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 * $FreeBSD$
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 * Plug and play information for device matching. Matching table format
236 * is compatible with ids parameter of ACPI_ID_PROBE bus method.
237 *
238 * XXX: While ACPI_ID_PROBE matches against _HID and all _CIDs, current
239 * acpi_pnpinfo_str() exports only _HID and first _CID. That means second
240 * and further _CIDs should be added to both acpi_pnpinfo_str() and
241 * ACPICOMPAT_PNP_INFO if device matching against them is required.
242 */
243 #define ACPICOMPAT_PNP_INFO(t, busname) \
244 MODULE_PNP_INFO("Z:_HID", busname, t##hid, t, nitems(t)-1); \
245 MODULE_PNP_INFO("Z:_CID", busname, t##cid, t, nitems(t)-1);
246 #define ACPI_PNP_INFO(t) ACPICOMPAT_PNP_INFO(t, acpi)
247
248 /*
249 * Note that the low ivar values are reserved to provide
250 * interface compatibility with ISA drivers which can also
251 * attach to ACPI.
252 */
253 #define ACPI_IVAR_HANDLE 0x100
254 #define ACPI_IVAR_UNUSED 0x101 /* Unused/reserved. */
255 #define ACPI_IVAR_PRIVATE 0x102
256 #define ACPI_IVAR_FLAGS 0x103
257
258 /*
259 * Accessor functions for our ivars. Default value for BUS_READ_IVAR is
260 * (type) 0. The <sys/bus.h> accessor functions don't check return values.
261 */
262 #define __ACPI_BUS_ACCESSOR(varp, var, ivarp, ivar, type) \
263 \
264 static __inline type varp ## _get_ ## var(device_t dev) \
265 { \
266 uintptr_t v = 0; \
267 BUS_READ_IVAR(device_get_parent(dev), dev, \
268 ivarp ## _IVAR_ ## ivar, &v); \
269 return ((type) v); \
270 } \
271 \
272 static __inline void varp ## _set_ ## var(device_t dev, type t) \
273 { \
274 uintptr_t v = (uintptr_t) t; \
275 BUS_WRITE_IVAR(device_get_parent(dev), dev, \
276 ivarp ## _IVAR_ ## ivar, v); \
277 }
278
279 __ACPI_BUS_ACCESSOR(acpi, handle, ACPI, HANDLE, ACPI_HANDLE)
280 __ACPI_BUS_ACCESSOR(acpi, private, ACPI, PRIVATE, void *)
281 __ACPI_BUS_ACCESSOR(acpi, flags, ACPI, FLAGS, int)
282
283 void acpi_fake_objhandler(ACPI_HANDLE h, void *data);
284 static __inline device_t
285 acpi_get_device(ACPI_HANDLE handle)
286 {
287 void *dev = NULL;
288 AcpiGetData(handle, acpi_fake_objhandler, &dev);
289 return ((device_t)dev);
290 }
291
292 static __inline ACPI_OBJECT_TYPE
293 acpi_get_type(device_t dev)
294 {
295 ACPI_HANDLE h;
296 ACPI_OBJECT_TYPE t;
297
298 if ((h = acpi_get_handle(dev)) == NULL)
299 return (ACPI_TYPE_NOT_FOUND);
300 if (ACPI_FAILURE(AcpiGetType(h, &t)))
301 return (ACPI_TYPE_NOT_FOUND);
302 return (t);
303 }
304
305 /* Find the difference between two PM tick counts. */
306 static __inline uint32_t
307 acpi_TimerDelta(uint32_t end, uint32_t start)
308 {
309
310 if (end < start && (AcpiGbl_FADT.Flags & ACPI_FADT_32BIT_TIMER) == 0)
311 end |= 0x01000000;
312 return (end - start);
313 }
314
315 #ifdef ACPI_DEBUGGER
316 void acpi_EnterDebugger(void);
317 #endif
318
319 #ifdef ACPI_DEBUG
320 #include <sys/cons.h>
321 #define STEP(x) do {printf x, printf("\n"); cngetc();} while (0)
322 #else
323 #define STEP(x)
324 #endif
325
326 #define ACPI_VPRINT(dev, acpi_sc, x...) do { \
327 if (acpi_get_verbose(acpi_sc)) \
328 device_printf(dev, x); \
329 } while (0)
330
331 /* Values for the first status word returned by _OSC. */
332 #define ACPI_OSC_FAILURE (1 << 1)
333 #define ACPI_OSC_BAD_UUID (1 << 2)
334 #define ACPI_OSC_BAD_REVISION (1 << 3)
335 #define ACPI_OSC_CAPS_MASKED (1 << 4)
336
337 #define ACPI_DEVINFO_PRESENT(x, flags) \
338 (((x) & (flags)) == (flags))
339 #define ACPI_DEVICE_PRESENT(x) \
340 ACPI_DEVINFO_PRESENT(x, ACPI_STA_DEVICE_PRESENT | \
341 ACPI_STA_DEVICE_FUNCTIONING)
342 #define ACPI_BATTERY_PRESENT(x) \
343 ACPI_DEVINFO_PRESENT(x, ACPI_STA_DEVICE_PRESENT | \
344 ACPI_STA_DEVICE_FUNCTIONING | ACPI_STA_BATTERY_PRESENT)
345
346 /* Callback function type for walking subtables within a table. */
347 typedef void acpi_subtable_handler(ACPI_SUBTABLE_HEADER *, void *);
348
349 BOOLEAN acpi_DeviceIsPresent(device_t dev);
350 BOOLEAN acpi_BatteryIsPresent(device_t dev);
351 ACPI_STATUS acpi_GetHandleInScope(ACPI_HANDLE parent, char *path,
352 ACPI_HANDLE *result);
353 ACPI_BUFFER *acpi_AllocBuffer(int size);
354 ACPI_STATUS acpi_ConvertBufferToInteger(ACPI_BUFFER *bufp,
355 UINT32 *number);
356 ACPI_STATUS acpi_GetInteger(ACPI_HANDLE handle, char *path,
357 UINT32 *number);
358 ACPI_STATUS acpi_SetInteger(ACPI_HANDLE handle, char *path,
359 UINT32 number);
360 ACPI_STATUS acpi_ForeachPackageObject(ACPI_OBJECT *obj,
361 void (*func)(ACPI_OBJECT *comp, void *arg), void *arg);
362 ACPI_STATUS acpi_FindIndexedResource(ACPI_BUFFER *buf, int index,
363 ACPI_RESOURCE **resp);
364 ACPI_STATUS acpi_AppendBufferResource(ACPI_BUFFER *buf,
365 ACPI_RESOURCE *res);
366 UINT8 acpi_DSMQuery(ACPI_HANDLE h, uint8_t *uuid, int revision);
367 ACPI_STATUS acpi_EvaluateDSM(ACPI_HANDLE handle, uint8_t *uuid,
368 int revision, uint64_t function, union acpi_object *package,
369 ACPI_BUFFER *out_buf);
370 ACPI_STATUS acpi_EvaluateOSC(ACPI_HANDLE handle, uint8_t *uuid,
371 int revision, int count, uint32_t *caps_in,
372 uint32_t *caps_out, bool query);
373 ACPI_STATUS acpi_OverrideInterruptLevel(UINT32 InterruptNumber);
374 ACPI_STATUS acpi_SetIntrModel(int model);
375 int acpi_ReqSleepState(struct acpi_softc *sc, int state);
376 int acpi_AckSleepState(struct apm_clone_data *clone, int error);
377 ACPI_STATUS acpi_SetSleepState(struct acpi_softc *sc, int state);
378 int acpi_wake_set_enable(device_t dev, int enable);
379 int acpi_parse_prw(ACPI_HANDLE h, struct acpi_prw_data *prw);
380 ACPI_STATUS acpi_Startup(void);
381 void acpi_UserNotify(const char *subsystem, ACPI_HANDLE h,
382 uint8_t notify);
383 int acpi_bus_alloc_gas(device_t dev, int *type, int *rid,
384 ACPI_GENERIC_ADDRESS *gas, struct resource **res,
385 u_int flags);
386 void acpi_walk_subtables(void *first, void *end,
387 acpi_subtable_handler *handler, void *arg);
388 BOOLEAN acpi_has_hid(ACPI_HANDLE handle);
389 BOOLEAN acpi_MatchHid(ACPI_HANDLE h, const char *hid);
390
391 struct acpi_parse_resource_set {
392 void (*set_init)(device_t dev, void *arg, void **context);
393 void (*set_done)(device_t dev, void *context);
394 void (*set_ioport)(device_t dev, void *context, uint64_t base,
395 uint64_t length);
396 void (*set_iorange)(device_t dev, void *context, uint64_t low,
397 uint64_t high, uint64_t length, uint64_t align);
398 void (*set_memory)(device_t dev, void *context, uint64_t base,
399 uint64_t length);
400 void (*set_memoryrange)(device_t dev, void *context, uint64_t low,
401 uint64_t high, uint64_t length, uint64_t align);
402 void (*set_irq)(device_t dev, void *context, uint8_t *irq,
403 int count, int trig, int pol);
404 void (*set_ext_irq)(device_t dev, void *context, uint32_t *irq,
405 int count, int trig, int pol);
406 void (*set_drq)(device_t dev, void *context, uint8_t *drq,
407 int count);
408 void (*set_start_dependent)(device_t dev, void *context,
409 int preference);
410 void (*set_end_dependent)(device_t dev, void *context);
411 };
412
413 extern struct acpi_parse_resource_set acpi_res_parse_set;
414
415 int acpi_identify(void);
416 void acpi_config_intr(device_t dev, ACPI_RESOURCE *res);
417 #ifdef INTRNG
418 int acpi_map_intr(device_t dev, u_int irq, ACPI_HANDLE handle);
419 #endif
420 ACPI_STATUS acpi_lookup_irq_resource(device_t dev, int rid,
421 struct resource *res, ACPI_RESOURCE *acpi_res);
422 ACPI_STATUS acpi_parse_resources(device_t dev, ACPI_HANDLE handle,
423 struct acpi_parse_resource_set *set, void *arg);
424 struct resource *acpi_alloc_sysres(device_t child, int type, int *rid,
425 rman_res_t start, rman_res_t end, rman_res_t count,
426 u_int flags);
427
428 /* ACPI event handling */
429 UINT32 acpi_event_power_button_sleep(void *context);
430 UINT32 acpi_event_power_button_wake(void *context);
431 UINT32 acpi_event_sleep_button_sleep(void *context);
432 UINT32 acpi_event_sleep_button_wake(void *context);
433
434 #define ACPI_EVENT_PRI_FIRST 0
435 #define ACPI_EVENT_PRI_DEFAULT 10000
436 #define ACPI_EVENT_PRI_LAST 20000
437
438 typedef void (*acpi_event_handler_t)(void *, int);
439
440 EVENTHANDLER_DECLARE(acpi_sleep_event, acpi_event_handler_t);
441 EVENTHANDLER_DECLARE(acpi_wakeup_event, acpi_event_handler_t);
442
443 /* Device power control. */
444 ACPI_STATUS acpi_pwr_wake_enable(ACPI_HANDLE consumer, int enable);
445 ACPI_STATUS acpi_pwr_switch_consumer(ACPI_HANDLE consumer, int state);
446 int acpi_device_pwr_for_sleep(device_t bus, device_t dev,
447 int *dstate);
448 int acpi_set_powerstate(device_t child, int state);
449
450 /* APM emulation */
451 void acpi_apm_init(struct acpi_softc *);
452
453 /* Misc. */
454 static __inline struct acpi_softc *
455 acpi_device_get_parent_softc(device_t child)
456 {
457 device_t parent;
458
459 parent = device_get_parent(child);
460 if (parent == NULL)
461 return (NULL);
462 return (device_get_softc(parent));
463 }
464
465 static __inline int
466 acpi_get_verbose(struct acpi_softc *sc)
467 {
468 if (sc)
469 return (sc->acpi_verbose);
470 return (0);
471 }
472
473 char *acpi_name(ACPI_HANDLE handle);
474 int acpi_avoid(ACPI_HANDLE handle);
475 int acpi_disabled(char *subsys);
476 int acpi_machdep_init(device_t dev);
477 void acpi_install_wakeup_handler(struct acpi_softc *sc);
478 int acpi_sleep_machdep(struct acpi_softc *sc, int state);
479 int acpi_wakeup_machdep(struct acpi_softc *sc, int state,
480 int sleep_result, int intr_enabled);
481 int acpi_table_quirks(int *quirks);
482 int acpi_machdep_quirks(int *quirks);
483 int acpi_pnpinfo_str(ACPI_HANDLE handle, char *buf, size_t buflen);
484
485 uint32_t hpet_get_uid(device_t dev);
486
487 /* Battery Abstraction. */
488 struct acpi_battinfo;
489
490 int acpi_battery_register(device_t dev);
491 int acpi_battery_remove(device_t dev);
492 int acpi_battery_get_units(void);
493 int acpi_battery_get_info_expire(void);
494 int acpi_battery_bst_valid(struct acpi_bst *bst);
495 int acpi_battery_bix_valid(struct acpi_bix *bix);
496 int acpi_battery_get_battinfo(device_t dev,
497 struct acpi_battinfo *info);
498
499 /* Embedded controller. */
500 void acpi_ec_ecdt_probe(device_t);
501
502 /* AC adapter interface. */
503 int acpi_acad_get_acline(int *);
504
505 /* Package manipulation convenience functions. */
506 #define ACPI_PKG_VALID(pkg, size) \
507 ((pkg) != NULL && (pkg)->Type == ACPI_TYPE_PACKAGE && \
508 (pkg)->Package.Count >= (size))
509 #define ACPI_PKG_VALID_EQ(pkg, size) \
510 ((pkg) != NULL && (pkg)->Type == ACPI_TYPE_PACKAGE && \
511 (pkg)->Package.Count == (size))
512 int acpi_PkgInt(ACPI_OBJECT *res, int idx, UINT64 *dst);
513 int acpi_PkgInt32(ACPI_OBJECT *res, int idx, uint32_t *dst);
514 int acpi_PkgInt16(ACPI_OBJECT *res, int idx, uint16_t *dst);
515 int acpi_PkgStr(ACPI_OBJECT *res, int idx, void *dst, size_t size);
516 int acpi_PkgGas(device_t dev, ACPI_OBJECT *res, int idx, int *type,
517 int *rid, struct resource **dst, u_int flags);
518 int acpi_PkgFFH_IntelCpu(ACPI_OBJECT *res, int idx, int *vendor,
519 int *class, uint64_t *address, int *accsize);
520 ACPI_HANDLE acpi_GetReference(ACPI_HANDLE scope, ACPI_OBJECT *obj);
521
522 /*
523 * Base level for BUS_ADD_CHILD. Special devices are added at orders less
524 * than this, and normal devices at or above this level. This keeps the
525 * probe order sorted so that things like sysresource are available before
526 * their children need them.
527 */
528 #define ACPI_DEV_BASE_ORDER 100
529
530 /* Default maximum number of tasks to enqueue. */
531 #ifndef ACPI_MAX_TASKS
532 #define ACPI_MAX_TASKS MAX(32, MAXCPU * 4)
533 #endif
534
535 /* Default number of task queue threads to start. */
536 #ifndef ACPI_MAX_THREADS
537 #define ACPI_MAX_THREADS 3
538 #endif
539
540 /* Use the device logging level for ktr(4). */
541 #define KTR_ACPI KTR_DEV
542
543 SYSCTL_DECL(_debug_acpi);
544
545 /*
546 * Parse and use proximity information in SRAT and SLIT.
547 */
548 int acpi_pxm_init(int ncpus, vm_paddr_t maxphys);
549 void acpi_pxm_parse_tables(void);
550 void acpi_pxm_set_mem_locality(void);
551 void acpi_pxm_set_cpu_locality(void);
552 int acpi_pxm_get_cpu_locality(int apic_id);
553
554 /*
555 * Map a PXM to a VM domain.
556 *
557 * Returns the VM domain ID if found, or -1 if not found / invalid.
558 */
559 int acpi_map_pxm_to_vm_domainid(int pxm);
560 int acpi_get_cpus(device_t dev, device_t child, enum cpu_sets op,
561 size_t setsize, cpuset_t *cpuset);
562 int acpi_get_domain(device_t dev, device_t child, int *domain);
563
564 #ifdef __aarch64__
565 /*
566 * ARM specific ACPI interfaces, relating to IORT table.
567 */
568 int acpi_iort_map_pci_msi(u_int seg, u_int rid, u_int *xref, u_int *devid);
569 int acpi_iort_its_lookup(u_int its_id, u_int *xref, int *pxm);
570 #endif
571 #endif /* _KERNEL */
572 #endif /* !_ACPIVAR_H_ */
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