/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2002-2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/sysevent.h>
#include <sys/sysevent_impl.h>
#include <libsysevent.h>
#include <libsysevent_impl.h>
#include "../genunix/sysevent.h"
int
sysevent(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
if ((flags & DCMD_ADDRSPEC) == 0)
return (DCMD_USAGE);
if ((flags & DCMD_LOOP) == 0) {
if (mdb_pwalk_dcmd("sysevent", "sysevent", argc, argv,
addr) == -1) {
mdb_warn("can't walk sysevent queue");
return (DCMD_ERR);
}
return (DCMD_OK);
}
return (sysevent_buf(addr, flags, 0));
}
/*ARGSUSED*/
int
sysevent_handle(uintptr_t addr, uint_t flags, int argc,
const mdb_arg_t *argv)
{
ssize_t channel_name_sz;
char channel_name[CLASS_LIST_FIELD_MAX];
subscriber_priv_t sub;
sysevent_impl_hdl_t sysevent_hdl;
if ((flags & DCMD_ADDRSPEC) == 0)
return (DCMD_USAGE);
if (argc != 0)
return (DCMD_USAGE);
if (mdb_vread(&sysevent_hdl, sizeof (sysevent_hdl),
(uintptr_t)addr) == -1) {
mdb_warn("failed to read sysevent handle at %p", addr);
return (DCMD_ERR);
}
if ((channel_name_sz = mdb_readstr(channel_name, CLASS_LIST_FIELD_MAX,
(uintptr_t)sysevent_hdl.sh_channel_name)) == -1) {
mdb_warn("failed to read channel name at %p",
sysevent_hdl.sh_channel_name);
return (DCMD_ERR);
}
if (channel_name_sz >= CLASS_LIST_FIELD_MAX - 1)
(void) strcpy(&channel_name[CLASS_LIST_FIELD_MAX - 4], "...");
if (sysevent_hdl.sh_type == SUBSCRIBER) {
if (mdb_vread(&sub, sizeof (sub),
(uintptr_t)sysevent_hdl.sh_priv_data) == -1) {
mdb_warn("failed to read sysevent handle at %p", addr);
return (DCMD_ERR);
}
if (DCMD_HDRSPEC(flags))
mdb_printf("%<u>%-?s %-24s %-13s %-5s %-?s"
"%</u>\n", "ADDR", "NAME", "TYPE", "ID",
"EVENT QUEUE ADDR");
mdb_printf("%-?p %-24s %-13s %-5lu %-?p\n",
addr, channel_name, "SUBSCRIBER", sysevent_hdl.sh_id,
(uintptr_t)sub.sp_evq_head);
} else {
if (DCMD_HDRSPEC(flags))
mdb_printf("%<u>%-?s %-24s %-13s %-5s %-?s"
"%</u>\n", "ADDR", "NAME",
"TYPE", "ID", "CLASS LIST ADDR");
mdb_printf("%-?p %-24s %-13s %-5lu %-?p\n",
addr, channel_name, "PUBLISHER", sysevent_hdl.sh_id,
(uintptr_t)sysevent_hdl.sh_priv_data +
offsetof(publisher_priv_t, pp_class_hash));
}
return (DCMD_OK);
}
static const mdb_dcmd_t dcmds[] = {
{ "sysevent", "?[-v]", "print the contents of a sysevent queue",
sysevent},
{ "sysevent_handle", ":", "print sysevent subscriber/publisher handle",
sysevent_handle},
{ "sysevent_class_list", ":", "print sysevent class list",
sysevent_class_list },
{ "sysevent_subclass_list", ":", "print sysevent subclass list",
sysevent_subclass_list },
{ NULL }
};
int
sysevent_walk_init(mdb_walk_state_t *wsp)
{
if (wsp->walk_addr == NULL) {
mdb_warn("sysevent does not support global walks");
return (WALK_ERR);
}
return (WALK_NEXT);
}
int
sysevent_walk_step(mdb_walk_state_t *wsp)
{
int status;
sysevent_queue_t se_q;
if (wsp->walk_addr == NULL)
return (WALK_DONE);
if (mdb_vread(&se_q, sizeof (se_q), wsp->walk_addr) == -1) {
mdb_warn("failed to read sysevent queue at %p", wsp->walk_addr);
return (WALK_ERR);
}
status = wsp->walk_callback((uintptr_t)se_q.sq_ev, NULL,
wsp->walk_cbdata);
wsp->walk_addr = (uintptr_t)se_q.sq_next;
return (status);
}
static const mdb_walker_t walkers[] = {
{ "sysevent", "walk sysevent buffer queue",
sysevent_walk_init, sysevent_walk_step,
NULL },
{ "sysevent_class_list", "walk sysevent subsccription class list",
sysevent_class_list_walk_init, sysevent_class_list_walk_step,
sysevent_class_list_walk_fini },
{ "sysevent_subclass_list", "walk sysevent subsccription subclass list",
sysevent_subclass_list_walk_init,
sysevent_subclass_list_walk_step, NULL },
{ NULL }
};
static const mdb_modinfo_t modinfo = {
MDB_API_VERSION, dcmds, walkers
};
const mdb_modinfo_t *
_mdb_init(void)
{
return (&modinfo);
}