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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * acpi.h - ACPI Interface
4 *
5 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
6 */
7
8#ifndef _LINUX_ACPI_H
9#define _LINUX_ACPI_H
10
11#include <linux/cleanup.h>
12#include <linux/errno.h>
13#include <linux/ioport.h> /* for struct resource */
14#include <linux/resource_ext.h>
15#include <linux/device.h>
16#include <linux/mod_devicetable.h>
17#include <linux/property.h>
18#include <linux/uuid.h>
19#include <linux/node.h>
20
21struct irq_domain;
22struct irq_domain_ops;
23
24#ifndef _LINUX
25#define _LINUX
26#endif
27#include <acpi/acpi.h>
28#include <acpi/acpi_numa.h>
29
30#ifdef CONFIG_ACPI
31
32#include <linux/list.h>
33#include <linux/dynamic_debug.h>
34#include <linux/module.h>
35#include <linux/mutex.h>
36#include <linux/fw_table.h>
37
38#include <acpi/acpi_bus.h>
39#include <acpi/acpi_drivers.h>
40#include <acpi/acpi_io.h>
41#include <asm/acpi.h>
42
43#ifdef CONFIG_ACPI_TABLE_LIB
44#define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, "ACPI")
45#define __init_or_acpilib
46#define __initdata_or_acpilib
47#else
48#define EXPORT_SYMBOL_ACPI_LIB(x)
49#define __init_or_acpilib __init
50#define __initdata_or_acpilib __initdata
51#endif
52
53static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
54{
55 return adev ? adev->handle : NULL;
56}
57
58#define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
59#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
60 acpi_fwnode_handle(adev) : NULL)
61#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
62#define ACPI_HANDLE_FWNODE(fwnode) \
63 acpi_device_handle(to_acpi_device_node(fwnode))
64
65static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
66{
67 struct fwnode_handle *fwnode;
68
69 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
70 if (!fwnode)
71 return NULL;
72
73 fwnode_init(fwnode, ops: &acpi_static_fwnode_ops);
74
75 return fwnode;
76}
77
78static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
79{
80 if (WARN_ON(!is_acpi_static_node(fwnode)))
81 return;
82
83 kfree(objp: fwnode);
84}
85
86static inline bool has_acpi_companion(struct device *dev)
87{
88 return is_acpi_device_node(fwnode: dev->fwnode);
89}
90
91static inline void acpi_preset_companion(struct device *dev,
92 struct acpi_device *parent, u64 addr)
93{
94 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
95}
96
97static inline const char *acpi_dev_name(struct acpi_device *adev)
98{
99 return dev_name(dev: &adev->dev);
100}
101
102struct device *acpi_get_first_physical_node(struct acpi_device *adev);
103
104enum acpi_irq_model_id {
105 ACPI_IRQ_MODEL_PIC = 0,
106 ACPI_IRQ_MODEL_IOAPIC,
107 ACPI_IRQ_MODEL_IOSAPIC,
108 ACPI_IRQ_MODEL_PLATFORM,
109 ACPI_IRQ_MODEL_GIC,
110 ACPI_IRQ_MODEL_LPIC,
111 ACPI_IRQ_MODEL_RINTC,
112 ACPI_IRQ_MODEL_COUNT
113};
114
115extern enum acpi_irq_model_id acpi_irq_model;
116
117enum acpi_interrupt_id {
118 ACPI_INTERRUPT_PMI = 1,
119 ACPI_INTERRUPT_INIT,
120 ACPI_INTERRUPT_CPEI,
121 ACPI_INTERRUPT_COUNT
122};
123
124#define ACPI_SPACE_MEM 0
125
126enum acpi_address_range_id {
127 ACPI_ADDRESS_RANGE_MEMORY = 1,
128 ACPI_ADDRESS_RANGE_RESERVED = 2,
129 ACPI_ADDRESS_RANGE_ACPI = 3,
130 ACPI_ADDRESS_RANGE_NVS = 4,
131 ACPI_ADDRESS_RANGE_COUNT
132};
133
134
135/* Table Handlers */
136typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
137
138/* Debugger support */
139
140struct acpi_debugger_ops {
141 int (*create_thread)(acpi_osd_exec_callback function, void *context);
142 ssize_t (*write_log)(const char *msg);
143 ssize_t (*read_cmd)(char *buffer, size_t length);
144 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
145 int (*notify_command_complete)(void);
146};
147
148struct acpi_debugger {
149 const struct acpi_debugger_ops *ops;
150 struct module *owner;
151 struct mutex lock;
152};
153
154#ifdef CONFIG_ACPI_DEBUGGER
155int __init acpi_debugger_init(void);
156int acpi_register_debugger(struct module *owner,
157 const struct acpi_debugger_ops *ops);
158void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
159int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
160ssize_t acpi_debugger_write_log(const char *msg);
161ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
162int acpi_debugger_wait_command_ready(void);
163int acpi_debugger_notify_command_complete(void);
164#else
165static inline int acpi_debugger_init(void)
166{
167 return -ENODEV;
168}
169
170static inline int acpi_register_debugger(struct module *owner,
171 const struct acpi_debugger_ops *ops)
172{
173 return -ENODEV;
174}
175
176static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
177{
178}
179
180static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
181 void *context)
182{
183 return -ENODEV;
184}
185
186static inline int acpi_debugger_write_log(const char *msg)
187{
188 return -ENODEV;
189}
190
191static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
192{
193 return -ENODEV;
194}
195
196static inline int acpi_debugger_wait_command_ready(void)
197{
198 return -ENODEV;
199}
200
201static inline int acpi_debugger_notify_command_complete(void)
202{
203 return -ENODEV;
204}
205#endif
206
207#define BAD_MADT_ENTRY(entry, end) ( \
208 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
209 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
210
211void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
212void __acpi_unmap_table(void __iomem *map, unsigned long size);
213int early_acpi_boot_init(void);
214int acpi_boot_init (void);
215void acpi_boot_table_prepare (void);
216void acpi_boot_table_init (void);
217int acpi_mps_check (void);
218int acpi_numa_init (void);
219
220int acpi_locate_initial_tables (void);
221void acpi_reserve_initial_tables (void);
222void acpi_table_init_complete (void);
223int acpi_table_init (void);
224
225static inline struct acpi_table_header *acpi_get_table_pointer(char *signature, u32 instance)
226{
227 struct acpi_table_header *table;
228 int status = acpi_get_table(signature, instance, out_table: &table);
229
230 if (ACPI_FAILURE(status))
231 return ERR_PTR(error: -ENOENT);
232 return table;
233}
234DEFINE_FREE(acpi_put_table, struct acpi_table_header *, if (!IS_ERR_OR_NULL(_T)) acpi_put_table(_T))
235
236int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
237int __init_or_acpilib acpi_table_parse_entries(char *id,
238 unsigned long table_size, int entry_id,
239 acpi_tbl_entry_handler handler, unsigned int max_entries);
240int __init_or_acpilib acpi_table_parse_entries_array(char *id,
241 unsigned long table_size, struct acpi_subtable_proc *proc,
242 int proc_num, unsigned int max_entries);
243int acpi_table_parse_madt(enum acpi_madt_type id,
244 acpi_tbl_entry_handler handler,
245 unsigned int max_entries);
246int __init_or_acpilib
247acpi_table_parse_cedt(enum acpi_cedt_type id,
248 acpi_tbl_entry_handler_arg handler_arg, void *arg);
249
250int acpi_parse_mcfg (struct acpi_table_header *header);
251void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
252
253#if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH)
254void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
255#else
256static inline void
257acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
258#endif
259
260void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
261
262#if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)
263void acpi_arch_dma_setup(struct device *dev);
264#else
265static inline void acpi_arch_dma_setup(struct device *dev) { }
266#endif
267
268#ifdef CONFIG_ARM64
269void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
270#else
271static inline void
272acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
273#endif
274
275#ifdef CONFIG_RISCV
276void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa);
277#else
278static inline void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa) { }
279#endif
280
281#ifndef PHYS_CPUID_INVALID
282typedef u32 phys_cpuid_t;
283#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
284#endif
285
286static inline bool invalid_logical_cpuid(u32 cpuid)
287{
288 return (int)cpuid < 0;
289}
290
291static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
292{
293 return phys_id == PHYS_CPUID_INVALID;
294}
295
296
297int __init acpi_get_madt_revision(void);
298
299/* Validate the processor object's proc_id */
300bool acpi_duplicate_processor_id(int proc_id);
301/* Processor _CTS control */
302struct acpi_processor_power;
303
304#ifdef CONFIG_ACPI_PROCESSOR_CSTATE
305bool acpi_processor_claim_cst_control(void);
306int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
307 struct acpi_processor_power *info);
308#else
309static inline bool acpi_processor_claim_cst_control(void) { return false; }
310static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
311 struct acpi_processor_power *info)
312{
313 return -ENODEV;
314}
315#endif
316
317#ifdef CONFIG_ACPI_HOTPLUG_CPU
318/* Arch dependent functions for cpu hotplug support */
319int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
320 int *pcpu);
321int acpi_unmap_cpu(int cpu);
322#endif /* CONFIG_ACPI_HOTPLUG_CPU */
323
324acpi_handle acpi_get_processor_handle(int cpu);
325
326#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
327int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
328#endif
329
330int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
331int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
332int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
333void acpi_irq_stats_init(void);
334extern u32 acpi_irq_handled;
335extern u32 acpi_irq_not_handled;
336extern unsigned int acpi_sci_irq;
337extern bool acpi_no_s5;
338#define INVALID_ACPI_IRQ ((unsigned)-1)
339static inline bool acpi_sci_irq_valid(void)
340{
341 return acpi_sci_irq != INVALID_ACPI_IRQ;
342}
343
344extern int sbf_port;
345
346int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
347int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
348int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
349
350typedef struct fwnode_handle *(*acpi_gsi_domain_disp_fn)(u32);
351
352void acpi_set_irq_model(enum acpi_irq_model_id model,
353 acpi_gsi_domain_disp_fn fn);
354acpi_gsi_domain_disp_fn acpi_get_gsi_dispatcher(void);
355void acpi_set_gsi_to_irq_fallback(u32 (*)(u32));
356
357struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
358 unsigned int size,
359 struct fwnode_handle *fwnode,
360 const struct irq_domain_ops *ops,
361 void *host_data);
362
363#ifdef CONFIG_X86_IO_APIC
364extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
365#else
366static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
367{
368 return -1;
369}
370#endif
371/*
372 * This function undoes the effect of one call to acpi_register_gsi().
373 * If this matches the last registration, any IRQ resources for gsi
374 * are freed.
375 */
376void acpi_unregister_gsi (u32 gsi);
377
378struct pci_dev;
379
380struct acpi_prt_entry *acpi_pci_irq_lookup(struct pci_dev *dev, int pin);
381int acpi_pci_irq_enable (struct pci_dev *dev);
382void acpi_penalize_isa_irq(int irq, int active);
383bool acpi_isa_irq_available(int irq);
384#ifdef CONFIG_PCI
385void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
386#else
387static inline void acpi_penalize_sci_irq(int irq, int trigger,
388 int polarity)
389{
390}
391#endif
392void acpi_pci_irq_disable (struct pci_dev *dev);
393
394extern int ec_read(u8 addr, u8 *val);
395extern int ec_write(u8 addr, u8 val);
396extern int ec_transaction(u8 command,
397 const u8 *wdata, unsigned wdata_len,
398 u8 *rdata, unsigned rdata_len);
399extern acpi_handle ec_get_handle(void);
400
401extern bool acpi_is_pnp_device(struct acpi_device *);
402
403#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
404
405typedef void (*wmi_notify_handler) (union acpi_object *data, void *context);
406
407int wmi_instance_count(const char *guid);
408
409extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
410 u32 method_id,
411 const struct acpi_buffer *in,
412 struct acpi_buffer *out);
413extern acpi_status wmi_query_block(const char *guid, u8 instance,
414 struct acpi_buffer *out);
415extern acpi_status wmi_set_block(const char *guid, u8 instance,
416 const struct acpi_buffer *in);
417extern acpi_status wmi_install_notify_handler(const char *guid,
418 wmi_notify_handler handler, void *data);
419extern acpi_status wmi_remove_notify_handler(const char *guid);
420extern bool wmi_has_guid(const char *guid);
421extern char *wmi_get_acpi_device_uid(const char *guid);
422
423#endif /* CONFIG_ACPI_WMI */
424
425#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
426#define ACPI_VIDEO_DEVICE_POSTING 0x0002
427#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
428#define ACPI_VIDEO_BACKLIGHT 0x0008
429#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
430#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
431#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
432#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
433#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
434#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
435#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
436#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
437
438extern char acpi_video_backlight_string[];
439extern long acpi_is_video_device(acpi_handle handle);
440
441extern void acpi_osi_setup(char *str);
442extern bool acpi_osi_is_win8(void);
443
444#ifdef CONFIG_ACPI_THERMAL_LIB
445int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp);
446int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp);
447int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp);
448int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp);
449#endif
450
451#ifdef CONFIG_ACPI_HMAT
452int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord);
453#else
454static inline int acpi_get_genport_coordinates(u32 uid,
455 struct access_coordinate *coord)
456{
457 return -EOPNOTSUPP;
458}
459#endif
460
461#ifdef CONFIG_ACPI_NUMA
462int acpi_map_pxm_to_node(int pxm);
463int acpi_get_node(acpi_handle handle);
464
465/**
466 * pxm_to_online_node - Map proximity ID to online node
467 * @pxm: ACPI proximity ID
468 *
469 * This is similar to pxm_to_node(), but always returns an online
470 * node. When the mapped node from a given proximity ID is offline, it
471 * looks up the node distance table and returns the nearest online node.
472 *
473 * ACPI device drivers, which are called after the NUMA initialization has
474 * completed in the kernel, can call this interface to obtain their device
475 * NUMA topology from ACPI tables. Such drivers do not have to deal with
476 * offline nodes. A node may be offline when SRAT memory entry does not exist,
477 * or NUMA is disabled, ex. "numa=off" on x86.
478 */
479static inline int pxm_to_online_node(int pxm)
480{
481 int node = pxm_to_node(pxm);
482
483 return numa_map_to_online_node(node);
484}
485#else
486static inline int pxm_to_online_node(int pxm)
487{
488 return 0;
489}
490static inline int acpi_map_pxm_to_node(int pxm)
491{
492 return 0;
493}
494static inline int acpi_get_node(acpi_handle handle)
495{
496 return 0;
497}
498#endif
499extern int pnpacpi_disabled;
500
501#define PXM_INVAL (-1)
502
503bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
504bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
505bool acpi_dev_resource_address_space(struct acpi_resource *ares,
506 struct resource_win *win);
507bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
508 struct resource_win *win);
509unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable);
510unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
511bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
512 struct resource *res);
513
514void acpi_dev_free_resource_list(struct list_head *list);
515int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
516 int (*preproc)(struct acpi_resource *, void *),
517 void *preproc_data);
518int acpi_dev_get_dma_resources(struct acpi_device *adev,
519 struct list_head *list);
520int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list);
521int acpi_dev_filter_resource_type(struct acpi_resource *ares,
522 unsigned long types);
523
524static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
525 void *arg)
526{
527 return acpi_dev_filter_resource_type(ares, types: (unsigned long)arg);
528}
529
530struct acpi_device *acpi_resource_consumer(struct resource *res);
531
532int acpi_check_resource_conflict(const struct resource *res);
533
534int acpi_check_region(resource_size_t start, resource_size_t n,
535 const char *name);
536
537int acpi_resources_are_enforced(void);
538
539#ifdef CONFIG_HIBERNATION
540extern int acpi_check_s4_hw_signature;
541#endif
542
543#ifdef CONFIG_PM_SLEEP
544void __init acpi_old_suspend_ordering(void);
545void __init acpi_nvs_nosave(void);
546void __init acpi_nvs_nosave_s3(void);
547void __init acpi_sleep_no_blacklist(void);
548#endif /* CONFIG_PM_SLEEP */
549
550int acpi_register_wakeup_handler(
551 int wake_irq, bool (*wakeup)(void *context), void *context);
552void acpi_unregister_wakeup_handler(
553 bool (*wakeup)(void *context), void *context);
554
555struct acpi_osc_context {
556 char *uuid_str; /* UUID string */
557 int rev;
558 struct acpi_buffer cap; /* list of DWORD capabilities */
559 struct acpi_buffer ret; /* free by caller if success */
560};
561
562acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
563
564/* Number of _OSC capability DWORDS depends on bridge type */
565#define OSC_PCI_CAPABILITY_DWORDS 3
566#define OSC_CXL_CAPABILITY_DWORDS 5
567
568/* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */
569#define OSC_QUERY_DWORD 0 /* DWORD 1 */
570#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
571#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
572#define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */
573#define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */
574
575/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
576#define OSC_QUERY_ENABLE 0x00000001 /* input */
577#define OSC_REQUEST_ERROR 0x00000002 /* return */
578#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
579#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
580#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
581
582/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
583#define OSC_SB_PAD_SUPPORT 0x00000001
584#define OSC_SB_PPC_OST_SUPPORT 0x00000002
585#define OSC_SB_PR3_SUPPORT 0x00000004
586#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
587#define OSC_SB_APEI_SUPPORT 0x00000010
588#define OSC_SB_CPC_SUPPORT 0x00000020
589#define OSC_SB_CPCV2_SUPPORT 0x00000040
590#define OSC_SB_PCLPI_SUPPORT 0x00000080
591#define OSC_SB_OSLPI_SUPPORT 0x00000100
592#define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200
593#define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400
594#define OSC_SB_GED_SUPPORT 0x00000800
595#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
596#define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT 0x00002000
597#define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000
598#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00020000
599#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
600#define OSC_SB_BATTERY_CHARGE_LIMITING_SUPPORT 0x00080000
601#define OSC_SB_PRM_SUPPORT 0x00200000
602#define OSC_SB_FFH_OPR_SUPPORT 0x00400000
603
604extern bool osc_sb_apei_support_acked;
605extern bool osc_pc_lpi_support_confirmed;
606extern bool osc_sb_native_usb4_support_confirmed;
607extern bool osc_sb_cppc2_support_acked;
608extern bool osc_cpc_flexible_adr_space_confirmed;
609
610/* USB4 Capabilities */
611#define OSC_USB_USB3_TUNNELING 0x00000001
612#define OSC_USB_DP_TUNNELING 0x00000002
613#define OSC_USB_PCIE_TUNNELING 0x00000004
614#define OSC_USB_XDOMAIN 0x00000008
615
616extern u32 osc_sb_native_usb4_control;
617
618/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
619#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
620#define OSC_PCI_ASPM_SUPPORT 0x00000002
621#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
622#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
623#define OSC_PCI_MSI_SUPPORT 0x00000010
624#define OSC_PCI_EDR_SUPPORT 0x00000080
625#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
626
627/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
628#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
629#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
630#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
631#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
632#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
633#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
634#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
635
636/* CXL _OSC: Capabilities DWORD 4: Support Field */
637#define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001
638#define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002
639#define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004
640#define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008
641
642/* CXL _OSC: Capabilities DWORD 5: Control Field */
643#define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001
644
645static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
646{
647 u32 *ret = context->ret.pointer;
648
649 return ret[OSC_CONTROL_DWORD];
650}
651
652static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
653{
654 u32 *ret = context->ret.pointer;
655
656 return ret[OSC_EXT_CONTROL_DWORD];
657}
658
659#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
660#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
661#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
662#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
663#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
664#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
665#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
666#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
667#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
668#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
669
670/* Enable _OST when all relevant hotplug operations are enabled */
671#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
672 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
673 defined(CONFIG_ACPI_CONTAINER)
674#define ACPI_HOTPLUG_OST
675#endif
676
677/* _OST Source Event Code (OSPM Action) */
678#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
679#define ACPI_OST_EC_OSPM_EJECT 0x103
680#define ACPI_OST_EC_OSPM_INSERTION 0x200
681
682/* _OST General Processing Status Code */
683#define ACPI_OST_SC_SUCCESS 0x0
684#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
685#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
686
687/* _OST OS Shutdown Processing (0x100) Status Code */
688#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
689#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
690#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
691#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
692
693/* _OST Ejection Request (0x3, 0x103) Status Code */
694#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
695#define ACPI_OST_SC_DEVICE_IN_USE 0x81
696#define ACPI_OST_SC_DEVICE_BUSY 0x82
697#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
698#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
699
700/* _OST Insertion Request (0x200) Status Code */
701#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
702#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
703#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
704
705enum acpi_predicate {
706 all_versions,
707 less_than_or_equal,
708 equal,
709 greater_than_or_equal,
710};
711
712/* Table must be terminted by a NULL entry */
713struct acpi_platform_list {
714 char oem_id[ACPI_OEM_ID_SIZE+1];
715 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
716 u32 oem_revision;
717 char *table;
718 enum acpi_predicate pred;
719 char *reason;
720 u32 data;
721};
722int acpi_match_platform_list(const struct acpi_platform_list *plat);
723
724extern void acpi_early_init(void);
725extern void acpi_subsystem_init(void);
726
727extern int acpi_nvs_register(__u64 start, __u64 size);
728
729extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
730 void *data);
731
732const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids,
733 const struct acpi_device *adev);
734
735const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
736 const struct device *dev);
737
738const void *acpi_device_get_match_data(const struct device *dev);
739extern bool acpi_driver_match_device(struct device *dev,
740 const struct device_driver *drv);
741int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *);
742int acpi_device_modalias(struct device *, char *, int);
743
744struct platform_device *acpi_create_platform_device(struct acpi_device *,
745 const struct property_entry *);
746#define ACPI_PTR(_ptr) (_ptr)
747
748static inline void acpi_device_set_enumerated(struct acpi_device *adev)
749{
750 adev->flags.visited = true;
751}
752
753static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
754{
755 adev->flags.visited = false;
756}
757
758enum acpi_reconfig_event {
759 ACPI_RECONFIG_DEVICE_ADD = 0,
760 ACPI_RECONFIG_DEVICE_REMOVE,
761};
762
763int acpi_reconfig_notifier_register(struct notifier_block *nb);
764int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
765
766#ifdef CONFIG_ACPI_GTDT
767int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
768int acpi_gtdt_map_ppi(int type);
769bool acpi_gtdt_c3stop(int type);
770#endif
771
772#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
773static __always_inline void acpi_arch_set_root_pointer(u64 addr)
774{
775}
776#endif
777
778#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
779static __always_inline u64 acpi_arch_get_root_pointer(void)
780{
781 return 0;
782}
783#endif
784
785int acpi_get_local_u64_address(acpi_handle handle, u64 *addr);
786int acpi_get_local_address(acpi_handle handle, u32 *addr);
787const char *acpi_get_subsystem_id(acpi_handle handle);
788
789#ifdef CONFIG_ACPI_MRRM
790int acpi_mrrm_max_mem_region(void);
791#endif
792
793#else /* !CONFIG_ACPI */
794
795#define acpi_disabled 1
796
797#define ACPI_COMPANION(dev) (NULL)
798#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
799#define ACPI_HANDLE(dev) (NULL)
800#define ACPI_HANDLE_FWNODE(fwnode) (NULL)
801
802/* Get rid of the -Wunused-variable for adev */
803#define acpi_dev_uid_match(adev, uid2) (adev && false)
804#define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false)
805
806struct fwnode_handle;
807
808static inline bool acpi_dev_found(const char *hid)
809{
810 return false;
811}
812
813static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
814{
815 return false;
816}
817
818struct acpi_device;
819
820static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer)
821{
822 return -ENODEV;
823}
824
825static inline struct acpi_device *
826acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
827{
828 return NULL;
829}
830
831static inline bool acpi_reduced_hardware(void)
832{
833 return false;
834}
835
836static inline void acpi_dev_put(struct acpi_device *adev) {}
837
838static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
839{
840 return false;
841}
842
843static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
844{
845 return false;
846}
847
848static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
849{
850 return NULL;
851}
852
853static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
854{
855 return false;
856}
857
858static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
859{
860 return NULL;
861}
862
863static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
864 const char *name)
865{
866 return false;
867}
868
869static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
870{
871 return NULL;
872}
873
874static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
875{
876 return NULL;
877}
878
879static inline bool has_acpi_companion(struct device *dev)
880{
881 return false;
882}
883
884static inline void acpi_preset_companion(struct device *dev,
885 struct acpi_device *parent, u64 addr)
886{
887}
888
889static inline const char *acpi_dev_name(struct acpi_device *adev)
890{
891 return NULL;
892}
893
894static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
895{
896 return NULL;
897}
898
899static inline void acpi_early_init(void) { }
900static inline void acpi_subsystem_init(void) { }
901
902static inline int early_acpi_boot_init(void)
903{
904 return 0;
905}
906static inline int acpi_boot_init(void)
907{
908 return 0;
909}
910
911static inline void acpi_boot_table_prepare(void)
912{
913}
914
915static inline void acpi_boot_table_init(void)
916{
917}
918
919static inline int acpi_mps_check(void)
920{
921 return 0;
922}
923
924static inline int acpi_check_resource_conflict(struct resource *res)
925{
926 return 0;
927}
928
929static inline int acpi_check_region(resource_size_t start, resource_size_t n,
930 const char *name)
931{
932 return 0;
933}
934
935struct acpi_table_header;
936static inline int acpi_table_parse(char *id,
937 int (*handler)(struct acpi_table_header *))
938{
939 return -ENODEV;
940}
941
942static inline int acpi_nvs_register(__u64 start, __u64 size)
943{
944 return 0;
945}
946
947static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
948 void *data)
949{
950 return 0;
951}
952
953struct acpi_device_id;
954
955static inline const struct acpi_device_id *acpi_match_acpi_device(
956 const struct acpi_device_id *ids, const struct acpi_device *adev)
957{
958 return NULL;
959}
960
961static inline const struct acpi_device_id *acpi_match_device(
962 const struct acpi_device_id *ids, const struct device *dev)
963{
964 return NULL;
965}
966
967static inline const void *acpi_device_get_match_data(const struct device *dev)
968{
969 return NULL;
970}
971
972static inline bool acpi_driver_match_device(struct device *dev,
973 const struct device_driver *drv)
974{
975 return false;
976}
977
978static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid,
979 u64 rev, u64 funcs)
980{
981 return false;
982}
983
984static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
985 const guid_t *guid,
986 u64 rev, u64 func,
987 union acpi_object *argv4)
988{
989 return NULL;
990}
991
992static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle,
993 const guid_t *guid,
994 u64 rev, u64 func,
995 union acpi_object *argv4,
996 acpi_object_type type)
997{
998 return NULL;
999}
1000
1001static inline int acpi_device_uevent_modalias(const struct device *dev,
1002 struct kobj_uevent_env *env)
1003{
1004 return -ENODEV;
1005}
1006
1007static inline int acpi_device_modalias(struct device *dev,
1008 char *buf, int size)
1009{
1010 return -ENODEV;
1011}
1012
1013static inline struct platform_device *
1014acpi_create_platform_device(struct acpi_device *adev,
1015 const struct property_entry *properties)
1016{
1017 return NULL;
1018}
1019
1020static inline bool acpi_dma_supported(const struct acpi_device *adev)
1021{
1022 return false;
1023}
1024
1025static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
1026{
1027 return DEV_DMA_NOT_SUPPORTED;
1028}
1029
1030static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map)
1031{
1032 return -ENODEV;
1033}
1034
1035static inline int acpi_dma_configure(struct device *dev,
1036 enum dev_dma_attr attr)
1037{
1038 return 0;
1039}
1040
1041static inline int acpi_dma_configure_id(struct device *dev,
1042 enum dev_dma_attr attr,
1043 const u32 *input_id)
1044{
1045 return 0;
1046}
1047
1048#define ACPI_PTR(_ptr) (NULL)
1049
1050static inline void acpi_device_set_enumerated(struct acpi_device *adev)
1051{
1052}
1053
1054static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
1055{
1056}
1057
1058static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
1059{
1060 return -EINVAL;
1061}
1062
1063static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
1064{
1065 return -EINVAL;
1066}
1067
1068static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
1069{
1070 return NULL;
1071}
1072
1073static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
1074{
1075 return -ENODEV;
1076}
1077
1078static inline const char *acpi_get_subsystem_id(acpi_handle handle)
1079{
1080 return ERR_PTR(-ENODEV);
1081}
1082
1083static inline int acpi_register_wakeup_handler(int wake_irq,
1084 bool (*wakeup)(void *context), void *context)
1085{
1086 return -ENXIO;
1087}
1088
1089static inline void acpi_unregister_wakeup_handler(
1090 bool (*wakeup)(void *context), void *context) { }
1091
1092struct acpi_osc_context;
1093static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
1094{
1095 return 0;
1096}
1097
1098static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
1099{
1100 return 0;
1101}
1102
1103static inline bool acpi_sleep_state_supported(u8 sleep_state)
1104{
1105 return false;
1106}
1107
1108static inline acpi_handle acpi_get_processor_handle(int cpu)
1109{
1110 return NULL;
1111}
1112
1113static inline int acpi_mrrm_max_mem_region(void)
1114{
1115 return 1;
1116}
1117
1118#endif /* !CONFIG_ACPI */
1119
1120#ifdef CONFIG_ACPI_HMAT
1121int hmat_get_extended_linear_cache_size(struct resource *backing_res, int nid,
1122 resource_size_t *size);
1123#else
1124static inline int hmat_get_extended_linear_cache_size(struct resource *backing_res,
1125 int nid, resource_size_t *size)
1126{
1127 return -EOPNOTSUPP;
1128}
1129#endif
1130
1131extern void arch_post_acpi_subsys_init(void);
1132
1133#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
1134int acpi_ioapic_add(acpi_handle root);
1135#else
1136static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
1137#endif
1138
1139#ifdef CONFIG_ACPI
1140void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
1141 u32 pm1a_ctrl, u32 pm1b_ctrl));
1142
1143acpi_status acpi_os_prepare_sleep(u8 sleep_state,
1144 u32 pm1a_control, u32 pm1b_control);
1145
1146void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
1147 u32 val_a, u32 val_b));
1148
1149acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
1150 u32 val_a, u32 val_b);
1151struct acpi_s2idle_dev_ops {
1152 struct list_head list_node;
1153 void (*prepare)(void);
1154 void (*check)(void);
1155 void (*restore)(void);
1156};
1157#if defined(CONFIG_SUSPEND) && defined(CONFIG_X86)
1158int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1159void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1160#else /* CONFIG_SUSPEND && CONFIG_X86 */
1161static inline int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg)
1162{
1163 return -ENODEV;
1164}
1165static inline void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg)
1166{
1167}
1168#endif /* CONFIG_SUSPEND && CONFIG_X86 */
1169void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1170#else
1171#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1172#endif
1173
1174#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1175int acpi_dev_suspend(struct device *dev, bool wakeup);
1176int acpi_dev_resume(struct device *dev);
1177int acpi_subsys_runtime_suspend(struct device *dev);
1178int acpi_subsys_runtime_resume(struct device *dev);
1179int acpi_dev_pm_attach(struct device *dev, bool power_on);
1180bool acpi_storage_d3(struct device *dev);
1181bool acpi_dev_state_d0(struct device *dev);
1182#else
1183static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
1184static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
1185static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1186{
1187 return 0;
1188}
1189static inline bool acpi_storage_d3(struct device *dev)
1190{
1191 return false;
1192}
1193static inline bool acpi_dev_state_d0(struct device *dev)
1194{
1195 return true;
1196}
1197#endif
1198
1199#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1200int acpi_subsys_prepare(struct device *dev);
1201void acpi_subsys_complete(struct device *dev);
1202int acpi_subsys_suspend_late(struct device *dev);
1203int acpi_subsys_suspend_noirq(struct device *dev);
1204int acpi_subsys_suspend(struct device *dev);
1205int acpi_subsys_freeze(struct device *dev);
1206int acpi_subsys_poweroff(struct device *dev);
1207int acpi_subsys_restore_early(struct device *dev);
1208#else
1209static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
1210static inline void acpi_subsys_complete(struct device *dev) {}
1211static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
1212static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
1213static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
1214static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
1215static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
1216static inline int acpi_subsys_restore_early(struct device *dev) { return 0; }
1217#endif
1218
1219#if defined(CONFIG_ACPI_EC) && defined(CONFIG_PM_SLEEP)
1220void acpi_ec_mark_gpe_for_wake(void);
1221void acpi_ec_set_gpe_wake_mask(u8 action);
1222#else
1223static inline void acpi_ec_mark_gpe_for_wake(void) {}
1224static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1225#endif
1226
1227#ifdef CONFIG_ACPI
1228char *acpi_handle_path(acpi_handle handle);
1229__printf(3, 4)
1230void acpi_handle_printk(const char *level, acpi_handle handle,
1231 const char *fmt, ...);
1232void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1233 acpi_status status);
1234#else /* !CONFIG_ACPI */
1235static inline __printf(3, 4) void
1236acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
1237static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1238 const char *name,
1239 acpi_status status) {}
1240#endif /* !CONFIG_ACPI */
1241
1242#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1243__printf(3, 4)
1244void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1245#endif
1246
1247/*
1248 * acpi_handle_<level>: Print message with ACPI prefix and object path
1249 *
1250 * These interfaces acquire the global namespace mutex to obtain an object
1251 * path. In interrupt context, it shows the object path as <n/a>.
1252 */
1253#define acpi_handle_emerg(handle, fmt, ...) \
1254 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1255#define acpi_handle_alert(handle, fmt, ...) \
1256 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1257#define acpi_handle_crit(handle, fmt, ...) \
1258 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1259#define acpi_handle_err(handle, fmt, ...) \
1260 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1261#define acpi_handle_warn(handle, fmt, ...) \
1262 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1263#define acpi_handle_notice(handle, fmt, ...) \
1264 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1265#define acpi_handle_info(handle, fmt, ...) \
1266 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1267
1268#if defined(DEBUG)
1269#define acpi_handle_debug(handle, fmt, ...) \
1270 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1271#else
1272#if defined(CONFIG_DYNAMIC_DEBUG)
1273#define acpi_handle_debug(handle, fmt, ...) \
1274 _dynamic_func_call(fmt, __acpi_handle_debug, \
1275 handle, pr_fmt(fmt), ##__VA_ARGS__)
1276#else
1277#define acpi_handle_debug(handle, fmt, ...) \
1278({ \
1279 if (0) \
1280 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1281 0; \
1282})
1283#endif
1284#endif
1285
1286#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1287bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1288 struct acpi_resource_gpio **agpio);
1289bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1290 struct acpi_resource_gpio **agpio);
1291int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index,
1292 bool *wake_capable);
1293#else
1294static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1295 struct acpi_resource_gpio **agpio)
1296{
1297 return false;
1298}
1299static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1300 struct acpi_resource_gpio **agpio)
1301{
1302 return false;
1303}
1304static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id,
1305 int index, bool *wake_capable)
1306{
1307 return -ENXIO;
1308}
1309#endif
1310
1311static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index,
1312 bool *wake_capable)
1313{
1314 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable);
1315}
1316
1317static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id,
1318 int index)
1319{
1320 return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL);
1321}
1322
1323static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1324{
1325 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL);
1326}
1327
1328/* Device properties */
1329
1330#ifdef CONFIG_ACPI
1331int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1332 acpi_object_type type, const union acpi_object **obj);
1333int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1334 const char *name, size_t index, size_t num_args,
1335 struct fwnode_reference_args *args);
1336
1337static inline int acpi_node_get_property_reference(
1338 const struct fwnode_handle *fwnode,
1339 const char *name, size_t index,
1340 struct fwnode_reference_args *args)
1341{
1342 return __acpi_node_get_property_reference(fwnode, name, index,
1343 NR_FWNODE_REFERENCE_ARGS, args);
1344}
1345
1346static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1347{
1348 return !list_empty(head: &adev->data.properties);
1349}
1350
1351struct acpi_device_properties *
1352acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1353 union acpi_object *properties);
1354
1355int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1356 void **valptr);
1357
1358struct acpi_probe_entry;
1359typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1360 struct acpi_probe_entry *);
1361
1362#define ACPI_TABLE_ID_LEN 5
1363
1364/**
1365 * struct acpi_probe_entry - boot-time probing entry
1366 * @id: ACPI table name
1367 * @type: Optional subtable type to match
1368 * (if @id contains subtables)
1369 * @subtable_valid: Optional callback to check the validity of
1370 * the subtable
1371 * @probe_table: Callback to the driver being probed when table
1372 * match is successful
1373 * @probe_subtbl: Callback to the driver being probed when table and
1374 * subtable match (and optional callback is successful)
1375 * @driver_data: Sideband data provided back to the driver
1376 */
1377struct acpi_probe_entry {
1378 __u8 id[ACPI_TABLE_ID_LEN];
1379 __u8 type;
1380 acpi_probe_entry_validate_subtbl subtable_valid;
1381 union {
1382 acpi_tbl_table_handler probe_table;
1383 acpi_tbl_entry_handler probe_subtbl;
1384 };
1385 kernel_ulong_t driver_data;
1386};
1387
1388void arch_sort_irqchip_probe(struct acpi_probe_entry *ap_head, int nr);
1389
1390#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1391 valid, data, fn) \
1392 static const struct acpi_probe_entry __acpi_probe_##name \
1393 __used __section("__" #table "_acpi_probe_table") = { \
1394 .id = table_id, \
1395 .type = subtable, \
1396 .subtable_valid = valid, \
1397 .probe_table = fn, \
1398 .driver_data = data, \
1399 }
1400
1401#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1402 subtable, valid, data, fn) \
1403 static const struct acpi_probe_entry __acpi_probe_##name \
1404 __used __section("__" #table "_acpi_probe_table") = { \
1405 .id = table_id, \
1406 .type = subtable, \
1407 .subtable_valid = valid, \
1408 .probe_subtbl = fn, \
1409 .driver_data = data, \
1410 }
1411
1412#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1413#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1414
1415int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1416
1417#define acpi_probe_device_table(t) \
1418 ({ \
1419 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1420 ACPI_PROBE_TABLE_END(t); \
1421 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1422 (&ACPI_PROBE_TABLE_END(t) - \
1423 &ACPI_PROBE_TABLE(t))); \
1424 })
1425#else
1426static inline int acpi_dev_get_property(struct acpi_device *adev,
1427 const char *name, acpi_object_type type,
1428 const union acpi_object **obj)
1429{
1430 return -ENXIO;
1431}
1432
1433static inline int
1434__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1435 const char *name, size_t index, size_t num_args,
1436 struct fwnode_reference_args *args)
1437{
1438 return -ENXIO;
1439}
1440
1441static inline int
1442acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1443 const char *name, size_t index,
1444 struct fwnode_reference_args *args)
1445{
1446 return -ENXIO;
1447}
1448
1449static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1450 const char *propname,
1451 void **valptr)
1452{
1453 return -ENXIO;
1454}
1455
1456static inline struct fwnode_handle *
1457acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1458 struct fwnode_handle *prev)
1459{
1460 return ERR_PTR(-ENXIO);
1461}
1462
1463static inline int
1464acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1465 struct fwnode_handle **remote,
1466 struct fwnode_handle **port,
1467 struct fwnode_handle **endpoint)
1468{
1469 return -ENXIO;
1470}
1471
1472#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1473 static const void * __acpi_table_##name[] \
1474 __attribute__((unused)) \
1475 = { (void *) table_id, \
1476 (void *) subtable, \
1477 (void *) valid, \
1478 (void *) fn, \
1479 (void *) data }
1480
1481#define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1482#endif
1483
1484#ifdef CONFIG_ACPI_TABLE_UPGRADE
1485void acpi_table_upgrade(void);
1486#else
1487static inline void acpi_table_upgrade(void) { }
1488#endif
1489
1490#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1491extern bool acpi_has_watchdog(void);
1492#else
1493static inline bool acpi_has_watchdog(void) { return false; }
1494#endif
1495
1496#ifdef CONFIG_ACPI_SPCR_TABLE
1497extern bool qdf2400_e44_present;
1498int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1499#else
1500static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1501{
1502 return -ENODEV;
1503}
1504#endif
1505
1506#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1507int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1508const struct cpumask *acpi_irq_get_affinity(acpi_handle handle,
1509 unsigned int index);
1510#else
1511static inline
1512int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1513{
1514 return -EINVAL;
1515}
1516static inline const struct cpumask *acpi_irq_get_affinity(acpi_handle handle,
1517 unsigned int index)
1518{
1519 return NULL;
1520}
1521#endif
1522
1523#ifdef CONFIG_ACPI_LPIT
1524int lpit_read_residency_count_address(u64 *address);
1525#else
1526static inline int lpit_read_residency_count_address(u64 *address)
1527{
1528 return -EINVAL;
1529}
1530#endif
1531
1532#ifdef CONFIG_ACPI_PROCESSOR_IDLE
1533#ifndef arch_get_idle_state_flags
1534static inline unsigned int arch_get_idle_state_flags(u32 arch_flags)
1535{
1536 return 0;
1537}
1538#endif
1539#endif /* CONFIG_ACPI_PROCESSOR_IDLE */
1540
1541#ifdef CONFIG_ACPI_PPTT
1542int acpi_pptt_cpu_is_thread(unsigned int cpu);
1543int find_acpi_cpu_topology(unsigned int cpu, int level);
1544int find_acpi_cpu_topology_cluster(unsigned int cpu);
1545int find_acpi_cpu_topology_package(unsigned int cpu);
1546int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1547void acpi_pptt_get_cpus_from_container(u32 acpi_cpu_id, cpumask_t *cpus);
1548int find_acpi_cache_level_from_id(u32 cache_id);
1549int acpi_pptt_get_cpumask_from_cache_id(u32 cache_id, cpumask_t *cpus);
1550#else
1551static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1552{
1553 return -EINVAL;
1554}
1555static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1556{
1557 return -EINVAL;
1558}
1559static inline int find_acpi_cpu_topology_cluster(unsigned int cpu)
1560{
1561 return -EINVAL;
1562}
1563static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1564{
1565 return -EINVAL;
1566}
1567static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1568{
1569 return -EINVAL;
1570}
1571static inline void acpi_pptt_get_cpus_from_container(u32 acpi_cpu_id,
1572 cpumask_t *cpus) { }
1573static inline int find_acpi_cache_level_from_id(u32 cache_id)
1574{
1575 return -ENOENT;
1576}
1577static inline int acpi_pptt_get_cpumask_from_cache_id(u32 cache_id,
1578 cpumask_t *cpus)
1579{
1580 return -ENOENT;
1581}
1582#endif
1583
1584void acpi_arch_init(void);
1585
1586#ifdef CONFIG_ACPI_PCC
1587void acpi_init_pcc(void);
1588#else
1589static inline void acpi_init_pcc(void) { }
1590#endif
1591
1592#ifdef CONFIG_ACPI_FFH
1593void acpi_init_ffh(void);
1594extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt,
1595 void **region_ctxt);
1596extern int acpi_ffh_address_space_arch_handler(acpi_integer *value,
1597 void *region_context);
1598#else
1599static inline void acpi_init_ffh(void) { }
1600#endif
1601
1602#ifdef CONFIG_ACPI
1603extern void acpi_device_notify(struct device *dev);
1604extern void acpi_device_notify_remove(struct device *dev);
1605#else
1606static inline void acpi_device_notify(struct device *dev) { }
1607static inline void acpi_device_notify_remove(struct device *dev) { }
1608#endif
1609
1610static inline void acpi_use_parent_companion(struct device *dev)
1611{
1612 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent));
1613}
1614
1615#ifdef CONFIG_ACPI_NUMA
1616bool acpi_node_backed_by_real_pxm(int nid);
1617#else
1618static inline bool acpi_node_backed_by_real_pxm(int nid)
1619{
1620 return false;
1621}
1622#endif
1623
1624#endif /*_LINUX_ACPI_H*/
1625

source code of linux/include/linux/acpi.h