1 /* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
8 * Copyright (C) 2004 Oracle. All rights reserved.
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public
12 * License as published by the Free Software Foundation; either
13 * version 2 of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public
21 * License along with this program; if not, write to the
22 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 * Boston, MA 021110-1307, USA.
27 #ifndef O2CLUSTER_NODEMANAGER_H
28 #define O2CLUSTER_NODEMANAGER_H
30 #include "ocfs2_nodemanager.h"
32 /* This totally doesn't belong here. */
33 #include <linux/configfs.h>
34 #include <linux/rbtree.h>
38 struct config_item nd_item;
39 char nd_name[O2NM_MAX_NAME_LEN+1]; /* replace? */
41 /* only one address per node, as attributes, for now. */
42 __be32 nd_ipv4_address;
44 struct rb_node nd_ip_node;
45 /* there can be only one local node for now */
48 unsigned long nd_set_attributes;
52 struct config_group cl_group;
53 unsigned cl_has_local:1;
55 rwlock_t cl_nodes_lock;
56 struct o2nm_node *cl_nodes[O2NM_MAX_NODES];
57 struct rb_root cl_node_ip_tree;
58 unsigned int cl_idle_timeout_ms;
59 unsigned int cl_keepalive_delay_ms;
60 unsigned int cl_reconnect_delay_ms;
62 /* this bitmap is part of a hack for disk bitmap.. will go eventually. - zab */
63 unsigned long cl_nodes_bitmap[BITS_TO_LONGS(O2NM_MAX_NODES)];
66 extern struct o2nm_cluster *o2nm_single_cluster;
68 u8 o2nm_this_node(void);
70 int o2nm_configured_node_map(unsigned long *map, unsigned bytes);
71 struct o2nm_node *o2nm_get_node_by_num(u8 node_num);
72 struct o2nm_node *o2nm_get_node_by_ip(__be32 addr);
73 void o2nm_node_get(struct o2nm_node *node);
74 void o2nm_node_put(struct o2nm_node *node);
76 int o2nm_depend_item(struct config_item *item);
77 void o2nm_undepend_item(struct config_item *item);
78 int o2nm_depend_this_node(void);
79 void o2nm_undepend_this_node(void);
81 #endif /* O2CLUSTER_NODEMANAGER_H */