diff --git a/chassishandler.h b/chassishandler.h
index 1a26411..b6f7d93 100644
--- a/chassishandler.h
+++ b/chassishandler.h
@@ -9,15 +9,24 @@
 	// Chassis Control
 	IPMI_CMD_CHASSIS_CONTROL	  = 0x02,
     // Get capability bits
+    IPMI_CMD_SET_SYS_BOOT_OPTIONS = 0x08,
     IPMI_CMD_GET_SYS_BOOT_OPTIONS = 0x09,
 };
 
 // Command specific completion codes
 enum ipmi_chassis_return_codes
 {
+    IPMI_OK = 0x0,
     IPMI_CC_PARM_NOT_SUPPORTED = 0x80,
 };
 
+// Generic completion codes,
+// see IPMI doc section 5.2
+enum ipmi_generic_return_codes
+{
+    IPMI_OUT_OF_SPACE = 0xC4,
+};
+
 // Various Chassis operations under a single command.
 enum ipmi_chassis_control_cmds : uint8_t
 {