xref: /linux/fs/dlm/config.h (revision 0da908c291070d89482f6211dbe81d4d43c3f7cb)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /******************************************************************************
3 *******************************************************************************
4 **
5 **  Copyright (C) Sistina Software, Inc.  1997-2003  All rights reserved.
6 **  Copyright (C) 2004-2011 Red Hat, Inc.  All rights reserved.
7 **
8 **
9 *******************************************************************************
10 ******************************************************************************/
11 
12 #ifndef __CONFIG_DOT_H__
13 #define __CONFIG_DOT_H__
14 
15 #define DLM_MAX_SOCKET_BUFSIZE	4096
16 
17 struct dlm_config_node {
18 	int nodeid;
19 	int weight;
20 	int new;
21 	uint32_t comm_seq;
22 };
23 
24 #define DLM_MAX_ADDR_COUNT 3
25 
26 #define DLM_PROTO_TCP	0
27 #define DLM_PROTO_SCTP	1
28 
29 struct dlm_config_info {
30 	int ci_tcp_port;
31 	int ci_buffer_size;
32 	int ci_rsbtbl_size;
33 	int ci_recover_timer;
34 	int ci_toss_secs;
35 	int ci_scan_secs;
36 	int ci_log_debug;
37 	int ci_log_info;
38 	int ci_protocol;
39 	int ci_mark;
40 #ifdef CONFIG_DLM_DEPRECATED_API
41 	int ci_timewarn_cs;
42 #endif
43 	int ci_new_rsb_count;
44 	int ci_recover_callbacks;
45 	char ci_cluster_name[DLM_LOCKSPACE_LEN];
46 };
47 
48 extern struct dlm_config_info dlm_config;
49 
50 int dlm_config_init(void);
51 void dlm_config_exit(void);
52 int dlm_config_nodes(char *lsname, struct dlm_config_node **nodes_out,
53 		     int *count_out);
54 int dlm_comm_seq(int nodeid, uint32_t *seq);
55 int dlm_our_nodeid(void);
56 int dlm_our_addr(struct sockaddr_storage *addr, int num);
57 
58 #endif				/* __CONFIG_DOT_H__ */
59 
60