Infrastructure for 24x7 data collection

Change-Id: I16277d8290f65ba489da1421783f3705be7281f4
RTC: 168729
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/36043
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christopher J. Cain <cjcain@us.ibm.com>
Reviewed-by: William A. Bryan <wilbryan@us.ibm.com>
Reviewed-by: Martha Broyles <mbroyles@us.ibm.com>

3 files changed, 125 insertions, 8 deletions

diff --git a/src/occ_gpe1/gpe1_24x7.c b/src/occ_gpe1/gpe1_24x7.c
new file mode 100644
index 0000000..eb9d25f
--- /dev/null
+++ b/src/occ_gpe1/gpe1_24x7.c
@@ -0,0 +1,113 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/occ_gpe1/gpe1_24x7.c $                                    */
+/*                                                                        */
+/* OpenPOWER OnChipController Project                                     */
+/*                                                                        */
+/* Contributors Listed Below - COPYRIGHT 2015,2017                        */
+/* [+] 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.       */
+/* You may obtain a copy of the License at                                */
+/*                                                                        */
+/*     http://www.apache.org/licenses/LICENSE-2.0                         */
+/*                                                                        */
+/* Unless required by applicable law or agreed to in writing, software    */
+/* distributed under the License is distributed on an "AS IS" BASIS,      */
+/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or        */
+/* implied. See the License for the specific language governing           */
+/* permissions and limitations under the License.                         */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+
+#include "pk.h"
+#include "ppe42_scom.h"
+#include "ipc_api.h"
+#include "ipc_async_cmd.h"
+#include "gpe_util.h"
+#include "gpe_24x7_structs.h"
+
+/*
+ * Function Specifications:
+ *
+ * Name: gpe_24x7
+ *
+ * Description:  24x7 code on the GPE.  Owned by the performance team
+ *
+ * Inputs:       cmd is a pointer to IPC msg's cmd and cmd_data struct
+ *
+ * Outputs:      error: sets rc, address, and ffdc in the cmd_data's
+ *                      GpeErrorStruct
+ *
+ * End Function Specification
+ */
+
+void gpe_24x7(ipc_msg_t* cmd, void* arg)
+{
+    // Note: arg was set to 0 in ipc func table (ipc_func_tables.c), so don't use it.
+    // the ipc arguments passed through the ipc_msg_t structure, has a pointer
+    // to the gpe_24x7_args_t struct.
+
+    int      rc = 0;
+    ipc_async_cmd_t *async_cmd = (ipc_async_cmd_t*)cmd;
+    gpe_24x7_args_t *args = (gpe_24x7_args_t*)async_cmd->cmd_data;
+
+    uint8_t ticks = args->numTicksPassed; // number of 250us ticks since last call
+    static uint8_t  L_current_state = 1;  // 24x7 collection "state" to execute when called
+
+    args->error.error = 0; // default success
+    args->error.ffdc = 0;
+
+    if(ticks == 0)  // First time 24x7 called since OCC started?
+    {
+        PK_TRACE("gpe_24x7: First call since OCC started");
+    }
+    else if(ticks > 1)  // longer than 250us since last call?
+    {
+       // It has been ticks*250us since last call
+        PK_TRACE("gpe_24x7: It has been 0x%02X ticks since last call", ticks);
+    }
+
+    switch(L_current_state)
+    {
+        case 1:
+        case 2:
+        case 3:
+        case 4:
+        case 5:
+        case 6:
+        case 7:
+        case 8:
+        case 9:
+        case 10:
+        case 11:
+        case 12:
+        case 13:
+        case 14:
+        case 15:
+        case 16:
+            break;
+
+        default:
+            PK_TRACE("gpe_24x7: Invalid collection state: 0x%02X", L_current_state);
+            break;
+    }
+
+    // Setup state to run on next call
+    if(L_current_state == MAX_24x7_STATES)
+        L_current_state = 1;
+    else
+        L_current_state++;
+
+    // send back a response, IPC success even if ffdc/rc are non zeros
+    rc = ipc_send_rsp(cmd, IPC_RC_SUCCESS);
+    if(rc)
+    {
+        PK_TRACE("gpe_24x7: Failed to send response back. Halting GPE1");
+        gpe_set_ffdc(&(args->error), 0x00, GPE_RC_IPC_SEND_FAILED, rc);
+        pk_halt();
+    }
+}
diff --git a/src/occ_gpe1/ipc_func_tables.c b/src/occ_gpe1/ipc_func_tables.c
index 7cc9927..c2740e9 100644
--- a/src/occ_gpe1/ipc_func_tables.c
+++ b/src/occ_gpe1/ipc_func_tables.c
@@ -5,7 +5,7 @@
 /*                                                                        */
 /* OpenPOWER OnChipController Project                                     */
 /*                                                                        */
-/* Contributors Listed Below - COPYRIGHT 2015,2016                        */
+/* Contributors Listed Below - COPYRIGHT 2015,2017                        */
 /* [+] International Business Machines Corp.                              */
 /*                                                                        */
 /*                                                                        */
@@ -28,6 +28,8 @@
 void gpe_dimm_control(ipc_msg_t* cmd, void* arg);
 void gpe1_nop(ipc_msg_t* cmd, void* arg);
 void gpe_reset_mem_deadman(ipc_msg_t* cmd, void* arg);
+void gpe_24x7(ipc_msg_t* cmd, void* arg);
+
 
 // Function table for multi target (common) functions
 IPC_MT_FUNC_TABLE_START
@@ -43,11 +45,11 @@ IPC_MT_FUNC_TABLE_END
 
 // Function table for single target (processor-specific) functions
 IPC_ST_FUNC_TABLE_START
-IPC_HANDLER(gpe_dimm_sm, 0)                  // 0 - IPC_ST_DIMM_SM_FUNCID
-IPC_HANDLER(gpe_dimm_control, 0)             // 1 - IPC_ST_DIMM_CONTROL_FUNCID
-IPC_HANDLER(gpe1_nop, 0)                     // 2 - IPC_ST_GPE1_NOP
-IPC_HANDLER(gpe_reset_mem_deadman, 0)        // 3 - IPC_ST_RESET_MEM_DEADMAN
-IPC_HANDLER_DEFAULT                          // 4
+IPC_HANDLER(gpe_dimm_sm, 0)                // 0 - IPC_ST_DIMM_SM_FUNCID
+IPC_HANDLER(gpe_dimm_control, 0)           // 1 - IPC_ST_DIMM_CONTROL_FUNCID
+IPC_HANDLER(gpe1_nop, 0)                   // 2 - IPC_ST_GPE1_NOP
+IPC_HANDLER(gpe_reset_mem_deadman, 0)      // 3 - IPC_ST_RESET_MEM_DEADMAN
+IPC_HANDLER(gpe_24x7, 0)                     // 4 - IPC_ST_24_X_7_FUNCID
 IPC_HANDLER_DEFAULT                          // 5
 IPC_HANDLER_DEFAULT                          // 6
 IPC_HANDLER_DEFAULT                          // 7
diff --git a/src/occ_gpe1/topfiles.mk b/src/occ_gpe1/topfiles.mk
index 75a8fbc..9983f69 100644
--- a/src/occ_gpe1/topfiles.mk
+++ b/src/occ_gpe1/topfiles.mk
@@ -5,7 +5,7 @@
 #
 # OpenPOWER OnChipController Project
 #
-# Contributors Listed Below - COPYRIGHT 2015,2016
+# Contributors Listed Below - COPYRIGHT 2015,2017
 # [+] International Business Machines Corp.
 #
 #
@@ -24,7 +24,9 @@
 # IBM_PROLOG_END_TAG
 
 TOP-C-SOURCES = gpe1_main.c gpe1_dimm_read.c gpe1_dimm_reset.c nop.c \
-                pk_app_irq_table.c ipc_func_tables.c gpe1_dimm_control.c
+                pk_app_irq_table.c ipc_func_tables.c gpe1_dimm_control.c \
+                gpe1_24x7.c 
+
 TOP-S-SOURCES =
 
 TOP_OBJECTS = $(TOP-C-SOURCES:.c=.o) $(TOP-S-SOURCES:.S=.o)