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, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29#include <cda.h>
30
31#include <fcntl.h>
32#include <unistd.h>
33#include <strings.h>
34#include <errno.h>
35#include <time.h>
36#include <fm/fmd_api.h>
37#include <sys/fm/protocol.h>
38#include <sys/processor.h>
39
40static void
41cda_cpu_offline(fmd_hdl_t *hdl, uint_t cpuid, int cpustate)
42{
43	int i;
44
45	for (i = 0; i < cda.cda_cpu_tries;
46	    i++, (void) nanosleep(&cda.cda_cpu_delay, NULL)) {
47		if (p_online(cpuid, cpustate) != -1) {
48			fmd_hdl_debug(hdl, "offlined cpu %u\n", cpuid);
49			cda_stats.dp_offs.fmds_value.ui64++;
50			return;
51		}
52	}
53
54	fmd_hdl_debug(hdl, "failed to offline %u: %s\n", cpuid,
55	    strerror(errno));
56	cda_stats.dp_fails.fmds_value.ui64++;
57}
58
59/*ARGSUSED*/
60void
61cda_dp_retire(fmd_hdl_t *hdl, nvlist_t *nvl, nvlist_t *asru, const char *uuid)
62{
63	int ii;
64	uint_t cpuid;
65	uint_t hc_nprs;
66	nvlist_t **hc_prs;
67	char *id;
68
69	/* Get the hc-list of elements in FMRI, and the size of the list */
70	if (nvlist_lookup_nvlist_array(asru, FM_FMRI_HC_LIST, &hc_prs,
71	    &hc_nprs) != 0) {
72		fmd_hdl_debug(hdl, "failed to get '%s' from dp fault\n",
73			FM_FMRI_HC_LIST);
74		return;
75	}
76
77	/* walk hc-list and offline each CPU present */
78	for (ii = 0; ii < hc_nprs; ii++) {
79		int cpustate = P_FAULTED;
80
81		if (nvlist_lookup_string(hc_prs[ii], FM_FMRI_HC_ID, &id) != 0) {
82			fmd_hdl_debug(hdl, "dp fault missing '%s'\n",
83			FM_FMRI_HC_ID);
84			cda_stats.bad_flts.fmds_value.ui64++;
85			return;
86		}
87
88		cpuid = atoi(id);
89		if (!cda.cda_cpu_dooffline) {
90			fmd_hdl_debug(hdl, "dp suppressed offline of "
91				"CPU %u\n", cpuid);
92			cda_stats.dp_supp.fmds_value.ui64++;
93			continue;
94		}
95
96		if (cda.cda_cpu_forcedoffline)
97			cpustate |= P_FORCED;
98
99		cda_cpu_offline(hdl, cpuid, cpustate);
100	}
101}
102