1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22/* 23 * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27#pragma ident "%Z%%M% %I% %E% SMI" 28 29#include "mdinclude.h" 30 31/* 32 * Generic walker svm mddb directory block walker. 33 */ 34int 35mddb_db_walk_init(mdb_walk_state_t *wsp) 36{ 37 38 /* Must have a start addr. */ 39 if (wsp->walk_addr == NULL) { 40 mdb_warn("start address required\n"); 41 return (WALK_ERR); 42 } 43 return (WALK_NEXT); 44} 45 46 47/* 48 * svm mddb directory block walker step routine. 49 */ 50int 51mddb_db_walk_step(mdb_walk_state_t *wsp) 52{ 53 mddb_db_t db_entry; 54 int status; 55 56 if (wsp->walk_addr == NULL) 57 return (WALK_DONE); 58 59 if (mdb_vread(&db_entry, sizeof (mddb_db_t), wsp->walk_addr) == -1) { 60 mdb_warn("failed to read mddb_db_t at %p", 61 wsp->walk_addr); 62 return (WALK_ERR); 63 } 64 65 status = wsp->walk_callback(wsp->walk_addr, (&db_entry)->db_next, 66 wsp->walk_cbdata); 67 68 wsp->walk_addr = (uintptr_t)db_entry.db_next; 69 70 return (status); 71} 72