xref: /linux/fs/smb/server/server.h (revision 55d0969c451159cff86949b38c39171cab962069)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  *   Copyright (C) 2018 Samsung Electronics Co., Ltd.
4  */
5 
6 #ifndef __SERVER_H__
7 #define __SERVER_H__
8 
9 #include "smbacl.h"
10 
11 /*
12  * Server state type
13  */
14 enum {
15 	SERVER_STATE_STARTING_UP,
16 	SERVER_STATE_RUNNING,
17 	SERVER_STATE_RESETTING,
18 	SERVER_STATE_SHUTTING_DOWN,
19 };
20 
21 /*
22  * Server global config string index
23  */
24 enum {
25 	SERVER_CONF_NETBIOS_NAME,
26 	SERVER_CONF_SERVER_STRING,
27 	SERVER_CONF_WORK_GROUP,
28 };
29 
30 struct ksmbd_server_config {
31 	unsigned int		flags;
32 	unsigned int		state;
33 	short			signing;
34 	short			enforced_signing;
35 	short			min_protocol;
36 	short			max_protocol;
37 	unsigned short		tcp_port;
38 	unsigned short		ipc_timeout;
39 	unsigned long		ipc_last_active;
40 	unsigned long		deadtime;
41 	unsigned int		share_fake_fscaps;
42 	struct smb_sid		domain_sid;
43 	unsigned int		auth_mechs;
44 	unsigned int		max_connections;
45 
46 	char			*conf[SERVER_CONF_WORK_GROUP + 1];
47 	struct task_struct	*dh_task;
48 };
49 
50 extern struct ksmbd_server_config server_conf;
51 
52 int ksmbd_set_netbios_name(char *v);
53 int ksmbd_set_server_string(char *v);
54 int ksmbd_set_work_group(char *v);
55 
56 char *ksmbd_netbios_name(void);
57 char *ksmbd_server_string(void);
58 char *ksmbd_work_group(void);
59 
60 static inline int ksmbd_server_running(void)
61 {
62 	return READ_ONCE(server_conf.state) == SERVER_STATE_RUNNING;
63 }
64 
65 static inline int ksmbd_server_configurable(void)
66 {
67 	return READ_ONCE(server_conf.state) < SERVER_STATE_RESETTING;
68 }
69 
70 int server_queue_ctrl_init_work(void);
71 int server_queue_ctrl_reset_work(void);
72 #endif /* __SERVER_H__ */
73