1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * RDMA Network Block Driver
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 <linux/types.h>
13 #include <linux/idr.h>
14 #include <linux/kref.h>
17 #include "rnbd-proto.h"
20 struct rnbd_srv_session {
21 /* Entry inside global sess_list */
22 struct list_head list;
23 struct rtrs_srv_sess *rtrs;
24 char sessname[NAME_MAX];
27 struct xarray index_idr;
33 /* Entry inside global dev_list */
34 struct list_head list;
35 struct kobject dev_kobj;
36 struct kobject *dev_sessions_kobj;
39 /* List of rnbd_srv_sess_dev structs */
40 struct list_head sess_dev_list;
45 /* Structure which binds N devices and N sessions */
46 struct rnbd_srv_sess_dev {
47 /* Entry inside rnbd_srv_dev struct */
48 struct list_head dev_list;
49 struct block_device *bdev;
50 struct rnbd_srv_session *sess;
51 struct rnbd_srv_dev *dev;
57 struct completion *destroy_comp;
58 char pathname[NAME_MAX];
59 enum rnbd_access_mode access_mode;
62 void rnbd_srv_sess_dev_force_close(struct rnbd_srv_sess_dev *sess_dev,
63 struct kobj_attribute *attr);
64 /* rnbd-srv-sysfs.c */
66 int rnbd_srv_create_dev_sysfs(struct rnbd_srv_dev *dev,
67 struct block_device *bdev);
68 void rnbd_srv_destroy_dev_sysfs(struct rnbd_srv_dev *dev);
69 int rnbd_srv_create_dev_session_sysfs(struct rnbd_srv_sess_dev *sess_dev);
70 void rnbd_srv_destroy_dev_session_sysfs(struct rnbd_srv_sess_dev *sess_dev);
71 int rnbd_srv_create_sysfs_files(void);
72 void rnbd_srv_destroy_sysfs_files(void);
73 void rnbd_destroy_sess_dev(struct rnbd_srv_sess_dev *sess_dev, bool keep_id);
75 #endif /* RNBD_SRV_H */