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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/fs/dlm/config.h
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/* SPDX-License-Identifier: GPL-2.0-only */

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/******************************************************************************

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*******************************************************************************

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**

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**  Copyright (C) Sistina Software, Inc.  1997-2003  All rights reserved.

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**  Copyright (C) 2004-2011 Red Hat, Inc.  All rights reserved.

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**

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**

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*******************************************************************************

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******************************************************************************/

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#ifndef __CONFIG_DOT_H__

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#define __CONFIG_DOT_H__

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#define DLM_MAX_SOCKET_BUFSIZE	4096

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struct dlm_config_node {

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	int nodeid;

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	int weight;

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	int new;

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	uint32_t comm_seq;

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};

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extern const struct rhashtable_params dlm_rhash_rsb_params;

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#define DLM_MAX_ADDR_COUNT 8

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#define DLM_PROTO_TCP	0

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#define DLM_PROTO_SCTP	1

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struct dlm_config_info {

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	__be16 ci_tcp_port;

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	unsigned int ci_buffer_size;

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	unsigned int ci_rsbtbl_size;

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	unsigned int ci_recover_timer;

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	unsigned int ci_toss_secs;

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	unsigned int ci_scan_secs;

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	unsigned int ci_log_debug;

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	unsigned int ci_log_info;

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	unsigned int ci_protocol;

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	unsigned int ci_mark;

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	unsigned int ci_new_rsb_count;

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	unsigned int ci_recover_callbacks;

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	char ci_cluster_name[DLM_LOCKSPACE_LEN];

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};

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extern struct dlm_config_info dlm_config;

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int dlm_config_init(void);

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void dlm_config_exit(void);

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int dlm_config_nodes(char *lsname, struct dlm_config_node **nodes_out,

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		     int *count_out);

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int dlm_comm_seq(int nodeid, uint32_t *seq, bool locked);

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int dlm_our_nodeid(void);

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int dlm_our_addr(struct sockaddr_storage *addr, int num);

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#endif				/* __CONFIG_DOT_H__ */

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