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p9_pm_get_poundw_bucket_attr.C
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p9_pm_get_poundw_bucket_attr.C
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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/pm/p9_pm_get_poundw_bucket_attr.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2017 */
/* [+] 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 */
///
/// @file p9_pm_get_poundw_bucket_attr.C
/// @brief Grab PM data from certain bucket in #W keyword in CRP0 record
///
/// *HWP HW Owner : N/A (This is a FW delivered function)
/// *HWP FW Owner : Thi Tran <thi@us.ibm.com>
/// *HWP Team : PM - Calling this function.
/// *HWP Consumed by : FSP
/// *HWP Level : 3
///
// ----------------------------------------------------------------------
// Includes
// ----------------------------------------------------------------------
#include <p9_pm_get_poundw_bucket_attr.H>
#include <p9_pm_get_poundw_bucket.H>
#include <p9_pm_get_poundv_bucket.H>
#include <mvpd_access_defs.H>
#include <attribute_ids.H>
// See doxygen in header file
fapi2::ReturnCode p9_pm_get_poundw_bucket_attr(
const fapi2::Target<fapi2::TARGET_TYPE_EQ>& i_target,
uint8_t* o_data)
{
FAPI_DBG("Entering p9_pm_get_poundw_bucket_attr ....");
uint8_t* l_fullVpdData = nullptr;
uint32_t l_vpdSize = 0;
uint8_t l_bucketId;
uint8_t l_bucketSize = 0;
//To read MVPD we will need the proc parent of the inputted EQ target
fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP> l_procParent =
i_target.getParent<fapi2::TARGET_TYPE_PROC_CHIP>();
//Get the #V bucket associated with EQ target
fapi2::voltageBucketData_t l_voltageBucket;
FAPI_TRY( p9_pm_get_poundv_bucket(i_target,
l_voltageBucket) );
//Use the bucket ID from the #V bucket
l_bucketId = l_voltageBucket.bucketId;
//First read is to get size of vpd record, note the o_buffer is NULL
FAPI_TRY( getMvpdField(fapi2::MVPD_RECORD_CRP0,
fapi2::MVPD_KEYWORD_PDW,
l_procParent,
NULL,
l_vpdSize) );
//Allocate memory for vpd data
l_fullVpdData = reinterpret_cast<uint8_t*>(malloc(l_vpdSize));
//Second read is to get data of vpd record
FAPI_TRY( getMvpdField(fapi2::MVPD_RECORD_CRP0,
fapi2::MVPD_KEYWORD_PDW,
l_procParent,
l_fullVpdData,
l_vpdSize) );
//#W record is laid out as follows:
//Name: 0x2 byte
//Length: 0x2 byte
//Version: 0x1 byte **buffer starts here
//#V Bucket ID #1: 0x1 byte
//VDM Data for bucket 1: varies by version
//#V Bucket ID #2: 0x1 byte
//VDM Data for bucket 2: varies by version
//#V Bucket ID #3: 0x1 byte
//VDM Data for bucket 3: varies by version
//#V Bucket ID #4: 0x1 byte
//VDM Data for bucket 4: varies by version
//#V Bucket ID #5: 0x1 byte
//VDM Data for bucket 5: varies by version
//#V Bucket ID #6: 0x1 byte
//VDM Data for bucket 6: varies by version
if( *l_fullVpdData == POUNDW_VERSION_1)
{
//Set the size of the bucket
l_bucketSize = POUNDW_BUCKETID_SIZE + PW_VER_1_VDMDATA_SIZE;
}
else if( *l_fullVpdData == POUNDW_VERSION_2)
{
//Set the size of the bucket
l_bucketSize = POUNDW_BUCKETID_SIZE + PW_VER_2_VDMDATA_SIZE;
}
else
{
FAPI_ASSERT( false,
fapi2::INVALID_POUNDW_VERSION()
.set_EQ_TARGET(i_target)
.set_POUNDW_VERSION(*l_fullVpdData),
"p9_pm_get_poundw_bucket_attr::Invalid #W record "
"version: 0x%x",
*l_fullVpdData);
}
//Copy version into output data
*o_data = *l_fullVpdData;
// This assert ensures the size of the calculated data is correct
FAPI_ASSERT(l_vpdSize - POUNDW_VERSION_SIZE - ((l_bucketId - 1) *
l_bucketSize) >= l_bucketSize,
fapi2::BAD_POUNDW_VPD_READ()
.set_EQ_TARGET(i_target)
.set_EXPECTED_SIZE(l_bucketSize)
.set_ACTUAL_SIZE(l_vpdSize - POUNDW_VERSION_SIZE -
((l_bucketId - 1) * l_bucketSize)),
"#W data read was too small!" );
// Use the selected bucket id to populate the output data
memcpy(o_data + POUNDW_VERSION_SIZE,
l_fullVpdData + POUNDW_VERSION_SIZE +
((l_bucketId - 1) * l_bucketSize),
l_bucketSize);
// This assert ensures the output data bucket ID matches what we looked for
FAPI_ASSERT( (l_bucketId == ((fapi2::vdmData_t*)o_data)->bucketId),
fapi2::INCORRECT_POUNDW_BUCKET_ID()
.set_EQ_TARGET(i_target)
.set_BUCKET_ID(((fapi2::vdmData_t*)o_data)->bucketId)
.set_EXP_BUCKET_ID(l_bucketId),
"Incorrect Bucket Id = %d, expected %d",
((fapi2::vdmData_t*)o_data)->bucketId,
l_bucketId );
fapi_try_exit:
if(l_fullVpdData != NULL)
{
free(l_fullVpdData);
l_fullVpdData = NULL;
}
FAPI_DBG("Exiting p9_pm_get_poundw_bucket_attr ....");
return fapi2::current_err;
}