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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/hwpf/hwp/chip_accessors/getOscswitchCtlAttr.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2012,2014 */
/* */
/* 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 */
// $Id: getOscswitchCtlAttr.C,v 1.1 2014/05/23 01:19:13 whs Exp $
/**
* @file getOscswitchCtlAttr.C
*
* @brief Accessor for providing the ATTR_OSCSWITCH_CTLx attributes
*
*/
#include <stdint.h>
// fapi support
#include <fapi.H>
#include <fapiUtil.H>
#include <getOscswitchCtlAttr.H>
extern "C"
{
using namespace fapi;
fapi::ReturnCode getOscswitchSizeCheck(
const fapi::getOscswitchCtl::Attr i_attr,
const size_t i_fieldSize,
const size_t i_len);
// ----------------------------------------------------------------------------
// HWP accessor for providing ATTR_OSCSWITCH_CTLx attributes
// ----------------------------------------------------------------------------
fapi::ReturnCode getOscswitchCtlAttr( const fapi::Target & i_pProcTarget,
const fapi::getOscswitchCtl::Attr i_attr,
void * o_pVal,
const size_t i_len)
{
fapi::ReturnCode l_fapirc;
FAPI_DBG("getOscswitchCtlAttr: entry ");
do {
// see if platform has redundant clocks
uint8_t l_redundantClocks = 0;
l_fapirc = FAPI_ATTR_GET(ATTR_REDUNDANT_CLOCKS,
NULL,
l_redundantClocks);
if (l_fapirc)
{
FAPI_ERR("getOscswitchCtlAttr:FAPI_ATTR_GET(ATTR_REDUNDANT_CLOCKS)"
" failed w/rc=0x%08x",
static_cast<uint32_t>(l_fapirc) );
break; // break out with error
}
// find the chip type if there are redundant clocks, otherwise use
// the ENUM_ATTR_NAME_NONE entry for systems without redundant clocks
fapi::ATTR_NAME_Type l_chipType = ENUM_ATTR_NAME_NONE ;
if (l_redundantClocks)
{
// Get chip type
l_fapirc = FAPI_ATTR_GET_PRIVILEGED(ATTR_NAME,
&i_pProcTarget,
l_chipType);
if (l_fapirc)
{
FAPI_ERR("getOscswitchCtlAttr:"
" FAPI_ATTR_GET_PRIVILEGED(ATTR_NAME) "
"failed w/rc=0x%08x",
static_cast<uint32_t>(l_fapirc) );
break; // break out with error
}
}
FAPI_DBG("getOscswitchCtlAttr: Chip type=0x%02x",l_chipType);
// find entry in Oscswitch Ctl data table
const getOscswitchCtl::OSCSWITCH_CTL_DATA * l_pOscswitchCtlData =
reinterpret_cast<const getOscswitchCtl::OSCSWITCH_CTL_DATA *>
(&getOscswitchCtl::OSCSWITCH_CTL_DATA_array);
uint8_t l_data = 0;
uint8_t l_tableSize = sizeof(getOscswitchCtl::OSCSWITCH_CTL_DATA_array)/
sizeof(getOscswitchCtl::OSCSWITCH_CTL_DATA);
for (l_data = 0; l_data<l_tableSize; l_data++)
{
if (l_pOscswitchCtlData[l_data].l_CHIP_TYPE == l_chipType)
{
break; //found match. Could add EC check here if ever needed
}
}
if (l_data >= l_tableSize) // did not find an entry
{
const uint32_t FFDC_CHIP_TYPE = l_chipType;
FAPI_SET_HWP_ERROR(l_fapirc,RC_OSC_SWITCH_CTL_UNEXPECTED_CHIP_TYPE);
break ; // break with error
}
// return requested attribute value
switch (i_attr)
{
case fapi::getOscswitchCtl::CTL0:
{
uint32_t * l_pCtl0 = (uint32_t *) o_pVal;
l_fapirc = getOscswitchSizeCheck(i_attr,
sizeof (l_pOscswitchCtlData[l_data].l_CTL0),
i_len);
if (l_fapirc)
{
break; // break with error
}
*l_pCtl0 = l_pOscswitchCtlData[l_data].l_CTL0;
break;
}
case fapi::getOscswitchCtl::CTL1:
{
uint8_t * l_pCtl1 = (uint8_t *) o_pVal;
l_fapirc = getOscswitchSizeCheck(i_attr,
sizeof (l_pOscswitchCtlData[l_data].l_CTL1),
i_len);
if (l_fapirc)
{
break; // break with error
}
*l_pCtl1 = l_pOscswitchCtlData[l_data].l_CTL1;
break;
}
case fapi::getOscswitchCtl::CTL2:
{
uint32_t * l_pCtl2 = (uint32_t *) o_pVal;
l_fapirc = getOscswitchSizeCheck(i_attr,
sizeof (l_pOscswitchCtlData[l_data].l_CTL2),
i_len);
if (l_fapirc)
{
break; // break with error
}
*l_pCtl2 = l_pOscswitchCtlData[l_data].l_CTL2;
break;
}
default:
{
const uint8_t FFDC_UNEXPECTED_ATTR = i_attr;
FAPI_SET_HWP_ERROR(l_fapirc,RC_OSC_SWITCH_CTL_UNEXPECTED_ATTR);
break ; // break with error
}
}
} while (0);
FAPI_DBG("getOscswitchCtlAttr: exit rc=0x%08x)",
static_cast<uint32_t>(l_fapirc));
return l_fapirc;
}
// check output field length
fapi::ReturnCode getOscswitchSizeCheck(
const fapi::getOscswitchCtl::Attr i_attr,
const size_t i_fieldSize,
const size_t i_len)
{
fapi::ReturnCode l_fapirc;
if (i_len != i_fieldSize)
{
const fapi::getOscswitchCtl::Attr FFDC_ATTR = i_attr;
const size_t FFDC_EXPECTED_SIZE = i_fieldSize;
const size_t FFDC_PASSED_SIZE = i_len;
FAPI_SET_HWP_ERROR(l_fapirc,RC_OSC_SWITCH_CTL_INVALID_ATTR_SIZE);
}
return l_fapirc;
}
} // extern "C"
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