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 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 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