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/*
23 * Copyright 2008 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 <cma.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/bl.h>
39#include <sys/processor.h>
40
41int
42cma_cpu_blacklist(fmd_hdl_t *hdl, nvlist_t *nvl, nvlist_t *asru,
43    boolean_t repair)
44{
45	bl_req_t blr;
46	nvlist_t *fmri;
47	char *fmribuf;
48	size_t fmrisz;
49	int fd, rc, err;
50	char *class;
51
52	/*
53	 * Some platforms have special unums for the E$ DIMMs.  If we're dealing
54	 * with a platform that has these unums, one will have been added to the
55	 * fault as the resource.  We'll use that for the blacklisting.  If we
56	 * can't find a resource, we'll fall back to the ASRU.
57	 */
58	if (nvlist_lookup_nvlist(nvl, FM_FAULT_RESOURCE, &fmri) != 0)
59		fmri = asru;
60
61	if ((nvlist_lookup_string(nvl, FM_CLASS, &class) != 0) ||
62	    (class == NULL) || (*class == '\0')) {
63		fmd_hdl_debug(hdl, "failed to get the fault class name\n");
64		errno = EINVAL;
65		return (-1);
66	}
67
68	if ((fd = open("/dev/bl", O_RDONLY)) < 0)
69		return (-1); /* errno is set for us */
70
71	if ((errno = nvlist_size(fmri, &fmrisz, NV_ENCODE_NATIVE)) != 0 ||
72	    (fmribuf = fmd_hdl_alloc(hdl, fmrisz, FMD_SLEEP)) == NULL) {
73		(void) close(fd);
74		return (-1); /* errno is set for us */
75	}
76
77	if ((errno = nvlist_pack(fmri, &fmribuf, &fmrisz,
78	    NV_ENCODE_NATIVE, 0)) != 0) {
79		fmd_hdl_free(hdl, fmribuf, fmrisz);
80		(void) close(fd);
81		return (-1); /* errno is set for us */
82	}
83
84	blr.bl_fmri = fmribuf;
85	blr.bl_fmrisz = fmrisz;
86	blr.bl_class = class;
87
88	rc = ioctl(fd, repair ? BLIOC_DELETE : BLIOC_INSERT, &blr);
89	err = errno;
90
91	fmd_hdl_free(hdl, fmribuf, fmrisz);
92	(void) close(fd);
93
94	if (rc < 0 && err != ENOTSUP) {
95		errno = err;
96		return (-1);
97	}
98
99	return (0);
100}
101
102/* ARGSUSED */
103int
104cma_cpu_statechange(fmd_hdl_t *hdl, nvlist_t *asru, const char *uuid,
105    int cpustate, boolean_t repair)
106{
107	int i;
108	uint_t cpuid;
109
110	if (nvlist_lookup_uint32(asru, FM_FMRI_CPU_ID, &cpuid) != 0) {
111		fmd_hdl_debug(hdl, "missing '%s'\n", FM_FMRI_CPU_ID);
112		cma_stats.bad_flts.fmds_value.ui64++;
113		return (CMA_RA_FAILURE);
114	}
115
116	for (i = 0; i < cma.cma_cpu_tries;
117	    i++, (void) nanosleep(&cma.cma_cpu_delay, NULL)) {
118		int oldstate;
119		if ((oldstate = p_online(cpuid, cpustate)) != -1) {
120			fmd_hdl_debug(hdl, "changed cpu %u state from \"%s\" "
121			    "to \"%s\"\n", cpuid, p_online_state_fmt(oldstate),
122			    p_online_state_fmt(cpustate));
123			if (repair)
124				cma_stats.cpu_repairs.fmds_value.ui64++;
125			else
126				cma_stats.cpu_flts.fmds_value.ui64++;
127			return (CMA_RA_SUCCESS);
128		}
129	}
130
131	fmd_hdl_debug(hdl, "failed to changed cpu %u state to \"%s\": %s\n",
132	    cpuid, p_online_state_fmt(cpustate), strerror(errno));
133	cma_stats.cpu_fails.fmds_value.ui64++;
134	return (CMA_RA_FAILURE);
135}
136