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 #include "mdinclude.h"
30*0Sstevel@tonic-gate
31*0Sstevel@tonic-gate /*
32*0Sstevel@tonic-gate * walk the device id namespace
33*0Sstevel@tonic-gate */
34*0Sstevel@tonic-gate int
didnamespace_walk_init(mdb_walk_state_t * wsp)35*0Sstevel@tonic-gate didnamespace_walk_init(mdb_walk_state_t *wsp)
36*0Sstevel@tonic-gate {
37*0Sstevel@tonic-gate uintptr_t addr;
38*0Sstevel@tonic-gate
39*0Sstevel@tonic-gate snarf_sets();
40*0Sstevel@tonic-gate wsp->walk_data = mdb_alloc(sizeof (int), UM_SLEEP);
41*0Sstevel@tonic-gate /* walk_data will hold the set number of the set being printed */
42*0Sstevel@tonic-gate *((int *)wsp->walk_data) = 0;
43*0Sstevel@tonic-gate addr = (uintptr_t)mdset[0].s_did_nm;
44*0Sstevel@tonic-gate
45*0Sstevel@tonic-gate wsp->walk_addr = addr;
46*0Sstevel@tonic-gate return (WALK_NEXT);
47*0Sstevel@tonic-gate }
48*0Sstevel@tonic-gate
49*0Sstevel@tonic-gate int
didnamespace_walk_step(mdb_walk_state_t * wsp)50*0Sstevel@tonic-gate didnamespace_walk_step(mdb_walk_state_t *wsp)
51*0Sstevel@tonic-gate {
52*0Sstevel@tonic-gate int status;
53*0Sstevel@tonic-gate struct nm_header_hdr hdr;
54*0Sstevel@tonic-gate
55*0Sstevel@tonic-gate if (wsp->walk_addr == NULL) {
56*0Sstevel@tonic-gate if (*((int *)wsp->walk_data) < md_nsets) {
57*0Sstevel@tonic-gate *((int *)wsp->walk_data) += 1;
58*0Sstevel@tonic-gate wsp->walk_addr =
59*0Sstevel@tonic-gate (uintptr_t)mdset[*((int *)wsp->walk_data)].s_did_nm;
60*0Sstevel@tonic-gate if (wsp->walk_addr == NULL)
61*0Sstevel@tonic-gate return (WALK_NEXT);
62*0Sstevel@tonic-gate } else {
63*0Sstevel@tonic-gate return (WALK_DONE);
64*0Sstevel@tonic-gate }
65*0Sstevel@tonic-gate }
66*0Sstevel@tonic-gate
67*0Sstevel@tonic-gate mdb_printf("DID Namespace for set number %d\n",
68*0Sstevel@tonic-gate *((int *)wsp->walk_data));
69*0Sstevel@tonic-gate if (mdb_vread(&hdr, sizeof (struct nm_header_hdr), wsp->walk_addr) !=
70*0Sstevel@tonic-gate sizeof (struct nm_header_hdr)) {
71*0Sstevel@tonic-gate mdb_warn("failed to read nm_header_hdr at %p",
72*0Sstevel@tonic-gate wsp->walk_addr);
73*0Sstevel@tonic-gate return (WALK_DONE);
74*0Sstevel@tonic-gate }
75*0Sstevel@tonic-gate
76*0Sstevel@tonic-gate
77*0Sstevel@tonic-gate
78*0Sstevel@tonic-gate status = wsp->walk_callback(wsp->walk_addr, (&hdr)->hh_header,
79*0Sstevel@tonic-gate wsp->walk_cbdata);
80*0Sstevel@tonic-gate
81*0Sstevel@tonic-gate *((int *)wsp->walk_data) += 1;
82*0Sstevel@tonic-gate wsp->walk_addr = (uintptr_t)mdset[*((int *)wsp->walk_data)].s_did_nm;
83*0Sstevel@tonic-gate return (status);
84*0Sstevel@tonic-gate }
85*0Sstevel@tonic-gate
86*0Sstevel@tonic-gate void
didnamespace_walk_fini(mdb_walk_state_t * wsp)87*0Sstevel@tonic-gate didnamespace_walk_fini(mdb_walk_state_t *wsp)
88*0Sstevel@tonic-gate {
89*0Sstevel@tonic-gate mdb_free(wsp->walk_data, sizeof (int));
90*0Sstevel@tonic-gate }
91