Handle pending interrupts across nodes in mpipl

RTC: 80988
Change-Id: I7ef9feaa3d163d6956576f30538e2fe001e892a1
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/8441
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Tested-by: Jenkins Server
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

1 files changed, 58 insertions, 0 deletions

diff --git a/src/include/sys/internode.h b/src/include/sys/internode.h
new file mode 100644
index 000000000..3d4c6bf65
--- /dev/null
+++ b/src/include/sys/internode.h
@@ -0,0 +1,58 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/include/sys/internode.h $                                 */
+/*                                                                        */
+/* IBM CONFIDENTIAL                                                       */
+/*                                                                        */
+/* COPYRIGHT International Business Machines Corp. 2014                   */
+/*                                                                        */
+/* p1                                                                     */
+/*                                                                        */
+/* Object Code Only (OCO) source materials                                */
+/* Licensed Internal Code Source Materials                                */
+/* IBM HostBoot Licensed Internal Code                                    */
+/*                                                                        */
+/* The source code for this program is not published or otherwise         */
+/* divested of its trade secrets, irrespective of what has been           */
+/* deposited with the U.S. Copyright Office.                              */
+/*                                                                        */
+/* Origin: 30                                                             */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+#ifndef __INTERNODE_H
+#define __INTERNODE_H
+// Memory area preserved on MPIPL
+
+#include <vmmconst.h>
+
+enum internode_info_vals_t
+{
+    MAX_NODES_PER_SYS = 8,
+};
+
+enum intr_mpipl_sync_t
+{
+    INTR_MPIPL_SYNC_CLEAR = 0,
+    INTR_MPIPL_UPSTREAM_DISABLED = 1,
+    INTR_MPIPL_DRAINED = 2,
+};
+
+
+/**
+ * Node information needed across MPIPLs
+ */
+struct internode_info_t
+{
+    uint64_t eye_catcher;
+    uint64_t version;
+    bool  exist[ MAX_NODES_PER_SYS ];       //!< true if HB node exists
+    volatile intr_mpipl_sync_t  mpipl_intr_sync;     //!< at sync point
+};
+
+#define NODE_INFO_EYE_CATCHER 0x4e4f444544415441ul // "NODEDATA"
+#define NODE_INFO_VERSION 1
+
+#define INTERNODE_INFO_SIZE (sizeof(internode_info_t))
+
+#endif