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 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 #include <gmem_state.h> 26 #include <gmem_mem.h> 27 #include <gmem_page.h> 28 #include <gmem_dimm.h> 29 #include <gmem.h> 30 31 #include <errno.h> 32 #include <string.h> 33 #include <unistd.h> 34 #include <strings.h> 35 #include <fm/fmd_api.h> 36 #include <fm/libtopo.h> 37 #include <sys/fm/protocol.h> 38 #include <sys/async.h> 39 40 gmem_t gmem; 41 42 typedef struct gmem_subscriber { 43 const char *subr_class; 44 gmem_evdisp_t (*subr_func)(fmd_hdl_t *, fmd_event_t *, nvlist_t *, 45 const char *); 46 gmem_evdisp_stat_t subr_stat; 47 } gmem_subscriber_t; 48 49 static gmem_subscriber_t gmem_subscribers[] = { 50 { "ereport.cpu.generic-sparc.mem-is", gmem_ce }, 51 { "ereport.cpu.generic-sparc.mem-unk", gmem_ce }, 52 { "ereport.cpu.generic-sparc.mem-cs", gmem_ce }, 53 { "ereport.cpu.generic-sparc.mem-ss", gmem_ce }, 54 { NULL, NULL } 55 }; 56 57 static void 58 gmem_recv(fmd_hdl_t *hdl, fmd_event_t *ep, nvlist_t *nvl, const char *class) 59 { 60 gmem_subscriber_t *sp; 61 int disp; 62 63 fmd_hdl_debug(hdl, "gmem_recv: begin: %s\n", strrchr(class, '.') + 1); 64 65 for (sp = gmem_subscribers; sp->subr_class != NULL; sp++) { 66 if (fmd_nvl_class_match(hdl, nvl, sp->subr_class)) { 67 disp = sp->subr_func(hdl, ep, nvl, class); 68 ((fmd_stat_t *)&sp->subr_stat)[disp].fmds_value.ui64++; 69 fmd_hdl_debug(hdl, "gmem_recv: done: %s (disp %d)\n", 70 strrchr(class, '.') + 1, disp); 71 return; 72 } 73 } 74 75 fmd_hdl_debug(hdl, "gmem_recv: dropping %s - unable to handle\n", 76 class); 77 } 78 79 static void 80 gmem_close(fmd_hdl_t *hdl, fmd_case_t *cp) 81 { 82 gmem_case_closer_t *cl = fmd_case_getspecific(hdl, cp); 83 const char *uuid = fmd_case_uuid(hdl, cp); 84 85 /* 86 * Our active cases all have closers registered in case-specific data. 87 * Cases in the process of closing (for which we've freed all associated 88 * data, but which haven't had an fmd-initiated fmdo_close callback) 89 * have had their case-specific data nulled out. 90 */ 91 fmd_hdl_debug(hdl, "close case %s%s\n", uuid, 92 (cl == NULL ? " (no cl)" : "")); 93 94 if (cl != NULL) 95 cl->cl_func(hdl, cl->cl_arg); 96 } 97 98 static void 99 gmem_gc(fmd_hdl_t *hdl) 100 { 101 gmem_mem_gc(hdl); 102 } 103 104 static gmem_stat_t gm_stats = { 105 { "bad_mem_resource", FMD_TYPE_UINT64, 106 "memory resource missing or malformed" }, 107 { "bad_close", FMD_TYPE_UINT64, "case close for nonexistent case" }, 108 { "old_erpt", FMD_TYPE_UINT64, "ereport out of date wrt hardware" }, 109 { "dimm_creat", FMD_TYPE_UINT64, "created new mem module structure" }, 110 { "page_creat", FMD_TYPE_UINT64, "created new page structure" }, 111 { "ce_unknown", FMD_TYPE_UINT64, "unknown CEs" }, 112 { "ce_interm", FMD_TYPE_UINT64, "intermittent CEs" }, 113 { "ce_clearable_persis", FMD_TYPE_UINT64, "clearable persistent CEs" }, 114 { "ce_sticky", FMD_TYPE_UINT64, "sticky CEs" }, 115 { "dimm_migrat", FMD_TYPE_UINT64, "DIMMs migrated to new version" } 116 }; 117 118 static const fmd_prop_t fmd_props[] = { 119 { "ce_n", FMD_TYPE_UINT32, "3" }, 120 { "ce_t", FMD_TYPE_TIME, "72h" }, 121 { "filter_ratio", FMD_TYPE_UINT32, "0" }, 122 { "max_retired_pages", FMD_TYPE_UINT32, "512" }, 123 { "low_ce_thresh", FMD_TYPE_UINT32, "128"}, 124 { "nupos", FMD_TYPE_UINT32, "4"}, 125 { "dupce", FMD_TYPE_UINT32, "120"}, 126 { NULL, 0, NULL } 127 }; 128 129 static const fmd_hdl_ops_t fmd_ops = { 130 gmem_recv, /* fmdo_recv */ 131 NULL, 132 gmem_close, /* fmdo_close */ 133 NULL, /* fmdo_stats */ 134 gmem_gc /* fmdo_gc */ 135 }; 136 137 static const fmd_hdl_info_t fmd_info = { 138 "SPARC-Generic-Memory Diagnosis", GMEM_VERSION, &fmd_ops, fmd_props 139 }; 140 141 static const struct gmem_evdisp_name { 142 const char *evn_name; 143 const char *evn_desc; 144 } gmem_evdisp_names[] = { 145 { "%s", "ok %s ereports" }, /* GMEM_EVD_OK */ 146 { "bad_%s", "bad %s ereports" }, /* GMEM_EVD_BAD */ 147 { "unused_%s", "unused %s ereports" }, /* GMEM_EVD_UNUSED */ 148 { "redun_%s", "redundant %s ereports" }, /* GMEM_EVD_REDUN */ 149 }; 150 151 void 152 _fmd_fini(fmd_hdl_t *hdl) 153 { 154 gmem_mem_fini(hdl); 155 gmem_page_fini(hdl); 156 } 157 158 void 159 _fmd_init(fmd_hdl_t *hdl) 160 { 161 gmem_subscriber_t *sp; 162 163 if (fmd_hdl_register(hdl, FMD_API_VERSION, &fmd_info) != 0) 164 return; /* error in configuration file or fmd_info */ 165 166 for (sp = gmem_subscribers; sp->subr_class != NULL; sp++) 167 fmd_hdl_subscribe(hdl, sp->subr_class); 168 169 bzero(&gmem, sizeof (gmem_t)); 170 171 gmem.gm_stats = (gmem_stat_t *)fmd_stat_create(hdl, FMD_STAT_NOALLOC, 172 sizeof (gm_stats) / sizeof (fmd_stat_t), 173 (fmd_stat_t *)&gm_stats); 174 175 for (sp = gmem_subscribers; sp->subr_class != NULL; sp++) { 176 const char *type = strrchr(sp->subr_class, '.') + 1; 177 int i; 178 179 for (i = 0; i < sizeof (gmem_evdisp_names) / 180 sizeof (struct gmem_evdisp_name); i++) { 181 fmd_stat_t *stat = ((fmd_stat_t *)&sp->subr_stat) + i; 182 183 (void) snprintf(stat->fmds_name, 184 sizeof (stat->fmds_name), 185 gmem_evdisp_names[i].evn_name, type); 186 187 stat->fmds_type = FMD_TYPE_UINT64; 188 (void) snprintf(stat->fmds_desc, 189 sizeof (stat->fmds_desc), 190 gmem_evdisp_names[i].evn_desc, type); 191 192 (void) fmd_stat_create(hdl, FMD_STAT_NOALLOC, 1, stat); 193 } 194 } 195 196 gmem.gm_pagesize = sysconf(_SC_PAGESIZE); 197 gmem.gm_pagemask = ~((uint64_t)gmem.gm_pagesize - 1); 198 199 gmem.gm_max_retired_pages = fmd_prop_get_int32(hdl, 200 "max_retired_pages"); 201 202 gmem.gm_ce_n = fmd_prop_get_int32(hdl, "ce_n"); 203 gmem.gm_ce_t = fmd_prop_get_int64(hdl, "ce_t"); 204 gmem.gm_filter_ratio = fmd_prop_get_int32(hdl, "filter_ratio"); 205 gmem.gm_low_ce_thresh = fmd_prop_get_int32(hdl, "low_ce_thresh"); 206 gmem.gm_nupos = fmd_prop_get_int32(hdl, "nupos"); 207 gmem.gm_dupce = fmd_prop_get_int32(hdl, "dupce"); 208 209 210 if (gmem_state_restore(hdl) < 0) { 211 _fmd_fini(hdl); 212 fmd_hdl_abort(hdl, "failed to restore saved state\n"); 213 } 214 } 215