Add support for the the dcmi package

Author: Chris Austen

Makefile

@@ -5,6 +5,7 @@ DAEMON_OBJ  = $(DAEMON).o
 LIB_APP_OBJ = apphandler.o     \
               sensorhandler.o  \
               storagehandler.o \
+              dcmihandler.o
 
 LIB_APP     = libapphandler.so
 

dcmihandler.C

@@ -0,0 +1,40 @@
+#include "dcmihandler.h"
+#include "ipmid-api.h"
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+void register_netfn_dcmi_functions() __attribute__((constructor));
+
+
+ipmi_ret_t ipmi_dcmi_get_power_limit(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 
+                              ipmi_request_t request, ipmi_response_t response, 
+                              ipmi_data_len_t data_len, ipmi_context_t context)
+{
+    ipmi_ret_t rc = IPMI_DCMI_CC_NO_ACTIVE_POWER_LIMIT;
+
+    // dcmi-v1-5-rev-spec.pdf 6.6.2.   
+    // This is good enough for OpenBMC support for OpenPOWER based systems
+    // TODO research if more is needed
+    uint8_t data_response[] = { 0xDC, 0x00, 0x00, 0x01, 0x00, 0x00, 
+                                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+                                0x00, 0x01};
+
+
+
+    printf("IPMI DCMI_GET_POWER_LEVEL\n");
+
+    memcpy(response, data_response, sizeof(data_response));
+    *data_len = sizeof(data_response);
+
+    return rc;
+}
+
+
+void register_netfn_dcmi_functions()
+{
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_GRPEXT, IPMI_CMD_DCMI_GET_POWER);
+    ipmi_register_callback(NETFUN_GRPEXT, IPMI_CMD_DCMI_GET_POWER, NULL, ipmi_dcmi_get_power_limit);
+    return;
+}
+// 956379

dcmihandler.h

@@ -0,0 +1,12 @@
+#ifndef __HOST_IPMI_DCMI_HANDLER_H__
+#define __HOST_IPMI_DCMI_HANDLER_H__
+
+// IPMI commands for net functions.
+enum ipmi_netfn_sen_cmds
+{
+    // Get capability bits
+    IPMI_CMD_DCMI_GET_POWER = 0x03,
+    
+};
+
+#endif

ipmid-api.h

@@ -85,6 +85,7 @@ enum ipmi_netfn_wild_card_cmd
 enum ipmi_return_codes
 {
     IPMI_CC_OK = 0x00,
+    IPMI_DCMI_CC_NO_ACTIVE_POWER_LIMIT = 0x80,
     IPMI_CC_INVALID = 0xC1
 };