Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
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
47static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
48{
49 return adev ? adev->handle : NULL;
50}
51
52#define ACPI_COMPANION(dev) ((dev)->acpi_node.companion)
53#define ACPI_COMPANION_SET(dev, adev) ACPI_COMPANION(dev) = (adev)
54#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
55
56static inline const char *acpi_dev_name(struct acpi_device *adev)
57{
58 return dev_name(&adev->dev);
59}
60
61enum acpi_irq_model_id {
62 ACPI_IRQ_MODEL_PIC = 0,
63 ACPI_IRQ_MODEL_IOAPIC,
64 ACPI_IRQ_MODEL_IOSAPIC,
65 ACPI_IRQ_MODEL_PLATFORM,
66 ACPI_IRQ_MODEL_COUNT
67};
68
69extern enum acpi_irq_model_id acpi_irq_model;
70
71enum acpi_interrupt_id {
72 ACPI_INTERRUPT_PMI = 1,
73 ACPI_INTERRUPT_INIT,
74 ACPI_INTERRUPT_CPEI,
75 ACPI_INTERRUPT_COUNT
76};
77
78#define ACPI_SPACE_MEM 0
79
80enum acpi_address_range_id {
81 ACPI_ADDRESS_RANGE_MEMORY = 1,
82 ACPI_ADDRESS_RANGE_RESERVED = 2,
83 ACPI_ADDRESS_RANGE_ACPI = 3,
84 ACPI_ADDRESS_RANGE_NVS = 4,
85 ACPI_ADDRESS_RANGE_COUNT
86};
87
88
89/* Table Handlers */
90
91typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
92
93typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
94 const unsigned long end);
95
96#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
97void acpi_initrd_override(void *data, size_t size);
98#else
99static inline void acpi_initrd_override(void *data, size_t size)
100{
101}
102#endif
103
104char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
105void __acpi_unmap_table(char *map, unsigned long size);
106int early_acpi_boot_init(void);
107int acpi_boot_init (void);
108void acpi_boot_table_init (void);
109int acpi_mps_check (void);
110int acpi_numa_init (void);
111
112int acpi_table_init (void);
113int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
114int __init acpi_table_parse_entries(char *id, unsigned long table_size,
115 int entry_id,
116 acpi_tbl_entry_handler handler,
117 unsigned int max_entries);
118int acpi_table_parse_madt(enum acpi_madt_type id,
119 acpi_tbl_entry_handler handler,
120 unsigned int max_entries);
121int acpi_parse_mcfg (struct acpi_table_header *header);
122void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
123
124/* the following four functions are architecture-dependent */
125void acpi_numa_slit_init (struct acpi_table_slit *slit);
126void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
127void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
128int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
129void acpi_numa_arch_fixup(void);
130
131#ifdef CONFIG_ACPI_HOTPLUG_CPU
132/* Arch dependent functions for cpu hotplug support */
133int acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu);
134int acpi_unmap_lsapic(int cpu);
135#endif /* CONFIG_ACPI_HOTPLUG_CPU */
136
137int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
138int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
139void acpi_irq_stats_init(void);
140extern u32 acpi_irq_handled;
141extern u32 acpi_irq_not_handled;
142
143extern int sbf_port;
144extern unsigned long acpi_realmode_flags;
145
146int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
147int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
148int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
149
150#ifdef CONFIG_X86_IO_APIC
151extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
152#else
153#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
154#endif
155/*
156 * This function undoes the effect of one call to acpi_register_gsi().
157 * If this matches the last registration, any IRQ resources for gsi
158 * are freed.
159 */
160void acpi_unregister_gsi (u32 gsi);
161
162struct pci_dev;
163
164int acpi_pci_irq_enable (struct pci_dev *dev);
165void acpi_penalize_isa_irq(int irq, int active);
166
167void acpi_pci_irq_disable (struct pci_dev *dev);
168
169extern int ec_read(u8 addr, u8 *val);
170extern int ec_write(u8 addr, u8 val);
171extern int ec_transaction(u8 command,
172 const u8 *wdata, unsigned wdata_len,
173 u8 *rdata, unsigned rdata_len);
174extern acpi_handle ec_get_handle(void);
175
176#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
177
178typedef void (*wmi_notify_handler) (u32 value, void *context);
179
180extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
181 u32 method_id,
182 const struct acpi_buffer *in,
183 struct acpi_buffer *out);
184extern acpi_status wmi_query_block(const char *guid, u8 instance,
185 struct acpi_buffer *out);
186extern acpi_status wmi_set_block(const char *guid, u8 instance,
187 const struct acpi_buffer *in);
188extern acpi_status wmi_install_notify_handler(const char *guid,
189 wmi_notify_handler handler, void *data);
190extern acpi_status wmi_remove_notify_handler(const char *guid);
191extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
192extern bool wmi_has_guid(const char *guid);
193
194#endif /* CONFIG_ACPI_WMI */
195
196#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
197#define ACPI_VIDEO_DEVICE_POSTING 0x0002
198#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
199#define ACPI_VIDEO_BACKLIGHT 0x0008
200#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
201#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
202#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
203#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
204#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
205#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
206#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
207#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
208
209#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
210
211extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
212extern long acpi_is_video_device(acpi_handle handle);
213extern void acpi_video_dmi_promote_vendor(void);
214extern void acpi_video_dmi_demote_vendor(void);
215extern int acpi_video_backlight_support(void);
216extern int acpi_video_display_switch_support(void);
217
218#else
219
220static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
221{
222 return 0;
223}
224
225static inline long acpi_is_video_device(acpi_handle handle)
226{
227 return 0;
228}
229
230static inline void acpi_video_dmi_promote_vendor(void)
231{
232}
233
234static inline void acpi_video_dmi_demote_vendor(void)
235{
236}
237
238static inline int acpi_video_backlight_support(void)
239{
240 return 0;
241}
242
243static inline int acpi_video_display_switch_support(void)
244{
245 return 0;
246}
247
248#endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
249
250extern int acpi_blacklisted(void);
251extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
252extern void acpi_osi_setup(char *str);
253
254#ifdef CONFIG_ACPI_NUMA
255int acpi_get_pxm(acpi_handle handle);
256int acpi_get_node(acpi_handle *handle);
257#else
258static inline int acpi_get_pxm(acpi_handle handle)
259{
260 return 0;
261}
262static inline int acpi_get_node(acpi_handle *handle)
263{
264 return 0;
265}
266#endif
267extern int acpi_paddr_to_node(u64 start_addr, u64 size);
268
269extern int pnpacpi_disabled;
270
271#define PXM_INVAL (-1)
272
273bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
274bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
275bool acpi_dev_resource_address_space(struct acpi_resource *ares,
276 struct resource *res);
277bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
278 struct resource *res);
279unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
280bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
281 struct resource *res);
282
283struct resource_list_entry {
284 struct list_head node;
285 struct resource res;
286};
287
288void acpi_dev_free_resource_list(struct list_head *list);
289int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
290 int (*preproc)(struct acpi_resource *, void *),
291 void *preproc_data);
292
293int acpi_check_resource_conflict(const struct resource *res);
294
295int acpi_check_region(resource_size_t start, resource_size_t n,
296 const char *name);
297
298int acpi_resources_are_enforced(void);
299
300#ifdef CONFIG_HIBERNATION
301void __init acpi_no_s4_hw_signature(void);
302#endif
303
304#ifdef CONFIG_PM_SLEEP
305void __init acpi_old_suspend_ordering(void);
306void __init acpi_nvs_nosave(void);
307void __init acpi_nvs_nosave_s3(void);
308#endif /* CONFIG_PM_SLEEP */
309
310struct acpi_osc_context {
311 char *uuid_str; /* UUID string */
312 int rev;
313 struct acpi_buffer cap; /* list of DWORD capabilities */
314 struct acpi_buffer ret; /* free by caller if success */
315};
316
317acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
318acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
319
320/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
321#define OSC_QUERY_DWORD 0 /* DWORD 1 */
322#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
323#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
324
325/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
326#define OSC_QUERY_ENABLE 0x00000001 /* input */
327#define OSC_REQUEST_ERROR 0x00000002 /* return */
328#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
329#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
330#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
331
332/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
333#define OSC_SB_PAD_SUPPORT 0x00000001
334#define OSC_SB_PPC_OST_SUPPORT 0x00000002
335#define OSC_SB_PR3_SUPPORT 0x00000004
336#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
337#define OSC_SB_APEI_SUPPORT 0x00000010
338#define OSC_SB_CPC_SUPPORT 0x00000020
339
340extern bool osc_sb_apei_support_acked;
341
342/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
343#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
344#define OSC_PCI_ASPM_SUPPORT 0x00000002
345#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
346#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
347#define OSC_PCI_MSI_SUPPORT 0x00000010
348#define OSC_PCI_SUPPORT_MASKS 0x0000001f
349
350/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
351#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
352#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
353#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
354#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
355#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
356#define OSC_PCI_CONTROL_MASKS 0x0000001f
357
358extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
359 u32 *mask, u32 req);
360
361/* Enable _OST when all relevant hotplug operations are enabled */
362#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
363 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
364 defined(CONFIG_ACPI_CONTAINER)
365#define ACPI_HOTPLUG_OST
366#endif
367
368/* _OST Source Event Code (OSPM Action) */
369#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
370#define ACPI_OST_EC_OSPM_EJECT 0x103
371#define ACPI_OST_EC_OSPM_INSERTION 0x200
372
373/* _OST General Processing Status Code */
374#define ACPI_OST_SC_SUCCESS 0x0
375#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
376#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
377
378/* _OST OS Shutdown Processing (0x100) Status Code */
379#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
380#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
381#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
382#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
383
384/* _OST Ejection Request (0x3, 0x103) Status Code */
385#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
386#define ACPI_OST_SC_DEVICE_IN_USE 0x81
387#define ACPI_OST_SC_DEVICE_BUSY 0x82
388#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
389#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
390
391/* _OST Insertion Request (0x200) Status Code */
392#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
393#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
394#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
395
396extern void acpi_early_init(void);
397
398extern int acpi_nvs_register(__u64 start, __u64 size);
399
400extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
401 void *data);
402
403const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
404 const struct device *dev);
405
406static inline bool acpi_driver_match_device(struct device *dev,
407 const struct device_driver *drv)
408{
409 return !!acpi_match_device(drv->acpi_match_table, dev);
410}
411
412#define ACPI_PTR(_ptr) (_ptr)
413
414#else /* !CONFIG_ACPI */
415
416#define acpi_disabled 1
417
418#define ACPI_COMPANION(dev) (NULL)
419#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
420#define ACPI_HANDLE(dev) (NULL)
421
422static inline const char *acpi_dev_name(struct acpi_device *adev)
423{
424 return NULL;
425}
426
427static inline void acpi_early_init(void) { }
428
429static inline int early_acpi_boot_init(void)
430{
431 return 0;
432}
433static inline int acpi_boot_init(void)
434{
435 return 0;
436}
437
438static inline void acpi_boot_table_init(void)
439{
440 return;
441}
442
443static inline int acpi_mps_check(void)
444{
445 return 0;
446}
447
448static inline int acpi_check_resource_conflict(struct resource *res)
449{
450 return 0;
451}
452
453static inline int acpi_check_region(resource_size_t start, resource_size_t n,
454 const char *name)
455{
456 return 0;
457}
458
459struct acpi_table_header;
460static inline int acpi_table_parse(char *id,
461 int (*handler)(struct acpi_table_header *))
462{
463 return -1;
464}
465
466static inline int acpi_nvs_register(__u64 start, __u64 size)
467{
468 return 0;
469}
470
471static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
472 void *data)
473{
474 return 0;
475}
476
477struct acpi_device_id;
478
479static inline const struct acpi_device_id *acpi_match_device(
480 const struct acpi_device_id *ids, const struct device *dev)
481{
482 return NULL;
483}
484
485static inline bool acpi_driver_match_device(struct device *dev,
486 const struct device_driver *drv)
487{
488 return false;
489}
490
491#define ACPI_PTR(_ptr) (NULL)
492
493#endif /* !CONFIG_ACPI */
494
495#ifdef CONFIG_ACPI
496void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
497 u32 pm1a_ctrl, u32 pm1b_ctrl));
498
499acpi_status acpi_os_prepare_sleep(u8 sleep_state,
500 u32 pm1a_control, u32 pm1b_control);
501
502void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
503 u32 val_a, u32 val_b));
504
505acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
506 u32 val_a, u32 val_b);
507
508#ifdef CONFIG_X86
509void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
510#else
511static inline void arch_reserve_mem_area(acpi_physical_address addr,
512 size_t size)
513{
514}
515#endif /* CONFIG_X86 */
516#else
517#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
518#endif
519
520#if defined(CONFIG_ACPI) && defined(CONFIG_PM_RUNTIME)
521int acpi_dev_runtime_suspend(struct device *dev);
522int acpi_dev_runtime_resume(struct device *dev);
523int acpi_subsys_runtime_suspend(struct device *dev);
524int acpi_subsys_runtime_resume(struct device *dev);
525#else
526static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
527static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
528static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
529static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
530#endif
531
532#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
533int acpi_dev_suspend_late(struct device *dev);
534int acpi_dev_resume_early(struct device *dev);
535int acpi_subsys_prepare(struct device *dev);
536int acpi_subsys_suspend_late(struct device *dev);
537int acpi_subsys_resume_early(struct device *dev);
538#else
539static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
540static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
541static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
542static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
543static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
544#endif
545
546#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
547struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
548int acpi_dev_pm_attach(struct device *dev, bool power_on);
549void acpi_dev_pm_detach(struct device *dev, bool power_off);
550#else
551static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
552{
553 return NULL;
554}
555static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
556{
557 return -ENODEV;
558}
559static inline void acpi_dev_pm_detach(struct device *dev, bool power_off) {}
560#endif
561
562#ifdef CONFIG_ACPI
563__printf(3, 4)
564void acpi_handle_printk(const char *level, acpi_handle handle,
565 const char *fmt, ...);
566#else /* !CONFIG_ACPI */
567static inline __printf(3, 4) void
568acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
569#endif /* !CONFIG_ACPI */
570
571/*
572 * acpi_handle_<level>: Print message with ACPI prefix and object path
573 *
574 * These interfaces acquire the global namespace mutex to obtain an object
575 * path. In interrupt context, it shows the object path as <n/a>.
576 */
577#define acpi_handle_emerg(handle, fmt, ...) \
578 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
579#define acpi_handle_alert(handle, fmt, ...) \
580 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
581#define acpi_handle_crit(handle, fmt, ...) \
582 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
583#define acpi_handle_err(handle, fmt, ...) \
584 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
585#define acpi_handle_warn(handle, fmt, ...) \
586 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
587#define acpi_handle_notice(handle, fmt, ...) \
588 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
589#define acpi_handle_info(handle, fmt, ...) \
590 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
591
592/* REVISIT: Support CONFIG_DYNAMIC_DEBUG when necessary */
593#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG)
594#define acpi_handle_debug(handle, fmt, ...) \
595 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
596#else
597#define acpi_handle_debug(handle, fmt, ...) \
598({ \
599 if (0) \
600 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
601 0; \
602})
603#endif
604
605#endif /*_LINUX_ACPI_H*/