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/* IBM_PROLOG_BEGIN_TAG
* This is an automatically generated prolog.
*
* $Source: src/usr/hwas/hwasPlat.C $
*
* IBM CONFIDENTIAL
*
* COPYRIGHT International Business Machines Corp. 2012
*
* p1
*
* Object Code Only (OCO) source materials
* Licensed Internal Code Source Materials
* IBM HostBoot Licensed Internal Code
*
* The source code for this program is not published or other-
* wise divested of its trade secrets, irrespective of what has
* been deposited with the U.S. Copyright Office.
*
* Origin: 30
*
* IBM_PROLOG_END_TAG
*/
/**
* @file hwasPlat.C
*
* @brief Platform specifics
*/
#include <hwas/common/hwas.H>
#include <hwas/common/hwasCommon.H>
#include <hwas/common/hwasError.H>
#include <devicefw/driverif.H>
#include <initservice/taskargs.H>
namespace HWAS
{
using namespace TARGETING;
//******************************************************************************
// platReadIDEC function
//******************************************************************************
errlHndl_t platReadIDEC(const TargetHandle_t &i_target)
{
// we got a target - read the ID/EC
// and update the appropriate ATTR_ field.
uint64_t id_ec;
size_t op_size = sizeof(id_ec);
errlHndl_t errl = NULL;
errl = DeviceFW::deviceRead(i_target, &id_ec,
op_size, DEVICE_SCOM_ADDRESS(0x000F000Full));
if (errl == NULL)
{ // no error, so we got a valid ID/EC value back
// EC - nibbles 0,2
// 01234567
uint8_t ec = (((id_ec & 0xF000000000000000ull) >> 56) |
((id_ec & 0x00F0000000000000ull) >> 52));
i_target->setAttr<ATTR_EC>(ec);
// ID - nibbles 1,5,3,4
// 01234567
uint32_t id = (((id_ec & 0x0F00000000000000ull) >> 44) |
((id_ec & 0x00000F0000000000ull) >> 32) |
((id_ec & 0x000F000000000000ull) >> 44) |
((id_ec & 0x0000F00000000000ull) >> 44));
i_target->setAttr<ATTR_CHIP_ID>(id);
HWAS_DBG( "i_target %.8X (%p) - id %x ec %x",
i_target->getAttr<ATTR_HUID>(), i_target, id, ec);
}
else
{ // errl was set - this is an error condition.
HWAS_ERR( "i_target %.8X (%p) - failed ID/EC read",
i_target->getAttr<ATTR_HUID>(), i_target);
}
return errl;
} // platReadIDEC
//******************************************************************************
// platPresenceDetect function
//******************************************************************************
errlHndl_t platPresenceDetect(TargetHandleList &io_targets)
{
errlHndl_t errl = NULL;
// we got a list of targets - determine if they are present
// if not, delete them from the list
for (TargetHandleList::iterator pTarget_it = io_targets.begin();
pTarget_it != io_targets.end();
) // increment will be done in the loop below
{
TargetHandle_t pTarget = *pTarget_it;
// call deviceRead() to see if they are present
bool present = false;
size_t presentSize = sizeof(present);
errl = deviceRead(pTarget, &present, presentSize,
DEVICE_PRESENT_ADDRESS());
if (unlikely(errl != NULL))
{ // errl was set - this is an error condition.
HWAS_ERR( "pTarget %.8X (%p) - failed presence detect",
pTarget->getAttr<ATTR_HUID>(), pTarget);
// commit the error but keep going
errlCommit(errl, HWAS_COMP_ID);
// errl is now NULL
// target is not present - fall thru
present = false;
}
if (present == true)
{
HWAS_DBG( "pTarget %.8X (%p) - detected present",
pTarget->getAttr<ATTR_HUID>(), pTarget);
// advance to next entry in the list
pTarget_it++;
}
else
{ // chip not present -- remove from list
HWAS_DBG( "pTarget %.8X (%p) - no presence",
pTarget->getAttr<ATTR_HUID>(), pTarget);
// erase this target, and 'increment' to next
pTarget_it = io_targets.erase(pTarget_it);
}
} // for pTarget_it
return errl;
} // platPresenceDetect
} // namespace HWAS
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