Linux kernel mirror (for testing)
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linux
1/*
2 * acpi.h - ACPI Interface
3 *
4 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
5 *
6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
23 */
24
25#ifndef _LINUX_ACPI_H
26#define _LINUX_ACPI_H
27
28#include <linux/errno.h>
29#include <linux/ioport.h> /* for struct resource */
30#include <linux/device.h>
31
32#ifdef CONFIG_ACPI
33
34#ifndef _LINUX
35#define _LINUX
36#endif
37
38#include <linux/list.h>
39#include <linux/mod_devicetable.h>
40
41#include <acpi/acpi.h>
42#include <acpi/acpi_bus.h>
43#include <acpi/acpi_drivers.h>
44#include <acpi/acpi_numa.h>
45#include <asm/acpi.h>
46
47enum acpi_irq_model_id {
48 ACPI_IRQ_MODEL_PIC = 0,
49 ACPI_IRQ_MODEL_IOAPIC,
50 ACPI_IRQ_MODEL_IOSAPIC,
51 ACPI_IRQ_MODEL_PLATFORM,
52 ACPI_IRQ_MODEL_COUNT
53};
54
55extern enum acpi_irq_model_id acpi_irq_model;
56
57enum acpi_interrupt_id {
58 ACPI_INTERRUPT_PMI = 1,
59 ACPI_INTERRUPT_INIT,
60 ACPI_INTERRUPT_CPEI,
61 ACPI_INTERRUPT_COUNT
62};
63
64#define ACPI_SPACE_MEM 0
65
66enum acpi_address_range_id {
67 ACPI_ADDRESS_RANGE_MEMORY = 1,
68 ACPI_ADDRESS_RANGE_RESERVED = 2,
69 ACPI_ADDRESS_RANGE_ACPI = 3,
70 ACPI_ADDRESS_RANGE_NVS = 4,
71 ACPI_ADDRESS_RANGE_COUNT
72};
73
74
75/* Table Handlers */
76
77typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
78
79typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
80 const unsigned long end);
81
82#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
83void acpi_initrd_override(void *data, size_t size);
84#else
85static inline void acpi_initrd_override(void *data, size_t size)
86{
87}
88#endif
89
90char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
91void __acpi_unmap_table(char *map, unsigned long size);
92int early_acpi_boot_init(void);
93int acpi_boot_init (void);
94void acpi_boot_table_init (void);
95int acpi_mps_check (void);
96int acpi_numa_init (void);
97
98int acpi_table_init (void);
99int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
100int __init acpi_table_parse_entries(char *id, unsigned long table_size,
101 int entry_id,
102 acpi_tbl_entry_handler handler,
103 unsigned int max_entries);
104int acpi_table_parse_madt(enum acpi_madt_type id,
105 acpi_tbl_entry_handler handler,
106 unsigned int max_entries);
107int acpi_parse_mcfg (struct acpi_table_header *header);
108void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
109
110/* the following four functions are architecture-dependent */
111void acpi_numa_slit_init (struct acpi_table_slit *slit);
112void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
113void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
114int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
115void acpi_numa_arch_fixup(void);
116
117#ifdef CONFIG_ACPI_HOTPLUG_CPU
118/* Arch dependent functions for cpu hotplug support */
119int acpi_map_lsapic(acpi_handle handle, int *pcpu);
120int acpi_unmap_lsapic(int cpu);
121#endif /* CONFIG_ACPI_HOTPLUG_CPU */
122
123int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
124int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
125void acpi_irq_stats_init(void);
126extern u32 acpi_irq_handled;
127extern u32 acpi_irq_not_handled;
128
129extern int sbf_port;
130extern unsigned long acpi_realmode_flags;
131
132int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
133int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
134int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
135
136#ifdef CONFIG_X86_IO_APIC
137extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
138#else
139#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
140#endif
141/*
142 * This function undoes the effect of one call to acpi_register_gsi().
143 * If this matches the last registration, any IRQ resources for gsi
144 * are freed.
145 */
146void acpi_unregister_gsi (u32 gsi);
147
148struct pci_dev;
149
150int acpi_pci_irq_enable (struct pci_dev *dev);
151void acpi_penalize_isa_irq(int irq, int active);
152
153void acpi_pci_irq_disable (struct pci_dev *dev);
154
155struct acpi_pci_driver {
156 struct list_head node;
157 int (*add)(struct acpi_pci_root *root);
158 void (*remove)(struct acpi_pci_root *root);
159};
160
161int acpi_pci_register_driver(struct acpi_pci_driver *driver);
162void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
163
164extern int ec_read(u8 addr, u8 *val);
165extern int ec_write(u8 addr, u8 val);
166extern int ec_transaction(u8 command,
167 const u8 *wdata, unsigned wdata_len,
168 u8 *rdata, unsigned rdata_len);
169extern acpi_handle ec_get_handle(void);
170
171#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
172
173typedef void (*wmi_notify_handler) (u32 value, void *context);
174
175extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
176 u32 method_id,
177 const struct acpi_buffer *in,
178 struct acpi_buffer *out);
179extern acpi_status wmi_query_block(const char *guid, u8 instance,
180 struct acpi_buffer *out);
181extern acpi_status wmi_set_block(const char *guid, u8 instance,
182 const struct acpi_buffer *in);
183extern acpi_status wmi_install_notify_handler(const char *guid,
184 wmi_notify_handler handler, void *data);
185extern acpi_status wmi_remove_notify_handler(const char *guid);
186extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
187extern bool wmi_has_guid(const char *guid);
188
189#endif /* CONFIG_ACPI_WMI */
190
191#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
192#define ACPI_VIDEO_DEVICE_POSTING 0x0002
193#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
194#define ACPI_VIDEO_BACKLIGHT 0x0008
195#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
196#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
197#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
198#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
199#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
200#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
201#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
202#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
203
204#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
205
206extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
207extern long acpi_is_video_device(struct acpi_device *device);
208extern void acpi_video_dmi_promote_vendor(void);
209extern void acpi_video_dmi_demote_vendor(void);
210extern int acpi_video_backlight_support(void);
211extern int acpi_video_display_switch_support(void);
212
213#else
214
215static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
216{
217 return 0;
218}
219
220static inline long acpi_is_video_device(struct acpi_device *device)
221{
222 return 0;
223}
224
225static inline void acpi_video_dmi_promote_vendor(void)
226{
227}
228
229static inline void acpi_video_dmi_demote_vendor(void)
230{
231}
232
233static inline int acpi_video_backlight_support(void)
234{
235 return 0;
236}
237
238static inline int acpi_video_display_switch_support(void)
239{
240 return 0;
241}
242
243#endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
244
245extern int acpi_blacklisted(void);
246extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
247extern void acpi_osi_setup(char *str);
248
249#ifdef CONFIG_ACPI_NUMA
250int acpi_get_pxm(acpi_handle handle);
251int acpi_get_node(acpi_handle *handle);
252#else
253static inline int acpi_get_pxm(acpi_handle handle)
254{
255 return 0;
256}
257static inline int acpi_get_node(acpi_handle *handle)
258{
259 return 0;
260}
261#endif
262extern int acpi_paddr_to_node(u64 start_addr, u64 size);
263
264extern int pnpacpi_disabled;
265
266#define PXM_INVAL (-1)
267
268bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
269bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
270bool acpi_dev_resource_address_space(struct acpi_resource *ares,
271 struct resource *res);
272bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
273 struct resource *res);
274unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
275bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
276 struct resource *res);
277
278struct resource_list_entry {
279 struct list_head node;
280 struct resource res;
281};
282
283void acpi_dev_free_resource_list(struct list_head *list);
284int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
285 int (*preproc)(struct acpi_resource *, void *),
286 void *preproc_data);
287
288int acpi_check_resource_conflict(const struct resource *res);
289
290int acpi_check_region(resource_size_t start, resource_size_t n,
291 const char *name);
292
293int acpi_resources_are_enforced(void);
294
295#ifdef CONFIG_HIBERNATION
296void __init acpi_no_s4_hw_signature(void);
297#endif
298
299#ifdef CONFIG_PM_SLEEP
300void __init acpi_old_suspend_ordering(void);
301void __init acpi_nvs_nosave(void);
302void __init acpi_nvs_nosave_s3(void);
303#endif /* CONFIG_PM_SLEEP */
304
305struct acpi_osc_context {
306 char *uuid_str; /* uuid string */
307 int rev;
308 struct acpi_buffer cap; /* arg2/arg3 */
309 struct acpi_buffer ret; /* free by caller if success */
310};
311
312#define OSC_QUERY_TYPE 0
313#define OSC_SUPPORT_TYPE 1
314#define OSC_CONTROL_TYPE 2
315
316/* _OSC DW0 Definition */
317#define OSC_QUERY_ENABLE 1
318#define OSC_REQUEST_ERROR 2
319#define OSC_INVALID_UUID_ERROR 4
320#define OSC_INVALID_REVISION_ERROR 8
321#define OSC_CAPABILITIES_MASK_ERROR 16
322
323acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
324
325/* platform-wide _OSC bits */
326#define OSC_SB_PAD_SUPPORT 1
327#define OSC_SB_PPC_OST_SUPPORT 2
328#define OSC_SB_PR3_SUPPORT 4
329#define OSC_SB_HOTPLUG_OST_SUPPORT 8
330#define OSC_SB_APEI_SUPPORT 16
331
332extern bool osc_sb_apei_support_acked;
333
334/* PCI defined _OSC bits */
335/* _OSC DW1 Definition (OS Support Fields) */
336#define OSC_EXT_PCI_CONFIG_SUPPORT 1
337#define OSC_ACTIVE_STATE_PWR_SUPPORT 2
338#define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4
339#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8
340#define OSC_MSI_SUPPORT 16
341#define OSC_PCI_SUPPORT_MASKS 0x1f
342
343/* _OSC DW1 Definition (OS Control Fields) */
344#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1
345#define OSC_SHPC_NATIVE_HP_CONTROL 2
346#define OSC_PCI_EXPRESS_PME_CONTROL 4
347#define OSC_PCI_EXPRESS_AER_CONTROL 8
348#define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16
349
350#define OSC_PCI_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \
351 OSC_SHPC_NATIVE_HP_CONTROL | \
352 OSC_PCI_EXPRESS_PME_CONTROL | \
353 OSC_PCI_EXPRESS_AER_CONTROL | \
354 OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL)
355
356#define OSC_PCI_NATIVE_HOTPLUG (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \
357 OSC_SHPC_NATIVE_HP_CONTROL)
358
359extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
360 u32 *mask, u32 req);
361
362/* Enable _OST when all relevant hotplug operations are enabled */
363#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
364 (defined(CONFIG_ACPI_HOTPLUG_MEMORY) || \
365 defined(CONFIG_ACPI_HOTPLUG_MEMORY_MODULE)) && \
366 defined(CONFIG_ACPI_CONTAINER)
367#define ACPI_HOTPLUG_OST
368#endif
369
370/* _OST Source Event Code (OSPM Action) */
371#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
372#define ACPI_OST_EC_OSPM_EJECT 0x103
373#define ACPI_OST_EC_OSPM_INSERTION 0x200
374
375/* _OST General Processing Status Code */
376#define ACPI_OST_SC_SUCCESS 0x0
377#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
378#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
379
380/* _OST OS Shutdown Processing (0x100) Status Code */
381#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
382#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
383#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
384#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
385
386/* _OST Ejection Request (0x3, 0x103) Status Code */
387#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
388#define ACPI_OST_SC_DEVICE_IN_USE 0x81
389#define ACPI_OST_SC_DEVICE_BUSY 0x82
390#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
391#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
392
393/* _OST Insertion Request (0x200) Status Code */
394#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
395#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
396#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
397
398extern void acpi_early_init(void);
399
400extern int acpi_nvs_register(__u64 start, __u64 size);
401
402extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
403 void *data);
404
405const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
406 const struct device *dev);
407
408static inline bool acpi_driver_match_device(struct device *dev,
409 const struct device_driver *drv)
410{
411 return !!acpi_match_device(drv->acpi_match_table, dev);
412}
413
414#define ACPI_PTR(_ptr) (_ptr)
415
416#else /* !CONFIG_ACPI */
417
418#define acpi_disabled 1
419
420static inline void acpi_early_init(void) { }
421
422static inline int early_acpi_boot_init(void)
423{
424 return 0;
425}
426static inline int acpi_boot_init(void)
427{
428 return 0;
429}
430
431static inline void acpi_boot_table_init(void)
432{
433 return;
434}
435
436static inline int acpi_mps_check(void)
437{
438 return 0;
439}
440
441static inline int acpi_check_resource_conflict(struct resource *res)
442{
443 return 0;
444}
445
446static inline int acpi_check_region(resource_size_t start, resource_size_t n,
447 const char *name)
448{
449 return 0;
450}
451
452struct acpi_table_header;
453static inline int acpi_table_parse(char *id,
454 int (*handler)(struct acpi_table_header *))
455{
456 return -1;
457}
458
459static inline int acpi_nvs_register(__u64 start, __u64 size)
460{
461 return 0;
462}
463
464static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
465 void *data)
466{
467 return 0;
468}
469
470struct acpi_device_id;
471
472static inline const struct acpi_device_id *acpi_match_device(
473 const struct acpi_device_id *ids, const struct device *dev)
474{
475 return NULL;
476}
477
478static inline bool acpi_driver_match_device(struct device *dev,
479 const struct device_driver *drv)
480{
481 return false;
482}
483
484#define ACPI_PTR(_ptr) (NULL)
485
486#endif /* !CONFIG_ACPI */
487
488#ifdef CONFIG_ACPI
489void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
490 u32 pm1a_ctrl, u32 pm1b_ctrl));
491
492acpi_status acpi_os_prepare_sleep(u8 sleep_state,
493 u32 pm1a_control, u32 pm1b_control);
494#ifdef CONFIG_X86
495void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
496#else
497static inline void arch_reserve_mem_area(acpi_physical_address addr,
498 size_t size)
499{
500}
501#endif /* CONFIG_X86 */
502#else
503#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
504#endif
505
506#if defined(CONFIG_ACPI) && defined(CONFIG_PM_RUNTIME)
507int acpi_dev_runtime_suspend(struct device *dev);
508int acpi_dev_runtime_resume(struct device *dev);
509int acpi_subsys_runtime_suspend(struct device *dev);
510int acpi_subsys_runtime_resume(struct device *dev);
511#else
512static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
513static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
514static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
515static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
516#endif
517
518#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
519int acpi_dev_suspend_late(struct device *dev);
520int acpi_dev_resume_early(struct device *dev);
521int acpi_subsys_prepare(struct device *dev);
522int acpi_subsys_suspend_late(struct device *dev);
523int acpi_subsys_resume_early(struct device *dev);
524#else
525static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
526static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
527static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
528static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
529static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
530#endif
531
532#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
533struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
534int acpi_dev_pm_attach(struct device *dev, bool power_on);
535void acpi_dev_pm_detach(struct device *dev, bool power_off);
536#else
537static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
538{
539 return NULL;
540}
541static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
542{
543 return -ENODEV;
544}
545static inline void acpi_dev_pm_detach(struct device *dev, bool power_off) {}
546#endif
547
548#ifdef CONFIG_ACPI
549__printf(3, 4)
550void acpi_handle_printk(const char *level, acpi_handle handle,
551 const char *fmt, ...);
552#else /* !CONFIG_ACPI */
553static inline __printf(3, 4) void
554acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
555#endif /* !CONFIG_ACPI */
556
557/*
558 * acpi_handle_<level>: Print message with ACPI prefix and object path
559 *
560 * These interfaces acquire the global namespace mutex to obtain an object
561 * path. In interrupt context, it shows the object path as <n/a>.
562 */
563#define acpi_handle_emerg(handle, fmt, ...) \
564 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
565#define acpi_handle_alert(handle, fmt, ...) \
566 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
567#define acpi_handle_crit(handle, fmt, ...) \
568 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
569#define acpi_handle_err(handle, fmt, ...) \
570 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
571#define acpi_handle_warn(handle, fmt, ...) \
572 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
573#define acpi_handle_notice(handle, fmt, ...) \
574 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
575#define acpi_handle_info(handle, fmt, ...) \
576 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
577
578/* REVISIT: Support CONFIG_DYNAMIC_DEBUG when necessary */
579#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG)
580#define acpi_handle_debug(handle, fmt, ...) \
581 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
582#else
583#define acpi_handle_debug(handle, fmt, ...) \
584({ \
585 if (0) \
586 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
587 0; \
588})
589#endif
590
591#endif /*_LINUX_ACPI_H*/