1/*
2 * Copyright (c) 2003-2018 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#include <string.h>
30#include <sys/param.h>
31#include <sys/kernel.h>
32#include <sys/sysctl.h>
33#include <i386/cpuid.h>
34#include <i386/tsc.h>
35#include <i386/rtclock_protos.h>
36#include <i386/machine_routines.h>
37#include <i386/pal_routines.h>
38#include <i386/ucode.h>
39#include <kern/clock.h>
40#include <libkern/libkern.h>
41#include <i386/lapic.h>
42#include <i386/mp.h>
43
44
45static int
46_i386_cpu_info SYSCTL_HANDLER_ARGS
47{
48 __unused struct sysctl_oid *unused_oidp = oidp;
49 void *ptr = arg1;
50 int value;
51
52 if (arg2 == -1) {
53 ptr = *(void **)ptr;
54 arg2 = 0;
55 }
56
57 if (arg2 == 0 && ((char *)ptr)[0] == '\0') {
58 return ENOENT;
59 }
60
61 if (arg2 == sizeof(uint8_t)) {
62 value = (uint32_t) *(uint8_t *)ptr;
63 ptr = &value;
64 arg2 = sizeof(uint32_t);
65 }
66 return SYSCTL_OUT(req, ptr, arg2 ? (size_t) arg2 : strlen((char *)ptr)+1);
67}
68
69static int
70i386_cpu_info SYSCTL_HANDLER_ARGS
71{
72 void *ptr = (uint8_t *)cpuid_info() + (uintptr_t)arg1;
73 return _i386_cpu_info(oidp, ptr, arg2, req);
74}
75
76static int
77i386_cpu_info_nonzero SYSCTL_HANDLER_ARGS
78{
79 void *ptr = (uint8_t *)cpuid_info() + (uintptr_t)arg1;
80 int value = *(uint32_t *)ptr;
81
82 if (value == 0)
83 return ENOENT;
84
85 return _i386_cpu_info(oidp, ptr, arg2, req);
86}
87static int
88cpu_mwait SYSCTL_HANDLER_ARGS
89{
90 i386_cpu_info_t *cpu_info = cpuid_info();
91 void *ptr = (uint8_t *)cpu_info->cpuid_mwait_leafp + (uintptr_t)arg1;
92 if (cpu_info->cpuid_mwait_leafp == NULL)
93 return ENOENT;
94 return _i386_cpu_info(oidp, ptr, arg2, req);
95}
96
97static int
98cpu_thermal SYSCTL_HANDLER_ARGS
99{
100 i386_cpu_info_t *cpu_info = cpuid_info();
101 void *ptr = (uint8_t *)cpu_info->cpuid_thermal_leafp + (uintptr_t)arg1;
102 if (cpu_info->cpuid_thermal_leafp == NULL)
103 return ENOENT;
104 return _i386_cpu_info(oidp, ptr, arg2, req);
105}
106
107static int
108cpu_arch_perf SYSCTL_HANDLER_ARGS
109{
110 i386_cpu_info_t *cpu_info = cpuid_info();
111 void *ptr = (uint8_t *)cpu_info->cpuid_arch_perf_leafp + (uintptr_t)arg1;
112 if (cpu_info->cpuid_arch_perf_leafp == NULL)
113 return ENOENT;
114 return _i386_cpu_info(oidp, ptr, arg2, req);
115}
116
117static int
118cpu_xsave SYSCTL_HANDLER_ARGS
119{
120 i386_cpu_info_t *cpu_info = cpuid_info();
121 void *ptr = (uint8_t *)cpu_info->cpuid_xsave_leafp + (uintptr_t)arg1;
122 if (cpu_info->cpuid_xsave_leafp == NULL)
123 return ENOENT;
124 return _i386_cpu_info(oidp, ptr, arg2, req);
125}
126
127
128static int
129cpu_features SYSCTL_HANDLER_ARGS
130{
131 __unused struct sysctl_oid *unused_oidp = oidp;
132 __unused void *unused_arg1 = arg1;
133 __unused int unused_arg2 = arg2;
134 char buf[512];
135
136 buf[0] = '\0';
137 cpuid_get_feature_names(cpuid_features(), buf, sizeof(buf));
138
139 return SYSCTL_OUT(req, buf, strlen(buf) + 1);
140}
141
142static int
143cpu_extfeatures SYSCTL_HANDLER_ARGS
144{
145 __unused struct sysctl_oid *unused_oidp = oidp;
146 __unused void *unused_arg1 = arg1;
147 __unused int unused_arg2 = arg2;
148 char buf[512];
149
150 buf[0] = '\0';
151 cpuid_get_extfeature_names(cpuid_extfeatures(), buf, sizeof(buf));
152
153 return SYSCTL_OUT(req, buf, strlen(buf) + 1);
154}
155
156static int
157cpu_leaf7_features SYSCTL_HANDLER_ARGS
158{
159 __unused struct sysctl_oid *unused_oidp = oidp;
160 __unused void *unused_arg1 = arg1;
161 __unused int unused_arg2 = arg2;
162 char buf[512];
163
164 uint32_t leaf7_features = cpuid_info()->cpuid_leaf7_features;
165 if (leaf7_features == 0)
166 return ENOENT;
167
168 buf[0] = '\0';
169 cpuid_get_leaf7_feature_names(leaf7_features, buf, sizeof(buf));
170
171 return SYSCTL_OUT(req, buf, strlen(buf) + 1);
172}
173
174static int
175cpu_logical_per_package SYSCTL_HANDLER_ARGS
176{
177 __unused struct sysctl_oid *unused_oidp = oidp;
178 __unused void *unused_arg1 = arg1;
179 __unused int unused_arg2 = arg2;
180 i386_cpu_info_t *cpu_info = cpuid_info();
181
182 if (!(cpuid_features() & CPUID_FEATURE_HTT))
183 return ENOENT;
184
185 return SYSCTL_OUT(req, &cpu_info->cpuid_logical_per_package,
186 sizeof(cpu_info->cpuid_logical_per_package));
187}
188
189static int
190cpu_flex_ratio_desired SYSCTL_HANDLER_ARGS
191{
192 __unused struct sysctl_oid *unused_oidp = oidp;
193 __unused void *unused_arg1 = arg1;
194 __unused int unused_arg2 = arg2;
195 i386_cpu_info_t *cpu_info = cpuid_info();
196
197 if (cpu_info->cpuid_model != 26)
198 return ENOENT;
199
200 return SYSCTL_OUT(req, &flex_ratio, sizeof(flex_ratio));
201}
202
203static int
204cpu_flex_ratio_min SYSCTL_HANDLER_ARGS
205{
206 __unused struct sysctl_oid *unused_oidp = oidp;
207 __unused void *unused_arg1 = arg1;
208 __unused int unused_arg2 = arg2;
209 i386_cpu_info_t *cpu_info = cpuid_info();
210
211 if (cpu_info->cpuid_model != 26)
212 return ENOENT;
213
214 return SYSCTL_OUT(req, &flex_ratio_min, sizeof(flex_ratio_min));
215}
216
217static int
218cpu_flex_ratio_max SYSCTL_HANDLER_ARGS
219{
220 __unused struct sysctl_oid *unused_oidp = oidp;
221 __unused void *unused_arg1 = arg1;
222 __unused int unused_arg2 = arg2;
223 i386_cpu_info_t *cpu_info = cpuid_info();
224
225 if (cpu_info->cpuid_model != 26)
226 return ENOENT;
227
228 return SYSCTL_OUT(req, &flex_ratio_max, sizeof(flex_ratio_max));
229}
230
231static int
232cpu_ucode_update SYSCTL_HANDLER_ARGS
233{
234 __unused struct sysctl_oid *unused_oidp = oidp;
235 __unused void *unused_arg1 = arg1;
236 __unused int unused_arg2 = arg2;
237 uint64_t addr;
238 int error;
239
240 error = SYSCTL_IN(req, &addr, sizeof(addr));
241 if (error)
242 return error;
243
244 int ret = ucode_interface(addr);
245 return ret;
246}
247
248extern uint64_t panic_restart_timeout;
249static int
250panic_set_restart_timeout(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
251{
252 int new_value = 0, old_value = 0, changed = 0, error;
253 uint64_t nstime;
254
255 if (panic_restart_timeout) {
256 absolutetime_to_nanoseconds(panic_restart_timeout, &nstime);
257 old_value = nstime / NSEC_PER_SEC;
258 }
259
260 error = sysctl_io_number(req, old_value, sizeof(int), &new_value, &changed);
261 if (error == 0 && changed) {
262 nanoseconds_to_absolutetime(((uint64_t)new_value) * NSEC_PER_SEC, &panic_restart_timeout);
263 }
264 return error;
265}
266
267/*
268 * Populates the {CPU, vector, latency} triple for the maximum observed primary
269 * interrupt latency
270 */
271static int
272misc_interrupt_latency_max(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
273{
274 int changed = 0, error;
275 char buf[128];
276 buf[0] = '\0';
277
278 interrupt_populate_latency_stats(buf, sizeof(buf));
279
280 error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed);
281
282 if (error == 0 && changed) {
283 interrupt_reset_latency_stats();
284 }
285
286 return error;
287}
288
289#if DEVELOPMENT || DEBUG
290/*
291 * Triggers a machine-check exception - for a suitably configured kernel only.
292 */
293extern void mca_exception_panic(void);
294static int
295misc_machine_check_panic(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
296{
297 int changed = 0, error;
298 char buf[128];
299 buf[0] = '\0';
300
301 error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed);
302
303 if (error == 0 && changed) {
304 mca_exception_panic();
305 }
306 return error;
307}
308
309/*
310 * Triggers a non-responsive processor timeout panic - for a suitably configured kernel only.
311 */
312static uint64_t kernel_timeout_spin = 0;
313static int
314misc_kernel_timeout_spin(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
315{
316 uint64_t old_value;
317 uint64_t new_value;
318 int changed = 0, error;
319 char buf[128];
320 buf[0] = '\0';
321
322 absolutetime_to_nanoseconds(kernel_timeout_spin, &old_value);
323
324 error = sysctl_io_number(req, old_value, sizeof(uint64_t), &new_value, &changed);
325 if (error == 0 && changed) {
326 nanoseconds_to_absolutetime(((uint64_t)new_value), &kernel_timeout_spin);
327 kernel_spin(kernel_timeout_spin);
328 }
329 return error;
330}
331#endif /* DEVELOPMENT || DEBUG */
332
333
334SYSCTL_NODE(_machdep, OID_AUTO, cpu, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
335 "CPU info");
336
337SYSCTL_PROC(_machdep_cpu, OID_AUTO, max_basic, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
338 (void *)offsetof(i386_cpu_info_t, cpuid_max_basic),sizeof(uint32_t),
339 i386_cpu_info, "IU", "Max Basic Information value");
340
341SYSCTL_PROC(_machdep_cpu, OID_AUTO, max_ext, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
342 (void *)offsetof(i386_cpu_info_t, cpuid_max_ext), sizeof(uint32_t),
343 i386_cpu_info, "IU", "Max Extended Function Information value");
344
345SYSCTL_PROC(_machdep_cpu, OID_AUTO, vendor, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
346 (void *)offsetof(i386_cpu_info_t, cpuid_vendor), 0,
347 i386_cpu_info, "A", "CPU vendor");
348
349SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand_string, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
350 (void *)offsetof(i386_cpu_info_t, cpuid_brand_string), 0,
351 i386_cpu_info, "A", "CPU brand string");
352
353SYSCTL_PROC(_machdep_cpu, OID_AUTO, family, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
354 (void *)offsetof(i386_cpu_info_t, cpuid_family), sizeof(uint8_t),
355 i386_cpu_info, "I", "CPU family");
356
357SYSCTL_PROC(_machdep_cpu, OID_AUTO, model, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
358 (void *)offsetof(i386_cpu_info_t, cpuid_model), sizeof(uint8_t),
359 i386_cpu_info, "I", "CPU model");
360
361SYSCTL_PROC(_machdep_cpu, OID_AUTO, extmodel, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
362 (void *)offsetof(i386_cpu_info_t, cpuid_extmodel), sizeof(uint8_t),
363 i386_cpu_info, "I", "CPU extended model");
364
365SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfamily, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
366 (void *)offsetof(i386_cpu_info_t, cpuid_extfamily), sizeof(uint8_t),
367 i386_cpu_info, "I", "CPU extended family");
368
369SYSCTL_PROC(_machdep_cpu, OID_AUTO, stepping, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
370 (void *)offsetof(i386_cpu_info_t, cpuid_stepping), sizeof(uint8_t),
371 i386_cpu_info, "I", "CPU stepping");
372
373SYSCTL_PROC(_machdep_cpu, OID_AUTO, feature_bits, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
374 (void *)offsetof(i386_cpu_info_t, cpuid_features), sizeof(uint64_t),
375 i386_cpu_info, "IU", "CPU features");
376
377SYSCTL_PROC(_machdep_cpu, OID_AUTO, leaf7_feature_bits,
378 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
379 (void *)offsetof(i386_cpu_info_t, cpuid_leaf7_features),
380 sizeof(uint32_t),
381 i386_cpu_info_nonzero, "IU", "CPU Leaf7 features");
382
383SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeature_bits, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
384 (void *)offsetof(i386_cpu_info_t, cpuid_extfeatures), sizeof(uint64_t),
385 i386_cpu_info, "IU", "CPU extended features");
386
387SYSCTL_PROC(_machdep_cpu, OID_AUTO, signature, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
388 (void *)offsetof(i386_cpu_info_t, cpuid_signature), sizeof(uint32_t),
389 i386_cpu_info, "I", "CPU signature");
390
391SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
392 (void *)offsetof(i386_cpu_info_t, cpuid_brand), sizeof(uint8_t),
393 i386_cpu_info, "I", "CPU brand");
394
395SYSCTL_PROC(_machdep_cpu, OID_AUTO, features, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
396 0, 0,
397 cpu_features, "A", "CPU feature names");
398
399SYSCTL_PROC(_machdep_cpu, OID_AUTO, leaf7_features,
400 CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
401 0, 0,
402 cpu_leaf7_features, "A", "CPU Leaf7 feature names");
403
404SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeatures, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
405 0, 0,
406 cpu_extfeatures, "A", "CPU extended feature names");
407
408SYSCTL_PROC(_machdep_cpu, OID_AUTO, logical_per_package,
409 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
410 0, 0,
411 cpu_logical_per_package, "I", "CPU logical cpus per package");
412
413SYSCTL_PROC(_machdep_cpu, OID_AUTO, cores_per_package,
414 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
415 (void *)offsetof(i386_cpu_info_t, cpuid_cores_per_package),
416 sizeof(uint32_t),
417 i386_cpu_info, "I", "CPU cores per package");
418
419SYSCTL_PROC(_machdep_cpu, OID_AUTO, microcode_version,
420 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
421 (void *)offsetof(i386_cpu_info_t, cpuid_microcode_version),
422 sizeof(uint32_t),
423 i386_cpu_info, "I", "Microcode version number");
424
425SYSCTL_PROC(_machdep_cpu, OID_AUTO, processor_flag,
426 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
427 (void *)offsetof(i386_cpu_info_t, cpuid_processor_flag),
428 sizeof(uint32_t),
429 i386_cpu_info, "I", "CPU processor flag");
430
431
432SYSCTL_NODE(_machdep_cpu, OID_AUTO, mwait, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
433 "mwait");
434
435SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, linesize_min,
436 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
437 (void *)offsetof(cpuid_mwait_leaf_t, linesize_min),
438 sizeof(uint32_t),
439 cpu_mwait, "I", "Monitor/mwait minimum line size");
440
441SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, linesize_max,
442 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
443 (void *)offsetof(cpuid_mwait_leaf_t, linesize_max),
444 sizeof(uint32_t),
445 cpu_mwait, "I", "Monitor/mwait maximum line size");
446
447SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, extensions,
448 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
449 (void *)offsetof(cpuid_mwait_leaf_t, extensions),
450 sizeof(uint32_t),
451 cpu_mwait, "I", "Monitor/mwait extensions");
452
453SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, sub_Cstates,
454 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
455 (void *)offsetof(cpuid_mwait_leaf_t, sub_Cstates),
456 sizeof(uint32_t),
457 cpu_mwait, "I", "Monitor/mwait sub C-states");
458
459
460SYSCTL_NODE(_machdep_cpu, OID_AUTO, thermal, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
461 "thermal");
462
463SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, sensor,
464 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
465 (void *)offsetof(cpuid_thermal_leaf_t, sensor),
466 sizeof(boolean_t),
467 cpu_thermal, "I", "Thermal sensor present");
468
469SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, dynamic_acceleration,
470 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
471 (void *)offsetof(cpuid_thermal_leaf_t, dynamic_acceleration),
472 sizeof(boolean_t),
473 cpu_thermal, "I", "Dynamic Acceleration Technology (Turbo Mode)");
474
475SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, invariant_APIC_timer,
476 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
477 (void *)offsetof(cpuid_thermal_leaf_t, invariant_APIC_timer),
478 sizeof(boolean_t),
479 cpu_thermal, "I", "Invariant APIC Timer");
480
481SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, thresholds,
482 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
483 (void *)offsetof(cpuid_thermal_leaf_t, thresholds),
484 sizeof(uint32_t),
485 cpu_thermal, "I", "Number of interrupt thresholds");
486
487SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, ACNT_MCNT,
488 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
489 (void *)offsetof(cpuid_thermal_leaf_t, ACNT_MCNT),
490 sizeof(boolean_t),
491 cpu_thermal, "I", "ACNT_MCNT capability");
492
493SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, core_power_limits,
494 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
495 (void *)offsetof(cpuid_thermal_leaf_t, core_power_limits),
496 sizeof(boolean_t),
497 cpu_thermal, "I", "Power Limit Notifications at a Core Level");
498
499SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, fine_grain_clock_mod,
500 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
501 (void *)offsetof(cpuid_thermal_leaf_t, fine_grain_clock_mod),
502 sizeof(boolean_t),
503 cpu_thermal, "I", "Fine Grain Clock Modulation");
504
505SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, package_thermal_intr,
506 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
507 (void *)offsetof(cpuid_thermal_leaf_t, package_thermal_intr),
508 sizeof(boolean_t),
509 cpu_thermal, "I", "Package Thermal interrupt and Status");
510
511SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, hardware_feedback,
512 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
513 (void *)offsetof(cpuid_thermal_leaf_t, hardware_feedback),
514 sizeof(boolean_t),
515 cpu_thermal, "I", "Hardware Coordination Feedback");
516
517SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, energy_policy,
518 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
519 (void *)offsetof(cpuid_thermal_leaf_t, energy_policy),
520 sizeof(boolean_t),
521 cpu_thermal, "I", "Energy Efficient Policy Support");
522
523SYSCTL_NODE(_machdep_cpu, OID_AUTO, xsave, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
524 "xsave");
525
526SYSCTL_PROC(_machdep_cpu_xsave, OID_AUTO, extended_state,
527 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
528 (void *) 0,
529 sizeof(cpuid_xsave_leaf_t),
530 cpu_xsave, "IU", "XSAVE Extended State Main Leaf");
531
532SYSCTL_PROC(_machdep_cpu_xsave, OID_AUTO, extended_state1,
533 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
534 (void *) sizeof(cpuid_xsave_leaf_t),
535 sizeof(cpuid_xsave_leaf_t),
536 cpu_xsave, "IU", "XSAVE Extended State Sub-leaf 1");
537
538
539SYSCTL_NODE(_machdep_cpu, OID_AUTO, arch_perf, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
540 "arch_perf");
541
542SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, version,
543 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
544 (void *)offsetof(cpuid_arch_perf_leaf_t, version),
545 sizeof(uint8_t),
546 cpu_arch_perf, "I", "Architectural Performance Version Number");
547
548SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, number,
549 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
550 (void *)offsetof(cpuid_arch_perf_leaf_t, number),
551 sizeof(uint8_t),
552 cpu_arch_perf, "I", "Number of counters per logical cpu");
553
554SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, width,
555 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
556 (void *)offsetof(cpuid_arch_perf_leaf_t, width),
557 sizeof(uint8_t),
558 cpu_arch_perf, "I", "Bit width of counters");
559
560SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events_number,
561 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
562 (void *)offsetof(cpuid_arch_perf_leaf_t, events_number),
563 sizeof(uint8_t),
564 cpu_arch_perf, "I", "Number of monitoring events");
565
566SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events,
567 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
568 (void *)offsetof(cpuid_arch_perf_leaf_t, events),
569 sizeof(uint32_t),
570 cpu_arch_perf, "I", "Bit vector of events");
571
572SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_number,
573 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
574 (void *)offsetof(cpuid_arch_perf_leaf_t, fixed_number),
575 sizeof(uint8_t),
576 cpu_arch_perf, "I", "Number of fixed-function counters");
577
578SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_width,
579 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
580 (void *)offsetof(cpuid_arch_perf_leaf_t, fixed_width),
581 sizeof(uint8_t),
582 cpu_arch_perf, "I", "Bit-width of fixed-function counters");
583
584
585SYSCTL_NODE(_machdep_cpu, OID_AUTO, cache, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
586 "cache");
587
588SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, linesize,
589 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
590 (void *)offsetof(i386_cpu_info_t, cpuid_cache_linesize),
591 sizeof(uint32_t),
592 i386_cpu_info, "I", "Cacheline size");
593
594SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, L2_associativity,
595 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
596 (void *)offsetof(i386_cpu_info_t, cpuid_cache_L2_associativity),
597 sizeof(uint32_t),
598 i386_cpu_info, "I", "L2 cache associativity");
599
600SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, size,
601 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
602 (void *)offsetof(i386_cpu_info_t, cpuid_cache_size),
603 sizeof(uint32_t),
604 i386_cpu_info, "I", "Cache size (in Kbytes)");
605
606
607SYSCTL_NODE(_machdep_cpu, OID_AUTO, tlb, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
608 "tlb");
609SYSCTL_NODE(_machdep_cpu_tlb, OID_AUTO, inst, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
610 "inst");
611SYSCTL_NODE(_machdep_cpu_tlb, OID_AUTO, data, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
612 "data");
613
614SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, small,
615 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
616 (void *)offsetof(i386_cpu_info_t,
617 cpuid_tlb[TLB_INST][TLB_SMALL][0]),
618 sizeof(uint32_t),
619 i386_cpu_info_nonzero, "I",
620 "Number of small page instruction TLBs");
621
622SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small,
623 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
624 (void *)offsetof(i386_cpu_info_t,
625 cpuid_tlb[TLB_DATA][TLB_SMALL][0]),
626 sizeof(uint32_t),
627 i386_cpu_info_nonzero, "I",
628 "Number of small page data TLBs (1st level)");
629
630SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small_level1,
631 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
632 (void *)offsetof(i386_cpu_info_t,
633 cpuid_tlb[TLB_DATA][TLB_SMALL][1]),
634 sizeof(uint32_t),
635 i386_cpu_info_nonzero, "I",
636 "Number of small page data TLBs (2nd level)");
637
638SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, large,
639 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
640 (void *)offsetof(i386_cpu_info_t,
641 cpuid_tlb[TLB_INST][TLB_LARGE][0]),
642 sizeof(uint32_t),
643 i386_cpu_info_nonzero, "I",
644 "Number of large page instruction TLBs");
645
646SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large,
647 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
648 (void *)offsetof(i386_cpu_info_t,
649 cpuid_tlb[TLB_DATA][TLB_LARGE][0]),
650 sizeof(uint32_t),
651 i386_cpu_info_nonzero, "I",
652 "Number of large page data TLBs (1st level)");
653
654SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large_level1,
655 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
656 (void *)offsetof(i386_cpu_info_t,
657 cpuid_tlb[TLB_DATA][TLB_LARGE][1]),
658 sizeof(uint32_t),
659 i386_cpu_info_nonzero, "I",
660 "Number of large page data TLBs (2nd level)");
661
662SYSCTL_PROC(_machdep_cpu_tlb, OID_AUTO, shared,
663 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
664 (void *)offsetof(i386_cpu_info_t, cpuid_stlb),
665 sizeof(uint32_t),
666 i386_cpu_info_nonzero, "I",
667 "Number of shared TLBs");
668
669
670SYSCTL_NODE(_machdep_cpu, OID_AUTO, address_bits, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
671 "address_bits");
672
673SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, physical,
674 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
675 (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_physical),
676 sizeof(uint32_t),
677 i386_cpu_info, "I", "Number of physical address bits");
678
679SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, virtual,
680 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
681 (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_virtual),
682 sizeof(uint32_t),
683 i386_cpu_info, "I", "Number of virtual address bits");
684
685
686SYSCTL_PROC(_machdep_cpu, OID_AUTO, core_count,
687 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
688 (void *)offsetof(i386_cpu_info_t, core_count),
689 sizeof(uint32_t),
690 i386_cpu_info, "I", "Number of enabled cores per package");
691
692SYSCTL_PROC(_machdep_cpu, OID_AUTO, thread_count,
693 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
694 (void *)offsetof(i386_cpu_info_t, thread_count),
695 sizeof(uint32_t),
696 i386_cpu_info, "I", "Number of enabled threads per package");
697
698SYSCTL_NODE(_machdep_cpu, OID_AUTO, flex_ratio, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
699 "Flex ratio");
700
701SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, desired,
702 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
703 0, 0,
704 cpu_flex_ratio_desired, "I", "Flex ratio desired (0 disabled)");
705
706SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, min,
707 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
708 0, 0,
709 cpu_flex_ratio_min, "I", "Flex ratio min (efficiency)");
710
711SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, max,
712 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
713 0, 0,
714 cpu_flex_ratio_max, "I", "Flex ratio max (non-turbo)");
715
716SYSCTL_PROC(_machdep_cpu, OID_AUTO, ucupdate,
717 CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_LOCKED, 0, 0,
718 cpu_ucode_update, "S", "Microcode update interface");
719
720SYSCTL_NODE(_machdep_cpu, OID_AUTO, tsc_ccc, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
721 "TSC/CCC frequency information");
722
723SYSCTL_PROC(_machdep_cpu_tsc_ccc, OID_AUTO, numerator,
724 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
725 (void *)offsetof(i386_cpu_info_t, cpuid_tsc_leaf.numerator),
726 sizeof(uint32_t),
727 i386_cpu_info, "I", "Numerator of TSC/CCC ratio");
728
729SYSCTL_PROC(_machdep_cpu_tsc_ccc, OID_AUTO, denominator,
730 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
731 (void *)offsetof(i386_cpu_info_t, cpuid_tsc_leaf.denominator),
732 sizeof(uint32_t),
733 i386_cpu_info, "I", "Denominator of TSC/CCC ratio");
734
735static const uint32_t apic_timer_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_TIMER_INTERRUPT);
736static const uint32_t apic_IPI_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_INTERPROCESSOR_INTERRUPT);
737
738SYSCTL_NODE(_machdep, OID_AUTO, vectors, CTLFLAG_RD | CTLFLAG_LOCKED, 0,
739 "Interrupt vector assignments");
740
741SYSCTL_UINT (_machdep_vectors, OID_AUTO, timer, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, __DECONST(uint32_t *,&apic_timer_vector), 0, "");
742SYSCTL_UINT (_machdep_vectors, OID_AUTO, IPI, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, __DECONST(uint32_t *,&apic_IPI_vector), 0, "");
743
744uint64_t pmap_pv_hashlist_walks;
745uint64_t pmap_pv_hashlist_cnts;
746uint32_t pmap_pv_hashlist_max;
747uint32_t pmap_kernel_text_ps = PAGE_SIZE;
748extern uint32_t pv_hashed_kern_low_water_mark;
749
750/*extern struct sysctl_oid_list sysctl__machdep_pmap_children;*/
751
752SYSCTL_NODE(_machdep, OID_AUTO, pmap, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
753 "PMAP info");
754
755SYSCTL_QUAD (_machdep_pmap, OID_AUTO, hashwalks, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_walks, "");
756SYSCTL_QUAD (_machdep_pmap, OID_AUTO, hashcnts, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_cnts, "");
757SYSCTL_INT (_machdep_pmap, OID_AUTO, hashmax, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_max, 0, "");
758SYSCTL_INT (_machdep_pmap, OID_AUTO, kernel_text_ps, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_kernel_text_ps, 0, "");
759SYSCTL_INT (_machdep_pmap, OID_AUTO, kern_pv_reserve, CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED, &pv_hashed_kern_low_water_mark, 0, "");
760
761SYSCTL_NODE(_machdep, OID_AUTO, memmap, CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "physical memory map");
762
763uint64_t firmware_Conventional_bytes = 0;
764uint64_t firmware_RuntimeServices_bytes = 0;
765uint64_t firmware_ACPIReclaim_bytes = 0;
766uint64_t firmware_ACPINVS_bytes = 0;
767uint64_t firmware_PalCode_bytes = 0;
768uint64_t firmware_Reserved_bytes = 0;
769uint64_t firmware_Unusable_bytes = 0;
770uint64_t firmware_other_bytes = 0;
771
772SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Conventional, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Conventional_bytes, "");
773SYSCTL_QUAD(_machdep_memmap, OID_AUTO, RuntimeServices, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_RuntimeServices_bytes, "");
774SYSCTL_QUAD(_machdep_memmap, OID_AUTO, ACPIReclaim, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_ACPIReclaim_bytes, "");
775SYSCTL_QUAD(_machdep_memmap, OID_AUTO, ACPINVS, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_ACPINVS_bytes, "");
776SYSCTL_QUAD(_machdep_memmap, OID_AUTO, PalCode, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_PalCode_bytes, "");
777SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Reserved, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Reserved_bytes, "");
778SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Unusable, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Unusable_bytes, "");
779SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Other, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_other_bytes, "");
780
781SYSCTL_NODE(_machdep, OID_AUTO, tsc, CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "Timestamp counter parameters");
782
783SYSCTL_QUAD(_machdep_tsc, OID_AUTO, frequency,
784 CTLFLAG_RD|CTLFLAG_LOCKED, &tscFreq, "");
785
786extern uint32_t deep_idle_rebase;
787SYSCTL_UINT(_machdep_tsc, OID_AUTO, deep_idle_rebase,
788 CTLFLAG_RD|CTLFLAG_LOCKED, &deep_idle_rebase, 0, "");
789SYSCTL_QUAD(_machdep_tsc, OID_AUTO, at_boot,
790 CTLFLAG_RD|CTLFLAG_LOCKED, &tsc_at_boot, "");
791SYSCTL_QUAD(_machdep_tsc, OID_AUTO, rebase_abs_time,
792 CTLFLAG_RD|CTLFLAG_LOCKED, &tsc_rebase_abs_time, "");
793
794SYSCTL_NODE(_machdep_tsc, OID_AUTO, nanotime,
795 CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "TSC to ns conversion");
796SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, tsc_base,
797 CTLFLAG_RD | CTLFLAG_LOCKED,
798 __DECONST(uint64_t *, &pal_rtc_nanotime_info.tsc_base), "");
799SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, ns_base,
800 CTLFLAG_RD | CTLFLAG_LOCKED,
801 __DECONST(uint64_t *, &pal_rtc_nanotime_info.ns_base), "");
802SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, scale,
803 CTLFLAG_RD | CTLFLAG_LOCKED,
804 __DECONST(uint32_t *, &pal_rtc_nanotime_info.scale), 0, "");
805SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, shift,
806 CTLFLAG_RD | CTLFLAG_LOCKED,
807 __DECONST(uint32_t *, &pal_rtc_nanotime_info.shift), 0, "");
808SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, generation,
809 CTLFLAG_RD | CTLFLAG_LOCKED,
810 __DECONST(uint32_t *, &pal_rtc_nanotime_info.generation), 0, "");
811
812SYSCTL_NODE(_machdep, OID_AUTO, misc, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
813 "Miscellaneous x86 kernel parameters");
814
815#if (DEVELOPMENT || DEBUG)
816extern uint32_t mp_interrupt_watchdog_events;
817SYSCTL_UINT(_machdep_misc, OID_AUTO, interrupt_watchdog_events,
818 CTLFLAG_RW|CTLFLAG_LOCKED, &mp_interrupt_watchdog_events, 0, "");
819#endif
820
821
822SYSCTL_PROC(_machdep_misc, OID_AUTO, panic_restart_timeout,
823 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
824 0, 0,
825 panic_set_restart_timeout, "I", "Panic restart timeout in seconds");
826
827SYSCTL_PROC(_machdep_misc, OID_AUTO, interrupt_latency_max,
828 CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
829 0, 0,
830 misc_interrupt_latency_max, "A", "Maximum Interrupt latency");
831
832#if DEVELOPMENT || DEBUG
833SYSCTL_PROC(_machdep_misc, OID_AUTO, machine_check_panic,
834 CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
835 0, 0,
836 misc_machine_check_panic, "A", "Machine-check exception test");
837
838SYSCTL_PROC(_machdep_misc, OID_AUTO, kernel_timeout_spin,
839 CTLTYPE_QUAD | CTLFLAG_RW | CTLFLAG_LOCKED,
840 0, sizeof(kernel_timeout_spin),
841 misc_kernel_timeout_spin, "Q", "Kernel timeout panic test");
842
843SYSCTL_QUAD(_machdep, OID_AUTO, reportphyreadabs,
844 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
845 &reportphyreaddelayabs, "");
846SYSCTL_INT(_machdep, OID_AUTO, reportphyreadosbt,
847 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
848 &reportphyreadosbt, 0, "");
849SYSCTL_INT(_machdep, OID_AUTO, phyreaddelaypanic,
850 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
851 &phyreadpanic, 0, "");
852
853extern int pmap_pagezero_mitigation;
854extern int pmap_asserts_enabled, pmap_asserts_traced;
855/* On DEV/DEBUG kernels, clear this to disable the SMAP emulation
856 * (address space disconnect) for pagezero-less processes.
857 */
858SYSCTL_INT(_machdep, OID_AUTO, pmap_pagezero_mitigation,
859 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
860 &pmap_pagezero_mitigation, 0, "");
861/* Toggle pmap assertions */
862SYSCTL_INT(_machdep, OID_AUTO, pmap_asserts,
863 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
864 &pmap_asserts_enabled, 0, "");
865/* Transform pmap assertions into kernel trace terminations */
866SYSCTL_INT(_machdep, OID_AUTO, pmap_asserts_traced,
867 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
868 &pmap_asserts_traced, 0, "");
869
870static int
871misc_svisor_read(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
872{
873 uint64_t new_value = 0, old_value = 0;
874 int changed = 0, error;
875
876 error = sysctl_io_number(req, old_value, sizeof(uint64_t), &new_value, &changed);
877 if ((error == 0) && changed) {
878 volatile uint32_t *raddr = (uint32_t *) new_value;
879 printf("Supervisor: value at 0x%llx is 0x%x\n", new_value, *raddr);
880 }
881 return error;
882}
883
884SYSCTL_PROC(_machdep_misc, OID_AUTO, misc_svisor_read,
885 CTLTYPE_QUAD | CTLFLAG_RW | CTLFLAG_LOCKED,
886 0, 0,
887 misc_svisor_read, "I", "supervisor mode read");
888
889#endif /* DEVELOPMENT || DEBUG */
890
891extern void timer_queue_trace_cpu(int);
892static int
893misc_timer_queue_trace(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
894{
895 int changed = 0, error;
896 char buf[128];
897 buf[0] = '\0';
898
899 error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed);
900
901 if (error == 0 && changed) {
902 timer_queue_trace_cpu(0);
903 }
904 return error;
905}
906
907SYSCTL_PROC(_machdep_misc, OID_AUTO, timer_queue_trace,
908 CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
909 0, 0,
910 misc_timer_queue_trace, "A", "Cut timer queue tracepoint");
911
912extern long NMI_count;
913extern void NMI_cpus(void);
914static int
915misc_nmis(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
916{
917 int new = 0, old = 0, changed = 0, error;
918
919 old = NMI_count;
920
921 error = sysctl_io_number(req, old, sizeof(int), &new, &changed);
922 if (error == 0 && changed) {
923 NMI_cpus();
924 }
925
926 return error;
927}
928
929SYSCTL_PROC(_machdep_misc, OID_AUTO, nmis,
930 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
931 0, 0,
932 misc_nmis, "I", "Report/increment NMI count");
933
934/* Parameters related to timer coalescing tuning, to be replaced
935 * with a dedicated systemcall in the future.
936 */
937/* Enable processing pending timers in the context of any other interrupt */
938SYSCTL_INT(_kern, OID_AUTO, interrupt_timer_coalescing_enabled,
939 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
940 &interrupt_timer_coalescing_enabled, 0, "");
941/* Upon entering idle, process pending timers with HW deadlines
942 * this far in the future.
943 */
944SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_idle_entry_hard_deadline_max,
945 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
946 &idle_entry_timer_processing_hdeadline_threshold, 0, "");
947
948/* Track potentially expensive eager timer evaluations on QoS tier
949 * switches.
950 */
951extern uint32_t ml_timer_eager_evaluations;
952
953SYSCTL_INT(_machdep, OID_AUTO, eager_timer_evaluations,
954 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
955 &ml_timer_eager_evaluations, 0, "");
956
957extern uint64_t ml_timer_eager_evaluation_max;
958
959SYSCTL_QUAD(_machdep, OID_AUTO, eager_timer_evaluation_max,
960 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
961 &ml_timer_eager_evaluation_max, "");
962extern uint64_t x86_isr_fp_simd_use;
963SYSCTL_QUAD(_machdep, OID_AUTO, x86_fp_simd_isr_uses,
964 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
965 &x86_isr_fp_simd_use, "");
966#if DEVELOPMENT || DEBUG
967
968extern int plctrace_enabled;
969
970SYSCTL_INT(_machdep, OID_AUTO, pltrace,
971 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
972 &plctrace_enabled, 0, "");
973
974extern int fpsimd_fault_popc;
975SYSCTL_INT(_machdep, OID_AUTO, fpsimd_fault_popc,
976 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
977 &fpsimd_fault_popc, 0, "");
978
979#endif /* DEVELOPMENT || DEBUG */
980