xref: /onnv-gate/usr/src/head/mdmn_changelog.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef	_MDMN_CHANGELOG_H
28*0Sstevel@tonic-gate #define	_MDMN_CHANGELOG_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #include <sys/lvm/mdmn_commd.h>
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate #ifdef	__cplusplus
35*0Sstevel@tonic-gate extern "C" {
36*0Sstevel@tonic-gate #endif
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate #define	MD_MN_CHANGELOG_RECORD_REVISION 0x00010000;
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate /* flags for log record entries */
41*0Sstevel@tonic-gate #define	MD_MN_LR_INUSE  0x00000001U	/* Log entry is in use */
42*0Sstevel@tonic-gate 
43*0Sstevel@tonic-gate #define	MDMN_CLF_SNARFED	0x1
44*0Sstevel@tonic-gate #define	MDMN_CLF_RESETCACHE	0x2
45*0Sstevel@tonic-gate #define	MDMN_CLF_RESETLOG	0x4
46*0Sstevel@tonic-gate #define	MDMN_CLF_RESETALL	(MDMN_CLF_RESETCACHE | MDMN_CLF_RESETLOG)
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate 
49*0Sstevel@tonic-gate /* changelog record entry */
50*0Sstevel@tonic-gate typedef struct mdmn_changelog_record {
51*0Sstevel@tonic-gate 	uint_t				lr_revision;
52*0Sstevel@tonic-gate 	uint_t				lr_flags;
53*0Sstevel@tonic-gate 	mddb_recid_t			lr_selfid;
54*0Sstevel@tonic-gate 	md_mn_msgclass_t		lr_class;
55*0Sstevel@tonic-gate 	size32_t			lr_msglen;
56*0Sstevel@tonic-gate 	md_mn_msg_t			lr_msg;
57*0Sstevel@tonic-gate } mdmn_changelog_record_t;
58*0Sstevel@tonic-gate 
59*0Sstevel@tonic-gate #define	lr_msgtype	lr_msg.msg_type
60*0Sstevel@tonic-gate #define	lr_msgid	lr_msg.msg_msgid
61*0Sstevel@tonic-gate #define	lr_setno	lr_msg.msg_setno
62*0Sstevel@tonic-gate 
63*0Sstevel@tonic-gate /* ondisk version */
64*0Sstevel@tonic-gate typedef struct mdmn_changelog_record_od {
65*0Sstevel@tonic-gate 	uint_t				lr_revision;
66*0Sstevel@tonic-gate 	uint_t				lr_flags;
67*0Sstevel@tonic-gate 	mddb_recid_t			lr_selfid;
68*0Sstevel@tonic-gate 	md_mn_msgclass_t		lr_class;
69*0Sstevel@tonic-gate 	size32_t			lr_msglen;
70*0Sstevel@tonic-gate 	int				spare[5];
71*0Sstevel@tonic-gate 	md_mn_msg_od_t			lr_od_msg;
72*0Sstevel@tonic-gate } mdmn_changelog_record_od_t;
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate #define	lr_od_msgtype	lr_od_msg.msg_type
75*0Sstevel@tonic-gate #define	lr_od_msgid	lr_od_msg.msg_msgid
76*0Sstevel@tonic-gate #define	lr_od_setno	lr_od_msg.msg_setno
77*0Sstevel@tonic-gate 
78*0Sstevel@tonic-gate 
79*0Sstevel@tonic-gate extern	int	mdmn_allocate_changelog(mdsetname_t *, md_error_t *);
80*0Sstevel@tonic-gate extern	int	mdmn_reset_changelog(mdsetname_t *, md_error_t *, int flags);
81*0Sstevel@tonic-gate extern	int	mdmn_log_msg(md_mn_msg_t *);
82*0Sstevel@tonic-gate extern	int	mdmn_unlog_msg(md_mn_msg_t *);
83*0Sstevel@tonic-gate extern	int	mdmn_snarf_changelog(set_t, md_error_t *);
84*0Sstevel@tonic-gate extern	mdmn_changelog_record_t	*mdmn_get_changelogrec(set_t,
85*0Sstevel@tonic-gate 							md_mn_msgclass_t);
86*0Sstevel@tonic-gate 
87*0Sstevel@tonic-gate #ifdef	__cplusplus
88*0Sstevel@tonic-gate }
89*0Sstevel@tonic-gate #endif
90*0Sstevel@tonic-gate 
91*0Sstevel@tonic-gate #endif	/* _MDMN_CHANGELOG_H */
92