xref: /linux/fs/dlm/lowcomms.h (revision cbafa54aa2ae23939846e150ad4ba98c784f6395)
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) 2004-2009 Red Hat, Inc.  All rights reserved.
7 **
8 **
9 *******************************************************************************
10 ******************************************************************************/
11 
12 #ifndef __LOWCOMMS_DOT_H__
13 #define __LOWCOMMS_DOT_H__
14 
15 #define LOWCOMMS_MAX_TX_BUFFER_LEN	4096
16 
17 /* switch to check if dlm is running */
18 extern int dlm_allow_conn;
19 
20 int dlm_lowcomms_start(void);
21 void dlm_lowcomms_shutdown(void);
22 void dlm_lowcomms_stop(void);
23 void dlm_lowcomms_exit(void);
24 int dlm_lowcomms_close(int nodeid);
25 void *dlm_lowcomms_get_buffer(int nodeid, int len, gfp_t allocation, char **ppc);
26 void dlm_lowcomms_commit_buffer(void *mh);
27 int dlm_lowcomms_connect_node(int nodeid);
28 int dlm_lowcomms_nodes_set_mark(int nodeid, unsigned int mark);
29 int dlm_lowcomms_addr(int nodeid, struct sockaddr_storage *addr, int len);
30 
31 #endif				/* __LOWCOMMS_DOT_H__ */
32 
33