nvme updates for Linux 6.4

- drop redundant pci_enable_pcie_error_reporting (Bjorn Helgaas)
  - validate nvmet module parameters (Chaitanya Kulkarni)
  - fence TCP socket on receive error (Chris Leech)
  - fix async event trace event (Keith Busch)
  - minor cleanups (Chaitanya Kulkarni, zhenwei pi)
  - fix and cleanup nvmet Identify handling (Damien Le Moal,
    Christoph Hellwig)
  - fix double blk_mq_complete_request race in the timeout handler
    (Lei Yin)
  - fix irq locking in nvme-fcloop (Ming Lei)
  - remove queue mapping helper for rdma devices (Sagi Grimberg)
 -----BEGIN PGP SIGNATURE-----
 
 iQI/BAABCgApFiEEgdbnc3r/njty3Iq9D55TZVIEUYMFAmQ44sALHGhjaEBsc3Qu
 ZGUACgkQD55TZVIEUYMH7hAAxN15Sw3pkk1UBpDQDXjAqzftc1nJ/wBZabsQ9k3s
 Qoye1TRAnv/qt78wTzl660sj/tNnz8vMXSb9Wh5Vi+y+tNB3IN7JnVDpng9M6bsH
 /RNxLmUTiaa7sT/IhqU7dq7kxHL1aFWawsQwnnGQnXYOjc3RC/Hf25f59WKRDQic
 kAjsE55F6fpn/ry+DU8Ia8IPq22IUk56JONO01LpxGrfRgNC4P4hkpQJk7n2CFkd
 xBKntuCLDiLzRS5RVH8KcNOhhx/L6JRvl1xwkc/CRWt/DvGHfhbnTZ9e4Vn30XF4
 3aCpBQu+CiNJPcpdiOD0CH0iOAio0o0klbOLmlo5Bg19Cw+ALqPIZrHU+UivJxw4
 U1I4mkmB3ydHQlurVm4KemRih9PT/rw2cgTwogyhfNGw9rKjV/F2Exs6HFHIpP8X
 SgvomWXFSJ5saYswMoNIYvJHz+CISbq+XsLv0iBCAS7U3ZCqw4U5VkKLHH4hIYXG
 wjyGdGNwPE6JghCtHVkS4ZwSqkAwAaOWqdX3E4CzHYN6zn9nkPLurcwgfksgrnPP
 Z/Nzfz3Wwh7NzZlUyyFjUB4Iu80Up5zZZiz0ZQC+QiLVvy89weNPpnpN1vkd8dex
 hRKa2D0cfUyhpYzZssa/6CTHGOLYgpymUYGNitZtf0LKyhwgBSLOwcfk8XLxrFru
 U7E=
 =wI74
 -----END PGP SIGNATURE-----

Merge tag 'nvme-6.4-2023-04-14' of git://git.infradead.org/nvme into for-6.4/block

Pull NVMe updates from Christoph:

"nvme updates for Linux 6.4

 - drop redundant pci_enable_pcie_error_reporting (Bjorn Helgaas)
 - validate nvmet module parameters (Chaitanya Kulkarni)
 - fence TCP socket on receive error (Chris Leech)
 - fix async event trace event (Keith Busch)
 - minor cleanups (Chaitanya Kulkarni, zhenwei pi)
 - fix and cleanup nvmet Identify handling (Damien Le Moal,
   Christoph Hellwig)
 - fix double blk_mq_complete_request race in the timeout handler
   (Lei Yin)
 - fix irq locking in nvme-fcloop (Ming Lei)
 - remove queue mapping helper for rdma devices (Sagi Grimberg)"

* tag 'nvme-6.4-2023-04-14' of git://git.infradead.org/nvme:
  nvme-fcloop: fix "inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage"
  blk-mq-rdma: remove queue mapping helper for rdma devices
  nvme-rdma: minor cleanup in nvme_rdma_create_cq()
  nvme: fix double blk_mq_complete_request for timeout request with low probability
  nvme: fix async event trace event
  nvme-apple: return directly instead of else
  nvme-apple: return directly instead of else
  nvmet-tcp: validate idle poll modparam value
  nvmet-tcp: validate so_priority modparam value
  nvme-tcp: fence TCP socket on receive error
  nvmet: remove nvmet_req_cns_error_complete
  nvmet: rename nvmet_execute_identify_cns_cs_ns
  nvmet: fix Identify Identification Descriptor List handling
  nvmet: cleanup nvmet_execute_identify()
  nvmet: fix I/O Command Set specific Identify Controller
  nvmet: fix Identify Active Namespace ID list handling
  nvmet: fix Identify Controller handling
  nvmet: fix Identify Namespace handling
  nvmet: fix error handling in nvmet_execute_identify_cns_cs_ns()
  nvme-pci: drop redundant pci_enable_pcie_error_reporting()

block/Kconfig

@@ -215,11 +215,6 @@ config BLK_MQ_VIRTIO
 	depends on VIRTIO
 	default y
 
-config BLK_MQ_RDMA
-	bool
-	depends on INFINIBAND
-	default y
-
 config BLK_PM
 	def_bool PM
 

block/Makefile

@@ -30,7 +30,6 @@ obj-$(CONFIG_BLK_DEV_INTEGRITY) += bio-integrity.o blk-integrity.o
 obj-$(CONFIG_BLK_DEV_INTEGRITY_T10)	+= t10-pi.o
 obj-$(CONFIG_BLK_MQ_PCI)	+= blk-mq-pci.o
 obj-$(CONFIG_BLK_MQ_VIRTIO)	+= blk-mq-virtio.o
-obj-$(CONFIG_BLK_MQ_RDMA)	+= blk-mq-rdma.o
 obj-$(CONFIG_BLK_DEV_ZONED)	+= blk-zoned.o
 obj-$(CONFIG_BLK_WBT)		+= blk-wbt.o
 obj-$(CONFIG_BLK_DEBUG_FS)	+= blk-mq-debugfs.o

block/blk-mq-rdma.c

@@ -1,44 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (c) 2017 Sagi Grimberg.
- */
-#include <linux/blk-mq.h>
-#include <linux/blk-mq-rdma.h>
-#include <rdma/ib_verbs.h>
-
-/**
- * blk_mq_rdma_map_queues - provide a default queue mapping for rdma device
- * @map:	CPU to hardware queue map.
- * @dev:	rdma device to provide a mapping for.
- * @first_vec:	first interrupt vectors to use for queues (usually 0)
- *
- * This function assumes the rdma device @dev has at least as many available
- * interrupt vetors as @set has queues.  It will then query it's affinity mask
- * and built queue mapping that maps a queue to the CPUs that have irq affinity
- * for the corresponding vector.
- *
- * In case either the driver passed a @dev with less vectors than
- * @set->nr_hw_queues, or @dev does not provide an affinity mask for a
- * vector, we fallback to the naive mapping.
- */
-void blk_mq_rdma_map_queues(struct blk_mq_queue_map *map,
-		struct ib_device *dev, int first_vec)
-{
-	const struct cpumask *mask;
-	unsigned int queue, cpu;
-
-	for (queue = 0; queue < map->nr_queues; queue++) {
-		mask = ib_get_vector_affinity(dev, first_vec + queue);
-		if (!mask)
-			goto fallback;
-
-		for_each_cpu(cpu, mask)
-			map->mq_map[cpu] = map->queue_offset + queue;
-	}
-
-	return;
-
-fallback:
-	blk_mq_map_queues(map);
-}
-EXPORT_SYMBOL_GPL(blk_mq_rdma_map_queues);

drivers/nvme/host/apple.c

@@ -209,7 +209,7 @@ static inline struct apple_nvme *queue_to_apple_nvme(struct apple_nvme_queue *q)
 {
 	if (q->is_adminq)
 		return container_of(q, struct apple_nvme, adminq);
-	else
+
 	return container_of(q, struct apple_nvme, ioq);
 }
 
@@ -217,7 +217,7 @@ static unsigned int apple_nvme_queue_depth(struct apple_nvme_queue *q)
 {
 	if (q->is_adminq)
 		return APPLE_NVME_AQ_DEPTH;
-	else
+
 	return APPLE_ANS_MAX_QUEUE_DEPTH;
 }
 

drivers/nvme/host/core.c

@@ -450,8 +450,8 @@ bool nvme_cancel_request(struct request *req, void *data)
 	dev_dbg_ratelimited(((struct nvme_ctrl *) data)->device,
 				"Cancelling I/O %d", req->tag);
 
-	/* don't abort one completed request */
-	if (blk_mq_request_completed(req))
+	/* don't abort one completed or idle request */
+	if (blk_mq_rq_state(req) != MQ_RQ_IN_FLIGHT)
 		return true;
 
 	nvme_req(req)->status = NVME_SC_HOST_ABORTED_CMD;
@@ -4808,8 +4808,6 @@ static bool nvme_handle_aen_notice(struct nvme_ctrl *ctrl, u32 result)
 	u32 aer_notice_type = nvme_aer_subtype(result);
 	bool requeue = true;
 
-	trace_nvme_async_event(ctrl, aer_notice_type);
-
 	switch (aer_notice_type) {
 	case NVME_AER_NOTICE_NS_CHANGED:
 		set_bit(NVME_AER_NOTICE_NS_CHANGED, &ctrl->events);
@@ -4845,7 +4843,6 @@ static bool nvme_handle_aen_notice(struct nvme_ctrl *ctrl, u32 result)
 
 static void nvme_handle_aer_persistent_error(struct nvme_ctrl *ctrl)
 {
-	trace_nvme_async_event(ctrl, NVME_AER_ERROR);
 	dev_warn(ctrl->device, "resetting controller due to AER\n");
 	nvme_reset_ctrl(ctrl);
 }
@@ -4861,6 +4858,7 @@ void nvme_complete_async_event(struct nvme_ctrl *ctrl, __le16 status,
 	if (le16_to_cpu(status) >> 1 != NVME_SC_SUCCESS)
 		return;
 
+	trace_nvme_async_event(ctrl, result);
 	switch (aer_type) {
 	case NVME_AER_NOTICE:
 		requeue = nvme_handle_aen_notice(ctrl, result);
@@ -4878,7 +4876,6 @@ void nvme_complete_async_event(struct nvme_ctrl *ctrl, __le16 status,
 	case NVME_AER_SMART:
 	case NVME_AER_CSS:
 	case NVME_AER_VS:
-		trace_nvme_async_event(ctrl, aer_type);
 		ctrl->aen_result = result;
 		break;
 	default:

drivers/nvme/host/pci.c

@@ -5,7 +5,6 @@
  */
 
 #include <linux/acpi.h>
-#include <linux/aer.h>
 #include <linux/async.h>
 #include <linux/blkdev.h>
 #include <linux/blk-mq.h>
@@ -2535,7 +2534,6 @@ static int nvme_pci_enable(struct nvme_dev *dev)
 
 	nvme_map_cmb(dev);
 
-	pci_enable_pcie_error_reporting(pdev);
 	pci_save_state(pdev);
 
 	result = nvme_pci_configure_admin_queue(dev);
@@ -2600,10 +2598,8 @@ static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown)
 	nvme_suspend_io_queues(dev);
 	nvme_suspend_queue(dev, 0);
 	pci_free_irq_vectors(pdev);
-	if (pci_is_enabled(pdev)) {
-		pci_disable_pcie_error_reporting(pdev);
+	if (pci_is_enabled(pdev))
 		pci_disable_device(pdev);
-	}
 	nvme_reap_pending_cqes(dev);
 
 	nvme_cancel_tagset(&dev->ctrl);

drivers/nvme/host/rdma.c

@@ -12,7 +12,6 @@
 #include <linux/string.h>
 #include <linux/atomic.h>
 #include <linux/blk-mq.h>
-#include <linux/blk-mq-rdma.h>
 #include <linux/blk-integrity.h>
 #include <linux/types.h>
 #include <linux/list.h>
@@ -464,7 +463,6 @@ static int nvme_rdma_create_cq(struct ib_device *ibdev,
 		struct nvme_rdma_queue *queue)
 {
 	int ret, comp_vector, idx = nvme_rdma_queue_idx(queue);
-	enum ib_poll_context poll_ctx;
 
 	/*
 	 * Spread I/O queues completion vectors according their queue index.
@@ -473,15 +471,12 @@ static int nvme_rdma_create_cq(struct ib_device *ibdev,
 	comp_vector = (idx == 0 ? idx : idx - 1) % ibdev->num_comp_vectors;
 
 	/* Polling queues need direct cq polling context */
-	if (nvme_rdma_poll_queue(queue)) {
-		poll_ctx = IB_POLL_DIRECT;
+	if (nvme_rdma_poll_queue(queue))
 		queue->ib_cq = ib_alloc_cq(ibdev, queue, queue->cq_size,
-					   comp_vector, poll_ctx);
-	} else {
-		poll_ctx = IB_POLL_SOFTIRQ;
+					   comp_vector, IB_POLL_DIRECT);
+	else
 		queue->ib_cq = ib_cq_pool_get(ibdev, queue->cq_size,
-					      comp_vector, poll_ctx);
-	}
+					      comp_vector, IB_POLL_SOFTIRQ);
 
 	if (IS_ERR(queue->ib_cq)) {
 		ret = PTR_ERR(queue->ib_cq);
@@ -2163,10 +2158,8 @@ static void nvme_rdma_map_queues(struct blk_mq_tag_set *set)
 			ctrl->io_queues[HCTX_TYPE_DEFAULT];
 		set->map[HCTX_TYPE_READ].queue_offset = 0;
 	}
-	blk_mq_rdma_map_queues(&set->map[HCTX_TYPE_DEFAULT],
-			ctrl->device->dev, 0);
-	blk_mq_rdma_map_queues(&set->map[HCTX_TYPE_READ],
-			ctrl->device->dev, 0);
+	blk_mq_map_queues(&set->map[HCTX_TYPE_DEFAULT]);
+	blk_mq_map_queues(&set->map[HCTX_TYPE_READ]);
 
 	if (opts->nr_poll_queues && ctrl->io_queues[HCTX_TYPE_POLL]) {
 		/* map dedicated poll queues only if we have queues left */

drivers/nvme/host/tcp.c

@@ -876,6 +876,9 @@ static int nvme_tcp_recv_skb(read_descriptor_t *desc, struct sk_buff *skb,
 	size_t consumed = len;
 	int result;
 
+	if (unlikely(!queue->rd_enabled))
+		return -EFAULT;
+
 	while (len) {
 		switch (nvme_tcp_recv_state(queue)) {
 		case NVME_TCP_RECV_PDU:

drivers/nvme/host/trace.h

@@ -127,13 +127,10 @@ TRACE_EVENT(nvme_async_event,
 	),
 	TP_printk("nvme%d: NVME_AEN=%#08x [%s]",
 		__entry->ctrl_id, __entry->result,
-		__print_symbolic(__entry->result,
-		aer_name(NVME_AER_NOTICE_NS_CHANGED),
-		aer_name(NVME_AER_NOTICE_ANA),
-		aer_name(NVME_AER_NOTICE_FW_ACT_STARTING),
-		aer_name(NVME_AER_NOTICE_DISC_CHANGED),
+		__print_symbolic(__entry->result & 0x7,
 			aer_name(NVME_AER_ERROR),
 			aer_name(NVME_AER_SMART),
+			aer_name(NVME_AER_NOTICE),
 			aer_name(NVME_AER_CSS),
 			aer_name(NVME_AER_VS))
 	)

drivers/nvme/target/admin-cmd.c

@@ -668,21 +668,11 @@ out:
 	nvmet_req_complete(req, status);
 }
 
-static bool nvmet_handle_identify_desclist(struct nvmet_req *req)
+static void nvmet_execute_identify_ctrl_nvm(struct nvmet_req *req)
 {
-	switch (req->cmd->identify.csi) {
-	case NVME_CSI_NVM:
-		nvmet_execute_identify_desclist(req);
-		return true;
-	case NVME_CSI_ZNS:
-		if (IS_ENABLED(CONFIG_BLK_DEV_ZONED)) {
-			nvmet_execute_identify_desclist(req);
-			return true;
-		}
-		return false;
-	default:
-		return false;
-	}
+	/* Not supported: return zeroes */
+	nvmet_req_complete(req,
+		   nvmet_zero_sgl(req, 0, sizeof(struct nvme_id_ctrl_nvm)));
 }
 
 static void nvmet_execute_identify(struct nvmet_req *req)
@@ -692,54 +682,49 @@ static void nvmet_execute_identify(struct nvmet_req *req)
 
 	switch (req->cmd->identify.cns) {
 	case NVME_ID_CNS_NS:
-		switch (req->cmd->identify.csi) {
-		case NVME_CSI_NVM:
-			return nvmet_execute_identify_ns(req);
-		default:
-			break;
-		}
-		break;
-	case NVME_ID_CNS_CS_NS:
-		if (IS_ENABLED(CONFIG_BLK_DEV_ZONED)) {
-			switch (req->cmd->identify.csi) {
-			case NVME_CSI_ZNS:
-				return nvmet_execute_identify_cns_cs_ns(req);
-			default:
-				break;
-			}
-		}
-		break;
+		nvmet_execute_identify_ns(req);
+		return;
 	case NVME_ID_CNS_CTRL:
+		nvmet_execute_identify_ctrl(req);
+		return;
+	case NVME_ID_CNS_NS_ACTIVE_LIST:
+		nvmet_execute_identify_nslist(req);
+		return;
+	case NVME_ID_CNS_NS_DESC_LIST:
+		nvmet_execute_identify_desclist(req);
+		return;
+	case NVME_ID_CNS_CS_NS:
 		switch (req->cmd->identify.csi) {
 		case NVME_CSI_NVM:
-			return nvmet_execute_identify_ctrl(req);
+			/* Not supported */
+			break;
+		case NVME_CSI_ZNS:
+			if (IS_ENABLED(CONFIG_BLK_DEV_ZONED)) {
+				nvmet_execute_identify_ns_zns(req);
+				return;
+			}
+			break;
 		}
 		break;
 	case NVME_ID_CNS_CS_CTRL:
-		if (IS_ENABLED(CONFIG_BLK_DEV_ZONED)) {
-			switch (req->cmd->identify.csi) {
-			case NVME_CSI_ZNS:
-				return nvmet_execute_identify_cns_cs_ctrl(req);
-			default:
-				break;
-			}
-		}
-		break;
-	case NVME_ID_CNS_NS_ACTIVE_LIST:
 		switch (req->cmd->identify.csi) {
 		case NVME_CSI_NVM:
-			return nvmet_execute_identify_nslist(req);
-		default:
-			break;
+			nvmet_execute_identify_ctrl_nvm(req);
+			return;
+		case NVME_CSI_ZNS:
+			if (IS_ENABLED(CONFIG_BLK_DEV_ZONED)) {
+				nvmet_execute_identify_ctrl_zns(req);
+				return;
 			}
 			break;
-	case NVME_ID_CNS_NS_DESC_LIST:
-		if (nvmet_handle_identify_desclist(req) == true)
-			return;
+		}
 		break;
 	}
 
-	nvmet_req_cns_error_complete(req);
+	pr_debug("unhandled identify cns %d on qid %d\n",
+	       req->cmd->identify.cns, req->sq->qid);
+	req->error_loc = offsetof(struct nvme_identify, cns);
+	nvmet_req_complete(req, NVME_SC_INVALID_FIELD | NVME_SC_DNR);
 }
 
 /*

drivers/nvme/target/fcloop.c

@@ -614,10 +614,11 @@ fcloop_fcp_recv_work(struct work_struct *work)
 	struct fcloop_fcpreq *tfcp_req =
 		container_of(work, struct fcloop_fcpreq, fcp_rcv_work);
 	struct nvmefc_fcp_req *fcpreq = tfcp_req->fcpreq;
+	unsigned long flags;
 	int ret = 0;
 	bool aborted = false;
 
-	spin_lock_irq(&tfcp_req->reqlock);
+	spin_lock_irqsave(&tfcp_req->reqlock, flags);
 	switch (tfcp_req->inistate) {
 	case INI_IO_START:
 		tfcp_req->inistate = INI_IO_ACTIVE;
@@ -626,11 +627,11 @@ fcloop_fcp_recv_work(struct work_struct *work)
 		aborted = true;
 		break;
 	default:
-		spin_unlock_irq(&tfcp_req->reqlock);
+		spin_unlock_irqrestore(&tfcp_req->reqlock, flags);
 		WARN_ON(1);
 		return;
 	}
-	spin_unlock_irq(&tfcp_req->reqlock);
+	spin_unlock_irqrestore(&tfcp_req->reqlock, flags);
 
 	if (unlikely(aborted))
 		ret = -ECANCELED;
@@ -655,8 +656,9 @@ fcloop_fcp_abort_recv_work(struct work_struct *work)
 		container_of(work, struct fcloop_fcpreq, abort_rcv_work);
 	struct nvmefc_fcp_req *fcpreq;
 	bool completed = false;
+	unsigned long flags;
 
-	spin_lock_irq(&tfcp_req->reqlock);
+	spin_lock_irqsave(&tfcp_req->reqlock, flags);
 	fcpreq = tfcp_req->fcpreq;
 	switch (tfcp_req->inistate) {
 	case INI_IO_ABORTED:
@@ -665,11 +667,11 @@ fcloop_fcp_abort_recv_work(struct work_struct *work)
 		completed = true;
 		break;
 	default:
-		spin_unlock_irq(&tfcp_req->reqlock);
+		spin_unlock_irqrestore(&tfcp_req->reqlock, flags);
 		WARN_ON(1);
 		return;
 	}
-	spin_unlock_irq(&tfcp_req->reqlock);
+	spin_unlock_irqrestore(&tfcp_req->reqlock, flags);
 
 	if (unlikely(completed)) {
 		/* remove reference taken in original abort downcall */
@@ -681,9 +683,9 @@ fcloop_fcp_abort_recv_work(struct work_struct *work)
 		nvmet_fc_rcv_fcp_abort(tfcp_req->tport->targetport,
 					&tfcp_req->tgt_fcp_req);
 
-	spin_lock_irq(&tfcp_req->reqlock);
+	spin_lock_irqsave(&tfcp_req->reqlock, flags);
 	tfcp_req->fcpreq = NULL;
-	spin_unlock_irq(&tfcp_req->reqlock);
+	spin_unlock_irqrestore(&tfcp_req->reqlock, flags);
 
 	fcloop_call_host_done(fcpreq, tfcp_req, -ECANCELED);
 	/* call_host_done releases reference for abort downcall */
@@ -699,11 +701,12 @@ fcloop_tgt_fcprqst_done_work(struct work_struct *work)
 	struct fcloop_fcpreq *tfcp_req =
 		container_of(work, struct fcloop_fcpreq, tio_done_work);
 	struct nvmefc_fcp_req *fcpreq;
+	unsigned long flags;
 
-	spin_lock_irq(&tfcp_req->reqlock);
+	spin_lock_irqsave(&tfcp_req->reqlock, flags);
 	fcpreq = tfcp_req->fcpreq;
 	tfcp_req->inistate = INI_IO_COMPLETED;
-	spin_unlock_irq(&tfcp_req->reqlock);
+	spin_unlock_irqrestore(&tfcp_req->reqlock, flags);
 
 	fcloop_call_host_done(fcpreq, tfcp_req, tfcp_req->status);
 }
@@ -807,13 +810,14 @@ fcloop_fcp_op(struct nvmet_fc_target_port *tgtport,
 	u32 rsplen = 0, xfrlen = 0;
 	int fcp_err = 0, active, aborted;
 	u8 op = tgt_fcpreq->op;
+	unsigned long flags;
 
-	spin_lock_irq(&tfcp_req->reqlock);
+	spin_lock_irqsave(&tfcp_req->reqlock, flags);
 	fcpreq = tfcp_req->fcpreq;
 	active = tfcp_req->active;
 	aborted = tfcp_req->aborted;
 	tfcp_req->active = true;
-	spin_unlock_irq(&tfcp_req->reqlock);
+	spin_unlock_irqrestore(&tfcp_req->reqlock, flags);
 
 	if (unlikely(active))
 		/* illegal - call while i/o active */
@@ -821,9 +825,9 @@ fcloop_fcp_op(struct nvmet_fc_target_port *tgtport,
 
 	if (unlikely(aborted)) {
 		/* target transport has aborted i/o prior */
-		spin_lock_irq(&tfcp_req->reqlock);
+		spin_lock_irqsave(&tfcp_req->reqlock, flags);
 		tfcp_req->active = false;
-		spin_unlock_irq(&tfcp_req->reqlock);
+		spin_unlock_irqrestore(&tfcp_req->reqlock, flags);
 		tgt_fcpreq->transferred_length = 0;
 		tgt_fcpreq->fcp_error = -ECANCELED;
 		tgt_fcpreq->done(tgt_fcpreq);
@@ -880,9 +884,9 @@ fcloop_fcp_op(struct nvmet_fc_target_port *tgtport,
 		break;
 	}
 
-	spin_lock_irq(&tfcp_req->reqlock);
+	spin_lock_irqsave(&tfcp_req->reqlock, flags);
 	tfcp_req->active = false;
-	spin_unlock_irq(&tfcp_req->reqlock);
+	spin_unlock_irqrestore(&tfcp_req->reqlock, flags);
 
 	tgt_fcpreq->transferred_length = xfrlen;
 	tgt_fcpreq->fcp_error = fcp_err;
@@ -896,15 +900,16 @@ fcloop_tgt_fcp_abort(struct nvmet_fc_target_port *tgtport,
 			struct nvmefc_tgt_fcp_req *tgt_fcpreq)
 {
 	struct fcloop_fcpreq *tfcp_req = tgt_fcp_req_to_fcpreq(tgt_fcpreq);
+	unsigned long flags;
 
 	/*
 	 * mark aborted only in case there were 2 threads in transport
 	 * (one doing io, other doing abort) and only kills ops posted
 	 * after the abort request
 	 */
-	spin_lock_irq(&tfcp_req->reqlock);
+	spin_lock_irqsave(&tfcp_req->reqlock, flags);
 	tfcp_req->aborted = true;
-	spin_unlock_irq(&tfcp_req->reqlock);
+	spin_unlock_irqrestore(&tfcp_req->reqlock, flags);
 
 	tfcp_req->status = NVME_SC_INTERNAL;
 
@@ -946,6 +951,7 @@ fcloop_fcp_abort(struct nvme_fc_local_port *localport,
 	struct fcloop_ini_fcpreq *inireq = fcpreq->private;
 	struct fcloop_fcpreq *tfcp_req;
 	bool abortio = true;
+	unsigned long flags;
 
 	spin_lock(&inireq->inilock);
 	tfcp_req = inireq->tfcp_req;
@@ -958,7 +964,7 @@ fcloop_fcp_abort(struct nvme_fc_local_port *localport,
 		return;
 
 	/* break initiator/target relationship for io */
-	spin_lock_irq(&tfcp_req->reqlock);
+	spin_lock_irqsave(&tfcp_req->reqlock, flags);
 	switch (tfcp_req->inistate) {
 	case INI_IO_START:
 	case INI_IO_ACTIVE:
@@ -968,11 +974,11 @@ fcloop_fcp_abort(struct nvme_fc_local_port *localport,
 		abortio = false;
 		break;
 	default:
-		spin_unlock_irq(&tfcp_req->reqlock);
+		spin_unlock_irqrestore(&tfcp_req->reqlock, flags);
 		WARN_ON(1);
 		return;
 	}
-	spin_unlock_irq(&tfcp_req->reqlock);
+	spin_unlock_irqrestore(&tfcp_req->reqlock, flags);
 
 	if (abortio)
 		/* leave the reference while the work item is scheduled */

drivers/nvme/target/nvmet.h

@@ -581,8 +581,8 @@ bool nvmet_ns_revalidate(struct nvmet_ns *ns);
 u16 blk_to_nvme_status(struct nvmet_req *req, blk_status_t blk_sts);
 
 bool nvmet_bdev_zns_enable(struct nvmet_ns *ns);
-void nvmet_execute_identify_cns_cs_ctrl(struct nvmet_req *req);
-void nvmet_execute_identify_cns_cs_ns(struct nvmet_req *req);
+void nvmet_execute_identify_ctrl_zns(struct nvmet_req *req);
+void nvmet_execute_identify_ns_zns(struct nvmet_req *req);
 void nvmet_bdev_execute_zone_mgmt_recv(struct nvmet_req *req);
 void nvmet_bdev_execute_zone_mgmt_send(struct nvmet_req *req);
 void nvmet_bdev_execute_zone_append(struct nvmet_req *req);
@@ -687,14 +687,6 @@ static inline bool nvmet_use_inline_bvec(struct nvmet_req *req)
 	       req->sg_cnt <= NVMET_MAX_INLINE_BIOVEC;
 }
 
-static inline void nvmet_req_cns_error_complete(struct nvmet_req *req)
-{
-	pr_debug("unhandled identify cns %d on qid %d\n",
-	       req->cmd->identify.cns, req->sq->qid);
-	req->error_loc = offsetof(struct nvme_identify, cns);
-	nvmet_req_complete(req, NVME_SC_INVALID_FIELD | NVME_SC_DNR);
-}
-
 static inline void nvmet_req_bio_put(struct nvmet_req *req, struct bio *bio)
 {
 	if (bio != &req->b.inline_bio)

drivers/nvme/target/tcp.c

@@ -20,6 +20,31 @@
 
 #define NVMET_TCP_DEF_INLINE_DATA_SIZE	(4 * PAGE_SIZE)
 
+static int param_store_val(const char *str, int *val, int min, int max)
+{
+	int ret, new_val;
+
+	ret = kstrtoint(str, 10, &new_val);
+	if (ret)
+		return -EINVAL;
+
+	if (new_val < min || new_val > max)
+		return -EINVAL;
+
+	*val = new_val;
+	return 0;
+}
+
+static int set_params(const char *str, const struct kernel_param *kp)
+{
+	return param_store_val(str, kp->arg, 0, INT_MAX);
+}
+
+static const struct kernel_param_ops set_param_ops = {
+	.set	= set_params,
+	.get	= param_get_int,
+};
+
 /* Define the socket priority to use for connections were it is desirable
  * that the NIC consider performing optimized packet processing or filtering.
  * A non-zero value being sufficient to indicate general consideration of any
@@ -27,8 +52,8 @@
  * values that may be unique for some NIC implementations.
  */
 static int so_priority;
-module_param(so_priority, int, 0644);
-MODULE_PARM_DESC(so_priority, "nvmet tcp socket optimize priority");
+device_param_cb(so_priority, &set_param_ops, &so_priority, 0644);
+MODULE_PARM_DESC(so_priority, "nvmet tcp socket optimize priority: Default 0");
 
 /* Define a time period (in usecs) that io_work() shall sample an activated
  * queue before determining it to be idle.  This optional module behavior
@@ -36,9 +61,10 @@ MODULE_PARM_DESC(so_priority, "nvmet tcp socket optimize priority");
  * using advanced interrupt moderation techniques.
  */
 static int idle_poll_period_usecs;
-module_param(idle_poll_period_usecs, int, 0644);
+device_param_cb(idle_poll_period_usecs, &set_param_ops,
+		&idle_poll_period_usecs, 0644);
 MODULE_PARM_DESC(idle_poll_period_usecs,
-		"nvmet tcp io_work poll till idle time period in usecs");
+		"nvmet tcp io_work poll till idle time period in usecs: Default 0");
 
 #define NVMET_TCP_RECV_BUDGET		8
 #define NVMET_TCP_SEND_BUDGET		8

drivers/nvme/target/zns.c

@@ -70,7 +70,7 @@ bool nvmet_bdev_zns_enable(struct nvmet_ns *ns)
 	return true;
 }
 
-void nvmet_execute_identify_cns_cs_ctrl(struct nvmet_req *req)
+void nvmet_execute_identify_ctrl_zns(struct nvmet_req *req)
 {
 	u8 zasl = req->sq->ctrl->subsys->zasl;
 	struct nvmet_ctrl *ctrl = req->sq->ctrl;
@@ -95,9 +95,9 @@ out:
 	nvmet_req_complete(req, status);
 }
 
-void nvmet_execute_identify_cns_cs_ns(struct nvmet_req *req)
+void nvmet_execute_identify_ns_zns(struct nvmet_req *req)
 {
-	struct nvme_id_ns_zns *id_zns;
+	struct nvme_id_ns_zns *id_zns = NULL;
 	u64 zsze;
 	u16 status;
 	u32 mar, mor;
@@ -118,16 +118,18 @@ void nvmet_execute_identify_cns_cs_ns(struct nvmet_req *req)
 	if (status)
 		goto done;
 
-	if (!bdev_is_zoned(req->ns->bdev)) {
-		req->error_loc = offsetof(struct nvme_identify, nsid);
-		goto done;
-	}
-
 	if (nvmet_ns_revalidate(req->ns)) {
 		mutex_lock(&req->ns->subsys->lock);
 		nvmet_ns_changed(req->ns->subsys, req->ns->nsid);
 		mutex_unlock(&req->ns->subsys->lock);
 	}
+
+	if (!bdev_is_zoned(req->ns->bdev)) {
+		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		req->error_loc = offsetof(struct nvme_identify, nsid);
+		goto out;
+	}
+
 	zsze = (bdev_zone_sectors(req->ns->bdev) << 9) >>
 					req->ns->blksize_shift;
 	id_zns->lbafe[0].zsze = cpu_to_le64(zsze);
@@ -148,8 +150,8 @@ void nvmet_execute_identify_cns_cs_ns(struct nvmet_req *req)
 
 done:
 	status = nvmet_copy_to_sgl(req, 0, id_zns, sizeof(*id_zns));
-	kfree(id_zns);
 out:
+	kfree(id_zns);
 	nvmet_req_complete(req, status);
 }
 

include/linux/blk-mq-rdma.h

@@ -1,11 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _LINUX_BLK_MQ_RDMA_H
-#define _LINUX_BLK_MQ_RDMA_H
-
-struct blk_mq_tag_set;
-struct ib_device;
-
-void blk_mq_rdma_map_queues(struct blk_mq_queue_map *map,
-		struct ib_device *dev, int first_vec);
-
-#endif /* _LINUX_BLK_MQ_RDMA_H */