xref: /onnv-gate/usr/src/lib/lvm/libmeta/common/meta_userflags.c (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 1993-2002 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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate /*
30*0Sstevel@tonic-gate  * get/set user flags for the metadevices (FOR GUI USE ONLY)
31*0Sstevel@tonic-gate  */
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate #include <meta.h>
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate /*
36*0Sstevel@tonic-gate  * get user flags stored in the common unit structure.
37*0Sstevel@tonic-gate  */
38*0Sstevel@tonic-gate int
meta_getuserflags(mdsetname_t * sp,mdname_t * np,uint_t * userflags,md_error_t * ep)39*0Sstevel@tonic-gate meta_getuserflags(
40*0Sstevel@tonic-gate 	mdsetname_t	*sp,
41*0Sstevel@tonic-gate 	mdname_t	*np,
42*0Sstevel@tonic-gate 	uint_t		*userflags,
43*0Sstevel@tonic-gate 	md_error_t	*ep
44*0Sstevel@tonic-gate )
45*0Sstevel@tonic-gate {
46*0Sstevel@tonic-gate 	md_common_t	*mdp;
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate 	/* should have a set */
49*0Sstevel@tonic-gate 	assert(sp != NULL);
50*0Sstevel@tonic-gate 	assert(sp->setno == MD_MIN2SET(meta_getminor(np->dev)));
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate 	if ((mdp = meta_get_unit(sp, np, ep)) == NULL)
53*0Sstevel@tonic-gate 		return (-1);
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate 	*userflags = mdp->user_flags;
56*0Sstevel@tonic-gate 	return (0);
57*0Sstevel@tonic-gate }
58*0Sstevel@tonic-gate 
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate /*
61*0Sstevel@tonic-gate  * set user flags, stored in the common unit structure.
62*0Sstevel@tonic-gate  */
63*0Sstevel@tonic-gate int
meta_setuserflags(mdsetname_t * sp,mdname_t * np,uint_t userflags,md_error_t * ep)64*0Sstevel@tonic-gate meta_setuserflags(
65*0Sstevel@tonic-gate 	mdsetname_t	*sp,
66*0Sstevel@tonic-gate 	mdname_t	*np,
67*0Sstevel@tonic-gate 	uint_t		userflags,
68*0Sstevel@tonic-gate 	md_error_t	*ep
69*0Sstevel@tonic-gate )
70*0Sstevel@tonic-gate {
71*0Sstevel@tonic-gate 	md_set_userflags_t	msu;
72*0Sstevel@tonic-gate 	char			*miscname;
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate 	/* should have a set */
75*0Sstevel@tonic-gate 	assert(sp != NULL);
76*0Sstevel@tonic-gate 	assert(sp->setno == MD_MIN2SET(meta_getminor(np->dev)));
77*0Sstevel@tonic-gate 
78*0Sstevel@tonic-gate 	/* check name */
79*0Sstevel@tonic-gate 	if (metachkmeta(np, ep) != 0)
80*0Sstevel@tonic-gate 		return (-1);
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate 	/* get misc name */
83*0Sstevel@tonic-gate 	if ((miscname = metagetmiscname(np, ep)) == NULL)
84*0Sstevel@tonic-gate 		return (-1);
85*0Sstevel@tonic-gate 
86*0Sstevel@tonic-gate 	/* set parameters */
87*0Sstevel@tonic-gate 	(void) memset(&msu, 0, sizeof (msu));
88*0Sstevel@tonic-gate 	MD_SETDRIVERNAME(&msu, miscname, sp->setno);
89*0Sstevel@tonic-gate 	msu.mnum = meta_getminor(np->dev);
90*0Sstevel@tonic-gate 	msu.userflags = userflags;
91*0Sstevel@tonic-gate 	if (metaioctl(MD_IOCSET_FLAGS, &msu, &msu.mde, np->cname) != 0)
92*0Sstevel@tonic-gate 		return (mdstealerror(ep, &msu.mde));
93*0Sstevel@tonic-gate 
94*0Sstevel@tonic-gate 	/* clear cache */
95*0Sstevel@tonic-gate 	meta_invalidate_name(np);
96*0Sstevel@tonic-gate 
97*0Sstevel@tonic-gate 	return (0);
98*0Sstevel@tonic-gate }
99