Multi-Drawer (IPC) Interrupt/Messaging Support

 - Use doorbells instead of IPIs (no IPI support
   using LSI interupts in the XIVE intr architecture)

 - New message type from kernel to userspace so the
   kernel can notify the HB userspace Interrupt
   Resource Provider (INTRP) that an IPC message was
   sent to the particular HB instance (in P8 this
   happened automatically as that was part of the
   IPI architecture).

 - Re-enable testcase that validates that an IPC
   message can be successfully sent.

Change-Id: Ic846f8dca45217205ed61d8381a573e995cb16f2
RTC: 150861
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/52004
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Prachi Gupta <pragupta@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

1 files changed, 56 insertions, 57 deletions

diff --git a/src/usr/mbox/test/mboxsptest.H b/src/usr/mbox/test/mboxsptest.H
index 8a6a11f14..1b21cd4fe 100644
--- a/src/usr/mbox/test/mboxsptest.H
+++ b/src/usr/mbox/test/mboxsptest.H
@@ -5,7 +5,7 @@
 /*                                                                        */
 /* OpenPOWER HostBoot Project                                             */
 /*                                                                        */
-/* Contributors Listed Below - COPYRIGHT 2012,2017                        */
+/* Contributors Listed Below - COPYRIGHT 2012,2018                        */
 /* [+] International Business Machines Corp.                              */
 /*                                                                        */
 /*                                                                        */
@@ -334,62 +334,61 @@ class MboxSPTest : public CxxTest::TestSuite
        * @brief IPC message test
        *
        */
-// TODO: RTC:150861 re-enable test when IPC is available
-//       void testIPC(void)
-//       {
-//           TRACFCOMP(g_trac_mbox,"testIPC>");
-//           errlHndl_t err = NULL;
-//           msg_t * msg = msg_allocate();
-//           msg_t * tmsg = msg_allocate();
-//           msg_q_t msgQ = msg_q_create();
-//
-//           err = MBOX::msgq_register(MBOX::HB_TEST_MSGQ,msgQ);
-//           if(err)
-//           {
-//               TS_FAIL("MBOX IPC: Could not register message queue");
-//               errlCommit(err,MBOX_COMP_ID);
-//           }
-//
-//           msg->type = 1;
-//           msg->data[0] = 0x1111111111111111ull;
-//           msg->data[1] = 0x4444444444444444ull;
-//           msg->extra_data = (void *)0x3333333333333333ull;
-//
-//           *tmsg = *msg; // save for compare
-//           uint64_t node = 0;
-//
-//           err = MBOX::send(MBOX::HB_TEST_MSGQ,msg,node);
-//           if(err)
-//           {
-//               TS_FAIL("MBOX::send (IPC) returned and error log");
-//               errlCommit(err,MBOX_COMP_ID);
-//               msg_free(msg);
-//               return;
-//           }
-//
-//           msg_t * rmsg = msg_wait(msgQ);
-//
-//           if(rmsg->type != tmsg->type ||
-//              rmsg->data[0] != tmsg->data[0] ||
-//              rmsg->data[1] != tmsg->data[1] ||
-//              rmsg->extra_data != tmsg->extra_data)
-//           {
-//               TS_FAIL("IPCTEST: Unexpected IPC message");
-//
-//               TRACFCOMP(g_trac_mbox,
-//                         "IPCTEST IPC MSG: %d %lx %lx %p",
-//                         rmsg->type,
-//                         rmsg->data[0],
-//                         rmsg->data[1],
-//                         rmsg->extra_data);
-//           }
-//
-//           msgQ = MBOX::msgq_unregister(MBOX::HB_TEST_MSGQ);
-//           msg_q_destroy(msgQ);
-//           msg_free(rmsg);
-//           msg_free(tmsg);
-//           TRACFCOMP(g_trac_mbox,"<testIPC");
-//       }
+       void testIPC(void)
+       {
+           TRACFCOMP(g_trac_mbox,"testIPC>");
+           errlHndl_t err = NULL;
+           msg_t * msg = msg_allocate();
+           msg_t * tmsg = msg_allocate();
+           msg_q_t msgQ = msg_q_create();
+
+           err = MBOX::msgq_register(MBOX::HB_TEST_MSGQ,msgQ);
+           if(err)
+           {
+               TS_FAIL("MBOX IPC: Could not register message queue");
+               errlCommit(err,MBOX_COMP_ID);
+           }
+
+           msg->type = 1;
+           msg->data[0] = 0x1111111111111111ull;
+           msg->data[1] = 0x4444444444444444ull;
+           msg->extra_data = (void *)0x3333333333333333ull;
+
+           *tmsg = *msg; // save for compare
+           uint64_t node = 0;
+
+           err = MBOX::send(MBOX::HB_TEST_MSGQ,msg,node);
+           if(err)
+           {
+               TS_FAIL("MBOX::send (IPC) returned and error log");
+               errlCommit(err,MBOX_COMP_ID);
+               msg_free(msg);
+               return;
+           }
+
+           msg_t * rmsg = msg_wait(msgQ);
+
+           if(rmsg->type != tmsg->type ||
+              rmsg->data[0] != tmsg->data[0] ||
+              rmsg->data[1] != tmsg->data[1] ||
+              rmsg->extra_data != tmsg->extra_data)
+           {
+               TS_FAIL("IPCTEST: Unexpected IPC message");
+
+               TRACFCOMP(g_trac_mbox,
+                         "IPCTEST IPC MSG: %d %lx %lx %p",
+                         rmsg->type,
+                         rmsg->data[0],
+                         rmsg->data[1],
+                         rmsg->extra_data);
+           }
+
+           msgQ = MBOX::msgq_unregister(MBOX::HB_TEST_MSGQ);
+           msg_q_destroy(msgQ);
+           msg_free(rmsg);
+           msg_free(tmsg);
+           TRACFCOMP(g_trac_mbox,"<testIPC");
+       }
 };
 
 #endif