1 /* -*- mode: c; c-basic-offset: 8; -*- 2 * vim: noexpandtab sw=8 ts=8 sts=0: 3 * 4 * nodemanager.h 5 * 6 * Function prototypes 7 * 8 * Copyright (C) 2004 Oracle. All rights reserved. 9 * 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. 14 * 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. 19 * 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. 24 * 25 */ 26 27 #ifndef O2CLUSTER_NODEMANAGER_H 28 #define O2CLUSTER_NODEMANAGER_H 29 30 #include "ocfs2_nodemanager.h" 31 32 /* This totally doesn't belong here. */ 33 #include <linux/configfs.h> 34 #include <linux/rbtree.h> 35 36 #define KERN_OCFS2 988 37 #define KERN_OCFS2_NM 1 38 39 const char *o2nm_get_hb_ctl_path(void); 40 41 struct o2nm_node { 42 spinlock_t nd_lock; 43 struct config_item nd_item; 44 char nd_name[O2NM_MAX_NAME_LEN+1]; /* replace? */ 45 __u8 nd_num; 46 /* only one address per node, as attributes, for now. */ 47 __be32 nd_ipv4_address; 48 __be16 nd_ipv4_port; 49 struct rb_node nd_ip_node; 50 /* there can be only one local node for now */ 51 int nd_local; 52 53 unsigned long nd_set_attributes; 54 }; 55 56 u8 o2nm_this_node(void); 57 58 int o2nm_configured_node_map(unsigned long *map, unsigned bytes); 59 struct o2nm_node *o2nm_get_node_by_num(u8 node_num); 60 struct o2nm_node *o2nm_get_node_by_ip(__be32 addr); 61 void o2nm_node_get(struct o2nm_node *node); 62 void o2nm_node_put(struct o2nm_node *node); 63 64 #endif /* O2CLUSTER_NODEMANAGER_H */ 65