Merge tag 'nvme-6.15-2025-05-01' of git://git.infradead.org/nvme into block-6.15

Pull NVMe fixes from Christoph:

"nvme fixes for Linux 6.15

 - fix queue unquiesce check on PCI slot_reset (Keith Busch)
 - fix premature queue removal and I/O failover in nvme-tcp
   (Michael Liang)
 - don't restore null sk_state_change (Alistair Francis)
 - select CONFIG_TLS where needed (Alistair Francis)
 - always free derived key data (Hannes Reinecke)
 - more quirks (Wentao Guan)"

* tag 'nvme-6.15-2025-05-01' of git://git.infradead.org/nvme:
  nvmet-auth: always free derived key data
  nvmet-tcp: don't restore null sk_state_change
  nvmet-tcp: select CONFIG_TLS from CONFIG_NVME_TARGET_TCP_TLS
  nvme-tcp: select CONFIG_TLS from CONFIG_NVME_TCP_TLS
  nvme-tcp: fix premature queue removal and I/O failover
  nvme-pci: add quirks for WDC Blue SN550 15b7:5009
  nvme-pci: add quirks for device 126f:1001
  nvme-pci: fix queue unquiesce check on slot_reset

Author: axboe

drivers/nvme/host/Kconfig

@@ -102,6 +102,7 @@ config NVME_TCP_TLS
 	depends on NVME_TCP
 	select NET_HANDSHAKE
 	select KEYS
+	select TLS
 	help
 	  Enables TLS encryption for NVMe TCP using the netlink handshake API.
 

drivers/nvme/host/pci.c

@@ -3575,7 +3575,7 @@ static pci_ers_result_t nvme_slot_reset(struct pci_dev *pdev)
 
 	dev_info(dev->ctrl.device, "restart after slot reset\n");
 	pci_restore_state(pdev);
-	if (!nvme_try_sched_reset(&dev->ctrl))
+	if (nvme_try_sched_reset(&dev->ctrl))
 		nvme_unquiesce_io_queues(&dev->ctrl);
 	return PCI_ERS_RESULT_RECOVERED;
 }
@@ -3623,6 +3623,9 @@ static const struct pci_device_id nvme_id_table[] = {
 		.driver_data = NVME_QUIRK_BOGUS_NID, },
 	{ PCI_DEVICE(0x1217, 0x8760), /* O2 Micro 64GB Steam Deck */
 		.driver_data = NVME_QUIRK_DMAPOOL_ALIGN_512, },
+	{ PCI_DEVICE(0x126f, 0x1001),	/* Silicon Motion generic */
+		.driver_data = NVME_QUIRK_NO_DEEPEST_PS |
+				NVME_QUIRK_IGNORE_DEV_SUBNQN, },
 	{ PCI_DEVICE(0x126f, 0x2262),	/* Silicon Motion generic */
 		.driver_data = NVME_QUIRK_NO_DEEPEST_PS |
 				NVME_QUIRK_BOGUS_NID, },
@@ -3646,6 +3649,9 @@ static const struct pci_device_id nvme_id_table[] = {
 				NVME_QUIRK_IGNORE_DEV_SUBNQN, },
 	{ PCI_DEVICE(0x15b7, 0x5008),   /* Sandisk SN530 */
 		.driver_data = NVME_QUIRK_BROKEN_MSI },
+	{ PCI_DEVICE(0x15b7, 0x5009),   /* Sandisk SN550 */
+		.driver_data = NVME_QUIRK_BROKEN_MSI |
+				NVME_QUIRK_NO_DEEPEST_PS },
 	{ PCI_DEVICE(0x1987, 0x5012),	/* Phison E12 */
 		.driver_data = NVME_QUIRK_BOGUS_NID, },
 	{ PCI_DEVICE(0x1987, 0x5016),	/* Phison E16 */

drivers/nvme/host/tcp.c

@@ -1946,7 +1946,7 @@ static void __nvme_tcp_stop_queue(struct nvme_tcp_queue *queue)
 	cancel_work_sync(&queue->io_work);
 }
 
-static void nvme_tcp_stop_queue(struct nvme_ctrl *nctrl, int qid)
+static void nvme_tcp_stop_queue_nowait(struct nvme_ctrl *nctrl, int qid)
 {
 	struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(nctrl);
 	struct nvme_tcp_queue *queue = &ctrl->queues[qid];
@@ -1965,6 +1965,31 @@ static void nvme_tcp_stop_queue(struct nvme_ctrl *nctrl, int qid)
 	mutex_unlock(&queue->queue_lock);
 }
 
+static void nvme_tcp_wait_queue(struct nvme_ctrl *nctrl, int qid)
+{
+	struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(nctrl);
+	struct nvme_tcp_queue *queue = &ctrl->queues[qid];
+	int timeout = 100;
+
+	while (timeout > 0) {
+		if (!test_bit(NVME_TCP_Q_ALLOCATED, &queue->flags) ||
+		    !sk_wmem_alloc_get(queue->sock->sk))
+			return;
+		msleep(2);
+		timeout -= 2;
+	}
+	dev_warn(nctrl->device,
+		 "qid %d: timeout draining sock wmem allocation expired\n",
+		 qid);
+}
+
+static void nvme_tcp_stop_queue(struct nvme_ctrl *nctrl, int qid)
+{
+	nvme_tcp_stop_queue_nowait(nctrl, qid);
+	nvme_tcp_wait_queue(nctrl, qid);
+}
+
+
 static void nvme_tcp_setup_sock_ops(struct nvme_tcp_queue *queue)
 {
 	write_lock_bh(&queue->sock->sk->sk_callback_lock);
@@ -2032,7 +2057,9 @@ static void nvme_tcp_stop_io_queues(struct nvme_ctrl *ctrl)
 	int i;
 
 	for (i = 1; i < ctrl->queue_count; i++)
-		nvme_tcp_stop_queue(ctrl, i);
+		nvme_tcp_stop_queue_nowait(ctrl, i);
+	for (i = 1; i < ctrl->queue_count; i++)
+		nvme_tcp_wait_queue(ctrl, i);
 }
 
 static int nvme_tcp_start_io_queues(struct nvme_ctrl *ctrl,

drivers/nvme/target/Kconfig

@@ -98,6 +98,7 @@ config NVME_TARGET_TCP_TLS
 	bool "NVMe over Fabrics TCP target TLS encryption support"
 	depends on NVME_TARGET_TCP
 	select NET_HANDSHAKE
+	select TLS
 	help
 	  Enables TLS encryption for the NVMe TCP target using the netlink handshake API.
 

drivers/nvme/target/auth.c

@@ -600,13 +600,12 @@ void nvmet_auth_insert_psk(struct nvmet_sq *sq)
 		pr_warn("%s: ctrl %d qid %d failed to refresh key, error %ld\n",
 			__func__, sq->ctrl->cntlid, sq->qid, PTR_ERR(tls_key));
 		tls_key = NULL;
-		kfree_sensitive(tls_psk);
 	}
 	if (sq->ctrl->tls_key)
 		key_put(sq->ctrl->tls_key);
 	sq->ctrl->tls_key = tls_key;
 #endif
-
+	kfree_sensitive(tls_psk);
 out_free_digest:
 	kfree_sensitive(digest);
 out_free_psk:

drivers/nvme/target/tcp.c

@@ -1560,6 +1560,9 @@ static void nvmet_tcp_restore_socket_callbacks(struct nvmet_tcp_queue *queue)
 {
 	struct socket *sock = queue->sock;
 
+	if (!queue->state_change)
+		return;
+
 	write_lock_bh(&sock->sk->sk_callback_lock);
 	sock->sk->sk_data_ready =  queue->data_ready;
 	sock->sk->sk_state_change = queue->state_change;