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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  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 19  */
 20 
 21 #ifndef _LINUX_ACPI_H
 22 #define _LINUX_ACPI_H
 23 
 24 #include <linux/errno.h>
 25 #include <linux/ioport.h>       /* for struct resource */
 26 #include <linux/resource_ext.h>
 27 #include <linux/device.h>
 28 #include <linux/property.h>
 29 #include <linux/uuid.h>
 30 
 31 #ifndef _LINUX
 32 #define _LINUX
 33 #endif
 34 #include <acpi/acpi.h>
 35 
 36 #ifdef  CONFIG_ACPI
 37 
 38 #include <linux/list.h>
 39 #include <linux/mod_devicetable.h>
 40 #include <linux/dynamic_debug.h>
 41 #include <linux/module.h>
 42 #include <linux/mutex.h>
 43 
 44 #include <acpi/acpi_bus.h>
 45 #include <acpi/acpi_drivers.h>
 46 #include <acpi/acpi_numa.h>
 47 #include <acpi/acpi_io.h>
 48 #include <asm/acpi.h>
 49 
 50 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
 51 {
 52         return adev ? adev->handle : NULL;
 53 }
 54 
 55 #define ACPI_COMPANION(dev)             to_acpi_device_node((dev)->fwnode)
 56 #define ACPI_COMPANION_SET(dev, adev)   set_primary_fwnode(dev, (adev) ? \
 57         acpi_fwnode_handle(adev) : NULL)
 58 #define ACPI_HANDLE(dev)                acpi_device_handle(ACPI_COMPANION(dev))
 59 #define ACPI_HANDLE_FWNODE(fwnode)      \
 60                                 acpi_device_handle(to_acpi_device_node(fwnode))
 61 
 62 static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
 63 {
 64         struct fwnode_handle *fwnode;
 65 
 66         fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
 67         if (!fwnode)
 68                 return NULL;
 69 
 70         fwnode->ops = &acpi_static_fwnode_ops;
 71 
 72         return fwnode;
 73 }
 74 
 75 static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
 76 {
 77         if (WARN_ON(!is_acpi_static_node(fwnode)))
 78                 return;
 79 
 80         kfree(fwnode);
 81 }
 82 
 83 /**
 84  * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
 85  * the PCI-defined class-code information
 86  *
 87  * @_cls : the class, subclass, prog-if triple for this device
 88  * @_msk : the class mask for this device
 89  *
 90  * This macro is used to create a struct acpi_device_id that matches a
 91  * specific PCI class. The .id and .driver_data fields will be left
 92  * initialized with the default value.
 93  */
 94 #define ACPI_DEVICE_CLASS(_cls, _msk)   .cls = (_cls), .cls_msk = (_msk),
 95 
 96 static inline bool has_acpi_companion(struct device *dev)
 97 {
 98         return is_acpi_device_node(dev->fwnode);
 99 }
100 
101 static inline void acpi_preset_companion(struct device *dev,
102                                          struct acpi_device *parent, u64 addr)
103 {
104         ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
105 }
106 
107 static inline const char *acpi_dev_name(struct acpi_device *adev)
108 {
109         return dev_name(&adev->dev);
110 }
111 
112 struct device *acpi_get_first_physical_node(struct acpi_device *adev);
113 
114 enum acpi_irq_model_id {
115         ACPI_IRQ_MODEL_PIC = 0,
116         ACPI_IRQ_MODEL_IOAPIC,
117         ACPI_IRQ_MODEL_IOSAPIC,
118         ACPI_IRQ_MODEL_PLATFORM,
119         ACPI_IRQ_MODEL_GIC,
120         ACPI_IRQ_MODEL_COUNT
121 };
122 
123 extern enum acpi_irq_model_id   acpi_irq_model;
124 
125 enum acpi_interrupt_id {
126         ACPI_INTERRUPT_PMI      = 1,
127         ACPI_INTERRUPT_INIT,
128         ACPI_INTERRUPT_CPEI,
129         ACPI_INTERRUPT_COUNT
130 };
131 
132 #define ACPI_SPACE_MEM          0
133 
134 enum acpi_address_range_id {
135         ACPI_ADDRESS_RANGE_MEMORY = 1,
136         ACPI_ADDRESS_RANGE_RESERVED = 2,
137         ACPI_ADDRESS_RANGE_ACPI = 3,
138         ACPI_ADDRESS_RANGE_NVS  = 4,
139         ACPI_ADDRESS_RANGE_COUNT
140 };
141 
142 
143 /* Table Handlers */
144 
145 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
146 
147 typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
148                                       const unsigned long end);
149 
150 /* Debugger support */
151 
152 struct acpi_debugger_ops {
153         int (*create_thread)(acpi_osd_exec_callback function, void *context);
154         ssize_t (*write_log)(const char *msg);
155         ssize_t (*read_cmd)(char *buffer, size_t length);
156         int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
157         int (*notify_command_complete)(void);
158 };
159 
160 struct acpi_debugger {
161         const struct acpi_debugger_ops *ops;
162         struct module *owner;
163         struct mutex lock;
164 };
165 
166 #ifdef CONFIG_ACPI_DEBUGGER
167 int __init acpi_debugger_init(void);
168 int acpi_register_debugger(struct module *owner,
169                            const struct acpi_debugger_ops *ops);
170 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
171 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
172 ssize_t acpi_debugger_write_log(const char *msg);
173 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
174 int acpi_debugger_wait_command_ready(void);
175 int acpi_debugger_notify_command_complete(void);
176 #else
177 static inline int acpi_debugger_init(void)
178 {
179         return -ENODEV;
180 }
181 
182 static inline int acpi_register_debugger(struct module *owner,
183                                          const struct acpi_debugger_ops *ops)
184 {
185         return -ENODEV;
186 }
187 
188 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
189 {
190 }
191 
192 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
193                                               void *context)
194 {
195         return -ENODEV;
196 }
197 
198 static inline int acpi_debugger_write_log(const char *msg)
199 {
200         return -ENODEV;
201 }
202 
203 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
204 {
205         return -ENODEV;
206 }
207 
208 static inline int acpi_debugger_wait_command_ready(void)
209 {
210         return -ENODEV;
211 }
212 
213 static inline int acpi_debugger_notify_command_complete(void)
214 {
215         return -ENODEV;
216 }
217 #endif
218 
219 #define BAD_MADT_ENTRY(entry, end) (                                        \
220                 (!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
221                 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
222 
223 struct acpi_subtable_proc {
224         int id;
225         acpi_tbl_entry_handler handler;
226         int count;
227 };
228 
229 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
230 void __acpi_unmap_table(void __iomem *map, unsigned long size);
231 int early_acpi_boot_init(void);
232 int acpi_boot_init (void);
233 void acpi_boot_table_init (void);
234 int acpi_mps_check (void);
235 int acpi_numa_init (void);
236 
237 int acpi_table_init (void);
238 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
239 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
240                               int entry_id,
241                               acpi_tbl_entry_handler handler,
242                               unsigned int max_entries);
243 int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
244                               struct acpi_subtable_proc *proc, int proc_num,
245                               unsigned int max_entries);
246 int acpi_table_parse_madt(enum acpi_madt_type id,
247                           acpi_tbl_entry_handler handler,
248                           unsigned int max_entries);
249 int acpi_parse_mcfg (struct acpi_table_header *header);
250 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
251 
252 /* the following numa functions are architecture-dependent */
253 void acpi_numa_slit_init (struct acpi_table_slit *slit);
254 
255 #if defined(CONFIG_X86) || defined(CONFIG_IA64)
256 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
257 #else
258 static inline void
259 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
260 #endif
261 
262 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
263 
264 #ifdef CONFIG_ARM64
265 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
266 #else
267 static inline void
268 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
269 #endif
270 
271 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
272 
273 #ifndef PHYS_CPUID_INVALID
274 typedef u32 phys_cpuid_t;
275 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
276 #endif
277 
278 static inline bool invalid_logical_cpuid(u32 cpuid)
279 {
280         return (int)cpuid < 0;
281 }
282 
283 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
284 {
285         return phys_id == PHYS_CPUID_INVALID;
286 }
287 
288 /* Validate the processor object's proc_id */
289 bool acpi_duplicate_processor_id(int proc_id);
290 
291 #ifdef CONFIG_ACPI_HOTPLUG_CPU
292 /* Arch dependent functions for cpu hotplug support */
293 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
294                  int *pcpu);
295 int acpi_unmap_cpu(int cpu);
296 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
297 
298 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
299 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
300 #endif
301 
302 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
303 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
304 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
305 void acpi_irq_stats_init(void);
306 extern u32 acpi_irq_handled;
307 extern u32 acpi_irq_not_handled;
308 extern unsigned int acpi_sci_irq;
309 extern bool acpi_no_s5;
310 #define INVALID_ACPI_IRQ        ((unsigned)-1)
311 static inline bool acpi_sci_irq_valid(void)
312 {
313         return acpi_sci_irq != INVALID_ACPI_IRQ;
314 }
315 
316 extern int sbf_port;
317 extern unsigned long acpi_realmode_flags;
318 
319 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
320 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
321 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
322 
323 void acpi_set_irq_model(enum acpi_irq_model_id model,
324                         struct fwnode_handle *fwnode);
325 
326 #ifdef CONFIG_X86_IO_APIC
327 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
328 #else
329 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
330 #endif
331 /*
332  * This function undoes the effect of one call to acpi_register_gsi().
333  * If this matches the last registration, any IRQ resources for gsi
334  * are freed.
335  */
336 void acpi_unregister_gsi (u32 gsi);
337 
338 struct pci_dev;
339 
340 int acpi_pci_irq_enable (struct pci_dev *dev);
341 void acpi_penalize_isa_irq(int irq, int active);
342 bool acpi_isa_irq_available(int irq);
343 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
344 void acpi_pci_irq_disable (struct pci_dev *dev);
345 
346 extern int ec_read(u8 addr, u8 *val);
347 extern int ec_write(u8 addr, u8 val);
348 extern int ec_transaction(u8 command,
349                           const u8 *wdata, unsigned wdata_len,
350                           u8 *rdata, unsigned rdata_len);
351 extern acpi_handle ec_get_handle(void);
352 
353 extern bool acpi_is_pnp_device(struct acpi_device *);
354 
355 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
356 
357 typedef void (*wmi_notify_handler) (u32 value, void *context);
358 
359 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
360                                         u32 method_id,
361                                         const struct acpi_buffer *in,
362                                         struct acpi_buffer *out);
363 extern acpi_status wmi_query_block(const char *guid, u8 instance,
364                                         struct acpi_buffer *out);
365 extern acpi_status wmi_set_block(const char *guid, u8 instance,
366                                         const struct acpi_buffer *in);
367 extern acpi_status wmi_install_notify_handler(const char *guid,
368                                         wmi_notify_handler handler, void *data);
369 extern acpi_status wmi_remove_notify_handler(const char *guid);
370 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
371 extern bool wmi_has_guid(const char *guid);
372 
373 #endif  /* CONFIG_ACPI_WMI */
374 
375 #define ACPI_VIDEO_OUTPUT_SWITCHING                     0x0001
376 #define ACPI_VIDEO_DEVICE_POSTING                       0x0002
377 #define ACPI_VIDEO_ROM_AVAILABLE                        0x0004
378 #define ACPI_VIDEO_BACKLIGHT                            0x0008
379 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR               0x0010
380 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO                0x0020
381 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR        0x0040
382 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO         0x0080
383 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR                 0x0100
384 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO                  0x0200
385 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR          0x0400
386 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO           0x0800
387 
388 extern char acpi_video_backlight_string[];
389 extern long acpi_is_video_device(acpi_handle handle);
390 extern int acpi_blacklisted(void);
391 extern void acpi_osi_setup(char *str);
392 extern bool acpi_osi_is_win8(void);
393 
394 #ifdef CONFIG_ACPI_NUMA
395 int acpi_map_pxm_to_online_node(int pxm);
396 int acpi_get_node(acpi_handle handle);
397 #else
398 static inline int acpi_map_pxm_to_online_node(int pxm)
399 {
400         return 0;
401 }
402 static inline int acpi_get_node(acpi_handle handle)
403 {
404         return 0;
405 }
406 #endif
407 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
408 
409 extern int pnpacpi_disabled;
410 
411 #define PXM_INVAL       (-1)
412 
413 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
414 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
415 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
416                                      struct resource_win *win);
417 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
418                                          struct resource_win *win);
419 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
420 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
421 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
422                                  struct resource *res);
423 
424 void acpi_dev_free_resource_list(struct list_head *list);
425 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
426                            int (*preproc)(struct acpi_resource *, void *),
427                            void *preproc_data);
428 int acpi_dev_get_dma_resources(struct acpi_device *adev,
429                                struct list_head *list);
430 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
431                                   unsigned long types);
432 
433 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
434                                                    void *arg)
435 {
436         return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
437 }
438 
439 struct acpi_device *acpi_resource_consumer(struct resource *res);
440 
441 int acpi_check_resource_conflict(const struct resource *res);
442 
443 int acpi_check_region(resource_size_t start, resource_size_t n,
444                       const char *name);
445 
446 acpi_status acpi_release_memory(acpi_handle handle, struct resource *res,
447                                 u32 level);
448 
449 int acpi_resources_are_enforced(void);
450 
451 #ifdef CONFIG_HIBERNATION
452 void __init acpi_no_s4_hw_signature(void);
453 #endif
454 
455 #ifdef CONFIG_PM_SLEEP
456 void __init acpi_old_suspend_ordering(void);
457 void __init acpi_nvs_nosave(void);
458 void __init acpi_nvs_nosave_s3(void);
459 void __init acpi_sleep_no_blacklist(void);
460 #endif /* CONFIG_PM_SLEEP */
461 
462 struct acpi_osc_context {
463         char *uuid_str;                 /* UUID string */
464         int rev;
465         struct acpi_buffer cap;         /* list of DWORD capabilities */
466         struct acpi_buffer ret;         /* free by caller if success */
467 };
468 
469 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
470 
471 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
472 #define OSC_QUERY_DWORD                         0       /* DWORD 1 */
473 #define OSC_SUPPORT_DWORD                       1       /* DWORD 2 */
474 #define OSC_CONTROL_DWORD                       2       /* DWORD 3 */
475 
476 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
477 #define OSC_QUERY_ENABLE                        0x00000001  /* input */
478 #define OSC_REQUEST_ERROR                       0x00000002  /* return */
479 #define OSC_INVALID_UUID_ERROR                  0x00000004  /* return */
480 #define OSC_INVALID_REVISION_ERROR              0x00000008  /* return */
481 #define OSC_CAPABILITIES_MASK_ERROR             0x00000010  /* return */
482 
483 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
484 #define OSC_SB_PAD_SUPPORT                      0x00000001
485 #define OSC_SB_PPC_OST_SUPPORT                  0x00000002
486 #define OSC_SB_PR3_SUPPORT                      0x00000004
487 #define OSC_SB_HOTPLUG_OST_SUPPORT              0x00000008
488 #define OSC_SB_APEI_SUPPORT                     0x00000010
489 #define OSC_SB_CPC_SUPPORT                      0x00000020
490 #define OSC_SB_CPCV2_SUPPORT                    0x00000040
491 #define OSC_SB_PCLPI_SUPPORT                    0x00000080
492 #define OSC_SB_OSLPI_SUPPORT                    0x00000100
493 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT         0x00001000
494 
495 extern bool osc_sb_apei_support_acked;
496 extern bool osc_pc_lpi_support_confirmed;
497 
498 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
499 #define OSC_PCI_EXT_CONFIG_SUPPORT              0x00000001
500 #define OSC_PCI_ASPM_SUPPORT                    0x00000002
501 #define OSC_PCI_CLOCK_PM_SUPPORT                0x00000004
502 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT          0x00000008
503 #define OSC_PCI_MSI_SUPPORT                     0x00000010
504 #define OSC_PCI_SUPPORT_MASKS                   0x0000001f
505 
506 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
507 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL       0x00000001
508 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL          0x00000002
509 #define OSC_PCI_EXPRESS_PME_CONTROL             0x00000004
510 #define OSC_PCI_EXPRESS_AER_CONTROL             0x00000008
511 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL      0x00000010
512 #define OSC_PCI_EXPRESS_LTR_CONTROL             0x00000020
513 #define OSC_PCI_CONTROL_MASKS                   0x0000003f
514 
515 #define ACPI_GSB_ACCESS_ATTRIB_QUICK            0x00000002
516 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV         0x00000004
517 #define ACPI_GSB_ACCESS_ATTRIB_BYTE             0x00000006
518 #define ACPI_GSB_ACCESS_ATTRIB_WORD             0x00000008
519 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK            0x0000000A
520 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE        0x0000000B
521 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL        0x0000000C
522 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL       0x0000000D
523 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES        0x0000000E
524 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS      0x0000000F
525 
526 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
527                                              u32 *mask, u32 req);
528 
529 /* Enable _OST when all relevant hotplug operations are enabled */
530 #if defined(CONFIG_ACPI_HOTPLUG_CPU) &&                 \
531         defined(CONFIG_ACPI_HOTPLUG_MEMORY) &&          \
532         defined(CONFIG_ACPI_CONTAINER)
533 #define ACPI_HOTPLUG_OST
534 #endif
535 
536 /* _OST Source Event Code (OSPM Action) */
537 #define ACPI_OST_EC_OSPM_SHUTDOWN               0x100
538 #define ACPI_OST_EC_OSPM_EJECT                  0x103
539 #define ACPI_OST_EC_OSPM_INSERTION              0x200
540 
541 /* _OST General Processing Status Code */
542 #define ACPI_OST_SC_SUCCESS                     0x0
543 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE        0x1
544 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY         0x2
545 
546 /* _OST OS Shutdown Processing (0x100) Status Code */
547 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED          0x80
548 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS     0x81
549 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED       0x82
550 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED   0x83
551 
552 /* _OST Ejection Request (0x3, 0x103) Status Code */
553 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED         0x80
554 #define ACPI_OST_SC_DEVICE_IN_USE               0x81
555 #define ACPI_OST_SC_DEVICE_BUSY                 0x82
556 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY       0x83
557 #define ACPI_OST_SC_EJECT_IN_PROGRESS           0x84
558 
559 /* _OST Insertion Request (0x200) Status Code */
560 #define ACPI_OST_SC_INSERT_IN_PROGRESS          0x80
561 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE         0x81
562 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED        0x82
563 
564 enum acpi_predicate {
565         all_versions,
566         less_than_or_equal,
567         equal,
568         greater_than_or_equal,
569 };
570 
571 /* Table must be terminted by a NULL entry */
572 struct acpi_platform_list {
573         char    oem_id[ACPI_OEM_ID_SIZE+1];
574         char    oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
575         u32     oem_revision;
576         char    *table;
577         enum acpi_predicate pred;
578         char    *reason;
579         u32     data;
580 };
581 int acpi_match_platform_list(const struct acpi_platform_list *plat);
582 
583 extern void acpi_early_init(void);
584 extern void acpi_subsystem_init(void);
585 extern void arch_post_acpi_subsys_init(void);
586 
587 extern int acpi_nvs_register(__u64 start, __u64 size);
588 
589 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
590                                     void *data);
591 
592 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
593                                                const struct device *dev);
594 
595 const void *acpi_device_get_match_data(const struct device *dev);
596 extern bool acpi_driver_match_device(struct device *dev,
597                                      const struct device_driver *drv);
598 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
599 int acpi_device_modalias(struct device *, char *, int);
600 void acpi_walk_dep_device_list(acpi_handle handle);
601 
602 struct platform_device *acpi_create_platform_device(struct acpi_device *,
603                                                     struct property_entry *);
604 #define ACPI_PTR(_ptr)  (_ptr)
605 
606 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
607 {
608         adev->flags.visited = true;
609 }
610 
611 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
612 {
613         adev->flags.visited = false;
614 }
615 
616 enum acpi_reconfig_event  {
617         ACPI_RECONFIG_DEVICE_ADD = 0,
618         ACPI_RECONFIG_DEVICE_REMOVE,
619 };
620 
621 int acpi_reconfig_notifier_register(struct notifier_block *nb);
622 int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
623 
624 #ifdef CONFIG_ACPI_GTDT
625 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
626 int acpi_gtdt_map_ppi(int type);
627 bool acpi_gtdt_c3stop(int type);
628 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
629 #endif
630 
631 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
632 static inline u64 acpi_arch_get_root_pointer(void)
633 {
634         return 0;
635 }
636 #endif
637 
638 #else   /* !CONFIG_ACPI */
639 
640 #define acpi_disabled 1
641 
642 #define ACPI_COMPANION(dev)             (NULL)
643 #define ACPI_COMPANION_SET(dev, adev)   do { } while (0)
644 #define ACPI_HANDLE(dev)                (NULL)
645 #define ACPI_HANDLE_FWNODE(fwnode)      (NULL)
646 #define ACPI_DEVICE_CLASS(_cls, _msk)   .cls = (0), .cls_msk = (0),
647 
648 struct fwnode_handle;
649 
650 static inline bool acpi_dev_found(const char *hid)
651 {
652         return false;
653 }
654 
655 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
656 {
657         return false;
658 }
659 
660 static inline const char *
661 acpi_dev_get_first_match_name(const char *hid, const char *uid, s64 hrv)
662 {
663         return NULL;
664 }
665 
666 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
667 {
668         return false;
669 }
670 
671 static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
672 {
673         return false;
674 }
675 
676 static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
677 {
678         return NULL;
679 }
680 
681 static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
682 {
683         return false;
684 }
685 
686 static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
687 {
688         return NULL;
689 }
690 
691 static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
692                                         const char *name)
693 {
694         return false;
695 }
696 
697 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
698 {
699         return NULL;
700 }
701 
702 static inline bool has_acpi_companion(struct device *dev)
703 {
704         return false;
705 }
706 
707 static inline void acpi_preset_companion(struct device *dev,
708                                          struct acpi_device *parent, u64 addr)
709 {
710 }
711 
712 static inline const char *acpi_dev_name(struct acpi_device *adev)
713 {
714         return NULL;
715 }
716 
717 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
718 {
719         return NULL;
720 }
721 
722 static inline void acpi_early_init(void) { }
723 static inline void acpi_subsystem_init(void) { }
724 
725 static inline int early_acpi_boot_init(void)
726 {
727         return 0;
728 }
729 static inline int acpi_boot_init(void)
730 {
731         return 0;
732 }
733 
734 static inline void acpi_boot_table_init(void)
735 {
736         return;
737 }
738 
739 static inline int acpi_mps_check(void)
740 {
741         return 0;
742 }
743 
744 static inline int acpi_check_resource_conflict(struct resource *res)
745 {
746         return 0;
747 }
748 
749 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
750                                     const char *name)
751 {
752         return 0;
753 }
754 
755 struct acpi_table_header;
756 static inline int acpi_table_parse(char *id,
757                                 int (*handler)(struct acpi_table_header *))
758 {
759         return -ENODEV;
760 }
761 
762 static inline int acpi_nvs_register(__u64 start, __u64 size)
763 {
764         return 0;
765 }
766 
767 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
768                                            void *data)
769 {
770         return 0;
771 }
772 
773 struct acpi_device_id;
774 
775 static inline const struct acpi_device_id *acpi_match_device(
776         const struct acpi_device_id *ids, const struct device *dev)
777 {
778         return NULL;
779 }
780 
781 static inline const void *acpi_device_get_match_data(const struct device *dev)
782 {
783         return NULL;
784 }
785 
786 static inline bool acpi_driver_match_device(struct device *dev,
787                                             const struct device_driver *drv)
788 {
789         return false;
790 }
791 
792 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
793                                                    const guid_t *guid,
794                                                    int rev, int func,
795                                                    union acpi_object *argv4)
796 {
797         return NULL;
798 }
799 
800 static inline int acpi_device_uevent_modalias(struct device *dev,
801                                 struct kobj_uevent_env *env)
802 {
803         return -ENODEV;
804 }
805 
806 static inline int acpi_device_modalias(struct device *dev,
807                                 char *buf, int size)
808 {
809         return -ENODEV;
810 }
811 
812 static inline bool acpi_dma_supported(struct acpi_device *adev)
813 {
814         return false;
815 }
816 
817 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
818 {
819         return DEV_DMA_NOT_SUPPORTED;
820 }
821 
822 static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr,
823                                      u64 *offset, u64 *size)
824 {
825         return -ENODEV;
826 }
827 
828 static inline int acpi_dma_configure(struct device *dev,
829                                      enum dev_dma_attr attr)
830 {
831         return 0;
832 }
833 
834 #define ACPI_PTR(_ptr)  (NULL)
835 
836 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
837 {
838 }
839 
840 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
841 {
842 }
843 
844 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
845 {
846         return -EINVAL;
847 }
848 
849 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
850 {
851         return -EINVAL;
852 }
853 
854 static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
855 {
856         return NULL;
857 }
858 
859 #endif  /* !CONFIG_ACPI */
860 
861 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
862 int acpi_ioapic_add(acpi_handle root);
863 #else
864 static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
865 #endif
866 
867 #ifdef CONFIG_ACPI
868 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
869                                u32 pm1a_ctrl,  u32 pm1b_ctrl));
870 
871 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
872                                   u32 pm1a_control, u32 pm1b_control);
873 
874 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
875                                         u32 val_a,  u32 val_b));
876 
877 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
878                                            u32 val_a, u32 val_b);
879 
880 #ifdef CONFIG_X86
881 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
882 #else
883 static inline void arch_reserve_mem_area(acpi_physical_address addr,
884                                           size_t size)
885 {
886 }
887 #endif /* CONFIG_X86 */
888 #else
889 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
890 #endif
891 
892 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
893 int acpi_dev_suspend(struct device *dev, bool wakeup);
894 int acpi_dev_resume(struct device *dev);
895 int acpi_subsys_runtime_suspend(struct device *dev);
896 int acpi_subsys_runtime_resume(struct device *dev);
897 int acpi_dev_pm_attach(struct device *dev, bool power_on);
898 #else
899 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
900 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
901 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
902 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
903 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
904 {
905         return 0;
906 }
907 #endif
908 
909 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
910 int acpi_dev_suspend_late(struct device *dev);
911 int acpi_subsys_prepare(struct device *dev);
912 void acpi_subsys_complete(struct device *dev);
913 int acpi_subsys_suspend_late(struct device *dev);
914 int acpi_subsys_suspend_noirq(struct device *dev);
915 int acpi_subsys_resume_noirq(struct device *dev);
916 int acpi_subsys_resume_early(struct device *dev);
917 int acpi_subsys_suspend(struct device *dev);
918 int acpi_subsys_freeze(struct device *dev);
919 int acpi_subsys_freeze_late(struct device *dev);
920 int acpi_subsys_freeze_noirq(struct device *dev);
921 int acpi_subsys_thaw_noirq(struct device *dev);
922 #else
923 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
924 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
925 static inline void acpi_subsys_complete(struct device *dev) {}
926 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
927 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
928 static inline int acpi_subsys_resume_noirq(struct device *dev) { return 0; }
929 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
930 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
931 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
932 static inline int acpi_subsys_freeze_late(struct device *dev) { return 0; }
933 static inline int acpi_subsys_freeze_noirq(struct device *dev) { return 0; }
934 static inline int acpi_subsys_thaw_noirq(struct device *dev) { return 0; }
935 #endif
936 
937 #ifdef CONFIG_ACPI
938 __printf(3, 4)
939 void acpi_handle_printk(const char *level, acpi_handle handle,
940                         const char *fmt, ...);
941 #else   /* !CONFIG_ACPI */
942 static inline __printf(3, 4) void
943 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
944 #endif  /* !CONFIG_ACPI */
945 
946 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
947 __printf(3, 4)
948 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
949 #else
950 #define __acpi_handle_debug(descriptor, handle, fmt, ...)               \
951         acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
952 #endif
953 
954 /*
955  * acpi_handle_<level>: Print message with ACPI prefix and object path
956  *
957  * These interfaces acquire the global namespace mutex to obtain an object
958  * path.  In interrupt context, it shows the object path as <n/a>.
959  */
960 #define acpi_handle_emerg(handle, fmt, ...)                             \
961         acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
962 #define acpi_handle_alert(handle, fmt, ...)                             \
963         acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
964 #define acpi_handle_crit(handle, fmt, ...)                              \
965         acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
966 #define acpi_handle_err(handle, fmt, ...)                               \
967         acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
968 #define acpi_handle_warn(handle, fmt, ...)                              \
969         acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
970 #define acpi_handle_notice(handle, fmt, ...)                            \
971         acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
972 #define acpi_handle_info(handle, fmt, ...)                              \
973         acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
974 
975 #if defined(DEBUG)
976 #define acpi_handle_debug(handle, fmt, ...)                             \
977         acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
978 #else
979 #if defined(CONFIG_DYNAMIC_DEBUG)
980 #define acpi_handle_debug(handle, fmt, ...)                             \
981 do {                                                                    \
982         DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);                 \
983         if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT))          \
984                 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt),   \
985                                 ##__VA_ARGS__);                         \
986 } while (0)
987 #else
988 #define acpi_handle_debug(handle, fmt, ...)                             \
989 ({                                                                      \
990         if (0)                                                          \
991                 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
992         0;                                                              \
993 })
994 #endif
995 #endif
996 
997 struct acpi_gpio_params {
998         unsigned int crs_entry_index;
999         unsigned int line_index;
1000         bool active_low;
1001 };
1002 
1003 struct acpi_gpio_mapping {
1004         const char *name;
1005         const struct acpi_gpio_params *data;
1006         unsigned int size;
1007 
1008 /* Ignore IoRestriction field */
1009 #define ACPI_GPIO_QUIRK_NO_IO_RESTRICTION       BIT(0)
1010 
1011         unsigned int quirks;
1012 };
1013 
1014 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1015 int acpi_dev_add_driver_gpios(struct acpi_device *adev,
1016                               const struct acpi_gpio_mapping *gpios);
1017 
1018 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
1019 {
1020         if (adev)
1021                 adev->driver_gpios = NULL;
1022 }
1023 
1024 int devm_acpi_dev_add_driver_gpios(struct device *dev,
1025                                    const struct acpi_gpio_mapping *gpios);
1026 void devm_acpi_dev_remove_driver_gpios(struct device *dev);
1027 
1028 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1029                                 struct acpi_resource_gpio **agpio);
1030 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
1031 #else
1032 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
1033                               const struct acpi_gpio_mapping *gpios)
1034 {
1035         return -ENXIO;
1036 }
1037 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
1038 
1039 static inline int devm_acpi_dev_add_driver_gpios(struct device *dev,
1040                               const struct acpi_gpio_mapping *gpios)
1041 {
1042         return -ENXIO;
1043 }
1044 static inline void devm_acpi_dev_remove_driver_gpios(struct device *dev) {}
1045 
1046 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1047                                               struct acpi_resource_gpio **agpio)
1048 {
1049         return false;
1050 }
1051 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1052 {
1053         return -ENXIO;
1054 }
1055 #endif
1056 
1057 /* Device properties */
1058 
1059 #ifdef CONFIG_ACPI
1060 int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1061                           acpi_object_type type, const union acpi_object **obj);
1062 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1063                                 const char *name, size_t index, size_t num_args,
1064                                 struct fwnode_reference_args *args);
1065 
1066 static inline int acpi_node_get_property_reference(
1067                                 const struct fwnode_handle *fwnode,
1068                                 const char *name, size_t index,
1069                                 struct fwnode_reference_args *args)
1070 {
1071         return __acpi_node_get_property_reference(fwnode, name, index,
1072                 NR_FWNODE_REFERENCE_ARGS, args);
1073 }
1074 
1075 static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1076 {
1077         return !list_empty(&adev->data.properties);
1078 }
1079 
1080 struct acpi_device_properties *
1081 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1082                     const union acpi_object *properties);
1083 
1084 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1085                        void **valptr);
1086 int acpi_dev_prop_read_single(struct acpi_device *adev,
1087                               const char *propname, enum dev_prop_type proptype,
1088                               void *val);
1089 int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1090                         const char *propname, enum dev_prop_type proptype,
1091                         void *val, size_t nval);
1092 int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,
1093                        enum dev_prop_type proptype, void *val, size_t nval);
1094 
1095 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1096                                             struct fwnode_handle *child);
1097 struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode);
1098 
1099 struct acpi_probe_entry;
1100 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1101                                                  struct acpi_probe_entry *);
1102 
1103 #define ACPI_TABLE_ID_LEN       5
1104 
1105 /**
1106  * struct acpi_probe_entry - boot-time probing entry
1107  * @id:                 ACPI table name
1108  * @type:               Optional subtable type to match
1109  *                      (if @id contains subtables)
1110  * @subtable_valid:     Optional callback to check the validity of
1111  *                      the subtable
1112  * @probe_table:        Callback to the driver being probed when table
1113  *                      match is successful
1114  * @probe_subtbl:       Callback to the driver being probed when table and
1115  *                      subtable match (and optional callback is successful)
1116  * @driver_data:        Sideband data provided back to the driver
1117  */
1118 struct acpi_probe_entry {
1119         __u8 id[ACPI_TABLE_ID_LEN];
1120         __u8 type;
1121         acpi_probe_entry_validate_subtbl subtable_valid;
1122         union {
1123                 acpi_tbl_table_handler probe_table;
1124                 acpi_tbl_entry_handler probe_subtbl;
1125         };
1126         kernel_ulong_t driver_data;
1127 };
1128 
1129 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn)      \
1130         static const struct acpi_probe_entry __acpi_probe_##name        \
1131                 __used __section(__##table##_acpi_probe_table)          \
1132                  = {                                                    \
1133                         .id = table_id,                                 \
1134                         .type = subtable,                               \
1135                         .subtable_valid = valid,                        \
1136                         .probe_table = (acpi_tbl_table_handler)fn,      \
1137                         .driver_data = data,                            \
1138                    }
1139 
1140 #define ACPI_PROBE_TABLE(name)          __##name##_acpi_probe_table
1141 #define ACPI_PROBE_TABLE_END(name)      __##name##_acpi_probe_table_end
1142 
1143 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1144 
1145 #define acpi_probe_device_table(t)                                      \
1146         ({                                                              \
1147                 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t),     \
1148                                                ACPI_PROBE_TABLE_END(t); \
1149                 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t),         \
1150                                           (&ACPI_PROBE_TABLE_END(t) -   \
1151                                            &ACPI_PROBE_TABLE(t)));      \
1152         })
1153 #else
1154 static inline int acpi_dev_get_property(struct acpi_device *adev,
1155                                         const char *name, acpi_object_type type,
1156                                         const union acpi_object **obj)
1157 {
1158         return -ENXIO;
1159 }
1160 
1161 static inline int
1162 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1163                                 const char *name, size_t index, size_t num_args,
1164                                 struct fwnode_reference_args *args)
1165 {
1166         return -ENXIO;
1167 }
1168 
1169 static inline int
1170 acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1171                                  const char *name, size_t index,
1172                                  struct fwnode_reference_args *args)
1173 {
1174         return -ENXIO;
1175 }
1176 
1177 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1178                                      const char *propname,
1179                                      void **valptr)
1180 {
1181         return -ENXIO;
1182 }
1183 
1184 static inline int acpi_dev_prop_get(const struct acpi_device *adev,
1185                                     const char *propname,
1186                                     void **valptr)
1187 {
1188         return -ENXIO;
1189 }
1190 
1191 static inline int acpi_dev_prop_read_single(const struct acpi_device *adev,
1192                                             const char *propname,
1193                                             enum dev_prop_type proptype,
1194                                             void *val)
1195 {
1196         return -ENXIO;
1197 }
1198 
1199 static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1200                                       const char *propname,
1201                                       enum dev_prop_type proptype,
1202                                       void *val, size_t nval)
1203 {
1204         return -ENXIO;
1205 }
1206 
1207 static inline int acpi_dev_prop_read(const struct acpi_device *adev,
1208                                      const char *propname,
1209                                      enum dev_prop_type proptype,
1210                                      void *val, size_t nval)
1211 {
1212         return -ENXIO;
1213 }
1214 
1215 static inline struct fwnode_handle *
1216 acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1217                       struct fwnode_handle *child)
1218 {
1219         return NULL;
1220 }
1221 
1222 static inline struct fwnode_handle *
1223 acpi_node_get_parent(const struct fwnode_handle *fwnode)
1224 {
1225         return NULL;
1226 }
1227 
1228 static inline struct fwnode_handle *
1229 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1230                              struct fwnode_handle *prev)
1231 {
1232         return ERR_PTR(-ENXIO);
1233 }
1234 
1235 static inline int
1236 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1237                                struct fwnode_handle **remote,
1238                                struct fwnode_handle **port,
1239                                struct fwnode_handle **endpoint)
1240 {
1241         return -ENXIO;
1242 }
1243 
1244 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1245         static const void * __acpi_table_##name[]                       \
1246                 __attribute__((unused))                                 \
1247                  = { (void *) table_id,                                 \
1248                      (void *) subtable,                                 \
1249                      (void *) valid,                                    \
1250                      (void *) fn,                                       \
1251                      (void *) data }
1252 
1253 #define acpi_probe_device_table(t)      ({ int __r = 0; __r;})
1254 #endif
1255 
1256 #ifdef CONFIG_ACPI_TABLE_UPGRADE
1257 void acpi_table_upgrade(void);
1258 #else
1259 static inline void acpi_table_upgrade(void) { }
1260 #endif
1261 
1262 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1263 extern bool acpi_has_watchdog(void);
1264 #else
1265 static inline bool acpi_has_watchdog(void) { return false; }
1266 #endif
1267 
1268 #ifdef CONFIG_ACPI_SPCR_TABLE
1269 extern bool qdf2400_e44_present;
1270 int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1271 #else
1272 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1273 {
1274         return 0;
1275 }
1276 #endif
1277 
1278 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1279 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1280 #else
1281 static inline
1282 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1283 {
1284         return -EINVAL;
1285 }
1286 #endif
1287 
1288 #ifdef CONFIG_ACPI_LPIT
1289 int lpit_read_residency_count_address(u64 *address);
1290 #else
1291 static inline int lpit_read_residency_count_address(u64 *address)
1292 {
1293         return -EINVAL;
1294 }
1295 #endif
1296 
1297 #ifdef CONFIG_ACPI_PPTT
1298 int find_acpi_cpu_topology(unsigned int cpu, int level);
1299 int find_acpi_cpu_topology_package(unsigned int cpu);
1300 int find_acpi_cpu_cache_topology(unsigned int cpu, int level);
1301 #else
1302 static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1303 {
1304         return -EINVAL;
1305 }
1306 static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1307 {
1308         return -EINVAL;
1309 }
1310 static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level)
1311 {
1312         return -EINVAL;
1313 }
1314 #endif
1315 
1316 #endif  /*_LINUX_ACPI_H*/
1317 

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