Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/* 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) 2004-2009 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 __LOWCOMMS_DOT_H__
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#define __LOWCOMMS_DOT_H__
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#include "dlm_internal.h"
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#define DLM_MIDCOMMS_OPT_LEN sizeof(struct dlm_opts)
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#define DLM_MAX_APP_BUFSIZE (DLM_MAX_SOCKET_BUFSIZE - \
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DLM_MIDCOMMS_OPT_LEN)
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#define CONN_HASH_SIZE 32
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/* This is deliberately very simple because most clusters have simple
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* sequential nodeids, so we should be able to go straight to a connection
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* struct in the array
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*/
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static inline int nodeid_hash(int nodeid)
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{
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return nodeid & (CONN_HASH_SIZE-1);
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}
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/* check if dlm is running */
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bool dlm_lowcomms_is_running(void);
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int dlm_lowcomms_start(void);
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void dlm_lowcomms_shutdown(void);
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void dlm_lowcomms_shutdown_node(int nodeid, bool force);
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void dlm_lowcomms_stop(void);
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void dlm_lowcomms_init(void);
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void dlm_lowcomms_exit(void);
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int dlm_lowcomms_close(int nodeid);
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struct dlm_msg *dlm_lowcomms_new_msg(int nodeid, int len, char **ppc,
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void (*cb)(void *data), void *data);
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void dlm_lowcomms_commit_msg(struct dlm_msg *msg);
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void dlm_lowcomms_put_msg(struct dlm_msg *msg);
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int dlm_lowcomms_resend_msg(struct dlm_msg *msg);
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int dlm_lowcomms_connect_node(int nodeid);
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int dlm_lowcomms_nodes_set_mark(int nodeid, unsigned int mark);
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int dlm_lowcomms_addr(int nodeid, struct sockaddr_storage *addr);
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void dlm_midcomms_receive_done(int nodeid);
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struct kmem_cache *dlm_lowcomms_writequeue_cache_create(void);
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struct kmem_cache *dlm_lowcomms_msg_cache_create(void);
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#endif /* __LOWCOMMS_DOT_H__ */
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