meta_userflags.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1993-2002 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* get/set user flags for the metadevices (FOR GUI USE ONLY)
*/
#include <meta.h>
/*
* get user flags stored in the common unit structure.
*/
int
meta_getuserflags(
mdsetname_t *sp,
mdname_t *np,
uint_t *userflags,
md_error_t *ep
)
{
md_common_t *mdp;
/* should have a set */
assert(sp != NULL);
assert(sp->setno == MD_MIN2SET(meta_getminor(np->dev)));
if ((mdp = meta_get_unit(sp, np, ep)) == NULL)
return (-1);
*userflags = mdp->user_flags;
return (0);
}
/*
* set user flags, stored in the common unit structure.
*/
int
meta_setuserflags(
mdsetname_t *sp,
mdname_t *np,
uint_t userflags,
md_error_t *ep
)
{
md_set_userflags_t msu;
char *miscname;
/* should have a set */
assert(sp != NULL);
assert(sp->setno == MD_MIN2SET(meta_getminor(np->dev)));
/* check name */
if (metachkmeta(np, ep) != 0)
return (-1);
/* get misc name */
if ((miscname = metagetmiscname(np, ep)) == NULL)
return (-1);
/* set parameters */
(void) memset(&msu, 0, sizeof (msu));
MD_SETDRIVERNAME(&msu, miscname, sp->setno);
msu.mnum = meta_getminor(np->dev);
msu.userflags = userflags;
if (metaioctl(MD_IOCSET_FLAGS, &msu, &msu.mde, np->cname) != 0)
return (mdstealerror(ep, &msu.mde));
/* clear cache */
meta_invalidate_name(np);
return (0);
}