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|
/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/common/framework/register/prdfHomRegisterAccess.C $ */
/* */
/* IBM CONFIDENTIAL */
/* */
/* COPYRIGHT International Business Machines Corp. 2002,2012 */
/* */
/* 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 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 prdfHomRegisterAccess.C
@brief definition of HomRegisterAccess
*/
//----------------------------------------------------------------------
// Includes
//----------------------------------------------------------------------
#define prdfHomRegisterAccess_C
#ifdef __HOSTBOOT_MODULE
#include <ecmdDataBufferBase.H>
#include <fapi.H>
#include <errlmanager.H>
#include <devicefw/userif.H>
#include <targeting/common/targetservice.H>
#else
#include <ecmdDataBuffer.H>
#include <hwsvScanScom.H>
#include <chicservlib.H>
#include <hwsvExecutionService.H>
#endif
#include <prdfHomRegisterAccess.H>
#include <prdf_service_codes.H>
#include <iipbits.h>
#include <iipglobl.h>
#include <prdfMain.H>
#include <prdfPlatServices.H>
#undef prdfHomRegisterAccess_C
namespace PRDF
{
//----------------------------------------------------------------------
// User Types
//----------------------------------------------------------------------
//----------------------------------------------------------------------
// Constants
//----------------------------------------------------------------------
//----------------------------------------------------------------------
// Macros
//----------------------------------------------------------------------
//----------------------------------------------------------------------
// Internal Function Prototypes
//----------------------------------------------------------------------
//----------------------------------------------------------------------
// Global Variables
//----------------------------------------------------------------------
//------------------------------------------------------------------------------
// Member Function Specifications
//------------------------------------------------------------------------------
ScomService& getScomService()
{
return PRDF_GET_SINGLETON(theScomService);
}
ScomService::ScomService() :
iv_ScomAccessor(NULL)
{
PRDF_DTRAC("ScomService() initializing default iv_ScomAccessor");
iv_ScomAccessor = new ScomAccessor();
}
ScomService::~ScomService()
{
if(NULL != iv_ScomAccessor)
{
PRDF_DTRAC("~ScomService() deleting iv_ScomAccessor");
delete iv_ScomAccessor;
iv_ScomAccessor = NULL;
}
}
void ScomService::setScomAccessor(ScomAccessor & i_ScomAccessor)
{
PRDF_DTRAC("ScomService::setScomAccessor() setting new scom accessor");
if(NULL != iv_ScomAccessor)
{
PRDF_TRAC("ScomService::setScomAccessor() deleting old iv_ScomAccessor");
delete iv_ScomAccessor;
iv_ScomAccessor = NULL;
}
iv_ScomAccessor = &i_ScomAccessor;
}
uint32_t ScomService::Access(TARGETING::TargetHandle_t i_target,
BIT_STRING_CLASS & bs,
uint64_t registerId,
MopRegisterAccess::Operation operation) const
{
PRDF_DENTER("ScomService::Access()");
uint32_t rc = iv_ScomAccessor->Access(i_target,
bs,
registerId,
operation);
PRDF_DEXIT("ScomService::Access(): rc=%d", rc);
return rc;
}
uint32_t ScomAccessor::Access(TARGETING::TargetHandle_t i_target,
BIT_STRING_CLASS & bs,
uint64_t registerId,
MopRegisterAccess::Operation operation) const
{
PRDF_DENTER("ScomAccessor::Access()");
uint32_t rc = SUCCESS;
errlHndl_t errH = NULL;
uint32_t bsize = bs.GetLength();
uint32_t l_ecmdRc = ECMD_DBUF_SUCCESS;
if(i_target != NULL)
{
#ifdef __HOSTBOOT_MODULE
ecmdDataBufferBase buffer(bsize);
uint64_t l_data = 0;
size_t l_size = sizeof(uint64_t);
#else
ecmdDataBuffer buffer(bsize);
#endif
switch (operation)
{
case MopRegisterAccess::WRITE:
for(unsigned int i = 0; i < bsize; ++i)
{
if(bs.IsSet(i)) buffer.setBit(i);
}
// FIXME: If register is in a EX chiplet, need to also update
// PORE image ????
#ifdef __HOSTBOOT_MODULE
l_data = buffer.getDoubleWord(0);
errH = deviceWrite( i_target,
&l_data,
l_size,
DEVICE_SCOM_ADDRESS(registerId));
#else
errH = HWSV::hwsvPutScom(i_target, registerId, buffer);
#endif
break;
case MopRegisterAccess::READ:
bs.Pattern(0x00000000); // clear all bits
#ifdef __HOSTBOOT_MODULE
errH = deviceRead( i_target, &l_data, l_size,
DEVICE_SCOM_ADDRESS(registerId) );
l_ecmdRc = buffer.setDoubleWord(0, l_data);
#else
errH = HWSV::hwsvGetScom(i_target, registerId, buffer);
#endif
for(unsigned int i = 0; i < bsize; ++i)
{
if(buffer.isBitSet(i)) bs.Set(i);
}
break;
default:
PRDF_ERR("ScomAccessor::Access() unsuppported scom op: 0x%08X", operation);
break;
} // end switch operation
}
else // Invalid target
{
/*@
* @errortype
* @subsys EPUB_FIRMWARE_SP
* @reasoncode PRDF_CODE_FAIL
* @moduleid PRDF_HOM_SCOM
* @userdata1 PRD Return code = SCR_ACCESS_FAILED
* @userdata2 The invalid ID causing the fail
* @devdesc Access SCOM failed due to NULL target handle
* @procedure EPUB_PRC_SP_CODE
*/
// create an error log
PRDF_CREATE_ERRL(errH,
ERRL_SEV_PREDICTIVE, // error on diagnostic
ERRL_ETYPE_NOT_APPLICABLE,
SRCI_MACH_CHECK,
SRCI_NO_ATTR,
PRDF_HOM_SCOM, // module id
FSP_DEFAULT_REFCODE, // refcode What do we use???
PRDF_CODE_FAIL, // Reason code
SCR_ACCESS_FAILED, // user data word 1
PlatServices::getHuid(i_target), // user data word 2
0x0000, // user data word 3
0x0000 // user data word 4
);
}
if(errH)
{
rc = PRD_SCANCOM_FAILURE;
PRDF_ADD_SW_ERR(errH, rc, PRDF_HOM_SCOM, __LINE__);
PRDF_ADD_PROCEDURE_CALLOUT(errH, SRCI_PRIORITY_MED, EPUB_PRC_SP_CODE);
bool l_isAbort = false;
PRDF_ABORTING(l_isAbort);
if (!l_isAbort)
{
PRDF_COMMIT_ERRL(errH, ERRL_ACTION_SA|ERRL_ACTION_REPORT);
}
else
{
delete errH;
errH = NULL;
}
}
if (l_ecmdRc != ECMD_DBUF_SUCCESS)
{
PRDF_ERR( "ScomAccessor::Access ecmdDataBuffer "
"operation failed with ecmd_rc = 0x%.8X", l_ecmdRc );
/*@
* @errortype
* @subsys EPUB_FIRMWARE_SP
* @reasoncode PRDF_ECMD_DATA_BUFFER_FAIL
* @moduleid PRDF_HOM_SCOM
* @userdata1 ecmdDataBuffer return code
* @userdata2 Chip HUID
* @userdata3 unused
* @userdata4 unused
* @devdesc Low-level data buffer support returned a failure. Probable firmware error.
* @procedure EPUB_PRC_SP_CODE
*/
errlHndl_t ecmd_rc_errl = NULL;
PRDF_CREATE_ERRL(ecmd_rc_errl,
ERRL_SEV_PREDICTIVE, // error on diagnosticERRL_ETYPE_NOT_APPLICABLE
ERRL_ETYPE_NOT_APPLICABLE,
SRCI_MACH_CHECK, // B1xx src
SRCI_NO_ATTR,
PRDF_HOM_SCOM, // module id
FSP_DEFAULT_REFCODE, // refcode
PRDF_ECMD_DATA_BUFFER_FAIL, // Reason code - see prdf_service_codes.H
l_ecmdRc, // user data word 1
PlatServices::getHuid(i_target), // user data word 2
0, // user data word 3
0 // user data word 4
);
PRDF_ADD_PROCEDURE_CALLOUT(ecmd_rc_errl, SRCI_PRIORITY_MED, EPUB_PRC_SP_CODE);
PRDF_COMMIT_ERRL(ecmd_rc_errl, ERRL_ACTION_REPORT);
rc = FAIL;
}
PRDF_DEXIT("ScomAccessor::Access(): rc=%d", rc);
return rc;
}
//------------------------------------------------------------------------------
uint32_t HomRegisterAccessScom::Access( BIT_STRING_CLASS & bs,
uint64_t registerId,
Operation operation) const
{
PRDF_DENTER("HomRegisterAccessScom::Access()");
uint32_t rc = getScomService().Access(iv_ptargetHandle,
bs,
registerId,
operation);
PRDF_DEXIT("HomRegisterAccessScom::Access() rc=%d", rc);
return rc;
}
//------------------------------------------------------------------------------
HomRegisterAccessScan::HomRegisterAccessScan(
TARGETING::TargetHandle_t i_ptargetHandle,
ScanRingField * start, ScanRingField * end )
: MopRegisterAccess(), iv_punitHandle(i_ptargetHandle)
{
iv_aliasIds.reserve(end-start);
while(start != end)
{
iv_aliasIds.push_back(*start);
++start;
}
}
//------------------------------------------------------------------------------
uint32_t HomRegisterAccessScan::Access(BIT_STRING_CLASS & bs,
uint64_t registerId,
Operation operation) const
{
uint32_t rc = SUCCESS;
errlHndl_t errH = NULL;
HUID l_chipHUID = PlatServices::getHuid(iv_punitHandle);
if(operation == MopRegisterAccess::READ)
{
if(iv_punitHandle != NULL)
{
#ifdef __HOSTBOOT_MODULE
ecmdDataBufferBase buf(bs.GetLength());
#else
ecmdDataBuffer buf(bs.GetLength());
#endif
uint32_t curbit = 0;
bs.Pattern(0x00000000); // clear desination bit string
for(AliasIdList::const_iterator i = iv_aliasIds.begin(); i != iv_aliasIds.end(); ++i)
{
for(uint32_t j = 0; j != i->length; ++j)
{
if(buf.isBitSet(j)) bs.Set(j+curbit);
}
curbit += i->length;
}
}
else
{
/*@
* @errortype
* @subsys EPUB_FIRMWARE_SP
* @reasoncode PRDF_CODE_FAIL
* @moduleid PRDF_HOM_SCAN
* @userdata1 PRD Return code = SCR_ACCESS_FAILED
* @userdata2 The invalid ID causing the fail
* @userdata3 Code location = 0x0001
* @devdesc Access Scan failed due to an invalid function unit
* @procedure EPUB_PRC_SP_CODE
*/
// create an error log
PRDF_CREATE_ERRL(errH,
ERRL_SEV_PREDICTIVE, // error on diagnostic
ERRL_ETYPE_NOT_APPLICABLE,
SRCI_MACH_CHECK,
SRCI_NO_ATTR,
PRDF_HOM_SCAN, // module id
FSP_DEFAULT_REFCODE, // refcode What do we use???
PRDF_CODE_FAIL, // Reason code
SCR_ACCESS_FAILED, // user data word 1
l_chipHUID, // user data word 2
0x0001, // user data word 3
0x0000 // user data word 4
);
}
}
// PRD does not ever expect to write scan rings - create an error log
else
{
PRDF_ERR( "HomRegisterAccessScan::Access "
"only scan read is supported. Invalid Scan Op: 0x%.8X", operation );
/*@
* @errortype
* @subsys EPUB_FIRMWARE_SP
* @reasoncode PRDF_UNSUPPORTED_SCAN_WRITE
* @moduleid PRDF_HOM_SCAN
* @userdata1 PRD Return code = SCR_ACCESS_FAILED
* @userdata2 The ID for the scan
* @userdata3 Code location = 0x0002
* @devdesc Access Scan failed. PRD does not ever expect to write scan rings.
* @procedure EPUB_PRC_SP_CODE
*/
// create an error log
PRDF_CREATE_ERRL(errH,
ERRL_SEV_PREDICTIVE, // error on diagnostic
ERRL_ETYPE_NOT_APPLICABLE,
SRCI_MACH_CHECK,
SRCI_NO_ATTR,
PRDF_HOM_SCAN, // module id
FSP_DEFAULT_REFCODE, // refcode What do we use???
PRDF_UNSUPPORTED_SCAN_WRITE, // Reason code
SCR_ACCESS_FAILED, // user data word 1
l_chipHUID, // user data word 2
0x0002, // user data word 3
0x0000 // user data word 4
);
}
if(errH)
{
rc = PRD_SCANCOM_FAILURE;
PRDF_ADD_SW_ERR(errH, rc, PRDF_HOM_SCAN, __LINE__);
PRDF_ADD_PROCEDURE_CALLOUT(errH, SRCI_PRIORITY_MED, EPUB_PRC_SP_CODE);
bool l_isAbort = false;
PRDF_ABORTING(l_isAbort);
if (!l_isAbort)
{
PRDF_COMMIT_ERRL(errH, ERRL_ACTION_SA|ERRL_ACTION_REPORT);
}
else
{
delete errH;
errH = NULL;
}
}
return rc;
}
} // End namespace PRDF
|
