1/* 2 * Copyright (c) 2000-2007 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/*- 29 * Copyright (c) 1982, 1986, 1989, 1993 30 * The Regents of the University of California. All rights reserved. 31 * 32 * This code is derived from software contributed to Berkeley by 33 * Mike Karels at Berkeley Software Design, Inc. 34 * 35 * Quite extensively rewritten by Poul-Henning Kamp of the FreeBSD 36 * project, to make these variables more userfriendly. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 3. All advertising materials mentioning features or use of this software 47 * must display the following acknowledgement: 48 * This product includes software developed by the University of 49 * California, Berkeley and its contributors. 50 * 4. Neither the name of the University nor the names of its contributors 51 * may be used to endorse or promote products derived from this software 52 * without specific prior written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 55 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 56 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 57 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 58 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 59 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 60 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 62 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 63 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 64 * SUCH DAMAGE. 65 * 66 * @(#)kern_sysctl.c 8.4 (Berkeley) 4/14/94 67 */ 68 69#include <sys/param.h> 70#include <sys/kernel.h> 71#include <sys/systm.h> 72#include <sys/sysctl.h> 73#include <sys/proc_internal.h> 74#include <sys/unistd.h> 75 76#if defined(SMP) 77#include <machine/smp.h> 78#endif 79 80#include <sys/param.h> /* XXX prune includes */ 81#include <sys/systm.h> 82#include <sys/kernel.h> 83#include <sys/malloc.h> 84#include <sys/proc.h> 85#include <sys/file_internal.h> 86#include <sys/vnode.h> 87#include <sys/unistd.h> 88#include <sys/ioctl.h> 89#include <sys/namei.h> 90#include <sys/tty.h> 91#include <sys/disklabel.h> 92#include <sys/vm.h> 93#include <sys/sysctl.h> 94#include <sys/user.h> 95#include <mach/machine.h> 96#include <mach/mach_types.h> 97#include <mach/vm_param.h> 98#include <kern/task.h> 99#include <vm/vm_kern.h> 100#include <vm/vm_map.h> 101#include <mach/host_info.h> 102#include <kern/pms.h> 103 104extern vm_map_t bsd_pageable_map; 105 106#include <sys/mount_internal.h> 107#include <sys/kdebug.h> 108 109#include <IOKit/IOPlatformExpert.h> 110#include <pexpert/pexpert.h> 111 112#include <machine/machine_routines.h> 113#include <machine/cpu_capabilities.h> 114 115#include <mach/mach_host.h> /* for host_info() */ 116 117#if defined(__i386__) || defined(__x86_64__) 118#include <i386/cpuid.h> /* for cpuid_info() */ 119#endif 120 121 122 123#ifndef MAX 124#define MAX(a,b) (a >= b ? a : b) 125#endif 126 127/* XXX This should be in a BSD accessible Mach header, but isn't. */ 128extern unsigned int vm_page_wire_count; 129 130static int cputype, cpusubtype, cputhreadtype, cpufamily, cpu64bit; 131static uint64_t cacheconfig[10], cachesize[10]; 132static int packages; 133 134SYSCTL_NODE(, 0, sysctl, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 135 "Sysctl internal magic"); 136SYSCTL_NODE(, CTL_KERN, kern, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 137 "High kernel, proc, limits &c"); 138SYSCTL_NODE(, CTL_VM, vm, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 139 "Virtual memory"); 140SYSCTL_NODE(, CTL_VFS, vfs, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 141 "File system"); 142SYSCTL_NODE(, CTL_NET, net, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 143 "Network, (see socket.h)"); 144SYSCTL_NODE(, CTL_DEBUG, debug, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 145 "Debugging"); 146SYSCTL_NODE(, CTL_HW, hw, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 147 "hardware"); 148SYSCTL_NODE(, CTL_MACHDEP, machdep, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 149 "machine dependent"); 150SYSCTL_NODE(, CTL_USER, user, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 151 "user-level"); 152 153#define SYSCTL_RETURN(r, x) SYSCTL_OUT(r, &x, sizeof(x)) 154 155/****************************************************************************** 156 * hw.* MIB 157 */ 158 159#define CTLHW_RETQUAD (1 << 31) 160#define CTLHW_LOCAL (1 << 30) 161 162#define HW_LOCAL_CPUTHREADTYPE (1 | CTLHW_LOCAL) 163#define HW_LOCAL_PHYSICALCPU (2 | CTLHW_LOCAL) 164#define HW_LOCAL_PHYSICALCPUMAX (3 | CTLHW_LOCAL) 165#define HW_LOCAL_LOGICALCPU (4 | CTLHW_LOCAL) 166#define HW_LOCAL_LOGICALCPUMAX (5 | CTLHW_LOCAL) 167 168 169/* 170 * Supporting some variables requires us to do "real" work. We 171 * gather some of that here. 172 */ 173static int 174sysctl_hw_generic(__unused struct sysctl_oid *oidp, __unused void *arg1, 175 int arg2, struct sysctl_req *req) 176{ 177 char dummy[65]; 178 int epochTemp; 179 ml_cpu_info_t cpu_info; 180 int val, doquad; 181 long long qval; 182 host_basic_info_data_t hinfo; 183 kern_return_t kret; 184 mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT; 185 186 /* 187 * Test and mask off the 'return quad' flag. 188 * Note that only some things here support it. 189 */ 190 doquad = arg2 & CTLHW_RETQUAD; 191 arg2 &= ~CTLHW_RETQUAD; 192 193 ml_cpu_get_info(&cpu_info); 194 195#define BSD_HOST 1 196 kret = host_info((host_t)BSD_HOST, HOST_BASIC_INFO, (host_info_t)&hinfo, &count); 197 198 /* 199 * Handle various OIDs. 200 * 201 * OIDs that can return int or quad set val and qval and then break. 202 * Errors and int-only values return inline. 203 */ 204 switch (arg2) { 205 case HW_NCPU: 206 if (kret == KERN_SUCCESS) { 207 return(SYSCTL_RETURN(req, hinfo.max_cpus)); 208 } else { 209 return(EINVAL); 210 } 211 case HW_AVAILCPU: 212 if (kret == KERN_SUCCESS) { 213 return(SYSCTL_RETURN(req, hinfo.avail_cpus)); 214 } else { 215 return(EINVAL); 216 } 217 case HW_LOCAL_PHYSICALCPU: 218 if (kret == KERN_SUCCESS) { 219 return(SYSCTL_RETURN(req, hinfo.physical_cpu)); 220 } else { 221 return(EINVAL); 222 } 223 case HW_LOCAL_PHYSICALCPUMAX: 224 if (kret == KERN_SUCCESS) { 225 return(SYSCTL_RETURN(req, hinfo.physical_cpu_max)); 226 } else { 227 return(EINVAL); 228 } 229 case HW_LOCAL_LOGICALCPU: 230 if (kret == KERN_SUCCESS) { 231 return(SYSCTL_RETURN(req, hinfo.logical_cpu)); 232 } else { 233 return(EINVAL); 234 } 235 case HW_LOCAL_LOGICALCPUMAX: 236 if (kret == KERN_SUCCESS) { 237 return(SYSCTL_RETURN(req, hinfo.logical_cpu_max)); 238 } else { 239 return(EINVAL); 240 } 241 case HW_PAGESIZE: 242 { 243 vm_map_t map = get_task_map(current_task()); 244 val = vm_map_page_size(map); 245 qval = (long long)val; 246 break; 247 } 248 case HW_CACHELINE: 249 val = cpu_info.cache_line_size; 250 qval = (long long)val; 251 break; 252 case HW_L1ICACHESIZE: 253 val = cpu_info.l1_icache_size; 254 qval = (long long)val; 255 break; 256 case HW_L1DCACHESIZE: 257 val = cpu_info.l1_dcache_size; 258 qval = (long long)val; 259 break; 260 case HW_L2CACHESIZE: 261 if (cpu_info.l2_cache_size == 0xFFFFFFFF) 262 return(EINVAL); 263 val = cpu_info.l2_cache_size; 264 qval = (long long)val; 265 break; 266 case HW_L3CACHESIZE: 267 if (cpu_info.l3_cache_size == 0xFFFFFFFF) 268 return(EINVAL); 269 val = cpu_info.l3_cache_size; 270 qval = (long long)val; 271 break; 272 273 /* 274 * Deprecated variables. We still support these for 275 * backwards compatibility purposes only. 276 */ 277 case HW_MACHINE: 278 bzero(dummy, sizeof(dummy)); 279 if(!PEGetMachineName(dummy,64)) 280 return(EINVAL); 281 dummy[64] = 0; 282 return(SYSCTL_OUT(req, dummy, strlen(dummy) + 1)); 283 case HW_MODEL: 284 bzero(dummy, sizeof(dummy)); 285 if(!PEGetModelName(dummy,64)) 286 return(EINVAL); 287 dummy[64] = 0; 288 return(SYSCTL_OUT(req, dummy, strlen(dummy) + 1)); 289 case HW_USERMEM: 290 { 291 int usermem = mem_size - vm_page_wire_count * page_size; 292 293 return(SYSCTL_RETURN(req, usermem)); 294 } 295 case HW_EPOCH: 296 epochTemp = PEGetPlatformEpoch(); 297 if (epochTemp == -1) 298 return(EINVAL); 299 return(SYSCTL_RETURN(req, epochTemp)); 300 case HW_VECTORUNIT: { 301 int vector = cpu_info.vector_unit == 0? 0 : 1; 302 return(SYSCTL_RETURN(req, vector)); 303 } 304 case HW_L2SETTINGS: 305 if (cpu_info.l2_cache_size == 0xFFFFFFFF) 306 return(EINVAL); 307 return(SYSCTL_RETURN(req, cpu_info.l2_settings)); 308 case HW_L3SETTINGS: 309 if (cpu_info.l3_cache_size == 0xFFFFFFFF) 310 return(EINVAL); 311 return(SYSCTL_RETURN(req, cpu_info.l3_settings)); 312 default: 313 return(ENOTSUP); 314 } 315 /* 316 * Callers may come to us with either int or quad buffers. 317 */ 318 if (doquad) { 319 return(SYSCTL_RETURN(req, qval)); 320 } 321 return(SYSCTL_RETURN(req, val)); 322} 323 324/* hw.pagesize and hw.tbfrequency are expected as 64 bit values */ 325static int 326sysctl_pagesize 327(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) 328{ 329 vm_map_t map = get_task_map(current_task()); 330 long long l = vm_map_page_size(map); 331 return sysctl_io_number(req, l, sizeof(l), NULL, NULL); 332} 333 334static int 335sysctl_tbfrequency 336(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) 337{ 338 long long l = gPEClockFrequencyInfo.timebase_frequency_hz; 339 return sysctl_io_number(req, l, sizeof(l), NULL, NULL); 340} 341 342/* 343 * hw.* MIB variables. 344 */ 345SYSCTL_PROC (_hw, HW_NCPU, ncpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_NCPU, sysctl_hw_generic, "I", ""); 346SYSCTL_PROC (_hw, HW_AVAILCPU, activecpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_AVAILCPU, sysctl_hw_generic, "I", ""); 347SYSCTL_PROC (_hw, OID_AUTO, physicalcpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_LOCAL_PHYSICALCPU, sysctl_hw_generic, "I", ""); 348SYSCTL_PROC (_hw, OID_AUTO, physicalcpu_max, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_LOCAL_PHYSICALCPUMAX, sysctl_hw_generic, "I", ""); 349SYSCTL_PROC (_hw, OID_AUTO, logicalcpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_LOCAL_LOGICALCPU, sysctl_hw_generic, "I", ""); 350SYSCTL_PROC (_hw, OID_AUTO, logicalcpu_max, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_LOCAL_LOGICALCPUMAX, sysctl_hw_generic, "I", ""); 351SYSCTL_INT (_hw, HW_BYTEORDER, byteorder, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (int *)NULL, BYTE_ORDER, ""); 352SYSCTL_INT (_hw, OID_AUTO, cputype, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &cputype, 0, ""); 353SYSCTL_INT (_hw, OID_AUTO, cpusubtype, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &cpusubtype, 0, ""); 354SYSCTL_INT (_hw, OID_AUTO, cpu64bit_capable, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &cpu64bit, 0, ""); 355SYSCTL_INT (_hw, OID_AUTO, cpufamily, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &cpufamily, 0, ""); 356SYSCTL_OPAQUE (_hw, OID_AUTO, cacheconfig, CTLFLAG_RD | CTLFLAG_LOCKED, &cacheconfig, sizeof(cacheconfig), "Q", ""); 357SYSCTL_OPAQUE (_hw, OID_AUTO, cachesize, CTLFLAG_RD | CTLFLAG_LOCKED, &cachesize, sizeof(cachesize), "Q", ""); 358SYSCTL_PROC (_hw, OID_AUTO, pagesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, 0, sysctl_pagesize, "Q", ""); 359SYSCTL_QUAD (_hw, OID_AUTO, busfrequency, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.bus_frequency_hz, ""); 360SYSCTL_QUAD (_hw, OID_AUTO, busfrequency_min, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.bus_frequency_min_hz, ""); 361SYSCTL_QUAD (_hw, OID_AUTO, busfrequency_max, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.bus_frequency_max_hz, ""); 362SYSCTL_QUAD (_hw, OID_AUTO, cpufrequency, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.cpu_frequency_hz, ""); 363SYSCTL_QUAD (_hw, OID_AUTO, cpufrequency_min, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.cpu_frequency_min_hz, ""); 364SYSCTL_QUAD (_hw, OID_AUTO, cpufrequency_max, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.cpu_frequency_max_hz, ""); 365SYSCTL_PROC (_hw, OID_AUTO, cachelinesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_CACHELINE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", ""); 366SYSCTL_PROC (_hw, OID_AUTO, l1icachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_L1ICACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", ""); 367SYSCTL_PROC (_hw, OID_AUTO, l1dcachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_L1DCACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", ""); 368SYSCTL_PROC (_hw, OID_AUTO, l2cachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_L2CACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", ""); 369SYSCTL_PROC (_hw, OID_AUTO, l3cachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_L3CACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", ""); 370SYSCTL_PROC(_hw, OID_AUTO, tbfrequency, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, 0, sysctl_tbfrequency, "Q", ""); 371SYSCTL_QUAD (_hw, HW_MEMSIZE, memsize, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &max_mem, ""); 372SYSCTL_INT (_hw, OID_AUTO, packages, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &packages, 0, ""); 373 374/* 375 * Optional features can register nodes below hw.optional. 376 * 377 * If the feature is not present, the node should either not be registered, 378 * or it should return -1. If the feature is present, the node should return 379 * 0. If the feature is present and its use is advised, the node should 380 * return 1. 381 */ 382SYSCTL_NODE(_hw, OID_AUTO, optional, CTLFLAG_RW|CTLFLAG_LOCKED, NULL, "optional features"); 383 384SYSCTL_INT(_hw_optional, OID_AUTO, floatingpoint, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (int *)NULL, 1, ""); /* always set */ 385 386/* 387 * Deprecated variables. These are supported for backwards compatibility 388 * purposes only. The MASKED flag requests that the variables not be 389 * printed by sysctl(8) and similar utilities. 390 * 391 * The variables named *_compat here are int-sized versions of variables 392 * that are now exported as quads. The int-sized versions are normally 393 * looked up only by number, wheras the quad-sized versions should be 394 * looked up by name. 395 * 396 * The *_compat nodes are *NOT* visible within the kernel. 397 */ 398SYSCTL_PROC(_hw, HW_PAGESIZE, pagesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_PAGESIZE, sysctl_hw_generic, "I", ""); 399SYSCTL_COMPAT_INT (_hw, HW_BUS_FREQ, busfrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.bus_clock_rate_hz, 0, ""); 400SYSCTL_COMPAT_INT (_hw, HW_CPU_FREQ, cpufrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.cpu_clock_rate_hz, 0, ""); 401SYSCTL_PROC(_hw, HW_CACHELINE, cachelinesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_CACHELINE, sysctl_hw_generic, "I", ""); 402SYSCTL_PROC(_hw, HW_L1ICACHESIZE, l1icachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L1ICACHESIZE, sysctl_hw_generic, "I", ""); 403SYSCTL_PROC(_hw, HW_L1DCACHESIZE, l1dcachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L1DCACHESIZE, sysctl_hw_generic, "I", ""); 404SYSCTL_PROC(_hw, HW_L2CACHESIZE, l2cachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L2CACHESIZE, sysctl_hw_generic, "I", ""); 405SYSCTL_PROC(_hw, HW_L3CACHESIZE, l3cachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L3CACHESIZE, sysctl_hw_generic, "I", ""); 406SYSCTL_COMPAT_INT (_hw, HW_TB_FREQ, tbfrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.timebase_frequency_hz, 0, ""); 407SYSCTL_PROC(_hw, HW_MACHINE, machine, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_MACHINE, sysctl_hw_generic, "A", ""); 408SYSCTL_PROC(_hw, HW_MODEL, model, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_MODEL, sysctl_hw_generic, "A", ""); 409SYSCTL_COMPAT_UINT(_hw, HW_PHYSMEM, physmem, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &mem_size, 0, ""); 410SYSCTL_PROC(_hw, HW_USERMEM, usermem, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_USERMEM, sysctl_hw_generic, "I", ""); 411SYSCTL_PROC(_hw, HW_EPOCH, epoch, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_EPOCH, sysctl_hw_generic, "I", ""); 412SYSCTL_PROC(_hw, HW_VECTORUNIT, vectorunit, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_VECTORUNIT, sysctl_hw_generic, "I", ""); 413SYSCTL_PROC(_hw, HW_L2SETTINGS, l2settings, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L2SETTINGS, sysctl_hw_generic, "I", ""); 414SYSCTL_PROC(_hw, HW_L3SETTINGS, l3settings, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L3SETTINGS, sysctl_hw_generic, "I", ""); 415SYSCTL_INT (_hw, OID_AUTO, cputhreadtype, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN | CTLFLAG_LOCKED, &cputhreadtype, 0, ""); 416 417#if defined(__i386__) || defined(__x86_64__) 418static int 419sysctl_cpu_capability 420(__unused struct sysctl_oid *oidp, void *arg1, __unused int arg2, struct sysctl_req *req) 421{ 422 uint64_t mask = (uint64_t) (uintptr_t) arg1; 423 boolean_t is_capable = (_get_cpu_capabilities() & mask) != 0; 424 425 return SYSCTL_OUT(req, &is_capable, sizeof(is_capable)); 426 427} 428 429SYSCTL_PROC(_hw_optional, OID_AUTO, mmx, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasMMX, 0, sysctl_cpu_capability, "I", ""); 430SYSCTL_PROC(_hw_optional, OID_AUTO, sse, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasSSE, 0, sysctl_cpu_capability, "I", ""); 431SYSCTL_PROC(_hw_optional, OID_AUTO, sse2, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasSSE2, 0, sysctl_cpu_capability, "I", ""); 432SYSCTL_PROC(_hw_optional, OID_AUTO, sse3, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasSSE3, 0, sysctl_cpu_capability, "I", ""); 433SYSCTL_PROC(_hw_optional, OID_AUTO, supplementalsse3, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasSupplementalSSE3, 0, sysctl_cpu_capability, "I", ""); 434SYSCTL_PROC(_hw_optional, OID_AUTO, sse4_1, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasSSE4_1, 0, sysctl_cpu_capability, "I", ""); 435SYSCTL_PROC(_hw_optional, OID_AUTO, sse4_2, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasSSE4_2, 0, sysctl_cpu_capability, "I", ""); 436/* "x86_64" is actually a preprocessor symbol on the x86_64 kernel, so we have to hack this */ 437#undef x86_64 438SYSCTL_PROC(_hw_optional, OID_AUTO, x86_64, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) k64Bit, 0, sysctl_cpu_capability, "I", ""); 439SYSCTL_PROC(_hw_optional, OID_AUTO, aes, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasAES, 0, sysctl_cpu_capability, "I", ""); 440SYSCTL_PROC(_hw_optional, OID_AUTO, avx1_0, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasAVX1_0, 0, sysctl_cpu_capability, "I", ""); 441SYSCTL_PROC(_hw_optional, OID_AUTO, rdrand, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasRDRAND, 0, sysctl_cpu_capability, "I", ""); 442SYSCTL_PROC(_hw_optional, OID_AUTO, f16c, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasF16C, 0, sysctl_cpu_capability, "I", ""); 443SYSCTL_PROC(_hw_optional, OID_AUTO, enfstrg, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasENFSTRG, 0, sysctl_cpu_capability, "I", ""); 444SYSCTL_PROC(_hw_optional, OID_AUTO, fma, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasFMA, 0, sysctl_cpu_capability, "I", ""); 445SYSCTL_PROC(_hw_optional, OID_AUTO, avx2_0, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasAVX2_0, 0, sysctl_cpu_capability, "I", ""); 446SYSCTL_PROC(_hw_optional, OID_AUTO, bmi1, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasBMI1, 0, sysctl_cpu_capability, "I", ""); 447SYSCTL_PROC(_hw_optional, OID_AUTO, bmi2, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasBMI2, 0, sysctl_cpu_capability, "I", ""); 448SYSCTL_PROC(_hw_optional, OID_AUTO, rtm, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasRTM, 0, sysctl_cpu_capability, "I", ""); 449SYSCTL_PROC(_hw_optional, OID_AUTO, hle, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasHLE, 0, sysctl_cpu_capability, "I", ""); 450#else 451#error Unsupported arch 452#endif /* !__i386__ && !__x86_64 && !__arm__ */ 453 454 455/****************************************************************************** 456 * Generic MIB initialisation. 457 * 458 * This is a hack, and should be replaced with SYSINITs 459 * at some point. 460 */ 461void 462sysctl_mib_init(void) 463{ 464 cputype = cpu_type(); 465 cpusubtype = cpu_subtype(); 466 cputhreadtype = cpu_threadtype(); 467#if defined(__i386__) || defined (__x86_64__) 468 cpu64bit = (_get_cpu_capabilities() & k64Bit) == k64Bit; 469#else 470#error Unsupported arch 471#endif 472 473 /* 474 * Populate the optional portion of the hw.* MIB. 475 * 476 * XXX This could be broken out into parts of the code 477 * that actually directly relate to the functions in 478 * question. 479 */ 480 481 if (cputhreadtype != CPU_THREADTYPE_NONE) { 482 sysctl_register_oid(&sysctl__hw_cputhreadtype); 483 } 484 485#if defined (__i386__) || defined (__x86_64__) 486 /* hw.cpufamily */ 487 cpufamily = cpuid_cpufamily(); 488 489 /* hw.cacheconfig */ 490 cacheconfig[0] = ml_cpu_cache_sharing(0); 491 cacheconfig[1] = ml_cpu_cache_sharing(1); 492 cacheconfig[2] = ml_cpu_cache_sharing(2); 493 cacheconfig[3] = ml_cpu_cache_sharing(3); 494 cacheconfig[4] = 0; 495 496 /* hw.cachesize */ 497 cachesize[0] = ml_cpu_cache_size(0); 498 cachesize[1] = ml_cpu_cache_size(1); 499 cachesize[2] = ml_cpu_cache_size(2); 500 cachesize[3] = ml_cpu_cache_size(3); 501 cachesize[4] = 0; 502 503 /* hw.packages */ 504 packages = roundup(ml_cpu_cache_sharing(0), cpuid_info()->thread_count) 505 / cpuid_info()->thread_count; 506 507#else 508#error unknown architecture 509#endif /* !__i386__ && !__x86_64 && !__arm__ */ 510 511} 512