Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /* -*- mode: c; c-basic-offset: 8; -*-
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * vim: noexpandtab sw=8 ts=8 sts=0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * nodemanager.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Function prototypes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * Copyright (C) 2004 Oracle.  All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #ifndef O2CLUSTER_NODEMANAGER_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define O2CLUSTER_NODEMANAGER_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "ocfs2_nodemanager.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) /* This totally doesn't belong here. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/configfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/rbtree.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) enum o2nm_fence_method {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	O2NM_FENCE_RESET	= 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	O2NM_FENCE_PANIC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	O2NM_FENCE_METHODS,	/* Number of fence methods */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) struct o2nm_node {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	spinlock_t		nd_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	struct config_item	nd_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	char			nd_name[O2NM_MAX_NAME_LEN+1]; /* replace? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	__u8			nd_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	/* only one address per node, as attributes, for now. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	__be32			nd_ipv4_address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	__be16			nd_ipv4_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	struct rb_node		nd_ip_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	/* there can be only one local node for now */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	int			nd_local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	unsigned long		nd_set_attributes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct o2nm_cluster {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	struct config_group	cl_group;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	unsigned		cl_has_local:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	u8			cl_local_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	rwlock_t		cl_nodes_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	struct o2nm_node  	*cl_nodes[O2NM_MAX_NODES];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	struct rb_root		cl_node_ip_tree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	unsigned int		cl_idle_timeout_ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	unsigned int		cl_keepalive_delay_ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	unsigned int		cl_reconnect_delay_ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	enum o2nm_fence_method	cl_fence_method;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	/* this bitmap is part of a hack for disk bitmap.. will go eventually. - zab */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	unsigned long	cl_nodes_bitmap[BITS_TO_LONGS(O2NM_MAX_NODES)];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) extern struct o2nm_cluster *o2nm_single_cluster;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) u8 o2nm_this_node(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) int o2nm_configured_node_map(unsigned long *map, unsigned bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) struct o2nm_node *o2nm_get_node_by_num(u8 node_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) struct o2nm_node *o2nm_get_node_by_ip(__be32 addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) void o2nm_node_get(struct o2nm_node *node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) void o2nm_node_put(struct o2nm_node *node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) int o2nm_depend_item(struct config_item *item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) void o2nm_undepend_item(struct config_item *item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) int o2nm_depend_this_node(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) void o2nm_undepend_this_node(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #endif /* O2CLUSTER_NODEMANAGER_H */