1 /*-
2 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org>
3 * Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
4 * Copyright (c) 2000 BSDi
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: releng/12.0/sys/dev/acpica/acpivar.h 330956 2018-03-14 23:42:28Z jkim $
29 */
30
31 #ifndef _ACPIVAR_H_
32 #define _ACPIVAR_H_
33
34 #ifdef _KERNEL
35
36 #include "acpi_if.h"
37 #include "bus_if.h"
38 #include <sys/eventhandler.h>
39 #ifdef INTRNG
40 #include <sys/intr.h>
41 #endif
42 #include <sys/ktr.h>
43 #include <sys/lock.h>
44 #include <sys/mutex.h>
45 #include <sys/selinfo.h>
46 #include <sys/sx.h>
47 #include <sys/sysctl.h>
48
49 #include <machine/bus.h>
50 #include <machine/resource.h>
51
52 struct apm_clone_data;
53 struct acpi_softc {
54 device_t acpi_dev;
55 struct cdev *acpi_dev_t;
56
57 int acpi_enabled;
58 int acpi_sstate;
59 int acpi_sleep_disabled;
60 int acpi_resources_reserved;
61
62 struct sysctl_ctx_list acpi_sysctl_ctx;
63 struct sysctl_oid *acpi_sysctl_tree;
64 int acpi_power_button_sx;
65 int acpi_sleep_button_sx;
66 int acpi_lid_switch_sx;
67
68 int acpi_standby_sx;
69 int acpi_suspend_sx;
70
71 int acpi_sleep_delay;
72 int acpi_s4bios;
73 int acpi_do_disable;
74 int acpi_verbose;
75 int acpi_handle_reboot;
76
77 vm_offset_t acpi_wakeaddr;
78 vm_paddr_t acpi_wakephys;
79
80 int acpi_next_sstate; /* Next suspend Sx state. */
81 struct apm_clone_data *acpi_clone; /* Pseudo-dev for devd(8). */
82 STAILQ_HEAD(,apm_clone_data) apm_cdevs; /* All apm/apmctl/acpi cdevs. */
83 struct callout susp_force_to; /* Force suspend if no acks. */
84 };
85
86 struct acpi_device {
87 /* ACPI ivars */
88 ACPI_HANDLE ad_handle;
89 void *ad_private;
90 int ad_flags;
91 int ad_cls_class;
92
93 /* Resources */
94 struct resource_list ad_rl;
95 };
96
97 #ifdef INTRNG
98 struct intr_map_data_acpi {
99 struct intr_map_data hdr;
100 u_int irq;
101 u_int pol;
102 u_int trig;
103 };
104
105 #endif
106
107 /* Track device (/dev/{apm,apmctl} and /dev/acpi) notification status. */
108 struct apm_clone_data {
109 STAILQ_ENTRY(apm_clone_data) entries;
110 struct cdev *cdev;
111 int flags;
112 #define ACPI_EVF_NONE 0 /* /dev/apm semantics */
113 #define ACPI_EVF_DEVD 1 /* /dev/acpi is handled via devd(8) */
114 #define ACPI_EVF_WRITE 2 /* Device instance is opened writable. */
115 int notify_status;
116 #define APM_EV_NONE 0 /* Device not yet aware of pending sleep. */
117 #define APM_EV_NOTIFIED 1 /* Device saw next sleep state. */
118 #define APM_EV_ACKED 2 /* Device agreed sleep can occur. */
119 struct acpi_softc *acpi_sc;
120 struct selinfo sel_read;
121 };
122
123 #define ACPI_PRW_MAX_POWERRES 8
124
125 struct acpi_prw_data {
126 ACPI_HANDLE gpe_handle;
127 int gpe_bit;
128 int lowest_wake;
129 ACPI_OBJECT power_res[ACPI_PRW_MAX_POWERRES];
130 int power_res_count;
131 };
132
133 /* Flags for each device defined in the AML namespace. */
134 #define ACPI_FLAG_WAKE_ENABLED 0x1
135
136 /* Macros for extracting parts of a PCI address from an _ADR value. */
137 #define ACPI_ADR_PCI_SLOT(adr) (((adr) & 0xffff0000) >> 16)
138 #define ACPI_ADR_PCI_FUNC(adr) ((adr) & 0xffff)
139
140 /*
141 * Entry points to ACPI from above are global functions defined in this
142 * file, sysctls, and I/O on the control device. Entry points from below
143 * are interrupts (the SCI), notifies, task queue threads, and the thermal
144 * zone polling thread.
145 *
146 * ACPI tables and global shared data are protected by a global lock
147 * (acpi_mutex).
148 *
149 * Each ACPI device can have its own driver-specific mutex for protecting
150 * shared access to local data. The ACPI_LOCK macros handle mutexes.
151 *
152 * Drivers that need to serialize access to functions (e.g., to route
153 * interrupts, get/set control paths, etc.) should use the sx lock macros
154 * (ACPI_SERIAL).
155 *
156 * ACPI-CA handles its own locking and should not be called with locks held.
157 *
158 * The most complicated path is:
159 * GPE -> EC runs _Qxx -> _Qxx reads EC space -> GPE
160 */
161 extern struct mtx acpi_mutex;
162 #define ACPI_LOCK(sys) mtx_lock(&sys##_mutex)
163 #define ACPI_UNLOCK(sys) mtx_unlock(&sys##_mutex)
164 #define ACPI_LOCK_ASSERT(sys) mtx_assert(&sys##_mutex, MA_OWNED);
165 #define ACPI_LOCK_DECL(sys, name) \
166 static struct mtx sys##_mutex; \
167 MTX_SYSINIT(sys##_mutex, &sys##_mutex, name, MTX_DEF)
168 #define ACPI_SERIAL_BEGIN(sys) sx_xlock(&sys##_sxlock)
169 #define ACPI_SERIAL_END(sys) sx_xunlock(&sys##_sxlock)
170 #define ACPI_SERIAL_ASSERT(sys) sx_assert(&sys##_sxlock, SX_XLOCKED);
171 #define ACPI_SERIAL_DECL(sys, name) \
172 static struct sx sys##_sxlock; \
173 SX_SYSINIT(sys##_sxlock, &sys##_sxlock, name)
174
175 /*
176 * ACPI CA does not define layers for non-ACPI CA drivers.
177 * We define some here within the range provided.
178 */
179 #define ACPI_AC_ADAPTER 0x00010000
180 #define ACPI_BATTERY 0x00020000
181 #define ACPI_BUS 0x00040000
182 #define ACPI_BUTTON 0x00080000
183 #define ACPI_EC 0x00100000
184 #define ACPI_FAN 0x00200000
185 #define ACPI_POWERRES 0x00400000
186 #define ACPI_PROCESSOR 0x00800000
187 #define ACPI_THERMAL 0x01000000
188 #define ACPI_TIMER 0x02000000
189 #define ACPI_OEM 0x04000000
190
191 /*
192 * Constants for different interrupt models used with acpi_SetIntrModel().
193 */
194 #define ACPI_INTR_PIC 0
195 #define ACPI_INTR_APIC 1
196 #define ACPI_INTR_SAPIC 2
197
198 /*
199 * Various features and capabilities for the acpi_get_features() method.
200 * In particular, these are used for the ACPI 3.0 _PDC and _OSC methods.
201 * See the Intel document titled "Intel Processor Vendor-Specific ACPI",
202 * number 302223-007.
203 */
204 #define ACPI_CAP_PERF_MSRS (1 << 0) /* Intel SpeedStep PERF_CTL MSRs */
205 #define ACPI_CAP_C1_IO_HALT (1 << 1) /* Intel C1 "IO then halt" sequence */
206 #define ACPI_CAP_THR_MSRS (1 << 2) /* Intel OnDemand throttling MSRs */
207 #define ACPI_CAP_SMP_SAME (1 << 3) /* MP C1, Px, and Tx (all the same) */
208 #define ACPI_CAP_SMP_SAME_C3 (1 << 4) /* MP C2 and C3 (all the same) */
209 #define ACPI_CAP_SMP_DIFF_PX (1 << 5) /* MP Px (different, using _PSD) */
210 #define ACPI_CAP_SMP_DIFF_CX (1 << 6) /* MP Cx (different, using _CSD) */
211 #define ACPI_CAP_SMP_DIFF_TX (1 << 7) /* MP Tx (different, using _TSD) */
212 #define ACPI_CAP_SMP_C1_NATIVE (1 << 8) /* MP C1 support other than halt */
213 #define ACPI_CAP_SMP_C3_NATIVE (1 << 9) /* MP C2 and C3 support */
214 #define ACPI_CAP_PX_HW_COORD (1 << 11) /* Intel P-state HW coordination */
215 #define ACPI_CAP_INTR_CPPC (1 << 12) /* Native Interrupt Handling for
216 Collaborative Processor Performance Control notifications */
217 #define ACPI_CAP_HW_DUTY_C (1 << 13) /* Hardware Duty Cycling */
218
219 /*
220 * Quirk flags.
221 *
222 * ACPI_Q_BROKEN: Disables all ACPI support.
223 * ACPI_Q_TIMER: Disables support for the ACPI timer.
224 * ACPI_Q_MADT_IRQ0: Specifies that ISA IRQ 0 is wired up to pin 0 of the
225 * first APIC and that the MADT should force that by ignoring the PC-AT
226 * compatible flag and ignoring overrides that redirect IRQ 0 to pin 2.
227 */
228 extern int acpi_quirks;
229 #define ACPI_Q_OK 0
230 #define ACPI_Q_BROKEN (1 << 0)
231 #define ACPI_Q_TIMER (1 << 1)
232 #define ACPI_Q_MADT_IRQ0 (1 << 2)
233
234 /*
235 * Note that the low ivar values are reserved to provide
236 * interface compatibility with ISA drivers which can also
237 * attach to ACPI.
238 */
239 #define ACPI_IVAR_HANDLE 0x100
240 #define ACPI_IVAR_UNUSED 0x101 /* Unused/reserved. */
241 #define ACPI_IVAR_PRIVATE 0x102
242 #define ACPI_IVAR_FLAGS 0x103
243
244 /*
245 * Accessor functions for our ivars. Default value for BUS_READ_IVAR is
246 * (type) 0. The <sys/bus.h> accessor functions don't check return values.
247 */
248 #define __ACPI_BUS_ACCESSOR(varp, var, ivarp, ivar, type) \
249 \
250 static __inline type varp ## _get_ ## var(device_t dev) \
251 { \
252 uintptr_t v = 0; \
253 BUS_READ_IVAR(device_get_parent(dev), dev, \
254 ivarp ## _IVAR_ ## ivar, &v); \
255 return ((type) v); \
256 } \
257 \
258 static __inline void varp ## _set_ ## var(device_t dev, type t) \
259 { \
260 uintptr_t v = (uintptr_t) t; \
261 BUS_WRITE_IVAR(device_get_parent(dev), dev, \
262 ivarp ## _IVAR_ ## ivar, v); \
263 }
264
265 __ACPI_BUS_ACCESSOR(acpi, handle, ACPI, HANDLE, ACPI_HANDLE)
266 __ACPI_BUS_ACCESSOR(acpi, private, ACPI, PRIVATE, void *)
267 __ACPI_BUS_ACCESSOR(acpi, flags, ACPI, FLAGS, int)
268
269 void acpi_fake_objhandler(ACPI_HANDLE h, void *data);
270 static __inline device_t
271 acpi_get_device(ACPI_HANDLE handle)
272 {
273 void *dev = NULL;
274 AcpiGetData(handle, acpi_fake_objhandler, &dev);
275 return ((device_t)dev);
276 }
277
278 static __inline ACPI_OBJECT_TYPE
279 acpi_get_type(device_t dev)
280 {
281 ACPI_HANDLE h;
282 ACPI_OBJECT_TYPE t;
283
284 if ((h = acpi_get_handle(dev)) == NULL)
285 return (ACPI_TYPE_NOT_FOUND);
286 if (ACPI_FAILURE(AcpiGetType(h, &t)))
287 return (ACPI_TYPE_NOT_FOUND);
288 return (t);
289 }
290
291 /* Find the difference between two PM tick counts. */
292 static __inline uint32_t
293 acpi_TimerDelta(uint32_t end, uint32_t start)
294 {
295
296 if (end < start && (AcpiGbl_FADT.Flags & ACPI_FADT_32BIT_TIMER) == 0)
297 end |= 0x01000000;
298 return (end - start);
299 }
300
301 #ifdef ACPI_DEBUGGER
302 void acpi_EnterDebugger(void);
303 #endif
304
305 #ifdef ACPI_DEBUG
306 #include <sys/cons.h>
307 #define STEP(x) do {printf x, printf("\n"); cngetc();} while (0)
308 #else
309 #define STEP(x)
310 #endif
311
312 #define ACPI_VPRINT(dev, acpi_sc, x...) do { \
313 if (acpi_get_verbose(acpi_sc)) \
314 device_printf(dev, x); \
315 } while (0)
316
317 /* Values for the first status word returned by _OSC. */
318 #define ACPI_OSC_FAILURE (1 << 1)
319 #define ACPI_OSC_BAD_UUID (1 << 2)
320 #define ACPI_OSC_BAD_REVISION (1 << 3)
321 #define ACPI_OSC_CAPS_MASKED (1 << 4)
322
323 #define ACPI_DEVINFO_PRESENT(x, flags) \
324 (((x) & (flags)) == (flags))
325 #define ACPI_DEVICE_PRESENT(x) \
326 ACPI_DEVINFO_PRESENT(x, ACPI_STA_DEVICE_PRESENT | \
327 ACPI_STA_DEVICE_FUNCTIONING)
328 #define ACPI_BATTERY_PRESENT(x) \
329 ACPI_DEVINFO_PRESENT(x, ACPI_STA_DEVICE_PRESENT | \
330 ACPI_STA_DEVICE_FUNCTIONING | ACPI_STA_BATTERY_PRESENT)
331
332 /* Callback function type for walking subtables within a table. */
333 typedef void acpi_subtable_handler(ACPI_SUBTABLE_HEADER *, void *);
334
335 BOOLEAN acpi_DeviceIsPresent(device_t dev);
336 BOOLEAN acpi_BatteryIsPresent(device_t dev);
337 ACPI_STATUS acpi_GetHandleInScope(ACPI_HANDLE parent, char *path,
338 ACPI_HANDLE *result);
339 ACPI_BUFFER *acpi_AllocBuffer(int size);
340 ACPI_STATUS acpi_ConvertBufferToInteger(ACPI_BUFFER *bufp,
341 UINT32 *number);
342 ACPI_STATUS acpi_GetInteger(ACPI_HANDLE handle, char *path,
343 UINT32 *number);
344 ACPI_STATUS acpi_SetInteger(ACPI_HANDLE handle, char *path,
345 UINT32 number);
346 ACPI_STATUS acpi_ForeachPackageObject(ACPI_OBJECT *obj,
347 void (*func)(ACPI_OBJECT *comp, void *arg), void *arg);
348 ACPI_STATUS acpi_FindIndexedResource(ACPI_BUFFER *buf, int index,
349 ACPI_RESOURCE **resp);
350 ACPI_STATUS acpi_AppendBufferResource(ACPI_BUFFER *buf,
351 ACPI_RESOURCE *res);
352 ACPI_STATUS acpi_EvaluateOSC(ACPI_HANDLE handle, uint8_t *uuid,
353 int revision, int count, uint32_t *caps_in,
354 uint32_t *caps_out, bool query);
355 ACPI_STATUS acpi_OverrideInterruptLevel(UINT32 InterruptNumber);
356 ACPI_STATUS acpi_SetIntrModel(int model);
357 int acpi_ReqSleepState(struct acpi_softc *sc, int state);
358 int acpi_AckSleepState(struct apm_clone_data *clone, int error);
359 ACPI_STATUS acpi_SetSleepState(struct acpi_softc *sc, int state);
360 int acpi_wake_set_enable(device_t dev, int enable);
361 int acpi_parse_prw(ACPI_HANDLE h, struct acpi_prw_data *prw);
362 ACPI_STATUS acpi_Startup(void);
363 void acpi_UserNotify(const char *subsystem, ACPI_HANDLE h,
364 uint8_t notify);
365 int acpi_bus_alloc_gas(device_t dev, int *type, int *rid,
366 ACPI_GENERIC_ADDRESS *gas, struct resource **res,
367 u_int flags);
368 void acpi_walk_subtables(void *first, void *end,
369 acpi_subtable_handler *handler, void *arg);
370 BOOLEAN acpi_MatchHid(ACPI_HANDLE h, const char *hid);
371
372 struct acpi_parse_resource_set {
373 void (*set_init)(device_t dev, void *arg, void **context);
374 void (*set_done)(device_t dev, void *context);
375 void (*set_ioport)(device_t dev, void *context, uint64_t base,
376 uint64_t length);
377 void (*set_iorange)(device_t dev, void *context, uint64_t low,
378 uint64_t high, uint64_t length, uint64_t align);
379 void (*set_memory)(device_t dev, void *context, uint64_t base,
380 uint64_t length);
381 void (*set_memoryrange)(device_t dev, void *context, uint64_t low,
382 uint64_t high, uint64_t length, uint64_t align);
383 void (*set_irq)(device_t dev, void *context, uint8_t *irq,
384 int count, int trig, int pol);
385 void (*set_ext_irq)(device_t dev, void *context, uint32_t *irq,
386 int count, int trig, int pol);
387 void (*set_drq)(device_t dev, void *context, uint8_t *drq,
388 int count);
389 void (*set_start_dependent)(device_t dev, void *context,
390 int preference);
391 void (*set_end_dependent)(device_t dev, void *context);
392 };
393
394 extern struct acpi_parse_resource_set acpi_res_parse_set;
395
396 int acpi_identify(void);
397 void acpi_config_intr(device_t dev, ACPI_RESOURCE *res);
398 ACPI_STATUS acpi_lookup_irq_resource(device_t dev, int rid,
399 struct resource *res, ACPI_RESOURCE *acpi_res);
400 ACPI_STATUS acpi_parse_resources(device_t dev, ACPI_HANDLE handle,
401 struct acpi_parse_resource_set *set, void *arg);
402 struct resource *acpi_alloc_sysres(device_t child, int type, int *rid,
403 rman_res_t start, rman_res_t end, rman_res_t count,
404 u_int flags);
405
406 /* ACPI event handling */
407 UINT32 acpi_event_power_button_sleep(void *context);
408 UINT32 acpi_event_power_button_wake(void *context);
409 UINT32 acpi_event_sleep_button_sleep(void *context);
410 UINT32 acpi_event_sleep_button_wake(void *context);
411
412 #define ACPI_EVENT_PRI_FIRST 0
413 #define ACPI_EVENT_PRI_DEFAULT 10000
414 #define ACPI_EVENT_PRI_LAST 20000
415
416 typedef void (*acpi_event_handler_t)(void *, int);
417
418 EVENTHANDLER_DECLARE(acpi_sleep_event, acpi_event_handler_t);
419 EVENTHANDLER_DECLARE(acpi_wakeup_event, acpi_event_handler_t);
420
421 /* Device power control. */
422 ACPI_STATUS acpi_pwr_wake_enable(ACPI_HANDLE consumer, int enable);
423 ACPI_STATUS acpi_pwr_switch_consumer(ACPI_HANDLE consumer, int state);
424 int acpi_device_pwr_for_sleep(device_t bus, device_t dev,
425 int *dstate);
426
427 /* APM emulation */
428 void acpi_apm_init(struct acpi_softc *);
429
430 /* Misc. */
431 static __inline struct acpi_softc *
432 acpi_device_get_parent_softc(device_t child)
433 {
434 device_t parent;
435
436 parent = device_get_parent(child);
437 if (parent == NULL)
438 return (NULL);
439 return (device_get_softc(parent));
440 }
441
442 static __inline int
443 acpi_get_verbose(struct acpi_softc *sc)
444 {
445 if (sc)
446 return (sc->acpi_verbose);
447 return (0);
448 }
449
450 char *acpi_name(ACPI_HANDLE handle);
451 int acpi_avoid(ACPI_HANDLE handle);
452 int acpi_disabled(char *subsys);
453 int acpi_machdep_init(device_t dev);
454 void acpi_install_wakeup_handler(struct acpi_softc *sc);
455 int acpi_sleep_machdep(struct acpi_softc *sc, int state);
456 int acpi_wakeup_machdep(struct acpi_softc *sc, int state,
457 int sleep_result, int intr_enabled);
458 int acpi_table_quirks(int *quirks);
459 int acpi_machdep_quirks(int *quirks);
460
461 uint32_t hpet_get_uid(device_t dev);
462
463 /* Battery Abstraction. */
464 struct acpi_battinfo;
465
466 int acpi_battery_register(device_t dev);
467 int acpi_battery_remove(device_t dev);
468 int acpi_battery_get_units(void);
469 int acpi_battery_get_info_expire(void);
470 int acpi_battery_bst_valid(struct acpi_bst *bst);
471 int acpi_battery_bif_valid(struct acpi_bif *bif);
472 int acpi_battery_get_battinfo(device_t dev,
473 struct acpi_battinfo *info);
474
475 /* Embedded controller. */
476 void acpi_ec_ecdt_probe(device_t);
477
478 /* AC adapter interface. */
479 int acpi_acad_get_acline(int *);
480
481 /* Package manipulation convenience functions. */
482 #define ACPI_PKG_VALID(pkg, size) \
483 ((pkg) != NULL && (pkg)->Type == ACPI_TYPE_PACKAGE && \
484 (pkg)->Package.Count >= (size))
485 int acpi_PkgInt(ACPI_OBJECT *res, int idx, UINT64 *dst);
486 int acpi_PkgInt32(ACPI_OBJECT *res, int idx, uint32_t *dst);
487 int acpi_PkgStr(ACPI_OBJECT *res, int idx, void *dst, size_t size);
488 int acpi_PkgGas(device_t dev, ACPI_OBJECT *res, int idx, int *type,
489 int *rid, struct resource **dst, u_int flags);
490 int acpi_PkgFFH_IntelCpu(ACPI_OBJECT *res, int idx, int *vendor,
491 int *class, uint64_t *address, int *accsize);
492 ACPI_HANDLE acpi_GetReference(ACPI_HANDLE scope, ACPI_OBJECT *obj);
493
494 /*
495 * Base level for BUS_ADD_CHILD. Special devices are added at orders less
496 * than this, and normal devices at or above this level. This keeps the
497 * probe order sorted so that things like sysresource are available before
498 * their children need them.
499 */
500 #define ACPI_DEV_BASE_ORDER 100
501
502 /* Default maximum number of tasks to enqueue. */
503 #ifndef ACPI_MAX_TASKS
504 #define ACPI_MAX_TASKS MAX(32, MAXCPU * 4)
505 #endif
506
507 /* Default number of task queue threads to start. */
508 #ifndef ACPI_MAX_THREADS
509 #define ACPI_MAX_THREADS 3
510 #endif
511
512 /* Use the device logging level for ktr(4). */
513 #define KTR_ACPI KTR_DEV
514
515 SYSCTL_DECL(_debug_acpi);
516
517 /*
518 * Map a PXM to a VM domain.
519 *
520 * Returns the VM domain ID if found, or -1 if not found / invalid.
521 */
522 int acpi_map_pxm_to_vm_domainid(int pxm);
523 int acpi_get_cpus(device_t dev, device_t child, enum cpu_sets op,
524 size_t setsize, cpuset_t *cpuset);
525 int acpi_get_domain(device_t dev, device_t child, int *domain);
526
527 #endif /* _KERNEL */
528 #endif /* !_ACPIVAR_H_ */
Cache object: 6826a81a68755de8083b0f7b4615de82
|