Merge 'mlx5-next' into mlx5-devx

The enhanced devx support series needs commit:
9d43faac ("net/mlx5: Update mlx5_ifc with DEVX UCTX capabilities bits")
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/mlx5/Makefile

 obj-$(CONFIG_MLX5_INFINIBAND)	+= mlx5_ib.o
 
-mlx5_ib-y :=	main.o cq.o doorbell.o qp.o mem.o srq.o mr.o ah.o mad.o gsi.o ib_virt.o cmd.o cong.o
+mlx5_ib-y :=	main.o cq.o doorbell.o qp.o mem.o srq_cmd.o \
+		srq.o mr.o ah.o mad.o gsi.o ib_virt.o cmd.o \
+		cong.o
 mlx5_ib-$(CONFIG_INFINIBAND_ON_DEMAND_PAGING) += odp.o
 mlx5_ib-$(CONFIG_MLX5_ESWITCH) += ib_rep.o
 mlx5_ib-$(CONFIG_INFINIBAND_USER_ACCESS) += devx.o

drivers/infiniband/hw/mlx5/cq.c

@@ -35,6 +35,7 @@
 #include <rdma/ib_user_verbs.h>
 #include <rdma/ib_cache.h>
 #include "mlx5_ib.h"
+#include "srq.h"
 
 static void mlx5_ib_cq_comp(struct mlx5_core_cq *cq)
 {
@@ -177,8 +178,7 @@ static void handle_responder(struct ib_wc *wc, struct mlx5_cqe64 *cqe,
 		struct mlx5_core_srq *msrq = NULL;
 
 		if (qp->ibqp.xrcd) {
-			msrq = mlx5_core_get_srq(dev->mdev,
-						 be32_to_cpu(cqe->srqn));
+			msrq = mlx5_cmd_get_srq(dev, be32_to_cpu(cqe->srqn));
 			srq = to_mibsrq(msrq);
 		} else {
 			srq = to_msrq(qp->ibqp.srq);

drivers/infiniband/hw/mlx5/ib_rep.c

@@ -4,6 +4,7 @@
  */
 
 #include "ib_rep.h"
+#include "srq.h"
 
 static const struct mlx5_ib_profile rep_profile = {
 	STAGE_CREATE(MLX5_IB_STAGE_INIT,
@@ -21,6 +22,9 @@ static const struct mlx5_ib_profile rep_profile = {
 	STAGE_CREATE(MLX5_IB_STAGE_ROCE,
 		     mlx5_ib_stage_rep_roce_init,
 		     mlx5_ib_stage_rep_roce_cleanup),
+	STAGE_CREATE(MLX5_IB_STAGE_SRQ,
+		     mlx5_init_srq_table,
+		     mlx5_cleanup_srq_table),
 	STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES,
 		     mlx5_ib_stage_dev_res_init,
 		     mlx5_ib_stage_dev_res_cleanup),

drivers/infiniband/hw/mlx5/mlx5_ib.h

@@ -41,7 +41,6 @@
 #include <linux/mlx5/cq.h>
 #include <linux/mlx5/fs.h>
 #include <linux/mlx5/qp.h>
-#include <linux/mlx5/srq.h>
 #include <linux/mlx5/fs.h>
 #include <linux/types.h>
 #include <linux/mlx5/transobj.h>
@@ -50,6 +49,8 @@
 #include <rdma/uverbs_ioctl.h>
 #include <rdma/mlx5_user_ioctl_cmds.h>
 
+#include "srq.h"
+
 #define mlx5_ib_dbg(_dev, format, arg...)                                      \
 	dev_dbg(&(_dev)->ib_dev.dev, "%s:%d:(pid %d): " format, __func__,      \
 		__LINE__, current->pid, ##arg)
@@ -776,13 +777,16 @@ enum mlx5_ib_stages {
 	MLX5_IB_STAGE_CAPS,
 	MLX5_IB_STAGE_NON_DEFAULT_CB,
 	MLX5_IB_STAGE_ROCE,
+	MLX5_IB_STAGE_SRQ,
 	MLX5_IB_STAGE_DEVICE_RESOURCES,
+	MLX5_IB_STAGE_DEVICE_NOTIFIER,
 	MLX5_IB_STAGE_ODP,
 	MLX5_IB_STAGE_COUNTERS,
 	MLX5_IB_STAGE_CONG_DEBUGFS,
 	MLX5_IB_STAGE_UAR,
 	MLX5_IB_STAGE_BFREG,
 	MLX5_IB_STAGE_PRE_IB_REG_UMR,
+	MLX5_IB_STAGE_WHITELIST_UID,
 	MLX5_IB_STAGE_IB_REG,
 	MLX5_IB_STAGE_POST_IB_REG_UMR,
 	MLX5_IB_STAGE_DELAY_DROP,
@@ -807,6 +811,7 @@ struct mlx5_ib_multiport_info {
 	struct list_head list;
 	struct mlx5_ib_dev *ibdev;
 	struct mlx5_core_dev *mdev;
+	struct notifier_block mdev_events;
 	struct completion unref_comp;
 	u64 sys_image_guid;
 	u32 mdev_refcnt;
@@ -893,6 +898,7 @@ struct mlx5_ib_pf_eq {
 struct mlx5_ib_dev {
 	struct ib_device		ib_dev;
 	struct mlx5_core_dev		*mdev;
+	struct notifier_block		mdev_events;
 	struct mlx5_roce		roce[MLX5_MAX_PORTS];
 	int				num_ports;
 	/* serialize update of capability mask
@@ -938,6 +944,7 @@ struct mlx5_ib_dev {
 	u64			sys_image_guid;
 	struct mlx5_memic	memic;
 	u16			devx_whitelist_uid;
+	struct mlx5_srq_table   srq_table;
 };
 
 static inline struct mlx5_ib_cq *to_mibcq(struct mlx5_core_cq *mcq)

drivers/infiniband/hw/mlx5/srq.c

+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /*
- * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses.  You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- *     Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *      - Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *
- *      - Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * Copyright (c) 2013-2018, Mellanox Technologies inc.  All rights reserved.
  */
 
 #include <linux/module.h>
 #include <linux/mlx5/qp.h>
-#include <linux/mlx5/srq.h>
 #include <linux/slab.h>
 #include <rdma/ib_umem.h>
 #include <rdma/ib_user_verbs.h>
-
 #include "mlx5_ib.h"
-
-/* not supported currently */
-static int srq_signature;
+#include "srq.h"
 
 static void *get_wqe(struct mlx5_ib_srq *srq, int n)
 {
@@ -206,7 +175,7 @@ static int create_srq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_srq *srq,
 		err = -ENOMEM;
 		goto err_in;
 	}
-	srq->wq_sig = !!srq_signature;
+	srq->wq_sig = 0;
 
 	in->log_page_size = srq->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT;
 	if (MLX5_CAP_GEN(dev->mdev, cqe_version) == MLX5_CQE_VERSION_V1 &&
@@ -331,7 +300,7 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd,
 
 	in.pd = to_mpd(pd)->pdn;
 	in.db_record = srq->db.dma;
-	err = mlx5_core_create_srq(dev->mdev, &srq->msrq, &in);
+	err = mlx5_cmd_create_srq(dev, &srq->msrq, &in);
 	kvfree(in.pas);
 	if (err) {
 		mlx5_ib_dbg(dev, "create SRQ failed, err %d\n", err);
@@ -355,7 +324,7 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd,
 	return &srq->ibsrq;
 
 err_core:
-	mlx5_core_destroy_srq(dev->mdev, &srq->msrq);
+	mlx5_cmd_destroy_srq(dev, &srq->msrq);
 
 err_usr_kern_srq:
 	if (pd->uobject)
@@ -385,7 +354,7 @@ int mlx5_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
 			return -EINVAL;
 
 		mutex_lock(&srq->mutex);
-		ret = mlx5_core_arm_srq(dev->mdev, &srq->msrq, attr->srq_limit, 1);
+		ret = mlx5_cmd_arm_srq(dev, &srq->msrq, attr->srq_limit, 1);
 		mutex_unlock(&srq->mutex);
 
 		if (ret)
@@ -406,7 +375,7 @@ int mlx5_ib_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr)
 	if (!out)
 		return -ENOMEM;
 
-	ret = mlx5_core_query_srq(dev->mdev, &srq->msrq, out);
+	ret = mlx5_cmd_query_srq(dev, &srq->msrq, out);
 	if (ret)
 		goto out_box;
 
@@ -424,7 +393,7 @@ int mlx5_ib_destroy_srq(struct ib_srq *srq)
 	struct mlx5_ib_dev *dev = to_mdev(srq->device);
 	struct mlx5_ib_srq *msrq = to_msrq(srq);
 
-	mlx5_core_destroy_srq(dev->mdev, &msrq->msrq);
+	mlx5_cmd_destroy_srq(dev, &msrq->msrq);
 
 	if (srq->uobject) {
 		mlx5_ib_db_unmap_user(to_mucontext(srq->uobject->context), &msrq->db);

drivers/infiniband/hw/mlx5/srq.h

+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/*
+ * Copyright (c) 2013-2018, Mellanox Technologies. All rights reserved.
+ */
+
+#ifndef MLX5_IB_SRQ_H
+#define MLX5_IB_SRQ_H
+
+enum {
+	MLX5_SRQ_FLAG_ERR    = (1 << 0),
+	MLX5_SRQ_FLAG_WQ_SIG = (1 << 1),
+	MLX5_SRQ_FLAG_RNDV   = (1 << 2),
+};
+
+struct mlx5_srq_attr {
+	u32 type;
+	u32 flags;
+	u32 log_size;
+	u32 wqe_shift;
+	u32 log_page_size;
+	u32 wqe_cnt;
+	u32 srqn;
+	u32 xrcd;
+	u32 page_offset;
+	u32 cqn;
+	u32 pd;
+	u32 lwm;
+	u32 user_index;
+	u64 db_record;
+	__be64 *pas;
+	u32 tm_log_list_size;
+	u32 tm_next_tag;
+	u32 tm_hw_phase_cnt;
+	u32 tm_sw_phase_cnt;
+	u16 uid;
+};
+
+struct mlx5_ib_dev;
+
+struct mlx5_core_srq {
+	struct mlx5_core_rsc_common common; /* must be first */
+	u32 srqn;
+	int max;
+	size_t max_gs;
+	size_t max_avail_gather;
+	int wqe_shift;
+	void (*event)(struct mlx5_core_srq *srq, enum mlx5_event e);
+
+	atomic_t refcount;
+	struct completion free;
+	u16 uid;
+};
+
+struct mlx5_srq_table {
+	struct notifier_block nb;
+	/* protect radix tree
+	 */
+	spinlock_t lock;
+	struct radix_tree_root tree;
+};
+
+int mlx5_cmd_create_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
+			struct mlx5_srq_attr *in);
+int mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq);
+int mlx5_cmd_query_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
+		       struct mlx5_srq_attr *out);
+int mlx5_cmd_arm_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
+		     u16 lwm, int is_srq);
+struct mlx5_core_srq *mlx5_cmd_get_srq(struct mlx5_ib_dev *dev, u32 srqn);
+
+int mlx5_init_srq_table(struct mlx5_ib_dev *dev);
+void mlx5_cleanup_srq_table(struct mlx5_ib_dev *dev);
+#endif /* MLX5_IB_SRQ_H */

drivers/net/ethernet/mellanox/mlx5/core/Makefile

@@ -12,9 +12,9 @@ obj-$(CONFIG_MLX5_CORE) += mlx5_core.o
 # mlx5 core basic
 #
 mlx5_core-y :=	main.o cmd.o debugfs.o fw.o eq.o uar.o pagealloc.o \
-		health.o mcg.o cq.o srq.o alloc.o qp.o port.o mr.o pd.o \
+		health.o mcg.o cq.o alloc.o qp.o port.o mr.o pd.o \
 		mad.o transobj.o vport.o sriov.o fs_cmd.o fs_core.o \
-		fs_counters.o rl.o lag.o dev.o wq.o lib/gid.o  \
+		fs_counters.o rl.o lag.o dev.o events.o wq.o lib/gid.o \
 		diag/fs_tracepoint.o diag/fw_tracer.o
 
 #

drivers/net/ethernet/mellanox/mlx5/core/cmd.c

@@ -40,9 +40,11 @@
 #include <linux/random.h>
 #include <linux/io-mapping.h>
 #include <linux/mlx5/driver.h>
+#include <linux/mlx5/eq.h>
 #include <linux/debugfs.h>
 
 #include "mlx5_core.h"
+#include "lib/eq.h"
 
 enum {
 	CMD_IF_REV = 5,
@@ -805,6 +807,8 @@ static u16 msg_to_opcode(struct mlx5_cmd_msg *in)
 	return MLX5_GET(mbox_in, in->first.data, opcode);
 }
 
+static void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool forced);
+
 static void cb_timeout_handler(struct work_struct *work)
 {
 	struct delayed_work *dwork = container_of(work, struct delayed_work,
@@ -1412,14 +1416,32 @@ static void mlx5_cmd_change_mod(struct mlx5_core_dev *dev, int mode)
 		up(&cmd->sem);
 }
 
+static int cmd_comp_notifier(struct notifier_block *nb,
+			     unsigned long type, void *data)
+{
+	struct mlx5_core_dev *dev;
+	struct mlx5_cmd *cmd;
+	struct mlx5_eqe *eqe;
+
+	cmd = mlx5_nb_cof(nb, struct mlx5_cmd, nb);
+	dev = container_of(cmd, struct mlx5_core_dev, cmd);
+	eqe = data;
+
+	mlx5_cmd_comp_handler(dev, be32_to_cpu(eqe->data.cmd.vector), false);
+
+	return NOTIFY_OK;
+}
 void mlx5_cmd_use_events(struct mlx5_core_dev *dev)
 {
+	MLX5_NB_INIT(&dev->cmd.nb, cmd_comp_notifier, CMD);
+	mlx5_eq_notifier_register(dev, &dev->cmd.nb);
 	mlx5_cmd_change_mod(dev, CMD_MODE_EVENTS);
 }
 
 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev)
 {
 	mlx5_cmd_change_mod(dev, CMD_MODE_POLLING);
+	mlx5_eq_notifier_unregister(dev, &dev->cmd.nb);
 }
 
 static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg)
@@ -1435,7 +1457,7 @@ static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg)
 	}
 }
 
-void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool forced)
+static void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool forced)
 {
 	struct mlx5_cmd *cmd = &dev->cmd;
 	struct mlx5_cmd_work_ent *ent;
@@ -1533,7 +1555,29 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool forced)
 		}
 	}
 }
-EXPORT_SYMBOL(mlx5_cmd_comp_handler);
+
+void mlx5_cmd_trigger_completions(struct mlx5_core_dev *dev)
+{
+	unsigned long flags;
+	u64 vector;
+
+	/* wait for pending handlers to complete */
+	mlx5_eq_synchronize_cmd_irq(dev);
+	spin_lock_irqsave(&dev->cmd.alloc_lock, flags);
+	vector = ~dev->cmd.bitmask & ((1ul << (1 << dev->cmd.log_sz)) - 1);
+	if (!vector)
+		goto no_trig;
+
+	vector |= MLX5_TRIGGERED_CMD_COMP;
+	spin_unlock_irqrestore(&dev->cmd.alloc_lock, flags);
+
+	mlx5_core_dbg(dev, "vector 0x%llx\n", vector);
+	mlx5_cmd_comp_handler(dev, vector, true);
+	return;
+
+no_trig:
+	spin_unlock_irqrestore(&dev->cmd.alloc_lock, flags);
+}
 
 static int status_to_err(u8 status)
 {

drivers/net/ethernet/mellanox/mlx5/core/dev.c

@@ -45,75 +45,11 @@ struct mlx5_device_context {
 	unsigned long		state;
 };
 
-struct mlx5_delayed_event {
-	struct list_head	list;
-	struct mlx5_core_dev	*dev;
-	enum mlx5_dev_event	event;
-	unsigned long		param;
-};
-
 enum {
 	MLX5_INTERFACE_ADDED,
 	MLX5_INTERFACE_ATTACHED,
 };
 
-static void add_delayed_event(struct mlx5_priv *priv,
-			      struct mlx5_core_dev *dev,
-			      enum mlx5_dev_event event,
-			      unsigned long param)
-{
-	struct mlx5_delayed_event *delayed_event;
-
-	delayed_event = kzalloc(sizeof(*delayed_event), GFP_ATOMIC);
-	if (!delayed_event) {
-		mlx5_core_err(dev, "event %d is missed\n", event);
-		return;
-	}
-
-	mlx5_core_dbg(dev, "Accumulating event %d\n", event);
-	delayed_event->dev = dev;
-	delayed_event->event = event;
-	delayed_event->param = param;
-	list_add_tail(&delayed_event->list, &priv->waiting_events_list);
-}
-
-static void delayed_event_release(struct mlx5_device_context *dev_ctx,
-				  struct mlx5_priv *priv)
-{
-	struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv);
-	struct mlx5_delayed_event *de;
-	struct mlx5_delayed_event *n;
-	struct list_head temp;
-
-	INIT_LIST_HEAD(&temp);
-
-	spin_lock_irq(&priv->ctx_lock);
-
-	priv->is_accum_events = false;
-	list_splice_init(&priv->waiting_events_list, &temp);
-	if (!dev_ctx->context)
-		goto out;
-	list_for_each_entry_safe(de, n, &temp, list)
-		dev_ctx->intf->event(dev, dev_ctx->context, de->event, de->param);
-
-out:
-	spin_unlock_irq(&priv->ctx_lock);
-
-	list_for_each_entry_safe(de, n, &temp, list) {
-		list_del(&de->list);
-		kfree(de);
-	}
-}
-
-/* accumulating events that can come after mlx5_ib calls to
- * ib_register_device, till adding that interface to the events list.
- */
-static void delayed_event_start(struct mlx5_priv *priv)
-{
-	spin_lock_irq(&priv->ctx_lock);
-	priv->is_accum_events = true;
-	spin_unlock_irq(&priv->ctx_lock);
-}
 
 void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv)
 {
@@ -129,8 +65,6 @@ void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv)
 
 	dev_ctx->intf = intf;
 
-	delayed_event_start(priv);
-
 	dev_ctx->context = intf->add(dev);
 	if (dev_ctx->context) {
 		set_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state);
@@ -142,8 +76,6 @@ void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv)
 		spin_unlock_irq(&priv->ctx_lock);
 	}
 
-	delayed_event_release(dev_ctx, priv);
-
 	if (!dev_ctx->context)
 		kfree(dev_ctx);
 }
@@ -187,26 +119,20 @@ static void mlx5_attach_interface(struct mlx5_interface *intf, struct mlx5_priv
 	if (!dev_ctx)
 		return;
 
-	delayed_event_start(priv);
 	if (intf->attach) {
 		if (test_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state))
-			goto out;
+			return;
 		if (intf->attach(dev, dev_ctx->context))
-			goto out;
-
+			return;
 		set_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state);
 	} else {
 		if (test_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state))
-			goto out;
+			return;
 		dev_ctx->context = intf->add(dev);
 		if (!dev_ctx->context)
-			goto out;
-
+			return;
 		set_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state);
 	}
-
-out:
-	delayed_event_release(dev_ctx, priv);
 }
 
 void mlx5_attach_device(struct mlx5_core_dev *dev)
@@ -402,30 +328,6 @@ struct mlx5_core_dev *mlx5_get_next_phys_dev(struct mlx5_core_dev *dev)
 	return res;
 }
 
-void mlx5_core_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event,
-		     unsigned long param)
-{
-	struct mlx5_priv *priv = &dev->priv;
-	struct mlx5_device_context *dev_ctx;
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->ctx_lock, flags);
-
-	if (priv->is_accum_events)
-		add_delayed_event(priv, dev, event, param);
-
-	/* After mlx5_detach_device, the dev_ctx->intf is still set and dev_ctx is
-	 * still in priv->ctx_list. In this case, only notify the dev_ctx if its
-	 * ADDED or ATTACHED bit are set.
-	 */
-	list_for_each_entry(dev_ctx, &priv->ctx_list, list)
-		if (dev_ctx->intf->event &&
-		    (test_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state) ||
-		     test_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state)))
-			dev_ctx->intf->event(dev, dev_ctx->context, event, param);
-
-	spin_unlock_irqrestore(&priv->ctx_lock, flags);
-}
 
 void mlx5_dev_list_lock(void)
 {

drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c

@@ -30,6 +30,7 @@
  * SOFTWARE.
  */
 #define CREATE_TRACE_POINTS
+#include "lib/eq.h"
 #include "fw_tracer.h"
 #include "fw_tracer_tracepoint.h"
 
@@ -846,9 +847,9 @@ struct mlx5_fw_tracer *mlx5_fw_tracer_create(struct mlx5_core_dev *dev)
 	return ERR_PTR(err);
 }
 
-/* Create HW resources + start tracer
- * must be called before Async EQ is created
- */
+static int fw_tracer_event(struct notifier_block *nb, unsigned long action, void *data);
+
+/* Create HW resources + start tracer */
 int mlx5_fw_tracer_init(struct mlx5_fw_tracer *tracer)
 {
 	struct mlx5_core_dev *dev;
@@ -874,6 +875,9 @@ int mlx5_fw_tracer_init(struct mlx5_fw_tracer *tracer)
 		goto err_dealloc_pd;
 	}
 
+	MLX5_NB_INIT(&tracer->nb, fw_tracer_event, DEVICE_TRACER);
+	mlx5_eq_notifier_register(dev, &tracer->nb);
+
 	mlx5_fw_tracer_start(tracer);
 
 	return 0;
@@ -883,9 +887,7 @@ int mlx5_fw_tracer_init(struct mlx5_fw_tracer *tracer)
 	return err;
 }
 
-/* Stop tracer + Cleanup HW resources
- * must be called after Async EQ is destroyed
- */
+/* Stop tracer + Cleanup HW resources */
 void mlx5_fw_tracer_cleanup(struct mlx5_fw_tracer *tracer)
 {
 	if (IS_ERR_OR_NULL(tracer))
@@ -893,7 +895,7 @@ void mlx5_fw_tracer_cleanup(struct mlx5_fw_tracer *tracer)
 
 	mlx5_core_dbg(tracer->dev, "FWTracer: Cleanup, is owner ? (%d)\n",
 		      tracer->owner);
-
+	mlx5_eq_notifier_unregister(tracer->dev, &tracer->nb);
 	cancel_work_sync(&tracer->ownership_change_work);
 	cancel_work_sync(&tracer->handle_traces_work);
 
@@ -922,12 +924,11 @@ void mlx5_fw_tracer_destroy(struct mlx5_fw_tracer *tracer)
 	kfree(tracer);
 }
 
-void mlx5_fw_tracer_event(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe)
+static int fw_tracer_event(struct notifier_block *nb, unsigned long action, void *data)
 {
-	struct mlx5_fw_tracer *tracer = dev->tracer;
-
-	if (!tracer)
-		return;
+	struct mlx5_fw_tracer *tracer = mlx5_nb_cof(nb, struct mlx5_fw_tracer, nb);
+	struct mlx5_core_dev *dev = tracer->dev;
+	struct mlx5_eqe *eqe = data;
 
 	switch (eqe->sub_type) {
 	case MLX5_TRACER_SUBTYPE_OWNERSHIP_CHANGE:
@@ -942,6 +943,8 @@ void mlx5_fw_tracer_event(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe)
 		mlx5_core_dbg(dev, "FWTracer: Event with unrecognized subtype: sub_type %d\n",
 			      eqe->sub_type);
 	}
+
+	return NOTIFY_OK;
 }
 
 EXPORT_TRACEPOINT_SYMBOL(mlx5_fw);

drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.h

@@ -55,6 +55,7 @@
 
 struct mlx5_fw_tracer {
 	struct mlx5_core_dev *dev;
+	struct mlx5_nb        nb;
 	bool owner;
 	u8   trc_ver;
 	struct workqueue_struct *work_queue;
@@ -170,6 +171,5 @@ struct mlx5_fw_tracer *mlx5_fw_tracer_create(struct mlx5_core_dev *dev);
 int mlx5_fw_tracer_init(struct mlx5_fw_tracer *tracer);
 void mlx5_fw_tracer_cleanup(struct mlx5_fw_tracer *tracer);
 void mlx5_fw_tracer_destroy(struct mlx5_fw_tracer *tracer);
-void mlx5_fw_tracer_event(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
 
 #endif

drivers/net/ethernet/mellanox/mlx5/core/en.h

@@ -631,7 +631,6 @@ struct mlx5e_channel_stats {
 } ____cacheline_aligned_in_smp;
 
 enum {
-	MLX5E_STATE_ASYNC_EVENTS_ENABLED,
 	MLX5E_STATE_OPENED,
 	MLX5E_STATE_DESTROYING,
 };
@@ -690,6 +689,8 @@ struct mlx5e_priv {
 	struct hwtstamp_config     tstamp;
 	u16                        q_counter;
 	u16                        drop_rq_q_counter;
+	struct notifier_block      events_nb;
+
 #ifdef CONFIG_MLX5_CORE_EN_DCB
 	struct mlx5e_dcbx          dcbx;
 #endif

drivers/net/ethernet/mellanox/mlx5/core/en_main.c

@@ -294,33 +294,35 @@ void mlx5e_queue_update_stats(struct mlx5e_priv *priv)
 	queue_work(priv->wq, &priv->update_stats_work);
 }
 
-static void mlx5e_async_event(struct mlx5_core_dev *mdev, void *vpriv,
-			      enum mlx5_dev_event event, unsigned long param)
+static int async_event(struct notifier_block *nb, unsigned long event, void *data)
 {
-	struct mlx5e_priv *priv = vpriv;
+	struct mlx5e_priv *priv = container_of(nb, struct mlx5e_priv, events_nb);
+	struct mlx5_eqe   *eqe = data;
 
-	if (!test_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLED, &priv->state))
-		return;
+	if (event != MLX5_EVENT_TYPE_PORT_CHANGE)
+		return NOTIFY_DONE;
 
-	switch (event) {
-	case MLX5_DEV_EVENT_PORT_UP:
-	case MLX5_DEV_EVENT_PORT_DOWN:
+	switch (eqe->sub_type) {
+	case MLX5_PORT_CHANGE_SUBTYPE_DOWN:
+	case MLX5_PORT_CHANGE_SUBTYPE_ACTIVE:
 		queue_work(priv->wq, &priv->update_carrier_work);
 		break;
 	default:
-		break;
+		return NOTIFY_DONE;
 	}
+
+	return NOTIFY_OK;
 }
 
 static void mlx5e_enable_async_events(struct mlx5e_priv *priv)
 {
-	set_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLED, &priv->state);
+	priv->events_nb.notifier_call = async_event;
+	mlx5_notifier_register(priv->mdev, &priv->events_nb);
 }
 
 static void mlx5e_disable_async_events(struct mlx5e_priv *priv)
 {
-	clear_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLED, &priv->state);
-	mlx5_eq_synchronize_async_irq(priv->mdev);
+	mlx5_notifier_unregister(priv->mdev, &priv->events_nb);
 }
 
 static inline void mlx5e_build_umr_wqe(struct mlx5e_rq *rq,
@@ -5170,7 +5172,6 @@ static struct mlx5_interface mlx5e_interface = {
 	.remove    = mlx5e_remove,
 	.attach    = mlx5e_attach,
 	.detach    = mlx5e_detach,
-	.event     = mlx5e_async_event,
 	.protocol  = MLX5_INTERFACE_PROTOCOL_ETH,
 	.get_dev   = mlx5e_get_netdev,
 };

drivers/net/ethernet/mellanox/mlx5/core/en_stats.c

@@ -30,6 +30,7 @@
  * SOFTWARE.
  */
 
+#include "lib/mlx5.h"
 #include "en.h"
 #include "en_accel/ipsec.h"
 #include "en_accel/tls.h"
@@ -1120,15 +1121,17 @@ static int mlx5e_grp_pme_fill_strings(struct mlx5e_priv *priv, u8 *data,
 static int mlx5e_grp_pme_fill_stats(struct mlx5e_priv *priv, u64 *data,
 				    int idx)
 {
-	struct mlx5_priv *mlx5_priv = &priv->mdev->priv;
+	struct mlx5_pme_stats pme_stats;
 	int i;
 
+	mlx5_get_pme_stats(priv->mdev, &pme_stats);
+
 	for (i = 0; i < NUM_PME_STATUS_STATS; i++)
-		data[idx++] = MLX5E_READ_CTR64_CPU(mlx5_priv->pme_stats.status_counters,
+		data[idx++] = MLX5E_READ_CTR64_CPU(pme_stats.status_counters,
 						   mlx5e_pme_status_desc, i);
 
 	for (i = 0; i < NUM_PME_ERR_STATS; i++)
-		data[idx++] = MLX5E_READ_CTR64_CPU(mlx5_priv->pme_stats.error_counters,
+		data[idx++] = MLX5E_READ_CTR64_CPU(pme_stats.error_counters,
 						   mlx5e_pme_error_desc, i);
 
 	return idx;

drivers/net/ethernet/mellanox/mlx5/core/eswitch.c

@@ -36,6 +36,7 @@
 #include <linux/mlx5/vport.h>
 #include <linux/mlx5/fs.h>
 #include "mlx5_core.h"
+#include "lib/eq.h"
 #include "eswitch.h"
 #include "fs_core.h"
 #include "lib/eq.h"
@@ -1568,7 +1569,6 @@ static void esw_disable_vport(struct mlx5_eswitch *esw, int vport_num)
 	/* Mark this vport as disabled to discard new events */
 	vport->enabled = false;
 
-	mlx5_eq_synchronize_async_irq(esw->dev);
 	/* Wait for current already scheduled events to complete */
 	flush_workqueue(esw->work_queue);
 	/* Disable events from this vport */
@@ -1594,10 +1594,25 @@ static void esw_disable_vport(struct mlx5_eswitch *esw, int vport_num)
 	mutex_unlock(&esw->state_lock);
 }
 
+static int eswitch_vport_event(struct notifier_block *nb,
+			       unsigned long type, void *data)
+{
+	struct mlx5_eswitch *esw = mlx5_nb_cof(nb, struct mlx5_eswitch, nb);
+	struct mlx5_eqe *eqe = data;
+	struct mlx5_vport *vport;
+	u16 vport_num;
+
+	vport_num = be16_to_cpu(eqe->data.vport_change.vport_num);
+	vport = &esw->vports[vport_num];
+	if (vport->enabled)
+		queue_work(esw->work_queue, &vport->vport_change_handler);
+
+	return NOTIFY_OK;
+}
+
 /* Public E-Switch API */
 #define ESW_ALLOWED(esw) ((esw) && MLX5_ESWITCH_MANAGER((esw)->dev))
 
-
 int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode)
 {
 	int err;
@@ -1641,6 +1656,11 @@ int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode)
 	for (i = 0; i <= nvfs; i++)
 		esw_enable_vport(esw, i, enabled_events);
 
+	if (mode == SRIOV_LEGACY) {
+		MLX5_NB_INIT(&esw->nb, eswitch_vport_event, NIC_VPORT_CHANGE);
+		mlx5_eq_notifier_register(esw->dev, &esw->nb);
+	}
+
 	esw_info(esw->dev, "SRIOV enabled: active vports(%d)\n",
 		 esw->enabled_vports);
 	return 0;
@@ -1670,6 +1690,9 @@ void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw)
 	mc_promisc = &esw->mc_promisc;
 	nvports = esw->enabled_vports;
 
+	if (esw->mode == SRIOV_LEGACY)
+		mlx5_eq_notifier_unregister(esw->dev, &esw->nb);
+
 	for (i = 0; i < esw->total_vports; i++)
 		esw_disable_vport(esw, i);
 
@@ -1778,23 +1801,6 @@ void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw)
 	kfree(esw);
 }
 
-void mlx5_eswitch_vport_event(struct mlx5_eswitch *esw, struct mlx5_eqe *eqe)
-{
-	struct mlx5_eqe_vport_change *vc_eqe = &eqe->data.vport_change;
-	u16 vport_num = be16_to_cpu(vc_eqe->vport_num);
-	struct mlx5_vport *vport;
-
-	if (!esw) {
-		pr_warn("MLX5 E-Switch: vport %d got an event while eswitch is not initialized\n",
-			vport_num);
-		return;
-	}
-
-	vport = &esw->vports[vport_num];
-	if (vport->enabled)
-		queue_work(esw->work_queue, &vport->vport_change_handler);
-}
-
 /* Vport Administration */
 #define LEGAL_VPORT(esw, vport) (vport >= 0 && vport < esw->total_vports)
 

drivers/net/ethernet/mellanox/mlx5/core/eswitch.h

@@ -181,6 +181,7 @@ struct esw_mc_addr { /* SRIOV only */
 
 struct mlx5_eswitch {
 	struct mlx5_core_dev    *dev;
+	struct mlx5_nb          nb;
 	struct mlx5_eswitch_fdb fdb_table;
 	struct hlist_head       mc_table[MLX5_L2_ADDR_HASH_SIZE];
 	struct workqueue_struct *work_queue;
@@ -211,7 +212,6 @@ int esw_offloads_init_reps(struct mlx5_eswitch *esw);
 /* E-Switch API */
 int mlx5_eswitch_init(struct mlx5_core_dev *dev);
 void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw);
-void mlx5_eswitch_vport_event(struct mlx5_eswitch *esw, struct mlx5_eqe *eqe);
 int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode);
 void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw);
 int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
@@ -352,7 +352,6 @@ static inline bool mlx5_eswitch_vlan_actions_supported(struct mlx5_core_dev *dev
 /* eswitch API stubs */
 static inline int  mlx5_eswitch_init(struct mlx5_core_dev *dev) { return 0; }
 static inline void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw) {}
-static inline void mlx5_eswitch_vport_event(struct mlx5_eswitch *esw, struct mlx5_eqe *eqe) {}
 static inline int  mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode) { return 0; }
 static inline void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw) {}
 

drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c

@@ -36,6 +36,7 @@
 
 #include "mlx5_core.h"
 #include "lib/mlx5.h"
+#include "lib/eq.h"
 #include "fpga/core.h"
 #include "fpga/conn.h"
 
@@ -145,6 +146,22 @@ static int mlx5_fpga_device_brb(struct mlx5_fpga_device *fdev)
 	return 0;
 }
 
+static int mlx5_fpga_event(struct mlx5_fpga_device *, unsigned long, void *);
+
+static int fpga_err_event(struct notifier_block *nb, unsigned long event, void *eqe)
+{
+	struct mlx5_fpga_device *fdev = mlx5_nb_cof(nb, struct mlx5_fpga_device, fpga_err_nb);
+
+	return mlx5_fpga_event(fdev, event, eqe);
+}
+
+static int fpga_qp_err_event(struct notifier_block *nb, unsigned long event, void *eqe)
+{
+	struct mlx5_fpga_device *fdev = mlx5_nb_cof(nb, struct mlx5_fpga_device, fpga_qp_err_nb);
+
+	return mlx5_fpga_event(fdev, event, eqe);
+}
+
 int mlx5_fpga_device_start(struct mlx5_core_dev *mdev)
 {
 	struct mlx5_fpga_device *fdev = mdev->fpga;
@@ -185,6 +202,11 @@ int mlx5_fpga_device_start(struct mlx5_core_dev *mdev)
 	if (err)
 		goto out;
 
+	MLX5_NB_INIT(&fdev->fpga_err_nb, fpga_err_event, FPGA_ERROR);
+	MLX5_NB_INIT(&fdev->fpga_qp_err_nb, fpga_qp_err_event, FPGA_QP_ERROR);
+	mlx5_eq_notifier_register(fdev->mdev, &fdev->fpga_err_nb);
+	mlx5_eq_notifier_register(fdev->mdev, &fdev->fpga_qp_err_nb);
+
 	err = mlx5_fpga_conn_device_init(fdev);
 	if (err)
 		goto err_rsvd_gid;
@@ -201,6 +223,8 @@ int mlx5_fpga_device_start(struct mlx5_core_dev *mdev)
 	mlx5_fpga_conn_device_cleanup(fdev);
 
 err_rsvd_gid:
+	mlx5_eq_notifier_unregister(fdev->mdev, &fdev->fpga_err_nb);
+	mlx5_eq_notifier_unregister(fdev->mdev, &fdev->fpga_qp_err_nb);
 	mlx5_core_unreserve_gids(mdev, max_num_qps);
 out:
 	spin_lock_irqsave(&fdev->state_lock, flags);
@@ -256,6 +280,9 @@ void mlx5_fpga_device_stop(struct mlx5_core_dev *mdev)
 	}
 
 	mlx5_fpga_conn_device_cleanup(fdev);
+	mlx5_eq_notifier_unregister(fdev->mdev, &fdev->fpga_err_nb);
+	mlx5_eq_notifier_unregister(fdev->mdev, &fdev->fpga_qp_err_nb);
+
 	max_num_qps = MLX5_CAP_FPGA(mdev, shell_caps.max_num_qps);
 	mlx5_core_unreserve_gids(mdev, max_num_qps);
 }
@@ -283,9 +310,10 @@ static const char *mlx5_fpga_qp_syndrome_to_string(u8 syndrome)
 	return "Unknown";
 }
 
-void mlx5_fpga_event(struct mlx5_core_dev *mdev, u8 event, void *data)
+static int mlx5_fpga_event(struct mlx5_fpga_device *fdev,
+			   unsigned long event, void *eqe)
 {
-	struct mlx5_fpga_device *fdev = mdev->fpga;
+	void *data = ((struct mlx5_eqe *)eqe)->data.raw;
 	const char *event_name;
 	bool teardown = false;
 	unsigned long flags;
@@ -303,9 +331,7 @@ void mlx5_fpga_event(struct mlx5_core_dev *mdev, u8 event, void *data)
 		fpga_qpn = MLX5_GET(fpga_qp_error_event, data, fpga_qpn);
 		break;
 	default:
-		mlx5_fpga_warn_ratelimited(fdev, "Unexpected event %u\n",
-					   event);
-		return;
+		return NOTIFY_DONE;
 	}
 
 	spin_lock_irqsave(&fdev->state_lock, flags);
@@ -326,4 +352,6 @@ void mlx5_fpga_event(struct mlx5_core_dev *mdev, u8 event, void *data)
 	 */
 	if (teardown)
 		mlx5_trigger_health_work(fdev->mdev);
+
+	return NOTIFY_OK;
 }

drivers/net/ethernet/mellanox/mlx5/core/fpga/core.h

@@ -35,11 +35,16 @@
 
 #ifdef CONFIG_MLX5_FPGA
 
+#include <linux/mlx5/eq.h>
+
+#include "lib/eq.h"
 #include "fpga/cmd.h"
 
 /* Represents an Innova device */
 struct mlx5_fpga_device {
 	struct mlx5_core_dev *mdev;
+	struct mlx5_nb fpga_err_nb;
+	struct mlx5_nb fpga_qp_err_nb;
 	spinlock_t state_lock; /* Protects state transitions */
 	enum mlx5_fpga_status state;
 	enum mlx5_fpga_image last_admin_image;
@@ -82,7 +87,6 @@ int mlx5_fpga_init(struct mlx5_core_dev *mdev);
 void mlx5_fpga_cleanup(struct mlx5_core_dev *mdev);
 int mlx5_fpga_device_start(struct mlx5_core_dev *mdev);
 void mlx5_fpga_device_stop(struct mlx5_core_dev *mdev);
-void mlx5_fpga_event(struct mlx5_core_dev *mdev, u8 event, void *data);
 
 #else
 
@@ -104,11 +108,6 @@ static inline void mlx5_fpga_device_stop(struct mlx5_core_dev *mdev)
 {
 }
 
-static inline void mlx5_fpga_event(struct mlx5_core_dev *mdev, u8 event,
-				   void *data)
-{
-}
-
 #endif
 
 #endif /* __MLX5_FPGA_CORE_H__ */

drivers/net/ethernet/mellanox/mlx5/core/health.c

@@ -39,6 +39,7 @@
 #include <linux/mlx5/cmd.h>
 #include "mlx5_core.h"
 #include "lib/eq.h"
+#include "lib/mlx5.h"
 
 enum {
 	MLX5_HEALTH_POLL_INTERVAL	= 2 * HZ,
@@ -79,29 +80,6 @@ void mlx5_set_nic_state(struct mlx5_core_dev *dev, u8 state)
 		    &dev->iseg->cmdq_addr_l_sz);
 }
 
-static void trigger_cmd_completions(struct mlx5_core_dev *dev)
-{
-	unsigned long flags;
-	u64 vector;
-
-	/* wait for pending handlers to complete */
-	mlx5_eq_synchronize_cmd_irq(dev);
-	spin_lock_irqsave(&dev->cmd.alloc_lock, flags);
-	vector = ~dev->cmd.bitmask & ((1ul << (1 << dev->cmd.log_sz)) - 1);
-	if (!vector)
-		goto no_trig;
-
-	vector |= MLX5_TRIGGERED_CMD_COMP;
-	spin_unlock_irqrestore(&dev->cmd.alloc_lock, flags);
-
-	mlx5_core_dbg(dev, "vector 0x%llx\n", vector);
-	mlx5_cmd_comp_handler(dev, vector, true);
-	return;
-
-no_trig:
-	spin_unlock_irqrestore(&dev->cmd.alloc_lock, flags);
-}
-
 static int in_fatal(struct mlx5_core_dev *dev)
 {
 	struct mlx5_core_health *health = &dev->priv.health;
@@ -125,10 +103,10 @@ void mlx5_enter_error_state(struct mlx5_core_dev *dev, bool force)
 	mlx5_core_err(dev, "start\n");
 	if (pci_channel_offline(dev->pdev) || in_fatal(dev) || force) {
 		dev->state = MLX5_DEVICE_STATE_INTERNAL_ERROR;
-		trigger_cmd_completions(dev);
+		mlx5_cmd_trigger_completions(dev);
 	}
 
-	mlx5_core_event(dev, MLX5_DEV_EVENT_SYS_ERROR, 1);
+	mlx5_notifier_call_chain(dev->priv.events, MLX5_DEV_EVENT_SYS_ERROR, (void *)1);
 	mlx5_core_err(dev, "end\n");
 
 unlock:

drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c

@@ -33,6 +33,7 @@
 #include <linux/clocksource.h>
 #include <linux/highmem.h>
 #include <rdma/mlx5-abi.h>
+#include "lib/eq.h"
 #include "en.h"
 #include "clock.h"
 
@@ -439,16 +440,17 @@ static void mlx5_get_pps_caps(struct mlx5_core_dev *mdev)
 	clock->pps_info.pin_caps[7] = MLX5_GET(mtpps_reg, out, cap_pin_7_mode);
 }
 
-void mlx5_pps_event(struct mlx5_core_dev *mdev,
-		    struct mlx5_eqe *eqe)
+static int mlx5_pps_event(struct notifier_block *nb,
+			  unsigned long type, void *data)
 {
-	struct mlx5_clock *clock = &mdev->clock;
+	struct mlx5_clock *clock = mlx5_nb_cof(nb, struct mlx5_clock, pps_nb);
+	struct mlx5_core_dev *mdev = clock->mdev;
 	struct ptp_clock_event ptp_event;
-	struct timespec64 ts;
-	u64 nsec_now, nsec_delta;
 	u64 cycles_now, cycles_delta;
+	u64 nsec_now, nsec_delta, ns;
+	struct mlx5_eqe *eqe = data;
 	int pin = eqe->data.pps.pin;
-	s64 ns;
+	struct timespec64 ts;
 	unsigned long flags;
 
 	switch (clock->ptp_info.pin_config[pin].func) {
@@ -463,6 +465,7 @@ void mlx5_pps_event(struct mlx5_core_dev *mdev,
 		} else {
 			ptp_event.type = PTP_CLOCK_EXTTS;
 		}
+		/* TODOL clock->ptp can be NULL if ptp_clock_register failes */
 		ptp_clock_event(clock->ptp, &ptp_event);
 		break;
 	case PTP_PF_PEROUT:
@@ -481,8 +484,11 @@ void mlx5_pps_event(struct mlx5_core_dev *mdev,
 		write_sequnlock_irqrestore(&clock->lock, flags);
 		break;
 	default:
-		mlx5_core_err(mdev, " Unhandled event\n");
+		mlx5_core_err(mdev, " Unhandled clock PPS event, func %d\n",
+			      clock->ptp_info.pin_config[pin].func);
 	}
+
+	return NOTIFY_OK;
 }
 
 void mlx5_init_clock(struct mlx5_core_dev *mdev)
@@ -567,6 +573,9 @@ void mlx5_init_clock(struct mlx5_core_dev *mdev)
 			       PTR_ERR(clock->ptp));
 		clock->ptp = NULL;
 	}
+
+	MLX5_NB_INIT(&clock->pps_nb, mlx5_pps_event, PPS_EVENT);
+	mlx5_eq_notifier_register(mdev, &clock->pps_nb);
 }
 
 void mlx5_cleanup_clock(struct mlx5_core_dev *mdev)
@@ -576,6 +585,7 @@ void mlx5_cleanup_clock(struct mlx5_core_dev *mdev)
 	if (!MLX5_CAP_GEN(mdev, device_frequency_khz))
 		return;
 
+	mlx5_eq_notifier_unregister(mdev, &clock->pps_nb);
 	if (clock->ptp) {
 		ptp_clock_unregister(clock->ptp);
 		clock->ptp = NULL;

drivers/net/ethernet/mellanox/mlx5/core/lib/clock.h

@@ -36,7 +36,6 @@
 #if IS_ENABLED(CONFIG_PTP_1588_CLOCK)
 void mlx5_init_clock(struct mlx5_core_dev *mdev);
 void mlx5_cleanup_clock(struct mlx5_core_dev *mdev);
-void mlx5_pps_event(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
 
 static inline int mlx5_clock_get_ptp_index(struct mlx5_core_dev *mdev)
 {
@@ -60,8 +59,6 @@ static inline ktime_t mlx5_timecounter_cyc2time(struct mlx5_clock *clock,
 #else
 static inline void mlx5_init_clock(struct mlx5_core_dev *mdev) {}
 static inline void mlx5_cleanup_clock(struct mlx5_core_dev *mdev) {}
-static inline void mlx5_pps_event(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe) {}
-
 static inline int mlx5_clock_get_ptp_index(struct mlx5_core_dev *mdev)
 {
 	return -1;

drivers/net/ethernet/mellanox/mlx5/core/lib/eq.h

@@ -4,6 +4,8 @@
 #ifndef __LIB_MLX5_EQ_H__
 #define __LIB_MLX5_EQ_H__
 #include <linux/mlx5/driver.h>
+#include <linux/mlx5/eq.h>
+#include <linux/mlx5/cq.h>
 
 #define MLX5_MAX_IRQ_NAME   (32)
 #define MLX5_EQE_SIZE       (sizeof(struct mlx5_eqe))
@@ -90,4 +92,7 @@ void mlx5_core_eq_free_irqs(struct mlx5_core_dev *dev);
 struct cpu_rmap *mlx5_eq_table_get_rmap(struct mlx5_core_dev *dev);
 #endif
 
+int mlx5_eq_notifier_register(struct mlx5_core_dev *dev, struct mlx5_nb *nb);
+int mlx5_eq_notifier_unregister(struct mlx5_core_dev *dev, struct mlx5_nb *nb);
+
 #endif

drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h

@@ -33,6 +33,8 @@
 #ifndef __LIB_MLX5_H__
 #define __LIB_MLX5_H__
 
+#include "mlx5_core.h"
+
 void mlx5_init_reserved_gids(struct mlx5_core_dev *dev);
 void mlx5_cleanup_reserved_gids(struct mlx5_core_dev *dev);
 int  mlx5_core_reserve_gids(struct mlx5_core_dev *dev, unsigned int count);
@@ -40,4 +42,37 @@ void mlx5_core_unreserve_gids(struct mlx5_core_dev *dev, unsigned int count);
 int  mlx5_core_reserved_gid_alloc(struct mlx5_core_dev *dev, int *gid_index);
 void mlx5_core_reserved_gid_free(struct mlx5_core_dev *dev, int gid_index);
 
+/* TODO move to lib/events.h */
+
+#define PORT_MODULE_EVENT_MODULE_STATUS_MASK 0xF
+#define PORT_MODULE_EVENT_ERROR_TYPE_MASK    0xF
+
+enum port_module_event_status_type {
+	MLX5_MODULE_STATUS_PLUGGED   = 0x1,
+	MLX5_MODULE_STATUS_UNPLUGGED = 0x2,
+	MLX5_MODULE_STATUS_ERROR     = 0x3,
+	MLX5_MODULE_STATUS_NUM       = 0x3,
+};
+
+enum  port_module_event_error_type {
+	MLX5_MODULE_EVENT_ERROR_POWER_BUDGET_EXCEEDED,
+	MLX5_MODULE_EVENT_ERROR_LONG_RANGE_FOR_NON_MLNX_CABLE_MODULE,
+	MLX5_MODULE_EVENT_ERROR_BUS_STUCK,
+	MLX5_MODULE_EVENT_ERROR_NO_EEPROM_RETRY_TIMEOUT,
+	MLX5_MODULE_EVENT_ERROR_ENFORCE_PART_NUMBER_LIST,
+	MLX5_MODULE_EVENT_ERROR_UNKNOWN_IDENTIFIER,
+	MLX5_MODULE_EVENT_ERROR_HIGH_TEMPERATURE,
+	MLX5_MODULE_EVENT_ERROR_BAD_CABLE,
+	MLX5_MODULE_EVENT_ERROR_UNKNOWN,
+	MLX5_MODULE_EVENT_ERROR_NUM,
+};
+
+struct mlx5_pme_stats {
+	u64 status_counters[MLX5_MODULE_STATUS_NUM];
+	u64 error_counters[MLX5_MODULE_EVENT_ERROR_NUM];
+};
+
+void mlx5_get_pme_stats(struct mlx5_core_dev *dev, struct mlx5_pme_stats *stats);
+int mlx5_notifier_call_chain(struct mlx5_events *events, unsigned int event, void *data);
+
 #endif

drivers/net/ethernet/mellanox/mlx5/core/main.c

@@ -43,7 +43,6 @@
 #include <linux/mlx5/driver.h>
 #include <linux/mlx5/cq.h>
 #include <linux/mlx5/qp.h>
-#include <linux/mlx5/srq.h>
 #include <linux/debugfs.h>
 #include <linux/kmod.h>
 #include <linux/mlx5/mlx5_ifc.h>
@@ -735,16 +734,20 @@ static int mlx5_init_once(struct mlx5_core_dev *dev, struct mlx5_priv *priv)
 		goto out;
 	}
 
+	err = mlx5_events_init(dev);
+	if (err) {
+		dev_err(&pdev->dev, "failed to initialize events\n");
+		goto err_eq_cleanup;
+	}
+
 	err = mlx5_cq_debugfs_init(dev);
 	if (err) {
 		dev_err(&pdev->dev, "failed to initialize cq debugfs\n");
-		goto err_eq_cleanup;
+		goto err_events_cleanup;
 	}
 
 	mlx5_init_qp_table(dev);
 
-	mlx5_init_srq_table(dev);
-
 	mlx5_init_mkey_table(dev);
 
 	mlx5_init_reserved_gids(dev);
@@ -798,10 +801,10 @@ static int mlx5_init_once(struct mlx5_core_dev *dev, struct mlx5_priv *priv)
 err_tables_cleanup:
 	mlx5_vxlan_destroy(dev->vxlan);
 	mlx5_cleanup_mkey_table(dev);
-	mlx5_cleanup_srq_table(dev);
 	mlx5_cleanup_qp_table(dev);
 	mlx5_cq_debugfs_cleanup(dev);
-
+err_events_cleanup:
+	mlx5_events_cleanup(dev);
 err_eq_cleanup:
 	mlx5_eq_table_cleanup(dev);
 
@@ -821,9 +824,9 @@ static void mlx5_cleanup_once(struct mlx5_core_dev *dev)
 	mlx5_cleanup_clock(dev);
 	mlx5_cleanup_reserved_gids(dev);
 	mlx5_cleanup_mkey_table(dev);
-	mlx5_cleanup_srq_table(dev);
 	mlx5_cleanup_qp_table(dev);
 	mlx5_cq_debugfs_cleanup(dev);
+	mlx5_events_cleanup(dev);
 	mlx5_eq_table_cleanup(dev);
 }
 
@@ -916,16 +919,10 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv,
 		goto reclaim_boot_pages;
 	}
 
-	err = mlx5_pagealloc_start(dev);
-	if (err) {
-		dev_err(&pdev->dev, "mlx5_pagealloc_start failed\n");
-		goto reclaim_boot_pages;
-	}
-
 	err = mlx5_cmd_init_hca(dev, sw_owner_id);
 	if (err) {
 		dev_err(&pdev->dev, "init hca failed\n");
-		goto err_pagealloc_stop;
+		goto reclaim_boot_pages;
 	}
 
 	mlx5_set_driver_version(dev);
@@ -953,6 +950,9 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv,
 		goto err_get_uars;
 	}
 
+	mlx5_events_start(dev);
+	mlx5_pagealloc_start(dev);
+
 	err = mlx5_eq_table_create(dev);
 	if (err) {
 		dev_err(&pdev->dev, "Failed to create EQs\n");
@@ -1039,6 +1039,8 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv,
 	mlx5_eq_table_destroy(dev);
 
 err_eq_table:
+	mlx5_pagealloc_stop(dev);
+	mlx5_events_stop(dev);
 	mlx5_put_uars_page(dev, priv->uar);
 
 err_get_uars:
@@ -1052,9 +1054,6 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv,
 		goto out_err;
 	}
 
-err_pagealloc_stop:
-	mlx5_pagealloc_stop(dev);
-
 reclaim_boot_pages:
 	mlx5_reclaim_startup_pages(dev);
 
@@ -1100,16 +1099,18 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv,
 	mlx5_fpga_device_stop(dev);
 	mlx5_fw_tracer_cleanup(dev->tracer);
 	mlx5_eq_table_destroy(dev);
+	mlx5_pagealloc_stop(dev);
+	mlx5_events_stop(dev);
 	mlx5_put_uars_page(dev, priv->uar);
 	if (cleanup)
 		mlx5_cleanup_once(dev);
 	mlx5_stop_health_poll(dev, cleanup);
+
 	err = mlx5_cmd_teardown_hca(dev);
 	if (err) {
 		dev_err(&dev->pdev->dev, "tear_down_hca failed, skip cleanup\n");
 		goto out;
 	}
-	mlx5_pagealloc_stop(dev);
 	mlx5_reclaim_startup_pages(dev);
 	mlx5_core_disable_hca(dev, 0);
 	mlx5_cmd_cleanup(dev);
@@ -1119,12 +1120,6 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv,
 	return err;
 }
 
-struct mlx5_core_event_handler {
-	void (*event)(struct mlx5_core_dev *dev,
-		      enum mlx5_dev_event event,
-		      void *data);
-};
-
 static const struct devlink_ops mlx5_devlink_ops = {
 #ifdef CONFIG_MLX5_ESWITCH
 	.eswitch_mode_set = mlx5_devlink_eswitch_mode_set,
@@ -1158,7 +1153,6 @@ static int init_one(struct pci_dev *pdev,
 	pci_set_drvdata(pdev, dev);
 
 	dev->pdev = pdev;
-	dev->event = mlx5_core_event;
 	dev->profile = &profile[prof_sel];
 
 	INIT_LIST_HEAD(&priv->ctx_list);
@@ -1166,9 +1160,6 @@ static int init_one(struct pci_dev *pdev,
 	mutex_init(&dev->pci_status_mutex);
 	mutex_init(&dev->intf_state_mutex);
 
-	INIT_LIST_HEAD(&priv->waiting_events_list);
-	priv->is_accum_events = false;
-
 	mutex_init(&priv->bfregs.reg_head.lock);
 	mutex_init(&priv->bfregs.wc_head.lock);
 	INIT_LIST_HEAD(&priv->bfregs.reg_head.list);
@@ -1186,12 +1177,14 @@ static int init_one(struct pci_dev *pdev,
 		goto close_pci;
 	}
 
-	mlx5_pagealloc_init(dev);
+	err = mlx5_pagealloc_init(dev);
+	if (err)
+		goto err_pagealloc_init;
 
 	err = mlx5_load_one(dev, priv, true);
 	if (err) {
 		dev_err(&pdev->dev, "mlx5_load_one failed with error code %d\n", err);
-		goto clean_health;
+		goto err_load_one;
 	}
 
 	request_module_nowait(MLX5_IB_MOD);
@@ -1205,8 +1198,9 @@ static int init_one(struct pci_dev *pdev,
 
 clean_load:
 	mlx5_unload_one(dev, priv, true);
-clean_health:
+err_load_one:
 	mlx5_pagealloc_cleanup(dev);
+err_pagealloc_init:
 	mlx5_health_cleanup(dev);
 close_pci:
 	mlx5_pci_close(dev, priv);

drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h

@@ -78,6 +78,11 @@ do {									\
 		 __func__, __LINE__, current->pid,			\
 		##__VA_ARGS__)
 
+#define mlx5_core_warn_once(__dev, format, ...)				\
+	dev_warn_once(&(__dev)->pdev->dev, "%s:%d:(pid %d): " format,	\
+		      __func__, __LINE__, current->pid,			\
+		      ##__VA_ARGS__)
+
 #define mlx5_core_info(__dev, format, ...)				\
 	dev_info(&(__dev)->pdev->dev, format, ##__VA_ARGS__)
 
@@ -97,10 +102,6 @@ int mlx5_cmd_init_hca(struct mlx5_core_dev *dev, uint32_t *sw_owner_id);
 int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev);
 int mlx5_cmd_force_teardown_hca(struct mlx5_core_dev *dev);
 int mlx5_cmd_fast_teardown_hca(struct mlx5_core_dev *dev);
-
-void mlx5_core_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event,
-		     unsigned long param);
-void mlx5_port_module_event(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
 void mlx5_enter_error_state(struct mlx5_core_dev *dev, bool force);
 void mlx5_disable_device(struct mlx5_core_dev *dev);
 void mlx5_recover_device(struct mlx5_core_dev *dev);
@@ -122,7 +123,7 @@ int mlx5_destroy_scheduling_element_cmd(struct mlx5_core_dev *dev, u8 hierarchy,
 int mlx5_wait_for_vf_pages(struct mlx5_core_dev *dev);
 u64 mlx5_read_internal_timer(struct mlx5_core_dev *dev);
 
-void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool forced);
+void mlx5_cmd_trigger_completions(struct mlx5_core_dev *dev);
 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
 
@@ -136,6 +137,11 @@ int mlx5_query_qcam_reg(struct mlx5_core_dev *mdev, u32 *qcam,
 void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev);
 void mlx5_lag_remove(struct mlx5_core_dev *dev);
 
+int mlx5_events_init(struct mlx5_core_dev *dev);
+void mlx5_events_cleanup(struct mlx5_core_dev *dev);
+void mlx5_events_start(struct mlx5_core_dev *dev);
+void mlx5_events_stop(struct mlx5_core_dev *dev);
+
 void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv);
 void mlx5_remove_device(struct mlx5_interface *intf, struct mlx5_priv *priv);
 void mlx5_attach_device(struct mlx5_core_dev *dev);

drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c

@@ -37,6 +37,7 @@
 #include <linux/mlx5/driver.h>
 #include <linux/mlx5/cmd.h>
 #include "mlx5_core.h"
+#include "lib/eq.h"
 
 enum {
 	MLX5_PAGES_CANT_GIVE	= 0,
@@ -433,15 +434,28 @@ static void pages_work_handler(struct work_struct *work)
 	kfree(req);
 }
 
-void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
-				 s32 npages)
+static int req_pages_handler(struct notifier_block *nb,
+			     unsigned long type, void *data)
 {
 	struct mlx5_pages_req *req;
+	struct mlx5_core_dev *dev;
+	struct mlx5_priv *priv;
+	struct mlx5_eqe *eqe;
+	u16 func_id;
+	s32 npages;
 
+	priv = mlx5_nb_cof(nb, struct mlx5_priv, pg_nb);
+	dev  = container_of(priv, struct mlx5_core_dev, priv);
+	eqe  = data;
+
+	func_id = be16_to_cpu(eqe->data.req_pages.func_id);
+	npages  = be32_to_cpu(eqe->data.req_pages.num_pages);
+	mlx5_core_dbg(dev, "page request for func 0x%x, npages %d\n",
+		      func_id, npages);
 	req = kzalloc(sizeof(*req), GFP_ATOMIC);
 	if (!req) {
 		mlx5_core_warn(dev, "failed to allocate pages request\n");
-		return;
+		return NOTIFY_DONE;
 	}
 
 	req->dev = dev;
@@ -449,6 +463,7 @@ void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
 	req->npages = npages;
 	INIT_WORK(&req->work, pages_work_handler);
 	queue_work(dev->priv.pg_wq, &req->work);
+	return NOTIFY_OK;
 }
 
 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot)
@@ -524,29 +539,32 @@ int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev)
 	return 0;
 }
 
-void mlx5_pagealloc_init(struct mlx5_core_dev *dev)
+int mlx5_pagealloc_init(struct mlx5_core_dev *dev)
 {
 	dev->priv.page_root = RB_ROOT;
 	INIT_LIST_HEAD(&dev->priv.free_list);
+	dev->priv.pg_wq = create_singlethread_workqueue("mlx5_page_allocator");
+	if (!dev->priv.pg_wq)
+		return -ENOMEM;
+
+	return 0;
 }
 
 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev)
 {
-	/* nothing */
+	destroy_workqueue(dev->priv.pg_wq);
 }
 
-int mlx5_pagealloc_start(struct mlx5_core_dev *dev)
+void mlx5_pagealloc_start(struct mlx5_core_dev *dev)
 {
-	dev->priv.pg_wq = create_singlethread_workqueue("mlx5_page_allocator");
-	if (!dev->priv.pg_wq)
-		return -ENOMEM;
-
-	return 0;
+	MLX5_NB_INIT(&dev->priv.pg_nb, req_pages_handler, PAGE_REQUEST);
+	mlx5_eq_notifier_register(dev, &dev->priv.pg_nb);
 }
 
 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev)
 {
-	destroy_workqueue(dev->priv.pg_wq);
+	mlx5_eq_notifier_unregister(dev, &dev->priv.pg_nb);
+	flush_workqueue(dev->priv.pg_wq);
 }
 
 int mlx5_wait_for_vf_pages(struct mlx5_core_dev *dev)

drivers/net/ethernet/mellanox/mlx5/core/port.c

@@ -915,63 +915,6 @@ void mlx5_query_port_fcs(struct mlx5_core_dev *mdev, bool *supported,
 	*enabled = !!(MLX5_GET(pcmr_reg, out, fcs_chk));
 }
 
-static const char *mlx5_pme_status[MLX5_MODULE_STATUS_NUM] = {
-	"Cable plugged",   /* MLX5_MODULE_STATUS_PLUGGED    = 0x1 */
-	"Cable unplugged", /* MLX5_MODULE_STATUS_UNPLUGGED  = 0x2 */
-	"Cable error",     /* MLX5_MODULE_STATUS_ERROR      = 0x3 */
-};
-
-static const char *mlx5_pme_error[MLX5_MODULE_EVENT_ERROR_NUM] = {
-	"Power budget exceeded",
-	"Long Range for non MLNX cable",
-	"Bus stuck(I2C or data shorted)",
-	"No EEPROM/retry timeout",
-	"Enforce part number list",
-	"Unknown identifier",
-	"High Temperature",
-	"Bad or shorted cable/module",
-	"Unknown status",
-};
-
-void mlx5_port_module_event(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe)
-{
-	enum port_module_event_status_type module_status;
-	enum port_module_event_error_type error_type;
-	struct mlx5_eqe_port_module *module_event_eqe;
-	struct mlx5_priv *priv = &dev->priv;
-	u8 module_num;
-
-	module_event_eqe = &eqe->data.port_module;
-	module_num = module_event_eqe->module;
-	module_status = module_event_eqe->module_status &
-			PORT_MODULE_EVENT_MODULE_STATUS_MASK;
-	error_type = module_event_eqe->error_type &
-		     PORT_MODULE_EVENT_ERROR_TYPE_MASK;
-
-	if (module_status < MLX5_MODULE_STATUS_ERROR) {
-		priv->pme_stats.status_counters[module_status - 1]++;
-	} else if (module_status == MLX5_MODULE_STATUS_ERROR) {
-		if (error_type >= MLX5_MODULE_EVENT_ERROR_UNKNOWN)
-			/* Unknown error type */
-			error_type = MLX5_MODULE_EVENT_ERROR_UNKNOWN;
-		priv->pme_stats.error_counters[error_type]++;
-	}
-
-	if (!printk_ratelimit())
-		return;
-
-	if (module_status < MLX5_MODULE_STATUS_ERROR)
-		mlx5_core_info(dev,
-			       "Port module event: module %u, %s\n",
-			       module_num, mlx5_pme_status[module_status - 1]);
-
-	else if (module_status == MLX5_MODULE_STATUS_ERROR)
-		mlx5_core_info(dev,
-			       "Port module event[error]: module %u, %s, %s\n",
-			       module_num, mlx5_pme_status[module_status - 1],
-			       mlx5_pme_error[error_type]);
-}
-
 int mlx5_query_mtpps(struct mlx5_core_dev *mdev, u32 *mtpps, u32 mtpps_size)
 {
 	u32 in[MLX5_ST_SZ_DW(mtpps_reg)] = {0};

drivers/net/ethernet/mellanox/mlx5/core/qp.c

@@ -38,11 +38,11 @@
 #include <linux/mlx5/transobj.h>
 
 #include "mlx5_core.h"
+#include "lib/eq.h"
 
-static struct mlx5_core_rsc_common *mlx5_get_rsc(struct mlx5_core_dev *dev,
-						 u32 rsn)
+static struct mlx5_core_rsc_common *
+mlx5_get_rsc(struct mlx5_qp_table *table, u32 rsn)
 {
-	struct mlx5_qp_table *table = &dev->priv.qp_table;
 	struct mlx5_core_rsc_common *common;
 
 	spin_lock(&table->lock);
@@ -53,11 +53,6 @@ static struct mlx5_core_rsc_common *mlx5_get_rsc(struct mlx5_core_dev *dev,
 
 	spin_unlock(&table->lock);
 
-	if (!common) {
-		mlx5_core_warn(dev, "Async event for bogus resource 0x%x\n",
-			       rsn);
-		return NULL;
-	}
 	return common;
 }
 
@@ -120,14 +115,52 @@ static bool is_event_type_allowed(int rsc_type, int event_type)
 	}
 }
 
-void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type)
+static int rsc_event_notifier(struct notifier_block *nb,
+			      unsigned long type, void *data)
 {
-	struct mlx5_core_rsc_common *common = mlx5_get_rsc(dev, rsn);
+	struct mlx5_core_rsc_common *common;
+	struct mlx5_qp_table *table;
+	struct mlx5_core_dev *dev;
 	struct mlx5_core_dct *dct;
+	u8 event_type = (u8)type;
 	struct mlx5_core_qp *qp;
+	struct mlx5_priv *priv;
+	struct mlx5_eqe *eqe;
+	u32 rsn;
+
+	switch (event_type) {
+	case MLX5_EVENT_TYPE_DCT_DRAINED:
+		eqe = data;
+		rsn = be32_to_cpu(eqe->data.dct.dctn) & 0xffffff;
+		rsn |= (MLX5_RES_DCT << MLX5_USER_INDEX_LEN);
+		break;
+	case MLX5_EVENT_TYPE_PATH_MIG:
+	case MLX5_EVENT_TYPE_COMM_EST:
+	case MLX5_EVENT_TYPE_SQ_DRAINED:
+	case MLX5_EVENT_TYPE_SRQ_LAST_WQE:
+	case MLX5_EVENT_TYPE_WQ_CATAS_ERROR:
+	case MLX5_EVENT_TYPE_PATH_MIG_FAILED:
+	case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR:
+	case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR:
+		eqe = data;
+		rsn = be32_to_cpu(eqe->data.qp_srq.qp_srq_n) & 0xffffff;
+		rsn |= (eqe->data.qp_srq.type << MLX5_USER_INDEX_LEN);
+		break;
+	default:
+		return NOTIFY_DONE;
+	}
+
+	table = container_of(nb, struct mlx5_qp_table, nb);
+	priv  = container_of(table, struct mlx5_priv, qp_table);
+	dev   = container_of(priv, struct mlx5_core_dev, priv);
 
-	if (!common)
-		return;
+	mlx5_core_dbg(dev, "event (%d) arrived on resource 0x%x\n", eqe->type, rsn);
+
+	common = mlx5_get_rsc(table, rsn);
+	if (!common) {
+		mlx5_core_warn(dev, "Async event for bogus resource 0x%x\n", rsn);
+		return NOTIFY_OK;
+	}
 
 	if (!is_event_type_allowed((rsn >> MLX5_USER_INDEX_LEN), event_type)) {
 		mlx5_core_warn(dev, "event 0x%.2x is not allowed on resource 0x%.8x\n",
@@ -152,6 +185,8 @@ void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type)
 	}
 out:
 	mlx5_core_put_rsc(common);
+
+	return NOTIFY_OK;
 }
 
 static int create_resource_common(struct mlx5_core_dev *dev,
@@ -487,10 +522,16 @@ void mlx5_init_qp_table(struct mlx5_core_dev *dev)
 	spin_lock_init(&table->lock);
 	INIT_RADIX_TREE(&table->tree, GFP_ATOMIC);
 	mlx5_qp_debugfs_init(dev);
+
+	table->nb.notifier_call = rsc_event_notifier;
+	mlx5_notifier_register(dev, &table->nb);
 }
 
 void mlx5_cleanup_qp_table(struct mlx5_core_dev *dev)
 {
+	struct mlx5_qp_table *table = &dev->priv.qp_table;
+
+	mlx5_notifier_unregister(dev, &table->nb);
 	mlx5_qp_debugfs_cleanup(dev);
 }
 
@@ -676,8 +717,9 @@ struct mlx5_core_rsc_common *mlx5_core_res_hold(struct mlx5_core_dev *dev,
 						enum mlx5_res_type res_type)
 {
 	u32 rsn = res_num | (res_type << MLX5_USER_INDEX_LEN);
+	struct mlx5_qp_table *table = &dev->priv.qp_table;
 
-	return mlx5_get_rsc(dev, rsn);
+	return mlx5_get_rsc(table, rsn);
 }
 EXPORT_SYMBOL_GPL(mlx5_core_res_hold);
 

drivers/net/ethernet/mellanox/mlx5/core/transobj.c

@@ -258,115 +258,6 @@ void mlx5_core_destroy_tis(struct mlx5_core_dev *dev, u32 tisn)
 }
 EXPORT_SYMBOL(mlx5_core_destroy_tis);
 
-int mlx5_core_create_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen,
-			 u32 *rmpn)
-{
-	u32 out[MLX5_ST_SZ_DW(create_rmp_out)] = {0};
-	int err;
-
-	MLX5_SET(create_rmp_in, in, opcode, MLX5_CMD_OP_CREATE_RMP);
-	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
-	if (!err)
-		*rmpn = MLX5_GET(create_rmp_out, out, rmpn);
-
-	return err;
-}
-
-int mlx5_core_modify_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen)
-{
-	u32 out[MLX5_ST_SZ_DW(modify_rmp_out)] = {0};
-
-	MLX5_SET(modify_rmp_in, in, opcode, MLX5_CMD_OP_MODIFY_RMP);
-	return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
-}
-
-int mlx5_core_destroy_rmp(struct mlx5_core_dev *dev, u32 rmpn)
-{
-	u32 in[MLX5_ST_SZ_DW(destroy_rmp_in)]   = {0};
-	u32 out[MLX5_ST_SZ_DW(destroy_rmp_out)] = {0};
-
-	MLX5_SET(destroy_rmp_in, in, opcode, MLX5_CMD_OP_DESTROY_RMP);
-	MLX5_SET(destroy_rmp_in, in, rmpn, rmpn);
-	return mlx5_cmd_exec(dev, in, sizeof(in), out,
-					  sizeof(out));
-}
-
-int mlx5_core_query_rmp(struct mlx5_core_dev *dev, u32 rmpn, u32 *out)
-{
-	u32 in[MLX5_ST_SZ_DW(query_rmp_in)] = {0};
-	int outlen = MLX5_ST_SZ_BYTES(query_rmp_out);
-
-	MLX5_SET(query_rmp_in, in, opcode, MLX5_CMD_OP_QUERY_RMP);
-	MLX5_SET(query_rmp_in, in, rmpn,   rmpn);
-	return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
-}
-
-int mlx5_core_arm_rmp(struct mlx5_core_dev *dev, u32 rmpn, u16 lwm)
-{
-	void *in;
-	void *rmpc;
-	void *wq;
-	void *bitmask;
-	int  err;
-
-	in = kvzalloc(MLX5_ST_SZ_BYTES(modify_rmp_in), GFP_KERNEL);
-	if (!in)
-		return -ENOMEM;
-
-	rmpc    = MLX5_ADDR_OF(modify_rmp_in,   in,   ctx);
-	bitmask = MLX5_ADDR_OF(modify_rmp_in,   in,   bitmask);
-	wq      = MLX5_ADDR_OF(rmpc,	        rmpc, wq);
-
-	MLX5_SET(modify_rmp_in, in,	 rmp_state, MLX5_RMPC_STATE_RDY);
-	MLX5_SET(modify_rmp_in, in,	 rmpn,      rmpn);
-	MLX5_SET(wq,		wq,	 lwm,	    lwm);
-	MLX5_SET(rmp_bitmask,	bitmask, lwm,	    1);
-	MLX5_SET(rmpc,		rmpc,	 state,	    MLX5_RMPC_STATE_RDY);
-
-	err =  mlx5_core_modify_rmp(dev, in, MLX5_ST_SZ_BYTES(modify_rmp_in));
-
-	kvfree(in);
-
-	return err;
-}
-
-int mlx5_core_create_xsrq(struct mlx5_core_dev *dev, u32 *in, int inlen,
-			  u32 *xsrqn)
-{
-	u32 out[MLX5_ST_SZ_DW(create_xrc_srq_out)] = {0};
-	int err;
-
-	MLX5_SET(create_xrc_srq_in, in, opcode,     MLX5_CMD_OP_CREATE_XRC_SRQ);
-	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
-	if (!err)
-		*xsrqn = MLX5_GET(create_xrc_srq_out, out, xrc_srqn);
-
-	return err;
-}
-
-int mlx5_core_destroy_xsrq(struct mlx5_core_dev *dev, u32 xsrqn)
-{
-	u32 in[MLX5_ST_SZ_DW(destroy_xrc_srq_in)]   = {0};
-	u32 out[MLX5_ST_SZ_DW(destroy_xrc_srq_out)] = {0};
-
-	MLX5_SET(destroy_xrc_srq_in, in, opcode,   MLX5_CMD_OP_DESTROY_XRC_SRQ);
-	MLX5_SET(destroy_xrc_srq_in, in, xrc_srqn, xsrqn);
-	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
-}
-
-int mlx5_core_arm_xsrq(struct mlx5_core_dev *dev, u32 xsrqn, u16 lwm)
-{
-	u32 in[MLX5_ST_SZ_DW(arm_xrc_srq_in)]   = {0};
-	u32 out[MLX5_ST_SZ_DW(arm_xrc_srq_out)] = {0};
-
-	MLX5_SET(arm_xrc_srq_in, in, opcode,   MLX5_CMD_OP_ARM_XRC_SRQ);
-	MLX5_SET(arm_xrc_srq_in, in, xrc_srqn, xsrqn);
-	MLX5_SET(arm_xrc_srq_in, in, lwm,      lwm);
-	MLX5_SET(arm_xrc_srq_in, in, op_mod,
-		 MLX5_ARM_XRC_SRQ_IN_OP_MOD_XRC_SRQ);
-	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
-}
-
 int mlx5_core_create_rqt(struct mlx5_core_dev *dev, u32 *in, int inlen,
 			 u32 *rqtn)
 {

include/linux/mlx5/device.h

@@ -301,9 +301,15 @@ enum {
 	MLX5_EVENT_QUEUE_TYPE_DCT = 6,
 };
 
+/* mlx5 components can subscribe to any one of these events via
+ * mlx5_eq_notifier_register API.
+ */
 enum mlx5_event {
+	/* Special value to subscribe to any event */
+	MLX5_EVENT_TYPE_NOTIFY_ANY	   = 0x0,
+	/* HW events enum start: comp events are not subscribable */
 	MLX5_EVENT_TYPE_COMP		   = 0x0,
-
+	/* HW Async events enum start: subscribable events */
 	MLX5_EVENT_TYPE_PATH_MIG	   = 0x01,
 	MLX5_EVENT_TYPE_COMM_EST	   = 0x02,
 	MLX5_EVENT_TYPE_SQ_DRAINED	   = 0x03,
@@ -341,6 +347,8 @@ enum mlx5_event {
 	MLX5_EVENT_TYPE_FPGA_QP_ERROR      = 0x21,
 
 	MLX5_EVENT_TYPE_DEVICE_TRACER      = 0x26,
+
+	MLX5_EVENT_TYPE_MAX                = MLX5_EVENT_TYPE_DEVICE_TRACER + 1,
 };
 
 enum {

include/linux/mlx5/driver.h

@@ -46,10 +46,11 @@
 #include <linux/mempool.h>
 #include <linux/interrupt.h>
 #include <linux/idr.h>
+#include <linux/notifier.h>
 
 #include <linux/mlx5/device.h>
 #include <linux/mlx5/doorbell.h>
-#include <linux/mlx5/srq.h>
+#include <linux/mlx5/eq.h>
 #include <linux/timecounter.h>
 #include <linux/ptp_clock_kernel.h>
 
@@ -193,16 +194,7 @@ struct mlx5_rsc_debug {
 };
 
 enum mlx5_dev_event {
-	MLX5_DEV_EVENT_SYS_ERROR,
-	MLX5_DEV_EVENT_PORT_UP,
-	MLX5_DEV_EVENT_PORT_DOWN,
-	MLX5_DEV_EVENT_PORT_INITIALIZED,
-	MLX5_DEV_EVENT_LID_CHANGE,
-	MLX5_DEV_EVENT_PKEY_CHANGE,
-	MLX5_DEV_EVENT_GUID_CHANGE,
-	MLX5_DEV_EVENT_CLIENT_REREG,
-	MLX5_DEV_EVENT_PPS,
-	MLX5_DEV_EVENT_DELAY_DROP_TIMEOUT,
+	MLX5_DEV_EVENT_SYS_ERROR = 128, /* 0 - 127 are FW events */
 };
 
 enum mlx5_port_status {
@@ -277,6 +269,8 @@ struct mlx5_cmd_stats {
 };
 
 struct mlx5_cmd {
+	struct mlx5_nb    nb;
+
 	void	       *cmd_alloc_buf;
 	dma_addr_t	alloc_dma;
 	int		alloc_size;
@@ -398,20 +392,6 @@ struct mlx5_core_rsc_common {
 	struct completion	free;
 };
 
-struct mlx5_core_srq {
-	struct mlx5_core_rsc_common	common; /* must be first */
-	u32		srqn;
-	int		max;
-	size_t		max_gs;
-	size_t		max_avail_gather;
-	int		wqe_shift;
-	void (*event)	(struct mlx5_core_srq *, enum mlx5_event);
-
-	atomic_t		refcount;
-	struct completion	free;
-	u16		uid;
-};
-
 struct mlx5_uars_page {
 	void __iomem	       *map;
 	bool			wc;
@@ -461,13 +441,8 @@ struct mlx5_core_health {
 };
 
 struct mlx5_qp_table {
-	/* protect radix tree
-	 */
-	spinlock_t		lock;
-	struct radix_tree_root	tree;
-};
+	struct notifier_block   nb;
 
-struct mlx5_srq_table {
 	/* protect radix tree
 	 */
 	spinlock_t		lock;
@@ -507,6 +482,7 @@ struct mlx5_fc_stats {
 	unsigned long sampling_interval; /* jiffies */
 };
 
+struct mlx5_events;
 struct mlx5_mpfs;
 struct mlx5_eswitch;
 struct mlx5_lag;
@@ -533,36 +509,12 @@ struct mlx5_rl_table {
 	struct mlx5_rl_entry   *rl_entry;
 };
 
-enum port_module_event_status_type {
-	MLX5_MODULE_STATUS_PLUGGED   = 0x1,
-	MLX5_MODULE_STATUS_UNPLUGGED = 0x2,
-	MLX5_MODULE_STATUS_ERROR     = 0x3,
-	MLX5_MODULE_STATUS_NUM       = 0x3,
-};
-
-enum  port_module_event_error_type {
-	MLX5_MODULE_EVENT_ERROR_POWER_BUDGET_EXCEEDED,
-	MLX5_MODULE_EVENT_ERROR_LONG_RANGE_FOR_NON_MLNX_CABLE_MODULE,
-	MLX5_MODULE_EVENT_ERROR_BUS_STUCK,
-	MLX5_MODULE_EVENT_ERROR_NO_EEPROM_RETRY_TIMEOUT,
-	MLX5_MODULE_EVENT_ERROR_ENFORCE_PART_NUMBER_LIST,
-	MLX5_MODULE_EVENT_ERROR_UNKNOWN_IDENTIFIER,
-	MLX5_MODULE_EVENT_ERROR_HIGH_TEMPERATURE,
-	MLX5_MODULE_EVENT_ERROR_BAD_CABLE,
-	MLX5_MODULE_EVENT_ERROR_UNKNOWN,
-	MLX5_MODULE_EVENT_ERROR_NUM,
-};
-
-struct mlx5_port_module_event_stats {
-	u64 status_counters[MLX5_MODULE_STATUS_NUM];
-	u64 error_counters[MLX5_MODULE_EVENT_ERROR_NUM];
-};
-
 struct mlx5_priv {
 	char			name[MLX5_MAX_NAME_LEN];
 	struct mlx5_eq_table	*eq_table;
 
 	/* pages stuff */
+	struct mlx5_nb          pg_nb;
 	struct workqueue_struct *pg_wq;
 	struct rb_root		page_root;
 	int			fw_pages;
@@ -572,8 +524,6 @@ struct mlx5_priv {
 
 	struct mlx5_core_health health;
 
-	struct mlx5_srq_table	srq_table;
-
 	/* start: qp staff */
 	struct mlx5_qp_table	qp_table;
 	struct dentry	       *qp_debugfs;
@@ -603,9 +553,7 @@ struct mlx5_priv {
 	struct list_head        dev_list;
 	struct list_head        ctx_list;
 	spinlock_t              ctx_lock;
-
-	struct list_head	waiting_events_list;
-	bool			is_accum_events;
+	struct mlx5_events      *events;
 
 	struct mlx5_flow_steering *steering;
 	struct mlx5_mpfs        *mpfs;
@@ -616,8 +564,6 @@ struct mlx5_priv {
 	struct mlx5_fc_stats		fc_stats;
 	struct mlx5_rl_table            rl_table;
 
-	struct mlx5_port_module_event_stats  pme_stats;
-
 	struct mlx5_bfreg_data		bfregs;
 	struct mlx5_uars_page	       *uar;
 };
@@ -671,6 +617,8 @@ struct mlx5_pps {
 };
 
 struct mlx5_clock {
+	struct mlx5_core_dev      *mdev;
+	struct mlx5_nb             pps_nb;
 	seqlock_t                  lock;
 	struct cyclecounter        cycles;
 	struct timecounter         tc;
@@ -678,7 +626,6 @@ struct mlx5_clock {
 	u32                        nominal_c_mult;
 	unsigned long              overflow_period;
 	struct delayed_work        overflow_work;
-	struct mlx5_core_dev      *mdev;
 	struct ptp_clock          *ptp;
 	struct ptp_clock_info      ptp_info;
 	struct mlx5_pps            pps_info;
@@ -711,9 +658,6 @@ struct mlx5_core_dev {
 	/* sync interface state */
 	struct mutex		intf_state_mutex;
 	unsigned long		intf_state;
-	void			(*event) (struct mlx5_core_dev *dev,
-					  enum mlx5_dev_event event,
-					  unsigned long param);
 	struct mlx5_priv	priv;
 	struct mlx5_profile	*profile;
 	atomic_t		num_qps;
@@ -935,13 +879,6 @@ struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
 						      gfp_t flags, int npages);
 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
 				 struct mlx5_cmd_mailbox *head);
-int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
-			 struct mlx5_srq_attr *in);
-int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
-int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
-			struct mlx5_srq_attr *out);
-int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
-		      u16 lwm, int is_srq);
 void mlx5_init_mkey_table(struct mlx5_core_dev *dev);
 void mlx5_cleanup_mkey_table(struct mlx5_core_dev *dev);
 int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
@@ -960,9 +897,9 @@ int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
 		      u16 opmod, u8 port);
-void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
+int mlx5_pagealloc_init(struct mlx5_core_dev *dev);
 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
-int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
+void mlx5_pagealloc_start(struct mlx5_core_dev *dev);
 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
 				 s32 npages);
@@ -973,9 +910,6 @@ void mlx5_unregister_debugfs(void);
 
 void mlx5_fill_page_array(struct mlx5_frag_buf *buf, __be64 *pas);
 void mlx5_fill_page_frag_array(struct mlx5_frag_buf *frag_buf, __be64 *pas);
-void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
-void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
-struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn,
 		    unsigned int *irqn);
 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
@@ -1070,8 +1004,6 @@ struct mlx5_interface {
 	void			(*remove)(struct mlx5_core_dev *dev, void *context);
 	int			(*attach)(struct mlx5_core_dev *dev, void *context);
 	void			(*detach)(struct mlx5_core_dev *dev, void *context);
-	void			(*event)(struct mlx5_core_dev *dev, void *context,
-					 enum mlx5_dev_event event, unsigned long param);
 	void *                  (*get_dev)(void *context);
 	int			protocol;
 	struct list_head	list;
@@ -1080,6 +1012,9 @@ struct mlx5_interface {
 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
 int mlx5_register_interface(struct mlx5_interface *intf);
 void mlx5_unregister_interface(struct mlx5_interface *intf);
+int mlx5_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb);
+int mlx5_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb);
+
 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
 
 int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev);

include/linux/mlx5/eq.h

@@ -4,8 +4,6 @@
 #ifndef MLX5_CORE_EQ_H
 #define MLX5_CORE_EQ_H
 
-#include <linux/mlx5/driver.h>
-
 enum {
 	MLX5_EQ_PAGEREQ_IDX        = 0,
 	MLX5_EQ_CMD_IDX            = 1,
@@ -22,6 +20,7 @@ enum {
 #define MLX5_NUM_SPARE_EQE (0x80)
 
 struct mlx5_eq;
+struct mlx5_core_dev;
 
 struct mlx5_eq_param {
 	u8             index;
@@ -57,4 +56,17 @@ static inline u32 mlx5_eq_update_cc(struct mlx5_eq *eq, u32 cc)
 	return cc;
 }
 
+struct mlx5_nb {
+	struct notifier_block nb;
+	u8 event_type;
+};
+
+#define mlx5_nb_cof(ptr, type, member) \
+	(container_of(container_of(ptr, struct mlx5_nb, nb), type, member))
+
+#define MLX5_NB_INIT(name, handler, event) do {              \
+	(name)->nb.notifier_call = handler;                  \
+	(name)->event_type = MLX5_EVENT_TYPE_##event;        \
+} while (0)
+
 #endif /* MLX5_CORE_EQ_H */

include/linux/mlx5/mlx5_ifc.h

@@ -883,6 +883,10 @@ enum {
 	MLX5_CAP_UMR_FENCE_NONE		= 0x2,
 };
 
+enum {
+	MLX5_UCTX_CAP_RAW_TX = 1UL << 0,
+};
+
 struct mlx5_ifc_cmd_hca_cap_bits {
 	u8         reserved_at_0[0x30];
 	u8         vhca_id[0x10];
@@ -1193,7 +1197,13 @@ struct mlx5_ifc_cmd_hca_cap_bits {
 	u8	   num_vhca_ports[0x8];
 	u8	   reserved_at_618[0x6];
 	u8	   sw_owner_id[0x1];
-	u8	   reserved_at_61f[0x1e1];
+	u8         reserved_at_61f[0x1];
+
+	u8         reserved_at_620[0x80];
+
+	u8         uctx_cap[0x20];
+
+	u8	   reserved_at_6c0[0x140];
 };
 
 enum mlx5_flow_destination_type {
@@ -9276,7 +9286,9 @@ struct mlx5_ifc_umem_bits {
 struct mlx5_ifc_uctx_bits {
 	u8         modify_field_select[0x40];
 
-	u8         reserved_at_40[0x1c0];
+	u8         cap[0x20];
+
+	u8         reserved_at_60[0x1a0];
 };
 
 struct mlx5_ifc_create_umem_in_bits {

include/linux/mlx5/port.h

@@ -107,9 +107,6 @@ enum mlx5e_connector_type {
 
 #define MLX5E_PROT_MASK(link_mode) (1 << link_mode)
 
-#define PORT_MODULE_EVENT_MODULE_STATUS_MASK 0xF
-#define PORT_MODULE_EVENT_ERROR_TYPE_MASK         0xF
-
 int mlx5_set_port_caps(struct mlx5_core_dev *dev, u8 port_num, u32 caps);
 int mlx5_query_port_ptys(struct mlx5_core_dev *dev, u32 *ptys,
 			 int ptys_size, int proto_mask, u8 local_port);

include/linux/mlx5/srq.h

-/*
- * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses.  You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- *     Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *      - Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *
- *      - Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#ifndef MLX5_SRQ_H
-#define MLX5_SRQ_H
-
-#include <linux/mlx5/driver.h>
-
-enum {
-	MLX5_SRQ_FLAG_ERR    = (1 << 0),
-	MLX5_SRQ_FLAG_WQ_SIG = (1 << 1),
-	MLX5_SRQ_FLAG_RNDV   = (1 << 2),
-};
-
-struct mlx5_srq_attr {
-	u32 type;
-	u32 flags;
-	u32 log_size;
-	u32 wqe_shift;
-	u32 log_page_size;
-	u32 wqe_cnt;
-	u32 srqn;
-	u32 xrcd;
-	u32 page_offset;
-	u32 cqn;
-	u32 pd;
-	u32 lwm;
-	u32 user_index;
-	u64 db_record;
-	__be64 *pas;
-	u32 tm_log_list_size;
-	u32 tm_next_tag;
-	u32 tm_hw_phase_cnt;
-	u32 tm_sw_phase_cnt;
-	u16 uid;
-};
-
-struct mlx5_core_dev;
-
-void mlx5_init_srq_table(struct mlx5_core_dev *dev);
-void mlx5_cleanup_srq_table(struct mlx5_core_dev *dev);
-
-#endif /* MLX5_SRQ_H */

include/linux/mlx5/transobj.h

@@ -58,17 +58,6 @@ int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, int inlen,
 int mlx5_core_modify_tis(struct mlx5_core_dev *dev, u32 tisn, u32 *in,
 			 int inlen);
 void mlx5_core_destroy_tis(struct mlx5_core_dev *dev, u32 tisn);
-int mlx5_core_create_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen,
-			 u32 *rmpn);
-int mlx5_core_modify_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen);
-int mlx5_core_destroy_rmp(struct mlx5_core_dev *dev, u32 rmpn);
-int mlx5_core_query_rmp(struct mlx5_core_dev *dev, u32 rmpn, u32 *out);
-int mlx5_core_arm_rmp(struct mlx5_core_dev *dev, u32 rmpn, u16 lwm);
-int mlx5_core_create_xsrq(struct mlx5_core_dev *dev, u32 *in, int inlen,
-			  u32 *rmpn);
-int mlx5_core_destroy_xsrq(struct mlx5_core_dev *dev, u32 rmpn);
-int mlx5_core_arm_xsrq(struct mlx5_core_dev *dev, u32 rmpn, u16 lwm);
-
 int mlx5_core_create_rqt(struct mlx5_core_dev *dev, u32 *in, int inlen,
 			 u32 *rqtn);
 int mlx5_core_modify_rqt(struct mlx5_core_dev *dev, u32 rqtn, u32 *in,