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 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 * Copyright (c) 2018, Joyent, Inc. 25 */ 26 27 #include <sys/stat.h> 28 #include <sys/types.h> 29 #include <sys/time.h> 30 31 #include <sys/fm/protocol.h> 32 #include <sys/fm/smb/fmsmb.h> 33 #include <sys/devfm.h> 34 35 #include <sys/cpu_module.h> 36 37 #define ANY_ID (uint_t)-1 38 39 /* 40 * INIT_HDLS is the initial size of cmi_hdl_t array. We fill the array 41 * during cmi_hdl_walk, if the array overflows, we will reallocate 42 * a new array twice the size of the old one. 43 */ 44 #define INIT_HDLS 16 45 46 typedef struct fm_cmi_walk_t 47 { 48 uint_t chipid; /* chipid to match during walk */ 49 uint_t coreid; /* coreid to match */ 50 uint_t strandid; /* strandid to match */ 51 int (*cbfunc)(cmi_hdl_t, void *, void *); /* callback function */ 52 cmi_hdl_t *hdls; /* allocated array to save the handles */ 53 int nhdl_max; /* allocated array size */ 54 int nhdl; /* handles saved */ 55 } fm_cmi_walk_t; 56 57 extern int x86gentopo_legacy; 58 59 int 60 fm_get_paddr(nvlist_t *nvl, uint64_t *paddr) 61 { 62 uint8_t version; 63 uint64_t pa; 64 char *scheme; 65 int err; 66 67 /* Verify FMRI scheme name and version number */ 68 if ((nvlist_lookup_string(nvl, FM_FMRI_SCHEME, &scheme) != 0) || 69 (strcmp(scheme, FM_FMRI_SCHEME_HC) != 0) || 70 (nvlist_lookup_uint8(nvl, FM_VERSION, &version) != 0) || 71 version > FM_HC_SCHEME_VERSION) { 72 return (EINVAL); 73 } 74 75 if ((err = cmi_mc_unumtopa(NULL, nvl, &pa)) != CMI_SUCCESS && 76 err != CMIERR_MC_PARTIALUNUMTOPA) 77 return (EINVAL); 78 79 *paddr = pa; 80 return (0); 81 } 82 83 /* 84 * Routines for cmi handles walk. 85 */ 86 87 static void 88 walk_init(fm_cmi_walk_t *wp, uint_t chipid, uint_t coreid, uint_t strandid, 89 int (*cbfunc)(cmi_hdl_t, void *, void *)) 90 { 91 wp->chipid = chipid; 92 wp->coreid = coreid; 93 wp->strandid = strandid; 94 /* 95 * If callback is not set, we allocate an array to save the 96 * cmi handles. 97 */ 98 if ((wp->cbfunc = cbfunc) == NULL) { 99 wp->hdls = kmem_alloc(sizeof (cmi_hdl_t) * INIT_HDLS, KM_SLEEP); 100 wp->nhdl_max = INIT_HDLS; 101 wp->nhdl = 0; 102 } 103 } 104 105 static void 106 walk_fini(fm_cmi_walk_t *wp) 107 { 108 if (wp->cbfunc == NULL) 109 kmem_free(wp->hdls, sizeof (cmi_hdl_t) * wp->nhdl_max); 110 } 111 112 static int 113 select_cmi_hdl(cmi_hdl_t hdl, void *arg1, void *arg2, void *arg3) 114 { 115 fm_cmi_walk_t *wp = (fm_cmi_walk_t *)arg1; 116 117 if (wp->chipid != ANY_ID && wp->chipid != cmi_hdl_chipid(hdl)) 118 return (CMI_HDL_WALK_NEXT); 119 if (wp->coreid != ANY_ID && wp->coreid != cmi_hdl_coreid(hdl)) 120 return (CMI_HDL_WALK_NEXT); 121 if (wp->strandid != ANY_ID && wp->strandid != cmi_hdl_strandid(hdl)) 122 return (CMI_HDL_WALK_NEXT); 123 124 /* 125 * Call the callback function if any exists, otherwise we hold a 126 * reference of the handle and push it to preallocated array. 127 * If the allocated array is going to overflow, reallocate a 128 * bigger one to replace it. 129 */ 130 if (wp->cbfunc != NULL) 131 return (wp->cbfunc(hdl, arg2, arg3)); 132 133 if (wp->nhdl == wp->nhdl_max) { 134 size_t sz = sizeof (cmi_hdl_t) * wp->nhdl_max; 135 cmi_hdl_t *newarray = kmem_alloc(sz << 1, KM_SLEEP); 136 137 bcopy(wp->hdls, newarray, sz); 138 kmem_free(wp->hdls, sz); 139 wp->hdls = newarray; 140 wp->nhdl_max <<= 1; 141 } 142 143 cmi_hdl_hold(hdl); 144 wp->hdls[wp->nhdl++] = hdl; 145 146 return (CMI_HDL_WALK_NEXT); 147 } 148 149 static void 150 populate_cpu(nvlist_t **nvlp, cmi_hdl_t hdl) 151 { 152 uint_t fm_chipid; 153 uint16_t smbios_id; 154 const char *idstr; 155 156 (void) nvlist_alloc(nvlp, NV_UNIQUE_NAME, KM_SLEEP); 157 158 /* 159 * If SMBIOS satisfies FMA Topology needs, gather 160 * more information on the chip's physical roots 161 * like /chassis=x/motherboard=y/cpuboard=z and 162 * set the chip_id to match the SMBIOS' Type 4 163 * ordering & this has to match the ereport's chip 164 * resource instance derived off of SMBIOS. 165 * Multi-Chip-Module support should set the chipid 166 * in terms of the processor package rather than 167 * the die/node in the processor package, for FM. 168 */ 169 170 if (!x86gentopo_legacy) { 171 smbios_id = cmi_hdl_smbiosid(hdl); 172 fm_chipid = cmi_hdl_smb_chipid(hdl); 173 (void) nvlist_add_nvlist(*nvlp, FM_PHYSCPU_INFO_CHIP_ROOTS, 174 cmi_hdl_smb_bboard(hdl)); 175 (void) nvlist_add_uint16(*nvlp, FM_PHYSCPU_INFO_SMBIOS_ID, 176 (uint16_t)smbios_id); 177 } else 178 fm_chipid = cmi_hdl_chipid(hdl); 179 180 fm_payload_set(*nvlp, 181 FM_PHYSCPU_INFO_VENDOR_ID, DATA_TYPE_STRING, 182 cmi_hdl_vendorstr(hdl), 183 FM_PHYSCPU_INFO_FAMILY, DATA_TYPE_INT32, 184 (int32_t)cmi_hdl_family(hdl), 185 FM_PHYSCPU_INFO_MODEL, DATA_TYPE_INT32, 186 (int32_t)cmi_hdl_model(hdl), 187 FM_PHYSCPU_INFO_STEPPING, DATA_TYPE_INT32, 188 (int32_t)cmi_hdl_stepping(hdl), 189 FM_PHYSCPU_INFO_CHIP_ID, DATA_TYPE_INT32, 190 (int32_t)fm_chipid, 191 FM_PHYSCPU_INFO_NPROCNODES, DATA_TYPE_INT32, 192 (int32_t)cmi_hdl_procnodes_per_pkg(hdl), 193 FM_PHYSCPU_INFO_PROCNODE_ID, DATA_TYPE_INT32, 194 (int32_t)cmi_hdl_procnodeid(hdl), 195 FM_PHYSCPU_INFO_CORE_ID, DATA_TYPE_INT32, 196 (int32_t)cmi_hdl_coreid(hdl), 197 FM_PHYSCPU_INFO_STRAND_ID, DATA_TYPE_INT32, 198 (int32_t)cmi_hdl_strandid(hdl), 199 FM_PHYSCPU_INFO_STRAND_APICID, DATA_TYPE_INT32, 200 (int32_t)cmi_hdl_strand_apicid(hdl), 201 FM_PHYSCPU_INFO_CHIP_REV, DATA_TYPE_STRING, 202 cmi_hdl_chiprevstr(hdl), 203 FM_PHYSCPU_INFO_SOCKET_TYPE, DATA_TYPE_UINT32, 204 (uint32_t)cmi_hdl_getsockettype(hdl), 205 FM_PHYSCPU_INFO_CPU_ID, DATA_TYPE_INT32, 206 (int32_t)cmi_hdl_logical_id(hdl), 207 NULL); 208 209 /* 210 * Do this separately so that way if there is no ident string we do not 211 * trigger an error. 212 */ 213 if ((idstr = cmi_hdl_chipident(hdl)) != NULL) { 214 fm_payload_set(*nvlp, 215 FM_PHYSCPU_INFO_CHIP_IDENTSTR, DATA_TYPE_STRING, idstr, 216 NULL); 217 } 218 } 219 220 /*ARGSUSED*/ 221 int 222 fm_ioctl_physcpu_info(int cmd, nvlist_t *invl, nvlist_t **onvlp) 223 { 224 nvlist_t **cpus, *nvl; 225 int i, err; 226 fm_cmi_walk_t wk; 227 228 /* 229 * Do a walk to save all the cmi handles in the array. 230 */ 231 walk_init(&wk, ANY_ID, ANY_ID, ANY_ID, NULL); 232 cmi_hdl_walk(select_cmi_hdl, &wk, NULL, NULL); 233 234 if (wk.nhdl == 0) { 235 walk_fini(&wk); 236 return (ENOENT); 237 } 238 239 cpus = kmem_alloc(sizeof (nvlist_t *) * wk.nhdl, KM_SLEEP); 240 for (i = 0; i < wk.nhdl; i++) { 241 populate_cpu(cpus + i, wk.hdls[i]); 242 cmi_hdl_rele(wk.hdls[i]); 243 } 244 245 walk_fini(&wk); 246 247 (void) nvlist_alloc(&nvl, NV_UNIQUE_NAME, KM_SLEEP); 248 err = nvlist_add_nvlist_array(nvl, FM_PHYSCPU_INFO_CPUS, 249 cpus, wk.nhdl); 250 251 for (i = 0; i < wk.nhdl; i++) 252 nvlist_free(cpus[i]); 253 kmem_free(cpus, sizeof (nvlist_t *) * wk.nhdl); 254 255 if (err != 0) { 256 nvlist_free(nvl); 257 return (err); 258 } 259 260 *onvlp = nvl; 261 return (0); 262 } 263 264 int 265 fm_ioctl_cpu_retire(int cmd, nvlist_t *invl, nvlist_t **onvlp) 266 { 267 int32_t chipid, coreid, strandid; 268 int rc, new_status, old_status; 269 cmi_hdl_t hdl; 270 nvlist_t *nvl; 271 272 switch (cmd) { 273 case FM_IOC_CPU_RETIRE: 274 new_status = P_FAULTED; 275 break; 276 case FM_IOC_CPU_STATUS: 277 new_status = P_STATUS; 278 break; 279 case FM_IOC_CPU_UNRETIRE: 280 new_status = P_ONLINE; 281 break; 282 default: 283 return (ENOTTY); 284 } 285 286 if (nvlist_lookup_int32(invl, FM_CPU_RETIRE_CHIP_ID, &chipid) != 0 || 287 nvlist_lookup_int32(invl, FM_CPU_RETIRE_CORE_ID, &coreid) != 0 || 288 nvlist_lookup_int32(invl, FM_CPU_RETIRE_STRAND_ID, &strandid) != 0) 289 return (EINVAL); 290 291 hdl = cmi_hdl_lookup(CMI_HDL_NEUTRAL, chipid, coreid, strandid); 292 if (hdl == NULL) 293 return (EINVAL); 294 295 rc = cmi_hdl_online(hdl, new_status, &old_status); 296 cmi_hdl_rele(hdl); 297 298 if (rc == 0) { 299 (void) nvlist_alloc(&nvl, NV_UNIQUE_NAME, KM_SLEEP); 300 (void) nvlist_add_int32(nvl, FM_CPU_RETIRE_OLDSTATUS, 301 old_status); 302 *onvlp = nvl; 303 } 304 305 return (rc); 306 } 307 308 /* 309 * Retrun the value of x86gentopo_legacy variable as an nvpair. 310 * 311 * The caller is responsible for freeing the nvlist. 312 */ 313 /* ARGSUSED */ 314 int 315 fm_ioctl_gentopo_legacy(int cmd, nvlist_t *invl, nvlist_t **onvlp) 316 { 317 nvlist_t *nvl; 318 319 if (cmd != FM_IOC_GENTOPO_LEGACY) { 320 return (ENOTTY); 321 } 322 323 /* 324 * Inform the caller of the intentions of the ereport generators to 325 * generate either a "generic" or "legacy" x86 topology. 326 */ 327 328 (void) nvlist_alloc(&nvl, NV_UNIQUE_NAME, KM_SLEEP); 329 (void) nvlist_add_int32(nvl, FM_GENTOPO_LEGACY, x86gentopo_legacy); 330 *onvlp = nvl; 331 332 return (0); 333 } 334