/*
  * Fibre channel port/lun states.
  */
-#define FCS_UNCONFIGURED       1
-#define FCS_DEVICE_DEAD                2
-#define FCS_DEVICE_LOST                3
-#define FCS_ONLINE             4
+enum {
+       FCS_UNKNOWN,
+       FCS_UNCONFIGURED,
+       FCS_DEVICE_DEAD,
+       FCS_DEVICE_LOST,
+       FCS_ONLINE,
+};
 
 extern const char *const port_state_str[5];
 
-static const char * const port_dstate_str[] = {
-       "DELETED",
-       "GNN_ID",
-       "GNL",
-       "LOGIN_PEND",
-       "LOGIN_FAILED",
-       "GPDB",
-       "UPD_FCPORT",
-       "LOGIN_COMPLETE",
-       "ADISC",
-       "DELETE_PEND",
-       "LOGIN_AUTH_PEND",
+static const char *const port_dstate_str[] = {
+       [DSC_DELETED]           = "DELETED",
+       [DSC_GNN_ID]            = "GNN_ID",
+       [DSC_GNL]               = "GNL",
+       [DSC_LOGIN_PEND]        = "LOGIN_PEND",
+       [DSC_LOGIN_FAILED]      = "LOGIN_FAILED",
+       [DSC_GPDB]              = "GPDB",
+       [DSC_UPD_FCPORT]        = "UPD_FCPORT",
+       [DSC_LOGIN_COMPLETE]    = "LOGIN_COMPLETE",
+       [DSC_ADISC]             = "ADISC",
+       [DSC_DELETE_PEND]       = "DELETE_PEND",
+       [DSC_LOGIN_AUTH_PEND]   = "LOGIN_AUTH_PEND",
 };
 
 /*
 
 }
 
 const char *const port_state_str[] = {
-       "Unknown",
-       "UNCONFIGURED",
-       "DEAD",
-       "LOST",
-       "ONLINE"
+       [FCS_UNKNOWN]           = "Unknown",
+       [FCS_UNCONFIGURED]      = "UNCONFIGURED",
+       [FCS_DEVICE_DEAD]       = "DEAD",
+       [FCS_DEVICE_LOST]       = "LOST",
+       [FCS_ONLINE]            = "ONLINE"
 };
 
 static void