usr/src/uts/intel/io/intel_nhm/dimm_topo.c

   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 2010 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #include <sys/types.h>
  28 #include <sys/time.h>
  29 #include <sys/nvpair.h>
  30 #include <sys/cmn_err.h>
  31 #include <sys/cred.h>
  32 #include <sys/open.h>
  33 #include <sys/ddi.h>
  34 #include <sys/sunddi.h>
  35 #include <sys/conf.h>
  36 #include <sys/modctl.h>
  37 #include <sys/cyclic.h>
  38 #include <sys/errorq.h>
  39 #include <sys/stat.h>
  40 #include <sys/cpuvar.h>
  41 #include <sys/mc_intel.h>
  42 #include <sys/mc.h>
  43 #include <sys/fm/protocol.h>
  44 #include "nhm_log.h"
  45 #include "intel_nhm.h"
  46
  47 extern nvlist_t *inhm_mc_nvl[MAX_CPU_NODES];
  48 extern char closed_page;
  49 extern char ecc_enabled;
  50 extern char lockstep[MAX_CPU_NODES];
  51 extern char mirror_mode[MAX_CPU_NODES];
  52 extern char spare_channel[MAX_CPU_NODES];
  53
  54 static void
  55 inhm_vrank(nvlist_t *vrank, int num, uint64_t dimm_base, uint64_t limit,
  56     uint32_t sinterleave, uint32_t cinterleave, uint32_t rinterleave,
  57     uint32_t sway, uint32_t cway, uint32_t rway)
  58 {
  59         char buf[128];
  60
  61         (void) snprintf(buf, sizeof (buf), "dimm-rank-base-%d", num);
  62         (void) nvlist_add_uint64(vrank, buf, dimm_base);
  63         (void) snprintf(buf, sizeof (buf), "dimm-rank-limit-%d", num);
  64         (void) nvlist_add_uint64(vrank, buf, dimm_base + limit);
  65         if (sinterleave > 1) {
  66                 (void) snprintf(buf, sizeof (buf), "dimm-socket-interleave-%d",
  67                     num);
  68                 (void) nvlist_add_uint32(vrank, buf, sinterleave);
  69                 (void) snprintf(buf, sizeof (buf),
  70                     "dimm-socket-interleave-way-%d", num);
  71                 (void) nvlist_add_uint32(vrank, buf, sway);
  72         }
  73         if (cinterleave > 1) {
  74                 (void) snprintf(buf, sizeof (buf), "dimm-channel-interleave-%d",
  75                     num);
  76                 (void) nvlist_add_uint32(vrank, buf, cinterleave);
  77                 (void) snprintf(buf, sizeof (buf),
  78                     "dimm-channel-interleave-way-%d", num);
  79                 (void) nvlist_add_uint32(vrank, buf, cway);
  80         }
  81         if (rinterleave > 1) {
  82                 (void) snprintf(buf, sizeof (buf), "dimm-rank-interleave-%d",
  83                     num);
  84                 (void) nvlist_add_uint32(vrank, buf, rinterleave);
  85                 (void) snprintf(buf, sizeof (buf),
  86                     "dimm-rank-interleave-way-%d", num);
  87                 (void) nvlist_add_uint32(vrank, buf, rway);
  88         }
  89 }
  90
  91 static void
  92 inhm_rank(nvlist_t *newdimm, nhm_dimm_t *nhm_dimm, uint32_t node,
  93     uint8_t channel, uint32_t dimm, uint64_t rank_size)
  94 {
  95         nvlist_t **newrank;
  96         int num;
  97         int i;
  98         uint64_t dimm_base;
  99         uint64_t vrank_sz;
 100         uint64_t rank_addr;
 101         uint64_t pa;
 102         uint32_t sinterleave, cinterleave, rinterleave;
 103         uint32_t sway, cway, rway;
 104
 105         newrank = kmem_zalloc(sizeof (nvlist_t *) * nhm_dimm->nranks, KM_SLEEP);
 106         for (i = 0; i < nhm_dimm->nranks; i++) {
 107                 (void) nvlist_alloc(&newrank[i], NV_UNIQUE_NAME, KM_SLEEP);
 108                 rank_addr = 0;
 109                 num = 0;
 110                 while (rank_addr < rank_size) {
 111                         pa = dimm_to_addr(node, channel, dimm * 4 + i,
 112                             rank_addr, &dimm_base, &vrank_sz, &sinterleave,
 113                             &cinterleave, &rinterleave, &sway, &cway, &rway);
 114                         if (pa == -1 || vrank_sz == 0)
 115                                 break;
 116                         inhm_vrank(newrank[i], num, dimm_base,
 117                             vrank_sz * sinterleave * cinterleave * rinterleave,
 118                             sinterleave, cinterleave, rinterleave, sway, cway,
 119                             rway);
 120                         rank_addr += vrank_sz;
 121                         num++;
 122                 }
 123
 124         }
 125         (void) nvlist_add_nvlist_array(newdimm, MCINTEL_NVLIST_RANKS, newrank,
 126             nhm_dimm->nranks);
 127         for (i = 0; i < nhm_dimm->nranks; i++)
 128                 nvlist_free(newrank[i]);
 129         kmem_free(newrank, sizeof (nvlist_t *) * nhm_dimm->nranks);
 130 }
 131
 132 static nvlist_t *
 133 inhm_dimm(nhm_dimm_t *nhm_dimm, uint32_t node, uint8_t channel, uint32_t dimm)
 134 {
 135         nvlist_t *newdimm;
 136         uint8_t t;
 137         char sbuf[65];
 138
 139         (void) nvlist_alloc(&newdimm, NV_UNIQUE_NAME, KM_SLEEP);
 140         (void) nvlist_add_uint32(newdimm, "dimm-number", dimm);
 141
 142         if (nhm_dimm->dimm_size >= 1024*1024*1024) {
 143                 (void) snprintf(sbuf, sizeof (sbuf), "%dG",
 144                     (int)(nhm_dimm->dimm_size / (1024*1024*1024)));
 145         } else {
 146                 (void) snprintf(sbuf, sizeof (sbuf), "%dM",
 147                     (int)(nhm_dimm->dimm_size / (1024*1024)));
 148         }
 149         (void) nvlist_add_string(newdimm, "dimm-size", sbuf);
 150         (void) nvlist_add_uint64(newdimm, "size", nhm_dimm->dimm_size);
 151         (void) nvlist_add_uint32(newdimm, "nbanks", (uint32_t)nhm_dimm->nbanks);
 152         (void) nvlist_add_uint32(newdimm, "ncolumn",
 153             (uint32_t)nhm_dimm->ncolumn);
 154         (void) nvlist_add_uint32(newdimm, "nrow", (uint32_t)nhm_dimm->nrow);
 155         (void) nvlist_add_uint32(newdimm, "width", (uint32_t)nhm_dimm->width);
 156         (void) nvlist_add_uint32(newdimm, "ranks", (uint32_t)nhm_dimm->nranks);
 157         inhm_rank(newdimm, nhm_dimm, node, channel, dimm,
 158             nhm_dimm->dimm_size / nhm_dimm->nranks);
 159         if (nhm_dimm->manufacturer && nhm_dimm->manufacturer[0]) {
 160                 t = sizeof (nhm_dimm->manufacturer);
 161                 (void) strncpy(sbuf, nhm_dimm->manufacturer, t);
 162                 sbuf[t] = 0;
 163                 (void) nvlist_add_string(newdimm, "manufacturer", sbuf);
 164         }
 165         if (nhm_dimm->serial_number && nhm_dimm->serial_number[0]) {
 166                 t = sizeof (nhm_dimm->serial_number);
 167                 (void) strncpy(sbuf, nhm_dimm->serial_number, t);
 168                 sbuf[t] = 0;
 169                 (void) nvlist_add_string(newdimm, FM_FMRI_HC_SERIAL_ID, sbuf);
 170         }
 171         if (nhm_dimm->part_number && nhm_dimm->part_number[0]) {
 172                 t = sizeof (nhm_dimm->part_number);
 173                 (void) strncpy(sbuf, nhm_dimm->part_number, t);
 174                 sbuf[t] = 0;
 175                 (void) nvlist_add_string(newdimm, FM_FMRI_HC_PART, sbuf);
 176         }
 177         if (nhm_dimm->revision && nhm_dimm->revision[0]) {
 178                 t = sizeof (nhm_dimm->revision);
 179                 (void) strncpy(sbuf, nhm_dimm->revision, t);
 180                 sbuf[t] = 0;
 181                 (void) nvlist_add_string(newdimm, FM_FMRI_HC_REVISION, sbuf);
 182         }
 183         t = sizeof (nhm_dimm->label);
 184         (void) strncpy(sbuf, nhm_dimm->label, t);
 185         sbuf[t] = 0;
 186         (void) nvlist_add_string(newdimm, FM_FAULT_FRU_LABEL, sbuf);
 187         return (newdimm);
 188 }
 189
 190 static void
 191 inhm_dimmlist(uint32_t node, nvlist_t *nvl)
 192 {
 193         nvlist_t **dimmlist;
 194         nvlist_t **newchannel;
 195         int nchannels = CHANNELS_PER_MEMORY_CONTROLLER;
 196         int nd;
 197         uint8_t i, j;
 198         nhm_dimm_t **dimmpp;
 199         nhm_dimm_t *dimmp;
 200
 201         dimmlist =  kmem_zalloc(sizeof (nvlist_t *) * MAX_DIMMS_PER_CHANNEL,
 202             KM_SLEEP);
 203         newchannel = kmem_zalloc(sizeof (nvlist_t *) * nchannels, KM_SLEEP);
 204         dimmpp = &nhm_dimms[node * CHANNELS_PER_MEMORY_CONTROLLER *
 205             MAX_DIMMS_PER_CHANNEL];
 206         (void) nvlist_add_string(nvl, "memory-policy",
 207             closed_page ? "closed-page" : "open-page");
 208         (void) nvlist_add_string(nvl, "memory-ecc",
 209             ecc_enabled ? lockstep[node] ? "x8" : "x4" : "no");
 210         for (i = 0; i < nchannels; i++) {
 211                 (void) nvlist_alloc(&newchannel[i], NV_UNIQUE_NAME, KM_SLEEP);
 212                 (void) nvlist_add_string(newchannel[i], "channel-mode",
 213                     CHANNEL_DISABLED(MC_STATUS_RD(node), i) ? "disabled" :
 214                     i != 2 && lockstep[node] ? "lockstep" :
 215                     i != 2 && mirror_mode[node] ?
 216                     REDUNDANCY_LOSS(MC_RAS_STATUS_RD(node)) ?
 217                     "redundancy-loss" : "mirror" :
 218                     i == 2 && spare_channel[node] &&
 219                     !REDUNDANCY_LOSS(MC_RAS_STATUS_RD(node)) ? "spare" :
 220                     "independent");
 221                 nd = 0;
 222                 for (j = 0; j < MAX_DIMMS_PER_CHANNEL; j++) {
 223                         dimmp = *dimmpp;
 224                         if (dimmp != NULL) {
 225                                 dimmlist[nd] = inhm_dimm(dimmp, node, i,
 226                                     (uint32_t)j);
 227                                 nd++;
 228                         }
 229                         dimmpp++;
 230                 }
 231                 if (nd) {
 232                         (void) nvlist_add_nvlist_array(newchannel[i],
 233                             "memory-dimms", dimmlist, nd);
 234                         for (j = 0; j < nd; j++)
 235                                 nvlist_free(dimmlist[j]);
 236                 }
 237         }
 238         (void) nvlist_add_nvlist_array(nvl, MCINTEL_NVLIST_MC, newchannel,
 239             nchannels);
 240         for (i = 0; i < nchannels; i++)
 241                 nvlist_free(newchannel[i]);
 242         kmem_free(dimmlist, sizeof (nvlist_t *) * MAX_DIMMS_PER_CHANNEL);
 243         kmem_free(newchannel, sizeof (nvlist_t *) * nchannels);
 244 }
 245
 246 char *
 247 inhm_mc_name()
 248 {
 249         return (NHM_INTERCONNECT);
 250 }
 251
 252 void
 253 inhm_create_nvl(int chip)
 254 {
 255         nvlist_t *nvl;
 256
 257         (void) nvlist_alloc(&nvl, NV_UNIQUE_NAME, KM_SLEEP);
 258         (void) nvlist_add_uint8(nvl, MCINTEL_NVLIST_VERSTR,
 259             MCINTEL_NVLIST_VERS);
 260         (void) nvlist_add_string(nvl, MCINTEL_NVLIST_MEM, inhm_mc_name());
 261         (void) nvlist_add_uint8(nvl, MCINTEL_NVLIST_NMEM, 1);
 262         (void) nvlist_add_uint8(nvl, MCINTEL_NVLIST_NRANKS, 4);
 263         inhm_dimmlist(chip, nvl);
 264
 265         nvlist_free(inhm_mc_nvl[chip]);
 266         inhm_mc_nvl[chip] = nvl;
 267 }