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>

1 files changed, 9 insertions, 7 deletions

diff --git a/src/usr/intr/intrrp.H b/src/usr/intr/intrrp.H
index 3d6e0b667..2173113ae 100644
--- a/src/usr/intr/intrrp.H
+++ b/src/usr/intr/intrrp.H
@@ -574,6 +574,15 @@ namespace INTR
             errlHndl_t sendXiveEOI(uint64_t& i_intSource, PIR_t& i_pir);
 
             /**
+             * Send the PSI Host Bridge portion of the EOI (End of Interrupt)
+             *      sequence
+             * @param[in] i_proc, the proc intrp handler
+             * @param[in] i_intSource, interrupt source to perform EOI for
+             * @return Errorlog from DeviceWrite
+             */
+            errlHndl_t sendPsiHbEOI(intr_hdlr_t* i_proc, uint64_t& i_intSource);
+
+            /**
              * Function completes interrupt processing
              *   - Unmasks interrupt source
              *   - Sends XIVE EOI
@@ -843,13 +852,6 @@ namespace INTR
             errlHndl_t  addHbNodeToMpiplSyncArea(uint64_t i_hbNode);
 
             /**
-             * Extract node information stored away and restore into
-             * ATTR for MPIPL
-             * @return error log handle
-             */
-            errlHndl_t  extractHbNodeInfo(void);
-
-            /**
              * Calculate the address offset for the given cpu
              * @param[in] i_pir PIR value for the presenter
              * @return the offset