diff options
Diffstat (limited to 'src/usr/initservice/istepdispatcher/istepdispatcher.C')
| -rw-r--r-- | src/usr/initservice/istepdispatcher/istepdispatcher.C | 118 |
1 files changed, 117 insertions, 1 deletions
diff --git a/src/usr/initservice/istepdispatcher/istepdispatcher.C b/src/usr/initservice/istepdispatcher/istepdispatcher.C index 44749df3f..fd3165b80 100644 --- a/src/usr/initservice/istepdispatcher/istepdispatcher.C +++ b/src/usr/initservice/istepdispatcher/istepdispatcher.C @@ -79,6 +79,8 @@ #include <trace/trace.H> #include <util/utilmbox_scratch.H> #include <secureboot/service.H> +#include <p9_perst_phb.H> +#include <plat_hwp_invoker.H> // --------------------------- // Used to grab SBE boot side @@ -132,7 +134,8 @@ IStepDispatcher::IStepDispatcher() : iv_substepToCompleteBeforeShutdown(0), iv_acceptIstepMessages(true), iv_newGardRecord(false), - iv_stopIpl(false) + iv_stopIpl(false), + iv_p9_phbPerstLibLoaded(false) { mutex_init(&iv_bkPtMutex); @@ -1349,6 +1352,21 @@ void IStepDispatcher::msgHndlr() // Further process the shutdown message handleShutdownMsg(pMsg); break; + + case PERST_ASSERT: + // PERST Assert requested from Fsp + TRACFCOMP(g_trac_initsvc, INFO_MRK"msgHndlr: PERST_ASSERT"); + // Further process the PERST Assert message + handlePerstMsg(pMsg); + break; + + case PERST_NEGATE: + // PERST Negate requested from Fsp + TRACFCOMP(g_trac_initsvc, INFO_MRK"msgHndlr: PERST_NEGATE"); + // Further process the PERST Negate message + handlePerstMsg(pMsg); + break; + default: TRACFCOMP(g_trac_initsvc, ERR_MRK"msgHndlr: Ignoring unknown message 0x%08x", pMsg->type); @@ -2124,6 +2142,104 @@ void IStepDispatcher::handleProcFabIovalidMsg(msg_t * & io_pMsg) TRACFCOMP( g_trac_initsvc, EXIT_MRK"IStepDispatcher::handleProcFabIovalidMsg"); } + +// ---------------------------------------------------------------------------- +// IStepDispatcher::handlePerstMsg() +// ---------------------------------------------------------------------------- +void IStepDispatcher::handlePerstMsg(msg_t * & io_pMsg) +{ + TRACFCOMP(g_trac_initsvc, ENTER_MRK"IStepDispatcher::handlePerstMsg"); + + // assume the HWP will succeed + io_pMsg->data[1] = true; + + errlHndl_t l_errl = NULL; + + do + { + if // HWP Perst Libraries have not yet been loaded + ( iv_p9_phbPerstLibLoaded == false ) + { + // load the libraries + l_errl = VFS::module_load( "p9_phbPerst.so" ); + + if (l_errl) + { + TRACFCOMP( g_trac_initsvc, + "handlePerstMsg: Error loading p9_phbPerst, " + "PLID = 0x%x", + l_errl->plid() ); + + io_pMsg->data[1] = false; + errlCommit( l_errl, INITSVC_COMP_ID ); + break; + } + else + { + iv_p9_phbPerstLibLoaded = true; + } + } // end load libraries + + // translate message inputs to fapi target and HWP Perst action + const TARGETING::ATTR_HUID_type huid = + static_cast <const TARGETING::ATTR_HUID_type>(io_pMsg->data[0]); + TARGETING::Target * pInputTarget = + TARGETING::Target::getTargetFromHuid( huid ); + + const fapi2::Target<fapi2::TARGET_TYPE_PHB> fapi2_target(pInputTarget); + + uint32_t msgPerstAction = io_pMsg->type; + + PERST_ACTION hwpPerstAction = (msgPerstAction == PERST_ASSERT) ? + ACTIVATE_PERST : DEACTIVATE_PERST; + + // Execute the PERST directive + FAPI_INVOKE_HWP( l_errl, + p9_perst_phb, + fapi2_target, + hwpPerstAction ); + + if(l_errl) + { + TRACFCOMP( g_trac_initsvc, + "ERROR : call p9_perst_phb, PLID=0x%x", + l_errl->plid() ); + l_errl->collectTrace("INITSVC",256); + l_errl->collectTrace("FAPI",256); + errlCommit(l_errl, HWPF_COMP_ID); + + io_pMsg->data[1] = false; + } + } while(0); + + if (msg_is_async(io_pMsg)) + { + // It is expected that handle Perst messages are sync. + // otherwise we don't have a way to send the results + // back to the FSP. + // This leg drops results on the floor + TRACFBIN( g_trac_initsvc, + INFO_MRK + "IStepDispatcher::handlePerstMsg :" + "Async msg, no Response to FSP, Msg = ", + io_pMsg, + sizeof(*io_pMsg) ); + + msg_free(io_pMsg); + io_pMsg = NULL; + } + else + { + // Send the message back as a response + msg_respond(iv_msgQ, io_pMsg); + io_pMsg = NULL; + } + + TRACFCOMP(g_trac_initsvc, EXIT_MRK"IStepDispatcher::handlePerstMsg"); + + return; +} + // ---------------------------------------------------------------------------- // IStepDispatcher::sendProgressCode() // This method has a default of true for i_needsLock |
