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 41 int 42 cma_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 */ 103 int 104 cma_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