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 2002-2003 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 <sys/sysevent.h>
30*0Sstevel@tonic-gate #include <sys/sysevent_impl.h>
31*0Sstevel@tonic-gate #include <libsysevent.h>
32*0Sstevel@tonic-gate #include <libsysevent_impl.h>
33*0Sstevel@tonic-gate #include "../genunix/sysevent.h"
34*0Sstevel@tonic-gate
35*0Sstevel@tonic-gate int
sysevent(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)36*0Sstevel@tonic-gate sysevent(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
37*0Sstevel@tonic-gate {
38*0Sstevel@tonic-gate if ((flags & DCMD_ADDRSPEC) == 0)
39*0Sstevel@tonic-gate return (DCMD_USAGE);
40*0Sstevel@tonic-gate
41*0Sstevel@tonic-gate if ((flags & DCMD_LOOP) == 0) {
42*0Sstevel@tonic-gate if (mdb_pwalk_dcmd("sysevent", "sysevent", argc, argv,
43*0Sstevel@tonic-gate addr) == -1) {
44*0Sstevel@tonic-gate mdb_warn("can't walk sysevent queue");
45*0Sstevel@tonic-gate return (DCMD_ERR);
46*0Sstevel@tonic-gate }
47*0Sstevel@tonic-gate return (DCMD_OK);
48*0Sstevel@tonic-gate }
49*0Sstevel@tonic-gate
50*0Sstevel@tonic-gate return (sysevent_buf(addr, flags, 0));
51*0Sstevel@tonic-gate }
52*0Sstevel@tonic-gate
53*0Sstevel@tonic-gate /*ARGSUSED*/
54*0Sstevel@tonic-gate int
sysevent_handle(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)55*0Sstevel@tonic-gate sysevent_handle(uintptr_t addr, uint_t flags, int argc,
56*0Sstevel@tonic-gate const mdb_arg_t *argv)
57*0Sstevel@tonic-gate {
58*0Sstevel@tonic-gate ssize_t channel_name_sz;
59*0Sstevel@tonic-gate char channel_name[CLASS_LIST_FIELD_MAX];
60*0Sstevel@tonic-gate subscriber_priv_t sub;
61*0Sstevel@tonic-gate sysevent_impl_hdl_t sysevent_hdl;
62*0Sstevel@tonic-gate
63*0Sstevel@tonic-gate if ((flags & DCMD_ADDRSPEC) == 0)
64*0Sstevel@tonic-gate return (DCMD_USAGE);
65*0Sstevel@tonic-gate
66*0Sstevel@tonic-gate
67*0Sstevel@tonic-gate if (argc != 0)
68*0Sstevel@tonic-gate return (DCMD_USAGE);
69*0Sstevel@tonic-gate
70*0Sstevel@tonic-gate
71*0Sstevel@tonic-gate if (mdb_vread(&sysevent_hdl, sizeof (sysevent_hdl),
72*0Sstevel@tonic-gate (uintptr_t)addr) == -1) {
73*0Sstevel@tonic-gate mdb_warn("failed to read sysevent handle at %p", addr);
74*0Sstevel@tonic-gate return (DCMD_ERR);
75*0Sstevel@tonic-gate }
76*0Sstevel@tonic-gate if ((channel_name_sz = mdb_readstr(channel_name, CLASS_LIST_FIELD_MAX,
77*0Sstevel@tonic-gate (uintptr_t)sysevent_hdl.sh_channel_name)) == -1) {
78*0Sstevel@tonic-gate mdb_warn("failed to read channel name at %p",
79*0Sstevel@tonic-gate sysevent_hdl.sh_channel_name);
80*0Sstevel@tonic-gate return (DCMD_ERR);
81*0Sstevel@tonic-gate }
82*0Sstevel@tonic-gate if (channel_name_sz >= CLASS_LIST_FIELD_MAX - 1)
83*0Sstevel@tonic-gate (void) strcpy(&channel_name[CLASS_LIST_FIELD_MAX - 4], "...");
84*0Sstevel@tonic-gate
85*0Sstevel@tonic-gate if (sysevent_hdl.sh_type == SUBSCRIBER) {
86*0Sstevel@tonic-gate if (mdb_vread(&sub, sizeof (sub),
87*0Sstevel@tonic-gate (uintptr_t)sysevent_hdl.sh_priv_data) == -1) {
88*0Sstevel@tonic-gate mdb_warn("failed to read sysevent handle at %p", addr);
89*0Sstevel@tonic-gate return (DCMD_ERR);
90*0Sstevel@tonic-gate }
91*0Sstevel@tonic-gate
92*0Sstevel@tonic-gate if (DCMD_HDRSPEC(flags))
93*0Sstevel@tonic-gate mdb_printf("%<u>%-?s %-24s %-13s %-5s %-?s"
94*0Sstevel@tonic-gate "%</u>\n", "ADDR", "NAME", "TYPE", "ID",
95*0Sstevel@tonic-gate "EVENT QUEUE ADDR");
96*0Sstevel@tonic-gate
97*0Sstevel@tonic-gate mdb_printf("%-?p %-24s %-13s %-5lu %-?p\n",
98*0Sstevel@tonic-gate addr, channel_name, "SUBSCRIBER", sysevent_hdl.sh_id,
99*0Sstevel@tonic-gate (uintptr_t)sub.sp_evq_head);
100*0Sstevel@tonic-gate
101*0Sstevel@tonic-gate } else {
102*0Sstevel@tonic-gate if (DCMD_HDRSPEC(flags))
103*0Sstevel@tonic-gate mdb_printf("%<u>%-?s %-24s %-13s %-5s %-?s"
104*0Sstevel@tonic-gate "%</u>\n", "ADDR", "NAME",
105*0Sstevel@tonic-gate "TYPE", "ID", "CLASS LIST ADDR");
106*0Sstevel@tonic-gate
107*0Sstevel@tonic-gate mdb_printf("%-?p %-24s %-13s %-5lu %-?p\n",
108*0Sstevel@tonic-gate addr, channel_name, "PUBLISHER", sysevent_hdl.sh_id,
109*0Sstevel@tonic-gate (uintptr_t)sysevent_hdl.sh_priv_data +
110*0Sstevel@tonic-gate offsetof(publisher_priv_t, pp_class_hash));
111*0Sstevel@tonic-gate }
112*0Sstevel@tonic-gate
113*0Sstevel@tonic-gate return (DCMD_OK);
114*0Sstevel@tonic-gate }
115*0Sstevel@tonic-gate
116*0Sstevel@tonic-gate static const mdb_dcmd_t dcmds[] = {
117*0Sstevel@tonic-gate { "sysevent", "?[-v]", "print the contents of a sysevent queue",
118*0Sstevel@tonic-gate sysevent},
119*0Sstevel@tonic-gate { "sysevent_handle", ":", "print sysevent subscriber/publisher handle",
120*0Sstevel@tonic-gate sysevent_handle},
121*0Sstevel@tonic-gate { "sysevent_class_list", ":", "print sysevent class list",
122*0Sstevel@tonic-gate sysevent_class_list },
123*0Sstevel@tonic-gate { "sysevent_subclass_list", ":", "print sysevent subclass list",
124*0Sstevel@tonic-gate sysevent_subclass_list },
125*0Sstevel@tonic-gate { NULL }
126*0Sstevel@tonic-gate };
127*0Sstevel@tonic-gate
128*0Sstevel@tonic-gate int
sysevent_walk_init(mdb_walk_state_t * wsp)129*0Sstevel@tonic-gate sysevent_walk_init(mdb_walk_state_t *wsp)
130*0Sstevel@tonic-gate {
131*0Sstevel@tonic-gate if (wsp->walk_addr == NULL) {
132*0Sstevel@tonic-gate mdb_warn("sysevent does not support global walks");
133*0Sstevel@tonic-gate return (WALK_ERR);
134*0Sstevel@tonic-gate }
135*0Sstevel@tonic-gate
136*0Sstevel@tonic-gate return (WALK_NEXT);
137*0Sstevel@tonic-gate }
138*0Sstevel@tonic-gate
139*0Sstevel@tonic-gate int
sysevent_walk_step(mdb_walk_state_t * wsp)140*0Sstevel@tonic-gate sysevent_walk_step(mdb_walk_state_t *wsp)
141*0Sstevel@tonic-gate {
142*0Sstevel@tonic-gate int status;
143*0Sstevel@tonic-gate sysevent_queue_t se_q;
144*0Sstevel@tonic-gate
145*0Sstevel@tonic-gate if (wsp->walk_addr == NULL)
146*0Sstevel@tonic-gate return (WALK_DONE);
147*0Sstevel@tonic-gate
148*0Sstevel@tonic-gate if (mdb_vread(&se_q, sizeof (se_q), wsp->walk_addr) == -1) {
149*0Sstevel@tonic-gate mdb_warn("failed to read sysevent queue at %p", wsp->walk_addr);
150*0Sstevel@tonic-gate return (WALK_ERR);
151*0Sstevel@tonic-gate }
152*0Sstevel@tonic-gate
153*0Sstevel@tonic-gate status = wsp->walk_callback((uintptr_t)se_q.sq_ev, NULL,
154*0Sstevel@tonic-gate wsp->walk_cbdata);
155*0Sstevel@tonic-gate
156*0Sstevel@tonic-gate wsp->walk_addr = (uintptr_t)se_q.sq_next;
157*0Sstevel@tonic-gate
158*0Sstevel@tonic-gate return (status);
159*0Sstevel@tonic-gate }
160*0Sstevel@tonic-gate
161*0Sstevel@tonic-gate static const mdb_walker_t walkers[] = {
162*0Sstevel@tonic-gate { "sysevent", "walk sysevent buffer queue",
163*0Sstevel@tonic-gate sysevent_walk_init, sysevent_walk_step,
164*0Sstevel@tonic-gate NULL },
165*0Sstevel@tonic-gate { "sysevent_class_list", "walk sysevent subsccription class list",
166*0Sstevel@tonic-gate sysevent_class_list_walk_init, sysevent_class_list_walk_step,
167*0Sstevel@tonic-gate sysevent_class_list_walk_fini },
168*0Sstevel@tonic-gate { "sysevent_subclass_list", "walk sysevent subsccription subclass list",
169*0Sstevel@tonic-gate sysevent_subclass_list_walk_init,
170*0Sstevel@tonic-gate sysevent_subclass_list_walk_step, NULL },
171*0Sstevel@tonic-gate { NULL }
172*0Sstevel@tonic-gate };
173*0Sstevel@tonic-gate
174*0Sstevel@tonic-gate static const mdb_modinfo_t modinfo = {
175*0Sstevel@tonic-gate MDB_API_VERSION, dcmds, walkers
176*0Sstevel@tonic-gate };
177*0Sstevel@tonic-gate
178*0Sstevel@tonic-gate const mdb_modinfo_t *
_mdb_init(void)179*0Sstevel@tonic-gate _mdb_init(void)
180*0Sstevel@tonic-gate {
181*0Sstevel@tonic-gate return (&modinfo);
182*0Sstevel@tonic-gate }
183