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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/attn/attnproc.C $ */
/* */
/* IBM CONFIDENTIAL */
/* */
/* COPYRIGHT International Business Machines Corp. 2012,2014 */
/* */
/* 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 otherwise */
/* divested of its trade secrets, irrespective of what has been */
/* deposited with the U.S. Copyright Office. */
/* */
/* Origin: 30 */
/* */
/* IBM_PROLOG_END_TAG */
/**
* @file attnproc.C
*
* @brief HBATTN Processor attention operations function definitions.
*/
#include <errl/errlmanager.H>
#include "attnproc.H"
#include "attnlist.H"
#include "attntrace.H"
using namespace std;
using namespace PRDF;
using namespace TARGETING;
using namespace ERRORLOG;
namespace ATTN
{
errlHndl_t ProcOps::query(const AttnData & i_attnToCheck, bool & o_active)
{
errlHndl_t err = 0;
uint64_t address = 0, checkbits = 0, scomData = 0;
GFIR::getAddress(i_attnToCheck.attnType, address);
GFIR::getCheckbits(i_attnToCheck.attnType, checkbits);
err = getScom(i_attnToCheck.targetHndl, address, scomData);
if(!err)
{
if(scomData & checkbits)
{
o_active = true;
}
else
{
o_active = false;
}
}
return err;
}
errlHndl_t ProcOps::resolveIpoll(
TargetHandle_t i_proc,
AttentionList & o_attentions)
{
errlHndl_t err = NULL;
uint64_t on = 0;
uint64_t observed = 0;
bool active = false;
AttnData d;
// very unlikely, but look for any
// supported bits on in the
// status register, in case the other
// thread hasn't masked it yet
err = getScom(i_proc, IPOLL_STATUS_REG, on);
if(err)
{
errlCommit(err, ATTN_COMP_ID);
}
// also look for any supported bits on in the
// mask register, indicating that the other thread
// saw the error and masked it.
err = getScom(i_proc, IPOLL::address, observed);
if(err)
{
errlCommit(err, ATTN_COMP_ID);
}
for(uint64_t type = INVALID_ATTENTION_TYPE;
type != END_ATTENTION_TYPE;
++type)
{
uint64_t supported = 0;
if(!IPOLL::getCheckbits(type, supported))
{
// this object doesn't support
// this attention type
continue;
}
// analysis should be done if the bit for this
// attention type is either on in the status reg
// or masked in the mask reg
if(!(supported & (on | observed)))
{
continue;
}
d.attnType = static_cast<ATTENTION_VALUE_TYPE>(type);
d.targetHndl = i_proc;
// to be sure, query corresponding GFIR
err = query(d, active);
if(err)
{
errlCommit(err, ATTN_COMP_ID);
}
else if(active)
{
o_attentions.add(Attention(d, this));
break;
}
}
return err;
}
errlHndl_t ProcOps::resolve(
TargetHandle_t i_proc,
uint64_t i_typeMask,
AttentionList & o_attentions)
{
errlHndl_t err = 0;
bool active = false;
AttnData d;
d.targetHndl = i_proc;
uint64_t ignored;
for(uint64_t type = INVALID_ATTENTION_TYPE;
type != END_ATTENTION_TYPE;
++type)
{
if(!enabled())
{
break;
}
if(!GFIR::getCheckbits(type, ignored))
{
// this object doesn't support
// this attention type
continue;
}
uint64_t mask = 0;
IPOLL::getCheckbits(type, mask);
if(!(mask & ~i_typeMask))
{
// this attention type is masked
continue;
}
d.attnType = static_cast<ATTENTION_VALUE_TYPE>(type);
err = query(d, active);
if(err)
{
errlCommit(err, ATTN_COMP_ID);
}
else if(active)
{
o_attentions.add(Attention(d, this));
break;
}
}
return err;
}
}
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