Implement Interrupt Resource Provider Init for MPIPL Multi-Node Systems

- In MPIPL the HW interrupt config could be such that interrupts will cross node boundaries. HB handles interrupts independently on each node - so initialize INTRP in a way to handle this transition. - Modify the MPIPL flow with the following changes: a) Set the Interrupt LSI State Machine to disabled b) Enable LSI Mode via the Interrupt Control Register c) Force all nodes to sync after steps a + b - Enable INTRP Multi-Node MPIPL Sync Code developed in P8 - Each node will now initialize its own internode_info data area during an initial IPL - Coalescing of the Host will modify this data to define all the nodes in the system - During the MPIPL each node can view each others area to determine when all nodes have reached the common sync point - Remove Legacy P8 MPIPL INTRP Code that is not used Change-Id: Idb742eafc7389f328ea7f506c4c4541c989e52b6 RTC: 182712 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/57993 Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Reviewed-by: Prachi Gupta <pragupta@us.ibm.com> Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com> Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com> Reviewed-by: Richard J. Knight <rjknight@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
open-power · May 7, 2018 · 59c3af1 · 59c3af1
1 parent 14f1070
commit 59c3af1
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diff --git a/src/include/sys/internode.h b/src/include/sys/internode.h
@@ -5,7 +5,9 @@
 /*                                                                        */
 /* OpenPOWER HostBoot Project                                             */
 /*                                                                        */
-/* COPYRIGHT International Business Machines Corp. 2014                   */
+/* Contributors Listed Below - COPYRIGHT 2014,2018                        */
+/* [+] 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.       */
@@ -34,8 +36,7 @@ enum internode_info_vals_t
 enum intr_mpipl_sync_t
 {
     INTR_MPIPL_SYNC_CLEAR = 0,
-    INTR_MPIPL_UPSTREAM_DISABLED = 1,
-    INTR_MPIPL_DRAINED = 2,
+    INTR_MPIPL_INIT_COMPLETE = 1,
 };
 
 

diff --git a/src/kernel/intmsghandler.C b/src/kernel/intmsghandler.C
@@ -202,7 +202,7 @@ void InterruptMsgHdlr::sendIpcMsg(uint64_t i_pir)
         //a duplicate doorbell happens before kernel clears first
         //message.
         //Since the kernel will drop any message with the same PIR
-        //key on the floor, need to make it unique with a incrementing
+        //key on the floor, need to make it unique with an incrementing
         //counter
 
         cv_ipc_salt += MSG_IPC_SALT;