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1c79356b 1/*
2d21ac55 2 * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
5d5c5d0d 3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b 5 *
2d21ac55
A		 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.
8f6c56a5 14 *
2d21ac55
A		 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
8f6c56a5
A		 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55
A		 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.
8f6c56a5 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b
A		 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>
91447636 73#include <sys/proc_internal.h>
1c79356b
A		 74#include <sys/unistd.h>
75
76#if defined(SMP)
77#include <machine/smp.h>
78#endif
79
43866e37
A		 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>
91447636 85#include <sys/file_internal.h>
43866e37
A		 86#include <sys/vnode.h>
87#include <sys/unistd.h>
43866e37
A		 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>
0c530ab8 101#include <kern/pms.h>
43866e37
A		 102
103extern vm_map_t bsd_pageable_map;
104
91447636 105#include <sys/mount_internal.h>
43866e37
A		 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
2d21ac55
A		 114#include <mach/mach_host.h> /* for host_info() */
115
b0d623f7
A		 116#if defined(__i386__) || defined(__x86_64__)
117#include <i386/cpuid.h> /* for cpuid_info() */
0c530ab8
A		 118#endif
119
2d21ac55
A		 120
121
0c530ab8
A		 122#ifndef MAX
123#define MAX(a,b) (a >= b ? a : b)
124#endif
125
2d21ac55
A		 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;
43866e37 132
2d21ac55 133SYSCTL_NODE(, 0, sysctl, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
1c79356b 134 "Sysctl internal magic");
2d21ac55 135SYSCTL_NODE(, CTL_KERN, kern, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
1c79356b 136 "High kernel, proc, limits &c");
2d21ac55 137SYSCTL_NODE(, CTL_VM, vm, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
1c79356b 138 "Virtual memory");
2d21ac55 139SYSCTL_NODE(, CTL_VFS, vfs, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
1c79356b 140 "File system");
2d21ac55 141SYSCTL_NODE(, CTL_NET, net, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
1c79356b 142 "Network, (see socket.h)");
2d21ac55 143SYSCTL_NODE(, CTL_DEBUG, debug, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
1c79356b 144 "Debugging");
2d21ac55 145SYSCTL_NODE(, CTL_HW, hw, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
1c79356b 146 "hardware");
2d21ac55 147SYSCTL_NODE(, CTL_MACHDEP, machdep, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
1c79356b 148 "machine dependent");
2d21ac55 149SYSCTL_NODE(, CTL_USER, user, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
1c79356b
A		 150 "user-level");
151
43866e37
A		 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)
91447636
A		 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
43866e37
A		 167
168/*
169 * Supporting some variables requires us to do "real" work. We
170 * gather some of that here.
171 */
172static int
2d21ac55
A		 173sysctl_hw_generic(__unused struct sysctl_oid *oidp, __unused void *arg1,
174 int arg2, struct sysctl_req *req)
43866e37
A		 175{
176 char dummy[65];
177 int epochTemp;
43866e37
A		 178 ml_cpu_info_t cpu_info;
179 int val, doquad;
180 long long qval;
91447636
A		 181 host_basic_info_data_t hinfo;
182 kern_return_t kret;
2d21ac55 183 mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;
43866e37
A		 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
91447636 194#define BSD_HOST 1
2d21ac55 195 kret = host_info((host_t)BSD_HOST, HOST_BASIC_INFO, (host_info_t)&hinfo, &count);
91447636 196
43866e37
A		 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:
91447636
A		 205 if (kret == KERN_SUCCESS) {
206 return(SYSCTL_RETURN(req, hinfo.max_cpus));
207 } else {
208 return(EINVAL);
43866e37
A		 209 }
210 case HW_AVAILCPU:
91447636
A		 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);
43866e37
A		 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));
0c530ab8
A		 292 case HW_VECTORUNIT: {
293 int vector = cpu_info.vector_unit == 0? 0 : 1;
294 return(SYSCTL_RETURN(req, vector));
295 }
43866e37
A		 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
2d21ac55
A		 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
43866e37
A		 333/*
334 * hw.* MIB variables.
335 */
6d2010ae
A		 336SYSCTL_PROC (_hw, HW_NCPU, ncpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_NCPU, sysctl_hw_generic, "I", "");
337SYSCTL_PROC (_hw, HW_AVAILCPU, activecpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_AVAILCPU, sysctl_hw_generic, "I", "");
338SYSCTL_PROC (_hw, OID_AUTO, physicalcpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_LOCAL_PHYSICALCPU, sysctl_hw_generic, "I", "");
339SYSCTL_PROC (_hw, OID_AUTO, physicalcpu_max, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_LOCAL_PHYSICALCPUMAX, sysctl_hw_generic, "I", "");
340SYSCTL_PROC (_hw, OID_AUTO, logicalcpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_LOCAL_LOGICALCPU, sysctl_hw_generic, "I", "");
341SYSCTL_PROC (_hw, OID_AUTO, logicalcpu_max, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_LOCAL_LOGICALCPUMAX, sysctl_hw_generic, "I", "");
342SYSCTL_INT (_hw, HW_BYTEORDER, byteorder, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (int *)NULL, BYTE_ORDER, "");
343SYSCTL_INT (_hw, OID_AUTO, cputype, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &cputype, 0, "");
344SYSCTL_INT (_hw, OID_AUTO, cpusubtype, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &cpusubtype, 0, "");
345SYSCTL_INT (_hw, OID_AUTO, cpu64bit_capable, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &cpu64bit, 0, "");
346SYSCTL_INT (_hw, OID_AUTO, cpufamily, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &cpufamily, 0, "");
347SYSCTL_OPAQUE (_hw, OID_AUTO, cacheconfig, CTLFLAG_RD | CTLFLAG_LOCKED, &cacheconfig, sizeof(cacheconfig), "Q", "");
348SYSCTL_OPAQUE (_hw, OID_AUTO, cachesize, CTLFLAG_RD | CTLFLAG_LOCKED, &cachesize, sizeof(cachesize), "Q", "");
349SYSCTL_PROC (_hw, OID_AUTO, pagesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, 0, sysctl_pagesize, "Q", "");
350SYSCTL_QUAD (_hw, OID_AUTO, busfrequency, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.bus_frequency_hz, "");
351SYSCTL_QUAD (_hw, OID_AUTO, busfrequency_min, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.bus_frequency_min_hz, "");
352SYSCTL_QUAD (_hw, OID_AUTO, busfrequency_max, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.bus_frequency_max_hz, "");
353SYSCTL_QUAD (_hw, OID_AUTO, cpufrequency, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.cpu_frequency_hz, "");
354SYSCTL_QUAD (_hw, OID_AUTO, cpufrequency_min, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.cpu_frequency_min_hz, "");
355SYSCTL_QUAD (_hw, OID_AUTO, cpufrequency_max, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.cpu_frequency_max_hz, "");
356SYSCTL_PROC (_hw, OID_AUTO, cachelinesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_CACHELINE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
357SYSCTL_PROC (_hw, OID_AUTO, l1icachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_L1ICACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
358SYSCTL_PROC (_hw, OID_AUTO, l1dcachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_L1DCACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
359SYSCTL_PROC (_hw, OID_AUTO, l2cachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_L2CACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
360SYSCTL_PROC (_hw, OID_AUTO, l3cachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_L3CACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
361SYSCTL_PROC(_hw, OID_AUTO, tbfrequency, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, 0, sysctl_tbfrequency, "Q", "");
362SYSCTL_QUAD (_hw, HW_MEMSIZE, memsize, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &max_mem, "");
363SYSCTL_INT (_hw, OID_AUTO, packages, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &packages, 0, "");
43866e37
A		 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 */
2d21ac55 373SYSCTL_NODE(_hw, OID_AUTO, optional, CTLFLAG_RW|CTLFLAG_LOCKED, NULL, "optional features");
43866e37 374
6d2010ae 375SYSCTL_INT(_hw_optional, OID_AUTO, floatingpoint, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (int *)NULL, 1, ""); /* always set */
43866e37 376
43866e37
A		 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 */
6d2010ae
A		 389SYSCTL_COMPAT_INT (_hw, HW_PAGESIZE, pagesize_compat, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &page_size, 0, "");
390SYSCTL_COMPAT_INT (_hw, HW_BUS_FREQ, busfrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.bus_clock_rate_hz, 0, "");
391SYSCTL_COMPAT_INT (_hw, HW_CPU_FREQ, cpufrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.cpu_clock_rate_hz, 0, "");
392SYSCTL_PROC(_hw, HW_CACHELINE, cachelinesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_CACHELINE, sysctl_hw_generic, "I", "");
393SYSCTL_PROC(_hw, HW_L1ICACHESIZE, l1icachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L1ICACHESIZE, sysctl_hw_generic, "I", "");
394SYSCTL_PROC(_hw, HW_L1DCACHESIZE, l1dcachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L1DCACHESIZE, sysctl_hw_generic, "I", "");
395SYSCTL_PROC(_hw, HW_L2CACHESIZE, l2cachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L2CACHESIZE, sysctl_hw_generic, "I", "");
396SYSCTL_PROC(_hw, HW_L3CACHESIZE, l3cachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L3CACHESIZE, sysctl_hw_generic, "I", "");
397SYSCTL_COMPAT_INT (_hw, HW_TB_FREQ, tbfrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.timebase_frequency_hz, 0, "");
398SYSCTL_PROC(_hw, HW_MACHINE, machine, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_MACHINE, sysctl_hw_generic, "A", "");
399SYSCTL_PROC(_hw, HW_MODEL, model, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_MODEL, sysctl_hw_generic, "A", "");
400SYSCTL_COMPAT_UINT(_hw, HW_PHYSMEM, physmem, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &mem_size, 0, "");
401SYSCTL_PROC(_hw, HW_USERMEM, usermem, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_USERMEM, sysctl_hw_generic, "I", "");
402SYSCTL_PROC(_hw, HW_EPOCH, epoch, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_EPOCH, sysctl_hw_generic, "I", "");
403SYSCTL_PROC(_hw, HW_VECTORUNIT, vectorunit, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_VECTORUNIT, sysctl_hw_generic, "I", "");
404SYSCTL_PROC(_hw, HW_L2SETTINGS, l2settings, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L2SETTINGS, sysctl_hw_generic, "I", "");
405SYSCTL_PROC(_hw, HW_L3SETTINGS, l3settings, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L3SETTINGS, sysctl_hw_generic, "I", "");
406SYSCTL_INT (_hw, OID_AUTO, cputhreadtype, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN | CTLFLAG_LOCKED, &cputhreadtype, 0, "");
407
316670eb 408#if defined(__i386__) || defined(__x86_64__)
2d21ac55
A		 409int mmx_flag = -1;
410int sse_flag = -1;
411int sse2_flag = -1;
412int sse3_flag = -1;
413int sse4_1_flag = -1;
414int sse4_2_flag = -1;
415int x86_64_flag = -1;
416int supplementalsse3_flag = -1;
d1ecb069 417int aes_flag = -1;
6d2010ae 418int avx1_0_flag = -1;
13f56ec4
A		 419int rdrand_flag = -1;
420int f16c_flag = -1;
421int enfstrg_flag = -1;
6d2010ae
A		 422
423SYSCTL_INT(_hw_optional, OID_AUTO, mmx, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &mmx_flag, 0, "");
424SYSCTL_INT(_hw_optional, OID_AUTO, sse, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &sse_flag, 0, "");
425SYSCTL_INT(_hw_optional, OID_AUTO, sse2, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &sse2_flag, 0, "");
426SYSCTL_INT(_hw_optional, OID_AUTO, sse3, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &sse3_flag, 0, "");
427SYSCTL_INT(_hw_optional, OID_AUTO, supplementalsse3, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &supplementalsse3_flag, 0, "");
428SYSCTL_INT(_hw_optional, OID_AUTO, sse4_1, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &sse4_1_flag, 0, "");
429SYSCTL_INT(_hw_optional, OID_AUTO, sse4_2, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &sse4_2_flag, 0, "");
b0d623f7
A		 430/* "x86_64" is actually a preprocessor symbol on the x86_64 kernel, so we have to hack this */
431#undef x86_64
6d2010ae
A		 432SYSCTL_INT(_hw_optional, OID_AUTO, x86_64, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &x86_64_flag, 0, "");
433SYSCTL_INT(_hw_optional, OID_AUTO, aes, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &aes_flag, 0, "");
434SYSCTL_INT(_hw_optional, OID_AUTO, avx1_0, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &avx1_0_flag, 0, "");
13f56ec4
A		 435SYSCTL_INT(_hw_optional, OID_AUTO, rdrand, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &rdrand_flag, 0, "");
436SYSCTL_INT(_hw_optional, OID_AUTO, f16c, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &f16c_flag, 0, "");
437SYSCTL_INT(_hw_optional, OID_AUTO, enfstrg, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &enfstrg_flag, 0, "");
316670eb
A		 438#else
439#error Unsupported arch
6d2010ae 440#endif /* !__i386__ && !__x86_64 && !__arm__ */
43866e37 441
0c530ab8
A		 442/*
443 * Debugging interface to the CPU power management code.
6d2010ae
A		 444 *
445 * Note: Does not need locks because it disables interrupts over
446 * the call.
0c530ab8 447 */
2d21ac55
A		 448static int
449pmsSysctl(__unused struct sysctl_oid *oidp, __unused void *arg1,
450 __unused int arg2, struct sysctl_req *req)
451{
0c530ab8
A		 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 */
b0d623f7 460 error = pmsControl(ctl.request, (user_addr_t)(uintptr_t)ctl.reqaddr, ctl.reqsize);
0c530ab8
A		 461 (void)ml_set_interrupts_enabled(intr); /* Restore interruptions */
462
463 return(error);
464}
465
6d2010ae 466SYSCTL_PROC(_hw, OID_AUTO, pms, CTLTYPE_STRUCT | CTLFLAG_WR | CTLFLAG_LOCKED, 0, 0, pmsSysctl, "S", "Processor Power Management");
0c530ab8
A		 467
468
469
43866e37
A		 470/******************************************************************************
471 * Generic MIB initialisation.
472 *
473 * This is a hack, and should be replaced with SYSINITs
474 * at some point.
475 */
476void
477sysctl_mib_init(void)
478{
91447636
A		 479 cputype = cpu_type();
480 cpusubtype = cpu_subtype();
481 cputhreadtype = cpu_threadtype();
6d2010ae 482#if defined(__i386__) || defined (__x86_64__)
2d21ac55 483 cpu64bit = (_get_cpu_capabilities() & k64Bit) == k64Bit;
316670eb
A		 484#else
485#error Unsupported arch
2d21ac55 486#endif
91447636 487
43866e37
A		 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 */
91447636
A		 495
496 if (cputhreadtype != CPU_THREADTYPE_NONE) {
91447636
A		 497 sysctl_register_oid(&sysctl__hw_cputhreadtype);
498 }
499
6d2010ae
A		 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);
13f56ec4
A		 512 rdrand_flag = is_capability_set(kHasRDRAND);
513 f16c_flag = is_capability_set(kHasF16C);
514 enfstrg_flag = is_capability_set(kHasENFSTRG);
0c530ab8
A		 515
516 /* hw.cpufamily */
7e4a7d39
A		 517 cpufamily = cpuid_cpufamily();
518
0c530ab8 519 /* hw.cacheconfig */
2d21ac55
A		 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);
0c530ab8
A		 524 cacheconfig[4] = 0;
525
2d21ac55
A		 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 */
593a1d5f
A		 534 packages = roundup(ml_cpu_cache_sharing(0), cpuid_info()->thread_count)
535 / cpuid_info()->thread_count;
536
316670eb
A		 537#else
538#error unknown architecture
6d2010ae 539#endif /* !__i386__ && !__x86_64 && !__arm__ */
43866e37 540
43866e37 541}
mirror of XNU