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 <mach/host_info.h> 101#include <kern/pms.h> 102 103extern vm_map_t bsd_pageable_map; 104 105#include <sys/mount_internal.h> 106#include <sys/kdebug.h> 107 108#include <IOKit/IOPlatformExpert.h> 109#include <pexpert/pexpert.h> 110 111#include <machine/machine_routines.h> 112#include <machine/cpu_capabilities.h> 113 114#include <mach/mach_host.h> /* for host_info() */ 115 116#ifdef __i386__ 117#include <i386/cpuid.h> /* for cpuid_info() */ 118#endif 119 120 121 122#ifndef MAX 123#define MAX(a,b) (a >= b ? a : b) 124#endif 125 126/* XXX This should be in a BSD accessible Mach header, but isn't. */ 127extern unsigned int vm_page_wire_count; 128 129static int cputype, cpusubtype, cputhreadtype, cpufamily, cpu64bit; 130static uint64_t cacheconfig[10], cachesize[10]; 131static int packages; 132 133SYSCTL_NODE(, 0, sysctl, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 134 "Sysctl internal magic"); 135SYSCTL_NODE(, CTL_KERN, kern, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 136 "High kernel, proc, limits &c"); 137SYSCTL_NODE(, CTL_VM, vm, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 138 "Virtual memory"); 139SYSCTL_NODE(, CTL_VFS, vfs, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 140 "File system"); 141SYSCTL_NODE(, CTL_NET, net, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 142 "Network, (see socket.h)"); 143SYSCTL_NODE(, CTL_DEBUG, debug, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 144 "Debugging"); 145SYSCTL_NODE(, CTL_HW, hw, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 146 "hardware"); 147SYSCTL_NODE(, CTL_MACHDEP, machdep, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 148 "machine dependent"); 149SYSCTL_NODE(, CTL_USER, user, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 150 "user-level"); 151 152#define SYSCTL_RETURN(r, x) SYSCTL_OUT(r, &x, sizeof(x)) 153 154/****************************************************************************** 155 * hw.* MIB 156 */ 157 158#define CTLHW_RETQUAD (1 << 31) 159#define CTLHW_LOCAL (1 << 30) 160 161#define HW_LOCAL_CPUTHREADTYPE (1 | CTLHW_LOCAL) 162#define HW_LOCAL_PHYSICALCPU (2 | CTLHW_LOCAL) 163#define HW_LOCAL_PHYSICALCPUMAX (3 | CTLHW_LOCAL) 164#define HW_LOCAL_LOGICALCPU (4 | CTLHW_LOCAL) 165#define HW_LOCAL_LOGICALCPUMAX (5 | CTLHW_LOCAL) 166 167 168/* 169 * Supporting some variables requires us to do "real" work. We 170 * gather some of that here. 171 */ 172static int 173sysctl_hw_generic(__unused struct sysctl_oid *oidp, __unused void *arg1, 174 int arg2, struct sysctl_req *req) 175{ 176 char dummy[65]; 177 int epochTemp; 178 ml_cpu_info_t cpu_info; 179 int val, doquad; 180 long long qval; 181 host_basic_info_data_t hinfo; 182 kern_return_t kret; 183 mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT; 184 185 /* 186 * Test and mask off the 'return quad' flag. 187 * Note that only some things here support it. 188 */ 189 doquad = arg2 & CTLHW_RETQUAD; 190 arg2 &= ~CTLHW_RETQUAD; 191 192 ml_cpu_get_info(&cpu_info); 193 194#define BSD_HOST 1 195 kret = host_info((host_t)BSD_HOST, HOST_BASIC_INFO, (host_info_t)&hinfo, &count); 196 197 /* 198 * Handle various OIDs. 199 * 200 * OIDs that can return int or quad set val and qval and then break. 201 * Errors and int-only values return inline. 202 */ 203 switch (arg2) { 204 case HW_NCPU: 205 if (kret == KERN_SUCCESS) { 206 return(SYSCTL_RETURN(req, hinfo.max_cpus)); 207 } else { 208 return(EINVAL); 209 } 210 case HW_AVAILCPU: 211 if (kret == KERN_SUCCESS) { 212 return(SYSCTL_RETURN(req, hinfo.avail_cpus)); 213 } else { 214 return(EINVAL); 215 } 216 case HW_LOCAL_PHYSICALCPU: 217 if (kret == KERN_SUCCESS) { 218 return(SYSCTL_RETURN(req, hinfo.physical_cpu)); 219 } else { 220 return(EINVAL); 221 } 222 case HW_LOCAL_PHYSICALCPUMAX: 223 if (kret == KERN_SUCCESS) { 224 return(SYSCTL_RETURN(req, hinfo.physical_cpu_max)); 225 } else { 226 return(EINVAL); 227 } 228 case HW_LOCAL_LOGICALCPU: 229 if (kret == KERN_SUCCESS) { 230 return(SYSCTL_RETURN(req, hinfo.logical_cpu)); 231 } else { 232 return(EINVAL); 233 } 234 case HW_LOCAL_LOGICALCPUMAX: 235 if (kret == KERN_SUCCESS) { 236 return(SYSCTL_RETURN(req, hinfo.logical_cpu_max)); 237 } else { 238 return(EINVAL); 239 } 240 case HW_CACHELINE: 241 val = cpu_info.cache_line_size; 242 qval = (long long)val; 243 break; 244 case HW_L1ICACHESIZE: 245 val = cpu_info.l1_icache_size; 246 qval = (long long)val; 247 break; 248 case HW_L1DCACHESIZE: 249 val = cpu_info.l1_dcache_size; 250 qval = (long long)val; 251 break; 252 case HW_L2CACHESIZE: 253 if (cpu_info.l2_cache_size == 0xFFFFFFFF) 254 return(EINVAL); 255 val = cpu_info.l2_cache_size; 256 qval = (long long)val; 257 break; 258 case HW_L3CACHESIZE: 259 if (cpu_info.l3_cache_size == 0xFFFFFFFF) 260 return(EINVAL); 261 val = cpu_info.l3_cache_size; 262 qval = (long long)val; 263 break; 264 265 /* 266 * Deprecated variables. We still support these for 267 * backwards compatibility purposes only. 268 */ 269 case HW_MACHINE: 270 bzero(dummy, sizeof(dummy)); 271 if(!PEGetMachineName(dummy,64)) 272 return(EINVAL); 273 dummy[64] = 0; 274 return(SYSCTL_OUT(req, dummy, strlen(dummy) + 1)); 275 case HW_MODEL: 276 bzero(dummy, sizeof(dummy)); 277 if(!PEGetModelName(dummy,64)) 278 return(EINVAL); 279 dummy[64] = 0; 280 return(SYSCTL_OUT(req, dummy, strlen(dummy) + 1)); 281 case HW_USERMEM: 282 { 283 int usermem = mem_size - vm_page_wire_count * page_size; 284 285 return(SYSCTL_RETURN(req, usermem)); 286 } 287 case HW_EPOCH: 288 epochTemp = PEGetPlatformEpoch(); 289 if (epochTemp == -1) 290 return(EINVAL); 291 return(SYSCTL_RETURN(req, epochTemp)); 292 case HW_VECTORUNIT: { 293 int vector = cpu_info.vector_unit == 0? 0 : 1; 294 return(SYSCTL_RETURN(req, vector)); 295 } 296 case HW_L2SETTINGS: 297 if (cpu_info.l2_cache_size == 0xFFFFFFFF) 298 return(EINVAL); 299 return(SYSCTL_RETURN(req, cpu_info.l2_settings)); 300 case HW_L3SETTINGS: 301 if (cpu_info.l3_cache_size == 0xFFFFFFFF) 302 return(EINVAL); 303 return(SYSCTL_RETURN(req, cpu_info.l3_settings)); 304 default: 305 return(ENOTSUP); 306 } 307 /* 308 * Callers may come to us with either int or quad buffers. 309 */ 310 if (doquad) { 311 return(SYSCTL_RETURN(req, qval)); 312 } 313 return(SYSCTL_RETURN(req, val)); 314} 315 316/* hw.pagesize and hw.tbfrequency are expected as 64 bit values */ 317static int 318sysctl_pagesize 319(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) 320{ 321 long long l = page_size; 322 return sysctl_io_number(req, l, sizeof(l), NULL, NULL); 323} 324 325static int 326sysctl_tbfrequency 327(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) 328{ 329 long long l = gPEClockFrequencyInfo.timebase_frequency_hz; 330 return sysctl_io_number(req, l, sizeof(l), NULL, NULL); 331} 332 333/* 334 * hw.* MIB variables. 335 */ 336SYSCTL_PROC (_hw, HW_NCPU, ncpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_NCPU, sysctl_hw_generic, "I", ""); 337SYSCTL_PROC (_hw, HW_AVAILCPU, activecpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_AVAILCPU, sysctl_hw_generic, "I", ""); 338SYSCTL_PROC (_hw, OID_AUTO, physicalcpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_LOCAL_PHYSICALCPU, sysctl_hw_generic, "I", ""); 339SYSCTL_PROC (_hw, OID_AUTO, physicalcpu_max, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_LOCAL_PHYSICALCPUMAX, sysctl_hw_generic, "I", ""); 340SYSCTL_PROC (_hw, OID_AUTO, logicalcpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_LOCAL_LOGICALCPU, sysctl_hw_generic, "I", ""); 341SYSCTL_PROC (_hw, OID_AUTO, logicalcpu_max, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_LOCAL_LOGICALCPUMAX, sysctl_hw_generic, "I", ""); 342SYSCTL_INT (_hw, HW_BYTEORDER, byteorder, CTLFLAG_RD | CTLFLAG_KERN, NULL, BYTE_ORDER, ""); 343SYSCTL_INT (_hw, OID_AUTO, cputype, CTLFLAG_RD | CTLFLAG_KERN, &cputype, 0, ""); 344SYSCTL_INT (_hw, OID_AUTO, cpusubtype, CTLFLAG_RD | CTLFLAG_KERN, &cpusubtype, 0, ""); 345SYSCTL_INT (_hw, OID_AUTO, cpu64bit_capable, CTLFLAG_RD | CTLFLAG_KERN, &cpu64bit, 0, ""); 346SYSCTL_INT (_hw, OID_AUTO, cpufamily, CTLFLAG_RD | CTLFLAG_KERN, &cpufamily, 0, ""); 347SYSCTL_OPAQUE (_hw, OID_AUTO, cacheconfig, CTLFLAG_RD, &cacheconfig, sizeof(cacheconfig), "Q", ""); 348SYSCTL_OPAQUE (_hw, OID_AUTO, cachesize, CTLFLAG_RD, &cachesize, sizeof(cachesize), "Q", ""); 349SYSCTL_PROC (_hw, OID_AUTO, pagesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN, 0, 0, sysctl_pagesize, "Q", ""); 350SYSCTL_QUAD (_hw, OID_AUTO, busfrequency, CTLFLAG_RD | CTLFLAG_KERN, &gPEClockFrequencyInfo.bus_frequency_hz, ""); 351SYSCTL_QUAD (_hw, OID_AUTO, busfrequency_min, CTLFLAG_RD | CTLFLAG_KERN, &gPEClockFrequencyInfo.bus_frequency_min_hz, ""); 352SYSCTL_QUAD (_hw, OID_AUTO, busfrequency_max, CTLFLAG_RD | CTLFLAG_KERN, &gPEClockFrequencyInfo.bus_frequency_max_hz, ""); 353SYSCTL_QUAD (_hw, OID_AUTO, cpufrequency, CTLFLAG_RD | CTLFLAG_KERN, &gPEClockFrequencyInfo.cpu_frequency_hz, ""); 354SYSCTL_QUAD (_hw, OID_AUTO, cpufrequency_min, CTLFLAG_RD | CTLFLAG_KERN, &gPEClockFrequencyInfo.cpu_frequency_min_hz, ""); 355SYSCTL_QUAD (_hw, OID_AUTO, cpufrequency_max, CTLFLAG_RD | CTLFLAG_KERN, &gPEClockFrequencyInfo.cpu_frequency_max_hz, ""); 356SYSCTL_PROC (_hw, OID_AUTO, cachelinesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_CACHELINE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", ""); 357SYSCTL_PROC (_hw, OID_AUTO, l1icachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_L1ICACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", ""); 358SYSCTL_PROC (_hw, OID_AUTO, l1dcachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_L1DCACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", ""); 359SYSCTL_PROC (_hw, OID_AUTO, l2cachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_L2CACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", ""); 360SYSCTL_PROC (_hw, OID_AUTO, l3cachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_L3CACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", ""); 361SYSCTL_PROC(_hw, OID_AUTO, tbfrequency, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN, 0, 0, sysctl_tbfrequency, "Q", ""); 362SYSCTL_QUAD (_hw, HW_MEMSIZE, memsize, CTLFLAG_RD | CTLFLAG_KERN, &max_mem, ""); 363SYSCTL_INT (_hw, OID_AUTO, packages, CTLFLAG_RD | CTLFLAG_KERN, &packages, 0, ""); 364 365/* 366 * Optional features can register nodes below hw.optional. 367 * 368 * If the feature is not present, the node should either not be registered, 369 * or it should return -1. If the feature is present, the node should return 370 * 0. If the feature is present and its use is advised, the node should 371 * return 1. 372 */ 373SYSCTL_NODE(_hw, OID_AUTO, optional, CTLFLAG_RW|CTLFLAG_LOCKED, NULL, "optional features"); 374 375SYSCTL_INT(_hw_optional, OID_AUTO, floatingpoint, CTLFLAG_RD | CTLFLAG_KERN, 0, 1, ""); /* always set */ 376 377/* 378 * Deprecated variables. These are supported for backwards compatibility 379 * purposes only. The MASKED flag requests that the variables not be 380 * printed by sysctl(8) and similar utilities. 381 * 382 * The variables named *_compat here are int-sized versions of variables 383 * that are now exported as quads. The int-sized versions are normally 384 * looked up only by number, wheras the quad-sized versions should be 385 * looked up by name. 386 * 387 * The *_compat nodes are *NOT* visible within the kernel. 388 */ 389SYSCTL_INT (_hw, HW_PAGESIZE, pagesize_compat, CTLFLAG_RD | CTLFLAG_MASKED, &page_size, 0, ""); 390SYSCTL_INT (_hw, HW_BUS_FREQ, busfrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED, &gPEClockFrequencyInfo.bus_clock_rate_hz, 0, ""); 391SYSCTL_INT (_hw, HW_CPU_FREQ, cpufrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED, &gPEClockFrequencyInfo.cpu_clock_rate_hz, 0, ""); 392SYSCTL_PROC(_hw, HW_CACHELINE, cachelinesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_CACHELINE, sysctl_hw_generic, "I", ""); 393SYSCTL_PROC(_hw, HW_L1ICACHESIZE, l1icachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_L1ICACHESIZE, sysctl_hw_generic, "I", ""); 394SYSCTL_PROC(_hw, HW_L1DCACHESIZE, l1dcachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_L1DCACHESIZE, sysctl_hw_generic, "I", ""); 395SYSCTL_PROC(_hw, HW_L2CACHESIZE, l2cachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_L2CACHESIZE, sysctl_hw_generic, "I", ""); 396SYSCTL_PROC(_hw, HW_L3CACHESIZE, l3cachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_L3CACHESIZE, sysctl_hw_generic, "I", ""); 397SYSCTL_INT (_hw, HW_TB_FREQ, tbfrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED, &gPEClockFrequencyInfo.timebase_frequency_hz, 0, ""); 398SYSCTL_PROC(_hw, HW_MACHINE, machine, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_MACHINE, sysctl_hw_generic, "A", ""); 399SYSCTL_PROC(_hw, HW_MODEL, model, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_MODEL, sysctl_hw_generic, "A", ""); 400SYSCTL_UINT(_hw, HW_PHYSMEM, physmem, CTLFLAG_RD | CTLFLAG_MASKED, &mem_size, 0, ""); 401SYSCTL_PROC(_hw, HW_USERMEM, usermem, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_USERMEM, sysctl_hw_generic, "I", ""); 402SYSCTL_PROC(_hw, HW_EPOCH, epoch, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_EPOCH, sysctl_hw_generic, "I", ""); 403SYSCTL_PROC(_hw, HW_VECTORUNIT, vectorunit, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_VECTORUNIT, sysctl_hw_generic, "I", ""); 404SYSCTL_PROC(_hw, HW_L2SETTINGS, l2settings, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_L2SETTINGS, sysctl_hw_generic, "I", ""); 405SYSCTL_PROC(_hw, HW_L3SETTINGS, l3settings, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_L3SETTINGS, sysctl_hw_generic, "I", ""); 406SYSCTL_INT (_hw, OID_AUTO, cputhreadtype, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &cputhreadtype, 0, ""); 407 408#ifdef __ppc__ 409int altivec_flag = -1; 410int graphicsops_flag = -1; 411int x64bitops_flag = -1; 412int fsqrt_flag = -1; 413int stfiwx_flag = -1; 414int dcba_flag = -1; 415int datastreams_flag = -1; 416int dcbtstreams_flag = -1; 417 418SYSCTL_INT(_hw_optional, OID_AUTO, altivec, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &altivec_flag, 0, ""); 419SYSCTL_INT(_hw_optional, OID_AUTO, graphicsops, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &graphicsops_flag, 0, ""); 420SYSCTL_INT(_hw_optional, OID_AUTO, 64bitops, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &x64bitops_flag, 0, ""); 421SYSCTL_INT(_hw_optional, OID_AUTO, fsqrt, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &fsqrt_flag, 0, ""); 422SYSCTL_INT(_hw_optional, OID_AUTO, stfiwx, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &stfiwx_flag, 0, ""); 423SYSCTL_INT(_hw_optional, OID_AUTO, dcba, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &dcba_flag, 0, ""); 424SYSCTL_INT(_hw_optional, OID_AUTO, datastreams, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &datastreams_flag, 0, ""); 425SYSCTL_INT(_hw_optional, OID_AUTO, dcbtstreams, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &dcbtstreams_flag, 0, ""); 426#elif defined (__i386__) 427int mmx_flag = -1; 428int sse_flag = -1; 429int sse2_flag = -1; 430int sse3_flag = -1; 431int sse4_1_flag = -1; 432int sse4_2_flag = -1; 433int x86_64_flag = -1; 434int supplementalsse3_flag = -1; 435 436SYSCTL_INT(_hw_optional, OID_AUTO, mmx, CTLFLAG_RD | CTLFLAG_KERN, &mmx_flag, 0, ""); 437SYSCTL_INT(_hw_optional, OID_AUTO, sse, CTLFLAG_RD | CTLFLAG_KERN, &sse_flag, 0, ""); 438SYSCTL_INT(_hw_optional, OID_AUTO, sse2, CTLFLAG_RD | CTLFLAG_KERN, &sse2_flag, 0, ""); 439SYSCTL_INT(_hw_optional, OID_AUTO, sse3, CTLFLAG_RD | CTLFLAG_KERN, &sse3_flag, 0, ""); 440SYSCTL_INT(_hw_optional, OID_AUTO, supplementalsse3, CTLFLAG_RD | CTLFLAG_KERN, &supplementalsse3_flag, 0, ""); 441SYSCTL_INT(_hw_optional, OID_AUTO, sse4_1, CTLFLAG_RD | CTLFLAG_KERN, &sse4_1_flag, 0, ""); 442SYSCTL_INT(_hw_optional, OID_AUTO, sse4_2, CTLFLAG_RD | CTLFLAG_KERN, &sse4_2_flag, 0, ""); 443SYSCTL_INT(_hw_optional, OID_AUTO, x86_64, CTLFLAG_RD | CTLFLAG_KERN, &x86_64_flag, 0, ""); 444#endif /* __ppc__ */ 445 446/* 447 * Debugging interface to the CPU power management code. 448 */ 449static int 450pmsSysctl(__unused struct sysctl_oid *oidp, __unused void *arg1, 451 __unused int arg2, struct sysctl_req *req) 452{ 453 pmsctl_t ctl; 454 int error; 455 boolean_t intr; 456 457 if ((error = SYSCTL_IN(req, &ctl, sizeof(ctl)))) 458 return(error); 459 460 intr = ml_set_interrupts_enabled(FALSE); /* No interruptions in here */ 461 error = pmsControl(ctl.request, (user_addr_t)(unsigned long)ctl.reqaddr, ctl.reqsize); 462 (void)ml_set_interrupts_enabled(intr); /* Restore interruptions */ 463 464 return(error); 465} 466 467SYSCTL_PROC(_hw, OID_AUTO, pms, CTLTYPE_STRUCT | CTLFLAG_WR, 0, 0, pmsSysctl, "S", "Processor Power Management"); 468 469 470 471/****************************************************************************** 472 * Generic MIB initialisation. 473 * 474 * This is a hack, and should be replaced with SYSINITs 475 * at some point. 476 */ 477void 478sysctl_mib_init(void) 479{ 480 cputype = cpu_type(); 481 cpusubtype = cpu_subtype(); 482 cputhreadtype = cpu_threadtype(); 483#if defined(__ppc__) 484 cpu64bit = (_cpu_capabilities & k64Bit) == k64Bit; 485#elif defined(__i386__) 486 cpu64bit = (_get_cpu_capabilities() & k64Bit) == k64Bit; 487#endif 488 489 /* 490 * Populate the optional portion of the hw.* MIB. 491 * 492 * XXX This could be broken out into parts of the code 493 * that actually directly relate to the functions in 494 * question. 495 */ 496 497 if (cputhreadtype != CPU_THREADTYPE_NONE) { 498 sysctl_register_oid(&sysctl__hw_cputhreadtype); 499 } 500 501#ifdef __ppc__ 502/* 503 * The convention for these is as follows: 504 * If the sysctl does not exist, the functionality is not present in the CPU. 505 * If the sysctl exists, it will not crash, and should otherwise function 506 * corectly. 507 * If the sysctl exists and returns 0, we advise against using this feature. 508 * If the sysctl exists and returns 1, we advise it's use. 509 */ 510 511 if (_cpu_capabilities & kHasAltivec) { 512 altivec_flag = 1; 513 sysctl_register_oid(&sysctl__hw_optional_altivec); 514 } 515 if (_cpu_capabilities & kHasGraphicsOps) { 516 graphicsops_flag = 1; 517 sysctl_register_oid(&sysctl__hw_optional_graphicsops); 518 } 519 if (_cpu_capabilities & k64Bit) { 520 x64bitops_flag = 1; 521 sysctl_register_oid(&sysctl__hw_optional_64bitops); 522 } 523 if (_cpu_capabilities & kHasFsqrt) { 524 fsqrt_flag = 1; 525 sysctl_register_oid(&sysctl__hw_optional_fsqrt); 526 } 527 if (_cpu_capabilities & kHasStfiwx) { 528 stfiwx_flag = 1; 529 sysctl_register_oid(&sysctl__hw_optional_stfiwx); 530 } 531 if (_cpu_capabilities & kDcbaAvailable) 532 dcba_flag = 0; 533 if (_cpu_capabilities & kDcbaRecommended) 534 dcba_flag = 1; 535 if (dcba_flag >= 0) 536 sysctl_register_oid(&sysctl__hw_optional_dcba); 537 if (_cpu_capabilities & kDataStreamsAvailable) 538 datastreams_flag = 0; 539 if (_cpu_capabilities & kDataStreamsRecommended) 540 datastreams_flag = 1; 541 if (datastreams_flag >= 0) 542 sysctl_register_oid(&sysctl__hw_optional_datastreams); 543 if (_cpu_capabilities & kDcbtStreamsAvailable) 544 dcbtstreams_flag = 0; 545 if (_cpu_capabilities & kDcbtStreamsRecommended) 546 dcbtstreams_flag = 1; 547 if (dcbtstreams_flag >= 0) 548 sysctl_register_oid(&sysctl__hw_optional_dcbtstreams); 549 550 /* hw.cpufamily */ 551 switch (cpusubtype) { 552 case CPU_SUBTYPE_POWERPC_750: 553 cpufamily = CPUFAMILY_POWERPC_G3; 554 break; 555 case CPU_SUBTYPE_POWERPC_7400: 556 case CPU_SUBTYPE_POWERPC_7450: 557 cpufamily = CPUFAMILY_POWERPC_G4; 558 break; 559 case CPU_SUBTYPE_POWERPC_970: 560 cpufamily = CPUFAMILY_POWERPC_G5; 561 break; 562 default: 563 cpufamily = CPUFAMILY_UNKNOWN; 564 } 565 566 ml_cpu_info_t cpu_info; 567 ml_cpu_get_info(&cpu_info); 568 569 host_basic_info_data_t hinfo; 570 mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT; 571 kern_return_t kret = host_info((host_t)BSD_HOST, HOST_BASIC_INFO, (host_info_t)&hinfo, &count); 572 if(kret != KERN_SUCCESS) 573 { 574 hinfo.max_cpus = 1; 575 } 576 577 /* hw.cachesize */ 578 cachesize[0] = max_mem; 579 cachesize[1] = cpu_info.l1_dcache_size; 580 cachesize[2] = cpu_info.l2_settings ? cpu_info.l2_cache_size : 0; 581 cachesize[3] = cpu_info.l3_settings ? cpu_info.l3_cache_size : 0; 582 cachesize[4] = 0; 583 584 /* hw.cacheconfig */ 585 cacheconfig[0] = hinfo.max_cpus; 586 cacheconfig[1] = 1; 587 cacheconfig[2] = cachesize[2] ? 1 : 0; 588 cacheconfig[3] = cachesize[3] ? 1 : 0; 589 cacheconfig[4] = 0; 590 591 /* hw.packages */ 592 if (cpusubtype == CPU_SUBTYPE_POWERPC_970 && 593 cpu_info.l2_cache_size == 1 * 1024 * 1024) 594 /* The signature of the dual-core G5 */ 595 packages = roundup(hinfo.max_cpus, 2) / 2; 596 else 597 packages = hinfo.max_cpus; 598 599#elif defined (__i386__) 600 mmx_flag = ((_get_cpu_capabilities() & kHasMMX) == kHasMMX)? 1 : 0; 601 sse_flag = ((_get_cpu_capabilities() & kHasSSE) == kHasSSE)? 1 : 0; 602 sse2_flag = ((_get_cpu_capabilities() & kHasSSE2) == kHasSSE2)? 1 : 0; 603 sse3_flag = ((_get_cpu_capabilities() & kHasSSE3) == kHasSSE3)? 1 : 0; 604 supplementalsse3_flag = ((_get_cpu_capabilities() & kHasSupplementalSSE3) == kHasSupplementalSSE3)? 1 : 0; 605 sse4_1_flag = ((_get_cpu_capabilities() & kHasSSE4_1) == kHasSSE4_1)? 1 : 0; 606 sse4_2_flag = ((_get_cpu_capabilities() & kHasSSE4_2) == kHasSSE4_2)? 1 : 0; 607 x86_64_flag = ((_get_cpu_capabilities() & k64Bit) == k64Bit)? 1 : 0; 608 609 /* hw.cpufamily */ 610 switch (cpuid_info()->cpuid_family) { 611 case 6: 612 switch (cpuid_info()->cpuid_model) { 613 case 13: 614 cpufamily = CPUFAMILY_INTEL_6_13; 615 break; 616 case 14: 617 cpufamily = CPUFAMILY_INTEL_6_14; /* Core Solo/Duo */ 618 break; 619 case 15: 620 cpufamily = CPUFAMILY_INTEL_6_15; /* Core 2 */ 621 break; 622 case 23: 623 cpufamily = CPUFAMILY_INTEL_6_23; 624 break; 625 case 26: 626 cpufamily = CPUFAMILY_INTEL_6_26; 627 break; 628 default: 629 cpufamily = CPUFAMILY_UNKNOWN; 630 } 631 break; 632 default: 633 cpufamily = CPUFAMILY_UNKNOWN; 634 } 635 /* hw.cacheconfig */ 636 cacheconfig[0] = ml_cpu_cache_sharing(0); 637 cacheconfig[1] = ml_cpu_cache_sharing(1); 638 cacheconfig[2] = ml_cpu_cache_sharing(2); 639 cacheconfig[3] = ml_cpu_cache_sharing(3); 640 cacheconfig[4] = 0; 641 642 /* hw.cachesize */ 643 cachesize[0] = ml_cpu_cache_size(0); 644 cachesize[1] = ml_cpu_cache_size(1); 645 cachesize[2] = ml_cpu_cache_size(2); 646 cachesize[3] = ml_cpu_cache_size(3); 647 cachesize[4] = 0; 648 649 /* hw.packages */ 650 packages = roundup(ml_cpu_cache_sharing(0), cpuid_info()->thread_count) 651 / cpuid_info()->thread_count; 652 653#else /* end __arm__ */ 654# warning we do not support this platform yet 655#endif /* __ppc__ */ 656 657} 658