xref: /openbmc/linux/fs/dlm/ast.h (revision 2612e3bbc0386368a850140a6c9b990cd496a5ec)
12522fe45SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */
2e7fd4179SDavid Teigland /******************************************************************************
3e7fd4179SDavid Teigland *******************************************************************************
4e7fd4179SDavid Teigland **
57fe2b319SDavid Teigland **  Copyright (C) 2005-2010 Red Hat, Inc.  All rights reserved.
6e7fd4179SDavid Teigland **
7e7fd4179SDavid Teigland **
8e7fd4179SDavid Teigland *******************************************************************************
9e7fd4179SDavid Teigland ******************************************************************************/
10e7fd4179SDavid Teigland 
11e7fd4179SDavid Teigland #ifndef __ASTD_DOT_H__
12e7fd4179SDavid Teigland #define __ASTD_DOT_H__
13e7fd4179SDavid Teigland 
14*61bed0baSAlexander Aring #define DLM_ENQUEUE_CALLBACK_NEED_SCHED	1
15*61bed0baSAlexander Aring #define DLM_ENQUEUE_CALLBACK_SUCCESS	0
16*61bed0baSAlexander Aring #define DLM_ENQUEUE_CALLBACK_FAILURE	-1
17*61bed0baSAlexander Aring int dlm_enqueue_lkb_callback(struct dlm_lkb *lkb, uint32_t flags, int mode,
18*61bed0baSAlexander Aring 			     int status, uint32_t sbflags);
19*61bed0baSAlexander Aring #define DLM_DEQUEUE_CALLBACK_EMPTY	2
20*61bed0baSAlexander Aring #define DLM_DEQUEUE_CALLBACK_LAST	1
21*61bed0baSAlexander Aring #define DLM_DEQUEUE_CALLBACK_SUCCESS	0
22*61bed0baSAlexander Aring int dlm_dequeue_lkb_callback(struct dlm_lkb *lkb, struct dlm_callback **cb);
2323e8e1aaSDavid Teigland void dlm_add_cb(struct dlm_lkb *lkb, uint32_t flags, int mode, int status,
248304d6f2SDavid Teigland                 uint32_t sbflags);
25*61bed0baSAlexander Aring void dlm_callback_set_last_ptr(struct dlm_callback **from,
26*61bed0baSAlexander Aring 			       struct dlm_callback *to);
27e7fd4179SDavid Teigland 
28*61bed0baSAlexander Aring void dlm_release_callback(struct kref *ref);
2923e8e1aaSDavid Teigland void dlm_callback_work(struct work_struct *work);
3023e8e1aaSDavid Teigland int dlm_callback_start(struct dlm_ls *ls);
3123e8e1aaSDavid Teigland void dlm_callback_stop(struct dlm_ls *ls);
3223e8e1aaSDavid Teigland void dlm_callback_suspend(struct dlm_ls *ls);
3323e8e1aaSDavid Teigland void dlm_callback_resume(struct dlm_ls *ls);
34e7fd4179SDavid Teigland 
35e7fd4179SDavid Teigland #endif
36e7fd4179SDavid Teigland 
3723e8e1aaSDavid Teigland 
38