Merge tag 'nvme-6.14-2025-01-31' of git://git.infradead.org/nvme into block-6.14

Pull NVMe fixes from Keith:

"nvme fixes for Linux 6.14

 - Connection fixes for fibre channel transport (Daniel)
 - Endian fixes (Keith, Christoph)
 - Cleanup fix for host memory buffer (Francis)
 - Platform specific power quirks (Georg)
 - Target memory leak (Sagi)
 - Use appropriate controller state accessor (Daniel)"

* tag 'nvme-6.14-2025-01-31' of git://git.infradead.org/nvme:
  nvme-fc: use ctrl state getter
  nvme: make nvme_tls_attrs_group static
  nvmet: add a missing endianess conversion in nvmet_execute_admin_connect
  nvmet: the result field in nvmet_alloc_ctrl_args is little endian
  nvmet: fix a memory leak in controller identify
  nvme-fc: do not ignore connectivity loss during connecting
  nvme: handle connectivity loss in nvme_set_queue_count
  nvme-fc: go straight to connecting state when initializing
  nvme-pci: Add TUXEDO IBP Gen9 to Samsung sleep quirk
  nvme-pci: Add TUXEDO InfinityFlex to Samsung sleep quirk
  nvme-pci: remove redundant dma frees in hmb
  nvmet: fix rw control endian access

Author: axboe

drivers/nvme/host/core.c

@@ -1700,7 +1700,13 @@ int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count)
 
 	status = nvme_set_features(ctrl, NVME_FEAT_NUM_QUEUES, q_count, NULL, 0,
 			&result);
-	if (status < 0)
+
+	/*
+	 * It's either a kernel error or the host observed a connection
+	 * lost. In either case it's not possible communicate with the
+	 * controller and thus enter the error code path.
+	 */
+	if (status < 0 || status == NVME_SC_HOST_PATH_ERROR)
 		return status;
 
 	/*

drivers/nvme/host/fc.c

@@ -781,11 +781,19 @@ nvme_fc_abort_lsops(struct nvme_fc_rport *rport)
 static void
 nvme_fc_ctrl_connectivity_loss(struct nvme_fc_ctrl *ctrl)
 {
+	enum nvme_ctrl_state state;
+	unsigned long flags;
+
 	dev_info(ctrl->ctrl.device,
 		"NVME-FC{%d}: controller connectivity lost. Awaiting "
 		"Reconnect", ctrl->cnum);
 
-	switch (nvme_ctrl_state(&ctrl->ctrl)) {
+	spin_lock_irqsave(&ctrl->lock, flags);
+	set_bit(ASSOC_FAILED, &ctrl->flags);
+	state = nvme_ctrl_state(&ctrl->ctrl);
+	spin_unlock_irqrestore(&ctrl->lock, flags);
+
+	switch (state) {
 	case NVME_CTRL_NEW:
 	case NVME_CTRL_LIVE:
 		/*
@@ -2079,7 +2087,8 @@ nvme_fc_fcpio_done(struct nvmefc_fcp_req *req)
 		nvme_fc_complete_rq(rq);
 
 check_error:
-	if (terminate_assoc && ctrl->ctrl.state != NVME_CTRL_RESETTING)
+	if (terminate_assoc &&
+	    nvme_ctrl_state(&ctrl->ctrl) != NVME_CTRL_RESETTING)
 		queue_work(nvme_reset_wq, &ctrl->ioerr_work);
 }
 
@@ -2533,24 +2542,25 @@ __nvme_fc_abort_outstanding_ios(struct nvme_fc_ctrl *ctrl, bool start_queues)
 static void
 nvme_fc_error_recovery(struct nvme_fc_ctrl *ctrl, char *errmsg)
 {
+	enum nvme_ctrl_state state = nvme_ctrl_state(&ctrl->ctrl);
+
 	/*
 	 * if an error (io timeout, etc) while (re)connecting, the remote
 	 * port requested terminating of the association (disconnect_ls)
 	 * or an error (timeout or abort) occurred on an io while creating
 	 * the controller.  Abort any ios on the association and let the
 	 * create_association error path resolve things.
 	 */
-	if (ctrl->ctrl.state == NVME_CTRL_CONNECTING) {
+	if (state == NVME_CTRL_CONNECTING) {
 		__nvme_fc_abort_outstanding_ios(ctrl, true);
-		set_bit(ASSOC_FAILED, &ctrl->flags);
 		dev_warn(ctrl->ctrl.device,
 			"NVME-FC{%d}: transport error during (re)connect\n",
 			ctrl->cnum);
 		return;
 	}
 
 	/* Otherwise, only proceed if in LIVE state - e.g. on first error */
-	if (ctrl->ctrl.state != NVME_CTRL_LIVE)
+	if (state != NVME_CTRL_LIVE)
 		return;
 
 	dev_warn(ctrl->ctrl.device,
@@ -3167,12 +3177,18 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
 		else
 			ret = nvme_fc_recreate_io_queues(ctrl);
 	}
-	if (!ret && test_bit(ASSOC_FAILED, &ctrl->flags))
-		ret = -EIO;
 	if (ret)
 		goto out_term_aen_ops;
 
-	changed = nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE);
+	spin_lock_irqsave(&ctrl->lock, flags);
+	if (!test_bit(ASSOC_FAILED, &ctrl->flags))
+		changed = nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE);
+	else
+		ret = -EIO;
+	spin_unlock_irqrestore(&ctrl->lock, flags);
+
+	if (ret)
+		goto out_term_aen_ops;
 
 	ctrl->ctrl.nr_reconnects = 0;
 
@@ -3578,8 +3594,7 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts,
 	list_add_tail(&ctrl->ctrl_list, &rport->ctrl_list);
 	spin_unlock_irqrestore(&rport->lock, flags);
 
-	if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_RESETTING) ||
-	    !nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) {
+	if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) {
 		dev_err(ctrl->ctrl.device,
 			"NVME-FC{%d}: failed to init ctrl state\n", ctrl->cnum);
 		goto fail_ctrl;

drivers/nvme/host/pci.c

@@ -2153,14 +2153,6 @@ static int nvme_alloc_host_mem_multi(struct nvme_dev *dev, u64 preferred,
 	return 0;
 
 out_free_bufs:
-	while (--i >= 0) {
-		size_t size = le32_to_cpu(descs[i].size) * NVME_CTRL_PAGE_SIZE;
-
-		dma_free_attrs(dev->dev, size, bufs[i],
-			       le64_to_cpu(descs[i].addr),
-			       DMA_ATTR_NO_KERNEL_MAPPING | DMA_ATTR_NO_WARN);
-	}
-
 	kfree(bufs);
 out_free_descs:
 	dma_free_coherent(dev->dev, descs_size, descs, descs_dma);
@@ -3147,7 +3139,9 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev)
 		 * because of high power consumption (> 2 Watt) in s2idle
 		 * sleep. Only some boards with Intel CPU are affected.
 		 */
-		if (dmi_match(DMI_BOARD_NAME, "GMxPXxx") ||
+		if (dmi_match(DMI_BOARD_NAME, "DN50Z-140HC-YD") ||
+		    dmi_match(DMI_BOARD_NAME, "GMxPXxx") ||
+		    dmi_match(DMI_BOARD_NAME, "GXxMRXx") ||
 		    dmi_match(DMI_BOARD_NAME, "PH4PG31") ||
 		    dmi_match(DMI_BOARD_NAME, "PH4PRX1_PH6PRX1") ||
 		    dmi_match(DMI_BOARD_NAME, "PH6PG01_PH6PG71"))

drivers/nvme/host/sysfs.c

@@ -792,7 +792,7 @@ static umode_t nvme_tls_attrs_are_visible(struct kobject *kobj,
 	return a->mode;
 }
 
-const struct attribute_group nvme_tls_attrs_group = {
+static const struct attribute_group nvme_tls_attrs_group = {
 	.attrs		= nvme_tls_attrs,
 	.is_visible	= nvme_tls_attrs_are_visible,
 };

drivers/nvme/target/admin-cmd.c

@@ -1068,6 +1068,7 @@ static void nvme_execute_identify_ns_nvm(struct nvmet_req *req)
 		goto out;
 	}
 	status = nvmet_copy_to_sgl(req, 0, id, sizeof(*id));
+	kfree(id);
 out:
 	nvmet_req_complete(req, status);
 }

drivers/nvme/target/fabrics-cmd.c

@@ -287,7 +287,7 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
 	args.subsysnqn = d->subsysnqn;
 	args.hostnqn = d->hostnqn;
 	args.hostid = &d->hostid;
-	args.kato = c->kato;
+	args.kato = le32_to_cpu(c->kato);
 
 	ctrl = nvmet_alloc_ctrl(&args);
 	if (!ctrl)

drivers/nvme/target/io-cmd-bdev.c

@@ -272,7 +272,7 @@ static void nvmet_bdev_execute_rw(struct nvmet_req *req)
 		iter_flags = SG_MITER_FROM_SG;
 	}
 
-	if (req->cmd->rw.control & NVME_RW_LR)
+	if (req->cmd->rw.control & cpu_to_le16(NVME_RW_LR))
 		opf |= REQ_FAILFAST_DEV;
 
 	if (is_pci_p2pdma_page(sg_page(req->sg)))

drivers/nvme/target/nvmet.h

@@ -589,7 +589,7 @@ struct nvmet_alloc_ctrl_args {
 	const struct nvmet_fabrics_ops *ops;
 	struct device		*p2p_client;
 	u32			kato;
-	u32			result;
+	__le32			result;
 	u16			error_loc;
 	u16			status;
 };