IPMI soft power off

1 files changed, 84 insertions, 1 deletions

diff --git a/chassishandler.C b/chassishandler.C
index d00a124..56b8375 100644
--- a/chassishandler.C
+++ b/chassishandler.C
@@ -4,6 +4,11 @@
 #include <string.h>
 #include <stdint.h>
 
+// OpenBMC Chassis Manager dbus framework
+const char  *chassis_bus_name      =  "org.openbmc.control.Chassis";
+const char  *chassis_object_name   =  "/org/openbmc/control/chassis0";
+const char  *chassis_intf_name     =  "org.openbmc.control.Chassis";
+
 void register_netfn_chassis_functions() __attribute__((constructor));
 
 struct get_sys_boot_options_t {
@@ -23,6 +28,82 @@ ipmi_ret_t ipmi_chassis_wildcard(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
     return rc;
 }
 
+//------------------------------------------------------------
+// Calls into Chassis Control Dbus object to do the power off
+//------------------------------------------------------------
+int ipmi_chassis_power_off()
+{
+	// sd_bus error
+	int rc = 0;
+
+    // SD Bus error report mechanism.
+    sd_bus_error bus_error = SD_BUS_ERROR_NULL;
+
+	// Response from the call. Although there is no response for this call,
+	// obligated to mention this to make compiler happy.
+	sd_bus_message *response = NULL;
+
+	// Gets a hook onto either a SYSTEM or SESSION bus
+	sd_bus *bus_type = ipmid_get_sd_bus_connection();
+
+	rc = sd_bus_call_method(bus_type,        		 // On the System Bus
+							chassis_bus_name,        // Service to contact
+							chassis_object_name,     // Object path 
+							chassis_intf_name,       // Interface name
+							"powerOff",      		 // Method to be called
+							&bus_error,      		 // object to return error
+							&response,		 		 // Response buffer if any
+							NULL);			 		 // No input arguments
+	if(rc < 0)
+	{
+		fprintf(stderr,"ERROR initiating Power Off:[%s]\n",bus_error.message);
+	}
+	else
+	{
+		printf("Chassis Power Off initiated successfully\n");
+	}
+
+    sd_bus_error_free(&bus_error);
+    sd_bus_message_unref(response);
+
+	return rc;
+}
+
+//----------------------------------------------------------------------
+// Chassis Control commands
+//----------------------------------------------------------------------
+ipmi_ret_t ipmi_chassis_control(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)
+{
+	// Error from power off.
+	int rc = 0;
+
+	// No response for this command.
+    *data_len = 0;
+
+	// Catch the actual operaton by peeking into request buffer
+	uint8_t chassis_ctrl_cmd = *(uint8_t *)request;
+	printf("Chassis Control Command: Operation:[0x%X]\n",chassis_ctrl_cmd);
+
+	switch(chassis_ctrl_cmd)
+	{
+		case CMD_POWER_OFF:
+		case CMD_HARD_RESET:
+		{
+			rc = ipmi_chassis_power_off();
+			break;
+		}
+		default:
+		{
+			fprintf(stderr, "Invalid Chassis Control command:[0x%X] received\n",chassis_ctrl_cmd);
+			rc = -1;
+		}
+	}
+
+	return ( (rc < 0) ? IPMI_CC_INVALID : IPMI_CC_OK);
+}
+
 ipmi_ret_t ipmi_chassis_get_sys_boot_options(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)
@@ -58,5 +139,7 @@ void register_netfn_chassis_functions()
 
     printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_CHASSIS, IPMI_CMD_GET_SYS_BOOT_OPTIONS);
     ipmi_register_callback(NETFUN_CHASSIS, IPMI_CMD_GET_SYS_BOOT_OPTIONS, NULL, ipmi_chassis_get_sys_boot_options);
-}
 
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_CHASSIS, IPMI_CMD_CHASSIS_CONTROL);
+    ipmi_register_callback(NETFUN_CHASSIS, IPMI_CMD_CHASSIS_CONTROL, NULL, ipmi_chassis_control);
+}