nvme: improve the NVME_CONNECT_AUTHREQ* definitions

Mark them as unsigned so that we don't need extra casts, and define
them relative to cdword0 instead of requiring extra shifts.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Hannes Reinecke <hare@suse.de>

drivers/nvme/target/fabrics-cmd.c

@@ -272,8 +272,7 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
 	req->cqe->result.u16 = cpu_to_le16(ctrl->cntlid);
 
 	if (nvmet_has_auth(ctrl))
-		req->cqe->result.u32 |=
-			cpu_to_le32((u32)NVME_CONNECT_AUTHREQ_ATR << 16);
+		req->cqe->result.u32 |= cpu_to_le32(NVME_CONNECT_AUTHREQ_ATR);
 out:
 	kfree(d);
 complete:
@@ -334,8 +333,7 @@ static void nvmet_execute_io_connect(struct nvmet_req *req)
 
 	pr_debug("adding queue %d to ctrl %d.\n", qid, ctrl->cntlid);
 	if (nvmet_has_auth(ctrl))
-		req->cqe->result.u32 |=
-			cpu_to_le32((u32)NVME_CONNECT_AUTHREQ_ATR << 16);
+		req->cqe->result.u32 |= cpu_to_le32(NVME_CONNECT_AUTHREQ_ATR);
 
 out:
 	kfree(d);

include/linux/nvme.h

@@ -1482,8 +1482,8 @@ struct nvmf_connect_command {
 };
 
 enum {
-	NVME_CONNECT_AUTHREQ_ASCR	= (1 << 2),
-	NVME_CONNECT_AUTHREQ_ATR	= (1 << 1),
+	NVME_CONNECT_AUTHREQ_ASCR	= (1U << 18),
+	NVME_CONNECT_AUTHREQ_ATR	= (1U << 17),
 };
 
 struct nvmf_connect_data {