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 2004 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 typedef struct unit_data {
33*0Sstevel@tonic-gate int nunits;
34*0Sstevel@tonic-gate int do_all;
35*0Sstevel@tonic-gate int setno;
36*0Sstevel@tonic-gate } unit_data_t;
37*0Sstevel@tonic-gate
38*0Sstevel@tonic-gate /*
39*0Sstevel@tonic-gate * walk the units
40*0Sstevel@tonic-gate */
41*0Sstevel@tonic-gate /* ARGSUSED */
42*0Sstevel@tonic-gate int
units_walk_init(mdb_walk_state_t * wsp)43*0Sstevel@tonic-gate units_walk_init(mdb_walk_state_t *wsp)
44*0Sstevel@tonic-gate {
45*0Sstevel@tonic-gate uintptr_t addr;
46*0Sstevel@tonic-gate int i;
47*0Sstevel@tonic-gate
48*0Sstevel@tonic-gate snarf_sets();
49*0Sstevel@tonic-gate wsp->walk_data = mdb_alloc(sizeof (unit_data_t), UM_SLEEP);
50*0Sstevel@tonic-gate /*
51*0Sstevel@tonic-gate * walk_data contains the following information:
52*0Sstevel@tonic-gate * nunits : the number of units of the set we've printed out.
53*0Sstevel@tonic-gate * setno: set number we're printing out the information from.
54*0Sstevel@tonic-gate * do_all: print all the sets on the system or not.
55*0Sstevel@tonic-gate */
56*0Sstevel@tonic-gate ((unit_data_t *)wsp->walk_data)->nunits = 0;
57*0Sstevel@tonic-gate if (wsp->walk_addr == NULL) {
58*0Sstevel@tonic-gate /* if no address is specified, walk all units of all sets */
59*0Sstevel@tonic-gate mdb_printf("Units for set number 0\n");
60*0Sstevel@tonic-gate addr = (uintptr_t)mdset[0].s_un;
61*0Sstevel@tonic-gate wsp->walk_addr = addr;
62*0Sstevel@tonic-gate ((unit_data_t *)wsp->walk_data)->setno = 0;
63*0Sstevel@tonic-gate ((unit_data_t *)wsp->walk_data)->do_all = 1;
64*0Sstevel@tonic-gate } else {
65*0Sstevel@tonic-gate /* walk the specified set */
66*0Sstevel@tonic-gate ((unit_data_t *)wsp->walk_data)->do_all = 0;
67*0Sstevel@tonic-gate for (i = 0; i < md_nsets; i++) {
68*0Sstevel@tonic-gate if (mdset[i].s_db == (void **)wsp->walk_addr) {
69*0Sstevel@tonic-gate wsp->walk_addr = (uintptr_t)mdset[i].s_un;
70*0Sstevel@tonic-gate ((unit_data_t *)wsp->walk_data)->setno = i;
71*0Sstevel@tonic-gate return (WALK_NEXT);
72*0Sstevel@tonic-gate }
73*0Sstevel@tonic-gate }
74*0Sstevel@tonic-gate }
75*0Sstevel@tonic-gate return (WALK_NEXT);
76*0Sstevel@tonic-gate }
77*0Sstevel@tonic-gate
78*0Sstevel@tonic-gate int
units_walk_step(mdb_walk_state_t * wsp)79*0Sstevel@tonic-gate units_walk_step(mdb_walk_state_t *wsp)
80*0Sstevel@tonic-gate {
81*0Sstevel@tonic-gate int status;
82*0Sstevel@tonic-gate unit_data_t *un = (unit_data_t *)wsp->walk_data;
83*0Sstevel@tonic-gate void **ptr;
84*0Sstevel@tonic-gate
85*0Sstevel@tonic-gate if (un->nunits >= md_nunits) {
86*0Sstevel@tonic-gate un->setno += 1;
87*0Sstevel@tonic-gate if ((un->setno < md_nsets) && (un->do_all == 1)) {
88*0Sstevel@tonic-gate un->nunits = 0;
89*0Sstevel@tonic-gate wsp->walk_addr = (uintptr_t)mdset[un->setno].s_un;
90*0Sstevel@tonic-gate if (wsp->walk_addr != NULL)
91*0Sstevel@tonic-gate mdb_printf("Units for set number %d\n",
92*0Sstevel@tonic-gate un->setno);
93*0Sstevel@tonic-gate } else {
94*0Sstevel@tonic-gate return (WALK_DONE);
95*0Sstevel@tonic-gate }
96*0Sstevel@tonic-gate }
97*0Sstevel@tonic-gate
98*0Sstevel@tonic-gate if (wsp->walk_addr == NULL) {
99*0Sstevel@tonic-gate un->nunits = md_nunits;
100*0Sstevel@tonic-gate return (WALK_NEXT);
101*0Sstevel@tonic-gate }
102*0Sstevel@tonic-gate
103*0Sstevel@tonic-gate status = wsp->walk_callback(wsp->walk_addr, NULL, wsp->walk_cbdata);
104*0Sstevel@tonic-gate
105*0Sstevel@tonic-gate if (status != WALK_DONE) {
106*0Sstevel@tonic-gate ptr = (void **)wsp->walk_addr;
107*0Sstevel@tonic-gate ptr++;
108*0Sstevel@tonic-gate wsp->walk_addr = (uintptr_t)ptr;
109*0Sstevel@tonic-gate un->nunits += 1;
110*0Sstevel@tonic-gate }
111*0Sstevel@tonic-gate return (status);
112*0Sstevel@tonic-gate }
113*0Sstevel@tonic-gate
114*0Sstevel@tonic-gate void
units_walk_fini(mdb_walk_state_t * wsp)115*0Sstevel@tonic-gate units_walk_fini(mdb_walk_state_t *wsp)
116*0Sstevel@tonic-gate {
117*0Sstevel@tonic-gate mdb_free(wsp->walk_data, sizeof (unit_data_t));
118*0Sstevel@tonic-gate }
119