/*
* 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 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "mdinclude.h"
/*
* Generic walker svm mddb directory block walker.
*/
int
mddb_db_walk_init(mdb_walk_state_t *wsp)
{
/* Must have a start addr. */
if (wsp->walk_addr == NULL) {
mdb_warn("start address required\n");
return (WALK_ERR);
}
return (WALK_NEXT);
}
/*
* svm mddb directory block walker step routine.
*/
int
mddb_db_walk_step(mdb_walk_state_t *wsp)
{
mddb_db_t db_entry;
int status;
if (wsp->walk_addr == NULL)
return (WALK_DONE);
if (mdb_vread(&db_entry, sizeof (mddb_db_t), wsp->walk_addr) == -1) {
mdb_warn("failed to read mddb_db_t at %p",
wsp->walk_addr);
return (WALK_ERR);
}
status = wsp->walk_callback(wsp->walk_addr, (&db_entry)->db_next,
wsp->walk_cbdata);
wsp->walk_addr = (uintptr_t)db_entry.db_next;
return (status);
}