1 // SPDX-License-Identifier: GPL-2.0-or-later
5  * Copyright (c) 2014 - 2018 ProfitBricks GmbH. All rights reserved.
6  * Copyright (c) 2018 - 2019 1&1 IONOS Cloud GmbH. All rights reserved.
7  * Copyright (c) 2019 - 2020 1&1 IONOS SE. All rights reserved.
12 #include "rtrs-pri.h"
13 #include "rtrs-srv.h"
14 #include "rtrs-log.h"
30 					struct kobj_attribute *attr, char *buf)  in rtrs_srv_disconnect_show()  argument
32 	return sysfs_emit(buf, "Usage: echo 1 > %s\n", attr->attr.name);  in rtrs_srv_disconnect_show()
36 					  struct kobj_attribute *attr,  in rtrs_srv_disconnect_store()  argument
44 	s = &srv_path->s;  in rtrs_srv_disconnect_store()
47 			  attr->attr.name, buf);  in rtrs_srv_disconnect_store()
48 		return -EINVAL;  in rtrs_srv_disconnect_store()
51 	sockaddr_to_str((struct sockaddr *)&srv_path->s.dst_addr, str,  in rtrs_srv_disconnect_store()
56 	sysfs_remove_file_self(&srv_path->kobj, &attr->attr);  in rtrs_srv_disconnect_store()
67 				       struct kobj_attribute *attr,  in rtrs_srv_hca_port_show()  argument
74 	usr_con = srv_path->s.con[0];  in rtrs_srv_hca_port_show()
76 	return sysfs_emit(page, "%u\n", usr_con->cm_id->port_num);  in rtrs_srv_hca_port_show()
83 				       struct kobj_attribute *attr,  in rtrs_srv_hca_name_show()  argument
90 	return sysfs_emit(page, "%s\n", srv_path->s.dev->ib_dev->name);  in rtrs_srv_hca_name_show()
97 				       struct kobj_attribute *attr,  in rtrs_srv_src_addr_show()  argument
101 	int cnt;  in rtrs_srv_src_addr_show()  local
104 	cnt = sockaddr_to_str((struct sockaddr *)&srv_path->s.dst_addr,  in rtrs_srv_src_addr_show()
106 	return cnt + sysfs_emit_at(page, cnt, "\n");  in rtrs_srv_src_addr_show()
113 				       struct kobj_attribute *attr,  in rtrs_srv_dst_addr_show()  argument
120 	len = sockaddr_to_str((struct sockaddr *)&srv_path->s.src_addr, page,  in rtrs_srv_dst_addr_show()
130 	&rtrs_srv_hca_name_attr.attr,
131 	&rtrs_srv_hca_port_attr.attr,
132 	&rtrs_srv_src_addr_attr.attr,
133 	&rtrs_srv_dst_addr_attr.attr,
134 	&rtrs_srv_disconnect_attr.attr,
147 	&rdma_attr.attr,
157 	struct rtrs_srv_sess *srv = srv_path->srv;  in rtrs_srv_create_once_sysfs_root_folders()
160 	mutex_lock(&srv->paths_mutex);  in rtrs_srv_create_once_sysfs_root_folders()
161 	if (srv->dev_ref++) {  in rtrs_srv_create_once_sysfs_root_folders()
167 	srv->dev.class = &rtrs_dev_class;  in rtrs_srv_create_once_sysfs_root_folders()
168 	err = dev_set_name(&srv->dev, "%s", srv_path->s.sessname);  in rtrs_srv_create_once_sysfs_root_folders()
176 	dev_set_uevent_suppress(&srv->dev, true);  in rtrs_srv_create_once_sysfs_root_folders()
177 	err = device_add(&srv->dev);  in rtrs_srv_create_once_sysfs_root_folders()
180 		put_device(&srv->dev);  in rtrs_srv_create_once_sysfs_root_folders()
183 	srv->kobj_paths = kobject_create_and_add("paths", &srv->dev.kobj);  in rtrs_srv_create_once_sysfs_root_folders()
184 	if (!srv->kobj_paths) {  in rtrs_srv_create_once_sysfs_root_folders()
185 		err = -ENOMEM;  in rtrs_srv_create_once_sysfs_root_folders()
187 		device_del(&srv->dev);  in rtrs_srv_create_once_sysfs_root_folders()
188 		put_device(&srv->dev);  in rtrs_srv_create_once_sysfs_root_folders()
191 	dev_set_uevent_suppress(&srv->dev, false);  in rtrs_srv_create_once_sysfs_root_folders()
192 	kobject_uevent(&srv->dev.kobj, KOBJ_ADD);  in rtrs_srv_create_once_sysfs_root_folders()
194 	mutex_unlock(&srv->paths_mutex);  in rtrs_srv_create_once_sysfs_root_folders()
202 	struct rtrs_srv_sess *srv = srv_path->srv;  in rtrs_srv_destroy_once_sysfs_root_folders()
204 	mutex_lock(&srv->paths_mutex);  in rtrs_srv_destroy_once_sysfs_root_folders()
205 	if (!--srv->dev_ref) {  in rtrs_srv_destroy_once_sysfs_root_folders()
206 		kobject_put(srv->kobj_paths);  in rtrs_srv_destroy_once_sysfs_root_folders()
207 		mutex_unlock(&srv->paths_mutex);  in rtrs_srv_destroy_once_sysfs_root_folders()
208 		device_del(&srv->dev);  in rtrs_srv_destroy_once_sysfs_root_folders()
209 		put_device(&srv->dev);  in rtrs_srv_destroy_once_sysfs_root_folders()
211 		put_device(&srv->dev);  in rtrs_srv_destroy_once_sysfs_root_folders()
212 		mutex_unlock(&srv->paths_mutex);  in rtrs_srv_destroy_once_sysfs_root_folders()
222 	free_percpu(stats->rdma_stats);  in rtrs_srv_path_stats_release()
235 	struct rtrs_path *s = &srv_path->s;  in rtrs_srv_create_stats_files()
237 	err = kobject_init_and_add(&srv_path->stats->kobj_stats, &ktype_stats,  in rtrs_srv_create_stats_files()
238 				   &srv_path->kobj, "stats");  in rtrs_srv_create_stats_files()
241 		kobject_put(&srv_path->stats->kobj_stats);  in rtrs_srv_create_stats_files()
244 	err = sysfs_create_group(&srv_path->stats->kobj_stats,  in rtrs_srv_create_stats_files()
254 	kobject_del(&srv_path->stats->kobj_stats);  in rtrs_srv_create_stats_files()
255 	kobject_put(&srv_path->stats->kobj_stats);  in rtrs_srv_create_stats_files()
262 	struct rtrs_srv_sess *srv = srv_path->srv;  in rtrs_srv_create_path_files()
263 	struct rtrs_path *s = &srv_path->s;  in rtrs_srv_create_path_files()
267 		.src = &srv_path->s.dst_addr,  in rtrs_srv_create_path_files()
268 		.dst = &srv_path->s.src_addr,  in rtrs_srv_create_path_files()
276 	err = kobject_init_and_add(&srv_path->kobj, &ktype, srv->kobj_paths,  in rtrs_srv_create_path_files()
282 	err = sysfs_create_group(&srv_path->kobj, &rtrs_srv_path_attr_group);  in rtrs_srv_create_path_files()
294 	sysfs_remove_group(&srv_path->kobj, &rtrs_srv_path_attr_group);  in rtrs_srv_create_path_files()
296 	kobject_del(&srv_path->kobj);  in rtrs_srv_create_path_files()
298 	kobject_put(&srv_path->kobj);  in rtrs_srv_create_path_files()
306 	if (srv_path->stats->kobj_stats.state_in_sysfs) {  in rtrs_srv_destroy_path_files()
307 		sysfs_remove_group(&srv_path->stats->kobj_stats,  in rtrs_srv_destroy_path_files()
309 		kobject_del(&srv_path->stats->kobj_stats);  in rtrs_srv_destroy_path_files()
310 		kobject_put(&srv_path->stats->kobj_stats);  in rtrs_srv_destroy_path_files()
313 	if (srv_path->kobj.state_in_sysfs) {  in rtrs_srv_destroy_path_files()
314 		sysfs_remove_group(&srv_path->kobj, &rtrs_srv_path_attr_group);  in rtrs_srv_destroy_path_files()
315 		kobject_put(&srv_path->kobj);  in rtrs_srv_destroy_path_files()