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 #include <cma.h>
28
29 #include <fcntl.h>
30 #include <unistd.h>
31 #include <strings.h>
32 #include <errno.h>
33 #include <time.h>
34 #include <fm/fmd_api.h>
35 #include <sys/fm/protocol.h>
36 #include <sys/bl.h>
37 #include <sys/processor.h>
38
39 int
cma_cpu_blacklist(fmd_hdl_t * hdl,nvlist_t * nvl,nvlist_t * asru,boolean_t repair)40 cma_cpu_blacklist(fmd_hdl_t *hdl, nvlist_t *nvl, nvlist_t *asru,
41 boolean_t repair)
42 {
43 bl_req_t blr;
44 nvlist_t *fmri;
45 char *fmribuf;
46 size_t fmrisz;
47 int fd, rc, err;
48 char *class;
49
50 /*
51 * Some platforms have special unums for the E$ DIMMs. If we're dealing
52 * with a platform that has these unums, one will have been added to the
53 * fault as the resource. We'll use that for the blacklisting. If we
54 * can't find a resource, we'll fall back to the ASRU.
55 */
56 if (nvlist_lookup_nvlist(nvl, FM_FAULT_RESOURCE, &fmri) != 0)
57 fmri = asru;
58
59 if ((nvlist_lookup_string(nvl, FM_CLASS, &class) != 0) ||
60 (class == NULL) || (*class == '\0')) {
61 fmd_hdl_debug(hdl, "failed to get the fault class name\n");
62 errno = EINVAL;
63 return (-1);
64 }
65
66 if ((fd = open("/dev/bl", O_RDONLY)) < 0)
67 return (-1); /* errno is set for us */
68
69 if ((errno = nvlist_size(fmri, &fmrisz, NV_ENCODE_NATIVE)) != 0 ||
70 (fmribuf = fmd_hdl_alloc(hdl, fmrisz, FMD_SLEEP)) == NULL) {
71 (void) close(fd);
72 return (-1); /* errno is set for us */
73 }
74
75 if ((errno = nvlist_pack(fmri, &fmribuf, &fmrisz,
76 NV_ENCODE_NATIVE, 0)) != 0) {
77 fmd_hdl_free(hdl, fmribuf, fmrisz);
78 (void) close(fd);
79 return (-1); /* errno is set for us */
80 }
81
82 blr.bl_fmri = fmribuf;
83 blr.bl_fmrisz = fmrisz;
84 blr.bl_class = class;
85
86 rc = ioctl(fd, repair ? BLIOC_DELETE : BLIOC_INSERT, &blr);
87 err = errno;
88
89 fmd_hdl_free(hdl, fmribuf, fmrisz);
90 (void) close(fd);
91
92 if (rc < 0 && err != ENOTSUP) {
93 errno = err;
94 return (-1);
95 }
96
97 return (0);
98 }
99
100 /* ARGSUSED */
101 int
cma_cpu_statechange(fmd_hdl_t * hdl,nvlist_t * asru,const char * uuid,int cpustate,boolean_t repair)102 cma_cpu_statechange(fmd_hdl_t *hdl, nvlist_t *asru, const char *uuid,
103 int cpustate, boolean_t repair)
104 {
105 int i;
106 uint_t cpuid;
107
108 if (nvlist_lookup_uint32(asru, FM_FMRI_CPU_ID, &cpuid) != 0) {
109 fmd_hdl_debug(hdl, "missing '%s'\n", FM_FMRI_CPU_ID);
110 cma_stats.bad_flts.fmds_value.ui64++;
111 return (CMA_RA_FAILURE);
112 }
113
114 for (i = 0; i < cma.cma_cpu_tries;
115 i++, (void) nanosleep(&cma.cma_cpu_delay, NULL)) {
116 int oldstate;
117 if ((oldstate = p_online(cpuid, cpustate)) != -1) {
118 fmd_hdl_debug(hdl, "changed cpu %u state from \"%s\" "
119 "to \"%s\"\n", cpuid, p_online_state_fmt(oldstate),
120 p_online_state_fmt(cpustate));
121 if (repair)
122 cma_stats.cpu_repairs.fmds_value.ui64++;
123 else
124 cma_stats.cpu_flts.fmds_value.ui64++;
125 return (CMA_RA_SUCCESS);
126 }
127 }
128
129 fmd_hdl_debug(hdl, "failed to changed cpu %u state to \"%s\": %s\n",
130 cpuid, p_online_state_fmt(cpustate), strerror(errno));
131 cma_stats.cpu_fails.fmds_value.ui64++;
132 return (CMA_RA_FAILURE);
133 }
134