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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/pm/p9_cpu_special_wakeup_eq.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016,2018 */
/* [+] 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_cpu_special_wakeup_eq.C
/// @brief : HWP to perform special wakeup of an eq
// *HWP HW Owner : Greg Still <stillgs@us.ibm.com>
// *HWP FW Owner : Prem S Jha <premjha2@in.ibm.com>
// *HWP Team : PM
// *HWP Level : 3
// *HWP Consumed by : OCC:FSP:HOST:CRO
// -----------------------------------------------------------------------------
// Includes
// -----------------------------------------------------------------------------
#include <p9_cpu_special_wakeup.H>
#include <p9_cpu_special_wakeup_lib.H>
#include <p9_ppe_defs.H>
#include <p9_ppe_utils.H>
fapi2::ReturnCode collectEqTimeoutFailInfo( const fapi2::Target < fapi2::TARGET_TYPE_EQ>& i_target,
ProcessingValues_t i_processing_info );
/// ----------------------------------------------------------------------------
///
/// @brief Sets a normal eq chiplet into special wakeup state.
/// @param[in] i_target eq target
/// @param[in] i_operation Special Wakeup Operation i.e. assert or deassert
/// @param[in] i_entity entity to be considered for special wakeup.
/// @return fapi2 return code.
///
fapi2::ReturnCode p9_cpu_special_wakeup_eq(
const fapi2::Target < fapi2::TARGET_TYPE_EQ>& i_target,
const p9specialWakeup::PROC_SPCWKUP_OPS i_operation,
const p9specialWakeup::PROC_SPCWKUP_ENTITY i_entity )
{
FAPI_INF(">> p9_cpu_special_wakeup_eq");
uint8_t l_spWakeUpInProg = 0;
ProcessingValues_t l_processing_info;
fapi2::buffer<uint64_t> l_sgpeActive;
fapi2::ReturnCode l_rc;
uint8_t l_eqPos = 0;
auto l_procChip = i_target.getParent<fapi2::TARGET_TYPE_PROC_CHIP>();
FAPI_ATTR_GET( fapi2::ATTR_CHIP_UNIT_POS, i_target, l_eqPos );
FAPI_TRY( getScom( l_procChip, PU_OCB_OCI_OCCFLG_SCOM, l_sgpeActive ) );
FAPI_ATTR_GET( fapi2::ATTR_EQ_INSIDE_SPECIAL_WAKEUP,
i_target,
l_spWakeUpInProg );
//A special wakeup is already in progress. In all likelyhood, a special
// wakeup has timed out and we are in FFDC collection path. During this
// FFDC collection, we SCOMed a register which itself needs a special
// wakeup.
if( l_spWakeUpInProg )
{
FAPI_INF("exiting eq recurssion");
return fapi2::FAPI2_RC_SUCCESS;
}
p9specialWakeup::blockWakeupRecurssion( i_target, p9specialWakeup::BLOCK );
//Special wakeup request can't be serviced if
//SGPE did not boot.
if( !l_sgpeActive.getBit( SGPE_ACTIVE_BIT ) )
{
FAPI_ASSERT( false,
fapi2::QUAD_SPECIAL_WAKEUP_NOT_FEASIBLE()
.set_QUAD_POS( l_eqPos ),
"Special Wakeup Request Cannot Be Serviced on This Quad" );
}
l_rc = _special_wakeup( i_target,
i_operation,
i_entity,
l_processing_info );
// Collect Register data
if( l_rc == (uint32_t) fapi2::RC_INTERNAL_SPCWKUP_TIMEOUT )
{
collectEqTimeoutFailInfo( i_target, l_processing_info );
}
fapi_try_exit:
FAPI_INF("<< p9_cpu_special_wakeup_eq" );
p9specialWakeup::blockWakeupRecurssion( i_target, p9specialWakeup::UNBLOCK );
return fapi2::current_err;
}
/// ----------------------------------------------------------------------------
///
/// @brief Collect FFDC for EQ Special Wakeup timeout
/// @param[in] i_target eq target
/// @param[in] i_operation info pertaining to special wakeup
/// @return fapi2 return code.
///
fapi2::ReturnCode collectEqTimeoutFailInfo( const fapi2::Target < fapi2::TARGET_TYPE_EQ>& i_target,
ProcessingValues_t i_processing_info )
{
FAPI_INF(">> collectEqTimeoutFailInfo" );
fapi2::buffer<uint64_t> l_GPMMR;
fapi2::buffer<uint64_t> l_spWakeupRegVal;
fapi2::buffer<uint64_t> l_histRegVal;
fapi2::buffer<uint64_t> l_netCtrlVal;
std::vector<uint64_t> l_ppeBaseAddressList;
l_ppeBaseAddressList.push_back (SGPE_BASE_ADDRESS);
l_ppeBaseAddressList.push_back (PGPE_BASE_ADDRESS);
uint8_t l_exPos = 0;
auto l_ex_vector =
i_target.getChildren<fapi2::TARGET_TYPE_EX>();
for ( auto it : l_ex_vector )
{
FAPI_ATTR_GET( fapi2::ATTR_CHIP_UNIT_POS, it, l_exPos );
l_ppeBaseAddressList.push_back( getCmeBaseAddress( l_exPos ) );
}
fapi2::getScom( i_target, i_processing_info.history_address[0], l_histRegVal);
fapi2::getScom( i_target, EQ_PPM_GPMMR_SCOM, l_GPMMR );
fapi2::getScom( i_target, i_processing_info.spwkup_address[0], l_spWakeupRegVal );
fapi2::getScom( i_target, i_processing_info.netctrl_address[0], l_netCtrlVal );
FAPI_ASSERT( false ,
fapi2::SPCWKUP_EQ_TIMEOUT().
set_POLLCOUNT( i_processing_info.poll_count ).
set_QUAD_NETCTRL( l_netCtrlVal ).
set_SP_WKUP_REG_VALUE( l_spWakeupRegVal ).
set_QUAD_HISTORY_VALUE( l_histRegVal ).
set_ENTITY( i_processing_info.entity ).
set_GPMMR( l_GPMMR ).
set_EQ_TARGET( i_target ).
set_EX0_TARGET( l_ex_vector[0] ). //ignoring case of no functional ex
set_EX1_TARGET((( l_ex_vector.size() > 1 ) ? l_ex_vector[1] : l_ex_vector[0] )).
set_NUM_FUNC_EX( l_ex_vector.size() ).
set_PROC_CHIP_TARGET( i_processing_info.procTgt ).
set_PPE_BASE_ADDRESS_LIST( l_ppeBaseAddressList ).
set_PPE_STATE_MODE( XIRS ),
"Timed Out In Setting The EQ Special Wakeup" );
fapi_try_exit:
FAPI_INF("<< collectEqTimeoutFailInfo" );
return fapi2::current_err;
}
/// ----------------------------------------------------------------------------
/// @brief deasserts special wakeup state on a given chiplet
/// @param[in] i_chipletTarget eq target
/// @param[in] i_processing_info struct storing processing info
/// @param[in] i_msgId Id pertaining to debug message string.
/// @return fapi2 return code.
fapi2::ReturnCode spwkup_deassert( const fapi2::Target<fapi2::TARGET_TYPE_EQ>& i_chipletTarget,
const ProcessingValues_t i_processing_info,
p9specialWakeup::SpecialWakeUpMsg i_msgId )
{
FAPI_INF("> spwkup_deassert EQ" );
uint64_t l_address = i_processing_info.spwkup_address[0];
FAPI_TRY(_spwkup_deassert(i_chipletTarget, l_address, i_msgId));
fapi_try_exit:
FAPI_INF("< spwkup_deassert EQ" );
return fapi2::current_err;
}
/// ----------------------------------------------------------------------------
///
/// @brief Set address for an eq target type
/// @param[in] i_target eq target
/// @param[in] i_structure struct storing processing info
/// @param[in] i_entity entity to be considered for special wakeup.
/// @return fapi2 return code.
///
template<>
fapi2::ReturnCode set_addresses(const fapi2::Target<fapi2::TARGET_TYPE_EQ>& i_target,
ProcessingValues_t& i_structure,
const uint32_t i_entity )
{
FAPI_INF("> set_addresses for EQ");
uint8_t l_eq_num = 0;
FAPI_TRY(FAPI_ATTR_GET( fapi2::ATTR_CHIP_UNIT_POS, i_target, l_eq_num),
"fapiGetAttribute of ATTR_CHIP_UNIT_POS");
FAPI_DBG("EQ %d being procesed.", l_eq_num);
i_structure.spwkup_address[0] = SPCWKUP_ADDR[i_entity][p9specialWakeup::SPW_EQ]
+ 0x01000000 * l_eq_num;
i_structure.history_address[0] = SPCWKUP_HIST_ADDR[i_entity][p9specialWakeup::SPW_EQ]
+ 0x01000000 * l_eq_num;
i_structure.netctrl_address[0] = SPCWKUP_NETCTRL0_ADDR[p9specialWakeup::SPW_EQ]
+ 0x01000000 * l_eq_num;
i_structure.gpmmr_address[0] = SPCWKUP_GPMMR_ADDR[p9specialWakeup::SPW_EQ]
+ 0x01000000 * l_eq_num;
i_structure.num_addresses = 1;
FAPI_DBG("i_structure.spwkup_address[%d] = 0x%08llX \n "
"i_structure.history_address[%d] = 0x%08llX \n "
"i_structure.netctrl_address[%d] = 0x%08llX \n "
"i_structure.gpmmr_addresss[%d] = 0x%08llX \n " ,
0, i_structure.spwkup_address[0],
0, i_structure.history_address[0],
0, i_structure.netctrl_address[0],
0, i_structure.gpmmr_address[0]);
fapi_try_exit:
FAPI_INF("< set_addresses for EQ");
return fapi2::current_err;
}
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