bsd/kern/kern_mib.c

   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
 103 extern 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 #if defined(__i386__) || defined(__x86_64__)
 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. */
 127 extern unsigned int vm_page_wire_count;
 128
 129 static int      cputype, cpusubtype, cputhreadtype, cpufamily, cpu64bit;
 130 static uint64_t cacheconfig[10], cachesize[10];
 131 static int      packages;
 132
 133 SYSCTL_NODE(, 0,          sysctl, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 134         "Sysctl internal magic");
 135 SYSCTL_NODE(, CTL_KERN,   kern,   CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 136         "High kernel, proc, limits &c");
 137 SYSCTL_NODE(, CTL_VM,     vm,     CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 138         "Virtual memory");
 139 SYSCTL_NODE(, CTL_VFS,    vfs,     CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 140         "File system");
 141 SYSCTL_NODE(, CTL_NET,    net,    CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 142         "Network, (see socket.h)");
 143 SYSCTL_NODE(, CTL_DEBUG,  debug,  CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 144         "Debugging");
 145 SYSCTL_NODE(, CTL_HW,     hw,     CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 146         "hardware");
 147 SYSCTL_NODE(, CTL_MACHDEP, machdep, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 148         "machine dependent");
 149 SYSCTL_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  */
 172 static int
 173 sysctl_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 */
 317 static int
 318 sysctl_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
 325 static int
 326 sysctl_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  */
 336 SYSCTL_PROC    (_hw, HW_NCPU, ncpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_NCPU, sysctl_hw_generic, "I", "");
 337 SYSCTL_PROC    (_hw, HW_AVAILCPU, activecpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_AVAILCPU, sysctl_hw_generic, "I", "");
 338 SYSCTL_PROC    (_hw, OID_AUTO, physicalcpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_LOCAL_PHYSICALCPU, sysctl_hw_generic, "I", "");
 339 SYSCTL_PROC    (_hw, OID_AUTO, physicalcpu_max, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_LOCAL_PHYSICALCPUMAX, sysctl_hw_generic, "I", "");
 340 SYSCTL_PROC    (_hw, OID_AUTO, logicalcpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_LOCAL_LOGICALCPU, sysctl_hw_generic, "I", "");
 341 SYSCTL_PROC    (_hw, OID_AUTO, logicalcpu_max, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_LOCAL_LOGICALCPUMAX, sysctl_hw_generic, "I", "");
 342 SYSCTL_INT     (_hw, HW_BYTEORDER, byteorder, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (int *)NULL, BYTE_ORDER, "");
 343 SYSCTL_INT     (_hw, OID_AUTO, cputype, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &cputype, 0, "");
 344 SYSCTL_INT     (_hw, OID_AUTO, cpusubtype, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &cpusubtype, 0, "");
 345 SYSCTL_INT     (_hw, OID_AUTO, cpu64bit_capable, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &cpu64bit, 0, "");
 346 SYSCTL_INT     (_hw, OID_AUTO, cpufamily, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &cpufamily, 0, "");
 347 SYSCTL_OPAQUE  (_hw, OID_AUTO, cacheconfig, CTLFLAG_RD | CTLFLAG_LOCKED, &cacheconfig, sizeof(cacheconfig), "Q", "");
 348 SYSCTL_OPAQUE  (_hw, OID_AUTO, cachesize, CTLFLAG_RD | CTLFLAG_LOCKED, &cachesize, sizeof(cachesize), "Q", "");
 349 SYSCTL_PROC        (_hw, OID_AUTO, pagesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, 0, sysctl_pagesize, "Q", "");
 350 SYSCTL_QUAD    (_hw, OID_AUTO, busfrequency, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.bus_frequency_hz, "");
 351 SYSCTL_QUAD    (_hw, OID_AUTO, busfrequency_min, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.bus_frequency_min_hz, "");
 352 SYSCTL_QUAD    (_hw, OID_AUTO, busfrequency_max, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.bus_frequency_max_hz, "");
 353 SYSCTL_QUAD    (_hw, OID_AUTO, cpufrequency, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.cpu_frequency_hz, "");
 354 SYSCTL_QUAD    (_hw, OID_AUTO, cpufrequency_min, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.cpu_frequency_min_hz, "");
 355 SYSCTL_QUAD    (_hw, OID_AUTO, cpufrequency_max, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.cpu_frequency_max_hz, "");
 356 SYSCTL_PROC    (_hw, OID_AUTO, cachelinesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_CACHELINE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
 357 SYSCTL_PROC    (_hw, OID_AUTO, l1icachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_L1ICACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
 358 SYSCTL_PROC    (_hw, OID_AUTO, l1dcachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_L1DCACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
 359 SYSCTL_PROC    (_hw, OID_AUTO, l2cachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_L2CACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
 360 SYSCTL_PROC    (_hw, OID_AUTO, l3cachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_L3CACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
 361 SYSCTL_PROC(_hw, OID_AUTO, tbfrequency, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, 0, sysctl_tbfrequency, "Q", "");
 362 SYSCTL_QUAD    (_hw, HW_MEMSIZE, memsize, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &max_mem, "");
 363 SYSCTL_INT     (_hw, OID_AUTO, packages, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &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  */
 373 SYSCTL_NODE(_hw, OID_AUTO, optional, CTLFLAG_RW|CTLFLAG_LOCKED, NULL, "optional features");
 374
 375 SYSCTL_INT(_hw_optional, OID_AUTO, floatingpoint, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (int *)NULL, 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  */
 389 SYSCTL_COMPAT_INT (_hw, HW_PAGESIZE,     pagesize_compat, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &page_size, 0, "");
 390 SYSCTL_COMPAT_INT (_hw, HW_BUS_FREQ,     busfrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.bus_clock_rate_hz, 0, "");
 391 SYSCTL_COMPAT_INT (_hw, HW_CPU_FREQ,     cpufrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.cpu_clock_rate_hz, 0, "");
 392 SYSCTL_PROC(_hw, HW_CACHELINE,    cachelinesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_CACHELINE, sysctl_hw_generic, "I", "");
 393 SYSCTL_PROC(_hw, HW_L1ICACHESIZE, l1icachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L1ICACHESIZE, sysctl_hw_generic, "I", "");
 394 SYSCTL_PROC(_hw, HW_L1DCACHESIZE, l1dcachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L1DCACHESIZE, sysctl_hw_generic, "I", "");
 395 SYSCTL_PROC(_hw, HW_L2CACHESIZE,  l2cachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L2CACHESIZE, sysctl_hw_generic, "I", "");
 396 SYSCTL_PROC(_hw, HW_L3CACHESIZE,  l3cachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L3CACHESIZE, sysctl_hw_generic, "I", "");
 397 SYSCTL_COMPAT_INT (_hw, HW_TB_FREQ,      tbfrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.timebase_frequency_hz, 0, "");
 398 SYSCTL_PROC(_hw, HW_MACHINE,      machine, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_MACHINE, sysctl_hw_generic, "A", "");
 399 SYSCTL_PROC(_hw, HW_MODEL,        model, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_MODEL, sysctl_hw_generic, "A", "");
 400 SYSCTL_COMPAT_UINT(_hw, HW_PHYSMEM,      physmem, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &mem_size, 0, "");
 401 SYSCTL_PROC(_hw, HW_USERMEM,      usermem, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_USERMEM,   sysctl_hw_generic, "I", "");
 402 SYSCTL_PROC(_hw, HW_EPOCH,        epoch, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_EPOCH, sysctl_hw_generic, "I", "");
 403 SYSCTL_PROC(_hw, HW_VECTORUNIT,   vectorunit, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_VECTORUNIT, sysctl_hw_generic, "I", "");
 404 SYSCTL_PROC(_hw, HW_L2SETTINGS,   l2settings, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L2SETTINGS, sysctl_hw_generic, "I", "");
 405 SYSCTL_PROC(_hw, HW_L3SETTINGS,   l3settings, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L3SETTINGS, sysctl_hw_generic, "I", "");
 406 SYSCTL_INT (_hw, OID_AUTO, cputhreadtype, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN | CTLFLAG_LOCKED, &cputhreadtype, 0, "");
 407
 408 #if defined(__i386__) || defined(__x86_64__)
 409 int mmx_flag = -1;
 410 int sse_flag = -1;
 411 int sse2_flag = -1;
 412 int sse3_flag = -1;
 413 int sse4_1_flag = -1;
 414 int sse4_2_flag = -1;
 415 int x86_64_flag = -1;
 416 int supplementalsse3_flag = -1;
 417 int aes_flag = -1;
 418 int avx1_0_flag = -1;
 419 int rdrand_flag = -1;
 420 int f16c_flag = -1;
 421 int enfstrg_flag = -1;
 422
 423 SYSCTL_INT(_hw_optional, OID_AUTO, mmx, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &mmx_flag, 0, "");
 424 SYSCTL_INT(_hw_optional, OID_AUTO, sse, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &sse_flag, 0, "");
 425 SYSCTL_INT(_hw_optional, OID_AUTO, sse2, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &sse2_flag, 0, "");
 426 SYSCTL_INT(_hw_optional, OID_AUTO, sse3, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &sse3_flag, 0, "");
 427 SYSCTL_INT(_hw_optional, OID_AUTO, supplementalsse3, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &supplementalsse3_flag, 0, "");
 428 SYSCTL_INT(_hw_optional, OID_AUTO, sse4_1, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &sse4_1_flag, 0, "");
 429 SYSCTL_INT(_hw_optional, OID_AUTO, sse4_2, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &sse4_2_flag, 0, "");
 430 /* "x86_64" is actually a preprocessor symbol on the x86_64 kernel, so we have to hack this */
 431 #undef x86_64
 432 SYSCTL_INT(_hw_optional, OID_AUTO, x86_64, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &x86_64_flag, 0, "");
 433 SYSCTL_INT(_hw_optional, OID_AUTO, aes, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &aes_flag, 0, "");
 434 SYSCTL_INT(_hw_optional, OID_AUTO, avx1_0, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &avx1_0_flag, 0, "");
 435 SYSCTL_INT(_hw_optional, OID_AUTO, rdrand, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &rdrand_flag, 0, "");
 436 SYSCTL_INT(_hw_optional, OID_AUTO, f16c, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &f16c_flag, 0, "");
 437 SYSCTL_INT(_hw_optional, OID_AUTO, enfstrg, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &enfstrg_flag, 0, "");
 438 #else
 439 #error Unsupported arch
 440 #endif /* !__i386__ && !__x86_64 && !__arm__ */
 441
 442 /*
 443  * Debugging interface to the CPU power management code.
 444  *
 445  * Note:        Does not need locks because it disables interrupts over
 446  *              the call.
 447  */
 448 static int
 449 pmsSysctl(__unused struct sysctl_oid *oidp, __unused void *arg1,
 450           __unused int arg2, struct sysctl_req *req)
 451 {
 452         pmsctl_t        ctl;
 453         int             error;
 454         boolean_t       intr;
 455
 456         if ((error = SYSCTL_IN(req, &ctl, sizeof(ctl))))
 457                 return(error);
 458
 459         intr = ml_set_interrupts_enabled(FALSE);                /* No interruptions in here */
 460         error = pmsControl(ctl.request, (user_addr_t)(uintptr_t)ctl.reqaddr, ctl.reqsize);
 461         (void)ml_set_interrupts_enabled(intr);                  /* Restore interruptions */
 462
 463         return(error);
 464 }
 465
 466 SYSCTL_PROC(_hw, OID_AUTO, pms, CTLTYPE_STRUCT | CTLFLAG_WR | CTLFLAG_LOCKED, 0, 0, pmsSysctl, "S", "Processor Power Management");
 467
 468
 469
 470 /******************************************************************************
 471  * Generic MIB initialisation.
 472  *
 473  * This is a hack, and should be replaced with SYSINITs
 474  * at some point.
 475  */
 476 void
 477 sysctl_mib_init(void)
 478 {
 479         cputype = cpu_type();
 480         cpusubtype = cpu_subtype();
 481         cputhreadtype = cpu_threadtype();
 482 #if defined(__i386__) || defined (__x86_64__)
 483     cpu64bit = (_get_cpu_capabilities() & k64Bit) == k64Bit;
 484 #else
 485 #error Unsupported arch
 486 #endif
 487
 488         /*
 489          * Populate the optional portion of the hw.* MIB.
 490          *
 491          * XXX This could be broken out into parts of the code
 492          *     that actually directly relate to the functions in
 493          *     question.
 494          */
 495
 496         if (cputhreadtype != CPU_THREADTYPE_NONE) {
 497                 sysctl_register_oid(&sysctl__hw_cputhreadtype);
 498         }
 499
 500 #if defined (__i386__) || defined (__x86_64__)
 501 #define is_capability_set(k) (((_get_cpu_capabilities() & (k)) == (k)) ? 1 : 0)
 502         mmx_flag                = is_capability_set(kHasMMX);
 503         sse_flag                = is_capability_set(kHasSSE);
 504         sse2_flag               = is_capability_set(kHasSSE2);
 505         sse3_flag               = is_capability_set(kHasSSE3);
 506         supplementalsse3_flag   = is_capability_set(kHasSupplementalSSE3);
 507         sse4_1_flag             = is_capability_set(kHasSSE4_1);
 508         sse4_2_flag             = is_capability_set(kHasSSE4_2);
 509         x86_64_flag             = is_capability_set(k64Bit);
 510         aes_flag                = is_capability_set(kHasAES);
 511         avx1_0_flag             = is_capability_set(kHasAVX1_0);
 512         rdrand_flag             = is_capability_set(kHasRDRAND);
 513         f16c_flag               = is_capability_set(kHasF16C);
 514         enfstrg_flag            = is_capability_set(kHasENFSTRG);
 515
 516         /* hw.cpufamily */
 517         cpufamily = cpuid_cpufamily();
 518
 519         /* hw.cacheconfig */
 520         cacheconfig[0] = ml_cpu_cache_sharing(0);
 521         cacheconfig[1] = ml_cpu_cache_sharing(1);
 522         cacheconfig[2] = ml_cpu_cache_sharing(2);
 523         cacheconfig[3] = ml_cpu_cache_sharing(3);
 524         cacheconfig[4] = 0;
 525
 526         /* hw.cachesize */
 527         cachesize[0] = ml_cpu_cache_size(0);
 528         cachesize[1] = ml_cpu_cache_size(1);
 529         cachesize[2] = ml_cpu_cache_size(2);
 530         cachesize[3] = ml_cpu_cache_size(3);
 531         cachesize[4] = 0;
 532
 533         /* hw.packages */
 534         packages = roundup(ml_cpu_cache_sharing(0), cpuid_info()->thread_count)
 535                         / cpuid_info()->thread_count;
 536
 537 #else
 538 #error unknown architecture
 539 #endif /* !__i386__ && !__x86_64 && !__arm__ */
 540
 541 }