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TOMOYO Linux Cross Reference
Linux/include/linux/acpi.h

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

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