Merge tag 'nvme-6.15-2025-03-20' of git://git.infradead.org/nvme into for-6.15/block

Pull NVMe updates from Keith:

"nvme updates for Linux 6.15

 - Secure concatenation for TCP transport (Hannes)
 - Multipath sysfs visibility (Nilay)
 - Various cleanups (Qasim, Baruch, Wang, Chen, Mike, Damien, Li)
 - Correct use of 64-bit BARs for pci-epf target (Niklas)
 - Socket fix for selinux when used in containers (Peijie)"

* tag 'nvme-6.15-2025-03-20' of git://git.infradead.org/nvme: (22 commits)
  nvmet: replace max(a, min(b, c)) by clamp(val, lo, hi)
  nvme-tcp: fix selinux denied when calling sock_sendmsg
  nvmet: pci-epf: Always configure BAR0 as 64-bit
  nvmet: Remove duplicate uuid_copy
  nvme: zns: Simplify nvme_zone_parse_entry()
  nvmet: pci-epf: Remove redundant 'flush_workqueue()' calls
  nvmet-fc: Remove unused functions
  nvme-pci: remove stale comment
  nvme-fc: Utilise min3() to simplify queue count calculation
  nvme-multipath: Add visibility for queue-depth io-policy
  nvme-multipath: Add visibility for numa io-policy
  nvme-multipath: Add visibility for round-robin io-policy
  nvmet: add tls_concat and tls_key debugfs entries
  nvmet-tcp: support secure channel concatenation
  nvmet: Add 'sq' argument to alloc_ctrl_args
  nvme-fabrics: reset admin connection for secure concatenation
  nvme-tcp: request secure channel concatenation
  nvme-keyring: add nvme_tls_psk_refresh()
  nvme: add nvme_auth_derive_tls_psk()
  nvme: add nvme_auth_generate_digest()
  ...

1 files changed, 21 insertions, 4 deletions

diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c
index eb406c90c167..f012bdf89850 100644
--- a/drivers/nvme/target/fabrics-cmd.c
+++ b/drivers/nvme/target/fabrics-cmd.c
@@ -234,10 +234,26 @@ err:
 	return ret;
 }
 
-static u32 nvmet_connect_result(struct nvmet_ctrl *ctrl)
+static u32 nvmet_connect_result(struct nvmet_ctrl *ctrl, struct nvmet_sq *sq)
 {
+	bool needs_auth = nvmet_has_auth(ctrl, sq);
+	key_serial_t keyid = nvmet_queue_tls_keyid(sq);
+
+	/* Do not authenticate I/O queues for secure concatenation */
+	if (ctrl->concat && sq->qid)
+		needs_auth = false;
+
+	if (keyid)
+		pr_debug("%s: ctrl %d qid %d should %sauthenticate, tls psk %08x\n",
+			 __func__, ctrl->cntlid, sq->qid,
+			 needs_auth ? "" : "not ", keyid);
+	else
+		pr_debug("%s: ctrl %d qid %d should %sauthenticate%s\n",
+			 __func__, ctrl->cntlid, sq->qid,
+			 needs_auth ? "" : "not ",
+			 ctrl->concat ? ", secure concatenation" : "");
 	return (u32)ctrl->cntlid |
-		(nvmet_has_auth(ctrl) ? NVME_CONNECT_AUTHREQ_ATR : 0);
+		(needs_auth ? NVME_CONNECT_AUTHREQ_ATR : 0);
 }
 
 static void nvmet_execute_admin_connect(struct nvmet_req *req)
@@ -247,6 +263,7 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
 	struct nvmet_ctrl *ctrl = NULL;
 	struct nvmet_alloc_ctrl_args args = {
 		.port = req->port,
+		.sq = req->sq,
 		.ops = req->ops,
 		.p2p_client = req->p2p_client,
 		.kato = le32_to_cpu(c->kato),
@@ -299,7 +316,7 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
 		goto out;
 	}
 
-	args.result = cpu_to_le32(nvmet_connect_result(ctrl));
+	args.result = cpu_to_le32(nvmet_connect_result(ctrl, req->sq));
 out:
 	kfree(d);
 complete:
@@ -357,7 +374,7 @@ static void nvmet_execute_io_connect(struct nvmet_req *req)
 		goto out_ctrl_put;
 
 	pr_debug("adding queue %d to ctrl %d.\n", qid, ctrl->cntlid);
-	req->cqe->result.u32 = cpu_to_le32(nvmet_connect_result(ctrl));
+	req->cqe->result.u32 = cpu_to_le32(nvmet_connect_result(ctrl, req->sq));
 out:
 	kfree(d);
 complete: