RDMA: Start use ib_device_ops

Make all the required change to start use the ib_device_ops structure.
Signed-off-by: NKamal Heib <kamalheib1@gmail.com>
Signed-off-by: NJason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/core/cache.c

@@ -217,7 +217,7 @@ static void free_gid_entry_locked(struct ib_gid_table_entry *entry)
 
 	if (rdma_cap_roce_gid_table(device, port_num) &&
 	    entry->state != GID_TABLE_ENTRY_INVALID)
-		device->del_gid(&entry->attr, &entry->context);
+		device->ops.del_gid(&entry->attr, &entry->context);
 
 	write_lock_irq(&table->rwlock);
 
@@ -324,7 +324,7 @@ static int add_roce_gid(struct ib_gid_table_entry *entry)
 		return -EINVAL;
 	}
 	if (rdma_cap_roce_gid_table(attr->device, attr->port_num)) {
-		ret = attr->device->add_gid(attr, &entry->context);
+		ret = attr->device->ops.add_gid(attr, &entry->context);
 		if (ret) {
 			dev_err(&attr->device->dev,
 				"%s GID add failed port=%d index=%d\n",
@@ -548,8 +548,8 @@ int ib_cache_gid_add(struct ib_device *ib_dev, u8 port,
 	unsigned long mask;
 	int ret;
 
-	if (ib_dev->get_netdev) {
-		idev = ib_dev->get_netdev(ib_dev, port);
+	if (ib_dev->ops.get_netdev) {
+		idev = ib_dev->ops.get_netdev(ib_dev, port);
 		if (idev && attr->ndev != idev) {
 			union ib_gid default_gid;
 
@@ -1296,9 +1296,9 @@ static int config_non_roce_gid_cache(struct ib_device *device,
 
 	mutex_lock(&table->lock);
 	for (i = 0; i < gid_tbl_len; ++i) {
-		if (!device->query_gid)
+		if (!device->ops.query_gid)
 			continue;
-		ret = device->query_gid(device, port, i, &gid_attr.gid);
+		ret = device->ops.query_gid(device, port, i, &gid_attr.gid);
 		if (ret) {
 			dev_warn(&device->dev,
 				 "query_gid failed (%d) for index %d\n", ret,

drivers/infiniband/core/core_priv.h

@@ -215,10 +215,10 @@ static inline int ib_security_modify_qp(struct ib_qp *qp,
 					int qp_attr_mask,
 					struct ib_udata *udata)
 {
-	return qp->device->modify_qp(qp->real_qp,
-				     qp_attr,
-				     qp_attr_mask,
-				     udata);
+	return qp->device->ops.modify_qp(qp->real_qp,
+					 qp_attr,
+					 qp_attr_mask,
+					 udata);
 }
 
 static inline int ib_create_qp_security(struct ib_qp *qp,
@@ -280,10 +280,10 @@ static inline struct ib_qp *_ib_create_qp(struct ib_device *dev,
 {
 	struct ib_qp *qp;
 
-	if (!dev->create_qp)
+	if (!dev->ops.create_qp)
 		return ERR_PTR(-EOPNOTSUPP);
 
-	qp = dev->create_qp(pd, attr, udata);
+	qp = dev->ops.create_qp(pd, attr, udata);
 	if (IS_ERR(qp))
 		return qp;
 

drivers/infiniband/core/cq.c

@@ -145,7 +145,7 @@ struct ib_cq *__ib_alloc_cq(struct ib_device *dev, void *private,
 	struct ib_cq *cq;
 	int ret = -ENOMEM;
 
-	cq = dev->create_cq(dev, &cq_attr, NULL, NULL);
+	cq = dev->ops.create_cq(dev, &cq_attr, NULL, NULL);
 	if (IS_ERR(cq))
 		return cq;
 
@@ -193,7 +193,7 @@ struct ib_cq *__ib_alloc_cq(struct ib_device *dev, void *private,
 	kfree(cq->wc);
 	rdma_restrack_del(&cq->res);
 out_destroy_cq:
-	cq->device->destroy_cq(cq);
+	cq->device->ops.destroy_cq(cq);
 	return ERR_PTR(ret);
 }
 EXPORT_SYMBOL(__ib_alloc_cq);
@@ -225,7 +225,7 @@ void ib_free_cq(struct ib_cq *cq)
 
 	kfree(cq->wc);
 	rdma_restrack_del(&cq->res);
-	ret = cq->device->destroy_cq(cq);
+	ret = cq->device->ops.destroy_cq(cq);
 	WARN_ON_ONCE(ret);
 }
 EXPORT_SYMBOL(ib_free_cq);

drivers/infiniband/core/device.c

@@ -96,7 +96,7 @@ static struct notifier_block ibdev_lsm_nb = {
 
 static int ib_device_check_mandatory(struct ib_device *device)
 {
-#define IB_MANDATORY_FUNC(x) { offsetof(struct ib_device, x), #x }
+#define IB_MANDATORY_FUNC(x) { offsetof(struct ib_device_ops, x), #x }
 	static const struct {
 		size_t offset;
 		char  *name;
@@ -122,7 +122,8 @@ static int ib_device_check_mandatory(struct ib_device *device)
 	int i;
 
 	for (i = 0; i < ARRAY_SIZE(mandatory_table); ++i) {
-		if (!*(void **) ((void *) device + mandatory_table[i].offset)) {
+		if (!*(void **) ((void *) &device->ops +
+				 mandatory_table[i].offset)) {
 			dev_warn(&device->dev,
 				 "Device is missing mandatory function %s\n",
 				 mandatory_table[i].name);
@@ -373,8 +374,8 @@ static int read_port_immutable(struct ib_device *device)
 		return -ENOMEM;
 
 	for (port = start_port; port <= end_port; ++port) {
-		ret = device->get_port_immutable(device, port,
-						 &device->port_immutable[port]);
+		ret = device->ops.get_port_immutable(
+			device, port, &device->port_immutable[port]);
 		if (ret)
 			return ret;
 
@@ -386,8 +387,8 @@ static int read_port_immutable(struct ib_device *device)
 
 void ib_get_device_fw_str(struct ib_device *dev, char *str)
 {
-	if (dev->get_dev_fw_str)
-		dev->get_dev_fw_str(dev, str);
+	if (dev->ops.get_dev_fw_str)
+		dev->ops.get_dev_fw_str(dev, str);
 	else
 		str[0] = '\0';
 }
@@ -536,7 +537,7 @@ static int setup_device(struct ib_device *device)
 	}
 
 	memset(&device->attrs, 0, sizeof(device->attrs));
-	ret = device->query_device(device, &device->attrs, &uhw);
+	ret = device->ops.query_device(device, &device->attrs, &uhw);
 	if (ret) {
 		dev_warn(&device->dev,
 			 "Couldn't query the device attributes\n");
@@ -923,14 +924,14 @@ int ib_query_port(struct ib_device *device,
 		return -EINVAL;
 
 	memset(port_attr, 0, sizeof(*port_attr));
-	err = device->query_port(device, port_num, port_attr);
+	err = device->ops.query_port(device, port_num, port_attr);
 	if (err || port_attr->subnet_prefix)
 		return err;
 
 	if (rdma_port_get_link_layer(device, port_num) != IB_LINK_LAYER_INFINIBAND)
 		return 0;
 
-	err = device->query_gid(device, port_num, 0, &gid);
+	err = device->ops.query_gid(device, port_num, 0, &gid);
 	if (err)
 		return err;
 
@@ -964,8 +965,8 @@ void ib_enum_roce_netdev(struct ib_device *ib_dev,
 		if (rdma_protocol_roce(ib_dev, port)) {
 			struct net_device *idev = NULL;
 
-			if (ib_dev->get_netdev)
-				idev = ib_dev->get_netdev(ib_dev, port);
+			if (ib_dev->ops.get_netdev)
+				idev = ib_dev->ops.get_netdev(ib_dev, port);
 
 			if (idev &&
 			    idev->reg_state >= NETREG_UNREGISTERED) {
@@ -1045,7 +1046,7 @@ int ib_query_pkey(struct ib_device *device,
 	if (!rdma_is_port_valid(device, port_num))
 		return -EINVAL;
 
-	return device->query_pkey(device, port_num, index, pkey);
+	return device->ops.query_pkey(device, port_num, index, pkey);
 }
 EXPORT_SYMBOL(ib_query_pkey);
 
@@ -1062,11 +1063,11 @@ int ib_modify_device(struct ib_device *device,
 		     int device_modify_mask,
 		     struct ib_device_modify *device_modify)
 {
-	if (!device->modify_device)
+	if (!device->ops.modify_device)
 		return -ENOSYS;
 
-	return device->modify_device(device, device_modify_mask,
-				     device_modify);
+	return device->ops.modify_device(device, device_modify_mask,
+					 device_modify);
 }
 EXPORT_SYMBOL(ib_modify_device);
 
@@ -1090,9 +1091,10 @@ int ib_modify_port(struct ib_device *device,
 	if (!rdma_is_port_valid(device, port_num))
 		return -EINVAL;
 
-	if (device->modify_port)
-		rc = device->modify_port(device, port_num, port_modify_mask,
-					   port_modify);
+	if (device->ops.modify_port)
+		rc = device->ops.modify_port(device, port_num,
+					     port_modify_mask,
+					     port_modify);
 	else
 		rc = rdma_protocol_roce(device, port_num) ? 0 : -ENOSYS;
 	return rc;
@@ -1221,6 +1223,7 @@ EXPORT_SYMBOL(ib_get_net_dev_by_params);
 
 void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops)
 {
+	struct ib_device_ops *dev_ops = &dev->ops;
 #define SET_DEVICE_OP(ptr, name)                                               \
 	do {                                                                   \
 		if (ops->name)                                                 \
@@ -1228,92 +1231,92 @@ void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops)
 				(ptr)->name = ops->name;                       \
 	} while (0)
 
-	SET_DEVICE_OP(dev, add_gid);
-	SET_DEVICE_OP(dev, alloc_dm);
-	SET_DEVICE_OP(dev, alloc_fmr);
-	SET_DEVICE_OP(dev, alloc_hw_stats);
-	SET_DEVICE_OP(dev, alloc_mr);
-	SET_DEVICE_OP(dev, alloc_mw);
-	SET_DEVICE_OP(dev, alloc_pd);
-	SET_DEVICE_OP(dev, alloc_rdma_netdev);
-	SET_DEVICE_OP(dev, alloc_ucontext);
-	SET_DEVICE_OP(dev, alloc_xrcd);
-	SET_DEVICE_OP(dev, attach_mcast);
-	SET_DEVICE_OP(dev, check_mr_status);
-	SET_DEVICE_OP(dev, create_ah);
-	SET_DEVICE_OP(dev, create_counters);
-	SET_DEVICE_OP(dev, create_cq);
-	SET_DEVICE_OP(dev, create_flow);
-	SET_DEVICE_OP(dev, create_flow_action_esp);
-	SET_DEVICE_OP(dev, create_qp);
-	SET_DEVICE_OP(dev, create_rwq_ind_table);
-	SET_DEVICE_OP(dev, create_srq);
-	SET_DEVICE_OP(dev, create_wq);
-	SET_DEVICE_OP(dev, dealloc_dm);
-	SET_DEVICE_OP(dev, dealloc_fmr);
-	SET_DEVICE_OP(dev, dealloc_mw);
-	SET_DEVICE_OP(dev, dealloc_pd);
-	SET_DEVICE_OP(dev, dealloc_ucontext);
-	SET_DEVICE_OP(dev, dealloc_xrcd);
-	SET_DEVICE_OP(dev, del_gid);
-	SET_DEVICE_OP(dev, dereg_mr);
-	SET_DEVICE_OP(dev, destroy_ah);
-	SET_DEVICE_OP(dev, destroy_counters);
-	SET_DEVICE_OP(dev, destroy_cq);
-	SET_DEVICE_OP(dev, destroy_flow);
-	SET_DEVICE_OP(dev, destroy_flow_action);
-	SET_DEVICE_OP(dev, destroy_qp);
-	SET_DEVICE_OP(dev, destroy_rwq_ind_table);
-	SET_DEVICE_OP(dev, destroy_srq);
-	SET_DEVICE_OP(dev, destroy_wq);
-	SET_DEVICE_OP(dev, detach_mcast);
-	SET_DEVICE_OP(dev, disassociate_ucontext);
-	SET_DEVICE_OP(dev, drain_rq);
-	SET_DEVICE_OP(dev, drain_sq);
-	SET_DEVICE_OP(dev, get_dev_fw_str);
-	SET_DEVICE_OP(dev, get_dma_mr);
-	SET_DEVICE_OP(dev, get_hw_stats);
-	SET_DEVICE_OP(dev, get_link_layer);
-	SET_DEVICE_OP(dev, get_netdev);
-	SET_DEVICE_OP(dev, get_port_immutable);
-	SET_DEVICE_OP(dev, get_vector_affinity);
-	SET_DEVICE_OP(dev, get_vf_config);
-	SET_DEVICE_OP(dev, get_vf_stats);
-	SET_DEVICE_OP(dev, map_mr_sg);
-	SET_DEVICE_OP(dev, map_phys_fmr);
-	SET_DEVICE_OP(dev, mmap);
-	SET_DEVICE_OP(dev, modify_ah);
-	SET_DEVICE_OP(dev, modify_cq);
-	SET_DEVICE_OP(dev, modify_device);
-	SET_DEVICE_OP(dev, modify_flow_action_esp);
-	SET_DEVICE_OP(dev, modify_port);
-	SET_DEVICE_OP(dev, modify_qp);
-	SET_DEVICE_OP(dev, modify_srq);
-	SET_DEVICE_OP(dev, modify_wq);
-	SET_DEVICE_OP(dev, peek_cq);
-	SET_DEVICE_OP(dev, poll_cq);
-	SET_DEVICE_OP(dev, post_recv);
-	SET_DEVICE_OP(dev, post_send);
-	SET_DEVICE_OP(dev, post_srq_recv);
-	SET_DEVICE_OP(dev, process_mad);
-	SET_DEVICE_OP(dev, query_ah);
-	SET_DEVICE_OP(dev, query_device);
-	SET_DEVICE_OP(dev, query_gid);
-	SET_DEVICE_OP(dev, query_pkey);
-	SET_DEVICE_OP(dev, query_port);
-	SET_DEVICE_OP(dev, query_qp);
-	SET_DEVICE_OP(dev, query_srq);
-	SET_DEVICE_OP(dev, rdma_netdev_get_params);
-	SET_DEVICE_OP(dev, read_counters);
-	SET_DEVICE_OP(dev, reg_dm_mr);
-	SET_DEVICE_OP(dev, reg_user_mr);
-	SET_DEVICE_OP(dev, req_ncomp_notif);
-	SET_DEVICE_OP(dev, req_notify_cq);
-	SET_DEVICE_OP(dev, rereg_user_mr);
-	SET_DEVICE_OP(dev, resize_cq);
-	SET_DEVICE_OP(dev, set_vf_guid);
-	SET_DEVICE_OP(dev, set_vf_link_state);
-	SET_DEVICE_OP(dev, unmap_fmr);
+	SET_DEVICE_OP(dev_ops, add_gid);
+	SET_DEVICE_OP(dev_ops, alloc_dm);
+	SET_DEVICE_OP(dev_ops, alloc_fmr);
+	SET_DEVICE_OP(dev_ops, alloc_hw_stats);
+	SET_DEVICE_OP(dev_ops, alloc_mr);
+	SET_DEVICE_OP(dev_ops, alloc_mw);
+	SET_DEVICE_OP(dev_ops, alloc_pd);
+	SET_DEVICE_OP(dev_ops, alloc_rdma_netdev);
+	SET_DEVICE_OP(dev_ops, alloc_ucontext);
+	SET_DEVICE_OP(dev_ops, alloc_xrcd);
+	SET_DEVICE_OP(dev_ops, attach_mcast);
+	SET_DEVICE_OP(dev_ops, check_mr_status);
+	SET_DEVICE_OP(dev_ops, create_ah);
+	SET_DEVICE_OP(dev_ops, create_counters);
+	SET_DEVICE_OP(dev_ops, create_cq);
+	SET_DEVICE_OP(dev_ops, create_flow);
+	SET_DEVICE_OP(dev_ops, create_flow_action_esp);
+	SET_DEVICE_OP(dev_ops, create_qp);
+	SET_DEVICE_OP(dev_ops, create_rwq_ind_table);
+	SET_DEVICE_OP(dev_ops, create_srq);
+	SET_DEVICE_OP(dev_ops, create_wq);
+	SET_DEVICE_OP(dev_ops, dealloc_dm);
+	SET_DEVICE_OP(dev_ops, dealloc_fmr);
+	SET_DEVICE_OP(dev_ops, dealloc_mw);
+	SET_DEVICE_OP(dev_ops, dealloc_pd);
+	SET_DEVICE_OP(dev_ops, dealloc_ucontext);
+	SET_DEVICE_OP(dev_ops, dealloc_xrcd);
+	SET_DEVICE_OP(dev_ops, del_gid);
+	SET_DEVICE_OP(dev_ops, dereg_mr);
+	SET_DEVICE_OP(dev_ops, destroy_ah);
+	SET_DEVICE_OP(dev_ops, destroy_counters);
+	SET_DEVICE_OP(dev_ops, destroy_cq);
+	SET_DEVICE_OP(dev_ops, destroy_flow);
+	SET_DEVICE_OP(dev_ops, destroy_flow_action);
+	SET_DEVICE_OP(dev_ops, destroy_qp);
+	SET_DEVICE_OP(dev_ops, destroy_rwq_ind_table);
+	SET_DEVICE_OP(dev_ops, destroy_srq);
+	SET_DEVICE_OP(dev_ops, destroy_wq);
+	SET_DEVICE_OP(dev_ops, detach_mcast);
+	SET_DEVICE_OP(dev_ops, disassociate_ucontext);
+	SET_DEVICE_OP(dev_ops, drain_rq);
+	SET_DEVICE_OP(dev_ops, drain_sq);
+	SET_DEVICE_OP(dev_ops, get_dev_fw_str);
+	SET_DEVICE_OP(dev_ops, get_dma_mr);
+	SET_DEVICE_OP(dev_ops, get_hw_stats);
+	SET_DEVICE_OP(dev_ops, get_link_layer);
+	SET_DEVICE_OP(dev_ops, get_netdev);
+	SET_DEVICE_OP(dev_ops, get_port_immutable);
+	SET_DEVICE_OP(dev_ops, get_vector_affinity);
+	SET_DEVICE_OP(dev_ops, get_vf_config);
+	SET_DEVICE_OP(dev_ops, get_vf_stats);
+	SET_DEVICE_OP(dev_ops, map_mr_sg);
+	SET_DEVICE_OP(dev_ops, map_phys_fmr);
+	SET_DEVICE_OP(dev_ops, mmap);
+	SET_DEVICE_OP(dev_ops, modify_ah);
+	SET_DEVICE_OP(dev_ops, modify_cq);
+	SET_DEVICE_OP(dev_ops, modify_device);
+	SET_DEVICE_OP(dev_ops, modify_flow_action_esp);
+	SET_DEVICE_OP(dev_ops, modify_port);
+	SET_DEVICE_OP(dev_ops, modify_qp);
+	SET_DEVICE_OP(dev_ops, modify_srq);
+	SET_DEVICE_OP(dev_ops, modify_wq);
+	SET_DEVICE_OP(dev_ops, peek_cq);
+	SET_DEVICE_OP(dev_ops, poll_cq);
+	SET_DEVICE_OP(dev_ops, post_recv);
+	SET_DEVICE_OP(dev_ops, post_send);
+	SET_DEVICE_OP(dev_ops, post_srq_recv);
+	SET_DEVICE_OP(dev_ops, process_mad);
+	SET_DEVICE_OP(dev_ops, query_ah);
+	SET_DEVICE_OP(dev_ops, query_device);
+	SET_DEVICE_OP(dev_ops, query_gid);
+	SET_DEVICE_OP(dev_ops, query_pkey);
+	SET_DEVICE_OP(dev_ops, query_port);
+	SET_DEVICE_OP(dev_ops, query_qp);
+	SET_DEVICE_OP(dev_ops, query_srq);
+	SET_DEVICE_OP(dev_ops, rdma_netdev_get_params);
+	SET_DEVICE_OP(dev_ops, read_counters);
+	SET_DEVICE_OP(dev_ops, reg_dm_mr);
+	SET_DEVICE_OP(dev_ops, reg_user_mr);
+	SET_DEVICE_OP(dev_ops, req_ncomp_notif);
+	SET_DEVICE_OP(dev_ops, req_notify_cq);
+	SET_DEVICE_OP(dev_ops, rereg_user_mr);
+	SET_DEVICE_OP(dev_ops, resize_cq);
+	SET_DEVICE_OP(dev_ops, set_vf_guid);
+	SET_DEVICE_OP(dev_ops, set_vf_link_state);
+	SET_DEVICE_OP(dev_ops, unmap_fmr);
 }
 EXPORT_SYMBOL(ib_set_device_ops);
 

drivers/infiniband/core/fmr_pool.c

@@ -211,8 +211,8 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd             *pd,
 		return ERR_PTR(-EINVAL);
 
 	device = pd->device;
-	if (!device->alloc_fmr    || !device->dealloc_fmr  ||
-	    !device->map_phys_fmr || !device->unmap_fmr) {
+	if (!device->ops.alloc_fmr    || !device->ops.dealloc_fmr  ||
+	    !device->ops.map_phys_fmr || !device->ops.unmap_fmr) {
 		dev_info(&device->dev, "Device does not support FMRs\n");
 		return ERR_PTR(-ENOSYS);
 	}

drivers/infiniband/core/mad.c

@@ -888,10 +888,10 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv,
 	}
 
 	/* No GRH for DR SMP */
-	ret = device->process_mad(device, 0, port_num, &mad_wc, NULL,
-				  (const struct ib_mad_hdr *)smp, mad_size,
-				  (struct ib_mad_hdr *)mad_priv->mad,
-				  &mad_size, &out_mad_pkey_index);
+	ret = device->ops.process_mad(device, 0, port_num, &mad_wc, NULL,
+				      (const struct ib_mad_hdr *)smp, mad_size,
+				      (struct ib_mad_hdr *)mad_priv->mad,
+				      &mad_size, &out_mad_pkey_index);
 	switch (ret)
 	{
 	case IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY:
@@ -2305,14 +2305,12 @@ static void ib_mad_recv_done(struct ib_cq *cq, struct ib_wc *wc)
 	}
 
 	/* Give driver "right of first refusal" on incoming MAD */
-	if (port_priv->device->process_mad) {
-		ret = port_priv->device->process_mad(port_priv->device, 0,
-						     port_priv->port_num,
-						     wc, &recv->grh,
-						     (const struct ib_mad_hdr *)recv->mad,
-						     recv->mad_size,
-						     (struct ib_mad_hdr *)response->mad,
-						     &mad_size, &resp_mad_pkey_index);
+	if (port_priv->device->ops.process_mad) {
+		ret = port_priv->device->ops.process_mad(
+			port_priv->device, 0, port_priv->port_num, wc,
+			&recv->grh, (const struct ib_mad_hdr *)recv->mad,
+			recv->mad_size, (struct ib_mad_hdr *)response->mad,
+			&mad_size, &resp_mad_pkey_index);
 
 		if (opa)
 			wc->pkey_index = resp_mad_pkey_index;

drivers/infiniband/core/nldev.c

@@ -259,8 +259,8 @@ static int fill_port_info(struct sk_buff *msg,
 	if (nla_put_u8(msg, RDMA_NLDEV_ATTR_PORT_PHYS_STATE, attr.phys_state))
 		return -EMSGSIZE;
 
-	if (device->get_netdev)
-		netdev = device->get_netdev(device, port);
+	if (device->ops.get_netdev)
+		netdev = device->ops.get_netdev(device, port);
 
 	if (netdev && net_eq(dev_net(netdev), net)) {
 		ret = nla_put_u32(msg,

drivers/infiniband/core/opa_smi.h

@@ -55,7 +55,7 @@ static inline enum smi_action opa_smi_check_local_smp(struct opa_smp *smp,
 {
 	/* C14-9:3 -- We're at the end of the DR segment of path */
 	/* C14-9:4 -- Hop Pointer = Hop Count + 1 -> give to SMA/SM */
-	return (device->process_mad &&
+	return (device->ops.process_mad &&
 		!opa_get_smp_direction(smp) &&
 		(smp->hop_ptr == smp->hop_cnt + 1)) ?
 		IB_SMI_HANDLE : IB_SMI_DISCARD;
@@ -70,7 +70,7 @@ static inline enum smi_action opa_smi_check_local_returning_smp(struct opa_smp *
 {
 	/* C14-13:3 -- We're at the end of the DR segment of path */
 	/* C14-13:4 -- Hop Pointer == 0 -> give to SM */
-	return (device->process_mad &&
+	return (device->ops.process_mad &&
 		opa_get_smp_direction(smp) &&
 		!smp->hop_ptr) ? IB_SMI_HANDLE : IB_SMI_DISCARD;
 }

drivers/infiniband/core/rdma_core.c

@@ -820,8 +820,8 @@ static void ufile_destroy_ucontext(struct ib_uverbs_file *ufile,
 	 */
 	if (reason == RDMA_REMOVE_DRIVER_REMOVE) {
 		uverbs_user_mmap_disassociate(ufile);
-		if (ib_dev->disassociate_ucontext)
-			ib_dev->disassociate_ucontext(ucontext);
+		if (ib_dev->ops.disassociate_ucontext)
+			ib_dev->ops.disassociate_ucontext(ucontext);
 	}
 
 	ib_rdmacg_uncharge(&ucontext->cg_obj, ib_dev,
@@ -833,7 +833,7 @@ static void ufile_destroy_ucontext(struct ib_uverbs_file *ufile,
 	 * FIXME: Drivers are not permitted to fail dealloc_ucontext, remove
 	 * the error return.
 	 */
-	ret = ib_dev->dealloc_ucontext(ucontext);
+	ret = ib_dev->ops.dealloc_ucontext(ucontext);
 	WARN_ON(ret);
 
 	ufile->ucontext = NULL;

drivers/infiniband/core/security.c

@@ -626,10 +626,10 @@ int ib_security_modify_qp(struct ib_qp *qp,
 	}
 
 	if (!ret)
-		ret = real_qp->device->modify_qp(real_qp,
-						 qp_attr,
-						 qp_attr_mask,
-						 udata);
+		ret = real_qp->device->ops.modify_qp(real_qp,
+						     qp_attr,
+						     qp_attr_mask,
+						     udata);
 
 	if (new_pps) {
 		/* Clean up the lists and free the appropriate

drivers/infiniband/core/smi.h

@@ -67,7 +67,7 @@ static inline enum smi_action smi_check_local_smp(struct ib_smp *smp,
 {
 	/* C14-9:3 -- We're at the end of the DR segment of path */
 	/* C14-9:4 -- Hop Pointer = Hop Count + 1 -> give to SMA/SM */
-	return ((device->process_mad &&
+	return ((device->ops.process_mad &&
 		!ib_get_smp_direction(smp) &&
 		(smp->hop_ptr == smp->hop_cnt + 1)) ?
 		IB_SMI_HANDLE : IB_SMI_DISCARD);
@@ -82,7 +82,7 @@ static inline enum smi_action smi_check_local_returning_smp(struct ib_smp *smp,
 {
 	/* C14-13:3 -- We're at the end of the DR segment of path */
 	/* C14-13:4 -- Hop Pointer == 0 -> give to SM */
-	return ((device->process_mad &&
+	return ((device->ops.process_mad &&
 		ib_get_smp_direction(smp) &&
 		!smp->hop_ptr) ? IB_SMI_HANDLE : IB_SMI_DISCARD);
 }

drivers/infiniband/core/sysfs.c

@@ -462,7 +462,7 @@ static int get_perf_mad(struct ib_device *dev, int port_num, __be16 attr,
 	u16 out_mad_pkey_index = 0;
 	ssize_t ret;
 
-	if (!dev->process_mad)
+	if (!dev->ops.process_mad)
 		return -ENOSYS;
 
 	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);
@@ -481,11 +481,11 @@ static int get_perf_mad(struct ib_device *dev, int port_num, __be16 attr,
 	if (attr != IB_PMA_CLASS_PORT_INFO)
 		in_mad->data[41] = port_num;	/* PortSelect field */
 
-	if ((dev->process_mad(dev, IB_MAD_IGNORE_MKEY,
-		 port_num, NULL, NULL,
-		 (const struct ib_mad_hdr *)in_mad, mad_size,
-		 (struct ib_mad_hdr *)out_mad, &mad_size,
-		 &out_mad_pkey_index) &
+	if ((dev->ops.process_mad(dev, IB_MAD_IGNORE_MKEY,
+				  port_num, NULL, NULL,
+				  (const struct ib_mad_hdr *)in_mad, mad_size,
+				  (struct ib_mad_hdr *)out_mad, &mad_size,
+				  &out_mad_pkey_index) &
 	     (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) !=
 	    (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) {
 		ret = -EINVAL;
@@ -786,7 +786,7 @@ static int update_hw_stats(struct ib_device *dev, struct rdma_hw_stats *stats,
 
 	if (time_is_after_eq_jiffies(stats->timestamp + stats->lifespan))
 		return 0;
-	ret = dev->get_hw_stats(dev, stats, port_num, index);
+	ret = dev->ops.get_hw_stats(dev, stats, port_num, index);
 	if (ret < 0)
 		return ret;
 	if (ret == stats->num_counters)
@@ -946,7 +946,7 @@ static void setup_hw_stats(struct ib_device *device, struct ib_port *port,
 	struct rdma_hw_stats *stats;
 	int i, ret;
 
-	stats = device->alloc_hw_stats(device, port_num);
+	stats = device->ops.alloc_hw_stats(device, port_num);
 
 	if (!stats)
 		return;
@@ -964,8 +964,8 @@ static void setup_hw_stats(struct ib_device *device, struct ib_port *port,
 	if (!hsag)
 		goto err_free_stats;
 
-	ret = device->get_hw_stats(device, stats, port_num,
-				   stats->num_counters);
+	ret = device->ops.get_hw_stats(device, stats, port_num,
+				       stats->num_counters);
 	if (ret != stats->num_counters)
 		goto err_free_hsag;
 
@@ -1057,7 +1057,7 @@ static int add_port(struct ib_device *device, int port_num,
 		goto err_put;
 	}
 
-	if (device->process_mad) {
+	if (device->ops.process_mad) {
 		p->pma_table = get_counter_table(device, port_num);
 		ret = sysfs_create_group(&p->kobj, p->pma_table);
 		if (ret)
@@ -1124,7 +1124,7 @@ static int add_port(struct ib_device *device, int port_num,
 	 * port, so holder should be device. Therefore skip per port conunter
 	 * initialization.
 	 */
-	if (device->alloc_hw_stats && port_num)
+	if (device->ops.alloc_hw_stats && port_num)
 		setup_hw_stats(device, p, port_num);
 
 	list_add_tail(&p->kobj.entry, &device->port_list);
@@ -1245,7 +1245,7 @@ static ssize_t node_desc_store(struct device *device,
 	struct ib_device_modify desc = {};
 	int ret;
 
-	if (!dev->modify_device)
+	if (!dev->ops.modify_device)
 		return -EIO;
 
 	memcpy(desc.node_desc, buf, min_t(int, count, IB_DEVICE_NODE_DESC_MAX));
@@ -1341,7 +1341,7 @@ int ib_device_register_sysfs(struct ib_device *device,
 		}
 	}
 
-	if (device->alloc_hw_stats)
+	if (device->ops.alloc_hw_stats)
 		setup_hw_stats(device, NULL, 0);
 
 	return 0;

drivers/infiniband/core/ucm.c

@@ -1242,7 +1242,7 @@ static void ib_ucm_add_one(struct ib_device *device)
 	dev_t base;
 	struct ib_ucm_device *ucm_dev;
 
-	if (!device->alloc_ucontext || !rdma_cap_ib_cm(device, 1))
+	if (!device->ops.alloc_ucontext || !rdma_cap_ib_cm(device, 1))
 		return;
 
 	ucm_dev = kzalloc(sizeof *ucm_dev, GFP_KERNEL);

drivers/infiniband/core/uverbs_cmd.c

@@ -220,7 +220,7 @@ static int ib_uverbs_get_context(struct uverbs_attr_bundle *attrs)
 	if (ret)
 		goto err;
 
-	ucontext = ib_dev->alloc_ucontext(ib_dev, &attrs->driver_udata);
+	ucontext = ib_dev->ops.alloc_ucontext(ib_dev, &attrs->driver_udata);
 	if (IS_ERR(ucontext)) {
 		ret = PTR_ERR(ucontext);
 		goto err_alloc;
@@ -282,7 +282,7 @@ static int ib_uverbs_get_context(struct uverbs_attr_bundle *attrs)
 	put_unused_fd(resp.async_fd);
 
 err_free:
-	ib_dev->dealloc_ucontext(ucontext);
+	ib_dev->ops.dealloc_ucontext(ucontext);
 
 err_alloc:
 	ib_rdmacg_uncharge(&cg_obj, ib_dev, RDMACG_RESOURCE_HCA_HANDLE);
@@ -457,7 +457,7 @@ static int ib_uverbs_alloc_pd(struct uverbs_attr_bundle *attrs)
 	if (IS_ERR(uobj))
 		return PTR_ERR(uobj);
 
-	pd = ib_dev->alloc_pd(ib_dev, uobj->context, &attrs->driver_udata);
+	pd = ib_dev->ops.alloc_pd(ib_dev, uobj->context, &attrs->driver_udata);
 	if (IS_ERR(pd)) {
 		ret = PTR_ERR(pd);
 		goto err;
@@ -634,8 +634,8 @@ static int ib_uverbs_open_xrcd(struct uverbs_attr_bundle *attrs)
 	}
 
 	if (!xrcd) {
-		xrcd = ib_dev->alloc_xrcd(ib_dev, obj->uobject.context,
-					  &attrs->driver_udata);
+		xrcd = ib_dev->ops.alloc_xrcd(ib_dev, obj->uobject.context,
+					      &attrs->driver_udata);
 		if (IS_ERR(xrcd)) {
 			ret = PTR_ERR(xrcd);
 			goto err;
@@ -774,8 +774,9 @@ static int ib_uverbs_reg_mr(struct uverbs_attr_bundle *attrs)
 		}
 	}
 
-	mr = pd->device->reg_user_mr(pd, cmd.start, cmd.length, cmd.hca_va,
-				     cmd.access_flags, &attrs->driver_udata);
+	mr = pd->device->ops.reg_user_mr(pd, cmd.start, cmd.length, cmd.hca_va,
+					 cmd.access_flags,
+					 &attrs->driver_udata);
 	if (IS_ERR(mr)) {
 		ret = PTR_ERR(mr);
 		goto err_put;
@@ -864,9 +865,10 @@ static int ib_uverbs_rereg_mr(struct uverbs_attr_bundle *attrs)
 	}
 
 	old_pd = mr->pd;
-	ret = mr->device->rereg_user_mr(mr, cmd.flags, cmd.start, cmd.length,
-					cmd.hca_va, cmd.access_flags, pd,
-					&attrs->driver_udata);
+	ret = mr->device->ops.rereg_user_mr(mr, cmd.flags, cmd.start,
+					    cmd.length, cmd.hca_va,
+					    cmd.access_flags, pd,
+					    &attrs->driver_udata);
 	if (!ret) {
 		if (cmd.flags & IB_MR_REREG_PD) {
 			atomic_inc(&pd->usecnt);
@@ -929,7 +931,7 @@ static int ib_uverbs_alloc_mw(struct uverbs_attr_bundle *attrs)
 		goto err_free;
 	}
 
-	mw = pd->device->alloc_mw(pd, cmd.mw_type, &attrs->driver_udata);
+	mw = pd->device->ops.alloc_mw(pd, cmd.mw_type, &attrs->driver_udata);
 	if (IS_ERR(mw)) {
 		ret = PTR_ERR(mw);
 		goto err_put;
@@ -1043,8 +1045,8 @@ static struct ib_ucq_object *create_cq(struct uverbs_attr_bundle *attrs,
 	attr.comp_vector = cmd->comp_vector;
 	attr.flags = cmd->flags;
 
-	cq = ib_dev->create_cq(ib_dev, &attr, obj->uobject.context,
-			       &attrs->driver_udata);
+	cq = ib_dev->ops.create_cq(ib_dev, &attr, obj->uobject.context,
+				   &attrs->driver_udata);
 	if (IS_ERR(cq)) {
 		ret = PTR_ERR(cq);
 		goto err_file;
@@ -1144,7 +1146,7 @@ static int ib_uverbs_resize_cq(struct uverbs_attr_bundle *attrs)
 	if (!cq)
 		return -EINVAL;
 
-	ret = cq->device->resize_cq(cq, cmd.cqe, &attrs->driver_udata);
+	ret = cq->device->ops.resize_cq(cq, cmd.cqe, &attrs->driver_udata);
 	if (ret)
 		goto out;
 
@@ -2188,7 +2190,7 @@ static int ib_uverbs_post_send(struct uverbs_attr_bundle *attrs)
 	}
 
 	resp.bad_wr = 0;
-	ret = qp->device->post_send(qp->real_qp, wr, &bad_wr);
+	ret = qp->device->ops.post_send(qp->real_qp, wr, &bad_wr);
 	if (ret)
 		for (next = wr; next; next = next->next) {
 			++resp.bad_wr;
@@ -2341,7 +2343,7 @@ static int ib_uverbs_post_recv(struct uverbs_attr_bundle *attrs)
 	}
 
 	resp.bad_wr = 0;
-	ret = qp->device->post_recv(qp->real_qp, wr, &bad_wr);
+	ret = qp->device->ops.post_recv(qp->real_qp, wr, &bad_wr);
 
 	uobj_put_obj_read(qp);
 	if (ret) {
@@ -2391,7 +2393,7 @@ static int ib_uverbs_post_srq_recv(struct uverbs_attr_bundle *attrs)
 	}
 
 	resp.bad_wr = 0;
-	ret = srq->device->post_srq_recv(srq, wr, &bad_wr);
+	ret = srq->device->ops.post_srq_recv(srq, wr, &bad_wr);
 
 	uobj_put_obj_read(srq);
 
@@ -2961,7 +2963,7 @@ static int ib_uverbs_ex_create_wq(struct uverbs_attr_bundle *attrs)
 	obj->uevent.events_reported = 0;
 	INIT_LIST_HEAD(&obj->uevent.event_list);
 
-	wq = pd->device->create_wq(pd, &wq_init_attr, &attrs->driver_udata);
+	wq = pd->device->ops.create_wq(pd, &wq_init_attr, &attrs->driver_udata);
 	if (IS_ERR(wq)) {
 		err = PTR_ERR(wq);
 		goto err_put_cq;
@@ -3061,8 +3063,8 @@ static int ib_uverbs_ex_modify_wq(struct uverbs_attr_bundle *attrs)
 		wq_attr.flags = cmd.flags;
 		wq_attr.flags_mask = cmd.flags_mask;
 	}
-	ret = wq->device->modify_wq(wq, &wq_attr, cmd.attr_mask,
-				    &attrs->driver_udata);
+	ret = wq->device->ops.modify_wq(wq, &wq_attr, cmd.attr_mask,
+					&attrs->driver_udata);
 	uobj_put_obj_read(wq);
 	return ret;
 }
@@ -3135,8 +3137,8 @@ static int ib_uverbs_ex_create_rwq_ind_table(struct uverbs_attr_bundle *attrs)
 	init_attr.log_ind_tbl_size = cmd.log_ind_tbl_size;
 	init_attr.ind_tbl = wqs;
 
-	rwq_ind_tbl = ib_dev->create_rwq_ind_table(ib_dev, &init_attr,
-						   &attrs->driver_udata);
+	rwq_ind_tbl = ib_dev->ops.create_rwq_ind_table(ib_dev, &init_attr,
+						       &attrs->driver_udata);
 
 	if (IS_ERR(rwq_ind_tbl)) {
 		err = PTR_ERR(rwq_ind_tbl);
@@ -3323,8 +3325,8 @@ static int ib_uverbs_ex_create_flow(struct uverbs_attr_bundle *attrs)
 		goto err_free;
 	}
 
-	flow_id = qp->device->create_flow(qp, flow_attr, IB_FLOW_DOMAIN_USER,
-					  &attrs->driver_udata);
+	flow_id = qp->device->ops.create_flow(
+		qp, flow_attr, IB_FLOW_DOMAIN_USER, &attrs->driver_udata);
 
 	if (IS_ERR(flow_id)) {
 		err = PTR_ERR(flow_id);
@@ -3346,7 +3348,7 @@ static int ib_uverbs_ex_create_flow(struct uverbs_attr_bundle *attrs)
 		kfree(kern_flow_attr);
 	return uobj_alloc_commit(uobj);
 err_copy:
-	if (!qp->device->destroy_flow(flow_id))
+	if (!qp->device->ops.destroy_flow(flow_id))
 		atomic_dec(&qp->usecnt);
 err_free:
 	ib_uverbs_flow_resources_free(uflow_res);
@@ -3441,7 +3443,7 @@ static int __uverbs_create_xsrq(struct uverbs_attr_bundle *attrs,
 	obj->uevent.events_reported = 0;
 	INIT_LIST_HEAD(&obj->uevent.event_list);
 
-	srq = pd->device->create_srq(pd, &attr, udata);
+	srq = pd->device->ops.create_srq(pd, &attr, udata);
 	if (IS_ERR(srq)) {
 		ret = PTR_ERR(srq);
 		goto err_put;
@@ -3563,8 +3565,8 @@ static int ib_uverbs_modify_srq(struct uverbs_attr_bundle *attrs)
 	attr.max_wr    = cmd.max_wr;
 	attr.srq_limit = cmd.srq_limit;
 
-	ret = srq->device->modify_srq(srq, &attr, cmd.attr_mask,
-				      &attrs->driver_udata);
+	ret = srq->device->ops.modify_srq(srq, &attr, cmd.attr_mask,
+					  &attrs->driver_udata);
 
 	uobj_put_obj_read(srq);
 
@@ -3652,7 +3654,7 @@ static int ib_uverbs_ex_query_device(struct uverbs_attr_bundle *attrs)
 	if (cmd.reserved)
 		return -EINVAL;
 
-	err = ib_dev->query_device(ib_dev, &attr, &attrs->driver_udata);
+	err = ib_dev->ops.query_device(ib_dev, &attr, &attrs->driver_udata);
 	if (err)
 		return err;
 

drivers/infiniband/core/uverbs_main.c

@@ -106,7 +106,7 @@ int uverbs_dealloc_mw(struct ib_mw *mw)
 	struct ib_pd *pd = mw->pd;
 	int ret;
 
-	ret = mw->device->dealloc_mw(mw);
+	ret = mw->device->ops.dealloc_mw(mw);
 	if (!ret)
 		atomic_dec(&pd->usecnt);
 	return ret;
@@ -197,7 +197,7 @@ void ib_uverbs_release_file(struct kref *ref)
 	srcu_key = srcu_read_lock(&file->device->disassociate_srcu);
 	ib_dev = srcu_dereference(file->device->ib_dev,
 				  &file->device->disassociate_srcu);
-	if (ib_dev && !ib_dev->disassociate_ucontext)
+	if (ib_dev && !ib_dev->ops.disassociate_ucontext)
 		module_put(ib_dev->owner);
 	srcu_read_unlock(&file->device->disassociate_srcu, srcu_key);
 
@@ -774,7 +774,7 @@ static int ib_uverbs_mmap(struct file *filp, struct vm_area_struct *vma)
 		goto out;
 	}
 
-	ret = ucontext->device->mmap(ucontext, vma);
+	ret = ucontext->device->ops.mmap(ucontext, vma);
 out:
 	srcu_read_unlock(&file->device->disassociate_srcu, srcu_key);
 	return ret;
@@ -1036,7 +1036,7 @@ static int ib_uverbs_open(struct inode *inode, struct file *filp)
 	/* In case IB device supports disassociate ucontext, there is no hard
 	 * dependency between uverbs device and its low level device.
 	 */
-	module_dependent = !(ib_dev->disassociate_ucontext);
+	module_dependent = !(ib_dev->ops.disassociate_ucontext);
 
 	if (module_dependent) {
 		if (!try_module_get(ib_dev->owner)) {
@@ -1203,7 +1203,7 @@ static void ib_uverbs_add_one(struct ib_device *device)
 	struct ib_uverbs_device *uverbs_dev;
 	int ret;
 
-	if (!device->alloc_ucontext)
+	if (!device->ops.alloc_ucontext)
 		return;
 
 	uverbs_dev = kzalloc(sizeof(*uverbs_dev), GFP_KERNEL);
@@ -1249,7 +1249,7 @@ static void ib_uverbs_add_one(struct ib_device *device)
 	dev_set_name(&uverbs_dev->dev, "uverbs%d", uverbs_dev->devnum);
 
 	cdev_init(&uverbs_dev->cdev,
-		  device->mmap ? &uverbs_mmap_fops : &uverbs_fops);
+		  device->ops.mmap ? &uverbs_mmap_fops : &uverbs_fops);
 	uverbs_dev->cdev.owner = THIS_MODULE;
 
 	ret = cdev_device_add(&uverbs_dev->cdev, &uverbs_dev->dev);
@@ -1337,7 +1337,7 @@ static void ib_uverbs_remove_one(struct ib_device *device, void *client_data)
 	cdev_device_del(&uverbs_dev->cdev, &uverbs_dev->dev);
 	ida_free(&uverbs_ida, uverbs_dev->devnum);
 
-	if (device->disassociate_ucontext) {
+	if (device->ops.disassociate_ucontext) {
 		/* We disassociate HW resources and immediately return.
 		 * Userspace will see a EIO errno for all future access.
 		 * Upon returning, ib_device may be freed internally and is not

drivers/infiniband/core/uverbs_std_types.c

@@ -54,7 +54,7 @@ static int uverbs_free_flow(struct ib_uobject *uobject,
 	struct ib_qp *qp = flow->qp;
 	int ret;
 
-	ret = flow->device->destroy_flow(flow);
+	ret = flow->device->ops.destroy_flow(flow);
 	if (!ret) {
 		if (qp)
 			atomic_dec(&qp->usecnt);

drivers/infiniband/core/uverbs_std_types_counters.c

@@ -44,7 +44,7 @@ static int uverbs_free_counters(struct ib_uobject *uobject,
 	if (ret)
 		return ret;
 
-	return counters->device->destroy_counters(counters);
+	return counters->device->ops.destroy_counters(counters);
 }
 
 static int UVERBS_HANDLER(UVERBS_METHOD_COUNTERS_CREATE)(
@@ -61,10 +61,10 @@ static int UVERBS_HANDLER(UVERBS_METHOD_COUNTERS_CREATE)(
 	 * have the ability to remove methods from parse tree once
 	 * such condition is met.
 	 */
-	if (!ib_dev->create_counters)
+	if (!ib_dev->ops.create_counters)
 		return -EOPNOTSUPP;
 
-	counters = ib_dev->create_counters(ib_dev, attrs);
+	counters = ib_dev->ops.create_counters(ib_dev, attrs);
 	if (IS_ERR(counters)) {
 		ret = PTR_ERR(counters);
 		goto err_create_counters;
@@ -90,7 +90,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_COUNTERS_READ)(
 		uverbs_attr_get_obj(attrs, UVERBS_ATTR_READ_COUNTERS_HANDLE);
 	int ret;
 
-	if (!counters->device->read_counters)
+	if (!counters->device->ops.read_counters)
 		return -EOPNOTSUPP;
 
 	if (!atomic_read(&counters->usecnt))
@@ -109,7 +109,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_COUNTERS_READ)(
 	if (IS_ERR(read_attr.counters_buff))
 		return PTR_ERR(read_attr.counters_buff);
 
-	ret = counters->device->read_counters(counters, &read_attr, attrs);
+	ret = counters->device->ops.read_counters(counters, &read_attr, attrs);
 	if (ret)
 		return ret;
 

drivers/infiniband/core/uverbs_std_types_cq.c

@@ -71,7 +71,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)(
 	struct ib_uverbs_completion_event_file    *ev_file = NULL;
 	struct ib_uobject *ev_file_uobj;
 
-	if (!ib_dev->create_cq || !ib_dev->destroy_cq)
+	if (!ib_dev->ops.create_cq || !ib_dev->ops.destroy_cq)
 		return -EOPNOTSUPP;
 
 	ret = uverbs_copy_from(&attr.comp_vector, attrs,
@@ -110,8 +110,8 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)(
 	INIT_LIST_HEAD(&obj->comp_list);
 	INIT_LIST_HEAD(&obj->async_list);
 
-	cq = ib_dev->create_cq(ib_dev, &attr, obj->uobject.context,
-			       &attrs->driver_udata);
+	cq = ib_dev->ops.create_cq(ib_dev, &attr, obj->uobject.context,
+				   &attrs->driver_udata);
 	if (IS_ERR(cq)) {
 		ret = PTR_ERR(cq);
 		goto err_event_file;

drivers/infiniband/core/uverbs_std_types_dm.c

@@ -43,7 +43,7 @@ static int uverbs_free_dm(struct ib_uobject *uobject,
 	if (ret)
 		return ret;
 
-	return dm->device->dealloc_dm(dm);
+	return dm->device->ops.dealloc_dm(dm);
 }
 
 static int UVERBS_HANDLER(UVERBS_METHOD_DM_ALLOC)(
@@ -57,7 +57,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_DM_ALLOC)(
 	struct ib_dm *dm;
 	int ret;
 
-	if (!ib_dev->alloc_dm)
+	if (!ib_dev->ops.alloc_dm)
 		return -EOPNOTSUPP;
 
 	ret = uverbs_copy_from(&attr.length, attrs,
@@ -70,7 +70,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_DM_ALLOC)(
 	if (ret)
 		return ret;
 
-	dm = ib_dev->alloc_dm(ib_dev, uobj->context, &attr, attrs);
+	dm = ib_dev->ops.alloc_dm(ib_dev, uobj->context, &attr, attrs);
 	if (IS_ERR(dm))
 		return PTR_ERR(dm);
 

drivers/infiniband/core/uverbs_std_types_flow_action.c

@@ -43,7 +43,7 @@ static int uverbs_free_flow_action(struct ib_uobject *uobject,
 	if (ret)
 		return ret;
 
-	return action->device->destroy_flow_action(action);
+	return action->device->ops.destroy_flow_action(action);
 }
 
 static u64 esp_flags_uverbs_to_verbs(struct uverbs_attr_bundle *attrs,
@@ -313,7 +313,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_FLOW_ACTION_ESP_CREATE)(
 	struct ib_flow_action		  *action;
 	struct ib_flow_action_esp_attr	  esp_attr = {};
 
-	if (!ib_dev->create_flow_action_esp)
+	if (!ib_dev->ops.create_flow_action_esp)
 		return -EOPNOTSUPP;
 
 	ret = parse_flow_action_esp(ib_dev, attrs, &esp_attr, false);
@@ -321,7 +321,8 @@ static int UVERBS_HANDLER(UVERBS_METHOD_FLOW_ACTION_ESP_CREATE)(
 		return ret;
 
 	/* No need to check as this attribute is marked as MANDATORY */
-	action = ib_dev->create_flow_action_esp(ib_dev, &esp_attr.hdr, attrs);
+	action = ib_dev->ops.create_flow_action_esp(ib_dev, &esp_attr.hdr,
+						    attrs);
 	if (IS_ERR(action))
 		return PTR_ERR(action);
 
@@ -340,7 +341,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_FLOW_ACTION_ESP_MODIFY)(
 	int				  ret;
 	struct ib_flow_action_esp_attr	  esp_attr = {};
 
-	if (!action->device->modify_flow_action_esp)
+	if (!action->device->ops.modify_flow_action_esp)
 		return -EOPNOTSUPP;
 
 	ret = parse_flow_action_esp(action->device, attrs, &esp_attr, true);
@@ -350,8 +351,9 @@ static int UVERBS_HANDLER(UVERBS_METHOD_FLOW_ACTION_ESP_MODIFY)(
 	if (action->type != IB_FLOW_ACTION_ESP)
 		return -EINVAL;
 
-	return action->device->modify_flow_action_esp(action, &esp_attr.hdr,
-						      attrs);
+	return action->device->ops.modify_flow_action_esp(action,
+							  &esp_attr.hdr,
+							  attrs);
 }
 
 static const struct uverbs_attr_spec uverbs_flow_action_esp_keymat[] = {

drivers/infiniband/core/uverbs_std_types_mr.c

@@ -54,7 +54,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_DM_MR_REG)(
 	struct ib_mr *mr;
 	int ret;
 
-	if (!ib_dev->reg_dm_mr)
+	if (!ib_dev->ops.reg_dm_mr)
 		return -EOPNOTSUPP;
 
 	ret = uverbs_copy_from(&attr.offset, attrs, UVERBS_ATTR_REG_DM_MR_OFFSET);
@@ -83,7 +83,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_DM_MR_REG)(
 	    attr.length > dm->length - attr.offset)
 		return -EINVAL;
 
-	mr = pd->device->reg_dm_mr(pd, dm, &attr, attrs);
+	mr = pd->device->ops.reg_dm_mr(pd, dm, &attr, attrs);
 	if (IS_ERR(mr))
 		return PTR_ERR(mr);
 

drivers/infiniband/core/uverbs_uapi.c

@@ -300,7 +300,8 @@ static int uapi_merge_def(struct uverbs_api *uapi, struct ib_device *ibdev,
 			return 0;
 
 		case UAPI_DEF_IS_SUPPORTED_DEV_FN: {
-			void **ibdev_fn = (void *)ibdev + def->needs_fn_offset;
+			void **ibdev_fn =
+				(void *)(&ibdev->ops) + def->needs_fn_offset;
 
 			if (*ibdev_fn)
 				continue;

drivers/infiniband/core/verbs.c

@@ -226,8 +226,8 @@ EXPORT_SYMBOL(rdma_node_get_transport);
 enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device, u8 port_num)
 {
 	enum rdma_transport_type lt;
-	if (device->get_link_layer)
-		return device->get_link_layer(device, port_num);
+	if (device->ops.get_link_layer)
+		return device->ops.get_link_layer(device, port_num);
 
 	lt = rdma_node_get_transport(device->node_type);
 	if (lt == RDMA_TRANSPORT_IB)
@@ -255,7 +255,7 @@ struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags,
 	struct ib_pd *pd;
 	int mr_access_flags = 0;
 
-	pd = device->alloc_pd(device, NULL, NULL);
+	pd = device->ops.alloc_pd(device, NULL, NULL);
 	if (IS_ERR(pd))
 		return pd;
 
@@ -282,7 +282,7 @@ struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags,
 	if (mr_access_flags) {
 		struct ib_mr *mr;
 
-		mr = pd->device->get_dma_mr(pd, mr_access_flags);
+		mr = pd->device->ops.get_dma_mr(pd, mr_access_flags);
 		if (IS_ERR(mr)) {
 			ib_dealloc_pd(pd);
 			return ERR_CAST(mr);
@@ -319,7 +319,7 @@ void ib_dealloc_pd(struct ib_pd *pd)
 	int ret;
 
 	if (pd->__internal_mr) {
-		ret = pd->device->dereg_mr(pd->__internal_mr);
+		ret = pd->device->ops.dereg_mr(pd->__internal_mr);
 		WARN_ON(ret);
 		pd->__internal_mr = NULL;
 	}
@@ -331,7 +331,7 @@ void ib_dealloc_pd(struct ib_pd *pd)
 	rdma_restrack_del(&pd->res);
 	/* Making delalloc_pd a void return is a WIP, no driver should return
 	   an error here. */
-	ret = pd->device->dealloc_pd(pd);
+	ret = pd->device->ops.dealloc_pd(pd);
 	WARN_ONCE(ret, "Infiniband HW driver failed dealloc_pd");
 }
 EXPORT_SYMBOL(ib_dealloc_pd);
@@ -491,10 +491,10 @@ static struct ib_ah *_rdma_create_ah(struct ib_pd *pd,
 {
 	struct ib_ah *ah;
 
-	if (!pd->device->create_ah)
+	if (!pd->device->ops.create_ah)
 		return ERR_PTR(-EOPNOTSUPP);
 
-	ah = pd->device->create_ah(pd, ah_attr, udata);
+	ah = pd->device->ops.create_ah(pd, ah_attr, udata);
 
 	if (!IS_ERR(ah)) {
 		ah->device  = pd->device;
@@ -900,8 +900,8 @@ int rdma_modify_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr)
 	if (ret)
 		return ret;
 
-	ret = ah->device->modify_ah ?
-		ah->device->modify_ah(ah, ah_attr) :
+	ret = ah->device->ops.modify_ah ?
+		ah->device->ops.modify_ah(ah, ah_attr) :
 		-EOPNOTSUPP;
 
 	ah->sgid_attr = rdma_update_sgid_attr(ah_attr, ah->sgid_attr);
@@ -914,8 +914,8 @@ int rdma_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr)
 {
 	ah_attr->grh.sgid_attr = NULL;
 
-	return ah->device->query_ah ?
-		ah->device->query_ah(ah, ah_attr) :
+	return ah->device->ops.query_ah ?
+		ah->device->ops.query_ah(ah, ah_attr) :
 		-EOPNOTSUPP;
 }
 EXPORT_SYMBOL(rdma_query_ah);
@@ -927,7 +927,7 @@ int rdma_destroy_ah(struct ib_ah *ah)
 	int ret;
 
 	pd = ah->pd;
-	ret = ah->device->destroy_ah(ah);
+	ret = ah->device->ops.destroy_ah(ah);
 	if (!ret) {
 		atomic_dec(&pd->usecnt);
 		if (sgid_attr)
@@ -945,10 +945,10 @@ struct ib_srq *ib_create_srq(struct ib_pd *pd,
 {
 	struct ib_srq *srq;
 
-	if (!pd->device->create_srq)
+	if (!pd->device->ops.create_srq)
 		return ERR_PTR(-EOPNOTSUPP);
 
-	srq = pd->device->create_srq(pd, srq_init_attr, NULL);
+	srq = pd->device->ops.create_srq(pd, srq_init_attr, NULL);
 
 	if (!IS_ERR(srq)) {
 		srq->device    	   = pd->device;
@@ -977,17 +977,17 @@ int ib_modify_srq(struct ib_srq *srq,
 		  struct ib_srq_attr *srq_attr,
 		  enum ib_srq_attr_mask srq_attr_mask)
 {
-	return srq->device->modify_srq ?
-		srq->device->modify_srq(srq, srq_attr, srq_attr_mask, NULL) :
-		-EOPNOTSUPP;
+	return srq->device->ops.modify_srq ?
+		srq->device->ops.modify_srq(srq, srq_attr, srq_attr_mask,
+					    NULL) : -EOPNOTSUPP;
 }
 EXPORT_SYMBOL(ib_modify_srq);
 
 int ib_query_srq(struct ib_srq *srq,
 		 struct ib_srq_attr *srq_attr)
 {
-	return srq->device->query_srq ?
-		srq->device->query_srq(srq, srq_attr) : -EOPNOTSUPP;
+	return srq->device->ops.query_srq ?
+		srq->device->ops.query_srq(srq, srq_attr) : -EOPNOTSUPP;
 }
 EXPORT_SYMBOL(ib_query_srq);
 
@@ -1009,7 +1009,7 @@ int ib_destroy_srq(struct ib_srq *srq)
 	if (srq_type == IB_SRQT_XRC)
 		xrcd = srq->ext.xrc.xrcd;
 
-	ret = srq->device->destroy_srq(srq);
+	ret = srq->device->ops.destroy_srq(srq);
 	if (!ret) {
 		atomic_dec(&pd->usecnt);
 		if (srq_type == IB_SRQT_XRC)
@@ -1118,7 +1118,7 @@ static struct ib_qp *ib_create_xrc_qp(struct ib_qp *qp,
 	if (!IS_ERR(qp))
 		__ib_insert_xrcd_qp(qp_init_attr->xrcd, real_qp);
 	else
-		real_qp->device->destroy_qp(real_qp);
+		real_qp->device->ops.destroy_qp(real_qp);
 	return qp;
 }
 
@@ -1704,10 +1704,10 @@ int ib_get_eth_speed(struct ib_device *dev, u8 port_num, u8 *speed, u8 *width)
 	if (rdma_port_get_link_layer(dev, port_num) != IB_LINK_LAYER_ETHERNET)
 		return -EINVAL;
 
-	if (!dev->get_netdev)
+	if (!dev->ops.get_netdev)
 		return -EOPNOTSUPP;
 
-	netdev = dev->get_netdev(dev, port_num);
+	netdev = dev->ops.get_netdev(dev, port_num);
 	if (!netdev)
 		return -ENODEV;
 
@@ -1765,9 +1765,9 @@ int ib_query_qp(struct ib_qp *qp,
 	qp_attr->ah_attr.grh.sgid_attr = NULL;
 	qp_attr->alt_ah_attr.grh.sgid_attr = NULL;
 
-	return qp->device->query_qp ?
-		qp->device->query_qp(qp->real_qp, qp_attr, qp_attr_mask, qp_init_attr) :
-		-EOPNOTSUPP;
+	return qp->device->ops.query_qp ?
+		qp->device->ops.query_qp(qp->real_qp, qp_attr, qp_attr_mask,
+					 qp_init_attr) : -EOPNOTSUPP;
 }
 EXPORT_SYMBOL(ib_query_qp);
 
@@ -1853,7 +1853,7 @@ int ib_destroy_qp(struct ib_qp *qp)
 		rdma_rw_cleanup_mrs(qp);
 
 	rdma_restrack_del(&qp->res);
-	ret = qp->device->destroy_qp(qp);
+	ret = qp->device->ops.destroy_qp(qp);
 	if (!ret) {
 		if (alt_path_sgid_attr)
 			rdma_put_gid_attr(alt_path_sgid_attr);
@@ -1891,7 +1891,7 @@ struct ib_cq *__ib_create_cq(struct ib_device *device,
 {
 	struct ib_cq *cq;
 
-	cq = device->create_cq(device, cq_attr, NULL, NULL);
+	cq = device->ops.create_cq(device, cq_attr, NULL, NULL);
 
 	if (!IS_ERR(cq)) {
 		cq->device        = device;
@@ -1911,8 +1911,9 @@ EXPORT_SYMBOL(__ib_create_cq);
 
 int rdma_set_cq_moderation(struct ib_cq *cq, u16 cq_count, u16 cq_period)
 {
-	return cq->device->modify_cq ?
-		cq->device->modify_cq(cq, cq_count, cq_period) : -EOPNOTSUPP;
+	return cq->device->ops.modify_cq ?
+		cq->device->ops.modify_cq(cq, cq_count,
+					  cq_period) : -EOPNOTSUPP;
 }
 EXPORT_SYMBOL(rdma_set_cq_moderation);
 
@@ -1922,14 +1923,14 @@ int ib_destroy_cq(struct ib_cq *cq)
 		return -EBUSY;
 
 	rdma_restrack_del(&cq->res);
-	return cq->device->destroy_cq(cq);
+	return cq->device->ops.destroy_cq(cq);
 }
 EXPORT_SYMBOL(ib_destroy_cq);
 
 int ib_resize_cq(struct ib_cq *cq, int cqe)
 {
-	return cq->device->resize_cq ?
-		cq->device->resize_cq(cq, cqe, NULL) : -EOPNOTSUPP;
+	return cq->device->ops.resize_cq ?
+		cq->device->ops.resize_cq(cq, cqe, NULL) : -EOPNOTSUPP;
 }
 EXPORT_SYMBOL(ib_resize_cq);
 
@@ -1942,7 +1943,7 @@ int ib_dereg_mr(struct ib_mr *mr)
 	int ret;
 
 	rdma_restrack_del(&mr->res);
-	ret = mr->device->dereg_mr(mr);
+	ret = mr->device->ops.dereg_mr(mr);
 	if (!ret) {
 		atomic_dec(&pd->usecnt);
 		if (dm)
@@ -1971,10 +1972,10 @@ struct ib_mr *ib_alloc_mr(struct ib_pd *pd,
 {
 	struct ib_mr *mr;
 
-	if (!pd->device->alloc_mr)
+	if (!pd->device->ops.alloc_mr)
 		return ERR_PTR(-EOPNOTSUPP);
 
-	mr = pd->device->alloc_mr(pd, mr_type, max_num_sg);
+	mr = pd->device->ops.alloc_mr(pd, mr_type, max_num_sg);
 	if (!IS_ERR(mr)) {
 		mr->device  = pd->device;
 		mr->pd      = pd;
@@ -1998,10 +1999,10 @@ struct ib_fmr *ib_alloc_fmr(struct ib_pd *pd,
 {
 	struct ib_fmr *fmr;
 
-	if (!pd->device->alloc_fmr)
+	if (!pd->device->ops.alloc_fmr)
 		return ERR_PTR(-EOPNOTSUPP);
 
-	fmr = pd->device->alloc_fmr(pd, mr_access_flags, fmr_attr);
+	fmr = pd->device->ops.alloc_fmr(pd, mr_access_flags, fmr_attr);
 	if (!IS_ERR(fmr)) {
 		fmr->device = pd->device;
 		fmr->pd     = pd;
@@ -2020,7 +2021,7 @@ int ib_unmap_fmr(struct list_head *fmr_list)
 		return 0;
 
 	fmr = list_entry(fmr_list->next, struct ib_fmr, list);
-	return fmr->device->unmap_fmr(fmr_list);
+	return fmr->device->ops.unmap_fmr(fmr_list);
 }
 EXPORT_SYMBOL(ib_unmap_fmr);
 
@@ -2030,7 +2031,7 @@ int ib_dealloc_fmr(struct ib_fmr *fmr)
 	int ret;
 
 	pd = fmr->pd;
-	ret = fmr->device->dealloc_fmr(fmr);
+	ret = fmr->device->ops.dealloc_fmr(fmr);
 	if (!ret)
 		atomic_dec(&pd->usecnt);
 
@@ -2082,14 +2083,14 @@ int ib_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid)
 {
 	int ret;
 
-	if (!qp->device->attach_mcast)
+	if (!qp->device->ops.attach_mcast)
 		return -EOPNOTSUPP;
 
 	if (!rdma_is_multicast_addr((struct in6_addr *)gid->raw) ||
 	    qp->qp_type != IB_QPT_UD || !is_valid_mcast_lid(qp, lid))
 		return -EINVAL;
 
-	ret = qp->device->attach_mcast(qp, gid, lid);
+	ret = qp->device->ops.attach_mcast(qp, gid, lid);
 	if (!ret)
 		atomic_inc(&qp->usecnt);
 	return ret;
@@ -2100,14 +2101,14 @@ int ib_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid)
 {
 	int ret;
 
-	if (!qp->device->detach_mcast)
+	if (!qp->device->ops.detach_mcast)
 		return -EOPNOTSUPP;
 
 	if (!rdma_is_multicast_addr((struct in6_addr *)gid->raw) ||
 	    qp->qp_type != IB_QPT_UD || !is_valid_mcast_lid(qp, lid))
 		return -EINVAL;
 
-	ret = qp->device->detach_mcast(qp, gid, lid);
+	ret = qp->device->ops.detach_mcast(qp, gid, lid);
 	if (!ret)
 		atomic_dec(&qp->usecnt);
 	return ret;
@@ -2118,10 +2119,10 @@ struct ib_xrcd *__ib_alloc_xrcd(struct ib_device *device, const char *caller)
 {
 	struct ib_xrcd *xrcd;
 
-	if (!device->alloc_xrcd)
+	if (!device->ops.alloc_xrcd)
 		return ERR_PTR(-EOPNOTSUPP);
 
-	xrcd = device->alloc_xrcd(device, NULL, NULL);
+	xrcd = device->ops.alloc_xrcd(device, NULL, NULL);
 	if (!IS_ERR(xrcd)) {
 		xrcd->device = device;
 		xrcd->inode = NULL;
@@ -2149,7 +2150,7 @@ int ib_dealloc_xrcd(struct ib_xrcd *xrcd)
 			return ret;
 	}
 
-	return xrcd->device->dealloc_xrcd(xrcd);
+	return xrcd->device->ops.dealloc_xrcd(xrcd);
 }
 EXPORT_SYMBOL(ib_dealloc_xrcd);
 
@@ -2172,10 +2173,10 @@ struct ib_wq *ib_create_wq(struct ib_pd *pd,
 {
 	struct ib_wq *wq;
 
-	if (!pd->device->create_wq)
+	if (!pd->device->ops.create_wq)
 		return ERR_PTR(-EOPNOTSUPP);
 
-	wq = pd->device->create_wq(pd, wq_attr, NULL);
+	wq = pd->device->ops.create_wq(pd, wq_attr, NULL);
 	if (!IS_ERR(wq)) {
 		wq->event_handler = wq_attr->event_handler;
 		wq->wq_context = wq_attr->wq_context;
@@ -2205,7 +2206,7 @@ int ib_destroy_wq(struct ib_wq *wq)
 	if (atomic_read(&wq->usecnt))
 		return -EBUSY;
 
-	err = wq->device->destroy_wq(wq);
+	err = wq->device->ops.destroy_wq(wq);
 	if (!err) {
 		atomic_dec(&pd->usecnt);
 		atomic_dec(&cq->usecnt);
@@ -2227,10 +2228,10 @@ int ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
 {
 	int err;
 
-	if (!wq->device->modify_wq)
+	if (!wq->device->ops.modify_wq)
 		return -EOPNOTSUPP;
 
-	err = wq->device->modify_wq(wq, wq_attr, wq_attr_mask, NULL);
+	err = wq->device->ops.modify_wq(wq, wq_attr, wq_attr_mask, NULL);
 	return err;
 }
 EXPORT_SYMBOL(ib_modify_wq);
@@ -2252,12 +2253,12 @@ struct ib_rwq_ind_table *ib_create_rwq_ind_table(struct ib_device *device,
 	int i;
 	u32 table_size;
 
-	if (!device->create_rwq_ind_table)
+	if (!device->ops.create_rwq_ind_table)
 		return ERR_PTR(-EOPNOTSUPP);
 
 	table_size = (1 << init_attr->log_ind_tbl_size);
-	rwq_ind_table = device->create_rwq_ind_table(device,
-				init_attr, NULL);
+	rwq_ind_table = device->ops.create_rwq_ind_table(device,
+							 init_attr, NULL);
 	if (IS_ERR(rwq_ind_table))
 		return rwq_ind_table;
 
@@ -2287,7 +2288,7 @@ int ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *rwq_ind_table)
 	if (atomic_read(&rwq_ind_table->usecnt))
 		return -EBUSY;
 
-	err = rwq_ind_table->device->destroy_rwq_ind_table(rwq_ind_table);
+	err = rwq_ind_table->device->ops.destroy_rwq_ind_table(rwq_ind_table);
 	if (!err) {
 		for (i = 0; i < table_size; i++)
 			atomic_dec(&ind_tbl[i]->usecnt);
@@ -2300,48 +2301,50 @@ EXPORT_SYMBOL(ib_destroy_rwq_ind_table);
 int ib_check_mr_status(struct ib_mr *mr, u32 check_mask,
 		       struct ib_mr_status *mr_status)
 {
-	return mr->device->check_mr_status ?
-		mr->device->check_mr_status(mr, check_mask, mr_status) : -EOPNOTSUPP;
+	if (!mr->device->ops.check_mr_status)
+		return -EOPNOTSUPP;
+
+	return mr->device->ops.check_mr_status(mr, check_mask, mr_status);
 }
 EXPORT_SYMBOL(ib_check_mr_status);
 
 int ib_set_vf_link_state(struct ib_device *device, int vf, u8 port,
 			 int state)
 {
-	if (!device->set_vf_link_state)
+	if (!device->ops.set_vf_link_state)
 		return -EOPNOTSUPP;
 
-	return device->set_vf_link_state(device, vf, port, state);
+	return device->ops.set_vf_link_state(device, vf, port, state);
 }
 EXPORT_SYMBOL(ib_set_vf_link_state);
 
 int ib_get_vf_config(struct ib_device *device, int vf, u8 port,
 		     struct ifla_vf_info *info)
 {
-	if (!device->get_vf_config)
+	if (!device->ops.get_vf_config)
 		return -EOPNOTSUPP;
 
-	return device->get_vf_config(device, vf, port, info);
+	return device->ops.get_vf_config(device, vf, port, info);
 }
 EXPORT_SYMBOL(ib_get_vf_config);
 
 int ib_get_vf_stats(struct ib_device *device, int vf, u8 port,
 		    struct ifla_vf_stats *stats)
 {
-	if (!device->get_vf_stats)
+	if (!device->ops.get_vf_stats)
 		return -EOPNOTSUPP;
 
-	return device->get_vf_stats(device, vf, port, stats);
+	return device->ops.get_vf_stats(device, vf, port, stats);
 }
 EXPORT_SYMBOL(ib_get_vf_stats);
 
 int ib_set_vf_guid(struct ib_device *device, int vf, u8 port, u64 guid,
 		   int type)
 {
-	if (!device->set_vf_guid)
+	if (!device->ops.set_vf_guid)
 		return -EOPNOTSUPP;
 
-	return device->set_vf_guid(device, vf, port, guid, type);
+	return device->ops.set_vf_guid(device, vf, port, guid, type);
 }
 EXPORT_SYMBOL(ib_set_vf_guid);
 
@@ -2373,12 +2376,12 @@ EXPORT_SYMBOL(ib_set_vf_guid);
 int ib_map_mr_sg(struct ib_mr *mr, struct scatterlist *sg, int sg_nents,
 		 unsigned int *sg_offset, unsigned int page_size)
 {
-	if (unlikely(!mr->device->map_mr_sg))
+	if (unlikely(!mr->device->ops.map_mr_sg))
 		return -EOPNOTSUPP;
 
 	mr->page_size = page_size;
 
-	return mr->device->map_mr_sg(mr, sg, sg_nents, sg_offset);
+	return mr->device->ops.map_mr_sg(mr, sg, sg_nents, sg_offset);
 }
 EXPORT_SYMBOL(ib_map_mr_sg);
 
@@ -2577,8 +2580,8 @@ static void __ib_drain_rq(struct ib_qp *qp)
  */
 void ib_drain_sq(struct ib_qp *qp)
 {
-	if (qp->device->drain_sq)
-		qp->device->drain_sq(qp);
+	if (qp->device->ops.drain_sq)
+		qp->device->ops.drain_sq(qp);
 	else
 		__ib_drain_sq(qp);
 }
@@ -2605,8 +2608,8 @@ EXPORT_SYMBOL(ib_drain_sq);
  */
 void ib_drain_rq(struct ib_qp *qp)
 {
-	if (qp->device->drain_rq)
-		qp->device->drain_rq(qp);
+	if (qp->device->ops.drain_rq)
+		qp->device->ops.drain_rq(qp);
 	else
 		__ib_drain_rq(qp);
 }
@@ -2644,10 +2647,11 @@ struct net_device *rdma_alloc_netdev(struct ib_device *device, u8 port_num,
 	struct net_device *netdev;
 	int rc;
 
-	if (!device->rdma_netdev_get_params)
+	if (!device->ops.rdma_netdev_get_params)
 		return ERR_PTR(-EOPNOTSUPP);
 
-	rc = device->rdma_netdev_get_params(device, port_num, type, &params);
+	rc = device->ops.rdma_netdev_get_params(device, port_num, type,
+						&params);
 	if (rc)
 		return ERR_PTR(rc);
 
@@ -2669,10 +2673,11 @@ int rdma_init_netdev(struct ib_device *device, u8 port_num,
 	struct rdma_netdev_alloc_params params;
 	int rc;
 
-	if (!device->rdma_netdev_get_params)
+	if (!device->ops.rdma_netdev_get_params)
 		return -EOPNOTSUPP;
 
-	rc = device->rdma_netdev_get_params(device, port_num, type, &params);
+	rc = device->ops.rdma_netdev_get_params(device, port_num, type,
+						&params);
 	if (rc)
 		return rc;
 

drivers/infiniband/hw/i40iw/i40iw_cm.c

@@ -3478,7 +3478,7 @@ static void i40iw_qp_disconnect(struct i40iw_qp *iwqp)
 		/* Need to free the Last Streaming Mode Message */
 		if (iwqp->ietf_mem.va) {
 			if (iwqp->lsmm_mr)
-				iwibdev->ibdev.dereg_mr(iwqp->lsmm_mr);
+				iwibdev->ibdev.ops.dereg_mr(iwqp->lsmm_mr);
 			i40iw_free_dma_mem(iwdev->sc_dev.hw, &iwqp->ietf_mem);
 		}
 	}

drivers/infiniband/hw/mlx4/alias_GUID.c

@@ -849,7 +849,7 @@ int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev)
 	spin_lock_init(&dev->sriov.alias_guid.ag_work_lock);
 
 	for (i = 1; i <= dev->num_ports; ++i) {
-		if (dev->ib_dev.query_gid(&dev->ib_dev , i, 0, &gid)) {
+		if (dev->ib_dev.ops.query_gid(&dev->ib_dev, i, 0, &gid)) {
 			ret = -EFAULT;
 			goto err_unregister;
 		}

drivers/infiniband/hw/mlx5/main.c

@@ -150,7 +150,7 @@ static int get_port_state(struct ib_device *ibdev,
 	int ret;
 
 	memset(&attr, 0, sizeof(attr));
-	ret = ibdev->query_port(ibdev, port_num, &attr);
+	ret = ibdev->ops.query_port(ibdev, port_num, &attr);
 	if (!ret)
 		*state = attr.state;
 	return ret;

drivers/infiniband/hw/nes/nes_cm.c

@@ -3033,7 +3033,7 @@ static int nes_disconnect(struct nes_qp *nesqp, int abrupt)
 		/* Need to free the Last Streaming Mode Message */
 		if (nesqp->ietf_frame) {
 			if (nesqp->lsmm_mr)
-				nesibdev->ibdev.dereg_mr(nesqp->lsmm_mr);
+				nesibdev->ibdev.ops.dereg_mr(nesqp->lsmm_mr);
 			pci_free_consistent(nesdev->pcidev,
 					    nesqp->private_data_len + nesqp->ietf_frame_size,
 					    nesqp->ietf_frame, nesqp->ietf_frame_pbase);

drivers/infiniband/sw/rdmavt/vt.c

@@ -456,31 +456,31 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb)
 		 * rdmavt does not support modify device currently drivers must
 		 * provide.
 		 */
-		if (!rdi->ibdev.modify_device)
+		if (!rdi->ibdev.ops.modify_device)
 			return -EOPNOTSUPP;
 		break;
 
 	case QUERY_PORT:
-		if (!rdi->ibdev.query_port)
+		if (!rdi->ibdev.ops.query_port)
 			if (!rdi->driver_f.query_port_state)
 				return -EINVAL;
 		break;
 
 	case MODIFY_PORT:
-		if (!rdi->ibdev.modify_port)
+		if (!rdi->ibdev.ops.modify_port)
 			if (!rdi->driver_f.cap_mask_chg ||
 			    !rdi->driver_f.shut_down_port)
 				return -EINVAL;
 		break;
 
 	case QUERY_GID:
-		if (!rdi->ibdev.query_gid)
+		if (!rdi->ibdev.ops.query_gid)
 			if (!rdi->driver_f.get_guid_be)
 				return -EINVAL;
 		break;
 
 	case CREATE_QP:
-		if (!rdi->ibdev.create_qp)
+		if (!rdi->ibdev.ops.create_qp)
 			if (!rdi->driver_f.qp_priv_alloc ||
 			    !rdi->driver_f.qp_priv_free ||
 			    !rdi->driver_f.notify_qp_reset ||
@@ -491,7 +491,7 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb)
 		break;
 
 	case MODIFY_QP:
-		if (!rdi->ibdev.modify_qp)
+		if (!rdi->ibdev.ops.modify_qp)
 			if (!rdi->driver_f.notify_qp_reset ||
 			    !rdi->driver_f.schedule_send ||
 			    !rdi->driver_f.get_pmtu_from_attr ||
@@ -505,7 +505,7 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb)
 		break;
 
 	case DESTROY_QP:
-		if (!rdi->ibdev.destroy_qp)
+		if (!rdi->ibdev.ops.destroy_qp)
 			if (!rdi->driver_f.qp_priv_free ||
 			    !rdi->driver_f.notify_qp_reset ||
 			    !rdi->driver_f.flush_qp_waiters ||
@@ -515,7 +515,7 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb)
 		break;
 
 	case POST_SEND:
-		if (!rdi->ibdev.post_send)
+		if (!rdi->ibdev.ops.post_send)
 			if (!rdi->driver_f.schedule_send ||
 			    !rdi->driver_f.do_send ||
 			    !rdi->post_parms)

drivers/infiniband/ulp/ipoib/ipoib_main.c

@@ -2453,8 +2453,8 @@ static struct net_device *ipoib_add_port(const char *format,
 		return ERR_PTR(result);
 	}
 
-	if (hca->rdma_netdev_get_params) {
-		int rc = hca->rdma_netdev_get_params(hca, port,
+	if (hca->ops.rdma_netdev_get_params) {
+		int rc = hca->ops.rdma_netdev_get_params(hca, port,
 						     RDMA_NETDEV_IPOIB,
 						     &params);
 

drivers/infiniband/ulp/iser/iser_memory.c

@@ -77,8 +77,8 @@ int iser_assign_reg_ops(struct iser_device *device)
 	struct ib_device *ib_dev = device->ib_device;
 
 	/* Assign function handles  - based on FMR support */
-	if (ib_dev->alloc_fmr && ib_dev->dealloc_fmr &&
-	    ib_dev->map_phys_fmr && ib_dev->unmap_fmr) {
+	if (ib_dev->ops.alloc_fmr && ib_dev->ops.dealloc_fmr &&
+	    ib_dev->ops.map_phys_fmr && ib_dev->ops.unmap_fmr) {
 		iser_info("FMR supported, using FMR for registration\n");
 		device->reg_ops = &fmr_ops;
 	} else if (ib_dev->attrs.device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS) {

drivers/infiniband/ulp/opa_vnic/opa_vnic_netdev.c

@@ -330,10 +330,10 @@ struct opa_vnic_adapter *opa_vnic_add_netdev(struct ib_device *ibdev,
 	struct rdma_netdev *rn;
 	int rc;
 
-	netdev = ibdev->alloc_rdma_netdev(ibdev, port_num,
-					  RDMA_NETDEV_OPA_VNIC,
-					  "veth%d", NET_NAME_UNKNOWN,
-					  ether_setup);
+	netdev = ibdev->ops.alloc_rdma_netdev(ibdev, port_num,
+					      RDMA_NETDEV_OPA_VNIC,
+					      "veth%d", NET_NAME_UNKNOWN,
+					      ether_setup);
 	if (!netdev)
 		return ERR_PTR(-ENOMEM);
 	else if (IS_ERR(netdev))

drivers/infiniband/ulp/srp/ib_srp.c

@@ -4063,8 +4063,10 @@ static void srp_add_one(struct ib_device *device)
 	srp_dev->max_pages_per_mr = min_t(u64, SRP_MAX_PAGES_PER_MR,
 					  max_pages_per_mr);
 
-	srp_dev->has_fmr = (device->alloc_fmr && device->dealloc_fmr &&
-			    device->map_phys_fmr && device->unmap_fmr);
+	srp_dev->has_fmr = (device->ops.alloc_fmr &&
+			    device->ops.dealloc_fmr &&
+			    device->ops.map_phys_fmr &&
+			    device->ops.unmap_fmr);
 	srp_dev->has_fr = (attr->device_cap_flags &
 			   IB_DEVICE_MEM_MGT_EXTENSIONS);
 	if (!never_register && !srp_dev->has_fmr && !srp_dev->has_fr) {

fs/cifs/smbdirect.c

@@ -1724,7 +1724,7 @@ static struct smbd_connection *_smbd_get_connection(
 		info->responder_resources);
 
 	/* Need to send IRD/ORD in private data for iWARP */
-	info->id->device->get_port_immutable(
+	info->id->device->ops.get_port_immutable(
 		info->id->device, info->id->port_num, &port_immutable);
 	if (port_immutable.core_cap_flags & RDMA_CORE_PORT_IWARP) {
 		ird_ord_hdr[0] = info->responder_resources;

include/rdma/ib_verbs.h

@@ -2507,7 +2507,7 @@ struct ib_device_ops {
 struct ib_device {
 	/* Do not access @dma_device directly from ULP nor from HW drivers. */
 	struct device                *dma_device;
-
+	struct ib_device_ops	     ops;
 	char                          name[IB_DEVICE_NAME_MAX];
 
 	struct list_head              event_handler_list;
@@ -2532,273 +2532,6 @@ struct ib_device {
 
 	struct iw_cm_verbs	     *iwcm;
 
-	/**
-	 * alloc_hw_stats - Allocate a struct rdma_hw_stats and fill in the
-	 *   driver initialized data.  The struct is kfree()'ed by the sysfs
-	 *   core when the device is removed.  A lifespan of -1 in the return
-	 *   struct tells the core to set a default lifespan.
-	 */
-	struct rdma_hw_stats      *(*alloc_hw_stats)(struct ib_device *device,
-						     u8 port_num);
-	/**
-	 * get_hw_stats - Fill in the counter value(s) in the stats struct.
-	 * @index - The index in the value array we wish to have updated, or
-	 *   num_counters if we want all stats updated
-	 * Return codes -
-	 *   < 0 - Error, no counters updated
-	 *   index - Updated the single counter pointed to by index
-	 *   num_counters - Updated all counters (will reset the timestamp
-	 *     and prevent further calls for lifespan milliseconds)
-	 * Drivers are allowed to update all counters in lieu of just the
-	 *   one given in index at their option
-	 */
-	int		           (*get_hw_stats)(struct ib_device *device,
-						   struct rdma_hw_stats *stats,
-						   u8 port, int index);
-	int		           (*query_device)(struct ib_device *device,
-						   struct ib_device_attr *device_attr,
-						   struct ib_udata *udata);
-	int		           (*query_port)(struct ib_device *device,
-						 u8 port_num,
-						 struct ib_port_attr *port_attr);
-	enum rdma_link_layer	   (*get_link_layer)(struct ib_device *device,
-						     u8 port_num);
-	/* When calling get_netdev, the HW vendor's driver should return the
-	 * net device of device @device at port @port_num or NULL if such
-	 * a net device doesn't exist. The vendor driver should call dev_hold
-	 * on this net device. The HW vendor's device driver must guarantee
-	 * that this function returns NULL before the net device has finished
-	 * NETDEV_UNREGISTER state.
-	 */
-	struct net_device	  *(*get_netdev)(struct ib_device *device,
-						 u8 port_num);
-	/* query_gid should be return GID value for @device, when @port_num
-	 * link layer is either IB or iWarp. It is no-op if @port_num port
-	 * is RoCE link layer.
-	 */
-	int		           (*query_gid)(struct ib_device *device,
-						u8 port_num, int index,
-						union ib_gid *gid);
-	/* When calling add_gid, the HW vendor's driver should add the gid
-	 * of device of port at gid index available at @attr. Meta-info of
-	 * that gid (for example, the network device related to this gid) is
-	 * available at @attr. @context allows the HW vendor driver to store
-	 * extra information together with a GID entry. The HW vendor driver may
-	 * allocate memory to contain this information and store it in @context
-	 * when a new GID entry is written to. Params are consistent until the
-	 * next call of add_gid or delete_gid. The function should return 0 on
-	 * success or error otherwise. The function could be called
-	 * concurrently for different ports. This function is only called when
-	 * roce_gid_table is used.
-	 */
-	int		           (*add_gid)(const struct ib_gid_attr *attr,
-					      void **context);
-	/* When calling del_gid, the HW vendor's driver should delete the
-	 * gid of device @device at gid index gid_index of port port_num
-	 * available in @attr.
-	 * Upon the deletion of a GID entry, the HW vendor must free any
-	 * allocated memory. The caller will clear @context afterwards.
-	 * This function is only called when roce_gid_table is used.
-	 */
-	int		           (*del_gid)(const struct ib_gid_attr *attr,
-					      void **context);
-	int		           (*query_pkey)(struct ib_device *device,
-						 u8 port_num, u16 index, u16 *pkey);
-	int		           (*modify_device)(struct ib_device *device,
-						    int device_modify_mask,
-						    struct ib_device_modify *device_modify);
-	int		           (*modify_port)(struct ib_device *device,
-						  u8 port_num, int port_modify_mask,
-						  struct ib_port_modify *port_modify);
-	struct ib_ucontext *       (*alloc_ucontext)(struct ib_device *device,
-						     struct ib_udata *udata);
-	int                        (*dealloc_ucontext)(struct ib_ucontext *context);
-	int                        (*mmap)(struct ib_ucontext *context,
-					   struct vm_area_struct *vma);
-	struct ib_pd *             (*alloc_pd)(struct ib_device *device,
-					       struct ib_ucontext *context,
-					       struct ib_udata *udata);
-	int                        (*dealloc_pd)(struct ib_pd *pd);
-	struct ib_ah *             (*create_ah)(struct ib_pd *pd,
-						struct rdma_ah_attr *ah_attr,
-						struct ib_udata *udata);
-	int                        (*modify_ah)(struct ib_ah *ah,
-						struct rdma_ah_attr *ah_attr);
-	int                        (*query_ah)(struct ib_ah *ah,
-					       struct rdma_ah_attr *ah_attr);
-	int                        (*destroy_ah)(struct ib_ah *ah);
-	struct ib_srq *            (*create_srq)(struct ib_pd *pd,
-						 struct ib_srq_init_attr *srq_init_attr,
-						 struct ib_udata *udata);
-	int                        (*modify_srq)(struct ib_srq *srq,
-						 struct ib_srq_attr *srq_attr,
-						 enum ib_srq_attr_mask srq_attr_mask,
-						 struct ib_udata *udata);
-	int                        (*query_srq)(struct ib_srq *srq,
-						struct ib_srq_attr *srq_attr);
-	int                        (*destroy_srq)(struct ib_srq *srq);
-	int                        (*post_srq_recv)(struct ib_srq *srq,
-						    const struct ib_recv_wr *recv_wr,
-						    const struct ib_recv_wr **bad_recv_wr);
-	struct ib_qp *             (*create_qp)(struct ib_pd *pd,
-						struct ib_qp_init_attr *qp_init_attr,
-						struct ib_udata *udata);
-	int                        (*modify_qp)(struct ib_qp *qp,
-						struct ib_qp_attr *qp_attr,
-						int qp_attr_mask,
-						struct ib_udata *udata);
-	int                        (*query_qp)(struct ib_qp *qp,
-					       struct ib_qp_attr *qp_attr,
-					       int qp_attr_mask,
-					       struct ib_qp_init_attr *qp_init_attr);
-	int                        (*destroy_qp)(struct ib_qp *qp);
-	int                        (*post_send)(struct ib_qp *qp,
-						const struct ib_send_wr *send_wr,
-						const struct ib_send_wr **bad_send_wr);
-	int                        (*post_recv)(struct ib_qp *qp,
-						const struct ib_recv_wr *recv_wr,
-						const struct ib_recv_wr **bad_recv_wr);
-	struct ib_cq *             (*create_cq)(struct ib_device *device,
-						const struct ib_cq_init_attr *attr,
-						struct ib_ucontext *context,
-						struct ib_udata *udata);
-	int                        (*modify_cq)(struct ib_cq *cq, u16 cq_count,
-						u16 cq_period);
-	int                        (*destroy_cq)(struct ib_cq *cq);
-	int                        (*resize_cq)(struct ib_cq *cq, int cqe,
-						struct ib_udata *udata);
-	int                        (*poll_cq)(struct ib_cq *cq, int num_entries,
-					      struct ib_wc *wc);
-	int                        (*peek_cq)(struct ib_cq *cq, int wc_cnt);
-	int                        (*req_notify_cq)(struct ib_cq *cq,
-						    enum ib_cq_notify_flags flags);
-	int                        (*req_ncomp_notif)(struct ib_cq *cq,
-						      int wc_cnt);
-	struct ib_mr *             (*get_dma_mr)(struct ib_pd *pd,
-						 int mr_access_flags);
-	struct ib_mr *             (*reg_user_mr)(struct ib_pd *pd,
-						  u64 start, u64 length,
-						  u64 virt_addr,
-						  int mr_access_flags,
-						  struct ib_udata *udata);
-	int			   (*rereg_user_mr)(struct ib_mr *mr,
-						    int flags,
-						    u64 start, u64 length,
-						    u64 virt_addr,
-						    int mr_access_flags,
-						    struct ib_pd *pd,
-						    struct ib_udata *udata);
-	int                        (*dereg_mr)(struct ib_mr *mr);
-	struct ib_mr *		   (*alloc_mr)(struct ib_pd *pd,
-					       enum ib_mr_type mr_type,
-					       u32 max_num_sg);
-	int                        (*map_mr_sg)(struct ib_mr *mr,
-						struct scatterlist *sg,
-						int sg_nents,
-						unsigned int *sg_offset);
-	struct ib_mw *             (*alloc_mw)(struct ib_pd *pd,
-					       enum ib_mw_type type,
-					       struct ib_udata *udata);
-	int                        (*dealloc_mw)(struct ib_mw *mw);
-	struct ib_fmr *	           (*alloc_fmr)(struct ib_pd *pd,
-						int mr_access_flags,
-						struct ib_fmr_attr *fmr_attr);
-	int		           (*map_phys_fmr)(struct ib_fmr *fmr,
-						   u64 *page_list, int list_len,
-						   u64 iova);
-	int		           (*unmap_fmr)(struct list_head *fmr_list);
-	int		           (*dealloc_fmr)(struct ib_fmr *fmr);
-	int                        (*attach_mcast)(struct ib_qp *qp,
-						   union ib_gid *gid,
-						   u16 lid);
-	int                        (*detach_mcast)(struct ib_qp *qp,
-						   union ib_gid *gid,
-						   u16 lid);
-	int                        (*process_mad)(struct ib_device *device,
-						  int process_mad_flags,
-						  u8 port_num,
-						  const struct ib_wc *in_wc,
-						  const struct ib_grh *in_grh,
-						  const struct ib_mad_hdr *in_mad,
-						  size_t in_mad_size,
-						  struct ib_mad_hdr *out_mad,
-						  size_t *out_mad_size,
-						  u16 *out_mad_pkey_index);
-	struct ib_xrcd *	   (*alloc_xrcd)(struct ib_device *device,
-						 struct ib_ucontext *ucontext,
-						 struct ib_udata *udata);
-	int			   (*dealloc_xrcd)(struct ib_xrcd *xrcd);
-	struct ib_flow *	   (*create_flow)(struct ib_qp *qp,
-						  struct ib_flow_attr
-						  *flow_attr,
-						  int domain,
-						  struct ib_udata *udata);
-	int			   (*destroy_flow)(struct ib_flow *flow_id);
-	int			   (*check_mr_status)(struct ib_mr *mr, u32 check_mask,
-						      struct ib_mr_status *mr_status);
-	void			   (*disassociate_ucontext)(struct ib_ucontext *ibcontext);
-	void			   (*drain_rq)(struct ib_qp *qp);
-	void			   (*drain_sq)(struct ib_qp *qp);
-	int			   (*set_vf_link_state)(struct ib_device *device, int vf, u8 port,
-							int state);
-	int			   (*get_vf_config)(struct ib_device *device, int vf, u8 port,
-						   struct ifla_vf_info *ivf);
-	int			   (*get_vf_stats)(struct ib_device *device, int vf, u8 port,
-						   struct ifla_vf_stats *stats);
-	int			   (*set_vf_guid)(struct ib_device *device, int vf, u8 port, u64 guid,
-						  int type);
-	struct ib_wq *		   (*create_wq)(struct ib_pd *pd,
-						struct ib_wq_init_attr *init_attr,
-						struct ib_udata *udata);
-	int			   (*destroy_wq)(struct ib_wq *wq);
-	int			   (*modify_wq)(struct ib_wq *wq,
-						struct ib_wq_attr *attr,
-						u32 wq_attr_mask,
-						struct ib_udata *udata);
-	struct ib_rwq_ind_table *  (*create_rwq_ind_table)(struct ib_device *device,
-							   struct ib_rwq_ind_table_init_attr *init_attr,
-							   struct ib_udata *udata);
-	int                        (*destroy_rwq_ind_table)(struct ib_rwq_ind_table *wq_ind_table);
-	struct ib_flow_action *	   (*create_flow_action_esp)(struct ib_device *device,
-							     const struct ib_flow_action_attrs_esp *attr,
-							     struct uverbs_attr_bundle *attrs);
-	int			   (*destroy_flow_action)(struct ib_flow_action *action);
-	int			   (*modify_flow_action_esp)(struct ib_flow_action *action,
-							     const struct ib_flow_action_attrs_esp *attr,
-							     struct uverbs_attr_bundle *attrs);
-	struct ib_dm *             (*alloc_dm)(struct ib_device *device,
-					       struct ib_ucontext *context,
-					       struct ib_dm_alloc_attr *attr,
-					       struct uverbs_attr_bundle *attrs);
-	int                        (*dealloc_dm)(struct ib_dm *dm);
-	struct ib_mr *             (*reg_dm_mr)(struct ib_pd *pd, struct ib_dm *dm,
-						struct ib_dm_mr_attr *attr,
-						struct uverbs_attr_bundle *attrs);
-	struct ib_counters *	(*create_counters)(struct ib_device *device,
-						   struct uverbs_attr_bundle *attrs);
-	int	(*destroy_counters)(struct ib_counters	*counters);
-	int	(*read_counters)(struct ib_counters *counters,
-				 struct ib_counters_read_attr *counters_read_attr,
-				 struct uverbs_attr_bundle *attrs);
-
-	/**
-	 * rdma netdev operation
-	 *
-	 * Driver implementing alloc_rdma_netdev or rdma_netdev_get_params
-	 * must return -EOPNOTSUPP if it doesn't support the specified type.
-	 */
-	struct net_device *(*alloc_rdma_netdev)(
-					struct ib_device *device,
-					u8 port_num,
-					enum rdma_netdev_t type,
-					const char *name,
-					unsigned char name_assign_type,
-					void (*setup)(struct net_device *));
-
-	int (*rdma_netdev_get_params)(struct ib_device *device, u8 port_num,
-				      enum rdma_netdev_t type,
-				      struct rdma_netdev_alloc_params *params);
-
 	struct module               *owner;
 	struct device                dev;
 	/* First group for device attributes,
@@ -2840,17 +2573,6 @@ struct ib_device {
 	 */
 	struct rdma_restrack_root     res;
 
-	/**
-	 * The following mandatory functions are used only at device
-	 * registration.  Keep functions such as these at the end of this
-	 * structure to avoid cache line misses when accessing struct ib_device
-	 * in fast paths.
-	 */
-	int (*get_port_immutable)(struct ib_device *, u8, struct ib_port_immutable *);
-	void (*get_dev_fw_str)(struct ib_device *, char *str);
-	const struct cpumask *(*get_vector_affinity)(struct ib_device *ibdev,
-						     int comp_vector);
-
 	const struct uapi_definition   *driver_def;
 	enum rdma_driver_id		driver_id;
 	/*
@@ -3365,7 +3087,7 @@ static inline bool rdma_cap_roce_gid_table(const struct ib_device *device,
 					   u8 port_num)
 {
 	return rdma_protocol_roce(device, port_num) &&
-		device->add_gid && device->del_gid;
+		device->ops.add_gid && device->ops.del_gid;
 }
 
 /*
@@ -3589,7 +3311,8 @@ static inline int ib_post_srq_recv(struct ib_srq *srq,
 {
 	const struct ib_recv_wr *dummy;
 
-	return srq->device->post_srq_recv(srq, recv_wr, bad_recv_wr ? : &dummy);
+	return srq->device->ops.post_srq_recv(srq, recv_wr,
+					      bad_recv_wr ? : &dummy);
 }
 
 /**
@@ -3692,7 +3415,7 @@ static inline int ib_post_send(struct ib_qp *qp,
 {
 	const struct ib_send_wr *dummy;
 
-	return qp->device->post_send(qp, send_wr, bad_send_wr ? : &dummy);
+	return qp->device->ops.post_send(qp, send_wr, bad_send_wr ? : &dummy);
 }
 
 /**
@@ -3709,7 +3432,7 @@ static inline int ib_post_recv(struct ib_qp *qp,
 {
 	const struct ib_recv_wr *dummy;
 
-	return qp->device->post_recv(qp, recv_wr, bad_recv_wr ? : &dummy);
+	return qp->device->ops.post_recv(qp, recv_wr, bad_recv_wr ? : &dummy);
 }
 
 struct ib_cq *__ib_alloc_cq(struct ib_device *dev, void *private,
@@ -3782,7 +3505,7 @@ int ib_destroy_cq(struct ib_cq *cq);
 static inline int ib_poll_cq(struct ib_cq *cq, int num_entries,
 			     struct ib_wc *wc)
 {
-	return cq->device->poll_cq(cq, num_entries, wc);
+	return cq->device->ops.poll_cq(cq, num_entries, wc);
 }
 
 /**
@@ -3815,7 +3538,7 @@ static inline int ib_poll_cq(struct ib_cq *cq, int num_entries,
 static inline int ib_req_notify_cq(struct ib_cq *cq,
 				   enum ib_cq_notify_flags flags)
 {
-	return cq->device->req_notify_cq(cq, flags);
+	return cq->device->ops.req_notify_cq(cq, flags);
 }
 
 /**
@@ -3827,8 +3550,8 @@ static inline int ib_req_notify_cq(struct ib_cq *cq,
  */
 static inline int ib_req_ncomp_notif(struct ib_cq *cq, int wc_cnt)
 {
-	return cq->device->req_ncomp_notif ?
-		cq->device->req_ncomp_notif(cq, wc_cnt) :
+	return cq->device->ops.req_ncomp_notif ?
+		cq->device->ops.req_ncomp_notif(cq, wc_cnt) :
 		-ENOSYS;
 }
 
@@ -4092,7 +3815,7 @@ static inline int ib_map_phys_fmr(struct ib_fmr *fmr,
 				  u64 *page_list, int list_len,
 				  u64 iova)
 {
-	return fmr->device->map_phys_fmr(fmr, page_list, list_len, iova);
+	return fmr->device->ops.map_phys_fmr(fmr, page_list, list_len, iova);
 }
 
 /**
@@ -4445,10 +4168,10 @@ static inline const struct cpumask *
 ib_get_vector_affinity(struct ib_device *device, int comp_vector)
 {
 	if (comp_vector < 0 || comp_vector >= device->num_comp_vectors ||
-	    !device->get_vector_affinity)
+	    !device->ops.get_vector_affinity)
 		return NULL;
 
-	return device->get_vector_affinity(device, comp_vector);
+	return device->ops.get_vector_affinity(device, comp_vector);
 
 }
 

include/rdma/uverbs_ioctl.h

@@ -419,10 +419,10 @@ struct uapi_definition {
 		.kind = UAPI_DEF_IS_SUPPORTED_DEV_FN,                          \
 		.scope = UAPI_SCOPE_OBJECT,                                    \
 		.needs_fn_offset =                                             \
-			offsetof(struct ib_device, ibdev_fn) +                 \
+			offsetof(struct ib_device_ops, ibdev_fn) +             \
 			BUILD_BUG_ON_ZERO(                                     \
-				sizeof(((struct ib_device *)0)->ibdev_fn) !=   \
-				sizeof(void *)),                               \
+			    sizeof(((struct ib_device_ops *)0)->ibdev_fn) !=   \
+			    sizeof(void *)),				       \
 	}
 
 /*
@@ -434,10 +434,10 @@ struct uapi_definition {
 		.kind = UAPI_DEF_IS_SUPPORTED_DEV_FN,                          \
 		.scope = UAPI_SCOPE_METHOD,                                    \
 		.needs_fn_offset =                                             \
-			offsetof(struct ib_device, ibdev_fn) +                 \
+			offsetof(struct ib_device_ops, ibdev_fn) +             \
 			BUILD_BUG_ON_ZERO(                                     \
-				sizeof(((struct ib_device *)0)->ibdev_fn) !=   \
-				sizeof(void *)),                               \
+			    sizeof(((struct ib_device_ops *)0)->ibdev_fn) !=   \
+			    sizeof(void *)),                                   \
 	}
 
 /* Call a function to determine if the entire object is supported or not */

net/rds/ib.c

@@ -148,8 +148,8 @@ static void rds_ib_add_one(struct ib_device *device)
 
 	has_fr = (device->attrs.device_cap_flags &
 		  IB_DEVICE_MEM_MGT_EXTENSIONS);
-	has_fmr = (device->alloc_fmr && device->dealloc_fmr &&
-		   device->map_phys_fmr && device->unmap_fmr);
+	has_fmr = (device->ops.alloc_fmr && device->ops.dealloc_fmr &&
+		   device->ops.map_phys_fmr && device->ops.unmap_fmr);
 	rds_ibdev->use_fastreg = (has_fr && !has_fmr);
 
 	rds_ibdev->fmr_max_remaps = device->attrs.max_map_per_fmr?: 32;

net/sunrpc/xprtrdma/fmr_ops.c

@@ -41,7 +41,7 @@ enum {
 bool
 fmr_is_supported(struct rpcrdma_ia *ia)
 {
-	if (!ia->ri_device->alloc_fmr) {
+	if (!ia->ri_device->ops.alloc_fmr) {
 		pr_info("rpcrdma: 'fmr' mode is not supported by device %s\n",
 			ia->ri_device->name);
 		return false;