+#define NRS_LPROCFS_QUANTUM_NAME_REG "reg_quantum:"
+#define NRS_LPROCFS_QUANTUM_NAME_HP "hp_quantum:"
+
+/**
+ * the maximum size of nrs_crrn_client::cc_quantum and nrs_orr_data::od_quantum.
+ */
+#define LPROCFS_NRS_QUANTUM_MAX 65535
+
+/**
+ * Max valid command string is the size of the labels, plus "65535" twice, plus
+ * a separating space character.
+ */
+#define LPROCFS_NRS_WR_QUANTUM_MAX_CMD \
+ sizeof(NRS_LPROCFS_QUANTUM_NAME_REG __stringify(LPROCFS_NRS_QUANTUM_MAX) " " \
+ NRS_LPROCFS_QUANTUM_NAME_HP __stringify(LPROCFS_NRS_QUANTUM_MAX))
+