilLidMgr::updateLid(uint32_t i_lidId)
{
iv_lidId = i_lidId;
// Check if PNOR is access is supported
if (!g_hostInterfaces->pnor_read ||
INITSERVICE::spBaseServicesEnabled())
{
iv_isLidInPnor = false;
}
else
{
// If it's in PNOR it's not technically a lid
// so use a slightly different extension
iv_isLidInPnor = getLidPnorSection(iv_lidId, iv_lidPnorInfo);
}
sprintf(iv_lidFileName, "%x.lidbin", iv_lidId);
iv_isLidInVFS = VFS::module_exists(iv_lidFileName);
}
const uint32_t * UtilLidMgr::getLidList(size_t * o_num)
{
static uint32_t lidlist[] =
{
Util::OCC_LIDID
// add SLW lids if ever needed
};
*o_num = sizeof(lidlist)/sizeof(lidlist[0]);
return lidlist;
}
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