/*
* 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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <cda.h>
#include <strings.h>
#include <errno.h>
#include <time.h>
#include <sys/utsname.h>
#include <sys/systeminfo.h>
#include <fm/fmd_api.h>
#include <sys/fm/protocol.h>
cda_t cda;
cda_stats_t cda_stats = {
{ "dp_offs", FMD_TYPE_UINT64, "successful cpu offlines" },
{ "dp_fails", FMD_TYPE_UINT64, "datapath faults unresolveable" },
{ "cpu_supp", FMD_TYPE_UINT64, "cpu offlines suppressed" },
{ "bad_flts", FMD_TYPE_UINT64, "invalid fault events received" },
{ "nop_flts", FMD_TYPE_UINT64, "inapplicable fault events received" },
};
typedef struct cda_subscriber {
const char *subr_class;
const char *subr_sname;
uint_t subr_svers;
void (*subr_func)(fmd_hdl_t *, nvlist_t *, nvlist_t *, const char *);
} cda_subscriber_t;
static const cda_subscriber_t cda_subrs[] = {
{ "fault.asic.*.dp", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
cda_dp_retire },
{ NULL, NULL, 0, NULL }
};
static const cda_subscriber_t *
cda_get_subr(fmd_hdl_t *hdl, nvlist_t *nvl, nvlist_t **asrup)
{
const cda_subscriber_t *sp;
nvlist_t *asru;
char *scheme;
uint8_t version;
if (nvlist_lookup_nvlist(nvl, FM_FAULT_ASRU, &asru) != 0 ||
nvlist_lookup_string(asru, FM_FMRI_SCHEME, &scheme) != 0 ||
nvlist_lookup_uint8(asru, FM_VERSION, &version) != 0) {
cda_stats.bad_flts.fmds_value.ui64++;
return (NULL);
}
for (sp = cda_subrs; sp->subr_class != NULL; sp++) {
if (fmd_nvl_class_match(hdl, nvl, sp->subr_class) &&
strcmp(scheme, sp->subr_sname) == 0 &&
version <= sp->subr_svers) {
*asrup = asru;
return (sp);
}
}
cda_stats.nop_flts.fmds_value.ui64++;
return (NULL);
}
static void
cda_recv_list(fmd_hdl_t *hdl, nvlist_t *nvl)
{
char *uuid = NULL;
nvlist_t **nva;
uint_t nvc;
int err = 0;
err |= nvlist_lookup_string(nvl, FM_SUSPECT_UUID, &uuid);
err |= nvlist_lookup_nvlist_array(nvl, FM_SUSPECT_FAULT_LIST,
&nva, &nvc);
if (err != 0) {
cda_stats.bad_flts.fmds_value.ui64++;
return;
}
while (nvc-- != 0) {
nvlist_t *nvl = *nva++;
const cda_subscriber_t *subr;
nvlist_t *asru;
if (fmd_case_uuclosed(hdl, uuid))
break;
if ((subr = cda_get_subr(hdl, nvl, &asru)) == NULL)
continue;
if (subr->subr_func != NULL)
subr->subr_func(hdl, nvl, asru, uuid);
}
}
static void
cda_recv_one(fmd_hdl_t *hdl, nvlist_t *nvl)
{
const cda_subscriber_t *subr;
nvlist_t *asru;
if ((subr = cda_get_subr(hdl, nvl, &asru)) == NULL)
return;
if (subr->subr_func != NULL)
subr->subr_func(hdl, nvl, asru, NULL);
}
/*ARGSUSED*/
static void
cda_recv(fmd_hdl_t *hdl, fmd_event_t *ep, nvlist_t *nvl, const char *class)
{
fmd_hdl_debug(hdl, "received %s\n", class);
if (strcmp(class, FM_LIST_SUSPECT_CLASS) == 0)
cda_recv_list(hdl, nvl);
else
cda_recv_one(hdl, nvl);
}
static const fmd_hdl_ops_t fmd_ops = {
cda_recv, /* fmdo_recv */
NULL, /* fmdo_timeout */
NULL, /* fmdo_close */
NULL, /* fmdo_stats */
NULL, /* fmdo_gc */
};
static const fmd_prop_t fmd_props[] = {
{ "cpu_tries", FMD_TYPE_UINT32, "10" },
{ "cpu_delay", FMD_TYPE_TIME, "1sec" },
{ "cpu_offline_enable", FMD_TYPE_BOOL, "true" },
{ "cpu_forced_offline", FMD_TYPE_BOOL, "true" },
{ NULL, 0, NULL }
};
static const fmd_hdl_info_t fmd_info = {
"Datapath Retire Agent", CDA_VERSION, &fmd_ops, fmd_props
};
static int
cda_platform_check_support(fmd_hdl_t *hdl)
{
char buf[SYS_NMLN];
if (sysinfo(SI_PLATFORM, buf, sizeof (buf)) == -1) {
fmd_hdl_debug(hdl, "sysinfo failed");
return (0);
}
if (strcmp(buf, "SUNW,Sun-Fire-15000") == 0 ||
strcmp(buf, "SUNW,Sun-Fire") == 0 ||
strcmp(buf, "SUNW,Netra-T12") == 0)
return (1);
else
return (0);
}
void
_fmd_init(fmd_hdl_t *hdl)
{
hrtime_t nsec;
if (fmd_hdl_register(hdl, FMD_API_VERSION, &fmd_info) != 0)
return; /* invalid data in configuration file */
if (cda_platform_check_support(hdl) == 0) {
fmd_hdl_debug(hdl, "platform not supported");
fmd_hdl_unregister(hdl);
return;
}
fmd_hdl_subscribe(hdl, "fault.asic.*.dp");
(void) fmd_stat_create(hdl, FMD_STAT_NOALLOC, sizeof (cda_stats) /
sizeof (fmd_stat_t), (fmd_stat_t *)&cda_stats);
cda.cda_cpu_tries = fmd_prop_get_int32(hdl, "cpu_tries");
nsec = fmd_prop_get_int64(hdl, "cpu_delay");
cda.cda_cpu_delay.tv_sec = nsec / NANOSEC;
cda.cda_cpu_delay.tv_nsec = nsec % NANOSEC;
cda.cda_cpu_dooffline = fmd_prop_get_int32(hdl,
"cpu_offline_enable");
cda.cda_cpu_forcedoffline = fmd_prop_get_int32(hdl,
"cpu_forced_offline");
}
/*ARGSUSED*/
void
_fmd_fini(fmd_hdl_t *hdl)
{
}