/* IBM_PROLOG_BEGIN_TAG */ /* This is an automatically generated prolog. */ /* */ /* $Source: src/usr/hwas/common/hwasCallout.C $ */ /* */ /* OpenPOWER HostBoot Project */ /* */ /* Contributors Listed Below - COPYRIGHT 2012,2016 */ /* [+] Google Inc. */ /* [+] 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 hwasCallout.C * * HardWare Availability Service Callout functions. * */ /******************************************************************************/ // Includes /******************************************************************************/ #include #include #include #include #include #include #include namespace HWAS { #ifdef __HOSTBOOT_RUNTIME // defined in hwas.C HWAS_TD_t g_trac_imp_hwas = NULL; // important - slow TRAC_INIT(&g_trac_imp_hwas, "HWAS_I", KILOBYTE ); HWAS_TD_t g_trac_dbg_hwas = NULL; // fast debug TRAC_INIT(&g_trac_dbg_hwas, "HWAS", KILOBYTE ); #endif using namespace HWAS::COMMON; bool retrieveTarget(uint8_t * & io_uData, TARGETING::Target * & o_pTarget, errlHndl_t i_errl) { bool l_err = false; // data is either a token indicating it's the // MASTER_PROCESSOR_CHIP_TARGET_SENTINEL // or it's the EntityPath - getAttr() if (*io_uData != TARGET_IS_SENTINEL) { // convert the EntityPath to a Target pointer TARGETING::EntityPath ep, *ep_ptr; ep_ptr = (TARGETING::EntityPath *)io_uData; // size is total EntityPath size minus unused path elements uint32_t size = sizeof(*ep_ptr) - (TARGETING::EntityPath::MAX_PATH_ELEMENTS - ep_ptr->size()) * sizeof(TARGETING::EntityPath::PathElement); memcpy(&ep, io_uData, size); o_pTarget = TARGETING::targetService().toTarget(ep); io_uData += size; if (unlikely(o_pTarget == NULL)) { // only happen if we have a corrupt errlog or targeting. HWAS_ERR("HW callout; o_pTarget was NULL!!!"); #ifndef __HOSTBOOT_RUNTIME /*@ * @errortype * @moduleid HWAS::MOD_PROCESS_CALLOUT * @reasoncode HWAS::RC_INVALID_TARGET * @devdesc Invalid target encountered in * processing of HW callout * @userdata1 callout errlog PLID */ errlHndl_t errl = hwasError( ERRL_SEV_INFORMATIONAL, HWAS::MOD_PROCESS_CALLOUT, HWAS::RC_INVALID_TARGET, i_errl->plid()); errlCommit(errl, HWAS_COMP_ID); #endif l_err = true; } } else { // convert this to the real master processor TARGETING::targetService().masterProcChipTargetHandle(o_pTarget); io_uData += sizeof(HWAS::TARGET_IS_SENTINEL); } return l_err; } #ifndef __HOSTBOOT_RUNTIME void processCallout(errlHndl_t &io_errl, uint8_t *i_pData, uint64_t i_Size, bool i_DeferredOnly) { callout_ud_t *pCalloutUD = (callout_ud_t *)i_pData; HWAS_DBG("processCallout entry. data %p size %lld type 0x%x", i_pData, i_Size, pCalloutUD->type); if (i_DeferredOnly) { if ((pCalloutUD->type == HW_CALLOUT) && (pCalloutUD->deconfigState == DELAYED_DECONFIG)) { TARGETING::Target *pTarget = NULL; uint8_t * l_uData = (uint8_t *)(pCalloutUD + 1); bool l_err = retrieveTarget(l_uData, pTarget, io_errl); if (!l_err) { HWAS::theDeconfigGard().registerDeferredDeconfigure( *pTarget, io_errl->eid()); } } // else, no deferred deconfigures - all good. } else switch (pCalloutUD->type) { case (HW_CALLOUT): { TARGETING::Target *pTarget = NULL; uint8_t * l_uData = (uint8_t *)(pCalloutUD + 1); bool l_err = retrieveTarget(l_uData, pTarget, io_errl); if (!l_err) { errlHndl_t errl = platHandleHWCallout( pTarget, pCalloutUD->priority, pCalloutUD->deconfigState, io_errl, pCalloutUD->gardErrorType); if (errl) { HWAS_ERR("processCallout: error from platHandlHWCallout"); errlCommit(errl, HWAS_COMP_ID); } } break; } // HW_CALLOUT case (PROCEDURE_CALLOUT): { HWAS_INF("Procedure callout; proc 0x%x priority 0x%x", pCalloutUD->procedure, pCalloutUD->priority); errlHndl_t errl = platHandleProcedureCallout(io_errl, pCalloutUD->procedure, pCalloutUD->priority); if (errl) { HWAS_ERR("processCallout: error from platHandlProcedureCallout"); errlCommit(errl, HWAS_COMP_ID); } break; } // PROCEDURE_CALLOUT case (BUS_CALLOUT): { TARGETING::Target *pTarget1 = NULL; TARGETING::Target *pTarget2 = NULL; uint8_t * l_targetData = (uint8_t *)(pCalloutUD + 1); bool l_err1 = retrieveTarget(l_targetData, pTarget1, io_errl); bool l_err2 = retrieveTarget(l_targetData, pTarget2, io_errl); if (!l_err1 && !l_err2) { errlHndl_t errl = platHandleBusCallout( pTarget1, pTarget2, pCalloutUD->busType, pCalloutUD->priority, io_errl); if (errl) { HWAS_ERR("processCallout: error from platHandlBusCallout"); errlCommit(errl, HWAS_COMP_ID); } } break; } // BUS_CALLOUT case (CLOCK_CALLOUT): { TARGETING::Target *pTarget = NULL; uint8_t * l_uData = (uint8_t *)(pCalloutUD + 1); bool l_err = retrieveTarget(l_uData, pTarget, io_errl); if (!l_err) { errlHndl_t errl = platHandleClockCallout( pTarget, pCalloutUD->clockType, pCalloutUD->priority, io_errl, pCalloutUD->clkDeconfigState, pCalloutUD->clkGardErrorType); if (errl) { HWAS_ERR("processCallout: error from platHandleClockCallout"); errlCommit(errl, HWAS_COMP_ID); } } break; } // CLOCK_CALLOUT case (PART_CALLOUT): { TARGETING::Target *pTarget = NULL; uint8_t * l_uData = (uint8_t *)(pCalloutUD + 1); bool l_err = retrieveTarget(l_uData, pTarget, io_errl); if (!l_err) { errlHndl_t errl = platHandlePartCallout( pTarget, pCalloutUD->partType, pCalloutUD->priority, io_errl, pCalloutUD->deconfigState, pCalloutUD->gardErrorType); if (errl) { HWAS_ERR("processCallout: error platHandlePartCallout"); errlCommit(errl, HWAS_COMP_ID); } } break; } // PART_CALLOUT default: { HWAS_ERR("bad data in Callout UD %x", pCalloutUD->type); break; } } // switch HWAS_DBG("processCallout exit"); } // processCallout #endif }; // end namespace