xref: /onnv-gate/usr/src/lib/lvm/libmeta/common/meta_replace.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 2003 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  * replace components in metadevices
31*0Sstevel@tonic-gate  */
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate #include <meta.h>
34*0Sstevel@tonic-gate #include <sys/lvm/md_stripe.h>
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate int
37*0Sstevel@tonic-gate meta_replace(mdsetname_t *sp, mdname_t *metanp, mdname_t *oldnp,
38*0Sstevel@tonic-gate     mdname_t *newnp, char *uname, mdcmdopts_t options, md_error_t *ep)
39*0Sstevel@tonic-gate {
40*0Sstevel@tonic-gate 	char			*miscname;
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate 	assert(sp != NULL);
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate 	if (is_hspname(uname)) {
45*0Sstevel@tonic-gate 		mdhspname_t	*hspnp;
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate 		if ((hspnp = metahspname(&sp, uname, ep)) == NULL)
48*0Sstevel@tonic-gate 			return (-1);
49*0Sstevel@tonic-gate 		assert(sp != NULL);
50*0Sstevel@tonic-gate 		(void) meta_hs_replace(sp, hspnp, oldnp, newnp, options, ep);
51*0Sstevel@tonic-gate 		return (0);
52*0Sstevel@tonic-gate 	}
53*0Sstevel@tonic-gate 	assert(sp->setno == MD_MIN2SET(meta_getminor(metanp->dev)));
54*0Sstevel@tonic-gate 	if (metachkmeta(metanp, ep) != 0)
55*0Sstevel@tonic-gate 		return (-1);
56*0Sstevel@tonic-gate 
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate 	if ((miscname = metagetmiscname(metanp, ep)) == NULL)
59*0Sstevel@tonic-gate 		return (-1);
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate 	if (strcmp(miscname, MD_RAID) == 0) {
62*0Sstevel@tonic-gate 		return (meta_raid_replace(sp, metanp, oldnp, newnp,
63*0Sstevel@tonic-gate 		    options, ep));
64*0Sstevel@tonic-gate 	} else if (strcmp(miscname, MD_TRANS) == 0) {
65*0Sstevel@tonic-gate 		return (meta_trans_replace(sp, metanp, oldnp, newnp,
66*0Sstevel@tonic-gate 		    options, ep));
67*0Sstevel@tonic-gate 	} else if (strcmp(miscname, MD_STRIPE) == 0) {
68*0Sstevel@tonic-gate 		return (meta_stripe_replace(sp, metanp, oldnp, newnp,
69*0Sstevel@tonic-gate 		    options, ep));
70*0Sstevel@tonic-gate 	}
71*0Sstevel@tonic-gate 
72*0Sstevel@tonic-gate 	return (mdmderror(ep, MDE_UNKNOWN_TYPE, meta_getminor(metanp->dev),
73*0Sstevel@tonic-gate 	    metanp->cname));
74*0Sstevel@tonic-gate }
75*0Sstevel@tonic-gate /*
76*0Sstevel@tonic-gate  * replace named device
77*0Sstevel@tonic-gate  */
78*0Sstevel@tonic-gate int
79*0Sstevel@tonic-gate meta_replace_byname(
80*0Sstevel@tonic-gate 	mdsetname_t	*sp,
81*0Sstevel@tonic-gate 	mdname_t	*np,
82*0Sstevel@tonic-gate 	mdname_t	*oldnp,
83*0Sstevel@tonic-gate 	mdname_t	*newnp,
84*0Sstevel@tonic-gate 	mdcmdopts_t	options,
85*0Sstevel@tonic-gate 	md_error_t	*ep
86*0Sstevel@tonic-gate )
87*0Sstevel@tonic-gate {
88*0Sstevel@tonic-gate 	char		*miscname;
89*0Sstevel@tonic-gate 
90*0Sstevel@tonic-gate 	/* should have a set */
91*0Sstevel@tonic-gate 	assert(sp != NULL);
92*0Sstevel@tonic-gate 	assert(sp->setno == MD_MIN2SET(meta_getminor(np->dev)));
93*0Sstevel@tonic-gate 
94*0Sstevel@tonic-gate 	/* get type */
95*0Sstevel@tonic-gate 	if (metachkmeta(np, ep) != 0)
96*0Sstevel@tonic-gate 		return (-1);
97*0Sstevel@tonic-gate 	if ((miscname = metagetmiscname(np, ep)) == NULL)
98*0Sstevel@tonic-gate 		return (-1);
99*0Sstevel@tonic-gate 
100*0Sstevel@tonic-gate 	/* dispatch */
101*0Sstevel@tonic-gate 	if (strcmp(miscname, MD_RAID) == 0) {
102*0Sstevel@tonic-gate 		return (meta_raid_replace(sp, np, oldnp, newnp, options, ep));
103*0Sstevel@tonic-gate 	} else if (strcmp(miscname, MD_MIRROR) == 0) {
104*0Sstevel@tonic-gate 		return (meta_mirror_replace(sp, np, oldnp, newnp, options, ep));
105*0Sstevel@tonic-gate 	} else {
106*0Sstevel@tonic-gate 		return (mdmderror(ep, MDE_UNKNOWN_TYPE, meta_getminor(np->dev),
107*0Sstevel@tonic-gate 		    np->cname));
108*0Sstevel@tonic-gate 	}
109*0Sstevel@tonic-gate }
110*0Sstevel@tonic-gate 
111*0Sstevel@tonic-gate /*
112*0Sstevel@tonic-gate  * enable named device
113*0Sstevel@tonic-gate  */
114*0Sstevel@tonic-gate int
115*0Sstevel@tonic-gate meta_enable_byname(
116*0Sstevel@tonic-gate 	mdsetname_t	*sp,
117*0Sstevel@tonic-gate 	mdname_t	*np,
118*0Sstevel@tonic-gate 	mdname_t	*compnp,
119*0Sstevel@tonic-gate 	mdcmdopts_t	options,
120*0Sstevel@tonic-gate 	md_error_t	*ep
121*0Sstevel@tonic-gate )
122*0Sstevel@tonic-gate {
123*0Sstevel@tonic-gate 	char		*miscname;
124*0Sstevel@tonic-gate 
125*0Sstevel@tonic-gate 	/* should have a set */
126*0Sstevel@tonic-gate 	assert(sp != NULL);
127*0Sstevel@tonic-gate 	assert(sp->setno == MD_MIN2SET(meta_getminor(np->dev)));
128*0Sstevel@tonic-gate 
129*0Sstevel@tonic-gate 	/* get type */
130*0Sstevel@tonic-gate 	if (metachkmeta(np, ep) != 0)
131*0Sstevel@tonic-gate 		return (-1);
132*0Sstevel@tonic-gate 	if ((miscname = metagetmiscname(np, ep)) == NULL)
133*0Sstevel@tonic-gate 		return (-1);
134*0Sstevel@tonic-gate 
135*0Sstevel@tonic-gate 	/* dispatch */
136*0Sstevel@tonic-gate 	if (strcmp(miscname, MD_RAID) == 0) {
137*0Sstevel@tonic-gate 		return (meta_raid_enable(sp, np, compnp, options, ep));
138*0Sstevel@tonic-gate 	} else if (strcmp(miscname, MD_MIRROR) == 0) {
139*0Sstevel@tonic-gate 		return (meta_mirror_enable(sp, np, compnp, options, ep));
140*0Sstevel@tonic-gate 	} else {
141*0Sstevel@tonic-gate 		return (mdmderror(ep, MDE_UNKNOWN_TYPE, meta_getminor(np->dev),
142*0Sstevel@tonic-gate 		    np->cname));
143*0Sstevel@tonic-gate 	}
144*0Sstevel@tonic-gate }
145