1 files changed, 19 insertions, 0 deletions

diff --git a/include/linux/nvme-fc.h b/include/linux/nvme-fc.h
index 21c37e39e41a..36cca93a5ff2 100644
--- a/include/linux/nvme-fc.h
+++ b/include/linux/nvme-fc.h
@@ -334,5 +334,24 @@ struct fcnvme_ls_disconnect_acc {
 #define NVME_FC_LS_TIMEOUT_SEC          2               /* 2 seconds */
 #define NVME_FC_TGTOP_TIMEOUT_SEC       2               /* 2 seconds */
 
+/*
+ * TRADDR string must be of form "nn-<16hexdigits>:pn-<16hexdigits>"
+ * the string is allowed to be specified with or without a "0x" prefix
+ * infront of the <16hexdigits>.  Without is considered the "min" string
+ * and with is considered the "max" string. The hexdigits may be upper
+ * or lower case.
+ */
+#define NVME_FC_TRADDR_NNLEN            3       /* "?n-" */
+#define NVME_FC_TRADDR_OXNNLEN          5       /* "?n-0x" */
+#define NVME_FC_TRADDR_HEXNAMELEN       16
+#define NVME_FC_TRADDR_MINLENGTH        \
+                (2 * (NVME_FC_TRADDR_NNLEN + NVME_FC_TRADDR_HEXNAMELEN) + 1)
+#define NVME_FC_TRADDR_MAXLENGTH        \
+                (2 * (NVME_FC_TRADDR_OXNNLEN + NVME_FC_TRADDR_HEXNAMELEN) + 1)
+#define NVME_FC_TRADDR_MIN_PN_OFFSET    \
+                (NVME_FC_TRADDR_NNLEN + NVME_FC_TRADDR_HEXNAMELEN + 1)
+#define NVME_FC_TRADDR_MAX_PN_OFFSET    \
+                (NVME_FC_TRADDR_OXNNLEN + NVME_FC_TRADDR_HEXNAMELEN + 1)
+
 
 #endif /* _NVME_FC_H */