1 // SPDX-License-Identifier: GPL-2.0+
2 // Copyright (c) 2016-2017 Hisilicon Limited.
14  * list. This is a non-critical code so other updations, if happen
28 void hnae3_set_client_init_flag(struct hnae3_client *client,  in hnae3_set_client_init_flag()  argument
32 	if (!client || !ae_dev)  in hnae3_set_client_init_flag()
35 	switch (client->type) {  in hnae3_set_client_init_flag()
37 		hnae3_set_bit(ae_dev->flag, HNAE3_KNIC_CLIENT_INITED_B, inited);  in hnae3_set_client_init_flag()
40 		hnae3_set_bit(ae_dev->flag, HNAE3_ROCE_CLIENT_INITED_B, inited);  in hnae3_set_client_init_flag()
48 static int hnae3_get_client_init_flag(struct hnae3_client *client,  in hnae3_get_client_init_flag()  argument
53 	switch (client->type) {  in hnae3_get_client_init_flag()
55 		inited = hnae3_get_bit(ae_dev->flag,  in hnae3_get_client_init_flag()
59 		inited = hnae3_get_bit(ae_dev->flag,  in hnae3_get_client_init_flag()
69 static int hnae3_init_client_instance(struct hnae3_client *client,  in hnae3_init_client_instance()  argument
74 	/* check if this client matches the type of ae_dev */  in hnae3_init_client_instance()
75 	if (!(hnae3_client_match(client->type) &&  in hnae3_init_client_instance()
76 	      hnae3_get_bit(ae_dev->flag, HNAE3_DEV_INITED_B))) {  in hnae3_init_client_instance()
80 	ret = ae_dev->ops->init_client_instance(client, ae_dev);  in hnae3_init_client_instance()
82 		dev_err(&ae_dev->pdev->dev,  in hnae3_init_client_instance()
83 			"fail to instantiate client, ret = %d\n", ret);  in hnae3_init_client_instance()
88 static void hnae3_uninit_client_instance(struct hnae3_client *client,  in hnae3_uninit_client_instance()  argument
91 	/* check if this client matches the type of ae_dev */  in hnae3_uninit_client_instance()
92 	if (!(hnae3_client_match(client->type) &&  in hnae3_uninit_client_instance()
93 	      hnae3_get_bit(ae_dev->flag, HNAE3_DEV_INITED_B)))  in hnae3_uninit_client_instance()
96 	if (hnae3_get_client_init_flag(client, ae_dev)) {  in hnae3_uninit_client_instance()
97 		ae_dev->ops->uninit_client_instance(client, ae_dev);  in hnae3_uninit_client_instance()
99 		hnae3_set_client_init_flag(client, ae_dev, 0);  in hnae3_uninit_client_instance()
103 int hnae3_register_client(struct hnae3_client *client)  in hnae3_register_client()  argument
108 	if (!client)  in hnae3_register_client()
109 		return -ENODEV;  in hnae3_register_client()
112 	/* one system should only have one client for every type */  in hnae3_register_client()
114 		if (client_tmp->type == client->type)  in hnae3_register_client()
118 	list_add_tail(&client->node, &hnae3_client_list);  in hnae3_register_client()
120 	/* initialize the client on every matched port */  in hnae3_register_client()
122 		/* if the client could not be initialized on current port, for  in hnae3_register_client()
125 		int ret = hnae3_init_client_instance(client, ae_dev);  in hnae3_register_client()
127 			dev_err(&ae_dev->pdev->dev,  in hnae3_register_client()
139 void hnae3_unregister_client(struct hnae3_client *client)  in hnae3_unregister_client()  argument
145 	if (!client)  in hnae3_unregister_client()
149 	/* one system should only have one client for every type */  in hnae3_unregister_client()
151 		if (client_tmp->type == client->type) {  in hnae3_unregister_client()
159 		pr_err("client %s does not exist!\n", client->name);  in hnae3_unregister_client()
163 	/* un-initialize the client on every matched port */  in hnae3_unregister_client()
165 		hnae3_uninit_client_instance(client, ae_dev);  in hnae3_unregister_client()
168 	list_del(&client->node);  in hnae3_unregister_client()
173 /* hnae3_register_ae_algo - register a AE algorithm to hnae3 framework
179 	const struct pci_device_id *id;  in hnae3_register_ae_algo()  local
181 	struct hnae3_client *client;  in hnae3_register_ae_algo()  local
189 	list_add_tail(&ae_algo->node, &hnae3_ae_algo_list);  in hnae3_register_ae_algo()
193 		id = pci_match_id(ae_algo->pdev_id_table, ae_dev->pdev);  in hnae3_register_ae_algo()
194 		if (!id)  in hnae3_register_ae_algo()
197 		if (!ae_algo->ops) {  in hnae3_register_ae_algo()
198 			dev_err(&ae_dev->pdev->dev, "ae_algo ops are null\n");  in hnae3_register_ae_algo()
201 		ae_dev->ops = ae_algo->ops;  in hnae3_register_ae_algo()
203 		ret = ae_algo->ops->init_ae_dev(ae_dev);  in hnae3_register_ae_algo()
205 			dev_err(&ae_dev->pdev->dev,  in hnae3_register_ae_algo()
211 		hnae3_set_bit(ae_dev->flag, HNAE3_DEV_INITED_B, 1);  in hnae3_register_ae_algo()
213 		/* check the client list for the match with this ae_dev type and  in hnae3_register_ae_algo()
214 		 * initialize the figure out client instance  in hnae3_register_ae_algo()
216 		list_for_each_entry(client, &hnae3_client_list, node) {  in hnae3_register_ae_algo()
217 			ret = hnae3_init_client_instance(client, ae_dev);  in hnae3_register_ae_algo()
219 				dev_err(&ae_dev->pdev->dev,  in hnae3_register_ae_algo()
229 /* hnae3_unregister_ae_algo - unregisters a AE algorithm
234 	const struct pci_device_id *id;  in hnae3_unregister_ae_algo()  local
236 	struct hnae3_client *client;  in hnae3_unregister_ae_algo()  local
244 		if (!hnae3_get_bit(ae_dev->flag, HNAE3_DEV_INITED_B))  in hnae3_unregister_ae_algo()
247 		id = pci_match_id(ae_algo->pdev_id_table, ae_dev->pdev);  in hnae3_unregister_ae_algo()
248 		if (!id)  in hnae3_unregister_ae_algo()
251 		/* check the client list for the match with this ae_dev type and  in hnae3_unregister_ae_algo()
252 		 * un-initialize the figure out client instance  in hnae3_unregister_ae_algo()
254 		list_for_each_entry(client, &hnae3_client_list, node)  in hnae3_unregister_ae_algo()
255 			hnae3_uninit_client_instance(client, ae_dev);  in hnae3_unregister_ae_algo()
257 		ae_algo->ops->uninit_ae_dev(ae_dev);  in hnae3_unregister_ae_algo()
258 		hnae3_set_bit(ae_dev->flag, HNAE3_DEV_INITED_B, 0);  in hnae3_unregister_ae_algo()
259 		ae_dev->ops = NULL;  in hnae3_unregister_ae_algo()
262 	list_del(&ae_algo->node);  in hnae3_unregister_ae_algo()
267 /* hnae3_register_ae_dev - registers a AE device to hnae3 framework
273 	const struct pci_device_id *id;  in hnae3_register_ae_dev()  local
275 	struct hnae3_client *client;  in hnae3_register_ae_dev()  local
279 		return -ENODEV;  in hnae3_register_ae_dev()
283 	list_add_tail(&ae_dev->node, &hnae3_ae_dev_list);  in hnae3_register_ae_dev()
287 		id = pci_match_id(ae_algo->pdev_id_table, ae_dev->pdev);  in hnae3_register_ae_dev()
288 		if (!id)  in hnae3_register_ae_dev()
291 		if (!ae_algo->ops) {  in hnae3_register_ae_dev()
292 			dev_err(&ae_dev->pdev->dev, "ae_algo ops are null\n");  in hnae3_register_ae_dev()
293 			ret = -EOPNOTSUPP;  in hnae3_register_ae_dev()
296 		ae_dev->ops = ae_algo->ops;  in hnae3_register_ae_dev()
298 		ret = ae_dev->ops->init_ae_dev(ae_dev);  in hnae3_register_ae_dev()
300 			dev_err(&ae_dev->pdev->dev,  in hnae3_register_ae_dev()
306 		hnae3_set_bit(ae_dev->flag, HNAE3_DEV_INITED_B, 1);  in hnae3_register_ae_dev()
310 	/* check the client list for the match with this ae_dev type and  in hnae3_register_ae_dev()
311 	 * initialize the figure out client instance  in hnae3_register_ae_dev()
313 	list_for_each_entry(client, &hnae3_client_list, node) {  in hnae3_register_ae_dev()
314 		ret = hnae3_init_client_instance(client, ae_dev);  in hnae3_register_ae_dev()
316 			dev_err(&ae_dev->pdev->dev,  in hnae3_register_ae_dev()
326 	list_del(&ae_dev->node);  in hnae3_register_ae_dev()
333 /* hnae3_unregister_ae_dev - unregisters a AE device
338 	const struct pci_device_id *id;  in hnae3_unregister_ae_dev()  local
340 	struct hnae3_client *client;  in hnae3_unregister_ae_dev()  local
348 		if (!hnae3_get_bit(ae_dev->flag, HNAE3_DEV_INITED_B))  in hnae3_unregister_ae_dev()
351 		id = pci_match_id(ae_algo->pdev_id_table, ae_dev->pdev);  in hnae3_unregister_ae_dev()
352 		if (!id)  in hnae3_unregister_ae_dev()
355 		list_for_each_entry(client, &hnae3_client_list, node)  in hnae3_unregister_ae_dev()
356 			hnae3_uninit_client_instance(client, ae_dev);  in hnae3_unregister_ae_dev()
358 		ae_algo->ops->uninit_ae_dev(ae_dev);  in hnae3_unregister_ae_dev()
359 		hnae3_set_bit(ae_dev->flag, HNAE3_DEV_INITED_B, 0);  in hnae3_unregister_ae_dev()
360 		ae_dev->ops = NULL;  in hnae3_unregister_ae_dev()
363 	list_del(&ae_dev->node);  in hnae3_unregister_ae_dev()