nvme: add TCP TSAS definitions

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>

include/linux/nvme.h

@@ -108,6 +108,13 @@ enum {
 	NVMF_RDMA_CMS_RDMA_CM	= 1, /* Sockets based endpoint addressing */
 };
 
+/* TSAS SECTYPE for TCP transport */
+enum {
+	NVMF_TCP_SECTYPE_NONE = 0, /* No Security */
+	NVMF_TCP_SECTYPE_TLS12 = 1, /* TLSv1.2, NVMe-oF 1.1 and NVMe-TCP 3.6.1.1 */
+	NVMF_TCP_SECTYPE_TLS13 = 2, /* TLSv1.3, NVMe-oF 1.1 and NVMe-TCP 3.6.1.1 */
+};
+
 #define NVME_AQ_DEPTH		32
 #define NVME_NR_AEN_COMMANDS	1
 #define NVME_AQ_BLK_MQ_DEPTH	(NVME_AQ_DEPTH - NVME_NR_AEN_COMMANDS)
@@ -1493,6 +1500,9 @@ struct nvmf_disc_rsp_page_entry {
 			__u16	pkey;
 			__u8	resv10[246];
 		} rdma;
+		struct tcp {
+			__u8	sectype;
+		} tcp;
 	} tsas;
 };