diff options
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/pm/p9_cpu_special_wakeup_ex.C')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/pm/p9_cpu_special_wakeup_ex.C | 158 |
1 files changed, 146 insertions, 12 deletions
diff --git a/src/import/chips/p9/procedures/hwp/pm/p9_cpu_special_wakeup_ex.C b/src/import/chips/p9/procedures/hwp/pm/p9_cpu_special_wakeup_ex.C index 33ca069f8..e7fc24617 100644 --- a/src/import/chips/p9/procedures/hwp/pm/p9_cpu_special_wakeup_ex.C +++ b/src/import/chips/p9/procedures/hwp/pm/p9_cpu_special_wakeup_ex.C @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2016 */ +/* Contributors Listed Below - COPYRIGHT 2016,2017 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -30,7 +30,7 @@ // *HWP HW Owner : Greg Still <stillgs@us.ibm.com> // *HWP FW Owner : Prem S Jha <premjha2@in.ibm.com> // *HWP Team : PM -// *HWP Level : 2 +// *HWP Level : 3 // *HWP Consumed by : OCC:FSP:HOST:CRO // ----------------------------------------------------------------------------- @@ -38,33 +38,163 @@ // ----------------------------------------------------------------------------- #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 collectExTimeoutFailInfo( const fapi2::Target < fapi2::TARGET_TYPE_EX>& i_target, + ProcessingValues_t i_processing_info ); /// ---------------------------------------------------------------------------- -/// -/// @brief Sets an EX "chiplet" into special wakeup state. +/// @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_ex( const fapi2::Target < fapi2::TARGET_TYPE_EX>& i_target, const p9specialWakeup::PROC_SPCWKUP_OPS i_operation, const p9specialWakeup::PROC_SPCWKUP_ENTITY i_entity ) { - FAPI_DBG("> p9_cpu_special_wakeup_ex"); - FAPI_TRY(_special_wakeup<fapi2::TARGET_TYPE_EX> ( - i_target, - i_operation, - i_entity )); + FAPI_INF(">> p9_cpu_special_wakeup_ex"); -fapi_try_exit: - FAPI_INF("< p9_cpu_special_wakeup_ex" ); + fapi2::ReturnCode l_rc; + ProcessingValues_t l_processing_info; + uint8_t l_spWakeUpInProg = 0; + auto l_eqTarget = i_target.getParent<fapi2::TARGET_TYPE_EQ>(); + + FAPI_ATTR_GET( fapi2::ATTR_EX_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 ex recurssion"); + return fapi2::FAPI2_RC_SUCCESS; + } + + p9specialWakeup::blockWakeupRecurssion( l_eqTarget, p9specialWakeup::BLOCK ); + + l_rc = _special_wakeup( i_target, + i_operation, + i_entity, + l_processing_info ); + + if ( l_rc == (uint32_t)fapi2::RC_INTERNAL_SPCWKUP_TIMEOUT ) + { + collectExTimeoutFailInfo( i_target, l_processing_info ); + } + + p9specialWakeup::blockWakeupRecurssion( l_eqTarget, p9specialWakeup::UNBLOCK ); + + FAPI_INF("<< p9_cpu_special_wakeup_ex" ); return fapi2::current_err; +} + +/// ---------------------------------------------------------------------------- + +/// +/// @brief Collect FFDC for EQ Special Wakeup timeout +/// @param[in] i_target ex target +/// @param[in] i_operation info pertaining to special wakeup +/// @return fapi2 return code. +/// +fapi2::ReturnCode collectExTimeoutFailInfo( const fapi2::Target < fapi2::TARGET_TYPE_EX>& i_target, + ProcessingValues_t i_processing_info ) +{ + + FAPI_INF(">> collectExTimeoutFailInfo" ); + + fapi2::buffer<uint64_t> l_CPMMR[CORES_PER_EX]; + fapi2::buffer<uint64_t> l_GPMMR[CORES_PER_EX]; + fapi2::buffer<uint64_t> l_spWakeupRegVal[CORES_PER_EX]; + fapi2::buffer<uint64_t> l_histRegVal[CORES_PER_EX]; + fapi2::buffer<uint64_t> l_netCtrlVal[CORES_PER_EX]; + uint32_t l_coreId = 0; + + auto l_core_vector = + i_target.getChildren<fapi2::TARGET_TYPE_CORE>( fapi2::TARGET_STATE_PRESENT ); + + for( uint8_t i = 0; i < CORES_PER_EX; i++ ) + { + l_CPMMR[i].insert( INIT_REG_PATT, 0, 64 ); + l_GPMMR[i].insert( INIT_REG_PATT, 0, 64 ); + l_spWakeupRegVal[i].insert( INIT_REG_PATT, 0, 64 ); + l_histRegVal[i].insert( INIT_REG_PATT, 0, 64 ); + } + + for ( auto it : l_core_vector ) + { + if( it.isFunctional() ) + { + fapi2::getScom( it, C_CPPM_CPMMR, l_CPMMR[l_coreId] ); + fapi2::getScom( it, C_PPM_GPMMR_SCOM, l_GPMMR[l_coreId] ); + fapi2::getScom( it, i_processing_info.spwkup_address[l_coreId], l_spWakeupRegVal[l_coreId] ); + fapi2::getScom( it, i_processing_info.history_address[l_coreId], l_histRegVal[l_coreId] ); + fapi2::getScom( it, i_processing_info.netctrl_address[l_coreId], l_netCtrlVal[l_coreId] ); + } + l_coreId++; + } + + uint8_t l_exPos = 0; + FAPI_ATTR_GET( fapi2::ATTR_CHIP_UNIT_POS, i_target, l_exPos ); + + //For Special Wakeup of EX, in case of timeout, SGPE can't be halted. + //Hence, only XIRs will be collected for it. Whereas for CME, full PPE + //state dump is permissible. As a result, collect PPE State is getting called + //separately for CME and SGPE. Otherwise , collect PPE state expects a + //vector of base addresses. + + std::vector<uint64_t> l_cmeBaseAddress; + std::vector<uint64_t> l_sgpeBaseAddress; + l_sgpeBaseAddress.push_back( SGPE_BASE_ADDRESS ); + l_cmeBaseAddress.push_back( getCmeBaseAddress( l_exPos ) ); + + //From this point onwards, any usage of FAPI TRY in physical or + //logical path can be a serious problem. Hence, should not be used. + + FAPI_ASSERT( false , + fapi2::SPCWKUP_EX_TIMEOUT(). + set_POLLCOUNT( i_processing_info.poll_count ). + set_C0_NETCTRL( l_netCtrlVal[0] ). + set_C1_NETCTRL( l_netCtrlVal[1] ). + set_C0_SP_WKUP_REG_VALUE( l_spWakeupRegVal[0] ). + set_C1_SP_WKUP_REG_VALUE( l_spWakeupRegVal[1] ). + set_C0_HISTORY_VALUE( l_histRegVal[0] ). + set_C1_HISTORY_VALUE( l_histRegVal[1] ). + set_ENTITY( i_processing_info.entity ). + set_C0_CPMMR( l_CPMMR[0] ). + set_C1_CPMMR( l_CPMMR[1] ). + set_C0_GPMMR( l_GPMMR[0] ). + set_C1_GPMMR( l_GPMMR[1] ). + set_EQ_TARGET( i_target.getParent<fapi2::TARGET_TYPE_EQ>() ). + set_EX_TARGET( i_target ). + set_PROC_CHIP_TARGET( i_processing_info.procTgt ). + set_CME_BASE_ADDRESS( l_cmeBaseAddress ). + set_SGPE_BASE_ADDRESS( l_sgpeBaseAddress ). + set_CME_STATE_MODE( SNAPSHOT ). + set_SGPE_STATE_MODE( XIRS ), + "Timed Out In Setting The EX Special Wakeup" ); + +fapi_try_exit: + FAPI_INF("<< collectExTimeoutFailInfo" ); + return fapi2::current_err; } /// ---------------------------------------------------------------------------- +/// @param[in] i_chipletTarget ex 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_EX>& i_chipletTarget, const ProcessingValues_t i_processing_info, - p9specialWakeup::SpecialWakeUpMsg i_msgId) + p9specialWakeup::SpecialWakeUpMsg i_msgId ) { FAPI_INF("> spwkup_deassert core EX" ); @@ -83,6 +213,10 @@ fapi_try_exit: /// ---------------------------------------------------------------------------- +/// @param[in] i_chipletTarget ex target +/// @param[in] i_processing_info struct storing processing info +/// @param[in] i_entity . +/// @return fapi2 return code. template<> fapi2::ReturnCode set_addresses(const fapi2::Target<fapi2::TARGET_TYPE_EX>& i_target, ProcessingValues_t& i_structure, |
