md.c revision 8452:89d32dfdae6e 
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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#include <sys/mdb_modapi.h>
27
28
29int	md_verbose = 0;		/* be verbose about the addresses */
30
31extern int metaset(uintptr_t, uint_t, int, const mdb_arg_t *);
32extern int metastat(uintptr_t, uint_t, int, const mdb_arg_t *);
33extern int set_io(uintptr_t, uint_t, int, const mdb_arg_t *);
34extern int dumpnamespace(uintptr_t, uint_t, int, const mdb_arg_t *);
35extern int dumpsetaddr(uintptr_t, uint_t, int, const mdb_arg_t *);
36extern int dumphotspare(uintptr_t, uint_t, int, const mdb_arg_t *);
37extern int printmmbm(uintptr_t, uint_t, int, const mdb_arg_t *);
38extern void set_io_help();
39
40/* from mdbgen */
41extern int mddb_db_walk_init(mdb_walk_state_t *);
42extern int mddb_db_walk_step(mdb_walk_state_t *);
43extern int mddb_de_ic_walk_init(mdb_walk_state_t *);
44extern int mddb_de_ic_walk_step(mdb_walk_state_t *);
45extern int hotsparepool_walk_init(mdb_walk_state_t *);
46extern int hotsparepool_walk_step(mdb_walk_state_t *);
47extern void hotsparepool_walk_fini(mdb_walk_state_t *);
48extern int didnamespace_walk_init(mdb_walk_state_t *);
49extern int didnamespace_walk_step(mdb_walk_state_t *);
50extern void didnamespace_walk_fini(mdb_walk_state_t *);
51extern int namespace_walk_init(mdb_walk_state_t *);
52extern int namespace_walk_step(mdb_walk_state_t *);
53extern void namespace_walk_fini(mdb_walk_state_t *);
54extern int sets_walk_init(mdb_walk_state_t *);
55extern int sets_walk_step(mdb_walk_state_t *);
56extern void sets_walk_fini(mdb_walk_state_t *);
57extern int units_walk_init(mdb_walk_state_t *);
58extern int units_walk_step(mdb_walk_state_t *);
59extern void units_walk_fini(mdb_walk_state_t *);
60extern int simple_de_ic(uintptr_t, uint_t, int, const mdb_arg_t *);
61int md_set_verbose(uintptr_t, uint_t, int, const mdb_arg_t *);
62
63
64const mdb_dcmd_t dcmds[] = {
65	{ "md_verbose", NULL, "toggle verbose mode for SVM dcmds",
66	    md_set_verbose },
67	{ "metaset", NULL, "list SVM metasets", metaset },
68	{ "metastat", "[-v]", "list SVM metadevices",
69	    metastat },
70	{ "set_io", NULL, "show the pending IO counts", set_io,
71	    set_io_help },
72	{ "dumpnamespace", "[-s setname]", "dump the SVM name space",
73	    dumpnamespace },
74	{ "dumphotspare", NULL, "dump the hot spare pools",
75	    dumphotspare },
76	{ "dumpsetaddr", "[-s setname]", "dump the SVM set addresses",
77	    dumpsetaddr },
78	{ "simple_de_ic", NULL, "simple mddb_de_ic_t",
79	    simple_de_ic },
80	{ "printmmbm", NULL, "print bitmaps for given mm_unit_t",
81	    printmmbm },
82	{ NULL }
83};
84
85static const mdb_walker_t walkers[] = {
86	{ "mddb_db", "walk list of mddb_db_t structures",
87	    mddb_db_walk_init, mddb_db_walk_step, NULL, NULL },
88	{ "mddb_de_ic", "walk list of mddb_de_t structures",
89	    mddb_de_ic_walk_init, mddb_de_ic_walk_step, NULL, NULL },
90	{ "hotsparepool", "walk list of hotspare pools",
91	    hotsparepool_walk_init, hotsparepool_walk_step,
92	    hotsparepool_walk_fini, NULL },
93	{ "didnamespace", "walk the did namespace",
94	    didnamespace_walk_init, didnamespace_walk_step,
95	    didnamespace_walk_fini, NULL },
96	{ "namespace", "walk the namespace",
97	    namespace_walk_init, namespace_walk_step, namespace_walk_fini,
98	    NULL },
99	{ "md_sets", "walk list of sets",
100	    sets_walk_init, sets_walk_step, sets_walk_fini, NULL },
101	{ "md_units", "walk list of unit structures",
102	    units_walk_init, units_walk_step, units_walk_fini, NULL },
103	{ NULL }
104};
105
106static const mdb_modinfo_t modinfo = {
107	MDB_API_VERSION, dcmds, walkers
108};
109
110const mdb_modinfo_t *
111_mdb_init(void)
112{
113	return (&modinfo);
114}
115
116
117/* ARGSUSED */
118int
119md_set_verbose(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
120{
121	md_verbose = !md_verbose;
122
123	if ((flags & DCMD_ADDRSPEC) != 0 || argc != 0)
124		return (DCMD_USAGE);
125
126	mdb_printf("Verbose mode is now %d\n", md_verbose);
127	return (DCMD_OK);
128}
129