xref: /linux/fs/dlm/config.h (revision a769648f464c9f453b3dc5c2bb8559b28c5d78a1)
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 	bool gone;
21 	int new;
22 	uint32_t comm_seq;
23 	unsigned int release_recover;
24 };
25 
26 extern const struct rhashtable_params dlm_rhash_rsb_params;
27 
28 #define DLM_MAX_ADDR_COUNT 8
29 
30 #define DLM_PROTO_TCP	0
31 #define DLM_PROTO_SCTP	1
32 
33 struct dlm_config_info {
34 	__be16 ci_tcp_port;
35 	unsigned int ci_buffer_size;
36 	unsigned int ci_rsbtbl_size;
37 	unsigned int ci_recover_timer;
38 	unsigned int ci_toss_secs;
39 	unsigned int ci_scan_secs;
40 	unsigned int ci_log_debug;
41 	unsigned int ci_log_info;
42 	unsigned int ci_protocol;
43 	unsigned int ci_mark;
44 	unsigned int ci_new_rsb_count;
45 	unsigned int ci_recover_callbacks;
46 	char ci_cluster_name[DLM_LOCKSPACE_LEN];
47 };
48 
49 extern struct dlm_config_info dlm_config;
50 
51 int dlm_config_init(void);
52 void dlm_config_exit(void);
53 int dlm_config_nodes(char *lsname, struct dlm_config_node **nodes_out,
54 		     int *count_out);
55 int dlm_comm_seq(int nodeid, uint32_t *seq, bool locked);
56 int dlm_our_nodeid(void);
57 int dlm_our_addr(struct sockaddr_storage *addr, int num);
58 
59 #endif				/* __CONFIG_DOT_H__ */
60 
61